(adding ALSA mailing list to CC again :) )

Enric Balletbo i Serra wrote:

From: Enric Balletbo i Serra eballetbo@iseebcn.com

Signed-off-by: Enric Balletbo i Serra eballetbo@iseebcn.com

sound/soc/omap/Kconfig | 7 ++ sound/soc/omap/Makefile | 2 + sound/soc/omap/igep0020.c | 148 +++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 157 insertions(+), 0 deletions(-) create mode 100644 sound/soc/omap/igep0020.c

diff --git a/sound/soc/omap/Kconfig b/sound/soc/omap/Kconfig index 653a362..5cc8a63 100644 --- a/sound/soc/omap/Kconfig +++ b/sound/soc/omap/Kconfig @@ -99,3 +99,10 @@ config SND_OMAP_SOC_ZOOM2 help Say Y if you want to add support for Soc audio on Zoom2 board.

+config SND_OMAP_SOC_IGEP0020

• tristate "SoC Audio support for IGEP v2"
• depends on TWL4030_CORE && SND_OMAP_SOC && MACH_IGEP0020
• select SND_OMAP_SOC_MCBSP
• select SND_SOC_TWL4030
• help

•  Say Y if you want to add support for Soc audio on IGEP v2 board.
  

diff --git a/sound/soc/omap/Makefile b/sound/soc/omap/Makefile index 02d6947..d4ed23a 100644 --- a/sound/soc/omap/Makefile +++ b/sound/soc/omap/Makefile @@ -16,6 +16,7 @@ snd-soc-sdp3430-objs := sdp3430.o snd-soc-omap3pandora-objs := omap3pandora.o snd-soc-omap3beagle-objs := omap3beagle.o snd-soc-zoom2-objs := zoom2.o +snd-soc-igep0020-objs := igep0020.o

obj-$(CONFIG_SND_OMAP_SOC_N810) += snd-soc-n810.o obj-$(CONFIG_SND_OMAP_SOC_AMS_DELTA) += snd-soc-ams-delta.o @@ -27,3 +28,4 @@ obj-$(CONFIG_SND_OMAP_SOC_SDP3430) += snd-soc-sdp3430.o obj-$(CONFIG_SND_OMAP_SOC_OMAP3_PANDORA) += snd-soc-omap3pandora.o obj-$(CONFIG_SND_OMAP_SOC_OMAP3_BEAGLE) += snd-soc-omap3beagle.o obj-$(CONFIG_SND_OMAP_SOC_ZOOM2) += snd-soc-zoom2.o +obj-$(CONFIG_SND_OMAP_SOC_IGEP0020) += snd-soc-igep0020.o diff --git a/sound/soc/omap/igep0020.c b/sound/soc/omap/igep0020.c new file mode 100644 index 0000000..3583c42 --- /dev/null +++ b/sound/soc/omap/igep0020.c @@ -0,0 +1,148 @@ +/*

• • igep0020.c -- SoC audio for IGEP v2
• • Based on sound/soc/omap/overo.c by Steve Sakoman
• • 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 <plat/mcbsp.h>

+#include "omap-mcbsp.h" +#include "omap-pcm.h" +#include "../codecs/twl4030.h"

+static int igep2_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 igep2_ops = {

• .hw_params = igep2_hw_params,

+};

+/* Digital audio interface glue - connects codec <--> CPU */ +static struct snd_soc_dai_link igep2_dai = {

• .name = "TWL4030",
• .stream_name = "TWL4030",
• .cpu_dai = &omap_mcbsp_dai[0],
• .codec_dai = &twl4030_dai[TWL4030_DAI_HIFI],
• .ops = &igep2_ops,

+};

+/* Audio machine driver */ +static struct snd_soc_card snd_soc_card_igep2 = {

• .name = "igep2",
• .platform = &omap_soc_platform,
• .dai_link = &igep2_dai,
• .num_links = 1,

+};

+/* Audio subsystem */ +static struct snd_soc_device igep2_snd_devdata = {

• .card = &snd_soc_card_igep2,
• .codec_dev = &soc_codec_dev_twl4030,

+};

+static struct platform_device *igep2_snd_device;

+static int __init igep2_soc_init(void) +{

• int ret;
• if (!machine_is_igep0020()) {

• pr_debug("Not IGEP v2!\n");
  

• return -ENODEV;
  

• }
• printk(KERN_INFO "IGEP v2 SoC init\n");
• igep2_snd_device = platform_device_alloc("soc-audio", -1);
• if (!igep2_snd_device) {

• printk(KERN_ERR "Platform device allocation failed\n");
  

• return -ENOMEM;
  

• }
• platform_set_drvdata(igep2_snd_device, &igep2_snd_devdata);
• igep2_snd_devdata.dev = &igep2_snd_device->dev;
• *(unsigned int *)igep2_dai.cpu_dai->private_data = 1; /* McBSP2 */
• ret = platform_device_add(igep2_snd_device);
• if (ret)

• goto err1;
  

• return 0;

+err1:

• printk(KERN_ERR "Unable to add platform device\n");
• platform_device_put(igep2_snd_device);
• return ret;

+} +module_init(igep2_soc_init);

+static void __exit igep2_soc_exit(void) +{

• platform_device_unregister(igep2_snd_device);

+} +module_exit(igep2_soc_exit);

+MODULE_AUTHOR("Enric Balletbo i Serra eballetbo@iseebcn.com"); +MODULE_DESCRIPTION("ALSA SoC IGEP v2"); +MODULE_LICENSE("GPL");