Robert Jarzmik | 8f0dc65 | 2009-02-07 14:01:58 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Handles the Mitac mioa701 SoC system |
| 3 | * |
| 4 | * Copyright (C) 2008 Robert Jarzmik |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation in version 2 of the License. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 18 | * |
| 19 | * This is a little schema of the sound interconnections : |
| 20 | * |
| 21 | * Sagem X200 Wolfson WM9713 |
| 22 | * +--------+ +-------------------+ Rear Speaker |
| 23 | * | | | | /-+ |
| 24 | * | +--->----->---+MONOIN SPKL+--->----+-+ | |
| 25 | * | GSM | | | | | | |
| 26 | * | +--->----->---+PCBEEP SPKR+--->----+-+ | |
| 27 | * | CHIP | | | \-+ |
| 28 | * | +---<-----<---+MONO | |
| 29 | * | | | | Front Speaker |
| 30 | * +--------+ | | /-+ |
| 31 | * | HPL+--->----+-+ | |
| 32 | * | | | | | |
| 33 | * | OUT3+--->----+-+ | |
| 34 | * | | \-+ |
| 35 | * | | |
| 36 | * | | Front Micro |
| 37 | * | | + |
| 38 | * | MIC1+-----<--+o+ |
| 39 | * | | + |
| 40 | * +-------------------+ --- |
| 41 | */ |
| 42 | |
| 43 | #include <linux/module.h> |
| 44 | #include <linux/moduleparam.h> |
| 45 | #include <linux/platform_device.h> |
| 46 | |
| 47 | #include <asm/mach-types.h> |
| 48 | #include <mach/audio.h> |
| 49 | |
| 50 | #include <sound/core.h> |
| 51 | #include <sound/pcm.h> |
| 52 | #include <sound/soc.h> |
Robert Jarzmik | 8f0dc65 | 2009-02-07 14:01:58 +0100 | [diff] [blame] | 53 | #include <sound/initval.h> |
| 54 | #include <sound/ac97_codec.h> |
| 55 | |
Robert Jarzmik | 8f0dc65 | 2009-02-07 14:01:58 +0100 | [diff] [blame] | 56 | #include "pxa2xx-ac97.h" |
| 57 | #include "../codecs/wm9713.h" |
| 58 | |
Robert Jarzmik | 8f0dc65 | 2009-02-07 14:01:58 +0100 | [diff] [blame] | 59 | #define AC97_GPIO_PULL 0x58 |
| 60 | |
| 61 | /* Use GPIO8 for rear speaker amplifier */ |
| 62 | static int rear_amp_power(struct snd_soc_codec *codec, int power) |
| 63 | { |
| 64 | unsigned short reg; |
| 65 | |
| 66 | if (power) { |
| 67 | reg = snd_soc_read(codec, AC97_GPIO_CFG); |
| 68 | snd_soc_write(codec, AC97_GPIO_CFG, reg | 0x0100); |
| 69 | reg = snd_soc_read(codec, AC97_GPIO_PULL); |
| 70 | snd_soc_write(codec, AC97_GPIO_PULL, reg | (1<<15)); |
| 71 | } else { |
| 72 | reg = snd_soc_read(codec, AC97_GPIO_CFG); |
| 73 | snd_soc_write(codec, AC97_GPIO_CFG, reg & ~0x0100); |
| 74 | reg = snd_soc_read(codec, AC97_GPIO_PULL); |
| 75 | snd_soc_write(codec, AC97_GPIO_PULL, reg & ~(1<<15)); |
| 76 | } |
| 77 | |
| 78 | return 0; |
| 79 | } |
| 80 | |
| 81 | static int rear_amp_event(struct snd_soc_dapm_widget *widget, |
| 82 | struct snd_kcontrol *kctl, int event) |
| 83 | { |
| 84 | struct snd_soc_codec *codec = widget->codec; |
| 85 | |
| 86 | return rear_amp_power(codec, SND_SOC_DAPM_EVENT_ON(event)); |
| 87 | } |
| 88 | |
| 89 | /* mioa701 machine dapm widgets */ |
| 90 | static const struct snd_soc_dapm_widget mioa701_dapm_widgets[] = { |
| 91 | SND_SOC_DAPM_SPK("Front Speaker", NULL), |
| 92 | SND_SOC_DAPM_SPK("Rear Speaker", rear_amp_event), |
| 93 | SND_SOC_DAPM_MIC("Headset", NULL), |
| 94 | SND_SOC_DAPM_LINE("GSM Line Out", NULL), |
| 95 | SND_SOC_DAPM_LINE("GSM Line In", NULL), |
| 96 | SND_SOC_DAPM_MIC("Headset Mic", NULL), |
| 97 | SND_SOC_DAPM_MIC("Front Mic", NULL), |
| 98 | }; |
| 99 | |
