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/audiochip.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 #define tvaudio_info(fmt, arg...) do {\
51 printk(KERN_INFO "tvaudio %d-%04x: " fmt, \
52 chip->c.adapter->nr, chip->c.addr , ##arg); } while (0)
53 #define tvaudio_warn(fmt, arg...) do {\
54 printk(KERN_WARNING "tvaudio %d-%04x: " fmt, \
55 chip->c.adapter->nr, chip->c.addr , ##arg); } while (0)
56 #define tvaudio_dbg(fmt, arg...) do {\
58 printk(KERN_INFO "tvaudio %d-%04x: " fmt, \
59 chip->c.adapter->nr, chip->c.addr , ##arg); } while (0)
61 /* ---------------------------------------------------------------------- */
67 typedef int (*getvalue)(int);
68 typedef int (*checkit)(struct CHIPSTATE*);
69 typedef int (*initialize)(struct CHIPSTATE*);
70 typedef int (*getmode)(struct CHIPSTATE*);
71 typedef void (*setmode)(struct CHIPSTATE*, int mode);
72 typedef void (*checkmode)(struct CHIPSTATE*);
75 typedef struct AUDIOCMD {
76 int count; /* # of bytes to send */
77 unsigned char bytes[MAXREGS+1]; /* addr, data, data, ... */
80 /* chip description */
82 char *name; /* chip name */
84 int addr_lo, addr_hi; /* i2c address range */
85 int registers; /* # of registers */
89 initialize initialize;
91 #define CHIP_HAS_VOLUME 1
92 #define CHIP_HAS_BASSTREBLE 2
93 #define CHIP_HAS_INPUTSEL 4
95 /* various i2c command sequences */
98 /* which register has which value */
99 int leftreg,rightreg,treblereg,bassreg;
101 /* initialize with (defaults to 65535/65535/32768/32768 */
102 int leftinit,rightinit,trebleinit,bassinit;
104 /* functions to convert the values (v4l -> chip) */
105 getvalue volfunc,treblefunc,bassfunc;
111 /* check / autoswitch audio after channel switches */
114 /* input switch register + values for v4l inputs */
120 static struct CHIPDESC chiplist[];
122 /* current state of the chip */
126 /* index into CHIPDESC array */
129 /* shadow register set */
132 /* current settings */
133 __u16 left,right,treble,bass,mode;
139 struct completion texit;
140 wait_queue_head_t wq;
141 struct timer_list wt;
146 #define VIDEO_MODE_RADIO 16 /* norm magic for radio mode */
148 /* ---------------------------------------------------------------------- */
151 static unsigned short normal_i2c[] = {
163 static struct i2c_driver driver;
164 static struct i2c_client client_template;
167 /* ---------------------------------------------------------------------- */
168 /* i2c I/O functions */
170 static int chip_write(struct CHIPSTATE *chip, int subaddr, int val)
172 unsigned char buffer[2];
175 tvaudio_dbg("%s: chip_write: 0x%x\n",
177 chip->shadow.bytes[1] = val;
179 if (1 != i2c_master_send(&chip->c,buffer,1)) {
180 tvaudio_warn("%s: I/O error (write 0x%x)\n",
185 tvaudio_dbg("%s: chip_write: reg%d=0x%x\n",
186 chip->c.name, subaddr, val);
187 chip->shadow.bytes[subaddr+1] = val;
190 if (2 != i2c_master_send(&chip->c,buffer,2)) {
191 tvaudio_warn("%s: I/O error (write reg%d=0x%x)\n",
192 chip->c.name, subaddr, val);
199 static int chip_write_masked(struct CHIPSTATE *chip, int subaddr, int val, int mask)
203 val = (chip->shadow.bytes[1] & ~mask) | (val & mask);
205 val = (chip->shadow.bytes[subaddr+1] & ~mask) | (val & mask);
208 return chip_write(chip, subaddr, val);
211 static int chip_read(struct CHIPSTATE *chip)
213 unsigned char buffer;
215 if (1 != i2c_master_recv(&chip->c,&buffer,1)) {
216 tvaudio_warn("%s: I/O error (read)\n",
220 tvaudio_dbg("%s: chip_read: 0x%x\n",chip->c.name,buffer);
224 static int chip_read2(struct CHIPSTATE *chip, int subaddr)
226 unsigned char write[1];
227 unsigned char read[1];
228 struct i2c_msg msgs[2] = {
229 { chip->c.addr, 0, 1, write },
230 { chip->c.addr, I2C_M_RD, 1, read }
234 if (2 != i2c_transfer(chip->c.adapter,msgs,2)) {
235 tvaudio_warn("%s: I/O error (read2)\n", chip->c.name);
238 tvaudio_dbg("%s: chip_read2: reg%d=0x%x\n",
239 chip->c.name,subaddr,read[0]);
243 static int chip_cmd(struct CHIPSTATE *chip, char *name, audiocmd *cmd)
250 /* update our shadow register set; print bytes if (debug > 0) */
251 tvaudio_dbg("%s: chip_cmd(%s): reg=%d, data:",
252 chip->c.name,name,cmd->bytes[0]);
253 for (i = 1; i < cmd->count; i++) {
255 printk(" 0x%x",cmd->bytes[i]);
256 chip->shadow.bytes[i+cmd->bytes[0]] = cmd->bytes[i];
261 /* send data to the chip */
262 if (cmd->count != i2c_master_send(&chip->c,cmd->bytes,cmd->count)) {
263 tvaudio_warn("%s: I/O error (%s)\n", chip->c.name, name);
269 /* ---------------------------------------------------------------------- */
270 /* kernel thread for doing i2c stuff asyncronly
271 * right now it is used only to check the audio mode (mono/stereo/whatever)
272 * some time after switching to another TV channel, then turn on stereo
276 static void chip_thread_wake(unsigned long data)
278 struct CHIPSTATE *chip = (struct CHIPSTATE*)data;
279 wake_up_interruptible(&chip->wq);
282 static int chip_thread(void *data)
284 DECLARE_WAITQUEUE(wait, current);
285 struct CHIPSTATE *chip = data;
286 struct CHIPDESC *desc = chiplist + chip->type;
288 daemonize("%s", chip->c.name);
289 allow_signal(SIGTERM);
290 tvaudio_dbg("%s: thread started\n", chip->c.name);
293 add_wait_queue(&chip->wq, &wait);
295 set_current_state(TASK_INTERRUPTIBLE);
298 remove_wait_queue(&chip->wq, &wait);
300 if (chip->done || signal_pending(current))
302 tvaudio_dbg("%s: thread wakeup\n", chip->c.name);
304 /* don't do anything for radio or if mode != auto */
305 if (chip->norm == VIDEO_MODE_RADIO || chip->mode != 0)
308 /* have a look what's going on */
309 desc->checkmode(chip);
311 /* schedule next check */
312 mod_timer(&chip->wt, jiffies+2*HZ);
315 tvaudio_dbg("%s: thread exiting\n", chip->c.name);
316 complete_and_exit(&chip->texit, 0);
320 static void generic_checkmode(struct CHIPSTATE *chip)
322 struct CHIPDESC *desc = chiplist + chip->type;
323 int mode = desc->getmode(chip);
325 if (mode == chip->prevmode)
328 tvaudio_dbg("%s: thread checkmode\n", chip->c.name);
329 chip->prevmode = mode;
331 if (mode & VIDEO_SOUND_STEREO)
332 desc->setmode(chip,VIDEO_SOUND_STEREO);
333 else if (mode & VIDEO_SOUND_LANG1)
334 desc->setmode(chip,VIDEO_SOUND_LANG1);
