From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- sound/soc/rockchip/Kconfig | 92 ++ sound/soc/rockchip/Makefile | 21 + sound/soc/rockchip/rk3288_hdmi_analog.c | 280 +++++ sound/soc/rockchip/rk3399_gru_sound.c | 629 +++++++++++ sound/soc/rockchip/rockchip_i2s.c | 885 +++++++++++++++ sound/soc/rockchip/rockchip_i2s.h | 248 +++++ sound/soc/rockchip/rockchip_i2s_tdm.c | 1780 +++++++++++++++++++++++++++++++ sound/soc/rockchip/rockchip_i2s_tdm.h | 398 +++++++ sound/soc/rockchip/rockchip_max98090.c | 471 ++++++++ sound/soc/rockchip/rockchip_pdm.c | 723 +++++++++++++ sound/soc/rockchip/rockchip_pdm.h | 92 ++ sound/soc/rockchip/rockchip_rt5645.c | 251 +++++ sound/soc/rockchip/rockchip_spdif.c | 396 +++++++ sound/soc/rockchip/rockchip_spdif.h | 60 ++ 14 files changed, 6326 insertions(+) create mode 100644 sound/soc/rockchip/Kconfig create mode 100644 sound/soc/rockchip/Makefile create mode 100644 sound/soc/rockchip/rk3288_hdmi_analog.c create mode 100644 sound/soc/rockchip/rk3399_gru_sound.c create mode 100644 sound/soc/rockchip/rockchip_i2s.c create mode 100644 sound/soc/rockchip/rockchip_i2s.h create mode 100644 sound/soc/rockchip/rockchip_i2s_tdm.c create mode 100644 sound/soc/rockchip/rockchip_i2s_tdm.h create mode 100644 sound/soc/rockchip/rockchip_max98090.c create mode 100644 sound/soc/rockchip/rockchip_pdm.c create mode 100644 sound/soc/rockchip/rockchip_pdm.h create mode 100644 sound/soc/rockchip/rockchip_rt5645.c create mode 100644 sound/soc/rockchip/rockchip_spdif.c create mode 100644 sound/soc/rockchip/rockchip_spdif.h (limited to 'sound/soc/rockchip') diff --git a/sound/soc/rockchip/Kconfig b/sound/soc/rockchip/Kconfig new file mode 100644 index 0000000000..f98a2fa85e --- /dev/null +++ b/sound/soc/rockchip/Kconfig @@ -0,0 +1,92 @@ +# SPDX-License-Identifier: GPL-2.0-only +config SND_SOC_ROCKCHIP + tristate "ASoC support for Rockchip" + depends on COMPILE_TEST || ARCH_ROCKCHIP + help + Say Y or M if you want to add support for codecs attached to + the Rockchip SoCs' Audio interfaces. You will also need to + select the audio interfaces to support below. + +config SND_SOC_ROCKCHIP_I2S + tristate "Rockchip I2S Device Driver" + depends on HAVE_CLK && SND_SOC_ROCKCHIP + select SND_SOC_GENERIC_DMAENGINE_PCM + help + Say Y or M if you want to add support for I2S driver for + Rockchip I2S device. The device supports up to maximum of + 8 channels each for play and record. + +config SND_SOC_ROCKCHIP_I2S_TDM + tristate "Rockchip I2S/TDM Device Driver" + depends on HAVE_CLK && SND_SOC_ROCKCHIP + select SND_SOC_GENERIC_DMAENGINE_PCM + help + Say Y or M if you want to add support for the I2S/TDM driver for + Rockchip I2S/TDM devices, found in Rockchip SoCs. These devices + interface between the AHB bus and the I2S bus, and support up to a + maximum of 8 channels each for playback and recording. + + +config SND_SOC_ROCKCHIP_PDM + tristate "Rockchip PDM Controller Driver" + depends on HAVE_CLK && SND_SOC_ROCKCHIP + select SND_SOC_GENERIC_DMAENGINE_PCM + select RATIONAL + help + Say Y or M if you want to add support for PDM driver for + Rockchip PDM Controller. The Controller supports up to maximum of + 8 channels record. + +config SND_SOC_ROCKCHIP_SPDIF + tristate "Rockchip SPDIF Device Driver" + depends on HAVE_CLK && SND_SOC_ROCKCHIP + select SND_SOC_GENERIC_DMAENGINE_PCM + help + Say Y or M if you want to add support for SPDIF driver for + Rockchip SPDIF transceiver device. + +config SND_SOC_ROCKCHIP_MAX98090 + tristate "ASoC support for Rockchip boards using a MAX98090 codec" + depends on SND_SOC_ROCKCHIP && I2C && GPIOLIB && HAVE_CLK + select SND_SOC_ROCKCHIP_I2S + select SND_SOC_MAX98090 + select SND_SOC_TS3A227E + select SND_SOC_HDMI_CODEC + help + Say Y or M here if you want to add support for SoC audio on Rockchip + boards using the MAX98090 codec and HDMI codec, such as Veyron. + +config SND_SOC_ROCKCHIP_RT5645 + tristate "ASoC support for Rockchip boards using a RT5645/RT5650 codec" + depends on SND_SOC_ROCKCHIP && I2C && GPIOLIB && HAVE_CLK + select SND_SOC_ROCKCHIP_I2S + select SND_SOC_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_RK3288_HDMI_ANALOG + tristate "ASoC support multiple codecs for Rockchip RK3288 boards" + depends on SND_SOC_ROCKCHIP && I2C && GPIOLIB && HAVE_CLK + select SND_SOC_ROCKCHIP_I2S + select SND_SOC_HDMI_CODEC + select SND_SOC_ES8328_I2C + select SND_SOC_ES8328_SPI if SPI_MASTER + select DRM_DW_HDMI_I2S_AUDIO if DRM_DW_HDMI + help + Say Y or M here if you want to add support for SoC audio on Rockchip + RK3288 boards using an analog output and the built-in HDMI audio. + +config SND_SOC_RK3399_GRU_SOUND + tristate "ASoC support multiple codecs for Rockchip RK3399 GRU boards" + depends on SND_SOC_ROCKCHIP && I2C && GPIOLIB && HAVE_CLK && SPI + select SND_SOC_ROCKCHIP_I2S + select SND_SOC_MAX98357A + select SND_SOC_RT5514 + select SND_SOC_DA7219 + select SND_SOC_RT5514_SPI + select SND_SOC_HDMI_CODEC + select SND_SOC_DMIC + help + Say Y or M here if you want to add support multiple codecs for SoC + audio on Rockchip RK3399 GRU boards. diff --git a/sound/soc/rockchip/Makefile b/sound/soc/rockchip/Makefile new file mode 100644 index 0000000000..30c57c0d76 --- /dev/null +++ b/sound/soc/rockchip/Makefile @@ -0,0 +1,21 @@ +# SPDX-License-Identifier: GPL-2.0 +# ROCKCHIP Platform Support +snd-soc-rockchip-i2s-objs := rockchip_i2s.o +snd-soc-rockchip-i2s-tdm-objs := rockchip_i2s_tdm.o +snd-soc-rockchip-pdm-objs := rockchip_pdm.o +snd-soc-rockchip-spdif-objs := rockchip_spdif.o + +obj-$(CONFIG_SND_SOC_ROCKCHIP_I2S) += snd-soc-rockchip-i2s.o +obj-$(CONFIG_SND_SOC_ROCKCHIP_PDM) += snd-soc-rockchip-pdm.o +obj-$(CONFIG_SND_SOC_ROCKCHIP_SPDIF) += snd-soc-rockchip-spdif.o +obj-$(CONFIG_SND_SOC_ROCKCHIP_I2S_TDM) += snd-soc-rockchip-i2s-tdm.o + +snd-soc-rockchip-max98090-objs := rockchip_max98090.o +snd-soc-rockchip-rt5645-objs := rockchip_rt5645.o +snd-soc-rk3288-hdmi-analog-objs := rk3288_hdmi_analog.o +snd-soc-rk3399-gru-sound-objs := rk3399_gru_sound.o + +obj-$(CONFIG_SND_SOC_ROCKCHIP_MAX98090) += snd-soc-rockchip-max98090.o +obj-$(CONFIG_SND_SOC_ROCKCHIP_RT5645) += snd-soc-rockchip-rt5645.o +obj-$(CONFIG_SND_SOC_RK3288_HDMI_ANALOG) += snd-soc-rk3288-hdmi-analog.o +obj-$(CONFIG_SND_SOC_RK3399_GRU_SOUND) += snd-soc-rk3399-gru-sound.o diff --git a/sound/soc/rockchip/rk3288_hdmi_analog.c b/sound/soc/rockchip/rk3288_hdmi_analog.c new file mode 100644 index 0000000000..0c6bd9a019 --- /dev/null +++ b/sound/soc/rockchip/rk3288_hdmi_analog.c @@ -0,0 +1,280 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Rockchip machine ASoC driver for RK3288 boards that have an HDMI and analog + * audio output + * + * Copyright (c) 2016, Collabora Ltd. + * + * Authors: Sjoerd Simons , + * Romain Perier + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "rockchip_i2s.h" + +#define DRV_NAME "rk3288-snd-hdmi-analog" + +struct rk_drvdata { + int gpio_hp_en; + int gpio_hp_det; +}; + +static int rk_hp_power(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *k, int event) +{ + struct rk_drvdata *machine = snd_soc_card_get_drvdata(w->dapm->card); + + if (!gpio_is_valid(machine->gpio_hp_en)) + return 0; + + gpio_set_value_cansleep(machine->gpio_hp_en, + SND_SOC_DAPM_EVENT_ON(event)); + + return 0; +} + +static struct snd_soc_jack headphone_jack; +static struct snd_soc_jack_pin headphone_jack_pins[] = { + { + .pin = "Analog", + .mask = SND_JACK_HEADPHONE + }, +}; + +static const struct snd_soc_dapm_widget rk_dapm_widgets[] = { + SND_SOC_DAPM_HP("Analog", rk_hp_power), + SND_SOC_DAPM_LINE("HDMI", NULL), +}; + +static const struct snd_kcontrol_new rk_mc_controls[] = { + SOC_DAPM_PIN_SWITCH("Analog"), + SOC_DAPM_PIN_SWITCH("HDMI"), +}; + +static int rk_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + int ret = 0; + 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; + + switch (params_rate(params)) { + case 8000: + case 16000: + case 24000: + case 32000: + case 48000: + case 64000: + case 96000: + mclk = 12288000; + break; + case 192000: + mclk = 24576000; + 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 && ret != -ENOTSUPP) { + dev_err(codec_dai->dev, "Can't set cpu clock %d\n", ret); + return ret; + } + + ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk, + SND_SOC_CLOCK_IN); + if (ret && ret != -ENOTSUPP) { + dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret); + return ret; + } + + return 0; +} + +static struct snd_soc_jack_gpio rk_hp_jack_gpio = { + .name = "Headphone detection", + .report = SND_JACK_HEADPHONE, + .debounce_time = 150 +}; + +static int rk_init(struct snd_soc_pcm_runtime *runtime) +{ + struct rk_drvdata *machine = snd_soc_card_get_drvdata(runtime->card); + + /* Enable Headset Jack detection */ + if (gpio_is_valid(machine->gpio_hp_det)) { + snd_soc_card_jack_new_pins(runtime->card, "Headphone Jack", + SND_JACK_HEADPHONE, &headphone_jack, + headphone_jack_pins, + ARRAY_SIZE(headphone_jack_pins)); + rk_hp_jack_gpio.gpio = machine->gpio_hp_det; + snd_soc_jack_add_gpios(&headphone_jack, 1, &rk_hp_jack_gpio); + } + + return 0; +} + +static const struct snd_soc_ops rk_ops = { + .hw_params = rk_hw_params, +}; + +SND_SOC_DAILINK_DEFS(audio, + DAILINK_COMP_ARRAY(COMP_EMPTY()), + DAILINK_COMP_ARRAY(COMP_CODEC(NULL, NULL), + COMP_CODEC("hdmi-audio-codec.2.auto", "i2s-hifi")), + DAILINK_COMP_ARRAY(COMP_EMPTY())); + +static struct snd_soc_dai_link rk_dailink = { + .name = "Codecs", + .stream_name = "Audio", + .init = rk_init, + .ops = &rk_ops, + /* Set codecs as slave */ + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS, + SND_SOC_DAILINK_REG(audio), +}; + +static struct snd_soc_card snd_soc_card_rk = { + .name = "ROCKCHIP-I2S", + .dai_link = &rk_dailink, + .num_links = 1, + .num_aux_devs = 0, + .dapm_widgets = rk_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(rk_dapm_widgets), + .controls = rk_mc_controls, + .num_controls = ARRAY_SIZE(rk_mc_controls), +}; + +static int snd_rk_mc_probe(struct platform_device *pdev) +{ + int ret; + struct snd_soc_card *card = &snd_soc_card_rk; + struct device_node *np = pdev->dev.of_node; + struct rk_drvdata *machine; + struct of_phandle_args args; + + machine = devm_kzalloc(&pdev->dev, sizeof(struct rk_drvdata), + GFP_KERNEL); + if (!machine) + return -ENOMEM; + + card->dev = &pdev->dev; + + machine->gpio_hp_det = of_get_named_gpio(np, + "rockchip,hp-det-gpios", 0); + if (!gpio_is_valid(machine->gpio_hp_det) && machine->gpio_hp_det != -ENODEV) + return machine->gpio_hp_det; + + machine->gpio_hp_en = of_get_named_gpio(np, + "rockchip,hp-en-gpios", 0); + if (!gpio_is_valid(machine->gpio_hp_en) && machine->gpio_hp_en != -ENODEV) + return machine->gpio_hp_en; + + if (gpio_is_valid(machine->gpio_hp_en)) { + ret = devm_gpio_request_one(&pdev->dev, machine->gpio_hp_en, + GPIOF_OUT_INIT_LOW, "hp_en"); + if (ret) { + dev_err(card->dev, "cannot get hp_en gpio\n"); + return ret; + } + } + + ret = snd_soc_of_parse_card_name(card, "rockchip,model"); + if (ret) { + dev_err(card->dev, "SoC parse card name failed %d\n", ret); + return ret; + } + + rk_dailink.codecs[0].of_node = of_parse_phandle(np, + "rockchip,audio-codec", + 0); + if (!rk_dailink.codecs[0].of_node) { + dev_err(&pdev->dev, + "Property 'rockchip,audio-codec' missing or invalid\n"); + return -EINVAL; + } + ret = of_parse_phandle_with_fixed_args(np, "rockchip,audio-codec", + 0, 0, &args); + if (ret) { + dev_err(&pdev->dev, + "Unable to parse property 'rockchip,audio-codec'\n"); + return ret; + } + + ret = snd_soc_get_dai_name(&args, &rk_dailink.codecs[0].dai_name); + if (ret) { + dev_err(&pdev->dev, "Unable to get codec_dai_name\n"); + return ret; + } + + rk_dailink.cpus->of_node = of_parse_phandle(np, "rockchip,i2s-controller", + 0); + if (!rk_dailink.cpus->of_node) { + dev_err(&pdev->dev, + "Property 'rockchip,i2s-controller' missing or invalid\n"); + return -EINVAL; + } + + rk_dailink.platforms->of_node = rk_dailink.cpus->of_node; + + ret = snd_soc_of_parse_audio_routing(card, "rockchip,routing"); + if (ret) { + dev_err(&pdev->dev, + "Unable to parse 'rockchip,routing' property\n"); + return ret; + } + + snd_soc_card_set_drvdata(card, machine); + + ret = devm_snd_soc_register_card(&pdev->dev, card); + if (ret) + return dev_err_probe(&pdev->dev, ret, + "Soc register card failed\n"); + + return 0; +} + +static const struct of_device_id rockchip_sound_of_match[] = { + { .compatible = "rockchip,rk3288-hdmi-analog", }, + {}, +}; + +MODULE_DEVICE_TABLE(of, rockchip_sound_of_match); + +static struct platform_driver rockchip_sound_driver = { + .probe = snd_rk_mc_probe, + .driver = { + .name = DRV_NAME, + .pm = &snd_soc_pm_ops, + .of_match_table = rockchip_sound_of_match, + }, +}; + +module_platform_driver(rockchip_sound_driver); + +MODULE_AUTHOR("Sjoerd Simons "); +MODULE_DESCRIPTION("Rockchip RK3288 machine ASoC driver"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:" DRV_NAME); diff --git a/sound/soc/rockchip/rk3399_gru_sound.c b/sound/soc/rockchip/rk3399_gru_sound.c new file mode 100644 index 0000000000..0f704d22d2 --- /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 +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#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 "); +MODULE_DESCRIPTION("Rockchip ASoC Machine Driver"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:" DRV_NAME); +MODULE_DEVICE_TABLE(of, rockchip_sound_of_match); diff --git a/sound/soc/rockchip/rockchip_i2s.c b/sound/soc/rockchip/rockchip_i2s.c new file mode 100644 index 0000000000..834fbb5cf8 --- /dev/null +++ b/sound/soc/rockchip/rockchip_i2s.c @@ -0,0 +1,885 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* sound/soc/rockchip/rockchip_i2s.c + * + * ALSA SoC Audio Layer - Rockchip I2S Controller driver + * + * Copyright (c) 2014 Rockchip Electronics Co. Ltd. + * Author: Jianqun + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "rockchip_i2s.h" + +#define DRV_NAME "rockchip-i2s" + +struct rk_i2s_pins { + u32 reg_offset; + u32 shift; +}; + +struct rk_i2s_dev { + struct device *dev; + + struct clk *hclk; + struct clk *mclk; + + struct snd_dmaengine_dai_dma_data capture_dma_data; + struct snd_dmaengine_dai_dma_data playback_dma_data; + + struct regmap *regmap; + struct regmap *grf; + + bool has_capture; + bool has_playback; + +/* + * Used to indicate the tx/rx status. + * I2S controller hopes to start the tx and rx together, + * also to stop them when they are both try to stop. +*/ + bool tx_start; + bool rx_start; + bool is_master_mode; + const struct rk_i2s_pins *pins; + unsigned int bclk_ratio; + spinlock_t lock; /* tx/rx lock */ + struct pinctrl *pinctrl; + struct pinctrl_state *bclk_on; + struct pinctrl_state *bclk_off; +}; + +static int i2s_pinctrl_select_bclk_on(struct rk_i2s_dev *i2s) +{ + int ret = 0; + + if (!IS_ERR(i2s->pinctrl) && !IS_ERR_OR_NULL(i2s->bclk_on)) + ret = pinctrl_select_state(i2s->pinctrl, i2s->bclk_on); + + if (ret) + dev_err(i2s->dev, "bclk enable failed %d\n", ret); + + return ret; +} + +static int i2s_pinctrl_select_bclk_off(struct rk_i2s_dev *i2s) +{ + + int ret = 0; + + if (!IS_ERR(i2s->pinctrl) && !IS_ERR_OR_NULL(i2s->bclk_off)) + ret = pinctrl_select_state(i2s->pinctrl, i2s->bclk_off); + + if (ret) + dev_err(i2s->dev, "bclk disable failed %d\n", ret); + + return ret; +} + +static int i2s_runtime_suspend(struct device *dev) +{ + struct rk_i2s_dev *i2s = dev_get_drvdata(dev); + + regcache_cache_only(i2s->regmap, true); + clk_disable_unprepare(i2s->mclk); + + return 0; +} + +static int i2s_runtime_resume(struct device *dev) +{ + struct rk_i2s_dev *i2s = dev_get_drvdata(dev); + int ret; + + ret = clk_prepare_enable(i2s->mclk); + if (ret) { + dev_err(i2s->dev, "clock enable failed %d\n", ret); + return ret; + } + + regcache_cache_only(i2s->regmap, false); + regcache_mark_dirty(i2s->regmap); + + ret = regcache_sync(i2s->regmap); + if (ret) + clk_disable_unprepare(i2s->mclk); + + return ret; +} + +static inline struct rk_i2s_dev *to_info(struct snd_soc_dai *dai) +{ + return snd_soc_dai_get_drvdata(dai); +} + +static int rockchip_snd_txctrl(struct rk_i2s_dev *i2s, int on) +{ + unsigned int val = 0; + int ret = 0; + + spin_lock(&i2s->lock); + if (on) { + ret = regmap_update_bits(i2s->regmap, I2S_DMACR, + I2S_DMACR_TDE_ENABLE, + I2S_DMACR_TDE_ENABLE); + if (ret < 0) + goto end; + ret = regmap_update_bits(i2s->regmap, I2S_XFER, + I2S_XFER_TXS_START | I2S_XFER_RXS_START, + I2S_XFER_TXS_START | I2S_XFER_RXS_START); + if (ret < 0) + goto end; + i2s->tx_start = true; + } else { + i2s->tx_start = false; + + ret = regmap_update_bits(i2s->regmap, I2S_DMACR, + I2S_DMACR_TDE_ENABLE, + I2S_DMACR_TDE_DISABLE); + if (ret < 0) + goto end; + + if (!i2s->rx_start) { + ret = regmap_update_bits(i2s->regmap, I2S_XFER, + I2S_XFER_TXS_START | I2S_XFER_RXS_START, + I2S_XFER_TXS_STOP | I2S_XFER_RXS_STOP); + if (ret < 0) + goto end; + udelay(150); + ret = regmap_update_bits(i2s->regmap, I2S_CLR, + I2S_CLR_TXC | I2S_CLR_RXC, + I2S_CLR_TXC | I2S_CLR_RXC); + if (ret < 0) + goto end; + ret = regmap_read_poll_timeout_atomic(i2s->regmap, + I2S_CLR, + val, + val == 0, + 20, + 200); + if (ret < 0) + dev_warn(i2s->dev, "fail to clear: %d\n", ret); + } + } +end: + spin_unlock(&i2s->lock); + if (ret < 0) + dev_err(i2s->dev, "lrclk update failed\n"); + + return ret; +} + +static int rockchip_snd_rxctrl(struct rk_i2s_dev *i2s, int on) +{ + unsigned int val = 0; + int ret = 0; + + spin_lock(&i2s->lock); + if (on) { + ret = regmap_update_bits(i2s->regmap, I2S_DMACR, + I2S_DMACR_RDE_ENABLE, + I2S_DMACR_RDE_ENABLE); + if (ret < 0) + goto end; + + ret = regmap_update_bits(i2s->regmap, I2S_XFER, + I2S_XFER_TXS_START | I2S_XFER_RXS_START, + I2S_XFER_TXS_START | I2S_XFER_RXS_START); + if (ret < 0) + goto end; + i2s->rx_start = true; + } else { + i2s->rx_start = false; + + ret = regmap_update_bits(i2s->regmap, I2S_DMACR, + I2S_DMACR_RDE_ENABLE, + I2S_DMACR_RDE_DISABLE); + if (ret < 0) + goto end; + + if (!i2s->tx_start) { + ret = regmap_update_bits(i2s->regmap, I2S_XFER, + I2S_XFER_TXS_START | I2S_XFER_RXS_START, + I2S_XFER_TXS_STOP | I2S_XFER_RXS_STOP); + if (ret < 0) + goto end; + udelay(150); + ret = regmap_update_bits(i2s->regmap, I2S_CLR, + I2S_CLR_TXC | I2S_CLR_RXC, + I2S_CLR_TXC | I2S_CLR_RXC); + if (ret < 0) + goto end; + ret = regmap_read_poll_timeout_atomic(i2s->regmap, + I2S_CLR, + val, + val == 0, + 20, + 200); + if (ret < 0) + dev_warn(i2s->dev, "fail to clear: %d\n", ret); + } + } +end: + spin_unlock(&i2s->lock); + if (ret < 0) + dev_err(i2s->dev, "lrclk update failed\n"); + + return ret; +} + +static int rockchip_i2s_set_fmt(struct snd_soc_dai *cpu_dai, + unsigned int fmt) +{ + struct rk_i2s_dev *i2s = to_info(cpu_dai); + unsigned int mask = 0, val = 0; + int ret = 0; + + pm_runtime_get_sync(cpu_dai->dev); + mask = I2S_CKR_MSS_MASK; + switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) { + case SND_SOC_DAIFMT_BP_FP: + /* Set source clock