diff options
author | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
---|---|---|
committer | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
commit | fcc9d2e5a6c89d22b8b773a64fb4ad21ac318446 (patch) | |
tree | a57612d1888735a2ec7972891b68c1ac5ec8faea /drivers/media/video/tvaudio.c | |
parent | 8dea78da5cee153b8af9c07a2745f6c55057fe12 (diff) |
Diffstat (limited to 'drivers/media/video/tvaudio.c')
-rw-r--r-- | drivers/media/video/tvaudio.c | 2089 |
1 files changed, 2089 insertions, 0 deletions
diff --git a/drivers/media/video/tvaudio.c b/drivers/media/video/tvaudio.c new file mode 100644 index 00000000000..c46a3bb9585 --- /dev/null +++ b/drivers/media/video/tvaudio.c | |||
@@ -0,0 +1,2089 @@ | |||
1 | /* | ||
2 | * 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 | * Copyright(c) 2005-2008 Mauro Carvalho Chehab | ||
11 | * - Some cleanups, code fixes, etc | ||
12 | * - Convert it to V4L2 API | ||
13 | * | ||
14 | * This code is placed under the terms of the GNU General Public License | ||
15 | * | ||
16 | * OPTIONS: | ||
17 | * debug - set to 1 if you'd like to see debug messages | ||
18 | * | ||
19 | */ | ||
20 | |||
21 | #include <linux/module.h> | ||
22 | #include <linux/kernel.h> | ||
23 | #include <linux/sched.h> | ||
24 | #include <linux/string.h> | ||
25 | #include <linux/timer.h> | ||
26 | #include <linux/delay.h> | ||
27 | #include <linux/errno.h> | ||
28 | #include <linux/slab.h> | ||
29 | #include <linux/videodev2.h> | ||
30 | #include <linux/i2c.h> | ||
31 | #include <linux/init.h> | ||
32 | #include <linux/kthread.h> | ||
33 | #include <linux/freezer.h> | ||
34 | |||
35 | #include <media/tvaudio.h> | ||
36 | #include <media/v4l2-device.h> | ||
37 | #include <media/v4l2-chip-ident.h> | ||
38 | |||
39 | #include <media/i2c-addr.h> | ||
40 | |||
41 | /* ---------------------------------------------------------------------- */ | ||
42 | /* insmod args */ | ||
43 | |||
44 | static int debug; /* insmod parameter */ | ||
45 | module_param(debug, int, 0644); | ||
46 | |||
47 | MODULE_DESCRIPTION("device driver for various i2c TV sound decoder / audiomux chips"); | ||
48 | MODULE_AUTHOR("Eric Sandeen, Steve VanDeBogart, Greg Alexander, Gerd Knorr"); | ||
49 | MODULE_LICENSE("GPL"); | ||
50 | |||
51 | #define UNSET (-1U) | ||
52 | |||
53 | /* ---------------------------------------------------------------------- */ | ||
54 | /* our structs */ | ||
55 | |||
56 | #define MAXREGS 256 | ||
57 | |||
58 | struct CHIPSTATE; | ||
59 | typedef int (*getvalue)(int); | ||
60 | typedef int (*checkit)(struct CHIPSTATE*); | ||
61 | typedef int (*initialize)(struct CHIPSTATE*); | ||
62 | typedef int (*getmode)(struct CHIPSTATE*); | ||
63 | typedef void (*setmode)(struct CHIPSTATE*, int mode); | ||
64 | |||
65 | /* i2c command */ | ||
66 | typedef struct AUDIOCMD { | ||
67 | int count; /* # of bytes to send */ | ||
68 | unsigned char bytes[MAXREGS+1]; /* addr, data, data, ... */ | ||
69 | } audiocmd; | ||
70 | |||
71 | /* chip description */ | ||
72 | struct CHIPDESC { | ||
73 | char *name; /* chip name */ | ||
74 | int addr_lo, addr_hi; /* i2c address range */ | ||
75 | int registers; /* # of registers */ | ||
76 | |||
77 | int *insmodopt; | ||
78 | checkit checkit; | ||
79 | initialize initialize; | ||
80 | int flags; | ||
81 | #define CHIP_HAS_VOLUME 1 | ||
82 | #define CHIP_HAS_BASSTREBLE 2 | ||
83 | #define CHIP_HAS_INPUTSEL 4 | ||
84 | #define CHIP_NEED_CHECKMODE 8 | ||
85 | |||
86 | /* various i2c command sequences */ | ||
87 | audiocmd init; | ||
88 | |||
89 | /* which register has which value */ | ||
90 | int leftreg,rightreg,treblereg,bassreg; | ||
91 | |||
92 | /* initialize with (defaults to 65535/65535/32768/32768 */ | ||
93 | int leftinit,rightinit,trebleinit,bassinit; | ||
94 | |||
95 | /* functions to convert the values (v4l -> chip) */ | ||
96 | getvalue volfunc,treblefunc,bassfunc; | ||
97 | |||
98 | /* get/set mode */ | ||
99 | getmode getmode; | ||
100 | setmode setmode; | ||
101 | |||
102 | /* input switch register + values for v4l inputs */ | ||
103 | int inputreg; | ||
104 | int inputmap[4]; | ||
105 | int inputmute; | ||
106 | int inputmask; | ||
107 | }; | ||
108 | |||
109 | /* current state of the chip */ | ||
110 | struct CHIPSTATE { | ||
111 | struct v4l2_subdev sd; | ||
112 | |||
113 | /* chip-specific description - should point to | ||
114 | an entry at CHIPDESC table */ | ||
115 | struct CHIPDESC *desc; | ||
116 | |||
117 | /* shadow register set */ | ||
118 | audiocmd shadow; | ||
119 | |||
120 | /* current settings */ | ||
121 | __u16 left,right,treble,bass,muted,mode; | ||
122 | int prevmode; | ||
123 | int radio; | ||
124 | int input; | ||
125 | |||
126 | /* thread */ | ||
127 | struct task_struct *thread; | ||
128 | struct timer_list wt; | ||
129 | int watch_stereo; | ||
130 | int audmode; | ||
131 | }; | ||
132 | |||
133 | static inline struct CHIPSTATE *to_state(struct v4l2_subdev *sd) | ||
134 | { | ||
135 | return container_of(sd, struct CHIPSTATE, sd); | ||
136 | } | ||
137 | |||
138 | |||
139 | /* ---------------------------------------------------------------------- */ | ||
140 | /* i2c I/O functions */ | ||
141 | |||
142 | static int chip_write(struct CHIPSTATE *chip, int subaddr, int val) | ||
143 | { | ||
144 | struct v4l2_subdev *sd = &chip->sd; | ||
145 | struct i2c_client *c = v4l2_get_subdevdata(sd); | ||
146 | unsigned char buffer[2]; | ||
147 | |||
148 | if (subaddr < 0) { | ||
149 | v4l2_dbg(1, debug, sd, "chip_write: 0x%x\n", val); | ||
150 | chip->shadow.bytes[1] = val; | ||
151 | buffer[0] = val; | ||
152 | if (1 != i2c_master_send(c, buffer, 1)) { | ||
153 | v4l2_warn(sd, "I/O error (write 0x%x)\n", val); | ||
154 | return -1; | ||
155 | } | ||
156 | } else { | ||
157 | if (subaddr + 1 >= ARRAY_SIZE(chip->shadow.bytes)) { | ||
158 | v4l2_info(sd, | ||
159 | "Tried to access a non-existent register: %d\n", | ||
160 | subaddr); | ||
161 | return -EINVAL; | ||
162 | } | ||
163 | |||
164 | v4l2_dbg(1, debug, sd, "chip_write: reg%d=0x%x\n", | ||
165 | subaddr, val); | ||
166 | chip->shadow.bytes[subaddr+1] = val; | ||
167 | buffer[0] = subaddr; | ||
168 | buffer[1] = val; | ||
169 | if (2 != i2c_master_send(c, buffer, 2)) { | ||
170 | v4l2_warn(sd, "I/O error (write reg%d=0x%x)\n", | ||
171 | subaddr, val); | ||
172 | return -1; | ||
173 | } | ||
174 | } | ||
175 | return 0; | ||
176 | } | ||
177 | |||
178 | static int chip_write_masked(struct CHIPSTATE *chip, | ||
179 | int subaddr, int val, int mask) | ||
180 | { | ||
181 | struct v4l2_subdev *sd = &chip->sd; | ||
182 | |||
183 | if (mask != 0) { | ||
184 | if (subaddr < 0) { | ||
185 | val = (chip->shadow.bytes[1] & ~mask) | (val & mask); | ||
186 | } else { | ||
187 | if (subaddr + 1 >= ARRAY_SIZE(chip->shadow.bytes)) { | ||
188 | v4l2_info(sd, | ||
189 | "Tried to access a non-existent register: %d\n", | ||
190 | subaddr); | ||
191 | return -EINVAL; | ||
192 | } | ||
193 | |||
194 | val = (chip->shadow.bytes[subaddr+1] & ~mask) | (val & mask); | ||
195 | } | ||
196 | } | ||
197 | return chip_write(chip, subaddr, val); | ||
198 | } | ||
199 | |||
200 | static int chip_read(struct CHIPSTATE *chip) | ||
201 | { | ||
202 | struct v4l2_subdev *sd = &chip->sd; | ||
203 | struct i2c_client *c = v4l2_get_subdevdata(sd); | ||
204 | unsigned char buffer; | ||
205 | |||
206 | if (1 != i2c_master_recv(c, &buffer, 1)) { | ||
207 | v4l2_warn(sd, "I/O error (read)\n"); | ||
208 | return -1; | ||
209 | } | ||
210 | v4l2_dbg(1, debug, sd, "chip_read: 0x%x\n", buffer); | ||
211 | return buffer; | ||
212 | } | ||
213 | |||
214 | static int chip_read2(struct CHIPSTATE *chip, int subaddr) | ||
215 | { | ||
216 | struct v4l2_subdev *sd = &chip->sd; | ||
217 | struct i2c_client *c = v4l2_get_subdevdata(sd); | ||
218 | unsigned char write[1]; | ||
219 | unsigned char read[1]; | ||
220 | struct i2c_msg msgs[2] = { | ||
221 | { c->addr, 0, 1, write }, | ||
222 | { c->addr, I2C_M_RD, 1, read } | ||
223 | }; | ||
224 | |||
225 | write[0] = subaddr; | ||
226 | |||
227 | if (2 != i2c_transfer(c->adapter, msgs, 2)) { | ||
228 | v4l2_warn(sd, "I/O error (read2)\n"); | ||
229 | return -1; | ||
230 | } | ||
231 | v4l2_dbg(1, debug, sd, "chip_read2: reg%d=0x%x\n", | ||
232 | subaddr, read[0]); | ||
233 | return read[0]; | ||
234 | } | ||
235 | |||
236 | static int chip_cmd(struct CHIPSTATE *chip, char *name, audiocmd *cmd) | ||
237 | { | ||
238 | struct v4l2_subdev *sd = &chip->sd; | ||
239 | struct i2c_client *c = v4l2_get_subdevdata(sd); | ||
240 | int i; | ||
241 | |||
242 | if (0 == cmd->count) | ||
243 | return 0; | ||
244 | |||
245 | if (cmd->count + cmd->bytes[0] - 1 >= ARRAY_SIZE(chip->shadow.bytes)) { | ||
246 | v4l2_info(sd, | ||
247 | "Tried to access a non-existent register range: %d to %d\n", | ||
248 | cmd->bytes[0] + 1, cmd->bytes[0] + cmd->count - 1); | ||
249 | return -EINVAL; | ||
250 | } | ||
251 | |||
252 | /* FIXME: it seems that the shadow bytes are wrong bellow !*/ | ||
253 | |||
254 | /* update our shadow register set; print bytes if (debug > 0) */ | ||
255 | v4l2_dbg(1, debug, sd, "chip_cmd(%s): reg=%d, data:", | ||
256 | name, cmd->bytes[0]); | ||
257 | for (i = 1; i < cmd->count; i++) { | ||
258 | if (debug) | ||
259 | printk(KERN_CONT " 0x%x", cmd->bytes[i]); | ||
260 | chip->shadow.bytes[i+cmd->bytes[0]] = cmd->bytes[i]; | ||
261 | } | ||
262 | if (debug) | ||
263 | printk(KERN_CONT "\n"); | ||
264 | |||
265 | /* send data to the chip */ | ||
266 | if (cmd->count != i2c_master_send(c, cmd->bytes, cmd->count)) { | ||
267 | v4l2_warn(sd, "I/O error (%s)\n", name); | ||
268 | return -1; | ||
269 | } | ||
270 | return 0; | ||
271 | } | ||
272 | |||
273 | /* ---------------------------------------------------------------------- */ | ||
274 | /* kernel thread for doing i2c stuff asyncronly | ||
275 | * right now it is used only to check the audio mode (mono/stereo/whatever) | ||
276 | * some time after switching to another TV channel, then turn on stereo | ||
277 | * if available, ... | ||
278 | */ | ||
279 | |||
280 | static void chip_thread_wake(unsigned long data) | ||
281 | { | ||
282 | struct CHIPSTATE *chip = (struct CHIPSTATE*)data; | ||
283 | wake_up_process(chip->thread); | ||
284 | } | ||
285 | |||
286 | static int chip_thread(void *data) | ||
287 | { | ||
288 | struct CHIPSTATE *chip = data; | ||
289 | struct CHIPDESC *desc = chip->desc; | ||
290 | struct v4l2_subdev *sd = &chip->sd; | ||
