/*
- * experimental driver for simple i2c audio chips.
+ * Driver for simple i2c audio chips.
*
* Copyright (c) 2000 Gerd Knorr
* based on code by:
* Steve VanDeBogart (vandebo@uclink.berkeley.edu)
* Greg Alexander (galexand@acm.org)
*
+ * Copyright(c) 2005-2008 Mauro Carvalho Chehab
+ * - Some cleanups, code fixes, etc
+ * - Convert it to V4L2 API
+ *
* This code is placed under the terms of the GNU General Public License
*
* OPTIONS:
*
*/
-#include <linux/config.h>
#include <linux/module.h>
-#include <linux/moduleparam.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/string.h>
#include <linux/delay.h>
#include <linux/errno.h>
#include <linux/slab.h>
-#include <linux/videodev.h>
+#include <linux/videodev2.h>
#include <linux/i2c.h>
-#include <linux/i2c-algo-bit.h>
#include <linux/init.h>
-#include <linux/smp_lock.h>
+#include <linux/kthread.h>
+#include <linux/freezer.h>
-#include <media/audiochip.h>
+#include <media/tvaudio.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-chip-ident.h>
+#include <media/v4l2-i2c-drv.h>
-#include "tvaudio.h"
+#include <media/i2c-addr.h>
/* ---------------------------------------------------------------------- */
/* insmod args */
-static int debug = 0; /* insmod parameter */
+static int debug; /* insmod parameter */
module_param(debug, int, 0644);
MODULE_DESCRIPTION("device driver for various i2c TV sound decoder / audiomux chips");
#define UNSET (-1U)
-#define tvaudio_info(fmt, arg...) do { \
- printk(KERN_INFO "%s %d-%04x: " fmt, chip->c.driver->name, \
- i2c_adapter_id(chip->c.adapter), chip->c.addr , ## arg); } while (0)
-#define tvaudio_warn(fmt, arg...) do { \
- printk(KERN_WARNING "%s %d-%04x: " fmt, chip->c.driver->name, \
- i2c_adapter_id(chip->c.adapter), chip->c.addr , ## arg); } while (0)
-#define tvaudio_dbg(fmt, arg...) \
- do { \
- if (debug) \
- printk(KERN_INFO "%s debug %d-%04x: " fmt, chip->c.driver->name, \
- i2c_adapter_id(chip->c.adapter), chip->c.addr , ## arg); \
- } while (0)
-
/* ---------------------------------------------------------------------- */
/* our structs */
-#define MAXREGS 64
+#define MAXREGS 256
struct CHIPSTATE;
typedef int (*getvalue)(int);
typedef int (*initialize)(struct CHIPSTATE*);
typedef int (*getmode)(struct CHIPSTATE*);
typedef void (*setmode)(struct CHIPSTATE*, int mode);
-typedef void (*checkmode)(struct CHIPSTATE*);
/* i2c command */
typedef struct AUDIOCMD {
/* chip description */
struct CHIPDESC {
char *name; /* chip name */
- int id; /* ID */
int addr_lo, addr_hi; /* i2c address range */
int registers; /* # of registers */
#define CHIP_HAS_VOLUME 1
#define CHIP_HAS_BASSTREBLE 2
#define CHIP_HAS_INPUTSEL 4
+#define CHIP_NEED_CHECKMODE 8
/* various i2c command sequences */
audiocmd init;
getmode getmode;
setmode setmode;
- /* check / autoswitch audio after channel switches */
- checkmode checkmode;
-
/* input switch register + values for v4l inputs */
int inputreg;
- int inputmap[8];
+ int inputmap[4];
int inputmute;
int inputmask;
};
-static struct CHIPDESC chiplist[];
/* current state of the chip */
struct CHIPSTATE {
- struct i2c_client c;
+ struct v4l2_subdev sd;
- /* index into CHIPDESC array */
- int type;
+ /* chip-specific description - should point to
+ an entry at CHIPDESC table */
+ struct CHIPDESC *desc;
/* shadow register set */
audiocmd shadow;
/* current settings */
- __u16 left,right,treble,bass,mode;
+ __u16 left,right,treble,bass,muted,mode;
int prevmode;
int radio;
+ int input;
/* thread */
- pid_t tpid;
- struct completion texit;
- wait_queue_head_t wq;
+ struct task_struct *thread;
struct timer_list wt;
- int done;
int watch_stereo;
+ int audmode;
};
-/* ---------------------------------------------------------------------- */
-/* i2c addresses */
-
-static unsigned short normal_i2c[] = {
- I2C_TDA8425 >> 1,
- I2C_TEA6300 >> 1,
- I2C_TEA6420 >> 1,
- I2C_TDA9840 >> 1,
- I2C_TDA985x_L >> 1,
- I2C_TDA985x_H >> 1,
- I2C_TDA9874 >> 1,
- I2C_PIC16C54 >> 1,
- I2C_CLIENT_END };
-I2C_CLIENT_INSMOD;
-
-static struct i2c_driver driver;
-static struct i2c_client client_template;
+static inline struct CHIPSTATE *to_state(struct v4l2_subdev *sd)
+{
+ return container_of(sd, struct CHIPSTATE, sd);
+}
/* ---------------------------------------------------------------------- */
static int chip_write(struct CHIPSTATE *chip, int subaddr, int val)
{
+ struct v4l2_subdev *sd = &chip->sd;
+ struct i2c_client *c = v4l2_get_subdevdata(sd);
unsigned char buffer[2];
- if (-1 == subaddr) {
- tvaudio_dbg("%s: chip_write: 0x%x\n",
- chip->c.name, val);
+ if (subaddr < 0) {
+ v4l2_dbg(1, debug, sd, "chip_write: 0x%x\n", val);
chip->shadow.bytes[1] = val;
buffer[0] = val;
- if (1 != i2c_master_send(&chip->c,buffer,1)) {
- tvaudio_warn("%s: I/O error (write 0x%x)\n",
- chip->c.name, val);
+ if (1 != i2c_master_send(c, buffer, 1)) {
+ v4l2_warn(sd, "I/O error (write 0x%x)\n", val);
return -1;
}
} else {
- tvaudio_dbg("%s: chip_write: reg%d=0x%x\n",
- chip->c.name, subaddr, val);
+ if (subaddr + 1 >= ARRAY_SIZE(chip->shadow.bytes)) {
+ v4l2_info(sd,
+ "Tried to access a non-existent register: %d\n",
+ subaddr);
+ return -EINVAL;
+ }
+
+ v4l2_dbg(1, debug, sd, "chip_write: reg%d=0x%x\n",
+ subaddr, val);
chip->shadow.bytes[subaddr+1] = val;
buffer[0] = subaddr;
buffer[1] = val;
- if (2 != i2c_master_send(&chip->c,buffer,2)) {
- tvaudio_warn("%s: I/O error (write reg%d=0x%x)\n",
- chip->c.name, subaddr, val);
+ if (2 != i2c_master_send(c, buffer, 2)) {
+ v4l2_warn(sd, "I/O error (write reg%d=0x%x)\n",
+ subaddr, val);
return -1;
}
}
return 0;
}
-static int chip_write_masked(struct CHIPSTATE *chip, int subaddr, int val, int mask)
+static int chip_write_masked(struct CHIPSTATE *chip,
+ int subaddr, int val, int mask)
{
+ struct v4l2_subdev *sd = &chip->sd;
+
if (mask != 0) {
- if (-1 == subaddr) {
+ if (subaddr < 0) {
val = (chip->shadow.bytes[1] & ~mask) | (val & mask);
} else {
+ if (subaddr + 1 >= ARRAY_SIZE(chip->shadow.bytes)) {
+ v4l2_info(sd,
+ "Tried to access a non-existent register: %d\n",
+ subaddr);
+ return -EINVAL;
+ }
+
val = (chip->shadow.bytes[subaddr+1] & ~mask) | (val & mask);
}
}
static int chip_read(struct CHIPSTATE *chip)
{
+ struct v4l2_subdev *sd = &chip->sd;
+ struct i2c_client *c = v4l2_get_subdevdata(sd);
unsigned char buffer;
- if (1 != i2c_master_recv(&chip->c,&buffer,1)) {
- tvaudio_warn("%s: I/O error (read)\n",
- chip->c.name);
+ if (1 != i2c_master_recv(c, &buffer, 1)) {
+ v4l2_warn(sd, "I/O error (read)\n");
return -1;
}
- tvaudio_dbg("%s: chip_read: 0x%x\n",chip->c.name, buffer);
+ v4l2_dbg(1, debug, sd, "chip_read: 0x%x\n", buffer);
return buffer;
}
static int chip_read2(struct CHIPSTATE *chip, int subaddr)
{
+ struct v4l2_subdev *sd = &chip->sd;
