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authorPaul Handrigan <Paul.Handrigan@cirrus.com>2014-06-23 18:29:53 -0400
committerMark Brown <broonie@linaro.org>2014-06-24 11:16:13 -0400
commitfb6f806967f6fe36fa40334e5551a5892d48f36f (patch)
treec97b30d89ae873c58c16453f4fc844a3eaa8f7fe
parent2b65df255c7e1f028f7b4f4d18fd41eecafad4bd (diff)
ASoC: Add support for the CS4265 CODEC
This patch adds support for the Cirrus Logic CS4265 Stereo I2C CODEC. Signed-off-by: Paul Handrigan <paul.handrigan@cirrus.com> Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat
-rw-r--r--sound/soc/codecs/Kconfig6
-rw-r--r--sound/soc/codecs/Makefile2
-rw-r--r--sound/soc/codecs/cs4265.c682
-rw-r--r--sound/soc/codecs/cs4265.h64
4 files changed, 754 insertions, 0 deletions
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index cbfa1e18f651..3960a57124fa 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -47,6 +47,7 @@ config SND_SOC_ALL_CODECS
47 select SND_SOC_CS42L52 if I2C && INPUT 47 select SND_SOC_CS42L52 if I2C && INPUT
48 select SND_SOC_CS42L56 if I2C && INPUT 48 select SND_SOC_CS42L56 if I2C && INPUT
49 select SND_SOC_CS42L73 if I2C 49 select SND_SOC_CS42L73 if I2C
50 select SND_SOC_CS4265 if I2C
50 select SND_SOC_CS4270 if I2C 51 select SND_SOC_CS4270 if I2C
51 select SND_SOC_CS4271 if SND_SOC_I2C_AND_SPI 52 select SND_SOC_CS4271 if SND_SOC_I2C_AND_SPI
52 select SND_SOC_CS42XX8_I2C if I2C 53 select SND_SOC_CS42XX8_I2C if I2C
@@ -338,6 +339,11 @@ config SND_SOC_CS42L73
338 tristate "Cirrus Logic CS42L73 CODEC" 339 tristate "Cirrus Logic CS42L73 CODEC"
339 depends on I2C 340 depends on I2C
340 341
342config SND_SOC_CS4265
343 tristate "Cirrus Logic CS4265 CODEC"
344 depends on I2C
345 select REGMAP_I2C
346
341# Cirrus Logic CS4270 Codec 347# Cirrus Logic CS4270 Codec
342config SND_SOC_CS4270 348config SND_SOC_CS4270
343 tristate "Cirrus Logic CS4270 CODEC" 349 tristate "Cirrus Logic CS4270 CODEC"
diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile
index be3377b8d73f..2e62bad23ddc 100644
--- a/sound/soc/codecs/Makefile
+++ b/sound/soc/codecs/Makefile
@@ -37,6 +37,7 @@ snd-soc-cs42l51-i2c-objs := cs42l51-i2c.o
37snd-soc-cs42l52-objs := cs42l52.o 37snd-soc-cs42l52-objs := cs42l52.o
38snd-soc-cs42l56-objs := cs42l56.o 38snd-soc-cs42l56-objs := cs42l56.o
39snd-soc-cs42l73-objs := cs42l73.o 39snd-soc-cs42l73-objs := cs42l73.o
40snd-soc-cs4265-objs := cs4265.o
40snd-soc-cs4270-objs := cs4270.o 41snd-soc-cs4270-objs := cs4270.o
41snd-soc-cs4271-objs := cs4271.o 42snd-soc-cs4271-objs := cs4271.o
42snd-soc-cs42xx8-objs := cs42xx8.o 43snd-soc-cs42xx8-objs := cs42xx8.o
@@ -202,6 +203,7 @@ obj-$(CONFIG_SND_SOC_CS42L51_I2C) += snd-soc-cs42l51-i2c.o
202obj-$(CONFIG_SND_SOC_CS42L52) += snd-soc-cs42l52.o 203obj-$(CONFIG_SND_SOC_CS42L52) += snd-soc-cs42l52.o
203obj-$(CONFIG_SND_SOC_CS42L56) += snd-soc-cs42l56.o 204obj-$(CONFIG_SND_SOC_CS42L56) += snd-soc-cs42l56.o
204obj-$(CONFIG_SND_SOC_CS42L73) += snd-soc-cs42l73.o 205obj-$(CONFIG_SND_SOC_CS42L73) += snd-soc-cs42l73.o
206obj-$(CONFIG_SND_SOC_CS4265) += snd-soc-cs4265.o
205obj-$(CONFIG_SND_SOC_CS4270) += snd-soc-cs4270.o 207obj-$(CONFIG_SND_SOC_CS4270) += snd-soc-cs4270.o
206obj-$(CONFIG_SND_SOC_CS4271) += snd-soc-cs4271.o 208obj-$(CONFIG_SND_SOC_CS4271) += snd-soc-cs4271.o
207obj-$(CONFIG_SND_SOC_CS42XX8) += snd-soc-cs42xx8.o 209obj-$(CONFIG_SND_SOC_CS42XX8) += snd-soc-cs42xx8.o
diff --git a/sound/soc/codecs/cs4265.c b/sound/soc/codecs/cs4265.c
new file mode 100644
index 000000000000..c9c04d2987c2
--- /dev/null
+++ b/sound/soc/codecs/cs4265.c
@@ -0,0 +1,682 @@
1/*
2 * cs4265.c -- CS4265 ALSA SoC audio driver
3 *
4 * Copyright 2014 Cirrus Logic, Inc.
