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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 | /* * 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 <sound/soc-dapm.h> #include <asm/mach-types.h> #include <mach/audio.h> #include <mach/eseries-gpio.h> #include "../codecs/wm9712.h" #include "pxa2xx-pcm.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_codec *codec) { snd_soc_dapm_new_controls(codec, e800_dapm_widgets, ARRAY_SIZE(e800_dapm_widgets)); snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map)); snd_soc_dapm_sync(codec); return 0; } static struct snd_soc_dai_link e800_dai[] = { { .name = "AC97", .stream_name = "AC97 HiFi", .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_HIFI], .codec_dai = &wm9712_dai[WM9712_DAI_AC97_HIFI], .init = e800_ac97_init, }, { .name = "AC97 Aux", .stream_name = "AC97 Aux", .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_AUX], .codec_dai = &wm9712_dai[WM9712_DAI_AC97_AUX], }, }; static struct snd_soc_card e800 = { .name = "Toshiba e800", .platform = &pxa2xx_soc_platform, .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, }; static struct platform_device *e800_snd_device; static int __init e800_init(void) { int ret; if (!machine_is_e800()) return -ENODEV; ret = gpio_request(GPIO_E800_HP_AMP_OFF, "Headphone amp"); if (ret) return ret; ret = gpio_request(GPIO_E800_SPK_AMP_ON, "Speaker amp"); if (ret) goto free_hp_amp_gpio; ret = gpio_direction_output(GPIO_E800_HP_AMP_OFF, 1); if (ret) goto free_spk_amp_gpio; ret = gpio_direction_output(GPIO_E800_SPK_AMP_ON, 1); if (ret) goto free_spk_amp_gpio; 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); if (!ret) return 0; /* Fail gracefully */ platform_device_put(e800_snd_device); free_spk_amp_gpio: gpio_free(GPIO_E800_SPK_AMP_ON); free_hp_amp_gpio: gpio_free(GPIO_E800_HP_AMP_OFF); return ret; } static void __exit e800_exit(void) { platform_device_unregister(e800_snd_device); gpio_free(GPIO_E800_SPK_AMP_ON); gpio_free(GPIO_E800_HP_AMP_OFF); } module_init(e800_init); module_exit(e800_exit); /* Module information */ MODULE_AUTHOR("Ian Molton <spyro@f2s.com>"); MODULE_DESCRIPTION("ALSA SoC driver for e800"); MODULE_LICENSE("GPL v2"); |