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 | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 5 | * Copyright (C) 2010-2011 - 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 | |
| 31 | #include <asm/mach-types.h> |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 32 | |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 33 | #include <linux/module.h> |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 34 | #include <linux/platform_device.h> |
| 35 | #include <linux/slab.h> |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 36 | #include <linux/gpio.h> |
| 37 | |
Stephen Warren | 4651d55 | 2011-04-12 11:28:59 -0600 | [diff] [blame] | 38 | #include <mach/tegra_wm8903_pdata.h> |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 39 | |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 40 | #include <sound/core.h> |
Stephen Warren | f7d3e40 | 2011-02-03 13:56:13 -0700 | [diff] [blame] | 41 | #include <sound/jack.h> |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 42 | #include <sound/pcm.h> |
| 43 | #include <sound/pcm_params.h> |
| 44 | #include <sound/soc.h> |
| 45 | |
Stephen Warren | 41b5f9b | 2011-02-10 15:37:16 -0700 | [diff] [blame] | 46 | #include "../codecs/wm8903.h" |
| 47 | |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 48 | #include "tegra_das.h" |
| 49 | #include "tegra_i2s.h" |
| 50 | #include "tegra_pcm.h" |
| 51 | #include "tegra_asoc_utils.h" |
| 52 | |
Stephen Warren | 7b33af2 | 2011-04-12 11:29:00 -0600 | [diff] [blame] | 53 | #define DRV_NAME "tegra-snd-wm8903" |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 54 | |
Stephen Warren | bf1b132 | 2011-02-10 15:37:18 -0700 | [diff] [blame] | 55 | #define GPIO_SPKR_EN BIT(0) |
| 56 | #define GPIO_INT_MIC_EN BIT(1) |
| 57 | #define GPIO_EXT_MIC_EN BIT(2) |
| 58 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 59 | struct tegra_wm8903 { |
Stephen Warren | d64e57c | 2011-01-28 14:26:40 -0700 | [diff] [blame] | 60 | struct tegra_asoc_utils_data util_data; |
Stephen Warren | 4651d55 | 2011-04-12 11:28:59 -0600 | [diff] [blame] | 61 | struct tegra_wm8903_platform_data *pdata; |
Stephen Warren | bf1b132 | 2011-02-10 15:37:18 -0700 | [diff] [blame] | 62 | int gpio_requested; |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 63 | }; |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 64 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 65 | static int tegra_wm8903_hw_params(struct snd_pcm_substream *substream, |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 66 | struct snd_pcm_hw_params *params) |
| 67 | { |
| 68 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| 69 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
| 70 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
Stephen Warren | c244d47 | 2011-01-28 14:26:39 -0700 | [diff] [blame] | 71 | struct snd_soc_codec *codec = rtd->codec; |
| 72 | struct snd_soc_card *card = codec->card; |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 73 | struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card); |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 74 | int srate, mclk, mclk_change; |
| 75 | int err; |
| 76 | |
| 77 | srate = params_rate(params); |
| 78 | switch (srate) { |
| 79 | case 64000: |
| 80 | case 88200: |
| 81 | case 96000: |
| 82 | mclk = 128 * srate; |
| 83 | break; |
| 84 | default: |
| 85 | mclk = 256 * srate; |
| 86 | break; |
| 87 | } |
| 88 | /* FIXME: Codec only requires >= 3MHz if OSR==0 */ |
| 89 | while (mclk < 6000000) |
| 90 | mclk *= 2; |
| 91 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 92 | err = tegra_asoc_utils_set_rate(&machine->util_data, srate, mclk, |
Stephen Warren | d64e57c | 2011-01-28 14:26:40 -0700 | [diff] [blame] | 93 | &mclk_change); |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 94 | if (err < 0) { |
Stephen Warren | c244d47 | 2011-01-28 14:26:39 -0700 | [diff] [blame] | 95 | dev_err(card->dev, "Can't configure clocks\n"); |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 96 | return err; |
| 97 | } |
| 98 | |
| 99 | err = snd_soc_dai_set_fmt(codec_dai, |
| 100 | SND_SOC_DAIFMT_I2S | |
| 101 | SND_SOC_DAIFMT_NB_NF | |
| 102 | SND_SOC_DAIFMT_CBS_CFS); |
| 103 | if (err < 0) { |
