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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * experimental driver for simple i2c audio chips.
3 *
4 * Copyright (c) 2000 Gerd Knorr
5 * based on code by:
6 * Eric Sandeen (eric_sandeen@bigfoot.com)
7 * Steve VanDeBogart (vandebo@uclink.berkeley.edu)
8 * Greg Alexander (galexand@acm.org)
9 *
10 * This code is placed under the terms of the GNU General Public License
11 *
12 * OPTIONS:
13 * debug - set to 1 if you'd like to see debug messages
14 *
15 */
16
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>
32
33#include <media/audiochip.h>
34#include <media/id.h>
35
36#include "tvaudio.h"
37
38/* ---------------------------------------------------------------------- */
39/* insmod args */
40
41static int debug = 0; /* insmod parameter */
42module_param(debug, int, 0644);
43
44MODULE_DESCRIPTION("device driver for various i2c TV sound decoder / audiomux chips");
45MODULE_AUTHOR("Eric Sandeen, Steve VanDeBogart, Greg Alexander, Gerd Knorr");
46MODULE_LICENSE("GPL");
47
48#define UNSET (-1U)
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -070049
50#define tvaudio_info(fmt, arg...) do {\
51 printk(KERN_INFO "tvaudio %d-%04x: " fmt, \
52 chip->c.adapter->nr, chip->c.addr , ##arg); } while (0)
53#define tvaudio_warn(fmt, arg...) do {\
54 printk(KERN_WARNING "tvaudio %d-%04x: " fmt, \
55 chip->c.adapter->nr, chip->c.addr , ##arg); } while (0)
56#define tvaudio_dbg(fmt, arg...) do {\
57 if (debug) \
58 printk(KERN_INFO "tvaudio %d-%04x: " fmt, \
59 chip->c.adapter->nr, chip->c.addr , ##arg); } while (0)
Linus Torvalds1da177e2005-04-16 15:20:36 -070060
61/* ---------------------------------------------------------------------- */
62/* our structs */
63
64#define MAXREGS 64
65
66struct CHIPSTATE;
67typedef int (*getvalue)(int);
68typedef int (*checkit)(struct CHIPSTATE*);
69typedef int (*initialize)(struct CHIPSTATE*);
70typedef int (*getmode)(struct CHIPSTATE*);
71typedef void (*setmode)(struct CHIPSTATE*, int mode);
72typedef void (*checkmode)(struct CHIPSTATE*);
73
74/* i2c command */
75typedef struct AUDIOCMD {
76 int count; /* # of bytes to send */
77 unsigned char bytes[MAXREGS+1]; /* addr, data, data, ... */
78} audiocmd;
79
80/* chip description */
81struct CHIPDESC {
82 char *name; /* chip name */
83 int id; /* ID */
84 int addr_lo, addr_hi; /* i2c address range */
85 int registers; /* # of registers */
86
87 int *insmodopt;
88 checkit checkit;
89 initialize initialize;
90 int flags;
91#define CHIP_HAS_VOLUME 1
92#define CHIP_HAS_BASSTREBLE 2
93#define CHIP_HAS_INPUTSEL 4
94
95 /* various i2c command sequences */
96 audiocmd init;
97
98 /* which register has which value */
99 int leftreg,rightreg,treblereg,bassreg;
100
101 /* initialize with (defaults to 65535/65535/32768/32768 */
102 int leftinit,rightinit,trebleinit,bassinit;
103
104 /* functions to convert the values (v4l -> chip) */
105 getvalue volfunc,treblefunc,bassfunc;
106
107 /* get/set mode */
108 getmode getmode;
109 setmode setmode;
110
111 /* check / autoswitch audio after channel switches */
112 checkmode checkmode;
113
114 /* input switch register + values for v4l inputs */
115 int inputreg;
116 int inputmap[8];
117 int inputmute;
118 int inputmask;
119};
120static struct CHIPDESC chiplist[];
121
122/* current state of the chip */
123struct CHIPSTATE {
124 struct i2c_client c;
125
126 /* index into CHIPDESC array */
127 int type;
128
129 /* shadow register set */
130 audiocmd shadow;
131
132 /* current settings */
133 __u16 left,right,treble,bass,mode;
134 int prevmode;
135 int norm;
136
137 /* thread */
138 pid_t tpid;
139 struct completion texit;
140 wait_queue_head_t wq;
141 struct timer_list wt;
142 int done;
143 int watch_stereo;
144};
145
146#define VIDEO_MODE_RADIO 16 /* norm magic for radio mode */
147
148/* ---------------------------------------------------------------------- */
149/* i2c addresses */
150
151static unsigned short normal_i2c[] = {
152 I2C_TDA8425 >> 1,
153 I2C_TEA6300 >> 1,
154 I2C_TEA6420 >> 1,
155 I2C_TDA9840 >> 1,
156 I2C_TDA985x_L >> 1,
157 I2C_TDA985x_H >> 1,
158 I2C_TDA9874 >> 1,
159 I2C_PIC16C54 >> 1,
160 I2C_CLIENT_END };
Linus Torvalds1da177e2005-04-16 15:20:36 -0700161I2C_CLIENT_INSMOD;
162
163static struct i2c_driver driver;
164static struct i2c_client client_template;
165
166
167/* ---------------------------------------------------------------------- */
168/* i2c I/O functions */
169
170static int chip_write(struct CHIPSTATE *chip, int subaddr, int val)
171{
172 unsigned char buffer[2];
173
174 if (-1 == subaddr) {
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -0700175 tvaudio_dbg("%s: chip_write: 0x%x\n",
176 chip->c.name, val);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700177 chip->shadow.bytes[1] = val;
178 buffer[0] = val;
179 if (1 != i2c_master_send(&chip->c,buffer,1)) {
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -0700180 tvaudio_warn("%s: I/O error (write 0x%x)\n",
181 chip->c.name, val);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700182 return -1;
183 }
184 } else {
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -0700185 tvaudio_dbg("%s: chip_write: reg%d=0x%x\n",
Jean Delvarefae91e72005-08-15 19:57:04 +0200186 chip->c.name, subaddr, val);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700187 chip->shadow.bytes[subaddr+1] = val;
188 buffer[0] = subaddr;
189 buffer[1] = val;
190 if (2 != i2c_master_send(&chip->c,buffer,2)) {
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -0700191 tvaudio_warn("%s: I/O error (write reg%d=0x%x)\n",
192 chip->c.name, subaddr, val);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700193 return -1;
194 }
195 }
196 return 0;
197}
198
199static int chip_write_masked(struct CHIPSTATE *chip, int subaddr, int val, int mask)
200{
201 if (mask != 0) {
202 if (-1 == subaddr) {
203 val = (chip->shadow.bytes[1] & ~mask) | (val & mask);
204 } else {
205 val = (chip->shadow.bytes[subaddr+1] & ~mask) | (val & mask);
206 }
207 }
208 return chip_write(chip, subaddr, val);
209}
210
211static int chip_read(struct CHIPSTATE *chip)
212{
213 unsigned char buffer;
214
215 if (1 != i2c_master_recv(&chip->c,&buffer,1)) {
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -0700216 tvaudio_warn("%s: I/O error (read)\n",
217 chip->c.name);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700218 return -1;
219 }
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -0700220 tvaudio_dbg("%s: chip_read: 0x%x\n",chip->c.name,buffer);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700221 return buffer;
222}
223
224static int chip_read2(struct CHIPSTATE *chip, int subaddr)
225{
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -0700226 unsigned char write[1];
227 unsigned char read[1];
228 struct i2c_msg msgs[2] = {
229 { chip->c.addr, 0, 1, write },
230 { chip->c.addr, I2C_M_RD, 1, read }
231 };
232 write[0] = subaddr;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700233
234 if (2 != i2c_transfer(chip->c.adapter,msgs,2)) {
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -0700235 tvaudio_warn("%s: I/O error (read2)\n", chip->c.name);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700236 return -1;
237 }
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -0700238 tvaudio_dbg("%s: chip_read2: reg%d=0x%x\n",
239 chip->c.name,subaddr,read[0]);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700240 return read[0];
241}
242
243static int chip_cmd(struct CHIPSTATE *chip, char *name, audiocmd *cmd)
244{
245 int i;
246
247 if (0 == cmd->count)
248 return 0;
249
250 /* update our shadow register set; print bytes if (debug > 0) */
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -0700251 tvaudio_dbg("%s: chip_cmd(%s): reg=%d, data:",
252 chip->c.name,name,cmd->bytes[0]);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700253 for (i = 1; i < cmd->count; i++) {
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -0700254 if (debug)
255 printk(" 0x%x",cmd->bytes[i]);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700256 chip->shadow.bytes[i+cmd->bytes[0]] = cmd->bytes[i];
257 }
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -0700258 if (debug)
259 printk("\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700260
261 /* send data to the chip */
262 if (cmd->count != i2c_master_send(&chip->c,cmd->bytes,cmd->count)) {
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -0700263 tvaudio_warn("%s: I/O error (%s)\n", chip->c.name, name);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700264 return -1;
265 }
266 return 0;
267}
268
269/* ---------------------------------------------------------------------- */
270/* kernel thread for doing i2c stuff asyncronly
271 * right now it is used only to check the audio mode (mono/stereo/whatever)
272 * some time after switching to another TV channel, then turn on stereo
273 * if available, ...
