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 | |
| 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> |
Stephen Warren | 07cdf36 | 2011-12-12 15:55:36 -0700 | [diff] [blame] | 37 | #include <linux/of_gpio.h> |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 38 | |
Stephen Warren | 4651d55 | 2011-04-12 11:28:59 -0600 | [diff] [blame] | 39 | #include <mach/tegra_wm8903_pdata.h> |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 40 | |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 41 | #include <sound/core.h> |
Stephen Warren | f7d3e40 | 2011-02-03 13:56:13 -0700 | [diff] [blame] | 42 | #include <sound/jack.h> |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 43 | #include <sound/pcm.h> |
| 44 | #include <sound/pcm_params.h> |
| 45 | #include <sound/soc.h> |
| 46 | |
Stephen Warren | 41b5f9b | 2011-02-10 15:37:16 -0700 | [diff] [blame] | 47 | #include "../codecs/wm8903.h" |
| 48 | |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 49 | #include "tegra_das.h" |
| 50 | #include "tegra_i2s.h" |
| 51 | #include "tegra_pcm.h" |
| 52 | #include "tegra_asoc_utils.h" |
| 53 | |
Stephen Warren | 7b33af2 | 2011-04-12 11:29:00 -0600 | [diff] [blame] | 54 | #define DRV_NAME "tegra-snd-wm8903" |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 55 | |
Stephen Warren | bf1b132 | 2011-02-10 15:37:18 -0700 | [diff] [blame] | 56 | #define GPIO_SPKR_EN BIT(0) |
Stephen Warren | 773b1d3 | 2011-04-12 11:40:39 -0600 | [diff] [blame] | 57 | #define GPIO_HP_MUTE BIT(1) |
| 58 | #define GPIO_INT_MIC_EN BIT(2) |
| 59 | #define GPIO_EXT_MIC_EN BIT(3) |
Stephen Warren | 29591ed | 2011-08-04 16:44:43 -0600 | [diff] [blame] | 60 | #define GPIO_HP_DET BIT(4) |
Stephen Warren | bf1b132 | 2011-02-10 15:37:18 -0700 | [diff] [blame] | 61 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 62 | struct tegra_wm8903 { |
Stephen Warren | 07cdf36 | 2011-12-12 15:55:36 -0700 | [diff] [blame] | 63 | struct tegra_wm8903_platform_data pdata; |
Stephen Warren | d64e57c | 2011-01-28 14:26:40 -0700 | [diff] [blame] | 64 | struct tegra_asoc_utils_data util_data; |
Stephen Warren | bf1b132 | 2011-02-10 15:37:18 -0700 | [diff] [blame] | 65 | int gpio_requested; |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 66 | }; |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 67 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 68 | static int tegra_wm8903_hw_params(struct snd_pcm_substream *substream, |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 69 | struct snd_pcm_hw_params *params) |
| 70 | { |
| 71 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| 72 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
| 73 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
Stephen Warren | c244d47 | 2011-01-28 14:26:39 -0700 | [diff] [blame] | 74 | struct snd_soc_codec *codec = rtd->codec; |
| 75 | struct snd_soc_card *card = codec->card; |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 76 | struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card); |
Stephen Warren | 0754139 | 2011-04-19 15:25:09 -0600 | [diff] [blame] | 77 | int srate, mclk; |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 78 | int err; |
| 79 | |
| 80 | srate = params_rate(params); |
| 81 | switch (srate) { |
| 82 | case 64000: |
| 83 | case 88200: |
| 84 | case 96000: |
| 85 | mclk = 128 * srate; |
| 86 | break; |
| 87 | default: |
| 88 | mclk = 256 * srate; |
| 89 | break; |
| 90 | } |
| 91 | /* FIXME: Codec only requires >= 3MHz if OSR==0 */ |
