sound/soc/rockchip/rk_jetta_codec.c

   1 /*
   2  * rk29_wm8988.c  --  SoC audio for rockchip
   3  *
   4  * Driver for rockchip wm8988 audio
   5  *
   6  *  This program is free software; you can redistribute  it and/or modify it
   7  *  under  the terms of  the GNU General  Public License as published by the
   8  *  Free Software Foundation;  either version 2 of the  License, or (at your
   9  *  option) any later version.
  10  *
  11  *
  12  */
  13
  14 #include <linux/module.h>
  15 #include <linux/device.h>
  16 #include <linux/of.h>
  17 #include <linux/of_gpio.h>
  18 #include <sound/core.h>
  19 #include <sound/pcm.h>
  20 #include <sound/soc.h>
  21 #include <sound/soc-dapm.h>
  22 #include "../codecs/rk610_codec.h"
  23 #include "rk_pcm.h"
  24 #include "rk29_i2s.h"
  25 #ifdef CONFIG_MACH_RK_FAC
  26 #include <plat/config.h>
  27 extern int codec_type;
  28 #endif
  29
  30 #if 0
  31 #define DBG(x...)       printk(KERN_ERR x)
  32 #else
  33 #define DBG(x...)
  34 #endif
  35
  36 static int rk29_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         unsigned int pll_out = 0;
  44         int div_bclk,div_mclk;
  45 //      struct clk      *general_pll;
  46
  47         DBG("Enter::%s----%d\n",__FUNCTION__,__LINE__);
  48         /*by Vincent Hsiung for EQ Vol Change*/
  49         #define HW_PARAMS_FLAG_EQVOL_ON 0x21
  50         #define HW_PARAMS_FLAG_EQVOL_OFF 0x22
  51         if ((params->flags == HW_PARAMS_FLAG_EQVOL_ON)||(params->flags == HW_PARAMS_FLAG_EQVOL_OFF))
  52         {
  53                 ret = codec_dai->driver->ops->hw_params(substream, params, codec_dai); //by Vincent
  54         }
  55         else
  56         {
  57                 /* set codec DAI configuration */
  58                 DBG("Enter::%s----%d\n",__FUNCTION__,__LINE__);
  59                 #if defined (CONFIG_SND_RK_CODEC_SOC_SLAVE)
  60                 ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S |
  61                         SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS);
  62                 #elif defined (CONFIG_SND_RK_CODEC_SOC_MASTER)
  63                 ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S |
  64                         SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM );
  65                 #endif
  66                 if (ret < 0)
  67                         return ret;
  68                 /* set cpu DAI configuration */
  69                 DBG("Enter::%s----%d\n",__FUNCTION__,__LINE__);
  70                 #if defined (CONFIG_SND_RK_CODEC_SOC_SLAVE)
  71                 ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S |
  72                         SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM);
  73                 #elif defined (CONFIG_SND_RK_CODEC_SOC_MASTER)
  74                 ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S |
  75                         SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS);
  76                 #endif
  77                 if (ret < 0)
  78                         return ret;
  79         }
  80
  81         switch(params_rate(params)) {
  82         case 8000:
  83         case 16000:
  84         case 24000:
  85         case 32000:
  86         case 48000:
  87         case 96000:
  88             pll_out = 12288000;
  89             break;
  90         case 11025:
  91         case 22050:
  92         case 44100:
  93         case 88200:
  94             pll_out = 11289600;
  95             break;
  96         case 176400:
  97                         pll_out = 11289600*2;
  98                 break;
  99         case 192000:
 100                 pll_out = 12288000*2;
 101                 break;
 102         default:
 103             DBG("Enter:%s, %d, Error rate=%d\n",__FUNCTION__,__LINE__,params_rate(params));
 104             return -EINVAL;
 105             break;
 106         }
 107         DBG("Enter:%s, %d, rate=%d\n",__FUNCTION__,__LINE__,params_rate(params));
 108         snd_soc_dai_set_sysclk(codec_dai, 0, pll_out, SND_SOC_CLOCK_IN);
 109
 110 //      #if defined (CONFIG_SND_RK_CODEC_SOC_MASTER)
 111 //              snd_soc_dai_set_sysclk(cpu_dai, 0, pll_out, 0);
 112 //      #endif
 113         #if defined (CONFIG_SND_RK_CODEC_SOC_SLAVE)
 114                 div_bclk = 63;
 115                 div_mclk = pll_out/(params_rate(params)*64) - 1;
 116
 117                 DBG("func is%s,pll_out=%d,div_mclk=%d div_bclk\n",
 118                                 __FUNCTION__,pll_out,div_mclk, div_bclk);
 119                 snd_soc_dai_set_sysclk(cpu_dai, 0, pll_out, 0);
 120                 snd_soc_dai_set_clkdiv(cpu_dai, ROCKCHIP_DIV_BCLK,div_bclk);
 121                 snd_soc_dai_set_clkdiv(cpu_dai, ROCKCHIP_DIV_MCLK, div_mclk);
 122 //              DBG("Enter:%s, %d, LRCK=%d\n",__FUNCTION__,__LINE__,(pll_out/4)/params_rate(params));
 123         #endif
 124     return 0;
 125 }
 126
 127 static struct snd_soc_ops rk29_ops = {
 128         .hw_params = rk29_hw_params,
 129 };
 130
 131 static struct snd_soc_dai_link rk29_dai = {
 132         .name = "RK610_CODEC",
 133         .stream_name = "RK610 CODEC PCM",
 134 #if defined(CONFIG_MACH_RK3168_DS1006H)|| defined(CONFIG_MACH_RK3168_LR097)
 135         .codec_name = "RK610_CODEC.4-0060",
 136 #else
 137         .codec_name = "RK610_CODEC.0-0060",
 138 #endif
 139         .platform_name = "rockchip-pcm",
 140 #if defined(CONFIG_SND_RK_SOC_I2S_8CH)
 141         .cpu_dai_name = "rockchip-i2s.0",
 142 #elif defined(CONFIG_SND_RK_SOC_I2S_2CH)
 143         .cpu_dai_name = "rockchip-i2s.1",
 144 #else
 145         .cpu_dai_name = "rockchip-i2s.2",
 146 #endif
 147         .codec_dai_name = "rk610_codec",
 148         .ops = &rk29_ops,
 149 };
 150 static struct snd_soc_card rockchip_rk610_snd_card = {
 151         .name = "RK_RK610",
 152         .dai_link = &rk29_dai,
 153         .num_links = 1,
 154 };
 155
 156 static int rockchip_rk610_audio_probe(struct platform_device *pdev)
 157 {
 158         int ret;
 159         struct snd_soc_card *card = &rockchip_rk610_snd_card;
 160
 161         card->dev = &pdev->dev;
 162
 163         ret = snd_soc_register_card(card);
 164
 165         if (ret)
 166                 printk("%s() register card failed:%d\n", __FUNCTION__, ret);
 167
 168         return ret;
 169 }
 170
 171 static int rockchip_rk610_audio_remove(struct platform_device *pdev)
 172 {
 173         struct snd_soc_card *card = platform_get_drvdata(pdev);
 174
 175         snd_soc_unregister_card(card);
 176
 177         return 0;
 178 }
 179
 180 #ifdef CONFIG_OF
 181 static const struct of_device_id rockchip_rk610_of_match[] = {
 182         { .compatible = "rockchip-rk610", },
 183         {},
 184 };
 185 MODULE_DEVICE_TABLE(of, rockchip_rk610_of_match);
 186 #endif /* CONFIG_OF */
 187
 188 static struct platform_driver rockchip_rk610_audio_driver = {
 189         .driver         = {
 190                 .name   = "rockchip-rk610",
 191                 .owner  = THIS_MODULE,
 192                 .of_match_table = of_match_ptr(rockchip_rk610_of_match),
 193         },
 194         .probe          = rockchip_rk610_audio_probe,
 195         .remove         = rockchip_rk610_audio_remove,
 196 };
 197
 198 module_platform_driver(rockchip_rk610_audio_driver);
 199
 200 /* Module information */
 201 MODULE_AUTHOR("rockchip");
 202 MODULE_DESCRIPTION("ROCKCHIP i2s ASoC Interface");
 203 MODULE_LICENSE("GPL");