Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 1 | /* |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 2 | * tegra_wm8903.c - Tegra machine ASoC driver for boards using WM8903 codec. |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 3 | * |
| 4 | * Author: Stephen Warren <swarren@nvidia.com> |
Stephen Warren | 518de86 | 2012-03-20 14:55:49 -0600 | [diff] [blame] | 5 | * Copyright (C) 2010-2012 - NVIDIA, Inc. |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 6 | * |
| 7 | * Based on code copyright/by: |
| 8 | * |
| 9 | * (c) 2009, 2010 Nvidia Graphics Pvt. Ltd. |
| 10 | * |
| 11 | * Copyright 2007 Wolfson Microelectronics PLC. |
| 12 | * Author: Graeme Gregory |
| 13 | * graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com |
| 14 | * |
| 15 | * This program is free software; you can redistribute it and/or |
| 16 | * modify it under the terms of the GNU General Public License |
| 17 | * version 2 as published by the Free Software Foundation. |
| 18 | * |
| 19 | * This program is distributed in the hope that it will be useful, but |
| 20 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 22 | * General Public License for more details. |
| 23 | * |
| 24 | * You should have received a copy of the GNU General Public License |
| 25 | * along with this program; if not, write to the Free Software |
| 26 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA |
| 27 | * 02110-1301 USA |
| 28 | * |
| 29 | */ |
| 30 | |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 31 | #include <linux/module.h> |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 32 | #include <linux/platform_device.h> |
| 33 | #include <linux/slab.h> |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 34 | #include <linux/gpio.h> |
Stephen Warren | 07cdf36 | 2011-12-12 15:55:36 -0700 | [diff] [blame] | 35 | #include <linux/of_gpio.h> |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 36 | |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 37 | #include <sound/core.h> |
Stephen Warren | f7d3e40 | 2011-02-03 13:56:13 -0700 | [diff] [blame] | 38 | #include <sound/jack.h> |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 39 | #include <sound/pcm.h> |
| 40 | #include <sound/pcm_params.h> |
| 41 | #include <sound/soc.h> |
Stephen Warren | 03f6743 | 2012-09-05 10:27:14 -0600 | [diff] [blame] | 42 | #include <sound/tegra_wm8903.h> |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 43 | |
Stephen Warren | 41b5f9b | 2011-02-10 15:37:16 -0700 | [diff] [blame] | 44 | #include "../codecs/wm8903.h" |
| 45 | |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 46 | #include "tegra_asoc_utils.h" |
| 47 | |
Stephen Warren | 7b33af2 | 2011-04-12 11:29:00 -0600 | [diff] [blame] | 48 | #define DRV_NAME "tegra-snd-wm8903" |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 49 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 50 | struct tegra_wm8903 { |
Stephen Warren | 07cdf36 | 2011-12-12 15:55:36 -0700 | [diff] [blame] | 51 | struct tegra_wm8903_platform_data pdata; |
Stephen Warren | d64e57c | 2011-01-28 14:26:40 -0700 | [diff] [blame] | 52 | struct tegra_asoc_utils_data util_data; |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 53 | }; |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 54 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 55 | static int tegra_wm8903_hw_params(struct snd_pcm_substream *substream, |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 56 | struct snd_pcm_hw_params *params) |
