| 1 | /* |
| 2 | * e800-wm9712.c -- SoC audio for e800 |
| 3 | * |
| 4 | * Copyright 2007 (c) Ian Molton <spyro@f2s.com> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify it |
| 7 | * under the terms of the GNU General Public License as published by the |
| 8 | * Free Software Foundation; version 2 ONLY. |
| 9 | * |
| 10 | */ |
| 11 | |
| 12 | #include <linux/module.h> |
| 13 | #include <linux/moduleparam.h> |
| 14 | #include <linux/gpio.h> |
| 15 | |
| 16 | #include <sound/core.h> |
| 17 | #include <sound/pcm.h> |
| 18 | #include <sound/soc.h> |
| 19 | |
| 20 | #include <asm/mach-types.h> |
| 21 | #include <mach/audio.h> |
| 22 | #include <mach/eseries-gpio.h> |
| 23 | |
| 24 | #include "../codecs/wm9712.h" |
| 25 | #include "pxa2xx-ac97.h" |
| 26 | |
| 27 | static int e800_spk_amp_event(struct snd_soc_dapm_widget *w, |
| 28 | struct snd_kcontrol *kcontrol, int event) |
| 29 | { |
| 30 | if (event & SND_SOC_DAPM_PRE_PMU) |
| 31 | gpio_set_value(GPIO_E800_SPK_AMP_ON, 1); |
| 32 | else if (event & SND_SOC_DAPM_POST_PMD) |
| 33 | gpio_set_value(GPIO_E800_SPK_AMP_ON, 0); |
| 34 | |
| 35 | return 0; |
| 36 | } |
| 37 | |
| 38 | static int e800_hp_amp_event(struct snd_soc_dapm_widget *w, |
| 39 | struct snd_kcontrol *kcontrol, int event) |
| 40 | { |
| 41 | if (event & SND_SOC_DAPM_PRE_PMU) |
| 42 | gpio_set_value(GPIO_E800_HP_AMP_OFF, 0); |
| 43 | else if (event & SND_SOC_DAPM_POST_PMD) |
| 44 | gpio_set_value(GPIO_E800_HP_AMP_OFF, 1); |
| 45 | |
| 46 | return 0; |
| 47 | } |
| 48 | |
| 49 | static const struct snd_soc_dapm_widget e800_dapm_widgets[] = { |
| 50 | SND_SOC_DAPM_HP("Headphone Jack", NULL), |
| 51 | SND_SOC_DAPM_MIC("Mic (Internal1)", NULL), |
| 52 | SND_SOC_DAPM_MIC("Mic (Internal2)", NULL), |
| 53 | SND_SOC_DAPM_SPK("Speaker", NULL), |
| 54 | SND_SOC_DAPM_PGA_E("Headphone Amp", SND_SOC_NOPM, 0, 0, NULL, 0, |
| 55 | e800_hp_amp_event, SND_SOC_DAPM_PRE_PMU | |
| 56 | SND_SOC_DAPM_POST_PMD), |
| 57 | SND_SOC_DAPM_PGA_E("Speaker Amp", SND_SOC_NOPM, 0, 0, NULL, 0, |
| 58 | e800_spk_amp_event, SND_SOC_DAPM_PRE_PMU | |
| 59 | SND_SOC_DAPM_POST_PMD), |
| 60 | }; |
| 61 | |
| 62 | static const struct snd_soc_dapm_route audio_map[] = { |
| 63 | {"Headphone Jack", NULL, "HPOUTL"}, |
| 64 | {"Headphone Jack", NULL, "HPOUTR"}, |
| 65 | {"Headphone Jack", NULL, "Headphone Amp"}, |
| 66 | |
| 67 | {"Speaker Amp", NULL, "MONOOUT"}, |
| 68 | {"Speaker", NULL, "Speaker Amp"}, |
| 69 | |
| 70 | {"MIC1", NULL, "Mic (Internal1)"}, |
| 71 | {"MIC2", NULL, "Mic (Internal2)"}, |
| 72 | }; |
| 73 | |
