summaryrefslogtreecommitdiff
path: root/sound/soc/samsung/neo1973_wm8753.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/samsung/neo1973_wm8753.c')
-rw-r--r--sound/soc/samsung/neo1973_wm8753.c395
1 files changed, 0 insertions, 395 deletions
diff --git a/sound/soc/samsung/neo1973_wm8753.c b/sound/soc/samsung/neo1973_wm8753.c
deleted file mode 100644
index 65602b935377..000000000000
--- a/sound/soc/samsung/neo1973_wm8753.c
+++ /dev/null
@@ -1,395 +0,0 @@
-/*
- * neo1973_wm8753.c -- SoC audio for Openmoko Neo1973 and Freerunner devices
- *
- * Copyright 2007 Openmoko Inc
- * Author: Graeme Gregory <graeme@openmoko.org>
- * Copyright 2007 Wolfson Microelectronics PLC.
- * Author: Graeme Gregory
- * graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com
- * Copyright 2009 Wolfson Microelectronics
- *
- * 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/soc.h>
-
-#include <mach/gpio-samsung.h>
-#include <asm/mach-types.h>
-#include "regs-iis.h"
-
-#include "../codecs/wm8753.h"
-#include "s3c24xx-i2s.h"
-
-static int neo1973_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->codec_dai;
- struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
- unsigned int pll_out = 0, bclk = 0;
- int ret = 0;
- unsigned long iis_clkrate;
-
- iis_clkrate = s3c24xx_i2s_get_clockrate();
-
- switch (params_rate(params)) {
- case 8000:
- case 16000:
- pll_out = 12288000;
- break;
- case 48000:
- bclk = WM8753_BCLK_DIV_4;
- pll_out = 12288000;
- break;
- case 96000:
- bclk = WM8753_BCLK_DIV_2;
- pll_out = 12288000;
- break;
- case 11025:
- bclk = WM8753_BCLK_DIV_16;
- pll_out = 11289600;
- break;
- case 22050:
- bclk = WM8753_BCLK_DIV_8;
- pll_out = 11289600;
- break;
- case 44100:
- bclk = WM8753_BCLK_DIV_4;
- pll_out = 11289600;
- break;
- case 88200:
- bclk = WM8753_BCLK_DIV_2;
- pll_out = 11289600;
- break;
- }
-
- /* set the codec system clock for DAC and ADC */
- ret = snd_soc_dai_set_sysclk(codec_dai, WM8753_MCLK, pll_out,
- SND_SOC_CLOCK_IN);
- if (ret < 0)
- return ret;
-
- /* set MCLK division for sample rate */
- ret = snd_soc_dai_set_clkdiv(cpu_dai, S3C24XX_DIV_MCLK,
- S3C2410_IISMOD_32FS);
- if (ret < 0)
- return ret;
-
- /* set codec BCLK division for sample rate */
- ret = snd_soc_dai_set_clkdiv(codec_dai, WM8753_BCLKDIV, bclk);
- if (ret < 0)
- return ret;
-
- /* set prescaler division for sample rate */
- ret = snd_soc_dai_set_clkdiv(cpu_dai, S3C24XX_DIV_PRESCALER,
- S3C24XX_PRESCALE(4, 4));
- if (ret < 0)
- return ret;
-
- /* codec PLL input is PCLK/4 */
- ret = snd_soc_dai_set_pll(codec_dai, WM8753_PLL1, 0,
- iis_clkrate / 4, pll_out);
- if (ret < 0)
- return ret;
-
- return 0;
-}
-
-static int neo1973_hifi_hw_free(struct snd_pcm_substream *substream)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_dai *codec_dai = rtd->codec_dai;
-
- /* disable the PLL */
- return snd_soc_dai_set_pll(codec_dai, WM8753_PLL1, 0, 0, 0);
-}
-
-/*
- * Neo1973 WM8753 HiFi DAI opserations.