274 */
275
276static void chip_thread_wake(unsigned long data)
277{
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -0700278 struct CHIPSTATE *chip = (struct CHIPSTATE*)data;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700279 wake_up_interruptible(&chip->wq);
280}
281
282static int chip_thread(void *data)
283{
284 DECLARE_WAITQUEUE(wait, current);
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -0700285 struct CHIPSTATE *chip = data;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700286 struct CHIPDESC *desc = chiplist + chip->type;
287
Jean Delvarefae91e72005-08-15 19:57:04 +0200288 daemonize("%s", chip->c.name);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700289 allow_signal(SIGTERM);
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -0700290 tvaudio_dbg("%s: thread started\n", chip->c.name);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700291
292 for (;;) {
293 add_wait_queue(&chip->wq, &wait);
294 if (!chip->done) {
295 set_current_state(TASK_INTERRUPTIBLE);
296 schedule();
297 }
298 remove_wait_queue(&chip->wq, &wait);
Nigel Cunningham5e50e7a2005-07-27 11:43:35 -0700299 try_to_freeze();
Linus Torvalds1da177e2005-04-16 15:20:36 -0700300 if (chip->done || signal_pending(current))
301 break;
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -0700302 tvaudio_dbg("%s: thread wakeup\n", chip->c.name);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700303
304 /* don't do anything for radio or if mode != auto */
305 if (chip->norm == VIDEO_MODE_RADIO || chip->mode != 0)
306 continue;
307
308 /* have a look what's going on */
309 desc->checkmode(chip);
310
311 /* schedule next check */
312 mod_timer(&chip->wt, jiffies+2*HZ);
313 }
314
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -0700315 tvaudio_dbg("%s: thread exiting\n", chip->c.name);
316 complete_and_exit(&chip->texit, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700317 return 0;
318}
319
320static void generic_checkmode(struct CHIPSTATE *chip)
321{
322 struct CHIPDESC *desc = chiplist + chip->type;
323 int mode = desc->getmode(chip);
324
325 if (mode == chip->prevmode)
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -0700326 return;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700327
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -0700328 tvaudio_dbg("%s: thread checkmode\n", chip->c.name);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700329 chip->prevmode = mode;
330
331 if (mode & VIDEO_SOUND_STEREO)
332 desc->setmode(chip,VIDEO_SOUND_STEREO);
333 else if (mode & VIDEO_SOUND_LANG1)
334 desc->setmode(chip,VIDEO_SOUND_LANG1);
335 else if (mode & VIDEO_SOUND_LANG2)
336 desc->setmode(chip,VIDEO_SOUND_LANG2);
337 else
338 desc->setmode(chip,VIDEO_SOUND_MONO);
339}
340
341/* ---------------------------------------------------------------------- */
342/* audio chip descriptions - defines+functions for tda9840 */
343
344#define TDA9840_SW 0x00
345#define TDA9840_LVADJ 0x02
346#define TDA9840_STADJ 0x03
347#define TDA9840_TEST 0x04
348
349#define TDA9840_MONO 0x10
350#define TDA9840_STEREO 0x2a
351#define TDA9840_DUALA 0x12
352#define TDA9840_DUALB 0x1e
353#define TDA9840_DUALAB 0x1a
354#define TDA9840_DUALBA 0x16
355#define TDA9840_EXTERNAL 0x7a
356
357#define TDA9840_DS_DUAL 0x20 /* Dual sound identified */
358#define TDA9840_ST_STEREO 0x40 /* Stereo sound identified */
359#define TDA9840_PONRES 0x80 /* Power-on reset detected if = 1 */
360
361#define TDA9840_TEST_INT1SN 0x1 /* Integration time 0.5s when set */
362#define TDA9840_TEST_INTFU 0x02 /* Disables integrator function */
363
364static int tda9840_getmode(struct CHIPSTATE *chip)
365{
366 int val, mode;
367
368 val = chip_read(chip);
369 mode = VIDEO_SOUND_MONO;
370 if (val & TDA9840_DS_DUAL)
371 mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2;
372 if (val & TDA9840_ST_STEREO)
373 mode |= VIDEO_SOUND_STEREO;
374
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -0700375 tvaudio_dbg ("tda9840_getmode(): raw chip read: %d, return: %d\n",
376 val, mode);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700377 return mode;
378}
379
380static void tda9840_setmode(struct CHIPSTATE *chip, int mode)
381{
382 int update = 1;
383 int t = chip->shadow.bytes[TDA9840_SW + 1] & ~0x7e;
384
385 switch (mode) {
386 case VIDEO_SOUND_MONO:
387 t |= TDA9840_MONO;
388 break;
389 case VIDEO_SOUND_STEREO:
390 t |= TDA9840_STEREO;
391 break;
392 case VIDEO_SOUND_LANG1:
393 t |= TDA9840_DUALA;
394 break;
395 case VIDEO_SOUND_LANG2:
396 t |= TDA9840_DUALB;
397 break;
398 default:
399 update = 0;
400 }
401
402 if (update)
403 chip_write(chip, TDA9840_SW, t);
404}
405
406/* ---------------------------------------------------------------------- */
407/* audio chip descriptions - defines+functions for tda985x */
408
409/* subaddresses for TDA9855 */
410#define TDA9855_VR 0x00 /* Volume, right */
411#define TDA9855_VL 0x01 /* Volume, left */
412#define TDA9855_BA 0x02 /* Bass */
413#define TDA9855_TR 0x03 /* Treble */
414#define TDA9855_SW 0x04 /* Subwoofer - not connected on DTV2000 */
415
416/* subaddresses for TDA9850 */
417#define TDA9850_C4 0x04 /* Control 1 for TDA9850 */
418
419/* subaddesses for both chips */
420#define TDA985x_C5 0x05 /* Control 2 for TDA9850, Control 1 for TDA9855 */
421#define TDA985x_C6 0x06 /* Control 3 for TDA9850, Control 2 for TDA9855 */
422#define TDA985x_C7 0x07 /* Control 4 for TDA9850, Control 3 for TDA9855 */
423#define TDA985x_A1 0x08 /* Alignment 1 for both chips */
424#define TDA985x_A2 0x09 /* Alignment 2 for both chips */
425#define TDA985x_A3 0x0a /* Alignment 3 for both chips */
426
427/* Masks for bits in TDA9855 subaddresses */
428/* 0x00 - VR in TDA9855 */
429/* 0x01 - VL in TDA9855 */
430/* lower 7 bits control gain from -71dB (0x28) to 16dB (0x7f)
431 * in 1dB steps - mute is 0x27 */
432
433
434/* 0x02 - BA in TDA9855 */
435/* lower 5 bits control bass gain from -12dB (0x06) to 16.5dB (0x19)
436 * in .5dB steps - 0 is 0x0E */
437
438
439/* 0x03 - TR in TDA9855 */
440/* 4 bits << 1 control treble gain from -12dB (0x3) to 12dB (0xb)
441 * in 3dB steps - 0 is 0x7 */
442
443/* Masks for bits in both chips' subaddresses */
444/* 0x04 - SW in TDA9855, C4/Control 1 in TDA9850 */
445/* Unique to TDA9855: */
446/* 4 bits << 2 control subwoofer/surround gain from -14db (0x1) to 14db (0xf)
447 * in 3dB steps - mute is 0x0 */
448
449/* Unique to TDA9850: */
450/* lower 4 bits control stereo noise threshold, over which stereo turns off
451 * set to values of 0x00 through 0x0f for Ster1 through Ster16 */
452
453
454/* 0x05 - C5 - Control 1 in TDA9855 , Control 2 in TDA9850*/
455/* Unique to TDA9855: */
456#define TDA9855_MUTE 1<<7 /* GMU, Mute at outputs */
457#define TDA9855_AVL 1<<6 /* AVL, Automatic Volume Level */
458#define TDA9855_LOUD 1<<5 /* Loudness, 1==off */
459#define TDA9855_SUR 1<<3 /* Surround / Subwoofer 1==.5(L-R) 0==.5(L+R) */
460 /* Bits 0 to 3 select various combinations
461 * of line in and line out, only the
462 * interesting ones are defined */
463#define TDA9855_EXT 1<<2 /* Selects inputs LIR and LIL. Pins 41 & 12 */
464#define TDA9855_INT 0 /* Selects inputs LOR and LOL. (internal) */
465
466/* Unique to TDA9850: */
467/* lower 4 bits contol SAP noise threshold, over which SAP turns off
468 * set to values of 0x00 through 0x0f for SAP1 through SAP16 */
469
470
471/* 0x06 - C6 - Control 2 in TDA9855, Control 3 in TDA9850 */
472/* Common to TDA9855 and TDA9850: */
473#define TDA985x_SAP 3<<6 /* Selects SAP output, mute if not received */