Stephen Warren | c244d47 | 2011-01-28 14:26:39 -0700 | [diff] [blame] | 104 | dev_err(card->dev, "codec_dai fmt not set\n"); |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 105 | return err; |
| 106 | } |
| 107 | |
| 108 | err = snd_soc_dai_set_fmt(cpu_dai, |
| 109 | SND_SOC_DAIFMT_I2S | |
| 110 | SND_SOC_DAIFMT_NB_NF | |
| 111 | SND_SOC_DAIFMT_CBS_CFS); |
| 112 | if (err < 0) { |
Stephen Warren | c244d47 | 2011-01-28 14:26:39 -0700 | [diff] [blame] | 113 | dev_err(card->dev, "cpu_dai fmt not set\n"); |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 114 | return err; |
| 115 | } |
| 116 | |
| 117 | if (mclk_change) { |
Stephen Warren | bc72fe0 | 2011-01-28 14:26:38 -0700 | [diff] [blame] | 118 | err = snd_soc_dai_set_sysclk(codec_dai, 0, mclk, |
| 119 | SND_SOC_CLOCK_IN); |
| 120 | if (err < 0) { |
Stephen Warren | c244d47 | 2011-01-28 14:26:39 -0700 | [diff] [blame] | 121 | dev_err(card->dev, "codec_dai clock not set\n"); |
Stephen Warren | bc72fe0 | 2011-01-28 14:26:38 -0700 | [diff] [blame] | 122 | return err; |
| 123 | } |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 124 | } |
| 125 | |
| 126 | return 0; |
| 127 | } |
| 128 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 129 | static struct snd_soc_ops tegra_wm8903_ops = { |
| 130 | .hw_params = tegra_wm8903_hw_params, |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 131 | }; |
| 132 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 133 | static struct snd_soc_jack tegra_wm8903_hp_jack; |
Stephen Warren | f7d3e40 | 2011-02-03 13:56:13 -0700 | [diff] [blame] | 134 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 135 | static struct snd_soc_jack_pin tegra_wm8903_hp_jack_pins[] = { |
Stephen Warren | f7d3e40 | 2011-02-03 13:56:13 -0700 | [diff] [blame] | 136 | { |
| 137 | .pin = "Headphone Jack", |
| 138 | .mask = SND_JACK_HEADPHONE, |
| 139 | }, |
| 140 | }; |
| 141 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 142 | static struct snd_soc_jack_gpio tegra_wm8903_hp_jack_gpios[] = { |
Stephen Warren | f7d3e40 | 2011-02-03 13:56:13 -0700 | [diff] [blame] | 143 | { |
| 144 | .name = "headphone detect", |
| 145 | .report = SND_JACK_HEADPHONE, |
| 146 | .debounce_time = 150, |
| 147 | .invert = 1, |
| 148 | } |
| 149 | }; |
| 150 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 151 | static struct snd_soc_jack tegra_wm8903_mic_jack; |
Stephen Warren | 41b5f9b | 2011-02-10 15:37:16 -0700 | [diff] [blame] | 152 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 153 | static struct snd_soc_jack_pin tegra_wm8903_mic_jack_pins[] = { |
Stephen Warren | 41b5f9b | 2011-02-10 15:37:16 -0700 | [diff] [blame] | 154 | { |
| 155 | .pin = "Mic Jack", |
| 156 | .mask = SND_JACK_MICROPHONE, |
| 157 | }, |
| 158 | }; |
| 159 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 160 | 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] | 161 | struct snd_kcontrol *k, int event) |
| 162 | { |
| 163 | struct snd_soc_codec *codec = w->codec; |
| 164 | struct snd_soc_card *card = codec->card; |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 165 | struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card); |
| 166 | struct tegra_wm8903_platform_data *pdata = machine->pdata; |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 167 | |
| 168 | gpio_set_value_cansleep(pdata->gpio_spkr_en, |
Stephen Warren | f9eabc3 | 2011-01-31 11:00:17 -0700 | [diff] [blame] | 169 | SND_SOC_DAPM_EVENT_ON(event)); |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 170 | |
| 171 | return 0; |
| 172 | } |
| 173 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 174 | static const struct snd_soc_dapm_widget tegra_wm8903_dapm_widgets[] = { |
| 175 | SND_SOC_DAPM_SPK("Int Spk", tegra_wm8903_event_int_spk), |
Stephen Warren | 62ffac4 | 2011-01-13 15:22:08 -0700 | [diff] [blame] | 176 | SND_SOC_DAPM_HP("Headphone Jack", NULL), |
| 177 | SND_SOC_DAPM_MIC("Mic Jack", NULL), |
| 178 | }; |
| 179 | |
| 180 | static const struct snd_soc_dapm_route harmony_audio_map[] = { |
| 181 | {"Headphone Jack", NULL, "HPOUTR"}, |
| 182 | {"Headphone Jack", NULL, "HPOUTL"}, |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 183 | {"Int Spk", NULL, "ROP"}, |
| 184 | {"Int Spk", NULL, "RON"}, |
| 185 | {"Int Spk", NULL, "LOP"}, |
| 186 | {"Int Spk", NULL, "LON"}, |
Stephen Warren | 62ffac4 | 2011-01-13 15:22:08 -0700 | [diff] [blame] | 187 | {"Mic Bias", NULL, "Mic Jack"}, |
