--- /dev/null
+/*
+ * rk_rk3028.c -- SoC audio for rockchip
+ *
+ * Driver for rockchip rk3028 audio
+ *
+ * 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.
+ *
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/device.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <asm/io.h>
+#include <mach/hardware.h>
+#include "../codecs/rk3028_codec.h"
+#include "rk29_pcm.h"
+#include "rk29_i2s.h"
+
+#if 0
+#define DBG(x...) printk(KERN_INFO x)
+#else
+#define DBG(x...)
+#endif
+
+static const struct snd_soc_dapm_widget rk_dapm_widgets[] = {
+ SND_SOC_DAPM_MIC("Mic Jack", NULL),
+ SND_SOC_DAPM_MIC("Headset Jack", NULL),
+ SND_SOC_DAPM_SPK("Ext Spk", NULL),
+ SND_SOC_DAPM_HP("Headphone Jack", NULL),
+};
+
+static const struct snd_soc_dapm_route rk_audio_map[]={
+
+ /* Mic Jack --> MIC_IN*/
+ {"Mic Bias", NULL, "Mic Jack"},
+ {"MICP", NULL, "Mic Bias"},
+ {"MICN", NULL, "Mic Bias"},
+
+ // HP MIC
+ {"Mic Bias", NULL, "Headset Jack"},
+
+ {"Ext Spk", NULL, "HPOUTR"},
+ {"Ext Spk", NULL, "HPOUTL"},
+
+ {"Headphone Jack", NULL, "HPOUTR"},
+ {"Headphone Jack", NULL, "HPOUTL"},
+} ;
+
+static const struct snd_kcontrol_new rk_controls[] = {
+ SOC_DAPM_PIN_SWITCH("Mic Jack"),
+ SOC_DAPM_PIN_SWITCH("Headset Jack"),
+ SOC_DAPM_PIN_SWITCH("Ext Spk"),
+ SOC_DAPM_PIN_SWITCH("Headphone Jack"),
+};
+
+static int rk3028_init(struct snd_soc_pcm_runtime *rtd)
+{
+ struct snd_soc_codec *codec = rtd->codec;
+ struct snd_soc_dapm_context *dapm = &codec->dapm;
+
+ DBG("Enter::%s----%d\n",__FUNCTION__,__LINE__);
+
+ snd_soc_add_controls(codec, rk_controls,
+ ARRAY_SIZE(rk_controls));
+
+ /* Add specific widgets */
+ snd_soc_dapm_new_controls(dapm, rk_dapm_widgets,
+ ARRAY_SIZE(rk_dapm_widgets));
+ /* Set up specific audio path audio_mapnects */
+ snd_soc_dapm_add_routes(dapm, rk_audio_map, ARRAY_SIZE(rk_audio_map));
+
+ snd_soc_dapm_enable_pin(dapm, "Mic Jack");
+ snd_soc_dapm_enable_pin(dapm, "Headset Jack");
+ snd_soc_dapm_enable_pin(dapm, "Ext Spk");
+ snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
+
+ snd_soc_dapm_sync(dapm);
+
+ return 0;
+}
+
+static int rk_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;
+ unsigned int pll_out = 0;
+ int ret;
+
+ DBG("Enter::%s----%d\n",__FUNCTION__,__LINE__);
+
+ /* set codec DAI configuration */
+ #if defined (CONFIG_SND_RK29_CODEC_SOC_SLAVE)
+
+ ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S |
+ SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS);
+ #endif
+ #if defined (CONFIG_SND_RK29_CODEC_SOC_MASTER)
+
+ ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S |
+ SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM );
+ #endif
+ if (ret < 0)
+ return ret;
+
+ /* set cpu DAI configuration */
+ #if defined (CONFIG_SND_RK29_CODEC_SOC_SLAVE)
+ ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S |
+ SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM);
+ #endif
+ #if defined (CONFIG_SND_RK29_CODEC_SOC_MASTER)
+ ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S |
+ SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS);
+ #endif
+ if (ret < 0)
+ return ret;
+
+ switch(params_rate(params)) {
+ case 8000:
+ case 16000:
+ case 24000:
+ case 32000:
+ case 48000:
+ pll_out = 12288000;
+ break;
+ case 11025:
+ case 22050:
+ case 44100:
+ pll_out = 11289600;
+ break;
+ default:
+ DBG("Enter:%s, %d, Error rate=%d\n", __FUNCTION__, __LINE__, params_rate(params));
+ return -EINVAL;
+ break;
+ }
+
+ #if defined(CONFIG_RK3028_USE_MCLK_12M)
+ /* MCLK must be 12M when HDMI is in */
+ if (get_hdmi_state() && pll_out != 12000000) {
+ DBG("%s : HDMI is in, don't set sys clk\n",__FUNCTION__);
+ return 0;
+ }
+ #endif
+
+ DBG("Enter:%s, %d, rate=%d\n", __FUNCTION__, __LINE__, params_rate(params));
+
+ /*Set the system clk for codec*/