| 92 | while (mclk < 6000000) |
| 93 | mclk *= 2; |
| 94 | |
Stephen Warren | 0754139 | 2011-04-19 15:25:09 -0600 | [diff] [blame] | 95 | err = tegra_asoc_utils_set_rate(&machine->util_data, srate, mclk); |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 96 | if (err < 0) { |
Stephen Warren | c244d47 | 2011-01-28 14:26:39 -0700 | [diff] [blame] | 97 | dev_err(card->dev, "Can't configure clocks\n"); |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 98 | return err; |
| 99 | } |
| 100 | |
| 101 | err = snd_soc_dai_set_fmt(codec_dai, |
| 102 | SND_SOC_DAIFMT_I2S | |
| 103 | SND_SOC_DAIFMT_NB_NF | |
| 104 | SND_SOC_DAIFMT_CBS_CFS); |
| 105 | if (err < 0) { |
Stephen Warren | c244d47 | 2011-01-28 14:26:39 -0700 | [diff] [blame] | 106 | dev_err(card->dev, "codec_dai fmt not set\n"); |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 107 | return err; |
| 108 | } |
| 109 | |
| 110 | err = snd_soc_dai_set_fmt(cpu_dai, |
| 111 | SND_SOC_DAIFMT_I2S | |
| 112 | SND_SOC_DAIFMT_NB_NF | |
| 113 | SND_SOC_DAIFMT_CBS_CFS); |
| 114 | if (err < 0) { |
Stephen Warren | c244d47 | 2011-01-28 14:26:39 -0700 | [diff] [blame] | 115 | dev_err(card->dev, "cpu_dai fmt not set\n"); |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 116 | return err; |
| 117 | } |
| 118 | |
Stephen Warren | 0754139 | 2011-04-19 15:25:09 -0600 | [diff] [blame] | 119 | err = snd_soc_dai_set_sysclk(codec_dai, 0, mclk, |
| 120 | SND_SOC_CLOCK_IN); |
| 121 | if (err < 0) { |
| 122 | dev_err(card->dev, "codec_dai clock not set\n"); |
| 123 | return err; |
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 | 3eb25f9 | 2011-04-12 11:40:38 -0600 | [diff] [blame] | 142 | static struct snd_soc_jack_gpio tegra_wm8903_hp_jack_gpio = { |
| 143 | .name = "headphone detect", |
| 144 | .report = SND_JACK_HEADPHONE, |
| 145 | .debounce_time = 150, |
| 146 | .invert = 1, |
Stephen Warren | f7d3e40 | 2011-02-03 13:56:13 -0700 | [diff] [blame] | 147 | }; |
| 148 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 149 | static struct snd_soc_jack tegra_wm8903_mic_jack; |
Stephen Warren | 41b5f9b | 2011-02-10 15:37:16 -0700 | [diff] [blame] | 150 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 151 | static struct snd_soc_jack_pin tegra_wm8903_mic_jack_pins[] = { |
Stephen Warren | 41b5f9b | 2011-02-10 15:37:16 -0700 | [diff] [blame] | 152 | { |
| 153 | .pin = "Mic Jack", |
| 154 | .mask = SND_JACK_MICROPHONE, |
| 155 | }, |
| 156 | }; |
| 157 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 158 | 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] | 159 | struct snd_kcontrol *k, int event) |
| 160 | { |
Stephen Warren | a32955d | 2011-04-19 15:25:10 -0600 | [diff] [blame] | 161 | struct snd_soc_dapm_context *dapm = w->dapm; |
| 162 | struct snd_soc_card *card = dapm->card; |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 163 | struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card); |
Stephen Warren | 07cdf36 | 2011-12-12 15:55:36 -0700 | [diff] [blame] | 164 | struct tegra_wm8903_platform_data *pdata = &machine->pdata; |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 165 | |
Stephen Warren | 773b1d3 | 2011-04-12 11:40:39 -0600 | [diff] [blame] | 166 | if (!(machine->gpio_requested & GPIO_SPKR_EN)) |
| 167 | return 0; |
| 168 | |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 169 | gpio_set_value_cansleep(pdata->gpio_spkr_en, |
Stephen Warren | f9eabc3 | 2011-01-31 11:00:17 -0700 | [diff] [blame] | 170 | SND_SOC_DAPM_EVENT_ON(event)); |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 171 | |
