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a3a83d9a KM |
1 | /* |
2 | * ak4642.c -- AK4642/AK4643 ALSA Soc Audio driver | |
3 | * | |
4 | * Copyright (C) 2009 Renesas Solutions Corp. | |
5 | * Kuninori Morimoto <morimoto.kuninori@renesas.com> | |
6 | * | |
7 | * Based on wm8731.c by Richard Purdie | |
8 | * Based on ak4535.c by Richard Purdie | |
9 | * Based on wm8753.c by Liam Girdwood | |
10 | * | |
11 | * This program is free software; you can redistribute it and/or modify | |
12 | * it under the terms of the GNU General Public License version 2 as | |
13 | * published by the Free Software Foundation. | |
14 | */ | |
15 | ||
16 | /* ** CAUTION ** | |
17 | * | |
18 | * This is very simple driver. | |
19 | * It can use headphone output / stereo input only | |
20 | * | |
20211391 | 21 | * AK4642 is tested. |
a3a83d9a | 22 | * AK4643 is tested. |
a9317e8b | 23 | * AK4648 is tested. |
a3a83d9a KM |
24 | */ |
25 | ||
a3a83d9a | 26 | #include <linux/delay.h> |
a3a83d9a | 27 | #include <linux/i2c.h> |
5a0e3ad6 | 28 | #include <linux/slab.h> |
bbf1453e | 29 | #include <linux/of_device.h> |
da155d5b | 30 | #include <linux/module.h> |
4574cd94 | 31 | #include <linux/regmap.h> |
ce6120cc | 32 | #include <sound/soc.h> |
a3a83d9a | 33 | #include <sound/initval.h> |
a300de3c | 34 | #include <sound/tlv.h> |
a3a83d9a | 35 | |
a3a83d9a KM |
36 | #define PW_MGMT1 0x00 |
37 | #define PW_MGMT2 0x01 | |
38 | #define SG_SL1 0x02 | |
39 | #define SG_SL2 0x03 | |
40 | #define MD_CTL1 0x04 | |
41 | #define MD_CTL2 0x05 | |
42 | #define TIMER 0x06 | |
43 | #define ALC_CTL1 0x07 | |
44 | #define ALC_CTL2 0x08 | |
45 | #define L_IVC 0x09 | |
46 | #define L_DVC 0x0a | |
47 | #define ALC_CTL3 0x0b | |
48 | #define R_IVC 0x0c | |
49 | #define R_DVC 0x0d | |
50 | #define MD_CTL3 0x0e | |
51 | #define MD_CTL4 0x0f | |
52 | #define PW_MGMT3 0x10 | |
53 | #define DF_S 0x11 | |
54 | #define FIL3_0 0x12 | |
55 | #define FIL3_1 0x13 | |
56 | #define FIL3_2 0x14 | |
57 | #define FIL3_3 0x15 | |
58 | #define EQ_0 0x16 | |
59 | #define EQ_1 0x17 | |
60 | #define EQ_2 0x18 | |
61 | #define EQ_3 0x19 | |
62 | #define EQ_4 0x1a | |
63 | #define EQ_5 0x1b | |
64 | #define FIL1_0 0x1c | |
65 | #define FIL1_1 0x1d | |
66 | #define FIL1_2 0x1e | |
67 | #define FIL1_3 0x1f | |
68 | #define PW_MGMT4 0x20 | |
69 | #define MD_CTL5 0x21 | |
70 | #define LO_MS 0x22 | |
71 | #define HP_MS 0x23 | |
72 | #define SPK_MS 0x24 | |
73 | ||
a3471239 KM |
74 | /* PW_MGMT1*/ |
75 | #define PMVCM (1 << 6) /* VCOM Power Management */ | |
76 | #define PMMIN (1 << 5) /* MIN Input Power Management */ | |
77 | #define PMDAC (1 << 2) /* DAC Power Management */ | |
78 | #define PMADL (1 << 0) /* MIC Amp Lch and ADC Lch Power Management */ | |
79 | ||
0643ce8f KM |
80 | /* PW_MGMT2 */ |
81 | #define HPMTN (1 << 6) | |
82 | #define PMHPL (1 << 5) | |
83 | #define PMHPR (1 << 4) | |
