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[mirror_ubuntu-bionic-kernel.git] / sound / soc / codecs / ssm2602.c
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b7138212
CC		 1/*
2 * File: sound/soc/codecs/ssm2602.c
3 * Author: Cliff Cai <Cliff.Cai@analog.com>
4 *
5 * Created: Tue June 06 2008
6 * Description: Driver for ssm2602 sound chip
7 *
8 * Modified:
9 * Copyright 2008 Analog Devices Inc.
10 *
11 * Bugs: Enter bugs at http://blackfin.uclinux.org/
12 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
17 *
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
22 *
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, see the file COPYING, or write
25 * to the Free Software Foundation, Inc.,
26 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
27 */
28
29#include <linux/module.h>
bec3d9a9 30#include <linux/regmap.h>
5a0e3ad6 31#include <linux/slab.h>
c924dc68 32
b7138212
CC		 33#include <sound/pcm.h>
34#include <sound/pcm_params.h>
35#include <sound/soc.h>
f3eee00d 36#include <sound/tlv.h>
b7138212
CC		 37
38#include "ssm2602.h"
39
b7138212
CC		 40/* codec private data */
41struct ssm2602_priv {
42 unsigned int sysclk;
f75ac2d9 43 const struct snd_pcm_hw_constraint_list *sysclk_constraints;
b1f7b2b5 44
bec3d9a9
LPC		 45 struct regmap *regmap;
46
b1f7b2b5 47 enum ssm2602_type type;
02890535 48 unsigned int clk_out_pwr;
b7138212
CC		 49};
50
51/*
52 * ssm2602 register cache
53 * We can't read the ssm2602 register space when we are
54 * using 2 wire for device control, so we cache them instead.
55 * There is no point in caching the reset register
56 */
57static const u16 ssm2602_reg[SSM2602_CACHEREGNUM] = {
7164bdb6
LPC		 58 0x0097, 0x0097, 0x0079, 0x0079,
59 0x000a, 0x0008, 0x009f, 0x000a,
b7138212
CC		 60 0x0000, 0x0000
61};
62
b7138212
CC		 63
64/*Appending several "None"s just for OSS mixer use*/
65static const char *ssm2602_input_select[] = {
b38fbe30 66 "Line", "Mic",
b7138212
CC		 67};
68
69static const char *ssm2602_deemph[] = {"None", "32Khz", "44.1Khz", "48Khz"};
70
71static const struct soc_enum ssm2602_enum[] = {
b38fbe30
TI		 72 SOC_ENUM_SINGLE(SSM2602_APANA, 2, ARRAY_SIZE(ssm2602_input_select),
73 ssm2602_input_select),
74 SOC_ENUM_SINGLE(SSM2602_APDIGI, 1, ARRAY_SIZE(ssm2602_deemph),
75 ssm2602_deemph),
b7138212
CC		 76};
77
f3eee00d
LPC		 78static const unsigned int ssm260x_outmix_tlv[] = {
79 TLV_DB_RANGE_HEAD(2),
80 0, 47, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 0),
81 48, 127, TLV_DB_SCALE_ITEM(-7400, 100, 0),
82};
83
84static const DECLARE_TLV_DB_SCALE(ssm260x_inpga_tlv, -3450, 150, 0);
85static const DECLARE_TLV_DB_SCALE(ssm260x_sidetone_tlv, -1500, 300, 0);
86
b1f7b2b5 87static const struct snd_kcontrol_new ssm260x_snd_controls[] = {
f3eee00d
