2 * experimental driver for simple i2c audio chips.
4 * Copyright (c) 2000 Gerd Knorr
6 * Eric Sandeen (eric_sandeen@bigfoot.com)
7 * Steve VanDeBogart (vandebo@uclink.berkeley.edu)
8 * Greg Alexander (galexand@acm.org)
10 * This code is placed under the terms of the GNU General Public License
13 * debug - set to 1 if you'd like to see debug messages
17 #include <linux/config.h>
18 #include <linux/module.h>
19 #include <linux/moduleparam.h>
20 #include <linux/kernel.h>
21 #include <linux/sched.h>
22 #include <linux/string.h>
23 #include <linux/timer.h>
24 #include <linux/delay.h>
25 #include <linux/errno.h>
26 #include <linux/slab.h>
27 #include <linux/videodev.h>
28 #include <linux/i2c.h>
29 #include <linux/i2c-algo-bit.h>
30 #include <linux/init.h>
31 #include <linux/smp_lock.h>
33 #include <media/tvaudio.h>
34 #include <media/v4l2-common.h>
36 #include <media/i2c-addr.h>
38 /* ---------------------------------------------------------------------- */
41 static int debug = 0; /* insmod parameter */
42 module_param(debug, int, 0644);
44 MODULE_DESCRIPTION("device driver for various i2c TV sound decoder / audiomux chips");
45 MODULE_AUTHOR("Eric Sandeen, Steve VanDeBogart, Greg Alexander, Gerd Knorr");
46 MODULE_LICENSE("GPL");
50 /* ---------------------------------------------------------------------- */
56 typedef int (*getvalue)(int);
57 typedef int (*checkit)(struct CHIPSTATE*);
58 typedef int (*initialize)(struct CHIPSTATE*);
59 typedef int (*getmode)(struct CHIPSTATE*);
60 typedef void (*setmode)(struct CHIPSTATE*, int mode);
61 typedef void (*checkmode)(struct CHIPSTATE*);
64 typedef struct AUDIOCMD {
65 int count; /* # of bytes to send */
66 unsigned char bytes[MAXREGS+1]; /* addr, data, data, ... */
69 /* chip description */
71 char *name; /* chip name */
73 int addr_lo, addr_hi; /* i2c address range */
74 int registers; /* # of registers */
78 initialize initialize;
80 #define CHIP_HAS_VOLUME 1
81 #define CHIP_HAS_BASSTREBLE 2
82 #define CHIP_HAS_INPUTSEL 4
84 /* various i2c command sequences */
87 /* which register has which value */
88 int leftreg,rightreg,treblereg,bassreg;
90 /* initialize with (defaults to 65535/65535/32768/32768 */
91 int leftinit,rightinit,trebleinit,bassinit;
93 /* functions to convert the values (v4l -> chip) */
94 getvalue volfunc,treblefunc,bassfunc;
100 /* check / autoswitch audio after channel switches */
103 /* input switch register + values for v4l inputs */
109 static struct CHIPDESC chiplist[];
111 /* current state of the chip */
115 /* index into CHIPDESC array */
118 /* shadow register set */
121 /* current settings */
122 __u16 left,right,treble,bass,muted,mode;
129 struct completion texit;
130 wait_queue_head_t wq;
131 struct timer_list wt;
137 /* ---------------------------------------------------------------------- */
140 static unsigned short normal_i2c[] = {
141 I2C_ADDR_TDA8425 >> 1,
142 I2C_ADDR_TEA6300 >> 1,
143 I2C_ADDR_TEA6420 >> 1,
144 I2C_ADDR_TDA9840 >> 1,
145 I2C_ADDR_TDA985x_L >> 1,
146 I2C_ADDR_TDA985x_H >> 1,
147 I2C_ADDR_TDA9874 >> 1,
148 I2C_ADDR_PIC16C54 >> 1,
152 static struct i2c_driver driver;
153 static struct i2c_client client_template;
156 /* ---------------------------------------------------------------------- */
157 /* i2c I/O functions */
159 static int chip_write(struct CHIPSTATE *chip, int subaddr, int val)
161 unsigned char buffer[2];
164 v4l_dbg(1, debug, &chip->c, "%s: chip_write: 0x%x\n",
166 chip->shadow.bytes[1] = val;
168 if (1 != i2c_master_send(&chip->c,buffer,1)) {
169 v4l_warn(&chip->c, "%s: I/O error (write 0x%x)\n",
174 v4l_dbg(1, debug, &chip->c, "%s: chip_write: reg%d=0x%x\n",
175 chip->c.name, subaddr, val);
176 chip->shadow.bytes[subaddr+1] = val;
179 if (2 != i2c_master_send(&chip->c,buffer,2)) {
180 v4l_warn(&chip->c, "%s: I/O error (write reg%d=0x%x)\n",
181 chip->c.name, subaddr, val);
188 static int chip_write_masked(struct CHIPSTATE *chip, int subaddr, int val, int mask)
192 val = (chip->shadow.bytes[1] & ~mask) | (val & mask);
194 val = (chip->shadow.bytes[subaddr+1] & ~mask) | (val & mask);
197 return chip_write(chip, subaddr, val);
200 static int chip_read(struct CHIPSTATE *chip)
202 unsigned char buffer;
204 if (1 != i2c_master_recv(&chip->c,&buffer,1)) {
205 v4l_warn(&chip->c, "%s: I/O error (read)\n",
209 v4l_dbg(1, debug, &chip->c, "%s: chip_read: 0x%x\n",chip->c.name, buffer);
213 static int chip_read2(struct CHIPSTATE *chip, int subaddr)
215 unsigned char write[1];
216 unsigned char read[1];
217 struct i2c_msg msgs[2] = {
218 { chip->c.addr, 0, 1, write },
219 { chip->c.addr, I2C_M_RD, 1, read }
223 if (2 != i2c_transfer(chip->c.adapter,msgs,2)) {
224 v4l_warn(&chip->c, "%s: I/O error (read2)\n", chip->c.name);
227 v4l_dbg(1, debug, &chip->c, "%s: chip_read2: reg%d=0x%x\n",
228 chip->c.name, subaddr,read[0]);
232 static int chip_cmd(struct CHIPSTATE *chip, char *name, audiocmd *cmd)
239 /* update our shadow register set; print bytes if (debug > 0) */
240 v4l_dbg(1, debug, &chip->c, "%s: chip_cmd(%s): reg=%d, data:",
241 chip->c.name, name,cmd->bytes[0]);
242 for (i = 1; i < cmd->count; i++) {
244 printk(" 0x%x",cmd->bytes[i]);
245 chip->shadow.bytes[i+cmd->bytes[0]] = cmd->bytes[i];
250 /* send data to the chip */
251 if (cmd->count != i2c_master_send(&chip->c,cmd->bytes,cmd->count)) {
252 v4l_warn(&chip->c, "%s: I/O error (%s)\n", chip->c.name, name);
258 /* ---------------------------------------------------------------------- */
259 /* kernel thread for doing i2c stuff asyncronly
260 * right now it is used only to check the audio mode (mono/stereo/whatever)
261 * some time after switching to another TV channel, then turn on stereo
265 static void chip_thread_wake(unsigned long data)
267 struct CHIPSTATE *chip = (struct CHIPSTATE*)data;
268 wake_up_interruptible(&chip->wq);
271 static int chip_thread(void *data)
273 DECLARE_WAITQUEUE(wait, current);
274 struct CHIPSTATE *chip = data;
275 struct CHIPDESC *desc = chiplist + chip->type;
277 daemonize("%s", chip->c.name);
278 allow_signal(SIGTERM);
279 v4l_dbg(1, debug, &chip->c, "%s: thread started\n", chip->c.name);
282 add_wait_queue(&chip->wq, &wait);
284 set_current_state(TASK_INTERRUPTIBLE);
287 remove_wait_queue(&chip->wq, &wait);
289 if (chip->done || signal_pending(current))
291 v4l_dbg(1, debug, &chip->c, "%s: thread wakeup\n", chip->c.name);
293 /* don't do anything for radio or if mode != auto */
294 if (chip->radio || chip->mode != 0)
297 /* have a look what's going on */