+ struct i2c_client *c = v4l2_get_subdevdata(sd);
unsigned char write[1];
unsigned char read[1];
struct i2c_msg msgs[2] = {
- { chip->c.addr, 0, 1, write },
- { chip->c.addr, I2C_M_RD, 1, read }
+ { c->addr, 0, 1, write },
+ { c->addr, I2C_M_RD, 1, read }
};
+
write[0] = subaddr;
- if (2 != i2c_transfer(chip->c.adapter,msgs,2)) {
- tvaudio_warn("%s: I/O error (read2)\n", chip->c.name);
+ if (2 != i2c_transfer(c->adapter, msgs, 2)) {
+ v4l2_warn(sd, "I/O error (read2)\n");
return -1;
}
- tvaudio_dbg("%s: chip_read2: reg%d=0x%x\n",
- chip->c.name, subaddr,read[0]);
+ v4l2_dbg(1, debug, sd, "chip_read2: reg%d=0x%x\n",
+ subaddr, read[0]);
return read[0];
}
static int chip_cmd(struct CHIPSTATE *chip, char *name, audiocmd *cmd)
{
+ struct v4l2_subdev *sd = &chip->sd;
+ struct i2c_client *c = v4l2_get_subdevdata(sd);
int i;
if (0 == cmd->count)
return 0;
+ if (cmd->count + cmd->bytes[0] - 1 >= ARRAY_SIZE(chip->shadow.bytes)) {
+ v4l2_info(sd,
+ "Tried to access a non-existent register range: %d to %d\n",
+ cmd->bytes[0] + 1, cmd->bytes[0] + cmd->count - 1);
+ return -EINVAL;
+ }
+
+ /* FIXME: it seems that the shadow bytes are wrong bellow !*/
+
/* update our shadow register set; print bytes if (debug > 0) */
- tvaudio_dbg("%s: chip_cmd(%s): reg=%d, data:",
- chip->c.name, name,cmd->bytes[0]);
+ v4l2_dbg(1, debug, sd, "chip_cmd(%s): reg=%d, data:",
+ name, cmd->bytes[0]);
for (i = 1; i < cmd->count; i++) {
if (debug)
- printk(" 0x%x",cmd->bytes[i]);
+ printk(KERN_CONT " 0x%x", cmd->bytes[i]);
chip->shadow.bytes[i+cmd->bytes[0]] = cmd->bytes[i];
}
if (debug)
- printk("\n");
+ printk(KERN_CONT "\n");
/* send data to the chip */
- if (cmd->count != i2c_master_send(&chip->c,cmd->bytes,cmd->count)) {
- tvaudio_warn("%s: I/O error (%s)\n", chip->c.name, name);
+ if (cmd->count != i2c_master_send(c, cmd->bytes, cmd->count)) {
+ v4l2_warn(sd, "I/O error (%s)\n", name);
return -1;
}
return 0;
static void chip_thread_wake(unsigned long data)
{
struct CHIPSTATE *chip = (struct CHIPSTATE*)data;
- wake_up_interruptible(&chip->wq);
+ wake_up_process(chip->thread);
}
static int chip_thread(void *data)
{
- DECLARE_WAITQUEUE(wait, current);
struct CHIPSTATE *chip = data;
- struct CHIPDESC *desc = chiplist + chip->type;
-
- daemonize("%s", chip->c.name);
- allow_signal(SIGTERM);
- tvaudio_dbg("%s: thread started\n", chip->c.name);
+ struct CHIPDESC *desc = chip->desc;
+ struct v4l2_subdev *sd = &chip->sd;
+ int mode;
+ v4l2_dbg(1, debug, sd, "thread started\n");
+ set_freezable();
for (;;) {
- add_wait_queue(&chip->wq, &wait);
- if (!chip->done) {
- set_current_state(TASK_INTERRUPTIBLE);
+ set_current_state(TASK_INTERRUPTIBLE);
+ if (!kthread_should_stop())
schedule();
- }
- remove_wait_queue(&chip->wq, &wait);
+ set_current_state(TASK_RUNNING);
try_to_freeze();
- if (chip->done || signal_pending(current))
+ if (kthread_should_stop())
break;
- tvaudio_dbg("%s: thread wakeup\n", chip->c.name);
+ v4l2_dbg(1, debug, sd, "thread wakeup\n");
/* don't do anything for radio or if mode != auto */
if (chip->radio || chip->mode != 0)
continue;
/* have a look what's going on */
- desc->checkmode(chip);
-
- /* schedule next check */
- mod_timer(&chip->wt, jiffies+2*HZ);
- }
+ mode = desc->getmode(chip);
+ if (mode == chip->prevmode)
+ continue;
- tvaudio_dbg("%s: thread exiting\n", chip->c.name);
- complete_and_exit(&chip->texit, 0);
- return 0;
-}
+ /* chip detected a new audio mode - set it */
+ v4l2_dbg(1, debug, sd, "thread checkmode\n");
-static void generic_checkmode(struct CHIPSTATE *chip)
-{
- struct CHIPDESC *desc = chiplist + chip->type;
- int mode = desc->getmode(chip);
+ chip->prevmode = mode;
- if (mode == chip->prevmode)
- return;
+ if (mode & V4L2_TUNER_MODE_STEREO)
+ desc->setmode(chip, V4L2_TUNER_MODE_STEREO);
+ if (mode & V4L2_TUNER_MODE_LANG1_LANG2)
+ desc->setmode(chip, V4L2_TUNER_MODE_STEREO);
+ else if (mode & V4L2_TUNER_MODE_LANG1)
+ desc->setmode(chip, V4L2_TUNER_MODE_LANG1);
+ else if (mode & V4L2_TUNER_MODE_LANG2)
+ desc->setmode(chip, V4L2_TUNER_MODE_LANG2);
+ else
+ desc->setmode(chip, V4L2_TUNER_MODE_MONO);
- tvaudio_dbg("%s: thread checkmode\n", chip->c.name);
- chip->prevmode = mode;
+ /* schedule next check */
+ mod_timer(&chip->wt, jiffies+msecs_to_jiffies(2000));
+ }
- if (mode & VIDEO_SOUND_STEREO)
- desc->setmode(chip,VIDEO_SOUND_STEREO);
- else if (mode & VIDEO_SOUND_LANG1)
- desc->setmode(chip,VIDEO_SOUND_LANG1);
- else if (mode & VIDEO_SOUND_LANG2)
- desc->setmode(chip,VIDEO_SOUND_LANG2);
- else
- desc->setmode(chip,VIDEO_SOUND_MONO);
+ v4l2_dbg(1, debug, sd, "thread exiting\n");
+ return 0;
}
/* ---------------------------------------------------------------------- */
static int tda9840_getmode(struct CHIPSTATE *chip)
{
+ struct v4l2_subdev *sd = &chip->sd;
int val, mode;
val = chip_read(chip);
- mode = VIDEO_SOUND_MONO;
+ mode = V4L2_TUNER_MODE_MONO;
if (val & TDA9840_DS_DUAL)
- mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2;
+ mode |= V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2;
if (val & TDA9840_ST_STEREO)
- mode |= VIDEO_SOUND_STEREO;
+ mode |= V4L2_TUNER_MODE_STEREO;
- tvaudio_dbg ("tda9840_getmode(): raw chip read: %d, return: %d\n",
+ v4l2_dbg(1, debug, sd, "tda9840_getmode(): raw chip read: %d, return: %d\n",
val, mode);
return mode;
}
int t = chip->shadow.bytes[TDA9840_SW + 1] & ~0x7e;
switch (mode) {
- case VIDEO_SOUND_MONO:
+ case V4L2_TUNER_MODE_MONO:
t |= TDA9840_MONO;
break;
- case VIDEO_SOUND_STEREO:
+ case V4L2_TUNER_MODE_STEREO:
t |= TDA9840_STEREO;
break;
- case VIDEO_SOUND_LANG1:
+ case V4L2_TUNER_MODE_LANG1:
t |= TDA9840_DUALA;
break;
- case VIDEO_SOUND_LANG2:
+ case V4L2_TUNER_MODE_LANG2:
t |= TDA9840_DUALB;
break;
default:
chip_write(chip, TDA9840_SW, t);
}
+static int tda9840_checkit(struct CHIPSTATE *chip)
+{
+ int rc;
+ rc = chip_read(chip);
+ /* lower 5 bits should be 0 */
+ return ((rc & 0x1f) == 0) ? 1 : 0;
+}
+
/* ---------------------------------------------------------------------- */
/* audio chip descriptions - defines+functions for tda985x */
chip_read(chip)) >> 4;
/* Add mono mode regardless of SAP and stereo */
/* Allows forced mono */
- return mode | VIDEO_SOUND_MONO;
+ return mode | V4L2_TUNER_MODE_MONO;
}
static void tda985x_setmode(struct CHIPSTATE *chip, int mode)
int c6 = chip->shadow.bytes[TDA985x_C6+1] & 0x3f;
switch (mode) {
- case VIDEO_SOUND_MONO:
+ case V4L2_TUNER_MODE_MONO:
c6 |= TDA985x_MONO;
break;
- case VIDEO_SOUND_STEREO:
+ case V4L2_TUNER_MODE_STEREO:
c6 |= TDA985x_STEREO;
break;
- case VIDEO_SOUND_LANG1:
+ case V4L2_TUNER_MODE_LANG1:
c6 |= TDA985x_SAP;
break;
default:
static int tda9873_getmode(struct CHIPSTATE *chip)
{
+ struct v4l2_subdev *sd = &chip->sd;
int val,mode;