in Master mode */ + val = I2S_CKR_MSS_MASTER; + i2s->is_master_mode = true; + break; + case SND_SOC_DAIFMT_BC_FC: + val = I2S_CKR_MSS_SLAVE; + i2s->is_master_mode = false; + break; + default: + ret = -EINVAL; + goto err_pm_put; + } + + regmap_update_bits(i2s->regmap, I2S_CKR, mask, val); + + mask = I2S_CKR_CKP_MASK | I2S_CKR_TLP_MASK | I2S_CKR_RLP_MASK; + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + val = I2S_CKR_CKP_NORMAL | + I2S_CKR_TLP_NORMAL | + I2S_CKR_RLP_NORMAL; + break; + case SND_SOC_DAIFMT_NB_IF: + val = I2S_CKR_CKP_NORMAL | + I2S_CKR_TLP_INVERTED | + I2S_CKR_RLP_INVERTED; + break; + case SND_SOC_DAIFMT_IB_NF: + val = I2S_CKR_CKP_INVERTED | + I2S_CKR_TLP_NORMAL | + I2S_CKR_RLP_NORMAL; + break; + case SND_SOC_DAIFMT_IB_IF: + val = I2S_CKR_CKP_INVERTED | + I2S_CKR_TLP_INVERTED | + I2S_CKR_RLP_INVERTED; + break; + default: + ret = -EINVAL; + goto err_pm_put; + } + + regmap_update_bits(i2s->regmap, I2S_CKR, mask, val); + + mask = I2S_TXCR_IBM_MASK | I2S_TXCR_TFS_MASK | I2S_TXCR_PBM_MASK; + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_RIGHT_J: + val = I2S_TXCR_IBM_RSJM; + break; + case SND_SOC_DAIFMT_LEFT_J: + val = I2S_TXCR_IBM_LSJM; + break; + case SND_SOC_DAIFMT_I2S: + val = I2S_TXCR_IBM_NORMAL; + break; + case SND_SOC_DAIFMT_DSP_A: /* PCM delay 1 bit mode */ + val = I2S_TXCR_TFS_PCM | I2S_TXCR_PBM_MODE(1); + break; + case SND_SOC_DAIFMT_DSP_B: /* PCM no delay mode */ + val = I2S_TXCR_TFS_PCM; + break; + default: + ret = -EINVAL; + goto err_pm_put; + } + + regmap_update_bits(i2s->regmap, I2S_TXCR, mask, val); + + mask = I2S_RXCR_IBM_MASK | I2S_RXCR_TFS_MASK | I2S_RXCR_PBM_MASK; + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_RIGHT_J: + val = I2S_RXCR_IBM_RSJM; + break; + case SND_SOC_DAIFMT_LEFT_J: + val = I2S_RXCR_IBM_LSJM; + break; + case SND_SOC_DAIFMT_I2S: + val = I2S_RXCR_IBM_NORMAL; + break; + case SND_SOC_DAIFMT_DSP_A: /* PCM delay 1 bit mode */ + val = I2S_RXCR_TFS_PCM | I2S_RXCR_PBM_MODE(1); + break; + case SND_SOC_DAIFMT_DSP_B: /* PCM no delay mode */ + val = I2S_RXCR_TFS_PCM; + break; + default: + ret = -EINVAL; + goto err_pm_put; + } + + regmap_update_bits(i2s->regmap, I2S_RXCR, mask, val); + +err_pm_put: + pm_runtime_put(cpu_dai->dev); + + return ret; +} + +static int rockchip_i2s_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct rk_i2s_dev *i2s = to_info(dai); + struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + unsigned int val = 0; + unsigned int mclk_rate, bclk_rate, div_bclk, div_lrck; + + if (i2s->is_master_mode) { + mclk_rate = clk_get_rate(i2s->mclk); + bclk_rate = i2s->bclk_ratio * params_rate(params); + if (!bclk_rate) + return -EINVAL; + + div_bclk = DIV_ROUND_CLOSEST(mclk_rate, bclk_rate); + div_lrck = bclk_rate / params_rate(params); + regmap_update_bits(i2s->regmap, I2S_CKR, + I2S_CKR_MDIV_MASK, + I2S_CKR_MDIV(div_bclk)); + + regmap_update_bits(i2s->regmap, I2S_CKR, + I2S_CKR_TSD_MASK | + I2S_CKR_RSD_MASK, + I2S_CKR_TSD(div_lrck) | + I2S_CKR_RSD(div_lrck)); + } + + switch (params_format(params)) { + case SNDRV_PCM_FORMAT_S8: + val |= I2S_TXCR_VDW(8); + break; + case SNDRV_PCM_FORMAT_S16_LE: + val |= I2S_TXCR_VDW(16); + break; + case SNDRV_PCM_FORMAT_S20_3LE: + val |= I2S_TXCR_VDW(20); + break; + case SNDRV_PCM_FORMAT_S24_LE: + val |= I2S_TXCR_VDW(24); + break; + case SNDRV_PCM_FORMAT_S32_LE: + val |= I2S_TXCR_VDW(32); + break; + default: + return -EINVAL; + } + + switch (params_channels(params)) { + case 8: + val |= I2S_CHN_8; + break; + case 6: + val |= I2S_CHN_6; + break; + case 4: + val |= I2S_CHN_4; + break; + case 2: + val |= I2S_CHN_2; + break; + default: + dev_err(i2s->dev, "invalid channel: %d\n", + params_channels(params)); + return -EINVAL; + } + + if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) + regmap_update_bits(i2s->regmap, I2S_RXCR, + I2S_RXCR_VDW_MASK | I2S_RXCR_CSR_MASK, + val); + else + regmap_update_bits(i2s->regmap, I2S_TXCR, + I2S_TXCR_VDW_MASK | I2S_TXCR_CSR_MASK, + val); + + if (!IS_ERR(i2s->grf) && i2s->pins) { + regmap_read(i2s->regmap, I2S_TXCR, &val); + val &= I2S_TXCR_CSR_MASK; + + switch (val) { + case I2S_CHN_4: + val = I2S_IO_4CH_OUT_6CH_IN; + break; + case I2S_CHN_6: + val = I2S_IO_6CH_OUT_4CH_IN; + break; + case I2S_CHN_8: + val = I2S_IO_8CH_OUT_2CH_IN; + break; + default: + val = I2S_IO_2CH_OUT_8CH_IN; + break; + } + + val <<= i2s->pins->shift; + val |= (I2S_IO_DIRECTION_MASK << i2s->pins->shift) << 16; + regmap_write(i2s->grf, i2s->pins->reg_offset, val); + } + + regmap_update_bits(i2s->regmap, I2S_DMACR, I2S_DMACR_TDL_MASK, + I2S_DMACR_TDL(16)); + regmap_update_bits(i2s->regmap, I2S_DMACR, I2S_DMACR_RDL_MASK, + I2S_DMACR_RDL(16)); + + val = I2S_CKR_TRCM_TXRX; + if (dai->driver->symmetric_rate && rtd->dai_link->symmetric_rate) + val = I2S_CKR_TRCM_TXONLY; + + regmap_update_bits(i2s->regmap, I2S_CKR, + I2S_CKR_TRCM_MASK, + val); + return 0; +} + +static int rockchip_i2s_trigger(struct snd_pcm_substream *substream, + int cmd, struct snd_soc_dai *dai) +{ + struct rk_i2s_dev *i2s = to_info(dai); + int ret = 0; + + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_RESUME: + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) + ret = rockchip_snd_rxctrl(i2s, 1); + else + ret = rockchip_snd_txctrl(i2s, 1); + if (ret < 0) + return ret; + i2s_pinctrl_select_bclk_on(i2s); + break; + case SNDRV_PCM_TRIGGER_SUSPEND: + case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) { + if (!i2s->tx_start) + i2s_pinctrl_select_bclk_off(i2s); + ret = rockchip_snd_rxctrl(i2s, 0); + } else { + if (!i2s->rx_start) + i2s_pinctrl_select_bclk_off(i2s); + ret = rockchip_snd_txctrl(i2s, 0); + } + break; + default: + ret = -EINVAL; + break; + } + + return ret; +} + +static int rockchip_i2s_set_bclk_ratio(struct snd_soc_dai *dai, + unsigned int ratio) +{ + struct rk_i2s_dev *i2s = to_info(dai); + + i2s->bclk_ratio = ratio; + + return 0; +} + +static int rockchip_i2s_set_sysclk(struct snd_soc_dai *cpu_dai, int clk_id, + unsigned int freq, int dir) +{ + struct rk_i2s_dev *i2s = to_info(cpu_dai); + int ret; + + if (freq == 0) + return 0; + + ret = clk_set_rate(i2s->mclk, freq); + if (ret) + dev_err(i2s->dev, "Fail to set mclk %d\n", ret); + + return ret; +} + +static int rockchip_i2s_dai_probe(struct snd_soc_dai *dai) +{ + struct rk_i2s_dev *i2s = snd_soc_dai_get_drvdata(dai); + + snd_soc_dai_init_dma_data(dai, + i2s->has_playback ? &i2s->playback_dma_data : NULL, + i2s->has_capture ? &i2s->capture_dma_data : NULL); + + return 0; +} + +static const struct snd_soc_dai_ops rockchip_i2s_dai_ops = { + .probe = rockchip_i2s_dai_probe, + .hw_params = rockchip_i2s_hw_params, + .set_bclk_ratio = rockchip_i2s_set_bclk_ratio, + .set_sysclk = rockchip_i2s_set_sysclk, + .set_fmt = rockchip_i2s_set_fmt, + .trigger = rockchip_i2s_trigger, +}; + +static struct snd_soc_dai_driver rockchip_i2s_dai = { + .ops = &rockchip_i2s_dai_ops, + .symmetric_rate = 1, +}; + +static const struct snd_soc_component_driver rockchip_i2s_component = { + .name = DRV_NAME, + .legacy_dai_naming = 1, +}; + +static bool rockchip_i2s_wr_reg(struct device *dev, unsigned int reg) +{ + switch (reg) { + case I2S_TXCR: + case I2S_RXCR: + case I2S_CKR: + case I2S_DMACR: + case I2S_INTCR: + case I2S_XFER: + case I2S_CLR: + case I2S_TXDR: + return true; + default: + return false; + } +} + +static bool rockchip_i2s_rd_reg(struct device *dev, unsigned int reg) +{ + switch (reg) { + case I2S_TXCR: + case I2S_RXCR: + case I2S_CKR: + case I2S_DMACR: + case I2S_INTCR: + case I2S_XFER: + case I2S_CLR: + case I2S_TXDR: + case I2S_RXDR: + case I2S_FIFOLR: + case I2S_INTSR: + return true; + default: + return false; + } +} + +static bool rockchip_i2s_volatile_reg(struct device *dev, unsigned int reg) +{ + switch (reg) { + case I2S_INTSR: + case I2S_CLR: + case I2S_FIFOLR: + case I2S_TXDR: + case I2S_RXDR: + return true; + default: + return false; + } +} + +static bool rockchip_i2s_precious_reg(struct device *dev, unsigned int reg) +{ + switch (reg) { + case I2S_RXDR: + return true; + default: + return false; + } +} + +static const struct reg_default rockchip_i2s_reg_defaults[] = { + {0x00, 0x0000000f}, + {0x04, 0x0000000f}, + {0x08, 0x00071f1f}, + {0x10, 0x001f0000}, + {0x14, 0x01f00000}, +}; + +static const struct regmap_config rockchip_i2s_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + .max_register = I2S_RXDR, + .reg_defaults = rockchip_i2s_reg_defaults, + .num_reg_defaults = ARRAY_SIZE(rockchip_i2s_reg_defaults), + .writeable_reg = rockchip_i2s_wr_reg, + .readable_reg = rockchip_i2s_rd_reg, + .volatile_reg = rockchip_i2s_volatile_reg, + .precious_reg = rockchip_i2s_precious_reg, + .cache_type = REGCACHE_FLAT, +}; + +static const struct rk_i2s_pins rk3399_i2s_pins = { + .reg_offset = 0xe220, + .shift = 11, +}; + +static const struct of_device_id rockchip_i2s_match[] __maybe_unused = { + { .compatible = "rockchip,px30-i2s", }, + { .compatible = "rockchip,rk1808-i2s", }, + { .compatible = "rockchip,rk3036-i2s", }, + { .compatible = "rockchip,rk3066-i2s", }, + { .compatible = "rockchip,rk3128-i2s", }, + { .compatible = "rockchip,rk3188-i2s", }, + { .compatible = "rockchip,rk3228-i2s", }, + { .compatible = "rockchip,rk3288-i2s", }, + { .compatible = "rockchip,rk3308-i2s", }, + { .compatible = "rockchip,rk3328-i2s", }, + { .compatible = "rockchip,rk3366-i2s", }, + { .compatible = "rockchip,rk3368-i2s", }, + { .compatible = "rockchip,rk3399-i2s", .data = &rk3399_i2s_pins }, + { .compatible = "rockchip,rk3588-i2s", }, + { .compatible = "rockchip,rv1126-i2s", }, + {}, +}; + +static int rockchip_i2s_init_dai(struct rk_i2s_dev *i2s, struct resource *res, + struct snd_soc_dai_driver **dp) +{ + struct device_node *node = i2s->dev->of_node; + struct snd_soc_dai_driver *dai; + struct property *dma_names; + const char *dma_name; + unsigned int val; + + of_property_for_each_string(node, "dma-names", dma_names, dma_name) { + if (!strcmp(dma_name, "tx")) + i2s->has_playback = true; + if (!strcmp(dma_name, "rx")) + i2s->has_capture = true; + } + + dai = devm_kmemdup(i2s->dev, &rockchip_i2s_dai, + sizeof(*dai), GFP_KERNEL); + if (!dai) + return -ENOMEM; + + if (i2s->has_playback) { + dai->playback.stream_name = "Playback"; + dai->playback.channels_min = 2; + dai->playback.channels_max = 8; + dai->playback.rates = SNDRV_PCM_RATE_8000_192000; + dai->playback.formats = SNDRV_PCM_FMTBIT_S8 | + SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_S20_3LE | + SNDRV_PCM_FMTBIT_S24_LE | + SNDRV_PCM_FMTBIT_S32_LE; + + i2s->playback_dma_data.addr = res->start + I2S_TXDR; + i2s->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; + i2s->playback_dma_data.maxburst = 8; + + if (!of_property_read_u32(node, "rockchip,playback-channels", &val)) { + if (val >= 2 && val <= 8) + dai->playback.channels_max = val; + } + } + + if (i2s->has_capture) { + dai->capture.stream_name = "Capture"; + dai->capture.channels_min = 2; + dai->capture.channels_max = 8; + dai->capture.rates = SNDRV_PCM_RATE_8000_192000; + dai->capture.formats = SNDRV_PCM_FMTBIT_S8 | + SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_S20_3LE | + SNDRV_PCM_FMTBIT_S24_LE | + SNDRV_PCM_FMTBIT_S32_LE; + + i2s->capture_dma_data.addr = res->start + I2S_RXDR; + i2s->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; + i2s->capture_dma_data.maxburst = 8; + + if (!of_property_read_u32(node, "rockchip,capture-channels", &val)) { + if (val >= 2 && val <= 8) + dai->capture.channels_max = val; + } + } + + if (dp) + *dp = dai; + + return 0; +} + +static int rockchip_i2s_probe(struct platform_device *pdev) +{ + struct device_node *node = pdev->dev.of_node; + const struct of_device_id *of_id; + struct rk_i2s_dev *i2s; + struct snd_soc_dai_driver *dai; + struct resource *res; + void __iomem *regs; + int ret; + + i2s = devm_kzalloc(&pdev->dev, sizeof(*i2s), GFP_KERNEL); + if (!i2s) + return -ENOMEM; + + spin_lock_init(&i2s->lock); + i2s->dev = &pdev->dev; + + i2s->grf = syscon_regmap_lookup_by_phandle(node, "rockchip,grf"); + if (!IS_ERR(i2s->grf)) { + of_id = of_match_device(rockchip_i2s_match, &pdev->dev); + if (!of_id || !of_id->data) + return -EINVAL; + + i2s->pins = of_id->data; + } + + /* try to prepare related clocks */ + i2s->hclk = devm_clk_get(&pdev->dev, "i2s_hclk"); + if (IS_ERR(i2s->hclk)) { + dev_err(&pdev->dev, "Can't retrieve i2s bus clock\n"); + return PTR_ERR(i2s->hclk); + } + ret = clk_prepare_enable(i2s->hclk); + if (ret) { + dev_err(i2s->dev, "hclock enable failed %d\n", ret); + return ret; + } + + i2s->mclk = devm_clk_get(&pdev->dev, "i2s_clk"); + if (IS_ERR(i2s->mclk)) { + dev_err(&pdev->dev, "Can't retrieve i2s master clock\n"); + ret = PTR_ERR(i2s->mclk); + goto err_clk; + } + + regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res); + if (IS_ERR(regs)) { + ret = PTR_ERR(regs); + goto err_clk; + } + + i2s->regmap = devm_regmap_init_mmio(&pdev->dev, regs, + &rockchip_i2s_regmap_config); + if (IS_ERR(i2s->regmap)) { + dev_err(&pdev->dev, + "Failed to initialise managed register map\n"); + ret = PTR_ERR(i2s->regmap); + goto err_clk; + } + + i2s->bclk_ratio = 64; + i2s->pinctrl = devm_pinctrl_get(&pdev->dev); + if (!IS_ERR(i2s->pinctrl)) { + i2s->bclk_on = pinctrl_lookup_state(i2s->pinctrl, "bclk_on"); + if (!IS_ERR_OR_NULL(i2s->bclk_on)) { + i2s->bclk_off = pinctrl_lookup_state(i2s->pinctrl, "bclk_off"); + if (IS_ERR_OR_NULL(i2s->bclk_off)) { + dev_err(&pdev->dev, "failed to find i2s bclk_off\n"); + ret = -EINVAL; + goto err_clk; + } + } + } else { + dev_dbg(&pdev->dev, "failed to find i2s pinctrl\n"); + } + + i2s_pinctrl_select_bclk_off(i2s); + + dev_set_drvdata(&pdev->dev, i2s); + + pm_runtime_enable(&pdev->dev); + if (!pm_runtime_enabled(&pdev->dev)) { + ret = i2s_runtime_resume(&pdev->dev); + if (ret) + goto err_pm_disable; + } + + ret = rockchip_i2s_init_dai(i2s, res, &dai); + if (ret) + goto err_pm_disable; + + ret = devm_snd_soc_register_component(&pdev->dev, + &rockchip_i2s_component, + dai, 1); + + if (ret) { + dev_err(&pdev->dev, "Could not register DAI\n"); + goto err_suspend; + } + + ret = devm_snd_dmaengine_pcm_register(&pdev->dev, NULL, 0); + if (ret) { + dev_err(&pdev->dev, "Could not register PCM\n"); + goto err_suspend; + } + + return 0; + +err_suspend: + if (!pm_runtime_status_suspended(&pdev->dev)) + i2s_runtime_suspend(&pdev->dev); +err_pm_disable: + pm_runtime_disable(&pdev->dev); +err_clk: + clk_disable_unprepare(i2s->hclk); + return ret; +} + +static void rockchip_i2s_remove(struct platform_device *pdev) +{ + struct rk_i2s_dev *i2s = dev_get_drvdata(&pdev->dev); + + pm_runtime_disable(&pdev->dev); + if (!pm_runtime_status_suspended(&pdev->dev)) + i2s_runtime_suspend(&pdev->dev); + + clk_disable_unprepare(i2s->hclk); +} + +static const struct dev_pm_ops rockchip_i2s_pm_ops = { + SET_RUNTIME_PM_OPS(i2s_runtime_suspend, i2s_runtime_resume, + NULL) +}; + +static struct platform_driver rockchip_i2s_driver = { + .probe = rockchip_i2s_probe, + .remove_new = rockchip_i2s_remove, + .driver = { + .name = DRV_NAME, + .of_match_table = of_match_ptr(rockchip_i2s_match), + .pm = &rockchip_i2s_pm_ops, + }, +}; +module_platform_driver(rockchip_i2s_driver); + +MODULE_DESCRIPTION("ROCKCHIP IIS ASoC Interface"); +MODULE_AUTHOR("jianqun "); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:" DRV_NAME); +MODULE_DEVICE_TABLE(of, rockchip_i2s_match); diff --git a/sound/soc/rockchip/rockchip_i2s.h b/sound/soc/rockchip/rockchip_i2s.h new file mode 100644 index 0000000000..251851bf4f --- /dev/null +++ b/sound/soc/rockchip/rockchip_i2s.h @@ -0,0 +1,248 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * sound/soc/rockchip/rockchip_i2s.h + * + * ALSA SoC Audio Layer - Rockchip I2S Controller driver + * + * Copyright (c) 2014 Rockchip Electronics Co. Ltd. + * Author: Jianqun xu + */ + +#ifndef _ROCKCHIP_IIS_H +#define _ROCKCHIP_IIS_H + +/* + * TXCR + * transmit operation control register +*/ +#define I2S_TXCR_RCNT_SHIFT 17 +#define I2S_TXCR_RCNT_MASK (0x3f << I2S_TXCR_RCNT_SHIFT) +#define I2S_TXCR_CSR_SHIFT 15 +#define I2S_TXCR_CSR(x) (x << I2S_TXCR_CSR_SHIFT) +#define I2S_TXCR_CSR_MASK (3 << I2S_TXCR_CSR_SHIFT) +#define I2S_TXCR_HWT BIT(14) +#define I2S_TXCR_SJM_SHIFT 12 +#define I2S_TXCR_SJM_R (0 << I2S_TXCR_SJM_SHIFT) +#define I2S_TXCR_SJM_L (1 << I2S_TXCR_SJM_SHIFT) +#define I2S_TXCR_FBM_SHIFT 11 +#define I2S_TXCR_FBM_MSB (0 << I2S_TXCR_FBM_SHIFT) +#define I2S_TXCR_FBM_LSB (1 << I2S_TXCR_FBM_SHIFT) +#define I2S_TXCR_IBM_SHIFT 9 +#define I2S_TXCR_IBM_NORMAL (0 << I2S_TXCR_IBM_SHIFT) +#define I2S_TXCR_IBM_LSJM (1 << I2S_TXCR_IBM_SHIFT) +#define I2S_TXCR_IBM_RSJM (2 << I2S_TXCR_IBM_SHIFT) +#define I2S_TXCR_IBM_MASK (3 << I2S_TXCR_IBM_SHIFT) +#define I2S_TXCR_PBM_SHIFT 7 +#define I2S_TXCR_PBM_MODE(x) (x << I2S_TXCR_PBM_SHIFT) +#define I2S_TXCR_PBM_MASK (3 << I2S_TXCR_PBM_SHIFT) +#define I2S_TXCR_TFS_SHIFT 5 +#define I2S_TXCR_TFS_I2S (0 << I2S_TXCR_TFS_SHIFT) +#define I2S_TXCR_TFS_PCM (1 << I2S_TXCR_TFS_SHIFT) +#define I2S_TXCR_TFS_MASK (1 << I2S_TXCR_TFS_SHIFT) +#define I2S_TXCR_VDW_SHIFT 0 +#define I2S_TXCR_VDW(x) ((x - 1) << I2S_TXCR_VDW_SHIFT) +#define I2S_TXCR_VDW_MASK (0x1f << I2S_TXCR_VDW_SHIFT) + +/* + * RXCR + * receive operation control register +*/ +#define I2S_RXCR_CSR_SHIFT 15 +#define I2S_RXCR_CSR(x) (x << I2S_RXCR_CSR_SHIFT) +#define I2S_RXCR_CSR_MASK (3 << I2S_RXCR_CSR_SHIFT) +#define I2S_RXCR_HWT BIT(14) +#define I2S_RXCR_SJM_SHIFT 12 +#define I2S_RXCR_SJM_R (0 << I2S_RXCR_SJM_SHIFT) +#define I2S_RXCR_SJM_L (1 << I2S_RXCR_SJM_SHIFT) +#define I2S_RXCR_FBM_SHIFT 11 +#define I2S_RXCR_FBM_MSB (0 << I2S_RXCR_FBM_SHIFT) +#define I2S_RXCR_FBM_LSB (1 << I2S_RXCR_FBM_SHIFT) +#define I2S_RXCR_IBM_SHIFT 9 +#define I2S_RXCR_IBM_NORMAL (0 << I2S_RXCR_IBM_SHIFT) +#define I2S_RXCR_IBM_LSJM (1 << I2S_RXCR_IBM_SHIFT) +#define I2S_RXCR_IBM_RSJM (2 << I2S_RXCR_IBM_SHIFT) +#define I2S_RXCR_IBM_MASK (3 << I2S_RXCR_IBM_SHIFT) +#define I2S_RXCR_PBM_SHIFT 7 +#define I2S_RXCR_PBM_MODE(x) (x << I2S_RXCR_PBM_SHIFT) +#define I2S_RXCR_PBM_MASK (3 << I2S_RXCR_PBM_SHIFT) +#define I2S_RXCR_TFS_SHIFT 5 +#define I2S_RXCR_TFS_I2S (0 << I2S_RXCR_TFS_SHIFT) +#define I2S_RXCR_TFS_PCM (1 << I2S_RXCR_TFS_SHIFT) +#define I2S_RXCR_TFS_MASK (1 << I2S_RXCR_TFS_SHIFT) +#define I2S_RXCR_VDW_SHIFT 0 +#define I2S_RXCR_VDW(x) ((x - 1) << I2S_RXCR_VDW_SHIFT) +#define I2S_RXCR_VDW_MASK (0x1f << I2S_RXCR_VDW_SHIFT) + +/* + * CKR + * clock generation register +*/ +#define I2S_CKR_TRCM_SHIFT 28 +#define I2S_CKR_TRCM(x) (x << I2S_CKR_TRCM_SHIFT) +#define I2S_CKR_TRCM_TXRX (0 << I2S_CKR_TRCM_SHIFT) +#define I2S_CKR_TRCM_TXONLY (1 << I2S_CKR_TRCM_SHIFT) +#define I2S_CKR_TRCM_RXONLY (2 << I2S_CKR_TRCM_SHIFT) +#define I2S_CKR_TRCM_MASK (3 << I2S_CKR_TRCM_SHIFT) +#define I2S_CKR_MSS_SHIFT 27 +#define I2S_CKR_MSS_MASTER (0 << I2S_CKR_MSS_SHIFT) +#define I2S_CKR_MSS_SLAVE (1 << I2S_CKR_MSS_SHIFT) +#define I2S_CKR_MSS_MASK (1 << I2S_CKR_MSS_SHIFT) +#define I2S_CKR_CKP_SHIFT 26 +#define I2S_CKR_CKP_NORMAL (0 << I2S_CKR_CKP_SHIFT) +#define I2S_CKR_CKP_INVERTED (1 << I2S_CKR_CKP_SHIFT) +#define I2S_CKR_CKP_MASK (1 << I2S_CKR_CKP_SHIFT) +#define I2S_CKR_RLP_SHIFT 25 +#define I2S_CKR_RLP_NORMAL (0 << I2S_CKR_RLP_SHIFT) +#define I2S_CKR_RLP_INVERTED (1 << I2S_CKR_RLP_SHIFT) +#define I2S_CKR_RLP_MASK (1 << I2S_CKR_RLP_SHIFT) +#define I2S_CKR_TLP_SHIFT 24 +#define I2S_CKR_TLP_NORMAL (0 << I2S_CKR_TLP_SHIFT) +#define I2S_CKR_TLP_INVERTED (1 << I2S_CKR_TLP_SHIFT) +#define I2S_CKR_TLP_MASK (1 << I2S_CKR_TLP_SHIFT) +#define I2S_CKR_MDIV_SHIFT 16 +#define I2S_CKR_MDIV(x) ((x - 1) << I2S_CKR_MDIV_SHIFT) +#define I2S_CKR_MDIV_MASK (0xff << I2S_CKR_MDIV_SHIFT) +#define I2S_CKR_RSD_SHIFT 8 +#define I2S_CKR_RSD(x) ((x - 1) << I2S_CKR_RSD_SHIFT) +#define I2S_CKR_RSD_MASK (0xff << I2S_CKR_RSD_SHIFT) +#define I2S_CKR_TSD_SHIFT 0 +#define I2S_CKR_TSD(x) ((x - 1) << I2S_CKR_TSD_SHIFT) +#define I2S_CKR_TSD_MASK (0xff << I2S_CKR_TSD_SHIFT) + +/* + * FIFOLR + * FIFO level register +*/ +#define I2S_FIFOLR_RFL_SHIFT 24 +#define I2S_FIFOLR_RFL_MASK (0x3f << I2S_FIFOLR_RFL_SHIFT) +#define I2S_FIFOLR_TFL3_SHIFT 18 +#define I2S_FIFOLR_TFL3_MASK (0x3f << I2S_FIFOLR_TFL3_SHIFT) +#define I2S_FIFOLR_TFL2_SHIFT 12 +#define I2S_FIFOLR_TFL2_MASK (0x3f << I2S_FIFOLR_TFL2_SHIFT) +#define I2S_FIFOLR_TFL1_SHIFT 6 +#define I2S_FIFOLR_TFL1_MASK (0x3f << I2S_FIFOLR_TFL1_SHIFT) +#define I2S_FIFOLR_TFL0_SHIFT 0 +#define I2S_FIFOLR_TFL0_MASK (0x3f << I2S_FIFOLR_TFL0_SHIFT) + +/* + * DMACR + * DMA control register +*/ +#define I2S_DMACR_RDE_SHIFT 24 +#define I2S_DMACR_RDE_DISABLE (0 << I2S_DMACR_RDE_SHIFT) +#define I2S_DMACR_RDE_ENABLE (1 << I2S_DMACR_RDE_SHIFT) +#define I2S_DMACR_RDL_SHIFT 16 +#define I2S_DMACR_RDL(x) ((x - 1) << I2S_DMACR_RDL_SHIFT) +#define I2S_DMACR_RDL_MASK (0x1f << I2S_DMACR_RDL_SHIFT) +#define I2S_DMACR_TDE_SHIFT 8 +#define I2S_DMACR_TDE_DISABLE (0 << I2S_DMACR_TDE_SHIFT) +#define I2S_DMACR_TDE_ENABLE (1 << I2S_DMACR_TDE_SHIFT) +#define I2S_DMACR_TDL_SHIFT 0 +#define I2S_DMACR_TDL(x) ((x) << I2S_DMACR_TDL_SHIFT) +#define I2S_DMACR_TDL_MASK (0x1f << I2S_DMACR_TDL_SHIFT) + +/* + * INTCR + * interrupt control register +*/ +#define I2S_INTCR_RFT_SHIFT 20 +#define I2S_INTCR_RFT(x) ((x - 1) << I2S_INTCR_RFT_SHIFT) +#define I2S_INTCR_RXOIC BIT(18) +#define I2S_INTCR_RXOIE_SHIFT 17 +#define I2S_INTCR_RXOIE_DISABLE (0 << I2S_INTCR_RXOIE_SHIFT) +#define I2S_INTCR_RXOIE_ENABLE (1 << I2S_INTCR_RXOIE_SHIFT) +#define I2S_INTCR_RXFIE_SHIFT 16 +#define I2S_INTCR_RXFIE_DISABLE (0 << I2S_INTCR_RXFIE_SHIFT) +#define I2S_INTCR_RXFIE_ENABLE (1 << I2S_INTCR_RXFIE_SHIFT) +#define I2S_INTCR_TFT_SHIFT 4 +#define I2S_INTCR_TFT(x) ((x - 1) << I2S_INTCR_TFT_SHIFT) +#define I2S_INTCR_TFT_MASK (0x1f << I2S_INTCR_TFT_SHIFT) +#define I2S_INTCR_TXUIC BIT(2) +#define I2S_INTCR_TXUIE_SHIFT 1 +#define I2S_INTCR_TXUIE_DISABLE (0 << I2S_INTCR_TXUIE_SHIFT) +#define I2S_INTCR_TXUIE_ENABLE (1 << I2S_INTCR_TXUIE_SHIFT) + +/* + * INTSR + * interrupt status register +*/ +#define I2S_INTSR_TXEIE_SHIFT 0 +#define I2S_INTSR_TXEIE_DISABLE (0 << I2S_INTSR_TXEIE_SHIFT) +#define I2S_INTSR_TXEIE_ENABLE (1 << I2S_INTSR_TXEIE_SHIFT) +#define I2S_INTSR_RXOI_SHIFT 17 +#define I2S_INTSR_RXOI_INA (0 << I2S_INTSR_RXOI_SHIFT) +#define I2S_INTSR_RXOI_ACT (1 << I2S_INTSR_RXOI_SHIFT) +#define I2S_INTSR_RXFI_SHIFT 16 +#define I2S_INTSR_RXFI_INA (0 << I2S_INTSR_RXFI_SHIFT) +#define I2S_INTSR_RXFI_ACT (1 << I2S_INTSR_RXFI_SHIFT) +#define I2S_INTSR_TXUI_SHIFT 1 +#define I2S_INTSR_TXUI_INA (0 << I2S_INTSR_TXUI_SHIFT) +#define I2S_INTSR_TXUI_ACT (1 << I2S_INTSR_TXUI_SHIFT) +#define I2S_INTSR_TXEI_SHIFT 0 +#define I2S_INTSR_TXEI_INA (0 << I2S_INTSR_TXEI_SHIFT) +#define I2S_INTSR_TXEI_ACT (1 << I2S_INTSR_TXEI_SHIFT) + +/* + * XFER + * Transfer start register +*/ +#define I2S_XFER_RXS_SHIFT 1 +#define I2S_XFER_RXS_STOP (0 << I2S_XFER_RXS_SHIFT) +#define I2S_XFER_RXS_START (1 << I2S_XFER_RXS_SHIFT) +#define I2S_XFER_TXS_SHIFT 0 +#define I2S_XFER_TXS_STOP (0 << I2S_XFER_TXS_SHIFT) +#define I2S_XFER_TXS_START (1 << I2S_XFER_TXS_SHIFT) + +/* + * CLR + * clear SCLK domain logic register +*/ +#define I2S_CLR_RXC BIT(1) +#define I2S_CLR_TXC BIT(0) + +/* + * TXDR + * Transimt FIFO data register, write only. +*/ +#define I2S_TXDR_MASK (0xff) + +/* + * RXDR + * Receive FIFO data register, write only. +*/ +#define I2S_RXDR_MASK (0xff) + +/* Clock divider id */ +enum { + ROCKCHIP_DIV_MCLK = 0, + ROCKCHIP_DIV_BCLK, +}; + +/* channel select */ +#define I2S_CSR_SHIFT 15 +#define I2S_CHN_2 (0 << I2S_CSR_SHIFT) +#define I2S_CHN_4 (1 << I2S_CSR_SHIFT) +#define I2S_CHN_6 (2 << I2S_CSR_SHIFT) +#define I2S_CHN_8 (3 << I2S_CSR_SHIFT) + +/* I2S REGS */ +#define I2S_TXCR (0x0000) +#define I2S_RXCR (0x0004) +#define I2S_CKR (0x0008) +#define I2S_FIFOLR (0x000c) +#define I2S_DMACR (0x0010) +#define I2S_INTCR (0x0014) +#define I2S_INTSR (0x0018) +#define I2S_XFER (0x001c) +#define I2S_CLR (0x0020) +#define I2S_TXDR (0x0024) +#define I2S_RXDR (0x0028) + +/* io direction cfg register */ +#define I2S_IO_DIRECTION_MASK (7) +#define I2S_IO_8CH_OUT_2CH_IN (0) +#define I2S_IO_6CH_OUT_4CH_IN (4) +#define I2S_IO_4CH_OUT_6CH_IN (6) +#define I2S_IO_2CH_OUT_8CH_IN (7) + +#endif /* _ROCKCHIP_IIS_H */ diff --git a/sound/soc/rockchip/rockchip_i2s_tdm.c b/sound/soc/rockchip/rockchip_i2s_tdm.c new file mode 100644 index 0000000000..d3700f3c98 --- /dev/null +++ b/sound/soc/rockchip/rockchip_i2s_tdm.c @@ -0,0 +1,1780 @@ +// SPDX-License-Identifier: GPL-2.0-only +// ALSA SoC Audio Layer - Rockchip I2S/TDM Controller driver + +// Copyright (c) 2018 Rockchip Electronics Co. Ltd. +// Author: Sugar Zhang +// Author: Nicolas Frattaroli + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "rockchip_i2s_tdm.h" + +#define DRV_NAME "rockchip-i2s-tdm" + +#define DEFAULT_MCLK_FS 256 +#define CH_GRP_MAX 4 /* The max channel 8 / 2 */ +#define MULTIPLEX_CH_MAX 10 +#define CLK_PPM_MIN -1000 +#define CLK_PPM_MAX 1000 + +#define TRCM_TXRX 0 +#define TRCM_TX 1 +#define TRCM_RX 2 + +struct txrx_config { + u32 addr; + u32 reg; + u32 txonly; + u32 rxonly; +}; + +struct rk_i2s_soc_data { + u32 softrst_offset; + u32 grf_reg_offset; + u32 grf_shift; + int config_count; + const struct txrx_config *configs; + int (*init)(struct device *dev, u32 addr); +}; + +struct rk_i2s_tdm_dev { + struct device *dev; + struct clk *hclk; + struct clk *mclk_tx; + struct clk *mclk_rx; + /* The mclk_tx_src is parent of mclk_tx */ + struct clk *mclk_tx_src; + /* The mclk_rx_src is parent of mclk_rx */ + struct clk *mclk_rx_src; + /* + * The mclk_root0 and mclk_root1 are root parent and supplies for + * the different FS. + * + * e.g: + * mclk_root0 is VPLL0, used for FS=48000Hz + * mclk_root1 is VPLL1, used for FS=44100Hz + */ + struct clk *mclk_root0; + struct clk *mclk_root1; + struct regmap *regmap; + struct regmap *grf; + struct snd_dmaengine_dai_dma_data capture_dma_data; + struct snd_dmaengine_dai_dma_data playback_dma_data; + struct reset_control *tx_reset; + struct reset_control *rx_reset; + struct rk_i2s_soc_data *soc_data; + bool is_master_mode; + bool io_multiplex; + bool mclk_calibrate; + bool tdm_mode; + unsigned int mclk_rx_freq; + unsigned int mclk_tx_freq; + unsigned int mclk_root0_freq; + unsigned int mclk_root1_freq; + unsigned int mclk_root0_initial_freq; + unsigned int mclk_root1_initial_freq; + unsigned int frame_width; + unsigned int clk_trcm; + unsigned int i2s_sdis[CH_GRP_MAX]; + unsigned int i2s_sdos[CH_GRP_MAX]; + int clk_ppm; + int refcount; + spinlock_t lock; /* xfer lock */ + bool has_playback; + bool has_capture; + struct snd_soc_dai_driver *dai; +}; + +static int to_ch_num(unsigned int val) +{ + switch (val) { + case I2S_CHN_4: + return 4; + case I2S_CHN_6: + return 6; + case I2S_CHN_8: + return 8; + default: + return 2; + } +} + +static void i2s_tdm_disable_unprepare_mclk(struct rk_i2s_tdm_dev *i2s_tdm) +{ + clk_disable_unprepare(i2s_tdm->mclk_tx); + clk_disable_unprepare(i2s_tdm->mclk_rx); + if (i2s_tdm->mclk_calibrate) { + clk_disable_unprepare(i2s_tdm->mclk_tx_src); + clk_disable_unprepare(i2s_tdm->mclk_rx_src); + clk_disable_unprepare(i2s_tdm->mclk_root0); + clk_disable_unprepare(i2s_tdm->mclk_root1); + } +} + +/** + * i2s_tdm_prepare_enable_mclk - prepare to enable all mclks, disable them on + * failure. + * @i2s_tdm: rk_i2s_tdm_dev struct + * + * This function attempts to enable all mclk clocks, but cleans up after + * itself on failure. Guarantees to balance its calls. + * + * Returns success (0) or negative errno. + */ +static int i2s_tdm_prepare_enable_mclk(struct rk_i2s_tdm_dev *i2s_tdm) +{ + int ret = 0; + + ret = clk_prepare_enable(i2s_tdm->mclk_tx); + if (ret) + goto err_mclk_tx; + ret = clk_prepare_enable(i2s_tdm->mclk_rx); + if (ret) + goto err_mclk_rx; + if (i2s_tdm->mclk_calibrate) { + ret = clk_prepare_enable(i2s_tdm->mclk_tx_src); + if (ret) + goto err_mclk_rx; + ret = clk_prepare_enable(i2s_tdm->mclk_rx_src); + if (ret) + goto err_mclk_rx_src; + ret = clk_prepare_enable(i2s_tdm->mclk_root0); + if (ret) + goto err_mclk_root0; + ret = clk_prepare_enable(i2s_tdm->mclk_root1); + if (ret) + goto err_mclk_root1; + } + + return 0; + +err_mclk_root1: + clk_disable_unprepare(i2s_tdm->mclk_root0); +err_mclk_root0: + clk_disable_unprepare(i2s_tdm->mclk_rx_src); +err_mclk_rx_src: + clk_disable_unprepare(i2s_tdm->mclk_tx_src); +err_mclk_rx: + clk_disable_unprepare(i2s_tdm->mclk_tx); +err_mclk_tx: + return ret; +} + +static int __maybe_unused i2s_tdm_runtime_suspend(struct device *dev) +{ + struct rk_i2s_tdm_dev *i2s_tdm = dev_get_drvdata(dev); + + regcache_cache_only(i2s_tdm->regmap, true); + i2s_tdm_disable_unprepare_mclk(i2s_tdm); + + clk_disable_unprepare(i2s_tdm->hclk); + + return 0; +} + +static int __maybe_unused i2s_tdm_runtime_resume(struct device *dev) +{ + struct rk_i2s_tdm_dev *i2s_tdm = dev_get_drvdata(dev); + int ret; + + ret = clk_prepare_enable(i2s_tdm->hclk); + if (ret) + goto err_hclk; + + ret = i2s_tdm_prepare_enable_mclk(i2s_tdm); + if (ret) + goto err_mclk; + + regcache_cache_only(i2s_tdm->regmap, false); + regcache_mark_dirty(i2s_tdm->regmap); + + ret = regcache_sync(i2s_tdm->regmap); + if (ret) + goto err_regcache; + + return 0; + +err_regcache: + i2s_tdm_disable_unprepare_mclk(i2s_tdm); +err_mclk: + clk_disable_unprepare(i2s_tdm->hclk); +err_hclk: + return ret; +} + +static inline struct rk_i2s_tdm_dev *to_info(struct snd_soc_dai *dai) +{ + return snd_soc_dai_get_drvdata(dai); +} + +/* + * Makes sure that both tx and rx are reset at the same time to sync lrck + * when clk_trcm > 0. + */ +static void rockchip_snd_xfer_sync_reset(struct rk_i2s_tdm_dev *i2s_tdm) +{ + /* This is technically race-y. + * + * In an ideal world, we could atomically assert both resets at the + * same time, through an atomic bulk reset API. This API however does + * not exist, so what the downstream vendor code used to do was + * implement half a reset controller here and require the CRU to be + * passed to the driver as a device tree node. Violating abstractions + * like that is bad, especially when it influences something like the + * bindings which are supposed to describe the hardware, not whatever + * workarounds the driver needs, so it was dropped. + * + * In practice, asserting the resets one by one appears to work just + * fine for playback. During duplex (playback + capture) operation, + * this might become an issue, but that should be solved by the + * implementation of the aforementioned API, not by shoving a reset + * controller into an audio driver. + */ + + reset_control_assert(i2s_tdm->tx_reset); + reset_control_assert(i2s_tdm->rx_reset); + udelay(10); + reset_control_deassert(i2s_tdm->tx_reset); + reset_control_deassert(i2s_tdm->rx_reset); + udelay(10); +} + +static void rockchip_snd_reset(struct reset_control *rc) +{ + reset_control_assert(rc); + udelay(10); + reset_control_deassert(rc); + udelay(10); +} + +static void rockchip_snd_xfer_clear(struct rk_i2s_tdm_dev *i2s_tdm, + unsigned int clr) +{ + unsigned int xfer_mask = 0; + unsigned int xfer_val = 0; + unsigned int val; + int retry = 10; + bool tx = clr & I2S_CLR_TXC; + bool rx = clr & I2S_CLR_RXC; + + if (!(rx || tx)) + return; + + if (tx) { + xfer_mask = I2S_XFER_TXS_START; + xfer_val = I2S_XFER_TXS_STOP; + } + if (rx) { + xfer_mask |= I2S_XFER_RXS_START; + xfer_val |= I2S_XFER_RXS_STOP; + } + + regmap_update_bits(i2s_tdm->regmap, I2S_XFER, xfer_mask, xfer_val); + udelay(150); + regmap_update_bits(i2s_tdm->regmap, I2S_CLR, clr, clr); + + regmap_read(i2s_tdm->regmap, I2S_CLR, &val); + /* Wait on the clear operation to finish */ + while (val) { + udelay(15); + regmap_read(i2s_tdm->regmap, I2S_CLR, &val); + retry--; + if (!retry) { + dev_warn(i2s_tdm->dev, "clear failed, reset %s%s\n", + tx ? "tx" : "", rx ? "rx" : ""); + if (rx && tx) + rockchip_snd_xfer_sync_reset(i2s_tdm); + else if (tx) + rockchip_snd_reset(i2s_tdm->tx_reset); + else if (rx) + rockchip_snd_reset(i2s_tdm->rx_reset); + break; + } + } +} + +static inline void rockchip_enable_tde(struct regmap *regmap) +{ + regmap_update_bits(regmap, I2S_DMACR, I2S_DMACR_TDE_ENABLE, + I2S_DMACR_TDE_ENABLE); +} + +static inline void rockchip_disable_tde(struct regmap *regmap) +{ + regmap_update_bits(regmap, I2S_DMACR, I2S_DMACR_TDE_ENABLE, + I2S_DMACR_TDE_DISABLE); +} + +static inline void rockchip_enable_rde(struct regmap *regmap) +{ + regmap_update_bits(regmap, I2S_DMACR, I2S_DMACR_RDE_ENABLE, + I2S_DMACR_RDE_ENABLE); +} + +static inline void rockchip_disable_rde(struct regmap *regmap) +{ + regmap_update_bits(regmap, I2S_DMACR, I2S_DMACR_RDE_ENABLE, + I2S_DMACR_RDE_DISABLE); +} + +/* only used when clk_trcm > 0 */ +static void rockchip_snd_txrxctrl(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai, int on) +{ + struct rk_i2s_tdm_dev *i2s_tdm = to_info(dai); + unsigned long flags; + + spin_lock_irqsave(&i2s_tdm->lock, flags); + if (on) { + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + rockchip_enable_tde(i2s_tdm->regmap); + else + rockchip_enable_rde(i2s_tdm->regmap); + + if (++i2s_tdm->refcount == 1) { + rockchip_snd_xfer_sync_reset(i2s_tdm); + regmap_update_bits(i2s_tdm->regmap, I2S_XFER, + I2S_XFER_TXS_START | + I2S_XFER_RXS_START, + I2S_XFER_TXS_START | + I2S_XFER_RXS_START); + } + } else { + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + rockchip_disable_tde(i2s_tdm->regmap); + else + rockchip_disable_rde(i2s_tdm->regmap); + + if (--i2s_tdm->refcount == 0) { + rockchip_snd_xfer_clear(i2s_tdm, + I2S_CLR_TXC | I2S_CLR_RXC); + } + } + spin_unlock_irqrestore(&i2s_tdm->lock, flags); +} + +static void rockchip_snd_txctrl(struct rk_i2s_tdm_dev *i2s_tdm, int on) +{ + if (on) { + rockchip_enable_tde(i2s_tdm->regmap); + + regmap_update_bits(i2s_tdm->regmap, I2S_XFER, + I2S_XFER_TXS_START, + I2S_XFER_TXS_START); + } else { + rockchip_disable_tde(i2s_tdm->regmap); + + rockchip_snd_xfer_clear(i2s_tdm, I2S_CLR_TXC); + } +} + +static void rockchip_snd_rxctrl(struct rk_i2s_tdm_dev *i2s_tdm, int on) +{ + if (on) { + rockchip_enable_rde(i2s_tdm->regmap); + + regmap_update_bits(i2s_tdm->regmap, I2S_XFER, + I2S_XFER_RXS_START, + I2S_XFER_RXS_START); + } else { + rockchip_disable_rde(i2s_tdm->regmap); + + rockchip_snd_xfer_clear(i2s_tdm, I2S_CLR_RXC); + } +} + +static int rockchip_i2s_tdm_set_fmt(struct snd_soc_dai *cpu_dai, + unsigned int fmt) +{ + struct rk_i2s_tdm_dev *i2s_tdm = to_info(cpu_dai); + unsigned int mask, val, tdm_val, txcr_val, rxcr_val; + int ret; + bool is_tdm = i2s_tdm->tdm_mode; + + ret = pm_runtime_resume_and_get(cpu_dai->dev); + if (ret < 0 && ret != -EACCES) + return ret; + + mask = I2S_CKR_MSS_MASK; + switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) { + case SND_SOC_DAIFMT_BP_FP: + val = I2S_CKR_MSS_MASTER; + i2s_tdm->is_master_mode = true; + break; + case SND_SOC_DAIFMT_BC_FC: + val = I2S_CKR_MSS_SLAVE; + i2s_tdm->is_master_mode = false; + break; + default: + ret = -EINVAL; + goto err_pm_put; + } + + regmap_update_bits(i2s_tdm->regmap, I2S_CKR, mask, val); + + mask = I2S_CKR_CKP_MASK | I2S_CKR_TLP_MASK | I2S_CKR_RLP_MASK; + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + val = I2S_CKR_CKP_NORMAL | + I2S_CKR_TLP_NORMAL | + I2S_CKR_RLP_NORMAL; + break; + case SND_SOC_DAIFMT_NB_IF: + val = I2S_CKR_CKP_NORMAL | + I2S_CKR_TLP_INVERTED | + I2S_CKR_RLP_INVERTED; + break; + case SND_SOC_DAIFMT_IB_NF: + val = I2S_CKR_CKP_INVERTED | + I2S_CKR_TLP_NORMAL | + I2S_CKR_RLP_NORMAL; + break; + case SND_SOC_DAIFMT_IB_IF: + val = I2S_CKR_CKP_INVERTED | + I2S_CKR_TLP_INVERTED | + I2S_CKR_RLP_INVERTED; + break; + default: + ret = -EINVAL; + goto err_pm_put; + } + + regmap_update_bits(i2s_tdm->regmap, I2S_CKR, mask, val); + + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_RIGHT_J: + txcr_val = I2S_TXCR_IBM_RSJM; + rxcr_val = I2S_RXCR_IBM_RSJM; + break; + case SND_SOC_DAIFMT_LEFT_J: + txcr_val = I2S_TXCR_IBM_LSJM; + rxcr_val = I2S_RXCR_IBM_LSJM; + break; + case SND_SOC_DAIFMT_I2S: + txcr_val = I2S_TXCR_IBM_NORMAL; + rxcr_val = I2S_RXCR_IBM_NORMAL; + break; + case SND_SOC_DAIFMT_DSP_A: /* PCM delay 1 mode */ + txcr_val = I2S_TXCR_TFS_PCM | I2S_TXCR_PBM_MODE(1); + rxcr_val = I2S_RXCR_TFS_PCM | I2S_RXCR_PBM_MODE(1); + break; + case SND_SOC_DAIFMT_DSP_B: /* PCM no delay mode */ + txcr_val = I2S_TXCR_TFS_PCM; + rxcr_val = I2S_RXCR_TFS_PCM; + break; + default: + ret = -EINVAL; + goto err_pm_put; + } + + mask = I2S_TXCR_IBM_MASK | I2S_TXCR_TFS_MASK | I2S_TXCR_PBM_MASK; + regmap_update_bits(i2s_tdm->regmap, I2S_TXCR, mask, txcr_val); + + mask = I2S_RXCR_IBM_MASK | I2S_RXCR_TFS_MASK | I2S_RXCR_PBM_MASK; + regmap_update_bits(i2s_tdm->regmap, I2S_RXCR, mask, rxcr_val); + + if (is_tdm) { + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_RIGHT_J: + val = I2S_TXCR_TFS_TDM_I2S; + tdm_val = TDM_SHIFT_CTRL(2); + break; + case SND_SOC_DAIFMT_LEFT_J: + val = I2S_TXCR_TFS_TDM_I2S; + tdm_val = TDM_SHIFT_CTRL(1); + break; + case SND_SOC_DAIFMT_I2S: + val = I2S_TXCR_TFS_TDM_I2S; + tdm_val = TDM_SHIFT_CTRL(0); + break; + case SND_SOC_DAIFMT_DSP_A: + val = I2S_TXCR_TFS_TDM_PCM; + tdm_val = TDM_SHIFT_CTRL(0); + break; + case SND_SOC_DAIFMT_DSP_B: + val = I2S_TXCR_TFS_TDM_PCM; + tdm_val = TDM_SHIFT_CTRL(2); + break; + default: + ret = -EINVAL; + goto err_pm_put; + } + + tdm_val |= TDM_FSYNC_WIDTH_SEL1(1); + tdm_val |= TDM_FSYNC_WIDTH_HALF_FRAME; + + mask = I2S_TXCR_TFS_MASK; + regmap_update_bits(i2s_tdm->regmap, I2S_TXCR, mask, val); + regmap_update_bits(i2s_tdm->regmap, I2S_RXCR, mask, val); + + mask = TDM_FSYNC_WIDTH_SEL1_MSK | TDM_FSYNC_WIDTH_SEL0_MSK | + TDM_SHIFT_CTRL_MSK; + regmap_update_bits(i2s_tdm->regmap, I2S_TDM_TXCR, + mask, tdm_val); + regmap_update_bits(i2s_tdm->regmap, I2S_TDM_RXCR, + mask, tdm_val); + } + +err_pm_put: + pm_runtime_put(cpu_dai->dev); + + return ret; +} + +static void rockchip_i2s_tdm_xfer_pause(struct snd_pcm_substream *substream, + struct rk_i2s_tdm_dev *i2s_tdm) +{ + int stream; + + stream = SNDRV_PCM_STREAM_LAST - substream->stream; + if (stream == SNDRV_PCM_STREAM_PLAYBACK) + rockchip_disable_tde(i2s_tdm->regmap); + else + rockchip_disable_rde(i2s_tdm->regmap); + + rockchip_snd_xfer_clear(i2s_tdm, I2S_CLR_TXC | I2S_CLR_RXC); +} + +static void rockchip_i2s_tdm_xfer_resume(struct snd_pcm_substream *substream, + struct rk_i2s_tdm_dev *i2s_tdm) +{ + int stream; + + stream = SNDRV_PCM_STREAM_LAST - substream->stream; + if (stream == SNDRV_PCM_STREAM_PLAYBACK) + rockchip_enable_tde(i2s_tdm->regmap); + else + rockchip_enable_rde(i2s_tdm->regmap); + + regmap_update_bits(i2s_tdm->regmap, I2S_XFER, + I2S_XFER_TXS_START | + I2S_XFER_RXS_START, + I2S_XFER_TXS_START | + I2S_XFER_RXS_START); +} + +static int rockchip_i2s_tdm_clk_set_rate(struct rk_i2s_tdm_dev *i2s_tdm, + struct clk *clk, unsigned long rate, + int ppm) +{ + unsigned long rate_target; + int delta, ret; + + if (ppm == i2s_tdm->clk_ppm) + return 0; + + if (ppm < 0) + delta = -1; + else + delta = 1; + + delta *= (int)div64_u64((u64)rate * (u64)abs(ppm) + 500000, + 1000000); + + rate_target = rate + delta; + + if (!rate_target) + return -EINVAL; + + ret = clk_set_rate(clk, rate_target); + if (ret) + return ret; + + i2s_tdm->clk_ppm = ppm; + + return 0; +} + +static int rockchip_i2s_tdm_calibrate_mclk(struct rk_i2s_tdm_dev *i2s_tdm, + struct snd_pcm_substream *substream, + unsigned int lrck_freq) +{ + struct clk *mclk_root; + struct clk *mclk_parent; + unsigned int mclk_root_freq; + unsigned int mclk_root_initial_freq; + unsigned int mclk_parent_freq; + unsigned int div, delta; + u64 ppm; + int ret; + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + mclk_parent = i2s_tdm->mclk_tx_src; + else + mclk_parent = i2s_tdm->mclk_rx_src; + + switch (lrck_freq) { + case 8000: + case 16000: + case 24000: + case 32000: + case 48000: + case 64000: + case 96000: + case 192000: + mclk_root = i2s_tdm->mclk_root0; + mclk_root_freq = i2s_tdm->mclk_root0_freq; + mclk_root_initial_freq = i2s_tdm->mclk_root0_initial_freq; + mclk_parent_freq = DEFAULT_MCLK_FS * 192000; + break; + case 11025: + case 22050: + case 44100: + case 88200: + case 176400: + mclk_root = i2s_tdm->mclk_root1; + mclk_root_freq = i2s_tdm->mclk_root1_freq; + mclk_root_initial_freq = i2s_tdm->mclk_root1_initial_freq; + mclk_parent_freq = DEFAULT_MCLK_FS * 176400; + break; + default: + dev_err(i2s_tdm->dev, "Invalid LRCK frequency: %u Hz\n", + lrck_freq); + return -EINVAL; + } + + ret = clk_set_parent(mclk_parent, mclk_root); + if (ret) + return ret; + + ret = rockchip_i2s_tdm_clk_set_rate(i2s_tdm, mclk_root, + mclk_root_freq, 0); + if (ret) + return ret; + + delta = abs(mclk_root_freq % mclk_parent_freq - mclk_parent_freq); + ppm = div64_u64((uint64_t)delta * 1000000, (uint64_t)mclk_root_freq); + + if (ppm) { + div = DIV_ROUND_CLOSEST(mclk_root_initial_freq, mclk_parent_freq); + if (!div) + return -EINVAL; + + mclk_root_freq = mclk_parent_freq * round_up(div, 2); + + ret = clk_set_rate(mclk_root, mclk_root_freq); + if (ret) + return ret; + + i2s_tdm->mclk_root0_freq = clk_get_rate(i2s_tdm->mclk_root0); + i2s_tdm->mclk_root1_freq = clk_get_rate(i2s_tdm->mclk_root1); + } + + return clk_set_rate(mclk_parent, mclk_parent_freq); +} + +static int rockchip_i2s_tdm_set_mclk(struct rk_i2s_tdm_dev *i2s_tdm, + struct snd_pcm_substream *substream, + struct clk **mclk) +{ + unsigned int mclk_freq; + int ret; + + if (i2s_tdm->clk_trcm) { + if (i2s_tdm->mclk_tx_freq != i2s_tdm->mclk_rx_freq) { + dev_err(i2s_tdm->dev, + "clk_trcm, tx: %d and rx: %d should be the same\n", + i2s_tdm->mclk_tx_freq, + i2s_tdm->mclk_rx_freq); + return -EINVAL; + } + + ret = clk_set_rate(i2s_tdm->mclk_tx, i2s_tdm->mclk_tx_freq); + if (ret) + return ret; + + ret = clk_set_rate(i2s_tdm->mclk_rx, i2s_tdm->mclk_rx_freq); + if (ret) + return ret; + + /* mclk_rx is also ok. */ + *mclk = i2s_tdm->mclk_tx; + } else { + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + *mclk = i2s_tdm->mclk_tx; + mclk_freq = i2s_tdm->mclk_tx_freq; + } else { + *mclk = i2s_tdm->mclk_rx; + mclk_freq = i2s_tdm->mclk_rx_freq; + } + + ret = clk_set_rate(*mclk, mclk_freq); + if (ret) + return ret; + } + + return 0; +} + +static int rockchip_i2s_ch_to_io(unsigned int ch, bool substream_capture) +{ + if (substream_capture) { + switch (ch) { + case I2S_CHN_4: + return I2S_IO_6CH_OUT_4CH_IN; + case I2S_CHN_6: + return I2S_IO_4CH_OUT_6CH_IN; + case I2S_CHN_8: + return I2S_IO_2CH_OUT_8CH_IN; + default: + return I2S_IO_8CH_OUT_2CH_IN; + } + } else { + switch (ch) { + case I2S_CHN_4: + return I2S_IO_4CH_OUT_6CH_IN; + case I2S_CHN_6: + return I2S_IO_6CH_OUT_4CH_IN; + case I2S_CHN_8: + return I2S_IO_8CH_OUT_2CH_IN; + default: + return I2S_IO_2CH_OUT_8CH_IN; + } + } +} + +static int rockchip_i2s_io_multiplex(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct rk_i2s_tdm_dev *i2s_tdm = to_info(dai); + int usable_chs = MULTIPLEX_CH_MAX; + unsigned int val = 0; + + if (!i2s_tdm->io_multiplex) + return 0; + + if (IS_ERR_OR_NULL(i2s_tdm->grf)) { + dev_err(i2s_tdm->dev, + "io multiplex not supported for this device\n"); + return -EINVAL; + } + + if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) { + struct snd_pcm_str *playback_str = + &substream->pcm->streams[SNDRV_PCM_STREAM_PLAYBACK]; + + if (playback_str->substream_opened) { + regmap_read(i2s_tdm->regmap, I2S_TXCR, &val); + val &= I2S_TXCR_CSR_MASK; + usable_chs = MULTIPLEX_CH_MAX - to_ch_num(val); + } + + regmap_read(i2s_tdm->regmap, I2S_RXCR, &val); + val &= I2S_RXCR_CSR_MASK; + + if (to_ch_num(val) > usable_chs) { + dev_err(i2s_tdm->dev, + "Capture channels (%d) > usable channels (%d)\n", + to_ch_num(val), usable_chs); + return -EINVAL; + } + + rockchip_i2s_ch_to_io(val, true); + } else { + struct snd_pcm_str *capture_str = + &substream->pcm->streams[SNDRV_PCM_STREAM_CAPTURE]; + + if (capture_str->substream_opened) { + regmap_read(i2s_tdm->regmap, I2S_RXCR, &val); + val &= I2S_RXCR_CSR_MASK; + usable_chs = MULTIPLEX_CH_MAX - to_ch_num(val); + } + + regmap_read(i2s_tdm->regmap, I2S_TXCR, &val); + val &= I2S_TXCR_CSR_MASK; + + if (to_ch_num(val) > usable_chs) { + dev_err(i2s_tdm->dev, + "Playback channels (%d) > usable channels (%d)\n", + to_ch_num(val), usable_chs); + return -EINVAL; + } + } + + val <<= i2s_tdm->soc_data->grf_shift; + val |= (I2S_IO_DIRECTION_MASK << i2s_tdm->soc_data->grf_shift) << 16; + regmap_write(i2s_tdm->grf, i2s_tdm->soc_data->grf_reg_offset, val); + + return 0; +} + +static int rockchip_i2s_trcm_mode(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai, + unsigned int div_bclk, + unsigned int div_lrck, + unsigned int fmt) +{ + struct rk_i2s_tdm_dev *i2s_tdm = to_info(dai); + unsigned long flags; + + if (!i2s_tdm->clk_trcm) + return 0; + + spin_lock_irqsave(&i2s_tdm->lock, flags); + if (i2s_tdm->refcount) + rockchip_i2s_tdm_xfer_pause(substream, i2s_tdm); + + regmap_update_bits(i2s_tdm->regmap, I2S_CLKDIV, + I2S_CLKDIV_TXM_MASK | I2S_CLKDIV_RXM_MASK, + I2S_CLKDIV_TXM(div_bclk) | I2S_CLKDIV_RXM(div_bclk)); + regmap_update_bits(i2s_tdm->regmap, I2S_CKR, + I2S_CKR_TSD_MASK | I2S_CKR_RSD_MASK, + I2S_CKR_TSD(div_lrck) | I2S_CKR_RSD(div_lrck)); + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + regmap_update_bits(i2s_tdm->regmap, I2S_TXCR, + I2S_TXCR_VDW_MASK | I2S_TXCR_CSR_MASK, + fmt); + else + regmap_update_bits(i2s_tdm->regmap, I2S_RXCR, + I2S_RXCR_VDW_MASK | I2S_RXCR_CSR_MASK, + fmt); + + if (i2s_tdm->refcount) + rockchip_i2s_tdm_xfer_resume(substream, i2s_tdm); + spin_unlock_irqrestore(&i2s_tdm->lock, flags); + + return 0; +} + +static int rockchip_i2s_tdm_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct rk_i2s_tdm_dev *i2s_tdm = to_info(dai); + struct clk *mclk; + int ret = 0; + unsigned int val = 0; + unsigned int mclk_rate, bclk_rate, div_bclk = 4, div_lrck = 64; + + if (i2s_tdm->is_master_mode) { + if (i2s_tdm->mclk_calibrate) + rockchip_i2s_tdm_calibrate_mclk(i2s_tdm, substream, + params_rate(params)); + + ret = rockchip_i2s_tdm_set_mclk(i2s_tdm, substream, &mclk); + if (ret) + return ret; + + mclk_rate = clk_get_rate(mclk); + bclk_rate = i2s_tdm->frame_width * params_rate(params); + if (!bclk_rate) + return -EINVAL; + + div_bclk = DIV_ROUND_CLOSEST(mclk_rate, bclk_rate); + div_lrck = bclk_rate / params_rate(params); + } + + switch (params_format(params)) { + case SNDRV_PCM_FORMAT_S8: + val |= I2S_TXCR_VDW(8); + break; + case SNDRV_PCM_FORMAT_S16_LE: + val |= I2S_TXCR_VDW(16); + break; + case SNDRV_PCM_FORMAT_S20_3LE: + val |= I2S_TXCR_VDW(20); + break; + case SNDRV_PCM_FORMAT_S24_LE: + val |= I2S_TXCR_VDW(24); + break; + case SNDRV_PCM_FORMAT_S32_LE: + val |= I2S_TXCR_VDW(32); + break; + default: + return -EINVAL; + } + + switch (params_channels(params)) { + case 8: + val |= I2S_CHN_8; + break; + case 6: + val |= I2S_CHN_6; + break; + case 4: + val |= I2S_CHN_4; + break; + case 2: + val |= I2S_CHN_2; + break; + default: + return -EINVAL; + } + + if (i2s_tdm->clk_trcm) { + rockchip_i2s_trcm_mode(substream, dai, div_bclk, div_lrck, val); + } else if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + regmap_update_bits(i2s_tdm->regmap, I2S_CLKDIV, + I2S_CLKDIV_TXM_MASK, + I2S_CLKDIV_TXM(div_bclk)); + regmap_update_bits(i2s_tdm->regmap, I2S_CKR, + I2S_CKR_TSD_MASK, + I2S_CKR_TSD(div_lrck)); + regmap_update_bits(i2s_tdm->regmap, I2S_TXCR, + I2S_TXCR_VDW_MASK | I2S_TXCR_CSR_MASK, + val); + } else { + regmap_update_bits(i2s_tdm->regmap, I2S_CLKDIV, + I2S_CLKDIV_RXM_MASK, + I2S_CLKDIV_RXM(div_bclk)); + regmap_update_bits(i2s_tdm->regmap, I2S_CKR, + I2S_CKR_RSD_MASK, + I2S_CKR_RSD(div_lrck)); + regmap_update_bits(i2s_tdm->regmap, I2S_RXCR, + I2S_RXCR_VDW_MASK | I2S_RXCR_CSR_MASK, + val); + } + + return rockchip_i2s_io_multiplex(substream, dai); +} + +static int rockchip_i2s_tdm_trigger(struct snd_pcm_substream *substream, + int cmd, struct snd_soc_dai *dai) +{ + struct rk_i2s_tdm_dev *i2s_tdm = to_info(dai); + + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_RESUME: + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + if (i2s_tdm->clk_trcm) + rockchip_snd_txrxctrl(substream, dai, 1); + else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) + rockchip_snd_rxctrl(i2s_tdm, 1); + else + rockchip_snd_txctrl(i2s_tdm, 1); + break; + case SNDRV_PCM_TRIGGER_SUSPEND: + case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + if (i2s_tdm->clk_trcm) + rockchip_snd_txrxctrl(substream, dai, 0); + else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) + rockchip_snd_rxctrl(i2s_tdm, 0); + else + rockchip_snd_txctrl(i2s_tdm, 0); + break; + default: + return -EINVAL; + } + + return 0; +} + +static int rockchip_i2s_tdm_set_sysclk(struct snd_soc_dai *cpu_dai, int stream, + unsigned int freq, int dir) +{ + struct rk_i2s_tdm_dev *i2s_tdm = to_info(cpu_dai); + + /* Put set mclk rate into rockchip_i2s_tdm_set_mclk() */ + if (i2s_tdm->clk_trcm) { + i2s_tdm->mclk_tx_freq = freq; + i2s_tdm->mclk_rx_freq = freq; + } else { + if (stream == SNDRV_PCM_STREAM_PLAYBACK) + i2s_tdm->mclk_tx_freq = freq; + else + i2s_tdm->mclk_rx_freq = freq; + } + + dev_dbg(i2s_tdm->dev, "The target mclk_%s freq is: %d\n", + stream ? "rx" : "tx", freq); + + return 0; +} + +static int rockchip_i2s_tdm_clk_compensation_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 1; + uinfo->value.integer.min = CLK_PPM_MIN; + uinfo->value.integer.max = CLK_PPM_MAX; + uinfo->value.integer.step = 1; + + return 0; +} + +static int rockchip_i2s_tdm_clk_compensation_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_dai *dai = snd_kcontrol_chip(kcontrol); + struct rk_i2s_tdm_dev *i2s_tdm = snd_soc_dai_get_drvdata(dai); + + ucontrol->value.integer.value[0] = i2s_tdm->clk_ppm; + + return 0; +} + +static int rockchip_i2s_tdm_clk_compensation_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_dai *dai = snd_kcontrol_chip(kcontrol); + struct rk_i2s_tdm_dev *i2s_tdm = snd_soc_dai_get_drvdata(dai); + int ret = 0, ppm = 0; + int changed = 0; + unsigned long old_rate; + + if (ucontrol->value.integer.value[0] < CLK_PPM_MIN || + ucontrol->value.integer.value[0] > CLK_PPM_MAX) + return -EINVAL; + + ppm = ucontrol->value.integer.value[0]; + + old_rate = clk_get_rate(i2s_tdm->mclk_root0); + ret = rockchip_i2s_tdm_clk_set_rate(i2s_tdm, i2s_tdm->mclk_root0, + i2s_tdm->mclk_root0_freq, ppm); + if (ret) + return ret; + if (old_rate != clk_get_rate(i2s_tdm->mclk_root0)) + changed = 1; + + if (clk_is_match(i2s_tdm->mclk_root0, i2s_tdm->mclk_root1)) + return changed; + + old_rate = clk_get_rate(i2s_tdm->mclk_root1); + ret = rockchip_i2s_tdm_clk_set_rate(i2s_tdm, i2s_tdm->mclk_root1, + i2s_tdm->mclk_root1_freq, ppm); + if (ret) + return ret; + if (old_rate != clk_get_rate(i2s_tdm->mclk_root1)) + changed = 1; + + return changed; +} + +static struct snd_kcontrol_new rockchip_i2s_tdm_compensation_control = { + .iface = SNDRV_CTL_ELEM_IFACE_PCM, + .name = "PCM Clock Compensation in PPM", + .info = rockchip_i2s_tdm_clk_compensation_info, + .get = rockchip_i2s_tdm_clk_compensation_get, + .put = rockchip_i2s_tdm_clk_compensation_put, +}; + +static int rockchip_i2s_tdm_dai_probe(struct snd_soc_dai *dai) +{ + struct rk_i2s_tdm_dev *i2s_tdm = snd_soc_dai_get_drvdata(dai); + + if (i2s_tdm->has_capture) + snd_soc_dai_dma_data_set_capture(dai, &i2s_tdm->capture_dma_data); + if (i2s_tdm->has_playback) + snd_soc_dai_dma_data_set_playback(dai, &i2s_tdm->playback_dma_data); + + if (i2s_tdm->mclk_calibrate) + snd_soc_add_dai_controls(dai, &rockchip_i2s_tdm_compensation_control, 1); + + return 0; +} + +static int rockchip_dai_tdm_slot(struct snd_soc_dai *dai, + unsigned int tx_mask, unsigned int rx_mask, + int slots, int slot_width) +{ + struct rk_i2s_tdm_dev *i2s_tdm = snd_soc_dai_get_drvdata(dai); + unsigned int mask, val; + + i2s_tdm->tdm_mode = true; + i2s_tdm->frame_width = slots * slot_width; + mask = TDM_SLOT_BIT_WIDTH_MSK | TDM_FRAME_WIDTH_MSK; + val = TDM_SLOT_BIT_WIDTH(slot_width) | + TDM_FRAME_WIDTH(slots * slot_width); + regmap_update_bits(i2s_tdm->regmap, I2S_TDM_TXCR, + mask, val); + regmap_update_bits(i2s_tdm->regmap, I2S_TDM_RXCR, + mask, val); + + return 0; +} + +static int rockchip_i2s_tdm_set_bclk_ratio(struct snd_soc_dai *dai, + unsigned int ratio) +{ + struct rk_i2s_tdm_dev *i2s_tdm = snd_soc_dai_get_drvdata(dai); + + if (ratio < 32 || ratio > 512 || ratio % 2 == 1) + return -EINVAL; + + i2s_tdm->frame_width = ratio; + + return 0; +} + +static const struct snd_soc_dai_ops rockchip_i2s_tdm_dai_ops = { + .probe = rockchip_i2s_tdm_dai_probe, + .hw_params = rockchip_i2s_tdm_hw_params, + .set_bclk_ratio = rockchip_i2s_tdm_set_bclk_ratio, + .set_sysclk = rockchip_i2s_tdm_set_sysclk, + .set_fmt = rockchip_i2s_tdm_set_fmt, + .set_tdm_slot = rockchip_dai_tdm_slot, + .trigger = rockchip_i2s_tdm_trigger, +}; + +static const struct snd_soc_component_driver rockchip_i2s_tdm_component = { + .name = DRV_NAME, + .legacy_dai_naming = 1, +}; + +static bool rockchip_i2s_tdm_wr_reg(struct device *dev, unsigned int reg) +{ + switch (reg) { + case I2S_TXCR: + case I2S_RXCR: + case I2S_CKR: + case I2S_DMACR: + case I2S_INTCR: + case I2S_XFER: + case I2S_CLR: + case I2S_TXDR: + case I2S_TDM_TXCR: + case I2S_TDM_RXCR: + case I2S_CLKDIV: + return true; + default: + return false; + } +} + +static bool rockchip_i2s_tdm_rd_reg(struct device *dev, unsigned int reg) +{ + switch (reg) { + case I2S_TXCR: + case I2S_RXCR: + case I2S_CKR: + case I2S_DMACR: + case I2S_INTCR: + case I2S_XFER: + case I2S_CLR: + case I2S_TXDR: + case I2S_RXDR: + case I2S_TXFIFOLR: + case I2S_INTSR: + case I2S_RXFIFOLR: + case I2S_TDM_TXCR: + case I2S_TDM_RXCR: + case I2S_CLKDIV: + return true; + default: + return false; + } +} + +static bool rockchip_i2s_tdm_volatile_reg(struct device *dev, unsigned int reg) +{ + switch (reg) { + case I2S_TXFIFOLR: + case I2S_INTSR: + case I2S_CLR: + case I2S_TXDR: + case I2S_RXDR: + case I2S_RXFIFOLR: + return true; + default: + return false; + } +} + +static bool rockchip_i2s_tdm_precious_reg(struct device *dev, unsigned int reg) +{ + if (reg == I2S_RXDR) + return true; + return false; +} + +static const struct reg_default rockchip_i2s_tdm_reg_defaults[] = { + {0x00, 0x7200000f}, + {0x04, 0x01c8000f}, + {0x08, 0x00001f1f}, + {0x10, 0x001f0000}, + {0x14, 0x01f00000}, + {0x30, 0x00003eff}, + {0x34, 0x00003eff}, + {0x38, 0x00000707}, +}; + +static const struct regmap_config rockchip_i2s_tdm_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + .max_register = I2S_CLKDIV, + .reg_defaults = rockchip_i2s_tdm_reg_defaults, + .num_reg_defaults = ARRAY_SIZE(rockchip_i2s_tdm_reg_defaults), + .writeable_reg = rockchip_i2s_tdm_wr_reg, + .readable_reg = rockchip_i2s_tdm_rd_reg, + .volatile_reg = rockchip_i2s_tdm_volatile_reg, + .precious_reg = rockchip_i2s_tdm_precious_reg, + .cache_type = REGCACHE_FLAT, +}; + +static int common_soc_init(struct device *dev, u32 addr) +{ + struct rk_i2s_tdm_dev *i2s_tdm = dev_get_drvdata(dev); + const struct txrx_config *configs = i2s_tdm->soc_data->configs; + u32 reg = 0, val = 0, trcm = i2s_tdm->clk_trcm; + int i; + + if (trcm == TRCM_TXRX) + return 0; + + if (IS_ERR_OR_NULL(i2s_tdm->grf)) { + dev_err(i2s_tdm->dev, + "no grf present but non-txrx TRCM specified\n"); + return -EINVAL; + } + + for (i = 0; i < i2s_tdm->soc_data->config_count; i++) { + if (addr != configs[i].addr) + continue; + reg = configs[i].reg; + if (trcm == TRCM_TX) + val = configs[i].txonly; + else + val = configs[i].rxonly; + + if (reg) + regmap_write(i2s_tdm->grf, reg, val); + } + + return 0; +} + +static const struct txrx_config px30_txrx_config[] = { + { 0xff060000, 0x184, PX30_I2S0_CLK_TXONLY, PX30_I2S0_CLK_RXONLY }, +}; + +static const struct txrx_config rk1808_txrx_config[] = { + { 0xff7e0000, 0x190, RK1808_I2S0_CLK_TXONLY, RK1808_I2S0_CLK_RXONLY }, +}; + +static const struct txrx_config rk3308_txrx_config[] = { + { 0xff300000, 0x308, RK3308_I2S0_CLK_TXONLY, RK3308_I2S0_CLK_RXONLY }, + { 0xff310000, 0x308, RK3308_I2S1_CLK_TXONLY, RK3308_I2S1_CLK_RXONLY }, +}; + +static const struct txrx_config rk3568_txrx_config[] = { + { 0xfe410000, 0x504, RK3568_I2S1_CLK_TXONLY, RK3568_I2S1_CLK_RXONLY }, + { 0xfe410000, 0x508, RK3568_I2S1_MCLK_TX_OE, RK3568_I2S1_MCLK_RX_OE }, + { 0xfe420000, 0x508, RK3568_I2S2_MCLK_OE, RK3568_I2S2_MCLK_OE }, + { 0xfe430000, 0x504, RK3568_I2S3_CLK_TXONLY, RK3568_I2S3_CLK_RXONLY }, + { 0xfe430000, 0x508, RK3568_I2S3_MCLK_TXONLY, RK3568_I2S3_MCLK_RXONLY }, + { 0xfe430000, 0x508, RK3568_I2S3_MCLK_OE, RK3568_I2S3_MCLK_OE }, +}; + +static const struct txrx_config rv1126_txrx_config[] = { + { 0xff800000, 0x10260, RV1126_I2S0_CLK_TXONLY, RV1126_I2S0_CLK_RXONLY }, +}; + +static struct rk_i2s_soc_data px30_i2s_soc_data = { + .softrst_offset = 0x0300, + .configs = px30_txrx_config, + .config_count = ARRAY_SIZE(px30_txrx_config), + .init = common_soc_init, +}; + +static struct rk_i2s_soc_data rk1808_i2s_soc_data = { + .softrst_offset = 0x0300, + .configs = rk1808_txrx_config, + .config_count = ARRAY_SIZE(rk1808_txrx_config), + .init = common_soc_init, +}; + +static