Commit | Line | Data |
---|---|---|
07ed873e MB |
1 | /* |
2 | * arizona.c - Wolfson Arizona class device shared support | |
3 | * | |
4 | * Copyright 2012 Wolfson Microelectronics plc | |
5 | * | |
6 | * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License version 2 as | |
10 | * published by the Free Software Foundation. | |
11 | */ | |
12 | ||
13 | #include <linux/gcd.h> | |
14 | #include <linux/module.h> | |
15 | #include <linux/pm_runtime.h> | |
16 | #include <sound/pcm.h> | |
17 | #include <sound/pcm_params.h> | |
18 | #include <sound/tlv.h> | |
19 | ||
20 | #include <linux/mfd/arizona/core.h> | |
21 | #include <linux/mfd/arizona/registers.h> | |
22 | ||
23 | #include "arizona.h" | |
24 | ||
25 | #define ARIZONA_AIF_BCLK_CTRL 0x00 | |
26 | #define ARIZONA_AIF_TX_PIN_CTRL 0x01 | |
27 | #define ARIZONA_AIF_RX_PIN_CTRL 0x02 | |
28 | #define ARIZONA_AIF_RATE_CTRL 0x03 | |
29 | #define ARIZONA_AIF_FORMAT 0x04 | |
30 | #define ARIZONA_AIF_TX_BCLK_RATE 0x05 | |
31 | #define ARIZONA_AIF_RX_BCLK_RATE 0x06 | |
32 | #define ARIZONA_AIF_FRAME_CTRL_1 0x07 | |
33 | #define ARIZONA_AIF_FRAME_CTRL_2 0x08 | |
34 | #define ARIZONA_AIF_FRAME_CTRL_3 0x09 | |
35 | #define ARIZONA_AIF_FRAME_CTRL_4 0x0A | |
36 | #define ARIZONA_AIF_FRAME_CTRL_5 0x0B | |
37 | #define ARIZONA_AIF_FRAME_CTRL_6 0x0C | |
38 | #define ARIZONA_AIF_FRAME_CTRL_7 0x0D | |
39 | #define ARIZONA_AIF_FRAME_CTRL_8 0x0E | |
40 | #define ARIZONA_AIF_FRAME_CTRL_9 0x0F | |
41 | #define ARIZONA_AIF_FRAME_CTRL_10 0x10 | |
42 | #define ARIZONA_AIF_FRAME_CTRL_11 0x11 | |
43 | #define ARIZONA_AIF_FRAME_CTRL_12 0x12 | |
44 | #define ARIZONA_AIF_FRAME_CTRL_13 0x13 | |
45 | #define ARIZONA_AIF_FRAME_CTRL_14 0x14 | |
46 | #define ARIZONA_AIF_FRAME_CTRL_15 0x15 | |
47 | #define ARIZONA_AIF_FRAME_CTRL_16 0x16 | |
48 | #define ARIZONA_AIF_FRAME_CTRL_17 0x17 | |
49 | #define ARIZONA_AIF_FRAME_CTRL_18 0x18 | |
50 | #define ARIZONA_AIF_TX_ENABLES 0x19 | |
51 | #define ARIZONA_AIF_RX_ENABLES 0x1A | |
52 | #define ARIZONA_AIF_FORCE_WRITE 0x1B | |
53 | ||
54 | #define arizona_fll_err(_fll, fmt, ...) \ | |
55 | dev_err(_fll->arizona->dev, "FLL%d: " fmt, _fll->id, ##__VA_ARGS__) | |
56 | #define arizona_fll_warn(_fll, fmt, ...) \ | |
57 | dev_warn(_fll->arizona->dev, "FLL%d: " fmt, _fll->id, ##__VA_ARGS__) | |
58 | #define arizona_fll_dbg(_fll, fmt, ...) \ | |
59 | dev_err(_fll->arizona->dev, "FLL%d: " fmt, _fll->id, ##__VA_ARGS__) | |
60 | ||
61 | #define arizona_aif_err(_dai, fmt, ...) \ | |
62 | dev_err(_dai->dev, "AIF%d: " fmt, _dai->id, ##__VA_ARGS__) | |
63 | #define arizona_aif_warn(_dai, fmt, ...) \ | |
64 | dev_warn(_dai->dev, "AIF%d: " fmt, _dai->id, ##__VA_ARGS__) | |
65 | #define arizona_aif_dbg(_dai, fmt, ...) \ | |
66 | dev_err(_dai->dev, "AIF%d: " fmt, _dai->id, ##__VA_ARGS__) | |
67 | ||
68 | const char *arizona_mixer_texts[ARIZONA_NUM_MIXER_INPUTS] = { | |
69 | "None", | |
70 | "Tone Generator 1", | |
71 | "Tone Generator 2", | |
72 | "Haptics", | |
73 | "AEC", | |
74 | "Mic Mute Mixer", | |
75 | "Noise Generator", | |
76 | "IN1L", | |
77 | "IN1R", | |
78 | "IN2L", | |
79 | "IN2R", | |
80 | "IN3L", | |
81 | "IN3R", | |
c9c56fd0 MB |
82 | "IN4L", |
83 | "IN4R", | |
07ed873e MB |
84 | "AIF1RX1", |
85 | "AIF1RX2", | |
86 | "AIF1RX3", | |
87 | "AIF1RX4", | |
88 | "AIF1RX5", | |
89 | "AIF1RX6", | |
90 | "AIF1RX7", | |
91 | "AIF1RX8", | |
92 | "AIF2RX1", | |
93 | "AIF2RX2", | |
94 | "AIF3RX1", | |
95 | "AIF3RX2", | |
96 | "SLIMRX1", | |
97 | "SLIMRX2", | |
98 | "SLIMRX3", | |
99 | "SLIMRX4", | |
100 | "SLIMRX5", | |
101 | "SLIMRX6", | |
102 | "SLIMRX7", | |
103 | "SLIMRX8", | |
104 | "EQ1", | |
105 | "EQ2", | |
106 | "EQ3", | |
107 | "EQ4", | |
108 | "DRC1L", | |
