1 // SPDX-License-Identifier: GPL-2.0
3 * Handlers for board audio hooks, split from bttv-cards
5 * Copyright (c) 2006 Mauro Carvalho Chehab <mchehab@kernel.org>
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 /* Not much to do here */
61 t->audmode = V4L2_TUNER_MODE_LANG1;
62 t->rxsubchans = V4L2_TUNER_SUB_MONO |
63 V4L2_TUNER_SUB_STEREO |
64 V4L2_TUNER_SUB_LANG1 |
70 gpio_inout(0x300, 0x300);
72 case V4L2_TUNER_MODE_LANG1:
76 case V4L2_TUNER_MODE_LANG2:
79 case V4L2_TUNER_MODE_STEREO:
83 gpio_bits(0x300, con);
86 void gvbctv5pci_audio(struct bttv *btv, struct v4l2_tuner *t, int set)
88 unsigned int val, con;
96 case V4L2_TUNER_MODE_LANG2:
99 case V4L2_TUNER_MODE_LANG1_LANG2:
106 if (con != (val & 0x300)) {
107 gpio_bits(0x300, con);
109 bttv_gpio_tracking(btv, "gvbctv5pci");
112 switch (val & 0x70) {
114 t->rxsubchans = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
115 t->audmode = V4L2_TUNER_MODE_LANG1_LANG2;
118 t->rxsubchans = V4L2_TUNER_SUB_LANG2;
119 t->audmode = V4L2_TUNER_MODE_LANG1_LANG2;
122 t->rxsubchans = V4L2_TUNER_SUB_LANG1;
123 t->audmode = V4L2_TUNER_MODE_LANG1_LANG2;
126 t->rxsubchans = V4L2_TUNER_SUB_STEREO;
127 t->audmode = V4L2_TUNER_MODE_STEREO;
130 t->rxsubchans = V4L2_TUNER_SUB_MONO;
131 t->audmode = V4L2_TUNER_MODE_MONO;
134 t->rxsubchans = V4L2_TUNER_SUB_MONO |
135 V4L2_TUNER_SUB_STEREO |
136 V4L2_TUNER_SUB_LANG1 |
137 V4L2_TUNER_SUB_LANG2;
138 t->audmode = V4L2_TUNER_MODE_LANG1;
144 * Mario Medina Nussbaum <medisoft@alohabbs.org.mx>
145 * I discover that on BT848_GPIO_DATA address a byte 0xcce enable stereo,
146 * 0xdde enables mono and 0xccd enables sap
148 * Petr Vandrovec <VANDROVE@vc.cvut.cz>
149 * P.S.: At least mask in line above is wrong - GPIO pins 3,2 select
150 * input/output sound connection, so both must be set for output mode.
152 * Looks like it's needed only for the "tvphone", the "tvphone 98"
153 * handles this with a tda9840
157 void avermedia_tvphone_audio(struct bttv *btv, struct v4l2_tuner *t, int set)
162 /* Not much to do here */
163 t->audmode = V4L2_TUNER_MODE_LANG1;
164 t->rxsubchans = V4L2_TUNER_SUB_MONO |
165 V4L2_TUNER_SUB_STEREO |
166 V4L2_TUNER_SUB_LANG1 |
167 V4L2_TUNER_SUB_LANG2;
172 switch (t->audmode) {
173 case V4L2_TUNER_MODE_LANG2: /* SAP */
176 case V4L2_TUNER_MODE_STEREO:
182 gpio_bits(0x03, val);
184 bttv_gpio_tracking(btv, "avermedia");
188 void avermedia_tv_stereo_audio(struct bttv *btv, struct v4l2_tuner *t, int set)
193 /* Not much to do here */
194 t->audmode = V4L2_TUNER_MODE_LANG1;
195 t->rxsubchans = V4L2_TUNER_SUB_MONO |
196 V4L2_TUNER_SUB_STEREO |
197 V4L2_TUNER_SUB_LANG1 |
198 V4L2_TUNER_SUB_LANG2;
203 switch (t->audmode) {
204 case V4L2_TUNER_MODE_LANG2: /* SAP */
207 case V4L2_TUNER_MODE_STEREO:
214 btaor(val, ~0x03, BT848_GPIO_DATA);
216 bttv_gpio_tracking(btv, "avermedia");
219 /* Lifetec 9415 handling */
221 void lt9415_audio(struct bttv *btv, struct v4l2_tuner *t, int set)
225 if (gpio_read() & 0x4000) {
226 t->audmode = V4L2_TUNER_MODE_MONO;
231 /* Not much to do here */
232 t->audmode = V4L2_TUNER_MODE_LANG1;
233 t->rxsubchans = V4L2_TUNER_SUB_MONO |
234 V4L2_TUNER_SUB_STEREO |
235 V4L2_TUNER_SUB_LANG1 |
236 V4L2_TUNER_SUB_LANG2;
241 switch (t->audmode) {
242 case V4L2_TUNER_MODE_LANG2: /* A2 SAP */
245 case V4L2_TUNER_MODE_STEREO: /* A2 stereo */
253 gpio_bits(0x0880, val);
255 bttv_gpio_tracking(btv, "lt9415");
258 /* TDA9821 on TerraTV+ Bt848, Bt878 */
259 void terratv_audio(struct bttv *btv, struct v4l2_tuner *t, int set)
261 unsigned int con = 0;
264 /* Not much to do here */
265 t->audmode = V4L2_TUNER_MODE_LANG1;
266 t->rxsubchans = V4L2_TUNER_SUB_MONO |
267 V4L2_TUNER_SUB_STEREO |
268 V4L2_TUNER_SUB_LANG1 |
269 V4L2_TUNER_SUB_LANG2;
274 gpio_inout(0x180000, 0x180000);
275 switch (t->audmode) {
276 case V4L2_TUNER_MODE_LANG2:
279 case V4L2_TUNER_MODE_STEREO:
286 gpio_bits(0x180000, con);
288 bttv_gpio_tracking(btv, "terratv");
292 void winfast2000_audio(struct bttv *btv, struct v4l2_tuner *t, int set)
297 /* Not much to do here */
298 t->audmode = V4L2_TUNER_MODE_LANG1;
299 t->rxsubchans = V4L2_TUNER_SUB_MONO |
300 V4L2_TUNER_SUB_STEREO |
301 V4L2_TUNER_SUB_LANG1 |
302 V4L2_TUNER_SUB_LANG2;
307 /*btor (0xc32000, BT848_GPIO_OUT_EN);*/
308 switch (t->audmode) {
309 case V4L2_TUNER_MODE_MONO:
310 case V4L2_TUNER_MODE_LANG1:
313 case V4L2_TUNER_MODE_LANG2: /* SAP */
316 case V4L2_TUNER_MODE_STEREO:
323 gpio_bits(0x430000, val);
325 bttv_gpio_tracking(btv, "winfast2000");
329 * Dariusz Kowalewski <darekk@automex.pl>
330 * sound control for Prolink PV-BT878P+9B (PixelView PlayTV Pro FM+NICAM
331 * revision 9B has on-board TDA9874A sound decoder).
