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Commit 6d8c2ba1 authored by Palash Bandyopadhyay's avatar Palash Bandyopadhyay Committed by Mauro Carvalho Chehab
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V4L/DVB: cx25821: Removed duplicate code and cleaned up 

Signed-off-by: default avatarPalash Bandyopadhyay <Palash.Bandyopadhyay@conexant.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent fab81259
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Showing with 1047 additions and 5504 deletions
drivers/staging/cx25821/Makefile
View file @ 6d8c2ba1
cx25821-objs := cx25821-core.o cx25821-cards.o cx25821-i2c.o cx25821-gpio.o \ cx25821-objs := cx25821-core.o cx25821-cards.o cx25821-i2c.o \
cx25821-medusa-video.o cx25821-video.o cx25821-video0.o cx25821-video1.o \ cx25821-gpio.o cx25821-medusa-video.o \
cx25821-video2.o cx25821-video3.o cx25821-video4.o cx25821-video5.o \ cx25821-video.o cx25821-video-upstream.o \
cx25821-video6.o cx25821-video7.o cx25821-vidups9.o cx25821-vidups10.o \ cx25821-video-upstream-ch2.o \
cx25821-audups11.o cx25821-video-upstream.o cx25821-video-upstream-ch2.o \ cx25821-audio-upstream.o
cx25821-audio-upstream.o cx25821-videoioctl.o
obj-$(CONFIG_VIDEO_CX25821) += cx25821.o obj-$(CONFIG_VIDEO_CX25821) += cx25821.o
obj-$(CONFIG_VIDEO_CX25821_ALSA) += cx25821-alsa.o obj-$(CONFIG_VIDEO_CX25821_ALSA) += cx25821-alsa.o
......
drivers/staging/cx25821/cx25821-audio-upstream.c
View file @ 6d8c2ba1
...@@ -106,7 +106,7 @@ static __le32 *cx25821_risc_field_upstream_audio(struct cx25821_dev *dev, ...@@ -106,7 +106,7 @@ static __le32 *cx25821_risc_field_upstream_audio(struct cx25821_dev *dev,
{ {
unsigned int line; unsigned int line;
struct sram_channel *sram_ch = struct sram_channel *sram_ch =
&dev->sram_channels[dev->_audio_upstream_channel_select]; dev->channels[dev->_audio_upstream_channel_select].sram_channels;
int offset = 0; int offset = 0;
/* scan lines */ /* scan lines */
...@@ -217,7 +217,7 @@ void cx25821_free_memory_audio(struct cx25821_dev *dev) ...@@ -217,7 +217,7 @@ void cx25821_free_memory_audio(struct cx25821_dev *dev)
void cx25821_stop_upstream_audio(struct cx25821_dev *dev) void cx25821_stop_upstream_audio(struct cx25821_dev *dev)
{ {
struct sram_channel *sram_ch = struct sram_channel *sram_ch =
&dev->sram_channels[AUDIO_UPSTREAM_SRAM_CHANNEL_B]; dev->channels[AUDIO_UPSTREAM_SRAM_CHANNEL_B].sram_channels;
u32 tmp = 0; u32 tmp = 0;
if (!dev->_audio_is_running) { if (!dev->_audio_is_running) {
...@@ -353,8 +353,9 @@ static void cx25821_audioups_handler(struct work_struct *work) ...@@ -353,8 +353,9 @@ static void cx25821_audioups_handler(struct work_struct *work)
} }
cx25821_get_audio_data(dev, cx25821_get_audio_data(dev,
&dev->sram_channels[dev-> dev->channels[dev->
_audio_upstream_channel_select]); _audio_upstream_channel_select].
sram_channels);
} }
int cx25821_openfile_audio(struct cx25821_dev *dev, int cx25821_openfile_audio(struct cx25821_dev *dev,
...@@ -505,7 +506,7 @@ int cx25821_audio_upstream_irq(struct cx25821_dev *dev, int chan_num, ...@@ -505,7 +506,7 @@ int cx25821_audio_upstream_irq(struct cx25821_dev *dev, int chan_num,
{ {
int i = 0; int i = 0;
u32 int_msk_tmp; u32 int_msk_tmp;
struct sram_channel *channel = &dev->sram_channels[chan_num]; struct sram_channel *channel = dev->channels[chan_num].sram_channels;
dma_addr_t risc_phys_jump_addr; dma_addr_t risc_phys_jump_addr;
__le32 *rp; __le32 *rp;
...@@ -607,7 +608,8 @@ static irqreturn_t cx25821_upstream_irq_audio(int irq, void *dev_id) ...@@ -607,7 +608,8 @@ static irqreturn_t cx25821_upstream_irq_audio(int irq, void *dev_id)
if (!dev) if (!dev)
return -1; return -1;
sram_ch = &dev->sram_channels[dev->_audio_upstream_channel_select]; sram_ch = dev->channels[dev->_audio_upstream_channel_select].
sram_channels;
msk_stat = cx_read(sram_ch->int_mstat); msk_stat = cx_read(sram_ch->int_mstat);
audio_status = cx_read(sram_ch->int_stat); audio_status = cx_read(sram_ch->int_stat);
...@@ -731,7 +733,7 @@ int cx25821_audio_upstream_init(struct cx25821_dev *dev, int channel_select) ...@@ -731,7 +733,7 @@ int cx25821_audio_upstream_init(struct cx25821_dev *dev, int channel_select)
} }
dev->_audio_upstream_channel_select = channel_select; dev->_audio_upstream_channel_select = channel_select;
sram_ch = &dev->sram_channels[channel_select]; sram_ch = dev->channels[channel_select].sram_channels;
/* Work queue */ /* Work queue */
INIT_WORK(&dev->_audio_work_entry, cx25821_audioups_handler); INIT_WORK(&dev->_audio_work_entry, cx25821_audioups_handler);
......
drivers/staging/cx25821/cx25821-audio.h
View file @ 6d8c2ba1
...@@ -27,24 +27,25 @@ ...@@ -27,24 +27,25 @@
#define LINES_PER_BUFFER 15 #define LINES_PER_BUFFER 15
#define AUDIO_LINE_SIZE 128 #define AUDIO_LINE_SIZE 128
//Number of buffer programs to use at once. /* Number of buffer programs to use at once. */
#define NUMBER_OF_PROGRAMS 8 #define NUMBER_OF_PROGRAMS 8
//Max size of the RISC program for a buffer. - worst case is 2 writes per line /*
// Space is also added for the 4 no-op instructions added on the end. Max size of the RISC program for a buffer. - worst case is 2 writes per line
Space is also added for the 4 no-op instructions added on the end.
*/
#ifndef USE_RISC_NOOP #ifndef USE_RISC_NOOP
#define MAX_BUFFER_PROGRAM_SIZE \ #define MAX_BUFFER_PROGRAM_SIZE \
(2*LINES_PER_BUFFER*RISC_WRITE_INSTRUCTION_SIZE + RISC_WRITECR_INSTRUCTION_SIZE*4) (2*LINES_PER_BUFFER*RISC_WRITE_INSTRUCTION_SIZE + RISC_WRITECR_INSTRUCTION_SIZE*4)
#endif #endif
// MAE 12 July 2005 Try to use NOOP RISC instruction instead /* MAE 12 July 2005 Try to use NOOP RISC instruction instead */
#ifdef USE_RISC_NOOP #ifdef USE_RISC_NOOP
#define MAX_BUFFER_PROGRAM_SIZE \ #define MAX_BUFFER_PROGRAM_SIZE \
(2*LINES_PER_BUFFER*RISC_WRITE_INSTRUCTION_SIZE + RISC_NOOP_INSTRUCTION_SIZE*4) (2*LINES_PER_BUFFER*RISC_WRITE_INSTRUCTION_SIZE + RISC_NOOP_INSTRUCTION_SIZE*4)
#endif #endif
//Sizes of various instructions in bytes. Used when adding instructions. /* Sizes of various instructions in bytes. Used when adding instructions. */
#define RISC_WRITE_INSTRUCTION_SIZE 12 #define RISC_WRITE_INSTRUCTION_SIZE 12
#define RISC_JUMP_INSTRUCTION_SIZE 12 #define RISC_JUMP_INSTRUCTION_SIZE 12
#define RISC_SKIP_INSTRUCTION_SIZE 4 #define RISC_SKIP_INSTRUCTION_SIZE 4
......
drivers/staging/cx25821/cx25821-audups11.c deleted 100644 → 0
View file @ fab81259
/*
* Driver for the Conexant CX25821 PCIe bridge
*
* Copyright (C) 2009 Conexant Systems Inc.
* Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
* Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
*
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/slab.h>
#include "cx25821-video.h"
static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
{
struct cx25821_buffer *buf =
container_of(vb, struct cx25821_buffer, vb);
struct cx25821_buffer *prev;
struct cx25821_fh *fh = vq->priv_data;
struct cx25821_dev *dev = fh->dev;
struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH11];
/* add jump to stopper */
buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
if (!list_empty(&q->queued)) {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf,
buf->vb.i);
} else if (list_empty(&q->active)) {
list_add_tail(&buf->vb.queue, &q->active);
cx25821_start_video_dma(dev, q, buf,
&dev->sram_channels[SRAM_CH11]);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
dprintk(2,
"[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
buf, buf->vb.i, buf->count, q->count);
} else {
prev =
list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
if (prev->vb.width == buf->vb.width
&& prev->vb.height == buf->vb.height
&& prev->fmt == buf->fmt) {
list_add_tail(&buf->vb.queue, &q->active);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
/* 64 bit bits 63-32 */
prev->risc.jmp[2] = cpu_to_le32(0);
dprintk(2,
"[%p/%d] buffer_queue - append to active, buf->count=%d\n",
buf, buf->vb.i, buf->count);
} else {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf,
buf->vb.i);
}
}
if (list_empty(&q->active)) {
dprintk(2, "active queue empty!\n");
}
}
static struct videobuf_queue_ops cx25821_video_qops = {
.buf_setup = cx25821_buffer_setup,
.buf_prepare = cx25821_buffer_prepare,
.buf_queue = buffer_queue,
.buf_release = cx25821_buffer_release,
};
static int video_open(struct file *file)
{
struct video_device *vdev = video_devdata(file);
struct cx25821_dev *dev = video_drvdata(file);
struct cx25821_fh *fh;
enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
printk("open dev=%s type=%s\n", video_device_node_name(vdev),
v4l2_type_names[type]);
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
if (NULL == fh)
return -ENOMEM;
lock_kernel();
file->private_data = fh;
fh->dev = dev;
fh->type = type;
fh->width = 720;
if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
fh->height = 576;
else
fh->height = 480;
dev->channel_opened = 10;
fh->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV);
v4l2_prio_open(&dev->prio, &fh->prio);
videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
&dev->pci->dev, &dev->slock,
V4L2_BUF_TYPE_VIDEO_CAPTURE,
V4L2_FIELD_INTERLACED,
sizeof(struct cx25821_buffer), fh);
dprintk(1, "post videobuf_queue_init()\n");
unlock_kernel();
return 0;
}
static ssize_t video_read(struct file *file, char __user * data, size_t count,
loff_t * ppos)
{
struct cx25821_fh *fh = file->private_data;
switch (fh->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
if (cx25821_res_locked(fh->dev, RESOURCE_VIDEO11))
return -EBUSY;
return videobuf_read_one(&fh->vidq, data, count, ppos,
file->f_flags & O_NONBLOCK);
default:
BUG();
return 0;
}
}
static unsigned int video_poll(struct file *file,
struct poll_table_struct *wait)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_buffer *buf;
if (cx25821_res_check(fh, RESOURCE_VIDEO11)) {
/* streaming capture */
if (list_empty(&fh->vidq.stream))
return POLLERR;
buf = list_entry(fh->vidq.stream.next,
struct cx25821_buffer, vb.stream);
} else {
/* read() capture */
buf = (struct cx25821_buffer *)fh->vidq.read_buf;
if (NULL == buf)
return POLLERR;
}
poll_wait(file, &buf->vb.done, wait);
if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR)
return POLLIN | POLLRDNORM;
return 0;
}
static int video_release(struct file *file)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_dev *dev = fh->dev;
//stop the risc engine and fifo
//cx_write(channel11->dma_ctl, 0);
/* stop video capture */
if (cx25821_res_check(fh, RESOURCE_VIDEO11)) {
videobuf_queue_cancel(&fh->vidq);
cx25821_res_free(dev, fh, RESOURCE_VIDEO11);
}
if (fh->vidq.read_buf) {
cx25821_buffer_release(&fh->vidq, fh->vidq.read_buf);
kfree(fh->vidq.read_buf);
}
videobuf_mmap_free(&fh->vidq);
v4l2_prio_close(&dev->prio, fh->prio);
file->private_data = NULL;
kfree(fh);
return 0;
}
static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) {
return -EINVAL;
}
if (unlikely(i != fh->type)) {
return -EINVAL;
}
if (unlikely(!cx25821_res_get(dev, fh, cx25821_get_resource(fh, RESOURCE_VIDEO11)))) {
return -EBUSY;
}
return videobuf_streamon(get_queue(fh));
}
static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
int err, res;
if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
if (i != fh->type)
return -EINVAL;
res = cx25821_get_resource(fh, RESOURCE_VIDEO11);
err = videobuf_streamoff(get_queue(fh));
if (err < 0)
return err;
cx25821_res_free(dev, fh, res);
return 0;
}
static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
dprintk(2, "%s()\n", __func__);
err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
if (0 != err)
return err;
fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
fh->width = f->fmt.pix.width;
fh->height = f->fmt.pix.height;
fh->vidq.field = f->fmt.pix.field;
dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width,
fh->height, fh->vidq.field);
cx25821_call_all(dev, video, s_fmt, f);
return 0;
}
static long video_ioctl_upstream11(struct file *file, unsigned int cmd,
unsigned long arg)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_dev *dev = fh->dev;
int command = 0;
struct upstream_user_struct *data_from_user;
data_from_user = (struct upstream_user_struct *)arg;
if (!data_from_user) {
printk
("cx25821 in %s(): Upstream data is INVALID. Returning.\n",
__func__);
return 0;
}
command = data_from_user->command;
if (command != UPSTREAM_START_AUDIO && command != UPSTREAM_STOP_AUDIO) {
return 0;
}
dev->input_filename = data_from_user->input_filename;
dev->input_audiofilename = data_from_user->input_filename;
dev->vid_stdname = data_from_user->vid_stdname;
dev->pixel_format = data_from_user->pixel_format;
dev->channel_select = data_from_user->channel_select;
dev->command = data_from_user->command;
switch (command) {
case UPSTREAM_START_AUDIO:
cx25821_start_upstream_audio(dev, data_from_user);
break;
case UPSTREAM_STOP_AUDIO:
cx25821_stop_upstream_audio(dev);
break;
}
return 0;
}
static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
{
struct cx25821_fh *fh = priv;
return videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
}
static int vidioc_log_status(struct file *file, void *priv)
{
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
char name[32 + 2];
snprintf(name, sizeof(name), "%s/2", dev->name);
printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n",
dev->name);
cx25821_call_all(dev, core, log_status);
printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n",
dev->name);
return 0;
}
static int vidioc_s_ctrl(struct file *file, void *priv,
struct v4l2_control *ctl)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev;
int err;
if (fh) {
dev = fh->dev;
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
return 0;
}
// exported stuff
static const struct v4l2_file_operations video_fops = {
.owner = THIS_MODULE,
.open = video_open,
.release = video_release,
.read = video_read,
.poll = video_poll,
.mmap = cx25821_video_mmap,
.ioctl = video_ioctl_upstream11,
};
static const struct v4l2_ioctl_ops video_ioctl_ops = {
.vidioc_querycap = cx25821_vidioc_querycap,
.vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap,
.vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap,
.vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
.vidioc_reqbufs = cx25821_vidioc_reqbufs,
.vidioc_querybuf = cx25821_vidioc_querybuf,
.vidioc_qbuf = cx25821_vidioc_qbuf,
.vidioc_dqbuf = vidioc_dqbuf,
#ifdef TUNER_FLAG
.vidioc_s_std = cx25821_vidioc_s_std,
.vidioc_querystd = cx25821_vidioc_querystd,
#endif
.vidioc_cropcap = cx25821_vidioc_cropcap,
.vidioc_s_crop = cx25821_vidioc_s_crop,
.vidioc_g_crop = cx25821_vidioc_g_crop,
.vidioc_enum_input = cx25821_vidioc_enum_input,
.vidioc_g_input = cx25821_vidioc_g_input,
.vidioc_s_input = cx25821_vidioc_s_input,
.vidioc_g_ctrl = cx25821_vidioc_g_ctrl,
.vidioc_s_ctrl = vidioc_s_ctrl,
.vidioc_queryctrl = cx25821_vidioc_queryctrl,
.vidioc_streamon = vidioc_streamon,
.vidioc_streamoff = vidioc_streamoff,
.vidioc_log_status = vidioc_log_status,
.vidioc_g_priority = cx25821_vidioc_g_priority,
.vidioc_s_priority = cx25821_vidioc_s_priority,
#ifdef CONFIG_VIDEO_V4L1_COMPAT
.vidiocgmbuf = cx25821_vidiocgmbuf,
#endif
#ifdef TUNER_FLAG
.vidioc_g_tuner = cx25821_vidioc_g_tuner,
.vidioc_s_tuner = cx25821_vidioc_s_tuner,
.vidioc_g_frequency = cx25821_vidioc_g_frequency,
.vidioc_s_frequency = cx25821_vidioc_s_frequency,
#endif
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_register = cx25821_vidioc_g_register,
.vidioc_s_register = cx25821_vidioc_s_register,
#endif
};
struct video_device cx25821_video_template11 = {
.name = "cx25821-audioupstream",
.fops = &video_fops,
.ioctl_ops = &video_ioctl_ops,
.tvnorms = CX25821_NORMS,
.current_norm = V4L2_STD_NTSC_M,
};
drivers/staging/cx25821/cx25821-core.c
View file @ 6d8c2ba1
...@@ -781,14 +781,14 @@ static void cx25821_shutdown(struct cx25821_dev *dev) ...@@ -781,14 +781,14 @@ static void cx25821_shutdown(struct cx25821_dev *dev)
/* Disable Video A/B activity */ /* Disable Video A/B activity */
for (i = 0; i < VID_CHANNEL_NUM; i++) { for (i = 0; i < VID_CHANNEL_NUM; i++) {
cx_write(dev->sram_channels[i].dma_ctl, 0); cx_write(dev->channels[i].sram_channels->dma_ctl, 0);
cx_write(dev->sram_channels[i].int_msk, 0); cx_write(dev->channels[i].sram_channels->int_msk, 0);
} }
for (i = VID_UPSTREAM_SRAM_CHANNEL_I; i <= VID_UPSTREAM_SRAM_CHANNEL_J; for (i = VID_UPSTREAM_SRAM_CHANNEL_I; i <= VID_UPSTREAM_SRAM_CHANNEL_J;
i++) { i++) {
cx_write(dev->sram_channels[i].dma_ctl, 0); cx_write(dev->channels[i].sram_channels->dma_ctl, 0);
cx_write(dev->sram_channels[i].int_msk, 0); cx_write(dev->channels[i].sram_channels->int_msk, 0);
} }
/* Disable Audio activity */ /* Disable Audio activity */
...@@ -805,12 +805,10 @@ static void cx25821_shutdown(struct cx25821_dev *dev) ...@@ -805,12 +805,10 @@ static void cx25821_shutdown(struct cx25821_dev *dev)
void cx25821_set_pixel_format(struct cx25821_dev *dev, int channel_select, void cx25821_set_pixel_format(struct cx25821_dev *dev, int channel_select,
u32 format) u32 format)
{ {
struct sram_channel *ch;
if (channel_select <= 7 && channel_select >= 0) { if (channel_select <= 7 && channel_select >= 0) {
ch = &cx25821_sram_channels[channel_select]; cx_write(dev->channels[channel_select].
cx_write(ch->pix_frmt, format); sram_channels->pix_frmt, format);
dev->pixel_formats[channel_select] = format; dev->channels[channel_select].pixel_formats = format;
} }
} }
...@@ -831,7 +829,7 @@ static void cx25821_initialize(struct cx25821_dev *dev) ...@@ -831,7 +829,7 @@ static void cx25821_initialize(struct cx25821_dev *dev)
cx_write(PCI_INT_STAT, 0xffffffff); cx_write(PCI_INT_STAT, 0xffffffff);
for (i = 0; i < VID_CHANNEL_NUM; i++) for (i = 0; i < VID_CHANNEL_NUM; i++)
cx_write(dev->sram_channels[i].int_stat, 0xffffffff); cx_write(dev->channels[i].sram_channels->int_stat, 0xffffffff);
cx_write(AUD_A_INT_STAT, 0xffffffff); cx_write(AUD_A_INT_STAT, 0xffffffff);
cx_write(AUD_B_INT_STAT, 0xffffffff); cx_write(AUD_B_INT_STAT, 0xffffffff);
...@@ -845,20 +843,21 @@ static void cx25821_initialize(struct cx25821_dev *dev) ...@@ -845,20 +843,21 @@ static void cx25821_initialize(struct cx25821_dev *dev)
mdelay(100); mdelay(100);
for (i = 0; i < VID_CHANNEL_NUM; i++) { for (i = 0; i < VID_CHANNEL_NUM; i++) {
cx25821_set_vip_mode(dev, &dev->sram_channels[i]); cx25821_set_vip_mode(dev, dev->channels[i].sram_channels);
cx25821_sram_channel_setup(dev, &dev->sram_channels[i], 1440, cx25821_sram_channel_setup(dev, dev->channels[i].sram_channels,
0); 1440, 0);
dev->pixel_formats[i] = PIXEL_FRMT_422; dev->channels[i].pixel_formats = PIXEL_FRMT_422;
dev->use_cif_resolution[i] = FALSE; dev->channels[i].use_cif_resolution = FALSE;
} }
/* Probably only affect Downstream */ /* Probably only affect Downstream */
for (i = VID_UPSTREAM_SRAM_CHANNEL_I; i <= VID_UPSTREAM_SRAM_CHANNEL_J; for (i = VID_UPSTREAM_SRAM_CHANNEL_I; i <= VID_UPSTREAM_SRAM_CHANNEL_J;
i++) { i++) {
cx25821_set_vip_mode(dev, &dev->sram_channels[i]); cx25821_set_vip_mode(dev, dev->channels[i].sram_channels);
} }
cx25821_sram_channel_setup_audio(dev, &dev->sram_channels[SRAM_CH08], cx25821_sram_channel_setup_audio(dev,
dev->channels[SRAM_CH08].sram_channels,
128, 0); 128, 0);
cx25821_gpio_init(dev); cx25821_gpio_init(dev);
...@@ -902,21 +901,6 @@ static int cx25821_dev_setup(struct cx25821_dev *dev) ...@@ -902,21 +901,6 @@ static int cx25821_dev_setup(struct cx25821_dev *dev)
{ {
int io_size = 0, i; int io_size = 0, i;
struct video_device *video_template[] = {
&cx25821_video_template0,
&cx25821_video_template1,
&cx25821_video_template2,
&cx25821_video_template3,
&cx25821_video_template4,
&cx25821_video_template5,
&cx25821_video_template6,
&cx25821_video_template7,
&cx25821_video_template9,
&cx25821_video_template10,
&cx25821_video_template11,
&cx25821_videoioctl_template,
};
printk(KERN_INFO "\n***********************************\n"); printk(KERN_INFO "\n***********************************\n");
printk(KERN_INFO "cx25821 set up\n"); printk(KERN_INFO "cx25821 set up\n");
printk(KERN_INFO "***********************************\n\n"); printk(KERN_INFO "***********************************\n\n");
...@@ -947,7 +931,8 @@ static int cx25821_dev_setup(struct cx25821_dev *dev) ...@@ -947,7 +931,8 @@ static int cx25821_dev_setup(struct cx25821_dev *dev)
/* Apply a sensible clock frequency for the PCIe bridge */ /* Apply a sensible clock frequency for the PCIe bridge */
dev->clk_freq = 28000000; dev->clk_freq = 28000000;
dev->sram_channels = cx25821_sram_channels; for (i = 0; i < MAX_VID_CHANNEL_NUM; i++)
dev->channels[i].sram_channels = &cx25821_sram_channels[i];
if (dev->nr > 1) if (dev->nr > 1)
CX25821_INFO("dev->nr > 1!"); CX25821_INFO("dev->nr > 1!");
...@@ -970,7 +955,6 @@ static int cx25821_dev_setup(struct cx25821_dev *dev) ...@@ -970,7 +955,6 @@ static int cx25821_dev_setup(struct cx25821_dev *dev)
dev->i2c_bus[0].reg_wdata = I2C1_WDATA; dev->i2c_bus[0].reg_wdata = I2C1_WDATA;
dev->i2c_bus[0].i2c_period = (0x07 << 24); /* 1.95MHz */ dev->i2c_bus[0].i2c_period = (0x07 << 24); /* 1.95MHz */
if (cx25821_get_resources(dev) < 0) { if (cx25821_get_resources(dev) < 0) {
printk(KERN_ERR "%s No more PCIe resources for " printk(KERN_ERR "%s No more PCIe resources for "
"subsystem: %04x:%04x\n", "subsystem: %04x:%04x\n",
...@@ -1018,37 +1002,24 @@ static int cx25821_dev_setup(struct cx25821_dev *dev) ...@@ -1018,37 +1002,24 @@ static int cx25821_dev_setup(struct cx25821_dev *dev)
dev->i2c_bus[0].i2c_rc); dev->i2c_bus[0].i2c_rc);
cx25821_card_setup(dev); cx25821_card_setup(dev);
medusa_video_init(dev);
for (i = 0; i < VID_CHANNEL_NUM; i++) { if (medusa_video_init(dev) < 0)
if (cx25821_video_register(dev, i, video_template[i]) < 0) { CX25821_ERR("%s() Failed to initialize medusa!\n"
printk(KERN_ERR , __func__);
"%s() Failed to register analog video adapters on VID channel %d\n",
__func__, i);
}
}
for (i = VID_UPSTREAM_SRAM_CHANNEL_I; cx25821_video_register(dev);
i <= AUDIO_UPSTREAM_SRAM_CHANNEL_B; i++) {
/* Since we don't have template8 for Audio Downstream */
if (cx25821_video_register(dev, i, video_template[i - 1]) < 0) {
printk(KERN_ERR
"%s() Failed to register analog video adapters for Upstream channel %d.\n",
__func__, i);
}
}
/* register IOCTL device */ /* register IOCTL device */
dev->ioctl_dev = dev->ioctl_dev =
cx25821_vdev_init(dev, dev->pci, video_template[VIDEO_IOCTL_CH], cx25821_vdev_init(dev, dev->pci, &cx25821_videoioctl_template,
"video"); "video");
if (video_register_device if (video_register_device
(dev->ioctl_dev, VFL_TYPE_GRABBER, VIDEO_IOCTL_CH) < 0) { (dev->ioctl_dev, VFL_TYPE_GRABBER, VIDEO_IOCTL_CH) < 0) {
cx25821_videoioctl_unregister(dev); cx25821_videoioctl_unregister(dev);
printk(KERN_ERR printk(KERN_ERR
"%s() Failed to register video adapter for IOCTL so releasing.\n", "%s() Failed to register video adapter for IOCTL, so \
__func__); unregistering videoioctl device.\n", __func__);
} }
cx25821_dev_checkrevision(dev); cx25821_dev_checkrevision(dev);
...@@ -1371,7 +1342,8 @@ static irqreturn_t cx25821_irq(int irq, void *dev_id) ...@@ -1371,7 +1342,8 @@ static irqreturn_t cx25821_irq(int irq, void *dev_id)
for (i = 0; i < VID_CHANNEL_NUM; i++) { for (i = 0; i < VID_CHANNEL_NUM; i++) {
if (pci_status & mask[i]) { if (pci_status & mask[i]) {
vid_status = cx_read(dev->sram_channels[i].int_stat); vid_status = cx_read(dev->channels[i].
sram_channels->int_stat);
if (vid_status) if (vid_status)
handled += handled +=
......
drivers/staging/cx25821/cx25821-i2c.c
View file @ 6d8c2ba1
...@@ -282,6 +282,9 @@ static u32 cx25821_functionality(struct i2c_adapter *adap) ...@@ -282,6 +282,9 @@ static u32 cx25821_functionality(struct i2c_adapter *adap)
static struct i2c_algorithm cx25821_i2c_algo_template = { static struct i2c_algorithm cx25821_i2c_algo_template = {
.master_xfer = i2c_xfer, .master_xfer = i2c_xfer,
.functionality = cx25821_functionality, .functionality = cx25821_functionality,
#ifdef NEED_ALGO_CONTROL
.algo_control = dummy_algo_control,
#endif
}; };
static struct i2c_adapter cx25821_i2c_adap_template = { static struct i2c_adapter cx25821_i2c_adap_template = {
......
drivers/staging/cx25821/cx25821-medusa-defines.h
View file @ 6d8c2ba1
...@@ -23,7 +23,7 @@ ...@@ -23,7 +23,7 @@
#ifndef _MEDUSA_DEF_H_ #ifndef _MEDUSA_DEF_H_
#define _MEDUSA_DEF_H_ #define _MEDUSA_DEF_H_
// Video deocder that we supported /* Video deocder that we supported */
#define VDEC_A 0 #define VDEC_A 0
#define VDEC_B 1 #define VDEC_B 1
#define VDEC_C 2 #define VDEC_C 2
...@@ -33,19 +33,10 @@ ...@@ -33,19 +33,10 @@
#define VDEC_G 6 #define VDEC_G 6
#define VDEC_H 7 #define VDEC_H 7
//#define AUTO_SWITCH_BIT[] = { 8, 9, 10, 11, 12, 13, 14, 15 }; /* end of display sequence */
// The following bit position enables automatic source switching for decoder A-H.
// Display index per camera.
//#define VDEC_INDEX[] = {0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7};
// Select input bit to video decoder A-H.