109 | "DRC1R", | |
110 | "DRC2L", | |
111 | "DRC2R", | |
112 | "LHPF1", | |
113 | "LHPF2", | |
114 | "LHPF3", | |
115 | "LHPF4", | |
116 | "DSP1.1", | |
117 | "DSP1.2", | |
118 | "DSP1.3", | |
119 | "DSP1.4", | |
120 | "DSP1.5", | |
121 | "DSP1.6", | |
122 | "ASRC1L", | |
123 | "ASRC1R", | |
124 | "ASRC2L", | |
125 | "ASRC2R", | |
126 | }; | |
127 | EXPORT_SYMBOL_GPL(arizona_mixer_texts); | |
128 | ||
129 | int arizona_mixer_values[ARIZONA_NUM_MIXER_INPUTS] = { | |
130 | 0x00, /* None */ | |
131 | 0x04, /* Tone */ | |
132 | 0x05, | |
133 | 0x06, /* Haptics */ | |
134 | 0x08, /* AEC */ | |
135 | 0x0c, /* Noise mixer */ | |
136 | 0x0d, /* Comfort noise */ | |
137 | 0x10, /* IN1L */ | |
138 | 0x11, | |
139 | 0x12, | |
140 | 0x13, | |
141 | 0x14, | |
142 | 0x15, | |
c9c56fd0 MB |
143 | 0x16, |
144 | 0x17, | |
07ed873e MB |
145 | 0x20, /* AIF1RX1 */ |
146 | 0x21, | |
147 | 0x22, | |
148 | 0x23, | |
149 | 0x24, | |
150 | 0x25, | |
151 | 0x26, | |
152 | 0x27, | |
153 | 0x28, /* AIF2RX1 */ | |
154 | 0x29, | |
155 | 0x30, /* AIF3RX1 */ | |
156 | 0x31, | |
157 | 0x38, /* SLIMRX1 */ | |
158 | 0x39, | |
159 | 0x3a, | |
160 | 0x3b, | |
161 | 0x3c, | |
162 | 0x3d, | |
163 | 0x3e, | |
164 | 0x3f, | |
165 | 0x50, /* EQ1 */ | |
166 | 0x51, | |
167 | 0x52, | |
168 | 0x53, | |
169 | 0x58, /* DRC1L */ | |
170 | 0x59, | |
171 | 0x5a, | |
172 | 0x5b, | |
173 | 0x60, /* LHPF1 */ | |
174 | 0x61, | |
175 | 0x62, | |
176 | 0x63, | |
177 | 0x68, /* DSP1.1 */ | |
178 | 0x69, | |
179 | 0x6a, | |
180 | 0x6b, | |
181 | 0x6c, | |
182 | 0x6d, | |
183 | 0x90, /* ASRC1L */ | |
184 | 0x91, | |
185 | 0x92, | |
186 | 0x93, | |
187 | }; | |
188 | EXPORT_SYMBOL_GPL(arizona_mixer_values); | |
189 | ||
190 | const DECLARE_TLV_DB_SCALE(arizona_mixer_tlv, -3200, 100, 0); | |
191 | EXPORT_SYMBOL_GPL(arizona_mixer_tlv); | |
192 | ||
193 | static const char *arizona_lhpf_mode_text[] = { | |
194 | "Low-pass", "High-pass" | |
195 | }; | |
196 | ||
197 | const struct soc_enum arizona_lhpf1_mode = | |
198 | SOC_ENUM_SINGLE(ARIZONA_HPLPF1_1, ARIZONA_LHPF1_MODE_SHIFT, 2, | |
199 | arizona_lhpf_mode_text); | |
200 | EXPORT_SYMBOL_GPL(arizona_lhpf1_mode); | |
201 | ||
202 | const struct soc_enum arizona_lhpf2_mode = | |
203 | SOC_ENUM_SINGLE(ARIZONA_HPLPF2_1, ARIZONA_LHPF2_MODE_SHIFT, 2, | |
204 | arizona_lhpf_mode_text); | |
205 | EXPORT_SYMBOL_GPL(arizona_lhpf2_mode); | |
206 | ||
207 | const struct soc_enum arizona_lhpf3_mode = | |
208 | SOC_ENUM_SINGLE(ARIZONA_HPLPF3_1, ARIZONA_LHPF3_MODE_SHIFT, 2, | |
209 | arizona_lhpf_mode_text); | |
210 | EXPORT_SYMBOL_GPL(arizona_lhpf3_mode); | |
211 | ||
212 | const struct soc_enum arizona_lhpf4_mode = | |
213 | SOC_ENUM_SINGLE(ARIZONA_HPLPF4_1, ARIZONA_LHPF4_MODE_SHIFT, 2, | |
214 | arizona_lhpf_mode_text); | |
215 | EXPORT_SYMBOL_GPL(arizona_lhpf4_mode); | |
216 | ||
217 | int arizona_in_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, | |
218 | int event) | |
219 | { | |
220 | return 0; | |
221 | } | |
222 | EXPORT_SYMBOL_GPL(arizona_in_ev); | |
223 | ||
224 | int arizona_out_ev(struct snd_soc_dapm_widget *w, | |
225 | struct snd_kcontrol *kcontrol, | |
226 | int event) | |
227 | { | |
228 | return 0; | |
229 | } | |
230 | EXPORT_SYMBOL_GPL(arizona_out_ev); | |
231 | ||
232 | int arizona_set_sysclk(struct snd_soc_codec *codec, int clk_id, | |
233 | int source, unsigned int freq, int dir) | |
234 | { | |
235 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); | |
236 | struct arizona *arizona = priv->arizona; | |
237 | char *name; | |
238 | unsigned int reg; | |
239 | unsigned int mask = ARIZONA_SYSCLK_FREQ_MASK | ARIZONA_SYSCLK_SRC_MASK; | |
240 | unsigned int val = source << ARIZONA_SYSCLK_SRC_SHIFT; | |
