Kuninori Morimoto | fe209b9 | 2018-07-30 07:51:41 +0000 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | // |
| 3 | // ak4642.c -- AK4642/AK4643 ALSA Soc Audio driver |
| 4 | // |
| 5 | // Copyright (C) 2009 Renesas Solutions Corp. |
| 6 | // Kuninori Morimoto <morimoto.kuninori@renesas.com> |
| 7 | // |
| 8 | // Based on wm8731.c by Richard Purdie |
| 9 | // Based on ak4535.c by Richard Purdie |
| 10 | // Based on wm8753.c by Liam Girdwood |
Kuninori Morimoto | a3a83d9 | 2009-08-21 10:23:41 +0900 | [diff] [blame] | 11 | |
| 12 | /* ** CAUTION ** |
| 13 | * |
| 14 | * This is very simple driver. |
| 15 | * It can use headphone output / stereo input only |
| 16 | * |
Kuninori Morimoto | 2021139 | 2011-11-06 22:04:53 -0800 | [diff] [blame] | 17 | * AK4642 is tested. |
Kuninori Morimoto | a3a83d9 | 2009-08-21 10:23:41 +0900 | [diff] [blame] | 18 | * AK4643 is tested. |
Kuninori Morimoto | a9317e8 | 2011-11-10 16:22:05 -0800 | [diff] [blame] | 19 | * AK4648 is tested. |
Kuninori Morimoto | a3a83d9 | 2009-08-21 10:23:41 +0900 | [diff] [blame] | 20 | */ |
| 21 | |
Kuninori Morimoto | 171a013 | 2015-09-10 06:40:19 +0000 | [diff] [blame] | 22 | #include <linux/clk.h> |
| 23 | #include <linux/clk-provider.h> |
Kuninori Morimoto | a3a83d9 | 2009-08-21 10:23:41 +0900 | [diff] [blame] | 24 | #include <linux/delay.h> |
Kuninori Morimoto | a3a83d9 | 2009-08-21 10:23:41 +0900 | [diff] [blame] | 25 | #include <linux/i2c.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 26 | #include <linux/slab.h> |
Kuninori Morimoto | bbf1453 | 2013-01-10 00:29:11 -0800 | [diff] [blame] | 27 | #include <linux/of_device.h> |
Paul Gortmaker | da155d5 | 2011-07-15 12:38:28 -0400 | [diff] [blame] | 28 | #include <linux/module.h> |
Mark Brown | 4574cd9 | 2013-11-28 18:03:49 +0000 | [diff] [blame] | 29 | #include <linux/regmap.h> |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 30 | #include <sound/soc.h> |
Kuninori Morimoto | a3a83d9 | 2009-08-21 10:23:41 +0900 | [diff] [blame] | 31 | #include <sound/initval.h> |
Kuninori Morimoto | a300de3 | 2010-07-01 14:23:45 +0900 | [diff] [blame] | 32 | #include <sound/tlv.h> |
Kuninori Morimoto | a3a83d9 | 2009-08-21 10:23:41 +0900 | [diff] [blame] | 33 | |
Kuninori Morimoto | a3a83d9 | 2009-08-21 10:23:41 +0900 | [diff] [blame] | 34 | #define PW_MGMT1 0x00 |
| 35 | #define PW_MGMT2 0x01 |
| 36 | #define SG_SL1 0x02 |
| 37 | #define SG_SL2 0x03 |
| 38 | #define MD_CTL1 0x04 |
| 39 | #define MD_CTL2 0x05 |
| 40 | #define TIMER 0x06 |
| 41 | #define ALC_CTL1 0x07 |
| 42 | #define ALC_CTL2 0x08 |
| 43 | #define L_IVC 0x09 |
| 44 | #define L_DVC 0x0a |
| 45 | #define ALC_CTL3 0x0b |
| 46 | #define R_IVC 0x0c |
| 47 | #define R_DVC 0x0d |
| 48 | #define MD_CTL3 0x0e |
| 49 | #define MD_CTL4 0x0f |
| 50 | #define PW_MGMT3 0x10 |
| 51 | #define DF_S 0x11 |
| 52 | #define FIL3_0 0x12 |
| 53 | #define FIL3_1 0x13 |
| 54 | #define FIL3_2 0x14 |
| 55 | #define FIL3_3 0x15 |
| 56 | #define EQ_0 0x16 |
| 57 | #define EQ_1 0x17 |
| 58 | #define EQ_2 0x18 |
| 59 | #define EQ_3 0x19 |
| 60 | #define EQ_4 0x1a |
| 61 | #define EQ_5 0x1b |
| 62 | #define FIL1_0 0x1c |
| 63 | #define FIL1_1 0x1d |
| 64 | #define FIL1_2 0x1e |
Axel Lin | f8ea6ce | 2015-07-01 00:56:36 +0800 | [diff] [blame] | 65 | #define FIL1_3 0x1f /* The maximum valid register for ak4642 */ |
Kuninori Morimoto | a3a83d9 | 2009-08-21 10:23:41 +0900 | [diff] [blame] | 66 | #define PW_MGMT4 0x20 |
| 67 | #define MD_CTL5 0x21 |
| 68 | #define LO_MS 0x22 |
| 69 | #define HP_MS 0x23 |
Axel Lin | f8ea6ce | 2015-07-01 00:56:36 +0800 | [diff] [blame] | 70 | #define SPK_MS 0x24 /* The maximum valid register for ak4643 */ |
| 71 | #define EQ_FBEQAB 0x25 |
| 72 | #define EQ_FBEQCD 0x26 |
| 73 | #define EQ_FBEQE 0x27 /* The maximum valid register for ak4648 */ |
Kuninori Morimoto | a3a83d9 | 2009-08-21 10:23:41 +0900 | [diff] [blame] | 74 | |
Kuninori Morimoto | a347123 | 2010-10-15 14:23:18 +0900 | [diff] [blame] | 75 | /* PW_MGMT1*/ |
| 76 | #define PMVCM (1 << 6) /* VCOM Power Management */ |
| 77 | #define PMMIN (1 << 5) /* MIN Input Power Management */ |
| 78 | #define PMDAC (1 << 2) /* DAC Power Management */ |
| 79 | #define PMADL (1 << 0) /* MIC Amp Lch and ADC Lch Power Management */ |
| 80 | |
Kuninori Morimoto | 0643ce8 | 2010-03-15 18:10:50 +0900 | [diff] [blame] | 81 | /* PW_MGMT2 */ |
| 82 | #define HPMTN (1 << 6) |
| 83 | #define PMHPL (1 << 5) |
| 84 | #define PMHPR (1 << 4) |
| 85 | #define MS (1 << 3) /* master/slave select */ |
| 86 | #define MCKO (1 << 1) |
| 87 | #define PMPLL (1 << 0) |
| 88 | |
| 89 | #define PMHP_MASK (PMHPL | PMHPR) |
| 90 | #define PMHP PMHP_MASK |
| 91 | |
Kuninori Morimoto | a347123 | 2010-10-15 14:23:18 +0900 | [diff] [blame] | 92 | /* PW_MGMT3 */ |
| 93 | #define PMADR (1 << 0) /* MIC L / ADC R Power Management */ |
| 94 | |
| 95 | /* SG_SL1 */ |
| 96 | #define MINS (1 << 6) /* Switch from MIN to Speaker */ |
| 97 | #define DACL (1 << 4) /* Switch from DAC to Stereo or Receiver */ |
| 98 | #define PMMP (1 << 2) /* MPWR pin Power Management */ |
| 99 | #define MGAIN0 (1 << 0) /* MIC amp gain*/ |
| 100 | |
Takeshi Kihara | 39c2618 | 2015-03-24 05:15:22 +0000 | [diff] [blame] | 101 | /* SG_SL2 */ |
| 102 | #define LOPS (1 << 6) /* Stero Line-out Power Save Mode */ |
