Ian Molton | 28796ea | 2009-01-17 15:11:06 +0000 | [diff] [blame] | 1 | /* |
| 2 | * e740-wm9705.c -- SoC audio for e740 |
| 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> |
Ian Molton | 28796ea | 2009-01-17 15:11:06 +0000 | [diff] [blame] | 19 | |
Ian Molton | 28796ea | 2009-01-17 15:11:06 +0000 | [diff] [blame] | 20 | #include <mach/audio.h> |
| 21 | #include <mach/eseries-gpio.h> |
| 22 | |
| 23 | #include <asm/mach-types.h> |
| 24 | |
| 25 | #include "../codecs/wm9705.h" |
Ian Molton | 28796ea | 2009-01-17 15:11:06 +0000 | [diff] [blame] | 26 | #include "pxa2xx-ac97.h" |
| 27 | |
| 28 | |
| 29 | #define E740_AUDIO_OUT 1 |
| 30 | #define E740_AUDIO_IN 2 |
| 31 | |
| 32 | static int e740_audio_power; |
| 33 | |
| 34 | static void e740_sync_audio_power(int status) |
| 35 | { |
| 36 | gpio_set_value(GPIO_E740_WM9705_nAVDD2, !status); |
| 37 | gpio_set_value(GPIO_E740_AMP_ON, (status & E740_AUDIO_OUT) ? 1 : 0); |
| 38 | gpio_set_value(GPIO_E740_MIC_ON, (status & E740_AUDIO_IN) ? 1 : 0); |
| 39 | } |
| 40 | |
| 41 | static int e740_mic_amp_event(struct snd_soc_dapm_widget *w, |
| 42 | struct snd_kcontrol *kcontrol, int event) |
| 43 | { |
| 44 | if (event & SND_SOC_DAPM_PRE_PMU) |
| 45 | e740_audio_power |= E740_AUDIO_IN; |
| 46 | else if (event & SND_SOC_DAPM_POST_PMD) |
| 47 | e740_audio_power &= ~E740_AUDIO_IN; |
| 48 | |
| 49 | e740_sync_audio_power(e740_audio_power); |
| 50 | |
| 51 | return 0; |
| 52 | } |
| 53 | |
| 54 | static int e740_output_amp_event(struct snd_soc_dapm_widget *w, |
| 55 | struct snd_kcontrol *kcontrol, int event) |
| 56 | { |
| 57 | if (event & SND_SOC_DAPM_PRE_PMU) |
| 58 | e740_audio_power |= E740_AUDIO_OUT; |
| 59 | else if (event & SND_SOC_DAPM_POST_PMD) |
| 60 | e740_audio_power &= ~E740_AUDIO_OUT; |
| 61 | |
| 62 | e740_sync_audio_power(e740_audio_power); |
| 63 | |
| 64 | return 0; |
| 65 | } |
| 66 | |
| 67 | static const struct snd_soc_dapm_widget e740_dapm_widgets[] = { |
| 68 | SND_SOC_DAPM_HP("Headphone Jack", NULL), |
| 69 | SND_SOC_DAPM_SPK("Speaker", NULL), |
| 70 | SND_SOC_DAPM_MIC("Mic (Internal)", NULL), |
| 71 | SND_SOC_DAPM_PGA_E("Output Amp", SND_SOC_NOPM, 0, 0, NULL, 0, |
| 72 | e740_output_amp_event, SND_SOC_DAPM_PRE_PMU | |
| 73 | SND_SOC_DAPM_POST_PMD), |
| 74 | SND_SOC_DAPM_PGA_E("Mic Amp", SND_SOC_NOPM, 0, 0, NULL, 0, |
| 75 | e740_mic_amp_event, SND_SOC_DAPM_PRE_PMU | |
| 76 | SND_SOC_DAPM_POST_PMD), |
| 77 | }; |
| 78 | |
| 79 | static const struct snd_soc_dapm_route audio_map[] = { |
| 80 | {"Output Amp", NULL, "LOUT"}, |
| 81 | {"Output Amp", NULL, "ROUT"}, |
| 82 | {"Output Amp", NULL, "MONOOUT"}, |
| 83 | |
| 84 | {"Speaker", NULL, "Output Amp"}, |
| 85 | {"Headphone Jack", NULL, "Output Amp"}, |
| 86 | |
| 87 | {"MIC1", NULL, "Mic Amp"}, |
| 88 | {"Mic Amp", NULL, "Mic (Internal)"}, |
| 89 | }; |
| 90 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 91 | static int e740_ac97_init(struct snd_soc_pcm_runtime *rtd) |
