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V4L/DVB (9959): tvaudio: convert to v4l2_subdev. 

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil 2008-12-18 12:11:32 -03:00 committed by Mauro Carvalho Chehab
parent 6b8fe02557
commit 64f70e7e30
1 changed files with 399 additions and 340 deletions
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563
drivers/media/video/tvaudio.c
View File

@ -33,8 +33,7 @@
#include <linux/freezer.h>
#include <media/tvaudio.h>
#include <media/v4l2-common.h>
#include <media/v4l2-ioctl.h>
#include <media/v4l2-device.h>
#include <media/v4l2-chip-ident.h>
#include <media/v4l2-i2c-drv-legacy.h>
@ -110,7 +109,7 @@ struct CHIPDESC {
/* current state of the chip */
struct CHIPSTATE {
struct i2c_client *c;
struct v4l2_subdev sd;
/* chip-specific description - should point to
an entry at CHIPDESC table */
@ -132,6 +131,11 @@ struct CHIPSTATE {
int audmode;
};
static inline struct CHIPSTATE *to_state(struct v4l2_subdev *sd)
{
return container_of(sd, struct CHIPSTATE, sd);
}
/* ---------------------------------------------------------------------- */
/* i2c addresses */
@ -152,34 +156,34 @@ I2C_CLIENT_INSMOD;
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 (subaddr < 0) {
v4l_dbg(1, debug, chip->c, "%s: chip_write: 0x%x\n",
chip->c->name, val);
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)) {
v4l_warn(chip->c, "%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 {
if (subaddr + 1 >= ARRAY_SIZE(chip->shadow.bytes)) {
v4l_info(chip->c,
v4l2_info(sd,
"Tried to access a non-existent register: %d\n",
subaddr);
return -EINVAL;
}
v4l_dbg(1, debug, chip->c, "%s: chip_write: reg%d=0x%x\n",
chip->c->name, subaddr, val);
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)) {
v4l_warn(chip->c, "%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;
}
}
@ -189,12 +193,14 @@ static int chip_write(struct CHIPSTATE *chip, int subaddr, int val)
static int chip_write_masked(struct CHIPSTATE *chip,
int subaddr, int val, int mask)
{
struct v4l2_subdev *sd = &chip->sd;
if (mask != 0) {
if (subaddr < 0) {
val = (chip->shadow.bytes[1] & ~mask) | (val & mask);
} else {
if (subaddr + 1 >= ARRAY_SIZE(chip->shadow.bytes)) {
v4l_info(chip->c,
v4l2_info(sd,
"Tried to access a non-existent register: %d\n",
subaddr);
return -EINVAL;
@ -208,45 +214,51 @@ static int chip_write_masked(struct CHIPSTATE *chip,
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)) {
v4l_warn(chip->c, "%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;
}
v4l_dbg(1, debug, chip->c, "%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)) {
v4l_warn(chip->c, "%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;
}
v4l_dbg(1, debug, chip->c, "%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)) {
v4l_info(chip->c,
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;
@ -255,19 +267,19 @@ static int chip_cmd(struct CHIPSTATE *chip, char *name, audiocmd *cmd)
/* FIXME: it seems that the shadow bytes are wrong bellow !*/
/* update our shadow register set; print bytes if (debug > 0) */
v4l_dbg(1, debug, chip->c, "%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)) {
v4l_warn(chip->c, "%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;
@ -290,9 +302,10 @@ static int chip_thread(void *data)
{
struct CHIPSTATE *chip = data;
struct CHIPDESC *desc = chip->desc;
struct v4l2_subdev *sd = &chip->sd;
int mode;
v4l_dbg(1, debug, chip->c, "%s: thread started\n", chip->c->name);
v4l2_dbg(1, debug, sd, "thread started\n");
set_freezable();
for (;;) {
set_current_state(TASK_INTERRUPTIBLE);
@ -302,7 +315,7 @@ static int chip_thread(void *data)
try_to_freeze();
if (kthread_should_stop())
break;
v4l_dbg(1, debug, chip->c, "%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)
@ -314,8 +327,7 @@ static int chip_thread(void *data)
continue;
/* chip detected a new audio mode - set it */
v4l_dbg(1, debug, chip->c, "%s: thread checkmode\n",
chip->c->name);
v4l2_dbg(1, debug, sd, "thread checkmode\n");