335 else if (mode & VIDEO_SOUND_LANG2)
336 desc->setmode(chip,VIDEO_SOUND_LANG2);
338 desc->setmode(chip,VIDEO_SOUND_MONO);
341 /* ---------------------------------------------------------------------- */
342 /* audio chip descriptions - defines+functions for tda9840 */
344 #define TDA9840_SW 0x00
345 #define TDA9840_LVADJ 0x02
346 #define TDA9840_STADJ 0x03
347 #define TDA9840_TEST 0x04
349 #define TDA9840_MONO 0x10
350 #define TDA9840_STEREO 0x2a
351 #define TDA9840_DUALA 0x12
352 #define TDA9840_DUALB 0x1e
353 #define TDA9840_DUALAB 0x1a
354 #define TDA9840_DUALBA 0x16
355 #define TDA9840_EXTERNAL 0x7a
357 #define TDA9840_DS_DUAL 0x20 /* Dual sound identified */
358 #define TDA9840_ST_STEREO 0x40 /* Stereo sound identified */
359 #define TDA9840_PONRES 0x80 /* Power-on reset detected if = 1 */
361 #define TDA9840_TEST_INT1SN 0x1 /* Integration time 0.5s when set */
362 #define TDA9840_TEST_INTFU 0x02 /* Disables integrator function */
364 static int tda9840_getmode(struct CHIPSTATE *chip)
368 val = chip_read(chip);
369 mode = VIDEO_SOUND_MONO;
370 if (val & TDA9840_DS_DUAL)
371 mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2;
372 if (val & TDA9840_ST_STEREO)
373 mode |= VIDEO_SOUND_STEREO;
375 tvaudio_dbg ("tda9840_getmode(): raw chip read: %d, return: %d\n",
380 static void tda9840_setmode(struct CHIPSTATE *chip, int mode)
383 int t = chip->shadow.bytes[TDA9840_SW + 1] & ~0x7e;
386 case VIDEO_SOUND_MONO:
389 case VIDEO_SOUND_STEREO:
392 case VIDEO_SOUND_LANG1:
395 case VIDEO_SOUND_LANG2:
403 chip_write(chip, TDA9840_SW, t);
406 /* ---------------------------------------------------------------------- */
407 /* audio chip descriptions - defines+functions for tda985x */
409 /* subaddresses for TDA9855 */
410 #define TDA9855_VR 0x00 /* Volume, right */
411 #define TDA9855_VL 0x01 /* Volume, left */
412 #define TDA9855_BA 0x02 /* Bass */
413 #define TDA9855_TR 0x03 /* Treble */
414 #define TDA9855_SW 0x04 /* Subwoofer - not connected on DTV2000 */
416 /* subaddresses for TDA9850 */
417 #define TDA9850_C4 0x04 /* Control 1 for TDA9850 */
419 /* subaddesses for both chips */
420 #define TDA985x_C5 0x05 /* Control 2 for TDA9850, Control 1 for TDA9855 */
421 #define TDA985x_C6 0x06 /* Control 3 for TDA9850, Control 2 for TDA9855 */
422 #define TDA985x_C7 0x07 /* Control 4 for TDA9850, Control 3 for TDA9855 */
423 #define TDA985x_A1 0x08 /* Alignment 1 for both chips */
424 #define TDA985x_A2 0x09 /* Alignment 2 for both chips */
425 #define TDA985x_A3 0x0a /* Alignment 3 for both chips */
427 /* Masks for bits in TDA9855 subaddresses */
428 /* 0x00 - VR in TDA9855 */
429 /* 0x01 - VL in TDA9855 */
430 /* lower 7 bits control gain from -71dB (0x28) to 16dB (0x7f)
431 * in 1dB steps - mute is 0x27 */
434 /* 0x02 - BA in TDA9855 */
435 /* lower 5 bits control bass gain from -12dB (0x06) to 16.5dB (0x19)
436 * in .5dB steps - 0 is 0x0E */
439 /* 0x03 - TR in TDA9855 */
440 /* 4 bits << 1 control treble gain from -12dB (0x3) to 12dB (0xb)
441 * in 3dB steps - 0 is 0x7 */
443 /* Masks for bits in both chips' subaddresses */
444 /* 0x04 - SW in TDA9855, C4/Control 1 in TDA9850 */
445 /* Unique to TDA9855: */
446 /* 4 bits << 2 control subwoofer/surround gain from -14db (0x1) to 14db (0xf)
447 * in 3dB steps - mute is 0x0 */
449 /* Unique to TDA9850: */
450 /* lower 4 bits control stereo noise threshold, over which stereo turns off
451 * set to values of 0x00 through 0x0f for Ster1 through Ster16 */
454 /* 0x05 - C5 - Control 1 in TDA9855 , Control 2 in TDA9850*/
455 /* Unique to TDA9855: */
456 #define TDA9855_MUTE 1<<7 /* GMU, Mute at outputs */
457 #define TDA9855_AVL 1<<6 /* AVL, Automatic Volume Level */
458 #define TDA9855_LOUD 1<<5 /* Loudness, 1==off */
459 #define TDA9855_SUR 1<<3 /* Surround / Subwoofer 1==.5(L-R) 0==.5(L+R) */
460 /* Bits 0 to 3 select various combinations
461 * of line in and line out, only the
462 * interesting ones are defined */
463 #define TDA9855_EXT 1<<2 /* Selects inputs LIR and LIL. Pins 41 & 12 */
464 #define TDA9855_INT 0 /* Selects inputs LOR and LOL. (internal) */
466 /* Unique to TDA9850: */
467 /* lower 4 bits contol SAP noise threshold, over which SAP turns off
468 * set to values of 0x00 through 0x0f for SAP1 through SAP16 */
471 /* 0x06 - C6 - Control 2 in TDA9855, Control 3 in TDA9850 */
472 /* Common to TDA9855 and TDA9850: */
473 #define TDA985x_SAP 3<<6 /* Selects SAP output, mute if not received */
474 #define TDA985x_STEREO 1<<6 /* Selects Stereo ouput, mono if not received */
475 #define TDA985x_MONO 0 /* Forces Mono output */
476 #define TDA985x_LMU 1<<3 /* Mute (LOR/LOL for 9855, OUTL/OUTR for 9850) */
478 /* Unique to TDA9855: */
479 #define TDA9855_TZCM 1<<5 /* If set, don't mute till zero crossing */
480 #define TDA9855_VZCM 1<<4 /* If set, don't change volume till zero crossing*/
481 #define TDA9855_LINEAR 0 /* Linear Stereo */
482 #define TDA9855_PSEUDO 1 /* Pseudo Stereo */
483 #define TDA9855_SPAT_30 2 /* Spatial Stereo, 30% anti-phase crosstalk */
484 #define TDA9855_SPAT_50 3 /* Spatial Stereo, 52% anti-phase crosstalk */
485 #define TDA9855_E_MONO 7 /* Forced mono - mono select elseware, so useless*/
487 /* 0x07 - C7 - Control 3 in TDA9855, Control 4 in TDA9850 */
488 /* Common to both TDA9855 and TDA9850: */
489 /* lower 4 bits control input gain from -3.5dB (0x0) to 4dB (0xF)
490 * in .5dB steps - 0dB is 0x7 */
492 /* 0x08, 0x09 - A1 and A2 (read/write) */
493 /* Common to both TDA9855 and TDA9850: */
494 /* lower 5 bites are wideband and spectral expander alignment
495 * from 0x00 to 0x1f - nominal at 0x0f and 0x10 (read/write) */
496 #define TDA985x_STP 1<<5 /* Stereo Pilot/detect (read-only) */
497 #define TDA985x_SAPP 1<<6 /* SAP Pilot/detect (read-only) */
498 #define TDA985x_STS 1<<7 /* Stereo trigger 1= <35mV 0= <30mV (write-only)*/
501 /* Common to both TDA9855 and TDA9850: */
502 /* lower 3 bits control timing current for alignment: -30% (0x0), -20% (0x1),
503 * -10% (0x2), nominal (0x3), +10% (0x6), +20% (0x5), +30% (0x4) */
504 #define TDA985x_ADJ 1<<7 /* Stereo adjust on/off (wideband and spectral */
506 static int tda9855_volume(int val) { return val/0x2e8+0x27; }
