dmasound update from Christoph Hellwig

parent 875aeb35
...@@ -12,9 +12,9 @@ config DMASOUND_ATARI ...@@ -12,9 +12,9 @@ config DMASOUND_ATARI
want). If you want to compile it as a module, say M here and read want). If you want to compile it as a module, say M here and read
<file:Documentation/modules.txt>. <file:Documentation/modules.txt>.
config DMASOUND_AWACS config DMASOUND_PMAC
tristate "PowerMac DMA sound support" tristate "PowerMac DMA sound support"
depends on PPC_PMAC && SOUND depends on PPC_PMAC && SOUND && I2C
help help
If you want to use the internal audio of your PowerMac in Linux, If you want to use the internal audio of your PowerMac in Linux,
answer Y to this question. This will provide a Sun-like /dev/audio, answer Y to this question. This will provide a Sun-like /dev/audio,
......
...@@ -2,7 +2,12 @@ ...@@ -2,7 +2,12 @@
# Makefile for the DMA sound driver # Makefile for the DMA sound driver
# #
dmasound_pmac-y += dmasound_awacs.o \
trans_16.o dac3550a.o tas_common.o \
tas3001c.o tas3001c_tables.o \
tas3004.o tas3004_tables.o
obj-$(CONFIG_DMASOUND_ATARI) += dmasound_core.o dmasound_atari.o obj-$(CONFIG_DMASOUND_ATARI) += dmasound_core.o dmasound_atari.o
obj-$(CONFIG_DMASOUND_AWACS) += dmasound_core.o dmasound_awacs.o obj-$(CONFIG_DMASOUND_PMAC) += dmasound_core.o dmasound_pmac.o
obj-$(CONFIG_DMASOUND_PAULA) += dmasound_core.o dmasound_paula.o obj-$(CONFIG_DMASOUND_PAULA) += dmasound_core.o dmasound_paula.o
obj-$(CONFIG_DMASOUND_Q40) += dmasound_core.o dmasound_q40.o obj-$(CONFIG_DMASOUND_Q40) += dmasound_core.o dmasound_q40.o
...@@ -71,17 +71,20 @@ struct awacs_regs { ...@@ -71,17 +71,20 @@ struct awacs_regs {
/* ------- - --- ----- - ------ */ /* ------- - --- ----- - ------ */
#define MASK_GAINRIGHT (0xf) /* Gain Right Mask */ #define MASK_GAINRIGHT (0xf) /* Gain Right Mask */
#define MASK_GAINLEFT (0xf << 4) /* Gain Left Mask */ #define MASK_GAINLEFT (0xf << 4) /* Gain Left Mask */
#define MASK_GAINLINE (0x1 << 8) /* Change Gain for Line??? */ #define MASK_GAINLINE (0x1 << 8) /* Disable Mic preamp */
#define MASK_GAINMIC (0x0 << 8) /* Change Gain for Mic??? */ #define MASK_GAINMIC (0x0 << 8) /* Enable Mic preamp */
#define MASK_MUX_CD (0x1 << 9) /* Select CD in MUX */ #define MASK_MUX_CD (0x1 << 9) /* Select CD in MUX */
#define MASK_MUX_AUDIN (0x1 << 10) /* Select Audio In in MUX */ #define MASK_MUX_MIC (0x1 << 10) /* Select Mic in MUX */
#define MASK_MUX_MIC (0x1 << 11) /* Select Mic in MUX */ #define MASK_MUX_AUDIN (0x1 << 11) /* Select Audio In in MUX */
#define MASK_MUX_LINE MASK_MUX_AUDIN #define MASK_MUX_LINE MASK_MUX_AUDIN
#define GAINRIGHT(x) ((x) & MASK_GAINRIGHT) #define GAINRIGHT(x) ((x) & MASK_GAINRIGHT)
