Mike Arthur | bd6d417 | 2009-08-18 20:37:49 +0100 | [diff] [blame] | 1 | /* |
| 2 | * wm8711.c -- WM8711 ALSA SoC Audio driver |
| 3 | * |
| 4 | * Copyright 2006 Wolfson Microelectronics |
| 5 | * |
| 6 | * Author: Mike Arthur <linux@wolfsonmicro.com> |
| 7 | * |
| 8 | * Based on wm8731.c by Richard Purdie |
| 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> |
Takashi Iwai | bb26276 | 2009-10-01 07:39:45 +0200 | [diff] [blame] | 22 | #include <linux/spi/spi.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 23 | #include <linux/slab.h> |
Mark Brown | 1552c8f | 2011-08-03 16:52:47 +0900 | [diff] [blame] | 24 | #include <linux/of_device.h> |
Mike Arthur | bd6d417 | 2009-08-18 20:37:49 +0100 | [diff] [blame] | 25 | #include <sound/core.h> |
| 26 | #include <sound/pcm.h> |
| 27 | #include <sound/pcm_params.h> |
| 28 | #include <sound/soc.h> |
Mark Brown | b5ab887 | 2009-08-18 21:29:31 +0100 | [diff] [blame] | 29 | #include <sound/tlv.h> |
Mike Arthur | bd6d417 | 2009-08-18 20:37:49 +0100 | [diff] [blame] | 30 | #include <sound/initval.h> |
| 31 | |
| 32 | #include "wm8711.h" |
| 33 | |
Mike Arthur | bd6d417 | 2009-08-18 20:37:49 +0100 | [diff] [blame] | 34 | /* codec private data */ |
| 35 | struct wm8711_priv { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 36 | enum snd_soc_control_type bus_type; |
Mike Arthur | bd6d417 | 2009-08-18 20:37:49 +0100 | [diff] [blame] | 37 | unsigned int sysclk; |
| 38 | }; |
| 39 | |
| 40 | /* |
| 41 | * wm8711 register cache |
| 42 | * We can't read the WM8711 register space when we are |
| 43 | * using 2 wire for device control, so we cache them instead. |
| 44 | * There is no point in caching the reset register |
| 45 | */ |
| 46 | static const u16 wm8711_reg[WM8711_CACHEREGNUM] = { |
| 47 | 0x0079, 0x0079, 0x000a, 0x0008, |
| 48 | 0x009f, 0x000a, 0x0000, 0x0000 |
| 49 | }; |
| 50 | |
Mark Brown | d97d2e3 | 2009-08-18 21:12:30 +0100 | [diff] [blame] | 51 | #define wm8711_reset(c) snd_soc_write(c, WM8711_RESET, 0) |
Mike Arthur | bd6d417 | 2009-08-18 20:37:49 +0100 | [diff] [blame] | 52 | |
Mark Brown | b5ab887 | 2009-08-18 21:29:31 +0100 | [diff] [blame] | 53 | static const DECLARE_TLV_DB_SCALE(out_tlv, -12100, 100, 1); |
| 54 | |
Mike Arthur | bd6d417 | 2009-08-18 20:37:49 +0100 | [diff] [blame] | 55 | static const struct snd_kcontrol_new wm8711_snd_controls[] = { |
| 56 | |
Mark Brown | b5ab887 | 2009-08-18 21:29:31 +0100 | [diff] [blame] | 57 | SOC_DOUBLE_R_TLV("Master Playback Volume", WM8711_LOUT1V, WM8711_ROUT1V, |
| 58 | 0, 127, 0, out_tlv), |
Mike Arthur | bd6d417 | 2009-08-18 20:37:49 +0100 | [diff] [blame] | 59 | SOC_DOUBLE_R("Master Playback ZC Switch", WM8711_LOUT1V, WM8711_ROUT1V, |
| 60 | 7, 1, 0), |
| 61 | |
| 62 | }; |
| 63 | |
Mike Arthur | bd6d417 | 2009-08-18 20:37:49 +0100 | [diff] [blame] | 64 | /* Output Mixer */ |
| 65 | static const struct snd_kcontrol_new wm8711_output_mixer_controls[] = { |
| 66 | SOC_DAPM_SINGLE("Line Bypass Switch", WM8711_APANA, 3, 1, 0), |
| 67 | SOC_DAPM_SINGLE("HiFi Playback Switch", WM8711_APANA, 4, 1, 0), |
| 68 | }; |
| 69 | |
| 70 | static const struct snd_soc_dapm_widget wm8711_dapm_widgets[] = { |
| 71 | SND_SOC_DAPM_MIXER("Output Mixer", WM8711_PWR, 4, 1, |
| 72 | &wm8711_output_mixer_controls[0], |
