Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 1 | /* |
| 2 | * wm8510.c -- WM8510 ALSA Soc Audio driver |
| 3 | * |
| 4 | * Copyright 2006 Wolfson Microelectronics PLC. |
| 5 | * |
Liam Girdwood | d331124 | 2008-10-12 13:17:36 +0100 | [diff] [blame] | 6 | * Author: Liam Girdwood <lrg@slimlogic.co.uk> |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License version 2 as |
| 10 | * published by the Free Software Foundation. |
| 11 | */ |
| 12 | |
| 13 | #include <linux/module.h> |
| 14 | #include <linux/moduleparam.h> |
| 15 | #include <linux/kernel.h> |
| 16 | #include <linux/init.h> |
| 17 | #include <linux/delay.h> |
| 18 | #include <linux/pm.h> |
| 19 | #include <linux/i2c.h> |
Mark Brown | 5e35795 | 2008-10-07 11:56:20 +0100 | [diff] [blame] | 20 | #include <linux/spi/spi.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 21 | #include <linux/slab.h> |
Mark Brown | 0a422e1 | 2011-08-02 13:03:04 +0900 | [diff] [blame] | 22 | #include <linux/of_device.h> |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 23 | #include <sound/core.h> |
| 24 | #include <sound/pcm.h> |
| 25 | #include <sound/pcm_params.h> |
| 26 | #include <sound/soc.h> |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 27 | #include <sound/initval.h> |
| 28 | |
| 29 | #include "wm8510.h" |
| 30 | |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 31 | /* |
| 32 | * wm8510 register cache |
| 33 | * We can't read the WM8510 register space when we are |
| 34 | * using 2 wire for device control, so we cache them instead. |
| 35 | */ |
| 36 | static const u16 wm8510_reg[WM8510_CACHEREGNUM] = { |
| 37 | 0x0000, 0x0000, 0x0000, 0x0000, |
| 38 | 0x0050, 0x0000, 0x0140, 0x0000, |
| 39 | 0x0000, 0x0000, 0x0000, 0x00ff, |
| 40 | 0x0000, 0x0000, 0x0100, 0x00ff, |
| 41 | 0x0000, 0x0000, 0x012c, 0x002c, |
| 42 | 0x002c, 0x002c, 0x002c, 0x0000, |
| 43 | 0x0032, 0x0000, 0x0000, 0x0000, |
| 44 | 0x0000, 0x0000, 0x0000, 0x0000, |
| 45 | 0x0038, 0x000b, 0x0032, 0x0000, |
| 46 | 0x0008, 0x000c, 0x0093, 0x00e9, |
| 47 | 0x0000, 0x0000, 0x0000, 0x0000, |
| 48 | 0x0003, 0x0010, 0x0000, 0x0000, |
| 49 | 0x0000, 0x0002, 0x0001, 0x0000, |
| 50 | 0x0000, 0x0000, 0x0039, 0x0000, |
Mark Brown | 05a076d | 2008-06-06 17:13:53 +0100 | [diff] [blame] | 51 | 0x0001, |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 52 | }; |
| 53 | |
Mark Brown | 09af98b | 2008-10-07 13:04:58 +0100 | [diff] [blame] | 54 | #define WM8510_POWER1_BIASEN 0x08 |
| 55 | #define WM8510_POWER1_BUFIOEN 0x10 |
| 56 | |
Mark Brown | 17a52fd | 2009-07-05 17:24:50 +0100 | [diff] [blame] | 57 | #define wm8510_reset(c) snd_soc_write(c, WM8510_RESET, 0) |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 58 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 59 | /* codec private data */ |
| 60 | struct wm8510_priv { |
| 61 | enum snd_soc_control_type control_type; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 62 | }; |
| 63 | |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 64 | static const char *wm8510_companding[] = { "Off", "NC", "u-law", "A-law" }; |
| 65 | static const char *wm8510_deemp[] = { "None", "32kHz", "44.1kHz", "48kHz" }; |
| 66 | static const char *wm8510_alc[] = { "ALC", "Limiter" }; |
| 67 | |
| 68 | static const struct soc_enum wm8510_enum[] = { |
| 69 | SOC_ENUM_SINGLE(WM8510_COMP, 1, 4, wm8510_companding), /* adc */ |
| 70 | SOC_ENUM_SINGLE(WM8510_COMP, 3, 4, wm8510_companding), /* dac */ |
| 71 | SOC_ENUM_SINGLE(WM8510_DAC, 4, 4, wm8510_deemp), |
| 72 | SOC_ENUM_SINGLE(WM8510_ALC3, 8, 2, wm8510_alc), |
| 73 | }; |
| 74 | |
| 75 | static const struct snd_kcontrol_new wm8510_snd_controls[] = { |
| 76 | |
| 77 | SOC_SINGLE("Digital Loopback Switch", WM8510_COMP, 0, 1, 0), |
| 78 | |
| 79 | SOC_ENUM("DAC Companding", wm8510_enum[1]), |
| 80 | SOC_ENUM("ADC Companding", wm8510_enum[0]), |
| 81 | |
| 82 | SOC_ENUM("Playback De-emphasis", wm8510_enum[2]), |
| 83 | SOC_SINGLE("DAC Inversion Switch", WM8510_DAC, 0, 1, 0), |
| 84 | |
| 85 | SOC_SINGLE("Master Playback Volume", WM8510_DACVOL, 0, 127, 0), |
| 86 | |
| 87 | SOC_SINGLE("High Pass Filter Switch", WM8510_ADC, 8, 1, 0), |
| 88 | SOC_SINGLE("High Pass Cut Off", WM8510_ADC, 4, 7, 0), |
| 89 | SOC_SINGLE("ADC Inversion Switch", WM8510_COMP, 0, 1, 0), |
| 90 | |
| 91 | SOC_SINGLE("Capture Volume", WM8510_ADCVOL, 0, 127, 0), |
| 92 | |
| 93 | SOC_SINGLE("DAC Playback Limiter Switch", WM8510_DACLIM1, 8, 1, 0), |
| 94 | SOC_SINGLE("DAC Playback Limiter Decay", WM8510_DACLIM1, 4, 15, 0), |
