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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 | /* * Handles the Mitac mioa701 SoC system * * Copyright (C) 2008 Robert Jarzmik * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation in version 2 of the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * This is a little schema of the sound interconnections : * * Sagem X200 Wolfson WM9713 * +--------+ +-------------------+ Rear Speaker * | | | | /-+ * | +--->----->---+MONOIN SPKL+--->----+-+ | * | GSM | | | | | | * | +--->----->---+PCBEEP SPKR+--->----+-+ | * | CHIP | | | \-+ * | +---<-----<---+MONO | * | | | | Front Speaker * +--------+ | | /-+ * | HPL+--->----+-+ | * | | | | | * | OUT3+--->----+-+ | * | | \-+ * | | * | | Front Micro * | | + * | MIC1+-----<--+o+ * | | + * +-------------------+ --- */ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/platform_device.h> #include <asm/mach-types.h> #include <mach/audio.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/soc.h> #include <sound/initval.h> #include <sound/ac97_codec.h> #include "pxa2xx-ac97.h" #include "../codecs/wm9713.h" #define ARRAY_AND_SIZE(x) (x), ARRAY_SIZE(x) #define AC97_GPIO_PULL 0x58 /* Use GPIO8 for rear speaker amplifier */ static int rear_amp_power(struct snd_soc_codec *codec, int power) { unsigned short reg; if (power) { reg = snd_soc_read(codec, AC97_GPIO_CFG); snd_soc_write(codec, AC97_GPIO_CFG, reg | 0x0100); reg = snd_soc_read(codec, AC97_GPIO_PULL); snd_soc_write(codec, AC97_GPIO_PULL, reg | (1<<15)); } else { reg = snd_soc_read(codec, AC97_GPIO_CFG); snd_soc_write(codec, AC97_GPIO_CFG, reg & ~0x0100); reg = snd_soc_read(codec, AC97_GPIO_PULL); snd_soc_write(codec, AC97_GPIO_PULL, reg & ~(1<<15)); } return 0; } static int rear_amp_event(struct snd_soc_dapm_widget *widget, struct snd_kcontrol *kctl, int event) { struct snd_soc_codec *codec = widget->codec; return rear_amp_power(codec, SND_SOC_DAPM_EVENT_ON(event)); } /* mioa701 machine dapm widgets */ static const struct snd_soc_dapm_widget mioa701_dapm_widgets[] = { SND_SOC_DAPM_SPK("Front Speaker", NULL), SND_SOC_DAPM_SPK("Rear Speaker", rear_amp_event), SND_SOC_DAPM_MIC("Headset", NULL), SND_SOC_DAPM_LINE("GSM Line Out", NULL), SND_SOC_DAPM_LINE("GSM Line In", NULL), SND_SOC_DAPM_MIC("Headset Mic", NULL), SND_SOC_DAPM_MIC("Front Mic", NULL), }; static const struct snd_soc_dapm_route audio_map[] = { /* Call Mic */ {"Mic Bias", NULL, "Front Mic"}, {"MIC1", NULL, "Mic Bias"}, /* Headset Mic */ {"LINEL", NULL, "Headset Mic"}, {"LINER", NULL, "Headset Mic"}, /* GSM Module */ {"MONOIN", NULL, "GSM Line Out"}, {"PCBEEP", NULL, "GSM Line Out"}, {"GSM Line In", NULL, "MONO"}, /* headphone connected to HPL, HPR */ {"Headset", NULL, "HPL"}, {"Headset", NULL, "HPR"}, /* front speaker connected to HPL, OUT3 */ {"Front Speaker", NULL, "HPL"}, {"Front Speaker", NULL, "OUT3"}, /* rear speaker connected to SPKL, SPKR */ {"Rear Speaker", NULL, "SPKL"}, {"Rear Speaker", NULL, "SPKR"}, }; static int mioa701_wm9713_init(struct snd_soc_pcm_runtime *rtd) { struct snd_soc_codec *codec = rtd->codec; struct snd_soc_dapm_context *dapm = &codec->dapm; unsigned short reg; /* Add mioa701 specific widgets */ snd_soc_dapm_new_controls(dapm, ARRAY_AND_SIZE(mioa701_dapm_widgets)); /* Set up mioa701 specific audio path audio_mapnects */ snd_soc_dapm_add_routes(dapm, ARRAY_AND_SIZE(audio_map)); /* Prepare GPIO8 for rear speaker amplifier */ reg = codec->driver->read(codec, AC97_GPIO_CFG); codec->driver->write(codec, AC97_GPIO_CFG, reg | 0x0100); /* Prepare MIC input */ reg = codec->driver->read(codec, AC97_3D_CONTROL); codec->driver->write(codec, AC97_3D_CONTROL, reg | 0xc000); snd_soc_dapm_enable_pin(dapm, "Front Speaker"); snd_soc_dapm_enable_pin(dapm, "Rear Speaker"); snd_soc_dapm_enable_pin(dapm, "Front Mic"); snd_soc_dapm_enable_pin(dapm, "GSM Line In"); snd_soc_dapm_enable_pin(dapm, "GSM Line Out"); return 0; } static struct snd_soc_ops mioa701_ops; static struct snd_soc_dai_link mioa701_dai[] = { { .name = "AC97", .stream_name = "AC97 HiFi", .cpu_dai_name = "pxa2xx-ac97", .codec_dai_name = "wm9713-hifi", .codec_name = "wm9713-codec", .init = mioa701_wm9713_init, .platform_name = "pxa-pcm-audio", .ops = &mioa701_ops, }, { .name = "AC97 Aux", .stream_name = "AC97 Aux", .cpu_dai_name = "pxa2xx-ac97-aux", .codec_dai_name ="wm9713-aux", .codec_name = "wm9713-codec", .platform_name = "pxa-pcm-audio", .ops = &mioa701_ops, }, }; static struct snd_soc_card mioa701 = { .name = "MioA701", .owner = THIS_MODULE, .dai_link = mioa701_dai, .num_links = ARRAY_SIZE(mioa701_dai), }; static struct platform_device *mioa701_snd_device; static int mioa701_wm9713_probe(struct platform_device *pdev) { int ret; if (!machine_is_mioa701()) return -ENODEV; dev_warn(&pdev->dev, "Be warned that incorrect mixers/muxes setup will" "lead to overheating and possible destruction of your device." "Do not use without a good knowledge of mio's board design!\n"); mioa701_snd_device = platform_device_alloc("soc-audio", -1); if (!mioa701_snd_device) return -ENOMEM; platform_set_drvdata(mioa701_snd_device, &mioa701); ret = platform_device_add(mioa701_snd_device); if (!ret) return 0; platform_device_put(mioa701_snd_device); return ret; } static int __devexit mioa701_wm9713_remove(struct platform_device *pdev) { platform_device_unregister(mioa701_snd_device); return 0; } static struct platform_driver mioa701_wm9713_driver = { .probe = mioa701_wm9713_probe, .remove = __devexit_p(mioa701_wm9713_remove), .driver = { .name = "mioa701-wm9713", .owner = THIS_MODULE, }, }; module_platform_driver(mioa701_wm9713_driver); /* Module information */ MODULE_AUTHOR("Robert Jarzmik (rjarzmik@free.fr)"); MODULE_DESCRIPTION("ALSA SoC WM9713 MIO A701"); MODULE_LICENSE("GPL"); |