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/soc-dapm.h> 25#include <sound/jack.h> 26 27#include <asm/mach-types.h> 28#include <mach/audio.h> 29#include <mach/palmasoc.h> 30 31#include "../codecs/wm9712.h" 32#include "pxa2xx-pcm.h" 33#include "pxa2xx-ac97.h" 34 35static struct snd_soc_jack hs_jack; 36 37/* Headphones jack detection DAPM pins */ 38static struct snd_soc_jack_pin hs_jack_pins[] = { 39 { 40 .pin = "Headphone Jack", 41 .mask = SND_JACK_HEADPHONE, 42 }, 43}; 44 45/* Headphones jack detection gpios */ 46static struct snd_soc_jack_gpio hs_jack_gpios[] = { 47 [0] = { 48 /* gpio is set on per-platform basis */ 49 .name = "hp-gpio", 50 .report = SND_JACK_HEADPHONE, 51 .debounce_time = 200, 52 }, 53}; 54 55/* Palm27x machine dapm widgets */ 56static const struct snd_soc_dapm_widget palm27x_dapm_widgets[] = { 57 SND_SOC_DAPM_HP("Headphone Jack", NULL), 58 SND_SOC_DAPM_SPK("Ext. Speaker", NULL), 59 SND_SOC_DAPM_MIC("Ext. Microphone", NULL), 60}; 61 62/* PalmTX audio map */ 63static const struct snd_soc_dapm_route audio_map[] = { 64 /* headphone connected to HPOUTL, HPOUTR */ 65 {"Headphone Jack", NULL, "HPOUTL"}, 66 {"Headphone Jack", NULL, "HPOUTR"}, 67 68 /* ext speaker connected to ROUT2, LOUT2 */ 69 {"Ext. Speaker", NULL, "LOUT2"}, 70 {"Ext. Speaker", NULL, "ROUT2"}, 71 72 /* mic connected to MIC1 */ 73 {"Ext. Microphone", NULL, "MIC1"}, 74}; 75 76static struct snd_soc_card palm27x_asoc; 77 78static int palm27x_ac97_init(struct snd_soc_codec *codec) 79{ 80 int err; 81 82 /* add palm27x specific widgets */ 83 err = snd_soc_dapm_new_controls(codec, palm27x_dapm_widgets, 84 ARRAY_SIZE(palm27x_dapm_widgets)); 85 if (err) 86 return err; 87 88 /* set up palm27x specific audio path audio_map */ 89 err = snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map)); 90 if (err) 91 return err; 92 93 /* connected pins */ 94 if (machine_is_palmld()) 95 snd_soc_dapm_enable_pin(codec, "MIC1"); 96 snd_soc_dapm_enable_pin(codec, "HPOUTL"); 97 snd_soc_dapm_enable_pin(codec, "HPOUTR"); 98 snd_soc_dapm_enable_pin(codec, "LOUT2"); 99 snd_soc_dapm_enable_pin(codec, "ROUT2"); 100 101 /* not connected pins */ 102 snd_soc_dapm_nc_pin(codec, "OUT3"); 103 snd_soc_dapm_nc_pin(codec, "MONOOUT"); 104 snd_soc_dapm_nc_pin(codec, "LINEINL"); 105 snd_soc_dapm_nc_pin(codec, "LINEINR"); 106 snd_soc_dapm_nc_pin(codec, "PCBEEP"); 107 snd_soc_dapm_nc_pin(codec, "PHONE"); 108 snd_soc_dapm_nc_pin(codec, "MIC2"); 109 110 err = snd_soc_dapm_sync(codec); 111 if (err) 112 return err; 113 114 /* Jack detection API stuff */ 115 err = snd_soc_jack_new(&palm27x_asoc, "Headphone Jack", 116 SND_JACK_HEADPHONE, &hs_jack); 117 if (err) 118 return err; 119 120 err = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins), 121 hs_jack_pins); 122 if (err) 123 return err; 124 125 err = snd_soc_jack_add_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios), 126 hs_jack_gpios); 127 128 return err; 129} 130 131static struct snd_soc_dai_link palm27x_dai[] = { 132{ 133 .name = "AC97 HiFi", 134 .stream_name = "AC97 HiFi", 135 .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_HIFI], 136 .codec_dai = &wm9712_dai[WM9712_DAI_AC97_HIFI], 137 .init = palm27x_ac97_init, 138}, 139{ 140 .name = "AC97 Aux", 141 .stream_name = "AC97 Aux", 142 .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_AUX], 143 .codec_dai = &wm9712_dai[WM9712_DAI_AC97_AUX], 144}, 145}; 146 147static struct snd_soc_card palm27x_asoc = { 148 .name = "Palm/PXA27x", 149 .platform = &pxa2xx_soc_platform, 150 .dai_link = palm27x_dai, 151 .num_links = ARRAY_SIZE(palm27x_dai), 152}; 153 154static struct snd_soc_device palm27x_snd_devdata = { 155 .card = &palm27x_asoc, 156 .codec_dev = &soc_codec_dev_wm9712, 157}; 158 159static struct platform_device *palm27x_snd_device; 160 161static int palm27x_asoc_probe(struct platform_device *pdev) 162{ 163 int ret; 164 165 if (!(machine_is_palmtx() || machine_is_palmt5() || 166 machine_is_palmld() || machine_is_palmte2())) 167 return -ENODEV; 168 169 if (!pdev->dev.platform_data) { 170 dev_err(&pdev->dev, "please supply platform_data\n"); 171 return -ENODEV; 172 } 173 174 hs_jack_gpios[0].gpio = ((struct palm27x_asoc_info *) 175 (pdev->dev.platform_data))->jack_gpio; 176 177 palm27x_snd_device = platform_device_alloc("soc-audio", -1); 178 if (!palm27x_snd_device) 179 return -ENOMEM; 180 181 platform_set_drvdata(palm27x_snd_device, &palm27x_snd_devdata); 182 palm27x_snd_devdata.dev = &palm27x_snd_device->dev; 183 ret = platform_device_add(palm27x_snd_device); 184 185 if (ret != 0) 186 goto put_device; 187 188 return 0; 189 190put_device: 191 platform_device_put(palm27x_snd_device); 192 193 return ret; 194} 195 196static int __devexit palm27x_asoc_remove(struct platform_device *pdev) 197{ 198 platform_device_unregister(palm27x_snd_device); 199 return 0; 200} 201 202static struct platform_driver palm27x_wm9712_driver = { 203 .probe = palm27x_asoc_probe, 204 .remove = __devexit_p(palm27x_asoc_remove), 205 .driver = { 206 .name = "palm27x-asoc", 207 .owner = THIS_MODULE, 208 }, 209}; 210 211static int __init palm27x_asoc_init(void) 212{ 213 return platform_driver_register(&palm27x_wm9712_driver); 214} 215 216static void __exit palm27x_asoc_exit(void) 217{ 218 platform_driver_unregister(&palm27x_wm9712_driver); 219} 220 221module_init(palm27x_asoc_init); 222module_exit(palm27x_asoc_exit); 223 224/* Module information */ 225MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>"); 226MODULE_DESCRIPTION("ALSA SoC Palm T|X, T5 and LifeDrive"); 227MODULE_LICENSE("GPL"); 228