Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 1 | /* |
| 2 | * neo1973_wm8753.c -- SoC audio for Neo1973 |
| 3 | * |
| 4 | * Copyright 2007 Wolfson Microelectronics PLC. |
| 5 | * Author: Graeme Gregory |
| 6 | * graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify it |
| 9 | * under the terms of the GNU General Public License as published by the |
| 10 | * Free Software Foundation; either version 2 of the License, or (at your |
| 11 | * option) any later version. |
| 12 | * |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 13 | */ |
| 14 | |
| 15 | #include <linux/module.h> |
| 16 | #include <linux/moduleparam.h> |
| 17 | #include <linux/timer.h> |
| 18 | #include <linux/interrupt.h> |
| 19 | #include <linux/platform_device.h> |
| 20 | #include <linux/i2c.h> |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 21 | #include <sound/core.h> |
| 22 | #include <sound/pcm.h> |
| 23 | #include <sound/soc.h> |
| 24 | #include <sound/soc-dapm.h> |
Mike Montour | a2e31a5 | 2008-06-11 13:47:14 +0100 | [diff] [blame] | 25 | #include <sound/tlv.h> |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 26 | |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 27 | #include <asm/hardware/scoop.h> |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame^] | 28 | #include <mach/regs-clock.h> |
| 29 | #include <mach/regs-gpio.h> |
| 30 | #include <mach/hardware.h> |
| 31 | #include <mach/audio.h> |
Graeme Gregory | 8ba02ac | 2008-04-30 20:24:54 +0200 | [diff] [blame] | 32 | #include <linux/io.h> |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame^] | 33 | #include <mach/spi-gpio.h> |
Harald Welte | aa9673c | 2007-12-19 15:37:49 +0100 | [diff] [blame] | 34 | |
| 35 | #include <asm/plat-s3c24xx/regs-iis.h> |
| 36 | |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 37 | #include "../codecs/wm8753.h" |
| 38 | #include "lm4857.h" |
| 39 | #include "s3c24xx-pcm.h" |
| 40 | #include "s3c24xx-i2s.h" |
| 41 | |
Tim Niemeyer | 1894c59 | 2008-05-05 14:16:12 +0200 | [diff] [blame] | 42 | /* Debugging stuff */ |
| 43 | #define S3C24XX_SOC_NEO1973_WM8753_DEBUG 0 |
| 44 | #if S3C24XX_SOC_NEO1973_WM8753_DEBUG |
| 45 | #define DBG(x...) printk(KERN_DEBUG "s3c24xx-soc-neo1973-wm8753: " x) |
| 46 | #else |
| 47 | #define DBG(x...) |
| 48 | #endif |
| 49 | |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 50 | /* define the scenarios */ |
| 51 | #define NEO_AUDIO_OFF 0 |
| 52 | #define NEO_GSM_CALL_AUDIO_HANDSET 1 |
| 53 | #define NEO_GSM_CALL_AUDIO_HEADSET 2 |
| 54 | #define NEO_GSM_CALL_AUDIO_BLUETOOTH 3 |
| 55 | #define NEO_STEREO_TO_SPEAKERS 4 |
| 56 | #define NEO_STEREO_TO_HEADPHONES 5 |
| 57 | #define NEO_CAPTURE_HANDSET 6 |
| 58 | #define NEO_CAPTURE_HEADSET 7 |
| 59 | #define NEO_CAPTURE_BLUETOOTH 8 |
| 60 | |
| 61 | static struct snd_soc_machine neo1973; |
| 62 | static struct i2c_client *i2c; |
| 63 | |
| 64 | static int neo1973_hifi_hw_params(struct snd_pcm_substream *substream, |
| 65 | struct snd_pcm_hw_params *params) |
| 66 | { |
| 67 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
Liam Girdwood | 1992a6f | 2008-07-07 16:08:24 +0100 | [diff] [blame] | 68 | struct snd_soc_dai *codec_dai = rtd->dai->codec_dai; |
| 69 | struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 70 | unsigned int pll_out = 0, bclk = 0; |
| 71 | int ret = 0; |
| 72 | unsigned long iis_clkrate; |
| 73 | |
Tim Niemeyer | 1894c59 | 2008-05-05 14:16:12 +0200 | [diff] [blame] | 74 | DBG("Entered %s\n", __func__); |
| 75 | |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 76 | iis_clkrate = s3c24xx_i2s_get_clockrate(); |
| 77 | |
| 78 | switch (params_rate(params)) { |
| 79 | case 8000: |
| 80 | case 16000: |
| 81 | pll_out = 12288000; |
| 82 | break; |
| 83 | case 48000: |
| 84 | bclk = WM8753_BCLK_DIV_4; |
| 85 | pll_out = 12288000; |
| 86 | break; |
| 87 | case 96000: |
| 88 | bclk = WM8753_BCLK_DIV_2; |
| 89 | pll_out = 12288000; |
| 90 | break; |
| 91 | case 11025: |
| 92 | bclk = WM8753_BCLK_DIV_16; |
| 93 | pll_out = 11289600; |
| 94 | break; |
| 95 | case 22050: |
| 96 | bclk = WM8753_BCLK_DIV_8; |
| 97 | pll_out = 11289600; |
| 98 | break; |
| 99 | case 44100: |
| 100 | bclk = WM8753_BCLK_DIV_4; |
| 101 | pll_out = 11289600; |
| 102 | break; |
| 103 | case 88200: |
| 104 | bclk = WM8753_BCLK_DIV_2; |
