Commit | Line | Data |
---|---|---|
72ed5a8c | 1 | /* |
2 | * cs42l51.c | |
3 | * | |
4 | * ASoC Driver for Cirrus Logic CS42L51 codecs | |
5 | * | |
6 | * Copyright (c) 2010 Arnaud Patard <apatard@mandriva.com> | |
7 | * | |
8 | * Based on cs4270.c - Copyright (c) Freescale Semiconductor | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License version 2 as | |
12 | * published by the Free Software Foundation. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * For now: | |
20 | * - Only I2C is support. Not SPI | |
21 | * - master mode *NOT* supported | |
22 | */ | |
23 | ||
24 | #include <linux/module.h> | |
72ed5a8c | 25 | #include <linux/slab.h> |
26 | #include <sound/core.h> | |
27 | #include <sound/soc.h> | |
72ed5a8c | 28 | #include <sound/tlv.h> |
29 | #include <sound/initval.h> | |
30 | #include <sound/pcm_params.h> | |
31 | #include <sound/pcm.h> | |
da071489 | 32 | #include <linux/regmap.h> |
72ed5a8c | 33 | |
34 | #include "cs42l51.h" | |
35 | ||
36 | enum master_slave_mode { | |
37 | MODE_SLAVE, | |
38 | MODE_SLAVE_AUTO, | |
39 | MODE_MASTER, | |
40 | }; | |
41 | ||
42 | struct cs42l51_private { | |
43 | unsigned int mclk; | |
44 | unsigned int audio_mode; /* The mode (I2S or left-justified) */ | |
45 | enum master_slave_mode func; | |
72ed5a8c | 46 | }; |
47 | ||
72ed5a8c | 48 | #define CS42L51_FORMATS ( \ |
49 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE | \ | |
50 | SNDRV_PCM_FMTBIT_S18_3LE | SNDRV_PCM_FMTBIT_S18_3BE | \ | |
51 | SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S20_3BE | \ | |
52 | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S24_BE) | |
53 | ||
72ed5a8c | 54 | static int cs42l51_get_chan_mix(struct snd_kcontrol *kcontrol, |
55 | struct snd_ctl_elem_value *ucontrol) | |
56 | { | |
57 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
58 | unsigned long value = snd_soc_read(codec, CS42L51_PCM_MIXER)&3; | |
59 | ||
60 | switch (value) { | |
61 | default: | |
62 | case 0: | |
63 | ucontrol->value.integer.value[0] = 0; | |
64 | break; | |
65 | /* same value : (L+R)/2 and (R+L)/2 */ | |
66 | case 1: | |
67 | case 2: | |
68 | ucontrol->value.integer.value[0] = 1; | |
69 | break; | |
70 | case 3: | |
71 | ucontrol->value.integer.value[0] = 2; | |
72 | break; | |
73 | } | |
74 | ||
75 | return 0; | |
76 | } | |
77 | ||
78 | #define CHAN_MIX_NORMAL 0x00 | |
79 | #define CHAN_MIX_BOTH 0x55 | |
80 | #define CHAN_MIX_SWAP 0xFF | |
81 | ||
82 | static int cs42l51_set_chan_mix(struct snd_kcontrol *kcontrol, | |
83 | struct snd_ctl_elem_value *ucontrol) | |
84 | { | |
85 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
86 | unsigned char val; | |
87 | ||
