| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0-only |
| 2 | /* |
| 3 | * e750-wm9705.c -- SoC audio for e750 |
| 4 | * |
| 5 | * Copyright 2007 (c) Ian Molton <spyro@f2s.com> |
| 6 | */ |
| 7 | |
| 8 | #include <linux/module.h> |
| 9 | #include <linux/moduleparam.h> |
| 10 | #include <linux/gpio.h> |
| 11 | |
| 12 | #include <sound/core.h> |
| 13 | #include <sound/pcm.h> |
| 14 | #include <sound/soc.h> |
| 15 | |
| 16 | #include <mach/audio.h> |
| 17 | #include <mach/eseries-gpio.h> |
| 18 | |
| 19 | #include <asm/mach-types.h> |
| 20 | |
| 21 | static int e750_spk_amp_event(struct snd_soc_dapm_widget *w, |
| 22 | struct snd_kcontrol *kcontrol, int event) |
| 23 | { |
| 24 | if (event & SND_SOC_DAPM_PRE_PMU) |
| 25 | gpio_set_value(GPIO_E750_SPK_AMP_OFF, 0); |
| 26 | else if (event & SND_SOC_DAPM_POST_PMD) |
| 27 | gpio_set_value(GPIO_E750_SPK_AMP_OFF, 1); |
| 28 | |
| 29 | return 0; |
| 30 | } |
| 31 | |
| 32 | static int e750_hp_amp_event(struct snd_soc_dapm_widget *w, |
| 33 | struct snd_kcontrol *kcontrol, int event) |
| 34 | { |
| 35 | if (event & SND_SOC_DAPM_PRE_PMU) |
| 36 | gpio_set_value(GPIO_E750_HP_AMP_OFF, 0); |
| 37 | else if (event & SND_SOC_DAPM_POST_PMD) |
| 38 | gpio_set_value(GPIO_E750_HP_AMP_OFF, 1); |
| 39 | |
| 40 | return 0; |
| 41 | } |
| 42 | |
| 43 | static const struct snd_soc_dapm_widget e750_dapm_widgets[] = { |
| 44 | SND_SOC_DAPM_HP("Headphone Jack", NULL), |
| 45 | SND_SOC_DAPM_SPK("Speaker", NULL), |
| 46 | SND_SOC_DAPM_MIC("Mic (Internal)", NULL), |
| 47 | SND_SOC_DAPM_PGA_E("Headphone Amp", SND_SOC_NOPM, 0, 0, NULL, 0, |
| 48 | e750_hp_amp_event, SND_SOC_DAPM_PRE_PMU | |
| 49 | SND_SOC_DAPM_POST_PMD), |
| 50 | SND_SOC_DAPM_PGA_E("Speaker Amp", SND_SOC_NOPM, 0, 0, NULL, 0, |
| 51 | e750_spk_amp_event, SND_SOC_DAPM_PRE_PMU | |
| 52 | SND_SOC_DAPM_POST_PMD), |
| 53 | }; |
| 54 | |
| 55 | static const struct snd_soc_dapm_route audio_map[] = { |
| 56 | {"Headphone Amp", NULL, "HPOUTL"}, |
| 57 | {"Headphone Amp", NULL, "HPOUTR"}, |
| 58 | {"Headphone Jack", NULL, "Headphone Amp"}, |
| 59 | |
| 60 | {"Speaker Amp", NULL, "MONOOUT"}, |
| 61 | {"Speaker", NULL, "Speaker Amp"}, |
| 62 | |
| 63 | {"MIC1", NULL, "Mic (Internal)"}, |
| 64 | }; |
| 65 | |
| 66 | SND_SOC_DAILINK_DEFS(ac97, |
| 67 | DAILINK_COMP_ARRAY(COMP_CPU("pxa2xx-ac97")), |
| 68 | DAILINK_COMP_ARRAY(COMP_CODEC("wm9705-codec", "wm9705-hifi")), |
| 69 | DAILINK_COMP_ARRAY(COMP_PLATFORM("pxa-pcm-audio"))); |
| 70 | |
| 71 | SND_SOC_DAILINK_DEFS(ac97_aux, |
| 72 | DAILINK_COMP_ARRAY(COMP_CPU("pxa2xx-ac97-aux")), |
