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f3d9478b JB |
1 | /* |
2 | * Apple Onboard Audio driver for tas codec | |
3 | * | |
4 | * Copyright 2006 Johannes Berg <johannes@sipsolutions.net> | |
5 | * | |
6 | * GPL v2, can be found in COPYING. | |
7 | * | |
8 | * Open questions: | |
9 | * - How to distinguish between 3004 and versions? | |
10 | * | |
11 | * FIXMEs: | |
12 | * - This codec driver doesn't honour the 'connected' | |
13 | * property of the aoa_codec struct, hence if | |
14 | * it is used in machines where not everything is | |
15 | * connected it will display wrong mixer elements. | |
16 | * - Driver assumes that the microphone is always | |
17 | * monaureal and connected to the right channel of | |
18 | * the input. This should also be a codec-dependent | |
19 | * flag, maybe the codec should have 3 different | |
20 | * bits for the three different possibilities how | |
21 | * it can be hooked up... | |
22 | * But as long as I don't see any hardware hooked | |
23 | * up that way... | |
24 | * - As Apple notes in their code, the tas3004 seems | |
25 | * to delay the right channel by one sample. You can | |
26 | * see this when for example recording stereo in | |
27 | * audacity, or recording the tas output via cable | |
28 | * on another machine (use a sinus generator or so). | |
29 | * I tried programming the BiQuads but couldn't | |
30 | * make the delay work, maybe someone can read the | |
31 | * datasheet and fix it. The relevant Apple comment | |
32 | * is in AppleTAS3004Audio.cpp lines 1637 ff. Note | |
33 | * that their comment describing how they program | |
34 | * the filters sucks... | |
35 | * | |
36 | * Other things: | |
37 | * - this should actually register *two* aoa_codec | |
38 | * structs since it has two inputs. Then it must | |
39 | * use the prepare callback to forbid running the | |
40 | * secondary output on a different clock. | |
41 | * Also, whatever bus knows how to do this must | |
42 | * provide two soundbus_dev devices and the fabric | |
43 | * must be able to link them correctly. | |
44 | * | |
45 | * I don't even know if Apple ever uses the second | |
46 | * port on the tas3004 though, I don't think their | |
47 | * i2s controllers can even do it. OTOH, they all | |
48 | * derive the clocks from common clocks, so it | |
49 | * might just be possible. The framework allows the | |
50 | * codec to refine the transfer_info items in the | |
51 | * usable callback, so we can simply remove the | |
52 | * rates the second instance is not using when it | |
53 | * actually is in use. | |
54 | * Maybe we'll need to make the sound busses have | |
55 | * a 'clock group id' value so the codec can | |
56 | * determine if the two outputs can be driven at | |
57 | * the same time. But that is likely overkill, up | |
58 | * to the fabric to not link them up incorrectly, | |
59 | * and up to the hardware designer to not wire | |
60 | * them up in some weird unusable way. | |
61 | */ | |
62 | #include <stddef.h> | |
63 | #include <linux/i2c.h> | |
f3d9478b JB |
64 | #include <asm/pmac_low_i2c.h> |
65 | #include <asm/prom.h> | |
66 | #include <linux/delay.h> | |
67 | #include <linux/module.h> | |
30719206 JB |
68 | #include <linux/mutex.h> |
69 | ||
f3d9478b JB |
70 | MODULE_AUTHOR("Johannes Berg <johannes@sipsolutions.net>"); |
71 | MODULE_LICENSE("GPL"); | |
72 | MODULE_DESCRIPTION("tas codec driver for snd-aoa"); | |
73 | ||
74 | #include "snd-aoa-codec-tas.h" | |
75 | #include "snd-aoa-codec-tas-gain-table.h" | |
50099328 | 76 | #include "snd-aoa-codec-tas-basstreble.h" |
f3d9478b JB |
77 | #include "../aoa.h" |
78 | #include "../soundbus/soundbus.h" | |
79 | ||
f3d9478b JB |
80 | #define PFX "snd-aoa-codec-tas: " |
81 | ||
6a4f5787 | 82 | |
f3d9478b JB |
83 | struct tas { |
84 | struct aoa_codec codec; | |
85 | struct i2c_client i2c; | |
6a4f5787 BH |
86 | u32 mute_l:1, mute_r:1 , |
87 | controls_created:1 , | |
88 | drc_enabled:1, | |
89 | hw_enabled:1; | |
f3d9478b JB |
90 | u8 cached_volume_l, cached_volume_r; |
91 | u8 mixer_l[3], mixer_r[3]; | |
50099328 | 92 | u8 bass, treble; |
f3d9478b | 93 | u8 acr; |
6a4f5787 | 94 | int drc_range; |
30719206 JB |
95 | /* protects hardware access against concurrency from |
96 | * userspace when hitting controls and during | |
97 | * codec init/suspend/resume */ | |
98 | struct mutex mtx; | |
f3d9478b JB |
99 | }; |
100 | ||
6a4f5787 BH |
101 | static int tas_reset_init(struct tas *tas); |
102 | ||
f3d9478b JB |
103 | static struct tas *codec_to_tas(struct aoa_codec *codec) |
104 | { | |