88 | switch (ucontrol->value.integer.value[0]) { | |
89 | default: | |
90 | case 0: | |
91 | val = CHAN_MIX_NORMAL; | |
92 | break; | |
93 | case 1: | |
94 | val = CHAN_MIX_BOTH; | |
95 | break; | |
96 | case 2: | |
97 | val = CHAN_MIX_SWAP; | |
98 | break; | |
99 | } | |
100 | ||
101 | snd_soc_write(codec, CS42L51_PCM_MIXER, val); | |
102 | ||
103 | return 1; | |
104 | } | |
105 | ||
106 | static const DECLARE_TLV_DB_SCALE(adc_pcm_tlv, -5150, 50, 0); | |
107 | static const DECLARE_TLV_DB_SCALE(tone_tlv, -1050, 150, 0); | |
7272e051 BA |
108 | |
109 | static const DECLARE_TLV_DB_SCALE(aout_tlv, -10200, 50, 0); | |
72ed5a8c | 110 | |
111 | static const DECLARE_TLV_DB_SCALE(boost_tlv, 1600, 1600, 0); | |
112 | static const char *chan_mix[] = { | |
113 | "L R", | |
114 | "L+R", | |
115 | "R L", | |
116 | }; | |
117 | ||
6109ab2b | 118 | static SOC_ENUM_SINGLE_EXT_DECL(cs42l51_chan_mix, chan_mix); |
72ed5a8c | 119 | |
120 | static const struct snd_kcontrol_new cs42l51_snd_controls[] = { | |
121 | SOC_DOUBLE_R_SX_TLV("PCM Playback Volume", | |
122 | CS42L51_PCMA_VOL, CS42L51_PCMB_VOL, | |
7272e051 | 123 | 0, 0x19, 0x7F, adc_pcm_tlv), |
72ed5a8c | 124 | SOC_DOUBLE_R("PCM Playback Switch", |
125 | CS42L51_PCMA_VOL, CS42L51_PCMB_VOL, 7, 1, 1), | |
126 | SOC_DOUBLE_R_SX_TLV("Analog Playback Volume", | |
127 | CS42L51_AOUTA_VOL, CS42L51_AOUTB_VOL, | |
1d99f243 | 128 | 0, 0x34, 0xE4, aout_tlv), |
72ed5a8c | 129 | SOC_DOUBLE_R_SX_TLV("ADC Mixer Volume", |
130 | CS42L51_ADCA_VOL, CS42L51_ADCB_VOL, | |
7272e051 | 131 | 0, 0x19, 0x7F, adc_pcm_tlv), |
72ed5a8c | 132 | SOC_DOUBLE_R("ADC Mixer Switch", |
133 | CS42L51_ADCA_VOL, CS42L51_ADCB_VOL, 7, 1, 1), | |
134 | SOC_SINGLE("Playback Deemphasis Switch", CS42L51_DAC_CTL, 3, 1, 0), | |
135 | SOC_SINGLE("Auto-Mute Switch", CS42L51_DAC_CTL, 2, 1, 0), | |
136 | SOC_SINGLE("Soft Ramp Switch", CS42L51_DAC_CTL, 1, 1, 0), | |
137 | SOC_SINGLE("Zero Cross Switch", CS42L51_DAC_CTL, 0, 0, 0), | |
138 | SOC_DOUBLE_TLV("Mic Boost Volume", | |
139 | CS42L51_MIC_CTL, 0, 1, 1, 0, boost_tlv), | |
140 | SOC_SINGLE_TLV("Bass Volume", CS42L51_TONE_CTL, 0, 0xf, 1, tone_tlv), | |
141 | SOC_SINGLE_TLV("Treble Volume", CS42L51_TONE_CTL, 4, 0xf, 1, tone_tlv), | |
142 | SOC_ENUM_EXT("PCM channel mixer", | |
143 | cs42l51_chan_mix, | |
144 | cs42l51_get_chan_mix, cs42l51_set_chan_mix), | |
145 | }; | |
146 | ||
147 | /* | |
148 | * to power down, one must: | |
149 | * 1.) Enable the PDN bit | |
150 | * 2.) enable power-down for the select channels | |
151 | * 3.) disable the PDN bit. | |
152 | */ | |
153 | static int cs42l51_pdn_event(struct snd_soc_dapm_widget *w, | |
154 | struct snd_kcontrol *kcontrol, int event) | |
155 | { | |
72ed5a8c | 156 | switch (event) { |
