ASoC: rockchip: Add support machine driver for DA7219

The DA7219 only support headphone playback, we may not call the
da7219_aad_jack_det when we use the simple-card.

Therefore, the machine driver may be need to submit upstream.

Change-Id: Iecf53fa62fcaf43175bbbcd2b7c8b0d5c67655ac
Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>

diff --git a/sound/soc/rockchip/Kconfig b/sound/soc/rockchip/Kconfig
index f1e0c703e0d2f105226c2becffafc852f1927879..6f874e1a721b5541c36feaface2befab13e26942 100644 (file)
--- a/sound/soc/rockchip/Kconfig
+++ b/sound/soc/rockchip/Kconfig
@@ -23,6 +23,15 @@ config SND_SOC_ROCKCHIP_SPDIF
          Say Y or M if you want to add support for SPDIF driver for
          Rockchip SPDIF transceiver device.
 
+config SND_SOC_ROCKCHIP_DA7219
+       tristate "ASoC support for Rockchip boards using a DA7219 codec"
+       depends on SND_SOC_ROCKCHIP && I2C && GPIOLIB
+       select SND_SOC_ROCKCHIP_I2S
+       select SND_SOC_DA7219
+       help
+         Say Y or M here if you want to add support for SoC audio on Rockchip
+         boards using the DA7219 codec, such as Veyron.
+
 config SND_SOC_ROCKCHIP_MAX98090
        tristate "ASoC support for Rockchip boards using a MAX98090 codec"
        depends on SND_SOC_ROCKCHIP && I2C && GPIOLIB && CLKDEV_LOOKUP

diff --git a/sound/soc/rockchip/Makefile b/sound/soc/rockchip/Makefile
index c0bf560125f3d8d4fc4131fd65cbb277be8bb8ac..38a83ed4be5ea0fdb8e6953e05da097eae6c6fbc 100644 (file)
--- a/sound/soc/rockchip/Makefile
+++ b/sound/soc/rockchip/Makefile
@@ -5,8 +5,10 @@ snd-soc-rockchip-spdif-objs := rockchip_spdif.o
 obj-$(CONFIG_SND_SOC_ROCKCHIP_I2S) += snd-soc-rockchip-i2s.o
 obj-$(CONFIG_SND_SOC_ROCKCHIP_SPDIF) += snd-soc-rockchip-spdif.o
 
+snd-soc-rockchip-da7219-objs := rockchip_da7219.o
 snd-soc-rockchip-max98090-objs := rockchip_max98090.o
 snd-soc-rockchip-rt5645-objs := rockchip_rt5645.o
 
+obj-$(CONFIG_SND_SOC_ROCKCHIP_DA7219) += snd-soc-rockchip-da7219.o
 obj-$(CONFIG_SND_SOC_ROCKCHIP_MAX98090) += snd-soc-rockchip-max98090.o
 obj-$(CONFIG_SND_SOC_ROCKCHIP_RT5645) += snd-soc-rockchip-rt5645.o

diff --git a/sound/soc/rockchip/rockchip_da7219.c b/sound/soc/rockchip/rockchip_da7219.c
new file mode 100644 (file)
index 0000000..bf675de
--- /dev/null
+++ b/sound/soc/rockchip/rockchip_da7219.c
@@ -0,0 +1,235 @@
+/*
+ * Rockchip machine ASoC driver for boards using a DA7219 CODEC.
+ *
+ * Copyright (c) 2016, 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 <linux/delay.h>
+#include <sound/core.h>
+#include <sound/jack.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include "rockchip_i2s.h"
+#include "../codecs/da7219.h"
+#include "../codecs/da7219-aad.h"
+
+#define DRV_NAME "rockchip-snd-da7219"
+
+static struct snd_soc_jack mach_da7219_jack;
+
+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 */
+       {"MIC", NULL, "Headset Mic"},
+
+       /* Output Lines */
+       {"Headphones", NULL, "HPL"},
+       {"Headphones", NULL, "HPR"},
+};
+
+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)
+{
+       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 mclk;
+       int ret = 0;
+
+       switch (params_rate(params)) {
+       case 8000:
+       case 16000:
+       case 32000:
+       case 48000:
+       case 96000:
+               mclk = 12288000;
+               break;
+       case 11025:
+       case 22050:
+       case 44100:
+               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 ret;
+}
+
+static int rk_init(struct snd_soc_pcm_runtime *runtime)
+{
+       struct snd_soc_card *card = runtime->card;
+       struct snd_soc_dapm_context *dapm = &card->dapm;
+       int ret = 0;
+
+       card->dapm.idle_bias_off = true;
+
+       snd_soc_dapm_enable_pin(dapm, "Headphones");
+       snd_soc_dapm_enable_pin(dapm, "Speakers");
+       snd_soc_dapm_enable_pin(dapm, "Headset Mic");
+       snd_soc_dapm_enable_pin(dapm, "Int Mic");
+
+       snd_soc_dapm_sync(dapm);
+
+       /* Enable Headset and 4 Buttons Jack detection */
+       ret = snd_soc_card_jack_new(card, "Headset Jack",
+                                   SND_JACK_HEADSET |
+                                   SND_JACK_BTN_0 | SND_JACK_BTN_1 |
+                                   SND_JACK_BTN_2 | SND_JACK_BTN_3,
+                                   &mach_da7219_jack, NULL, 0);
+
+       if (ret) {
+               dev_err(card->dev, "New Headset Jack failed! (%d)\n", ret);
+               return ret;
+       }
+
+       da7219_aad_jack_det(runtime->codec, &mach_da7219_jack);
+
+       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 = "da7219",
+       .stream_name = "da7219 PCM",
+       .codec_dai_name = "da7219-hifi",
+       .init = rk_init,
+       .ops = &rk_aif1_ops,
+       /* set da7219 as slave */
+       .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+               SND_SOC_DAIFMT_CBS_CFS,
+};
+
+static struct snd_soc_card snd_soc_card_rk = {
+       .name = "audio-da7219",
+       .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;
+       platform_set_drvdata(pdev, card);
+
+       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) {
+               dev_err(&pdev->dev,
+                       "snd_soc_of_parse_card_name failed %d\n", ret);
+               return ret;
+       }
+
+       ret = devm_snd_soc_register_card(&pdev->dev, card);
+       if (ret) {
+               dev_err(&pdev->dev,
+                       "snd_soc_register_card failed %d\n", ret);
+               return ret;
+       }
+
+       return ret;
+}
+
+static const struct of_device_id rockchip_da7219_of_match[] = {
+       { .compatible = "rockchip,rockchip-audio-da7219", },
+       {},
+};
+
+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_da7219_of_match,
+       },
+};
+
+module_platform_driver(snd_rk_mc_driver);
+
+MODULE_AUTHOR("Xing Zheng <zhengxing@rock-chips.com>");
+MODULE_DESCRIPTION("Rockchip da7219 machine ASoC driver");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:" DRV_NAME);
+MODULE_DEVICE_TABLE(of, rockchip_da7219_of_match);