diff options
Diffstat (limited to 'target/linux/xburst/patches-2.6.35/067-n526-sound.patch')
| -rw-r--r-- | target/linux/xburst/patches-2.6.35/067-n526-sound.patch | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/target/linux/xburst/patches-2.6.35/067-n526-sound.patch b/target/linux/xburst/patches-2.6.35/067-n526-sound.patch new file mode 100644 index 0000000..3426820 --- /dev/null +++ b/target/linux/xburst/patches-2.6.35/067-n526-sound.patch @@ -0,0 +1,209 @@ +From b1c42b78b7bd779288f340e202820aa2c2cf6629 Mon Sep 17 00:00:00 2001 +From: Lars-Peter Clausen <lars@metafoo.de> +Date: Sat, 24 Apr 2010 12:38:41 +0200 +Subject: [PATCH] Add N526 sound SoC board driver + +--- + sound/soc/jz4740/Kconfig | 8 ++ + sound/soc/jz4740/Makefile | 2 + + sound/soc/jz4740/n526.c | 169 +++++++++++++++++++++++++++++++++++++++++++++ + 3 files changed, 179 insertions(+), 0 deletions(-) + create mode 100644 sound/soc/jz4740/n526.c + +--- a/sound/soc/jz4740/Kconfig ++++ b/sound/soc/jz4740/Kconfig +@@ -29,3 +29,11 @@ config SND_JZ4740_SOC_N516 + select SND_SOC_JZCODEC + help + Say Y if you want to enable support for SoC audio on the Hanvon N516. ++ ++config SND_JZ4740_SOC_N526 ++ tristate "SoC Audio support for Hanvon N526 eBook reader" ++ depends on SND_JZ4740_SOC && JZ4740_N526 ++ select SND_JZ4740_SOC_I2S ++ select SND_SOC_JZCODEC ++ help ++ Say Y if you want to enable support for SoC audio on the Hanvon N526. +--- a/sound/soc/jz4740/Makefile ++++ b/sound/soc/jz4740/Makefile +@@ -10,6 +10,8 @@ obj-$(CONFIG_SND_JZ4740_SOC_I2S) += snd- + # Jz4740 Machine Support + snd-soc-qi-lb60-objs := qi_lb60.o + snd-soc-n516-objs := n516.o ++snd-soc-n526-objs := n526.o + + obj-$(CONFIG_SND_JZ4740_SOC_QI_LB60) += snd-soc-qi-lb60.o + obj-$(CONFIG_SND_JZ4740_SOC_N516) += snd-soc-n516.o ++obj-$(CONFIG_SND_JZ4740_SOC_N526) += snd-soc-n526.o +--- /dev/null ++++ b/sound/soc/jz4740/n526.c +@@ -0,0 +1,169 @@ ++/* ++ * 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 N526_AMP_EN_GPIO JZ_GPIO_PORTD(4) ++ ++static int n526_spk_event(struct snd_soc_dapm_widget *widget, ++ struct snd_kcontrol *ctrl, int event) ++{ ++ gpio_set_value(N526_AMP_EN_GPIO, !SND_SOC_DAPM_EVENT_OFF(event)); ++ return 0; ++} ++ ++static const struct snd_soc_dapm_widget n526_widgets[] = { ++ SND_SOC_DAPM_SPK("Speaker", n526_spk_event), ++ SND_SOC_DAPM_HP("Headphone", NULL), ++ SND_SOC_DAPM_MIC("Mic", NULL), ++}; ++ ++static const struct snd_soc_dapm_route n526_routes[] = { ++ {"Mic", NULL, "MIC"}, ++ {"Speaker", NULL, "LOUT"}, ++ {"Speaker", NULL, "ROUT"}, ++ {"Headphone", NULL, "LOUT"}, ++ {"Headphone", NULL, "ROUT"}, ++}; ++ ++static const struct snd_kcontrol_new n526_controls[] = { ++ SOC_DAPM_PIN_SWITCH("Speaker"), ++}; ++ ++#define N526_DAIFMT (SND_SOC_DAIFMT_I2S | \ ++ SND_SOC_DAIFMT_NB_NF | \ ++ SND_SOC_DAIFMT_CBM_CFM) ++ ++static int n526_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, N526_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, N526_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, n526_widgets, ARRAY_SIZE(n526_widgets)); ++ ++ snd_soc_add_controls(codec, n526_controls, ++ ARRAY_SIZE(n526_controls)); ++ ++ snd_soc_dapm_add_routes(codec, n526_routes, ARRAY_SIZE(n526_routes)); ++ ++ snd_soc_dapm_sync(codec); ++ ++ return 0; ++} ++ ++static struct snd_soc_dai_link n526_dai = { ++ .name = "jz-codec", ++ .stream_name = "JZCODEC", ++ .cpu_dai = &jz4740_i2s_dai, ++ .codec_dai = &jz_codec_dai, ++ .init = n526_codec_init, ++}; ++ ++static struct snd_soc_card n526 = { ++ .name = "N526", ++ .dai_link = &n526_dai, ++ .num_links = 1, ++ .platform = &jz4740_soc_platform, ++}; ++ ++static struct snd_soc_device n526_snd_devdata = { ++ .card = &n526, ++ .codec_dev = &soc_codec_dev_jzcodec, ++}; ++ ++static struct platform_device *n526_snd_device; ++ ++static int __init n526_init(void) ++{ ++ int ret; ++ ++ n526_snd_device = platform_device_alloc("soc-audio", -1); ++ ++ if (!n526_snd_device) ++ return -ENOMEM; ++ ++ ret = gpio_request(N526_AMP_EN_GPIO, "AMP"); ++ if (ret) { ++ pr_err("n526 snd: Failed to request AMP GPIO(%d): %d\n", ++ N526_AMP_EN_GPIO, ret); ++ goto err_device_put; ++ } ++ ++ gpio_direction_output(JZ_GPIO_PORTD(4), 0); ++ ++ platform_set_drvdata(n526_snd_device, &n526_snd_devdata); ++ n526_snd_devdata.dev = &n526_snd_device->dev; ++ ret = platform_device_add(n526_snd_device); ++ if (ret) { ++ pr_err("n526 snd: Failed to add snd soc device: %d\n", ret); ++ goto err_unset_pdata; ++ } ++ ++ return 0; ++ ++err_unset_pdata: ++ platform_set_drvdata(n526_snd_device, NULL); ++ gpio_free(N526_AMP_EN_GPIO); ++err_device_put: ++ platform_device_put(n526_snd_device); ++ ++ return ret; ++} ++module_init(n526_init); ++ ++static void __exit n526_exit(void) ++{ ++ gpio_free(N526_AMP_EN_GPIO); ++ platform_device_unregister(n526_snd_device); ++} ++module_exit(n526_exit); ++ ++MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>"); ++MODULE_DESCRIPTION("ALSA SoC N526 audio support"); ++MODULE_LICENSE("GPL v2"); |