2
* Handlers for board audio hooks, splitted from bttv-cards
4
* Copyright (c) 2006 Mauro Carvalho Chehab (mchehab@infradead.org)
5
* This code is placed under the terms of the GNU General Public License
8
#include "bttv-audio-hook.h"
10
#include <linux/delay.h>
12
/* ----------------------------------------------------------------------- */
15
void winview_volume(struct bttv *btv, __u16 volume)
17
/* PT2254A programming Jon Tombs, jon@gte.esi.us.es */
18
int bits_out, loops, vol, data;
20
/* 32 levels logarithmic */
21
vol = 32 - ((volume>>11));
23
bits_out = (PT2254_DBS_IN_2>>(vol%5));
25
bits_out |= (PT2254_DBS_IN_10>>(vol/5));
26
bits_out |= PT2254_L_CHANNEL | PT2254_R_CHANNEL;
28
data &= ~(WINVIEW_PT2254_CLK| WINVIEW_PT2254_DATA|
29
WINVIEW_PT2254_STROBE);
30
for (loops = 17; loops >= 0 ; loops--) {
31
if (bits_out & (1<<loops))
32
data |= WINVIEW_PT2254_DATA;
34
data &= ~WINVIEW_PT2254_DATA;
37
data |= WINVIEW_PT2254_CLK;
40
data &= ~WINVIEW_PT2254_CLK;
43
data |= WINVIEW_PT2254_STROBE;
44
data &= ~WINVIEW_PT2254_DATA;
47
data &= ~WINVIEW_PT2254_STROBE;
51
/* ----------------------------------------------------------------------- */
52
/* mono/stereo control for various cards (which don't use i2c chips but */
53
/* connect something to the GPIO pins */
55
void gvbctv3pci_audio(struct bttv *btv, struct v4l2_tuner *t, int set)
60
gpio_inout(0x300, 0x300);
61
if (t->audmode & V4L2_TUNER_MODE_LANG1)
63
if (t->audmode & V4L2_TUNER_MODE_LANG2)
65
if (t->audmode & V4L2_TUNER_MODE_STEREO)
67
/* if (t->audmode & V4L2_TUNER_MODE_MONO)
69
gpio_bits(0x300, con);
71
t->audmode = V4L2_TUNER_MODE_STEREO |
72
V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2;
76
void gvbctv5pci_audio(struct bttv *btv, struct v4l2_tuner *t, int set)
78
unsigned int val, con;
86
if (t->audmode & V4L2_TUNER_MODE_LANG2) {
87
if (t->audmode & V4L2_TUNER_MODE_LANG1) {
96
if (con != (val & 0x300)) {
97
gpio_bits(0x300, con);
99
bttv_gpio_tracking(btv,"gvbctv5pci");
102
switch (val & 0x70) {
104
t->rxsubchans = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
107
t->rxsubchans = V4L2_TUNER_SUB_LANG2;
110
t->rxsubchans = V4L2_TUNER_SUB_LANG1;
113
t->rxsubchans = V4L2_TUNER_SUB_STEREO;
116
t->rxsubchans = V4L2_TUNER_SUB_MONO;
119
t->rxsubchans = V4L2_TUNER_SUB_MONO |
120
V4L2_TUNER_SUB_STEREO |
121
V4L2_TUNER_SUB_LANG1 |
122
V4L2_TUNER_SUB_LANG2;
124
t->audmode = V4L2_TUNER_MODE_STEREO |
125
V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2;
130
* Mario Medina Nussbaum <medisoft@alohabbs.org.mx>
131
* I discover that on BT848_GPIO_DATA address a byte 0xcce enable stereo,
132
* 0xdde enables mono and 0xccd enables sap
134
* Petr Vandrovec <VANDROVE@vc.cvut.cz>
135
* P.S.: At least mask in line above is wrong - GPIO pins 3,2 select
136
* input/output sound connection, so both must be set for output mode.
