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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", | |
c922cc4c MB |
122 | "DSP2.1", |
123 | "DSP2.2", | |
124 | "DSP2.3", | |
125 | "DSP2.4", | |
126 | "DSP2.5", | |
127 | "DSP2.6", | |
128 | "DSP3.1", | |
129 | "DSP3.2", | |
130 | "DSP3.3", | |
131 | "DSP3.4", | |
132 | "DSP3.5", | |
133 | "DSP3.6", | |
134 | "DSP4.1", | |
135 | "DSP4.2", | |
136 | "DSP4.3", | |
137 | "DSP4.4", | |
138 | "DSP4.5", | |
139 | "DSP4.6", | |
07ed873e MB |
140 | "ASRC1L", |
141 | "ASRC1R", | |
142 | "ASRC2L", | |
143 | "ASRC2R", | |
144 | }; | |
145 | EXPORT_SYMBOL_GPL(arizona_mixer_texts); | |
146 | ||
147 | int arizona_mixer_values[ARIZONA_NUM_MIXER_INPUTS] = { | |
148 | 0x00, /* None */ | |
149 | 0x04, /* Tone */ | |
150 | 0x05, | |
151 | 0x06, /* Haptics */ | |
152 | 0x08, /* AEC */ | |
153 | 0x0c, /* Noise mixer */ | |
154 | 0x0d, /* Comfort noise */ | |
155 | 0x10, /* IN1L */ | |
156 | 0x11, | |
157 | 0x12, | |
158 | 0x13, | |
159 | 0x14, | |
160 | 0x15, | |
c9c56fd0 MB |
161 | 0x16, |
162 | 0x17, | |
07ed873e MB |
163 | 0x20, /* AIF1RX1 */ |
164 | 0x21, | |
165 | 0x22, | |
166 | 0x23, | |
167 | 0x24, | |
168 | 0x25, | |
169 | 0x26, | |
170 | 0x27, | |
171 | 0x28, /* AIF2RX1 */ | |
172 | 0x29, | |
173 | 0x30, /* AIF3RX1 */ | |
174 | 0x31, | |
175 | 0x38, /* SLIMRX1 */ | |
176 | 0x39, | |
177 | 0x3a, | |
178 | 0x3b, | |
179 | 0x3c, | |
180 | 0x3d, | |
181 | 0x3e, | |
182 | 0x3f, | |
183 | 0x50, /* EQ1 */ | |
184 | 0x51, | |
185 | 0x52, | |
186 | 0x53, | |
187 | 0x58, /* DRC1L */ | |
188 | 0x59, | |
189 | 0x5a, | |
190 | 0x5b, | |
191 | 0x60, /* LHPF1 */ | |
192 | 0x61, | |
193 | 0x62, | |
194 | 0x63, | |
195 | 0x68, /* DSP1.1 */ | |
196 | 0x69, | |
197 | 0x6a, | |
198 | 0x6b, | |
199 | 0x6c, | |
200 | 0x6d, | |
c922cc4c MB |
201 | 0x70, /* DSP2.1 */ |
202 | 0x71, | |
203 | 0x72, | |
204 | 0x73, | |
205 | 0x74, | |
206 | 0x75, | |
207 | 0x78, /* DSP3.1 */ | |
208 | 0x79, | |
209 | 0x7a, | |
210 | 0x7b, | |
211 | 0x7c, | |
212 | 0x7d, | |
213 | 0x80, /* DSP4.1 */ | |
214 | 0x81, | |
215 | 0x82, | |
216 | 0x83, | |
217 | 0x84, | |
218 | 0x85, | |
07ed873e MB |
219 | 0x90, /* ASRC1L */ |
220 | 0x91, | |
221 | 0x92, | |
222 | 0x93, | |
223 | }; | |
224 | EXPORT_SYMBOL_GPL(arizona_mixer_values); | |
225 | ||
226 | const DECLARE_TLV_DB_SCALE(arizona_mixer_tlv, -3200, 100, 0); | |
227 | EXPORT_SYMBOL_GPL(arizona_mixer_tlv); | |
228 | ||
229 | static const char *arizona_lhpf_mode_text[] = { | |
230 | "Low-pass", "High-pass" | |
231 | }; | |
232 | ||
233 | const struct soc_enum arizona_lhpf1_mode = | |
234 | SOC_ENUM_SINGLE(ARIZONA_HPLPF1_1, ARIZONA_LHPF1_MODE_SHIFT, 2, | |
235 | arizona_lhpf_mode_text); | |
236 | EXPORT_SYMBOL_GPL(arizona_lhpf1_mode); | |
237 | ||
238 | const struct soc_enum arizona_lhpf2_mode = | |
239 | SOC_ENUM_SINGLE(ARIZONA_HPLPF2_1, ARIZONA_LHPF2_MODE_SHIFT, 2, | |
240 | arizona_lhpf_mode_text); | |
241 | EXPORT_SYMBOL_GPL(arizona_lhpf2_mode); | |
242 | ||
243 | const struct soc_enum arizona_lhpf3_mode = | |
244 | SOC_ENUM_SINGLE(ARIZONA_HPLPF3_1, ARIZONA_LHPF3_MODE_SHIFT, 2, | |
245 | arizona_lhpf_mode_text); | |
246 | EXPORT_SYMBOL_GPL(arizona_lhpf3_mode); | |
247 | ||
248 | const struct soc_enum arizona_lhpf4_mode = | |
249 | SOC_ENUM_SINGLE(ARIZONA_HPLPF4_1, ARIZONA_LHPF4_MODE_SHIFT, 2, | |
250 | arizona_lhpf_mode_text); | |
251 | EXPORT_SYMBOL_GPL(arizona_lhpf4_mode); | |
252 | ||
253 | int arizona_in_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, | |
254 | int event) | |
255 | { | |
256 | return 0; | |
257 | } | |
258 | EXPORT_SYMBOL_GPL(arizona_in_ev); | |
259 | ||
260 | int arizona_out_ev(struct snd_soc_dapm_widget *w, | |
