[PATCH 2/2] sound: Add hisi i2s audio driver
From: h00249924
Date: Fri Dec 28 2018 - 01:33:39 EST
From: Youlin Wang <wwx575822@xxxxxxxxxxxxxxxxxxxx>
Add i2s driver for hisi3660.
Origenal patch from 13dcb3aeefe431010689de314d7543db86ebf93c by Guangke Ji.
Reviewed-by: Feng Chen <puck.chen@xxxxxxxxxxxxx>
Signed-off-by: Kaihua Zhong <zwx206529@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Jun Chen <cwx232124@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Guangke Ji <j00209069@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: John Stultz <john.stultz@xxxxxxxxxx>
Signed-off-by: Youlin Wang <wwx575822@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Tanglei Han <hantanglei@xxxxxxxxxx>
Cc: Liam Girdwood <lgirdwood@xxxxxxxxx>
Cc: Mark Brown <broonie@xxxxxxxxxx>
Cc: Jaroslav Kysela <perex@xxxxxxxx>
Cc: Takashi Iwai <tiwai@xxxxxxxx>
---
sound/soc/hisilicon/Kconfig | 8 +-
sound/soc/hisilicon/Makefile | 1 +
sound/soc/hisilicon/hi3660-i2s.c | 423 +++++++++++++++++++++++++++++++++++++++
sound/soc/hisilicon/hi3660-i2s.h | 95 +++++++++
4 files changed, 526 insertions(+), 1 deletion(-)
create mode 100644 sound/soc/hisilicon/hi3660-i2s.c
create mode 100644 sound/soc/hisilicon/hi3660-i2s.h
diff --git a/sound/soc/hisilicon/Kconfig b/sound/soc/hisilicon/Kconfig
index 4356d5a..b023ef9 100644
--- a/sound/soc/hisilicon/Kconfig
+++ b/sound/soc/hisilicon/Kconfig
@@ -1,5 +1,11 @@
config SND_I2S_HI6210_I2S
- tristate "Hisilicon I2S controller"
+ tristate "Hisilicon Hi6210 I2S controller"
+ select SND_SOC_GENERIC_DMAENGINE_PCM
+ help
+ Hisilicon I2S
+
+config SND_I2S_HI3660_I2S
+ tristate "Hisilicon 960 I2S controller"
select SND_SOC_GENERIC_DMAENGINE_PCM
help
Hisilicon I2S
diff --git a/sound/soc/hisilicon/Makefile b/sound/soc/hisilicon/Makefile
index e8095e2..6800516 100644
--- a/sound/soc/hisilicon/Makefile
+++ b/sound/soc/hisilicon/Makefile
@@ -1 +1,2 @@
obj-$(CONFIG_SND_I2S_HI6210_I2S) += hi6210-i2s.o
+obj-$(CONFIG_SND_I2S_HI3660_I2S) += hi3660-i2s.o
diff --git a/sound/soc/hisilicon/hi3660-i2s.c b/sound/soc/hisilicon/hi3660-i2s.c
new file mode 100644
index 0000000..d709043
--- /dev/null
+++ b/sound/soc/hisilicon/hi3660-i2s.c
@@ -0,0 +1,423 @@
+/*
+ * linux/sound/soc/hisilicon/hisi_i2s.c - I2S IP driver
+ *
+ * Copyright (c) 2001-2021, Huawei Tech. Co., Ltd.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/delay.h>
+#include <linux/clk.h>
+#include <linux/jiffies.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/dmaengine_pcm.h>
+#include <sound/initval.h>
+#include <sound/soc.h>
+#include <linux/interrupt.h>
+#include <linux/reset.h>
+#include <linux/of_address.h>
+#include <linux/of_irq.h>