//#define CH_SRC_SEL_BIT[] = {24, 25, 26, 27, 28, 29, 30, 31};
// end of display sequence
#define END_OF_SEQ 0xF; #define END_OF_SEQ 0xF;
// registry string size /* registry string size */
#define MAX_REGISTRY_SZ 40; #define MAX_REGISTRY_SZ 40;
#endif #endif
drivers/staging/cx25821/cx25821-medusa-reg.h
View file @ 6d8c2ba1
...@@ -23,11 +23,11 @@ ...@@ -23,11 +23,11 @@
#ifndef __MEDUSA_REGISTERS__ #ifndef __MEDUSA_REGISTERS__
#define __MEDUSA_REGISTERS__ #define __MEDUSA_REGISTERS__
// Serial Slave Registers /* Serial Slave Registers */
#define HOST_REGISTER1 0x0000 #define HOST_REGISTER1 0x0000
#define HOST_REGISTER2 0x0001 #define HOST_REGISTER2 0x0001
// Chip Configuration Registers /* Chip Configuration Registers */
#define CHIP_CTRL 0x0100 #define CHIP_CTRL 0x0100
#define AFE_AB_CTRL 0x0104 #define AFE_AB_CTRL 0x0104
#define AFE_CD_CTRL 0x0108 #define AFE_CD_CTRL 0x0108
...@@ -92,7 +92,7 @@ ...@@ -92,7 +92,7 @@
#define ABIST_CLAMP_E 0x01F4 #define ABIST_CLAMP_E 0x01F4
#define ABIST_CLAMP_F 0x01F8 #define ABIST_CLAMP_F 0x01F8
// Digital Video Encoder A Registers /* Digital Video Encoder A Registers */
#define DENC_A_REG_1 0x0200 #define DENC_A_REG_1 0x0200
#define DENC_A_REG_2 0x0204 #define DENC_A_REG_2 0x0204
#define DENC_A_REG_3 0x0208 #define DENC_A_REG_3 0x0208
...@@ -102,7 +102,7 @@ ...@@ -102,7 +102,7 @@
#define DENC_A_REG_7 0x0218 #define DENC_A_REG_7 0x0218
#define DENC_A_REG_8 0x021C #define DENC_A_REG_8 0x021C
// Digital Video Encoder B Registers /* Digital Video Encoder B Registers */
#define DENC_B_REG_1 0x0300 #define DENC_B_REG_1 0x0300
#define DENC_B_REG_2 0x0304 #define DENC_B_REG_2 0x0304
#define DENC_B_REG_3 0x0308 #define DENC_B_REG_3 0x0308
...@@ -112,7 +112,7 @@ ...@@ -112,7 +112,7 @@
#define DENC_B_REG_7 0x0318 #define DENC_B_REG_7 0x0318
#define DENC_B_REG_8 0x031C #define DENC_B_REG_8 0x031C
// Video Decoder A Registers /* Video Decoder A Registers */
#define MODE_CTRL 0x1000 #define MODE_CTRL 0x1000
#define OUT_CTRL1 0x1004 #define OUT_CTRL1 0x1004
#define OUT_CTRL_NS 0x1008 #define OUT_CTRL_NS 0x1008
...@@ -153,7 +153,7 @@ ...@@ -153,7 +153,7 @@
#define VERSION 0x11F8 #define VERSION 0x11F8
#define SOFT_RST_CTRL 0x11FC #define SOFT_RST_CTRL 0x11FC
// Video Decoder B Registers /* Video Decoder B Registers */
#define VDEC_B_MODE_CTRL 0x1200 #define VDEC_B_MODE_CTRL 0x1200
#define VDEC_B_OUT_CTRL1 0x1204 #define VDEC_B_OUT_CTRL1 0x1204
#define VDEC_B_OUT_CTRL_NS 0x1208 #define VDEC_B_OUT_CTRL_NS 0x1208
...@@ -194,7 +194,7 @@ ...@@ -194,7 +194,7 @@
#define VDEC_B_VERSION 0x13F8 #define VDEC_B_VERSION 0x13F8
#define VDEC_B_SOFT_RST_CTRL 0x13FC #define VDEC_B_SOFT_RST_CTRL 0x13FC
// Video Decoder C Registers /* Video Decoder C Registers */
#define VDEC_C_MODE_CTRL 0x1400 #define VDEC_C_MODE_CTRL 0x1400
#define VDEC_C_OUT_CTRL1 0x1404 #define VDEC_C_OUT_CTRL1 0x1404
#define VDEC_C_OUT_CTRL_NS 0x1408 #define VDEC_C_OUT_CTRL_NS 0x1408
...@@ -235,7 +235,7 @@ ...@@ -235,7 +235,7 @@
#define VDEC_C_VERSION 0x15F8 #define VDEC_C_VERSION 0x15F8
#define VDEC_C_SOFT_RST_CTRL 0x15FC #define VDEC_C_SOFT_RST_CTRL 0x15FC
// Video Decoder D Registers /* Video Decoder D Registers */
#define VDEC_D_MODE_CTRL 0x1600 #define VDEC_D_MODE_CTRL 0x1600
#define VDEC_D_OUT_CTRL1 0x1604 #define VDEC_D_OUT_CTRL1 0x1604
#define VDEC_D_OUT_CTRL_NS 0x1608 #define VDEC_D_OUT_CTRL_NS 0x1608
...@@ -276,7 +276,7 @@ ...@@ -276,7 +276,7 @@
#define VDEC_D_VERSION 0x17F8 #define VDEC_D_VERSION 0x17F8
#define VDEC_D_SOFT_RST_CTRL 0x17FC #define VDEC_D_SOFT_RST_CTRL 0x17FC
// Video Decoder E Registers /* Video Decoder E Registers */
#define VDEC_E_MODE_CTRL 0x1800 #define VDEC_E_MODE_CTRL 0x1800
#define VDEC_E_OUT_CTRL1 0x1804 #define VDEC_E_OUT_CTRL1 0x1804
#define VDEC_E_OUT_CTRL_NS 0x1808 #define VDEC_E_OUT_CTRL_NS 0x1808
...@@ -317,7 +317,7 @@ ...@@ -317,7 +317,7 @@
#define VDEC_E_VERSION 0x19F8 #define VDEC_E_VERSION 0x19F8
#define VDEC_E_SOFT_RST_CTRL 0x19FC #define VDEC_E_SOFT_RST_CTRL 0x19FC
// Video Decoder F Registers /* Video Decoder F Registers */
#define VDEC_F_MODE_CTRL 0x1A00 #define VDEC_F_MODE_CTRL 0x1A00
#define VDEC_F_OUT_CTRL1 0x1A04 #define VDEC_F_OUT_CTRL1 0x1A04
#define VDEC_F_OUT_CTRL_NS 0x1A08 #define VDEC_F_OUT_CTRL_NS 0x1A08
...@@ -358,7 +358,7 @@ ...@@ -358,7 +358,7 @@
#define VDEC_F_VERSION 0x1BF8 #define VDEC_F_VERSION 0x1BF8
#define VDEC_F_SOFT_RST_CTRL 0x1BFC #define VDEC_F_SOFT_RST_CTRL 0x1BFC
// Video Decoder G Registers /* Video Decoder G Registers */
#define VDEC_G_MODE_CTRL 0x1C00 #define VDEC_G_MODE_CTRL 0x1C00
#define VDEC_G_OUT_CTRL1 0x1C04 #define VDEC_G_OUT_CTRL1 0x1C04
#define VDEC_G_OUT_CTRL_NS 0x1C08 #define VDEC_G_OUT_CTRL_NS 0x1C08
...@@ -399,7 +399,7 @@ ...@@ -399,7 +399,7 @@
#define VDEC_G_VERSION 0x1DF8 #define VDEC_G_VERSION 0x1DF8
#define VDEC_G_SOFT_RST_CTRL 0x1DFC #define VDEC_G_SOFT_RST_CTRL 0x1DFC
// Video Decoder H Registers /* Video Decoder H Registers */
#define VDEC_H_MODE_CTRL 0x1E00 #define VDEC_H_MODE_CTRL 0x1E00
#define VDEC_H_OUT_CTRL1 0x1E04 #define VDEC_H_OUT_CTRL1 0x1E04
#define VDEC_H_OUT_CTRL_NS 0x1E08 #define VDEC_H_OUT_CTRL_NS 0x1E08
...@@ -440,14 +440,14 @@ ...@@ -440,14 +440,14 @@
#define VDEC_H_VERSION 0x1FF8 #define VDEC_H_VERSION 0x1FF8
#define VDEC_H_SOFT_RST_CTRL 0x1FFC #define VDEC_H_SOFT_RST_CTRL 0x1FFC
//***************************************************************************** /*****************************************************************************/
// LUMA_CTRL register fields /* LUMA_CTRL register fields */
#define VDEC_A_BRITE_CTRL 0x1014 #define VDEC_A_BRITE_CTRL 0x1014
#define VDEC_A_CNTRST_CTRL 0x1015 #define VDEC_A_CNTRST_CTRL 0x1015
#define VDEC_A_PEAK_SEL 0x1016 #define VDEC_A_PEAK_SEL 0x1016
//***************************************************************************** /*****************************************************************************/
// CHROMA_CTRL register fields /* CHROMA_CTRL register fields */
#define VDEC_A_USAT_CTRL 0x1018 #define VDEC_A_USAT_CTRL 0x1018
#define VDEC_A_VSAT_CTRL 0x1019 #define VDEC_A_VSAT_CTRL 0x1019
#define VDEC_A_HUE_CTRL 0x101A #define VDEC_A_HUE_CTRL 0x101A
......
drivers/staging/cx25821/cx25821-medusa-video.c
View file @ 6d8c2ba1
...@@ -778,9 +778,9 @@ int medusa_set_saturation(struct cx25821_dev *dev, int saturation, int decoder) ...@@ -778,9 +778,9 @@ int medusa_set_saturation(struct cx25821_dev *dev, int saturation, int decoder)
int medusa_video_init(struct cx25821_dev *dev) int medusa_video_init(struct cx25821_dev *dev)
{ {
u32 value, tmp = 0; u32 value = 0, tmp = 0;
int ret_val; int ret_val = 0;
int i; int i = 0;
mutex_lock(&dev->lock); mutex_lock(&dev->lock);
...@@ -790,6 +790,7 @@ int medusa_video_init(struct cx25821_dev *dev) ...@@ -790,6 +790,7 @@ int medusa_video_init(struct cx25821_dev *dev)
value = cx25821_i2c_read(&dev->i2c_bus[0], MON_A_CTRL, &tmp); value = cx25821_i2c_read(&dev->i2c_bus[0], MON_A_CTRL, &tmp);
value &= 0xFFFFF0FF; value &= 0xFFFFF0FF;
ret_val = cx25821_i2c_write(&dev->i2c_bus[0], MON_A_CTRL, value); ret_val = cx25821_i2c_write(&dev->i2c_bus[0], MON_A_CTRL, value);
if (ret_val < 0) if (ret_val < 0)
goto error; goto error;
...@@ -797,6 +798,7 @@ int medusa_video_init(struct cx25821_dev *dev) ...@@ -797,6 +798,7 @@ int medusa_video_init(struct cx25821_dev *dev)
value = cx25821_i2c_read(&dev->i2c_bus[0], MON_A_CTRL, &tmp); value = cx25821_i2c_read(&dev->i2c_bus[0], MON_A_CTRL, &tmp);
value &= 0xFFFFFFDF; value &= 0xFFFFFFDF;
ret_val = cx25821_i2c_write(&dev->i2c_bus[0], MON_A_CTRL, value); ret_val = cx25821_i2c_write(&dev->i2c_bus[0], MON_A_CTRL, value);
if (ret_val < 0) if (ret_val < 0)
goto error; goto error;
...@@ -812,6 +814,7 @@ int medusa_video_init(struct cx25821_dev *dev) ...@@ -812,6 +814,7 @@ int medusa_video_init(struct cx25821_dev *dev)
value &= 0xFF70FF70; value &= 0xFF70FF70;
value |= 0x00090008; /* set en_active */ value |= 0x00090008; /* set en_active */
ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_AB_CTRL, value); ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_AB_CTRL, value);
if (ret_val < 0) if (ret_val < 0)
goto error; goto error;
...@@ -826,8 +829,10 @@ int medusa_video_init(struct cx25821_dev *dev) ...@@ -826,8 +829,10 @@ int medusa_video_init(struct cx25821_dev *dev)
/* select AFE clock to output mode */ /* select AFE clock to output mode */
value = cx25821_i2c_read(&dev->i2c_bus[0], AFE_AB_DIAG_CTRL, &tmp); value = cx25821_i2c_read(&dev->i2c_bus[0], AFE_AB_DIAG_CTRL, &tmp);
value &= 0x83FFFFFF; value &= 0x83FFFFFF;
ret_val = cx25821_i2c_write(&dev->i2c_bus[0], AFE_AB_DIAG_CTRL, ret_val =
cx25821_i2c_write(&dev->i2c_bus[0], AFE_AB_DIAG_CTRL,
value | 0x10000000); value | 0x10000000);
if (ret_val < 0) if (ret_val < 0)
goto error; goto error;
...@@ -849,12 +854,15 @@ int medusa_video_init(struct cx25821_dev *dev) ...@@ -849,12 +854,15 @@ int medusa_video_init(struct cx25821_dev *dev)
value |= 7; value |= 7;
ret_val = cx25821_i2c_write(&dev->i2c_bus[0], PIN_OE_CTRL, value); ret_val = cx25821_i2c_write(&dev->i2c_bus[0], PIN_OE_CTRL, value);
if (ret_val < 0) if (ret_val < 0)
goto error; goto error;
mutex_unlock(&dev->lock); mutex_unlock(&dev->lock);
ret_val = medusa_set_videostandard(dev); ret_val = medusa_set_videostandard(dev);
return ret_val; return ret_val;
error: error:
......
drivers/staging/cx25821/cx25821-medusa-video.h
View file @ 6d8c2ba1
...@@ -25,7 +25,7 @@ ...@@ -25,7 +25,7 @@
#include "cx25821-medusa-defines.h" #include "cx25821-medusa-defines.h"
// Color control constants /* Color control constants */
#define VIDEO_PROCAMP_MIN 0 #define VIDEO_PROCAMP_MIN 0
#define VIDEO_PROCAMP_MAX 10000 #define VIDEO_PROCAMP_MAX 10000
#define UNSIGNED_BYTE_MIN 0 #define UNSIGNED_BYTE_MIN 0
...@@ -33,7 +33,7 @@ ...@@ -33,7 +33,7 @@
#define SIGNED_BYTE_MIN -128 #define SIGNED_BYTE_MIN -128
#define SIGNED_BYTE_MAX 127 #define SIGNED_BYTE_MAX 127
// Default video color settings /* Default video color settings */
#define SHARPNESS_DEFAULT 50 #define SHARPNESS_DEFAULT 50
#define SATURATION_DEFAULT 5000 #define SATURATION_DEFAULT 5000
#define BRIGHTNESS_DEFAULT 6200 #define BRIGHTNESS_DEFAULT 6200
......
drivers/staging/cx25821/cx25821-reg.h
View file @ 6d8c2ba1
...@@ -48,17 +48,17 @@ ...@@ -48,17 +48,17 @@
#define RISC_SYNC_EVEN_VBI 0x00000207 #define RISC_SYNC_EVEN_VBI 0x00000207
#define RISC_NOOP 0xF0000000 #define RISC_NOOP 0xF0000000
//***************************************************************************** /*****************************************************************************
// ASB SRAM * ASB SRAM
//***************************************************************************** *****************************************************************************/
#define TX_SRAM 0x000000 // Transmit SRAM #define TX_SRAM 0x000000 // Transmit SRAM
//***************************************************************************** /*****************************************************************************/
#define RX_RAM 0x010000 // Receive SRAM #define RX_RAM 0x010000 // Receive SRAM
//***************************************************************************** /*****************************************************************************
// Application Layer (AL) * Application Layer (AL)
//***************************************************************************** *****************************************************************************/
#define DEV_CNTRL2 0x040000 // Device control #define DEV_CNTRL2 0x040000 // Device control
#define FLD_RUN_RISC 0x00000020 #define FLD_RUN_RISC 0x00000020
......
drivers/staging/cx25821/cx25821-video-upstream-ch2.c
View file @ 6d8c2ba1
...@@ -84,7 +84,7 @@ static __le32 *cx25821_risc_field_upstream_ch2(struct cx25821_dev *dev, ...@@ -84,7 +84,7 @@ static __le32 *cx25821_risc_field_upstream_ch2(struct cx25821_dev *dev,
{ {
unsigned int line, i; unsigned int line, i;
struct sram_channel *sram_ch = struct sram_channel *sram_ch =
&dev->sram_channels[dev->_channel2_upstream_select]; dev->channels[dev->_channel2_upstream_select].sram_channels;
int dist_betwn_starts = bpl * 2; int dist_betwn_starts = bpl * 2;
/* sync instruction */ /* sync instruction */
...@@ -110,8 +110,11 @@ static __le32 *cx25821_risc_field_upstream_ch2(struct cx25821_dev *dev, ...@@ -110,8 +110,11 @@ static __le32 *cx25821_risc_field_upstream_ch2(struct cx25821_dev *dev,
offset += dist_betwn_starts; offset += dist_betwn_starts;
} }
// check if we need to enable the FIFO after the first 4 lines /*
// For the upstream video channel, the risc engine will enable the FIFO. check if we need to enable the FIFO after the first 4 lines
For the upstream video channel, the risc engine will enable
the FIFO.
*/
if (fifo_enable && line == 3) { if (fifo_enable && line == 3) {
*(rp++) = RISC_WRITECR; *(rp++) = RISC_WRITECR;
*(rp++) = sram_ch->dma_ctl; *(rp++) = sram_ch->dma_ctl;
...@@ -130,7 +133,7 @@ int cx25821_risc_buffer_upstream_ch2(struct cx25821_dev *dev, ...@@ -130,7 +133,7 @@ int cx25821_risc_buffer_upstream_ch2(struct cx25821_dev *dev,
{ {
__le32 *rp; __le32 *rp;
int fifo_enable = 0; int fifo_enable = 0;
int singlefield_lines = lines >> 1; //get line count for single field int singlefield_lines = lines >> 1; /*get line count for single field */
int odd_num_lines = singlefield_lines; int odd_num_lines = singlefield_lines;
int frame = 0; int frame = 0;
int frame_size = 0; int frame_size = 0;
...@@ -174,7 +177,7 @@ int cx25821_risc_buffer_upstream_ch2(struct cx25821_dev *dev, ...@@ -174,7 +177,7 @@ int cx25821_risc_buffer_upstream_ch2(struct cx25821_dev *dev,
fifo_enable = FIFO_DISABLE; fifo_enable = FIFO_DISABLE;
//Even field /* Even field */
rp = cx25821_risc_field_upstream_ch2(dev, rp, rp = cx25821_risc_field_upstream_ch2(dev, rp,
dev-> dev->
_data_buf_phys_addr_ch2 + _data_buf_phys_addr_ch2 +
...@@ -192,7 +195,10 @@ int cx25821_risc_buffer_upstream_ch2(struct cx25821_dev *dev, ...@@ -192,7 +195,10 @@ int cx25821_risc_buffer_upstream_ch2(struct cx25821_dev *dev,
risc_phys_jump_addr = dev->_dma_phys_start_addr_ch2; risc_phys_jump_addr = dev->_dma_phys_start_addr_ch2;
} }
// Loop to 2ndFrameRISC or to Start of Risc program & generate IRQ /*
Loop to 2ndFrameRISC or to Start of
Risc program & generate IRQ
*/
*(rp++) = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | risc_flag); *(rp++) = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | risc_flag);
*(rp++) = cpu_to_le32(risc_phys_jump_addr); *(rp++) = cpu_to_le32(risc_phys_jump_addr);
*(rp++) = cpu_to_le32(0); *(rp++) = cpu_to_le32(0);
...@@ -204,7 +210,7 @@ int cx25821_risc_buffer_upstream_ch2(struct cx25821_dev *dev, ...@@ -204,7 +210,7 @@ int cx25821_risc_buffer_upstream_ch2(struct cx25821_dev *dev,
void cx25821_stop_upstream_video_ch2(struct cx25821_dev *dev) void cx25821_stop_upstream_video_ch2(struct cx25821_dev *dev)
{ {
struct sram_channel *sram_ch = struct sram_channel *sram_ch =
&dev->sram_channels[VID_UPSTREAM_SRAM_CHANNEL_J]; dev->channels[VID_UPSTREAM_SRAM_CHANNEL_J].sram_channels;
u32 tmp = 0; u32 tmp = 0;
if (!dev->_is_running_ch2) { if (!dev->_is_running_ch2) {
...@@ -212,15 +218,15 @@ void cx25821_stop_upstream_video_ch2(struct cx25821_dev *dev) ...@@ -212,15 +218,15 @@ void cx25821_stop_upstream_video_ch2(struct cx25821_dev *dev)
("cx25821: No video file is currently running so return!\n"); ("cx25821: No video file is currently running so return!\n");
return; return;
} }
//Disable RISC interrupts /* Disable RISC interrupts */
tmp = cx_read(sram_ch->int_msk); tmp = cx_read(sram_ch->int_msk);
cx_write(sram_ch->int_msk, tmp & ~_intr_msk); cx_write(sram_ch->int_msk, tmp & ~_intr_msk);
//Turn OFF risc and fifo /* Turn OFF risc and fifo */
tmp = cx_read(sram_ch->dma_ctl); tmp = cx_read(sram_ch->dma_ctl);
cx_write(sram_ch->dma_ctl, tmp & ~(FLD_VID_FIFO_EN | FLD_VID_RISC_EN)); cx_write(sram_ch->dma_ctl, tmp & ~(FLD_VID_FIFO_EN | FLD_VID_RISC_EN));
//Clear data buffer memory /* Clear data buffer memory */
if (dev->_data_buf_virt_addr_ch2) if (dev->_data_buf_virt_addr_ch2)
memset(dev->_data_buf_virt_addr_ch2, 0, memset(dev->_data_buf_virt_addr_ch2, 0,
dev->_data_buf_size_ch2); dev->_data_buf_size_ch2);
...@@ -371,8 +377,8 @@ static void cx25821_vidups_handler_ch2(struct work_struct *work) ...@@ -371,8 +377,8 @@ static void cx25821_vidups_handler_ch2(struct work_struct *work)
} }
cx25821_get_frame_ch2(dev, cx25821_get_frame_ch2(dev,
&dev->sram_channels[dev-> dev->channels[dev->
_channel2_upstream_select]); _channel2_upstream_select].sram_channels);
} }
int cx25821_openfile_ch2(struct cx25821_dev *dev, struct sram_channel *sram_ch) int cx25821_openfile_ch2(struct cx25821_dev *dev, struct sram_channel *sram_ch)
...@@ -488,7 +494,7 @@ static int cx25821_upstream_buffer_prepare_ch2(struct cx25821_dev *dev, ...@@ -488,7 +494,7 @@ static int cx25821_upstream_buffer_prepare_ch2(struct cx25821_dev *dev,
return -ENOMEM; return -ENOMEM;
} }
//Iniitize at this address until n bytes to 0 /* Iniitize at this address until n bytes to 0 */
memset(dev->_dma_virt_addr_ch2, 0, dev->_risc_size_ch2); memset(dev->_dma_virt_addr_ch2, 0, dev->_risc_size_ch2);
if (dev->_data_buf_virt_addr_ch2 != NULL) { if (dev->_data_buf_virt_addr_ch2 != NULL) {
...@@ -496,7 +502,7 @@ static int cx25821_upstream_buffer_prepare_ch2(struct cx25821_dev *dev, ...@@ -496,7 +502,7 @@ static int cx25821_upstream_buffer_prepare_ch2(struct cx25821_dev *dev,
dev->_data_buf_virt_addr_ch2, dev->_data_buf_virt_addr_ch2,
dev->_data_buf_phys_addr_ch2); dev->_data_buf_phys_addr_ch2);
} }
//For Video Data buffer allocation /* For Video Data buffer allocation */
dev->_data_buf_virt_addr_ch2 = dev->_data_buf_virt_addr_ch2 =
pci_alloc_consistent(dev->pci, dev->upstream_databuf_size_ch2, pci_alloc_consistent(dev->pci, dev->upstream_databuf_size_ch2,
&data_dma_addr); &data_dma_addr);
...@@ -509,14 +515,14 @@ static int cx25821_upstream_buffer_prepare_ch2(struct cx25821_dev *dev, ...@@ -509,14 +515,14 @@ static int cx25821_upstream_buffer_prepare_ch2(struct cx25821_dev *dev,
return -ENOMEM; return -ENOMEM;
} }
//Initialize at this address until n bytes to 0 /* Initialize at this address until n bytes to 0 */
memset(dev->_data_buf_virt_addr_ch2, 0, dev->_data_buf_size_ch2); memset(dev->_data_buf_virt_addr_ch2, 0, dev->_data_buf_size_ch2);
ret = cx25821_openfile_ch2(dev, sram_ch); ret = cx25821_openfile_ch2(dev, sram_ch);
if (ret < 0) if (ret < 0)
return ret; return ret;
//Creating RISC programs /* Creating RISC programs */
ret = ret =
cx25821_risc_buffer_upstream_ch2(dev, dev->pci, 0, bpl, cx25821_risc_buffer_upstream_ch2(dev, dev->pci, 0, bpl,
dev->_lines_count_ch2); dev->_lines_count_ch2);
...@@ -536,7 +542,7 @@ int cx25821_video_upstream_irq_ch2(struct cx25821_dev *dev, int chan_num, ...@@ -536,7 +542,7 @@ int cx25821_video_upstream_irq_ch2(struct cx25821_dev *dev, int chan_num,
u32 status) u32 status)
{ {
u32 int_msk_tmp; u32 int_msk_tmp;
struct sram_channel *channel = &dev->sram_channels[chan_num]; struct sram_channel *channel = dev->channels[chan_num].sram_channels;
int singlefield_lines = NTSC_FIELD_HEIGHT; int singlefield_lines = NTSC_FIELD_HEIGHT;
int line_size_in_bytes = Y422_LINE_SZ; int line_size_in_bytes = Y422_LINE_SZ;
int odd_risc_prog_size = 0; int odd_risc_prog_size = 0;
...@@ -544,10 +550,13 @@ int cx25821_video_upstream_irq_ch2(struct cx25821_dev *dev, int chan_num, ...@@ -544,10 +550,13 @@ int cx25821_video_upstream_irq_ch2(struct cx25821_dev *dev, int chan_num,
__le32 *rp; __le32 *rp;
if (status & FLD_VID_SRC_RISC1) { if (status & FLD_VID_SRC_RISC1) {
// We should only process one program per call /* We should only process one program per call */
u32 prog_cnt = cx_read(channel->gpcnt); u32 prog_cnt = cx_read(channel->gpcnt);
//Since we've identified our IRQ, clear our bits from the interrupt mask and interrupt status registers /*
Since we've identified our IRQ, clear our bits from the
interrupt mask and interrupt status registers
*/
int_msk_tmp = cx_read(channel->int_msk); int_msk_tmp = cx_read(channel->int_msk);
cx_write(channel->int_msk, int_msk_tmp & ~_intr_msk); cx_write(channel->int_msk, int_msk_tmp & ~_intr_msk);
cx_write(channel->int_stat, _intr_msk); cx_write(channel->int_stat, _intr_msk);
...@@ -588,7 +597,7 @@ int cx25821_video_upstream_irq_ch2(struct cx25821_dev *dev, int chan_num, ...@@ -588,7 +597,7 @@ int cx25821_video_upstream_irq_ch2(struct cx25821_dev *dev, int chan_num,
FIFO_DISABLE, FIFO_DISABLE,
ODD_FIELD); ODD_FIELD);
// Jump to Even Risc program of 1st Frame /* Jump to Even Risc program of 1st Frame */
*(rp++) = cpu_to_le32(RISC_JUMP); *(rp++) = cpu_to_le32(RISC_JUMP);
*(rp++) = cpu_to_le32(risc_phys_jump_addr); *(rp++) = cpu_to_le32(risc_phys_jump_addr);
*(rp++) = cpu_to_le32(0); *(rp++) = cpu_to_le32(0);
...@@ -603,7 +612,7 @@ int cx25821_video_upstream_irq_ch2(struct cx25821_dev *dev, int chan_num, ...@@ -603,7 +612,7 @@ int cx25821_video_upstream_irq_ch2(struct cx25821_dev *dev, int chan_num,
dev->_frame_count_ch2); dev->_frame_count_ch2);
return -1; return -1;
} }
//ElSE, set the interrupt mask register, re-enable irq. /* ElSE, set the interrupt mask register, re-enable irq. */
int_msk_tmp = cx_read(channel->int_msk); int_msk_tmp = cx_read(channel->int_msk);
cx_write(channel->int_msk, int_msk_tmp |= _intr_msk); cx_write(channel->int_msk, int_msk_tmp |= _intr_msk);
...@@ -623,12 +632,12 @@ static irqreturn_t cx25821_upstream_irq_ch2(int irq, void *dev_id) ...@@ -623,12 +632,12 @@ static irqreturn_t cx25821_upstream_irq_ch2(int irq, void *dev_id)
channel_num = VID_UPSTREAM_SRAM_CHANNEL_J; channel_num = VID_UPSTREAM_SRAM_CHANNEL_J;
sram_ch = &dev->sram_channels[channel_num]; sram_ch = dev->channels[channel_num].sram_channels;
msk_stat = cx_read(sram_ch->int_mstat); msk_stat = cx_read(sram_ch->int_mstat);
vid_status = cx_read(sram_ch->int_stat); vid_status = cx_read(sram_ch->int_stat);
// Only deal with our interrupt /* Only deal with our interrupt */
if (vid_status) { if (vid_status) {
handled = handled =
cx25821_video_upstream_irq_ch2(dev, channel_num, cx25821_video_upstream_irq_ch2(dev, channel_num,
...@@ -658,7 +667,10 @@ static void cx25821_set_pixelengine_ch2(struct cx25821_dev *dev, ...@@ -658,7 +667,10 @@ static void cx25821_set_pixelengine_ch2(struct cx25821_dev *dev,
value |= dev->_isNTSC_ch2 ? 0 : 0x10; value |= dev->_isNTSC_ch2 ? 0 : 0x10;
cx_write(ch->vid_fmt_ctl, value); cx_write(ch->vid_fmt_ctl, value);
// set number of active pixels in each line. Default is 720 pixels in both NTSC and PAL format /*
set number of active pixels in each line. Default is 720
pixels in both NTSC and PAL format
*/
cx_write(ch->vid_active_ctl1, width); cx_write(ch->vid_active_ctl1, width);
num_lines = (height / 2) & 0x3FF; num_lines = (height / 2) & 0x3FF;
...@@ -670,7 +682,7 @@ static void cx25821_set_pixelengine_ch2(struct cx25821_dev *dev, ...@@ -670,7 +682,7 @@ static void cx25821_set_pixelengine_ch2(struct cx25821_dev *dev,
value = (num_lines << 16) | odd_num_lines; value = (num_lines << 16) | odd_num_lines;
// set number of active lines in field 0 (top) and field 1 (bottom) /* set number of active lines in field 0 (top) and field 1 (bottom) */
cx_write(ch->vid_active_ctl2, value); cx_write(ch->vid_active_ctl2, value);
cx_write(ch->vid_cdt_size, VID_CDT_SIZE >> 3); cx_write(ch->vid_cdt_size, VID_CDT_SIZE >> 3);
...@@ -682,21 +694,27 @@ int cx25821_start_video_dma_upstream_ch2(struct cx25821_dev *dev, ...@@ -682,21 +694,27 @@ int cx25821_start_video_dma_upstream_ch2(struct cx25821_dev *dev,
u32 tmp = 0; u32 tmp = 0;
int err = 0; int err = 0;
// 656/VIP SRC Upstream Channel I & J and 7 - Host Bus Interface for channel A-C /*
656/VIP SRC Upstream Channel I & J and 7 - Host Bus Interface
for channel A-C
*/
tmp = cx_read(VID_CH_MODE_SEL); tmp = cx_read(VID_CH_MODE_SEL);
cx_write(VID_CH_MODE_SEL, tmp | 0x1B0001FF); cx_write(VID_CH_MODE_SEL, tmp | 0x1B0001FF);
// Set the physical start address of the RISC program in the initial program counter(IPC) member of the cmds. /*
Set the physical start address of the RISC program in the initial
program counter(IPC) member of the cmds.
