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/module.h>
18 #include <linux/moduleparam.h>
19 #include <linux/kernel.h>
20 #include <linux/sched.h>
21 #include <linux/string.h>
22 #include <linux/timer.h>
23 #include <linux/delay.h>
24 #include <linux/errno.h>
25 #include <linux/slab.h>
26 #include <linux/videodev.h>
27 #include <linux/i2c.h>
28 #include <linux/i2c-algo-bit.h>
29 #include <linux/init.h>
30 #include <linux/smp_lock.h>
31 #include <linux/kthread.h>
32 #include <linux/freezer.h>
34 #include <media/tvaudio.h>
35 #include <media/v4l2-common.h>
36 #include <media/v4l2-chip-ident.h>
38 #include <media/i2c-addr.h>
40 /* ---------------------------------------------------------------------- */
43 static int debug = 0; /* insmod parameter */
44 module_param(debug, int, 0644);
46 MODULE_DESCRIPTION("device driver for various i2c TV sound decoder / audiomux chips");
47 MODULE_AUTHOR("Eric Sandeen, Steve VanDeBogart, Greg Alexander, Gerd Knorr");
48 MODULE_LICENSE("GPL");
52 /* ---------------------------------------------------------------------- */
58 typedef int (*getvalue)(int);
59 typedef int (*checkit)(struct CHIPSTATE*);
60 typedef int (*initialize)(struct CHIPSTATE*);
61 typedef int (*getmode)(struct CHIPSTATE*);
62 typedef void (*setmode)(struct CHIPSTATE*, int mode);
63 typedef void (*checkmode)(struct CHIPSTATE*);
66 typedef struct AUDIOCMD {
67 int count; /* # of bytes to send */
68 unsigned char bytes[MAXREGS+1]; /* addr, data, data, ... */
71 /* chip description */
73 char *name; /* chip name */
75 int addr_lo, addr_hi; /* i2c address range */
76 int registers; /* # of registers */
80 initialize initialize;
82 #define CHIP_HAS_VOLUME 1
83 #define CHIP_HAS_BASSTREBLE 2
84 #define CHIP_HAS_INPUTSEL 4
86 /* various i2c command sequences */
89 /* which register has which value */
90 int leftreg,rightreg,treblereg,bassreg;
92 /* initialize with (defaults to 65535/65535/32768/32768 */
93 int leftinit,rightinit,trebleinit,bassinit;
95 /* functions to convert the values (v4l -> chip) */
96 getvalue volfunc,treblefunc,bassfunc;
102 /* check / autoswitch audio after channel switches */
105 /* input switch register + values for v4l inputs */
111 static struct CHIPDESC chiplist[];
113 /* current state of the chip */
117 /* index into CHIPDESC array */
120 /* shadow register set */
123 /* current settings */
124 __u16 left,right,treble,bass,muted,mode;
130 struct task_struct *thread;
131 struct timer_list wt;
136 /* ---------------------------------------------------------------------- */
139 static unsigned short normal_i2c[] = {
140 I2C_ADDR_TDA8425 >> 1,
141 I2C_ADDR_TEA6300 >> 1,
142 I2C_ADDR_TEA6420 >> 1,
143 I2C_ADDR_TDA9840 >> 1,
144 I2C_ADDR_TDA985x_L >> 1,
145 I2C_ADDR_TDA985x_H >> 1,
146 I2C_ADDR_TDA9874 >> 1,
147 I2C_ADDR_PIC16C54 >> 1,
151 static struct i2c_driver driver;
152 static struct i2c_client client_template;
155 /* ---------------------------------------------------------------------- */
156 /* i2c I/O functions */
158 static int chip_write(struct CHIPSTATE *chip, int subaddr, int val)
160 unsigned char buffer[2];
163 v4l_dbg(1, debug, &chip->c, "%s: chip_write: 0x%x\n",
165 chip->shadow.bytes[1] = val;
167 if (1 != i2c_master_send(&chip->c,buffer,1)) {
168 v4l_warn(&chip->c, "%s: I/O error (write 0x%x)\n",
173 v4l_dbg(1, debug, &chip->c, "%s: chip_write: reg%d=0x%x\n",
174 chip->c.name, subaddr, val);
175 chip->shadow.bytes[subaddr+1] = val;
178 if (2 != i2c_master_send(&chip->c,buffer,2)) {
179 v4l_warn(&chip->c, "%s: I/O error (write reg%d=0x%x)\n",
180 chip->c.name, subaddr, val);
187 static int chip_write_masked(struct CHIPSTATE *chip, int subaddr, int val, int mask)
191 val = (chip->shadow.bytes[1] & ~mask) | (val & mask);
193 val = (chip->shadow.bytes[subaddr+1] & ~mask) | (val & mask);
196 return chip_write(chip, subaddr, val);
199 static int chip_read(struct CHIPSTATE *chip)
201 unsigned char buffer;
203 if (1 != i2c_master_recv(&chip->c,&buffer,1)) {
204 v4l_warn(&chip->c, "%s: I/O error (read)\n",
208 v4l_dbg(1, debug, &chip->c, "%s: chip_read: 0x%x\n",chip->c.name, buffer);
212 static int chip_read2(struct CHIPSTATE *chip, int subaddr)
214 unsigned char write[1];
215 unsigned char read[1];
216 struct i2c_msg msgs[2] = {
217 { chip->c.addr, 0, 1, write },
218 { chip->c.addr, I2C_M_RD, 1, read }
222 if (2 != i2c_transfer(chip->c.adapter,msgs,2)) {
223 v4l_warn(&chip->c, "%s: I/O error (read2)\n", chip->c.name);
226 v4l_dbg(1, debug, &chip->c, "%s: chip_read2: reg%d=0x%x\n",
227 chip->c.name, subaddr,read[0]);
231 static int chip_cmd(struct CHIPSTATE *chip, char *name, audiocmd *cmd)
238 /* update our shadow register set; print bytes if (debug > 0) */
239 v4l_dbg(1, debug, &chip->c, "%s: chip_cmd(%s): reg=%d, data:",
240 chip->c.name, name,cmd->bytes[0]);
241 for (i = 1; i < cmd->count; i++) {
243 printk(" 0x%x",cmd->bytes[i]);
244 chip->shadow.bytes[i+cmd->bytes[0]] = cmd->bytes[i];
249 /* send data to the chip */
250 if (cmd->count != i2c_master_send(&chip->c,cmd->bytes,cmd->count)) {
251 v4l_warn(&chip->c, "%s: I/O error (%s)\n", chip->c.name, name);
257 /* ---------------------------------------------------------------------- */
258 /* kernel thread for doing i2c stuff asyncronly
259 * right now it is used only to check the audio mode (mono/stereo/whatever)
260 * some time after switching to another TV channel, then turn on stereo
264 static void chip_thread_wake(unsigned long data)
266 struct CHIPSTATE *chip = (struct CHIPSTATE*)data;
267 wake_up_process(chip->thread);
270 static int chip_thread(void *data)
272 struct CHIPSTATE *chip = data;
273 struct CHIPDESC *desc = chiplist + chip->type;
275 v4l_dbg(1, debug, &chip->c, "%s: thread started\n", chip->c.name);
278 set_current_state(TASK_INTERRUPTIBLE);
279 if (!kthread_should_stop())
281 set_current_state(TASK_RUNNING);
283 if (kthread_should_stop())
285 v4l_dbg(1, debug, &chip->c, "%s: thread wakeup\n", chip->c.name);
287 /* don't do anything for radio or if mode != auto */
288 if (chip->radio || chip->mode != 0)
291 /* have a look what's going on */
292 desc->checkmode(chip);
294 /* schedule next check */
295 mod_timer(&chip->wt, jiffies+2*HZ);
298 v4l_dbg(1, debug, &chip->c, "%s: thread exiting\n", chip->c.name);
302 static void generic_checkmode(struct CHIPSTATE *chip)
304 struct CHIPDESC *desc = chiplist + chip->type;