LPC		 88SOC_DOUBLE_R_TLV("Capture Volume", SSM2602_LINVOL, SSM2602_RINVOL, 0, 45, 0,
89 ssm260x_inpga_tlv),
b1f7b2b5 90SOC_DOUBLE_R("Capture Switch", SSM2602_LINVOL, SSM2602_RINVOL, 7, 1, 1),
b7138212 91
b1f7b2b5
LPC		 92SOC_SINGLE("ADC High Pass Filter Switch", SSM2602_APDIGI, 0, 1, 1),
93SOC_SINGLE("Store DC Offset Switch", SSM2602_APDIGI, 4, 1, 0),
94
95SOC_ENUM("Playback De-emphasis", ssm2602_enum[1]),
96};
97
98static const struct snd_kcontrol_new ssm2602_snd_controls[] = {
f3eee00d
LPC		 99SOC_DOUBLE_R_TLV("Master Playback Volume", SSM2602_LOUT1V, SSM2602_ROUT1V,
100 0, 127, 0, ssm260x_outmix_tlv),
b7138212
CC		 101SOC_DOUBLE_R("Master Playback ZC Switch", SSM2602_LOUT1V, SSM2602_ROUT1V,
102 7, 1, 0),
f3eee00d
LPC		 103SOC_SINGLE_TLV("Sidetone Playback Volume", SSM2602_APANA, 6, 3, 1,
104 ssm260x_sidetone_tlv),
b7138212
CC		 105
106SOC_SINGLE("Mic Boost (+20dB)", SSM2602_APANA, 0, 1, 0),
36c90ab3 107SOC_SINGLE("Mic Boost2 (+20dB)", SSM2602_APANA, 8, 1, 0),
b7138212 108SOC_SINGLE("Mic Switch", SSM2602_APANA, 1, 1, 1),
b7138212
CC		 109};
110
b7138212 111/* Output Mixer */
b1f7b2b5 112static const struct snd_kcontrol_new ssm260x_output_mixer_controls[] = {
b7138212 113SOC_DAPM_SINGLE("Line Bypass Switch", SSM2602_APANA, 3, 1, 0),
b7138212 114SOC_DAPM_SINGLE("HiFi Playback Switch", SSM2602_APANA, 4, 1, 0),
b1f7b2b5 115SOC_DAPM_SINGLE("Mic Sidetone Switch", SSM2602_APANA, 5, 1, 0),
b7138212
CC		 116};
117
118/* Input mux */
119static const struct snd_kcontrol_new ssm2602_input_mux_controls =
120SOC_DAPM_ENUM("Input Select", ssm2602_enum[0]);
121
b1f7b2b5 122static const struct snd_soc_dapm_widget ssm260x_dapm_widgets[] = {
b7138212 123SND_SOC_DAPM_DAC("DAC", "HiFi Playback", SSM2602_PWR, 3, 1),
b1f7b2b5
LPC		 124SND_SOC_DAPM_ADC("ADC", "HiFi Capture", SSM2602_PWR, 2, 1),
125SND_SOC_DAPM_PGA("Line Input", SSM2602_PWR, 0, 1, NULL, 0),
126
3afb1b3e 127SND_SOC_DAPM_SUPPLY("Digital Core Power", SSM2602_ACTIVE, 0, 0, NULL, 0),
2a43801a 128
b7138212 129SND_SOC_DAPM_OUTPUT("LOUT"),
b7138212 130SND_SOC_DAPM_OUTPUT("ROUT"),
b1f7b2b5
LPC		 131SND_SOC_DAPM_INPUT("RLINEIN"),
132SND_SOC_DAPM_INPUT("LLINEIN"),
133};
134
135static const struct snd_soc_dapm_widget ssm2602_dapm_widgets[] = {
136SND_SOC_DAPM_MIXER("Output Mixer", SSM2602_PWR, 4, 1,
137 ssm260x_output_mixer_controls,
138 ARRAY_SIZE(ssm260x_output_mixer_controls)),
139
b7138212 140SND_SOC_DAPM_MUX("Input Mux", SND_SOC_NOPM, 0, 0, &ssm2602_input_mux_controls),
b7138212 141SND_SOC_DAPM_MICBIAS("Mic Bias", SSM2602_PWR, 1, 1),
b1f7b2b5
LPC		 142
143SND_SOC_DAPM_OUTPUT("LHPOUT"),
144SND_SOC_DAPM_OUTPUT("RHPOUT"),
b7138212 145SND_SOC_DAPM_INPUT("MICIN"),
b7138212
CC		 146};
147
b1f7b2b5
LPC		 148static const struct snd_soc_dapm_widget ssm2604_dapm_widgets[] = {
149SND_SOC_DAPM_MIXER("Output Mixer", SND_SOC_NOPM, 0, 0,