5 *
6 * Author: Paul Handrigan <paul.handrigan@cirrus.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
14#include <linux/module.h>
15#include <linux/moduleparam.h>
16#include <linux/kernel.h>
17#include <linux/gpio/consumer.h>
18#include <linux/init.h>
19#include <linux/delay.h>
20#include <linux/i2c.h>
21#include <linux/input.h>
22#include <linux/regmap.h>
23#include <linux/slab.h>
24#include <linux/platform_device.h>
25#include <sound/core.h>
26#include <sound/pcm.h>
27#include <sound/pcm_params.h>
28#include <sound/soc.h>
29#include <sound/soc-dapm.h>
30#include <sound/initval.h>
31#include <sound/tlv.h>
32#include "cs4265.h"
33
34struct cs4265_private {
35 struct device *dev;
36 struct regmap *regmap;
37 struct gpio_desc *reset_gpio;
38 u8 format;
39 u32 sysclk;
40};
41
42static const struct reg_default cs4265_reg_defaults[] = {
43 { CS4265_PWRCTL, 0x0F },
44 { CS4265_DAC_CTL, 0x08 },
45 { CS4265_ADC_CTL, 0x00 },
46 { CS4265_MCLK_FREQ, 0x00 },
47 { CS4265_SIG_SEL, 0x40 },
48 { CS4265_CHB_PGA_CTL, 0x00 },
49 { CS4265_CHA_PGA_CTL, 0x00 },
50 { CS4265_ADC_CTL2, 0x19 },
51 { CS4265_DAC_CHA_VOL, 0x00 },
52 { CS4265_DAC_CHB_VOL, 0x00 },
53 { CS4265_DAC_CTL2, 0xC0 },
54 { CS4265_SPDIF_CTL1, 0x00 },
55 { CS4265_SPDIF_CTL2, 0x00 },
56 { CS4265_INT_MASK, 0x00 },
57 { CS4265_STATUS_MODE_MSB, 0x00 },
58 { CS4265_STATUS_MODE_LSB, 0x00 },
59};
60
61static bool cs4265_readable_register(struct device *dev, unsigned int reg)
62{
63 switch (reg) {
64 case CS4265_PWRCTL:
65 case CS4265_DAC_CTL:
66 case CS4265_ADC_CTL:
67 case CS4265_MCLK_FREQ:
68 case CS4265_SIG_SEL:
69 case CS4265_CHB_PGA_CTL:
70 case CS4265_CHA_PGA_CTL:
71 case CS4265_ADC_CTL2:
72 case CS4265_DAC_CHA_VOL:
73 case CS4265_DAC_CHB_VOL:
74 case CS4265_DAC_CTL2:
75 case CS4265_SPDIF_CTL1:
76 case CS4265_SPDIF_CTL2:
77 case CS4265_INT_MASK:
78 case CS4265_STATUS_MODE_MSB:
79 case CS4265_STATUS_MODE_LSB:
80 return true;
81 default:
82 return false;
83 }
84}
85
86static bool cs4265_volatile_register(struct device *dev, unsigned int reg)
87{
88 switch (reg) {
89 case CS4265_INT_STATUS:
90 return 1;
91 default:
92 return 0;
93 }
94}
95
96static DECLARE_TLV_DB_SCALE(pga_tlv, -1200, 50, 0);
97
98static DECLARE_TLV_DB_SCALE(dac_tlv, -12750, 50, 0);
99
100static const char * const digital_input_mux_text[] = {
101 "SDIN1", "SDIN2"
102};
103
104static SOC_ENUM_SINGLE_DECL(digital_input_mux_enum, CS4265_SIG_SEL, 7,
105 digital_input_mux_text);
106
107static const struct snd_kcontrol_new digital_input_mux =
108 SOC_DAPM_ENUM("Digital Input Mux", digital_input_mux_enum);
109
110static const char * const mic_linein_text[] = {
111 "MIC", "LINEIN"
112};
113
114static SOC_ENUM_SINGLE_DECL(mic_linein_enum, CS4265_ADC_CTL2, 0,
115 mic_linein_text);
116
117static const char * const cam_mode_text[] = {
118 "One Byte", "Two Byte"
119};
120
121static SOC_ENUM_SINGLE_DECL(cam_mode_enum, CS4265_SPDIF_CTL1, 5,
122 cam_mode_text);
