X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fmedia%2Fvideo%2Ftvaudio.c;h=0869bafc2b56a11821a72c0dce4e56d7da2968a2;hb=8c5f32ac2f8c1b92149b08bba673ccecb7578e57;hp=5430b25b910d566b36887f8972a84a9710c4dd1d;hpb=f5bec39639d386e1893dc440dd536761136ab36b;p=safe%2Fjmp%2Flinux-2.6 diff --git a/drivers/media/video/tvaudio.c b/drivers/media/video/tvaudio.c index 5430b25..0869baf 100644 --- a/drivers/media/video/tvaudio.c +++ b/drivers/media/video/tvaudio.c @@ -1,5 +1,5 @@ /* - * experimental driver for simple i2c audio chips. + * Driver for simple i2c audio chips. * * Copyright (c) 2000 Gerd Knorr * based on code by: @@ -7,6 +7,10 @@ * 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: @@ -14,9 +18,7 @@ * */ -#include #include -#include #include #include #include @@ -24,21 +26,23 @@ #include #include #include -#include +#include #include -#include #include -#include +#include +#include -#include -#include +#include +#include +#include +#include -#include "tvaudio.h" +#include /* ---------------------------------------------------------------------- */ /* 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"); @@ -46,12 +50,11 @@ MODULE_AUTHOR("Eric Sandeen, Steve VanDeBogart, Greg Alexander, Gerd Knorr"); MODULE_LICENSE("GPL"); #define UNSET (-1U) -#define dprintk if (debug) printk /* ---------------------------------------------------------------------- */ /* our structs */ -#define MAXREGS 64 +#define MAXREGS 256 struct CHIPSTATE; typedef int (*getvalue)(int); @@ -59,7 +62,6 @@ typedef int (*checkit)(struct CHIPSTATE*); 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 { @@ -70,7 +72,6 @@ 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 */ @@ -81,6 +82,7 @@ struct CHIPDESC { #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; @@ -98,60 +100,41 @@ struct CHIPDESC { 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 norm; + 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; }; -#define VIDEO_MODE_RADIO 16 /* norm magic for radio mode */ - -/* ---------------------------------------------------------------------- */ -/* 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); +} /* ---------------------------------------------------------------------- */ @@ -159,39 +142,56 @@ static struct i2c_client client_template; 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) { - dprintk("%s: chip_write: 0x%x\n", - i2c_clientname(&chip->c), 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)) { - printk(KERN_WARNING "%s: I/O error (write 0x%x)\n", - i2c_clientname(&chip->c), val); + if (1 != i2c_master_send(c, buffer, 1)) { + v4l2_warn(sd, "I/O error (write 0x%x)\n", val); return -1; } } else { - dprintk("%s: chip_write: reg%d=0x%x\n", - i2c_clientname(&chip->c), 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)) { - printk(KERN_WARNING "%s: I/O error (write reg%d=0x%x)\n", - i2c_clientname(&chip->c), 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); } } @@ -200,56 +200,72 @@ static int chip_write_masked(struct CHIPSTATE *chip, int subaddr, int val, int m 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)) { - printk(KERN_WARNING "%s: I/O error (read)\n", - i2c_clientname(&chip->c)); + if (1 != i2c_master_recv(c, &buffer, 1)) { + v4l2_warn(sd, "I/O error (read)\n"); return -1; } - dprintk("%s: chip_read: 0x%x\n",i2c_clientname(&chip->c),buffer); + v4l2_dbg(1, debug, sd, "chip_read: 0x%x\n", buffer); return buffer; } static int chip_read2(struct CHIPSTATE *chip, int subaddr) { - 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 } - }; - write[0] = subaddr; - - if (2 != i2c_transfer(chip->c.adapter,msgs,2)) { - printk(KERN_WARNING "%s: I/O error (read2)\n", - i2c_clientname(&chip->c)); + 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] = { + { c->addr, 0, 1, write }, + { c->addr, I2C_M_RD, 1, read } + }; + + write[0] = subaddr; + + if (2 != i2c_transfer(c->adapter, msgs, 2)) { + v4l2_warn(sd, "I/O error (read2)\n"); return -1; } - dprintk("%s: chip_read2: reg%d=0x%x\n", - i2c_clientname(&chip->c),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) */ - dprintk("%s: chip_cmd(%s): reg=%d, data:", - i2c_clientname(&chip->c),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++) { - dprintk(" 0x%x",cmd->bytes[i]); + if (debug) + printk(KERN_CONT " 0x%x", cmd->bytes[i]); chip->shadow.bytes[i+cmd->bytes[0]] = cmd->bytes[i]; } - dprintk("\n"); + if (debug) + printk(KERN_CONT "\n"); /* send data to the chip */ - if (cmd->count != i2c_master_send(&chip->c,cmd->bytes,cmd->count)) { - printk(KERN_WARNING "%s: I/O error (%s)\n", i2c_clientname(&chip->c), 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; @@ -264,66 +280,60 @@ static int chip_cmd(struct CHIPSTATE *chip, char *name, audiocmd *cmd) static void chip_thread_wake(unsigned long data) { - struct CHIPSTATE *chip = (struct CHIPSTATE*)data; - wake_up_interruptible(&chip->wq); + struct CHIPSTATE *chip = (struct CHIPSTATE*)data; + 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",i2c_clientname(&chip->c)); - allow_signal(SIGTERM); - dprintk("%s: thread started\n", i2c_clientname(&chip->c)); + struct CHIPSTATE *chip = data; + 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); - if (chip->done || signal_pending(current)) + set_current_state(TASK_RUNNING); + try_to_freeze(); + if (kthread_should_stop()) break; - dprintk("%s: thread wakeup\n", i2c_clientname(&chip->c)); + v4l2_dbg(1, debug, sd, "thread wakeup\n"); /* don't do anything for radio or if mode != auto */ - if (chip->norm == VIDEO_MODE_RADIO || chip->mode != 0) + if (chip->radio || chip->mode != 0) continue; /* have a look what's going on */ - desc->checkmode(chip); + mode = desc->getmode(chip); + if (mode == chip->prevmode) + continue; - /* schedule next check */ - mod_timer(&chip->wt, jiffies+2*HZ); - } + /* chip detected a new audio mode - set it */ + v4l2_dbg(1, debug, sd, "thread checkmode\n"); - dprintk("%s: thread exiting\n", i2c_clientname(&chip->c)); - complete_and_exit(&chip->texit, 0); - return 0; -} - -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); - dprintk("%s: thread checkmode\n", i2c_clientname(&chip->c)); - 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; } /* ---------------------------------------------------------------------- */ @@ -351,17 +361,18 @@ static void generic_checkmode(struct CHIPSTATE *chip) 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; - dprintk ("tda9840_getmode(): raw chip read: %d, return: %d\n", - val, mode); + v4l2_dbg(1, debug, sd, "tda9840_getmode(): raw chip read: %d, return: %d\n", + val, mode); return mode; } @@ -371,16 +382,16 @@ static void tda9840_setmode(struct CHIPSTATE *chip, int 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: @@ -391,6 +402,14 @@ static void tda9840_setmode(struct CHIPSTATE *chip, int mode) 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 */ @@ -446,8 +465,8 @@ static void tda9840_setmode(struct CHIPSTATE *chip, int mode) #define TDA9855_LOUD 1<<5 /* Loudness, 1==off */ #define TDA9855_SUR 1<<3 /* Surround / Subwoofer 1==.5(L-R) 0==.5(L+R) */ /* Bits 0 to 3 select various combinations - * of line in and line out, only the - * interesting ones are defined */ + * of line in and line out, only the + * interesting ones are defined */ #define TDA9855_EXT 1<<2 /* Selects inputs LIR and LIL. Pins 41 & 12 */ #define TDA9855_INT 0 /* Selects inputs LOR and LOL. (internal) */ @@ -503,7 +522,7 @@ static int tda985x_getmode(struct CHIPSTATE *chip) 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) @@ -512,13 +531,13 @@ 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: @@ -648,43 +667,45 @@ 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); - 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; - dprintk ("tda9873_getmode(): raw chip read: %d, return: %d\n", - val, mode); + 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) { - dprintk("tda9873_setmode(): external input\n"); + v4l2_dbg(1, debug, sd, "tda9873_setmode(): external input\n"); return; } - dprintk("tda9873_setmode(): chip->shadow.bytes[%d] = %d\n", TDA9873_SW+1, chip->shadow.bytes[TDA9873_SW+1]); - dprintk("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: @@ -693,7 +714,7 @@ static void tda9873_setmode(struct CHIPSTATE *chip, int mode) } chip_write(chip, TDA9873_SW, sw_data); - dprintk("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); } @@ -780,7 +801,7 @@ static struct tda9874a_MODES { 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 }} }, @@ -794,7 +815,7 @@ static struct tda9874a_MODES { { 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 }} } @@ -802,6 +823,8 @@ 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); @@ -830,19 +853,20 @@ static int tda9874a_setup(struct CHIPSTATE *chip) } else { /* dic == 0x07 */ chip_write(chip, TDA9874A_AMCONR, 0xfb); chip_write(chip, TDA9874A_SDACOSR, (tda9874a_mode) ? 0x81:0x80); - chip_write(chip, TDA9874A_AOSR, 0x00); // or 0x10 + chip_write(chip, TDA9874A_AOSR, 0x00); /* or 0x10 */ } - dprintk("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; @@ -861,35 +885,32 @@ static int tda9874a_getmode(struct CHIPSTATE *chip) * 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 0 - if((nsr & 0x02) && !(dsr & 0x10)) /* NSR.S/MB=1 and DSR.AMSTAT=0 */ - mode |= VIDEO_SOUND_STEREO; -#else if(nsr & 0x02) /* NSR.S/MB=1 */ - mode |= VIDEO_SOUND_STEREO; -#endif + 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; } - dprintk("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 @@ -908,14 +929,14 @@ static void tda9874a_setmode(struct CHIPSTATE *chip, int mode) 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; @@ -926,18 +947,18 @@ static void tda9874a_setmode(struct CHIPSTATE *chip, int mode) chip_write(chip, TDA9874A_AOSR, aosr); chip_write(chip, TDA9874A_MDACOSR, mdacosr); - dprintk("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 */ @@ -946,11 +967,11 @@ static void tda9874a_setmode(struct CHIPSTATE *chip, int mode) 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; @@ -961,13 +982,14 @@ static void tda9874a_setmode(struct CHIPSTATE *chip, int mode) chip_write(chip, TDA9874A_FMMR, fmmr); chip_write(chip, TDA9874A_AOSR, aosr); - dprintk("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))) @@ -975,10 +997,10 @@ static int tda9874a_checkit(struct CHIPSTATE *chip) if(-1 == (sic = chip_read2(chip,TDA9874A_SIC))) return 0; - dprintk("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)) { - printk("tvaudio: 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; } @@ -989,7 +1011,7 @@ static int tda9874a_initialize(struct CHIPSTATE *chip) { 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; @@ -1011,6 +1033,116 @@ static int tda9874a_initialize(struct CHIPSTATE *chip) 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 */ @@ -1021,7 +1153,7 @@ static int tda9874a_initialize(struct CHIPSTATE *chip) #define TEA6300_TR 0x03 /* treble */ #define TEA6300_FA 0x04 /* fader control */ #define TEA6300_S 0x05 /* switch register */ - /* values for those registers: */ + /* values for those registers: */ #define TEA6300_S_SA 0x01 /* stereo A input */ #define TEA6300_S_SB 0x02 /* stereo B */ #define TEA6300_S_SC 0x04 /* stereo C */ @@ -1035,7 +1167,7 @@ static int tda9874a_initialize(struct CHIPSTATE *chip) #define TEA6320_BA 0x05 /* bass (0-4) */ #define TEA6320_TR 0x06 /* treble (0-4) */ #define TEA6320_S 0x07 /* switch register */ - /* values for those registers: */ + /* values for those registers: */ #define TEA6320_S_SA 0x07 /* stereo A input */ #define TEA6320_S_SB 0x06 /* stereo B */ #define TEA6320_S_SC 0x05 /* stereo C */ @@ -1075,7 +1207,7 @@ static int tea6320_initialize(struct CHIPSTATE * chip) #define TDA8425_BA 0x02 /* bass */ #define TDA8425_TR 0x03 /* treble */ #define TDA8425_S1 0x08 /* switch functions */ - /* values for those registers: */ + /* values for those registers: */ #define TDA8425_S1_OFF 0xEE /* audio off (mute on) */ #define TDA8425_S1_CH1 0xCE /* audio channel 1 (mute off) - "linear stereo" mode */ #define TDA8425_S1_CH2 0xCF /* audio channel 2 (mute off) - "linear stereo" mode */ @@ -1097,14 +1229,13 @@ static int tda8425_shift12(int val) { return (val >> 12) | 0xf0; } 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_ALGO_BIT | 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; } @@ -1112,20 +1243,20 @@ static void tda8425_setmode(struct CHIPSTATE *chip, int mode) { 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); @@ -1141,7 +1272,7 @@ static void tda8425_setmode(struct CHIPSTATE *chip, int mode) /* bit definition of the RESET register, I2C data. */ #define PIC16C54_MISC_RESET_REMOTE_CTL 0x01 /* bit 0, Reset to receive the key */ - /* code of remote controller */ + /* code of remote controller */ #define PIC16C54_MISC_MTS_MAIN 0x02 /* bit 1 */ #define PIC16C54_MISC_MTS_SAP 0x04 /* bit 2 */ #define PIC16C54_MISC_MTS_BOTH 0x08 /* bit 3 */ @@ -1153,7 +1284,7 @@ static void tda8425_setmode(struct CHIPSTATE *chip, int mode) /* ---------------------------------------------------------------------- */ /* audio chip descriptions - defines+functions for TA8874Z */ -// write 1st byte +/* write 1st byte */ #define TA8874Z_LED_STE 0x80 #define TA8874Z_LED_BIL 0x40 #define TA8874Z_LED_EXT 0x20 @@ -1163,33 +1294,34 @@ static void tda8425_setmode(struct CHIPSTATE *chip, int mode) #define TA8874Z_MODE_SUB 0x02 #define TA8874Z_MODE_MAIN 0x01 -// write 2nd byte -//#define TA8874Z_TI 0x80 // test mode +/* write 2nd byte */ +/*#define TA8874Z_TI 0x80 */ /* test mode */ #define TA8874Z_SEPARATION 0x3f #define TA8874Z_SEPARATION_DEFAULT 0x10 -// read +/* read */ #define TA8874Z_B1 0x80 #define TA8874Z_B0 0x40 #define TA8874Z_CHAG_FLAG 0x20 -// B1 B0 -// mono L H -// stereo L L -// BIL H L - +/* + * B1 B0 + * mono L H + * stereo L L + * BIL H L + */ static int ta8874z_getmode(struct CHIPSTATE *chip) { 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; } - //dprintk ("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; } @@ -1200,21 +1332,23 @@ 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; - dprintk("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: @@ -1236,17 +1370,18 @@ static int ta8874z_checkit(struct CHIPSTATE *chip) /* audio chip descriptions - struct CHIPDESC */ /* insmod options to enable/disable individual audio chips */ -int tda8425 = 1; -int tda9840 = 1; -int tda9850 = 1; -int tda9855 = 1; -int tda9873 = 1; -int tda9874a = 1; -int tea6300 = 0; // address clash with msp34xx -int tea6320 = 0; // address clash with msp34xx -int tea6420 = 1; -int pic16c54 = 1; -int ta8874z = 0; // address clash with tda9840 +static int tda8425 = 1; +static int tda9840 = 1; +static int tda9850 = 1; +static int tda9855 = 1; +static int tda9873 = 1; +static int tda9874a = 1; +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; /* default 0 - address clash with tda9840 */ module_param(tda8425, int, 0444); module_param(tda9840, int, 0444); @@ -1254,6 +1389,7 @@ module_param(tda9850, 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); @@ -1263,59 +1399,78 @@ module_param(ta8874z, 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 + .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, @@ -1325,10 +1480,9 @@ static struct CHIPDESC chiplist[] = { }, { .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, @@ -1336,10 +1490,11 @@ static struct CHIPDESC chiplist[] = { .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, @@ -1350,10 +1505,9 @@ static struct CHIPDESC chiplist[] = { }, { .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, @@ -1361,6 +1515,8 @@ static struct CHIPDESC chiplist[] = { .rightreg = TEA6300_VL, .bassreg = TEA6300_BA, .treblereg = TEA6300_TR, + + /* callbacks */ .volfunc = tea6300_shift10, .bassfunc = tea6300_shift12, .treblefunc = tea6300_shift12, @@ -1371,11 +1527,9 @@ static struct CHIPDESC chiplist[] = { }, { .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, @@ -1383,6 +1537,9 @@ static struct CHIPDESC chiplist[] = { .rightreg = TEA6320_V, .bassreg = TEA6320_BA, .treblereg = TEA6320_TR, + + /* callbacks */ + .initialize = tea6320_initialize, .volfunc = tea6320_volume, .bassfunc = tea6320_shift11, .treblefunc = tea6320_shift11, @@ -1393,10 +1550,9 @@ static struct CHIPDESC chiplist[] = { }, { .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, @@ -1406,10 +1562,9 @@ static struct CHIPDESC chiplist[] = { }, { .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, @@ -1417,23 +1572,24 @@ static struct CHIPDESC chiplist[] = { .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_PV951, .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, @@ -1441,298 +1597,491 @@ static struct CHIPDESC chiplist[] = { .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}}, + .init = {2, { TA8874Z_MONO_SET, TA8874Z_SEPARATION_DEFAULT}}, }, { .name = NULL } /* EOF */ }; /* ---------------------------------------------------------------------- */ + +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) { + 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; + } + 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; +} + +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) { + 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; + + chip_write(chip,desc->leftreg,desc->volfunc(chip->left)); + chip_write(chip,desc->rightreg,desc->volfunc(chip->right)); + + return 0; + } + 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)); + + return 0; + } + return -EINVAL; +} + + +/* ---------------------------------------------------------------------- */ +/* video4linux interface */ + +static int tvaudio_s_radio(struct v4l2_subdev *sd) +{ + struct CHIPSTATE *chip = to_state(sd); + + 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: + 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; +} + +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; +} + +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 (!desc->setmode) + return 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 (mode) { + chip->watch_stereo = 0; + /* del_timer(&chip->wt); */ + chip->mode = mode; + desc->setmode(chip, mode); + } + 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 (!desc->getmode) + return 0; + 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; + + 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)); + } + 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); + + 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 const struct v4l2_subdev_tuner_ops tvaudio_tuner_ops = { + .s_radio = tvaudio_s_radio, + .s_frequency = tvaudio_s_frequency, + .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 chip_attach(struct i2c_adapter *adap, int addr, int kind) +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 = kmalloc(sizeof(*chip),GFP_KERNEL); + chip = kzalloc(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); + sd = &chip->sd; + v4l2_i2c_subdev_init(sd, client, &tvaudio_ops); /* find description for the chip */ - dprintk("tvaudio: chip found @ i2c-addr=0x%x\n", addr<<1); + 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 (addr < desc->addr_lo || - addr > desc->addr_hi) + if (client->addr < desc->addr_lo || + client->addr > desc->addr_hi) continue; if (desc->checkit && !desc->checkit(chip)) continue; break; } if (desc->name == NULL) { - dprintk("tvaudio: no matching chip description found\n"); + v4l2_dbg(1, debug, sd, "no matching chip description found\n"); + kfree(chip); return -EIO; } - printk("tvaudio: found %s @ 0x%x\n", desc->name, addr<<1); - dprintk("tvaudio: matches:%s%s%s.\n", - (desc->flags & CHIP_HAS_VOLUME) ? " volume" : "", - (desc->flags & CHIP_HAS_BASSTREBLE) ? " bass/treble" : "", - (desc->flags & CHIP_HAS_INPUTSEL) ? " audiomux" : ""); + 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 */ - strcpy(i2c_clientname(&chip->c),desc->name); - chip->type = desc-chiplist; + if (!id) + strlcpy(client->name, desc->name, I2C_NAME_SIZE); + chip->desc = desc; chip->shadow.count = desc->registers+1; - chip->prevmode = -1; - /* register */ - i2c_attach_client(&chip->c); + chip->prevmode = -1; + chip->audmode = V4L2_TUNER_MODE_LANG1; /* initialization */ if (desc->initialize != NULL) desc->initialize(chip); else - chip_cmd(chip,"init",&desc->init); + chip_cmd(chip, "init", &desc->init); 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)); + 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) { - 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)); + 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->tpid = -1; - if (desc->checkmode) { + 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 */ - 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) - printk(KERN_WARNING "%s: kernel_thread() failed\n", - i2c_clientname(&chip->c)); - wake_up_interruptible(&chip->wq); - } - return 0; -} - -static int chip_probe(struct i2c_adapter *adap) -{ - /* don't attach on saa7146 based cards, - because dedicated drivers are used */ - if ((adap->id & I2C_ALGO_SAA7146)) - return 0; -#ifdef I2C_CLASS_TV_ANALOG - if (adap->class & I2C_CLASS_TV_ANALOG) - return i2c_probe(adap, &addr_data, chip_attach); -#else - switch (adap->id) { - case I2C_ALGO_BIT | I2C_HW_B_BT848: - case I2C_ALGO_BIT | I2C_HW_B_RIVA: - case I2C_ALGO_SAA7134: - return i2c_probe(adap, &addr_data, chip_attach); + 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; + } } -#endif return 0; } -static int chip_detach(struct i2c_client *client) +static int tvaudio_remove(struct i2c_client *client) { - struct CHIPSTATE *chip = i2c_get_clientdata(client); + struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct CHIPSTATE *chip = to_state(sd); del_timer_sync(&chip->wt); - if (chip->tpid >= 0) { + if (chip->thread) { /* shutdown async thread */ - chip->done = 1; - wake_up_interruptible(&chip->wq); - wait_for_completion(&chip->texit); + kthread_stop(chip->thread); + chip->thread = NULL; } - i2c_detach_client(&chip->c); + v4l2_device_unregister_subdev(sd); kfree(chip); return 0; } -/* ---------------------------------------------------------------------- */ -/* video4linux interface */ - -static int chip_command(struct i2c_client *client, - unsigned int cmd, void *arg) -{ - __u16 *sarg = arg; - struct CHIPSTATE *chip = i2c_get_clientdata(client); - struct CHIPDESC *desc = chiplist + chip->type; - - dprintk("%s: chip_command 0x%x\n",i2c_clientname(&chip->c),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; - - case AUDC_SET_RADIO: - dprintk(KERN_DEBUG "tvaudio: AUDC_SET_RADIO\n"); - chip->norm = VIDEO_MODE_RADIO; - 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 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->norm != VIDEO_MODE_RADIO) { - if (desc->getmode) - va->mode = desc->getmode(chip); - else - va->mode = VIDEO_SOUND_MONO; - } - 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); - } - break; - } - case VIDIOCSCHAN: - { - struct video_channel *vc = arg; - - dprintk(KERN_DEBUG "tvaudio: VIDIOCSCHAN\n"); - chip->norm = vc->norm; - break; - } - case VIDIOCSFREQ: - { - 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 */ - } - } - } - return 0; -} - - -static struct i2c_driver driver = { - .owner = THIS_MODULE, - .name = "generic i2c audio driver", - .id = I2C_DRIVERID_TVAUDIO, - .flags = I2C_DF_NOTIFY, - .attach_adapter = chip_probe, - .detach_client = chip_detach, - .command = chip_command, +/* 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); -static struct i2c_client client_template = -{ - I2C_DEVNAME("(unset)"), - .flags = I2C_CLIENT_ALLOW_USE, - .driver = &driver, +static struct v4l2_i2c_driver_data v4l2_i2c_data = { + .name = "tvaudio", + .probe = tvaudio_probe, + .remove = tvaudio_remove, + .id_table = tvaudio_id, }; - -static int __init audiochip_init_module(void) -{ - struct CHIPDESC *desc; - 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"); - - return i2c_add_driver(&driver); -} - -static void __exit audiochip_cleanup_module(void) -{ - i2c_del_driver(&driver); -} - -module_init(audiochip_init_module); -module_exit(audiochip_cleanup_module); - -/* - * Local variables: - * c-basic-offset: 8 - * End: - */