105 | return container_of(codec, struct tas, codec); | |
106 | } | |
107 | ||
108 | static inline int tas_write_reg(struct tas *tas, u8 reg, u8 len, u8 *data) | |
109 | { | |
110 | if (len == 1) | |
111 | return i2c_smbus_write_byte_data(&tas->i2c, reg, *data); | |
112 | else | |
113 | return i2c_smbus_write_i2c_block_data(&tas->i2c, reg, len, data); | |
114 | } | |
115 | ||
6a4f5787 BH |
116 | static void tas3004_set_drc(struct tas *tas) |
117 | { | |
118 | unsigned char val[6]; | |
119 | ||
120 | if (tas->drc_enabled) | |
121 | val[0] = 0x50; /* 3:1 above threshold */ | |
122 | else | |
123 | val[0] = 0x51; /* disabled */ | |
124 | val[1] = 0x02; /* 1:1 below threshold */ | |
125 | if (tas->drc_range > 0xef) | |
126 | val[2] = 0xef; | |
127 | else if (tas->drc_range < 0) | |
128 | val[2] = 0x00; | |
129 | else | |
130 | val[2] = tas->drc_range; | |
131 | val[3] = 0xb0; | |
132 | val[4] = 0x60; | |
133 | val[5] = 0xa0; | |
134 | ||
135 | tas_write_reg(tas, TAS_REG_DRC, 6, val); | |
136 | } | |
137 | ||
50099328 JB |
138 | static void tas_set_treble(struct tas *tas) |
139 | { | |
140 | u8 tmp; | |
141 | ||
142 | tmp = tas3004_treble(tas->treble); | |
143 | tas_write_reg(tas, TAS_REG_TREBLE, 1, &tmp); | |
144 | } | |
145 | ||
146 | static void tas_set_bass(struct tas *tas) | |
147 | { | |
148 | u8 tmp; | |
149 | ||
150 | tmp = tas3004_bass(tas->bass); | |
151 | tas_write_reg(tas, TAS_REG_BASS, 1, &tmp); | |
152 | } | |
153 | ||
f3d9478b JB |
154 | static void tas_set_volume(struct tas *tas) |
155 | { | |
156 | u8 block[6]; | |
157 | int tmp; | |
158 | u8 left, right; | |
159 | ||
160 | left = tas->cached_volume_l; | |
161 | right = tas->cached_volume_r; | |
162 | ||
163 | if (left > 177) left = 177; | |
164 | if (right > 177) right = 177; | |
165 | ||
6a4f5787 BH |
166 | if (tas->mute_l) left = 0; |
167 | if (tas->mute_r) right = 0; | |
f3d9478b JB |
168 | |
169 | /* analysing the volume and mixer tables shows | |
170 | * that they are similar enough when we shift | |
171 | * the mixer table down by 4 bits. The error | |
172 | * is miniscule, in just one item the error | |
173 | * is 1, at a value of 0x07f17b (mixer table | |
174 | * value is 0x07f17a) */ | |
175 | tmp = tas_gaintable[left]; | |
176 | block[0] = tmp>>20; | |
177 | block[1] = tmp>>12; | |
178 | block[2] = tmp>>4; | |
179 | tmp = tas_gaintable[right]; | |
180 | block[3] = tmp>>20; | |
181 | block[4] = tmp>>12; | |
182 | block[5] = tmp>>4; | |
183 | tas_write_reg(tas, TAS_REG_VOL, 6, block); | |
184 | } | |
185 | ||
186 | static void tas_set_mixer(struct tas *tas) | |
187 | { | |
188 | u8 block[9]; | |
189 | int tmp, i; | |
190 | u8 val; | |
191 | ||
192 | for (i=0;i<3;i++) { | |
193 | val = tas->mixer_l[i]; | |
194 | if (val > 177) val = 177; | |
195 | tmp = tas_gaintable[val]; | |
196 | block[3*i+0] = tmp>>16; | |
197 | block[3*i+1] = tmp>>8; | |
198 | block[3*i+2] = tmp; | |
199 | } | |
200 | tas_write_reg(tas, TAS_REG_LMIX, 9, block); | |
201 | ||
202 | for (i=0;i<3;i++) { | |
203 | val = tas->mixer_r[i]; | |
204 | if (val > 177) val = 177; | |
205 | tmp = tas_gaintable[val]; | |
206 | block[3*i+0] = tmp>>16; | |
207 | block[3*i+1] = tmp>>8; | |
208 | block[3*i+2] = tmp; | |
209 | } | |
210 | tas_write_reg(tas, TAS_REG_RMIX, 9, block); | |
211 | } | |
212 | ||
213 | /* alsa stuff */ | |
214 | ||
215 | static int tas_dev_register(struct snd_device *dev) | |
216 | { | |
217 | return 0; | |
218 | } | |
219 | ||
220 | static struct snd_device_ops ops = { | |
221 | .dev_register = tas_dev_register, | |
222 | }; | |
223 | ||
224 | static int tas_snd_vol_info(struct snd_kcontrol *kcontrol, | |
225 | struct snd_ctl_elem_info *uinfo) | |
226 | { | |
227 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
228 | uinfo->count = 2; | |
229 | uinfo->value.integer.min = 0; | |
230 | uinfo->value.integer.max = 177; | |
231 | return 0; | |
232 | } | |
233 | ||
234 | static int tas_snd_vol_get(struct snd_kcontrol *kcontrol, | |
235 | struct snd_ctl_elem_value *ucontrol) | |
236 | { | |
237 | struct tas *tas = snd_kcontrol_chip(kcontrol); | |
238 | ||
30719206 | 239 | mutex_lock(&tas->mtx); |
f3d9478b JB |
240 | ucontrol->value.integer.value[0] = tas->cached_volume_l; |
241 | ucontrol->value.integer.value[1] = tas->cached_volume_r; | |
30719206 | 242 | mutex_unlock(&tas->mtx); |
f3d9478b JB |
243 | return 0; |
244 | } | |
245 | ||
246 | static int tas_snd_vol_put(struct snd_kcontrol *kcontrol, | |
247 | struct snd_ctl_elem_value *ucontrol) | |
248 | { | |
249 | struct tas *tas = snd_kcontrol_chip(kcontrol); | |
250 | ||
