ASoC: SDP4430: Add sdp4430 machine driver (5e64d6aa) · Commits · e / devices / android_kernel_teracube_mt6765

sound/soc/omap/Kconfig

+9 −0

Original line number	Original line	Diff line number	Diff line
	@@ -98,6 +98,15 @@ config SND_OMAP_SOC_SDP3430
	Say Y if you want to add support for SoC audio on Texas Instruments		Say Y if you want to add support for SoC audio on Texas Instruments
	SDP3430.		SDP3430.

			config SND_OMAP_SOC_SDP4430
			tristate "SoC Audio support for Texas Instruments SDP4430"
			depends on TWL4030_CORE && SND_OMAP_SOC && MACH_OMAP_4430SDP
			select SND_OMAP_SOC_MCPDM
			select SND_SOC_TWL6040
			help
			Say Y if you want to add support for SoC audio on Texas Instruments
			SDP4430.

	config SND_OMAP_SOC_OMAP3_PANDORA		config SND_OMAP_SOC_OMAP3_PANDORA
	tristate "SoC Audio support for OMAP3 Pandora"		tristate "SoC Audio support for OMAP3 Pandora"
	depends on TWL4030_CORE && SND_OMAP_SOC && MACH_OMAP3_PANDORA		depends on TWL4030_CORE && SND_OMAP_SOC && MACH_OMAP3_PANDORA

sound/soc/omap/Makefile

+2 −0

sound/soc/omap/sdp4430.c

0 → 100644

+228 −0

Original line number	Original line	Diff line number	Diff line
			/*
			* sdp4430.c -- SoC audio for TI OMAP4430 SDP
			*
			* Author: Misael Lopez Cruz <x0052729@ti.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 <plat/hardware.h>
			#include <plat/mux.h>

			#include "mcpdm.h"
			#include "omap-mcpdm.h"
			#include "omap-pcm.h"
			#include "../codecs/twl6040.h"

			static int twl6040_power_mode;

			static int sdp4430_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;
			int clk_id, freq;
			int ret;

			if (twl6040_power_mode) {
			clk_id = TWL6040_SYSCLK_SEL_HPPLL;
			freq = 38400000;
			} else {
			clk_id = TWL6040_SYSCLK_SEL_LPPLL;
			freq = 32768;
			}

			/* set the codec mclk */
			ret = snd_soc_dai_set_sysclk(codec_dai, clk_id, freq,
			SND_SOC_CLOCK_IN);
			if (ret) {
			printk(KERN_ERR "can't set codec system clock\n");
			return ret;
			}
			}

			static struct snd_soc_ops sdp4430_ops = {
			.hw_params = sdp4430_hw_params,
			};

			static int sdp4430_get_power_mode(struct snd_kcontrol *kcontrol,
			struct snd_ctl_elem_value *ucontrol)
			{
			ucontrol->value.integer.value[0] = twl6040_power_mode;
			return 0;
			}

			static int sdp4430_set_power_mode(struct snd_kcontrol *kcontrol,
			struct snd_ctl_elem_value *ucontrol)
			{
			if (twl6040_power_mode == ucontrol->value.integer.value[0])
			return 0;

			twl6040_power_mode = ucontrol->value.integer.value[0];

			return 1;
			}

			static const char *power_texts[] = {"Low-Power", "High-Performance"};

			static const struct soc_enum sdp4430_enum[] = {
			SOC_ENUM_SINGLE_EXT(2, power_texts),
			};

			static const struct snd_kcontrol_new sdp4430_controls[] = {
			SOC_ENUM_EXT("TWL6040 Power Mode", sdp4430_enum[0],
			sdp4430_get_power_mode, sdp4430_set_power_mode),
			};

			/* SDP4430 machine DAPM */
			static const struct snd_soc_dapm_widget sdp4430_twl6040_dapm_widgets[] = {
			SND_SOC_DAPM_MIC("Ext Mic", NULL),
			SND_SOC_DAPM_SPK("Ext Spk", NULL),
			SND_SOC_DAPM_MIC("Headset Mic", NULL),
			SND_SOC_DAPM_HP("Headset Stereophone", NULL),
			};

			static const struct snd_soc_dapm_route audio_map[] = {
			/* External Mics: MAINMIC, SUBMIC with bias*/
			{"MAINMIC", NULL, "Main Mic Bias"},
			{"SUBMIC", NULL, "Main Mic Bias"},
			{"Main Mic Bias", NULL, "Ext Mic"},

			/* External Speakers: HFL, HFR */
			{"Ext Spk", NULL, "HFL"},
			{"Ext Spk", NULL, "HFR"},

			/* Headset Mic: HSMIC with bias */
			{"HSMIC", NULL, "Headset Mic Bias"},
			{"Headset Mic Bias", NULL, "Headset Mic"},

			/* Headset Stereophone (Headphone): HSOL, HSOR */
			{"Headset Stereophone", NULL, "HSOL"},
			{"Headset Stereophone", NULL, "HSOR"},
			};

			static int sdp4430_twl6040_init(struct snd_soc_codec *codec)
			{
			int ret;

			/* Add SDP4430 specific controls */
			ret = snd_soc_add_controls(codec, sdp4430_controls,
			ARRAY_SIZE(sdp4430_controls));
			if (ret)
			return ret;

