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-rw-r--r--sound/soc/amd/raven/Makefile2
-rw-r--r--sound/soc/amd/raven/acp3x-i2s.c358
-rw-r--r--sound/soc/amd/raven/acp3x-pcm-dma.c679
-rw-r--r--sound/soc/amd/raven/acp3x.h115
-rw-r--r--sound/soc/amd/raven/pci-acp3x.c264
5 files changed, 913 insertions, 505 deletions
diff --git a/sound/soc/amd/raven/Makefile b/sound/soc/amd/raven/Makefile
index 108d1acf189b..62c22b6ed95a 100644
--- a/sound/soc/amd/raven/Makefile
+++ b/sound/soc/amd/raven/Makefile
@@ -2,5 +2,7 @@
# Raven Ridge platform Support
snd-pci-acp3x-objs := pci-acp3x.o
snd-acp3x-pcm-dma-objs := acp3x-pcm-dma.o
+snd-acp3x-i2s-objs := acp3x-i2s.o
obj-$(CONFIG_SND_SOC_AMD_ACP3x) += snd-pci-acp3x.o
obj-$(CONFIG_SND_SOC_AMD_ACP3x) += snd-acp3x-pcm-dma.o
+obj-$(CONFIG_SND_SOC_AMD_ACP3x) += snd-acp3x-i2s.o
diff --git a/sound/soc/amd/raven/acp3x-i2s.c b/sound/soc/amd/raven/acp3x-i2s.c
new file mode 100644
index 000000000000..bf51cadf8682
--- /dev/null
+++ b/sound/soc/amd/raven/acp3x-i2s.c
@@ -0,0 +1,358 @@
+// SPDX-License-Identifier: GPL-2.0+
+//
+// AMD ALSA SoC PCM Driver
+//
+//Copyright 2016 Advanced Micro Devices, Inc.
+
+#include <linux/platform_device.h>
+#include <linux/module.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dai.h>
+#include <linux/dma-mapping.h>
+
+#include "acp3x.h"
+
+#define DRV_NAME "acp3x-i2s"
+
+static int acp3x_i2s_set_fmt(struct snd_soc_dai *cpu_dai,
+ unsigned int fmt)
+{
+ struct i2s_dev_data *adata;
+ int mode;
+
+ adata = snd_soc_dai_get_drvdata(cpu_dai);
+ mode = fmt & SND_SOC_DAIFMT_FORMAT_MASK;
+ switch (mode) {
+ case SND_SOC_DAIFMT_I2S:
+ adata->tdm_mode = TDM_DISABLE;
+ break;
+ case SND_SOC_DAIFMT_DSP_A:
+ adata->tdm_mode = TDM_ENABLE;
+ break;
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int acp3x_i2s_set_tdm_slot(struct snd_soc_dai *cpu_dai,
+ u32 tx_mask, u32 rx_mask, int slots, int slot_width)
+{
+ struct i2s_dev_data *adata;
+ u32 val, reg_val, frmt_reg, frm_len;
+ u16 slot_len;
+
+ adata = snd_soc_dai_get_drvdata(cpu_dai);
+
+ /* These values are as per Hardware Spec */
+ switch (slot_width) {
+ case SLOT_WIDTH_8:
+ slot_len = 8;
+ break;
+ case SLOT_WIDTH_16:
+ slot_len = 16;
+ break;
+ case SLOT_WIDTH_24:
+ slot_len = 24;
+ break;
+ case SLOT_WIDTH_32:
+ slot_len = 0;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* Enable I2S/BT channels TDM, respective TX/RX frame lengths.*/
+
+ frm_len = FRM_LEN | (slots << 15) | (slot_len << 18);
+ if (adata->substream_type == SNDRV_PCM_STREAM_PLAYBACK) {
+ switch (adata->i2s_instance) {
+ case I2S_BT_INSTANCE:
+ reg_val = mmACP_BTTDM_ITER;
+ frmt_reg = mmACP_BTTDM_TXFRMT;
+ break;
+ case I2S_SP_INSTANCE:
+ default:
+ reg_val = mmACP_I2STDM_ITER;
+ frmt_reg = mmACP_I2STDM_TXFRMT;
+ }
+ } else {
+ switch (adata->i2s_instance) {
+ case I2S_BT_INSTANCE:
+ reg_val = mmACP_BTTDM_IRER;
+ frmt_reg = mmACP_BTTDM_RXFRMT;
+ break;
+ case I2S_SP_INSTANCE:
+ default:
+ reg_val = mmACP_I2STDM_IRER;
+ frmt_reg = mmACP_I2STDM_RXFRMT;
+ }
+ }
