Liam Girdwood | 7fb290d | 2006-10-12 14:32:13 +0200 | [diff] [blame] | 1 | /* |
| 2 | * spitz.c -- SoC audio for Sharp SL-Cxx00 models Spitz, Borzoi and Akita |
| 3 | * |
| 4 | * Copyright 2005 Wolfson Microelectronics PLC. |
| 5 | * Copyright 2005 Openedhand Ltd. |
| 6 | * |
Liam Girdwood | d331124 | 2008-10-12 13:17:36 +0100 | [diff] [blame] | 7 | * Authors: Liam Girdwood <lrg@slimlogic.co.uk> |
Liam Girdwood | 7fb290d | 2006-10-12 14:32:13 +0200 | [diff] [blame] | 8 | * Richard Purdie <richard@openedhand.com> |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify it |
| 11 | * under the terms of the GNU General Public License as published by the |
| 12 | * Free Software Foundation; either version 2 of the License, or (at your |
| 13 | * option) any later version. |
| 14 | * |
Liam Girdwood | 7fb290d | 2006-10-12 14:32:13 +0200 | [diff] [blame] | 15 | */ |
| 16 | |
| 17 | #include <linux/module.h> |
| 18 | #include <linux/moduleparam.h> |
| 19 | #include <linux/timer.h> |
| 20 | #include <linux/interrupt.h> |
| 21 | #include <linux/platform_device.h> |
Eric Miao | fff1472 | 2008-09-05 22:15:23 +0800 | [diff] [blame] | 22 | #include <linux/gpio.h> |
Liam Girdwood | 7fb290d | 2006-10-12 14:32:13 +0200 | [diff] [blame] | 23 | #include <sound/core.h> |
| 24 | #include <sound/pcm.h> |
| 25 | #include <sound/soc.h> |
| 26 | #include <sound/soc-dapm.h> |
| 27 | |
| 28 | #include <asm/mach-types.h> |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 29 | #include <mach/pxa-regs.h> |
| 30 | #include <mach/hardware.h> |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 31 | #include <mach/spitz.h> |
Liam Girdwood | 7fb290d | 2006-10-12 14:32:13 +0200 | [diff] [blame] | 32 | #include "../codecs/wm8750.h" |
| 33 | #include "pxa2xx-pcm.h" |
Liam Girdwood | 97952f6 | 2007-02-02 17:22:46 +0100 | [diff] [blame] | 34 | #include "pxa2xx-i2s.h" |
Liam Girdwood | 7fb290d | 2006-10-12 14:32:13 +0200 | [diff] [blame] | 35 | |
| 36 | #define SPITZ_HP 0 |
| 37 | #define SPITZ_MIC 1 |
| 38 | #define SPITZ_LINE 2 |
| 39 | #define SPITZ_HEADSET 3 |
| 40 | #define SPITZ_HP_OFF 4 |
| 41 | #define SPITZ_SPK_ON 0 |
| 42 | #define SPITZ_SPK_OFF 1 |
| 43 | |
| 44 | /* audio clock in Hz - rounded from 12.235MHz */ |
| 45 | #define SPITZ_AUDIO_CLOCK 12288000 |
| 46 | |
| 47 | static int spitz_jack_func; |
| 48 | static int spitz_spk_func; |
| 49 | |
| 50 | static void spitz_ext_control(struct snd_soc_codec *codec) |
| 51 | { |
| 52 | if (spitz_spk_func == SPITZ_SPK_ON) |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 53 | snd_soc_dapm_enable_pin(codec, "Ext Spk"); |
Liam Girdwood | 7fb290d | 2006-10-12 14:32:13 +0200 | [diff] [blame] | 54 | else |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 55 | snd_soc_dapm_disable_pin(codec, "Ext Spk"); |
Liam Girdwood | 7fb290d | 2006-10-12 14:32:13 +0200 | [diff] [blame] | 56 | |
| 57 | /* set up jack connection */ |
| 58 | switch (spitz_jack_func) { |
| 59 | case SPITZ_HP: |
| 60 | /* enable and unmute hp jack, disable mic bias */ |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 61 | snd_soc_dapm_disable_pin(codec, "Headset Jack"); |
