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Commit | Line | Data |
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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, ...) \ | |
9092a6ea | 59 | dev_dbg(_fll->arizona->dev, "FLL%d: " fmt, _fll->id, ##__VA_ARGS__) |
07ed873e MB |
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, ...) \ | |
9092a6ea | 66 | dev_dbg(_dai->dev, "AIF%d: " fmt, _dai->id, ##__VA_ARGS__) |
07ed873e MB |
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", | |
91660bd6 MB |
144 | "ISRC1INT1", |
145 | "ISRC1INT2", | |
146 | "ISRC1INT3", | |
147 | "ISRC1INT4", | |
148 | "ISRC1DEC1", | |
149 | "ISRC1DEC2", | |
150 | "ISRC1DEC3", | |
151 | "ISRC1DEC4", | |
152 | "ISRC2INT1", | |
153 | "ISRC2INT2", | |
154 | "ISRC2INT3", | |
155 | "ISRC2INT4", | |
156 | "ISRC2DEC1", | |
157 | "ISRC2DEC2", | |
158 | "ISRC2DEC3", | |
159 | "ISRC2DEC4", | |
160 | "ISRC3INT1", | |
161 | "ISRC3INT2", | |
162 | "ISRC3INT3", | |
163 | "ISRC3INT4", | |
164 | "ISRC3DEC1", | |
165 | "ISRC3DEC2", | |
166 | "ISRC3DEC3", | |
167 | "ISRC3DEC4", | |
07ed873e MB |
168 | }; |
169 | EXPORT_SYMBOL_GPL(arizona_mixer_texts); | |
170 | ||
171 | int arizona_mixer_values[ARIZONA_NUM_MIXER_INPUTS] = { | |
172 | 0x00, /* None */ | |
173 | 0x04, /* Tone */ | |
174 | 0x05, | |
175 | 0x06, /* Haptics */ | |
176 | 0x08, /* AEC */ | |
177 | 0x0c, /* Noise mixer */ | |
178 | 0x0d, /* Comfort noise */ | |
179 | 0x10, /* IN1L */ | |
180 | 0x11, | |
181 | 0x12, | |
182 | 0x13, | |
183 | 0x14, | |
184 | 0x15, | |
c9c56fd0 MB |
185 | 0x16, |
186 | 0x17, | |
07ed873e MB |
187 | 0x20, /* AIF1RX1 */ |
188 | 0x21, | |
189 | 0x22, | |
190 | 0x23, | |
191 | 0x24, | |
192 | 0x25, | |
193 | 0x26, | |
194 | 0x27, | |
195 | 0x28, /* AIF2RX1 */ | |
196 | 0x29, | |
197 | 0x30, /* AIF3RX1 */ | |
198 | 0x31, | |
199 | 0x38, /* SLIMRX1 */ | |
200 | 0x39, | |
201 | 0x3a, | |
202 | 0x3b, | |
203 | 0x3c, | |
204 | 0x3d, | |
205 | 0x3e, | |
206 | 0x3f, | |
207 | 0x50, /* EQ1 */ | |
208 | 0x51, | |
209 | 0x52, | |
210 | 0x53, | |
211 | 0x58, /* DRC1L */ | |
212 | 0x59, | |
213 | 0x5a, | |
214 | 0x5b, | |
215 | 0x60, /* LHPF1 */ | |
216 | 0x61, | |
217 | 0x62, | |
218 | 0x63, | |
219 | 0x68, /* DSP1.1 */ | |
220 | 0x69, | |
221 | 0x6a, | |
222 | 0x6b, | |
223 | 0x6c, | |
224 | 0x6d, | |
c922cc4c MB |
225 | 0x70, /* DSP2.1 */ |
226 | 0x71, | |
227 | 0x72, | |
228 | 0x73, | |
229 | 0x74, | |
230 | 0x75, | |
231 | 0x78, /* DSP3.1 */ | |
232 | 0x79, | |
233 | 0x7a, | |
234 | 0x7b, | |
235 | 0x7c, | |
236 | 0x7d, | |
237 | 0x80, /* DSP4.1 */ | |
238 | 0x81, | |
239 | 0x82, | |
240 | 0x83, | |
241 | 0x84, | |
242 | 0x85, | |
07ed873e MB |
243 | 0x90, /* ASRC1L */ |
244 | 0x91, | |
245 | 0x92, | |
246 | 0x93, | |
91660bd6 MB |
247 | 0xa0, /* ISRC1INT1 */ |
248 | 0xa1, | |
249 | 0xa2, | |
250 | 0xa3, | |
251 | 0xa4, /* ISRC1DEC1 */ | |
252 | 0xa5, | |
253 | 0xa6, | |
254 | 0xa7, | |
255 | 0xa8, /* ISRC2DEC1 */ | |
256 | 0xa9, | |
257 | 0xaa, | |
258 | 0xab, | |
259 | 0xac, /* ISRC2INT1 */ | |
260 | 0xad, | |
261 | 0xae, | |
262 | 0xaf, | |
263 | 0xb0, /* ISRC3DEC1 */ | |
264 | 0xb1, | |
265 | 0xb2, | |
266 | 0xb3, | |
267 | 0xb4, /* ISRC3INT1 */ | |
268 | 0xb5, | |
269 | 0xb6, | |
270 | 0xb7, | |
07ed873e MB |
271 | }; |
272 | EXPORT_SYMBOL_GPL(arizona_mixer_values); | |
273 | ||
274 | const DECLARE_TLV_DB_SCALE(arizona_mixer_tlv, -3200, 100, 0); | |
275 | EXPORT_SYMBOL_GPL(arizona_mixer_tlv); | |
276 | ||
e853a00f MB |
277 | static const char *arizona_vol_ramp_text[] = { |
278 | "0ms/6dB", "0.5ms/6dB", "1ms/6dB", "2ms/6dB", "4ms/6dB", "8ms/6dB", | |
279 | "15ms/6dB", "30ms/6dB", | |
280 | }; | |
281 | ||
282 | const struct soc_enum arizona_in_vd_ramp = | |
283 | SOC_ENUM_SINGLE(ARIZONA_INPUT_VOLUME_RAMP, | |
284 | ARIZONA_IN_VD_RAMP_SHIFT, 7, arizona_vol_ramp_text); | |
285 | EXPORT_SYMBOL_GPL(arizona_in_vd_ramp); | |
286 | ||
287 | const struct soc_enum arizona_in_vi_ramp = | |
288 | SOC_ENUM_SINGLE(ARIZONA_INPUT_VOLUME_RAMP, | |
289 | ARIZONA_IN_VI_RAMP_SHIFT, 7, arizona_vol_ramp_text); | |
290 | EXPORT_SYMBOL_GPL(arizona_in_vi_ramp); | |
291 | ||
292 | const struct soc_enum arizona_out_vd_ramp = | |
293 | SOC_ENUM_SINGLE(ARIZONA_OUTPUT_VOLUME_RAMP, | |
294 | ARIZONA_OUT_VD_RAMP_SHIFT, 7, arizona_vol_ramp_text); | |
295 | EXPORT_SYMBOL_GPL(arizona_out_vd_ramp); | |
296 | ||
297 | const struct soc_enum arizona_out_vi_ramp = | |
298 | SOC_ENUM_SINGLE(ARIZONA_OUTPUT_VOLUME_RAMP, | |
299 | ARIZONA_OUT_VI_RAMP_SHIFT, 7, arizona_vol_ramp_text); | |
300 | EXPORT_SYMBOL_GPL(arizona_out_vi_ramp); | |
301 | ||
07ed873e MB |
