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>
37 /* ---------------------------------------------------------------------- */
40 static int debug = 0; /* insmod parameter */
41 module_param(debug, int, 0644);
43 MODULE_DESCRIPTION("device driver for various i2c TV sound decoder / audiomux chips");
44 MODULE_AUTHOR("Eric Sandeen, Steve VanDeBogart, Greg Alexander, Gerd Knorr");
45 MODULE_LICENSE("GPL");
49 #define tvaudio_info(fmt, arg...) do {\
50 printk(KERN_INFO "tvaudio %d-%04x: " fmt, \
51 chip->c.adapter->nr, chip->c.addr , ##arg); } while (0)
52 #define tvaudio_warn(fmt, arg...) do {\
53 printk(KERN_WARNING "tvaudio %d-%04x: " fmt, \
54 chip->c.adapter->nr, chip->c.addr , ##arg); } while (0)
55 #define tvaudio_dbg(fmt, arg...) do {\
57 printk(KERN_INFO "tvaudio %d-%04x: " fmt, \
58 chip->c.adapter->nr, chip->c.addr , ##arg); } while (0)
60 /* ---------------------------------------------------------------------- */
66 typedef int (*getvalue)(int);
67 typedef int (*checkit)(struct CHIPSTATE*);
68 typedef int (*initialize)(struct CHIPSTATE*);
69 typedef int (*getmode)(struct CHIPSTATE*);
70 typedef void (*setmode)(struct CHIPSTATE*, int mode);
71 typedef void (*checkmode)(struct CHIPSTATE*);
74 typedef struct AUDIOCMD {
75 int count; /* # of bytes to send */
76 unsigned char bytes[MAXREGS+1]; /* addr, data, data, ... */
79 /* chip description */
81 char *name; /* chip name */
83 int addr_lo, addr_hi; /* i2c address range */
84 int registers; /* # of registers */
88 initialize initialize;
90 #define CHIP_HAS_VOLUME 1
91 #define CHIP_HAS_BASSTREBLE 2
92 #define CHIP_HAS_INPUTSEL 4
94 /* various i2c command sequences */
97 /* which register has which value */
98 int leftreg,rightreg,treblereg,bassreg;
100 /* initialize with (defaults to 65535/65535/32768/32768 */
101 int leftinit,rightinit,trebleinit,bassinit;
103 /* functions to convert the values (v4l -> chip) */
104 getvalue volfunc,treblefunc,bassfunc;
110 /* check / autoswitch audio after channel switches */
113 /* input switch register + values for v4l inputs */
119 static struct CHIPDESC chiplist[];
121 /* current state of the chip */
125 /* index into CHIPDESC array */
128 /* shadow register set */
131 /* current settings */
132 __u16 left,right,treble,bass,mode;
138 struct completion texit;
139 wait_queue_head_t wq;
140 struct timer_list wt;
145 #define VIDEO_MODE_RADIO 16 /* norm magic for radio mode */
147 /* ---------------------------------------------------------------------- */
150 static unsigned short normal_i2c[] = {
162 static struct i2c_driver driver;
163 static struct i2c_client client_template;
166 /* ---------------------------------------------------------------------- */
167 /* i2c I/O functions */
169 static int chip_write(struct CHIPSTATE *chip, int subaddr, int val)
171 unsigned char buffer[2];
174 tvaudio_dbg("%s: chip_write: 0x%x\n",
176 chip->shadow.bytes[1] = val;
178 if (1 != i2c_master_send(&chip->c,buffer,1)) {
179 tvaudio_warn("%s: I/O error (write 0x%x)\n",
184 tvaudio_dbg("%s: chip_write: reg%d=0x%x\n",
185 chip->c.name, subaddr, val);
186 chip->shadow.bytes[subaddr+1] = val;
189 if (2 != i2c_master_send(&chip->c,buffer,2)) {
190 tvaudio_warn("%s: I/O error (write reg%d=0x%x)\n",
191 chip->c.name, subaddr, val);
198 static int chip_write_masked(struct CHIPSTATE *chip, int subaddr, int val, int mask)
202 val = (chip->shadow.bytes[1] & ~mask) | (val & mask);
204 val = (chip->shadow.bytes[subaddr+1] & ~mask) | (val & mask);
207 return chip_write(chip, subaddr, val);
210 static int chip_read(struct CHIPSTATE *chip)
212 unsigned char buffer;
214 if (1 != i2c_master_recv(&chip->c,&buffer,1)) {
215 tvaudio_warn("%s: I/O error (read)\n",
219 tvaudio_dbg("%s: chip_read: 0x%x\n",chip->c.name, buffer);
223 static int chip_read2(struct CHIPSTATE *chip, int subaddr)
225 unsigned char write[1];
226 unsigned char read[1];
227 struct i2c_msg msgs[2] = {
228 { chip->c.addr, 0, 1, write },
229 { chip->c.addr, I2C_M_RD, 1, read }
233 if (2 != i2c_transfer(chip->c.adapter,msgs,2)) {
234 tvaudio_warn("%s: I/O error (read2)\n", chip->c.name);
237 tvaudio_dbg("%s: chip_read2: reg%d=0x%x\n",
238 chip->c.name, subaddr,read[0]);
242 static int chip_cmd(struct CHIPSTATE *chip, char *name, audiocmd *cmd)
249 /* update our shadow register set; print bytes if (debug > 0) */
250 tvaudio_dbg("%s: chip_cmd(%s): reg=%d, data:",
251 chip->c.name, name,cmd->bytes[0]);
252 for (i = 1; i < cmd->count; i++) {
254 printk(" 0x%x",cmd->bytes[i]);
255 chip->shadow.bytes[i+cmd->bytes[0]] = cmd->bytes[i];
260 /* send data to the chip */
261 if (cmd->count != i2c_master_send(&chip->c,cmd->bytes,cmd->count)) {
262 tvaudio_warn("%s: I/O error (%s)\n", chip->c.name, name);
268 /* ---------------------------------------------------------------------- */
269 /* kernel thread for doing i2c stuff asyncronly
270 * right now it is used only to check the audio mode (mono/stereo/whatever)
271 * some time after switching to another TV channel, then turn on stereo
275 static void chip_thread_wake(unsigned long data)
277 struct CHIPSTATE *chip = (struct CHIPSTATE*)data;
278 wake_up_interruptible(&chip->wq);
281 static int chip_thread(void *data)
283 DECLARE_WAITQUEUE(wait, current);
284 struct CHIPSTATE *chip = data;
285 struct CHIPDESC *desc = chiplist + chip->type;
287 daemonize("%s", chip->c.name);
288 allow_signal(SIGTERM);
289 tvaudio_dbg("%s: thread started\n", chip->c.name);
292 add_wait_queue(&chip->wq, &wait);
294 set_current_state(TASK_INTERRUPTIBLE);
297 remove_wait_queue(&chip->wq, &wait);
299 if (chip->done || signal_pending(current))
301 tvaudio_dbg("%s: thread wakeup\n", chip->c.name);
303 /* don't do anything for radio or if mode != auto */
304 if (chip->norm == VIDEO_MODE_RADIO || chip->mode != 0)
307 /* have a look what's going on */
308 desc->checkmode(chip);
310 /* schedule next check */
311 mod_timer(&chip->wt, jiffies+2*HZ);
314 tvaudio_dbg("%s: thread exiting\n", chip->c.name);
