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Diffstat (limited to 'sound/soc/s3c24xx/smartq_wm8987.c')
-rw-r--r--sound/soc/s3c24xx/smartq_wm8987.c290
1 files changed, 0 insertions, 290 deletions
diff --git a/sound/soc/s3c24xx/smartq_wm8987.c b/sound/soc/s3c24xx/smartq_wm8987.c
deleted file mode 100644
index dd20ca7f468..00000000000
--- a/sound/soc/s3c24xx/smartq_wm8987.c
+++ /dev/null
@@ -1,290 +0,0 @@
-/* sound/soc/s3c24xx/smartq_wm8987.c
- *
- * Copyright 2010 Maurus Cuelenaere <mcuelenaere@gmail.com>
- *
- * Based on smdk6410_wm8987.c
- * Copyright 2007 Wolfson Microelectronics PLC. - linux@wolfsonmicro.com
- * Graeme Gregory - graeme.gregory@wolfsonmicro.com
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- */
-
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/gpio.h>
-
-#include <sound/pcm.h>
-#include <sound/pcm_params.h>
-#include <sound/soc-dapm.h>
-#include <sound/jack.h>
-
-#include <asm/mach-types.h>
-
-#include "s3c-dma.h"
-#include "s3c64xx-i2s.h"
-
-#include "../codecs/wm8750.h"
-
-/*
- * WM8987 is register compatible with WM8750, so using that as base driver.
- */
-
-static struct snd_soc_card snd_soc_smartq;
-
-static int smartq_hifi_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->dai->codec_dai;
- struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
- struct s3c_i2sv2_rate_calc div;
- unsigned int clk = 0;
- int ret;
-
- s3c_i2sv2_iis_calc_rate(&div, NULL, params_rate(params),
- s3c_i2sv2_get_clock(cpu_dai));
-
- switch (params_rate(params)) {
- case 8000:
- case 16000:
- case 32000:
- case 48000:
- case 96000:
- clk = 12288000;
- break;
- case 11025:
- case 22050:
- case 44100:
- case 88200:
- clk = 11289600;
- break;
- }
-
- /* set codec DAI configuration */
- ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S |
- SND_SOC_DAIFMT_NB_NF |
- SND_SOC_DAIFMT_CBS_CFS);
- if (ret < 0)
- return ret;
-
- /* set cpu DAI configuration */
- ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S |
- SND_SOC_DAIFMT_NB_NF |
- SND_SOC_DAIFMT_CBS_CFS);
- if (ret < 0)
- return ret;
-
- /* set the codec system clock for DAC and ADC */
- ret = snd_soc_dai_set_sysclk(codec_dai, WM8750_SYSCLK, clk,
- SND_SOC_CLOCK_IN);
- if (ret < 0)
- return ret;
-
- /* set MCLK division for sample rate */
- ret = snd_soc_dai_set_clkdiv(cpu_dai, S3C_I2SV2_DIV_RCLK, div.fs_div);
- if (ret < 0)
- return ret;
-
- /* set prescaler division for sample rate */
- ret = snd_soc_dai_set_clkdiv(cpu_dai, S3C_I2SV2_DIV_PRESCALER,
- div.clk_div - 1);
- if (ret < 0)
- return ret;
-
- return 0;
-}
-
-/*
- * SmartQ WM8987 HiFi DAI operations.
- */
-static struct snd_soc_ops smartq_hifi_ops = {
- .hw_params = smartq_hifi_hw_params,
-};
-
-static struct snd_soc_jack smartq_jack;
-
-static struct snd_soc_jack_pin smartq_jack_pins[] = {
- /* Disable speaker when headphone is plugged in */
- {
- .pin = "Internal Speaker",
- .mask = SND_JACK_HEADPHONE,
- },
-};
-
-static struct snd_soc_jack_gpio smartq_jack_gpios[] = {
- {
- .gpio = S3C64XX_GPL(12),
- .name = "headphone detect",
- .report = SND_JACK_HEADPHONE,
- .debounce_time = 200,
- },
-};
-
-static const struct snd_kcontrol_new wm8987_smartq_controls[] = {
- SOC_DAPM_PIN_SWITCH("Internal Speaker"),
- SOC_DAPM_PIN_SWITCH("Headphone Jack"),
- SOC_DAPM_PIN_SWITCH("Internal Mic"),
-};
-
-static int smartq_speaker_event(struct snd_soc_dapm_widget *w,
- struct snd_kcontrol *k,
- int event)
-{
- gpio_set_value(S3C64XX_GPK(12), SND_SOC_DAPM_EVENT_OFF(event));
-
- return 0;
-}
-
-static const struct snd_soc_dapm_widget wm8987_dapm_widgets[] = {
- SND_SOC_DAPM_SPK("Internal Speaker", smartq_speaker_event),
- SND_SOC_DAPM_HP("Headphone Jack", NULL),
- SND_SOC_DAPM_MIC("Internal Mic", NULL),