84 | #define MS (1 << 3) /* master/slave select */ | |
85 | #define MCKO (1 << 1) | |
86 | #define PMPLL (1 << 0) | |
87 | ||
88 | #define PMHP_MASK (PMHPL | PMHPR) | |
89 | #define PMHP PMHP_MASK | |
90 | ||
a3471239 KM |
91 | /* PW_MGMT3 */ |
92 | #define PMADR (1 << 0) /* MIC L / ADC R Power Management */ | |
93 | ||
94 | /* SG_SL1 */ | |
95 | #define MINS (1 << 6) /* Switch from MIN to Speaker */ | |
96 | #define DACL (1 << 4) /* Switch from DAC to Stereo or Receiver */ | |
97 | #define PMMP (1 << 2) /* MPWR pin Power Management */ | |
98 | #define MGAIN0 (1 << 0) /* MIC amp gain*/ | |
99 | ||
39c26180 TK |
100 | /* SG_SL2 */ |
101 | #define LOPS (1 << 6) /* Stero Line-out Power Save Mode */ | |
102 | ||
a3471239 | 103 | /* TIMER */ |
da731845 | 104 | #define ZTM(param) ((param & 0x3) << 4) /* ALC Zero Crossing TimeOut */ |
a3471239 KM |
105 | #define WTM(param) (((param & 0x4) << 4) | ((param & 0x3) << 2)) |
106 | ||
107 | /* ALC_CTL1 */ | |
108 | #define ALC (1 << 5) /* ALC Enable */ | |
109 | #define LMTH0 (1 << 0) /* ALC Limiter / Recovery Level */ | |
110 | ||
4b6316b4 KM |
111 | /* MD_CTL1 */ |
112 | #define PLL3 (1 << 7) | |
113 | #define PLL2 (1 << 6) | |
114 | #define PLL1 (1 << 5) | |
115 | #define PLL0 (1 << 4) | |
116 | #define PLL_MASK (PLL3 | PLL2 | PLL1 | PLL0) | |
117 | ||
0643ce8f KM |
118 | #define BCKO_MASK (1 << 3) |
119 | #define BCKO_64 BCKO_MASK | |
120 | ||
cb9c130a KM |
121 | #define DIF_MASK (3 << 0) |
122 | #define DSP (0 << 0) | |
123 | #define RIGHT_J (1 << 0) | |
124 | #define LEFT_J (2 << 0) | |
125 | #define I2S (3 << 0) | |
126 | ||
1ad747ca KM |
127 | /* MD_CTL2 */ |
128 | #define FS0 (1 << 0) | |
129 | #define FS1 (1 << 1) | |
130 | #define FS2 (1 << 2) | |
131 | #define FS3 (1 << 5) | |
132 | #define FS_MASK (FS0 | FS1 | FS2 | FS3) | |
133 | ||
a3471239 KM |
134 | /* MD_CTL3 */ |
135 | #define BST1 (1 << 3) | |
136 | ||
137 | /* MD_CTL4 */ | |
138 | #define DACH (1 << 0) | |
a3a83d9a | 139 | |
d815c703 SH |
140 | struct ak4642_drvdata { |
141 | const struct regmap_config *regmap_config; | |
5cd15e29 | 142 | int extended_frequencies; |
d815c703 SH |
143 | }; |
144 | ||
145 | struct ak4642_priv { | |
146 | const struct ak4642_drvdata *drvdata; | |
147 | }; | |
148 | ||
a300de3c KM |
149 | /* |
150 | * Playback Volume (table 39) | |
151 | * | |
152 | * max : 0x00 : +12.0 dB | |
153 | * ( 0.5 dB step ) | |
154 | * min : 0xFE : -115.0 dB | |
155 | * mute: 0xFF | |
156 | */ | |
1f99e44c | 157 | static const DECLARE_TLV_DB_SCALE(out_tlv, -11550, 50, 1); |
a300de3c KM |
158 | |
159 | static const struct snd_kcontrol_new ak4642_snd_controls[] = { | |
160 | ||
161 | SOC_DOUBLE_R_TLV("Digital Playback Volume", L_DVC, R_DVC, | |
162 | 0, 0xFF, 1, out_tlv), | |
370f83a1 SH |
163 | SOC_SINGLE("ALC Capture Switch", ALC_CTL1, 5, 1, 0), |
164 | SOC_SINGLE("ALC Capture ZC Switch", ALC_CTL1, 4, 1, 1), | |