150 ssm260x_output_mixer_controls,
151 ARRAY_SIZE(ssm260x_output_mixer_controls) - 1), /* Last element is the mic */
152};
153
154static const struct snd_soc_dapm_route ssm260x_routes[] = {
2a43801a
LPC		 155 {"DAC", NULL, "Digital Core Power"},
156 {"ADC", NULL, "Digital Core Power"},
157
b7138212
CC		 158 {"Output Mixer", "Line Bypass Switch", "Line Input"},
159 {"Output Mixer", "HiFi Playback Switch", "DAC"},
b1f7b2b5
LPC		 160
161 {"ROUT", NULL, "Output Mixer"},
162 {"LOUT", NULL, "Output Mixer"},
163
164 {"Line Input", NULL, "LLINEIN"},
165 {"Line Input", NULL, "RLINEIN"},
166};
167
168static const struct snd_soc_dapm_route ssm2602_routes[] = {
b7138212
CC		 169 {"Output Mixer", "Mic Sidetone Switch", "Mic Bias"},
170
b7138212 171 {"RHPOUT", NULL, "Output Mixer"},
b7138212 172 {"LHPOUT", NULL, "Output Mixer"},
b7138212 173
b7138212
CC		 174 {"Input Mux", "Line", "Line Input"},
175 {"Input Mux", "Mic", "Mic Bias"},
176 {"ADC", NULL, "Input Mux"},
177
b7138212
CC		 178 {"Mic Bias", NULL, "MICIN"},
179};
180
b1f7b2b5
LPC		 181static const struct snd_soc_dapm_route ssm2604_routes[] = {
182 {"ADC", NULL, "Line Input"},
183};
b7138212 184
8b3f39da 185static const unsigned int ssm2602_rates_12288000[] = {
7ae2b55b 186 8000, 16000, 32000, 48000, 96000,
8b3f39da
LPC		 187};
188
f75ac2d9 189static const struct snd_pcm_hw_constraint_list ssm2602_constraints_12288000 = {
8b3f39da
LPC		 190 .list = ssm2602_rates_12288000,
191 .count = ARRAY_SIZE(ssm2602_rates_12288000),
192};
193
194static const unsigned int ssm2602_rates_11289600[] = {
195 8000, 44100, 88200,
196};
197
f75ac2d9 198static const struct snd_pcm_hw_constraint_list ssm2602_constraints_11289600 = {
8b3f39da
LPC		 199 .list = ssm2602_rates_11289600,
200 .count = ARRAY_SIZE(ssm2602_rates_11289600),
201};
202
0b4cd2e0 203struct ssm2602_coeff {
b7138212
CC		 204 u32 mclk;
205 u32 rate;
0b4cd2e0 206 u8 srate;
b7138212
CC		 207};
208
0b4cd2e0
LPC		 209#define SSM2602_COEFF_SRATE(sr, bosr, usb) (((sr) << 2) | ((bosr) << 1) | (usb))
210
211/* codec mclk clock coefficients */
212static const struct ssm2602_coeff ssm2602_coeff_table[] = {
b7138212 213 /* 48k */
0b4cd2e0
LPC		 214 {12288000, 48000, SSM2602_COEFF_SRATE(0x0, 0x0, 0x0)},
215 {18432000, 48000, SSM2602_COEFF_SRATE(0x0, 0x1, 0x0)},
216 {12000000, 48000, SSM2602_COEFF_SRATE(0x0, 0x0, 0x1)},
b7138212
CC		 217
218 /* 32k */
0b4cd2e0
LPC		 219 {12288000, 32000, SSM2602_COEFF_SRATE(0x6, 0x0, 0x0)},
220 {18432000, 32000, SSM2602_COEFF_SRATE(0x6, 0x1, 0x0)},
221 {12000000, 32000, SSM2602_COEFF_SRATE(0x6, 0x0, 0x1)},
b7138212 222
7ae2b55b
AP		 223 /* 16k */
224 {12288000, 16000, SSM2602_COEFF_SRATE(0x5, 0x0, 0x0)},
225 {18432000, 16000, SSM2602_COEFF_SRATE(0x5, 0x1, 0x0)},