| 73 | ARRAY_SIZE(wm8711_output_mixer_controls)), |
| 74 | SND_SOC_DAPM_DAC("DAC", "HiFi Playback", WM8711_PWR, 3, 1), |
| 75 | SND_SOC_DAPM_OUTPUT("LOUT"), |
| 76 | SND_SOC_DAPM_OUTPUT("LHPOUT"), |
| 77 | SND_SOC_DAPM_OUTPUT("ROUT"), |
| 78 | SND_SOC_DAPM_OUTPUT("RHPOUT"), |
| 79 | }; |
| 80 | |
Lu Guanqun | 2031400 | 2011-03-30 21:53:15 +0800 | [diff] [blame] | 81 | static const struct snd_soc_dapm_route wm8711_intercon[] = { |
Mike Arthur | bd6d417 | 2009-08-18 20:37:49 +0100 | [diff] [blame] | 82 | /* output mixer */ |
| 83 | {"Output Mixer", "Line Bypass Switch", "Line Input"}, |
| 84 | {"Output Mixer", "HiFi Playback Switch", "DAC"}, |
| 85 | |
| 86 | /* outputs */ |
| 87 | {"RHPOUT", NULL, "Output Mixer"}, |
| 88 | {"ROUT", NULL, "Output Mixer"}, |
| 89 | {"LHPOUT", NULL, "Output Mixer"}, |
| 90 | {"LOUT", NULL, "Output Mixer"}, |
| 91 | }; |
| 92 | |
Mike Arthur | bd6d417 | 2009-08-18 20:37:49 +0100 | [diff] [blame] | 93 | struct _coeff_div { |
| 94 | u32 mclk; |
| 95 | u32 rate; |
| 96 | u16 fs; |
| 97 | u8 sr:4; |
| 98 | u8 bosr:1; |
| 99 | u8 usb:1; |
| 100 | }; |
| 101 | |
| 102 | /* codec mclk clock divider coefficients */ |
| 103 | static const struct _coeff_div coeff_div[] = { |
| 104 | /* 48k */ |
| 105 | {12288000, 48000, 256, 0x0, 0x0, 0x0}, |
| 106 | {18432000, 48000, 384, 0x0, 0x1, 0x0}, |
| 107 | {12000000, 48000, 250, 0x0, 0x0, 0x1}, |
| 108 | |
| 109 | /* 32k */ |
| 110 | {12288000, 32000, 384, 0x6, 0x0, 0x0}, |
| 111 | {18432000, 32000, 576, 0x6, 0x1, 0x0}, |
| 112 | {12000000, 32000, 375, 0x6, 0x0, 0x1}, |
| 113 | |
| 114 | /* 8k */ |
| 115 | {12288000, 8000, 1536, 0x3, 0x0, 0x0}, |
| 116 | {18432000, 8000, 2304, 0x3, 0x1, 0x0}, |
| 117 | {11289600, 8000, 1408, 0xb, 0x0, 0x0}, |
| 118 | {16934400, 8000, 2112, 0xb, 0x1, 0x0}, |
| 119 | {12000000, 8000, 1500, 0x3, 0x0, 0x1}, |
| 120 | |
| 121 | /* 96k */ |
| 122 | {12288000, 96000, 128, 0x7, 0x0, 0x0}, |
| 123 | {18432000, 96000, 192, 0x7, 0x1, 0x0}, |
| 124 | {12000000, 96000, 125, 0x7, 0x0, 0x1}, |
| 125 | |
| 126 | /* 44.1k */ |
| 127 | {11289600, 44100, 256, 0x8, 0x0, 0x0}, |
| 128 | {16934400, 44100, 384, 0x8, 0x1, 0x0}, |
| 129 | {12000000, 44100, 272, 0x8, 0x1, 0x1}, |
| 130 | |
| 131 | /* 88.2k */ |
| 132 | {11289600, 88200, 128, 0xf, 0x0, 0x0}, |
| 133 | {16934400, 88200, 192, 0xf, 0x1, 0x0}, |
| 134 | {12000000, 88200, 136, 0xf, 0x1, 0x1}, |
| 135 | }; |
| 136 | |
| 137 | static inline int get_coeff(int mclk, int rate) |
| 138 | { |
| 139 | int i; |
| 140 | |
| 141 | for (i = 0; i < ARRAY_SIZE(coeff_div); i++) { |
| 142 | if (coeff_div[i].rate == rate && coeff_div[i].mclk == mclk) |
| 143 | return i; |
| 144 | } |
| 145 | return 0; |
| 146 | } |
| 147 | |
| 148 | static int wm8711_hw_params(struct snd_pcm_substream *substream, |
| 149 | struct snd_pcm_hw_params *params, |
| 150 | struct snd_soc_dai *dai) |
| 151 | { |
| 152 | struct snd_soc_codec *codec = dai->codec; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 153 | struct wm8711_priv *wm8711 = snd_soc_codec_get_drvdata(codec); |
Mark Brown | d97d2e3 | 2009-08-18 21:12:30 +0100 | [diff] [blame] | 154 | u16 iface = snd_soc_read(codec, WM8711_IFACE) & 0xfffc; |
Mike Arthur | bd6d417 | 2009-08-18 20:37:49 +0100 | [diff] [blame] | 155 | int i = get_coeff(wm8711->sysclk, params_rate(params)); |