157 | case SND_SOC_DAPM_PRE_PMD: | |
e94de1e8 AL |
158 | snd_soc_update_bits(w->codec, CS42L51_POWER_CTL1, |
159 | CS42L51_POWER_CTL1_PDN, | |
160 | CS42L51_POWER_CTL1_PDN); | |
72ed5a8c | 161 | break; |
162 | default: | |
163 | case SND_SOC_DAPM_POST_PMD: | |
e94de1e8 AL |
164 | snd_soc_update_bits(w->codec, CS42L51_POWER_CTL1, |
165 | CS42L51_POWER_CTL1_PDN, 0); | |
72ed5a8c | 166 | break; |
167 | } | |
72ed5a8c | 168 | |
169 | return 0; | |
170 | } | |
171 | ||
172 | static const char *cs42l51_dac_names[] = {"Direct PCM", | |
173 | "DSP PCM", "ADC"}; | |
6109ab2b TI |
174 | static SOC_ENUM_SINGLE_DECL(cs42l51_dac_mux_enum, |
175 | CS42L51_DAC_CTL, 6, cs42l51_dac_names); | |
72ed5a8c | 176 | static const struct snd_kcontrol_new cs42l51_dac_mux_controls = |
177 | SOC_DAPM_ENUM("Route", cs42l51_dac_mux_enum); | |
178 | ||
179 | static const char *cs42l51_adcl_names[] = {"AIN1 Left", "AIN2 Left", | |
180 | "MIC Left", "MIC+preamp Left"}; | |
6109ab2b TI |
181 | static SOC_ENUM_SINGLE_DECL(cs42l51_adcl_mux_enum, |
182 | CS42L51_ADC_INPUT, 4, cs42l51_adcl_names); | |
72ed5a8c | 183 | static const struct snd_kcontrol_new cs42l51_adcl_mux_controls = |
184 | SOC_DAPM_ENUM("Route", cs42l51_adcl_mux_enum); | |
185 | ||
186 | static const char *cs42l51_adcr_names[] = {"AIN1 Right", "AIN2 Right", | |
187 | "MIC Right", "MIC+preamp Right"}; | |
6109ab2b TI |
188 | static SOC_ENUM_SINGLE_DECL(cs42l51_adcr_mux_enum, |
189 | CS42L51_ADC_INPUT, 6, cs42l51_adcr_names); | |
72ed5a8c | 190 | static const struct snd_kcontrol_new cs42l51_adcr_mux_controls = |
191 | SOC_DAPM_ENUM("Route", cs42l51_adcr_mux_enum); | |
192 | ||
193 | static const struct snd_soc_dapm_widget cs42l51_dapm_widgets[] = { | |
194 | SND_SOC_DAPM_MICBIAS("Mic Bias", CS42L51_MIC_POWER_CTL, 1, 1), | |
195 | SND_SOC_DAPM_PGA_E("Left PGA", CS42L51_POWER_CTL1, 3, 1, NULL, 0, | |
196 | cs42l51_pdn_event, SND_SOC_DAPM_PRE_POST_PMD), | |
197 | SND_SOC_DAPM_PGA_E("Right PGA", CS42L51_POWER_CTL1, 4, 1, NULL, 0, | |
198 | cs42l51_pdn_event, SND_SOC_DAPM_PRE_POST_PMD), | |
199 | SND_SOC_DAPM_ADC_E("Left ADC", "Left HiFi Capture", | |
200 | CS42L51_POWER_CTL1, 1, 1, | |
201 | cs42l51_pdn_event, SND_SOC_DAPM_PRE_POST_PMD), | |
202 | SND_SOC_DAPM_ADC_E("Right ADC", "Right HiFi Capture", | |
203 | CS42L51_POWER_CTL1, 2, 1, | |
204 | cs42l51_pdn_event, SND_SOC_DAPM_PRE_POST_PMD), | |
205 | SND_SOC_DAPM_DAC_E("Left DAC", "Left HiFi Playback", | |
206 | CS42L51_POWER_CTL1, 5, 1, | |
207 | cs42l51_pdn_event, SND_SOC_DAPM_PRE_POST_PMD), | |
208 | SND_SOC_DAPM_DAC_E("Right DAC", "Right HiFi Playback", | |
209 | CS42L51_POWER_CTL1, 6, 1, | |
210 | cs42l51_pdn_event, SND_SOC_DAPM_PRE_POST_PMD), | |