| 103 | |
Kuninori Morimoto | a347123 | 2010-10-15 14:23:18 +0900 | [diff] [blame] | 104 | /* TIMER */ |
Sascha Hauer | da73184 | 2014-05-14 09:37:33 +0200 | [diff] [blame] | 105 | #define ZTM(param) ((param & 0x3) << 4) /* ALC Zero Crossing TimeOut */ |
Kuninori Morimoto | a347123 | 2010-10-15 14:23:18 +0900 | [diff] [blame] | 106 | #define WTM(param) (((param & 0x4) << 4) | ((param & 0x3) << 2)) |
| 107 | |
| 108 | /* ALC_CTL1 */ |
| 109 | #define ALC (1 << 5) /* ALC Enable */ |
| 110 | #define LMTH0 (1 << 0) /* ALC Limiter / Recovery Level */ |
| 111 | |
Kuninori Morimoto | 4b6316b | 2010-03-23 16:27:28 +0900 | [diff] [blame] | 112 | /* MD_CTL1 */ |
| 113 | #define PLL3 (1 << 7) |
| 114 | #define PLL2 (1 << 6) |
| 115 | #define PLL1 (1 << 5) |
| 116 | #define PLL0 (1 << 4) |
| 117 | #define PLL_MASK (PLL3 | PLL2 | PLL1 | PLL0) |
| 118 | |
Kuninori Morimoto | 0643ce8 | 2010-03-15 18:10:50 +0900 | [diff] [blame] | 119 | #define BCKO_MASK (1 << 3) |
| 120 | #define BCKO_64 BCKO_MASK |
| 121 | |
Kuninori Morimoto | cb9c130 | 2011-01-20 11:45:34 +0900 | [diff] [blame] | 122 | #define DIF_MASK (3 << 0) |
| 123 | #define DSP (0 << 0) |
| 124 | #define RIGHT_J (1 << 0) |
| 125 | #define LEFT_J (2 << 0) |
| 126 | #define I2S (3 << 0) |
| 127 | |
Kuninori Morimoto | 1ad747c | 2010-03-23 16:27:38 +0900 | [diff] [blame] | 128 | /* MD_CTL2 */ |
Kuninori Morimoto | 544637b | 2015-09-15 02:42:42 +0000 | [diff] [blame] | 129 | #define FSs(val) (((val & 0x7) << 0) | ((val & 0x8) << 2)) |
| 130 | #define PSs(val) ((val & 0x3) << 6) |
Kuninori Morimoto | 1ad747c | 2010-03-23 16:27:38 +0900 | [diff] [blame] | 131 | |
Kuninori Morimoto | a347123 | 2010-10-15 14:23:18 +0900 | [diff] [blame] | 132 | /* MD_CTL3 */ |
| 133 | #define BST1 (1 << 3) |
| 134 | |
| 135 | /* MD_CTL4 */ |
| 136 | #define DACH (1 << 0) |
Kuninori Morimoto | a3a83d9 | 2009-08-21 10:23:41 +0900 | [diff] [blame] | 137 | |
Sascha Hauer | d815c70 | 2014-05-14 09:37:35 +0200 | [diff] [blame] | 138 | struct ak4642_drvdata { |
| 139 | const struct regmap_config *regmap_config; |
Sascha Hauer | 5cd15e2 | 2014-05-14 09:37:36 +0200 | [diff] [blame] | 140 | int extended_frequencies; |
Sascha Hauer | d815c70 | 2014-05-14 09:37:35 +0200 | [diff] [blame] | 141 | }; |
| 142 | |
| 143 | struct ak4642_priv { |
| 144 | const struct ak4642_drvdata *drvdata; |
Kuninori Morimoto | 171a013 | 2015-09-10 06:40:19 +0000 | [diff] [blame] | 145 | struct clk *mcko; |
Sascha Hauer | d815c70 | 2014-05-14 09:37:35 +0200 | [diff] [blame] | 146 | }; |
| 147 | |
Kuninori Morimoto | a300de3 | 2010-07-01 14:23:45 +0900 | [diff] [blame] | 148 | /* |
| 149 | * Playback Volume (table 39) |
| 150 | * |
| 151 | * max : 0x00 : +12.0 dB |
| 152 | * ( 0.5 dB step ) |
| 153 | * min : 0xFE : -115.0 dB |
| 154 | * mute: 0xFF |
| 155 | */ |
Kuninori Morimoto | 1f99e44 | 2012-04-04 23:28:01 -0700 | [diff] [blame] | 156 | static const DECLARE_TLV_DB_SCALE(out_tlv, -11550, 50, 1); |
Kuninori Morimoto | a300de3 | 2010-07-01 14:23:45 +0900 | [diff] [blame] | 157 | |
| 158 | static const struct snd_kcontrol_new ak4642_snd_controls[] = { |
| 159 | |
| 160 | SOC_DOUBLE_R_TLV("Digital Playback Volume", L_DVC, R_DVC, |
| 161 | 0, 0xFF, 1, out_tlv), |
Sascha Hauer | 370f83a | 2014-05-14 09:37:34 +0200 | [diff] [blame] | 162 | SOC_SINGLE("ALC Capture Switch", ALC_CTL1, 5, 1, 0), |
| 163 | SOC_SINGLE("ALC Capture ZC Switch", ALC_CTL1, 4, 1, 1), |
Kuninori Morimoto | a300de3 | 2010-07-01 14:23:45 +0900 | [diff] [blame] | 164 | }; |
| 165 | |
Kuninori Morimoto | e555cf3 | 2012-02-20 20:14:16 -0800 | [diff] [blame] | 166 | static const struct snd_kcontrol_new ak4642_headphone_control = |
| 167 | SOC_DAPM_SINGLE("Switch", PW_MGMT2, 6, 1, 0); |
Kuninori Morimoto | 24747da | 2011-11-10 16:21:31 -0800 | [diff] [blame] | 168 | |
Kuninori Morimoto | e8c83db | 2011-11-10 16:21:55 -0800 | [diff] [blame] | 169 | static const struct snd_kcontrol_new ak4642_lout_mixer_controls[] = { |
| 170 | SOC_DAPM_SINGLE("DACL", SG_SL1, 4, 1, 0), |
| 171 | }; |
| 172 | |
Takeshi Kihara | 39c2618 | 2015-03-24 05:15:22 +0000 | [diff] [blame] | 173 | /* event handlers */ |
| 174 | static int ak4642_lout_event(struct snd_soc_dapm_widget *w, |
| 175 | struct snd_kcontrol *kcontrol, int event) |
| 176 | { |
Kuninori Morimoto | 43c5d0f | 2018-01-29 03:13:07 +0000 | [diff] [blame] | 177 | struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); |
Takeshi Kihara | 39c2618 | 2015-03-24 05:15:22 +0000 | [diff] [blame] | 178 | |
| 179 | switch (event) { |
| 180 | case SND_SOC_DAPM_PRE_PMD: |
| 181 | case SND_SOC_DAPM_PRE_PMU: |
| 182 | /* Power save mode ON */ |
Kuninori Morimoto | 43c5d0f | 2018-01-29 03:13:07 +0000 | [diff] [blame] | 183 | snd_soc_component_update_bits(component, SG_SL2, LOPS, LOPS); |
Takeshi Kihara | 39c2618 | 2015-03-24 05:15:22 +0000 | [diff] [blame] | 184 | break; |
| 185 | case SND_SOC_DAPM_POST_PMU: |
| 186 | case SND_SOC_DAPM_POST_PMD: |
| 187 | /* Power save mode OFF */ |
Harunobu Kurokawa | fc1e65c | 2017-01-11 04:32:43 +0000 | [diff] [blame] | 188 | msleep(300); |
Kuninori Morimoto | 43c5d0f | 2018-01-29 03:13:07 +0000 | [diff] [blame] | 189 | snd_soc_component_update_bits(component, SG_SL2, LOPS, 0); |
