[PATCH v3] ASoC: rockchip: Add machine driver for MAX98357A/RT5514/DA7219

Xing Zheng
2016-05-30T07:32:45Z

Hi,
Could any guys help me to review this patch?

Thanks.

On 2016?05?26? 21:02, Xing Zheng wrote:
> There are multi codec devices on the RK3399 platform, we can use
> this patch support and control these codecs.
>
> Signed-off-by: Xing Zheng<zhengxing@rock-chips.com>
> ---
>
> Changes in v3:
> - rename DOC to rockchip,rk3399-max98357a-rt5514-da7219.txt
> - rename compatible to rockchip,rk3399-max98357a-rt5514-da7219
> - rename source code to rk3399_max98357a_rt5514_da7219.c
>
> Changes in v2:
> - use the FS 256 to set mclks of the max98357a and rt5514 danamically
> - add more sample rate for da7219
>
> .../rockchip,rk3399-max98357a-rt5514-da7219.txt | 15 +
> sound/soc/rockchip/Kconfig | 11 +
> sound/soc/rockchip/Makefile | 2 +
> .../soc/rockchip/rk3399_max98357a_rt5514_da7219.c | 333 ++++++++++++++++++++
> 4 files changed, 361 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/sound/rockchip,rk3399-max98357a-rt5514-da7219.txt
> create mode 100644 sound/soc/rockchip/rk3399_max98357a_rt5514_da7219.c
>
> diff --git a/Documentation/devicetree/bindings/sound/rockchip,rk3399-max98357a-rt5514-da7219.txt b/Documentation/devicetree/bindings/sound/rockchip,rk3399-max98357a-rt5514-da7219.txt
> new file mode 100644
> index 0000000..3ae603e
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/rockchip,rk3399-max98357a-rt5514-da7219.txt
> @@ -0,0 +1,15 @@
> +ROCKCHIP with MAX98357A/RT5514/DA7219 codecs
> +
> +Required properties:
> +- compatible: "rockchip,rk3399-max98357a-rt5514-da7219"
> +- rockchip,cpu: The phandle of the Rockchip I2S controller that's
> + connected to the codecs
> +- rockchip,codec: The phandle of the MAX98357A/RT5514/DA7219 codecs
> +
> +Example:
> +
> +sound {
> + compatible = "rockchip,rk3399-max98357a-rt5514-da7219";
> + rockchip,cpu =<&i2s0&i2s0&i2s1>;
> + rockchip,codec =<&max98357a&headsetcodec&codec>;
> +};
> diff --git a/sound/soc/rockchip/Kconfig b/sound/soc/rockchip/Kconfig
> index f1e0c70..e5bd1f9 100644
> --- a/sound/soc/rockchip/Kconfig
> +++ b/sound/soc/rockchip/Kconfig
> @@ -41,3 +41,14 @@ config SND_SOC_ROCKCHIP_RT5645
> help
> Say Y or M here if you want to add support for SoC audio on Rockchip
> boards using the RT5645/RT5650 codec, such as Veyron.
> +
> +config SND_SOC_RK3399_MAX98357A_RT5514_DA7219
> + tristate "ASoC support for Rockchip RK3399 boards using the MAX98357A/RT5514/DA7219"
> + depends on SND_SOC_ROCKCHIP&& GPIOLIB
> + select SND_SOC_ROCKCHIP_I2S
> + select SND_SOC_MAX98357A
> + select SND_SOC_RT5514
> + select SND_SOC_DA7219
> + help
> + Say Y or M here if you want to add support for SoC audio on Rockchip RK3399
> + boards using the MAX98357A/RT5514/DA7219.