302 | static const char *arizona_lhpf_mode_text[] = { |
303 | "Low-pass", "High-pass" | |
304 | }; | |
305 | ||
306 | const struct soc_enum arizona_lhpf1_mode = | |
307 | SOC_ENUM_SINGLE(ARIZONA_HPLPF1_1, ARIZONA_LHPF1_MODE_SHIFT, 2, | |
308 | arizona_lhpf_mode_text); | |
309 | EXPORT_SYMBOL_GPL(arizona_lhpf1_mode); | |
310 | ||
311 | const struct soc_enum arizona_lhpf2_mode = | |
312 | SOC_ENUM_SINGLE(ARIZONA_HPLPF2_1, ARIZONA_LHPF2_MODE_SHIFT, 2, | |
313 | arizona_lhpf_mode_text); | |
314 | EXPORT_SYMBOL_GPL(arizona_lhpf2_mode); | |
315 | ||
316 | const struct soc_enum arizona_lhpf3_mode = | |
317 | SOC_ENUM_SINGLE(ARIZONA_HPLPF3_1, ARIZONA_LHPF3_MODE_SHIFT, 2, | |
318 | arizona_lhpf_mode_text); | |
319 | EXPORT_SYMBOL_GPL(arizona_lhpf3_mode); | |
320 | ||
321 | const struct soc_enum arizona_lhpf4_mode = | |
322 | SOC_ENUM_SINGLE(ARIZONA_HPLPF4_1, ARIZONA_LHPF4_MODE_SHIFT, 2, | |
323 | arizona_lhpf_mode_text); | |
324 | EXPORT_SYMBOL_GPL(arizona_lhpf4_mode); | |
325 | ||
845571cc MB |
326 | static const char *arizona_ng_hold_text[] = { |
327 | "30ms", "120ms", "250ms", "500ms", | |
328 | }; | |
329 | ||
330 | const struct soc_enum arizona_ng_hold = | |
331 | SOC_ENUM_SINGLE(ARIZONA_NOISE_GATE_CONTROL, ARIZONA_NGATE_HOLD_SHIFT, | |
332 | 4, arizona_ng_hold_text); | |
333 | EXPORT_SYMBOL_GPL(arizona_ng_hold); | |
334 | ||
07ed873e MB |
335 | int arizona_in_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, |
336 | int event) | |
337 | { | |
43cd8bf1 MB |
338 | unsigned int reg; |
339 | ||
340 | if (w->shift % 2) | |
341 | reg = ARIZONA_ADC_DIGITAL_VOLUME_1L + ((w->shift / 2) * 8); | |
342 | else | |
343 | reg = ARIZONA_ADC_DIGITAL_VOLUME_1R + ((w->shift / 2) * 8); | |
344 | ||
345 | switch (event) { | |
346 | case SND_SOC_DAPM_POST_PMU: | |
347 | snd_soc_update_bits(w->codec, reg, ARIZONA_IN1L_MUTE, 0); | |
348 | break; | |
349 | case SND_SOC_DAPM_PRE_PMD: | |
350 | snd_soc_update_bits(w->codec, reg, ARIZONA_IN1L_MUTE, | |
351 | ARIZONA_IN1L_MUTE); | |
352 | break; | |
353 | } | |
354 | ||
07ed873e MB |
355 | return 0; |
356 | } | |
357 | EXPORT_SYMBOL_GPL(arizona_in_ev); | |
358 | ||
359 | int arizona_out_ev(struct snd_soc_dapm_widget *w, | |
360 | struct snd_kcontrol *kcontrol, | |
361 | int event) | |
362 | { | |
363 | return 0; | |
364 | } | |
365 | EXPORT_SYMBOL_GPL(arizona_out_ev); | |
366 | ||
cbd840da MB |
367 | static unsigned int arizona_sysclk_48k_rates[] = { |
368 | 6144000, | |
369 | 12288000, | |
96e1f18f | 370 | 24576000, |
cbd840da | 371 | 49152000, |
aeaeee1a MB |
372 | 73728000, |
373 | 98304000, | |
374 | 147456000, | |
cbd840da MB |
375 | }; |
376 | ||
377 | static unsigned int arizona_sysclk_44k1_rates[] = { | |
378 | 5644800, | |
379 | 11289600, | |
96e1f18f | 380 | 22579200, |
cbd840da | 381 | 45158400, |
aeaeee1a MB |
382 | 67737600, |
383 | 90316800, | |
384 | 135475200, | |
cbd840da MB |
385 | }; |
386 | ||
387 | static int arizona_set_opclk(struct snd_soc_codec *codec, unsigned int clk, | |
388 | unsigned int freq) | |
389 | { | |
390 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); | |
391 | unsigned int reg; | |
392 | unsigned int *rates; | |
393 | int ref, div, refclk; | |
394 | ||
395 | switch (clk) { | |
396 | case ARIZONA_CLK_OPCLK: | |
397 | reg = ARIZONA_OUTPUT_SYSTEM_CLOCK; | |
398 | refclk = priv->sysclk; | |
399 | break; | |
400 | case ARIZONA_CLK_ASYNC_OPCLK: | |
401 | reg = ARIZONA_OUTPUT_ASYNC_CLOCK; | |
402 | refclk = priv->asyncclk; | |
403 | break; | |
404 | default: | |
405 | return -EINVAL; | |
406 | } | |
407 | ||
408 | if (refclk % 8000) | |
409 | rates = arizona_sysclk_44k1_rates; | |
410 | else | |
411 | rates = arizona_sysclk_48k_rates; | |
412 | ||
413 | for (ref = 0; ref < ARRAY_SIZE(arizona_sysclk_48k_rates) && | |
414 | rates[ref] <= refclk; ref++) { | |
415 | div = 1; | |
416 | while (rates[ref] / div >= freq && div < 32) { | |
417 | if (rates[ref] / div == freq) { | |
418 | dev_dbg(codec->dev, "Configured %dHz OPCLK\n", | |
419 | freq); | |
420 | snd_soc_update_bits(codec, reg, | |
421 | ARIZONA_OPCLK_DIV_MASK | | |
422 | ARIZONA_OPCLK_SEL_MASK, | |
423 | (div << | |
424 | ARIZONA_OPCLK_DIV_SHIFT) | | |
425 | ref); | |
426 | return 0; | |
427 | } | |
428 | div++; | |
429 | } | |
430 | } | |
431 | ||
432 | dev_err(codec->dev, "Unable to generate %dHz OPCLK\n", freq); | |
433 | return -EINVAL; | |
434 | } | |
435 | ||
07ed873e MB |
436 | int arizona_set_sysclk(struct snd_soc_codec *codec, int clk_id, |
437 | int source, unsigned int freq, int dir) | |
438 | { | |
439 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); | |