305 int mode = desc->getmode(chip);
307 if (mode == chip->prevmode)
310 v4l_dbg(1, debug, &chip->c, "%s: thread checkmode\n", chip->c.name);
311 chip->prevmode = mode;
313 if (mode & VIDEO_SOUND_STEREO)
314 desc->setmode(chip,VIDEO_SOUND_STEREO);
315 else if (mode & VIDEO_SOUND_LANG1)
316 desc->setmode(chip,VIDEO_SOUND_LANG1);
317 else if (mode & VIDEO_SOUND_LANG2)
318 desc->setmode(chip,VIDEO_SOUND_LANG2);
320 desc->setmode(chip,VIDEO_SOUND_MONO);
323 /* ---------------------------------------------------------------------- */
324 /* audio chip descriptions - defines+functions for tda9840 */
326 #define TDA9840_SW 0x00
327 #define TDA9840_LVADJ 0x02
328 #define TDA9840_STADJ 0x03
329 #define TDA9840_TEST 0x04
331 #define TDA9840_MONO 0x10
332 #define TDA9840_STEREO 0x2a
333 #define TDA9840_DUALA 0x12
334 #define TDA9840_DUALB 0x1e
335 #define TDA9840_DUALAB 0x1a
336 #define TDA9840_DUALBA 0x16
337 #define TDA9840_EXTERNAL 0x7a
339 #define TDA9840_DS_DUAL 0x20 /* Dual sound identified */
340 #define TDA9840_ST_STEREO 0x40 /* Stereo sound identified */
341 #define TDA9840_PONRES 0x80 /* Power-on reset detected if = 1 */
343 #define TDA9840_TEST_INT1SN 0x1 /* Integration time 0.5s when set */
344 #define TDA9840_TEST_INTFU 0x02 /* Disables integrator function */
346 static int tda9840_getmode(struct CHIPSTATE *chip)
350 val = chip_read(chip);
351 mode = VIDEO_SOUND_MONO;
352 if (val & TDA9840_DS_DUAL)
353 mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2;
354 if (val & TDA9840_ST_STEREO)
355 mode |= VIDEO_SOUND_STEREO;
357 v4l_dbg(1, debug, &chip->c, "tda9840_getmode(): raw chip read: %d, return: %d\n",
362 static void tda9840_setmode(struct CHIPSTATE *chip, int mode)
365 int t = chip->shadow.bytes[TDA9840_SW + 1] & ~0x7e;
368 case VIDEO_SOUND_MONO:
371 case VIDEO_SOUND_STEREO:
374 case VIDEO_SOUND_LANG1:
377 case VIDEO_SOUND_LANG2:
385 chip_write(chip, TDA9840_SW, t);
388 static int tda9840_checkit(struct CHIPSTATE *chip)
391 rc = chip_read(chip);
392 /* lower 5 bits should be 0 */
393 return ((rc & 0x1f) == 0) ? 1 : 0;
396 /* ---------------------------------------------------------------------- */
397 /* audio chip descriptions - defines+functions for tda985x */
399 /* subaddresses for TDA9855 */
400 #define TDA9855_VR 0x00 /* Volume, right */
401 #define TDA9855_VL 0x01 /* Volume, left */
402 #define TDA9855_BA 0x02 /* Bass */
403 #define TDA9855_TR 0x03 /* Treble */
404 #define TDA9855_SW 0x04 /* Subwoofer - not connected on DTV2000 */
406 /* subaddresses for TDA9850 */
407 #define TDA9850_C4 0x04 /* Control 1 for TDA9850 */
409 /* subaddesses for both chips */
410 #define TDA985x_C5 0x05 /* Control 2 for TDA9850, Control 1 for TDA9855 */
411 #define TDA985x_C6 0x06 /* Control 3 for TDA9850, Control 2 for TDA9855 */
412 #define TDA985x_C7 0x07 /* Control 4 for TDA9850, Control 3 for TDA9855 */
413 #define TDA985x_A1 0x08 /* Alignment 1 for both chips */
414 #define TDA985x_A2 0x09 /* Alignment 2 for both chips */
415 #define TDA985x_A3 0x0a /* Alignment 3 for both chips */
417 /* Masks for bits in TDA9855 subaddresses */
418 /* 0x00 - VR in TDA9855 */
419 /* 0x01 - VL in TDA9855 */
420 /* lower 7 bits control gain from -71dB (0x28) to 16dB (0x7f)
421 * in 1dB steps - mute is 0x27 */
424 /* 0x02 - BA in TDA9855 */
425 /* lower 5 bits control bass gain from -12dB (0x06) to 16.5dB (0x19)
426 * in .5dB steps - 0 is 0x0E */
429 /* 0x03 - TR in TDA9855 */
430 /* 4 bits << 1 control treble gain from -12dB (0x3) to 12dB (0xb)
431 * in 3dB steps - 0 is 0x7 */
433 /* Masks for bits in both chips' subaddresses */
434 /* 0x04 - SW in TDA9855, C4/Control 1 in TDA9850 */
435 /* Unique to TDA9855: */
436 /* 4 bits << 2 control subwoofer/surround gain from -14db (0x1) to 14db (0xf)
437 * in 3dB steps - mute is 0x0 */
439 /* Unique to TDA9850: */
440 /* lower 4 bits control stereo noise threshold, over which stereo turns off
441 * set to values of 0x00 through 0x0f for Ster1 through Ster16 */
444 /* 0x05 - C5 - Control 1 in TDA9855 , Control 2 in TDA9850*/
445 /* Unique to TDA9855: */
446 #define TDA9855_MUTE 1<<7 /* GMU, Mute at outputs */
447 #define TDA9855_AVL 1<<6 /* AVL, Automatic Volume Level */
448 #define TDA9855_LOUD 1<<5 /* Loudness, 1==off */
449 #define TDA9855_SUR 1<<3 /* Surround / Subwoofer 1==.5(L-R) 0==.5(L+R) */
450 /* Bits 0 to 3 select various combinations
451 * of line in and line out, only the
452 * interesting ones are defined */
453 #define TDA9855_EXT 1<<2 /* Selects inputs LIR and LIL. Pins 41 & 12 */
454 #define TDA9855_INT 0 /* Selects inputs LOR and LOL. (internal) */
456 /* Unique to TDA9850: */
457 /* lower 4 bits contol SAP noise threshold, over which SAP turns off
458 * set to values of 0x00 through 0x0f for SAP1 through SAP16 */
461 /* 0x06 - C6 - Control 2 in TDA9855, Control 3 in TDA9850 */
462 /* Common to TDA9855 and TDA9850: */
463 #define TDA985x_SAP 3<<6 /* Selects SAP output, mute if not received */
464 #define TDA985x_STEREO 1<<6 /* Selects Stereo ouput, mono if not received */
465 #define TDA985x_MONO 0 /* Forces Mono output */
466 #define TDA985x_LMU 1<<3 /* Mute (LOR/LOL for 9855, OUTL/OUTR for 9850) */
468 /* Unique to TDA9855: */
469 #define TDA9855_TZCM 1<<5 /* If set, don't mute till zero crossing */
470 #define TDA9855_VZCM 1<<4 /* If set, don't change volume till zero crossing*/
471 #define TDA9855_LINEAR 0 /* Linear Stereo */
472 #define TDA9855_PSEUDO 1 /* Pseudo Stereo */
473 #define TDA9855_SPAT_30 2 /* Spatial Stereo, 30% anti-phase crosstalk */
474 #define TDA9855_SPAT_50 3 /* Spatial Stereo, 52% anti-phase crosstalk */
475 #define TDA9855_E_MONO 7 /* Forced mono - mono select elseware, so useless*/
477 /* 0x07 - C7 - Control 3 in TDA9855, Control 4 in TDA9850 */
478 /* Common to both TDA9855 and TDA9850: */
479 /* lower 4 bits control input gain from -3.5dB (0x0) to 4dB (0xF)
480 * in .5dB steps - 0dB is 0x7 */
482 /* 0x08, 0x09 - A1 and A2 (read/write) */
483 /* Common to both TDA9855 and TDA9850: */
484 /* lower 5 bites are wideband and spectral expander alignment
485 * from 0x00 to 0x1f - nominal at 0x0f and 0x10 (read/write) */
486 #define TDA985x_STP 1<<5 /* Stereo Pilot/detect (read-only) */
487 #define TDA985x_SAPP 1<<6 /* SAP Pilot/detect (read-only) */
488 #define TDA985x_STS 1<<7 /* Stereo trigger 1= <35mV 0= <30mV (write-only)*/
