Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 1 | /* |
| 2 | * wm8750.c -- WM8750 ALSA SoC audio driver |
| 3 | * |
| 4 | * Copyright 2005 Openedhand Ltd. |
| 5 | * |
| 6 | * Author: Richard Purdie <richard@openedhand.com> |
| 7 | * |
| 8 | * Based on WM8753.c |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License version 2 as |
| 12 | * published by the Free Software Foundation. |
| 13 | */ |
| 14 | |
| 15 | #include <linux/module.h> |
| 16 | #include <linux/moduleparam.h> |
| 17 | #include <linux/init.h> |
| 18 | #include <linux/delay.h> |
| 19 | #include <linux/pm.h> |
| 20 | #include <linux/i2c.h> |
| 21 | #include <linux/platform_device.h> |
| 22 | #include <sound/driver.h> |
| 23 | #include <sound/core.h> |
| 24 | #include <sound/pcm.h> |
| 25 | #include <sound/pcm_params.h> |
| 26 | #include <sound/soc.h> |
| 27 | #include <sound/soc-dapm.h> |
| 28 | #include <sound/initval.h> |
| 29 | |
| 30 | #include "wm8750.h" |
| 31 | |
| 32 | #define AUDIO_NAME "WM8750" |
| 33 | #define WM8750_VERSION "0.11" |
| 34 | |
| 35 | /* |
| 36 | * Debug |
| 37 | */ |
| 38 | |
| 39 | #define WM8750_DEBUG 0 |
| 40 | |
| 41 | #ifdef WM8750_DEBUG |
| 42 | #define dbg(format, arg...) \ |
| 43 | printk(KERN_DEBUG AUDIO_NAME ": " format "\n" , ## arg) |
| 44 | #else |
| 45 | #define dbg(format, arg...) do {} while (0) |
| 46 | #endif |
| 47 | #define err(format, arg...) \ |
| 48 | printk(KERN_ERR AUDIO_NAME ": " format "\n" , ## arg) |
| 49 | #define info(format, arg...) \ |
| 50 | printk(KERN_INFO AUDIO_NAME ": " format "\n" , ## arg) |
| 51 | #define warn(format, arg...) \ |
| 52 | printk(KERN_WARNING AUDIO_NAME ": " format "\n" , ## arg) |
| 53 | |
| 54 | static struct workqueue_struct *wm8750_workq = NULL; |
| 55 | static struct work_struct wm8750_dapm_work; |
| 56 | |
| 57 | /* |
| 58 | * wm8750 register cache |
| 59 | * We can't read the WM8750 register space when we |
| 60 | * are using 2 wire for device control, so we cache them instead. |
| 61 | */ |
| 62 | static const u16 wm8750_reg[] = { |
| 63 | 0x0097, 0x0097, 0x0079, 0x0079, /* 0 */ |
| 64 | 0x0000, 0x0008, 0x0000, 0x000a, /* 4 */ |
| 65 | 0x0000, 0x0000, 0x00ff, 0x00ff, /* 8 */ |
| 66 | 0x000f, 0x000f, 0x0000, 0x0000, /* 12 */ |
| 67 | 0x0000, 0x007b, 0x0000, 0x0032, /* 16 */ |
| 68 | 0x0000, 0x00c3, 0x00c3, 0x00c0, /* 20 */ |
| 69 | 0x0000, 0x0000, 0x0000, 0x0000, /* 24 */ |
| 70 | 0x0000, 0x0000, 0x0000, 0x0000, /* 28 */ |
| 71 | 0x0000, 0x0000, 0x0050, 0x0050, /* 32 */ |
| 72 | 0x0050, 0x0050, 0x0050, 0x0050, /* 36 */ |
| 73 | 0x0079, 0x0079, 0x0079, /* 40 */ |
| 74 | }; |
| 75 | |
| 76 | #define WM8750_HIFI_DAIFMT \ |
| 77 | (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_RIGHT_J | \ |
| 78 | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_NB_IF | SND_SOC_DAIFMT_IB_NF | \ |
| 79 | SND_SOC_DAIFMT_IB_IF) |
| 80 | |
| 81 | #define WM8750_DIR \ |
| 82 | (SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE) |
| 83 | |
| 84 | #define WM8750_HIFI_FSB \ |
| 85 | (SND_SOC_FSBD(1) | SND_SOC_FSBD(2) | SND_SOC_FSBD(4) | \ |
| 86 | SND_SOC_FSBD(8) | SND_SOC_FSBD(16)) |
| 87 | |
| 88 | #define WM8750_HIFI_RATES \ |
| 89 | (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_16000 | \ |
| 90 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \ |
| 91 | SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000) |
| 92 | |
| 93 | #define WM8750_HIFI_BITS \ |
| 94 | (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \ |
| 95 | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) |
| 96 | |
| 97 | static struct snd_soc_dai_mode wm8750_modes[] = { |
| 98 | /* common codec frame and clock master modes */ |
| 99 | /* 8k */ |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 100 | { |
| 101 | .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 102 | .pcmfmt = WM8750_HIFI_BITS, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 103 | .pcmrate = SNDRV_PCM_RATE_8000, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 104 | .pcmdir = WM8750_DIR, |
| 105 | .flags = SND_SOC_DAI_BFS_DIV, |
| 106 | .fs = 1536, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 107 | .bfs = WM8750_HIFI_FSB, |
| 108 | }, |
| 109 | { |
| 110 | .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 111 | .pcmfmt = WM8750_HIFI_BITS, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 112 | .pcmrate = SNDRV_PCM_RATE_8000, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 113 | .pcmdir = WM8750_DIR, |
| 114 | .flags = SND_SOC_DAI_BFS_DIV, |
| 115 | .fs = 1408, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 116 | .bfs = WM8750_HIFI_FSB, |
| 117 | }, |
| 118 | { |
| 119 | .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 120 | .pcmfmt = WM8750_HIFI_BITS, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 121 | .pcmrate = SNDRV_PCM_RATE_8000, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 122 | .pcmdir = WM8750_DIR, |
| 123 | .flags = SND_SOC_DAI_BFS_DIV, |
| 124 | .fs = 2304, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 125 | .bfs = WM8750_HIFI_FSB, |
| 126 | }, |
| 127 | { |
| 128 | .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 129 | .pcmfmt = WM8750_HIFI_BITS, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 130 | .pcmrate = SNDRV_PCM_RATE_8000, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 131 | .pcmdir = WM8750_DIR, |
| 132 | .flags = SND_SOC_DAI_BFS_DIV, |
| 133 | .fs = 2112, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 134 | .bfs = WM8750_HIFI_FSB, |
| 135 | }, |
| 136 | { |
| 137 | .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 138 | .pcmfmt = WM8750_HIFI_BITS, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 139 | .pcmrate = SNDRV_PCM_RATE_8000, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 140 | .pcmdir = WM8750_DIR, |
| 141 | .flags = SND_SOC_DAI_BFS_DIV, |
| 142 | .fs = 1500, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 143 | .bfs = WM8750_HIFI_FSB, |
| 144 | }, |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 145 | |
| 146 | /* 11.025k */ |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 147 | { |
| 148 | .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 149 | .pcmfmt = WM8750_HIFI_BITS, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 150 | .pcmrate = SNDRV_PCM_RATE_11025, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 151 | .pcmdir = WM8750_DIR, |
| 152 | .flags = SND_SOC_DAI_BFS_DIV, |
| 153 | .fs = 1024, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 154 | .bfs = WM8750_HIFI_FSB, |