291 | int mode; | ||
292 | |||
293 | v4l2_dbg(1, debug, sd, "thread started\n"); | ||
294 | set_freezable(); | ||
295 | for (;;) { | ||
296 | set_current_state(TASK_INTERRUPTIBLE); | ||
297 | if (!kthread_should_stop()) | ||
298 | schedule(); | ||
299 | set_current_state(TASK_RUNNING); | ||
300 | try_to_freeze(); | ||
301 | if (kthread_should_stop()) | ||
302 | break; | ||
303 | v4l2_dbg(1, debug, sd, "thread wakeup\n"); | ||
304 | |||
305 | /* don't do anything for radio or if mode != auto */ | ||
306 | if (chip->radio || chip->mode != 0) | ||
307 | continue; | ||
308 | |||
309 | /* have a look what's going on */ | ||
310 | mode = desc->getmode(chip); | ||
311 | if (mode == chip->prevmode) | ||
312 | continue; | ||
313 | |||
314 | /* chip detected a new audio mode - set it */ | ||
315 | v4l2_dbg(1, debug, sd, "thread checkmode\n"); | ||
316 | |||
317 | chip->prevmode = mode; | ||
318 | |||
319 | if (mode & V4L2_TUNER_MODE_STEREO) | ||
320 | desc->setmode(chip, V4L2_TUNER_MODE_STEREO); | ||
321 | if (mode & V4L2_TUNER_MODE_LANG1_LANG2) | ||
322 | desc->setmode(chip, V4L2_TUNER_MODE_STEREO); | ||
323 | else if (mode & V4L2_TUNER_MODE_LANG1) | ||
324 | desc->setmode(chip, V4L2_TUNER_MODE_LANG1); | ||
325 | else if (mode & V4L2_TUNER_MODE_LANG2) | ||
326 | desc->setmode(chip, V4L2_TUNER_MODE_LANG2); | ||
327 | else | ||
328 | desc->setmode(chip, V4L2_TUNER_MODE_MONO); | ||
329 | |||
330 | /* schedule next check */ | ||
331 | mod_timer(&chip->wt, jiffies+msecs_to_jiffies(2000)); | ||
332 | } | ||
333 | |||
334 | v4l2_dbg(1, debug, sd, "thread exiting\n"); | ||
335 | return 0; | ||
336 | } | ||
337 | |||
338 | /* ---------------------------------------------------------------------- */ | ||
339 | /* audio chip descriptions - defines+functions for tda9840 */ | ||
340 | |||
341 | #define TDA9840_SW 0x00 | ||
342 | #define TDA9840_LVADJ 0x02 | ||
343 | #define TDA9840_STADJ 0x03 | ||
344 | #define TDA9840_TEST 0x04 | ||
345 | |||
346 | #define TDA9840_MONO 0x10 | ||
347 | #define TDA9840_STEREO 0x2a | ||
348 | #define TDA9840_DUALA 0x12 | ||
349 | #define TDA9840_DUALB 0x1e | ||
350 | #define TDA9840_DUALAB 0x1a | ||
351 | #define TDA9840_DUALBA 0x16 | ||
352 | #define TDA9840_EXTERNAL 0x7a | ||
353 | |||
354 | #define TDA9840_DS_DUAL 0x20 /* Dual sound identified */ | ||
355 | #define TDA9840_ST_STEREO 0x40 /* Stereo sound identified */ | ||
356 | #define TDA9840_PONRES 0x80 /* Power-on reset detected if = 1 */ | ||
357 | |||
358 | #define TDA9840_TEST_INT1SN 0x1 /* Integration time 0.5s when set */ | ||
359 | #define TDA9840_TEST_INTFU 0x02 /* Disables integrator function */ | ||
360 | |||
361 | static int tda9840_getmode(struct CHIPSTATE *chip) | ||
362 | { | ||
363 | struct v4l2_subdev *sd = &chip->sd; | ||
364 | int val, mode; | ||
365 | |||
366 | val = chip_read(chip); | ||
367 | mode = V4L2_TUNER_MODE_MONO; | ||
368 | if (val & TDA9840_DS_DUAL) | ||
369 | mode |= V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2; | ||
370 | if (val & TDA9840_ST_STEREO) | ||
371 | mode |= V4L2_TUNER_MODE_STEREO; | ||
372 | |||
373 | v4l2_dbg(1, debug, sd, "tda9840_getmode(): raw chip read: %d, return: %d\n", | ||
374 | val, mode); | ||
375 | return mode; | ||
376 | } | ||
377 | |||
378 | static void tda9840_setmode(struct CHIPSTATE *chip, int mode) | ||
379 | { | ||
380 | int update = 1; | ||
381 | int t = chip->shadow.bytes[TDA9840_SW + 1] & ~0x7e; | ||
382 | |||
383 | switch (mode) { | ||
384 | case V4L2_TUNER_MODE_MONO: | ||
385 | t |= TDA9840_MONO; | ||
386 | break; | ||
387 | case V4L2_TUNER_MODE_STEREO: | ||
388 | t |= TDA9840_STEREO; | ||
389 | break; | ||
390 | case V4L2_TUNER_MODE_LANG1: | ||
391 | t |= TDA9840_DUALA; | ||
392 | break; | ||
393 | case V4L2_TUNER_MODE_LANG2: | ||
394 | t |= TDA9840_DUALB; | ||
395 | break; | ||
396 | default: | ||
397 | update = 0; | ||
398 | } | ||
399 | |||
400 | if (update) | ||
401 | chip_write(chip, TDA9840_SW, t); | ||
402 | } | ||
403 | |||
404 | static int tda9840_checkit(struct CHIPSTATE *chip) | ||
405 | { | ||
406 | int rc; | ||
407 | rc = chip_read(chip); | ||
408 | /* lower 5 bits should be 0 */ | ||
409 | return ((rc & 0x1f) == 0) ? 1 : 0; | ||
410 | } | ||
411 | |||
412 | /* ---------------------------------------------------------------------- */ | ||
413 | /* audio chip descriptions - defines+functions for tda985x */ | ||
414 | |||
415 | /* subaddresses for TDA9855 */ | ||
416 | #define TDA9855_VR 0x00 /* Volume, right */ | ||
417 | #define TDA9855_VL 0x01 /* Volume, left */ | ||
418 | #define TDA9855_BA 0x02 /* Bass */ | ||
419 | #define TDA9855_TR 0x03 /* Treble */ | ||
420 | #define TDA9855_SW 0x04 /* Subwoofer - not connected on DTV2000 */ | ||
421 | |||
422 | /* subaddresses for TDA9850 */ | ||
423 | #define TDA9850_C4 0x04 /* Control 1 for TDA9850 */ | ||
424 | |||
425 | /* subaddesses for both chips */ | ||
426 | #define TDA985x_C5 0x05 /* Control 2 for TDA9850, Control 1 for TDA9855 */ | ||
427 | #define TDA985x_C6 0x06 /* Control 3 for TDA9850, Control 2 for TDA9855 */ | ||
428 | #define TDA985x_C7 0x07 /* Control 4 for TDA9850, Control 3 for TDA9855 */ | ||
429 | #define TDA985x_A1 0x08 /* Alignment 1 for both chips */ | ||
430 | #define TDA985x_A2 0x09 /* Alignment 2 for both chips */ | ||
431 | #define TDA985x_A3 0x0a /* Alignment 3 for both chips */ | ||
432 | |||
433 | /* Masks for bits in TDA9855 subaddresses */ | ||
434 | /* 0x00 - VR in TDA9855 */ | ||
435 | /* 0x01 - VL in TDA9855 */ | ||
436 | /* lower 7 bits control gain from -71dB (0x28) to 16dB (0x7f) | ||
437 | * in 1dB steps - mute is 0x27 */ | ||
438 | |||
439 | |||
440 | /* 0x02 - BA in TDA9855 */ | ||
441 | /* lower 5 bits control bass gain from -12dB (0x06) to 16.5dB (0x19) | ||
442 | * in .5dB steps - 0 is 0x0E */ | ||
443 | |||
444 | |||
445 | /* 0x03 - TR in TDA9855 */ | ||
446 | /* 4 bits << 1 control treble gain from -12dB (0x3) to 12dB (0xb) | ||
447 | * in 3dB steps - 0 is 0x7 */ | ||
448 | |||
449 | /* Masks for bits in both chips' subaddresses */ | ||
450 | /* 0x04 - SW in TDA9855, C4/Control 1 in TDA9850 */ | ||
451 | /* Unique to TDA9855: */ | ||
452 | /* 4 bits << 2 control subwoofer/surround gain from -14db (0x1) to 14db (0xf) | ||
453 | * in 3dB steps - mute is 0x0 */ | ||
454 | |||
455 | /* Unique to TDA9850: */ | ||
456 | /* lower 4 bits control stereo noise threshold, over which stereo turns off | ||
457 | * set to values of 0x00 through 0x0f for Ster1 through Ster16 */ | ||
458 | |||
459 | |||
460 | /* 0x05 - C5 - Control 1 in TDA9855 , Control 2 in TDA9850*/ | ||
461 | /* Unique to TDA9855: */ | ||
462 | #define TDA9855_MUTE 1<<7 /* GMU, Mute at outputs */ | ||
463 | #define TDA9855_AVL 1<<6 /* AVL, Automatic Volume Level */ | ||
464 | #define TDA9855_LOUD 1<<5 /* Loudness, 1==off */ | ||
465 | #define TDA9855_SUR 1<<3 /* Surround / Subwoofer 1==.5(L-R) 0==.5(L+R) */ | ||
466 | /* Bits 0 to 3 select various combinations | ||
467 | * of line in and line out, only the | ||
468 | * interesting ones are defined */ | ||
469 | #define TDA9855_EXT 1<<2 /* Selects inputs LIR and LIL. Pins 41 & 12 */ | ||
470 | #define TDA9855_INT 0 /* Selects inputs LOR and LOL. (internal) */ | ||
471 | |||
472 | /* Unique to TDA9850: */ | ||
473 | /* lower 4 bits contol SAP noise threshold, over which SAP turns off | ||
474 | * set to values of 0x00 through 0x0f for SAP1 through SAP16 */ | ||
475 | |||
476 | |||
477 | /* 0x06 - C6 - Control 2 in TDA9855, Control 3 in TDA9850 */ | ||
478 | /* Common to TDA9855 and TDA9850: */ | ||
479 | #define TDA985x_SAP 3<<6 /* Selects SAP output, mute if not received */ | ||
480 | #define TDA985x_STEREO 1<<6 /* Selects Stereo ouput, mono if not received */ | ||
481 | #define TDA985x_MONO 0 /* Forces Mono output */ | ||
482 | #define TDA985x_LMU 1<<3 /* Mute (LOR/LOL for 9855, OUTL/OUTR for 9850) */ | ||
483 | |||
484 | /* Unique to TDA9855: */ | ||
485 | #define TDA9855_TZCM 1<<5 /* If set, don't mute till zero crossing */ | ||
486 | #define TDA9855_VZCM 1<<4 /* If set, don't change volume till zero crossing*/ | ||
487 | #define TDA9855_LINEAR 0 /* Linear Stereo */ | ||
488 | #define TDA9855_PSEUDO 1 /* Pseudo Stereo */ | ||
489 | #define TDA9855_SPAT_30 2 /* Spatial Stereo, 30% anti-phase crosstalk */ | ||
490 | #define TDA9855_SPAT_50 3 /* Spatial Stereo, 52% anti-phase crosstalk */ | ||
491 | #define TDA9855_E_MONO 7 /* Forced mono - mono select elseware, so useless*/ | ||
492 | |||
493 | /* 0x07 - C7 - Control 3 in TDA9855, Control 4 in TDA9850 */ | ||
494 | /* Common to both TDA9855 and TDA9850: */ | ||
495 | /* lower 4 bits control input gain from -3.5dB (0x0) to 4dB (0xF) | ||
496 | * in .5dB steps - 0dB is 0x7 */ | ||
497 | |||
498 | /* 0x08, 0x09 - A1 and A2 (read/write) */ | ||
499 | /* Common to both TDA9855 and TDA9850: */ | ||
500 | /* lower 5 bites are wideband and spectral expander alignment | ||
501 | * from 0x00 to 0x1f - nominal at 0x0f and 0x10 (read/write) */ | ||
502 | #define TDA985x_STP 1<<5 /* Stereo Pilot/detect (read-only) */ | ||
503 | #define TDA985x_SAPP 1<<6 /* SAP Pilot/detect (read-only) */ | ||
504 | #define TDA985x_STS 1<<7 /* Stereo trigger 1= <35mV 0= <30mV (write-only)*/ | ||
505 | |||
506 | /* 0x0a - A3 */ | ||
507 | /* Common to both TDA9855 and TDA9850: */ | ||
508 | /* lower 3 bits control timing current for alignment: -30% (0x0), -20% (0x1), | ||
509 | * -10% (0x2), nominal (0x3), +10% (0x6), +20% (0x5), +30% (0x4) */ | ||
510 | #define TDA985x_ADJ 1<<7 /* Stereo adjust on/off (wideband and spectral */ | ||
511 | |||
512 | static int tda9855_volume(int val) { return val/0x2e8+0x27; } | ||
513 | static int tda9855_bass(int val) { return val/0xccc+0x06; } | ||
514 | static int tda9855_treble(int val) { return (val/0x1c71+0x3)<<1; } | ||
515 | |||
516 | static int tda985x_getmode(struct CHIPSTATE *chip) | ||
517 | { | ||
518 | int mode; | ||
519 | |||
520 | mode = ((TDA985x_STP | TDA985x_SAPP) & | ||
521 | chip_read(chip)) >> 4; | ||
522 | /* Add mono mode regardless of SAP and stereo */ | ||
523 | /* Allows forced mono */ | ||
524 | return mode | V4L2_TUNER_MODE_MONO; | ||
525 | } | ||
526 | |||
527 | static void tda985x_setmode(struct CHIPSTATE *chip, int mode) | ||
528 | { | ||
529 | int update = 1; | ||
530 | int c6 = chip->shadow.bytes[TDA985x_C6+1] & 0x3f; | ||
531 | |||
532 | switch (mode) { | ||
533 | case V4L2_TUNER_MODE_MONO: | ||
534 | c6 |= TDA985x_MONO; | ||
535 | break; | ||