315 complete_and_exit(&chip->texit, 0);
319 static void generic_checkmode(struct CHIPSTATE *chip)
321 struct CHIPDESC *desc = chiplist + chip->type;
322 int mode = desc->getmode(chip);
324 if (mode == chip->prevmode)
327 tvaudio_dbg("%s: thread checkmode\n", chip->c.name);
328 chip->prevmode = mode;
330 if (mode & VIDEO_SOUND_STEREO)
331 desc->setmode(chip,VIDEO_SOUND_STEREO);
332 else if (mode & VIDEO_SOUND_LANG1)
333 desc->setmode(chip,VIDEO_SOUND_LANG1);
334 else if (mode & VIDEO_SOUND_LANG2)
335 desc->setmode(chip,VIDEO_SOUND_LANG2);
337 desc->setmode(chip,VIDEO_SOUND_MONO);
340 /* ---------------------------------------------------------------------- */
341 /* audio chip descriptions - defines+functions for tda9840 */
343 #define TDA9840_SW 0x00
344 #define TDA9840_LVADJ 0x02
345 #define TDA9840_STADJ 0x03
346 #define TDA9840_TEST 0x04
348 #define TDA9840_MONO 0x10
349 #define TDA9840_STEREO 0x2a
350 #define TDA9840_DUALA 0x12
351 #define TDA9840_DUALB 0x1e
352 #define TDA9840_DUALAB 0x1a
353 #define TDA9840_DUALBA 0x16
354 #define TDA9840_EXTERNAL 0x7a
356 #define TDA9840_DS_DUAL 0x20 /* Dual sound identified */
357 #define TDA9840_ST_STEREO 0x40 /* Stereo sound identified */
358 #define TDA9840_PONRES 0x80 /* Power-on reset detected if = 1 */
360 #define TDA9840_TEST_INT1SN 0x1 /* Integration time 0.5s when set */
361 #define TDA9840_TEST_INTFU 0x02 /* Disables integrator function */
363 static int tda9840_getmode(struct CHIPSTATE *chip)
367 val = chip_read(chip);
368 mode = VIDEO_SOUND_MONO;
369 if (val & TDA9840_DS_DUAL)
370 mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2;
371 if (val & TDA9840_ST_STEREO)
372 mode |= VIDEO_SOUND_STEREO;
374 tvaudio_dbg ("tda9840_getmode(): raw chip read: %d, return: %d\n",
379 static void tda9840_setmode(struct CHIPSTATE *chip, int mode)
382 int t = chip->shadow.bytes[TDA9840_SW + 1] & ~0x7e;
385 case VIDEO_SOUND_MONO:
388 case VIDEO_SOUND_STEREO:
391 case VIDEO_SOUND_LANG1:
394 case VIDEO_SOUND_LANG2:
402 chip_write(chip, TDA9840_SW, t);
405 /* ---------------------------------------------------------------------- */
406 /* audio chip descriptions - defines+functions for tda985x */
408 /* subaddresses for TDA9855 */
409 #define TDA9855_VR 0x00 /* Volume, right */
410 #define TDA9855_VL 0x01 /* Volume, left */
411 #define TDA9855_BA 0x02 /* Bass */
412 #define TDA9855_TR 0x03 /* Treble */
413 #define TDA9855_SW 0x04 /* Subwoofer - not connected on DTV2000 */
415 /* subaddresses for TDA9850 */
416 #define TDA9850_C4 0x04 /* Control 1 for TDA9850 */
418 /* subaddesses for both chips */
419 #define TDA985x_C5 0x05 /* Control 2 for TDA9850, Control 1 for TDA9855 */
420 #define TDA985x_C6 0x06 /* Control 3 for TDA9850, Control 2 for TDA9855 */
421 #define TDA985x_C7 0x07 /* Control 4 for TDA9850, Control 3 for TDA9855 */
422 #define TDA985x_A1 0x08 /* Alignment 1 for both chips */
423 #define TDA985x_A2 0x09 /* Alignment 2 for both chips */
424 #define TDA985x_A3 0x0a /* Alignment 3 for both chips */
426 /* Masks for bits in TDA9855 subaddresses */
427 /* 0x00 - VR in TDA9855 */
428 /* 0x01 - VL in TDA9855 */
429 /* lower 7 bits control gain from -71dB (0x28) to 16dB (0x7f)
430 * in 1dB steps - mute is 0x27 */
433 /* 0x02 - BA in TDA9855 */
434 /* lower 5 bits control bass gain from -12dB (0x06) to 16.5dB (0x19)
435 * in .5dB steps - 0 is 0x0E */
438 /* 0x03 - TR in TDA9855 */
439 /* 4 bits << 1 control treble gain from -12dB (0x3) to 12dB (0xb)
440 * in 3dB steps - 0 is 0x7 */
442 /* Masks for bits in both chips' subaddresses */
443 /* 0x04 - SW in TDA9855, C4/Control 1 in TDA9850 */
444 /* Unique to TDA9855: */
445 /* 4 bits << 2 control subwoofer/surround gain from -14db (0x1) to 14db (0xf)
446 * in 3dB steps - mute is 0x0 */
448 /* Unique to TDA9850: */
449 /* lower 4 bits control stereo noise threshold, over which stereo turns off
450 * set to values of 0x00 through 0x0f for Ster1 through Ster16 */
453 /* 0x05 - C5 - Control 1 in TDA9855 , Control 2 in TDA9850*/
454 /* Unique to TDA9855: */
455 #define TDA9855_MUTE 1<<7 /* GMU, Mute at outputs */
456 #define TDA9855_AVL 1<<6 /* AVL, Automatic Volume Level */
457 #define TDA9855_LOUD 1<<5 /* Loudness, 1==off */
458 #define TDA9855_SUR 1<<3 /* Surround / Subwoofer 1==.5(L-R) 0==.5(L+R) */
459 /* Bits 0 to 3 select various combinations
460 * of line in and line out, only the
461 * interesting ones are defined */
462 #define TDA9855_EXT 1<<2 /* Selects inputs LIR and LIL. Pins 41 & 12 */
463 #define TDA9855_INT 0 /* Selects inputs LOR and LOL. (internal) */
465 /* Unique to TDA9850: */
466 /* lower 4 bits contol SAP noise threshold, over which SAP turns off
467 * set to values of 0x00 through 0x0f for SAP1 through SAP16 */
470 /* 0x06 - C6 - Control 2 in TDA9855, Control 3 in TDA9850 */
471 /* Common to TDA9855 and TDA9850: */
472 #define TDA985x_SAP 3<<6 /* Selects SAP output, mute if not received */
473 #define TDA985x_STEREO 1<<6 /* Selects Stereo ouput, mono if not received */
474 #define TDA985x_MONO 0 /* Forces Mono output */
475 #define TDA985x_LMU 1<<3 /* Mute (LOR/LOL for 9855, OUTL/OUTR for 9850) */
477 /* Unique to TDA9855: */
478 #define TDA9855_TZCM 1<<5 /* If set, don't mute till zero crossing */
479 #define TDA9855_VZCM 1<<4 /* If set, don't change volume till zero crossing*/
480 #define TDA9855_LINEAR 0 /* Linear Stereo */
481 #define TDA9855_PSEUDO 1 /* Pseudo Stereo */
482 #define TDA9855_SPAT_30 2 /* Spatial Stereo, 30% anti-phase crosstalk */
483 #define TDA9855_SPAT_50 3 /* Spatial Stereo, 52% anti-phase crosstalk */
484 #define TDA9855_E_MONO 7 /* Forced mono - mono select elseware, so useless*/
486 /* 0x07 - C7 - Control 3 in TDA9855, Control 4 in TDA9850 */
487 /* Common to both TDA9855 and TDA9850: */
488 /* lower 4 bits control input gain from -3.5dB (0x0) to 4dB (0xF)
489 * in .5dB steps - 0dB is 0x7 */
491 /* 0x08, 0x09 - A1 and A2 (read/write) */
492 /* Common to both TDA9855 and TDA9850: */