474#define TDA985x_STEREO 1<<6 /* Selects Stereo ouput, mono if not received */
475#define TDA985x_MONO 0 /* Forces Mono output */
476#define TDA985x_LMU 1<<3 /* Mute (LOR/LOL for 9855, OUTL/OUTR for 9850) */
477
478/* Unique to TDA9855: */
479#define TDA9855_TZCM 1<<5 /* If set, don't mute till zero crossing */
480#define TDA9855_VZCM 1<<4 /* If set, don't change volume till zero crossing*/
481#define TDA9855_LINEAR 0 /* Linear Stereo */
482#define TDA9855_PSEUDO 1 /* Pseudo Stereo */
483#define TDA9855_SPAT_30 2 /* Spatial Stereo, 30% anti-phase crosstalk */
484#define TDA9855_SPAT_50 3 /* Spatial Stereo, 52% anti-phase crosstalk */
485#define TDA9855_E_MONO 7 /* Forced mono - mono select elseware, so useless*/
486
487/* 0x07 - C7 - Control 3 in TDA9855, Control 4 in TDA9850 */
488/* Common to both TDA9855 and TDA9850: */
489/* lower 4 bits control input gain from -3.5dB (0x0) to 4dB (0xF)
490 * in .5dB steps - 0dB is 0x7 */
491
492/* 0x08, 0x09 - A1 and A2 (read/write) */
493/* Common to both TDA9855 and TDA9850: */
494/* lower 5 bites are wideband and spectral expander alignment
495 * from 0x00 to 0x1f - nominal at 0x0f and 0x10 (read/write) */
496#define TDA985x_STP 1<<5 /* Stereo Pilot/detect (read-only) */
497#define TDA985x_SAPP 1<<6 /* SAP Pilot/detect (read-only) */
498#define TDA985x_STS 1<<7 /* Stereo trigger 1= <35mV 0= <30mV (write-only)*/
499
500/* 0x0a - A3 */
501/* Common to both TDA9855 and TDA9850: */
502/* lower 3 bits control timing current for alignment: -30% (0x0), -20% (0x1),
503 * -10% (0x2), nominal (0x3), +10% (0x6), +20% (0x5), +30% (0x4) */
504#define TDA985x_ADJ 1<<7 /* Stereo adjust on/off (wideband and spectral */
505
506static int tda9855_volume(int val) { return val/0x2e8+0x27; }
507static int tda9855_bass(int val) { return val/0xccc+0x06; }
508static int tda9855_treble(int val) { return (val/0x1c71+0x3)<<1; }
509
510static int tda985x_getmode(struct CHIPSTATE *chip)
511{
512 int mode;
513
514 mode = ((TDA985x_STP | TDA985x_SAPP) &
515 chip_read(chip)) >> 4;
516 /* Add mono mode regardless of SAP and stereo */
517 /* Allows forced mono */
518 return mode | VIDEO_SOUND_MONO;
519}
520
521static void tda985x_setmode(struct CHIPSTATE *chip, int mode)
522{
523 int update = 1;
524 int c6 = chip->shadow.bytes[TDA985x_C6+1] & 0x3f;
525
526 switch (mode) {
527 case VIDEO_SOUND_MONO:
528 c6 |= TDA985x_MONO;
529 break;
530 case VIDEO_SOUND_STEREO:
531 c6 |= TDA985x_STEREO;
532 break;
533 case VIDEO_SOUND_LANG1:
534 c6 |= TDA985x_SAP;
535 break;
536 default:
537 update = 0;
538 }
539 if (update)
540 chip_write(chip,TDA985x_C6,c6);
541}
542
543
544/* ---------------------------------------------------------------------- */
545/* audio chip descriptions - defines+functions for tda9873h */
546
547/* Subaddresses for TDA9873H */
548
549#define TDA9873_SW 0x00 /* Switching */
550#define TDA9873_AD 0x01 /* Adjust */
551#define TDA9873_PT 0x02 /* Port */
552
553/* Subaddress 0x00: Switching Data
554 * B7..B0:
555 *
556 * B1, B0: Input source selection
557 * 0, 0 internal
558 * 1, 0 external stereo
559 * 0, 1 external mono
560 */
561#define TDA9873_INP_MASK 3
562#define TDA9873_INTERNAL 0
563#define TDA9873_EXT_STEREO 2
564#define TDA9873_EXT_MONO 1
565
566/* B3, B2: output signal select
567 * B4 : transmission mode
568 * 0, 0, 1 Mono
569 * 1, 0, 0 Stereo
570 * 1, 1, 1 Stereo (reversed channel)
571 * 0, 0, 0 Dual AB
572 * 0, 0, 1 Dual AA
573 * 0, 1, 0 Dual BB
574 * 0, 1, 1 Dual BA
575 */
576
577#define TDA9873_TR_MASK (7 << 2)
578#define TDA9873_TR_MONO 4
579#define TDA9873_TR_STEREO 1 << 4
580#define TDA9873_TR_REVERSE (1 << 3) & (1 << 2)
581#define TDA9873_TR_DUALA 1 << 2
582#define TDA9873_TR_DUALB 1 << 3
583
584/* output level controls
585 * B5: output level switch (0 = reduced gain, 1 = normal gain)
586 * B6: mute (1 = muted)
587 * B7: auto-mute (1 = auto-mute enabled)
588 */
589
590#define TDA9873_GAIN_NORMAL 1 << 5
591#define TDA9873_MUTE 1 << 6
592#define TDA9873_AUTOMUTE 1 << 7
593
594/* Subaddress 0x01: Adjust/standard */
595
596/* Lower 4 bits (C3..C0) control stereo adjustment on R channel (-0.6 - +0.7 dB)
597 * Recommended value is +0 dB
598 */
599
600#define TDA9873_STEREO_ADJ 0x06 /* 0dB gain */
601
602/* Bits C6..C4 control FM stantard
603 * C6, C5, C4
604 * 0, 0, 0 B/G (PAL FM)
605 * 0, 0, 1 M
606 * 0, 1, 0 D/K(1)
607 * 0, 1, 1 D/K(2)
608 * 1, 0, 0 D/K(3)
609 * 1, 0, 1 I
610 */
611#define TDA9873_BG 0
612#define TDA9873_M 1
613#define TDA9873_DK1 2
614#define TDA9873_DK2 3
615#define TDA9873_DK3 4
616#define TDA9873_I 5
617
618/* C7 controls identification response time (1=fast/0=normal)
619 */
620#define TDA9873_IDR_NORM 0
621#define TDA9873_IDR_FAST 1 << 7
622
623
624/* Subaddress 0x02: Port data */
625
626/* E1, E0 free programmable ports P1/P2
627 0, 0 both ports low
628 0, 1 P1 high
629 1, 0 P2 high
630 1, 1 both ports high
631*/
632
633#define TDA9873_PORTS 3
634
635/* E2: test port */
636#define TDA9873_TST_PORT 1 << 2
637
638/* E5..E3 control mono output channel (together with transmission mode bit B4)
639 *
640 * E5 E4 E3 B4 OUTM
641 * 0 0 0 0 mono
642 * 0 0 1 0 DUAL B
643 * 0 1 0 1 mono (from stereo decoder)
644 */
645#define TDA9873_MOUT_MONO 0
646#define TDA9873_MOUT_FMONO 0
647#define TDA9873_MOUT_DUALA 0
648#define TDA9873_MOUT_DUALB 1 << 3
649#define TDA9873_MOUT_ST 1 << 4
650#define TDA9873_MOUT_EXTM (1 << 4 ) & (1 << 3)
651#define TDA9873_MOUT_EXTL 1 << 5
652#define TDA9873_MOUT_EXTR (1 << 5 ) & (1 << 3)
653#define TDA9873_MOUT_EXTLR (1 << 5 ) & (1 << 4)
654#define TDA9873_MOUT_MUTE (1 << 5 ) & (1 << 4) & (1 << 3)
655
656/* Status bits: (chip read) */
657#define TDA9873_PONR 0 /* Power-on reset detected if = 1 */
658#define TDA9873_STEREO 2 /* Stereo sound is identified */
659#define TDA9873_DUAL 4 /* Dual sound is identified */
660
661static int tda9873_getmode(struct CHIPSTATE *chip)
662{
663 int val,mode;
664
665 val = chip_read(chip);
666 mode = VIDEO_SOUND_MONO;
667 if (val & TDA9873_STEREO)
668 mode |= VIDEO_SOUND_STEREO;
669 if (val & TDA9873_DUAL)
670 mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2;
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -0700671 tvaudio_dbg ("tda9873_getmode(): raw chip read: %d, return: %d\n",
672 val, mode);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700673 return mode;
674}
675
676static void tda9873_setmode(struct CHIPSTATE *chip, int mode)
677{
678 int sw_data = chip->shadow.bytes[TDA9873_SW+1] & ~ TDA9873_TR_MASK;
679 /* int adj_data = chip->shadow.bytes[TDA9873_AD+1] ; */
680
681 if ((sw_data & TDA9873_INP_MASK) != TDA9873_INTERNAL) {
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -0700682 tvaudio_dbg("tda9873_setmode(): external input\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700683 return;
684 }
685
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -0700686 tvaudio_dbg("tda9873_setmode(): chip->shadow.bytes[%d] = %d\n", TDA9873_SW+1, chip->shadow.bytes[TDA9873_SW+1]);
687 tvaudio_dbg("tda9873_setmode(): sw_data = %d\n", sw_data);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700688
689 switch (mode) {
690 case VIDEO_SOUND_MONO:
691 sw_data |= TDA9873_TR_MONO;
692 break;
693 case VIDEO_SOUND_STEREO:
694 sw_data |= TDA9873_TR_STEREO;
695 break;
696 case VIDEO_SOUND_LANG1:
697 sw_data |= TDA9873_TR_DUALA;
698 break;
699 case VIDEO_SOUND_LANG2:
700 sw_data |= TDA9873_TR_DUALB;
701 break;
702 default:
703 chip->mode = 0;
704 return;
705 }
706
707 chip_write(chip, TDA9873_SW, sw_data);
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -0700708 tvaudio_dbg("tda9873_setmode(): req. mode %d; chip_write: %d\n",