211 | ||
212 | /* analog/mic */ | |
213 | SND_SOC_DAPM_INPUT("AIN1L"), | |
214 | SND_SOC_DAPM_INPUT("AIN1R"), | |
215 | SND_SOC_DAPM_INPUT("AIN2L"), | |
216 | SND_SOC_DAPM_INPUT("AIN2R"), | |
217 | SND_SOC_DAPM_INPUT("MICL"), | |
218 | SND_SOC_DAPM_INPUT("MICR"), | |
219 | ||
220 | SND_SOC_DAPM_MIXER("Mic Preamp Left", | |
221 | CS42L51_MIC_POWER_CTL, 2, 1, NULL, 0), | |
222 | SND_SOC_DAPM_MIXER("Mic Preamp Right", | |
223 | CS42L51_MIC_POWER_CTL, 3, 1, NULL, 0), | |
224 | ||
225 | /* HP */ | |
226 | SND_SOC_DAPM_OUTPUT("HPL"), | |
227 | SND_SOC_DAPM_OUTPUT("HPR"), | |
228 | ||
229 | /* mux */ | |
230 | SND_SOC_DAPM_MUX("DAC Mux", SND_SOC_NOPM, 0, 0, | |
231 | &cs42l51_dac_mux_controls), | |
232 | SND_SOC_DAPM_MUX("PGA-ADC Mux Left", SND_SOC_NOPM, 0, 0, | |
233 | &cs42l51_adcl_mux_controls), | |
234 | SND_SOC_DAPM_MUX("PGA-ADC Mux Right", SND_SOC_NOPM, 0, 0, | |
235 | &cs42l51_adcr_mux_controls), | |
236 | }; | |
237 | ||
238 | static const struct snd_soc_dapm_route cs42l51_routes[] = { | |
239 | {"HPL", NULL, "Left DAC"}, | |
240 | {"HPR", NULL, "Right DAC"}, | |
241 | ||
242 | {"Left ADC", NULL, "Left PGA"}, | |
243 | {"Right ADC", NULL, "Right PGA"}, | |
244 | ||
245 | {"Mic Preamp Left", NULL, "MICL"}, | |
246 | {"Mic Preamp Right", NULL, "MICR"}, | |
247 | ||
248 | {"PGA-ADC Mux Left", "AIN1 Left", "AIN1L" }, | |
249 | {"PGA-ADC Mux Left", "AIN2 Left", "AIN2L" }, | |
250 | {"PGA-ADC Mux Left", "MIC Left", "MICL" }, | |
251 | {"PGA-ADC Mux Left", "MIC+preamp Left", "Mic Preamp Left" }, | |
252 | {"PGA-ADC Mux Right", "AIN1 Right", "AIN1R" }, | |
253 | {"PGA-ADC Mux Right", "AIN2 Right", "AIN2R" }, | |
254 | {"PGA-ADC Mux Right", "MIC Right", "MICR" }, | |
255 | {"PGA-ADC Mux Right", "MIC+preamp Right", "Mic Preamp Right" }, | |
256 | ||
257 | {"Left PGA", NULL, "PGA-ADC Mux Left"}, | |
258 | {"Right PGA", NULL, "PGA-ADC Mux Right"}, | |
259 | }; | |
260 | ||
261 | static int cs42l51_set_dai_fmt(struct snd_soc_dai *codec_dai, | |
262 | unsigned int format) | |
263 | { | |
264 | struct snd_soc_codec *codec = codec_dai->codec; | |
265 | struct cs42l51_private *cs42l51 = snd_soc_codec_get_drvdata(codec); | |
72ed5a8c | 266 | |
267 | switch (format & SND_SOC_DAIFMT_FORMAT_MASK) { | |
268 | case SND_SOC_DAIFMT_I2S: | |
269 | case SND_SOC_DAIFMT_LEFT_J: | |
270 | case SND_SOC_DAIFMT_RIGHT_J: | |
271 | cs42l51->audio_mode = format & SND_SOC_DAIFMT_FORMAT_MASK; | |
272 | break; | |
273 | default: | |
274 | dev_err(codec->dev, "invalid DAI format\n"); | |
ac60155f | 275 | return -EINVAL; |
72ed5a8c | 276 | } |
277 | ||
278 | switch (format & SND_SOC_DAIFMT_MASTER_MASK) { | |
279 | case SND_SOC_DAIFMT_CBM_CFM: | |