440 | struct arizona *arizona = priv->arizona; | |
441 | char *name; | |
442 | unsigned int reg; | |
443 | unsigned int mask = ARIZONA_SYSCLK_FREQ_MASK | ARIZONA_SYSCLK_SRC_MASK; | |
444 | unsigned int val = source << ARIZONA_SYSCLK_SRC_SHIFT; | |
445 | unsigned int *clk; | |
446 | ||
447 | switch (clk_id) { | |
448 | case ARIZONA_CLK_SYSCLK: | |
449 | name = "SYSCLK"; | |
450 | reg = ARIZONA_SYSTEM_CLOCK_1; | |
451 | clk = &priv->sysclk; | |
452 | mask |= ARIZONA_SYSCLK_FRAC; | |
453 | break; | |
454 | case ARIZONA_CLK_ASYNCCLK: | |
455 | name = "ASYNCCLK"; | |
456 | reg = ARIZONA_ASYNC_CLOCK_1; | |
457 | clk = &priv->asyncclk; | |
458 | break; | |
cbd840da MB |
459 | case ARIZONA_CLK_OPCLK: |
460 | case ARIZONA_CLK_ASYNC_OPCLK: | |
461 | return arizona_set_opclk(codec, clk_id, freq); | |
07ed873e MB |
462 | default: |
463 | return -EINVAL; | |
464 | } | |
465 | ||
466 | switch (freq) { | |
467 | case 5644800: | |
468 | case 6144000: | |
469 | break; | |
470 | case 11289600: | |
471 | case 12288000: | |
472 | val |= 1 << ARIZONA_SYSCLK_FREQ_SHIFT; | |
473 | break; | |
474 | case 22579200: | |
475 | case 24576000: | |
476 | val |= 2 << ARIZONA_SYSCLK_FREQ_SHIFT; | |
477 | break; | |
478 | case 45158400: | |
479 | case 49152000: | |
480 | val |= 3 << ARIZONA_SYSCLK_FREQ_SHIFT; | |
481 | break; | |
38113360 MB |
482 | case 67737600: |
483 | case 73728000: | |
484 | val |= 4 << ARIZONA_SYSCLK_FREQ_SHIFT; | |
485 | break; | |
486 | case 90316800: | |
487 | case 98304000: | |
488 | val |= 5 << ARIZONA_SYSCLK_FREQ_SHIFT; | |
489 | break; | |
490 | case 135475200: | |
491 | case 147456000: | |
492 | val |= 6 << ARIZONA_SYSCLK_FREQ_SHIFT; | |
493 | break; | |
f2c26d48 MB |
494 | case 0: |
495 | dev_dbg(arizona->dev, "%s cleared\n", name); | |
496 | *clk = freq; | |
497 | return 0; | |
07ed873e MB |
498 | default: |
499 | return -EINVAL; | |
500 | } | |
501 | ||
502 | *clk = freq; | |
503 | ||
504 | if (freq % 6144000) | |
505 | val |= ARIZONA_SYSCLK_FRAC; | |
506 | ||
507 | dev_dbg(arizona->dev, "%s set to %uHz", name, freq); | |
508 | ||
509 | return regmap_update_bits(arizona->regmap, reg, mask, val); | |
510 | } | |
511 | EXPORT_SYMBOL_GPL(arizona_set_sysclk); | |
512 | ||
513 | static int arizona_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) | |
514 | { | |
515 | struct snd_soc_codec *codec = dai->codec; | |
516 | int lrclk, bclk, mode, base; | |
517 | ||
518 | base = dai->driver->base; | |
519 | ||
520 | lrclk = 0; | |
521 | bclk = 0; | |
522 | ||
523 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
524 | case SND_SOC_DAIFMT_DSP_A: | |
525 | mode = 0; | |
526 | break; | |
07ed873e MB |
527 | case SND_SOC_DAIFMT_I2S: |
528 | mode = 2; | |
529 | break; | |
07ed873e MB |
530 | default: |
531 | arizona_aif_err(dai, "Unsupported DAI format %d\n", | |
532 | fmt & SND_SOC_DAIFMT_FORMAT_MASK); | |
533 | return -EINVAL; | |
534 | } | |
535 | ||
536 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
537 | case SND_SOC_DAIFMT_CBS_CFS: | |
538 | break; | |
539 | case SND_SOC_DAIFMT_CBS_CFM: | |
540 | lrclk |= ARIZONA_AIF1TX_LRCLK_MSTR; | |
541 | break; | |
542 | case SND_SOC_DAIFMT_CBM_CFS: | |
543 | bclk |= ARIZONA_AIF1_BCLK_MSTR; | |
544 | break; | |
545 | case SND_SOC_DAIFMT_CBM_CFM: | |
546 | bclk |= ARIZONA_AIF1_BCLK_MSTR; | |
547 | lrclk |= ARIZONA_AIF1TX_LRCLK_MSTR; | |
548 | break; | |
549 | default: | |
550 | arizona_aif_err(dai, "Unsupported master mode %d\n", | |
551 | fmt & SND_SOC_DAIFMT_MASTER_MASK); | |
552 | return -EINVAL; | |
553 | } | |
554 | ||
555 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
556 | case SND_SOC_DAIFMT_NB_NF: | |
557 | break; | |
558 | case SND_SOC_DAIFMT_IB_IF: | |
559 | bclk |= ARIZONA_AIF1_BCLK_INV; | |
560 | lrclk |= ARIZONA_AIF1TX_LRCLK_INV; | |
561 | break; | |
562 | case SND_SOC_DAIFMT_IB_NF: | |
563 | bclk |= ARIZONA_AIF1_BCLK_INV; | |
564 | break; | |
565 | case SND_SOC_DAIFMT_NB_IF: | |
566 | lrclk |= ARIZONA_AIF1TX_LRCLK_INV; | |
567 | break; | |
568 | default: | |
569 | return -EINVAL; | |
570 | } | |
571 | ||
572 | snd_soc_update_bits(codec, base + ARIZONA_AIF_BCLK_CTRL, | |
573 | ARIZONA_AIF1_BCLK_INV | ARIZONA_AIF1_BCLK_MSTR, | |
574 | bclk); | |
575 | snd_soc_update_bits(codec, base + ARIZONA_AIF_TX_PIN_CTRL, | |
576 | ARIZONA_AIF1TX_LRCLK_INV | | |
577 | ARIZONA_AIF1TX_LRCLK_MSTR, lrclk); | |
578 | snd_soc_update_bits(codec, base + ARIZONA_AIF_RX_PIN_CTRL, | |
579 | ARIZONA_AIF1RX_LRCLK_INV | | |
580 | ARIZONA_AIF1RX_LRCLK_MSTR, lrclk); | |
581 | snd_soc_update_bits(codec, base + ARIZONA_AIF_FORMAT, | |