Linus Torvalds1da177e2005-04-16 15:20:36 -0700709 mode, sw_data);
710}
711
712static int tda9873_checkit(struct CHIPSTATE *chip)
713{
714 int rc;
715
716 if (-1 == (rc = chip_read2(chip,254)))
717 return 0;
718 return (rc & ~0x1f) == 0x80;
719}
720
721
722/* ---------------------------------------------------------------------- */
723/* audio chip description - defines+functions for tda9874h and tda9874a */
724/* Dariusz Kowalewski <darekk@automex.pl> */
725
726/* Subaddresses for TDA9874H and TDA9874A (slave rx) */
727#define TDA9874A_AGCGR 0x00 /* AGC gain */
728#define TDA9874A_GCONR 0x01 /* general config */
729#define TDA9874A_MSR 0x02 /* monitor select */
730#define TDA9874A_C1FRA 0x03 /* carrier 1 freq. */
731#define TDA9874A_C1FRB 0x04 /* carrier 1 freq. */
732#define TDA9874A_C1FRC 0x05 /* carrier 1 freq. */
733#define TDA9874A_C2FRA 0x06 /* carrier 2 freq. */
734#define TDA9874A_C2FRB 0x07 /* carrier 2 freq. */
735#define TDA9874A_C2FRC 0x08 /* carrier 2 freq. */
736#define TDA9874A_DCR 0x09 /* demodulator config */
737#define TDA9874A_FMER 0x0a /* FM de-emphasis */
738#define TDA9874A_FMMR 0x0b /* FM dematrix */
739#define TDA9874A_C1OLAR 0x0c /* ch.1 output level adj. */
740#define TDA9874A_C2OLAR 0x0d /* ch.2 output level adj. */
741#define TDA9874A_NCONR 0x0e /* NICAM config */
742#define TDA9874A_NOLAR 0x0f /* NICAM output level adj. */
743#define TDA9874A_NLELR 0x10 /* NICAM lower error limit */
744#define TDA9874A_NUELR 0x11 /* NICAM upper error limit */
745#define TDA9874A_AMCONR 0x12 /* audio mute control */
746#define TDA9874A_SDACOSR 0x13 /* stereo DAC output select */
747#define TDA9874A_AOSR 0x14 /* analog output select */
748#define TDA9874A_DAICONR 0x15 /* digital audio interface config */
749#define TDA9874A_I2SOSR 0x16 /* I2S-bus output select */
750#define TDA9874A_I2SOLAR 0x17 /* I2S-bus output level adj. */
751#define TDA9874A_MDACOSR 0x18 /* mono DAC output select (tda9874a) */
752#define TDA9874A_ESP 0xFF /* easy standard progr. (tda9874a) */
753
754/* Subaddresses for TDA9874H and TDA9874A (slave tx) */
755#define TDA9874A_DSR 0x00 /* device status */
756#define TDA9874A_NSR 0x01 /* NICAM status */
757#define TDA9874A_NECR 0x02 /* NICAM error count */
758#define TDA9874A_DR1 0x03 /* add. data LSB */
759#define TDA9874A_DR2 0x04 /* add. data MSB */
760#define TDA9874A_LLRA 0x05 /* monitor level read-out LSB */
761#define TDA9874A_LLRB 0x06 /* monitor level read-out MSB */
762#define TDA9874A_SIFLR 0x07 /* SIF level */
763#define TDA9874A_TR2 252 /* test reg. 2 */
764#define TDA9874A_TR1 253 /* test reg. 1 */
765#define TDA9874A_DIC 254 /* device id. code */
766#define TDA9874A_SIC 255 /* software id. code */
767
768
769static int tda9874a_mode = 1; /* 0: A2, 1: NICAM */
770static int tda9874a_GCONR = 0xc0; /* default config. input pin: SIFSEL=0 */
771static int tda9874a_NCONR = 0x01; /* default NICAM config.: AMSEL=0,AMUTE=1 */
772static int tda9874a_ESP = 0x07; /* default standard: NICAM D/K */
773static int tda9874a_dic = -1; /* device id. code */
774
775/* insmod options for tda9874a */
776static unsigned int tda9874a_SIF = UNSET;
777static unsigned int tda9874a_AMSEL = UNSET;
778static unsigned int tda9874a_STD = UNSET;
779module_param(tda9874a_SIF, int, 0444);
780module_param(tda9874a_AMSEL, int, 0444);
781module_param(tda9874a_STD, int, 0444);
782
783/*
784 * initialization table for tda9874 decoder:
785 * - carrier 1 freq. registers (3 bytes)
786 * - carrier 2 freq. registers (3 bytes)
787 * - demudulator config register
788 * - FM de-emphasis register (slow identification mode)
789 * Note: frequency registers must be written in single i2c transfer.
790 */
791static struct tda9874a_MODES {
792 char *name;
793 audiocmd cmd;
794} tda9874a_modelist[9] = {
795 { "A2, B/G",
796 { 9, { TDA9874A_C1FRA, 0x72,0x95,0x55, 0x77,0xA0,0x00, 0x00,0x00 }} },
797 { "A2, M (Korea)",
798 { 9, { TDA9874A_C1FRA, 0x5D,0xC0,0x00, 0x62,0x6A,0xAA, 0x20,0x22 }} },
799 { "A2, D/K (1)",
800 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x82,0x60,0x00, 0x00,0x00 }} },
801 { "A2, D/K (2)",
802 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x8C,0x75,0x55, 0x00,0x00 }} },
803 { "A2, D/K (3)",
804 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x77,0xA0,0x00, 0x00,0x00 }} },
805 { "NICAM, I",
806 { 9, { TDA9874A_C1FRA, 0x7D,0x00,0x00, 0x88,0x8A,0xAA, 0x08,0x33 }} },
807 { "NICAM, B/G",
808 { 9, { TDA9874A_C1FRA, 0x72,0x95,0x55, 0x79,0xEA,0xAA, 0x08,0x33 }} },
809 { "NICAM, D/K", /* default */
810 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x79,0xEA,0xAA, 0x08,0x33 }} },
811 { "NICAM, L",
812 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x79,0xEA,0xAA, 0x09,0x33 }} }
813};
814
815static int tda9874a_setup(struct CHIPSTATE *chip)
816{
817 chip_write(chip, TDA9874A_AGCGR, 0x00); /* 0 dB */
818 chip_write(chip, TDA9874A_GCONR, tda9874a_GCONR);
819 chip_write(chip, TDA9874A_MSR, (tda9874a_mode) ? 0x03:0x02);
820 if(tda9874a_dic == 0x11) {
821 chip_write(chip, TDA9874A_FMMR, 0x80);
822 } else { /* dic == 0x07 */
823 chip_cmd(chip,"tda9874_modelist",&tda9874a_modelist[tda9874a_STD].cmd);
824 chip_write(chip, TDA9874A_FMMR, 0x00);
825 }
826 chip_write(chip, TDA9874A_C1OLAR, 0x00); /* 0 dB */
827 chip_write(chip, TDA9874A_C2OLAR, 0x00); /* 0 dB */
828 chip_write(chip, TDA9874A_NCONR, tda9874a_NCONR);
829 chip_write(chip, TDA9874A_NOLAR, 0x00); /* 0 dB */
830 /* Note: If signal quality is poor you may want to change NICAM */
831 /* error limit registers (NLELR and NUELR) to some greater values. */
832 /* Then the sound would remain stereo, but won't be so clear. */
833 chip_write(chip, TDA9874A_NLELR, 0x14); /* default */
834 chip_write(chip, TDA9874A_NUELR, 0x50); /* default */
835
836 if(tda9874a_dic == 0x11) {
837 chip_write(chip, TDA9874A_AMCONR, 0xf9);
838 chip_write(chip, TDA9874A_SDACOSR, (tda9874a_mode) ? 0x81:0x80);
839 chip_write(chip, TDA9874A_AOSR, 0x80);
840 chip_write(chip, TDA9874A_MDACOSR, (tda9874a_mode) ? 0x82:0x80);
841 chip_write(chip, TDA9874A_ESP, tda9874a_ESP);
842 } else { /* dic == 0x07 */
843 chip_write(chip, TDA9874A_AMCONR, 0xfb);
844 chip_write(chip, TDA9874A_SDACOSR, (tda9874a_mode) ? 0x81:0x80);
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -0700845 chip_write(chip, TDA9874A_AOSR, 0x00); /* or 0x10 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700846 }
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -0700847 tvaudio_dbg("tda9874a_setup(): %s [0x%02X].\n",
Linus Torvalds1da177e2005-04-16 15:20:36 -0700848 tda9874a_modelist[tda9874a_STD].name,tda9874a_STD);
849 return 1;
850}
851
852static int tda9874a_getmode(struct CHIPSTATE *chip)
853{
854 int dsr,nsr,mode;
855 int necr; /* just for debugging */
856
857 mode = VIDEO_SOUND_MONO;
858
859 if(-1 == (dsr = chip_read2(chip,TDA9874A_DSR)))
860 return mode;
861 if(-1 == (nsr = chip_read2(chip,TDA9874A_NSR)))
862 return mode;
863 if(-1 == (necr = chip_read2(chip,TDA9874A_NECR)))
864 return mode;
865
866 /* need to store dsr/nsr somewhere */
867 chip->shadow.bytes[MAXREGS-2] = dsr;
868 chip->shadow.bytes[MAXREGS-1] = nsr;
869
870 if(tda9874a_mode) {
871 /* Note: DSR.RSSF and DSR.AMSTAT bits are also checked.
872 * If NICAM auto-muting is enabled, DSR.AMSTAT=1 indicates
873 * that sound has (temporarily) switched from NICAM to
874 * mono FM (or AM) on 1st sound carrier due to high NICAM bit
875 * error count. So in fact there is no stereo in this case :-(
876 * But changing the mode to VIDEO_SOUND_MONO would switch
877 * external 4052 multiplexer in audio_hook().