| 57 | { |
| 58 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| 59 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
Stephen Warren | 40db77a | 2012-06-06 17:15:49 -0600 | [diff] [blame] | 60 | struct snd_soc_codec *codec = codec_dai->codec; |
Stephen Warren | c244d47 | 2011-01-28 14:26:39 -0700 | [diff] [blame] | 61 | struct snd_soc_card *card = codec->card; |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 62 | struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card); |
Stephen Warren | 0754139 | 2011-04-19 15:25:09 -0600 | [diff] [blame] | 63 | int srate, mclk; |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 64 | int err; |
| 65 | |
| 66 | srate = params_rate(params); |
| 67 | switch (srate) { |
| 68 | case 64000: |
| 69 | case 88200: |
| 70 | case 96000: |
| 71 | mclk = 128 * srate; |
| 72 | break; |
| 73 | default: |
| 74 | mclk = 256 * srate; |
| 75 | break; |
| 76 | } |
| 77 | /* FIXME: Codec only requires >= 3MHz if OSR==0 */ |
| 78 | while (mclk < 6000000) |
| 79 | mclk *= 2; |
| 80 | |
Stephen Warren | 0754139 | 2011-04-19 15:25:09 -0600 | [diff] [blame] | 81 | err = tegra_asoc_utils_set_rate(&machine->util_data, srate, mclk); |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 82 | if (err < 0) { |
Stephen Warren | c244d47 | 2011-01-28 14:26:39 -0700 | [diff] [blame] | 83 | dev_err(card->dev, "Can't configure clocks\n"); |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 84 | return err; |
| 85 | } |
| 86 | |
Stephen Warren | 0754139 | 2011-04-19 15:25:09 -0600 | [diff] [blame] | 87 | err = snd_soc_dai_set_sysclk(codec_dai, 0, mclk, |
| 88 | SND_SOC_CLOCK_IN); |
| 89 | if (err < 0) { |
| 90 | dev_err(card->dev, "codec_dai clock not set\n"); |
| 91 | return err; |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 92 | } |
| 93 | |
| 94 | return 0; |
| 95 | } |
| 96 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 97 | static struct snd_soc_ops tegra_wm8903_ops = { |
| 98 | .hw_params = tegra_wm8903_hw_params, |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 99 | }; |
| 100 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 101 | static struct snd_soc_jack tegra_wm8903_hp_jack; |
Stephen Warren | f7d3e40 | 2011-02-03 13:56:13 -0700 | [diff] [blame] | 102 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 103 | static struct snd_soc_jack_pin tegra_wm8903_hp_jack_pins[] = { |
Stephen Warren | f7d3e40 | 2011-02-03 13:56:13 -0700 | [diff] [blame] | 104 | { |
| 105 | .pin = "Headphone Jack", |
| 106 | .mask = SND_JACK_HEADPHONE, |
| 107 | }, |
| 108 | }; |
| 109 | |
Stephen Warren | 3eb25f9 | 2011-04-12 11:40:38 -0600 | [diff] [blame] | 110 | static struct snd_soc_jack_gpio tegra_wm8903_hp_jack_gpio = { |
| 111 | .name = "headphone detect", |
| 112 | .report = SND_JACK_HEADPHONE, |
| 113 | .debounce_time = 150, |
| 114 | .invert = 1, |
Stephen Warren | f7d3e40 | 2011-02-03 13:56:13 -0700 | [diff] [blame] | 115 | }; |
| 116 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 117 | static struct snd_soc_jack tegra_wm8903_mic_jack; |
Stephen Warren | 41b5f9b | 2011-02-10 15:37:16 -0700 | [diff] [blame] | 118 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 119 | static struct snd_soc_jack_pin tegra_wm8903_mic_jack_pins[] = { |
Stephen Warren | 41b5f9b | 2011-02-10 15:37:16 -0700 | [diff] [blame] | 120 | { |
| 121 | .pin = "Mic Jack", |
| 122 | .mask = SND_JACK_MICROPHONE, |
| 123 | }, |
| 124 | }; |