| 156 | u16 srate = (coeff_div[i].sr << 2) | |
| 157 | (coeff_div[i].bosr << 1) | coeff_div[i].usb; |
| 158 | |
Mark Brown | d97d2e3 | 2009-08-18 21:12:30 +0100 | [diff] [blame] | 159 | snd_soc_write(codec, WM8711_SRATE, srate); |
Mike Arthur | bd6d417 | 2009-08-18 20:37:49 +0100 | [diff] [blame] | 160 | |
| 161 | /* bit size */ |
| 162 | switch (params_format(params)) { |
| 163 | case SNDRV_PCM_FORMAT_S16_LE: |
| 164 | break; |
| 165 | case SNDRV_PCM_FORMAT_S20_3LE: |
| 166 | iface |= 0x0004; |
| 167 | break; |
| 168 | case SNDRV_PCM_FORMAT_S24_LE: |
| 169 | iface |= 0x0008; |
| 170 | break; |
| 171 | } |
| 172 | |
Mark Brown | d97d2e3 | 2009-08-18 21:12:30 +0100 | [diff] [blame] | 173 | snd_soc_write(codec, WM8711_IFACE, iface); |
Mike Arthur | bd6d417 | 2009-08-18 20:37:49 +0100 | [diff] [blame] | 174 | return 0; |
| 175 | } |
| 176 | |
| 177 | static int wm8711_pcm_prepare(struct snd_pcm_substream *substream, |
| 178 | struct snd_soc_dai *dai) |
| 179 | { |
| 180 | struct snd_soc_codec *codec = dai->codec; |
| 181 | |
| 182 | /* set active */ |
Mark Brown | d97d2e3 | 2009-08-18 21:12:30 +0100 | [diff] [blame] | 183 | snd_soc_write(codec, WM8711_ACTIVE, 0x0001); |
Mike Arthur | bd6d417 | 2009-08-18 20:37:49 +0100 | [diff] [blame] | 184 | |
| 185 | return 0; |
| 186 | } |
| 187 | |
| 188 | static void wm8711_shutdown(struct snd_pcm_substream *substream, |
| 189 | struct snd_soc_dai *dai) |
| 190 | { |
| 191 | struct snd_soc_codec *codec = dai->codec; |
| 192 | |
| 193 | /* deactivate */ |
| 194 | if (!codec->active) { |
| 195 | udelay(50); |
Mark Brown | d97d2e3 | 2009-08-18 21:12:30 +0100 | [diff] [blame] | 196 | snd_soc_write(codec, WM8711_ACTIVE, 0x0); |
Mike Arthur | bd6d417 | 2009-08-18 20:37:49 +0100 | [diff] [blame] | 197 | } |
| 198 | } |
| 199 | |
| 200 | static int wm8711_mute(struct snd_soc_dai *dai, int mute) |
| 201 | { |
| 202 | struct snd_soc_codec *codec = dai->codec; |
Mark Brown | d97d2e3 | 2009-08-18 21:12:30 +0100 | [diff] [blame] | 203 | u16 mute_reg = snd_soc_read(codec, WM8711_APDIGI) & 0xfff7; |
Mike Arthur | bd6d417 | 2009-08-18 20:37:49 +0100 | [diff] [blame] | 204 | |
| 205 | if (mute) |
Mark Brown | d97d2e3 | 2009-08-18 21:12:30 +0100 | [diff] [blame] | 206 | snd_soc_write(codec, WM8711_APDIGI, mute_reg | 0x8); |
Mike Arthur | bd6d417 | 2009-08-18 20:37:49 +0100 | [diff] [blame] | 207 | else |
Mark Brown | d97d2e3 | 2009-08-18 21:12:30 +0100 | [diff] [blame] | 208 | snd_soc_write(codec, WM8711_APDIGI, mute_reg); |
Mike Arthur | bd6d417 | 2009-08-18 20:37:49 +0100 | [diff] [blame] | 209 | |
| 210 | return 0; |
| 211 | } |
| 212 | |
| 213 | static int wm8711_set_dai_sysclk(struct snd_soc_dai *codec_dai, |
| 214 | int clk_id, unsigned int freq, int dir) |
| 215 | { |
| 216 | struct snd_soc_codec *codec = codec_dai->codec; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 217 | struct wm8711_priv *wm8711 = snd_soc_codec_get_drvdata(codec); |
Mike Arthur | bd6d417 | 2009-08-18 20:37:49 +0100 | [diff] [blame] | 218 | |
| 219 | switch (freq) { |
| 220 | case 11289600: |
| 221 | case 12000000: |
| 222 | case 12288000: |
| 223 | case 16934400: |
| 224 | case 18432000: |
| 225 | wm8711->sysclk = freq; |
| 226 | return 0; |