298 desc->checkmode(chip);
300 /* schedule next check */
301 mod_timer(&chip->wt, jiffies+2*HZ);
304 v4l_dbg(1, debug, &chip->c, "%s: thread exiting\n", chip->c.name);
305 complete_and_exit(&chip->texit, 0);
309 static void generic_checkmode(struct CHIPSTATE *chip)
311 struct CHIPDESC *desc = chiplist + chip->type;
312 int mode = desc->getmode(chip);
314 if (mode == chip->prevmode)
317 v4l_dbg(1, debug, &chip->c, "%s: thread checkmode\n", chip->c.name);
318 chip->prevmode = mode;
320 if (mode & VIDEO_SOUND_STEREO)
321 desc->setmode(chip,VIDEO_SOUND_STEREO);
322 else if (mode & VIDEO_SOUND_LANG1)
323 desc->setmode(chip,VIDEO_SOUND_LANG1);
324 else if (mode & VIDEO_SOUND_LANG2)
325 desc->setmode(chip,VIDEO_SOUND_LANG2);
327 desc->setmode(chip,VIDEO_SOUND_MONO);
330 /* ---------------------------------------------------------------------- */
331 /* audio chip descriptions - defines+functions for tda9840 */
333 #define TDA9840_SW 0x00
334 #define TDA9840_LVADJ 0x02
335 #define TDA9840_STADJ 0x03
336 #define TDA9840_TEST 0x04
338 #define TDA9840_MONO 0x10
339 #define TDA9840_STEREO 0x2a
340 #define TDA9840_DUALA 0x12
341 #define TDA9840_DUALB 0x1e
342 #define TDA9840_DUALAB 0x1a
343 #define TDA9840_DUALBA 0x16
344 #define TDA9840_EXTERNAL 0x7a
346 #define TDA9840_DS_DUAL 0x20 /* Dual sound identified */
347 #define TDA9840_ST_STEREO 0x40 /* Stereo sound identified */
348 #define TDA9840_PONRES 0x80 /* Power-on reset detected if = 1 */
350 #define TDA9840_TEST_INT1SN 0x1 /* Integration time 0.5s when set */
351 #define TDA9840_TEST_INTFU 0x02 /* Disables integrator function */
353 static int tda9840_getmode(struct CHIPSTATE *chip)
357 val = chip_read(chip);
358 mode = VIDEO_SOUND_MONO;
359 if (val & TDA9840_DS_DUAL)
360 mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2;
361 if (val & TDA9840_ST_STEREO)
362 mode |= VIDEO_SOUND_STEREO;
364 v4l_dbg(1, debug, &chip->c, "tda9840_getmode(): raw chip read: %d, return: %d\n",
369 static void tda9840_setmode(struct CHIPSTATE *chip, int mode)
372 int t = chip->shadow.bytes[TDA9840_SW + 1] & ~0x7e;
375 case VIDEO_SOUND_MONO:
378 case VIDEO_SOUND_STEREO:
381 case VIDEO_SOUND_LANG1:
384 case VIDEO_SOUND_LANG2:
392 chip_write(chip, TDA9840_SW, t);
395 static int tda9840_checkit(struct CHIPSTATE *chip)
398 rc = chip_read(chip);
399 /* lower 5 bits should be 0 */
400 return ((rc & 0x1f) == 0) ? 1 : 0;
403 /* ---------------------------------------------------------------------- */
404 /* audio chip descriptions - defines+functions for tda985x */
406 /* subaddresses for TDA9855 */
407 #define TDA9855_VR 0x00 /* Volume, right */
408 #define TDA9855_VL 0x01 /* Volume, left */
409 #define TDA9855_BA 0x02 /* Bass */
410 #define TDA9855_TR 0x03 /* Treble */
411 #define TDA9855_SW 0x04 /* Subwoofer - not connected on DTV2000 */
413 /* subaddresses for TDA9850 */
414 #define TDA9850_C4 0x04 /* Control 1 for TDA9850 */
416 /* subaddesses for both chips */
417 #define TDA985x_C5 0x05 /* Control 2 for TDA9850, Control 1 for TDA9855 */
418 #define TDA985x_C6 0x06 /* Control 3 for TDA9850, Control 2 for TDA9855 */
419 #define TDA985x_C7 0x07 /* Control 4 for TDA9850, Control 3 for TDA9855 */
420 #define TDA985x_A1 0x08 /* Alignment 1 for both chips */
421 #define TDA985x_A2 0x09 /* Alignment 2 for both chips */
422 #define TDA985x_A3 0x0a /* Alignment 3 for both chips */
424 /* Masks for bits in TDA9855 subaddresses */
425 /* 0x00 - VR in TDA9855 */
426 /* 0x01 - VL in TDA9855 */
427 /* lower 7 bits control gain from -71dB (0x28) to 16dB (0x7f)
428 * in 1dB steps - mute is 0x27 */
431 /* 0x02 - BA in TDA9855 */
432 /* lower 5 bits control bass gain from -12dB (0x06) to 16.5dB (0x19)
433 * in .5dB steps - 0 is 0x0E */
436 /* 0x03 - TR in TDA9855 */
437 /* 4 bits << 1 control treble gain from -12dB (0x3) to 12dB (0xb)
438 * in 3dB steps - 0 is 0x7 */
440 /* Masks for bits in both chips' subaddresses */
441 /* 0x04 - SW in TDA9855, C4/Control 1 in TDA9850 */
442 /* Unique to TDA9855: */
443 /* 4 bits << 2 control subwoofer/surround gain from -14db (0x1) to 14db (0xf)
444 * in 3dB steps - mute is 0x0 */
446 /* Unique to TDA9850: */
447 /* lower 4 bits control stereo noise threshold, over which stereo turns off
448 * set to values of 0x00 through 0x0f for Ster1 through Ster16 */
451 /* 0x05 - C5 - Control 1 in TDA9855 , Control 2 in TDA9850*/
452 /* Unique to TDA9855: */
453 #define TDA9855_MUTE 1<<7 /* GMU, Mute at outputs */
454 #define TDA9855_AVL 1<<6 /* AVL, Automatic Volume Level */
455 #define TDA9855_LOUD 1<<5 /* Loudness, 1==off */
456 #define TDA9855_SUR 1<<3 /* Surround / Subwoofer 1==.5(L-R) 0==.5(L+R) */
457 /* Bits 0 to 3 select various combinations
458 * of line in and line out, only the
459 * interesting ones are defined */
460 #define TDA9855_EXT 1<<2 /* Selects inputs LIR and LIL. Pins 41 & 12 */
461 #define TDA9855_INT 0 /* Selects inputs LOR and LOL. (internal) */
463 /* Unique to TDA9850: */
464 /* lower 4 bits contol SAP noise threshold, over which SAP turns off
465 * set to values of 0x00 through 0x0f for SAP1 through SAP16 */
468 /* 0x06 - C6 - Control 2 in TDA9855, Control 3 in TDA9850 */
469 /* Common to TDA9855 and TDA9850: */
470 #define TDA985x_SAP 3<<6 /* Selects SAP output, mute if not received */
471 #define TDA985x_STEREO 1<<6 /* Selects Stereo ouput, mono if not received */
472 #define TDA985x_MONO 0 /* Forces Mono output */
473 #define TDA985x_LMU 1<<3 /* Mute (LOR/LOL for 9855, OUTL/OUTR for 9850) */
475 /* Unique to TDA9855: */
476 #define TDA9855_TZCM 1<<5 /* If set, don't mute till zero crossing */
477 #define TDA9855_VZCM 1<<4 /* If set, don't change volume till zero crossing*/
478 #define TDA9855_LINEAR 0 /* Linear Stereo */
479 #define TDA9855_PSEUDO 1 /* Pseudo Stereo */
480 #define TDA9855_SPAT_30 2 /* Spatial Stereo, 30% anti-phase crosstalk */
481 #define TDA9855_SPAT_50 3 /* Spatial Stereo, 52% anti-phase crosstalk */
482 #define TDA9855_E_MONO 7 /* Forced mono - mono select elseware, so useless*/
484 /* 0x07 - C7 - Control 3 in TDA9855, Control 4 in TDA9850 */
485 /* Common to both TDA9855 and TDA9850: */
486 /* lower 4 bits control input gain from -3.5dB (0x0) to 4dB (0xF)
487 * in .5dB steps - 0dB is 0x7 */
489 /* 0x08, 0x09 - A1 and A2 (read/write) */
490 /* Common to both TDA9855 and TDA9850: */
491 /* lower 5 bites are wideband and spectral expander alignment
492 * from 0x00 to 0x1f - nominal at 0x0f and 0x10 (read/write) */