+#include <linux/reset-controller.h>
+#include <linux/clk.h>
+#include <linux/regulator/consumer.h>
+
+#include "hi3660-i2s.h"
+
+struct hisi_i2s {
+ struct device *dev;
+ struct reset_control *rc;
+ int clocks;
+ struct regulator *regu_asp;
+ struct pinctrl *pctrl;
+ struct pinctrl_state *pin_default;
+ struct pinctrl_state *pin_idle;
+ struct clk *asp_subsys_clk;
+ struct snd_soc_dai_driver dai;
+ void __iomem *base;
+ void __iomem *base_syscon;
+ phys_addr_t base_phys;
+ struct snd_dmaengine_dai_dma_data dma_data[2];
+ spinlock_t lock;
+ int rate;
+ int format;
+ int bits;
+ int channels;
+ u32 master;
+ u32 status;
+};
+
+static void hisi_bits(struct hisi_i2s *i2s, u32 ofs, u32 reset, u32 set)
+{
+ u32 val = readl(i2s->base + ofs) & ~reset;
+
+ writel(val | set, i2s->base + ofs);
+}
+
+static void hisi_syscon_bits(struct hisi_i2s *i2s, u32 ofs, u32 reset, u32 set)
+{
+ u32 val = readl(i2s->base_syscon + ofs) & ~reset;
+
+ writel(val | set, i2s->base_syscon + ofs);
+}
+
+static int _hisi_i2s_set_fmt(struct hisi_i2s *i2s,
+ struct snd_pcm_substream *substream)
+{
+ switch (i2s->format & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBM_CFM:
+ i2s->master = false;
+ hisi_syscon_bits(i2s, HI_ASP_CFG_R_CLK_SEL_REG, 0, HI_ASP_CFG_R_CLK_SEL_EN);
+ break;
+ case SND_SOC_DAIFMT_CBS_CFS:
+ i2s->master = true;
+ hisi_syscon_bits(i2s, HI_ASP_CFG_R_CLK_SEL_REG, HI_ASP_CFG_R_CLK_SEL_EN,0);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+int hisi_i2s_startup(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *cpu_dai)
+{
+ struct hisi_i2s *i2s = dev_get_drvdata(cpu_dai->dev);
+
+ /* deassert reset on sio_bt*/
+ hisi_syscon_bits(i2s, HI_ASP_CFG_R_RST_CTRLDIS_REG, 0, BIT(2)|BIT(6)|BIT(8)|BIT(16));
+
+ /* enable clk before frequency division */
+ hisi_syscon_bits(i2s, HI_ASP_CFG_R_GATE_EN_REG, 0, BIT(5)|BIT(6));
+
+ /* enable frequency division */
+ hisi_syscon_bits(i2s, HI_ASP_CFG_R_GATE_CLKDIV_EN_REG, 0, BIT(2)|BIT(5));
+
+ /* select clk */
+ hisi_syscon_bits(i2s, HI_ASP_CFG_R_CLK_SEL_REG, HI_ASP_MASK, HI_ASP_CFG_R_CLK_SEL);
+
+ /* select clk_div */
+ hisi_syscon_bits(i2s, HI_ASP_CFG_R_CLK1_DIV_REG, HI_ASP_MASK, HI_ASP_CFG_R_CLK1_DIV_SEL);
+ hisi_syscon_bits(i2s, HI_ASP_CFG_R_CLK4_DIV_REG, HI_ASP_MASK, HI_ASP_CFG_R_CLK4_DIV_SEL);
+ hisi_syscon_bits(i2s, HI_ASP_CFG_R_CLK6_DIV_REG, HI_ASP_MASK, HI_ASP_CFG_R_CLK6_DIV_SEL);
+
+ /* sio config */
+ hisi_bits(i2s, HI_ASP_SIO_MODE_REG, HI_ASP_MASK, 0x0);
+ hisi_bits(i2s, HI_ASP_SIO_DATA_WIDTH_SET_REG, HI_ASP_MASK, 0x9);
+ hisi_bits(i2s, HI_ASP_SIO_I2S_POS_MERGE_EN_REG, HI_ASP_MASK, 0x1);
+ hisi_bits(i2s, HI_ASP_SIO_I2S_START_POS_REG, HI_ASP_MASK, 0x0);
+
+ return 0;