261 | struct snd_kcontrol *kcontrol, | |
262 | int event) | |
263 | { | |
264 | return 0; | |
265 | } | |
266 | EXPORT_SYMBOL_GPL(arizona_out_ev); | |
267 | ||
cbd840da MB |
268 | static unsigned int arizona_sysclk_48k_rates[] = { |
269 | 6144000, | |
270 | 12288000, | |
271 | 22579200, | |
272 | 49152000, | |
aeaeee1a MB |
273 | 73728000, |
274 | 98304000, | |
275 | 147456000, | |
cbd840da MB |
276 | }; |
277 | ||
278 | static unsigned int arizona_sysclk_44k1_rates[] = { | |
279 | 5644800, | |
280 | 11289600, | |
281 | 24576000, | |
282 | 45158400, | |
aeaeee1a MB |
283 | 67737600, |
284 | 90316800, | |
285 | 135475200, | |
cbd840da MB |
286 | }; |
287 | ||
288 | static int arizona_set_opclk(struct snd_soc_codec *codec, unsigned int clk, | |
289 | unsigned int freq) | |
290 | { | |
291 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); | |
292 | unsigned int reg; | |
293 | unsigned int *rates; | |
294 | int ref, div, refclk; | |
295 | ||
296 | switch (clk) { | |
297 | case ARIZONA_CLK_OPCLK: | |
298 | reg = ARIZONA_OUTPUT_SYSTEM_CLOCK; | |
299 | refclk = priv->sysclk; | |
300 | break; | |
301 | case ARIZONA_CLK_ASYNC_OPCLK: | |
302 | reg = ARIZONA_OUTPUT_ASYNC_CLOCK; | |
303 | refclk = priv->asyncclk; | |
304 | break; | |
305 | default: | |
306 | return -EINVAL; | |
307 | } | |
308 | ||
309 | if (refclk % 8000) | |
310 | rates = arizona_sysclk_44k1_rates; | |
311 | else | |
312 | rates = arizona_sysclk_48k_rates; | |
313 | ||
314 | for (ref = 0; ref < ARRAY_SIZE(arizona_sysclk_48k_rates) && | |
315 | rates[ref] <= refclk; ref++) { | |
316 | div = 1; | |
317 | while (rates[ref] / div >= freq && div < 32) { | |
318 | if (rates[ref] / div == freq) { | |
319 | dev_dbg(codec->dev, "Configured %dHz OPCLK\n", | |
320 | freq); | |
321 | snd_soc_update_bits(codec, reg, | |
322 | ARIZONA_OPCLK_DIV_MASK | | |
323 | ARIZONA_OPCLK_SEL_MASK, | |
324 | (div << | |
325 | ARIZONA_OPCLK_DIV_SHIFT) | | |
326 | ref); | |
327 | return 0; | |
328 | } | |
329 | div++; | |
330 | } | |
331 | } | |
332 | ||
333 | dev_err(codec->dev, "Unable to generate %dHz OPCLK\n", freq); | |
334 | return -EINVAL; | |
335 | } | |
336 | ||
07ed873e MB |
337 | int arizona_set_sysclk(struct snd_soc_codec *codec, int clk_id, |
338 | int source, unsigned int freq, int dir) | |
339 | { | |
340 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); | |
341 | struct arizona *arizona = priv->arizona; | |
342 | char *name; | |
343 | unsigned int reg; | |
344 | unsigned int mask = ARIZONA_SYSCLK_FREQ_MASK | ARIZONA_SYSCLK_SRC_MASK; | |
345 | unsigned int val = source << ARIZONA_SYSCLK_SRC_SHIFT; | |
346 | unsigned int *clk; | |
347 | ||
348 | switch (clk_id) { | |
349 | case ARIZONA_CLK_SYSCLK: | |
350 | name = "SYSCLK"; | |
351 | reg = ARIZONA_SYSTEM_CLOCK_1; | |
352 | clk = &priv->sysclk; | |
353 | mask |= ARIZONA_SYSCLK_FRAC; | |
354 | break; | |
355 | case ARIZONA_CLK_ASYNCCLK: | |
356 | name = "ASYNCCLK"; | |
357 | reg = ARIZONA_ASYNC_CLOCK_1; | |
358 | clk = &priv->asyncclk; | |
359 | break; | |
cbd840da MB |
360 | case ARIZONA_CLK_OPCLK: |
361 | case ARIZONA_CLK_ASYNC_OPCLK: | |
362 | return arizona_set_opclk(codec, clk_id, freq); | |
07ed873e MB |
363 | default: |
364 | return -EINVAL; | |
365 | } | |
366 | ||
367 | switch (freq) { | |
368 | case 5644800: | |
369 | case 6144000: | |
370 | break; | |
371 | case 11289600: | |
372 | case 12288000: | |
373 | val |= 1 << ARIZONA_SYSCLK_FREQ_SHIFT; | |
374 | break; | |
375 | case 22579200: | |
376 | case 24576000: | |
377 | val |= 2 << ARIZONA_SYSCLK_FREQ_SHIFT; | |
378 | break; | |
379 | case 45158400: | |
380 | case 49152000: | |
381 | val |= 3 << ARIZONA_SYSCLK_FREQ_SHIFT; | |