| 105 | pll_out = 11289600; |
| 106 | break; |
| 107 | } |
| 108 | |
| 109 | /* set codec DAI configuration */ |
Liam Girdwood | 64105cf | 2008-07-08 13:19:18 +0100 | [diff] [blame] | 110 | ret = snd_soc_dai_set_fmt(codec_dai, |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 111 | SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
| 112 | SND_SOC_DAIFMT_CBM_CFM); |
| 113 | if (ret < 0) |
| 114 | return ret; |
| 115 | |
| 116 | /* set cpu DAI configuration */ |
Liam Girdwood | 64105cf | 2008-07-08 13:19:18 +0100 | [diff] [blame] | 117 | ret = snd_soc_dai_set_fmt(cpu_dai, |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 118 | SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
| 119 | SND_SOC_DAIFMT_CBM_CFM); |
| 120 | if (ret < 0) |
| 121 | return ret; |
| 122 | |
| 123 | /* set the codec system clock for DAC and ADC */ |
Liam Girdwood | 64105cf | 2008-07-08 13:19:18 +0100 | [diff] [blame] | 124 | ret = snd_soc_dai_set_sysclk(codec_dai, WM8753_MCLK, pll_out, |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 125 | SND_SOC_CLOCK_IN); |
| 126 | if (ret < 0) |
| 127 | return ret; |
| 128 | |
| 129 | /* set MCLK division for sample rate */ |
Liam Girdwood | 64105cf | 2008-07-08 13:19:18 +0100 | [diff] [blame] | 130 | ret = snd_soc_dai_set_clkdiv(cpu_dai, S3C24XX_DIV_MCLK, |
Graeme Gregory | 8ba02ac | 2008-04-30 20:24:54 +0200 | [diff] [blame] | 131 | S3C2410_IISMOD_32FS); |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 132 | if (ret < 0) |
| 133 | return ret; |
| 134 | |
| 135 | /* set codec BCLK division for sample rate */ |
Liam Girdwood | 64105cf | 2008-07-08 13:19:18 +0100 | [diff] [blame] | 136 | ret = snd_soc_dai_set_clkdiv(codec_dai, WM8753_BCLKDIV, bclk); |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 137 | if (ret < 0) |
| 138 | return ret; |
| 139 | |
| 140 | /* set prescaler division for sample rate */ |
Liam Girdwood | 64105cf | 2008-07-08 13:19:18 +0100 | [diff] [blame] | 141 | ret = snd_soc_dai_set_clkdiv(cpu_dai, S3C24XX_DIV_PRESCALER, |
Graeme Gregory | 8ba02ac | 2008-04-30 20:24:54 +0200 | [diff] [blame] | 142 | S3C24XX_PRESCALE(4, 4)); |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 143 | if (ret < 0) |
| 144 | return ret; |
| 145 | |
| 146 | /* codec PLL input is PCLK/4 */ |
Liam Girdwood | 64105cf | 2008-07-08 13:19:18 +0100 | [diff] [blame] | 147 | ret = snd_soc_dai_set_pll(codec_dai, WM8753_PLL1, |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 148 | iis_clkrate / 4, pll_out); |
| 149 | if (ret < 0) |
| 150 | return ret; |
| 151 | |
| 152 | return 0; |
| 153 | } |
| 154 | |
| 155 | static int neo1973_hifi_hw_free(struct snd_pcm_substream *substream) |
| 156 | { |
| 157 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
Liam Girdwood | 1992a6f | 2008-07-07 16:08:24 +0100 | [diff] [blame] | 158 | struct snd_soc_dai *codec_dai = rtd->dai->codec_dai; |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 159 | |
Tim Niemeyer | 1894c59 | 2008-05-05 14:16:12 +0200 | [diff] [blame] | 160 | DBG("Entered %s\n", __func__); |
| 161 | |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 162 | /* disable the PLL */ |
Liam Girdwood | 64105cf | 2008-07-08 13:19:18 +0100 | [diff] [blame] | 163 | return snd_soc_dai_set_pll(codec_dai, WM8753_PLL1, 0, 0); |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 164 | } |
| 165 | |
| 166 | /* |
| 167 | * Neo1973 WM8753 HiFi DAI opserations. |
| 168 | */ |
| 169 | static struct snd_soc_ops neo1973_hifi_ops = { |
| 170 | .hw_params = neo1973_hifi_hw_params, |
| 171 | .hw_free = neo1973_hifi_hw_free, |
| 172 | }; |
| 173 | |
| 174 | static int neo1973_voice_hw_params(struct snd_pcm_substream *substream, |
| 175 | struct snd_pcm_hw_params *params) |
| 176 | { |
| 177 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
Liam Girdwood | 1992a6f | 2008-07-07 16:08:24 +0100 | [diff] [blame] | 178 | struct snd_soc_dai *codec_dai = rtd->dai->codec_dai; |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 179 | unsigned int pcmdiv = 0; |
| 180 | int ret = 0; |
| 181 | unsigned long iis_clkrate; |
| 182 | |
Tim Niemeyer | 1894c59 | 2008-05-05 14:16:12 +0200 | [diff] [blame] | 183 | DBG("Entered %s\n", __func__); |
| 184 | |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 185 | iis_clkrate = s3c24xx_i2s_get_clockrate(); |
| 186 | |
