diff options
Diffstat (limited to 'target/linux/xburst/patches-2.6.35/065-qi_lb60-sound.patch')
| -rw-r--r-- | target/linux/xburst/patches-2.6.35/065-qi_lb60-sound.patch | 211 |
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"); |