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| 1 /* | 1 /* |
| 2 * poodle.c -- SoC audio for Poodle | 2 * poodle.c -- SoC audio for Poodle |
| 3 * | 3 * |
| 4 * Copyright 2005 Wolfson Microelectronics PLC. | 4 * Copyright 2005 Wolfson Microelectronics PLC. |
| 5 * Copyright 2005 Openedhand Ltd. | 5 * Copyright 2005 Openedhand Ltd. |
| 6 * | 6 * |
| 7 * Authors: Liam Girdwood <lrg@slimlogic.co.uk> | 7 * Authors: Liam Girdwood <lrg@slimlogic.co.uk> |
| 8 * Richard Purdie <richard@openedhand.com> | 8 * Richard Purdie <richard@openedhand.com> |
| 9 * | 9 * |
| 10 * This program is free software; you can redistribute it and/or modify it | 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 | 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 | 12 * Free Software Foundation; either version 2 of the License, or (at your |
| 13 * option) any later version. | 13 * option) any later version. |
| 14 * | 14 * |
| 15 */ | 15 */ |
| 16 | 16 |
| 17 #include <linux/module.h> | 17 #include <linux/module.h> |
| 18 #include <linux/moduleparam.h> | 18 #include <linux/moduleparam.h> |
| 19 #include <linux/timer.h> | 19 #include <linux/timer.h> |
| 20 #include <linux/i2c.h> | 20 #include <linux/i2c.h> |
| 21 #include <linux/interrupt.h> | 21 #include <linux/interrupt.h> |
| 22 #include <linux/platform_device.h> | 22 #include <linux/platform_device.h> |
| 23 #include <sound/core.h> | 23 #include <sound/core.h> |
| 24 #include <sound/pcm.h> | 24 #include <sound/pcm.h> |
| 25 #include <sound/soc.h> | 25 #include <sound/soc.h> |
| 26 #include <sound/soc-dapm.h> | |
| 27 | 26 |
| 28 #include <asm/mach-types.h> | 27 #include <asm/mach-types.h> |
| 29 #include <asm/hardware/locomo.h> | 28 #include <asm/hardware/locomo.h> |
| 30 #include <mach/poodle.h> | 29 #include <mach/poodle.h> |
| 31 #include <mach/audio.h> | 30 #include <mach/audio.h> |
| 32 | 31 |
| 33 #include "../codecs/wm8731.h" | 32 #include "../codecs/wm8731.h" |
| 34 #include "pxa2xx-i2s.h" | 33 #include "pxa2xx-i2s.h" |
| 35 | 34 |
| 36 #define POODLE_HP 1 | 35 #define POODLE_HP 1 |
| 37 #define POODLE_HP_OFF 0 | 36 #define POODLE_HP_OFF 0 |
| 38 #define POODLE_SPK_ON 1 | 37 #define POODLE_SPK_ON 1 |
| 39 #define POODLE_SPK_OFF 0 | 38 #define POODLE_SPK_OFF 0 |
| 40 | 39 |
| 41 /* audio clock in Hz - rounded from 12.235MHz */ | 40 /* audio clock in Hz - rounded from 12.235MHz */ |
| 42 #define POODLE_AUDIO_CLOCK 12288000 | 41 #define POODLE_AUDIO_CLOCK 12288000 |
| 43 | 42 |
| 44 static int poodle_jack_func; | 43 static int poodle_jack_func; |
| 45 static int poodle_spk_func; | 44 static int poodle_spk_func; |
| 46 | 45 |
| 47 static void poodle_ext_control(struct snd_soc_codec *codec) | 46 static void poodle_ext_control(struct snd_soc_codec *codec) |
| 48 { | 47 { |
| 48 struct snd_soc_dapm_context *dapm = &codec->dapm; |
| 49 |
| 49 /* set up jack connection */ | 50 /* set up jack connection */ |
| 50 if (poodle_jack_func == POODLE_HP) { | 51 if (poodle_jack_func == POODLE_HP) { |
| 51 /* set = unmute headphone */ | 52 /* set = unmute headphone */ |
| 52 locomo_gpio_write(&poodle_locomo_device.dev, | 53 locomo_gpio_write(&poodle_locomo_device.dev, |