| 95 | SOC_SINGLE("DAC Playback Limiter Attack", WM8510_DACLIM1, 0, 15, 0), |
| 96 | |
| 97 | SOC_SINGLE("DAC Playback Limiter Threshold", WM8510_DACLIM2, 4, 7, 0), |
| 98 | SOC_SINGLE("DAC Playback Limiter Boost", WM8510_DACLIM2, 0, 15, 0), |
| 99 | |
| 100 | SOC_SINGLE("ALC Enable Switch", WM8510_ALC1, 8, 1, 0), |
| 101 | SOC_SINGLE("ALC Capture Max Gain", WM8510_ALC1, 3, 7, 0), |
| 102 | SOC_SINGLE("ALC Capture Min Gain", WM8510_ALC1, 0, 7, 0), |
| 103 | |
| 104 | SOC_SINGLE("ALC Capture ZC Switch", WM8510_ALC2, 8, 1, 0), |
| 105 | SOC_SINGLE("ALC Capture Hold", WM8510_ALC2, 4, 7, 0), |
| 106 | SOC_SINGLE("ALC Capture Target", WM8510_ALC2, 0, 15, 0), |
| 107 | |
| 108 | SOC_ENUM("ALC Capture Mode", wm8510_enum[3]), |
| 109 | SOC_SINGLE("ALC Capture Decay", WM8510_ALC3, 4, 15, 0), |
| 110 | SOC_SINGLE("ALC Capture Attack", WM8510_ALC3, 0, 15, 0), |
| 111 | |
| 112 | SOC_SINGLE("ALC Capture Noise Gate Switch", WM8510_NGATE, 3, 1, 0), |
| 113 | SOC_SINGLE("ALC Capture Noise Gate Threshold", WM8510_NGATE, 0, 7, 0), |
| 114 | |
| 115 | SOC_SINGLE("Capture PGA ZC Switch", WM8510_INPPGA, 7, 1, 0), |
| 116 | SOC_SINGLE("Capture PGA Volume", WM8510_INPPGA, 0, 63, 0), |
| 117 | |
| 118 | SOC_SINGLE("Speaker Playback ZC Switch", WM8510_SPKVOL, 7, 1, 0), |
| 119 | SOC_SINGLE("Speaker Playback Switch", WM8510_SPKVOL, 6, 1, 1), |
| 120 | SOC_SINGLE("Speaker Playback Volume", WM8510_SPKVOL, 0, 63, 0), |
| 121 | SOC_SINGLE("Speaker Boost", WM8510_OUTPUT, 2, 1, 0), |
| 122 | |
| 123 | SOC_SINGLE("Capture Boost(+20dB)", WM8510_ADCBOOST, 8, 1, 0), |
| 124 | SOC_SINGLE("Mono Playback Switch", WM8510_MONOMIX, 6, 1, 1), |
| 125 | }; |
| 126 | |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 127 | /* Speaker Output Mixer */ |
| 128 | static const struct snd_kcontrol_new wm8510_speaker_mixer_controls[] = { |
| 129 | SOC_DAPM_SINGLE("Line Bypass Switch", WM8510_SPKMIX, 1, 1, 0), |
| 130 | SOC_DAPM_SINGLE("Aux Playback Switch", WM8510_SPKMIX, 5, 1, 0), |
| 131 | SOC_DAPM_SINGLE("PCM Playback Switch", WM8510_SPKMIX, 0, 1, 0), |
| 132 | }; |
| 133 | |
| 134 | /* Mono Output Mixer */ |
| 135 | static const struct snd_kcontrol_new wm8510_mono_mixer_controls[] = { |
| 136 | SOC_DAPM_SINGLE("Line Bypass Switch", WM8510_MONOMIX, 1, 1, 0), |
| 137 | SOC_DAPM_SINGLE("Aux Playback Switch", WM8510_MONOMIX, 2, 1, 0), |
| 138 | SOC_DAPM_SINGLE("PCM Playback Switch", WM8510_MONOMIX, 0, 1, 0), |
| 139 | }; |
| 140 | |
| 141 | static const struct snd_kcontrol_new wm8510_boost_controls[] = { |
Mark Brown | 8ae23ec | 2008-10-06 11:33:21 +0100 | [diff] [blame] | 142 | SOC_DAPM_SINGLE("Mic PGA Switch", WM8510_INPPGA, 6, 1, 1), |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 143 | SOC_DAPM_SINGLE("Aux Volume", WM8510_ADCBOOST, 0, 7, 0), |
| 144 | SOC_DAPM_SINGLE("Mic Volume", WM8510_ADCBOOST, 4, 7, 0), |
| 145 | }; |
| 146 | |
| 147 | static const struct snd_kcontrol_new wm8510_micpga_controls[] = { |
| 148 | SOC_DAPM_SINGLE("MICP Switch", WM8510_INPUT, 0, 1, 0), |
| 149 | SOC_DAPM_SINGLE("MICN Switch", WM8510_INPUT, 1, 1, 0), |
| 150 | SOC_DAPM_SINGLE("AUX Switch", WM8510_INPUT, 2, 1, 0), |
| 151 | }; |
| 152 | |
| 153 | static const struct snd_soc_dapm_widget wm8510_dapm_widgets[] = { |
| 154 | SND_SOC_DAPM_MIXER("Speaker Mixer", WM8510_POWER3, 2, 0, |
| 155 | &wm8510_speaker_mixer_controls[0], |
| 156 | ARRAY_SIZE(wm8510_speaker_mixer_controls)), |
| 157 | SND_SOC_DAPM_MIXER("Mono Mixer", WM8510_POWER3, 3, 0, |
| 158 | &wm8510_mono_mixer_controls[0], |
| 159 | ARRAY_SIZE(wm8510_mono_mixer_controls)), |
| 160 | SND_SOC_DAPM_DAC("DAC", "HiFi Playback", WM8510_POWER3, 0, 0), |
| 161 | SND_SOC_DAPM_ADC("ADC", "HiFi Capture", WM8510_POWER2, 0, 0), |
| 162 | SND_SOC_DAPM_PGA("Aux Input", WM8510_POWER1, 6, 0, NULL, 0), |
| 163 | SND_SOC_DAPM_PGA("SpkN Out", WM8510_POWER3, 5, 0, NULL, 0), |
| 164 | SND_SOC_DAPM_PGA("SpkP Out", WM8510_POWER3, 6, 0, NULL, 0), |
| 165 | SND_SOC_DAPM_PGA("Mono Out", WM8510_POWER3, 7, 0, NULL, 0), |
| 166 | |
Mark Brown | 2b5f34c | 2008-10-07 16:13:50 +0100 | [diff] [blame] | 167 | SND_SOC_DAPM_MIXER("Mic PGA", WM8510_POWER2, 2, 0, |
| 168 | &wm8510_micpga_controls[0], |
| 169 | ARRAY_SIZE(wm8510_micpga_controls)), |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 170 | SND_SOC_DAPM_MIXER("Boost Mixer", WM8510_POWER2, 4, 0, |
| 171 | &wm8510_boost_controls[0], |
| 172 | ARRAY_SIZE(wm8510_boost_controls)), |
| 173 | |
| 174 | SND_SOC_DAPM_MICBIAS("Mic Bias", WM8510_POWER1, 4, 0), |