| 187 | if (params_rate(params) != 8000) |
| 188 | return -EINVAL; |
| 189 | if (params_channels(params) != 1) |
| 190 | return -EINVAL; |
| 191 | |
| 192 | pcmdiv = WM8753_PCM_DIV_6; /* 2.048 MHz */ |
| 193 | |
| 194 | /* todo: gg check mode (DSP_B) against CSR datasheet */ |
| 195 | /* set codec DAI configuration */ |
Liam Girdwood | 64105cf | 2008-07-08 13:19:18 +0100 | [diff] [blame] | 196 | ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_DSP_B | |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 197 | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS); |
| 198 | if (ret < 0) |
| 199 | return ret; |
| 200 | |
| 201 | /* set the codec system clock for DAC and ADC */ |
Liam Girdwood | 64105cf | 2008-07-08 13:19:18 +0100 | [diff] [blame] | 202 | ret = snd_soc_dai_set_sysclk(codec_dai, WM8753_PCMCLK, 12288000, |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 203 | SND_SOC_CLOCK_IN); |
| 204 | if (ret < 0) |
| 205 | return ret; |
| 206 | |
| 207 | /* set codec PCM division for sample rate */ |
Liam Girdwood | 64105cf | 2008-07-08 13:19:18 +0100 | [diff] [blame] | 208 | ret = snd_soc_dai_set_clkdiv(codec_dai, WM8753_PCMDIV, pcmdiv); |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 209 | if (ret < 0) |
| 210 | return ret; |
| 211 | |
| 212 | /* configue and enable PLL for 12.288MHz output */ |
Liam Girdwood | 64105cf | 2008-07-08 13:19:18 +0100 | [diff] [blame] | 213 | ret = snd_soc_dai_set_pll(codec_dai, WM8753_PLL2, |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 214 | iis_clkrate / 4, 12288000); |
| 215 | if (ret < 0) |
| 216 | return ret; |
| 217 | |
| 218 | return 0; |
| 219 | } |
| 220 | |
| 221 | static int neo1973_voice_hw_free(struct snd_pcm_substream *substream) |
| 222 | { |
| 223 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
Liam Girdwood | 1992a6f | 2008-07-07 16:08:24 +0100 | [diff] [blame] | 224 | struct snd_soc_dai *codec_dai = rtd->dai->codec_dai; |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 225 | |
Tim Niemeyer | 1894c59 | 2008-05-05 14:16:12 +0200 | [diff] [blame] | 226 | DBG("Entered %s\n", __func__); |
| 227 | |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 228 | /* disable the PLL */ |
Liam Girdwood | 64105cf | 2008-07-08 13:19:18 +0100 | [diff] [blame] | 229 | return snd_soc_dai_set_pll(codec_dai, WM8753_PLL2, 0, 0); |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 230 | } |
| 231 | |
| 232 | static struct snd_soc_ops neo1973_voice_ops = { |
| 233 | .hw_params = neo1973_voice_hw_params, |
| 234 | .hw_free = neo1973_voice_hw_free, |
| 235 | }; |
| 236 | |
Graeme Gregory | 8ba02ac | 2008-04-30 20:24:54 +0200 | [diff] [blame] | 237 | static int neo1973_scenario; |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 238 | |
| 239 | static int neo1973_get_scenario(struct snd_kcontrol *kcontrol, |
| 240 | struct snd_ctl_elem_value *ucontrol) |
| 241 | { |
| 242 | ucontrol->value.integer.value[0] = neo1973_scenario; |
| 243 | return 0; |
| 244 | } |
| 245 | |
| 246 | static int set_scenario_endpoints(struct snd_soc_codec *codec, int scenario) |
| 247 | { |
Tim Niemeyer | 1894c59 | 2008-05-05 14:16:12 +0200 | [diff] [blame] | 248 | DBG("Entered %s\n", __func__); |
| 249 | |
Graeme Gregory | 8ba02ac | 2008-04-30 20:24:54 +0200 | [diff] [blame] | 250 | switch (neo1973_scenario) { |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 251 | case NEO_AUDIO_OFF: |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 252 | snd_soc_dapm_disable_pin(codec, "Audio Out"); |
| 253 | snd_soc_dapm_disable_pin(codec, "GSM Line Out"); |
| 254 | snd_soc_dapm_disable_pin(codec, "GSM Line In"); |
| 255 | snd_soc_dapm_disable_pin(codec, "Headset Mic"); |
| 256 | snd_soc_dapm_disable_pin(codec, "Call Mic"); |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 257 | break; |
| 258 | case NEO_GSM_CALL_AUDIO_HANDSET: |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 259 | snd_soc_dapm_enable_pin(codec, "Audio Out"); |
| 260 | snd_soc_dapm_enable_pin(codec, "GSM Line Out"); |
| 261 | snd_soc_dapm_enable_pin(codec, "GSM Line In"); |
| 262 | snd_soc_dapm_disable_pin(codec, "Headset Mic"); |
| 263 | snd_soc_dapm_enable_pin(codec, "Call Mic"); |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 264 | break; |