| 53 POODLE_LOCOMO_GPIO_MUTE_L, 1); | 54 POODLE_LOCOMO_GPIO_MUTE_L, 1); |
| 54 locomo_gpio_write(&poodle_locomo_device.dev, | 55 locomo_gpio_write(&poodle_locomo_device.dev, |
| 55 POODLE_LOCOMO_GPIO_MUTE_R, 1); | 56 POODLE_LOCOMO_GPIO_MUTE_R, 1); |
| 56 » » snd_soc_dapm_enable_pin(codec, "Headphone Jack"); | 57 » » snd_soc_dapm_enable_pin(dapm, "Headphone Jack"); |
| 57 } else { | 58 } else { |
| 58 locomo_gpio_write(&poodle_locomo_device.dev, | 59 locomo_gpio_write(&poodle_locomo_device.dev, |
| 59 POODLE_LOCOMO_GPIO_MUTE_L, 0); | 60 POODLE_LOCOMO_GPIO_MUTE_L, 0); |
| 60 locomo_gpio_write(&poodle_locomo_device.dev, | 61 locomo_gpio_write(&poodle_locomo_device.dev, |
| 61 POODLE_LOCOMO_GPIO_MUTE_R, 0); | 62 POODLE_LOCOMO_GPIO_MUTE_R, 0); |
| 62 » » snd_soc_dapm_disable_pin(codec, "Headphone Jack"); | 63 » » snd_soc_dapm_disable_pin(dapm, "Headphone Jack"); |
| 63 } | 64 } |
| 64 | 65 |
| 65 /* set the enpoints to their new connetion states */ | 66 /* set the enpoints to their new connetion states */ |
| 66 if (poodle_spk_func == POODLE_SPK_ON) | 67 if (poodle_spk_func == POODLE_SPK_ON) |
| 67 » » snd_soc_dapm_enable_pin(codec, "Ext Spk"); | 68 » » snd_soc_dapm_enable_pin(dapm, "Ext Spk"); |
| 68 else | 69 else |
| 69 » » snd_soc_dapm_disable_pin(codec, "Ext Spk"); | 70 » » snd_soc_dapm_disable_pin(dapm, "Ext Spk"); |
| 70 | 71 |
| 71 /* signal a DAPM event */ | 72 /* signal a DAPM event */ |
| 72 » snd_soc_dapm_sync(codec); | 73 » snd_soc_dapm_sync(dapm); |
| 73 } | 74 } |
| 74 | 75 |
| 75 static int poodle_startup(struct snd_pcm_substream *substream) | 76 static int poodle_startup(struct snd_pcm_substream *substream) |
| 76 { | 77 { |
| 77 struct snd_soc_pcm_runtime *rtd = substream->private_data; | 78 struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| 78 struct snd_soc_codec *codec = rtd->codec; | 79 struct snd_soc_codec *codec = rtd->codec; |
| 79 | 80 |
| 80 mutex_lock(&codec->mutex); | 81 mutex_lock(&codec->mutex); |
| 81 | 82 |
| 82 /* check the jack status at stream startup */ | 83 /* check the jack status at stream startup */ |
| (...skipping 154 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 237 SOC_ENUM_EXT("Speaker Function", poodle_enum[1], poodle_get_spk, | 238 SOC_ENUM_EXT("Speaker Function", poodle_enum[1], poodle_get_spk, |
| 238 poodle_set_spk), | 239 poodle_set_spk), |
| 239 }; | 240 }; |
| 240 | 241 |
| 241 /* | 242 /* |
| 242 * Logic for a wm8731 as connected on a Sharp SL-C7x0 Device | 243 * Logic for a wm8731 as connected on a Sharp SL-C7x0 Device |
| 243 */ | 244 */ |
| 244 static int poodle_wm8731_init(struct snd_soc_pcm_runtime *rtd) | 245 static int poodle_wm8731_init(struct snd_soc_pcm_runtime *rtd) |
| 245 { | 246 { |
| 246 struct snd_soc_codec *codec = rtd->codec; | 247 struct snd_soc_codec *codec = rtd->codec; |
| 248 struct snd_soc_dapm_context *dapm = &codec->dapm; |
| 247 int err; | 249 int err; |
| 248 | 250 |
| 249 » snd_soc_dapm_nc_pin(codec, "LLINEIN"); | 251 » snd_soc_dapm_nc_pin(dapm, "LLINEIN"); |
| 250 » snd_soc_dapm_nc_pin(codec, "RLINEIN"); | 252 » snd_soc_dapm_nc_pin(dapm, "RLINEIN"); |
