2 * Rockchip machine ASoC driver for boards using MAX98357A/RT5514/DA7219
4 * Copyright (c) 2016, ROCKCHIP CORPORATION. All rights reserved.
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms and conditions of the GNU General Public License,
8 * version 2, as published by the Free Software Foundation.
10 * This program is distributed in the hope it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 #include <linux/module.h>
20 #include <linux/platform_device.h>
21 #include <linux/slab.h>
22 #include <linux/gpio.h>
23 #include <linux/of_gpio.h>
24 #include <linux/delay.h>
25 #include <linux/spi/spi.h>
26 #include <linux/input.h>
27 #include <sound/core.h>
28 #include <sound/jack.h>
29 #include <sound/pcm.h>
30 #include <sound/pcm_params.h>
31 #include <sound/soc.h>
32 #include "rockchip_i2s.h"
33 #include "../codecs/da7219.h"
34 #include "../codecs/da7219-aad.h"
35 #include "../codecs/rt5514.h"
37 #define DRV_NAME "rk3399-gru-sound"
41 unsigned int rt5514_dmic_delay;
43 static struct snd_soc_jack rockchip_sound_jack;
45 static const struct snd_soc_dapm_widget rockchip_dapm_widgets[] = {
46 SND_SOC_DAPM_HP("Headphones", NULL),
47 SND_SOC_DAPM_SPK("Speakers", NULL),
48 SND_SOC_DAPM_MIC("Headset Mic", NULL),
49 SND_SOC_DAPM_MIC("Int Mic", NULL),
52 static const struct snd_soc_dapm_route rockchip_dapm_routes[] = {
54 {"MIC", NULL, "Headset Mic"},
55 {"DMIC1L", NULL, "Int Mic"},
56 {"DMIC1R", NULL, "Int Mic"},
59 {"Headphones", NULL, "HPL"},
60 {"Headphones", NULL, "HPR"},
61 {"Speakers", NULL, "Speaker"},
64 static const struct snd_kcontrol_new rockchip_controls[] = {
65 SOC_DAPM_PIN_SWITCH("Headphones"),
66 SOC_DAPM_PIN_SWITCH("Speakers"),
67 SOC_DAPM_PIN_SWITCH("Headset Mic"),
68 SOC_DAPM_PIN_SWITCH("Int Mic"),
71 static int rockchip_sound_max98357a_hw_params(struct snd_pcm_substream *substream,
72 struct snd_pcm_hw_params *params)
74 struct snd_soc_pcm_runtime *rtd = substream->private_data;
78 /* max98357a supports these sample rates */
79 switch (params_rate(params)) {
84 mclk = params_rate(params) * SOUND_FS;
87 dev_err(rtd->card->dev, "%s() doesn't support this sample rate: %d\n",
88 __func__, params_rate(params));
92 ret = snd_soc_dai_set_sysclk(rtd->cpu_dai, 0, mclk, 0);
94 dev_err(rtd->card->dev, "%s() error setting sysclk to %u: %d\n",
102 static int rockchip_sound_rt5514_hw_params(struct snd_pcm_substream *substream,
103 struct snd_pcm_hw_params *params)
105 struct snd_soc_pcm_runtime *rtd = substream->private_data;
106 struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
107 struct snd_soc_dai *codec_dai = rtd->codec_dai;
111 mclk = params_rate(params) * SOUND_FS;
113 ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
116 dev_err(rtd->card->dev, "Can't set cpu clock out %d\n", ret);
120 ret = snd_soc_dai_set_sysclk(codec_dai, RT5514_SCLK_S_MCLK,
121 mclk, SND_SOC_CLOCK_IN);
123 dev_err(rtd->card->dev, "%s() error setting sysclk to %u: %d\n",
124 __func__, params_rate(params) * 512, ret);
128 /* Wait for DMIC stable */
129 msleep(rt5514_dmic_delay);
134 static int rockchip_sound_da7219_hw_params(struct snd_pcm_substream *substream,