> diff --git a/sound/soc/rockchip/Makefile b/sound/soc/rockchip/Makefile
> index c0bf560..0d9ca0a 100644
> --- a/sound/soc/rockchip/Makefile
> +++ b/sound/soc/rockchip/Makefile
> @@ -7,6 +7,8 @@ obj-$(CONFIG_SND_SOC_ROCKCHIP_SPDIF) += snd-soc-rockchip-spdif.o
>
> snd-soc-rockchip-max98090-objs := rockchip_max98090.o
> snd-soc-rockchip-rt5645-objs := rockchip_rt5645.o
> +snd-soc-rk3399-max98357a-rt5514-da7219-objs := rk3399_max98357a_rt5514_da7219.o
>
> obj-$(CONFIG_SND_SOC_ROCKCHIP_MAX98090) += snd-soc-rockchip-max98090.o
> obj-$(CONFIG_SND_SOC_ROCKCHIP_RT5645) += snd-soc-rockchip-rt5645.o
> +obj-$(CONFIG_SND_SOC_RK3399_MAX98357A_RT5514_DA7219) += snd-soc-rk3399-max98357a-rt5514-da7219.o
> diff --git a/sound/soc/rockchip/rk3399_max98357a_rt5514_da7219.c b/sound/soc/rockchip/rk3399_max98357a_rt5514_da7219.c
> new file mode 100644
> index 0000000..ec88600
> --- /dev/null
> +++ b/sound/soc/rockchip/rk3399_max98357a_rt5514_da7219.c
> @@ -0,0 +1,333 @@
> +/*
> + * Rockchip machine ASoC driver for boards using MAX98357A/RT5514/DA7219
> + *
> + * Copyright (c) 2016, ROCKCHIP CORPORATION. All rights reserved.
> + *
> + * This program is free software; you can redistribute it and/or modify it
> + * under the terms and conditions of the GNU General Public License,
> + * version 2, as published by the Free Software Foundation.
> + *
> + * This program is distributed in the hope 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, see<http://www.gnu.org/licenses/>.
> + */
> +
> +#include<linux/module.h>
> +#include<linux/platform_device.h>
> +#include<linux/slab.h>
> +#include<linux/gpio.h>
> +#include<linux/of_gpio.h>
> +#include<linux/delay.h>
> +#include<linux/spi/spi.h>
> +#include<sound/core.h>
> +#include<sound/jack.h>
> +#include<sound/pcm.h>
> +#include<sound/pcm_params.h>
> +#include<sound/soc.h>
> +#include "rockchip_i2s.h"
> +#include "../codecs/da7219.h"
> +#include "../codecs/da7219-aad.h"
> +#include "../codecs/rt5514.h"
> +
> +#define DRV_NAME "rk3399-max98357a-rt5514-da7219"
> +
> +#define SOUND_FS 256
> +
> +static struct snd_soc_jack rockchip_sound_jack;
> +
> +static const struct snd_soc_dapm_widget rockchip_dapm_widgets[] = {
> + SND_SOC_DAPM_HP("Headphones", NULL),
> + SND_SOC_DAPM_SPK("Speakers", NULL),
> + SND_SOC_DAPM_MIC("Headset Mic", NULL),
> + SND_SOC_DAPM_MIC("Int Mic", NULL),
> +};
> +
> +static const struct snd_soc_dapm_route rockchip_dapm_routes[] = {
> + /* Input Lines */
> + {"MIC", NULL, "Headset Mic"},
> + {"DMIC1L", NULL, "Int Mic"},
> + {"DMIC1R", NULL, "Int Mic"},
> +
> + /* Output Lines */
> + {"Headphones", NULL, "HPL"},
> + {"Headphones", NULL, "HPR"},
> + {"Speakers", NULL, "Speakers"},
> +};
> +
> +static const struct snd_kcontrol_new rockchip_controls[] = {
> + SOC_DAPM_PIN_SWITCH("Headphones"),
> + SOC_DAPM_PIN_SWITCH("Speakers"),
> + SOC_DAPM_PIN_SWITCH("Headset Mic"),
> + SOC_DAPM_PIN_SWITCH("Int Mic"),
> +};
> +
> +static int rockchip_sound_max98357a_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_dapm_context *dapm =&rtd->card->dapm;
> + unsigned int mclk;
> + int ret;
> +
> + /* max98357a supports these sample rates */
> + switch (params_rate(params)) {
> + case 8000:
> + case 16000:
> + case 48000:
> + case 96000:
> + mclk = params_rate(params) * SOUND_FS;
> + break;
> + default:
> + dev_err(rtd->card->dev, "%s() doesn't support this sample rate: %d\n",