- */
-static struct snd_soc_ops neo1973_hifi_ops = {
- .hw_params = neo1973_hifi_hw_params,
- .hw_free = neo1973_hifi_hw_free,
-};
-
-static int neo1973_voice_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;
- unsigned int pcmdiv = 0;
- int ret = 0;
- unsigned long iis_clkrate;
-
- iis_clkrate = s3c24xx_i2s_get_clockrate();
-
- if (params_rate(params) != 8000)
- return -EINVAL;
- if (params_channels(params) != 1)
- return -EINVAL;
-
- pcmdiv = WM8753_PCM_DIV_6; /* 2.048 MHz */
-
- /* set the codec system clock for DAC and ADC */
- ret = snd_soc_dai_set_sysclk(codec_dai, WM8753_PCMCLK, 12288000,
- SND_SOC_CLOCK_IN);
- if (ret < 0)
- return ret;
-
- /* set codec PCM division for sample rate */
- ret = snd_soc_dai_set_clkdiv(codec_dai, WM8753_PCMDIV, pcmdiv);
- if (ret < 0)
- return ret;
-
- /* configure and enable PLL for 12.288MHz output */
- ret = snd_soc_dai_set_pll(codec_dai, WM8753_PLL2, 0,
- iis_clkrate / 4, 12288000);
- if (ret < 0)
- return ret;
-
- return 0;
-}
-
-static int neo1973_voice_hw_free(struct snd_pcm_substream *substream)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_dai *codec_dai = rtd->codec_dai;
-
- /* disable the PLL */
- return snd_soc_dai_set_pll(codec_dai, WM8753_PLL2, 0, 0, 0);
-}
-
-static struct snd_soc_ops neo1973_voice_ops = {
- .hw_params = neo1973_voice_hw_params,
- .hw_free = neo1973_voice_hw_free,
-};
-
-static int gta02_speaker_enabled;
-
-static int lm4853_set_spk(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- gta02_speaker_enabled = ucontrol->value.integer.value[0];
-
- gpio_set_value(S3C2410_GPJ(2), !gta02_speaker_enabled);
-
- return 0;
-}
-
-static int lm4853_get_spk(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- ucontrol->value.integer.value[0] = gta02_speaker_enabled;
- return 0;
-}
-
-static int lm4853_event(struct snd_soc_dapm_widget *w,
- struct snd_kcontrol *k, int event)
-{
- gpio_set_value(S3C2410_GPJ(1), SND_SOC_DAPM_EVENT_OFF(event));
-
- return 0;
-}
-
-static const struct snd_soc_dapm_widget neo1973_wm8753_dapm_widgets[] = {
- SND_SOC_DAPM_LINE("GSM Line Out", NULL),
- SND_SOC_DAPM_LINE("GSM Line In", NULL),
- SND_SOC_DAPM_MIC("Headset Mic", NULL),
- SND_SOC_DAPM_MIC("Handset Mic", NULL),
- SND_SOC_DAPM_SPK("Handset Spk", NULL),
- SND_SOC_DAPM_SPK("Stereo Out", lm4853_event),
-};
-
-static const struct snd_soc_dapm_route neo1973_wm8753_routes[] = {
- /* Connections to the GSM Module */
- {"GSM Line Out", NULL, "MONO1"},
- {"GSM Line Out", NULL, "MONO2"},
- {"RXP", NULL, "GSM Line In"},
- {"RXN", NULL, "GSM Line In"},
-
- /* Connections to Headset */
- {"MIC1", NULL, "Mic Bias"},
- {"Mic Bias", NULL, "Headset Mic"},
-
- /* Call Mic */
- {"MIC2", NULL, "Mic Bias"},
- {"MIC2N", NULL, "Mic Bias"},
- {"Mic Bias", NULL, "Handset Mic"},
-
- /* Connect the ALC pins */
- {"ACIN", NULL, "ACOP"},
-
- /* Connections to the amp */
- {"Stereo Out", NULL, "LOUT1"},
- {"Stereo Out", NULL, "ROUT1"},
-
- /* Call Speaker */
- {"Handset Spk", NULL, "LOUT2"},
- {"Handset Spk", NULL, "ROUT2"},
-};
-
-static const struct snd_kcontrol_new neo1973_wm8753_controls[] = {
- SOC_DAPM_PIN_SWITCH("GSM Line Out"),
- SOC_DAPM_PIN_SWITCH("GSM Line In"),
- SOC_DAPM_PIN_SWITCH("Headset Mic"),
- SOC_DAPM_PIN_SWITCH("Handset Mic"),
- SOC_DAPM_PIN_SWITCH("Handset Spk"),
- SOC_DAPM_PIN_SWITCH("Stereo Out"),
-
- SOC_SINGLE_BOOL_EXT("Amp Spk Switch", 0,
- lm4853_get_spk,
- lm4853_set_spk),
-};
-
-static int neo1973_wm8753_init(struct snd_soc_pcm_runtime *rtd)
-{
- struct snd_soc_card *card = rtd->card;
-
- /* set endpoints to default off mode */
- snd_soc_dapm_disable_pin(&card->dapm, "GSM Line Out");
- snd_soc_dapm_disable_pin(&card->dapm, "GSM Line In");
- snd_soc_dapm_disable_pin(&card->dapm, "Headset Mic");
