diff options
Diffstat (limited to 'sound/soc/tegra/harmony.c')
| -rw-r--r-- | sound/soc/tegra/harmony.c | 394 |
1 files changed, 0 insertions, 394 deletions
diff --git a/sound/soc/tegra/harmony.c b/sound/soc/tegra/harmony.c deleted file mode 100644 index 556a57133925..000000000000 --- a/sound/soc/tegra/harmony.c +++ /dev/null @@ -1,394 +0,0 @@ -/* - * harmony.c - Harmony machine ASoC driver - * - * Author: Stephen Warren <swarren@nvidia.com> - * Copyright (C) 2010-2011 - NVIDIA, Inc. - * - * Based on code copyright/by: - * - * (c) 2009, 2010 Nvidia Graphics Pvt. Ltd. - * - * Copyright 2007 Wolfson Microelectronics PLC. - * Author: Graeme Gregory - * graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - * - */ - -#include <asm/mach-types.h> - -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/slab.h> -#include <linux/gpio.h> - -#include <mach/harmony_audio.h> - -#include <sound/core.h> -#include <sound/jack.h> -#include <sound/pcm.h> -#include <sound/pcm_params.h> -#include <sound/soc.h> - -#include "../codecs/wm8903.h" - -#include "tegra_das.h" -#include "tegra_i2s.h" -#include "tegra_pcm.h" -#include "tegra_asoc_utils.h" - -#define DRV_NAME "tegra-snd-harmony" - -#define GPIO_SPKR_EN BIT(0) -#define GPIO_INT_MIC_EN BIT(1) -#define GPIO_EXT_MIC_EN BIT(2) - -struct tegra_harmony { - struct tegra_asoc_utils_data util_data; - struct harmony_audio_platform_data *pdata; - int gpio_requested; -}; - -static int harmony_asoc_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params) -{ - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_dai *codec_dai = rtd->codec_dai; - struct snd_soc_dai *cpu_dai = rtd->cpu_dai; - struct snd_soc_codec *codec = rtd->codec; - struct snd_soc_card *card = codec->card; - struct tegra_harmony *harmony = snd_soc_card_get_drvdata(card); - int srate, mclk, mclk_change; - int err; - - srate = params_rate(params); - switch (srate) { - case 64000: - case 88200: - case 96000: - mclk = 128 * srate; - break; - default: - mclk = 256 * srate; - break; - } - /* FIXME: Codec only requires >= 3MHz if OSR==0 */ - while (mclk < 6000000) - mclk *= 2; - - err = tegra_asoc_utils_set_rate(&harmony->util_data, srate, mclk, - &mclk_change); - if (err < 0) { - dev_err(card->dev, "Can't configure clocks\n"); - return err; - } - - err = snd_soc_dai_set_fmt(codec_dai, - SND_SOC_DAIFMT_I2S | - SND_SOC_DAIFMT_NB_NF | - SND_SOC_DAIFMT_CBS_CFS); - if (err < 0) { - dev_err(card->dev, "codec_dai fmt not set\n"); - return err; - } - - err = snd_soc_dai_set_fmt(cpu_dai, - SND_SOC_DAIFMT_I2S | - SND_SOC_DAIFMT_NB_NF | - SND_SOC_DAIFMT_CBS_CFS); - if (err < 0) { - dev_err(card->dev, "cpu_dai fmt not set\n"); - return err; - } - - if (mclk_change) { - err = snd_soc_dai_set_sysclk(codec_dai, 0, mclk, - SND_SOC_CLOCK_IN); - if (err < 0) { - dev_err(card->dev, "codec_dai clock not set\n"); - return err; - } - } - - return 0; -} - -static struct snd_soc_ops harmony_asoc_ops = { - .hw_params = harmony_asoc_hw_params, -}; - -static struct snd_soc_jack harmony_hp_jack; - -static struct snd_soc_jack_pin harmony_hp_jack_pins[] = { - { - .pin = "Headphone Jack", - .mask = SND_JACK_HEADPHONE, - }, -}; - -static struct snd_soc_jack_gpio harmony_hp_jack_gpios[] = { - { - .name = "headphone detect", - .report = SND_JACK_HEADPHONE, - .debounce_time = 150, - .invert = 1, - } -}; - -static struct snd_soc_jack