Takeshi Kihara | 39c2618 | 2015-03-24 05:15:22 +0000 | [diff] [blame] | 190 | break; |
| 191 | } |
| 192 | |
| 193 | return 0; |
| 194 | } |
| 195 | |
Kuninori Morimoto | 24747da | 2011-11-10 16:21:31 -0800 | [diff] [blame] | 196 | static const struct snd_soc_dapm_widget ak4642_dapm_widgets[] = { |
| 197 | |
| 198 | /* Outputs */ |
| 199 | SND_SOC_DAPM_OUTPUT("HPOUTL"), |
| 200 | SND_SOC_DAPM_OUTPUT("HPOUTR"), |
Kuninori Morimoto | e8c83db | 2011-11-10 16:21:55 -0800 | [diff] [blame] | 201 | SND_SOC_DAPM_OUTPUT("LINEOUT"), |
Kuninori Morimoto | 24747da | 2011-11-10 16:21:31 -0800 | [diff] [blame] | 202 | |
Kuninori Morimoto | e555cf3 | 2012-02-20 20:14:16 -0800 | [diff] [blame] | 203 | SND_SOC_DAPM_PGA("HPL Out", PW_MGMT2, 5, 0, NULL, 0), |
| 204 | SND_SOC_DAPM_PGA("HPR Out", PW_MGMT2, 4, 0, NULL, 0), |
| 205 | SND_SOC_DAPM_SWITCH("Headphone Enable", SND_SOC_NOPM, 0, 0, |
| 206 | &ak4642_headphone_control), |
Kuninori Morimoto | 24747da | 2011-11-10 16:21:31 -0800 | [diff] [blame] | 207 | |
Kuninori Morimoto | e555cf3 | 2012-02-20 20:14:16 -0800 | [diff] [blame] | 208 | SND_SOC_DAPM_PGA("DACH", MD_CTL4, 0, 0, NULL, 0), |
Kuninori Morimoto | 24747da | 2011-11-10 16:21:31 -0800 | [diff] [blame] | 209 | |
Takeshi Kihara | 39c2618 | 2015-03-24 05:15:22 +0000 | [diff] [blame] | 210 | SND_SOC_DAPM_MIXER_E("LINEOUT Mixer", PW_MGMT1, 3, 0, |
Kuninori Morimoto | e8c83db | 2011-11-10 16:21:55 -0800 | [diff] [blame] | 211 | &ak4642_lout_mixer_controls[0], |
Takeshi Kihara | 39c2618 | 2015-03-24 05:15:22 +0000 | [diff] [blame] | 212 | ARRAY_SIZE(ak4642_lout_mixer_controls), |
| 213 | ak4642_lout_event, |
| 214 | SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | |
| 215 | SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD), |
Kuninori Morimoto | e8c83db | 2011-11-10 16:21:55 -0800 | [diff] [blame] | 216 | |
Kuninori Morimoto | 24747da | 2011-11-10 16:21:31 -0800 | [diff] [blame] | 217 | /* DAC */ |
Kuninori Morimoto | 379c4b0 | 2015-03-16 04:45:54 +0000 | [diff] [blame] | 218 | SND_SOC_DAPM_DAC("DAC", NULL, PW_MGMT1, 2, 0), |
Kuninori Morimoto | 24747da | 2011-11-10 16:21:31 -0800 | [diff] [blame] | 219 | }; |
| 220 | |
| 221 | static const struct snd_soc_dapm_route ak4642_intercon[] = { |
| 222 | |
| 223 | /* Outputs */ |
Kuninori Morimoto | e555cf3 | 2012-02-20 20:14:16 -0800 | [diff] [blame] | 224 | {"HPOUTL", NULL, "HPL Out"}, |
| 225 | {"HPOUTR", NULL, "HPR Out"}, |
Kuninori Morimoto | e8c83db | 2011-11-10 16:21:55 -0800 | [diff] [blame] | 226 | {"LINEOUT", NULL, "LINEOUT Mixer"}, |
Kuninori Morimoto | 24747da | 2011-11-10 16:21:31 -0800 | [diff] [blame] | 227 | |
Kuninori Morimoto | e555cf3 | 2012-02-20 20:14:16 -0800 | [diff] [blame] | 228 | {"HPL Out", NULL, "Headphone Enable"}, |
| 229 | {"HPR Out", NULL, "Headphone Enable"}, |
| 230 | |
| 231 | {"Headphone Enable", "Switch", "DACH"}, |
| 232 | |
| 233 | {"DACH", NULL, "DAC"}, |
| 234 | |
Kuninori Morimoto | e8c83db | 2011-11-10 16:21:55 -0800 | [diff] [blame] | 235 | {"LINEOUT Mixer", "DACL", "DAC"}, |
Kuninori Morimoto | 379c4b0 | 2015-03-16 04:45:54 +0000 | [diff] [blame] | 236 | |
| 237 | { "DAC", NULL, "Playback" }, |
Kuninori Morimoto | 24747da | 2011-11-10 16:21:31 -0800 | [diff] [blame] | 238 | }; |
Kuninori Morimoto | a300de3 | 2010-07-01 14:23:45 +0900 | [diff] [blame] | 239 | |
Kuninori Morimoto | a3a83d9 | 2009-08-21 10:23:41 +0900 | [diff] [blame] | 240 | /* |
| 241 | * ak4642 register cache |
| 242 | */ |
Axel Lin | f8ea6ce | 2015-07-01 00:56:36 +0800 | [diff] [blame] | 243 | static const struct reg_default ak4643_reg[] = { |
Mark Brown | 4574cd9 | 2013-11-28 18:03:49 +0000 | [diff] [blame] | 244 | { 0, 0x00 }, { 1, 0x00 }, { 2, 0x01 }, { 3, 0x00 }, |
| 245 | { 4, 0x02 }, { 5, 0x00 }, { 6, 0x00 }, { 7, 0x00 }, |
| 246 | { 8, 0xe1 }, { 9, 0xe1 }, { 10, 0x18 }, { 11, 0x00 }, |
| 247 | { 12, 0xe1 }, { 13, 0x18 }, { 14, 0x11 }, { 15, 0x08 }, |
| 248 | { 16, 0x00 }, { 17, 0x00 }, { 18, 0x00 }, { 19, 0x00 }, |
| 249 | { 20, 0x00 }, { 21, 0x00 }, { 22, 0x00 }, { 23, 0x00 }, |
| 250 | { 24, 0x00 }, { 25, 0x00 }, { 26, 0x00 }, { 27, 0x00 }, |
| 251 | { 28, 0x00 }, { 29, 0x00 }, { 30, 0x00 }, { 31, 0x00 }, |
| 252 | { 32, 0x00 }, { 33, 0x00 }, { 34, 0x00 }, { 35, 0x00 }, |
| 253 | { 36, 0x00 }, |
Kuninori Morimoto | a3a83d9 | 2009-08-21 10:23:41 +0900 | [diff] [blame] | 254 | }; |
| 255 | |
Axel Lin | f8ea6ce | 2015-07-01 00:56:36 +0800 | [diff] [blame] | 256 | /* The default settings for 0x0 ~ 0x1f registers are the same for ak4642 |
| 257 | and ak4643. So we reuse the ak4643 reg_default for ak4642. |
| 258 | The valid registers for ak4642 are 0x0 ~ 0x1f which is a subset of ak4643, |
| 259 | so define NUM_AK4642_REG_DEFAULTS for ak4642. |
| 260 | */ |
| 261 | #define ak4642_reg ak4643_reg |
| 262 | #define NUM_AK4642_REG_DEFAULTS (FIL1_3 + 1) |
| 263 | |
Mark Brown | 4574cd9 | 2013-11-28 18:03:49 +0000 | [diff] [blame] | 264 | static const struct reg_default ak4648_reg[] = { |
| 265 | { 0, 0x00 }, { 1, 0x00 }, { 2, 0x01 }, { 3, 0x00 }, |
| 266 | { 4, 0x02 }, { 5, 0x00 }, { 6, 0x00 }, { 7, 0x00 }, |
| 267 | { 8, 0xe1 }, { 9, 0xe1 }, { 10, 0x18 }, { 11, 0x00 }, |
| 268 | { 12, 0xe1 }, { 13, 0x18 }, { 14, 0x11 }, { 15, 0xb8 }, |
| 269 | { 16, 0x00 }, { 17, 0x00 }, { 18, 0x00 }, { 19, 0x00 }, |