30719206 | 251 | mutex_lock(&tas->mtx); |
f3d9478b | 252 | if (tas->cached_volume_l == ucontrol->value.integer.value[0] |
30719206 JB |
253 | && tas->cached_volume_r == ucontrol->value.integer.value[1]) { |
254 | mutex_unlock(&tas->mtx); | |
f3d9478b | 255 | return 0; |
30719206 | 256 | } |
f3d9478b JB |
257 | |
258 | tas->cached_volume_l = ucontrol->value.integer.value[0]; | |
259 | tas->cached_volume_r = ucontrol->value.integer.value[1]; | |
6a4f5787 BH |
260 | if (tas->hw_enabled) |
261 | tas_set_volume(tas); | |
30719206 | 262 | mutex_unlock(&tas->mtx); |
f3d9478b JB |
263 | return 1; |
264 | } | |
265 | ||
266 | static struct snd_kcontrol_new volume_control = { | |
267 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
268 | .name = "Master Playback Volume", | |
269 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, | |
270 | .info = tas_snd_vol_info, | |
271 | .get = tas_snd_vol_get, | |
272 | .put = tas_snd_vol_put, | |
273 | }; | |
274 | ||
a5ce8890 | 275 | #define tas_snd_mute_info snd_ctl_boolean_stereo_info |
f3d9478b JB |
276 | |
277 | static int tas_snd_mute_get(struct snd_kcontrol *kcontrol, | |
278 | struct snd_ctl_elem_value *ucontrol) | |
279 | { | |
280 | struct tas *tas = snd_kcontrol_chip(kcontrol); | |
281 | ||
30719206 | 282 | mutex_lock(&tas->mtx); |
6a4f5787 BH |
283 | ucontrol->value.integer.value[0] = !tas->mute_l; |
284 | ucontrol->value.integer.value[1] = !tas->mute_r; | |
30719206 | 285 | mutex_unlock(&tas->mtx); |
f3d9478b JB |
286 | return 0; |
287 | } | |
288 | ||
289 | static int tas_snd_mute_put(struct snd_kcontrol *kcontrol, | |
290 | struct snd_ctl_elem_value *ucontrol) | |
291 | { | |
292 | struct tas *tas = snd_kcontrol_chip(kcontrol); | |
293 | ||
30719206 | 294 | mutex_lock(&tas->mtx); |
6a4f5787 | 295 | if (tas->mute_l == !ucontrol->value.integer.value[0] |
30719206 JB |
296 | && tas->mute_r == !ucontrol->value.integer.value[1]) { |
297 | mutex_unlock(&tas->mtx); | |
f3d9478b | 298 | return 0; |
30719206 | 299 | } |
f3d9478b | 300 | |
6a4f5787 BH |
301 | tas->mute_l = !ucontrol->value.integer.value[0]; |
302 | tas->mute_r = !ucontrol->value.integer.value[1]; | |
303 | if (tas->hw_enabled) | |
304 | tas_set_volume(tas); | |
30719206 | 305 | mutex_unlock(&tas->mtx); |
f3d9478b JB |
306 | return 1; |
307 | } | |
308 | ||
309 | static struct snd_kcontrol_new mute_control = { | |
310 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
311 | .name = "Master Playback Switch", | |
312 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, | |
313 | .info = tas_snd_mute_info, | |
314 | .get = tas_snd_mute_get, | |
315 | .put = tas_snd_mute_put, | |
316 | }; | |
317 | ||
318 | static int tas_snd_mixer_info(struct snd_kcontrol *kcontrol, | |
319 | struct snd_ctl_elem_info *uinfo) | |
320 | { | |
321 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
322 | uinfo->count = 2; | |
323 | uinfo->value.integer.min = 0; | |
324 | uinfo->value.integer.max = 177; | |
325 | return 0; | |
326 | } | |
327 | ||
328 | static int tas_snd_mixer_get(struct snd_kcontrol *kcontrol, | |
329 | struct snd_ctl_elem_value *ucontrol) | |
330 | { | |
331 | struct tas *tas = snd_kcontrol_chip(kcontrol); | |
332 | int idx = kcontrol->private_value; | |
333 | ||
30719206 | 334 | mutex_lock(&tas->mtx); |
f3d9478b JB |
335 | ucontrol->value.integer.value[0] = tas->mixer_l[idx]; |
336 | ucontrol->value.integer.value[1] = tas->mixer_r[idx]; | |
30719206 | 337 | mutex_unlock(&tas->mtx); |
f3d9478b JB |
338 | |
339 | return 0; | |
340 | } | |
341 | ||
342 | static int tas_snd_mixer_put(struct snd_kcontrol *kcontrol, | |
343 | struct snd_ctl_elem_value *ucontrol) | |
344 | { | |
345 | struct tas *tas = snd_kcontrol_chip(kcontrol); | |
346 | int idx = kcontrol->private_value; | |
347 | ||
30719206 | 348 | mutex_lock(&tas->mtx); |
f3d9478b | 349 | if (tas->mixer_l[idx] == ucontrol->value.integer.value[0] |
30719206 JB |
350 | && tas->mixer_r[idx] == ucontrol->value.integer.value[1]) { |
351 | mutex_unlock(&tas->mtx); | |
f3d9478b | 352 | return 0; |
30719206 | 353 | } |
f3d9478b JB |
354 | |
355 | tas->mixer_l[idx] = ucontrol->value.integer.value[0]; | |
356 | tas->mixer_r[idx] = ucontrol->value.integer.value[1]; | |
357 | ||
6a4f5787 BH |
358 | if (tas->hw_enabled) |
359 | tas_set_mixer(tas); | |
30719206 | 360 | mutex_unlock(&tas->mtx); |
f3d9478b JB |
361 | return 1; |
362 | } | |
363 | ||
364 | #define MIXER_CONTROL(n,descr,idx) \ | |
365 | static struct snd_kcontrol_new n##_control = { \ | |
366 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ | |
367 | .name = descr " Playback Volume", \ | |