| 62 | snd_soc_dapm_disable_pin(codec, "Mic Jack"); |
| 63 | snd_soc_dapm_disable_pin(codec, "Line Jack"); |
| 64 | snd_soc_dapm_enable_pin(codec, "Headphone Jack"); |
Eric Miao | fff1472 | 2008-09-05 22:15:23 +0800 | [diff] [blame] | 65 | gpio_set_value(SPITZ_GPIO_MUTE_L, 1); |
| 66 | gpio_set_value(SPITZ_GPIO_MUTE_R, 1); |
Liam Girdwood | 7fb290d | 2006-10-12 14:32:13 +0200 | [diff] [blame] | 67 | break; |
| 68 | case SPITZ_MIC: |
| 69 | /* enable mic jack and bias, mute hp */ |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 70 | snd_soc_dapm_disable_pin(codec, "Headphone Jack"); |
| 71 | snd_soc_dapm_disable_pin(codec, "Headset Jack"); |
| 72 | snd_soc_dapm_disable_pin(codec, "Line Jack"); |
| 73 | snd_soc_dapm_enable_pin(codec, "Mic Jack"); |
Eric Miao | fff1472 | 2008-09-05 22:15:23 +0800 | [diff] [blame] | 74 | gpio_set_value(SPITZ_GPIO_MUTE_L, 0); |
| 75 | gpio_set_value(SPITZ_GPIO_MUTE_R, 0); |
Liam Girdwood | 7fb290d | 2006-10-12 14:32:13 +0200 | [diff] [blame] | 76 | break; |
| 77 | case SPITZ_LINE: |
| 78 | /* enable line jack, disable mic bias and mute hp */ |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 79 | snd_soc_dapm_disable_pin(codec, "Headphone Jack"); |
| 80 | snd_soc_dapm_disable_pin(codec, "Headset Jack"); |
| 81 | snd_soc_dapm_disable_pin(codec, "Mic Jack"); |
| 82 | snd_soc_dapm_enable_pin(codec, "Line Jack"); |
Eric Miao | fff1472 | 2008-09-05 22:15:23 +0800 | [diff] [blame] | 83 | gpio_set_value(SPITZ_GPIO_MUTE_L, 0); |
| 84 | gpio_set_value(SPITZ_GPIO_MUTE_R, 0); |
Liam Girdwood | 7fb290d | 2006-10-12 14:32:13 +0200 | [diff] [blame] | 85 | break; |
| 86 | case SPITZ_HEADSET: |
| 87 | /* enable and unmute headset jack enable mic bias, mute L hp */ |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 88 | snd_soc_dapm_disable_pin(codec, "Headphone Jack"); |
| 89 | snd_soc_dapm_enable_pin(codec, "Mic Jack"); |
| 90 | snd_soc_dapm_disable_pin(codec, "Line Jack"); |
| 91 | snd_soc_dapm_enable_pin(codec, "Headset Jack"); |
Eric Miao | fff1472 | 2008-09-05 22:15:23 +0800 | [diff] [blame] | 92 | gpio_set_value(SPITZ_GPIO_MUTE_L, 0); |
| 93 | gpio_set_value(SPITZ_GPIO_MUTE_R, 1); |
Liam Girdwood | 7fb290d | 2006-10-12 14:32:13 +0200 | [diff] [blame] | 94 | break; |
| 95 | case SPITZ_HP_OFF: |
| 96 | |
| 97 | /* jack removed, everything off */ |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 98 | snd_soc_dapm_disable_pin(codec, "Headphone Jack"); |
| 99 | snd_soc_dapm_disable_pin(codec, "Headset Jack"); |
| 100 | snd_soc_dapm_disable_pin(codec, "Mic Jack"); |
| 101 | snd_soc_dapm_disable_pin(codec, "Line Jack"); |
Eric Miao | fff1472 | 2008-09-05 22:15:23 +0800 | [diff] [blame] | 102 | gpio_set_value(SPITZ_GPIO_MUTE_L, 0); |
| 103 | gpio_set_value(SPITZ_GPIO_MUTE_R, 0); |
Liam Girdwood | 7fb290d | 2006-10-12 14:32:13 +0200 | [diff] [blame] | 104 | break; |
| 105 | } |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 106 | snd_soc_dapm_sync(codec); |
Liam Girdwood | 7fb290d | 2006-10-12 14:32:13 +0200 | [diff] [blame] | 107 | } |
| 108 | |