382 | break; | |
38113360 MB |
383 | case 67737600: |
384 | case 73728000: | |
385 | val |= 4 << ARIZONA_SYSCLK_FREQ_SHIFT; | |
386 | break; | |
387 | case 90316800: | |
388 | case 98304000: | |
389 | val |= 5 << ARIZONA_SYSCLK_FREQ_SHIFT; | |
390 | break; | |
391 | case 135475200: | |
392 | case 147456000: | |
393 | val |= 6 << ARIZONA_SYSCLK_FREQ_SHIFT; | |
394 | break; | |
07ed873e MB |
395 | default: |
396 | return -EINVAL; | |
397 | } | |
398 | ||
399 | *clk = freq; | |
400 | ||
401 | if (freq % 6144000) | |
402 | val |= ARIZONA_SYSCLK_FRAC; | |
403 | ||
404 | dev_dbg(arizona->dev, "%s set to %uHz", name, freq); | |
405 | ||
406 | return regmap_update_bits(arizona->regmap, reg, mask, val); | |
407 | } | |
408 | EXPORT_SYMBOL_GPL(arizona_set_sysclk); | |
409 | ||
410 | static int arizona_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) | |
411 | { | |
412 | struct snd_soc_codec *codec = dai->codec; | |
413 | int lrclk, bclk, mode, base; | |
414 | ||
415 | base = dai->driver->base; | |
416 | ||
417 | lrclk = 0; | |
418 | bclk = 0; | |
419 | ||
420 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
421 | case SND_SOC_DAIFMT_DSP_A: | |
422 | mode = 0; | |
423 | break; | |
424 | case SND_SOC_DAIFMT_DSP_B: | |
425 | mode = 1; | |
426 | break; | |
427 | case SND_SOC_DAIFMT_I2S: | |
428 | mode = 2; | |
429 | break; | |
430 | case SND_SOC_DAIFMT_LEFT_J: | |
431 | mode = 3; | |
432 | break; | |
433 | default: | |
434 | arizona_aif_err(dai, "Unsupported DAI format %d\n", | |
435 | fmt & SND_SOC_DAIFMT_FORMAT_MASK); | |
436 | return -EINVAL; | |
437 | } | |
438 | ||
439 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
440 | case SND_SOC_DAIFMT_CBS_CFS: | |
441 | break; | |
442 | case SND_SOC_DAIFMT_CBS_CFM: | |
443 | lrclk |= ARIZONA_AIF1TX_LRCLK_MSTR; | |
444 | break; | |
445 | case SND_SOC_DAIFMT_CBM_CFS: | |
446 | bclk |= ARIZONA_AIF1_BCLK_MSTR; | |
447 | break; | |
448 | case SND_SOC_DAIFMT_CBM_CFM: | |
449 | bclk |= ARIZONA_AIF1_BCLK_MSTR; | |
450 | lrclk |= ARIZONA_AIF1TX_LRCLK_MSTR; | |
451 | break; | |
452 | default: | |
453 | arizona_aif_err(dai, "Unsupported master mode %d\n", | |
454 | fmt & SND_SOC_DAIFMT_MASTER_MASK); | |
455 | return -EINVAL; | |
456 | } | |
457 | ||
458 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
459 | case SND_SOC_DAIFMT_NB_NF: | |
460 | break; | |
461 | case SND_SOC_DAIFMT_IB_IF: | |
462 | bclk |= ARIZONA_AIF1_BCLK_INV; | |
463 | lrclk |= ARIZONA_AIF1TX_LRCLK_INV; | |
464 | break; | |
465 | case SND_SOC_DAIFMT_IB_NF: | |
466 | bclk |= ARIZONA_AIF1_BCLK_INV; | |
467 | break; | |
468 | case SND_SOC_DAIFMT_NB_IF: | |
469 | lrclk |= ARIZONA_AIF1TX_LRCLK_INV; | |
470 | break; | |
471 | default: | |
472 | return -EINVAL; | |
473 | } | |
474 | ||
475 | snd_soc_update_bits(codec, base + ARIZONA_AIF_BCLK_CTRL, | |
476 | ARIZONA_AIF1_BCLK_INV | ARIZONA_AIF1_BCLK_MSTR, | |
477 | bclk); | |
478 | snd_soc_update_bits(codec, base + ARIZONA_AIF_TX_PIN_CTRL, | |
479 | ARIZONA_AIF1TX_LRCLK_INV | | |
480 | ARIZONA_AIF1TX_LRCLK_MSTR, lrclk); | |
481 | snd_soc_update_bits(codec, base + ARIZONA_AIF_RX_PIN_CTRL, | |
482 | ARIZONA_AIF1RX_LRCLK_INV | | |
483 | ARIZONA_AIF1RX_LRCLK_MSTR, lrclk); | |
484 | snd_soc_update_bits(codec, base + ARIZONA_AIF_FORMAT, | |
485 | ARIZONA_AIF1_FMT_MASK, mode); | |
486 | ||
487 | return 0; | |
488 | } | |
489 | ||
949e6bc7 | 490 | static const int arizona_48k_bclk_rates[] = { |
07ed873e MB |
491 | -1, |
492 | 48000, | |
493 | 64000, | |
494 | 96000, | |
495 | 128000, | |
496 | 192000, | |
497 | 256000, | |
498 | 384000, | |
499 | 512000, | |
500 | 768000, | |
501 | 1024000, | |
502 | 1536000, | |
503 | 2048000, | |
504 | 3072000, | |