| 175 | |
| 176 | SND_SOC_DAPM_INPUT("MICN"), |
| 177 | SND_SOC_DAPM_INPUT("MICP"), |
| 178 | SND_SOC_DAPM_INPUT("AUX"), |
| 179 | SND_SOC_DAPM_OUTPUT("MONOOUT"), |
| 180 | SND_SOC_DAPM_OUTPUT("SPKOUTP"), |
| 181 | SND_SOC_DAPM_OUTPUT("SPKOUTN"), |
| 182 | }; |
| 183 | |
Mark Brown | b6709f3 | 2011-12-03 11:41:45 +0000 | [diff] [blame] | 184 | static const struct snd_soc_dapm_route wm8510_dapm_routes[] = { |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 185 | /* Mono output mixer */ |
| 186 | {"Mono Mixer", "PCM Playback Switch", "DAC"}, |
| 187 | {"Mono Mixer", "Aux Playback Switch", "Aux Input"}, |
| 188 | {"Mono Mixer", "Line Bypass Switch", "Boost Mixer"}, |
| 189 | |
| 190 | /* Speaker output mixer */ |
| 191 | {"Speaker Mixer", "PCM Playback Switch", "DAC"}, |
| 192 | {"Speaker Mixer", "Aux Playback Switch", "Aux Input"}, |
| 193 | {"Speaker Mixer", "Line Bypass Switch", "Boost Mixer"}, |
| 194 | |
| 195 | /* Outputs */ |
| 196 | {"Mono Out", NULL, "Mono Mixer"}, |
| 197 | {"MONOOUT", NULL, "Mono Out"}, |
| 198 | {"SpkN Out", NULL, "Speaker Mixer"}, |
| 199 | {"SpkP Out", NULL, "Speaker Mixer"}, |
| 200 | {"SPKOUTN", NULL, "SpkN Out"}, |
| 201 | {"SPKOUTP", NULL, "SpkP Out"}, |
| 202 | |
| 203 | /* Microphone PGA */ |
| 204 | {"Mic PGA", "MICN Switch", "MICN"}, |
| 205 | {"Mic PGA", "MICP Switch", "MICP"}, |
| 206 | { "Mic PGA", "AUX Switch", "Aux Input" }, |
| 207 | |
| 208 | /* Boost Mixer */ |
| 209 | {"Boost Mixer", "Mic PGA Switch", "Mic PGA"}, |
| 210 | {"Boost Mixer", "Mic Volume", "MICP"}, |
| 211 | {"Boost Mixer", "Aux Volume", "Aux Input"}, |
| 212 | |
| 213 | {"ADC", NULL, "Boost Mixer"}, |
| 214 | }; |
| 215 | |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 216 | struct pll_ { |
| 217 | unsigned int pre_div:4; /* prescale - 1 */ |
| 218 | unsigned int n:4; |
| 219 | unsigned int k; |
| 220 | }; |
| 221 | |
| 222 | static struct pll_ pll_div; |
| 223 | |
| 224 | /* The size in bits of the pll divide multiplied by 10 |
| 225 | * to allow rounding later */ |
| 226 | #define FIXED_PLL_SIZE ((1 << 24) * 10) |
| 227 | |
| 228 | static void pll_factors(unsigned int target, unsigned int source) |
| 229 | { |
| 230 | unsigned long long Kpart; |
| 231 | unsigned int K, Ndiv, Nmod; |
| 232 | |
| 233 | Ndiv = target / source; |
| 234 | if (Ndiv < 6) { |
| 235 | source >>= 1; |
| 236 | pll_div.pre_div = 1; |
| 237 | Ndiv = target / source; |
| 238 | } else |
| 239 | pll_div.pre_div = 0; |
| 240 | |
| 241 | if ((Ndiv < 6) || (Ndiv > 12)) |
| 242 | printk(KERN_WARNING |
Roel Kluin | 449bd54 | 2009-05-27 17:08:39 -0700 | [diff] [blame] | 243 | "WM8510 N value %u outwith recommended range!d\n", |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 244 | Ndiv); |
| 245 | |
| 246 | pll_div.n = Ndiv; |
| 247 | Nmod = target % source; |
| 248 | Kpart = FIXED_PLL_SIZE * (long long)Nmod; |
| 249 | |
| 250 | do_div(Kpart, source); |
| 251 | |
| 252 | K = Kpart & 0xFFFFFFFF; |
| 253 | |
| 254 | /* Check if we need to round */ |
| 255 | if ((K % 10) >= 5) |
| 256 | K += 5; |
| 257 | |
| 258 | /* Move down to proper range now rounding is done */ |
| 259 | K /= 10; |
| 260 | |
| 261 | pll_div.k = K; |
| 262 | } |
| 263 | |
Mark Brown | 8548803 | 2009-09-05 18:52:16 +0100 | [diff] [blame] | 264 | static int wm8510_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id, |
| 265 | int source, unsigned int freq_in, unsigned int freq_out) |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 266 | { |
| 267 | struct snd_soc_codec *codec = codec_dai->codec; |
| 268 | u16 reg; |
| 269 | |
| 270 | if (freq_in == 0 || freq_out == 0) { |
| 271 | /* Clock CODEC directly from MCLK */ |
Mark Brown | 17a52fd | 2009-07-05 17:24:50 +0100 | [diff] [blame] | 272 | reg = snd_soc_read(codec, WM8510_CLOCK); |
| 273 | snd_soc_write(codec, WM8510_CLOCK, reg & 0x0ff); |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 274 | |
| 275 | /* Turn off PLL */ |
Mark Brown | 17a52fd | 2009-07-05 17:24:50 +0100 | [diff] [blame] | 276 | reg = snd_soc_read(codec, WM8510_POWER1); |
| 277 | snd_soc_write(codec, WM8510_POWER1, reg & 0x1df); |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 278 | return 0; |
| 279 | } |
| 280 | |
Jonas Andersson | 86027ae | 2009-03-04 08:24:26 +0100 | [diff] [blame] | 281 | pll_factors(freq_out*4, freq_in); |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 282 | |
Mark Brown | 17a52fd | 2009-07-05 17:24:50 +0100 | [diff] [blame] | 283 | snd_soc_write(codec, WM8510_PLLN, (pll_div.pre_div << 4) | pll_div.n); |