582 | ARIZONA_AIF1_FMT_MASK, mode); | |
583 | ||
584 | return 0; | |
585 | } | |
586 | ||
949e6bc7 | 587 | static const int arizona_48k_bclk_rates[] = { |
07ed873e MB |
588 | -1, |
589 | 48000, | |
590 | 64000, | |
591 | 96000, | |
592 | 128000, | |
593 | 192000, | |
594 | 256000, | |
595 | 384000, | |
596 | 512000, | |
597 | 768000, | |
598 | 1024000, | |
599 | 1536000, | |
600 | 2048000, | |
601 | 3072000, | |
602 | 4096000, | |
603 | 6144000, | |
604 | 8192000, | |
605 | 12288000, | |
606 | 24576000, | |
607 | }; | |
608 | ||
5b2eec3f MB |
609 | static const unsigned int arizona_48k_rates[] = { |
610 | 12000, | |
611 | 24000, | |
612 | 48000, | |
613 | 96000, | |
614 | 192000, | |
615 | 384000, | |
616 | 768000, | |
617 | 4000, | |
618 | 8000, | |
619 | 16000, | |
620 | 32000, | |
621 | 64000, | |
622 | 128000, | |
623 | 256000, | |
624 | 512000, | |
625 | }; | |
626 | ||
627 | static const struct snd_pcm_hw_constraint_list arizona_48k_constraint = { | |
628 | .count = ARRAY_SIZE(arizona_48k_rates), | |
629 | .list = arizona_48k_rates, | |
630 | }; | |
631 | ||
949e6bc7 | 632 | static const int arizona_44k1_bclk_rates[] = { |
07ed873e MB |
633 | -1, |
634 | 44100, | |
635 | 58800, | |
636 | 88200, | |
637 | 117600, | |
638 | 177640, | |
639 | 235200, | |
640 | 352800, | |
641 | 470400, | |
642 | 705600, | |
643 | 940800, | |
644 | 1411200, | |
645 | 1881600, | |
4758be37 | 646 | 2822400, |
07ed873e MB |
647 | 3763200, |
648 | 5644800, | |
649 | 7526400, | |
650 | 11289600, | |
651 | 22579200, | |
652 | }; | |
653 | ||
5b2eec3f MB |
654 | static const unsigned int arizona_44k1_rates[] = { |
655 | 11025, | |
656 | 22050, | |
657 | 44100, | |
658 | 88200, | |
659 | 176400, | |
660 | 352800, | |
661 | 705600, | |
662 | }; | |
663 | ||
664 | static const struct snd_pcm_hw_constraint_list arizona_44k1_constraint = { | |
665 | .count = ARRAY_SIZE(arizona_44k1_rates), | |
666 | .list = arizona_44k1_rates, | |
667 | }; | |
668 | ||
07ed873e MB |
669 | static int arizona_sr_vals[] = { |
670 | 0, | |
671 | 12000, | |
672 | 24000, | |
673 | 48000, | |
674 | 96000, | |
675 | 192000, | |
676 | 384000, | |
677 | 768000, | |
678 | 0, | |
679 | 11025, | |
680 | 22050, | |
681 | 44100, | |
682 | 88200, | |
683 | 176400, | |
684 | 352800, | |
685 | 705600, | |
686 | 4000, | |
687 | 8000, | |
688 | 16000, | |
689 | 32000, | |
690 | 64000, | |
691 | 128000, | |
692 | 256000, | |
693 | 512000, | |
694 | }; | |
695 | ||
5b2eec3f MB |
696 | static int arizona_startup(struct snd_pcm_substream *substream, |
697 | struct snd_soc_dai *dai) | |
698 | { | |
699 | struct snd_soc_codec *codec = dai->codec; | |
700 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); | |
701 | struct arizona_dai_priv *dai_priv = &priv->dai[dai->id - 1]; | |
702 | const struct snd_pcm_hw_constraint_list *constraint; | |
703 | unsigned int base_rate; | |
704 | ||
705 | switch (dai_priv->clk) { | |
706 | case ARIZONA_CLK_SYSCLK: | |
707 | base_rate = priv->sysclk; | |
708 | break; | |
709 | case ARIZONA_CLK_ASYNCCLK: | |
710 | base_rate = priv->asyncclk; | |
711 | break; | |
712 | default: | |
713 | return 0; | |
714 | } | |
715 | ||
f2c26d48 MB |
716 | if (base_rate == 0) |
717 | return 0; | |
718 | ||
5b2eec3f MB |
719 | if (base_rate % 8000) |
720 | constraint = &arizona_44k1_constraint; | |
721 | else | |
722 | constraint = &arizona_48k_constraint; | |
723 | ||
724 | return snd_pcm_hw_constraint_list(substream->runtime, 0, | |
725 | SNDRV_PCM_HW_PARAM_RATE, | |
726 | constraint); | |
727 | } | |
728 | ||
b272efc8 MB |
729 | static int arizona_hw_params_rate(struct snd_pcm_substream *substream, |
730 | struct snd_pcm_hw_params *params, | |
731 | struct snd_soc_dai *dai) | |
732 | { | |
733 | struct snd_soc_codec *codec = dai->codec; | |
734 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); | |
735 | struct arizona_dai_priv *dai_priv = &priv->dai[dai->id - 1]; | |
736 | int base = dai->driver->base; | |
737 | int i, sr_val; | |
738 | ||
739 | /* | |
740 | * We will need to be more flexible than this in future, | |
741 | * currently we use a single sample rate for SYSCLK. | |
742 | */ | |
743 | for (i = 0; i < ARRAY_SIZE(arizona_sr_vals); i++) | |
744 | if (arizona_sr_vals[i] == params_rate(params)) | |
745 | break; | |
746 | if (i == ARRAY_SIZE(arizona_sr_vals)) { | |
747 | arizona_aif_err(dai, "Unsupported sample rate %dHz\n", | |
748 | params_rate(params)); | |
749 | return -EINVAL; | |
750 | } | |
751 | sr_val = i; | |
752 | ||
753 | switch (dai_priv->clk) { | |
754 | case ARIZONA_CLK_SYSCLK: | |