+}
+void hisi_i2s_shutdown(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *cpu_dai)
+{
+ struct hisi_i2s *i2s = dev_get_drvdata(cpu_dai->dev);
+
+ if (!IS_ERR_OR_NULL(i2s->asp_subsys_clk)) {
+ clk_disable_unprepare(i2s->asp_subsys_clk);
+ }
+
+}
+
+static void hisi_i2s_txctrl(struct snd_soc_dai *cpu_dai, int on)
+{
+ struct hisi_i2s *i2s = dev_get_drvdata(cpu_dai->dev);
+
+ spin_lock(&i2s->lock);
+
+ if (on) {
+ /* enable SIO TX */
+ hisi_bits(i2s, HI_ASP_SIO_CT_SET_REG, 0,
+ HI_ASP_SIO_TX_ENABLE | HI_ASP_SIO_TX_DATA_MERGE | HI_ASP_SIO_TX_FIFO_THRESHOLD |
+ HI_ASP_SIO_RX_ENABLE |HI_ASP_SIO_RX_DATA_MERGE | HI_ASP_SIO_RX_FIFO_THRESHOLD);
+ } else
+ /* disable SIO TX */
+ hisi_bits(i2s, HI_ASP_SIO_CT_CLR_REG, 0, HI_ASP_SIO_TX_ENABLE |HI_ASP_SIO_RX_ENABLE);
+ spin_unlock(&i2s->lock);
+}
+
+static void hisi_i2s_rxctrl(struct snd_soc_dai *cpu_dai, int on)
+{
+ struct hisi_i2s *i2s = dev_get_drvdata(cpu_dai->dev);
+
+ spin_lock(&i2s->lock);
+ if (on)
+ /* enable SIO RX */
+ hisi_bits(i2s, HI_ASP_SIO_CT_SET_REG, 0,
+ HI_ASP_SIO_TX_ENABLE | HI_ASP_SIO_TX_DATA_MERGE | HI_ASP_SIO_TX_FIFO_THRESHOLD |
+ HI_ASP_SIO_RX_ENABLE |HI_ASP_SIO_RX_DATA_MERGE | HI_ASP_SIO_RX_FIFO_THRESHOLD);
+ else
+ /* disable SIO RX */
+ hisi_bits(i2s, HI_ASP_SIO_CT_CLR_REG,0, HI_ASP_SIO_TX_ENABLE |HI_ASP_SIO_RX_ENABLE);
+ spin_unlock(&i2s->lock);
+}
+
+static int hisi_i2s_set_sysclk(struct snd_soc_dai *cpu_dai,
+ int clk_id, unsigned int freq, int dir)
+{
+ return 0;
+}
+
+static int hisi_i2s_set_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt)
+{
+ struct hisi_i2s *i2s = dev_get_drvdata(cpu_dai->dev);
+
+ i2s->format = fmt;
+ i2s->master = (i2s->format & SND_SOC_DAIFMT_MASTER_MASK) ==
+ SND_SOC_DAIFMT_CBS_CFS;
+
+ return 0;
+}
+
+static int hisi_i2s_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *cpu_dai)
+{
+ struct hisi_i2s *i2s = dev_get_drvdata(cpu_dai->dev);
+ struct snd_dmaengine_dai_dma_data *dma_data;
+
+ dma_data = snd_soc_dai_get_dma_data(cpu_dai, substream);
+
+ _hisi_i2s_set_fmt(i2s, substream);
+
+ dma_data->maxburst = 4;
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ dma_data->addr = i2s->base_phys + HI_ASP_SIO_I2S_DUAL_TX_CHN_REG;
+ else
+ dma_data->addr = i2s->base_phys + HI_ASP_SIO_I2S_DUAL_RX_CHN_REG;
+
+ switch (params_format(params)) {
+ case SNDRV_PCM_FORMAT_U16_LE:
+ case SNDRV_PCM_FORMAT_S16_LE:
+ i2s->bits = 16;
+ dma_data->addr_width = 4;
+ break;
+
+ case SNDRV_PCM_FORMAT_U24_LE:
+ case SNDRV_PCM_FORMAT_S24_LE:
+ i2s->bits = 32;
+ dma_data->addr_width = 4;
+ break;
+ default:
+ dev_err(cpu_dai->dev, "Bad format\n");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int hisi_i2s_trigger(struct snd_pcm_substream *substream, int cmd,
