diff options
Diffstat (limited to 'packages/linux/linux-omap-pm/beagleboard/beagle-asoc.diff')
| -rw-r--r-- | packages/linux/linux-omap-pm/beagleboard/beagle-asoc.diff | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/packages/linux/linux-omap-pm/beagleboard/beagle-asoc.diff b/packages/linux/linux-omap-pm/beagleboard/beagle-asoc.diff new file mode 100644 index 0000000000..6763d85c32 --- /dev/null +++ b/packages/linux/linux-omap-pm/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 + +-- +To unsubscribe from this list: send the line "unsubscribe linux-omap" in +the body of a message to majordomo@vger.kernel.org +More majordomo info at http://vger.kernel.org/majordomo-info.html + |