| 172 | return 0; |
| 173 | } |
| 174 | |
Stephen Warren | 773b1d3 | 2011-04-12 11:40:39 -0600 | [diff] [blame] | 175 | static int tegra_wm8903_event_hp(struct snd_soc_dapm_widget *w, |
| 176 | struct snd_kcontrol *k, int event) |
| 177 | { |
Stephen Warren | a32955d | 2011-04-19 15:25:10 -0600 | [diff] [blame] | 178 | struct snd_soc_dapm_context *dapm = w->dapm; |
| 179 | struct snd_soc_card *card = dapm->card; |
Stephen Warren | 773b1d3 | 2011-04-12 11:40:39 -0600 | [diff] [blame] | 180 | struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card); |
Stephen Warren | 07cdf36 | 2011-12-12 15:55:36 -0700 | [diff] [blame] | 181 | struct tegra_wm8903_platform_data *pdata = &machine->pdata; |
Stephen Warren | 773b1d3 | 2011-04-12 11:40:39 -0600 | [diff] [blame] | 182 | |
| 183 | if (!(machine->gpio_requested & GPIO_HP_MUTE)) |
| 184 | return 0; |
| 185 | |
| 186 | gpio_set_value_cansleep(pdata->gpio_hp_mute, |
| 187 | !SND_SOC_DAPM_EVENT_ON(event)); |
| 188 | |
| 189 | return 0; |
| 190 | } |
| 191 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 192 | static const struct snd_soc_dapm_widget tegra_wm8903_dapm_widgets[] = { |
| 193 | SND_SOC_DAPM_SPK("Int Spk", tegra_wm8903_event_int_spk), |
Stephen Warren | 773b1d3 | 2011-04-12 11:40:39 -0600 | [diff] [blame] | 194 | SND_SOC_DAPM_HP("Headphone Jack", tegra_wm8903_event_hp), |
Stephen Warren | 62ffac4 | 2011-01-13 15:22:08 -0700 | [diff] [blame] | 195 | SND_SOC_DAPM_MIC("Mic Jack", NULL), |
| 196 | }; |
| 197 | |
| 198 | static const struct snd_soc_dapm_route harmony_audio_map[] = { |
| 199 | {"Headphone Jack", NULL, "HPOUTR"}, |
| 200 | {"Headphone Jack", NULL, "HPOUTL"}, |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 201 | {"Int Spk", NULL, "ROP"}, |
| 202 | {"Int Spk", NULL, "RON"}, |
| 203 | {"Int Spk", NULL, "LOP"}, |
| 204 | {"Int Spk", NULL, "LON"}, |
Mark Brown | 5032dc3 | 2011-11-27 12:20:08 +0000 | [diff] [blame] | 205 | {"Mic Jack", NULL, "MICBIAS"}, |
| 206 | {"IN1L", NULL, "Mic Jack"}, |
Stephen Warren | 62ffac4 | 2011-01-13 15:22:08 -0700 | [diff] [blame] | 207 | }; |
| 208 | |
Stephen Warren | 773b1d3 | 2011-04-12 11:40:39 -0600 | [diff] [blame] | 209 | static const struct snd_soc_dapm_route seaboard_audio_map[] = { |
| 210 | {"Headphone Jack", NULL, "HPOUTR"}, |
| 211 | {"Headphone Jack", NULL, "HPOUTL"}, |
| 212 | {"Int Spk", NULL, "ROP"}, |
| 213 | {"Int Spk", NULL, "RON"}, |
| 214 | {"Int Spk", NULL, "LOP"}, |
| 215 | {"Int Spk", NULL, "LON"}, |
Mark Brown | 5032dc3 | 2011-11-27 12:20:08 +0000 | [diff] [blame] | 216 | {"Mic Jack", NULL, "MICBIAS"}, |
| 217 | {"IN1R", NULL, "Mic Jack"}, |
Stephen Warren | 773b1d3 | 2011-04-12 11:40:39 -0600 | [diff] [blame] | 218 | }; |
| 219 | |
| 220 | static const struct snd_soc_dapm_route kaen_audio_map[] = { |
| 221 | {"Headphone Jack", NULL, "HPOUTR"}, |
| 222 | {"Headphone Jack", NULL, "HPOUTL"}, |
| 223 | {"Int Spk", NULL, "ROP"}, |
| 224 | {"Int Spk", NULL, "RON"}, |
| 225 | {"Int Spk", NULL, "LOP"}, |
| 226 | {"Int Spk", NULL, "LON"}, |
Mark Brown | 5032dc3 | 2011-11-27 12:20:08 +0000 | [diff] [blame] | 227 | {"Mic Jack", NULL, "MICBIAS"}, |
| 228 | {"IN2R", NULL, "Mic Jack"}, |
Stephen Warren | 773b1d3 | 2011-04-12 11:40:39 -0600 | [diff] [blame] | 229 | }; |
| 230 | |
| 231 | static const struct snd_soc_dapm_route aebl_audio_map[] = { |
| 232 | {"Headphone Jack", NULL, "HPOUTR"}, |
| 233 | {"Headphone Jack", NULL, "HPOUTL"}, |
| 234 | {"Int Spk", NULL, "LINEOUTR"}, |