493 /* lower 5 bites are wideband and spectral expander alignment
494 * from 0x00 to 0x1f - nominal at 0x0f and 0x10 (read/write) */
495 #define TDA985x_STP 1<<5 /* Stereo Pilot/detect (read-only) */
496 #define TDA985x_SAPP 1<<6 /* SAP Pilot/detect (read-only) */
497 #define TDA985x_STS 1<<7 /* Stereo trigger 1= <35mV 0= <30mV (write-only)*/
500 /* Common to both TDA9855 and TDA9850: */
501 /* lower 3 bits control timing current for alignment: -30% (0x0), -20% (0x1),
502 * -10% (0x2), nominal (0x3), +10% (0x6), +20% (0x5), +30% (0x4) */
503 #define TDA985x_ADJ 1<<7 /* Stereo adjust on/off (wideband and spectral */
505 static int tda9855_volume(int val) { return val/0x2e8+0x27; }
506 static int tda9855_bass(int val) { return val/0xccc+0x06; }
507 static int tda9855_treble(int val) { return (val/0x1c71+0x3)<<1; }
509 static int tda985x_getmode(struct CHIPSTATE *chip)
513 mode = ((TDA985x_STP | TDA985x_SAPP) &
514 chip_read(chip)) >> 4;
515 /* Add mono mode regardless of SAP and stereo */
516 /* Allows forced mono */
517 return mode | VIDEO_SOUND_MONO;
520 static void tda985x_setmode(struct CHIPSTATE *chip, int mode)
523 int c6 = chip->shadow.bytes[TDA985x_C6+1] & 0x3f;
526 case VIDEO_SOUND_MONO:
529 case VIDEO_SOUND_STEREO:
530 c6 |= TDA985x_STEREO;
532 case VIDEO_SOUND_LANG1:
539 chip_write(chip,TDA985x_C6,c6);
543 /* ---------------------------------------------------------------------- */
544 /* audio chip descriptions - defines+functions for tda9873h */
546 /* Subaddresses for TDA9873H */
548 #define TDA9873_SW 0x00 /* Switching */
549 #define TDA9873_AD 0x01 /* Adjust */
550 #define TDA9873_PT 0x02 /* Port */
552 /* Subaddress 0x00: Switching Data
555 * B1, B0: Input source selection
557 * 1, 0 external stereo
560 #define TDA9873_INP_MASK 3
561 #define TDA9873_INTERNAL 0
562 #define TDA9873_EXT_STEREO 2
563 #define TDA9873_EXT_MONO 1
565 /* B3, B2: output signal select
566 * B4 : transmission mode
569 * 1, 1, 1 Stereo (reversed channel)
576 #define TDA9873_TR_MASK (7 << 2)
577 #define TDA9873_TR_MONO 4
578 #define TDA9873_TR_STEREO 1 << 4
579 #define TDA9873_TR_REVERSE (1 << 3) & (1 << 2)
580 #define TDA9873_TR_DUALA 1 << 2
581 #define TDA9873_TR_DUALB 1 << 3
583 /* output level controls
584 * B5: output level switch (0 = reduced gain, 1 = normal gain)
585 * B6: mute (1 = muted)
586 * B7: auto-mute (1 = auto-mute enabled)
589 #define TDA9873_GAIN_NORMAL 1 << 5
590 #define TDA9873_MUTE 1 << 6
591 #define TDA9873_AUTOMUTE 1 << 7
593 /* Subaddress 0x01: Adjust/standard */
595 /* Lower 4 bits (C3..C0) control stereo adjustment on R channel (-0.6 - +0.7 dB)
596 * Recommended value is +0 dB
599 #define TDA9873_STEREO_ADJ 0x06 /* 0dB gain */
601 /* Bits C6..C4 control FM stantard
603 * 0, 0, 0 B/G (PAL FM)
612 #define TDA9873_DK1 2
613 #define TDA9873_DK2 3
614 #define TDA9873_DK3 4
617 /* C7 controls identification response time (1=fast/0=normal)
619 #define TDA9873_IDR_NORM 0
620 #define TDA9873_IDR_FAST 1 << 7
623 /* Subaddress 0x02: Port data */
625 /* E1, E0 free programmable ports P1/P2
632 #define TDA9873_PORTS 3
635 #define TDA9873_TST_PORT 1 << 2
637 /* E5..E3 control mono output channel (together with transmission mode bit B4)
642 * 0 1 0 1 mono (from stereo decoder)
644 #define TDA9873_MOUT_MONO 0
645 #define TDA9873_MOUT_FMONO 0
646 #define TDA9873_MOUT_DUALA 0
647 #define TDA9873_MOUT_DUALB 1 << 3
648 #define TDA9873_MOUT_ST 1 << 4
649 #define TDA9873_MOUT_EXTM (1 << 4 ) & (1 << 3)
650 #define TDA9873_MOUT_EXTL 1 << 5
651 #define TDA9873_MOUT_EXTR (1 << 5 ) & (1 << 3)
652 #define TDA9873_MOUT_EXTLR (1 << 5 ) & (1 << 4)
653 #define TDA9873_MOUT_MUTE (1 << 5 ) & (1 << 4) & (1 << 3)
655 /* Status bits: (chip read) */
656 #define TDA9873_PONR 0 /* Power-on reset detected if = 1 */
657 #define TDA9873_STEREO 2 /* Stereo sound is identified */
658 #define TDA9873_DUAL 4 /* Dual sound is identified */
660 static int tda9873_getmode(struct CHIPSTATE *chip)
664 val = chip_read(chip);
665 mode = VIDEO_SOUND_MONO;
666 if (val & TDA9873_STEREO)
667 mode |= VIDEO_SOUND_STEREO;
668 if (val & TDA9873_DUAL)
669 mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2;
670 tvaudio_dbg ("tda9873_getmode(): raw chip read: %d, return: %d\n",
675 static void tda9873_setmode(struct CHIPSTATE *chip, int mode)
677 int sw_data = chip->shadow.bytes[TDA9873_SW+1] & ~ TDA9873_TR_MASK;
678 /* int adj_data = chip->shadow.bytes[TDA9873_AD+1] ; */
680 if ((sw_data & TDA9873_INP_MASK) != TDA9873_INTERNAL) {
681 tvaudio_dbg("tda9873_setmode(): external input\n");
685 tvaudio_dbg("tda9873_setmode(): chip->shadow.bytes[%d] = %d\n", TDA9873_SW+1, chip->shadow.bytes[TDA9873_SW+1]);
686 tvaudio_dbg("tda9873_setmode(): sw_data = %d\n", sw_data);
689 case VIDEO_SOUND_MONO:
690 sw_data |= TDA9873_TR_MONO;
692 case VIDEO_SOUND_STEREO:
693 sw_data |= TDA9873_TR_STEREO;
695 case VIDEO_SOUND_LANG1:
696 sw_data |= TDA9873_TR_DUALA;
698 case VIDEO_SOUND_LANG2:
699 sw_data |= TDA9873_TR_DUALB;
706 chip_write(chip, TDA9873_SW, sw_data);
707 tvaudio_dbg("tda9873_setmode(): req. mode %d; chip_write: %d\n",
711 static int tda9873_checkit(struct CHIPSTATE *chip)
715 if (-1 == (rc = chip_read2(chip,254)))
717 return (rc & ~0x1f) == 0x80;
721 /* ---------------------------------------------------------------------- */
722 /* audio chip description - defines+functions for tda9874h and tda9874a */
723 /* Dariusz Kowalewski <darekk@automex.pl> */
725 /* Subaddresses for TDA9874H and TDA9874A (slave rx) */
726 #define TDA9874A_AGCGR 0x00 /* AGC gain */
727 #define TDA9874A_GCONR 0x01 /* general config */
728 #define TDA9874A_MSR 0x02 /* monitor select */
729 #define TDA9874A_C1FRA 0x03 /* carrier 1 freq. */
730 #define TDA9874A_C1FRB 0x04 /* carrier 1 freq. */
731 #define TDA9874A_C1FRC 0x05 /* carrier 1 freq. */
732 #define TDA9874A_C2FRA 0x06 /* carrier 2 freq. */
733 #define TDA9874A_C2FRB 0x07 /* carrier 2 freq. */
734 #define TDA9874A_C2FRC 0x08 /* carrier 2 freq. */