+ val = rv_readl(adata->acp3x_base + reg_val);
+ rv_writel(val | 0x2, adata->acp3x_base + reg_val);
+ rv_writel(frm_len, adata->acp3x_base + frmt_reg);
+ adata->tdm_fmt = frm_len;
+ return 0;
+}
+
+static int acp3x_i2s_hwparams(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
+{
+ struct i2s_stream_instance *rtd;
+ struct snd_soc_pcm_runtime *prtd;
+ struct snd_soc_card *card;
+ struct acp3x_platform_info *pinfo;
+ u32 val;
+ u32 reg_val;
+
+ prtd = substream->private_data;
+ rtd = substream->runtime->private_data;
+ card = prtd->card;
+ pinfo = snd_soc_card_get_drvdata(card);
+ if (pinfo) {
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ rtd->i2s_instance = pinfo->play_i2s_instance;
+ else
+ rtd->i2s_instance = pinfo->cap_i2s_instance;
+ }
+
+ /* These values are as per Hardware Spec */
+ switch (params_format(params)) {
+ case SNDRV_PCM_FORMAT_U8:
+ case SNDRV_PCM_FORMAT_S8:
+ rtd->xfer_resolution = 0x0;
+ break;
+ case SNDRV_PCM_FORMAT_S16_LE:
+ rtd->xfer_resolution = 0x02;
+ break;
+ case SNDRV_PCM_FORMAT_S24_LE:
+ rtd->xfer_resolution = 0x04;
+ break;
+ case SNDRV_PCM_FORMAT_S32_LE:
+ rtd->xfer_resolution = 0x05;
+ break;
+ default:
+ return -EINVAL;
+ }
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ switch (rtd->i2s_instance) {
+ case I2S_BT_INSTANCE:
+ reg_val = mmACP_BTTDM_ITER;
+ break;
+ case I2S_SP_INSTANCE:
+ default:
+ reg_val = mmACP_I2STDM_ITER;
+ }
+ } else {
+ switch (rtd->i2s_instance) {
+ case I2S_BT_INSTANCE:
+ reg_val = mmACP_BTTDM_IRER;
+ break;
+ case I2S_SP_INSTANCE:
+ default:
+ reg_val = mmACP_I2STDM_IRER;
+ }
+ }
+ val = rv_readl(rtd->acp3x_base + reg_val);
+ val = val | (rtd->xfer_resolution << 3);
+ rv_writel(val, rtd->acp3x_base + reg_val);
+ return 0;
+}
+
+static int acp3x_i2s_trigger(struct snd_pcm_substream *substream,
+ int cmd, struct snd_soc_dai *dai)
+{
+ struct i2s_stream_instance *rtd;
+ struct snd_soc_pcm_runtime *prtd;
+ struct snd_soc_card *card;
+ struct acp3x_platform_info *pinfo;
+ u32 ret, val, period_bytes, reg_val, ier_val, water_val;
+
+ prtd = substream->private_data;
+ rtd = substream->runtime->private_data;
+ card = prtd->card;
+ pinfo = snd_soc_card_get_drvdata(card);
+ if (pinfo) {
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ rtd->i2s_instance = pinfo->play_i2s_instance;
+ else
+ rtd->i2s_instance = pinfo->cap_i2s_instance;
+ }
+ period_bytes = frames_to_bytes(substream->runtime,
+ substream->runtime->period_size);
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ case SNDRV_PCM_TRIGGER_RESUME:
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ rtd->bytescount = acp_get_byte_count(rtd,
+ substream->stream);
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ switch (rtd->i2s_instance) {
+ case I2S_BT_INSTANCE:
+ water_val =
+ mmACP_BT_TX_INTR_WATERMARK_SIZE;
+ reg_val = mmACP_BTTDM_ITER;
+ ier_val = mmACP_BTTDM_IER;
+ break;
+ case I2S_SP_INSTANCE:
+ default:
+ water_val =
+ mmACP_I2S_TX_INTR_WATERMARK_SIZE;
+ reg_val = mmACP_I2STDM_ITER;
+ ier_val = mmACP_I2STDM_IER;
+ }
+ } else {