507 static int tda9855_bass(int val) { return val/0xccc+0x06; }
508 static int tda9855_treble(int val) { return (val/0x1c71+0x3)<<1; }
510 static int tda985x_getmode(struct CHIPSTATE *chip)
514 mode = ((TDA985x_STP | TDA985x_SAPP) &
515 chip_read(chip)) >> 4;
516 /* Add mono mode regardless of SAP and stereo */
517 /* Allows forced mono */
518 return mode | VIDEO_SOUND_MONO;
521 static void tda985x_setmode(struct CHIPSTATE *chip, int mode)
524 int c6 = chip->shadow.bytes[TDA985x_C6+1] & 0x3f;
527 case VIDEO_SOUND_MONO:
530 case VIDEO_SOUND_STEREO:
531 c6 |= TDA985x_STEREO;
533 case VIDEO_SOUND_LANG1:
540 chip_write(chip,TDA985x_C6,c6);
544 /* ---------------------------------------------------------------------- */
545 /* audio chip descriptions - defines+functions for tda9873h */
547 /* Subaddresses for TDA9873H */
549 #define TDA9873_SW 0x00 /* Switching */
550 #define TDA9873_AD 0x01 /* Adjust */
551 #define TDA9873_PT 0x02 /* Port */
553 /* Subaddress 0x00: Switching Data
556 * B1, B0: Input source selection
558 * 1, 0 external stereo
561 #define TDA9873_INP_MASK 3
562 #define TDA9873_INTERNAL 0
563 #define TDA9873_EXT_STEREO 2
564 #define TDA9873_EXT_MONO 1
566 /* B3, B2: output signal select
567 * B4 : transmission mode
570 * 1, 1, 1 Stereo (reversed channel)
577 #define TDA9873_TR_MASK (7 << 2)
578 #define TDA9873_TR_MONO 4
579 #define TDA9873_TR_STEREO 1 << 4
580 #define TDA9873_TR_REVERSE (1 << 3) & (1 << 2)
581 #define TDA9873_TR_DUALA 1 << 2
582 #define TDA9873_TR_DUALB 1 << 3
584 /* output level controls
585 * B5: output level switch (0 = reduced gain, 1 = normal gain)
586 * B6: mute (1 = muted)
587 * B7: auto-mute (1 = auto-mute enabled)
590 #define TDA9873_GAIN_NORMAL 1 << 5
591 #define TDA9873_MUTE 1 << 6
592 #define TDA9873_AUTOMUTE 1 << 7
594 /* Subaddress 0x01: Adjust/standard */
596 /* Lower 4 bits (C3..C0) control stereo adjustment on R channel (-0.6 - +0.7 dB)
597 * Recommended value is +0 dB
600 #define TDA9873_STEREO_ADJ 0x06 /* 0dB gain */
602 /* Bits C6..C4 control FM stantard
604 * 0, 0, 0 B/G (PAL FM)
613 #define TDA9873_DK1 2
614 #define TDA9873_DK2 3
615 #define TDA9873_DK3 4
618 /* C7 controls identification response time (1=fast/0=normal)
620 #define TDA9873_IDR_NORM 0
621 #define TDA9873_IDR_FAST 1 << 7
624 /* Subaddress 0x02: Port data */
626 /* E1, E0 free programmable ports P1/P2
633 #define TDA9873_PORTS 3
636 #define TDA9873_TST_PORT 1 << 2
638 /* E5..E3 control mono output channel (together with transmission mode bit B4)
643 * 0 1 0 1 mono (from stereo decoder)
645 #define TDA9873_MOUT_MONO 0
646 #define TDA9873_MOUT_FMONO 0
647 #define TDA9873_MOUT_DUALA 0
648 #define TDA9873_MOUT_DUALB 1 << 3
649 #define TDA9873_MOUT_ST 1 << 4
650 #define TDA9873_MOUT_EXTM (1 << 4 ) & (1 << 3)
651 #define TDA9873_MOUT_EXTL 1 << 5
652 #define TDA9873_MOUT_EXTR (1 << 5 ) & (1 << 3)
653 #define TDA9873_MOUT_EXTLR (1 << 5 ) & (1 << 4)
654 #define TDA9873_MOUT_MUTE (1 << 5 ) & (1 << 4) & (1 << 3)
656 /* Status bits: (chip read) */
657 #define TDA9873_PONR 0 /* Power-on reset detected if = 1 */
658 #define TDA9873_STEREO 2 /* Stereo sound is identified */
659 #define TDA9873_DUAL 4 /* Dual sound is identified */
661 static int tda9873_getmode(struct CHIPSTATE *chip)
665 val = chip_read(chip);
666 mode = VIDEO_SOUND_MONO;
667 if (val & TDA9873_STEREO)
668 mode |= VIDEO_SOUND_STEREO;
669 if (val & TDA9873_DUAL)
670 mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2;
671 tvaudio_dbg ("tda9873_getmode(): raw chip read: %d, return: %d\n",
676 static void tda9873_setmode(struct CHIPSTATE *chip, int mode)
678 int sw_data = chip->shadow.bytes[TDA9873_SW+1] & ~ TDA9873_TR_MASK;
679 /* int adj_data = chip->shadow.bytes[TDA9873_AD+1] ; */
681 if ((sw_data & TDA9873_INP_MASK) != TDA9873_INTERNAL) {
682 tvaudio_dbg("tda9873_setmode(): external input\n");
686 tvaudio_dbg("tda9873_setmode(): chip->shadow.bytes[%d] = %d\n", TDA9873_SW+1, chip->shadow.bytes[TDA9873_SW+1]);
687 tvaudio_dbg("tda9873_setmode(): sw_data = %d\n", sw_data);
690 case VIDEO_SOUND_MONO:
691 sw_data |= TDA9873_TR_MONO;
693 case VIDEO_SOUND_STEREO:
694 sw_data |= TDA9873_TR_STEREO;
696 case VIDEO_SOUND_LANG1:
697 sw_data |= TDA9873_TR_DUALA;
699 case VIDEO_SOUND_LANG2:
700 sw_data |= TDA9873_TR_DUALB;
707 chip_write(chip, TDA9873_SW, sw_data);
708 tvaudio_dbg("tda9873_setmode(): req. mode %d; chip_write: %d\n",
712 static int tda9873_checkit(struct CHIPSTATE *chip)
716 if (-1 == (rc = chip_read2(chip,254)))
718 return (rc & ~0x1f) == 0x80;
722 /* ---------------------------------------------------------------------- */
723 /* audio chip description - defines+functions for tda9874h and tda9874a */
724 /* Dariusz Kowalewski <darekk@automex.pl> */
726 /* Subaddresses for TDA9874H and TDA9874A (slave rx) */
727 #define TDA9874A_AGCGR 0x00 /* AGC gain */
728 #define TDA9874A_GCONR 0x01 /* general config */
729 #define TDA9874A_MSR 0x02 /* monitor select */
730 #define TDA9874A_C1FRA 0x03 /* carrier 1 freq. */
731 #define TDA9874A_C1FRB 0x04 /* carrier 1 freq. */
732 #define TDA9874A_C1FRC 0x05 /* carrier 1 freq. */
733 #define TDA9874A_C2FRA 0x06 /* carrier 2 freq. */
734 #define TDA9874A_C2FRB 0x07 /* carrier 2 freq. */
735 #define TDA9874A_C2FRC 0x08 /* carrier 2 freq. */
736 #define TDA9874A_DCR 0x09 /* demodulator config */
737 #define TDA9874A_FMER 0x0a /* FM de-emphasis */
738 #define TDA9874A_FMMR 0x0b /* FM dematrix */
739 #define TDA9874A_C1OLAR 0x0c /* ch.1 output level adj. */
740 #define TDA9874A_C2OLAR 0x0d /* ch.2 output level adj. */
741 #define TDA9874A_NCONR 0x0e /* NICAM config */
742 #define TDA9874A_NOLAR 0x0f /* NICAM output level adj. */
743 #define TDA9874A_NLELR 0x10 /* NICAM lower error limit */
744 #define TDA9874A_NUELR 0x11 /* NICAM upper error limit */
745 #define TDA9874A_AMCONR 0x12 /* audio mute control */
746 #define TDA9874A_SDACOSR 0x13 /* stereo DAC output select */
747 #define TDA9874A_AOSR 0x14 /* analog output select */
748 #define TDA9874A_DAICONR 0x15 /* digital audio interface config */
749 #define TDA9874A_I2SOSR 0x16 /* I2S-bus output select */
