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Cliff Caib7138212008-09-05 18:09:57 +08001/*
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>
Lars-Peter Clausenbec3d9a2012-04-25 11:42:48 +020030#include <linux/regmap.h>
Tejun Heo5a0e3ad2010-03-24 17:04:11 +090031#include <linux/slab.h>
Lars-Peter Clausenc924dc62014-02-17 13:16:53 +010032
Cliff Caib7138212008-09-05 18:09:57 +080033#include <sound/pcm.h>
34#include <sound/pcm_params.h>
35#include <sound/soc.h>
Lars-Peter Clausenf3eee002011-05-08 09:24:46 -070036#include <sound/tlv.h>
Cliff Caib7138212008-09-05 18:09:57 +080037
38#include "ssm2602.h"
39
Cliff Caib7138212008-09-05 18:09:57 +080040/* codec private data */
41struct ssm2602_priv {
42 unsigned int sysclk;
Lars-Peter Clausenf75ac2d2014-02-05 21:54:33 +010043 const struct snd_pcm_hw_constraint_list *sysclk_constraints;
Lars-Peter Clausenb1f7b2b2011-05-08 09:24:43 -070044
Lars-Peter Clausenbec3d9a2012-04-25 11:42:48 +020045 struct regmap *regmap;
46
Lars-Peter Clausenb1f7b2b2011-05-08 09:24:43 -070047 enum ssm2602_type type;
Lars-Peter Clausen02890532011-09-27 11:08:48 +020048 unsigned int clk_out_pwr;
Cliff Caib7138212008-09-05 18:09:57 +080049};
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] = {
Lars-Peter Clausen7164bdb2011-05-08 09:24:41 -070058 0x0097, 0x0097, 0x0079, 0x0079,
59 0x000a, 0x0008, 0x009f, 0x000a,
Cliff Caib7138212008-09-05 18:09:57 +080060 0x0000, 0x0000
61};
62
Cliff Caib7138212008-09-05 18:09:57 +080063
64/*Appending several "None"s just for OSS mixer use*/
65static const char *ssm2602_input_select[] = {
Takashi Iwaib38fbe32014-02-18 09:17:44 +010066 "Line", "Mic",
Cliff Caib7138212008-09-05 18:09:57 +080067};
68
69static const char *ssm2602_deemph[] = {"None", "32Khz", "44.1Khz", "48Khz"};
70
71static const struct soc_enum ssm2602_enum[] = {
Takashi Iwaib38fbe32014-02-18 09:17:44 +010072 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),
Cliff Caib7138212008-09-05 18:09:57 +080076};
77
Lars-Peter Clausenf3eee002011-05-08 09:24:46 -070078static 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
Lars-Peter Clausenb1f7b2b2011-05-08 09:24:43 -070087static const struct snd_kcontrol_new ssm260x_snd_controls[] = {
Lars-Peter Clausenf3eee002011-05-08 09:24:46 -070088SOC_DOUBLE_R_TLV("Capture Volume", SSM2602_LINVOL, SSM2602_RINVOL, 0, 45, 0,
89 ssm260x_inpga_tlv),
Cliff Caib7138212008-09-05 18:09:57 +080090SOC_DOUBLE_R("Capture Switch", SSM2602_LINVOL, SSM2602_RINVOL, 7, 1, 1),
91
Cliff Caib7138212008-09-05 18:09:57 +080092SOC_SINGLE("ADC High Pass Filter Switch", SSM2602_APDIGI, 0, 1, 1),
93SOC_SINGLE("Store DC Offset Switch", SSM2602_APDIGI, 4, 1, 0),
94
Cliff Caib7138212008-09-05 18:09:57 +080095SOC_ENUM("Playback De-emphasis", ssm2602_enum[1]),
96};
97
Lars-Peter Clausenb1f7b2b2011-05-08 09:24:43 -070098static const struct snd_kcontrol_new ssm2602_snd_controls[] = {
Lars-Peter Clausenf3eee002011-05-08 09:24:46 -070099SOC_DOUBLE_R_TLV("Master Playback Volume", SSM2602_LOUT1V, SSM2602_ROUT1V,
100 0, 127, 0, ssm260x_outmix_tlv),
Lars-Peter Clausenb1f7b2b2011-05-08 09:24:43 -0700101SOC_DOUBLE_R("Master Playback ZC Switch", SSM2602_LOUT1V, SSM2602_ROUT1V,
102 7, 1, 0),