*/
cx_write(sram_ch->cmds_start + 0, dev->_dma_phys_addr_ch2); cx_write(sram_ch->cmds_start + 0, dev->_dma_phys_addr_ch2);
cx_write(sram_ch->cmds_start + 4, 0); /* Risc IPC High 64 bits 63-32 */ cx_write(sram_ch->cmds_start + 4, 0); /* Risc IPC High 64 bits 63-32 */
/* reset counter */ /* reset counter */
cx_write(sram_ch->gpcnt_ctl, 3); cx_write(sram_ch->gpcnt_ctl, 3);
// Clear our bits from the interrupt status register. /* Clear our bits from the interrupt status register. */
cx_write(sram_ch->int_stat, _intr_msk); cx_write(sram_ch->int_stat, _intr_msk);
//Set the interrupt mask register, enable irq. /* Set the interrupt mask register, enable irq. */
cx_set(PCI_INT_MSK, cx_read(PCI_INT_MSK) | (1 << sram_ch->irq_bit)); cx_set(PCI_INT_MSK, cx_read(PCI_INT_MSK) | (1 << sram_ch->irq_bit));
tmp = cx_read(sram_ch->int_msk); tmp = cx_read(sram_ch->int_msk);
cx_write(sram_ch->int_msk, tmp |= _intr_msk); cx_write(sram_ch->int_msk, tmp |= _intr_msk);
...@@ -709,7 +727,7 @@ int cx25821_start_video_dma_upstream_ch2(struct cx25821_dev *dev, ...@@ -709,7 +727,7 @@ int cx25821_start_video_dma_upstream_ch2(struct cx25821_dev *dev,
dev->pci->irq); dev->pci->irq);
goto fail_irq; goto fail_irq;
} }
// Start the DMA engine /* Start the DMA engine */
tmp = cx_read(sram_ch->dma_ctl); tmp = cx_read(sram_ch->dma_ctl);
cx_set(sram_ch->dma_ctl, tmp | FLD_VID_RISC_EN); cx_set(sram_ch->dma_ctl, tmp | FLD_VID_RISC_EN);
...@@ -740,7 +758,7 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select, ...@@ -740,7 +758,7 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select,
} }
dev->_channel2_upstream_select = channel_select; dev->_channel2_upstream_select = channel_select;
sram_ch = &dev->sram_channels[channel_select]; sram_ch = dev->channels[channel_select].sram_channels;
INIT_WORK(&dev->_irq_work_entry_ch2, cx25821_vidups_handler_ch2); INIT_WORK(&dev->_irq_work_entry_ch2, cx25821_vidups_handler_ch2);
dev->_irq_queues_ch2 = dev->_irq_queues_ch2 =
...@@ -751,7 +769,10 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select, ...@@ -751,7 +769,10 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select,
("cx25821: create_singlethread_workqueue() for Video FAILED!\n"); ("cx25821: create_singlethread_workqueue() for Video FAILED!\n");
return -ENOMEM; return -ENOMEM;
} }
// 656/VIP SRC Upstream Channel I & J and 7 - Host Bus Interface for channel A-C /*
656/VIP SRC Upstream Channel I & J and 7 -
Host Bus Interface for channel A-C
*/
tmp = cx_read(VID_CH_MODE_SEL); tmp = cx_read(VID_CH_MODE_SEL);
cx_write(VID_CH_MODE_SEL, tmp | 0x1B0001FF); cx_write(VID_CH_MODE_SEL, tmp | 0x1B0001FF);
...@@ -787,7 +808,7 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select, ...@@ -787,7 +808,7 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select,
str_length + 1); str_length + 1);
} }
//Default if filename is empty string /* Default if filename is empty string */
if (strcmp(dev->input_filename_ch2, "") == 0) { if (strcmp(dev->input_filename_ch2, "") == 0) {
if (dev->_isNTSC_ch2) { if (dev->_isNTSC_ch2) {
dev->_filename_ch2 = dev->_filename_ch2 =
...@@ -812,7 +833,7 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select, ...@@ -812,7 +833,7 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select,
dev->upstream_riscbuf_size_ch2 = risc_buffer_size * 2; dev->upstream_riscbuf_size_ch2 = risc_buffer_size * 2;
dev->upstream_databuf_size_ch2 = data_frame_size * 2; dev->upstream_databuf_size_ch2 = data_frame_size * 2;
//Allocating buffers and prepare RISC program /* Allocating buffers and prepare RISC program */
retval = retval =
cx25821_upstream_buffer_prepare_ch2(dev, sram_ch, cx25821_upstream_buffer_prepare_ch2(dev, sram_ch,
dev->_line_size_ch2); dev->_line_size_ch2);
......
drivers/staging/cx25821/cx25821-video-upstream.c
View file @ 6d8c2ba1
...@@ -134,7 +134,7 @@ static __le32 *cx25821_risc_field_upstream(struct cx25821_dev *dev, __le32 * rp, ...@@ -134,7 +134,7 @@ static __le32 *cx25821_risc_field_upstream(struct cx25821_dev *dev, __le32 * rp,
{ {
unsigned int line, i; unsigned int line, i;
struct sram_channel *sram_ch = struct sram_channel *sram_ch =
&dev->sram_channels[dev->_channel_upstream_select]; dev->channels[dev->_channel_upstream_select].sram_channels;
int dist_betwn_starts = bpl * 2; int dist_betwn_starts = bpl * 2;
/* sync instruction */ /* sync instruction */
...@@ -253,7 +253,7 @@ int cx25821_risc_buffer_upstream(struct cx25821_dev *dev, ...@@ -253,7 +253,7 @@ int cx25821_risc_buffer_upstream(struct cx25821_dev *dev,
void cx25821_stop_upstream_video_ch1(struct cx25821_dev *dev) void cx25821_stop_upstream_video_ch1(struct cx25821_dev *dev)
{ {
struct sram_channel *sram_ch = struct sram_channel *sram_ch =
&dev->sram_channels[VID_UPSTREAM_SRAM_CHANNEL_I]; dev->channels[VID_UPSTREAM_SRAM_CHANNEL_I].sram_channels;
u32 tmp = 0; u32 tmp = 0;
if (!dev->_is_running) { if (!dev->_is_running) {
...@@ -346,19 +346,22 @@ int cx25821_get_frame(struct cx25821_dev *dev, struct sram_channel *sram_ch) ...@@ -346,19 +346,22 @@ int cx25821_get_frame(struct cx25821_dev *dev, struct sram_channel *sram_ch)
if (IS_ERR(myfile)) { if (IS_ERR(myfile)) {
const int open_errno = -PTR_ERR(myfile); const int open_errno = -PTR_ERR(myfile);
printk(KERN_ERR "%s(): ERROR opening file(%s) with errno = %d!\n", printk(KERN_ERR
"%s(): ERROR opening file(%s) with errno = %d!\n",
__func__, dev->_filename, open_errno); __func__, dev->_filename, open_errno);
return PTR_ERR(myfile); return PTR_ERR(myfile);
} else { } else {
if (!(myfile->f_op)) { if (!(myfile->f_op)) {
printk(KERN_ERR "%s: File has no file operations registered!", printk(KERN_ERR
"%s: File has no file operations registered!",
__func__); __func__);
filp_close(myfile, NULL); filp_close(myfile, NULL);
return -EIO; return -EIO;
} }
if (!myfile->f_op->read) { if (!myfile->f_op->read) {
printk(KERN_ERR "%s: File has no READ operations registered!", printk(KERN_ERR
"%s: File has no READ operations registered!",
__func__); __func__);
filp_close(myfile, NULL); filp_close(myfile, NULL);
return -EIO; return -EIO;
...@@ -386,7 +389,8 @@ int cx25821_get_frame(struct cx25821_dev *dev, struct sram_channel *sram_ch) ...@@ -386,7 +389,8 @@ int cx25821_get_frame(struct cx25821_dev *dev, struct sram_channel *sram_ch)
if (vfs_read_retval < line_size) { if (vfs_read_retval < line_size) {
printk(KERN_INFO printk(KERN_INFO
"Done: exit %s() since no more bytes to read from Video file.\n", "Done: exit %s() since no more bytes to \
read from Video file.\n",
__func__); __func__);
break; break;
} }
...@@ -411,13 +415,15 @@ static void cx25821_vidups_handler(struct work_struct *work) ...@@ -411,13 +415,15 @@ static void cx25821_vidups_handler(struct work_struct *work)
container_of(work, struct cx25821_dev, _irq_work_entry); container_of(work, struct cx25821_dev, _irq_work_entry);
if (!dev) { if (!dev) {
printk(KERN_ERR "ERROR %s(): since container_of(work_struct) FAILED!\n", printk(KERN_ERR
"ERROR %s(): since container_of(work_struct) FAILED!\n",
__func__); __func__);
return; return;
} }
cx25821_get_frame(dev, cx25821_get_frame(dev,
&dev->sram_channels[dev->_channel_upstream_select]); dev->channels[dev->_channel_upstream_select].
sram_channels);
} }
int cx25821_openfile(struct cx25821_dev *dev, struct sram_channel *sram_ch) int cx25821_openfile(struct cx25821_dev *dev, struct sram_channel *sram_ch)
...@@ -442,15 +448,17 @@ int cx25821_openfile(struct cx25821_dev *dev, struct sram_channel *sram_ch) ...@@ -442,15 +448,17 @@ int cx25821_openfile(struct cx25821_dev *dev, struct sram_channel *sram_ch)
return PTR_ERR(myfile); return PTR_ERR(myfile);
} else { } else {
if (!(myfile->f_op)) { if (!(myfile->f_op)) {
printk(KERN_ERR "%s: File has no file operations registered!", printk(KERN_ERR
"%s: File has no file operations registered!",
__func__); __func__);
filp_close(myfile, NULL); filp_close(myfile, NULL);
return -EIO; return -EIO;
} }
if (!myfile->f_op->read) { if (!myfile->f_op->read) {
printk printk(KERN_ERR
(KERN_ERR "%s: File has no READ operations registered! Returning.", "%s: File has no READ operations registered! \
Returning.",
__func__); __func__);
filp_close(myfile, NULL); filp_close(myfile, NULL);
return -EIO; return -EIO;
...@@ -480,7 +488,8 @@ int cx25821_openfile(struct cx25821_dev *dev, struct sram_channel *sram_ch) ...@@ -480,7 +488,8 @@ int cx25821_openfile(struct cx25821_dev *dev, struct sram_channel *sram_ch)
if (vfs_read_retval < line_size) { if (vfs_read_retval < line_size) {
printk(KERN_INFO printk(KERN_INFO
"Done: exit %s() since no more bytes to read from Video file.\n", "Done: exit %s() since no more \
bytes to read from Video file.\n",
__func__); __func__);
break; break;
} }
...@@ -526,7 +535,8 @@ int cx25821_upstream_buffer_prepare(struct cx25821_dev *dev, ...@@ -526,7 +535,8 @@ int cx25821_upstream_buffer_prepare(struct cx25821_dev *dev,
if (!dev->_dma_virt_addr) { if (!dev->_dma_virt_addr) {
printk printk
(KERN_ERR "cx25821: FAILED to allocate memory for Risc buffer! Returning.\n"); (KERN_ERR "cx25821: FAILED to allocate memory for Risc \
buffer! Returning.\n");
return -ENOMEM; return -ENOMEM;
} }
...@@ -547,7 +557,8 @@ int cx25821_upstream_buffer_prepare(struct cx25821_dev *dev, ...@@ -547,7 +557,8 @@ int cx25821_upstream_buffer_prepare(struct cx25821_dev *dev,
if (!dev->_data_buf_virt_addr) { if (!dev->_data_buf_virt_addr) {
printk printk
(KERN_ERR "cx25821: FAILED to allocate memory for data buffer! Returning.\n"); (KERN_ERR "cx25821: FAILED to allocate memory for data \
buffer! Returning.\n");
return -ENOMEM; return -ENOMEM;
} }
...@@ -578,7 +589,7 @@ int cx25821_video_upstream_irq(struct cx25821_dev *dev, int chan_num, ...@@ -578,7 +589,7 @@ int cx25821_video_upstream_irq(struct cx25821_dev *dev, int chan_num,
u32 status) u32 status)
{ {
u32 int_msk_tmp; u32 int_msk_tmp;
struct sram_channel *channel = &dev->sram_channels[chan_num]; struct sram_channel *channel = dev->channels[chan_num].sram_channels;
int singlefield_lines = NTSC_FIELD_HEIGHT; int singlefield_lines = NTSC_FIELD_HEIGHT;
int line_size_in_bytes = Y422_LINE_SZ; int line_size_in_bytes = Y422_LINE_SZ;
int odd_risc_prog_size = 0; int odd_risc_prog_size = 0;
...@@ -642,16 +653,16 @@ int cx25821_video_upstream_irq(struct cx25821_dev *dev, int chan_num, ...@@ -642,16 +653,16 @@ int cx25821_video_upstream_irq(struct cx25821_dev *dev, int chan_num,
} else { } else {
if (status & FLD_VID_SRC_UF) if (status & FLD_VID_SRC_UF)
printk printk
(KERN_ERR "%s: Video Received Underflow Error Interrupt!\n", (KERN_ERR "%s: Video Received Underflow Error \
__func__); Interrupt!\n", __func__);
if (status & FLD_VID_SRC_SYNC) if (status & FLD_VID_SRC_SYNC)
printk(KERN_ERR "%s: Video Received Sync Error Interrupt!\n", printk(KERN_ERR "%s: Video Received Sync Error \
__func__); Interrupt!\n", __func__);
if (status & FLD_VID_SRC_OPC_ERR) if (status & FLD_VID_SRC_OPC_ERR)
printk(KERN_ERR "%s: Video Received OpCode Error Interrupt!\n", printk(KERN_ERR "%s: Video Received OpCode Error \
__func__); Interrupt!\n", __func__);
} }
if (dev->_file_status == END_OF_FILE) { if (dev->_file_status == END_OF_FILE) {
...@@ -679,7 +690,7 @@ static irqreturn_t cx25821_upstream_irq(int irq, void *dev_id) ...@@ -679,7 +690,7 @@ static irqreturn_t cx25821_upstream_irq(int irq, void *dev_id)
channel_num = VID_UPSTREAM_SRAM_CHANNEL_I; channel_num = VID_UPSTREAM_SRAM_CHANNEL_I;
sram_ch = &dev->sram_channels[channel_num]; sram_ch = dev->channels[channel_num].sram_channels;
msk_stat = cx_read(sram_ch->int_mstat); msk_stat = cx_read(sram_ch->int_mstat);
vid_status = cx_read(sram_ch->int_stat); vid_status = cx_read(sram_ch->int_stat);
...@@ -800,14 +811,15 @@ int cx25821_vidupstream_init_ch1(struct cx25821_dev *dev, int channel_select, ...@@ -800,14 +811,15 @@ int cx25821_vidupstream_init_ch1(struct cx25821_dev *dev, int channel_select,
} }
dev->_channel_upstream_select = channel_select; dev->_channel_upstream_select = channel_select;
sram_ch = &dev->sram_channels[channel_select]; sram_ch = dev->channels[channel_select].sram_channels;
INIT_WORK(&dev->_irq_work_entry, cx25821_vidups_handler); INIT_WORK(&dev->_irq_work_entry, cx25821_vidups_handler);
dev->_irq_queues = create_singlethread_workqueue("cx25821_workqueue"); dev->_irq_queues = create_singlethread_workqueue("cx25821_workqueue");
if (!dev->_irq_queues) { if (!dev->_irq_queues) {
printk printk
(KERN_ERR "cx25821: create_singlethread_workqueue() for Video FAILED!\n"); (KERN_ERR "cx25821: create_singlethread_workqueue() for \
Video FAILED!\n");
return -ENOMEM; return -ENOMEM;
} }
/* 656/VIP SRC Upstream Channel I & J and 7 - Host Bus Interface for /* 656/VIP SRC Upstream Channel I & J and 7 - Host Bus Interface for
......
drivers/staging/cx25821/cx25821-video.c
View file @ 6d8c2ba1
...@@ -4,6 +4,9 @@ ...@@ -4,6 +4,9 @@
* Copyright (C) 2009 Conexant Systems Inc. * Copyright (C) 2009 Conexant Systems Inc.
* Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com> * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
* Based on Steven Toth <stoth@linuxtv.org> cx23885 driver * Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
* Parts adapted/taken from Eduardo Moscoso Rubino
* Copyright (C) 2009 Eduardo Moscoso Rubino <moscoso@TopoLogica.com>
*
* *
* This program is free software; you can redistribute it and/or modify * This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by * it under the terms of the GNU General Public License as published by
...@@ -24,7 +27,7 @@ ...@@ -24,7 +27,7 @@
#include "cx25821-video.h" #include "cx25821-video.h"
MODULE_DESCRIPTION("v4l2 driver module for cx25821 based TV cards"); MODULE_DESCRIPTION("v4l2 driver module for cx25821 based TV cards");
MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>"); MODULE_AUTHOR("Hiep Huynh <hiep.huynh@conexant.com>");
MODULE_LICENSE("GPL"); MODULE_LICENSE("GPL");
static unsigned int video_nr[] = {[0 ... (CX25821_MAXBOARDS - 1)] = UNSET }; static unsigned int video_nr[] = {[0 ... (CX25821_MAXBOARDS - 1)] = UNSET };
...@@ -48,7 +51,10 @@ unsigned int vid_limit = 16; ...@@ -48,7 +51,10 @@ unsigned int vid_limit = 16;
module_param(vid_limit, int, 0644); module_param(vid_limit, int, 0644);
MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes"); MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes");
static void init_controls(struct cx25821_dev *dev, int chan_num); static void cx25821_init_controls(struct cx25821_dev *dev, int chan_num);
static const struct v4l2_file_operations video_fops;
static const struct v4l2_ioctl_ops video_ioctl_ops;
#define FORMAT_FLAGS_PACKED 0x01 #define FORMAT_FLAGS_PACKED 0x01
...@@ -211,7 +217,7 @@ static int cx25821_ctrl_query(struct v4l2_queryctrl *qctrl) ...@@ -211,7 +217,7 @@ static int cx25821_ctrl_query(struct v4l2_queryctrl *qctrl)
} }
*/ */
// resource management /* resource management */
int cx25821_res_get(struct cx25821_dev *dev, struct cx25821_fh *fh, unsigned int bit) int cx25821_res_get(struct cx25821_dev *dev, struct cx25821_fh *fh, unsigned int bit)
{ {
dprintk(1, "%s()\n", __func__); dprintk(1, "%s()\n", __func__);
...@@ -221,14 +227,14 @@ int cx25821_res_get(struct cx25821_dev *dev, struct cx25821_fh *fh, unsigned int ...@@ -221,14 +227,14 @@ int cx25821_res_get(struct cx25821_dev *dev, struct cx25821_fh *fh, unsigned int
/* is it free? */ /* is it free? */
mutex_lock(&dev->lock); mutex_lock(&dev->lock);
if (dev->resources & bit) { if (dev->channels[fh->channel_id].resources & bit) {
/* no, someone else uses it */ /* no, someone else uses it */
mutex_unlock(&dev->lock); mutex_unlock(&dev->lock);
return 0; return 0;
} }
/* it's free, grab it */ /* it's free, grab it */
fh->resources |= bit; fh->resources |= bit;
dev->resources |= bit; dev->channels[fh->channel_id].resources |= bit;
dprintk(1, "res: get %d\n", bit); dprintk(1, "res: get %d\n", bit);
mutex_unlock(&dev->lock); mutex_unlock(&dev->lock);
return 1; return 1;
...@@ -239,9 +245,9 @@ int cx25821_res_check(struct cx25821_fh *fh, unsigned int bit) ...@@ -239,9 +245,9 @@ int cx25821_res_check(struct cx25821_fh *fh, unsigned int bit)
return fh->resources & bit; return fh->resources & bit;
} }
int cx25821_res_locked(struct cx25821_dev *dev, unsigned int bit) int cx25821_res_locked(struct cx25821_fh *fh, unsigned int bit)
{ {
return dev->resources & bit; return fh->dev->channels[fh->channel_id].resources & bit;
} }
void cx25821_res_free(struct cx25821_dev *dev, struct cx25821_fh *fh, unsigned int bits) void cx25821_res_free(struct cx25821_dev *dev, struct cx25821_fh *fh, unsigned int bits)
...@@ -251,7 +257,7 @@ void cx25821_res_free(struct cx25821_dev *dev, struct cx25821_fh *fh, unsigned i ...@@ -251,7 +257,7 @@ void cx25821_res_free(struct cx25821_dev *dev, struct cx25821_fh *fh, unsigned i
mutex_lock(&dev->lock); mutex_lock(&dev->lock);
fh->resources &= ~bits; fh->resources &= ~bits;
dev->resources &= ~bits; dev->channels[fh->channel_id].resources &= ~bits;
dprintk(1, "res: put %d\n", bits); dprintk(1, "res: put %d\n", bits);
mutex_unlock(&dev->lock); mutex_unlock(&dev->lock);
} }
...@@ -358,11 +364,11 @@ void cx25821_vid_timeout(unsigned long data) ...@@ -358,11 +364,11 @@ void cx25821_vid_timeout(unsigned long data)
struct cx25821_data *timeout_data = (struct cx25821_data *)data; struct cx25821_data *timeout_data = (struct cx25821_data *)data;
struct cx25821_dev *dev = timeout_data->dev; struct cx25821_dev *dev = timeout_data->dev;
struct sram_channel *channel = timeout_data->channel; struct sram_channel *channel = timeout_data->channel;
struct cx25821_dmaqueue *q = &dev->vidq[channel->i]; struct cx25821_dmaqueue *q = &dev->channels[channel->i].vidq;
struct cx25821_buffer *buf; struct cx25821_buffer *buf;
unsigned long flags; unsigned long flags;
//cx25821_sram_channel_dump(dev, channel); /* cx25821_sram_channel_dump(dev, channel); */
cx_clear(channel->dma_ctl, 0x11); cx_clear(channel->dma_ctl, 0x11);
spin_lock_irqsave(&dev->slock, flags); spin_lock_irqsave(&dev->slock, flags);
...@@ -384,7 +390,7 @@ int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status) ...@@ -384,7 +390,7 @@ int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status)
u32 count = 0; u32 count = 0;
int handled = 0; int handled = 0;
u32 mask; u32 mask;
struct sram_channel *channel = &dev->sram_channels[chan_num]; struct sram_channel *channel = dev->channels[chan_num].sram_channels;
mask = cx_read(channel->int_msk); mask = cx_read(channel->int_msk);
if (0 == (status & mask)) if (0 == (status & mask))
...@@ -404,7 +410,8 @@ int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status) ...@@ -404,7 +410,8 @@ int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status)
if (status & FLD_VID_DST_RISC1) { if (status & FLD_VID_DST_RISC1) {
spin_lock(&dev->slock); spin_lock(&dev->slock);
count = cx_read(channel->gpcnt); count = cx_read(channel->gpcnt);
cx25821_video_wakeup(dev, &dev->vidq[channel->i], count); cx25821_video_wakeup(dev,
&dev->channels[channel->i].vidq, count);
spin_unlock(&dev->slock); spin_unlock(&dev->slock);
handled++; handled++;
} }
...@@ -413,7 +420,8 @@ int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status) ...@@ -413,7 +420,8 @@ int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status)
if (status & 0x10) { if (status & 0x10) {
dprintk(2, "stopper video\n"); dprintk(2, "stopper video\n");
spin_lock(&dev->slock); spin_lock(&dev->slock);
cx25821_restart_video_queue(dev, &dev->vidq[channel->i], cx25821_restart_video_queue(dev,
&dev->channels[channel->i].vidq,
channel); channel);
spin_unlock(&dev->slock); spin_unlock(&dev->slock);
handled++; handled++;
...@@ -437,72 +445,95 @@ void cx25821_video_unregister(struct cx25821_dev *dev, int chan_num) ...@@ -437,72 +445,95 @@ void cx25821_video_unregister(struct cx25821_dev *dev, int chan_num)
{ {
cx_clear(PCI_INT_MSK, 1); cx_clear(PCI_INT_MSK, 1);
if (dev->video_dev[chan_num]) { if (dev->channels[chan_num].video_dev) {
if (video_is_registered(dev->video_dev[chan_num])) if (video_is_registered(dev->channels[chan_num].video_dev))
video_unregister_device(dev->video_dev[chan_num]); video_unregister_device(
dev->channels[chan_num].video_dev);
else else
video_device_release(dev->video_dev[chan_num]); video_device_release(
dev->channels[chan_num].video_dev);
dev->video_dev[chan_num] = NULL; dev->channels[chan_num].video_dev = NULL;
btcx_riscmem_free(dev->pci, &dev->vidq[chan_num].stopper); btcx_riscmem_free(dev->pci,
&dev->channels[chan_num].vidq.stopper);
printk(KERN_WARNING "device %d released!\n", chan_num); printk(KERN_WARNING "device %d released!\n", chan_num);
} }
} }
int cx25821_video_register(struct cx25821_dev *dev, int chan_num, int cx25821_video_register(struct cx25821_dev *dev)
struct video_device *video_template)
{ {
int err; int err;
int i;
struct video_device cx25821_video_device = {
.name = "cx25821-video",
.fops = &video_fops,
.minor = -1,
.ioctl_ops = &video_ioctl_ops,
.tvnorms = CX25821_NORMS,
.current_norm = V4L2_STD_NTSC_M,
};
spin_lock_init(&dev->slock); spin_lock_init(&dev->slock);
//printk(KERN_WARNING "Channel %d\n", chan_num); for (i = 0; i < MAX_VID_CHANNEL_NUM - 1; ++i) {
cx25821_init_controls(dev, i);
#ifdef TUNER_FLAG cx25821_risc_stopper(dev->pci,
dev->tvnorm = video_template->current_norm; &dev->channels[i].vidq.stopper,
#endif dev->channels[i].sram_channels->dma_ctl,
0x11, 0);
dev->channels[i].sram_channels = &cx25821_sram_channels[i];
dev->channels[i].video_dev = NULL;
dev->channels[i].resources = 0;
cx_write(dev->channels[i].sram_channels->int_stat,
0xffffffff);
INIT_LIST_HEAD(&dev->channels[i].vidq.active);
INIT_LIST_HEAD(&dev->channels[i].vidq.queued);
/* init video dma queues */ dev->channels[i].timeout_data.dev = dev;
dev->timeout_data[chan_num].dev = dev; dev->channels[i].timeout_data.channel =
dev->timeout_data[chan_num].channel = &dev->sram_channels[chan_num]; &cx25821_sram_channels[i];
INIT_LIST_HEAD(&dev->vidq[chan_num].active); dev->channels[i].vidq.timeout.function =
INIT_LIST_HEAD(&dev->vidq[chan_num].queued); cx25821_vid_timeout;
dev->vidq[chan_num].timeout.function = cx25821_vid_timeout; dev->channels[i].vidq.timeout.data =
dev->vidq[chan_num].timeout.data = (unsigned long)&dev->channels[i].timeout_data;
(unsigned long)&dev->timeout_data[chan_num]; init_timer(&dev->channels[i].vidq.timeout);
init_timer(&dev->vidq[chan_num].timeout);
cx25821_risc_stopper(dev->pci, &dev->vidq[chan_num].stopper,
dev->sram_channels[chan_num].dma_ctl, 0x11, 0);
/* register v4l devices */ /* register v4l devices */
dev->video_dev[chan_num] = dev->channels[i].video_dev = cx25821_vdev_init(dev,
cx25821_vdev_init(dev, dev->pci, video_template, "video"); dev->pci, &cx25821_video_device, "video");
err =
video_register_device(dev->video_dev[chan_num], VFL_TYPE_GRABBER,
video_nr[dev->nr]);
if (err < 0) { err = video_register_device(dev->channels[i].video_dev,
VFL_TYPE_GRABBER, video_nr[dev->nr]);
if (err < 0)
goto fail_unreg; goto fail_unreg;
} }
//set PCI interrupt
/* set PCI interrupt */
cx_set(PCI_INT_MSK, 0xff); cx_set(PCI_INT_MSK, 0xff);
/* initial device configuration */ /* initial device configuration */
mutex_lock(&dev->lock); mutex_lock(&dev->lock);
#ifdef TUNER_FLAG #ifdef TUNER_FLAG
dev->tvnorm = cx25821_video_device.current_norm;
cx25821_set_tvnorm(dev, dev->tvnorm); cx25821_set_tvnorm(dev, dev->tvnorm);
#endif #endif
mutex_unlock(&dev->lock); mutex_unlock(&dev->lock);
init_controls(dev, chan_num);
return 0; return 0;
fail_unreg: fail_unreg:
cx25821_video_unregister(dev, chan_num); cx25821_video_unregister(dev, i);
return err; return err;
} }
...@@ -533,7 +564,7 @@ int cx25821_buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, ...@@ -533,7 +564,7 @@ int cx25821_buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
u32 line0_offset, line1_offset; u32 line0_offset, line1_offset;
struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb); struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb);
int bpl_local = LINE_SIZE_D1; int bpl_local = LINE_SIZE_D1;
int channel_opened = 0; int channel_opened = fh->channel_id;
BUG_ON(NULL == fh->fmt); BUG_ON(NULL == fh->fmt);
if (fh->width < 48 || fh->width > 720 || if (fh->width < 48 || fh->width > 720 ||
...@@ -572,25 +603,28 @@ int cx25821_buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, ...@@ -572,25 +603,28 @@ int cx25821_buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
channel_opened = (channel_opened < 0 channel_opened = (channel_opened < 0
|| channel_opened > 7) ? 7 : channel_opened; || channel_opened > 7) ? 7 : channel_opened;
if (dev->pixel_formats[channel_opened] == PIXEL_FRMT_411) if (dev->channels[channel_opened]
.pixel_formats == PIXEL_FRMT_411)
buf->bpl = (buf->fmt->depth * buf->vb.width) >> 3; buf->bpl = (buf->fmt->depth * buf->vb.width) >> 3;
else else
buf->bpl = (buf->fmt->depth >> 3) * (buf->vb.width); buf->bpl = (buf->fmt->depth >> 3) * (buf->vb.width);
if (dev->pixel_formats[channel_opened] == PIXEL_FRMT_411) { if (dev->channels[channel_opened]
.pixel_formats == PIXEL_FRMT_411) {
bpl_local = buf->bpl; bpl_local = buf->bpl;
} else { } else {
bpl_local = buf->bpl; //Default bpl_local = buf->bpl; /* Default */
if (channel_opened >= 0 && channel_opened <= 7) { if (channel_opened >= 0 && channel_opened <= 7) {
if (dev->use_cif_resolution[channel_opened]) { if (dev->channels[channel_opened]
.use_cif_resolution) {
if (dev->tvnorm & V4L2_STD_PAL_BG if (dev->tvnorm & V4L2_STD_PAL_BG
|| dev->tvnorm & V4L2_STD_PAL_DK) || dev->tvnorm & V4L2_STD_PAL_DK)
bpl_local = 352 << 1; bpl_local = 352 << 1;
else else
bpl_local = bpl_local =
dev-> dev->channels[channel_opened].