241 | unsigned int *clk; | |
242 | ||
243 | switch (clk_id) { | |
244 | case ARIZONA_CLK_SYSCLK: | |
245 | name = "SYSCLK"; | |
246 | reg = ARIZONA_SYSTEM_CLOCK_1; | |
247 | clk = &priv->sysclk; | |
248 | mask |= ARIZONA_SYSCLK_FRAC; | |
249 | break; | |
250 | case ARIZONA_CLK_ASYNCCLK: | |
251 | name = "ASYNCCLK"; | |
252 | reg = ARIZONA_ASYNC_CLOCK_1; | |
253 | clk = &priv->asyncclk; | |
254 | break; | |
255 | default: | |
256 | return -EINVAL; | |
257 | } | |
258 | ||
259 | switch (freq) { | |
260 | case 5644800: | |
261 | case 6144000: | |
262 | break; | |
263 | case 11289600: | |
264 | case 12288000: | |
265 | val |= 1 << ARIZONA_SYSCLK_FREQ_SHIFT; | |
266 | break; | |
267 | case 22579200: | |
268 | case 24576000: | |
269 | val |= 2 << ARIZONA_SYSCLK_FREQ_SHIFT; | |
270 | break; | |
271 | case 45158400: | |
272 | case 49152000: | |
273 | val |= 3 << ARIZONA_SYSCLK_FREQ_SHIFT; | |
274 | break; | |
275 | default: | |
276 | return -EINVAL; | |
277 | } | |
278 | ||
279 | *clk = freq; | |
280 | ||
281 | if (freq % 6144000) | |
282 | val |= ARIZONA_SYSCLK_FRAC; | |
283 | ||
284 | dev_dbg(arizona->dev, "%s set to %uHz", name, freq); | |
285 | ||
286 | return regmap_update_bits(arizona->regmap, reg, mask, val); | |
287 | } | |
288 | EXPORT_SYMBOL_GPL(arizona_set_sysclk); | |
289 | ||
290 | static int arizona_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) | |
291 | { | |
292 | struct snd_soc_codec *codec = dai->codec; | |
293 | int lrclk, bclk, mode, base; | |
294 | ||
295 | base = dai->driver->base; | |
296 | ||
297 | lrclk = 0; | |
298 | bclk = 0; | |
299 | ||
300 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
301 | case SND_SOC_DAIFMT_DSP_A: | |
302 | mode = 0; | |
303 | break; | |
304 | case SND_SOC_DAIFMT_DSP_B: | |
305 | mode = 1; | |
306 | break; | |
307 | case SND_SOC_DAIFMT_I2S: | |
308 | mode = 2; | |
309 | break; | |
310 | case SND_SOC_DAIFMT_LEFT_J: | |
311 | mode = 3; | |
312 | break; | |
313 | default: | |
314 | arizona_aif_err(dai, "Unsupported DAI format %d\n", | |
315 | fmt & SND_SOC_DAIFMT_FORMAT_MASK); | |
316 | return -EINVAL; | |
317 | } | |
318 | ||
319 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
320 | case SND_SOC_DAIFMT_CBS_CFS: | |
321 | break; | |
322 | case SND_SOC_DAIFMT_CBS_CFM: | |
323 | lrclk |= ARIZONA_AIF1TX_LRCLK_MSTR; | |
324 | break; | |
325 | case SND_SOC_DAIFMT_CBM_CFS: | |
326 | bclk |= ARIZONA_AIF1_BCLK_MSTR; | |
327 | break; | |
328 | case SND_SOC_DAIFMT_CBM_CFM: | |
329 | bclk |= ARIZONA_AIF1_BCLK_MSTR; | |
330 | lrclk |= ARIZONA_AIF1TX_LRCLK_MSTR; | |
331 | break; | |
332 | default: | |
333 | arizona_aif_err(dai, "Unsupported master mode %d\n", | |
334 | fmt & SND_SOC_DAIFMT_MASTER_MASK); | |
335 | return -EINVAL; | |
336 | } | |
337 | ||
338 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
339 | case SND_SOC_DAIFMT_NB_NF: | |
340 | break; | |
341 | case SND_SOC_DAIFMT_IB_IF: | |
342 | bclk |= ARIZONA_AIF1_BCLK_INV; | |
343 | lrclk |= ARIZONA_AIF1TX_LRCLK_INV; | |
344 | break; | |
345 | case SND_SOC_DAIFMT_IB_NF: | |
346 | bclk |= ARIZONA_AIF1_BCLK_INV; | |
347 | break; | |
348 | case SND_SOC_DAIFMT_NB_IF: | |
349 | lrclk |= ARIZONA_AIF1TX_LRCLK_INV; | |
350 | break; | |
351 | default: | |
352 | return -EINVAL; | |
353 | } | |
354 | ||
355 | snd_soc_update_bits(codec, base + ARIZONA_AIF_BCLK_CTRL, | |
356 | ARIZONA_AIF1_BCLK_INV | ARIZONA_AIF1_BCLK_MSTR, | |
357 | bclk); | |
358 | snd_soc_update_bits(codec, base + ARIZONA_AIF_TX_PIN_CTRL, | |
359 | ARIZONA_AIF1TX_LRCLK_INV | | |
360 | ARIZONA_AIF1TX_LRCLK_MSTR, lrclk); | |
361 | snd_soc_update_bits(codec, base + ARIZONA_AIF_RX_PIN_CTRL, | |
362 | ARIZONA_AIF1RX_LRCLK_INV | | |
