diff options
Diffstat (limited to 'meta/recipes-kernel/linux/linux-omap-2.6.29/0001-ASoC-Add-support-for-OMAP3-EVM.patch')
| -rw-r--r-- | meta/recipes-kernel/linux/linux-omap-2.6.29/0001-ASoC-Add-support-for-OMAP3-EVM.patch | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/meta/recipes-kernel/linux/linux-omap-2.6.29/0001-ASoC-Add-support-for-OMAP3-EVM.patch b/meta/recipes-kernel/linux/linux-omap-2.6.29/0001-ASoC-Add-support-for-OMAP3-EVM.patch new file mode 100644 index 0000000000..a76e96e444 --- /dev/null +++ b/meta/recipes-kernel/linux/linux-omap-2.6.29/0001-ASoC-Add-support-for-OMAP3-EVM.patch @@ -0,0 +1,206 @@ +From c1dad0b6b434300ae64c902d11611c54c513ea10 Mon Sep 17 00:00:00 2001 +From: Anuj Aggarwal <anuj.aggarwal@ti.com> +Date: Fri, 21 Nov 2008 17:41:03 +0530 +Subject: [PATCH] ASoC: Add support for OMAP3 EVM + +This patch adds ALSA SoC support for OMAP3 EVM using TWL4030 audio codec. + +Signed-off-by: Anuj Aggarwal <anuj.aggarwal@ti.com> +--- + sound/soc/omap/Kconfig | 8 +++ + sound/soc/omap/Makefile | 3 +- + sound/soc/omap/omap3evm.c | 147 +++++++++++++++++++++++++++++++++++++++++++++ + 3 files changed, 157 insertions(+), 1 deletions(-) + create mode 100644 sound/soc/omap/omap3evm.c + +diff --git a/sound/soc/omap/Kconfig b/sound/soc/omap/Kconfig +index 0daeee4..deb6ba9 100644 +--- a/sound/soc/omap/Kconfig ++++ b/sound/soc/omap/Kconfig +@@ -22,6 +22,14 @@ config SND_OMAP_SOC_OMAP3_BEAGLE + help + Say Y if you want to add support for SoC audio on the Beagleboard. + ++config SND_OMAP_SOC_OMAP3EVM ++ tristate "SoC Audio support for OMAP3EVM board" ++ depends on SND_OMAP_SOC && MACH_OMAP3EVM ++ select SND_OMAP_SOC_MCBSP ++ select SND_SOC_TWL4030 ++ help ++ Say Y if you want to add support for SoC audio on the omap3evm board. ++ + config SND_OMAP_SOC_OSK5912 + tristate "SoC Audio support for omap osk5912" + depends on SND_OMAP_SOC && MACH_OMAP_OSK +diff --git a/sound/soc/omap/Makefile b/sound/soc/omap/Makefile +index 4bae404..ef31c25 100644 +--- a/sound/soc/omap/Makefile ++++ b/sound/soc/omap/Makefile +@@ -10,9 +10,10 @@ snd-soc-n810-objs := n810.o + snd-soc-omap3beagle-objs := omap3beagle.o + snd-soc-osk5912-objs := osk5912.o + snd-soc-overo-objs := overo.o ++snd-soc-omap3evm-objs := omap3evm.o + + obj-$(CONFIG_SND_OMAP_SOC_N810) += snd-soc-n810.o + obj-$(CONFIG_SND_OMAP_SOC_OMAP3_BEAGLE) += snd-soc-omap3beagle.o + obj-$(CONFIG_SND_OMAP_SOC_OSK5912) += snd-soc-osk5912.o + obj-$(CONFIG_SND_OMAP_SOC_OVERO) += snd-soc-overo.o +- ++obj-$(CONFIG_MACH_OMAP3EVM) += snd-soc-omap3evm.o +diff --git a/sound/soc/omap/omap3evm.c b/sound/soc/omap/omap3evm.c +new file mode 100644 +index 0000000..570af55 +--- /dev/null ++++ b/sound/soc/omap/omap3evm.c +@@ -0,0 +1,147 @@ ++/* ++ * omap3evm.c -- ALSA SoC support for OMAP3 EVM ++ * ++ * Author: Anuj Aggarwal <anuj.aggarwal@ti.com> ++ * ++ * Based on sound/soc/omap/beagle.c by Steve Sakoman ++ * ++ * Copyright (C) 2008 Texas Instruments, Incorporated ++ * ++ * 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 version 2. ++ * ++ * This program is distributed "as is" WITHOUT ANY WARRANTY of any kind, ++ * whether express or implied; without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ++ * General Public License for