> + __func__, params_rate(params));
> + return -EINVAL;
> + }
> +
> + ret = snd_soc_dai_set_sysclk(rtd->cpu_dai, 0, mclk, 0);
> + if (ret) {
> + dev_err(rtd->card->dev, "%s() error setting sysclk to %u: %d\n",
> + __func__, mclk, ret);
> + return ret;
> + }
> +
> + snd_soc_dapm_disable_pin(dapm, "Headphones");
> + snd_soc_dapm_enable_pin(dapm, "Speakers");
> + snd_soc_dapm_sync(dapm);
> +
> + return 0;
> +}
> +
> +static int rockchip_sound_rt5514_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 *cpu_dai = rtd->cpu_dai;
> + struct snd_soc_dai *codec_dai = rtd->codec_dai;
> + unsigned int mclk;
> + int ret;
> +
> + mclk = params_rate(params) * SOUND_FS;
> +
> + ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
> + SND_SOC_CLOCK_OUT);
> + if (ret< 0) {
> + dev_err(rtd->card->dev, "Can't set cpu clock out %d\n", ret);
> + return ret;
> + }
> +
> + ret = snd_soc_dai_set_sysclk(codec_dai, RT5514_SCLK_S_MCLK,
> + mclk, SND_SOC_CLOCK_IN);
> + if (ret) {
> + dev_err(rtd->card->dev, "%s() error setting sysclk to %u: %d\n",
> + __func__, params_rate(params) * 512, ret);
> + return ret;
> + }
> +
> + return 0;
> +}
> +
> +static int rockchip_sound_da7219_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 *cpu_dai = rtd->cpu_dai;
> + struct snd_soc_dai *codec_dai = rtd->codec_dai;
> + struct snd_soc_dapm_context *dapm =&rtd->card->dapm;
> + int mclk, ret;
> +
> + /* in bypass mode, the mclk has to be one of the frequencies below */
> + switch (params_rate(params)) {
> + case 8000:
> + case 16000:
> + case 24000:
> + case 32000:
> + case 48000:
> + case 64000:
> + case 96000:
> + mclk = 12288000;
> + break;
> + case 11025:
> + case 22050:
> + case 44100:
> + case 88200:
> + mclk = 11289600;
> + break;
> + default:
> + return -EINVAL;
> + }
> +
> + ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
> + SND_SOC_CLOCK_OUT);
> + if (ret< 0) {
> + dev_err(codec_dai->dev, "Can't set cpu clock out %d\n", ret);
> + return ret;
> + }
> +
> + ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
> + SND_SOC_CLOCK_IN);
> + if (ret< 0) {
> + dev_err(codec_dai->dev, "Can't set codec clock in %d\n", ret);
> + return ret;
> + }
> +
> + ret = snd_soc_dai_set_pll(codec_dai, 0, DA7219_SYSCLK_MCLK, 0, 0);
> + if (ret< 0) {
> + dev_err(codec_dai->dev, "Can't set pll sysclk mclk %d\n", ret);
> + return ret;
> + }
> +
> + snd_soc_dapm_disable_pin(dapm, "Speakers");
> + snd_soc_dapm_enable_pin(dapm, "Headphones");
> + snd_soc_dapm_sync(dapm);
> +
> + return 0;
> +}
> +
> +static int rockchip_sound_da7219_init(struct snd_soc_pcm_runtime *rtd)
> +{
> + struct snd_soc_codec *codec = rtd->codec_dais[0]->codec;
> + int ret;
> +
> + /* Enable Headset and 4 Buttons Jack detection */
> + ret = snd_soc_card_jack_new(rtd->card, "Headset Jack",
> + SND_JACK_HEADSET |
> + SND_JACK_BTN_0 | SND_JACK_BTN_1 |
> + SND_JACK_BTN_2 | SND_JACK_BTN_3,
> + &rockchip_sound_jack, NULL, 0);
> +
> + if (ret) {
> + dev_err(rtd->card->dev, "New Headset Jack failed! (%d)\n", ret);
> + return ret;
> + }
> +
> + da7219_aad_jack_det(codec,&rockchip_sound_jack);
> +
> + return 0;
> +}
> +
> +static struct snd_soc_ops rockchip_sound_max98357a_ops = {
> + .hw_params = rockchip_sound_max98357a_hw_params,
> +};
> +
> +static struct snd_soc_ops rockchip_sound_rt5514_ops = {
> + .hw_params = rockchip_sound_rt5514_hw_params,
> +};
> +
> +static struct snd_soc_ops rockchip_sound_da7219_ops = {