Ian Molton | 28796ea | 2009-01-17 15:11:06 +0000 | [diff] [blame] | 92 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 93 | struct snd_soc_codec *codec = rtd->codec; |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 94 | struct snd_soc_dapm_context *dapm = &codec->dapm; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 95 | |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 96 | snd_soc_dapm_nc_pin(dapm, "HPOUTL"); |
| 97 | snd_soc_dapm_nc_pin(dapm, "HPOUTR"); |
| 98 | snd_soc_dapm_nc_pin(dapm, "PHONE"); |
| 99 | snd_soc_dapm_nc_pin(dapm, "LINEINL"); |
| 100 | snd_soc_dapm_nc_pin(dapm, "LINEINR"); |
| 101 | snd_soc_dapm_nc_pin(dapm, "CDINL"); |
| 102 | snd_soc_dapm_nc_pin(dapm, "CDINR"); |
| 103 | snd_soc_dapm_nc_pin(dapm, "PCBEEP"); |
| 104 | snd_soc_dapm_nc_pin(dapm, "MIC2"); |
Ian Molton | 28796ea | 2009-01-17 15:11:06 +0000 | [diff] [blame] | 105 | |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 106 | snd_soc_dapm_new_controls(dapm, e740_dapm_widgets, |
Ian Molton | 28796ea | 2009-01-17 15:11:06 +0000 | [diff] [blame] | 107 | ARRAY_SIZE(e740_dapm_widgets)); |
| 108 | |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 109 | snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map)); |
Ian Molton | 28796ea | 2009-01-17 15:11:06 +0000 | [diff] [blame] | 110 | |
Ian Molton | 28796ea | 2009-01-17 15:11:06 +0000 | [diff] [blame] | 111 | return 0; |
| 112 | } |
| 113 | |
| 114 | static struct snd_soc_dai_link e740_dai[] = { |
| 115 | { |
| 116 | .name = "AC97", |
| 117 | .stream_name = "AC97 HiFi", |
Dmitry Eremin-Solenikov | 4bfc4e2 | 2011-02-23 02:29:11 +0300 | [diff] [blame] | 118 | .cpu_dai_name = "pxa2xx-ac97", |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 119 | .codec_dai_name = "wm9705-hifi", |
| 120 | .platform_name = "pxa-pcm-audio", |
| 121 | .codec_name = "wm9705-codec", |
Ian Molton | 28796ea | 2009-01-17 15:11:06 +0000 | [diff] [blame] | 122 | .init = e740_ac97_init, |
| 123 | }, |
| 124 | { |
| 125 | .name = "AC97 Aux", |
| 126 | .stream_name = "AC97 Aux", |
Dmitry Eremin-Solenikov | 4bfc4e2 | 2011-02-23 02:29:11 +0300 | [diff] [blame] | 127 | .cpu_dai_name = "pxa2xx-ac97-aux", |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 128 | .codec_dai_name = "wm9705-aux", |
| 129 | .platform_name = "pxa-pcm-audio", |
| 130 | .codec_name = "wm9705-codec", |
Ian Molton | 28796ea | 2009-01-17 15:11:06 +0000 | [diff] [blame] | 131 | }, |
| 132 | }; |
| 133 | |
| 134 | static struct snd_soc_card e740 = { |
| 135 | .name = "Toshiba e740", |
Axel Lin | 561c6a1 | 2011-12-22 09:44:43 +0800 | [diff] [blame] | 136 | .owner = THIS_MODULE, |
Ian Molton | 28796ea | 2009-01-17 15:11:06 +0000 | [diff] [blame] | 137 | .dai_link = e740_dai, |
| 138 | .num_links = ARRAY_SIZE(e740_dai), |
| 139 | }; |
| 140 | |
Axel Lin | 6213382 | 2011-12-15 10:52:42 +0800 | [diff] [blame] | 141 | static struct gpio e740_audio_gpios[] = { |