135 struct snd_pcm_hw_params *params)
137 struct snd_soc_pcm_runtime *rtd = substream->private_data;
138 struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
139 struct snd_soc_dai *codec_dai = rtd->codec_dai;
142 /* in bypass mode, the mclk has to be one of the frequencies below */
143 switch (params_rate(params)) {
163 ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
166 dev_err(codec_dai->dev, "Can't set cpu clock out %d\n", ret);
170 ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
173 dev_err(codec_dai->dev, "Can't set codec clock in %d\n", ret);
177 ret = snd_soc_dai_set_pll(codec_dai, 0, DA7219_SYSCLK_MCLK, 0, 0);
179 dev_err(codec_dai->dev, "Can't set pll sysclk mclk %d\n", ret);
186 static int rockchip_sound_da7219_init(struct snd_soc_pcm_runtime *rtd)
188 struct snd_soc_codec *codec = rtd->codec_dais[0]->codec;
189 struct snd_soc_dai *codec_dai = rtd->codec_dai;
192 /* We need default MCLK and PLL settings for the accessory detection */
193 ret = snd_soc_dai_set_sysclk(codec_dai, 0, 12288000,
196 dev_err(codec_dai->dev, "Init can't set codec clock in %d\n", ret);
200 ret = snd_soc_dai_set_pll(codec_dai, 0, DA7219_SYSCLK_MCLK, 0, 0);
202 dev_err(codec_dai->dev, "Init can't set pll sysclk mclk %d\n", ret);
206 /* Enable Headset and 4 Buttons Jack detection */
207 ret = snd_soc_card_jack_new(rtd->card, "Headset Jack",
208 SND_JACK_HEADSET | SND_JACK_LINEOUT |
209 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
210 SND_JACK_BTN_2 | SND_JACK_BTN_3,
211 &rockchip_sound_jack, NULL, 0);
214 dev_err(rtd->card->dev, "New Headset Jack failed! (%d)\n", ret);
218 snd_jack_set_key(rockchip_sound_jack.jack, SND_JACK_BTN_0, KEY_MEDIA);
220 rockchip_sound_jack.jack, SND_JACK_BTN_1, KEY_VOLUMEUP);
222 rockchip_sound_jack.jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN);
224 rockchip_sound_jack.jack, SND_JACK_BTN_3, KEY_VOICECOMMAND);
226 da7219_aad_jack_det(codec, &rockchip_sound_jack);
231 static struct snd_soc_ops rockchip_sound_max98357a_ops = {
232 .hw_params = rockchip_sound_max98357a_hw_params,
235 static struct snd_soc_ops rockchip_sound_rt5514_ops = {
236 .hw_params = rockchip_sound_rt5514_hw_params,
239 static struct snd_soc_ops rockchip_sound_da7219_ops = {
240 .hw_params = rockchip_sound_da7219_hw_params,
250 #define DAILINK_ENTITIES (DAILINK_DA7219 + 1)
252 static struct snd_soc_dai_link rockchip_dailinks[] = {
253 [DAILINK_MAX98357A] = {
255 .stream_name = "MAX98357A PCM",
256 .codec_dai_name = "HiFi",
257 .ops = &rockchip_sound_max98357a_ops,
258 /* set max98357a as slave */
259 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
260 SND_SOC_DAIFMT_CBS_CFS,
264 .stream_name = "RT5514 PCM",
265 .codec_dai_name = "rt5514-aif1",
266 .ops = &rockchip_sound_rt5514_ops,
267 /* set rt5514 as slave */
268 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
269 SND_SOC_DAIFMT_CBS_CFS,
273 .stream_name = "DA7219 PCM",
274 .codec_dai_name = "da7219-hifi",
275 .init = rockchip_sound_da7219_init,
276 .ops = &rockchip_sound_da7219_ops,
277 /* set da7219 as slave */
278 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