| 125 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 126 | static int tegra_wm8903_event_int_spk(struct snd_soc_dapm_widget *w, |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 127 | struct snd_kcontrol *k, int event) |
| 128 | { |
Stephen Warren | a32955d | 2011-04-19 15:25:10 -0600 | [diff] [blame] | 129 | struct snd_soc_dapm_context *dapm = w->dapm; |
| 130 | struct snd_soc_card *card = dapm->card; |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 131 | struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card); |
Stephen Warren | 07cdf36 | 2011-12-12 15:55:36 -0700 | [diff] [blame] | 132 | struct tegra_wm8903_platform_data *pdata = &machine->pdata; |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 133 | |
Stephen Warren | 14df415 | 2012-05-22 16:08:53 -0600 | [diff] [blame] | 134 | if (!gpio_is_valid(pdata->gpio_spkr_en)) |
Stephen Warren | 773b1d3 | 2011-04-12 11:40:39 -0600 | [diff] [blame] | 135 | return 0; |
| 136 | |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 137 | gpio_set_value_cansleep(pdata->gpio_spkr_en, |
Stephen Warren | f9eabc3 | 2011-01-31 11:00:17 -0700 | [diff] [blame] | 138 | SND_SOC_DAPM_EVENT_ON(event)); |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 139 | |
| 140 | return 0; |
| 141 | } |
| 142 | |
Stephen Warren | 773b1d3 | 2011-04-12 11:40:39 -0600 | [diff] [blame] | 143 | static int tegra_wm8903_event_hp(struct snd_soc_dapm_widget *w, |
| 144 | struct snd_kcontrol *k, int event) |
| 145 | { |
Stephen Warren | a32955d | 2011-04-19 15:25:10 -0600 | [diff] [blame] | 146 | struct snd_soc_dapm_context *dapm = w->dapm; |
| 147 | struct snd_soc_card *card = dapm->card; |
Stephen Warren | 773b1d3 | 2011-04-12 11:40:39 -0600 | [diff] [blame] | 148 | struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card); |
Stephen Warren | 07cdf36 | 2011-12-12 15:55:36 -0700 | [diff] [blame] | 149 | struct tegra_wm8903_platform_data *pdata = &machine->pdata; |
Stephen Warren | 773b1d3 | 2011-04-12 11:40:39 -0600 | [diff] [blame] | 150 | |
Stephen Warren | 14df415 | 2012-05-22 16:08:53 -0600 | [diff] [blame] | 151 | if (!gpio_is_valid(pdata->gpio_hp_mute)) |
Stephen Warren | 773b1d3 | 2011-04-12 11:40:39 -0600 | [diff] [blame] | 152 | return 0; |
| 153 | |
| 154 | gpio_set_value_cansleep(pdata->gpio_hp_mute, |
| 155 | !SND_SOC_DAPM_EVENT_ON(event)); |
| 156 | |
| 157 | return 0; |
| 158 | } |
| 159 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 160 | static const struct snd_soc_dapm_widget tegra_wm8903_dapm_widgets[] = { |
| 161 | SND_SOC_DAPM_SPK("Int Spk", tegra_wm8903_event_int_spk), |
Stephen Warren | 773b1d3 | 2011-04-12 11:40:39 -0600 | [diff] [blame] | 162 | SND_SOC_DAPM_HP("Headphone Jack", tegra_wm8903_event_hp), |
Stephen Warren | 62ffac4 | 2011-01-13 15:22:08 -0700 | [diff] [blame] | 163 | SND_SOC_DAPM_MIC("Mic Jack", NULL), |
| 164 | }; |
| 165 | |
| 166 | static const struct snd_soc_dapm_route harmony_audio_map[] = { |
| 167 | {"Headphone Jack", NULL, "HPOUTR"}, |
| 168 | {"Headphone Jack", NULL, "HPOUTL"}, |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 169 | {"Int Spk", NULL, "ROP"}, |
| 170 | {"Int Spk", NULL, "RON"}, |
| 171 | {"Int Spk", NULL, "LOP"}, |
| 172 | {"Int Spk", NULL, "LON"}, |
Mark Brown | 5032dc3 | 2011-11-27 12:20:08 +0000 | [diff] [blame] | 173 | {"Mic Jack", NULL, "MICBIAS"}, |
| 174 | {"IN1L", NULL, "Mic Jack"}, |
Stephen Warren | 62ffac4 | 2011-01-13 15:22:08 -0700 | [diff] [blame] | 175 | }; |