123
124static const char * const cam_mono_stereo_text[] = {
125 "Stereo", "Mono"
126};
127
128static SOC_ENUM_SINGLE_DECL(spdif_mono_stereo_enum, CS4265_SPDIF_CTL2, 2,
129 cam_mono_stereo_text);
130
131static const char * const mono_select_text[] = {
132 "Channel A", "Channel B"
133};
134
135static SOC_ENUM_SINGLE_DECL(spdif_mono_select_enum, CS4265_SPDIF_CTL2, 0,
136 mono_select_text);
137
138static const struct snd_kcontrol_new mic_linein_mux =
139 SOC_DAPM_ENUM("ADC Input Capture Mux", mic_linein_enum);
140
141static const struct snd_kcontrol_new loopback_ctl =
142 SOC_DAPM_SINGLE("Switch", CS4265_SIG_SEL, 1, 1, 0);
143
144static const struct snd_kcontrol_new spdif_switch =
145 SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 0, 0);
146
147static const struct snd_kcontrol_new dac_switch =
148 SOC_DAPM_SINGLE("Switch", CS4265_PWRCTL, 1, 1, 0);
149
150static const struct snd_kcontrol_new cs4265_snd_controls[] = {
151
152 SOC_DOUBLE_R_SX_TLV("PGA Volume", CS4265_CHA_PGA_CTL,
153 CS4265_CHB_PGA_CTL, 0, 0x28, 0x30, pga_tlv),
154 SOC_DOUBLE_R_TLV("DAC Volume", CS4265_DAC_CHA_VOL,
155 CS4265_DAC_CHB_VOL, 0, 0xFF, 1, dac_tlv),
156 SOC_SINGLE("De-emp 44.1kHz Switch", CS4265_DAC_CTL, 1,
157 1, 0),
158 SOC_SINGLE("DAC INV Switch", CS4265_DAC_CTL2, 5,
159 1, 0),
160 SOC_SINGLE("DAC Zero Cross Switch", CS4265_DAC_CTL2, 6,
161 1, 0),
162 SOC_SINGLE("DAC Soft Ramp Switch", CS4265_DAC_CTL2, 7,
163 1, 0),
164 SOC_SINGLE("ADC HPF Switch", CS4265_ADC_CTL, 1,
165 1, 0),
166 SOC_SINGLE("ADC Zero Cross Switch", CS4265_ADC_CTL2, 3,
167 1, 1),
168 SOC_SINGLE("ADC Soft Ramp Switch", CS4265_ADC_CTL2, 7,
169 1, 0),
170 SOC_SINGLE("E to F Buffer Disable Switch", CS4265_SPDIF_CTL1,
171 6, 1, 0),
172 SOC_ENUM("C Data Access", cam_mode_enum),
173 SOC_SINGLE("Validity Bit Control Switch", CS4265_SPDIF_CTL2,
174 3, 1, 0),
175 SOC_ENUM("SPDIF Mono/Stereo", spdif_mono_stereo_enum),
176 SOC_SINGLE("MMTLR Data Switch", 0,
177 1, 1, 0),
178 SOC_ENUM("Mono Channel Select", spdif_mono_select_enum),
179 SND_SOC_BYTES("C Data Buffer", CS4265_C_DATA_BUFF, 24),
180};
181
182static const struct snd_soc_dapm_widget cs4265_dapm_widgets[] = {
183
184 SND_SOC_DAPM_INPUT("LINEINL"),
185 SND_SOC_DAPM_INPUT("LINEINR"),
186 SND_SOC_DAPM_INPUT("MICL"),
187 SND_SOC_DAPM_INPUT("MICR"),
188
189 SND_SOC_DAPM_AIF_OUT("DOUT", NULL, 0,
190 SND_SOC_NOPM, 0, 0),
191 SND_SOC_DAPM_AIF_OUT("SPDIFOUT", NULL, 0,
192 SND_SOC_NOPM, 0, 0),
193
194 SND_SOC_DAPM_MUX("ADC Mux", SND_SOC_NOPM, 0, 0, &mic_linein_mux),
195
196 SND_SOC_DAPM_ADC("ADC", NULL, CS4265_PWRCTL, 2, 1),
197 SND_SOC_DAPM_PGA("Pre-amp MIC", CS4265_PWRCTL, 3,
198 1, NULL, 0),
199
200 SND_SOC_DAPM_MUX("Input Mux", SND_SOC_NOPM,
201 0, 0, &digital_input_mux),
202
203 SND_SOC_DAPM_MIXER("SDIN1 Input Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
204 SND_SOC_DAPM_MIXER("SDIN2 Input Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