735 #define TDA9874A_DCR 0x09 /* demodulator config */
736 #define TDA9874A_FMER 0x0a /* FM de-emphasis */
737 #define TDA9874A_FMMR 0x0b /* FM dematrix */
738 #define TDA9874A_C1OLAR 0x0c /* ch.1 output level adj. */
739 #define TDA9874A_C2OLAR 0x0d /* ch.2 output level adj. */
740 #define TDA9874A_NCONR 0x0e /* NICAM config */
741 #define TDA9874A_NOLAR 0x0f /* NICAM output level adj. */
742 #define TDA9874A_NLELR 0x10 /* NICAM lower error limit */
743 #define TDA9874A_NUELR 0x11 /* NICAM upper error limit */
744 #define TDA9874A_AMCONR 0x12 /* audio mute control */
745 #define TDA9874A_SDACOSR 0x13 /* stereo DAC output select */
746 #define TDA9874A_AOSR 0x14 /* analog output select */
747 #define TDA9874A_DAICONR 0x15 /* digital audio interface config */
748 #define TDA9874A_I2SOSR 0x16 /* I2S-bus output select */
749 #define TDA9874A_I2SOLAR 0x17 /* I2S-bus output level adj. */
750 #define TDA9874A_MDACOSR 0x18 /* mono DAC output select (tda9874a) */
751 #define TDA9874A_ESP 0xFF /* easy standard progr. (tda9874a) */
753 /* Subaddresses for TDA9874H and TDA9874A (slave tx) */
754 #define TDA9874A_DSR 0x00 /* device status */
755 #define TDA9874A_NSR 0x01 /* NICAM status */
756 #define TDA9874A_NECR 0x02 /* NICAM error count */
757 #define TDA9874A_DR1 0x03 /* add. data LSB */
758 #define TDA9874A_DR2 0x04 /* add. data MSB */
759 #define TDA9874A_LLRA 0x05 /* monitor level read-out LSB */
760 #define TDA9874A_LLRB 0x06 /* monitor level read-out MSB */
761 #define TDA9874A_SIFLR 0x07 /* SIF level */
762 #define TDA9874A_TR2 252 /* test reg. 2 */
763 #define TDA9874A_TR1 253 /* test reg. 1 */
764 #define TDA9874A_DIC 254 /* device id. code */
765 #define TDA9874A_SIC 255 /* software id. code */
768 static int tda9874a_mode = 1; /* 0: A2, 1: NICAM */
769 static int tda9874a_GCONR = 0xc0; /* default config. input pin: SIFSEL=0 */
770 static int tda9874a_NCONR = 0x01; /* default NICAM config.: AMSEL=0,AMUTE=1 */
771 static int tda9874a_ESP = 0x07; /* default standard: NICAM D/K */
772 static int tda9874a_dic = -1; /* device id. code */
774 /* insmod options for tda9874a */
775 static unsigned int tda9874a_SIF = UNSET;
776 static unsigned int tda9874a_AMSEL = UNSET;
777 static unsigned int tda9874a_STD = UNSET;
778 module_param(tda9874a_SIF, int, 0444);
779 module_param(tda9874a_AMSEL, int, 0444);
780 module_param(tda9874a_STD, int, 0444);
783 * initialization table for tda9874 decoder:
784 * - carrier 1 freq. registers (3 bytes)
785 * - carrier 2 freq. registers (3 bytes)
786 * - demudulator config register
787 * - FM de-emphasis register (slow identification mode)
788 * Note: frequency registers must be written in single i2c transfer.
790 static struct tda9874a_MODES {
793 } tda9874a_modelist[9] = {
795 { 9, { TDA9874A_C1FRA, 0x72,0x95,0x55, 0x77,0xA0,0x00, 0x00,0x00 }} },
797 { 9, { TDA9874A_C1FRA, 0x5D,0xC0,0x00, 0x62,0x6A,0xAA, 0x20,0x22 }} },
799 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x82,0x60,0x00, 0x00,0x00 }} },
801 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x8C,0x75,0x55, 0x00,0x00 }} },
803 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x77,0xA0,0x00, 0x00,0x00 }} },
805 { 9, { TDA9874A_C1FRA, 0x7D,0x00,0x00, 0x88,0x8A,0xAA, 0x08,0x33 }} },
807 { 9, { TDA9874A_C1FRA, 0x72,0x95,0x55, 0x79,0xEA,0xAA, 0x08,0x33 }} },
808 { "NICAM, D/K", /* default */
809 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x79,0xEA,0xAA, 0x08,0x33 }} },
811 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x79,0xEA,0xAA, 0x09,0x33 }} }
814 static int tda9874a_setup(struct CHIPSTATE *chip)
816 chip_write(chip, TDA9874A_AGCGR, 0x00); /* 0 dB */
817 chip_write(chip, TDA9874A_GCONR, tda9874a_GCONR);
818 chip_write(chip, TDA9874A_MSR, (tda9874a_mode) ? 0x03:0x02);
819 if(tda9874a_dic == 0x11) {
820 chip_write(chip, TDA9874A_FMMR, 0x80);
821 } else { /* dic == 0x07 */
822 chip_cmd(chip,"tda9874_modelist",&tda9874a_modelist[tda9874a_STD].cmd);
823 chip_write(chip, TDA9874A_FMMR, 0x00);
825 chip_write(chip, TDA9874A_C1OLAR, 0x00); /* 0 dB */
826 chip_write(chip, TDA9874A_C2OLAR, 0x00); /* 0 dB */
827 chip_write(chip, TDA9874A_NCONR, tda9874a_NCONR);
828 chip_write(chip, TDA9874A_NOLAR, 0x00); /* 0 dB */
829 /* Note: If signal quality is poor you may want to change NICAM */
830 /* error limit registers (NLELR and NUELR) to some greater values. */
831 /* Then the sound would remain stereo, but won't be so clear. */
832 chip_write(chip, TDA9874A_NLELR, 0x14); /* default */
833 chip_write(chip, TDA9874A_NUELR, 0x50); /* default */
835 if(tda9874a_dic == 0x11) {
836 chip_write(chip, TDA9874A_AMCONR, 0xf9);
837 chip_write(chip, TDA9874A_SDACOSR, (tda9874a_mode) ? 0x81:0x80);
838 chip_write(chip, TDA9874A_AOSR, 0x80);
839 chip_write(chip, TDA9874A_MDACOSR, (tda9874a_mode) ? 0x82:0x80);
840 chip_write(chip, TDA9874A_ESP, tda9874a_ESP);
841 } else { /* dic == 0x07 */
842 chip_write(chip, TDA9874A_AMCONR, 0xfb);
843 chip_write(chip, TDA9874A_SDACOSR, (tda9874a_mode) ? 0x81:0x80);
844 chip_write(chip, TDA9874A_AOSR, 0x00); /* or 0x10 */
846 tvaudio_dbg("tda9874a_setup(): %s [0x%02X].\n",
847 tda9874a_modelist[tda9874a_STD].name,tda9874a_STD);
851 static int tda9874a_getmode(struct CHIPSTATE *chip)
854 int necr; /* just for debugging */
856 mode = VIDEO_SOUND_MONO;
858 if(-1 == (dsr = chip_read2(chip,TDA9874A_DSR)))
860 if(-1 == (nsr = chip_read2(chip,TDA9874A_NSR)))
862 if(-1 == (necr = chip_read2(chip,TDA9874A_NECR)))
865 /* need to store dsr/nsr somewhere */
866 chip->shadow.bytes[MAXREGS-2] = dsr;
867 chip->shadow.bytes[MAXREGS-1] = nsr;
870 /* Note: DSR.RSSF and DSR.AMSTAT bits are also checked.
871 * If NICAM auto-muting is enabled, DSR.AMSTAT=1 indicates
872 * that sound has (temporarily) switched from NICAM to
873 * mono FM (or AM) on 1st sound carrier due to high NICAM bit
874 * error count. So in fact there is no stereo in this case :-(
875 * But changing the mode to VIDEO_SOUND_MONO would switch
876 * external 4052 multiplexer in audio_hook().