Lars-Peter Clausenf3eee002011-05-08 09:24:46 -0700103SOC_SINGLE_TLV("Sidetone Playback Volume", SSM2602_APANA, 6, 3, 1,
104 ssm260x_sidetone_tlv),
Lars-Peter Clausenb1f7b2b2011-05-08 09:24:43 -0700105
106SOC_SINGLE("Mic Boost (+20dB)", SSM2602_APANA, 0, 1, 0),
107SOC_SINGLE("Mic Boost2 (+20dB)", SSM2602_APANA, 8, 1, 0),
108SOC_SINGLE("Mic Switch", SSM2602_APANA, 1, 1, 1),
109};
110
Cliff Caib7138212008-09-05 18:09:57 +0800111/* Output Mixer */
Lars-Peter Clausenb1f7b2b2011-05-08 09:24:43 -0700112static const struct snd_kcontrol_new ssm260x_output_mixer_controls[] = {
Cliff Caib7138212008-09-05 18:09:57 +0800113SOC_DAPM_SINGLE("Line Bypass Switch", SSM2602_APANA, 3, 1, 0),
Cliff Caib7138212008-09-05 18:09:57 +0800114SOC_DAPM_SINGLE("HiFi Playback Switch", SSM2602_APANA, 4, 1, 0),
Lars-Peter Clausenb1f7b2b2011-05-08 09:24:43 -0700115SOC_DAPM_SINGLE("Mic Sidetone Switch", SSM2602_APANA, 5, 1, 0),
Cliff Caib7138212008-09-05 18:09:57 +0800116};
117
118/* Input mux */
119static const struct snd_kcontrol_new ssm2602_input_mux_controls =
120SOC_DAPM_ENUM("Input Select", ssm2602_enum[0]);
121
Lars-Peter Clausenb1f7b2b2011-05-08 09:24:43 -0700122static const struct snd_soc_dapm_widget ssm260x_dapm_widgets[] = {
Cliff Caib7138212008-09-05 18:09:57 +0800123SND_SOC_DAPM_DAC("DAC", "HiFi Playback", SSM2602_PWR, 3, 1),
Cliff Caib7138212008-09-05 18:09:57 +0800124SND_SOC_DAPM_ADC("ADC", "HiFi Capture", SSM2602_PWR, 2, 1),
Cliff Caib7138212008-09-05 18:09:57 +0800125SND_SOC_DAPM_PGA("Line Input", SSM2602_PWR, 0, 1, NULL, 0),
Lars-Peter Clausenb1f7b2b2011-05-08 09:24:43 -0700126
Mark Brown3afb1b3e2011-05-11 00:01:58 +0200127SND_SOC_DAPM_SUPPLY("Digital Core Power", SSM2602_ACTIVE, 0, 0, NULL, 0),
Lars-Peter Clausen2a438012011-05-08 09:24:45 -0700128
Lars-Peter Clausenb1f7b2b2011-05-08 09:24:43 -0700129SND_SOC_DAPM_OUTPUT("LOUT"),
130SND_SOC_DAPM_OUTPUT("ROUT"),
Cliff Caib7138212008-09-05 18:09:57 +0800131SND_SOC_DAPM_INPUT("RLINEIN"),
132SND_SOC_DAPM_INPUT("LLINEIN"),
133};
134
Lars-Peter Clausenb1f7b2b2011-05-08 09:24:43 -0700135static 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
140SND_SOC_DAPM_MUX("Input Mux", SND_SOC_NOPM, 0, 0, &ssm2602_input_mux_controls),
141SND_SOC_DAPM_MICBIAS("Mic Bias", SSM2602_PWR, 1, 1),
142
143SND_SOC_DAPM_OUTPUT("LHPOUT"),
144SND_SOC_DAPM_OUTPUT("RHPOUT"),
145SND_SOC_DAPM_INPUT("MICIN"),
146};
147
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[] = {
Lars-Peter Clausen2a438012011-05-08 09:24:45 -0700155 {"DAC", NULL, "Digital Core Power"},
156 {"ADC", NULL, "Digital Core Power"},
157
Cliff Caib7138212008-09-05 18:09:57 +0800158 {"Output Mixer", "Line Bypass Switch", "Line Input"},
159 {"Output Mixer", "HiFi Playback Switch", "DAC"},
Cliff Caib7138212008-09-05 18:09:57 +0800160
Cliff Caib7138212008-09-05 18:09:57 +0800161 {"ROUT", NULL, "Output Mixer"},
Cliff Caib7138212008-09-05 18:09:57 +0800162 {"LOUT", NULL, "Output Mixer"},
163
Lars-Peter Clausenb1f7b2b2011-05-08 09:24:43 -0700164 {"Line Input", NULL, "LLINEIN"},
165 {"Line Input", NULL, "RLINEIN"},
166};
167
168static const struct snd_soc_dapm_route ssm2602_routes[] = {
169 {"Output Mixer", "Mic Sidetone Switch", "Mic Bias"},