+ switch (rtd->i2s_instance) {
+ case I2S_BT_INSTANCE:
+ water_val =
+ mmACP_BT_RX_INTR_WATERMARK_SIZE;
+ reg_val = mmACP_BTTDM_IRER;
+ ier_val = mmACP_BTTDM_IER;
+ break;
+ case I2S_SP_INSTANCE:
+ default:
+ water_val =
+ mmACP_I2S_RX_INTR_WATERMARK_SIZE;
+ reg_val = mmACP_I2STDM_IRER;
+ ier_val = mmACP_I2STDM_IER;
+ }
+ }
+ rv_writel(period_bytes, rtd->acp3x_base + water_val);
+ val = rv_readl(rtd->acp3x_base + reg_val);
+ val = val | BIT(0);
+ rv_writel(val, rtd->acp3x_base + reg_val);
+ rv_writel(1, rtd->acp3x_base + ier_val);
+ ret = 0;
+ break;
+ case SNDRV_PCM_TRIGGER_STOP:
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ switch (rtd->i2s_instance) {
+ case I2S_BT_INSTANCE:
+ reg_val = mmACP_BTTDM_ITER;
+ ier_val = mmACP_BTTDM_IER;
+ break;
+ case I2S_SP_INSTANCE:
+ default:
+ reg_val = mmACP_I2STDM_ITER;
+ ier_val = mmACP_I2STDM_IER;
+ }
+
+ } else {
+ switch (rtd->i2s_instance) {
+ case I2S_BT_INSTANCE:
+ reg_val = mmACP_BTTDM_IRER;
+ ier_val = mmACP_BTTDM_IER;
+ break;
+ case I2S_SP_INSTANCE:
+ default:
+ reg_val = mmACP_I2STDM_IRER;
+ ier_val = mmACP_I2STDM_IER;
+ }
+ }
+ val = rv_readl(rtd->acp3x_base + reg_val);
+ val = val & ~BIT(0);
+ rv_writel(val, rtd->acp3x_base + reg_val);
+ rv_writel(0, rtd->acp3x_base + ier_val);
+ ret = 0;
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+
+ return ret;
+}
+
+static struct snd_soc_dai_ops acp3x_i2s_dai_ops = {
+ .hw_params = acp3x_i2s_hwparams,
+ .trigger = acp3x_i2s_trigger,
+ .set_fmt = acp3x_i2s_set_fmt,
+ .set_tdm_slot = acp3x_i2s_set_tdm_slot,
+};
+
+static const struct snd_soc_component_driver acp3x_dai_component = {
+ .name = "acp3x-i2s",
+};
+
+static struct snd_soc_dai_driver acp3x_i2s_dai = {
+ .playback = {
+ .rates = SNDRV_PCM_RATE_8000_96000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |
+ SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S24_LE |
+ SNDRV_PCM_FMTBIT_S32_LE,
+ .channels_min = 2,
+ .channels_max = 8,
+ .rate_min = 8000,
+ .rate_max = 96000,
+ },
+ .capture = {
+ .rates = SNDRV_PCM_RATE_8000_48000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |
+ SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S24_LE |
+ SNDRV_PCM_FMTBIT_S32_LE,
+ .channels_min = 2,
+ .channels_max = 2,
+ .rate_min = 8000,
+ .rate_max = 48000,
+ },
+ .ops = &acp3x_i2s_dai_ops,
+};
+
+static int acp3x_dai_probe(struct platform_device *pdev)
+{
+ struct resource *res;
+ struct i2s_dev_data *adata;
+ int ret;
+
+ adata = devm_kzalloc(&pdev->dev, sizeof(struct i2s_dev_data),
+ GFP_KERNEL);
+ if (!adata)
+ return -ENOMEM;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
+ dev_err(&pdev->dev, "IORESOURCE_MEM FAILED\n");
+ return -ENOMEM;
+ }
+ adata->acp3x_base = devm_ioremap(&pdev->dev, res->start,
+ resource_size(res));
+ if (!adata->acp3x_base)
+ return -ENOMEM;
+
+ adata->i2s_irq = res->start;
+ dev_set_drvdata(&pdev->dev, adata);
+ ret = devm_snd_soc_register_component(&pdev->dev,
+ &acp3x_dai_component, &acp3x_i2s_dai, 1);
+ if (ret) {
+ dev_err(&pdev->dev, "Fail to register acp i2s dai\n");