| 188 | {"IN1L", NULL, "Mic Bias"}, |
| 189 | }; |
| 190 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 191 | static const struct snd_kcontrol_new tegra_wm8903_controls[] = { |
Stephen Warren | 3d8bc39 | 2011-02-03 13:56:14 -0700 | [diff] [blame] | 192 | SOC_DAPM_PIN_SWITCH("Int Spk"), |
| 193 | }; |
| 194 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 195 | static int tegra_wm8903_init(struct snd_soc_pcm_runtime *rtd) |
Stephen Warren | 62ffac4 | 2011-01-13 15:22:08 -0700 | [diff] [blame] | 196 | { |
| 197 | struct snd_soc_codec *codec = rtd->codec; |
| 198 | struct snd_soc_dapm_context *dapm = &codec->dapm; |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 199 | struct snd_soc_card *card = codec->card; |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 200 | struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card); |
| 201 | struct tegra_wm8903_platform_data *pdata = machine->pdata; |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 202 | int ret; |
| 203 | |
| 204 | ret = gpio_request(pdata->gpio_spkr_en, "spkr_en"); |
| 205 | if (ret) { |
| 206 | dev_err(card->dev, "cannot get spkr_en gpio\n"); |
| 207 | return ret; |
| 208 | } |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 209 | machine->gpio_requested |= GPIO_SPKR_EN; |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 210 | |
| 211 | gpio_direction_output(pdata->gpio_spkr_en, 0); |
Stephen Warren | 62ffac4 | 2011-01-13 15:22:08 -0700 | [diff] [blame] | 212 | |
Stephen Warren | bf1b132 | 2011-02-10 15:37:18 -0700 | [diff] [blame] | 213 | ret = gpio_request(pdata->gpio_int_mic_en, "int_mic_en"); |
| 214 | if (ret) { |
| 215 | dev_err(card->dev, "cannot get int_mic_en gpio\n"); |
| 216 | return ret; |
| 217 | } |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 218 | machine->gpio_requested |= GPIO_INT_MIC_EN; |
Stephen Warren | bf1b132 | 2011-02-10 15:37:18 -0700 | [diff] [blame] | 219 | |
| 220 | /* Disable int mic; enable signal is active-high */ |
| 221 | gpio_direction_output(pdata->gpio_int_mic_en, 0); |
| 222 | |
| 223 | ret = gpio_request(pdata->gpio_ext_mic_en, "ext_mic_en"); |
| 224 | if (ret) { |
| 225 | dev_err(card->dev, "cannot get ext_mic_en gpio\n"); |
| 226 | return ret; |
| 227 | } |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 228 | machine->gpio_requested |= GPIO_EXT_MIC_EN; |
Stephen Warren | bf1b132 | 2011-02-10 15:37:18 -0700 | [diff] [blame] | 229 | |
| 230 | /* Enable ext mic; enable signal is active-low */ |
| 231 | gpio_direction_output(pdata->gpio_ext_mic_en, 0); |
| 232 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 233 | ret = snd_soc_add_controls(codec, tegra_wm8903_controls, |
| 234 | ARRAY_SIZE(tegra_wm8903_controls)); |
Stephen Warren | 3d8bc39 | 2011-02-03 13:56:14 -0700 | [diff] [blame] | 235 | if (ret < 0) |
| 236 | return ret; |
| 237 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 238 | snd_soc_dapm_new_controls(dapm, tegra_wm8903_dapm_widgets, |
| 239 | ARRAY_SIZE(tegra_wm8903_dapm_widgets)); |
Stephen Warren | 62ffac4 | 2011-01-13 15:22:08 -0700 | [diff] [blame] | 240 | |
| 241 | snd_soc_dapm_add_routes(dapm, harmony_audio_map, |
| 242 | ARRAY_SIZE(harmony_audio_map)); |
| 243 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 244 | tegra_wm8903_hp_jack_gpios[0].gpio = pdata->gpio_hp_det; |
Stephen Warren | f7d3e40 | 2011-02-03 13:56:13 -0700 | [diff] [blame] | 245 | snd_soc_jack_new(codec, "Headphone Jack", SND_JACK_HEADPHONE, |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 246 | &tegra_wm8903_hp_jack); |
| 247 | snd_soc_jack_add_pins(&tegra_wm8903_hp_jack, |
| 248 | ARRAY_SIZE(tegra_wm8903_hp_jack_pins), |
| 249 | tegra_wm8903_hp_jack_pins); |
| 250 | snd_soc_jack_add_gpios(&tegra_wm8903_hp_jack, |
| 251 | ARRAY_SIZE(tegra_wm8903_hp_jack_gpios), |
| 252 | tegra_wm8903_hp_jack_gpios); |
Stephen Warren | f7d3e40 | 2011-02-03 13:56:13 -0700 | [diff] [blame] | 253 | |
Stephen Warren | 41b5f9b | 2011-02-10 15:37:16 -0700 | [diff] [blame] | 254 | snd_soc_jack_new(codec, "Mic Jack", SND_JACK_MICROPHONE, |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 255 | &tegra_wm8903_mic_jack); |
| 256 | snd_soc_jack_add_pins(&tegra_wm8903_mic_jack, |
| 257 | ARRAY_SIZE(tegra_wm8903_mic_jack_pins), |
| 258 | tegra_wm8903_mic_jack_pins); |