| 176 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 177 | static const struct snd_kcontrol_new tegra_wm8903_controls[] = { |
Stephen Warren | 3d8bc39 | 2011-02-03 13:56:14 -0700 | [diff] [blame] | 178 | SOC_DAPM_PIN_SWITCH("Int Spk"), |
| 179 | }; |
| 180 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 181 | static int tegra_wm8903_init(struct snd_soc_pcm_runtime *rtd) |
Stephen Warren | 62ffac4 | 2011-01-13 15:22:08 -0700 | [diff] [blame] | 182 | { |
Stephen Warren | 40db77a | 2012-06-06 17:15:49 -0600 | [diff] [blame] | 183 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
| 184 | struct snd_soc_codec *codec = codec_dai->codec; |
Stephen Warren | 62ffac4 | 2011-01-13 15:22:08 -0700 | [diff] [blame] | 185 | struct snd_soc_dapm_context *dapm = &codec->dapm; |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 186 | struct snd_soc_card *card = codec->card; |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 187 | struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card); |
Stephen Warren | 07cdf36 | 2011-12-12 15:55:36 -0700 | [diff] [blame] | 188 | struct tegra_wm8903_platform_data *pdata = &machine->pdata; |
Stephen Warren | bf1b132 | 2011-02-10 15:37:18 -0700 | [diff] [blame] | 189 | |
Stephen Warren | 773b1d3 | 2011-04-12 11:40:39 -0600 | [diff] [blame] | 190 | if (gpio_is_valid(pdata->gpio_hp_det)) { |
| 191 | tegra_wm8903_hp_jack_gpio.gpio = pdata->gpio_hp_det; |
| 192 | snd_soc_jack_new(codec, "Headphone Jack", SND_JACK_HEADPHONE, |
| 193 | &tegra_wm8903_hp_jack); |
| 194 | snd_soc_jack_add_pins(&tegra_wm8903_hp_jack, |
| 195 | ARRAY_SIZE(tegra_wm8903_hp_jack_pins), |
| 196 | tegra_wm8903_hp_jack_pins); |
| 197 | snd_soc_jack_add_gpios(&tegra_wm8903_hp_jack, |
| 198 | 1, |
| 199 | &tegra_wm8903_hp_jack_gpio); |
| 200 | } |
Stephen Warren | f7d3e40 | 2011-02-03 13:56:13 -0700 | [diff] [blame] | 201 | |
Stephen Warren | 41b5f9b | 2011-02-10 15:37:16 -0700 | [diff] [blame] | 202 | snd_soc_jack_new(codec, "Mic Jack", SND_JACK_MICROPHONE, |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 203 | &tegra_wm8903_mic_jack); |
| 204 | snd_soc_jack_add_pins(&tegra_wm8903_mic_jack, |
| 205 | ARRAY_SIZE(tegra_wm8903_mic_jack_pins), |
| 206 | tegra_wm8903_mic_jack_pins); |
| 207 | wm8903_mic_detect(codec, &tegra_wm8903_mic_jack, SND_JACK_MICROPHONE, |
| 208 | 0); |
Stephen Warren | 41b5f9b | 2011-02-10 15:37:16 -0700 | [diff] [blame] | 209 | |
Mark Brown | 5032dc3 | 2011-11-27 12:20:08 +0000 | [diff] [blame] | 210 | snd_soc_dapm_force_enable_pin(dapm, "MICBIAS"); |
Stephen Warren | 41b5f9b | 2011-02-10 15:37:16 -0700 | [diff] [blame] | 211 | |
Stephen Warren | 62ffac4 | 2011-01-13 15:22:08 -0700 | [diff] [blame] | 212 | return 0; |
| 213 | } |
| 214 | |
Stephen Warren | 3419ae7 | 2012-06-11 11:27:19 -0600 | [diff] [blame] | 215 | static int tegra_wm8903_remove(struct snd_soc_card *card) |
| 216 | { |
| 217 | struct snd_soc_pcm_runtime *rtd = &(card->rtd[0]); |
| 218 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
| 219 | struct snd_soc_codec *codec = codec_dai->codec; |
| 220 | |
| 221 | wm8903_mic_detect(codec, NULL, 0, 0); |
| 222 | |
| 223 | return 0; |
| 224 | } |
| 225 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 226 | static struct snd_soc_dai_link tegra_wm8903_dai = { |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 227 | .name = "WM8903", |
| 228 | .stream_name = "WM8903 PCM", |
Mark Brown | 4b592c9 | 2011-02-09 13:47:06 +0000 | [diff] [blame] | 229 | .codec_name = "wm8903.0-001a", |
