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authorPhilip Balister <philip@balister.org>2009-01-11 09:18:42 -0500
committerPhilip Balister <philip@balister.org>2009-01-11 09:18:42 -0500
commitc64ada5c2865a4b3f84ca64f4515034e215a86dd (patch)
tree1e5cb6f2c656cec6d73e8a390eb8c70fd6d439d1 /packages/linux/linux-omap-pm/0001-ASoC-Add-support-for-OMAP3-EVM.patch
parentb7e746ca9db1cd9b55f9c3b703c8776fb099e1d6 (diff)
linux-omap-pm : Add recipe for OMAP3 kernel with power management. This tracks
Kevin Hilmans git tree. When the OMAP3 pm stuff is merged into the linux-omap git, this recipe should be removed.
Diffstat (limited to 'packages/linux/linux-omap-pm/0001-ASoC-Add-support-for-OMAP3-EVM.patch')
-rw-r--r--packages/linux/linux-omap-pm/0001-ASoC-Add-support-for-OMAP3-EVM.patch206
1 files changed, 206 insertions, 0 deletions
diff --git a/packages/linux/linux-omap-pm/0001-ASoC-Add-support-for-OMAP3-EVM.patch b/packages/linux/linux-omap-pm/0001-ASoC-Add-support-for-OMAP3-EVM.patch
new file mode 100644
index 0000000000..a76e96e444
--- /dev/null
+++ b/packages/linux/linux-omap-pm/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
+