750 #define TDA9874A_I2SOLAR 0x17 /* I2S-bus output level adj. */
751 #define TDA9874A_MDACOSR 0x18 /* mono DAC output select (tda9874a) */
752 #define TDA9874A_ESP 0xFF /* easy standard progr. (tda9874a) */
754 /* Subaddresses for TDA9874H and TDA9874A (slave tx) */
755 #define TDA9874A_DSR 0x00 /* device status */
756 #define TDA9874A_NSR 0x01 /* NICAM status */
757 #define TDA9874A_NECR 0x02 /* NICAM error count */
758 #define TDA9874A_DR1 0x03 /* add. data LSB */
759 #define TDA9874A_DR2 0x04 /* add. data MSB */
760 #define TDA9874A_LLRA 0x05 /* monitor level read-out LSB */
761 #define TDA9874A_LLRB 0x06 /* monitor level read-out MSB */
762 #define TDA9874A_SIFLR 0x07 /* SIF level */
763 #define TDA9874A_TR2 252 /* test reg. 2 */
764 #define TDA9874A_TR1 253 /* test reg. 1 */
765 #define TDA9874A_DIC 254 /* device id. code */
766 #define TDA9874A_SIC 255 /* software id. code */
769 static int tda9874a_mode = 1; /* 0: A2, 1: NICAM */
770 static int tda9874a_GCONR = 0xc0; /* default config. input pin: SIFSEL=0 */
771 static int tda9874a_NCONR = 0x01; /* default NICAM config.: AMSEL=0,AMUTE=1 */
772 static int tda9874a_ESP = 0x07; /* default standard: NICAM D/K */
773 static int tda9874a_dic = -1; /* device id. code */
775 /* insmod options for tda9874a */
776 static unsigned int tda9874a_SIF = UNSET;
777 static unsigned int tda9874a_AMSEL = UNSET;
778 static unsigned int tda9874a_STD = UNSET;
779 module_param(tda9874a_SIF, int, 0444);
780 module_param(tda9874a_AMSEL, int, 0444);
781 module_param(tda9874a_STD, int, 0444);
784 * initialization table for tda9874 decoder:
785 * - carrier 1 freq. registers (3 bytes)
786 * - carrier 2 freq. registers (3 bytes)
787 * - demudulator config register
788 * - FM de-emphasis register (slow identification mode)
789 * Note: frequency registers must be written in single i2c transfer.
791 static struct tda9874a_MODES {
794 } tda9874a_modelist[9] = {
796 { 9, { TDA9874A_C1FRA, 0x72,0x95,0x55, 0x77,0xA0,0x00, 0x00,0x00 }} },
798 { 9, { TDA9874A_C1FRA, 0x5D,0xC0,0x00, 0x62,0x6A,0xAA, 0x20,0x22 }} },
800 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x82,0x60,0x00, 0x00,0x00 }} },
802 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x8C,0x75,0x55, 0x00,0x00 }} },
804 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x77,0xA0,0x00, 0x00,0x00 }} },
806 { 9, { TDA9874A_C1FRA, 0x7D,0x00,0x00, 0x88,0x8A,0xAA, 0x08,0x33 }} },
808 { 9, { TDA9874A_C1FRA, 0x72,0x95,0x55, 0x79,0xEA,0xAA, 0x08,0x33 }} },
809 { "NICAM, D/K", /* default */
810 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x79,0xEA,0xAA, 0x08,0x33 }} },
812 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x79,0xEA,0xAA, 0x09,0x33 }} }
815 static int tda9874a_setup(struct CHIPSTATE *chip)
817 chip_write(chip, TDA9874A_AGCGR, 0x00); /* 0 dB */
818 chip_write(chip, TDA9874A_GCONR, tda9874a_GCONR);
819 chip_write(chip, TDA9874A_MSR, (tda9874a_mode) ? 0x03:0x02);
820 if(tda9874a_dic == 0x11) {
821 chip_write(chip, TDA9874A_FMMR, 0x80);
822 } else { /* dic == 0x07 */
823 chip_cmd(chip,"tda9874_modelist",&tda9874a_modelist[tda9874a_STD].cmd);
824 chip_write(chip, TDA9874A_FMMR, 0x00);
826 chip_write(chip, TDA9874A_C1OLAR, 0x00); /* 0 dB */
827 chip_write(chip, TDA9874A_C2OLAR, 0x00); /* 0 dB */
828 chip_write(chip, TDA9874A_NCONR, tda9874a_NCONR);
829 chip_write(chip, TDA9874A_NOLAR, 0x00); /* 0 dB */
830 /* Note: If signal quality is poor you may want to change NICAM */
831 /* error limit registers (NLELR and NUELR) to some greater values. */
832 /* Then the sound would remain stereo, but won't be so clear. */
833 chip_write(chip, TDA9874A_NLELR, 0x14); /* default */
834 chip_write(chip, TDA9874A_NUELR, 0x50); /* default */
836 if(tda9874a_dic == 0x11) {
837 chip_write(chip, TDA9874A_AMCONR, 0xf9);
838 chip_write(chip, TDA9874A_SDACOSR, (tda9874a_mode) ? 0x81:0x80);
839 chip_write(chip, TDA9874A_AOSR, 0x80);
840 chip_write(chip, TDA9874A_MDACOSR, (tda9874a_mode) ? 0x82:0x80);
841 chip_write(chip, TDA9874A_ESP, tda9874a_ESP);
842 } else { /* dic == 0x07 */
843 chip_write(chip, TDA9874A_AMCONR, 0xfb);
844 chip_write(chip, TDA9874A_SDACOSR, (tda9874a_mode) ? 0x81:0x80);
845 chip_write(chip, TDA9874A_AOSR, 0x00); /* or 0x10 */
847 tvaudio_dbg("tda9874a_setup(): %s [0x%02X].\n",
848 tda9874a_modelist[tda9874a_STD].name,tda9874a_STD);
852 static int tda9874a_getmode(struct CHIPSTATE *chip)
855 int necr; /* just for debugging */
857 mode = VIDEO_SOUND_MONO;
859 if(-1 == (dsr = chip_read2(chip,TDA9874A_DSR)))
861 if(-1 == (nsr = chip_read2(chip,TDA9874A_NSR)))
863 if(-1 == (necr = chip_read2(chip,TDA9874A_NECR)))
866 /* need to store dsr/nsr somewhere */
867 chip->shadow.bytes[MAXREGS-2] = dsr;
868 chip->shadow.bytes[MAXREGS-1] = nsr;
871 /* Note: DSR.RSSF and DSR.AMSTAT bits are also checked.
872 * If NICAM auto-muting is enabled, DSR.AMSTAT=1 indicates
873 * that sound has (temporarily) switched from NICAM to
874 * mono FM (or AM) on 1st sound carrier due to high NICAM bit
875 * error count. So in fact there is no stereo in this case :-(
876 * But changing the mode to VIDEO_SOUND_MONO would switch
877 * external 4052 multiplexer in audio_hook().
879 if(nsr & 0x02) /* NSR.S/MB=1 */
880 mode |= VIDEO_SOUND_STEREO;
881 if(nsr & 0x01) /* NSR.D/SB=1 */
882 mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2;
884 if(dsr & 0x02) /* DSR.IDSTE=1 */
885 mode |= VIDEO_SOUND_STEREO;
886 if(dsr & 0x04) /* DSR.IDDUA=1 */
887 mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2;
890 tvaudio_dbg("tda9874a_getmode(): DSR=0x%X, NSR=0x%X, NECR=0x%X, return: %d.\n",
891 dsr, nsr, necr, mode);
895 static void tda9874a_setmode(struct CHIPSTATE *chip, int mode)
897 /* Disable/enable NICAM auto-muting (based on DSR.RSSF status bit). */
898 /* If auto-muting is disabled, we can hear a signal of degrading quality. */
900 if(chip->shadow.bytes[MAXREGS-2] & 0x20) /* DSR.RSSF=1 */
901 tda9874a_NCONR &= 0xfe; /* enable */
903 tda9874a_NCONR |= 0x01; /* disable */
904 chip_write(chip, TDA9874A_NCONR, tda9874a_NCONR);
907 /* Note: TDA9874A supports automatic FM dematrixing (FMMR register)
908 * and has auto-select function for audio output (AOSR register).