491 /* Common to both TDA9855 and TDA9850: */
492 /* lower 3 bits control timing current for alignment: -30% (0x0), -20% (0x1),
493 * -10% (0x2), nominal (0x3), +10% (0x6), +20% (0x5), +30% (0x4) */
494 #define TDA985x_ADJ 1<<7 /* Stereo adjust on/off (wideband and spectral */
496 static int tda9855_volume(int val) { return val/0x2e8+0x27; }
497 static int tda9855_bass(int val) { return val/0xccc+0x06; }
498 static int tda9855_treble(int val) { return (val/0x1c71+0x3)<<1; }
500 static int tda985x_getmode(struct CHIPSTATE *chip)
504 mode = ((TDA985x_STP | TDA985x_SAPP) &
505 chip_read(chip)) >> 4;
506 /* Add mono mode regardless of SAP and stereo */
507 /* Allows forced mono */
508 return mode | VIDEO_SOUND_MONO;
511 static void tda985x_setmode(struct CHIPSTATE *chip, int mode)
514 int c6 = chip->shadow.bytes[TDA985x_C6+1] & 0x3f;
517 case VIDEO_SOUND_MONO:
520 case VIDEO_SOUND_STEREO:
521 c6 |= TDA985x_STEREO;
523 case VIDEO_SOUND_LANG1:
530 chip_write(chip,TDA985x_C6,c6);
534 /* ---------------------------------------------------------------------- */
535 /* audio chip descriptions - defines+functions for tda9873h */
537 /* Subaddresses for TDA9873H */
539 #define TDA9873_SW 0x00 /* Switching */
540 #define TDA9873_AD 0x01 /* Adjust */
541 #define TDA9873_PT 0x02 /* Port */
543 /* Subaddress 0x00: Switching Data
546 * B1, B0: Input source selection
548 * 1, 0 external stereo
551 #define TDA9873_INP_MASK 3
552 #define TDA9873_INTERNAL 0
553 #define TDA9873_EXT_STEREO 2
554 #define TDA9873_EXT_MONO 1
556 /* B3, B2: output signal select
557 * B4 : transmission mode
560 * 1, 1, 1 Stereo (reversed channel)
567 #define TDA9873_TR_MASK (7 << 2)
568 #define TDA9873_TR_MONO 4
569 #define TDA9873_TR_STEREO 1 << 4
570 #define TDA9873_TR_REVERSE (1 << 3) & (1 << 2)
571 #define TDA9873_TR_DUALA 1 << 2
572 #define TDA9873_TR_DUALB 1 << 3
574 /* output level controls
575 * B5: output level switch (0 = reduced gain, 1 = normal gain)
576 * B6: mute (1 = muted)
577 * B7: auto-mute (1 = auto-mute enabled)
580 #define TDA9873_GAIN_NORMAL 1 << 5
581 #define TDA9873_MUTE 1 << 6
582 #define TDA9873_AUTOMUTE 1 << 7
584 /* Subaddress 0x01: Adjust/standard */
586 /* Lower 4 bits (C3..C0) control stereo adjustment on R channel (-0.6 - +0.7 dB)
587 * Recommended value is +0 dB
590 #define TDA9873_STEREO_ADJ 0x06 /* 0dB gain */
592 /* Bits C6..C4 control FM stantard
594 * 0, 0, 0 B/G (PAL FM)
603 #define TDA9873_DK1 2
604 #define TDA9873_DK2 3
605 #define TDA9873_DK3 4
608 /* C7 controls identification response time (1=fast/0=normal)
610 #define TDA9873_IDR_NORM 0
611 #define TDA9873_IDR_FAST 1 << 7
614 /* Subaddress 0x02: Port data */
616 /* E1, E0 free programmable ports P1/P2
623 #define TDA9873_PORTS 3
626 #define TDA9873_TST_PORT 1 << 2
628 /* E5..E3 control mono output channel (together with transmission mode bit B4)
633 * 0 1 0 1 mono (from stereo decoder)
635 #define TDA9873_MOUT_MONO 0
636 #define TDA9873_MOUT_FMONO 0
637 #define TDA9873_MOUT_DUALA 0
638 #define TDA9873_MOUT_DUALB 1 << 3
639 #define TDA9873_MOUT_ST 1 << 4
640 #define TDA9873_MOUT_EXTM (1 << 4 ) & (1 << 3)
641 #define TDA9873_MOUT_EXTL 1 << 5
642 #define TDA9873_MOUT_EXTR (1 << 5 ) & (1 << 3)
643 #define TDA9873_MOUT_EXTLR (1 << 5 ) & (1 << 4)
644 #define TDA9873_MOUT_MUTE (1 << 5 ) & (1 << 4) & (1 << 3)
646 /* Status bits: (chip read) */
647 #define TDA9873_PONR 0 /* Power-on reset detected if = 1 */
648 #define TDA9873_STEREO 2 /* Stereo sound is identified */
649 #define TDA9873_DUAL 4 /* Dual sound is identified */
651 static int tda9873_getmode(struct CHIPSTATE *chip)
655 val = chip_read(chip);
656 mode = VIDEO_SOUND_MONO;
657 if (val & TDA9873_STEREO)
658 mode |= VIDEO_SOUND_STEREO;
659 if (val & TDA9873_DUAL)
660 mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2;
661 v4l_dbg(1, debug, &chip->c, "tda9873_getmode(): raw chip read: %d, return: %d\n",
666 static void tda9873_setmode(struct CHIPSTATE *chip, int mode)
668 int sw_data = chip->shadow.bytes[TDA9873_SW+1] & ~ TDA9873_TR_MASK;
669 /* int adj_data = chip->shadow.bytes[TDA9873_AD+1] ; */
671 if ((sw_data & TDA9873_INP_MASK) != TDA9873_INTERNAL) {
672 v4l_dbg(1, debug, &chip->c, "tda9873_setmode(): external input\n");
676 v4l_dbg(1, debug, &chip->c, "tda9873_setmode(): chip->shadow.bytes[%d] = %d\n", TDA9873_SW+1, chip->shadow.bytes[TDA9873_SW+1]);
677 v4l_dbg(1, debug, &chip->c, "tda9873_setmode(): sw_data = %d\n", sw_data);
680 case VIDEO_SOUND_MONO:
681 sw_data |= TDA9873_TR_MONO;
683 case VIDEO_SOUND_STEREO:
684 sw_data |= TDA9873_TR_STEREO;
686 case VIDEO_SOUND_LANG1:
687 sw_data |= TDA9873_TR_DUALA;
689 case VIDEO_SOUND_LANG2:
690 sw_data |= TDA9873_TR_DUALB;
697 chip_write(chip, TDA9873_SW, sw_data);
698 v4l_dbg(1, debug, &chip->c, "tda9873_setmode(): req. mode %d; chip_write: %d\n",
702 static int tda9873_checkit(struct CHIPSTATE *chip)
706 if (-1 == (rc = chip_read2(chip,254)))
708 return (rc & ~0x1f) == 0x80;
712 /* ---------------------------------------------------------------------- */
713 /* audio chip description - defines+functions for tda9874h and tda9874a */
714 /* Dariusz Kowalewski <darekk@automex.pl> */
716 /* Subaddresses for TDA9874H and TDA9874A (slave rx) */
717 #define TDA9874A_AGCGR 0x00 /* AGC gain */
718 #define TDA9874A_GCONR 0x01 /* general config */
719 #define TDA9874A_MSR 0x02 /* monitor select */
720 #define TDA9874A_C1FRA 0x03 /* carrier 1 freq. */
721 #define TDA9874A_C1FRB 0x04 /* carrier 1 freq. */
722 #define TDA9874A_C1FRC 0x05 /* carrier 1 freq. */
723 #define TDA9874A_C2FRA 0x06 /* carrier 2 freq. */
724 #define TDA9874A_C2FRB 0x07 /* carrier 2 freq. */
725 #define TDA9874A_C2FRC 0x08 /* carrier 2 freq. */
726 #define TDA9874A_DCR 0x09 /* demodulator config */
727 #define TDA9874A_FMER 0x0a /* FM de-emphasis */
728 #define TDA9874A_FMMR 0x0b /* FM dematrix */
729 #define TDA9874A_C1OLAR 0x0c /* ch.1 output level adj. */
730 #define TDA9874A_C2OLAR 0x0d /* ch.2 output level adj. */
731 #define TDA9874A_NCONR 0x0e /* NICAM config */
732 #define TDA9874A_NOLAR 0x0f /* NICAM output level adj. */
733 #define TDA9874A_NLELR 0x10 /* NICAM lower error limit */
734 #define TDA9874A_NUELR 0x11 /* NICAM upper error limit */
735 #define TDA9874A_AMCONR 0x12 /* audio mute control */
736 #define TDA9874A_SDACOSR 0x13 /* stereo DAC output select */
737 #define TDA9874A_AOSR 0x14 /* analog output select */
