diff options
Diffstat (limited to 'sound/soc/rockchip/rk3399_gru_sound.c')
| -rw-r--r-- | sound/soc/rockchip/rk3399_gru_sound.c | 629 |
1 files changed, 629 insertions, 0 deletions
diff --git a/sound/soc/rockchip/rk3399_gru_sound.c b/sound/soc/rockchip/rk3399_gru_sound.c new file mode 100644 index 000000000..0f704d22d --- /dev/null +++ b/sound/soc/rockchip/rk3399_gru_sound.c @@ -0,0 +1,629 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Rockchip machine ASoC driver for boards using MAX98357A/RT5514/DA7219 + * + * Copyright (c) 2016, ROCKCHIP CORPORATION. All rights reserved. + */ + +#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 <linux/i2c.h> +#include <linux/input.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/rt5514.h" + +#define DRV_NAME "rk3399-gru-sound" + +#define SOUND_FS 256 + +static unsigned int dmic_wakeup_delay; + +static struct snd_soc_jack rockchip_sound_jack; + +/* Headset jack detection DAPM pins */ +static struct snd_soc_jack_pin rockchip_sound_jack_pins[] = { + { + .pin = "Headphones", + .mask = SND_JACK_HEADPHONE, + }, + { + .pin = "Headset Mic", + .mask = SND_JACK_MICROPHONE, + }, + { + .pin = "Line Out", + .mask = SND_JACK_LINEOUT, + }, +}; + +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_LINE("Line Out", NULL), + SND_SOC_DAPM_MIC("Int Mic", NULL), + SND_SOC_DAPM_LINE("HDMI", NULL), +}; + +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("Line Out"), + SOC_DAPM_PIN_SWITCH("Int Mic"), + SOC_DAPM_PIN_SWITCH("HDMI"), +}; + +static int rockchip_sound_max98357a_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + unsigned int mclk; + int ret; + + mclk = params_rate(params) * SOUND_FS; + + ret = snd_soc_dai_set_sysclk(asoc_rtd_to_cpu(rtd, 0), 0, mclk, 0); + if (ret) { + dev_err(rtd->card->dev, "%s() error setting sysclk to %u: %d\n", + __func__, mclk, ret); + return ret; + } + + 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 = asoc_substream_to_rtd(substream); + struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); + struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); + 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; + } + + /* Wait for DMIC stable */ + msleep(dmic_wakeup_delay); + + 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 = asoc_substream_to_rtd(substream); + struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); + struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); + 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; + } + + return 0; +} + +static struct snd_soc_jack cdn_dp_card_jack; + +static int rockchip_sound_cdndp_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component; + struct snd_soc_card *card = rtd->card; + int ret; + + /* Enable jack detection. */ + ret = snd_soc_card_jack_new(card, "DP Jack", SND_JACK_LINEOUT, + &cdn_dp_card_jack); + if (ret) { + dev_err(card->dev, "Can't create DP Jack %d\n", ret); + return ret; + } + + return snd_soc_component_set_jack(component, &cdn_dp_card_jack, NULL); +} + +static int rockchip_sound_da7219_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component; + struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); + int ret; + + /* We need default MCLK and PLL settings for the accessory detection */ + ret = snd_soc_dai_set_sysclk(codec_dai, 0, 12288000, + SND_SOC_CLOCK_IN); + if (ret < 0) { + dev_err(codec_dai->dev, "Init 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, "Init