projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| a7e2e735 IM |
1 | /* |
| 2 | * e750-wm9705.c -- SoC audio for e750 | |
| 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> | |
| a7e2e735 | 19 | |
| a7e2e735 IM |
20 | #include <mach/audio.h> |
| 21 | #include <mach/eseries-gpio.h> | |
| 22 | ||
| 23 | #include <asm/mach-types.h> | |
| 24 | ||
| a7e2e735 IM |
25 | static int e750_spk_amp_event(struct snd_soc_dapm_widget *w, |
| 26 | struct snd_kcontrol *kcontrol, int event) | |
| 27 | { | |
| 28 | if (event & SND_SOC_DAPM_PRE_PMU) | |
| 29 | gpio_set_value(GPIO_E750_SPK_AMP_OFF, 0); | |
| 30 | else if (event & SND_SOC_DAPM_POST_PMD) | |
| 31 | gpio_set_value(GPIO_E750_SPK_AMP_OFF, 1); | |
| 32 | ||
| 33 | return 0; | |
| 34 | } | |
| 35 | ||
| 36 | static int e750_hp_amp_event(struct snd_soc_dapm_widget *w, | |
| 37 | struct snd_kcontrol *kcontrol, int event) | |
| 38 | { | |
| 39 | if (event & SND_SOC_DAPM_PRE_PMU) | |
| 40 | gpio_set_value(GPIO_E750_HP_AMP_OFF, 0); | |
| 41 | else if (event & SND_SOC_DAPM_POST_PMD) | |
| 42 | gpio_set_value(GPIO_E750_HP_AMP_OFF, 1); | |
| 43 | ||
| 44 | return 0; | |
| 45 | } | |
| 46 | ||
| 47 | static const struct snd_soc_dapm_widget e750_dapm_widgets[] = { | |
| 48 | SND_SOC_DAPM_HP("Headphone Jack", NULL), | |
| 49 | SND_SOC_DAPM_SPK("Speaker", NULL), | |
| 50 | SND_SOC_DAPM_MIC("Mic (Internal)", NULL), | |
| 51 | SND_SOC_DAPM_PGA_E("Headphone Amp", SND_SOC_NOPM, 0, 0, NULL, 0, | |
| 52 | e750_hp_amp_event, SND_SOC_DAPM_PRE_PMU | | |
| 53 | SND_SOC_DAPM_POST_PMD), | |
| 54 | SND_SOC_DAPM_PGA_E("Speaker Amp", SND_SOC_NOPM, 0, 0, NULL, 0, | |
| 55 | e750_spk_amp_event, SND_SOC_DAPM_PRE_PMU | | |
| 56 | SND_SOC_DAPM_POST_PMD), | |
| 57 | }; | |
| 58 | ||
| 59 | static const struct snd_soc_dapm_route audio_map[] = { | |
| 60 | {"Headphone Amp", NULL, "HPOUTL"}, | |
| 61 | {"Headphone Amp", NULL, "HPOUTR"}, | |
| 62 | {"Headphone Jack", NULL, "Headphone Amp"}, | |
| 63 | ||
| 64 | {"Speaker Amp", NULL, "MONOOUT"}, | |
| 65 | {"Speaker", NULL, "Speaker Amp"}, | |
| 66 | ||
| 67 | {"MIC1", NULL, "Mic (Internal)"}, | |
| 68 | }; | |
| 69 | ||
| a7e2e735 IM |
70 | static struct snd_soc_dai_link e750_dai[] = { |
| 71 | { | |
| 72 | .name = "AC97", | |
| 73 | .stream_name = "AC97 HiFi", | |
| 4bfc4e25 | 74 | .cpu_dai_name = "pxa2xx-ac97", |
| f0fba2ad LG |
75 | .codec_dai_name = "wm9705-hifi", |
| 76 | .platform_name = "pxa-pcm-audio", | |
| 77 | .codec_name = "wm9705-codec", | |
| a7e2e735 IM |
78 | /* use ops to check startup state */ |
| 79 | }, | |
| 80 | { | |
| 81 | .name = "AC97 Aux", | |
| 82 | .stream_name = "AC97 Aux", | |
| 4bfc4e25 | 83 | .cpu_dai_name = "pxa2xx-ac97-aux", |
| f0fba2ad LG |
84 | .codec_dai_name ="wm9705-aux", |
| 85 | .platform_name = "pxa-pcm-audio", | |
| 86 | .codec_name = "wm9705-codec", | |
| a7e2e735 IM |
87 | }, |
| 88 | }; | |
| 89 | ||
| 90 | static struct snd_soc_card e750 = { | |
| 91 | .name = "Toshiba e750", | |
| 561c6a17 | 92 | .owner = THIS_MODULE, |
| a7e2e735 IM |
93 | .dai_link = e750_dai, |
| 94 | .num_links = ARRAY_SIZE(e750_dai), | |
| 98308c82 LPC |
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), | |
| 7523f69e | 100 | .fully_routed = true, |
| a7e2e735 IM |
101 | }; |
| 102 | ||
| 5eb2c3d9 AL |
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 | }; | |
| a7e2e735 | 107 | |
| 570f6fe1 | 108 | static int e750_probe(struct platform_device *pdev) |
| a7e2e735 | 109 | { |
| 5eb2c3d9 | 110 | struct snd_soc_card *card = &e750; |
| a7e2e735 IM |
111 | int ret; |
| 112 | ||
| 5eb2c3d9 AL |
113 | ret = gpio_request_array(e750_audio_gpios, |
| 114 | ARRAY_SIZE(e750_audio_gpios)); | |
| a7e2e735 IM |
115 | if (ret) |
| 116 | return ret; | |
| 117 | ||
| 5eb2c3d9 | 118 | card->dev = &pdev->dev; |
| a7e2e735 | 119 | |
| 2fd7076a | 120 | ret = devm_snd_soc_register_card(&pdev->dev, card); |
| 5eb2c3d9 AL |
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)); | |
| a7e2e735 | 125 | } |
| a7e2e735 IM |
126 | return ret; |
| 127 | } | |
| 128 | ||
| 570f6fe1 | 129 | static int e750_remove(struct platform_device *pdev) |
| a7e2e735 | 130 | { |
| 5eb2c3d9 | 131 | gpio_free_array(e750_audio_gpios, ARRAY_SIZE(e750_audio_gpios)); |
| 5eb2c3d9 | 132 | return 0; |
| a7e2e735 IM |
133 | } |
| 134 | ||
| 5eb2c3d9 AL |
135 | static struct platform_driver e750_driver = { |
| 136 | .driver = { | |
| 137 | .name = "e750-audio", | |
| 7db1698f | 138 | .pm = &snd_soc_pm_ops, |
| 5eb2c3d9 AL |
139 | }, |
| 140 | .probe = e750_probe, | |
| 570f6fe1 | 141 | .remove = e750_remove, |
| 5eb2c3d9 AL |
142 | }; |
| 143 | ||
| 144 | module_platform_driver(e750_driver); | |
| a7e2e735 IM |
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"); | |
| 5eb2c3d9 | 150 | MODULE_ALIAS("platform:e750-audio"); |