Skip to content

L
linux
Commit 12f91a3f authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
Browse files
Options

V4L/DVB (9966): tda9875: convert to v4l2_subdev. 

Signed-off-by: default avatarHans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 973909e8
Show whitespace changes
Inline Side-by-side
Showing with 151 additions and 197 deletions
drivers/media/video/tda9875.c
View file @ 12f91a3f
......@@ -25,11 +25,10 @@
#include <linux/delay.h>
#include <linux/errno.h>
#include <linux/slab.h>
#include <linux/videodev2.h>
#include <media/v4l2-common.h>
#include <linux/i2c.h>
#include <linux/init.h>
#include <linux/videodev2.h>
#include <media/v4l2-device.h>
#include <media/v4l2-i2c-drv-legacy.h>
#include <media/i2c-addr.h>
static int debug; /* insmod parameter */
......@@ -46,13 +45,15 @@ I2C_CLIENT_INSMOD;
/* This is a superset of the TDA9875 */
struct tda9875 {
struct v4l2_subdev sd;
int rvol, lvol;
int bass, treble;
struct i2c_client c;
};
static struct i2c_driver driver;
static struct i2c_client client_template;
static inline struct tda9875 *to_state(struct v4l2_subdev *sd)
{
return container_of(sd, struct tda9875, sd);
}
#define dprintk if (debug) printk
......@@ -105,15 +106,16 @@ static struct i2c_client client_template;
/* Begin code */
static int tda9875_write(struct i2c_client *client, int subaddr, unsigned char val)
static int tda9875_write(struct v4l2_subdev *sd, int subaddr, unsigned char val)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
unsigned char buffer[2];
dprintk("In tda9875_write\n");
dprintk("Writing %d 0x%x\n", subaddr, val);
v4l2_dbg(1, debug, sd, "Writing %d 0x%x\n", subaddr, val);
buffer[0] = subaddr;
buffer[1] = val;
if (2 != i2c_master_send(client,buffer,2)) {
printk(KERN_WARNING "tda9875: I/O error, trying (write %d 0x%x)\n",
if (2 != i2c_master_send(client, buffer, 2)) {
v4l2_warn(sd, "I/O error, trying (write %d 0x%x)\n",
subaddr, val);
return -1;
}
......@@ -121,7 +123,7 @@ static int tda9875_write(struct i2c_client *client, int subaddr, unsigned char v
}
static int i2c_read_register(struct i2c_adapter *adap, int addr, int reg)
static int i2c_read_register(struct i2c_client *client, int addr, int reg)
{
unsigned char write[1];
unsigned char read[1];
......@@ -129,150 +131,83 @@ static int i2c_read_register(struct i2c_adapter *adap, int addr, int reg)
{ addr, 0, 1, write },
{ addr, I2C_M_RD, 1, read }
};
write[0] = reg;
if (2 != i2c_transfer(adap,msgs,2)) {
printk(KERN_WARNING "tda9875: I/O error (read2)\n");
if (2 != i2c_transfer(client->adapter, msgs, 2)) {
v4l_warn(client, "I/O error (read2)\n");
return -1;
}
dprintk("tda9875: chip_read2: reg%d=0x%x\n",reg,read[0]);
v4l_dbg(1, debug, client, "chip_read2: reg%d=0x%x\n", reg, read[0]);
return read[0];
}
static void tda9875_set(struct i2c_client *client)
static void tda9875_set(struct v4l2_subdev *sd)
{
struct tda9875 *tda = i2c_get_clientdata(client);
struct tda9875 *tda = to_state(sd);
unsigned char a;
dprintk(KERN_DEBUG "tda9875_set(%04x,%04x,%04x,%04x)\n",
tda->lvol,tda->rvol,tda->bass,tda->treble);
v4l2_dbg(1, debug, sd, "tda9875_set(%04x,%04x,%04x,%04x)\n",
tda->lvol, tda->rvol, tda->bass, tda->treble);
a = tda->lvol & 0xff;
tda9875_write(client, TDA9875_MVL, a);
tda9875_write(sd, TDA9875_MVL, a);
a =tda->rvol & 0xff;
tda9875_write(client, TDA9875_MVR, a);
tda9875_write(sd, TDA9875_MVR, a);
a =tda->bass & 0xff;
tda9875_write(client, TDA9875_MBA, a);
