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Diffstat (limited to 'ANDROID_3.4.5/sound/soc/samsung/littlemill.c')
-rw-r--r--ANDROID_3.4.5/sound/soc/samsung/littlemill.c256
1 files changed, 0 insertions, 256 deletions
diff --git a/ANDROID_3.4.5/sound/soc/samsung/littlemill.c b/ANDROID_3.4.5/sound/soc/samsung/littlemill.c
deleted file mode 100644
index e7416851..00000000
--- a/ANDROID_3.4.5/sound/soc/samsung/littlemill.c
+++ /dev/null
@@ -1,256 +0,0 @@
-/*
- * Littlemill audio support
- *
- * Copyright 2011 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 <sound/soc.h>
-#include <sound/soc-dapm.h>
-#include <sound/jack.h>
-#include <linux/gpio.h>
-#include <linux/module.h>
-
-#include "../codecs/wm8994.h"
-
-static int sample_rate = 44100;
-
-static int littlemill_set_bias_level(struct snd_soc_card *card,
- struct snd_soc_dapm_context *dapm,
- enum snd_soc_bias_level level)
-{
- struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai;
- int ret;
-
- if (dapm->dev != codec_dai->dev)
- return 0;
-
- switch (level) {
- case SND_SOC_BIAS_PREPARE:
- /*
- * If we've not already clocked things via hw_params()
- * then do so now, otherwise these are noops.
- */
- if (dapm->bias_level == SND_SOC_BIAS_STANDBY) {
- ret = snd_soc_dai_set_pll(codec_dai, WM8994_FLL1,
- WM8994_FLL_SRC_MCLK2, 32768,
- sample_rate * 512);
- if (ret < 0) {
- pr_err("Failed to start FLL: %d\n", ret);
- return ret;
- }
-
- ret = snd_soc_dai_set_sysclk(codec_dai,
- WM8994_SYSCLK_FLL1,
- sample_rate * 512,
- SND_SOC_CLOCK_IN);
- if (ret < 0) {
- pr_err("Failed to set SYSCLK: %d\n", ret);
- return ret;
- }
- }
- break;
-
- default:
- break;
- }
-
- return 0;
-}
-
-static int littlemill_set_bias_level_post(struct snd_soc_card *card,
- struct snd_soc_dapm_context *dapm,
- enum snd_soc_bias_level level)
-{
- struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai;
- int ret;
-
- if (dapm->dev != codec_dai->dev)
- return 0;
-
- switch (level) {
- case SND_SOC_BIAS_STANDBY:
- ret = snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_MCLK2,
- 32768, SND_SOC_CLOCK_IN);
- if (ret < 0) {
- pr_err("Failed to switch away from FLL: %d\n", ret);
- return ret;
- }
-
- ret = snd_soc_dai_set_pll(codec_dai, WM8994_FLL1,
- 0, 0, 0);
- if (ret < 0) {
- pr_err("Failed to stop FLL: %d\n", ret);
- return ret;
- }
- break;
-
- default:
- break;
- }
-
- dapm->bias_level = level;
-
- return 0;
-}
-
-static int littlemill_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;
- int ret;
-
- sample_rate = params_rate(params);
-
- ret = snd_soc_dai_set_pll(codec_dai, WM8994_FLL1,
- WM8994_FLL_SRC_MCLK2, 32768,
- sample_rate * 512);
- if (ret < 0) {
- pr_err("Failed to start FLL: %d\n", ret);
- return ret;
- }
-
- ret = snd_soc_dai_set_sysclk(codec_dai,
- WM8994_SYSCLK_FLL1,
- sample_rate * 512,
- SND_SOC_CLOCK_IN);
- if (ret < 0) {
- pr_err("Failed to set SYSCLK: %d\n", ret);
- return ret;
- }
-
- return 0;
-}
-
-static struct snd_soc_ops littlemill_ops = {
- .hw_params = littlemill_hw_params,
-};
-
-static struct snd_soc_dai_link littlemill_dai[] = {