536 | case V4L2_TUNER_MODE_STEREO: | ||
537 | c6 |= TDA985x_STEREO; | ||
538 | break; | ||
539 | case V4L2_TUNER_MODE_LANG1: | ||
540 | c6 |= TDA985x_SAP; | ||
541 | break; | ||
542 | default: | ||
543 | update = 0; | ||
544 | } | ||
545 | if (update) | ||
546 | chip_write(chip,TDA985x_C6,c6); | ||
547 | } | ||
548 | |||
549 | |||
550 | /* ---------------------------------------------------------------------- */ | ||
551 | /* audio chip descriptions - defines+functions for tda9873h */ | ||
552 | |||
553 | /* Subaddresses for TDA9873H */ | ||
554 | |||
555 | #define TDA9873_SW 0x00 /* Switching */ | ||
556 | #define TDA9873_AD 0x01 /* Adjust */ | ||
557 | #define TDA9873_PT 0x02 /* Port */ | ||
558 | |||
559 | /* Subaddress 0x00: Switching Data | ||
560 | * B7..B0: | ||
561 | * | ||
562 | * B1, B0: Input source selection | ||
563 | * 0, 0 internal | ||
564 | * 1, 0 external stereo | ||
565 | * 0, 1 external mono | ||
566 | */ | ||
567 | #define TDA9873_INP_MASK 3 | ||
568 | #define TDA9873_INTERNAL 0 | ||
569 | #define TDA9873_EXT_STEREO 2 | ||
570 | #define TDA9873_EXT_MONO 1 | ||
571 | |||
572 | /* B3, B2: output signal select | ||
573 | * B4 : transmission mode | ||
574 | * 0, 0, 1 Mono | ||
575 | * 1, 0, 0 Stereo | ||
576 | * 1, 1, 1 Stereo (reversed channel) | ||
577 | * 0, 0, 0 Dual AB | ||
578 | * 0, 0, 1 Dual AA | ||
579 | * 0, 1, 0 Dual BB | ||
580 | * 0, 1, 1 Dual BA | ||
581 | */ | ||
582 | |||
583 | #define TDA9873_TR_MASK (7 << 2) | ||
584 | #define TDA9873_TR_MONO 4 | ||
585 | #define TDA9873_TR_STEREO 1 << 4 | ||
586 | #define TDA9873_TR_REVERSE (1 << 3) & (1 << 2) | ||
587 | #define TDA9873_TR_DUALA 1 << 2 | ||
588 | #define TDA9873_TR_DUALB 1 << 3 | ||
589 | |||
590 | /* output level controls | ||
591 | * B5: output level switch (0 = reduced gain, 1 = normal gain) | ||
592 | * B6: mute (1 = muted) | ||
593 | * B7: auto-mute (1 = auto-mute enabled) | ||
594 | */ | ||
595 | |||
596 | #define TDA9873_GAIN_NORMAL 1 << 5 | ||
597 | #define TDA9873_MUTE 1 << 6 | ||
598 | #define TDA9873_AUTOMUTE 1 << 7 | ||
599 | |||
600 | /* Subaddress 0x01: Adjust/standard */ | ||
601 | |||
602 | /* Lower 4 bits (C3..C0) control stereo adjustment on R channel (-0.6 - +0.7 dB) | ||
603 | * Recommended value is +0 dB | ||
604 | */ | ||
605 | |||
606 | #define TDA9873_STEREO_ADJ 0x06 /* 0dB gain */ | ||
607 | |||
608 | /* Bits C6..C4 control FM stantard | ||
609 | * C6, C5, C4 | ||
610 | * 0, 0, 0 B/G (PAL FM) | ||
611 | * 0, 0, 1 M | ||
612 | * 0, 1, 0 D/K(1) | ||
613 | * 0, 1, 1 D/K(2) | ||
614 | * 1, 0, 0 D/K(3) | ||
615 | * 1, 0, 1 I | ||
616 | */ | ||
617 | #define TDA9873_BG 0 | ||
618 | #define TDA9873_M 1 | ||
619 | #define TDA9873_DK1 2 | ||
620 | #define TDA9873_DK2 3 | ||
621 | #define TDA9873_DK3 4 | ||
622 | #define TDA9873_I 5 | ||
623 | |||
624 | /* C7 controls identification response time (1=fast/0=normal) | ||
625 | */ | ||
626 | #define TDA9873_IDR_NORM 0 | ||
627 | #define TDA9873_IDR_FAST 1 << 7 | ||
628 | |||
629 | |||
630 | /* Subaddress 0x02: Port data */ | ||
631 | |||
632 | /* E1, E0 free programmable ports P1/P2 | ||
633 | 0, 0 both ports low | ||
634 | 0, 1 P1 high | ||
635 | 1, 0 P2 high | ||
636 | 1, 1 both ports high | ||
637 | */ | ||
638 | |||
639 | #define TDA9873_PORTS 3 | ||
640 | |||
641 | /* E2: test port */ | ||
642 | #define TDA9873_TST_PORT 1 << 2 | ||
643 | |||
644 | /* E5..E3 control mono output channel (together with transmission mode bit B4) | ||
645 | * | ||
646 | * E5 E4 E3 B4 OUTM | ||
647 | * 0 0 0 0 mono | ||
648 | * 0 0 1 0 DUAL B | ||
649 | * 0 1 0 1 mono (from stereo decoder) | ||
650 | */ | ||
651 | #define TDA9873_MOUT_MONO 0 | ||
652 | #define TDA9873_MOUT_FMONO 0 | ||
653 | #define TDA9873_MOUT_DUALA 0 | ||
654 | #define TDA9873_MOUT_DUALB 1 << 3 | ||
655 | #define TDA9873_MOUT_ST 1 << 4 | ||
656 | #define TDA9873_MOUT_EXTM (1 << 4 ) & (1 << 3) | ||
657 | #define TDA9873_MOUT_EXTL 1 << 5 | ||
658 | #define TDA9873_MOUT_EXTR (1 << 5 ) & (1 << 3) | ||
659 | #define TDA9873_MOUT_EXTLR (1 << 5 ) & (1 << 4) | ||
660 | #define TDA9873_MOUT_MUTE (1 << 5 ) & (1 << 4) & (1 << 3) | ||
661 | |||
662 | /* Status bits: (chip read) */ | ||
663 | #define TDA9873_PONR 0 /* Power-on reset detected if = 1 */ | ||
664 | #define TDA9873_STEREO 2 /* Stereo sound is identified */ | ||
665 | #define TDA9873_DUAL 4 /* Dual sound is identified */ | ||
666 | |||
667 | static int tda9873_getmode(struct CHIPSTATE *chip) | ||
668 | { | ||
669 | struct v4l2_subdev *sd = &chip->sd; | ||
670 | int val,mode; | ||
671 | |||
672 | val = chip_read(chip); | ||
673 | mode = V4L2_TUNER_MODE_MONO; | ||
674 | if (val & TDA9873_STEREO) | ||
675 | mode |= V4L2_TUNER_MODE_STEREO; | ||
676 | if (val & TDA9873_DUAL) | ||
677 | mode |= V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2; | ||
678 | v4l2_dbg(1, debug, sd, "tda9873_getmode(): raw chip read: %d, return: %d\n", | ||
679 | val, mode); | ||
680 | return mode; | ||
681 | } | ||
682 | |||
683 | static void tda9873_setmode(struct CHIPSTATE *chip, int mode) | ||
684 | { | ||
685 | struct v4l2_subdev *sd = &chip->sd; | ||
686 | int sw_data = chip->shadow.bytes[TDA9873_SW+1] & ~ TDA9873_TR_MASK; | ||
687 | /* int adj_data = chip->shadow.bytes[TDA9873_AD+1] ; */ | ||
688 | |||
689 | if ((sw_data & TDA9873_INP_MASK) != TDA9873_INTERNAL) { | ||
690 | v4l2_dbg(1, debug, sd, "tda9873_setmode(): external input\n"); | ||
691 | return; | ||
692 | } | ||
693 | |||
694 | v4l2_dbg(1, debug, sd, "tda9873_setmode(): chip->shadow.bytes[%d] = %d\n", TDA9873_SW+1, chip->shadow.bytes[TDA9873_SW+1]); | ||
695 | v4l2_dbg(1, debug, sd, "tda9873_setmode(): sw_data = %d\n", sw_data); | ||
696 | |||
697 | switch (mode) { | ||
698 | case V4L2_TUNER_MODE_MONO: | ||
699 | sw_data |= TDA9873_TR_MONO; | ||
700 | break; | ||
701 | case V4L2_TUNER_MODE_STEREO: | ||
702 | sw_data |= TDA9873_TR_STEREO; | ||
703 | break; | ||
704 | case V4L2_TUNER_MODE_LANG1: | ||
705 | sw_data |= TDA9873_TR_DUALA; | ||
706 | break; | ||
707 | case V4L2_TUNER_MODE_LANG2: | ||
708 | sw_data |= TDA9873_TR_DUALB; | ||
709 | break; | ||
710 | default: | ||
711 | chip->mode = 0; | ||
712 | return; | ||
713 | } | ||
714 | |||
715 | chip_write(chip, TDA9873_SW, sw_data); | ||
716 | v4l2_dbg(1, debug, sd, "tda9873_setmode(): req. mode %d; chip_write: %d\n", | ||
717 | mode, sw_data); | ||
718 | } | ||
719 | |||
720 | static int tda9873_checkit(struct CHIPSTATE *chip) | ||
721 | { | ||
722 | int rc; | ||
723 | |||
724 | if (-1 == (rc = chip_read2(chip,254))) | ||
725 | return 0; | ||
726 | return (rc & ~0x1f) == 0x80; | ||
727 | } | ||
728 | |||
729 | |||
730 | /* ---------------------------------------------------------------------- */ | ||
731 | /* audio chip description - defines+functions for tda9874h and tda9874a */ | ||
732 | /* Dariusz Kowalewski <darekk@automex.pl> */ | ||
733 | |||
734 | /* Subaddresses for TDA9874H and TDA9874A (slave rx) */ | ||
735 | #define TDA9874A_AGCGR 0x00 /* AGC gain */ | ||
736 | #define TDA9874A_GCONR 0x01 /* general config */ | ||
737 | #define TDA9874A_MSR 0x02 /* monitor select */ | ||
738 | #define TDA9874A_C1FRA 0x03 /* carrier 1 freq. */ | ||
739 | #define TDA9874A_C1FRB 0x04 /* carrier 1 freq. */ | ||
740 | #define TDA9874A_C1FRC 0x05 /* carrier 1 freq. */ | ||
741 | #define TDA9874A_C2FRA 0x06 /* carrier 2 freq. */ | ||
742 | #define TDA9874A_C2FRB 0x07 /* carrier 2 freq. */ | ||
743 | #define TDA9874A_C2FRC 0x08 /* carrier 2 freq. */ | ||
744 | #define TDA9874A_DCR 0x09 /* demodulator config */ | ||
745 | #define TDA9874A_FMER 0x0a /* FM de-emphasis */ | ||
746 | #define TDA9874A_FMMR 0x0b /* FM dematrix */ | ||
747 | #define TDA9874A_C1OLAR 0x0c /* ch.1 output level adj. */ | ||
748 | #define TDA9874A_C2OLAR 0x0d /* ch.2 output level adj. */ | ||
749 | #define TDA9874A_NCONR 0x0e /* NICAM config */ | ||
750 | #define TDA9874A_NOLAR 0x0f /* NICAM output level adj. */ | ||
751 | #define TDA9874A_NLELR 0x10 /* NICAM lower error limit */ | ||
752 | #define TDA9874A_NUELR 0x11 /* NICAM upper error limit */ | ||
753 | #define TDA9874A_AMCONR 0x12 /* audio mute control */ | ||
754 | #define TDA9874A_SDACOSR 0x13 /* stereo DAC output select */ | ||
755 | #define TDA9874A_AOSR 0x14 /* analog output select */ | ||
756 | #define TDA9874A_DAICONR 0x15 /* digital audio interface config */ | ||
757 | #define TDA9874A_I2SOSR 0x16 /* I2S-bus output select */ | ||
758 | #define TDA9874A_I2SOLAR 0x17 /* I2S-bus output level adj. */ | ||
759 | #define TDA9874A_MDACOSR 0x18 /* mono DAC output select (tda9874a) */ | ||
760 | #define TDA9874A_ESP 0xFF /* easy standard progr. (tda9874a) */ | ||
761 | |||
762 | /* Subaddresses for TDA9874H and TDA9874A (slave tx) */ | ||
763 | #define TDA9874A_DSR 0x00 /* device status */ | ||
764 | #define TDA9874A_NSR 0x01 /* NICAM status */ | ||
765 | #define TDA9874A_NECR 0x02 /* NICAM error count */ | ||
766 | #define TDA9874A_DR1 0x03 /* add. data LSB */ | ||
767 | #define TDA9874A_DR2 0x04 /* add. data MSB */ | ||
768 | #define TDA9874A_LLRA 0x05 /* monitor level read-out LSB */ | ||
769 | #define TDA9874A_LLRB 0x06 /* monitor level read-out MSB */ | ||
770 | #define TDA9874A_SIFLR 0x07 /* SIF level */ | ||
771 | #define TDA9874A_TR2 252 /* test reg. 2 */ | ||
772 | #define TDA9874A_TR1 253 /* test reg. 1 */ | ||
773 | #define TDA9874A_DIC 254 /* device id. code */ | ||
774 | #define TDA9874A_SIC 255 /* software id. code */ | ||
775 | |||
776 | |||
777 | static int tda9874a_mode = 1; /* 0: A2, 1: NICAM */ | ||
778 | static int tda9874a_GCONR = 0xc0; /* default config. input pin: SIFSEL=0 */ | ||
779 | static int tda9874a_NCONR = 0x01; /* default NICAM config.: AMSEL=0,AMUTE=1 */ | ||
780 | static int tda9874a_ESP = 0x07; /* default standard: NICAM D/K */ | ||
781 | static int tda9874a_dic = -1; /* device id. code */ | ||
782 | |||
783 | /* insmod options for tda9874a */ | ||
784 | static unsigned int tda9874a_SIF = UNSET; | ||
785 | static unsigned int tda9874a_AMSEL = UNSET; | ||
786 | static unsigned int tda9874a_STD = UNSET; | ||
787 | module_param(tda9874a_SIF, int, 0444); | ||
788 | module_param(tda9874a_AMSEL, int, 0444); | ||
789 | module_param(tda9874a_STD, int, 0444); | ||
790 | |||
791 | /* | ||
792 | * initialization table for tda9874 decoder: | ||
793 | * - carrier 1 freq. registers (3 bytes) | ||
794 | * - carrier 2 freq. registers (3 bytes) | ||
795 | * - demudulator config register | ||
796 | * - FM de-emphasis register (slow identification mode) | ||