| 235 | {"Int Spk", NULL, "LINEOUTL"}, |
Mark Brown | 5032dc3 | 2011-11-27 12:20:08 +0000 | [diff] [blame] | 236 | {"Mic Jack", NULL, "MICBIAS"}, |
| 237 | {"IN1R", NULL, "Mic Jack"}, |
Stephen Warren | 773b1d3 | 2011-04-12 11:40:39 -0600 | [diff] [blame] | 238 | }; |
| 239 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 240 | static const struct snd_kcontrol_new tegra_wm8903_controls[] = { |
Stephen Warren | 3d8bc39 | 2011-02-03 13:56:14 -0700 | [diff] [blame] | 241 | SOC_DAPM_PIN_SWITCH("Int Spk"), |
| 242 | }; |
| 243 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 244 | static int tegra_wm8903_init(struct snd_soc_pcm_runtime *rtd) |
Stephen Warren | 62ffac4 | 2011-01-13 15:22:08 -0700 | [diff] [blame] | 245 | { |
| 246 | struct snd_soc_codec *codec = rtd->codec; |
| 247 | struct snd_soc_dapm_context *dapm = &codec->dapm; |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 248 | struct snd_soc_card *card = codec->card; |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 249 | struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card); |
Stephen Warren | 07cdf36 | 2011-12-12 15:55:36 -0700 | [diff] [blame] | 250 | struct tegra_wm8903_platform_data *pdata = &machine->pdata; |
| 251 | struct device_node *np = card->dev->of_node; |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 252 | int ret; |
| 253 | |
Stephen Warren | 07cdf36 | 2011-12-12 15:55:36 -0700 | [diff] [blame] | 254 | if (card->dev->platform_data) { |
| 255 | memcpy(pdata, card->dev->platform_data, sizeof(*pdata)); |
| 256 | } else if (np) { |
| 257 | /* |
| 258 | * This part must be in init() rather than probe() in order to |
| 259 | * guarantee that the WM8903 has been probed, and hence its |
| 260 | * GPIO controller registered, which is a pre-condition for |
| 261 | * of_get_named_gpio() to be able to map the phandles in the |
| 262 | * properties to the controller node. Given this, all |
| 263 | * pdata handling is in init() for consistency. |
| 264 | */ |
| 265 | pdata->gpio_spkr_en = of_get_named_gpio(np, |
| 266 | "nvidia,spkr-en-gpios", 0); |
| 267 | pdata->gpio_hp_mute = of_get_named_gpio(np, |
| 268 | "nvidia,hp-mute-gpios", 0); |
| 269 | pdata->gpio_hp_det = of_get_named_gpio(np, |
| 270 | "nvidia,hp-det-gpios", 0); |
| 271 | pdata->gpio_int_mic_en = of_get_named_gpio(np, |
| 272 | "nvidia,int-mic-en-gpios", 0); |
| 273 | pdata->gpio_ext_mic_en = of_get_named_gpio(np, |
| 274 | "nvidia,ext-mic-en-gpios", 0); |
| 275 | } else { |
| 276 | dev_err(card->dev, "No platform data supplied\n"); |
| 277 | return -EINVAL; |
| 278 | } |
| 279 | |
Stephen Warren | 773b1d3 | 2011-04-12 11:40:39 -0600 | [diff] [blame] | 280 | if (gpio_is_valid(pdata->gpio_spkr_en)) { |
| 281 | ret = gpio_request(pdata->gpio_spkr_en, "spkr_en"); |
| 282 | if (ret) { |
| 283 | dev_err(card->dev, "cannot get spkr_en gpio\n"); |
| 284 | return ret; |
| 285 | } |
| 286 | machine->gpio_requested |= GPIO_SPKR_EN; |
| 287 | |
| 288 | gpio_direction_output(pdata->gpio_spkr_en, 0); |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 289 | } |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 290 | |
Stephen Warren | 773b1d3 | 2011-04-12 11:40:39 -0600 | [diff] [blame] | 291 | if (gpio_is_valid(pdata->gpio_hp_mute)) { |
| 292 | ret = gpio_request(pdata->gpio_hp_mute, "hp_mute"); |
| 293 | if (ret) { |
| 294 | dev_err(card->dev, "cannot get hp_mute gpio\n"); |
| 295 | return ret; |
| 296 | } |
| 297 | machine->gpio_requested |= GPIO_HP_MUTE; |
Stephen Warren | 62ffac4 | 2011-01-13 15:22:08 -0700 | [diff] [blame] | 298 | |