205 SND_SOC_DAPM_MIXER("SPDIF Transmitter", SND_SOC_NOPM, 0, 0, NULL, 0),
206
207 SND_SOC_DAPM_SWITCH("Loopback", SND_SOC_NOPM, 0, 0,
208 &loopback_ctl),
209 SND_SOC_DAPM_SWITCH("SPDIF", SND_SOC_NOPM, 0, 0,
210 &spdif_switch),
211 SND_SOC_DAPM_SWITCH("DAC", CS4265_PWRCTL, 1, 1,
212 &dac_switch),
213
214 SND_SOC_DAPM_AIF_IN("DIN1", NULL, 0,
215 SND_SOC_NOPM, 0, 0),
216 SND_SOC_DAPM_AIF_IN("DIN2", NULL, 0,
217 SND_SOC_NOPM, 0, 0),
218 SND_SOC_DAPM_AIF_IN("TXIN", NULL, 0,
219 CS4265_SPDIF_CTL2, 5, 1),
220
221 SND_SOC_DAPM_OUTPUT("LINEOUTL"),
222 SND_SOC_DAPM_OUTPUT("LINEOUTR"),
223
224};
225
226static const struct snd_soc_dapm_route cs4265_audio_map[] = {
227
228 {"DIN1", NULL, "DAI1 Playback"},
229 {"DIN2", NULL, "DAI2 Playback"},
230 {"SDIN1 Input Mixer", NULL, "DIN1"},
231 {"SDIN2 Input Mixer", NULL, "DIN2"},
232 {"Input Mux", "SDIN1", "SDIN1 Input Mixer"},
233 {"Input Mux", "SDIN2", "SDIN2 Input Mixer"},
234 {"DAC", "Switch", "Input Mux"},
235 {"SPDIF", "Switch", "Input Mux"},
236 {"LINEOUTL", NULL, "DAC"},
237 {"LINEOUTR", NULL, "DAC"},
238 {"SPDIFOUT", NULL, "SPDIF"},
239
240 {"ADC Mux", "LINEIN", "LINEINL"},
241 {"ADC Mux", "LINEIN", "LINEINR"},
242 {"ADC Mux", "MIC", "MICL"},
243 {"ADC Mux", "MIC", "MICR"},
244 {"ADC", NULL, "ADC Mux"},
245 {"DOUT", NULL, "ADC"},
246 {"DAI1 Capture", NULL, "DOUT"},
247 {"DAI2 Capture", NULL, "DOUT"},
248
249 /* Loopback */
250 {"Loopback", "Switch", "ADC"},
251 {"DAC", NULL, "Loopback"},
252};
253
254struct cs4265_clk_para {
255 u32 mclk;
256 u32 rate;
257 u8 fm_mode; /* values 1, 2, or 4 */
258 u8 mclkdiv;
259};
260
261static const struct cs4265_clk_para clk_map_table[] = {
262 /*32k*/
263 {8192000, 32000, 0, 0},
264 {12288000, 32000, 0, 1},
265 {16384000, 32000, 0, 2},
266 {24576000, 32000, 0, 3},
267 {32768000, 32000, 0, 4},
268
269 /*44.1k*/
270 {11289600, 44100, 0, 0},
271 {16934400, 44100, 0, 1},
272 {22579200, 44100, 0, 2},
273 {33868000, 44100, 0, 3},
274 {45158400, 44100, 0, 4},
275
276 /*48k*/
277 {12288000, 48000, 0, 0},
278 {18432000, 48000, 0, 1},
279 {24576000, 48000, 0, 2},
280 {36864000, 48000, 0, 3},
281 {49152000, 48000, 0, 4},
282
283 /*64k*/
284 {8192000, 64000, 1, 0},
285 {1228800, 64000, 1, 1},
286 {1693440, 64000, 1, 2},
287 {2457600, 64000, 1, 3},
288 {3276800, 64000, 1, 4},
289
290 /* 88.2k */
291 {11289600, 88200, 1, 0},
292 {16934400, 88200, 1, 1},
293 {22579200, 88200, 1, 2},
294 {33868000, 88200, 1, 3},
295 {45158400, 88200, 1, 4},
296
297 /* 96k */
298 {12288000, 96000, 1, 0},
299 {18432000, 96000, 1, 1},
300 {24576000, 96000, 1, 2},
301 {36864000, 96000, 1, 3},
302 {49152000, 96000, 1, 4},
303
304 /* 128k */
305 {8192000, 128000, 2, 0},
306 {12288000, 128000, 2, 1},
307 {16934400, 128000, 2, 2},
308 {24576000, 128000, 2, 3},
309 {32768000, 128000, 2, 4},
310
311 /* 176.4k */
312 {11289600, 176400, 2, 0},
313 {16934400, 176400, 2, 1},
314 {22579200, 176400, 2, 2},
315 {33868000, 176400, 2, 3},
