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 | 326 +++++++++++++++++++++++++++++++++ 3 files changed, 339 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..eb99ae7 --- /dev/null +++ b/sound/soc/rockchip/rockchip_max98090.c @@ -0,0 +1,326 @@ +/* + * 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" +#define RK_PLAT_CLK_12M 12000000 + +struct rk_mc_private { + struct snd_soc_jack hp_jack; + struct snd_soc_jack mic_jack; +}; + +static const struct snd_soc_dapm_widget rk_dapm_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("Ext Spk", NULL), +}; + +static const struct snd_soc_dapm_route rk_audio_map[] = { + {"IN34", NULL, "Headset Mic"}, + {"IN34", NULL, "MICBIAS"}, + {"MICBIAS", NULL, "Headset Mic"}, + {"DMICL", NULL, "Int Mic"}, + {"Headphone", NULL, "HPL"}, + {"Headphone", NULL, "HPR"}, + {"Ext Spk", NULL, "SPKL"}, + {"Ext Spk", NULL, "SPKR"}, +}; + +static const struct snd_kcontrol_new rk_mc_controls[] = { + SOC_DAPM_PIN_SWITCH("Headphone"), + SOC_DAPM_PIN_SWITCH("Headset Mic"), + SOC_DAPM_PIN_SWITCH("Int Mic"), + SOC_DAPM_PIN_SWITCH("Ext Spk"), +}; + +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 = substream->private_data; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + struct snd_soc_dai *codec_dai = rtd->codec_dai; + +/* Set max98090 as master, i2s clock output 12MHz for max98090 */ + ret = snd_soc_dai_set_sysclk(cpu_dai, 0, + RK_PLAT_CLK_12M, + SND_SOC_CLOCK_OUT); + if (ret < 0) { + dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret); + return ret; + } + +/* Max98090 receive 12MHz as source clock for internel pll */ + ret = snd_soc_dai_set_sysclk(codec_dai, 0, + RK_PLAT_CLK_12M, + 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 struct snd_soc_jack_pin hp_jack_pin = { + .pin = "Headphone", + .mask = SND_JACK_HEADPHONE, +}; + +static struct snd_soc_jack_pin mic_jack_pin = { + .pin = "Headset Mic", + .mask = SND_JACK_MICROPHONE, +}; + +static struct snd_soc_jack_gpio hp_jack_gpio = { + .name = "hp-gpio", + .report = SND_JACK_HEADPHONE, + .debounce_time = 200, + .invert = 1, +}; + +static struct snd_soc_jack_gpio mic_jack_gpio = { + .name = "mic-gpio", + .report = SND_JACK_MICROPHONE, + .debounce_time = 200, + .invert = 1, +}; + +static int rk_init(struct snd_soc_pcm_runtime *runtime) +{ + int ret = 0; + struct snd_soc_codec *codec = runtime->codec; + struct snd_soc_dapm_context *dapm = &codec->dapm; + struct snd_soc_card *card = runtime->card; + struct rk_mc_private *drv = snd_soc_card_get_drvdata(card); + struct snd_soc_jack *hp_jack = &drv->hp_jack; + struct snd_soc_jack *mic_jack = &drv->mic_jack; + + card->dapm.idle_bias_off = true; + + ret = snd_soc_add_card_controls(card, rk_mc_controls, + ARRAY_SIZE(rk_mc_controls)); + if (ret) { + pr_err("unable to add card controls\n"); + return ret; + } + + snd_soc_dapm_enable_pin(dapm, "Headset Mic"); + snd_soc_dapm_enable_pin(dapm, "Headphone"); + snd_soc_dapm_enable_pin(dapm, "Ext Spk"); + snd_soc_dapm_enable_pin(dapm, "Int Mic"); + + snd_soc_dapm_sync(dapm); + + /* Enable headphone jack detection */ + ret = snd_soc_jack_new(codec, "Headphone Jack", SND_JACK_HEADPHONE, + hp_jack); + if (ret) + return ret; + + ret = snd_soc_jack_add_pins(hp_jack, 1, &hp_jack_pin); + if (ret) + return ret; + + ret = snd_soc_jack_add_gpios(hp_jack, 1, &hp_jack_gpio); + if (ret) + return ret; + + /* Enable mic jack detection */ + ret = snd_soc_jack_new(codec, "Mic Jack", SND_JACK_MICROPHONE, + mic_jack); + if (ret) + return ret; + + ret = snd_soc_jack_add_pins(mic_jack, 1, &mic_jack_pin); + if (ret) + return ret; + + ret = snd_soc_jack_add_gpios(mic_jack, 1, &mic_jack_gpio); + if (ret) + return ret; + + return ret; +} + +static struct snd_soc_ops rk_aif1_ops = { + .hw_params = rk_aif1_hw_params, +}; + +static struct snd_soc_dai_link rk_dailink = { + .name = "max98090", + .stream_name = "Audio", + .codec_dai_name = "HiFi", + .init = rk_init, + .ops = &rk_aif1_ops, + /* set max98090 as master */ + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBM_CFM, +}; + +static struct snd_soc_card snd_soc_card_rk = { + .name = "ROCKCHIP-I2S", + .