Hi , could someone help to review my patch ? 在 10/07/2014 09:43 AM, Jianqun 写道: > The driver is used for rockchip board using a max98090. > Test on RK3288 board 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 | 346 +++++++++++++++++++++++++++++++++ > 3 files changed, 359 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..928b161 > --- /dev/null > +++ b/sound/soc/rockchip/rockchip_max98090.c > @@ -0,0 +1,346 @@ > +/* > + * 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 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; > + int srate, mclk; > + > + srate = params_rate(params); > + switch (srate) { > + 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: > + mclk = 12000000; > + break; > + } > + > + 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 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"); > + > + /* 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, > + .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 (gpio_is_valid(hp_jack_gpio.gpio)) > + dev_warn(&pdev->dev, > + "Property 'rockchip,hp-det-gpios' missing or invalid\n"); > + > + mic_jack_gpio.gpio = of_get_named_gpio(np, "rockchip,mic-det-gpios", 0); > + if (gpio_is_valid(mic_jack_gpio.gpio)) > + dev_warn(&pdev->dev, > + "Property 'rockchip,mic-det-gpios' missing or invalid\n"); > + > + /* 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_of_parse_card_name(card, "rockchip,model"); > + if (ret) > + return ret; > + > + 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); > + > + 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_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); -- Jianqun Xu **************************************************************************** *IMPORTANT NOTICE:*This email is from Fuzhou Rockchip Electronics Co., Ltd .The contents of this email and any attachments may contain information that is privileged, confidential and/or exempt from disclosure under applicable law and relevant NDA. 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