280 | cs42l51->func = MODE_MASTER; | |
281 | break; | |
282 | case SND_SOC_DAIFMT_CBS_CFS: | |
283 | cs42l51->func = MODE_SLAVE_AUTO; | |
284 | break; | |
285 | default: | |
ac60155f AL |
286 | dev_err(codec->dev, "Unknown master/slave configuration\n"); |
287 | return -EINVAL; | |
72ed5a8c | 288 | } |
289 | ||
ac60155f | 290 | return 0; |
72ed5a8c | 291 | } |
292 | ||
293 | struct cs42l51_ratios { | |
294 | unsigned int ratio; | |
295 | unsigned char speed_mode; | |
296 | unsigned char mclk; | |
297 | }; | |
298 | ||
299 | static struct cs42l51_ratios slave_ratios[] = { | |
300 | { 512, CS42L51_QSM_MODE, 0 }, { 768, CS42L51_QSM_MODE, 0 }, | |
301 | { 1024, CS42L51_QSM_MODE, 0 }, { 1536, CS42L51_QSM_MODE, 0 }, | |
302 | { 2048, CS42L51_QSM_MODE, 0 }, { 3072, CS42L51_QSM_MODE, 0 }, | |
303 | { 256, CS42L51_HSM_MODE, 0 }, { 384, CS42L51_HSM_MODE, 0 }, | |
304 | { 512, CS42L51_HSM_MODE, 0 }, { 768, CS42L51_HSM_MODE, 0 }, | |
305 | { 1024, CS42L51_HSM_MODE, 0 }, { 1536, CS42L51_HSM_MODE, 0 }, | |
306 | { 128, CS42L51_SSM_MODE, 0 }, { 192, CS42L51_SSM_MODE, 0 }, | |
307 | { 256, CS42L51_SSM_MODE, 0 }, { 384, CS42L51_SSM_MODE, 0 }, | |
308 | { 512, CS42L51_SSM_MODE, 0 }, { 768, CS42L51_SSM_MODE, 0 }, | |
309 | { 128, CS42L51_DSM_MODE, 0 }, { 192, CS42L51_DSM_MODE, 0 }, | |
310 | { 256, CS42L51_DSM_MODE, 0 }, { 384, CS42L51_DSM_MODE, 0 }, | |
311 | }; | |
312 | ||
313 | static struct cs42l51_ratios slave_auto_ratios[] = { | |
314 | { 1024, CS42L51_QSM_MODE, 0 }, { 1536, CS42L51_QSM_MODE, 0 }, | |
315 | { 2048, CS42L51_QSM_MODE, 1 }, { 3072, CS42L51_QSM_MODE, 1 }, | |
316 | { 512, CS42L51_HSM_MODE, 0 }, { 768, CS42L51_HSM_MODE, 0 }, | |
317 | { 1024, CS42L51_HSM_MODE, 1 }, { 1536, CS42L51_HSM_MODE, 1 }, | |
318 | { 256, CS42L51_SSM_MODE, 0 }, { 384, CS42L51_SSM_MODE, 0 }, | |
319 | { 512, CS42L51_SSM_MODE, 1 }, { 768, CS42L51_SSM_MODE, 1 }, | |
320 | { 128, CS42L51_DSM_MODE, 0 }, { 192, CS42L51_DSM_MODE, 0 }, | |
321 | { 256, CS42L51_DSM_MODE, 1 }, { 384, CS42L51_DSM_MODE, 1 }, | |
322 | }; | |
323 | ||
324 | static int cs42l51_set_dai_sysclk(struct snd_soc_dai *codec_dai, | |
325 | int clk_id, unsigned int freq, int dir) | |
326 | { | |
327 | struct snd_soc_codec *codec = codec_dai->codec; | |
328 | struct cs42l51_private *cs42l51 = snd_soc_codec_get_drvdata(codec); | |
72ed5a8c | 329 | |
330 | cs42l51->mclk = freq; | |
72ed5a8c | 331 | return 0; |
332 | } | |
333 | ||
334 | static int cs42l51_hw_params(struct snd_pcm_substream *substream, | |
335 | struct snd_pcm_hw_params *params, | |
336 | struct snd_soc_dai *dai) | |
337 | { | |
e6968a17 | 338 | struct snd_soc_codec *codec = dai->codec; |
72ed5a8c | 339 | struct cs42l51_private *cs42l51 = snd_soc_codec_get_drvdata(codec); |