| 227 | } |
| 228 | return -EINVAL; |
| 229 | } |
| 230 | |
| 231 | static int wm8711_set_dai_fmt(struct snd_soc_dai *codec_dai, |
| 232 | unsigned int fmt) |
| 233 | { |
| 234 | struct snd_soc_codec *codec = codec_dai->codec; |
| 235 | u16 iface = 0; |
| 236 | |
| 237 | /* set master/slave audio interface */ |
| 238 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { |
| 239 | case SND_SOC_DAIFMT_CBM_CFM: |
| 240 | iface |= 0x0040; |
| 241 | break; |
| 242 | case SND_SOC_DAIFMT_CBS_CFS: |
| 243 | break; |
| 244 | default: |
| 245 | return -EINVAL; |
| 246 | } |
| 247 | |
| 248 | /* interface format */ |
| 249 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { |
| 250 | case SND_SOC_DAIFMT_I2S: |
| 251 | iface |= 0x0002; |
| 252 | break; |
| 253 | case SND_SOC_DAIFMT_RIGHT_J: |
| 254 | break; |
| 255 | case SND_SOC_DAIFMT_LEFT_J: |
| 256 | iface |= 0x0001; |
| 257 | break; |
| 258 | case SND_SOC_DAIFMT_DSP_A: |
| 259 | iface |= 0x0003; |
| 260 | break; |
| 261 | case SND_SOC_DAIFMT_DSP_B: |
| 262 | iface |= 0x0013; |
| 263 | break; |
| 264 | default: |
| 265 | return -EINVAL; |
| 266 | } |
| 267 | |
| 268 | /* clock inversion */ |
| 269 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { |
| 270 | case SND_SOC_DAIFMT_NB_NF: |
| 271 | break; |
| 272 | case SND_SOC_DAIFMT_IB_IF: |
| 273 | iface |= 0x0090; |
| 274 | break; |
| 275 | case SND_SOC_DAIFMT_IB_NF: |
| 276 | iface |= 0x0080; |
| 277 | break; |
| 278 | case SND_SOC_DAIFMT_NB_IF: |
| 279 | iface |= 0x0010; |
| 280 | break; |
| 281 | default: |
| 282 | return -EINVAL; |
| 283 | } |
| 284 | |
| 285 | /* set iface */ |
Mark Brown | d97d2e3 | 2009-08-18 21:12:30 +0100 | [diff] [blame] | 286 | snd_soc_write(codec, WM8711_IFACE, iface); |
Mike Arthur | bd6d417 | 2009-08-18 20:37:49 +0100 | [diff] [blame] | 287 | return 0; |
| 288 | } |
| 289 | |
| 290 | |
| 291 | static int wm8711_set_bias_level(struct snd_soc_codec *codec, |
| 292 | enum snd_soc_bias_level level) |
| 293 | { |
Mark Brown | d97d2e3 | 2009-08-18 21:12:30 +0100 | [diff] [blame] | 294 | u16 reg = snd_soc_read(codec, WM8711_PWR) & 0xff7f; |
Mike Arthur | bd6d417 | 2009-08-18 20:37:49 +0100 | [diff] [blame] | 295 | |
| 296 | switch (level) { |
| 297 | case SND_SOC_BIAS_ON: |
Mark Brown | d97d2e3 | 2009-08-18 21:12:30 +0100 | [diff] [blame] | 298 | snd_soc_write(codec, WM8711_PWR, reg); |
Mike Arthur | bd6d417 | 2009-08-18 20:37:49 +0100 | [diff] [blame] | 299 | break; |
| 300 | case SND_SOC_BIAS_PREPARE: |
| 301 | break; |
| 302 | case SND_SOC_BIAS_STANDBY: |
Mark Brown | d97d2e3 | 2009-08-18 21:12:30 +0100 | [diff] [blame] | 303 | snd_soc_write(codec, WM8711_PWR, reg | 0x0040); |
Mike Arthur | bd6d417 | 2009-08-18 20:37:49 +0100 | [diff] [blame] | 304 | break; |
| 305 | case SND_SOC_BIAS_OFF: |
Mark Brown | d97d2e3 | 2009-08-18 21:12:30 +0100 | [diff] [blame] | 306 | snd_soc_write(codec, WM8711_ACTIVE, 0x0); |
| 307 | snd_soc_write(codec, WM8711_PWR, 0xffff); |
Mike Arthur | bd6d417 | 2009-08-18 20:37:49 +0100 | [diff] [blame] | 308 | break; |
| 309 | } |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 310 | codec->dapm.bias_level = level; |
Mike Arthur | bd6d417 | 2009-08-18 20:37:49 +0100 | [diff] [blame] | 311 | return 0; |
| 312 | } |
| 313 | |