493 #define TDA985x_STP 1<<5 /* Stereo Pilot/detect (read-only) */
494 #define TDA985x_SAPP 1<<6 /* SAP Pilot/detect (read-only) */
495 #define TDA985x_STS 1<<7 /* Stereo trigger 1= <35mV 0= <30mV (write-only)*/
498 /* Common to both TDA9855 and TDA9850: */
499 /* lower 3 bits control timing current for alignment: -30% (0x0), -20% (0x1),
500 * -10% (0x2), nominal (0x3), +10% (0x6), +20% (0x5), +30% (0x4) */
501 #define TDA985x_ADJ 1<<7 /* Stereo adjust on/off (wideband and spectral */
503 static int tda9855_volume(int val) { return val/0x2e8+0x27; }
504 static int tda9855_bass(int val) { return val/0xccc+0x06; }
505 static int tda9855_treble(int val) { return (val/0x1c71+0x3)<<1; }
507 static int tda985x_getmode(struct CHIPSTATE *chip)
511 mode = ((TDA985x_STP | TDA985x_SAPP) &
512 chip_read(chip)) >> 4;
513 /* Add mono mode regardless of SAP and stereo */
514 /* Allows forced mono */
515 return mode | VIDEO_SOUND_MONO;
518 static void tda985x_setmode(struct CHIPSTATE *chip, int mode)
521 int c6 = chip->shadow.bytes[TDA985x_C6+1] & 0x3f;
524 case VIDEO_SOUND_MONO:
527 case VIDEO_SOUND_STEREO:
528 c6 |= TDA985x_STEREO;
530 case VIDEO_SOUND_LANG1:
537 chip_write(chip,TDA985x_C6,c6);
541 /* ---------------------------------------------------------------------- */
542 /* audio chip descriptions - defines+functions for tda9873h */
544 /* Subaddresses for TDA9873H */
546 #define TDA9873_SW 0x00 /* Switching */
547 #define TDA9873_AD 0x01 /* Adjust */
548 #define TDA9873_PT 0x02 /* Port */
550 /* Subaddress 0x00: Switching Data
553 * B1, B0: Input source selection
555 * 1, 0 external stereo
558 #define TDA9873_INP_MASK 3
559 #define TDA9873_INTERNAL 0
560 #define TDA9873_EXT_STEREO 2
561 #define TDA9873_EXT_MONO 1
563 /* B3, B2: output signal select
564 * B4 : transmission mode
567 * 1, 1, 1 Stereo (reversed channel)
574 #define TDA9873_TR_MASK (7 << 2)
575 #define TDA9873_TR_MONO 4
576 #define TDA9873_TR_STEREO 1 << 4
577 #define TDA9873_TR_REVERSE (1 << 3) & (1 << 2)
578 #define TDA9873_TR_DUALA 1 << 2
579 #define TDA9873_TR_DUALB 1 << 3
581 /* output level controls
582 * B5: output level switch (0 = reduced gain, 1 = normal gain)
583 * B6: mute (1 = muted)
584 * B7: auto-mute (1 = auto-mute enabled)
587 #define TDA9873_GAIN_NORMAL 1 << 5
588 #define TDA9873_MUTE 1 << 6
589 #define TDA9873_AUTOMUTE 1 << 7
591 /* Subaddress 0x01: Adjust/standard */
593 /* Lower 4 bits (C3..C0) control stereo adjustment on R channel (-0.6 - +0.7 dB)
594 * Recommended value is +0 dB
597 #define TDA9873_STEREO_ADJ 0x06 /* 0dB gain */
599 /* Bits C6..C4 control FM stantard
601 * 0, 0, 0 B/G (PAL FM)
610 #define TDA9873_DK1 2
611 #define TDA9873_DK2 3
612 #define TDA9873_DK3 4
615 /* C7 controls identification response time (1=fast/0=normal)
617 #define TDA9873_IDR_NORM 0
618 #define TDA9873_IDR_FAST 1 << 7
621 /* Subaddress 0x02: Port data */
623 /* E1, E0 free programmable ports P1/P2
630 #define TDA9873_PORTS 3
633 #define TDA9873_TST_PORT 1 << 2
635 /* E5..E3 control mono output channel (together with transmission mode bit B4)
640 * 0 1 0 1 mono (from stereo decoder)
642 #define TDA9873_MOUT_MONO 0
643 #define TDA9873_MOUT_FMONO 0
644 #define TDA9873_MOUT_DUALA 0
645 #define TDA9873_MOUT_DUALB 1 << 3
646 #define TDA9873_MOUT_ST 1 << 4
647 #define TDA9873_MOUT_EXTM (1 << 4 ) & (1 << 3)
648 #define TDA9873_MOUT_EXTL 1 << 5
649 #define TDA9873_MOUT_EXTR (1 << 5 ) & (1 << 3)
650 #define TDA9873_MOUT_EXTLR (1 << 5 ) & (1 << 4)
651 #define TDA9873_MOUT_MUTE (1 << 5 ) & (1 << 4) & (1 << 3)
653 /* Status bits: (chip read) */
654 #define TDA9873_PONR 0 /* Power-on reset detected if = 1 */
655 #define TDA9873_STEREO 2 /* Stereo sound is identified */
656 #define TDA9873_DUAL 4 /* Dual sound is identified */
658 static int tda9873_getmode(struct CHIPSTATE *chip)
662 val = chip_read(chip);
663 mode = VIDEO_SOUND_MONO;
664 if (val & TDA9873_STEREO)
665 mode |= VIDEO_SOUND_STEREO;
666 if (val & TDA9873_DUAL)
667 mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2;
668 v4l_dbg(1, debug, &chip->c, "tda9873_getmode(): raw chip read: %d, return: %d\n",
673 static void tda9873_setmode(struct CHIPSTATE *chip, int mode)
675 int sw_data = chip->shadow.bytes[TDA9873_SW+1] & ~ TDA9873_TR_MASK;
676 /* int adj_data = chip->shadow.bytes[TDA9873_AD+1] ; */
678 if ((sw_data & TDA9873_INP_MASK) != TDA9873_INTERNAL) {
679 v4l_dbg(1, debug, &chip->c, "tda9873_setmode(): external input\n");
683 v4l_dbg(1, debug, &chip->c, "tda9873_setmode(): chip->shadow.bytes[%d] = %d\n", TDA9873_SW+1, chip->shadow.bytes[TDA9873_SW+1]);
684 v4l_dbg(1, debug, &chip->c, "tda9873_setmode(): sw_data = %d\n", sw_data);
687 case VIDEO_SOUND_MONO:
688 sw_data |= TDA9873_TR_MONO;
690 case VIDEO_SOUND_STEREO:
691 sw_data |= TDA9873_TR_STEREO;
693 case VIDEO_SOUND_LANG1:
694 sw_data |= TDA9873_TR_DUALA;
696 case VIDEO_SOUND_LANG2:
697 sw_data |= TDA9873_TR_DUALB;
704 chip_write(chip, TDA9873_SW, sw_data);
705 v4l_dbg(1, debug, &chip->c, "tda9873_setmode(): req. mode %d; chip_write: %d\n",
709 static int tda9873_checkit(struct CHIPSTATE *chip)
713 if (-1 == (rc = chip_read2(chip,254)))
715 return (rc & ~0x1f) == 0x80;
719 /* ---------------------------------------------------------------------- */
720 /* audio chip description - defines+functions for tda9874h and tda9874a */
721 /* Dariusz Kowalewski <darekk@automex.pl> */
723 /* Subaddresses for TDA9874H and TDA9874A (slave rx) */
724 #define TDA9874A_AGCGR 0x00 /* AGC gain */
725 #define TDA9874A_GCONR 0x01 /* general config */
726 #define TDA9874A_MSR 0x02 /* monitor select */
727 #define TDA9874A_C1FRA 0x03 /* carrier 1 freq. */
728 #define TDA9874A_C1FRB 0x04 /* carrier 1 freq. */
729 #define TDA9874A_C1FRC 0x05 /* carrier 1 freq. */
730 #define TDA9874A_C2FRA 0x06 /* carrier 2 freq. */
731 #define TDA9874A_C2FRB 0x07 /* carrier 2 freq. */
732 #define TDA9874A_C2FRC 0x08 /* carrier 2 freq. */
733 #define TDA9874A_DCR 0x09 /* demodulator config */
734 #define TDA9874A_FMER 0x0a /* FM de-emphasis */
735 #define TDA9874A_FMMR 0x0b /* FM dematrix */
736 #define TDA9874A_C1OLAR 0x0c /* ch.1 output level adj. */
737 #define TDA9874A_C2OLAR 0x0d /* ch.2 output level adj. */
738 #define TDA9874A_NCONR 0x0e /* NICAM config */
739 #define TDA9874A_NOLAR 0x0f /* NICAM output level adj. */
740 #define TDA9874A_NLELR 0x10 /* NICAM lower error limit */
741 #define TDA9874A_NUELR 0x11 /* NICAM upper error limit */
742 #define TDA9874A_AMCONR 0x12 /* audio mute control */