more details. ++ */ ++ ++#include <linux/clk.h> ++#include <linux/platform_device.h> ++#include <sound/core.h> ++#include <sound/pcm.h> ++#include <sound/soc.h> ++#include <sound/soc-dapm.h> ++ ++#include <asm/mach-types.h> ++#include <mach/hardware.h> ++#include <mach/gpio.h> ++#include <mach/mcbsp.h> ++ ++#include "omap-mcbsp.h" ++#include "omap-pcm.h" ++#include "../codecs/twl4030.h" ++ ++static int omap3evm_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->dai->codec_dai; ++ struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; ++ int ret; ++ ++ /* Set codec DAI configuration */ ++ ret = snd_soc_dai_set_fmt(codec_dai, ++ SND_SOC_DAIFMT_I2S | ++ SND_SOC_DAIFMT_NB_NF | ++ SND_SOC_DAIFMT_CBM_CFM); ++ if (ret < 0) { ++ printk(KERN_ERR "can't set codec DAI configuration\n"); ++ return ret; ++ } ++ ++ /* Set cpu DAI configuration */ ++ ret = snd_soc_dai_set_fmt(cpu_dai, ++ SND_SOC_DAIFMT_I2S | ++ SND_SOC_DAIFMT_NB_NF | ++ SND_SOC_DAIFMT_CBM_CFM); ++ if (ret < 0) { ++ printk(KERN_ERR "can't set cpu DAI configuration\n"); ++ return ret; ++ } ++ ++ /* Set the codec system clock for DAC and ADC */ ++ ret = snd_soc_dai_set_sysclk(codec_dai, 0, 26000000, ++ SND_SOC_CLOCK_IN); ++ if (ret < 0) { ++ printk(KERN_ERR "can't set codec system clock\n"); ++ return ret; ++ } ++ ++ return 0; ++} ++ ++static struct snd_soc_ops omap3evm_ops = { ++ .hw_params = omap3evm_hw_params, ++}; ++ ++/* Digital audio interface glue - connects codec <--> CPU */ ++static struct snd_soc_dai_link omap3evm_dai = { ++ .name = "TWL4030", ++ .stream_name = "TWL4030", ++ .cpu_dai = &omap_mcbsp_dai[0], ++ .codec_dai = &twl4030_dai, ++ .ops = &omap3evm_ops, ++}; ++ ++/* Audio machine driver */ ++static struct snd_soc_machine snd_soc_machine_omap3evm = { ++ .name = "omap3evm", ++ .dai_link = &omap3evm_dai, ++ .num_links = 1, ++}; ++ ++/* Audio subsystem */ ++static struct snd_soc_device omap3evm_snd_devdata = { ++ .machine = &snd_soc_machine_omap3evm, ++ .platform = &omap_soc_platform, ++ .codec_dev = &soc_codec_dev_twl4030, ++}; ++ ++static struct platform_device *omap3evm_snd_device; ++ ++static int __init omap3evm_soc_init(void) ++{ ++ int ret; ++ ++ if (!machine_is_omap3evm()) { ++ pr_debug("Not OMAP3 EVM!\n"); ++ return -ENODEV; ++ } ++ pr_info("OMAP3 EVM SoC init\n"); ++ ++ omap3evm_snd_device = platform_device_alloc("soc-audio", -1); ++ if (!omap3evm_snd_device) { ++ printk(KERN_ERR "Platform device allocation failed\n"); ++ return -ENOMEM; ++ } ++ ++ platform_set_drvdata(omap3evm_snd_device, &omap3evm_snd_devdata); ++ omap3evm_snd_devdata.dev = &omap3evm_snd_device->dev; ++ *(unsigned int *)omap3evm_dai.cpu_dai->private_data = 1; /* McBSP2 */ ++ ++ ret = platform_device_add(omap3evm_snd_device); ++ if (ret) ++ goto err1; ++ ++ return 0; ++ ++err1: ++ printk(KERN_ERR "Unable to add platform device\n"); ++ platform_device_put(omap3evm_snd_device); ++ ++ return ret; ++} ++ ++static void __exit omap3evm_soc_exit(void) ++{ ++ platform_device_unregister(omap3evm_snd_device); ++} ++ ++module_init(omap3evm_soc_init); ++module_exit(omap3evm_soc_exit); ++ ++MODULE_AUTHOR("Anuj Aggarwal <anuj.aggarwal@ti.com>"); ++MODULE_DESCRIPTION("ALSA SoC OMAP3 EVM"); ++MODULE_LICENSE("GPL"); +-- +1.5.6.5 + |