| 284 | snd_soc_write(codec, WM8510_PLLK1, pll_div.k >> 18); |
| 285 | snd_soc_write(codec, WM8510_PLLK2, (pll_div.k >> 9) & 0x1ff); |
| 286 | snd_soc_write(codec, WM8510_PLLK3, pll_div.k & 0x1ff); |
| 287 | reg = snd_soc_read(codec, WM8510_POWER1); |
| 288 | snd_soc_write(codec, WM8510_POWER1, reg | 0x020); |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 289 | |
| 290 | /* Run CODEC from PLL instead of MCLK */ |
Mark Brown | 17a52fd | 2009-07-05 17:24:50 +0100 | [diff] [blame] | 291 | reg = snd_soc_read(codec, WM8510_CLOCK); |
| 292 | snd_soc_write(codec, WM8510_CLOCK, reg | 0x100); |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 293 | |
| 294 | return 0; |
| 295 | } |
| 296 | |
| 297 | /* |
| 298 | * Configure WM8510 clock dividers. |
| 299 | */ |
Liam Girdwood | e550e17 | 2008-07-07 16:07:52 +0100 | [diff] [blame] | 300 | static int wm8510_set_dai_clkdiv(struct snd_soc_dai *codec_dai, |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 301 | int div_id, int div) |
| 302 | { |
| 303 | struct snd_soc_codec *codec = codec_dai->codec; |
| 304 | u16 reg; |
| 305 | |
| 306 | switch (div_id) { |
| 307 | case WM8510_OPCLKDIV: |
Mark Brown | 17a52fd | 2009-07-05 17:24:50 +0100 | [diff] [blame] | 308 | reg = snd_soc_read(codec, WM8510_GPIO) & 0x1cf; |
| 309 | snd_soc_write(codec, WM8510_GPIO, reg | div); |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 310 | break; |
| 311 | case WM8510_MCLKDIV: |
Mark Brown | 17a52fd | 2009-07-05 17:24:50 +0100 | [diff] [blame] | 312 | reg = snd_soc_read(codec, WM8510_CLOCK) & 0x11f; |
| 313 | snd_soc_write(codec, WM8510_CLOCK, reg | div); |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 314 | break; |
| 315 | case WM8510_ADCCLK: |
Mark Brown | 17a52fd | 2009-07-05 17:24:50 +0100 | [diff] [blame] | 316 | reg = snd_soc_read(codec, WM8510_ADC) & 0x1f7; |
| 317 | snd_soc_write(codec, WM8510_ADC, reg | div); |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 318 | break; |
| 319 | case WM8510_DACCLK: |
Mark Brown | 17a52fd | 2009-07-05 17:24:50 +0100 | [diff] [blame] | 320 | reg = snd_soc_read(codec, WM8510_DAC) & 0x1f7; |
| 321 | snd_soc_write(codec, WM8510_DAC, reg | div); |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 322 | break; |
| 323 | case WM8510_BCLKDIV: |
Mark Brown | 17a52fd | 2009-07-05 17:24:50 +0100 | [diff] [blame] | 324 | reg = snd_soc_read(codec, WM8510_CLOCK) & 0x1e3; |
| 325 | snd_soc_write(codec, WM8510_CLOCK, reg | div); |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 326 | break; |
| 327 | default: |
| 328 | return -EINVAL; |
| 329 | } |
| 330 | |
| 331 | return 0; |
| 332 | } |
| 333 | |
Liam Girdwood | e550e17 | 2008-07-07 16:07:52 +0100 | [diff] [blame] | 334 | static int wm8510_set_dai_fmt(struct snd_soc_dai *codec_dai, |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 335 | unsigned int fmt) |
| 336 | { |
| 337 | struct snd_soc_codec *codec = codec_dai->codec; |
| 338 | u16 iface = 0; |
Mark Brown | 17a52fd | 2009-07-05 17:24:50 +0100 | [diff] [blame] | 339 | u16 clk = snd_soc_read(codec, WM8510_CLOCK) & 0x1fe; |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 340 | |
| 341 | /* set master/slave audio interface */ |
| 342 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { |
| 343 | case SND_SOC_DAIFMT_CBM_CFM: |
| 344 | clk |= 0x0001; |
| 345 | break; |
| 346 | case SND_SOC_DAIFMT_CBS_CFS: |
| 347 | break; |
| 348 | default: |
| 349 | return -EINVAL; |
| 350 | } |
| 351 | |
| 352 | /* interface format */ |
| 353 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { |
| 354 | case SND_SOC_DAIFMT_I2S: |
| 355 | iface |= 0x0010; |
| 356 | break; |
| 357 | case SND_SOC_DAIFMT_RIGHT_J: |
| 358 | break; |
| 359 | case SND_SOC_DAIFMT_LEFT_J: |
| 360 | iface |= 0x0008; |
| 361 | break; |
| 362 | case SND_SOC_DAIFMT_DSP_A: |
| 363 | iface |= 0x00018; |
| 364 | break; |
| 365 | default: |
| 366 | return -EINVAL; |
| 367 | } |
| 368 | |
| 369 | /* clock inversion */ |
| 370 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { |
| 371 | case SND_SOC_DAIFMT_NB_NF: |
| 372 | break; |
| 373 | case SND_SOC_DAIFMT_IB_IF: |
| 374 | iface |= 0x0180; |
| 375 | break; |
| 376 | case SND_SOC_DAIFMT_IB_NF: |
| 377 | iface |= 0x0100; |
| 378 | break; |
| 379 | case SND_SOC_DAIFMT_NB_IF: |
| 380 | iface |= 0x0080; |
| 381 | break; |
| 382 | default: |
| 383 | return -EINVAL; |
| 384 | } |
| 385 | |