Mark Brown | 431f777 | 2009-08-18 21:17:34 +0100 | [diff] [blame] | 314 | #define WM8711_RATES SNDRV_PCM_RATE_8000_96000 |
Mike Arthur | bd6d417 | 2009-08-18 20:37:49 +0100 | [diff] [blame] | 315 | |
| 316 | #define WM8711_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ |
| 317 | SNDRV_PCM_FMTBIT_S24_LE) |
| 318 | |
| 319 | static struct snd_soc_dai_ops wm8711_ops = { |
| 320 | .prepare = wm8711_pcm_prepare, |
| 321 | .hw_params = wm8711_hw_params, |
| 322 | .shutdown = wm8711_shutdown, |
| 323 | .digital_mute = wm8711_mute, |
| 324 | .set_sysclk = wm8711_set_dai_sysclk, |
| 325 | .set_fmt = wm8711_set_dai_fmt, |
| 326 | }; |
| 327 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 328 | static struct snd_soc_dai_driver wm8711_dai = { |
| 329 | .name = "wm8711-hifi", |
Mike Arthur | bd6d417 | 2009-08-18 20:37:49 +0100 | [diff] [blame] | 330 | .playback = { |
| 331 | .stream_name = "Playback", |
| 332 | .channels_min = 1, |
| 333 | .channels_max = 2, |
| 334 | .rates = WM8711_RATES, |
Mark Brown | 431f777 | 2009-08-18 21:17:34 +0100 | [diff] [blame] | 335 | .formats = WM8711_FORMATS, |
| 336 | }, |
Mike Arthur | bd6d417 | 2009-08-18 20:37:49 +0100 | [diff] [blame] | 337 | .ops = &wm8711_ops, |
| 338 | }; |
Mike Arthur | bd6d417 | 2009-08-18 20:37:49 +0100 | [diff] [blame] | 339 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 340 | static int wm8711_suspend(struct snd_soc_codec *codec, pm_message_t state) |
Mike Arthur | bd6d417 | 2009-08-18 20:37:49 +0100 | [diff] [blame] | 341 | { |
Mark Brown | d97d2e3 | 2009-08-18 21:12:30 +0100 | [diff] [blame] | 342 | snd_soc_write(codec, WM8711_ACTIVE, 0x0); |
Mike Arthur | bd6d417 | 2009-08-18 20:37:49 +0100 | [diff] [blame] | 343 | wm8711_set_bias_level(codec, SND_SOC_BIAS_OFF); |
| 344 | return 0; |
| 345 | } |
| 346 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 347 | static int wm8711_resume(struct snd_soc_codec *codec) |
Mike Arthur | bd6d417 | 2009-08-18 20:37:49 +0100 | [diff] [blame] | 348 | { |
Mike Arthur | bd6d417 | 2009-08-18 20:37:49 +0100 | [diff] [blame] | 349 | int i; |
| 350 | u8 data[2]; |
| 351 | u16 *cache = codec->reg_cache; |
| 352 | |
| 353 | /* Sync reg_cache with the hardware */ |
| 354 | for (i = 0; i < ARRAY_SIZE(wm8711_reg); i++) { |
| 355 | data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001); |
| 356 | data[1] = cache[i] & 0x00ff; |
| 357 | codec->hw_write(codec->control_data, data, 2); |
| 358 | } |
| 359 | wm8711_set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
Mark Brown | 29e189c | 2010-05-07 20:30:00 +0100 | [diff] [blame] | 360 | |
Mike Arthur | bd6d417 | 2009-08-18 20:37:49 +0100 | [diff] [blame] | 361 | return 0; |
| 362 | } |
| 363 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 364 | static int wm8711_probe(struct snd_soc_codec *codec) |
Mike Arthur | bd6d417 | 2009-08-18 20:37:49 +0100 | [diff] [blame] | 365 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 366 | struct wm8711_priv *wm8711 = snd_soc_codec_get_drvdata(codec); |
| 367 | int ret, reg; |
Mike Arthur | bd6d417 | 2009-08-18 20:37:49 +0100 | [diff] [blame] | 368 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 369 | ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8711->bus_type); |
