1 | // SPDX-License-Identifier: GPL-2.0 |
2 | /* |
3 | * Handlers for board audio hooks, split from bttv-cards |
4 | * |
5 | * Copyright (c) 2006 Mauro Carvalho Chehab <mchehab@kernel.org> |
6 | */ |
7 | |
8 | #include "bttv-audio-hook.h" |
9 | |
10 | #include <linux/delay.h> |
11 | |
12 | /* ----------------------------------------------------------------------- */ |
13 | /* winview */ |
14 | |
15 | void winview_volume(struct bttv *btv, __u16 volume) |
16 | { |
17 | /* PT2254A programming Jon Tombs, jon@gte.esi.us.es */ |
18 | int bits_out, loops, vol, data; |
19 | |
20 | /* 32 levels logarithmic */ |
21 | vol = 32 - ((volume>>11)); |
22 | /* units */ |
23 | bits_out = (PT2254_DBS_IN_2>>(vol%5)); |
24 | /* tens */ |
25 | bits_out |= (PT2254_DBS_IN_10>>(vol/5)); |
26 | bits_out |= PT2254_L_CHANNEL | PT2254_R_CHANNEL; |
27 | data = gpio_read(); |
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; |
33 | else |
34 | data &= ~WINVIEW_PT2254_DATA; |
35 | gpio_write(data); |
36 | udelay(5); |
37 | data |= WINVIEW_PT2254_CLK; |
38 | gpio_write(data); |
39 | udelay(5); |
40 | data &= ~WINVIEW_PT2254_CLK; |
41 | gpio_write(data); |
42 | } |
43 | data |= WINVIEW_PT2254_STROBE; |
44 | data &= ~WINVIEW_PT2254_DATA; |
45 | gpio_write(data); |
46 | udelay(10); |
47 | data &= ~WINVIEW_PT2254_STROBE; |
48 | gpio_write(data); |
49 | } |
50 | |
51 | /* ----------------------------------------------------------------------- */ |
52 | /* mono/stereo control for various cards (which don't use i2c chips but */ |
53 | /* connect something to the GPIO pins */ |
54 | |
55 | void gvbctv3pci_audio(struct bttv *btv, struct v4l2_tuner *t, int set) |
56 | { |
57 | unsigned int con; |
58 | |
59 | if (!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 | |
65 | V4L2_TUNER_SUB_LANG2; |
66 | |
67 | return; |
68 | } |
69 | |
70 | gpio_inout(0x300, 0x300); |
71 | switch (t->audmode) { |
72 | case V4L2_TUNER_MODE_LANG1: |
73 | default: |
74 | con = 0x000; |
75 | break; |
76 | case V4L2_TUNER_MODE_LANG2: |
77 | con = 0x300; |
78 | break; |
79 | case V4L2_TUNER_MODE_STEREO: |
80 | con = 0x200; |
81 | break; |
82 | } |
83 | gpio_bits(0x300, con); |
84 | } |
85 | |
86 | void gvbctv5pci_audio(struct bttv *btv, struct v4l2_tuner *t, int set) |
87 | { |
88 | unsigned int val, con; |
89 | |
90 | if (btv->radio_user) |
91 | return; |
92 | |
93 | val = gpio_read(); |
94 | if (set) { |
95 | switch (t->audmode) { |
96 | case V4L2_TUNER_MODE_LANG2: |
97 | con = 0x300; |
98 | break; |
99 | case V4L2_TUNER_MODE_LANG1_LANG2: |
100 | con = 0x100; |
101 | break; |
102 | default: |
103 | con = 0x000; |
104 | break; |
105 | } |
106 | if (con != (val & 0x300)) { |
107 | gpio_bits(0x300, con); |
108 | if (bttv_gpio) |
109 | bttv_gpio_tracking(btv, comment: "gvbctv5pci" ); |
110 | } |
111 | } else { |
112 | switch (val & 0x70) { |
113 | case 0x10: |
114 | t->rxsubchans = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; |