755 | snd_soc_update_bits(codec, ARIZONA_SAMPLE_RATE_1, | |
756 | ARIZONA_SAMPLE_RATE_1_MASK, sr_val); | |
757 | if (base) | |
758 | snd_soc_update_bits(codec, base + ARIZONA_AIF_RATE_CTRL, | |
759 | ARIZONA_AIF1_RATE_MASK, 0); | |
760 | break; | |
761 | case ARIZONA_CLK_ASYNCCLK: | |
762 | snd_soc_update_bits(codec, ARIZONA_ASYNC_SAMPLE_RATE_1, | |
763 | ARIZONA_ASYNC_SAMPLE_RATE_MASK, sr_val); | |
764 | if (base) | |
765 | snd_soc_update_bits(codec, base + ARIZONA_AIF_RATE_CTRL, | |
766 | ARIZONA_AIF1_RATE_MASK, | |
767 | 8 << ARIZONA_AIF1_RATE_SHIFT); | |
768 | break; | |
769 | default: | |
770 | arizona_aif_err(dai, "Invalid clock %d\n", dai_priv->clk); | |
771 | return -EINVAL; | |
772 | } | |
773 | ||
774 | return 0; | |
775 | } | |
776 | ||
07ed873e MB |
777 | static int arizona_hw_params(struct snd_pcm_substream *substream, |
778 | struct snd_pcm_hw_params *params, | |
779 | struct snd_soc_dai *dai) | |
780 | { | |
781 | struct snd_soc_codec *codec = dai->codec; | |
c013b27a | 782 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); |
c94aa30e | 783 | struct arizona *arizona = priv->arizona; |
07ed873e MB |
784 | int base = dai->driver->base; |
785 | const int *rates; | |
b272efc8 | 786 | int i, ret; |
c94aa30e MB |
787 | int chan_limit = arizona->pdata.max_channels_clocked[dai->id - 1]; |
788 | int bclk, lrclk, wl, frame, bclk_target; | |
07ed873e MB |
789 | |
790 | if (params_rate(params) % 8000) | |
949e6bc7 | 791 | rates = &arizona_44k1_bclk_rates[0]; |
07ed873e | 792 | else |
949e6bc7 | 793 | rates = &arizona_48k_bclk_rates[0]; |
07ed873e | 794 | |
c94aa30e MB |
795 | bclk_target = snd_soc_params_to_bclk(params); |
796 | if (chan_limit && chan_limit < params_channels(params)) { | |
797 | arizona_aif_dbg(dai, "Limiting to %d channels\n", chan_limit); | |
798 | bclk_target /= params_channels(params); | |
799 | bclk_target *= chan_limit; | |
800 | } | |
801 | ||
949e6bc7 | 802 | for (i = 0; i < ARRAY_SIZE(arizona_44k1_bclk_rates); i++) { |
c94aa30e | 803 | if (rates[i] >= bclk_target && |
5001765f | 804 | rates[i] % params_rate(params) == 0) { |
07ed873e MB |
805 | bclk = i; |
806 | break; | |
807 | } | |
808 | } | |
949e6bc7 | 809 | if (i == ARRAY_SIZE(arizona_44k1_bclk_rates)) { |
07ed873e MB |
810 | arizona_aif_err(dai, "Unsupported sample rate %dHz\n", |
811 | params_rate(params)); | |
812 | return -EINVAL; | |
813 | } | |
814 | ||
b59e0f82 | 815 | lrclk = rates[bclk] / params_rate(params); |
07ed873e MB |
816 | |
817 | arizona_aif_dbg(dai, "BCLK %dHz LRCLK %dHz\n", | |
818 | rates[bclk], rates[bclk] / lrclk); | |
819 | ||
820 | wl = snd_pcm_format_width(params_format(params)); | |
821 | frame = wl << ARIZONA_AIF1TX_WL_SHIFT | wl; | |
822 | ||
b272efc8 MB |
823 | ret = arizona_hw_params_rate(substream, params, dai); |
824 | if (ret != 0) | |
825 | return ret; | |
c013b27a | 826 | |
07ed873e MB |
827 | snd_soc_update_bits(codec, base + ARIZONA_AIF_BCLK_CTRL, |
828 | ARIZONA_AIF1_BCLK_FREQ_MASK, bclk); | |
829 | snd_soc_update_bits(codec, base + ARIZONA_AIF_TX_BCLK_RATE, | |
830 | ARIZONA_AIF1TX_BCPF_MASK, lrclk); | |
831 | snd_soc_update_bits(codec, base + ARIZONA_AIF_RX_BCLK_RATE, | |
832 | ARIZONA_AIF1RX_BCPF_MASK, lrclk); | |
833 | snd_soc_update_bits(codec, base + ARIZONA_AIF_FRAME_CTRL_1, | |
834 | ARIZONA_AIF1TX_WL_MASK | | |
835 | ARIZONA_AIF1TX_SLOT_LEN_MASK, frame); | |
836 | snd_soc_update_bits(codec, base + ARIZONA_AIF_FRAME_CTRL_2, | |
837 | ARIZONA_AIF1RX_WL_MASK | | |
838 | ARIZONA_AIF1RX_SLOT_LEN_MASK, frame); | |
839 | ||
840 | return 0; | |
841 | } | |
842 | ||
410837a7 MB |
843 | static const char *arizona_dai_clk_str(int clk_id) |
844 | { | |
845 | switch (clk_id) { | |
846 | case ARIZONA_CLK_SYSCLK: | |
847 | return "SYSCLK"; | |
848 | case ARIZONA_CLK_ASYNCCLK: | |
849 | return "ASYNCCLK"; | |
850 | default: | |
851 | return "Unknown clock"; | |
852 | } | |
853 | } | |
854 | ||
5b2eec3f MB |
855 | static int arizona_dai_set_sysclk(struct snd_soc_dai *dai, |
856 | int clk_id, unsigned int freq, int dir) | |
857 | { | |
858 | struct snd_soc_codec *codec = dai->codec; | |
859 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); | |
860 | struct arizona_dai_priv *dai_priv = &priv->dai[dai->id - 1]; | |
410837a7 | 861 | struct snd_soc_dapm_route routes[2]; |
5b2eec3f MB |
862 | |
863 | switch (clk_id) { | |
864 | case ARIZONA_CLK_SYSCLK: | |
865 | case ARIZONA_CLK_ASYNCCLK: | |
866 | break; | |
867 | default: | |
868 | return -EINVAL; | |
869 | } | |
870 | ||
410837a7 MB |
871 | if (clk_id == dai_priv->clk) |
872 | return 0; | |
873 | ||
874 | if (dai->active) { | |