| 100 | static const struct snd_soc_dapm_route audio_map[] = { |
| 101 | /* Call Mic */ |
| 102 | {"Mic Bias", NULL, "Front Mic"}, |
| 103 | {"MIC1", NULL, "Mic Bias"}, |
| 104 | |
| 105 | /* Headset Mic */ |
| 106 | {"LINEL", NULL, "Headset Mic"}, |
| 107 | {"LINER", NULL, "Headset Mic"}, |
| 108 | |
| 109 | /* GSM Module */ |
| 110 | {"MONOIN", NULL, "GSM Line Out"}, |
| 111 | {"PCBEEP", NULL, "GSM Line Out"}, |
| 112 | {"GSM Line In", NULL, "MONO"}, |
| 113 | |
| 114 | /* headphone connected to HPL, HPR */ |
| 115 | {"Headset", NULL, "HPL"}, |
| 116 | {"Headset", NULL, "HPR"}, |
| 117 | |
| 118 | /* front speaker connected to HPL, OUT3 */ |
| 119 | {"Front Speaker", NULL, "HPL"}, |
| 120 | {"Front Speaker", NULL, "OUT3"}, |
| 121 | |
| 122 | /* rear speaker connected to SPKL, SPKR */ |
| 123 | {"Rear Speaker", NULL, "SPKL"}, |
| 124 | {"Rear Speaker", NULL, "SPKR"}, |
| 125 | }; |
| 126 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 127 | static int mioa701_wm9713_init(struct snd_soc_pcm_runtime *rtd) |
Robert Jarzmik | 8f0dc65 | 2009-02-07 14:01:58 +0100 | [diff] [blame] | 128 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 129 | struct snd_soc_codec *codec = rtd->codec; |
Robert Jarzmik | 8f0dc65 | 2009-02-07 14:01:58 +0100 | [diff] [blame] | 130 | unsigned short reg; |
| 131 | |
Robert Jarzmik | 8f0dc65 | 2009-02-07 14:01:58 +0100 | [diff] [blame] | 132 | /* Prepare GPIO8 for rear speaker amplifier */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 133 | reg = codec->driver->read(codec, AC97_GPIO_CFG); |
| 134 | codec->driver->write(codec, AC97_GPIO_CFG, reg | 0x0100); |
Robert Jarzmik | 8f0dc65 | 2009-02-07 14:01:58 +0100 | [diff] [blame] | 135 | |
| 136 | /* Prepare MIC input */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 137 | reg = codec->driver->read(codec, AC97_3D_CONTROL); |
| 138 | codec->driver->write(codec, AC97_3D_CONTROL, reg | 0xc000); |
Robert Jarzmik | 8f0dc65 | 2009-02-07 14:01:58 +0100 | [diff] [blame] | 139 | |
Robert Jarzmik | 8f0dc65 | 2009-02-07 14:01:58 +0100 | [diff] [blame] | 140 | return 0; |
| 141 | } |
| 142 | |
| 143 | static struct snd_soc_ops mioa701_ops; |
| 144 | |
| 145 | static struct snd_soc_dai_link mioa701_dai[] = { |
| 146 | { |
| 147 | .name = "AC97", |
| 148 | .stream_name = "AC97 HiFi", |
Dmitry Eremin-Solenikov | 4bfc4e2 | 2011-02-23 02:29:11 +0300 | [diff] [blame] | 149 | .cpu_dai_name = "pxa2xx-ac97", |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 150 | .codec_dai_name = "wm9713-hifi", |
| 151 | .codec_name = "wm9713-codec", |
Robert Jarzmik | 8f0dc65 | 2009-02-07 14:01:58 +0100 | [diff] [blame] | 152 | .init = mioa701_wm9713_init, |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 153 | .platform_name = "pxa-pcm-audio", |
Robert Jarzmik | 8f0dc65 | 2009-02-07 14:01:58 +0100 | [diff] [blame] | 154 | .ops = &mioa701_ops, |
| 155 | }, |
| 156 | { |
| 157 | .name = "AC97 Aux", |
| 158 | .stream_name = "AC97 Aux", |
Dmitry Eremin-Solenikov | 4bfc4e2 | 2011-02-23 02:29:11 +0300 | [diff] [blame] | 159 | .cpu_dai_name = "pxa2xx-ac97-aux", |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 160 | .codec_dai_name ="wm9713-aux", |
| 161 | .codec_name = "wm9713-codec", |
| 162 | .platform_name = "pxa-pcm-audio", |