363 | ARIZONA_AIF1RX_LRCLK_MSTR, lrclk); | |
364 | snd_soc_update_bits(codec, base + ARIZONA_AIF_FORMAT, | |
365 | ARIZONA_AIF1_FMT_MASK, mode); | |
366 | ||
367 | return 0; | |
368 | } | |
369 | ||
949e6bc7 | 370 | static const int arizona_48k_bclk_rates[] = { |
07ed873e MB |
371 | -1, |
372 | 48000, | |
373 | 64000, | |
374 | 96000, | |
375 | 128000, | |
376 | 192000, | |
377 | 256000, | |
378 | 384000, | |
379 | 512000, | |
380 | 768000, | |
381 | 1024000, | |
382 | 1536000, | |
383 | 2048000, | |
384 | 3072000, | |
385 | 4096000, | |
386 | 6144000, | |
387 | 8192000, | |
388 | 12288000, | |
389 | 24576000, | |
390 | }; | |
391 | ||
5b2eec3f MB |
392 | static const unsigned int arizona_48k_rates[] = { |
393 | 12000, | |
394 | 24000, | |
395 | 48000, | |
396 | 96000, | |
397 | 192000, | |
398 | 384000, | |
399 | 768000, | |
400 | 4000, | |
401 | 8000, | |
402 | 16000, | |
403 | 32000, | |
404 | 64000, | |
405 | 128000, | |
406 | 256000, | |
407 | 512000, | |
408 | }; | |
409 | ||
410 | static const struct snd_pcm_hw_constraint_list arizona_48k_constraint = { | |
411 | .count = ARRAY_SIZE(arizona_48k_rates), | |
412 | .list = arizona_48k_rates, | |
413 | }; | |
414 | ||
949e6bc7 | 415 | static const int arizona_44k1_bclk_rates[] = { |
07ed873e MB |
416 | -1, |
417 | 44100, | |
418 | 58800, | |
419 | 88200, | |
420 | 117600, | |
421 | 177640, | |
422 | 235200, | |
423 | 352800, | |
424 | 470400, | |
425 | 705600, | |
426 | 940800, | |
427 | 1411200, | |
428 | 1881600, | |
429 | 2882400, | |
430 | 3763200, | |
431 | 5644800, | |
432 | 7526400, | |
433 | 11289600, | |
434 | 22579200, | |
435 | }; | |
436 | ||
5b2eec3f MB |
437 | static const unsigned int arizona_44k1_rates[] = { |
438 | 11025, | |
439 | 22050, | |
440 | 44100, | |
441 | 88200, | |
442 | 176400, | |
443 | 352800, | |
444 | 705600, | |
445 | }; | |
446 | ||
447 | static const struct snd_pcm_hw_constraint_list arizona_44k1_constraint = { | |
448 | .count = ARRAY_SIZE(arizona_44k1_rates), | |
449 | .list = arizona_44k1_rates, | |
450 | }; | |
451 | ||
07ed873e MB |
452 | static int arizona_sr_vals[] = { |
453 | 0, | |
454 | 12000, | |
455 | 24000, | |
456 | 48000, | |
457 | 96000, | |
458 | 192000, | |
459 | 384000, | |
460 | 768000, | |
461 | 0, | |
462 | 11025, | |
463 | 22050, | |
464 | 44100, | |
465 | 88200, | |
466 | 176400, | |
467 | 352800, | |
468 | 705600, | |
469 | 4000, | |
470 | 8000, | |
471 | 16000, | |
472 | 32000, | |
473 | 64000, | |
474 | 128000, | |
475 | 256000, | |
476 | 512000, | |
477 | }; | |
478 | ||
5b2eec3f MB |
479 | static int arizona_startup(struct snd_pcm_substream *substream, |
480 | struct snd_soc_dai *dai) | |
481 | { | |
482 | struct snd_soc_codec *codec = dai->codec; | |
483 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); | |
484 | struct arizona_dai_priv *dai_priv = &priv->dai[dai->id - 1]; | |
485 | const struct snd_pcm_hw_constraint_list *constraint; | |
486 | unsigned int base_rate; | |
487 | ||
488 | switch (dai_priv->clk) { | |
489 | case ARIZONA_CLK_SYSCLK: | |
490 | base_rate = priv->sysclk; | |
491 | break; | |
492 | case ARIZONA_CLK_ASYNCCLK: | |
493 | base_rate = priv->asyncclk; | |
494 | break; | |
495 | default: | |
496 | return 0; | |
497 | } | |
498 | ||
499 | if (base_rate % 8000) | |
500 | constraint = &arizona_44k1_constraint; | |
501 | else | |
502 | constraint = &arizona_48k_constraint; | |
503 | ||
504 | return snd_pcm_hw_constraint_list(substream->runtime, 0, | |
505 | SNDRV_PCM_HW_PARAM_RATE, | |
506 | constraint); | |
507 | } | |
508 | ||
07ed873e MB |
509 | static int arizona_hw_params(struct snd_pcm_substream *substream, |
510 | struct snd_pcm_hw_params *params, | |