878 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700879 if(nsr & 0x02) /* NSR.S/MB=1 */
880 mode |= VIDEO_SOUND_STEREO;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700881 if(nsr & 0x01) /* NSR.D/SB=1 */
882 mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2;
883 } else {
884 if(dsr & 0x02) /* DSR.IDSTE=1 */
885 mode |= VIDEO_SOUND_STEREO;
886 if(dsr & 0x04) /* DSR.IDDUA=1 */
887 mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2;
888 }
889
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -0700890 tvaudio_dbg("tda9874a_getmode(): DSR=0x%X, NSR=0x%X, NECR=0x%X, return: %d.\n",
Linus Torvalds1da177e2005-04-16 15:20:36 -0700891 dsr, nsr, necr, mode);
892 return mode;
893}
894
895static void tda9874a_setmode(struct CHIPSTATE *chip, int mode)
896{
897 /* Disable/enable NICAM auto-muting (based on DSR.RSSF status bit). */
898 /* If auto-muting is disabled, we can hear a signal of degrading quality. */
899 if(tda9874a_mode) {
900 if(chip->shadow.bytes[MAXREGS-2] & 0x20) /* DSR.RSSF=1 */
901 tda9874a_NCONR &= 0xfe; /* enable */
902 else
903 tda9874a_NCONR |= 0x01; /* disable */
904 chip_write(chip, TDA9874A_NCONR, tda9874a_NCONR);
905 }
906
907 /* Note: TDA9874A supports automatic FM dematrixing (FMMR register)
908 * and has auto-select function for audio output (AOSR register).
909 * Old TDA9874H doesn't support these features.
910 * TDA9874A also has additional mono output pin (OUTM), which
911 * on same (all?) tv-cards is not used, anyway (as well as MONOIN).
912 */
913 if(tda9874a_dic == 0x11) {
914 int aosr = 0x80;
915 int mdacosr = (tda9874a_mode) ? 0x82:0x80;
916
917 switch(mode) {
918 case VIDEO_SOUND_MONO:
919 case VIDEO_SOUND_STEREO:
920 break;
921 case VIDEO_SOUND_LANG1:
922 aosr = 0x80; /* auto-select, dual A/A */
923 mdacosr = (tda9874a_mode) ? 0x82:0x80;
924 break;
925 case VIDEO_SOUND_LANG2:
926 aosr = 0xa0; /* auto-select, dual B/B */
927 mdacosr = (tda9874a_mode) ? 0x83:0x81;
928 break;
929 default:
930 chip->mode = 0;
931 return;
932 }
933 chip_write(chip, TDA9874A_AOSR, aosr);
934 chip_write(chip, TDA9874A_MDACOSR, mdacosr);
935
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -0700936 tvaudio_dbg("tda9874a_setmode(): req. mode %d; AOSR=0x%X, MDACOSR=0x%X.\n",
Linus Torvalds1da177e2005-04-16 15:20:36 -0700937 mode, aosr, mdacosr);
938
939 } else { /* dic == 0x07 */
940 int fmmr,aosr;
941
942 switch(mode) {
943 case VIDEO_SOUND_MONO:
944 fmmr = 0x00; /* mono */
945 aosr = 0x10; /* A/A */
946 break;
947 case VIDEO_SOUND_STEREO:
948 if(tda9874a_mode) {
949 fmmr = 0x00;
950 aosr = 0x00; /* handled by NICAM auto-mute */
951 } else {
952 fmmr = (tda9874a_ESP == 1) ? 0x05 : 0x04; /* stereo */
953 aosr = 0x00;
954 }
955 break;
956 case VIDEO_SOUND_LANG1:
957 fmmr = 0x02; /* dual */
958 aosr = 0x10; /* dual A/A */
959 break;
960 case VIDEO_SOUND_LANG2:
961 fmmr = 0x02; /* dual */
962 aosr = 0x20; /* dual B/B */
963 break;
964 default:
965 chip->mode = 0;
966 return;
967 }
968 chip_write(chip, TDA9874A_FMMR, fmmr);
969 chip_write(chip, TDA9874A_AOSR, aosr);
970
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -0700971 tvaudio_dbg("tda9874a_setmode(): req. mode %d; FMMR=0x%X, AOSR=0x%X.\n",
Linus Torvalds1da177e2005-04-16 15:20:36 -0700972 mode, fmmr, aosr);
973 }
974}
975
976static int tda9874a_checkit(struct CHIPSTATE *chip)
977{
978 int dic,sic; /* device id. and software id. codes */
979
980 if(-1 == (dic = chip_read2(chip,TDA9874A_DIC)))
981 return 0;
982 if(-1 == (sic = chip_read2(chip,TDA9874A_SIC)))
983 return 0;
984
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -0700985 tvaudio_dbg("tda9874a_checkit(): DIC=0x%X, SIC=0x%X.\n", dic, sic);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700986
987 if((dic == 0x11)||(dic == 0x07)) {
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -0700988 tvaudio_info("found tda9874%s.\n", (dic == 0x11) ? "a":"h");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700989 tda9874a_dic = dic; /* remember device id. */
990 return 1;
991 }
992 return 0; /* not found */
993}
994
995static int tda9874a_initialize(struct CHIPSTATE *chip)
996{
997 if (tda9874a_SIF > 2)
998 tda9874a_SIF = 1;
Gerd Knorrfaf8b242005-05-01 08:59:20 -0700999 if (tda9874a_STD > 8)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001000 tda9874a_STD = 0;
1001 if(tda9874a_AMSEL > 1)
1002 tda9874a_AMSEL = 0;
1003
1004 if(tda9874a_SIF == 1)
1005 tda9874a_GCONR = 0xc0; /* sound IF input 1 */
1006 else
1007 tda9874a_GCONR = 0xc1; /* sound IF input 2 */
1008
1009 tda9874a_ESP = tda9874a_STD;
1010 tda9874a_mode = (tda9874a_STD < 5) ? 0 : 1;
1011
1012 if(tda9874a_AMSEL == 0)
1013 tda9874a_NCONR = 0x01; /* auto-mute: analog mono input */
1014 else
1015 tda9874a_NCONR = 0x05; /* auto-mute: 1st carrier FM or AM */
1016
1017 tda9874a_setup(chip);
1018 return 0;
1019}
1020
1021
1022/* ---------------------------------------------------------------------- */
1023/* audio chip descriptions - defines+functions for tea6420 */
1024
1025#define TEA6300_VL 0x00 /* volume left */
1026#define TEA6300_VR 0x01 /* volume right */
1027#define TEA6300_BA 0x02 /* bass */
1028#define TEA6300_TR 0x03 /* treble */
1029#define TEA6300_FA 0x04 /* fader control */
1030#define TEA6300_S 0x05 /* switch register */
1031 /* values for those registers: */
1032#define TEA6300_S_SA 0x01 /* stereo A input */
1033#define TEA6300_S_SB 0x02 /* stereo B */
1034#define TEA6300_S_SC 0x04 /* stereo C */
1035#define TEA6300_S_GMU 0x80 /* general mute */
1036
1037#define TEA6320_V 0x00 /* volume (0-5)/loudness off (6)/zero crossing mute(7) */
1038#define TEA6320_FFR 0x01 /* fader front right (0-5) */
1039#define TEA6320_FFL 0x02 /* fader front left (0-5) */
1040#define TEA6320_FRR 0x03 /* fader rear right (0-5) */
1041#define TEA6320_FRL 0x04 /* fader rear left (0-5) */
1042#define TEA6320_BA 0x05 /* bass (0-4) */
1043#define TEA6320_TR 0x06 /* treble (0-4) */
1044#define TEA6320_S 0x07 /* switch register */
1045 /* values for those registers: */
1046#define TEA6320_S_SA 0x07 /* stereo A input */
1047#define TEA6320_S_SB 0x06 /* stereo B */
1048#define TEA6320_S_SC 0x05 /* stereo C */
1049#define TEA6320_S_SD 0x04 /* stereo D */
1050#define TEA6320_S_GMU 0x80 /* general mute */
1051
1052#define TEA6420_S_SA 0x00 /* stereo A input */
1053#define TEA6420_S_SB 0x01 /* stereo B */
1054#define TEA6420_S_SC 0x02 /* stereo C */
1055#define TEA6420_S_SD 0x03 /* stereo D */
1056#define TEA6420_S_SE 0x04 /* stereo E */
1057#define TEA6420_S_GMU 0x05 /* general mute */
1058
1059static int tea6300_shift10(int val) { return val >> 10; }
1060static int tea6300_shift12(int val) { return val >> 12; }
1061
1062/* Assumes 16bit input (values 0x3f to 0x0c are unique, values less than */
1063/* 0x0c mirror those immediately higher) */
1064static int tea6320_volume(int val) { return (val / (65535/(63-12)) + 12) & 0x3f; }
1065static int tea6320_shift11(int val) { return val >> 11; }
1066static int tea6320_initialize(struct CHIPSTATE * chip)
1067{
1068 chip_write(chip, TEA6320_FFR, 0x3f);
1069 chip_write(chip, TEA6320_FFL, 0x3f);
1070 chip_write(chip, TEA6320_FRR, 0x3f);
1071 chip_write(chip, TEA6320_FRL, 0x3f);
1072
1073 return 0;
1074}
1075
1076
1077/* ---------------------------------------------------------------------- */
1078/* audio chip descriptions - defines+functions for tda8425 */
1079
1080#define TDA8425_VL 0x00 /* volume left */
1081#define TDA8425_VR 0x01 /* volume right */
1082#define TDA8425_BA 0x02 /* bass */
1083#define TDA8425_TR 0x03 /* treble */
1084#define TDA8425_S1 0x08 /* switch functions */
1085 /* values for those registers: */
1086#define TDA8425_S1_OFF 0xEE /* audio off (mute on) */
1087#define TDA8425_S1_CH1 0xCE /* audio channel 1 (mute off) - "linear stereo" mode */