a300de3c KM |
165 | }; |
166 | ||
e555cf36 KM |
167 | static const struct snd_kcontrol_new ak4642_headphone_control = |
168 | SOC_DAPM_SINGLE("Switch", PW_MGMT2, 6, 1, 0); | |
24747dae | 169 | |
e8c83dbf KM |
170 | static const struct snd_kcontrol_new ak4642_lout_mixer_controls[] = { |
171 | SOC_DAPM_SINGLE("DACL", SG_SL1, 4, 1, 0), | |
172 | }; | |
173 | ||
39c26180 TK |
174 | /* event handlers */ |
175 | static int ak4642_lout_event(struct snd_soc_dapm_widget *w, | |
176 | struct snd_kcontrol *kcontrol, int event) | |
177 | { | |
178 | struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); | |
179 | ||
180 | switch (event) { | |
181 | case SND_SOC_DAPM_PRE_PMD: | |
182 | case SND_SOC_DAPM_PRE_PMU: | |
183 | /* Power save mode ON */ | |
184 | snd_soc_update_bits(codec, SG_SL2, LOPS, LOPS); | |
185 | break; | |
186 | case SND_SOC_DAPM_POST_PMU: | |
187 | case SND_SOC_DAPM_POST_PMD: | |
188 | /* Power save mode OFF */ | |
189 | mdelay(300); | |
190 | snd_soc_update_bits(codec, SG_SL2, LOPS, 0); | |
191 | break; | |
192 | } | |
193 | ||
194 | return 0; | |
195 | } | |
196 | ||
24747dae KM |
197 | static const struct snd_soc_dapm_widget ak4642_dapm_widgets[] = { |
198 | ||
199 | /* Outputs */ | |
200 | SND_SOC_DAPM_OUTPUT("HPOUTL"), | |
201 | SND_SOC_DAPM_OUTPUT("HPOUTR"), | |
e8c83dbf | 202 | SND_SOC_DAPM_OUTPUT("LINEOUT"), |
24747dae | 203 | |
e555cf36 KM |
204 | SND_SOC_DAPM_PGA("HPL Out", PW_MGMT2, 5, 0, NULL, 0), |
205 | SND_SOC_DAPM_PGA("HPR Out", PW_MGMT2, 4, 0, NULL, 0), | |
206 | SND_SOC_DAPM_SWITCH("Headphone Enable", SND_SOC_NOPM, 0, 0, | |
207 | &ak4642_headphone_control), | |
24747dae | 208 | |
e555cf36 | 209 | SND_SOC_DAPM_PGA("DACH", MD_CTL4, 0, 0, NULL, 0), |
24747dae | 210 | |
39c26180 | 211 | SND_SOC_DAPM_MIXER_E("LINEOUT Mixer", PW_MGMT1, 3, 0, |
e8c83dbf | 212 | &ak4642_lout_mixer_controls[0], |
39c26180 TK |
213 | ARRAY_SIZE(ak4642_lout_mixer_controls), |
214 | ak4642_lout_event, | |
215 | SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | | |
216 | SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD), | |
e8c83dbf | 217 | |
24747dae | 218 | /* DAC */ |
379c4b05 | 219 | SND_SOC_DAPM_DAC("DAC", NULL, PW_MGMT1, 2, 0), |
24747dae KM |
220 | }; |
221 | ||
222 | static const struct snd_soc_dapm_route ak4642_intercon[] = { | |
223 | ||
224 | /* Outputs */ | |
e555cf36 KM |
225 | {"HPOUTL", NULL, "HPL Out"}, |
226 | {"HPOUTR", NULL, "HPR Out"}, | |
e8c83dbf | 227 | {"LINEOUT", NULL, "LINEOUT Mixer"}, |
24747dae | 228 | |
e555cf36 KM |
229 | {"HPL Out", NULL, "Headphone Enable"}, |
230 | {"HPR Out", NULL, "Headphone Enable"}, | |
231 | ||
232 | {"Headphone Enable", "Switch", "DACH"}, | |
233 | ||
234 | {"DACH", NULL, "DAC"}, | |
235 | ||
e8c83dbf | 236 | {"LINEOUT Mixer", "DACL", "DAC"}, |
379c4b05 KM |
237 | |
238 | { "DAC", NULL, "Playback" }, | |
24747dae | 239 | }; |
a300de3c | 240 | |