- snd_soc_dapm_disable_pin(&card->dapm, "Handset Mic");
- snd_soc_dapm_disable_pin(&card->dapm, "Stereo Out");
- snd_soc_dapm_disable_pin(&card->dapm, "Handset Spk");
-
- /* allow audio paths from the GSM modem to run during suspend */
- snd_soc_dapm_ignore_suspend(&card->dapm, "GSM Line Out");
- snd_soc_dapm_ignore_suspend(&card->dapm, "GSM Line In");
- snd_soc_dapm_ignore_suspend(&card->dapm, "Headset Mic");
- snd_soc_dapm_ignore_suspend(&card->dapm, "Handset Mic");
- snd_soc_dapm_ignore_suspend(&card->dapm, "Stereo Out");
- snd_soc_dapm_ignore_suspend(&card->dapm, "Handset Spk");
-
- return 0;
-}
-
-static struct snd_soc_dai_link neo1973_dai[] = {
-{ /* Hifi Playback - for similatious use with voice below */
- .name = "WM8753",
- .stream_name = "WM8753 HiFi",
- .platform_name = "s3c24xx-iis",
- .cpu_dai_name = "s3c24xx-iis",
- .codec_dai_name = "wm8753-hifi",
- .codec_name = "wm8753.0-001a",
- .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
- SND_SOC_DAIFMT_CBM_CFM,
- .init = neo1973_wm8753_init,
- .ops = &neo1973_hifi_ops,
-},
-{ /* Voice via BT */
- .name = "Bluetooth",
- .stream_name = "Voice",
- .cpu_dai_name = "bt-sco-pcm",
- .codec_dai_name = "wm8753-voice",
- .codec_name = "wm8753.0-001a",
- .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_NB_NF |
- SND_SOC_DAIFMT_CBS_CFS,
- .ops = &neo1973_voice_ops,
-},
-};
-
-static struct snd_soc_aux_dev neo1973_aux_devs[] = {
- {
- .name = "dfbmcs320",
- .codec_name = "dfbmcs320.0",
- },
-};
-
-static struct snd_soc_codec_conf neo1973_codec_conf[] = {
- {
- .dev_name = "lm4857.0-007c",
- .name_prefix = "Amp",
- },
-};
-
-static const struct gpio neo1973_gta02_gpios[] = {
- { S3C2410_GPJ(2), GPIOF_OUT_INIT_HIGH, "GTA02_HP_IN" },
- { S3C2410_GPJ(1), GPIOF_OUT_INIT_HIGH, "GTA02_AMP_SHUT" },
-};
-
-static struct snd_soc_card neo1973 = {
- .name = "neo1973",
- .owner = THIS_MODULE,
- .dai_link = neo1973_dai,
- .num_links = ARRAY_SIZE(neo1973_dai),
- .aux_dev = neo1973_aux_devs,
- .num_aux_devs = ARRAY_SIZE(neo1973_aux_devs),
- .codec_conf = neo1973_codec_conf,
- .num_configs = ARRAY_SIZE(neo1973_codec_conf),
-
- .controls = neo1973_wm8753_controls,
- .num_controls = ARRAY_SIZE(neo1973_wm8753_controls),
- .dapm_widgets = neo1973_wm8753_dapm_widgets,
- .num_dapm_widgets = ARRAY_SIZE(neo1973_wm8753_dapm_widgets),
- .dapm_routes = neo1973_wm8753_routes,
- .num_dapm_routes = ARRAY_SIZE(neo1973_wm8753_routes),
- .fully_routed = true,
-};
-
-static struct platform_device *neo1973_snd_device;
-
-static int __init neo1973_init(void)
-{
- int ret;
-
- if (!machine_is_neo1973_gta02())
- return -ENODEV;
-
- if (machine_is_neo1973_gta02()) {
- neo1973.name = "neo1973gta02";
- neo1973.num_aux_devs = 1;
-
- ret = gpio_request_array(neo1973_gta02_gpios,
- ARRAY_SIZE(neo1973_gta02_gpios));
- if (ret)
- return ret;
- }
-
- neo1973_snd_device = platform_device_alloc("soc-audio", -1);
- if (!neo1973_snd_device) {
- ret = -ENOMEM;
- goto err_gpio_free;
- }
-
- platform_set_drvdata(neo1973_snd_device, &neo1973);
- ret = platform_device_add(neo1973_snd_device);
-
- if (ret)
- goto err_put_device;
-
- return 0;
-
-err_put_device:
- platform_device_put(neo1973_snd_device);
-err_gpio_free:
- if (machine_is_neo1973_gta02()) {
- gpio_free_array(neo1973_gta02_gpios,
- ARRAY_SIZE(neo1973_gta02_gpios));
- }
- return ret;
-}
-module_init(neo1973_init);
-
-static void __exit neo1973_exit(void)
-{
- platform_device_unregister(neo1973_snd_device);
-
- if (machine_is_neo1973_gta02()) {
- gpio_free_array(neo1973_gta02_gpios,
- ARRAY_SIZE(neo1973_gta02_gpios));
- }
-}
-module_exit(neo1973_exit);
-
-/* Module information */
-MODULE_AUTHOR("Graeme Gregory, graeme@openmoko.org, www.openmoko.org");
-MODULE_DESCRIPTION("ALSA SoC WM8753 Neo1973 and Frerunner");
-MODULE_LICENSE("GPL");