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1da177e4 LT |
1 | /* |
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 | ||
1da177e4 LT |
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> | |
bc282879 | 31 | #include <linux/kthread.h> |
1da177e4 | 32 | |
8bf2f8e7 | 33 | #include <media/tvaudio.h> |
5e453dc7 | 34 | #include <media/v4l2-common.h> |
1da177e4 | 35 | |
7c9b5048 | 36 | #include <media/i2c-addr.h> |
1da177e4 LT |
37 | |
38 | /* ---------------------------------------------------------------------- */ | |
39 | /* insmod args */ | |
40 | ||
41 | static int debug = 0; /* insmod parameter */ | |
42 | module_param(debug, int, 0644); | |
43 | ||
44 | MODULE_DESCRIPTION("device driver for various i2c TV sound decoder / audiomux chips"); | |
45 | MODULE_AUTHOR("Eric Sandeen, Steve VanDeBogart, Greg Alexander, Gerd Knorr"); | |
46 | MODULE_LICENSE("GPL"); | |
47 | ||
48 | #define UNSET (-1U) | |
18fc59e2 | 49 | |
1da177e4 LT |
50 | /* ---------------------------------------------------------------------- */ |
51 | /* our structs */ | |
52 | ||
53 | #define MAXREGS 64 | |
54 | ||
55 | struct CHIPSTATE; | |
56 | typedef int (*getvalue)(int); | |
57 | typedef int (*checkit)(struct CHIPSTATE*); | |
58 | typedef int (*initialize)(struct CHIPSTATE*); | |
59 | typedef int (*getmode)(struct CHIPSTATE*); | |
60 | typedef void (*setmode)(struct CHIPSTATE*, int mode); | |
61 | typedef void (*checkmode)(struct CHIPSTATE*); | |
62 | ||
63 | /* i2c command */ | |
64 | typedef struct AUDIOCMD { | |
65 | int count; /* # of bytes to send */ | |
66 | unsigned char bytes[MAXREGS+1]; /* addr, data, data, ... */ | |
67 | } audiocmd; | |
68 | ||
69 | /* chip description */ | |
70 | struct CHIPDESC { | |
71 | char *name; /* chip name */ | |
72 | int id; /* ID */ | |
73 | int addr_lo, addr_hi; /* i2c address range */ | |
74 | int registers; /* # of registers */ | |
75 | ||
76 | int *insmodopt; | |
77 | checkit checkit; | |
78 | initialize initialize; | |
79 | int flags; | |
80 | #define CHIP_HAS_VOLUME 1 | |
81 | #define CHIP_HAS_BASSTREBLE 2 | |
82 | #define CHIP_HAS_INPUTSEL 4 | |
83 | ||
84 | /* various i2c command sequences */ | |
85 | audiocmd init; | |
86 | ||
87 | /* which register has which value */ | |
88 | int leftreg,rightreg,treblereg,bassreg; | |
89 | ||
90 | /* initialize with (defaults to 65535/65535/32768/32768 */ | |
91 | int leftinit,rightinit,trebleinit,bassinit; | |
92 | ||
93 | /* functions to convert the values (v4l -> chip) */ | |
94 | getvalue volfunc,treblefunc,bassfunc; | |
95 | ||
96 | /* get/set mode */ | |
97 | getmode getmode; | |
98 | setmode setmode; | |
99 | ||
100 | /* check / autoswitch audio after channel switches */ | |
101 | checkmode checkmode; | |
102 | ||
103 | /* input switch register + values for v4l inputs */ | |
104 | int inputreg; | |
8bf2f8e7 | 105 | int inputmap[4]; |
1da177e4 LT |
106 | int inputmute; |
107 | int inputmask; | |
108 | }; | |
109 | static struct CHIPDESC chiplist[]; | |
110 | ||
111 | /* current state of the chip */ | |
112 | struct CHIPSTATE { | |
113 | struct i2c_client c; | |
114 | ||
115 | /* index into CHIPDESC array */ | |
116 | int type; | |
117 | ||
118 | /* shadow register set */ | |
119 | audiocmd shadow; | |
120 | ||
121 | /* current settings */ | |
8bf2f8e7 | 122 | __u16 left,right,treble,bass,muted,mode; |
1da177e4 | 123 | int prevmode; |
8a854284 | 124 | int radio; |
8bf2f8e7 | 125 | int input; |
1da177e4 LT |
126 | |
127 | /* thread */ | |
bc282879 | 128 | struct task_struct *thread; |
1da177e4 | 129 | struct timer_list wt; |
1da177e4 | 130 | int watch_stereo; |
8a4b275f | 131 | int audmode; |
1da177e4 LT |
132 | }; |
133 | ||
1da177e4 LT |
134 | /* ---------------------------------------------------------------------- */ |
135 | /* i2c addresses */ | |
136 | ||
137 | static unsigned short normal_i2c[] = { | |
09df1c16 MCC |
138 | I2C_ADDR_TDA8425 >> 1, |
139 | I2C_ADDR_TEA6300 >> 1, | |
140 | I2C_ADDR_TEA6420 >> 1, | |
141 | I2C_ADDR_TDA9840 >> 1, | |
142 | I2C_ADDR_TDA985x_L >> 1, | |
143 | I2C_ADDR_TDA985x_H >> 1, | |
144 | I2C_ADDR_TDA9874 >> 1, | |
145 | I2C_ADDR_PIC16C54 >> 1, | |
1da177e4 | 146 | I2C_CLIENT_END }; |
1da177e4 LT |
147 | I2C_CLIENT_INSMOD; |
148 | ||
149 | static struct i2c_driver driver; | |
150 | static struct i2c_client client_template; | |
151 | ||
152 | ||
153 | /* ---------------------------------------------------------------------- */ | |
154 | /* i2c I/O functions */ | |
155 | ||
156 | static int chip_write(struct CHIPSTATE *chip, int subaddr, int val) | |
157 | { | |
158 | unsigned char buffer[2]; | |
159 | ||
160 | if (-1 == subaddr) { | |
f167cb4e | 161 | v4l_dbg(1, debug, &chip->c, "%s: chip_write: 0x%x\n", |
18fc59e2 | 162 | chip->c.name, val); |
1da177e4 LT |
163 | chip->shadow.bytes[1] = val; |
164 | buffer[0] = val; | |
165 | if (1 != i2c_master_send(&chip->c,buffer,1)) { | |
fac9e899 | 166 | v4l_warn(&chip->c, "%s: I/O error (write 0x%x)\n", |
18fc59e2 | 167 | chip->c.name, val); |
1da177e4 LT |
168 | return -1; |
169 | } | |
170 | } else { | |
f167cb4e | 171 | v4l_dbg(1, debug, &chip->c, "%s: chip_write: reg%d=0x%x\n", |
fae91e72 | 172 | chip->c.name, subaddr, val); |
1da177e4 LT |
173 | chip->shadow.bytes[subaddr+1] = val; |
174 | buffer[0] = subaddr; | |
175 | buffer[1] = val; | |
176 | if (2 != i2c_master_send(&chip->c,buffer,2)) { | |
fac9e899 | 177 | v4l_warn(&chip->c, "%s: I/O error (write reg%d=0x%x)\n", |
674434c6 | 178 | chip->c.name, subaddr, val); |
1da177e4 LT |
179 | return -1; |
180 | } | |
181 | } | |
182 | return 0; | |
183 | } | |
184 | ||
185 | static int chip_write_masked(struct CHIPSTATE *chip, int subaddr, int val, int mask) | |
186 | { | |
187 | if (mask != 0) { | |
188 | if (-1 == subaddr) { | |
189 | val = (chip->shadow.bytes[1] & ~mask) | (val & mask); | |
190 | } else { | |
191 | val = (chip->shadow.bytes[subaddr+1] & ~mask) | (val & mask); | |
192 | } | |
193 | } | |
194 | return chip_write(chip, subaddr, val); | |
195 | } | |
196 | ||
197 | static int chip_read(struct CHIPSTATE *chip) | |
198 | { | |
199 | unsigned char buffer; | |
200 | ||
201 | if (1 != i2c_master_recv(&chip->c,&buffer,1)) { | |
fac9e899 | 202 | v4l_warn(&chip->c, "%s: I/O error (read)\n", |
18fc59e2 | 203 | chip->c.name); |
1da177e4 LT |
204 | return -1; |
205 | } | |
f167cb4e | 206 | v4l_dbg(1, debug, &chip->c, "%s: chip_read: 0x%x\n",chip->c.name, buffer); |
1da177e4 LT |
207 | return buffer; |
208 | } | |
209 | ||
210 | static int chip_read2(struct CHIPSTATE *chip, int subaddr) | |
211 | { | |
18fc59e2 MCC |
212 | unsigned char write[1]; |
213 | unsigned char read[1]; | |
214 | struct i2c_msg msgs[2] = { | |
215 | { chip->c.addr, 0, 1, write }, | |
216 | { chip->c.addr, I2C_M_RD, 1, read } | |
217 | }; | |
218 | write[0] = subaddr; | |
1da177e4 LT |
219 | |
220 | if (2 != i2c_transfer(chip->c.adapter,msgs,2)) { | |
fac9e899 | 221 | v4l_warn(&chip->c, "%s: I/O error (read2)\n", chip->c.name); |
1da177e4 LT |
222 | return -1; |
223 | } | |
f167cb4e | 224 | v4l_dbg(1, debug, &chip->c, "%s: chip_read2: reg%d=0x%x\n", |
674434c6 | 225 | chip->c.name, subaddr,read[0]); |
1da177e4 LT |
226 | return read[0]; |
227 | } | |
228 | ||
229 | static int chip_cmd(struct CHIPSTATE *chip, char *name, audiocmd *cmd) | |
230 | { | |
231 | int i; | |
232 | ||
233 | if (0 == cmd->count) | |
234 | return 0; | |
235 | ||
236 | /* update our shadow register set; print bytes if (debug > 0) */ | |
f167cb4e | 237 | v4l_dbg(1, debug, &chip->c, "%s: chip_cmd(%s): reg=%d, data:", |
674434c6 | 238 | chip->c.name, name,cmd->bytes[0]); |
1da177e4 | 239 | for (i = 1; i < cmd->count; i++) { |
18fc59e2 MCC |
240 | if (debug) |
241 | printk(" 0x%x",cmd->bytes[i]); | |
1da177e4 LT |
242 | chip->shadow.bytes[i+cmd->bytes[0]] = cmd->bytes[i]; |
243 | } | |
18fc59e2 MCC |
244 | if (debug) |
245 | printk("\n"); | |
1da177e4 LT |
246 | |
247 | /* send data to the chip */ | |
248 | if (cmd->count != i2c_master_send(&chip->c,cmd->bytes,cmd->count)) { | |
fac9e899 | 249 | v4l_warn(&chip->c, "%s: I/O error (%s)\n", chip->c.name, name); |
1da177e4 LT |
250 | return -1; |
251 | } | |
252 | return 0; | |
253 | } | |
254 | ||
255 | /* ---------------------------------------------------------------------- */ | |
256 | /* kernel thread for doing i2c stuff asyncronly | |
257 | * right now it is used only to check the audio mode (mono/stereo/whatever) | |
258 | * some time after switching to another TV channel, then turn on stereo | |
259 | * if available, ... | |
260 | */ | |
261 | ||
262 | static void chip_thread_wake(unsigned long data) | |
263 | { | |
18fc59e2 | 264 | struct CHIPSTATE *chip = (struct CHIPSTATE*)data; |
bc282879 | 265 | wake_up_process(chip->thread); |
1da177e4 LT |
266 | } |
267 | ||
268 | static int chip_thread(void *data) | |
269 | { | |
18fc59e2 | 270 | struct CHIPSTATE *chip = data; |
1da177e4 LT |
