diff options
Diffstat (limited to 'sound/soc/omap/omap3beagle.c')
-rw-r--r-- | sound/soc/omap/omap3beagle.c | 150 |
1 files changed, 0 insertions, 150 deletions
diff --git a/sound/soc/omap/omap3beagle.c b/sound/soc/omap/omap3beagle.c deleted file mode 100644 index 2830dfd05661..000000000000 --- a/sound/soc/omap/omap3beagle.c +++ /dev/null @@ -1,150 +0,0 @@ -/* - * 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 <linux/module.h> -#include <sound/core.h> -#include <sound/pcm.h> -#include <sound/soc.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" - -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->codec_dai; - struct snd_soc_dai *cpu_dai = rtd->cpu_dai; - unsigned int fmt; - int ret; - - switch (params_channels(params)) { - case 2: /* Stereo I2S mode */ - fmt = SND_SOC_DAIFMT_I2S | - SND_SOC_DAIFMT_NB_NF | - SND_SOC_DAIFMT_CBM_CFM; - break; - case 4: /* Four channel TDM mode */ - fmt = SND_SOC_DAIFMT_DSP_A | - SND_SOC_DAIFMT_IB_NF | - SND_SOC_DAIFMT_CBM_CFM; - break; - default: - return -EINVAL; - } - - /* Set codec DAI configuration */ - ret = snd_soc_dai_set_fmt(codec_dai, fmt); - 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, fmt); - 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_name = "omap-mcbsp.2", - .platform_name = "omap-pcm-audio", - .codec_dai_name = "twl4030-hifi", - .codec_name = "twl4030-codec", - .ops = &omap3beagle_ops, -}; - -/* Audio machine driver */ -static struct snd_soc_card snd_soc_omap3beagle = { - .name = "omap3beagle", - .owner = THIS_MODULE, - .dai_link = &omap3beagle_dai, - .num_links = 1, -}; - -static struct platform_device *omap3beagle_snd_device; - -static int __init omap3beagle_soc_init(void) -{ - int ret; - - if (!(machine_is_omap3_beagle() || machine_is_devkit8000())) - return -ENODEV; - pr_info("OMAP3 Beagle/Devkit8000 SoC init\n"); - - 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, &snd_soc_omap3beagle); - - 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"); |