316 {49152000, 176400, 2, 4},
317
318 /* 192k */
319 {12288000, 192000, 2, 0},
320 {18432000, 192000, 2, 1},
321 {24576000, 192000, 2, 2},
322 {36864000, 192000, 2, 3},
323 {49152000, 192000, 2, 4},
324};
325
326static int cs4265_get_clk_index(int mclk, int rate)
327{
328 int i;
329
330 for (i = 0; i < ARRAY_SIZE(clk_map_table); i++) {
331 if (clk_map_table[i].rate == rate &&
332 clk_map_table[i].mclk == mclk)
333 return i;
334 }
335 return -EINVAL;
336}
337
338static int cs4265_set_sysclk(struct snd_soc_dai *codec_dai, int clk_id,
339 unsigned int freq, int dir)
340{
341 struct snd_soc_codec *codec = codec_dai->codec;
342 struct cs4265_private *cs4265 = snd_soc_codec_get_drvdata(codec);
343 int i;
344
345 if (clk_id != 0) {
346 dev_err(codec->dev, "Invalid clk_id %d\n", clk_id);
347 return -EINVAL;
348 }
349 for (i = 0; i < ARRAY_SIZE(clk_map_table); i++) {
350 if (clk_map_table[i].mclk == freq) {
351 cs4265->sysclk = freq;
352 return 0;
353 }
354 }
355 cs4265->sysclk = 0;
356 dev_err(codec->dev, "Invalid freq parameter %d\n", freq);
357 return -EINVAL;
358}
359
360static int cs4265_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
361{
362 struct snd_soc_codec *codec = codec_dai->codec;
363 struct cs4265_private *cs4265 = snd_soc_codec_get_drvdata(codec);
364 u8 iface = 0;
365
366 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
367 case SND_SOC_DAIFMT_CBM_CFM:
368 snd_soc_update_bits(codec, CS4265_ADC_CTL,
369 CS4265_ADC_MASTER,
370 CS4265_ADC_MASTER);
371 break;
372 case SND_SOC_DAIFMT_CBS_CFS:
373 snd_soc_update_bits(codec, CS4265_ADC_CTL,
374 CS4265_ADC_MASTER,
375 0);
376 break;
377 default:
378 return -EINVAL;
379 }
380
381 /* interface format */
382 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
383 case SND_SOC_DAIFMT_I2S:
384 iface |= SND_SOC_DAIFMT_I2S;
385 break;
386 case SND_SOC_DAIFMT_RIGHT_J:
387 iface |= SND_SOC_DAIFMT_RIGHT_J;
388 break;
389 case SND_SOC_DAIFMT_LEFT_J:
390 iface |= SND_SOC_DAIFMT_LEFT_J;
391 break;
392 default:
393 return -EINVAL;
394 }
395
396 cs4265->format = iface;
397 return 0;
398}
399
400static int cs4265_digital_mute(struct snd_soc_dai *dai, int mute)
401{
402 struct snd_soc_codec *codec = dai->codec;
403
404 if (mute) {
405 snd_soc_update_bits(codec, CS4265_DAC_CTL,
406 CS4265_DAC_CTL_MUTE,
407 CS4265_DAC_CTL_MUTE);
408 snd_soc_update_bits(codec, CS4265_SPDIF_CTL2,
409 CS4265_SPDIF_CTL2_MUTE,
410 CS4265_SPDIF_CTL2_MUTE);
411 } else {
412 snd_soc_update_bits(codec, CS4265_DAC_CTL,
413 CS4265_DAC_CTL_MUTE,
414 0);
415 snd_soc_update_bits(codec, CS4265_SPDIF_CTL2,
416 CS4265_SPDIF_CTL2_MUTE,
417 0);
418 }
419 return 0;
420}
421
422static int cs4265_pcm_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 struct cs4265_private *cs4265 = snd_soc_codec_get_drvdata(codec);
428 int index;
429
430 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE &&
431 ((cs4265->format & SND_SOC_DAIFMT_FORMAT_MASK)