val = chip_read(chip);
- mode = VIDEO_SOUND_MONO;
+ mode = V4L2_TUNER_MODE_MONO;
if (val & TDA9873_STEREO)
- mode |= VIDEO_SOUND_STEREO;
+ mode |= V4L2_TUNER_MODE_STEREO;
if (val & TDA9873_DUAL)
- mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2;
- tvaudio_dbg ("tda9873_getmode(): raw chip read: %d, return: %d\n",
+ mode |= V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2;
+ v4l2_dbg(1, debug, sd, "tda9873_getmode(): raw chip read: %d, return: %d\n",
val, mode);
return mode;
}
static void tda9873_setmode(struct CHIPSTATE *chip, int mode)
{
+ struct v4l2_subdev *sd = &chip->sd;
int sw_data = chip->shadow.bytes[TDA9873_SW+1] & ~ TDA9873_TR_MASK;
/* int adj_data = chip->shadow.bytes[TDA9873_AD+1] ; */
if ((sw_data & TDA9873_INP_MASK) != TDA9873_INTERNAL) {
- tvaudio_dbg("tda9873_setmode(): external input\n");
+ v4l2_dbg(1, debug, sd, "tda9873_setmode(): external input\n");
return;
}
- tvaudio_dbg("tda9873_setmode(): chip->shadow.bytes[%d] = %d\n", TDA9873_SW+1, chip->shadow.bytes[TDA9873_SW+1]);
- tvaudio_dbg("tda9873_setmode(): sw_data = %d\n", sw_data);
+ v4l2_dbg(1, debug, sd, "tda9873_setmode(): chip->shadow.bytes[%d] = %d\n", TDA9873_SW+1, chip->shadow.bytes[TDA9873_SW+1]);
+ v4l2_dbg(1, debug, sd, "tda9873_setmode(): sw_data = %d\n", sw_data);
switch (mode) {
- case VIDEO_SOUND_MONO:
+ case V4L2_TUNER_MODE_MONO:
sw_data |= TDA9873_TR_MONO;
break;
- case VIDEO_SOUND_STEREO:
+ case V4L2_TUNER_MODE_STEREO:
sw_data |= TDA9873_TR_STEREO;
break;
- case VIDEO_SOUND_LANG1:
+ case V4L2_TUNER_MODE_LANG1:
sw_data |= TDA9873_TR_DUALA;
break;
- case VIDEO_SOUND_LANG2:
+ case V4L2_TUNER_MODE_LANG2:
sw_data |= TDA9873_TR_DUALB;
break;
default:
}
chip_write(chip, TDA9873_SW, sw_data);
- tvaudio_dbg("tda9873_setmode(): req. mode %d; chip_write: %d\n",
+ v4l2_dbg(1, debug, sd, "tda9873_setmode(): req. mode %d; chip_write: %d\n",
mode, sw_data);
}
char *name;
audiocmd cmd;
} tda9874a_modelist[9] = {
- { "A2, B/G",
+ { "A2, B/G", /* default */
{ 9, { TDA9874A_C1FRA, 0x72,0x95,0x55, 0x77,0xA0,0x00, 0x00,0x00 }} },
{ "A2, M (Korea)",
{ 9, { TDA9874A_C1FRA, 0x5D,0xC0,0x00, 0x62,0x6A,0xAA, 0x20,0x22 }} },
{ 9, { TDA9874A_C1FRA, 0x7D,0x00,0x00, 0x88,0x8A,0xAA, 0x08,0x33 }} },
{ "NICAM, B/G",
{ 9, { TDA9874A_C1FRA, 0x72,0x95,0x55, 0x79,0xEA,0xAA, 0x08,0x33 }} },
- { "NICAM, D/K", /* default */
+ { "NICAM, D/K",
{ 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x79,0xEA,0xAA, 0x08,0x33 }} },
{ "NICAM, L",
{ 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x79,0xEA,0xAA, 0x09,0x33 }} }
static int tda9874a_setup(struct CHIPSTATE *chip)
{
+ struct v4l2_subdev *sd = &chip->sd;
+
chip_write(chip, TDA9874A_AGCGR, 0x00); /* 0 dB */
chip_write(chip, TDA9874A_GCONR, tda9874a_GCONR);
chip_write(chip, TDA9874A_MSR, (tda9874a_mode) ? 0x03:0x02);
chip_write(chip, TDA9874A_SDACOSR, (tda9874a_mode) ? 0x81:0x80);
chip_write(chip, TDA9874A_AOSR, 0x00); /* or 0x10 */
}
- tvaudio_dbg("tda9874a_setup(): %s [0x%02X].\n",
+ v4l2_dbg(1, debug, sd, "tda9874a_setup(): %s [0x%02X].\n",
tda9874a_modelist[tda9874a_STD].name,tda9874a_STD);
return 1;
}
static int tda9874a_getmode(struct CHIPSTATE *chip)
{
+ struct v4l2_subdev *sd = &chip->sd;
int dsr,nsr,mode;
int necr; /* just for debugging */
- mode = VIDEO_SOUND_MONO;
+ mode = V4L2_TUNER_MODE_MONO;
if(-1 == (dsr = chip_read2(chip,TDA9874A_DSR)))
return mode;
* that sound has (temporarily) switched from NICAM to
* mono FM (or AM) on 1st sound carrier due to high NICAM bit
* error count. So in fact there is no stereo in this case :-(
- * But changing the mode to VIDEO_SOUND_MONO would switch
+ * But changing the mode to V4L2_TUNER_MODE_MONO would switch
* external 4052 multiplexer in audio_hook().
*/
if(nsr & 0x02) /* NSR.S/MB=1 */
- mode |= VIDEO_SOUND_STEREO;
+ mode |= V4L2_TUNER_MODE_STEREO;
if(nsr & 0x01) /* NSR.D/SB=1 */
- mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2;
+ mode |= V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2;
} else {
if(dsr & 0x02) /* DSR.IDSTE=1 */
- mode |= VIDEO_SOUND_STEREO;
+ mode |= V4L2_TUNER_MODE_STEREO;
if(dsr & 0x04) /* DSR.IDDUA=1 */
- mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2;
+ mode |= V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2;
}
- tvaudio_dbg("tda9874a_getmode(): DSR=0x%X, NSR=0x%X, NECR=0x%X, return: %d.\n",
+ v4l2_dbg(1, debug, sd, "tda9874a_getmode(): DSR=0x%X, NSR=0x%X, NECR=0x%X, return: %d.\n",
dsr, nsr, necr, mode);
return mode;
}
static void tda9874a_setmode(struct CHIPSTATE *chip, int mode)
{
+ struct v4l2_subdev *sd = &chip->sd;
+
/* Disable/enable NICAM auto-muting (based on DSR.RSSF status bit). */
/* If auto-muting is disabled, we can hear a signal of degrading quality. */
- if(tda9874a_mode) {
+ if (tda9874a_mode) {
if(chip->shadow.bytes[MAXREGS-2] & 0x20) /* DSR.RSSF=1 */
tda9874a_NCONR &= 0xfe; /* enable */
else
int mdacosr = (tda9874a_mode) ? 0x82:0x80;
switch(mode) {
- case VIDEO_SOUND_MONO:
- case VIDEO_SOUND_STEREO:
+ case V4L2_TUNER_MODE_MONO:
+ case V4L2_TUNER_MODE_STEREO:
break;
- case VIDEO_SOUND_LANG1:
+ case V4L2_TUNER_MODE_LANG1:
aosr = 0x80; /* auto-select, dual A/A */
mdacosr = (tda9874a_mode) ? 0x82:0x80;
break;
- case VIDEO_SOUND_LANG2:
+ case V4L2_TUNER_MODE_LANG2:
aosr = 0xa0; /* auto-select, dual B/B */
mdacosr = (tda9874a_mode) ? 0x83:0x81;
break;
chip_write(chip, TDA9874A_AOSR, aosr);
chip_write(chip, TDA9874A_MDACOSR, mdacosr);
- tvaudio_dbg("tda9874a_setmode(): req. mode %d; AOSR=0x%X, MDACOSR=0x%X.\n",
+ v4l2_dbg(1, debug, sd, "tda9874a_setmode(): req. mode %d; AOSR=0x%X, MDACOSR=0x%X.\n",
mode, aosr, mdacosr);
} else { /* dic == 0x07 */
int fmmr,aosr;
switch(mode) {
- case VIDEO_SOUND_MONO:
+ case V4L2_TUNER_MODE_MONO:
fmmr = 0x00; /* mono */
aosr = 0x10; /* A/A */
break;
- case VIDEO_SOUND_STEREO:
+ case V4L2_TUNER_MODE_STEREO:
if(tda9874a_mode) {
fmmr = 0x00;
aosr = 0x00; /* handled by NICAM auto-mute */
aosr = 0x00;
}
break;
- case VIDEO_SOUND_LANG1:
+ case V4L2_TUNER_MODE_LANG1:
fmmr = 0x02; /* dual */
aosr = 0x10; /* dual A/A */
break;
- case VIDEO_SOUND_LANG2:
+ case V4L2_TUNER_MODE_LANG2:
fmmr = 0x02; /* dual */
aosr = 0x20; /* dual B/B */
break;
chip_write(chip, TDA9874A_FMMR, fmmr);
chip_write(chip, TDA9874A_AOSR, aosr);
- tvaudio_dbg("tda9874a_setmode(): req. mode %d; FMMR=0x%X, AOSR=0x%X.\n",
+ v4l2_dbg(1, debug, sd, "tda9874a_setmode(): req. mode %d; FMMR=0x%X, AOSR=0x%X.\n",
mode, fmmr, aosr);
}
}
static int tda9874a_checkit(struct CHIPSTATE *chip)
{
+ struct v4l2_subdev *sd = &chip->sd;
int dic,sic; /* device id. and software id. codes */
if(-1 == (dic = chip_read2(chip,TDA9874A_DIC)))
if(-1 == (sic = chip_read2(chip,TDA9874A_SIC)))
return 0;
- tvaudio_dbg("tda9874a_checkit(): DIC=0x%X, SIC=0x%X.\n", dic, sic);