226 {12000000, 16000, SSM2602_COEFF_SRATE(0xa, 0x0, 0x1)},
227
b7138212 228 /* 8k */
0b4cd2e0
LPC		 229 {12288000, 8000, SSM2602_COEFF_SRATE(0x3, 0x0, 0x0)},
230 {18432000, 8000, SSM2602_COEFF_SRATE(0x3, 0x1, 0x0)},
231 {11289600, 8000, SSM2602_COEFF_SRATE(0xb, 0x0, 0x0)},
232 {16934400, 8000, SSM2602_COEFF_SRATE(0xb, 0x1, 0x0)},
233 {12000000, 8000, SSM2602_COEFF_SRATE(0x3, 0x0, 0x1)},
b7138212
CC		 234
235 /* 96k */
0b4cd2e0
LPC		 236 {12288000, 96000, SSM2602_COEFF_SRATE(0x7, 0x0, 0x0)},
237 {18432000, 96000, SSM2602_COEFF_SRATE(0x7, 0x1, 0x0)},
238 {12000000, 96000, SSM2602_COEFF_SRATE(0x7, 0x0, 0x1)},
b7138212
CC		 239
240 /* 44.1k */
0b4cd2e0
LPC		 241 {11289600, 44100, SSM2602_COEFF_SRATE(0x8, 0x0, 0x0)},
242 {16934400, 44100, SSM2602_COEFF_SRATE(0x8, 0x1, 0x0)},
243 {12000000, 44100, SSM2602_COEFF_SRATE(0x8, 0x1, 0x1)},
b7138212
CC		 244
245 /* 88.2k */
0b4cd2e0
LPC		 246 {11289600, 88200, SSM2602_COEFF_SRATE(0xf, 0x0, 0x0)},
247 {16934400, 88200, SSM2602_COEFF_SRATE(0xf, 0x1, 0x0)},
248 {12000000, 88200, SSM2602_COEFF_SRATE(0xf, 0x1, 0x1)},
b7138212
CC		 249};
250
0b4cd2e0 251static inline int ssm2602_get_coeff(int mclk, int rate)
b7138212
CC		 252{
253 int i;
254
0b4cd2e0
LPC		 255 for (i = 0; i < ARRAY_SIZE(ssm2602_coeff_table); i++) {
256 if (ssm2602_coeff_table[i].rate == rate &&
257 ssm2602_coeff_table[i].mclk == mclk)
258 return ssm2602_coeff_table[i].srate;
b7138212 259 }
0b4cd2e0 260 return -EINVAL;
b7138212
CC		 261}
262
263static int ssm2602_hw_params(struct snd_pcm_substream *substream,
dee89c4d
MB		 264 struct snd_pcm_hw_params *params,
265 struct snd_soc_dai *dai)
b7138212 266{
e6968a17 267 struct snd_soc_codec *codec = dai->codec;
b2c812e2 268 struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
0b4cd2e0 269 int srate = ssm2602_get_coeff(ssm2602->sysclk, params_rate(params));
bec3d9a9 270 unsigned int iface;
b7138212 271
0b4cd2e0
LPC		 272 if (srate < 0)
273 return srate;
b7138212 274
bec3d9a9 275 regmap_write(ssm2602->regmap, SSM2602_SRATE, srate);
b7138212
CC		 276
277 /* bit size */
00a37032
MB		 278 switch (params_width(params)) {
279 case 16:
bec3d9a9 280 iface = 0x0;
b7138212 281 break;
00a37032 282 case 20:
bec3d9a9 283 iface = 0x4;
b7138212 284 break;
00a37032 285 case 24:
bec3d9a9 286 iface = 0x8;
b7138212 287 break;
00a37032 288 case 32:
bec3d9a9 289 iface = 0xc;
b7138212 290 break;
bec3d9a9
LPC		 291 default:
292 return -EINVAL;
b7138212 293 }
bec3d9a9
LPC		 294 regmap_update_bits(ssm2602->regmap, SSM2602_IFACE,
295 IFACE_AUDIO_DATA_LEN, iface);
b7138212
CC		 296 return 0;
297}
298
dee89c4d
MB		 299static int ssm2602_startup(struct snd_pcm_substream *substream,
300 struct snd_soc_dai *dai)
b7138212 301{
e6968a17 302 struct snd_soc_codec *codec = dai->codec;
b2c812e2 303 struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