Stephen Warren | 896637a | 2012-04-06 10:30:52 -0600 | [diff] [blame] | 230 | .platform_name = "tegra20-i2s.0", |
| 231 | .cpu_dai_name = "tegra20-i2s.0", |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 232 | .codec_dai_name = "wm8903-hifi", |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 233 | .init = tegra_wm8903_init, |
| 234 | .ops = &tegra_wm8903_ops, |
Stephen Warren | 408dafc | 2012-06-06 17:15:48 -0600 | [diff] [blame] | 235 | .dai_fmt = SND_SOC_DAIFMT_I2S | |
| 236 | SND_SOC_DAIFMT_NB_NF | |
| 237 | SND_SOC_DAIFMT_CBS_CFS, |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 238 | }; |
| 239 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 240 | static struct snd_soc_card snd_soc_tegra_wm8903 = { |
| 241 | .name = "tegra-wm8903", |
Axel Lin | b16eaf9 | 2011-12-22 21:23:01 +0800 | [diff] [blame] | 242 | .owner = THIS_MODULE, |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 243 | .dai_link = &tegra_wm8903_dai, |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 244 | .num_links = 1, |
Stephen Warren | dea8b6e | 2011-04-19 15:25:12 -0600 | [diff] [blame] | 245 | |
Stephen Warren | 3419ae7 | 2012-06-11 11:27:19 -0600 | [diff] [blame] | 246 | .remove = tegra_wm8903_remove, |
| 247 | |
Stephen Warren | dea8b6e | 2011-04-19 15:25:12 -0600 | [diff] [blame] | 248 | .controls = tegra_wm8903_controls, |
| 249 | .num_controls = ARRAY_SIZE(tegra_wm8903_controls), |
| 250 | .dapm_widgets = tegra_wm8903_dapm_widgets, |
| 251 | .num_dapm_widgets = ARRAY_SIZE(tegra_wm8903_dapm_widgets), |
Stephen Warren | 6e5fdba | 2011-11-23 12:42:05 -0700 | [diff] [blame] | 252 | .fully_routed = true, |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 253 | }; |
| 254 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 255 | static __devinit int tegra_wm8903_driver_probe(struct platform_device *pdev) |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 256 | { |
Stephen Warren | f51022f | 2012-05-22 16:08:54 -0600 | [diff] [blame] | 257 | struct device_node *np = pdev->dev.of_node; |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 258 | struct snd_soc_card *card = &snd_soc_tegra_wm8903; |
| 259 | struct tegra_wm8903 *machine; |
Stephen Warren | f51022f | 2012-05-22 16:08:54 -0600 | [diff] [blame] | 260 | struct tegra_wm8903_platform_data *pdata; |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 261 | int ret; |
| 262 | |
Stephen Warren | 07cdf36 | 2011-12-12 15:55:36 -0700 | [diff] [blame] | 263 | if (!pdev->dev.platform_data && !pdev->dev.of_node) { |
Stephen Warren | 773b1d3 | 2011-04-12 11:40:39 -0600 | [diff] [blame] | 264 | dev_err(&pdev->dev, "No platform data supplied\n"); |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 265 | return -EINVAL; |
| 266 | } |
| 267 | |
Stephen Warren | e4e4c18 | 2011-11-22 18:21:20 -0700 | [diff] [blame] | 268 | machine = devm_kzalloc(&pdev->dev, sizeof(struct tegra_wm8903), |
| 269 | GFP_KERNEL); |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 270 | if (!machine) { |
| 271 | dev_err(&pdev->dev, "Can't allocate tegra_wm8903 struct\n"); |
Stephen Warren | e4e4c18 | 2011-11-22 18:21:20 -0700 | [diff] [blame] | 272 | ret = -ENOMEM; |
| 273 | goto err; |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 274 | } |
Stephen Warren | f51022f | 2012-05-22 16:08:54 -0600 | [diff] [blame] | 275 | pdata = &machine->pdata; |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 276 | |
| 277 | card->dev = &pdev->dev; |