Mark Brown | 17a52fd | 2009-07-05 17:24:50 +0100 | [diff] [blame] | 386 | snd_soc_write(codec, WM8510_IFACE, iface); |
| 387 | snd_soc_write(codec, WM8510_CLOCK, clk); |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 388 | return 0; |
| 389 | } |
| 390 | |
| 391 | static int wm8510_pcm_hw_params(struct snd_pcm_substream *substream, |
Mark Brown | dee89c4 | 2008-11-18 22:11:38 +0000 | [diff] [blame] | 392 | struct snd_pcm_hw_params *params, |
| 393 | struct snd_soc_dai *dai) |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 394 | { |
Mark Brown | e6968a1 | 2012-04-04 15:58:16 +0100 | [diff] [blame] | 395 | struct snd_soc_codec *codec = dai->codec; |
Mark Brown | 17a52fd | 2009-07-05 17:24:50 +0100 | [diff] [blame] | 396 | u16 iface = snd_soc_read(codec, WM8510_IFACE) & 0x19f; |
| 397 | u16 adn = snd_soc_read(codec, WM8510_ADD) & 0x1f1; |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 398 | |
| 399 | /* bit size */ |
| 400 | switch (params_format(params)) { |
| 401 | case SNDRV_PCM_FORMAT_S16_LE: |
| 402 | break; |
| 403 | case SNDRV_PCM_FORMAT_S20_3LE: |
| 404 | iface |= 0x0020; |
| 405 | break; |
| 406 | case SNDRV_PCM_FORMAT_S24_LE: |
| 407 | iface |= 0x0040; |
| 408 | break; |
| 409 | case SNDRV_PCM_FORMAT_S32_LE: |
| 410 | iface |= 0x0060; |
| 411 | break; |
| 412 | } |
| 413 | |
| 414 | /* filter coefficient */ |
| 415 | switch (params_rate(params)) { |
Guennadi Liakhovetski | b3172f2 | 2009-12-24 01:13:51 +0100 | [diff] [blame] | 416 | case 8000: |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 417 | adn |= 0x5 << 1; |
| 418 | break; |
Guennadi Liakhovetski | b3172f2 | 2009-12-24 01:13:51 +0100 | [diff] [blame] | 419 | case 11025: |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 420 | adn |= 0x4 << 1; |
| 421 | break; |
Guennadi Liakhovetski | b3172f2 | 2009-12-24 01:13:51 +0100 | [diff] [blame] | 422 | case 16000: |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 423 | adn |= 0x3 << 1; |
| 424 | break; |
Guennadi Liakhovetski | b3172f2 | 2009-12-24 01:13:51 +0100 | [diff] [blame] | 425 | case 22050: |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 426 | adn |= 0x2 << 1; |
| 427 | break; |
Guennadi Liakhovetski | b3172f2 | 2009-12-24 01:13:51 +0100 | [diff] [blame] | 428 | case 32000: |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 429 | adn |= 0x1 << 1; |
| 430 | break; |
Guennadi Liakhovetski | b3172f2 | 2009-12-24 01:13:51 +0100 | [diff] [blame] | 431 | case 44100: |
| 432 | case 48000: |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 433 | break; |
| 434 | } |
| 435 | |
Mark Brown | 17a52fd | 2009-07-05 17:24:50 +0100 | [diff] [blame] | 436 | snd_soc_write(codec, WM8510_IFACE, iface); |
| 437 | snd_soc_write(codec, WM8510_ADD, adn); |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 438 | return 0; |
| 439 | } |
| 440 | |
Liam Girdwood | e550e17 | 2008-07-07 16:07:52 +0100 | [diff] [blame] | 441 | static int wm8510_mute(struct snd_soc_dai *dai, int mute) |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 442 | { |
| 443 | struct snd_soc_codec *codec = dai->codec; |
Mark Brown | 17a52fd | 2009-07-05 17:24:50 +0100 | [diff] [blame] | 444 | u16 mute_reg = snd_soc_read(codec, WM8510_DAC) & 0xffbf; |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 445 | |
| 446 | if (mute) |
Mark Brown | 17a52fd | 2009-07-05 17:24:50 +0100 | [diff] [blame] | 447 | snd_soc_write(codec, WM8510_DAC, mute_reg | 0x40); |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 448 | else |
Mark Brown | 17a52fd | 2009-07-05 17:24:50 +0100 | [diff] [blame] | 449 | snd_soc_write(codec, WM8510_DAC, mute_reg); |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 450 | return 0; |
| 451 | } |
| 452 | |
| 453 | /* liam need to make this lower power with dapm */ |
| 454 | static int wm8510_set_bias_level(struct snd_soc_codec *codec, |
| 455 | enum snd_soc_bias_level level) |
| 456 | { |
Mark Brown | 17a52fd | 2009-07-05 17:24:50 +0100 | [diff] [blame] | 457 | u16 power1 = snd_soc_read(codec, WM8510_POWER1) & ~0x3; |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 458 | |
| 459 | switch (level) { |
| 460 | case SND_SOC_BIAS_ON: |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 461 | case SND_SOC_BIAS_PREPARE: |
Mark Brown | 09af98b | 2008-10-07 13:04:58 +0100 | [diff] [blame] | 462 | power1 |= 0x1; /* VMID 50k */ |
Mark Brown | 17a52fd | 2009-07-05 17:24:50 +0100 | [diff] [blame] | 463 | snd_soc_write(codec, WM8510_POWER1, power1); |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 464 | break; |