b7138212 304
8b3f39da
LPC		 305 if (ssm2602->sysclk_constraints) {
306 snd_pcm_hw_constraint_list(substream->runtime, 0,
307 SNDRV_PCM_HW_PARAM_RATE,
308 ssm2602->sysclk_constraints);
309 }
310
b7138212
CC		 311 return 0;
312}
313
b7138212
CC		 314static int ssm2602_mute(struct snd_soc_dai *dai, int mute)
315{
bec3d9a9 316 struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(dai->codec);
2ee9c183 317
b7138212 318 if (mute)
bec3d9a9 319 regmap_update_bits(ssm2602->regmap, SSM2602_APDIGI,
2ee9c183
AL		 320 APDIGI_ENABLE_DAC_MUTE,
321 APDIGI_ENABLE_DAC_MUTE);
b7138212 322 else
bec3d9a9 323 regmap_update_bits(ssm2602->regmap, SSM2602_APDIGI,
2ee9c183 324 APDIGI_ENABLE_DAC_MUTE, 0);
b7138212
CC		 325 return 0;
326}
327
328static int ssm2602_set_dai_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;
b2c812e2 332 struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
02890535
LPC		 333
334 if (dir == SND_SOC_CLOCK_IN) {
335 if (clk_id != SSM2602_SYSCLK)
336 return -EINVAL;
337
338 switch (freq) {
02890535 339 case 12288000:
02890535 340 case 18432000:
8b3f39da
LPC		 341 ssm2602->sysclk_constraints = &ssm2602_constraints_12288000;
342 break;
343 case 11289600:
344 case 16934400:
345 ssm2602->sysclk_constraints = &ssm2602_constraints_11289600;
346 break;
347 case 12000000:
348 ssm2602->sysclk_constraints = NULL;
02890535
LPC		 349 break;
350 default:
351 return -EINVAL;
352 }
8b3f39da 353 ssm2602->sysclk = freq;
02890535
LPC		 354 } else {
355 unsigned int mask;
356
357 switch (clk_id) {
358 case SSM2602_CLK_CLKOUT:
359 mask = PWR_CLK_OUT_PDN;
360 break;
361 case SSM2602_CLK_XTO:
362 mask = PWR_OSC_PDN;
363 break;
364 default:
365 return -EINVAL;
366 }
367
368 if (freq == 0)
369 ssm2602->clk_out_pwr |= mask;
370 else
371 ssm2602->clk_out_pwr &= ~mask;
372
bec3d9a9 373 regmap_update_bits(ssm2602->regmap, SSM2602_PWR,
02890535 374 PWR_CLK_OUT_PDN | PWR_OSC_PDN, ssm2602->clk_out_pwr);
b7138212 375 }
02890535
LPC		 376
377 return 0;
b7138212
CC		 378}
379
380static int ssm2602_set_dai_fmt(struct snd_soc_dai *codec_dai,
381 unsigned int fmt)
382{
bec3d9a9
LPC		 383 struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec_dai->codec);
384 unsigned int iface = 0;
b7138212
CC		 385
386 /* set master/slave audio interface */
387 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
388 case SND_SOC_DAIFMT_CBM_CFM:
389 iface |= 0x0040;
390 break;
391 case SND_SOC_DAIFMT_CBS_CFS:
392 break;
393 default:
394 return -EINVAL;
395 }
396
397 /* interface format */
398 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
399 case SND_SOC_DAIFMT_I2S:
400 iface |= 0x0002;
401 break;
402 case SND_SOC_DAIFMT_RIGHT_J:
403 break;
404 case SND_SOC_DAIFMT_LEFT_J:
405 iface |= 0x0001;
406 break;
407 case SND_SOC_DAIFMT_DSP_A:
c6913485 408 iface |= 0x0013;
b7138212
CC		 409 break;
410 case SND_SOC_DAIFMT_DSP_B:
c6913485 411 iface |= 0x0003;
b7138212
CC		 412 break;
413 default:
414 return -EINVAL;
415 }
416
417 /* clock inversion */
418 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
419 case SND_SOC_DAIFMT_NB_NF:
420 break;
421 case SND_SOC_DAIFMT_IB_IF:
422 iface |= 0x0090;
423 break;
424 case SND_SOC_DAIFMT_IB_NF:
425 iface |= 0x0080;
426 break;
427 case SND_SOC_DAIFMT_NB_IF:
428 iface |= 0x0010;
429 break;
430 default:
431 return -EINVAL;
432 }
433
434 /* set iface */
bec3d9a9 435 regmap_write(ssm2602->regmap, SSM2602_IFACE, iface);
b7138212
CC		 436 return 0;
437}
438
439static int ssm2602_set_bias_level(struct snd_soc_codec *codec,
440 enum snd_soc_bias_level level)
441{
02890535 442 struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
b7138212
CC		 443
444 switch (level) {
445 case SND_SOC_BIAS_ON:
02890535 446 /* vref/mid on, osc and clkout on if enabled */
bec3d9a9 447 regmap_update_bits(ssm2602->regmap, SSM2602_PWR,
02890535
LPC		 448 PWR_POWER_OFF | PWR_CLK_OUT_PDN | PWR_OSC_PDN,
449 ssm2602->clk_out_pwr);
b7138212
CC		 450 break;
451 case SND_SOC_BIAS_PREPARE:
452 break;
453 case SND_SOC_BIAS_STANDBY:
454 /* everything off except vref/vmid, */
bec3d9a9 455 regmap_update_bits(ssm2602->regmap, SSM2602_PWR,
02890535
LPC		 456 PWR_POWER_OFF | PWR_CLK_OUT_PDN | PWR_OSC_PDN,
457 PWR_CLK_OUT_PDN | PWR_OSC_PDN);
b7138212
CC		 458 break;
459 case SND_SOC_BIAS_OFF:
02890535 460 /* everything off */
bec3d9a9 461 regmap_update_bits(ssm2602->regmap, SSM2602_PWR,
02890535 462 PWR_POWER_OFF, PWR_POWER_OFF);
b7138212
CC		 463 break;
464
465 }
ce6120cc 466 codec->dapm.bias_level = level;
b7138212
CC		 467 return 0;
468}
469
7ae2b55b
AP		 470#define SSM2602_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\
471 SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
472 SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |\
473 SNDRV_PCM_RATE_96000)
b7138212 474
5de27b6c
KB		 475#define SSM2602_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
476 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
477
85e7652d 478static const struct snd_soc_dai_ops ssm2602_dai_ops = {
6335d055 479 .startup = ssm2602_startup,
6335d055 480 .hw_params = ssm2602_hw_params,
6335d055
EM		 481 .digital_mute = ssm2602_mute,
482 .set_sysclk = ssm2602_set_dai_sysclk,
483 .set_fmt = ssm2602_set_dai_fmt,
484};
485
f0fba2ad
LG		 486static struct snd_soc_dai_driver ssm2602_dai = {
487 .name = "ssm2602-hifi",
b7138212
CC		 488 .playback = {
489 .stream_name = "Playback",
490 .channels_min = 2,
491 .channels_max = 2,
492 .rates = SSM2602_RATES,
5de27b6c 493 .formats = SSM2602_FORMATS,},
b7138212
CC		 494 .capture = {
495 .stream_name = "Capture",