#define GAINLEFT(x) (((x) << 4) & MASK_GAINLEFT) #define GAINLEFT(x) (((x) << 4) & MASK_GAINLEFT)
#define DEF_CD_GAIN 0x00bb
#define DEF_MIC_GAIN 0x00cc
/* Address 1 Bit Masks */ /* Address 1 Bit Masks */
/* ------- - --- ----- */ /* ------- - --- ----- */
#define MASK_ADDR1RES1 (0x3) /* Reserved */ #define MASK_ADDR1RES1 (0x3) /* Reserved */
...@@ -93,7 +96,10 @@ struct awacs_regs { ...@@ -93,7 +96,10 @@ struct awacs_regs {
#define MASK_ADDR1RES2 (0x1 << 8) /* Reserved */ #define MASK_ADDR1RES2 (0x1 << 8) /* Reserved */
#define MASK_AMUTE (0x1 << 9) /* Output A (Headphone) Mute when 1 */ #define MASK_AMUTE (0x1 << 9) /* Output A (Headphone) Mute when 1 */
#define MASK_HDMUTE MASK_AMUTE #define MASK_HDMUTE MASK_AMUTE
#define MASK_PAROUT (0x3 << 10) /* Parallel Out (???) */ #define MASK_PAROUT0 (0x1 << 10) /* Parallel Output 0 */
#define MASK_PAROUT1 (0x2 << 10) /* Parallel Output 1 */
#define MASK_MIC_BOOST (0x4) /* screamer mic boost */
#define SAMPLERATE_48000 (0x0 << 3) /* 48 or 44.1 kHz */ #define SAMPLERATE_48000 (0x0 << 3) /* 48 or 44.1 kHz */
#define SAMPLERATE_32000 (0x1 << 3) /* 32 or 29.4 kHz */ #define SAMPLERATE_32000 (0x1 << 3) /* 32 or 29.4 kHz */
...@@ -162,8 +168,9 @@ struct awacs_regs { ...@@ -162,8 +168,9 @@ struct awacs_regs {
#define RATE_LOW 1 /* HIGH = 48kHz, etc; LOW = 44.1kHz, etc. */ #define RATE_LOW 1 /* HIGH = 48kHz, etc; LOW = 44.1kHz, etc. */
/*******************/
/* Burgundy values */ /* Burgundy values */
/*******************/
#define MASK_ADDR_BURGUNDY_INPSEL21 (0x11 << 12) #define MASK_ADDR_BURGUNDY_INPSEL21 (0x11 << 12)
#define MASK_ADDR_BURGUNDY_INPSEL3 (0x12 << 12) #define MASK_ADDR_BURGUNDY_INPSEL3 (0x12 << 12)
...@@ -226,4 +233,19 @@ struct awacs_regs { ...@@ -226,4 +233,19 @@ struct awacs_regs {
#define DEF_BURGUNDY_ATTENLINEOUT (0xCC) #define DEF_BURGUNDY_ATTENLINEOUT (0xCC)
#define DEF_BURGUNDY_ATTENHP (0xCC) #define DEF_BURGUNDY_ATTENHP (0xCC)
/*********************/
/* i2s layout values */
/*********************/
#define I2S_REG_INT_CTL 0x00
#define I2S_REG_SERIAL_FORMAT 0x10
#define I2S_REG_CODEC_MSG_OUT 0x20
#define I2S_REG_CODEC_MSG_IN 0x30
#define I2S_REG_FRAME_COUNT 0x40
#define I2S_REG_FRAME_MATCH 0x50
#define I2S_REG_DATAWORD_SIZES 0x60
#define I2S_REG_PEAKLEVEL_SEL 0x70
#define I2S_REG_PEAKLEVEL_IN0 0x80
#define I2S_REG_PEAKLEVEL_IN1 0x90
#endif /* _AWACS_DEFS_H_ */ #endif /* _AWACS_DEFS_H_ */
/*
* Driver for the i2c/i2s based DAC3550a sound chip used
* on some Apple iBooks. Also known as "DACA".
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file COPYING in the main directory of this archive
* for more details.