432 == SND_SOC_DAIFMT_RIGHT_J))
433 return -EINVAL;
434
435 index = cs4265_get_clk_index(cs4265->sysclk, params_rate(params));
436 if (index >= 0) {
437 snd_soc_update_bits(codec, CS4265_ADC_CTL,
438 CS4265_ADC_FM, clk_map_table[index].fm_mode);
439 snd_soc_update_bits(codec, CS4265_MCLK_FREQ,
440 CS4265_MCLK_FREQ_MASK,
441 clk_map_table[index].mclkdiv);
442
443 } else {
444 dev_err(codec->dev, "can't get correct mclk\n");
445 return -EINVAL;
446 }
447
448 switch (cs4265->format & SND_SOC_DAIFMT_FORMAT_MASK) {
449 case SND_SOC_DAIFMT_I2S:
450 snd_soc_update_bits(codec, CS4265_DAC_CTL,
451 CS4265_DAC_CTL_DIF, (1 << 4));
452 snd_soc_update_bits(codec, CS4265_ADC_CTL,
453 CS4265_ADC_DIF, (1 << 4));
454 snd_soc_update_bits(codec, CS4265_SPDIF_CTL2,
455 CS4265_SPDIF_CTL2_DIF, (1 << 6));
456 break;
457 case SND_SOC_DAIFMT_RIGHT_J:
458 if (params_format(params) & SNDRV_PCM_FORMAT_S16_LE) {
459 snd_soc_update_bits(codec, CS4265_DAC_CTL,
460 CS4265_DAC_CTL_DIF, (1 << 5));
461 snd_soc_update_bits(codec, CS4265_ADC_CTL,
462 CS4265_SPDIF_CTL2_DIF, (1 << 7));
463 } else {
464 snd_soc_update_bits(codec, CS4265_DAC_CTL,
465 CS4265_DAC_CTL_DIF, (3 << 5));
466 snd_soc_update_bits(codec, CS4265_ADC_CTL,
467 CS4265_SPDIF_CTL2_DIF, (1 << 7));
468 }
469 break;
470 case SND_SOC_DAIFMT_LEFT_J:
471 snd_soc_update_bits(codec, CS4265_DAC_CTL,
472 CS4265_DAC_CTL_DIF, 0);
473 snd_soc_update_bits(codec, CS4265_ADC_CTL,
474 CS4265_ADC_DIF, 0);
475 snd_soc_update_bits(codec, CS4265_ADC_CTL,
476 CS4265_SPDIF_CTL2_DIF, (1 << 6));
477
478 break;
479 default:
480 return -EINVAL;
481 }
482 return 0;
483}
484
485static int cs4265_set_bias_level(struct snd_soc_codec *codec,
486 enum snd_soc_bias_level level)
487{
488 switch (level) {
489 case SND_SOC_BIAS_ON:
490 break;
491 case SND_SOC_BIAS_PREPARE:
492 snd_soc_update_bits(codec, CS4265_PWRCTL,
493 CS4265_PWRCTL_PDN, 0);
494 break;
495 case SND_SOC_BIAS_STANDBY:
496 snd_soc_update_bits(codec, CS4265_PWRCTL,
497 CS4265_PWRCTL_PDN,
498 CS4265_PWRCTL_PDN);
499 break;
500 case SND_SOC_BIAS_OFF:
501 snd_soc_update_bits(codec, CS4265_PWRCTL,
502 CS4265_PWRCTL_PDN,
503 CS4265_PWRCTL_PDN);
504 break;
505 }
506 codec->dapm.bias_level = level;
507 return 0;
508}
509
510#define CS4265_RATES (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
511 SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_64000 | \
512 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | \
513 SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000)
514
515#define CS4265_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_U16_LE | \
516 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_U24_LE)
517
518static const struct snd_soc_dai_ops cs4265_ops = {
519 .hw_params = cs4265_pcm_hw_params,
520 .digital_mute = cs4265_digital_mute,
521 .set_fmt = cs4265_set_fmt,
522 .set_sysclk = cs4265_set_sysclk,
523};
524
525static struct snd_soc_dai_driver cs4265_dai[] = {