| 109 | static int spitz_startup(struct snd_pcm_substream *substream) |
| 110 | { |
| 111 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
Takashi Iwai | 9e30d77 | 2009-02-11 08:28:04 +0100 | [diff] [blame] | 112 | struct snd_soc_codec *codec = rtd->socdev->card->codec; |
Liam Girdwood | 7fb290d | 2006-10-12 14:32:13 +0200 | [diff] [blame] | 113 | |
| 114 | /* check the jack status at stream startup */ |
| 115 | spitz_ext_control(codec); |
| 116 | return 0; |
| 117 | } |
| 118 | |
Liam Girdwood | 97952f6 | 2007-02-02 17:22:46 +0100 | [diff] [blame] | 119 | static int spitz_hw_params(struct snd_pcm_substream *substream, |
| 120 | struct snd_pcm_hw_params *params) |
| 121 | { |
| 122 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
Liam Girdwood | 917f93a | 2008-07-07 16:08:11 +0100 | [diff] [blame] | 123 | struct snd_soc_dai *codec_dai = rtd->dai->codec_dai; |
| 124 | struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; |
Liam Girdwood | 97952f6 | 2007-02-02 17:22:46 +0100 | [diff] [blame] | 125 | unsigned int clk = 0; |
| 126 | int ret = 0; |
| 127 | |
| 128 | switch (params_rate(params)) { |
| 129 | case 8000: |
| 130 | case 16000: |
| 131 | case 48000: |
| 132 | case 96000: |
| 133 | clk = 12288000; |
| 134 | break; |
| 135 | case 11025: |
| 136 | case 22050: |
| 137 | case 44100: |
| 138 | clk = 11289600; |
| 139 | break; |
| 140 | } |
| 141 | |
| 142 | /* set codec DAI configuration */ |
Liam Girdwood | 64105cf | 2008-07-08 13:19:18 +0100 | [diff] [blame] | 143 | ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S | |
Liam Girdwood | 97952f6 | 2007-02-02 17:22:46 +0100 | [diff] [blame] | 144 | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS); |
| 145 | if (ret < 0) |
| 146 | return ret; |
| 147 | |
| 148 | /* set cpu DAI configuration */ |
Liam Girdwood | 64105cf | 2008-07-08 13:19:18 +0100 | [diff] [blame] | 149 | ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S | |
Liam Girdwood | 97952f6 | 2007-02-02 17:22:46 +0100 | [diff] [blame] | 150 | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS); |
| 151 | if (ret < 0) |
| 152 | return ret; |
| 153 | |
| 154 | /* set the codec system clock for DAC and ADC */ |
Liam Girdwood | 64105cf | 2008-07-08 13:19:18 +0100 | [diff] [blame] | 155 | ret = snd_soc_dai_set_sysclk(codec_dai, WM8750_SYSCLK, clk, |
Liam Girdwood | 97952f6 | 2007-02-02 17:22:46 +0100 | [diff] [blame] | 156 | SND_SOC_CLOCK_IN); |
| 157 | if (ret < 0) |
| 158 | return ret; |
| 159 | |
| 160 | /* set the I2S system clock as input (unused) */ |
Liam Girdwood | 64105cf | 2008-07-08 13:19:18 +0100 | [diff] [blame] | 161 | ret = snd_soc_dai_set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0, |
Liam Girdwood | 97952f6 | 2007-02-02 17:22:46 +0100 | [diff] [blame] | 162 | SND_SOC_CLOCK_IN); |
| 163 | if (ret < 0) |
| 164 | return ret; |
| 165 | |
| 166 | return 0; |
| 167 | } |
| 168 | |
Liam Girdwood | 7fb290d | 2006-10-12 14:32:13 +0200 | [diff] [blame] | 169 | static struct snd_soc_ops spitz_ops = { |
| 170 | .startup = spitz_startup, |
Liam Girdwood | 97952f6 | 2007-02-02 17:22:46 +0100 | [diff] [blame] | 171 | .hw_params = spitz_hw_params, |