| 265 | case NEO_GSM_CALL_AUDIO_HEADSET: |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 266 | snd_soc_dapm_enable_pin(codec, "Audio Out"); |
| 267 | snd_soc_dapm_enable_pin(codec, "GSM Line Out"); |
| 268 | snd_soc_dapm_enable_pin(codec, "GSM Line In"); |
| 269 | snd_soc_dapm_enable_pin(codec, "Headset Mic"); |
| 270 | snd_soc_dapm_disable_pin(codec, "Call Mic"); |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 271 | break; |
| 272 | case NEO_GSM_CALL_AUDIO_BLUETOOTH: |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 273 | snd_soc_dapm_disable_pin(codec, "Audio Out"); |
| 274 | snd_soc_dapm_enable_pin(codec, "GSM Line Out"); |
| 275 | snd_soc_dapm_enable_pin(codec, "GSM Line In"); |
| 276 | snd_soc_dapm_disable_pin(codec, "Headset Mic"); |
| 277 | snd_soc_dapm_disable_pin(codec, "Call Mic"); |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 278 | break; |
| 279 | case NEO_STEREO_TO_SPEAKERS: |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 280 | snd_soc_dapm_enable_pin(codec, "Audio Out"); |
| 281 | snd_soc_dapm_disable_pin(codec, "GSM Line Out"); |
| 282 | snd_soc_dapm_disable_pin(codec, "GSM Line In"); |
| 283 | snd_soc_dapm_disable_pin(codec, "Headset Mic"); |
| 284 | snd_soc_dapm_disable_pin(codec, "Call Mic"); |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 285 | break; |
| 286 | case NEO_STEREO_TO_HEADPHONES: |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 287 | snd_soc_dapm_enable_pin(codec, "Audio Out"); |
| 288 | snd_soc_dapm_disable_pin(codec, "GSM Line Out"); |
| 289 | snd_soc_dapm_disable_pin(codec, "GSM Line In"); |
| 290 | snd_soc_dapm_disable_pin(codec, "Headset Mic"); |
| 291 | snd_soc_dapm_disable_pin(codec, "Call Mic"); |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 292 | break; |
| 293 | case NEO_CAPTURE_HANDSET: |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 294 | snd_soc_dapm_disable_pin(codec, "Audio Out"); |
| 295 | snd_soc_dapm_disable_pin(codec, "GSM Line Out"); |
| 296 | snd_soc_dapm_disable_pin(codec, "GSM Line In"); |
| 297 | snd_soc_dapm_disable_pin(codec, "Headset Mic"); |
| 298 | snd_soc_dapm_enable_pin(codec, "Call Mic"); |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 299 | break; |
| 300 | case NEO_CAPTURE_HEADSET: |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 301 | snd_soc_dapm_disable_pin(codec, "Audio Out"); |
| 302 | snd_soc_dapm_disable_pin(codec, "GSM Line Out"); |
| 303 | snd_soc_dapm_disable_pin(codec, "GSM Line In"); |
| 304 | snd_soc_dapm_enable_pin(codec, "Headset Mic"); |
| 305 | snd_soc_dapm_disable_pin(codec, "Call Mic"); |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 306 | break; |
| 307 | case NEO_CAPTURE_BLUETOOTH: |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 308 | snd_soc_dapm_disable_pin(codec, "Audio Out"); |
| 309 | snd_soc_dapm_disable_pin(codec, "GSM Line Out"); |
| 310 | snd_soc_dapm_disable_pin(codec, "GSM Line In"); |
| 311 | snd_soc_dapm_disable_pin(codec, "Headset Mic"); |
| 312 | snd_soc_dapm_disable_pin(codec, "Call Mic"); |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 313 | break; |
| 314 | default: |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 315 | snd_soc_dapm_disable_pin(codec, "Audio Out"); |
| 316 | snd_soc_dapm_disable_pin(codec, "GSM Line Out"); |
| 317 | snd_soc_dapm_disable_pin(codec, "GSM Line In"); |
| 318 | snd_soc_dapm_disable_pin(codec, "Headset Mic"); |
| 319 | snd_soc_dapm_disable_pin(codec, "Call Mic"); |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 320 | } |
| 321 | |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 322 | snd_soc_dapm_sync(codec); |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 323 | |
| 324 | return 0; |
| 325 | } |
| 326 | |
| 327 | static int neo1973_set_scenario(struct snd_kcontrol *kcontrol, |
| 328 | struct snd_ctl_elem_value *ucontrol) |
| 329 | { |
| 330 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
| 331 | |
Tim Niemeyer | 1894c59 | 2008-05-05 14:16:12 +0200 | [diff] [blame] | 332 | DBG("Entered %s\n", __func__); |
| 333 | |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 334 | if (neo1973_scenario == ucontrol->value.integer.value[0]) |
| 335 | return 0; |
| 336 | |
| 337 | neo1973_scenario = ucontrol->value.integer.value[0]; |
| 338 | set_scenario_endpoints(codec, neo1973_scenario); |
| 339 | return 1; |
| 340 | } |
| 341 | |
