The driver is used for rockchip board using a max98090. Test on RK3288 with max98090. Signed-off-by: Jianqun Xu <jay.xu@xxxxxxxxxxxxxx> --- sound/soc/rockchip/Kconfig | 9 + sound/soc/rockchip/Makefile | 5 +- sound/soc/rockchip/rockchip_max98090.c | 308 +++++++++++++++++++++++++++++++++ 3 files changed, 321 insertions(+), 1 deletion(-) create mode 100644 sound/soc/rockchip/rockchip_max98090.c diff --git a/sound/soc/rockchip/Kconfig b/sound/soc/rockchip/Kconfig index 78fc159..f82fbf5 100644 --- a/sound/soc/rockchip/Kconfig +++ b/sound/soc/rockchip/Kconfig @@ -9,3 +9,12 @@ config SND_SOC_ROCKCHIP config SND_SOC_ROCKCHIP_I2S tristate + +config SND_SOC_ROCKCHIP_MAX98090 + tristate "ASoC support for Rockchip boards using a MAX98090 codec" + depends on SND_SOC_ROCKCHIP && I2C && GPIOLIB + select SND_SOC_ROCKCHIP_I2S + select SND_SOC_MAX98090 + help + Say Y or M here if you want to add support for SoC audio on Rockchip + boards using the MAX98090 codec, such as Veyron. diff --git a/sound/soc/rockchip/Makefile b/sound/soc/rockchip/Makefile index b921909..c324411 100644 --- a/sound/soc/rockchip/Makefile +++ b/sound/soc/rockchip/Makefile @@ -1,4 +1,7 @@ # ROCKCHIP Platform Support snd-soc-i2s-objs := rockchip_i2s.o - obj-$(CONFIG_SND_SOC_ROCKCHIP_I2S) += snd-soc-i2s.o + +# ROCKCHIP Machine Support +snd-soc-rockchip-max98090-objs := rockchip_max98090.o +obj-$(CONFIG_SND_SOC_ROCKCHIP_MAX98090) += snd-soc-rockchip-max98090.o diff --git a/sound/soc/rockchip/rockchip_max98090.c b/sound/soc/rockchip/rockchip_max98090.c new file mode 100644 index 0000000..8a7b7ba --- /dev/null +++ b/sound/soc/rockchip/rockchip_max98090.c @@ -0,0 +1,308 @@ +/* + * Rockchip machine ASoC driver for boards using a MAX90809 CODEC. + * + * Copyright (c) 2014, ROCKCHIP CORPORATION. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + * + */ + +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/slab.h> +#include <linux/gpio.h> +#include <linux/of_gpio.h> + +#include <sound/core.h> +#include <sound/jack.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/soc.h> + +#include "rockchip_i2s.h" + +#define DRV_NAME "rockchip-snd-max98090" + +struct rockchip_max98090 { + int gpio_hp_det; + int gpio_mic_det; +}; + +static int rockchip_max98090_asoc_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *codec_dai = rtd->codec_dai; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + struct snd_soc_codec *codec = codec_dai->codec; + struct snd_soc_card *card = codec->card; + int mclk, ret; + unsigned int dai_fmt = rtd->dai_link->dai_fmt; + + /* set codec DAI configuration */ + ret = snd_soc_dai_set_fmt(codec_dai, dai_fmt); + if (ret < 0) { + dev_err(card->dev, "codec_dai format not set, %d\n", ret); + return ret; + } + + /* set cpu DAI configuration */ + ret = snd_soc_dai_set_fmt(cpu_dai, dai_fmt); + if (ret < 0) { + dev_err(card->dev, "cpu_dai format not set, %d\n", ret); + return ret; + } + + 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; + } + mclk = 12000000; + ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk, + SND_SOC_CLOCK_OUT); + if (ret < 0) { + dev_err(card->dev, "cpu_dai clock not set, %d\n", ret); + return ret; + } + + ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk, + SND_SOC_CLOCK_IN); + if (ret < 0) { + dev_err(card->dev, "codec_dai clock not set, %d\n", ret); + return ret; + } + + return ret; +} + +static struct snd_soc_ops rockchip_max98090_ops = { + .hw_params = rockchip_max98090_asoc_hw_params, +}; + +static struct snd_soc_jack rockchip_max98090_hp_jack; +static struct snd_soc_jack_pin rockchip_max98090_hp_jack_pins[] = { + { + .pin = "Headphones", + .mask = SND_JACK_HEADPHONE, + }, +}; + +static struct snd_soc_jack_gpio rockchip_max98090_hp_jack_gpio = { + .name = "Headphone detection", + .report = SND_JACK_HEADPHONE, + .debounce_time = 150, + .invert = 1, +}; + +static struct snd_soc_jack rockchip_max98090_mic_jack; +static struct snd_soc_jack_pin rockchip_max98090_mic_jack_pins[] = { + { + .pin = "Mic Jack", + .mask = SND_JACK_MICROPHONE, + }, +}; + +static struct snd_soc_jack_gpio rockchip_max98090_mic_jack_gpio = { + .name = "mic detect", + .report = SND_JACK_MICROPHONE, + .debounce_time = 150, + .invert = 0, +}; + +static const struct snd_soc_dapm_widget rockchip_max98090_dapm_widgets[] = { + SND_SOC_DAPM_HP("Headphones", NULL), + SND_SOC_DAPM_SPK("Speakers", NULL), + SND_SOC_DAPM_MIC("Mic Jack", NULL), +}; + +static const struct snd_kcontrol_new rockchip_max98090_controls[] = { + SOC_DAPM_PIN_SWITCH("Speakers"), +}; + +static int rockchip_max98090_asoc_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_codec *codec = rtd->codec; + struct snd_soc_card *card = codec->card; + struct device_node *dn = card->dev->of_node; + + if (dn) { + enum of_gpio_flags flags; + + rockchip_max98090_mic_jack_gpio.gpio = of_get_named_gpio_flags( + dn, "rockchip,mic-det-gpios", 0, &flags); + rockchip_max98090_mic_jack_gpio.invert = + !!