+ v4l2_dbg(1, debug, sd, "tda9874a_checkit(): DIC=0x%X, SIC=0x%X.\n", dic, sic);
if((dic == 0x11)||(dic == 0x07)) {
- tvaudio_info("found tda9874%s.\n", (dic == 0x11) ? "a":"h");
+ v4l2_info(sd, "found tda9874%s.\n", (dic == 0x11) ? "a" : "h");
tda9874a_dic = dic; /* remember device id. */
return 1;
}
{
if (tda9874a_SIF > 2)
tda9874a_SIF = 1;
- if (tda9874a_STD > 8)
+ if (tda9874a_STD >= ARRAY_SIZE(tda9874a_modelist))
tda9874a_STD = 0;
if(tda9874a_AMSEL > 1)
tda9874a_AMSEL = 0;
return 0;
}
+/* ---------------------------------------------------------------------- */
+/* audio chip description - defines+functions for tda9875 */
+/* The TDA9875 is made by Philips Semiconductor
+ * http://www.semiconductors.philips.com
+ * TDA9875: I2C-bus controlled DSP audio processor, FM demodulator
+ *
+ */
+
+/* subaddresses for TDA9875 */
+#define TDA9875_MUT 0x12 /*General mute (value --> 0b11001100*/
+#define TDA9875_CFG 0x01 /* Config register (value --> 0b00000000 */
+#define TDA9875_DACOS 0x13 /*DAC i/o select (ADC) 0b0000100*/
+#define TDA9875_LOSR 0x16 /*Line output select regirter 0b0100 0001*/
+
+#define TDA9875_CH1V 0x0c /*Channel 1 volume (mute)*/
+#define TDA9875_CH2V 0x0d /*Channel 2 volume (mute)*/
+#define TDA9875_SC1 0x14 /*SCART 1 in (mono)*/
+#define TDA9875_SC2 0x15 /*SCART 2 in (mono)*/
+
+#define TDA9875_ADCIS 0x17 /*ADC input select (mono) 0b0110 000*/
+#define TDA9875_AER 0x19 /*Audio effect (AVL+Pseudo) 0b0000 0110*/
+#define TDA9875_MCS 0x18 /*Main channel select (DAC) 0b0000100*/
+#define TDA9875_MVL 0x1a /* Main volume gauche */
+#define TDA9875_MVR 0x1b /* Main volume droite */
+#define TDA9875_MBA 0x1d /* Main Basse */
+#define TDA9875_MTR 0x1e /* Main treble */
+#define TDA9875_ACS 0x1f /* Auxilary channel select (FM) 0b0000000*/
+#define TDA9875_AVL 0x20 /* Auxilary volume gauche */
+#define TDA9875_AVR 0x21 /* Auxilary volume droite */
+#define TDA9875_ABA 0x22 /* Auxilary Basse */
+#define TDA9875_ATR 0x23 /* Auxilary treble */
+
+#define TDA9875_MSR 0x02 /* Monitor select register */
+#define TDA9875_C1MSB 0x03 /* Carrier 1 (FM) frequency register MSB */
+#define TDA9875_C1MIB 0x04 /* Carrier 1 (FM) frequency register (16-8]b */
+#define TDA9875_C1LSB 0x05 /* Carrier 1 (FM) frequency register LSB */
+#define TDA9875_C2MSB 0x06 /* Carrier 2 (nicam) frequency register MSB */
+#define TDA9875_C2MIB 0x07 /* Carrier 2 (nicam) frequency register (16-8]b */
+#define TDA9875_C2LSB 0x08 /* Carrier 2 (nicam) frequency register LSB */
+#define TDA9875_DCR 0x09 /* Demodulateur configuration regirter*/
+#define TDA9875_DEEM 0x0a /* FM de-emphasis regirter*/
+#define TDA9875_FMAT 0x0b /* FM Matrix regirter*/
+
+/* values */
+#define TDA9875_MUTE_ON 0xff /* general mute */
+#define TDA9875_MUTE_OFF 0xcc /* general no mute */
+
+static int tda9875_initialize(struct CHIPSTATE *chip)
+{
+ chip_write(chip, TDA9875_CFG, 0xd0); /*reg de config 0 (reset)*/
+ chip_write(chip, TDA9875_MSR, 0x03); /* Monitor 0b00000XXX*/
+ chip_write(chip, TDA9875_C1MSB, 0x00); /*Car1(FM) MSB XMHz*/
+ chip_write(chip, TDA9875_C1MIB, 0x00); /*Car1(FM) MIB XMHz*/
+ chip_write(chip, TDA9875_C1LSB, 0x00); /*Car1(FM) LSB XMHz*/
+ chip_write(chip, TDA9875_C2MSB, 0x00); /*Car2(NICAM) MSB XMHz*/
+ chip_write(chip, TDA9875_C2MIB, 0x00); /*Car2(NICAM) MIB XMHz*/
+ chip_write(chip, TDA9875_C2LSB, 0x00); /*Car2(NICAM) LSB XMHz*/
+ chip_write(chip, TDA9875_DCR, 0x00); /*Demod config 0x00*/
+ chip_write(chip, TDA9875_DEEM, 0x44); /*DE-Emph 0b0100 0100*/
+ chip_write(chip, TDA9875_FMAT, 0x00); /*FM Matrix reg 0x00*/
+ chip_write(chip, TDA9875_SC1, 0x00); /* SCART 1 (SC1)*/
+ chip_write(chip, TDA9875_SC2, 0x01); /* SCART 2 (sc2)*/
+
+ chip_write(chip, TDA9875_CH1V, 0x10); /* Channel volume 1 mute*/
+ chip_write(chip, TDA9875_CH2V, 0x10); /* Channel volume 2 mute */
+ chip_write(chip, TDA9875_DACOS, 0x02); /* sig DAC i/o(in:nicam)*/
+ chip_write(chip, TDA9875_ADCIS, 0x6f); /* sig ADC input(in:mono)*/
+ chip_write(chip, TDA9875_LOSR, 0x00); /* line out (in:mono)*/
+ chip_write(chip, TDA9875_AER, 0x00); /*06 Effect (AVL+PSEUDO) */
+ chip_write(chip, TDA9875_MCS, 0x44); /* Main ch select (DAC) */
+ chip_write(chip, TDA9875_MVL, 0x03); /* Vol Main left 10dB */
+ chip_write(chip, TDA9875_MVR, 0x03); /* Vol Main right 10dB*/
+ chip_write(chip, TDA9875_MBA, 0x00); /* Main Bass Main 0dB*/
+ chip_write(chip, TDA9875_MTR, 0x00); /* Main Treble Main 0dB*/
+ chip_write(chip, TDA9875_ACS, 0x44); /* Aux chan select (dac)*/
+ chip_write(chip, TDA9875_AVL, 0x00); /* Vol Aux left 0dB*/
+ chip_write(chip, TDA9875_AVR, 0x00); /* Vol Aux right 0dB*/
+ chip_write(chip, TDA9875_ABA, 0x00); /* Aux Bass Main 0dB*/
+ chip_write(chip, TDA9875_ATR, 0x00); /* Aux Aigus Main 0dB*/
+
+ chip_write(chip, TDA9875_MUT, 0xcc); /* General mute */
+ return 0;
+}
+
+static int tda9875_volume(int val) { return (unsigned char)(val / 602 - 84); }
+static int tda9875_bass(int val) { return (unsigned char)(max(-12, val / 2115 - 15)); }
+static int tda9875_treble(int val) { return (unsigned char)(val / 2622 - 12); }
+
+/* ----------------------------------------------------------------------- */
+
+
+/* *********************** *
+ * i2c interface functions *
+ * *********************** */
+
+static int tda9875_checkit(struct CHIPSTATE *chip)
+{
+ struct v4l2_subdev *sd = &chip->sd;
+ int dic, rev;
+
+ dic = chip_read2(chip, 254);
+ rev = chip_read2(chip, 255);
+
+ if (dic == 0 || dic == 2) { /* tda9875 and tda9875A */
+ v4l2_info(sd, "found tda9875%s rev. %d.\n",
+ dic == 0 ? "" : "A", rev);
+ return 1;
+ }
+ return 0;
+}
/* ---------------------------------------------------------------------- */
/* audio chip descriptions - defines+functions for tea6420 */
static int tda8425_initialize(struct CHIPSTATE *chip)
{
- struct CHIPDESC *desc = chiplist + chip->type;
- int inputmap[8] = { /* tuner */ TDA8425_S1_CH2, /* radio */ TDA8425_S1_CH1,
- /* extern */ TDA8425_S1_CH1, /* intern */ TDA8425_S1_OFF,
- /* off */ TDA8425_S1_OFF, /* on */ TDA8425_S1_CH2};
+ struct CHIPDESC *desc = chip->desc;
+ struct i2c_client *c = v4l2_get_subdevdata(&chip->sd);
+ int inputmap[4] = { /* tuner */ TDA8425_S1_CH2, /* radio */ TDA8425_S1_CH1,
+ /* extern */ TDA8425_S1_CH1, /* intern */ TDA8425_S1_OFF};
- if (chip->c.adapter->id == I2C_HW_B_RIVA) {
- memcpy (desc->inputmap, inputmap, sizeof (inputmap));
- }
+ if (c->adapter->id == I2C_HW_B_RIVA)
+ memcpy(desc->inputmap, inputmap, sizeof(inputmap));
return 0;
}
{
int s1 = chip->shadow.bytes[TDA8425_S1+1] & 0xe1;
- if (mode & VIDEO_SOUND_LANG1) {
+ if (mode & V4L2_TUNER_MODE_LANG1) {
s1 |= TDA8425_S1_ML_SOUND_A;
s1 |= TDA8425_S1_STEREO_PSEUDO;
- } else if (mode & VIDEO_SOUND_LANG2) {
+ } else if (mode & V4L2_TUNER_MODE_LANG2) {