340 | int ret; | |
341 | unsigned int i; | |
342 | unsigned int rate; | |
343 | unsigned int ratio; | |
344 | struct cs42l51_ratios *ratios = NULL; | |
345 | int nr_ratios = 0; | |
346 | int intf_ctl, power_ctl, fmt; | |
347 | ||
348 | switch (cs42l51->func) { | |
349 | case MODE_MASTER: | |
350 | return -EINVAL; | |
351 | case MODE_SLAVE: | |
352 | ratios = slave_ratios; | |
353 | nr_ratios = ARRAY_SIZE(slave_ratios); | |
354 | break; | |
355 | case MODE_SLAVE_AUTO: | |
356 | ratios = slave_auto_ratios; | |
357 | nr_ratios = ARRAY_SIZE(slave_auto_ratios); | |
358 | break; | |
359 | } | |
360 | ||
361 | /* Figure out which MCLK/LRCK ratio to use */ | |
362 | rate = params_rate(params); /* Sampling rate, in Hz */ | |
363 | ratio = cs42l51->mclk / rate; /* MCLK/LRCK ratio */ | |
364 | for (i = 0; i < nr_ratios; i++) { | |
365 | if (ratios[i].ratio == ratio) | |
366 | break; | |
367 | } | |
368 | ||
369 | if (i == nr_ratios) { | |
370 | /* We did not find a matching ratio */ | |
371 | dev_err(codec->dev, "could not find matching ratio\n"); | |
372 | return -EINVAL; | |
373 | } | |
374 | ||
375 | intf_ctl = snd_soc_read(codec, CS42L51_INTF_CTL); | |
376 | power_ctl = snd_soc_read(codec, CS42L51_MIC_POWER_CTL); | |
377 | ||
378 | intf_ctl &= ~(CS42L51_INTF_CTL_MASTER | CS42L51_INTF_CTL_ADC_I2S | |
379 | | CS42L51_INTF_CTL_DAC_FORMAT(7)); | |
380 | power_ctl &= ~(CS42L51_MIC_POWER_CTL_SPEED(3) | |
381 | | CS42L51_MIC_POWER_CTL_MCLK_DIV2); | |
382 | ||
383 | switch (cs42l51->func) { | |
384 | case MODE_MASTER: | |
385 | intf_ctl |= CS42L51_INTF_CTL_MASTER; | |
386 | power_ctl |= CS42L51_MIC_POWER_CTL_SPEED(ratios[i].speed_mode); | |
387 | break; | |
388 | case MODE_SLAVE: | |
389 | power_ctl |= CS42L51_MIC_POWER_CTL_SPEED(ratios[i].speed_mode); | |
390 | break; | |
391 | case MODE_SLAVE_AUTO: | |
392 | power_ctl |= CS42L51_MIC_POWER_CTL_AUTO; | |
393 | break; | |
394 | } | |
395 | ||
396 | switch (cs42l51->audio_mode) { | |
397 | case SND_SOC_DAIFMT_I2S: | |
398 | intf_ctl |= CS42L51_INTF_CTL_ADC_I2S; | |
399 | intf_ctl |= CS42L51_INTF_CTL_DAC_FORMAT(CS42L51_DAC_DIF_I2S); | |
400 | break; | |
401 | case SND_SOC_DAIFMT_LEFT_J: | |
402 | intf_ctl |= CS42L51_INTF_CTL_DAC_FORMAT(CS42L51_DAC_DIF_LJ24); | |
403 | break; | |
404 | case SND_SOC_DAIFMT_RIGHT_J: | |
1b6b0dfa MB |
405 | switch (params_width(params)) { |
406 | case 16: | |
72ed5a8c | 407 | fmt = CS42L51_DAC_DIF_RJ16; |
408 | break; | |
1b6b0dfa | 409 | case 18: |
72ed5a8c | 410 | fmt = CS42L51_DAC_DIF_RJ18; |
411 | break; | |
1b6b0dfa | 412 | case 20: |
72ed5a8c | 413 | fmt = CS42L51_DAC_DIF_RJ20; |
414 | break; | |
1b6b0dfa | 415 | case 24: |
