Add ASoC support for TI SDP4430. Signed-off-by: Misael Lopez Cruz <x0052729@ti.com> Signed-off-by: Margarita Olaya Cabrera <magi.olaya@ti.com> Signed-off-by: Jorge Eduardo Candelaria <jorge.candelaria@ti.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>tirimbino
Misael Lopez Cruz
15 years ago
committed by
Liam Girdwood
parent
2d4cdd6fc9
commit
5e64d6aadd
@ -0,0 +1,228 @@ |
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/*
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* sdp4430.c -- SoC audio for TI OMAP4430 SDP |
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* |
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* Author: Misael Lopez Cruz <x0052729@ti.com> |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* version 2 as published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, but |
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* WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA |
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* 02110-1301 USA |
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* |
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*/ |
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#include <linux/clk.h> |
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#include <linux/platform_device.h> |
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#include <sound/core.h> |
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#include <sound/pcm.h> |
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#include <sound/soc.h> |
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#include <sound/soc-dapm.h> |
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#include <asm/mach-types.h> |
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#include <plat/hardware.h> |
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#include <plat/mux.h> |
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#include "mcpdm.h" |
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#include "omap-mcpdm.h" |
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#include "omap-pcm.h" |
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#include "../codecs/twl6040.h" |
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static int twl6040_power_mode; |
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static int sdp4430_hw_params(struct snd_pcm_substream *substream, |
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struct snd_pcm_hw_params *params) |
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{ |
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struct snd_soc_pcm_runtime *rtd = substream->private_data; |
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struct snd_soc_dai *codec_dai = rtd->dai->codec_dai; |
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int clk_id, freq; |
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int ret; |
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if (twl6040_power_mode) { |
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clk_id = TWL6040_SYSCLK_SEL_HPPLL; |
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freq = 38400000; |
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} else { |
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clk_id = TWL6040_SYSCLK_SEL_LPPLL; |
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freq = 32768; |
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} |
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/* set the codec mclk */ |
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ret = snd_soc_dai_set_sysclk(codec_dai, clk_id, freq, |
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SND_SOC_CLOCK_IN); |
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if (ret) { |
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printk(KERN_ERR "can't set codec system clock\n"); |
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return ret; |
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} |
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} |
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static struct snd_soc_ops sdp4430_ops = { |
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.hw_params = sdp4430_hw_params, |
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}; |
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static int sdp4430_get_power_mode(struct snd_kcontrol *kcontrol, |
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struct snd_ctl_elem_value *ucontrol) |
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{ |
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ucontrol->value.integer.value[0] = twl6040_power_mode; |
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return 0; |
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} |
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static int sdp4430_set_power_mode(struct snd_kcontrol *kcontrol, |
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struct snd_ctl_elem_value *ucontrol) |
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{ |
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if (twl6040_power_mode == ucontrol->value.integer.value[0]) |
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return 0; |
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twl6040_power_mode = ucontrol->value.integer.value[0]; |
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return 1; |
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} |
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static const char *power_texts[] = {"Low-Power", "High-Performance"}; |
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static const struct soc_enum sdp4430_enum[] = { |
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SOC_ENUM_SINGLE_EXT(2, power_texts), |
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}; |
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static const struct snd_kcontrol_new sdp4430_controls[] = { |
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SOC_ENUM_EXT("TWL6040 Power Mode", sdp4430_enum[0], |
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sdp4430_get_power_mode, sdp4430_set_power_mode), |
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}; |
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/* SDP4430 machine DAPM */ |
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static const struct snd_soc_dapm_widget sdp4430_twl6040_dapm_widgets[] = { |
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SND_SOC_DAPM_MIC("Ext Mic", NULL), |
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SND_SOC_DAPM_SPK("Ext Spk", NULL), |
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SND_SOC_DAPM_MIC("Headset Mic", NULL), |
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SND_SOC_DAPM_HP("Headset Stereophone", NULL), |
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}; |
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static const struct snd_soc_dapm_route audio_map[] = { |
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/* External Mics: MAINMIC, SUBMIC with bias*/ |
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{"MAINMIC", NULL, "Main Mic Bias"}, |
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{"SUBMIC", NULL, "Main Mic Bias"}, |
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{"Main Mic Bias", NULL, "Ext Mic"}, |
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/* External Speakers: HFL, HFR */ |
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{"Ext Spk", NULL, "HFL"}, |
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{"Ext Spk", NULL, "HFR"}, |