| 155 | }, |
| 156 | { |
| 157 | .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 158 | .pcmfmt = WM8750_HIFI_BITS, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 159 | .pcmrate = SNDRV_PCM_RATE_11025, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 160 | .pcmdir = WM8750_DIR, |
| 161 | .flags = SND_SOC_DAI_BFS_DIV, |
| 162 | .fs = 1536, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 163 | .bfs = WM8750_HIFI_FSB, |
| 164 | }, |
| 165 | { |
| 166 | .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 167 | .pcmfmt = WM8750_HIFI_BITS, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 168 | .pcmrate = SNDRV_PCM_RATE_11025, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 169 | .pcmdir = WM8750_DIR, |
| 170 | .flags = SND_SOC_DAI_BFS_DIV, |
| 171 | .fs = 1088, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 172 | .bfs = WM8750_HIFI_FSB, |
| 173 | }, |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 174 | |
| 175 | /* 16k */ |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 176 | { |
| 177 | .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 178 | .pcmfmt = WM8750_HIFI_BITS, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 179 | .pcmrate = SNDRV_PCM_RATE_16000, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 180 | .pcmdir = WM8750_DIR, |
| 181 | .flags = SND_SOC_DAI_BFS_DIV, |
| 182 | .fs = 768, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 183 | .bfs = WM8750_HIFI_FSB, |
| 184 | }, |
| 185 | { |
| 186 | .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 187 | .pcmfmt = WM8750_HIFI_BITS, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 188 | .pcmrate = SNDRV_PCM_RATE_16000, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 189 | .pcmdir = WM8750_DIR, |
| 190 | .flags = SND_SOC_DAI_BFS_DIV, |
| 191 | .fs = 1152, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 192 | .bfs = WM8750_HIFI_FSB |
| 193 | }, |
| 194 | { |
| 195 | .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 196 | .pcmfmt = WM8750_HIFI_BITS, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 197 | .pcmrate = SNDRV_PCM_RATE_16000, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 198 | .pcmdir = WM8750_DIR, |
| 199 | .flags = SND_SOC_DAI_BFS_DIV, |
| 200 | .fs = 750, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 201 | .bfs = WM8750_HIFI_FSB, |
| 202 | }, |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 203 | |
| 204 | /* 22.05k */ |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 205 | { |
| 206 | .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 207 | .pcmfmt = WM8750_HIFI_BITS, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 208 | .pcmrate = SNDRV_PCM_RATE_22050, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 209 | .pcmdir = WM8750_DIR, |
| 210 | .flags = SND_SOC_DAI_BFS_DIV, |
| 211 | .fs = 512, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 212 | .bfs = WM8750_HIFI_FSB, |
| 213 | }, |
| 214 | { |
| 215 | .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 216 | .pcmfmt = WM8750_HIFI_BITS, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 217 | .pcmrate = SNDRV_PCM_RATE_22050, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 218 | .pcmdir = WM8750_DIR, |
| 219 | .flags = SND_SOC_DAI_BFS_DIV, |
| 220 | .fs = 768, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 221 | .bfs = WM8750_HIFI_FSB, |
| 222 | }, |
| 223 | { |
| 224 | .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 225 | .pcmfmt = WM8750_HIFI_BITS, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 226 | .pcmrate = SNDRV_PCM_RATE_22050, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 227 | .pcmdir = WM8750_DIR, |
| 228 | .flags = SND_SOC_DAI_BFS_DIV, |
| 229 | .fs = 544, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 230 | .bfs = WM8750_HIFI_FSB, |
| 231 | }, |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 232 | |
| 233 | /* 32k */ |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 234 | { |
| 235 | .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 236 | .pcmfmt = WM8750_HIFI_BITS, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 237 | .pcmrate = SNDRV_PCM_RATE_32000, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 238 | .pcmdir = WM8750_DIR, |
| 239 | .flags = SND_SOC_DAI_BFS_DIV, |
| 240 | .fs = 384, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 241 | .bfs = WM8750_HIFI_FSB, |
| 242 | }, |
| 243 | { |
| 244 | .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 245 | .pcmfmt = WM8750_HIFI_BITS, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 246 | .pcmrate = SNDRV_PCM_RATE_32000, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 247 | .pcmdir = WM8750_DIR, |
| 248 | .flags = SND_SOC_DAI_BFS_DIV, |
| 249 | .fs = 576, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 250 | .bfs = WM8750_HIFI_FSB, |
| 251 | }, |
| 252 | { |
| 253 | .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 254 | .pcmfmt = WM8750_HIFI_BITS, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 255 | .pcmrate = SNDRV_PCM_RATE_32000, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 256 | .pcmdir = WM8750_DIR, |
| 257 | .flags = SND_SOC_DAI_BFS_DIV, |
| 258 | .fs = 375, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 259 | .bfs = WM8750_HIFI_FSB, |
| 260 | }, |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 261 | |
| 262 | /* 44.1k & 48k */ |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 263 | { |
| 264 | .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 265 | .pcmfmt = WM8750_HIFI_BITS, |
| 266 | .pcmrate = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000, |
| 267 | .pcmdir = WM8750_DIR, |
| 268 | .flags = SND_SOC_DAI_BFS_DIV, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 269 | .fs = 256, |
| 270 | .bfs = WM8750_HIFI_FSB, |
| 271 | }, |
| 272 | { |
| 273 | .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 274 | .pcmfmt = WM8750_HIFI_BITS, |
| 275 | .pcmrate = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000, |
| 276 | .pcmdir = WM8750_DIR, |
| 277 | .flags = SND_SOC_DAI_BFS_DIV, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 278 | .fs = 384, |
| 279 | .bfs = WM8750_HIFI_FSB, |
| 280 | }, |
| 281 | { |
| 282 | .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 283 | .pcmfmt = WM8750_HIFI_BITS, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 284 | .pcmrate = SNDRV_PCM_RATE_44100, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 285 | .pcmdir = WM8750_DIR, |