> + .hw_params = rockchip_sound_da7219_hw_params,
> +};
> +
> +enum {
> + DAILINK_MAX98357A,
> + DAILINK_RT5514,
> + DAILINK_DA7219,
> +};
> +
> +static struct snd_soc_dai_link rockchip_dailinks[] = {
> + [DAILINK_MAX98357A] = {
> + .name = "MAX98357A",
> + .stream_name = "MAX98357A PCM",
> + .codec_dai_name = "HiFi",
> + .ops =&rockchip_sound_max98357a_ops,
> + /* set max98357a as slave */
> + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
> + SND_SOC_DAIFMT_CBS_CFS,
> + },
> + [DAILINK_RT5514] = {
> + .name = "RT5514",
> + .stream_name = "RT5514 PCM",
> + .codec_dai_name = "rt5514-aif1",
> + .ops =&rockchip_sound_rt5514_ops,
> + /* set rt5514 as slave */
> + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
> + SND_SOC_DAIFMT_CBS_CFS,
> + },
> + [DAILINK_DA7219] = {
> + .name = "DA7219",
> + .stream_name = "DA7219 PCM",
> + .codec_dai_name = "da7219-hifi",
> + .init = rockchip_sound_da7219_init,
> + .ops =&rockchip_sound_da7219_ops,
> + /* set da7219 as slave */
> + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
> + SND_SOC_DAIFMT_CBS_CFS,
> + },
> +};
> +
> +static struct snd_soc_card rockchip_sound_card = {
> + .name = "rk3399-max98357a-rt5514-da7219",
> + .owner = THIS_MODULE,
> + .dai_link = rockchip_dailinks,
> + .num_links = ARRAY_SIZE(rockchip_dailinks),
> + .dapm_widgets = rockchip_dapm_widgets,
> + .num_dapm_widgets = ARRAY_SIZE(rockchip_dapm_widgets),
> + .dapm_routes = rockchip_dapm_routes,
> + .num_dapm_routes = ARRAY_SIZE(rockchip_dapm_routes),
> + .controls = rockchip_controls,
> + .num_controls = ARRAY_SIZE(rockchip_controls),
> +};
> +
> +static int rockchip_sound_probe(struct platform_device *pdev)
> +{
> + struct snd_soc_card *card =&rockchip_sound_card;
> + struct device_node *cpu_node;
> + int i, ret;
> +
> + for (i = 0; i< card->num_links; i++) {
> + cpu_node = of_parse_phandle(pdev->dev.of_node,
> + "rockchip,cpu", i);
> + if (!cpu_node) {
> + dev_err(&pdev->dev, "Property[%d] 'rockchip,cpu' missing or invalid\n", i);
> + return -EINVAL;
> + }
> +
> + rockchip_dailinks[i].platform_of_node = cpu_node;
> + rockchip_dailinks[i].cpu_of_node = cpu_node;
> +
> + rockchip_dailinks[i].codec_of_node =
> + of_parse_phandle(pdev->dev.of_node, "rockchip,codec", i);
> + if (!rockchip_dailinks[i].codec_of_node) {
> + dev_err(&pdev->dev,
> + "Property[%d] 'rockchip,codec' missing or invalid\n", i);
> + return -EINVAL;
> + }
> + }
> +
> + card->dev =&pdev->dev;
> + platform_set_drvdata(pdev, card);
> +
> + ret = devm_snd_soc_register_card(&pdev->dev, card);
> + if (ret)
> + dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n",
> + __func__, ret);
> +
> + return ret;
> +}
> +
> +static const struct of_device_id rockchip_sound_of_match[] = {
> + { .compatible = "rockchip,rk3399-max98357a-rt5514-da7219", },
> + {},
> +};
> +
> +static struct platform_driver rockchip_sound_driver = {
> + .probe = rockchip_sound_probe,
> + .driver = {
> + .name = DRV_NAME,
> + .of_match_table = rockchip_sound_of_match,
> +#ifdef CONFIG_PM
> + .pm =&snd_soc_pm_ops,
> +#endif
> + },
> +};
> +
> +module_platform_driver(rockchip_sound_driver);
> +
> +MODULE_AUTHOR("Xing Zheng<zhengxing@rock-chips.com>");
> +MODULE_DESCRIPTION("Rockchip ASoC Machine Driver");
> +MODULE_LICENSE("GPL v2");
> +MODULE_ALIAS("platform:" DRV_NAME);
> +MODULE_DEVICE_TABLE(of, rockchip_sound_of_match);

--
- Xing Zheng