496 .channels_min = 2,
497 .channels_max = 2,
498 .rates = SSM2602_RATES,
5de27b6c 499 .formats = SSM2602_FORMATS,},
6335d055 500 .ops = &ssm2602_dai_ops,
a010ff62
LPC		 501 .symmetric_rates = 1,
502 .symmetric_samplebits = 1,
b7138212 503};
b7138212 504
84b315ee 505static int ssm2602_suspend(struct snd_soc_codec *codec)
b7138212 506{
b7138212
CC		 507 ssm2602_set_bias_level(codec, SND_SOC_BIAS_OFF);
508 return 0;
509}
510
f0fba2ad 511static int ssm2602_resume(struct snd_soc_codec *codec)
b7138212 512{
9d863b88 513 struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
93547e89 514
9d863b88 515 regcache_sync(ssm2602->regmap);
b7138212 516 ssm2602_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
93547e89 517
b7138212
CC		 518 return 0;
519}
520
c924dc68 521static int ssm2602_codec_probe(struct snd_soc_codec *codec)
b1f7b2b5 522{
bec3d9a9 523 struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
b1f7b2b5 524 struct snd_soc_dapm_context *dapm = &codec->dapm;
2ee9c183 525 int ret;
b1f7b2b5 526
bec3d9a9 527 regmap_update_bits(ssm2602->regmap, SSM2602_LOUT1V,
2ee9c183 528 LOUT1V_LRHP_BOTH, LOUT1V_LRHP_BOTH);
bec3d9a9 529 regmap_update_bits(ssm2602->regmap, SSM2602_ROUT1V,
2ee9c183 530 ROUT1V_RLHP_BOTH, ROUT1V_RLHP_BOTH);
b1f7b2b5 531
022658be 532 ret = snd_soc_add_codec_controls(codec, ssm2602_snd_controls,
b1f7b2b5
LPC		 533 ARRAY_SIZE(ssm2602_snd_controls));
534 if (ret)
535 return ret;
536
537 ret = snd_soc_dapm_new_controls(dapm, ssm2602_dapm_widgets,
538 ARRAY_SIZE(ssm2602_dapm_widgets));
539 if (ret)
540 return ret;
541
542 return snd_soc_dapm_add_routes(dapm, ssm2602_routes,
543 ARRAY_SIZE(ssm2602_routes));
544}
545
c924dc68 546static int ssm2604_codec_probe(struct snd_soc_codec *codec)
b1f7b2b5
LPC		 547{
548 struct snd_soc_dapm_context *dapm = &codec->dapm;
549 int ret;
550
551 ret = snd_soc_dapm_new_controls(dapm, ssm2604_dapm_widgets,
552 ARRAY_SIZE(ssm2604_dapm_widgets));
553 if (ret)
554 return ret;
555
556 return snd_soc_dapm_add_routes(dapm, ssm2604_routes,
557 ARRAY_SIZE(ssm2604_routes));
558}
559
c924dc68 560static int ssm260x_codec_probe(struct snd_soc_codec *codec)
b7138212 561{
f0fba2ad 562 struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
2ee9c183 563 int ret;
f0fba2ad 564
bec3d9a9 565 ret = regmap_write(ssm2602->regmap, SSM2602_RESET, 0);
93547e89
CC		 566 if (ret < 0) {
567 dev_err(codec->dev, "Failed to issue reset: %d\n", ret);
568 return ret;
569 }
b7138212 570
b7138212 571 /* set the update bits */
bec3d9a9 572 regmap_update_bits(ssm2602->regmap, SSM2602_LINVOL,
2ee9c183 573 LINVOL_LRIN_BOTH, LINVOL_LRIN_BOTH);
bec3d9a9 574 regmap_update_bits(ssm2602->regmap, SSM2602_RINVOL,
2ee9c183 575 RINVOL_RLIN_BOTH, RINVOL_RLIN_BOTH);
b7138212 576 /*select Line in as default input*/