738 #define TDA9874A_DAICONR 0x15 /* digital audio interface config */
739 #define TDA9874A_I2SOSR 0x16 /* I2S-bus output select */
740 #define TDA9874A_I2SOLAR 0x17 /* I2S-bus output level adj. */
741 #define TDA9874A_MDACOSR 0x18 /* mono DAC output select (tda9874a) */
742 #define TDA9874A_ESP 0xFF /* easy standard progr. (tda9874a) */
744 /* Subaddresses for TDA9874H and TDA9874A (slave tx) */
745 #define TDA9874A_DSR 0x00 /* device status */
746 #define TDA9874A_NSR 0x01 /* NICAM status */
747 #define TDA9874A_NECR 0x02 /* NICAM error count */
748 #define TDA9874A_DR1 0x03 /* add. data LSB */
749 #define TDA9874A_DR2 0x04 /* add. data MSB */
750 #define TDA9874A_LLRA 0x05 /* monitor level read-out LSB */
751 #define TDA9874A_LLRB 0x06 /* monitor level read-out MSB */
752 #define TDA9874A_SIFLR 0x07 /* SIF level */
753 #define TDA9874A_TR2 252 /* test reg. 2 */
754 #define TDA9874A_TR1 253 /* test reg. 1 */
755 #define TDA9874A_DIC 254 /* device id. code */
756 #define TDA9874A_SIC 255 /* software id. code */
759 static int tda9874a_mode = 1; /* 0: A2, 1: NICAM */
760 static int tda9874a_GCONR = 0xc0; /* default config. input pin: SIFSEL=0 */
761 static int tda9874a_NCONR = 0x01; /* default NICAM config.: AMSEL=0,AMUTE=1 */
762 static int tda9874a_ESP = 0x07; /* default standard: NICAM D/K */
763 static int tda9874a_dic = -1; /* device id. code */
765 /* insmod options for tda9874a */
766 static unsigned int tda9874a_SIF = UNSET;
767 static unsigned int tda9874a_AMSEL = UNSET;
768 static unsigned int tda9874a_STD = UNSET;
769 module_param(tda9874a_SIF, int, 0444);
770 module_param(tda9874a_AMSEL, int, 0444);
771 module_param(tda9874a_STD, int, 0444);
774 * initialization table for tda9874 decoder:
775 * - carrier 1 freq. registers (3 bytes)
776 * - carrier 2 freq. registers (3 bytes)
777 * - demudulator config register
778 * - FM de-emphasis register (slow identification mode)
779 * Note: frequency registers must be written in single i2c transfer.
781 static struct tda9874a_MODES {
784 } tda9874a_modelist[9] = {
786 { 9, { TDA9874A_C1FRA, 0x72,0x95,0x55, 0x77,0xA0,0x00, 0x00,0x00 }} },
788 { 9, { TDA9874A_C1FRA, 0x5D,0xC0,0x00, 0x62,0x6A,0xAA, 0x20,0x22 }} },
790 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x82,0x60,0x00, 0x00,0x00 }} },
792 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x8C,0x75,0x55, 0x00,0x00 }} },
794 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x77,0xA0,0x00, 0x00,0x00 }} },
796 { 9, { TDA9874A_C1FRA, 0x7D,0x00,0x00, 0x88,0x8A,0xAA, 0x08,0x33 }} },
798 { 9, { TDA9874A_C1FRA, 0x72,0x95,0x55, 0x79,0xEA,0xAA, 0x08,0x33 }} },
799 { "NICAM, D/K", /* default */
800 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x79,0xEA,0xAA, 0x08,0x33 }} },
802 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x79,0xEA,0xAA, 0x09,0x33 }} }
805 static int tda9874a_setup(struct CHIPSTATE *chip)
807 chip_write(chip, TDA9874A_AGCGR, 0x00); /* 0 dB */
808 chip_write(chip, TDA9874A_GCONR, tda9874a_GCONR);
809 chip_write(chip, TDA9874A_MSR, (tda9874a_mode) ? 0x03:0x02);
810 if(tda9874a_dic == 0x11) {
811 chip_write(chip, TDA9874A_FMMR, 0x80);
812 } else { /* dic == 0x07 */
813 chip_cmd(chip,"tda9874_modelist",&tda9874a_modelist[tda9874a_STD].cmd);
814 chip_write(chip, TDA9874A_FMMR, 0x00);
816 chip_write(chip, TDA9874A_C1OLAR, 0x00); /* 0 dB */
817 chip_write(chip, TDA9874A_C2OLAR, 0x00); /* 0 dB */
818 chip_write(chip, TDA9874A_NCONR, tda9874a_NCONR);
819 chip_write(chip, TDA9874A_NOLAR, 0x00); /* 0 dB */
820 /* Note: If signal quality is poor you may want to change NICAM */
821 /* error limit registers (NLELR and NUELR) to some greater values. */
822 /* Then the sound would remain stereo, but won't be so clear. */
823 chip_write(chip, TDA9874A_NLELR, 0x14); /* default */
824 chip_write(chip, TDA9874A_NUELR, 0x50); /* default */
826 if(tda9874a_dic == 0x11) {
827 chip_write(chip, TDA9874A_AMCONR, 0xf9);
828 chip_write(chip, TDA9874A_SDACOSR, (tda9874a_mode) ? 0x81:0x80);
829 chip_write(chip, TDA9874A_AOSR, 0x80);
830 chip_write(chip, TDA9874A_MDACOSR, (tda9874a_mode) ? 0x82:0x80);
831 chip_write(chip, TDA9874A_ESP, tda9874a_ESP);
832 } else { /* dic == 0x07 */
833 chip_write(chip, TDA9874A_AMCONR, 0xfb);
834 chip_write(chip, TDA9874A_SDACOSR, (tda9874a_mode) ? 0x81:0x80);
835 chip_write(chip, TDA9874A_AOSR, 0x00); /* or 0x10 */
837 v4l_dbg(1, debug, &chip->c, "tda9874a_setup(): %s [0x%02X].\n",
838 tda9874a_modelist[tda9874a_STD].name,tda9874a_STD);
842 static int tda9874a_getmode(struct CHIPSTATE *chip)
845 int necr; /* just for debugging */
847 mode = VIDEO_SOUND_MONO;
849 if(-1 == (dsr = chip_read2(chip,TDA9874A_DSR)))
851 if(-1 == (nsr = chip_read2(chip,TDA9874A_NSR)))
853 if(-1 == (necr = chip_read2(chip,TDA9874A_NECR)))
856 /* need to store dsr/nsr somewhere */
857 chip->shadow.bytes[MAXREGS-2] = dsr;
858 chip->shadow.bytes[MAXREGS-1] = nsr;
861 /* Note: DSR.RSSF and DSR.AMSTAT bits are also checked.
862 * If NICAM auto-muting is enabled, DSR.AMSTAT=1 indicates
863 * that sound has (temporarily) switched from NICAM to
864 * mono FM (or AM) on 1st sound carrier due to high NICAM bit
865 * error count. So in fact there is no stereo in this case :-(
866 * But changing the mode to VIDEO_SOUND_MONO would switch
867 * external 4052 multiplexer in audio_hook().
869 if(nsr & 0x02) /* NSR.S/MB=1 */
870 mode |= VIDEO_SOUND_STEREO;
871 if(nsr & 0x01) /* NSR.D/SB=1 */
872 mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2;
874 if(dsr & 0x02) /* DSR.IDSTE=1 */
875 mode |= VIDEO_SOUND_STEREO;
876 if(dsr & 0x04) /* DSR.IDDUA=1 */
877 mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2;
880 v4l_dbg(1, debug, &chip->c, "tda9874a_getmode(): DSR=0x%X, NSR=0x%X, NECR=0x%X, return: %d.\n",
881 dsr, nsr, necr, mode);
885 static void tda9874a_setmode(struct CHIPSTATE *chip, int mode)
887 /* Disable/enable NICAM auto-muting (based on DSR.RSSF status bit). */
888 /* If auto-muting is disabled, we can hear a signal of degrading quality. */
890 if(chip->shadow.bytes[MAXREGS-2] & 0x20) /* DSR.RSSF=1 */
891 tda9874a_NCONR &= 0xfe; /* enable */
893 tda9874a_NCONR |= 0x01; /* disable */
894 chip_write(chip, TDA9874A_NCONR, tda9874a_NCONR);
897 /* Note: TDA9874A supports automatic FM dematrixing (FMMR register)
898 * and has auto-select function for audio output (AOSR register).
