From: Youlin Wang <wwx575...@notesmail.huawei.com>

Add i2s driver for hisi3660.

Origenal patch from 13dcb3aeefe431010689de314d7543db86ebf93c by Guangke Ji.

Reviewed-by: Feng Chen <puck.c...@hisilicon.com>
Signed-off-by: Kaihua Zhong <zwx206...@notesmail.huawei.com>
Signed-off-by: Jun Chen <cwx232...@notesmail.huawei.com>
Signed-off-by: Guangke Ji <j00209...@notesmail.huawei.com>
Signed-off-by: John Stultz <john.stu...@linaro.org>
Signed-off-by: Youlin Wang <wwx575...@notesmail.huawei.com>
Signed-off-by: Tanglei Han <hantang...@huawei.com>
Cc: Liam Girdwood <lgirdw...@gmail.com>
Cc: Mark Brown <broo...@kernel.org>
Cc: Jaroslav Kysela <pe...@perex.cz>
Cc: Takashi Iwai <ti...@suse.com>
---
 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.gr...@linaro.org>");
+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

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