271 | struct CHIPDESC *desc = chiplist + chip->type; |
272 | ||
f167cb4e | 273 | v4l_dbg(1, debug, &chip->c, "%s: thread started\n", chip->c.name); |
1da177e4 LT |
274 | |
275 | for (;;) { | |
bc282879 CLG |
276 | set_current_state(TASK_INTERRUPTIBLE); |
277 | if (!kthread_should_stop()) | |
1da177e4 | 278 | schedule(); |
bc282879 | 279 | set_current_state(TASK_RUNNING); |
5e50e7a9 | 280 | try_to_freeze(); |
bc282879 | 281 | if (kthread_should_stop()) |
1da177e4 | 282 | break; |
f167cb4e | 283 | v4l_dbg(1, debug, &chip->c, "%s: thread wakeup\n", chip->c.name); |
1da177e4 LT |
284 | |
285 | /* don't do anything for radio or if mode != auto */ | |
8a854284 | 286 | if (chip->radio || chip->mode != 0) |
1da177e4 LT |
287 | continue; |
288 | ||
289 | /* have a look what's going on */ | |
290 | desc->checkmode(chip); | |
291 | ||
292 | /* schedule next check */ | |
293 | mod_timer(&chip->wt, jiffies+2*HZ); | |
294 | } | |
295 | ||
f167cb4e | 296 | v4l_dbg(1, debug, &chip->c, "%s: thread exiting\n", chip->c.name); |
1da177e4 LT |
297 | return 0; |
298 | } | |
299 | ||
300 | static void generic_checkmode(struct CHIPSTATE *chip) | |
301 | { | |
302 | struct CHIPDESC *desc = chiplist + chip->type; | |
303 | int mode = desc->getmode(chip); | |
304 | ||
305 | if (mode == chip->prevmode) | |
674434c6 | 306 | return; |
1da177e4 | 307 | |
f167cb4e | 308 | v4l_dbg(1, debug, &chip->c, "%s: thread checkmode\n", chip->c.name); |
1da177e4 LT |
309 | chip->prevmode = mode; |
310 | ||
311 | if (mode & VIDEO_SOUND_STEREO) | |
312 | desc->setmode(chip,VIDEO_SOUND_STEREO); | |
313 | else if (mode & VIDEO_SOUND_LANG1) | |
314 | desc->setmode(chip,VIDEO_SOUND_LANG1); | |
315 | else if (mode & VIDEO_SOUND_LANG2) | |
316 | desc->setmode(chip,VIDEO_SOUND_LANG2); | |
317 | else | |
318 | desc->setmode(chip,VIDEO_SOUND_MONO); | |
319 | } | |
320 | ||
321 | /* ---------------------------------------------------------------------- */ | |
322 | /* audio chip descriptions - defines+functions for tda9840 */ | |
323 | ||
324 | #define TDA9840_SW 0x00 | |
325 | #define TDA9840_LVADJ 0x02 | |
326 | #define TDA9840_STADJ 0x03 | |
327 | #define TDA9840_TEST 0x04 | |
328 | ||
329 | #define TDA9840_MONO 0x10 | |
330 | #define TDA9840_STEREO 0x2a | |
331 | #define TDA9840_DUALA 0x12 | |
332 | #define TDA9840_DUALB 0x1e | |
333 | #define TDA9840_DUALAB 0x1a | |
334 | #define TDA9840_DUALBA 0x16 | |
335 | #define TDA9840_EXTERNAL 0x7a | |
336 | ||
337 | #define TDA9840_DS_DUAL 0x20 /* Dual sound identified */ | |
338 | #define TDA9840_ST_STEREO 0x40 /* Stereo sound identified */ | |
339 | #define TDA9840_PONRES 0x80 /* Power-on reset detected if = 1 */ | |
340 | ||
341 | #define TDA9840_TEST_INT1SN 0x1 /* Integration time 0.5s when set */ | |
342 | #define TDA9840_TEST_INTFU 0x02 /* Disables integrator function */ | |
343 | ||
344 | static int tda9840_getmode(struct CHIPSTATE *chip) | |
345 | { | |
346 | int val, mode; | |
347 | ||
348 | val = chip_read(chip); | |
349 | mode = VIDEO_SOUND_MONO; | |
350 | if (val & TDA9840_DS_DUAL) | |
351 | mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2; | |
352 | if (val & TDA9840_ST_STEREO) | |
353 | mode |= VIDEO_SOUND_STEREO; | |
354 | ||
f167cb4e | 355 | v4l_dbg(1, debug, &chip->c, "tda9840_getmode(): raw chip read: %d, return: %d\n", |
18fc59e2 | 356 | val, mode); |
1da177e4 LT |
357 | return mode; |
358 | } | |
359 | ||
360 | static void tda9840_setmode(struct CHIPSTATE *chip, int mode) | |
361 | { | |
362 | int update = 1; | |
363 | int t = chip->shadow.bytes[TDA9840_SW + 1] & ~0x7e; | |
364 | ||
365 | switch (mode) { | |
366 | case VIDEO_SOUND_MONO: | |
367 | t |= TDA9840_MONO; | |
368 | break; | |
369 | case VIDEO_SOUND_STEREO: | |
370 | t |= TDA9840_STEREO; | |
371 | break; | |
372 | case VIDEO_SOUND_LANG1: | |
373 | t |= TDA9840_DUALA; | |
374 | break; | |
375 | case VIDEO_SOUND_LANG2: | |
376 | t |= TDA9840_DUALB; | |
377 | break; | |
378 | default: | |
379 | update = 0; | |
380 | } | |
381 | ||
382 | if (update) | |
383 | chip_write(chip, TDA9840_SW, t); | |
384 | } | |
385 | ||
94f9e56e HV |
386 | static int tda9840_checkit(struct CHIPSTATE *chip) |
387 | { | |
388 | int rc; | |
389 | rc = chip_read(chip); | |
390 | /* lower 5 bits should be 0 */ | |
391 | return ((rc & 0x1f) == 0) ? 1 : 0; | |
392 | } | |
393 | ||
1da177e4 LT |
394 | /* ---------------------------------------------------------------------- */ |
395 | /* audio chip descriptions - defines+functions for tda985x */ | |
396 | ||
397 | /* subaddresses for TDA9855 */ | |
398 | #define TDA9855_VR 0x00 /* Volume, right */ | |
399 | #define TDA9855_VL 0x01 /* Volume, left */ | |
400 | #define TDA9855_BA 0x02 /* Bass */ | |
401 | #define TDA9855_TR 0x03 /* Treble */ | |
402 | #define TDA9855_SW 0x04 /* Subwoofer - not connected on DTV2000 */ | |
403 | ||
404 | /* subaddresses for TDA9850 */ | |
405 | #define TDA9850_C4 0x04 /* Control 1 for TDA9850 */ | |
406 | ||
407 | /* subaddesses for both chips */ | |
408 | #define TDA985x_C5 0x05 /* Control 2 for TDA9850, Control 1 for TDA9855 */ | |
409 | #define TDA985x_C6 0x06 /* Control 3 for TDA9850, Control 2 for TDA9855 */ | |
410 | #define TDA985x_C7 0x07 /* Control 4 for TDA9850, Control 3 for TDA9855 */ | |
411 | #define TDA985x_A1 0x08 /* Alignment 1 for both chips */ | |
412 | #define TDA985x_A2 0x09 /* Alignment 2 for both chips */ | |
413 | #define TDA985x_A3 0x0a /* Alignment 3 for both chips */ | |
414 | ||
415 | /* Masks for bits in TDA9855 subaddresses */ | |
416 | /* 0x00 - VR in TDA9855 */ | |
417 | /* 0x01 - VL in TDA9855 */ | |
418 | /* lower 7 bits control gain from -71dB (0x28) to 16dB (0x7f) | |
419 | * in 1dB steps - mute is 0x27 */ | |
420 | ||
421 | ||
422 | /* 0x02 - BA in TDA9855 */ | |
423 | /* lower 5 bits control bass gain from -12dB (0x06) to 16.5dB (0x19) | |
424 | * in .5dB steps - 0 is 0x0E */ | |
425 | ||
426 | ||
427 | /* 0x03 - TR in TDA9855 */ | |
428 | /* 4 bits << 1 control treble gain from -12dB (0x3) to 12dB (0xb) | |
429 | * in 3dB steps - 0 is 0x7 */ | |
430 | ||
431 | /* Masks for bits in both chips' subaddresses */ | |
432 | /* 0x04 - SW in TDA9855, C4/Control 1 in TDA9850 */ | |
433 | /* Unique to TDA9855: */ | |
434 | /* 4 bits << 2 control subwoofer/surround gain from -14db (0x1) to 14db (0xf) | |
435 | * in 3dB steps - mute is 0x0 */ | |
436 | ||
437 | /* Unique to TDA9850: */ | |
438 | /* lower 4 bits control stereo noise threshold, over which stereo turns off | |
439 | * set to values of 0x00 through 0x0f for Ster1 through Ster16 */ | |
440 | ||
441 | ||
442 | /* 0x05 - C5 - Control 1 in TDA9855 , Control 2 in TDA9850*/ | |
443 | /* Unique to TDA9855: */ | |
444 | #define TDA9855_MUTE 1<<7 /* GMU, Mute at outputs */ | |
445 | #define TDA9855_AVL 1<<6 /* AVL, Automatic Volume Level */ | |
446 | #define TDA9855_LOUD 1<<5 /* Loudness, 1==off */ | |
447 | #define TDA9855_SUR 1<<3 /* Surround / Subwoofer 1==.5(L-R) 0==.5(L+R) */ | |
448 | /* Bits 0 to 3 select various combinations | |
4ac97914 MCC |
449 | * of line in and line out, only the |
450 | * interesting ones are defined */ | |
1da177e4 LT |
451 | #define TDA9855_EXT 1<<2 /* Selects inputs LIR and LIL. Pins 41 & 12 */ |
452 | #define TDA9855_INT 0 /* Selects inputs LOR and LOL. (internal) */ | |
453 | ||
454 | /* Unique to TDA9850: */ | |
455 | /* lower 4 bits contol SAP noise threshold, over which SAP turns off | |
456 | * set to values of 0x00 through 0x0f for SAP1 through SAP16 */ | |
457 | ||
458 | ||
459 | /* 0x06 - C6 - Control 2 in TDA9855, Control 3 in TDA9850 */ | |
460 | /* Common to TDA9855 and TDA9850: */ | |
461 | #define TDA985x_SAP 3<<6 /* Selects SAP output, mute if not received */ | |
462 | #define TDA985x_STEREO 1<<6 /* Selects Stereo ouput, mono if not received */ | |
463 | #define TDA985x_MONO 0 /* Forces Mono output */ | |
464 | #define TDA985x_LMU 1<<3 /* Mute (LOR/LOL for 9855, OUTL/OUTR for 9850) */ | |
465 | ||
466 | /* Unique to TDA9855: */ | |
467 | #define TDA9855_TZCM 1<<5 /* If set, don't mute till zero crossing */ | |
468 | #define TDA9855_VZCM 1<<4 /* If set, don't change volume till zero crossing*/ | |
469 | #define TDA9855_LINEAR 0 /* Linear Stereo */ | |
470 | #define TDA9855_PSEUDO 1 /* Pseudo Stereo */ | |
471 | #define TDA9855_SPAT_30 2 /* Spatial Stereo, 30% anti-phase crosstalk */ | |
472 | #define TDA9855_SPAT_50 3 /* Spatial Stereo, 52% anti-phase crosstalk */ | |
473 | #define TDA9855_E_MONO 7 /* Forced mono - mono select elseware, so useless*/ | |
474 | ||
475 | /* 0x07 - C7 - Control 3 in TDA9855, Control 4 in TDA9850 */ | |
476 | /* Common to both TDA9855 and TDA9850: */ | |
477 | /* lower 4 bits control input gain from -3.5dB (0x0) to 4dB (0xF) | |
478 | * in .5dB steps - 0dB is 0x7 */ | |
479 | ||
480 | /* 0x08, 0x09 - A1 and A2 (read/write) */ | |
481 | /* Common to both TDA9855 and TDA9850: */ | |
