2 * rk29_rt3261.c -- SoC audio for rockchip
4 * Driver for rockchip rt3261 audio
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.
14 #include <linux/module.h>
15 #include <linux/device.h>
16 #include <sound/core.h>
17 #include <sound/pcm.h>
18 #include <sound/soc.h>
19 #include <sound/soc-dapm.h>
22 #include <linux/of_gpio.h>
24 #include "../codecs/rt3261.h"
25 #include "card_info.h"
30 #define DBG(x...) printk(KERN_INFO x)
35 static int rockchip_rt3261_hifi_hw_params(struct snd_pcm_substream *substream,
36 struct snd_pcm_hw_params *params)
38 struct snd_soc_pcm_runtime *rtd = substream->private_data;
39 struct snd_soc_dai *codec_dai = rtd->codec_dai;
40 struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
41 unsigned int pll_out = 0;
44 DBG("Enter::%s----%d\n",__FUNCTION__,__LINE__);
46 switch(params_rate(params)) {
60 DBG("Enter:%s, %d, Error rate=%d\n", __FUNCTION__, __LINE__, params_rate(params));
65 DBG("Enter:%s, %d, rate=%d\n", __FUNCTION__, __LINE__, params_rate(params));
67 /*Set the system clk for codec*/
68 snd_soc_dai_set_pll(codec_dai, 0, RT3261_PLL1_S_MCLK, pll_out, pll_out*2); //bard 8-29
69 ret = snd_soc_dai_set_sysclk(codec_dai, RT3261_SCLK_S_PLL1, pll_out*2, SND_SOC_CLOCK_IN); //bard 8-29
72 DBG("rk29_hw_params_rt3261:failed to set the sysclk for codec side\n");
76 snd_soc_dai_set_sysclk(cpu_dai, 0, pll_out, 0);
77 snd_soc_dai_set_clkdiv(cpu_dai, ROCKCHIP_DIV_BCLK, (pll_out/4)/params_rate(params)-1);
78 snd_soc_dai_set_clkdiv(cpu_dai, ROCKCHIP_DIV_MCLK, 3);// 256k = 48-1 3M=3
80 DBG("Enter:%s, %d, pll_out/4/params_rate(params) = %d \n", __FUNCTION__, __LINE__, (pll_out/4)/params_rate(params));
85 static int rockchip_rt3261_voice_hw_params(struct snd_pcm_substream *substream,
86 struct snd_pcm_hw_params *params)
88 struct snd_soc_pcm_runtime *rtd = substream->private_data;
89 struct snd_soc_dai *codec_dai = rtd->codec_dai;
90 struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
91 unsigned int pll_out = 0;
94 DBG("Enter::%s----%d\n",__FUNCTION__,__LINE__);
96 ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_DSP_A |
97 SND_SOC_DAIFMT_IB_NF | SND_SOC_DAIFMT_CBS_CFS );
99 switch(params_rate(params)) {
113 DBG("Enter:%s, %d, Error rate=%d\n", __FUNCTION__, __LINE__, params_rate(params));
118 DBG("Enter:%s, %d, rate=%d\n", __FUNCTION__, __LINE__, params_rate(params));
120 /*Set the system clk for codec*/
121 snd_soc_dai_set_pll(codec_dai, 0, RT3261_PLL1_S_MCLK, pll_out, pll_out*2); //bard 8-29
122 ret = snd_soc_dai_set_sysclk(codec_dai, RT3261_SCLK_S_PLL1, pll_out*2, SND_SOC_CLOCK_IN); //bard 8-29
126 printk("rk29_hw_params_rt3261:failed to set the sysclk for codec side\n");
130 snd_soc_dai_set_sysclk(cpu_dai, 0, pll_out, 0);
131 //snd_soc_dai_set_clkdiv(cpu_dai, ROCKCHIP_DIV_BCLK, (pll_out/4)/params_rate(params)-1);
132 //snd_soc_dai_set_clkdiv(cpu_dai, ROCKCHIP_DIV_MCLK, 3);
134 DBG("Enter:%s, %d, pll_out/4/params_rate(params) = %d \n", __FUNCTION__, __LINE__, (pll_out/4)/params_rate(params));
139 static const struct snd_soc_dapm_widget rockchip_rt3261_dapm_widgets[] = {
140 SND_SOC_DAPM_MIC("Mic Jack", NULL),
141 SND_SOC_DAPM_MIC("Headset Jack", NULL),
142 SND_SOC_DAPM_SPK("Ext Spk", NULL),
143 SND_SOC_DAPM_HP("Headphone Jack", NULL),
146 static const struct snd_soc_dapm_route audio_map[]={
148 /* Mic Jack --> MIC_IN*/
149 {"micbias1", NULL, "Mic Jack"},
150 {"MIC1", NULL, "micbias1"},
153 {"micbias1", NULL, "Headset Jack"},
154 {"MIC3", NULL, "micbias1"},
156 {"Ext Spk", NULL, "SPOLP"},
157 {"Ext Spk", NULL, "SPOLN"},
158 {"Ext Spk", NULL, "SPORP"},
159 {"Ext Spk", NULL, "SPORN"},
161 {"Headphone Jack", NULL, "HPOL"},
162 {"Headphone Jack", NULL, "HPOR"},
165 static const struct snd_kcontrol_new rockchip_rt3261_controls[] = {
166 SOC_DAPM_PIN_SWITCH("Mic Jack"),
167 SOC_DAPM_PIN_SWITCH("Headset Jack"),
168 SOC_DAPM_PIN_SWITCH("Ext Spk"),
169 SOC_DAPM_PIN_SWITCH("Headphone Jack"),
173 * Logic for a rt3261 as connected on a rockchip board.