a3a83d9a KM |
241 | /* |
242 | * ak4642 register cache | |
243 | */ | |
4574cd94 MB |
244 | static const struct reg_default ak4642_reg[] = { |
245 | { 0, 0x00 }, { 1, 0x00 }, { 2, 0x01 }, { 3, 0x00 }, | |
246 | { 4, 0x02 }, { 5, 0x00 }, { 6, 0x00 }, { 7, 0x00 }, | |
247 | { 8, 0xe1 }, { 9, 0xe1 }, { 10, 0x18 }, { 11, 0x00 }, | |
248 | { 12, 0xe1 }, { 13, 0x18 }, { 14, 0x11 }, { 15, 0x08 }, | |
249 | { 16, 0x00 }, { 17, 0x00 }, { 18, 0x00 }, { 19, 0x00 }, | |
250 | { 20, 0x00 }, { 21, 0x00 }, { 22, 0x00 }, { 23, 0x00 }, | |
251 | { 24, 0x00 }, { 25, 0x00 }, { 26, 0x00 }, { 27, 0x00 }, | |
252 | { 28, 0x00 }, { 29, 0x00 }, { 30, 0x00 }, { 31, 0x00 }, | |
253 | { 32, 0x00 }, { 33, 0x00 }, { 34, 0x00 }, { 35, 0x00 }, | |
254 | { 36, 0x00 }, | |
a3a83d9a KM |
255 | }; |
256 | ||
4574cd94 MB |
257 | static const struct reg_default ak4648_reg[] = { |
258 | { 0, 0x00 }, { 1, 0x00 }, { 2, 0x01 }, { 3, 0x00 }, | |
259 | { 4, 0x02 }, { 5, 0x00 }, { 6, 0x00 }, { 7, 0x00 }, | |
260 | { 8, 0xe1 }, { 9, 0xe1 }, { 10, 0x18 }, { 11, 0x00 }, | |
261 | { 12, 0xe1 }, { 13, 0x18 }, { 14, 0x11 }, { 15, 0xb8 }, | |
262 | { 16, 0x00 }, { 17, 0x00 }, { 18, 0x00 }, { 19, 0x00 }, | |
263 | { 20, 0x00 }, { 21, 0x00 }, { 22, 0x00 }, { 23, 0x00 }, | |
264 | { 24, 0x00 }, { 25, 0x00 }, { 26, 0x00 }, { 27, 0x00 }, | |
265 | { 28, 0x00 }, { 29, 0x00 }, { 30, 0x00 }, { 31, 0x00 }, | |
266 | { 32, 0x00 }, { 33, 0x00 }, { 34, 0x00 }, { 35, 0x00 }, | |
267 | { 36, 0x00 }, { 37, 0x88 }, { 38, 0x88 }, { 39, 0x08 }, | |
a9317e8b KM |
268 | }; |
269 | ||
a3a83d9a KM |
270 | static int ak4642_dai_startup(struct snd_pcm_substream *substream, |
271 | struct snd_soc_dai *dai) | |
272 | { | |
273 | int is_play = substream->stream == SNDRV_PCM_STREAM_PLAYBACK; | |
274 | struct snd_soc_codec *codec = dai->codec; | |
275 | ||
276 | if (is_play) { | |
277 | /* | |
278 | * start headphone output | |
279 | * | |
280 | * PLL, Master Mode | |
281 | * Audio I/F Format :MSB justified (ADC & DAC) | |
a3a83d9a KM |
282 | * Bass Boost Level : Middle |
283 | * | |
284 | * This operation came from example code of | |
285 | * "ASAHI KASEI AK4642" (japanese) manual p97. | |
a3a83d9a | 286 | */ |
b91470bb AL |
287 | snd_soc_write(codec, L_IVC, 0x91); /* volume */ |
288 | snd_soc_write(codec, R_IVC, 0x91); /* volume */ | |
a3a83d9a KM |
289 | } else { |
290 | /* | |
291 | * start stereo input | |
292 | * | |
293 | * PLL Master Mode | |
294 | * Audio I/F Format:MSB justified (ADC & DAC) | |
a3a83d9a KM |
295 | * Pre MIC AMP:+20dB |
296 | * MIC Power On | |
297 | * ALC setting:Refer to Table 35 | |
298 | * ALC bit=“1” | |
299 | * | |
300 | * This operation came from example code of | |
301 | * "ASAHI KASEI AK4642" (japanese) manual p94. | |
302 | */ | |
7b5bfb82 | 303 | snd_soc_update_bits(codec, SG_SL1, PMMP | MGAIN0, PMMP | MGAIN0); |
b91470bb AL |
304 | snd_soc_write(codec, TIMER, ZTM(0x3) | WTM(0x3)); |