1088#define TDA8425_S1_CH2 0xCF /* audio channel 2 (mute off) - "linear stereo" mode */
1089#define TDA8425_S1_MU 0x20 /* mute bit */
1090#define TDA8425_S1_STEREO 0x18 /* stereo bits */
1091#define TDA8425_S1_STEREO_SPATIAL 0x18 /* spatial stereo */
1092#define TDA8425_S1_STEREO_LINEAR 0x08 /* linear stereo */
1093#define TDA8425_S1_STEREO_PSEUDO 0x10 /* pseudo stereo */
1094#define TDA8425_S1_STEREO_MONO 0x00 /* forced mono */
1095#define TDA8425_S1_ML 0x06 /* language selector */
1096#define TDA8425_S1_ML_SOUND_A 0x02 /* sound a */
1097#define TDA8425_S1_ML_SOUND_B 0x04 /* sound b */
1098#define TDA8425_S1_ML_STEREO 0x06 /* stereo */
1099#define TDA8425_S1_IS 0x01 /* channel selector */
1100
1101
1102static int tda8425_shift10(int val) { return (val >> 10) | 0xc0; }
1103static int tda8425_shift12(int val) { return (val >> 12) | 0xf0; }
1104
1105static int tda8425_initialize(struct CHIPSTATE *chip)
1106{
1107 struct CHIPDESC *desc = chiplist + chip->type;
1108 int inputmap[8] = { /* tuner */ TDA8425_S1_CH2, /* radio */ TDA8425_S1_CH1,
1109 /* extern */ TDA8425_S1_CH1, /* intern */ TDA8425_S1_OFF,
1110 /* off */ TDA8425_S1_OFF, /* on */ TDA8425_S1_CH2};
1111
Jean Delvarec7a46532005-08-11 23:41:56 +02001112 if (chip->c.adapter->id == I2C_HW_B_RIVA) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001113 memcpy (desc->inputmap, inputmap, sizeof (inputmap));
1114 }
1115 return 0;
1116}
1117
1118static void tda8425_setmode(struct CHIPSTATE *chip, int mode)
1119{
1120 int s1 = chip->shadow.bytes[TDA8425_S1+1] & 0xe1;
1121
1122 if (mode & VIDEO_SOUND_LANG1) {
1123 s1 |= TDA8425_S1_ML_SOUND_A;
1124 s1 |= TDA8425_S1_STEREO_PSEUDO;
1125
1126 } else if (mode & VIDEO_SOUND_LANG2) {
1127 s1 |= TDA8425_S1_ML_SOUND_B;
1128 s1 |= TDA8425_S1_STEREO_PSEUDO;
1129
1130 } else {
1131 s1 |= TDA8425_S1_ML_STEREO;
1132
1133 if (mode & VIDEO_SOUND_MONO)
1134 s1 |= TDA8425_S1_STEREO_MONO;
1135 if (mode & VIDEO_SOUND_STEREO)
1136 s1 |= TDA8425_S1_STEREO_SPATIAL;
1137 }
1138 chip_write(chip,TDA8425_S1,s1);
1139}
1140
1141
1142/* ---------------------------------------------------------------------- */
1143/* audio chip descriptions - defines+functions for pic16c54 (PV951) */
1144
1145/* the registers of 16C54, I2C sub address. */
1146#define PIC16C54_REG_KEY_CODE 0x01 /* Not use. */
1147#define PIC16C54_REG_MISC 0x02
1148
1149/* bit definition of the RESET register, I2C data. */
1150#define PIC16C54_MISC_RESET_REMOTE_CTL 0x01 /* bit 0, Reset to receive the key */
1151 /* code of remote controller */
1152#define PIC16C54_MISC_MTS_MAIN 0x02 /* bit 1 */
1153#define PIC16C54_MISC_MTS_SAP 0x04 /* bit 2 */
1154#define PIC16C54_MISC_MTS_BOTH 0x08 /* bit 3 */
1155#define PIC16C54_MISC_SND_MUTE 0x10 /* bit 4, Mute Audio(Line-in and Tuner) */
1156#define PIC16C54_MISC_SND_NOTMUTE 0x20 /* bit 5 */
1157#define PIC16C54_MISC_SWITCH_TUNER 0x40 /* bit 6 , Switch to Line-in */
1158#define PIC16C54_MISC_SWITCH_LINE 0x80 /* bit 7 , Switch to Tuner */
1159
1160/* ---------------------------------------------------------------------- */
1161/* audio chip descriptions - defines+functions for TA8874Z */
1162
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -07001163/* write 1st byte */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001164#define TA8874Z_LED_STE 0x80
1165#define TA8874Z_LED_BIL 0x40
1166#define TA8874Z_LED_EXT 0x20
1167#define TA8874Z_MONO_SET 0x10
1168#define TA8874Z_MUTE 0x08
1169#define TA8874Z_F_MONO 0x04
1170#define TA8874Z_MODE_SUB 0x02
1171#define TA8874Z_MODE_MAIN 0x01
1172
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -07001173/* write 2nd byte */
1174/*#define TA8874Z_TI 0x80 */ /* test mode */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001175#define TA8874Z_SEPARATION 0x3f
1176#define TA8874Z_SEPARATION_DEFAULT 0x10
1177
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -07001178/* read */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001179#define TA8874Z_B1 0x80
1180#define TA8874Z_B0 0x40
1181#define TA8874Z_CHAG_FLAG 0x20
1182
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -07001183/*
1184 * B1 B0
1185 * mono L H
1186 * stereo L L
1187 * BIL H L
1188 */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001189static int ta8874z_getmode(struct CHIPSTATE *chip)
1190{
1191 int val, mode;
1192
1193 val = chip_read(chip);
1194 mode = VIDEO_SOUND_MONO;
1195 if (val & TA8874Z_B1){
1196 mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2;
1197 }else if (!(val & TA8874Z_B0)){
1198 mode |= VIDEO_SOUND_STEREO;
1199 }
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -07001200 /* tvaudio_dbg ("ta8874z_getmode(): raw chip read: 0x%02x, return: 0x%02x\n", val, mode); */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001201 return mode;
1202}
1203
1204static audiocmd ta8874z_stereo = { 2, {0, TA8874Z_SEPARATION_DEFAULT}};
1205static audiocmd ta8874z_mono = {2, { TA8874Z_MONO_SET, TA8874Z_SEPARATION_DEFAULT}};
1206static audiocmd ta8874z_main = {2, { 0, TA8874Z_SEPARATION_DEFAULT}};
1207static audiocmd ta8874z_sub = {2, { TA8874Z_MODE_SUB, TA8874Z_SEPARATION_DEFAULT}};
1208
1209static void ta8874z_setmode(struct CHIPSTATE *chip, int mode)
1210{
1211 int update = 1;
1212 audiocmd *t = NULL;
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -07001213 tvaudio_dbg("ta8874z_setmode(): mode: 0x%02x\n", mode);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001214
1215 switch(mode){
1216 case VIDEO_SOUND_MONO:
1217 t = &ta8874z_mono;
1218 break;
1219 case VIDEO_SOUND_STEREO:
1220 t = &ta8874z_stereo;
1221 break;
1222 case VIDEO_SOUND_LANG1:
1223 t = &ta8874z_main;
1224 break;
1225 case VIDEO_SOUND_LANG2:
1226 t = &ta8874z_sub;
1227 break;
1228 default:
1229 update = 0;
1230 }
1231
1232 if(update)
1233 chip_cmd(chip, "TA8874Z", t);
1234}
1235
1236static int ta8874z_checkit(struct CHIPSTATE *chip)
1237{
1238 int rc;
1239 rc = chip_read(chip);
1240 return ((rc & 0x1f) == 0x1f) ? 1 : 0;
1241}
1242
1243/* ---------------------------------------------------------------------- */
1244/* audio chip descriptions - struct CHIPDESC */
1245
1246/* insmod options to enable/disable individual audio chips */
Adrian Bunk52c1da32005-06-23 22:05:33 -07001247static int tda8425 = 1;
1248static int tda9840 = 1;
1249static int tda9850 = 1;
1250static int tda9855 = 1;
1251static int tda9873 = 1;
1252static int tda9874a = 1;
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -07001253static int tea6300 = 0; /* address clash with msp34xx */
1254static int tea6320 = 0; /* address clash with msp34xx */
Adrian Bunk52c1da32005-06-23 22:05:33 -07001255static int tea6420 = 1;
1256static int pic16c54 = 1;
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -07001257static int ta8874z = 0; /* address clash with tda9840 */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001258
1259module_param(tda8425, int, 0444);
1260module_param(tda9840, int, 0444);
1261module_param(tda9850, int, 0444);
1262module_param(tda9855, int, 0444);
1263module_param(tda9873, int, 0444);
1264module_param(tda9874a, int, 0444);
1265module_param(tea6300, int, 0444);
1266module_param(tea6320, int, 0444);
1267module_param(tea6420, int, 0444);
1268module_param(pic16c54, int, 0444);
1269module_param(ta8874z, int, 0444);
1270
1271static struct CHIPDESC chiplist[] = {
1272 {
1273 .name = "tda9840",
1274 .id = I2C_DRIVERID_TDA9840,
1275 .insmodopt = &tda9840,
1276 .addr_lo = I2C_TDA9840 >> 1,
1277 .addr_hi = I2C_TDA9840 >> 1,
1278 .registers = 5,
1279
1280 .getmode = tda9840_getmode,
1281 .setmode = tda9840_setmode,
1282 .checkmode = generic_checkmode,
1283
1284 .init = { 2, { TDA9840_TEST, TDA9840_TEST_INT1SN
1285 /* ,TDA9840_SW, TDA9840_MONO */} }
1286 },
1287 {
1288 .name = "tda9873h",
1289 .id = I2C_DRIVERID_TDA9873,
1290 .checkit = tda9873_checkit,
1291 .insmodopt = &tda9873,