526 {
527 .name = "cs4265-dai1",
528 .playback = {
529 .stream_name = "DAI1 Playback",
530 .channels_min = 1,
531 .channels_max = 2,
532 .rates = CS4265_RATES,
533 .formats = CS4265_FORMATS,
534 },
535 .capture = {
536 .stream_name = "DAI1 Capture",
537 .channels_min = 1,
538 .channels_max = 2,
539 .rates = CS4265_RATES,
540 .formats = CS4265_FORMATS,
541 },
542 .ops = &cs4265_ops,
543 },
544 {
545 .name = "cs4265-dai2",
546 .playback = {
547 .stream_name = "DAI2 Playback",
548 .channels_min = 1,
549 .channels_max = 2,
550 .rates = CS4265_RATES,
551 .formats = CS4265_FORMATS,
552 },
553 .capture = {
554 .stream_name = "DAI2 Capture",
555 .channels_min = 1,
556 .channels_max = 2,
557 .rates = CS4265_RATES,
558 .formats = CS4265_FORMATS,
559 },
560 .ops = &cs4265_ops,
561 },
562};
563
564static const struct snd_soc_codec_driver soc_codec_cs4265 = {
565 .set_bias_level = cs4265_set_bias_level,
566
567 .dapm_widgets = cs4265_dapm_widgets,
568 .num_dapm_widgets = ARRAY_SIZE(cs4265_dapm_widgets),
569 .dapm_routes = cs4265_audio_map,
570 .num_dapm_routes = ARRAY_SIZE(cs4265_audio_map),
571
572 .controls = cs4265_snd_controls,
573 .num_controls = ARRAY_SIZE(cs4265_snd_controls),
574};
575
576static const struct regmap_config cs4265_regmap = {
577 .reg_bits = 8,
578 .val_bits = 8,
579
580 .max_register = CS4265_MAX_REGISTER,
581 .reg_defaults = cs4265_reg_defaults,
582 .num_reg_defaults = ARRAY_SIZE(cs4265_reg_defaults),
583 .readable_reg = cs4265_readable_register,
584 .volatile_reg = cs4265_volatile_register,
585 .cache_type = REGCACHE_RBTREE,
586};
587
588static int cs4265_i2c_probe(struct i2c_client *i2c_client,
589 const struct i2c_device_id *id)
590{
591 struct cs4265_private *cs4265;
592 int ret = 0;
593 unsigned int devid = 0;
594 unsigned int reg;
595
596 cs4265 = devm_kzalloc(&i2c_client->dev, sizeof(struct cs4265_private),
597 GFP_KERNEL);
598 if (cs4265 == NULL)
599 return -ENOMEM;
600 cs4265->dev = &i2c_client->dev;
601
602 cs4265->regmap = devm_regmap_init_i2c(i2c_client, &cs4265_regmap);
603 if (IS_ERR(cs4265->regmap)) {
604 ret = PTR_ERR(cs4265->regmap);
605 dev_err(&i2c_client->dev, "regmap_init() failed: %d\n", ret);
606 return ret;
607 }
608
609 cs4265->reset_gpio = devm_gpiod_get(&i2c_client->dev,
610 "reset-gpios");
611 if (IS_ERR(cs4265->reset_gpio)) {
612 ret = PTR_ERR(cs4265->reset_gpio);
613 if (ret != -ENOENT && ret != -ENOSYS)
614 return ret;
615
616 cs4265->reset_gpio = NULL;
617 } else {
618 ret = gpiod_direction_output(cs4265->reset_gpio, 0);
619 if (ret)
620 return ret;
621 mdelay(1);
622 gpiod_set_value_cansleep(cs4265->reset_gpio, 1);
623
624 }
625
626 i2c_set_clientdata(i2c_client, cs4265);
627
628 ret = regmap_read(cs4265->regmap, CS4265_CHIP_ID, &reg);
629 devid = reg & CS4265_CHIP_ID_MASK;
630 if (devid != CS4265_CHIP_ID_VAL) {
631 ret = -ENODEV;
632 dev_err(&i2c_client->dev,
633 "CS4265 Device ID (%X). Expected %X\n",