305 | snd_soc_write(codec, ALC_CTL1, ALC | LMTH0); | |
ed2dd7da | 306 | snd_soc_update_bits(codec, PW_MGMT1, PMADL, PMADL); |
a3471239 | 307 | snd_soc_update_bits(codec, PW_MGMT3, PMADR, PMADR); |
a3a83d9a KM |
308 | } |
309 | ||
310 | return 0; | |
311 | } | |
312 | ||
313 | static void ak4642_dai_shutdown(struct snd_pcm_substream *substream, | |
314 | struct snd_soc_dai *dai) | |
315 | { | |
316 | int is_play = substream->stream == SNDRV_PCM_STREAM_PLAYBACK; | |
317 | struct snd_soc_codec *codec = dai->codec; | |
318 | ||
319 | if (is_play) { | |
a3a83d9a KM |
320 | } else { |
321 | /* stop stereo input */ | |
a3471239 KM |
322 | snd_soc_update_bits(codec, PW_MGMT1, PMADL, 0); |
323 | snd_soc_update_bits(codec, PW_MGMT3, PMADR, 0); | |
324 | snd_soc_update_bits(codec, ALC_CTL1, ALC, 0); | |
a3a83d9a KM |
325 | } |
326 | } | |
327 | ||
328 | static int ak4642_dai_set_sysclk(struct snd_soc_dai *codec_dai, | |
329 | int clk_id, unsigned int freq, int dir) | |
330 | { | |
331 | struct snd_soc_codec *codec = codec_dai->codec; | |
5cd15e29 | 332 | struct ak4642_priv *priv = snd_soc_codec_get_drvdata(codec); |
4b6316b4 | 333 | u8 pll; |
5cd15e29 | 334 | int extended_freq = 0; |
4b6316b4 KM |
335 | |
336 | switch (freq) { | |
337 | case 11289600: | |
338 | pll = PLL2; | |
339 | break; | |
340 | case 12288000: | |
341 | pll = PLL2 | PLL0; | |
342 | break; | |
343 | case 12000000: | |
344 | pll = PLL2 | PLL1; | |
345 | break; | |
346 | case 24000000: | |
347 | pll = PLL2 | PLL1 | PLL0; | |
348 | break; | |
349 | case 13500000: | |
350 | pll = PLL3 | PLL2; | |
351 | break; | |
352 | case 27000000: | |
353 | pll = PLL3 | PLL2 | PLL0; | |
354 | break; | |
5cd15e29 SH |
355 | case 19200000: |
356 | pll = PLL3; | |
357 | extended_freq = 1; | |
358 | break; | |
359 | case 13000000: | |
360 | pll = PLL3 | PLL2 | PLL1; | |
361 | extended_freq = 1; | |
362 | break; | |
363 | case 26000000: | |
364 | pll = PLL3 | PLL2 | PLL1 | PLL0; | |
365 | extended_freq = 1; | |
366 | break; | |
4b6316b4 KM |
367 | default: |
368 | return -EINVAL; | |
369 | } | |
5cd15e29 SH |
370 | |
371 | if (extended_freq && !priv->drvdata->extended_frequencies) | |
372 | return -EINVAL; | |
373 | ||
4b6316b4 | 374 | snd_soc_update_bits(codec, MD_CTL1, PLL_MASK, pll); |
a3a83d9a | 375 | |
a3a83d9a KM |
376 | return 0; |
377 | } | |
378 | ||
0643ce8f KM |
379 | static int ak4642_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) |
380 | { | |
381 | struct snd_soc_codec *codec = dai->codec; | |
382 | u8 data; | |
383 | u8 bcko; | |
384 | ||
385 | data = MCKO | PMPLL; /* use MCKO */ | |
386 | bcko = 0; | |
387 | ||
388 | /* set master/slave audio interface */ | |
389 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
390 | case SND_SOC_DAIFMT_CBM_CFM: | |
391 | data |= MS; | |
392 | bcko = BCKO_64; | |
393 | break; | |