| 73 | DAILINK_COMP_ARRAY(COMP_CODEC("wm9705-codec", "wm9705-aux")), |
| 74 | DAILINK_COMP_ARRAY(COMP_PLATFORM("pxa-pcm-audio"))); |
| 75 | |
| 76 | static struct snd_soc_dai_link e750_dai[] = { |
| 77 | { |
| 78 | .name = "AC97", |
| 79 | .stream_name = "AC97 HiFi", |
| 80 | SND_SOC_DAILINK_REG(ac97), |
| 81 | /* use ops to check startup state */ |
| 82 | }, |
| 83 | { |
| 84 | .name = "AC97 Aux", |
| 85 | .stream_name = "AC97 Aux", |
| 86 | SND_SOC_DAILINK_REG(ac97_aux), |
| 87 | }, |
| 88 | }; |
| 89 | |
| 90 | static struct snd_soc_card e750 = { |
| 91 | .name = "Toshiba e750", |
| 92 | .owner = THIS_MODULE, |
| 93 | .dai_link = e750_dai, |
| 94 | .num_links = ARRAY_SIZE(e750_dai), |
| 95 | |
| 96 | .dapm_widgets = e750_dapm_widgets, |
| 97 | .num_dapm_widgets = ARRAY_SIZE(e750_dapm_widgets), |
| 98 | .dapm_routes = audio_map, |
| 99 | .num_dapm_routes = ARRAY_SIZE(audio_map), |
| 100 | .fully_routed = true, |
| 101 | }; |
| 102 | |
| 103 | static struct gpio e750_audio_gpios[] = { |
| 104 | { GPIO_E750_HP_AMP_OFF, GPIOF_OUT_INIT_HIGH, "Headphone amp" }, |
| 105 | { GPIO_E750_SPK_AMP_OFF, GPIOF_OUT_INIT_HIGH, "Speaker amp" }, |
| 106 | }; |
| 107 | |
| 108 | static int e750_probe(struct platform_device *pdev) |
| 109 | { |
| 110 | struct snd_soc_card *card = &e750; |
| 111 | int ret; |
| 112 | |
| 113 | ret = gpio_request_array(e750_audio_gpios, |
| 114 | ARRAY_SIZE(e750_audio_gpios)); |
| 115 | if (ret) |
| 116 | return ret; |
| 117 | |
| 118 | card->dev = &pdev->dev; |
| 119 | |
| 120 | ret = devm_snd_soc_register_card(&pdev->dev, card); |
| 121 | if (ret) { |
| 122 | dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", |
| 123 | ret); |
| 124 | gpio_free_array(e750_audio_gpios, ARRAY_SIZE(e750_audio_gpios)); |
| 125 | } |
| 126 | return ret; |
| 127 | } |
| 128 | |
| 129 | static int e750_remove(struct platform_device *pdev) |
| 130 | { |
| 131 | gpio_free_array(e750_audio_gpios, ARRAY_SIZE(e750_audio_gpios)); |
| 132 | return 0; |
| 133 | } |
| 134 | |
| 135 | static struct platform_driver e750_driver = { |
| 136 | .driver = { |
| 137 | .name = "e750-audio", |
| 138 | .pm = &snd_soc_pm_ops, |
| 139 | }, |
| 140 | .probe = e750_probe, |
| 141 | .remove = e750_remove, |
| 142 | }; |
| 143 | |
| 144 | module_platform_driver(e750_driver); |
| 145 | |
| 146 | /* Module information */ |
| 147 | MODULE_AUTHOR("Ian Molton <spyro@f2s.com>"); |
| 148 | MODULE_DESCRIPTION("ALSA SoC driver for e750"); |
| 149 | MODULE_LICENSE("GPL v2"); |
| 150 | MODULE_ALIAS("platform:e750-audio"); |