482 | /* lower 5 bites are wideband and spectral expander alignment | |
483 | * from 0x00 to 0x1f - nominal at 0x0f and 0x10 (read/write) */ | |
484 | #define TDA985x_STP 1<<5 /* Stereo Pilot/detect (read-only) */ | |
485 | #define TDA985x_SAPP 1<<6 /* SAP Pilot/detect (read-only) */ | |
486 | #define TDA985x_STS 1<<7 /* Stereo trigger 1= <35mV 0= <30mV (write-only)*/ | |
487 | ||
488 | /* 0x0a - A3 */ | |
489 | /* Common to both TDA9855 and TDA9850: */ | |
490 | /* lower 3 bits control timing current for alignment: -30% (0x0), -20% (0x1), | |
491 | * -10% (0x2), nominal (0x3), +10% (0x6), +20% (0x5), +30% (0x4) */ | |
492 | #define TDA985x_ADJ 1<<7 /* Stereo adjust on/off (wideband and spectral */ | |
493 | ||
494 | static int tda9855_volume(int val) { return val/0x2e8+0x27; } | |
495 | static int tda9855_bass(int val) { return val/0xccc+0x06; } | |
496 | static int tda9855_treble(int val) { return (val/0x1c71+0x3)<<1; } | |
497 | ||
498 | static int tda985x_getmode(struct CHIPSTATE *chip) | |
499 | { | |
500 | int mode; | |
501 | ||
502 | mode = ((TDA985x_STP | TDA985x_SAPP) & | |
503 | chip_read(chip)) >> 4; | |
504 | /* Add mono mode regardless of SAP and stereo */ | |
505 | /* Allows forced mono */ | |
506 | return mode | VIDEO_SOUND_MONO; | |
507 | } | |
508 | ||
509 | static void tda985x_setmode(struct CHIPSTATE *chip, int mode) | |
510 | { | |
511 | int update = 1; | |
512 | int c6 = chip->shadow.bytes[TDA985x_C6+1] & 0x3f; | |
513 | ||
514 | switch (mode) { | |
515 | case VIDEO_SOUND_MONO: | |
516 | c6 |= TDA985x_MONO; | |
517 | break; | |
518 | case VIDEO_SOUND_STEREO: | |
519 | c6 |= TDA985x_STEREO; | |
520 | break; | |
521 | case VIDEO_SOUND_LANG1: | |
522 | c6 |= TDA985x_SAP; | |
523 | break; | |
524 | default: | |
525 | update = 0; | |
526 | } | |
527 | if (update) | |
528 | chip_write(chip,TDA985x_C6,c6); | |
529 | } | |
530 | ||
531 | ||
532 | /* ---------------------------------------------------------------------- */ | |
533 | /* audio chip descriptions - defines+functions for tda9873h */ | |
534 | ||
535 | /* Subaddresses for TDA9873H */ | |
536 | ||
537 | #define TDA9873_SW 0x00 /* Switching */ | |
538 | #define TDA9873_AD 0x01 /* Adjust */ | |
539 | #define TDA9873_PT 0x02 /* Port */ | |
540 | ||
541 | /* Subaddress 0x00: Switching Data | |
542 | * B7..B0: | |
543 | * | |
544 | * B1, B0: Input source selection | |
545 | * 0, 0 internal | |
546 | * 1, 0 external stereo | |
547 | * 0, 1 external mono | |
548 | */ | |
549 | #define TDA9873_INP_MASK 3 | |
550 | #define TDA9873_INTERNAL 0 | |
551 | #define TDA9873_EXT_STEREO 2 | |
552 | #define TDA9873_EXT_MONO 1 | |
553 | ||
554 | /* B3, B2: output signal select | |
555 | * B4 : transmission mode | |
556 | * 0, 0, 1 Mono | |
557 | * 1, 0, 0 Stereo | |
558 | * 1, 1, 1 Stereo (reversed channel) | |
559 | * 0, 0, 0 Dual AB | |
560 | * 0, 0, 1 Dual AA | |
561 | * 0, 1, 0 Dual BB | |
562 | * 0, 1, 1 Dual BA | |
563 | */ | |
564 | ||
565 | #define TDA9873_TR_MASK (7 << 2) | |
566 | #define TDA9873_TR_MONO 4 | |
567 | #define TDA9873_TR_STEREO 1 << 4 | |
568 | #define TDA9873_TR_REVERSE (1 << 3) & (1 << 2) | |
569 | #define TDA9873_TR_DUALA 1 << 2 | |
570 | #define TDA9873_TR_DUALB 1 << 3 | |
571 | ||
572 | /* output level controls | |
573 | * B5: output level switch (0 = reduced gain, 1 = normal gain) | |
574 | * B6: mute (1 = muted) | |
575 | * B7: auto-mute (1 = auto-mute enabled) | |
576 | */ | |
577 | ||
578 | #define TDA9873_GAIN_NORMAL 1 << 5 | |
579 | #define TDA9873_MUTE 1 << 6 | |
580 | #define TDA9873_AUTOMUTE 1 << 7 | |
581 | ||
582 | /* Subaddress 0x01: Adjust/standard */ | |
583 | ||
584 | /* Lower 4 bits (C3..C0) control stereo adjustment on R channel (-0.6 - +0.7 dB) | |
585 | * Recommended value is +0 dB | |
586 | */ | |
587 | ||
588 | #define TDA9873_STEREO_ADJ 0x06 /* 0dB gain */ | |
589 | ||
590 | /* Bits C6..C4 control FM stantard | |
591 | * C6, C5, C4 | |
592 | * 0, 0, 0 B/G (PAL FM) | |
593 | * 0, 0, 1 M | |
594 | * 0, 1, 0 D/K(1) | |
595 | * 0, 1, 1 D/K(2) | |
596 | * 1, 0, 0 D/K(3) | |
597 | * 1, 0, 1 I | |
598 | */ | |
599 | #define TDA9873_BG 0 | |
600 | #define TDA9873_M 1 | |
601 | #define TDA9873_DK1 2 | |
602 | #define TDA9873_DK2 3 | |
603 | #define TDA9873_DK3 4 | |
604 | #define TDA9873_I 5 | |
605 | ||
606 | /* C7 controls identification response time (1=fast/0=normal) | |
607 | */ | |
608 | #define TDA9873_IDR_NORM 0 | |
609 | #define TDA9873_IDR_FAST 1 << 7 | |
610 | ||
611 | ||
612 | /* Subaddress 0x02: Port data */ | |
613 | ||
614 | /* E1, E0 free programmable ports P1/P2 | |
615 | 0, 0 both ports low | |
616 | 0, 1 P1 high | |
617 | 1, 0 P2 high | |
618 | 1, 1 both ports high | |
619 | */ | |
620 | ||
621 | #define TDA9873_PORTS 3 | |
622 | ||
623 | /* E2: test port */ | |
624 | #define TDA9873_TST_PORT 1 << 2 | |
625 | ||
626 | /* E5..E3 control mono output channel (together with transmission mode bit B4) | |
627 | * | |
628 | * E5 E4 E3 B4 OUTM | |
629 | * 0 0 0 0 mono | |
630 | * 0 0 1 0 DUAL B | |
631 | * 0 1 0 1 mono (from stereo decoder) | |
632 | */ | |
633 | #define TDA9873_MOUT_MONO 0 | |
634 | #define TDA9873_MOUT_FMONO 0 | |
635 | #define TDA9873_MOUT_DUALA 0 | |
636 | #define TDA9873_MOUT_DUALB 1 << 3 | |
637 | #define TDA9873_MOUT_ST 1 << 4 | |
638 | #define TDA9873_MOUT_EXTM (1 << 4 ) & (1 << 3) | |
639 | #define TDA9873_MOUT_EXTL 1 << 5 | |
640 | #define TDA9873_MOUT_EXTR (1 << 5 ) & (1 << 3) | |
641 | #define TDA9873_MOUT_EXTLR (1 << 5 ) & (1 << 4) | |
642 | #define TDA9873_MOUT_MUTE (1 << 5 ) & (1 << 4) & (1 << 3) | |
643 | ||
644 | /* Status bits: (chip read) */ | |
645 | #define TDA9873_PONR 0 /* Power-on reset detected if = 1 */ | |
646 | #define TDA9873_STEREO 2 /* Stereo sound is identified */ | |
647 | #define TDA9873_DUAL 4 /* Dual sound is identified */ | |
648 | ||
649 | static int tda9873_getmode(struct CHIPSTATE *chip) | |
650 | { | |
651 | int val,mode; | |
652 | ||
653 | val = chip_read(chip); | |
654 | mode = VIDEO_SOUND_MONO; | |
655 | if (val & TDA9873_STEREO) | |
656 | mode |= VIDEO_SOUND_STEREO; | |
657 | if (val & TDA9873_DUAL) | |
658 | mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2; | |
f167cb4e | 659 | v4l_dbg(1, debug, &chip->c, "tda9873_getmode(): raw chip read: %d, return: %d\n", |
18fc59e2 | 660 | val, mode); |
1da177e4 LT |
661 | return mode; |
662 | } | |
663 | ||
664 | static void tda9873_setmode(struct CHIPSTATE *chip, int mode) | |
665 | { | |
666 | int sw_data = chip->shadow.bytes[TDA9873_SW+1] & ~ TDA9873_TR_MASK; | |
667 | /* int adj_data = chip->shadow.bytes[TDA9873_AD+1] ; */ | |
668 | ||
669 | if ((sw_data & TDA9873_INP_MASK) != TDA9873_INTERNAL) { | |
f167cb4e | 670 | v4l_dbg(1, debug, &chip->c, "tda9873_setmode(): external input\n"); |
1da177e4 LT |
671 | return; |
672 | } | |
673 | ||
f167cb4e MCC |
674 | v4l_dbg(1, debug, &chip->c, "tda9873_setmode(): chip->shadow.bytes[%d] = %d\n", TDA9873_SW+1, chip->shadow.bytes[TDA9873_SW+1]); |
675 | v4l_dbg(1, debug, &chip->c, "tda9873_setmode(): sw_data = %d\n", sw_data); | |
1da177e4 LT |
676 | |
677 | switch (mode) { | |
678 | case VIDEO_SOUND_MONO: | |
679 | sw_data |= TDA9873_TR_MONO; | |
680 | break; | |
681 | case VIDEO_SOUND_STEREO: | |
682 | sw_data |= TDA9873_TR_STEREO; | |
683 | break; | |
684 | case VIDEO_SOUND_LANG1: | |
685 | sw_data |= TDA9873_TR_DUALA; | |
686 | break; | |
687 | case VIDEO_SOUND_LANG2: | |
688 | sw_data |= TDA9873_TR_DUALB; | |
689 | break; | |
690 | default: | |
691 | chip->mode = 0; | |
692 | return; | |
693 | } | |
694 | ||
695 | chip_write(chip, TDA9873_SW, sw_data); | |
f167cb4e | 696 | v4l_dbg(1, debug, &chip->c, "tda9873_setmode(): req. mode %d; chip_write: %d\n", |
1da177e4 LT |
697 | mode, sw_data); |
698 | } | |
699 | ||
700 | static int tda9873_checkit(struct CHIPSTATE *chip) | |
701 | { | |
702 | int rc; | |
703 | ||
704 | if (-1 == (rc = chip_read2(chip,254))) | |
705 | return 0; | |
706 | return (rc & ~0x1f) == 0x80; | |
707 | } | |
708 | ||
709 | ||
710 | /* ---------------------------------------------------------------------- */ | |
711 | /* audio chip description - defines+functions for tda9874h and tda9874a */ | |
712 | /* Dariusz Kowalewski <darekk@automex.pl> */ | |
713 | ||
714 | /* Subaddresses for TDA9874H and TDA9874A (slave rx) */ | |
715 | #define TDA9874A_AGCGR 0x00 /* AGC gain */ | |
716 | #define TDA9874A_GCONR 0x01 /* general config */ | |
717 | #define TDA9874A_MSR 0x02 /* monitor select */ | |
718 | #define TDA9874A_C1FRA 0x03 /* carrier 1 freq. */ | |
719 | #define TDA9874A_C1FRB 0x04 /* carrier 1 freq. */ | |
720 | #define TDA9874A_C1FRC 0x05 /* carrier 1 freq. */ | |
721 | #define TDA9874A_C2FRA 0x06 /* carrier 2 freq. */ | |
722 | #define TDA9874A_C2FRB 0x07 /* carrier 2 freq. */ | |
723 | #define TDA9874A_C2FRC 0x08 /* carrier 2 freq. */ | |
724 | #define TDA9874A_DCR 0x09 /* demodulator config */ | |