899 * Old TDA9874H doesn't support these features.
900 * TDA9874A also has additional mono output pin (OUTM), which
901 * on same (all?) tv-cards is not used, anyway (as well as MONOIN).
903 if(tda9874a_dic == 0x11) {
905 int mdacosr = (tda9874a_mode) ? 0x82:0x80;
908 case VIDEO_SOUND_MONO:
909 case VIDEO_SOUND_STEREO:
911 case VIDEO_SOUND_LANG1:
912 aosr = 0x80; /* auto-select, dual A/A */
913 mdacosr = (tda9874a_mode) ? 0x82:0x80;
915 case VIDEO_SOUND_LANG2:
916 aosr = 0xa0; /* auto-select, dual B/B */
917 mdacosr = (tda9874a_mode) ? 0x83:0x81;
923 chip_write(chip, TDA9874A_AOSR, aosr);
924 chip_write(chip, TDA9874A_MDACOSR, mdacosr);
926 v4l_dbg(1, debug, &chip->c, "tda9874a_setmode(): req. mode %d; AOSR=0x%X, MDACOSR=0x%X.\n",
927 mode, aosr, mdacosr);
929 } else { /* dic == 0x07 */
933 case VIDEO_SOUND_MONO:
934 fmmr = 0x00; /* mono */
935 aosr = 0x10; /* A/A */
937 case VIDEO_SOUND_STEREO:
940 aosr = 0x00; /* handled by NICAM auto-mute */
942 fmmr = (tda9874a_ESP == 1) ? 0x05 : 0x04; /* stereo */
946 case VIDEO_SOUND_LANG1:
947 fmmr = 0x02; /* dual */
948 aosr = 0x10; /* dual A/A */
950 case VIDEO_SOUND_LANG2:
951 fmmr = 0x02; /* dual */
952 aosr = 0x20; /* dual B/B */
958 chip_write(chip, TDA9874A_FMMR, fmmr);
959 chip_write(chip, TDA9874A_AOSR, aosr);
961 v4l_dbg(1, debug, &chip->c, "tda9874a_setmode(): req. mode %d; FMMR=0x%X, AOSR=0x%X.\n",
966 static int tda9874a_checkit(struct CHIPSTATE *chip)
968 int dic,sic; /* device id. and software id. codes */
970 if(-1 == (dic = chip_read2(chip,TDA9874A_DIC)))
972 if(-1 == (sic = chip_read2(chip,TDA9874A_SIC)))
975 v4l_dbg(1, debug, &chip->c, "tda9874a_checkit(): DIC=0x%X, SIC=0x%X.\n", dic, sic);
977 if((dic == 0x11)||(dic == 0x07)) {
978 v4l_info(&chip->c, "found tda9874%s.\n", (dic == 0x11) ? "a":"h");
979 tda9874a_dic = dic; /* remember device id. */
982 return 0; /* not found */
985 static int tda9874a_initialize(struct CHIPSTATE *chip)
987 if (tda9874a_SIF > 2)
989 if (tda9874a_STD > 8)
991 if(tda9874a_AMSEL > 1)
994 if(tda9874a_SIF == 1)
995 tda9874a_GCONR = 0xc0; /* sound IF input 1 */
997 tda9874a_GCONR = 0xc1; /* sound IF input 2 */
999 tda9874a_ESP = tda9874a_STD;
1000 tda9874a_mode = (tda9874a_STD < 5) ? 0 : 1;
1002 if(tda9874a_AMSEL == 0)
1003 tda9874a_NCONR = 0x01; /* auto-mute: analog mono input */
1005 tda9874a_NCONR = 0x05; /* auto-mute: 1st carrier FM or AM */
1007 tda9874a_setup(chip);
1012 /* ---------------------------------------------------------------------- */
1013 /* audio chip descriptions - defines+functions for tea6420 */
1015 #define TEA6300_VL 0x00 /* volume left */
1016 #define TEA6300_VR 0x01 /* volume right */
1017 #define TEA6300_BA 0x02 /* bass */
1018 #define TEA6300_TR 0x03 /* treble */
1019 #define TEA6300_FA 0x04 /* fader control */
1020 #define TEA6300_S 0x05 /* switch register */
1021 /* values for those registers: */
1022 #define TEA6300_S_SA 0x01 /* stereo A input */
1023 #define TEA6300_S_SB 0x02 /* stereo B */
1024 #define TEA6300_S_SC 0x04 /* stereo C */
1025 #define TEA6300_S_GMU 0x80 /* general mute */
1027 #define TEA6320_V 0x00 /* volume (0-5)/loudness off (6)/zero crossing mute(7) */
1028 #define TEA6320_FFR 0x01 /* fader front right (0-5) */
1029 #define TEA6320_FFL 0x02 /* fader front left (0-5) */
1030 #define TEA6320_FRR 0x03 /* fader rear right (0-5) */
1031 #define TEA6320_FRL 0x04 /* fader rear left (0-5) */
1032 #define TEA6320_BA 0x05 /* bass (0-4) */
1033 #define TEA6320_TR 0x06 /* treble (0-4) */
1034 #define TEA6320_S 0x07 /* switch register */
1035 /* values for those registers: */
1036 #define TEA6320_S_SA 0x07 /* stereo A input */
1037 #define TEA6320_S_SB 0x06 /* stereo B */
1038 #define TEA6320_S_SC 0x05 /* stereo C */
1039 #define TEA6320_S_SD 0x04 /* stereo D */
1040 #define TEA6320_S_GMU 0x80 /* general mute */
1042 #define TEA6420_S_SA 0x00 /* stereo A input */
1043 #define TEA6420_S_SB 0x01 /* stereo B */
1044 #define TEA6420_S_SC 0x02 /* stereo C */
1045 #define TEA6420_S_SD 0x03 /* stereo D */
1046 #define TEA6420_S_SE 0x04 /* stereo E */
1047 #define TEA6420_S_GMU 0x05 /* general mute */
1049 static int tea6300_shift10(int val) { return val >> 10; }
1050 static int tea6300_shift12(int val) { return val >> 12; }
1052 /* Assumes 16bit input (values 0x3f to 0x0c are unique, values less than */
1053 /* 0x0c mirror those immediately higher) */
1054 static int tea6320_volume(int val) { return (val / (65535/(63-12)) + 12) & 0x3f; }
1055 static int tea6320_shift11(int val) { return val >> 11; }
1056 static int tea6320_initialize(struct CHIPSTATE * chip)
1058 chip_write(chip, TEA6320_FFR, 0x3f);
1059 chip_write(chip, TEA6320_FFL, 0x3f);
1060 chip_write(chip, TEA6320_FRR, 0x3f);
1061 chip_write(chip, TEA6320_FRL, 0x3f);
1067 /* ---------------------------------------------------------------------- */
1068 /* audio chip descriptions - defines+functions for tda8425 */
1070 #define TDA8425_VL 0x00 /* volume left */
1071 #define TDA8425_VR 0x01 /* volume right */
1072 #define TDA8425_BA 0x02 /* bass */
1073 #define TDA8425_TR 0x03 /* treble */
1074 #define TDA8425_S1 0x08 /* switch functions */
1075 /* values for those registers: */
1076 #define TDA8425_S1_OFF 0xEE /* audio off (mute on) */
1077 #define TDA8425_S1_CH1 0xCE /* audio channel 1 (mute off) - "linear stereo" mode */
1078 #define TDA8425_S1_CH2 0xCF /* audio channel 2 (mute off) - "linear stereo" mode */
1079 #define TDA8425_S1_MU 0x20 /* mute bit */
1080 #define TDA8425_S1_STEREO 0x18 /* stereo bits */
1081 #define TDA8425_S1_STEREO_SPATIAL 0x18 /* spatial stereo */
1082 #define TDA8425_S1_STEREO_LINEAR 0x08 /* linear stereo */
1083 #define TDA8425_S1_STEREO_PSEUDO 0x10 /* pseudo stereo */
1084 #define TDA8425_S1_STEREO_MONO 0x00 /* forced mono */
1085 #define TDA8425_S1_ML 0x06 /* language selector */