Mark Brown | d97d2e3 | 2009-08-18 21:12:30 +0100 | [diff] [blame] | 370 | if (ret < 0) { |
| 371 | dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 372 | return ret; |
Mark Brown | d97d2e3 | 2009-08-18 21:12:30 +0100 | [diff] [blame] | 373 | } |
| 374 | |
Mark Brown | 318b0b8 | 2009-08-18 20:57:33 +0100 | [diff] [blame] | 375 | ret = wm8711_reset(codec); |
| 376 | if (ret < 0) { |
| 377 | dev_err(codec->dev, "Failed to issue reset\n"); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 378 | return ret; |
Mark Brown | 318b0b8 | 2009-08-18 20:57:33 +0100 | [diff] [blame] | 379 | } |
| 380 | |
Mark Brown | 318b0b8 | 2009-08-18 20:57:33 +0100 | [diff] [blame] | 381 | wm8711_set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
| 382 | |
| 383 | /* Latch the update bits */ |
Axel Lin | 11b9ce6 | 2011-10-04 09:55:45 +0800 | [diff] [blame^] | 384 | snd_soc_update_bits(codec, WM8711_LOUT1V, 0x0100, 0x0100); |
| 385 | snd_soc_update_bits(codec, WM8711_ROUT1V, 0x0100, 0x0100); |
Mark Brown | 318b0b8 | 2009-08-18 20:57:33 +0100 | [diff] [blame] | 386 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 387 | snd_soc_add_controls(codec, wm8711_snd_controls, |
| 388 | ARRAY_SIZE(wm8711_snd_controls)); |
Mark Brown | 318b0b8 | 2009-08-18 20:57:33 +0100 | [diff] [blame] | 389 | |
Mark Brown | d97d2e3 | 2009-08-18 21:12:30 +0100 | [diff] [blame] | 390 | return ret; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 391 | |
Mark Brown | 318b0b8 | 2009-08-18 20:57:33 +0100 | [diff] [blame] | 392 | } |
| 393 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 394 | /* power down chip */ |
| 395 | static int wm8711_remove(struct snd_soc_codec *codec) |
Mark Brown | 318b0b8 | 2009-08-18 20:57:33 +0100 | [diff] [blame] | 396 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 397 | wm8711_set_bias_level(codec, SND_SOC_BIAS_OFF); |
| 398 | return 0; |
Mark Brown | 318b0b8 | 2009-08-18 20:57:33 +0100 | [diff] [blame] | 399 | } |
| 400 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 401 | static struct snd_soc_codec_driver soc_codec_dev_wm8711 = { |
| 402 | .probe = wm8711_probe, |
| 403 | .remove = wm8711_remove, |
| 404 | .suspend = wm8711_suspend, |
| 405 | .resume = wm8711_resume, |
| 406 | .set_bias_level = wm8711_set_bias_level, |
Dimitris Papastamos | e5eec34 | 2010-09-10 18:14:56 +0100 | [diff] [blame] | 407 | .reg_cache_size = ARRAY_SIZE(wm8711_reg), |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 408 | .reg_word_size = sizeof(u16), |
| 409 | .reg_cache_default = wm8711_reg, |
Lu Guanqun | 2031400 | 2011-03-30 21:53:15 +0800 | [diff] [blame] | 410 | .dapm_widgets = wm8711_dapm_widgets, |
| 411 | .num_dapm_widgets = ARRAY_SIZE(wm8711_dapm_widgets), |
| 412 | .dapm_routes = wm8711_intercon, |
| 413 | .num_dapm_routes = ARRAY_SIZE(wm8711_intercon), |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 414 | }; |
| 415 | |
Mark Brown | 1552c8f | 2011-08-03 16:52:47 +0900 | [diff] [blame] | 416 | static const struct of_device_id wm8711_of_match[] = { |
| 417 | { .compatible = "wlf,wm8711", }, |
| 418 | { } |
| 419 | }; |
| 420 | MODULE_DEVICE_TABLE(of, wm8711_of_match); |
| 421 | |
Mark Brown | 08aff8c | 2009-08-18 21:15:14 +0100 | [diff] [blame] | 422 | #if defined(CONFIG_SPI_MASTER) |