115 | t->audmode = V4L2_TUNER_MODE_LANG1_LANG2; |
116 | break; |
117 | case 0x30: |
118 | t->rxsubchans = V4L2_TUNER_SUB_LANG2; |
119 | t->audmode = V4L2_TUNER_MODE_LANG1_LANG2; |
120 | break; |
121 | case 0x50: |
122 | t->rxsubchans = V4L2_TUNER_SUB_LANG1; |
123 | t->audmode = V4L2_TUNER_MODE_LANG1_LANG2; |
124 | break; |
125 | case 0x60: |
126 | t->rxsubchans = V4L2_TUNER_SUB_STEREO; |
127 | t->audmode = V4L2_TUNER_MODE_STEREO; |
128 | break; |
129 | case 0x70: |
130 | t->rxsubchans = V4L2_TUNER_SUB_MONO; |
131 | t->audmode = V4L2_TUNER_MODE_MONO; |
132 | break; |
133 | default: |
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; |
139 | } |
140 | } |
141 | } |
142 | |
143 | /* |
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 |
147 | * |
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. |
151 | * |
152 | * Looks like it's needed only for the "tvphone", the "tvphone 98" |
153 | * handles this with a tda9840 |
154 | * |
155 | */ |
156 | |
157 | void avermedia_tvphone_audio(struct bttv *btv, struct v4l2_tuner *t, int set) |
158 | { |
159 | int val; |
160 | |
161 | if (!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; |
168 | |
169 | return; |
170 | } |
171 | |
172 | switch (t->audmode) { |
173 | case V4L2_TUNER_MODE_LANG2: /* SAP */ |
174 | val = 0x02; |
175 | break; |
176 | case V4L2_TUNER_MODE_STEREO: |
177 | val = 0x01; |
178 | break; |
179 | default: |
180 | return; |
181 | } |
182 | gpio_bits(0x03, val); |
183 | if (bttv_gpio) |
184 | bttv_gpio_tracking(btv, comment: "avermedia" ); |
185 | } |
186 | |
187 | |
188 | void avermedia_tv_stereo_audio(struct bttv *btv, struct v4l2_tuner *t, int set) |
189 | { |
190 | int val = 0; |
191 | |
192 | if (!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; |
199 | |
200 | return; |
201 | } |
202 | |
203 | switch (t->audmode) { |
204 | case V4L2_TUNER_MODE_LANG2: /* SAP */ |
205 | val = 0x01; |
206 | break; |
207 | case V4L2_TUNER_MODE_STEREO: |
208 | val = 0x02; |
209 | break; |
210 | default: |
211 | val = 0; |
212 | break; |
213 | } |
214 | btaor(val, ~0x03, BT848_GPIO_DATA); |
215 | if (bttv_gpio) |
216 | bttv_gpio_tracking(btv, comment: "avermedia" ); |
217 | } |
218 | |
219 | /* Lifetec 9415 handling */ |
220 | |
221 | void lt9415_audio(struct bttv *btv, struct v4l2_tuner *t, int set) |
222 | { |
223 | int val = 0; |
224 | |
225 | if (gpio_read() & 0x4000) { |
226 | t->audmode = V4L2_TUNER_MODE_MONO; |
227 | return; |
228 | } |
229 | |
230 | if (!set) { |
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; |
237 | |
238 | return; |
239 | } |
240 | |
241 | switch (t->audmode) { |
242 | case V4L2_TUNER_MODE_LANG2: /* A2 SAP */ |
243 | val = 0x0080; |
244 | break; |
245 | case V4L2_TUNER_MODE_STEREO: /* A2 stereo */ |
246 | val = 0x0880; |
247 | break; |
248 | default: |
249 | val = 0; |
250 | break; |
251 | } |
252 | |
253 | gpio_bits(0x0880, val); |
254 | if (bttv_gpio) |