tda9875_write(sd, TDA9875_MBA, a);
a =tda->treble & 0xff;
tda9875_write(client, TDA9875_MTR, a);
}
static void do_tda9875_init(struct i2c_client *client)
{
struct tda9875 *t = i2c_get_clientdata(client);
dprintk("In tda9875_init\n");
tda9875_write(client, TDA9875_CFG, 0xd0 ); /*reg de config 0 (reset)*/
tda9875_write(client, TDA9875_MSR, 0x03 ); /* Monitor 0b00000XXX*/
tda9875_write(client, TDA9875_C1MSB, 0x00 ); /*Car1(FM) MSB XMHz*/
tda9875_write(client, TDA9875_C1MIB, 0x00 ); /*Car1(FM) MIB XMHz*/
tda9875_write(client, TDA9875_C1LSB, 0x00 ); /*Car1(FM) LSB XMHz*/
tda9875_write(client, TDA9875_C2MSB, 0x00 ); /*Car2(NICAM) MSB XMHz*/
tda9875_write(client, TDA9875_C2MIB, 0x00 ); /*Car2(NICAM) MIB XMHz*/
tda9875_write(client, TDA9875_C2LSB, 0x00 ); /*Car2(NICAM) LSB XMHz*/
tda9875_write(client, TDA9875_DCR, 0x00 ); /*Demod config 0x00*/
tda9875_write(client, TDA9875_DEEM, 0x44 ); /*DE-Emph 0b0100 0100*/
tda9875_write(client, TDA9875_FMAT, 0x00 ); /*FM Matrix reg 0x00*/
tda9875_write(client, TDA9875_SC1, 0x00 ); /* SCART 1 (SC1)*/
tda9875_write(client, TDA9875_SC2, 0x01 ); /* SCART 2 (sc2)*/
tda9875_write(client, TDA9875_CH1V, 0x10 ); /* Channel volume 1 mute*/
tda9875_write(client, TDA9875_CH2V, 0x10 ); /* Channel volume 2 mute */
tda9875_write(client, TDA9875_DACOS, 0x02 ); /* sig DAC i/o(in:nicam)*/
tda9875_write(client, TDA9875_ADCIS, 0x6f ); /* sig ADC input(in:mono)*/
tda9875_write(client, TDA9875_LOSR, 0x00 ); /* line out (in:mono)*/
tda9875_write(client, TDA9875_AER, 0x00 ); /*06 Effect (AVL+PSEUDO) */
tda9875_write(client, TDA9875_MCS, 0x44 ); /* Main ch select (DAC) */
tda9875_write(client, TDA9875_MVL, 0x03 ); /* Vol Main left 10dB */
tda9875_write(client, TDA9875_MVR, 0x03 ); /* Vol Main right 10dB*/
tda9875_write(client, TDA9875_MBA, 0x00 ); /* Main Bass Main 0dB*/
tda9875_write(client, TDA9875_MTR, 0x00 ); /* Main Treble Main 0dB*/
tda9875_write(client, TDA9875_ACS, 0x44 ); /* Aux chan select (dac)*/
tda9875_write(client, TDA9875_AVL, 0x00 ); /* Vol Aux left 0dB*/
tda9875_write(client, TDA9875_AVR, 0x00 ); /* Vol Aux right 0dB*/
tda9875_write(client, TDA9875_ABA, 0x00 ); /* Aux Bass Main 0dB*/
tda9875_write(client, TDA9875_ATR, 0x00 ); /* Aux Aigus Main 0dB*/
tda9875_write(client, TDA9875_MUT, 0xcc ); /* General mute */
t->lvol=t->rvol =0; /* 0dB */
t->bass=0; /* 0dB */
t->treble=0; /* 0dB */
tda9875_set(client);
}
/* *********************** *
* i2c interface functions *
* *********************** */
static int tda9875_checkit(struct i2c_adapter *adap, int addr)
{
int dic,rev;
dic=i2c_read_register(adap,addr,254);
rev=i2c_read_register(adap,addr,255);
if(dic==0 || dic==2) { // tda9875 and tda9875A
printk("tda9875: TDA9875%s Rev.%d detected at 0x%x\n",
dic==0?"":"A", rev,addr<<1);
return 1;
}
printk("tda9875: no such chip at 0x%x (dic=0x%x rev=0x%x)\n",addr<<1,dic,rev);
return(0);
tda9875_write(sd, TDA9875_MTR, a);
}
static int tda9875_attach(struct i2c_adapter *adap, int addr, int kind)
static void do_tda9875_init(struct v4l2_subdev *sd)
{
struct tda9875 *t;
struct i2c_client *client;
dprintk("In tda9875_attach\n");
t = kzalloc(sizeof *t,GFP_KERNEL);
if (!t)
return -ENOMEM;
client = &t->c;
memcpy(client,&client_template,sizeof(struct i2c_client));
client->adapter = adap;
client->addr = addr;
i2c_set_clientdata(client, t);
if(!tda9875_checkit(adap,addr)) {
kfree(t);
return 1;
}
do_tda9875_init(client);