368 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, \ | |
369 | .info = tas_snd_mixer_info, \ | |
370 | .get = tas_snd_mixer_get, \ | |
371 | .put = tas_snd_mixer_put, \ | |
372 | .private_value = idx, \ | |
373 | } | |
374 | ||
14b42963 | 375 | MIXER_CONTROL(pcm1, "PCM", 0); |
f3d9478b JB |
376 | MIXER_CONTROL(monitor, "Monitor", 2); |
377 | ||
9b8f52f5 JB |
378 | static int tas_snd_drc_range_info(struct snd_kcontrol *kcontrol, |
379 | struct snd_ctl_elem_info *uinfo) | |
380 | { | |
381 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
382 | uinfo->count = 1; | |
383 | uinfo->value.integer.min = 0; | |
384 | uinfo->value.integer.max = TAS3004_DRC_MAX; | |
385 | return 0; | |
386 | } | |
387 | ||
388 | static int tas_snd_drc_range_get(struct snd_kcontrol *kcontrol, | |
389 | struct snd_ctl_elem_value *ucontrol) | |
390 | { | |
391 | struct tas *tas = snd_kcontrol_chip(kcontrol); | |
392 | ||
30719206 | 393 | mutex_lock(&tas->mtx); |
9b8f52f5 | 394 | ucontrol->value.integer.value[0] = tas->drc_range; |
30719206 | 395 | mutex_unlock(&tas->mtx); |
9b8f52f5 JB |
396 | return 0; |
397 | } | |
398 | ||
399 | static int tas_snd_drc_range_put(struct snd_kcontrol *kcontrol, | |
400 | struct snd_ctl_elem_value *ucontrol) | |
401 | { | |
402 | struct tas *tas = snd_kcontrol_chip(kcontrol); | |
403 | ||
30719206 JB |
404 | mutex_lock(&tas->mtx); |
405 | if (tas->drc_range == ucontrol->value.integer.value[0]) { | |
406 | mutex_unlock(&tas->mtx); | |
9b8f52f5 | 407 | return 0; |
30719206 | 408 | } |
9b8f52f5 JB |
409 | |
410 | tas->drc_range = ucontrol->value.integer.value[0]; | |
411 | if (tas->hw_enabled) | |
412 | tas3004_set_drc(tas); | |
30719206 | 413 | mutex_unlock(&tas->mtx); |
9b8f52f5 JB |
414 | return 1; |
415 | } | |
416 | ||
417 | static struct snd_kcontrol_new drc_range_control = { | |
418 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
419 | .name = "DRC Range", | |
420 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, | |
421 | .info = tas_snd_drc_range_info, | |
422 | .get = tas_snd_drc_range_get, | |
423 | .put = tas_snd_drc_range_put, | |
424 | }; | |
425 | ||
a5ce8890 | 426 | #define tas_snd_drc_switch_info snd_ctl_boolean_mono_info |
9b8f52f5 JB |
427 | |
428 | static int tas_snd_drc_switch_get(struct snd_kcontrol *kcontrol, | |
429 | struct snd_ctl_elem_value *ucontrol) | |
430 | { | |
431 | struct tas *tas = snd_kcontrol_chip(kcontrol); | |
432 | ||
30719206 | 433 | mutex_lock(&tas->mtx); |
9b8f52f5 | 434 | ucontrol->value.integer.value[0] = tas->drc_enabled; |
30719206 | 435 | mutex_unlock(&tas->mtx); |
9b8f52f5 JB |
436 | return 0; |
437 | } | |
438 | ||
439 | static int tas_snd_drc_switch_put(struct snd_kcontrol *kcontrol, | |
440 | struct snd_ctl_elem_value *ucontrol) | |
441 | { | |
442 | struct tas *tas = snd_kcontrol_chip(kcontrol); | |
443 | ||
30719206 JB |
444 | mutex_lock(&tas->mtx); |
445 | if (tas->drc_enabled == ucontrol->value.integer.value[0]) { | |
446 | mutex_unlock(&tas->mtx); | |
9b8f52f5 | 447 | return 0; |
30719206 | 448 | } |
9b8f52f5 JB |
449 | |
450 | tas->drc_enabled = ucontrol->value.integer.value[0]; | |
451 | if (tas->hw_enabled) | |
452 | tas3004_set_drc(tas); | |
30719206 | 453 | mutex_unlock(&tas->mtx); |
9b8f52f5 JB |
454 | return 1; |
455 | } | |
456 | ||
457 | static struct snd_kcontrol_new drc_switch_control = { | |
458 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
459 | .name = "DRC Range Switch", | |
460 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, | |
461 | .info = tas_snd_drc_switch_info, | |
462 | .get = tas_snd_drc_switch_get, | |
463 | .put = tas_snd_drc_switch_put, | |
464 | }; | |
465 | ||
f3d9478b JB |
466 | static int tas_snd_capture_source_info(struct snd_kcontrol *kcontrol, |
467 | struct snd_ctl_elem_info *uinfo) | |
468 | { | |
469 | static char *texts[] = { "Line-In", "Microphone" }; | |
470 | ||
471 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; | |
472 | uinfo->count = 1; | |
473 | uinfo->value.enumerated.items = 2; | |
474 | if (uinfo->value.enumerated.item > 1) | |
475 | uinfo->value.enumerated.item = 1; | |
476 | strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); | |
477 | return 0; | |
478 | } | |
479 | ||
480 | static int tas_snd_capture_source_get(struct snd_kcontrol *kcontrol, | |
481 | struct snd_ctl_elem_value *ucontrol) | |
482 | { | |
483 | struct tas *tas = snd_kcontrol_chip(kcontrol); | |
484 | ||
30719206 | 485 | mutex_lock(&tas->mtx); |
f3d9478b | 486 | ucontrol->value.enumerated.item[0] = !!(tas->acr & TAS_ACR_INPUT_B); |