| 286 | .flags = SND_SOC_DAI_BFS_DIV, |
| 287 | .fs = 272, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 288 | .bfs = WM8750_HIFI_FSB, |
| 289 | }, |
| 290 | { |
| 291 | .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 292 | .pcmfmt = WM8750_HIFI_BITS, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 293 | .pcmrate = SNDRV_PCM_RATE_48000, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 294 | .pcmdir = WM8750_DIR, |
| 295 | .flags = SND_SOC_DAI_BFS_DIV, |
| 296 | .fs = 250, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 297 | .bfs = WM8750_HIFI_FSB, |
| 298 | }, |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 299 | |
| 300 | /* 88.2k & 96k */ |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 301 | { |
| 302 | .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 303 | .pcmfmt = WM8750_HIFI_BITS, |
| 304 | .pcmrate = SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000, |
| 305 | .pcmdir = WM8750_DIR, |
| 306 | .flags = SND_SOC_DAI_BFS_DIV, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 307 | .fs = 128, |
| 308 | .bfs = WM8750_HIFI_FSB, |
| 309 | }, |
| 310 | { |
| 311 | .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 312 | .pcmfmt = WM8750_HIFI_BITS, |
| 313 | .pcmrate = SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000, |
| 314 | .pcmdir = WM8750_DIR, |
| 315 | .flags = SND_SOC_DAI_BFS_DIV, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 316 | .fs = 192, |
| 317 | .bfs = WM8750_HIFI_FSB, |
| 318 | }, |
| 319 | { |
| 320 | .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 321 | .pcmfmt = WM8750_HIFI_BITS, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 322 | .pcmrate = SNDRV_PCM_RATE_88200, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 323 | .pcmdir = WM8750_DIR, |
| 324 | .flags = SND_SOC_DAI_BFS_DIV, |
| 325 | .fs = 136, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 326 | .bfs = WM8750_HIFI_FSB, |
| 327 | }, |
| 328 | { |
| 329 | .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 330 | .pcmfmt = WM8750_HIFI_BITS, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 331 | .pcmrate = SNDRV_PCM_RATE_96000, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 332 | .pcmdir = WM8750_DIR, |
| 333 | .flags = SND_SOC_DAI_BFS_DIV, |
| 334 | .fs = 125, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 335 | .bfs = WM8750_HIFI_FSB, |
| 336 | }, |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 337 | |
| 338 | /* codec frame and clock slave modes */ |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 339 | { |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 340 | .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBS_CFS, |
| 341 | .pcmfmt = WM8750_HIFI_BITS, |
| 342 | .pcmrate = WM8750_HIFI_RATES, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 343 | .pcmdir = WM8750_DIR, |
Takashi Iwai | b3b9c1c | 2006-10-13 20:09:59 +0200 | [diff] [blame^] | 344 | .flags = SND_SOC_DAI_BFS_DIV, |
| 345 | .fs = SND_SOC_FS_ALL, |
Liam Girdwood | 527541f | 2006-10-13 12:33:56 +0200 | [diff] [blame] | 346 | .bfs = SND_SOC_FSBD_ALL, |
| 347 | }, |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 348 | }; |
| 349 | |
| 350 | /* |
| 351 | * read wm8750 register cache |
| 352 | */ |
| 353 | static inline unsigned int wm8750_read_reg_cache(struct snd_soc_codec *codec, |
| 354 | unsigned int reg) |
| 355 | { |
| 356 | u16 *cache = codec->reg_cache; |
| 357 | if (reg > WM8750_CACHE_REGNUM) |
| 358 | return -1; |
| 359 | return cache[reg]; |
| 360 | } |
| 361 | |
| 362 | /* |
| 363 | * write wm8750 register cache |
| 364 | */ |
| 365 | static inline void wm8750_write_reg_cache(struct snd_soc_codec *codec, |
| 366 | unsigned int reg, unsigned int value) |
| 367 | { |
| 368 | u16 *cache = codec->reg_cache; |
| 369 | if (reg > WM8750_CACHE_REGNUM) |
| 370 | return; |
| 371 | cache[reg] = value; |
| 372 | } |
| 373 | |
| 374 | static int wm8750_write(struct snd_soc_codec *codec, unsigned int reg, |
| 375 | unsigned int value) |
| 376 | { |
| 377 | u8 data[2]; |
| 378 | |
| 379 | /* data is |
| 380 | * D15..D9 WM8753 register offset |
| 381 | * D8...D0 register data |
| 382 | */ |
| 383 | data[0] = (reg << 1) | ((value >> 8) & 0x0001); |
| 384 | data[1] = value & 0x00ff; |
| 385 | |
| 386 | wm8750_write_reg_cache (codec, reg, value); |
| 387 | if (codec->hw_write(codec->control_data, data, 2) == 2) |
| 388 | return 0; |
| 389 | else |
| 390 | return -EIO; |
| 391 | } |
| 392 | |
| 393 | #define wm8750_reset(c) wm8750_write(c, WM8750_RESET, 0) |
| 394 | |
| 395 | /* |
| 396 | * WM8750 Controls |
| 397 | */ |
| 398 | static const char *wm8750_bass[] = {"Linear Control", "Adaptive Boost"}; |
| 399 | static const char *wm8750_bass_filter[] = { "130Hz @ 48kHz", "200Hz @ 48kHz" }; |
| 400 | static const char *wm8750_treble[] = {"8kHz", "4kHz"}; |
| 401 | static const char *wm8750_3d_lc[] = {"200Hz", "500Hz"}; |
| 402 | static const char *wm8750_3d_uc[] = {"2.2kHz", "1.5kHz"}; |
| 403 | static const char *wm8750_3d_func[] = {"Capture", "Playback"}; |
| 404 | static const char *wm8750_alc_func[] = {"Off", "Right", "Left", "Stereo"}; |
| 405 | static const char *wm8750_ng_type[] = {"Constant PGA Gain", |
| 406 | "Mute ADC Output"}; |
| 407 | static const char *wm8750_line_mux[] = {"Line 1", "Line 2", "Line 3", "PGA", |
| 408 | "Differential"}; |
| 409 | static const char *wm8750_pga_sel[] = {"Line 1", "Line 2", "Line 3", |
| 410 | "Differential"}; |
| 411 | static const char *wm8750_out3[] = {"VREF", "ROUT1 + Vol", "MonoOut", |
| 412 | "ROUT1"}; |
| 413 | static const char *wm8750_diff_sel[] = {"Line 1", "Line 2"}; |
| 414 | static const char *wm8750_adcpol[] = {"Normal", "L Invert", "R Invert", |
| 415 | "L + R Invert"}; |
| 416 | static const char *wm8750_deemph[] = {"None", "32Khz", "44.1Khz", "48Khz"}; |
| 417 | static const char *wm8750_mono_mux[] = {"Stereo", "Mono (Left)", |
| 418 | "Mono (Right)", "Digital Mono"}; |
| 419 | |
| 420 | static const struct soc_enum wm8750_enum[] = { |
| 421 | SOC_ENUM_SINGLE(WM8750_BASS, 7, 2, wm8750_bass), |
| 422 | SOC_ENUM_SINGLE(WM8750_BASS, 6, 2, wm8750_bass_filter), |
| 423 | SOC_ENUM_SINGLE(WM8750_TREBLE, 6, 2, wm8750_treble), |
| 424 | SOC_ENUM_SINGLE(WM8750_3D, 5, 2, wm8750_3d_lc), |
| 425 | SOC_ENUM_SINGLE(WM8750_3D, 6, 2, wm8750_3d_uc), |
| 426 | SOC_ENUM_SINGLE(WM8750_3D, 7, 2, wm8750_3d_func), |
| 427 | SOC_ENUM_SINGLE(WM8750_ALC1, 7, 4, wm8750_alc_func), |
| 428 | SOC_ENUM_SINGLE(WM8750_NGATE, 1, 2, wm8750_ng_type), |