Liam Girdwood | 7fb290d | 2006-10-12 14:32:13 +0200 | [diff] [blame] | 172 | }; |
| 173 | |
| 174 | static int spitz_get_jack(struct snd_kcontrol *kcontrol, |
| 175 | struct snd_ctl_elem_value *ucontrol) |
| 176 | { |
| 177 | ucontrol->value.integer.value[0] = spitz_jack_func; |
| 178 | return 0; |
| 179 | } |
| 180 | |
| 181 | static int spitz_set_jack(struct snd_kcontrol *kcontrol, |
| 182 | struct snd_ctl_elem_value *ucontrol) |
| 183 | { |
| 184 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
| 185 | |
| 186 | if (spitz_jack_func == ucontrol->value.integer.value[0]) |
| 187 | return 0; |
| 188 | |
| 189 | spitz_jack_func = ucontrol->value.integer.value[0]; |
| 190 | spitz_ext_control(codec); |
| 191 | return 1; |
| 192 | } |
| 193 | |
| 194 | static int spitz_get_spk(struct snd_kcontrol *kcontrol, |
| 195 | struct snd_ctl_elem_value *ucontrol) |
| 196 | { |
| 197 | ucontrol->value.integer.value[0] = spitz_spk_func; |
| 198 | return 0; |
| 199 | } |
| 200 | |
| 201 | static int spitz_set_spk(struct snd_kcontrol *kcontrol, |
| 202 | struct snd_ctl_elem_value *ucontrol) |
| 203 | { |
| 204 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
| 205 | |
| 206 | if (spitz_spk_func == ucontrol->value.integer.value[0]) |
| 207 | return 0; |
| 208 | |
| 209 | spitz_spk_func = ucontrol->value.integer.value[0]; |
| 210 | spitz_ext_control(codec); |
| 211 | return 1; |
| 212 | } |
| 213 | |
Jarkko Nikula | 338c7ed | 2008-02-28 12:34:48 +0100 | [diff] [blame] | 214 | static int spitz_mic_bias(struct snd_soc_dapm_widget *w, |
| 215 | struct snd_kcontrol *k, int event) |
Liam Girdwood | 7fb290d | 2006-10-12 14:32:13 +0200 | [diff] [blame] | 216 | { |
Eric Miao | fff1472 | 2008-09-05 22:15:23 +0800 | [diff] [blame] | 217 | if (machine_is_borzoi() || machine_is_spitz()) |
| 218 | gpio_set_value(SPITZ_GPIO_MIC_BIAS, |
| 219 | SND_SOC_DAPM_EVENT_ON(event)); |
Liam Girdwood | 7fb290d | 2006-10-12 14:32:13 +0200 | [diff] [blame] | 220 | |
Eric Miao | f72de66 | 2008-09-06 08:46:23 +0800 | [diff] [blame] | 221 | if (machine_is_akita()) |
| 222 | gpio_set_value(AKITA_GPIO_MIC_BIAS, |
| 223 | SND_SOC_DAPM_EVENT_ON(event)); |
| 224 | |
Liam Girdwood | 7fb290d | 2006-10-12 14:32:13 +0200 | [diff] [blame] | 225 | return 0; |
| 226 | } |
| 227 | |
| 228 | /* spitz machine dapm widgets */ |
| 229 | static const struct snd_soc_dapm_widget wm8750_dapm_widgets[] = { |
| 230 | SND_SOC_DAPM_HP("Headphone Jack", NULL), |
| 231 | SND_SOC_DAPM_MIC("Mic Jack", spitz_mic_bias), |
| 232 | SND_SOC_DAPM_SPK("Ext Spk", NULL), |
| 233 | SND_SOC_DAPM_LINE("Line Jack", NULL), |
| 234 | |
| 235 | /* headset is a mic and mono headphone */ |
| 236 | SND_SOC_DAPM_HP("Headset Jack", NULL), |
| 237 | }; |
| 238 | |
| 239 | /* Spitz machine audio_map */ |
Mark Brown | 25191c4 | 2008-05-13 14:55:48 +0200 | [diff] [blame] | 240 | static const struct snd_soc_dapm_route audio_map[] = { |
Liam Girdwood | 7fb290d | 2006-10-12 14:32:13 +0200 | [diff] [blame] | 241 | |
| 242 | /* headphone connected to LOUT1, ROUT1 */ |
| 243 | {"Headphone Jack", NULL, "LOUT1"}, |