Stephen Warren | a5fe6be | 2011-05-26 12:46:50 -0600 | [diff] [blame] | 299 | gpio_direction_output(pdata->gpio_hp_mute, 1); |
Stephen Warren | bf1b132 | 2011-02-10 15:37:18 -0700 | [diff] [blame] | 300 | } |
Stephen Warren | bf1b132 | 2011-02-10 15:37:18 -0700 | [diff] [blame] | 301 | |
Stephen Warren | 773b1d3 | 2011-04-12 11:40:39 -0600 | [diff] [blame] | 302 | if (gpio_is_valid(pdata->gpio_int_mic_en)) { |
| 303 | ret = gpio_request(pdata->gpio_int_mic_en, "int_mic_en"); |
| 304 | if (ret) { |
| 305 | dev_err(card->dev, "cannot get int_mic_en gpio\n"); |
| 306 | return ret; |
| 307 | } |
| 308 | machine->gpio_requested |= GPIO_INT_MIC_EN; |
Stephen Warren | bf1b132 | 2011-02-10 15:37:18 -0700 | [diff] [blame] | 309 | |
Stephen Warren | 773b1d3 | 2011-04-12 11:40:39 -0600 | [diff] [blame] | 310 | /* Disable int mic; enable signal is active-high */ |
| 311 | gpio_direction_output(pdata->gpio_int_mic_en, 0); |
Stephen Warren | bf1b132 | 2011-02-10 15:37:18 -0700 | [diff] [blame] | 312 | } |
Stephen Warren | bf1b132 | 2011-02-10 15:37:18 -0700 | [diff] [blame] | 313 | |
Stephen Warren | 773b1d3 | 2011-04-12 11:40:39 -0600 | [diff] [blame] | 314 | if (gpio_is_valid(pdata->gpio_ext_mic_en)) { |
| 315 | ret = gpio_request(pdata->gpio_ext_mic_en, "ext_mic_en"); |
| 316 | if (ret) { |
| 317 | dev_err(card->dev, "cannot get ext_mic_en gpio\n"); |
| 318 | return ret; |
| 319 | } |
| 320 | machine->gpio_requested |= GPIO_EXT_MIC_EN; |
| 321 | |
| 322 | /* Enable ext mic; enable signal is active-low */ |
| 323 | gpio_direction_output(pdata->gpio_ext_mic_en, 0); |
| 324 | } |
Stephen Warren | bf1b132 | 2011-02-10 15:37:18 -0700 | [diff] [blame] | 325 | |
Stephen Warren | 773b1d3 | 2011-04-12 11:40:39 -0600 | [diff] [blame] | 326 | if (gpio_is_valid(pdata->gpio_hp_det)) { |
| 327 | tegra_wm8903_hp_jack_gpio.gpio = pdata->gpio_hp_det; |
| 328 | snd_soc_jack_new(codec, "Headphone Jack", SND_JACK_HEADPHONE, |
| 329 | &tegra_wm8903_hp_jack); |
| 330 | snd_soc_jack_add_pins(&tegra_wm8903_hp_jack, |
| 331 | ARRAY_SIZE(tegra_wm8903_hp_jack_pins), |
| 332 | tegra_wm8903_hp_jack_pins); |
| 333 | snd_soc_jack_add_gpios(&tegra_wm8903_hp_jack, |
| 334 | 1, |
| 335 | &tegra_wm8903_hp_jack_gpio); |
Stephen Warren | 29591ed | 2011-08-04 16:44:43 -0600 | [diff] [blame] | 336 | machine->gpio_requested |= GPIO_HP_DET; |
Stephen Warren | 773b1d3 | 2011-04-12 11:40:39 -0600 | [diff] [blame] | 337 | } |
Stephen Warren | f7d3e40 | 2011-02-03 13:56:13 -0700 | [diff] [blame] | 338 | |
Stephen Warren | 41b5f9b | 2011-02-10 15:37:16 -0700 | [diff] [blame] | 339 | snd_soc_jack_new(codec, "Mic Jack", SND_JACK_MICROPHONE, |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 340 | &tegra_wm8903_mic_jack); |
| 341 | snd_soc_jack_add_pins(&tegra_wm8903_mic_jack, |
| 342 | ARRAY_SIZE(tegra_wm8903_mic_jack_pins), |
| 343 | tegra_wm8903_mic_jack_pins); |
| 344 | wm8903_mic_detect(codec, &tegra_wm8903_mic_jack, SND_JACK_MICROPHONE, |
| 345 | 0); |
Stephen Warren | 41b5f9b | 2011-02-10 15:37:16 -0700 | [diff] [blame] | 346 | |
Mark Brown | 5032dc3 | 2011-11-27 12:20:08 +0000 | [diff] [blame] | 347 | snd_soc_dapm_force_enable_pin(dapm, "MICBIAS"); |
Stephen Warren | 41b5f9b | 2011-02-10 15:37:16 -0700 | [diff] [blame] | 348 | |
Stephen Warren | 62ffac4 | 2011-01-13 15:22:08 -0700 | [diff] [blame] | 349 | return 0; |
| 350 | } |
| 351 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 352 | static struct snd_soc_dai_link tegra_wm8903_dai = { |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 353 | .name = "WM8903", |