| 429 | SOC_ENUM_SINGLE(WM8750_LOUTM1, 0, 5, wm8750_line_mux), |
| 430 | SOC_ENUM_SINGLE(WM8750_ROUTM1, 0, 5, wm8750_line_mux), |
| 431 | SOC_ENUM_SINGLE(WM8750_LADCIN, 6, 4, wm8750_pga_sel), /* 10 */ |
| 432 | SOC_ENUM_SINGLE(WM8750_RADCIN, 6, 4, wm8750_pga_sel), |
| 433 | SOC_ENUM_SINGLE(WM8750_ADCTL2, 7, 4, wm8750_out3), |
| 434 | SOC_ENUM_SINGLE(WM8750_ADCIN, 8, 2, wm8750_diff_sel), |
| 435 | SOC_ENUM_SINGLE(WM8750_ADCDAC, 5, 4, wm8750_adcpol), |
| 436 | SOC_ENUM_SINGLE(WM8750_ADCDAC, 1, 4, wm8750_deemph), |
| 437 | SOC_ENUM_SINGLE(WM8750_ADCIN, 6, 4, wm8750_mono_mux), /* 16 */ |
| 438 | |
| 439 | }; |
| 440 | |
| 441 | static const struct snd_kcontrol_new wm8750_snd_controls[] = { |
| 442 | |
| 443 | SOC_DOUBLE_R("Capture Volume", WM8750_LINVOL, WM8750_RINVOL, 0, 63, 0), |
| 444 | SOC_DOUBLE_R("Capture ZC Switch", WM8750_LINVOL, WM8750_RINVOL, 6, 1, 0), |
| 445 | SOC_DOUBLE_R("Capture Switch", WM8750_LINVOL, WM8750_RINVOL, 7, 1, 1), |
| 446 | |
| 447 | SOC_DOUBLE_R("Out1 Playback ZC Switch", WM8750_LOUT1V, |
| 448 | WM8750_ROUT1V, 7, 1, 0), |
| 449 | SOC_DOUBLE_R("Out2 Playback ZC Switch", WM8750_LOUT2V, |
| 450 | WM8750_ROUT2V, 7, 1, 0), |
| 451 | |
| 452 | SOC_ENUM("Playback De-emphasis", wm8750_enum[15]), |
| 453 | |
| 454 | SOC_ENUM("Capture Polarity", wm8750_enum[14]), |
| 455 | SOC_SINGLE("Playback 6dB Attenuate", WM8750_ADCDAC, 7, 1, 0), |
| 456 | SOC_SINGLE("Capture 6dB Attenuate", WM8750_ADCDAC, 8, 1, 0), |
| 457 | |
| 458 | SOC_DOUBLE_R("PCM Volume", WM8750_LDAC, WM8750_RDAC, 0, 255, 0), |
| 459 | |
| 460 | SOC_ENUM("Bass Boost", wm8750_enum[0]), |
| 461 | SOC_ENUM("Bass Filter", wm8750_enum[1]), |
| 462 | SOC_SINGLE("Bass Volume", WM8750_BASS, 0, 15, 1), |
| 463 | |
| 464 | SOC_SINGLE("Treble Volume", WM8750_TREBLE, 0, 15, 0), |
| 465 | SOC_ENUM("Treble Cut-off", wm8750_enum[2]), |
| 466 | |
| 467 | SOC_SINGLE("3D Switch", WM8750_3D, 0, 1, 0), |
| 468 | SOC_SINGLE("3D Volume", WM8750_3D, 1, 15, 0), |
| 469 | SOC_ENUM("3D Lower Cut-off", wm8750_enum[3]), |
| 470 | SOC_ENUM("3D Upper Cut-off", wm8750_enum[4]), |
| 471 | SOC_ENUM("3D Mode", wm8750_enum[5]), |
| 472 | |
| 473 | SOC_SINGLE("ALC Capture Target Volume", WM8750_ALC1, 0, 7, 0), |
| 474 | SOC_SINGLE("ALC Capture Max Volume", WM8750_ALC1, 4, 7, 0), |
| 475 | SOC_ENUM("ALC Capture Function", wm8750_enum[6]), |
| 476 | SOC_SINGLE("ALC Capture ZC Switch", WM8750_ALC2, 7, 1, 0), |
| 477 | SOC_SINGLE("ALC Capture Hold Time", WM8750_ALC2, 0, 15, 0), |
| 478 | SOC_SINGLE("ALC Capture Decay Time", WM8750_ALC3, 4, 15, 0), |
| 479 | SOC_SINGLE("ALC Capture Attack Time", WM8750_ALC3, 0, 15, 0), |
| 480 | SOC_SINGLE("ALC Capture NG Threshold", WM8750_NGATE, 3, 31, 0), |
| 481 | SOC_ENUM("ALC Capture NG Type", wm8750_enum[4]), |
| 482 | SOC_SINGLE("ALC Capture NG Switch", WM8750_NGATE, 0, 1, 0), |
| 483 | |
| 484 | SOC_SINGLE("Left ADC Capture Volume", WM8750_LADC, 0, 255, 0), |
| 485 | SOC_SINGLE("Right ADC Capture Volume", WM8750_RADC, 0, 255, 0), |
| 486 | |
| 487 | SOC_SINGLE("ZC Timeout Switch", WM8750_ADCTL1, 0, 1, 0), |
| 488 | SOC_SINGLE("Playback Invert Switch", WM8750_ADCTL1, 1, 1, 0), |
| 489 | |
| 490 | SOC_SINGLE("Right Out2 Playback Invert Switch", WM8750_ADCTL2, 4, 1, 0), |
| 491 | |
| 492 | /* Unimplemented */ |
| 493 | /* ADCDAC Bit 0 - ADCHPD */ |
| 494 | /* ADCDAC Bit 4 - HPOR */ |
| 495 | /* ADCTL1 Bit 2,3 - DATSEL */ |
| 496 | /* ADCTL1 Bit 4,5 - DMONOMIX */ |
| 497 | /* ADCTL1 Bit 6,7 - VSEL */ |
| 498 | /* ADCTL2 Bit 2 - LRCM */ |
| 499 | /* ADCTL2 Bit 3 - TRI */ |
| 500 | /* ADCTL3 Bit 5 - HPFLREN */ |
| 501 | /* ADCTL3 Bit 6 - VROI */ |
| 502 | /* ADCTL3 Bit 7,8 - ADCLRM */ |
| 503 | /* ADCIN Bit 4 - LDCM */ |
| 504 | /* ADCIN Bit 5 - RDCM */ |
| 505 | |
| 506 | SOC_DOUBLE_R("Mic Boost", WM8750_LADCIN, WM8750_RADCIN, 4, 3, 0), |
| 507 | |
| 508 | SOC_DOUBLE_R("Bypass Left Playback Volume", WM8750_LOUTM1, |
| 509 | WM8750_LOUTM2, 4, 7, 1), |
| 510 | SOC_DOUBLE_R("Bypass Right Playback Volume", WM8750_ROUTM1, |
| 511 | WM8750_ROUTM2, 4, 7, 1), |
| 512 | SOC_DOUBLE_R("Bypass Mono Playback Volume", WM8750_MOUTM1, |
| 513 | WM8750_MOUTM2, 4, 7, 1), |
| 514 | |
| 515 | SOC_SINGLE("Mono Playback ZC Switch", WM8750_MOUTV, 7, 1, 0), |
| 516 | |
| 517 | SOC_DOUBLE_R("Out1 Playback Volume", WM8750_LOUT1V, WM8750_ROUT1V, 0, 127, 0), |
| 518 | SOC_DOUBLE_R("Out2 Playback Volume", WM8750_LOUT2V, WM8750_ROUT2V, 0, 127, 0), |
| 519 | |
| 520 | SOC_SINGLE("Mono Playback Volume", WM8750_MOUTV, 0, 127, 0), |
| 521 | |
| 522 | }; |
| 523 | |
| 524 | /* add non dapm controls */ |
| 525 | static int wm8750_add_controls(struct snd_soc_codec *codec) |
| 526 | { |
| 527 | int err, i; |
| 528 | |
| 529 | for (i = 0; i < ARRAY_SIZE(wm8750_snd_controls); i++) { |
| 530 | err = snd_ctl_add(codec->card, |
| 531 | snd_soc_cnew(&wm8750_snd_controls[i],codec, NULL)); |
| 532 | if (err < 0) |
| 533 | return err; |
| 534 | } |
| 535 | return 0; |
| 536 | } |
| 537 | |
| 538 | /* |
| 539 | * DAPM Controls |
| 540 | */ |
| 541 | |
| 542 | /* Left Mixer */ |
| 543 | static const struct snd_kcontrol_new wm8750_left_mixer_controls[] = { |
| 544 | SOC_DAPM_SINGLE("Playback Switch", WM8750_LOUTM1, 8, 1, 0), |
| 545 | SOC_DAPM_SINGLE("Left Bypass Switch", WM8750_LOUTM1, 7, 1, 0), |
| 546 | SOC_DAPM_SINGLE("Right Playback Switch", WM8750_LOUTM2, 8, 1, 0), |
| 547 | SOC_DAPM_SINGLE("Right Bypass Switch", WM8750_LOUTM2, 7, 1, 0), |
| 548 | }; |
| 549 | |
| 550 | /* Right Mixer */ |
| 551 | static const struct snd_kcontrol_new wm8750_right_mixer_controls[] = { |
| 552 | SOC_DAPM_SINGLE("Left Playback Switch", WM8750_ROUTM1, 8, 1, 0), |
| 553 | SOC_DAPM_SINGLE("Left Bypass Switch", WM8750_ROUTM1, 7, 1, 0), |
| 554 | SOC_DAPM_SINGLE("Playback Switch", WM8750_ROUTM2, 8, 1, 0), |
| 555 | SOC_DAPM_SINGLE("Right Bypass Switch", WM8750_ROUTM2, 7, 1, 0), |
| 556 | }; |
| 557 | |
| 558 | /* Mono Mixer */ |
| 559 | static const struct snd_kcontrol_new wm8750_mono_mixer_controls[] = { |
| 560 | SOC_DAPM_SINGLE("Left Playback Switch", WM8750_MOUTM1, 8, 1, 0), |
| 561 | SOC_DAPM_SINGLE("Left Bypass Switch", WM8750_MOUTM1, 7, 1, 0), |
| 562 | SOC_DAPM_SINGLE("Right Playback Switch", WM8750_MOUTM2, 8, 1, 0), |
| 563 | SOC_DAPM_SINGLE("Right Bypass Switch", WM8750_MOUTM2, 7, 1, 0), |
| 564 | }; |
| 565 | |
| 566 | /* Left Line Mux */ |
| 567 | static const struct snd_kcontrol_new wm8750_left_line_controls = |
| 568 | SOC_DAPM_ENUM("Route", wm8750_enum[8]); |
| 569 | |