255 | bttv_gpio_tracking(btv, comment: "lt9415" ); |
256 | } |
257 | |
258 | /* TDA9821 on TerraTV+ Bt848, Bt878 */ |
259 | void terratv_audio(struct bttv *btv, struct v4l2_tuner *t, int set) |
260 | { |
261 | unsigned int con = 0; |
262 | |
263 | if (!set) { |
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; |
270 | |
271 | return; |
272 | } |
273 | |
274 | gpio_inout(0x180000, 0x180000); |
275 | switch (t->audmode) { |
276 | case V4L2_TUNER_MODE_LANG2: |
277 | con = 0x080000; |
278 | break; |
279 | case V4L2_TUNER_MODE_STEREO: |
280 | con = 0x180000; |
281 | break; |
282 | default: |
283 | con = 0; |
284 | break; |
285 | } |
286 | gpio_bits(0x180000, con); |
287 | if (bttv_gpio) |
288 | bttv_gpio_tracking(btv, comment: "terratv" ); |
289 | } |
290 | |
291 | |
292 | void winfast2000_audio(struct bttv *btv, struct v4l2_tuner *t, int set) |
293 | { |
294 | unsigned long val; |
295 | |
296 | if (!set) |
297 | return; |
298 | |
299 | /*btor (0xc32000, BT848_GPIO_OUT_EN);*/ |
300 | switch (t->audmode) { |
301 | case V4L2_TUNER_MODE_MONO: |
302 | case V4L2_TUNER_MODE_LANG1: |
303 | val = 0x420000; |
304 | break; |
305 | case V4L2_TUNER_MODE_LANG2: /* SAP */ |
306 | val = 0x410000; |
307 | break; |
308 | case V4L2_TUNER_MODE_STEREO: |
309 | val = 0x020000; |
310 | break; |
311 | default: |
312 | return; |
313 | } |
314 | |
315 | gpio_bits(0x430000, val); |
316 | if (bttv_gpio) |
317 | bttv_gpio_tracking(btv, comment: "winfast2000" ); |
318 | } |
319 | |
320 | /* |
321 | * Dariusz Kowalewski <darekk@automex.pl> |
322 | * sound control for Prolink PV-BT878P+9B (PixelView PlayTV Pro FM+NICAM |
323 | * revision 9B has on-board TDA9874A sound decoder). |
324 | * |
325 | * Note: There are card variants without tda9874a. Forcing the "stereo sound route" |
326 | * will mute this cards. |
327 | */ |
328 | void pvbt878p9b_audio(struct bttv *btv, struct v4l2_tuner *t, int set) |
329 | { |
330 | unsigned int val = 0; |
331 | |
332 | if (btv->radio_user) |
333 | return; |
334 | |
335 | if (!set) { |
336 | /* Not much to do here */ |
337 | t->audmode = V4L2_TUNER_MODE_LANG1; |
338 | t->rxsubchans = V4L2_TUNER_SUB_MONO | |
339 | V4L2_TUNER_SUB_STEREO | |
340 | V4L2_TUNER_SUB_LANG1 | |
341 | V4L2_TUNER_SUB_LANG2; |
342 | |
343 | return; |
344 | } |
345 | |
346 | switch (t->audmode) { |
347 | case V4L2_TUNER_MODE_MONO: |
348 | val = 0x01; |
349 | break; |
350 | case V4L2_TUNER_MODE_LANG1: |
351 | case V4L2_TUNER_MODE_LANG2: |
352 | case V4L2_TUNER_MODE_STEREO: |
353 | val = 0x02; |
354 | break; |
355 | default: |
356 | return; |
357 | } |
358 | |
359 | gpio_bits(0x03, val); |
360 | if (bttv_gpio) |
361 | bttv_gpio_tracking(btv, comment: "pvbt878p9b" ); |
362 | } |
363 | |
364 | /* |
365 | * Dariusz Kowalewski <darekk@automex.pl> |
366 | * sound control for FlyVideo 2000S (with tda9874 decoder) |
367 | * based on pvbt878p9b_audio() - this is not tested, please fix!!! |
368 | */ |