878 if(nsr & 0x02) /* NSR.S/MB=1 */
879 mode |= VIDEO_SOUND_STEREO;
880 if(nsr & 0x01) /* NSR.D/SB=1 */
881 mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2;
883 if(dsr & 0x02) /* DSR.IDSTE=1 */
884 mode |= VIDEO_SOUND_STEREO;
885 if(dsr & 0x04) /* DSR.IDDUA=1 */
886 mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2;
889 tvaudio_dbg("tda9874a_getmode(): DSR=0x%X, NSR=0x%X, NECR=0x%X, return: %d.\n",
890 dsr, nsr, necr, mode);
894 static void tda9874a_setmode(struct CHIPSTATE *chip, int mode)
896 /* Disable/enable NICAM auto-muting (based on DSR.RSSF status bit). */
897 /* If auto-muting is disabled, we can hear a signal of degrading quality. */
899 if(chip->shadow.bytes[MAXREGS-2] & 0x20) /* DSR.RSSF=1 */
900 tda9874a_NCONR &= 0xfe; /* enable */
902 tda9874a_NCONR |= 0x01; /* disable */
903 chip_write(chip, TDA9874A_NCONR, tda9874a_NCONR);
906 /* Note: TDA9874A supports automatic FM dematrixing (FMMR register)
907 * and has auto-select function for audio output (AOSR register).
908 * Old TDA9874H doesn't support these features.
909 * TDA9874A also has additional mono output pin (OUTM), which
910 * on same (all?) tv-cards is not used, anyway (as well as MONOIN).
912 if(tda9874a_dic == 0x11) {
914 int mdacosr = (tda9874a_mode) ? 0x82:0x80;
917 case VIDEO_SOUND_MONO:
918 case VIDEO_SOUND_STEREO:
920 case VIDEO_SOUND_LANG1:
921 aosr = 0x80; /* auto-select, dual A/A */
922 mdacosr = (tda9874a_mode) ? 0x82:0x80;
924 case VIDEO_SOUND_LANG2:
925 aosr = 0xa0; /* auto-select, dual B/B */
926 mdacosr = (tda9874a_mode) ? 0x83:0x81;
932 chip_write(chip, TDA9874A_AOSR, aosr);
933 chip_write(chip, TDA9874A_MDACOSR, mdacosr);
935 tvaudio_dbg("tda9874a_setmode(): req. mode %d; AOSR=0x%X, MDACOSR=0x%X.\n",
936 mode, aosr, mdacosr);
938 } else { /* dic == 0x07 */
942 case VIDEO_SOUND_MONO:
943 fmmr = 0x00; /* mono */
944 aosr = 0x10; /* A/A */
946 case VIDEO_SOUND_STEREO:
949 aosr = 0x00; /* handled by NICAM auto-mute */
951 fmmr = (tda9874a_ESP == 1) ? 0x05 : 0x04; /* stereo */
955 case VIDEO_SOUND_LANG1:
956 fmmr = 0x02; /* dual */
957 aosr = 0x10; /* dual A/A */
959 case VIDEO_SOUND_LANG2:
960 fmmr = 0x02; /* dual */
961 aosr = 0x20; /* dual B/B */
967 chip_write(chip, TDA9874A_FMMR, fmmr);
968 chip_write(chip, TDA9874A_AOSR, aosr);
970 tvaudio_dbg("tda9874a_setmode(): req. mode %d; FMMR=0x%X, AOSR=0x%X.\n",
975 static int tda9874a_checkit(struct CHIPSTATE *chip)
977 int dic,sic; /* device id. and software id. codes */
979 if(-1 == (dic = chip_read2(chip,TDA9874A_DIC)))
981 if(-1 == (sic = chip_read2(chip,TDA9874A_SIC)))
984 tvaudio_dbg("tda9874a_checkit(): DIC=0x%X, SIC=0x%X.\n", dic, sic);
986 if((dic == 0x11)||(dic == 0x07)) {
987 tvaudio_info("found tda9874%s.\n", (dic == 0x11) ? "a":"h");
988 tda9874a_dic = dic; /* remember device id. */
991 return 0; /* not found */
994 static int tda9874a_initialize(struct CHIPSTATE *chip)
996 if (tda9874a_SIF > 2)
998 if (tda9874a_STD > 8)
1000 if(tda9874a_AMSEL > 1)
1003 if(tda9874a_SIF == 1)
1004 tda9874a_GCONR = 0xc0; /* sound IF input 1 */
1006 tda9874a_GCONR = 0xc1; /* sound IF input 2 */
1008 tda9874a_ESP = tda9874a_STD;
1009 tda9874a_mode = (tda9874a_STD < 5) ? 0 : 1;
1011 if(tda9874a_AMSEL == 0)
1012 tda9874a_NCONR = 0x01; /* auto-mute: analog mono input */
1014 tda9874a_NCONR = 0x05; /* auto-mute: 1st carrier FM or AM */
1016 tda9874a_setup(chip);
1021 /* ---------------------------------------------------------------------- */
1022 /* audio chip descriptions - defines+functions for tea6420 */
1024 #define TEA6300_VL 0x00 /* volume left */
1025 #define TEA6300_VR 0x01 /* volume right */
1026 #define TEA6300_BA 0x02 /* bass */
1027 #define TEA6300_TR 0x03 /* treble */
1028 #define TEA6300_FA 0x04 /* fader control */
1029 #define TEA6300_S 0x05 /* switch register */
1030 /* values for those registers: */
1031 #define TEA6300_S_SA 0x01 /* stereo A input */
1032 #define TEA6300_S_SB 0x02 /* stereo B */
1033 #define TEA6300_S_SC 0x04 /* stereo C */
1034 #define TEA6300_S_GMU 0x80 /* general mute */
1036 #define TEA6320_V 0x00 /* volume (0-5)/loudness off (6)/zero crossing mute(7) */
1037 #define TEA6320_FFR 0x01 /* fader front right (0-5) */
1038 #define TEA6320_FFL 0x02 /* fader front left (0-5) */
1039 #define TEA6320_FRR 0x03 /* fader rear right (0-5) */
1040 #define TEA6320_FRL 0x04 /* fader rear left (0-5) */
1041 #define TEA6320_BA 0x05 /* bass (0-4) */
1042 #define TEA6320_TR 0x06 /* treble (0-4) */
1043 #define TEA6320_S 0x07 /* switch register */
1044 /* values for those registers: */
1045 #define TEA6320_S_SA 0x07 /* stereo A input */
1046 #define TEA6320_S_SB 0x06 /* stereo B */
1047 #define TEA6320_S_SC 0x05 /* stereo C */
1048 #define TEA6320_S_SD 0x04 /* stereo D */
1049 #define TEA6320_S_GMU 0x80 /* general mute */
1051 #define TEA6420_S_SA 0x00 /* stereo A input */
1052 #define TEA6420_S_SB 0x01 /* stereo B */
1053 #define TEA6420_S_SC 0x02 /* stereo C */
1054 #define TEA6420_S_SD 0x03 /* stereo D */
1055 #define TEA6420_S_SE 0x04 /* stereo E */
1056 #define TEA6420_S_GMU 0x05 /* general mute */
1058 static int tea6300_shift10(int val) { return val >> 10; }
1059 static int tea6300_shift12(int val) { return val >> 12; }
1061 /* Assumes 16bit input (values 0x3f to 0x0c are unique, values less than */
1062 /* 0x0c mirror those immediately higher) */
1063 static int tea6320_volume(int val) { return (val / (65535/(63-12)) + 12) & 0x3f; }
1064 static int tea6320_shift11(int val) { return val >> 11; }
1065 static int tea6320_initialize(struct CHIPSTATE * chip)
1067 chip_write(chip, TEA6320_FFR, 0x3f);
1068 chip_write(chip, TEA6320_FFL, 0x3f);
1069 chip_write(chip, TEA6320_FRR, 0x3f);
1070 chip_write(chip, TEA6320_FRL, 0x3f);
1076 /* ---------------------------------------------------------------------- */
1077 /* audio chip descriptions - defines+functions for tda8425 */
1079 #define TDA8425_VL 0x00 /* volume left */