725 | #define TDA9874A_FMER 0x0a /* FM de-emphasis */ | |
726 | #define TDA9874A_FMMR 0x0b /* FM dematrix */ | |
727 | #define TDA9874A_C1OLAR 0x0c /* ch.1 output level adj. */ | |
728 | #define TDA9874A_C2OLAR 0x0d /* ch.2 output level adj. */ | |
729 | #define TDA9874A_NCONR 0x0e /* NICAM config */ | |
730 | #define TDA9874A_NOLAR 0x0f /* NICAM output level adj. */ | |
731 | #define TDA9874A_NLELR 0x10 /* NICAM lower error limit */ | |
732 | #define TDA9874A_NUELR 0x11 /* NICAM upper error limit */ | |
733 | #define TDA9874A_AMCONR 0x12 /* audio mute control */ | |
734 | #define TDA9874A_SDACOSR 0x13 /* stereo DAC output select */ | |
735 | #define TDA9874A_AOSR 0x14 /* analog output select */ | |
736 | #define TDA9874A_DAICONR 0x15 /* digital audio interface config */ | |
737 | #define TDA9874A_I2SOSR 0x16 /* I2S-bus output select */ | |
738 | #define TDA9874A_I2SOLAR 0x17 /* I2S-bus output level adj. */ | |
739 | #define TDA9874A_MDACOSR 0x18 /* mono DAC output select (tda9874a) */ | |
740 | #define TDA9874A_ESP 0xFF /* easy standard progr. (tda9874a) */ | |
741 | ||
742 | /* Subaddresses for TDA9874H and TDA9874A (slave tx) */ | |
743 | #define TDA9874A_DSR 0x00 /* device status */ | |
744 | #define TDA9874A_NSR 0x01 /* NICAM status */ | |
745 | #define TDA9874A_NECR 0x02 /* NICAM error count */ | |
746 | #define TDA9874A_DR1 0x03 /* add. data LSB */ | |
747 | #define TDA9874A_DR2 0x04 /* add. data MSB */ | |
748 | #define TDA9874A_LLRA 0x05 /* monitor level read-out LSB */ | |
749 | #define TDA9874A_LLRB 0x06 /* monitor level read-out MSB */ | |
750 | #define TDA9874A_SIFLR 0x07 /* SIF level */ | |
751 | #define TDA9874A_TR2 252 /* test reg. 2 */ | |
752 | #define TDA9874A_TR1 253 /* test reg. 1 */ | |
753 | #define TDA9874A_DIC 254 /* device id. code */ | |
754 | #define TDA9874A_SIC 255 /* software id. code */ | |
755 | ||
756 | ||
757 | static int tda9874a_mode = 1; /* 0: A2, 1: NICAM */ | |
758 | static int tda9874a_GCONR = 0xc0; /* default config. input pin: SIFSEL=0 */ | |
759 | static int tda9874a_NCONR = 0x01; /* default NICAM config.: AMSEL=0,AMUTE=1 */ | |
760 | static int tda9874a_ESP = 0x07; /* default standard: NICAM D/K */ | |
761 | static int tda9874a_dic = -1; /* device id. code */ | |
762 | ||
763 | /* insmod options for tda9874a */ | |
764 | static unsigned int tda9874a_SIF = UNSET; | |
765 | static unsigned int tda9874a_AMSEL = UNSET; | |
766 | static unsigned int tda9874a_STD = UNSET; | |
767 | module_param(tda9874a_SIF, int, 0444); | |
768 | module_param(tda9874a_AMSEL, int, 0444); | |
769 | module_param(tda9874a_STD, int, 0444); | |
770 | ||
771 | /* | |
772 | * initialization table for tda9874 decoder: | |
773 | * - carrier 1 freq. registers (3 bytes) | |
774 | * - carrier 2 freq. registers (3 bytes) | |
775 | * - demudulator config register | |
776 | * - FM de-emphasis register (slow identification mode) | |
777 | * Note: frequency registers must be written in single i2c transfer. | |
778 | */ | |
779 | static struct tda9874a_MODES { | |
780 | char *name; | |
781 | audiocmd cmd; | |
782 | } tda9874a_modelist[9] = { | |
783 | { "A2, B/G", | |
784 | { 9, { TDA9874A_C1FRA, 0x72,0x95,0x55, 0x77,0xA0,0x00, 0x00,0x00 }} }, | |
785 | { "A2, M (Korea)", | |
786 | { 9, { TDA9874A_C1FRA, 0x5D,0xC0,0x00, 0x62,0x6A,0xAA, 0x20,0x22 }} }, | |
787 | { "A2, D/K (1)", | |
788 | { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x82,0x60,0x00, 0x00,0x00 }} }, | |
789 | { "A2, D/K (2)", | |
790 | { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x8C,0x75,0x55, 0x00,0x00 }} }, | |
791 | { "A2, D/K (3)", | |
792 | { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x77,0xA0,0x00, 0x00,0x00 }} }, | |
793 | { "NICAM, I", | |
794 | { 9, { TDA9874A_C1FRA, 0x7D,0x00,0x00, 0x88,0x8A,0xAA, 0x08,0x33 }} }, | |
795 | { "NICAM, B/G", | |
796 | { 9, { TDA9874A_C1FRA, 0x72,0x95,0x55, 0x79,0xEA,0xAA, 0x08,0x33 }} }, | |
797 | { "NICAM, D/K", /* default */ | |
798 | { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x79,0xEA,0xAA, 0x08,0x33 }} }, | |
799 | { "NICAM, L", | |
800 | { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x79,0xEA,0xAA, 0x09,0x33 }} } | |
801 | }; | |
802 | ||
803 | static int tda9874a_setup(struct CHIPSTATE *chip) | |
804 | { | |
805 | chip_write(chip, TDA9874A_AGCGR, 0x00); /* 0 dB */ | |
806 | chip_write(chip, TDA9874A_GCONR, tda9874a_GCONR); | |
807 | chip_write(chip, TDA9874A_MSR, (tda9874a_mode) ? 0x03:0x02); | |
808 | if(tda9874a_dic == 0x11) { | |
809 | chip_write(chip, TDA9874A_FMMR, 0x80); | |
810 | } else { /* dic == 0x07 */ | |
811 | chip_cmd(chip,"tda9874_modelist",&tda9874a_modelist[tda9874a_STD].cmd); | |
812 | chip_write(chip, TDA9874A_FMMR, 0x00); | |
813 | } | |
814 | chip_write(chip, TDA9874A_C1OLAR, 0x00); /* 0 dB */ | |
815 | chip_write(chip, TDA9874A_C2OLAR, 0x00); /* 0 dB */ | |
816 | chip_write(chip, TDA9874A_NCONR, tda9874a_NCONR); | |
817 | chip_write(chip, TDA9874A_NOLAR, 0x00); /* 0 dB */ | |
818 | /* Note: If signal quality is poor you may want to change NICAM */ | |
819 | /* error limit registers (NLELR and NUELR) to some greater values. */ | |
820 | /* Then the sound would remain stereo, but won't be so clear. */ | |
821 | chip_write(chip, TDA9874A_NLELR, 0x14); /* default */ | |
822 | chip_write(chip, TDA9874A_NUELR, 0x50); /* default */ | |
823 | ||
824 | if(tda9874a_dic == 0x11) { | |
825 | chip_write(chip, TDA9874A_AMCONR, 0xf9); | |
826 | chip_write(chip, TDA9874A_SDACOSR, (tda9874a_mode) ? 0x81:0x80); | |
827 | chip_write(chip, TDA9874A_AOSR, 0x80); | |
828 | chip_write(chip, TDA9874A_MDACOSR, (tda9874a_mode) ? 0x82:0x80); | |
829 | chip_write(chip, TDA9874A_ESP, tda9874a_ESP); | |
830 | } else { /* dic == 0x07 */ | |
831 | chip_write(chip, TDA9874A_AMCONR, 0xfb); | |
832 | chip_write(chip, TDA9874A_SDACOSR, (tda9874a_mode) ? 0x81:0x80); | |
18fc59e2 | 833 | chip_write(chip, TDA9874A_AOSR, 0x00); /* or 0x10 */ |
1da177e4 | 834 | } |
f167cb4e | 835 | v4l_dbg(1, debug, &chip->c, "tda9874a_setup(): %s [0x%02X].\n", |
1da177e4 LT |
836 | tda9874a_modelist[tda9874a_STD].name,tda9874a_STD); |
837 | return 1; | |
838 | } | |
839 | ||
840 | static int tda9874a_getmode(struct CHIPSTATE *chip) | |
841 | { | |
842 | int dsr,nsr,mode; | |
843 | int necr; /* just for debugging */ | |
844 | ||
845 | mode = VIDEO_SOUND_MONO; | |
846 | ||
847 | if(-1 == (dsr = chip_read2(chip,TDA9874A_DSR))) | |
848 | return mode; | |
849 | if(-1 == (nsr = chip_read2(chip,TDA9874A_NSR))) | |
850 | return mode; | |
851 | if(-1 == (necr = chip_read2(chip,TDA9874A_NECR))) | |
852 | return mode; | |
853 | ||
854 | /* need to store dsr/nsr somewhere */ | |
855 | chip->shadow.bytes[MAXREGS-2] = dsr; | |
856 | chip->shadow.bytes[MAXREGS-1] = nsr; | |
857 | ||
858 | if(tda9874a_mode) { | |
859 | /* Note: DSR.RSSF and DSR.AMSTAT bits are also checked. | |
860 | * If NICAM auto-muting is enabled, DSR.AMSTAT=1 indicates | |
861 | * that sound has (temporarily) switched from NICAM to | |
862 | * mono FM (or AM) on 1st sound carrier due to high NICAM bit | |
863 | * error count. So in fact there is no stereo in this case :-( | |
864 | * But changing the mode to VIDEO_SOUND_MONO would switch | |
865 | * external 4052 multiplexer in audio_hook(). | |
866 | */ | |
1da177e4 LT |
867 | if(nsr & 0x02) /* NSR.S/MB=1 */ |
868 | mode |= VIDEO_SOUND_STEREO; | |
1da177e4 LT |
869 | if(nsr & 0x01) /* NSR.D/SB=1 */ |
870 | mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2; | |
871 | } else { | |
872 | if(dsr & 0x02) /* DSR.IDSTE=1 */ | |
873 | mode |= VIDEO_SOUND_STEREO; | |
874 | if(dsr & 0x04) /* DSR.IDDUA=1 */ | |
875 | mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2; | |
876 | } | |
877 | ||
f167cb4e | 878 | v4l_dbg(1, debug, &chip->c, "tda9874a_getmode(): DSR=0x%X, NSR=0x%X, NECR=0x%X, return: %d.\n", |
1da177e4 LT |
879 | dsr, nsr, necr, mode); |
880 | return mode; | |
881 | } | |
882 | ||
883 | static void tda9874a_setmode(struct CHIPSTATE *chip, int mode) | |
884 | { | |
885 | /* Disable/enable NICAM auto-muting (based on DSR.RSSF status bit). */ | |
886 | /* If auto-muting is disabled, we can hear a signal of degrading quality. */ | |
887 | if(tda9874a_mode) { | |
888 | if(chip->shadow.bytes[MAXREGS-2] & 0x20) /* DSR.RSSF=1 */ | |
889 | tda9874a_NCONR &= 0xfe; /* enable */ | |
890 | else | |
891 | tda9874a_NCONR |= 0x01; /* disable */ | |
892 | chip_write(chip, TDA9874A_NCONR, tda9874a_NCONR); | |
893 | } | |
894 | ||
895 | /* Note: TDA9874A supports automatic FM dematrixing (FMMR register) | |
896 | * and has auto-select function for audio output (AOSR register). | |
897 | * Old TDA9874H doesn't support these features. | |
898 | * TDA9874A also has additional mono output pin (OUTM), which | |
899 | * on same (all?) tv-cards is not used, anyway (as well as MONOIN). | |
900 | */ | |
901 | if(tda9874a_dic == 0x11) { | |
902 | int aosr = 0x80; | |
903 | int mdacosr = (tda9874a_mode) ? 0x82:0x80; | |