1086 #define TDA8425_S1_ML_SOUND_A 0x02 /* sound a */
1087 #define TDA8425_S1_ML_SOUND_B 0x04 /* sound b */
1088 #define TDA8425_S1_ML_STEREO 0x06 /* stereo */
1089 #define TDA8425_S1_IS 0x01 /* channel selector */
1092 static int tda8425_shift10(int val) { return (val >> 10) | 0xc0; }
1093 static int tda8425_shift12(int val) { return (val >> 12) | 0xf0; }
1095 static int tda8425_initialize(struct CHIPSTATE *chip)
1097 struct CHIPDESC *desc = chiplist + chip->type;
1098 int inputmap[4] = { /* tuner */ TDA8425_S1_CH2, /* radio */ TDA8425_S1_CH1,
1099 /* extern */ TDA8425_S1_CH1, /* intern */ TDA8425_S1_OFF};
1101 if (chip->c.adapter->id == I2C_HW_B_RIVA) {
1102 memcpy (desc->inputmap, inputmap, sizeof (inputmap));
1107 static void tda8425_setmode(struct CHIPSTATE *chip, int mode)
1109 int s1 = chip->shadow.bytes[TDA8425_S1+1] & 0xe1;
1111 if (mode & VIDEO_SOUND_LANG1) {
1112 s1 |= TDA8425_S1_ML_SOUND_A;
1113 s1 |= TDA8425_S1_STEREO_PSEUDO;
1115 } else if (mode & VIDEO_SOUND_LANG2) {
1116 s1 |= TDA8425_S1_ML_SOUND_B;
1117 s1 |= TDA8425_S1_STEREO_PSEUDO;
1120 s1 |= TDA8425_S1_ML_STEREO;
1122 if (mode & VIDEO_SOUND_MONO)
1123 s1 |= TDA8425_S1_STEREO_MONO;
1124 if (mode & VIDEO_SOUND_STEREO)
1125 s1 |= TDA8425_S1_STEREO_SPATIAL;
1127 chip_write(chip,TDA8425_S1,s1);
1131 /* ---------------------------------------------------------------------- */
1132 /* audio chip descriptions - defines+functions for pic16c54 (PV951) */
1134 /* the registers of 16C54, I2C sub address. */
1135 #define PIC16C54_REG_KEY_CODE 0x01 /* Not use. */
1136 #define PIC16C54_REG_MISC 0x02
1138 /* bit definition of the RESET register, I2C data. */
1139 #define PIC16C54_MISC_RESET_REMOTE_CTL 0x01 /* bit 0, Reset to receive the key */
1140 /* code of remote controller */
1141 #define PIC16C54_MISC_MTS_MAIN 0x02 /* bit 1 */
1142 #define PIC16C54_MISC_MTS_SAP 0x04 /* bit 2 */
1143 #define PIC16C54_MISC_MTS_BOTH 0x08 /* bit 3 */
1144 #define PIC16C54_MISC_SND_MUTE 0x10 /* bit 4, Mute Audio(Line-in and Tuner) */
1145 #define PIC16C54_MISC_SND_NOTMUTE 0x20 /* bit 5 */
1146 #define PIC16C54_MISC_SWITCH_TUNER 0x40 /* bit 6 , Switch to Line-in */
1147 #define PIC16C54_MISC_SWITCH_LINE 0x80 /* bit 7 , Switch to Tuner */
1149 /* ---------------------------------------------------------------------- */
1150 /* audio chip descriptions - defines+functions for TA8874Z */
1152 /* write 1st byte */
1153 #define TA8874Z_LED_STE 0x80
1154 #define TA8874Z_LED_BIL 0x40
1155 #define TA8874Z_LED_EXT 0x20
1156 #define TA8874Z_MONO_SET 0x10
1157 #define TA8874Z_MUTE 0x08
1158 #define TA8874Z_F_MONO 0x04
1159 #define TA8874Z_MODE_SUB 0x02
1160 #define TA8874Z_MODE_MAIN 0x01
1162 /* write 2nd byte */
1163 /*#define TA8874Z_TI 0x80 */ /* test mode */
1164 #define TA8874Z_SEPARATION 0x3f
1165 #define TA8874Z_SEPARATION_DEFAULT 0x10
1168 #define TA8874Z_B1 0x80
1169 #define TA8874Z_B0 0x40
1170 #define TA8874Z_CHAG_FLAG 0x20
1178 static int ta8874z_getmode(struct CHIPSTATE *chip)
1182 val = chip_read(chip);
1183 mode = VIDEO_SOUND_MONO;
1184 if (val & TA8874Z_B1){
1185 mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2;
1186 }else if (!(val & TA8874Z_B0)){
1187 mode |= VIDEO_SOUND_STEREO;
1189 /* v4l_dbg(1, debug, &chip->c, "ta8874z_getmode(): raw chip read: 0x%02x, return: 0x%02x\n", val, mode); */
1193 static audiocmd ta8874z_stereo = { 2, {0, TA8874Z_SEPARATION_DEFAULT}};
1194 static audiocmd ta8874z_mono = {2, { TA8874Z_MONO_SET, TA8874Z_SEPARATION_DEFAULT}};
1195 static audiocmd ta8874z_main = {2, { 0, TA8874Z_SEPARATION_DEFAULT}};
1196 static audiocmd ta8874z_sub = {2, { TA8874Z_MODE_SUB, TA8874Z_SEPARATION_DEFAULT}};
1198 static void ta8874z_setmode(struct CHIPSTATE *chip, int mode)
1202 v4l_dbg(1, debug, &chip->c, "ta8874z_setmode(): mode: 0x%02x\n", mode);
1205 case VIDEO_SOUND_MONO:
1208 case VIDEO_SOUND_STEREO:
1209 t = &ta8874z_stereo;
1211 case VIDEO_SOUND_LANG1:
1214 case VIDEO_SOUND_LANG2:
1222 chip_cmd(chip, "TA8874Z", t);
1225 static int ta8874z_checkit(struct CHIPSTATE *chip)
1228 rc = chip_read(chip);
1229 return ((rc & 0x1f) == 0x1f) ? 1 : 0;
1232 /* ---------------------------------------------------------------------- */
1233 /* audio chip descriptions - struct CHIPDESC */
1235 /* insmod options to enable/disable individual audio chips */
1236 static int tda8425 = 1;
1237 static int tda9840 = 1;
1238 static int tda9850 = 1;
1239 static int tda9855 = 1;
1240 static int tda9873 = 1;
1241 static int tda9874a = 1;
1242 static int tea6300 = 0; /* address clash with msp34xx */
1243 static int tea6320 = 0; /* address clash with msp34xx */
1244 static int tea6420 = 1;
1245 static int pic16c54 = 1;
1246 static int ta8874z = 0; /* address clash with tda9840 */
1248 module_param(tda8425, int, 0444);
1249 module_param(tda9840, int, 0444);
1250 module_param(tda9850, int, 0444);
1251 module_param(tda9855, int, 0444);
1252 module_param(tda9873, int, 0444);
1253 module_param(tda9874a, int, 0444);
1254 module_param(tea6300, int, 0444);
1255 module_param(tea6320, int, 0444);
1256 module_param(tea6420, int, 0444);
1257 module_param(pic16c54, int, 0444);
1258 module_param(ta8874z, int, 0444);
1260 static struct CHIPDESC chiplist[] = {
1263 .id = I2C_DRIVERID_TDA9840,
1264 .insmodopt = &tda9840,
1265 .addr_lo = I2C_ADDR_TDA9840 >> 1,
1266 .addr_hi = I2C_ADDR_TDA9840 >> 1,
1269 .checkit = tda9840_checkit,
1270 .getmode = tda9840_getmode,
1271 .setmode = tda9840_setmode,
1272 .checkmode = generic_checkmode,
1274 .init = { 2, { TDA9840_TEST, TDA9840_TEST_INT1SN
1275 /* ,TDA9840_SW, TDA9840_MONO */} }
1279 .id = I2C_DRIVERID_TDA9873,
1280 .checkit = tda9873_checkit,
1281 .insmodopt = &tda9873,
1282 .addr_lo = I2C_ADDR_TDA985x_L >> 1,
1283 .addr_hi = I2C_ADDR_TDA985x_H >> 1,
1285 .flags = CHIP_HAS_INPUTSEL,
1287 .getmode = tda9873_getmode,