797 | * Note: frequency registers must be written in single i2c transfer. | ||
798 | */ | ||
799 | static struct tda9874a_MODES { | ||
800 | char *name; | ||
801 | audiocmd cmd; | ||
802 | } tda9874a_modelist[9] = { | ||
803 | { "A2, B/G", /* default */ | ||
804 | { 9, { TDA9874A_C1FRA, 0x72,0x95,0x55, 0x77,0xA0,0x00, 0x00,0x00 }} }, | ||
805 | { "A2, M (Korea)", | ||
806 | { 9, { TDA9874A_C1FRA, 0x5D,0xC0,0x00, 0x62,0x6A,0xAA, 0x20,0x22 }} }, | ||
807 | { "A2, D/K (1)", | ||
808 | { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x82,0x60,0x00, 0x00,0x00 }} }, | ||
809 | { "A2, D/K (2)", | ||
810 | { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x8C,0x75,0x55, 0x00,0x00 }} }, | ||
811 | { "A2, D/K (3)", | ||
812 | { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x77,0xA0,0x00, 0x00,0x00 }} }, | ||
813 | { "NICAM, I", | ||
814 | { 9, { TDA9874A_C1FRA, 0x7D,0x00,0x00, 0x88,0x8A,0xAA, 0x08,0x33 }} }, | ||
815 | { "NICAM, B/G", | ||
816 | { 9, { TDA9874A_C1FRA, 0x72,0x95,0x55, 0x79,0xEA,0xAA, 0x08,0x33 }} }, | ||
817 | { "NICAM, D/K", | ||
818 | { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x79,0xEA,0xAA, 0x08,0x33 }} }, | ||
819 | { "NICAM, L", | ||
820 | { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x79,0xEA,0xAA, 0x09,0x33 }} } | ||
821 | }; | ||
822 | |||
823 | static int tda9874a_setup(struct CHIPSTATE *chip) | ||
824 | { | ||
825 | struct v4l2_subdev *sd = &chip->sd; | ||
826 | |||
827 | chip_write(chip, TDA9874A_AGCGR, 0x00); /* 0 dB */ | ||
828 | chip_write(chip, TDA9874A_GCONR, tda9874a_GCONR); | ||
829 | chip_write(chip, TDA9874A_MSR, (tda9874a_mode) ? 0x03:0x02); | ||
830 | if(tda9874a_dic == 0x11) { | ||
831 | chip_write(chip, TDA9874A_FMMR, 0x80); | ||
832 | } else { /* dic == 0x07 */ | ||
833 | chip_cmd(chip,"tda9874_modelist",&tda9874a_modelist[tda9874a_STD].cmd); | ||
834 | chip_write(chip, TDA9874A_FMMR, 0x00); | ||
835 | } | ||
836 | chip_write(chip, TDA9874A_C1OLAR, 0x00); /* 0 dB */ | ||
837 | chip_write(chip, TDA9874A_C2OLAR, 0x00); /* 0 dB */ | ||
838 | chip_write(chip, TDA9874A_NCONR, tda9874a_NCONR); | ||
839 | chip_write(chip, TDA9874A_NOLAR, 0x00); /* 0 dB */ | ||
840 | /* Note: If signal quality is poor you may want to change NICAM */ | ||
841 | /* error limit registers (NLELR and NUELR) to some greater values. */ | ||
842 | /* Then the sound would remain stereo, but won't be so clear. */ | ||
843 | chip_write(chip, TDA9874A_NLELR, 0x14); /* default */ | ||
844 | chip_write(chip, TDA9874A_NUELR, 0x50); /* default */ | ||
845 | |||
846 | if(tda9874a_dic == 0x11) { | ||
847 | chip_write(chip, TDA9874A_AMCONR, 0xf9); | ||
848 | chip_write(chip, TDA9874A_SDACOSR, (tda9874a_mode) ? 0x81:0x80); | ||
849 | chip_write(chip, TDA9874A_AOSR, 0x80); | ||
850 | chip_write(chip, TDA9874A_MDACOSR, (tda9874a_mode) ? 0x82:0x80); | ||
851 | chip_write(chip, TDA9874A_ESP, tda9874a_ESP); | ||
852 | } else { /* dic == 0x07 */ | ||
853 | chip_write(chip, TDA9874A_AMCONR, 0xfb); | ||
854 | chip_write(chip, TDA9874A_SDACOSR, (tda9874a_mode) ? 0x81:0x80); | ||
855 | chip_write(chip, TDA9874A_AOSR, 0x00); /* or 0x10 */ | ||
856 | } | ||
857 | v4l2_dbg(1, debug, sd, "tda9874a_setup(): %s [0x%02X].\n", | ||
858 | tda9874a_modelist[tda9874a_STD].name,tda9874a_STD); | ||
859 | return 1; | ||
860 | } | ||
861 | |||
862 | static int tda9874a_getmode(struct CHIPSTATE *chip) | ||
863 | { | ||
864 | struct v4l2_subdev *sd = &chip->sd; | ||
865 | int dsr,nsr,mode; | ||
866 | int necr; /* just for debugging */ | ||
867 | |||
868 | mode = V4L2_TUNER_MODE_MONO; | ||
869 | |||
870 | if(-1 == (dsr = chip_read2(chip,TDA9874A_DSR))) | ||
871 | return mode; | ||
872 | if(-1 == (nsr = chip_read2(chip,TDA9874A_NSR))) | ||
873 | return mode; | ||
874 | if(-1 == (necr = chip_read2(chip,TDA9874A_NECR))) | ||
875 | return mode; | ||
876 | |||
877 | /* need to store dsr/nsr somewhere */ | ||
878 | chip->shadow.bytes[MAXREGS-2] = dsr; | ||
879 | chip->shadow.bytes[MAXREGS-1] = nsr; | ||
880 | |||
881 | if(tda9874a_mode) { | ||
882 | /* Note: DSR.RSSF and DSR.AMSTAT bits are also checked. | ||
883 | * If NICAM auto-muting is enabled, DSR.AMSTAT=1 indicates | ||
884 | * that sound has (temporarily) switched from NICAM to | ||
885 | * mono FM (or AM) on 1st sound carrier due to high NICAM bit | ||
886 | * error count. So in fact there is no stereo in this case :-( | ||
887 | * But changing the mode to V4L2_TUNER_MODE_MONO would switch | ||
888 | * external 4052 multiplexer in audio_hook(). | ||
889 | */ | ||
890 | if(nsr & 0x02) /* NSR.S/MB=1 */ | ||
891 | mode |= V4L2_TUNER_MODE_STEREO; | ||
892 | if(nsr & 0x01) /* NSR.D/SB=1 */ | ||
893 | mode |= V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2; | ||
894 | } else { | ||
895 | if(dsr & 0x02) /* DSR.IDSTE=1 */ | ||
896 | mode |= V4L2_TUNER_MODE_STEREO; | ||
897 | if(dsr & 0x04) /* DSR.IDDUA=1 */ | ||
898 | mode |= V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2; | ||
899 | } | ||
900 | |||
901 | v4l2_dbg(1, debug, sd, "tda9874a_getmode(): DSR=0x%X, NSR=0x%X, NECR=0x%X, return: %d.\n", | ||
902 | dsr, nsr, necr, mode); | ||
903 | return mode; | ||
904 | } | ||
905 | |||
906 | static void tda9874a_setmode(struct CHIPSTATE *chip, int mode) | ||
907 | { | ||
908 | struct v4l2_subdev *sd = &chip->sd; | ||
909 | |||
910 | /* Disable/enable NICAM auto-muting (based on DSR.RSSF status bit). */ | ||
911 | /* If auto-muting is disabled, we can hear a signal of degrading quality. */ | ||
912 | if (tda9874a_mode) { | ||
913 | if(chip->shadow.bytes[MAXREGS-2] & 0x20) /* DSR.RSSF=1 */ | ||
914 | tda9874a_NCONR &= 0xfe; /* enable */ | ||
915 | else | ||
916 | tda9874a_NCONR |= 0x01; /* disable */ | ||
917 | chip_write(chip, TDA9874A_NCONR, tda9874a_NCONR); | ||
918 | } | ||
919 | |||
920 | /* Note: TDA9874A supports automatic FM dematrixing (FMMR register) | ||
921 | * and has auto-select function for audio output (AOSR register). | ||
922 | * Old TDA9874H doesn't support these features. | ||
923 | * TDA9874A also has additional mono output pin (OUTM), which | ||
924 | * on same (all?) tv-cards is not used, anyway (as well as MONOIN). | ||
925 | */ | ||
926 | if(tda9874a_dic == 0x11) { | ||
927 | int aosr = 0x80; | ||
928 | int mdacosr = (tda9874a_mode) ? 0x82:0x80; | ||
929 | |||
930 | switch(mode) { | ||
931 | case V4L2_TUNER_MODE_MONO: | ||
932 | case V4L2_TUNER_MODE_STEREO: | ||
933 | break; | ||
934 | case V4L2_TUNER_MODE_LANG1: | ||
935 | aosr = 0x80; /* auto-select, dual A/A */ | ||
936 | mdacosr = (tda9874a_mode) ? 0x82:0x80; | ||
937 | break; | ||
938 | case V4L2_TUNER_MODE_LANG2: | ||
939 | aosr = 0xa0; /* auto-select, dual B/B */ | ||
940 | mdacosr = (tda9874a_mode) ? 0x83:0x81; | ||
941 | break; | ||
942 | default: | ||
943 | chip->mode = 0; | ||
944 | return; | ||
945 | } | ||
946 | chip_write(chip, TDA9874A_AOSR, aosr); | ||
947 | chip_write(chip, TDA9874A_MDACOSR, mdacosr); | ||
948 | |||
949 | v4l2_dbg(1, debug, sd, "tda9874a_setmode(): req. mode %d; AOSR=0x%X, MDACOSR=0x%X.\n", | ||
950 | mode, aosr, mdacosr); | ||
951 | |||
952 | } else { /* dic == 0x07 */ | ||
953 | int fmmr,aosr; | ||
954 | |||
955 | switch(mode) { | ||
956 | case V4L2_TUNER_MODE_MONO: | ||
957 | fmmr = 0x00; /* mono */ | ||
958 | aosr = 0x10; /* A/A */ | ||
959 | break; | ||
960 | case V4L2_TUNER_MODE_STEREO: | ||
961 | if(tda9874a_mode) { | ||
962 | fmmr = 0x00; | ||
963 | aosr = 0x00; /* handled by NICAM auto-mute */ | ||
964 | } else { | ||
965 | fmmr = (tda9874a_ESP == 1) ? 0x05 : 0x04; /* stereo */ | ||
966 | aosr = 0x00; | ||
967 | } | ||
968 | break; | ||
969 | case V4L2_TUNER_MODE_LANG1: | ||
970 | fmmr = 0x02; /* dual */ | ||
971 | aosr = 0x10; /* dual A/A */ | ||
972 | break; | ||
973 | case V4L2_TUNER_MODE_LANG2: | ||
974 | fmmr = 0x02; /* dual */ | ||
975 | aosr = 0x20; /* dual B/B */ | ||
976 | break; | ||
977 | default: | ||
978 | chip->mode = 0; | ||
979 | return; | ||
980 | } | ||
981 | chip_write(chip, TDA9874A_FMMR, fmmr); | ||
982 | chip_write(chip, TDA9874A_AOSR, aosr); | ||
983 | |||
984 | v4l2_dbg(1, debug, sd, "tda9874a_setmode(): req. mode %d; FMMR=0x%X, AOSR=0x%X.\n", | ||
985 | mode, fmmr, aosr); | ||
986 | } | ||
987 | } | ||
988 | |||
989 | static int tda9874a_checkit(struct CHIPSTATE *chip) | ||
990 | { | ||
991 | struct v4l2_subdev *sd = &chip->sd; | ||
992 | int dic,sic; /* device id. and software id. codes */ | ||
993 | |||
994 | if(-1 == (dic = chip_read2(chip,TDA9874A_DIC))) | ||
995 | return 0; | ||
996 | if(-1 == (sic = chip_read2(chip,TDA9874A_SIC))) | ||
997 | return 0; | ||
998 | |||
999 | v4l2_dbg(1, debug, sd, "tda9874a_checkit(): DIC=0x%X, SIC=0x%X.\n", dic, sic); | ||
1000 | |||
1001 | if((dic == 0x11)||(dic == 0x07)) { | ||
1002 | v4l2_info(sd, "found tda9874%s.\n", (dic == 0x11) ? "a" : "h"); | ||
1003 | tda9874a_dic = dic; /* remember device id. */ | ||
1004 | return 1; | ||
1005 | } | ||
1006 | return 0; /* not found */ | ||
1007 | } | ||
1008 | |||
1009 | static int tda9874a_initialize(struct CHIPSTATE *chip) | ||
1010 | { | ||
1011 | if (tda9874a_SIF > 2) | ||
1012 | tda9874a_SIF = 1; | ||
1013 | if (tda9874a_STD >= ARRAY_SIZE(tda9874a_modelist)) | ||
1014 | tda9874a_STD = 0; | ||
1015 | if(tda9874a_AMSEL > 1) | ||
1016 | tda9874a_AMSEL = 0; | ||
1017 | |||
1018 | if(tda9874a_SIF == 1) | ||
1019 | tda9874a_GCONR = 0xc0; /* sound IF input 1 */ | ||
1020 | else | ||
1021 | tda9874a_GCONR = 0xc1; /* sound IF input 2 */ | ||
1022 | |||
1023 | tda9874a_ESP = tda9874a_STD; | ||
1024 | tda9874a_mode = (tda9874a_STD < 5) ? 0 : 1; | ||
1025 | |||
1026 | if(tda9874a_AMSEL == 0) | ||
1027 | tda9874a_NCONR = 0x01; /* auto-mute: analog mono input */ | ||
1028 | else | ||
1029 | tda9874a_NCONR = 0x05; /* auto-mute: 1st carrier FM or AM */ | ||
1030 | |||
1031 | tda9874a_setup(chip); | ||
1032 | return 0; | ||
1033 | } | ||
1034 | |||
1035 | /* ---------------------------------------------------------------------- */ | ||
1036 | /* audio chip description - defines+functions for tda9875 */ | ||
1037 | /* The TDA9875 is made by Philips Semiconductor | ||
1038 | * http://www.semiconductors.philips.com | ||
1039 | * TDA9875: I2C-bus controlled DSP audio processor, FM demodulator | ||
1040 | * | ||
1041 | */ | ||
1042 | |||
1043 | /* subaddresses for TDA9875 */ | ||
1044 | #define TDA9875_MUT 0x12 /*General mute (value --> 0b11001100*/ | ||
1045 | #define TDA9875_CFG 0x01 /* Config register (value --> 0b00000000 */ | ||