72ed5a8c | 416 | fmt = CS42L51_DAC_DIF_RJ24; |
417 | break; | |
418 | default: | |
419 | dev_err(codec->dev, "unknown format\n"); | |
420 | return -EINVAL; | |
421 | } | |
422 | intf_ctl |= CS42L51_INTF_CTL_DAC_FORMAT(fmt); | |
423 | break; | |
424 | default: | |
425 | dev_err(codec->dev, "unknown format\n"); | |
426 | return -EINVAL; | |
427 | } | |
428 | ||
429 | if (ratios[i].mclk) | |
430 | power_ctl |= CS42L51_MIC_POWER_CTL_MCLK_DIV2; | |
431 | ||
432 | ret = snd_soc_write(codec, CS42L51_INTF_CTL, intf_ctl); | |
433 | if (ret < 0) | |
434 | return ret; | |
435 | ||
436 | ret = snd_soc_write(codec, CS42L51_MIC_POWER_CTL, power_ctl); | |
437 | if (ret < 0) | |
438 | return ret; | |
439 | ||
440 | return 0; | |
441 | } | |
442 | ||
443 | static int cs42l51_dai_mute(struct snd_soc_dai *dai, int mute) | |
444 | { | |
445 | struct snd_soc_codec *codec = dai->codec; | |
446 | int reg; | |
447 | int mask = CS42L51_DAC_OUT_CTL_DACA_MUTE|CS42L51_DAC_OUT_CTL_DACB_MUTE; | |
448 | ||
449 | reg = snd_soc_read(codec, CS42L51_DAC_OUT_CTL); | |
450 | ||
451 | if (mute) | |
452 | reg |= mask; | |
453 | else | |
454 | reg &= ~mask; | |
455 | ||
456 | return snd_soc_write(codec, CS42L51_DAC_OUT_CTL, reg); | |
457 | } | |
458 | ||
85e7652d | 459 | static const struct snd_soc_dai_ops cs42l51_dai_ops = { |
72ed5a8c | 460 | .hw_params = cs42l51_hw_params, |
461 | .set_sysclk = cs42l51_set_dai_sysclk, | |
462 | .set_fmt = cs42l51_set_dai_fmt, | |
463 | .digital_mute = cs42l51_dai_mute, | |
464 | }; | |
465 | ||
f0fba2ad LG |
466 | static struct snd_soc_dai_driver cs42l51_dai = { |
467 | .name = "cs42l51-hifi", | |
72ed5a8c | 468 | .playback = { |
469 | .stream_name = "Playback", | |
470 | .channels_min = 1, | |
471 | .channels_max = 2, | |
472 | .rates = SNDRV_PCM_RATE_8000_96000, | |
473 | .formats = CS42L51_FORMATS, | |
474 | }, | |
475 | .capture = { | |
476 | .stream_name = "Capture", | |
477 | .channels_min = 1, | |
478 | .channels_max = 2, | |
479 | .rates = SNDRV_PCM_RATE_8000_96000, | |
480 | .formats = CS42L51_FORMATS, | |
481 | }, | |
482 | .ops = &cs42l51_dai_ops, | |
483 | }; | |
72ed5a8c | 484 | |
a1253ef6 | 485 | static int cs42l51_codec_probe(struct snd_soc_codec *codec) |
72ed5a8c | 486 | { |
f0fba2ad | 487 | int ret, reg; |
72ed5a8c | 488 | |
f0fba2ad LG |
489 | /* |
490 | * DAC configuration | |
491 | * - Use signal processor | |
492 | * - auto mute | |
493 | * - vol changes immediate | |
494 | * - no de-emphasize | |
495 | */ | |
496 | reg = CS42L51_DAC_CTL_DATA_SEL(1) | |
497 | | CS42L51_DAC_CTL_AMUTE | CS42L51_DAC_CTL_DACSZ(0); | |
498 | ret = snd_soc_write(codec, CS42L51_DAC_CTL, reg); | |
499 | if (ret < 0) | |
500 | return ret; | |
501 | ||