s1 |= TDA8425_S1_ML_SOUND_B;
s1 |= TDA8425_S1_STEREO_PSEUDO;
} else {
s1 |= TDA8425_S1_ML_STEREO;
- if (mode & VIDEO_SOUND_MONO)
+ if (mode & V4L2_TUNER_MODE_MONO)
s1 |= TDA8425_S1_STEREO_MONO;
- if (mode & VIDEO_SOUND_STEREO)
+ if (mode & V4L2_TUNER_MODE_STEREO)
s1 |= TDA8425_S1_STEREO_SPATIAL;
}
chip_write(chip,TDA8425_S1,s1);
int val, mode;
val = chip_read(chip);
- mode = VIDEO_SOUND_MONO;
+ mode = V4L2_TUNER_MODE_MONO;
if (val & TA8874Z_B1){
- mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2;
+ mode |= V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2;
}else if (!(val & TA8874Z_B0)){
- mode |= VIDEO_SOUND_STEREO;
+ mode |= V4L2_TUNER_MODE_STEREO;
}
- /* tvaudio_dbg ("ta8874z_getmode(): raw chip read: 0x%02x, return: 0x%02x\n", val, mode); */
+ /* v4l_dbg(1, debug, chip->c, "ta8874z_getmode(): raw chip read: 0x%02x, return: 0x%02x\n", val, mode); */
return mode;
}
static void ta8874z_setmode(struct CHIPSTATE *chip, int mode)
{
+ struct v4l2_subdev *sd = &chip->sd;
int update = 1;
audiocmd *t = NULL;
- tvaudio_dbg("ta8874z_setmode(): mode: 0x%02x\n", mode);
+
+ v4l2_dbg(1, debug, sd, "ta8874z_setmode(): mode: 0x%02x\n", mode);
switch(mode){
- case VIDEO_SOUND_MONO:
+ case V4L2_TUNER_MODE_MONO:
t = &ta8874z_mono;
break;
- case VIDEO_SOUND_STEREO:
+ case V4L2_TUNER_MODE_STEREO:
t = &ta8874z_stereo;
break;
- case VIDEO_SOUND_LANG1:
+ case V4L2_TUNER_MODE_LANG1:
t = &ta8874z_main;
break;
- case VIDEO_SOUND_LANG2:
+ case V4L2_TUNER_MODE_LANG2:
t = &ta8874z_sub;
break;
default:
static int tda9855 = 1;
static int tda9873 = 1;
static int tda9874a = 1;
-static int tea6300 = 0; /* address clash with msp34xx */
-static int tea6320 = 0; /* address clash with msp34xx */
+static int tda9875 = 1;
+static int tea6300; /* default 0 - address clash with msp34xx */
+static int tea6320; /* default 0 - address clash with msp34xx */
static int tea6420 = 1;
static int pic16c54 = 1;
-static int ta8874z = 0; /* address clash with tda9840 */
+static int ta8874z; /* default 0 - address clash with tda9840 */
module_param(tda8425, int, 0444);
module_param(tda9840, int, 0444);
module_param(tda9855, int, 0444);
module_param(tda9873, int, 0444);
module_param(tda9874a, int, 0444);
+module_param(tda9875, int, 0444);
module_param(tea6300, int, 0444);
module_param(tea6320, int, 0444);
module_param(tea6420, int, 0444);
static struct CHIPDESC chiplist[] = {
{
.name = "tda9840",
- .id = I2C_DRIVERID_TDA9840,
.insmodopt = &tda9840,
- .addr_lo = I2C_TDA9840 >> 1,
- .addr_hi = I2C_TDA9840 >> 1,
+ .addr_lo = I2C_ADDR_TDA9840 >> 1,
+ .addr_hi = I2C_ADDR_TDA9840 >> 1,
.registers = 5,
+ .flags = CHIP_NEED_CHECKMODE,
+ /* callbacks */
+ .checkit = tda9840_checkit,
.getmode = tda9840_getmode,
.setmode = tda9840_setmode,
- .checkmode = generic_checkmode,
.init = { 2, { TDA9840_TEST, TDA9840_TEST_INT1SN
/* ,TDA9840_SW, TDA9840_MONO */} }
},
{
.name = "tda9873h",
- .id = I2C_DRIVERID_TDA9873,
- .checkit = tda9873_checkit,
.insmodopt = &tda9873,
- .addr_lo = I2C_TDA985x_L >> 1,
- .addr_hi = I2C_TDA985x_H >> 1,
+ .addr_lo = I2C_ADDR_TDA985x_L >> 1,
+ .addr_hi = I2C_ADDR_TDA985x_H >> 1,
.registers = 3,
- .flags = CHIP_HAS_INPUTSEL,
+ .flags = CHIP_HAS_INPUTSEL | CHIP_NEED_CHECKMODE,
+ /* callbacks */
+ .checkit = tda9873_checkit,
.getmode = tda9873_getmode,
.setmode = tda9873_setmode,
- .checkmode = generic_checkmode,
.init = { 4, { TDA9873_SW, 0xa4, 0x06, 0x03 } },
.inputreg = TDA9873_SW,
.inputmute = TDA9873_MUTE | TDA9873_AUTOMUTE,
- .inputmap = {0xa0, 0xa2, 0xa0, 0xa0, 0xc0},
+ .inputmap = {0xa0, 0xa2, 0xa0, 0xa0},
.inputmask = TDA9873_INP_MASK|TDA9873_MUTE|TDA9873_AUTOMUTE,
},
{
.name = "tda9874h/a",
- .id = I2C_DRIVERID_TDA9874,
- .checkit = tda9874a_checkit,
- .initialize = tda9874a_initialize,
.insmodopt = &tda9874a,
- .addr_lo = I2C_TDA9874 >> 1,
- .addr_hi = I2C_TDA9874 >> 1,
+ .addr_lo = I2C_ADDR_TDA9874 >> 1,
+ .addr_hi = I2C_ADDR_TDA9874 >> 1,
+ .flags = CHIP_NEED_CHECKMODE,
+ /* callbacks */
+ .initialize = tda9874a_initialize,
+ .checkit = tda9874a_checkit,
.getmode = tda9874a_getmode,
.setmode = tda9874a_setmode,
- .checkmode = generic_checkmode,
+ },
+ {
+ .name = "tda9875",
+ .insmodopt = &tda9875,
+ .addr_lo = I2C_ADDR_TDA9875 >> 1,
+ .addr_hi = I2C_ADDR_TDA9875 >> 1,
+ .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE,
+
+ /* callbacks */
+ .initialize = tda9875_initialize,
+ .checkit = tda9875_checkit,
+ .volfunc = tda9875_volume,
+ .bassfunc = tda9875_bass,
+ .treblefunc = tda9875_treble,
+ .leftreg = TDA9875_MVL,
+ .rightreg = TDA9875_MVR,
+ .bassreg = TDA9875_MBA,
+ .treblereg = TDA9875_MTR,
+ .leftinit = 58880,
+ .rightinit = 58880,
},
{
.name = "tda9850",
- .id = I2C_DRIVERID_TDA9850,
.insmodopt = &tda9850,
- .addr_lo = I2C_TDA985x_L >> 1,
- .addr_hi = I2C_TDA985x_H >> 1,
+ .addr_lo = I2C_ADDR_TDA985x_L >> 1,
+ .addr_hi = I2C_ADDR_TDA985x_H >> 1,
.registers = 11,
.getmode = tda985x_getmode,
},
{
.name = "tda9855",
- .id = I2C_DRIVERID_TDA9855,
.insmodopt = &tda9855,
- .addr_lo = I2C_TDA985x_L >> 1,
- .addr_hi = I2C_TDA985x_H >> 1,
+ .addr_lo = I2C_ADDR_TDA985x_L >> 1,
+ .addr_hi = I2C_ADDR_TDA985x_H >> 1,
.registers = 11,
.flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE,
.rightreg = TDA9855_VR,
.bassreg = TDA9855_BA,
.treblereg = TDA9855_TR,
+
+ /* callbacks */
.volfunc = tda9855_volume,
.bassfunc = tda9855_bass,
.treblefunc = tda9855_treble,
-
.getmode = tda985x_getmode,
.setmode = tda985x_setmode,
},
{
.name = "tea6300",
- .id = I2C_DRIVERID_TEA6300,
.insmodopt = &tea6300,
- .addr_lo = I2C_TEA6300 >> 1,
- .addr_hi = I2C_TEA6300 >> 1,
+ .addr_lo = I2C_ADDR_TEA6300 >> 1,
+ .addr_hi = I2C_ADDR_TEA6300 >> 1,
.registers = 6,
.flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL,
.rightreg = TEA6300_VL,
.bassreg = TEA6300_BA,
.treblereg = TEA6300_TR,
+
+ /* callbacks */
.volfunc = tea6300_shift10,
.bassfunc = tea6300_shift12,
.treblefunc = tea6300_shift12,
},
{
.name = "tea6320",
- .id = I2C_DRIVERID_TEA6300,
- .initialize = tea6320_initialize,
.insmodopt = &tea6320,
- .addr_lo = I2C_TEA6300 >> 1,
- .addr_hi = I2C_TEA6300 >> 1,
+ .addr_lo = I2C_ADDR_TEA6300 >> 1,
+ .addr_hi = I2C_ADDR_TEA6300 >> 1,
.registers = 8,
.flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL,
.rightreg = TEA6320_V,
.bassreg = TEA6320_BA,
.treblereg = TEA6320_TR,
+
+ /* callbacks */
+ .initialize = tea6320_initialize,
.volfunc = tea6320_volume,
.bassfunc = tea6320_shift11,
.treblefunc = tea6320_shift11,
},
{
.name = "tea6420",
- .id = I2C_DRIVERID_TEA6420,
.insmodopt = &tea6420,
- .addr_lo = I2C_TEA6420 >> 1,
- .addr_hi = I2C_TEA6420 >> 1,
+ .addr_lo = I2C_ADDR_TEA6420 >> 1,
+ .addr_hi = I2C_ADDR_TEA6420 >> 1,
.registers = 1,
.flags = CHIP_HAS_INPUTSEL,
},
{
