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authorKoen Kooi <koen@openembedded.org>2008-09-25 10:57:20 +0000
committerKoen Kooi <koen@openembedded.org>2008-09-25 10:57:20 +0000
commit0b81567828ef0d0faf043f08c8bc83ff47746a7c (patch)
tree2bb1a85e7a7644f439d15873bba2422fcd1eed5d /packages/linux/linux-omap/beagleboard/beagle-asoc.diff
parentcb124a091a9a5fd2ea9e163c2f56f6510ab2b338 (diff)
linux-omap git: move back one rev to fix MMC, fix MUSB to host in defconfig, add beagle asoc driver
Diffstat (limited to 'packages/linux/linux-omap/beagleboard/beagle-asoc.diff')
-rw-r--r--packages/linux/linux-omap/beagleboard/beagle-asoc.diff212
1 files changed, 212 insertions, 0 deletions
diff --git a/packages/linux/linux-omap/beagleboard/beagle-asoc.diff b/packages/linux/linux-omap/beagleboard/beagle-asoc.diff
new file mode 100644
index 0000000000..6763d85c32
--- /dev/null
+++ b/packages/linux/linux-omap/beagleboard/beagle-asoc.diff
@@ -0,0 +1,212 @@
+From: Felipe Contreras <felipe.contreras@gmail.com>
+To: linux-omap@vger.kernel.org
+Cc: Felipe Contreras <felipe.contreras@gmail.com>
+Subject: [PATCH] alsa: add Beagleboard SoC configuration.
+
+This is exactly the same as the overo configuration. It might make sense
+to have them in a single one.
+
+Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
+---
+
+This was suggested by Koen Kooi.
+
+ sound/soc/omap/Kconfig | 8 ++
+ sound/soc/omap/Makefile | 2 +
+ sound/soc/omap/omap3beagle.c | 149 ++++++++++++++++++++++++++++++++++++++++++
+ 3 files changed, 159 insertions(+), 0 deletions(-)
+ create mode 100644 sound/soc/omap/omap3beagle.c
+
+diff --git a/sound/soc/omap/Kconfig b/sound/soc/omap/Kconfig
+index d7b8939..ebad024 100644
+--- a/sound/soc/omap/Kconfig
++++ b/sound/soc/omap/Kconfig
+@@ -22,3 +22,11 @@ config SND_OMAP_SOC_OVERO
+ help
+ Say Y if you want to add support for SoC audio on the Gumstix Overo.
+
++config SND_OMAP_SOC_OMAP3_BEAGLE
++ tristate "SoC Audio support for OMAP3 Beagle"
++ depends on SND_OMAP_SOC && MACH_OMAP3_BEAGLE
++ select SND_OMAP_SOC_MCBSP
++ select SND_SOC_TWL4030
++ help
++ Say Y if you want to add support for SoC audio on the Beagleboard.
++
+diff --git a/sound/soc/omap/Makefile b/sound/soc/omap/Makefile
+index b96b97b..09fd0bb 100644
+--- a/sound/soc/omap/Makefile
++++ b/sound/soc/omap/Makefile
+@@ -8,7 +8,9 @@ obj-$(CONFIG_SND_OMAP_SOC_MCBSP) += snd-soc-omap-mcbsp.o
+ # OMAP Machine Support
+ snd-soc-n810-objs := n810.o
+ snd-soc-overo-objs := overo.o
++snd-soc-omap3beagle-objs := omap3beagle.o
+
+ obj-$(CONFIG_SND_OMAP_SOC_N810) += snd-soc-n810.o
+ obj-$(CONFIG_SND_OMAP_SOC_OVERO) += snd-soc-overo.o
++obj-$(CONFIG_SND_OMAP_SOC_OMAP3_BEAGLE) += snd-soc-omap3beagle.o
+
+diff --git a/sound/soc/omap/omap3beagle.c b/sound/soc/omap/omap3beagle.c
+new file mode 100644
+index 0000000..1d0e398
+--- /dev/null
++++ b/sound/soc/omap/omap3beagle.c
+@@ -0,0 +1,149 @@
++/*
++ * omap3beagle.c -- SoC audio for OMAP3 Beagle
++ *
++ * Author: Steve Sakoman <steve@sakoman.com>
++ *
++ * 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.
++ *
++ * This program is distributed in the hope that it will be useful, but
++ * WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
++ * General Public License for more details.
++ *
++ * 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., 51 Franklin St, Fifth Floor, Boston, MA
++ * 02110-1301 USA
++ *
++ */
++
++#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 omap3beagle_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 omap3beagle_ops = {
++ .hw_params = omap3beagle_hw_params,
++};
++
++/* Digital audio interface glue - connects codec <--> CPU */
++static struct snd_soc_dai_link omap3beagle_dai = {
++ .name = "TWL4030",
++ .stream_name = "TWL4030",
++ .cpu_dai = &omap_mcbsp_dai[0],
++ .codec_dai = &twl4030_dai,
++ .ops = &omap3beagle_ops,
++};
++
++/* Audio machine driver */
++static struct snd_soc_machine snd_soc_machine_omap3beagle = {
++ .name = "omap3beagle",
++ .dai_link = &omap3beagle_dai,
++ .num_links = 1,
++};
++
++/* Audio subsystem */
++static struct snd_soc_device omap3beagle_snd_devdata = {
++ .machine = &snd_soc_machine_omap3beagle,
++ .platform = &omap_soc_platform,
++ .codec_dev = &soc_codec_dev_twl4030,
++};
++
++static struct platform_device *omap3beagle_snd_device;
++
++static int __init omap3beagle_soc_init(void)
++{
++ int ret;
++
++ printk(KERN_INFO "OMAP3 Beagle SoC init\n");
++ if (!machine_is_omap3_beagle()) {
++ printk(KERN_ERR "Not OMAP3 Beagle!\n");
++ return -ENODEV;
++ }
++
++ omap3beagle_snd_device = platform_device_alloc("soc-audio", -1);
++ if (!omap3beagle_snd_device) {
++ printk(KERN_ERR "Platform device allocation failed\n");
++ return -ENOMEM;
++ }
++
++ platform_set_drvdata(omap3beagle_snd_device, &omap3beagle_snd_devdata);
++ omap3beagle_snd_devdata.dev = &omap3beagle_snd_device->dev;
++ *(unsigned int *)omap3beagle_dai.cpu_dai->private_data = 1; /* McBSP2 */
++
++ ret = platform_device_add(omap3beagle_snd_device);
++ if (ret)
++ goto err1;
++
++ return 0;
++
++err1:
++ printk(KERN_ERR "Unable to add platform device\n");
++ platform_device_put(omap3beagle_snd_device);
++
++ return ret;
++}
++
++static void __exit omap3beagle_soc_exit(void)
++{
++ platform_device_unregister(omap3beagle_snd_device);
++}
++
++module_init(omap3beagle_soc_init);
++module_exit(omap3beagle_soc_exit);
++
++MODULE_AUTHOR("Steve Sakoman <steve@sakoman.com>");
++MODULE_DESCRIPTION("ALSA SoC OMAP3 Beagle");
++MODULE_LICENSE("GPL");
+--
+1.6.0.1
+
+--
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