1080 #define TDA8425_VR 0x01 /* volume right */
1081 #define TDA8425_BA 0x02 /* bass */
1082 #define TDA8425_TR 0x03 /* treble */
1083 #define TDA8425_S1 0x08 /* switch functions */
1084 /* values for those registers: */
1085 #define TDA8425_S1_OFF 0xEE /* audio off (mute on) */
1086 #define TDA8425_S1_CH1 0xCE /* audio channel 1 (mute off) - "linear stereo" mode */
1087 #define TDA8425_S1_CH2 0xCF /* audio channel 2 (mute off) - "linear stereo" mode */
1088 #define TDA8425_S1_MU 0x20 /* mute bit */
1089 #define TDA8425_S1_STEREO 0x18 /* stereo bits */
1090 #define TDA8425_S1_STEREO_SPATIAL 0x18 /* spatial stereo */
1091 #define TDA8425_S1_STEREO_LINEAR 0x08 /* linear stereo */
1092 #define TDA8425_S1_STEREO_PSEUDO 0x10 /* pseudo stereo */
1093 #define TDA8425_S1_STEREO_MONO 0x00 /* forced mono */
1094 #define TDA8425_S1_ML 0x06 /* language selector */
1095 #define TDA8425_S1_ML_SOUND_A 0x02 /* sound a */
1096 #define TDA8425_S1_ML_SOUND_B 0x04 /* sound b */
1097 #define TDA8425_S1_ML_STEREO 0x06 /* stereo */
1098 #define TDA8425_S1_IS 0x01 /* channel selector */
1101 static int tda8425_shift10(int val) { return (val >> 10) | 0xc0; }
1102 static int tda8425_shift12(int val) { return (val >> 12) | 0xf0; }
1104 static int tda8425_initialize(struct CHIPSTATE *chip)
1106 struct CHIPDESC *desc = chiplist + chip->type;
1107 int inputmap[8] = { /* tuner */ TDA8425_S1_CH2, /* radio */ TDA8425_S1_CH1,
1108 /* extern */ TDA8425_S1_CH1, /* intern */ TDA8425_S1_OFF,
1109 /* off */ TDA8425_S1_OFF, /* on */ TDA8425_S1_CH2};
1111 if (chip->c.adapter->id == I2C_HW_B_RIVA) {
1112 memcpy (desc->inputmap, inputmap, sizeof (inputmap));
1117 static void tda8425_setmode(struct CHIPSTATE *chip, int mode)
1119 int s1 = chip->shadow.bytes[TDA8425_S1+1] & 0xe1;
1121 if (mode & VIDEO_SOUND_LANG1) {
1122 s1 |= TDA8425_S1_ML_SOUND_A;
1123 s1 |= TDA8425_S1_STEREO_PSEUDO;
1125 } else if (mode & VIDEO_SOUND_LANG2) {
1126 s1 |= TDA8425_S1_ML_SOUND_B;
1127 s1 |= TDA8425_S1_STEREO_PSEUDO;
1130 s1 |= TDA8425_S1_ML_STEREO;
1132 if (mode & VIDEO_SOUND_MONO)
1133 s1 |= TDA8425_S1_STEREO_MONO;
1134 if (mode & VIDEO_SOUND_STEREO)
1135 s1 |= TDA8425_S1_STEREO_SPATIAL;
1137 chip_write(chip,TDA8425_S1,s1);
1141 /* ---------------------------------------------------------------------- */
1142 /* audio chip descriptions - defines+functions for pic16c54 (PV951) */
1144 /* the registers of 16C54, I2C sub address. */
1145 #define PIC16C54_REG_KEY_CODE 0x01 /* Not use. */
1146 #define PIC16C54_REG_MISC 0x02
1148 /* bit definition of the RESET register, I2C data. */
1149 #define PIC16C54_MISC_RESET_REMOTE_CTL 0x01 /* bit 0, Reset to receive the key */
1150 /* code of remote controller */
1151 #define PIC16C54_MISC_MTS_MAIN 0x02 /* bit 1 */
1152 #define PIC16C54_MISC_MTS_SAP 0x04 /* bit 2 */
1153 #define PIC16C54_MISC_MTS_BOTH 0x08 /* bit 3 */
1154 #define PIC16C54_MISC_SND_MUTE 0x10 /* bit 4, Mute Audio(Line-in and Tuner) */
1155 #define PIC16C54_MISC_SND_NOTMUTE 0x20 /* bit 5 */
1156 #define PIC16C54_MISC_SWITCH_TUNER 0x40 /* bit 6 , Switch to Line-in */
1157 #define PIC16C54_MISC_SWITCH_LINE 0x80 /* bit 7 , Switch to Tuner */
1159 /* ---------------------------------------------------------------------- */
1160 /* audio chip descriptions - defines+functions for TA8874Z */
1162 /* write 1st byte */
1163 #define TA8874Z_LED_STE 0x80
1164 #define TA8874Z_LED_BIL 0x40
1165 #define TA8874Z_LED_EXT 0x20
1166 #define TA8874Z_MONO_SET 0x10
1167 #define TA8874Z_MUTE 0x08
1168 #define TA8874Z_F_MONO 0x04
1169 #define TA8874Z_MODE_SUB 0x02
1170 #define TA8874Z_MODE_MAIN 0x01
1172 /* write 2nd byte */
1173 /*#define TA8874Z_TI 0x80 */ /* test mode */
1174 #define TA8874Z_SEPARATION 0x3f
1175 #define TA8874Z_SEPARATION_DEFAULT 0x10
1178 #define TA8874Z_B1 0x80
1179 #define TA8874Z_B0 0x40
1180 #define TA8874Z_CHAG_FLAG 0x20
1188 static int ta8874z_getmode(struct CHIPSTATE *chip)
1192 val = chip_read(chip);
1193 mode = VIDEO_SOUND_MONO;
1194 if (val & TA8874Z_B1){
1195 mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2;
1196 }else if (!(val & TA8874Z_B0)){
1197 mode |= VIDEO_SOUND_STEREO;
1199 /* tvaudio_dbg ("ta8874z_getmode(): raw chip read: 0x%02x, return: 0x%02x\n", val, mode); */
1203 static audiocmd ta8874z_stereo = { 2, {0, TA8874Z_SEPARATION_DEFAULT}};
1204 static audiocmd ta8874z_mono = {2, { TA8874Z_MONO_SET, TA8874Z_SEPARATION_DEFAULT}};
1205 static audiocmd ta8874z_main = {2, { 0, TA8874Z_SEPARATION_DEFAULT}};
1206 static audiocmd ta8874z_sub = {2, { TA8874Z_MODE_SUB, TA8874Z_SEPARATION_DEFAULT}};
1208 static void ta8874z_setmode(struct CHIPSTATE *chip, int mode)
1212 tvaudio_dbg("ta8874z_setmode(): mode: 0x%02x\n", mode);
1215 case VIDEO_SOUND_MONO:
1218 case VIDEO_SOUND_STEREO:
1219 t = &ta8874z_stereo;
1221 case VIDEO_SOUND_LANG1:
1224 case VIDEO_SOUND_LANG2:
1232 chip_cmd(chip, "TA8874Z", t);
1235 static int ta8874z_checkit(struct CHIPSTATE *chip)
1238 rc = chip_read(chip);
1239 return ((rc & 0x1f) == 0x1f) ? 1 : 0;
1242 /* ---------------------------------------------------------------------- */
1243 /* audio chip descriptions - struct CHIPDESC */
1245 /* insmod options to enable/disable individual audio chips */
1246 static int tda8425 = 1;
1247 static int tda9840 = 1;
1248 static int tda9850 = 1;
1249 static int tda9855 = 1;
1250 static int tda9873 = 1;
1251 static int tda9874a = 1;
1252 static int tea6300 = 0; /* address clash with msp34xx */
1253 static int tea6320 = 0; /* address clash with msp34xx */
1254 static int tea6420 = 1;
1255 static int pic16c54 = 1;
1256 static int ta8874z = 0; /* address clash with tda9840 */
1258 module_param(tda8425, int, 0444);
1259 module_param(tda9840, int, 0444);
1260 module_param(tda9850, int, 0444);
1261 module_param(tda9855, int, 0444);
1262 module_param(tda9873, int, 0444);
1263 module_param(tda9874a, int, 0444);
1264 module_param(tea6300, int, 0444);