| 259 | wm8903_mic_detect(codec, &tegra_wm8903_mic_jack, SND_JACK_MICROPHONE, |
| 260 | 0); |
Stephen Warren | 41b5f9b | 2011-02-10 15:37:16 -0700 | [diff] [blame] | 261 | |
| 262 | snd_soc_dapm_force_enable_pin(dapm, "Mic Bias"); |
| 263 | |
Stephen Warren | 0d6cdca | 2011-02-10 15:37:17 -0700 | [diff] [blame] | 264 | snd_soc_dapm_nc_pin(dapm, "IN3L"); |
| 265 | snd_soc_dapm_nc_pin(dapm, "IN3R"); |
| 266 | snd_soc_dapm_nc_pin(dapm, "LINEOUTL"); |
| 267 | snd_soc_dapm_nc_pin(dapm, "LINEOUTR"); |
| 268 | |
Stephen Warren | 41b5f9b | 2011-02-10 15:37:16 -0700 | [diff] [blame] | 269 | snd_soc_dapm_sync(dapm); |
| 270 | |
Stephen Warren | 62ffac4 | 2011-01-13 15:22:08 -0700 | [diff] [blame] | 271 | return 0; |
| 272 | } |
| 273 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 274 | static struct snd_soc_dai_link tegra_wm8903_dai = { |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 275 | .name = "WM8903", |
| 276 | .stream_name = "WM8903 PCM", |
Mark Brown | 4b592c9 | 2011-02-09 13:47:06 +0000 | [diff] [blame] | 277 | .codec_name = "wm8903.0-001a", |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 278 | .platform_name = "tegra-pcm-audio", |
| 279 | .cpu_dai_name = "tegra-i2s.0", |
| 280 | .codec_dai_name = "wm8903-hifi", |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 281 | .init = tegra_wm8903_init, |
| 282 | .ops = &tegra_wm8903_ops, |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 283 | }; |
| 284 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 285 | static struct snd_soc_card snd_soc_tegra_wm8903 = { |
| 286 | .name = "tegra-wm8903", |
| 287 | .dai_link = &tegra_wm8903_dai, |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 288 | .num_links = 1, |
| 289 | }; |
| 290 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 291 | static __devinit int tegra_wm8903_driver_probe(struct platform_device *pdev) |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 292 | { |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 293 | struct snd_soc_card *card = &snd_soc_tegra_wm8903; |
| 294 | struct tegra_wm8903 *machine; |
Stephen Warren | 4651d55 | 2011-04-12 11:28:59 -0600 | [diff] [blame] | 295 | struct tegra_wm8903_platform_data *pdata; |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 296 | int ret; |
| 297 | |
| 298 | if (!machine_is_harmony()) { |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 299 | dev_err(&pdev->dev, "Not running on Tegra Harmony!\n"); |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 300 | return -ENODEV; |
| 301 | } |
| 302 | |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 303 | pdata = pdev->dev.platform_data; |
| 304 | if (!pdata) { |
| 305 | dev_err(&pdev->dev, "no platform data supplied\n"); |
| 306 | return -EINVAL; |
| 307 | } |
| 308 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 309 | machine = kzalloc(sizeof(struct tegra_wm8903), GFP_KERNEL); |
| 310 | if (!machine) { |
| 311 | dev_err(&pdev->dev, "Can't allocate tegra_wm8903 struct\n"); |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 312 | return -ENOMEM; |
| 313 | } |
| 314 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 315 | machine->pdata = pdata; |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 316 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 317 | ret = tegra_asoc_utils_init(&machine->util_data, &pdev->dev); |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 318 | if (ret) |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 319 | goto err_free_machine; |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 320 | |
| 321 | card->dev = &pdev->dev; |
| 322 | platform_set_drvdata(pdev, card); |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 323 | snd_soc_card_set_drvdata(card, machine); |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 324 | |
| 325 | ret = snd_soc_register_card(card); |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 326 | if (ret) { |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 327 | dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 328 | ret); |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 329 | goto err_clear_drvdata; |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 330 | } |
| 331 | |
| 332 | return 0; |
| 333 | |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 334 | err_clear_drvdata: |
| 335 | snd_soc_card_set_drvdata(card, NULL); |