170
171 {"RHPOUT", NULL, "Output Mixer"},
172 {"LHPOUT", NULL, "Output Mixer"},
173
Cliff Caib7138212008-09-05 18:09:57 +0800174 {"Input Mux", "Line", "Line Input"},
175 {"Input Mux", "Mic", "Mic Bias"},
176 {"ADC", NULL, "Input Mux"},
177
Cliff Caib7138212008-09-05 18:09:57 +0800178 {"Mic Bias", NULL, "MICIN"},
179};
180
Lars-Peter Clausenb1f7b2b2011-05-08 09:24:43 -0700181static const struct snd_soc_dapm_route ssm2604_routes[] = {
182 {"ADC", NULL, "Line Input"},
183};
Cliff Caib7138212008-09-05 18:09:57 +0800184
Lars-Peter Clausen8b3f39d2012-04-25 11:42:46 +0200185static const unsigned int ssm2602_rates_12288000[] = {
Andreas Pretzsch7ae2b552014-01-07 22:34:41 +0100186 8000, 16000, 32000, 48000, 96000,
Lars-Peter Clausen8b3f39d2012-04-25 11:42:46 +0200187};
188
Lars-Peter Clausenf75ac2d2014-02-05 21:54:33 +0100189static const struct snd_pcm_hw_constraint_list ssm2602_constraints_12288000 = {
Lars-Peter Clausen8b3f39d2012-04-25 11:42:46 +0200190 .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
Lars-Peter Clausenf75ac2d2014-02-05 21:54:33 +0100198static const struct snd_pcm_hw_constraint_list ssm2602_constraints_11289600 = {
Lars-Peter Clausen8b3f39d2012-04-25 11:42:46 +0200199 .list = ssm2602_rates_11289600,
200 .count = ARRAY_SIZE(ssm2602_rates_11289600),
201};
202
Lars-Peter Clausen0b4cd2e2011-05-05 16:59:10 +0200203struct ssm2602_coeff {
Cliff Caib7138212008-09-05 18:09:57 +0800204 u32 mclk;
205 u32 rate;
Lars-Peter Clausen0b4cd2e2011-05-05 16:59:10 +0200206 u8 srate;
Cliff Caib7138212008-09-05 18:09:57 +0800207};
208
Lars-Peter Clausen0b4cd2e2011-05-05 16:59:10 +0200209#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[] = {
Cliff Caib7138212008-09-05 18:09:57 +0800213 /* 48k */
Lars-Peter Clausen0b4cd2e2011-05-05 16:59:10 +0200214 {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)},
Cliff Caib7138212008-09-05 18:09:57 +0800217
218 /* 32k */
Lars-Peter Clausen0b4cd2e2011-05-05 16:59:10 +0200219 {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)},
Cliff Caib7138212008-09-05 18:09:57 +0800222
Andreas Pretzsch7ae2b552014-01-07 22:34:41 +0100223 /* 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
Cliff Caib7138212008-09-05 18:09:57 +0800228 /* 8k */
Lars-Peter Clausen0b4cd2e2011-05-05 16:59:10 +0200229 {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)},
Cliff Caib7138212008-09-05 18:09:57 +0800234
235 /* 96k */
Lars-Peter Clausen0b4cd2e2011-05-05 16:59:10 +0200236 {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)},
Cliff Caib7138212008-09-05 18:09:57 +0800239
240 /* 44.1k */
Lars-Peter Clausen0b4cd2e2011-05-05 16:59:10 +0200241 {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)},
Cliff Caib7138212008-09-05 18:09:57 +0800244
245 /* 88.2k */
Lars-Peter Clausen0b4cd2e2011-05-05 16:59:10 +0200246 {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)},
Cliff Caib7138212008-09-05 18:09:57 +0800249};
250
Lars-Peter Clausen0b4cd2e2011-05-05 16:59:10 +0200251static inline int ssm2602_get_coeff(int mclk, int rate)
Cliff Caib7138212008-09-05 18:09:57 +0800252{
253 int i;
254
Lars-Peter Clausen0b4cd2e2011-05-05 16:59:10 +0200255 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;