1046 | #define TDA9875_DACOS 0x13 /*DAC i/o select (ADC) 0b0000100*/ | ||
1047 | #define TDA9875_LOSR 0x16 /*Line output select regirter 0b0100 0001*/ | ||
1048 | |||
1049 | #define TDA9875_CH1V 0x0c /*Channel 1 volume (mute)*/ | ||
1050 | #define TDA9875_CH2V 0x0d /*Channel 2 volume (mute)*/ | ||
1051 | #define TDA9875_SC1 0x14 /*SCART 1 in (mono)*/ | ||
1052 | #define TDA9875_SC2 0x15 /*SCART 2 in (mono)*/ | ||
1053 | |||
1054 | #define TDA9875_ADCIS 0x17 /*ADC input select (mono) 0b0110 000*/ | ||
1055 | #define TDA9875_AER 0x19 /*Audio effect (AVL+Pseudo) 0b0000 0110*/ | ||
1056 | #define TDA9875_MCS 0x18 /*Main channel select (DAC) 0b0000100*/ | ||
1057 | #define TDA9875_MVL 0x1a /* Main volume gauche */ | ||
1058 | #define TDA9875_MVR 0x1b /* Main volume droite */ | ||
1059 | #define TDA9875_MBA 0x1d /* Main Basse */ | ||
1060 | #define TDA9875_MTR 0x1e /* Main treble */ | ||
1061 | #define TDA9875_ACS 0x1f /* Auxiliary channel select (FM) 0b0000000*/ | ||
1062 | #define TDA9875_AVL 0x20 /* Auxiliary volume gauche */ | ||
1063 | #define TDA9875_AVR 0x21 /* Auxiliary volume droite */ | ||
1064 | #define TDA9875_ABA 0x22 /* Auxiliary Basse */ | ||
1065 | #define TDA9875_ATR 0x23 /* Auxiliary treble */ | ||
1066 | |||
1067 | #define TDA9875_MSR 0x02 /* Monitor select register */ | ||
1068 | #define TDA9875_C1MSB 0x03 /* Carrier 1 (FM) frequency register MSB */ | ||
1069 | #define TDA9875_C1MIB 0x04 /* Carrier 1 (FM) frequency register (16-8]b */ | ||
1070 | #define TDA9875_C1LSB 0x05 /* Carrier 1 (FM) frequency register LSB */ | ||
1071 | #define TDA9875_C2MSB 0x06 /* Carrier 2 (nicam) frequency register MSB */ | ||
1072 | #define TDA9875_C2MIB 0x07 /* Carrier 2 (nicam) frequency register (16-8]b */ | ||
1073 | #define TDA9875_C2LSB 0x08 /* Carrier 2 (nicam) frequency register LSB */ | ||
1074 | #define TDA9875_DCR 0x09 /* Demodulateur configuration regirter*/ | ||
1075 | #define TDA9875_DEEM 0x0a /* FM de-emphasis regirter*/ | ||
1076 | #define TDA9875_FMAT 0x0b /* FM Matrix regirter*/ | ||
1077 | |||
1078 | /* values */ | ||
1079 | #define TDA9875_MUTE_ON 0xff /* general mute */ | ||
1080 | #define TDA9875_MUTE_OFF 0xcc /* general no mute */ | ||
1081 | |||
1082 | static int tda9875_initialize(struct CHIPSTATE *chip) | ||
1083 | { | ||
1084 | chip_write(chip, TDA9875_CFG, 0xd0); /*reg de config 0 (reset)*/ | ||
1085 | chip_write(chip, TDA9875_MSR, 0x03); /* Monitor 0b00000XXX*/ | ||
1086 | chip_write(chip, TDA9875_C1MSB, 0x00); /*Car1(FM) MSB XMHz*/ | ||
1087 | chip_write(chip, TDA9875_C1MIB, 0x00); /*Car1(FM) MIB XMHz*/ | ||
1088 | chip_write(chip, TDA9875_C1LSB, 0x00); /*Car1(FM) LSB XMHz*/ | ||
1089 | chip_write(chip, TDA9875_C2MSB, 0x00); /*Car2(NICAM) MSB XMHz*/ | ||
1090 | chip_write(chip, TDA9875_C2MIB, 0x00); /*Car2(NICAM) MIB XMHz*/ | ||
1091 | chip_write(chip, TDA9875_C2LSB, 0x00); /*Car2(NICAM) LSB XMHz*/ | ||
1092 | chip_write(chip, TDA9875_DCR, 0x00); /*Demod config 0x00*/ | ||
1093 | chip_write(chip, TDA9875_DEEM, 0x44); /*DE-Emph 0b0100 0100*/ | ||
1094 | chip_write(chip, TDA9875_FMAT, 0x00); /*FM Matrix reg 0x00*/ | ||
1095 | chip_write(chip, TDA9875_SC1, 0x00); /* SCART 1 (SC1)*/ | ||
1096 | chip_write(chip, TDA9875_SC2, 0x01); /* SCART 2 (sc2)*/ | ||
1097 | |||
1098 | chip_write(chip, TDA9875_CH1V, 0x10); /* Channel volume 1 mute*/ | ||
1099 | chip_write(chip, TDA9875_CH2V, 0x10); /* Channel volume 2 mute */ | ||
1100 | chip_write(chip, TDA9875_DACOS, 0x02); /* sig DAC i/o(in:nicam)*/ | ||
1101 | chip_write(chip, TDA9875_ADCIS, 0x6f); /* sig ADC input(in:mono)*/ | ||
1102 | chip_write(chip, TDA9875_LOSR, 0x00); /* line out (in:mono)*/ | ||
1103 | chip_write(chip, TDA9875_AER, 0x00); /*06 Effect (AVL+PSEUDO) */ | ||
1104 | chip_write(chip, TDA9875_MCS, 0x44); /* Main ch select (DAC) */ | ||
1105 | chip_write(chip, TDA9875_MVL, 0x03); /* Vol Main left 10dB */ | ||
1106 | chip_write(chip, TDA9875_MVR, 0x03); /* Vol Main right 10dB*/ | ||
1107 | chip_write(chip, TDA9875_MBA, 0x00); /* Main Bass Main 0dB*/ | ||
1108 | chip_write(chip, TDA9875_MTR, 0x00); /* Main Treble Main 0dB*/ | ||
1109 | chip_write(chip, TDA9875_ACS, 0x44); /* Aux chan select (dac)*/ | ||
1110 | chip_write(chip, TDA9875_AVL, 0x00); /* Vol Aux left 0dB*/ | ||
1111 | chip_write(chip, TDA9875_AVR, 0x00); /* Vol Aux right 0dB*/ | ||
1112 | chip_write(chip, TDA9875_ABA, 0x00); /* Aux Bass Main 0dB*/ | ||
1113 | chip_write(chip, TDA9875_ATR, 0x00); /* Aux Aigus Main 0dB*/ | ||
1114 | |||
1115 | chip_write(chip, TDA9875_MUT, 0xcc); /* General mute */ | ||
1116 | return 0; | ||
1117 | } | ||
1118 | |||
1119 | static int tda9875_volume(int val) { return (unsigned char)(val / 602 - 84); } | ||
1120 | static int tda9875_bass(int val) { return (unsigned char)(max(-12, val / 2115 - 15)); } | ||
1121 | static int tda9875_treble(int val) { return (unsigned char)(val / 2622 - 12); } | ||
1122 | |||
1123 | /* ----------------------------------------------------------------------- */ | ||
1124 | |||
1125 | |||
1126 | /* *********************** * | ||
1127 | * i2c interface functions * | ||
1128 | * *********************** */ | ||
1129 | |||
1130 | static int tda9875_checkit(struct CHIPSTATE *chip) | ||
1131 | { | ||
1132 | struct v4l2_subdev *sd = &chip->sd; | ||
1133 | int dic, rev; | ||
1134 | |||
1135 | dic = chip_read2(chip, 254); | ||
1136 | rev = chip_read2(chip, 255); | ||
1137 | |||
1138 | if (dic == 0 || dic == 2) { /* tda9875 and tda9875A */ | ||
1139 | v4l2_info(sd, "found tda9875%s rev. %d.\n", | ||
1140 | dic == 0 ? "" : "A", rev); | ||
1141 | return 1; | ||
1142 | } | ||
1143 | return 0; | ||
1144 | } | ||
1145 | |||
1146 | /* ---------------------------------------------------------------------- */ | ||
1147 | /* audio chip descriptions - defines+functions for tea6420 */ | ||
1148 | |||
1149 | #define TEA6300_VL 0x00 /* volume left */ | ||
1150 | #define TEA6300_VR 0x01 /* volume right */ | ||
1151 | #define TEA6300_BA 0x02 /* bass */ | ||
1152 | #define TEA6300_TR 0x03 /* treble */ | ||
1153 | #define TEA6300_FA 0x04 /* fader control */ | ||
1154 | #define TEA6300_S 0x05 /* switch register */ | ||
1155 | /* values for those registers: */ | ||
1156 | #define TEA6300_S_SA 0x01 /* stereo A input */ | ||
1157 | #define TEA6300_S_SB 0x02 /* stereo B */ | ||
1158 | #define TEA6300_S_SC 0x04 /* stereo C */ | ||
1159 | #define TEA6300_S_GMU 0x80 /* general mute */ | ||
1160 | |||
1161 | #define TEA6320_V 0x00 /* volume (0-5)/loudness off (6)/zero crossing mute(7) */ | ||
1162 | #define TEA6320_FFR 0x01 /* fader front right (0-5) */ | ||
1163 | #define TEA6320_FFL 0x02 /* fader front left (0-5) */ | ||
1164 | #define TEA6320_FRR 0x03 /* fader rear right (0-5) */ | ||
1165 | #define TEA6320_FRL 0x04 /* fader rear left (0-5) */ | ||
1166 | #define TEA6320_BA 0x05 /* bass (0-4) */ | ||
1167 | #define TEA6320_TR 0x06 /* treble (0-4) */ | ||
1168 | #define TEA6320_S 0x07 /* switch register */ | ||
1169 | /* values for those registers: */ | ||
1170 | #define TEA6320_S_SA 0x07 /* stereo A input */ | ||
1171 | #define TEA6320_S_SB 0x06 /* stereo B */ | ||
1172 | #define TEA6320_S_SC 0x05 /* stereo C */ | ||
1173 | #define TEA6320_S_SD 0x04 /* stereo D */ | ||
1174 | #define TEA6320_S_GMU 0x80 /* general mute */ | ||
1175 | |||
1176 | #define TEA6420_S_SA 0x00 /* stereo A input */ | ||
1177 | #define TEA6420_S_SB 0x01 /* stereo B */ | ||
1178 | #define TEA6420_S_SC 0x02 /* stereo C */ | ||
1179 | #define TEA6420_S_SD 0x03 /* stereo D */ | ||
1180 | #define TEA6420_S_SE 0x04 /* stereo E */ | ||
1181 | #define TEA6420_S_GMU 0x05 /* general mute */ | ||
1182 | |||
1183 | static int tea6300_shift10(int val) { return val >> 10; } | ||
1184 | static int tea6300_shift12(int val) { return val >> 12; } | ||
1185 | |||
1186 | /* Assumes 16bit input (values 0x3f to 0x0c are unique, values less than */ | ||
1187 | /* 0x0c mirror those immediately higher) */ | ||
1188 | static int tea6320_volume(int val) { return (val / (65535/(63-12)) + 12) & 0x3f; } | ||
1189 | static int tea6320_shift11(int val) { return val >> 11; } | ||
1190 | static int tea6320_initialize(struct CHIPSTATE * chip) | ||
1191 | { | ||
1192 | chip_write(chip, TEA6320_FFR, 0x3f); | ||
1193 | chip_write(chip, TEA6320_FFL, 0x3f); | ||
1194 | chip_write(chip, TEA6320_FRR, 0x3f); | ||
1195 | chip_write(chip, TEA6320_FRL, 0x3f); | ||
1196 | |||
1197 | return 0; | ||
1198 | } | ||
1199 | |||
1200 | |||
1201 | /* ---------------------------------------------------------------------- */ | ||
1202 | /* audio chip descriptions - defines+functions for tda8425 */ | ||
1203 | |||
1204 | #define TDA8425_VL 0x00 /* volume left */ | ||
1205 | #define TDA8425_VR 0x01 /* volume right */ | ||
1206 | #define TDA8425_BA 0x02 /* bass */ | ||
1207 | #define TDA8425_TR 0x03 /* treble */ | ||
1208 | #define TDA8425_S1 0x08 /* switch functions */ | ||
1209 | /* values for those registers: */ | ||
1210 | #define TDA8425_S1_OFF 0xEE /* audio off (mute on) */ | ||
1211 | #define TDA8425_S1_CH1 0xCE /* audio channel 1 (mute off) - "linear stereo" mode */ | ||
1212 | #define TDA8425_S1_CH2 0xCF /* audio channel 2 (mute off) - "linear stereo" mode */ | ||
1213 | #define TDA8425_S1_MU 0x20 /* mute bit */ | ||
1214 | #define TDA8425_S1_STEREO 0x18 /* stereo bits */ | ||
1215 | #define TDA8425_S1_STEREO_SPATIAL 0x18 /* spatial stereo */ | ||
1216 | #define TDA8425_S1_STEREO_LINEAR 0x08 /* linear stereo */ | ||
1217 | #define TDA8425_S1_STEREO_PSEUDO 0x10 /* pseudo stereo */ | ||
1218 | #define TDA8425_S1_STEREO_MONO 0x00 /* forced mono */ | ||
1219 | #define TDA8425_S1_ML 0x06 /* language selector */ | ||
1220 | #define TDA8425_S1_ML_SOUND_A 0x02 /* sound a */ | ||
1221 | #define TDA8425_S1_ML_SOUND_B 0x04 /* sound b */ | ||
1222 | #define TDA8425_S1_ML_STEREO 0x06 /* stereo */ | ||
1223 | #define TDA8425_S1_IS 0x01 /* channel selector */ | ||
1224 | |||
1225 | |||
1226 | static int tda8425_shift10(int val) { return (val >> 10) | 0xc0; } | ||
1227 | static int tda8425_shift12(int val) { return (val >> 12) | 0xf0; } | ||
1228 | |||
1229 | static void tda8425_setmode(struct CHIPSTATE *chip, int mode) | ||
1230 | { | ||
1231 | int s1 = chip->shadow.bytes[TDA8425_S1+1] & 0xe1; | ||
1232 | |||
1233 | if (mode & V4L2_TUNER_MODE_LANG1) { | ||
1234 | s1 |= TDA8425_S1_ML_SOUND_A; | ||
1235 | s1 |= TDA8425_S1_STEREO_PSEUDO; | ||
1236 | |||
1237 | } else if (mode & V4L2_TUNER_MODE_LANG2) { | ||