743 #define TDA9874A_SDACOSR 0x13 /* stereo DAC output select */
744 #define TDA9874A_AOSR 0x14 /* analog output select */
745 #define TDA9874A_DAICONR 0x15 /* digital audio interface config */
746 #define TDA9874A_I2SOSR 0x16 /* I2S-bus output select */
747 #define TDA9874A_I2SOLAR 0x17 /* I2S-bus output level adj. */
748 #define TDA9874A_MDACOSR 0x18 /* mono DAC output select (tda9874a) */
749 #define TDA9874A_ESP 0xFF /* easy standard progr. (tda9874a) */
751 /* Subaddresses for TDA9874H and TDA9874A (slave tx) */
752 #define TDA9874A_DSR 0x00 /* device status */
753 #define TDA9874A_NSR 0x01 /* NICAM status */
754 #define TDA9874A_NECR 0x02 /* NICAM error count */
755 #define TDA9874A_DR1 0x03 /* add. data LSB */
756 #define TDA9874A_DR2 0x04 /* add. data MSB */
757 #define TDA9874A_LLRA 0x05 /* monitor level read-out LSB */
758 #define TDA9874A_LLRB 0x06 /* monitor level read-out MSB */
759 #define TDA9874A_SIFLR 0x07 /* SIF level */
760 #define TDA9874A_TR2 252 /* test reg. 2 */
761 #define TDA9874A_TR1 253 /* test reg. 1 */
762 #define TDA9874A_DIC 254 /* device id. code */
763 #define TDA9874A_SIC 255 /* software id. code */
766 static int tda9874a_mode = 1; /* 0: A2, 1: NICAM */
767 static int tda9874a_GCONR = 0xc0; /* default config. input pin: SIFSEL=0 */
768 static int tda9874a_NCONR = 0x01; /* default NICAM config.: AMSEL=0,AMUTE=1 */
769 static int tda9874a_ESP = 0x07; /* default standard: NICAM D/K */
770 static int tda9874a_dic = -1; /* device id. code */
772 /* insmod options for tda9874a */
773 static unsigned int tda9874a_SIF = UNSET;
774 static unsigned int tda9874a_AMSEL = UNSET;
775 static unsigned int tda9874a_STD = UNSET;
776 module_param(tda9874a_SIF, int, 0444);
777 module_param(tda9874a_AMSEL, int, 0444);
778 module_param(tda9874a_STD, int, 0444);
781 * initialization table for tda9874 decoder:
782 * - carrier 1 freq. registers (3 bytes)
783 * - carrier 2 freq. registers (3 bytes)
784 * - demudulator config register
785 * - FM de-emphasis register (slow identification mode)
786 * Note: frequency registers must be written in single i2c transfer.
788 static struct tda9874a_MODES {
791 } tda9874a_modelist[9] = {
793 { 9, { TDA9874A_C1FRA, 0x72,0x95,0x55, 0x77,0xA0,0x00, 0x00,0x00 }} },
795 { 9, { TDA9874A_C1FRA, 0x5D,0xC0,0x00, 0x62,0x6A,0xAA, 0x20,0x22 }} },
797 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x82,0x60,0x00, 0x00,0x00 }} },
799 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x8C,0x75,0x55, 0x00,0x00 }} },
801 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x77,0xA0,0x00, 0x00,0x00 }} },
803 { 9, { TDA9874A_C1FRA, 0x7D,0x00,0x00, 0x88,0x8A,0xAA, 0x08,0x33 }} },
805 { 9, { TDA9874A_C1FRA, 0x72,0x95,0x55, 0x79,0xEA,0xAA, 0x08,0x33 }} },
806 { "NICAM, D/K", /* default */
807 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x79,0xEA,0xAA, 0x08,0x33 }} },
809 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x79,0xEA,0xAA, 0x09,0x33 }} }
812 static int tda9874a_setup(struct CHIPSTATE *chip)
814 chip_write(chip, TDA9874A_AGCGR, 0x00); /* 0 dB */
815 chip_write(chip, TDA9874A_GCONR, tda9874a_GCONR);
816 chip_write(chip, TDA9874A_MSR, (tda9874a_mode) ? 0x03:0x02);
817 if(tda9874a_dic == 0x11) {
818 chip_write(chip, TDA9874A_FMMR, 0x80);
819 } else { /* dic == 0x07 */
820 chip_cmd(chip,"tda9874_modelist",&tda9874a_modelist[tda9874a_STD].cmd);
821 chip_write(chip, TDA9874A_FMMR, 0x00);
823 chip_write(chip, TDA9874A_C1OLAR, 0x00); /* 0 dB */
824 chip_write(chip, TDA9874A_C2OLAR, 0x00); /* 0 dB */
825 chip_write(chip, TDA9874A_NCONR, tda9874a_NCONR);
826 chip_write(chip, TDA9874A_NOLAR, 0x00); /* 0 dB */
827 /* Note: If signal quality is poor you may want to change NICAM */
828 /* error limit registers (NLELR and NUELR) to some greater values. */
829 /* Then the sound would remain stereo, but won't be so clear. */
830 chip_write(chip, TDA9874A_NLELR, 0x14); /* default */
831 chip_write(chip, TDA9874A_NUELR, 0x50); /* default */
833 if(tda9874a_dic == 0x11) {
834 chip_write(chip, TDA9874A_AMCONR, 0xf9);
835 chip_write(chip, TDA9874A_SDACOSR, (tda9874a_mode) ? 0x81:0x80);
836 chip_write(chip, TDA9874A_AOSR, 0x80);
837 chip_write(chip, TDA9874A_MDACOSR, (tda9874a_mode) ? 0x82:0x80);
838 chip_write(chip, TDA9874A_ESP, tda9874a_ESP);
839 } else { /* dic == 0x07 */
840 chip_write(chip, TDA9874A_AMCONR, 0xfb);
841 chip_write(chip, TDA9874A_SDACOSR, (tda9874a_mode) ? 0x81:0x80);
842 chip_write(chip, TDA9874A_AOSR, 0x00); /* or 0x10 */
844 v4l_dbg(1, debug, &chip->c, "tda9874a_setup(): %s [0x%02X].\n",
845 tda9874a_modelist[tda9874a_STD].name,tda9874a_STD);
849 static int tda9874a_getmode(struct CHIPSTATE *chip)
852 int necr; /* just for debugging */
854 mode = VIDEO_SOUND_MONO;
856 if(-1 == (dsr = chip_read2(chip,TDA9874A_DSR)))
858 if(-1 == (nsr = chip_read2(chip,TDA9874A_NSR)))
860 if(-1 == (necr = chip_read2(chip,TDA9874A_NECR)))
863 /* need to store dsr/nsr somewhere */
864 chip->shadow.bytes[MAXREGS-2] = dsr;
865 chip->shadow.bytes[MAXREGS-1] = nsr;
868 /* Note: DSR.RSSF and DSR.AMSTAT bits are also checked.
869 * If NICAM auto-muting is enabled, DSR.AMSTAT=1 indicates
870 * that sound has (temporarily) switched from NICAM to
871 * mono FM (or AM) on 1st sound carrier due to high NICAM bit
872 * error count. So in fact there is no stereo in this case :-(
873 * But changing the mode to VIDEO_SOUND_MONO would switch
874 * external 4052 multiplexer in audio_hook().
876 if(nsr & 0x02) /* NSR.S/MB=1 */
877 mode |= VIDEO_SOUND_STEREO;
878 if(nsr & 0x01) /* NSR.D/SB=1 */
879 mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2;
881 if(dsr & 0x02) /* DSR.IDSTE=1 */
882 mode |= VIDEO_SOUND_STEREO;
883 if(dsr & 0x04) /* DSR.IDDUA=1 */
884 mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2;
887 v4l_dbg(1, debug, &chip->c, "tda9874a_getmode(): DSR=0x%X, NSR=0x%X, NECR=0x%X, return: %d.\n",
888 dsr, nsr, necr, mode);
892 static void tda9874a_setmode(struct CHIPSTATE *chip, int mode)
894 /* Disable/enable NICAM auto-muting (based on DSR.RSSF status bit). */
895 /* If auto-muting is disabled, we can hear a signal of degrading quality. */
897 if(chip->shadow.bytes[MAXREGS-2] & 0x20) /* DSR.RSSF=1 */
898 tda9874a_NCONR &= 0xfe; /* enable */
900 tda9874a_NCONR |= 0x01; /* disable */
901 chip_write(chip, TDA9874A_NCONR, tda9874a_NCONR);
904 /* Note: TDA9874A supports automatic FM dematrixing (FMMR register)
905 * and has auto-select function for audio output (AOSR register).
906 * Old TDA9874H doesn't support these features.