Mark Brown | 09af98b | 2008-10-07 13:04:58 +0100 | [diff] [blame] | 465 | |
| 466 | case SND_SOC_BIAS_STANDBY: |
| 467 | power1 |= WM8510_POWER1_BIASEN | WM8510_POWER1_BUFIOEN; |
| 468 | |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 469 | if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) { |
Axel Lin | 94f17e9 | 2011-10-07 21:36:27 +0800 | [diff] [blame] | 470 | snd_soc_cache_sync(codec); |
| 471 | |
Mark Brown | 09af98b | 2008-10-07 13:04:58 +0100 | [diff] [blame] | 472 | /* Initial cap charge at VMID 5k */ |
Mark Brown | 17a52fd | 2009-07-05 17:24:50 +0100 | [diff] [blame] | 473 | snd_soc_write(codec, WM8510_POWER1, power1 | 0x3); |
Mark Brown | 09af98b | 2008-10-07 13:04:58 +0100 | [diff] [blame] | 474 | mdelay(100); |
| 475 | } |
| 476 | |
| 477 | power1 |= 0x2; /* VMID 500k */ |
Mark Brown | 17a52fd | 2009-07-05 17:24:50 +0100 | [diff] [blame] | 478 | snd_soc_write(codec, WM8510_POWER1, power1); |
Mark Brown | 09af98b | 2008-10-07 13:04:58 +0100 | [diff] [blame] | 479 | break; |
| 480 | |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 481 | case SND_SOC_BIAS_OFF: |
Mark Brown | 17a52fd | 2009-07-05 17:24:50 +0100 | [diff] [blame] | 482 | snd_soc_write(codec, WM8510_POWER1, 0); |
| 483 | snd_soc_write(codec, WM8510_POWER2, 0); |
| 484 | snd_soc_write(codec, WM8510_POWER3, 0); |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 485 | break; |
| 486 | } |
Mark Brown | 09af98b | 2008-10-07 13:04:58 +0100 | [diff] [blame] | 487 | |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 488 | codec->dapm.bias_level = level; |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 489 | return 0; |
| 490 | } |
| 491 | |
| 492 | #define WM8510_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ |
| 493 | SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\ |
| 494 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000) |
| 495 | |
| 496 | #define WM8510_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ |
| 497 | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) |
| 498 | |
Lars-Peter Clausen | 85e7652 | 2011-11-23 11:40:40 +0100 | [diff] [blame] | 499 | static const struct snd_soc_dai_ops wm8510_dai_ops = { |
Eric Miao | 6335d05 | 2009-03-03 09:41:00 +0800 | [diff] [blame] | 500 | .hw_params = wm8510_pcm_hw_params, |
| 501 | .digital_mute = wm8510_mute, |
| 502 | .set_fmt = wm8510_set_dai_fmt, |
| 503 | .set_clkdiv = wm8510_set_dai_clkdiv, |
| 504 | .set_pll = wm8510_set_dai_pll, |
| 505 | }; |
| 506 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 507 | static struct snd_soc_dai_driver wm8510_dai = { |
| 508 | .name = "wm8510-hifi", |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 509 | .playback = { |
| 510 | .stream_name = "Playback", |
| 511 | .channels_min = 2, |
| 512 | .channels_max = 2, |
| 513 | .rates = WM8510_RATES, |
| 514 | .formats = WM8510_FORMATS,}, |
| 515 | .capture = { |
| 516 | .stream_name = "Capture", |
| 517 | .channels_min = 2, |
| 518 | .channels_max = 2, |
| 519 | .rates = WM8510_RATES, |
| 520 | .formats = WM8510_FORMATS,}, |
Eric Miao | 6335d05 | 2009-03-03 09:41:00 +0800 | [diff] [blame] | 521 | .ops = &wm8510_dai_ops, |
Mark Brown | cc369cf | 2009-07-09 11:28:07 +0100 | [diff] [blame] | 522 | .symmetric_rates = 1, |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 523 | }; |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 524 | |
Lars-Peter Clausen | 84b315e | 2011-12-02 10:18:28 +0100 | [diff] [blame] | 525 | static int wm8510_suspend(struct snd_soc_codec *codec) |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 526 | { |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 527 | wm8510_set_bias_level(codec, SND_SOC_BIAS_OFF); |
| 528 | return 0; |
| 529 | } |
| 530 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 531 | static int wm8510_resume(struct snd_soc_codec *codec) |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 532 | { |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 533 | wm8510_set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 534 | return 0; |
| 535 | } |
| 536 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 537 | static int wm8510_probe(struct snd_soc_codec *codec) |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 538 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 539 | struct wm8510_priv *wm8510 = snd_soc_codec_get_drvdata(codec); |