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/* Headset Mic: HSMIC with bias */ |
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{"HSMIC", NULL, "Headset Mic Bias"}, |
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{"Headset Mic Bias", NULL, "Headset Mic"}, |
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/* Headset Stereophone (Headphone): HSOL, HSOR */ |
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{"Headset Stereophone", NULL, "HSOL"}, |
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{"Headset Stereophone", NULL, "HSOR"}, |
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}; |
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static int sdp4430_twl6040_init(struct snd_soc_codec *codec) |
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{ |
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int ret; |
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/* Add SDP4430 specific controls */ |
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ret = snd_soc_add_controls(codec, sdp4430_controls, |
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ARRAY_SIZE(sdp4430_controls)); |
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if (ret) |
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return ret; |
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/* Add SDP4430 specific widgets */ |
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ret = snd_soc_dapm_new_controls(codec, sdp4430_twl6040_dapm_widgets, |
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ARRAY_SIZE(sdp4430_twl6040_dapm_widgets)); |
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if (ret) |
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return ret; |
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/* Set up SDP4430 specific audio path audio_map */ |
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snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map)); |
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/* SDP4430 connected pins */ |
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snd_soc_dapm_enable_pin(codec, "Ext Mic"); |
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snd_soc_dapm_enable_pin(codec, "Ext Spk"); |
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snd_soc_dapm_enable_pin(codec, "Headset Mic"); |
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snd_soc_dapm_enable_pin(codec, "Headset Stereophone"); |
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/* TWL6040 not connected pins */ |
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snd_soc_dapm_nc_pin(codec, "AFML"); |
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snd_soc_dapm_nc_pin(codec, "AFMR"); |
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ret = snd_soc_dapm_sync(codec); |
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return ret; |
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} |
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/* Digital audio interface glue - connects codec <--> CPU */ |
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static struct snd_soc_dai_link sdp4430_dai = { |
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.name = "TWL6040", |
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.stream_name = "TWL6040", |
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.cpu_dai = &omap_mcpdm_dai, |
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.codec_dai = &twl6040_dai, |
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.init = sdp4430_twl6040_init, |
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}; |
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/* Audio machine driver */ |
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static struct snd_soc_card snd_soc_sdp4430 = { |
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.name = "SDP4430", |
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.platform = &omap_soc_platform, |
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.dai_link = &sdp4430_dai, |
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.num_links = 1, |
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}; |
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/* Audio subsystem */ |
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static struct snd_soc_device sdp4430_snd_devdata = { |
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.card = &snd_soc_sdp4430, |
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.codec_dev = &soc_codec_dev_twl6040, |
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}; |
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static struct platform_device *sdp4430_snd_device; |
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static int __init sdp4430_soc_init(void) |
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{ |
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int ret; |
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if (!machine_is_omap_4430sdp()) { |
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pr_debug("Not SDP4430!\n"); |
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return -ENODEV; |
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} |
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printk(KERN_INFO "SDP4430 SoC init\n"); |
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sdp4430_snd_device = platform_device_alloc("soc-audio", -1); |
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if (!sdp4430_snd_device) { |
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printk(KERN_ERR "Platform device allocation failed\n"); |
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return -ENOMEM; |
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} |
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platform_set_drvdata(sdp4430_snd_device, &sdp4430_snd_devdata); |
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sdp4430_snd_devdata.dev = &sdp4430_snd_device->dev; |
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ret = platform_device_add(sdp4430_snd_device); |
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if (ret) |
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goto err; |
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/* Codec starts in HP mode */ |
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twl6040_power_mode = 1; |
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return 0; |
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err: |
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printk(KERN_ERR "Unable to add platform device\n"); |
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platform_device_put(sdp4430_snd_device); |
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return ret; |
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} |
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module_init(sdp4430_soc_init); |
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static void __exit sdp4430_soc_exit(void) |
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{ |
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platform_device_unregister(sdp4430_snd_device); |
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} |
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module_exit(sdp4430_soc_exit); |
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MODULE_AUTHOR("Misael Lopez Cruz <x0052729@ti.com>"); |
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MODULE_DESCRIPTION("ALSA SoC SDP4430"); |
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MODULE_LICENSE("GPL"); |
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