1292 .addr_lo = I2C_TDA985x_L >> 1,
1293 .addr_hi = I2C_TDA985x_H >> 1,
1294 .registers = 3,
1295 .flags = CHIP_HAS_INPUTSEL,
1296
1297 .getmode = tda9873_getmode,
1298 .setmode = tda9873_setmode,
1299 .checkmode = generic_checkmode,
1300
1301 .init = { 4, { TDA9873_SW, 0xa4, 0x06, 0x03 } },
1302 .inputreg = TDA9873_SW,
1303 .inputmute = TDA9873_MUTE | TDA9873_AUTOMUTE,
1304 .inputmap = {0xa0, 0xa2, 0xa0, 0xa0, 0xc0},
1305 .inputmask = TDA9873_INP_MASK|TDA9873_MUTE|TDA9873_AUTOMUTE,
1306
1307 },
1308 {
1309 .name = "tda9874h/a",
1310 .id = I2C_DRIVERID_TDA9874,
1311 .checkit = tda9874a_checkit,
1312 .initialize = tda9874a_initialize,
1313 .insmodopt = &tda9874a,
1314 .addr_lo = I2C_TDA9874 >> 1,
1315 .addr_hi = I2C_TDA9874 >> 1,
1316
1317 .getmode = tda9874a_getmode,
1318 .setmode = tda9874a_setmode,
1319 .checkmode = generic_checkmode,
1320 },
1321 {
1322 .name = "tda9850",
1323 .id = I2C_DRIVERID_TDA9850,
1324 .insmodopt = &tda9850,
1325 .addr_lo = I2C_TDA985x_L >> 1,
1326 .addr_hi = I2C_TDA985x_H >> 1,
1327 .registers = 11,
1328
1329 .getmode = tda985x_getmode,
1330 .setmode = tda985x_setmode,
1331
1332 .init = { 8, { TDA9850_C4, 0x08, 0x08, TDA985x_STEREO, 0x07, 0x10, 0x10, 0x03 } }
1333 },
1334 {
1335 .name = "tda9855",
1336 .id = I2C_DRIVERID_TDA9855,
1337 .insmodopt = &tda9855,
1338 .addr_lo = I2C_TDA985x_L >> 1,
1339 .addr_hi = I2C_TDA985x_H >> 1,
1340 .registers = 11,
1341 .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE,
1342
1343 .leftreg = TDA9855_VL,
1344 .rightreg = TDA9855_VR,
1345 .bassreg = TDA9855_BA,
1346 .treblereg = TDA9855_TR,
1347 .volfunc = tda9855_volume,
1348 .bassfunc = tda9855_bass,
1349 .treblefunc = tda9855_treble,
1350
1351 .getmode = tda985x_getmode,
1352 .setmode = tda985x_setmode,
1353
1354 .init = { 12, { 0, 0x6f, 0x6f, 0x0e, 0x07<<1, 0x8<<2,
1355 TDA9855_MUTE | TDA9855_AVL | TDA9855_LOUD | TDA9855_INT,
1356 TDA985x_STEREO | TDA9855_LINEAR | TDA9855_TZCM | TDA9855_VZCM,
1357 0x07, 0x10, 0x10, 0x03 }}
1358 },
1359 {
1360 .name = "tea6300",
1361 .id = I2C_DRIVERID_TEA6300,
1362 .insmodopt = &tea6300,
1363 .addr_lo = I2C_TEA6300 >> 1,
1364 .addr_hi = I2C_TEA6300 >> 1,
1365 .registers = 6,
1366 .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL,
1367
1368 .leftreg = TEA6300_VR,
1369 .rightreg = TEA6300_VL,
1370 .bassreg = TEA6300_BA,
1371 .treblereg = TEA6300_TR,
1372 .volfunc = tea6300_shift10,
1373 .bassfunc = tea6300_shift12,
1374 .treblefunc = tea6300_shift12,
1375
1376 .inputreg = TEA6300_S,
1377 .inputmap = { TEA6300_S_SA, TEA6300_S_SB, TEA6300_S_SC },
1378 .inputmute = TEA6300_S_GMU,
1379 },
1380 {
1381 .name = "tea6320",
1382 .id = I2C_DRIVERID_TEA6300,
1383 .initialize = tea6320_initialize,
1384 .insmodopt = &tea6320,
1385 .addr_lo = I2C_TEA6300 >> 1,
1386 .addr_hi = I2C_TEA6300 >> 1,
1387 .registers = 8,
1388 .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL,
1389
1390 .leftreg = TEA6320_V,
1391 .rightreg = TEA6320_V,
1392 .bassreg = TEA6320_BA,
1393 .treblereg = TEA6320_TR,
1394 .volfunc = tea6320_volume,
1395 .bassfunc = tea6320_shift11,
1396 .treblefunc = tea6320_shift11,
1397
1398 .inputreg = TEA6320_S,
1399 .inputmap = { TEA6320_S_SA, TEA6420_S_SB, TEA6300_S_SC, TEA6320_S_SD },
1400 .inputmute = TEA6300_S_GMU,
1401 },
1402 {
1403 .name = "tea6420",
1404 .id = I2C_DRIVERID_TEA6420,
1405 .insmodopt = &tea6420,
1406 .addr_lo = I2C_TEA6420 >> 1,
1407 .addr_hi = I2C_TEA6420 >> 1,
1408 .registers = 1,
1409 .flags = CHIP_HAS_INPUTSEL,
1410
1411 .inputreg = -1,
1412 .inputmap = { TEA6420_S_SA, TEA6420_S_SB, TEA6420_S_SC },
1413 .inputmute = TEA6300_S_GMU,
1414 },
1415 {
1416 .name = "tda8425",
1417 .id = I2C_DRIVERID_TDA8425,
1418 .insmodopt = &tda8425,
1419 .addr_lo = I2C_TDA8425 >> 1,
1420 .addr_hi = I2C_TDA8425 >> 1,
1421 .registers = 9,
1422 .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL,
1423
1424 .leftreg = TDA8425_VL,
1425 .rightreg = TDA8425_VR,
1426 .bassreg = TDA8425_BA,
1427 .treblereg = TDA8425_TR,
1428 .volfunc = tda8425_shift10,
1429 .bassfunc = tda8425_shift12,
1430 .treblefunc = tda8425_shift12,
1431
1432 .inputreg = TDA8425_S1,
1433 .inputmap = { TDA8425_S1_CH1, TDA8425_S1_CH1, TDA8425_S1_CH1 },
1434 .inputmute = TDA8425_S1_OFF,
1435
1436 .setmode = tda8425_setmode,
1437 .initialize = tda8425_initialize,
1438 },
1439 {
1440 .name = "pic16c54 (PV951)",
1441 .id = I2C_DRIVERID_PIC16C54_PV951,
1442 .insmodopt = &pic16c54,
1443 .addr_lo = I2C_PIC16C54 >> 1,
1444 .addr_hi = I2C_PIC16C54>> 1,
1445 .registers = 2,
1446 .flags = CHIP_HAS_INPUTSEL,
1447
1448 .inputreg = PIC16C54_REG_MISC,
1449 .inputmap = {PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_TUNER,
1450 PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_LINE,
1451 PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_LINE,
1452 PIC16C54_MISC_SND_MUTE,PIC16C54_MISC_SND_MUTE,
1453 PIC16C54_MISC_SND_NOTMUTE},
1454 .inputmute = PIC16C54_MISC_SND_MUTE,
1455 },
1456 {
1457 .name = "ta8874z",
1458 .id = -1,
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -07001459 /*.id = I2C_DRIVERID_TA8874Z, */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001460 .checkit = ta8874z_checkit,
1461 .insmodopt = &ta8874z,
1462 .addr_lo = I2C_TDA9840 >> 1,
1463 .addr_hi = I2C_TDA9840 >> 1,
1464 .registers = 2,
1465
1466 .getmode = ta8874z_getmode,
1467 .setmode = ta8874z_setmode,
1468 .checkmode = generic_checkmode,
1469
1470 .init = {2, { TA8874Z_MONO_SET, TA8874Z_SEPARATION_DEFAULT}},
1471 },
1472 { .name = NULL } /* EOF */
1473};
1474
1475
1476/* ---------------------------------------------------------------------- */
1477/* i2c registration */
1478
1479static int chip_attach(struct i2c_adapter *adap, int addr, int kind)
1480{
1481 struct CHIPSTATE *chip;
1482 struct CHIPDESC *desc;
1483
1484 chip = kmalloc(sizeof(*chip),GFP_KERNEL);
1485 if (!chip)
1486 return -ENOMEM;
1487 memset(chip,0,sizeof(*chip));
1488 memcpy(&chip->c,&client_template,sizeof(struct i2c_client));
1489 chip->c.adapter = adap;
1490 chip->c.addr = addr;
1491 i2c_set_clientdata(&chip->c, chip);
1492
1493 /* find description for the chip */
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -07001494 tvaudio_dbg("chip found @ 0x%x\n", addr<<1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001495 for (desc = chiplist; desc->name != NULL; desc++) {
1496 if (0 == *(desc->insmodopt))
1497 continue;
1498 if (addr < desc->addr_lo ||
1499 addr > desc->addr_hi)
1500 continue;
1501 if (desc->checkit && !desc->checkit(chip))
1502 continue;
1503 break;
1504 }
1505 if (desc->name == NULL) {
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -07001506 tvaudio_dbg("no matching chip description found\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -07001507 return -EIO;
1508 }
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -07001509 tvaudio_info("%s found @ 0x%x (%s)\n", desc->name, addr<<1, adap->name);
1510 if (desc->flags) {
1511 tvaudio_dbg("matches:%s%s%s.\n",
1512 (desc->flags & CHIP_HAS_VOLUME) ? " volume" : "",
1513 (desc->flags & CHIP_HAS_BASSTREBLE) ? " bass/treble" : "",
1514 (desc->flags & CHIP_HAS_INPUTSEL) ? " audiomux" : "");
1515 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001516
1517 /* fill required data structures */
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -07001518 strcpy(chip->c.name,desc->name);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001519 chip->type = desc-chiplist;
1520 chip->shadow.count = desc->registers+1;
1521 chip->prevmode = -1;
1522 /* register */
1523 i2c_attach_client(&chip->c);
1524
1525 /* initialization */
1526 if (desc->initialize != NULL)
1527 desc->initialize(chip);
1528 else
1529 chip_cmd(chip,"init",&desc->init);
1530
1531 if (desc->flags & CHIP_HAS_VOLUME) {
1532 chip->left = desc->leftinit ? desc->leftinit : 65535;