+ struct snd_soc_dai *cpu_dai)
+{
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
+ hisi_i2s_rxctrl(cpu_dai, 1);
+ else
+ hisi_i2s_txctrl(cpu_dai, 1);
+ break;
+ case SNDRV_PCM_TRIGGER_STOP:
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
+ hisi_i2s_rxctrl(cpu_dai, 0);
+ else
+ hisi_i2s_txctrl(cpu_dai, 0);
+ break;
+ default:
+ dev_err(cpu_dai->dev, "uknown cmd\n");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int hisi_i2s_dai_probe(struct snd_soc_dai *dai)
+{
+ struct hisi_i2s *i2s = snd_soc_dai_get_drvdata(dai);
+
+ snd_soc_dai_init_dma_data(dai,
+ &i2s->dma_data[SNDRV_PCM_STREAM_PLAYBACK],
+ &i2s->dma_data[SNDRV_PCM_STREAM_CAPTURE]);
+
+ return 0;
+}
+
+
+static struct snd_soc_dai_ops hisi_i2s_dai_ops = {
+ .trigger = hisi_i2s_trigger,
+ .hw_params = hisi_i2s_hw_params,
+ .set_fmt = hisi_i2s_set_fmt,
+ .set_sysclk = hisi_i2s_set_sysclk,
+ .startup = hisi_i2s_startup,
+ .shutdown = hisi_i2s_shutdown,
+};
+
+struct snd_soc_dai_driver hisi_i2s_dai_init = {
+ .name = "hisi_i2s",
+ .probe = hisi_i2s_dai_probe,
+ .playback = {
+ .channels_min = 2,
+ .channels_max = 2,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE |
+ SNDRV_PCM_FMTBIT_U16_LE,
+ .rates = SNDRV_PCM_RATE_48000,
+ },
+ .capture = {
+ .channels_min = 2,
+ .channels_max = 2,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE |
+ SNDRV_PCM_FMTBIT_U16_LE,
+ .rates = SNDRV_PCM_RATE_48000,
+ },
+ .ops = &hisi_i2s_dai_ops,
+};
+
+static const struct snd_soc_component_driver hisi_i2s_i2s_comp = {
+ .name = "hisi_i2s-i2s",
+};
+
+#include <sound/dmaengine_pcm.h>
+
+static const struct snd_pcm_hardware snd_hisi_hardware = {
+ .info = SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_PAUSE |
+ SNDRV_PCM_INFO_RESUME |
+ SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_HALF_DUPLEX,
+ .period_bytes_min = 4096,
+ .period_bytes_max = 4096,
+ .periods_min = 4,
+ .periods_max = UINT_MAX,
+ .buffer_bytes_max = SIZE_MAX,
+};
+
+static const struct snd_dmaengine_pcm_config hisi_dmaengine_pcm_config = {
+ .pcm_hardware = &snd_hisi_hardware,
+ .prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config,
+ .prealloc_buffer_size = 64 * 1024,
+};
+
+static int hisi_i2s_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct hisi_i2s *i2s;
+ struct resource *res;
+ int ret;
+
+ i2s = devm_kzalloc(dev,sizeof(*i2s), GFP_KERNEL);
+ if (!i2s)
+ return -ENOMEM;
+
+ i2s->dev = dev;
+ spin_lock_init(&i2s->lock);
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
+ ret = -ENODEV;
+ return ret;
+ }
+ i2s->base_phys = (phys_addr_t)res->start;
+
+ i2s->dai = hisi_i2s_dai_init;