| 540 | int ret; |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 541 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 542 | ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8510->control_type); |
Mark Brown | 17a52fd | 2009-07-05 17:24:50 +0100 | [diff] [blame] | 543 | if (ret < 0) { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 544 | printk(KERN_ERR "wm8510: failed to set cache I/O: %d\n", ret); |
| 545 | return ret; |
Mark Brown | 17a52fd | 2009-07-05 17:24:50 +0100 | [diff] [blame] | 546 | } |
| 547 | |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 548 | wm8510_reset(codec); |
| 549 | |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 550 | /* power on device */ |
| 551 | wm8510_set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
Mark Brown | fe3e78e | 2009-11-03 22:13:13 +0000 | [diff] [blame] | 552 | |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 553 | return ret; |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 554 | } |
| 555 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 556 | /* power down chip */ |
| 557 | static int wm8510_remove(struct snd_soc_codec *codec) |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 558 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 559 | struct wm8510_priv *wm8510 = snd_soc_codec_get_drvdata(codec); |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 560 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 561 | wm8510_set_bias_level(codec, SND_SOC_BIAS_OFF); |
| 562 | kfree(wm8510); |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 563 | return 0; |
| 564 | } |
| 565 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 566 | static struct snd_soc_codec_driver soc_codec_dev_wm8510 = { |
| 567 | .probe = wm8510_probe, |
| 568 | .remove = wm8510_remove, |
| 569 | .suspend = wm8510_suspend, |
| 570 | .resume = wm8510_resume, |
| 571 | .set_bias_level = wm8510_set_bias_level, |
| 572 | .reg_cache_size = ARRAY_SIZE(wm8510_reg), |
| 573 | .reg_word_size = sizeof(u16), |
| 574 | .reg_cache_default =wm8510_reg, |
Mark Brown | b6709f3 | 2011-12-03 11:41:45 +0000 | [diff] [blame] | 575 | |
| 576 | .controls = wm8510_snd_controls, |
| 577 | .num_controls = ARRAY_SIZE(wm8510_snd_controls), |
| 578 | .dapm_widgets = wm8510_dapm_widgets, |
| 579 | .num_dapm_widgets = ARRAY_SIZE(wm8510_dapm_widgets), |
| 580 | .dapm_routes = wm8510_dapm_routes, |
| 581 | .num_dapm_routes = ARRAY_SIZE(wm8510_dapm_routes), |
Jean Delvare | 41759c2 | 2008-09-02 17:07:30 +0200 | [diff] [blame] | 582 | }; |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 583 | |
Mark Brown | 0a422e1 | 2011-08-02 13:03:04 +0900 | [diff] [blame] | 584 | static const struct of_device_id wm8510_of_match[] = { |
| 585 | { .compatible = "wlf,wm8510" }, |
| 586 | { }, |
| 587 | }; |
| 588 | |
Mark Brown | 5e35795 | 2008-10-07 11:56:20 +0100 | [diff] [blame] | 589 | #if defined(CONFIG_SPI_MASTER) |
| 590 | static int __devinit wm8510_spi_probe(struct spi_device *spi) |
| 591 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 592 | struct wm8510_priv *wm8510; |
Mark Brown | 5e35795 | 2008-10-07 11:56:20 +0100 | [diff] [blame] | 593 | int ret; |
| 594 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 595 | wm8510 = kzalloc(sizeof(struct wm8510_priv), GFP_KERNEL); |
| 596 | if (wm8510 == NULL) |
| 597 | return -ENOMEM; |
Mark Brown | 5e35795 | 2008-10-07 11:56:20 +0100 | [diff] [blame] | 598 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 599 | wm8510->control_type = SND_SOC_SPI; |
| 600 | spi_set_drvdata(spi, wm8510); |
| 601 | |
| 602 | ret = snd_soc_register_codec(&spi->dev, |
| 603 | &soc_codec_dev_wm8510, &wm8510_dai, 1); |
Mark Brown | 5e35795 | 2008-10-07 11:56:20 +0100 | [diff] [blame] | 604 | if (ret < 0) |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 605 | kfree(wm8510); |
Mark Brown | 5e35795 | 2008-10-07 11:56:20 +0100 | [diff] [blame] | 606 | return ret; |
| 607 | } |
| 608 | |
| 609 | static int __devexit wm8510_spi_remove(struct spi_device *spi) |
| 610 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 611 | snd_soc_unregister_codec(&spi->dev); |
Mark Brown | 5e35795 | 2008-10-07 11:56:20 +0100 | [diff] [blame] | 612 | return 0; |
| 613 | } |
| 614 | |
| 615 | static struct spi_driver wm8510_spi_driver = { |
| 616 | .driver = { |
| 617 | .name = "wm8510", |
Mark Brown | 5e35795 | 2008-10-07 11:56:20 +0100 | [diff] [blame] | 618 | .owner = THIS_MODULE, |
Mark Brown | 0a422e1 | 2011-08-02 13:03:04 +0900 | [diff] [blame] | 619 | .of_match_table = wm8510_of_match, |