| 270 | { 20, 0x00 }, { 21, 0x00 }, { 22, 0x00 }, { 23, 0x00 }, |
| 271 | { 24, 0x00 }, { 25, 0x00 }, { 26, 0x00 }, { 27, 0x00 }, |
| 272 | { 28, 0x00 }, { 29, 0x00 }, { 30, 0x00 }, { 31, 0x00 }, |
| 273 | { 32, 0x00 }, { 33, 0x00 }, { 34, 0x00 }, { 35, 0x00 }, |
| 274 | { 36, 0x00 }, { 37, 0x88 }, { 38, 0x88 }, { 39, 0x08 }, |
Kuninori Morimoto | a9317e8 | 2011-11-10 16:22:05 -0800 | [diff] [blame] | 275 | }; |
| 276 | |
Kuninori Morimoto | a3a83d9 | 2009-08-21 10:23:41 +0900 | [diff] [blame] | 277 | static int ak4642_dai_startup(struct snd_pcm_substream *substream, |
| 278 | struct snd_soc_dai *dai) |
| 279 | { |
| 280 | int is_play = substream->stream == SNDRV_PCM_STREAM_PLAYBACK; |
Kuninori Morimoto | 43c5d0f | 2018-01-29 03:13:07 +0000 | [diff] [blame] | 281 | struct snd_soc_component *component = dai->component; |
Kuninori Morimoto | a3a83d9 | 2009-08-21 10:23:41 +0900 | [diff] [blame] | 282 | |
| 283 | if (is_play) { |
| 284 | /* |
| 285 | * start headphone output |
| 286 | * |
| 287 | * PLL, Master Mode |
| 288 | * Audio I/F Format :MSB justified (ADC & DAC) |
Kuninori Morimoto | a3a83d9 | 2009-08-21 10:23:41 +0900 | [diff] [blame] | 289 | * Bass Boost Level : Middle |
| 290 | * |
| 291 | * This operation came from example code of |
| 292 | * "ASAHI KASEI AK4642" (japanese) manual p97. |
Kuninori Morimoto | a3a83d9 | 2009-08-21 10:23:41 +0900 | [diff] [blame] | 293 | */ |
Kuninori Morimoto | 43c5d0f | 2018-01-29 03:13:07 +0000 | [diff] [blame] | 294 | snd_soc_component_write(component, L_IVC, 0x91); /* volume */ |
| 295 | snd_soc_component_write(component, R_IVC, 0x91); /* volume */ |
Kuninori Morimoto | a3a83d9 | 2009-08-21 10:23:41 +0900 | [diff] [blame] | 296 | } else { |
| 297 | /* |
| 298 | * start stereo input |
| 299 | * |
| 300 | * PLL Master Mode |
| 301 | * Audio I/F Format:MSB justified (ADC & DAC) |
Kuninori Morimoto | a3a83d9 | 2009-08-21 10:23:41 +0900 | [diff] [blame] | 302 | * Pre MIC AMP:+20dB |
| 303 | * MIC Power On |
| 304 | * ALC setting:Refer to Table 35 |
| 305 | * ALC bit=“1” |
| 306 | * |
| 307 | * This operation came from example code of |
| 308 | * "ASAHI KASEI AK4642" (japanese) manual p94. |
| 309 | */ |
Kuninori Morimoto | 43c5d0f | 2018-01-29 03:13:07 +0000 | [diff] [blame] | 310 | snd_soc_component_update_bits(component, SG_SL1, PMMP | MGAIN0, PMMP | MGAIN0); |
| 311 | snd_soc_component_write(component, TIMER, ZTM(0x3) | WTM(0x3)); |
| 312 | snd_soc_component_write(component, ALC_CTL1, ALC | LMTH0); |
| 313 | snd_soc_component_update_bits(component, PW_MGMT1, PMADL, PMADL); |
| 314 | snd_soc_component_update_bits(component, PW_MGMT3, PMADR, PMADR); |
Kuninori Morimoto | a3a83d9 | 2009-08-21 10:23:41 +0900 | [diff] [blame] | 315 | } |
| 316 | |
| 317 | return 0; |
| 318 | } |
| 319 | |
| 320 | static void ak4642_dai_shutdown(struct snd_pcm_substream *substream, |
| 321 | struct snd_soc_dai *dai) |
| 322 | { |
| 323 | int is_play = substream->stream == SNDRV_PCM_STREAM_PLAYBACK; |
Kuninori Morimoto | 43c5d0f | 2018-01-29 03:13:07 +0000 | [diff] [blame] | 324 | struct snd_soc_component *component = dai->component; |
Kuninori Morimoto | a3a83d9 | 2009-08-21 10:23:41 +0900 | [diff] [blame] | 325 | |
| 326 | if (is_play) { |
Kuninori Morimoto | a3a83d9 | 2009-08-21 10:23:41 +0900 | [diff] [blame] | 327 | } else { |
| 328 | /* stop stereo input */ |
Kuninori Morimoto | 43c5d0f | 2018-01-29 03:13:07 +0000 | [diff] [blame] | 329 | snd_soc_component_update_bits(component, PW_MGMT1, PMADL, 0); |
| 330 | snd_soc_component_update_bits(component, PW_MGMT3, PMADR, 0); |
| 331 | snd_soc_component_update_bits(component, ALC_CTL1, ALC, 0); |
Kuninori Morimoto | a3a83d9 | 2009-08-21 10:23:41 +0900 | [diff] [blame] | 332 | } |
| 333 | } |
| 334 | |
| 335 | static int ak4642_dai_set_sysclk(struct snd_soc_dai *codec_dai, |
| 336 | int clk_id, unsigned int freq, int dir) |
| 337 | { |
Kuninori Morimoto | 43c5d0f | 2018-01-29 03:13:07 +0000 | [diff] [blame] | 338 | struct snd_soc_component *component = codec_dai->component; |
| 339 | struct ak4642_priv *priv = snd_soc_component_get_drvdata(component); |
Kuninori Morimoto | 4b6316b | 2010-03-23 16:27:28 +0900 | [diff] [blame] | 340 | u8 pll; |
Sascha Hauer | 5cd15e2 | 2014-05-14 09:37:36 +0200 | [diff] [blame] | 341 | int extended_freq = 0; |
Kuninori Morimoto | a3a83d9 | 2009-08-21 10:23:41 +0900 | [diff] [blame] | 342 | |
Kuninori Morimoto | 4b6316b | 2010-03-23 16:27:28 +0900 | [diff] [blame] | 343 | switch (freq) { |
| 344 | case 11289600: |
| 345 | pll = PLL2; |
| 346 | break; |
| 347 | case 12288000: |
| 348 | pll = PLL2 | PLL0; |
| 349 | break; |
| 350 | case 12000000: |
| 351 | pll = PLL2 | PLL1; |
| 352 | break; |
| 353 | case 24000000: |
| 354 | pll = PLL2 | PLL1 | PLL0; |
| 355 | break; |
| 356 | case 13500000: |
| 357 | pll = PLL3 | PLL2; |
| 358 | break; |
| 359 | case 27000000: |
| 360 | pll = PLL3 | PLL2 | PLL0; |
| 361 | break; |
Sascha Hauer | 5cd15e2 | 2014-05-14 09:37:36 +0200 | [diff] [blame] | 362 | case 19200000: |
| 363 | pll = PLL3; |
| 364 | extended_freq = 1; |
| 365 | break; |
| 366 | case 13000000: |
| 367 | pll = PLL3 | PLL2 | PLL1; |
| 368 | extended_freq = 1; |
| 369 | break; |
| 370 | case 26000000: |
| 371 | pll = PLL3 | PLL2 | PLL1 | PLL0; |
| 372 | extended_freq = 1; |