			/* Add SDP4430 specific widgets */
			ret = snd_soc_dapm_new_controls(codec, sdp4430_twl6040_dapm_widgets,
			ARRAY_SIZE(sdp4430_twl6040_dapm_widgets));
			if (ret)
			return ret;

			/* Set up SDP4430 specific audio path audio_map */
			snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));

			/* SDP4430 connected pins */
			snd_soc_dapm_enable_pin(codec, "Ext Mic");
			snd_soc_dapm_enable_pin(codec, "Ext Spk");
			snd_soc_dapm_enable_pin(codec, "Headset Mic");
			snd_soc_dapm_enable_pin(codec, "Headset Stereophone");

			/* TWL6040 not connected pins */
			snd_soc_dapm_nc_pin(codec, "AFML");
			snd_soc_dapm_nc_pin(codec, "AFMR");

			ret = snd_soc_dapm_sync(codec);

			return ret;
			}

			/* Digital audio interface glue - connects codec <--> CPU */
			static struct snd_soc_dai_link sdp4430_dai = {
			.name = "TWL6040",
			.stream_name = "TWL6040",
			.cpu_dai = &omap_mcpdm_dai,
			.codec_dai = &twl6040_dai,
			.init = sdp4430_twl6040_init,
			};

			/* Audio machine driver */
			static struct snd_soc_card snd_soc_sdp4430 = {
			.name = "SDP4430",
			.platform = &omap_soc_platform,
			.dai_link = &sdp4430_dai,
			.num_links = 1,
			};

			/* Audio subsystem */
			static struct snd_soc_device sdp4430_snd_devdata = {
			.card = &snd_soc_sdp4430,
			.codec_dev = &soc_codec_dev_twl6040,
			};

			static struct platform_device *sdp4430_snd_device;

			static int __init sdp4430_soc_init(void)
			{
			int ret;

			if (!machine_is_omap_4430sdp()) {
			pr_debug("Not SDP4430!\n");
			return -ENODEV;
			}
			printk(KERN_INFO "SDP4430 SoC init\n");

			sdp4430_snd_device = platform_device_alloc("soc-audio", -1);
			if (!sdp4430_snd_device) {
			printk(KERN_ERR "Platform device allocation failed\n");
			return -ENOMEM;
			}

			platform_set_drvdata(sdp4430_snd_device, &sdp4430_snd_devdata);
			sdp4430_snd_devdata.dev = &sdp4430_snd_device->dev;

			ret = platform_device_add(sdp4430_snd_device);
			if (ret)
			goto err;

			/* Codec starts in HP mode */
			twl6040_power_mode = 1;

			return 0;

			err:
			printk(KERN_ERR "Unable to add platform device\n");
			platform_device_put(sdp4430_snd_device);
			return ret;
			}
			module_init(sdp4430_soc_init);

			static void __exit sdp4430_soc_exit(void)
			{
			platform_device_unregister(sdp4430_snd_device);
			}
			module_exit(sdp4430_soc_exit);

			MODULE_AUTHOR("Misael Lopez Cruz <x0052729@ti.com>");
			MODULE_DESCRIPTION("ALSA SoC SDP4430");
			MODULE_LICENSE("GPL");

Original line number	Original line	Diff line number	Diff line
	@@ -17,6 +17,7 @@ snd-soc-omap2evm-objs := omap2evm.o
	snd-soc-omap3evm-objs := omap3evm.o		snd-soc-omap3evm-objs := omap3evm.o
	snd-soc-am3517evm-objs := am3517evm.o		snd-soc-am3517evm-objs := am3517evm.o
	snd-soc-sdp3430-objs := sdp3430.o		snd-soc-sdp3430-objs := sdp3430.o
			snd-soc-sdp4430-objs := sdp4430.o
	snd-soc-omap3pandora-objs := omap3pandora.o		snd-soc-omap3pandora-objs := omap3pandora.o
	snd-soc-omap3beagle-objs := omap3beagle.o		snd-soc-omap3beagle-objs := omap3beagle.o
	snd-soc-zoom2-objs := zoom2.o		snd-soc-zoom2-objs := zoom2.o
	@@ -31,6 +32,7 @@ obj-$(CONFIG_SND_OMAP_SOC_OMAP2EVM) += snd-soc-omap2evm.o
	obj-$(CONFIG_SND_OMAP_SOC_OMAP3EVM) += snd-soc-omap3evm.o		obj-$(CONFIG_SND_OMAP_SOC_OMAP3EVM) += snd-soc-omap3evm.o
	obj-$(CONFIG_SND_OMAP_SOC_AM3517EVM) += snd-soc-am3517evm.o		obj-$(CONFIG_SND_OMAP_SOC_AM3517EVM) += snd-soc-am3517evm.o
	obj-$(CONFIG_SND_OMAP_SOC_SDP3430) += snd-soc-sdp3430.o		obj-$(CONFIG_SND_OMAP_SOC_SDP3430) += snd-soc-sdp3430.o
			obj-$(CONFIG_SND_OMAP_SOC_SDP4430) += snd-soc-sdp4430.o
	obj-$(CONFIG_SND_OMAP_SOC_OMAP3_PANDORA) += snd-soc-omap3pandora.o		obj-$(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_OMAP3_BEAGLE) += snd-soc-omap3beagle.o
	obj-$(CONFIG_SND_OMAP_SOC_ZOOM2) += snd-soc-zoom2.o		obj-$(CONFIG_SND_OMAP_SOC_ZOOM2) += snd-soc-zoom2.o