Leon Romanovsky | 58783fa | 2011-12-19 21:51:52 +0200 | [diff] [blame] | 1 | /* |
| 2 | * tegra_alc5632.c -- Toshiba AC100(PAZ00) machine ASoC driver |
| 3 | * |
| 4 | * Copyright (C) 2011 The AC100 Kernel Team <ac100@lists.lauchpad.net> |
| 5 | * |
| 6 | * Authors: Leon Romanovsky <leon@leon.nu> |
| 7 | * Andrey Danin <danindrey@mail.ru> |
| 8 | * Marc Dietrich <marvin24@gmx.de> |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License version 2 as |
| 12 | * published by the Free Software Foundation. |
| 13 | */ |
| 14 | |
| 15 | #include <asm/mach-types.h> |
| 16 | |
| 17 | #include <linux/module.h> |
| 18 | #include <linux/platform_device.h> |
| 19 | #include <linux/slab.h> |
| 20 | #include <linux/gpio.h> |
| 21 | |
| 22 | #include <sound/core.h> |
| 23 | #include <sound/jack.h> |
| 24 | #include <sound/pcm.h> |
| 25 | #include <sound/pcm_params.h> |
| 26 | #include <sound/soc.h> |
| 27 | |
| 28 | #include "../codecs/alc5632.h" |
| 29 | |
| 30 | #include "tegra_das.h" |
| 31 | #include "tegra_i2s.h" |
| 32 | #include "tegra_pcm.h" |
| 33 | #include "tegra_asoc_utils.h" |
| 34 | |
| 35 | #define DRV_NAME "tegra-alc5632" |
| 36 | |
| 37 | struct tegra_alc5632 { |
| 38 | struct tegra_asoc_utils_data util_data; |
| 39 | }; |
| 40 | |
| 41 | static int tegra_alc5632_asoc_hw_params(struct snd_pcm_substream *substream, |
| 42 | struct snd_pcm_hw_params *params) |
| 43 | { |
| 44 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| 45 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
| 46 | struct snd_soc_codec *codec = rtd->codec; |
| 47 | struct snd_soc_card *card = codec->card; |
| 48 | struct tegra_alc5632 *alc5632 = snd_soc_card_get_drvdata(card); |
| 49 | int srate, mclk; |
| 50 | int err; |
| 51 | |
| 52 | srate = params_rate(params); |
| 53 | mclk = 512 * srate; |
| 54 | |
| 55 | err = tegra_asoc_utils_set_rate(&alc5632->util_data, srate, mclk); |
| 56 | if (err < 0) { |
| 57 | dev_err(card->dev, "Can't configure clocks\n"); |
| 58 | return err; |
| 59 | } |
| 60 | |
| 61 | err = snd_soc_dai_set_sysclk(codec_dai, 0, mclk, |
| 62 | SND_SOC_CLOCK_IN); |
| 63 | if (err < 0) { |
| 64 | dev_err(card->dev, "codec_dai clock not set\n"); |
| 65 | return err; |
| 66 | } |
| 67 | |
| 68 | return 0; |
| 69 | } |
| 70 | |
| 71 | static struct snd_soc_ops tegra_alc5632_asoc_ops = { |
| 72 | .hw_params = tegra_alc5632_asoc_hw_params, |
| 73 | }; |
| 74 | |
| 75 | static struct snd_soc_jack tegra_alc5632_hs_jack; |
| 76 | |
| 77 | static struct snd_soc_jack_pin tegra_alc5632_hs_jack_pins[] = { |
| 78 | { |
| 79 | .pin = "Headset Mic", |
| 80 | .mask = SND_JACK_MICROPHONE, |
| 81 | }, |
| 82 | { |
| 83 | .pin = "Headset Stereophone", |
| 84 | .mask = SND_JACK_HEADPHONE, |
| 85 | }, |
| 86 | }; |
| 87 | |
| 88 | static const struct snd_soc_dapm_widget tegra_alc5632_dapm_widgets[] = { |
| 89 | SND_SOC_DAPM_SPK("Int Spk", NULL), |
| 90 | SND_SOC_DAPM_HP("Headset Stereophone", NULL), |
| 91 | SND_SOC_DAPM_MIC("Headset Mic", NULL), |
| 92 | }; |
| 93 | |
| 94 | static const struct snd_soc_dapm_route tegra_alc5632_audio_map[] = { |
| 95 | /* Internal Speaker */ |
| 96 | {"Int Spk", NULL, "SPKOUT"}, |
| 97 | {"Int Spk", NULL, "SPKOUTN"}, |
| 98 | |
| 99 | /* Headset Mic */ |
| 100 | {"MIC1", NULL, "MICBIAS1"}, |
| 101 | {"MICBIAS1", NULL, "Headset Mic"}, |
| 102 | |
| 103 | /* Headset Stereophone */ |
| 104 | {"Headset Stereophone", NULL, "HPR"}, |
| 105 | {"Headset Stereophone", NULL, "HPL"}, |
| 106 | }; |
| 107 | |
| 108 | static const struct snd_kcontrol_new tegra_alc5632_controls[] = { |
| 109 | SOC_DAPM_PIN_SWITCH("Int Spk"), |
| 110 | }; |
| 111 | |
| 112 | static int tegra_alc5632_asoc_init(struct snd_soc_pcm_runtime *rtd) |
| 113 | { |