1288 .setmode = tda9873_setmode,
1289 .checkmode = generic_checkmode,
1291 .init = { 4, { TDA9873_SW, 0xa4, 0x06, 0x03 } },
1292 .inputreg = TDA9873_SW,
1293 .inputmute = TDA9873_MUTE | TDA9873_AUTOMUTE,
1294 .inputmap = {0xa0, 0xa2, 0xa0, 0xa0},
1295 .inputmask = TDA9873_INP_MASK|TDA9873_MUTE|TDA9873_AUTOMUTE,
1299 .name = "tda9874h/a",
1300 .id = I2C_DRIVERID_TDA9874,
1301 .checkit = tda9874a_checkit,
1302 .initialize = tda9874a_initialize,
1303 .insmodopt = &tda9874a,
1304 .addr_lo = I2C_ADDR_TDA9874 >> 1,
1305 .addr_hi = I2C_ADDR_TDA9874 >> 1,
1307 .getmode = tda9874a_getmode,
1308 .setmode = tda9874a_setmode,
1309 .checkmode = generic_checkmode,
1313 .id = I2C_DRIVERID_TDA9850,
1314 .insmodopt = &tda9850,
1315 .addr_lo = I2C_ADDR_TDA985x_L >> 1,
1316 .addr_hi = I2C_ADDR_TDA985x_H >> 1,
1319 .getmode = tda985x_getmode,
1320 .setmode = tda985x_setmode,
1322 .init = { 8, { TDA9850_C4, 0x08, 0x08, TDA985x_STEREO, 0x07, 0x10, 0x10, 0x03 } }
1326 .id = I2C_DRIVERID_TDA9855,
1327 .insmodopt = &tda9855,
1328 .addr_lo = I2C_ADDR_TDA985x_L >> 1,
1329 .addr_hi = I2C_ADDR_TDA985x_H >> 1,
1331 .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE,
1333 .leftreg = TDA9855_VL,
1334 .rightreg = TDA9855_VR,
1335 .bassreg = TDA9855_BA,
1336 .treblereg = TDA9855_TR,
1337 .volfunc = tda9855_volume,
1338 .bassfunc = tda9855_bass,
1339 .treblefunc = tda9855_treble,
1341 .getmode = tda985x_getmode,
1342 .setmode = tda985x_setmode,
1344 .init = { 12, { 0, 0x6f, 0x6f, 0x0e, 0x07<<1, 0x8<<2,
1345 TDA9855_MUTE | TDA9855_AVL | TDA9855_LOUD | TDA9855_INT,
1346 TDA985x_STEREO | TDA9855_LINEAR | TDA9855_TZCM | TDA9855_VZCM,
1347 0x07, 0x10, 0x10, 0x03 }}
1351 .id = I2C_DRIVERID_TEA6300,
1352 .insmodopt = &tea6300,
1353 .addr_lo = I2C_ADDR_TEA6300 >> 1,
1354 .addr_hi = I2C_ADDR_TEA6300 >> 1,
1356 .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL,
1358 .leftreg = TEA6300_VR,
1359 .rightreg = TEA6300_VL,
1360 .bassreg = TEA6300_BA,
1361 .treblereg = TEA6300_TR,
1362 .volfunc = tea6300_shift10,
1363 .bassfunc = tea6300_shift12,
1364 .treblefunc = tea6300_shift12,
1366 .inputreg = TEA6300_S,
1367 .inputmap = { TEA6300_S_SA, TEA6300_S_SB, TEA6300_S_SC },
1368 .inputmute = TEA6300_S_GMU,
1372 .id = I2C_DRIVERID_TEA6300,
1373 .initialize = tea6320_initialize,
1374 .insmodopt = &tea6320,
1375 .addr_lo = I2C_ADDR_TEA6300 >> 1,
1376 .addr_hi = I2C_ADDR_TEA6300 >> 1,
1378 .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL,
1380 .leftreg = TEA6320_V,
1381 .rightreg = TEA6320_V,
1382 .bassreg = TEA6320_BA,
1383 .treblereg = TEA6320_TR,
1384 .volfunc = tea6320_volume,
1385 .bassfunc = tea6320_shift11,
1386 .treblefunc = tea6320_shift11,
1388 .inputreg = TEA6320_S,
1389 .inputmap = { TEA6320_S_SA, TEA6420_S_SB, TEA6300_S_SC, TEA6320_S_SD },
1390 .inputmute = TEA6300_S_GMU,
1394 .id = I2C_DRIVERID_TEA6420,
1395 .insmodopt = &tea6420,
1396 .addr_lo = I2C_ADDR_TEA6420 >> 1,
1397 .addr_hi = I2C_ADDR_TEA6420 >> 1,
1399 .flags = CHIP_HAS_INPUTSEL,
1402 .inputmap = { TEA6420_S_SA, TEA6420_S_SB, TEA6420_S_SC },
1403 .inputmute = TEA6300_S_GMU,
1407 .id = I2C_DRIVERID_TDA8425,
1408 .insmodopt = &tda8425,
1409 .addr_lo = I2C_ADDR_TDA8425 >> 1,
1410 .addr_hi = I2C_ADDR_TDA8425 >> 1,
1412 .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL,
1414 .leftreg = TDA8425_VL,
1415 .rightreg = TDA8425_VR,
1416 .bassreg = TDA8425_BA,
1417 .treblereg = TDA8425_TR,
1418 .volfunc = tda8425_shift10,
1419 .bassfunc = tda8425_shift12,
1420 .treblefunc = tda8425_shift12,
1422 .inputreg = TDA8425_S1,
1423 .inputmap = { TDA8425_S1_CH1, TDA8425_S1_CH1, TDA8425_S1_CH1 },
1424 .inputmute = TDA8425_S1_OFF,
1426 .setmode = tda8425_setmode,
1427 .initialize = tda8425_initialize,
1430 .name = "pic16c54 (PV951)",
1431 .id = I2C_DRIVERID_PIC16C54_PV9,
1432 .insmodopt = &pic16c54,
1433 .addr_lo = I2C_ADDR_PIC16C54 >> 1,
1434 .addr_hi = I2C_ADDR_PIC16C54>> 1,
1436 .flags = CHIP_HAS_INPUTSEL,
1438 .inputreg = PIC16C54_REG_MISC,
1439 .inputmap = {PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_TUNER,
1440 PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_LINE,
1441 PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_LINE,
1442 PIC16C54_MISC_SND_MUTE},
1443 .inputmute = PIC16C54_MISC_SND_MUTE,
1448 /*.id = I2C_DRIVERID_TA8874Z, */
1449 .checkit = ta8874z_checkit,
1450 .insmodopt = &ta8874z,
1451 .addr_lo = I2C_ADDR_TDA9840 >> 1,
1452 .addr_hi = I2C_ADDR_TDA9840 >> 1,
1455 .getmode = ta8874z_getmode,
1456 .setmode = ta8874z_setmode,
1457 .checkmode = generic_checkmode,
1459 .init = {2, { TA8874Z_MONO_SET, TA8874Z_SEPARATION_DEFAULT}},
1461 { .name = NULL } /* EOF */
1465 /* ---------------------------------------------------------------------- */
1466 /* i2c registration */
1468 static int chip_attach(struct i2c_adapter *adap, int addr, int kind)
1470 struct CHIPSTATE *chip;
1471 struct CHIPDESC *desc;
1473 chip = kzalloc(sizeof(*chip),GFP_KERNEL);
1476 memcpy(&chip->c,&client_template,sizeof(struct i2c_client));
1477 chip->c.adapter = adap;
1478 chip->c.addr = addr;
1479 i2c_set_clientdata(&chip->c, chip);
1481 /* find description for the chip */
1482 v4l_dbg(1, debug, &chip->c, "chip found @ 0x%x\n", addr<<1);
1483 for (desc = chiplist; desc->name != NULL; desc++) {
1484 if (0 == *(desc->insmodopt))
1486 if (addr < desc->addr_lo ||
1487 addr > desc->addr_hi)
1489 if (desc->checkit && !desc->checkit(chip))
1493 if (desc->name == NULL) {
1494 v4l_dbg(1, debug, &chip->c, "no matching chip description found\n");
1497 v4l_info(&chip->c, "%s found @ 0x%x (%s)\n", desc->name, addr<<1, adap->name);
1499 v4l_dbg(1, debug, &chip->c, "matches:%s%s%s.\n",
1500 (desc->flags & CHIP_HAS_VOLUME) ? " volume" : "",
1501 (desc->flags & CHIP_HAS_BASSTREBLE) ? " bass/treble" : "",
1502 (desc->flags & CHIP_HAS_INPUTSEL) ? " audiomux" : "");