harmony_mic_jack; - -static struct snd_soc_jack_pin harmony_mic_jack_pins[] = { - { - .pin = "Mic Jack", - .mask = SND_JACK_MICROPHONE, - }, -}; - -static int harmony_event_int_spk(struct snd_soc_dapm_widget *w, - struct snd_kcontrol *k, int event) -{ - struct snd_soc_codec *codec = w->codec; - struct snd_soc_card *card = codec->card; - struct tegra_harmony *harmony = snd_soc_card_get_drvdata(card); - struct harmony_audio_platform_data *pdata = harmony->pdata; - - gpio_set_value_cansleep(pdata->gpio_spkr_en, - SND_SOC_DAPM_EVENT_ON(event)); - - return 0; -} - -static const struct snd_soc_dapm_widget harmony_dapm_widgets[] = { - SND_SOC_DAPM_SPK("Int Spk", harmony_event_int_spk), - SND_SOC_DAPM_HP("Headphone Jack", NULL), - SND_SOC_DAPM_MIC("Mic Jack", NULL), -}; - -static const struct snd_soc_dapm_route harmony_audio_map[] = { - {"Headphone Jack", NULL, "HPOUTR"}, - {"Headphone Jack", NULL, "HPOUTL"}, - {"Int Spk", NULL, "ROP"}, - {"Int Spk", NULL, "RON"}, - {"Int Spk", NULL, "LOP"}, - {"Int Spk", NULL, "LON"}, - {"Mic Bias", NULL, "Mic Jack"}, - {"IN1L", NULL, "Mic Bias"}, -}; - -static const struct snd_kcontrol_new harmony_controls[] = { - SOC_DAPM_PIN_SWITCH("Int Spk"), -}; - -static int harmony_asoc_init(struct snd_soc_pcm_runtime *rtd) -{ - struct snd_soc_codec *codec = rtd->codec; - struct snd_soc_dapm_context *dapm = &codec->dapm; - struct snd_soc_card *card = codec->card; - struct tegra_harmony *harmony = snd_soc_card_get_drvdata(card); - struct harmony_audio_platform_data *pdata = harmony->pdata; - int ret; - - ret = gpio_request(pdata->gpio_spkr_en, "spkr_en"); - if (ret) { - dev_err(card->dev, "cannot get spkr_en gpio\n"); - return ret; - } - harmony->gpio_requested |= GPIO_SPKR_EN; - - gpio_direction_output(pdata->gpio_spkr_en, 0); - - ret = gpio_request(pdata->gpio_int_mic_en, "int_mic_en"); - if (ret) { - dev_err(card->dev, "cannot get int_mic_en gpio\n"); - return ret; - } - harmony->gpio_requested |= GPIO_INT_MIC_EN; - - /* Disable int mic; enable signal is active-high */ - gpio_direction_output(pdata->gpio_int_mic_en, 0); - - ret = gpio_request(pdata->gpio_ext_mic_en, "ext_mic_en"); - if (ret) { - dev_err(card->dev, "cannot get ext_mic_en gpio\n"); - return ret; - } - harmony->gpio_requested |= GPIO_EXT_MIC_EN; - - /* Enable ext mic; enable signal is active-low */ - gpio_direction_output(pdata->gpio_ext_mic_en, 0); - - ret = snd_soc_add_controls(codec, harmony_controls, - ARRAY_SIZE(harmony_controls)); - if (ret < 0) - return ret; - - snd_soc_dapm_new_controls(dapm, harmony_dapm_widgets, - ARRAY_SIZE(harmony_dapm_widgets)); - - snd_soc_dapm_add_routes(dapm, harmony_audio_map, - ARRAY_SIZE(harmony_audio_map)); - - harmony_hp_jack_gpios[0].gpio = pdata->gpio_hp_det; - snd_soc_jack_new(codec, "Headphone Jack", SND_JACK_HEADPHONE, - &harmony_hp_jack); - snd_soc_jack_add_pins(&harmony_hp_jack, - ARRAY_SIZE(harmony_hp_jack_pins), - harmony_hp_jack_pins); - snd_soc_jack_add_gpios(&harmony_hp_jack, - ARRAY_SIZE(harmony_hp_jack_gpios), - harmony_hp_jack_gpios); - - snd_soc_jack_new(codec, "Mic Jack", SND_JACK_MICROPHONE, - &harmony_mic_jack); - snd_soc_jack_add_pins(&harmony_mic_jack, - ARRAY_SIZE(harmony_mic_jack_pins), - harmony_mic_jack_pins); - wm8903_mic_detect(codec, &harmony_mic_jack, SND_JACK_MICROPHONE, 0); - - snd_soc_dapm_force_enable_pin(dapm, "Mic