snd-soc-es8323-objs := rk_es8323.o
snd-soc-rk3026-objs := rk_rk3026.o
snd-soc-rk3190-objs := rk_rk3190.o
+snd-soc-spdif-card-objs := rk_spdif_card.o
snd-soc-hdmi-i2s-objs := rk_hdmi_i2s.o
snd-soc-hdmi-spdif-objs := rk_hdmi_spdif.o
snd-soc-rt5512-objs := rk_rt5512.o
obj-$(CONFIG_SND_RK_SOC_RK1000) += snd-soc-rk1000.o
obj-$(CONFIG_SND_RK_SOC_RK3036) += snd-soc-rk3036.o
obj-$(CONFIG_SND_RK_SOC_RK312X) += snd-soc-rk312x.o
+obj-$(CONFIG_SND_RK_SOC_SPDIF_CARD) += snd-soc-spdif-card.o
obj-$(CONFIG_SND_RK_SOC_CS42L52) += snd-soc-cs42l52.o
obj-$(CONFIG_SND_RK_SOC_AIC3111) += snd-soc-aic3111.o
obj-$(CONFIG_SND_RK_SOC_AIC3262) += snd-soc-aic3262.o
obj-$(CONFIG_SND_RK_SOC_RK3190) += snd-soc-rk3190.o
obj-$(CONFIG_SND_RK_SOC_RT5512) += snd-soc-rt5512.o
obj-$(CONFIG_SND_RK_SOC_CX2070X) += snd-soc-cx2070x.o
-obj-$(CONFIG_SND_RK_SOC_CARD_SPDIF) += snd-soc-hdmi-spdif.o
obj-$(CONFIG_SND_RK_SOC_HDMI_I2S) += snd-soc-hdmi-i2s.o
obj-$(CONFIG_SND_RK_SOC_HDMI_SPDIF) += snd-soc-hdmi-spdif.o
--- /dev/null
+/*
+ * rk_spdif_card.c -- spdif card for rockchip
+ *
+ * Copyright 2014 rockchip Co. Ltd.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/of.h>
+#include <linux/of_gpio.h>
+#include <linux/clk.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+
+#include "card_info.h"
+#include "rk_pcm.h"
+
+static int rk_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;
+ unsigned long pll_out, rclk_rate;
+ int ret, ratio;
+
+ switch (params_rate(params)) {
+ case 44100:
+ pll_out = 11289600;
+ break;
+ case 32000:
+ pll_out = 8192000;
+ break;
+ case 48000:
+ pll_out = 12288000;
+ break;
+ case 96000:
+ pll_out = 24576000;
+ break;
+ default:
+ pr_err("rk_spdif: params not support\n");
+ return -EINVAL;
+ }
+
+ ratio = 256;
+ rclk_rate = params_rate(params) * ratio;
+
+ /* Set audio source clock rates */
+ ret = snd_soc_dai_set_sysclk(cpu_dai, 0,
+ rclk_rate, SND_SOC_CLOCK_IN);
+ if (ret < 0)
+ return ret;
+
+ return ret;
+}
+
+static struct snd_soc_ops rk_spdif_ops = {
+ .hw_params = rk_hw_params,
+};
+
+static struct snd_soc_dai_link rk_dai = {
+ .name = "SPDIF",
+ .stream_name = "SPDIF PCM Playback",
+ .codec_dai_name = "rk-hdmi-spdif-hifi",
+ .ops = &rk_spdif_ops,
+};
+
+static struct snd_soc_card rockchip_spdif_card = {
+ .name = "RK-SPDIF-CARD",
+ .dai_link = &rk_dai,
+ .num_links = 1,
+};
+
+static int rockchip_spdif_card_probe(struct platform_device *pdev)
+{
+ int ret;
+ struct snd_soc_card *card = &rockchip_spdif_card;
+
+ card->dev = &pdev->dev;
+
+ ret = rockchip_of_get_sound_card_info_(card, false);
+ if (ret) {
+ pr_err("%s() get sound card info failed:%d\n",
+ __func__, ret);
+ return ret;
+ }
+
+ ret = snd_soc_register_card(card);
+
+ if (ret)
+ pr_err("%s() register card failed:%d\n",
+ __func__, ret);
+
+ return ret;
+}
+
+static int rockchip_spdif_card_remove(struct platform_device *pdev)
+{
+ struct snd_soc_card *card = platform_get_drvdata(pdev);
+
+ snd_soc_unregister_card(card);
+
+ return 0;
+}
+
+#ifdef CONFIG_OF
+static const struct of_device_id rockchip_spdif_card_of_match[] = {
+ { .compatible = "rockchip-spdif-card"},
+ {},
+};
+MODULE_DEVICE_TABLE(of, rockchip_spdif_card_of_match);
+#endif /* CONFIG_OF */
+
+static struct platform_driver rockchip_spdif_card_driver = {
+ .driver = {
+ .name = "rockchip-spdif-card",
+ .owner = THIS_MODULE,
+ .pm = &snd_soc_pm_ops,
+ .of_match_table = of_match_ptr(rockchip_spdif_card_of_match),
+ },
+ .probe = rockchip_spdif_card_probe,
+ .remove = rockchip_spdif_card_remove,
+};
+
+module_platform_driver(rockchip_spdif_card_driver);
+
+MODULE_AUTHOR("hzb, <hzb@rock-chips.com>");
+MODULE_DESCRIPTION("ALSA SoC RK S/PDIF");
+MODULE_LICENSE("GPL");