printk(KERN_INFO "tda9875: init\n");
i2c_attach_client(client);
return 0;
struct tda9875 *t = to_state(sd);
v4l2_dbg(1, debug, sd, "In tda9875_init\n");
tda9875_write(sd, TDA9875_CFG, 0xd0); /*reg de config 0 (reset)*/
tda9875_write(sd, TDA9875_MSR, 0x03); /* Monitor 0b00000XXX*/
tda9875_write(sd, TDA9875_C1MSB, 0x00); /*Car1(FM) MSB XMHz*/
tda9875_write(sd, TDA9875_C1MIB, 0x00); /*Car1(FM) MIB XMHz*/
tda9875_write(sd, TDA9875_C1LSB, 0x00); /*Car1(FM) LSB XMHz*/
tda9875_write(sd, TDA9875_C2MSB, 0x00); /*Car2(NICAM) MSB XMHz*/
tda9875_write(sd, TDA9875_C2MIB, 0x00); /*Car2(NICAM) MIB XMHz*/
tda9875_write(sd, TDA9875_C2LSB, 0x00); /*Car2(NICAM) LSB XMHz*/
tda9875_write(sd, TDA9875_DCR, 0x00); /*Demod config 0x00*/
tda9875_write(sd, TDA9875_DEEM, 0x44); /*DE-Emph 0b0100 0100*/
tda9875_write(sd, TDA9875_FMAT, 0x00); /*FM Matrix reg 0x00*/
tda9875_write(sd, TDA9875_SC1, 0x00); /* SCART 1 (SC1)*/
tda9875_write(sd, TDA9875_SC2, 0x01); /* SCART 2 (sc2)*/
tda9875_write(sd, TDA9875_CH1V, 0x10); /* Channel volume 1 mute*/
tda9875_write(sd, TDA9875_CH2V, 0x10); /* Channel volume 2 mute */
tda9875_write(sd, TDA9875_DACOS, 0x02); /* sig DAC i/o(in:nicam)*/
tda9875_write(sd, TDA9875_ADCIS, 0x6f); /* sig ADC input(in:mono)*/
tda9875_write(sd, TDA9875_LOSR, 0x00); /* line out (in:mono)*/
tda9875_write(sd, TDA9875_AER, 0x00); /*06 Effect (AVL+PSEUDO) */
tda9875_write(sd, TDA9875_MCS, 0x44); /* Main ch select (DAC) */
tda9875_write(sd, TDA9875_MVL, 0x03); /* Vol Main left 10dB */
tda9875_write(sd, TDA9875_MVR, 0x03); /* Vol Main right 10dB*/
tda9875_write(sd, TDA9875_MBA, 0x00); /* Main Bass Main 0dB*/
tda9875_write(sd, TDA9875_MTR, 0x00); /* Main Treble Main 0dB*/
tda9875_write(sd, TDA9875_ACS, 0x44); /* Aux chan select (dac)*/
tda9875_write(sd, TDA9875_AVL, 0x00); /* Vol Aux left 0dB*/
tda9875_write(sd, TDA9875_AVR, 0x00); /* Vol Aux right 0dB*/
tda9875_write(sd, TDA9875_ABA, 0x00); /* Aux Bass Main 0dB*/
tda9875_write(sd, TDA9875_ATR, 0x00); /* Aux Aigus Main 0dB*/
tda9875_write(sd, TDA9875_MUT, 0xcc); /* General mute */
t->lvol = t->rvol = 0; /* 0dB */
t->bass = 0; /* 0dB */
t->treble = 0; /* 0dB */
tda9875_set(sd);
}
static int tda9875_probe(struct i2c_adapter *adap)
{
if (adap->class & I2C_CLASS_TV_ANALOG)
return i2c_probe(adap, &addr_data, tda9875_attach);
return 0;
}
static int tda9875_detach(struct i2c_client *client)
static int tda9875_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
{
struct tda9875 *t = i2c_get_clientdata(client);
do_tda9875_init(client);
i2c_detach_client(client);
kfree(t);
return 0;
}
static int tda9875_get_ctrl(struct i2c_client *client,
struct v4l2_control *ctrl)
{
struct tda9875 *t = i2c_get_clientdata(client);
struct tda9875 *t = to_state(sd);
switch (ctrl->id) {
case V4L2_CID_AUDIO_VOLUME:
......@@ -304,10 +239,9 @@ static int tda9875_get_ctrl(struct i2c_client *client,
return -EINVAL;
}
static int tda9875_set_ctrl(struct i2c_client *client,
struct v4l2_control *ctrl)
static int tda9875_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
{
struct tda9875 *t = i2c_get_clientdata(client);
struct tda9875 *t = to_state(sd);
int chvol=0, volume, balance, left, right;
switch (ctrl->id) {
......@@ -371,85 +305,105 @@ static int tda9875_set_ctrl(struct i2c_client *client,
t->rvol = -84 & 0xff;
}
//printk("tda9875 bal:%04x vol:%04x bass:%04x treble:%04x\n",va->balance,va->volume,va->bass,va->treble);
tda9875_set(client);