511 | struct snd_soc_dai *dai) | |
512 | { | |
513 | struct snd_soc_codec *codec = dai->codec; | |
c013b27a MB |
514 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); |
515 | struct arizona_dai_priv *dai_priv = &priv->dai[dai->id - 1]; | |
07ed873e MB |
516 | int base = dai->driver->base; |
517 | const int *rates; | |
518 | int i; | |
519 | int bclk, lrclk, wl, frame, sr_val; | |
520 | ||
521 | if (params_rate(params) % 8000) | |
949e6bc7 | 522 | rates = &arizona_44k1_bclk_rates[0]; |
07ed873e | 523 | else |
949e6bc7 | 524 | rates = &arizona_48k_bclk_rates[0]; |
07ed873e | 525 | |
949e6bc7 | 526 | for (i = 0; i < ARRAY_SIZE(arizona_44k1_bclk_rates); i++) { |
5001765f MB |
527 | if (rates[i] >= snd_soc_params_to_bclk(params) && |
528 | rates[i] % params_rate(params) == 0) { | |
07ed873e MB |
529 | bclk = i; |
530 | break; | |
531 | } | |
532 | } | |
949e6bc7 | 533 | if (i == ARRAY_SIZE(arizona_44k1_bclk_rates)) { |
07ed873e MB |
534 | arizona_aif_err(dai, "Unsupported sample rate %dHz\n", |
535 | params_rate(params)); | |
536 | return -EINVAL; | |
537 | } | |
538 | ||
07ed873e MB |
539 | for (i = 0; i < ARRAY_SIZE(arizona_sr_vals); i++) |
540 | if (arizona_sr_vals[i] == params_rate(params)) | |
541 | break; | |
542 | if (i == ARRAY_SIZE(arizona_sr_vals)) { | |
543 | arizona_aif_err(dai, "Unsupported sample rate %dHz\n", | |
544 | params_rate(params)); | |
545 | return -EINVAL; | |
546 | } | |
547 | sr_val = i; | |
548 | ||
549 | lrclk = snd_soc_params_to_bclk(params) / params_rate(params); | |
550 | ||
551 | arizona_aif_dbg(dai, "BCLK %dHz LRCLK %dHz\n", | |
552 | rates[bclk], rates[bclk] / lrclk); | |
553 | ||
554 | wl = snd_pcm_format_width(params_format(params)); | |
555 | frame = wl << ARIZONA_AIF1TX_WL_SHIFT | wl; | |
556 | ||
c013b27a MB |
557 | /* |
558 | * We will need to be more flexible than this in future, | |
559 | * currently we use a single sample rate for SYSCLK. | |
560 | */ | |
561 | switch (dai_priv->clk) { | |
562 | case ARIZONA_CLK_SYSCLK: | |
563 | snd_soc_update_bits(codec, ARIZONA_SAMPLE_RATE_1, | |
564 | ARIZONA_SAMPLE_RATE_1_MASK, sr_val); | |
565 | snd_soc_update_bits(codec, base + ARIZONA_AIF_RATE_CTRL, | |
566 | ARIZONA_AIF1_RATE_MASK, 0); | |
567 | break; | |
568 | case ARIZONA_CLK_ASYNCCLK: | |
569 | snd_soc_update_bits(codec, ARIZONA_ASYNC_SAMPLE_RATE_1, | |
570 | ARIZONA_ASYNC_SAMPLE_RATE_MASK, sr_val); | |
571 | snd_soc_update_bits(codec, base + ARIZONA_AIF_RATE_CTRL, | |
572 | ARIZONA_AIF1_RATE_MASK, 8); | |
573 | break; | |
574 | default: | |
575 | arizona_aif_err(dai, "Invalid clock %d\n", dai_priv->clk); | |
576 | return -EINVAL; | |
577 | } | |
578 | ||
07ed873e MB |
579 | snd_soc_update_bits(codec, base + ARIZONA_AIF_BCLK_CTRL, |
580 | ARIZONA_AIF1_BCLK_FREQ_MASK, bclk); | |
581 | snd_soc_update_bits(codec, base + ARIZONA_AIF_TX_BCLK_RATE, | |
582 | ARIZONA_AIF1TX_BCPF_MASK, lrclk); | |
583 | snd_soc_update_bits(codec, base + ARIZONA_AIF_RX_BCLK_RATE, | |
584 | ARIZONA_AIF1RX_BCPF_MASK, lrclk); | |
585 | snd_soc_update_bits(codec, base + ARIZONA_AIF_FRAME_CTRL_1, | |
586 | ARIZONA_AIF1TX_WL_MASK | | |
587 | ARIZONA_AIF1TX_SLOT_LEN_MASK, frame); | |
588 | snd_soc_update_bits(codec, base + ARIZONA_AIF_FRAME_CTRL_2, | |
589 | ARIZONA_AIF1RX_WL_MASK | | |
590 | ARIZONA_AIF1RX_SLOT_LEN_MASK, frame); | |
591 | ||
592 | return 0; | |
593 | } | |
594 | ||
410837a7 MB |
595 | static const char *arizona_dai_clk_str(int clk_id) |
596 | { | |
597 | switch (clk_id) { | |
598 | case ARIZONA_CLK_SYSCLK: | |
599 | return "SYSCLK"; | |
600 | case ARIZONA_CLK_ASYNCCLK: | |
601 | return "ASYNCCLK"; | |
602 | default: | |
603 | return "Unknown clock"; | |
604 | } | |
605 | } | |
606 | ||
5b2eec3f MB |