can't set pll sysclk mclk %d\n", ret); + return ret; + } + + /* Enable Headset and 4 Buttons Jack detection */ + ret = snd_soc_card_jack_new_pins(rtd->card, "Headset Jack", + SND_JACK_HEADSET | SND_JACK_LINEOUT | + SND_JACK_BTN_0 | SND_JACK_BTN_1 | + SND_JACK_BTN_2 | SND_JACK_BTN_3, + &rockchip_sound_jack, + rockchip_sound_jack_pins, + ARRAY_SIZE(rockchip_sound_jack_pins)); + + if (ret) { + dev_err(rtd->card->dev, "New Headset Jack failed! (%d)\n", ret); + return ret; + } + + snd_jack_set_key( + rockchip_sound_jack.jack, SND_JACK_BTN_0, KEY_PLAYPAUSE); + snd_jack_set_key( + rockchip_sound_jack.jack, SND_JACK_BTN_1, KEY_VOLUMEUP); + snd_jack_set_key( + rockchip_sound_jack.jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN); + snd_jack_set_key( + rockchip_sound_jack.jack, SND_JACK_BTN_3, KEY_VOICECOMMAND); + + snd_soc_component_set_jack(component, &rockchip_sound_jack, NULL); + + return 0; +} + +static int rockchip_sound_dmic_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + unsigned int mclk; + int ret; + + mclk = params_rate(params) * SOUND_FS; + + ret = snd_soc_dai_set_sysclk(asoc_rtd_to_cpu(rtd, 0), 0, mclk, 0); + if (ret) { + dev_err(rtd->card->dev, "%s() error setting sysclk to %u: %d\n", + __func__, mclk, ret); + return ret; + } + + /* Wait for DMIC stable */ + msleep(dmic_wakeup_delay); + + return 0; +} + +static int rockchip_sound_startup(struct snd_pcm_substream *substream) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + + runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE; + return snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_RATE, + 8000, 96000); +} + +static const struct snd_soc_ops rockchip_sound_max98357a_ops = { + .startup = rockchip_sound_startup, + .hw_params = rockchip_sound_max98357a_hw_params, +}; + +static const struct snd_soc_ops rockchip_sound_rt5514_ops = { + .startup = rockchip_sound_startup, + .hw_params = rockchip_sound_rt5514_hw_params, +}; + +static const struct snd_soc_ops rockchip_sound_da7219_ops = { + .startup = rockchip_sound_startup, + .hw_params = rockchip_sound_da7219_hw_params, +}; + +static const struct snd_soc_ops rockchip_sound_dmic_ops = { + .startup = rockchip_sound_startup, + .hw_params = rockchip_sound_dmic_hw_params, +}; + +static struct snd_soc_card rockchip_sound_card = { + .name = "rk3399-gru-sound", + .owner = THIS_MODULE, + .dapm_widgets = rockchip_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(rockchip_dapm_widgets), + .controls = rockchip_controls, + .num_controls = ARRAY_SIZE(rockchip_controls), +}; + +enum { + DAILINK_CDNDP, + DAILINK_DA7219, + DAILINK_DMIC, + DAILINK_MAX98357A, + DAILINK_RT5514, + DAILINK_RT5514_DSP, +}; + +SND_SOC_DAILINK_DEFS(cdndp, + DAILINK_COMP_ARRAY(COMP_EMPTY()), + DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "spdif-hifi")), + DAILINK_COMP_ARRAY(COMP_EMPTY())); + +SND_SOC_DAILINK_DEFS(da7219, + DAILINK_COMP_ARRAY(COMP_EMPTY()), + DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "da7219-hifi")), + DAILINK_COMP_ARRAY(COMP_EMPTY())); + +SND_SOC_DAILINK_DEFS(dmic, + DAILINK_COMP_ARRAY(COMP_EMPTY()), + DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "dmic-hifi")), + DAILINK_COMP_ARRAY(COMP_EMPTY())); + +SND_SOC_DAILINK_DEFS(max98357a, + DAILINK_COMP_ARRAY(COMP_EMPTY()), + DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "HiFi")), + DAILINK_COMP_ARRAY(COMP_EMPTY())); + +SND_SOC_DAILINK_DEFS(rt5514, + DAILINK_COMP_ARRAY(COMP_EMPTY()), + DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5514-aif1")), + DAILINK_COMP_ARRAY(COMP_EMPTY())); + +SND_SOC_DAILINK_DEFS(rt5514_dsp, + DAILINK_COMP_ARRAY(COMP_EMPTY()), + DAILINK_COMP_ARRAY(COMP_DUMMY()), + DAILINK_COMP_ARRAY(COMP_EMPTY())); + +static