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-rw-r--r--target/linux/xburst/patches-2.6.35/065-qi_lb60-sound.patch211
1 files changed, 211 insertions, 0 deletions
diff --git a/target/linux/xburst/patches-2.6.35/065-qi_lb60-sound.patch b/target/linux/xburst/patches-2.6.35/065-qi_lb60-sound.patch
new file mode 100644
index 0000000000..cb4a5a26c5
--- /dev/null
+++ b/target/linux/xburst/patches-2.6.35/065-qi_lb60-sound.patch
@@ -0,0 +1,211 @@
+From 498365d473a863fdfceff28315ce8561752bc356 Mon Sep 17 00:00:00 2001
+From: Lars-Peter Clausen <lars@metafoo.de>
+Date: Sat, 19 Jun 2010 16:52:51 +0200
+Subject: [PATCH] ASoC: JZ4740: Add qi_lb60 board driver
+
+This patch adds ASoC support for the qi_lb60 board.
+
+Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
+Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
+Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
+---
+ sound/soc/jz4740/Kconfig | 9 +++
+ sound/soc/jz4740/Makefile | 4 +
+ sound/soc/jz4740/qi_lb60.c | 166 ++++++++++++++++++++++++++++++++++++++++++++
+ 3 files changed, 179 insertions(+), 0 deletions(-)
+ create mode 100644 sound/soc/jz4740/qi_lb60.c
+
+--- a/sound/soc/jz4740/Kconfig
++++ b/sound/soc/jz4740/Kconfig
+@@ -12,3 +12,12 @@ config SND_JZ4740_SOC_I2S
+ help
+ Say Y if you want to use I2S protocol and I2S codec on Ingenic JZ4740
+ based boards.
++
++config SND_JZ4740_SOC_QI_LB60
++ tristate "SoC Audio support for Qi LB60"
++ depends on SND_JZ4740_SOC && JZ4740_QI_LB60
++ select SND_JZ4740_SOC_I2S
++ select SND_SOC_JZ4740_CODEC
++ help
++ Say Y if you want to add support for ASoC audio on the Qi LB60 board
++ a.k.a Qi Ben NanoNote.
+--- a/sound/soc/jz4740/Makefile
++++ b/sound/soc/jz4740/Makefile
+@@ -7,3 +7,7 @@ snd-soc-jz4740-i2s-objs := jz4740-i2s.o
+ obj-$(CONFIG_SND_JZ4740_SOC) += snd-soc-jz4740.o
+ obj-$(CONFIG_SND_JZ4740_SOC_I2S) += snd-soc-jz4740-i2s.o
+
++# Jz4740 Machine Support
++snd-soc-qi-lb60-objs := qi_lb60.o
++
++obj-$(CONFIG_SND_JZ4740_SOC_QI_LB60) += snd-soc-qi-lb60.o
+--- /dev/null
++++ b/sound/soc/jz4740/qi_lb60.c
+@@ -0,0 +1,166 @@
++/*
++ * 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/jz4740.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;
++
++ snd_soc_dapm_nc_pin(codec, "LIN");
++ snd_soc_dapm_nc_pin(codec, "RIN");
++
++ 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;
++ }
++
++ 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 = "jz4740",
++ .stream_name = "jz4740",
++ .cpu_dai = &jz4740_i2s_dai,
++ .codec_dai = &jz4740_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_jz4740_codec,
++};
++
++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(QI_LB60_SND_GPIO, 0);
++ gpio_direction_output(QI_LB60_AMP_GPIO, 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");