chip->prevmode = mode;
@ -334,7 +346,7 @@ static int chip_thread(void *data)
mod_timer(&chip->wt, jiffies+msecs_to_jiffies(2000));
}
v4l_dbg(1, debug, chip->c, "%s: thread exiting\n", chip->c->name);
v4l2_dbg(1, debug, sd, "thread exiting\n");
return 0;
}
@ -363,6 +375,7 @@ static int chip_thread(void *data)
static int tda9840_getmode(struct CHIPSTATE *chip)
{
struct v4l2_subdev *sd = &chip->sd;
int val, mode;
val = chip_read(chip);
@ -372,7 +385,7 @@ static int tda9840_getmode(struct CHIPSTATE *chip)
if (val & TDA9840_ST_STEREO)
mode |= V4L2_TUNER_MODE_STEREO;
v4l_dbg(1, debug, chip->c, "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;
}
@ -668,6 +681,7 @@ static void tda985x_setmode(struct CHIPSTATE *chip, int mode)
static int tda9873_getmode(struct CHIPSTATE *chip)
{
struct v4l2_subdev *sd = &chip->sd;
int val,mode;
val = chip_read(chip);
@ -676,23 +690,24 @@ static int tda9873_getmode(struct CHIPSTATE *chip)
mode |= V4L2_TUNER_MODE_STEREO;
if (val & TDA9873_DUAL)
mode |= V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2;
v4l_dbg(1, debug, chip->c, "tda9873_getmode(): raw chip read: %d, return: %d\n",
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) {
v4l_dbg(1, debug, chip->c, "tda9873_setmode(): external input\n");
v4l2_dbg(1, debug, sd, "tda9873_setmode(): external input\n");
return;
}
v4l_dbg(1, debug, chip->c, "tda9873_setmode(): chip->shadow.bytes[%d] = %d\n", TDA9873_SW+1, chip->shadow.bytes[TDA9873_SW+1]);
v4l_dbg(1, debug, chip->c, "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 V4L2_TUNER_MODE_MONO:
@ -713,7 +728,7 @@ static void tda9873_setmode(struct CHIPSTATE *chip, int mode)
}
chip_write(chip, TDA9873_SW, sw_data);
v4l_dbg(1, debug, chip->c, "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);
}
@ -822,6 +837,8 @@ static struct tda9874a_MODES {
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);
@ -852,13 +869,14 @@ static int tda9874a_setup(struct CHIPSTATE *chip)
chip_write(chip, TDA9874A_SDACOSR, (tda9874a_mode) ? 0x81:0x80);
chip_write(chip, TDA9874A_AOSR, 0x00); /* or 0x10 */
}
v4l_dbg(1, debug, chip->c, "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 */
@ -895,16 +913,18 @@ static int tda9874a_getmode(struct CHIPSTATE *chip)
mode |= V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2;
}
v4l_dbg(1, debug, chip->c, "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
@ -941,7 +961,7 @@ static void tda9874a_setmode(struct CHIPSTATE *chip, int mode)
chip_write(chip, TDA9874A_AOSR, aosr);
chip_write(chip, TDA9874A_MDACOSR, mdacosr);
v4l_dbg(1, debug, chip->c, "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 */
@ -976,13 +996,14 @@ static void tda9874a_setmode(struct CHIPSTATE *chip, int mode)
chip_write(chip, TDA9874A_FMMR, fmmr);
chip_write(chip, TDA9874A_AOSR, aosr);
v4l_dbg(1, debug, chip->c, "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)))
@ -990,10 +1011,10 @@ static int tda9874a_checkit(struct CHIPSTATE *chip)
if(-1 == (sic = chip_read2(chip,TDA9874A_SIC)))
return 0;
v4l_dbg(1, debug, chip->c, "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)) {
v4l_info(chip->c, "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;
}
@ -1113,12 +1134,12 @@ static int tda8425_shift12(int val) { return (val >> 12) | 0xf0; }
static int tda8425_initialize(struct CHIPSTATE *chip)
{
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;
}
@ -1215,9 +1236,11 @@ static audiocmd ta8874z_sub = {2, { TA8874Z_MODE_SUB, TA8874Z_SEPARATION_DEFAULT
static void ta8874z_setmode(struct CHIPSTATE *chip, int mode)
{
struct v4l2_subdev *sd = &chip->sd;
int update = 1;
audiocmd *t = NULL;
v4l_dbg(1, debug, chip->c, "ta8874z_setmode(): mode: 0x%02x\n", mode);
v4l2_dbg(1, debug, sd, "ta8874z_setmode(): mode: 0x%02x\n", mode);
switch(mode){
case V4L2_TUNER_MODE_MONO:
@ -1479,142 +1502,11 @@ static struct CHIPDESC chiplist[] = {
/* ---------------------------------------------------------------------- */
