Added missing tegra files.HEAD master

author: Jonathan Herman <hermanjl@cs.unc.edu> 2013-01-22 10:38:37 -0500
committer: Jonathan Herman <hermanjl@cs.unc.edu> 2013-01-22 10:38:37 -0500
commit: fcc9d2e5a6c89d22b8b773a64fb4ad21ac318446 (patch)
tree: a57612d1888735a2ec7972891b68c1ac5ec8faea /sound/soc/omap/overo.c
parent: 8dea78da5cee153b8af9c07a2745f6c55057fe12 (diff)
1 files changed, 139 insertions, 0 deletions
diff --git a/sound/soc/omap/overo.c b/sound/soc/omap/overo.c
new file mode 100644
index 00000000000..bbcf380bfb5
--- /dev/null
+++ b/sound/soc/omap/overo.c
@@ -0,0 +1,139 @@
+/*
+ * overo.c  --  SoC audio for Gumstix Overo
+ *
+ * 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 <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 overo_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;
+        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 overo_ops = {
+        .hw_params = overo_hw_params,
+};
+/* Digital audio interface glue - connects codec <--> CPU */
+static struct snd_soc_dai_link overo_dai = {
+        .name = "TWL4030",
+        .stream_name = "TWL4030",
+        .cpu_dai_name = "omap-mcbsp-dai.1",
+        .codec_dai_name = "twl4030-hifi",
+        .platform_name = "omap-pcm-audio",
+        .codec_name = "twl4030-codec",
+        .ops = &overo_ops,
+};
+/* Audio machine driver */
+static struct snd_soc_card snd_soc_card_overo = {
+        .name = "overo",
+        .dai_link = &overo_dai,
+        .num_links = 1,
+};
+static struct platform_device *overo_snd_device;
+static int __init overo_soc_init(void)
+{
+        int ret;
+        if (!(machine_is_overo() || machine_is_cm_t35())) {
+                pr_debug("Incomatible machine!\n");
+                return -ENODEV;
+        }
+        printk(KERN_INFO "overo SoC init\n");
+        overo_snd_device = platform_device_alloc("soc-audio", -1);
+        if (!overo_snd_device) {
+                printk(KERN_ERR "Platform device allocation failed\n");
+                return -ENOMEM;
+        }
+        platform_set_drvdata(overo_snd_device, &snd_soc_card_overo);
+        ret = platform_device_add(overo_snd_device);
+        if (ret)
+                goto err1;
+        return 0;
+err1:
+        printk(KERN_ERR "Unable to add platform device\n");
+        platform_device_put(overo_snd_device);
+        return ret;
+}
+module_init(overo_soc_init);
+static void __exit overo_soc_exit(void)
+{
+        platform_device_unregister(overo_snd_device);
+}
+module_exit(overo_soc_exit);
+MODULE_AUTHOR("Steve Sakoman <steve@sakoman.com>");
+MODULE_DESCRIPTION("ALSA SoC overo");
+MODULE_LICENSE("GPL");
author	Jonathan Herman <hermanjl@cs.unc.edu>	2013-01-22 10:38:37 -0500
committer	Jonathan Herman <hermanjl@cs.unc.edu>	2013-01-22 10:38:37 -0500
commit	fcc9d2e5a6c89d22b8b773a64fb4ad21ac318446 (patch)
tree	a57612d1888735a2ec7972891b68c1ac5ec8faea /sound/soc/omap/overo.c
parent	8dea78da5cee153b8af9c07a2745f6c55057fe12 (diff)

diff --git a/sound/soc/omap/overo.c b/sound/soc/omap/overo.c new file mode 100644 index 00000000000..bbcf380bfb5 --- /dev/null +++ b/sound/soc/omap/overo.c
@@ -0,0 +1,139 @@
	1	/*
	2	* overo.c -- SoC audio for Gumstix Overo
	3	*
	4	* Author: Steve Sakoman <steve@sakoman.com>
	5	*
	6	* This program is free software; you can redistribute it and/or
	7	* modify it under the terms of the GNU General Public License
	8	* version 2 as published by the Free Software Foundation.
	9	*
	10	* This program is distributed in the hope that it will be useful, but
	11	* WITHOUT ANY WARRANTY; without even the implied warranty of
	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	13	* General Public License for more details.