909 * Old TDA9874H doesn't support these features.
910 * TDA9874A also has additional mono output pin (OUTM), which
911 * on same (all?) tv-cards is not used, anyway (as well as MONOIN).
913 if(tda9874a_dic == 0x11) {
915 int mdacosr = (tda9874a_mode) ? 0x82:0x80;
918 case VIDEO_SOUND_MONO:
919 case VIDEO_SOUND_STEREO:
921 case VIDEO_SOUND_LANG1:
922 aosr = 0x80; /* auto-select, dual A/A */
923 mdacosr = (tda9874a_mode) ? 0x82:0x80;
925 case VIDEO_SOUND_LANG2:
926 aosr = 0xa0; /* auto-select, dual B/B */
927 mdacosr = (tda9874a_mode) ? 0x83:0x81;
933 chip_write(chip, TDA9874A_AOSR, aosr);
934 chip_write(chip, TDA9874A_MDACOSR, mdacosr);
936 tvaudio_dbg("tda9874a_setmode(): req. mode %d; AOSR=0x%X, MDACOSR=0x%X.\n",
937 mode, aosr, mdacosr);
939 } else { /* dic == 0x07 */
943 case VIDEO_SOUND_MONO:
944 fmmr = 0x00; /* mono */
945 aosr = 0x10; /* A/A */
947 case VIDEO_SOUND_STEREO:
950 aosr = 0x00; /* handled by NICAM auto-mute */
952 fmmr = (tda9874a_ESP == 1) ? 0x05 : 0x04; /* stereo */
956 case VIDEO_SOUND_LANG1:
957 fmmr = 0x02; /* dual */
958 aosr = 0x10; /* dual A/A */
960 case VIDEO_SOUND_LANG2:
961 fmmr = 0x02; /* dual */
962 aosr = 0x20; /* dual B/B */
968 chip_write(chip, TDA9874A_FMMR, fmmr);
969 chip_write(chip, TDA9874A_AOSR, aosr);
971 tvaudio_dbg("tda9874a_setmode(): req. mode %d; FMMR=0x%X, AOSR=0x%X.\n",
976 static int tda9874a_checkit(struct CHIPSTATE *chip)
978 int dic,sic; /* device id. and software id. codes */
980 if(-1 == (dic = chip_read2(chip,TDA9874A_DIC)))
982 if(-1 == (sic = chip_read2(chip,TDA9874A_SIC)))
985 tvaudio_dbg("tda9874a_checkit(): DIC=0x%X, SIC=0x%X.\n", dic, sic);
987 if((dic == 0x11)||(dic == 0x07)) {
988 tvaudio_info("found tda9874%s.\n", (dic == 0x11) ? "a":"h");
989 tda9874a_dic = dic; /* remember device id. */
992 return 0; /* not found */
995 static int tda9874a_initialize(struct CHIPSTATE *chip)
997 if (tda9874a_SIF > 2)
999 if (tda9874a_STD > 8)
1001 if(tda9874a_AMSEL > 1)
1004 if(tda9874a_SIF == 1)
1005 tda9874a_GCONR = 0xc0; /* sound IF input 1 */
1007 tda9874a_GCONR = 0xc1; /* sound IF input 2 */
1009 tda9874a_ESP = tda9874a_STD;
1010 tda9874a_mode = (tda9874a_STD < 5) ? 0 : 1;
1012 if(tda9874a_AMSEL == 0)
1013 tda9874a_NCONR = 0x01; /* auto-mute: analog mono input */
1015 tda9874a_NCONR = 0x05; /* auto-mute: 1st carrier FM or AM */
1017 tda9874a_setup(chip);
1022 /* ---------------------------------------------------------------------- */
1023 /* audio chip descriptions - defines+functions for tea6420 */
1025 #define TEA6300_VL 0x00 /* volume left */
1026 #define TEA6300_VR 0x01 /* volume right */
1027 #define TEA6300_BA 0x02 /* bass */
1028 #define TEA6300_TR 0x03 /* treble */
1029 #define TEA6300_FA 0x04 /* fader control */
1030 #define TEA6300_S 0x05 /* switch register */
1031 /* values for those registers: */
1032 #define TEA6300_S_SA 0x01 /* stereo A input */
1033 #define TEA6300_S_SB 0x02 /* stereo B */
1034 #define TEA6300_S_SC 0x04 /* stereo C */
1035 #define TEA6300_S_GMU 0x80 /* general mute */
1037 #define TEA6320_V 0x00 /* volume (0-5)/loudness off (6)/zero crossing mute(7) */
1038 #define TEA6320_FFR 0x01 /* fader front right (0-5) */
1039 #define TEA6320_FFL 0x02 /* fader front left (0-5) */
1040 #define TEA6320_FRR 0x03 /* fader rear right (0-5) */
1041 #define TEA6320_FRL 0x04 /* fader rear left (0-5) */
1042 #define TEA6320_BA 0x05 /* bass (0-4) */
1043 #define TEA6320_TR 0x06 /* treble (0-4) */
1044 #define TEA6320_S 0x07 /* switch register */
1045 /* values for those registers: */
1046 #define TEA6320_S_SA 0x07 /* stereo A input */
1047 #define TEA6320_S_SB 0x06 /* stereo B */
1048 #define TEA6320_S_SC 0x05 /* stereo C */
1049 #define TEA6320_S_SD 0x04 /* stereo D */
1050 #define TEA6320_S_GMU 0x80 /* general mute */
1052 #define TEA6420_S_SA 0x00 /* stereo A input */
1053 #define TEA6420_S_SB 0x01 /* stereo B */
1054 #define TEA6420_S_SC 0x02 /* stereo C */
1055 #define TEA6420_S_SD 0x03 /* stereo D */
1056 #define TEA6420_S_SE 0x04 /* stereo E */
1057 #define TEA6420_S_GMU 0x05 /* general mute */
1059 static int tea6300_shift10(int val) { return val >> 10; }
1060 static int tea6300_shift12(int val) { return val >> 12; }
1062 /* Assumes 16bit input (values 0x3f to 0x0c are unique, values less than */
1063 /* 0x0c mirror those immediately higher) */
1064 static int tea6320_volume(int val) { return (val / (65535/(63-12)) + 12) & 0x3f; }
1065 static int tea6320_shift11(int val) { return val >> 11; }
1066 static int tea6320_initialize(struct CHIPSTATE * chip)
1068 chip_write(chip, TEA6320_FFR, 0x3f);
1069 chip_write(chip, TEA6320_FFL, 0x3f);
1070 chip_write(chip, TEA6320_FRR, 0x3f);
1071 chip_write(chip, TEA6320_FRL, 0x3f);
1077 /* ---------------------------------------------------------------------- */
1078 /* audio chip descriptions - defines+functions for tda8425 */
1080 #define TDA8425_VL 0x00 /* volume left */
1081 #define TDA8425_VR 0x01 /* volume right */
1082 #define TDA8425_BA 0x02 /* bass */
1083 #define TDA8425_TR 0x03 /* treble */
1084 #define TDA8425_S1 0x08 /* switch functions */
1085 /* values for those registers: */
1086 #define TDA8425_S1_OFF 0xEE /* audio off (mute on) */
1087 #define TDA8425_S1_CH1 0xCE /* audio channel 1 (mute off) - "linear stereo" mode */
1088 #define TDA8425_S1_CH2 0xCF /* audio channel 2 (mute off) - "linear stereo" mode */
1089 #define TDA8425_S1_MU 0x20 /* mute bit */
1090 #define TDA8425_S1_STEREO 0x18 /* stereo bits */
1091 #define TDA8425_S1_STEREO_SPATIAL 0x18 /* spatial stereo */
1092 #define TDA8425_S1_STEREO_LINEAR 0x08 /* linear stereo */
1093 #define TDA8425_S1_STEREO_PSEUDO 0x10 /* pseudo stereo */
1094 #define TDA8425_S1_STEREO_MONO 0x00 /* forced mono */