| 251 » snd_soc_dapm_enable_pin(codec, "MICIN"); | 253 » snd_soc_dapm_enable_pin(dapm, "MICIN"); |
| 252 | 254 |
| 253 /* Add poodle specific controls */ | 255 /* Add poodle specific controls */ |
| 254 err = snd_soc_add_controls(codec, wm8731_poodle_controls, | 256 err = snd_soc_add_controls(codec, wm8731_poodle_controls, |
| 255 ARRAY_SIZE(wm8731_poodle_controls)); | 257 ARRAY_SIZE(wm8731_poodle_controls)); |
| 256 if (err < 0) | 258 if (err < 0) |
| 257 return err; | 259 return err; |
| 258 | 260 |
| 259 /* Add poodle specific widgets */ | 261 /* Add poodle specific widgets */ |
| 260 » snd_soc_dapm_new_controls(codec, wm8731_dapm_widgets, | 262 » snd_soc_dapm_new_controls(dapm, wm8731_dapm_widgets, |
| 261 ARRAY_SIZE(wm8731_dapm_widgets)); | 263 ARRAY_SIZE(wm8731_dapm_widgets)); |
| 262 | 264 |
| 263 /* Set up poodle specific audio path audio_map */ | 265 /* Set up poodle specific audio path audio_map */ |
| 264 » snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map)); | 266 » snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map)); |
| 265 | 267 |
| 266 » snd_soc_dapm_sync(codec); | 268 » snd_soc_dapm_sync(dapm); |
| 267 return 0; | 269 return 0; |
| 268 } | 270 } |
| 269 | 271 |
| 270 /* poodle digital audio interface glue - connects codec <--> CPU */ | 272 /* poodle digital audio interface glue - connects codec <--> CPU */ |
| 271 static struct snd_soc_dai_link poodle_dai = { | 273 static struct snd_soc_dai_link poodle_dai = { |
| 272 .name = "WM8731", | 274 .name = "WM8731", |
| 273 .stream_name = "WM8731", | 275 .stream_name = "WM8731", |
| 274 .cpu_dai_name = "pxa2xx-i2s", | 276 .cpu_dai_name = "pxa2xx-i2s", |
| 275 .codec_dai_name = "wm8731-hifi", | 277 .codec_dai_name = "wm8731-hifi", |
| 276 .platform_name = "pxa-pcm-audio", | 278 .platform_name = "pxa-pcm-audio", |
| 277 » .codec_name = "wm8731-codec.0-001a", | 279 » .codec_name = "wm8731-codec.0-001b", |
| 278 .init = poodle_wm8731_init, | 280 .init = poodle_wm8731_init, |
| 279 .ops = &poodle_ops, | 281 .ops = &poodle_ops, |
| 280 }; | 282 }; |
| 281 | 283 |
| 282 /* poodle audio machine driver */ | 284 /* poodle audio machine driver */ |
| 283 static struct snd_soc_card snd_soc_poodle = { | 285 static struct snd_soc_card snd_soc_poodle = { |
| 284 .name = "Poodle", | 286 .name = "Poodle", |
| 285 .dai_link = &poodle_dai, | 287 .dai_link = &poodle_dai, |
| 286 .num_links = 1, | 288 .num_links = 1, |
| 287 .owner = THIS_MODULE, | 289 .owner = THIS_MODULE, |
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| 322 platform_device_unregister(poodle_snd_device); | 324 platform_device_unregister(poodle_snd_device); |
| 323 } | 325 } |
| 324 | 326 |
| 325 module_init(poodle_init); | 327 module_init(poodle_init); |
| 326 module_exit(poodle_exit); | 328 module_exit(poodle_exit); |
| 327 | 329 |
| 328 /* Module information */ | 330 /* Module information */ |
| 329 MODULE_AUTHOR("Richard Purdie"); | 331 MODULE_AUTHOR("Richard Purdie"); |
| 330 MODULE_DESCRIPTION("ALSA SoC Poodle"); | 332 MODULE_DESCRIPTION("ALSA SoC Poodle"); |
| 331 MODULE_LICENSE("GPL"); | 333 MODULE_LICENSE("GPL"); |
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