| 278 | platform_set_drvdata(pdev, card); |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 279 | snd_soc_card_set_drvdata(card, machine); |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 280 | |
Stephen Warren | f51022f | 2012-05-22 16:08:54 -0600 | [diff] [blame] | 281 | if (pdev->dev.platform_data) { |
| 282 | memcpy(pdata, card->dev->platform_data, sizeof(*pdata)); |
| 283 | } else if (np) { |
| 284 | pdata->gpio_spkr_en = of_get_named_gpio(np, |
| 285 | "nvidia,spkr-en-gpios", 0); |
Roland Stigge | 0a88f1f | 2012-06-18 18:42:21 +0200 | [diff] [blame] | 286 | if (pdata->gpio_spkr_en == -EPROBE_DEFER) |
Stephen Warren | f51022f | 2012-05-22 16:08:54 -0600 | [diff] [blame] | 287 | return -EPROBE_DEFER; |
| 288 | |
| 289 | pdata->gpio_hp_mute = of_get_named_gpio(np, |
| 290 | "nvidia,hp-mute-gpios", 0); |
Roland Stigge | 0a88f1f | 2012-06-18 18:42:21 +0200 | [diff] [blame] | 291 | if (pdata->gpio_hp_mute == -EPROBE_DEFER) |
Stephen Warren | f51022f | 2012-05-22 16:08:54 -0600 | [diff] [blame] | 292 | return -EPROBE_DEFER; |
| 293 | |
| 294 | pdata->gpio_hp_det = of_get_named_gpio(np, |
| 295 | "nvidia,hp-det-gpios", 0); |
Roland Stigge | 0a88f1f | 2012-06-18 18:42:21 +0200 | [diff] [blame] | 296 | if (pdata->gpio_hp_det == -EPROBE_DEFER) |
Stephen Warren | f51022f | 2012-05-22 16:08:54 -0600 | [diff] [blame] | 297 | return -EPROBE_DEFER; |
| 298 | |
| 299 | pdata->gpio_int_mic_en = of_get_named_gpio(np, |
| 300 | "nvidia,int-mic-en-gpios", 0); |
Roland Stigge | 0a88f1f | 2012-06-18 18:42:21 +0200 | [diff] [blame] | 301 | if (pdata->gpio_int_mic_en == -EPROBE_DEFER) |
Stephen Warren | f51022f | 2012-05-22 16:08:54 -0600 | [diff] [blame] | 302 | return -EPROBE_DEFER; |
| 303 | |
| 304 | pdata->gpio_ext_mic_en = of_get_named_gpio(np, |
| 305 | "nvidia,ext-mic-en-gpios", 0); |
Roland Stigge | 0a88f1f | 2012-06-18 18:42:21 +0200 | [diff] [blame] | 306 | if (pdata->gpio_ext_mic_en == -EPROBE_DEFER) |
Stephen Warren | f51022f | 2012-05-22 16:08:54 -0600 | [diff] [blame] | 307 | return -EPROBE_DEFER; |
| 308 | } |
| 309 | |
| 310 | if (np) { |
Stephen Warren | 07cdf36 | 2011-12-12 15:55:36 -0700 | [diff] [blame] | 311 | ret = snd_soc_of_parse_card_name(card, "nvidia,model"); |
| 312 | if (ret) |
| 313 | goto err; |
| 314 | |
| 315 | ret = snd_soc_of_parse_audio_routing(card, |
| 316 | "nvidia,audio-routing"); |
| 317 | if (ret) |
| 318 | goto err; |
| 319 | |
| 320 | tegra_wm8903_dai.codec_name = NULL; |
Stephen Warren | f51022f | 2012-05-22 16:08:54 -0600 | [diff] [blame] | 321 | tegra_wm8903_dai.codec_of_node = of_parse_phandle(np, |
| 322 | "nvidia,audio-codec", 0); |
Stephen Warren | 07cdf36 | 2011-12-12 15:55:36 -0700 | [diff] [blame] | 323 | if (!tegra_wm8903_dai.codec_of_node) { |
| 324 | dev_err(&pdev->dev, |
| 325 | "Property 'nvidia,audio-codec' missing or invalid\n"); |
| 326 | ret = -EINVAL; |
| 327 | goto err; |
| 328 | } |
| 329 | |
| 330 | tegra_wm8903_dai.cpu_dai_name = NULL; |
Stephen Warren | bc92657 | 2012-05-25 18:22:11 -0600 | [diff] [blame] | 331 | tegra_wm8903_dai.cpu_of_node = of_parse_phandle(np, |
Stephen Warren | f51022f | 2012-05-22 16:08:54 -0600 | [diff] [blame] | 332 | "nvidia,i2s-controller", 0); |
Stephen Warren | bc92657 | 2012-05-25 18:22:11 -0600 | [diff] [blame] | 333 | if (!tegra_wm8903_dai.cpu_of_node) { |
Stephen Warren | 07cdf36 | 2011-12-12 15:55:36 -0700 | [diff] [blame] | 334 | dev_err(&pdev->dev, |
| 335 | "Property 'nvidia,i2s-controller' missing or invalid\n"); |
| 336 | ret = -EINVAL; |
| 337 | goto err; |
| 338 | } |
| 339 | |