| 142 | { GPIO_E740_MIC_ON, GPIOF_OUT_INIT_LOW, "Mic amp" }, |
| 143 | { GPIO_E740_AMP_ON, GPIOF_OUT_INIT_LOW, "Output amp" }, |
| 144 | { GPIO_E740_WM9705_nAVDD2, GPIOF_OUT_INIT_HIGH, "Audio power" }, |
| 145 | }; |
Ian Molton | 28796ea | 2009-01-17 15:11:06 +0000 | [diff] [blame] | 146 | |
Axel Lin | 6213382 | 2011-12-15 10:52:42 +0800 | [diff] [blame] | 147 | static int __devinit e740_probe(struct platform_device *pdev) |
Ian Molton | 28796ea | 2009-01-17 15:11:06 +0000 | [diff] [blame] | 148 | { |
Axel Lin | 6213382 | 2011-12-15 10:52:42 +0800 | [diff] [blame] | 149 | struct snd_soc_card *card = &e740; |
Ian Molton | 28796ea | 2009-01-17 15:11:06 +0000 | [diff] [blame] | 150 | int ret; |
| 151 | |
Axel Lin | 6213382 | 2011-12-15 10:52:42 +0800 | [diff] [blame] | 152 | ret = gpio_request_array(e740_audio_gpios, |
| 153 | ARRAY_SIZE(e740_audio_gpios)); |
Ian Molton | 28796ea | 2009-01-17 15:11:06 +0000 | [diff] [blame] | 154 | if (ret) |
| 155 | return ret; |
| 156 | |
Axel Lin | 6213382 | 2011-12-15 10:52:42 +0800 | [diff] [blame] | 157 | card->dev = &pdev->dev; |
Ian Molton | 28796ea | 2009-01-17 15:11:06 +0000 | [diff] [blame] | 158 | |
Axel Lin | 6213382 | 2011-12-15 10:52:42 +0800 | [diff] [blame] | 159 | ret = snd_soc_register_card(card); |
| 160 | if (ret) { |
| 161 | dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", |
| 162 | ret); |
| 163 | gpio_free_array(e740_audio_gpios, ARRAY_SIZE(e740_audio_gpios)); |
Ian Molton | 28796ea | 2009-01-17 15:11:06 +0000 | [diff] [blame] | 164 | } |
Ian Molton | 28796ea | 2009-01-17 15:11:06 +0000 | [diff] [blame] | 165 | return ret; |
| 166 | } |
| 167 | |
Axel Lin | 6213382 | 2011-12-15 10:52:42 +0800 | [diff] [blame] | 168 | static int __devexit e740_remove(struct platform_device *pdev) |
Ian Molton | 28796ea | 2009-01-17 15:11:06 +0000 | [diff] [blame] | 169 | { |
Axel Lin | 6213382 | 2011-12-15 10:52:42 +0800 | [diff] [blame] | 170 | struct snd_soc_card *card = platform_get_drvdata(pdev); |
| 171 | |
| 172 | gpio_free_array(e740_audio_gpios, ARRAY_SIZE(e740_audio_gpios)); |
| 173 | snd_soc_unregister_card(card); |
| 174 | return 0; |
Ian Molton | 28796ea | 2009-01-17 15:11:06 +0000 | [diff] [blame] | 175 | } |
| 176 | |
Axel Lin | 6213382 | 2011-12-15 10:52:42 +0800 | [diff] [blame] | 177 | static struct platform_driver e740_driver = { |
| 178 | .driver = { |
| 179 | .name = "e740-audio", |
| 180 | .owner = THIS_MODULE, |
| 181 | }, |
| 182 | .probe = e740_probe, |
| 183 | .remove = __devexit_p(e740_remove), |
| 184 | }; |
| 185 | |
| 186 | module_platform_driver(e740_driver); |
Ian Molton | 28796ea | 2009-01-17 15:11:06 +0000 | [diff] [blame] | 187 | |
| 188 | /* Module information */ |
| 189 | MODULE_AUTHOR("Ian Molton <spyro@f2s.com>"); |
| 190 | MODULE_DESCRIPTION("ALSA SoC driver for e740"); |
| 191 | MODULE_LICENSE("GPL v2"); |
Axel Lin | 6213382 | 2011-12-15 10:52:42 +0800 | [diff] [blame] | 192 | MODULE_ALIAS("platform:e740-audio"); |