Cliff Caib7138212008-09-05 18:09:57 +0800259 }
Lars-Peter Clausen0b4cd2e2011-05-05 16:59:10 +0200260 return -EINVAL;
Cliff Caib7138212008-09-05 18:09:57 +0800261}
262
263static int ssm2602_hw_params(struct snd_pcm_substream *substream,
Mark Browndee89c42008-11-18 22:11:38 +0000264 struct snd_pcm_hw_params *params,
265 struct snd_soc_dai *dai)
Cliff Caib7138212008-09-05 18:09:57 +0800266{
Mark Browne6968a12012-04-04 15:58:16 +0100267 struct snd_soc_codec *codec = dai->codec;
Mark Brownb2c812e2010-04-14 15:35:19 +0900268 struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
Lars-Peter Clausen0b4cd2e2011-05-05 16:59:10 +0200269 int srate = ssm2602_get_coeff(ssm2602->sysclk, params_rate(params));
Lars-Peter Clausenbec3d9a2012-04-25 11:42:48 +0200270 unsigned int iface;
Cliff Caib7138212008-09-05 18:09:57 +0800271
Lars-Peter Clausen0b4cd2e2011-05-05 16:59:10 +0200272 if (srate < 0)
273 return srate;
Cliff Caib7138212008-09-05 18:09:57 +0800274
Lars-Peter Clausenbec3d9a2012-04-25 11:42:48 +0200275 regmap_write(ssm2602->regmap, SSM2602_SRATE, srate);
Cliff Caib7138212008-09-05 18:09:57 +0800276
277 /* bit size */
Mark Brown00a37032014-07-31 12:47:13 +0100278 switch (params_width(params)) {
279 case 16:
Lars-Peter Clausenbec3d9a2012-04-25 11:42:48 +0200280 iface = 0x0;
Cliff Caib7138212008-09-05 18:09:57 +0800281 break;
Mark Brown00a37032014-07-31 12:47:13 +0100282 case 20:
Lars-Peter Clausenbec3d9a2012-04-25 11:42:48 +0200283 iface = 0x4;
Cliff Caib7138212008-09-05 18:09:57 +0800284 break;
Mark Brown00a37032014-07-31 12:47:13 +0100285 case 24:
Lars-Peter Clausenbec3d9a2012-04-25 11:42:48 +0200286 iface = 0x8;
Cliff Caib7138212008-09-05 18:09:57 +0800287 break;
Mark Brown00a37032014-07-31 12:47:13 +0100288 case 32:
Lars-Peter Clausenbec3d9a2012-04-25 11:42:48 +0200289 iface = 0xc;
Cliff Caib7138212008-09-05 18:09:57 +0800290 break;
Lars-Peter Clausenbec3d9a2012-04-25 11:42:48 +0200291 default:
292 return -EINVAL;
Cliff Caib7138212008-09-05 18:09:57 +0800293 }
Lars-Peter Clausenbec3d9a2012-04-25 11:42:48 +0200294 regmap_update_bits(ssm2602->regmap, SSM2602_IFACE,
295 IFACE_AUDIO_DATA_LEN, iface);
Cliff Caib7138212008-09-05 18:09:57 +0800296 return 0;
297}
298
Mark Browndee89c42008-11-18 22:11:38 +0000299static int ssm2602_startup(struct snd_pcm_substream *substream,
300 struct snd_soc_dai *dai)
Cliff Caib7138212008-09-05 18:09:57 +0800301{
Mark Browne6968a12012-04-04 15:58:16 +0100302 struct snd_soc_codec *codec = dai->codec;
Mark Brownb2c812e2010-04-14 15:35:19 +0900303 struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
Cliff Caib7138212008-09-05 18:09:57 +0800304
Lars-Peter Clausen8b3f39d2012-04-25 11:42:46 +0200305 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
Cliff Caib7138212008-09-05 18:09:57 +0800311 return 0;
312}
313
Cliff Caib7138212008-09-05 18:09:57 +0800314static int ssm2602_mute(struct snd_soc_dai *dai, int mute)
315{
Lars-Peter Clausenbec3d9a2012-04-25 11:42:48 +0200316 struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(dai->codec);
Axel Lin2ee9c182011-10-19 14:07:31 +0800317
Cliff Caib7138212008-09-05 18:09:57 +0800318 if (mute)