30719206 | 487 | mutex_unlock(&tas->mtx); |
f3d9478b JB |
488 | return 0; |
489 | } | |
490 | ||
491 | static int tas_snd_capture_source_put(struct snd_kcontrol *kcontrol, | |
492 | struct snd_ctl_elem_value *ucontrol) | |
493 | { | |
494 | struct tas *tas = snd_kcontrol_chip(kcontrol); | |
30719206 JB |
495 | int oldacr; |
496 | ||
497 | mutex_lock(&tas->mtx); | |
498 | oldacr = tas->acr; | |
f3d9478b | 499 | |
80b8d5d6 PM |
500 | /* |
501 | * Despite what the data sheet says in one place, the | |
502 | * TAS_ACR_B_MONAUREAL bit forces mono output even when | |
503 | * input A (line in) is selected. | |
504 | */ | |
505 | tas->acr &= ~(TAS_ACR_INPUT_B | TAS_ACR_B_MONAUREAL); | |
f3d9478b | 506 | if (ucontrol->value.enumerated.item[0]) |
80b8d5d6 PM |
507 | tas->acr |= TAS_ACR_INPUT_B | TAS_ACR_B_MONAUREAL | |
508 | TAS_ACR_B_MON_SEL_RIGHT; | |
30719206 JB |
509 | if (oldacr == tas->acr) { |
510 | mutex_unlock(&tas->mtx); | |
f3d9478b | 511 | return 0; |
30719206 | 512 | } |
6a4f5787 BH |
513 | if (tas->hw_enabled) |
514 | tas_write_reg(tas, TAS_REG_ACR, 1, &tas->acr); | |
30719206 | 515 | mutex_unlock(&tas->mtx); |
f3d9478b JB |
516 | return 1; |
517 | } | |
518 | ||
519 | static struct snd_kcontrol_new capture_source_control = { | |
520 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
521 | /* If we name this 'Input Source', it properly shows up in | |
522 | * alsamixer as a selection, * but it's shown under the | |
523 | * 'Playback' category. | |
524 | * If I name it 'Capture Source', it shows up in strange | |
525 | * ways (two bools of which one can be selected at a | |
526 | * time) but at least it's shown in the 'Capture' | |
527 | * category. | |
528 | * I was told that this was due to backward compatibility, | |
529 | * but I don't understand then why the mangling is *not* | |
530 | * done when I name it "Input Source"..... | |
531 | */ | |
532 | .name = "Capture Source", | |
533 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, | |
534 | .info = tas_snd_capture_source_info, | |
535 | .get = tas_snd_capture_source_get, | |
536 | .put = tas_snd_capture_source_put, | |
537 | }; | |
538 | ||
50099328 JB |
539 | static int tas_snd_treble_info(struct snd_kcontrol *kcontrol, |
540 | struct snd_ctl_elem_info *uinfo) | |
541 | { | |
542 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
543 | uinfo->count = 1; | |
544 | uinfo->value.integer.min = TAS3004_TREBLE_MIN; | |
545 | uinfo->value.integer.max = TAS3004_TREBLE_MAX; | |
546 | return 0; | |
547 | } | |
548 | ||
549 | static int tas_snd_treble_get(struct snd_kcontrol *kcontrol, | |
550 | struct snd_ctl_elem_value *ucontrol) | |
551 | { | |
552 | struct tas *tas = snd_kcontrol_chip(kcontrol); | |
553 | ||
30719206 | 554 | mutex_lock(&tas->mtx); |
50099328 | 555 | ucontrol->value.integer.value[0] = tas->treble; |
30719206 | 556 | mutex_unlock(&tas->mtx); |
50099328 JB |
557 | return 0; |
558 | } | |
559 | ||
560 | static int tas_snd_treble_put(struct snd_kcontrol *kcontrol, | |
561 | struct snd_ctl_elem_value *ucontrol) | |
562 | { | |
563 | struct tas *tas = snd_kcontrol_chip(kcontrol); | |
564 | ||
30719206 JB |
565 | mutex_lock(&tas->mtx); |
566 | if (tas->treble == ucontrol->value.integer.value[0]) { | |
567 | mutex_unlock(&tas->mtx); | |
50099328 | 568 | return 0; |
30719206 | 569 | } |
50099328 JB |
570 | |
571 | tas->treble = ucontrol->value.integer.value[0]; | |
572 | if (tas->hw_enabled) | |
573 | tas_set_treble(tas); | |
30719206 | 574 | mutex_unlock(&tas->mtx); |
50099328 JB |
575 | return 1; |
576 | } | |
577 | ||
578 | static struct snd_kcontrol_new treble_control = { | |
579 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
580 | .name = "Treble", | |
581 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, | |
582 | .info = tas_snd_treble_info, | |
583 | .get = tas_snd_treble_get, | |
584 | .put = tas_snd_treble_put, | |
585 | }; | |
586 | ||
587 | static int tas_snd_bass_info(struct snd_kcontrol *kcontrol, | |
588 | struct snd_ctl_elem_info *uinfo) | |
589 | { | |
590 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
591 | uinfo->count = 1; | |
592 | uinfo->value.integer.min = TAS3004_BASS_MIN; | |
593 | uinfo->value.integer.max = TAS3004_BASS_MAX; | |
594 | return 0; | |
595 | } | |
596 | ||
597 | static int tas_snd_bass_get(struct snd_kcontrol *kcontrol, | |
598 | struct snd_ctl_elem_value *ucontrol) | |
599 | { | |
600 | struct tas *tas = snd_kcontrol_chip(kcontrol); | |
601 | ||
30719206 | 602 | mutex_lock(&tas->mtx); |
50099328 | 603 | ucontrol->value.integer.value[0] = tas->bass; |