138
* Looks like it's needed only for the "tvphone", the "tvphone 98"
139
* handles this with a tda9840
143
void avermedia_tvphone_audio(struct bttv *btv, struct v4l2_tuner *t, int set)
148
if (t->audmode & V4L2_TUNER_MODE_LANG2) /* SAP */
150
if (t->audmode & V4L2_TUNER_MODE_STEREO)
155
bttv_gpio_tracking(btv,"avermedia");
158
t->audmode = V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO |
159
V4L2_TUNER_MODE_LANG1;
165
void avermedia_tv_stereo_audio(struct bttv *btv, struct v4l2_tuner *t, int set)
170
if (t->audmode & V4L2_TUNER_MODE_LANG2) /* SAP */
172
if (t->audmode & V4L2_TUNER_MODE_STEREO) /* STEREO */
174
btaor(val, ~0x03, BT848_GPIO_DATA);
176
bttv_gpio_tracking(btv,"avermedia");
178
t->audmode = V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO |
179
V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2;
184
/* Lifetec 9415 handling */
186
void lt9415_audio(struct bttv *btv, struct v4l2_tuner *t, int set)
190
if (gpio_read() & 0x4000) {
191
t->audmode = V4L2_TUNER_MODE_MONO;
196
if (t->audmode & V4L2_TUNER_MODE_LANG2) /* A2 SAP */
198
if (t->audmode & V4L2_TUNER_MODE_STEREO) /* A2 stereo */
200
if ((t->audmode & V4L2_TUNER_MODE_LANG1) ||
201
(t->audmode & V4L2_TUNER_MODE_MONO))
203
gpio_bits(0x0880, val);
205
bttv_gpio_tracking(btv,"lt9415");
207
/* autodetect doesn't work with this card :-( */
208
t->audmode = V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO |
209
V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2;
214
/* TDA9821 on TerraTV+ Bt848, Bt878 */
215
void terratv_audio(struct bttv *btv, struct v4l2_tuner *t, int set)
217
unsigned int con = 0;
220
gpio_inout(0x180000,0x180000);
221
if (t->audmode & V4L2_TUNER_MODE_LANG2)
223
if (t->audmode & V4L2_TUNER_MODE_STEREO)
225
gpio_bits(0x180000, con);
227
bttv_gpio_tracking(btv,"terratv");
229
t->audmode = V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO |
230
V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2;
235
void winfast2000_audio(struct bttv *btv, struct v4l2_tuner *t, int set)
237
unsigned long val = 0;
240
/*btor (0xc32000, BT848_GPIO_OUT_EN);*/
241
if (t->audmode & V4L2_TUNER_MODE_MONO) /* Mono */
243
if (t->audmode & V4L2_TUNER_MODE_LANG1) /* Mono */
245
if (t->audmode & V4L2_TUNER_MODE_LANG2) /* SAP */
247
if (t->audmode & V4L2_TUNER_MODE_STEREO) /* Stereo */
250
gpio_bits(0x430000, val);
252
bttv_gpio_tracking(btv,"winfast2000");
255
t->audmode = V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO |
256
V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2;
261
* Dariusz Kowalewski <darekk@automex.pl>
262
* sound control for Prolink PV-BT878P+9B (PixelView PlayTV Pro FM+NICAM
263
* revision 9B has on-board TDA9874A sound decoder).
265
* Note: There are card variants without tda9874a. Forcing the "stereo sound route"
266
* will mute this cards.
268
void pvbt878p9b_audio(struct bttv *btv, struct v4l2_tuner *t, int set)
270
unsigned int val = 0;
276
if (t->audmode & V4L2_TUNER_MODE_MONO) {
279
if ((t->audmode & (V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2))
280
|| (t->audmode & V4L2_TUNER_MODE_STEREO)) {
286
bttv_gpio_tracking(btv,"pvbt878p9b");
289
t->audmode = V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO |
290
V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2;
295
* Dariusz Kowalewski <darekk@automex.pl>
296
* sound control for FlyVideo 2000S (with tda9874 decoder)
297
* based on pvbt878p9b_audio() - this is not tested, please fix!!!
299
void fv2000s_audio(struct bttv *btv, struct v4l2_tuner *t, int set)
301
unsigned int val = 0xffff;
307
if (t->audmode & V4L2_TUNER_MODE_MONO) {
310
if ((t->audmode & (V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2))
311
|| (t->audmode & V4L2_TUNER_MODE_STEREO)) {
312
val = 0x1080; /*-dk-???: 0x0880, 0x0080, 0x1800 ... */
315
gpio_bits(0x1800, val);
317
bttv_gpio_tracking(btv,"fv2000s");
320
t->audmode = V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO |
321
V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2;
326
* sound control for Canopus WinDVR PCI
327
* Masaki Suzuki <masaki@btree.org>
329
void windvr_audio(struct bttv *btv, struct v4l2_tuner *t, int set)
331
unsigned long val = 0;
334
if (t->audmode & V4L2_TUNER_MODE_MONO)
336
if (t->audmode & V4L2_TUNER_MODE_LANG1)
338
if (t->audmode & V4L2_TUNER_MODE_LANG2)
340
if (t->audmode & V4L2_TUNER_MODE_STEREO)
343
gpio_bits(0x140000, val);
345
bttv_gpio_tracking(btv,"windvr");
348
t->audmode = V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO |
349
V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2;
354
* sound control for AD-TVK503
355
* Hiroshi Takekawa <sian@big.or.jp>
357
void adtvk503_audio(struct bttv *btv, struct v4l2_tuner *t, int set)
359
unsigned int con = 0xffffff;
361
/* btaor(0x1e0000, ~0x1e0000, BT848_GPIO_OUT_EN); */
364
/* btor(***, BT848_GPIO_OUT_EN); */
365
if (t->audmode & V4L2_TUNER_MODE_LANG1)
367
if (t->audmode & V4L2_TUNER_MODE_LANG2)
369
if (t->audmode & V4L2_TUNER_MODE_STEREO)
371
if (t->audmode & V4L2_TUNER_MODE_MONO)
373
if (con != 0xffffff) {
374
gpio_bits(0x1e0000,con);
376
bttv_gpio_tracking(btv, "adtvk503");
379
t->audmode = V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO |
380
V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2;