505 | 4096000, | |
506 | 6144000, | |
507 | 8192000, | |
508 | 12288000, | |
509 | 24576000, | |
510 | }; | |
511 | ||
5b2eec3f MB |
512 | static const unsigned int arizona_48k_rates[] = { |
513 | 12000, | |
514 | 24000, | |
515 | 48000, | |
516 | 96000, | |
517 | 192000, | |
518 | 384000, | |
519 | 768000, | |
520 | 4000, | |
521 | 8000, | |
522 | 16000, | |
523 | 32000, | |
524 | 64000, | |
525 | 128000, | |
526 | 256000, | |
527 | 512000, | |
528 | }; | |
529 | ||
530 | static const struct snd_pcm_hw_constraint_list arizona_48k_constraint = { | |
531 | .count = ARRAY_SIZE(arizona_48k_rates), | |
532 | .list = arizona_48k_rates, | |
533 | }; | |
534 | ||
949e6bc7 | 535 | static const int arizona_44k1_bclk_rates[] = { |
07ed873e MB |
536 | -1, |
537 | 44100, | |
538 | 58800, | |
539 | 88200, | |
540 | 117600, | |
541 | 177640, | |
542 | 235200, | |
543 | 352800, | |
544 | 470400, | |
545 | 705600, | |
546 | 940800, | |
547 | 1411200, | |
548 | 1881600, | |
4758be37 | 549 | 2822400, |
07ed873e MB |
550 | 3763200, |
551 | 5644800, | |
552 | 7526400, | |
553 | 11289600, | |
554 | 22579200, | |
555 | }; | |
556 | ||
5b2eec3f MB |
557 | static const unsigned int arizona_44k1_rates[] = { |
558 | 11025, | |
559 | 22050, | |
560 | 44100, | |
561 | 88200, | |
562 | 176400, | |
563 | 352800, | |
564 | 705600, | |
565 | }; | |
566 | ||
567 | static const struct snd_pcm_hw_constraint_list arizona_44k1_constraint = { | |
568 | .count = ARRAY_SIZE(arizona_44k1_rates), | |
569 | .list = arizona_44k1_rates, | |
570 | }; | |
571 | ||
07ed873e MB |
572 | static int arizona_sr_vals[] = { |
573 | 0, | |
574 | 12000, | |
575 | 24000, | |
576 | 48000, | |
577 | 96000, | |
578 | 192000, | |
579 | 384000, | |
580 | 768000, | |
581 | 0, | |
582 | 11025, | |
583 | 22050, | |
584 | 44100, | |
585 | 88200, | |
586 | 176400, | |
587 | 352800, | |
588 | 705600, | |
589 | 4000, | |
590 | 8000, | |
591 | 16000, | |
592 | 32000, | |
593 | 64000, | |
594 | 128000, | |
595 | 256000, | |
596 | 512000, | |
597 | }; | |
598 | ||
5b2eec3f MB |
599 | static int arizona_startup(struct snd_pcm_substream *substream, |
600 | struct snd_soc_dai *dai) | |
601 | { | |
602 | struct snd_soc_codec *codec = dai->codec; | |
603 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); | |
604 | struct arizona_dai_priv *dai_priv = &priv->dai[dai->id - 1]; | |
605 | const struct snd_pcm_hw_constraint_list *constraint; | |
606 | unsigned int base_rate; | |
607 | ||
608 | switch (dai_priv->clk) { | |
609 | case ARIZONA_CLK_SYSCLK: | |
610 | base_rate = priv->sysclk; | |
611 | break; | |
612 | case ARIZONA_CLK_ASYNCCLK: | |
613 | base_rate = priv->asyncclk; | |
614 | break; | |
615 | default: | |
616 | return 0; | |
617 | } | |
618 | ||
619 | if (base_rate % 8000) | |
620 | constraint = &arizona_44k1_constraint; | |
621 | else | |
622 | constraint = &arizona_48k_constraint; | |
623 | ||
624 | return snd_pcm_hw_constraint_list(substream->runtime, 0, | |
625 | SNDRV_PCM_HW_PARAM_RATE, | |
626 | constraint); | |
627 | } | |
628 | ||
07ed873e MB |
629 | static int arizona_hw_params(struct snd_pcm_substream *substream, |
630 | struct snd_pcm_hw_params *params, | |
631 | struct snd_soc_dai *dai) | |
632 | { | |
633 | struct snd_soc_codec *codec = dai->codec; | |
c013b27a MB |
634 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); |
635 | struct arizona_dai_priv *dai_priv = &priv->dai[dai->id - 1]; | |
07ed873e MB |
636 | int base = dai->driver->base; |
637 | const int *rates; | |
638 | int i; | |
639 | int bclk, lrclk, wl, frame, sr_val; | |
640 | ||
641 | if (params_rate(params) % 8000) | |
949e6bc7 | 642 | rates = &arizona_44k1_bclk_rates[0]; |