30719206 | 604 | mutex_unlock(&tas->mtx); |
50099328 JB |
605 | return 0; |
606 | } | |
607 | ||
608 | static int tas_snd_bass_put(struct snd_kcontrol *kcontrol, | |
609 | struct snd_ctl_elem_value *ucontrol) | |
610 | { | |
611 | struct tas *tas = snd_kcontrol_chip(kcontrol); | |
612 | ||
30719206 JB |
613 | mutex_lock(&tas->mtx); |
614 | if (tas->bass == ucontrol->value.integer.value[0]) { | |
615 | mutex_unlock(&tas->mtx); | |
50099328 | 616 | return 0; |
30719206 | 617 | } |
50099328 JB |
618 | |
619 | tas->bass = ucontrol->value.integer.value[0]; | |
620 | if (tas->hw_enabled) | |
621 | tas_set_bass(tas); | |
30719206 | 622 | mutex_unlock(&tas->mtx); |
50099328 JB |
623 | return 1; |
624 | } | |
625 | ||
626 | static struct snd_kcontrol_new bass_control = { | |
627 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
628 | .name = "Bass", | |
629 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, | |
630 | .info = tas_snd_bass_info, | |
631 | .get = tas_snd_bass_get, | |
632 | .put = tas_snd_bass_put, | |
633 | }; | |
f3d9478b JB |
634 | |
635 | static struct transfer_info tas_transfers[] = { | |
636 | { | |
637 | /* input */ | |
638 | .formats = SNDRV_PCM_FMTBIT_S16_BE | SNDRV_PCM_FMTBIT_S16_BE | | |
639 | SNDRV_PCM_FMTBIT_S24_BE | SNDRV_PCM_FMTBIT_S24_BE, | |
640 | .rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000, | |
641 | .transfer_in = 1, | |
642 | }, | |
643 | { | |
644 | /* output */ | |
645 | .formats = SNDRV_PCM_FMTBIT_S16_BE | SNDRV_PCM_FMTBIT_S16_BE | | |
646 | SNDRV_PCM_FMTBIT_S24_BE | SNDRV_PCM_FMTBIT_S24_BE, | |
647 | .rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000, | |
648 | .transfer_in = 0, | |
649 | }, | |
650 | {} | |
651 | }; | |
652 | ||
653 | static int tas_usable(struct codec_info_item *cii, | |
654 | struct transfer_info *ti, | |
655 | struct transfer_info *out) | |
656 | { | |
657 | return 1; | |
658 | } | |
659 | ||
660 | static int tas_reset_init(struct tas *tas) | |
661 | { | |
662 | u8 tmp; | |
6a4f5787 BH |
663 | |
664 | tas->codec.gpio->methods->all_amps_off(tas->codec.gpio); | |
665 | msleep(5); | |
f3d9478b | 666 | tas->codec.gpio->methods->set_hw_reset(tas->codec.gpio, 0); |
6a4f5787 | 667 | msleep(5); |
f3d9478b | 668 | tas->codec.gpio->methods->set_hw_reset(tas->codec.gpio, 1); |
6a4f5787 | 669 | msleep(20); |
f3d9478b | 670 | tas->codec.gpio->methods->set_hw_reset(tas->codec.gpio, 0); |
6a4f5787 BH |
671 | msleep(10); |
672 | tas->codec.gpio->methods->all_amps_restore(tas->codec.gpio); | |
f3d9478b JB |
673 | |
674 | tmp = TAS_MCS_SCLK64 | TAS_MCS_SPORT_MODE_I2S | TAS_MCS_SPORT_WL_24BIT; | |
675 | if (tas_write_reg(tas, TAS_REG_MCS, 1, &tmp)) | |
30719206 | 676 | goto outerr; |
f3d9478b | 677 | |
80b8d5d6 | 678 | tas->acr |= TAS_ACR_ANALOG_PDOWN; |
6a4f5787 | 679 | if (tas_write_reg(tas, TAS_REG_ACR, 1, &tas->acr)) |
30719206 | 680 | goto outerr; |
6a4f5787 | 681 | |
f3d9478b JB |
682 | tmp = 0; |
683 | if (tas_write_reg(tas, TAS_REG_MCS2, 1, &tmp)) | |
30719206 | 684 | goto outerr; |
f3d9478b | 685 | |
6a4f5787 BH |
686 | tas3004_set_drc(tas); |
687 | ||
688 | /* Set treble & bass to 0dB */ | |
50099328 JB |
689 | tas->treble = TAS3004_TREBLE_ZERO; |
690 | tas->bass = TAS3004_BASS_ZERO; | |
691 | tas_set_treble(tas); | |
692 | tas_set_bass(tas); | |
6a4f5787 BH |
693 | |
694 | tas->acr &= ~TAS_ACR_ANALOG_PDOWN; | |
695 | if (tas_write_reg(tas, TAS_REG_ACR, 1, &tas->acr)) | |
30719206 | 696 | goto outerr; |
6a4f5787 BH |
697 | |
698 | return 0; | |
30719206 JB |
699 | outerr: |
700 | return -ENODEV; | |
6a4f5787 BH |
701 | } |
702 | ||
703 | static int tas_switch_clock(struct codec_info_item *cii, enum clock_switch clock) | |
704 | { | |
705 | struct tas *tas = cii->codec_data; | |
706 | ||
707 | switch(clock) { | |
708 | case CLOCK_SWITCH_PREPARE_SLAVE: | |
709 | /* Clocks are going away, mute mute mute */ | |
710 | tas->codec.gpio->methods->all_amps_off(tas->codec.gpio); | |
711 | tas->hw_enabled = 0; | |
712 | break; | |
713 | case CLOCK_SWITCH_SLAVE: | |
714 | /* Clocks are back, re-init the codec */ | |
30719206 | 715 | mutex_lock(&tas->mtx); |
6a4f5787 BH |
716 | tas_reset_init(tas); |
717 | tas_set_volume(tas); | |
718 | tas_set_mixer(tas); | |
719 | tas->hw_enabled = 1; | |
720 | tas->codec.gpio->methods->all_amps_restore(tas->codec.gpio); | |
30719206 | 721 | mutex_unlock(&tas->mtx); |
6a4f5787 BH |
722 | break; |
723 | default: | |
724 | /* doesn't happen as of now */ | |
725 | return -EINVAL; | |
726 | } | |
f3d9478b JB |
727 | return 0; |
728 | } | |
729 | ||
1f28960b | 730 | #ifdef CONFIG_PM |