907 * TDA9874A also has additional mono output pin (OUTM), which
908 * on same (all?) tv-cards is not used, anyway (as well as MONOIN).
910 if(tda9874a_dic == 0x11) {
912 int mdacosr = (tda9874a_mode) ? 0x82:0x80;
915 case VIDEO_SOUND_MONO:
916 case VIDEO_SOUND_STEREO:
918 case VIDEO_SOUND_LANG1:
919 aosr = 0x80; /* auto-select, dual A/A */
920 mdacosr = (tda9874a_mode) ? 0x82:0x80;
922 case VIDEO_SOUND_LANG2:
923 aosr = 0xa0; /* auto-select, dual B/B */
924 mdacosr = (tda9874a_mode) ? 0x83:0x81;
930 chip_write(chip, TDA9874A_AOSR, aosr);
931 chip_write(chip, TDA9874A_MDACOSR, mdacosr);
933 v4l_dbg(1, debug, &chip->c, "tda9874a_setmode(): req. mode %d; AOSR=0x%X, MDACOSR=0x%X.\n",
934 mode, aosr, mdacosr);
936 } else { /* dic == 0x07 */
940 case VIDEO_SOUND_MONO:
941 fmmr = 0x00; /* mono */
942 aosr = 0x10; /* A/A */
944 case VIDEO_SOUND_STEREO:
947 aosr = 0x00; /* handled by NICAM auto-mute */
949 fmmr = (tda9874a_ESP == 1) ? 0x05 : 0x04; /* stereo */
953 case VIDEO_SOUND_LANG1:
954 fmmr = 0x02; /* dual */
955 aosr = 0x10; /* dual A/A */
957 case VIDEO_SOUND_LANG2:
958 fmmr = 0x02; /* dual */
959 aosr = 0x20; /* dual B/B */
965 chip_write(chip, TDA9874A_FMMR, fmmr);
966 chip_write(chip, TDA9874A_AOSR, aosr);
968 v4l_dbg(1, debug, &chip->c, "tda9874a_setmode(): req. mode %d; FMMR=0x%X, AOSR=0x%X.\n",
973 static int tda9874a_checkit(struct CHIPSTATE *chip)
975 int dic,sic; /* device id. and software id. codes */
977 if(-1 == (dic = chip_read2(chip,TDA9874A_DIC)))
979 if(-1 == (sic = chip_read2(chip,TDA9874A_SIC)))
982 v4l_dbg(1, debug, &chip->c, "tda9874a_checkit(): DIC=0x%X, SIC=0x%X.\n", dic, sic);
984 if((dic == 0x11)||(dic == 0x07)) {
985 v4l_info(&chip->c, "found tda9874%s.\n", (dic == 0x11) ? "a":"h");
986 tda9874a_dic = dic; /* remember device id. */
989 return 0; /* not found */
992 static int tda9874a_initialize(struct CHIPSTATE *chip)
994 if (tda9874a_SIF > 2)
996 if (tda9874a_STD > 8)
998 if(tda9874a_AMSEL > 1)
1001 if(tda9874a_SIF == 1)
1002 tda9874a_GCONR = 0xc0; /* sound IF input 1 */
1004 tda9874a_GCONR = 0xc1; /* sound IF input 2 */
1006 tda9874a_ESP = tda9874a_STD;
1007 tda9874a_mode = (tda9874a_STD < 5) ? 0 : 1;
1009 if(tda9874a_AMSEL == 0)
1010 tda9874a_NCONR = 0x01; /* auto-mute: analog mono input */
1012 tda9874a_NCONR = 0x05; /* auto-mute: 1st carrier FM or AM */
1014 tda9874a_setup(chip);
1019 /* ---------------------------------------------------------------------- */
1020 /* audio chip descriptions - defines+functions for tea6420 */
1022 #define TEA6300_VL 0x00 /* volume left */
1023 #define TEA6300_VR 0x01 /* volume right */
1024 #define TEA6300_BA 0x02 /* bass */
1025 #define TEA6300_TR 0x03 /* treble */
1026 #define TEA6300_FA 0x04 /* fader control */
1027 #define TEA6300_S 0x05 /* switch register */
1028 /* values for those registers: */
1029 #define TEA6300_S_SA 0x01 /* stereo A input */
1030 #define TEA6300_S_SB 0x02 /* stereo B */
1031 #define TEA6300_S_SC 0x04 /* stereo C */
1032 #define TEA6300_S_GMU 0x80 /* general mute */
1034 #define TEA6320_V 0x00 /* volume (0-5)/loudness off (6)/zero crossing mute(7) */
1035 #define TEA6320_FFR 0x01 /* fader front right (0-5) */
1036 #define TEA6320_FFL 0x02 /* fader front left (0-5) */
1037 #define TEA6320_FRR 0x03 /* fader rear right (0-5) */
1038 #define TEA6320_FRL 0x04 /* fader rear left (0-5) */
1039 #define TEA6320_BA 0x05 /* bass (0-4) */
1040 #define TEA6320_TR 0x06 /* treble (0-4) */
1041 #define TEA6320_S 0x07 /* switch register */
1042 /* values for those registers: */
1043 #define TEA6320_S_SA 0x07 /* stereo A input */
1044 #define TEA6320_S_SB 0x06 /* stereo B */
1045 #define TEA6320_S_SC 0x05 /* stereo C */
1046 #define TEA6320_S_SD 0x04 /* stereo D */
1047 #define TEA6320_S_GMU 0x80 /* general mute */
1049 #define TEA6420_S_SA 0x00 /* stereo A input */
1050 #define TEA6420_S_SB 0x01 /* stereo B */
1051 #define TEA6420_S_SC 0x02 /* stereo C */
1052 #define TEA6420_S_SD 0x03 /* stereo D */
1053 #define TEA6420_S_SE 0x04 /* stereo E */
1054 #define TEA6420_S_GMU 0x05 /* general mute */
1056 static int tea6300_shift10(int val) { return val >> 10; }
1057 static int tea6300_shift12(int val) { return val >> 12; }
1059 /* Assumes 16bit input (values 0x3f to 0x0c are unique, values less than */
1060 /* 0x0c mirror those immediately higher) */
1061 static int tea6320_volume(int val) { return (val / (65535/(63-12)) + 12) & 0x3f; }
1062 static int tea6320_shift11(int val) { return val >> 11; }
1063 static int tea6320_initialize(struct CHIPSTATE * chip)
1065 chip_write(chip, TEA6320_FFR, 0x3f);
1066 chip_write(chip, TEA6320_FFL, 0x3f);
1067 chip_write(chip, TEA6320_FRR, 0x3f);
1068 chip_write(chip, TEA6320_FRL, 0x3f);
1074 /* ---------------------------------------------------------------------- */
1075 /* audio chip descriptions - defines+functions for tda8425 */
1077 #define TDA8425_VL 0x00 /* volume left */
1078 #define TDA8425_VR 0x01 /* volume right */
1079 #define TDA8425_BA 0x02 /* bass */
1080 #define TDA8425_TR 0x03 /* treble */
1081 #define TDA8425_S1 0x08 /* switch functions */
1082 /* values for those registers: */
1083 #define TDA8425_S1_OFF 0xEE /* audio off (mute on) */
1084 #define TDA8425_S1_CH1 0xCE /* audio channel 1 (mute off) - "linear stereo" mode */
1085 #define TDA8425_S1_CH2 0xCF /* audio channel 2 (mute off) - "linear stereo" mode */
1086 #define TDA8425_S1_MU 0x20 /* mute bit */
1087 #define TDA8425_S1_STEREO 0x18 /* stereo bits */
1088 #define TDA8425_S1_STEREO_SPATIAL 0x18 /* spatial stereo */
1089 #define TDA8425_S1_STEREO_LINEAR 0x08 /* linear stereo */
1090 #define TDA8425_S1_STEREO_PSEUDO 0x10 /* pseudo stereo */
1091 #define TDA8425_S1_STEREO_MONO 0x00 /* forced mono */
1092 #define TDA8425_S1_ML 0x06 /* language selector */
1093 #define TDA8425_S1_ML_SOUND_A 0x02 /* sound a */
1094 #define TDA8425_S1_ML_SOUND_B 0x04 /* sound b */
1095 #define TDA8425_S1_ML_STEREO 0x06 /* stereo */
1096 #define TDA8425_S1_IS 0x01 /* channel selector */
1099 static int tda8425_shift10(int val) { return (val >> 10) | 0xc0; }
1100 static int tda8425_shift12(int val) { return (val >> 12) | 0xf0; }