07ed873e | 643 | else |
949e6bc7 | 644 | rates = &arizona_48k_bclk_rates[0]; |
07ed873e | 645 | |
949e6bc7 | 646 | for (i = 0; i < ARRAY_SIZE(arizona_44k1_bclk_rates); i++) { |
5001765f MB |
647 | if (rates[i] >= snd_soc_params_to_bclk(params) && |
648 | rates[i] % params_rate(params) == 0) { | |
07ed873e MB |
649 | bclk = i; |
650 | break; | |
651 | } | |
652 | } | |
949e6bc7 | 653 | if (i == ARRAY_SIZE(arizona_44k1_bclk_rates)) { |
07ed873e MB |
654 | arizona_aif_err(dai, "Unsupported sample rate %dHz\n", |
655 | params_rate(params)); | |
656 | return -EINVAL; | |
657 | } | |
658 | ||
07ed873e MB |
659 | for (i = 0; i < ARRAY_SIZE(arizona_sr_vals); i++) |
660 | if (arizona_sr_vals[i] == params_rate(params)) | |
661 | break; | |
662 | if (i == ARRAY_SIZE(arizona_sr_vals)) { | |
663 | arizona_aif_err(dai, "Unsupported sample rate %dHz\n", | |
664 | params_rate(params)); | |
665 | return -EINVAL; | |
666 | } | |
667 | sr_val = i; | |
668 | ||
669 | lrclk = snd_soc_params_to_bclk(params) / params_rate(params); | |
670 | ||
671 | arizona_aif_dbg(dai, "BCLK %dHz LRCLK %dHz\n", | |
672 | rates[bclk], rates[bclk] / lrclk); | |
673 | ||
674 | wl = snd_pcm_format_width(params_format(params)); | |
675 | frame = wl << ARIZONA_AIF1TX_WL_SHIFT | wl; | |
676 | ||
c013b27a MB |
677 | /* |
678 | * We will need to be more flexible than this in future, | |
679 | * currently we use a single sample rate for SYSCLK. | |
680 | */ | |
681 | switch (dai_priv->clk) { | |
682 | case ARIZONA_CLK_SYSCLK: | |
683 | snd_soc_update_bits(codec, ARIZONA_SAMPLE_RATE_1, | |
684 | ARIZONA_SAMPLE_RATE_1_MASK, sr_val); | |
685 | snd_soc_update_bits(codec, base + ARIZONA_AIF_RATE_CTRL, | |
686 | ARIZONA_AIF1_RATE_MASK, 0); | |
687 | break; | |
688 | case ARIZONA_CLK_ASYNCCLK: | |
689 | snd_soc_update_bits(codec, ARIZONA_ASYNC_SAMPLE_RATE_1, | |
690 | ARIZONA_ASYNC_SAMPLE_RATE_MASK, sr_val); | |
691 | snd_soc_update_bits(codec, base + ARIZONA_AIF_RATE_CTRL, | |
692 | ARIZONA_AIF1_RATE_MASK, 8); | |
693 | break; | |
694 | default: | |
695 | arizona_aif_err(dai, "Invalid clock %d\n", dai_priv->clk); | |
696 | return -EINVAL; | |
697 | } | |
698 | ||
07ed873e MB |
699 | snd_soc_update_bits(codec, base + ARIZONA_AIF_BCLK_CTRL, |
700 | ARIZONA_AIF1_BCLK_FREQ_MASK, bclk); | |
701 | snd_soc_update_bits(codec, base + ARIZONA_AIF_TX_BCLK_RATE, | |
702 | ARIZONA_AIF1TX_BCPF_MASK, lrclk); | |
703 | snd_soc_update_bits(codec, base + ARIZONA_AIF_RX_BCLK_RATE, | |
704 | ARIZONA_AIF1RX_BCPF_MASK, lrclk); | |
705 | snd_soc_update_bits(codec, base + ARIZONA_AIF_FRAME_CTRL_1, | |
706 | ARIZONA_AIF1TX_WL_MASK | | |
707 | ARIZONA_AIF1TX_SLOT_LEN_MASK, frame); | |
708 | snd_soc_update_bits(codec, base + ARIZONA_AIF_FRAME_CTRL_2, | |
709 | ARIZONA_AIF1RX_WL_MASK | | |
710 | ARIZONA_AIF1RX_SLOT_LEN_MASK, frame); | |
711 | ||
712 | return 0; | |
713 | } | |
714 | ||
410837a7 MB |
715 | static const char *arizona_dai_clk_str(int clk_id) |
716 | { | |
717 | switch (clk_id) { | |
718 | case ARIZONA_CLK_SYSCLK: | |
719 | return "SYSCLK"; | |
720 | case ARIZONA_CLK_ASYNCCLK: | |
721 | return "ASYNCCLK"; | |
722 | default: | |
723 | return "Unknown clock"; | |
724 | } | |
725 | } | |
726 | ||
5b2eec3f MB |
727 | static int arizona_dai_set_sysclk(struct snd_soc_dai *dai, |
728 | int clk_id, unsigned int freq, int dir) | |
729 | { | |
730 | struct snd_soc_codec *codec = dai->codec; | |
731 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); | |
732 | struct arizona_dai_priv *dai_priv = &priv->dai[dai->id - 1]; | |
410837a7 | 733 | struct snd_soc_dapm_route routes[2]; |
5b2eec3f MB |
734 | |
735 | switch (clk_id) { | |
736 | case ARIZONA_CLK_SYSCLK: | |