Lars-Peter Clausenbec3d9a2012-04-25 11:42:48 +0200319 regmap_update_bits(ssm2602->regmap, SSM2602_APDIGI,
Axel Lin2ee9c182011-10-19 14:07:31 +0800320 APDIGI_ENABLE_DAC_MUTE,
321 APDIGI_ENABLE_DAC_MUTE);
Cliff Caib7138212008-09-05 18:09:57 +0800322 else
Lars-Peter Clausenbec3d9a2012-04-25 11:42:48 +0200323 regmap_update_bits(ssm2602->regmap, SSM2602_APDIGI,
Axel Lin2ee9c182011-10-19 14:07:31 +0800324 APDIGI_ENABLE_DAC_MUTE, 0);
Cliff Caib7138212008-09-05 18:09:57 +0800325 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;
Mark Brownb2c812e2010-04-14 15:35:19 +0900332 struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
Lars-Peter Clausen02890532011-09-27 11:08:48 +0200333
334 if (dir == SND_SOC_CLOCK_IN) {
335 if (clk_id != SSM2602_SYSCLK)
336 return -EINVAL;
337
338 switch (freq) {
Lars-Peter Clausen02890532011-09-27 11:08:48 +0200339 case 12288000:
Lars-Peter Clausen02890532011-09-27 11:08:48 +0200340 case 18432000:
Lars-Peter Clausen8b3f39d2012-04-25 11:42:46 +0200341 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;
Lars-Peter Clausen02890532011-09-27 11:08:48 +0200349 break;
350 default:
351 return -EINVAL;
352 }
Lars-Peter Clausen8b3f39d2012-04-25 11:42:46 +0200353 ssm2602->sysclk = freq;
Lars-Peter Clausen02890532011-09-27 11:08:48 +0200354 } 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
Lars-Peter Clausenbec3d9a2012-04-25 11:42:48 +0200373 regmap_update_bits(ssm2602->regmap, SSM2602_PWR,
Lars-Peter Clausen02890532011-09-27 11:08:48 +0200374 PWR_CLK_OUT_PDN | PWR_OSC_PDN, ssm2602->clk_out_pwr);
Cliff Caib7138212008-09-05 18:09:57 +0800375 }
Lars-Peter Clausen02890532011-09-27 11:08:48 +0200376
377 return 0;
Cliff Caib7138212008-09-05 18:09:57 +0800378}
379
380static int ssm2602_set_dai_fmt(struct snd_soc_dai *codec_dai,
381 unsigned int fmt)
382{
Lars-Peter Clausenbec3d9a2012-04-25 11:42:48 +0200383 struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec_dai->codec);
384 unsigned int iface = 0;
Cliff Caib7138212008-09-05 18:09:57 +0800385
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:
Jarkko Nikulac6913482008-12-22 10:57:33 +0200408 iface |= 0x0013;
Cliff Caib7138212008-09-05 18:09:57 +0800409 break;
410 case SND_SOC_DAIFMT_DSP_B:
Jarkko Nikulac6913482008-12-22 10:57:33 +0200411 iface |= 0x0003;
Cliff Caib7138212008-09-05 18:09:57 +0800412 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 */
Lars-Peter Clausenbec3d9a2012-04-25 11:42:48 +0200435 regmap_write(ssm2602->regmap, SSM2602_IFACE, iface);
Cliff Caib7138212008-09-05 18:09:57 +0800436 return 0;
437}
438
439static int ssm2602_set_bias_level(struct snd_soc_codec *codec,
440 enum snd_soc_bias_level level)
441{
Lars-Peter Clausen02890532011-09-27 11:08:48 +0200442 struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
Cliff Caib7138212008-09-05 18:09:57 +0800443
444 switch (level) {
445 case SND_SOC_BIAS_ON:
Lars-Peter Clausen02890532011-09-27 11:08:48 +0200446 /* vref/mid on, osc and clkout on if enabled */
Lars-Peter Clausenbec3d9a2012-04-25 11:42:48 +0200447 regmap_update_bits(ssm2602->regmap, SSM2602_PWR,
Lars-Peter Clausen02890532011-09-27 11:08:48 +0200448 PWR_POWER_OFF | PWR_CLK_OUT_PDN | PWR_OSC_PDN,
449 ssm2602->clk_out_pwr);