1238 | s1 |= TDA8425_S1_ML_SOUND_B; | ||
1239 | s1 |= TDA8425_S1_STEREO_PSEUDO; | ||
1240 | |||
1241 | } else { | ||
1242 | s1 |= TDA8425_S1_ML_STEREO; | ||
1243 | |||
1244 | if (mode & V4L2_TUNER_MODE_MONO) | ||
1245 | s1 |= TDA8425_S1_STEREO_MONO; | ||
1246 | if (mode & V4L2_TUNER_MODE_STEREO) | ||
1247 | s1 |= TDA8425_S1_STEREO_SPATIAL; | ||
1248 | } | ||
1249 | chip_write(chip,TDA8425_S1,s1); | ||
1250 | } | ||
1251 | |||
1252 | |||
1253 | /* ---------------------------------------------------------------------- */ | ||
1254 | /* audio chip descriptions - defines+functions for pic16c54 (PV951) */ | ||
1255 | |||
1256 | /* the registers of 16C54, I2C sub address. */ | ||
1257 | #define PIC16C54_REG_KEY_CODE 0x01 /* Not use. */ | ||
1258 | #define PIC16C54_REG_MISC 0x02 | ||
1259 | |||
1260 | /* bit definition of the RESET register, I2C data. */ | ||
1261 | #define PIC16C54_MISC_RESET_REMOTE_CTL 0x01 /* bit 0, Reset to receive the key */ | ||
1262 | /* code of remote controller */ | ||
1263 | #define PIC16C54_MISC_MTS_MAIN 0x02 /* bit 1 */ | ||
1264 | #define PIC16C54_MISC_MTS_SAP 0x04 /* bit 2 */ | ||
1265 | #define PIC16C54_MISC_MTS_BOTH 0x08 /* bit 3 */ | ||
1266 | #define PIC16C54_MISC_SND_MUTE 0x10 /* bit 4, Mute Audio(Line-in and Tuner) */ | ||
1267 | #define PIC16C54_MISC_SND_NOTMUTE 0x20 /* bit 5 */ | ||
1268 | #define PIC16C54_MISC_SWITCH_TUNER 0x40 /* bit 6 , Switch to Line-in */ | ||
1269 | #define PIC16C54_MISC_SWITCH_LINE 0x80 /* bit 7 , Switch to Tuner */ | ||
1270 | |||
1271 | /* ---------------------------------------------------------------------- */ | ||
1272 | /* audio chip descriptions - defines+functions for TA8874Z */ | ||
1273 | |||
1274 | /* write 1st byte */ | ||
1275 | #define TA8874Z_LED_STE 0x80 | ||
1276 | #define TA8874Z_LED_BIL 0x40 | ||
1277 | #define TA8874Z_LED_EXT 0x20 | ||
1278 | #define TA8874Z_MONO_SET 0x10 | ||
1279 | #define TA8874Z_MUTE 0x08 | ||
1280 | #define TA8874Z_F_MONO 0x04 | ||
1281 | #define TA8874Z_MODE_SUB 0x02 | ||
1282 | #define TA8874Z_MODE_MAIN 0x01 | ||
1283 | |||
1284 | /* write 2nd byte */ | ||
1285 | /*#define TA8874Z_TI 0x80 */ /* test mode */ | ||
1286 | #define TA8874Z_SEPARATION 0x3f | ||
1287 | #define TA8874Z_SEPARATION_DEFAULT 0x10 | ||
1288 | |||
1289 | /* read */ | ||
1290 | #define TA8874Z_B1 0x80 | ||
1291 | #define TA8874Z_B0 0x40 | ||
1292 | #define TA8874Z_CHAG_FLAG 0x20 | ||
1293 | |||
1294 | /* | ||
1295 | * B1 B0 | ||
1296 | * mono L H | ||
1297 | * stereo L L | ||
1298 | * BIL H L | ||
1299 | */ | ||
1300 | static int ta8874z_getmode(struct CHIPSTATE *chip) | ||
1301 | { | ||
1302 | int val, mode; | ||
1303 | |||
1304 | val = chip_read(chip); | ||
1305 | mode = V4L2_TUNER_MODE_MONO; | ||
1306 | if (val & TA8874Z_B1){ | ||
1307 | mode |= V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2; | ||
1308 | }else if (!(val & TA8874Z_B0)){ | ||
1309 | mode |= V4L2_TUNER_MODE_STEREO; | ||
1310 | } | ||
1311 | /* v4l_dbg(1, debug, chip->c, "ta8874z_getmode(): raw chip read: 0x%02x, return: 0x%02x\n", val, mode); */ | ||
1312 | return mode; | ||
1313 | } | ||
1314 | |||
1315 | static audiocmd ta8874z_stereo = { 2, {0, TA8874Z_SEPARATION_DEFAULT}}; | ||
1316 | static audiocmd ta8874z_mono = {2, { TA8874Z_MONO_SET, TA8874Z_SEPARATION_DEFAULT}}; | ||
1317 | static audiocmd ta8874z_main = {2, { 0, TA8874Z_SEPARATION_DEFAULT}}; | ||
1318 | static audiocmd ta8874z_sub = {2, { TA8874Z_MODE_SUB, TA8874Z_SEPARATION_DEFAULT}}; | ||
1319 | |||
1320 | static void ta8874z_setmode(struct CHIPSTATE *chip, int mode) | ||
1321 | { | ||
1322 | struct v4l2_subdev *sd = &chip->sd; | ||
1323 | int update = 1; | ||
1324 | audiocmd *t = NULL; | ||
1325 | |||
1326 | v4l2_dbg(1, debug, sd, "ta8874z_setmode(): mode: 0x%02x\n", mode); | ||
1327 | |||
1328 | switch(mode){ | ||
1329 | case V4L2_TUNER_MODE_MONO: | ||
1330 | t = &ta8874z_mono; | ||
1331 | break; | ||
1332 | case V4L2_TUNER_MODE_STEREO: | ||
1333 | t = &ta8874z_stereo; | ||
1334 | break; | ||
1335 | case V4L2_TUNER_MODE_LANG1: | ||
1336 | t = &ta8874z_main; | ||
1337 | break; | ||
1338 | case V4L2_TUNER_MODE_LANG2: | ||
1339 | t = &ta8874z_sub; | ||
1340 | break; | ||
1341 | default: | ||
1342 | update = 0; | ||
1343 | } | ||
1344 | |||
1345 | if(update) | ||
1346 | chip_cmd(chip, "TA8874Z", t); | ||
1347 | } | ||
1348 | |||
1349 | static int ta8874z_checkit(struct CHIPSTATE *chip) | ||
1350 | { | ||
1351 | int rc; | ||
1352 | rc = chip_read(chip); | ||
1353 | return ((rc & 0x1f) == 0x1f) ? 1 : 0; | ||
1354 | } | ||
1355 | |||
1356 | /* ---------------------------------------------------------------------- */ | ||
1357 | /* audio chip descriptions - struct CHIPDESC */ | ||
1358 | |||
1359 | /* insmod options to enable/disable individual audio chips */ | ||
1360 | static int tda8425 = 1; | ||
1361 | static int tda9840 = 1; | ||
1362 | static int tda9850 = 1; | ||
1363 | static int tda9855 = 1; | ||
1364 | static int tda9873 = 1; | ||
1365 | static int tda9874a = 1; | ||
1366 | static int tda9875 = 1; | ||
1367 | static int tea6300; /* default 0 - address clash with msp34xx */ | ||
1368 | static int tea6320; /* default 0 - address clash with msp34xx */ | ||
1369 | static int tea6420 = 1; | ||
1370 | static int pic16c54 = 1; | ||
1371 | static int ta8874z; /* default 0 - address clash with tda9840 */ | ||
1372 | |||
1373 | module_param(tda8425, int, 0444); | ||
1374 | module_param(tda9840, int, 0444); | ||
1375 | module_param(tda9850, int, 0444); | ||
1376 | module_param(tda9855, int, 0444); | ||
1377 | module_param(tda9873, int, 0444); | ||
1378 | module_param(tda9874a, int, 0444); | ||
1379 | module_param(tda9875, int, 0444); | ||
1380 | module_param(tea6300, int, 0444); | ||
1381 | module_param(tea6320, int, 0444); | ||
1382 | module_param(tea6420, int, 0444); | ||
1383 | module_param(pic16c54, int, 0444); | ||
1384 | module_param(ta8874z, int, 0444); | ||
1385 | |||
1386 | static struct CHIPDESC chiplist[] = { | ||
1387 | { | ||
1388 | .name = "tda9840", | ||
1389 | .insmodopt = &tda9840, | ||
1390 | .addr_lo = I2C_ADDR_TDA9840 >> 1, | ||
1391 | .addr_hi = I2C_ADDR_TDA9840 >> 1, | ||
1392 | .registers = 5, | ||
1393 | .flags = CHIP_NEED_CHECKMODE, | ||
1394 | |||
1395 | /* callbacks */ | ||
1396 | .checkit = tda9840_checkit, | ||
1397 | .getmode = tda9840_getmode, | ||
1398 | .setmode = tda9840_setmode, | ||
1399 | |||
1400 | .init = { 2, { TDA9840_TEST, TDA9840_TEST_INT1SN | ||
1401 | /* ,TDA9840_SW, TDA9840_MONO */} } | ||
1402 | }, | ||
1403 | { | ||
1404 | .name = "tda9873h", | ||
1405 | .insmodopt = &tda9873, | ||
1406 | .addr_lo = I2C_ADDR_TDA985x_L >> 1, | ||
1407 | .addr_hi = I2C_ADDR_TDA985x_H >> 1, | ||
1408 | .registers = 3, | ||
1409 | .flags = CHIP_HAS_INPUTSEL | CHIP_NEED_CHECKMODE, | ||
1410 | |||
1411 | /* callbacks */ | ||
1412 | .checkit = tda9873_checkit, | ||
1413 | .getmode = tda9873_getmode, | ||
1414 | .setmode = tda9873_setmode, | ||
1415 | |||
1416 | .init = { 4, { TDA9873_SW, 0xa4, 0x06, 0x03 } }, | ||
1417 | .inputreg = TDA9873_SW, | ||
1418 | .inputmute = TDA9873_MUTE | TDA9873_AUTOMUTE, | ||
1419 | .inputmap = {0xa0, 0xa2, 0xa0, 0xa0}, | ||
1420 | .inputmask = TDA9873_INP_MASK|TDA9873_MUTE|TDA9873_AUTOMUTE, | ||
1421 | |||
1422 | }, | ||
1423 | { | ||
1424 | .name = "tda9874h/a", | ||
1425 | .insmodopt = &tda9874a, | ||
1426 | .addr_lo = I2C_ADDR_TDA9874 >> 1, | ||
1427 | .addr_hi = I2C_ADDR_TDA9874 >> 1, | ||
1428 | .flags = CHIP_NEED_CHECKMODE, | ||
1429 | |||
1430 | /* callbacks */ | ||
1431 | .initialize = tda9874a_initialize, | ||
1432 | .checkit = tda9874a_checkit, | ||
1433 | .getmode = tda9874a_getmode, | ||
1434 | .setmode = tda9874a_setmode, | ||
1435 | }, | ||
1436 | { | ||
1437 | .name = "tda9875", | ||
1438 | .insmodopt = &tda9875, | ||
1439 | .addr_lo = I2C_ADDR_TDA9875 >> 1, | ||
1440 | .addr_hi = I2C_ADDR_TDA9875 >> 1, | ||
1441 | .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE, | ||
1442 | |||
1443 | /* callbacks */ | ||
1444 | .initialize = tda9875_initialize, | ||
1445 | .checkit = tda9875_checkit, | ||
1446 | .volfunc = tda9875_volume, | ||
1447 | .bassfunc = tda9875_bass, | ||
1448 | .treblefunc = tda9875_treble, | ||
1449 | .leftreg = TDA9875_MVL, | ||
1450 | .rightreg = TDA9875_MVR, | ||
1451 | .bassreg = TDA9875_MBA, | ||
1452 | .treblereg = TDA9875_MTR, | ||
1453 | .leftinit = 58880, | ||
1454 | .rightinit = 58880, | ||
1455 | }, | ||
1456 | { | ||
1457 | .name = "tda9850", | ||
1458 | .insmodopt = &tda9850, | ||
1459 | .addr_lo = I2C_ADDR_TDA985x_L >> 1, | ||
1460 | .addr_hi = I2C_ADDR_TDA985x_H >> 1, | ||
1461 | .registers = 11, | ||
1462 | |||
1463 | .getmode = tda985x_getmode, | ||
1464 | .setmode = tda985x_setmode, | ||
1465 | |||
1466 | .init = { 8, { TDA9850_C4, 0x08, 0x08, TDA985x_STEREO, 0x07, 0x10, 0x10, 0x03 } } | ||
1467 | }, | ||
1468 | { | ||
1469 | .name = "tda9855", | ||
1470 | .insmodopt = &tda9855, | ||
1471 | .addr_lo = I2C_ADDR_TDA985x_L >> 1, | ||
1472 | .addr_hi = I2C_ADDR_TDA985x_H >> 1, | ||
1473 | .registers = 11, | ||
1474 | .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE, | ||
1475 | |||
1476 | .leftreg = TDA9855_VL, | ||
1477 | .rightreg = TDA9855_VR, | ||
1478 | .bassreg = TDA9855_BA, | ||
1479 | .treblereg = TDA9855_TR, | ||
1480 | |||
1481 | /* callbacks */ | ||
1482 | .volfunc = tda9855_volume, | ||
1483 | .bassfunc = tda9855_bass, | ||
1484 | .treblefunc = tda9855_treble, | ||
1485 | .getmode = tda985x_getmode, | ||
1486 | .setmode = tda985x_setmode, | ||
1487 | |||
1488 | .init = { 12, { 0, 0x6f, 0x6f, 0x0e, 0x07<<1, 0x8<<2, | ||
1489 | TDA9855_MUTE | TDA9855_AVL | TDA9855_LOUD | TDA9855_INT, | ||
1490 | TDA985x_STEREO | TDA9855_LINEAR | TDA9855_TZCM | TDA9855_VZCM, | ||
1491 | 0x07, 0x10, 0x10, 0x03 }} | ||
1492 | }, | ||
1493 | { | ||
1494 | .name = "tea6300", | ||
1495 | .insmodopt = &tea6300, | ||
1496 | .addr_lo = I2C_ADDR_TEA6300 >> 1, | ||
1497 | .addr_hi = I2C_ADDR_TEA6300 >> 1, | ||
1498 | .registers = 6, | ||
1499 | .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL, | ||
1500 | |||
1501 | .leftreg = TEA6300_VR, | ||
1502 | .rightreg = TEA6300_VL, | ||
1503 | .bassreg = TEA6300_BA, | ||
1504 | .treblereg = TEA6300_TR, | ||
1505 | |||
1506 | /* callbacks */ | ||
1507 | .volfunc = tea6300_shift10, | ||
1508 | .bassfunc = tea6300_shift12, | ||
1509 | .treblefunc = tea6300_shift12, | ||
1510 | |||
1511 | .inputreg = TEA6300_S, | ||
1512 | .inputmap = { TEA6300_S_SA, TEA6300_S_SB, TEA6300_S_SC }, | ||