*/
#include <linux/version.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/proc_fs.h>
#include <linux/ioport.h>
#include <linux/sysctl.h>
#include <linux/types.h>
#include <linux/i2c.h>
#include <linux/init.h>
#include <asm/uaccess.h>
#include <asm/errno.h>
#include <asm/io.h>
#include "dmasound.h"
/* FYI: This code was derived from the tas3001c.c Texas/Tumbler mixer
* control code, as well as info derived from the AppleDACAAudio driver
* from Darwin CVS (main thing I derived being register numbers and
* values, as well as when to make the calls). */
#define I2C_DRIVERID_DACA (0xFDCB)
#define DACA_VERSION "0.1"
#define DACA_DATE "20010930"
static int cur_left_vol;
static int cur_right_vol;
static struct i2c_client *daca_client;
static int daca_attach_adapter(struct i2c_adapter *adapter);
static int daca_detect_client(struct i2c_adapter *adapter, int address);
static int daca_detach_client(struct i2c_client *client);
/* Unique ID allocation */
static int daca_id;
struct daca_data
{
int arf; /* place holder for furture use */
};
struct i2c_driver daca_driver = {
.owner = THIS_MODULE,
.name = "DAC3550A driver V " DACA_VERSION,
.id = I2C_DRIVERID_DACA,
.flags = I2C_DF_NOTIFY,
.attach_adapter = daca_attach_adapter,
.detach_client = daca_detach_client,
};
#define VOL_MAX ((1<<20) - 1)
void daca_get_volume(uint * left_vol, uint *right_vol)
{
*left_vol = cur_left_vol >> 5;
*right_vol = cur_right_vol >> 5;
}
int daca_set_volume(uint left_vol, uint right_vol)
{
unsigned short voldata;
if (!daca_client)
return -1;
/* Derived from experience, not from any specific values */
left_vol <<= 5;
right_vol <<= 5;
if (left_vol > VOL_MAX)
left_vol = VOL_MAX;
if (right_vol > VOL_MAX)
right_vol = VOL_MAX;
voldata = ((left_vol >> 14) & 0x3f) << 8;
voldata |= (right_vol >> 14) & 0x3f;
if (i2c_smbus_write_word_data(daca_client, 2, voldata) < 0) {
printk("daca: failed to set volume \n");
return -1;
}
cur_left_vol = left_vol;
cur_right_vol = right_vol;
return 0;
}
int daca_leave_sleep(void)
{
if (!daca_client)
return -1;
/* Do a short sleep, just to make sure I2C bus is awake and paying
* attention to us
*/
wait_ms(20);
/* Write the sample rate reg the value it needs */
i2c_smbus_write_byte_data(daca_client, 1, 8);
daca_set_volume(cur_left_vol >> 5, cur_right_vol >> 5);
/* Another short delay, just to make sure the other I2C bus writes
* have taken...
*/
wait_ms(20);
/* Write the global config reg - invert right power amp,
* DAC on, use 5-volt mode */
i2c_smbus_write_byte_data(daca_client, 3, 0x45);
return 0;
}
int daca_enter_sleep(void)
{
if (!daca_client)
return -1;
i2c_smbus_write_byte_data(daca_client, 1, 8);
daca_set_volume(cur_left_vol >> 5, cur_right_vol >> 5);
/* Write the global config reg - invert right power amp,
* DAC on, enter low-power mode, use 5-volt mode
*/
i2c_smbus_write_byte_data(daca_client, 3, 0x65);
return 0;
}
static int daca_attach_adapter(struct i2c_adapter *adapter)
{
if (!strncmp(adapter->name, "mac-io", 6))
daca_detect_client(adapter, 0x4d);
return 0;
}
static int daca_init_client(struct i2c_client * new_client)
{
/*
* Probe is not working with the current i2c-keywest
* driver. We try to use addr 0x4d on each adapters
* instead, by setting the format register.
*
* FIXME: I'm sure that can be obtained from the
* device-tree. --BenH.
*/
/* Write the global config reg - invert right power amp,
* DAC on, use 5-volt mode
*/
if (i2c_smbus_write_byte_data(new_client, 3, 0x45))
return -1;
i2c_smbus_write_byte_data(new_client, 1, 8);
daca_client = new_client;
daca_set_volume(15000, 15000);
return 0;
}
static int daca_detect_client(struct i2c_adapter *adapter, int address)
{
const char *client_name = "DAC 3550A Digital Equalizer";
struct i2c_client *new_client;
struct daca_data *data;
int rc = -ENODEV;
new_client = kmalloc(sizeof(*new_client) + sizeof(*data), GFP_KERNEL);
if (!new_client)
return -ENOMEM;
new_client->addr = address;
new_client->adapter = adapter;
new_client->driver = &daca_driver;
new_client->flags = 0;
strcpy(new_client->name, client_name);
new_client->id = daca_id++; /* racy... */
data = (struct daca_data *)(new_client+1);
dev_set_drvdata(&new_client->dev, data);
if (daca_init_client(new_client))
goto bail;
/* Tell the i2c layer a new client has arrived */
if (i2c_attach_client(new_client))
goto bail;
return 0;
bail:
kfree(new_client);
return rc;
}
static int daca_detach_client(struct i2c_client *client)
{
if (client == daca_client)
daca_client = NULL;
i2c_detach_client(client);
kfree(client);
return 0;
}
void daca_cleanup(void)
{
i2c_del_driver(&daca_driver);
}
int daca_init(void)
{
printk("dac3550a driver version %s (%s)\n",DACA_VERSION,DACA_DATE);
return i2c_add_driver(&daca_driver);
}
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/*
* Header file for the i2c/i2s based TA3001c sound chip used
* on some Apple hardware. Also known as "tumbler".