Cliff Caib7138212008-09-05 18:09:57 +0800450 break;
451 case SND_SOC_BIAS_PREPARE:
452 break;
453 case SND_SOC_BIAS_STANDBY:
454 /* everything off except vref/vmid, */
Lars-Peter Clausenbec3d9a2012-04-25 11:42:48 +0200455 regmap_update_bits(ssm2602->regmap, SSM2602_PWR,
Lars-Peter Clausen02890532011-09-27 11:08:48 +0200456 PWR_POWER_OFF | PWR_CLK_OUT_PDN | PWR_OSC_PDN,
457 PWR_CLK_OUT_PDN | PWR_OSC_PDN);
Cliff Caib7138212008-09-05 18:09:57 +0800458 break;
459 case SND_SOC_BIAS_OFF:
Lars-Peter Clausen02890532011-09-27 11:08:48 +0200460 /* everything off */
Lars-Peter Clausenbec3d9a2012-04-25 11:42:48 +0200461 regmap_update_bits(ssm2602->regmap, SSM2602_PWR,
Lars-Peter Clausen02890532011-09-27 11:08:48 +0200462 PWR_POWER_OFF, PWR_POWER_OFF);
Cliff Caib7138212008-09-05 18:09:57 +0800463 break;
464
465 }
Liam Girdwoodce6120c2010-11-05 15:53:46 +0200466 codec->dapm.bias_level = level;
Cliff Caib7138212008-09-05 18:09:57 +0800467 return 0;
468}
469
Andreas Pretzsch7ae2b552014-01-07 22:34:41 +0100470#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)
Cliff Caib7138212008-09-05 18:09:57 +0800474
Karl Beldan5de27b62008-11-20 15:39:31 +0100475#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
Lars-Peter Clausen85e76522011-11-23 11:40:40 +0100478static const struct snd_soc_dai_ops ssm2602_dai_ops = {
Eric Miao6335d052009-03-03 09:41:00 +0800479 .startup = ssm2602_startup,
Eric Miao6335d052009-03-03 09:41:00 +0800480 .hw_params = ssm2602_hw_params,
Eric Miao6335d052009-03-03 09:41:00 +0800481 .digital_mute = ssm2602_mute,
482 .set_sysclk = ssm2602_set_dai_sysclk,
483 .set_fmt = ssm2602_set_dai_fmt,
484};
485
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000486static struct snd_soc_dai_driver ssm2602_dai = {
487 .name = "ssm2602-hifi",
Cliff Caib7138212008-09-05 18:09:57 +0800488 .playback = {
489 .stream_name = "Playback",
490 .channels_min = 2,
491 .channels_max = 2,
492 .rates = SSM2602_RATES,
Karl Beldan5de27b62008-11-20 15:39:31 +0100493 .formats = SSM2602_FORMATS,},
Cliff Caib7138212008-09-05 18:09:57 +0800494 .capture = {
495 .stream_name = "Capture",
496 .channels_min = 2,
497 .channels_max = 2,
498 .rates = SSM2602_RATES,
Karl Beldan5de27b62008-11-20 15:39:31 +0100499 .formats = SSM2602_FORMATS,},
Eric Miao6335d052009-03-03 09:41:00 +0800500 .ops = &ssm2602_dai_ops,
Lars-Peter Clausena010ff62013-12-02 21:26:22 +0100501 .symmetric_rates = 1,
502 .symmetric_samplebits = 1,
Cliff Caib7138212008-09-05 18:09:57 +0800503};
Cliff Caib7138212008-09-05 18:09:57 +0800504
Lars-Peter Clausen84b315e2011-12-02 10:18:28 +0100505static int ssm2602_suspend(struct snd_soc_codec *codec)
Cliff Caib7138212008-09-05 18:09:57 +0800506{
Cliff Caib7138212008-09-05 18:09:57 +0800507 ssm2602_set_bias_level(codec, SND_SOC_BIAS_OFF);
508 return 0;
509}
510
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000511static int ssm2602_resume(struct snd_soc_codec *codec)
Cliff Caib7138212008-09-05 18:09:57 +0800512{
Lars-Peter Clausen9d863b882013-08-31 18:15:23 +0200513 struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
Cliff Caib7138212008-09-05 18:09:57 +0800514
Lars-Peter Clausen9d863b882013-08-31 18:15:23 +0200515 regcache_sync(ssm2602->regmap);