struct rk_i2s_soc_data rk3308_i2s_soc_data = { + .softrst_offset = 0x0400, + .grf_reg_offset = 0x0308, + .grf_shift = 5, + .configs = rk3308_txrx_config, + .config_count = ARRAY_SIZE(rk3308_txrx_config), + .init = common_soc_init, +}; + +static struct rk_i2s_soc_data rk3568_i2s_soc_data = { + .softrst_offset = 0x0400, + .configs = rk3568_txrx_config, + .config_count = ARRAY_SIZE(rk3568_txrx_config), + .init = common_soc_init, +}; + +static struct rk_i2s_soc_data rv1126_i2s_soc_data = { + .softrst_offset = 0x0300, + .configs = rv1126_txrx_config, + .config_count = ARRAY_SIZE(rv1126_txrx_config), + .init = common_soc_init, +}; + +static const struct of_device_id rockchip_i2s_tdm_match[] = { + { .compatible = "rockchip,px30-i2s-tdm", .data = &px30_i2s_soc_data }, + { .compatible = "rockchip,rk1808-i2s-tdm", .data = &rk1808_i2s_soc_data }, + { .compatible = "rockchip,rk3308-i2s-tdm", .data = &rk3308_i2s_soc_data }, + { .compatible = "rockchip,rk3568-i2s-tdm", .data = &rk3568_i2s_soc_data }, + { .compatible = "rockchip,rk3588-i2s-tdm" }, + { .compatible = "rockchip,rv1126-i2s-tdm", .data = &rv1126_i2s_soc_data }, + {}, +}; + +static const struct snd_soc_dai_driver i2s_tdm_dai = { + .ops = &rockchip_i2s_tdm_dai_ops, +}; + +static int rockchip_i2s_tdm_init_dai(struct rk_i2s_tdm_dev *i2s_tdm) +{ + struct snd_soc_dai_driver *dai; + struct property *dma_names; + const char *dma_name; + u64 formats = (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE | + SNDRV_PCM_FMTBIT_S32_LE); + struct device_node *node = i2s_tdm->dev->of_node; + + of_property_for_each_string(node, "dma-names", dma_names, dma_name) { + if (!strcmp(dma_name, "tx")) + i2s_tdm->has_playback = true; + if (!strcmp(dma_name, "rx")) + i2s_tdm->has_capture = true; + } + + dai = devm_kmemdup(i2s_tdm->dev, &i2s_tdm_dai, + sizeof(*dai), GFP_KERNEL); + if (!dai) + return -ENOMEM; + + if (i2s_tdm->has_playback) { + dai->playback.stream_name = "Playback"; + dai->playback.channels_min = 2; + dai->playback.channels_max = 8; + dai->playback.rates = SNDRV_PCM_RATE_8000_192000; + dai->playback.formats = formats; + } + + if (i2s_tdm->has_capture) { + dai->capture.stream_name = "Capture"; + dai->capture.channels_min = 2; + dai->capture.channels_max = 8; + dai->capture.rates = SNDRV_PCM_RATE_8000_192000; + dai->capture.formats = formats; + } + + if (i2s_tdm->clk_trcm != TRCM_TXRX) + dai->symmetric_rate = 1; + + i2s_tdm->dai = dai; + + return 0; +} + +static int rockchip_i2s_tdm_path_check(struct rk_i2s_tdm_dev *i2s_tdm, + int num, + bool is_rx_path) +{ + unsigned int *i2s_data; + int i, j; + + if (is_rx_path) + i2s_data = i2s_tdm->i2s_sdis; + else + i2s_data = i2s_tdm->i2s_sdos; + + for (i = 0; i < num; i++) { + if (i2s_data[i] > CH_GRP_MAX - 1) { + dev_err(i2s_tdm->dev, + "%s path i2s_data[%d]: %d is too high, max is: %d\n", + is_rx_path ? "RX" : "TX", + i, i2s_data[i], CH_GRP_MAX); + return -EINVAL; + } + + for (j = 0; j < num; j++) { + if (i == j) + continue; + + if (i2s_data[i] == i2s_data[j]) { + dev_err(i2s_tdm->dev, + "%s path invalid routed i2s_data: [%d]%d == [%d]%d\n", + is_rx_path ? "RX" : "TX", + i, i2s_data[i], + j, i2s_data[j]); + return -EINVAL; + } + } + } + + return 0; +} + +static void rockchip_i2s_tdm_tx_path_config(struct rk_i2s_tdm_dev *i2s_tdm, + int num) +{ + int idx; + + for (idx = 0; idx < num; idx++) { + regmap_update_bits(i2s_tdm->regmap, I2S_TXCR, + I2S_TXCR_PATH_MASK(idx), + I2S_TXCR_PATH(idx, i2s_tdm->i2s_sdos[idx])); + } +} + +static void rockchip_i2s_tdm_rx_path_config(struct rk_i2s_tdm_dev *i2s_tdm, + int num) +{ + int idx; + + for (idx = 0; idx < num; idx++) { + regmap_update_bits(i2s_tdm->regmap, I2S_RXCR, + I2S_RXCR_PATH_MASK(idx), + I2S_RXCR_PATH(idx, i2s_tdm->i2s_sdis[idx])); + } +} + +static void rockchip_i2s_tdm_path_config(struct rk_i2s_tdm_dev *i2s_tdm, + int num, bool is_rx_path) +{ + if (is_rx_path) + rockchip_i2s_tdm_rx_path_config(i2s_tdm, num); + else + rockchip_i2s_tdm_tx_path_config(i2s_tdm, num); +} + +static int rockchip_i2s_tdm_get_calibrate_mclks(struct rk_i2s_tdm_dev *i2s_tdm) +{ + int num_mclks = 0; + + i2s_tdm->mclk_tx_src = devm_clk_get(i2s_tdm->dev, "mclk_tx_src"); + if (!IS_ERR(i2s_tdm->mclk_tx_src)) + num_mclks++; + + i2s_tdm->mclk_rx_src = devm_clk_get(i2s_tdm->dev, "mclk_rx_src"); + if (!IS_ERR(i2s_tdm->mclk_rx_src)) + num_mclks++; + + i2s_tdm->mclk_root0 = devm_clk_get(i2s_tdm->dev, "mclk_root0"); + if (!IS_ERR(i2s_tdm->mclk_root0)) + num_mclks++; + + i2s_tdm->mclk_root1 = devm_clk_get(i2s_tdm->dev, "mclk_root1"); + if (!IS_ERR(i2s_tdm->mclk_root1)) + num_mclks++; + + if (num_mclks < 4 && num_mclks != 0) + return -ENOENT; + + if (num_mclks == 4) + i2s_tdm->mclk_calibrate = 1; + + return 0; +} + +static int rockchip_i2s_tdm_path_prepare(struct rk_i2s_tdm_dev *i2s_tdm, + struct device_node *np, + bool is_rx_path) +{ + char *i2s_tx_path_prop = "rockchip,i2s-tx-route"; + char *i2s_rx_path_prop = "rockchip,i2s-rx-route"; + char *i2s_path_prop; + unsigned int *i2s_data; + int num, ret = 0; + + if (is_rx_path) { + i2s_path_prop = i2s_rx_path_prop; + i2s_data = i2s_tdm->i2s_sdis; + } else { + i2s_path_prop = i2s_tx_path_prop; + i2s_data = i2s_tdm->i2s_sdos; + } + + num = of_count_phandle_with_args(np, i2s_path_prop, NULL); + if (num < 0) { + if (num != -ENOENT) { + dev_err(i2s_tdm->dev, + "Failed to read '%s' num: %d\n", + i2s_path_prop, num); + ret = num; + } + return ret; + } else if (num != CH_GRP_MAX) { + dev_err(i2s_tdm->dev, + "The num: %d should be: %d\n", num, CH_GRP_MAX); + return -EINVAL; + } + + ret = of_property_read_u32_array(np, i2s_path_prop, + i2s_data, num); + if (ret < 0) { + dev_err(i2s_tdm->dev, + "Failed to read '%s': %d\n", + i2s_path_prop, ret); + return ret; + } + + ret = rockchip_i2s_tdm_path_check(i2s_tdm, num, is_rx_path); + if (ret < 0) { + dev_err(i2s_tdm->dev, + "Failed to check i2s data bus: %d\n", ret); + return ret; + } + + rockchip_i2s_tdm_path_config(i2s_tdm, num, is_rx_path); + + return 0; +} + +static int rockchip_i2s_tdm_tx_path_prepare(struct rk_i2s_tdm_dev *i2s_tdm, + struct device_node *np) +{ + return rockchip_i2s_tdm_path_prepare(i2s_tdm, np, 0); +} + +static int rockchip_i2s_tdm_rx_path_prepare(struct rk_i2s_tdm_dev *i2s_tdm, + struct device_node *np) +{ + return rockchip_i2s_tdm_path_prepare(i2s_tdm, np, 1); +} + +static int rockchip_i2s_tdm_probe(struct platform_device *pdev) +{ + struct device_node *node = pdev->dev.of_node; + const struct of_device_id *of_id; + struct rk_i2s_tdm_dev *i2s_tdm; + struct resource *res; + void __iomem *regs; + int ret; + + i2s_tdm = devm_kzalloc(&pdev->dev, sizeof(*i2s_tdm), GFP_KERNEL); + if (!i2s_tdm) + return -ENOMEM; + + i2s_tdm->dev = &pdev->dev; + + of_id = of_match_device(rockchip_i2s_tdm_match, &pdev->dev); + if (!of_id) + return -EINVAL; + + spin_lock_init(&i2s_tdm->lock); + i2s_tdm->soc_data = (struct rk_i2s_soc_data *)of_id->data; + + i2s_tdm->frame_width = 64; + + i2s_tdm->clk_trcm = TRCM_TXRX; + if (of_property_read_bool(node, "rockchip,trcm-sync-tx-only")) + i2s_tdm->clk_trcm = TRCM_TX; + if (of_property_read_bool(node, "rockchip,trcm-sync-rx-only")) { + if (i2s_tdm->clk_trcm) { + dev_err(i2s_tdm->dev, "invalid trcm-sync configuration\n"); + return -EINVAL; + } + i2s_tdm->clk_trcm = TRCM_RX; + } + + ret = rockchip_i2s_tdm_init_dai(i2s_tdm); + if (ret) + return ret; + + i2s_tdm->grf = syscon_regmap_lookup_by_phandle(node, "rockchip,grf"); + i2s_tdm->tx_reset = devm_reset_control_get_optional_exclusive(&pdev->dev, + "tx-m"); + if (IS_ERR(i2s_tdm->tx_reset)) { + ret = PTR_ERR(i2s_tdm->tx_reset); + return dev_err_probe(i2s_tdm->dev, ret, + "Error in tx-m reset control\n"); + } + + i2s_tdm->rx_reset = devm_reset_control_get_optional_exclusive(&pdev->dev, + "rx-m"); + if (IS_ERR(i2s_tdm->rx_reset)) { + ret = PTR_ERR(i2s_tdm->rx_reset); + return dev_err_probe(i2s_tdm->dev, ret, + "Error in rx-m reset control\n"); + } + + i2s_tdm->hclk = devm_clk_get(&pdev->dev, "hclk"); + if (IS_ERR(i2s_tdm->hclk)) { + return dev_err_probe(i2s_tdm->dev, PTR_ERR(i2s_tdm->hclk), + "Failed to get clock hclk\n"); + } + + i2s_tdm->mclk_tx = devm_clk_get(&pdev->dev, "mclk_tx"); + if (IS_ERR(i2s_tdm->mclk_tx)) { + return dev_err_probe(i2s_tdm->dev, PTR_ERR(i2s_tdm->mclk_tx), + "Failed to get clock mclk_tx\n"); + } + + i2s_tdm->mclk_rx = devm_clk_get(&pdev->dev, "mclk_rx"); + if (IS_ERR(i2s_tdm->mclk_rx)) { + return dev_err_probe(i2s_tdm->dev, PTR_ERR(i2s_tdm->mclk_rx), + "Failed to get clock mclk_rx\n"); + } + + i2s_tdm->io_multiplex = + of_property_read_bool(node, "rockchip,io-multiplex"); + + ret = rockchip_i2s_tdm_get_calibrate_mclks(i2s_tdm); + if (ret) + return dev_err_probe(i2s_tdm->dev, ret, + "mclk-calibrate clocks missing"); + + regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res); + if (IS_ERR(regs)) { + return dev_err_probe(i2s_tdm->dev, PTR_ERR(regs), + "Failed to get resource IORESOURCE_MEM\n"); + } + + i2s_tdm->regmap = devm_regmap_init_mmio(&pdev->dev, regs, + &rockchip_i2s_tdm_regmap_config); + if (IS_ERR(i2s_tdm->regmap)) { + return dev_err_probe(i2s_tdm->dev, PTR_ERR(i2s_tdm->regmap), + "Failed to initialise regmap\n"); + } + + if (i2s_tdm->has_playback) { + i2s_tdm->playback_dma_data.addr = res->start + I2S_TXDR; + i2s_tdm->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; + i2s_tdm->playback_dma_data.maxburst = 8; + } + + if (i2s_tdm->has_capture) { + i2s_tdm->capture_dma_data.addr = res->start + I2S_RXDR; + i2s_tdm->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; + i2s_tdm->capture_dma_data.maxburst = 8; + } + + ret = rockchip_i2s_tdm_tx_path_prepare(i2s_tdm, node); + if (ret < 0) { + dev_err(&pdev->dev, "I2S TX path prepare failed: %d\n", ret); + return ret; + } + + ret = rockchip_i2s_tdm_rx_path_prepare(i2s_tdm, node); + if (ret < 0) { + dev_err(&pdev->dev, "I2S RX path prepare failed: %d\n", ret); + return ret; + } + + dev_set_drvdata(&pdev->dev, i2s_tdm); + + ret = clk_prepare_enable(i2s_tdm->hclk); + if (ret) { + return dev_err_probe(i2s_tdm->dev, ret, + "Failed to enable clock hclk\n"); + } + + ret = i2s_tdm_prepare_enable_mclk(i2s_tdm); + if (ret) { + ret = dev_err_probe(i2s_tdm->dev, ret, + "Failed to enable one or more mclks\n"); + goto err_disable_hclk; + } + + if (i2s_tdm->mclk_calibrate) { + i2s_tdm->mclk_root0_initial_freq = clk_get_rate(i2s_tdm->mclk_root0); + i2s_tdm->mclk_root1_initial_freq = clk_get_rate(i2s_tdm->mclk_root1); + i2s_tdm->mclk_root0_freq = i2s_tdm->mclk_root0_initial_freq; + i2s_tdm->mclk_root1_freq = i2s_tdm->mclk_root1_initial_freq; + } + + pm_runtime_enable(&pdev->dev); + + regmap_update_bits(i2s_tdm->regmap, I2S_DMACR, I2S_DMACR_TDL_MASK, + I2S_DMACR_TDL(16)); + regmap_update_bits(i2s_tdm->regmap, I2S_DMACR, I2S_DMACR_RDL_MASK, + I2S_DMACR_RDL(16)); + regmap_update_bits(i2s_tdm->regmap, I2S_CKR, I2S_CKR_TRCM_MASK, + i2s_tdm->clk_trcm << I2S_CKR_TRCM_SHIFT); + + if (i2s_tdm->soc_data && i2s_tdm->soc_data->init) + i2s_tdm->soc_data->init(&pdev->dev, res->start); + + ret = devm_snd_soc_register_component(&pdev->dev, + &rockchip_i2s_tdm_component, + i2s_tdm->dai, 1); + + if (ret) { + dev_err(&pdev->dev, "Could not register DAI\n"); + goto err_suspend; + } + + ret = devm_snd_dmaengine_pcm_register(&pdev->dev, NULL, 0); + if (ret) { + dev_err(&pdev->dev, "Could not register PCM\n"); + goto err_suspend; + } + + return 0; + +err_suspend: + if (!pm_runtime_status_suspended(&pdev->dev)) + i2s_tdm_runtime_suspend(&pdev->dev); + pm_runtime_disable(&pdev->dev); + +err_disable_hclk: + clk_disable_unprepare(i2s_tdm->hclk); + + return ret; +} + +static int rockchip_i2s_tdm_remove(struct platform_device *pdev) +{ + if (!pm_runtime_status_suspended(&pdev->dev)) + i2s_tdm_runtime_suspend(&pdev->dev); + + pm_runtime_disable(&pdev->dev); + + return 0; +} + +static int __maybe_unused rockchip_i2s_tdm_suspend(struct device *dev) +{ + struct rk_i2s_tdm_dev *i2s_tdm = dev_get_drvdata(dev); + + regcache_mark_dirty(i2s_tdm->regmap); + + return 0; +} + +static int __maybe_unused rockchip_i2s_tdm_resume(struct device *dev) +{ + struct rk_i2s_tdm_dev *i2s_tdm = dev_get_drvdata(dev); + int ret; + + ret = pm_runtime_resume_and_get(dev); + if (ret < 0) + return ret; + ret = regcache_sync(i2s_tdm->regmap); + pm_runtime_put(dev); + + return ret; +} + +static const struct dev_pm_ops rockchip_i2s_tdm_pm_ops = { + SET_RUNTIME_PM_OPS(i2s_tdm_runtime_suspend, i2s_tdm_runtime_resume, + NULL) + SET_SYSTEM_SLEEP_PM_OPS(rockchip_i2s_tdm_suspend, + rockchip_i2s_tdm_resume) +}; + +static struct platform_driver rockchip_i2s_tdm_driver = { + .probe = rockchip_i2s_tdm_probe, + .remove = rockchip_i2s_tdm_remove, + .driver = { + .name = DRV_NAME, + .of_match_table = of_match_ptr(rockchip_i2s_tdm_match), + .pm = &rockchip_i2s_tdm_pm_ops, + }, +}; +module_platform_driver(rockchip_i2s_tdm_driver); + +MODULE_DESCRIPTION("ROCKCHIP I2S/TDM ASoC Interface"); +MODULE_AUTHOR("Sugar Zhang "); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:" DRV_NAME); +MODULE_DEVICE_TABLE(of, rockchip_i2s_tdm_match); diff --git a/sound/soc/rockchip/rockchip_i2s_tdm.h b/sound/soc/rockchip/rockchip_i2s_tdm.h new file mode 100644 index 0000000000..0aa1c6da1e --- /dev/null +++ b/sound/soc/rockchip/rockchip_i2s_tdm.h @@ -0,0 +1,398 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * ALSA SoC Audio Layer - Rockchip I2S/TDM Controller driver + * + * Copyright (c) 2018 Rockchip Electronics Co. Ltd. + * Author: Sugar Zhang + * + */ + +#ifndef _ROCKCHIP_I2S_TDM_H +#define _ROCKCHIP_I2S_TDM_H + +/* + * TXCR + * transmit operation control register + */ +#define I2S_TXCR_PATH_SHIFT(x) (23 + (x) * 2) +#define I2S_TXCR_PATH_MASK(x) (0x3 << I2S_TXCR_PATH_SHIFT(x)) +#define I2S_TXCR_PATH(x, v) ((v) << I2S_TXCR_PATH_SHIFT(x)) +#define I2S_TXCR_RCNT_SHIFT 17 +#define I2S_TXCR_RCNT_MASK (0x3f << I2S_TXCR_RCNT_SHIFT) +#define I2S_TXCR_CSR_SHIFT 15 +#define I2S_TXCR_CSR(x) ((x) << I2S_TXCR_CSR_SHIFT) +#define I2S_TXCR_CSR_MASK (3 << I2S_TXCR_CSR_SHIFT) +#define I2S_TXCR_HWT BIT(14) +#define I2S_TXCR_SJM_SHIFT 12 +#define I2S_TXCR_SJM_R (0 << I2S_TXCR_SJM_SHIFT) +#define I2S_TXCR_SJM_L (1 << I2S_TXCR_SJM_SHIFT) +#define I2S_TXCR_FBM_SHIFT 11 +#define I2S_TXCR_FBM_MSB (0 << I2S_TXCR_FBM_SHIFT) +#define I2S_TXCR_FBM_LSB (1 << I2S_TXCR_FBM_SHIFT) +#define I2S_TXCR_IBM_SHIFT 9 +#define I2S_TXCR_IBM_NORMAL (0 << I2S_TXCR_IBM_SHIFT) +#define I2S_TXCR_IBM_LSJM (1 << I2S_TXCR_IBM_SHIFT) +#define I2S_TXCR_IBM_RSJM (2 << I2S_TXCR_IBM_SHIFT) +#define I2S_TXCR_IBM_MASK (3 << I2S_TXCR_IBM_SHIFT) +#define I2S_TXCR_PBM_SHIFT 7 +#define I2S_TXCR_PBM_MODE(x) ((x) << I2S_TXCR_PBM_SHIFT) +#define I2S_TXCR_PBM_MASK (3 << I2S_TXCR_PBM_SHIFT) +#define I2S_TXCR_TFS_SHIFT 5 +#define I2S_TXCR_TFS_I2S (0 << I2S_TXCR_TFS_SHIFT) +#define I2S_TXCR_TFS_PCM (1 << I2S_TXCR_TFS_SHIFT) +#define I2S_TXCR_TFS_TDM_PCM (2 << I2S_TXCR_TFS_SHIFT) +#define I2S_TXCR_TFS_TDM_I2S (3 << I2S_TXCR_TFS_SHIFT) +#define I2S_TXCR_TFS_MASK (3 << I2S_TXCR_TFS_SHIFT) +#define I2S_TXCR_VDW_SHIFT 0 +#define I2S_TXCR_VDW(x) (((x) - 1) << I2S_TXCR_VDW_SHIFT) +#define I2S_TXCR_VDW_MASK (0x1f << I2S_TXCR_VDW_SHIFT) + +/* + * RXCR + * receive operation control register + */ +#define I2S_RXCR_PATH_SHIFT(x) (17 + (x) * 2) +#define I2S_RXCR_PATH_MASK(x) (0x3 << I2S_RXCR_PATH_SHIFT(x)) +#define I2S_RXCR_PATH(x, v) ((v) << I2S_RXCR_PATH_SHIFT(x)) +#define I2S_RXCR_CSR_SHIFT 15 +#define I2S_RXCR_CSR(x) ((x) << I2S_RXCR_CSR_SHIFT) +#define I2S_RXCR_CSR_MASK (3 << I2S_RXCR_CSR_SHIFT) +#define I2S_RXCR_HWT BIT(14) +#define I2S_RXCR_SJM_SHIFT 12 +#define I2S_RXCR_SJM_R (0 << I2S_RXCR_SJM_SHIFT) +#define I2S_RXCR_SJM_L (1 << I2S_RXCR_SJM_SHIFT) +#define I2S_RXCR_FBM_SHIFT 11 +#define I2S_RXCR_FBM_MSB (0 << I2S_RXCR_FBM_SHIFT) +#define I2S_RXCR_FBM_LSB (1 << I2S_RXCR_FBM_SHIFT) +#define I2S_RXCR_IBM_SHIFT 9 +#define I2S_RXCR_IBM_NORMAL (0 << I2S_RXCR_IBM_SHIFT) +#define I2S_RXCR_IBM_LSJM (1 << I2S_RXCR_IBM_SHIFT) +#define I2S_RXCR_IBM_RSJM (2 << I2S_RXCR_IBM_SHIFT) +#define I2S_RXCR_IBM_MASK (3 << I2S_RXCR_IBM_SHIFT) +#define I2S_RXCR_PBM_SHIFT 7 +#define I2S_RXCR_PBM_MODE(x) ((x) << I2S_RXCR_PBM_SHIFT) +#define I2S_RXCR_PBM_MASK (3 << I2S_RXCR_PBM_SHIFT) +#define I2S_RXCR_TFS_SHIFT 5 +#define I2S_RXCR_TFS_I2S (0 << I2S_RXCR_TFS_SHIFT) +#define I2S_RXCR_TFS_PCM (1 << I2S_RXCR_TFS_SHIFT) +#define I2S_RXCR_TFS_TDM_PCM (2 << I2S_RXCR_TFS_SHIFT) +#define I2S_RXCR_TFS_TDM_I2S (3 << I2S_RXCR_TFS_SHIFT) +#define I2S_RXCR_TFS_MASK (3 << I2S_RXCR_TFS_SHIFT) +#define I2S_RXCR_VDW_SHIFT 0 +#define I2S_RXCR_VDW(x) (((x) - 1) << I2S_RXCR_VDW_SHIFT) +#define I2S_RXCR_VDW_MASK (0x1f << I2S_RXCR_VDW_SHIFT) + +/* + * CKR + * clock generation register + */ +#define I2S_CKR_TRCM_SHIFT 28 +#define I2S_CKR_TRCM(x) ((x) << I2S_CKR_TRCM_SHIFT) +#define I2S_CKR_TRCM_TXRX (0 << I2S_CKR_TRCM_SHIFT) +#define I2S_CKR_TRCM_TXONLY (1 << I2S_CKR_TRCM_SHIFT) +#define I2S_CKR_TRCM_RXONLY (2 << I2S_CKR_TRCM_SHIFT) +#define I2S_CKR_TRCM_MASK (3 << I2S_CKR_TRCM_SHIFT) +#define I2S_CKR_MSS_SHIFT 27 +#define I2S_CKR_MSS_MASTER (0 << I2S_CKR_MSS_SHIFT) +#define I2S_CKR_MSS_SLAVE (1 << I2S_CKR_MSS_SHIFT) +#define I2S_CKR_MSS_MASK (1 << I2S_CKR_MSS_SHIFT) +#define I2S_CKR_CKP_SHIFT 26 +#define I2S_CKR_CKP_NORMAL (0 << I2S_CKR_CKP_SHIFT) +#define I2S_CKR_CKP_INVERTED (1 << I2S_CKR_CKP_SHIFT) +#define I2S_CKR_CKP_MASK (1 << I2S_CKR_CKP_SHIFT) +#define I2S_CKR_RLP_SHIFT 25 +#define I2S_CKR_RLP_NORMAL (0 << I2S_CKR_RLP_SHIFT) +#define I2S_CKR_RLP_INVERTED (1 << I2S_CKR_RLP_SHIFT) +#define I2S_CKR_RLP_MASK (1 << I2S_CKR_RLP_SHIFT) +#define I2S_CKR_TLP_SHIFT 24 +#define I2S_CKR_TLP_NORMAL (0 << I2S_CKR_TLP_SHIFT) +#define I2S_CKR_TLP_INVERTED (1 << I2S_CKR_TLP_SHIFT) +#define I2S_CKR_TLP_MASK (1 << I2S_CKR_TLP_SHIFT) +#define I2S_CKR_MDIV_SHIFT 16 +#define I2S_CKR_MDIV(x) (((x) - 1) << I2S_CKR_MDIV_SHIFT) +#define I2S_CKR_MDIV_MASK (0xff << I2S_CKR_MDIV_SHIFT) +#define I2S_CKR_RSD_SHIFT 8 +#define I2S_CKR_RSD(x) (((x) - 1) << I2S_CKR_RSD_SHIFT) +#define I2S_CKR_RSD_MASK (0xff << I2S_CKR_RSD_SHIFT) +#define I2S_CKR_TSD_SHIFT 0 +#define I2S_CKR_TSD(x) (((x) - 1) << I2S_CKR_TSD_SHIFT) +#define I2S_CKR_TSD_MASK (0xff << I2S_CKR_TSD_SHIFT) + +/* + * FIFOLR + * FIFO level register + */ +#define I2S_FIFOLR_RFL_SHIFT 24 +#define I2S_FIFOLR_RFL_MASK (0x3f << I2S_FIFOLR_RFL_SHIFT) +#define I2S_FIFOLR_TFL3_SHIFT 18 +#define I2S_FIFOLR_TFL3_MASK (0x3f << I2S_FIFOLR_TFL3_SHIFT) +#define I2S_FIFOLR_TFL2_SHIFT 12 +#define I2S_FIFOLR_TFL2_MASK (0x3f << I2S_FIFOLR_TFL2_SHIFT) +#define I2S_FIFOLR_TFL1_SHIFT 6 +#define I2S_FIFOLR_TFL1_MASK (0x3f << I2S_FIFOLR_TFL1_SHIFT) +#define I2S_FIFOLR_TFL0_SHIFT 0 +#define I2S_FIFOLR_TFL0_MASK (0x3f << I2S_FIFOLR_TFL0_SHIFT) + +/* + * DMACR + * DMA control register + */ +#define I2S_DMACR_RDE_SHIFT 24 +#define I2S_DMACR_RDE_DISABLE (0 << I2S_DMACR_RDE_SHIFT) +#define I2S_DMACR_RDE_ENABLE (1 << I2S_DMACR_RDE_SHIFT) +#define I2S_DMACR_RDL_SHIFT 16 +#define I2S_DMACR_RDL(x) (((x) - 1) << I2S_DMACR_RDL_SHIFT) +#define