1265 module_param(tea6320, int, 0444);
1266 module_param(tea6420, int, 0444);
1267 module_param(pic16c54, int, 0444);
1268 module_param(ta8874z, int, 0444);
1270 static struct CHIPDESC chiplist[] = {
1273 .id = I2C_DRIVERID_TDA9840,
1274 .insmodopt = &tda9840,
1275 .addr_lo = I2C_TDA9840 >> 1,
1276 .addr_hi = I2C_TDA9840 >> 1,
1279 .getmode = tda9840_getmode,
1280 .setmode = tda9840_setmode,
1281 .checkmode = generic_checkmode,
1283 .init = { 2, { TDA9840_TEST, TDA9840_TEST_INT1SN
1284 /* ,TDA9840_SW, TDA9840_MONO */} }
1288 .id = I2C_DRIVERID_TDA9873,
1289 .checkit = tda9873_checkit,
1290 .insmodopt = &tda9873,
1291 .addr_lo = I2C_TDA985x_L >> 1,
1292 .addr_hi = I2C_TDA985x_H >> 1,
1294 .flags = CHIP_HAS_INPUTSEL,
1296 .getmode = tda9873_getmode,
1297 .setmode = tda9873_setmode,
1298 .checkmode = generic_checkmode,
1300 .init = { 4, { TDA9873_SW, 0xa4, 0x06, 0x03 } },
1301 .inputreg = TDA9873_SW,
1302 .inputmute = TDA9873_MUTE | TDA9873_AUTOMUTE,
1303 .inputmap = {0xa0, 0xa2, 0xa0, 0xa0, 0xc0},
1304 .inputmask = TDA9873_INP_MASK|TDA9873_MUTE|TDA9873_AUTOMUTE,
1308 .name = "tda9874h/a",
1309 .id = I2C_DRIVERID_TDA9874,
1310 .checkit = tda9874a_checkit,
1311 .initialize = tda9874a_initialize,
1312 .insmodopt = &tda9874a,
1313 .addr_lo = I2C_TDA9874 >> 1,
1314 .addr_hi = I2C_TDA9874 >> 1,
1316 .getmode = tda9874a_getmode,
1317 .setmode = tda9874a_setmode,
1318 .checkmode = generic_checkmode,
1322 .id = I2C_DRIVERID_TDA9850,
1323 .insmodopt = &tda9850,
1324 .addr_lo = I2C_TDA985x_L >> 1,
1325 .addr_hi = I2C_TDA985x_H >> 1,
1328 .getmode = tda985x_getmode,
1329 .setmode = tda985x_setmode,
1331 .init = { 8, { TDA9850_C4, 0x08, 0x08, TDA985x_STEREO, 0x07, 0x10, 0x10, 0x03 } }
1335 .id = I2C_DRIVERID_TDA9855,
1336 .insmodopt = &tda9855,
1337 .addr_lo = I2C_TDA985x_L >> 1,
1338 .addr_hi = I2C_TDA985x_H >> 1,
1340 .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE,
1342 .leftreg = TDA9855_VL,
1343 .rightreg = TDA9855_VR,
1344 .bassreg = TDA9855_BA,
1345 .treblereg = TDA9855_TR,
1346 .volfunc = tda9855_volume,
1347 .bassfunc = tda9855_bass,
1348 .treblefunc = tda9855_treble,
1350 .getmode = tda985x_getmode,
1351 .setmode = tda985x_setmode,
1353 .init = { 12, { 0, 0x6f, 0x6f, 0x0e, 0x07<<1, 0x8<<2,
1354 TDA9855_MUTE | TDA9855_AVL | TDA9855_LOUD | TDA9855_INT,
1355 TDA985x_STEREO | TDA9855_LINEAR | TDA9855_TZCM | TDA9855_VZCM,
1356 0x07, 0x10, 0x10, 0x03 }}
1360 .id = I2C_DRIVERID_TEA6300,
1361 .insmodopt = &tea6300,
1362 .addr_lo = I2C_TEA6300 >> 1,
1363 .addr_hi = I2C_TEA6300 >> 1,
1365 .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL,
1367 .leftreg = TEA6300_VR,
1368 .rightreg = TEA6300_VL,
1369 .bassreg = TEA6300_BA,
1370 .treblereg = TEA6300_TR,
1371 .volfunc = tea6300_shift10,
1372 .bassfunc = tea6300_shift12,
1373 .treblefunc = tea6300_shift12,
1375 .inputreg = TEA6300_S,
1376 .inputmap = { TEA6300_S_SA, TEA6300_S_SB, TEA6300_S_SC },
1377 .inputmute = TEA6300_S_GMU,
1381 .id = I2C_DRIVERID_TEA6300,
1382 .initialize = tea6320_initialize,
1383 .insmodopt = &tea6320,
1384 .addr_lo = I2C_TEA6300 >> 1,
1385 .addr_hi = I2C_TEA6300 >> 1,
1387 .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL,
1389 .leftreg = TEA6320_V,
1390 .rightreg = TEA6320_V,
1391 .bassreg = TEA6320_BA,
1392 .treblereg = TEA6320_TR,
1393 .volfunc = tea6320_volume,
1394 .bassfunc = tea6320_shift11,
1395 .treblefunc = tea6320_shift11,
1397 .inputreg = TEA6320_S,
1398 .inputmap = { TEA6320_S_SA, TEA6420_S_SB, TEA6300_S_SC, TEA6320_S_SD },
1399 .inputmute = TEA6300_S_GMU,
1403 .id = I2C_DRIVERID_TEA6420,
1404 .insmodopt = &tea6420,
1405 .addr_lo = I2C_TEA6420 >> 1,
1406 .addr_hi = I2C_TEA6420 >> 1,
1408 .flags = CHIP_HAS_INPUTSEL,
1411 .inputmap = { TEA6420_S_SA, TEA6420_S_SB, TEA6420_S_SC },
1412 .inputmute = TEA6300_S_GMU,
1416 .id = I2C_DRIVERID_TDA8425,
1417 .insmodopt = &tda8425,
1418 .addr_lo = I2C_TDA8425 >> 1,
1419 .addr_hi = I2C_TDA8425 >> 1,
1421 .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL,
1423 .leftreg = TDA8425_VL,
1424 .rightreg = TDA8425_VR,
1425 .bassreg = TDA8425_BA,
1426 .treblereg = TDA8425_TR,
1427 .volfunc = tda8425_shift10,
1428 .bassfunc = tda8425_shift12,
1429 .treblefunc = tda8425_shift12,
1431 .inputreg = TDA8425_S1,
1432 .inputmap = { TDA8425_S1_CH1, TDA8425_S1_CH1, TDA8425_S1_CH1 },
1433 .inputmute = TDA8425_S1_OFF,
1435 .setmode = tda8425_setmode,
1436 .initialize = tda8425_initialize,
1439 .name = "pic16c54 (PV951)",
1440 .id = I2C_DRIVERID_PIC16C54_PV9,
1441 .insmodopt = &pic16c54,
1442 .addr_lo = I2C_PIC16C54 >> 1,
1443 .addr_hi = I2C_PIC16C54>> 1,
1445 .flags = CHIP_HAS_INPUTSEL,
1447 .inputreg = PIC16C54_REG_MISC,
1448 .inputmap = {PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_TUNER,
1449 PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_LINE,
1450 PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_LINE,
1451 PIC16C54_MISC_SND_MUTE,PIC16C54_MISC_SND_MUTE,
1452 PIC16C54_MISC_SND_NOTMUTE},
1453 .inputmute = PIC16C54_MISC_SND_MUTE,
1458 /*.id = I2C_DRIVERID_TA8874Z, */
1459 .checkit = ta8874z_checkit,
1460 .insmodopt = &ta8874z,
1461 .addr_lo = I2C_TDA9840 >> 1,
1462 .addr_hi = I2C_TDA9840 >> 1,
1465 .getmode = ta8874z_getmode,
1466 .setmode = ta8874z_setmode,
1467 .checkmode = generic_checkmode,
1469 .init = {2, { TA8874Z_MONO_SET, TA8874Z_SEPARATION_DEFAULT}},
1471 { .name = NULL } /* EOF */
1475 /* ---------------------------------------------------------------------- */
1476 /* i2c registration */
1478 static int chip_attach(struct i2c_adapter *adap, int addr, int kind)
1480 struct CHIPSTATE *chip;
1481 struct CHIPDESC *desc;
1483 chip = kmalloc(sizeof(*chip),GFP_KERNEL);
1486 memset(chip,0,sizeof(*chip));
1487 memcpy(&chip->c,&client_template,sizeof(struct i2c_client));
1488 chip->c.adapter = adap;
1489 chip->c.addr = addr;
1490 i2c_set_clientdata(&chip->c, chip);
1492 /* find description for the chip */
