| /* |
| * sound/soc/PJ203.c |
| * |
| * Author: Diao Chengdong <cddiao@ambarella.com> |
| * |
| * History: |
| * 2012/05/17 - [Diao Chengdong] Created file |
| * |
| * Copyright (C) 2004-2009, Ambarella, Inc. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| * |
| */ |
| |
| #include <linux/module.h> |
| #include <linux/moduleparam.h> |
| #include <linux/io.h> |
| #include <linux/platform_device.h> |
| #include <sound/soc.h> |
| #include <sound/jack.h> |
| #include <asm/mach-types.h> |
| #include <mach/gpio.h> |
| #include <plat/audio.h> |
| |
| #include "ambarella_i2s.h" |
| #include "../codecs/tlv320dac31.h" |
| |
| #define debug_pj203 (0) |
| #if debug_pj203 |
| #define PRINTK(arg...) printk(arg) |
| #else |
| #define PRINTK(arg...) |
| #endif |
| |
| /* havn't test the headphone ,so set gpio_jack = 0*/ |
| #define GPIO_JACK 0 |
| |
| #if GPIO_JACK |
| module_param(gpio_jack,uint,S_IRUGO); |
| MODULE_PARM_DESC(gpio_jack,"Whether or not use a head phone."); |
| /* Headset jack */ |
| static struct snd_soc_jack hs_jack; |
| /* Headset jack detection DAPM pins */ |
| static struct snd_soc_jack_pin hs_jack_pins[]={ |
| { |
| .pin = "Headset Mic", |
| .mask = SND_JACK_MICROPHONE, |
| }, |
| { |
| .pin = "Headset Stereophone", |
| .mask = SND_JACK_HEADPHONE, |
| }, |
| }; |
| /* Headset jack detection gpios */ |
| static struct snd_soc_jack_gpio hs_jack_gpios[]={ |
| { |
| .gpio = GPIO(82), |
| .name = "hsdet-gpio", |
| .report = SND_JACK_HEADSET, |
| .debounce_time = 200, |
| }, |
| }; |
| #endif |
| |
| static const struct snd_soc_dapm_widget PJ203_dapm_widgets[] = { |
| /*Output*/ |
| SND_SOC_DAPM_SPK("Main Spk", NULL), |
| #if GPIO_JACK |
| SND_SOC_DAPM_HP("Headphone Jack",NULL), |
| #endif |
| }; |
| |
| static const struct snd_soc_dapm_route PJ203_dapm_routes[] = { |
| #if GPIO_JACK |
| {"Headphone Jack",NULL,"HPL"}, |
| {"Headphone Jack",NULL,"HPR"}, |
| #endif |
| {"Main Spk",NULL,"LOL"}, |
| {"Main Spk",NULL,"LOL"}, |
| }; |
| |
| static int PJ203_tlv320_init(struct snd_soc_pcm_runtime *rtd) |
| { |
| struct snd_soc_codec *codec = rtd->codec; |
| struct snd_soc_dapm_context *dapm = &codec->dapm; |
| PRINTK("in tlv320_init\n"); |
| snd_soc_dapm_new_controls(dapm,PJ203_dapm_widgets, |
| ARRAY_SIZE(PJ203_dapm_widgets)); |
| |
| snd_soc_dapm_add_routes(dapm,PJ203_dapm_routes, |
| ARRAY_SIZE(PJ203_dapm_routes)); |
| |
| snd_soc_dapm_sync(dapm); |
| |
| ambarella_i2s_add_controls(codec); |
| |
| #if GPIO_JACK |
| { |
| int errcode=0; |
| errcode = snd_soc_jack_new(codec,"Headset Jack",SND_JACK_HEADSET,&hs_jack); |
| if (errcode) |
| return errcode; |
| errcode = snd_soc_jack_add_pins(&hs_jack,ARRAY_SIZE(hs_jack_pins),hs_jack_pins); |
| if (errcode) |
| return errcode; |
| errcode = snd_soc_jack_add_gpios(&hs_jack,ARRAY_SIZE(hs_jack_gpios),hs_jack_gpios); |
| if (errcode) |
| return errcode; |
| } |
| #endif |
| |
| return 0; |
| } |
| |
| |
| static int PJ203_board_startup(struct snd_pcm_substream *substream) |
| { |
| PRINTK("in PJ203_board-statup\n"); |
| return 0; |
| } |
| |
| static int PJ203_hifi_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 errorCode = 0, amb_mclk,mclk,oversample; |
| |
| PRINTK("in PJ203_hifi_hw_params\n"); |
| switch (params_rate(params)) { |
| case 8000: |
| amb_mclk = AudioCodec_4_096M; |
| mclk = 4096000; |
| oversample = AudioCodec_512xfs; |
| break; |
| case 11025: |
| amb_mclk = AudioCodec_5_6448M; |
| mclk = 5644800; |
| oversample = AudioCodec_512xfs; |
| break; |
| case 16000: |
| amb_mclk = AudioCodec_4_096M; |