+ dev_set_drvdata(&pdev->dev, i2s);
+
+ i2s->base = devm_ioremap_resource(dev, res);
+ if (IS_ERR(i2s->base)) {
+ dev_err(&pdev->dev, "ioremap failed\n");
+ ret = PTR_ERR(i2s->base);
+ return ret;
+ }
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+ if (!res) {
+ ret = -ENODEV;
+ return ret;
+ }
+ i2s->base_syscon = devm_ioremap(dev, res->start, resource_size(res));
+ if (IS_ERR(i2s->base_syscon)) {
+ dev_err(&pdev->dev, "ioremap failed\n");
+ ret = PTR_ERR(i2s->base_syscon);
+ return ret;
+ }
+
+ /* i2s iomux config */
+ i2s->pctrl = devm_pinctrl_get(dev);
+ if (IS_ERR(i2s->pctrl)) {
+ dev_err(dev, "could not get pinctrl\n");
+ ret = -EIO;
+ return ret;
+ }
+
+ i2s->pin_default = pinctrl_lookup_state(i2s->pctrl, PINCTRL_STATE_DEFAULT);
+ if (IS_ERR(i2s->pin_default)) {
+ dev_err(dev, "could not get default state (%li)\n" , PTR_ERR(i2s->pin_default));
+ ret = -EIO;
+ return ret;
+ }
+
+ if (pinctrl_select_state(i2s->pctrl, i2s->pin_default)) {
+ dev_err(dev, "could not set pins to default state\n");
+ ret = -EIO;
+ return ret;
+ }
+
+ ret = devm_snd_dmaengine_pcm_register(&pdev->dev,
+ &hisi_dmaengine_pcm_config,
+ 0);
+ if (ret)
+ return ret;
+
+ ret = snd_soc_register_component(&pdev->dev, &hisi_i2s_i2s_comp,
+ &i2s->dai, 1);
+ if (ret) {
+ dev_err(&pdev->dev, "Failed to register dai\n");
+ return ret;;
+ }
+ dev_info(&pdev->dev, "Registered as %s\n", i2s->dai.name);
+
+ return 0;
+}
+
+static int hisi_i2s_remove(struct platform_device *pdev)
+{
+ struct hisi_i2s *i2s = dev_get_drvdata(&pdev->dev);
+
+ snd_soc_unregister_component(&pdev->dev);
+ dev_set_drvdata(&pdev->dev, NULL);
+
+ pinctrl_put(i2s->pctrl);
+
+ return 0;
+}
+
+static const struct of_device_id hisi_i2s_dt_ids[] = {
+ { .compatible = "hisilicon,hisi-i2s" },
+ { /* sentinel */ }
+};
+
+MODULE_DEVICE_TABLE(of, hisi_i2s_dt_ids);
+
+static struct platform_driver hisi_i2s_driver = {
+ .probe = hisi_i2s_probe,
+ .remove = hisi_i2s_remove,
+ .driver = {
+ .name = "hisi_i2s",
+ .owner = THIS_MODULE,
+ .of_match_table = hisi_i2s_dt_ids,
+ },
+};
+
+module_platform_driver(hisi_i2s_driver);
+
+MODULE_DESCRIPTION("Hisilicon I2S driver");
+MODULE_AUTHOR("Andy Green <andy.green@xxxxxxxxxx>");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/hisilicon/hi3660-i2s.h b/sound/soc/hisilicon/hi3660-i2s.h
new file mode 100644
index 0000000..e010067
--- /dev/null
+++ b/sound/soc/hisilicon/hi3660-i2s.h
@@ -0,0 +1,95 @@
+/*
+ * linux/sound/soc/hisilicon/hi3660-i2s.h
+ *
+ * Copyright (c) 2001-2021, Huawei Tech. Co., Ltd.
+ */
+
+#ifndef _HISI_I2S_H
+#define _HISI_I2S_H
+
+ enum hisi_bits {
+ HII2S_BITS_16,
+ HII2S_BITS_18,
+ HII2S_BITS_20,
+ HII2S_BITS_24,