	14	*
	15	* You should have received a copy of the GNU General Public License
	16	* along with this program; if not, write to the Free Software
	17	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
	18	* 02110-1301 USA
	19	*
	20	*/
	21
	22	#include <linux/clk.h>
	23	#include <linux/platform_device.h>
	24	#include <sound/core.h>
	25	#include <sound/pcm.h>
	26	#include <sound/soc.h>
	27
	28	#include <asm/mach-types.h>
	29	#include <mach/hardware.h>
	30	#include <mach/gpio.h>
	31	#include <plat/mcbsp.h>
	32
	33	#include "omap-mcbsp.h"
	34	#include "omap-pcm.h"
	35
	36	static int overo_hw_params(struct snd_pcm_substream *substream,
	37	struct snd_pcm_hw_params *params)
	38	{
	39	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	40	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	41	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
	42	int ret;
	43
	44	/* Set codec DAI configuration */
	45	ret = snd_soc_dai_set_fmt(codec_dai,
	46	SND_SOC_DAIFMT_I2S \|
	47	SND_SOC_DAIFMT_NB_NF \|
	48	SND_SOC_DAIFMT_CBM_CFM);
	49	if (ret < 0) {
	50	printk(KERN_ERR "can't set codec DAI configuration\n");
	51	return ret;
	52	}
	53
	54	/* Set cpu DAI configuration */
	55	ret = snd_soc_dai_set_fmt(cpu_dai,
	56	SND_SOC_DAIFMT_I2S \|
	57	SND_SOC_DAIFMT_NB_NF \|
	58	SND_SOC_DAIFMT_CBM_CFM);
	59	if (ret < 0) {
	60	printk(KERN_ERR "can't set cpu DAI configuration\n");
	61	return ret;
	62	}
	63
	64	/* Set the codec system clock for DAC and ADC */
	65	ret = snd_soc_dai_set_sysclk(codec_dai, 0, 26000000,
	66	SND_SOC_CLOCK_IN);
	67	if (ret < 0) {
	68	printk(KERN_ERR "can't set codec system clock\n");
	69	return ret;
	70	}
	71
	72	return 0;
	73	}
	74
	75	static struct snd_soc_ops overo_ops = {
	76	.hw_params = overo_hw_params,
	77	};
	78
	79	/* Digital audio interface glue - connects codec <--> CPU */
	80	static struct snd_soc_dai_link overo_dai = {
	81	.name = "TWL4030",
	82	.stream_name = "TWL4030",
	83	.cpu_dai_name = "omap-mcbsp-dai.1",
	84	.codec_dai_name = "twl4030-hifi",
	85	.platform_name = "omap-pcm-audio",
	86	.codec_name = "twl4030-codec",
	87	.ops = &overo_ops,
	88	};
	89
	90	/* Audio machine driver */
	91	static struct snd_soc_card snd_soc_card_overo = {
	92	.name = "overo",
	93	.dai_link = &overo_dai,
	94	.num_links = 1,
	95	};
	96
	97	static struct platform_device *overo_snd_device;
	98
	99	static int __init overo_soc_init(void)
	100	{
	101	int ret;
	102
	103	if (!(machine_is_overo() \|\| machine_is_cm_t35())) {
	104	pr_debug("Incomatible machine!\n");
	105	return -ENODEV;
	106	}
	107	printk(KERN_INFO "overo SoC init\n");
	108
	109	overo_snd_device = platform_device_alloc("soc-audio", -1);
	110	if (!overo_snd_device) {
	111	printk(KERN_ERR "Platform device allocation failed\n");
	112	return -ENOMEM;
	113	}
	114
	115	platform_set_drvdata(overo_snd_device, &snd_soc_card_overo);
	116
	117	ret = platform_device_add(overo_snd_device);
	118	if (ret)
	119	goto err1;
	120
	121	return 0;
	122
	123	err1:
	124	printk(KERN_ERR "Unable to add platform device\n");
	125	platform_device_put(overo_snd_device);
	126
	127	return ret;
	128	}
	129	module_init(overo_soc_init);
	130
	131	static void __exit overo_soc_exit(void)
	132	{
	133	platform_device_unregister(overo_snd_device);
	134	}
	135	module_exit(overo_soc_exit);
	136
	137	MODULE_AUTHOR("Steve Sakoman <steve@sakoman.com>");
	138	MODULE_DESCRIPTION("ALSA SoC overo");
	139	MODULE_LICENSE("GPL");