904 | ||
905 | switch(mode) { | |
906 | case VIDEO_SOUND_MONO: | |
907 | case VIDEO_SOUND_STEREO: | |
908 | break; | |
909 | case VIDEO_SOUND_LANG1: | |
910 | aosr = 0x80; /* auto-select, dual A/A */ | |
911 | mdacosr = (tda9874a_mode) ? 0x82:0x80; | |
912 | break; | |
913 | case VIDEO_SOUND_LANG2: | |
914 | aosr = 0xa0; /* auto-select, dual B/B */ | |
915 | mdacosr = (tda9874a_mode) ? 0x83:0x81; | |
916 | break; | |
917 | default: | |
918 | chip->mode = 0; | |
919 | return; | |
920 | } | |
921 | chip_write(chip, TDA9874A_AOSR, aosr); | |
922 | chip_write(chip, TDA9874A_MDACOSR, mdacosr); | |
923 | ||
f167cb4e | 924 | v4l_dbg(1, debug, &chip->c, "tda9874a_setmode(): req. mode %d; AOSR=0x%X, MDACOSR=0x%X.\n", |
1da177e4 LT |
925 | mode, aosr, mdacosr); |
926 | ||
927 | } else { /* dic == 0x07 */ | |
928 | int fmmr,aosr; | |
929 | ||
930 | switch(mode) { | |
931 | case VIDEO_SOUND_MONO: | |
932 | fmmr = 0x00; /* mono */ | |
933 | aosr = 0x10; /* A/A */ | |
934 | break; | |
935 | case VIDEO_SOUND_STEREO: | |
936 | if(tda9874a_mode) { | |
937 | fmmr = 0x00; | |
938 | aosr = 0x00; /* handled by NICAM auto-mute */ | |
939 | } else { | |
940 | fmmr = (tda9874a_ESP == 1) ? 0x05 : 0x04; /* stereo */ | |
941 | aosr = 0x00; | |
942 | } | |
943 | break; | |
944 | case VIDEO_SOUND_LANG1: | |
945 | fmmr = 0x02; /* dual */ | |
946 | aosr = 0x10; /* dual A/A */ | |
947 | break; | |
948 | case VIDEO_SOUND_LANG2: | |
949 | fmmr = 0x02; /* dual */ | |
950 | aosr = 0x20; /* dual B/B */ | |
951 | break; | |
952 | default: | |
953 | chip->mode = 0; | |
954 | return; | |
955 | } | |
956 | chip_write(chip, TDA9874A_FMMR, fmmr); | |
957 | chip_write(chip, TDA9874A_AOSR, aosr); | |
958 | ||
f167cb4e | 959 | v4l_dbg(1, debug, &chip->c, "tda9874a_setmode(): req. mode %d; FMMR=0x%X, AOSR=0x%X.\n", |
1da177e4 LT |
960 | mode, fmmr, aosr); |
961 | } | |
962 | } | |
963 | ||
964 | static int tda9874a_checkit(struct CHIPSTATE *chip) | |
965 | { | |
966 | int dic,sic; /* device id. and software id. codes */ | |
967 | ||
968 | if(-1 == (dic = chip_read2(chip,TDA9874A_DIC))) | |
969 | return 0; | |
970 | if(-1 == (sic = chip_read2(chip,TDA9874A_SIC))) | |
971 | return 0; | |
972 | ||
f167cb4e | 973 | v4l_dbg(1, debug, &chip->c, "tda9874a_checkit(): DIC=0x%X, SIC=0x%X.\n", dic, sic); |
1da177e4 LT |
974 | |
975 | if((dic == 0x11)||(dic == 0x07)) { | |
fac9e899 | 976 | v4l_info(&chip->c, "found tda9874%s.\n", (dic == 0x11) ? "a":"h"); |
1da177e4 LT |
977 | tda9874a_dic = dic; /* remember device id. */ |
978 | return 1; | |
979 | } | |
980 | return 0; /* not found */ | |
981 | } | |
982 | ||
983 | static int tda9874a_initialize(struct CHIPSTATE *chip) | |
984 | { | |
985 | if (tda9874a_SIF > 2) | |
986 | tda9874a_SIF = 1; | |
faf8b249 | 987 | if (tda9874a_STD > 8) |
1da177e4 LT |
988 | tda9874a_STD = 0; |
989 | if(tda9874a_AMSEL > 1) | |
990 | tda9874a_AMSEL = 0; | |
991 | ||
992 | if(tda9874a_SIF == 1) | |
993 | tda9874a_GCONR = 0xc0; /* sound IF input 1 */ | |
994 | else | |
995 | tda9874a_GCONR = 0xc1; /* sound IF input 2 */ | |
996 | ||
997 | tda9874a_ESP = tda9874a_STD; | |
998 | tda9874a_mode = (tda9874a_STD < 5) ? 0 : 1; | |
999 | ||
1000 | if(tda9874a_AMSEL == 0) | |
1001 | tda9874a_NCONR = 0x01; /* auto-mute: analog mono input */ | |
1002 | else | |
1003 | tda9874a_NCONR = 0x05; /* auto-mute: 1st carrier FM or AM */ | |
1004 | ||
1005 | tda9874a_setup(chip); | |
1006 | return 0; | |
1007 | } | |
1008 | ||
1009 | ||
1010 | /* ---------------------------------------------------------------------- */ | |
1011 | /* audio chip descriptions - defines+functions for tea6420 */ | |
1012 | ||
1013 | #define TEA6300_VL 0x00 /* volume left */ | |
1014 | #define TEA6300_VR 0x01 /* volume right */ | |
1015 | #define TEA6300_BA 0x02 /* bass */ | |
1016 | #define TEA6300_TR 0x03 /* treble */ | |
1017 | #define TEA6300_FA 0x04 /* fader control */ | |
1018 | #define TEA6300_S 0x05 /* switch register */ | |
f2421ca3 | 1019 | /* values for those registers: */ |
1da177e4 LT |
1020 | #define TEA6300_S_SA 0x01 /* stereo A input */ |
1021 | #define TEA6300_S_SB 0x02 /* stereo B */ | |
1022 | #define TEA6300_S_SC 0x04 /* stereo C */ | |
1023 | #define TEA6300_S_GMU 0x80 /* general mute */ | |
1024 | ||
1025 | #define TEA6320_V 0x00 /* volume (0-5)/loudness off (6)/zero crossing mute(7) */ | |
1026 | #define TEA6320_FFR 0x01 /* fader front right (0-5) */ | |
1027 | #define TEA6320_FFL 0x02 /* fader front left (0-5) */ | |
1028 | #define TEA6320_FRR 0x03 /* fader rear right (0-5) */ | |
1029 | #define TEA6320_FRL 0x04 /* fader rear left (0-5) */ | |
1030 | #define TEA6320_BA 0x05 /* bass (0-4) */ | |
1031 | #define TEA6320_TR 0x06 /* treble (0-4) */ | |
1032 | #define TEA6320_S 0x07 /* switch register */ | |
f2421ca3 | 1033 | /* values for those registers: */ |
1da177e4 LT |
1034 | #define TEA6320_S_SA 0x07 /* stereo A input */ |
1035 | #define TEA6320_S_SB 0x06 /* stereo B */ | |
1036 | #define TEA6320_S_SC 0x05 /* stereo C */ | |
1037 | #define TEA6320_S_SD 0x04 /* stereo D */ | |
1038 | #define TEA6320_S_GMU 0x80 /* general mute */ | |
1039 | ||
1040 | #define TEA6420_S_SA 0x00 /* stereo A input */ | |
1041 | #define TEA6420_S_SB 0x01 /* stereo B */ | |
1042 | #define TEA6420_S_SC 0x02 /* stereo C */ | |
1043 | #define TEA6420_S_SD 0x03 /* stereo D */ | |
1044 | #define TEA6420_S_SE 0x04 /* stereo E */ | |
1045 | #define TEA6420_S_GMU 0x05 /* general mute */ | |
1046 | ||
1047 | static int tea6300_shift10(int val) { return val >> 10; } | |
1048 | static int tea6300_shift12(int val) { return val >> 12; } | |
1049 | ||
1050 | /* Assumes 16bit input (values 0x3f to 0x0c are unique, values less than */ | |
1051 | /* 0x0c mirror those immediately higher) */ | |
1052 | static int tea6320_volume(int val) { return (val / (65535/(63-12)) + 12) & 0x3f; } | |
1053 | static int tea6320_shift11(int val) { return val >> 11; } | |
1054 | static int tea6320_initialize(struct CHIPSTATE * chip) | |
1055 | { | |
1056 | chip_write(chip, TEA6320_FFR, 0x3f); | |
1057 | chip_write(chip, TEA6320_FFL, 0x3f); | |
1058 | chip_write(chip, TEA6320_FRR, 0x3f); | |
1059 | chip_write(chip, TEA6320_FRL, 0x3f); | |
1060 | ||
1061 | return 0; | |
1062 | } | |
1063 | ||
1064 | ||
1065 | /* ---------------------------------------------------------------------- */ | |
1066 | /* audio chip descriptions - defines+functions for tda8425 */ | |
1067 | ||
1068 | #define TDA8425_VL 0x00 /* volume left */ | |
1069 | #define TDA8425_VR 0x01 /* volume right */ | |
1070 | #define TDA8425_BA 0x02 /* bass */ | |
1071 | #define TDA8425_TR 0x03 /* treble */ | |
1072 | #define TDA8425_S1 0x08 /* switch functions */ | |
f2421ca3 | 1073 | /* values for those registers: */ |
1da177e4 LT |
1074 | #define TDA8425_S1_OFF 0xEE /* audio off (mute on) */ |
1075 | #define TDA8425_S1_CH1 0xCE /* audio channel 1 (mute off) - "linear stereo" mode */ | |
1076 | #define TDA8425_S1_CH2 0xCF /* audio channel 2 (mute off) - "linear stereo" mode */ | |
1077 | #define TDA8425_S1_MU 0x20 /* mute bit */ | |
1078 | #define TDA8425_S1_STEREO 0x18 /* stereo bits */ | |
1079 | #define TDA8425_S1_STEREO_SPATIAL 0x18 /* spatial stereo */ | |
1080 | #define TDA8425_S1_STEREO_LINEAR 0x08 /* linear stereo */ | |
1081 | #define TDA8425_S1_STEREO_PSEUDO 0x10 /* pseudo stereo */ | |
1082 | #define TDA8425_S1_STEREO_MONO 0x00 /* forced mono */ | |
1083 | #define TDA8425_S1_ML 0x06 /* language selector */ | |
1084 | #define TDA8425_S1_ML_SOUND_A 0x02 /* sound a */ | |
1085 | #define TDA8425_S1_ML_SOUND_B 0x04 /* sound b */ | |
1086 | #define TDA8425_S1_ML_STEREO 0x06 /* stereo */ | |
1087 | #define TDA8425_S1_IS 0x01 /* channel selector */ | |
1088 | ||
1089 | ||
1090 | static int tda8425_shift10(int val) { return (val >> 10) | 0xc0; } | |
1091 | static int tda8425_shift12(int val) { return (val >> 12) | 0xf0; } | |
1092 | ||
1093 | static int tda8425_initialize(struct CHIPSTATE *chip) | |
1094 | { | |
1095 | struct CHIPDESC *desc = chiplist + chip->type; | |
8bf2f8e7 HV |
1096 | int inputmap[4] = { /* tuner */ TDA8425_S1_CH2, /* radio */ TDA8425_S1_CH1, |
1097 | /* extern */ TDA8425_S1_CH1, /* intern */ TDA8425_S1_OFF}; | |
1da177e4 | 1098 | |
c7a46533 | 1099 | if (chip->c.adapter->id == I2C_HW_B_RIVA) { |
1da177e4 LT |
1100 | memcpy (desc->inputmap, inputmap, sizeof (inputmap)); |
1101 | } | |
1102 | return 0; | |
1103 | } | |
1104 | ||
1105 | static void tda8425_setmode(struct CHIPSTATE *chip, int mode) | |
1106 | { | |
1107 | int s1 = chip->shadow.bytes[TDA8425_S1+1] & 0xe1; | |
1108 | ||
1109 | if (mode & VIDEO_SOUND_LANG1) { | |
1110 | s1 |= TDA8425_S1_ML_SOUND_A; | |
1111 | s1 |= TDA8425_S1_STEREO_PSEUDO; | |
1112 | ||
1113 | } else if (mode & VIDEO_SOUND_LANG2) { | |
1114 | s1 |= TDA8425_S1_ML_SOUND_B; | |
1115 | s1 |= TDA8425_S1_STEREO_PSEUDO; | |
1116 | ||
1117 | } else { | |