607 | static int arizona_dai_set_sysclk(struct snd_soc_dai *dai, |
608 | int clk_id, unsigned int freq, int dir) | |
609 | { | |
610 | struct snd_soc_codec *codec = dai->codec; | |
611 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); | |
612 | struct arizona_dai_priv *dai_priv = &priv->dai[dai->id - 1]; | |
410837a7 | 613 | struct snd_soc_dapm_route routes[2]; |
5b2eec3f MB |
614 | |
615 | switch (clk_id) { | |
616 | case ARIZONA_CLK_SYSCLK: | |
617 | case ARIZONA_CLK_ASYNCCLK: | |
618 | break; | |
619 | default: | |
620 | return -EINVAL; | |
621 | } | |
622 | ||
410837a7 MB |
623 | if (clk_id == dai_priv->clk) |
624 | return 0; | |
625 | ||
626 | if (dai->active) { | |
5b2eec3f MB |
627 | dev_err(codec->dev, "Can't change clock on active DAI %d\n", |
628 | dai->id); | |
629 | return -EBUSY; | |
630 | } | |
631 | ||
410837a7 MB |
632 | memset(&routes, 0, sizeof(routes)); |
633 | routes[0].sink = dai->driver->capture.stream_name; | |
634 | routes[1].sink = dai->driver->playback.stream_name; | |
5b2eec3f | 635 | |
410837a7 MB |
636 | routes[0].source = arizona_dai_clk_str(dai_priv->clk); |
637 | routes[1].source = arizona_dai_clk_str(dai_priv->clk); | |
638 | snd_soc_dapm_del_routes(&codec->dapm, routes, ARRAY_SIZE(routes)); | |
639 | ||
640 | routes[0].source = arizona_dai_clk_str(clk_id); | |
641 | routes[1].source = arizona_dai_clk_str(clk_id); | |
642 | snd_soc_dapm_add_routes(&codec->dapm, routes, ARRAY_SIZE(routes)); | |
643 | ||
644 | return snd_soc_dapm_sync(&codec->dapm); | |
5b2eec3f MB |
645 | } |
646 | ||
07ed873e | 647 | const struct snd_soc_dai_ops arizona_dai_ops = { |
5b2eec3f | 648 | .startup = arizona_startup, |
07ed873e MB |
649 | .set_fmt = arizona_set_fmt, |
650 | .hw_params = arizona_hw_params, | |
5b2eec3f | 651 | .set_sysclk = arizona_dai_set_sysclk, |
07ed873e | 652 | }; |
a837987e | 653 | EXPORT_SYMBOL_GPL(arizona_dai_ops); |
07ed873e | 654 | |
5b2eec3f MB |
655 | int arizona_init_dai(struct arizona_priv *priv, int id) |
656 | { | |
657 | struct arizona_dai_priv *dai_priv = &priv->dai[id]; | |
658 | ||
659 | dai_priv->clk = ARIZONA_CLK_SYSCLK; | |
660 | ||
661 | return 0; | |
662 | } | |
663 | EXPORT_SYMBOL_GPL(arizona_init_dai); | |
664 | ||
07ed873e MB |
665 | static irqreturn_t arizona_fll_lock(int irq, void *data) |
666 | { | |
667 | struct arizona_fll *fll = data; | |
668 | ||
669 | arizona_fll_dbg(fll, "Locked\n"); | |
670 | ||
671 | complete(&fll->lock); | |
672 | ||
673 | return IRQ_HANDLED; | |
674 | } | |
675 | ||
676 | static irqreturn_t arizona_fll_clock_ok(int irq, void *data) | |
677 | { | |
678 | struct arizona_fll *fll = data; | |
679 | ||
680 | arizona_fll_dbg(fll, "clock OK\n"); | |
681 | ||
682 | complete(&fll->ok); | |
683 | ||
684 | return IRQ_HANDLED; | |
685 | } | |
686 | ||
687 | static struct { | |
688 | unsigned int min; | |
689 | unsigned int max; | |
690 | u16 fratio; | |
691 | int ratio; | |
692 | } fll_fratios[] = { | |
693 | { 0, 64000, 4, 16 }, | |
694 | { 64000, 128000, 3, 8 }, | |
695 | { 128000, 256000, 2, 4 }, | |
696 | { 256000, 1000000, 1, 2 }, | |
697 | { 1000000, 13500000, 0, 1 }, | |
698 | }; | |
699 | ||
700 | struct arizona_fll_cfg { | |
701 | int n; | |
702 | int theta; | |
703 | int lambda; | |
704 | int refdiv; | |
705 | int outdiv; | |
706 | int fratio; | |
707 | }; | |
708 | ||
709 | static int arizona_calc_fll(struct arizona_fll *fll, | |
710 | struct arizona_fll_cfg *cfg, | |
711 | unsigned int Fref, | |
712 | unsigned int Fout) | |
713 | { | |
714 | unsigned int target, div, gcd_fll; | |
715 | int i, ratio; | |
716 | ||
717 | arizona_fll_dbg(fll, "Fref=%u Fout=%u\n", Fref, Fout); | |
718 | ||
719 | /* Fref must be <=13.5MHz */ | |