f3d9478b JB |
731 | /* we are controlled via i2c and assume that is always up |
732 | * If that wasn't the case, we'd have to suspend once | |
733 | * our i2c device is suspended, and then take note of that! */ | |
734 | static int tas_suspend(struct tas *tas) | |
735 | { | |
30719206 | 736 | mutex_lock(&tas->mtx); |
6a4f5787 | 737 | tas->hw_enabled = 0; |
f3d9478b JB |
738 | tas->acr |= TAS_ACR_ANALOG_PDOWN; |
739 | tas_write_reg(tas, TAS_REG_ACR, 1, &tas->acr); | |
30719206 | 740 | mutex_unlock(&tas->mtx); |
f3d9478b JB |
741 | return 0; |
742 | } | |
743 | ||
744 | static int tas_resume(struct tas *tas) | |
745 | { | |
746 | /* reset codec */ | |
30719206 | 747 | mutex_lock(&tas->mtx); |
f3d9478b JB |
748 | tas_reset_init(tas); |
749 | tas_set_volume(tas); | |
750 | tas_set_mixer(tas); | |
6a4f5787 | 751 | tas->hw_enabled = 1; |
30719206 | 752 | mutex_unlock(&tas->mtx); |
f3d9478b JB |
753 | return 0; |
754 | } | |
755 | ||
f3d9478b JB |
756 | static int _tas_suspend(struct codec_info_item *cii, pm_message_t state) |
757 | { | |
758 | return tas_suspend(cii->codec_data); | |
759 | } | |
760 | ||
761 | static int _tas_resume(struct codec_info_item *cii) | |
762 | { | |
763 | return tas_resume(cii->codec_data); | |
764 | } | |
1f28960b SR |
765 | #else /* CONFIG_PM */ |
766 | #define _tas_suspend NULL | |
767 | #define _tas_resume NULL | |
768 | #endif /* CONFIG_PM */ | |
f3d9478b JB |
769 | |
770 | static struct codec_info tas_codec_info = { | |
771 | .transfers = tas_transfers, | |
772 | /* in theory, we can drive it at 512 too... | |
773 | * but so far the framework doesn't allow | |
774 | * for that and I don't see much point in it. */ | |
775 | .sysclock_factor = 256, | |
776 | /* same here, could be 32 for just one 16 bit format */ | |
777 | .bus_factor = 64, | |
778 | .owner = THIS_MODULE, | |
779 | .usable = tas_usable, | |
6a4f5787 | 780 | .switch_clock = tas_switch_clock, |
f3d9478b JB |
781 | .suspend = _tas_suspend, |
782 | .resume = _tas_resume, | |
f3d9478b JB |
783 | }; |
784 | ||
785 | static int tas_init_codec(struct aoa_codec *codec) | |
786 | { | |
787 | struct tas *tas = codec_to_tas(codec); | |
788 | int err; | |
789 | ||
790 | if (!tas->codec.gpio || !tas->codec.gpio->methods) { | |
791 | printk(KERN_ERR PFX "gpios not assigned!!\n"); | |
792 | return -EINVAL; | |
793 | } | |
794 | ||
30719206 | 795 | mutex_lock(&tas->mtx); |
f3d9478b JB |
796 | if (tas_reset_init(tas)) { |
797 | printk(KERN_ERR PFX "tas failed to initialise\n"); | |
30719206 | 798 | mutex_unlock(&tas->mtx); |
f3d9478b JB |
799 | return -ENXIO; |
800 | } | |
6a4f5787 | 801 | tas->hw_enabled = 1; |
30719206 | 802 | mutex_unlock(&tas->mtx); |
f3d9478b JB |
803 | |
804 | if (tas->codec.soundbus_dev->attach_codec(tas->codec.soundbus_dev, | |
805 | aoa_get_card(), | |
806 | &tas_codec_info, tas)) { | |
807 | printk(KERN_ERR PFX "error attaching tas to soundbus\n"); | |
808 | return -ENODEV; | |
809 | } | |
810 | ||
811 | if (aoa_snd_device_new(SNDRV_DEV_LOWLEVEL, tas, &ops)) { | |
812 | printk(KERN_ERR PFX "failed to create tas snd device!\n"); | |
813 | return -ENODEV; | |
814 | } | |
815 | err = aoa_snd_ctl_add(snd_ctl_new1(&volume_control, tas)); | |
816 | if (err) | |
817 | goto error; | |
818 | ||
819 | err = aoa_snd_ctl_add(snd_ctl_new1(&mute_control, tas)); | |
820 | if (err) | |
821 | goto error; | |
822 | ||
823 | err = aoa_snd_ctl_add(snd_ctl_new1(&pcm1_control, tas)); | |
824 | if (err) | |
825 | goto error; | |
826 | ||
827 | err = aoa_snd_ctl_add(snd_ctl_new1(&monitor_control, tas)); | |
828 | if (err) | |
829 | goto error; | |
830 | ||
831 | err = aoa_snd_ctl_add(snd_ctl_new1(&capture_source_control, tas)); | |
832 | if (err) | |
833 | goto error; | |
834 | ||
9b8f52f5 JB |
835 | err = aoa_snd_ctl_add(snd_ctl_new1(&drc_range_control, tas)); |
836 | if (err) | |
837 | goto error; | |
838 | ||
839 | err = aoa_snd_ctl_add(snd_ctl_new1(&drc_switch_control, tas)); | |
840 | if (err) | |
841 | goto error; | |
842 | ||
50099328 JB |
843 | err = aoa_snd_ctl_add(snd_ctl_new1(&treble_control, tas)); |
844 | if (err) | |
845 | goto error; | |
846 | ||
847 | err = aoa_snd_ctl_add(snd_ctl_new1(&bass_control, tas)); | |
848 | if (err) | |
849 | goto error; | |
850 | ||
f3d9478b JB |
851 | return 0; |
852 | error: | |
853 | tas->codec.soundbus_dev->detach_codec(tas->codec.soundbus_dev, tas); | |
854 | snd_device_free(aoa_get_card(), tas); | |
855 | return err; | |
856 | } | |
857 | ||
858 | static void tas_exit_codec(struct aoa_codec *codec) | |
859 | { | |
860 | struct tas *tas = codec_to_tas(codec); | |