1505 /* fill required data structures */
1506 strcpy(chip->c.name, desc->name);
1507 chip->type = desc-chiplist;
1508 chip->shadow.count = desc->registers+1;
1509 chip->prevmode = -1;
1510 chip->audmode = V4L2_TUNER_MODE_LANG1;
1512 i2c_attach_client(&chip->c);
1514 /* initialization */
1515 if (desc->initialize != NULL)
1516 desc->initialize(chip);
1518 chip_cmd(chip,"init",&desc->init);
1520 if (desc->flags & CHIP_HAS_VOLUME) {
1521 chip->left = desc->leftinit ? desc->leftinit : 65535;
1522 chip->right = desc->rightinit ? desc->rightinit : 65535;
1523 chip_write(chip,desc->leftreg,desc->volfunc(chip->left));
1524 chip_write(chip,desc->rightreg,desc->volfunc(chip->right));
1526 if (desc->flags & CHIP_HAS_BASSTREBLE) {
1527 chip->treble = desc->trebleinit ? desc->trebleinit : 32768;
1528 chip->bass = desc->bassinit ? desc->bassinit : 32768;
1529 chip_write(chip,desc->bassreg,desc->bassfunc(chip->bass));
1530 chip_write(chip,desc->treblereg,desc->treblefunc(chip->treble));
1533 chip->thread = NULL;
1534 if (desc->checkmode) {
1535 /* start async thread */
1536 init_timer(&chip->wt);
1537 chip->wt.function = chip_thread_wake;
1538 chip->wt.data = (unsigned long)chip;
1539 chip->thread = kthread_run(chip_thread, chip, chip->c.name);
1540 if (IS_ERR(chip->thread)) {
1541 v4l_warn(&chip->c, "%s: failed to create kthread\n",
1543 chip->thread = NULL;
1549 static int chip_probe(struct i2c_adapter *adap)
1551 /* don't attach on saa7146 based cards,
1552 because dedicated drivers are used */
1553 if ((adap->id == I2C_HW_SAA7146))
1555 if (adap->class & I2C_CLASS_TV_ANALOG)
1556 return i2c_probe(adap, &addr_data, chip_attach);
1560 static int chip_detach(struct i2c_client *client)
1562 struct CHIPSTATE *chip = i2c_get_clientdata(client);
1564 del_timer_sync(&chip->wt);
1566 /* shutdown async thread */
1567 kthread_stop(chip->thread);
1568 chip->thread = NULL;
1571 i2c_detach_client(&chip->c);
1576 static int tvaudio_set_ctrl(struct CHIPSTATE *chip, struct v4l2_control *ctrl)
1578 struct CHIPDESC *desc = chiplist + chip->type;
1581 case V4L2_CID_AUDIO_MUTE:
1582 if (ctrl->value < 0 || ctrl->value >= 2)
1584 chip->muted = ctrl->value;
1586 chip_write_masked(chip,desc->inputreg,desc->inputmute,desc->inputmask);
1588 chip_write_masked(chip,desc->inputreg,
1589 desc->inputmap[chip->input],desc->inputmask);
1598 /* ---------------------------------------------------------------------- */
1599 /* video4linux interface */
1601 static int chip_command(struct i2c_client *client,
1602 unsigned int cmd, void *arg)
1604 struct CHIPSTATE *chip = i2c_get_clientdata(client);
1605 struct CHIPDESC *desc = chiplist + chip->type;
1607 v4l_dbg(1, debug, &chip->c, "%s: chip_command 0x%x\n", chip->c.name, cmd);
1610 case AUDC_SET_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;
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 return tvaudio_set_ctrl(chip, arg);
1676 case VIDIOC_INT_G_AUDIO_ROUTING:
1678 struct v4l2_routing *rt = arg;
1680 rt->input = chip->input;
1685 case VIDIOC_INT_S_AUDIO_ROUTING:
1687 struct v4l2_routing *rt = arg;
1689 if (!(desc->flags & CHIP_HAS_INPUTSEL) || rt->input >= 4)
1691 /* There are four inputs: tuner, radio, extern and intern. */
1692 chip->input = rt->input;
1695 chip_write_masked(chip, desc->inputreg,
1696 desc->inputmap[chip->input], desc->inputmask);
1700 case VIDIOC_S_TUNER:
1702 struct v4l2_tuner *vt = arg;
1707 switch (vt->audmode) {
1708 case V4L2_TUNER_MODE_MONO:
1709 mode = VIDEO_SOUND_MONO;
1711 case V4L2_TUNER_MODE_STEREO:
1712 case V4L2_TUNER_MODE_LANG1_LANG2:
1713 mode = VIDEO_SOUND_STEREO;
1715 case V4L2_TUNER_MODE_LANG1:
1716 mode = VIDEO_SOUND_LANG1;
1718 case V4L2_TUNER_MODE_LANG2:
1719 mode = VIDEO_SOUND_LANG2;
1724 chip->audmode = vt->audmode;
1726 if (desc->setmode && mode) {
1727 chip->watch_stereo = 0;
1728 /* del_timer(&chip->wt); */
1730 desc->setmode(chip, mode);
1735 case VIDIOC_G_TUNER:
1737 struct v4l2_tuner *vt = arg;
1738 int mode = VIDEO_SOUND_MONO;
1742 vt->audmode = chip->audmode;
1744 vt->capability = V4L2_TUNER_CAP_STEREO |
1745 V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2;
1748 mode = desc->getmode(chip);
1750 if (mode & VIDEO_SOUND_MONO)
1751 vt->rxsubchans |= V4L2_TUNER_SUB_MONO;
1752 if (mode & VIDEO_SOUND_STEREO)
1753 vt->rxsubchans |= V4L2_TUNER_SUB_STEREO;
1754 /* Note: for SAP it should be mono/lang2 or stereo/lang2.
1755 When this module is converted fully to v4l2, then this
1756 should change for those chips that can detect SAP. */
1757 if (mode & VIDEO_SOUND_LANG1)
1758 vt->rxsubchans = V4L2_TUNER_SUB_LANG1 |
1759 V4L2_TUNER_SUB_LANG2;
1769 case VIDIOC_S_FREQUENCY:
1770 chip->mode = 0; /* automatic */
1771 if (desc->checkmode) {
1772 desc->setmode(chip,VIDEO_SOUND_MONO);
1773 if (chip->prevmode != VIDEO_SOUND_MONO)
1774 chip->prevmode = -1; /* reset previous mode */
1775 mod_timer(&chip->wt, jiffies+2*HZ);
1776 /* the thread will call checkmode() later */
1780 case VIDIOC_G_CHIP_IDENT:
1781 return v4l2_chip_ident_i2c_client(client, arg, V4L2_IDENT_TVAUDIO, 0);
1786 static struct i2c_driver driver = {
1790 .id = I2C_DRIVERID_TVAUDIO,
1791 .attach_adapter = chip_probe,
1792 .detach_client = chip_detach,
1793 .command = chip_command,
1796 static struct i2c_client client_template =
1802 static int __init audiochip_init_module(void)
1804 struct CHIPDESC *desc;
1807 printk(KERN_INFO "tvaudio: TV audio decoder + audio/video mux driver\n");
1808 printk(KERN_INFO "tvaudio: known chips: ");
1809 for (desc = chiplist; desc->name != NULL; desc++)
1810 printk("%s%s", (desc == chiplist) ? "" : ", ", desc->name);
1814 return i2c_add_driver(&driver);
1817 static void __exit audiochip_cleanup_module(void)
1819 i2c_del_driver(&driver);
1822 module_init(audiochip_init_module);
1823 module_exit(audiochip_cleanup_module);