369 | void fv2000s_audio(struct bttv *btv, struct v4l2_tuner *t, int set) |
370 | { |
371 | unsigned int val; |
372 | |
373 | if (btv->radio_user) |
374 | return; |
375 | |
376 | if (!set) { |
377 | /* Not much to do here */ |
378 | t->audmode = V4L2_TUNER_MODE_LANG1; |
379 | t->rxsubchans = V4L2_TUNER_SUB_MONO | |
380 | V4L2_TUNER_SUB_STEREO | |
381 | V4L2_TUNER_SUB_LANG1 | |
382 | V4L2_TUNER_SUB_LANG2; |
383 | |
384 | return; |
385 | } |
386 | |
387 | switch (t->audmode) { |
388 | case V4L2_TUNER_MODE_MONO: |
389 | val = 0x0000; |
390 | break; |
391 | case V4L2_TUNER_MODE_LANG1: |
392 | case V4L2_TUNER_MODE_LANG2: |
393 | case V4L2_TUNER_MODE_STEREO: |
394 | val = 0x1080; /*-dk-???: 0x0880, 0x0080, 0x1800 ... */ |
395 | break; |
396 | default: |
397 | return; |
398 | } |
399 | gpio_bits(0x1800, val); |
400 | if (bttv_gpio) |
401 | bttv_gpio_tracking(btv, comment: "fv2000s" ); |
402 | } |
403 | |
404 | /* |
405 | * sound control for Canopus WinDVR PCI |
406 | * Masaki Suzuki <masaki@btree.org> |
407 | */ |
408 | void windvr_audio(struct bttv *btv, struct v4l2_tuner *t, int set) |
409 | { |
410 | unsigned long val; |
411 | |
412 | if (!set) { |
413 | /* Not much to do here */ |
414 | t->audmode = V4L2_TUNER_MODE_LANG1; |
415 | t->rxsubchans = V4L2_TUNER_SUB_MONO | |
416 | V4L2_TUNER_SUB_STEREO | |
417 | V4L2_TUNER_SUB_LANG1 | |
418 | V4L2_TUNER_SUB_LANG2; |
419 | |
420 | return; |
421 | } |
422 | |
423 | switch (t->audmode) { |
424 | case V4L2_TUNER_MODE_MONO: |
425 | val = 0x040000; |
426 | break; |
427 | case V4L2_TUNER_MODE_LANG2: |
428 | val = 0x100000; |
429 | break; |
430 | default: |
431 | return; |
432 | } |
433 | |
434 | gpio_bits(0x140000, val); |
435 | if (bttv_gpio) |
436 | bttv_gpio_tracking(btv, comment: "windvr" ); |
437 | } |
438 | |
439 | /* |
440 | * sound control for AD-TVK503 |
441 | * Hiroshi Takekawa <sian@big.or.jp> |
442 | */ |
443 | void adtvk503_audio(struct bttv *btv, struct v4l2_tuner *t, int set) |
444 | { |
445 | unsigned int con = 0xffffff; |
446 | |
447 | /* btaor(0x1e0000, ~0x1e0000, BT848_GPIO_OUT_EN); */ |
448 | |
449 | if (!set) { |
450 | /* Not much to do here */ |
451 | t->audmode = V4L2_TUNER_MODE_LANG1; |
452 | t->rxsubchans = V4L2_TUNER_SUB_MONO | |
453 | V4L2_TUNER_SUB_STEREO | |
454 | V4L2_TUNER_SUB_LANG1 | |
455 | V4L2_TUNER_SUB_LANG2; |
456 | |
457 | return; |
458 | } |
459 | |
460 | /* btor(***, BT848_GPIO_OUT_EN); */ |
461 | switch (t->audmode) { |
462 | case V4L2_TUNER_MODE_LANG1: |
463 | con = 0x00000000; |
464 | break; |
465 | case V4L2_TUNER_MODE_LANG2: |
466 | con = 0x00180000; |
467 | break; |
468 | case V4L2_TUNER_MODE_STEREO: |
469 | con = 0x00000000; |
470 | break; |
471 | case V4L2_TUNER_MODE_MONO: |
472 | con = 0x00060000; |
473 | break; |
474 | default: |
475 | return; |
476 | } |
477 | |
478 | gpio_bits(0x1e0000, con); |
479 | if (bttv_gpio) |
480 | bttv_gpio_tracking(btv, comment: "adtvk503" ); |
481 | } |
482 | |