I2S_DMACR_RDL_MASK (0x1f << I2S_DMACR_RDL_SHIFT) +#define I2S_DMACR_TDE_SHIFT 8 +#define I2S_DMACR_TDE_DISABLE (0 << I2S_DMACR_TDE_SHIFT) +#define I2S_DMACR_TDE_ENABLE (1 << I2S_DMACR_TDE_SHIFT) +#define I2S_DMACR_TDL_SHIFT 0 +#define I2S_DMACR_TDL(x) ((x) << I2S_DMACR_TDL_SHIFT) +#define I2S_DMACR_TDL_MASK (0x1f << I2S_DMACR_TDL_SHIFT) + +/* + * INTCR + * interrupt control register + */ +#define I2S_INTCR_RFT_SHIFT 20 +#define I2S_INTCR_RFT(x) (((x) - 1) << I2S_INTCR_RFT_SHIFT) +#define I2S_INTCR_RXOIC BIT(18) +#define I2S_INTCR_RXOIE_SHIFT 17 +#define I2S_INTCR_RXOIE_DISABLE (0 << I2S_INTCR_RXOIE_SHIFT) +#define I2S_INTCR_RXOIE_ENABLE (1 << I2S_INTCR_RXOIE_SHIFT) +#define I2S_INTCR_RXFIE_SHIFT 16 +#define I2S_INTCR_RXFIE_DISABLE (0 << I2S_INTCR_RXFIE_SHIFT) +#define I2S_INTCR_RXFIE_ENABLE (1 << I2S_INTCR_RXFIE_SHIFT) +#define I2S_INTCR_TFT_SHIFT 4 +#define I2S_INTCR_TFT(x) (((x) - 1) << I2S_INTCR_TFT_SHIFT) +#define I2S_INTCR_TFT_MASK (0x1f << I2S_INTCR_TFT_SHIFT) +#define I2S_INTCR_TXUIC BIT(2) +#define I2S_INTCR_TXUIE_SHIFT 1 +#define I2S_INTCR_TXUIE_DISABLE (0 << I2S_INTCR_TXUIE_SHIFT) +#define I2S_INTCR_TXUIE_ENABLE (1 << I2S_INTCR_TXUIE_SHIFT) + +/* + * INTSR + * interrupt status register + */ +#define I2S_INTSR_TXEIE_SHIFT 0 +#define I2S_INTSR_TXEIE_DISABLE (0 << I2S_INTSR_TXEIE_SHIFT) +#define I2S_INTSR_TXEIE_ENABLE (1 << I2S_INTSR_TXEIE_SHIFT) +#define I2S_INTSR_RXOI_SHIFT 17 +#define I2S_INTSR_RXOI_INA (0 << I2S_INTSR_RXOI_SHIFT) +#define I2S_INTSR_RXOI_ACT (1 << I2S_INTSR_RXOI_SHIFT) +#define I2S_INTSR_RXFI_SHIFT 16 +#define I2S_INTSR_RXFI_INA (0 << I2S_INTSR_RXFI_SHIFT) +#define I2S_INTSR_RXFI_ACT (1 << I2S_INTSR_RXFI_SHIFT) +#define I2S_INTSR_TXUI_SHIFT 1 +#define I2S_INTSR_TXUI_INA (0 << I2S_INTSR_TXUI_SHIFT) +#define I2S_INTSR_TXUI_ACT (1 << I2S_INTSR_TXUI_SHIFT) +#define I2S_INTSR_TXEI_SHIFT 0 +#define I2S_INTSR_TXEI_INA (0 << I2S_INTSR_TXEI_SHIFT) +#define I2S_INTSR_TXEI_ACT (1 << I2S_INTSR_TXEI_SHIFT) + +/* + * XFER + * Transfer start register + */ +#define I2S_XFER_RXS_SHIFT 1 +#define I2S_XFER_RXS_STOP (0 << I2S_XFER_RXS_SHIFT) +#define I2S_XFER_RXS_START (1 << I2S_XFER_RXS_SHIFT) +#define I2S_XFER_TXS_SHIFT 0 +#define I2S_XFER_TXS_STOP (0 << I2S_XFER_TXS_SHIFT) +#define I2S_XFER_TXS_START (1 << I2S_XFER_TXS_SHIFT) + +/* + * CLR + * clear SCLK domain logic register + */ +#define I2S_CLR_RXC BIT(1) +#define I2S_CLR_TXC BIT(0) + +/* + * TXDR + * Transimt FIFO data register, write only. + */ +#define I2S_TXDR_MASK (0xff) + +/* + * RXDR + * Receive FIFO data register, write only. + */ +#define I2S_RXDR_MASK (0xff) + +/* + * TDM_CTRL + * TDM ctrl register + */ +#define TDM_FSYNC_WIDTH_SEL1_MSK GENMASK(20, 18) +#define TDM_FSYNC_WIDTH_SEL1(x) (((x) - 1) << 18) +#define TDM_FSYNC_WIDTH_SEL0_MSK BIT(17) +#define TDM_FSYNC_WIDTH_HALF_FRAME 0 +#define TDM_FSYNC_WIDTH_ONE_FRAME BIT(17) +#define TDM_SHIFT_CTRL_MSK GENMASK(16, 14) +#define TDM_SHIFT_CTRL(x) ((x) << 14) +#define TDM_SLOT_BIT_WIDTH_MSK GENMASK(13, 9) +#define TDM_SLOT_BIT_WIDTH(x) (((x) - 1) << 9) +#define TDM_FRAME_WIDTH_MSK GENMASK(8, 0) +#define TDM_FRAME_WIDTH(x) (((x) - 1) << 0) + +/* + * CLKDIV + * Mclk div register + */ +#define I2S_CLKDIV_TXM_SHIFT 0 +#define I2S_CLKDIV_TXM(x) (((x) - 1) << I2S_CLKDIV_TXM_SHIFT) +#define I2S_CLKDIV_TXM_MASK (0xff << I2S_CLKDIV_TXM_SHIFT) +#define I2S_CLKDIV_RXM_SHIFT 8 +#define I2S_CLKDIV_RXM(x) (((x) - 1) << I2S_CLKDIV_RXM_SHIFT) +#define I2S_CLKDIV_RXM_MASK (0xff << I2S_CLKDIV_RXM_SHIFT) + +/* Clock divider id */ +enum { + ROCKCHIP_DIV_MCLK = 0, + ROCKCHIP_DIV_BCLK, +}; + +/* channel select */ +#define I2S_CSR_SHIFT 15 +#define I2S_CHN_2 (0 << I2S_CSR_SHIFT) +#define I2S_CHN_4 (1 << I2S_CSR_SHIFT) +#define I2S_CHN_6 (2 << I2S_CSR_SHIFT) +#define I2S_CHN_8 (3 << I2S_CSR_SHIFT) + +/* io direction cfg register */ +#define I2S_IO_DIRECTION_MASK (7) +#define I2S_IO_8CH_OUT_2CH_IN (7) +#define I2S_IO_6CH_OUT_4CH_IN (3) +#define I2S_IO_4CH_OUT_6CH_IN (1) +#define I2S_IO_2CH_OUT_8CH_IN (0) + +/* I2S REGS */ +#define I2S_TXCR (0x0000) +#define I2S_RXCR (0x0004) +#define I2S_CKR (0x0008) +#define I2S_TXFIFOLR (0x000c) +#define I2S_DMACR (0x0010) +#define I2S_INTCR (0x0014) +#define I2S_INTSR (0x0018) +#define I2S_XFER (0x001c) +#define I2S_CLR (0x0020) +#define I2S_TXDR (0x0024) +#define I2S_RXDR (0x0028) +#define I2S_RXFIFOLR (0x002c) +#define I2S_TDM_TXCR (0x0030) +#define I2S_TDM_RXCR (0x0034) +#define I2S_CLKDIV (0x0038) + +#define HIWORD_UPDATE(v, h, l) (((v) << (l)) | (GENMASK((h), (l)) << 16)) + +/* PX30 GRF CONFIGS */ +#define PX30_I2S0_CLK_IN_SRC_FROM_TX HIWORD_UPDATE(1, 13, 12) +#define PX30_I2S0_CLK_IN_SRC_FROM_RX HIWORD_UPDATE(2, 13, 12) +#define PX30_I2S0_MCLK_OUT_SRC_FROM_TX HIWORD_UPDATE(1, 5, 5) +#define PX30_I2S0_MCLK_OUT_SRC_FROM_RX HIWORD_UPDATE(0, 5, 5) + +#define PX30_I2S0_CLK_TXONLY \ + (PX30_I2S0_MCLK_OUT_SRC_FROM_TX | PX30_I2S0_CLK_IN_SRC_FROM_TX) + +#define PX30_I2S0_CLK_RXONLY \ + (PX30_I2S0_MCLK_OUT_SRC_FROM_RX | PX30_I2S0_CLK_IN_SRC_FROM_RX) + +/* RK1808 GRF CONFIGS */ +#define RK1808_I2S0_MCLK_OUT_SRC_FROM_RX HIWORD_UPDATE(1, 2, 2) +#define RK1808_I2S0_MCLK_OUT_SRC_FROM_TX HIWORD_UPDATE(0, 2, 2) +#define RK1808_I2S0_CLK_IN_SRC_FROM_TX HIWORD_UPDATE(1, 1, 0) +#define RK1808_I2S0_CLK_IN_SRC_FROM_RX HIWORD_UPDATE(2, 1, 0) + +#define RK1808_I2S0_CLK_TXONLY \ + (RK1808_I2S0_MCLK_OUT_SRC_FROM_TX | RK1808_I2S0_CLK_IN_SRC_FROM_TX) + +#define RK1808_I2S0_CLK_RXONLY \ + (RK1808_I2S0_MCLK_OUT_SRC_FROM_RX | RK1808_I2S0_CLK_IN_SRC_FROM_RX) + +/* RK3308 GRF CONFIGS */ +#define RK3308_I2S0_8CH_MCLK_OUT_SRC_FROM_RX HIWORD_UPDATE(1, 10, 10) +#define RK3308_I2S0_8CH_MCLK_OUT_SRC_FROM_TX HIWORD_UPDATE(0, 10, 10) +#define RK3308_I2S0_8CH_CLK_IN_RX_SRC_FROM_TX HIWORD_UPDATE(1, 9, 9) +#define RK3308_I2S0_8CH_CLK_IN_RX_SRC_FROM_RX HIWORD_UPDATE(0, 9, 9) +#define RK3308_I2S0_8CH_CLK_IN_TX_SRC_FROM_RX HIWORD_UPDATE(1, 8, 8) +#define RK3308_I2S0_8CH_CLK_IN_TX_SRC_FROM_TX HIWORD_UPDATE(0, 8, 8) +#define RK3308_I2S1_8CH_MCLK_OUT_SRC_FROM_RX HIWORD_UPDATE(1, 2, 2) +#define RK3308_I2S1_8CH_MCLK_OUT_SRC_FROM_TX HIWORD_UPDATE(0, 2, 2) +#define RK3308_I2S1_8CH_CLK_IN_RX_SRC_FROM_TX HIWORD_UPDATE(1, 1, 1) +#define RK3308_I2S1_8CH_CLK_IN_RX_SRC_FROM_RX HIWORD_UPDATE(0, 1, 1) +#define RK3308_I2S1_8CH_CLK_IN_TX_SRC_FROM_RX HIWORD_UPDATE(1, 0, 0) +#define RK3308_I2S1_8CH_CLK_IN_TX_SRC_FROM_TX HIWORD_UPDATE(0, 0, 0) + +#define RK3308_I2S0_CLK_TXONLY \ + (RK3308_I2S0_8CH_MCLK_OUT_SRC_FROM_TX | \ + RK3308_I2S0_8CH_CLK_IN_RX_SRC_FROM_TX | \ + RK3308_I2S0_8CH_CLK_IN_TX_SRC_FROM_TX) + +#define RK3308_I2S0_CLK_RXONLY \ + (RK3308_I2S0_8CH_MCLK_OUT_SRC_FROM_RX | \ + RK3308_I2S0_8CH_CLK_IN_RX_SRC_FROM_RX | \ + RK3308_I2S0_8CH_CLK_IN_TX_SRC_FROM_RX) + +#define RK3308_I2S1_CLK_TXONLY \ + (RK3308_I2S1_8CH_MCLK_OUT_SRC_FROM_TX | \ + RK3308_I2S1_8CH_CLK_IN_RX_SRC_FROM_TX | \ + RK3308_I2S1_8CH_CLK_IN_TX_SRC_FROM_TX) + +#define RK3308_I2S1_CLK_RXONLY \ + (RK3308_I2S1_8CH_MCLK_OUT_SRC_FROM_RX | \ + RK3308_I2S1_8CH_CLK_IN_RX_SRC_FROM_RX | \ + RK3308_I2S1_8CH_CLK_IN_TX_SRC_FROM_RX) + +/* RK3568 GRF CONFIGS */ +#define RK3568_I2S1_MCLK_OUT_SRC_FROM_TX HIWORD_UPDATE(1, 5, 5) +#define RK3568_I2S1_MCLK_OUT_SRC_FROM_RX HIWORD_UPDATE(0, 5, 5) + +#define RK3568_I2S1_CLK_TXONLY \ + RK3568_I2S1_MCLK_OUT_SRC_FROM_TX + +#define RK3568_I2S1_CLK_RXONLY \ + RK3568_I2S1_MCLK_OUT_SRC_FROM_RX + +#define RK3568_I2S3_MCLK_OUT_SRC_FROM_TX HIWORD_UPDATE(1, 15, 15) +#define RK3568_I2S3_MCLK_OUT_SRC_FROM_RX HIWORD_UPDATE(0, 15, 15) +#define RK3568_I2S3_SCLK_SRC_FROM_TX HIWORD_UPDATE(1, 7, 7) +#define RK3568_I2S3_SCLK_SRC_FROM_RX HIWORD_UPDATE(0, 7, 7) +#define RK3568_I2S3_LRCK_SRC_FROM_TX HIWORD_UPDATE(1, 6, 6) +#define RK3568_I2S3_LRCK_SRC_FROM_RX HIWORD_UPDATE(0, 6, 6) + +#define RK3568_I2S3_MCLK_TXONLY \ + RK3568_I2S3_MCLK_OUT_SRC_FROM_TX + +#define RK3568_I2S3_CLK_TXONLY \ + (RK3568_I2S3_SCLK_SRC_FROM_TX | \ + RK3568_I2S3_LRCK_SRC_FROM_TX) + +#define RK3568_I2S3_MCLK_RXONLY \ + RK3568_I2S3_MCLK_OUT_SRC_FROM_RX + +#define RK3568_I2S3_CLK_RXONLY \ + (RK3568_I2S3_SCLK_SRC_FROM_RX | \ + RK3568_I2S3_LRCK_SRC_FROM_RX) + +#define RK3568_I2S3_MCLK_IE HIWORD_UPDATE(0, 3, 3) +#define RK3568_I2S3_MCLK_OE HIWORD_UPDATE(1, 3, 3) +#define RK3568_I2S2_MCLK_IE HIWORD_UPDATE(0, 2, 2) +#define RK3568_I2S2_MCLK_OE HIWORD_UPDATE(1, 2, 2) +#define RK3568_I2S1_MCLK_TX_IE HIWORD_UPDATE(0, 1, 1) +#define RK3568_I2S1_MCLK_TX_OE HIWORD_UPDATE(1, 1, 1) +#define RK3568_I2S1_MCLK_RX_IE HIWORD_UPDATE(0, 0, 0) +#define RK3568_I2S1_MCLK_RX_OE HIWORD_UPDATE(1, 0, 0) + +/* RV1126 GRF CONFIGS */ +#define RV1126_I2S0_MCLK_OUT_SRC_FROM_TX HIWORD_UPDATE(0, 9, 9) +#define RV1126_I2S0_MCLK_OUT_SRC_FROM_RX HIWORD_UPDATE(1, 9, 9) + +#define RV1126_I2S0_CLK_TXONLY \ + RV1126_I2S0_MCLK_OUT_SRC_FROM_TX + +#define RV1126_I2S0_CLK_RXONLY \ + RV1126_I2S0_MCLK_OUT_SRC_FROM_RX + +#endif /* _ROCKCHIP_I2S_TDM_H */ diff --git a/sound/soc/rockchip/rockchip_max98090.c b/sound/soc/rockchip/rockchip_max98090.c new file mode 100644 index 0000000000..150ac524a5 --- /dev/null +++ b/sound/soc/rockchip/rockchip_max98090.c @@ -0,0 +1,471 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Rockchip machine ASoC driver for boards using a MAX90809 CODEC. + * + * Copyright (c) 2014, ROCKCHIP CORPORATION. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "rockchip_i2s.h" +#include "../codecs/ts3a227e.h" + +#define DRV_NAME "rockchip-snd-max98090" + +static struct snd_soc_jack headset_jack; + +/* Headset jack detection DAPM pins */ +static struct snd_soc_jack_pin headset_jack_pins[] = { + { + .pin = "Headphone", + .mask = SND_JACK_HEADPHONE, + }, + { + .pin = "Headset Mic", + .mask = SND_JACK_MICROPHONE, + }, + +}; + +#define RK_MAX98090_WIDGETS \ + SND_SOC_DAPM_HP("Headphone", NULL), \ + SND_SOC_DAPM_MIC("Headset Mic", NULL), \ + SND_SOC_DAPM_MIC("Int Mic", NULL), \ + SND_SOC_DAPM_SPK("Speaker", NULL) + +#define RK_HDMI_WIDGETS \ + SND_SOC_DAPM_LINE("HDMI", NULL) + +static const struct snd_soc_dapm_widget rk_max98090_dapm_widgets[] = { + RK_MAX98090_WIDGETS, +}; + +static const struct snd_soc_dapm_widget rk_hdmi_dapm_widgets[] = { + RK_HDMI_WIDGETS, +}; + +static const struct snd_soc_dapm_widget rk_max98090_hdmi_dapm_widgets[] = { + RK_MAX98090_WIDGETS, + RK_HDMI_WIDGETS, +}; + +#define RK_MAX98090_AUDIO_MAP \ + {"IN34", NULL, "Headset Mic"}, \ + {"Headset Mic", NULL, "MICBIAS"}, \ + {"DMICL", NULL, "Int Mic"}, \ + {"Headphone", NULL, "HPL"}, \ + {"Headphone", NULL, "HPR"}, \ + {"Speaker", NULL, "SPKL"}, \ + {"Speaker", NULL, "SPKR"} + +#define RK_HDMI_AUDIO_MAP \ + {"HDMI", NULL, "TX"} + +static const struct snd_soc_dapm_route rk_max98090_audio_map[] = { + RK_MAX98090_AUDIO_MAP, +}; + +static const struct snd_soc_dapm_route rk_hdmi_audio_map[] = { + RK_HDMI_AUDIO_MAP, +}; + +static const struct snd_soc_dapm_route rk_max98090_hdmi_audio_map[] = { + RK_MAX98090_AUDIO_MAP, + RK_HDMI_AUDIO_MAP, +}; + +#define RK_MAX98090_CONTROLS \ + SOC_DAPM_PIN_SWITCH("Headphone"), \ + SOC_DAPM_PIN_SWITCH("Headset Mic"), \ + SOC_DAPM_PIN_SWITCH("Int Mic"), \ + SOC_DAPM_PIN_SWITCH("Speaker") + +#define RK_HDMI_CONTROLS \ + SOC_DAPM_PIN_SWITCH("HDMI") + +static const struct snd_kcontrol_new rk_max98090_controls[] = { + RK_MAX98090_CONTROLS, +}; + +static const struct snd_kcontrol_new rk_hdmi_controls[] = { + RK_HDMI_CONTROLS, +}; + +static const struct snd_kcontrol_new rk_max98090_hdmi_controls[] = { + RK_MAX98090_CONTROLS, + RK_HDMI_CONTROLS, +}; + +static int rk_jack_event(struct notifier_block *nb, unsigned long event, + void *data) +{ + struct snd_soc_jack *jack = (struct snd_soc_jack *)data; + struct snd_soc_dapm_context *dapm = &jack->card->dapm; + + if (event & SND_JACK_MICROPHONE) { + snd_soc_dapm_force_enable_pin(dapm, "MICBIAS"); + snd_soc_dapm_force_enable_pin(dapm, "SHDN"); + } else { + snd_soc_dapm_disable_pin(dapm, "MICBIAS"); + snd_soc_dapm_disable_pin(dapm, "SHDN"); + } + + snd_soc_dapm_sync(dapm); + + return 0; +} + +static struct notifier_block rk_jack_nb = { + .notifier_call = rk_jack_event, +}; + +static int rk_init(struct snd_soc_pcm_runtime *runtime) +{ + /* + * The jack has already been created in the rk_98090_headset_init() + * function. + */ + snd_soc_jack_notifier_register(&headset_jack, &rk_jack_nb); + + return 0; +} + +static int rk_aif1_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + int ret = 0; + 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; + + 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) { + dev_err(cpu_dai->dev, "Can't set cpu dai clock %d\n", ret); + return ret; + } + + ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk, + SND_SOC_CLOCK_IN); + + /* HDMI codec dai does not need to set sysclk. */ + if (!strcmp(rtd->dai_link->name, "HDMI")) + return 0; + + if (ret) { + dev_err(codec_dai->dev, "Can't set codec dai clock %d\n", ret); + return ret; + } + + return ret; +} + +static int rk_aif1_startup(struct snd_pcm_substream *substream) +{ + /* + * Set period size to 240 because pl330 has issue + * dealing with larger period in stress testing. + */ + return snd_pcm_hw_constraint_minmax(substream->runtime, + SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 240, 240); +} + +static const struct snd_soc_ops rk_aif1_ops = { + .hw_params = rk_aif1_hw_params, + .startup = rk_aif1_startup, +}; + +SND_SOC_DAILINK_DEFS(analog, + DAILINK_COMP_ARRAY(COMP_EMPTY()), + DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "HiFi")), + DAILINK_COMP_ARRAY(COMP_EMPTY())); + +SND_SOC_DAILINK_DEFS(hdmi, + DAILINK_COMP_ARRAY(COMP_EMPTY()), + DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "i2s-hifi")), + DAILINK_COMP_ARRAY(COMP_EMPTY())); + +enum { + DAILINK_MAX98090, + DAILINK_HDMI, +}; + +static struct snd_soc_jack rk_hdmi_jack; + +static int rk_hdmi_init(struct snd_soc_pcm_runtime *runtime) +{ + struct snd_soc_card *card = runtime->card; + struct snd_soc_component *component = asoc_rtd_to_codec(runtime, 0)->component; + int ret; + + /* enable jack detection */ + ret = snd_soc_card_jack_new(card, "HDMI Jack", SND_JACK_LINEOUT, + &rk_hdmi_jack); + if (ret) { + dev_err(card->dev, "Can't new HDMI Jack %d\n", ret); + return ret; + } + + return snd_soc_component_set_jack(component, &rk_hdmi_jack, NULL); +} + +/* max98090 dai_link */ +static struct snd_soc_dai_link rk_max98090_dailinks[] = { + { + .name = "max98090", + .stream_name = "Analog", + .init = rk_init, + .ops = &rk_aif1_ops, + /* set max98090 as slave */ + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS, + SND_SOC_DAILINK_REG(analog), + }, +}; + +/* HDMI codec dai_link */ +static struct snd_soc_dai_link rk_hdmi_dailinks[] = { + { + .name = "HDMI", + .stream_name = "HDMI", + .init = rk_hdmi_init, + .ops = &rk_aif1_ops, + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS, + SND_SOC_DAILINK_REG(hdmi), + } +}; + +/* max98090 and HDMI codec dai_link */ +static struct snd_soc_dai_link rk_max98090_hdmi_dailinks[] = { + [DAILINK_MAX98090] = { + .name = "max98090", + .stream_name = "Analog", + .init = rk_init, + .ops = &rk_aif1_ops, + /* set max98090 as slave */ + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS, + SND_SOC_DAILINK_REG(analog), + }, + [DAILINK_HDMI] = { + .name = "HDMI", + .stream_name = "HDMI", + .init = rk_hdmi_init, + .ops = &rk_aif1_ops, + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS, + SND_SOC_DAILINK_REG(hdmi), + } +}; + +static int rk_98090_headset_init(struct snd_soc_component *component); + +static struct snd_soc_aux_dev rk_98090_headset_dev = { + .dlc = COMP_EMPTY(), + .init = rk_98090_headset_init, +}; + +static struct snd_soc_card rockchip_max98090_card = { + .name = "ROCKCHIP-I2S", + .owner = THIS_MODULE, + .dai_link = rk_max98090_dailinks, + .num_links = ARRAY_SIZE(rk_max98090_dailinks), + .aux_dev = &rk_98090_headset_dev, + .num_aux_devs = 1, + .dapm_widgets = rk_max98090_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(rk_max98090_dapm_widgets), + .dapm_routes = rk_max98090_audio_map, + .num_dapm_routes = ARRAY_SIZE(rk_max98090_audio_map), + .controls = rk_max98090_controls, + .num_controls = ARRAY_SIZE(rk_max98090_controls), +}; + +static struct snd_soc_card rockchip_hdmi_card = { + .name = "ROCKCHIP-HDMI", + .owner = THIS_MODULE, + .dai_link = rk_hdmi_dailinks, + .num_links = ARRAY_SIZE(rk_hdmi_dailinks), + .dapm_widgets = rk_hdmi_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(rk_hdmi_dapm_widgets), + .dapm_routes = rk_hdmi_audio_map, + .num_dapm_routes = ARRAY_SIZE(rk_hdmi_audio_map), + .controls = rk_hdmi_controls, + .num_controls = ARRAY_SIZE(rk_hdmi_controls), +}; + +static struct snd_soc_card rockchip_max98090_hdmi_card = { + .name = "ROCKCHIP-MAX98090-HDMI", + .owner = THIS_MODULE, + .dai_link = rk_max98090_hdmi_dailinks, + .num_links = ARRAY_SIZE(rk_max98090_hdmi_dailinks), + .aux_dev = &rk_98090_headset_dev, + .num_aux_devs = 1, + .dapm_widgets = rk_max98090_hdmi_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(rk_max98090_hdmi_dapm_widgets), + .dapm_routes = rk_max98090_hdmi_audio_map, + .num_dapm_routes = ARRAY_SIZE(rk_max98090_hdmi_audio_map), + .controls = rk_max98090_hdmi_controls, + .num_controls = ARRAY_SIZE(rk_max98090_hdmi_controls), +}; + +static int rk_98090_headset_init(struct snd_soc_component *component) +{ + int ret; + + /* Enable Headset and 4 Buttons Jack detection */ + ret = snd_soc_card_jack_new_pins(component->card, "Headset Jack", + SND_JACK_HEADSET | + SND_JACK_BTN_0 | SND_JACK_BTN_1 | + SND_JACK_BTN_2 | SND_JACK_BTN_3, + &headset_jack, + headset_jack_pins, + ARRAY_SIZE(headset_jack_pins)); + if (ret) + return ret; + + ret = ts3a227e_enable_jack_detect(component, &headset_jack); + + return ret; +} + +static int rk_parse_headset_from_of(struct device *dev, struct device_node *np) +{ + rk_98090_headset_dev.dlc.of_node = of_parse_phandle( + np, "rockchip,headset-codec", 0); + if (!rk_98090_headset_dev.dlc.of_node) { + dev_err(dev, + "Property 'rockchip,headset-codec' missing/invalid\n"); + return -EINVAL; + } + return 0; +} + +static int snd_rk_mc_probe(struct platform_device *pdev) +{ + int ret = 0; + struct snd_soc_card *card; + struct device *dev = &pdev->dev; + struct device_node *np = pdev->dev.of_node; + struct device_node *np_cpu; + struct device_node *np_audio, *np_hdmi; + + /* Parse DTS for I2S controller. */ + np_cpu = of_parse_phandle(np, "rockchip,i2s-controller", 0); + + if (!np_cpu) { + dev_err(&pdev->dev, + "Property 'rockchip,i2s-controller missing or invalid\n"); + return -EINVAL; + } + + /* + * Find the card to use based on the presences of audio codec + * and hdmi codec in device property. Set their of_node accordingly. + */ + np_audio = of_parse_phandle(np, "rockchip,audio-codec", 0); + np_hdmi = of_parse_phandle(np, "rockchip,hdmi-codec", 0); + if (np_audio && np_hdmi) { + card = &rockchip_max98090_hdmi_card; + card->dai_link[DAILINK_MAX98090].codecs->of_node = np_audio; + card->dai_link[DAILINK_HDMI].codecs->of_node = np_hdmi; + card->dai_link[DAILINK_MAX98090].cpus->of_node = np_cpu; + card->dai_link[DAILINK_MAX98090].platforms->of_node = np_cpu; + card->dai_link[DAILINK_HDMI].cpus->of_node = np_cpu; + card->dai_link[DAILINK_HDMI].platforms->of_node = np_cpu; + } else if (np_audio) { + card = &rockchip_max98090_card; + card->dai_link[0].codecs->of_node = np_audio; + card->dai_link[0].cpus->of_node = np_cpu; + card->dai_link[0].platforms->of_node = np_cpu; + } else if (np_hdmi) { + card = &rockchip_hdmi_card; + card->dai_link[0].codecs->of_node = np_hdmi; + card->dai_link[0].cpus->of_node = np_cpu; + card->dai_link[0].platforms->of_node = np_cpu; + } else { + dev_err(dev, "At least one of codecs should be specified\n"); + return -EINVAL; + } + + card->dev = dev; + + /* Parse headset detection codec. */ + if (np_audio) { + ret = rk_parse_headset_from_of(dev, np); + if (ret) + return ret; + } + + /* Parse card name. */ + ret = snd_soc_of_parse_card_name(card, "rockchip,model"); + if (ret) { + dev_err(&pdev->dev, + "Soc parse card name failed %d\n", ret); + return ret; + } + + /* register the soc card */ + ret = devm_snd_soc_register_card(&pdev->dev, card); + if (ret) { + dev_err(&pdev->dev, + "Soc register card failed %d\n", ret); + return ret; + } + + return ret; +} + +static const struct of_device_id rockchip_max98090_of_match[] = { + { .compatible = "rockchip,rockchip-audio-max98090", }, + {}, +}; + +MODULE_DEVICE_TABLE(of, rockchip_max98090_of_match); + +static struct platform_driver snd_rk_mc_driver = { + .probe = snd_rk_mc_probe, + .driver = { + .name = DRV_NAME, + .pm = &snd_soc_pm_ops, + .of_match_table = rockchip_max98090_of_match, + }, +}; + +module_platform_driver(snd_rk_mc_driver); + +MODULE_AUTHOR("jianqun "); +MODULE_DESCRIPTION("Rockchip max98090 machine ASoC driver"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:" DRV_NAME); diff --git a/sound/soc/rockchip/rockchip_pdm.c b/sound/soc/rockchip/rockchip_pdm.c new file mode 100644 index 0000000000..4756cfc232 --- /dev/null +++ b/sound/soc/rockchip/rockchip_pdm.c @@ -0,0 +1,723 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Rockchip PDM ALSA SoC Digital Audio Interface(DAI) driver + * + * Copyright (C) 2017 Fuzhou Rockchip Electronics Co., Ltd + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "rockchip_pdm.h" + +#define PDM_DMA_BURST_SIZE (8) /* size * width: 8*4 = 32 bytes */ +#define PDM_SIGNOFF_CLK_RATE (100000000) +#define PDM_PATH_MAX (4) + +enum rk_pdm_version { + RK_PDM_RK3229, + RK_PDM_RK3308, + RK_PDM_RV1126, +}; + +struct rk_pdm_dev { + struct device *dev; + struct clk *clk; + struct clk *hclk; + struct regmap *regmap; + struct snd_dmaengine_dai_dma_data capture_dma_data; + struct reset_control *reset; + enum rk_pdm_version version; +}; + +struct rk_pdm_clkref { + unsigned int sr; + unsigned int clk; + unsigned int clk_out; +}; + +struct rk_pdm_ds_ratio { + unsigned int ratio; + unsigned int sr; +}; + +static struct rk_pdm_clkref clkref[] = { + { 8000, 40960000, 2048000 }, + { 11025, 56448000, 2822400 }, + { 12000, 61440000, 3072000 }, + { 8000, 98304000, 2048000 }, + { 12000, 98304000, 3072000 }, +}; + +static struct rk_pdm_ds_ratio ds_ratio[] = { + { 0, 192000 }, + { 0, 176400 }, + { 0, 128000 }, + { 1, 96000 }, + { 1, 88200 }, + { 1, 64000 }, + { 2, 48000 }, + { 2, 44100 }, + { 2, 32000 }, + { 3, 24000 }, + { 3, 22050 }, + { 3, 16000 }, + { 4, 12000 }, + { 4, 11025 }, + { 4, 8000 }, +}; + +static unsigned int get_pdm_clk(struct rk_pdm_dev *pdm, unsigned int sr, + unsigned int *clk_src, unsigned int *clk_out) +{ + unsigned int i, count, clk, div, rate; + + clk = 0; + if (!sr) + return clk; + + count = ARRAY_SIZE(clkref); + for (i = 0; i < count; i++) { + if (sr % clkref[i].sr) + continue; + div = sr / clkref[i].sr; + if ((div & (div - 1)) == 0) { + *clk_out = clkref[i].clk_out; + rate = clk_round_rate(pdm->clk, clkref[i].clk); + if (rate != clkref[i].clk) + continue; + clk = clkref[i].clk; + *clk_src = clkref[i].clk; + break; + } + } + + if (!clk) { + clk = clk_round_rate(pdm->clk, PDM_SIGNOFF_CLK_RATE); + *clk_src = clk; + } + return clk; +} + +static unsigned int get_pdm_ds_ratio(unsigned int sr) +{ + unsigned int i, count, ratio; + + ratio = 0; + if (!sr) + return ratio; + + count = ARRAY_SIZE(ds_ratio); + for (i = 0; i < count; i++) { + if (sr == ds_ratio[i].sr) + ratio = ds_ratio[i].ratio; + } + return ratio; +} + +static unsigned int get_pdm_cic_ratio(unsigned int clk) +{ + switch (clk) { + case 4096000: + case 5644800: + case 6144000: + return 0; + case 2048000: + case 2822400: + case 3072000: + return 1; + case 1024000: + case 1411200: + case 1536000: + return 2; + default: + return 1; + } +} + +static unsigned int samplerate_to_bit(unsigned int samplerate) +{ + switch (samplerate) { + case 8000: + case 11025: + case 12000: + return 0; + case 16000: + case 22050: + case 24000: + return 1; + case 32000: + return 2; + case 44100: + case 48000: + return 3; + case 64000: + case 88200: + case 96000: + return 4; + case 128000: + case 176400: + case 192000: + return 5; + default: + return 1; + } +} + +static inline struct rk_pdm_dev *to_info(struct snd_soc_dai *dai) +{ + return snd_soc_dai_get_drvdata(dai); +} + +static void rockchip_pdm_rxctrl(struct rk_pdm_dev *pdm, int on) +{ + if (on) { + regmap_update_bits(pdm->regmap, PDM_DMA_CTRL, + PDM_DMA_RD_MSK, PDM_DMA_RD_EN); + regmap_update_bits(pdm->regmap, PDM_SYSCONFIG, + PDM_RX_MASK, PDM_RX_START); + } else { + regmap_update_bits(pdm->regmap, PDM_DMA_CTRL, + PDM_DMA_RD_MSK, PDM_DMA_RD_DIS); + regmap_update_bits(pdm->regmap, PDM_SYSCONFIG, + PDM_RX_MASK | PDM_RX_CLR_MASK, + PDM_RX_STOP | PDM_RX_CLR_WR); + } +} + +static int rockchip_pdm_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct rk_pdm_dev *pdm = to_info(dai); + unsigned int val = 0; + unsigned int clk_rate, clk_div, samplerate; + unsigned int clk_src, clk_out = 0; + unsigned long m, n; + bool change; + int ret; + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + return 0; + + samplerate = params_rate(params); + clk_rate = get_pdm_clk(pdm, samplerate, &clk_src, &clk_out); + if (!clk_rate) + return -EINVAL; + + ret = clk_set_rate(pdm->clk, clk_src); + if (ret) + return -EINVAL; + + if (pdm->version == RK_PDM_RK3308 || + pdm->version == RK_PDM_RV1126) { + rational_best_approximation(clk_out, clk_src, + GENMASK(16 - 1, 0), + GENMASK(16 - 1, 0), + &m, &n); + + val = (m << PDM_FD_NUMERATOR_SFT) | + (n << PDM_FD_DENOMINATOR_SFT); + regmap_update_bits_check(pdm->regmap, PDM_CTRL1, + PDM_FD_NUMERATOR_MSK | + PDM_FD_DENOMINATOR_MSK, + val, &change); + if (change) { + reset_control_assert(pdm->reset); + reset_control_deassert(pdm->reset); + rockchip_pdm_rxctrl(pdm, 0); + } + clk_div = n / m; + if (clk_div >= 40) + val = PDM_CLK_FD_RATIO_40; + else if (clk_div <= 35) + val = PDM_CLK_FD_RATIO_35; + else + return -EINVAL; + regmap_update_bits(pdm->regmap, PDM_CLK_CTRL, + PDM_CLK_FD_RATIO_MSK, + val); + } + + if (pdm->version == RK_PDM_RV1126) { + val = get_pdm_cic_ratio(clk_out); + regmap_update_bits(pdm->regmap, PDM_CLK_CTRL, PDM_CIC_RATIO_MSK, val); + val = samplerate_to_bit(samplerate); + regmap_update_bits(pdm->regmap, PDM_CTRL0, + PDM_SAMPLERATE_MSK, PDM_SAMPLERATE(val)); + } else { + val = get_pdm_ds_ratio(samplerate); + regmap_update_bits(pdm->regmap, PDM_CLK_CTRL, PDM_DS_RATIO_MSK, val); + } + + regmap_update_bits(pdm->regmap, PDM_HPF_CTRL, + PDM_HPF_CF_MSK, PDM_HPF_60HZ); + regmap_update_bits(pdm->regmap, PDM_HPF_CTRL, + PDM_HPF_LE | PDM_HPF_RE, PDM_HPF_LE | PDM_HPF_RE); + regmap_update_bits(pdm->regmap, PDM_CLK_CTRL, PDM_CLK_EN, PDM_CLK_EN); + if (pdm->version != RK_PDM_RK3229) + regmap_update_bits(pdm->regmap, PDM_CTRL0, + PDM_MODE_MSK, PDM_MODE_LJ); + + val = 0; + switch (params_format(params)) { + case SNDRV_PCM_FORMAT_S8: + val |= PDM_VDW(8); + break; + case SNDRV_PCM_FORMAT_S16_LE: + val |= PDM_VDW(16); + break; + case SNDRV_PCM_FORMAT_S20_3LE: + val |= PDM_VDW(20); + break; + case SNDRV_PCM_FORMAT_S24_LE: + val |= PDM_VDW(24); + break; + case SNDRV_PCM_FORMAT_S32_LE: + val |= PDM_VDW(32); + break; + default: + return -EINVAL; + } + + switch (params_channels(params)) { + case 8: + val |= PDM_PATH3_EN; + fallthrough; + case 6: + val |= PDM_PATH2_EN; + fallthrough; + case 4: + val |= PDM_PATH1_EN; + fallthrough; + case 2: + val |= PDM_PATH0_EN; + break; + default: + dev_err(pdm->dev, "invalid channel: %d\n", + params_channels(params)); + return -EINVAL; + } + + regmap_update_bits(pdm->regmap, PDM_CTRL0, + PDM_PATH_MSK | PDM_VDW_MSK, + val); + /* all channels share the single FIFO */ + regmap_update_bits(pdm->regmap, PDM_DMA_CTRL, PDM_DMA_RDL_MSK, + PDM_DMA_RDL(8 * params_channels(params))); + + return 0; +} + +static int rockchip_pdm_set_fmt(struct snd_soc_dai *cpu_dai, + unsigned int fmt) +{ + struct rk_pdm_dev *pdm = to_info(cpu_dai); + unsigned int mask = 0, val = 0; + + mask = PDM_CKP_MSK; + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + val = PDM_CKP_NORMAL; + break; + case SND_SOC_DAIFMT_IB_NF: + val = PDM_CKP_INVERTED; + break; + default: + return -EINVAL; + } + + pm_runtime_get_sync(cpu_dai->dev); + regmap_update_bits(pdm->regmap, PDM_CLK_CTRL, mask, val); + pm_runtime_put(cpu_dai->dev); + + return 0; +} + +static int rockchip_pdm_trigger(struct snd_pcm_substream *substream, int cmd, + struct snd_soc_dai *dai) +{ + struct rk_pdm_dev *pdm = to_info(dai); + int ret = 0; + + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_RESUME: + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) + rockchip_pdm_rxctrl(pdm, 1); + break; + case SNDRV_PCM_TRIGGER_SUSPEND: + case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) + rockchip_pdm_rxctrl(pdm, 0); + break; + default: + ret = -EINVAL; + break; + } + + return ret; +} + +static int rockchip_pdm_dai_probe(struct snd_soc_dai *dai) +{ + struct rk_pdm_dev *pdm = to_info(dai); + + snd_soc_dai_dma_data_set_capture(dai, &pdm->capture_dma_data); + + return 0; +} + +static const struct snd_soc_dai_ops rockchip_pdm_dai_ops = { + .probe = rockchip_pdm_dai_probe, + .set_fmt = rockchip_pdm_set_fmt, + .trigger = rockchip_pdm_trigger, + .hw_params = rockchip_pdm_hw_params, +}; + +#define ROCKCHIP_PDM_RATES SNDRV_PCM_RATE_8000_192000 +#define ROCKCHIP_PDM_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \ + SNDRV_PCM_FMTBIT_S20_3LE | \ + SNDRV_PCM_FMTBIT_S24_LE | \ + SNDRV_PCM_FMTBIT_S32_LE) + +static struct snd_soc_dai_driver rockchip_pdm_dai = { + .capture = { + .stream_name = "Capture", + .channels_min = 2, + .channels_max = 8, + .rates = ROCKCHIP_PDM_RATES, + .formats = ROCKCHIP_PDM_FORMATS, + }, + .ops = &rockchip_pdm_dai_ops, + .symmetric_rate = 1, +}; + +static const struct snd_soc_component_driver rockchip_pdm_component = { + .name = "rockchip-pdm", + .legacy_dai_naming = 1, +}; + +static int rockchip_pdm_runtime_suspend(struct device *dev) +{ + struct rk_pdm_dev *pdm = dev_get_drvdata(dev); + + clk_disable_unprepare(pdm->clk); + clk_disable_unprepare(pdm->hclk); + + return 0; +} + +static int rockchip_pdm_runtime_resume(struct device *dev) +{ + struct rk_pdm_dev *pdm = dev_get_drvdata(dev); + int ret; + + ret = clk_prepare_enable(pdm->clk); + if (ret) { + dev_err(pdm->dev, "clock enable failed %d\n", ret); + return ret; + } + + ret = clk_prepare_enable(pdm->hclk); + if (ret) { + clk_disable_unprepare(pdm->clk); + dev_err(pdm->dev, "hclock enable failed %d\n", ret); + return ret; + } + + return 0; +} + +static bool rockchip_pdm_wr_reg(struct device *dev, unsigned int reg) +{ + switch (reg) { + case PDM_SYSCONFIG: + case PDM_CTRL0: + case PDM_CTRL1: + case PDM_CLK_CTRL: + case PDM_HPF_CTRL: + case PDM_FIFO_CTRL: + case PDM_DMA_CTRL: + case PDM_INT_EN: + case PDM_INT_CLR: + case PDM_DATA_VALID: + return true; + default: + return false; + } +} + +static bool rockchip_pdm_rd_reg(struct device *dev, unsigned int reg) +{ + switch (reg) { + case PDM_SYSCONFIG: + case PDM_CTRL0: + case PDM_CTRL1: + case PDM_CLK_CTRL: + case PDM_HPF_CTRL: + case PDM_FIFO_CTRL: + case PDM_DMA_CTRL: + case PDM_INT_EN: + case PDM_INT_CLR: + case PDM_INT_ST: + case PDM_DATA_VALID: + case PDM_RXFIFO_DATA: + case PDM_VERSION: + return true; + default: + return false; + } +} + +static bool rockchip_pdm_volatile_reg(struct device *dev, unsigned int reg) +{ + switch (reg) { + case PDM_SYSCONFIG: + case PDM_FIFO_CTRL: + case PDM_INT_CLR: + case PDM_INT_ST: + case PDM_RXFIFO_DATA: + return true; + default: + return false; + } +} + +static bool rockchip_pdm_precious_reg(struct device *dev, unsigned int reg) +{ + switch (reg) { + case PDM_RXFIFO_DATA: + return true; + default: + return false; + } +} + +static const struct reg_default rockchip_pdm_reg_defaults[] = { + { PDM_CTRL0, 0x78000017 }, + { PDM_CTRL1, 0x0bb8ea60 }, + { PDM_CLK_CTRL, 0x0000e401 }, + { PDM_DMA_CTRL, 0x0000001f }, +}; + +static const struct regmap_config rockchip_pdm_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + .max_register = PDM_VERSION, + .reg_defaults = rockchip_pdm_reg_defaults, + .num_reg_defaults = ARRAY_SIZE(rockchip_pdm_reg_defaults), + .writeable_reg = rockchip_pdm_wr_reg, + .readable_reg = rockchip_pdm_rd_reg, + .volatile_reg = rockchip_pdm_volatile_reg, + .precious_reg = rockchip_pdm_precious_reg, + .cache_type = REGCACHE_FLAT, +}; + +static const struct of_device_id rockchip_pdm_match[] __maybe_unused = { + { .compatible = "rockchip,pdm", + .data = (void *)RK_PDM_RK3229 }, + { .compatible = "rockchip,px30-pdm", + .data = (void *)RK_PDM_RK3308 }, + { .compatible = "rockchip,rk1808-pdm", + .data = (void *)RK_PDM_RK3308 }, + { .compatible = "rockchip,rk3308-pdm", + .data = (void *)RK_PDM_RK3308 }, + { .compatible = "rockchip,rk3568-pdm", + .data = (void *)RK_PDM_RV1126 }, + { .compatible = "rockchip,rv1126-pdm", + .data = (void *)RK_PDM_RV1126 }, + {}, +}; +MODULE_DEVICE_TABLE(of, rockchip_pdm_match); + +static int rockchip_pdm_path_parse(struct rk_pdm_dev *pdm, struct device_node *node) +{ + unsigned int path[PDM_PATH_MAX]; + int cnt = 0, ret = 0, i = 0, val = 0, msk = 0; + + cnt = of_count_phandle_with_args(node, "rockchip,path-map", + NULL); + if (cnt != PDM_PATH_MAX) + return cnt; + + ret = of_property_read_u32_array(node, "rockchip,path-map", + path, cnt); + if (ret) + return ret; + + for (i = 0; i < cnt; i++) { + if (path[i] >= PDM_PATH_MAX) + return -EINVAL; + msk |= PDM_PATH_MASK(i); + val |= PDM_PATH(i, path[i]); + } + + regmap_update_bits(pdm->regmap, PDM_CLK_CTRL, msk, val); + + return 0; +} + +static int rockchip_pdm_probe(struct platform_device *pdev) +{ + struct device_node *node = pdev->dev.of_node; + const struct of_device_id *match; + struct rk_pdm_dev *pdm; + struct resource *res; + void __iomem *regs; + int ret; + + pdm = devm_kzalloc(&pdev->dev, sizeof(*pdm), GFP_KERNEL); + if (!pdm) + return -ENOMEM; + + match = of_match_device(rockchip_pdm_match, &pdev->dev); + if (match) + pdm->version = (uintptr_t)match->data; + + if (pdm->version == RK_PDM_RK3308) { + pdm->reset = devm_reset_control_get(&pdev->dev, "pdm-m"); + if (IS_ERR(pdm->reset)) + return PTR_ERR(pdm->reset); + } + + regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res); + if (IS_ERR(regs)) + return PTR_ERR(regs); + + pdm->regmap = devm_regmap_init_mmio(&pdev->dev, regs, + &rockchip_pdm_regmap_config); + if (IS_ERR(pdm->regmap)) + return PTR_ERR(pdm->regmap); + + pdm->capture_dma_data.addr = res->start + PDM_RXFIFO_DATA; + pdm->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; + pdm->capture_dma_data.maxburst = PDM_DMA_BURST_SIZE; + + pdm->dev = &pdev->dev; + dev_set_drvdata(&pdev->dev, pdm); + + pdm->clk = devm_clk_get(&pdev->dev, "pdm_clk"); + if (IS_ERR(pdm->clk)) + return PTR_ERR(pdm->clk); + + pdm->hclk = devm_clk_get(&pdev->dev, "pdm_hclk"); + if (IS_ERR(pdm->hclk)) + return PTR_ERR(pdm->hclk); + + ret = clk_prepare_enable(pdm->hclk); + if (ret) + return ret; + + pm_runtime_enable(&pdev->dev); + if (!pm_runtime_enabled(&pdev->dev)) { + ret = rockchip_pdm_runtime_resume(&pdev->dev); + if (ret) + goto err_pm_disable; + } + + ret = devm_snd_soc_register_component(&pdev->dev, + &rockchip_pdm_component, + &rockchip_pdm_dai, 1); + + if (ret) { + dev_err(&pdev->dev, "could not register dai: %d\n", ret); + goto err_suspend; + } + + rockchip_pdm_rxctrl(pdm, 0); + + ret = rockchip_pdm_path_parse(pdm, node); + if (ret != 0 && ret != -ENOENT) + goto err_suspend; + + ret = devm_snd_dmaengine_pcm_register(&pdev->dev, NULL, 0); + if (ret) { + dev_err(&pdev->dev, "could not register pcm: %d\n", ret); + goto err_suspend; + } + + return 0; + +err_suspend: + if (!pm_runtime_status_suspended(&pdev->dev)) + rockchip_pdm_runtime_suspend(&pdev->dev); +err_pm_disable: + pm_runtime_disable(&pdev->dev); + + clk_disable_unprepare(pdm->hclk); + + return ret; +} + +static void rockchip_pdm_remove(struct platform_device *pdev) +{ + struct rk_pdm_dev *pdm = dev_get_drvdata(&pdev->dev); + + pm_runtime_disable(&pdev->dev); + if (!pm_runtime_status_suspended(&pdev->dev)) + rockchip_pdm_runtime_suspend(&pdev->dev); + + clk_disable_unprepare(pdm->clk); + clk_disable_unprepare(pdm->hclk); +} + +#ifdef CONFIG_PM_SLEEP +static int rockchip_pdm_suspend(struct device *dev) +{ + struct rk_pdm_dev *pdm = dev_get_drvdata(dev); + + regcache_mark_dirty(pdm->regmap); + + return 0; +} + +static int rockchip_pdm_resume(struct device *dev) +{ + struct rk_pdm_dev *pdm = dev_get_drvdata(dev); + int ret; + + ret = pm_runtime_resume_and_get(dev); + if (ret < 0) + return ret; + + ret = regcache_sync(pdm->regmap); + + pm_runtime_put(dev); + + return ret; +} +#endif + +static const struct dev_pm_ops rockchip_pdm_pm_ops = { + SET_RUNTIME_PM_OPS(rockchip_pdm_runtime_suspend, + rockchip_pdm_runtime_resume, NULL) + SET_SYSTEM_SLEEP_PM_OPS(rockchip_pdm_suspend, rockchip_pdm_resume) +}; + +static struct platform_driver rockchip_pdm_driver = { + .probe = rockchip_pdm_probe, + .remove_new = rockchip_pdm_remove, + .driver = { + .name = "rockchip-pdm", + .of_match_table = of_match_ptr(rockchip_pdm_match), + .pm = &rockchip_pdm_pm_ops, + }, +}; + +module_platform_driver(rockchip_pdm_driver); + +MODULE_AUTHOR("Sugar "); +MODULE_DESCRIPTION("Rockchip PDM Controller Driver"); +MODULE_LICENSE("GPL v2"); diff --git a/sound/soc/rockchip/rockchip_pdm.h b/sound/soc/rockchip/rockchip_pdm.h new file mode 100644 index 0000000000..cab977272e --- /dev/null +++ b/sound/soc/rockchip/rockchip_pdm.h @@ -0,0 +1,92 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Rockchip PDM ALSA SoC Digital Audio Interface(DAI) driver + * + * Copyright (C) 2017 Fuzhou Rockchip Electronics Co., Ltd + */ + +#ifndef _ROCKCHIP_PDM_H +#define _ROCKCHIP_PDM_H + +/* PDM REGS */ +#define PDM_SYSCONFIG (0x0000) +#define PDM_CTRL0 (0x0004) +#define PDM_CTRL1 (0x0008) +#define PDM_CLK_CTRL (0x000c) +#define PDM_HPF_CTRL (0x0010) +#define PDM_FIFO_CTRL (0x0014) +#define PDM_DMA_CTRL (0x0018) +#define PDM_INT_EN (0x001c) +#define PDM_INT_CLR (0x0020) +#define PDM_INT_ST (0x0024) +#define PDM_RXFIFO_DATA (0x0030) +#define PDM_DATA_VALID (0x0054) +#define PDM_VERSION (0x0058) + +/* PDM_SYSCONFIG */ +#define PDM_RX_MASK (0x1 << 2) +#define PDM_RX_START (0x1 << 2) +#define PDM_RX_STOP (0x0 << 2) +#define PDM_RX_CLR_MASK (0x1 << 0) +#define PDM_RX_CLR_WR (0x1 << 0) +#define PDM_RX_CLR_DONE (0x0 << 0) + +/* PDM CTRL0 */ +#define PDM_PATH_MSK (0xf << 27) +#define PDM_MODE_MSK BIT(31) +#define PDM_MODE_RJ 0 +#define PDM_MODE_LJ BIT(31) +#define PDM_PATH3_EN BIT(30) +#define PDM_PATH2_EN BIT(29) +#define PDM_PATH1_EN BIT(28) +#define PDM_PATH0_EN BIT(27) +#define PDM_HWT_EN BIT(26) +#define PDM_SAMPLERATE_MSK GENMASK(7, 5) +#define PDM_SAMPLERATE(x) ((x) << 5) +#define PDM_VDW_MSK (0x1f << 0) +#define PDM_VDW(X) ((X - 1) << 0) + +/* PDM CTRL1 */ +#define PDM_FD_NUMERATOR_SFT 16 +#define PDM_FD_NUMERATOR_MSK GENMASK(31, 16) +#define PDM_FD_DENOMINATOR_SFT 0 +#define PDM_FD_DENOMINATOR_MSK GENMASK(15, 0) + +/* PDM CLK CTRL */ +#define PDM_PATH_SHIFT(x) (8 + (x) * 2) +#define PDM_PATH_MASK(x) (0x3 << PDM_PATH_SHIFT(x)) +#define PDM_PATH(x, v) ((v) << PDM_PATH_SHIFT(x)) +#define PDM_CLK_FD_RATIO_MSK BIT(6) +#define PDM_CLK_FD_RATIO_40 (0X0 << 6) +#define PDM_CLK_FD_RATIO_35 BIT(6) +#define PDM_CLK_MSK BIT(5) +#define PDM_CLK_EN BIT(5) +#define PDM_CLK_DIS (0x0 << 5) +#define PDM_CKP_MSK BIT(3) +#define PDM_CKP_NORMAL (0x0 << 3) +#define PDM_CKP_INVERTED BIT(3) +#define PDM_DS_RATIO_MSK (0x7 << 0) +#define PDM_CLK_320FS (0x0 << 0) +#define PDM_CLK_640FS (0x1 << 0) +#define PDM_CLK_1280FS (0x2 << 0) +#define PDM_CLK_2560FS (0x3 << 0) +#define PDM_CLK_5120FS (0x4 << 0) +#define PDM_CIC_RATIO_MSK (0x3 << 0) + +/* PDM HPF CTRL */ +#define PDM_HPF_LE BIT(3) +#define PDM_HPF_RE BIT(2) +#define PDM_HPF_CF_MSK (0x3 << 0) +#define PDM_HPF_3P79HZ (0x0 << 0) +#define PDM_HPF_60HZ (0x1 << 0) +#define PDM_HPF_243HZ (0x2 << 0) +#define PDM_HPF_493HZ (0x3 << 0) + +/* PDM DMA CTRL */ +#define PDM_DMA_RD_MSK BIT(8) +#define PDM_DMA_RD_EN BIT(8) +#define PDM_DMA_RD_DIS (0x0 << 8) +#define PDM_DMA_RDL_MSK (0x7f << 0) +#define PDM_DMA_RDL(X) ((X - 1) << 0) + +#endif /* _ROCKCHIP_PDM_H */ diff --git a/sound/soc/rockchip/rockchip_rt5645.c b/sound/soc/rockchip/rockchip_rt5645.c new file mode 100644 index 0000000000..ef9fdf0386 --- /dev/null +++ b/sound/soc/rockchip/rockchip_rt5645.c @@ -0,0 +1,251 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Rockchip machine ASoC driver for boards using a RT5645/RT5650 CODEC. + * + * Copyright (c) 2015, ROCKCHIP CORPORATION. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "rockchip_i2s.h" +#include "../codecs/rt5645.h" + +#define DRV_NAME "rockchip-snd-rt5645" + +static struct snd_soc_jack headset_jack; +static struct snd_soc_jack_pin headset_jack_pins[] = { + { + .pin = "Headphones", + .mask = SND_JACK_HEADPHONE, + }, + { + .pin = "Headset Mic", + .mask = SND_JACK_MICROPHONE, + }, +}; + +static const struct snd_soc_dapm_widget rk_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 rk_audio_map[] = { + /* Input Lines */ + {"DMIC L2", NULL, "Int Mic"}, + {"DMIC R2", NULL, "Int Mic"}, + {"RECMIXL", NULL, "Headset Mic"}, + {"RECMIXR", NULL, "Headset Mic"}, + + /* Output Lines */ + {"Headphones", NULL, "HPOR"}, + {"Headphones", NULL, "HPOL"}, + {"Speakers", NULL, "SPOL"}, + {"Speakers", NULL, "SPOR"}, +}; + +static const struct snd_kcontrol_new rk_mc_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 rk_aif1_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + int ret = 0; + 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; + + 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 codec clock %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 %d\n", ret); + return ret; + } + + return ret; +} + +static int rk_init(struct snd_soc_pcm_runtime *runtime) +{ + struct snd_soc_card *card = runtime->card; + int ret; + + /* Enable Headset and 4 Buttons Jack detection */ + ret = snd_soc_card_jack_new_pins(card, "Headset Jack", + SND_JACK_HEADPHONE | SND_JACK_MICROPHONE | + SND_JACK_BTN_0 | SND_JACK_BTN_1 | + SND_JACK_BTN_2 | SND_JACK_BTN_3, + &headset_jack, + headset_jack_pins, + ARRAY_SIZE(headset_jack_pins)); + if (ret) { + dev_err(card->dev, "New Headset Jack failed! (%d)\n", ret); + return ret; + } + + return rt5645_set_jack_detect(asoc_rtd_to_codec(runtime, 0)->component, + &headset_jack, + &headset_jack, + &headset_jack); +} + +static const struct snd_soc_ops rk_aif1_ops = { + .hw_params = rk_aif1_hw_params, +}; + +SND_SOC_DAILINK_DEFS(pcm, + DAILINK_COMP_ARRAY(COMP_EMPTY()), + DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5645-aif1")), + DAILINK_COMP_ARRAY(COMP_EMPTY())); + +static struct snd_soc_dai_link rk_dailink = { + .name = "rt5645", + .stream_name = "rt5645 PCM", + .init = rk_init, + .ops = &rk_aif1_ops, + /* set rt5645 as slave */ + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS, + SND_SOC_DAILINK_REG(pcm), +}; + +static struct snd_soc_card snd_soc_card_rk = { + .name = "I2S-RT5650", + .owner = THIS_MODULE, + .dai_link = &rk_dailink, + .num_links = 1, + .dapm_widgets = rk_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(rk_dapm_widgets), + .dapm_routes = rk_audio_map, + .num_dapm_routes = ARRAY_SIZE(rk_audio_map), + .controls = rk_mc_controls, + .num_controls = ARRAY_SIZE(rk_mc_controls), +}; + +static int snd_rk_mc_probe(struct platform_device *pdev) +{ + int ret = 0; + struct snd_soc_card *card = &snd_soc_card_rk; + struct device_node *np = pdev->dev.of_node; + + /* register the soc card */ + card->dev = &pdev->dev; + + rk_dailink.codecs->of_node = of_parse_phandle(np, + "rockchip,audio-codec", 0); + if (!rk_dailink.codecs->of_node) { + dev_err(&pdev->dev, + "Property 'rockchip,audio-codec' missing or invalid\n"); + return -EINVAL; + } + + rk_dailink.cpus->of_node = of_parse_phandle(np, + "rockchip,i2s-controller", 0); + if (!rk_dailink.cpus->of_node) { + dev_err(&pdev->dev, + "Property 'rockchip,i2s-controller' missing or invalid\n"); + ret = -EINVAL; + goto put_codec_of_node; + } + + rk_dailink.platforms->of_node = rk_dailink.cpus->of_node; + + ret = snd_soc_of_parse_card_name(card, "rockchip,model"); + if (ret) { + dev_err(&pdev->dev, + "Soc parse card name failed %d\n", ret); + goto put_cpu_of_node; + } + + ret = devm_snd_soc_register_card(&pdev->dev, card); + if (ret) { + dev_err(&pdev->dev, + "Soc register card failed %d\n", ret); + goto put_cpu_of_node; + } + + return ret; + +put_cpu_of_node: + of_node_put(rk_dailink.cpus->of_node); + rk_dailink.cpus->of_node = NULL; +put_codec_of_node: + of_node_put(rk_dailink.codecs->of_node); + rk_dailink.codecs->of_node = NULL; + + return ret; +} + +static void snd_rk_mc_remove(struct platform_device *pdev) +{ + of_node_put(rk_dailink.cpus->of_node); + rk_dailink.cpus->of_node = NULL; + of_node_put(rk_dailink.codecs->of_node); + rk_dailink.codecs->of_node = NULL; +} + +static const struct of_device_id rockchip_rt5645_of_match[] = { + { .compatible = "rockchip,rockchip-audio-rt5645", }, + {}, +}; + +MODULE_DEVICE_TABLE(of, rockchip_rt5645_of_match); + +static struct platform_driver snd_rk_mc_driver = { + .probe = snd_rk_mc_probe, + .remove_new = snd_rk_mc_remove, + .driver = { + .name = DRV_NAME, + .pm = &snd_soc_pm_ops, + .of_match_table = rockchip_rt5645_of_match, + }, +}; + +module_platform_driver(snd_rk_mc_driver); + +MODULE_AUTHOR("Xing Zheng "); +MODULE_DESCRIPTION("Rockchip rt5645 machine ASoC driver"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:" DRV_NAME); diff --git a/sound/soc/rockchip/rockchip_spdif.c b/sound/soc/rockchip/rockchip_spdif.c new file mode 100644 index 0000000000..1a24b78e9e --- /dev/null +++ b/sound/soc/rockchip/rockchip_spdif.c @@ -0,0 +1,396 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* sound/soc/rockchip/rk_spdif.c + * + * ALSA SoC Audio Layer - Rockchip I2S Controller driver + * + * Copyright (c) 2014 Rockchip Electronics Co. Ltd. + * Author: Jianqun + * Copyright (c) 2015 Collabora Ltd. + * Author: Sjoerd Simons + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "rockchip_spdif.h" + +enum rk_spdif_type { + RK_SPDIF_RK3066, + RK_SPDIF_RK3188, + RK_SPDIF_RK3288, + RK_SPDIF_RK3366, +}; + +#define RK3288_GRF_SOC_CON2 0x24c + +struct rk_spdif_dev { + struct device *dev; + + struct clk *mclk; + struct clk *hclk; + + struct snd_dmaengine_dai_dma_data playback_dma_data; + + struct regmap *regmap; +}; + +static const struct of_device_id rk_spdif_match[] __maybe_unused = { + { .compatible = "rockchip,rk3066-spdif", + .data = (void *)RK_SPDIF_RK3066 }, + { .compatible = "rockchip,rk3188-spdif", + .data = (void *)RK_SPDIF_RK3188 }, + { .compatible = "rockchip,rk3228-spdif", + .data = (void *)RK_SPDIF_RK3366 }, + { .compatible = "rockchip,rk3288-spdif", + .data = (void *)RK_SPDIF_RK3288 }, + { .compatible = "rockchip,rk3328-spdif", + .data = (void *)RK_SPDIF_RK3366 }, + { .compatible = "rockchip,rk3366-spdif", + .data = (void *)RK_SPDIF_RK3366 }, + { .compatible = "rockchip,rk3368-spdif", + .data = (void *)RK_SPDIF_RK3366 }, + { .compatible = "rockchip,rk3399-spdif", + .data = (void *)RK_SPDIF_RK3366 }, + { .compatible = "rockchip,rk3568-spdif", + .data = (void *)RK_SPDIF_RK3366 }, + {}, +}; +MODULE_DEVICE_TABLE(of, rk_spdif_match); + +static int __maybe_unused rk_spdif_runtime_suspend(struct device *dev) +{ + struct rk_spdif_dev *spdif = dev_get_drvdata(dev); + + regcache_cache_only(spdif->regmap, true); + clk_disable_unprepare(spdif->mclk); + clk_disable_unprepare(spdif->hclk); + + return 0; +} + +static int __maybe_unused rk_spdif_runtime_resume(struct device *dev) +{ + struct rk_spdif_dev *spdif = dev_get_drvdata(dev); + int ret; + + ret = clk_prepare_enable(spdif->mclk); + if (ret) { + dev_err(spdif->dev, "mclk clock enable failed %d\n", ret); + return ret; + } + + ret = clk_prepare_enable(spdif->hclk); + if (ret) { + clk_disable_unprepare(spdif->mclk); + dev_err(spdif->dev, "hclk clock enable failed %d\n", ret); + return ret; + } + + regcache_cache_only(spdif->regmap, false); + regcache_mark_dirty(spdif->regmap); + + ret = regcache_sync(spdif->regmap); + if (ret) { + clk_disable_unprepare(spdif->mclk); + clk_disable_unprepare(spdif->hclk); + } + + return ret; +} + +static int rk_spdif_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct rk_spdif_dev *spdif = snd_soc_dai_get_drvdata(dai); + unsigned int val = SPDIF_CFGR_HALFWORD_ENABLE; + int srate, mclk; + int ret; + + srate = params_rate(params); + mclk = srate * 128; + + switch (params_format(params)) { + case SNDRV_PCM_FORMAT_S16_LE: + val |= SPDIF_CFGR_VDW_16; + break; + case SNDRV_PCM_FORMAT_S20_3LE: + val |= SPDIF_CFGR_VDW_20; + break; + case SNDRV_PCM_FORMAT_S24_LE: + val |= SPDIF_CFGR_VDW_24; + break; + default: + return -EINVAL; + } + + /* Set clock and calculate divider */ + ret = clk_set_rate(spdif->mclk, mclk); + if (ret != 0) { + dev_err(spdif->dev, "Failed to set module clock rate: %d\n", + ret); + return ret; + } + + ret = regmap_update_bits(spdif->regmap, SPDIF_CFGR, + SPDIF_CFGR_CLK_DIV_MASK | + SPDIF_CFGR_HALFWORD_ENABLE | + SDPIF_CFGR_VDW_MASK, val); + + return ret; +} + +static int rk_spdif_trigger(struct snd_pcm_substream *substream, + int cmd, struct snd_soc_dai *dai) +{ + struct rk_spdif_dev *spdif = snd_soc_dai_get_drvdata(dai); + int ret; + + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_RESUME: + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + ret = regmap_update_bits(spdif->regmap, SPDIF_DMACR, + SPDIF_DMACR_TDE_ENABLE | + SPDIF_DMACR_TDL_MASK, + SPDIF_DMACR_TDE_ENABLE | + SPDIF_DMACR_TDL(16)); + + if (ret != 0) + return ret; + + ret = regmap_update_bits(spdif->regmap, SPDIF_XFER, + SPDIF_XFER_TXS_START, + SPDIF_XFER_TXS_START); + break; + case SNDRV_PCM_TRIGGER_SUSPEND: + case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + ret = regmap_update_bits(spdif->regmap, SPDIF_DMACR, + SPDIF_DMACR_TDE_ENABLE, + SPDIF_DMACR_TDE_DISABLE); + + if (ret != 0) + return ret; + + ret = regmap_update_bits(spdif->regmap, SPDIF_XFER, + SPDIF_XFER_TXS_START, + SPDIF_XFER_TXS_STOP); + break; + default: + ret = -EINVAL; + break; + } + + return ret; +} + +static int rk_spdif_dai_probe(struct snd_soc_dai *dai) +{ + struct rk_spdif_dev *spdif = snd_soc_dai_get_drvdata(dai); + + snd_soc_dai_dma_data_set_playback(dai, &spdif->playback_dma_data); + + return 0; +} + +static const struct snd_soc_dai_ops rk_spdif_dai_ops = { + .probe = rk_spdif_dai_probe, + .hw_params = rk_spdif_hw_params, + .trigger = rk_spdif_trigger, +}; + +static struct snd_soc_dai_driver rk_spdif_dai = { + .playback = { + .stream_name = "Playback", + .channels_min = 2, + .channels_max = 2, + .rates = (SNDRV_PCM_RATE_32000 | + SNDRV_PCM_RATE_44100 | + SNDRV_PCM_RATE_48000 | + SNDRV_PCM_RATE_96000 | + SNDRV_PCM_RATE_192000), + .formats = (SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_S20_3LE | + SNDRV_PCM_FMTBIT_S24_LE), + }, + .ops = &rk_spdif_dai_ops, +}; + +static const struct snd_soc_component_driver rk_spdif_component = { + .name = "rockchip-spdif", + .legacy_dai_naming = 1, +}; + +static bool rk_spdif_wr_reg(struct device *dev, unsigned int reg) +{ + switch (reg) { + case SPDIF_CFGR: + case SPDIF_DMACR: + case SPDIF_INTCR: + case SPDIF_XFER: + case SPDIF_SMPDR: + return true; + default: + return false; + } +} + +static bool rk_spdif_rd_reg(struct device *dev, unsigned int reg) +{ + switch (reg) { + case SPDIF_CFGR: + case SPDIF_SDBLR: + case SPDIF_INTCR: + case SPDIF_INTSR: + case SPDIF_XFER: + case SPDIF_SMPDR: + return true; + default: + return false; + } +} + +static bool rk_spdif_volatile_reg(struct device *dev, unsigned int reg) +{ + switch (reg) { + case SPDIF_INTSR: + case SPDIF_SDBLR: + case SPDIF_SMPDR: + return true; + default: + return false; + } +} + +static const struct regmap_config rk_spdif_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + .max_register = SPDIF_SMPDR, + .writeable_reg = rk_spdif_wr_reg, + .readable_reg = rk_spdif_rd_reg, + .volatile_reg = rk_spdif_volatile_reg, + .cache_type = REGCACHE_FLAT, +}; + +static int rk_spdif_probe(struct platform_device *pdev) +{ + struct device_node *np = pdev->dev.of_node; + struct rk_spdif_dev *spdif; + const struct of_device_id *match; + struct resource *res; + void __iomem *regs; + int ret; + + match = of_match_node(rk_spdif_match, np); + if (match->data == (void *)RK_SPDIF_RK3288) { + struct regmap *grf; + + grf = syscon_regmap_lookup_by_phandle(np, "rockchip,grf"); + if (IS_ERR(grf)) { + dev_err(&pdev->dev, + "rockchip_spdif missing 'rockchip,grf'\n"); + return PTR_ERR(grf); + } + + /* Select the 8 channel SPDIF solution on RK3288 as + * the 2 channel one does not appear to work + */ + regmap_write(grf, RK3288_GRF_SOC_CON2, BIT(1) << 16); + } + + spdif = devm_kzalloc(&pdev->dev, sizeof(*spdif), GFP_KERNEL); + if (!spdif) + return -ENOMEM; + + spdif->hclk = devm_clk_get(&pdev->dev, "hclk"); + if (IS_ERR(spdif->hclk)) + return PTR_ERR(spdif->hclk); + + spdif->mclk = devm_clk_get(&pdev->dev, "mclk"); + if (IS_ERR(spdif->mclk)) + return PTR_ERR(spdif->mclk); + + regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res); + if (IS_ERR(regs)) + return PTR_ERR(regs); + + spdif->regmap = devm_regmap_init_mmio_clk(&pdev->dev, "hclk", regs, + &rk_spdif_regmap_config); + if (IS_ERR(spdif->regmap)) + return PTR_ERR(spdif->regmap); + + spdif->playback_dma_data.addr = res->start + SPDIF_SMPDR; + spdif->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; + spdif->playback_dma_data.maxburst = 4; + + spdif->dev = &pdev->dev; + dev_set_drvdata(&pdev->dev, spdif); + + pm_runtime_enable(&pdev->dev); + if (!pm_runtime_enabled(&pdev->dev)) { + ret = rk_spdif_runtime_resume(&pdev->dev); + if (ret) + goto err_pm_runtime; + } + + ret = devm_snd_soc_register_component(&pdev->dev, + &rk_spdif_component, + &rk_spdif_dai, 1); + if (ret) { + dev_err(&pdev->dev, "Could not register DAI\n"); + goto err_pm_suspend; + } + + ret = devm_snd_dmaengine_pcm_register(&pdev->dev, NULL, 0); + if (ret) { + dev_err(&pdev->dev, "Could not register PCM\n"); + goto err_pm_suspend; + } + + return 0; + +err_pm_suspend: + if (!pm_runtime_status_suspended(&pdev->dev)) + rk_spdif_runtime_suspend(&pdev->dev); +err_pm_runtime: + pm_runtime_disable(&pdev->dev); + + return ret; +} + +static void rk_spdif_remove(struct platform_device *pdev) +{ + pm_runtime_disable(&pdev->dev); + if (!pm_runtime_status_suspended(&pdev->dev)) + rk_spdif_runtime_suspend(&pdev->dev); +} + +static const struct dev_pm_ops rk_spdif_pm_ops = { + SET_RUNTIME_PM_OPS(rk_spdif_runtime_suspend, rk_spdif_runtime_resume, + NULL) +}; + +static struct platform_driver rk_spdif_driver = { + .probe = rk_spdif_probe, + .remove_new = rk_spdif_remove, + .driver = { + .name = "rockchip-spdif", + .of_match_table = of_match_ptr(rk_spdif_match), + .pm = &rk_spdif_pm_ops, + }, +}; +module_platform_driver(rk_spdif_driver); + +MODULE_ALIAS("platform:rockchip-spdif"); +MODULE_DESCRIPTION("ROCKCHIP SPDIF transceiver Interface"); +MODULE_AUTHOR("Sjoerd Simons "); +MODULE_LICENSE("GPL v2"); diff --git a/sound/soc/rockchip/rockchip_spdif.h b/sound/soc/rockchip/rockchip_spdif.h new file mode 100644 index 0000000000..d8be9aae5b --- /dev/null +++ b/sound/soc/rockchip/rockchip_spdif.h @@ -0,0 +1,60 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * ALSA SoC Audio Layer - Rockchip SPDIF transceiver driver + * + * Copyright (c) 2015 Collabora Ltd. + * Author: Sjoerd Simons + */ + +#ifndef _ROCKCHIP_SPDIF_H +#define _ROCKCHIP_SPDIF_H + +/* + * CFGR + * transfer configuration register +*/ +#define SPDIF_CFGR_CLK_DIV_SHIFT (16) +#define SPDIF_CFGR_CLK_DIV_MASK (0xff << SPDIF_CFGR_CLK_DIV_SHIFT) +#define SPDIF_CFGR_CLK_DIV(x) (x << SPDIF_CFGR_CLK_DIV_SHIFT) + +#define SPDIF_CFGR_HALFWORD_SHIFT 2 +#define SPDIF_CFGR_HALFWORD_DISABLE (0 << SPDIF_CFGR_HALFWORD_SHIFT) +#define SPDIF_CFGR_HALFWORD_ENABLE (1 << SPDIF_CFGR_HALFWORD_SHIFT) + +#define SPDIF_CFGR_VDW_SHIFT 0 +#define SPDIF_CFGR_VDW(x) (x << SPDIF_CFGR_VDW_SHIFT) +#define SDPIF_CFGR_VDW_MASK (0xf << SPDIF_CFGR_VDW_SHIFT) + +#define SPDIF_CFGR_VDW_16 SPDIF_CFGR_VDW(0x0) +#define SPDIF_CFGR_VDW_20 SPDIF_CFGR_VDW(0x1) +#define SPDIF_CFGR_VDW_24 SPDIF_CFGR_VDW(0x2) + +/* + * DMACR + * DMA control register +*/ +#define SPDIF_DMACR_TDE_SHIFT 5 +#define SPDIF_DMACR_TDE_DISABLE (0 << SPDIF_DMACR_TDE_SHIFT) +#define SPDIF_DMACR_TDE_ENABLE (1 << SPDIF_DMACR_TDE_SHIFT) + +#define SPDIF_DMACR_TDL_SHIFT 0 +#define SPDIF_DMACR_TDL(x) ((x) << SPDIF_DMACR_TDL_SHIFT) +#define SPDIF_DMACR_TDL_MASK (0x1f << SPDIF_DMACR_TDL_SHIFT) + +/* + * XFER + * Transfer control register +*/ +#define SPDIF_XFER_TXS_SHIFT 0 +#define SPDIF_XFER_TXS_STOP (0 << SPDIF_XFER_TXS_SHIFT) +#define SPDIF_XFER_TXS_START (1 << SPDIF_XFER_TXS_SHIFT) + +#define SPDIF_CFGR (0x0000) +#define SPDIF_SDBLR (0x0004) +#define SPDIF_DMACR (0x0008) +#define SPDIF_INTCR (0x000c) +#define SPDIF_INTSR (0x0010) +#define SPDIF_XFER (0x0018) +#define SPDIF_SMPDR (0x0020) + +#endif /* _ROCKCHIP_SPDIF_H */ -- cgit v1.2.3