const struct snd_soc_dai_link rockchip_dais[] = { + [DAILINK_CDNDP] = { + .name = "DP", + .stream_name = "DP PCM", + .init = rockchip_sound_cdndp_init, + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS, + SND_SOC_DAILINK_REG(cdndp), + }, + [DAILINK_DA7219] = { + .name = "DA7219", + .stream_name = "DA7219 PCM", + .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, + SND_SOC_DAILINK_REG(da7219), + }, + [DAILINK_DMIC] = { + .name = "DMIC", + .stream_name = "DMIC PCM", + .ops = &rockchip_sound_dmic_ops, + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS, + SND_SOC_DAILINK_REG(dmic), + }, + [DAILINK_MAX98357A] = { + .name = "MAX98357A", + .stream_name = "MAX98357A PCM", + .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, + SND_SOC_DAILINK_REG(max98357a), + }, + [DAILINK_RT5514] = { + .name = "RT5514", + .stream_name = "RT5514 PCM", + .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, + SND_SOC_DAILINK_REG(rt5514), + }, + /* RT5514 DSP for voice wakeup via spi bus */ + [DAILINK_RT5514_DSP] = { + .name = "RT5514 DSP", + .stream_name = "Wake on Voice", + SND_SOC_DAILINK_REG(rt5514_dsp), + }, +}; + +static const struct snd_soc_dapm_route rockchip_sound_cdndp_routes[] = { + /* Output */ + {"HDMI", NULL, "TX"}, +}; + +static const struct snd_soc_dapm_route rockchip_sound_da7219_routes[] = { + /* Output */ + {"Headphones", NULL, "HPL"}, + {"Headphones", NULL, "HPR"}, + + /* Input */ + {"MIC", NULL, "Headset Mic"}, +}; + +static const struct snd_soc_dapm_route rockchip_sound_dmic_routes[] = { + /* Input */ + {"DMic", NULL, "Int Mic"}, +}; + +static const struct snd_soc_dapm_route rockchip_sound_max98357a_routes[] = { + /* Output */ + {"Speakers", NULL, "Speaker"}, +}; + +static const struct snd_soc_dapm_route rockchip_sound_rt5514_routes[] = { + /* Input */ + {"DMIC1L", NULL, "Int Mic"}, + {"DMIC1R", NULL, "Int Mic"}, +}; + +struct rockchip_sound_route { + const struct snd_soc_dapm_route *routes; + int num_routes; +}; + +static const struct rockchip_sound_route rockchip_routes[] = { + [DAILINK_CDNDP] = { + .routes = rockchip_sound_cdndp_routes, + .num_routes = ARRAY_SIZE(rockchip_sound_cdndp_routes), + }, + [DAILINK_DA7219] = { + .routes = rockchip_sound_da7219_routes, + .num_routes = ARRAY_SIZE(rockchip_sound_da7219_routes), + }, + [DAILINK_DMIC] = { + .routes = rockchip_sound_dmic_routes, + .num_routes = ARRAY_SIZE(rockchip_sound_dmic_routes), + }, + [DAILINK_MAX98357A] = { + .routes = rockchip_sound_max98357a_routes, + .num_routes = ARRAY_SIZE(rockchip_sound_max98357a_routes), + }, + [DAILINK_RT5514] = { + .routes = rockchip_sound_rt5514_routes, + .num_routes = ARRAY_SIZE(rockchip_sound_rt5514_routes), + }, + [DAILINK_RT5514_DSP] = {}, +}; + +struct dailink_match_data { + const char *compatible; + struct bus_type *bus_type; +}; + +static const struct dailink_match_data dailink_match[] = { + [DAILINK_CDNDP] = { + .compatible = "rockchip,rk3399-cdn-dp", + }, + [DAILINK_DA7219] = { + .compatible = "dlg,da7219", + }, + [DAILINK_DMIC] = { + .compatible = "dmic-codec", + }, + [DAILINK_MAX98357A] = { + .compatible = "maxim,max98357a", + }, + [DAILINK_RT5514] = { + .compatible = "realtek,rt5514", + .bus_type = &i2c_bus_type, + }, + [DAILINK_RT5514_DSP] = { + .compatible = "realtek,rt5514", + .bus_type = &spi_bus_type, + }, +}; + +static int rockchip_sound_codec_node_match(struct device_node *np_codec) +{ + struct device *dev; + int i; + + for (i = 0; i < ARRAY_SIZE(dailink_match); i++) { + if (!of_device_is_compatible(np_codec, + dailink_match[i].compatible)) + continue; + + if (dailink_match[i].bus_type) { + dev = bus_find_device_by_of_node(dailink_match[i].bus_type, + np_codec); + if (!dev) + continue; + put_device(dev); + } + + return i; + } + return -1; +} + +static int rockchip_sound_of_parse_dais(struct device *dev, + struct snd_soc_card *card) +{ + struct device_node *np_cpu, *np_cpu0, *np_cpu1; + struct device_node *np_codec; + struct snd_soc_dai_link *dai; + struct snd_soc_dapm_route *routes; + int i, index; + int num_routes; + + card->dai_link = devm_kzalloc(dev, sizeof(rockchip_dais), + GFP_KERNEL); + if (!card->dai_link) + return -ENOMEM; + + num_routes = 0; + for (i = 0; i < ARRAY_SIZE(rockchip_routes); i++) + num_routes += rockchip_routes[i].num_routes; + routes = devm_kcalloc(dev, num_routes, sizeof(*routes), + GFP_KERNEL); + if (!routes) + return -ENOMEM; + card->dapm_routes = routes; + + np_cpu0 = of_parse_phandle(dev->of_node, "rockchip,cpu", 0); + np_cpu1 = of_parse_phandle(dev->of_node, "rockchip,cpu", 1); + + card->num_dapm_routes = 0; + card->num_links = 0; + for (i = 0; i < ARRAY_SIZE(rockchip_dais); i++) { + np_codec = of_parse_phandle(dev->of_node, + "rockchip,codec", i); + if (!np_codec) + break; + + if (!of_device_is_available(np_codec)) + continue; + + index = rockchip_sound_codec_node_match(np_codec); + if (index < 0) + continue; + + switch (index) { + case DAILINK_CDNDP: + np_cpu = np_cpu1; + break; + case DAILINK_RT5514_DSP: + np_cpu = np_codec; + break; + default: + np_cpu = np_cpu0; + break; + } + + if (!np_cpu) { + dev_err(dev, "Missing 'rockchip,cpu' for %s\n", + rockchip_dais[index].name); + return -EINVAL; + } + + dai = &card->dai_link[card->num_links++]; + *dai = rockchip_dais[index]; + + if (!dai->codecs->name) + dai->codecs->of_node = np_codec; + dai->platforms->of_node = np_cpu; + dai->cpus->of_node = np_cpu; + + if (card->num_dapm_routes + rockchip_routes[index].num_routes > + num_routes) { + dev_err(dev, "Too many routes\n"); + return -EINVAL; + } + + memcpy(routes + card->num_dapm_routes, + rockchip_routes[index].routes, + rockchip_routes[index].num_routes * sizeof(*routes)); + card->num_dapm_routes += rockchip_routes[index].num_routes; + } + + return 0; +} + +static int rockchip_sound_probe(struct platform_device *pdev) +{ + struct snd_soc_card *card = &rockchip_sound_card; + int ret; + + ret = rockchip_sound_of_parse_dais(&pdev->dev, card); + if (ret < 0) { + dev_err(&pdev->dev, "Failed to parse dais: %d\n", ret); + return ret; + } + + /* Set DMIC wakeup delay */ + ret = device_property_read_u32(&pdev->dev, "dmic-wakeup-delay-ms", + &dmic_wakeup_delay); + if (ret) { + dmic_wakeup_delay = 0; + dev_dbg(&pdev->dev, + "no optional property 'dmic-wakeup-delay-ms' found, default: no delay\n"); + } + + card->dev = &pdev->dev; + return devm_snd_soc_register_card(&pdev->dev, card); +} + +static const struct of_device_id rockchip_sound_of_match[] = { + { .compatible = "rockchip,rk3399-gru-sound", }, + {}, +}; + +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); |