diff options
Diffstat (limited to 'sound/soc/pxa/e800_wm9712.c')
| -rw-r--r-- | sound/soc/pxa/e800_wm9712.c | 143 |
1 files changed, 105 insertions, 38 deletions
diff --git a/sound/soc/pxa/e800_wm9712.c b/sound/soc/pxa/e800_wm9712.c index 2e3386dfa0f..24c2078ce70 100644 --- a/sound/soc/pxa/e800_wm9712.c +++ b/sound/soc/pxa/e800_wm9712.c @@ -1,8 +1,6 @@ /* * e800-wm9712.c -- SoC audio for e800 * - * Based on tosa.c - * * Copyright 2007 (c) Ian Molton <spyro@f2s.com> * * This program is free software; you can redistribute it and/or modify it @@ -13,77 +11,146 @@ #include <linux/module.h> #include <linux/moduleparam.h> -#include <linux/device.h> +#include <linux/gpio.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/soc.h> -#include <sound/soc-dapm.h> #include <asm/mach-types.h> -#include <mach/pxa-regs.h> -#include <mach/hardware.h> #include <mach/audio.h> +#include <mach/eseries-gpio.h> #include "../codecs/wm9712.h" -#include "pxa2xx-pcm.h" #include "pxa2xx-ac97.h" -static struct snd_soc_card e800; +static int e800_spk_amp_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + if (event & SND_SOC_DAPM_PRE_PMU) + gpio_set_value(GPIO_E800_SPK_AMP_ON, 1); + else if (event & SND_SOC_DAPM_POST_PMD) + gpio_set_value(GPIO_E800_SPK_AMP_ON, 0); -static struct snd_soc_dai_link e800_dai[] = { + return 0; +} + +static int e800_hp_amp_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) { - .name = "AC97 Aux", - .stream_name = "AC97 Aux", - .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_AUX], - .codec_dai = &wm9712_dai[WM9712_DAI_AC97_AUX], -}, + if (event & SND_SOC_DAPM_PRE_PMU) + gpio_set_value(GPIO_E800_HP_AMP_OFF, 0); + else if (event & SND_SOC_DAPM_POST_PMD) + gpio_set_value(GPIO_E800_HP_AMP_OFF, 1); + + return 0; +} + +static const struct snd_soc_dapm_widget e800_dapm_widgets[] = { + SND_SOC_DAPM_HP("Headphone Jack", NULL), + SND_SOC_DAPM_MIC("Mic (Internal1)", NULL), + SND_SOC_DAPM_MIC("Mic (Internal2)", NULL), + SND_SOC_DAPM_SPK("Speaker", NULL), + SND_SOC_DAPM_PGA_E("Headphone Amp", SND_SOC_NOPM, 0, 0, NULL, 0, + e800_hp_amp_event, SND_SOC_DAPM_PRE_PMU | + SND_SOC_DAPM_POST_PMD), + SND_SOC_DAPM_PGA_E("Speaker Amp", SND_SOC_NOPM, 0, 0, NULL, 0, + e800_spk_amp_event, SND_SOC_DAPM_PRE_PMU | + SND_SOC_DAPM_POST_PMD), +}; + +static const struct snd_soc_dapm_route audio_map[] = { + {"Headphone Jack", NULL, "HPOUTL"}, + {"Headphone Jack", NULL, "HPOUTR"}, + {"Headphone Jack", NULL, "Headphone Amp"}, + + {"Speaker Amp", NULL, "MONOOUT"}, + {"Speaker", NULL, "Speaker Amp"}, + + {"MIC1", NULL, "Mic (Internal1)"}, + {"MIC2", NULL, "Mic (Internal2)"}, +}; + +static struct snd_soc_dai_link e800_dai[] = { + { + .name = "AC97", + .stream_name = "AC97 HiFi", + .cpu_dai_name = "pxa2xx-ac97", + .codec_dai_name = "wm9712-hifi", + .platform_name = "pxa-pcm-audio", + .codec_name = "wm9712-codec", + }, + { + .name = "AC97 Aux", + .stream_name = "AC97 Aux", + .cpu_dai_name = "pxa2xx-ac97-aux", + .codec_dai_name ="wm9712-aux", + .platform_name = "pxa-pcm-audio", + .codec_name = "wm9712-codec", + }, }; static struct snd_soc_card e800 = { .name = "Toshiba e800", - .platform = &pxa2xx_soc_platform, + .owner = THIS_MODULE, .dai_link = e800_dai, .num_links = ARRAY_SIZE(e800_dai), -}; -static struct snd_soc_device e800_snd_devdata = { - .card = &e800, - .codec_dev = &soc_codec_dev_wm9712, + .dapm_widgets = e800_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(e800_dapm_widgets), + .dapm_routes = audio_map, + .num_dapm_routes = ARRAY_SIZE(audio_map), }; -static struct platform_device *e800_snd_device; +static struct gpio e800_audio_gpios[] = { + { GPIO_E800_SPK_AMP_ON, GPIOF_OUT_INIT_HIGH, "Headphone amp" }, + { GPIO_E800_HP_AMP_OFF, GPIOF_OUT_INIT_HIGH, "Speaker amp" }, +}; -static int __init e800_init(void) +static int e800_probe(struct platform_device *pdev) { + struct snd_soc_card *card = &e800; int ret; - if (!machine_is_e800()) - return -ENODEV; - - e800_snd_device = platform_device_alloc("soc-audio", -1); - if (!e800_snd_device) - return -ENOMEM; - - platform_set_drvdata(e800_snd_device, &e800_snd_devdata); - e800_snd_devdata.dev = &e800_snd_device->dev; - ret = platform_device_add(e800_snd_device); - + ret = gpio_request_array(e800_audio_gpios, + ARRAY_SIZE(e800_audio_gpios)); if (ret) - platform_device_put(e800_snd_device); + return ret; + + card->dev = &pdev->dev; + ret = snd_soc_register_card(card); + if (ret) { + dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", + ret); + gpio_free_array(e800_audio_gpios, ARRAY_SIZE(e800_audio_gpios)); + } return ret; } -static void __exit e800_exit(void) +static int e800_remove(struct platform_device *pdev) { - platform_device_unregister(e800_snd_device); + struct snd_soc_card *card = platform_get_drvdata(pdev); + + gpio_free_array(e800_audio_gpios, ARRAY_SIZE(e800_audio_gpios)); + snd_soc_unregister_card(card); + return 0; } -module_init(e800_init); -module_exit(e800_exit); +static struct platform_driver e800_driver = { + .driver = { + .name = "e800-audio", + .owner = THIS_MODULE, + .pm = &snd_soc_pm_ops, + }, + .probe = e800_probe, + .remove = e800_remove, +}; + +module_platform_driver(e800_driver); /* Module information */ MODULE_AUTHOR("Ian Molton <spyro@f2s.com>"); MODULE_DESCRIPTION("ALSA SoC driver for e800"); -MODULE_LICENSE("GPL"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:e800-audio"); |