| 570 | /* Right Line Mux */ |
| 571 | static const struct snd_kcontrol_new wm8750_right_line_controls = |
| 572 | SOC_DAPM_ENUM("Route", wm8750_enum[9]); |
| 573 | |
| 574 | /* Left PGA Mux */ |
| 575 | static const struct snd_kcontrol_new wm8750_left_pga_controls = |
| 576 | SOC_DAPM_ENUM("Route", wm8750_enum[10]); |
| 577 | |
| 578 | /* Right PGA Mux */ |
| 579 | static const struct snd_kcontrol_new wm8750_right_pga_controls = |
| 580 | SOC_DAPM_ENUM("Route", wm8750_enum[11]); |
| 581 | |
| 582 | /* Out 3 Mux */ |
| 583 | static const struct snd_kcontrol_new wm8750_out3_controls = |
| 584 | SOC_DAPM_ENUM("Route", wm8750_enum[12]); |
| 585 | |
| 586 | /* Differential Mux */ |
| 587 | static const struct snd_kcontrol_new wm8750_diffmux_controls = |
| 588 | SOC_DAPM_ENUM("Route", wm8750_enum[13]); |
| 589 | |
| 590 | /* Mono ADC Mux */ |
| 591 | static const struct snd_kcontrol_new wm8750_monomux_controls = |
| 592 | SOC_DAPM_ENUM("Route", wm8750_enum[16]); |
| 593 | |
| 594 | static const struct snd_soc_dapm_widget wm8750_dapm_widgets[] = { |
| 595 | SND_SOC_DAPM_MIXER("Left Mixer", SND_SOC_NOPM, 0, 0, |
| 596 | &wm8750_left_mixer_controls[0], |
| 597 | ARRAY_SIZE(wm8750_left_mixer_controls)), |
| 598 | SND_SOC_DAPM_MIXER("Right Mixer", SND_SOC_NOPM, 0, 0, |
| 599 | &wm8750_right_mixer_controls[0], |
| 600 | ARRAY_SIZE(wm8750_right_mixer_controls)), |
| 601 | SND_SOC_DAPM_MIXER("Mono Mixer", WM8750_PWR2, 2, 0, |
| 602 | &wm8750_mono_mixer_controls[0], |
| 603 | ARRAY_SIZE(wm8750_mono_mixer_controls)), |
| 604 | |
| 605 | SND_SOC_DAPM_PGA("Right Out 2", WM8750_PWR2, 3, 0, NULL, 0), |
| 606 | SND_SOC_DAPM_PGA("Left Out 2", WM8750_PWR2, 4, 0, NULL, 0), |
| 607 | SND_SOC_DAPM_PGA("Right Out 1", WM8750_PWR2, 5, 0, NULL, 0), |
| 608 | SND_SOC_DAPM_PGA("Left Out 1", WM8750_PWR2, 6, 0, NULL, 0), |
| 609 | SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8750_PWR2, 7, 0), |
| 610 | SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8750_PWR2, 8, 0), |
| 611 | |
| 612 | SND_SOC_DAPM_MICBIAS("Mic Bias", WM8750_PWR1, 1, 0), |
| 613 | SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8750_PWR1, 2, 0), |
| 614 | SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8750_PWR1, 3, 0), |
| 615 | |
| 616 | SND_SOC_DAPM_MUX("Left PGA Mux", WM8750_PWR1, 5, 0, |
| 617 | &wm8750_left_pga_controls), |
| 618 | SND_SOC_DAPM_MUX("Right PGA Mux", WM8750_PWR1, 4, 0, |
| 619 | &wm8750_right_pga_controls), |
| 620 | SND_SOC_DAPM_MUX("Left Line Mux", SND_SOC_NOPM, 0, 0, |
| 621 | &wm8750_left_line_controls), |
| 622 | SND_SOC_DAPM_MUX("Right Line Mux", SND_SOC_NOPM, 0, 0, |
| 623 | &wm8750_right_line_controls), |
| 624 | |
| 625 | SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0, &wm8750_out3_controls), |
| 626 | SND_SOC_DAPM_PGA("Out 3", WM8750_PWR2, 1, 0, NULL, 0), |
| 627 | SND_SOC_DAPM_PGA("Mono Out 1", WM8750_PWR2, 2, 0, NULL, 0), |
| 628 | |
| 629 | SND_SOC_DAPM_MUX("Differential Mux", SND_SOC_NOPM, 0, 0, |
| 630 | &wm8750_diffmux_controls), |
| 631 | SND_SOC_DAPM_MUX("Left ADC Mux", SND_SOC_NOPM, 0, 0, |
| 632 | &wm8750_monomux_controls), |
| 633 | SND_SOC_DAPM_MUX("Right ADC Mux", SND_SOC_NOPM, 0, 0, |
| 634 | &wm8750_monomux_controls), |
| 635 | |
| 636 | SND_SOC_DAPM_OUTPUT("LOUT1"), |
| 637 | SND_SOC_DAPM_OUTPUT("ROUT1"), |
| 638 | SND_SOC_DAPM_OUTPUT("LOUT2"), |
| 639 | SND_SOC_DAPM_OUTPUT("ROUT2"), |
| 640 | SND_SOC_DAPM_OUTPUT("MONO"), |
| 641 | SND_SOC_DAPM_OUTPUT("OUT3"), |
| 642 | |
| 643 | SND_SOC_DAPM_INPUT("LINPUT1"), |
| 644 | SND_SOC_DAPM_INPUT("LINPUT2"), |
| 645 | SND_SOC_DAPM_INPUT("LINPUT3"), |
| 646 | SND_SOC_DAPM_INPUT("RINPUT1"), |
| 647 | SND_SOC_DAPM_INPUT("RINPUT2"), |
| 648 | SND_SOC_DAPM_INPUT("RINPUT3"), |
| 649 | }; |
| 650 | |
| 651 | static const char *audio_map[][3] = { |
| 652 | /* left mixer */ |
| 653 | {"Left Mixer", "Playback Switch", "Left DAC"}, |
| 654 | {"Left Mixer", "Left Bypass Switch", "Left Line Mux"}, |
| 655 | {"Left Mixer", "Right Playback Switch", "Right DAC"}, |
| 656 | {"Left Mixer", "Right Bypass Switch", "Right Line Mux"}, |
| 657 | |
| 658 | /* right mixer */ |
| 659 | {"Right Mixer", "Left Playback Switch", "Left DAC"}, |
| 660 | {"Right Mixer", "Left Bypass Switch", "Left Line Mux"}, |
| 661 | {"Right Mixer", "Playback Switch", "Right DAC"}, |
| 662 | {"Right Mixer", "Right Bypass Switch", "Right Line Mux"}, |
| 663 | |
| 664 | /* left out 1 */ |
| 665 | {"Left Out 1", NULL, "Left Mixer"}, |
| 666 | {"LOUT1", NULL, "Left Out 1"}, |
| 667 | |
| 668 | /* left out 2 */ |
| 669 | {"Left Out 2", NULL, "Left Mixer"}, |
| 670 | {"LOUT2", NULL, "Left Out 2"}, |
| 671 | |
| 672 | /* right out 1 */ |
| 673 | {"Right Out 1", NULL, "Right Mixer"}, |
| 674 | {"ROUT1", NULL, "Right Out 1"}, |
| 675 | |
| 676 | /* right out 2 */ |
| 677 | {"Right Out 2", NULL, "Right Mixer"}, |
| 678 | {"ROUT2", NULL, "Right Out 2"}, |
| 679 | |
| 680 | /* mono mixer */ |
| 681 | {"Mono Mixer", "Left Playback Switch", "Left DAC"}, |
| 682 | {"Mono Mixer", "Left Bypass Switch", "Left Line Mux"}, |
| 683 | {"Mono Mixer", "Right Playback Switch", "Right DAC"}, |
| 684 | {"Mono Mixer", "Right Bypass Switch", "Right Line Mux"}, |
| 685 | |
| 686 | /* mono out */ |
| 687 | {"Mono Out 1", NULL, "Mono Mixer"}, |
| 688 | {"MONO1", NULL, "Mono Out 1"}, |
| 689 | |
| 690 | /* out 3 */ |
| 691 | {"Out3 Mux", "VREF", "VREF"}, |
| 692 | {"Out3 Mux", "ROUT1 + Vol", "ROUT1"}, |
| 693 | {"Out3 Mux", "ROUT1", "Right Mixer"}, |
| 694 | {"Out3 Mux", "MonoOut", "MONO1"}, |
| 695 | {"Out 3", NULL, "Out3 Mux"}, |
| 696 | {"OUT3", NULL, "Out 3"}, |
| 697 | |
| 698 | /* Left Line Mux */ |
| 699 | {"Left Line Mux", "Line 1", "LINPUT1"}, |
| 700 | {"Left Line Mux", "Line 2", "LINPUT2"}, |
| 701 | {"Left Line Mux", "Line 3", "LINPUT3"}, |
| 702 | {"Left Line Mux", "PGA", "Left PGA Mux"}, |
| 703 | {"Left Line Mux", "Differential", "Differential Mux"}, |
| 704 | |
| 705 | /* Right Line Mux */ |
| 706 | {"Right Line Mux", "Line 1", "RINPUT1"}, |
| 707 | {"Right Line Mux", "Line 2", "RINPUT2"}, |
| 708 | {"Right Line Mux", "Line 3", "RINPUT3"}, |
| 709 | {"Right Line Mux", "PGA", "Right PGA Mux"}, |
| 710 | {"Right Line Mux", "Differential", "Differential Mux"}, |
| 711 | |
| 712 | /* Left PGA Mux */ |
| 713 | {"Left PGA Mux", "Line 1", "LINPUT1"}, |
| 714 | {"Left PGA Mux", "Line 2", "LINPUT2"}, |
| 715 | {"Left PGA Mux", "Line 3", "LINPUT3"}, |
| 716 | {"Left PGA Mux", "Differential", "Differential Mux"}, |
| 717 | |
| 718 | /* Right PGA Mux */ |