Cliff Caib7138212008-09-05 18:09:57 +0800516 ssm2602_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
Cliff Cai93547e82011-03-27 17:22:57 -0400517
Cliff Caib7138212008-09-05 18:09:57 +0800518 return 0;
519}
520
Lars-Peter Clausenc924dc62014-02-17 13:16:53 +0100521static int ssm2602_codec_probe(struct snd_soc_codec *codec)
Cliff Caib7138212008-09-05 18:09:57 +0800522{
Lars-Peter Clausenbec3d9a2012-04-25 11:42:48 +0200523 struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
Lars-Peter Clausenb1f7b2b2011-05-08 09:24:43 -0700524 struct snd_soc_dapm_context *dapm = &codec->dapm;
Axel Lin2ee9c182011-10-19 14:07:31 +0800525 int ret;
Lars-Peter Clausenb1f7b2b2011-05-08 09:24:43 -0700526
Lars-Peter Clausenbec3d9a2012-04-25 11:42:48 +0200527 regmap_update_bits(ssm2602->regmap, SSM2602_LOUT1V,
Axel Lin2ee9c182011-10-19 14:07:31 +0800528 LOUT1V_LRHP_BOTH, LOUT1V_LRHP_BOTH);
Lars-Peter Clausenbec3d9a2012-04-25 11:42:48 +0200529 regmap_update_bits(ssm2602->regmap, SSM2602_ROUT1V,
Axel Lin2ee9c182011-10-19 14:07:31 +0800530 ROUT1V_RLHP_BOTH, ROUT1V_RLHP_BOTH);
Lars-Peter Clausenb1f7b2b2011-05-08 09:24:43 -0700531
Liam Girdwood022658b2012-02-03 17:43:09 +0000532 ret = snd_soc_add_codec_controls(codec, ssm2602_snd_controls,
Lars-Peter Clausenb1f7b2b2011-05-08 09:24:43 -0700533 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
Lars-Peter Clausenc924dc62014-02-17 13:16:53 +0100546static int ssm2604_codec_probe(struct snd_soc_codec *codec)
Lars-Peter Clausenb1f7b2b2011-05-08 09:24:43 -0700547{
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
Lars-Peter Clausenc924dc62014-02-17 13:16:53 +0100560static int ssm260x_codec_probe(struct snd_soc_codec *codec)
Lars-Peter Clausenb1f7b2b2011-05-08 09:24:43 -0700561{
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000562 struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
Axel Lin2ee9c182011-10-19 14:07:31 +0800563 int ret;
Cliff Caib7138212008-09-05 18:09:57 +0800564
Lars-Peter Clausenbec3d9a2012-04-25 11:42:48 +0200565 ret = regmap_write(ssm2602->regmap, SSM2602_RESET, 0);
Cliff Cai93547e82011-03-27 17:22:57 -0400566 if (ret < 0) {
567 dev_err(codec->dev, "Failed to issue reset: %d\n", ret);
568 return ret;
569 }
Cliff Caib7138212008-09-05 18:09:57 +0800570
Cliff Caib7138212008-09-05 18:09:57 +0800571 /* set the update bits */
Lars-Peter Clausenbec3d9a2012-04-25 11:42:48 +0200572 regmap_update_bits(ssm2602->regmap, SSM2602_LINVOL,
Axel Lin2ee9c182011-10-19 14:07:31 +0800573 LINVOL_LRIN_BOTH, LINVOL_LRIN_BOTH);
Lars-Peter Clausenbec3d9a2012-04-25 11:42:48 +0200574 regmap_update_bits(ssm2602->regmap, SSM2602_RINVOL,
Axel Lin2ee9c182011-10-19 14:07:31 +0800575 RINVOL_RLIN_BOTH, RINVOL_RLIN_BOTH);
Cliff Caib7138212008-09-05 18:09:57 +0800576 /*select Line in as default input*/
Lars-Peter Clausenbec3d9a2012-04-25 11:42:48 +0200577 regmap_write(ssm2602->regmap, SSM2602_APANA, APANA_SELECT_DAC |
Cliff Caib7138212008-09-05 18:09:57 +0800578 APANA_ENABLE_MIC_BOOST);
Cliff Caib7138212008-09-05 18:09:57 +0800579
Lars-Peter Clausenb1f7b2b2011-05-08 09:24:43 -0700580 switch (ssm2602->type) {
581 case SSM2602:
Lars-Peter Clausenc924dc62014-02-17 13:16:53 +0100582 ret = ssm2602_codec_probe(codec);