| 342 | static u8 lm4857_regs[4] = {0x00, 0x40, 0x80, 0xC0}; |
| 343 | |
| 344 | static void lm4857_write_regs(void) |
| 345 | { |
Tim Niemeyer | 1894c59 | 2008-05-05 14:16:12 +0200 | [diff] [blame] | 346 | DBG("Entered %s\n", __func__); |
| 347 | |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 348 | if (i2c_master_send(i2c, lm4857_regs, 4) != 4) |
| 349 | printk(KERN_ERR "lm4857: i2c write failed\n"); |
| 350 | } |
| 351 | |
| 352 | static int lm4857_get_reg(struct snd_kcontrol *kcontrol, |
| 353 | struct snd_ctl_elem_value *ucontrol) |
| 354 | { |
Graeme Gregory | 8ba02ac | 2008-04-30 20:24:54 +0200 | [diff] [blame] | 355 | int reg = kcontrol->private_value & 0xFF; |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 356 | int shift = (kcontrol->private_value >> 8) & 0x0F; |
| 357 | int mask = (kcontrol->private_value >> 16) & 0xFF; |
| 358 | |
Tim Niemeyer | 1894c59 | 2008-05-05 14:16:12 +0200 | [diff] [blame] | 359 | DBG("Entered %s\n", __func__); |
| 360 | |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 361 | ucontrol->value.integer.value[0] = (lm4857_regs[reg] >> shift) & mask; |
| 362 | return 0; |
| 363 | } |
| 364 | |
| 365 | static int lm4857_set_reg(struct snd_kcontrol *kcontrol, |
| 366 | struct snd_ctl_elem_value *ucontrol) |
| 367 | { |
| 368 | int reg = kcontrol->private_value & 0xFF; |
| 369 | int shift = (kcontrol->private_value >> 8) & 0x0F; |
| 370 | int mask = (kcontrol->private_value >> 16) & 0xFF; |
| 371 | |
Graeme Gregory | 8ba02ac | 2008-04-30 20:24:54 +0200 | [diff] [blame] | 372 | if (((lm4857_regs[reg] >> shift) & mask) == |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 373 | ucontrol->value.integer.value[0]) |
| 374 | return 0; |
| 375 | |
Graeme Gregory | 8ba02ac | 2008-04-30 20:24:54 +0200 | [diff] [blame] | 376 | lm4857_regs[reg] &= ~(mask << shift); |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 377 | lm4857_regs[reg] |= ucontrol->value.integer.value[0] << shift; |
| 378 | lm4857_write_regs(); |
| 379 | return 1; |
| 380 | } |
| 381 | |
| 382 | static int lm4857_get_mode(struct snd_kcontrol *kcontrol, |
| 383 | struct snd_ctl_elem_value *ucontrol) |
| 384 | { |
| 385 | u8 value = lm4857_regs[LM4857_CTRL] & 0x0F; |
| 386 | |
Tim Niemeyer | 1894c59 | 2008-05-05 14:16:12 +0200 | [diff] [blame] | 387 | DBG("Entered %s\n", __func__); |
| 388 | |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 389 | if (value) |
| 390 | value -= 5; |
| 391 | |
| 392 | ucontrol->value.integer.value[0] = value; |
| 393 | return 0; |
| 394 | } |
| 395 | |
| 396 | static int lm4857_set_mode(struct snd_kcontrol *kcontrol, |
| 397 | struct snd_ctl_elem_value *ucontrol) |
| 398 | { |
| 399 | u8 value = ucontrol->value.integer.value[0]; |
| 400 | |
Tim Niemeyer | 1894c59 | 2008-05-05 14:16:12 +0200 | [diff] [blame] | 401 | DBG("Entered %s\n", __func__); |
| 402 | |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 403 | if (value) |
| 404 | value += 5; |
| 405 | |
| 406 | if ((lm4857_regs[LM4857_CTRL] & 0x0F) == value) |
| 407 | return 0; |
| 408 | |
| 409 | lm4857_regs[LM4857_CTRL] &= 0xF0; |
| 410 | lm4857_regs[LM4857_CTRL] |= value; |
| 411 | lm4857_write_regs(); |
| 412 | return 1; |
| 413 | } |
| 414 | |
| 415 | static const struct snd_soc_dapm_widget wm8753_dapm_widgets[] = { |
| 416 | SND_SOC_DAPM_LINE("Audio Out", NULL), |
| 417 | SND_SOC_DAPM_LINE("GSM Line Out", NULL), |
| 418 | SND_SOC_DAPM_LINE("GSM Line In", NULL), |
| 419 | SND_SOC_DAPM_MIC("Headset Mic", NULL), |
| 420 | SND_SOC_DAPM_MIC("Call Mic", NULL), |
| 421 | }; |
| 422 | |
| 423 | |
Mark Brown | 8f3112d | 2008-05-13 14:58:03 +0200 | [diff] [blame] | 424 | static const struct snd_soc_dapm_route dapm_routes[] = { |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 425 | |
| 426 | /* Connections to the lm4857 amp */ |
| 427 | {"Audio Out", NULL, "LOUT1"}, |
| 428 | {"Audio Out", NULL, "ROUT1"}, |
| 429 | |
| 430 | /* Connections to the GSM Module */ |
| 431 | {"GSM Line Out", NULL, "MONO1"}, |
| 432 | {"GSM Line Out", NULL, "MONO2"}, |
| 433 | {"RXP", NULL, "GSM Line In"}, |
| 434 | {"RXN", NULL, "GSM Line In"}, |
| 435 | |
| 436 | /* Connections to Headset */ |
| 437 | {"MIC1", NULL, "Mic Bias"}, |
| 438 | {"Mic Bias", NULL, "Headset Mic"}, |
| 439 | |
| 440 | /* Call Mic */ |
| 441 | {"MIC2", NULL, "Mic Bias"}, |