394 | case SND_SOC_DAIFMT_CBS_CFS: | |
395 | break; | |
396 | default: | |
397 | return -EINVAL; | |
398 | } | |
bd7fdbca | 399 | snd_soc_update_bits(codec, PW_MGMT2, MS | MCKO | PMPLL, data); |
0643ce8f KM |
400 | snd_soc_update_bits(codec, MD_CTL1, BCKO_MASK, bcko); |
401 | ||
cb9c130a KM |
402 | /* format type */ |
403 | data = 0; | |
404 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
405 | case SND_SOC_DAIFMT_LEFT_J: | |
406 | data = LEFT_J; | |
407 | break; | |
408 | case SND_SOC_DAIFMT_I2S: | |
409 | data = I2S; | |
410 | break; | |
411 | /* FIXME | |
412 | * Please add RIGHT_J / DSP support here | |
413 | */ | |
414 | default: | |
415 | return -EINVAL; | |
cb9c130a KM |
416 | } |
417 | snd_soc_update_bits(codec, MD_CTL1, DIF_MASK, data); | |
418 | ||
0643ce8f KM |
419 | return 0; |
420 | } | |
421 | ||
1ad747ca KM |
422 | static int ak4642_dai_hw_params(struct snd_pcm_substream *substream, |
423 | struct snd_pcm_hw_params *params, | |
424 | struct snd_soc_dai *dai) | |
425 | { | |
426 | struct snd_soc_codec *codec = dai->codec; | |
427 | u8 rate; | |
428 | ||
429 | switch (params_rate(params)) { | |
430 | case 7350: | |
431 | rate = FS2; | |
432 | break; | |
433 | case 8000: | |
434 | rate = 0; | |
435 | break; | |
436 | case 11025: | |
437 | rate = FS2 | FS0; | |
438 | break; | |
439 | case 12000: | |
440 | rate = FS0; | |
441 | break; | |
442 | case 14700: | |
443 | rate = FS2 | FS1; | |
444 | break; | |
445 | case 16000: | |
446 | rate = FS1; | |
447 | break; | |
448 | case 22050: | |
449 | rate = FS2 | FS1 | FS0; | |
450 | break; | |
451 | case 24000: | |
452 | rate = FS1 | FS0; | |
453 | break; | |
454 | case 29400: | |
455 | rate = FS3 | FS2 | FS1; | |
456 | break; | |
457 | case 32000: | |
458 | rate = FS3 | FS1; | |
459 | break; | |
460 | case 44100: | |
461 | rate = FS3 | FS2 | FS1 | FS0; | |
462 | break; | |
463 | case 48000: | |
464 | rate = FS3 | FS1 | FS0; | |
465 | break; | |
466 | default: | |
467 | return -EINVAL; | |
1ad747ca KM |
468 | } |
469 | snd_soc_update_bits(codec, MD_CTL2, FS_MASK, rate); | |
a3a83d9a | 470 | |
a3a83d9a KM |
471 | return 0; |
472 | } | |
473 | ||
ed2dd7da KM |
474 | static int ak4642_set_bias_level(struct snd_soc_codec *codec, |
475 | enum snd_soc_bias_level level) | |
476 | { | |
477 | switch (level) { | |
478 | case SND_SOC_BIAS_OFF: | |
479 | snd_soc_write(codec, PW_MGMT1, 0x00); | |
480 | break; | |
481 | default: | |
482 | snd_soc_update_bits(codec, PW_MGMT1, PMVCM, PMVCM); | |
483 | break; | |
484 | } | |
ed2dd7da KM |
485 | |
486 | return 0; | |
487 | } | |
488 | ||
85e7652d | 489 | static const struct snd_soc_dai_ops ak4642_dai_ops = { |
a3a83d9a KM |
490 | .startup = ak4642_dai_startup, |
491 | .shutdown = ak4642_dai_shutdown, | |
492 | .set_sysclk = ak4642_dai_set_sysclk, | |
0643ce8f | 493 | .set_fmt = ak4642_dai_set_fmt, |
1ad747ca | 494 | .hw_params = ak4642_dai_hw_params, |