| 719 | {"Right PGA Mux", "Line 1", "RINPUT1"}, |
| 720 | {"Right PGA Mux", "Line 2", "RINPUT2"}, |
| 721 | {"Right PGA Mux", "Line 3", "RINPUT3"}, |
| 722 | {"Right PGA Mux", "Differential", "Differential Mux"}, |
| 723 | |
| 724 | /* Differential Mux */ |
| 725 | {"Differential Mux", "Line 1", "LINPUT1"}, |
| 726 | {"Differential Mux", "Line 1", "RINPUT1"}, |
| 727 | {"Differential Mux", "Line 2", "LINPUT2"}, |
| 728 | {"Differential Mux", "Line 2", "RINPUT2"}, |
| 729 | |
| 730 | /* Left ADC Mux */ |
| 731 | {"Left ADC Mux", "Stereo", "Left PGA Mux"}, |
| 732 | {"Left ADC Mux", "Mono (Left)", "Left PGA Mux"}, |
| 733 | {"Left ADC Mux", "Digital Mono", "Left PGA Mux"}, |
| 734 | |
| 735 | /* Right ADC Mux */ |
| 736 | {"Right ADC Mux", "Stereo", "Right PGA Mux"}, |
| 737 | {"Right ADC Mux", "Mono (Right)", "Right PGA Mux"}, |
| 738 | {"Right ADC Mux", "Digital Mono", "Right PGA Mux"}, |
| 739 | |
| 740 | /* ADC */ |
| 741 | {"Left ADC", NULL, "Left ADC Mux"}, |
| 742 | {"Right ADC", NULL, "Right ADC Mux"}, |
| 743 | |
| 744 | /* terminator */ |
| 745 | {NULL, NULL, NULL}, |
| 746 | }; |
| 747 | |
| 748 | static int wm8750_add_widgets(struct snd_soc_codec *codec) |
| 749 | { |
| 750 | int i; |
| 751 | |
| 752 | for(i = 0; i < ARRAY_SIZE(wm8750_dapm_widgets); i++) { |
| 753 | snd_soc_dapm_new_control(codec, &wm8750_dapm_widgets[i]); |
| 754 | } |
| 755 | |
| 756 | /* set up audio path audio_mapnects */ |
| 757 | for(i = 0; audio_map[i][0] != NULL; i++) { |
| 758 | snd_soc_dapm_connect_input(codec, audio_map[i][0], |
| 759 | audio_map[i][1], audio_map[i][2]); |
| 760 | } |
| 761 | |
| 762 | snd_soc_dapm_new_widgets(codec); |
| 763 | return 0; |
| 764 | } |
| 765 | |
| 766 | struct _coeff_div { |
| 767 | u32 mclk; |
| 768 | u32 rate; |
| 769 | u16 fs; |
| 770 | u8 sr:5; |
| 771 | u8 usb:1; |
| 772 | }; |
| 773 | |
| 774 | /* codec hifi mclk clock divider coefficients */ |
| 775 | static const struct _coeff_div coeff_div[] = { |
| 776 | /* 8k */ |
| 777 | {12288000, 8000, 1536, 0x6, 0x0}, |
| 778 | {11289600, 8000, 1408, 0x16, 0x0}, |
| 779 | {18432000, 8000, 2304, 0x7, 0x0}, |
| 780 | {16934400, 8000, 2112, 0x17, 0x0}, |
| 781 | {12000000, 8000, 1500, 0x6, 0x1}, |
| 782 | |
| 783 | /* 11.025k */ |
| 784 | {11289600, 11025, 1024, 0x18, 0x0}, |
| 785 | {16934400, 11025, 1536, 0x19, 0x0}, |
| 786 | {12000000, 11025, 1088, 0x19, 0x1}, |
| 787 | |
| 788 | /* 16k */ |
| 789 | {12288000, 16000, 768, 0xa, 0x0}, |
| 790 | {18432000, 16000, 1152, 0xb, 0x0}, |
| 791 | {12000000, 16000, 750, 0xa, 0x1}, |
| 792 | |
| 793 | /* 22.05k */ |
| 794 | {11289600, 22050, 512, 0x1a, 0x0}, |
| 795 | {16934400, 22050, 768, 0x1b, 0x0}, |
| 796 | {12000000, 22050, 544, 0x1b, 0x1}, |
| 797 | |
| 798 | /* 32k */ |
| 799 | {12288000, 32000, 384, 0xc, 0x0}, |
| 800 | {18432000, 32000, 576, 0xd, 0x0}, |
| 801 | {12000000, 32000, 375, 0xa, 0x1}, |
| 802 | |
| 803 | /* 44.1k */ |
| 804 | {11289600, 44100, 256, 0x10, 0x0}, |
| 805 | {16934400, 44100, 384, 0x11, 0x0}, |
| 806 | {12000000, 44100, 272, 0x11, 0x1}, |
| 807 | |
| 808 | /* 48k */ |
| 809 | {12288000, 48000, 256, 0x0, 0x0}, |
| 810 | {18432000, 48000, 384, 0x1, 0x0}, |
| 811 | {12000000, 48000, 250, 0x0, 0x1}, |
| 812 | |
| 813 | /* 88.2k */ |
| 814 | {11289600, 88200, 128, 0x1e, 0x0}, |
| 815 | {16934400, 88200, 192, 0x1f, 0x0}, |
| 816 | {12000000, 88200, 136, 0x1f, 0x1}, |
| 817 | |
| 818 | /* 96k */ |
| 819 | {12288000, 96000, 128, 0xe, 0x0}, |
| 820 | {18432000, 96000, 192, 0xf, 0x0}, |
| 821 | {12000000, 96000, 125, 0xe, 0x1}, |
| 822 | }; |
| 823 | |
| 824 | static inline int get_coeff(int mclk, int rate) |
| 825 | { |
| 826 | int i; |
| 827 | |
| 828 | for (i = 0; i < ARRAY_SIZE(coeff_div); i++) { |
| 829 | if (coeff_div[i].rate == rate && coeff_div[i].mclk == mclk) |
| 830 | return i; |
| 831 | } |
| 832 | return -EINVAL; |
| 833 | } |
| 834 | |
| 835 | /* WM8750 supports numerous input clocks per sample rate */ |
| 836 | static unsigned int wm8750_config_sysclk(struct snd_soc_codec_dai *dai, |
| 837 | struct snd_soc_clock_info *info, unsigned int clk) |
| 838 | { |
| 839 | dai->mclk = 0; |
| 840 | |
| 841 | /* check that the calculated FS and rate actually match a clock from |
| 842 | * the machine driver */ |
| 843 | if (info->fs * info->rate == clk) |
| 844 | dai->mclk = clk; |
| 845 | |
| 846 | return dai->mclk; |
| 847 | } |
| 848 | |
| 849 | static int wm8750_pcm_prepare(struct snd_pcm_substream *substream) |
| 850 | { |
| 851 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| 852 | struct snd_soc_device *socdev = rtd->socdev; |
| 853 | struct snd_soc_codec *codec = socdev->codec; |
| 854 | u16 iface = 0, bfs, srate = 0; |
| 855 | int i = get_coeff(rtd->codec_dai->mclk, |
| 856 | snd_soc_get_rate(rtd->codec_dai->dai_runtime.pcmrate)); |
| 857 | |
| 858 | /* is coefficient valid ? */ |
| 859 | if (i < 0) |
| 860 | return i; |
| 861 | |
| 862 | bfs = SND_SOC_FSB_REAL(rtd->codec_dai->dai_runtime.bfs); |
| 863 | |
| 864 | /* set master/slave audio interface */ |
| 865 | switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_CLOCK_MASK) { |
| 866 | case SND_SOC_DAIFMT_CBM_CFM: |
| 867 | iface = 0x0040; |
| 868 | break; |
| 869 | case SND_SOC_DAIFMT_CBS_CFS: |
| 870 | break; |
| 871 | } |
| 872 | |
| 873 | /* interface format */ |
| 874 | switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_FORMAT_MASK) { |
| 875 | case SND_SOC_DAIFMT_I2S: |
| 876 | iface |= 0x0002; |
| 877 | break; |
| 878 | case SND_SOC_DAIFMT_RIGHT_J: |
| 879 | break; |
| 880 | case SND_SOC_DAIFMT_LEFT_J: |
| 881 | iface |= 0x0001; |
| 882 | break; |
| 883 | case SND_SOC_DAIFMT_DSP_A: |
| 884 | iface |= 0x0003; |
| 885 | break; |
| 886 | case SND_SOC_DAIFMT_DSP_B: |
| 887 | iface |= 0x0013; |
| 888 | break; |
| 889 | } |
| 890 | |
| 891 | /* bit size */ |
| 892 | switch (rtd->codec_dai->dai_runtime.pcmfmt) { |
| 893 | case SNDRV_PCM_FMTBIT_S16_LE: |
| 894 | break; |
| 895 | case SNDRV_PCM_FMTBIT_S20_3LE: |
| 896 | iface |= 0x0004; |
| 897 | break; |
| 898 | case SNDRV_PCM_FMTBIT_S24_LE: |
| 899 | iface |= 0x0008; |
| 900 | break; |
| 901 | case SNDRV_PCM_FMTBIT_S32_LE: |
| 902 | iface |= 0x000c; |
| 903 | break; |
| 904 | } |
| 905 | |
| 906 | /* clock inversion */ |
| 907 | switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_INV_MASK) { |
| 908 | case SND_SOC_DAIFMT_NB_NF: |
| 909 | break; |
| 910 | case SND_SOC_DAIFMT_IB_IF: |
| 911 | iface |= 0x0090; |
| 912 | break; |
| 913 | case SND_SOC_DAIFMT_IB_NF: |