-};
-
-static const struct snd_soc_dapm_route audio_map[] = {
- {"Headphone Jack", NULL, "LOUT2"},
- {"Headphone Jack", NULL, "ROUT2"},
-
- {"Internal Speaker", NULL, "LOUT2"},
- {"Internal Speaker", NULL, "ROUT2"},
-
- {"Mic Bias", NULL, "Internal Mic"},
- {"LINPUT2", NULL, "Mic Bias"},
-};
-
-static int smartq_wm8987_init(struct snd_soc_codec *codec)
-{
- int err = 0;
-
- /* Add SmartQ specific widgets */
- snd_soc_dapm_new_controls(codec, wm8987_dapm_widgets,
- ARRAY_SIZE(wm8987_dapm_widgets));
-
- /* add SmartQ specific controls */
- err = snd_soc_add_controls(codec, wm8987_smartq_controls,
- ARRAY_SIZE(wm8987_smartq_controls));
-
- if (err < 0)
- return err;
-
- /* setup SmartQ specific audio path */
- snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
-
- /* set endpoints to not connected */
- snd_soc_dapm_nc_pin(codec, "LINPUT1");
- snd_soc_dapm_nc_pin(codec, "RINPUT1");
- snd_soc_dapm_nc_pin(codec, "OUT3");
- snd_soc_dapm_nc_pin(codec, "ROUT1");
-
- /* set endpoints to default off mode */
- snd_soc_dapm_enable_pin(codec, "Internal Speaker");
- snd_soc_dapm_enable_pin(codec, "Internal Mic");
- snd_soc_dapm_disable_pin(codec, "Headphone Jack");
-
- err = snd_soc_dapm_sync(codec);
- if (err)
- return err;
-
- /* Headphone jack detection */
- err = snd_soc_jack_new(&snd_soc_smartq, "Headphone Jack",
- SND_JACK_HEADPHONE, &smartq_jack);
- if (err)
- return err;
-
- err = snd_soc_jack_add_pins(&smartq_jack, ARRAY_SIZE(smartq_jack_pins),
- smartq_jack_pins);
- if (err)
- return err;
-
- err = snd_soc_jack_add_gpios(&smartq_jack,
- ARRAY_SIZE(smartq_jack_gpios),
- smartq_jack_gpios);
-
- return err;
-}
-
-static struct snd_soc_dai_link smartq_dai[] = {
- {
- .name = "wm8987",
- .stream_name = "SmartQ Hi-Fi",
- .cpu_dai_name = "s3c64xx-i2s.0",
- .codec_dai_name = "wm8750-hifi",
- .platform_name = "s3c24xx-pcm-audio",
- .codec_name = "wm8750-codec.0-0x1a",
- .init = smartq_wm8987_init,
- .ops = &smartq_hifi_ops,
- },
-};
-
-static struct snd_soc_card snd_soc_smartq = {
- .name = "SmartQ",
- .dai_link = smartq_dai,
- .num_links = ARRAY_SIZE(smartq_dai),
-};
-
-static struct platform_device *smartq_snd_device;
-
-static int __init smartq_init(void)
-{
- int ret;
-
- if (!machine_is_smartq7() && !machine_is_smartq5()) {
- pr_info("Only SmartQ is supported by this ASoC driver\n");
- return -ENODEV;
- }
-
- smartq_snd_device = platform_device_alloc("soc-audio", -1);
- if (!smartq_snd_device)
- return -ENOMEM;
-
- platform_set_drvdata(smartq_snd_device, &snd_soc_smartq);
-
- ret = platform_device_add(smartq_snd_device);
- if (ret) {
- platform_device_put(smartq_snd_device);
- return ret;
- }
-
- /* Initialise GPIOs used by amplifiers */
- ret = gpio_request(S3C64XX_GPK(12), "amplifiers shutdown");
- if (ret) {
- dev_err(&smartq_snd_device->dev, "Failed to register GPK12\n");
- goto err_unregister_device;
- }
-
- /* Disable amplifiers */
- ret = gpio_direction_output(S3C64XX_GPK(12), 1);
- if (ret) {
- dev_err(&smartq_snd_device->dev, "Failed to configure GPK12\n");
- goto err_free_gpio_amp_shut;
- }
-
- return 0;
-
-err_free_gpio_amp_shut:
- gpio_free(S3C64XX_GPK(12));
-err_unregister_device:
- platform_device_unregister(smartq_snd_device);
-
- return ret;
-}
-
-static void __exit smartq_exit(void)
-{
- snd_soc_jack_free_gpios(&smartq_jack, ARRAY_SIZE(smartq_jack_gpios),
- smartq_jack_gpios);
-
- platform_device_unregister(smartq_snd_device);
-}
-
-module_init(smartq_init);
-module_exit(smartq_exit);
-
-/* Module information */
-MODULE_AUTHOR("Maurus Cuelenaere <mcuelenaere@gmail.com>");
-MODULE_DESCRIPTION("ALSA SoC SmartQ WM8987");
-MODULE_LICENSE("GPL");
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