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file COPYING in the main directory of this archive
* for more details.
*
* Written by Christopher C. Chimelis <chris@debian.org>
*/
#ifndef _TAS3001C_H_
#define _TAS3001C_H_
#include <linux/types.h>
#include "tas_common.h"
#include "tas_eq_prefs.h"
/*
* Macros that correspond to the registers that we write to
* when setting the various values.
*/
#define TAS3001C_VERSION "0.3"
#define TAS3001C_DATE "20011214"
#define I2C_DRIVERNAME_TAS3001C "TAS3001c driver V " TAS3001C_VERSION
#define I2C_DRIVERID_TAS3001C (I2C_DRIVERID_TAS_BASE+0)
extern struct tas_driver_hooks_t tas3001c_hooks;
extern struct tas_gain_t tas3001c_gain;
extern struct tas_eq_pref_t *tas3001c_eq_prefs[];
enum tas3001c_reg_t {
TAS3001C_REG_MCR = 0x01,
TAS3001C_REG_DRC = 0x02,
TAS3001C_REG_VOLUME = 0x04,
TAS3001C_REG_TREBLE = 0x05,
TAS3001C_REG_BASS = 0x06,
TAS3001C_REG_MIXER1 = 0x07,
TAS3001C_REG_MIXER2 = 0x08,
TAS3001C_REG_LEFT_BIQUAD0 = 0x0a,
TAS3001C_REG_LEFT_BIQUAD1 = 0x0b,
TAS3001C_REG_LEFT_BIQUAD2 = 0x0c,
TAS3001C_REG_LEFT_BIQUAD3 = 0x0d,
TAS3001C_REG_LEFT_BIQUAD4 = 0x0e,
TAS3001C_REG_LEFT_BIQUAD5 = 0x0f,
TAS3001C_REG_LEFT_BIQUAD6 = 0x10,
TAS3001C_REG_RIGHT_BIQUAD0 = 0x13,
TAS3001C_REG_RIGHT_BIQUAD1 = 0x14,
TAS3001C_REG_RIGHT_BIQUAD2 = 0x15,
TAS3001C_REG_RIGHT_BIQUAD3 = 0x16,
TAS3001C_REG_RIGHT_BIQUAD4 = 0x17,
TAS3001C_REG_RIGHT_BIQUAD5 = 0x18,
TAS3001C_REG_RIGHT_BIQUAD6 = 0x19,
TAS3001C_REG_MAX = 0x20
};
#endif /* _TAS3001C_H_ */
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/*
* Header file for the i2c/i2s based TA3004 sound chip used
* on some Apple hardware. Also known as "tumbler".
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file COPYING in the main directory of this archive
* for more details.
*
* Written by Christopher C. Chimelis <chris@debian.org>
*/
#ifndef _TAS3004_H_
#define _TAS3004_H_
#include <linux/types.h>
#include "tas_common.h"
#include "tas_eq_prefs.h"
/*
* Macros that correspond to the registers that we write to
* when setting the various values.