Lars-Peter Clausenb1f7b2b2011-05-08 09:24:43 -0700583 break;
584 case SSM2604:
Lars-Peter Clausenc924dc62014-02-17 13:16:53 +0100585 ret = ssm2604_codec_probe(codec);
Lars-Peter Clausenb1f7b2b2011-05-08 09:24:43 -0700586 break;
587 }
Cliff Caib7138212008-09-05 18:09:57 +0800588
Lars-Peter Clausena9d19742011-09-27 11:08:47 +0200589 if (ret)
590 return ret;
591
592 ssm2602_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
593
594 return 0;
Cliff Caib7138212008-09-05 18:09:57 +0800595}
596
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000597/* 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;
602}
603
604static struct snd_soc_codec_driver soc_codec_dev_ssm2602 = {
Lars-Peter Clausenc924dc62014-02-17 13:16:53 +0100605 .probe = ssm260x_codec_probe,
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000606 .remove = ssm2602_remove,
607 .suspend = ssm2602_suspend,
608 .resume = ssm2602_resume,
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000609 .set_bias_level = ssm2602_set_bias_level,
Lars-Peter Clausenb1f7b2b2011-05-08 09:24:43 -0700610
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),
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000617};
Cliff Caib7138212008-09-05 18:09:57 +0800618
Lars-Peter Clausenbec3d9a2012-04-25 11:42:48 +0200619static bool ssm2602_register_volatile(struct device *dev, unsigned int reg)
620{
621 return reg == SSM2602_RESET;
622}
623
Lars-Peter Clausenc924dc62014-02-17 13:16:53 +0100624const struct regmap_config ssm2602_regmap_config = {
Lars-Peter Clausenbec3d9a2012-04-25 11:42:48 +0200625 .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};
Lars-Peter Clausenc924dc62014-02-17 13:16:53 +0100635EXPORT_SYMBOL_GPL(ssm2602_regmap_config);
Lars-Peter Clausenbec3d9a2012-04-25 11:42:48 +0200636
Lars-Peter Clausenc924dc62014-02-17 13:16:53 +0100637int ssm2602_probe(struct device *dev, enum ssm2602_type type,
638 struct regmap *regmap)
Mike Frysingerb39e2852011-04-07 02:05:11 -0400639{
640 struct ssm2602_priv *ssm2602;
Mike Frysingerb39e2852011-04-07 02:05:11 -0400641
Lars-Peter Clausenc924dc62014-02-17 13:16:53 +0100642 if (IS_ERR(regmap))
643 return PTR_ERR(regmap);
644
645 ssm2602 = devm_kzalloc(dev, sizeof(*ssm2602), GFP_KERNEL);
Mike Frysingerb39e2852011-04-07 02:05:11 -0400646 if (ssm2602 == NULL)
647 return -ENOMEM;
648
Lars-Peter Clausenc924dc62014-02-17 13:16:53 +0100649 dev_set_drvdata(dev, ssm2602);
Lars-Peter Clausenb1f7b2b2011-05-08 09:24:43 -0700650 ssm2602->type = SSM2602;
Lars-Peter Clausenc924dc62014-02-17 13:16:53 +0100651 ssm2602->regmap = regmap;
Mike Frysingerb39e2852011-04-07 02:05:11 -0400652
Lars-Peter Clausenc924dc62014-02-17 13:16:53 +0100653 return snd_soc_register_codec(dev, &soc_codec_dev_ssm2602,
654 &ssm2602_dai, 1);
Mike Frysingerb39e2852011-04-07 02:05:11 -0400655}
Lars-Peter Clausenc924dc62014-02-17 13:16:53 +0100656EXPORT_SYMBOL_GPL(ssm2602_probe);
Mark Brown64089b82008-12-08 19:17:58 +0000657
Lars-Peter Clausen7dcf2762011-05-08 09:24:44 -0700658MODULE_DESCRIPTION("ASoC SSM2602/SSM2603/SSM2604 driver");
Cliff Caib7138212008-09-05 18:09:57 +0800659MODULE_AUTHOR("Cliff Cai");
660MODULE_LICENSE("GPL");