- {
- .name = "CPU",
- .stream_name = "CPU",
- .cpu_dai_name = "samsung-i2s.0",
- .codec_dai_name = "wm8994-aif1",
- .platform_name = "samsung-audio",
- .codec_name = "wm8994-codec",
- .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
- | SND_SOC_DAIFMT_CBM_CFM,
- .ops = &littlemill_ops,
- },
-};
-
-static struct snd_soc_dapm_widget widgets[] = {
- SND_SOC_DAPM_HP("Headphone", NULL),
-
- SND_SOC_DAPM_MIC("AMIC", NULL),
- SND_SOC_DAPM_MIC("DMIC", NULL),
-};
-
-static struct snd_soc_dapm_route audio_paths[] = {
- { "Headphone", NULL, "HPOUT1L" },
- { "Headphone", NULL, "HPOUT1R" },
-
- { "AMIC", NULL, "MICBIAS1" }, /* Default for AMICBIAS jumper */
- { "IN1LN", NULL, "AMIC" },
-
- { "DMIC", NULL, "MICBIAS2" }, /* Default for DMICBIAS jumper */
- { "DMIC1DAT", NULL, "DMIC" },
- { "DMIC2DAT", NULL, "DMIC" },
-};
-
-static struct snd_soc_jack littlemill_headset;
-
-static int littlemill_late_probe(struct snd_soc_card *card)
-{
- struct snd_soc_codec *codec = card->rtd[0].codec;
- struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai;
- int ret;
-
- ret = snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_MCLK2,
- 32768, SND_SOC_CLOCK_IN);
- if (ret < 0)
- return ret;
-
- ret = snd_soc_jack_new(codec, "Headset",
- SND_JACK_HEADSET | SND_JACK_MECHANICAL |
- SND_JACK_BTN_0 | SND_JACK_BTN_1 |
- SND_JACK_BTN_2 | SND_JACK_BTN_3 |
- SND_JACK_BTN_4 | SND_JACK_BTN_5,
- &littlemill_headset);
- if (ret)
- return ret;
-
- /* This will check device compatibility itself */
- wm8958_mic_detect(codec, &littlemill_headset, NULL, NULL);
-
- /* As will this */
- wm8994_mic_detect(codec, &littlemill_headset, 1);
-
- return 0;
-}
-
-static struct snd_soc_card littlemill = {
- .name = "Littlemill",
- .owner = THIS_MODULE,
- .dai_link = littlemill_dai,
- .num_links = ARRAY_SIZE(littlemill_dai),
-
- .set_bias_level = littlemill_set_bias_level,
- .set_bias_level_post = littlemill_set_bias_level_post,
-
- .dapm_widgets = widgets,
- .num_dapm_widgets = ARRAY_SIZE(widgets),
- .dapm_routes = audio_paths,
- .num_dapm_routes = ARRAY_SIZE(audio_paths),
-
- .late_probe = littlemill_late_probe,
-};
-
-static __devinit int littlemill_probe(struct platform_device *pdev)
-{
- struct snd_soc_card *card = &littlemill;
- int ret;
-
- card->dev = &pdev->dev;
-
- ret = snd_soc_register_card(card);
- if (ret) {
- dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
- ret);
- return ret;
- }
-
- return 0;
-}
-
-static int __devexit littlemill_remove(struct platform_device *pdev)
-{
- struct snd_soc_card *card = platform_get_drvdata(pdev);
-
- snd_soc_unregister_card(card);
-
- return 0;
-}
-
-static struct platform_driver littlemill_driver = {
- .driver = {
- .name = "littlemill",
- .owner = THIS_MODULE,
- .pm = &snd_soc_pm_ops,
- },
- .probe = littlemill_probe,
- .remove = __devexit_p(littlemill_remove),
-};
-
-module_platform_driver(littlemill_driver);
-
-MODULE_DESCRIPTION("Littlemill audio support");
-MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:littlemill");
generated by cgit (git 2.34.1) at 2024-12-21 17:50:31 +0000