1118 | s1 |= TDA8425_S1_ML_STEREO; | |
1119 | ||
1120 | if (mode & VIDEO_SOUND_MONO) | |
1121 | s1 |= TDA8425_S1_STEREO_MONO; | |
1122 | if (mode & VIDEO_SOUND_STEREO) | |
1123 | s1 |= TDA8425_S1_STEREO_SPATIAL; | |
1124 | } | |
1125 | chip_write(chip,TDA8425_S1,s1); | |
1126 | } | |
1127 | ||
1128 | ||
1129 | /* ---------------------------------------------------------------------- */ | |
1130 | /* audio chip descriptions - defines+functions for pic16c54 (PV951) */ | |
1131 | ||
1132 | /* the registers of 16C54, I2C sub address. */ | |
1133 | #define PIC16C54_REG_KEY_CODE 0x01 /* Not use. */ | |
1134 | #define PIC16C54_REG_MISC 0x02 | |
1135 | ||
1136 | /* bit definition of the RESET register, I2C data. */ | |
1137 | #define PIC16C54_MISC_RESET_REMOTE_CTL 0x01 /* bit 0, Reset to receive the key */ | |
f2421ca3 | 1138 | /* code of remote controller */ |
1da177e4 LT |
1139 | #define PIC16C54_MISC_MTS_MAIN 0x02 /* bit 1 */ |
1140 | #define PIC16C54_MISC_MTS_SAP 0x04 /* bit 2 */ | |
1141 | #define PIC16C54_MISC_MTS_BOTH 0x08 /* bit 3 */ | |
1142 | #define PIC16C54_MISC_SND_MUTE 0x10 /* bit 4, Mute Audio(Line-in and Tuner) */ | |
1143 | #define PIC16C54_MISC_SND_NOTMUTE 0x20 /* bit 5 */ | |
1144 | #define PIC16C54_MISC_SWITCH_TUNER 0x40 /* bit 6 , Switch to Line-in */ | |
1145 | #define PIC16C54_MISC_SWITCH_LINE 0x80 /* bit 7 , Switch to Tuner */ | |
1146 | ||
1147 | /* ---------------------------------------------------------------------- */ | |
1148 | /* audio chip descriptions - defines+functions for TA8874Z */ | |
1149 | ||
18fc59e2 | 1150 | /* write 1st byte */ |
1da177e4 LT |
1151 | #define TA8874Z_LED_STE 0x80 |
1152 | #define TA8874Z_LED_BIL 0x40 | |
1153 | #define TA8874Z_LED_EXT 0x20 | |
1154 | #define TA8874Z_MONO_SET 0x10 | |
1155 | #define TA8874Z_MUTE 0x08 | |
1156 | #define TA8874Z_F_MONO 0x04 | |
1157 | #define TA8874Z_MODE_SUB 0x02 | |
1158 | #define TA8874Z_MODE_MAIN 0x01 | |
1159 | ||
18fc59e2 MCC |
1160 | /* write 2nd byte */ |
1161 | /*#define TA8874Z_TI 0x80 */ /* test mode */ | |
1da177e4 LT |
1162 | #define TA8874Z_SEPARATION 0x3f |
1163 | #define TA8874Z_SEPARATION_DEFAULT 0x10 | |
1164 | ||
18fc59e2 | 1165 | /* read */ |
1da177e4 LT |
1166 | #define TA8874Z_B1 0x80 |
1167 | #define TA8874Z_B0 0x40 | |
1168 | #define TA8874Z_CHAG_FLAG 0x20 | |
1169 | ||
18fc59e2 MCC |
1170 | /* |
1171 | * B1 B0 | |
1172 | * mono L H | |
1173 | * stereo L L | |
1174 | * BIL H L | |
1175 | */ | |
1da177e4 LT |
1176 | static int ta8874z_getmode(struct CHIPSTATE *chip) |
1177 | { | |
1178 | int val, mode; | |
1179 | ||
1180 | val = chip_read(chip); | |
1181 | mode = VIDEO_SOUND_MONO; | |
1182 | if (val & TA8874Z_B1){ | |
1183 | mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2; | |
1184 | }else if (!(val & TA8874Z_B0)){ | |
1185 | mode |= VIDEO_SOUND_STEREO; | |
1186 | } | |
f167cb4e | 1187 | /* v4l_dbg(1, debug, &chip->c, "ta8874z_getmode(): raw chip read: 0x%02x, return: 0x%02x\n", val, mode); */ |
1da177e4 LT |
1188 | return mode; |
1189 | } | |
1190 | ||
1191 | static audiocmd ta8874z_stereo = { 2, {0, TA8874Z_SEPARATION_DEFAULT}}; | |
1192 | static audiocmd ta8874z_mono = {2, { TA8874Z_MONO_SET, TA8874Z_SEPARATION_DEFAULT}}; | |
1193 | static audiocmd ta8874z_main = {2, { 0, TA8874Z_SEPARATION_DEFAULT}}; | |
1194 | static audiocmd ta8874z_sub = {2, { TA8874Z_MODE_SUB, TA8874Z_SEPARATION_DEFAULT}}; | |
1195 | ||
1196 | static void ta8874z_setmode(struct CHIPSTATE *chip, int mode) | |
1197 | { | |
1198 | int update = 1; | |
1199 | audiocmd *t = NULL; | |
f167cb4e | 1200 | v4l_dbg(1, debug, &chip->c, "ta8874z_setmode(): mode: 0x%02x\n", mode); |
1da177e4 LT |
1201 | |
1202 | switch(mode){ | |
1203 | case VIDEO_SOUND_MONO: | |
1204 | t = &ta8874z_mono; | |
1205 | break; | |
1206 | case VIDEO_SOUND_STEREO: | |
1207 | t = &ta8874z_stereo; | |
1208 | break; | |
1209 | case VIDEO_SOUND_LANG1: | |
1210 | t = &ta8874z_main; | |
1211 | break; | |
1212 | case VIDEO_SOUND_LANG2: | |
1213 | t = &ta8874z_sub; | |
1214 | break; | |
1215 | default: | |
1216 | update = 0; | |
1217 | } | |
1218 | ||
1219 | if(update) | |
1220 | chip_cmd(chip, "TA8874Z", t); | |
1221 | } | |
1222 | ||
1223 | static int ta8874z_checkit(struct CHIPSTATE *chip) | |
1224 | { | |
1225 | int rc; | |
1226 | rc = chip_read(chip); | |
1227 | return ((rc & 0x1f) == 0x1f) ? 1 : 0; | |
1228 | } | |
1229 | ||
1230 | /* ---------------------------------------------------------------------- */ | |
1231 | /* audio chip descriptions - struct CHIPDESC */ | |
1232 | ||
1233 | /* insmod options to enable/disable individual audio chips */ | |
52c1da39 AB |
1234 | static int tda8425 = 1; |
1235 | static int tda9840 = 1; | |
1236 | static int tda9850 = 1; | |
1237 | static int tda9855 = 1; | |
1238 | static int tda9873 = 1; | |
1239 | static int tda9874a = 1; | |
18fc59e2 MCC |
1240 | static int tea6300 = 0; /* address clash with msp34xx */ |
1241 | static int tea6320 = 0; /* address clash with msp34xx */ | |
52c1da39 AB |
1242 | static int tea6420 = 1; |
1243 | static int pic16c54 = 1; | |
18fc59e2 | 1244 | static int ta8874z = 0; /* address clash with tda9840 */ |
1da177e4 LT |
1245 | |
1246 | module_param(tda8425, int, 0444); | |
1247 | module_param(tda9840, int, 0444); | |
1248 | module_param(tda9850, int, 0444); | |
1249 | module_param(tda9855, int, 0444); | |
1250 | module_param(tda9873, int, 0444); | |
1251 | module_param(tda9874a, int, 0444); | |
1252 | module_param(tea6300, int, 0444); | |
1253 | module_param(tea6320, int, 0444); | |
1254 | module_param(tea6420, int, 0444); | |
1255 | module_param(pic16c54, int, 0444); | |
1256 | module_param(ta8874z, int, 0444); | |
1257 | ||
1258 | static struct CHIPDESC chiplist[] = { | |
1259 | { | |
1260 | .name = "tda9840", | |
1261 | .id = I2C_DRIVERID_TDA9840, | |
1262 | .insmodopt = &tda9840, | |
09df1c16 MCC |
1263 | .addr_lo = I2C_ADDR_TDA9840 >> 1, |
1264 | .addr_hi = I2C_ADDR_TDA9840 >> 1, | |
1da177e4 LT |
1265 | .registers = 5, |
1266 | ||
94f9e56e | 1267 | .checkit = tda9840_checkit, |
1da177e4 LT |
1268 | .getmode = tda9840_getmode, |
1269 | .setmode = tda9840_setmode, | |
1270 | .checkmode = generic_checkmode, | |
1271 | ||
4ac97914 | 1272 | .init = { 2, { TDA9840_TEST, TDA9840_TEST_INT1SN |
1da177e4 LT |
1273 | /* ,TDA9840_SW, TDA9840_MONO */} } |
1274 | }, | |
1275 | { | |
1276 | .name = "tda9873h", | |
1277 | .id = I2C_DRIVERID_TDA9873, | |
1278 | .checkit = tda9873_checkit, | |
1279 | .insmodopt = &tda9873, | |
09df1c16 MCC |
1280 | .addr_lo = I2C_ADDR_TDA985x_L >> 1, |
1281 | .addr_hi = I2C_ADDR_TDA985x_H >> 1, | |
1da177e4 LT |
1282 | .registers = 3, |
1283 | .flags = CHIP_HAS_INPUTSEL, | |
1284 | ||
1285 | .getmode = tda9873_getmode, | |
1286 | .setmode = tda9873_setmode, | |
1287 | .checkmode = generic_checkmode, | |
1288 | ||
1289 | .init = { 4, { TDA9873_SW, 0xa4, 0x06, 0x03 } }, | |
1290 | .inputreg = TDA9873_SW, | |
1291 | .inputmute = TDA9873_MUTE | TDA9873_AUTOMUTE, | |
8bf2f8e7 | 1292 | .inputmap = {0xa0, 0xa2, 0xa0, 0xa0}, |
1da177e4 LT |
1293 | .inputmask = TDA9873_INP_MASK|TDA9873_MUTE|TDA9873_AUTOMUTE, |
1294 | ||
1295 | }, | |
1296 | { | |
1297 | .name = "tda9874h/a", | |
1298 | .id = I2C_DRIVERID_TDA9874, | |
1299 | .checkit = tda9874a_checkit, | |
1300 | .initialize = tda9874a_initialize, | |
1301 | .insmodopt = &tda9874a, | |
09df1c16 MCC |
1302 | .addr_lo = I2C_ADDR_TDA9874 >> 1, |
1303 | .addr_hi = I2C_ADDR_TDA9874 >> 1, | |
1da177e4 LT |
1304 | |
1305 | .getmode = tda9874a_getmode, | |
1306 | .setmode = tda9874a_setmode, | |
1307 | .checkmode = generic_checkmode, | |
1308 | }, | |
1309 | { | |
1310 | .name = "tda9850", | |
1311 | .id = I2C_DRIVERID_TDA9850, | |
1312 | .insmodopt = &tda9850, | |
09df1c16 MCC |
1313 | .addr_lo = I2C_ADDR_TDA985x_L >> 1, |
1314 | .addr_hi = I2C_ADDR_TDA985x_H >> 1, | |
1da177e4 LT |
1315 | .registers = 11, |
1316 | ||
1317 | .getmode = tda985x_getmode, | |
1318 | .setmode = tda985x_setmode, | |
1319 | ||
1320 | .init = { 8, { TDA9850_C4, 0x08, 0x08, TDA985x_STEREO, 0x07, 0x10, 0x10, 0x03 } } | |
1321 | }, | |
1322 | { | |
1323 | .name = "tda9855", | |
1324 | .id = I2C_DRIVERID_TDA9855, | |
1325 | .insmodopt = &tda9855, | |
09df1c16 MCC |
1326 | .addr_lo = I2C_ADDR_TDA985x_L >> 1, |
1327 | .addr_hi = I2C_ADDR_TDA985x_H >> 1, | |
1da177e4 LT |
1328 | .registers = 11, |
1329 | .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE, | |
1330 | ||
1331 | .leftreg = TDA9855_VL, | |
1332 | .rightreg = TDA9855_VR, | |
1333 | .bassreg = TDA9855_BA, | |
1334 | .treblereg = TDA9855_TR, | |
1335 | .volfunc = tda9855_volume, | |
1336 | .bassfunc = tda9855_bass, | |
1337 | .treblefunc = tda9855_treble, | |
1338 | ||
1339 | .getmode = tda985x_getmode, | |
1340 | .setmode = tda985x_setmode, | |
1341 | ||
1342 | .init = { 12, { 0, 0x6f, 0x6f, 0x0e, 0x07<<1, 0x8<<2, | |
1343 | TDA9855_MUTE | TDA9855_AVL | TDA9855_LOUD | TDA9855_INT, | |