| 373 | break; |
Kuninori Morimoto | 4b6316b | 2010-03-23 16:27:28 +0900 | [diff] [blame] | 374 | default: |
| 375 | return -EINVAL; |
| 376 | } |
Sascha Hauer | 5cd15e2 | 2014-05-14 09:37:36 +0200 | [diff] [blame] | 377 | |
| 378 | if (extended_freq && !priv->drvdata->extended_frequencies) |
| 379 | return -EINVAL; |
| 380 | |
Kuninori Morimoto | 43c5d0f | 2018-01-29 03:13:07 +0000 | [diff] [blame] | 381 | snd_soc_component_update_bits(component, MD_CTL1, PLL_MASK, pll); |
Kuninori Morimoto | 4b6316b | 2010-03-23 16:27:28 +0900 | [diff] [blame] | 382 | |
Kuninori Morimoto | a3a83d9 | 2009-08-21 10:23:41 +0900 | [diff] [blame] | 383 | return 0; |
| 384 | } |
| 385 | |
Kuninori Morimoto | 0643ce8 | 2010-03-15 18:10:50 +0900 | [diff] [blame] | 386 | static int ak4642_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) |
| 387 | { |
Kuninori Morimoto | 43c5d0f | 2018-01-29 03:13:07 +0000 | [diff] [blame] | 388 | struct snd_soc_component *component = dai->component; |
Kuninori Morimoto | 0643ce8 | 2010-03-15 18:10:50 +0900 | [diff] [blame] | 389 | u8 data; |
| 390 | u8 bcko; |
| 391 | |
| 392 | data = MCKO | PMPLL; /* use MCKO */ |
| 393 | bcko = 0; |
| 394 | |
| 395 | /* set master/slave audio interface */ |
| 396 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { |
| 397 | case SND_SOC_DAIFMT_CBM_CFM: |
| 398 | data |= MS; |
| 399 | bcko = BCKO_64; |
| 400 | break; |
| 401 | case SND_SOC_DAIFMT_CBS_CFS: |
| 402 | break; |
| 403 | default: |
| 404 | return -EINVAL; |
| 405 | } |
Kuninori Morimoto | 43c5d0f | 2018-01-29 03:13:07 +0000 | [diff] [blame] | 406 | snd_soc_component_update_bits(component, PW_MGMT2, MS | MCKO | PMPLL, data); |
| 407 | snd_soc_component_update_bits(component, MD_CTL1, BCKO_MASK, bcko); |
Kuninori Morimoto | 0643ce8 | 2010-03-15 18:10:50 +0900 | [diff] [blame] | 408 | |
Kuninori Morimoto | cb9c130 | 2011-01-20 11:45:34 +0900 | [diff] [blame] | 409 | /* format type */ |
| 410 | data = 0; |
| 411 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { |
| 412 | case SND_SOC_DAIFMT_LEFT_J: |
| 413 | data = LEFT_J; |
| 414 | break; |
| 415 | case SND_SOC_DAIFMT_I2S: |
| 416 | data = I2S; |
| 417 | break; |
| 418 | /* FIXME |
| 419 | * Please add RIGHT_J / DSP support here |
| 420 | */ |
| 421 | default: |
| 422 | return -EINVAL; |
Kuninori Morimoto | cb9c130 | 2011-01-20 11:45:34 +0900 | [diff] [blame] | 423 | } |
Kuninori Morimoto | 43c5d0f | 2018-01-29 03:13:07 +0000 | [diff] [blame] | 424 | snd_soc_component_update_bits(component, MD_CTL1, DIF_MASK, data); |
Kuninori Morimoto | cb9c130 | 2011-01-20 11:45:34 +0900 | [diff] [blame] | 425 | |
Kuninori Morimoto | 0643ce8 | 2010-03-15 18:10:50 +0900 | [diff] [blame] | 426 | return 0; |
| 427 | } |
| 428 | |
Kuninori Morimoto | 43c5d0f | 2018-01-29 03:13:07 +0000 | [diff] [blame] | 429 | static int ak4642_set_mcko(struct snd_soc_component *component, |
Kuninori Morimoto | 171a013 | 2015-09-10 06:40:19 +0000 | [diff] [blame] | 430 | u32 frequency) |
| 431 | { |
Colin Ian King | 836e4fe | 2017-06-30 10:16:36 +0100 | [diff] [blame] | 432 | static const u32 fs_list[] = { |
Kuninori Morimoto | 171a013 | 2015-09-10 06:40:19 +0000 | [diff] [blame] | 433 | [0] = 8000, |
| 434 | [1] = 12000, |
| 435 | [2] = 16000, |
| 436 | [3] = 24000, |
| 437 | [4] = 7350, |
| 438 | [5] = 11025, |
| 439 | [6] = 14700, |
| 440 | [7] = 22050, |
| 441 | [10] = 32000, |
| 442 | [11] = 48000, |
| 443 | [14] = 29400, |
| 444 | [15] = 44100, |
| 445 | }; |
Colin Ian King | 836e4fe | 2017-06-30 10:16:36 +0100 | [diff] [blame] | 446 | static const u32 ps_list[] = { |
Kuninori Morimoto | 171a013 | 2015-09-10 06:40:19 +0000 | [diff] [blame] | 447 | [0] = 256, |
| 448 | [1] = 128, |
| 449 | [2] = 64, |
| 450 | [3] = 32 |
| 451 | }; |
| 452 | int ps, fs; |
| 453 | |
| 454 | for (ps = 0; ps < ARRAY_SIZE(ps_list); ps++) { |
| 455 | for (fs = 0; fs < ARRAY_SIZE(fs_list); fs++) { |
| 456 | if (frequency == ps_list[ps] * fs_list[fs]) { |
Kuninori Morimoto | 43c5d0f | 2018-01-29 03:13:07 +0000 | [diff] [blame] | 457 | snd_soc_component_write(component, MD_CTL2, |
Kuninori Morimoto | 544637b | 2015-09-15 02:42:42 +0000 | [diff] [blame] | 458 | PSs(ps) | FSs(fs)); |
Kuninori Morimoto | 171a013 | 2015-09-10 06:40:19 +0000 | [diff] [blame] | 459 | return 0; |
| 460 | } |
| 461 | } |
| 462 | } |
| 463 | |
| 464 | return 0; |
| 465 | } |
| 466 | |
Kuninori Morimoto | 1ad747c | 2010-03-23 16:27:38 +0900 | [diff] [blame] | 467 | static int ak4642_dai_hw_params(struct snd_pcm_substream *substream, |
| 468 | struct snd_pcm_hw_params *params, |
| 469 | struct snd_soc_dai *dai) |
| 470 | { |
Kuninori Morimoto | 43c5d0f | 2018-01-29 03:13:07 +0000 | [diff] [blame] | 471 | struct snd_soc_component *component = dai->component; |
| 472 | struct ak4642_priv *priv = snd_soc_component_get_drvdata(component); |
Kuninori Morimoto | 171a013 | 2015-09-10 06:40:19 +0000 | [diff] [blame] | 473 | u32 rate = clk_get_rate(priv->mcko); |
Kuninori Morimoto | 1ad747c | 2010-03-23 16:27:38 +0900 | [diff] [blame] | 474 | |
Kuninori Morimoto | 171a013 | 2015-09-10 06:40:19 +0000 | [diff] [blame] | 475 | if (!rate) |
| 476 | rate = params_rate(params) * 256; |
Kuninori Morimoto | 1ad747c | 2010-03-23 16:27:38 +0900 | [diff] [blame] | 477 | |