| mclk = 4096000; |
| oversample = AudioCodec_256xfs; |
| break; |
| case 22050: |
| amb_mclk = AudioCodec_5_6448M; |
| mclk = 5644800; |
| oversample = AudioCodec_256xfs; |
| break; |
| case 24000: |
| amb_mclk = AudioCodec_6_144; |
| mclk = 6144000; |
| oversample = AudioCodec_256xfs; |
| break; |
| case 32000: |
| amb_mclk = AudioCodec_8_192M; |
| mclk = 8192000; |
| oversample = AudioCodec_256xfs; |
| break; |
| case 44100: |
| amb_mclk = AudioCodec_11_2896M; |
| mclk = 11289600; |
| oversample = AudioCodec_256xfs; |
| break; |
| case 48000: |
| amb_mclk = AudioCodec_12_288M; |
| mclk = 12288000; |
| oversample = AudioCodec_256xfs; |
| break; |
| default: |
| errorCode = -EINVAL; |
| goto hifi_hw_params_exit; |
| } |
| |
| errorCode = snd_soc_dai_set_fmt(codec_dai, |
| SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM); |
| if (errorCode < 0) { |
| pr_err("can't set codec DAI configuration\n"); |
| goto hifi_hw_params_exit; |
| } |
| errorCode = snd_soc_dai_set_fmt(cpu_dai, |
| SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM); |
| if (errorCode < 0) { |
| pr_err("can't set cpu DAI configuration\n"); |
| goto hifi_hw_params_exit; |
| } |
| errorCode = snd_soc_dai_set_sysclk(cpu_dai,AMBARELLA_CLKSRC_ONCHIP,amb_mclk,0); |
| if (errorCode < 0) { |
| pr_err("can't set cpu MCLK configuration\n"); |
| goto hifi_hw_params_exit; |
| } |
| errorCode = snd_soc_dai_set_clkdiv(cpu_dai,AMBARELLA_CLKDIV_LRCLK,oversample); |
| if (errorCode <0) { |
| pr_err("can't set cpu MCLK/SF ratio\n"); |
| goto hifi_hw_params_exit; |
| } |
| errorCode = snd_soc_dai_set_sysclk(codec_dai, 1, mclk, 0); |
| if (errorCode < 0) { |
| pr_err("can't set cpu MCLK configuration\n"); |
| goto hifi_hw_params_exit; |
| } |
| |
| hifi_hw_params_exit: |
| return errorCode; |
| } |
| |
| static struct snd_soc_ops PJ203_hifi_ops = { |
| .startup = PJ203_board_startup, |
| .hw_params = PJ203_hifi_hw_params, |
| }; |
| |
| static struct snd_soc_dai_link PJ203_dai_link[] = { |
| { |
| .name = "dac31amb", |
| .stream_name = "TLV320 HiFi", |
| .cpu_dai_name = "ambarella-i2s.0", |
| .codec_dai_name = "tlv320dac31", |
| .platform_name = "ambarella-pcm-audio", |
| .codec_name = "tlv320dac31-codec.0-0018", |
| .init = PJ203_tlv320_init, |
| .ops = &PJ203_hifi_ops, |
| } |
| }; |
| |
| static struct snd_soc_card snd_soc_card_PJ203 = { |
| .name = "PJ203", |
| .dai_link = PJ203_dai_link, |
| .num_links = 1, |
| }; |
| |
| static struct platform_device *PJ203_snd_device; |
| |
| static int __init PJ203_board_init(void) |
| { |
| int errCode = 0; |
| PJ203_snd_device = platform_device_alloc("soc-audio",-1); |
| if (!PJ203_snd_device) { |
| pr_err("failed in device alloc \n"); |
| return -ENOMEM; |
| } |
| |
| platform_set_drvdata(PJ203_snd_device,&snd_soc_card_PJ203); |
| |
| errCode = platform_device_add(PJ203_snd_device); |
| if (errCode) |
| goto PJ203_board_init_exit; |
| PRINTK("success in PJ203_board_init\n"); |
| return 0; |
| |
| PJ203_board_init_exit: |
| platform_device_put(PJ203_snd_device); |
| return errCode; |
| } |
| |
| static void __exit PJ203_board_exit(void) |
| { |
| #if GPIO_JACK |
| snd_soc_jack_free_gpios(&hs_jack,ARRAY_SIZE(hs_jack_gpios),hs_jack_gpios); |
| #endif |
| platform_device_unregister(PJ203_snd_device); |
| } |
| |
| module_init(PJ203_board_init); |
| module_exit(PJ203_board_exit); |
| |
| MODULE_AUTHOR("Diao Chengdong <cddiao@ambarella.com>"); |
| MODULE_DESCRIPTION("Ambarella PJ203 Board with tlv320DAC3100 Codec for ALSA"); |
| MODULE_LICENSE("GPL"); |