a3a83d9a KM |
495 | }; |
496 | ||
f0fba2ad LG |
497 | static struct snd_soc_dai_driver ak4642_dai = { |
498 | .name = "ak4642-hifi", | |
a3a83d9a KM |
499 | .playback = { |
500 | .stream_name = "Playback", | |
c01673e0 | 501 | .channels_min = 2, |
a3a83d9a KM |
502 | .channels_max = 2, |
503 | .rates = SNDRV_PCM_RATE_8000_48000, | |
504 | .formats = SNDRV_PCM_FMTBIT_S16_LE }, | |
505 | .capture = { | |
506 | .stream_name = "Capture", | |
c01673e0 | 507 | .channels_min = 2, |
a3a83d9a KM |
508 | .channels_max = 2, |
509 | .rates = SNDRV_PCM_RATE_8000_48000, | |
510 | .formats = SNDRV_PCM_FMTBIT_S16_LE }, | |
511 | .ops = &ak4642_dai_ops, | |
1ad747ca | 512 | .symmetric_rates = 1, |
a3a83d9a | 513 | }; |
a3a83d9a | 514 | |
f0fba2ad | 515 | static int ak4642_resume(struct snd_soc_codec *codec) |
a3a83d9a | 516 | { |
4574cd94 MB |
517 | struct regmap *regmap = dev_get_regmap(codec->dev, NULL); |
518 | ||
519 | regcache_mark_dirty(regmap); | |
520 | regcache_sync(regmap); | |
a3a83d9a KM |
521 | return 0; |
522 | } | |
523 | ||
f0fba2ad | 524 | static struct snd_soc_codec_driver soc_codec_dev_ak4642 = { |
0ce75aa4 | 525 | .resume = ak4642_resume, |
ed2dd7da | 526 | .set_bias_level = ak4642_set_bias_level, |
a8ca52b7 MB |
527 | .controls = ak4642_snd_controls, |
528 | .num_controls = ARRAY_SIZE(ak4642_snd_controls), | |
a9317e8b KM |
529 | .dapm_widgets = ak4642_dapm_widgets, |
530 | .num_dapm_widgets = ARRAY_SIZE(ak4642_dapm_widgets), | |
531 | .dapm_routes = ak4642_intercon, | |
532 | .num_dapm_routes = ARRAY_SIZE(ak4642_intercon), | |
533 | }; | |
534 | ||
4574cd94 MB |
535 | static const struct regmap_config ak4642_regmap = { |
536 | .reg_bits = 8, | |
537 | .val_bits = 8, | |
538 | .max_register = ARRAY_SIZE(ak4642_reg) + 1, | |
539 | .reg_defaults = ak4642_reg, | |
540 | .num_reg_defaults = ARRAY_SIZE(ak4642_reg), | |
541 | }; | |
542 | ||
543 | static const struct regmap_config ak4648_regmap = { | |
544 | .reg_bits = 8, | |
545 | .val_bits = 8, | |
546 | .max_register = ARRAY_SIZE(ak4648_reg) + 1, | |
547 | .reg_defaults = ak4648_reg, | |
548 | .num_reg_defaults = ARRAY_SIZE(ak4648_reg), | |
f0fba2ad LG |
549 | }; |
550 | ||
d815c703 SH |
551 | static const struct ak4642_drvdata ak4642_drvdata = { |
552 | .regmap_config = &ak4642_regmap, | |
553 | }; | |
554 | ||
555 | static const struct ak4642_drvdata ak4643_drvdata = { | |
556 | .regmap_config = &ak4642_regmap, | |
557 | }; | |
558 | ||
559 | static const struct ak4642_drvdata ak4648_drvdata = { | |
560 | .regmap_config = &ak4648_regmap, | |
5cd15e29 | 561 | .extended_frequencies = 1, |
d815c703 SH |
562 | }; |
563 | ||
27204ca8 | 564 | static const struct of_device_id ak4642_of_match[]; |
7a79e94e BP |
565 | static int ak4642_i2c_probe(struct i2c_client *i2c, |
566 | const struct i2c_device_id *id) | |
a3a83d9a | 567 | { |
bbf1453e | 568 | struct device_node *np = i2c->dev.of_node; |