5b2eec3f MB |
875 | dev_err(codec->dev, "Can't change clock on active DAI %d\n", |
876 | dai->id); | |
877 | return -EBUSY; | |
878 | } | |
879 | ||
c8d35a6a MB |
880 | dev_dbg(codec->dev, "Setting AIF%d to %s\n", dai->id + 1, |
881 | arizona_dai_clk_str(clk_id)); | |
882 | ||
410837a7 MB |
883 | memset(&routes, 0, sizeof(routes)); |
884 | routes[0].sink = dai->driver->capture.stream_name; | |
885 | routes[1].sink = dai->driver->playback.stream_name; | |
5b2eec3f | 886 | |
410837a7 MB |
887 | routes[0].source = arizona_dai_clk_str(dai_priv->clk); |
888 | routes[1].source = arizona_dai_clk_str(dai_priv->clk); | |
889 | snd_soc_dapm_del_routes(&codec->dapm, routes, ARRAY_SIZE(routes)); | |
890 | ||
891 | routes[0].source = arizona_dai_clk_str(clk_id); | |
892 | routes[1].source = arizona_dai_clk_str(clk_id); | |
893 | snd_soc_dapm_add_routes(&codec->dapm, routes, ARRAY_SIZE(routes)); | |
894 | ||
0c778e86 MB |
895 | dai_priv->clk = clk_id; |
896 | ||
410837a7 | 897 | return snd_soc_dapm_sync(&codec->dapm); |
5b2eec3f MB |
898 | } |
899 | ||
01df259f MB |
900 | static int arizona_set_tristate(struct snd_soc_dai *dai, int tristate) |
901 | { | |
902 | struct snd_soc_codec *codec = dai->codec; | |
903 | int base = dai->driver->base; | |
904 | unsigned int reg; | |
905 | ||
906 | if (tristate) | |
907 | reg = ARIZONA_AIF1_TRI; | |
908 | else | |
909 | reg = 0; | |
910 | ||
911 | return snd_soc_update_bits(codec, base + ARIZONA_AIF_RATE_CTRL, | |
912 | ARIZONA_AIF1_TRI, reg); | |
913 | } | |
914 | ||
07ed873e | 915 | const struct snd_soc_dai_ops arizona_dai_ops = { |
5b2eec3f | 916 | .startup = arizona_startup, |
07ed873e MB |
917 | .set_fmt = arizona_set_fmt, |
918 | .hw_params = arizona_hw_params, | |
5b2eec3f | 919 | .set_sysclk = arizona_dai_set_sysclk, |
01df259f | 920 | .set_tristate = arizona_set_tristate, |
07ed873e | 921 | }; |
a837987e | 922 | EXPORT_SYMBOL_GPL(arizona_dai_ops); |
07ed873e | 923 | |
5b2eec3f MB |
924 | int arizona_init_dai(struct arizona_priv *priv, int id) |
925 | { | |
926 | struct arizona_dai_priv *dai_priv = &priv->dai[id]; | |
927 | ||
928 | dai_priv->clk = ARIZONA_CLK_SYSCLK; | |
929 | ||
930 | return 0; | |
931 | } | |
932 | EXPORT_SYMBOL_GPL(arizona_init_dai); | |
933 | ||
07ed873e MB |
934 | static irqreturn_t arizona_fll_clock_ok(int irq, void *data) |
935 | { | |
936 | struct arizona_fll *fll = data; | |
937 | ||
938 | arizona_fll_dbg(fll, "clock OK\n"); | |
939 | ||
940 | complete(&fll->ok); | |
941 | ||
942 | return IRQ_HANDLED; | |
943 | } | |
944 | ||
945 | static struct { | |
946 | unsigned int min; | |
947 | unsigned int max; | |
948 | u16 fratio; | |
949 | int ratio; | |
950 | } fll_fratios[] = { | |
951 | { 0, 64000, 4, 16 }, | |
952 | { 64000, 128000, 3, 8 }, | |
953 | { 128000, 256000, 2, 4 }, | |
954 | { 256000, 1000000, 1, 2 }, | |
955 | { 1000000, 13500000, 0, 1 }, | |
956 | }; | |
957 | ||
958 | struct arizona_fll_cfg { | |
959 | int n; | |
960 | int theta; | |
961 | int lambda; | |
962 | int refdiv; | |
963 | int outdiv; | |
964 | int fratio; | |
965 | }; | |
966 | ||
967 | static int arizona_calc_fll(struct arizona_fll *fll, | |
968 | struct arizona_fll_cfg *cfg, | |
969 | unsigned int Fref, | |
970 | unsigned int Fout) | |
971 | { | |
972 | unsigned int target, div, gcd_fll; | |
973 | int i, ratio; | |
974 | ||
975 | arizona_fll_dbg(fll, "Fref=%u Fout=%u\n", Fref, Fout); | |
976 | ||
977 | /* Fref must be <=13.5MHz */ | |
978 | div = 1; | |
979 | cfg->refdiv = 0; | |
980 | while ((Fref / div) > 13500000) { | |
981 | div *= 2; | |
982 | cfg->refdiv++; | |
983 | ||
984 | if (div > 8) { | |
985 | arizona_fll_err(fll, | |
986 | "Can't scale %dMHz in to <=13.5MHz\n", | |
987 | Fref); | |
988 | return -EINVAL; | |
989 | } | |
990 | } | |
991 | ||
992 | /* Apply the division for our remaining calculations */ | |
993 | Fref /= div; | |
994 | ||
2b4d39fc | 995 | /* Fvco should be over the targt; don't check the upper bound */ |
07ed873e | 996 | div = 1; |
2b4d39fc | 997 | while (Fout * div < 90000000 * fll->vco_mult) { |
07ed873e MB |
998 | div++; |
999 | if (div > 7) { | |
1000 | arizona_fll_err(fll, "No FLL_OUTDIV for Fout=%uHz\n", | |
1001 | Fout); | |
1002 | return -EINVAL; | |
1003 | } | |
1004 | } | |
2b4d39fc | 1005 | target = Fout * div / fll->vco_mult; |
07ed873e MB |
1006 | cfg->outdiv = div; |
1007 | ||
1008 | arizona_fll_dbg(fll, "Fvco=%dHz\n", target); | |
1009 | ||
1010 | /* Find an appropraite FLL_FRATIO and factor it out of the target */ | |
1011 | for (i = 0; i < ARRAY_SIZE(fll_fratios); i++) { | |