+ ret = snd_soc_dai_set_sysclk(codec_dai, 0, pll_out, SND_SOC_CLOCK_IN);
+ if (ret < 0) {
+ DBG("rk_hifi_hw_params:failed to set the sysclk for codec side\n");
+ return ret;
+ }
+
+ snd_soc_dai_set_sysclk(cpu_dai, 0, pll_out, 0);
+ snd_soc_dai_set_clkdiv(cpu_dai, ROCKCHIP_DIV_BCLK, (pll_out/4)/params_rate(params)-1);
+ snd_soc_dai_set_clkdiv(cpu_dai, ROCKCHIP_DIV_MCLK, 3);
+
+ DBG("Enter:%s, %d, pll_out/4/params_rate(params) = %d \n", __FUNCTION__, __LINE__, (pll_out/4)/params_rate(params));
+
+ return 0;
+}
+
+static int rk_voice_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;
+ unsigned int pll_out = 0;
+ int ret;
+
+ DBG("Enter::%s----%d\n",__FUNCTION__,__LINE__);
+
+ /* set codec DAI configuration */
+ ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_DSP_A |
+ SND_SOC_DAIFMT_IB_NF | SND_SOC_DAIFMT_CBS_CFS);
+
+ switch(params_rate(params)) {
+ case 8000:
+ case 16000:
+ case 24000:
+ case 32000:
+ case 48000:
+ pll_out = 12288000;
+ break;
+ case 11025:
+ case 22050:
+ case 44100:
+ pll_out = 11289600;
+ break;
+ default:
+ DBG("Enter:%s, %d, Error rate=%d\n", __FUNCTION__, __LINE__, params_rate(params));
+ return -EINVAL;
+ break;
+ }
+
+ /* MCLK must be 12M when HDMI is in */
+ #if defined(CONFIG_RK3028_USE_MCLK_12M)
+ if (get_hdmi_state() && pll_out != 12000000) {
+ DBG("%s : HDMI is in, don't set sys clk\n",__FUNCTION__);
+ return 0;
+ }
+ #endif
+
+ //snd_soc_dai_set_pll(codec_dai, RT5625_PLL_MCLK_TO_VSYSCLK, 0, pll_out, 24576000);
+
+ /*Set the system clk for codec*/
+ ret = snd_soc_dai_set_sysclk(codec_dai, 0, pll_out, SND_SOC_CLOCK_IN);
+
+ if (ret < 0) {
+ printk("rk_voice_hw_params:failed to set the sysclk for codec side\n");
+ return ret;
+ }
+
+ ret = snd_soc_dai_set_sysclk(cpu_dai, 0, pll_out, 0);
+
+ return 0;
+}
+
+static struct snd_soc_ops rk3028_hifi_ops = {
+ .hw_params = rk_hifi_hw_params,
+};
+
+static struct snd_soc_ops rk3028_voice_ops = {
+ .hw_params = rk_voice_hw_params,
+};
+
+static struct snd_soc_dai_link rk_dai[] = {
+ {
+ .name = "RK3028 I2S1",
+ .stream_name = "RK3028 PCM",
+ .codec_name = "rk3028-codec",
+ .platform_name = "rockchip-audio",
+#if defined(CONFIG_SND_RK29_SOC_I2S_8CH)
+ .cpu_dai_name = "rk29_i2s.0",
+#elif defined(CONFIG_SND_RK29_SOC_I2S_2CH)
+ .cpu_dai_name = "rk29_i2s.1",
+#endif
+ .codec_dai_name = "rk3028-hifi",
+ .init = rk3028_init,
+ .ops = &rk3028_hifi_ops,
+ },
+ {
+ .name = "RK3028 I2S2",
+ .stream_name = "RK3028 PCM",
+ .codec_name = "rk3028-codec",
+ .platform_name = "rockchip-audio",
+#if defined(CONFIG_SND_RK29_SOC_I2S_8CH)
+ .cpu_dai_name = "rk29_i2s.0",
+#elif defined(CONFIG_SND_RK29_SOC_I2S_2CH)
+ .cpu_dai_name = "rk29_i2s.1",
+#endif
+ .codec_dai_name = "rk3028-voice",
+ .ops = &rk3028_voice_ops,
+ },
+};
+
+static struct snd_soc_card snd_soc_card_rk = {
+ .name = "RK_RK3028",
+ .dai_link = rk_dai,
+ .num_links = 2,
+};
+
+static struct platform_device *rk_snd_device;
+
+static int __init audio_card_init(void)
+{
+ int ret =0;
+
+ DBG("Enter::%s----%d\n",__FUNCTION__,__LINE__);
+
+ rk_snd_device = platform_device_alloc("soc-audio", -1);
+ if (!rk_snd_device) {
+ printk("platform device allocation failed\n");
+ return -ENOMEM;
+ }
+
+ platform_set_drvdata(rk_snd_device, &snd_soc_card_rk);
+ ret = platform_device_add(rk_snd_device);
+ if (ret) {
+ printk("platform device add failed\n");
+
+ platform_device_put(rk_snd_device);
+ return ret;
+ }
+
+ return ret;
+}
+
+static void __exit audio_card_exit(void)
+{
+ platform_device_unregister(rk_snd_device);
+}
+
+module_init(audio_card_init);
+module_exit(audio_card_exit);
+/* Module information */
+MODULE_AUTHOR("rockchip");
+MODULE_DESCRIPTION("ROCKCHIP i2s ASoC Interface");
+MODULE_LICENSE("GPL");
projects / firefly-linux-kernel-4.4.55.git / commitdiff