Kuninori Morimoto | 43c5d0f | 2018-01-29 03:13:07 +0000 | [diff] [blame] | 478 | return ak4642_set_mcko(component, rate); |
Kuninori Morimoto | a3a83d9 | 2009-08-21 10:23:41 +0900 | [diff] [blame] | 479 | } |
| 480 | |
Kuninori Morimoto | 43c5d0f | 2018-01-29 03:13:07 +0000 | [diff] [blame] | 481 | static int ak4642_set_bias_level(struct snd_soc_component *component, |
Kuninori Morimoto | ed2dd7d | 2011-11-10 16:21:01 -0800 | [diff] [blame] | 482 | enum snd_soc_bias_level level) |
| 483 | { |
| 484 | switch (level) { |
| 485 | case SND_SOC_BIAS_OFF: |
Kuninori Morimoto | 43c5d0f | 2018-01-29 03:13:07 +0000 | [diff] [blame] | 486 | snd_soc_component_write(component, PW_MGMT1, 0x00); |
Kuninori Morimoto | ed2dd7d | 2011-11-10 16:21:01 -0800 | [diff] [blame] | 487 | break; |
| 488 | default: |
Kuninori Morimoto | 43c5d0f | 2018-01-29 03:13:07 +0000 | [diff] [blame] | 489 | snd_soc_component_update_bits(component, PW_MGMT1, PMVCM, PMVCM); |
Kuninori Morimoto | ed2dd7d | 2011-11-10 16:21:01 -0800 | [diff] [blame] | 490 | break; |
| 491 | } |
Kuninori Morimoto | ed2dd7d | 2011-11-10 16:21:01 -0800 | [diff] [blame] | 492 | |
| 493 | return 0; |
| 494 | } |
| 495 | |
Lars-Peter Clausen | 85e7652 | 2011-11-23 11:40:40 +0100 | [diff] [blame] | 496 | static const struct snd_soc_dai_ops ak4642_dai_ops = { |
Kuninori Morimoto | a3a83d9 | 2009-08-21 10:23:41 +0900 | [diff] [blame] | 497 | .startup = ak4642_dai_startup, |
| 498 | .shutdown = ak4642_dai_shutdown, |
| 499 | .set_sysclk = ak4642_dai_set_sysclk, |
Kuninori Morimoto | 0643ce8 | 2010-03-15 18:10:50 +0900 | [diff] [blame] | 500 | .set_fmt = ak4642_dai_set_fmt, |
Kuninori Morimoto | 1ad747c | 2010-03-23 16:27:38 +0900 | [diff] [blame] | 501 | .hw_params = ak4642_dai_hw_params, |
Kuninori Morimoto | a3a83d9 | 2009-08-21 10:23:41 +0900 | [diff] [blame] | 502 | }; |
| 503 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 504 | static struct snd_soc_dai_driver ak4642_dai = { |
| 505 | .name = "ak4642-hifi", |
Kuninori Morimoto | a3a83d9 | 2009-08-21 10:23:41 +0900 | [diff] [blame] | 506 | .playback = { |
| 507 | .stream_name = "Playback", |
Kuninori Morimoto | c01673e | 2015-04-10 08:46:22 +0000 | [diff] [blame] | 508 | .channels_min = 2, |
Kuninori Morimoto | a3a83d9 | 2009-08-21 10:23:41 +0900 | [diff] [blame] | 509 | .channels_max = 2, |
| 510 | .rates = SNDRV_PCM_RATE_8000_48000, |
| 511 | .formats = SNDRV_PCM_FMTBIT_S16_LE }, |
| 512 | .capture = { |
| 513 | .stream_name = "Capture", |
Kuninori Morimoto | c01673e | 2015-04-10 08:46:22 +0000 | [diff] [blame] | 514 | .channels_min = 2, |
Kuninori Morimoto | a3a83d9 | 2009-08-21 10:23:41 +0900 | [diff] [blame] | 515 | .channels_max = 2, |
| 516 | .rates = SNDRV_PCM_RATE_8000_48000, |
| 517 | .formats = SNDRV_PCM_FMTBIT_S16_LE }, |
| 518 | .ops = &ak4642_dai_ops, |
Kuninori Morimoto | 1ad747c | 2010-03-23 16:27:38 +0900 | [diff] [blame] | 519 | .symmetric_rates = 1, |
Kuninori Morimoto | a3a83d9 | 2009-08-21 10:23:41 +0900 | [diff] [blame] | 520 | }; |
Kuninori Morimoto | a3a83d9 | 2009-08-21 10:23:41 +0900 | [diff] [blame] | 521 | |
Kuninori Morimoto | 43c5d0f | 2018-01-29 03:13:07 +0000 | [diff] [blame] | 522 | static int ak4642_suspend(struct snd_soc_component *component) |
Peter Ujfalusi | a2ebd58 | 2016-05-31 13:34:59 +0300 | [diff] [blame] | 523 | { |
Kuninori Morimoto | 43c5d0f | 2018-01-29 03:13:07 +0000 | [diff] [blame] | 524 | struct regmap *regmap = dev_get_regmap(component->dev, NULL); |
Peter Ujfalusi | a2ebd58 | 2016-05-31 13:34:59 +0300 | [diff] [blame] | 525 | |
| 526 | regcache_cache_only(regmap, true); |
| 527 | regcache_mark_dirty(regmap); |
| 528 | return 0; |
| 529 | } |
| 530 | |
Kuninori Morimoto | 43c5d0f | 2018-01-29 03:13:07 +0000 | [diff] [blame] | 531 | static int ak4642_resume(struct snd_soc_component *component) |
Kuninori Morimoto | a3a83d9 | 2009-08-21 10:23:41 +0900 | [diff] [blame] | 532 | { |
Kuninori Morimoto | 43c5d0f | 2018-01-29 03:13:07 +0000 | [diff] [blame] | 533 | struct regmap *regmap = dev_get_regmap(component->dev, NULL); |
Mark Brown | 4574cd9 | 2013-11-28 18:03:49 +0000 | [diff] [blame] | 534 | |
Peter Ujfalusi | a2ebd58 | 2016-05-31 13:34:59 +0300 | [diff] [blame] | 535 | regcache_cache_only(regmap, false); |
Mark Brown | 4574cd9 | 2013-11-28 18:03:49 +0000 | [diff] [blame] | 536 | regcache_sync(regmap); |
Kuninori Morimoto | a3a83d9 | 2009-08-21 10:23:41 +0900 | [diff] [blame] | 537 | return 0; |
| 538 | } |
Kuninori Morimoto | 43c5d0f | 2018-01-29 03:13:07 +0000 | [diff] [blame] | 539 | static int ak4642_probe(struct snd_soc_component *component) |
Kuninori Morimoto | 171a013 | 2015-09-10 06:40:19 +0000 | [diff] [blame] | 540 | { |
Kuninori Morimoto | 43c5d0f | 2018-01-29 03:13:07 +0000 | [diff] [blame] | 541 | struct ak4642_priv *priv = snd_soc_component_get_drvdata(component); |
Kuninori Morimoto | 171a013 | 2015-09-10 06:40:19 +0000 | [diff] [blame] | 542 | |
| 543 | if (priv->mcko) |
Kuninori Morimoto | 43c5d0f | 2018-01-29 03:13:07 +0000 | [diff] [blame] | 544 | ak4642_set_mcko(component, clk_get_rate(priv->mcko)); |
Kuninori Morimoto | 171a013 | 2015-09-10 06:40:19 +0000 | [diff] [blame] | 545 | |
| 546 | return 0; |
| 547 | } |
| 548 | |