1513 | .inputmute = TEA6300_S_GMU, | ||
1514 | }, | ||
1515 | { | ||
1516 | .name = "tea6320", | ||
1517 | .insmodopt = &tea6320, | ||
1518 | .addr_lo = I2C_ADDR_TEA6300 >> 1, | ||
1519 | .addr_hi = I2C_ADDR_TEA6300 >> 1, | ||
1520 | .registers = 8, | ||
1521 | .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL, | ||
1522 | |||
1523 | .leftreg = TEA6320_V, | ||
1524 | .rightreg = TEA6320_V, | ||
1525 | .bassreg = TEA6320_BA, | ||
1526 | .treblereg = TEA6320_TR, | ||
1527 | |||
1528 | /* callbacks */ | ||
1529 | .initialize = tea6320_initialize, | ||
1530 | .volfunc = tea6320_volume, | ||
1531 | .bassfunc = tea6320_shift11, | ||
1532 | .treblefunc = tea6320_shift11, | ||
1533 | |||
1534 | .inputreg = TEA6320_S, | ||
1535 | .inputmap = { TEA6320_S_SA, TEA6420_S_SB, TEA6300_S_SC, TEA6320_S_SD }, | ||
1536 | .inputmute = TEA6300_S_GMU, | ||
1537 | }, | ||
1538 | { | ||
1539 | .name = "tea6420", | ||
1540 | .insmodopt = &tea6420, | ||
1541 | .addr_lo = I2C_ADDR_TEA6420 >> 1, | ||
1542 | .addr_hi = I2C_ADDR_TEA6420 >> 1, | ||
1543 | .registers = 1, | ||
1544 | .flags = CHIP_HAS_INPUTSEL, | ||
1545 | |||
1546 | .inputreg = -1, | ||
1547 | .inputmap = { TEA6420_S_SA, TEA6420_S_SB, TEA6420_S_SC }, | ||
1548 | .inputmute = TEA6300_S_GMU, | ||
1549 | }, | ||
1550 | { | ||
1551 | .name = "tda8425", | ||
1552 | .insmodopt = &tda8425, | ||
1553 | .addr_lo = I2C_ADDR_TDA8425 >> 1, | ||
1554 | .addr_hi = I2C_ADDR_TDA8425 >> 1, | ||
1555 | .registers = 9, | ||
1556 | .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL, | ||
1557 | |||
1558 | .leftreg = TDA8425_VL, | ||
1559 | .rightreg = TDA8425_VR, | ||
1560 | .bassreg = TDA8425_BA, | ||
1561 | .treblereg = TDA8425_TR, | ||
1562 | |||
1563 | /* callbacks */ | ||
1564 | .volfunc = tda8425_shift10, | ||
1565 | .bassfunc = tda8425_shift12, | ||
1566 | .treblefunc = tda8425_shift12, | ||
1567 | .setmode = tda8425_setmode, | ||
1568 | |||
1569 | .inputreg = TDA8425_S1, | ||
1570 | .inputmap = { TDA8425_S1_CH1, TDA8425_S1_CH1, TDA8425_S1_CH1 }, | ||
1571 | .inputmute = TDA8425_S1_OFF, | ||
1572 | |||
1573 | }, | ||
1574 | { | ||
1575 | .name = "pic16c54 (PV951)", | ||
1576 | .insmodopt = &pic16c54, | ||
1577 | .addr_lo = I2C_ADDR_PIC16C54 >> 1, | ||
1578 | .addr_hi = I2C_ADDR_PIC16C54>> 1, | ||
1579 | .registers = 2, | ||
1580 | .flags = CHIP_HAS_INPUTSEL, | ||
1581 | |||
1582 | .inputreg = PIC16C54_REG_MISC, | ||
1583 | .inputmap = {PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_TUNER, | ||
1584 | PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_LINE, | ||
1585 | PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_LINE, | ||
1586 | PIC16C54_MISC_SND_MUTE}, | ||
1587 | .inputmute = PIC16C54_MISC_SND_MUTE, | ||
1588 | }, | ||
1589 | { | ||
1590 | .name = "ta8874z", | ||
1591 | .checkit = ta8874z_checkit, | ||
1592 | .insmodopt = &ta8874z, | ||
1593 | .addr_lo = I2C_ADDR_TDA9840 >> 1, | ||
1594 | .addr_hi = I2C_ADDR_TDA9840 >> 1, | ||
1595 | .registers = 2, | ||
1596 | .flags = CHIP_NEED_CHECKMODE, | ||
1597 | |||
1598 | /* callbacks */ | ||
1599 | .getmode = ta8874z_getmode, | ||
1600 | .setmode = ta8874z_setmode, | ||
1601 | |||
1602 | .init = {2, { TA8874Z_MONO_SET, TA8874Z_SEPARATION_DEFAULT}}, | ||
1603 | }, | ||
1604 | { .name = NULL } /* EOF */ | ||
1605 | }; | ||
1606 | |||
1607 | |||
1608 | /* ---------------------------------------------------------------------- */ | ||
1609 | |||
1610 | static int tvaudio_g_ctrl(struct v4l2_subdev *sd, | ||
1611 | struct v4l2_control *ctrl) | ||
1612 | { | ||
1613 | struct CHIPSTATE *chip = to_state(sd); | ||
1614 | struct CHIPDESC *desc = chip->desc; | ||
1615 | |||
1616 | switch (ctrl->id) { | ||
1617 | case V4L2_CID_AUDIO_MUTE: | ||
1618 | if (!(desc->flags & CHIP_HAS_INPUTSEL)) | ||
1619 | break; | ||
1620 | ctrl->value=chip->muted; | ||
1621 | return 0; | ||
1622 | case V4L2_CID_AUDIO_VOLUME: | ||
1623 | if (!(desc->flags & CHIP_HAS_VOLUME)) | ||
1624 | break; | ||
1625 | ctrl->value = max(chip->left,chip->right); | ||
1626 | return 0; | ||
1627 | case V4L2_CID_AUDIO_BALANCE: | ||
1628 | { | ||
1629 | int volume; | ||
1630 | if (!(desc->flags & CHIP_HAS_VOLUME)) | ||
1631 | break; | ||
1632 | volume = max(chip->left,chip->right); | ||
1633 | if (volume) | ||
1634 | ctrl->value=(32768*min(chip->left,chip->right))/volume; | ||
1635 | else | ||
1636 | ctrl->value=32768; | ||
1637 | return 0; | ||
1638 | } | ||
1639 | case V4L2_CID_AUDIO_BASS: | ||
1640 | if (!(desc->flags & CHIP_HAS_BASSTREBLE)) | ||
1641 | break; | ||
1642 | ctrl->value = chip->bass; | ||
1643 | return 0; | ||
1644 | case V4L2_CID_AUDIO_TREBLE: | ||
1645 | if (!(desc->flags & CHIP_HAS_BASSTREBLE)) | ||
1646 | break; | ||
1647 | ctrl->value = chip->treble; | ||
1648 | return 0; | ||
1649 | } | ||
1650 | return -EINVAL; | ||
1651 | } | ||
1652 | |||
1653 | static int tvaudio_s_ctrl(struct v4l2_subdev *sd, | ||
1654 | struct v4l2_control *ctrl) | ||
1655 | { | ||
1656 | struct CHIPSTATE *chip = to_state(sd); | ||
1657 | struct CHIPDESC *desc = chip->desc; | ||
1658 | |||
1659 | switch (ctrl->id) { | ||
1660 | case V4L2_CID_AUDIO_MUTE: | ||
1661 | if (!(desc->flags & CHIP_HAS_INPUTSEL)) | ||
1662 | break; | ||
1663 | |||
1664 | if (ctrl->value < 0 || ctrl->value >= 2) | ||
1665 | return -ERANGE; | ||
1666 | chip->muted = ctrl->value; | ||
1667 | if (chip->muted) | ||
1668 | chip_write_masked(chip,desc->inputreg,desc->inputmute,desc->inputmask); | ||
1669 | else | ||
1670 | chip_write_masked(chip,desc->inputreg, | ||
1671 | desc->inputmap[chip->input],desc->inputmask); | ||
1672 | return 0; | ||
1673 | case V4L2_CID_AUDIO_VOLUME: | ||
1674 | { | ||
1675 | int volume,balance; | ||
1676 | |||
1677 | if (!(desc->flags & CHIP_HAS_VOLUME)) | ||
1678 | break; | ||
1679 | |||
1680 | volume = max(chip->left,chip->right); | ||
1681 | if (volume) | ||
1682 | balance=(32768*min(chip->left,chip->right))/volume; | ||
1683 | else | ||
1684 | balance=32768; | ||
1685 | |||
1686 | volume=ctrl->value; | ||
1687 | chip->left = (min(65536 - balance,32768) * volume) / 32768; | ||
1688 | chip->right = (min(balance,volume *(__u16)32768)) / 32768; | ||
1689 | |||
1690 | chip_write(chip,desc->leftreg,desc->volfunc(chip->left)); | ||
1691 | chip_write(chip,desc->rightreg,desc->volfunc(chip->right)); | ||
1692 | |||
1693 | return 0; | ||
1694 | } | ||
1695 | case V4L2_CID_AUDIO_BALANCE: | ||
1696 | { | ||
1697 | int volume, balance; | ||
1698 | if (!(desc->flags & CHIP_HAS_VOLUME)) | ||
1699 | break; | ||
1700 | |||
1701 | volume = max(chip->left,chip->right); | ||
1702 | balance = ctrl->value; | ||
1703 | |||
1704 | chip_write(chip,desc->leftreg,desc->volfunc(chip->left)); | ||
1705 | chip_write(chip,desc->rightreg,desc->volfunc(chip->right)); | ||
1706 | |||
1707 | return 0; | ||
1708 | } | ||
1709 | case V4L2_CID_AUDIO_BASS: | ||
1710 | if (!(desc->flags & CHIP_HAS_BASSTREBLE)) | ||
1711 | break; | ||
1712 | chip->bass = ctrl->value; | ||
1713 | chip_write(chip,desc->bassreg,desc->bassfunc(chip->bass)); | ||
1714 | |||
1715 | return 0; | ||
1716 | case V4L2_CID_AUDIO_TREBLE: | ||
1717 | if (!(desc->flags & CHIP_HAS_BASSTREBLE)) | ||
1718 | break; | ||
1719 | chip->treble = ctrl->value; | ||
1720 | chip_write(chip,desc->treblereg,desc->treblefunc(chip->treble)); | ||
1721 | |||
1722 | return 0; | ||
1723 | } | ||
1724 | return -EINVAL; | ||
1725 | } | ||
1726 | |||
1727 | |||
1728 | /* ---------------------------------------------------------------------- */ | ||
1729 | /* video4linux interface */ | ||
1730 | |||
1731 | static int tvaudio_s_radio(struct v4l2_subdev *sd) | ||
1732 | { | ||
1733 | struct CHIPSTATE *chip = to_state(sd); | ||
1734 | |||
1735 | chip->radio = 1; | ||
1736 | chip->watch_stereo = 0; | ||
1737 | /* del_timer(&chip->wt); */ | ||
1738 | return 0; | ||
1739 | } | ||
1740 | |||
1741 | static int tvaudio_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc) | ||
1742 | { | ||
1743 | struct CHIPSTATE *chip = to_state(sd); | ||
1744 | struct CHIPDESC *desc = chip->desc; | ||
1745 | |||
1746 | switch (qc->id) { | ||
1747 | case V4L2_CID_AUDIO_MUTE: | ||
1748 | if (desc->flags & CHIP_HAS_INPUTSEL) | ||
1749 | return v4l2_ctrl_query_fill(qc, 0, 1, 1, 0); | ||
1750 | break; | ||
1751 | case V4L2_CID_AUDIO_VOLUME: | ||
1752 | if (desc->flags & CHIP_HAS_VOLUME) | ||
1753 | return v4l2_ctrl_query_fill(qc, 0, 65535, 65535 / 100, 58880); | ||
1754 | break; | ||
1755 | case V4L2_CID_AUDIO_BALANCE: | ||
1756 | if (desc->flags & CHIP_HAS_VOLUME) | ||
1757 | return v4l2_ctrl_query_fill(qc, 0, 65535, 65535 / 100, 32768); | ||
1758 | break; | ||
1759 | case V4L2_CID_AUDIO_BASS: | ||
1760 | case V4L2_CID_AUDIO_TREBLE: | ||
1761 | if (desc->flags & CHIP_HAS_BASSTREBLE) | ||
1762 | return v4l2_ctrl_query_fill(qc, 0, 65535, 65535 / 100, 32768); | ||
1763 | break; | ||
1764 | default: | ||
1765 | break; | ||
1766 | } | ||
1767 | return -EINVAL; | ||
1768 | } | ||
1769 | |||
1770 | static int tvaudio_s_routing(struct v4l2_subdev *sd, | ||
1771 | u32 input, u32 output, u32 config) | ||
1772 | { | ||
1773 | struct CHIPSTATE *chip = to_state(sd); | ||
1774 | struct CHIPDESC *desc = chip->desc; | ||
1775 | |||
1776 | if (!(desc->flags & CHIP_HAS_INPUTSEL)) | ||
1777 | return 0; | ||
1778 | if (input >= 4) | ||
1779 | return -EINVAL; | ||
1780 | /* There are four inputs: tuner, radio, extern and intern. */ | ||
1781 | chip->input = input; | ||
1782 | if (chip->muted) | ||
1783 | return 0; | ||
1784 | chip_write_masked(chip, desc->inputreg, | ||
1785 | desc->inputmap[chip->input], desc->inputmask); | ||
1786 | return 0; | ||
1787 | } | ||
1788 | |||
1789 | static int tvaudio_s_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) | ||
1790 | { | ||
1791 | struct CHIPSTATE *chip = to_state(sd); | ||
1792 | struct CHIPDESC *desc = chip->desc; | ||
1793 | int mode = 0; | ||
1794 | |||
1795 | if (!desc->setmode) | ||
1796 | return 0; | ||
1797 | if (chip->radio) | ||
1798 | return 0; | ||
1799 | |||
1800 | switch (vt->audmode) { | ||
1801 | case V4L2_TUNER_MODE_MONO: | ||
1802 | case V4L2_TUNER_MODE_STEREO: | ||
1803 | case V4L2_TUNER_MODE_LANG1: | ||
1804 | case V4L2_TUNER_MODE_LANG2: | ||
1805 | mode = vt->audmode; | ||
1806 | break; | ||
1807 | case V4L2_TUNER_MODE_LANG1_LANG2: | ||
1808 | mode = V4L2_TUNER_MODE_STEREO; | ||
1809 | break; | ||
1810 | default: | ||
1811 | return -EINVAL; | ||
1812 | } | ||
1813 | chip->audmode = vt->audmode; | ||