861 | ||
862 | if (!tas->codec.soundbus_dev) | |
863 | return; | |
864 | tas->codec.soundbus_dev->detach_codec(tas->codec.soundbus_dev, tas); | |
865 | } | |
866 | ||
867 | ||
868 | static struct i2c_driver tas_driver; | |
869 | ||
870 | static int tas_create(struct i2c_adapter *adapter, | |
871 | struct device_node *node, | |
872 | int addr) | |
873 | { | |
874 | struct tas *tas; | |
875 | ||
876 | tas = kzalloc(sizeof(struct tas), GFP_KERNEL); | |
877 | ||
878 | if (!tas) | |
879 | return -ENOMEM; | |
880 | ||
30719206 | 881 | mutex_init(&tas->mtx); |
f3d9478b JB |
882 | tas->i2c.driver = &tas_driver; |
883 | tas->i2c.adapter = adapter; | |
884 | tas->i2c.addr = addr; | |
9b8f52f5 JB |
885 | /* seems that half is a saner default */ |
886 | tas->drc_range = TAS3004_DRC_MAX / 2; | |
023ff3ee | 887 | strlcpy(tas->i2c.name, "tas audio codec", I2C_NAME_SIZE); |
f3d9478b JB |
888 | |
889 | if (i2c_attach_client(&tas->i2c)) { | |
890 | printk(KERN_ERR PFX "failed to attach to i2c\n"); | |
891 | goto fail; | |
892 | } | |
893 | ||
023ff3ee | 894 | strlcpy(tas->codec.name, "tas", MAX_CODEC_NAME_LEN); |
f3d9478b JB |
895 | tas->codec.owner = THIS_MODULE; |
896 | tas->codec.init = tas_init_codec; | |
897 | tas->codec.exit = tas_exit_codec; | |
898 | tas->codec.node = of_node_get(node); | |
899 | ||
900 | if (aoa_codec_register(&tas->codec)) { | |
901 | goto detach; | |
902 | } | |
6a4f5787 BH |
903 | printk(KERN_DEBUG |
904 | "snd-aoa-codec-tas: tas found, addr 0x%02x on %s\n", | |
905 | addr, node->full_name); | |
f3d9478b JB |
906 | return 0; |
907 | detach: | |
908 | i2c_detach_client(&tas->i2c); | |
909 | fail: | |
30719206 | 910 | mutex_destroy(&tas->mtx); |
f3d9478b JB |
911 | kfree(tas); |
912 | return -EINVAL; | |
913 | } | |
914 | ||
915 | static int tas_i2c_attach(struct i2c_adapter *adapter) | |
916 | { | |
917 | struct device_node *busnode, *dev = NULL; | |
918 | struct pmac_i2c_bus *bus; | |
919 | ||
920 | bus = pmac_i2c_adapter_to_bus(adapter); | |
921 | if (bus == NULL) | |
922 | return -ENODEV; | |
923 | busnode = pmac_i2c_get_bus_node(bus); | |
924 | ||
925 | while ((dev = of_get_next_child(busnode, dev)) != NULL) { | |
55b61fec | 926 | if (of_device_is_compatible(dev, "tas3004")) { |
a7edd0e6 | 927 | const u32 *addr; |
f3d9478b | 928 | printk(KERN_DEBUG PFX "found tas3004\n"); |
c4f55b39 | 929 | addr = of_get_property(dev, "reg", NULL); |
f3d9478b JB |
930 | if (!addr) |
931 | continue; | |
932 | return tas_create(adapter, dev, ((*addr) >> 1) & 0x7f); | |
933 | } | |
934 | /* older machines have no 'codec' node with a 'compatible' | |
935 | * property that says 'tas3004', they just have a 'deq' | |
936 | * node without any such property... */ | |
937 | if (strcmp(dev->name, "deq") == 0) { | |
a7edd0e6 SR |
938 | const u32 *_addr; |
939 | u32 addr; | |
f3d9478b | 940 | printk(KERN_DEBUG PFX "found 'deq' node\n"); |
c4f55b39 | 941 | _addr = of_get_property(dev, "i2c-address", NULL); |
f3d9478b JB |
942 | if (!_addr) |
943 | continue; | |
944 | addr = ((*_addr) >> 1) & 0x7f; | |
945 | /* now, if the address doesn't match any of the two | |
946 | * that a tas3004 can have, we cannot handle this. | |
947 | * I doubt it ever happens but hey. */ | |
948 | if (addr != 0x34 && addr != 0x35) | |
949 | continue; | |
950 | return tas_create(adapter, dev, addr); | |
951 | } | |
952 | } | |
953 | return -ENODEV; | |
954 | } | |
955 | ||
956 | static int tas_i2c_detach(struct i2c_client *client) | |
957 | { | |
958 | struct tas *tas = container_of(client, struct tas, i2c); | |
959 | int err; | |
960 | u8 tmp = TAS_ACR_ANALOG_PDOWN; | |
961 | ||
962 | if ((err = i2c_detach_client(client))) | |
963 | return err; | |
964 | aoa_codec_unregister(&tas->codec); | |
965 | of_node_put(tas->codec.node); | |
966 | ||
967 | /* power down codec chip */ | |
968 | tas_write_reg(tas, TAS_REG_ACR, 1, &tmp); | |
969 | ||
30719206 | 970 | mutex_destroy(&tas->mtx); |
f3d9478b JB |
971 | kfree(tas); |
972 | return 0; | |
973 | } | |
974 | ||
975 | static struct i2c_driver tas_driver = { | |
976 | .driver = { | |
977 | .name = "aoa_codec_tas", | |
978 | .owner = THIS_MODULE, | |
979 | }, | |
980 | .attach_adapter = tas_i2c_attach, | |
981 | .detach_client = tas_i2c_detach, | |
982 | }; | |
983 | ||
984 | static int __init tas_init(void) | |
985 | { | |
986 | return i2c_add_driver(&tas_driver); | |
987 | } | |
988 | ||
989 | static void __exit tas_exit(void) | |
990 | { | |
991 | i2c_del_driver(&tas_driver); | |
992 | } | |
993 | ||
994 | module_init(tas_init); | |
995 | module_exit(tas_exit); |