| 74 | static struct snd_soc_dai_link e800_dai[] = { |
| 75 | { |
| 76 | .name = "AC97", |
| 77 | .stream_name = "AC97 HiFi", |
| 78 | .cpu_dai_name = "pxa2xx-ac97", |
| 79 | .codec_dai_name = "wm9712-hifi", |
| 80 | .platform_name = "pxa-pcm-audio", |
| 81 | .codec_name = "wm9712-codec", |
| 82 | }, |
| 83 | { |
| 84 | .name = "AC97 Aux", |
| 85 | .stream_name = "AC97 Aux", |
| 86 | .cpu_dai_name = "pxa2xx-ac97-aux", |
| 87 | .codec_dai_name ="wm9712-aux", |
| 88 | .platform_name = "pxa-pcm-audio", |
| 89 | .codec_name = "wm9712-codec", |
| 90 | }, |
| 91 | }; |
| 92 | |
| 93 | static struct snd_soc_card e800 = { |
| 94 | .name = "Toshiba e800", |
| 95 | .owner = THIS_MODULE, |
| 96 | .dai_link = e800_dai, |
| 97 | .num_links = ARRAY_SIZE(e800_dai), |
| 98 | |
| 99 | .dapm_widgets = e800_dapm_widgets, |
| 100 | .num_dapm_widgets = ARRAY_SIZE(e800_dapm_widgets), |
| 101 | .dapm_routes = audio_map, |
| 102 | .num_dapm_routes = ARRAY_SIZE(audio_map), |
| 103 | }; |
| 104 | |
| 105 | static struct gpio e800_audio_gpios[] = { |
| 106 | { GPIO_E800_SPK_AMP_ON, GPIOF_OUT_INIT_HIGH, "Headphone amp" }, |
| 107 | { GPIO_E800_HP_AMP_OFF, GPIOF_OUT_INIT_HIGH, "Speaker amp" }, |
| 108 | }; |
| 109 | |
| 110 | static int e800_probe(struct platform_device *pdev) |
| 111 | { |
| 112 | struct snd_soc_card *card = &e800; |
| 113 | int ret; |
| 114 | |
| 115 | ret = gpio_request_array(e800_audio_gpios, |
| 116 | ARRAY_SIZE(e800_audio_gpios)); |
| 117 | if (ret) |
| 118 | return ret; |
| 119 | |
| 120 | card->dev = &pdev->dev; |
| 121 | |
| 122 | ret = devm_snd_soc_register_card(&pdev->dev, card); |
| 123 | if (ret) { |
| 124 | dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", |
| 125 | ret); |
| 126 | gpio_free_array(e800_audio_gpios, ARRAY_SIZE(e800_audio_gpios)); |
| 127 | } |
| 128 | return ret; |
| 129 | } |
| 130 | |
| 131 | static int e800_remove(struct platform_device *pdev) |
| 132 | { |
| 133 | gpio_free_array(e800_audio_gpios, ARRAY_SIZE(e800_audio_gpios)); |
| 134 | return 0; |
| 135 | } |
| 136 | |
| 137 | static struct platform_driver e800_driver = { |
| 138 | .driver = { |
| 139 | .name = "e800-audio", |
| 140 | .pm = &snd_soc_pm_ops, |
| 141 | }, |
| 142 | .probe = e800_probe, |
| 143 | .remove = e800_remove, |
| 144 | }; |
| 145 | |
| 146 | module_platform_driver(e800_driver); |
| 147 | |
| 148 | /* Module information */ |
| 149 | MODULE_AUTHOR("Ian Molton <spyro@f2s.com>"); |
| 150 | MODULE_DESCRIPTION("ALSA SoC driver for e800"); |
| 151 | MODULE_LICENSE("GPL v2"); |
| 152 | MODULE_ALIAS("platform:e800-audio"); |