Stephen Warren | 518de86 | 2012-03-20 14:55:49 -0600 | [diff] [blame] | 340 | tegra_wm8903_dai.platform_name = NULL; |
| 341 | tegra_wm8903_dai.platform_of_node = |
Stephen Warren | bc92657 | 2012-05-25 18:22:11 -0600 | [diff] [blame] | 342 | tegra_wm8903_dai.cpu_of_node; |
Stephen Warren | dea8b6e | 2011-04-19 15:25:12 -0600 | [diff] [blame] | 343 | } else { |
Stephen Warren | b350ecb | 2012-05-22 16:11:19 -0600 | [diff] [blame] | 344 | card->dapm_routes = harmony_audio_map; |
| 345 | card->num_dapm_routes = ARRAY_SIZE(harmony_audio_map); |
Stephen Warren | dea8b6e | 2011-04-19 15:25:12 -0600 | [diff] [blame] | 346 | } |
| 347 | |
Stephen Warren | f51022f | 2012-05-22 16:08:54 -0600 | [diff] [blame] | 348 | if (gpio_is_valid(pdata->gpio_spkr_en)) { |
Stephen Warren | e2d287c | 2012-05-22 16:08:55 -0600 | [diff] [blame] | 349 | ret = devm_gpio_request_one(&pdev->dev, pdata->gpio_spkr_en, |
| 350 | GPIOF_OUT_INIT_LOW, "spkr_en"); |
Stephen Warren | f51022f | 2012-05-22 16:08:54 -0600 | [diff] [blame] | 351 | if (ret) { |
| 352 | dev_err(card->dev, "cannot get spkr_en gpio\n"); |
| 353 | return ret; |
| 354 | } |
Stephen Warren | f51022f | 2012-05-22 16:08:54 -0600 | [diff] [blame] | 355 | } |
| 356 | |
| 357 | if (gpio_is_valid(pdata->gpio_hp_mute)) { |
Stephen Warren | e2d287c | 2012-05-22 16:08:55 -0600 | [diff] [blame] | 358 | ret = devm_gpio_request_one(&pdev->dev, pdata->gpio_hp_mute, |
| 359 | GPIOF_OUT_INIT_HIGH, "hp_mute"); |
Stephen Warren | f51022f | 2012-05-22 16:08:54 -0600 | [diff] [blame] | 360 | if (ret) { |
| 361 | dev_err(card->dev, "cannot get hp_mute gpio\n"); |
| 362 | return ret; |
| 363 | } |
Stephen Warren | f51022f | 2012-05-22 16:08:54 -0600 | [diff] [blame] | 364 | } |
| 365 | |
| 366 | if (gpio_is_valid(pdata->gpio_int_mic_en)) { |
Stephen Warren | e2d287c | 2012-05-22 16:08:55 -0600 | [diff] [blame] | 367 | /* Disable int mic; enable signal is active-high */ |
| 368 | ret = devm_gpio_request_one(&pdev->dev, pdata->gpio_int_mic_en, |
| 369 | GPIOF_OUT_INIT_LOW, "int_mic_en"); |
Stephen Warren | f51022f | 2012-05-22 16:08:54 -0600 | [diff] [blame] | 370 | if (ret) { |
| 371 | dev_err(card->dev, "cannot get int_mic_en gpio\n"); |
| 372 | return ret; |
| 373 | } |
Stephen Warren | f51022f | 2012-05-22 16:08:54 -0600 | [diff] [blame] | 374 | } |
| 375 | |
| 376 | if (gpio_is_valid(pdata->gpio_ext_mic_en)) { |
Stephen Warren | e2d287c | 2012-05-22 16:08:55 -0600 | [diff] [blame] | 377 | /* Enable ext mic; enable signal is active-low */ |
| 378 | ret = devm_gpio_request_one(&pdev->dev, pdata->gpio_ext_mic_en, |
| 379 | GPIOF_OUT_INIT_LOW, "ext_mic_en"); |
Stephen Warren | f51022f | 2012-05-22 16:08:54 -0600 | [diff] [blame] | 380 | if (ret) { |
| 381 | dev_err(card->dev, "cannot get ext_mic_en gpio\n"); |
| 382 | return ret; |
| 383 | } |
Stephen Warren | f51022f | 2012-05-22 16:08:54 -0600 | [diff] [blame] | 384 | } |
| 385 | |
Stephen Warren | 07cdf36 | 2011-12-12 15:55:36 -0700 | [diff] [blame] | 386 | ret = tegra_asoc_utils_init(&machine->util_data, &pdev->dev); |
| 387 | if (ret) |
Stephen Warren | 518de86 | 2012-03-20 14:55:49 -0600 | [diff] [blame] | 388 | goto err; |
Stephen Warren | 07cdf36 | 2011-12-12 15:55:36 -0700 | [diff] [blame] | 389 | |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 390 | ret = snd_soc_register_card(card); |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 391 | if (ret) { |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 392 | dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 393 | ret); |