*/
#define TAS3004_VERSION "0.3"
#define TAS3004_DATE "20011214"
#define I2C_DRIVERNAME_TAS3004 "TAS3004 driver V " TAS3004_VERSION
#define I2C_DRIVERID_TAS3004 (I2C_DRIVERID_TAS_BASE+1)
extern struct tas_driver_hooks_t tas3004_hooks;
extern struct tas_gain_t tas3004_gain;
extern struct tas_eq_pref_t *tas3004_eq_prefs[];
enum tas3004_reg_t {
TAS3004_REG_MCR = 0x01,
TAS3004_REG_DRC = 0x02,
TAS3004_REG_VOLUME = 0x04,
TAS3004_REG_TREBLE = 0x05,
TAS3004_REG_BASS = 0x06,
TAS3004_REG_LEFT_MIXER = 0x07,
TAS3004_REG_RIGHT_MIXER = 0x08,
TAS3004_REG_LEFT_BIQUAD0 = 0x0a,
TAS3004_REG_LEFT_BIQUAD1 = 0x0b,
TAS3004_REG_LEFT_BIQUAD2 = 0x0c,
TAS3004_REG_LEFT_BIQUAD3 = 0x0d,
TAS3004_REG_LEFT_BIQUAD4 = 0x0e,
TAS3004_REG_LEFT_BIQUAD5 = 0x0f,
TAS3004_REG_LEFT_BIQUAD6 = 0x10,
TAS3004_REG_RIGHT_BIQUAD0 = 0x13,
TAS3004_REG_RIGHT_BIQUAD1 = 0x14,
TAS3004_REG_RIGHT_BIQUAD2 = 0x15,
TAS3004_REG_RIGHT_BIQUAD3 = 0x16,
TAS3004_REG_RIGHT_BIQUAD4 = 0x17,
TAS3004_REG_RIGHT_BIQUAD5 = 0x18,
TAS3004_REG_RIGHT_BIQUAD6 = 0x19,
TAS3004_REG_LEFT_LOUD_BIQUAD = 0x21,
TAS3004_REG_RIGHT_LOUD_BIQUAD = 0x22,
TAS3004_REG_LEFT_LOUD_BIQUAD_GAIN = 0x23,
TAS3004_REG_RIGHT_LOUD_BIQUAD_GAIN = 0x24,
TAS3004_REG_TEST = 0x29,
TAS3004_REG_ANALOG_CTRL = 0x40,
TAS3004_REG_TEST1 = 0x41,
TAS3004_REG_TEST2 = 0x42,
TAS3004_REG_MCR2 = 0x43,
TAS3004_REG_MAX = 0x44
};
#endif /* _TAS3004_H_ */
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#include <linux/version.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/proc_fs.h>
#include <linux/ioport.h>
#include <linux/sysctl.h>
#include <linux/types.h>
#include <linux/i2c.h>
#include <linux/init.h>
#include <linux/soundcard.h>
#include <asm/uaccess.h>
#include <asm/errno.h>
#include <asm/io.h>
#include <asm/prom.h>
#include "tas_common.h"
#define CALL0(proc) \
do { \
struct tas_data_t *self; \
if (!tas_client || driver_hooks == NULL) \
return -1; \
self = dev_get_drvdata(&tas_client->dev); \
if (driver_hooks->proc) \
return driver_hooks->proc(self); \
else \
return -EINVAL; \
} while (0)
#define CALL(proc,arg...) \
do { \
struct tas_data_t *self; \
if (!tas_client || driver_hooks == NULL) \
return -1; \
self = dev_get_drvdata(&tas_client->dev); \
if (driver_hooks->proc) \
return driver_hooks->proc(self, ## arg); \
else \
return -EINVAL; \
} while (0)
static u8 tas_i2c_address = 0x34;
static struct i2c_client *tas_client;
static struct device_node* tas_node;
static int tas_attach_adapter(struct i2c_adapter *);
static int tas_detach_client(struct i2c_client *);
struct i2c_driver tas_driver = {
.owner = THIS_MODULE,
.name = "tas",
.flags = I2C_DF_NOTIFY,
.attach_adapter = tas_attach_adapter,
.detach_client = tas_detach_client,
};
struct tas_driver_hooks_t *driver_hooks;
int
tas_register_driver(struct tas_driver_hooks_t *hooks)
{
driver_hooks = hooks;
return 0;
}
int
tas_get_mixer_level(int mixer, uint *level)
{
CALL(get_mixer_level,mixer,level);
}
int
tas_set_mixer_level(int mixer,uint level)
{
CALL(set_mixer_level,mixer,level);
}
int
tas_enter_sleep(void)
{
CALL0(enter_sleep);
}