1533 chip->right = desc->rightinit ? desc->rightinit : 65535;
1534 chip_write(chip,desc->leftreg,desc->volfunc(chip->left));
1535 chip_write(chip,desc->rightreg,desc->volfunc(chip->right));
1536 }
1537 if (desc->flags & CHIP_HAS_BASSTREBLE) {
1538 chip->treble = desc->trebleinit ? desc->trebleinit : 32768;
1539 chip->bass = desc->bassinit ? desc->bassinit : 32768;
1540 chip_write(chip,desc->bassreg,desc->bassfunc(chip->bass));
1541 chip_write(chip,desc->treblereg,desc->treblefunc(chip->treble));
1542 }
1543
1544 chip->tpid = -1;
1545 if (desc->checkmode) {
1546 /* start async thread */
1547 init_timer(&chip->wt);
1548 chip->wt.function = chip_thread_wake;
1549 chip->wt.data = (unsigned long)chip;
1550 init_waitqueue_head(&chip->wq);
1551 init_completion(&chip->texit);
1552 chip->tpid = kernel_thread(chip_thread,(void *)chip,0);
1553 if (chip->tpid < 0)
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -07001554 tvaudio_warn("%s: kernel_thread() failed\n",
Jean Delvarefae91e72005-08-15 19:57:04 +02001555 chip->c.name);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001556 wake_up_interruptible(&chip->wq);
1557 }
1558 return 0;
1559}
1560
1561static int chip_probe(struct i2c_adapter *adap)
1562{
1563 /* don't attach on saa7146 based cards,
1564 because dedicated drivers are used */
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -07001565 if ((adap->id == I2C_HW_SAA7146))
Linus Torvalds1da177e2005-04-16 15:20:36 -07001566 return 0;
1567#ifdef I2C_CLASS_TV_ANALOG
1568 if (adap->class & I2C_CLASS_TV_ANALOG)
1569 return i2c_probe(adap, &addr_data, chip_attach);
1570#else
1571 switch (adap->id) {
Jean Delvarec7a46532005-08-11 23:41:56 +02001572 case I2C_HW_B_BT848:
1573 case I2C_HW_B_RIVA:
Jean Delvare1684a9842005-08-11 23:51:10 +02001574 case I2C_HW_SAA7134:
Linus Torvalds1da177e2005-04-16 15:20:36 -07001575 return i2c_probe(adap, &addr_data, chip_attach);
1576 }
1577#endif
1578 return 0;
1579}
1580
1581static int chip_detach(struct i2c_client *client)
1582{
1583 struct CHIPSTATE *chip = i2c_get_clientdata(client);
1584
1585 del_timer_sync(&chip->wt);
1586 if (chip->tpid >= 0) {
1587 /* shutdown async thread */
1588 chip->done = 1;
1589 wake_up_interruptible(&chip->wq);
1590 wait_for_completion(&chip->texit);
1591 }
1592
1593 i2c_detach_client(&chip->c);
1594 kfree(chip);
1595 return 0;
1596}
1597
1598/* ---------------------------------------------------------------------- */
1599/* video4linux interface */
1600
1601static int chip_command(struct i2c_client *client,
1602 unsigned int cmd, void *arg)
1603{
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -07001604 __u16 *sarg = arg;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001605 struct CHIPSTATE *chip = i2c_get_clientdata(client);
1606 struct CHIPDESC *desc = chiplist + chip->type;
1607
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -07001608 tvaudio_dbg("%s: chip_command 0x%x\n",chip->c.name,cmd);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001609
1610 switch (cmd) {
1611 case AUDC_SET_INPUT:
1612 if (desc->flags & CHIP_HAS_INPUTSEL) {
1613 if (*sarg & 0x80)
1614 chip_write_masked(chip,desc->inputreg,desc->inputmute,desc->inputmask);
1615 else
1616 chip_write_masked(chip,desc->inputreg,desc->inputmap[*sarg],desc->inputmask);
1617 }
1618 break;
1619
1620 case AUDC_SET_RADIO:
Linus Torvalds1da177e2005-04-16 15:20:36 -07001621 chip->norm = VIDEO_MODE_RADIO;
1622 chip->watch_stereo = 0;
1623 /* del_timer(&chip->wt); */
1624 break;
1625
1626 /* --- v4l ioctls --- */
1627 /* take care: bttv does userspace copying, we'll get a
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -07001628 kernel pointer here... */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001629 case VIDIOCGAUDIO:
1630 {
1631 struct video_audio *va = arg;
1632
1633 if (desc->flags & CHIP_HAS_VOLUME) {
1634 va->flags |= VIDEO_AUDIO_VOLUME;
1635 va->volume = max(chip->left,chip->right);
1636 if (va->volume)
1637 va->balance = (32768*min(chip->left,chip->right))/
1638 va->volume;
1639 else
1640 va->balance = 32768;
1641 }
1642 if (desc->flags & CHIP_HAS_BASSTREBLE) {
1643 va->flags |= VIDEO_AUDIO_BASS | VIDEO_AUDIO_TREBLE;
1644 va->bass = chip->bass;
1645 va->treble = chip->treble;
1646 }
1647 if (chip->norm != VIDEO_MODE_RADIO) {
1648 if (desc->getmode)
1649 va->mode = desc->getmode(chip);
1650 else
1651 va->mode = VIDEO_SOUND_MONO;
1652 }
1653 break;
1654 }
1655
1656 case VIDIOCSAUDIO:
1657 {
1658 struct video_audio *va = arg;
1659
1660 if (desc->flags & CHIP_HAS_VOLUME) {
1661 chip->left = (min(65536 - va->balance,32768) *
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -07001662 va->volume) / 32768;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001663 chip->right = (min(va->balance,(__u16)32768) *
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -07001664 va->volume) / 32768;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001665 chip_write(chip,desc->leftreg,desc->volfunc(chip->left));
1666 chip_write(chip,desc->rightreg,desc->volfunc(chip->right));
1667 }
1668 if (desc->flags & CHIP_HAS_BASSTREBLE) {
1669 chip->bass = va->bass;
1670 chip->treble = va->treble;
1671 chip_write(chip,desc->bassreg,desc->bassfunc(chip->bass));
1672 chip_write(chip,desc->treblereg,desc->treblefunc(chip->treble));
1673 }
1674 if (desc->setmode && va->mode) {
1675 chip->watch_stereo = 0;
1676 /* del_timer(&chip->wt); */
1677 chip->mode = va->mode;
1678 desc->setmode(chip,va->mode);
1679 }
1680 break;
1681 }
1682 case VIDIOCSCHAN:
1683 {
1684 struct video_channel *vc = arg;
1685
Linus Torvalds1da177e2005-04-16 15:20:36 -07001686 chip->norm = vc->norm;
1687 break;
1688 }
1689 case VIDIOCSFREQ:
1690 {
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -07001691 chip->mode = 0; /* automatic */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001692 if (desc->checkmode) {
1693 desc->setmode(chip,VIDEO_SOUND_MONO);
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -07001694 if (chip->prevmode != VIDEO_SOUND_MONO)
1695 chip->prevmode = -1; /* reset previous mode */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001696 mod_timer(&chip->wt, jiffies+2*HZ);
1697 /* the thread will call checkmode() later */
1698 }
1699 }
1700 }
1701 return 0;
1702}
1703
1704
1705static struct i2c_driver driver = {
1706 .owner = THIS_MODULE,
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -07001707 .name = "generic i2c audio driver",
1708 .id = I2C_DRIVERID_TVAUDIO,
1709 .flags = I2C_DF_NOTIFY,
1710 .attach_adapter = chip_probe,
1711 .detach_client = chip_detach,
1712 .command = chip_command,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001713};
1714
1715static struct i2c_client client_template =
1716{
Jean Delvarefae91e72005-08-15 19:57:04 +02001717 .name = "(unset)",
Linus Torvalds1da177e2005-04-16 15:20:36 -07001718 .flags = I2C_CLIENT_ALLOW_USE,
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -07001719 .driver = &driver,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001720};
1721
1722static int __init audiochip_init_module(void)
1723{
1724 struct CHIPDESC *desc;
Mauro Carvalho Chehab18fc59e2005-09-09 13:04:05 -07001725
1726 if (debug) {
1727 printk(KERN_INFO "tvaudio: TV audio decoder + audio/video mux driver\n");
1728 printk(KERN_INFO "tvaudio: known chips: ");
1729 for (desc = chiplist; desc->name != NULL; desc++)
1730 printk("%s%s", (desc == chiplist) ? "" : ", ", desc->name);
1731 printk("\n");
1732 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001733
1734 return i2c_add_driver(&driver);
1735}
1736
1737static void __exit audiochip_cleanup_module(void)
1738{
1739 i2c_del_driver(&driver);
1740}
1741
1742module_init(audiochip_init_module);
1743module_exit(audiochip_cleanup_module);
1744
1745/*
1746 * Local variables:
1747 * c-basic-offset: 8
1748 * End:
1749 */