1102 static int tda8425_initialize(struct CHIPSTATE *chip)
1104 struct CHIPDESC *desc = chiplist + chip->type;
1105 int inputmap[4] = { /* tuner */ TDA8425_S1_CH2, /* radio */ TDA8425_S1_CH1,
1106 /* extern */ TDA8425_S1_CH1, /* intern */ TDA8425_S1_OFF};
1108 if (chip->c.adapter->id == I2C_HW_B_RIVA) {
1109 memcpy (desc->inputmap, inputmap, sizeof (inputmap));
1114 static void tda8425_setmode(struct CHIPSTATE *chip, int mode)
1116 int s1 = chip->shadow.bytes[TDA8425_S1+1] & 0xe1;
1118 if (mode & VIDEO_SOUND_LANG1) {
1119 s1 |= TDA8425_S1_ML_SOUND_A;
1120 s1 |= TDA8425_S1_STEREO_PSEUDO;
1122 } else if (mode & VIDEO_SOUND_LANG2) {
1123 s1 |= TDA8425_S1_ML_SOUND_B;
1124 s1 |= TDA8425_S1_STEREO_PSEUDO;
1127 s1 |= TDA8425_S1_ML_STEREO;
1129 if (mode & VIDEO_SOUND_MONO)
1130 s1 |= TDA8425_S1_STEREO_MONO;
1131 if (mode & VIDEO_SOUND_STEREO)
1132 s1 |= TDA8425_S1_STEREO_SPATIAL;
1134 chip_write(chip,TDA8425_S1,s1);
1138 /* ---------------------------------------------------------------------- */
1139 /* audio chip descriptions - defines+functions for pic16c54 (PV951) */
1141 /* the registers of 16C54, I2C sub address. */
1142 #define PIC16C54_REG_KEY_CODE 0x01 /* Not use. */
1143 #define PIC16C54_REG_MISC 0x02
1145 /* bit definition of the RESET register, I2C data. */
1146 #define PIC16C54_MISC_RESET_REMOTE_CTL 0x01 /* bit 0, Reset to receive the key */
1147 /* code of remote controller */
1148 #define PIC16C54_MISC_MTS_MAIN 0x02 /* bit 1 */
1149 #define PIC16C54_MISC_MTS_SAP 0x04 /* bit 2 */
1150 #define PIC16C54_MISC_MTS_BOTH 0x08 /* bit 3 */
1151 #define PIC16C54_MISC_SND_MUTE 0x10 /* bit 4, Mute Audio(Line-in and Tuner) */
1152 #define PIC16C54_MISC_SND_NOTMUTE 0x20 /* bit 5 */
1153 #define PIC16C54_MISC_SWITCH_TUNER 0x40 /* bit 6 , Switch to Line-in */
1154 #define PIC16C54_MISC_SWITCH_LINE 0x80 /* bit 7 , Switch to Tuner */
1156 /* ---------------------------------------------------------------------- */
1157 /* audio chip descriptions - defines+functions for TA8874Z */
1159 /* write 1st byte */
1160 #define TA8874Z_LED_STE 0x80
1161 #define TA8874Z_LED_BIL 0x40
1162 #define TA8874Z_LED_EXT 0x20
1163 #define TA8874Z_MONO_SET 0x10
1164 #define TA8874Z_MUTE 0x08
1165 #define TA8874Z_F_MONO 0x04
1166 #define TA8874Z_MODE_SUB 0x02
1167 #define TA8874Z_MODE_MAIN 0x01
1169 /* write 2nd byte */
1170 /*#define TA8874Z_TI 0x80 */ /* test mode */
1171 #define TA8874Z_SEPARATION 0x3f
1172 #define TA8874Z_SEPARATION_DEFAULT 0x10
1175 #define TA8874Z_B1 0x80
1176 #define TA8874Z_B0 0x40
1177 #define TA8874Z_CHAG_FLAG 0x20
1185 static int ta8874z_getmode(struct CHIPSTATE *chip)
1189 val = chip_read(chip);
1190 mode = VIDEO_SOUND_MONO;
1191 if (val & TA8874Z_B1){
1192 mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2;
1193 }else if (!(val & TA8874Z_B0)){
1194 mode |= VIDEO_SOUND_STEREO;
1196 /* v4l_dbg(1, debug, &chip->c, "ta8874z_getmode(): raw chip read: 0x%02x, return: 0x%02x\n", val, mode); */
1200 static audiocmd ta8874z_stereo = { 2, {0, TA8874Z_SEPARATION_DEFAULT}};
1201 static audiocmd ta8874z_mono = {2, { TA8874Z_MONO_SET, TA8874Z_SEPARATION_DEFAULT}};
1202 static audiocmd ta8874z_main = {2, { 0, TA8874Z_SEPARATION_DEFAULT}};
1203 static audiocmd ta8874z_sub = {2, { TA8874Z_MODE_SUB, TA8874Z_SEPARATION_DEFAULT}};
1205 static void ta8874z_setmode(struct CHIPSTATE *chip, int mode)
1209 v4l_dbg(1, debug, &chip->c, "ta8874z_setmode(): mode: 0x%02x\n", mode);
1212 case VIDEO_SOUND_MONO:
1215 case VIDEO_SOUND_STEREO:
1216 t = &ta8874z_stereo;
1218 case VIDEO_SOUND_LANG1:
1221 case VIDEO_SOUND_LANG2:
1229 chip_cmd(chip, "TA8874Z", t);
1232 static int ta8874z_checkit(struct CHIPSTATE *chip)
1235 rc = chip_read(chip);
1236 return ((rc & 0x1f) == 0x1f) ? 1 : 0;
1239 /* ---------------------------------------------------------------------- */
1240 /* audio chip descriptions - struct CHIPDESC */
1242 /* insmod options to enable/disable individual audio chips */
1243 static int tda8425 = 1;
1244 static int tda9840 = 1;
1245 static int tda9850 = 1;
1246 static int tda9855 = 1;
1247 static int tda9873 = 1;
1248 static int tda9874a = 1;
1249 static int tea6300 = 0; /* address clash with msp34xx */
1250 static int tea6320 = 0; /* address clash with msp34xx */
1251 static int tea6420 = 1;
1252 static int pic16c54 = 1;
1253 static int ta8874z = 0; /* address clash with tda9840 */
1255 module_param(tda8425, int, 0444);
1256 module_param(tda9840, int, 0444);
1257 module_param(tda9850, int, 0444);
1258 module_param(tda9855, int, 0444);
1259 module_param(tda9873, int, 0444);
1260 module_param(tda9874a, int, 0444);
1261 module_param(tea6300, int, 0444);
1262 module_param(tea6320, int, 0444);
1263 module_param(tea6420, int, 0444);
1264 module_param(pic16c54, int, 0444);
1265 module_param(ta8874z, int, 0444);
1267 static struct CHIPDESC chiplist[] = {
1270 .id = I2C_DRIVERID_TDA9840,
1271 .insmodopt = &tda9840,
1272 .addr_lo = I2C_ADDR_TDA9840 >> 1,
1273 .addr_hi = I2C_ADDR_TDA9840 >> 1,
1276 .checkit = tda9840_checkit,
1277 .getmode = tda9840_getmode,
1278 .setmode = tda9840_setmode,
1279 .checkmode = generic_checkmode,
1281 .init = { 2, { TDA9840_TEST, TDA9840_TEST_INT1SN
1282 /* ,TDA9840_SW, TDA9840_MONO */} }
1286 .id = I2C_DRIVERID_TDA9873,
1287 .checkit = tda9873_checkit,
1288 .insmodopt = &tda9873,
1289 .addr_lo = I2C_ADDR_TDA985x_L >> 1,
1290 .addr_hi = I2C_ADDR_TDA985x_H >> 1,
1292 .flags = CHIP_HAS_INPUTSEL,
1294 .getmode = tda9873_getmode,
1295 .setmode = tda9873_setmode,
1296 .checkmode = generic_checkmode,
1298 .init = { 4, { TDA9873_SW, 0xa4, 0x06, 0x03 } },
1299 .inputreg = TDA9873_SW,
1300 .inputmute = TDA9873_MUTE | TDA9873_AUTOMUTE,
1301 .inputmap = {0xa0, 0xa2, 0xa0, 0xa0},
1302 .inputmask = TDA9873_INP_MASK|TDA9873_MUTE|TDA9873_AUTOMUTE,
1306 .name = "tda9874h/a",
1307 .id = I2C_DRIVERID_TDA9874,
1308 .checkit = tda9874a_checkit,
1309 .initialize = tda9874a_initialize,
1310 .insmodopt = &tda9874a,
1311 .addr_lo = I2C_ADDR_TDA9874 >> 1,
1312 .addr_hi = I2C_ADDR_TDA9874 >> 1,
1314 .getmode = tda9874a_getmode,
1315 .setmode = tda9874a_setmode,
1316 .checkmode = generic_checkmode,