Mark Brown | 5e35795 | 2008-10-07 11:56:20 +0100 | [diff] [blame] | 620 | }, |
| 621 | .probe = wm8510_spi_probe, |
| 622 | .remove = __devexit_p(wm8510_spi_remove), |
| 623 | }; |
Mark Brown | 5e35795 | 2008-10-07 11:56:20 +0100 | [diff] [blame] | 624 | #endif /* CONFIG_SPI_MASTER */ |
| 625 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 626 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) |
| 627 | static __devinit int wm8510_i2c_probe(struct i2c_client *i2c, |
| 628 | const struct i2c_device_id *id) |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 629 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 630 | struct wm8510_priv *wm8510; |
| 631 | int ret; |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 632 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 633 | wm8510 = kzalloc(sizeof(struct wm8510_priv), GFP_KERNEL); |
| 634 | if (wm8510 == NULL) |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 635 | return -ENOMEM; |
| 636 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 637 | i2c_set_clientdata(i2c, wm8510); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 638 | wm8510->control_type = SND_SOC_I2C; |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 639 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 640 | ret = snd_soc_register_codec(&i2c->dev, |
| 641 | &soc_codec_dev_wm8510, &wm8510_dai, 1); |
| 642 | if (ret < 0) |
| 643 | kfree(wm8510); |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 644 | return ret; |
| 645 | } |
| 646 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 647 | static __devexit int wm8510_i2c_remove(struct i2c_client *client) |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 648 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 649 | snd_soc_unregister_codec(&client->dev); |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 650 | return 0; |
| 651 | } |
| 652 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 653 | static const struct i2c_device_id wm8510_i2c_id[] = { |
| 654 | { "wm8510", 0 }, |
| 655 | { } |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 656 | }; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 657 | MODULE_DEVICE_TABLE(i2c, wm8510_i2c_id); |
| 658 | |
| 659 | static struct i2c_driver wm8510_i2c_driver = { |
| 660 | .driver = { |
Mark Brown | 091edcc | 2011-12-02 22:08:49 +0000 | [diff] [blame] | 661 | .name = "wm8510", |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 662 | .owner = THIS_MODULE, |
Mark Brown | 0a422e1 | 2011-08-02 13:03:04 +0900 | [diff] [blame] | 663 | .of_match_table = wm8510_of_match, |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 664 | }, |
| 665 | .probe = wm8510_i2c_probe, |
| 666 | .remove = __devexit_p(wm8510_i2c_remove), |
| 667 | .id_table = wm8510_i2c_id, |
| 668 | }; |
| 669 | #endif |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 670 | |
Takashi Iwai | c9b3a40 | 2008-12-10 07:47:22 +0100 | [diff] [blame] | 671 | static int __init wm8510_modinit(void) |
Mark Brown | 64089b8 | 2008-12-08 19:17:58 +0000 | [diff] [blame] | 672 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 673 | int ret = 0; |
| 674 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) |
| 675 | ret = i2c_add_driver(&wm8510_i2c_driver); |
| 676 | if (ret != 0) { |
| 677 | printk(KERN_ERR "Failed to register WM8510 I2C driver: %d\n", |
| 678 | ret); |
| 679 | } |
| 680 | #endif |
| 681 | #if defined(CONFIG_SPI_MASTER) |
| 682 | ret = spi_register_driver(&wm8510_spi_driver); |
| 683 | if (ret != 0) { |
| 684 | printk(KERN_ERR "Failed to register WM8510 SPI driver: %d\n", |
| 685 | ret); |
| 686 | } |
| 687 | #endif |
| 688 | return ret; |
Mark Brown | 64089b8 | 2008-12-08 19:17:58 +0000 | [diff] [blame] | 689 | } |
| 690 | module_init(wm8510_modinit); |
| 691 | |
| 692 | static void __exit wm8510_exit(void) |
| 693 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 694 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) |
| 695 | i2c_del_driver(&wm8510_i2c_driver); |
| 696 | #endif |
| 697 | #if defined(CONFIG_SPI_MASTER) |
| 698 | spi_unregister_driver(&wm8510_spi_driver); |
| 699 | #endif |
Mark Brown | 64089b8 | 2008-12-08 19:17:58 +0000 | [diff] [blame] | 700 | } |
| 701 | module_exit(wm8510_exit); |
| 702 | |
Mark Brown | 5d42151 | 2008-06-05 13:49:32 +0100 | [diff] [blame] | 703 | MODULE_DESCRIPTION("ASoC WM8510 driver"); |
| 704 | MODULE_AUTHOR("Liam Girdwood"); |
| 705 | MODULE_LICENSE("GPL"); |