| 354 | .stream_name = "WM8903 PCM", |
Mark Brown | 4b592c9 | 2011-02-09 13:47:06 +0000 | [diff] [blame] | 355 | .codec_name = "wm8903.0-001a", |
Stephen Warren | 518de86 | 2012-03-20 14:55:49 -0600 | [diff] [blame^] | 356 | .platform_name = "tegra-i2s.0", |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 357 | .cpu_dai_name = "tegra-i2s.0", |
| 358 | .codec_dai_name = "wm8903-hifi", |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 359 | .init = tegra_wm8903_init, |
| 360 | .ops = &tegra_wm8903_ops, |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 361 | }; |
| 362 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 363 | static struct snd_soc_card snd_soc_tegra_wm8903 = { |
| 364 | .name = "tegra-wm8903", |
Axel Lin | b16eaf9 | 2011-12-22 21:23:01 +0800 | [diff] [blame] | 365 | .owner = THIS_MODULE, |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 366 | .dai_link = &tegra_wm8903_dai, |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 367 | .num_links = 1, |
Stephen Warren | dea8b6e | 2011-04-19 15:25:12 -0600 | [diff] [blame] | 368 | |
| 369 | .controls = tegra_wm8903_controls, |
| 370 | .num_controls = ARRAY_SIZE(tegra_wm8903_controls), |
| 371 | .dapm_widgets = tegra_wm8903_dapm_widgets, |
| 372 | .num_dapm_widgets = ARRAY_SIZE(tegra_wm8903_dapm_widgets), |
Stephen Warren | 6e5fdba | 2011-11-23 12:42:05 -0700 | [diff] [blame] | 373 | .fully_routed = true, |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 374 | }; |
| 375 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 376 | static __devinit int tegra_wm8903_driver_probe(struct platform_device *pdev) |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 377 | { |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 378 | struct snd_soc_card *card = &snd_soc_tegra_wm8903; |
| 379 | struct tegra_wm8903 *machine; |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 380 | int ret; |
| 381 | |
Stephen Warren | 07cdf36 | 2011-12-12 15:55:36 -0700 | [diff] [blame] | 382 | if (!pdev->dev.platform_data && !pdev->dev.of_node) { |
Stephen Warren | 773b1d3 | 2011-04-12 11:40:39 -0600 | [diff] [blame] | 383 | dev_err(&pdev->dev, "No platform data supplied\n"); |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 384 | return -EINVAL; |
| 385 | } |
| 386 | |
Stephen Warren | e4e4c18 | 2011-11-22 18:21:20 -0700 | [diff] [blame] | 387 | machine = devm_kzalloc(&pdev->dev, sizeof(struct tegra_wm8903), |
| 388 | GFP_KERNEL); |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 389 | if (!machine) { |
| 390 | dev_err(&pdev->dev, "Can't allocate tegra_wm8903 struct\n"); |
Stephen Warren | e4e4c18 | 2011-11-22 18:21:20 -0700 | [diff] [blame] | 391 | ret = -ENOMEM; |
| 392 | goto err; |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 393 | } |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 394 | |
| 395 | card->dev = &pdev->dev; |
| 396 | platform_set_drvdata(pdev, card); |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 397 | snd_soc_card_set_drvdata(card, machine); |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 398 | |
Stephen Warren | 07cdf36 | 2011-12-12 15:55:36 -0700 | [diff] [blame] | 399 | if (pdev->dev.of_node) { |
| 400 | ret = snd_soc_of_parse_card_name(card, "nvidia,model"); |
| 401 | if (ret) |
| 402 | goto err; |
| 403 | |
| 404 | ret = snd_soc_of_parse_audio_routing(card, |
| 405 | "nvidia,audio-routing"); |
| 406 | if (ret) |
| 407 | goto err; |
| 408 | |