| 114 | struct snd_soc_codec *codec = rtd->codec; |
| 115 | struct snd_soc_dapm_context *dapm = &codec->dapm; |
| 116 | |
| 117 | snd_soc_jack_new(codec, "Headset Jack", SND_JACK_HEADSET, |
| 118 | &tegra_alc5632_hs_jack); |
| 119 | snd_soc_jack_add_pins(&tegra_alc5632_hs_jack, |
| 120 | ARRAY_SIZE(tegra_alc5632_hs_jack_pins), |
| 121 | tegra_alc5632_hs_jack_pins); |
| 122 | |
| 123 | snd_soc_dapm_force_enable_pin(dapm, "MICBIAS1"); |
| 124 | |
| 125 | return 0; |
| 126 | } |
| 127 | |
| 128 | static struct snd_soc_dai_link tegra_alc5632_dai = { |
| 129 | .name = "ALC5632", |
| 130 | .stream_name = "ALC5632 PCM", |
| 131 | .codec_name = "alc5632.0-001e", |
| 132 | .platform_name = "tegra-pcm-audio", |
| 133 | .cpu_dai_name = "tegra-i2s.0", |
| 134 | .codec_dai_name = "alc5632-hifi", |
| 135 | .init = tegra_alc5632_asoc_init, |
| 136 | .ops = &tegra_alc5632_asoc_ops, |
| 137 | .dai_fmt = SND_SOC_DAIFMT_I2S |
| 138 | | SND_SOC_DAIFMT_NB_NF |
| 139 | | SND_SOC_DAIFMT_CBS_CFS, |
| 140 | }; |
| 141 | |
| 142 | static struct snd_soc_card snd_soc_tegra_alc5632 = { |
| 143 | .name = "tegra-alc5632", |
Axel Lin | b16eaf9 | 2011-12-22 21:23:01 +0800 | [diff] [blame^] | 144 | .owner = THIS_MODULE, |
Leon Romanovsky | 58783fa | 2011-12-19 21:51:52 +0200 | [diff] [blame] | 145 | .dai_link = &tegra_alc5632_dai, |
| 146 | .num_links = 1, |
| 147 | .controls = tegra_alc5632_controls, |
| 148 | .num_controls = ARRAY_SIZE(tegra_alc5632_controls), |
| 149 | .dapm_widgets = tegra_alc5632_dapm_widgets, |
| 150 | .num_dapm_widgets = ARRAY_SIZE(tegra_alc5632_dapm_widgets), |
| 151 | .dapm_routes = tegra_alc5632_audio_map, |
| 152 | .num_dapm_routes = ARRAY_SIZE(tegra_alc5632_audio_map), |
| 153 | .fully_routed = true, |
| 154 | }; |
| 155 | |
| 156 | static __devinit int tegra_alc5632_probe(struct platform_device *pdev) |
| 157 | { |
| 158 | struct snd_soc_card *card = &snd_soc_tegra_alc5632; |
| 159 | struct tegra_alc5632 *alc5632; |
| 160 | int ret; |
| 161 | |
| 162 | alc5632 = devm_kzalloc(&pdev->dev, |
| 163 | sizeof(struct tegra_alc5632), GFP_KERNEL); |
| 164 | if (!alc5632) { |
| 165 | dev_err(&pdev->dev, "Can't allocate tegra_alc5632\n"); |
| 166 | return -ENOMEM; |
| 167 | } |
| 168 | |
| 169 | ret = tegra_asoc_utils_init(&alc5632->util_data, &pdev->dev); |
| 170 | if (ret) |
| 171 | return ret; |
| 172 | |
| 173 | card->dev = &pdev->dev; |
| 174 | platform_set_drvdata(pdev, card); |
| 175 | snd_soc_card_set_drvdata(card, alc5632); |
| 176 | |
| 177 | ret = snd_soc_register_card(card); |
| 178 | if (ret) { |
| 179 | dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", |
| 180 | ret); |
| 181 | tegra_asoc_utils_fini(&alc5632->util_data); |
| 182 | return ret; |
| 183 | } |
| 184 | |
| 185 | return 0; |
| 186 | } |
| 187 | |
| 188 | static int __devexit tegra_alc5632_remove(struct platform_device *pdev) |
| 189 | { |
| 190 | struct snd_soc_card *card = platform_get_drvdata(pdev); |
| 191 | struct tegra_alc5632 *alc5632 = snd_soc_card_get_drvdata(card); |
| 192 | |
| 193 | snd_soc_unregister_card(card); |
| 194 | |
| 195 | tegra_asoc_utils_fini(&alc5632->util_data); |
| 196 | |
| 197 | return 0; |
| 198 | } |
| 199 | |
| 200 | static struct platform_driver tegra_alc5632_driver = { |
| 201 | .driver = { |
| 202 | .name = DRV_NAME, |
| 203 | .owner = THIS_MODULE, |
| 204 | .pm = &snd_soc_pm_ops, |
| 205 | }, |
| 206 | .probe = tegra_alc5632_probe, |
| 207 | .remove = __devexit_p(tegra_alc5632_remove), |
| 208 | }; |
| 209 | module_platform_driver(tegra_alc5632_driver); |
| 210 | |
| 211 | MODULE_AUTHOR("Leon Romanovsky <leon@leon.nu>"); |
| 212 | MODULE_DESCRIPTION("Tegra+ALC5632 machine ASoC driver"); |
| 213 | MODULE_LICENSE("GPL"); |
| 214 | MODULE_ALIAS("platform:" DRV_NAME); |