| 914 | iface |= 0x0080; |
| 915 | break; |
| 916 | case SND_SOC_DAIFMT_NB_IF: |
| 917 | iface |= 0x0010; |
| 918 | break; |
| 919 | } |
| 920 | |
| 921 | /* set bclk divisor rate */ |
| 922 | switch (bfs) { |
| 923 | case 1: |
| 924 | break; |
| 925 | case 4: |
| 926 | srate |= (0x1 << 7); |
| 927 | break; |
| 928 | case 8: |
| 929 | srate |= (0x2 << 7); |
| 930 | break; |
| 931 | case 16: |
| 932 | srate |= (0x3 << 7); |
| 933 | break; |
| 934 | } |
| 935 | |
| 936 | /* set iface & srate */ |
| 937 | wm8750_write(codec, WM8750_IFACE, iface); |
| 938 | wm8750_write(codec, WM8750_SRATE, srate | |
| 939 | (coeff_div[i].sr << 1) | coeff_div[i].usb); |
| 940 | |
| 941 | return 0; |
| 942 | } |
| 943 | |
| 944 | static int wm8750_mute(struct snd_soc_codec *codec, |
| 945 | struct snd_soc_codec_dai *dai, int mute) |
| 946 | { |
| 947 | u16 mute_reg = wm8750_read_reg_cache(codec, WM8750_ADCDAC) & 0xfff7; |
| 948 | if (mute) |
| 949 | wm8750_write(codec, WM8750_ADCDAC, mute_reg | 0x8); |
| 950 | else |
| 951 | wm8750_write(codec, WM8750_ADCDAC, mute_reg); |
| 952 | return 0; |
| 953 | } |
| 954 | |
| 955 | static int wm8750_dapm_event(struct snd_soc_codec *codec, int event) |
| 956 | { |
| 957 | u16 pwr_reg = wm8750_read_reg_cache(codec, WM8750_PWR1) & 0xfe3e; |
| 958 | |
| 959 | switch (event) { |
| 960 | case SNDRV_CTL_POWER_D0: /* full On */ |
| 961 | /* set vmid to 50k and unmute dac */ |
| 962 | wm8750_write(codec, WM8750_PWR1, pwr_reg | 0x00c0); |
| 963 | break; |
| 964 | case SNDRV_CTL_POWER_D1: /* partial On */ |
| 965 | case SNDRV_CTL_POWER_D2: /* partial On */ |
| 966 | /* set vmid to 5k for quick power up */ |
| 967 | wm8750_write(codec, WM8750_PWR1, pwr_reg | 0x01c1); |
| 968 | break; |
| 969 | case SNDRV_CTL_POWER_D3hot: /* Off, with power */ |
| 970 | /* mute dac and set vmid to 500k, enable VREF */ |
| 971 | wm8750_write(codec, WM8750_PWR1, pwr_reg | 0x0141); |
| 972 | break; |
| 973 | case SNDRV_CTL_POWER_D3cold: /* Off, without power */ |
| 974 | wm8750_write(codec, WM8750_PWR1, 0x0001); |
| 975 | break; |
| 976 | } |
| 977 | codec->dapm_state = event; |
| 978 | return 0; |
| 979 | } |
| 980 | |
| 981 | struct snd_soc_codec_dai wm8750_dai = { |
| 982 | .name = "WM8750", |
| 983 | .playback = { |
| 984 | .stream_name = "Playback", |
| 985 | .channels_min = 1, |
| 986 | .channels_max = 2, |
| 987 | }, |
| 988 | .capture = { |
| 989 | .stream_name = "Capture", |
| 990 | .channels_min = 1, |
| 991 | .channels_max = 2, |
| 992 | }, |
| 993 | .config_sysclk = wm8750_config_sysclk, |
| 994 | .digital_mute = wm8750_mute, |
| 995 | .ops = { |
| 996 | .prepare = wm8750_pcm_prepare, |
| 997 | }, |
| 998 | .caps = { |
| 999 | .num_modes = ARRAY_SIZE(wm8750_modes), |
| 1000 | .mode = wm8750_modes, |
| 1001 | }, |
| 1002 | }; |
| 1003 | EXPORT_SYMBOL_GPL(wm8750_dai); |
| 1004 | |
| 1005 | static void wm8750_work(void *data) |
| 1006 | { |
| 1007 | struct snd_soc_codec *codec = (struct snd_soc_codec *)data; |
| 1008 | wm8750_dapm_event(codec, codec->dapm_state); |
| 1009 | } |
| 1010 | |
| 1011 | static int wm8750_suspend(struct platform_device *pdev, pm_message_t state) |
| 1012 | { |
| 1013 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); |
| 1014 | struct snd_soc_codec *codec = socdev->codec; |
| 1015 | |
| 1016 | wm8750_dapm_event(codec, SNDRV_CTL_POWER_D3cold); |
| 1017 | return 0; |
| 1018 | } |
| 1019 | |
| 1020 | static int wm8750_resume(struct platform_device *pdev) |
| 1021 | { |
| 1022 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); |
| 1023 | struct snd_soc_codec *codec = socdev->codec; |
| 1024 | int i; |
| 1025 | u8 data[2]; |
| 1026 | u16 *cache = codec->reg_cache; |
| 1027 | |
| 1028 | /* Sync reg_cache with the hardware */ |
| 1029 | for (i = 0; i < ARRAY_SIZE(wm8750_reg); i++) { |
| 1030 | if (i == WM8750_RESET) |
| 1031 | continue; |
| 1032 | data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001); |
| 1033 | data[1] = cache[i] & 0x00ff; |
| 1034 | codec->hw_write(codec->control_data, data, 2); |
| 1035 | } |
| 1036 | |
| 1037 | wm8750_dapm_event(codec, SNDRV_CTL_POWER_D3hot); |
| 1038 | |
| 1039 | /* charge wm8750 caps */ |
| 1040 | if (codec->suspend_dapm_state == SNDRV_CTL_POWER_D0) { |
| 1041 | wm8750_dapm_event(codec, SNDRV_CTL_POWER_D2); |
| 1042 | codec->dapm_state = SNDRV_CTL_POWER_D0; |
| 1043 | queue_delayed_work(wm8750_workq, &wm8750_dapm_work, |
| 1044 | msecs_to_jiffies(1000)); |
| 1045 | } |
| 1046 | |
| 1047 | return 0; |
| 1048 | } |
| 1049 | |
| 1050 | /* |
| 1051 | * initialise the WM8750 driver |
| 1052 | * register the mixer and dsp interfaces with the kernel |
| 1053 | */ |
| 1054 | static int wm8750_init(struct snd_soc_device *socdev) |
| 1055 | { |
| 1056 | struct snd_soc_codec *codec = socdev->codec; |
| 1057 | int reg, ret = 0; |
| 1058 | |
| 1059 | codec->name = "WM8750"; |
| 1060 | codec->owner = THIS_MODULE; |
| 1061 | codec->read = wm8750_read_reg_cache; |
| 1062 | codec->write = wm8750_write; |
| 1063 | codec->dapm_event = wm8750_dapm_event; |
| 1064 | codec->dai = &wm8750_dai; |
| 1065 | codec->num_dai = 1; |
| 1066 | codec->reg_cache_size = ARRAY_SIZE(wm8750_reg); |
| 1067 | |
| 1068 | codec->reg_cache = |
| 1069 | kzalloc(sizeof(u16) * ARRAY_SIZE(wm8750_reg), GFP_KERNEL); |
| 1070 | if (codec->reg_cache == NULL) |
| 1071 | return -ENOMEM; |
| 1072 | memcpy(codec->reg_cache, wm8750_reg, |
| 1073 | sizeof(u16) * ARRAY_SIZE(wm8750_reg)); |
| 1074 | codec->reg_cache_size = sizeof(u16) * ARRAY_SIZE(wm8750_reg); |
| 1075 | |
| 1076 | wm8750_reset(codec); |
| 1077 | |
| 1078 | /* register pcms */ |
| 1079 | ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); |
| 1080 | if (ret < 0) { |
| 1081 | kfree(codec->reg_cache); |
| 1082 | return ret; |
| 1083 | } |
| 1084 | |
| 1085 | /* charge output caps */ |
| 1086 | wm8750_dapm_event(codec, SNDRV_CTL_POWER_D2); |
| 1087 | codec->dapm_state = SNDRV_CTL_POWER_D3hot; |
| 1088 | queue_delayed_work(wm8750_workq, &wm8750_dapm_work, |
| 1089 | msecs_to_jiffies(1000)); |
| 1090 | |
| 1091 | /* set the update bits */ |
| 1092 | reg = wm8750_read_reg_cache(codec, WM8750_LDAC); |
| 1093 | wm8750_write(codec, WM8750_LDAC, reg | 0x0100); |
| 1094 | reg = wm8750_read_reg_cache(codec, WM8750_RDAC); |
| 1095 | wm8750_write(codec, WM8750_RDAC, reg | 0x0100); |
| 1096 | reg = wm8750_read_reg_cache(codec, WM8750_LOUT1V); |
| 1097 | wm8750_write(codec, WM8750_LOUT1V, reg | 0x0100); |
| 1098 | reg = wm8750_read_reg_cache(codec, WM8750_ROUT1V); |