333 * Note: There are card variants without tda9874a. Forcing the "stereo sound route"
334 * will mute this cards.
336 void pvbt878p9b_audio(struct bttv *btv, struct v4l2_tuner *t, int set)
338 unsigned int val = 0;
344 /* Not much to do here */
345 t->audmode = V4L2_TUNER_MODE_LANG1;
346 t->rxsubchans = V4L2_TUNER_SUB_MONO |
347 V4L2_TUNER_SUB_STEREO |
348 V4L2_TUNER_SUB_LANG1 |
349 V4L2_TUNER_SUB_LANG2;
354 switch (t->audmode) {
355 case V4L2_TUNER_MODE_MONO:
358 case V4L2_TUNER_MODE_LANG1:
359 case V4L2_TUNER_MODE_LANG2:
360 case V4L2_TUNER_MODE_STEREO:
367 gpio_bits(0x03, val);
369 bttv_gpio_tracking(btv, "pvbt878p9b");
373 * Dariusz Kowalewski <darekk@automex.pl>
374 * sound control for FlyVideo 2000S (with tda9874 decoder)
375 * based on pvbt878p9b_audio() - this is not tested, please fix!!!
377 void fv2000s_audio(struct bttv *btv, struct v4l2_tuner *t, int set)
385 /* Not much to do here */
386 t->audmode = V4L2_TUNER_MODE_LANG1;
387 t->rxsubchans = V4L2_TUNER_SUB_MONO |
388 V4L2_TUNER_SUB_STEREO |
389 V4L2_TUNER_SUB_LANG1 |
390 V4L2_TUNER_SUB_LANG2;
395 switch (t->audmode) {
396 case V4L2_TUNER_MODE_MONO:
399 case V4L2_TUNER_MODE_LANG1:
400 case V4L2_TUNER_MODE_LANG2:
401 case V4L2_TUNER_MODE_STEREO:
402 val = 0x1080; /*-dk-???: 0x0880, 0x0080, 0x1800 ... */
407 gpio_bits(0x1800, val);
409 bttv_gpio_tracking(btv, "fv2000s");
413 * sound control for Canopus WinDVR PCI
414 * Masaki Suzuki <masaki@btree.org>
416 void windvr_audio(struct bttv *btv, struct v4l2_tuner *t, int set)
421 /* Not much to do here */
422 t->audmode = V4L2_TUNER_MODE_LANG1;
423 t->rxsubchans = V4L2_TUNER_SUB_MONO |
424 V4L2_TUNER_SUB_STEREO |
425 V4L2_TUNER_SUB_LANG1 |
426 V4L2_TUNER_SUB_LANG2;
431 switch (t->audmode) {
432 case V4L2_TUNER_MODE_MONO:
435 case V4L2_TUNER_MODE_LANG2:
442 gpio_bits(0x140000, val);
444 bttv_gpio_tracking(btv, "windvr");
448 * sound control for AD-TVK503
449 * Hiroshi Takekawa <sian@big.or.jp>
451 void adtvk503_audio(struct bttv *btv, struct v4l2_tuner *t, int set)
453 unsigned int con = 0xffffff;
455 /* btaor(0x1e0000, ~0x1e0000, BT848_GPIO_OUT_EN); */
458 /* Not much to do here */
459 t->audmode = V4L2_TUNER_MODE_LANG1;
460 t->rxsubchans = V4L2_TUNER_SUB_MONO |
461 V4L2_TUNER_SUB_STEREO |
462 V4L2_TUNER_SUB_LANG1 |
463 V4L2_TUNER_SUB_LANG2;
468 /* btor(***, BT848_GPIO_OUT_EN); */
469 switch (t->audmode) {
470 case V4L2_TUNER_MODE_LANG1:
473 case V4L2_TUNER_MODE_LANG2:
476 case V4L2_TUNER_MODE_STEREO:
479 case V4L2_TUNER_MODE_MONO:
486 gpio_bits(0x1e0000, con);
488 bttv_gpio_tracking(btv, "adtvk503");