/* i2c registration */
static int chip_probe(struct i2c_client *client, const struct i2c_device_id *id)
{
struct CHIPSTATE *chip;
struct CHIPDESC *desc;
if (debug) {
printk(KERN_INFO "tvaudio: TV audio decoder + audio/video mux driver\n");
printk(KERN_INFO "tvaudio: known chips: ");
for (desc = chiplist; desc->name != NULL; desc++)
printk("%s%s", (desc == chiplist) ? "" : ", ", desc->name);
printk("\n");
}
chip = kzalloc(sizeof(*chip),GFP_KERNEL);
if (!chip)
return -ENOMEM;
chip->c = client;
i2c_set_clientdata(client, chip);
/* find description for the chip */
v4l_dbg(1, debug, client, "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) {
v4l_dbg(1, debug, client, "no matching chip description found\n");
kfree(chip);
return -EIO;
}
v4l_info(client, "%s found @ 0x%x (%s)\n", desc->name, client->addr<<1, client->adapter->name);
if (desc->flags) {
v4l_dbg(1, debug, client, "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
*/
v4l_info(chip->c, "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
*/
v4l_info(chip->c, "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;
if (desc->flags & CHIP_NEED_CHECKMODE) {
if (!desc->getmode || !desc->setmode) {
/* This shouldn't be happen. Warn user, but keep working
without kthread
*/
v4l_info(chip->c, "set/get mode callbacks undefined!\n");
return 0;
}
/* start async thread */
init_timer(&chip->wt);
chip->wt.function = chip_thread_wake;
chip->wt.data = (unsigned long)chip;
chip->thread = kthread_run(chip_thread, chip, chip->c->name);
if (IS_ERR(chip->thread)) {
v4l_warn(chip->c, "%s: failed to create kthread\n",
chip->c->name);
chip->thread = NULL;
}
}
return 0;
}
static int chip_remove(struct i2c_client *client)
{
struct CHIPSTATE *chip = i2c_get_clientdata(client);
del_timer_sync(&chip->wt);
if (chip->thread) {
/* shutdown async thread */
kthread_stop(chip->thread);
chip->thread = NULL;
}
kfree(chip);
return 0;
}
static int tvaudio_get_ctrl(struct CHIPSTATE *chip,
static int tvaudio_g_ctrl(struct v4l2_subdev *sd,
struct v4l2_control *ctrl)
{
struct CHIPSTATE *chip = to_state(sd);
struct CHIPDESC *desc = chip->desc;
switch (ctrl->id) {
@ -1652,9 +1544,10 @@ static int tvaudio_get_ctrl(struct CHIPSTATE *chip,
return -EINVAL;
}
static int tvaudio_set_ctrl(struct CHIPSTATE *chip,
static int tvaudio_s_ctrl(struct v4l2_subdev *sd,
struct v4l2_control *ctrl)
{
struct CHIPSTATE *chip = to_state(sd);
struct CHIPDESC *desc = chip->desc;
switch (ctrl->id) {
@ -1726,29 +1619,20 @@ static int tvaudio_set_ctrl(struct CHIPSTATE *chip,
/* ---------------------------------------------------------------------- */
/* video4linux interface */
static int chip_command(struct i2c_client *client,
unsigned int cmd, void *arg)
static int tvaudio_s_radio(struct v4l2_subdev *sd)
{
struct CHIPSTATE *chip = i2c_get_clientdata(client);
struct CHIPDESC *desc = chip->desc;
struct CHIPSTATE *chip = to_state(sd);
if (debug > 0) {
v4l_i2c_print_ioctl(chip->c, cmd);
printk("\n");
}
switch (cmd) {
case AUDC_SET_RADIO:
chip->radio = 1;
chip->watch_stereo = 0;
/* del_timer(&chip->wt); */
break;
/* --- v4l ioctls --- */
/* take care: bttv does userspace copying, we'll get a
kernel pointer here... */
case VIDIOC_QUERYCTRL:
{
struct v4l2_queryctrl *qc = arg;
return 0;
}
static int tvaudio_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc)
{
struct CHIPSTATE *chip = to_state(sd);
struct CHIPDESC *desc = chip->desc;
switch (qc->id) {
case V4L2_CID_AUDIO_MUTE:
@ -1767,41 +1651,32 @@ static int chip_command(struct i2c_client *client,
return -EINVAL;
}
return v4l2_ctrl_query_fill_std(qc);
}
case VIDIOC_S_CTRL:
return tvaudio_set_ctrl(chip, arg);
}
case VIDIOC_G_CTRL:
return tvaudio_get_ctrl(chip, arg);
case VIDIOC_INT_G_AUDIO_ROUTING:
{
struct v4l2_routing *rt = arg;
rt->input = chip->input;
rt->output = 0;
break;
}
case VIDIOC_INT_S_AUDIO_ROUTING:
{
struct v4l2_routing *rt = arg;
static int tvaudio_s_routing(struct v4l2_subdev *sd, const struct v4l2_routing *rt)
{
struct CHIPSTATE *chip = to_state(sd);
struct CHIPDESC *desc = chip->desc;
if (!(desc->flags & CHIP_HAS_INPUTSEL) || rt->input >= 4)
return -EINVAL;
/* There are four inputs: tuner, radio, extern and intern. */
chip->input = rt->input;
if (chip->muted)
break;
return 0;
chip_write_masked(chip, desc->inputreg,
desc->inputmap[chip->input], desc->inputmask);
break;
}
case VIDIOC_S_TUNER:
{
struct v4l2_tuner *vt = arg;
return 0;
}
static int tvaudio_s_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
{
struct CHIPSTATE *chip = to_state(sd);
struct CHIPDESC *desc = chip->desc;
int mode = 0;
if (chip->radio)
break;
return 0;
switch (vt->audmode) {
case V4L2_TUNER_MODE_MONO:
case V4L2_TUNER_MODE_STEREO:
@ -1823,15 +1698,17 @@ static int chip_command(struct i2c_client *client,
chip->mode = mode;
desc->setmode(chip, mode);
}
break;
}
case VIDIOC_G_TUNER:
{
struct v4l2_tuner *vt = arg;
return 0;
}
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 (chip->radio)
break;
return 0;
vt->audmode = chip->audmode;
vt->rxsubchans = 0;
vt->capability = V4L2_TUNER_CAP_STEREO |
@ -1850,12 +1727,22 @@ static int chip_command(struct i2c_client *client,
if (mode & V4L2_TUNER_MODE_LANG1)
vt->rxsubchans = V4L2_TUNER_SUB_LANG1 |
V4L2_TUNER_SUB_LANG2;
break;
}
case VIDIOC_S_STD:
return 0;
}
static int tvaudio_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
{
struct CHIPSTATE *chip = to_state(sd);
chip->radio = 0;
break;
case VIDIOC_S_FREQUENCY:
return 0;
}
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
@ -1867,20 +1754,192 @@ static int chip_command(struct i2c_client *client,
audio carrier.
*/
if (chip->thread) {
desc->setmode(chip,V4L2_TUNER_MODE_MONO);
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));
}
break;
return 0;
}
case VIDIOC_G_CHIP_IDENT:
return v4l2_chip_ident_i2c_client(client, arg, V4L2_IDENT_TVAUDIO, 0);
static int tvaudio_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_chip_ident *chip)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_TVAUDIO, 0);
}
static int tvaudio_command(struct i2c_client *client, unsigned cmd, void *arg)
{
return v4l2_subdev_command(i2c_get_clientdata(client), cmd, arg);
}
/* ----------------------------------------------------------------------- */
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,
};
static const struct v4l2_subdev_tuner_ops tvaudio_tuner_ops = {
.s_radio = tvaudio_s_radio,
.s_frequency = tvaudio_s_frequency,
.s_std = tvaudio_s_std,
.s_tuner = tvaudio_s_tuner,
.s_tuner = tvaudio_g_tuner,
};
static const struct v4l2_subdev_audio_ops tvaudio_audio_ops = {
.s_routing = tvaudio_s_routing,
};
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(KERN_INFO "tvaudio: known chips: ");
for (desc = chiplist; desc->name != NULL; desc++)
printk("%s%s", (desc == chiplist) ? "" : ", ", desc->name);
printk("\n");
}
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;
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 */
init_timer(&chip->wt);
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 int chip_legacy_probe(struct i2c_adapter *adap)
static int tvaudio_remove(struct i2c_client *client)
{
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;
}
static int tvaudio_legacy_probe(struct i2c_adapter *adap)
{
/* don't attach on saa7146 based cards,
because dedicated drivers are used */
@ -1894,18 +1953,18 @@ static int chip_legacy_probe(struct i2c_adapter *adap)
/* 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 chip_id[] = {
static const struct i2c_device_id tvaudio_id[] = {
{ "tvaudio", 0 },
{ }
};
MODULE_DEVICE_TABLE(i2c, chip_id);
MODULE_DEVICE_TABLE(i2c, tvaudio_id);
static struct v4l2_i2c_driver_data v4l2_i2c_data = {
.name = "tvaudio",
.driverid = I2C_DRIVERID_TVAUDIO,
.command = chip_command,
.probe = chip_probe,
.remove = chip_remove,
.legacy_probe = chip_legacy_probe,
.id_table = chip_id,
.command = tvaudio_command,
.probe = tvaudio_probe,
.remove = tvaudio_remove,
.legacy_probe = tvaudio_legacy_probe,
.id_table = tvaudio_id,
};