bec3d9a9 577 regmap_write(ssm2602->regmap, SSM2602_APANA, APANA_SELECT_DAC |
b7138212 578 APANA_ENABLE_MIC_BOOST);
b7138212 579
b1f7b2b5
LPC		 580 switch (ssm2602->type) {
581 case SSM2602:
c924dc68 582 ret = ssm2602_codec_probe(codec);
b1f7b2b5
LPC		 583 break;
584 case SSM2604:
c924dc68 585 ret = ssm2604_codec_probe(codec);
b1f7b2b5
LPC		 586 break;
587 }
b7138212 588
a9d1974e
LPC		 589 if (ret)
590 return ret;
591
592 ssm2602_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
593
594 return 0;
f0fba2ad 595}
b7138212 596
f0fba2ad
LG		 597/* remove everything here */
598static int ssm2602_remove(struct snd_soc_codec *codec)
599{
600 ssm2602_set_bias_level(codec, SND_SOC_BIAS_OFF);
601 return 0;
b7138212
CC		 602}
603
f0fba2ad 604static struct snd_soc_codec_driver soc_codec_dev_ssm2602 = {
c924dc68 605 .probe = ssm260x_codec_probe,
f0fba2ad
LG		 606 .remove = ssm2602_remove,
607 .suspend = ssm2602_suspend,
608 .resume = ssm2602_resume,
f0fba2ad 609 .set_bias_level = ssm2602_set_bias_level,
b1f7b2b5
LPC		 610
611 .controls = ssm260x_snd_controls,
612 .num_controls = ARRAY_SIZE(ssm260x_snd_controls),
613 .dapm_widgets = ssm260x_dapm_widgets,
614 .num_dapm_widgets = ARRAY_SIZE(ssm260x_dapm_widgets),
615 .dapm_routes = ssm260x_routes,
616 .num_dapm_routes = ARRAY_SIZE(ssm260x_routes),
f0fba2ad 617};
b7138212 618
bec3d9a9
LPC		 619static bool ssm2602_register_volatile(struct device *dev, unsigned int reg)
620{
621 return reg == SSM2602_RESET;
622}
623
c924dc68 624const struct regmap_config ssm2602_regmap_config = {
bec3d9a9
LPC		 625 .val_bits = 9,
626 .reg_bits = 7,
627
628 .max_register = SSM2602_RESET,
629 .volatile_reg = ssm2602_register_volatile,
630
631 .cache_type = REGCACHE_RBTREE,
632 .reg_defaults_raw = ssm2602_reg,
633 .num_reg_defaults_raw = ARRAY_SIZE(ssm2602_reg),
634};
c924dc68 635EXPORT_SYMBOL_GPL(ssm2602_regmap_config);
bec3d9a9 636
c924dc68
LPC		 637int ssm2602_probe(struct device *dev, enum ssm2602_type type,
638 struct regmap *regmap)
b39e2855
MF		 639{
640 struct ssm2602_priv *ssm2602;
b39e2855 641
c924dc68
LPC		 642 if (IS_ERR(regmap))
643 return PTR_ERR(regmap);
b7138212 644
c924dc68 645 ssm2602 = devm_kzalloc(dev, sizeof(*ssm2602), GFP_KERNEL);
f0fba2ad
LG		 646 if (ssm2602 == NULL)
647 return -ENOMEM;
b7138212 648
c924dc68
LPC		 649 dev_set_drvdata(dev, ssm2602);
650 ssm2602->type = SSM2602;
651 ssm2602->regmap = regmap;
b39e2855 652
c924dc68
LPC		 653 return snd_soc_register_codec(dev, &soc_codec_dev_ssm2602,
654 &ssm2602_dai, 1);
64089b84 655}
c924dc68 656EXPORT_SYMBOL_GPL(ssm2602_probe);
64089b84 657
7dcf2760 658MODULE_DESCRIPTION("ASoC SSM2602/SSM2603/SSM2604 driver");
b7138212
CC		 659MODULE_AUTHOR("Cliff Cai");
660MODULE_LICENSE("GPL");
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