737 | case ARIZONA_CLK_ASYNCCLK: | |
738 | break; | |
739 | default: | |
740 | return -EINVAL; | |
741 | } | |
742 | ||
410837a7 MB |
743 | if (clk_id == dai_priv->clk) |
744 | return 0; | |
745 | ||
746 | if (dai->active) { | |
5b2eec3f MB |
747 | dev_err(codec->dev, "Can't change clock on active DAI %d\n", |
748 | dai->id); | |
749 | return -EBUSY; | |
750 | } | |
751 | ||
410837a7 MB |
752 | memset(&routes, 0, sizeof(routes)); |
753 | routes[0].sink = dai->driver->capture.stream_name; | |
754 | routes[1].sink = dai->driver->playback.stream_name; | |
5b2eec3f | 755 | |
410837a7 MB |
756 | routes[0].source = arizona_dai_clk_str(dai_priv->clk); |
757 | routes[1].source = arizona_dai_clk_str(dai_priv->clk); | |
758 | snd_soc_dapm_del_routes(&codec->dapm, routes, ARRAY_SIZE(routes)); | |
759 | ||
760 | routes[0].source = arizona_dai_clk_str(clk_id); | |
761 | routes[1].source = arizona_dai_clk_str(clk_id); | |
762 | snd_soc_dapm_add_routes(&codec->dapm, routes, ARRAY_SIZE(routes)); | |
763 | ||
764 | return snd_soc_dapm_sync(&codec->dapm); | |
5b2eec3f MB |
765 | } |
766 | ||
07ed873e | 767 | const struct snd_soc_dai_ops arizona_dai_ops = { |
5b2eec3f | 768 | .startup = arizona_startup, |
07ed873e MB |
769 | .set_fmt = arizona_set_fmt, |
770 | .hw_params = arizona_hw_params, | |
5b2eec3f | 771 | .set_sysclk = arizona_dai_set_sysclk, |
07ed873e | 772 | }; |
a837987e | 773 | EXPORT_SYMBOL_GPL(arizona_dai_ops); |
07ed873e | 774 | |
5b2eec3f MB |
775 | int arizona_init_dai(struct arizona_priv *priv, int id) |
776 | { | |
777 | struct arizona_dai_priv *dai_priv = &priv->dai[id]; | |
778 | ||
779 | dai_priv->clk = ARIZONA_CLK_SYSCLK; | |
780 | ||
781 | return 0; | |
782 | } | |
783 | EXPORT_SYMBOL_GPL(arizona_init_dai); | |
784 | ||
07ed873e MB |
785 | static irqreturn_t arizona_fll_lock(int irq, void *data) |
786 | { | |
787 | struct arizona_fll *fll = data; | |
788 | ||
6b315958 | 789 | arizona_fll_dbg(fll, "Lock status changed\n"); |
07ed873e MB |
790 | |
791 | complete(&fll->lock); | |
792 | ||
793 | return IRQ_HANDLED; | |
794 | } | |
795 | ||
796 | static irqreturn_t arizona_fll_clock_ok(int irq, void *data) | |
797 | { | |
798 | struct arizona_fll *fll = data; | |
799 | ||
800 | arizona_fll_dbg(fll, "clock OK\n"); | |
801 | ||
802 | complete(&fll->ok); | |
803 | ||
804 | return IRQ_HANDLED; | |
805 | } | |
806 | ||
807 | static struct { | |
808 | unsigned int min; | |
809 | unsigned int max; | |
810 | u16 fratio; | |
811 | int ratio; | |
812 | } fll_fratios[] = { | |
813 | { 0, 64000, 4, 16 }, | |
814 | { 64000, 128000, 3, 8 }, | |
815 | { 128000, 256000, 2, 4 }, | |
816 | { 256000, 1000000, 1, 2 }, | |
817 | { 1000000, 13500000, 0, 1 }, | |
818 | }; | |
819 | ||
820 | struct arizona_fll_cfg { | |
821 | int n; | |
822 | int theta; | |
823 | int lambda; | |
824 | int refdiv; | |
825 | int outdiv; | |
826 | int fratio; | |
827 | }; | |
828 | ||
829 | static int arizona_calc_fll(struct arizona_fll *fll, | |
830 | struct arizona_fll_cfg *cfg, | |
831 | unsigned int Fref, | |
832 | unsigned int Fout) | |
833 | { | |
834 | unsigned int target, div, gcd_fll; | |
835 | int i, ratio; | |
836 | ||
837 | arizona_fll_dbg(fll, "Fref=%u Fout=%u\n", Fref, Fout); | |
838 | ||
839 | /* Fref must be <=13.5MHz */ | |
840 | div = 1; | |
841 | cfg->refdiv = 0; | |
842 | while ((Fref / div) > 13500000) { | |
843 | div *= 2; | |
844 | cfg->refdiv++; | |
845 | ||
846 | if (div > 8) { | |
847 | arizona_fll_err(fll, | |
848 | "Can't scale %dMHz in to <=13.5MHz\n", | |
849 | Fref); | |
850 | return -EINVAL; | |
851 | } | |
852 | } | |
853 | ||
854 | /* Apply the division for our remaining calculations */ | |