int
tas_leave_sleep(void)
{
CALL0(leave_sleep);
}
int
tas_supported_mixers(void)
{
CALL0(supported_mixers);
}
int
tas_mixer_is_stereo(int mixer)
{
CALL(mixer_is_stereo,mixer);
}
int
tas_stereo_mixers(void)
{
CALL0(stereo_mixers);
}
int
tas_output_device_change(int device_id,int layout_id,int speaker_id)
{
CALL(output_device_change,device_id,layout_id,speaker_id);
}
int
tas_device_ioctl(u_int cmd, u_long arg)
{
CALL(device_ioctl,cmd,arg);
}
int
tas_post_init(void)
{
CALL0(post_init);
}
static int
tas_detect_client(struct i2c_adapter *adapter, int address)
{
static const char *client_name = "tas Digital Equalizer";
struct i2c_client *new_client;
int rc = -ENODEV;
if (!driver_hooks) {
printk(KERN_ERR "tas_detect_client called with no hooks !\n");
return -ENODEV;
}
new_client = kmalloc(sizeof(*new_client), GFP_KERNEL);
if (!new_client)
return -ENOMEM;
memset(new_client, 0, sizeof(*new_client));
new_client->addr = address;
new_client->adapter = adapter;
new_client->driver = &tas_driver;
strlcpy(new_client->name, client_name, DEVICE_NAME_SIZE);
if (driver_hooks->init(new_client))
goto bail;
/* Tell the i2c layer a new client has arrived */
if (i2c_attach_client(new_client)) {
driver_hooks->uninit(dev_get_drvdata(&new_client->dev));
goto bail;
}
tas_client = new_client;
return 0;
bail:
tas_client = NULL;
kfree(new_client);
return rc;
}
static int
tas_attach_adapter(struct i2c_adapter *adapter)
{
if (!strncmp(adapter->name, "mac-io", 6))
return tas_detect_client(adapter, tas_i2c_address);
return 0;
}
static int
tas_detach_client(struct i2c_client *client)
{
if (client == tas_client) {
driver_hooks->uninit(dev_get_drvdata(&client->dev));
i2c_detach_client(client);
kfree(client);
}
return 0;
}
void
tas_cleanup(void)
{
i2c_del_driver(&tas_driver);
}
int __init
tas_init(int driver_id, const char *driver_name)
{
u32* paddr;
printk(KERN_INFO "tas driver [%s])\n", driver_name);
tas_node = find_devices("deq");
if (tas_node == NULL)
return -ENODEV;
paddr = (u32 *)get_property(tas_node, "i2c-address", NULL);
if (paddr) {
tas_i2c_address = (*paddr) >> 1;
printk(KERN_INFO "using i2c address: 0x%x from device-tree\n",
tas_i2c_address);
} else
printk(KERN_INFO "using i2c address: 0x%x (default)\n",
tas_i2c_address);
return i2c_add_driver(&tas_driver);
}
#ifndef _TAS_COMMON_H_
#define _TAS_COMMON_H_
#include <linux/i2c.h>
#include <linux/soundcard.h>
#include <asm/string.h>
#define I2C_DRIVERID_TAS_BASE (0xFEBA)
#define SET_4_20(shadow, offset, val) \
do { \
(shadow)[(offset)+0] = ((val) >> 16) & 0xff; \
(shadow)[(offset)+1] = ((val) >> 8) & 0xff; \
(shadow)[(offset)+2] = ((val) >> 0) & 0xff; \
} while (0)
#define GET_4_20(shadow, offset) \
(((u_int)((shadow)[(offset)+0]) << 16) | \
((u_int)((shadow)[(offset)+1]) << 8) | \
((u_int)((shadow)[(offset)+2]) << 0))
#define TAS_BIQUAD_FAST_LOAD 0x01
#define TAS_DRCE_ENABLE 0x01
#define TAS_DRCE_ABOVE_RATIO 0x02
#define TAS_DRCE_BELOW_RATIO 0x04
#define TAS_DRCE_THRESHOLD 0x08
#define TAS_DRCE_ENERGY 0x10
#define TAS_DRCE_ATTACK 0x20