Kuninori Morimoto | 43c5d0f | 2018-01-29 03:13:07 +0000 | [diff] [blame] | 549 | static const struct snd_soc_component_driver soc_component_dev_ak4642 = { |
Kuninori Morimoto | 171a013 | 2015-09-10 06:40:19 +0000 | [diff] [blame] | 550 | .probe = ak4642_probe, |
Peter Ujfalusi | a2ebd58 | 2016-05-31 13:34:59 +0300 | [diff] [blame] | 551 | .suspend = ak4642_suspend, |
Kuninori Morimoto | 0ce75aa | 2010-09-16 13:06:40 +0900 | [diff] [blame] | 552 | .resume = ak4642_resume, |
Kuninori Morimoto | ed2dd7d | 2011-11-10 16:21:01 -0800 | [diff] [blame] | 553 | .set_bias_level = ak4642_set_bias_level, |
Kuninori Morimoto | 43c5d0f | 2018-01-29 03:13:07 +0000 | [diff] [blame] | 554 | .controls = ak4642_snd_controls, |
| 555 | .num_controls = ARRAY_SIZE(ak4642_snd_controls), |
| 556 | .dapm_widgets = ak4642_dapm_widgets, |
| 557 | .num_dapm_widgets = ARRAY_SIZE(ak4642_dapm_widgets), |
| 558 | .dapm_routes = ak4642_intercon, |
| 559 | .num_dapm_routes = ARRAY_SIZE(ak4642_intercon), |
| 560 | .idle_bias_on = 1, |
Kuninori Morimoto | 43c5d0f | 2018-01-29 03:13:07 +0000 | [diff] [blame] | 561 | .endianness = 1, |
| 562 | .non_legacy_dai_naming = 1, |
Kuninori Morimoto | a9317e8 | 2011-11-10 16:22:05 -0800 | [diff] [blame] | 563 | }; |
| 564 | |
Mark Brown | 4574cd9 | 2013-11-28 18:03:49 +0000 | [diff] [blame] | 565 | static const struct regmap_config ak4642_regmap = { |
| 566 | .reg_bits = 8, |
| 567 | .val_bits = 8, |
Axel Lin | f8ea6ce | 2015-07-01 00:56:36 +0800 | [diff] [blame] | 568 | .max_register = FIL1_3, |
Mark Brown | 4574cd9 | 2013-11-28 18:03:49 +0000 | [diff] [blame] | 569 | .reg_defaults = ak4642_reg, |
Axel Lin | f8ea6ce | 2015-07-01 00:56:36 +0800 | [diff] [blame] | 570 | .num_reg_defaults = NUM_AK4642_REG_DEFAULTS, |
Mark Brown | d3030d1 | 2016-05-18 18:30:39 +0100 | [diff] [blame] | 571 | .cache_type = REGCACHE_RBTREE, |
Axel Lin | f8ea6ce | 2015-07-01 00:56:36 +0800 | [diff] [blame] | 572 | }; |
| 573 | |
| 574 | static const struct regmap_config ak4643_regmap = { |
| 575 | .reg_bits = 8, |
| 576 | .val_bits = 8, |
| 577 | .max_register = SPK_MS, |
| 578 | .reg_defaults = ak4643_reg, |
| 579 | .num_reg_defaults = ARRAY_SIZE(ak4643_reg), |
Mark Brown | d3030d1 | 2016-05-18 18:30:39 +0100 | [diff] [blame] | 580 | .cache_type = REGCACHE_RBTREE, |
Mark Brown | 4574cd9 | 2013-11-28 18:03:49 +0000 | [diff] [blame] | 581 | }; |
| 582 | |
| 583 | static const struct regmap_config ak4648_regmap = { |
| 584 | .reg_bits = 8, |
| 585 | .val_bits = 8, |
Axel Lin | f8ea6ce | 2015-07-01 00:56:36 +0800 | [diff] [blame] | 586 | .max_register = EQ_FBEQE, |
Mark Brown | 4574cd9 | 2013-11-28 18:03:49 +0000 | [diff] [blame] | 587 | .reg_defaults = ak4648_reg, |
| 588 | .num_reg_defaults = ARRAY_SIZE(ak4648_reg), |
Mark Brown | d3030d1 | 2016-05-18 18:30:39 +0100 | [diff] [blame] | 589 | .cache_type = REGCACHE_RBTREE, |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 590 | }; |
| 591 | |
Sascha Hauer | d815c70 | 2014-05-14 09:37:35 +0200 | [diff] [blame] | 592 | static const struct ak4642_drvdata ak4642_drvdata = { |
| 593 | .regmap_config = &ak4642_regmap, |
| 594 | }; |
| 595 | |
| 596 | static const struct ak4642_drvdata ak4643_drvdata = { |
Axel Lin | f8ea6ce | 2015-07-01 00:56:36 +0800 | [diff] [blame] | 597 | .regmap_config = &ak4643_regmap, |
Sascha Hauer | d815c70 | 2014-05-14 09:37:35 +0200 | [diff] [blame] | 598 | }; |
| 599 | |
| 600 | static const struct ak4642_drvdata ak4648_drvdata = { |
| 601 | .regmap_config = &ak4648_regmap, |
Sascha Hauer | 5cd15e2 | 2014-05-14 09:37:36 +0200 | [diff] [blame] | 602 | .extended_frequencies = 1, |
Sascha Hauer | d815c70 | 2014-05-14 09:37:35 +0200 | [diff] [blame] | 603 | }; |
| 604 | |
Kuninori Morimoto | 171a013 | 2015-09-10 06:40:19 +0000 | [diff] [blame] | 605 | #ifdef CONFIG_COMMON_CLK |
| 606 | static struct clk *ak4642_of_parse_mcko(struct device *dev) |
| 607 | { |
| 608 | struct device_node *np = dev->of_node; |
| 609 | struct clk *clk; |
| 610 | const char *clk_name = np->name; |
| 611 | const char *parent_clk_name = NULL; |
| 612 | u32 rate; |
| 613 | |
| 614 | if (of_property_read_u32(np, "clock-frequency", &rate)) |
| 615 | return NULL; |
| 616 | |
| 617 | if (of_property_read_bool(np, "clocks")) |
| 618 | parent_clk_name = of_clk_get_parent_name(np, 0); |
| 619 | |
| 620 | of_property_read_string(np, "clock-output-names", &clk_name); |
| 621 | |
Stephen Boyd | b6bf328 | 2016-04-19 18:05:04 -0700 | [diff] [blame] | 622 | clk = clk_register_fixed_rate(dev, clk_name, parent_clk_name, 0, rate); |
Kuninori Morimoto | 171a013 | 2015-09-10 06:40:19 +0000 | [diff] [blame] | 623 | if (!IS_ERR(clk)) |
| 624 | of_clk_add_provider(np, of_clk_src_simple_get, clk); |
| 625 | |
| 626 | return clk; |
| 627 | } |
| 628 | #else |
| 629 | #define ak4642_of_parse_mcko(d) 0 |
| 630 | #endif |
| 631 | |
Kiran Padwal | 27204ca | 2014-07-28 11:41:04 +0530 | [diff] [blame] | 632 | static const struct of_device_id ak4642_of_match[]; |
Bill Pemberton | 7a79e94 | 2012-12-07 09:26:37 -0500 | [diff] [blame] | 633 | static int ak4642_i2c_probe(struct i2c_client *i2c, |
| 634 | const struct i2c_device_id *id) |
Kuninori Morimoto | a3a83d9 | 2009-08-21 10:23:41 +0900 | [diff] [blame] | 635 | { |
Kuninori Morimoto | 2719a75 | 2015-09-10 06:39:59 +0000 | [diff] [blame] | 636 | struct device *dev = &i2c->dev; |