72ed5a8c | 502 | return 0; |
503 | } | |
504 | ||
f0fba2ad | 505 | static struct snd_soc_codec_driver soc_codec_device_cs42l51 = { |
a1253ef6 | 506 | .probe = cs42l51_codec_probe, |
3f7cec04 AL |
507 | |
508 | .controls = cs42l51_snd_controls, | |
509 | .num_controls = ARRAY_SIZE(cs42l51_snd_controls), | |
510 | .dapm_widgets = cs42l51_dapm_widgets, | |
511 | .num_dapm_widgets = ARRAY_SIZE(cs42l51_dapm_widgets), | |
512 | .dapm_routes = cs42l51_routes, | |
513 | .num_dapm_routes = ARRAY_SIZE(cs42l51_routes), | |
f0fba2ad | 514 | }; |
72ed5a8c | 515 | |
a1253ef6 | 516 | const struct regmap_config cs42l51_regmap = { |
da071489 MB |
517 | .max_register = CS42L51_CHARGE_FREQ, |
518 | .cache_type = REGCACHE_RBTREE, | |
519 | }; | |
a1253ef6 | 520 | EXPORT_SYMBOL_GPL(cs42l51_regmap); |
da071489 | 521 | |
a1253ef6 | 522 | int cs42l51_probe(struct device *dev, struct regmap *regmap) |
72ed5a8c | 523 | { |
f0fba2ad | 524 | struct cs42l51_private *cs42l51; |
da071489 | 525 | unsigned int val; |
f0fba2ad | 526 | int ret; |
72ed5a8c | 527 | |
a1253ef6 BA |
528 | if (IS_ERR(regmap)) |
529 | return PTR_ERR(regmap); | |
530 | ||
531 | cs42l51 = devm_kzalloc(dev, sizeof(struct cs42l51_private), | |
532 | GFP_KERNEL); | |
533 | if (!cs42l51) | |
534 | return -ENOMEM; | |
535 | ||
536 | dev_set_drvdata(dev, cs42l51); | |
da071489 | 537 | |
f0fba2ad | 538 | /* Verify that we have a CS42L51 */ |
da071489 | 539 | ret = regmap_read(regmap, CS42L51_CHIP_REV_ID, &val); |
f0fba2ad | 540 | if (ret < 0) { |
a1253ef6 | 541 | dev_err(dev, "failed to read I2C\n"); |
f0fba2ad LG |
542 | goto error; |
543 | } | |
544 | ||
da071489 MB |
545 | if ((val != CS42L51_MK_CHIP_REV(CS42L51_CHIP_ID, CS42L51_CHIP_REV_A)) && |
546 | (val != CS42L51_MK_CHIP_REV(CS42L51_CHIP_ID, CS42L51_CHIP_REV_B))) { | |
a1253ef6 | 547 | dev_err(dev, "Invalid chip id: %x\n", val); |
f0fba2ad LG |
548 | ret = -ENODEV; |
549 | goto error; | |
550 | } | |
a1253ef6 | 551 | dev_info(dev, "Cirrus Logic CS42L51, Revision: %02X\n", val & 0xFF); |
f0fba2ad | 552 | |
a1253ef6 | 553 | ret = snd_soc_register_codec(dev, |
f0fba2ad | 554 | &soc_codec_device_cs42l51, &cs42l51_dai, 1); |
f0fba2ad LG |
555 | error: |
556 | return ret; | |
557 | } | |
a1253ef6 | 558 | EXPORT_SYMBOL_GPL(cs42l51_probe); |
f0fba2ad | 559 | |
dfd72a68 TP |
560 | static const struct of_device_id cs42l51_of_match[] = { |
561 | { .compatible = "cirrus,cs42l51", }, | |
562 | { } | |
563 | }; | |
564 | MODULE_DEVICE_TABLE(of, cs42l51_of_match); | |
69737897 | 565 | MODULE_AUTHOR("Arnaud Patard <arnaud.patard@rtp-net.org>"); |
72ed5a8c | 566 | MODULE_DESCRIPTION("Cirrus Logic CS42L51 ALSA SoC Codec Driver"); |
567 | MODULE_LICENSE("GPL"); |