| 442 | {"MIC2N", NULL, "Mic Bias"}, |
| 443 | {"Mic Bias", NULL, "Call Mic"}, |
| 444 | |
| 445 | /* Connect the ALC pins */ |
| 446 | {"ACIN", NULL, "ACOP"}, |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 447 | }; |
| 448 | |
| 449 | static const char *lm4857_mode[] = { |
| 450 | "Off", |
| 451 | "Call Speaker", |
| 452 | "Stereo Speakers", |
| 453 | "Stereo Speakers + Headphones", |
| 454 | "Headphones" |
| 455 | }; |
| 456 | |
| 457 | static const struct soc_enum lm4857_mode_enum[] = { |
| 458 | SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(lm4857_mode), lm4857_mode), |
| 459 | }; |
| 460 | |
| 461 | static const char *neo_scenarios[] = { |
| 462 | "Off", |
| 463 | "GSM Handset", |
| 464 | "GSM Headset", |
| 465 | "GSM Bluetooth", |
| 466 | "Speakers", |
| 467 | "Headphones", |
| 468 | "Capture Handset", |
| 469 | "Capture Headset", |
| 470 | "Capture Bluetooth" |
| 471 | }; |
| 472 | |
| 473 | static const struct soc_enum neo_scenario_enum[] = { |
Graeme Gregory | 8ba02ac | 2008-04-30 20:24:54 +0200 | [diff] [blame] | 474 | SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(neo_scenarios), neo_scenarios), |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 475 | }; |
| 476 | |
Mike Montour | a2e31a5 | 2008-06-11 13:47:14 +0100 | [diff] [blame] | 477 | static const DECLARE_TLV_DB_SCALE(stereo_tlv, -4050, 150, 0); |
| 478 | static const DECLARE_TLV_DB_SCALE(mono_tlv, -3450, 150, 0); |
| 479 | |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 480 | static const struct snd_kcontrol_new wm8753_neo1973_controls[] = { |
Mike Montour | a2e31a5 | 2008-06-11 13:47:14 +0100 | [diff] [blame] | 481 | SOC_SINGLE_EXT_TLV("Amp Left Playback Volume", LM4857_LVOL, 0, 31, 0, |
| 482 | lm4857_get_reg, lm4857_set_reg, stereo_tlv), |
| 483 | SOC_SINGLE_EXT_TLV("Amp Right Playback Volume", LM4857_RVOL, 0, 31, 0, |
| 484 | lm4857_get_reg, lm4857_set_reg, stereo_tlv), |
| 485 | SOC_SINGLE_EXT_TLV("Amp Mono Playback Volume", LM4857_MVOL, 0, 31, 0, |
| 486 | lm4857_get_reg, lm4857_set_reg, mono_tlv), |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 487 | SOC_ENUM_EXT("Amp Mode", lm4857_mode_enum[0], |
| 488 | lm4857_get_mode, lm4857_set_mode), |
| 489 | SOC_ENUM_EXT("Neo Mode", neo_scenario_enum[0], |
| 490 | neo1973_get_scenario, neo1973_set_scenario), |
| 491 | SOC_SINGLE_EXT("Amp Spk 3D Playback Switch", LM4857_LVOL, 5, 1, 0, |
| 492 | lm4857_get_reg, lm4857_set_reg), |
| 493 | SOC_SINGLE_EXT("Amp HP 3d Playback Switch", LM4857_RVOL, 5, 1, 0, |
| 494 | lm4857_get_reg, lm4857_set_reg), |
| 495 | SOC_SINGLE_EXT("Amp Fast Wakeup Playback Switch", LM4857_CTRL, 5, 1, 0, |
| 496 | lm4857_get_reg, lm4857_set_reg), |
| 497 | SOC_SINGLE_EXT("Amp Earpiece 6dB Playback Switch", LM4857_CTRL, 4, 1, 0, |
| 498 | lm4857_get_reg, lm4857_set_reg), |
| 499 | }; |
| 500 | |
| 501 | /* |
| 502 | * This is an example machine initialisation for a wm8753 connected to a |
| 503 | * neo1973 II. It is missing logic to detect hp/mic insertions and logic |
| 504 | * to re-route the audio in such an event. |
| 505 | */ |
| 506 | static int neo1973_wm8753_init(struct snd_soc_codec *codec) |
| 507 | { |
| 508 | int i, err; |
| 509 | |
Tim Niemeyer | 1894c59 | 2008-05-05 14:16:12 +0200 | [diff] [blame] | 510 | DBG("Entered %s\n", __func__); |
| 511 | |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 512 | /* set up NC codec pins */ |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 513 | snd_soc_dapm_disable_pin(codec, "LOUT2"); |
| 514 | snd_soc_dapm_disable_pin(codec, "ROUT2"); |
| 515 | snd_soc_dapm_disable_pin(codec, "OUT3"); |
| 516 | snd_soc_dapm_disable_pin(codec, "OUT4"); |
| 517 | snd_soc_dapm_disable_pin(codec, "LINE1"); |
| 518 | snd_soc_dapm_disable_pin(codec, "LINE2"); |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 519 | |
| 520 | |
| 521 | /* set endpoints to default mode */ |
| 522 | set_scenario_endpoints(codec, NEO_AUDIO_OFF); |
| 523 | |
| 524 | /* Add neo1973 specific widgets */ |
Mark Brown | 8f3112d | 2008-05-13 14:58:03 +0200 | [diff] [blame] | 525 | snd_soc_dapm_new_controls(codec, wm8753_dapm_widgets, |
| 526 | ARRAY_SIZE(wm8753_dapm_widgets)); |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 527 | |
| 528 | /* add neo1973 specific controls */ |
| 529 | for (i = 0; i < ARRAY_SIZE(wm8753_neo1973_controls); i++) { |