| 423 | static int __devinit wm8711_spi_probe(struct spi_device *spi) |
| 424 | { |
Mark Brown | 08aff8c | 2009-08-18 21:15:14 +0100 | [diff] [blame] | 425 | struct wm8711_priv *wm8711; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 426 | int ret; |
Mark Brown | 08aff8c | 2009-08-18 21:15:14 +0100 | [diff] [blame] | 427 | |
| 428 | wm8711 = kzalloc(sizeof(struct wm8711_priv), GFP_KERNEL); |
| 429 | if (wm8711 == NULL) |
| 430 | return -ENOMEM; |
| 431 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 432 | spi_set_drvdata(spi, wm8711); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 433 | wm8711->bus_type = SND_SOC_SPI; |
Mark Brown | 08aff8c | 2009-08-18 21:15:14 +0100 | [diff] [blame] | 434 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 435 | ret = snd_soc_register_codec(&spi->dev, |
| 436 | &soc_codec_dev_wm8711, &wm8711_dai, 1); |
| 437 | if (ret < 0) |
| 438 | kfree(wm8711); |
| 439 | return ret; |
Mark Brown | 08aff8c | 2009-08-18 21:15:14 +0100 | [diff] [blame] | 440 | } |
| 441 | |
| 442 | static int __devexit wm8711_spi_remove(struct spi_device *spi) |
| 443 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 444 | snd_soc_unregister_codec(&spi->dev); |
| 445 | kfree(spi_get_drvdata(spi)); |
Mark Brown | 08aff8c | 2009-08-18 21:15:14 +0100 | [diff] [blame] | 446 | return 0; |
| 447 | } |
| 448 | |
Mark Brown | 08aff8c | 2009-08-18 21:15:14 +0100 | [diff] [blame] | 449 | static struct spi_driver wm8711_spi_driver = { |
| 450 | .driver = { |
Mark Brown | 0473e61 | 2011-08-03 16:52:10 +0900 | [diff] [blame] | 451 | .name = "wm8711", |
Mark Brown | 08aff8c | 2009-08-18 21:15:14 +0100 | [diff] [blame] | 452 | .owner = THIS_MODULE, |
Mark Brown | 1552c8f | 2011-08-03 16:52:47 +0900 | [diff] [blame] | 453 | .of_match_table = wm8711_of_match, |
Mark Brown | 08aff8c | 2009-08-18 21:15:14 +0100 | [diff] [blame] | 454 | }, |
| 455 | .probe = wm8711_spi_probe, |
Mark Brown | 08aff8c | 2009-08-18 21:15:14 +0100 | [diff] [blame] | 456 | .remove = __devexit_p(wm8711_spi_remove), |
| 457 | }; |
| 458 | #endif /* CONFIG_SPI_MASTER */ |
| 459 | |
Mark Brown | 318b0b8 | 2009-08-18 20:57:33 +0100 | [diff] [blame] | 460 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 461 | static __devinit int wm8711_i2c_probe(struct i2c_client *client, |
Mark Brown | 318b0b8 | 2009-08-18 20:57:33 +0100 | [diff] [blame] | 462 | const struct i2c_device_id *id) |
| 463 | { |
| 464 | struct wm8711_priv *wm8711; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 465 | int ret; |
Mark Brown | 318b0b8 | 2009-08-18 20:57:33 +0100 | [diff] [blame] | 466 | |
| 467 | wm8711 = kzalloc(sizeof(struct wm8711_priv), GFP_KERNEL); |
| 468 | if (wm8711 == NULL) |
| 469 | return -ENOMEM; |
| 470 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 471 | i2c_set_clientdata(client, wm8711); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 472 | wm8711->bus_type = SND_SOC_I2C; |
Mark Brown | 318b0b8 | 2009-08-18 20:57:33 +0100 | [diff] [blame] | 473 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 474 | ret = snd_soc_register_codec(&client->dev, |
| 475 | &soc_codec_dev_wm8711, &wm8711_dai, 1); |
| 476 | if (ret < 0) |
| 477 | kfree(wm8711); |
| 478 | return ret; |
Mark Brown | 318b0b8 | 2009-08-18 20:57:33 +0100 | [diff] [blame] | 479 | } |