#define TAS_DRCE_DECAY 0x40
#define TAS_DRCE_ALL 0x7f
#define TAS_OUTPUT_HEADPHONES 0x00
#define TAS_OUTPUT_INTERNAL_SPKR 0x01
#define TAS_OUTPUT_EXTERNAL_SPKR 0x02
union tas_biquad_t {
struct {
int b0,b1,b2,a1,a2;
} coeff;
int buf[5];
};
struct tas_biquad_ctrl_t {
u_int channel:4;
u_int filter:4;
union tas_biquad_t data;
};
struct tas_biquad_ctrl_list_t {
int flags;
int filter_count;
struct tas_biquad_ctrl_t biquads[0];
};
struct tas_ratio_t {
unsigned short val; /* 8.8 */
unsigned short expand; /* 0 = compress, !0 = expand. */
};
struct tas_drce_t {
unsigned short enable;
struct tas_ratio_t above;
struct tas_ratio_t below;
short threshold; /* dB, 8.8 signed */
unsigned short energy; /* seconds, 4.12 unsigned */
unsigned short attack; /* seconds, 4.12 unsigned */
unsigned short decay; /* seconds, 4.12 unsigned */
};
struct tas_drce_ctrl_t {
uint flags;
struct tas_drce_t data;
};
struct tas_gain_t
{
unsigned int *master;
unsigned int *treble;
unsigned int *bass;
unsigned int *mixer;
};
typedef char tas_shadow_t[16];
struct tas_data_t
{
struct i2c_client *client;
tas_shadow_t *shadow;
uint mixer[SOUND_MIXER_NRDEVICES];
};
typedef int (*tas_hook_init_t)(struct i2c_client *);
typedef int (*tas_hook_post_init_t)(struct tas_data_t *);
typedef void (*tas_hook_uninit_t)(struct tas_data_t *);
typedef int (*tas_hook_get_mixer_level_t)(struct tas_data_t *,int,uint *);
typedef int (*tas_hook_set_mixer_level_t)(struct tas_data_t *,int,uint);
typedef int (*tas_hook_enter_sleep_t)(struct tas_data_t *);
typedef int (*tas_hook_leave_sleep_t)(struct tas_data_t *);
typedef int (*tas_hook_supported_mixers_t)(struct tas_data_t *);
typedef int (*tas_hook_mixer_is_stereo_t)(struct tas_data_t *,int);
typedef int (*tas_hook_stereo_mixers_t)(struct tas_data_t *);
typedef int (*tas_hook_output_device_change_t)(struct tas_data_t *,int,int,int);
typedef int (*tas_hook_device_ioctl_t)(struct tas_data_t *,u_int,u_long);
struct tas_driver_hooks_t {
/*
* All hardware initialisation must be performed in
* post_init(), as tas_dmasound_init() does a hardware reset.
*
* init() is called before tas_dmasound_init() so that
* ouput_device_change() is always called after i2c driver
* initialisation. The implication is that
* output_device_change() must cope with the fact that it
* may be called before post_init().
*/
tas_hook_init_t init;
tas_hook_post_init_t post_init;
tas_hook_uninit_t uninit;
tas_hook_get_mixer_level_t get_mixer_level;
tas_hook_set_mixer_level_t set_mixer_level;
tas_hook_enter_sleep_t enter_sleep;
tas_hook_leave_sleep_t leave_sleep;
tas_hook_supported_mixers_t supported_mixers;
tas_hook_mixer_is_stereo_t mixer_is_stereo;
tas_hook_stereo_mixers_t stereo_mixers;
tas_hook_output_device_change_t output_device_change;
tas_hook_device_ioctl_t device_ioctl;
};
enum tas_write_mode_t {
WRITE_HW = 0x01,
WRITE_SHADOW = 0x02,
WRITE_NORMAL = 0x03,
FORCE_WRITE = 0x04
};
static inline uint
tas_mono_to_stereo(uint mono)
{
mono &=0xff;
return mono | (mono<<8);
}
/*
* Todo: make these functions a bit more efficient !