1320 .id = I2C_DRIVERID_TDA9850,
1321 .insmodopt = &tda9850,
1322 .addr_lo = I2C_ADDR_TDA985x_L >> 1,
1323 .addr_hi = I2C_ADDR_TDA985x_H >> 1,
1326 .getmode = tda985x_getmode,
1327 .setmode = tda985x_setmode,
1329 .init = { 8, { TDA9850_C4, 0x08, 0x08, TDA985x_STEREO, 0x07, 0x10, 0x10, 0x03 } }
1333 .id = I2C_DRIVERID_TDA9855,
1334 .insmodopt = &tda9855,
1335 .addr_lo = I2C_ADDR_TDA985x_L >> 1,
1336 .addr_hi = I2C_ADDR_TDA985x_H >> 1,
1338 .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE,
1340 .leftreg = TDA9855_VL,
1341 .rightreg = TDA9855_VR,
1342 .bassreg = TDA9855_BA,
1343 .treblereg = TDA9855_TR,
1344 .volfunc = tda9855_volume,
1345 .bassfunc = tda9855_bass,
1346 .treblefunc = tda9855_treble,
1348 .getmode = tda985x_getmode,
1349 .setmode = tda985x_setmode,
1351 .init = { 12, { 0, 0x6f, 0x6f, 0x0e, 0x07<<1, 0x8<<2,
1352 TDA9855_MUTE | TDA9855_AVL | TDA9855_LOUD | TDA9855_INT,
1353 TDA985x_STEREO | TDA9855_LINEAR | TDA9855_TZCM | TDA9855_VZCM,
1354 0x07, 0x10, 0x10, 0x03 }}
1358 .id = I2C_DRIVERID_TEA6300,
1359 .insmodopt = &tea6300,
1360 .addr_lo = I2C_ADDR_TEA6300 >> 1,
1361 .addr_hi = I2C_ADDR_TEA6300 >> 1,
1363 .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL,
1365 .leftreg = TEA6300_VR,
1366 .rightreg = TEA6300_VL,
1367 .bassreg = TEA6300_BA,
1368 .treblereg = TEA6300_TR,
1369 .volfunc = tea6300_shift10,
1370 .bassfunc = tea6300_shift12,
1371 .treblefunc = tea6300_shift12,
1373 .inputreg = TEA6300_S,
1374 .inputmap = { TEA6300_S_SA, TEA6300_S_SB, TEA6300_S_SC },
1375 .inputmute = TEA6300_S_GMU,
1379 .id = I2C_DRIVERID_TEA6300,
1380 .initialize = tea6320_initialize,
1381 .insmodopt = &tea6320,
1382 .addr_lo = I2C_ADDR_TEA6300 >> 1,
1383 .addr_hi = I2C_ADDR_TEA6300 >> 1,
1385 .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL,
1387 .leftreg = TEA6320_V,
1388 .rightreg = TEA6320_V,
1389 .bassreg = TEA6320_BA,
1390 .treblereg = TEA6320_TR,
1391 .volfunc = tea6320_volume,
1392 .bassfunc = tea6320_shift11,
1393 .treblefunc = tea6320_shift11,
1395 .inputreg = TEA6320_S,
1396 .inputmap = { TEA6320_S_SA, TEA6420_S_SB, TEA6300_S_SC, TEA6320_S_SD },
1397 .inputmute = TEA6300_S_GMU,
1401 .id = I2C_DRIVERID_TEA6420,
1402 .insmodopt = &tea6420,
1403 .addr_lo = I2C_ADDR_TEA6420 >> 1,
1404 .addr_hi = I2C_ADDR_TEA6420 >> 1,
1406 .flags = CHIP_HAS_INPUTSEL,
1409 .inputmap = { TEA6420_S_SA, TEA6420_S_SB, TEA6420_S_SC },
1410 .inputmute = TEA6300_S_GMU,
1414 .id = I2C_DRIVERID_TDA8425,
1415 .insmodopt = &tda8425,
1416 .addr_lo = I2C_ADDR_TDA8425 >> 1,
1417 .addr_hi = I2C_ADDR_TDA8425 >> 1,
1419 .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL,
1421 .leftreg = TDA8425_VL,
1422 .rightreg = TDA8425_VR,
1423 .bassreg = TDA8425_BA,
1424 .treblereg = TDA8425_TR,
1425 .volfunc = tda8425_shift10,
1426 .bassfunc = tda8425_shift12,
1427 .treblefunc = tda8425_shift12,
1429 .inputreg = TDA8425_S1,
1430 .inputmap = { TDA8425_S1_CH1, TDA8425_S1_CH1, TDA8425_S1_CH1 },
1431 .inputmute = TDA8425_S1_OFF,
1433 .setmode = tda8425_setmode,
1434 .initialize = tda8425_initialize,
1437 .name = "pic16c54 (PV951)",
1438 .id = I2C_DRIVERID_PIC16C54_PV9,
1439 .insmodopt = &pic16c54,
1440 .addr_lo = I2C_ADDR_PIC16C54 >> 1,
1441 .addr_hi = I2C_ADDR_PIC16C54>> 1,
1443 .flags = CHIP_HAS_INPUTSEL,
1445 .inputreg = PIC16C54_REG_MISC,
1446 .inputmap = {PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_TUNER,
1447 PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_LINE,
1448 PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_LINE,
1449 PIC16C54_MISC_SND_MUTE},
1450 .inputmute = PIC16C54_MISC_SND_MUTE,
1455 /*.id = I2C_DRIVERID_TA8874Z, */
1456 .checkit = ta8874z_checkit,
1457 .insmodopt = &ta8874z,
1458 .addr_lo = I2C_ADDR_TDA9840 >> 1,
1459 .addr_hi = I2C_ADDR_TDA9840 >> 1,
1462 .getmode = ta8874z_getmode,
1463 .setmode = ta8874z_setmode,
1464 .checkmode = generic_checkmode,
1466 .init = {2, { TA8874Z_MONO_SET, TA8874Z_SEPARATION_DEFAULT}},
1468 { .name = NULL } /* EOF */
1472 /* ---------------------------------------------------------------------- */
1473 /* i2c registration */
1475 static int chip_attach(struct i2c_adapter *adap, int addr, int kind)
1477 struct CHIPSTATE *chip;
1478 struct CHIPDESC *desc;
1480 chip = kzalloc(sizeof(*chip),GFP_KERNEL);
1483 memcpy(&chip->c,&client_template,sizeof(struct i2c_client));
1484 chip->c.adapter = adap;
1485 chip->c.addr = addr;
1486 i2c_set_clientdata(&chip->c, chip);
1488 /* find description for the chip */
1489 v4l_dbg(1, debug, &chip->c, "chip found @ 0x%x\n", addr<<1);
1490 for (desc = chiplist; desc->name != NULL; desc++) {
1491 if (0 == *(desc->insmodopt))
1493 if (addr < desc->addr_lo ||
1494 addr > desc->addr_hi)
1496 if (desc->checkit && !desc->checkit(chip))
1500 if (desc->name == NULL) {
1501 v4l_dbg(1, debug, &chip->c, "no matching chip description found\n");
1504 v4l_info(&chip->c, "%s found @ 0x%x (%s)\n", desc->name, addr<<1, adap->name);
1506 v4l_dbg(1, debug, &chip->c, "matches:%s%s%s.\n",
1507 (desc->flags & CHIP_HAS_VOLUME) ? " volume" : "",
1508 (desc->flags & CHIP_HAS_BASSTREBLE) ? " bass/treble" : "",
1509 (desc->flags & CHIP_HAS_INPUTSEL) ? " audiomux" : "");
1512 /* fill required data structures */
1513 strcpy(chip->c.name, desc->name);
1514 chip->type = desc-chiplist;
1515 chip->shadow.count = desc->registers+1;
1516 chip->prevmode = -1;
1517 chip->audmode = V4L2_TUNER_MODE_LANG1;
1519 i2c_attach_client(&chip->c);
1521 /* initialization */
1522 if (desc->initialize != NULL)
1523 desc->initialize(chip);
1525 chip_cmd(chip,"init",&desc->init);
1527 if (desc->flags & CHIP_HAS_VOLUME) {
1528 chip->left = desc->leftinit ? desc->leftinit : 65535;
1529 chip->right = desc->rightinit ? desc->rightinit : 65535;
1530 chip_write(chip,desc->leftreg,desc->volfunc(chip->left));
1531 chip_write(chip,desc->rightreg,desc->volfunc(chip->right));
1533 if (desc->flags & CHIP_HAS_BASSTREBLE) {
1534 chip->treble = desc->trebleinit ? desc->trebleinit : 32768;
1535 chip->bass = desc->bassinit ? desc->bassinit : 32768;
1536 chip_write(chip,desc->bassreg,desc->bassfunc(chip->bass));
1537 chip_write(chip,desc->treblereg,desc->treblefunc(chip->treble));