| 409 | tegra_wm8903_dai.codec_name = NULL; |
| 410 | tegra_wm8903_dai.codec_of_node = of_parse_phandle( |
| 411 | pdev->dev.of_node, "nvidia,audio-codec", 0); |
| 412 | if (!tegra_wm8903_dai.codec_of_node) { |
| 413 | dev_err(&pdev->dev, |
| 414 | "Property 'nvidia,audio-codec' missing or invalid\n"); |
| 415 | ret = -EINVAL; |
| 416 | goto err; |
| 417 | } |
| 418 | |
| 419 | tegra_wm8903_dai.cpu_dai_name = NULL; |
| 420 | tegra_wm8903_dai.cpu_dai_of_node = of_parse_phandle( |
| 421 | pdev->dev.of_node, "nvidia,i2s-controller", 0); |
| 422 | if (!tegra_wm8903_dai.cpu_dai_of_node) { |
| 423 | dev_err(&pdev->dev, |
| 424 | "Property 'nvidia,i2s-controller' missing or invalid\n"); |
| 425 | ret = -EINVAL; |
| 426 | goto err; |
| 427 | } |
| 428 | |
Stephen Warren | 518de86 | 2012-03-20 14:55:49 -0600 | [diff] [blame^] | 429 | tegra_wm8903_dai.platform_name = NULL; |
| 430 | tegra_wm8903_dai.platform_of_node = |
| 431 | tegra_wm8903_dai.cpu_dai_of_node; |
Stephen Warren | dea8b6e | 2011-04-19 15:25:12 -0600 | [diff] [blame] | 432 | } else { |
Stephen Warren | 07cdf36 | 2011-12-12 15:55:36 -0700 | [diff] [blame] | 433 | if (machine_is_harmony()) { |
| 434 | card->dapm_routes = harmony_audio_map; |
| 435 | card->num_dapm_routes = ARRAY_SIZE(harmony_audio_map); |
| 436 | } else if (machine_is_seaboard()) { |
| 437 | card->dapm_routes = seaboard_audio_map; |
| 438 | card->num_dapm_routes = ARRAY_SIZE(seaboard_audio_map); |
| 439 | } else if (machine_is_kaen()) { |
| 440 | card->dapm_routes = kaen_audio_map; |
| 441 | card->num_dapm_routes = ARRAY_SIZE(kaen_audio_map); |
| 442 | } else { |
| 443 | card->dapm_routes = aebl_audio_map; |
| 444 | card->num_dapm_routes = ARRAY_SIZE(aebl_audio_map); |
| 445 | } |
Stephen Warren | dea8b6e | 2011-04-19 15:25:12 -0600 | [diff] [blame] | 446 | } |
| 447 | |
Stephen Warren | 07cdf36 | 2011-12-12 15:55:36 -0700 | [diff] [blame] | 448 | ret = tegra_asoc_utils_init(&machine->util_data, &pdev->dev); |
| 449 | if (ret) |
Stephen Warren | 518de86 | 2012-03-20 14:55:49 -0600 | [diff] [blame^] | 450 | goto err; |
Stephen Warren | 07cdf36 | 2011-12-12 15:55:36 -0700 | [diff] [blame] | 451 | |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 452 | ret = snd_soc_register_card(card); |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 453 | if (ret) { |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 454 | dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 455 | ret); |
Stephen Warren | acb8303 | 2011-04-19 15:25:08 -0600 | [diff] [blame] | 456 | goto err_fini_utils; |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 457 | } |
| 458 | |
| 459 | return 0; |
| 460 | |
Stephen Warren | acb8303 | 2011-04-19 15:25:08 -0600 | [diff] [blame] | 461 | err_fini_utils: |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 462 | tegra_asoc_utils_fini(&machine->util_data); |
Stephen Warren | e4e4c18 | 2011-11-22 18:21:20 -0700 | [diff] [blame] | 463 | err: |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 464 | return ret; |
| 465 | } |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 466 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 467 | static int __devexit tegra_wm8903_driver_remove(struct platform_device *pdev) |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 468 | { |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 469 | struct snd_soc_card *card = platform_get_drvdata(pdev); |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 470 | struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card); |