279 SND_SOC_DAIFMT_CBS_CFS,
281 /* RT5514 DSP for voice wakeup via spi bus */
282 [DAILINK_RT5514_DSP] = {
283 .name = "RT5514 DSP",
284 .stream_name = "Wake on Voice",
285 .codec_name = "snd-soc-dummy",
286 .codec_dai_name = "snd-soc-dummy-dai",
290 static struct snd_soc_card rockchip_sound_card = {
291 .name = "rk3399-gru-sound",
292 .owner = THIS_MODULE,
293 .dai_link = rockchip_dailinks,
294 .num_links = ARRAY_SIZE(rockchip_dailinks),
295 .dapm_widgets = rockchip_dapm_widgets,
296 .num_dapm_widgets = ARRAY_SIZE(rockchip_dapm_widgets),
297 .dapm_routes = rockchip_dapm_routes,
298 .num_dapm_routes = ARRAY_SIZE(rockchip_dapm_routes),
299 .controls = rockchip_controls,
300 .num_controls = ARRAY_SIZE(rockchip_controls),
303 static int rockchip_sound_match_stub(struct device *dev, void *data)
308 static int rockchip_sound_probe(struct platform_device *pdev)
310 struct snd_soc_card *card = &rockchip_sound_card;
311 struct device_node *cpu_node;
313 struct device_driver *drv;
316 cpu_node = of_parse_phandle(pdev->dev.of_node, "rockchip,cpu", 0);
318 dev_err(&pdev->dev, "Property 'rockchip,cpu' missing or invalid\n");
322 for (i = 0; i < DAILINK_ENTITIES; i++) {
323 rockchip_dailinks[i].platform_of_node = cpu_node;
324 rockchip_dailinks[i].cpu_of_node = cpu_node;
326 rockchip_dailinks[i].codec_of_node =
327 of_parse_phandle(pdev->dev.of_node, "rockchip,codec", i);
328 if (!rockchip_dailinks[i].codec_of_node) {
330 "Property[%d] 'rockchip,codec' missing or invalid\n", i);
336 * To acquire the spi driver of the rt5514 and set the dai-links names
337 * for soc_bind_dai_link
339 drv = driver_find("rt5514", &spi_bus_type);
341 dev_err(&pdev->dev, "Can not find the rt5514 driver at the spi bus\n");
345 dev = driver_find_device(drv, NULL, NULL, rockchip_sound_match_stub);
347 dev_err(&pdev->dev, "Can not find the rt5514 device\n");
352 ret = device_property_read_u32(&pdev->dev, "dmic-delay",
355 rt5514_dmic_delay = 0;
357 "no optional property 'dmic-delay' found, default: no delay\n");
360 rockchip_dailinks[DAILINK_RT5514_DSP].cpu_name = kstrdup_const(dev_name(dev), GFP_KERNEL);
361 rockchip_dailinks[DAILINK_RT5514_DSP].cpu_dai_name = kstrdup_const(dev_name(dev), GFP_KERNEL);
362 rockchip_dailinks[DAILINK_RT5514_DSP].platform_name = kstrdup_const(dev_name(dev), GFP_KERNEL);
364 card->dev = &pdev->dev;
365 platform_set_drvdata(pdev, card);
367 ret = devm_snd_soc_register_card(&pdev->dev, card);
369 dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n",
375 static const struct of_device_id rockchip_sound_of_match[] = {
376 { .compatible = "rockchip,rk3399-gru-sound", },
380 static struct platform_driver rockchip_sound_driver = {
381 .probe = rockchip_sound_probe,
384 .of_match_table = rockchip_sound_of_match,
386 .pm = &snd_soc_pm_ops,
391 module_platform_driver(rockchip_sound_driver);
393 MODULE_AUTHOR("Xing Zheng <zhengxing@rock-chips.com>");
394 MODULE_DESCRIPTION("Rockchip ASoC Machine Driver");
395 MODULE_LICENSE("GPL v2");
396 MODULE_ALIAS("platform:" DRV_NAME);
397 MODULE_DEVICE_TABLE(of, rockchip_sound_of_match);