rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * linux/sound/soc/pxa/palm27x.c |
| 3 | * |
| 4 | * SoC Audio driver for Palm T|X, T5 and LifeDrive |
| 5 | * |
| 6 | * based on tosa.c |
| 7 | * |
| 8 | * Copyright (C) 2008 Marek Vasut <marek.vasut@gmail.com> |
| 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 | |
| 16 | #include <linux/module.h> |
| 17 | #include <linux/moduleparam.h> |
| 18 | #include <linux/device.h> |
| 19 | #include <linux/gpio.h> |
| 20 | |
| 21 | #include <sound/core.h> |
| 22 | #include <sound/pcm.h> |
| 23 | #include <sound/soc.h> |
| 24 | #include <sound/jack.h> |
| 25 | |
| 26 | #include <asm/mach-types.h> |
| 27 | #include <mach/audio.h> |
| 28 | #include <linux/platform_data/asoc-palm27x.h> |
| 29 | |
| 30 | static struct snd_soc_jack hs_jack; |
| 31 | |
| 32 | /* Headphones jack detection DAPM pins */ |
| 33 | static struct snd_soc_jack_pin hs_jack_pins[] = { |
| 34 | { |
| 35 | .pin = "Headphone Jack", |
| 36 | .mask = SND_JACK_HEADPHONE, |
| 37 | }, |
| 38 | }; |
| 39 | |
| 40 | /* Headphones jack detection gpios */ |
| 41 | static struct snd_soc_jack_gpio hs_jack_gpios[] = { |
| 42 | [0] = { |
| 43 | /* gpio is set on per-platform basis */ |
| 44 | .name = "hp-gpio", |
| 45 | .report = SND_JACK_HEADPHONE, |
| 46 | .debounce_time = 200, |
| 47 | }, |
| 48 | }; |
| 49 | |
| 50 | /* Palm27x machine dapm widgets */ |
| 51 | static const struct snd_soc_dapm_widget palm27x_dapm_widgets[] = { |
| 52 | SND_SOC_DAPM_HP("Headphone Jack", NULL), |
| 53 | SND_SOC_DAPM_SPK("Ext. Speaker", NULL), |
| 54 | SND_SOC_DAPM_MIC("Ext. Microphone", NULL), |
| 55 | }; |
| 56 | |
| 57 | /* PalmTX audio map */ |
| 58 | static const struct snd_soc_dapm_route audio_map[] = { |
| 59 | /* headphone connected to HPOUTL, HPOUTR */ |
| 60 | {"Headphone Jack", NULL, "HPOUTL"}, |
| 61 | {"Headphone Jack", NULL, "HPOUTR"}, |
| 62 | |
| 63 | /* ext speaker connected to ROUT2, LOUT2 */ |
| 64 | {"Ext. Speaker", NULL, "LOUT2"}, |
| 65 | {"Ext. Speaker", NULL, "ROUT2"}, |
| 66 | |
| 67 | /* mic connected to MIC1 */ |
| 68 | {"MIC1", NULL, "Ext. Microphone"}, |
| 69 | }; |
| 70 | |
| 71 | static struct snd_soc_card palm27x_asoc; |
| 72 | |
| 73 | static int palm27x_ac97_init(struct snd_soc_pcm_runtime *rtd) |
| 74 | { |
| 75 | int err; |
| 76 | |
| 77 | /* Jack detection API stuff */ |
| 78 | err = snd_soc_card_jack_new(rtd->card, "Headphone Jack", |
| 79 | SND_JACK_HEADPHONE, &hs_jack, hs_jack_pins, |
| 80 | ARRAY_SIZE(hs_jack_pins)); |
| 81 | if (err) |
| 82 | return err; |
| 83 | |
| 84 | err = snd_soc_jack_add_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios), |
| 85 | hs_jack_gpios); |
| 86 | |
| 87 | return err; |
| 88 | } |
| 89 | |
| 90 | static struct snd_soc_dai_link palm27x_dai[] = { |
| 91 | { |
| 92 | .name = "AC97 HiFi", |
| 93 | .stream_name = "AC97 HiFi", |
| 94 | .cpu_dai_name = "pxa2xx-ac97", |
| 95 | .codec_dai_name = "wm9712-hifi", |
| 96 | .codec_name = "wm9712-codec", |
| 97 | .platform_name = "pxa-pcm-audio", |
| 98 | .init = palm27x_ac97_init, |
| 99 | }, |
| 100 | { |
| 101 | .name = "AC97 Aux", |
| 102 | .stream_name = "AC97 Aux", |
| 103 | .cpu_dai_name = "pxa2xx-ac97-aux", |
| 104 | .codec_dai_name = "wm9712-aux", |
| 105 | .codec_name = "wm9712-codec", |
| 106 | .platform_name = "pxa-pcm-audio", |
| 107 | }, |
| 108 | }; |
| 109 | |
| 110 | static struct snd_soc_card palm27x_asoc = { |
| 111 | .name = "Palm/PXA27x", |
| 112 | .owner = THIS_MODULE, |
| 113 | .dai_link = palm27x_dai, |
| 114 | .num_links = ARRAY_SIZE(palm27x_dai), |
| 115 | .dapm_widgets = palm27x_dapm_widgets, |
| 116 | .num_dapm_widgets = ARRAY_SIZE(palm27x_dapm_widgets), |
| 117 | .dapm_routes = audio_map, |
| 118 | .num_dapm_routes = ARRAY_SIZE(audio_map), |
| 119 | .fully_routed = true, |
| 120 | }; |
| 121 | |
| 122 | static int palm27x_asoc_probe(struct platform_device *pdev) |
| 123 | { |
| 124 | int ret; |
| 125 | |
| 126 | if (!(machine_is_palmtx() || machine_is_palmt5() || |
| 127 | machine_is_palmld() || machine_is_palmte2())) |
| 128 | return -ENODEV; |
| 129 | |
| 130 | if (!pdev->dev.platform_data) { |
| 131 | dev_err(&pdev->dev, "please supply platform_data\n"); |
| 132 | return -ENODEV; |
| 133 | } |
| 134 | |
| 135 | hs_jack_gpios[0].gpio = ((struct palm27x_asoc_info *) |
| 136 | (pdev->dev.platform_data))->jack_gpio; |
| 137 | |
| 138 | palm27x_asoc.dev = &pdev->dev; |
| 139 | |
| 140 | ret = devm_snd_soc_register_card(&pdev->dev, &palm27x_asoc); |
| 141 | if (ret) |
| 142 | dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", |
| 143 | ret); |
| 144 | return ret; |
| 145 | } |
| 146 | |
| 147 | static struct platform_driver palm27x_wm9712_driver = { |
| 148 | .probe = palm27x_asoc_probe, |
| 149 | .driver = { |
| 150 | .name = "palm27x-asoc", |
| 151 | .pm = &snd_soc_pm_ops, |
| 152 | }, |
| 153 | }; |
| 154 | |
| 155 | module_platform_driver(palm27x_wm9712_driver); |
| 156 | |
| 157 | /* Module information */ |
| 158 | MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>"); |
| 159 | MODULE_DESCRIPTION("ALSA SoC Palm T|X, T5 and LifeDrive"); |
| 160 | MODULE_LICENSE("GPL"); |
| 161 | MODULE_ALIAS("platform:palm27x-asoc"); |