1095 #define TDA8425_S1_ML 0x06 /* language selector */
1096 #define TDA8425_S1_ML_SOUND_A 0x02 /* sound a */
1097 #define TDA8425_S1_ML_SOUND_B 0x04 /* sound b */
1098 #define TDA8425_S1_ML_STEREO 0x06 /* stereo */
1099 #define TDA8425_S1_IS 0x01 /* channel selector */
1102 static int tda8425_shift10(int val) { return (val >> 10) | 0xc0; }
1103 static int tda8425_shift12(int val) { return (val >> 12) | 0xf0; }
1105 static int tda8425_initialize(struct CHIPSTATE *chip)
1107 struct CHIPDESC *desc = chiplist + chip->type;
1108 int inputmap[8] = { /* tuner */ TDA8425_S1_CH2, /* radio */ TDA8425_S1_CH1,
1109 /* extern */ TDA8425_S1_CH1, /* intern */ TDA8425_S1_OFF,
1110 /* off */ TDA8425_S1_OFF, /* on */ TDA8425_S1_CH2};
1112 if (chip->c.adapter->id == I2C_HW_B_RIVA) {
1113 memcpy (desc->inputmap, inputmap, sizeof (inputmap));
1118 static void tda8425_setmode(struct CHIPSTATE *chip, int mode)
1120 int s1 = chip->shadow.bytes[TDA8425_S1+1] & 0xe1;
1122 if (mode & VIDEO_SOUND_LANG1) {
1123 s1 |= TDA8425_S1_ML_SOUND_A;
1124 s1 |= TDA8425_S1_STEREO_PSEUDO;
1126 } else if (mode & VIDEO_SOUND_LANG2) {
1127 s1 |= TDA8425_S1_ML_SOUND_B;
1128 s1 |= TDA8425_S1_STEREO_PSEUDO;
1131 s1 |= TDA8425_S1_ML_STEREO;
1133 if (mode & VIDEO_SOUND_MONO)
1134 s1 |= TDA8425_S1_STEREO_MONO;
1135 if (mode & VIDEO_SOUND_STEREO)
1136 s1 |= TDA8425_S1_STEREO_SPATIAL;
1138 chip_write(chip,TDA8425_S1,s1);
1142 /* ---------------------------------------------------------------------- */
1143 /* audio chip descriptions - defines+functions for pic16c54 (PV951) */
1145 /* the registers of 16C54, I2C sub address. */
1146 #define PIC16C54_REG_KEY_CODE 0x01 /* Not use. */
1147 #define PIC16C54_REG_MISC 0x02
1149 /* bit definition of the RESET register, I2C data. */
1150 #define PIC16C54_MISC_RESET_REMOTE_CTL 0x01 /* bit 0, Reset to receive the key */
1151 /* code of remote controller */
1152 #define PIC16C54_MISC_MTS_MAIN 0x02 /* bit 1 */
1153 #define PIC16C54_MISC_MTS_SAP 0x04 /* bit 2 */
1154 #define PIC16C54_MISC_MTS_BOTH 0x08 /* bit 3 */
1155 #define PIC16C54_MISC_SND_MUTE 0x10 /* bit 4, Mute Audio(Line-in and Tuner) */
1156 #define PIC16C54_MISC_SND_NOTMUTE 0x20 /* bit 5 */
1157 #define PIC16C54_MISC_SWITCH_TUNER 0x40 /* bit 6 , Switch to Line-in */
1158 #define PIC16C54_MISC_SWITCH_LINE 0x80 /* bit 7 , Switch to Tuner */
1160 /* ---------------------------------------------------------------------- */
1161 /* audio chip descriptions - defines+functions for TA8874Z */
1163 /* write 1st byte */
1164 #define TA8874Z_LED_STE 0x80
1165 #define TA8874Z_LED_BIL 0x40
1166 #define TA8874Z_LED_EXT 0x20
1167 #define TA8874Z_MONO_SET 0x10
1168 #define TA8874Z_MUTE 0x08
1169 #define TA8874Z_F_MONO 0x04
1170 #define TA8874Z_MODE_SUB 0x02
1171 #define TA8874Z_MODE_MAIN 0x01
1173 /* write 2nd byte */
1174 /*#define TA8874Z_TI 0x80 */ /* test mode */
1175 #define TA8874Z_SEPARATION 0x3f
1176 #define TA8874Z_SEPARATION_DEFAULT 0x10
1179 #define TA8874Z_B1 0x80
1180 #define TA8874Z_B0 0x40
1181 #define TA8874Z_CHAG_FLAG 0x20
1189 static int ta8874z_getmode(struct CHIPSTATE *chip)
1193 val = chip_read(chip);
1194 mode = VIDEO_SOUND_MONO;
1195 if (val & TA8874Z_B1){
1196 mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2;
1197 }else if (!(val & TA8874Z_B0)){
1198 mode |= VIDEO_SOUND_STEREO;
1200 /* tvaudio_dbg ("ta8874z_getmode(): raw chip read: 0x%02x, return: 0x%02x\n", val, mode); */
1204 static audiocmd ta8874z_stereo = { 2, {0, TA8874Z_SEPARATION_DEFAULT}};
1205 static audiocmd ta8874z_mono = {2, { TA8874Z_MONO_SET, TA8874Z_SEPARATION_DEFAULT}};
1206 static audiocmd ta8874z_main = {2, { 0, TA8874Z_SEPARATION_DEFAULT}};
1207 static audiocmd ta8874z_sub = {2, { TA8874Z_MODE_SUB, TA8874Z_SEPARATION_DEFAULT}};
1209 static void ta8874z_setmode(struct CHIPSTATE *chip, int mode)
1213 tvaudio_dbg("ta8874z_setmode(): mode: 0x%02x\n", mode);
1216 case VIDEO_SOUND_MONO:
1219 case VIDEO_SOUND_STEREO:
1220 t = &ta8874z_stereo;
1222 case VIDEO_SOUND_LANG1:
1225 case VIDEO_SOUND_LANG2:
1233 chip_cmd(chip, "TA8874Z", t);
1236 static int ta8874z_checkit(struct CHIPSTATE *chip)
1239 rc = chip_read(chip);
1240 return ((rc & 0x1f) == 0x1f) ? 1 : 0;
1243 /* ---------------------------------------------------------------------- */
1244 /* audio chip descriptions - struct CHIPDESC */
1246 /* insmod options to enable/disable individual audio chips */
1247 static int tda8425 = 1;
1248 static int tda9840 = 1;
1249 static int tda9850 = 1;
1250 static int tda9855 = 1;
1251 static int tda9873 = 1;
1252 static int tda9874a = 1;
1253 static int tea6300 = 0; /* address clash with msp34xx */
1254 static int tea6320 = 0; /* address clash with msp34xx */
1255 static int tea6420 = 1;
1256 static int pic16c54 = 1;
1257 static int ta8874z = 0; /* address clash with tda9840 */
1259 module_param(tda8425, int, 0444);
1260 module_param(tda9840, int, 0444);
1261 module_param(tda9850, int, 0444);
1262 module_param(tda9855, int, 0444);
1263 module_param(tda9873, int, 0444);
1264 module_param(tda9874a, int, 0444);
1265 module_param(tea6300, int, 0444);
1266 module_param(tea6320, int, 0444);
1267 module_param(tea6420, int, 0444);
1268 module_param(pic16c54, int, 0444);
1269 module_param(ta8874z, int, 0444);
1271 static struct CHIPDESC chiplist[] = {
1274 .id = I2C_DRIVERID_TDA9840,
1275 .insmodopt = &tda9840,
1276 .addr_lo = I2C_TDA9840 >> 1,
1277 .addr_hi = I2C_TDA9840 >> 1,
1280 .getmode = tda9840_getmode,
1281 .setmode = tda9840_setmode,
1282 .checkmode = generic_checkmode,
1284 .init = { 2, { TDA9840_TEST, TDA9840_TEST_INT1SN
1285 /* ,TDA9840_SW, TDA9840_MONO */} }
1289 .id = I2C_DRIVERID_TDA9873,
1290 .checkit = tda9873_checkit,