| 530 | err = snd_ctl_add(codec->card, |
| 531 | snd_soc_cnew(&wm8753_neo1973_controls[i], |
| 532 | codec, NULL)); |
| 533 | if (err < 0) |
| 534 | return err; |
| 535 | } |
| 536 | |
Mark Brown | 8f3112d | 2008-05-13 14:58:03 +0200 | [diff] [blame] | 537 | /* set up neo1973 specific audio routes */ |
| 538 | err = snd_soc_dapm_add_routes(codec, dapm_routes, |
| 539 | ARRAY_SIZE(dapm_routes)); |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 540 | |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 541 | snd_soc_dapm_sync(codec); |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 542 | return 0; |
| 543 | } |
| 544 | |
| 545 | /* |
| 546 | * BT Codec DAI |
| 547 | */ |
Liam Girdwood | 1992a6f | 2008-07-07 16:08:24 +0100 | [diff] [blame] | 548 | static struct snd_soc_dai bt_dai = { |
Graeme Gregory | 8ba02ac | 2008-04-30 20:24:54 +0200 | [diff] [blame] | 549 | .name = "Bluetooth", |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 550 | .id = 0, |
| 551 | .type = SND_SOC_DAI_PCM, |
| 552 | .playback = { |
| 553 | .channels_min = 1, |
| 554 | .channels_max = 1, |
| 555 | .rates = SNDRV_PCM_RATE_8000, |
| 556 | .formats = SNDRV_PCM_FMTBIT_S16_LE,}, |
| 557 | .capture = { |
| 558 | .channels_min = 1, |
| 559 | .channels_max = 1, |
| 560 | .rates = SNDRV_PCM_RATE_8000, |
| 561 | .formats = SNDRV_PCM_FMTBIT_S16_LE,}, |
| 562 | }; |
| 563 | |
| 564 | static struct snd_soc_dai_link neo1973_dai[] = { |
| 565 | { /* Hifi Playback - for similatious use with voice below */ |
| 566 | .name = "WM8753", |
| 567 | .stream_name = "WM8753 HiFi", |
| 568 | .cpu_dai = &s3c24xx_i2s_dai, |
| 569 | .codec_dai = &wm8753_dai[WM8753_DAI_HIFI], |
| 570 | .init = neo1973_wm8753_init, |
| 571 | .ops = &neo1973_hifi_ops, |
| 572 | }, |
| 573 | { /* Voice via BT */ |
| 574 | .name = "Bluetooth", |
| 575 | .stream_name = "Voice", |
| 576 | .cpu_dai = &bt_dai, |
| 577 | .codec_dai = &wm8753_dai[WM8753_DAI_VOICE], |
| 578 | .ops = &neo1973_voice_ops, |
| 579 | }, |
| 580 | }; |
| 581 | |
| 582 | static struct snd_soc_machine neo1973 = { |
| 583 | .name = "neo1973", |
| 584 | .dai_link = neo1973_dai, |
| 585 | .num_links = ARRAY_SIZE(neo1973_dai), |
| 586 | }; |
| 587 | |
| 588 | static struct wm8753_setup_data neo1973_wm8753_setup = { |
| 589 | .i2c_address = 0x1a, |
| 590 | }; |
| 591 | |
| 592 | static struct snd_soc_device neo1973_snd_devdata = { |
| 593 | .machine = &neo1973, |
| 594 | .platform = &s3c24xx_soc_platform, |
| 595 | .codec_dev = &soc_codec_dev_wm8753, |
| 596 | .codec_data = &neo1973_wm8753_setup, |
| 597 | }; |
| 598 | |
| 599 | static struct i2c_client client_template; |
| 600 | |
Jean Delvare | 2cdddeb | 2008-01-27 18:14:47 +0100 | [diff] [blame] | 601 | static const unsigned short normal_i2c[] = { 0x7C, I2C_CLIENT_END }; |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 602 | |
| 603 | /* Magic definition of all other variables and things */ |
| 604 | I2C_CLIENT_INSMOD; |
| 605 | |
| 606 | static int lm4857_amp_probe(struct i2c_adapter *adap, int addr, int kind) |
| 607 | { |
| 608 | int ret; |
| 609 | |
Tim Niemeyer | 1894c59 | 2008-05-05 14:16:12 +0200 | [diff] [blame] | 610 | DBG("Entered %s\n", __func__); |
| 611 | |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 612 | client_template.adapter = adap; |
| 613 | client_template.addr = addr; |
| 614 | |
| 615 | i2c = kmemdup(&client_template, sizeof(client_template), GFP_KERNEL); |
| 616 | if (i2c == NULL) |
| 617 | return -ENOMEM; |
| 618 | |
| 619 | ret = i2c_attach_client(i2c); |
| 620 | if (ret < 0) { |
| 621 | printk(KERN_ERR "LM4857 failed to attach at addr %x\n", addr); |
| 622 | goto exit_err; |
| 623 | } |
| 624 | |
| 625 | lm4857_write_regs(); |
| 626 | return ret; |
| 627 | |
| 628 | exit_err: |
| 629 | kfree(i2c); |
| 630 | return ret; |
| 631 | } |
| 632 | |
| 633 | static int lm4857_i2c_detach(struct i2c_client *client) |
| 634 | { |
Tim Niemeyer | 1894c59 | 2008-05-05 14:16:12 +0200 | [diff] [blame] | 635 | DBG("Entered %s\n", __func__); |
| 636 | |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 637 | i2c_detach_client(client); |
| 638 | kfree(client); |
| 639 | return 0; |
| 640 | } |
| 641 | |
| 642 | static int lm4857_i2c_attach(struct i2c_adapter *adap) |
| 643 | { |
Tim Niemeyer | 1894c59 | 2008-05-05 14:16:12 +0200 | [diff] [blame] | 644 | DBG("Entered %s\n", __func__); |