| 244 | {"Headphone Jack", NULL, "ROUT1"}, |
| 245 | |
| 246 | /* headset connected to ROUT1 and LINPUT1 with bias (def below) */ |
| 247 | {"Headset Jack", NULL, "ROUT1"}, |
| 248 | |
| 249 | /* ext speaker connected to LOUT2, ROUT2 */ |
| 250 | {"Ext Spk", NULL , "ROUT2"}, |
| 251 | {"Ext Spk", NULL , "LOUT2"}, |
| 252 | |
| 253 | /* mic is connected to input 1 - with bias */ |
| 254 | {"LINPUT1", NULL, "Mic Bias"}, |
| 255 | {"Mic Bias", NULL, "Mic Jack"}, |
| 256 | |
| 257 | /* line is connected to input 1 - no bias */ |
| 258 | {"LINPUT1", NULL, "Line Jack"}, |
Liam Girdwood | 7fb290d | 2006-10-12 14:32:13 +0200 | [diff] [blame] | 259 | }; |
| 260 | |
| 261 | static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset", |
| 262 | "Off"}; |
| 263 | static const char *spk_function[] = {"On", "Off"}; |
| 264 | static const struct soc_enum spitz_enum[] = { |
| 265 | SOC_ENUM_SINGLE_EXT(5, jack_function), |
| 266 | SOC_ENUM_SINGLE_EXT(2, spk_function), |
| 267 | }; |
| 268 | |
| 269 | static const struct snd_kcontrol_new wm8750_spitz_controls[] = { |
| 270 | SOC_ENUM_EXT("Jack Function", spitz_enum[0], spitz_get_jack, |
| 271 | spitz_set_jack), |
| 272 | SOC_ENUM_EXT("Speaker Function", spitz_enum[1], spitz_get_spk, |
| 273 | spitz_set_spk), |
| 274 | }; |
| 275 | |
| 276 | /* |
| 277 | * Logic for a wm8750 as connected on a Sharp SL-Cxx00 Device |
| 278 | */ |
| 279 | static int spitz_wm8750_init(struct snd_soc_codec *codec) |
| 280 | { |
Philipp Zabel | eb5f6d75 | 2009-03-12 11:07:54 +0100 | [diff] [blame] | 281 | int err; |
Liam Girdwood | 7fb290d | 2006-10-12 14:32:13 +0200 | [diff] [blame] | 282 | |
| 283 | /* NC codec pins */ |
Mark Brown | 35f5e54 | 2008-09-27 10:45:09 +0100 | [diff] [blame] | 284 | snd_soc_dapm_nc_pin(codec, "RINPUT1"); |
| 285 | snd_soc_dapm_nc_pin(codec, "LINPUT2"); |
| 286 | snd_soc_dapm_nc_pin(codec, "RINPUT2"); |
| 287 | snd_soc_dapm_nc_pin(codec, "LINPUT3"); |
| 288 | snd_soc_dapm_nc_pin(codec, "RINPUT3"); |
| 289 | snd_soc_dapm_nc_pin(codec, "OUT3"); |
| 290 | snd_soc_dapm_nc_pin(codec, "MONO1"); |
Liam Girdwood | 7fb290d | 2006-10-12 14:32:13 +0200 | [diff] [blame] | 291 | |
| 292 | /* Add spitz specific controls */ |
Philipp Zabel | eb5f6d75 | 2009-03-12 11:07:54 +0100 | [diff] [blame] | 293 | err = snd_soc_add_controls(codec, wm8750_spitz_controls, |
| 294 | ARRAY_SIZE(wm8750_spitz_controls)); |
| 295 | if (err < 0) |
| 296 | return err; |
Liam Girdwood | 7fb290d | 2006-10-12 14:32:13 +0200 | [diff] [blame] | 297 | |
| 298 | /* Add spitz specific widgets */ |
Mark Brown | 25191c4 | 2008-05-13 14:55:48 +0200 | [diff] [blame] | 299 | snd_soc_dapm_new_controls(codec, wm8750_dapm_widgets, |
| 300 | ARRAY_SIZE(wm8750_dapm_widgets)); |
Liam Girdwood | 7fb290d | 2006-10-12 14:32:13 +0200 | [diff] [blame] | 301 | |
Mark Brown | 25191c4 | 2008-05-13 14:55:48 +0200 | [diff] [blame] | 302 | /* Set up spitz specific audio paths */ |
| 303 | snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map)); |
Liam Girdwood | 7fb290d | 2006-10-12 14:32:13 +0200 | [diff] [blame] | 304 | |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 305 | snd_soc_dapm_sync(codec); |