1344 | TDA985x_STEREO | TDA9855_LINEAR | TDA9855_TZCM | TDA9855_VZCM, | |
1345 | 0x07, 0x10, 0x10, 0x03 }} | |
1346 | }, | |
1347 | { | |
1348 | .name = "tea6300", | |
1349 | .id = I2C_DRIVERID_TEA6300, | |
1350 | .insmodopt = &tea6300, | |
09df1c16 MCC |
1351 | .addr_lo = I2C_ADDR_TEA6300 >> 1, |
1352 | .addr_hi = I2C_ADDR_TEA6300 >> 1, | |
1da177e4 LT |
1353 | .registers = 6, |
1354 | .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL, | |
1355 | ||
1356 | .leftreg = TEA6300_VR, | |
1357 | .rightreg = TEA6300_VL, | |
1358 | .bassreg = TEA6300_BA, | |
1359 | .treblereg = TEA6300_TR, | |
1360 | .volfunc = tea6300_shift10, | |
1361 | .bassfunc = tea6300_shift12, | |
1362 | .treblefunc = tea6300_shift12, | |
1363 | ||
1364 | .inputreg = TEA6300_S, | |
1365 | .inputmap = { TEA6300_S_SA, TEA6300_S_SB, TEA6300_S_SC }, | |
1366 | .inputmute = TEA6300_S_GMU, | |
1367 | }, | |
1368 | { | |
1369 | .name = "tea6320", | |
1370 | .id = I2C_DRIVERID_TEA6300, | |
1371 | .initialize = tea6320_initialize, | |
1372 | .insmodopt = &tea6320, | |
09df1c16 MCC |
1373 | .addr_lo = I2C_ADDR_TEA6300 >> 1, |
1374 | .addr_hi = I2C_ADDR_TEA6300 >> 1, | |
1da177e4 LT |
1375 | .registers = 8, |
1376 | .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL, | |
1377 | ||
1378 | .leftreg = TEA6320_V, | |
1379 | .rightreg = TEA6320_V, | |
1380 | .bassreg = TEA6320_BA, | |
1381 | .treblereg = TEA6320_TR, | |
1382 | .volfunc = tea6320_volume, | |
1383 | .bassfunc = tea6320_shift11, | |
1384 | .treblefunc = tea6320_shift11, | |
1385 | ||
1386 | .inputreg = TEA6320_S, | |
1387 | .inputmap = { TEA6320_S_SA, TEA6420_S_SB, TEA6300_S_SC, TEA6320_S_SD }, | |
1388 | .inputmute = TEA6300_S_GMU, | |
1389 | }, | |
1390 | { | |
1391 | .name = "tea6420", | |
1392 | .id = I2C_DRIVERID_TEA6420, | |
1393 | .insmodopt = &tea6420, | |
09df1c16 MCC |
1394 | .addr_lo = I2C_ADDR_TEA6420 >> 1, |
1395 | .addr_hi = I2C_ADDR_TEA6420 >> 1, | |
1da177e4 LT |
1396 | .registers = 1, |
1397 | .flags = CHIP_HAS_INPUTSEL, | |
1398 | ||
1399 | .inputreg = -1, | |
1400 | .inputmap = { TEA6420_S_SA, TEA6420_S_SB, TEA6420_S_SC }, | |
1401 | .inputmute = TEA6300_S_GMU, | |
1402 | }, | |
1403 | { | |
1404 | .name = "tda8425", | |
1405 | .id = I2C_DRIVERID_TDA8425, | |
1406 | .insmodopt = &tda8425, | |
09df1c16 MCC |
1407 | .addr_lo = I2C_ADDR_TDA8425 >> 1, |
1408 | .addr_hi = I2C_ADDR_TDA8425 >> 1, | |
1da177e4 LT |
1409 | .registers = 9, |
1410 | .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL, | |
1411 | ||
1412 | .leftreg = TDA8425_VL, | |
1413 | .rightreg = TDA8425_VR, | |
1414 | .bassreg = TDA8425_BA, | |
1415 | .treblereg = TDA8425_TR, | |
1416 | .volfunc = tda8425_shift10, | |
1417 | .bassfunc = tda8425_shift12, | |
1418 | .treblefunc = tda8425_shift12, | |
1419 | ||
1420 | .inputreg = TDA8425_S1, | |
1421 | .inputmap = { TDA8425_S1_CH1, TDA8425_S1_CH1, TDA8425_S1_CH1 }, | |
1422 | .inputmute = TDA8425_S1_OFF, | |
1423 | ||
1424 | .setmode = tda8425_setmode, | |
1425 | .initialize = tda8425_initialize, | |
1426 | }, | |
1427 | { | |
1428 | .name = "pic16c54 (PV951)", | |
e0ec29b7 | 1429 | .id = I2C_DRIVERID_PIC16C54_PV9, |
1da177e4 | 1430 | .insmodopt = &pic16c54, |
09df1c16 MCC |
1431 | .addr_lo = I2C_ADDR_PIC16C54 >> 1, |
1432 | .addr_hi = I2C_ADDR_PIC16C54>> 1, | |
1da177e4 LT |
1433 | .registers = 2, |
1434 | .flags = CHIP_HAS_INPUTSEL, | |
1435 | ||
1436 | .inputreg = PIC16C54_REG_MISC, | |
1437 | .inputmap = {PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_TUNER, | |
1438 | PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_LINE, | |
1439 | PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_LINE, | |
8bf2f8e7 | 1440 | PIC16C54_MISC_SND_MUTE}, |
1da177e4 LT |
1441 | .inputmute = PIC16C54_MISC_SND_MUTE, |
1442 | }, | |
1443 | { | |
1444 | .name = "ta8874z", | |
1445 | .id = -1, | |
18fc59e2 | 1446 | /*.id = I2C_DRIVERID_TA8874Z, */ |
1da177e4 LT |
1447 | .checkit = ta8874z_checkit, |
1448 | .insmodopt = &ta8874z, | |
09df1c16 MCC |
1449 | .addr_lo = I2C_ADDR_TDA9840 >> 1, |
1450 | .addr_hi = I2C_ADDR_TDA9840 >> 1, | |
1da177e4 LT |
1451 | .registers = 2, |
1452 | ||
1453 | .getmode = ta8874z_getmode, | |
1454 | .setmode = ta8874z_setmode, | |
1455 | .checkmode = generic_checkmode, | |
1456 | ||
4ac97914 | 1457 | .init = {2, { TA8874Z_MONO_SET, TA8874Z_SEPARATION_DEFAULT}}, |
1da177e4 LT |
1458 | }, |
1459 | { .name = NULL } /* EOF */ | |
1460 | }; | |
1461 | ||
1462 | ||
1463 | /* ---------------------------------------------------------------------- */ | |
1464 | /* i2c registration */ | |
1465 | ||
1466 | static int chip_attach(struct i2c_adapter *adap, int addr, int kind) | |
1467 | { | |
1468 | struct CHIPSTATE *chip; | |
1469 | struct CHIPDESC *desc; | |
1470 | ||
7408187d | 1471 | chip = kzalloc(sizeof(*chip),GFP_KERNEL); |
1da177e4 LT |
1472 | if (!chip) |
1473 | return -ENOMEM; | |
1da177e4 | 1474 | memcpy(&chip->c,&client_template,sizeof(struct i2c_client)); |
4ac97914 MCC |
1475 | chip->c.adapter = adap; |
1476 | chip->c.addr = addr; | |
1da177e4 LT |
1477 | i2c_set_clientdata(&chip->c, chip); |
1478 | ||
1479 | /* find description for the chip */ | |
f167cb4e | 1480 | v4l_dbg(1, debug, &chip->c, "chip found @ 0x%x\n", addr<<1); |
1da177e4 LT |
1481 | for (desc = chiplist; desc->name != NULL; desc++) { |
1482 | if (0 == *(desc->insmodopt)) | |
1483 | continue; | |
1484 | if (addr < desc->addr_lo || | |
1485 | addr > desc->addr_hi) | |
1486 | continue; | |
1487 | if (desc->checkit && !desc->checkit(chip)) | |
1488 | continue; | |
1489 | break; | |
1490 | } | |
1491 | if (desc->name == NULL) { | |
f167cb4e | 1492 | v4l_dbg(1, debug, &chip->c, "no matching chip description found\n"); |
1da177e4 LT |
1493 | return -EIO; |
1494 | } | |
fac9e899 | 1495 | v4l_info(&chip->c, "%s found @ 0x%x (%s)\n", desc->name, addr<<1, adap->name); |
afd1a0c9 | 1496 | if (desc->flags) { |
f167cb4e | 1497 | v4l_dbg(1, debug, &chip->c, "matches:%s%s%s.\n", |
674434c6 MCC |
1498 | (desc->flags & CHIP_HAS_VOLUME) ? " volume" : "", |
1499 | (desc->flags & CHIP_HAS_BASSTREBLE) ? " bass/treble" : "", | |
1500 | (desc->flags & CHIP_HAS_INPUTSEL) ? " audiomux" : ""); | |
afd1a0c9 | 1501 | } |
1da177e4 LT |
1502 | |
1503 | /* fill required data structures */ | |
674434c6 | 1504 | strcpy(chip->c.name, desc->name); |
1da177e4 LT |
1505 | chip->type = desc-chiplist; |
1506 | chip->shadow.count = desc->registers+1; | |
afd1a0c9 | 1507 | chip->prevmode = -1; |
8a4b275f | 1508 | chip->audmode = V4L2_TUNER_MODE_LANG1; |
1da177e4 LT |
1509 | /* register */ |
1510 | i2c_attach_client(&chip->c); | |
1511 | ||
1512 | /* initialization */ | |
1513 | if (desc->initialize != NULL) | |
1514 | desc->initialize(chip); | |
1515 | else | |
1516 | chip_cmd(chip,"init",&desc->init); | |
1517 | ||
1518 | if (desc->flags & CHIP_HAS_VOLUME) { | |
1519 | chip->left = desc->leftinit ? desc->leftinit : 65535; | |
1520 | chip->right = desc->rightinit ? desc->rightinit : 65535; | |
1521 | chip_write(chip,desc->leftreg,desc->volfunc(chip->left)); | |
1522 | chip_write(chip,desc->rightreg,desc->volfunc(chip->right)); | |
1523 | } | |
1524 | if (desc->flags & CHIP_HAS_BASSTREBLE) { | |
1525 | chip->treble = desc->trebleinit ? desc->trebleinit : 32768; | |
1526 | chip->bass = desc->bassinit ? desc->bassinit : 32768; | |
1527 | chip_write(chip,desc->bassreg,desc->bassfunc(chip->bass)); | |
1528 | chip_write(chip,desc->treblereg,desc->treblefunc(chip->treble)); | |
1529 | } | |
1530 | ||
bc282879 | 1531 | chip->thread = NULL; |
1da177e4 LT |
1532 | if (desc->checkmode) { |
1533 | /* start async thread */ | |
1534 | init_timer(&chip->wt); | |
1535 | chip->wt.function = chip_thread_wake; | |
1536 | chip->wt.data = (unsigned long)chip; | |
bc282879 CLG |
1537 | chip->thread = kthread_run(chip_thread, chip, chip->c.name); |
1538 | if (IS_ERR(chip->thread)) { | |
1539 | v4l_warn(&chip->c, "%s: failed to create kthread\n", | |
fae91e72 | 1540 | chip->c.name); |
bc282879 CLG |
1541 | chip->thread = NULL; |
1542 | } | |
1da177e4 LT |
1543 | } |
1544 | return 0; | |
1545 | } | |
1546 | ||
1547 | static int chip_probe(struct i2c_adapter *adap) | |
1548 | { | |
1549 | /* don't attach on saa7146 based cards, | |
1550 | because dedicated drivers are used */ | |
18fc59e2 | 1551 | if ((adap->id == I2C_HW_SAA7146)) |
1da177e4 | 1552 | return 0; |
1da177e4 LT |
1553 | if (adap->class & I2C_CLASS_TV_ANALOG) |
1554 | return i2c_probe(adap, &addr_data, chip_attach); | |
1da177e4 LT |
1555 | return 0; |
1556 | } | |
1557 | ||
1558 | static int chip_detach(struct i2c_client *client) | |
1559 | { | |
1560 | struct CHIPSTATE *chip = i2c_get_clientdata(client); | |
1561 | ||
1562 | del_timer_sync(&chip->wt); | |
bc282879 | 1563 | if (chip->thread) { |
1da177e4 | 1564 | /* shutdown async thread */ |
bc282879 CLG |
1565 | kthread_stop(chip->thread); |
1566 | chip->thread = NULL; | |
1da177e4 LT |
1567 | } |