720 | div = 1; | |
721 | cfg->refdiv = 0; | |
722 | while ((Fref / div) > 13500000) { | |
723 | div *= 2; | |
724 | cfg->refdiv++; | |
725 | ||
726 | if (div > 8) { | |
727 | arizona_fll_err(fll, | |
728 | "Can't scale %dMHz in to <=13.5MHz\n", | |
729 | Fref); | |
730 | return -EINVAL; | |
731 | } | |
732 | } | |
733 | ||
734 | /* Apply the division for our remaining calculations */ | |
735 | Fref /= div; | |
736 | ||
2b4d39fc | 737 | /* Fvco should be over the targt; don't check the upper bound */ |
07ed873e | 738 | div = 1; |
2b4d39fc | 739 | while (Fout * div < 90000000 * fll->vco_mult) { |
07ed873e MB |
740 | div++; |
741 | if (div > 7) { | |
742 | arizona_fll_err(fll, "No FLL_OUTDIV for Fout=%uHz\n", | |
743 | Fout); | |
744 | return -EINVAL; | |
745 | } | |
746 | } | |
2b4d39fc | 747 | target = Fout * div / fll->vco_mult; |
07ed873e MB |
748 | cfg->outdiv = div; |
749 | ||
750 | arizona_fll_dbg(fll, "Fvco=%dHz\n", target); | |
751 | ||
752 | /* Find an appropraite FLL_FRATIO and factor it out of the target */ | |
753 | for (i = 0; i < ARRAY_SIZE(fll_fratios); i++) { | |
754 | if (fll_fratios[i].min <= Fref && Fref <= fll_fratios[i].max) { | |
755 | cfg->fratio = fll_fratios[i].fratio; | |
756 | ratio = fll_fratios[i].ratio; | |
757 | break; | |
758 | } | |
759 | } | |
760 | if (i == ARRAY_SIZE(fll_fratios)) { | |
761 | arizona_fll_err(fll, "Unable to find FRATIO for Fref=%uHz\n", | |
762 | Fref); | |
763 | return -EINVAL; | |
764 | } | |
765 | ||
766 | cfg->n = target / (ratio * Fref); | |
767 | ||
768 | if (target % Fref) { | |
769 | gcd_fll = gcd(target, ratio * Fref); | |
770 | arizona_fll_dbg(fll, "GCD=%u\n", gcd_fll); | |
771 | ||
772 | cfg->theta = (target - (cfg->n * ratio * Fref)) | |
773 | / gcd_fll; | |
774 | cfg->lambda = (ratio * Fref) / gcd_fll; | |
775 | } else { | |
776 | cfg->theta = 0; | |
777 | cfg->lambda = 0; | |
778 | } | |
779 | ||
780 | arizona_fll_dbg(fll, "N=%x THETA=%x LAMBDA=%x\n", | |
781 | cfg->n, cfg->theta, cfg->lambda); | |
782 | arizona_fll_dbg(fll, "FRATIO=%x(%d) OUTDIV=%x REFCLK_DIV=%x\n", | |
783 | cfg->fratio, cfg->fratio, cfg->outdiv, cfg->refdiv); | |
784 | ||
785 | return 0; | |
786 | ||
787 | } | |
788 | ||
789 | static void arizona_apply_fll(struct arizona *arizona, unsigned int base, | |
790 | struct arizona_fll_cfg *cfg, int source) | |
791 | { | |
792 | regmap_update_bits(arizona->regmap, base + 3, | |
793 | ARIZONA_FLL1_THETA_MASK, cfg->theta); | |
794 | regmap_update_bits(arizona->regmap, base + 4, | |
795 | ARIZONA_FLL1_LAMBDA_MASK, cfg->lambda); | |
796 | regmap_update_bits(arizona->regmap, base + 5, | |
797 | ARIZONA_FLL1_FRATIO_MASK, | |
798 | cfg->fratio << ARIZONA_FLL1_FRATIO_SHIFT); | |
799 | regmap_update_bits(arizona->regmap, base + 6, | |
800 | ARIZONA_FLL1_CLK_REF_DIV_MASK | | |
801 | ARIZONA_FLL1_CLK_REF_SRC_MASK, | |
802 | cfg->refdiv << ARIZONA_FLL1_CLK_REF_DIV_SHIFT | | |
803 | source << ARIZONA_FLL1_CLK_REF_SRC_SHIFT); | |
804 | ||
805 | regmap_update_bits(arizona->regmap, base + 2, | |
806 | ARIZONA_FLL1_CTRL_UPD | ARIZONA_FLL1_N_MASK, | |
807 | ARIZONA_FLL1_CTRL_UPD | cfg->n); | |
808 | } | |
809 | ||
810 | int arizona_set_fll(struct arizona_fll *fll, int source, | |
811 | unsigned int Fref, unsigned int Fout) | |
812 | { | |
813 | struct arizona *arizona = fll->arizona; | |
814 | struct arizona_fll_cfg cfg, sync; | |
815 | unsigned int reg, val; | |
816 | int syncsrc; | |
817 | bool ena; | |
818 | int ret; | |
819 | ||
820 | ret = regmap_read(arizona->regmap, fll->base + 1, ®); | |
821 | if (ret != 0) { | |
822 | arizona_fll_err(fll, "Failed to read current state: %d\n", | |
823 | ret); | |
824 | return ret; | |
825 | } | |
