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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 | // SPDX-License-Identifier: GPL-2.0-only /* * e800-wm9712.c -- SoC audio for e800 * * Copyright 2007 (c) Ian Molton <spyro@f2s.com> */ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/gpio/consumer.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/soc.h> #include <asm/mach-types.h> #include <linux/platform_data/asoc-pxa.h> static struct gpio_desc *gpiod_spk_amp, *gpiod_hp_amp; 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) gpiod_set_value(gpiod_spk_amp, 1); else if (event & SND_SOC_DAPM_POST_PMD) gpiod_set_value(gpiod_spk_amp, 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) gpiod_set_value(gpiod_hp_amp, 1); else if (event & SND_SOC_DAPM_POST_PMD) gpiod_set_value(gpiod_hp_amp, 0); 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)"}, }; SND_SOC_DAILINK_DEFS(ac97, DAILINK_COMP_ARRAY(COMP_CPU("pxa2xx-ac97")), DAILINK_COMP_ARRAY(COMP_CODEC("wm9712-codec", "wm9712-hifi")), DAILINK_COMP_ARRAY(COMP_PLATFORM("pxa-pcm-audio"))); SND_SOC_DAILINK_DEFS(ac97_aux, DAILINK_COMP_ARRAY(COMP_CPU("pxa2xx-ac97-aux")), DAILINK_COMP_ARRAY(COMP_CODEC("wm9712-codec", "wm9712-aux")), DAILINK_COMP_ARRAY(COMP_PLATFORM("pxa-pcm-audio"))); static struct snd_soc_dai_link e800_dai[] = { { .name = "AC97", .stream_name = "AC97 HiFi", SND_SOC_DAILINK_REG(ac97), }, { .name = "AC97 Aux", .stream_name = "AC97 Aux", SND_SOC_DAILINK_REG(ac97_aux), }, }; static struct snd_soc_card e800 = { .name = "Toshiba e800", .owner = THIS_MODULE, .dai_link = e800_dai, .num_links = ARRAY_SIZE(e800_dai), .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 int e800_probe(struct platform_device *pdev) { struct snd_soc_card *card = &e800; int ret; gpiod_hp_amp = devm_gpiod_get(&pdev->dev, "Headphone amp", GPIOD_OUT_LOW); ret = PTR_ERR_OR_ZERO(gpiod_hp_amp); if (ret) return ret; gpiod_spk_amp = devm_gpiod_get(&pdev->dev, "Speaker amp", GPIOD_OUT_LOW); ret = PTR_ERR_OR_ZERO(gpiod_spk_amp); if (ret) return ret; card->dev = &pdev->dev; ret = devm_snd_soc_register_card(&pdev->dev, card); if (ret) dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", ret); return ret; } static int e800_remove(struct platform_device *pdev) { return 0; } static struct platform_driver e800_driver = { .driver = { .name = "e800-audio", .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 v2"); MODULE_ALIAS("platform:e800-audio"); |