*/
static inline int
tas_write_register( struct tas_data_t *self,
uint reg_num,
uint reg_width,
char *data,
uint write_mode)
{
int rc;
if (reg_width==0 || data==NULL || self==NULL)
return -EINVAL;
if (!(write_mode & FORCE_WRITE) &&
!memcmp(data,self->shadow[reg_num],reg_width))
return 0;
if (write_mode & WRITE_SHADOW)
memcpy(self->shadow[reg_num],data,reg_width);
if (write_mode & WRITE_HW) {
rc=i2c_smbus_write_block_data(self->client,
reg_num,
reg_width,
data);
if (rc < 0) {
printk("tas: I2C block write failed \n");
return rc;
}
}
return 0;
}
static inline int
tas_sync_register( struct tas_data_t *self,
uint reg_num,
uint reg_width)
{
int rc;
if (reg_width==0 || self==NULL)
return -EINVAL;
rc=i2c_smbus_write_block_data(self->client,
reg_num,
reg_width,
self->shadow[reg_num]);
if (rc < 0) {
printk("tas: I2C block write failed \n");
return rc;
}
return 0;
}
static inline int
tas_write_byte_register( struct tas_data_t *self,
uint reg_num,
char data,
uint write_mode)
{
if (self==NULL)
return -1;
if (!(write_mode & FORCE_WRITE) && data != self->shadow[reg_num][0])
return 0;
if (write_mode & WRITE_SHADOW)
self->shadow[reg_num][0]=data;
if (write_mode & WRITE_HW) {
if (i2c_smbus_write_byte_data(self->client, reg_num, data) < 0) {
printk("tas: I2C byte write failed \n");
return -1;
}
}
return 0;
}
static inline int
tas_sync_byte_register( struct tas_data_t *self,
uint reg_num,
uint reg_width)
{
if (reg_width==0 || self==NULL)
return -1;
if (i2c_smbus_write_byte_data(
self->client, reg_num, self->shadow[reg_num][0]) < 0) {
printk("tas: I2C byte write failed \n");
return -1;
}
return 0;
}
static inline int
tas_read_register( struct tas_data_t *self,
uint reg_num,
uint reg_width,
char *data)
{
if (reg_width==0 || data==NULL || self==NULL)
return -1;
memcpy(data,self->shadow[reg_num],reg_width);
return 0;
}
extern int tas_register_driver(struct tas_driver_hooks_t *hooks);
extern int tas_get_mixer_level(int mixer,uint *level);
extern int tas_set_mixer_level(int mixer,uint level);
extern int tas_enter_sleep(void);
extern int tas_leave_sleep(void);
extern int tas_supported_mixers(void);
extern int tas_mixer_is_stereo(int mixer);
extern int tas_stereo_mixers(void);
extern int tas_output_device_change(int,int,int);
extern int tas_device_ioctl(u_int, u_long);
extern void tas_cleanup(void);
extern int tas_init(int driver_id,const char *driver_name);
extern int tas_post_init(void);
#endif /* _TAS_COMMON_H_ */
/*
* Local Variables:
* tab-width: 8
* indent-tabs-mode: t
* c-basic-offset: 8
* End:
*/
#ifndef _TAS_EQ_PREFS_H_
#define _TAS_EQ_PREFS_H_
struct tas_eq_pref_t {
u_int sample_rate;
u_int device_id;
u_int output_id;
u_int speaker_id;
struct tas_drce_t *drce;
u_int filter_count;
struct tas_biquad_ctrl_t *biquads;
};
#endif /* _TAS_EQ_PREFS_H_ */
/*
* Local Variables:
* tab-width: 8
* indent-tabs-mode: t
* c-basic-offset: 8
* End:
*/
#ifndef _TAS_IOCTL_H_
#define _TAS_IOCTL_H_
#include <linux/i2c.h>
#include <linux/soundcard.h>
#define TAS_READ_EQ _SIOR('t',0,struct tas_biquad_ctrl_t)
#define TAS_WRITE_EQ _SIOW('t',0,struct tas_biquad_ctrl_t)
#define TAS_READ_EQ_LIST _SIOR('t',1,struct tas_biquad_ctrl_t)
#define TAS_WRITE_EQ_LIST _SIOW('t',1,struct tas_biquad_ctrl_t)
#define TAS_READ_EQ_FILTER_COUNT _SIOR('t',2,int)
#define TAS_READ_EQ_CHANNEL_COUNT _SIOR('t',3,int)
#define TAS_READ_DRCE _SIOR('t',4,struct tas_drce_ctrl_t)
#define TAS_WRITE_DRCE _SIOW('t',4,struct tas_drce_ctrl_t)
#define TAS_READ_DRCE_CAPS _SIOR('t',5,int)
#define TAS_READ_DRCE_MIN _SIOR('t',6,int)
#define TAS_READ_DRCE_MAX _SIOR('t',7,int)
#endif
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