1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
|
/*
* Handlers for board audio hooks, splitted from bttv-cards
*
* Copyright (c) 2006 Mauro Carvalho Chehab <mchehab@kernel.org>
* This code is placed under the terms of the GNU General Public License
*/
#include "bttv-audio-hook.h"
#include <linux/delay.h>
/* ----------------------------------------------------------------------- */
/* winview */
void winview_volume(struct bttv *btv, __u16 volume)
{
/* PT2254A programming Jon Tombs, jon@gte.esi.us.es */
int bits_out, loops, vol, data;
/* 32 levels logarithmic */
vol = 32 - ((volume>>11));
/* units */
bits_out = (PT2254_DBS_IN_2>>(vol%5));
/* tens */
bits_out |= (PT2254_DBS_IN_10>>(vol/5));
bits_out |= PT2254_L_CHANNEL | PT2254_R_CHANNEL;
data = gpio_read();
data &= ~(WINVIEW_PT2254_CLK| WINVIEW_PT2254_DATA|
WINVIEW_PT2254_STROBE);
for (loops = 17; loops >= 0 ; loops--) {
if (bits_out & (1<<loops))
data |= WINVIEW_PT2254_DATA;
else
data &= ~WINVIEW_PT2254_DATA;
gpio_write(data);
udelay(5);
data |= WINVIEW_PT2254_CLK;
gpio_write(data);
udelay(5);
data &= ~WINVIEW_PT2254_CLK;
gpio_write(data);
}
data |= WINVIEW_PT2254_STROBE;
data &= ~WINVIEW_PT2254_DATA;
gpio_write(data);
udelay(10);
data &= ~WINVIEW_PT2254_STROBE;
gpio_write(data);
}
/* ----------------------------------------------------------------------- */
/* mono/stereo control for various cards (which don't use i2c chips but */
/* connect something to the GPIO pins */
void gvbctv3pci_audio(struct bttv *btv, struct v4l2_tuner *t, int set)
{
unsigned int con;
if (!set) {
/* Not much to do here */
t->audmode = V4L2_TUNER_MODE_LANG1;
t->rxsubchans = V4L2_TUNER_SUB_MONO |
V4L2_TUNER_SUB_STEREO |
V4L2_TUNER_SUB_LANG1 |
V4L2_TUNER_SUB_LANG2;
return;
}
gpio_inout(0x300, 0x300);
switch (t->audmode) {
case V4L2_TUNER_MODE_LANG1:
default:
con = 0x000;
break;
case V4L2_TUNER_MODE_LANG2:
con = 0x300;
break;
case V4L2_TUNER_MODE_STEREO:
con = 0x200;
break;
}
gpio_bits(0x300, con);
}
void gvbctv5pci_audio(struct bttv *btv, struct v4l2_tuner *t, int set)
{
unsigned int val, con;
if (btv->radio_user)
return;
val = gpio_read();
if (set) {
switch (t->audmode) {
case V4L2_TUNER_MODE_LANG2:
con = 0x300;
break;
case V4L2_TUNER_MODE_LANG1_LANG2:
con = 0x100;
break;
default:
con = 0x000;
break;
}
if (con != (val & 0x300)) {
gpio_bits(0x300, con);
if (bttv_gpio)
bttv_gpio_tracking(btv, "gvbctv5pci");
}
} else {
switch (val & 0x70) {
case 0x10:
t->rxsubchans = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
t->audmode = V4L2_TUNER_MODE_LANG1_LANG2;
break;
case 0x30:
t->rxsubchans = V4L2_TUNER_SUB_LANG2;
t->audmode = V4L2_TUNER_MODE_LANG1_LANG2;
break;
case 0x50:
t->rxsubchans = V4L2_TUNER_SUB_LANG1;
t->audmode = V4L2_TUNER_MODE_LANG1_LANG2;
break;
case 0x60:
t->rxsubchans = V4L2_TUNER_SUB_STEREO;
t->audmode = V4L2_TUNER_MODE_STEREO;
break;
case 0x70:
t->rxsubchans = V4L2_TUNER_SUB_MONO;
t->audmode = V4L2_TUNER_MODE_MONO;
break;
default:
t->rxsubchans = V4L2_TUNER_SUB_MONO |
V4L2_TUNER_SUB_STEREO |
V4L2_TUNER_SUB_LANG1 |
V4L2_TUNER_SUB_LANG2;
t->audmode = V4L2_TUNER_MODE_LANG1;
}
}
}
/*
* Mario Medina Nussbaum <medisoft@alohabbs.org.mx>
* I discover that on BT848_GPIO_DATA address a byte 0xcce enable stereo,
* 0xdde enables mono and 0xccd enables sap
*
* Petr Vandrovec <VANDROVE@vc.cvut.cz>
* P.S.: At least mask in line above is wrong - GPIO pins 3,2 select
* input/output sound connection, so both must be set for output mode.