175 static int rockchip_rt3261_init(struct snd_soc_pcm_runtime *rtd)
177 struct snd_soc_codec *codec = rtd->codec;
178 struct snd_soc_dapm_context *dapm = &codec->dapm;
180 DBG("Enter::%s----%d\n",__FUNCTION__,__LINE__);
182 snd_soc_add_codec_controls(codec, rockchip_rt3261_controls,
183 ARRAY_SIZE(rockchip_rt3261_controls));
185 /* Add specific widgets */
186 snd_soc_dapm_new_controls(dapm, rockchip_rt3261_dapm_widgets,
187 ARRAY_SIZE(rockchip_rt3261_dapm_widgets));
188 /* Set up specific audio path audio_mapnects */
189 snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
191 snd_soc_dapm_enable_pin(dapm, "Mic Jack");
192 snd_soc_dapm_enable_pin(dapm, "Headset Jack");
193 snd_soc_dapm_enable_pin(dapm, "Ext Spk");
194 snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
196 extern int hdmi_is_insert(void);
197 extern void codec_set_spk(bool on);
199 rt3261_codec_set_spk(false);
202 #ifdef CONFIG_HDMI_RK30
203 extern int hdmi_get_hotplug(void);
204 if(hdmi_get_hotplug() == 2/*HDMI_HPD_ACTIVED*/)
205 rt3261_codec_set_spk(false);
208 snd_soc_dapm_sync(dapm);
213 static struct snd_soc_ops rockchip_rt3261_hifi_ops = {
214 .hw_params = rockchip_rt3261_hifi_hw_params,
217 static struct snd_soc_ops rockchip_rt3261_voice_ops = {
218 .hw_params = rockchip_rt3261_voice_hw_params,
221 static struct snd_soc_dai_link rockchip_rt3261_dai[] = {
223 .name = "RT3261 I2S1",
224 .stream_name = "RT3261 PCM1",
225 .codec_dai_name = "rt3261-aif1",
226 .init = rockchip_rt3261_init,
227 .ops = &rockchip_rt3261_hifi_ops,
230 .name = "RT3261 I2S2",
231 .stream_name = "RT3261 PCM2",
232 .codec_dai_name = "rt3261-aif2",
233 .ops = &rockchip_rt3261_voice_ops,
238 static struct snd_soc_card rockchip_rt3261_snd_card = {
239 #if defined (CONFIG_SND_SOC_RT3224)
244 .owner = THIS_MODULE,
245 .dai_link = rockchip_rt3261_dai,
246 .num_links = ARRAY_SIZE(rockchip_rt3261_dai),
252 compatible = "rockchip-rt3261";
255 codec-name = "rt3261.0-001c";
256 cpu-dai-name = "rockchip-i2s.1";
261 codec-name = "rt3261.0-001c";
262 cpu-dai-name = "rockchip-i2s.1";
267 static int rockchip_rt3261_audio_probe(struct platform_device *pdev)
270 struct snd_soc_card *card = &rockchip_rt3261_snd_card;
272 card->dev = &pdev->dev;
274 ret = rockchip_of_get_sound_card_info(card);
276 printk("%s() get sound card info failed:%d\n", __FUNCTION__, ret);
280 ret = snd_soc_register_card(card);
282 printk("%s() register card failed:%d\n", __FUNCTION__, ret);
287 static int rockchip_rt3261_audio_remove(struct platform_device *pdev)
289 struct snd_soc_card *card = platform_get_drvdata(pdev);
291 snd_soc_unregister_card(card);
297 static const struct of_device_id rockchip_rt3261_of_match[] = {
298 { .compatible = "rockchip-rt3261", },
301 MODULE_DEVICE_TABLE(of, rockchip_rt3261_of_match);
302 #endif /* CONFIG_OF */
304 static struct platform_driver rockchip_rt3261_audio_driver = {
306 .name = "rockchip-rt3261",
307 .owner = THIS_MODULE,
308 .of_match_table = of_match_ptr(rockchip_rt3261_of_match),
310 .probe = rockchip_rt3261_audio_probe,
311 .remove = rockchip_rt3261_audio_remove,
314 module_platform_driver(rockchip_rt3261_audio_driver);
316 /* Module information */
317 MODULE_AUTHOR("rockchip");
318 MODULE_DESCRIPTION("ROCKCHIP i2s ASoC Interface");
319 MODULE_LICENSE("GPL");