+ return -ENODEV;
+ }
+ return 0;
+}
+
+static int acp3x_dai_remove(struct platform_device *pdev)
+{
+ /* As we use devm_ memory alloc there is nothing TBD here */
+
+ return 0;
+}
+
+static struct platform_driver acp3x_dai_driver = {
+ .probe = acp3x_dai_probe,
+ .remove = acp3x_dai_remove,
+ .driver = {
+ .name = "acp3x_i2s_playcap",
+ },
+};
+
+module_platform_driver(acp3x_dai_driver);
+
+MODULE_AUTHOR("Vishnuvardhanrao.Ravulapati@amd.com");
+MODULE_DESCRIPTION("AMD ACP 3.x PCM Driver");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:" DRV_NAME);
diff --git a/sound/soc/amd/raven/acp3x-pcm-dma.c b/sound/soc/amd/raven/acp3x-pcm-dma.c
index 60709e3ba99d..5c3ec3c58e3b 100644
--- a/sound/soc/amd/raven/acp3x-pcm-dma.c
+++ b/sound/soc/amd/raven/acp3x-pcm-dma.c
@@ -9,7 +9,6 @@
#include <linux/err.h>
#include <linux/io.h>
#include <linux/pm_runtime.h>
-#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-dai.h>
@@ -18,28 +17,11 @@
#define DRV_NAME "acp3x-i2s-audio"
-struct i2s_dev_data {
- bool tdm_mode;
- unsigned int i2s_irq;
- u32 tdm_fmt;
- void __iomem *acp3x_base;
- struct snd_pcm_substream *play_stream;
- struct snd_pcm_substream *capture_stream;
-};
-
-struct i2s_stream_instance {
- u16 num_pages;
- u16 channels;
- u32 xfer_resolution;
- u64 bytescount;
- dma_addr_t dma_addr;
- void __iomem *acp3x_base;
-};
-
static const struct snd_pcm_hardware acp3x_pcm_hardware_playback = {
.info = SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER |
SNDRV_PCM_INFO_BATCH |
+ SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME,
.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |
SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S24_LE |
@@ -60,7 +42,8 @@ static const struct snd_pcm_hardware acp3x_pcm_hardware_capture = {
.info = SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER |
SNDRV_PCM_INFO_BATCH |
- SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME,
+ SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME,
.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |
SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S24_LE |
SNDRV_PCM_FMTBIT_S32_LE,
@@ -76,112 +59,13 @@ static const struct snd_pcm_hardware acp3x_pcm_hardware_capture = {
.periods_max = CAPTURE_MAX_NUM_PERIODS,
};
-static int acp3x_power_on(void __iomem *acp3x_base, bool on)
-{
- u16 val, mask;
- u32 timeout;
-
- if (on == true) {
- val = 1;
- mask = ACP3x_POWER_ON;
- } else {
- val = 0;
- mask = ACP3x_POWER_OFF;
- }
-
- rv_writel(val, acp3x_base + mmACP_PGFSM_CONTROL);
- timeout = 0;
- while (true) {
- val = rv_readl(acp3x_base + mmACP_PGFSM_STATUS);
- if ((val & ACP3x_POWER_OFF_IN_PROGRESS) == mask)
- break;
- if (timeout > 100) {
- pr_err("ACP3x power state change failure\n");
- return -ENODEV;
- }
- timeout++;
- cpu_relax();
- }
- return 0;
-}
-
-static int acp3x_reset(void __iomem *acp3x_base)
-{
- u32 val, timeout;
-
- rv_writel(1, acp3x_base + mmACP_SOFT_RESET);
- timeout = 0;
- while (true) {
- val = rv_readl(acp3x_base + mmACP_SOFT_RESET);