*
* Looks like it's needed only for the "tvphone", the "tvphone 98"
* handles this with a tda9840
*
*/
void avermedia_tvphone_audio(struct bttv *btv, struct v4l2_tuner *t, int set)
{
int val;
if (!set) {
/* Not much to do here */
t->audmode = V4L2_TUNER_MODE_LANG1;
t->rxsubchans = V4L2_TUNER_SUB_MONO |
V4L2_TUNER_SUB_STEREO |
V4L2_TUNER_SUB_LANG1 |
V4L2_TUNER_SUB_LANG2;
return;
}
switch (t->audmode) {
case V4L2_TUNER_MODE_LANG2: /* SAP */
val = 0x02;
break;
case V4L2_TUNER_MODE_STEREO:
val = 0x01;
break;
default:
return;
}
gpio_bits(0x03, val);
if (bttv_gpio)
bttv_gpio_tracking(btv, "avermedia");
}
void avermedia_tv_stereo_audio(struct bttv *btv, struct v4l2_tuner *t, int set)
{
int val = 0;
if (!set) {
/* Not much to do here */
t->audmode = V4L2_TUNER_MODE_LANG1;
t->rxsubchans = V4L2_TUNER_SUB_MONO |
V4L2_TUNER_SUB_STEREO |
V4L2_TUNER_SUB_LANG1 |
V4L2_TUNER_SUB_LANG2;
return;
}
switch (t->audmode) {
case V4L2_TUNER_MODE_LANG2: /* SAP */
val = 0x01;
break;
case V4L2_TUNER_MODE_STEREO:
val = 0x02;
break;
default:
val = 0;
break;
}
btaor(val, ~0x03, BT848_GPIO_DATA);
if (bttv_gpio)
bttv_gpio_tracking(btv, "avermedia");
}
/* Lifetec 9415 handling */
void lt9415_audio(struct bttv *btv, struct v4l2_tuner *t, int set)
{
int val = 0;
if (gpio_read() & 0x4000) {
t->audmode = V4L2_TUNER_MODE_MONO;
return;
}
if (!set) {
/* Not much to do here */
t->audmode = V4L2_TUNER_MODE_LANG1;
t->rxsubchans = V4L2_TUNER_SUB_MONO |
V4L2_TUNER_SUB_STEREO |
V4L2_TUNER_SUB_LANG1 |
V4L2_TUNER_SUB_LANG2;
return;
}
switch (t->audmode) {
case V4L2_TUNER_MODE_LANG2: /* A2 SAP */
val = 0x0080;
break;
case V4L2_TUNER_MODE_STEREO: /* A2 stereo */
val = 0x0880;
break;
default:
val = 0;
break;
}
gpio_bits(0x0880, val);
if (bttv_gpio)
bttv_gpio_tracking(btv, "lt9415");
}
/* TDA9821 on TerraTV+ Bt848, Bt878 */
void terratv_audio(struct bttv *btv, struct v4l2_tuner *t, int set)
{
unsigned int con = 0;
if (!set) {
/* Not much to do here */
t->audmode = V4L2_TUNER_MODE_LANG1;
t->rxsubchans = V4L2_TUNER_SUB_MONO |
V4L2_TUNER_SUB_STEREO |
V4L2_TUNER_SUB_LANG1 |
V4L2_TUNER_SUB_LANG2;
return;
}
gpio_inout(0x180000, 0x180000);
switch (t->audmode) {
case V4L2_TUNER_MODE_LANG2:
con = 0x080000;
break;
case V4L2_TUNER_MODE_STEREO:
con = 0x180000;
break;
default:
con = 0;
break;
}
gpio_bits(0x180000, con);
if (bttv_gpio)
bttv_gpio_tracking(btv, "terratv");
}
void winfast2000_audio(struct bttv *btv, struct v4l2_tuner *t, int set)
{
unsigned long val;
if (!set) {
/* Not much to do here */
t->audmode = V4L2_TUNER_MODE_LANG1;
t->rxsubchans = V4L2_TUNER_SUB_MONO |
V4L2_TUNER_SUB_STEREO |
V4L2_TUNER_SUB_LANG1 |
V4L2_TUNER_SUB_LANG2;
return;
}
/*btor (0xc32000, BT848_GPIO_OUT_EN);*/
switch (t->audmode) {
case V4L2_TUNER_MODE_MONO:
case V4L2_TUNER_MODE_LANG1:
val = 0x420000;
break;
case V4L2_TUNER_MODE_LANG2: /* SAP */
val = 0x410000;
break;
case V4L2_TUNER_MODE_STEREO:
val = 0x020000;
break;
default:
return;
}
gpio_bits(0x430000, val);
if (bttv_gpio)
bttv_gpio_tracking(btv, "winfast2000");
}
/*
* Dariusz Kowalewski <darekk@automex.pl>
* sound control for Prolink PV-BT878P+9B (PixelView PlayTV Pro FM+NICAM
* revision 9B has on-board TDA9874A sound decoder).