1814 | |||
1815 | if (mode) { | ||
1816 | chip->watch_stereo = 0; | ||
1817 | /* del_timer(&chip->wt); */ | ||
1818 | chip->mode = mode; | ||
1819 | desc->setmode(chip, mode); | ||
1820 | } | ||
1821 | return 0; | ||
1822 | } | ||
1823 | |||
1824 | static int tvaudio_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) | ||
1825 | { | ||
1826 | struct CHIPSTATE *chip = to_state(sd); | ||
1827 | struct CHIPDESC *desc = chip->desc; | ||
1828 | int mode = V4L2_TUNER_MODE_MONO; | ||
1829 | |||
1830 | if (!desc->getmode) | ||
1831 | return 0; | ||
1832 | if (chip->radio) | ||
1833 | return 0; | ||
1834 | |||
1835 | vt->audmode = chip->audmode; | ||
1836 | vt->rxsubchans = 0; | ||
1837 | vt->capability = V4L2_TUNER_CAP_STEREO | | ||
1838 | V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2; | ||
1839 | |||
1840 | mode = desc->getmode(chip); | ||
1841 | |||
1842 | if (mode & V4L2_TUNER_MODE_MONO) | ||
1843 | vt->rxsubchans |= V4L2_TUNER_SUB_MONO; | ||
1844 | if (mode & V4L2_TUNER_MODE_STEREO) | ||
1845 | vt->rxsubchans |= V4L2_TUNER_SUB_STEREO; | ||
1846 | /* Note: for SAP it should be mono/lang2 or stereo/lang2. | ||
1847 | When this module is converted fully to v4l2, then this | ||
1848 | should change for those chips that can detect SAP. */ | ||
1849 | if (mode & V4L2_TUNER_MODE_LANG1) | ||
1850 | vt->rxsubchans = V4L2_TUNER_SUB_LANG1 | | ||
1851 | V4L2_TUNER_SUB_LANG2; | ||
1852 | return 0; | ||
1853 | } | ||
1854 | |||
1855 | static int tvaudio_s_std(struct v4l2_subdev *sd, v4l2_std_id std) | ||
1856 | { | ||
1857 | struct CHIPSTATE *chip = to_state(sd); | ||
1858 | |||
1859 | chip->radio = 0; | ||
1860 | return 0; | ||
1861 | } | ||
1862 | |||
1863 | static int tvaudio_s_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *freq) | ||
1864 | { | ||
1865 | struct CHIPSTATE *chip = to_state(sd); | ||
1866 | struct CHIPDESC *desc = chip->desc; | ||
1867 | |||
1868 | chip->mode = 0; /* automatic */ | ||
1869 | |||
1870 | /* For chips that provide getmode and setmode, and doesn't | ||
1871 | automatically follows the stereo carrier, a kthread is | ||
1872 | created to set the audio standard. In this case, when then | ||
1873 | the video channel is changed, tvaudio starts on MONO mode. | ||
1874 | After waiting for 2 seconds, the kernel thread is called, | ||
1875 | to follow whatever audio standard is pointed by the | ||
1876 | audio carrier. | ||
1877 | */ | ||
1878 | if (chip->thread) { | ||
1879 | desc->setmode(chip, V4L2_TUNER_MODE_MONO); | ||
1880 | if (chip->prevmode != V4L2_TUNER_MODE_MONO) | ||
1881 | chip->prevmode = -1; /* reset previous mode */ | ||
1882 | mod_timer(&chip->wt, jiffies+msecs_to_jiffies(2000)); | ||
1883 | } | ||
1884 | return 0; | ||
1885 | } | ||
1886 | |||
1887 | static int tvaudio_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip) | ||
1888 | { | ||
1889 | struct i2c_client *client = v4l2_get_subdevdata(sd); | ||
1890 | |||
1891 | return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_TVAUDIO, 0); | ||
1892 | } | ||
1893 | |||
1894 | /* ----------------------------------------------------------------------- */ | ||
1895 | |||
1896 | static const struct v4l2_subdev_core_ops tvaudio_core_ops = { | ||
1897 | .g_chip_ident = tvaudio_g_chip_ident, | ||
1898 | .queryctrl = tvaudio_queryctrl, | ||
1899 | .g_ctrl = tvaudio_g_ctrl, | ||
1900 | .s_ctrl = tvaudio_s_ctrl, | ||
1901 | .s_std = tvaudio_s_std, | ||
1902 | }; | ||
1903 | |||
1904 | static const struct v4l2_subdev_tuner_ops tvaudio_tuner_ops = { | ||
1905 | .s_radio = tvaudio_s_radio, | ||
1906 | .s_frequency = tvaudio_s_frequency, | ||
1907 | .s_tuner = tvaudio_s_tuner, | ||
1908 | .g_tuner = tvaudio_g_tuner, | ||
1909 | }; | ||
1910 | |||
1911 | static const struct v4l2_subdev_audio_ops tvaudio_audio_ops = { | ||
1912 | .s_routing = tvaudio_s_routing, | ||
1913 | }; | ||
1914 | |||
1915 | static const struct v4l2_subdev_ops tvaudio_ops = { | ||
1916 | .core = &tvaudio_core_ops, | ||
1917 | .tuner = &tvaudio_tuner_ops, | ||
1918 | .audio = &tvaudio_audio_ops, | ||
1919 | }; | ||
1920 | |||
1921 | /* ----------------------------------------------------------------------- */ | ||
1922 | |||
1923 | |||
1924 | /* i2c registration */ | ||
1925 | |||
1926 | static int tvaudio_probe(struct i2c_client *client, const struct i2c_device_id *id) | ||
1927 | { | ||
1928 | struct CHIPSTATE *chip; | ||
1929 | struct CHIPDESC *desc; | ||
1930 | struct v4l2_subdev *sd; | ||
1931 | |||
1932 | if (debug) { | ||
1933 | printk(KERN_INFO "tvaudio: TV audio decoder + audio/video mux driver\n"); | ||
1934 | printk(KERN_INFO "tvaudio: known chips: "); | ||
1935 | for (desc = chiplist; desc->name != NULL; desc++) | ||
1936 | printk("%s%s", (desc == chiplist) ? "" : ", ", desc->name); | ||
1937 | printk("\n"); | ||
1938 | } | ||
1939 | |||
1940 | chip = kzalloc(sizeof(*chip), GFP_KERNEL); | ||
1941 | if (!chip) | ||
1942 | return -ENOMEM; | ||
1943 | sd = &chip->sd; | ||
1944 | v4l2_i2c_subdev_init(sd, client, &tvaudio_ops); | ||
1945 | |||
1946 | /* find description for the chip */ | ||
1947 | v4l2_dbg(1, debug, sd, "chip found @ 0x%x\n", client->addr<<1); | ||
1948 | for (desc = chiplist; desc->name != NULL; desc++) { | ||
1949 | if (0 == *(desc->insmodopt)) | ||
1950 | continue; | ||
1951 | if (client->addr < desc->addr_lo || | ||
1952 | client->addr > desc->addr_hi) | ||
1953 | continue; | ||
1954 | if (desc->checkit && !desc->checkit(chip)) | ||
1955 | continue; | ||
1956 | break; | ||
1957 | } | ||
1958 | if (desc->name == NULL) { | ||
1959 | v4l2_dbg(1, debug, sd, "no matching chip description found\n"); | ||
1960 | kfree(chip); | ||
1961 | return -EIO; | ||
1962 | } | ||
1963 | v4l2_info(sd, "%s found @ 0x%x (%s)\n", desc->name, client->addr<<1, client->adapter->name); | ||
1964 | if (desc->flags) { | ||
1965 | v4l2_dbg(1, debug, sd, "matches:%s%s%s.\n", | ||
1966 | (desc->flags & CHIP_HAS_VOLUME) ? " volume" : "", | ||
1967 | (desc->flags & CHIP_HAS_BASSTREBLE) ? " bass/treble" : "", | ||
1968 | (desc->flags & CHIP_HAS_INPUTSEL) ? " audiomux" : ""); | ||
1969 | } | ||
1970 | |||
1971 | /* fill required data structures */ | ||
1972 | if (!id) | ||
1973 | strlcpy(client->name, desc->name, I2C_NAME_SIZE); | ||
1974 | chip->desc = desc; | ||
1975 | chip->shadow.count = desc->registers+1; | ||
1976 | chip->prevmode = -1; | ||
1977 | chip->audmode = V4L2_TUNER_MODE_LANG1; | ||
1978 | |||
1979 | /* initialization */ | ||
1980 | if (desc->initialize != NULL) | ||
1981 | desc->initialize(chip); | ||
1982 | else | ||
1983 | chip_cmd(chip, "init", &desc->init); | ||
1984 | |||
1985 | if (desc->flags & CHIP_HAS_VOLUME) { | ||
1986 | if (!desc->volfunc) { | ||
1987 | /* This shouldn't be happen. Warn user, but keep working | ||
1988 | without volume controls | ||
1989 | */ | ||
1990 | v4l2_info(sd, "volume callback undefined!\n"); | ||
1991 | desc->flags &= ~CHIP_HAS_VOLUME; | ||
1992 | } else { | ||
1993 | chip->left = desc->leftinit ? desc->leftinit : 65535; | ||
1994 | chip->right = desc->rightinit ? desc->rightinit : 65535; | ||
1995 | chip_write(chip, desc->leftreg, | ||
1996 | desc->volfunc(chip->left)); | ||
1997 | chip_write(chip, desc->rightreg, | ||
1998 | desc->volfunc(chip->right)); | ||
1999 | } | ||
2000 | } | ||
2001 | if (desc->flags & CHIP_HAS_BASSTREBLE) { | ||
2002 | if (!desc->bassfunc || !desc->treblefunc) { | ||
2003 | /* This shouldn't be happen. Warn user, but keep working | ||
2004 | without bass/treble controls | ||
2005 | */ | ||
2006 | v4l2_info(sd, "bass/treble callbacks undefined!\n"); | ||
2007 | desc->flags &= ~CHIP_HAS_BASSTREBLE; | ||
2008 | } else { | ||
2009 | chip->treble = desc->trebleinit ? | ||
2010 | desc->trebleinit : 32768; | ||
2011 | chip->bass = desc->bassinit ? | ||
2012 | desc->bassinit : 32768; | ||
2013 | chip_write(chip, desc->bassreg, | ||
2014 | desc->bassfunc(chip->bass)); | ||
2015 | chip_write(chip, desc->treblereg, | ||
2016 | desc->treblefunc(chip->treble)); | ||
2017 | } | ||
2018 | } | ||
2019 | |||
2020 | chip->thread = NULL; | ||
2021 | init_timer(&chip->wt); | ||
2022 | if (desc->flags & CHIP_NEED_CHECKMODE) { | ||
2023 | if (!desc->getmode || !desc->setmode) { | ||
2024 | /* This shouldn't be happen. Warn user, but keep working | ||
2025 | without kthread | ||
2026 | */ | ||
2027 | v4l2_info(sd, "set/get mode callbacks undefined!\n"); | ||
2028 | return 0; | ||
2029 | } | ||
2030 | /* start async thread */ | ||
2031 | chip->wt.function = chip_thread_wake; | ||
2032 | chip->wt.data = (unsigned long)chip; | ||
2033 | chip->thread = kthread_run(chip_thread, chip, client->name); | ||
2034 | if (IS_ERR(chip->thread)) { | ||
2035 | v4l2_warn(sd, "failed to create kthread\n"); | ||
2036 | chip->thread = NULL; | ||
2037 | } | ||
2038 | } | ||
2039 | return 0; | ||
2040 | } | ||
2041 | |||
2042 | static int tvaudio_remove(struct i2c_client *client) | ||
2043 | { | ||
2044 | struct v4l2_subdev *sd = i2c_get_clientdata(client); | ||
2045 | struct CHIPSTATE *chip = to_state(sd); | ||
2046 | |||
2047 | del_timer_sync(&chip->wt); | ||
2048 | if (chip->thread) { | ||
2049 | /* shutdown async thread */ | ||
2050 | kthread_stop(chip->thread); | ||
2051 | chip->thread = NULL; | ||
2052 | } | ||
2053 | |||
2054 | v4l2_device_unregister_subdev(sd); | ||
2055 | kfree(chip); | ||
2056 | return 0; | ||
2057 | } | ||
2058 | |||
2059 | /* This driver supports many devices and the idea is to let the driver | ||
2060 | detect which device is present. So rather than listing all supported | ||
2061 | devices here, we pretend to support a single, fake device type. */ | ||
2062 | static const struct i2c_device_id tvaudio_id[] = { | ||
2063 | { "tvaudio", 0 }, | ||
2064 | { } | ||
2065 | }; | ||
2066 | MODULE_DEVICE_TABLE(i2c, tvaudio_id); | ||
2067 | |||
2068 | static struct i2c_driver tvaudio_driver = { | ||
2069 | .driver = { | ||
2070 | .owner = THIS_MODULE, | ||
2071 | .name = "tvaudio", | ||
2072 | }, | ||
2073 | .probe = tvaudio_probe, | ||
2074 | .remove = tvaudio_remove, | ||
2075 | .id_table = tvaudio_id, | ||
2076 | }; | ||
2077 | |||
2078 | static __init int init_tvaudio(void) | ||
2079 | { | ||
2080 | return i2c_add_driver(&tvaudio_driver); | ||
2081 | } | ||
2082 | |||
2083 | static __exit void exit_tvaudio(void) | ||
2084 | { | ||
2085 | i2c_del_driver(&tvaudio_driver); | ||
2086 | } | ||
2087 | |||
2088 | module_init(init_tvaudio); | ||
2089 | module_exit(exit_tvaudio); | ||