diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-28 11:41:32 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-28 11:41:32 -0800 |
commit | cb10ea549fdc0ab2dd8988adab5bf40b4fa642f3 (patch) | |
tree | 6bc11e0af9f0639a5eedd055401086c8c771f21e /sound/soc/omap/sdp3430.c | |
parent | 81d6e59dabb1ae0c782e9eb7e3d88f699d25b314 (diff) | |
parent | 5ce442fe2c9423ec5451222aee6f9b2127bb8311 (diff) |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (367 commits)
ALSA: ASoC: fix a typo in omp-pcm.c
ASoC: Fix DSP formats in SSM2602 audio codec
ASoC: Fix incorrect DSP format in OMAP McBSP DAI and affected drivers
ALSA: hda: fix incorrect mixer index values for 92hd83xx
ALSA: hda: dinput_mux check
ALSA: hda - Add quirk for another HP dv7
ALSA: ASoC - Add missing __devexit annotation to wm8350.c
ALSA: ASoc: DaVinci: davinci-evm use dsp_b mode
ALSA: ASoC: DaVinci: i2s, evm, pass same value to codec and cpu_dai
ALSA: ASoC: tlv320aic3x add dsp_a
ALSA: ASoC: DaVinci: document I2S limitations
ALSA: ASoC: DaVinci: davinci-i2s clean up
ALSA: ASoC: DaVinci: davinci-i2s clean up
ALSA: ASoC: DaVinci: davinci-i2s add comments to explain polarity
ALSA: ASoC: DaVinci: davinvi-evm, make requests explicit
ALSA: ca0106 - disable 44.1kHz capture
ALSA: ca0106 - Add missing card->private_data initialization
ALSA: ca0106 - Check ac97 availability at PM
ALSA: hda - Power up always when no jack detection is available
ALSA: hda - Fix unused variable warnings in patch_sigmatel.c
...
Diffstat (limited to 'sound/soc/omap/sdp3430.c')
-rw-r--r-- | sound/soc/omap/sdp3430.c | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/sound/soc/omap/sdp3430.c b/sound/soc/omap/sdp3430.c new file mode 100644 index 000000000000..ad97836818b1 --- /dev/null +++ b/sound/soc/omap/sdp3430.c @@ -0,0 +1,152 @@ +/* + * sdp3430.c -- SoC audio for TI OMAP3430 SDP + * + * Author: Misael Lopez Cruz <x0052729@ti.com> + * + * Based on: + * 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 sdp3430_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 sdp3430_ops = { + .hw_params = sdp3430_hw_params, +}; + +/* Digital audio interface glue - connects codec <--> CPU */ +static struct snd_soc_dai_link sdp3430_dai = { + .name = "TWL4030", + .stream_name = "TWL4030", + .cpu_dai = &omap_mcbsp_dai[0], + .codec_dai = &twl4030_dai, + .ops = &sdp3430_ops, +}; + +/* Audio machine driver */ +static struct snd_soc_machine snd_soc_machine_sdp3430 = { + .name = "SDP3430", + .platform = &omap_soc_platform, + .dai_link = &sdp3430_dai, + .num_links = 1, +}; + +/* Audio subsystem */ +static struct snd_soc_device sdp3430_snd_devdata = { + .machine = &snd_soc_machine_sdp3430, + .codec_dev = &soc_codec_dev_twl4030, +}; + +static struct platform_device *sdp3430_snd_device; + +static int __init sdp3430_soc_init(void) +{ + int ret; + + if (!machine_is_omap_3430sdp()) { + pr_debug("Not SDP3430!\n"); + return -ENODEV; + } + printk(KERN_INFO "SDP3430 SoC init\n"); + + sdp3430_snd_device = platform_device_alloc("soc-audio", -1); + if (!sdp3430_snd_device) { + printk(KERN_ERR "Platform device allocation failed\n"); + return -ENOMEM; + } + + platform_set_drvdata(sdp3430_snd_device, &sdp3430_snd_devdata); + sdp3430_snd_devdata.dev = &sdp3430_snd_device->dev; + *(unsigned int *)sdp3430_dai.cpu_dai->private_data = 1; /* McBSP2 */ + + ret = platform_device_add(sdp3430_snd_device); + if (ret) + goto err1; + + return 0; + +err1: + printk(KERN_ERR "Unable to add platform device\n"); + platform_device_put(sdp3430_snd_device); + + return ret; +} +module_init(sdp3430_soc_init); + +static void __exit sdp3430_soc_exit(void) +{ + platform_device_unregister(sdp3430_snd_device); +} +module_exit(sdp3430_soc_exit); + +MODULE_AUTHOR("Misael Lopez Cruz <x0052729@ti.com>"); +MODULE_DESCRIPTION("ALSA SoC SDP3430"); +MODULE_LICENSE("GPL"); + |