| 336 | platform_set_drvdata(pdev, NULL); |
| 337 | card->dev = NULL; |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 338 | tegra_asoc_utils_fini(&machine->util_data); |
| 339 | err_free_machine: |
| 340 | kfree(machine); |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 341 | return ret; |
| 342 | } |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 343 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 344 | static int __devexit tegra_wm8903_driver_remove(struct platform_device *pdev) |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 345 | { |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 346 | struct snd_soc_card *card = platform_get_drvdata(pdev); |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 347 | struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card); |
| 348 | struct tegra_wm8903_platform_data *pdata = machine->pdata; |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 349 | |
| 350 | snd_soc_unregister_card(card); |
| 351 | |
| 352 | snd_soc_card_set_drvdata(card, NULL); |
| 353 | platform_set_drvdata(pdev, NULL); |
| 354 | card->dev = NULL; |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 355 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 356 | tegra_asoc_utils_fini(&machine->util_data); |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 357 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 358 | if (machine->gpio_requested & GPIO_EXT_MIC_EN) |
Stephen Warren | bf1b132 | 2011-02-10 15:37:18 -0700 | [diff] [blame] | 359 | gpio_free(pdata->gpio_ext_mic_en); |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 360 | if (machine->gpio_requested & GPIO_INT_MIC_EN) |
Stephen Warren | bf1b132 | 2011-02-10 15:37:18 -0700 | [diff] [blame] | 361 | gpio_free(pdata->gpio_int_mic_en); |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 362 | if (machine->gpio_requested & GPIO_SPKR_EN) |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 363 | gpio_free(pdata->gpio_spkr_en); |
| 364 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 365 | kfree(machine); |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 366 | |
| 367 | return 0; |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 368 | } |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 369 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 370 | static struct platform_driver tegra_wm8903_driver = { |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 371 | .driver = { |
| 372 | .name = DRV_NAME, |
| 373 | .owner = THIS_MODULE, |
Stephen Warren | deb2607 | 2011-04-05 19:35:30 -0600 | [diff] [blame] | 374 | .pm = &snd_soc_pm_ops, |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 375 | }, |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 376 | .probe = tegra_wm8903_driver_probe, |
| 377 | .remove = __devexit_p(tegra_wm8903_driver_remove), |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 378 | }; |
| 379 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 380 | static int __init tegra_wm8903_modinit(void) |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 381 | { |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 382 | return platform_driver_register(&tegra_wm8903_driver); |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 383 | } |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 384 | module_init(tegra_wm8903_modinit); |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 385 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 386 | static void __exit tegra_wm8903_modexit(void) |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 387 | { |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 388 | platform_driver_unregister(&tegra_wm8903_driver); |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 389 | } |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 390 | module_exit(tegra_wm8903_modexit); |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 391 | |
| 392 | MODULE_AUTHOR("Stephen Warren <swarren@nvidia.com>"); |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 393 | MODULE_DESCRIPTION("Tegra+WM8903 machine ASoC driver"); |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 394 | MODULE_LICENSE("GPL"); |
Stephen Warren | 8eb3420 | 2011-02-10 15:37:19 -0700 | [diff] [blame] | 395 | MODULE_ALIAS("platform:" DRV_NAME); |