1568 | ||
1569 | i2c_detach_client(&chip->c); | |
1570 | kfree(chip); | |
1571 | return 0; | |
1572 | } | |
1573 | ||
8bf2f8e7 HV |
1574 | static int tvaudio_set_ctrl(struct CHIPSTATE *chip, struct v4l2_control *ctrl) |
1575 | { | |
1576 | struct CHIPDESC *desc = chiplist + chip->type; | |
1577 | ||
1578 | switch (ctrl->id) { | |
1579 | case V4L2_CID_AUDIO_MUTE: | |
1580 | if (ctrl->value < 0 || ctrl->value >= 2) | |
1581 | return -ERANGE; | |
1582 | chip->muted = ctrl->value; | |
1583 | if (chip->muted) | |
1584 | chip_write_masked(chip,desc->inputreg,desc->inputmute,desc->inputmask); | |
1585 | else | |
1586 | chip_write_masked(chip,desc->inputreg, | |
1587 | desc->inputmap[chip->input],desc->inputmask); | |
1588 | break; | |
1589 | default: | |
1590 | return -EINVAL; | |
1591 | } | |
1592 | return 0; | |
1593 | } | |
1594 | ||
1595 | ||
1da177e4 LT |
1596 | /* ---------------------------------------------------------------------- */ |
1597 | /* video4linux interface */ | |
1598 | ||
1599 | static int chip_command(struct i2c_client *client, | |
1600 | unsigned int cmd, void *arg) | |
1601 | { | |
1da177e4 LT |
1602 | struct CHIPSTATE *chip = i2c_get_clientdata(client); |
1603 | struct CHIPDESC *desc = chiplist + chip->type; | |
1604 | ||
f167cb4e | 1605 | v4l_dbg(1, debug, &chip->c, "%s: chip_command 0x%x\n", chip->c.name, cmd); |
1da177e4 LT |
1606 | |
1607 | switch (cmd) { | |
1da177e4 | 1608 | case AUDC_SET_RADIO: |
8a854284 | 1609 | chip->radio = 1; |
1da177e4 LT |
1610 | chip->watch_stereo = 0; |
1611 | /* del_timer(&chip->wt); */ | |
1612 | break; | |
1613 | ||
1614 | /* --- v4l ioctls --- */ | |
1615 | /* take care: bttv does userspace copying, we'll get a | |
674434c6 | 1616 | kernel pointer here... */ |
1da177e4 LT |
1617 | case VIDIOCGAUDIO: |
1618 | { | |
1619 | struct video_audio *va = arg; | |
1620 | ||
1621 | if (desc->flags & CHIP_HAS_VOLUME) { | |
1622 | va->flags |= VIDEO_AUDIO_VOLUME; | |
1623 | va->volume = max(chip->left,chip->right); | |
1624 | if (va->volume) | |
1625 | va->balance = (32768*min(chip->left,chip->right))/ | |
1626 | va->volume; | |
1627 | else | |
1628 | va->balance = 32768; | |
1629 | } | |
1630 | if (desc->flags & CHIP_HAS_BASSTREBLE) { | |
1631 | va->flags |= VIDEO_AUDIO_BASS | VIDEO_AUDIO_TREBLE; | |
1632 | va->bass = chip->bass; | |
1633 | va->treble = chip->treble; | |
1634 | } | |
8a854284 | 1635 | if (!chip->radio) { |
1da177e4 LT |
1636 | if (desc->getmode) |
1637 | va->mode = desc->getmode(chip); | |
1638 | else | |
1639 | va->mode = VIDEO_SOUND_MONO; | |
1640 | } | |
1641 | break; | |
1642 | } | |
1643 | ||
1644 | case VIDIOCSAUDIO: | |
1645 | { | |
1646 | struct video_audio *va = arg; | |
1647 | ||
1648 | if (desc->flags & CHIP_HAS_VOLUME) { | |
1649 | chip->left = (min(65536 - va->balance,32768) * | |
18fc59e2 | 1650 | va->volume) / 32768; |
1da177e4 | 1651 | chip->right = (min(va->balance,(__u16)32768) * |
18fc59e2 | 1652 | va->volume) / 32768; |
1da177e4 LT |
1653 | chip_write(chip,desc->leftreg,desc->volfunc(chip->left)); |
1654 | chip_write(chip,desc->rightreg,desc->volfunc(chip->right)); | |
1655 | } | |
1656 | if (desc->flags & CHIP_HAS_BASSTREBLE) { | |
1657 | chip->bass = va->bass; | |
1658 | chip->treble = va->treble; | |
1659 | chip_write(chip,desc->bassreg,desc->bassfunc(chip->bass)); | |
1660 | chip_write(chip,desc->treblereg,desc->treblefunc(chip->treble)); | |
1661 | } | |
1662 | if (desc->setmode && va->mode) { | |
1663 | chip->watch_stereo = 0; | |
1664 | /* del_timer(&chip->wt); */ | |
1665 | chip->mode = va->mode; | |
1666 | desc->setmode(chip,va->mode); | |
1667 | } | |
1668 | break; | |
1669 | } | |
8a854284 | 1670 | |
8bf2f8e7 HV |
1671 | case VIDIOC_S_CTRL: |
1672 | return tvaudio_set_ctrl(chip, arg); | |
1673 | ||
2474ed44 HV |
1674 | case VIDIOC_INT_G_AUDIO_ROUTING: |
1675 | { | |
1676 | struct v4l2_routing *rt = arg; | |
1677 | ||
1678 | rt->input = chip->input; | |
1679 | rt->output = 0; | |
1680 | break; | |
1681 | } | |
1682 | ||
1683 | case VIDIOC_INT_S_AUDIO_ROUTING: | |
1684 | { | |
1685 | struct v4l2_routing *rt = arg; | |
1686 | ||
1687 | if (!(desc->flags & CHIP_HAS_INPUTSEL) || rt->input >= 4) | |
1688 | return -EINVAL; | |
1689 | /* There are four inputs: tuner, radio, extern and intern. */ | |
1690 | chip->input = rt->input; | |
1691 | if (chip->muted) | |
1692 | break; | |
1693 | chip_write_masked(chip, desc->inputreg, | |
1694 | desc->inputmap[chip->input], desc->inputmask); | |
1695 | break; | |
1696 | } | |
1697 | ||
8a854284 | 1698 | case VIDIOC_S_TUNER: |
1da177e4 | 1699 | { |
8a854284 HV |
1700 | struct v4l2_tuner *vt = arg; |
1701 | int mode = 0; | |
1da177e4 | 1702 | |
8a4b275f HV |
1703 | if (chip->radio) |
1704 | break; | |
8a854284 HV |
1705 | switch (vt->audmode) { |
1706 | case V4L2_TUNER_MODE_MONO: | |
1707 | mode = VIDEO_SOUND_MONO; | |
1708 | break; | |
1709 | case V4L2_TUNER_MODE_STEREO: | |
301e22d6 | 1710 | case V4L2_TUNER_MODE_LANG1_LANG2: |
8a854284 HV |
1711 | mode = VIDEO_SOUND_STEREO; |
1712 | break; | |
1713 | case V4L2_TUNER_MODE_LANG1: | |
1714 | mode = VIDEO_SOUND_LANG1; | |
1715 | break; | |
1716 | case V4L2_TUNER_MODE_LANG2: | |
1717 | mode = VIDEO_SOUND_LANG2; | |
1718 | break; | |
1719 | default: | |
8a4b275f | 1720 | return -EINVAL; |
8a854284 | 1721 | } |
8a4b275f | 1722 | chip->audmode = vt->audmode; |
8a854284 HV |
1723 | |
1724 | if (desc->setmode && mode) { | |
1725 | chip->watch_stereo = 0; | |
1726 | /* del_timer(&chip->wt); */ | |
1727 | chip->mode = mode; | |
1728 | desc->setmode(chip, mode); | |
1729 | } | |
1da177e4 LT |
1730 | break; |
1731 | } | |
8a854284 HV |
1732 | |
1733 | case VIDIOC_G_TUNER: | |
1da177e4 | 1734 | { |
8a854284 HV |
1735 | struct v4l2_tuner *vt = arg; |
1736 | int mode = VIDEO_SOUND_MONO; | |
1737 | ||
d3900bc4 HV |
1738 | if (chip->radio) |
1739 | break; | |
8a4b275f | 1740 | vt->audmode = chip->audmode; |
8a854284 HV |
1741 | vt->rxsubchans = 0; |
1742 | vt->capability = V4L2_TUNER_CAP_STEREO | | |
1743 | V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2; | |
8a854284 HV |
1744 | |
1745 | if (desc->getmode) | |
1746 | mode = desc->getmode(chip); | |
1747 | ||
1748 | if (mode & VIDEO_SOUND_MONO) | |
1749 | vt->rxsubchans |= V4L2_TUNER_SUB_MONO; | |
1750 | if (mode & VIDEO_SOUND_STEREO) | |
1751 | vt->rxsubchans |= V4L2_TUNER_SUB_STEREO; | |
8a4b275f HV |
1752 | /* Note: for SAP it should be mono/lang2 or stereo/lang2. |
1753 | When this module is converted fully to v4l2, then this | |
1754 | should change for those chips that can detect SAP. */ | |
8a854284 | 1755 | if (mode & VIDEO_SOUND_LANG1) |
8a4b275f HV |
1756 | vt->rxsubchans = V4L2_TUNER_SUB_LANG1 | |
1757 | V4L2_TUNER_SUB_LANG2; | |
8a854284 HV |
1758 | break; |
1759 | } | |
1760 | ||
1761 | case VIDIOCSCHAN: | |
1762 | case VIDIOC_S_STD: | |
1763 | chip->radio = 0; | |
1764 | break; | |
1765 | ||
1766 | case VIDIOCSFREQ: | |
1767 | case VIDIOC_S_FREQUENCY: | |
18fc59e2 | 1768 | chip->mode = 0; /* automatic */ |
1da177e4 LT |
1769 | if (desc->checkmode) { |
1770 | desc->setmode(chip,VIDEO_SOUND_MONO); | |
18fc59e2 MCC |
1771 | if (chip->prevmode != VIDEO_SOUND_MONO) |
1772 | chip->prevmode = -1; /* reset previous mode */ | |
1da177e4 LT |
1773 | mod_timer(&chip->wt, jiffies+2*HZ); |
1774 | /* the thread will call checkmode() later */ | |
1775 | } | |
8a854284 | 1776 | break; |
1da177e4 LT |
1777 | } |
1778 | return 0; | |
1779 | } | |
1780 | ||
1da177e4 | 1781 | static struct i2c_driver driver = { |
604f28e2 | 1782 | .driver = { |
cab462f7 | 1783 | .name = "tvaudio", |
604f28e2 | 1784 | }, |
18fc59e2 | 1785 | .id = I2C_DRIVERID_TVAUDIO, |
18fc59e2 MCC |
1786 | .attach_adapter = chip_probe, |
1787 | .detach_client = chip_detach, | |
1788 | .command = chip_command, | |
1da177e4 LT |
1789 | }; |
1790 | ||
1791 | static struct i2c_client client_template = | |
1792 | { | |
fae91e72 | 1793 | .name = "(unset)", |
18fc59e2 | 1794 | .driver = &driver, |
1da177e4 LT |
1795 | }; |
1796 | ||
1797 | static int __init audiochip_init_module(void) | |
1798 | { | |
1799 | struct CHIPDESC *desc; | |
18fc59e2 MCC |
1800 | |
1801 | if (debug) { | |
1802 | printk(KERN_INFO "tvaudio: TV audio decoder + audio/video mux driver\n"); | |
1803 | printk(KERN_INFO "tvaudio: known chips: "); | |
1804 | for (desc = chiplist; desc->name != NULL; desc++) | |
1805 | printk("%s%s", (desc == chiplist) ? "" : ", ", desc->name); | |
1806 | printk("\n"); | |
1807 | } | |
1da177e4 LT |
1808 | |
1809 | return i2c_add_driver(&driver); | |
1810 | } | |
1811 | ||
1812 | static void __exit audiochip_cleanup_module(void) | |
1813 | { | |
1814 | i2c_del_driver(&driver); | |
1815 | } | |
1816 | ||
1817 | module_init(audiochip_init_module); | |
1818 | module_exit(audiochip_cleanup_module); | |
1819 | ||
1820 | /* | |
1821 | * Local variables: | |
1822 | * c-basic-offset: 8 | |
1823 | * End: | |
1824 | */ |