1012 | if (fll_fratios[i].min <= Fref && Fref <= fll_fratios[i].max) { | |
1013 | cfg->fratio = fll_fratios[i].fratio; | |
1014 | ratio = fll_fratios[i].ratio; | |
1015 | break; | |
1016 | } | |
1017 | } | |
1018 | if (i == ARRAY_SIZE(fll_fratios)) { | |
1019 | arizona_fll_err(fll, "Unable to find FRATIO for Fref=%uHz\n", | |
1020 | Fref); | |
1021 | return -EINVAL; | |
1022 | } | |
1023 | ||
1024 | cfg->n = target / (ratio * Fref); | |
1025 | ||
01f58153 | 1026 | if (target % (ratio * Fref)) { |
07ed873e MB |
1027 | gcd_fll = gcd(target, ratio * Fref); |
1028 | arizona_fll_dbg(fll, "GCD=%u\n", gcd_fll); | |
1029 | ||
1030 | cfg->theta = (target - (cfg->n * ratio * Fref)) | |
1031 | / gcd_fll; | |
1032 | cfg->lambda = (ratio * Fref) / gcd_fll; | |
1033 | } else { | |
1034 | cfg->theta = 0; | |
1035 | cfg->lambda = 0; | |
1036 | } | |
1037 | ||
01f58153 RT |
1038 | /* Round down to 16bit range with cost of accuracy lost. |
1039 | * Denominator must be bigger than numerator so we only | |
1040 | * take care of it. | |
1041 | */ | |
1042 | while (cfg->lambda >= (1 << 16)) { | |
1043 | cfg->theta >>= 1; | |
1044 | cfg->lambda >>= 1; | |
1045 | } | |
1046 | ||
07ed873e MB |
1047 | arizona_fll_dbg(fll, "N=%x THETA=%x LAMBDA=%x\n", |
1048 | cfg->n, cfg->theta, cfg->lambda); | |
1049 | arizona_fll_dbg(fll, "FRATIO=%x(%d) OUTDIV=%x REFCLK_DIV=%x\n", | |
1050 | cfg->fratio, cfg->fratio, cfg->outdiv, cfg->refdiv); | |
1051 | ||
1052 | return 0; | |
1053 | ||
1054 | } | |
1055 | ||
1056 | static void arizona_apply_fll(struct arizona *arizona, unsigned int base, | |
1057 | struct arizona_fll_cfg *cfg, int source) | |
1058 | { | |
1059 | regmap_update_bits(arizona->regmap, base + 3, | |
1060 | ARIZONA_FLL1_THETA_MASK, cfg->theta); | |
1061 | regmap_update_bits(arizona->regmap, base + 4, | |
1062 | ARIZONA_FLL1_LAMBDA_MASK, cfg->lambda); | |
1063 | regmap_update_bits(arizona->regmap, base + 5, | |
1064 | ARIZONA_FLL1_FRATIO_MASK, | |
1065 | cfg->fratio << ARIZONA_FLL1_FRATIO_SHIFT); | |
1066 | regmap_update_bits(arizona->regmap, base + 6, | |
1067 | ARIZONA_FLL1_CLK_REF_DIV_MASK | | |
1068 | ARIZONA_FLL1_CLK_REF_SRC_MASK, | |
1069 | cfg->refdiv << ARIZONA_FLL1_CLK_REF_DIV_SHIFT | | |
1070 | source << ARIZONA_FLL1_CLK_REF_SRC_SHIFT); | |
1071 | ||
1072 | regmap_update_bits(arizona->regmap, base + 2, | |
1073 | ARIZONA_FLL1_CTRL_UPD | ARIZONA_FLL1_N_MASK, | |
1074 | ARIZONA_FLL1_CTRL_UPD | cfg->n); | |
1075 | } | |
1076 | ||
d122d6c9 CK |
1077 | static bool arizona_is_enabled_fll(struct arizona_fll *fll) |
1078 | { | |
1079 | struct arizona *arizona = fll->arizona; | |
1080 | unsigned int reg; | |
1081 | int ret; | |
1082 | ||
1083 | ret = regmap_read(arizona->regmap, fll->base + 1, ®); | |
1084 | if (ret != 0) { | |
1085 | arizona_fll_err(fll, "Failed to read current state: %d\n", | |
1086 | ret); | |
1087 | return ret; | |
1088 | } | |
1089 | ||
1090 | return reg & ARIZONA_FLL1_ENA; | |
1091 | } | |
1092 | ||
7604054e CK |
1093 | static void arizona_disable_fll(struct arizona_fll *fll) |
1094 | { | |
1095 | struct arizona *arizona = fll->arizona; | |
1096 | bool change; | |
1097 | ||
1098 | regmap_update_bits_check(arizona->regmap, fll->base + 1, | |
1099 | ARIZONA_FLL1_ENA, 0, &change); | |
1100 | regmap_update_bits(arizona->regmap, fll->base + 0x11, | |
1101 | ARIZONA_FLL1_SYNC_ENA, 0); | |
1102 | ||
1103 | if (change) | |
1104 | pm_runtime_put_autosuspend(arizona->dev); | |
1105 | } | |
1106 | ||
07ed873e MB |
1107 | int arizona_set_fll(struct arizona_fll *fll, int source, |
1108 | unsigned int Fref, unsigned int Fout) | |
1109 | { | |
1110 | struct arizona *arizona = fll->arizona; | |
9e359c64 | 1111 | struct arizona_fll_cfg ref, sync; |
07ed873e MB |
1112 | bool ena; |
1113 | int ret; | |
1114 | ||
1cbe4bca MB |
1115 | if (fll->fref == Fref && fll->fout == Fout) |
1116 | return 0; | |
1117 | ||
9e359c64 CK |
1118 | if (fll->ref_src < 0 || fll->ref_src == source) { |
1119 | if (Fout) { | |
1120 | ret = arizona_calc_fll(fll, &ref, Fref, Fout); | |
1121 | if (ret != 0) | |
1122 | return ret; | |
1123 | } | |
1124 | ||
1125 | fll->sync_src = -1; | |
1126 | fll->ref_src = source; | |
1127 | fll->ref_freq = Fref; | |
1128 | } else { | |
1129 | if (Fout) { | |
1130 | ret = arizona_calc_fll(fll, &ref, fll->ref_freq, Fout); | |
1131 | if (ret != 0) | |
1132 | return ret; | |
1133 | ||
1134 | ret = arizona_calc_fll(fll, &sync, Fref, Fout); | |
1135 | if (ret != 0) | |
1136 | return ret; | |
1137 | } | |
1138 | ||
1139 | fll->sync_src = source; | |
1140 | fll->sync_freq = Fref; | |
1141 | } | |
1142 | ||