.name = "tda8425",
- .id = I2C_DRIVERID_TDA8425,
.insmodopt = &tda8425,
- .addr_lo = I2C_TDA8425 >> 1,
- .addr_hi = I2C_TDA8425 >> 1,
+ .addr_lo = I2C_ADDR_TDA8425 >> 1,
+ .addr_hi = I2C_ADDR_TDA8425 >> 1,
.registers = 9,
.flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL,
.rightreg = TDA8425_VR,
.bassreg = TDA8425_BA,
.treblereg = TDA8425_TR,
+
+ /* callbacks */
+ .initialize = tda8425_initialize,
.volfunc = tda8425_shift10,
.bassfunc = tda8425_shift12,
.treblefunc = tda8425_shift12,
+ .setmode = tda8425_setmode,
.inputreg = TDA8425_S1,
.inputmap = { TDA8425_S1_CH1, TDA8425_S1_CH1, TDA8425_S1_CH1 },
.inputmute = TDA8425_S1_OFF,
- .setmode = tda8425_setmode,
- .initialize = tda8425_initialize,
},
{
.name = "pic16c54 (PV951)",
- .id = I2C_DRIVERID_PIC16C54_PV9,
.insmodopt = &pic16c54,
- .addr_lo = I2C_PIC16C54 >> 1,
- .addr_hi = I2C_PIC16C54>> 1,
+ .addr_lo = I2C_ADDR_PIC16C54 >> 1,
+ .addr_hi = I2C_ADDR_PIC16C54>> 1,
.registers = 2,
.flags = CHIP_HAS_INPUTSEL,
.inputmap = {PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_TUNER,
PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_LINE,
PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_LINE,
- PIC16C54_MISC_SND_MUTE,PIC16C54_MISC_SND_MUTE,
- PIC16C54_MISC_SND_NOTMUTE},
+ PIC16C54_MISC_SND_MUTE},
.inputmute = PIC16C54_MISC_SND_MUTE,
},
{
.name = "ta8874z",
- .id = -1,
- /*.id = I2C_DRIVERID_TA8874Z, */
.checkit = ta8874z_checkit,
.insmodopt = &ta8874z,
- .addr_lo = I2C_TDA9840 >> 1,
- .addr_hi = I2C_TDA9840 >> 1,
+ .addr_lo = I2C_ADDR_TDA9840 >> 1,
+ .addr_hi = I2C_ADDR_TDA9840 >> 1,
.registers = 2,
+ .flags = CHIP_NEED_CHECKMODE,
+ /* callbacks */
.getmode = ta8874z_getmode,
.setmode = ta8874z_setmode,
- .checkmode = generic_checkmode,
.init = {2, { TA8874Z_MONO_SET, TA8874Z_SEPARATION_DEFAULT}},
},
/* ---------------------------------------------------------------------- */
-/* i2c registration */
-static int chip_attach(struct i2c_adapter *adap, int addr, int kind)
+static int tvaudio_g_ctrl(struct v4l2_subdev *sd,
+ struct v4l2_control *ctrl)
{
- struct CHIPSTATE *chip;
- struct CHIPDESC *desc;
+ struct CHIPSTATE *chip = to_state(sd);
+ struct CHIPDESC *desc = chip->desc;
- chip = kmalloc(sizeof(*chip),GFP_KERNEL);
- if (!chip)
- return -ENOMEM;
- memset(chip,0,sizeof(*chip));
- memcpy(&chip->c,&client_template,sizeof(struct i2c_client));
- chip->c.adapter = adap;
- chip->c.addr = addr;
- i2c_set_clientdata(&chip->c, chip);
-
- /* find description for the chip */
- tvaudio_dbg("chip found @ 0x%x\n", addr<<1);
- for (desc = chiplist; desc->name != NULL; desc++) {
- if (0 == *(desc->insmodopt))
- continue;
- if (addr < desc->addr_lo ||
- addr > desc->addr_hi)
- continue;
- if (desc->checkit && !desc->checkit(chip))
- continue;
- break;
- }
- if (desc->name == NULL) {
- tvaudio_dbg("no matching chip description found\n");
- return -EIO;
+ switch (ctrl->id) {
+ case V4L2_CID_AUDIO_MUTE:
+ if (!(desc->flags & CHIP_HAS_INPUTSEL))
+ break;
+ ctrl->value=chip->muted;
+ return 0;
+ case V4L2_CID_AUDIO_VOLUME:
+ if (!(desc->flags & CHIP_HAS_VOLUME))
+ break;
+ ctrl->value = max(chip->left,chip->right);
+ return 0;
+ case V4L2_CID_AUDIO_BALANCE:
+ {
+ int volume;
+ if (!(desc->flags & CHIP_HAS_VOLUME))
+ break;
+ volume = max(chip->left,chip->right);
+ if (volume)
+ ctrl->value=(32768*min(chip->left,chip->right))/volume;
+ else
+ ctrl->value=32768;
+ return 0;
}
- tvaudio_info("%s found @ 0x%x (%s)\n", desc->name, addr<<1, adap->name);
- if (desc->flags) {
- tvaudio_dbg("matches:%s%s%s.\n",
- (desc->flags & CHIP_HAS_VOLUME) ? " volume" : "",
- (desc->flags & CHIP_HAS_BASSTREBLE) ? " bass/treble" : "",
- (desc->flags & CHIP_HAS_INPUTSEL) ? " audiomux" : "");
+ case V4L2_CID_AUDIO_BASS:
+ if (!(desc->flags & CHIP_HAS_BASSTREBLE))
+ break;
+ ctrl->value = chip->bass;
+ return 0;
+ case V4L2_CID_AUDIO_TREBLE:
+ if (!(desc->flags & CHIP_HAS_BASSTREBLE))
+ break;
+ ctrl->value = chip->treble;
+ return 0;
}
+ return -EINVAL;
+}
- /* fill required data structures */
- strcpy(chip->c.name, desc->name);
- chip->type = desc-chiplist;
- chip->shadow.count = desc->registers+1;
- chip->prevmode = -1;
- /* register */
- i2c_attach_client(&chip->c);
+static int tvaudio_s_ctrl(struct v4l2_subdev *sd,
+ struct v4l2_control *ctrl)
+{
+ struct CHIPSTATE *chip = to_state(sd);
+ struct CHIPDESC *desc = chip->desc;
- /* initialization */
- if (desc->initialize != NULL)
- desc->initialize(chip);
- else
- chip_cmd(chip,"init",&desc->init);
+ switch (ctrl->id) {
+ case V4L2_CID_AUDIO_MUTE:
+ if (!(desc->flags & CHIP_HAS_INPUTSEL))
+ break;
+
+ if (ctrl->value < 0 || ctrl->value >= 2)
+ return -ERANGE;
+ chip->muted = ctrl->value;
+ if (chip->muted)
+ chip_write_masked(chip,desc->inputreg,desc->inputmute,desc->inputmask);
+ else
+ chip_write_masked(chip,desc->inputreg,
+ desc->inputmap[chip->input],desc->inputmask);
+ return 0;
+ case V4L2_CID_AUDIO_VOLUME:
+ {
+ int volume,balance;
+
+ if (!(desc->flags & CHIP_HAS_VOLUME))
+ break;
+
+ volume = max(chip->left,chip->right);
+ if (volume)
+ balance=(32768*min(chip->left,chip->right))/volume;
+ else
+ balance=32768;
+
+ volume=ctrl->value;
+ chip->left = (min(65536 - balance,32768) * volume) / 32768;
+ chip->right = (min(balance,volume *(__u16)32768)) / 32768;
- if (desc->flags & CHIP_HAS_VOLUME) {
- chip->left = desc->leftinit ? desc->leftinit : 65535;
- chip->right = desc->rightinit ? desc->rightinit : 65535;
chip_write(chip,desc->leftreg,desc->volfunc(chip->left));
chip_write(chip,desc->rightreg,desc->volfunc(chip->right));
+
+ return 0;
}
- if (desc->flags & CHIP_HAS_BASSTREBLE) {
- chip->treble = desc->trebleinit ? desc->trebleinit : 32768;
- chip->bass = desc->bassinit ? desc->bassinit : 32768;
+ case V4L2_CID_AUDIO_BALANCE:
+ {
+ int volume, balance;
+ if (!(desc->flags & CHIP_HAS_VOLUME))
+ break;
+
+ volume = max(chip->left,chip->right);
+ balance = ctrl->value;
+
+ chip_write(chip,desc->leftreg,desc->volfunc(chip->left));
+ chip_write(chip,desc->rightreg,desc->volfunc(chip->right));
+
+ return 0;
+ }
+ case V4L2_CID_AUDIO_BASS:
+ if (!(desc->flags & CHIP_HAS_BASSTREBLE))
+ break;
+ chip->bass = ctrl->value;
chip_write(chip,desc->bassreg,desc->bassfunc(chip->bass));
+
+ return 0;
+ case V4L2_CID_AUDIO_TREBLE:
+ if (!(desc->flags & CHIP_HAS_BASSTREBLE))
+ break;
+ chip->treble = ctrl->value;
chip_write(chip,desc->treblereg,desc->treblefunc(chip->treble));
- }
- chip->tpid = -1;
- if (desc->checkmode) {
- /* start async thread */
- init_timer(&chip->wt);
- chip->wt.function = chip_thread_wake;
- chip->wt.data = (unsigned long)chip;
- init_waitqueue_head(&chip->wq);
- init_completion(&chip->texit);
- chip->tpid = kernel_thread(chip_thread,(void *)chip,0);
- if (chip->tpid < 0)
