diff options
| -rw-r--r-- | drivers/media/video/tvaudio.c | 707 |
1 files changed, 383 insertions, 324 deletions
diff --git a/drivers/media/video/tvaudio.c b/drivers/media/video/tvaudio.c index 3720f0e..d0c794d 100644 --- a/drivers/media/video/tvaudio.c +++ b/drivers/media/video/tvaudio.c @@ -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) { @@ -1726,161 +1619,327 @@ 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"); + chip->radio = 1; + chip->watch_stereo = 0; + /* del_timer(&chip->wt); */ + 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: + break; + case V4L2_CID_AUDIO_VOLUME: + case V4L2_CID_AUDIO_BALANCE: + if (!(desc->flags & CHIP_HAS_VOLUME)) + return -EINVAL; + break; + case V4L2_CID_AUDIO_BASS: + case V4L2_CID_AUDIO_TREBLE: + if (!(desc->flags & CHIP_HAS_BASSTREBLE)) + return -EINVAL; + break; + default: + return -EINVAL; } + return v4l2_ctrl_query_fill_std(qc); +} + +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; - switch (cmd) { - case AUDC_SET_RADIO: - chip->radio = 1; + 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) + return 0; + chip_write_masked(chip, desc->inputreg, + desc->inputmap[chip->input], desc->inputmask); + 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) + return 0; + 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 V4L2_TUNER_MODE_LANG1_LANG2: + mode = V4L2_TUNER_MODE_STEREO; + break; + default: + return -EINVAL; + } + chip->audmode = vt->audmode; + + if (desc->setmode && mode) { 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; - - switch (qc->id) { - case V4L2_CID_AUDIO_MUTE: - break; - case V4L2_CID_AUDIO_VOLUME: - case V4L2_CID_AUDIO_BALANCE: - if (!(desc->flags & CHIP_HAS_VOLUME)) - return -EINVAL; - break; - case V4L2_CID_AUDIO_BASS: - case V4L2_CID_AUDIO_TREBLE: - if (!(desc->flags & CHIP_HAS_BASSTREBLE)) - return -EINVAL; - break; - default: - return -EINVAL; - } - return v4l2_ctrl_query_fill_std(qc); + chip->mode = mode; + desc->setmode(chip, mode); } - case VIDIOC_S_CTRL: - return tvaudio_set_ctrl(chip, arg); + return 0; +} - case VIDIOC_G_CTRL: - return tvaudio_get_ctrl(chip, arg); - case VIDIOC_INT_G_AUDIO_ROUTING: - { - struct v4l2_routing *rt = arg; +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; - rt->input = chip->input; - rt->output = 0; - break; + if (chip->radio) + return 0; + vt->audmode = chip->audmode; + vt->rxsubchans = 0; + vt->capability = V4L2_TUNER_CAP_STEREO | + V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2; + + if (desc->getmode) + 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; +} + +static int tvaudio_s_std(struct v4l2_subdev *sd, v4l2_std_id std) +{ + struct CHIPSTATE *chip = to_state(sd); + + chip->radio = 0; + 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 + 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)); } - case VIDIOC_INT_S_AUDIO_ROUTING: - { - struct v4l2_routing *rt = arg; + return 0; +} - 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; - chip_write_masked(chip, desc->inputreg, - desc->inputmap[chip->input], desc->inputmask); - break; +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"); } - case VIDIOC_S_TUNER: - { - struct v4l2_tuner *vt = arg; - int mode = 0; - if (chip->radio) - break; - 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 V4L2_TUNER_MODE_LANG1_LANG2: - mode = V4L2_TUNER_MODE_STEREO; - break; - default: - return -EINVAL; - } - chip->audmode = vt->audmode; + chip = kzalloc(sizeof(*chip), GFP_KERNEL); + if (!chip) + return -ENOMEM; + sd = &chip->sd; + v4l2_i2c_subdev_init(sd, client, &tvaudio_ops); - if (desc->setmode && mode) { - chip->watch_stereo = 0; - /* del_timer(&chip->wt); */ - chip->mode = mode; - desc->setmode(chip, mode); - } + /* 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; } - case VIDIOC_G_TUNER: - { - struct v4l2_tuner *vt = arg; - int mode = V4L2_TUNER_MODE_MONO; + 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" : ""); + } - 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; + /* 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; - if (desc->getmode) - mode = desc->getmode(chip); + /* initialization */ + if (desc->initialize != NULL) + desc->initialize(chip); + else + chip_cmd(chip, "init", &desc->init); - 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; - break; + 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)); + } } - case VIDIOC_S_STD: - chip->radio = 0; - break; - case VIDIOC_S_FREQUENCY: - 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)); + 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)); } - break; + } - case VIDIOC_G_CHIP_IDENT: - return v4l2_chip_ident_i2c_client(client, arg, V4L2_IDENT_TVAUDIO, 0); + 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, }; |