Stephen Warren | 07cdf36 | 2011-12-12 15:55:36 -0700 | [diff] [blame] | 471 | struct tegra_wm8903_platform_data *pdata = &machine->pdata; |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 472 | |
Stephen Warren | 29591ed | 2011-08-04 16:44:43 -0600 | [diff] [blame] | 473 | if (machine->gpio_requested & GPIO_HP_DET) |
| 474 | snd_soc_jack_free_gpios(&tegra_wm8903_hp_jack, |
| 475 | 1, |
| 476 | &tegra_wm8903_hp_jack_gpio); |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 477 | if (machine->gpio_requested & GPIO_EXT_MIC_EN) |
Stephen Warren | bf1b132 | 2011-02-10 15:37:18 -0700 | [diff] [blame] | 478 | gpio_free(pdata->gpio_ext_mic_en); |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 479 | if (machine->gpio_requested & GPIO_INT_MIC_EN) |
Stephen Warren | bf1b132 | 2011-02-10 15:37:18 -0700 | [diff] [blame] | 480 | gpio_free(pdata->gpio_int_mic_en); |
Stephen Warren | 773b1d3 | 2011-04-12 11:40:39 -0600 | [diff] [blame] | 481 | if (machine->gpio_requested & GPIO_HP_MUTE) |
| 482 | gpio_free(pdata->gpio_hp_mute); |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 483 | if (machine->gpio_requested & GPIO_SPKR_EN) |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 484 | gpio_free(pdata->gpio_spkr_en); |
Stephen Warren | 29591ed | 2011-08-04 16:44:43 -0600 | [diff] [blame] | 485 | machine->gpio_requested = 0; |
| 486 | |
| 487 | snd_soc_unregister_card(card); |
| 488 | |
| 489 | tegra_asoc_utils_fini(&machine->util_data); |
Stephen Warren | 6e26764 | 2011-01-28 14:26:37 -0700 | [diff] [blame] | 490 | |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 491 | return 0; |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 492 | } |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 493 | |
Stephen Warren | 07cdf36 | 2011-12-12 15:55:36 -0700 | [diff] [blame] | 494 | static const struct of_device_id tegra_wm8903_of_match[] __devinitconst = { |
| 495 | { .compatible = "nvidia,tegra-audio-wm8903", }, |
| 496 | {}, |
| 497 | }; |
| 498 | |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 499 | static struct platform_driver tegra_wm8903_driver = { |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 500 | .driver = { |
| 501 | .name = DRV_NAME, |
| 502 | .owner = THIS_MODULE, |
Stephen Warren | deb2607 | 2011-04-05 19:35:30 -0600 | [diff] [blame] | 503 | .pm = &snd_soc_pm_ops, |
Stephen Warren | 07cdf36 | 2011-12-12 15:55:36 -0700 | [diff] [blame] | 504 | .of_match_table = tegra_wm8903_of_match, |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 505 | }, |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 506 | .probe = tegra_wm8903_driver_probe, |
| 507 | .remove = __devexit_p(tegra_wm8903_driver_remove), |
Stephen Warren | 72de2b1 | 2011-01-28 14:26:36 -0700 | [diff] [blame] | 508 | }; |
Stephen Warren | e4e4c18 | 2011-11-22 18:21:20 -0700 | [diff] [blame] | 509 | module_platform_driver(tegra_wm8903_driver); |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 510 | |
| 511 | MODULE_AUTHOR("Stephen Warren <swarren@nvidia.com>"); |
Stephen Warren | dc0a50af | 2011-04-12 11:40:36 -0600 | [diff] [blame] | 512 | MODULE_DESCRIPTION("Tegra+WM8903 machine ASoC driver"); |
Stephen Warren | a8bf1ba | 2011-01-07 22:36:16 -0700 | [diff] [blame] | 513 | MODULE_LICENSE("GPL"); |
Stephen Warren | 8eb3420 | 2011-02-10 15:37:19 -0700 | [diff] [blame] | 514 | MODULE_ALIAS("platform:" DRV_NAME); |
Stephen Warren | 07cdf36 | 2011-12-12 15:55:36 -0700 | [diff] [blame] | 515 | MODULE_DEVICE_TABLE(of, tegra_wm8903_of_match); |