*
* Note: There are card variants without tda9874a. Forcing the "stereo sound route"
* will mute this cards.
*/
void pvbt878p9b_audio(struct bttv *btv, struct v4l2_tuner *t, int set)
{
unsigned int val = 0;
if (btv->radio_user)
return;
if (!set) {
/* Not much to do here */
t->audmode = V4L2_TUNER_MODE_LANG1;
t->rxsubchans = V4L2_TUNER_SUB_MONO |
V4L2_TUNER_SUB_STEREO |
V4L2_TUNER_SUB_LANG1 |
V4L2_TUNER_SUB_LANG2;
return;
}
switch (t->audmode) {
case V4L2_TUNER_MODE_MONO:
val = 0x01;
break;
case V4L2_TUNER_MODE_LANG1:
case V4L2_TUNER_MODE_LANG2:
case V4L2_TUNER_MODE_STEREO:
val = 0x02;
break;
default:
return;
}
gpio_bits(0x03, val);
if (bttv_gpio)
bttv_gpio_tracking(btv, "pvbt878p9b");
}
/*
* Dariusz Kowalewski <darekk@automex.pl>
* sound control for FlyVideo 2000S (with tda9874 decoder)
* based on pvbt878p9b_audio() - this is not tested, please fix!!!
*/
void fv2000s_audio(struct bttv *btv, struct v4l2_tuner *t, int set)
{
unsigned int val;
if (btv->radio_user)
return;
if (!set) {
/* Not much to do here */
t->audmode = V4L2_TUNER_MODE_LANG1;
t->rxsubchans = V4L2_TUNER_SUB_MONO |
V4L2_TUNER_SUB_STEREO |
V4L2_TUNER_SUB_LANG1 |
V4L2_TUNER_SUB_LANG2;
return;
}
switch (t->audmode) {
case V4L2_TUNER_MODE_MONO:
val = 0x0000;
break;
case V4L2_TUNER_MODE_LANG1:
case V4L2_TUNER_MODE_LANG2:
case V4L2_TUNER_MODE_STEREO:
val = 0x1080; /*-dk-???: 0x0880, 0x0080, 0x1800 ... */
break;
default:
return;
}
gpio_bits(0x1800, val);
if (bttv_gpio)
bttv_gpio_tracking(btv, "fv2000s");
}
/*
* sound control for Canopus WinDVR PCI
* Masaki Suzuki <masaki@btree.org>
*/
void windvr_audio(struct bttv *btv, struct v4l2_tuner *t, int set)
{
unsigned long val;
if (!set) {
/* Not much to do here */
t->audmode = V4L2_TUNER_MODE_LANG1;
t->rxsubchans = V4L2_TUNER_SUB_MONO |
V4L2_TUNER_SUB_STEREO |
V4L2_TUNER_SUB_LANG1 |
V4L2_TUNER_SUB_LANG2;
return;
}
switch (t->audmode) {
case V4L2_TUNER_MODE_MONO:
val = 0x040000;
break;
case V4L2_TUNER_MODE_LANG2:
val = 0x100000;
break;
default:
return;
}
gpio_bits(0x140000, val);
if (bttv_gpio)
bttv_gpio_tracking(btv, "windvr");
}
/*
* sound control for AD-TVK503
* Hiroshi Takekawa <sian@big.or.jp>
*/
void adtvk503_audio(struct bttv *btv, struct v4l2_tuner *t, int set)
{
unsigned int con = 0xffffff;
/* btaor(0x1e0000, ~0x1e0000, BT848_GPIO_OUT_EN); */
if (!set) {
/* Not much to do here */
t->audmode = V4L2_TUNER_MODE_LANG1;
t->rxsubchans = V4L2_TUNER_SUB_MONO |
V4L2_TUNER_SUB_STEREO |
V4L2_TUNER_SUB_LANG1 |
V4L2_TUNER_SUB_LANG2;
return;
}
/* btor(***, BT848_GPIO_OUT_EN); */
switch (t->audmode) {
case V4L2_TUNER_MODE_LANG1:
con = 0x00000000;
break;
case V4L2_TUNER_MODE_LANG2:
con = 0x00180000;
break;
case V4L2_TUNER_MODE_STEREO:
con = 0x00000000;
break;
case V4L2_TUNER_MODE_MONO:
con = 0x00060000;
break;
default:
return;
}
gpio_bits(0x1e0000, con);
if (bttv_gpio)
bttv_gpio_tracking(btv, "adtvk503");
}
|