855 | Fref /= div; | |
856 | ||
2b4d39fc | 857 | /* Fvco should be over the targt; don't check the upper bound */ |
07ed873e | 858 | div = 1; |
2b4d39fc | 859 | while (Fout * div < 90000000 * fll->vco_mult) { |
07ed873e MB |
860 | div++; |
861 | if (div > 7) { | |
862 | arizona_fll_err(fll, "No FLL_OUTDIV for Fout=%uHz\n", | |
863 | Fout); | |
864 | return -EINVAL; | |
865 | } | |
866 | } | |
2b4d39fc | 867 | target = Fout * div / fll->vco_mult; |
07ed873e MB |
868 | cfg->outdiv = div; |
869 | ||
870 | arizona_fll_dbg(fll, "Fvco=%dHz\n", target); | |
871 | ||
872 | /* Find an appropraite FLL_FRATIO and factor it out of the target */ | |
873 | for (i = 0; i < ARRAY_SIZE(fll_fratios); i++) { | |
874 | if (fll_fratios[i].min <= Fref && Fref <= fll_fratios[i].max) { | |
875 | cfg->fratio = fll_fratios[i].fratio; | |
876 | ratio = fll_fratios[i].ratio; | |
877 | break; | |
878 | } | |
879 | } | |
880 | if (i == ARRAY_SIZE(fll_fratios)) { | |
881 | arizona_fll_err(fll, "Unable to find FRATIO for Fref=%uHz\n", | |
882 | Fref); | |
883 | return -EINVAL; | |
884 | } | |
885 | ||
886 | cfg->n = target / (ratio * Fref); | |
887 | ||
888 | if (target % Fref) { | |
889 | gcd_fll = gcd(target, ratio * Fref); | |
890 | arizona_fll_dbg(fll, "GCD=%u\n", gcd_fll); | |
891 | ||
892 | cfg->theta = (target - (cfg->n * ratio * Fref)) | |
893 | / gcd_fll; | |
894 | cfg->lambda = (ratio * Fref) / gcd_fll; | |
895 | } else { | |
896 | cfg->theta = 0; | |
897 | cfg->lambda = 0; | |
898 | } | |
899 | ||
900 | arizona_fll_dbg(fll, "N=%x THETA=%x LAMBDA=%x\n", | |
901 | cfg->n, cfg->theta, cfg->lambda); | |
902 | arizona_fll_dbg(fll, "FRATIO=%x(%d) OUTDIV=%x REFCLK_DIV=%x\n", | |
903 | cfg->fratio, cfg->fratio, cfg->outdiv, cfg->refdiv); | |
904 | ||
905 | return 0; | |
906 | ||
907 | } | |
908 | ||
909 | static void arizona_apply_fll(struct arizona *arizona, unsigned int base, | |
910 | struct arizona_fll_cfg *cfg, int source) | |
911 | { | |
912 | regmap_update_bits(arizona->regmap, base + 3, | |
913 | ARIZONA_FLL1_THETA_MASK, cfg->theta); | |
914 | regmap_update_bits(arizona->regmap, base + 4, | |
915 | ARIZONA_FLL1_LAMBDA_MASK, cfg->lambda); | |
916 | regmap_update_bits(arizona->regmap, base + 5, | |
917 | ARIZONA_FLL1_FRATIO_MASK, | |
918 | cfg->fratio << ARIZONA_FLL1_FRATIO_SHIFT); | |
919 | regmap_update_bits(arizona->regmap, base + 6, | |
920 | ARIZONA_FLL1_CLK_REF_DIV_MASK | | |
921 | ARIZONA_FLL1_CLK_REF_SRC_MASK, | |
922 | cfg->refdiv << ARIZONA_FLL1_CLK_REF_DIV_SHIFT | | |
923 | source << ARIZONA_FLL1_CLK_REF_SRC_SHIFT); | |
924 | ||
925 | regmap_update_bits(arizona->regmap, base + 2, | |
926 | ARIZONA_FLL1_CTRL_UPD | ARIZONA_FLL1_N_MASK, | |
927 | ARIZONA_FLL1_CTRL_UPD | cfg->n); | |
928 | } | |
929 | ||
930 | int arizona_set_fll(struct arizona_fll *fll, int source, | |
931 | unsigned int Fref, unsigned int Fout) | |
932 | { | |
933 | struct arizona *arizona = fll->arizona; | |
934 | struct arizona_fll_cfg cfg, sync; | |
935 | unsigned int reg, val; | |
936 | int syncsrc; | |
937 | bool ena; | |
938 | int ret; | |
939 | ||
1cbe4bca MB |
940 | if (fll->fref == Fref && fll->fout == Fout) |
941 | return 0; | |
942 | ||
07ed873e MB |
943 | ret = regmap_read(arizona->regmap, fll->base + 1, ®); |
944 | if (ret != 0) { | |
945 | arizona_fll_err(fll, "Failed to read current state: %d\n", | |
946 | ret); | |
947 | return ret; | |
948 | } | |
949 | ena = reg & ARIZONA_FLL1_ENA; | |
950 | ||
951 | if (Fout) { | |
952 | /* Do we have a 32kHz reference? */ | |
953 | regmap_read(arizona->regmap, ARIZONA_CLOCK_32K_1, &val); | |
954 | switch (val & ARIZONA_CLK_32K_SRC_MASK) { | |
955 | case ARIZONA_CLK_SRC_MCLK1: | |