Bias"); - - snd_soc_dapm_nc_pin(dapm, "IN3L"); - snd_soc_dapm_nc_pin(dapm, "IN3R"); - snd_soc_dapm_nc_pin(dapm, "LINEOUTL"); - snd_soc_dapm_nc_pin(dapm, "LINEOUTR"); - - snd_soc_dapm_sync(dapm); - - return 0; -} - -static struct snd_soc_dai_link harmony_wm8903_dai = { - .name = "WM8903", - .stream_name = "WM8903 PCM", - .codec_name = "wm8903.0-001a", - .platform_name = "tegra-pcm-audio", - .cpu_dai_name = "tegra-i2s.0", - .codec_dai_name = "wm8903-hifi", - .init = harmony_asoc_init, - .ops = &harmony_asoc_ops, -}; - -static struct snd_soc_card snd_soc_harmony = { - .name = "tegra-harmony", - .dai_link = &harmony_wm8903_dai, - .num_links = 1, -}; - -static __devinit int tegra_snd_harmony_probe(struct platform_device *pdev) -{ - struct snd_soc_card *card = &snd_soc_harmony; - struct tegra_harmony *harmony; - struct harmony_audio_platform_data *pdata; - int ret; - - if (!machine_is_harmony()) { - dev_err(&pdev->dev, "Not running on Tegra Harmony!\n"); - return -ENODEV; - } - - pdata = pdev->dev.platform_data; - if (!pdata) { - dev_err(&pdev->dev, "no platform data supplied\n"); - return -EINVAL; - } - - harmony = kzalloc(sizeof(struct tegra_harmony), GFP_KERNEL); - if (!harmony) { - dev_err(&pdev->dev, "Can't allocate tegra_harmony\n"); - return -ENOMEM; - } - - harmony->pdata = pdata; - - ret = tegra_asoc_utils_init(&harmony->util_data, &pdev->dev); - if (ret) - goto err_free_harmony; - - card->dev = &pdev->dev; - platform_set_drvdata(pdev, card); - snd_soc_card_set_drvdata(card, harmony); - - ret = snd_soc_register_card(card); - if (ret) { - dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", - ret); - goto err_clear_drvdata; - } - - return 0; - -err_clear_drvdata: - snd_soc_card_set_drvdata(card, NULL); - platform_set_drvdata(pdev, NULL); - card->dev = NULL; - tegra_asoc_utils_fini(&harmony->util_data); -err_free_harmony: - kfree(harmony); - return ret; -} - -static int __devexit tegra_snd_harmony_remove(struct platform_device *pdev) -{ - struct snd_soc_card *card = platform_get_drvdata(pdev); - struct tegra_harmony *harmony = snd_soc_card_get_drvdata(card); - struct harmony_audio_platform_data *pdata = harmony->pdata; - - snd_soc_unregister_card(card); - - snd_soc_card_set_drvdata(card, NULL); - platform_set_drvdata(pdev, NULL); - card->dev = NULL; - - tegra_asoc_utils_fini(&harmony->util_data); - - if (harmony->gpio_requested & GPIO_EXT_MIC_EN) - gpio_free(pdata->gpio_ext_mic_en); - if (harmony->gpio_requested & GPIO_INT_MIC_EN) - gpio_free(pdata->gpio_int_mic_en); - if (harmony->gpio_requested & GPIO_SPKR_EN) - gpio_free(pdata->gpio_spkr_en); - - kfree(harmony); - - return 0; -} - -static struct platform_driver tegra_snd_harmony_driver = { - .driver = { - .name = DRV_NAME, - .owner = THIS_MODULE, - .pm = &snd_soc_pm_ops, - }, - .probe = tegra_snd_harmony_probe, - .remove = __devexit_p(tegra_snd_harmony_remove), -}; - -static int __init snd_tegra_harmony_init(void) -{ - return platform_driver_register(&tegra_snd_harmony_driver); -} -module_init(snd_tegra_harmony_init); - -static void __exit snd_tegra_harmony_exit(void) -{ - platform_driver_unregister(&tegra_snd_harmony_driver); -} -module_exit(snd_tegra_harmony_exit); - -MODULE_AUTHOR("Stephen Warren <swarren@nvidia.com>"); -MODULE_DESCRIPTION("Harmony machine ASoC driver"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:" DRV_NAME); |