tda9875_set(sd);
return 0;
}
static int tda9875_command(struct i2c_client *client,
unsigned int cmd, void *arg)
static int tda9875_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc)
{
dprintk("In tda9875_command...\n");
switch (cmd) {
/* --- v4l ioctls --- */
/* take care: bttv does userspace copying, we'll get a
kernel pointer here... */
case VIDIOC_QUERYCTRL:
{
struct v4l2_queryctrl *qc = arg;
switch (qc->id) {
case V4L2_CID_AUDIO_VOLUME:
case V4L2_CID_AUDIO_BASS:
case V4L2_CID_AUDIO_TREBLE:
default:
return -EINVAL;
}
return v4l2_ctrl_query_fill_std(qc);
}
case VIDIOC_S_CTRL:
return tda9875_set_ctrl(client, arg);
return -EINVAL;
}
case VIDIOC_G_CTRL:
return tda9875_get_ctrl(client, arg);
static int tda9875_command(struct i2c_client *client, unsigned cmd, void *arg)
{
return v4l2_subdev_command(i2c_get_clientdata(client), cmd, arg);
}
default: /* Not VIDEOCGAUDIO or VIDEOCSAUDIO */
/* ----------------------------------------------------------------------- */
/* nothing */
dprintk("Default\n");
static const struct v4l2_subdev_core_ops tda9875_core_ops = {
.queryctrl = tda9875_queryctrl,
.g_ctrl = tda9875_g_ctrl,
.s_ctrl = tda9875_s_ctrl,
};
} /* end of (cmd) switch */
static const struct v4l2_subdev_ops tda9875_ops = {
.core = &tda9875_core_ops,
};
return 0;
}
/* ----------------------------------------------------------------------- */
static struct i2c_driver driver = {
.driver = {
.name = "tda9875",
},
.id = I2C_DRIVERID_TDA9875,
.attach_adapter = tda9875_probe,
.detach_client = tda9875_detach,
.command = tda9875_command,
};
/* *********************** *
* i2c interface functions *
* *********************** */
static struct i2c_client client_template =
static int tda9875_checkit(struct i2c_client *client, int addr)
{
.name = "tda9875",
.driver = &driver,
};
int dic, rev;
static int __init tda9875_init(void)
{
return i2c_add_driver(&driver);
dic = i2c_read_register(client, addr, 254);
rev = i2c_read_register(client, addr, 255);
if (dic == 0 || dic == 2) { /* tda9875 and tda9875A */
v4l_info(client, "tda9875%s rev. %d detected at 0x%02x\n",
dic == 0 ? "" : "A", rev, addr << 1);
return 1;
}
v4l_info(client, "no such chip at 0x%02x (dic=0x%x rev=0x%x)\n",
addr << 1, dic, rev);
return 0;
}
static void __exit tda9875_fini(void)
static int tda9875_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
i2c_del_driver(&driver);
struct tda9875 *t;
struct v4l2_subdev *sd;
v4l_info(client, "chip found @ 0x%02x (%s)\n",
client->addr << 1, client->adapter->name);
if (!tda9875_checkit(client, client->addr))
return -ENODEV;
t = kzalloc(sizeof(*t), GFP_KERNEL);
if (!t)
return -ENOMEM;
sd = &t->sd;
v4l2_i2c_subdev_init(sd, client, &tda9875_ops);
do_tda9875_init(sd);
return 0;
}
module_init(tda9875_init);
module_exit(tda9875_fini);
static int tda9875_remove(struct i2c_client *client)
{
struct v4l2_subdev *sd = i2c_get_clientdata(client);
/*
* Local variables:
* c-basic-offset: 8
* End:
*/
do_tda9875_init(sd);
v4l2_device_unregister_subdev(sd);
kfree(to_state(sd));
return 0;
}
static const struct i2c_device_id tda9875_id[] = {
{ "tda9875", 0 },
{ }
};
MODULE_DEVICE_TABLE(i2c, tda9875_id);
static struct v4l2_i2c_driver_data v4l2_i2c_data = {
.name = "tda9875",
.driverid = I2C_DRIVERID_TDA9875,
.command = tda9875_command,
.probe = tda9875_probe,
.remove = tda9875_remove,
.id_table = tda9875_id,
};
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7