d815c703 | 569 | const struct ak4642_drvdata *drvdata = NULL; |
4574cd94 | 570 | struct regmap *regmap; |
d815c703 | 571 | struct ak4642_priv *priv; |
bbf1453e | 572 | |
bbf1453e KM |
573 | if (np) { |
574 | const struct of_device_id *of_id; | |
575 | ||
576 | of_id = of_match_device(ak4642_of_match, &i2c->dev); | |
577 | if (of_id) | |
d815c703 | 578 | drvdata = of_id->data; |
bbf1453e | 579 | } else { |
d815c703 | 580 | drvdata = (const struct ak4642_drvdata *)id->driver_data; |
bbf1453e KM |
581 | } |
582 | ||
d815c703 | 583 | if (!drvdata) { |
4574cd94 | 584 | dev_err(&i2c->dev, "Unknown device type\n"); |
bbf1453e KM |
585 | return -EINVAL; |
586 | } | |
587 | ||
d815c703 SH |
588 | priv = devm_kzalloc(&i2c->dev, sizeof(*priv), GFP_KERNEL); |
589 | if (!priv) | |
590 | return -ENOMEM; | |
591 | ||
592 | priv->drvdata = drvdata; | |
593 | ||
594 | i2c_set_clientdata(i2c, priv); | |
595 | ||
596 | regmap = devm_regmap_init_i2c(i2c, drvdata->regmap_config); | |
4574cd94 MB |
597 | if (IS_ERR(regmap)) |
598 | return PTR_ERR(regmap); | |
599 | ||
2f391251 | 600 | return snd_soc_register_codec(&i2c->dev, |
4574cd94 | 601 | &soc_codec_dev_ak4642, &ak4642_dai, 1); |
a3a83d9a KM |
602 | } |
603 | ||
7a79e94e | 604 | static int ak4642_i2c_remove(struct i2c_client *client) |
a3a83d9a | 605 | { |
f0fba2ad | 606 | snd_soc_unregister_codec(&client->dev); |
a3a83d9a KM |
607 | return 0; |
608 | } | |
609 | ||
27204ca8 | 610 | static const struct of_device_id ak4642_of_match[] = { |
d815c703 SH |
611 | { .compatible = "asahi-kasei,ak4642", .data = &ak4642_drvdata}, |
612 | { .compatible = "asahi-kasei,ak4643", .data = &ak4643_drvdata}, | |
613 | { .compatible = "asahi-kasei,ak4648", .data = &ak4648_drvdata}, | |
bbf1453e KM |
614 | {}, |
615 | }; | |
616 | MODULE_DEVICE_TABLE(of, ak4642_of_match); | |
617 | ||
a3a83d9a | 618 | static const struct i2c_device_id ak4642_i2c_id[] = { |
d815c703 SH |
619 | { "ak4642", (kernel_ulong_t)&ak4642_drvdata }, |
620 | { "ak4643", (kernel_ulong_t)&ak4643_drvdata }, | |
621 | { "ak4648", (kernel_ulong_t)&ak4648_drvdata }, | |
a3a83d9a KM |
622 | { } |
623 | }; | |
624 | MODULE_DEVICE_TABLE(i2c, ak4642_i2c_id); | |
625 | ||
626 | static struct i2c_driver ak4642_i2c_driver = { | |
627 | .driver = { | |
f0fba2ad | 628 | .name = "ak4642-codec", |
a3a83d9a | 629 | .owner = THIS_MODULE, |
bbf1453e | 630 | .of_match_table = ak4642_of_match, |
a3a83d9a | 631 | }, |
0ce75aa4 | 632 | .probe = ak4642_i2c_probe, |
7a79e94e | 633 | .remove = ak4642_i2c_remove, |
0ce75aa4 | 634 | .id_table = ak4642_i2c_id, |
a3a83d9a | 635 | }; |
a3a83d9a | 636 | |
2f54d2a1 | 637 | module_i2c_driver(ak4642_i2c_driver); |
a3a83d9a KM |
638 | |
639 | MODULE_DESCRIPTION("Soc AK4642 driver"); | |
640 | MODULE_AUTHOR("Kuninori Morimoto <morimoto.kuninori@renesas.com>"); | |
641 | MODULE_LICENSE("GPL"); |