Stephen Warren | acb8303 | 2011-04-19 15:25:08 -0600 | [diff] [blame] | 394 | goto err_fini_utils; |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 395 | } |
| 396 | |
| 397 | return 0; |
| 398 | |
Stephen Warren | acb8303 | 2011-04-19 15:25:08 -0600 | [diff] [blame] | 399 | err_fini_utils: |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 400 | tegra_asoc_utils_fini(&machine->util_data); |
Stephen Warren | e4e4c18 | 2011-11-22 18:21:20 -0700 | [diff] [blame] | 401 | err: |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 402 | return ret; |
| 403 | } |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 404 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 405 | static int __devexit tegra_wm8903_driver_remove(struct platform_device *pdev) |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 406 | { |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 407 | struct snd_soc_card *card = platform_get_drvdata(pdev); |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 408 | struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card); |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 409 | |
Stephen Warren | e44fbbd | 2012-05-22 16:08:56 -0600 | [diff] [blame] | 410 | snd_soc_jack_free_gpios(&tegra_wm8903_hp_jack, 1, |
| 411 | &tegra_wm8903_hp_jack_gpio); |
Stephen Warren | 29591ed | 2011-08-04 16:44:43 -0600 | [diff] [blame] | 412 | |
| 413 | snd_soc_unregister_card(card); |
| 414 | |
| 415 | tegra_asoc_utils_fini(&machine->util_data); |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 416 | |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 417 | return 0; |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 418 | } |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 419 | |
Stephen Warren | 07cdf36 | 2011-12-12 15:55:36 -0700 | [diff] [blame] | 420 | static const struct of_device_id tegra_wm8903_of_match[] __devinitconst = { |
| 421 | { .compatible = "nvidia,tegra-audio-wm8903", }, |
| 422 | {}, |
| 423 | }; |
| 424 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 425 | static struct platform_driver tegra_wm8903_driver = { |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 426 | .driver = { |
| 427 | .name = DRV_NAME, |
| 428 | .owner = THIS_MODULE, |
Stephen Warren | deb2607 | 2011-04-05 19:35:30 -0600 | [diff] [blame] | 429 | .pm = &snd_soc_pm_ops, |
Stephen Warren | 07cdf36 | 2011-12-12 15:55:36 -0700 | [diff] [blame] | 430 | .of_match_table = tegra_wm8903_of_match, |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 431 | }, |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 432 | .probe = tegra_wm8903_driver_probe, |
| 433 | .remove = __devexit_p(tegra_wm8903_driver_remove), |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 434 | }; |
Stephen Warren | e4e4c18 | 2011-11-22 18:21:20 -0700 | [diff] [blame] | 435 | module_platform_driver(tegra_wm8903_driver); |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 436 | |
| 437 | MODULE_AUTHOR("Stephen Warren <swarren@nvidia.com>"); |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 438 | MODULE_DESCRIPTION("Tegra+WM8903 machine ASoC driver"); |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 439 | MODULE_LICENSE("GPL"); |
Stephen Warren | 8eb3420 | 2011-02-10 15:37:19 -0700 | [diff] [blame] | 440 | MODULE_ALIAS("platform:" DRV_NAME); |
Stephen Warren | 07cdf36 | 2011-12-12 15:55:36 -0700 | [diff] [blame] | 441 | MODULE_DEVICE_TABLE(of, tegra_wm8903_of_match); |