+};
+
+enum hisi_i2s_rates {
+ HII2S_FS_RATE_8KHZ = 0,
+ HII2S_FS_RATE_16KHZ = 1,
+ HII2S_FS_RATE_32KHZ = 2,
+ HII2S_FS_RATE_48KHZ = 4,
+ HII2S_FS_RATE_96KHZ = 5,
+ HII2S_FS_RATE_192KHZ = 6,
+};
+
+#define HI_ASP_CFG_R_RST_CTRLEN_REG 0x0
+#define HI_ASP_CFG_R_RST_CTRLDIS_REG 0x4
+#define HI_ASP_CFG_R_GATE_EN_REG 0xC
+#define HI_ASP_CFG_R_GATE_DIS_REG 0x10
+#define HI_ASP_CFG_R_GATE_CLKEN_REG 0x14
+#define HI_ASP_CFG_R_GATE_CLKSTAT_REG 0x18
+#define HI_ASP_CFG_R_GATE_CLKDIV_EN_REG 0x1C
+#define HI_ASP_CFG_R_CLK1_DIV_REG 0x20
+#define HI_ASP_CFG_R_CLK2_DIV_REG 0x24
+#define HI_ASP_CFG_R_CLK3_DIV_REG 0x28
+#define HI_ASP_CFG_R_CLK4_DIV_REG 0x2C
+#define HI_ASP_CFG_R_CLK5_DIV_REG 0x30
+#define HI_ASP_CFG_R_CLK6_DIV_REG 0x34
+#define HI_ASP_CFG_R_CLK_SEL_REG 0x38
+#define HI_ASP_CFG_R_SEC_REG 0x100
+
+
+#define HI_ASP_SIO_VERSION_REG (0x3C)
+#define HI_ASP_SIO_MODE_REG (0x40)
+#define HI_ASP_SIO_INTSTATUS_REG (0x44)
+#define HI_ASP_SIO_INTCLR_REG (0x48)
+#define HI_ASP_SIO_I2S_LEFT_XD_REG (0x4C)
+#define HI_ASP_SIO_I2S_RIGHT_XD_REG (0x50)
+#define HI_ASP_SIO_I2S_LEFT_RD_REG (0x54)
+#define HI_ASP_SIO_I2S_RIGHT_RD_REG (0x58)
+#define HI_ASP_SIO_CT_SET_REG (0x5C)
+#define HI_ASP_SIO_CT_CLR_REG (0x60)
+#define HI_ASP_SIO_RX_STA_REG (0x68)
+#define HI_ASP_SIO_TX_STA_REG (0x6C)
+#define HI_ASP_SIO_DATA_WIDTH_SET_REG (0x78)
+#define HI_ASP_SIO_I2S_START_POS_REG (0x7C)
+#define HI_ASP_SIO_I2S_POS_FLAG_REG (0x80)
+#define HI_ASP_SIO_SIGNED_EXT_REG (0x84)
+#define HI_ASP_SIO_I2S_POS_MERGE_EN_REG (0x88)
+#define HI_ASP_SIO_INTMASK_REG (0x8C)
+#define HI_ASP_SIO_I2S_DUAL_RX_CHN_REG (0xA0)
+#define HI_ASP_SIO_I2S_DUAL_TX_CHN_REG (0xC0)
+
+
+#define HI_ASP_CFG_R_CLK_SEL_EN BIT(2)
+#define HI_ASP_CFG_R_CLK_SEL 0x140010
+#define HI_ASP_CFG_R_CLK1_DIV_SEL 0xbcdc9a
+#define HI_ASP_CFG_R_CLK4_DIV_SEL 0x00ff000f
+#define HI_ASP_CFG_R_CLK6_DIV_SEL 0x00ff003f
+#define HI_ASP_CFG_SIO_MODE 0
+#define HI_ASP_SIO_MODE_SEL_EN BIT(0)
+#define HI_ASP_MASK 0xffffffff
+
+#define HI_ASP_SIO_RX_ENABLE BIT(13)
+#define HI_ASP_SIO_TX_ENABLE BIT(12)
+#define HI_ASP_SIO_RX_FIFO_DISABLE BIT(11)
+#define HI_ASP_SIO_TX_FIFO_DISABLE BIT(10)
+#define HI_ASP_SIO_RX_DATA_MERGE BIT(9)
+#define HI_ASP_SIO_TX_DATA_MERGE BIT(8)
+#define HI_ASP_SIO_RX_FIFO_THRESHOLD (0x5 << 4)
+#define HI_ASP_SIO_TX_FIFO_THRESHOLD (0xB << 0)
+#define HI_ASP_SIO_RX_FIFO_THRESHOLD_CLR (0xF << 4)
+#define HI_ASP_SIO_TX_FIFO_THRESHOLD_CLR (0xF << 0)
+#define HI_ASP_SIO_BURST (0x4)
+
+
+enum hisi_i2s_formats {
+ HII2S_FORMAT_I2S,
+ HII2S_FORMAT_PCM_STD,
+ HII2S_FORMAT_PCM_USER,
+ HII2S_FORMAT_LEFT_JUST,
+ HII2S_FORMAT_RIGHT_JUST,
+};
+
+#endif/* _HISI_I2S_H */
--
1.9.1