+++ /dev/null
-/*
- * Copyright (C) 2009, Lars-Peter Clausen <lars@metafoo.de>
- *
- * 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.
- *
- * 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.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/timer.h>
-#include <linux/interrupt.h>
-#include <linux/platform_device.h>
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/soc.h>
-#include <sound/soc-dapm.h>
-#include <linux/gpio.h>
-
-#include "../codecs/jzcodec.h"
-#include "jz4740-pcm.h"
-#include "jz4740-i2s.h"
-
-
-#define QI_LB60_SND_GPIO JZ_GPIO_PORTB(29)
-#define QI_LB60_AMP_GPIO JZ_GPIO_PORTD(4)
-
-static int qi_lb60_spk_event(struct snd_soc_dapm_widget *widget,
- struct snd_kcontrol *ctrl, int event)
-{
- int on = 0;
- if (event & SND_SOC_DAPM_POST_PMU)
- on = 1;
- else if (event & SND_SOC_DAPM_PRE_PMD)
- on = 0;
-
- gpio_set_value(QI_LB60_SND_GPIO, on);
- gpio_set_value(QI_LB60_AMP_GPIO, on);
-
- return 0;
-}
-
-static const struct snd_soc_dapm_widget qi_lb60_widgets[] = {
- SND_SOC_DAPM_SPK("Speaker", qi_lb60_spk_event),
- SND_SOC_DAPM_MIC("Mic", NULL),
-};
-
-static const struct snd_soc_dapm_route qi_lb60_routes[] = {
- {"Mic", NULL, "MIC"},
- {"Speaker", NULL, "LOUT"},
- {"Speaker", NULL, "ROUT"},
-};
-
-#define QI_LB60_DAIFMT (SND_SOC_DAIFMT_I2S | \
- SND_SOC_DAIFMT_NB_NF | \
- SND_SOC_DAIFMT_CBM_CFM)
-
-static int qi_lb60_codec_init(struct snd_soc_codec *codec)
-{
- int ret;
- struct snd_soc_dai *cpu_dai = codec->socdev->card->dai_link->cpu_dai;
- struct snd_soc_dai *codec_dai = codec->socdev->card->dai_link->codec_dai;
-
- snd_soc_dapm_nc_pin(codec, "LIN");
- snd_soc_dapm_nc_pin(codec, "RIN");
-
- ret = snd_soc_dai_set_fmt(codec_dai, QI_LB60_DAIFMT);
- if (ret < 0) {
- dev_err(codec->dev, "Failed to set codec dai format: %d\n", ret);
- return ret;
- }
-
- ret = snd_soc_dai_set_fmt(cpu_dai, QI_LB60_DAIFMT);
- if (ret < 0) {
- dev_err(codec->dev, "Failed to set cpu dai format: %d\n", ret);
- return ret;
- }
-
- ret = snd_soc_dai_set_sysclk(codec_dai, JZCODEC_SYSCLK, 111,
- SND_SOC_CLOCK_IN);
- if (ret < 0) {
- dev_err(codec->dev, "Failed to set codec dai sysclk: %d\n", ret);
- return ret;
- }
-
- snd_soc_dapm_new_controls(codec, qi_lb60_widgets, ARRAY_SIZE(qi_lb60_widgets));
-
- snd_soc_dapm_add_routes(codec, qi_lb60_routes, ARRAY_SIZE(qi_lb60_routes));
-
- snd_soc_dapm_sync(codec);
-
- return 0;
-}
-
-static struct snd_soc_dai_link qi_lb60_dai = {
- .name = "jz-codec",
- .stream_name = "JZCODEC",
- .cpu_dai = &jz4740_i2s_dai,
- .codec_dai = &jz_codec_dai,
- .init = qi_lb60_codec_init,
-};
-
-static struct snd_soc_card qi_lb60 = {
- .name = "QI LB60",
- .dai_link = &qi_lb60_dai,
- .num_links = 1,
- .platform = &jz4740_soc_platform,
-};
-
-static struct snd_soc_device qi_lb60_snd_devdata = {
- .card = &qi_lb60,
- .codec_dev = &soc_codec_dev_jzcodec,
-};
-
-static struct platform_device *qi_lb60_snd_device;
-
-static int __init qi_lb60_init(void)
-{
- int ret;
-
- qi_lb60_snd_device = platform_device_alloc("soc-audio", -1);
-
- if (!qi_lb60_snd_device)
- return -ENOMEM;
-
-
- ret = gpio_request(QI_LB60_SND_GPIO, "SND");
- if (ret) {
- pr_err("qi_lb60 snd: Failed to request SND GPIO(%d): %d\n",
- QI_LB60_SND_GPIO, ret);
- goto err_device_put;
- }
-
- ret = gpio_request(QI_LB60_AMP_GPIO, "AMP");
- if (ret) {
- pr_err("qi_lb60 snd: Failed to request AMP GPIO(%d): %d\n",
- QI_LB60_AMP_GPIO, ret);
- goto err_gpio_free_snd;
- }
-
- gpio_direction_output(JZ_GPIO_PORTB(29), 0);
- gpio_direction_output(JZ_GPIO_PORTD(4), 0);
-
- platform_set_drvdata(qi_lb60_snd_device, &qi_lb60_snd_devdata);
- qi_lb60_snd_devdata.dev = &qi_lb60_snd_device->dev;
- ret = platform_device_add(qi_lb60_snd_device);
- if (ret) {
- pr_err("qi_lb60 snd: Failed to add snd soc device: %d\n", ret);
- goto err_unset_pdata;
- }
-
- return 0;
-
-err_unset_pdata:
- platform_set_drvdata(qi_lb60_snd_device, NULL);
-/*err_gpio_free_amp:*/
- gpio_free(QI_LB60_AMP_GPIO);
-err_gpio_free_snd:
- gpio_free(QI_LB60_SND_GPIO);
-err_device_put:
- platform_device_put(qi_lb60_snd_device);
-
- return ret;
-}
-module_init(qi_lb60_init);
-
-static void __exit qi_lb60_exit(void)
-{
- gpio_free(QI_LB60_AMP_GPIO);
- gpio_free(QI_LB60_SND_GPIO);
- platform_device_unregister(qi_lb60_snd_device);
-}
-module_exit(qi_lb60_exit);
-
-MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
-MODULE_DESCRIPTION("ALSA SoC QI LB60 Audio support");
-MODULE_LICENSE("GPL v2");
projects / openwrt / svn-archive / archive.git / blobdiff