- tvaudio_warn("%s: kernel_thread() failed\n",
- chip->c.name);
- wake_up_interruptible(&chip->wq);
+ return 0;
}
- return 0;
+ return -EINVAL;
}
-static int chip_probe(struct i2c_adapter *adap)
+
+/* ---------------------------------------------------------------------- */
+/* video4linux interface */
+
+static int tvaudio_s_radio(struct v4l2_subdev *sd)
{
- /* don't attach on saa7146 based cards,
- because dedicated drivers are used */
- if ((adap->id == I2C_HW_SAA7146))
- return 0;
- if (adap->class & I2C_CLASS_TV_ANALOG)
- return i2c_probe(adap, &addr_data, chip_attach);
+ struct CHIPSTATE *chip = to_state(sd);
+
+ chip->radio = 1;
+ chip->watch_stereo = 0;
+ /* del_timer(&chip->wt); */
return 0;
}
-static int chip_detach(struct i2c_client *client)
+static int tvaudio_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc)
{
- struct CHIPSTATE *chip = i2c_get_clientdata(client);
+ struct CHIPSTATE *chip = to_state(sd);
+ struct CHIPDESC *desc = chip->desc;
- del_timer_sync(&chip->wt);
- if (chip->tpid >= 0) {
- /* shutdown async thread */
- chip->done = 1;
- wake_up_interruptible(&chip->wq);
- wait_for_completion(&chip->texit);
+ switch (qc->id) {
+ case V4L2_CID_AUDIO_MUTE:
+ if (desc->flags & CHIP_HAS_INPUTSEL)
+ return v4l2_ctrl_query_fill(qc, 0, 1, 1, 0);
+ break;
+ case V4L2_CID_AUDIO_VOLUME:
+ if (desc->flags & CHIP_HAS_VOLUME)
+ return v4l2_ctrl_query_fill(qc, 0, 65535, 65535 / 100, 58880);
+ break;
+ case V4L2_CID_AUDIO_BALANCE:
+ if (desc->flags & CHIP_HAS_VOLUME)
+ return v4l2_ctrl_query_fill(qc, 0, 65535, 65535 / 100, 32768);
+ break;
+ case V4L2_CID_AUDIO_BASS:
+ case V4L2_CID_AUDIO_TREBLE:
+ if (desc->flags & CHIP_HAS_BASSTREBLE)
+ return v4l2_ctrl_query_fill(qc, 0, 65535, 65535 / 100, 32768);
+ break;
+ default:
+ break;
}
+ return -EINVAL;
+}
- i2c_detach_client(&chip->c);
- kfree(chip);
+static int tvaudio_s_routing(struct v4l2_subdev *sd,
+ u32 input, u32 output, u32 config)
+{
+ struct CHIPSTATE *chip = to_state(sd);
+ struct CHIPDESC *desc = chip->desc;
+
+ if (!(desc->flags & CHIP_HAS_INPUTSEL))
+ return 0;
+ if (input >= 4)
+ return -EINVAL;
+ /* There are four inputs: tuner, radio, extern and intern. */
+ chip->input = input;
+ if (chip->muted)
+ return 0;
+ chip_write_masked(chip, desc->inputreg,
+ desc->inputmap[chip->input], desc->inputmask);
return 0;
}
-/* ---------------------------------------------------------------------- */
-/* video4linux interface */
-
-static int chip_command(struct i2c_client *client,
- unsigned int cmd, void *arg)
+static int tvaudio_s_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
{
- __u16 *sarg = arg;
- struct CHIPSTATE *chip = i2c_get_clientdata(client);
- struct CHIPDESC *desc = chiplist + chip->type;
-
- tvaudio_dbg("%s: chip_command 0x%x\n", chip->c.name, cmd);
-
- switch (cmd) {
- case AUDC_SET_INPUT:
- if (desc->flags & CHIP_HAS_INPUTSEL) {
- if (*sarg & 0x80)
- chip_write_masked(chip,desc->inputreg,desc->inputmute,desc->inputmask);
- else
- chip_write_masked(chip,desc->inputreg,desc->inputmap[*sarg],desc->inputmask);
- }
- break;
+ struct CHIPSTATE *chip = to_state(sd);
+ struct CHIPDESC *desc = chip->desc;
+ int mode = 0;
- case AUDC_SET_RADIO:
- chip->radio = 1;
- chip->watch_stereo = 0;
- /* del_timer(&chip->wt); */
- break;
+ if (!desc->setmode)
+ return 0;
+ if (chip->radio)
+ return 0;
- /* --- v4l ioctls --- */
- /* take care: bttv does userspace copying, we'll get a
- kernel pointer here... */
- case VIDIOCGAUDIO:
- {
- struct video_audio *va = arg;
-
- if (desc->flags & CHIP_HAS_VOLUME) {
- va->flags |= VIDEO_AUDIO_VOLUME;
- va->volume = max(chip->left,chip->right);
- if (va->volume)
- va->balance = (32768*min(chip->left,chip->right))/
- va->volume;
- else
- va->balance = 32768;
- }
- if (desc->flags & CHIP_HAS_BASSTREBLE) {
- va->flags |= VIDEO_AUDIO_BASS | VIDEO_AUDIO_TREBLE;
- va->bass = chip->bass;
- va->treble = chip->treble;
- }
- if (!chip->radio) {
- if (desc->getmode)
- va->mode = desc->getmode(chip);
- else
- va->mode = VIDEO_SOUND_MONO;
- }
+ switch (vt->audmode) {
+ case V4L2_TUNER_MODE_MONO:
+ case V4L2_TUNER_MODE_STEREO:
+ case V4L2_TUNER_MODE_LANG1:
+ case V4L2_TUNER_MODE_LANG2:
+ mode = vt->audmode;
break;
- }
-
- case VIDIOCSAUDIO:
- {
- struct video_audio *va = arg;
-
- if (desc->flags & CHIP_HAS_VOLUME) {
- chip->left = (min(65536 - va->balance,32768) *
- va->volume) / 32768;
- chip->right = (min(va->balance,(__u16)32768) *
- va->volume) / 32768;
- chip_write(chip,desc->leftreg,desc->volfunc(chip->left));
- chip_write(chip,desc->rightreg,desc->volfunc(chip->right));
- }
- if (desc->flags & CHIP_HAS_BASSTREBLE) {
- chip->bass = va->bass;
- chip->treble = va->treble;
- chip_write(chip,desc->bassreg,desc->bassfunc(chip->bass));
- chip_write(chip,desc->treblereg,desc->treblefunc(chip->treble));
- }
- if (desc->setmode && va->mode) {
- chip->watch_stereo = 0;
- /* del_timer(&chip->wt); */
- chip->mode = va->mode;
- desc->setmode(chip,va->mode);
- }
+ case V4L2_TUNER_MODE_LANG1_LANG2:
+ mode = V4L2_TUNER_MODE_STEREO;
break;
+ default:
+ return -EINVAL;
}
+ chip->audmode = vt->audmode;
- case VIDIOC_S_TUNER:
- {
- struct v4l2_tuner *vt = arg;
- int mode = 0;
+ if (mode) {
+ chip->watch_stereo = 0;
+ /* del_timer(&chip->wt); */
+ chip->mode = mode;
+ desc->setmode(chip, mode);
+ }
+ return 0;
+}
- switch (vt->audmode) {
- case V4L2_TUNER_MODE_MONO:
- mode = VIDEO_SOUND_MONO;
- break;
- case V4L2_TUNER_MODE_STEREO:
- mode = VIDEO_SOUND_STEREO;
- break;
- case V4L2_TUNER_MODE_LANG1:
- mode = VIDEO_SOUND_LANG1;
- break;
- case V4L2_TUNER_MODE_LANG2:
- mode = VIDEO_SOUND_LANG2;
- break;
- default:
- break;
- }
+static int tvaudio_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
+{
+ struct CHIPSTATE *chip = to_state(sd);
+ struct CHIPDESC *desc = chip->desc;
+ int mode = V4L2_TUNER_MODE_MONO;
- if (desc->setmode && mode) {
- chip->watch_stereo = 0;
- /* del_timer(&chip->wt); */
- chip->mode = mode;
- desc->setmode(chip, mode);
- }
- break;
- }
+ if (!desc->getmode)
+ return 0;
+ if (chip->radio)
+ return 0;
- case VIDIOC_G_TUNER:
- {
- struct v4l2_tuner *vt = arg;
- int mode = VIDEO_SOUND_MONO;
-
- vt->audmode = 0;
- vt->rxsubchans = 0;
- vt->capability = V4L2_TUNER_CAP_STEREO |
- V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2;
- if (chip->radio)
- break;
+ vt->audmode = chip->audmode;
+ vt->rxsubchans = 0;
+ vt->capability = V4L2_TUNER_CAP_STEREO |
+ V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2;
+
+ mode = desc->getmode(chip);
+
+ if (mode & V4L2_TUNER_MODE_MONO)
+ vt->rxsubchans |= V4L2_TUNER_SUB_MONO;
+ if (mode & V4L2_TUNER_MODE_STEREO)
+ vt->rxsubchans |= V4L2_TUNER_SUB_STEREO;
+ /* Note: for SAP it should be mono/lang2 or stereo/lang2.