826 | ena = reg & ARIZONA_FLL1_ENA; | |
827 | ||
828 | if (Fout) { | |
829 | /* Do we have a 32kHz reference? */ | |
830 | regmap_read(arizona->regmap, ARIZONA_CLOCK_32K_1, &val); | |
831 | switch (val & ARIZONA_CLK_32K_SRC_MASK) { | |
832 | case ARIZONA_CLK_SRC_MCLK1: | |
833 | case ARIZONA_CLK_SRC_MCLK2: | |
834 | syncsrc = val & ARIZONA_CLK_32K_SRC_MASK; | |
835 | break; | |
836 | default: | |
837 | syncsrc = -1; | |
838 | } | |
839 | ||
840 | if (source == syncsrc) | |
841 | syncsrc = -1; | |
842 | ||
843 | if (syncsrc >= 0) { | |
844 | ret = arizona_calc_fll(fll, &sync, Fref, Fout); | |
845 | if (ret != 0) | |
846 | return ret; | |
847 | ||
848 | ret = arizona_calc_fll(fll, &cfg, 32768, Fout); | |
849 | if (ret != 0) | |
850 | return ret; | |
851 | } else { | |
852 | ret = arizona_calc_fll(fll, &cfg, Fref, Fout); | |
853 | if (ret != 0) | |
854 | return ret; | |
855 | } | |
856 | } else { | |
857 | regmap_update_bits(arizona->regmap, fll->base + 1, | |
858 | ARIZONA_FLL1_ENA, 0); | |
859 | regmap_update_bits(arizona->regmap, fll->base + 0x11, | |
860 | ARIZONA_FLL1_SYNC_ENA, 0); | |
861 | ||
862 | if (ena) | |
863 | pm_runtime_put_autosuspend(arizona->dev); | |
864 | ||
865 | return 0; | |
866 | } | |
867 | ||
868 | regmap_update_bits(arizona->regmap, fll->base + 5, | |
869 | ARIZONA_FLL1_OUTDIV_MASK, | |
870 | cfg.outdiv << ARIZONA_FLL1_OUTDIV_SHIFT); | |
871 | ||
872 | if (syncsrc >= 0) { | |
873 | arizona_apply_fll(arizona, fll->base, &cfg, syncsrc); | |
874 | arizona_apply_fll(arizona, fll->base + 0x10, &sync, source); | |
875 | } else { | |
876 | arizona_apply_fll(arizona, fll->base, &cfg, source); | |
877 | } | |
878 | ||
879 | if (!ena) | |
880 | pm_runtime_get(arizona->dev); | |
881 | ||
882 | /* Clear any pending completions */ | |
883 | try_wait_for_completion(&fll->ok); | |
884 | ||
885 | regmap_update_bits(arizona->regmap, fll->base + 1, | |
886 | ARIZONA_FLL1_ENA, ARIZONA_FLL1_ENA); | |
887 | if (syncsrc >= 0) | |
888 | regmap_update_bits(arizona->regmap, fll->base + 0x11, | |
889 | ARIZONA_FLL1_SYNC_ENA, | |
890 | ARIZONA_FLL1_SYNC_ENA); | |
891 | ||
892 | ret = wait_for_completion_timeout(&fll->ok, | |
893 | msecs_to_jiffies(25)); | |
894 | if (ret == 0) | |
895 | arizona_fll_warn(fll, "Timed out waiting for lock\n"); | |
896 | ||
897 | return 0; | |
898 | } | |
899 | EXPORT_SYMBOL_GPL(arizona_set_fll); | |
900 | ||
901 | int arizona_init_fll(struct arizona *arizona, int id, int base, int lock_irq, | |
902 | int ok_irq, struct arizona_fll *fll) | |
903 | { | |
904 | int ret; | |
905 | ||
906 | init_completion(&fll->lock); | |
907 | init_completion(&fll->ok); | |
908 | ||
909 | fll->id = id; | |
910 | fll->base = base; | |
911 | fll->arizona = arizona; | |
912 | ||
913 | snprintf(fll->lock_name, sizeof(fll->lock_name), "FLL%d lock", id); | |
914 | snprintf(fll->clock_ok_name, sizeof(fll->clock_ok_name), | |
915 | "FLL%d clock OK", id); | |
916 | ||
917 | ret = arizona_request_irq(arizona, lock_irq, fll->lock_name, | |
918 | arizona_fll_lock, fll); | |
919 | if (ret != 0) { | |
920 | dev_err(arizona->dev, "Failed to get FLL%d lock IRQ: %d\n", | |
921 | id, ret); | |
922 | } | |
923 | ||
924 | ret = arizona_request_irq(arizona, ok_irq, fll->clock_ok_name, | |
925 | arizona_fll_clock_ok, fll); | |
926 | if (ret != 0) { | |
927 | dev_err(arizona->dev, "Failed to get FLL%d clock OK IRQ: %d\n", | |
928 | id, ret); | |
929 | } | |
930 | ||
931 | return 0; | |
932 | } | |
933 | EXPORT_SYMBOL_GPL(arizona_init_fll); | |
934 | ||
935 | MODULE_DESCRIPTION("ASoC Wolfson Arizona class device support"); | |
936 | MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); | |
937 | MODULE_LICENSE("GPL"); |