| 637 | struct device_node *np = dev->of_node; |
Sascha Hauer | d815c70 | 2014-05-14 09:37:35 +0200 | [diff] [blame] | 638 | const struct ak4642_drvdata *drvdata = NULL; |
Mark Brown | 4574cd9 | 2013-11-28 18:03:49 +0000 | [diff] [blame] | 639 | struct regmap *regmap; |
Sascha Hauer | d815c70 | 2014-05-14 09:37:35 +0200 | [diff] [blame] | 640 | struct ak4642_priv *priv; |
Kuninori Morimoto | 171a013 | 2015-09-10 06:40:19 +0000 | [diff] [blame] | 641 | struct clk *mcko = NULL; |
Kuninori Morimoto | bbf1453 | 2013-01-10 00:29:11 -0800 | [diff] [blame] | 642 | |
Kuninori Morimoto | bbf1453 | 2013-01-10 00:29:11 -0800 | [diff] [blame] | 643 | if (np) { |
| 644 | const struct of_device_id *of_id; |
| 645 | |
Kuninori Morimoto | 171a013 | 2015-09-10 06:40:19 +0000 | [diff] [blame] | 646 | mcko = ak4642_of_parse_mcko(dev); |
| 647 | if (IS_ERR(mcko)) |
| 648 | mcko = NULL; |
| 649 | |
Kuninori Morimoto | 2719a75 | 2015-09-10 06:39:59 +0000 | [diff] [blame] | 650 | of_id = of_match_device(ak4642_of_match, dev); |
Kuninori Morimoto | bbf1453 | 2013-01-10 00:29:11 -0800 | [diff] [blame] | 651 | if (of_id) |
Sascha Hauer | d815c70 | 2014-05-14 09:37:35 +0200 | [diff] [blame] | 652 | drvdata = of_id->data; |
Kuninori Morimoto | bbf1453 | 2013-01-10 00:29:11 -0800 | [diff] [blame] | 653 | } else { |
Sascha Hauer | d815c70 | 2014-05-14 09:37:35 +0200 | [diff] [blame] | 654 | drvdata = (const struct ak4642_drvdata *)id->driver_data; |
Kuninori Morimoto | bbf1453 | 2013-01-10 00:29:11 -0800 | [diff] [blame] | 655 | } |
| 656 | |
Sascha Hauer | d815c70 | 2014-05-14 09:37:35 +0200 | [diff] [blame] | 657 | if (!drvdata) { |
Kuninori Morimoto | 2719a75 | 2015-09-10 06:39:59 +0000 | [diff] [blame] | 658 | dev_err(dev, "Unknown device type\n"); |
Kuninori Morimoto | bbf1453 | 2013-01-10 00:29:11 -0800 | [diff] [blame] | 659 | return -EINVAL; |
| 660 | } |
| 661 | |
Kuninori Morimoto | 2719a75 | 2015-09-10 06:39:59 +0000 | [diff] [blame] | 662 | priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); |
Sascha Hauer | d815c70 | 2014-05-14 09:37:35 +0200 | [diff] [blame] | 663 | if (!priv) |
| 664 | return -ENOMEM; |
| 665 | |
| 666 | priv->drvdata = drvdata; |
Kuninori Morimoto | 171a013 | 2015-09-10 06:40:19 +0000 | [diff] [blame] | 667 | priv->mcko = mcko; |
Sascha Hauer | d815c70 | 2014-05-14 09:37:35 +0200 | [diff] [blame] | 668 | |
| 669 | i2c_set_clientdata(i2c, priv); |
| 670 | |
| 671 | regmap = devm_regmap_init_i2c(i2c, drvdata->regmap_config); |
Mark Brown | 4574cd9 | 2013-11-28 18:03:49 +0000 | [diff] [blame] | 672 | if (IS_ERR(regmap)) |
| 673 | return PTR_ERR(regmap); |
| 674 | |
Kuninori Morimoto | 43c5d0f | 2018-01-29 03:13:07 +0000 | [diff] [blame] | 675 | return devm_snd_soc_register_component(dev, |
| 676 | &soc_component_dev_ak4642, &ak4642_dai, 1); |
Kuninori Morimoto | a3a83d9 | 2009-08-21 10:23:41 +0900 | [diff] [blame] | 677 | } |
| 678 | |
Kiran Padwal | 27204ca | 2014-07-28 11:41:04 +0530 | [diff] [blame] | 679 | static const struct of_device_id ak4642_of_match[] = { |
Sascha Hauer | d815c70 | 2014-05-14 09:37:35 +0200 | [diff] [blame] | 680 | { .compatible = "asahi-kasei,ak4642", .data = &ak4642_drvdata}, |
| 681 | { .compatible = "asahi-kasei,ak4643", .data = &ak4643_drvdata}, |
| 682 | { .compatible = "asahi-kasei,ak4648", .data = &ak4648_drvdata}, |
Kuninori Morimoto | bbf1453 | 2013-01-10 00:29:11 -0800 | [diff] [blame] | 683 | {}, |
| 684 | }; |
| 685 | MODULE_DEVICE_TABLE(of, ak4642_of_match); |
| 686 | |
Kuninori Morimoto | a3a83d9 | 2009-08-21 10:23:41 +0900 | [diff] [blame] | 687 | static const struct i2c_device_id ak4642_i2c_id[] = { |
Sascha Hauer | d815c70 | 2014-05-14 09:37:35 +0200 | [diff] [blame] | 688 | { "ak4642", (kernel_ulong_t)&ak4642_drvdata }, |
| 689 | { "ak4643", (kernel_ulong_t)&ak4643_drvdata }, |
| 690 | { "ak4648", (kernel_ulong_t)&ak4648_drvdata }, |
Kuninori Morimoto | a3a83d9 | 2009-08-21 10:23:41 +0900 | [diff] [blame] | 691 | { } |
| 692 | }; |
| 693 | MODULE_DEVICE_TABLE(i2c, ak4642_i2c_id); |
| 694 | |
| 695 | static struct i2c_driver ak4642_i2c_driver = { |
| 696 | .driver = { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 697 | .name = "ak4642-codec", |
Kuninori Morimoto | bbf1453 | 2013-01-10 00:29:11 -0800 | [diff] [blame] | 698 | .of_match_table = ak4642_of_match, |
Kuninori Morimoto | a3a83d9 | 2009-08-21 10:23:41 +0900 | [diff] [blame] | 699 | }, |
Kuninori Morimoto | 0ce75aa | 2010-09-16 13:06:40 +0900 | [diff] [blame] | 700 | .probe = ak4642_i2c_probe, |
Kuninori Morimoto | 0ce75aa | 2010-09-16 13:06:40 +0900 | [diff] [blame] | 701 | .id_table = ak4642_i2c_id, |
Kuninori Morimoto | a3a83d9 | 2009-08-21 10:23:41 +0900 | [diff] [blame] | 702 | }; |
Kuninori Morimoto | a3a83d9 | 2009-08-21 10:23:41 +0900 | [diff] [blame] | 703 | |
Mark Brown | 2f54d2a | 2013-11-28 17:24:55 +0000 | [diff] [blame] | 704 | module_i2c_driver(ak4642_i2c_driver); |
Kuninori Morimoto | a3a83d9 | 2009-08-21 10:23:41 +0900 | [diff] [blame] | 705 | |
| 706 | MODULE_DESCRIPTION("Soc AK4642 driver"); |
| 707 | MODULE_AUTHOR("Kuninori Morimoto <morimoto.kuninori@renesas.com>"); |
Kuninori Morimoto | fe209b9 | 2018-07-30 07:51:41 +0000 | [diff] [blame] | 708 | MODULE_LICENSE("GPL v2"); |