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), +}; + +#ifdef CONFIG_PM_SLEEP +static int snd_rk_prepare(struct device *dev) +{ + struct snd_soc_card *card = dev_get_drvdata(dev); + struct rk_mc_private *drv = snd_soc_card_get_drvdata(card); + + snd_soc_jack_free_gpios(&drv->hp_jack, 1, &hp_jack_gpio); + snd_soc_jack_free_gpios(&drv->mic_jack, 1, &mic_jack_gpio); + + return snd_soc_suspend(dev); +} + +static void snd_rk_complete(struct device *dev) +{ + struct snd_soc_card *card = dev_get_drvdata(dev); + struct rk_mc_private *drv = snd_soc_card_get_drvdata(card); + + snd_soc_jack_add_gpios(&drv->hp_jack, 1, &hp_jack_gpio); + snd_soc_jack_add_gpios(&drv->mic_jack, 1, &mic_jack_gpio); + + snd_soc_resume(dev); +} + +static const struct dev_pm_ops rk_max98090_pm_ops = { + .prepare = snd_rk_prepare, + .complete = snd_rk_complete, +}; + +#define RK_MAX98090_PM_OPS (&rk_max98090_pm_ops) +#else +#define RK_MAX98090_PM_OPS NULL +#endif + +static int snd_rk_mc_probe(struct platform_device *pdev) +{ + int ret = 0; + struct rk_mc_private *drv; + struct snd_soc_card *card = &snd_soc_card_rk; + struct device_node *np = pdev->dev.of_node; + + drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_KERNEL); + if (!drv) + return -ENOMEM; + + hp_jack_gpio.gpio = of_get_named_gpio(np, "rockchip,hp-det-gpios", 0); + if (hp_jack_gpio.gpio == -EPROBE_DEFER) + return -EPROBE_DEFER; + + mic_jack_gpio.gpio = of_get_named_gpio(np, "rockchip,mic-det-gpios", 0); + if (mic_jack_gpio.gpio == -EPROBE_DEFER) + return -EPROBE_DEFER; + + /* register the soc card */ + card->dev = &pdev->dev; + platform_set_drvdata(pdev, card); + snd_soc_card_set_drvdata(card, drv); + + rk_dailink.codec_of_node = of_parse_phandle(np, + "rockchip,audio-codec", 0); + if (!rk_dailink.codec_of_node) { + dev_err(&pdev->dev, + "Property 'rockchip,audio-codec' missing or invalid\n"); + return -EINVAL; + } + + rk_dailink.cpu_of_node = of_parse_phandle(np, + "rockchip,i2s-controller", 0); + if (!rk_dailink.cpu_of_node) { + dev_err(&pdev->dev, + "Property 'rockchip,i2s-controller' missing or invalid\n"); + return -EINVAL; + } + + rk_dailink.platform_of_node = rk_dailink.cpu_of_node; + + ret = snd_soc_register_card(card); + if (ret) { + pr_err("snd_soc_register_card failed %d\n", ret); + return ret; + } + platform_set_drvdata(pdev, &card); + + ret = snd_soc_of_parse_card_name(card, "rockchip,model"); + if (ret) + return ret; + + return ret; +} + +static int snd_rk_mc_remove(struct platform_device *pdev) +{ + struct snd_soc_card *soc_card = platform_get_drvdata(pdev); + struct rk_mc_private *drv = snd_soc_card_get_drvdata(soc_card); + + snd_soc_jack_free_gpios(&drv->hp_jack, 1, &hp_jack_gpio); + snd_soc_jack_free_gpios(&drv->mic_jack, 1, &mic_jack_gpio); + + snd_soc_card_set_drvdata(soc_card, NULL); + snd_soc_unregister_card(soc_card); + platform_set_drvdata(pdev, NULL); + return 0; +} + +static const struct of_device_id rockchip_max98090_of_match[] = { + { .compatible = "rockchip,rockchip-audio-max98090", }, + {}, +}; + +static struct platform_driver snd_rk_mc_driver = { + .probe = snd_rk_mc_probe, + .remove = snd_rk_mc_remove, + .driver = { + .name = DRV_NAME, + .owner = THIS_MODULE, + .pm = RK_MAX98090_PM_OPS, + .of_match_table = rockchip_max98090_of_match, + }, +}; + +module_platform_driver(snd_rk_mc_driver); +MODULE_AUTHOR("jianqun <jay.xu@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