cif_width[channel_opened] << cif_width <<
1; 1;
} }
} }
...@@ -685,6 +719,383 @@ int cx25821_video_mmap(struct file *file, struct vm_area_struct *vma) ...@@ -685,6 +719,383 @@ int cx25821_video_mmap(struct file *file, struct vm_area_struct *vma)
return videobuf_mmap_mapper(get_queue(fh), vma); return videobuf_mmap_mapper(get_queue(fh), vma);
} }
static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
{
struct cx25821_buffer *buf =
container_of(vb, struct cx25821_buffer, vb);
struct cx25821_buffer *prev;
struct cx25821_fh *fh = vq->priv_data;
struct cx25821_dev *dev = fh->dev;
struct cx25821_dmaqueue *q = &dev->channels[fh->channel_id].vidq;
/* add jump to stopper */
buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
if (!list_empty(&q->queued)) {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf,
buf->vb.i);
} else if (list_empty(&q->active)) {
list_add_tail(&buf->vb.queue, &q->active);
cx25821_start_video_dma(dev, q, buf,
dev->channels[fh->channel_id].
sram_channels);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
dprintk(2,
"[%p/%d] buffer_queue - first active, buf cnt = %d, \
q->count = %d\n",
buf, buf->vb.i, buf->count, q->count);
} else {
prev =
list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
if (prev->vb.width == buf->vb.width
&& prev->vb.height == buf->vb.height
&& prev->fmt == buf->fmt) {
list_add_tail(&buf->vb.queue, &q->active);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
/* 64 bit bits 63-32 */
prev->risc.jmp[2] = cpu_to_le32(0);
dprintk(2,
"[%p/%d] buffer_queue - append to active, \
buf->count=%d\n",
buf, buf->vb.i, buf->count);
} else {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf,
buf->vb.i);
}
}
if (list_empty(&q->active))
dprintk(2, "active queue empty!\n");
}
static struct videobuf_queue_ops cx25821_video_qops = {
.buf_setup = cx25821_buffer_setup,
.buf_prepare = cx25821_buffer_prepare,
.buf_queue = buffer_queue,
.buf_release = cx25821_buffer_release,
};
static int video_open(struct file *file)
{
struct video_device *vdev = video_devdata(file);
struct cx25821_dev *h, *dev = video_drvdata(file);
struct cx25821_fh *fh;
struct list_head *list;
int minor = video_devdata(file)->minor;
enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
u32 pix_format;
int ch_id = 0;
int i;
dprintk(1, "open dev=%s type=%s\n",
video_device_node_name(vdev),
v4l2_type_names[type]);
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
if (NULL == fh)
return -ENOMEM;
lock_kernel();
list_for_each(list, &cx25821_devlist)
{
h = list_entry(list, struct cx25821_dev, devlist);
for (i = 0; i < MAX_VID_CHANNEL_NUM; i++) {
if (h->channels[i].video_dev &&
h->channels[i].video_dev->minor == minor) {
dev = h;
ch_id = i;
type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
}
}
}
if (NULL == dev) {
unlock_kernel();
return -ENODEV;
}
file->private_data = fh;
fh->dev = dev;
fh->type = type;
fh->width = 720;
fh->channel_id = ch_id;
if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
fh->height = 576;
else
fh->height = 480;
dev->channel_opened = fh->channel_id;
pix_format =
(dev->channels[ch_id].pixel_formats ==
PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV;
fh->fmt = format_by_fourcc(pix_format);
v4l2_prio_open(&dev->channels[ch_id].prio, &fh->prio);
videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
&dev->pci->dev, &dev->slock,
V4L2_BUF_TYPE_VIDEO_CAPTURE,
V4L2_FIELD_INTERLACED,
sizeof(struct cx25821_buffer), fh);
dprintk(1, "post videobuf_queue_init()\n");
unlock_kernel();
return 0;
}
static ssize_t video_read(struct file *file, char __user * data, size_t count,
loff_t *ppos)
{
struct cx25821_fh *fh = file->private_data;
switch (fh->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
if (cx25821_res_locked(fh, RESOURCE_VIDEO0))
return -EBUSY;
return videobuf_read_one(&fh->vidq, data, count, ppos,
file->f_flags & O_NONBLOCK);
default:
BUG();
return 0;
}
}
static unsigned int video_poll(struct file *file,
struct poll_table_struct *wait)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_buffer *buf;
if (cx25821_res_check(fh, RESOURCE_VIDEO0)) {
/* streaming capture */
if (list_empty(&fh->vidq.stream))
return POLLERR;
buf = list_entry(fh->vidq.stream.next,
struct cx25821_buffer, vb.stream);
} else {
/* read() capture */
buf = (struct cx25821_buffer *)fh->vidq.read_buf;
if (NULL == buf)
return POLLERR;
}
poll_wait(file, &buf->vb.done, wait);
if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) {
if (buf->vb.state == VIDEOBUF_DONE) {
struct cx25821_dev *dev = fh->dev;
if (dev && dev->channels[fh->channel_id]
.use_cif_resolution) {
u8 cam_id = *((char *)buf->vb.baddr + 3);
memcpy((char *)buf->vb.baddr,
(char *)buf->vb.baddr + (fh->width * 2),
(fh->width * 2));
*((char *)buf->vb.baddr + 3) = cam_id;
}
}
return POLLIN | POLLRDNORM;
}
return 0;
}
static int video_release(struct file *file)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_dev *dev = fh->dev;
/* stop the risc engine and fifo */
cx_write(channel0->dma_ctl, 0); /* FIFO and RISC disable */
/* stop video capture */
if (cx25821_res_check(fh, RESOURCE_VIDEO0)) {
videobuf_queue_cancel(&fh->vidq);
cx25821_res_free(dev, fh, RESOURCE_VIDEO0);
}
if (fh->vidq.read_buf) {
cx25821_buffer_release(&fh->vidq, fh->vidq.read_buf);
kfree(fh->vidq.read_buf);
}
videobuf_mmap_free(&fh->vidq);
v4l2_prio_close(&dev->channels[fh->channel_id].prio, fh->prio);
file->private_data = NULL;
kfree(fh);
return 0;
}
static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE))
return -EINVAL;
if (unlikely(i != fh->type))
return -EINVAL;
if (unlikely(!cx25821_res_get(dev, fh,
cx25821_get_resource(fh, RESOURCE_VIDEO0))))
return -EBUSY;
return videobuf_streamon(get_queue(fh));
}
static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
int err, res;
if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
if (i != fh->type)
return -EINVAL;
res = cx25821_get_resource(fh, RESOURCE_VIDEO0);
err = videobuf_streamoff(get_queue(fh));
if (err < 0)
return err;
cx25821_res_free(dev, fh, res);
return 0;
}
static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
int pix_format = PIXEL_FRMT_422;
if (fh) {
err = v4l2_prio_check(&dev->channels[fh->channel_id]
.prio, fh->prio);
if (0 != err)
return err;
}
dprintk(2, "%s()\n", __func__);
err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
if (0 != err)
return err;
fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
fh->vidq.field = f->fmt.pix.field;
/* check if width and height is valid based on set standard */
if (cx25821_is_valid_width(f->fmt.pix.width, dev->tvnorm))
fh->width = f->fmt.pix.width;
if (cx25821_is_valid_height(f->fmt.pix.height, dev->tvnorm))
fh->height = f->fmt.pix.height;
if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P)
pix_format = PIXEL_FRMT_411;
else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
pix_format = PIXEL_FRMT_422;
else
return -EINVAL;
cx25821_set_pixel_format(dev, SRAM_CH00, pix_format);
/* check if cif resolution */
if (fh->width == 320 || fh->width == 352)
dev->channels[fh->channel_id].use_cif_resolution = 1;
else
dev->channels[fh->channel_id].use_cif_resolution = 0;
dev->channels[fh->channel_id].cif_width = fh->width;
medusa_set_resolution(dev, fh->width, SRAM_CH00);
dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width,
fh->height, fh->vidq.field);
cx25821_call_all(dev, video, s_fmt, f);
return 0;
}
static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
{
int ret_val = 0;
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
p->sequence = dev->channels[fh->channel_id].vidq.count;
return ret_val;
}
static int vidioc_log_status(struct file *file, void *priv)
{
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
struct cx25821_fh *fh = priv;
char name[32 + 2];
struct sram_channel *sram_ch = dev->channels[fh->channel_id]
.sram_channels;
u32 tmp = 0;
snprintf(name, sizeof(name), "%s/2", dev->name);
printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n",
dev->name);
cx25821_call_all(dev, core, log_status);
tmp = cx_read(sram_ch->dma_ctl);
printk(KERN_INFO "Video input 0 is %s\n",
(tmp & 0x11) ? "streaming" : "stopped");
printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n",
dev->name);
return 0;
}
static int vidioc_s_ctrl(struct file *file, void *priv,
struct v4l2_control *ctl)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
if (fh) {
err = v4l2_prio_check(&dev->channels[fh->channel_id]
.prio, fh->prio);
if (0 != err)
return err;
}
return cx25821_set_control(dev, ctl, fh->channel_id);
}
/* VIDEO IOCTLS */ /* VIDEO IOCTLS */
int cx25821_vidioc_g_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) int cx25821_vidioc_g_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f)
{ {
...@@ -822,8 +1233,9 @@ int cx25821_vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p) ...@@ -822,8 +1233,9 @@ int cx25821_vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p)
int cx25821_vidioc_g_priority(struct file *file, void *f, enum v4l2_priority *p) int cx25821_vidioc_g_priority(struct file *file, void *f, enum v4l2_priority *p)
{ {
struct cx25821_dev *dev = ((struct cx25821_fh *)f)->dev; struct cx25821_dev *dev = ((struct cx25821_fh *)f)->dev;
struct cx25821_fh *fh = f;
*p = v4l2_prio_max(&dev->prio); *p = v4l2_prio_max(&dev->channels[fh->channel_id].prio);
return 0; return 0;
} }
...@@ -833,7 +1245,8 @@ int cx25821_vidioc_s_priority(struct file *file, void *f, enum v4l2_priority pri ...@@ -833,7 +1245,8 @@ int cx25821_vidioc_s_priority(struct file *file, void *f, enum v4l2_priority pri
struct cx25821_fh *fh = f; struct cx25821_fh *fh = f;
struct cx25821_dev *dev = ((struct cx25821_fh *)f)->dev; struct cx25821_dev *dev = ((struct cx25821_fh *)f)->dev;
return v4l2_prio_change(&dev->prio, &fh->prio, prio); return v4l2_prio_change(&dev->channels[fh->channel_id]
.prio, &fh->prio, prio);
} }
#ifdef TUNER_FLAG #ifdef TUNER_FLAG
...@@ -846,7 +1259,8 @@ int cx25821_vidioc_s_std(struct file *file, void *priv, v4l2_std_id * tvnorms) ...@@ -846,7 +1259,8 @@ int cx25821_vidioc_s_std(struct file *file, void *priv, v4l2_std_id * tvnorms)
dprintk(1, "%s()\n", __func__); dprintk(1, "%s()\n", __func__);
if (fh) { if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio); err = v4l2_prio_check(&dev->channels[fh->channel_id]
.prio, fh->prio);
if (0 != err) if (0 != err)
return err; return err;
} }
...@@ -916,7 +1330,8 @@ int cx25821_vidioc_s_input(struct file *file, void *priv, unsigned int i) ...@@ -916,7 +1330,8 @@ int cx25821_vidioc_s_input(struct file *file, void *priv, unsigned int i)
dprintk(1, "%s(%d)\n", __func__, i); dprintk(1, "%s(%d)\n", __func__, i);
if (fh) { if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio); err = v4l2_prio_check(&dev->channels[fh->channel_id]
.prio, fh->prio);
if (0 != err) if (0 != err)
return err; return err;
} }
...@@ -967,9 +1382,14 @@ int cx25821_vidioc_s_frequency(struct file *file, void *priv, struct v4l2_freque ...@@ -967,9 +1382,14 @@ int cx25821_vidioc_s_frequency(struct file *file, void *priv, struct v4l2_freque
int err; int err;
if (fh) { if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio); dev = fh->dev;
err = v4l2_prio_check(&dev->channels[fh->channel_id]
.prio, fh->prio);
if (0 != err) if (0 != err)
return err; return err;
} else {
printk(KERN_ERR "Invalid fh pointer!\n");
return -EINVAL;
} }
return cx25821_set_freq(dev, f); return cx25821_set_freq(dev, f);
...@@ -1031,7 +1451,8 @@ int cx25821_vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t) ...@@ -1031,7 +1451,8 @@ int cx25821_vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
int err; int err;
if (fh) { if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio); err = v4l2_prio_check(&dev->channels[fh->channel_id]
.prio, fh->prio);
if (0 != err) if (0 != err)
return err; return err;
} }
...@@ -1046,7 +1467,7 @@ int cx25821_vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t) ...@@ -1046,7 +1467,7 @@ int cx25821_vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
} }
#endif #endif
// ****************************************************************************************** /*****************************************************************************/
static const struct v4l2_queryctrl no_ctl = { static const struct v4l2_queryctrl no_ctl = {
.name = "42", .name = "42",
.flags = V4L2_CTRL_FLAG_DISABLED, .flags = V4L2_CTRL_FLAG_DISABLED,
...@@ -1129,6 +1550,7 @@ static const struct v4l2_queryctrl *ctrl_by_id(unsigned int id) ...@@ -1129,6 +1550,7 @@ static const struct v4l2_queryctrl *ctrl_by_id(unsigned int id)
int cx25821_vidioc_g_ctrl(struct file *file, void *priv, struct v4l2_control *ctl) int cx25821_vidioc_g_ctrl(struct file *file, void *priv, struct v4l2_control *ctl)
{ {
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
struct cx25821_fh *fh = priv;
const struct v4l2_queryctrl *ctrl; const struct v4l2_queryctrl *ctrl;
...@@ -1138,16 +1560,16 @@ int cx25821_vidioc_g_ctrl(struct file *file, void *priv, struct v4l2_control *ct ...@@ -1138,16 +1560,16 @@ int cx25821_vidioc_g_ctrl(struct file *file, void *priv, struct v4l2_control *ct
return -EINVAL; return -EINVAL;
switch (ctl->id) { switch (ctl->id) {
case V4L2_CID_BRIGHTNESS: case V4L2_CID_BRIGHTNESS:
ctl->value = dev->ctl_bright; ctl->value = dev->channels[fh->channel_id].ctl_bright;
break; break;
case V4L2_CID_HUE: case V4L2_CID_HUE:
ctl->value = dev->ctl_hue; ctl->value = dev->channels[fh->channel_id].ctl_hue;
break; break;
case V4L2_CID_CONTRAST: case V4L2_CID_CONTRAST:
ctl->value = dev->ctl_contrast; ctl->value = dev->channels[fh->channel_id].ctl_contrast;
break; break;
case V4L2_CID_SATURATION: case V4L2_CID_SATURATION:
ctl->value = dev->ctl_saturation; ctl->value = dev->channels[fh->channel_id].ctl_saturation;
break; break;
} }
return 0; return 0;
...@@ -1181,19 +1603,19 @@ int cx25821_set_control(struct cx25821_dev *dev, ...@@ -1181,19 +1603,19 @@ int cx25821_set_control(struct cx25821_dev *dev,
switch (ctl->id) { switch (ctl->id) {
case V4L2_CID_BRIGHTNESS: case V4L2_CID_BRIGHTNESS:
dev->ctl_bright = ctl->value; dev->channels[chan_num].ctl_bright = ctl->value;
medusa_set_brightness(dev, ctl->value, chan_num); medusa_set_brightness(dev, ctl->value, chan_num);
break; break;
case V4L2_CID_HUE: case V4L2_CID_HUE:
dev->ctl_hue = ctl->value; dev->channels[chan_num].ctl_hue = ctl->value;
medusa_set_hue(dev, ctl->value, chan_num); medusa_set_hue(dev, ctl->value, chan_num);
break; break;
case V4L2_CID_CONTRAST: case V4L2_CID_CONTRAST:
dev->ctl_contrast = ctl->value; dev->channels[chan_num].ctl_contrast = ctl->value;
medusa_set_contrast(dev, ctl->value, chan_num); medusa_set_contrast(dev, ctl->value, chan_num);
break; break;
case V4L2_CID_SATURATION: case V4L2_CID_SATURATION:
dev->ctl_saturation = ctl->value; dev->channels[chan_num].ctl_saturation = ctl->value;
medusa_set_saturation(dev, ctl->value, chan_num); medusa_set_saturation(dev, ctl->value, chan_num);
break; break;
} }
...@@ -1203,7 +1625,7 @@ int cx25821_set_control(struct cx25821_dev *dev, ...@@ -1203,7 +1625,7 @@ int cx25821_set_control(struct cx25821_dev *dev,
return err; return err;
} }
static void init_controls(struct cx25821_dev *dev, int chan_num) static void cx25821_init_controls(struct cx25821_dev *dev, int chan_num)
{ {
struct v4l2_control ctrl; struct v4l2_control ctrl;
int i; int i;
...@@ -1239,23 +1661,24 @@ int cx25821_vidioc_s_crop(struct file *file, void *priv, struct v4l2_crop *crop) ...@@ -1239,23 +1661,24 @@ int cx25821_vidioc_s_crop(struct file *file, void *priv, struct v4l2_crop *crop)
int err; int err;
if (fh) { if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio); err = v4l2_prio_check(&dev->channels[fh->channel_id].
prio, fh->prio);
if (0 != err) if (0 != err)
return err; return err;
} }
// cx25821_vidioc_s_crop not supported /* cx25821_vidioc_s_crop not supported */
return -EINVAL; return -EINVAL;
} }
int cx25821_vidioc_g_crop(struct file *file, void *priv, struct v4l2_crop *crop) int cx25821_vidioc_g_crop(struct file *file, void *priv, struct v4l2_crop *crop)
{ {
// cx25821_vidioc_g_crop not supported /* cx25821_vidioc_g_crop not supported */
return -EINVAL; return -EINVAL;
} }
int cx25821_vidioc_querystd(struct file *file, void *priv, v4l2_std_id * norm) int cx25821_vidioc_querystd(struct file *file, void *priv, v4l2_std_id * norm)
{ {
// medusa does not support video standard sensing of current input /* medusa does not support video standard sensing of current input */
*norm = CX25821_NORMS; *norm = CX25821_NORMS;
return 0; return 0;
...@@ -1297,3 +1720,325 @@ int cx25821_is_valid_height(u32 height, v4l2_std_id tvnorm) ...@@ -1297,3 +1720,325 @@ int cx25821_is_valid_height(u32 height, v4l2_std_id tvnorm)
return 0; return 0;
} }
static long video_ioctl_upstream9(struct file *file, unsigned int cmd,
unsigned long arg)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_dev *dev = fh->dev;
int command = 0;
struct upstream_user_struct *data_from_user;
data_from_user = (struct upstream_user_struct *)arg;
if (!data_from_user) {
printk
("cx25821 in %s(): Upstream data is INVALID. Returning.\n",
__func__);
return 0;
}
command = data_from_user->command;
if (command != UPSTREAM_START_VIDEO &&
command != UPSTREAM_STOP_VIDEO)
return 0;
dev->input_filename = data_from_user->input_filename;
dev->input_audiofilename = data_from_user->input_filename;
dev->vid_stdname = data_from_user->vid_stdname;
dev->pixel_format = data_from_user->pixel_format;
dev->channel_select = data_from_user->channel_select;
dev->command = data_from_user->command;
switch (command) {
case UPSTREAM_START_VIDEO:
cx25821_start_upstream_video_ch1(dev, data_from_user);
break;
case UPSTREAM_STOP_VIDEO:
cx25821_stop_upstream_video_ch1(dev);
break;
}
return 0;
}
static long video_ioctl_upstream10(struct file *file, unsigned int cmd,
unsigned long arg)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_dev *dev = fh->dev;
int command = 0;
struct upstream_user_struct *data_from_user;
data_from_user = (struct upstream_user_struct *)arg;
if (!data_from_user) {
printk
("cx25821 in %s(): Upstream data is INVALID. Returning.\n",
__func__);
return 0;
}
command = data_from_user->command;
if (command != UPSTREAM_START_VIDEO &&
command != UPSTREAM_STOP_VIDEO)
return 0;
dev->input_filename_ch2 = data_from_user->input_filename;
dev->input_audiofilename = data_from_user->input_filename;
dev->vid_stdname_ch2 = data_from_user->vid_stdname;
dev->pixel_format_ch2 = data_from_user->pixel_format;
dev->channel_select_ch2 = data_from_user->channel_select;
dev->command_ch2 = data_from_user->command;
switch (command) {
case UPSTREAM_START_VIDEO:
cx25821_start_upstream_video_ch2(dev, data_from_user);
break;
case UPSTREAM_STOP_VIDEO:
cx25821_stop_upstream_video_ch2(dev);
break;
}
return 0;
}
static long video_ioctl_upstream11(struct file *file, unsigned int cmd,
unsigned long arg)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_dev *dev = fh->dev;
int command = 0;
struct upstream_user_struct *data_from_user;
data_from_user = (struct upstream_user_struct *)arg;
if (!data_from_user) {
printk
("cx25821 in %s(): Upstream data is INVALID. Returning.\n",
__func__);
return 0;
}
command = data_from_user->command;
if (command != UPSTREAM_START_AUDIO &&
command != UPSTREAM_STOP_AUDIO)
return 0;
dev->input_filename = data_from_user->input_filename;
dev->input_audiofilename = data_from_user->input_filename;
dev->vid_stdname = data_from_user->vid_stdname;
dev->pixel_format = data_from_user->pixel_format;
dev->channel_select = data_from_user->channel_select;
dev->command = data_from_user->command;
switch (command) {
case UPSTREAM_START_AUDIO:
cx25821_start_upstream_audio(dev, data_from_user);
break;
case UPSTREAM_STOP_AUDIO:
cx25821_stop_upstream_audio(dev);
break;
}
return 0;
}
static long video_ioctl_set(struct file *file, unsigned int cmd,
unsigned long arg)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_dev *dev = fh->dev;
struct downstream_user_struct *data_from_user;
int command;
int width = 720;
int selected_channel = 0, pix_format = 0, i = 0;
int cif_enable = 0, cif_width = 0;
u32 value = 0;
data_from_user = (struct downstream_user_struct *)arg;
if (!data_from_user) {
printk(
"cx25821 in %s(): User data is INVALID. Returning.\n",
__func__);
return 0;
}
command = data_from_user->command;
if (command != SET_VIDEO_STD && command != SET_PIXEL_FORMAT
&& command != ENABLE_CIF_RESOLUTION && command != REG_READ
&& command != REG_WRITE && command != MEDUSA_READ
&& command != MEDUSA_WRITE) {
return 0;
}
switch (command) {
case SET_VIDEO_STD:
dev->tvnorm =
!strcmp(data_from_user->vid_stdname,
"PAL") ? V4L2_STD_PAL_BG : V4L2_STD_NTSC_M;
medusa_set_videostandard(dev);
break;
case SET_PIXEL_FORMAT:
selected_channel = data_from_user->decoder_select;
pix_format = data_from_user->pixel_format;
if (!(selected_channel <= 7 && selected_channel >= 0)) {
selected_channel -= 4;
selected_channel = selected_channel % 8;
}
if (selected_channel >= 0)
cx25821_set_pixel_format(dev, selected_channel,
pix_format);
break;
case ENABLE_CIF_RESOLUTION:
selected_channel = data_from_user->decoder_select;
cif_enable = data_from_user->cif_resolution_enable;
cif_width = data_from_user->cif_width;
if (cif_enable) {
if (dev->tvnorm & V4L2_STD_PAL_BG
|| dev->tvnorm & V4L2_STD_PAL_DK)
width = 352;
else
width = (cif_width == 320
|| cif_width == 352) ? cif_width : 320;
}
if (!(selected_channel <= 7 && selected_channel >= 0)) {
selected_channel -= 4;
selected_channel = selected_channel % 8;
}
if (selected_channel <= 7 && selected_channel >= 0) {
dev->channels[selected_channel].
use_cif_resolution = cif_enable;
dev->channels[selected_channel].cif_width = width;
} else {
for (i = 0; i < VID_CHANNEL_NUM; i++) {
dev->channels[i].use_cif_resolution =
cif_enable;
dev->channels[i].cif_width = width;
}
}
medusa_set_resolution(dev, width, selected_channel);
break;
case REG_READ:
data_from_user->reg_data = cx_read(data_from_user->reg_address);
break;
case REG_WRITE:
cx_write(data_from_user->reg_address, data_from_user->reg_data);
break;
case MEDUSA_READ:
value =
cx25821_i2c_read(&dev->i2c_bus[0],
(u16) data_from_user->reg_address,
&data_from_user->reg_data);
break;
case MEDUSA_WRITE:
cx25821_i2c_write(&dev->i2c_bus[0],
(u16) data_from_user->reg_address,
data_from_user->reg_data);
break;
}
return 0;
}
static long cx25821_video_ioctl(struct file *file,
unsigned int cmd, unsigned long arg)
{
int ret = 0;
struct cx25821_fh *fh = file->private_data;
/* check to see if it's the video upstream */
if (fh->channel_id == SRAM_CH09) {
ret = video_ioctl_upstream9(file, cmd, arg);
return ret;
} else if (fh->channel_id == SRAM_CH10) {
ret = video_ioctl_upstream10(file, cmd, arg);
return ret;
} else if (fh->channel_id == SRAM_CH11) {
ret = video_ioctl_upstream11(file, cmd, arg);
ret = video_ioctl_set(file, cmd, arg);
return ret;
}
return video_ioctl2(file, cmd, arg);
}
/* exported stuff */
static const struct v4l2_file_operations video_fops = {
.owner = THIS_MODULE,
.open = video_open,
.release = video_release,
.read = video_read,
.poll = video_poll,
.mmap = cx25821_video_mmap,
.ioctl = cx25821_video_ioctl,
};
static const struct v4l2_ioctl_ops video_ioctl_ops = {
.vidioc_querycap = cx25821_vidioc_querycap,
.vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap,
.vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap,
.vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
.vidioc_reqbufs = cx25821_vidioc_reqbufs,
.vidioc_querybuf = cx25821_vidioc_querybuf,
.vidioc_qbuf = cx25821_vidioc_qbuf,
.vidioc_dqbuf = vidioc_dqbuf,
#ifdef TUNER_FLAG
.vidioc_s_std = cx25821_vidioc_s_std,
.vidioc_querystd = cx25821_vidioc_querystd,
#endif
.vidioc_cropcap = cx25821_vidioc_cropcap,
.vidioc_s_crop = cx25821_vidioc_s_crop,
.vidioc_g_crop = cx25821_vidioc_g_crop,
.vidioc_enum_input = cx25821_vidioc_enum_input,
.vidioc_g_input = cx25821_vidioc_g_input,
.vidioc_s_input = cx25821_vidioc_s_input,
.vidioc_g_ctrl = cx25821_vidioc_g_ctrl,
.vidioc_s_ctrl = vidioc_s_ctrl,
.vidioc_queryctrl = cx25821_vidioc_queryctrl,
.vidioc_streamon = vidioc_streamon,
.vidioc_streamoff = vidioc_streamoff,
.vidioc_log_status = vidioc_log_status,
.vidioc_g_priority = cx25821_vidioc_g_priority,
.vidioc_s_priority = cx25821_vidioc_s_priority,
#ifdef CONFIG_VIDEO_V4L1_COMPAT
.vidiocgmbuf = cx25821_vidiocgmbuf,
#endif
#ifdef TUNER_FLAG
.vidioc_g_tuner = cx25821_vidioc_g_tuner,
.vidioc_s_tuner = cx25821_vidioc_s_tuner,
.vidioc_g_frequency = cx25821_vidioc_g_frequency,
.vidioc_s_frequency = cx25821_vidioc_s_frequency,
#endif
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_register = cx25821_vidioc_g_register,
.vidioc_s_register = cx25821_vidioc_s_register,
#endif
};
struct video_device cx25821_videoioctl_template = {
.name = "cx25821-videoioctl",
.fops = &video_fops,
.ioctl_ops = &video_ioctl_ops,
.tvnorms = CX25821_NORMS,
.current_norm = V4L2_STD_NTSC_M,
};
drivers/staging/cx25821/cx25821-video.h
View file @ 6d8c2ba1
...@@ -80,17 +80,6 @@ extern struct sram_channel *channel7; ...@@ -80,17 +80,6 @@ extern struct sram_channel *channel7;
extern struct sram_channel *channel9; extern struct sram_channel *channel9;
extern struct sram_channel *channel10; extern struct sram_channel *channel10;
extern struct sram_channel *channel11; extern struct sram_channel *channel11;
extern struct video_device cx25821_video_template0;
extern struct video_device cx25821_video_template1;
extern struct video_device cx25821_video_template2;
extern struct video_device cx25821_video_template3;
extern struct video_device cx25821_video_template4;
extern struct video_device cx25821_video_template5;
extern struct video_device cx25821_video_template6;
extern struct video_device cx25821_video_template7;
extern struct video_device cx25821_video_template9;
extern struct video_device cx25821_video_template10;
extern struct video_device cx25821_video_template11;
extern struct video_device cx25821_videoioctl_template; extern struct video_device cx25821_videoioctl_template;
//extern const u32 *ctrl_classes[]; //extern const u32 *ctrl_classes[];
...@@ -113,7 +102,7 @@ extern int cx25821_set_tvnorm(struct cx25821_dev *dev, v4l2_std_id norm); ...@@ -113,7 +102,7 @@ extern int cx25821_set_tvnorm(struct cx25821_dev *dev, v4l2_std_id norm);
extern int cx25821_res_get(struct cx25821_dev *dev, struct cx25821_fh *fh, extern int cx25821_res_get(struct cx25821_dev *dev, struct cx25821_fh *fh,
unsigned int bit); unsigned int bit);
extern int cx25821_res_check(struct cx25821_fh *fh, unsigned int bit); extern int cx25821_res_check(struct cx25821_fh *fh, unsigned int bit);
extern int cx25821_res_locked(struct cx25821_dev *dev, unsigned int bit); extern int cx25821_res_locked(struct cx25821_fh *fh, unsigned int bit);
extern void cx25821_res_free(struct cx25821_dev *dev, struct cx25821_fh *fh, extern void cx25821_res_free(struct cx25821_dev *dev, struct cx25821_fh *fh,
unsigned int bits); unsigned int bits);
extern int cx25821_video_mux(struct cx25821_dev *dev, unsigned int input); extern int cx25821_video_mux(struct cx25821_dev *dev, unsigned int input);
...@@ -126,8 +115,7 @@ extern int cx25821_set_scale(struct cx25821_dev *dev, unsigned int width, ...@@ -126,8 +115,7 @@ extern int cx25821_set_scale(struct cx25821_dev *dev, unsigned int width,
unsigned int height, enum v4l2_field field); unsigned int height, enum v4l2_field field);
extern int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status); extern int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status);
extern void cx25821_video_unregister(struct cx25821_dev *dev, int chan_num); extern void cx25821_video_unregister(struct cx25821_dev *dev, int chan_num);
extern int cx25821_video_register(struct cx25821_dev *dev, int chan_num, extern int cx25821_video_register(struct cx25821_dev *dev);
struct video_device *video_template);
extern int cx25821_get_format_size(void); extern int cx25821_get_format_size(void);
extern int cx25821_buffer_setup(struct videobuf_queue *q, unsigned int *count, extern int cx25821_buffer_setup(struct videobuf_queue *q, unsigned int *count,
......
drivers/staging/cx25821/cx25821-video0.c deleted 100644 → 0
View file @ fab81259
/*
* Driver for the Conexant CX25821 PCIe bridge
*
* Copyright (C) 2009 Conexant Systems Inc.
* Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
* Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
*
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "cx25821-video.h"
static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
{
struct cx25821_buffer *buf =
container_of(vb, struct cx25821_buffer, vb);
struct cx25821_buffer *prev;
struct cx25821_fh *fh = vq->priv_data;
struct cx25821_dev *dev = fh->dev;
struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH00];
/* add jump to stopper */
buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
if (!list_empty(&q->queued)) {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf,
buf->vb.i);
} else if (list_empty(&q->active)) {
list_add_tail(&buf->vb.queue, &q->active);
cx25821_start_video_dma(dev, q, buf,
&dev->sram_channels[SRAM_CH00]);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
dprintk(2,
"[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
buf, buf->vb.i, buf->count, q->count);
} else {
prev =
list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
if (prev->vb.width == buf->vb.width
&& prev->vb.height == buf->vb.height
&& prev->fmt == buf->fmt) {
list_add_tail(&buf->vb.queue, &q->active);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
/* 64 bit bits 63-32 */
prev->risc.jmp[2] = cpu_to_le32(0);
dprintk(2,
"[%p/%d] buffer_queue - append to active, buf->count=%d\n",
buf, buf->vb.i, buf->count);
} else {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf,
buf->vb.i);
}
}
if (list_empty(&q->active)) {
dprintk(2, "active queue empty!\n");
}
}
static struct videobuf_queue_ops cx25821_video_qops = {
.buf_setup = cx25821_buffer_setup,
.buf_prepare = cx25821_buffer_prepare,
.buf_queue = buffer_queue,
.buf_release = cx25821_buffer_release,
};
static int video_open(struct file *file)
{
struct video_device *vdev = video_devdata(file);
struct cx25821_dev *dev = video_drvdata(file);
struct cx25821_fh *fh;
enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
u32 pix_format;
printk("open dev=%s type=%s\n", video_device_node_name(vdev),
v4l2_type_names[type]);
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
if (NULL == fh)
return -ENOMEM;
lock_kernel();
file->private_data = fh;
fh->dev = dev;
fh->type = type;
fh->width = 720;
if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
fh->height = 576;
else
fh->height = 480;
dev->channel_opened = SRAM_CH00;
pix_format =
(dev->pixel_formats[dev->channel_opened] ==
PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV;
fh->fmt = format_by_fourcc(pix_format);
v4l2_prio_open(&dev->prio, &fh->prio);
videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
&dev->pci->dev, &dev->slock,
V4L2_BUF_TYPE_VIDEO_CAPTURE,
V4L2_FIELD_INTERLACED,
sizeof(struct cx25821_buffer), fh);
dprintk(1, "post videobuf_queue_init()\n");
unlock_kernel();
return 0;
}
static ssize_t video_read(struct file *file, char __user * data, size_t count,
loff_t * ppos)
{
struct cx25821_fh *fh = file->private_data;
switch (fh->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
if (cx25821_res_locked(fh->dev, RESOURCE_VIDEO0))
return -EBUSY;
return videobuf_read_one(&fh->vidq, data, count, ppos,
file->f_flags & O_NONBLOCK);
default:
BUG();
return 0;
}
}
static unsigned int video_poll(struct file *file,
struct poll_table_struct *wait)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_buffer *buf;
if (cx25821_res_check(fh, RESOURCE_VIDEO0)) {
/* streaming capture */
if (list_empty(&fh->vidq.stream))
return POLLERR;
buf = list_entry(fh->vidq.stream.next,
struct cx25821_buffer, vb.stream);
} else {
/* read() capture */
buf = (struct cx25821_buffer *)fh->vidq.read_buf;
if (NULL == buf)
return POLLERR;
}
poll_wait(file, &buf->vb.done, wait);
if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) {
if (buf->vb.state == VIDEOBUF_DONE) {
struct cx25821_dev *dev = fh->dev;
if (dev && dev->use_cif_resolution[SRAM_CH00]) {
u8 cam_id = *((char *)buf->vb.baddr + 3);
memcpy((char *)buf->vb.baddr,
(char *)buf->vb.baddr + (fh->width * 2),
(fh->width * 2));
*((char *)buf->vb.baddr + 3) = cam_id;
}
}
return POLLIN | POLLRDNORM;
}
return 0;
}
static int video_release(struct file *file)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_dev *dev = fh->dev;
//stop the risc engine and fifo
cx_write(channel0->dma_ctl, 0); /* FIFO and RISC disable */
/* stop video capture */
if (cx25821_res_check(fh, RESOURCE_VIDEO0)) {
videobuf_queue_cancel(&fh->vidq);
cx25821_res_free(dev, fh, RESOURCE_VIDEO0);
}
if (fh->vidq.read_buf) {
cx25821_buffer_release(&fh->vidq, fh->vidq.read_buf);
kfree(fh->vidq.read_buf);
}
videobuf_mmap_free(&fh->vidq);
v4l2_prio_close(&dev->prio, fh->prio);
file->private_data = NULL;
kfree(fh);
return 0;
}
static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) {
return -EINVAL;
}
if (unlikely(i != fh->type)) {
return -EINVAL;
}
if (unlikely(!cx25821_res_get(dev, fh, cx25821_get_resource(fh, RESOURCE_VIDEO0)))) {
return -EBUSY;
}
return videobuf_streamon(get_queue(fh));
}
static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
int err, res;
if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
if (i != fh->type)
return -EINVAL;
res = cx25821_get_resource(fh, RESOURCE_VIDEO0);
err = videobuf_streamoff(get_queue(fh));
if (err < 0)
return err;
cx25821_res_free(dev, fh, res);
return 0;
}
static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
int pix_format = PIXEL_FRMT_422;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
dprintk(2, "%s()\n", __func__);
err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
if (0 != err)
return err;
fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
fh->vidq.field = f->fmt.pix.field;
// check if width and height is valid based on set standard
if (cx25821_is_valid_width(f->fmt.pix.width, dev->tvnorm)) {
fh->width = f->fmt.pix.width;
}
if (cx25821_is_valid_height(f->fmt.pix.height, dev->tvnorm)) {
fh->height = f->fmt.pix.height;
}
if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P)
pix_format = PIXEL_FRMT_411;
else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
pix_format = PIXEL_FRMT_422;
else
return -EINVAL;
cx25821_set_pixel_format(dev, SRAM_CH00, pix_format);
// check if cif resolution
if (fh->width == 320 || fh->width == 352) {
dev->use_cif_resolution[SRAM_CH00] = 1;
} else {
dev->use_cif_resolution[SRAM_CH00] = 0;
}
dev->cif_width[SRAM_CH00] = fh->width;
medusa_set_resolution(dev, fh->width, SRAM_CH00);
dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width,
fh->height, fh->vidq.field);
cx25821_call_all(dev, video, s_fmt, f);
return 0;
}
static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
{
int ret_val = 0;
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
p->sequence = dev->vidq[SRAM_CH00].count;
return ret_val;
}
static int vidioc_log_status(struct file *file, void *priv)
{
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
char name[32 + 2];
struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH00];
u32 tmp = 0;
snprintf(name, sizeof(name), "%s/2", dev->name);
printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n",
dev->name);
cx25821_call_all(dev, core, log_status);
tmp = cx_read(sram_ch->dma_ctl);
printk(KERN_INFO "Video input 0 is %s\n",
(tmp & 0x11) ? "streaming" : "stopped");
printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n",
dev->name);
return 0;
}
static int vidioc_s_ctrl(struct file *file, void *priv,
struct v4l2_control *ctl)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
return cx25821_set_control(dev, ctl, SRAM_CH00);
}
// exported stuff
static const struct v4l2_file_operations video_fops = {
.owner = THIS_MODULE,
.open = video_open,
.release = video_release,
.read = video_read,
.poll = video_poll,
.mmap = cx25821_video_mmap,
.ioctl = video_ioctl2,
};
static const struct v4l2_ioctl_ops video_ioctl_ops = {
.vidioc_querycap = cx25821_vidioc_querycap,
.vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap,
.vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap,
.vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
.vidioc_reqbufs = cx25821_vidioc_reqbufs,
.vidioc_querybuf = cx25821_vidioc_querybuf,
.vidioc_qbuf = cx25821_vidioc_qbuf,
.vidioc_dqbuf = vidioc_dqbuf,
#ifdef TUNER_FLAG
.vidioc_s_std = cx25821_vidioc_s_std,
.vidioc_querystd = cx25821_vidioc_querystd,
#endif
.vidioc_cropcap = cx25821_vidioc_cropcap,
.vidioc_s_crop = cx25821_vidioc_s_crop,
.vidioc_g_crop = cx25821_vidioc_g_crop,
.vidioc_enum_input = cx25821_vidioc_enum_input,
.vidioc_g_input = cx25821_vidioc_g_input,
.vidioc_s_input = cx25821_vidioc_s_input,
.vidioc_g_ctrl = cx25821_vidioc_g_ctrl,
.vidioc_s_ctrl = vidioc_s_ctrl,
.vidioc_queryctrl = cx25821_vidioc_queryctrl,
.vidioc_streamon = vidioc_streamon,
.vidioc_streamoff = vidioc_streamoff,
.vidioc_log_status = vidioc_log_status,
.vidioc_g_priority = cx25821_vidioc_g_priority,
.vidioc_s_priority = cx25821_vidioc_s_priority,
#ifdef CONFIG_VIDEO_V4L1_COMPAT
.vidiocgmbuf = cx25821_vidiocgmbuf,
#endif
#ifdef TUNER_FLAG
.vidioc_g_tuner = cx25821_vidioc_g_tuner,
.vidioc_s_tuner = cx25821_vidioc_s_tuner,
.vidioc_g_frequency = cx25821_vidioc_g_frequency,
.vidioc_s_frequency = cx25821_vidioc_s_frequency,
#endif
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_register = cx25821_vidioc_g_register,
.vidioc_s_register = cx25821_vidioc_s_register,
#endif
};
struct video_device cx25821_video_template0 = {
.name = "cx25821-video",
.fops = &video_fops,
.ioctl_ops = &video_ioctl_ops,
.tvnorms = CX25821_NORMS,
.current_norm = V4L2_STD_NTSC_M,
};
drivers/staging/cx25821/cx25821-video1.c deleted 100644 → 0
View file @ fab81259
/*
* Driver for the Conexant CX25821 PCIe bridge
*
* Copyright (C) 2009 Conexant Systems Inc.
* Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
* Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
*
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "cx25821-video.h"
static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
{
struct cx25821_buffer *buf =
container_of(vb, struct cx25821_buffer, vb);
struct cx25821_buffer *prev;
struct cx25821_fh *fh = vq->priv_data;
struct cx25821_dev *dev = fh->dev;
struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH01];
/* add jump to stopper */
buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
if (!list_empty(&q->queued)) {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf,
buf->vb.i);
} else if (list_empty(&q->active)) {
list_add_tail(&buf->vb.queue, &q->active);
cx25821_start_video_dma(dev, q, buf,
&dev->sram_channels[SRAM_CH01]);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
dprintk(2,
"[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
buf, buf->vb.i, buf->count, q->count);
} else {
prev =
list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
if (prev->vb.width == buf->vb.width
&& prev->vb.height == buf->vb.height
&& prev->fmt == buf->fmt) {
list_add_tail(&buf->vb.queue, &q->active);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
/* 64 bit bits 63-32 */
prev->risc.jmp[2] = cpu_to_le32(0);
dprintk(2,
"[%p/%d] buffer_queue - append to active, buf->count=%d\n",
buf, buf->vb.i, buf->count);
} else {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf,
buf->vb.i);
}
}
if (list_empty(&q->active)) {
dprintk(2, "active queue empty!\n");
}
}
static struct videobuf_queue_ops cx25821_video_qops = {
.buf_setup = cx25821_buffer_setup,
.buf_prepare = cx25821_buffer_prepare,
.buf_queue = buffer_queue,
.buf_release = cx25821_buffer_release,
};
static int video_open(struct file *file)
{
struct video_device *vdev = video_devdata(file);
struct cx25821_dev *dev = video_drvdata(file);
struct cx25821_fh *fh;
enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
u32 pix_format;
printk("open dev=%s type=%s\n", video_device_node_name(vdev),
v4l2_type_names[type]);
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
if (NULL == fh)
return -ENOMEM;
lock_kernel();
file->private_data = fh;
fh->dev = dev;
fh->type = type;
fh->width = 720;
if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
fh->height = 576;
else
fh->height = 480;
dev->channel_opened = SRAM_CH01;
pix_format =
(dev->pixel_formats[dev->channel_opened] ==
PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV;
fh->fmt = format_by_fourcc(pix_format);
v4l2_prio_open(&dev->prio, &fh->prio);
videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
&dev->pci->dev, &dev->slock,
V4L2_BUF_TYPE_VIDEO_CAPTURE,
V4L2_FIELD_INTERLACED,
sizeof(struct cx25821_buffer), fh);
dprintk(1, "post videobuf_queue_init()\n");
unlock_kernel();
return 0;
}
static ssize_t video_read(struct file *file, char __user * data, size_t count,
loff_t * ppos)
{
struct cx25821_fh *fh = file->private_data;
switch (fh->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
if (cx25821_res_locked(fh->dev, RESOURCE_VIDEO1))
return -EBUSY;
return videobuf_read_one(&fh->vidq, data, count, ppos,
file->f_flags & O_NONBLOCK);
default:
BUG();
return 0;
}
}
static unsigned int video_poll(struct file *file,
struct poll_table_struct *wait)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_buffer *buf;
if (cx25821_res_check(fh, RESOURCE_VIDEO1)) {
/* streaming capture */
if (list_empty(&fh->vidq.stream))
return POLLERR;
buf = list_entry(fh->vidq.stream.next,
struct cx25821_buffer, vb.stream);
} else {
/* read() capture */
buf = (struct cx25821_buffer *)fh->vidq.read_buf;
if (NULL == buf)
return POLLERR;
}
poll_wait(file, &buf->vb.done, wait);
if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) {
if (buf->vb.state == VIDEOBUF_DONE) {
struct cx25821_dev *dev = fh->dev;
if (dev && dev->use_cif_resolution[SRAM_CH01]) {
u8 cam_id = *((char *)buf->vb.baddr + 3);
memcpy((char *)buf->vb.baddr,
(char *)buf->vb.baddr + (fh->width * 2),
(fh->width * 2));
*((char *)buf->vb.baddr + 3) = cam_id;
}
}
return POLLIN | POLLRDNORM;
}
return 0;
}
static int video_release(struct file *file)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_dev *dev = fh->dev;
//stop the risc engine and fifo
cx_write(channel1->dma_ctl, 0); /* FIFO and RISC disable */
/* stop video capture */
if (cx25821_res_check(fh, RESOURCE_VIDEO1)) {
videobuf_queue_cancel(&fh->vidq);
cx25821_res_free(dev, fh, RESOURCE_VIDEO1);
}
if (fh->vidq.read_buf) {
cx25821_buffer_release(&fh->vidq, fh->vidq.read_buf);
kfree(fh->vidq.read_buf);
}
videobuf_mmap_free(&fh->vidq);
v4l2_prio_close(&dev->prio, fh->prio);
file->private_data = NULL;
kfree(fh);
return 0;
}
static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) {
return -EINVAL;
}
if (unlikely(i != fh->type)) {
return -EINVAL;
}
if (unlikely(!cx25821_res_get(dev, fh, cx25821_get_resource(fh, RESOURCE_VIDEO1)))) {
return -EBUSY;
}
return videobuf_streamon(get_queue(fh));
}
static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
int err, res;
if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
if (i != fh->type)
return -EINVAL;
res = cx25821_get_resource(fh, RESOURCE_VIDEO1);
err = videobuf_streamoff(get_queue(fh));
if (err < 0)
return err;
cx25821_res_free(dev, fh, res);
return 0;
}
static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
int pix_format = 0;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
dprintk(2, "%s()\n", __func__);
err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
if (0 != err)
return err;
fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
fh->vidq.field = f->fmt.pix.field;
// check if width and height is valid based on set standard
if (cx25821_is_valid_width(f->fmt.pix.width, dev->tvnorm)) {
fh->width = f->fmt.pix.width;
}
if (cx25821_is_valid_height(f->fmt.pix.height, dev->tvnorm)) {
fh->height = f->fmt.pix.height;
}
if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P)
pix_format = PIXEL_FRMT_411;
else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
pix_format = PIXEL_FRMT_422;
else
return -EINVAL;
cx25821_set_pixel_format(dev, SRAM_CH01, pix_format);
// check if cif resolution
if (fh->width == 320 || fh->width == 352) {
dev->use_cif_resolution[SRAM_CH01] = 1;
} else {
dev->use_cif_resolution[SRAM_CH01] = 0;
}
dev->cif_width[SRAM_CH01] = fh->width;
medusa_set_resolution(dev, fh->width, SRAM_CH01);
dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width,
fh->height, fh->vidq.field);
cx25821_call_all(dev, video, s_fmt, f);
return 0;
}
static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
{
int ret_val = 0;
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
p->sequence = dev->vidq[SRAM_CH01].count;
return ret_val;
}
static int vidioc_log_status(struct file *file, void *priv)
{
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
char name[32 + 2];
struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH01];
u32 tmp = 0;
snprintf(name, sizeof(name), "%s/2", dev->name);
printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n",
dev->name);
cx25821_call_all(dev, core, log_status);
tmp = cx_read(sram_ch->dma_ctl);
printk(KERN_INFO "Video input 1 is %s\n",
(tmp & 0x11) ? "streaming" : "stopped");
printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n",
dev->name);
return 0;
}
static int vidioc_s_ctrl(struct file *file, void *priv,
struct v4l2_control *ctl)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
return cx25821_set_control(dev, ctl, SRAM_CH01);
}
//exported stuff
static const struct v4l2_file_operations video_fops = {
.owner = THIS_MODULE,
.open = video_open,
.release = video_release,
.read = video_read,
.poll = video_poll,
.mmap = cx25821_video_mmap,
.ioctl = video_ioctl2,
};
static const struct v4l2_ioctl_ops video_ioctl_ops = {
.vidioc_querycap = cx25821_vidioc_querycap,
.vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap,
.vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap,
.vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
.vidioc_reqbufs = cx25821_vidioc_reqbufs,
.vidioc_querybuf = cx25821_vidioc_querybuf,
.vidioc_qbuf = cx25821_vidioc_qbuf,
.vidioc_dqbuf = vidioc_dqbuf,
#ifdef TUNER_FLAG
.vidioc_s_std = cx25821_vidioc_s_std,
.vidioc_querystd = cx25821_vidioc_querystd,
#endif
.vidioc_cropcap = cx25821_vidioc_cropcap,
.vidioc_s_crop = cx25821_vidioc_s_crop,
.vidioc_g_crop = cx25821_vidioc_g_crop,
.vidioc_enum_input = cx25821_vidioc_enum_input,
.vidioc_g_input = cx25821_vidioc_g_input,
.vidioc_s_input = cx25821_vidioc_s_input,
.vidioc_g_ctrl = cx25821_vidioc_g_ctrl,
.vidioc_s_ctrl = vidioc_s_ctrl,
.vidioc_queryctrl = cx25821_vidioc_queryctrl,
.vidioc_streamon = vidioc_streamon,
.vidioc_streamoff = vidioc_streamoff,
.vidioc_log_status = vidioc_log_status,
.vidioc_g_priority = cx25821_vidioc_g_priority,
.vidioc_s_priority = cx25821_vidioc_s_priority,
#ifdef CONFIG_VIDEO_V4L1_COMPAT
.vidiocgmbuf = cx25821_vidiocgmbuf,
#endif
#ifdef TUNER_FLAG
.vidioc_g_tuner = cx25821_vidioc_g_tuner,
.vidioc_s_tuner = cx25821_vidioc_s_tuner,
.vidioc_g_frequency = cx25821_vidioc_g_frequency,
.vidioc_s_frequency = cx25821_vidioc_s_frequency,
#endif
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_register = cx25821_vidioc_g_register,
.vidioc_s_register = cx25821_vidioc_s_register,
#endif
};
struct video_device cx25821_video_template1 = {
.name = "cx25821-video",
.fops = &video_fops,
.ioctl_ops = &video_ioctl_ops,
.tvnorms = CX25821_NORMS,
.current_norm = V4L2_STD_NTSC_M,
};
drivers/staging/cx25821/cx25821-video2.c deleted 100644 → 0
View file @ fab81259
/*
* Driver for the Conexant CX25821 PCIe bridge
*
* Copyright (C) 2009 Conexant Systems Inc.
* Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
* Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
*
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "cx25821-video.h"
static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
{
struct cx25821_buffer *buf =
container_of(vb, struct cx25821_buffer, vb);
struct cx25821_buffer *prev;
struct cx25821_fh *fh = vq->priv_data;
struct cx25821_dev *dev = fh->dev;
struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH02];
/* add jump to stopper */
buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
if (!list_empty(&q->queued)) {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf,
buf->vb.i);
} else if (list_empty(&q->active)) {
list_add_tail(&buf->vb.queue, &q->active);
cx25821_start_video_dma(dev, q, buf,
&dev->sram_channels[SRAM_CH02]);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
dprintk(2,
"[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
buf, buf->vb.i, buf->count, q->count);
} else {
prev =
list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
if (prev->vb.width == buf->vb.width
&& prev->vb.height == buf->vb.height
&& prev->fmt == buf->fmt) {
list_add_tail(&buf->vb.queue, &q->active);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
/* 64 bit bits 63-32 */
prev->risc.jmp[2] = cpu_to_le32(0);
dprintk(2,
"[%p/%d] buffer_queue - append to active, buf->count=%d\n",
buf, buf->vb.i, buf->count);
} else {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf,
buf->vb.i);
}
}
if (list_empty(&q->active)) {
dprintk(2, "active queue empty!\n");
}
}
static struct videobuf_queue_ops cx25821_video_qops = {
.buf_setup = cx25821_buffer_setup,
.buf_prepare = cx25821_buffer_prepare,
.buf_queue = buffer_queue,
.buf_release = cx25821_buffer_release,
};
static int video_open(struct file *file)
{
struct video_device *vdev = video_devdata(file);
struct cx25821_dev *dev = video_drvdata(file);
struct cx25821_fh *fh;
enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
u32 pix_format;
printk("open dev=%s type=%s\n", video_device_node_name(vdev),
v4l2_type_names[type]);
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
if (NULL == fh)
return -ENOMEM;
lock_kernel();
file->private_data = fh;
fh->dev = dev;
fh->type = type;
fh->width = 720;
if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
fh->height = 576;
else
fh->height = 480;
dev->channel_opened = SRAM_CH02;
pix_format =
(dev->pixel_formats[dev->channel_opened] ==
PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV;
fh->fmt = format_by_fourcc(pix_format);
v4l2_prio_open(&dev->prio, &fh->prio);
videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
&dev->pci->dev, &dev->slock,
V4L2_BUF_TYPE_VIDEO_CAPTURE,
V4L2_FIELD_INTERLACED,
sizeof(struct cx25821_buffer), fh);
dprintk(1, "post videobuf_queue_init()\n");
unlock_kernel();
return 0;
}
static ssize_t video_read(struct file *file, char __user * data, size_t count,
loff_t * ppos)
{
struct cx25821_fh *fh = file->private_data;
switch (fh->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
if (cx25821_res_locked(fh->dev, RESOURCE_VIDEO2))
return -EBUSY;
return videobuf_read_one(&fh->vidq, data, count, ppos,
file->f_flags & O_NONBLOCK);
default:
BUG();
return 0;
}
}
static unsigned int video_poll(struct file *file,
struct poll_table_struct *wait)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_buffer *buf;
if (cx25821_res_check(fh, RESOURCE_VIDEO2)) {
/* streaming capture */
if (list_empty(&fh->vidq.stream))
return POLLERR;
buf = list_entry(fh->vidq.stream.next,
struct cx25821_buffer, vb.stream);
} else {
/* read() capture */
buf = (struct cx25821_buffer *)fh->vidq.read_buf;
if (NULL == buf)
return POLLERR;
}
poll_wait(file, &buf->vb.done, wait);
if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) {
if (buf->vb.state == VIDEOBUF_DONE) {
struct cx25821_dev *dev = fh->dev;
if (dev && dev->use_cif_resolution[SRAM_CH02]) {
u8 cam_id = *((char *)buf->vb.baddr + 3);
memcpy((char *)buf->vb.baddr,
(char *)buf->vb.baddr + (fh->width * 2),
(fh->width * 2));
*((char *)buf->vb.baddr + 3) = cam_id;
}
}
return POLLIN | POLLRDNORM;
}
return 0;
}
static int video_release(struct file *file)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_dev *dev = fh->dev;
//stop the risc engine and fifo
cx_write(channel2->dma_ctl, 0); /* FIFO and RISC disable */
/* stop video capture */
if (cx25821_res_check(fh, RESOURCE_VIDEO2)) {
videobuf_queue_cancel(&fh->vidq);
cx25821_res_free(dev, fh, RESOURCE_VIDEO2);
}
if (fh->vidq.read_buf) {
cx25821_buffer_release(&fh->vidq, fh->vidq.read_buf);
kfree(fh->vidq.read_buf);
}
videobuf_mmap_free(&fh->vidq);
v4l2_prio_close(&dev->prio, fh->prio);
file->private_data = NULL;
kfree(fh);
return 0;
}
static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) {
return -EINVAL;
}
if (unlikely(i != fh->type)) {
return -EINVAL;
}
if (unlikely(!cx25821_res_get(dev, fh, cx25821_get_resource(fh, RESOURCE_VIDEO2)))) {
return -EBUSY;
}
return videobuf_streamon(get_queue(fh));
}
static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
int err, res;
if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
if (i != fh->type)
return -EINVAL;
res = cx25821_get_resource(fh, RESOURCE_VIDEO2);
err = videobuf_streamoff(get_queue(fh));
if (err < 0)
return err;
cx25821_res_free(dev, fh, res);
return 0;
}
static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
int pix_format = 0;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
dprintk(2, "%s()\n", __func__);
err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
if (0 != err)
return err;
fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
fh->vidq.field = f->fmt.pix.field;
// check if width and height is valid based on set standard
if (cx25821_is_valid_width(f->fmt.pix.width, dev->tvnorm)) {
fh->width = f->fmt.pix.width;
}
if (cx25821_is_valid_height(f->fmt.pix.height, dev->tvnorm)) {
fh->height = f->fmt.pix.height;
}
if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P)
pix_format = PIXEL_FRMT_411;
else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
pix_format = PIXEL_FRMT_422;
else
return -EINVAL;
cx25821_set_pixel_format(dev, SRAM_CH02, pix_format);
// check if cif resolution
if (fh->width == 320 || fh->width == 352) {
dev->use_cif_resolution[SRAM_CH02] = 1;
} else {
dev->use_cif_resolution[SRAM_CH02] = 0;
}
dev->cif_width[SRAM_CH02] = fh->width;
medusa_set_resolution(dev, fh->width, SRAM_CH02);
dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width,
fh->height, fh->vidq.field);
cx25821_call_all(dev, video, s_fmt, f);
return 0;
}
static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
{
int ret_val = 0;
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
p->sequence = dev->vidq[SRAM_CH02].count;
return ret_val;
}
static int vidioc_log_status(struct file *file, void *priv)
{
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
char name[32 + 2];
struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH02];
u32 tmp = 0;
snprintf(name, sizeof(name), "%s/2", dev->name);
printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n",
dev->name);
cx25821_call_all(dev, core, log_status);
tmp = cx_read(sram_ch->dma_ctl);
printk(KERN_INFO "Video input 2 is %s\n",
(tmp & 0x11) ? "streaming" : "stopped");
printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n",
dev->name);
return 0;
}
static int vidioc_s_ctrl(struct file *file, void *priv,
struct v4l2_control *ctl)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
return cx25821_set_control(dev, ctl, SRAM_CH02);
}
// exported stuff
static const struct v4l2_file_operations video_fops = {
.owner = THIS_MODULE,
.open = video_open,
.release = video_release,
.read = video_read,
.poll = video_poll,
.mmap = cx25821_video_mmap,
.ioctl = video_ioctl2,
};
static const struct v4l2_ioctl_ops video_ioctl_ops = {
.vidioc_querycap = cx25821_vidioc_querycap,
.vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap,
.vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap,
.vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
.vidioc_reqbufs = cx25821_vidioc_reqbufs,
.vidioc_querybuf = cx25821_vidioc_querybuf,
.vidioc_qbuf = cx25821_vidioc_qbuf,
.vidioc_dqbuf = vidioc_dqbuf,
#ifdef TUNER_FLAG
.vidioc_s_std = cx25821_vidioc_s_std,
.vidioc_querystd = cx25821_vidioc_querystd,
#endif
.vidioc_cropcap = cx25821_vidioc_cropcap,
.vidioc_s_crop = cx25821_vidioc_s_crop,
.vidioc_g_crop = cx25821_vidioc_g_crop,
.vidioc_enum_input = cx25821_vidioc_enum_input,
.vidioc_g_input = cx25821_vidioc_g_input,
.vidioc_s_input = cx25821_vidioc_s_input,
.vidioc_g_ctrl = cx25821_vidioc_g_ctrl,
.vidioc_s_ctrl = vidioc_s_ctrl,
.vidioc_queryctrl = cx25821_vidioc_queryctrl,
.vidioc_streamon = vidioc_streamon,
.vidioc_streamoff = vidioc_streamoff,
.vidioc_log_status = vidioc_log_status,
.vidioc_g_priority = cx25821_vidioc_g_priority,
.vidioc_s_priority = cx25821_vidioc_s_priority,
#ifdef CONFIG_VIDEO_V4L1_COMPAT
.vidiocgmbuf = cx25821_vidiocgmbuf,
#endif
#ifdef TUNER_FLAG
.vidioc_g_tuner = cx25821_vidioc_g_tuner,
.vidioc_s_tuner = cx25821_vidioc_s_tuner,
.vidioc_g_frequency = cx25821_vidioc_g_frequency,
.vidioc_s_frequency = cx25821_vidioc_s_frequency,
#endif
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_register = cx25821_vidioc_g_register,
.vidioc_s_register = cx25821_vidioc_s_register,
#endif
};
struct video_device cx25821_video_template2 = {
.name = "cx25821-video",
.fops = &video_fops,
.ioctl_ops = &video_ioctl_ops,
.tvnorms = CX25821_NORMS,
.current_norm = V4L2_STD_NTSC_M,
};
drivers/staging/cx25821/cx25821-video3.c deleted 100644 → 0
View file @ fab81259
/*
* Driver for the Conexant CX25821 PCIe bridge
*
* Copyright (C) 2009 Conexant Systems Inc.
* Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
* Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
*
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "cx25821-video.h"
static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
{
struct cx25821_buffer *buf =
container_of(vb, struct cx25821_buffer, vb);
struct cx25821_buffer *prev;
struct cx25821_fh *fh = vq->priv_data;
struct cx25821_dev *dev = fh->dev;
struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH03];
/* add jump to stopper */
buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
if (!list_empty(&q->queued)) {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf,
buf->vb.i);
} else if (list_empty(&q->active)) {
list_add_tail(&buf->vb.queue, &q->active);
cx25821_start_video_dma(dev, q, buf,
&dev->sram_channels[SRAM_CH03]);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
dprintk(2,
"[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
buf, buf->vb.i, buf->count, q->count);
} else {
prev =
list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
if (prev->vb.width == buf->vb.width
&& prev->vb.height == buf->vb.height
&& prev->fmt == buf->fmt) {
list_add_tail(&buf->vb.queue, &q->active);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
/* 64 bit bits 63-32 */
prev->risc.jmp[2] = cpu_to_le32(0);
dprintk(2,
"[%p/%d] buffer_queue - append to active, buf->count=%d\n",
buf, buf->vb.i, buf->count);
} else {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf,
buf->vb.i);
}
}
if (list_empty(&q->active)) {
dprintk(2, "active queue empty!\n");
}
}
static struct videobuf_queue_ops cx25821_video_qops = {
.buf_setup = cx25821_buffer_setup,
.buf_prepare = cx25821_buffer_prepare,
.buf_queue = buffer_queue,
.buf_release = cx25821_buffer_release,
};
static int video_open(struct file *file)
{
struct video_device *vdev = video_devdata(file);
struct cx25821_dev *dev = video_drvdata(file);
struct cx25821_fh *fh;
enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
u32 pix_format;
printk("open dev=%s type=%s\n", video_device_node_name(vdev),
v4l2_type_names[type]);
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
if (NULL == fh)
return -ENOMEM;
lock_kernel();
file->private_data = fh;
fh->dev = dev;
fh->type = type;
fh->width = 720;
if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
fh->height = 576;
else
fh->height = 480;
dev->channel_opened = SRAM_CH03;
pix_format =
(dev->pixel_formats[dev->channel_opened] ==
PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV;
fh->fmt = format_by_fourcc(pix_format);
v4l2_prio_open(&dev->prio, &fh->prio);
videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
&dev->pci->dev, &dev->slock,
V4L2_BUF_TYPE_VIDEO_CAPTURE,
V4L2_FIELD_INTERLACED,
sizeof(struct cx25821_buffer), fh);
dprintk(1, "post videobuf_queue_init()\n");
unlock_kernel();
return 0;
}
static ssize_t video_read(struct file *file, char __user * data, size_t count,
loff_t * ppos)
{
struct cx25821_fh *fh = file->private_data;
switch (fh->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
if (cx25821_res_locked(fh->dev, RESOURCE_VIDEO3))
return -EBUSY;
return videobuf_read_one(&fh->vidq, data, count, ppos,
file->f_flags & O_NONBLOCK);
default:
BUG();
return 0;
}
}
static unsigned int video_poll(struct file *file,
struct poll_table_struct *wait)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_buffer *buf;
if (cx25821_res_check(fh, RESOURCE_VIDEO3)) {
/* streaming capture */
if (list_empty(&fh->vidq.stream))
return POLLERR;
buf = list_entry(fh->vidq.stream.next,
struct cx25821_buffer, vb.stream);
} else {
/* read() capture */
buf = (struct cx25821_buffer *)fh->vidq.read_buf;
if (NULL == buf)
return POLLERR;
}
poll_wait(file, &buf->vb.done, wait);
if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) {
if (buf->vb.state == VIDEOBUF_DONE) {
struct cx25821_dev *dev = fh->dev;
if (dev && dev->use_cif_resolution[SRAM_CH03]) {
u8 cam_id = *((char *)buf->vb.baddr + 3);
memcpy((char *)buf->vb.baddr,
(char *)buf->vb.baddr + (fh->width * 2),
(fh->width * 2));
*((char *)buf->vb.baddr + 3) = cam_id;
}
}
return POLLIN | POLLRDNORM;
}
return 0;
}
static int video_release(struct file *file)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_dev *dev = fh->dev;
//stop the risc engine and fifo
cx_write(channel3->dma_ctl, 0); /* FIFO and RISC disable */
/* stop video capture */
if (cx25821_res_check(fh, RESOURCE_VIDEO3)) {
videobuf_queue_cancel(&fh->vidq);
cx25821_res_free(dev, fh, RESOURCE_VIDEO3);
}
if (fh->vidq.read_buf) {
cx25821_buffer_release(&fh->vidq, fh->vidq.read_buf);
kfree(fh->vidq.read_buf);
}
videobuf_mmap_free(&fh->vidq);
v4l2_prio_close(&dev->prio, fh->prio);
file->private_data = NULL;
kfree(fh);
return 0;
}
static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) {
return -EINVAL;
}
if (unlikely(i != fh->type)) {
return -EINVAL;
}
if (unlikely(!cx25821_res_get(dev, fh, cx25821_get_resource(fh, RESOURCE_VIDEO3)))) {
return -EBUSY;
}
return videobuf_streamon(get_queue(fh));
}
static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
int err, res;
if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
if (i != fh->type)
return -EINVAL;
res = cx25821_get_resource(fh, RESOURCE_VIDEO3);
err = videobuf_streamoff(get_queue(fh));
if (err < 0)
return err;
cx25821_res_free(dev, fh, res);
return 0;
}
static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
int pix_format = 0;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
dprintk(2, "%s()\n", __func__);
err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
if (0 != err)
return err;
fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
fh->vidq.field = f->fmt.pix.field;
// check if width and height is valid based on set standard
if (cx25821_is_valid_width(f->fmt.pix.width, dev->tvnorm)) {
fh->width = f->fmt.pix.width;
}
if (cx25821_is_valid_height(f->fmt.pix.height, dev->tvnorm)) {
fh->height = f->fmt.pix.height;
}
if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P)
pix_format = PIXEL_FRMT_411;
else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
pix_format = PIXEL_FRMT_422;
else
return -EINVAL;
cx25821_set_pixel_format(dev, SRAM_CH03, pix_format);
// check if cif resolution
if (fh->width == 320 || fh->width == 352) {
dev->use_cif_resolution[SRAM_CH03] = 1;
} else {
dev->use_cif_resolution[SRAM_CH03] = 0;
}
dev->cif_width[SRAM_CH03] = fh->width;
medusa_set_resolution(dev, fh->width, SRAM_CH03);
dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width,
fh->height, fh->vidq.field);
cx25821_call_all(dev, video, s_fmt, f);
return 0;
}
static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
{
int ret_val = 0;
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
p->sequence = dev->vidq[SRAM_CH03].count;
return ret_val;
}
static int vidioc_log_status(struct file *file, void *priv)
{
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
char name[32 + 2];
struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH03];
u32 tmp = 0;
snprintf(name, sizeof(name), "%s/2", dev->name);
printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n",
dev->name);
cx25821_call_all(dev, core, log_status);
tmp = cx_read(sram_ch->dma_ctl);
printk(KERN_INFO "Video input 3 is %s\n",
(tmp & 0x11) ? "streaming" : "stopped");
printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n",
dev->name);
return 0;
}
static int vidioc_s_ctrl(struct file *file, void *priv,
struct v4l2_control *ctl)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
return cx25821_set_control(dev, ctl, SRAM_CH03);
}
// exported stuff
static const struct v4l2_file_operations video_fops = {
.owner = THIS_MODULE,
.open = video_open,
.release = video_release,
.read = video_read,
.poll = video_poll,
.mmap = cx25821_video_mmap,
.ioctl = video_ioctl2,
};
static const struct v4l2_ioctl_ops video_ioctl_ops = {
.vidioc_querycap = cx25821_vidioc_querycap,
.vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap,
.vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap,
.vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
.vidioc_reqbufs = cx25821_vidioc_reqbufs,
.vidioc_querybuf = cx25821_vidioc_querybuf,
.vidioc_qbuf = cx25821_vidioc_qbuf,
.vidioc_dqbuf = vidioc_dqbuf,
#ifdef TUNER_FLAG
.vidioc_s_std = cx25821_vidioc_s_std,
.vidioc_querystd = cx25821_vidioc_querystd,
#endif
.vidioc_cropcap = cx25821_vidioc_cropcap,
.vidioc_s_crop = cx25821_vidioc_s_crop,
.vidioc_g_crop = cx25821_vidioc_g_crop,
.vidioc_enum_input = cx25821_vidioc_enum_input,
.vidioc_g_input = cx25821_vidioc_g_input,
.vidioc_s_input = cx25821_vidioc_s_input,
.vidioc_g_ctrl = cx25821_vidioc_g_ctrl,
.vidioc_s_ctrl = vidioc_s_ctrl,
.vidioc_queryctrl = cx25821_vidioc_queryctrl,
.vidioc_streamon = vidioc_streamon,
.vidioc_streamoff = vidioc_streamoff,
.vidioc_log_status = vidioc_log_status,
.vidioc_g_priority = cx25821_vidioc_g_priority,
.vidioc_s_priority = cx25821_vidioc_s_priority,
#ifdef CONFIG_VIDEO_V4L1_COMPAT
.vidiocgmbuf = cx25821_vidiocgmbuf,
#endif
#ifdef TUNER_FLAG
.vidioc_g_tuner = cx25821_vidioc_g_tuner,
.vidioc_s_tuner = cx25821_vidioc_s_tuner,
.vidioc_g_frequency = cx25821_vidioc_g_frequency,
.vidioc_s_frequency = cx25821_vidioc_s_frequency,
#endif
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_register = cx25821_vidioc_g_register,
.vidioc_s_register = cx25821_vidioc_s_register,
#endif
};
struct video_device cx25821_video_template3 = {
.name = "cx25821-video",
.fops = &video_fops,
.ioctl_ops = &video_ioctl_ops,
.tvnorms = CX25821_NORMS,
.current_norm = V4L2_STD_NTSC_M,
};
drivers/staging/cx25821/cx25821-video4.c deleted 100644 → 0
View file @ fab81259
/*
* Driver for the Conexant CX25821 PCIe bridge
*
* Copyright (C) 2009 Conexant Systems Inc.
* Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
* Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
*
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "cx25821-video.h"
static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
{
struct cx25821_buffer *buf =
container_of(vb, struct cx25821_buffer, vb);
struct cx25821_buffer *prev;
struct cx25821_fh *fh = vq->priv_data;
struct cx25821_dev *dev = fh->dev;
struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH04];
/* add jump to stopper */
buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
if (!list_empty(&q->queued)) {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf,
buf->vb.i);
} else if (list_empty(&q->active)) {
list_add_tail(&buf->vb.queue, &q->active);
cx25821_start_video_dma(dev, q, buf,
&dev->sram_channels[SRAM_CH04]);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
dprintk(2,
"[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
buf, buf->vb.i, buf->count, q->count);
} else {
prev =
list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
if (prev->vb.width == buf->vb.width
&& prev->vb.height == buf->vb.height
&& prev->fmt == buf->fmt) {
list_add_tail(&buf->vb.queue, &q->active);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
/* 64 bit bits 63-32 */
prev->risc.jmp[2] = cpu_to_le32(0);
dprintk(2,
"[%p/%d] buffer_queue - append to active, buf->count=%d\n",
buf, buf->vb.i, buf->count);
} else {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf,
buf->vb.i);
}
}
if (list_empty(&q->active)) {
dprintk(2, "active queue empty!\n");
}
}
static struct videobuf_queue_ops cx25821_video_qops = {
.buf_setup = cx25821_buffer_setup,
.buf_prepare = cx25821_buffer_prepare,
.buf_queue = buffer_queue,
.buf_release = cx25821_buffer_release,
};
static int video_open(struct file *file)
{
struct video_device *vdev = video_devdata(file);
struct cx25821_dev *dev = video_drvdata(file);
struct cx25821_fh *fh;
enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
u32 pix_format;
printk("open dev=%s type=%s\n", video_device_node_name(vdev),
v4l2_type_names[type]);
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
if (NULL == fh)
return -ENOMEM;
lock_kernel();
file->private_data = fh;
fh->dev = dev;
fh->type = type;
fh->width = 720;
if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
fh->height = 576;
else
fh->height = 480;
dev->channel_opened = SRAM_CH04;
pix_format =
(dev->pixel_formats[dev->channel_opened] ==
PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV;
fh->fmt = format_by_fourcc(pix_format);
v4l2_prio_open(&dev->prio, &fh->prio);
videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
&dev->pci->dev, &dev->slock,
V4L2_BUF_TYPE_VIDEO_CAPTURE,
V4L2_FIELD_INTERLACED,
sizeof(struct cx25821_buffer), fh);
dprintk(1, "post videobuf_queue_init()\n");
unlock_kernel();
return 0;
}
static ssize_t video_read(struct file *file, char __user * data, size_t count,
loff_t * ppos)
{
struct cx25821_fh *fh = file->private_data;
switch (fh->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
if (cx25821_res_locked(fh->dev, RESOURCE_VIDEO4))
return -EBUSY;
return videobuf_read_one(&fh->vidq, data, count, ppos,
file->f_flags & O_NONBLOCK);
default:
BUG();
return 0;
}
}
static unsigned int video_poll(struct file *file,
struct poll_table_struct *wait)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_buffer *buf;
if (cx25821_res_check(fh, RESOURCE_VIDEO4)) {
/* streaming capture */
if (list_empty(&fh->vidq.stream))
return POLLERR;
buf = list_entry(fh->vidq.stream.next,
struct cx25821_buffer, vb.stream);
} else {
/* read() capture */
buf = (struct cx25821_buffer *)fh->vidq.read_buf;
if (NULL == buf)
return POLLERR;
}
poll_wait(file, &buf->vb.done, wait);
if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) {
if (buf->vb.state == VIDEOBUF_DONE) {
struct cx25821_dev *dev = fh->dev;
if (dev && dev->use_cif_resolution[SRAM_CH04]) {
u8 cam_id = *((char *)buf->vb.baddr + 3);
memcpy((char *)buf->vb.baddr,
(char *)buf->vb.baddr + (fh->width * 2),
(fh->width * 2));
*((char *)buf->vb.baddr + 3) = cam_id;
}
}
return POLLIN | POLLRDNORM;
}
return 0;
}
static int video_release(struct file *file)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_dev *dev = fh->dev;
//stop the risc engine and fifo
cx_write(channel4->dma_ctl, 0); /* FIFO and RISC disable */
/* stop video capture */
if (cx25821_res_check(fh, RESOURCE_VIDEO4)) {
videobuf_queue_cancel(&fh->vidq);
cx25821_res_free(dev, fh, RESOURCE_VIDEO4);
}
if (fh->vidq.read_buf) {
cx25821_buffer_release(&fh->vidq, fh->vidq.read_buf);
kfree(fh->vidq.read_buf);
}
videobuf_mmap_free(&fh->vidq);
v4l2_prio_close(&dev->prio, fh->prio);
file->private_data = NULL;
kfree(fh);
return 0;
}
static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) {
return -EINVAL;
}
if (unlikely(i != fh->type)) {
return -EINVAL;
}
if (unlikely(!cx25821_res_get(dev, fh, cx25821_get_resource(fh, RESOURCE_VIDEO4)))) {
return -EBUSY;
}
return videobuf_streamon(get_queue(fh));
}
static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
int err, res;
if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
if (i != fh->type)
return -EINVAL;
res = cx25821_get_resource(fh, RESOURCE_VIDEO4);
err = videobuf_streamoff(get_queue(fh));
if (err < 0)
return err;
cx25821_res_free(dev, fh, res);
return 0;
}
static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
int pix_format = 0;
// check priority
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
dprintk(2, "%s()\n", __func__);
err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
if (0 != err)
return err;
fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
fh->vidq.field = f->fmt.pix.field;
// check if width and height is valid based on set standard
if (cx25821_is_valid_width(f->fmt.pix.width, dev->tvnorm)) {
fh->width = f->fmt.pix.width;
}
if (cx25821_is_valid_height(f->fmt.pix.height, dev->tvnorm)) {
fh->height = f->fmt.pix.height;
}
if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P)
pix_format = PIXEL_FRMT_411;
else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
pix_format = PIXEL_FRMT_422;
else
return -EINVAL;
cx25821_set_pixel_format(dev, SRAM_CH04, pix_format);
// check if cif resolution
if (fh->width == 320 || fh->width == 352) {
dev->use_cif_resolution[SRAM_CH04] = 1;
} else {
dev->use_cif_resolution[SRAM_CH04] = 0;
}
dev->cif_width[SRAM_CH04] = fh->width;
medusa_set_resolution(dev, fh->width, SRAM_CH04);
dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width,
fh->height, fh->vidq.field);
cx25821_call_all(dev, video, s_fmt, f);
return 0;
}
static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
{
int ret_val = 0;
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
p->sequence = dev->vidq[SRAM_CH04].count;
return ret_val;
}
static int vidioc_log_status(struct file *file, void *priv)
{
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
char name[32 + 2];
struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH04];
u32 tmp = 0;
snprintf(name, sizeof(name), "%s/2", dev->name);
printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n",
dev->name);
cx25821_call_all(dev, core, log_status);
tmp = cx_read(sram_ch->dma_ctl);
printk(KERN_INFO "Video input 4 is %s\n",
(tmp & 0x11) ? "streaming" : "stopped");
printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n",
dev->name);
return 0;
}
static int vidioc_s_ctrl(struct file *file, void *priv,
struct v4l2_control *ctl)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
return cx25821_set_control(dev, ctl, SRAM_CH04);
}
// exported stuff
static const struct v4l2_file_operations video_fops = {
.owner = THIS_MODULE,
.open = video_open,
.release = video_release,
.read = video_read,
.poll = video_poll,
.mmap = cx25821_video_mmap,
.ioctl = video_ioctl2,
};
static const struct v4l2_ioctl_ops video_ioctl_ops = {
.vidioc_querycap = cx25821_vidioc_querycap,
.vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap,
.vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap,
.vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
.vidioc_reqbufs = cx25821_vidioc_reqbufs,
.vidioc_querybuf = cx25821_vidioc_querybuf,
.vidioc_qbuf = cx25821_vidioc_qbuf,
.vidioc_dqbuf = vidioc_dqbuf,
#ifdef TUNER_FLAG
.vidioc_s_std = cx25821_vidioc_s_std,
.vidioc_querystd = cx25821_vidioc_querystd,
#endif
.vidioc_cropcap = cx25821_vidioc_cropcap,
.vidioc_s_crop = cx25821_vidioc_s_crop,
.vidioc_g_crop = cx25821_vidioc_g_crop,
.vidioc_enum_input = cx25821_vidioc_enum_input,
.vidioc_g_input = cx25821_vidioc_g_input,
.vidioc_s_input = cx25821_vidioc_s_input,
.vidioc_g_ctrl = cx25821_vidioc_g_ctrl,
.vidioc_s_ctrl = vidioc_s_ctrl,
.vidioc_queryctrl = cx25821_vidioc_queryctrl,
.vidioc_streamon = vidioc_streamon,
.vidioc_streamoff = vidioc_streamoff,
.vidioc_log_status = vidioc_log_status,
.vidioc_g_priority = cx25821_vidioc_g_priority,
.vidioc_s_priority = cx25821_vidioc_s_priority,
#ifdef CONFIG_VIDEO_V4L1_COMPAT
.vidiocgmbuf = cx25821_vidiocgmbuf,
#endif
#ifdef TUNER_FLAG
.vidioc_g_tuner = cx25821_vidioc_g_tuner,
.vidioc_s_tuner = cx25821_vidioc_s_tuner,
.vidioc_g_frequency = cx25821_vidioc_g_frequency,
.vidioc_s_frequency = cx25821_vidioc_s_frequency,
#endif
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_register = cx25821_vidioc_g_register,
.vidioc_s_register = cx25821_vidioc_s_register,
#endif
};
struct video_device cx25821_video_template4 = {
.name = "cx25821-video",
.fops = &video_fops,
.ioctl_ops = &video_ioctl_ops,
.tvnorms = CX25821_NORMS,
.current_norm = V4L2_STD_NTSC_M,
};
drivers/staging/cx25821/cx25821-video5.c deleted 100644 → 0
View file @ fab81259
/*
* Driver for the Conexant CX25821 PCIe bridge
*
* Copyright (C) 2009 Conexant Systems Inc.
* Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
* Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
*
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "cx25821-video.h"
static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
{
struct cx25821_buffer *buf =
container_of(vb, struct cx25821_buffer, vb);
struct cx25821_buffer *prev;
struct cx25821_fh *fh = vq->priv_data;
struct cx25821_dev *dev = fh->dev;
struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH05];
/* add jump to stopper */
buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
if (!list_empty(&q->queued)) {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf,
buf->vb.i);
} else if (list_empty(&q->active)) {
list_add_tail(&buf->vb.queue, &q->active);
cx25821_start_video_dma(dev, q, buf,
&dev->sram_channels[SRAM_CH05]);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
dprintk(2,
"[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
buf, buf->vb.i, buf->count, q->count);
} else {
prev =
list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
if (prev->vb.width == buf->vb.width
&& prev->vb.height == buf->vb.height
&& prev->fmt == buf->fmt) {
list_add_tail(&buf->vb.queue, &q->active);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
/* 64 bit bits 63-32 */
prev->risc.jmp[2] = cpu_to_le32(0);
dprintk(2,
"[%p/%d] buffer_queue - append to active, buf->count=%d\n",
buf, buf->vb.i, buf->count);
} else {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf,
buf->vb.i);
}
}
if (list_empty(&q->active)) {
dprintk(2, "active queue empty!\n");
}
}
static struct videobuf_queue_ops cx25821_video_qops = {
.buf_setup = cx25821_buffer_setup,
.buf_prepare = cx25821_buffer_prepare,
.buf_queue = buffer_queue,
.buf_release = cx25821_buffer_release,
};
static int video_open(struct file *file)
{
struct video_device *vdev = video_devdata(file);
struct cx25821_dev *dev = video_drvdata(file);
struct cx25821_fh *fh;
enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
u32 pix_format;
printk("open dev=%s type=%s\n", video_device_node_name(vdev),
v4l2_type_names[type]);
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
if (NULL == fh)
return -ENOMEM;
lock_kernel();
file->private_data = fh;
fh->dev = dev;
fh->type = type;
fh->width = 720;
if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
fh->height = 576;
else
fh->height = 480;
dev->channel_opened = SRAM_CH05;
pix_format =
(dev->pixel_formats[dev->channel_opened] ==
PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV;
fh->fmt = format_by_fourcc(pix_format);
v4l2_prio_open(&dev->prio, &fh->prio);
videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
&dev->pci->dev, &dev->slock,
V4L2_BUF_TYPE_VIDEO_CAPTURE,
V4L2_FIELD_INTERLACED,
sizeof(struct cx25821_buffer), fh);
dprintk(1, "post videobuf_queue_init()\n");
unlock_kernel();
return 0;
}
static ssize_t video_read(struct file *file, char __user * data, size_t count,
loff_t * ppos)
{
struct cx25821_fh *fh = file->private_data;
switch (fh->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
if (cx25821_res_locked(fh->dev, RESOURCE_VIDEO5))
return -EBUSY;
return videobuf_read_one(&fh->vidq, data, count, ppos,
file->f_flags & O_NONBLOCK);
default:
BUG();
return 0;
}
}
static unsigned int video_poll(struct file *file,
struct poll_table_struct *wait)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_buffer *buf;
if (cx25821_res_check(fh, RESOURCE_VIDEO5)) {
/* streaming capture */
if (list_empty(&fh->vidq.stream))
return POLLERR;
buf = list_entry(fh->vidq.stream.next,
struct cx25821_buffer, vb.stream);
} else {
/* read() capture */
buf = (struct cx25821_buffer *)fh->vidq.read_buf;
if (NULL == buf)
return POLLERR;
}
poll_wait(file, &buf->vb.done, wait);
if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) {
if (buf->vb.state == VIDEOBUF_DONE) {
struct cx25821_dev *dev = fh->dev;
if (dev && dev->use_cif_resolution[SRAM_CH05]) {
u8 cam_id = *((char *)buf->vb.baddr + 3);
memcpy((char *)buf->vb.baddr,
(char *)buf->vb.baddr + (fh->width * 2),
(fh->width * 2));
*((char *)buf->vb.baddr + 3) = cam_id;
}
}
return POLLIN | POLLRDNORM;
}
return 0;
}
static int video_release(struct file *file)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_dev *dev = fh->dev;
//stop the risc engine and fifo
cx_write(channel5->dma_ctl, 0); /* FIFO and RISC disable */
/* stop video capture */
if (cx25821_res_check(fh, RESOURCE_VIDEO5)) {
videobuf_queue_cancel(&fh->vidq);
cx25821_res_free(dev, fh, RESOURCE_VIDEO5);
}
if (fh->vidq.read_buf) {
cx25821_buffer_release(&fh->vidq, fh->vidq.read_buf);
kfree(fh->vidq.read_buf);
}
videobuf_mmap_free(&fh->vidq);
v4l2_prio_close(&dev->prio, fh->prio);
file->private_data = NULL;
kfree(fh);
return 0;
}
static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) {
return -EINVAL;
}
if (unlikely(i != fh->type)) {
return -EINVAL;
}
if (unlikely(!cx25821_res_get(dev, fh, cx25821_get_resource(fh, RESOURCE_VIDEO5)))) {
return -EBUSY;
}
return videobuf_streamon(get_queue(fh));
}
static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
int err, res;
if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
if (i != fh->type)
return -EINVAL;
res = cx25821_get_resource(fh, RESOURCE_VIDEO5);
err = videobuf_streamoff(get_queue(fh));
if (err < 0)
return err;
cx25821_res_free(dev, fh, res);
return 0;
}
static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
int pix_format = 0;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
dprintk(2, "%s()\n", __func__);
err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
if (0 != err)
return err;
fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
fh->vidq.field = f->fmt.pix.field;
// check if width and height is valid based on set standard
if (cx25821_is_valid_width(f->fmt.pix.width, dev->tvnorm)) {
fh->width = f->fmt.pix.width;
}
if (cx25821_is_valid_height(f->fmt.pix.height, dev->tvnorm)) {
fh->height = f->fmt.pix.height;
}
if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P)
pix_format = PIXEL_FRMT_411;
else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
pix_format = PIXEL_FRMT_422;
else
return -EINVAL;
cx25821_set_pixel_format(dev, SRAM_CH05, pix_format);
// check if cif resolution
if (fh->width == 320 || fh->width == 352) {
dev->use_cif_resolution[SRAM_CH05] = 1;
} else {
dev->use_cif_resolution[SRAM_CH05] = 0;
}
dev->cif_width[SRAM_CH05] = fh->width;
medusa_set_resolution(dev, fh->width, SRAM_CH05);
dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width,
fh->height, fh->vidq.field);
cx25821_call_all(dev, video, s_fmt, f);
return 0;
}
static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
{
int ret_val = 0;
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
p->sequence = dev->vidq[SRAM_CH05].count;
return ret_val;
}
static int vidioc_log_status(struct file *file, void *priv)
{
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
char name[32 + 2];
struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH05];
u32 tmp = 0;
snprintf(name, sizeof(name), "%s/2", dev->name);
printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n",
dev->name);
cx25821_call_all(dev, core, log_status);
tmp = cx_read(sram_ch->dma_ctl);
printk(KERN_INFO "Video input 5 is %s\n",
(tmp & 0x11) ? "streaming" : "stopped");
printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n",
dev->name);
return 0;
}
static int vidioc_s_ctrl(struct file *file, void *priv,
struct v4l2_control *ctl)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
return cx25821_set_control(dev, ctl, SRAM_CH05);
}
// exported stuff
static const struct v4l2_file_operations video_fops = {
.owner = THIS_MODULE,
.open = video_open,
.release = video_release,
.read = video_read,
.poll = video_poll,
.mmap = cx25821_video_mmap,
.ioctl = video_ioctl2,
};
static const struct v4l2_ioctl_ops video_ioctl_ops = {
.vidioc_querycap = cx25821_vidioc_querycap,
.vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap,
.vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap,
.vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
.vidioc_reqbufs = cx25821_vidioc_reqbufs,
.vidioc_querybuf = cx25821_vidioc_querybuf,
.vidioc_qbuf = cx25821_vidioc_qbuf,
.vidioc_dqbuf = vidioc_dqbuf,
#ifdef TUNER_FLAG
.vidioc_s_std = cx25821_vidioc_s_std,
.vidioc_querystd = cx25821_vidioc_querystd,
#endif
.vidioc_cropcap = cx25821_vidioc_cropcap,
.vidioc_s_crop = cx25821_vidioc_s_crop,
.vidioc_g_crop = cx25821_vidioc_g_crop,
.vidioc_enum_input = cx25821_vidioc_enum_input,
.vidioc_g_input = cx25821_vidioc_g_input,
.vidioc_s_input = cx25821_vidioc_s_input,
.vidioc_g_ctrl = cx25821_vidioc_g_ctrl,
.vidioc_s_ctrl = vidioc_s_ctrl,
.vidioc_queryctrl = cx25821_vidioc_queryctrl,
.vidioc_streamon = vidioc_streamon,
.vidioc_streamoff = vidioc_streamoff,
.vidioc_log_status = vidioc_log_status,
.vidioc_g_priority = cx25821_vidioc_g_priority,
.vidioc_s_priority = cx25821_vidioc_s_priority,
#ifdef CONFIG_VIDEO_V4L1_COMPAT
.vidiocgmbuf = cx25821_vidiocgmbuf,
#endif
#ifdef TUNER_FLAG
.vidioc_g_tuner = cx25821_vidioc_g_tuner,
.vidioc_s_tuner = cx25821_vidioc_s_tuner,
.vidioc_g_frequency = cx25821_vidioc_g_frequency,
.vidioc_s_frequency = cx25821_vidioc_s_frequency,
#endif
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_register = cx25821_vidioc_g_register,
.vidioc_s_register = cx25821_vidioc_s_register,
#endif
};
struct video_device cx25821_video_template5 = {
.name = "cx25821-video",
.fops = &video_fops,
.ioctl_ops = &video_ioctl_ops,
.tvnorms = CX25821_NORMS,
.current_norm = V4L2_STD_NTSC_M,
};
drivers/staging/cx25821/cx25821-video6.c deleted 100644 → 0
View file @ fab81259
/*
* Driver for the Conexant CX25821 PCIe bridge
*
* Copyright (C) 2009 Conexant Systems Inc.
* Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
* Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
*
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "cx25821-video.h"
static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
{
struct cx25821_buffer *buf =
container_of(vb, struct cx25821_buffer, vb);
struct cx25821_buffer *prev;
struct cx25821_fh *fh = vq->priv_data;
struct cx25821_dev *dev = fh->dev;
struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH06];
/* add jump to stopper */
buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
if (!list_empty(&q->queued)) {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf,
buf->vb.i);
} else if (list_empty(&q->active)) {
list_add_tail(&buf->vb.queue, &q->active);
cx25821_start_video_dma(dev, q, buf,
&dev->sram_channels[SRAM_CH06]);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
dprintk(2,
"[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
buf, buf->vb.i, buf->count, q->count);
} else {
prev =
list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
if (prev->vb.width == buf->vb.width
&& prev->vb.height == buf->vb.height
&& prev->fmt == buf->fmt) {
list_add_tail(&buf->vb.queue, &q->active);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
/* 64 bit bits 63-32 */
prev->risc.jmp[2] = cpu_to_le32(0);
dprintk(2,
"[%p/%d] buffer_queue - append to active, buf->count=%d\n",
buf, buf->vb.i, buf->count);
} else {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf,
buf->vb.i);
}
}
if (list_empty(&q->active)) {
dprintk(2, "active queue empty!\n");
}
}
static struct videobuf_queue_ops cx25821_video_qops = {
.buf_setup = cx25821_buffer_setup,
.buf_prepare = cx25821_buffer_prepare,
.buf_queue = buffer_queue,
.buf_release = cx25821_buffer_release,
};
static int video_open(struct file *file)
{
struct video_device *vdev = video_devdata(file);
struct cx25821_dev *dev = video_drvdata(file);
struct cx25821_fh *fh;
enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
u32 pix_format;
printk("open dev=%s type=%s\n", video_device_node_name(vdev),
v4l2_type_names[type]);
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
if (NULL == fh)
return -ENOMEM;
lock_kernel();
file->private_data = fh;
fh->dev = dev;
fh->type = type;
fh->width = 720;
if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
fh->height = 576;
else
fh->height = 480;
dev->channel_opened = SRAM_CH06;
pix_format =
(dev->pixel_formats[dev->channel_opened] ==
PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV;
fh->fmt = format_by_fourcc(pix_format);
v4l2_prio_open(&dev->prio, &fh->prio);
videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
&dev->pci->dev, &dev->slock,
V4L2_BUF_TYPE_VIDEO_CAPTURE,
V4L2_FIELD_INTERLACED,
sizeof(struct cx25821_buffer), fh);
dprintk(1, "post videobuf_queue_init()\n");
unlock_kernel();
return 0;
}
static ssize_t video_read(struct file *file, char __user * data, size_t count,
loff_t * ppos)
{
struct cx25821_fh *fh = file->private_data;
switch (fh->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
if (cx25821_res_locked(fh->dev, RESOURCE_VIDEO6))
return -EBUSY;
return videobuf_read_one(&fh->vidq, data, count, ppos,
file->f_flags & O_NONBLOCK);
default:
BUG();
return 0;
}
}
static unsigned int video_poll(struct file *file,
struct poll_table_struct *wait)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_buffer *buf;
if (cx25821_res_check(fh, RESOURCE_VIDEO6)) {
/* streaming capture */
if (list_empty(&fh->vidq.stream))
return POLLERR;
buf = list_entry(fh->vidq.stream.next,
struct cx25821_buffer, vb.stream);
} else {
/* read() capture */
buf = (struct cx25821_buffer *)fh->vidq.read_buf;
if (NULL == buf)
return POLLERR;
}
poll_wait(file, &buf->vb.done, wait);
if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) {
if (buf->vb.state == VIDEOBUF_DONE) {
struct cx25821_dev *dev = fh->dev;
if (dev && dev->use_cif_resolution[SRAM_CH06]) {
u8 cam_id = *((char *)buf->vb.baddr + 3);
memcpy((char *)buf->vb.baddr,
(char *)buf->vb.baddr + (fh->width * 2),
(fh->width * 2));
*((char *)buf->vb.baddr + 3) = cam_id;
}
}
return POLLIN | POLLRDNORM;
}
return 0;
}
static int video_release(struct file *file)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_dev *dev = fh->dev;
//stop the risc engine and fifo
cx_write(channel6->dma_ctl, 0); /* FIFO and RISC disable */
/* stop video capture */
if (cx25821_res_check(fh, RESOURCE_VIDEO6)) {
videobuf_queue_cancel(&fh->vidq);
cx25821_res_free(dev, fh, RESOURCE_VIDEO6);
}
if (fh->vidq.read_buf) {
cx25821_buffer_release(&fh->vidq, fh->vidq.read_buf);
kfree(fh->vidq.read_buf);
}
videobuf_mmap_free(&fh->vidq);
v4l2_prio_close(&dev->prio, fh->prio);
file->private_data = NULL;
kfree(fh);
return 0;
}
static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) {
return -EINVAL;
}
if (unlikely(i != fh->type)) {
return -EINVAL;
}
if (unlikely(!cx25821_res_get(dev, fh, cx25821_get_resource(fh, RESOURCE_VIDEO6)))) {
return -EBUSY;
}
return videobuf_streamon(get_queue(fh));
}
static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
int err, res;
if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
if (i != fh->type)
return -EINVAL;
res = cx25821_get_resource(fh, RESOURCE_VIDEO6);
err = videobuf_streamoff(get_queue(fh));
if (err < 0)
return err;
cx25821_res_free(dev, fh, res);
return 0;
}
static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
int pix_format = 0;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
dprintk(2, "%s()\n", __func__);
err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
if (0 != err)
return err;
fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
fh->vidq.field = f->fmt.pix.field;
// check if width and height is valid based on set standard
if (cx25821_is_valid_width(f->fmt.pix.width, dev->tvnorm)) {
fh->width = f->fmt.pix.width;
}
if (cx25821_is_valid_height(f->fmt.pix.height, dev->tvnorm)) {
fh->height = f->fmt.pix.height;
}
if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P)
pix_format = PIXEL_FRMT_411;
else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
pix_format = PIXEL_FRMT_422;
else
return -EINVAL;
cx25821_set_pixel_format(dev, SRAM_CH06, pix_format);
// check if cif resolution
if (fh->width == 320 || fh->width == 352) {
dev->use_cif_resolution[SRAM_CH06] = 1;
} else {
dev->use_cif_resolution[SRAM_CH06] = 0;
}
dev->cif_width[SRAM_CH06] = fh->width;
medusa_set_resolution(dev, fh->width, SRAM_CH06);
dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width,
fh->height, fh->vidq.field);
cx25821_call_all(dev, video, s_fmt, f);
return 0;
}
static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
{
int ret_val = 0;
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
p->sequence = dev->vidq[SRAM_CH06].count;
return ret_val;
}
static int vidioc_log_status(struct file *file, void *priv)
{
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
char name[32 + 2];
struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH06];
u32 tmp = 0;
snprintf(name, sizeof(name), "%s/2", dev->name);
printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n",
dev->name);
cx25821_call_all(dev, core, log_status);
tmp = cx_read(sram_ch->dma_ctl);
printk(KERN_INFO "Video input 6 is %s\n",
(tmp & 0x11) ? "streaming" : "stopped");
printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n",
dev->name);
return 0;
}
static int vidioc_s_ctrl(struct file *file, void *priv,
struct v4l2_control *ctl)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
return cx25821_set_control(dev, ctl, SRAM_CH06);
}
// exported stuff
static const struct v4l2_file_operations video_fops = {
.owner = THIS_MODULE,
.open = video_open,
.release = video_release,
.read = video_read,
.poll = video_poll,
.mmap = cx25821_video_mmap,
.ioctl = video_ioctl2,
};
static const struct v4l2_ioctl_ops video_ioctl_ops = {
.vidioc_querycap = cx25821_vidioc_querycap,
.vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap,
.vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap,
.vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
.vidioc_reqbufs = cx25821_vidioc_reqbufs,
.vidioc_querybuf = cx25821_vidioc_querybuf,
.vidioc_qbuf = cx25821_vidioc_qbuf,
.vidioc_dqbuf = vidioc_dqbuf,
#ifdef TUNER_FLAG
.vidioc_s_std = cx25821_vidioc_s_std,
.vidioc_querystd = cx25821_vidioc_querystd,
#endif
.vidioc_cropcap = cx25821_vidioc_cropcap,
.vidioc_s_crop = cx25821_vidioc_s_crop,
.vidioc_g_crop = cx25821_vidioc_g_crop,
.vidioc_enum_input = cx25821_vidioc_enum_input,
.vidioc_g_input = cx25821_vidioc_g_input,
.vidioc_s_input = cx25821_vidioc_s_input,
.vidioc_g_ctrl = cx25821_vidioc_g_ctrl,
.vidioc_s_ctrl = vidioc_s_ctrl,
.vidioc_queryctrl = cx25821_vidioc_queryctrl,
.vidioc_streamon = vidioc_streamon,
.vidioc_streamoff = vidioc_streamoff,
.vidioc_log_status = vidioc_log_status,
.vidioc_g_priority = cx25821_vidioc_g_priority,
.vidioc_s_priority = cx25821_vidioc_s_priority,
#ifdef CONFIG_VIDEO_V4L1_COMPAT
.vidiocgmbuf = cx25821_vidiocgmbuf,
#endif
#ifdef TUNER_FLAG
.vidioc_g_tuner = cx25821_vidioc_g_tuner,
.vidioc_s_tuner = cx25821_vidioc_s_tuner,
.vidioc_g_frequency = cx25821_vidioc_g_frequency,
.vidioc_s_frequency = cx25821_vidioc_s_frequency,
#endif
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_register = cx25821_vidioc_g_register,
.vidioc_s_register = cx25821_vidioc_s_register,
#endif
};
struct video_device cx25821_video_template6 = {
.name = "cx25821-video",
.fops = &video_fops,
.ioctl_ops = &video_ioctl_ops,
.tvnorms = CX25821_NORMS,
.current_norm = V4L2_STD_NTSC_M,
};
drivers/staging/cx25821/cx25821-video7.c deleted 100644 → 0
View file @ fab81259
/*
* Driver for the Conexant CX25821 PCIe bridge
*
* Copyright (C) 2009 Conexant Systems Inc.
* Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
* Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
*
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "cx25821-video.h"
static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
{
struct cx25821_buffer *buf =
container_of(vb, struct cx25821_buffer, vb);
struct cx25821_buffer *prev;
struct cx25821_fh *fh = vq->priv_data;
struct cx25821_dev *dev = fh->dev;
struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH07];
/* add jump to stopper */
buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
if (!list_empty(&q->queued)) {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf,
buf->vb.i);
} else if (list_empty(&q->active)) {
list_add_tail(&buf->vb.queue, &q->active);
cx25821_start_video_dma(dev, q, buf,
&dev->sram_channels[SRAM_CH07]);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
dprintk(2,
"[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
buf, buf->vb.i, buf->count, q->count);
} else {
prev =
list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
if (prev->vb.width == buf->vb.width
&& prev->vb.height == buf->vb.height
&& prev->fmt == buf->fmt) {
list_add_tail(&buf->vb.queue, &q->active);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
/* 64 bit bits 63-32 */
prev->risc.jmp[2] = cpu_to_le32(0);
dprintk(2,
"[%p/%d] buffer_queue - append to active, buf->count=%d\n",
buf, buf->vb.i, buf->count);
} else {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf,
buf->vb.i);
}
}
if (list_empty(&q->active)) {
dprintk(2, "active queue empty!\n");
}
}
static struct videobuf_queue_ops cx25821_video_qops = {
.buf_setup = cx25821_buffer_setup,
.buf_prepare = cx25821_buffer_prepare,
.buf_queue = buffer_queue,
.buf_release = cx25821_buffer_release,
};
static int video_open(struct file *file)
{
struct video_device *vdev = video_devdata(file);
struct cx25821_dev *dev = video_drvdata(file);
struct cx25821_fh *fh;
enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
u32 pix_format;
printk("open dev=%s type=%s\n", video_device_node_name(vdev),
v4l2_type_names[type]);
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
if (NULL == fh)
return -ENOMEM;
lock_kernel();
file->private_data = fh;
fh->dev = dev;
fh->type = type;
fh->width = 720;
if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
fh->height = 576;
else
fh->height = 480;
dev->channel_opened = SRAM_CH07;
pix_format =
(dev->pixel_formats[dev->channel_opened] ==
PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV;
fh->fmt = format_by_fourcc(pix_format);
v4l2_prio_open(&dev->prio, &fh->prio);
videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
&dev->pci->dev, &dev->slock,
V4L2_BUF_TYPE_VIDEO_CAPTURE,
V4L2_FIELD_INTERLACED,
sizeof(struct cx25821_buffer), fh);
dprintk(1, "post videobuf_queue_init()\n");
unlock_kernel();
return 0;
}
static ssize_t video_read(struct file *file, char __user * data, size_t count,
loff_t * ppos)
{
struct cx25821_fh *fh = file->private_data;
switch (fh->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
if (cx25821_res_locked(fh->dev, RESOURCE_VIDEO7))
return -EBUSY;
return videobuf_read_one(&fh->vidq, data, count, ppos,
file->f_flags & O_NONBLOCK);
default:
BUG();
return 0;
}
}
static unsigned int video_poll(struct file *file,
struct poll_table_struct *wait)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_buffer *buf;
if (cx25821_res_check(fh, RESOURCE_VIDEO7)) {
/* streaming capture */
if (list_empty(&fh->vidq.stream))
return POLLERR;
buf = list_entry(fh->vidq.stream.next,
struct cx25821_buffer, vb.stream);
} else {
/* read() capture */
buf = (struct cx25821_buffer *)fh->vidq.read_buf;
if (NULL == buf)
return POLLERR;
}
poll_wait(file, &buf->vb.done, wait);
if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) {
if (buf->vb.state == VIDEOBUF_DONE) {
struct cx25821_dev *dev = fh->dev;
if (dev && dev->use_cif_resolution[SRAM_CH07]) {
u8 cam_id = *((char *)buf->vb.baddr + 3);
memcpy((char *)buf->vb.baddr,
(char *)buf->vb.baddr + (fh->width * 2),
(fh->width * 2));
*((char *)buf->vb.baddr + 3) = cam_id;
}
}
return POLLIN | POLLRDNORM;
}
return 0;
}
static int video_release(struct file *file)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_dev *dev = fh->dev;
//stop the risc engine and fifo
cx_write(channel7->dma_ctl, 0); /* FIFO and RISC disable */
/* stop video capture */
if (cx25821_res_check(fh, RESOURCE_VIDEO7)) {
videobuf_queue_cancel(&fh->vidq);
cx25821_res_free(dev, fh, RESOURCE_VIDEO7);
}
if (fh->vidq.read_buf) {
cx25821_buffer_release(&fh->vidq, fh->vidq.read_buf);
kfree(fh->vidq.read_buf);
}
videobuf_mmap_free(&fh->vidq);
v4l2_prio_close(&dev->prio, fh->prio);
file->private_data = NULL;
kfree(fh);
return 0;
}
static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) {
return -EINVAL;
}
if (unlikely(i != fh->type)) {
return -EINVAL;
}
if (unlikely(!cx25821_res_get(dev, fh, cx25821_get_resource(fh, RESOURCE_VIDEO7)))) {
return -EBUSY;
}
return videobuf_streamon(get_queue(fh));
}
static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
int err, res;
if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
if (i != fh->type)
return -EINVAL;
res = cx25821_get_resource(fh, RESOURCE_VIDEO7);
err = videobuf_streamoff(get_queue(fh));
if (err < 0)
return err;
cx25821_res_free(dev, fh, res);
return 0;
}
static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
int pix_format = 0;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
dprintk(2, "%s()\n", __func__);
err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
if (0 != err)
return err;
fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
fh->vidq.field = f->fmt.pix.field;
// check if width and height is valid based on set standard
if (cx25821_is_valid_width(f->fmt.pix.width, dev->tvnorm)) {
fh->width = f->fmt.pix.width;
}
if (cx25821_is_valid_height(f->fmt.pix.height, dev->tvnorm)) {
fh->height = f->fmt.pix.height;
}
if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P)
pix_format = PIXEL_FRMT_411;
else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
pix_format = PIXEL_FRMT_422;
else
return -EINVAL;
cx25821_set_pixel_format(dev, SRAM_CH07, pix_format);
// check if cif resolution
if (fh->width == 320 || fh->width == 352) {
dev->use_cif_resolution[SRAM_CH07] = 1;
} else {
dev->use_cif_resolution[SRAM_CH07] = 0;
}
dev->cif_width[SRAM_CH07] = fh->width;
medusa_set_resolution(dev, fh->width, SRAM_CH07);
dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width,
fh->height, fh->vidq.field);
cx25821_call_all(dev, video, s_fmt, f);
return 0;
}
static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
{
int ret_val = 0;
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
p->sequence = dev->vidq[SRAM_CH07].count;
return ret_val;
}
static int vidioc_log_status(struct file *file, void *priv)
{
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
char name[32 + 2];
struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH07];
u32 tmp = 0;
snprintf(name, sizeof(name), "%s/2", dev->name);
printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n",
dev->name);
cx25821_call_all(dev, core, log_status);
tmp = cx_read(sram_ch->dma_ctl);
printk(KERN_INFO "Video input 7 is %s\n",
(tmp & 0x11) ? "streaming" : "stopped");
printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n",
dev->name);
return 0;
}
static int vidioc_s_ctrl(struct file *file, void *priv,
struct v4l2_control *ctl)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
return cx25821_set_control(dev, ctl, SRAM_CH07);
}
// exported stuff
static const struct v4l2_file_operations video_fops = {
.owner = THIS_MODULE,
.open = video_open,
.release = video_release,
.read = video_read,
.poll = video_poll,
.mmap = cx25821_video_mmap,
.ioctl = video_ioctl2,
};
static const struct v4l2_ioctl_ops video_ioctl_ops = {
.vidioc_querycap = cx25821_vidioc_querycap,
.vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap,
.vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap,
.vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
.vidioc_reqbufs = cx25821_vidioc_reqbufs,
.vidioc_querybuf = cx25821_vidioc_querybuf,
.vidioc_qbuf = cx25821_vidioc_qbuf,
.vidioc_dqbuf = vidioc_dqbuf,
#ifdef TUNER_FLAG
.vidioc_s_std = cx25821_vidioc_s_std,
.vidioc_querystd = cx25821_vidioc_querystd,
#endif
.vidioc_cropcap = cx25821_vidioc_cropcap,
.vidioc_s_crop = cx25821_vidioc_s_crop,
.vidioc_g_crop = cx25821_vidioc_g_crop,
.vidioc_enum_input = cx25821_vidioc_enum_input,
.vidioc_g_input = cx25821_vidioc_g_input,
.vidioc_s_input = cx25821_vidioc_s_input,
.vidioc_g_ctrl = cx25821_vidioc_g_ctrl,
.vidioc_s_ctrl = vidioc_s_ctrl,
.vidioc_queryctrl = cx25821_vidioc_queryctrl,
.vidioc_streamon = vidioc_streamon,
.vidioc_streamoff = vidioc_streamoff,
.vidioc_log_status = vidioc_log_status,
.vidioc_g_priority = cx25821_vidioc_g_priority,
.vidioc_s_priority = cx25821_vidioc_s_priority,
#ifdef CONFIG_VIDEO_V4L1_COMPAT
.vidiocgmbuf = cx25821_vidiocgmbuf,
#endif
#ifdef TUNER_FLAG
.vidioc_g_tuner = cx25821_vidioc_g_tuner,
.vidioc_s_tuner = cx25821_vidioc_s_tuner,
.vidioc_g_frequency = cx25821_vidioc_g_frequency,
.vidioc_s_frequency = cx25821_vidioc_s_frequency,
#endif
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_register = cx25821_vidioc_g_register,
.vidioc_s_register = cx25821_vidioc_s_register,
#endif
};
struct video_device cx25821_video_template7 = {
.name = "cx25821-video",
.fops = &video_fops,
.ioctl_ops = &video_ioctl_ops,
.tvnorms = CX25821_NORMS,
.current_norm = V4L2_STD_NTSC_M,
};
drivers/staging/cx25821/cx25821-videoioctl.c deleted 100644 → 0
View file @ fab81259
/*
* Driver for the Conexant CX25821 PCIe bridge
*
* Copyright (C) 2009 Conexant Systems Inc.
* Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
* Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
*
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "cx25821-video.h"
static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
{
struct cx25821_buffer *buf =
container_of(vb, struct cx25821_buffer, vb);
struct cx25821_buffer *prev;
struct cx25821_fh *fh = vq->priv_data;
struct cx25821_dev *dev = fh->dev;
struct cx25821_dmaqueue *q = &dev->vidq[VIDEO_IOCTL_CH];
/* add jump to stopper */
buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
if (!list_empty(&q->queued)) {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf,
buf->vb.i);
} else if (list_empty(&q->active)) {
list_add_tail(&buf->vb.queue, &q->active);
cx25821_start_video_dma(dev, q, buf,
&dev->sram_channels[VIDEO_IOCTL_CH]);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
dprintk(2,
"[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
buf, buf->vb.i, buf->count, q->count);
} else {
prev =
list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
if (prev->vb.width == buf->vb.width
&& prev->vb.height == buf->vb.height
&& prev->fmt == buf->fmt) {
list_add_tail(&buf->vb.queue, &q->active);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
/* 64 bit bits 63-32 */
prev->risc.jmp[2] = cpu_to_le32(0);
dprintk(2,
"[%p/%d] buffer_queue - append to active, buf->count=%d\n",
buf, buf->vb.i, buf->count);
} else {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf,
buf->vb.i);
}
}
if (list_empty(&q->active)) {
dprintk(2, "active queue empty!\n");
}
}
static struct videobuf_queue_ops cx25821_video_qops = {
.buf_setup = cx25821_buffer_setup,
.buf_prepare = cx25821_buffer_prepare,
.buf_queue = buffer_queue,
.buf_release = cx25821_buffer_release,
};
static int video_open(struct file *file)
{
struct video_device *vdev = video_devdata(file);
struct cx25821_dev *dev = video_drvdata(file);
struct cx25821_fh *fh;
enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
u32 pix_format;
printk("open dev=%s type=%s\n", video_device_node_name(vdev),
v4l2_type_names[type]);
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
if (NULL == fh)
return -ENOMEM;
lock_kernel();
file->private_data = fh;
fh->dev = dev;
fh->type = type;
fh->width = 720;
if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
fh->height = 576;
else
fh->height = 480;
dev->channel_opened = VIDEO_IOCTL_CH;
pix_format = V4L2_PIX_FMT_YUYV;
fh->fmt = format_by_fourcc(pix_format);
v4l2_prio_open(&dev->prio, &fh->prio);
videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
&dev->pci->dev, &dev->slock,
V4L2_BUF_TYPE_VIDEO_CAPTURE,
V4L2_FIELD_INTERLACED,
sizeof(struct cx25821_buffer), fh);
dprintk(1, "post videobuf_queue_init()\n");
unlock_kernel();
return 0;
}
static ssize_t video_read(struct file *file, char __user * data, size_t count,
loff_t * ppos)
{
struct cx25821_fh *fh = file->private_data;
switch (fh->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
if (cx25821_res_locked(fh->dev, RESOURCE_VIDEO_IOCTL))
return -EBUSY;
return videobuf_read_one(&fh->vidq, data, count, ppos,
file->f_flags & O_NONBLOCK);
default:
BUG();
return 0;
}
}
static unsigned int video_poll(struct file *file,
struct poll_table_struct *wait)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_buffer *buf;
if (cx25821_res_check(fh, RESOURCE_VIDEO_IOCTL)) {
/* streaming capture */
if (list_empty(&fh->vidq.stream))
return POLLERR;
buf = list_entry(fh->vidq.stream.next,
struct cx25821_buffer, vb.stream);
} else {
/* read() capture */
buf = (struct cx25821_buffer *)fh->vidq.read_buf;
if (NULL == buf)
return POLLERR;
}
poll_wait(file, &buf->vb.done, wait);
if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR)
return POLLIN | POLLRDNORM;
return 0;
}
static int video_release(struct file *file)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_dev *dev = fh->dev;
/* stop video capture */
if (cx25821_res_check(fh, RESOURCE_VIDEO_IOCTL)) {
videobuf_queue_cancel(&fh->vidq);
cx25821_res_free(dev, fh, RESOURCE_VIDEO_IOCTL);
}
if (fh->vidq.read_buf) {
cx25821_buffer_release(&fh->vidq, fh->vidq.read_buf);
kfree(fh->vidq.read_buf);
}
videobuf_mmap_free(&fh->vidq);
v4l2_prio_close(&dev->prio, fh->prio);
file->private_data = NULL;
kfree(fh);
return 0;
}
static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) {
return -EINVAL;
}
if (unlikely(i != fh->type)) {
return -EINVAL;
}
if (unlikely(!cx25821_res_get(dev, fh, cx25821_get_resource(fh, RESOURCE_VIDEO_IOCTL)))) {
return -EBUSY;
}
return videobuf_streamon(get_queue(fh));
}
static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
int err, res;
if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
if (i != fh->type)
return -EINVAL;
res = cx25821_get_resource(fh, RESOURCE_VIDEO_IOCTL);
err = videobuf_streamoff(get_queue(fh));
if (err < 0)
return err;
cx25821_res_free(dev, fh, res);
return 0;
}
static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
dprintk(2, "%s()\n", __func__);
err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
if (0 != err)
return err;
fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
fh->width = f->fmt.pix.width;
fh->height = f->fmt.pix.height;
fh->vidq.field = f->fmt.pix.field;
dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width,
fh->height, fh->vidq.field);
cx25821_call_all(dev, video, s_fmt, f);
return 0;
}
static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
{
struct cx25821_fh *fh = priv;
return videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
}
static long video_ioctl_set(struct file *file, unsigned int cmd,
unsigned long arg)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_dev *dev = fh->dev;
struct downstream_user_struct *data_from_user;
int command;
int width = 720;
int selected_channel = 0, pix_format = 0, i = 0;
int cif_enable = 0, cif_width = 0;
u32 value = 0;
data_from_user = (struct downstream_user_struct *)arg;
if (!data_from_user) {
printk("cx25821 in %s(): User data is INVALID. Returning.\n",
__func__);
return 0;
}
command = data_from_user->command;
if (command != SET_VIDEO_STD && command != SET_PIXEL_FORMAT
&& command != ENABLE_CIF_RESOLUTION && command != REG_READ
&& command != REG_WRITE && command != MEDUSA_READ
&& command != MEDUSA_WRITE) {
return 0;
}
switch (command) {
case SET_VIDEO_STD:
dev->tvnorm =
!strcmp(data_from_user->vid_stdname,
"PAL") ? V4L2_STD_PAL_BG : V4L2_STD_NTSC_M;
medusa_set_videostandard(dev);
break;
case SET_PIXEL_FORMAT:
selected_channel = data_from_user->decoder_select;
pix_format = data_from_user->pixel_format;
if (!(selected_channel <= 7 && selected_channel >= 0)) {
selected_channel -= 4;
selected_channel = selected_channel % 8;
}
if (selected_channel >= 0)
cx25821_set_pixel_format(dev, selected_channel,
pix_format);
break;
case ENABLE_CIF_RESOLUTION:
selected_channel = data_from_user->decoder_select;
cif_enable = data_from_user->cif_resolution_enable;
cif_width = data_from_user->cif_width;
if (cif_enable) {
if (dev->tvnorm & V4L2_STD_PAL_BG
|| dev->tvnorm & V4L2_STD_PAL_DK)
width = 352;
else
width = (cif_width == 320
|| cif_width == 352) ? cif_width : 320;
}
if (!(selected_channel <= 7 && selected_channel >= 0)) {
selected_channel -= 4;
selected_channel = selected_channel % 8;
}
if (selected_channel <= 7 && selected_channel >= 0) {
dev->use_cif_resolution[selected_channel] = cif_enable;
dev->cif_width[selected_channel] = width;
} else {
for (i = 0; i < VID_CHANNEL_NUM; i++) {
dev->use_cif_resolution[i] = cif_enable;
dev->cif_width[i] = width;
}
}
medusa_set_resolution(dev, width, selected_channel);
break;
case REG_READ:
data_from_user->reg_data = cx_read(data_from_user->reg_address);
break;
case REG_WRITE:
cx_write(data_from_user->reg_address, data_from_user->reg_data);
break;
case MEDUSA_READ:
value =
cx25821_i2c_read(&dev->i2c_bus[0],
(u16) data_from_user->reg_address,
&data_from_user->reg_data);
break;
case MEDUSA_WRITE:
cx25821_i2c_write(&dev->i2c_bus[0],
(u16) data_from_user->reg_address,
data_from_user->reg_data);
break;
}
return 0;
}
static int vidioc_log_status(struct file *file, void *priv)
{
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
char name[32 + 2];
snprintf(name, sizeof(name), "%s/2", dev->name);
printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n",
dev->name);
cx25821_call_all(dev, core, log_status);
printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n",
dev->name);
return 0;
}
static int vidioc_s_ctrl(struct file *file, void *priv,
struct v4l2_control *ctl)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
return 0;
}
// exported stuff
static const struct v4l2_file_operations video_fops = {
.owner = THIS_MODULE,
.open = video_open,
.release = video_release,
.read = video_read,
.poll = video_poll,
.mmap = cx25821_video_mmap,
.ioctl = video_ioctl_set,
};
static const struct v4l2_ioctl_ops video_ioctl_ops = {
.vidioc_querycap = cx25821_vidioc_querycap,
.vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap,
.vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap,
.vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
.vidioc_reqbufs = cx25821_vidioc_reqbufs,
.vidioc_querybuf = cx25821_vidioc_querybuf,
.vidioc_qbuf = cx25821_vidioc_qbuf,
.vidioc_dqbuf = vidioc_dqbuf,
#ifdef TUNER_FLAG
.vidioc_s_std = cx25821_vidioc_s_std,
.vidioc_querystd = cx25821_vidioc_querystd,
#endif
.vidioc_cropcap = cx25821_vidioc_cropcap,
.vidioc_s_crop = cx25821_vidioc_s_crop,
.vidioc_g_crop = cx25821_vidioc_g_crop,
.vidioc_enum_input = cx25821_vidioc_enum_input,
.vidioc_g_input = cx25821_vidioc_g_input,
.vidioc_s_input = cx25821_vidioc_s_input,
.vidioc_g_ctrl = cx25821_vidioc_g_ctrl,
.vidioc_s_ctrl = vidioc_s_ctrl,
.vidioc_queryctrl = cx25821_vidioc_queryctrl,
.vidioc_streamon = vidioc_streamon,
.vidioc_streamoff = vidioc_streamoff,
.vidioc_log_status = vidioc_log_status,
.vidioc_g_priority = cx25821_vidioc_g_priority,
.vidioc_s_priority = cx25821_vidioc_s_priority,
#ifdef CONFIG_VIDEO_V4L1_COMPAT
.vidiocgmbuf = cx25821_vidiocgmbuf,
#endif
#ifdef TUNER_FLAG
.vidioc_g_tuner = cx25821_vidioc_g_tuner,
.vidioc_s_tuner = cx25821_vidioc_s_tuner,
.vidioc_g_frequency = cx25821_vidioc_g_frequency,
.vidioc_s_frequency = cx25821_vidioc_s_frequency,
#endif
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_register = cx25821_vidioc_g_register,
.vidioc_s_register = cx25821_vidioc_s_register,
#endif
};
struct video_device cx25821_videoioctl_template = {
.name = "cx25821-videoioctl",
.fops = &video_fops,
.ioctl_ops = &video_ioctl_ops,
.tvnorms = CX25821_NORMS,
.current_norm = V4L2_STD_NTSC_M,
};
drivers/staging/cx25821/cx25821-vidups10.c deleted 100644 → 0
View file @ fab81259
/*
* Driver for the Conexant CX25821 PCIe bridge
*
* Copyright (C) 2009 Conexant Systems Inc.
* Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
* Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
*
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "cx25821-video.h"
static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
{
struct cx25821_buffer *buf =
container_of(vb, struct cx25821_buffer, vb);
struct cx25821_buffer *prev;
struct cx25821_fh *fh = vq->priv_data;
struct cx25821_dev *dev = fh->dev;
struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH10];
/* add jump to stopper */
buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
if (!list_empty(&q->queued)) {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf,
buf->vb.i);
} else if (list_empty(&q->active)) {
list_add_tail(&buf->vb.queue, &q->active);
cx25821_start_video_dma(dev, q, buf,
&dev->sram_channels[SRAM_CH10]);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
dprintk(2,
"[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
buf, buf->vb.i, buf->count, q->count);
} else {
prev =
list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
if (prev->vb.width == buf->vb.width
&& prev->vb.height == buf->vb.height
&& prev->fmt == buf->fmt) {
list_add_tail(&buf->vb.queue, &q->active);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
/* 64 bit bits 63-32 */
prev->risc.jmp[2] = cpu_to_le32(0);
dprintk(2,
"[%p/%d] buffer_queue - append to active, buf->count=%d\n",
buf, buf->vb.i, buf->count);
} else {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf,
buf->vb.i);
}
}
if (list_empty(&q->active)) {
dprintk(2, "active queue empty!\n");
}
}
static struct videobuf_queue_ops cx25821_video_qops = {
.buf_setup = cx25821_buffer_setup,
.buf_prepare = cx25821_buffer_prepare,
.buf_queue = buffer_queue,
.buf_release = cx25821_buffer_release,
};
static int video_open(struct file *file)
{
struct video_device *vdev = video_devdata(file);
struct cx25821_dev *dev = video_drvdata(file);
struct cx25821_fh *fh;
enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
printk("open dev=%s type=%s\n", video_device_node_name(vdev),
v4l2_type_names[type]);
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
if (NULL == fh)
return -ENOMEM;
lock_kernel();
file->private_data = fh;
fh->dev = dev;
fh->type = type;
fh->width = 720;
if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
fh->height = 576;
else
fh->height = 480;
dev->channel_opened = 9;
fh->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV);
v4l2_prio_open(&dev->prio, &fh->prio);
videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
&dev->pci->dev, &dev->slock,
V4L2_BUF_TYPE_VIDEO_CAPTURE,
V4L2_FIELD_INTERLACED,
sizeof(struct cx25821_buffer), fh);
dprintk(1, "post videobuf_queue_init()\n");
unlock_kernel();
return 0;
}
static ssize_t video_read(struct file *file, char __user * data, size_t count,
loff_t * ppos)
{
struct cx25821_fh *fh = file->private_data;
switch (fh->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
if (cx25821_res_locked(fh->dev, RESOURCE_VIDEO10))
return -EBUSY;
return videobuf_read_one(&fh->vidq, data, count, ppos,
file->f_flags & O_NONBLOCK);
default:
BUG();
return 0;
}
}
static unsigned int video_poll(struct file *file,
struct poll_table_struct *wait)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_buffer *buf;
if (cx25821_res_check(fh, RESOURCE_VIDEO10)) {
/* streaming capture */
if (list_empty(&fh->vidq.stream))
return POLLERR;
buf = list_entry(fh->vidq.stream.next,
struct cx25821_buffer, vb.stream);
} else {
/* read() capture */
buf = (struct cx25821_buffer *)fh->vidq.read_buf;
if (NULL == buf)
return POLLERR;
}
poll_wait(file, &buf->vb.done, wait);
if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR)
return POLLIN | POLLRDNORM;
return 0;
}
static int video_release(struct file *file)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_dev *dev = fh->dev;
//stop the risc engine and fifo
//cx_write(channel10->dma_ctl, 0);
/* stop video capture */
if (cx25821_res_check(fh, RESOURCE_VIDEO10)) {
videobuf_queue_cancel(&fh->vidq);
cx25821_res_free(dev, fh, RESOURCE_VIDEO10);
}
if (fh->vidq.read_buf) {
cx25821_buffer_release(&fh->vidq, fh->vidq.read_buf);
kfree(fh->vidq.read_buf);
}
videobuf_mmap_free(&fh->vidq);
v4l2_prio_close(&dev->prio, fh->prio);
file->private_data = NULL;
kfree(fh);
return 0;
}
static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) {
return -EINVAL;
}
if (unlikely(i != fh->type)) {
return -EINVAL;
}
if (unlikely(!cx25821_res_get(dev, fh, cx25821_get_resource(fh, RESOURCE_VIDEO10)))) {
return -EBUSY;
}
return videobuf_streamon(get_queue(fh));
}
static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
int err, res;
if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
if (i != fh->type)
return -EINVAL;
res = cx25821_get_resource(fh, RESOURCE_VIDEO10);
err = videobuf_streamoff(get_queue(fh));
if (err < 0)
return err;
cx25821_res_free(dev, fh, res);
return 0;
}
static long video_ioctl_upstream10(struct file *file, unsigned int cmd,
unsigned long arg)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_dev *dev = fh->dev;
int command = 0;
struct upstream_user_struct *data_from_user;
data_from_user = (struct upstream_user_struct *)arg;
if (!data_from_user) {
printk
("cx25821 in %s(): Upstream data is INVALID. Returning.\n",
__func__);
return 0;
}
command = data_from_user->command;
if (command != UPSTREAM_START_VIDEO && command != UPSTREAM_STOP_VIDEO) {
return 0;
}
dev->input_filename_ch2 = data_from_user->input_filename;
dev->input_audiofilename = data_from_user->input_filename;
dev->vid_stdname_ch2 = data_from_user->vid_stdname;
dev->pixel_format_ch2 = data_from_user->pixel_format;
dev->channel_select_ch2 = data_from_user->channel_select;
dev->command_ch2 = data_from_user->command;
switch (command) {
case UPSTREAM_START_VIDEO:
cx25821_start_upstream_video_ch2(dev, data_from_user);
break;
case UPSTREAM_STOP_VIDEO:
cx25821_stop_upstream_video_ch2(dev);
break;
}
return 0;
}
static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
dprintk(2, "%s()\n", __func__);
err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
if (0 != err)
return err;
fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
fh->width = f->fmt.pix.width;
fh->height = f->fmt.pix.height;
fh->vidq.field = f->fmt.pix.field;
dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width,
fh->height, fh->vidq.field);
cx25821_call_all(dev, video, s_fmt, f);
return 0;
}
static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
{
struct cx25821_fh *fh = priv;
return videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
}
static int vidioc_log_status(struct file *file, void *priv)
{
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
char name[32 + 2];
snprintf(name, sizeof(name), "%s/2", dev->name);
printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n",
dev->name);
cx25821_call_all(dev, core, log_status);
printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n",
dev->name);
return 0;
}
static int vidioc_s_ctrl(struct file *file, void *priv,
struct v4l2_control *ctl)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
return 0;
}
//exported stuff
static const struct v4l2_file_operations video_fops = {
.owner = THIS_MODULE,
.open = video_open,
.release = video_release,
.read = video_read,
.poll = video_poll,
.mmap = cx25821_video_mmap,
.ioctl = video_ioctl_upstream10,
};
static const struct v4l2_ioctl_ops video_ioctl_ops = {
.vidioc_querycap = cx25821_vidioc_querycap,
.vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap,
.vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap,
.vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
.vidioc_reqbufs = cx25821_vidioc_reqbufs,
.vidioc_querybuf = cx25821_vidioc_querybuf,
.vidioc_qbuf = cx25821_vidioc_qbuf,
.vidioc_dqbuf = vidioc_dqbuf,
#ifdef TUNER_FLAG
.vidioc_s_std = cx25821_vidioc_s_std,
.vidioc_querystd = cx25821_vidioc_querystd,
#endif
.vidioc_cropcap = cx25821_vidioc_cropcap,
.vidioc_s_crop = cx25821_vidioc_s_crop,
.vidioc_g_crop = cx25821_vidioc_g_crop,
.vidioc_enum_input = cx25821_vidioc_enum_input,
.vidioc_g_input = cx25821_vidioc_g_input,
.vidioc_s_input = cx25821_vidioc_s_input,
.vidioc_g_ctrl = cx25821_vidioc_g_ctrl,
.vidioc_s_ctrl = vidioc_s_ctrl,
.vidioc_queryctrl = cx25821_vidioc_queryctrl,
.vidioc_streamon = vidioc_streamon,
.vidioc_streamoff = vidioc_streamoff,
.vidioc_log_status = vidioc_log_status,
.vidioc_g_priority = cx25821_vidioc_g_priority,
.vidioc_s_priority = cx25821_vidioc_s_priority,
#ifdef CONFIG_VIDEO_V4L1_COMPAT
.vidiocgmbuf = cx25821_vidiocgmbuf,
#endif
#ifdef TUNER_FLAG
.vidioc_g_tuner = cx25821_vidioc_g_tuner,
.vidioc_s_tuner = cx25821_vidioc_s_tuner,
.vidioc_g_frequency = cx25821_vidioc_g_frequency,
.vidioc_s_frequency = cx25821_vidioc_s_frequency,
#endif
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_register = cx25821_vidioc_g_register,
.vidioc_s_register = cx25821_vidioc_s_register,
#endif
};
struct video_device cx25821_video_template10 = {
.name = "cx25821-upstream10",
.fops = &video_fops,
.ioctl_ops = &video_ioctl_ops,
.tvnorms = CX25821_NORMS,
.current_norm = V4L2_STD_NTSC_M,
};
drivers/staging/cx25821/cx25821-vidups9.c deleted 100644 → 0
View file @ fab81259
/*
* Driver for the Conexant CX25821 PCIe bridge
*
* Copyright (C) 2009 Conexant Systems Inc.
* Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
* Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
*
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "cx25821-video.h"
static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
{
struct cx25821_buffer *buf =
container_of(vb, struct cx25821_buffer, vb);
struct cx25821_buffer *prev;
struct cx25821_fh *fh = vq->priv_data;
struct cx25821_dev *dev = fh->dev;
struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH09];
/* add jump to stopper */
buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
if (!list_empty(&q->queued)) {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf,
buf->vb.i);
} else if (list_empty(&q->active)) {
list_add_tail(&buf->vb.queue, &q->active);
cx25821_start_video_dma(dev, q, buf,
&dev->sram_channels[SRAM_CH09]);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
dprintk(2,
"[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
buf, buf->vb.i, buf->count, q->count);
} else {
prev =
list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
if (prev->vb.width == buf->vb.width
&& prev->vb.height == buf->vb.height
&& prev->fmt == buf->fmt) {
list_add_tail(&buf->vb.queue, &q->active);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
/* 64 bit bits 63-32 */
prev->risc.jmp[2] = cpu_to_le32(0);
dprintk(2,
"[%p/%d] buffer_queue - append to active, buf->count=%d\n",
buf, buf->vb.i, buf->count);
} else {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf,
buf->vb.i);
}
}
if (list_empty(&q->active)) {
dprintk(2, "active queue empty!\n");
}
}
static struct videobuf_queue_ops cx25821_video_qops = {
.buf_setup = cx25821_buffer_setup,
.buf_prepare = cx25821_buffer_prepare,
.buf_queue = buffer_queue,
.buf_release = cx25821_buffer_release,
};
static int video_open(struct file *file)
{
struct video_device *vdev = video_devdata(file);
struct cx25821_dev *dev = video_drvdata(file);
struct cx25821_fh *fh;
enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
printk("open dev=%s type=%s\n", video_device_node_name(vdev),
v4l2_type_names[type]);
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
if (NULL == fh)
return -ENOMEM;
lock_kernel();
file->private_data = fh;
fh->dev = dev;
fh->type = type;
fh->width = 720;
if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
fh->height = 576;
else
fh->height = 480;
dev->channel_opened = 8;
fh->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV);
v4l2_prio_open(&dev->prio, &fh->prio);
videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
&dev->pci->dev, &dev->slock,
V4L2_BUF_TYPE_VIDEO_CAPTURE,
V4L2_FIELD_INTERLACED,
sizeof(struct cx25821_buffer), fh);
dprintk(1, "post videobuf_queue_init()\n");
unlock_kernel();
return 0;
}
static ssize_t video_read(struct file *file, char __user * data, size_t count,
loff_t * ppos)
{
struct cx25821_fh *fh = file->private_data;
switch (fh->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
if (cx25821_res_locked(fh->dev, RESOURCE_VIDEO9))
return -EBUSY;
return videobuf_read_one(&fh->vidq, data, count, ppos,
file->f_flags & O_NONBLOCK);
default:
BUG();
return 0;
}
}
static unsigned int video_poll(struct file *file,
struct poll_table_struct *wait)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_buffer *buf;
if (cx25821_res_check(fh, RESOURCE_VIDEO9)) {
/* streaming capture */
if (list_empty(&fh->vidq.stream))
return POLLERR;
buf = list_entry(fh->vidq.stream.next,
struct cx25821_buffer, vb.stream);
} else {
/* read() capture */
buf = (struct cx25821_buffer *)fh->vidq.read_buf;
if (NULL == buf)
return POLLERR;
}
poll_wait(file, &buf->vb.done, wait);
if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR)
return POLLIN | POLLRDNORM;
return 0;
}
static int video_release(struct file *file)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_dev *dev = fh->dev;
//stop the risc engine and fifo
//cx_write(channel9->dma_ctl, 0);
/* stop video capture */
if (cx25821_res_check(fh, RESOURCE_VIDEO9)) {
videobuf_queue_cancel(&fh->vidq);
cx25821_res_free(dev, fh, RESOURCE_VIDEO9);
}
if (fh->vidq.read_buf) {
cx25821_buffer_release(&fh->vidq, fh->vidq.read_buf);
kfree(fh->vidq.read_buf);
}
videobuf_mmap_free(&fh->vidq);
v4l2_prio_close(&dev->prio, fh->prio);
file->private_data = NULL;
kfree(fh);
return 0;
}
static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) {
return -EINVAL;
}
if (unlikely(i != fh->type)) {
return -EINVAL;
}
if (unlikely(!cx25821_res_get(dev, fh, cx25821_get_resource(fh, RESOURCE_VIDEO9)))) {
return -EBUSY;
}
return videobuf_streamon(get_queue(fh));
}
static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
int err, res;
if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
if (i != fh->type)
return -EINVAL;
res = cx25821_get_resource(fh, RESOURCE_VIDEO9);
err = videobuf_streamoff(get_queue(fh));
if (err < 0)
return err;
cx25821_res_free(dev, fh, res);
return 0;
}
static long video_ioctl_upstream9(struct file *file, unsigned int cmd,
unsigned long arg)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_dev *dev = fh->dev;
int command = 0;
struct upstream_user_struct *data_from_user;
data_from_user = (struct upstream_user_struct *)arg;
if (!data_from_user) {
printk
("cx25821 in %s(): Upstream data is INVALID. Returning.\n",
__func__);
return 0;
}
command = data_from_user->command;
if (command != UPSTREAM_START_VIDEO && command != UPSTREAM_STOP_VIDEO) {
return 0;
}
dev->input_filename = data_from_user->input_filename;
dev->input_audiofilename = data_from_user->input_filename;
dev->vid_stdname = data_from_user->vid_stdname;
dev->pixel_format = data_from_user->pixel_format;
dev->channel_select = data_from_user->channel_select;
dev->command = data_from_user->command;
switch (command) {
case UPSTREAM_START_VIDEO:
cx25821_start_upstream_video_ch1(dev, data_from_user);
break;
case UPSTREAM_STOP_VIDEO:
cx25821_stop_upstream_video_ch1(dev);
break;
}
return 0;
}
static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
dprintk(2, "%s()\n", __func__);
err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
if (0 != err)
return err;
fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
fh->width = f->fmt.pix.width;
fh->height = f->fmt.pix.height;
fh->vidq.field = f->fmt.pix.field;
dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width,
fh->height, fh->vidq.field);
cx25821_call_all(dev, video, s_fmt, f);
return 0;
}
static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
{
struct cx25821_fh *fh = priv;
return videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
}
static int vidioc_log_status(struct file *file, void *priv)
{
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
char name[32 + 2];
snprintf(name, sizeof(name), "%s/2", dev->name);
printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n",
dev->name);
cx25821_call_all(dev, core, log_status);
printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n",
dev->name);
return 0;
}
static int vidioc_s_ctrl(struct file *file, void *priv,
struct v4l2_control *ctl)
{
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
struct cx25821_fh *fh = priv;
int err;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
return 0;
}
// exported stuff
static const struct v4l2_file_operations video_fops = {
.owner = THIS_MODULE,
.open = video_open,
.release = video_release,
.read = video_read,
.poll = video_poll,
.mmap = cx25821_video_mmap,
.ioctl = video_ioctl_upstream9,
};
static const struct v4l2_ioctl_ops video_ioctl_ops = {
.vidioc_querycap = cx25821_vidioc_querycap,
.vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap,
.vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap,
.vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
.vidioc_reqbufs = cx25821_vidioc_reqbufs,
.vidioc_querybuf = cx25821_vidioc_querybuf,
.vidioc_qbuf = cx25821_vidioc_qbuf,
.vidioc_dqbuf = vidioc_dqbuf,
#ifdef TUNER_FLAG
.vidioc_s_std = cx25821_vidioc_s_std,
.vidioc_querystd = cx25821_vidioc_querystd,
#endif
.vidioc_cropcap = cx25821_vidioc_cropcap,
.vidioc_s_crop = cx25821_vidioc_s_crop,
.vidioc_g_crop = cx25821_vidioc_g_crop,
.vidioc_enum_input = cx25821_vidioc_enum_input,
.vidioc_g_input = cx25821_vidioc_g_input,
.vidioc_s_input = cx25821_vidioc_s_input,
.vidioc_g_ctrl = cx25821_vidioc_g_ctrl,
.vidioc_s_ctrl = vidioc_s_ctrl,
.vidioc_queryctrl = cx25821_vidioc_queryctrl,
.vidioc_streamon = vidioc_streamon,
.vidioc_streamoff = vidioc_streamoff,
.vidioc_log_status = vidioc_log_status,
.vidioc_g_priority = cx25821_vidioc_g_priority,
.vidioc_s_priority = cx25821_vidioc_s_priority,
#ifdef CONFIG_VIDEO_V4L1_COMPAT
.vidiocgmbuf = cx25821_vidiocgmbuf,
#endif
#ifdef TUNER_FLAG
.vidioc_g_tuner = cx25821_vidioc_g_tuner,
.vidioc_s_tuner = cx25821_vidioc_s_tuner,
.vidioc_g_frequency = cx25821_vidioc_g_frequency,
.vidioc_s_frequency = cx25821_vidioc_s_frequency,
#endif
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_register = cx25821_vidioc_g_register,
.vidioc_s_register = cx25821_vidioc_s_register,
#endif
};
struct video_device cx25821_video_template9 = {
.name = "cx25821-upstream9",
.fops = &video_fops,
.ioctl_ops = &video_ioctl_ops,
.tvnorms = CX25821_NORMS,
.current_norm = V4L2_STD_NTSC_M,
};
drivers/staging/cx25821/cx25821.h
View file @ 6d8c2ba1
...@@ -61,7 +61,7 @@ ...@@ -61,7 +61,7 @@
#define FALSE 0 #define FALSE 0
#define LINE_SIZE_D1 1440 #define LINE_SIZE_D1 1440
// Number of decoders and encoders /* Number of decoders and encoders */
#define MAX_DECODERS 8 #define MAX_DECODERS 8
#define MAX_ENCODERS 2 #define MAX_ENCODERS 2
#define QUAD_DECODERS 4 #define QUAD_DECODERS 4
...@@ -139,6 +139,7 @@ struct cx25821_fh { ...@@ -139,6 +139,7 @@ struct cx25821_fh {
/* video capture */ /* video capture */
struct cx25821_fmt *fmt; struct cx25821_fmt *fmt;
unsigned int width, height; unsigned int width, height;
int channel_id;
/* vbi capture */ /* vbi capture */
struct videobuf_queue vidq; struct videobuf_queue vidq;
...@@ -236,13 +237,34 @@ struct cx25821_data { ...@@ -236,13 +237,34 @@ struct cx25821_data {
struct sram_channel *channel; struct sram_channel *channel;
}; };
struct cx25821_channel {
struct v4l2_prio_state prio;
int ctl_bright;
int ctl_contrast;
int ctl_hue;
int ctl_saturation;
struct cx25821_data timeout_data;
struct video_device *video_dev;
struct cx25821_dmaqueue vidq;
struct sram_channel *sram_channels;
struct mutex lock;
int resources;
int pixel_formats;
int use_cif_resolution;
int cif_width;
};
struct cx25821_dev { struct cx25821_dev {
struct list_head devlist; struct list_head devlist;
atomic_t refcount; atomic_t refcount;
struct v4l2_device v4l2_dev; struct v4l2_device v4l2_dev;
struct v4l2_prio_state prio;
/* pci stuff */ /* pci stuff */
struct pci_dev *pci; struct pci_dev *pci;
unsigned char pci_rev, pci_lat; unsigned char pci_rev, pci_lat;
...@@ -261,13 +283,12 @@ struct cx25821_dev { ...@@ -261,13 +283,12 @@ struct cx25821_dev {
int nr; int nr;
struct mutex lock; struct mutex lock;
struct cx25821_channel channels[MAX_VID_CHANNEL_NUM];
/* board details */ /* board details */
unsigned int board; unsigned int board;
char name[32]; char name[32];
/* sram configuration */
struct sram_channel *sram_channels;
/* Analog video */ /* Analog video */
u32 resources; u32 resources;
unsigned int input; unsigned int input;
...@@ -282,13 +303,6 @@ struct cx25821_dev { ...@@ -282,13 +303,6 @@ struct cx25821_dev {
unsigned char videc_addr; unsigned char videc_addr;
unsigned short _max_num_decoders; unsigned short _max_num_decoders;
int ctl_bright;
int ctl_contrast;
int ctl_hue;
int ctl_saturation;
struct cx25821_data timeout_data[MAX_VID_CHANNEL_NUM];
/* Analog Audio Upstream */ /* Analog Audio Upstream */
int _audio_is_running; int _audio_is_running;
int _audiopixel_format; int _audiopixel_format;
...@@ -297,7 +311,7 @@ struct cx25821_dev { ...@@ -297,7 +311,7 @@ struct cx25821_dev {
int _audio_lines_count; int _audio_lines_count;
int _audioframe_count; int _audioframe_count;
int _audio_upstream_channel_select; int _audio_upstream_channel_select;
int _last_index_irq; //The last interrupt index processed. int _last_index_irq; /* The last interrupt index processed. */
__le32 *_risc_audio_jmp_addr; __le32 *_risc_audio_jmp_addr;
__le32 *_risc_virt_start_addr; __le32 *_risc_virt_start_addr;
...@@ -313,12 +327,10 @@ struct cx25821_dev { ...@@ -313,12 +327,10 @@ struct cx25821_dev {
/* V4l */ /* V4l */
u32 freq; u32 freq;
struct video_device *video_dev[MAX_VID_CHANNEL_NUM];
struct video_device *vbi_dev; struct video_device *vbi_dev;
struct video_device *radio_dev; struct video_device *radio_dev;
struct video_device *ioctl_dev; struct video_device *ioctl_dev;
struct cx25821_dmaqueue vidq[MAX_VID_CHANNEL_NUM];
spinlock_t slock; spinlock_t slock;
/* Video Upstream */ /* Video Upstream */
...@@ -401,9 +413,6 @@ struct cx25821_dev { ...@@ -401,9 +413,6 @@ struct cx25821_dev {
int pixel_format; int pixel_format;
int channel_select; int channel_select;
int command; int command;
int pixel_formats[VID_CHANNEL_NUM];
int use_cif_resolution[VID_CHANNEL_NUM];
int cif_width[VID_CHANNEL_NUM];
int channel_opened; int channel_opened;
}; };
...@@ -482,7 +491,7 @@ struct sram_channel { ...@@ -482,7 +491,7 @@ struct sram_channel {
u32 fld_aud_fifo_en; u32 fld_aud_fifo_en;
u32 fld_aud_risc_en; u32 fld_aud_risc_en;
//For Upstream Video /* For Upstream Video */
u32 vid_fmt_ctl; u32 vid_fmt_ctl;
u32 vid_active_ctl1; u32 vid_active_ctl1;
u32 vid_active_ctl2; u32 vid_active_ctl2;
......
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