634 devid, CS4265_CHIP_ID);
635 return ret;
636 }
637 dev_info(&i2c_client->dev,
638 "CS4265 Version %x\n",
639 reg & CS4265_REV_ID_MASK);
640
641 regmap_write(cs4265->regmap, CS4265_PWRCTL, 0x0F);
642
643 ret = snd_soc_register_codec(&i2c_client->dev,
644 &soc_codec_cs4265, cs4265_dai,
645 ARRAY_SIZE(cs4265_dai));
646 return ret;
647}
648
649static int cs4265_i2c_remove(struct i2c_client *client)
650{
651 snd_soc_unregister_codec(&client->dev);
652 return 0;
653}
654
655static const struct of_device_id cs4265_of_match[] = {
656 { .compatible = "cirrus,cs4265", },
657 { }
658};
659MODULE_DEVICE_TABLE(of, cs4265_of_match);
660
661static const struct i2c_device_id cs4265_id[] = {
662 { "cs4265", 0 },
663 { }
664};
665MODULE_DEVICE_TABLE(i2c, cs4265_id);
666
667static struct i2c_driver cs4265_i2c_driver = {
668 .driver = {
669 .name = "cs4265",
670 .owner = THIS_MODULE,
671 .of_match_table = cs4265_of_match,
672 },
673 .id_table = cs4265_id,
674 .probe = cs4265_i2c_probe,
675 .remove = cs4265_i2c_remove,
676};
677
678module_i2c_driver(cs4265_i2c_driver);
679
680MODULE_DESCRIPTION("ASoC CS4265 driver");
681MODULE_AUTHOR("Paul Handrigan, Cirrus Logic Inc, <paul.handrigan@cirrus.com>");
682MODULE_LICENSE("GPL");
diff --git a/sound/soc/codecs/cs4265.h b/sound/soc/codecs/cs4265.h
new file mode 100644
index 000000000000..0a80a8dcec67
--- /dev/null
+++ b/sound/soc/codecs/cs4265.h
@@ -0,0 +1,64 @@
1/*
2 * cs4265.h -- CS4265 ALSA SoC audio driver
3 *
4 * Copyright 2014 Cirrus Logic, Inc.
5 *
6 * Author: Paul Handrigan <paul.handrigan@cirrus.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
14#ifndef __CS4265_H__
15#define __CS4265_H__
16
17#define CS4265_CHIP_ID 0x1
18#define CS4265_CHIP_ID_VAL 0xD0
19#define CS4265_CHIP_ID_MASK 0xF0
20#define CS4265_REV_ID_MASK 0x0F
21
22#define CS4265_PWRCTL 0x02
23#define CS4265_PWRCTL_PDN 1
24
25#define CS4265_DAC_CTL 0x3
26#define CS4265_DAC_CTL_MUTE (1 << 2)
27#define CS4265_DAC_CTL_DIF (3 << 4)
28
29#define CS4265_ADC_CTL 0x4
30#define CS4265_ADC_MASTER 1
31#define CS4265_ADC_DIF (1 << 4)
32#define CS4265_ADC_FM (3 << 6)
33
34#define CS4265_MCLK_FREQ 0x5
35#define CS4265_MCLK_FREQ_MASK (7 << 4)
36
37#define CS4265_SIG_SEL 0x6
38#define CS4265_SIG_SEL_LOOP (1 << 1)
39
40#define CS4265_CHB_PGA_CTL 0x7
41#define CS4265_CHA_PGA_CTL 0x8
42
43#define CS4265_ADC_CTL2 0x9
44
45#define CS4265_DAC_CHA_VOL 0xA
46#define CS4265_DAC_CHB_VOL 0xB
47
48#define CS4265_DAC_CTL2 0xC
49
50#define CS4265_INT_STATUS 0xD
51#define CS4265_INT_MASK 0xE
52#define CS4265_STATUS_MODE_MSB 0xF
53#define CS4265_STATUS_MODE_LSB 0x10
54
55#define CS4265_SPDIF_CTL1 0x11
56
57#define CS4265_SPDIF_CTL2 0x12
58#define CS4265_SPDIF_CTL2_MUTE (1 << 4)
59#define CS4265_SPDIF_CTL2_DIF (3 << 6)
60
61#define CS4265_C_DATA_BUFF 0x13
62#define CS4265_MAX_REGISTER 0x2A
63
64#endif
generated by cgit v1.2.2 (git 2.25.0) at 2025-06-14 09:51:44 -0400