1291 .insmodopt = &tda9873,
1292 .addr_lo = I2C_TDA985x_L >> 1,
1293 .addr_hi = I2C_TDA985x_H >> 1,
1295 .flags = CHIP_HAS_INPUTSEL,
1297 .getmode = tda9873_getmode,
1298 .setmode = tda9873_setmode,
1299 .checkmode = generic_checkmode,
1301 .init = { 4, { TDA9873_SW, 0xa4, 0x06, 0x03 } },
1302 .inputreg = TDA9873_SW,
1303 .inputmute = TDA9873_MUTE | TDA9873_AUTOMUTE,
1304 .inputmap = {0xa0, 0xa2, 0xa0, 0xa0, 0xc0},
1305 .inputmask = TDA9873_INP_MASK|TDA9873_MUTE|TDA9873_AUTOMUTE,
1309 .name = "tda9874h/a",
1310 .id = I2C_DRIVERID_TDA9874,
1311 .checkit = tda9874a_checkit,
1312 .initialize = tda9874a_initialize,
1313 .insmodopt = &tda9874a,
1314 .addr_lo = I2C_TDA9874 >> 1,
1315 .addr_hi = I2C_TDA9874 >> 1,
1317 .getmode = tda9874a_getmode,
1318 .setmode = tda9874a_setmode,
1319 .checkmode = generic_checkmode,
1323 .id = I2C_DRIVERID_TDA9850,
1324 .insmodopt = &tda9850,
1325 .addr_lo = I2C_TDA985x_L >> 1,
1326 .addr_hi = I2C_TDA985x_H >> 1,
1329 .getmode = tda985x_getmode,
1330 .setmode = tda985x_setmode,
1332 .init = { 8, { TDA9850_C4, 0x08, 0x08, TDA985x_STEREO, 0x07, 0x10, 0x10, 0x03 } }
1336 .id = I2C_DRIVERID_TDA9855,
1337 .insmodopt = &tda9855,
1338 .addr_lo = I2C_TDA985x_L >> 1,
1339 .addr_hi = I2C_TDA985x_H >> 1,
1341 .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE,
1343 .leftreg = TDA9855_VL,
1344 .rightreg = TDA9855_VR,
1345 .bassreg = TDA9855_BA,
1346 .treblereg = TDA9855_TR,
1347 .volfunc = tda9855_volume,
1348 .bassfunc = tda9855_bass,
1349 .treblefunc = tda9855_treble,
1351 .getmode = tda985x_getmode,
1352 .setmode = tda985x_setmode,
1354 .init = { 12, { 0, 0x6f, 0x6f, 0x0e, 0x07<<1, 0x8<<2,
1355 TDA9855_MUTE | TDA9855_AVL | TDA9855_LOUD | TDA9855_INT,
1356 TDA985x_STEREO | TDA9855_LINEAR | TDA9855_TZCM | TDA9855_VZCM,
1357 0x07, 0x10, 0x10, 0x03 }}
1361 .id = I2C_DRIVERID_TEA6300,
1362 .insmodopt = &tea6300,
1363 .addr_lo = I2C_TEA6300 >> 1,
1364 .addr_hi = I2C_TEA6300 >> 1,
1366 .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL,
1368 .leftreg = TEA6300_VR,
1369 .rightreg = TEA6300_VL,
1370 .bassreg = TEA6300_BA,
1371 .treblereg = TEA6300_TR,
1372 .volfunc = tea6300_shift10,
1373 .bassfunc = tea6300_shift12,
1374 .treblefunc = tea6300_shift12,
1376 .inputreg = TEA6300_S,
1377 .inputmap = { TEA6300_S_SA, TEA6300_S_SB, TEA6300_S_SC },
1378 .inputmute = TEA6300_S_GMU,
1382 .id = I2C_DRIVERID_TEA6300,
1383 .initialize = tea6320_initialize,
1384 .insmodopt = &tea6320,
1385 .addr_lo = I2C_TEA6300 >> 1,
1386 .addr_hi = I2C_TEA6300 >> 1,
1388 .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL,
1390 .leftreg = TEA6320_V,
1391 .rightreg = TEA6320_V,
1392 .bassreg = TEA6320_BA,
1393 .treblereg = TEA6320_TR,
1394 .volfunc = tea6320_volume,
1395 .bassfunc = tea6320_shift11,
1396 .treblefunc = tea6320_shift11,
1398 .inputreg = TEA6320_S,
1399 .inputmap = { TEA6320_S_SA, TEA6420_S_SB, TEA6300_S_SC, TEA6320_S_SD },
1400 .inputmute = TEA6300_S_GMU,
1404 .id = I2C_DRIVERID_TEA6420,
1405 .insmodopt = &tea6420,
1406 .addr_lo = I2C_TEA6420 >> 1,
1407 .addr_hi = I2C_TEA6420 >> 1,
1409 .flags = CHIP_HAS_INPUTSEL,
1412 .inputmap = { TEA6420_S_SA, TEA6420_S_SB, TEA6420_S_SC },
1413 .inputmute = TEA6300_S_GMU,
1417 .id = I2C_DRIVERID_TDA8425,
1418 .insmodopt = &tda8425,
1419 .addr_lo = I2C_TDA8425 >> 1,
1420 .addr_hi = I2C_TDA8425 >> 1,
1422 .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL,
1424 .leftreg = TDA8425_VL,
1425 .rightreg = TDA8425_VR,
1426 .bassreg = TDA8425_BA,
1427 .treblereg = TDA8425_TR,
1428 .volfunc = tda8425_shift10,
1429 .bassfunc = tda8425_shift12,
1430 .treblefunc = tda8425_shift12,
1432 .inputreg = TDA8425_S1,
1433 .inputmap = { TDA8425_S1_CH1, TDA8425_S1_CH1, TDA8425_S1_CH1 },
1434 .inputmute = TDA8425_S1_OFF,
1436 .setmode = tda8425_setmode,
1437 .initialize = tda8425_initialize,
1440 .name = "pic16c54 (PV951)",
1441 .id = I2C_DRIVERID_PIC16C54_PV951,
1442 .insmodopt = &pic16c54,
1443 .addr_lo = I2C_PIC16C54 >> 1,
1444 .addr_hi = I2C_PIC16C54>> 1,
1446 .flags = CHIP_HAS_INPUTSEL,
1448 .inputreg = PIC16C54_REG_MISC,
1449 .inputmap = {PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_TUNER,
1450 PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_LINE,
1451 PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_LINE,
1452 PIC16C54_MISC_SND_MUTE,PIC16C54_MISC_SND_MUTE,
1453 PIC16C54_MISC_SND_NOTMUTE},
1454 .inputmute = PIC16C54_MISC_SND_MUTE,
1459 /*.id = I2C_DRIVERID_TA8874Z, */
1460 .checkit = ta8874z_checkit,
1461 .insmodopt = &ta8874z,
1462 .addr_lo = I2C_TDA9840 >> 1,
1463 .addr_hi = I2C_TDA9840 >> 1,
1466 .getmode = ta8874z_getmode,
1467 .setmode = ta8874z_setmode,
1468 .checkmode = generic_checkmode,
1470 .init = {2, { TA8874Z_MONO_SET, TA8874Z_SEPARATION_DEFAULT}},
1472 { .name = NULL } /* EOF */
1476 /* ---------------------------------------------------------------------- */
1477 /* i2c registration */
1479 static int chip_attach(struct i2c_adapter *adap, int addr, int kind)
1481 struct CHIPSTATE *chip;
1482 struct CHIPDESC *desc;
1484 chip = kmalloc(sizeof(*chip),GFP_KERNEL);
1487 memset(chip,0,sizeof(*chip));
1488 memcpy(&chip->c,&client_template,sizeof(struct i2c_client));
1489 chip->c.adapter = adap;
1490 chip->c.addr = addr;
1491 i2c_set_clientdata(&chip->c, chip);
1493 /* find description for the chip */
1494 tvaudio_dbg("chip found @ 0x%x\n", addr<<1);
1495 for (desc = chiplist; desc->name != NULL; desc++) {
1496 if (0 == *(desc->insmodopt))
1498 if (addr < desc->addr_lo ||
1499 addr > desc->addr_hi)
1501 if (desc->checkit && !desc->checkit(chip))
1505 if (desc->name == NULL) {
1506 tvaudio_dbg("no matching chip description found\n");
1509 tvaudio_info("%s found @ 0x%x (%s)\n", desc->name, addr<<1, adap->name);