d122d6c9 | 1143 | ena = arizona_is_enabled_fll(fll); |
07ed873e MB |
1144 | |
1145 | if (Fout) { | |
9e359c64 CK |
1146 | regmap_update_bits(arizona->regmap, fll->base + 5, |
1147 | ARIZONA_FLL1_OUTDIV_MASK, | |
1148 | ref.outdiv << ARIZONA_FLL1_OUTDIV_SHIFT); | |
07ed873e | 1149 | |
9e359c64 CK |
1150 | arizona_apply_fll(arizona, fll->base, &ref, fll->ref_src); |
1151 | if (fll->sync_src >= 0) | |
1152 | arizona_apply_fll(arizona, fll->base + 0x10, &sync, | |
1153 | fll->sync_src); | |
07ed873e | 1154 | |
9e359c64 CK |
1155 | if (!ena) |
1156 | pm_runtime_get(arizona->dev); | |
07ed873e | 1157 | |
9e359c64 CK |
1158 | /* Clear any pending completions */ |
1159 | try_wait_for_completion(&fll->ok); | |
1160 | ||
1161 | regmap_update_bits(arizona->regmap, fll->base + 1, | |
1162 | ARIZONA_FLL1_ENA, ARIZONA_FLL1_ENA); | |
1163 | if (fll->sync_src >= 0) | |
1164 | regmap_update_bits(arizona->regmap, fll->base + 0x11, | |
1165 | ARIZONA_FLL1_SYNC_ENA, | |
1166 | ARIZONA_FLL1_SYNC_ENA); | |
1167 | ||
1168 | ret = wait_for_completion_timeout(&fll->ok, | |
1169 | msecs_to_jiffies(250)); | |
1170 | if (ret == 0) | |
1171 | arizona_fll_warn(fll, "Timed out waiting for lock\n"); | |
07ed873e | 1172 | } else { |
7604054e | 1173 | arizona_disable_fll(fll); |
07ed873e MB |
1174 | } |
1175 | ||
1cbe4bca MB |
1176 | fll->fref = Fref; |
1177 | fll->fout = Fout; | |
1178 | ||
07ed873e MB |
1179 | return 0; |
1180 | } | |
1181 | EXPORT_SYMBOL_GPL(arizona_set_fll); | |
1182 | ||
1183 | int arizona_init_fll(struct arizona *arizona, int id, int base, int lock_irq, | |
1184 | int ok_irq, struct arizona_fll *fll) | |
1185 | { | |
1186 | int ret; | |
19b34bdc | 1187 | unsigned int val; |
07ed873e | 1188 | |
07ed873e MB |
1189 | init_completion(&fll->ok); |
1190 | ||
1191 | fll->id = id; | |
1192 | fll->base = base; | |
1193 | fll->arizona = arizona; | |
9e359c64 | 1194 | fll->sync_src = -1; |
07ed873e | 1195 | |
19b34bdc CK |
1196 | /* Configure default refclk to 32kHz if we have one */ |
1197 | regmap_read(arizona->regmap, ARIZONA_CLOCK_32K_1, &val); | |
1198 | switch (val & ARIZONA_CLK_32K_SRC_MASK) { | |
1199 | case ARIZONA_CLK_SRC_MCLK1: | |
1200 | case ARIZONA_CLK_SRC_MCLK2: | |
1201 | fll->ref_src = val & ARIZONA_CLK_32K_SRC_MASK; | |
1202 | break; | |
1203 | default: | |
1204 | fll->ref_src = -1; | |
1205 | } | |
1206 | fll->ref_freq = 32768; | |
1207 | ||
07ed873e MB |
1208 | snprintf(fll->lock_name, sizeof(fll->lock_name), "FLL%d lock", id); |
1209 | snprintf(fll->clock_ok_name, sizeof(fll->clock_ok_name), | |
1210 | "FLL%d clock OK", id); | |
1211 | ||
07ed873e MB |
1212 | ret = arizona_request_irq(arizona, ok_irq, fll->clock_ok_name, |
1213 | arizona_fll_clock_ok, fll); | |
1214 | if (ret != 0) { | |
1215 | dev_err(arizona->dev, "Failed to get FLL%d clock OK IRQ: %d\n", | |
1216 | id, ret); | |
1217 | } | |
1218 | ||
e31c1946 CK |
1219 | regmap_update_bits(arizona->regmap, fll->base + 1, |
1220 | ARIZONA_FLL1_FREERUN, 0); | |
1221 | ||
07ed873e MB |
1222 | return 0; |
1223 | } | |
1224 | EXPORT_SYMBOL_GPL(arizona_init_fll); | |
1225 | ||
bc9ab6d3 MB |
1226 | /** |
1227 | * arizona_set_output_mode - Set the mode of the specified output | |
1228 | * | |
1229 | * @codec: Device to configure | |
1230 | * @output: Output number | |
1231 | * @diff: True to set the output to differential mode | |
1232 | * | |
1233 | * Some systems use external analogue switches to connect more | |
1234 | * analogue devices to the CODEC than are supported by the device. In | |
1235 | * some systems this requires changing the switched output from single | |
1236 | * ended to differential mode dynamically at runtime, an operation | |
1237 | * supported using this function. | |
1238 | * | |
1239 | * Most systems have a single static configuration and should use | |
1240 | * platform data instead. | |
1241 | */ | |
1242 | int arizona_set_output_mode(struct snd_soc_codec *codec, int output, bool diff) | |
1243 | { | |
1244 | unsigned int reg, val; | |
1245 | ||
1246 | if (output < 1 || output > 6) | |
1247 | return -EINVAL; | |
1248 | ||
1249 | reg = ARIZONA_OUTPUT_PATH_CONFIG_1L + (output - 1) * 8; | |
1250 | ||
1251 | if (diff) | |
1252 | val = ARIZONA_OUT1_MONO; | |
1253 | else | |
1254 | val = 0; | |
1255 | ||
1256 | return snd_soc_update_bits(codec, reg, ARIZONA_OUT1_MONO, val); | |
1257 | } | |
1258 | EXPORT_SYMBOL_GPL(arizona_set_output_mode); | |
1259 | ||
07ed873e MB |
1260 | MODULE_DESCRIPTION("ASoC Wolfson Arizona class device support"); |
1261 | MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); | |
1262 | MODULE_LICENSE("GPL"); |