Loading...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 | /* * e800-wm9712.c -- SoC audio for e800 * * Copyright 2007 (c) Ian Molton <spyro@f2s.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; version 2 ONLY. * */ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/gpio.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/soc.h> #include <asm/mach-types.h> #include <mach/audio.h> #include <mach/eseries-gpio.h> #include "../codecs/wm9712.h" #include "pxa2xx-ac97.h" 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); return 0; } static int e800_hp_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_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 int e800_ac97_init(struct snd_soc_pcm_runtime *rtd) { struct snd_soc_codec *codec = rtd->codec; struct snd_soc_dapm_context *dapm = &codec->dapm; snd_soc_dapm_new_controls(dapm, e800_dapm_widgets, ARRAY_SIZE(e800_dapm_widgets)); snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map)); return 0; } 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", .init = e800_ac97_init, }, { .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", .owner = THIS_MODULE, .dai_link = e800_dai, .num_links = ARRAY_SIZE(e800_dai), }; 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 __devinit e800_probe(struct platform_device *pdev) { struct snd_soc_card *card = &e800; int ret; ret = gpio_request_array(e800_audio_gpios, ARRAY_SIZE(e800_audio_gpios)); if (ret) 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 int __devexit e800_remove(struct platform_device *pdev) { 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; } static struct platform_driver e800_driver = { .driver = { .name = "e800-audio", .owner = THIS_MODULE, }, .probe = e800_probe, .remove = __devexit_p(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 v2"); MODULE_ALIAS("platform:e800-audio"); |