Liam Girdwood | 7fb290d | 2006-10-12 14:32:13 +0200 | [diff] [blame] | 306 | return 0; |
| 307 | } |
| 308 | |
Liam Girdwood | 7fb290d | 2006-10-12 14:32:13 +0200 | [diff] [blame] | 309 | /* spitz digital audio interface glue - connects codec <--> CPU */ |
| 310 | static struct snd_soc_dai_link spitz_dai = { |
| 311 | .name = "wm8750", |
| 312 | .stream_name = "WM8750", |
| 313 | .cpu_dai = &pxa_i2s_dai, |
| 314 | .codec_dai = &wm8750_dai, |
| 315 | .init = spitz_wm8750_init, |
Liam Girdwood | 97952f6 | 2007-02-02 17:22:46 +0100 | [diff] [blame] | 316 | .ops = &spitz_ops, |
Liam Girdwood | 7fb290d | 2006-10-12 14:32:13 +0200 | [diff] [blame] | 317 | }; |
| 318 | |
| 319 | /* spitz audio machine driver */ |
Mark Brown | 8750654 | 2008-11-18 20:50:34 +0000 | [diff] [blame] | 320 | static struct snd_soc_card snd_soc_spitz = { |
Liam Girdwood | 7fb290d | 2006-10-12 14:32:13 +0200 | [diff] [blame] | 321 | .name = "Spitz", |
Mark Brown | 87689d5 | 2008-12-02 16:01:14 +0000 | [diff] [blame] | 322 | .platform = &pxa2xx_soc_platform, |
Liam Girdwood | 7fb290d | 2006-10-12 14:32:13 +0200 | [diff] [blame] | 323 | .dai_link = &spitz_dai, |
| 324 | .num_links = 1, |
Liam Girdwood | 7fb290d | 2006-10-12 14:32:13 +0200 | [diff] [blame] | 325 | }; |
| 326 | |
| 327 | /* spitz audio private data */ |
| 328 | static struct wm8750_setup_data spitz_wm8750_setup = { |
Jean Delvare | ee1d009 | 2008-09-01 18:47:00 +0100 | [diff] [blame] | 329 | .i2c_bus = 0, |
Liam Girdwood | 7fb290d | 2006-10-12 14:32:13 +0200 | [diff] [blame] | 330 | .i2c_address = 0x1b, |
| 331 | }; |
| 332 | |
| 333 | /* spitz audio subsystem */ |
| 334 | static struct snd_soc_device spitz_snd_devdata = { |
Mark Brown | 8750654 | 2008-11-18 20:50:34 +0000 | [diff] [blame] | 335 | .card = &snd_soc_spitz, |
Liam Girdwood | 7fb290d | 2006-10-12 14:32:13 +0200 | [diff] [blame] | 336 | .codec_dev = &soc_codec_dev_wm8750, |
| 337 | .codec_data = &spitz_wm8750_setup, |
| 338 | }; |
| 339 | |
| 340 | static struct platform_device *spitz_snd_device; |
| 341 | |
| 342 | static int __init spitz_init(void) |
| 343 | { |
| 344 | int ret; |
| 345 | |
| 346 | if (!(machine_is_spitz() || machine_is_borzoi() || machine_is_akita())) |
| 347 | return -ENODEV; |
| 348 | |
| 349 | spitz_snd_device = platform_device_alloc("soc-audio", -1); |
| 350 | if (!spitz_snd_device) |
| 351 | return -ENOMEM; |
| 352 | |
| 353 | platform_set_drvdata(spitz_snd_device, &spitz_snd_devdata); |
| 354 | spitz_snd_devdata.dev = &spitz_snd_device->dev; |
| 355 | ret = platform_device_add(spitz_snd_device); |
| 356 | |
| 357 | if (ret) |
| 358 | platform_device_put(spitz_snd_device); |
| 359 | |
| 360 | return ret; |
| 361 | } |
| 362 | |
| 363 | static void __exit spitz_exit(void) |
| 364 | { |
| 365 | platform_device_unregister(spitz_snd_device); |
| 366 | } |
| 367 | |
| 368 | module_init(spitz_init); |
| 369 | module_exit(spitz_exit); |
| 370 | |
| 371 | MODULE_AUTHOR("Richard Purdie"); |
| 372 | MODULE_DESCRIPTION("ALSA SoC Spitz"); |
| 373 | MODULE_LICENSE("GPL"); |