| 645 | |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 646 | return i2c_probe(adap, &addr_data, lm4857_amp_probe); |
| 647 | } |
| 648 | |
Graeme Gregory | fd403dc | 2008-04-30 20:26:45 +0200 | [diff] [blame] | 649 | static u8 lm4857_state; |
| 650 | |
| 651 | static int lm4857_suspend(struct i2c_client *dev, pm_message_t state) |
| 652 | { |
Tim Niemeyer | 1894c59 | 2008-05-05 14:16:12 +0200 | [diff] [blame] | 653 | DBG("Entered %s\n", __func__); |
| 654 | |
Graeme Gregory | fd403dc | 2008-04-30 20:26:45 +0200 | [diff] [blame] | 655 | dev_dbg(&dev->dev, "lm4857_suspend\n"); |
| 656 | lm4857_state = lm4857_regs[LM4857_CTRL] & 0xf; |
| 657 | if (lm4857_state) { |
| 658 | lm4857_regs[LM4857_CTRL] &= 0xf0; |
| 659 | lm4857_write_regs(); |
| 660 | } |
| 661 | return 0; |
| 662 | } |
| 663 | |
| 664 | static int lm4857_resume(struct i2c_client *dev) |
| 665 | { |
Tim Niemeyer | 1894c59 | 2008-05-05 14:16:12 +0200 | [diff] [blame] | 666 | DBG("Entered %s\n", __func__); |
| 667 | |
Graeme Gregory | fd403dc | 2008-04-30 20:26:45 +0200 | [diff] [blame] | 668 | if (lm4857_state) { |
| 669 | lm4857_regs[LM4857_CTRL] |= (lm4857_state & 0x0f); |
| 670 | lm4857_write_regs(); |
| 671 | } |
| 672 | return 0; |
| 673 | } |
| 674 | |
| 675 | static void lm4857_shutdown(struct i2c_client *dev) |
| 676 | { |
Tim Niemeyer | 1894c59 | 2008-05-05 14:16:12 +0200 | [diff] [blame] | 677 | DBG("Entered %s\n", __func__); |
| 678 | |
Graeme Gregory | fd403dc | 2008-04-30 20:26:45 +0200 | [diff] [blame] | 679 | dev_dbg(&dev->dev, "lm4857_shutdown\n"); |
| 680 | lm4857_regs[LM4857_CTRL] &= 0xf0; |
| 681 | lm4857_write_regs(); |
| 682 | } |
| 683 | |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 684 | /* corgi i2c codec control layer */ |
| 685 | static struct i2c_driver lm4857_i2c_driver = { |
| 686 | .driver = { |
| 687 | .name = "LM4857 I2C Amp", |
| 688 | .owner = THIS_MODULE, |
| 689 | }, |
| 690 | .id = I2C_DRIVERID_LM4857, |
Graeme Gregory | fd403dc | 2008-04-30 20:26:45 +0200 | [diff] [blame] | 691 | .suspend = lm4857_suspend, |
| 692 | .resume = lm4857_resume, |
| 693 | .shutdown = lm4857_shutdown, |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 694 | .attach_adapter = lm4857_i2c_attach, |
| 695 | .detach_client = lm4857_i2c_detach, |
| 696 | .command = NULL, |
| 697 | }; |
| 698 | |
| 699 | static struct i2c_client client_template = { |
| 700 | .name = "LM4857", |
| 701 | .driver = &lm4857_i2c_driver, |
| 702 | }; |
| 703 | |
| 704 | static struct platform_device *neo1973_snd_device; |
| 705 | |
| 706 | static int __init neo1973_init(void) |
| 707 | { |
| 708 | int ret; |
| 709 | |
Tim Niemeyer | 1894c59 | 2008-05-05 14:16:12 +0200 | [diff] [blame] | 710 | DBG("Entered %s\n", __func__); |
| 711 | |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 712 | neo1973_snd_device = platform_device_alloc("soc-audio", -1); |
| 713 | if (!neo1973_snd_device) |
| 714 | return -ENOMEM; |
| 715 | |
| 716 | platform_set_drvdata(neo1973_snd_device, &neo1973_snd_devdata); |
| 717 | neo1973_snd_devdata.dev = &neo1973_snd_device->dev; |
| 718 | ret = platform_device_add(neo1973_snd_device); |
| 719 | |
| 720 | if (ret) |
| 721 | platform_device_put(neo1973_snd_device); |
| 722 | |
| 723 | ret = i2c_add_driver(&lm4857_i2c_driver); |
| 724 | if (ret != 0) |
| 725 | printk(KERN_ERR "can't add i2c driver"); |
| 726 | |
| 727 | return ret; |
| 728 | } |
| 729 | |
| 730 | static void __exit neo1973_exit(void) |
| 731 | { |
Tim Niemeyer | 1894c59 | 2008-05-05 14:16:12 +0200 | [diff] [blame] | 732 | DBG("Entered %s\n", __func__); |
| 733 | |
Tim Niemeyer | 6b9a9b3 | 2008-04-22 17:10:23 +0200 | [diff] [blame] | 734 | i2c_del_driver(&lm4857_i2c_driver); |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 735 | platform_device_unregister(neo1973_snd_device); |
| 736 | } |
| 737 | |
| 738 | module_init(neo1973_init); |
| 739 | module_exit(neo1973_exit); |
| 740 | |
| 741 | /* Module information */ |
Graeme Gregory | 443590e | 2008-04-30 20:25:23 +0200 | [diff] [blame] | 742 | MODULE_AUTHOR("Graeme Gregory, graeme@openmoko.org, www.openmoko.org"); |
Graeme Gregory | 74930bb | 2007-05-14 11:03:52 +0200 | [diff] [blame] | 743 | MODULE_DESCRIPTION("ALSA SoC WM8753 Neo1973"); |
| 744 | MODULE_LICENSE("GPL"); |