Robert Jarzmik | 8f0dc65 | 2009-02-07 14:01:58 +0100 | [diff] [blame] | 163 | .ops = &mioa701_ops, |
| 164 | }, |
| 165 | }; |
| 166 | |
| 167 | static struct snd_soc_card mioa701 = { |
| 168 | .name = "MioA701", |
Axel Lin | 561c6a1 | 2011-12-22 09:44:43 +0800 | [diff] [blame] | 169 | .owner = THIS_MODULE, |
Robert Jarzmik | 8f0dc65 | 2009-02-07 14:01:58 +0100 | [diff] [blame] | 170 | .dai_link = mioa701_dai, |
| 171 | .num_links = ARRAY_SIZE(mioa701_dai), |
Lars-Peter Clausen | f6b2a04 | 2014-03-01 15:48:18 +0100 | [diff] [blame^] | 172 | |
| 173 | .dapm_widgets = mioa701_dapm_widgets, |
| 174 | .num_dapm_widgets = ARRAY_SIZE(mioa701_dapm_widgets), |
| 175 | .dapm_routes = audio_map, |
| 176 | .num_dapm_routes = ARRAY_SIZE(audio_map), |
Robert Jarzmik | 8f0dc65 | 2009-02-07 14:01:58 +0100 | [diff] [blame] | 177 | }; |
| 178 | |
Bill Pemberton | 570f6fe | 2012-12-07 09:26:17 -0500 | [diff] [blame] | 179 | static int mioa701_wm9713_probe(struct platform_device *pdev) |
Robert Jarzmik | 8f0dc65 | 2009-02-07 14:01:58 +0100 | [diff] [blame] | 180 | { |
Robert Jarzmik | 890255e | 2012-06-30 19:25:08 +0200 | [diff] [blame] | 181 | int rc; |
Robert Jarzmik | 8f0dc65 | 2009-02-07 14:01:58 +0100 | [diff] [blame] | 182 | |
| 183 | if (!machine_is_mioa701()) |
| 184 | return -ENODEV; |
| 185 | |
Robert Jarzmik | 890255e | 2012-06-30 19:25:08 +0200 | [diff] [blame] | 186 | mioa701.dev = &pdev->dev; |
| 187 | rc = snd_soc_register_card(&mioa701); |
| 188 | if (!rc) |
| 189 | dev_warn(&pdev->dev, "Be warned that incorrect mixers/muxes setup will" |
| 190 | "lead to overheating and possible destruction of your device." |
| 191 | " Do not use without a good knowledge of mio's board design!\n"); |
| 192 | return rc; |
Robert Jarzmik | 8f0dc65 | 2009-02-07 14:01:58 +0100 | [diff] [blame] | 193 | } |
| 194 | |
Bill Pemberton | 570f6fe | 2012-12-07 09:26:17 -0500 | [diff] [blame] | 195 | static int mioa701_wm9713_remove(struct platform_device *pdev) |
Robert Jarzmik | 8f0dc65 | 2009-02-07 14:01:58 +0100 | [diff] [blame] | 196 | { |
Robert Jarzmik | 890255e | 2012-06-30 19:25:08 +0200 | [diff] [blame] | 197 | struct snd_soc_card *card = platform_get_drvdata(pdev); |
| 198 | |
| 199 | snd_soc_unregister_card(card); |
Robert Jarzmik | 8f0dc65 | 2009-02-07 14:01:58 +0100 | [diff] [blame] | 200 | return 0; |
| 201 | } |
| 202 | |
| 203 | static struct platform_driver mioa701_wm9713_driver = { |
| 204 | .probe = mioa701_wm9713_probe, |
Bill Pemberton | 570f6fe | 2012-12-07 09:26:17 -0500 | [diff] [blame] | 205 | .remove = mioa701_wm9713_remove, |
Robert Jarzmik | 8f0dc65 | 2009-02-07 14:01:58 +0100 | [diff] [blame] | 206 | .driver = { |
| 207 | .name = "mioa701-wm9713", |
| 208 | .owner = THIS_MODULE, |
Dmitry Eremin-Solenikov | 7db1698 | 2013-10-17 14:01:37 +0400 | [diff] [blame] | 209 | .pm = &snd_soc_pm_ops, |
Robert Jarzmik | 8f0dc65 | 2009-02-07 14:01:58 +0100 | [diff] [blame] | 210 | }, |
| 211 | }; |
| 212 | |
Axel Lin | 2f702a1 | 2011-11-25 10:13:37 +0800 | [diff] [blame] | 213 | module_platform_driver(mioa701_wm9713_driver); |
Robert Jarzmik | 8f0dc65 | 2009-02-07 14:01:58 +0100 | [diff] [blame] | 214 | |
| 215 | /* Module information */ |
| 216 | MODULE_AUTHOR("Robert Jarzmik (rjarzmik@free.fr)"); |
| 217 | MODULE_DESCRIPTION("ALSA SoC WM9713 MIO A701"); |
| 218 | MODULE_LICENSE("GPL"); |