+ When this module is converted fully to v4l2, then this
+ should change for those chips that can detect SAP. */
+ if (mode & V4L2_TUNER_MODE_LANG1)
+ vt->rxsubchans = V4L2_TUNER_SUB_LANG1 |
+ V4L2_TUNER_SUB_LANG2;
+ return 0;
+}
- if (desc->getmode)
- mode = desc->getmode(chip);
-
- if (mode & VIDEO_SOUND_MONO)
- vt->rxsubchans |= V4L2_TUNER_SUB_MONO;
- if (mode & VIDEO_SOUND_STEREO)
- vt->rxsubchans |= V4L2_TUNER_SUB_STEREO;
- if (mode & VIDEO_SOUND_LANG1)
- vt->rxsubchans |= V4L2_TUNER_SUB_LANG1 |
- V4L2_TUNER_SUB_LANG2;
-
- mode = chip->mode;
- if (mode & VIDEO_SOUND_MONO)
- vt->audmode = V4L2_TUNER_MODE_MONO;
- if (mode & VIDEO_SOUND_STEREO)
- vt->audmode = V4L2_TUNER_MODE_STEREO;
- if (mode & VIDEO_SOUND_LANG1)
- vt->audmode = V4L2_TUNER_MODE_LANG1;
- if (mode & VIDEO_SOUND_LANG2)
- vt->audmode = V4L2_TUNER_MODE_LANG2;
- break;
- }
+static int tvaudio_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
+{
+ struct CHIPSTATE *chip = to_state(sd);
- case VIDIOCSCHAN:
- case VIDIOC_S_STD:
- chip->radio = 0;
- break;
+ chip->radio = 0;
+ return 0;
+}
- case VIDIOCSFREQ:
- case VIDIOC_S_FREQUENCY:
- chip->mode = 0; /* automatic */
- if (desc->checkmode) {
- desc->setmode(chip,VIDEO_SOUND_MONO);
- if (chip->prevmode != VIDEO_SOUND_MONO)
- chip->prevmode = -1; /* reset previous mode */
- mod_timer(&chip->wt, jiffies+2*HZ);
- /* the thread will call checkmode() later */
- }
- break;
+static int tvaudio_s_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *freq)
+{
+ struct CHIPSTATE *chip = to_state(sd);
+ struct CHIPDESC *desc = chip->desc;
+
+ chip->mode = 0; /* automatic */
+
+ /* For chips that provide getmode and setmode, and doesn't
+ automatically follows the stereo carrier, a kthread is
+ created to set the audio standard. In this case, when then
+ the video channel is changed, tvaudio starts on MONO mode.
+ After waiting for 2 seconds, the kernel thread is called,
+ to follow whatever audio standard is pointed by the
+ audio carrier.
+ */
+ if (chip->thread) {
+ desc->setmode(chip, V4L2_TUNER_MODE_MONO);
+ if (chip->prevmode != V4L2_TUNER_MODE_MONO)
+ chip->prevmode = -1; /* reset previous mode */
+ mod_timer(&chip->wt, jiffies+msecs_to_jiffies(2000));
}
return 0;
}
+static int tvaudio_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
-static struct i2c_driver driver = {
- .driver = {
- .name = "generic i2c audio driver",
- },
- .id = I2C_DRIVERID_TVAUDIO,
- .attach_adapter = chip_probe,
- .detach_client = chip_detach,
- .command = chip_command,
+ return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_TVAUDIO, 0);
+}
+
+/* ----------------------------------------------------------------------- */
+
+static const struct v4l2_subdev_core_ops tvaudio_core_ops = {
+ .g_chip_ident = tvaudio_g_chip_ident,
+ .queryctrl = tvaudio_queryctrl,
+ .g_ctrl = tvaudio_g_ctrl,
+ .s_ctrl = tvaudio_s_ctrl,
+ .s_std = tvaudio_s_std,
};
-static struct i2c_client client_template =
-{
- .name = "(unset)",
- .driver = &driver,
+static const struct v4l2_subdev_tuner_ops tvaudio_tuner_ops = {
+ .s_radio = tvaudio_s_radio,
+ .s_frequency = tvaudio_s_frequency,
+ .s_tuner = tvaudio_s_tuner,
+ .g_tuner = tvaudio_g_tuner,
+};
+
+static const struct v4l2_subdev_audio_ops tvaudio_audio_ops = {
+ .s_routing = tvaudio_s_routing,
};
-static int __init audiochip_init_module(void)
+static const struct v4l2_subdev_ops tvaudio_ops = {
+ .core = &tvaudio_core_ops,
+ .tuner = &tvaudio_tuner_ops,
+ .audio = &tvaudio_audio_ops,
+};
+
+/* ----------------------------------------------------------------------- */
+
+
+/* i2c registration */
+
+static int tvaudio_probe(struct i2c_client *client, const struct i2c_device_id *id)
{
+ struct CHIPSTATE *chip;
struct CHIPDESC *desc;
+ struct v4l2_subdev *sd;
if (debug) {
printk(KERN_INFO "tvaudio: TV audio decoder + audio/video mux driver\n");
printk("\n");
}
- return i2c_add_driver(&driver);
+ chip = kzalloc(sizeof(*chip), GFP_KERNEL);
+ if (!chip)
+ return -ENOMEM;
+ sd = &chip->sd;
+ v4l2_i2c_subdev_init(sd, client, &tvaudio_ops);
+
+ /* find description for the chip */
+ v4l2_dbg(1, debug, sd, "chip found @ 0x%x\n", client->addr<<1);
+ for (desc = chiplist; desc->name != NULL; desc++) {
+ if (0 == *(desc->insmodopt))
+ continue;
+ if (client->addr < desc->addr_lo ||
+ client->addr > desc->addr_hi)
+ continue;
+ if (desc->checkit && !desc->checkit(chip))
+ continue;
+ break;
+ }
+ if (desc->name == NULL) {
+ v4l2_dbg(1, debug, sd, "no matching chip description found\n");
+ kfree(chip);
+ return -EIO;
+ }
+ v4l2_info(sd, "%s found @ 0x%x (%s)\n", desc->name, client->addr<<1, client->adapter->name);
+ if (desc->flags) {
+ v4l2_dbg(1, debug, sd, "matches:%s%s%s.\n",
+ (desc->flags & CHIP_HAS_VOLUME) ? " volume" : "",
+ (desc->flags & CHIP_HAS_BASSTREBLE) ? " bass/treble" : "",
+ (desc->flags & CHIP_HAS_INPUTSEL) ? " audiomux" : "");
+ }
+
+ /* fill required data structures */
+ if (!id)
+ strlcpy(client->name, desc->name, I2C_NAME_SIZE);
+ chip->desc = desc;
+ chip->shadow.count = desc->registers+1;
+ chip->prevmode = -1;
+ chip->audmode = V4L2_TUNER_MODE_LANG1;
+
+ /* initialization */
+ if (desc->initialize != NULL)
+ desc->initialize(chip);
+ else
+ chip_cmd(chip, "init", &desc->init);
+
+ if (desc->flags & CHIP_HAS_VOLUME) {
+ if (!desc->volfunc) {
+ /* This shouldn't be happen. Warn user, but keep working
+ without volume controls
+ */
+ v4l2_info(sd, "volume callback undefined!\n");
+ desc->flags &= ~CHIP_HAS_VOLUME;
+ } else {
+ chip->left = desc->leftinit ? desc->leftinit : 65535;
+ chip->right = desc->rightinit ? desc->rightinit : 65535;
+ chip_write(chip, desc->leftreg,
+ desc->volfunc(chip->left));
+ chip_write(chip, desc->rightreg,
+ desc->volfunc(chip->right));
+ }
+ }
+ if (desc->flags & CHIP_HAS_BASSTREBLE) {
+ if (!desc->bassfunc || !desc->treblefunc) {
+ /* This shouldn't be happen. Warn user, but keep working
+ without bass/treble controls
+ */
+ v4l2_info(sd, "bass/treble callbacks undefined!\n");
+ desc->flags &= ~CHIP_HAS_BASSTREBLE;
+ } else {
+ chip->treble = desc->trebleinit ?
+ desc->trebleinit : 32768;
+ chip->bass = desc->bassinit ?
+ desc->bassinit : 32768;
+ chip_write(chip, desc->bassreg,
+ desc->bassfunc(chip->bass));
+ chip_write(chip, desc->treblereg,
+ desc->treblefunc(chip->treble));
+ }
+ }
+
+ chip->thread = NULL;
+ init_timer(&chip->wt);
+ if (desc->flags & CHIP_NEED_CHECKMODE) {
+ if (!desc->getmode || !desc->setmode) {
+ /* This shouldn't be happen. Warn user, but keep working
+ without kthread
+ */
+ v4l2_info(sd, "set/get mode callbacks undefined!\n");
+ return 0;
+ }
+ /* start async thread */
+ chip->wt.function = chip_thread_wake;
+ chip->wt.data = (unsigned long)chip;
+ chip->thread = kthread_run(chip_thread, chip, client->name);
+ if (IS_ERR(chip->thread)) {
+ v4l2_warn(sd, "failed to create kthread\n");
+ chip->thread = NULL;
+ }
+ }
+ return 0;
}
-static void __exit audiochip_cleanup_module(void)
+static int tvaudio_remove(struct i2c_client *client)
{
- i2c_del_driver(&driver);
+ struct v4l2_subdev *sd = i2c_get_clientdata(client);
+ struct CHIPSTATE *chip = to_state(sd);
+
+ del_timer_sync(&chip->wt);
+ if (chip->thread) {
+ /* shutdown async thread */
+ kthread_stop(chip->thread);
+ chip->thread = NULL;
+ }
+
+ v4l2_device_unregister_subdev(sd);
+ kfree(chip);
+ return 0;
}
-module_init(audiochip_init_module);
-module_exit(audiochip_cleanup_module);
+/* This driver supports many devices and the idea is to let the driver
+ detect which device is present. So rather than listing all supported
+ devices here, we pretend to support a single, fake device type. */
+static const struct i2c_device_id tvaudio_id[] = {
+ { "tvaudio", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, tvaudio_id);
-/*
- * Local variables:
- * c-basic-offset: 8
- * End:
- */
+static struct v4l2_i2c_driver_data v4l2_i2c_data = {
+ .name = "tvaudio",
+ .probe = tvaudio_probe,
+ .remove = tvaudio_remove,
+ .id_table = tvaudio_id,
+};
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff