From 18fc59e230bbda9725736f8f526ef88aab212348 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Fri, 9 Sep 2005 13:04:05 -0700 Subject: [PATCH] [PATCH] v4l: TVaudio cleanup and better debug messages - adds the adapter number + i2c address to printk msgs. - Some CodingStyle cleanups. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/media/video/tvaudio.c | 206 ++++++++++++++++++---------------- 1 file changed, 112 insertions(+), 94 deletions(-) diff --git a/drivers/media/video/tvaudio.c b/drivers/media/video/tvaudio.c index 258724b2d6d2..1c31ef52f863 100644 --- a/drivers/media/video/tvaudio.c +++ b/drivers/media/video/tvaudio.c @@ -46,7 +46,17 @@ MODULE_AUTHOR("Eric Sandeen, Steve VanDeBogart, Greg Alexander, Gerd Knorr"); MODULE_LICENSE("GPL"); #define UNSET (-1U) -#define dprintk if (debug) printk + +#define tvaudio_info(fmt, arg...) do {\ + printk(KERN_INFO "tvaudio %d-%04x: " fmt, \ + chip->c.adapter->nr, chip->c.addr , ##arg); } while (0) +#define tvaudio_warn(fmt, arg...) do {\ + printk(KERN_WARNING "tvaudio %d-%04x: " fmt, \ + chip->c.adapter->nr, chip->c.addr , ##arg); } while (0) +#define tvaudio_dbg(fmt, arg...) do {\ + if (debug) \ + printk(KERN_INFO "tvaudio %d-%04x: " fmt, \ + chip->c.adapter->nr, chip->c.addr , ##arg); } while (0) /* ---------------------------------------------------------------------- */ /* our structs */ @@ -162,23 +172,24 @@ static int chip_write(struct CHIPSTATE *chip, int subaddr, int val) unsigned char buffer[2]; if (-1 == subaddr) { - dprintk("%s: chip_write: 0x%x\n", chip->c.name, val); + tvaudio_dbg("%s: chip_write: 0x%x\n", + chip->c.name, 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", - chip->c.name, val); + tvaudio_warn("%s: I/O error (write 0x%x)\n", + chip->c.name, val); return -1; } } else { - dprintk("%s: chip_write: reg%d=0x%x\n", + tvaudio_dbg("%s: chip_write: reg%d=0x%x\n", chip->c.name, 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", - chip->c.name, subaddr, val); + tvaudio_warn("%s: I/O error (write reg%d=0x%x)\n", + chip->c.name, subaddr, val); return -1; } } @@ -202,29 +213,30 @@ static int chip_read(struct CHIPSTATE *chip) unsigned char buffer; if (1 != i2c_master_recv(&chip->c,&buffer,1)) { - printk(KERN_WARNING "%s: I/O error (read)\n", chip->c.name); + tvaudio_warn("%s: I/O error (read)\n", + chip->c.name); return -1; } - dprintk("%s: chip_read: 0x%x\n", chip->c.name, buffer); + tvaudio_dbg("%s: chip_read: 0x%x\n",chip->c.name,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; + 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", chip->c.name); + tvaudio_warn("%s: I/O error (read2)\n", chip->c.name); return -1; } - dprintk("%s: chip_read2: reg%d=0x%x\n", - chip->c.name, subaddr, read[0]); + tvaudio_dbg("%s: chip_read2: reg%d=0x%x\n", + chip->c.name,subaddr,read[0]); return read[0]; } @@ -236,17 +248,19 @@ static int chip_cmd(struct CHIPSTATE *chip, char *name, audiocmd *cmd) return 0; /* update our shadow register set; print bytes if (debug > 0) */ - dprintk("%s: chip_cmd(%s): reg=%d, data:", - chip->c.name, name, cmd->bytes[0]); + tvaudio_dbg("%s: chip_cmd(%s): reg=%d, data:", + chip->c.name,name,cmd->bytes[0]); for (i = 1; i < cmd->count; i++) { - dprintk(" 0x%x",cmd->bytes[i]); + if (debug) + printk(" 0x%x",cmd->bytes[i]); chip->shadow.bytes[i+cmd->bytes[0]] = cmd->bytes[i]; } - dprintk("\n"); + if (debug) + printk("\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", chip->c.name, name); + tvaudio_warn("%s: I/O error (%s)\n", chip->c.name, name); return -1; } return 0; @@ -261,19 +275,19 @@ 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; + struct CHIPSTATE *chip = (struct CHIPSTATE*)data; wake_up_interruptible(&chip->wq); } static int chip_thread(void *data) { DECLARE_WAITQUEUE(wait, current); - struct CHIPSTATE *chip = data; + struct CHIPSTATE *chip = data; struct CHIPDESC *desc = chiplist + chip->type; daemonize("%s", chip->c.name); allow_signal(SIGTERM); - dprintk("%s: thread started\n", chip->c.name); + tvaudio_dbg("%s: thread started\n", chip->c.name); for (;;) { add_wait_queue(&chip->wq, &wait); @@ -285,7 +299,7 @@ static int chip_thread(void *data) try_to_freeze(); if (chip->done || signal_pending(current)) break; - dprintk("%s: thread wakeup\n", chip->c.name); + tvaudio_dbg("%s: thread wakeup\n", chip->c.name); /* don't do anything for radio or if mode != auto */ if (chip->norm == VIDEO_MODE_RADIO || chip->mode != 0) @@ -298,8 +312,8 @@ static int chip_thread(void *data) mod_timer(&chip->wt, jiffies+2*HZ); } - dprintk("%s: thread exiting\n", chip->c.name); - complete_and_exit(&chip->texit, 0); + tvaudio_dbg("%s: thread exiting\n", chip->c.name); + complete_and_exit(&chip->texit, 0); return 0; } @@ -309,9 +323,9 @@ static void generic_checkmode(struct CHIPSTATE *chip) int mode = desc->getmode(chip); if (mode == chip->prevmode) - return; + return; - dprintk("%s: thread checkmode\n", chip->c.name); + tvaudio_dbg("%s: thread checkmode\n", chip->c.name); chip->prevmode = mode; if (mode & VIDEO_SOUND_STEREO) @@ -358,8 +372,8 @@ static int tda9840_getmode(struct CHIPSTATE *chip) if (val & TDA9840_ST_STEREO) mode |= VIDEO_SOUND_STEREO; - dprintk ("tda9840_getmode(): raw chip read: %d, return: %d\n", - val, mode); + tvaudio_dbg ("tda9840_getmode(): raw chip read: %d, return: %d\n", + val, mode); return mode; } @@ -654,8 +668,8 @@ static int tda9873_getmode(struct CHIPSTATE *chip) mode |= VIDEO_SOUND_STEREO; if (val & TDA9873_DUAL) mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2; - dprintk ("tda9873_getmode(): raw chip read: %d, return: %d\n", - val, mode); + tvaudio_dbg ("tda9873_getmode(): raw chip read: %d, return: %d\n", + val, mode); return mode; } @@ -665,12 +679,12 @@ static void tda9873_setmode(struct CHIPSTATE *chip, int mode) /* int adj_data = chip->shadow.bytes[TDA9873_AD+1] ; */ if ((sw_data & TDA9873_INP_MASK) != TDA9873_INTERNAL) { - dprintk("tda9873_setmode(): external input\n"); + tvaudio_dbg("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); + tvaudio_dbg("tda9873_setmode(): chip->shadow.bytes[%d] = %d\n", TDA9873_SW+1, chip->shadow.bytes[TDA9873_SW+1]); + tvaudio_dbg("tda9873_setmode(): sw_data = %d\n", sw_data); switch (mode) { case VIDEO_SOUND_MONO: @@ -691,7 +705,7 @@ 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", + tvaudio_dbg("tda9873_setmode(): req. mode %d; chip_write: %d\n", mode, sw_data); } @@ -828,9 +842,9 @@ 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", + tvaudio_dbg("tda9874a_setup(): %s [0x%02X].\n", tda9874a_modelist[tda9874a_STD].name,tda9874a_STD); return 1; } @@ -873,7 +887,7 @@ static int tda9874a_getmode(struct CHIPSTATE *chip) mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2; } - dprintk("tda9874a_getmode(): DSR=0x%X, NSR=0x%X, NECR=0x%X, return: %d.\n", + tvaudio_dbg("tda9874a_getmode(): DSR=0x%X, NSR=0x%X, NECR=0x%X, return: %d.\n", dsr, nsr, necr, mode); return mode; } @@ -919,7 +933,7 @@ 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", + tvaudio_dbg("tda9874a_setmode(): req. mode %d; AOSR=0x%X, MDACOSR=0x%X.\n", mode, aosr, mdacosr); } else { /* dic == 0x07 */ @@ -954,7 +968,7 @@ 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", + tvaudio_dbg("tda9874a_setmode(): req. mode %d; FMMR=0x%X, AOSR=0x%X.\n", mode, fmmr, aosr); } } @@ -968,10 +982,10 @@ 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); + tvaudio_dbg("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"); + tvaudio_info("found tda9874%s.\n", (dic == 0x11) ? "a":"h"); tda9874a_dic = dic; /* remember device id. */ return 1; } @@ -1146,7 +1160,7 @@ 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 @@ -1156,21 +1170,22 @@ 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; @@ -1182,7 +1197,7 @@ static int ta8874z_getmode(struct CHIPSTATE *chip) }else if (!(val & TA8874Z_B0)){ mode |= VIDEO_SOUND_STEREO; } - //dprintk ("ta8874z_getmode(): raw chip read: 0x%02x, return: 0x%02x\n", val, mode); + /* tvaudio_dbg ("ta8874z_getmode(): raw chip read: 0x%02x, return: 0x%02x\n", val, mode); */ return mode; } @@ -1195,7 +1210,7 @@ static void ta8874z_setmode(struct CHIPSTATE *chip, int mode) { int update = 1; audiocmd *t = NULL; - dprintk("ta8874z_setmode(): mode: 0x%02x\n", mode); + tvaudio_dbg("ta8874z_setmode(): mode: 0x%02x\n", mode); switch(mode){ case VIDEO_SOUND_MONO: @@ -1235,11 +1250,11 @@ static int tda9850 = 1; static int tda9855 = 1; static int tda9873 = 1; static int tda9874a = 1; -static int tea6300 = 0; // address clash with msp34xx -static int tea6320 = 0; // address clash with msp34xx +static int tea6300 = 0; /* address clash with msp34xx */ +static int tea6320 = 0; /* address clash with msp34xx */ static int tea6420 = 1; static int pic16c54 = 1; -static int ta8874z = 0; // address clash with tda9840 +static int ta8874z = 0; /* address clash with tda9840 */ module_param(tda8425, int, 0444); module_param(tda9840, int, 0444); @@ -1441,7 +1456,7 @@ static struct CHIPDESC chiplist[] = { { .name = "ta8874z", .id = -1, - //.id = I2C_DRIVERID_TA8874Z, + /*.id = I2C_DRIVERID_TA8874Z, */ .checkit = ta8874z_checkit, .insmodopt = &ta8874z, .addr_lo = I2C_TDA9840 >> 1, @@ -1476,7 +1491,7 @@ static int chip_attach(struct i2c_adapter *adap, int addr, int kind) i2c_set_clientdata(&chip->c, chip); /* find description for the chip */ - dprintk("tvaudio: chip found @ i2c-addr=0x%x\n", addr<<1); + tvaudio_dbg("chip found @ 0x%x\n", addr<<1); for (desc = chiplist; desc->name != NULL; desc++) { if (0 == *(desc->insmodopt)) continue; @@ -1488,17 +1503,19 @@ static int chip_attach(struct i2c_adapter *adap, int addr, int kind) break; } if (desc->name == NULL) { - dprintk("tvaudio: no matching chip description found\n"); + tvaudio_dbg("no matching chip description found\n"); 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" : ""); + tvaudio_info("%s found @ 0x%x (%s)\n", desc->name, addr<<1, adap->name); + if (desc->flags) { + tvaudio_dbg("matches:%s%s%s.\n", + (desc->flags & CHIP_HAS_VOLUME) ? " volume" : "", + (desc->flags & CHIP_HAS_BASSTREBLE) ? " bass/treble" : "", + (desc->flags & CHIP_HAS_INPUTSEL) ? " audiomux" : ""); + } /* fill required data structures */ - strcpy(chip->c.name, desc->name); + strcpy(chip->c.name,desc->name); chip->type = desc-chiplist; chip->shadow.count = desc->registers+1; chip->prevmode = -1; @@ -1534,7 +1551,7 @@ static int chip_attach(struct i2c_adapter *adap, int addr, int kind) 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", + tvaudio_warn("%s: kernel_thread() failed\n", chip->c.name); wake_up_interruptible(&chip->wq); } @@ -1545,7 +1562,7 @@ static int chip_probe(struct i2c_adapter *adap) { /* don't attach on saa7146 based cards, because dedicated drivers are used */ - if (adap->id == I2C_HW_SAA7146) + if ((adap->id == I2C_HW_SAA7146)) return 0; #ifdef I2C_CLASS_TV_ANALOG if (adap->class & I2C_CLASS_TV_ANALOG) @@ -1584,11 +1601,11 @@ static int chip_detach(struct i2c_client *client) static int chip_command(struct i2c_client *client, unsigned int cmd, void *arg) { - __u16 *sarg = arg; + __u16 *sarg = arg; struct CHIPSTATE *chip = i2c_get_clientdata(client); struct CHIPDESC *desc = chiplist + chip->type; - dprintk("%s: chip_command 0x%x\n", chip->c.name, cmd); + tvaudio_dbg("%s: chip_command 0x%x\n",chip->c.name,cmd); switch (cmd) { case AUDC_SET_INPUT: @@ -1601,7 +1618,6 @@ static int chip_command(struct i2c_client *client, 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); */ @@ -1609,7 +1625,7 @@ static int chip_command(struct i2c_client *client, /* --- v4l ioctls --- */ /* take care: bttv does userspace copying, we'll get a - kernel pointer here... */ + kernel pointer here... */ case VIDIOCGAUDIO: { struct video_audio *va = arg; @@ -1643,9 +1659,9 @@ static int chip_command(struct i2c_client *client, if (desc->flags & CHIP_HAS_VOLUME) { chip->left = (min(65536 - va->balance,32768) * - va->volume) / 32768; + va->volume) / 32768; chip->right = (min(va->balance,(__u16)32768) * - va->volume) / 32768; + va->volume) / 32768; chip_write(chip,desc->leftreg,desc->volfunc(chip->left)); chip_write(chip,desc->rightreg,desc->volfunc(chip->right)); } @@ -1667,17 +1683,16 @@ static int chip_command(struct i2c_client *client, { struct video_channel *vc = arg; - dprintk(KERN_DEBUG "tvaudio: VIDIOCSCHAN\n"); chip->norm = vc->norm; break; } case VIDIOCSFREQ: { - chip->mode = 0; /* automatic */ + 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 */ + 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 */ } @@ -1689,29 +1704,32 @@ static int chip_command(struct i2c_client *client, 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, + .name = "generic i2c audio driver", + .id = I2C_DRIVERID_TVAUDIO, + .flags = I2C_DF_NOTIFY, + .attach_adapter = chip_probe, + .detach_client = chip_detach, + .command = chip_command, }; static struct i2c_client client_template = { .name = "(unset)", .flags = I2C_CLIENT_ALLOW_USE, - .driver = &driver, + .driver = &driver, }; 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"); + + 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"); + } return i2c_add_driver(&driver); } -- 2.20.1