| 480 | |
| 481 | static __devexit int wm8711_i2c_remove(struct i2c_client *client) |
| 482 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 483 | snd_soc_unregister_codec(&client->dev); |
| 484 | kfree(i2c_get_clientdata(client)); |
Mark Brown | 318b0b8 | 2009-08-18 20:57:33 +0100 | [diff] [blame] | 485 | return 0; |
| 486 | } |
| 487 | |
| 488 | static const struct i2c_device_id wm8711_i2c_id[] = { |
| 489 | { "wm8711", 0 }, |
| 490 | { } |
| 491 | }; |
| 492 | MODULE_DEVICE_TABLE(i2c, wm8711_i2c_id); |
| 493 | |
| 494 | static struct i2c_driver wm8711_i2c_driver = { |
| 495 | .driver = { |
Mark Brown | 0473e61 | 2011-08-03 16:52:10 +0900 | [diff] [blame] | 496 | .name = "wm8711", |
Mark Brown | 318b0b8 | 2009-08-18 20:57:33 +0100 | [diff] [blame] | 497 | .owner = THIS_MODULE, |
Mark Brown | 1552c8f | 2011-08-03 16:52:47 +0900 | [diff] [blame] | 498 | .of_match_table = wm8711_of_match, |
Mark Brown | 318b0b8 | 2009-08-18 20:57:33 +0100 | [diff] [blame] | 499 | }, |
| 500 | .probe = wm8711_i2c_probe, |
| 501 | .remove = __devexit_p(wm8711_i2c_remove), |
| 502 | .id_table = wm8711_i2c_id, |
| 503 | }; |
| 504 | #endif |
| 505 | |
Mike Arthur | bd6d417 | 2009-08-18 20:37:49 +0100 | [diff] [blame] | 506 | static int __init wm8711_modinit(void) |
| 507 | { |
Mark Brown | 318b0b8 | 2009-08-18 20:57:33 +0100 | [diff] [blame] | 508 | int ret; |
| 509 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) |
| 510 | ret = i2c_add_driver(&wm8711_i2c_driver); |
| 511 | if (ret != 0) { |
| 512 | printk(KERN_ERR "Failed to register WM8711 I2C driver: %d\n", |
| 513 | ret); |
| 514 | } |
| 515 | #endif |
Mark Brown | 08aff8c | 2009-08-18 21:15:14 +0100 | [diff] [blame] | 516 | #if defined(CONFIG_SPI_MASTER) |
Takashi Iwai | bb26276 | 2009-10-01 07:39:45 +0200 | [diff] [blame] | 517 | ret = spi_register_driver(&wm8711_spi_driver); |
Mark Brown | 08aff8c | 2009-08-18 21:15:14 +0100 | [diff] [blame] | 518 | if (ret != 0) { |
Takashi Iwai | bb26276 | 2009-10-01 07:39:45 +0200 | [diff] [blame] | 519 | printk(KERN_ERR "Failed to register WM8711 SPI driver: %d\n", |
Mark Brown | 08aff8c | 2009-08-18 21:15:14 +0100 | [diff] [blame] | 520 | ret); |
| 521 | } |
| 522 | #endif |
Mark Brown | 318b0b8 | 2009-08-18 20:57:33 +0100 | [diff] [blame] | 523 | return 0; |
Mike Arthur | bd6d417 | 2009-08-18 20:37:49 +0100 | [diff] [blame] | 524 | } |
| 525 | module_init(wm8711_modinit); |
| 526 | |
| 527 | static void __exit wm8711_exit(void) |
| 528 | { |
Mark Brown | 318b0b8 | 2009-08-18 20:57:33 +0100 | [diff] [blame] | 529 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) |
| 530 | i2c_del_driver(&wm8711_i2c_driver); |
| 531 | #endif |
Mark Brown | 08aff8c | 2009-08-18 21:15:14 +0100 | [diff] [blame] | 532 | #if defined(CONFIG_SPI_MASTER) |
Takashi Iwai | bb26276 | 2009-10-01 07:39:45 +0200 | [diff] [blame] | 533 | spi_unregister_driver(&wm8711_spi_driver); |
Mark Brown | 08aff8c | 2009-08-18 21:15:14 +0100 | [diff] [blame] | 534 | #endif |
Mike Arthur | bd6d417 | 2009-08-18 20:37:49 +0100 | [diff] [blame] | 535 | } |
| 536 | module_exit(wm8711_exit); |
| 537 | |
| 538 | MODULE_DESCRIPTION("ASoC WM8711 driver"); |
| 539 | MODULE_AUTHOR("Mike Arthur"); |
| 540 | MODULE_LICENSE("GPL"); |