(flags & OF_GPIO_ACTIVE_LOW); + + rockchip_max98090_hp_jack_gpio.gpio = of_get_named_gpio_flags( + dn, "rockchip,hp-det-gpios", 0, &flags); + rockchip_max98090_hp_jack_gpio.invert = + !!(flags & OF_GPIO_ACTIVE_LOW); + } + + if (gpio_is_valid(rockchip_max98090_mic_jack_gpio.gpio)) { + snd_soc_jack_new(codec, "Mic Jack", SND_JACK_MICROPHONE, + &rockchip_max98090_mic_jack); + snd_soc_jack_add_pins(&rockchip_max98090_mic_jack, + 1, rockchip_max98090_mic_jack_pins); + snd_soc_jack_add_gpios(&rockchip_max98090_mic_jack, 1, + &rockchip_max98090_mic_jack_gpio); + } + + if (gpio_is_valid(rockchip_max98090_hp_jack_gpio.gpio)) { + snd_soc_jack_new(codec, "Headphone Jack", + SND_JACK_HEADPHONE, + &rockchip_max98090_hp_jack); + snd_soc_jack_add_pins(&rockchip_max98090_hp_jack, + 1, rockchip_max98090_hp_jack_pins); + snd_soc_jack_add_gpios(&rockchip_max98090_hp_jack, 1, + &rockchip_max98090_hp_jack_gpio); + } + + return 0; +} + +static struct snd_soc_dai_link rockchip_max98090_dai = { + .name = "max98090", + .stream_name = "max98090 PCM", + .codec_dai_name = "HiFi", + .init = rockchip_max98090_asoc_init, + .ops = &rockchip_max98090_ops, + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBM_CFM, +}; + +static struct snd_soc_card snd_soc_rockchip_max98090 = { + .name = "ROCKCHIP-I2S", + .owner = THIS_MODULE, + .dai_link = &rockchip_max98090_dai, + .num_links = 1, + .controls = rockchip_max98090_controls, + .num_controls = ARRAY_SIZE(rockchip_max98090_controls), + .dapm_widgets = rockchip_max98090_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(rockchip_max98090_dapm_widgets), + .fully_routed = true, +}; + +static int rockchip_max98090_probe(struct platform_device *pdev) +{ + struct device_node *np = pdev->dev.of_node; + struct snd_soc_card *card = &snd_soc_rockchip_max98090; + struct rockchip_max98090 *machine; + int ret; + + machine = devm_kzalloc(&pdev->dev, sizeof(*machine), GFP_KERNEL); + if (!machine) { + dev_err(&pdev->dev, "Can't allocate rockchip_max98090\n"); + return -ENOMEM; + } + + card->dev = &pdev->dev; + platform_set_drvdata(pdev, card); + snd_soc_card_set_drvdata(card, machine); + + machine->gpio_hp_det = of_get_named_gpio(np, + "rockchip,hp-det-gpios", 0); + if (machine->gpio_hp_det == -EPROBE_DEFER) + return -EPROBE_DEFER; + + ret = snd_soc_of_parse_card_name(card, "rockchip,model"); + if (ret) + goto err; + + ret = snd_soc_of_parse_audio_routing(card, "rockchip,audio-routing"); + if (ret) + goto err; + + rockchip_max98090_dai.codec_of_node = of_parse_phandle(np, + "rockchip,audio-codec", 0); + if (!rockchip_max98090_dai.codec_of_node) { + dev_err(&pdev->dev, + "Property 'rockchip,audio-codec' missing or invalid\n"); + ret = -EINVAL; + goto err; + } + + rockchip_max98090_dai.cpu_of_node = of_parse_phandle(np, + "rockchip,i2s-controller", 0); + if (!rockchip_max98090_dai.cpu_of_node) { + dev_err(&pdev->dev, + "Property 'rockchip,i2s-controller' missing or invalid\n"); + ret = -EINVAL; + goto err; + } + + rockchip_max98090_dai.platform_of_node = + rockchip_max98090_dai.cpu_of_node; + + ret = snd_soc_register_card(card); + if (ret) { + dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", + ret); + goto err; + } + + return 0; + +err: + return ret; +} + +static int rockchip_max98090_remove(struct platform_device *pdev) +{ + struct snd_soc_card *card = platform_get_drvdata(pdev); + + snd_soc_jack_free_gpios(&rockchip_max98090_hp_jack, 1, + &rockchip_max98090_hp_jack_gpio); + + snd_soc_unregister_card(card); + + return 0; +} + +static const struct of_device_id rockchip_max98090_of_match[] = { + { .compatible = "rockchip,rockchip-audio-max98090", }, + {}, +}; + +static struct platform_driver rockchip_max98090_driver = { + .driver = { + .name = DRV_NAME, + .owner = THIS_MODULE, + .pm = &snd_soc_pm_ops, + .of_match_table = rockchip_max98090_of_match, + }, + .probe = rockchip_max98090_probe, + .remove = rockchip_max98090_remove, +}; +module_platform_driver(rockchip_max98090_driver); + +MODULE_AUTHOR("jianqun <xjq@xxxxxxxxxxxxxx>"); +MODULE_DESCRIPTION("Rockchip max98090 machine ASoC driver"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:" DRV_NAME); +MODULE_DEVICE_TABLE(of, rockchip_max98090_of_match); -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