1493 tvaudio_dbg("chip found @ 0x%x\n", addr<<1);
1494 for (desc = chiplist; desc->name != NULL; desc++) {
1495 if (0 == *(desc->insmodopt))
1497 if (addr < desc->addr_lo ||
1498 addr > desc->addr_hi)
1500 if (desc->checkit && !desc->checkit(chip))
1504 if (desc->name == NULL) {
1505 tvaudio_dbg("no matching chip description found\n");
1508 tvaudio_info("%s found @ 0x%x (%s)\n", desc->name, addr<<1, adap->name);
1510 tvaudio_dbg("matches:%s%s%s.\n",
1511 (desc->flags & CHIP_HAS_VOLUME) ? " volume" : "",
1512 (desc->flags & CHIP_HAS_BASSTREBLE) ? " bass/treble" : "",
1513 (desc->flags & CHIP_HAS_INPUTSEL) ? " audiomux" : "");
1516 /* fill required data structures */
1517 strcpy(chip->c.name, desc->name);
1518 chip->type = desc-chiplist;
1519 chip->shadow.count = desc->registers+1;
1520 chip->prevmode = -1;
1522 i2c_attach_client(&chip->c);
1524 /* initialization */
1525 if (desc->initialize != NULL)
1526 desc->initialize(chip);
1528 chip_cmd(chip,"init",&desc->init);
1530 if (desc->flags & CHIP_HAS_VOLUME) {
1531 chip->left = desc->leftinit ? desc->leftinit : 65535;
1532 chip->right = desc->rightinit ? desc->rightinit : 65535;
1533 chip_write(chip,desc->leftreg,desc->volfunc(chip->left));
1534 chip_write(chip,desc->rightreg,desc->volfunc(chip->right));
1536 if (desc->flags & CHIP_HAS_BASSTREBLE) {
1537 chip->treble = desc->trebleinit ? desc->trebleinit : 32768;
1538 chip->bass = desc->bassinit ? desc->bassinit : 32768;
1539 chip_write(chip,desc->bassreg,desc->bassfunc(chip->bass));
1540 chip_write(chip,desc->treblereg,desc->treblefunc(chip->treble));
1544 if (desc->checkmode) {
1545 /* start async thread */
1546 init_timer(&chip->wt);
1547 chip->wt.function = chip_thread_wake;
1548 chip->wt.data = (unsigned long)chip;
1549 init_waitqueue_head(&chip->wq);
1550 init_completion(&chip->texit);
1551 chip->tpid = kernel_thread(chip_thread,(void *)chip,0);
1553 tvaudio_warn("%s: kernel_thread() failed\n",
1555 wake_up_interruptible(&chip->wq);
1560 static int chip_probe(struct i2c_adapter *adap)
1562 /* don't attach on saa7146 based cards,
1563 because dedicated drivers are used */
1564 if ((adap->id == I2C_HW_SAA7146))
1566 if (adap->class & I2C_CLASS_TV_ANALOG)
1567 return i2c_probe(adap, &addr_data, chip_attach);
1571 static int chip_detach(struct i2c_client *client)
1573 struct CHIPSTATE *chip = i2c_get_clientdata(client);
1575 del_timer_sync(&chip->wt);
1576 if (chip->tpid >= 0) {
1577 /* shutdown async thread */
1579 wake_up_interruptible(&chip->wq);
1580 wait_for_completion(&chip->texit);
1583 i2c_detach_client(&chip->c);
1588 /* ---------------------------------------------------------------------- */
1589 /* video4linux interface */
1591 static int chip_command(struct i2c_client *client,
1592 unsigned int cmd, void *arg)
1595 struct CHIPSTATE *chip = i2c_get_clientdata(client);
1596 struct CHIPDESC *desc = chiplist + chip->type;
1598 tvaudio_dbg("%s: chip_command 0x%x\n", chip->c.name, cmd);
1601 case AUDC_SET_INPUT:
1602 if (desc->flags & CHIP_HAS_INPUTSEL) {
1604 chip_write_masked(chip,desc->inputreg,desc->inputmute,desc->inputmask);
1606 chip_write_masked(chip,desc->inputreg,desc->inputmap[*sarg],desc->inputmask);
1610 case AUDC_SET_RADIO:
1611 chip->norm = VIDEO_MODE_RADIO;
1612 chip->watch_stereo = 0;
1613 /* del_timer(&chip->wt); */
1616 /* --- v4l ioctls --- */
1617 /* take care: bttv does userspace copying, we'll get a
1618 kernel pointer here... */
1621 struct video_audio *va = arg;
1623 if (desc->flags & CHIP_HAS_VOLUME) {
1624 va->flags |= VIDEO_AUDIO_VOLUME;
1625 va->volume = max(chip->left,chip->right);
1627 va->balance = (32768*min(chip->left,chip->right))/
1630 va->balance = 32768;
1632 if (desc->flags & CHIP_HAS_BASSTREBLE) {
1633 va->flags |= VIDEO_AUDIO_BASS | VIDEO_AUDIO_TREBLE;
1634 va->bass = chip->bass;
1635 va->treble = chip->treble;
1637 if (chip->norm != VIDEO_MODE_RADIO) {
1639 va->mode = desc->getmode(chip);
1641 va->mode = VIDEO_SOUND_MONO;
1648 struct video_audio *va = arg;
1650 if (desc->flags & CHIP_HAS_VOLUME) {
1651 chip->left = (min(65536 - va->balance,32768) *
1652 va->volume) / 32768;
1653 chip->right = (min(va->balance,(__u16)32768) *
1654 va->volume) / 32768;
1655 chip_write(chip,desc->leftreg,desc->volfunc(chip->left));
1656 chip_write(chip,desc->rightreg,desc->volfunc(chip->right));
1658 if (desc->flags & CHIP_HAS_BASSTREBLE) {
1659 chip->bass = va->bass;
1660 chip->treble = va->treble;
1661 chip_write(chip,desc->bassreg,desc->bassfunc(chip->bass));
1662 chip_write(chip,desc->treblereg,desc->treblefunc(chip->treble));
1664 if (desc->setmode && va->mode) {
1665 chip->watch_stereo = 0;
1666 /* del_timer(&chip->wt); */
1667 chip->mode = va->mode;
1668 desc->setmode(chip,va->mode);
1674 struct video_channel *vc = arg;
1676 chip->norm = vc->norm;
1681 chip->mode = 0; /* automatic */
1682 if (desc->checkmode) {
1683 desc->setmode(chip,VIDEO_SOUND_MONO);
1684 if (chip->prevmode != VIDEO_SOUND_MONO)
1685 chip->prevmode = -1; /* reset previous mode */
1686 mod_timer(&chip->wt, jiffies+2*HZ);
1687 /* the thread will call checkmode() later */
1695 static struct i2c_driver driver = {
1697 .name = "generic i2c audio driver",
1699 .id = I2C_DRIVERID_TVAUDIO,
1700 .attach_adapter = chip_probe,
1701 .detach_client = chip_detach,
1702 .command = chip_command,
1705 static struct i2c_client client_template =
1711 static int __init audiochip_init_module(void)
1713 struct CHIPDESC *desc;
1716 printk(KERN_INFO "tvaudio: TV audio decoder + audio/video mux driver\n");
1717 printk(KERN_INFO "tvaudio: known chips: ");
1718 for (desc = chiplist; desc->name != NULL; desc++)
1719 printk("%s%s", (desc == chiplist) ? "" : ", ", desc->name);
1723 return i2c_add_driver(&driver);
1726 static void __exit audiochip_cleanup_module(void)
1728 i2c_del_driver(&driver);
1731 module_init(audiochip_init_module);
1732 module_exit(audiochip_cleanup_module);