1511 tvaudio_dbg("matches:%s%s%s.\n",
1512 (desc->flags & CHIP_HAS_VOLUME) ? " volume" : "",
1513 (desc->flags & CHIP_HAS_BASSTREBLE) ? " bass/treble" : "",
1514 (desc->flags & CHIP_HAS_INPUTSEL) ? " audiomux" : "");
1517 /* fill required data structures */
1518 strcpy(chip->c.name,desc->name);
1519 chip->type = desc-chiplist;
1520 chip->shadow.count = desc->registers+1;
1521 chip->prevmode = -1;
1523 i2c_attach_client(&chip->c);
1525 /* initialization */
1526 if (desc->initialize != NULL)
1527 desc->initialize(chip);
1529 chip_cmd(chip,"init",&desc->init);
1531 if (desc->flags & CHIP_HAS_VOLUME) {
1532 chip->left = desc->leftinit ? desc->leftinit : 65535;
1533 chip->right = desc->rightinit ? desc->rightinit : 65535;
1534 chip_write(chip,desc->leftreg,desc->volfunc(chip->left));
1535 chip_write(chip,desc->rightreg,desc->volfunc(chip->right));
1537 if (desc->flags & CHIP_HAS_BASSTREBLE) {
1538 chip->treble = desc->trebleinit ? desc->trebleinit : 32768;
1539 chip->bass = desc->bassinit ? desc->bassinit : 32768;
1540 chip_write(chip,desc->bassreg,desc->bassfunc(chip->bass));
1541 chip_write(chip,desc->treblereg,desc->treblefunc(chip->treble));
1545 if (desc->checkmode) {
1546 /* start async thread */
1547 init_timer(&chip->wt);
1548 chip->wt.function = chip_thread_wake;
1549 chip->wt.data = (unsigned long)chip;
1550 init_waitqueue_head(&chip->wq);
1551 init_completion(&chip->texit);
1552 chip->tpid = kernel_thread(chip_thread,(void *)chip,0);
1554 tvaudio_warn("%s: kernel_thread() failed\n",
1556 wake_up_interruptible(&chip->wq);
1561 static int chip_probe(struct i2c_adapter *adap)
1563 /* don't attach on saa7146 based cards,
1564 because dedicated drivers are used */
1565 if ((adap->id == I2C_HW_SAA7146))
1567 #ifdef I2C_CLASS_TV_ANALOG
1568 if (adap->class & I2C_CLASS_TV_ANALOG)
1569 return i2c_probe(adap, &addr_data, chip_attach);
1572 case I2C_HW_B_BT848:
1574 case I2C_HW_SAA7134:
1575 return i2c_probe(adap, &addr_data, chip_attach);
1581 static int chip_detach(struct i2c_client *client)
1583 struct CHIPSTATE *chip = i2c_get_clientdata(client);
1585 del_timer_sync(&chip->wt);
1586 if (chip->tpid >= 0) {
1587 /* shutdown async thread */
1589 wake_up_interruptible(&chip->wq);
1590 wait_for_completion(&chip->texit);
1593 i2c_detach_client(&chip->c);
1598 /* ---------------------------------------------------------------------- */
1599 /* video4linux interface */
1601 static int chip_command(struct i2c_client *client,
1602 unsigned int cmd, void *arg)
1605 struct CHIPSTATE *chip = i2c_get_clientdata(client);
1606 struct CHIPDESC *desc = chiplist + chip->type;
1608 tvaudio_dbg("%s: chip_command 0x%x\n",chip->c.name,cmd);
1611 case AUDC_SET_INPUT:
1612 if (desc->flags & CHIP_HAS_INPUTSEL) {
1614 chip_write_masked(chip,desc->inputreg,desc->inputmute,desc->inputmask);
1616 chip_write_masked(chip,desc->inputreg,desc->inputmap[*sarg],desc->inputmask);
1620 case AUDC_SET_RADIO:
1621 chip->norm = VIDEO_MODE_RADIO;
1622 chip->watch_stereo = 0;
1623 /* del_timer(&chip->wt); */
1626 /* --- v4l ioctls --- */
1627 /* take care: bttv does userspace copying, we'll get a
1628 kernel pointer here... */
1631 struct video_audio *va = arg;
1633 if (desc->flags & CHIP_HAS_VOLUME) {
1634 va->flags |= VIDEO_AUDIO_VOLUME;
1635 va->volume = max(chip->left,chip->right);
1637 va->balance = (32768*min(chip->left,chip->right))/
1640 va->balance = 32768;
1642 if (desc->flags & CHIP_HAS_BASSTREBLE) {
1643 va->flags |= VIDEO_AUDIO_BASS | VIDEO_AUDIO_TREBLE;
1644 va->bass = chip->bass;
1645 va->treble = chip->treble;
1647 if (chip->norm != VIDEO_MODE_RADIO) {
1649 va->mode = desc->getmode(chip);
1651 va->mode = VIDEO_SOUND_MONO;
1658 struct video_audio *va = arg;
1660 if (desc->flags & CHIP_HAS_VOLUME) {
1661 chip->left = (min(65536 - va->balance,32768) *
1662 va->volume) / 32768;
1663 chip->right = (min(va->balance,(__u16)32768) *
1664 va->volume) / 32768;
1665 chip_write(chip,desc->leftreg,desc->volfunc(chip->left));
1666 chip_write(chip,desc->rightreg,desc->volfunc(chip->right));
1668 if (desc->flags & CHIP_HAS_BASSTREBLE) {
1669 chip->bass = va->bass;
1670 chip->treble = va->treble;
1671 chip_write(chip,desc->bassreg,desc->bassfunc(chip->bass));
1672 chip_write(chip,desc->treblereg,desc->treblefunc(chip->treble));
1674 if (desc->setmode && va->mode) {
1675 chip->watch_stereo = 0;
1676 /* del_timer(&chip->wt); */
1677 chip->mode = va->mode;
1678 desc->setmode(chip,va->mode);
1684 struct video_channel *vc = arg;
1686 chip->norm = vc->norm;
1691 chip->mode = 0; /* automatic */
1692 if (desc->checkmode) {
1693 desc->setmode(chip,VIDEO_SOUND_MONO);
1694 if (chip->prevmode != VIDEO_SOUND_MONO)
1695 chip->prevmode = -1; /* reset previous mode */
1696 mod_timer(&chip->wt, jiffies+2*HZ);
1697 /* the thread will call checkmode() later */
1705 static struct i2c_driver driver = {
1706 .owner = THIS_MODULE,
1707 .name = "generic i2c audio driver",
1708 .id = I2C_DRIVERID_TVAUDIO,
1709 .flags = I2C_DF_NOTIFY,
1710 .attach_adapter = chip_probe,
1711 .detach_client = chip_detach,
1712 .command = chip_command,
1715 static struct i2c_client client_template =
1718 .flags = I2C_CLIENT_ALLOW_USE,
1722 static int __init audiochip_init_module(void)
1724 struct CHIPDESC *desc;
1727 printk(KERN_INFO "tvaudio: TV audio decoder + audio/video mux driver\n");
1728 printk(KERN_INFO "tvaudio: known chips: ");
1729 for (desc = chiplist; desc->name != NULL; desc++)
1730 printk("%s%s", (desc == chiplist) ? "" : ", ", desc->name);
1734 return i2c_add_driver(&driver);
1737 static void __exit audiochip_cleanup_module(void)
1739 i2c_del_driver(&driver);
1742 module_init(audiochip_init_module);
1743 module_exit(audiochip_cleanup_module);