956 | case ARIZONA_CLK_SRC_MCLK2: | |
957 | syncsrc = val & ARIZONA_CLK_32K_SRC_MASK; | |
958 | break; | |
959 | default: | |
960 | syncsrc = -1; | |
961 | } | |
962 | ||
963 | if (source == syncsrc) | |
964 | syncsrc = -1; | |
965 | ||
966 | if (syncsrc >= 0) { | |
967 | ret = arizona_calc_fll(fll, &sync, Fref, Fout); | |
968 | if (ret != 0) | |
969 | return ret; | |
970 | ||
971 | ret = arizona_calc_fll(fll, &cfg, 32768, Fout); | |
972 | if (ret != 0) | |
973 | return ret; | |
974 | } else { | |
975 | ret = arizona_calc_fll(fll, &cfg, Fref, Fout); | |
976 | if (ret != 0) | |
977 | return ret; | |
978 | } | |
979 | } else { | |
980 | regmap_update_bits(arizona->regmap, fll->base + 1, | |
981 | ARIZONA_FLL1_ENA, 0); | |
982 | regmap_update_bits(arizona->regmap, fll->base + 0x11, | |
983 | ARIZONA_FLL1_SYNC_ENA, 0); | |
984 | ||
985 | if (ena) | |
986 | pm_runtime_put_autosuspend(arizona->dev); | |
987 | ||
50fcfe45 MB |
988 | fll->fref = Fref; |
989 | fll->fout = Fout; | |
990 | ||
07ed873e MB |
991 | return 0; |
992 | } | |
993 | ||
994 | regmap_update_bits(arizona->regmap, fll->base + 5, | |
995 | ARIZONA_FLL1_OUTDIV_MASK, | |
996 | cfg.outdiv << ARIZONA_FLL1_OUTDIV_SHIFT); | |
997 | ||
998 | if (syncsrc >= 0) { | |
999 | arizona_apply_fll(arizona, fll->base, &cfg, syncsrc); | |
1000 | arizona_apply_fll(arizona, fll->base + 0x10, &sync, source); | |
1001 | } else { | |
1002 | arizona_apply_fll(arizona, fll->base, &cfg, source); | |
1003 | } | |
1004 | ||
1005 | if (!ena) | |
1006 | pm_runtime_get(arizona->dev); | |
1007 | ||
1008 | /* Clear any pending completions */ | |
1009 | try_wait_for_completion(&fll->ok); | |
1010 | ||
1011 | regmap_update_bits(arizona->regmap, fll->base + 1, | |
1012 | ARIZONA_FLL1_ENA, ARIZONA_FLL1_ENA); | |
1013 | if (syncsrc >= 0) | |
1014 | regmap_update_bits(arizona->regmap, fll->base + 0x11, | |
1015 | ARIZONA_FLL1_SYNC_ENA, | |
1016 | ARIZONA_FLL1_SYNC_ENA); | |
1017 | ||
1018 | ret = wait_for_completion_timeout(&fll->ok, | |
09871a94 | 1019 | msecs_to_jiffies(250)); |
07ed873e MB |
1020 | if (ret == 0) |
1021 | arizona_fll_warn(fll, "Timed out waiting for lock\n"); | |
1022 | ||
1cbe4bca MB |
1023 | fll->fref = Fref; |
1024 | fll->fout = Fout; | |
1025 | ||
07ed873e MB |
1026 | return 0; |
1027 | } | |
1028 | EXPORT_SYMBOL_GPL(arizona_set_fll); | |
1029 | ||
1030 | int arizona_init_fll(struct arizona *arizona, int id, int base, int lock_irq, | |
1031 | int ok_irq, struct arizona_fll *fll) | |
1032 | { | |
1033 | int ret; | |
1034 | ||
1035 | init_completion(&fll->lock); | |
1036 | init_completion(&fll->ok); | |
1037 | ||
1038 | fll->id = id; | |
1039 | fll->base = base; | |
1040 | fll->arizona = arizona; | |
1041 | ||
1042 | snprintf(fll->lock_name, sizeof(fll->lock_name), "FLL%d lock", id); | |
1043 | snprintf(fll->clock_ok_name, sizeof(fll->clock_ok_name), | |
1044 | "FLL%d clock OK", id); | |
1045 | ||
1046 | ret = arizona_request_irq(arizona, lock_irq, fll->lock_name, | |
1047 | arizona_fll_lock, fll); | |
1048 | if (ret != 0) { | |
1049 | dev_err(arizona->dev, "Failed to get FLL%d lock IRQ: %d\n", | |
1050 | id, ret); | |
1051 | } | |
1052 | ||
1053 | ret = arizona_request_irq(arizona, ok_irq, fll->clock_ok_name, | |
1054 | arizona_fll_clock_ok, fll); | |
1055 | if (ret != 0) { | |
1056 | dev_err(arizona->dev, "Failed to get FLL%d clock OK IRQ: %d\n", | |
1057 | id, ret); | |
1058 | } | |
1059 | ||
1060 | return 0; | |
1061 | } | |
1062 | EXPORT_SYMBOL_GPL(arizona_init_fll); | |
1063 | ||
1064 | MODULE_DESCRIPTION("ASoC Wolfson Arizona class device support"); | |
1065 | MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); | |
1066 | MODULE_LICENSE("GPL"); |