| 1099 | wm8750_write(codec, WM8750_ROUT1V, reg | 0x0100); |
| 1100 | reg = wm8750_read_reg_cache(codec, WM8750_LOUT2V); |
| 1101 | wm8750_write(codec, WM8750_LOUT2V, reg | 0x0100); |
| 1102 | reg = wm8750_read_reg_cache(codec, WM8750_ROUT2V); |
| 1103 | wm8750_write(codec, WM8750_ROUT2V, reg | 0x0100); |
| 1104 | reg = wm8750_read_reg_cache(codec, WM8750_LINVOL); |
| 1105 | wm8750_write(codec, WM8750_LINVOL, reg | 0x0100); |
| 1106 | reg = wm8750_read_reg_cache(codec, WM8750_RINVOL); |
| 1107 | wm8750_write(codec, WM8750_RINVOL, reg | 0x0100); |
| 1108 | |
| 1109 | wm8750_add_controls(codec); |
| 1110 | wm8750_add_widgets(codec); |
| 1111 | ret = snd_soc_register_card(socdev); |
| 1112 | if (ret < 0) { |
| 1113 | snd_soc_free_pcms(socdev); |
| 1114 | snd_soc_dapm_free(socdev); |
| 1115 | } |
| 1116 | |
| 1117 | return ret; |
| 1118 | } |
| 1119 | |
| 1120 | /* If the i2c layer weren't so broken, we could pass this kind of data |
| 1121 | around */ |
| 1122 | static struct snd_soc_device *wm8750_socdev; |
| 1123 | |
| 1124 | #if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE) |
| 1125 | |
| 1126 | /* |
| 1127 | * WM8731 2 wire address is determined by GPIO5 |
| 1128 | * state during powerup. |
| 1129 | * low = 0x1a |
| 1130 | * high = 0x1b |
| 1131 | */ |
| 1132 | static unsigned short normal_i2c[] = { 0, I2C_CLIENT_END }; |
| 1133 | |
| 1134 | /* Magic definition of all other variables and things */ |
| 1135 | I2C_CLIENT_INSMOD; |
| 1136 | |
| 1137 | static struct i2c_driver wm8750_i2c_driver; |
| 1138 | static struct i2c_client client_template; |
| 1139 | |
| 1140 | static int wm8750_codec_probe(struct i2c_adapter *adap, int addr, int kind) |
| 1141 | { |
| 1142 | struct snd_soc_device *socdev = wm8750_socdev; |
| 1143 | struct wm8750_setup_data *setup = socdev->codec_data; |
| 1144 | struct snd_soc_codec *codec = socdev->codec; |
| 1145 | struct i2c_client *i2c; |
| 1146 | int ret; |
| 1147 | |
| 1148 | if (addr != setup->i2c_address) |
| 1149 | return -ENODEV; |
| 1150 | |
| 1151 | client_template.adapter = adap; |
| 1152 | client_template.addr = addr; |
| 1153 | |
| 1154 | i2c = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); |
| 1155 | if (i2c == NULL) { |
| 1156 | kfree(codec); |
| 1157 | return -ENOMEM; |
| 1158 | } |
| 1159 | memcpy(i2c, &client_template, sizeof(struct i2c_client)); |
| 1160 | i2c_set_clientdata(i2c, codec); |
| 1161 | codec->control_data = i2c; |
| 1162 | |
| 1163 | ret = i2c_attach_client(i2c); |
| 1164 | if (ret < 0) { |
| 1165 | err("failed to attach codec at addr %x\n", addr); |
| 1166 | goto err; |
| 1167 | } |
| 1168 | |
| 1169 | ret = wm8750_init(socdev); |
| 1170 | if (ret < 0) { |
| 1171 | err("failed to initialise WM8750\n"); |
| 1172 | goto err; |
| 1173 | } |
| 1174 | return ret; |
| 1175 | |
| 1176 | err: |
| 1177 | kfree(codec); |
| 1178 | kfree(i2c); |
| 1179 | return ret; |
| 1180 | } |
| 1181 | |
| 1182 | static int wm8750_i2c_detach(struct i2c_client *client) |
| 1183 | { |
| 1184 | struct snd_soc_codec *codec = i2c_get_clientdata(client); |
| 1185 | i2c_detach_client(client); |
| 1186 | kfree(codec->reg_cache); |
| 1187 | kfree(client); |
| 1188 | return 0; |
| 1189 | } |
| 1190 | |
| 1191 | static int wm8750_i2c_attach(struct i2c_adapter *adap) |
| 1192 | { |
| 1193 | return i2c_probe(adap, &addr_data, wm8750_codec_probe); |
| 1194 | } |
| 1195 | |
| 1196 | /* corgi i2c codec control layer */ |
| 1197 | static struct i2c_driver wm8750_i2c_driver = { |
| 1198 | .driver = { |
| 1199 | .name = "WM8750 I2C Codec", |
| 1200 | .owner = THIS_MODULE, |
| 1201 | }, |
| 1202 | .id = I2C_DRIVERID_WM8750, |
| 1203 | .attach_adapter = wm8750_i2c_attach, |
| 1204 | .detach_client = wm8750_i2c_detach, |
| 1205 | .command = NULL, |
| 1206 | }; |
| 1207 | |
| 1208 | static struct i2c_client client_template = { |
| 1209 | .name = "WM8750", |
| 1210 | .driver = &wm8750_i2c_driver, |
| 1211 | }; |
| 1212 | #endif |
| 1213 | |
| 1214 | static int wm8750_probe(struct platform_device *pdev) |
| 1215 | { |
| 1216 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); |
| 1217 | struct wm8750_setup_data *setup = socdev->codec_data; |
| 1218 | struct snd_soc_codec *codec; |
| 1219 | int ret = 0; |
| 1220 | |
| 1221 | info("WM8750 Audio Codec %s", WM8750_VERSION); |
| 1222 | codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); |
| 1223 | if (codec == NULL) |
| 1224 | return -ENOMEM; |
| 1225 | |
| 1226 | socdev->codec = codec; |
| 1227 | mutex_init(&codec->mutex); |
| 1228 | INIT_LIST_HEAD(&codec->dapm_widgets); |
| 1229 | INIT_LIST_HEAD(&codec->dapm_paths); |
| 1230 | wm8750_socdev = socdev; |
| 1231 | INIT_WORK(&wm8750_dapm_work, wm8750_work, codec); |
| 1232 | wm8750_workq = create_workqueue("wm8750"); |
| 1233 | if (wm8750_workq == NULL) { |
| 1234 | kfree(codec); |
| 1235 | return -ENOMEM; |
| 1236 | } |
| 1237 | #if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE) |
| 1238 | if (setup->i2c_address) { |
| 1239 | normal_i2c[0] = setup->i2c_address; |
| 1240 | codec->hw_write = (hw_write_t)i2c_master_send; |
| 1241 | ret = i2c_add_driver(&wm8750_i2c_driver); |
| 1242 | if (ret != 0) |
| 1243 | printk(KERN_ERR "can't add i2c driver"); |
| 1244 | } |
| 1245 | #else |
| 1246 | /* Add other interfaces here */ |
| 1247 | #endif |
| 1248 | |
| 1249 | return ret; |
| 1250 | } |
| 1251 | |
| 1252 | /* power down chip */ |
| 1253 | static int wm8750_remove(struct platform_device *pdev) |
| 1254 | { |
| 1255 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); |
| 1256 | struct snd_soc_codec *codec = socdev->codec; |
| 1257 | |
| 1258 | if (codec->control_data) |
| 1259 | wm8750_dapm_event(codec, SNDRV_CTL_POWER_D3cold); |
| 1260 | if (wm8750_workq) |
| 1261 | destroy_workqueue(wm8750_workq); |
| 1262 | snd_soc_free_pcms(socdev); |
| 1263 | snd_soc_dapm_free(socdev); |
| 1264 | #if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE) |
| 1265 | i2c_del_driver(&wm8750_i2c_driver); |
| 1266 | #endif |
| 1267 | kfree(codec); |
| 1268 | |
| 1269 | return 0; |
| 1270 | } |
| 1271 | |
| 1272 | struct snd_soc_codec_device soc_codec_dev_wm8750 = { |
| 1273 | .probe = wm8750_probe, |
| 1274 | .remove = wm8750_remove, |
| 1275 | .suspend = wm8750_suspend, |
| 1276 | .resume = wm8750_resume, |
| 1277 | }; |
| 1278 | |
| 1279 | EXPORT_SYMBOL_GPL(soc_codec_dev_wm8750); |
| 1280 | |
| 1281 | MODULE_DESCRIPTION("ASoC WM8750 driver"); |
| 1282 | MODULE_AUTHOR("Liam Girdwood"); |
| 1283 | MODULE_LICENSE("GPL"); |