diff options
Diffstat (limited to 'sound/soc/omap/sdp4430.c')
| -rw-r--r-- | sound/soc/omap/sdp4430.c | 226 |
1 files changed, 0 insertions, 226 deletions
diff --git a/sound/soc/omap/sdp4430.c b/sound/soc/omap/sdp4430.c deleted file mode 100644 index 4b4463db6ba..00000000000 --- a/sound/soc/omap/sdp4430.c +++ /dev/null @@ -1,226 +0,0 @@ -/* - * 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-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->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; - } - 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), - SND_SOC_DAPM_SPK("Earphone Spk", 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"}, - - /* Earphone speaker */ - {"Earphone Spk", NULL, "EP"}, -}; - -static int sdp4430_twl6040_init(struct snd_soc_pcm_runtime *rtd) -{ - struct snd_soc_codec *codec = rtd->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_name ="omap-mcpdm-dai", - .codec_dai_name = "twl6040-hifi", - .platform_name = "omap-pcm-audio", - .codec_name = "twl6040-codec", - .init = sdp4430_twl6040_init, - .ops = &sdp4430_ops, -}; - -/* Audio machine driver */ -static struct snd_soc_card snd_soc_sdp4430 = { - .name = "SDP4430", - .dai_link = &sdp4430_dai, - .num_links = 1, -}; - -static struct platform_device *sdp4430_snd_device; - -static int __init sdp4430_soc_init(void) -{ - int ret; - - if (!machine_is_omap_4430sdp()) - 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, &snd_soc_sdp4430); - - 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"); - |