1541 if (desc->checkmode) {
1542 /* start async thread */
1543 init_timer(&chip->wt);
1544 chip->wt.function = chip_thread_wake;
1545 chip->wt.data = (unsigned long)chip;
1546 init_waitqueue_head(&chip->wq);
1547 init_completion(&chip->texit);
1548 chip->tpid = kernel_thread(chip_thread,(void *)chip,0);
1550 v4l_warn(&chip->c, "%s: kernel_thread() failed\n",
1552 wake_up_interruptible(&chip->wq);
1557 static int chip_probe(struct i2c_adapter *adap)
1559 /* don't attach on saa7146 based cards,
1560 because dedicated drivers are used */
1561 if ((adap->id == I2C_HW_SAA7146))
1563 if (adap->class & I2C_CLASS_TV_ANALOG)
1564 return i2c_probe(adap, &addr_data, chip_attach);
1568 static int chip_detach(struct i2c_client *client)
1570 struct CHIPSTATE *chip = i2c_get_clientdata(client);
1572 del_timer_sync(&chip->wt);
1573 if (chip->tpid >= 0) {
1574 /* shutdown async thread */
1576 wake_up_interruptible(&chip->wq);
1577 wait_for_completion(&chip->texit);
1580 i2c_detach_client(&chip->c);
1585 static int tvaudio_set_ctrl(struct CHIPSTATE *chip, struct v4l2_control *ctrl)
1587 struct CHIPDESC *desc = chiplist + chip->type;
1590 case V4L2_CID_AUDIO_MUTE:
1591 if (ctrl->value < 0 || ctrl->value >= 2)
1593 chip->muted = ctrl->value;
1595 chip_write_masked(chip,desc->inputreg,desc->inputmute,desc->inputmask);
1597 chip_write_masked(chip,desc->inputreg,
1598 desc->inputmap[chip->input],desc->inputmask);
1607 /* ---------------------------------------------------------------------- */
1608 /* video4linux interface */
1610 static int chip_command(struct i2c_client *client,
1611 unsigned int cmd, void *arg)
1613 struct CHIPSTATE *chip = i2c_get_clientdata(client);
1614 struct CHIPDESC *desc = chiplist + chip->type;
1616 v4l_dbg(1, debug, &chip->c, "%s: chip_command 0x%x\n", chip->c.name, cmd);
1619 case AUDC_SET_RADIO:
1621 chip->watch_stereo = 0;
1622 /* del_timer(&chip->wt); */
1625 /* --- v4l ioctls --- */
1626 /* take care: bttv does userspace copying, we'll get a
1627 kernel pointer here... */
1630 struct video_audio *va = arg;
1632 if (desc->flags & CHIP_HAS_VOLUME) {
1633 va->flags |= VIDEO_AUDIO_VOLUME;
1634 va->volume = max(chip->left,chip->right);
1636 va->balance = (32768*min(chip->left,chip->right))/
1639 va->balance = 32768;
1641 if (desc->flags & CHIP_HAS_BASSTREBLE) {
1642 va->flags |= VIDEO_AUDIO_BASS | VIDEO_AUDIO_TREBLE;
1643 va->bass = chip->bass;
1644 va->treble = chip->treble;
1648 va->mode = desc->getmode(chip);
1650 va->mode = VIDEO_SOUND_MONO;
1657 struct video_audio *va = arg;
1659 if (desc->flags & CHIP_HAS_VOLUME) {
1660 chip->left = (min(65536 - va->balance,32768) *
1661 va->volume) / 32768;
1662 chip->right = (min(va->balance,(__u16)32768) *
1663 va->volume) / 32768;
1664 chip_write(chip,desc->leftreg,desc->volfunc(chip->left));
1665 chip_write(chip,desc->rightreg,desc->volfunc(chip->right));
1667 if (desc->flags & CHIP_HAS_BASSTREBLE) {
1668 chip->bass = va->bass;
1669 chip->treble = va->treble;
1670 chip_write(chip,desc->bassreg,desc->bassfunc(chip->bass));
1671 chip_write(chip,desc->treblereg,desc->treblefunc(chip->treble));
1673 if (desc->setmode && va->mode) {
1674 chip->watch_stereo = 0;
1675 /* del_timer(&chip->wt); */
1676 chip->mode = va->mode;
1677 desc->setmode(chip,va->mode);
1683 return tvaudio_set_ctrl(chip, arg);
1685 case VIDIOC_INT_G_AUDIO_ROUTING:
1687 struct v4l2_routing *rt = arg;
1689 rt->input = chip->input;
1694 case VIDIOC_INT_S_AUDIO_ROUTING:
1696 struct v4l2_routing *rt = arg;
1698 if (!(desc->flags & CHIP_HAS_INPUTSEL) || rt->input >= 4)
1700 /* There are four inputs: tuner, radio, extern and intern. */
1701 chip->input = rt->input;
1704 chip_write_masked(chip, desc->inputreg,
1705 desc->inputmap[chip->input], desc->inputmask);
1709 case VIDIOC_S_TUNER:
1711 struct v4l2_tuner *vt = arg;
1716 switch (vt->audmode) {
1717 case V4L2_TUNER_MODE_MONO:
1718 mode = VIDEO_SOUND_MONO;
1720 case V4L2_TUNER_MODE_STEREO:
1721 case V4L2_TUNER_MODE_LANG1_LANG2:
1722 mode = VIDEO_SOUND_STEREO;
1724 case V4L2_TUNER_MODE_LANG1:
1725 mode = VIDEO_SOUND_LANG1;
1727 case V4L2_TUNER_MODE_LANG2:
1728 mode = VIDEO_SOUND_LANG2;
1733 chip->audmode = vt->audmode;
1735 if (desc->setmode && mode) {
1736 chip->watch_stereo = 0;
1737 /* del_timer(&chip->wt); */
1739 desc->setmode(chip, mode);
1744 case VIDIOC_G_TUNER:
1746 struct v4l2_tuner *vt = arg;
1747 int mode = VIDEO_SOUND_MONO;
1751 vt->audmode = chip->audmode;
1753 vt->capability = V4L2_TUNER_CAP_STEREO |
1754 V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2;
1757 mode = desc->getmode(chip);
1759 if (mode & VIDEO_SOUND_MONO)
1760 vt->rxsubchans |= V4L2_TUNER_SUB_MONO;
1761 if (mode & VIDEO_SOUND_STEREO)
1762 vt->rxsubchans |= V4L2_TUNER_SUB_STEREO;
1763 /* Note: for SAP it should be mono/lang2 or stereo/lang2.
1764 When this module is converted fully to v4l2, then this
1765 should change for those chips that can detect SAP. */
1766 if (mode & VIDEO_SOUND_LANG1)
1767 vt->rxsubchans = V4L2_TUNER_SUB_LANG1 |
1768 V4L2_TUNER_SUB_LANG2;
1778 case VIDIOC_S_FREQUENCY:
1779 chip->mode = 0; /* automatic */
1780 if (desc->checkmode) {
1781 desc->setmode(chip,VIDEO_SOUND_MONO);
1782 if (chip->prevmode != VIDEO_SOUND_MONO)
1783 chip->prevmode = -1; /* reset previous mode */
1784 mod_timer(&chip->wt, jiffies+2*HZ);
1785 /* the thread will call checkmode() later */
1792 static struct i2c_driver driver = {
1796 .id = I2C_DRIVERID_TVAUDIO,
1797 .attach_adapter = chip_probe,
1798 .detach_client = chip_detach,
1799 .command = chip_command,
1802 static struct i2c_client client_template =
1808 static int __init audiochip_init_module(void)
1810 struct CHIPDESC *desc;
1813 printk(KERN_INFO "tvaudio: TV audio decoder + audio/video mux driver\n");
1814 printk(KERN_INFO "tvaudio: known chips: ");
1815 for (desc = chiplist; desc->name != NULL; desc++)
1816 printk("%s%s", (desc == chiplist) ? "" : ", ", desc->name);
1820 return i2c_add_driver(&driver);
1823 static void __exit audiochip_cleanup_module(void)
1825 i2c_del_driver(&driver);
1828 module_init(audiochip_init_module);
1829 module_exit(audiochip_cleanup_module);