- if ((val & ACP3x_SOFT_RESET__SoftResetAudDone_MASK) ||
- timeout > 100) {
- if (val & ACP3x_SOFT_RESET__SoftResetAudDone_MASK)
- break;
- return -ENODEV;
- }
- timeout++;
- cpu_relax();
- }
-
- rv_writel(0, acp3x_base + mmACP_SOFT_RESET);
- timeout = 0;
- while (true) {
- val = rv_readl(acp3x_base + mmACP_SOFT_RESET);
- if (!val || timeout > 100) {
- if (!val)
- break;
- return -ENODEV;
- }
- timeout++;
- cpu_relax();
- }
- return 0;
-}
-
-static int acp3x_init(void __iomem *acp3x_base)
-{
- int ret;
-
- /* power on */
- ret = acp3x_power_on(acp3x_base, true);
- if (ret) {
- pr_err("ACP3x power on failed\n");
- return ret;
- }
- /* Reset */
- ret = acp3x_reset(acp3x_base);
- if (ret) {
- pr_err("ACP3x reset failed\n");
- return ret;
- }
- return 0;
-}
-
-static int acp3x_deinit(void __iomem *acp3x_base)
-{
- int ret;
-
- /* Reset */
- ret = acp3x_reset(acp3x_base);
- if (ret) {
- pr_err("ACP3x reset failed\n");
- return ret;
- }
- /* power off */
- ret = acp3x_power_on(acp3x_base, false);
- if (ret) {
- pr_err("ACP3x power off failed\n");
- return ret;
- }
- return 0;
-}
-
static irqreturn_t i2s_irq_handler(int irq, void *dev_id)
{
+ struct i2s_dev_data *rv_i2s_data;
u16 play_flag, cap_flag;
u32 val;
- struct i2s_dev_data *rv_i2s_data = dev_id;
+ rv_i2s_data = dev_id;
if (!rv_i2s_data)
return IRQ_NONE;
@@ -194,6 +78,13 @@ static irqreturn_t i2s_irq_handler(int irq, void *dev_id)
snd_pcm_period_elapsed(rv_i2s_data->play_stream);
play_flag = 1;
}
+ if ((val & BIT(I2S_TX_THRESHOLD)) &&
+ rv_i2s_data->i2ssp_play_stream) {
+ rv_writel(BIT(I2S_TX_THRESHOLD),
+ rv_i2s_data->acp3x_base + mmACP_EXTERNAL_INTR_STAT);
+ snd_pcm_period_elapsed(rv_i2s_data->i2ssp_play_stream);
+ play_flag = 1;
+ }
if ((val & BIT(BT_RX_THRESHOLD)) && rv_i2s_data->capture_stream) {
rv_writel(BIT(BT_RX_THRESHOLD), rv_i2s_data->acp3x_base +
@@ -201,6 +92,13 @@ static irqreturn_t i2s_irq_handler(int irq, void *dev_id)
snd_pcm_period_elapsed(rv_i2s_data->capture_stream);
cap_flag = 1;
}
+ if ((val & BIT(I2S_RX_THRESHOLD)) &&
+ rv_i2s_data->i2ssp_capture_stream) {
+ rv_writel(BIT(I2S_RX_THRESHOLD),
+ rv_i2s_data->acp3x_base + mmACP_EXTERNAL_INTR_STAT);
+ snd_pcm_period_elapsed(rv_i2s_data->i2ssp_capture_stream);
+ cap_flag = 1;
+ }
if (play_flag | cap_flag)
return IRQ_HANDLED;
@@ -211,15 +109,31 @@ static irqreturn_t i2s_irq_handler(int irq, void *dev_id)
static void config_acp3x_dma(struct i2s_stream_instance *rtd, int direction)
{
u16 page_idx;
- u32 low, high, val, acp_fifo_addr;
- dma_addr_t addr = rtd->dma_addr;
+ u32 low, high, val, acp_fifo_addr, reg_fifo_addr;
+ u32 reg_ringbuf_size, reg_dma_size, reg_fifo_size;
+ dma_addr_t addr;
- /* 8 scratch registers used to map one 64 bit address */
- if (direction == SNDRV_PCM_STREAM_PLAYBACK)
- val = 0;
- else
- val = rtd->num_pages * 8;
+ addr = rtd->dma_addr;
+ if (direction == SNDRV_PCM_STREAM_PLAYBACK) {
+ switch (rtd->i2s_instance) {
+ case I2S_BT_INSTANCE:
+ val = ACP_SRAM_BT_PB_PTE_OFFSET;
+ break;
+ case I2S_SP_INSTANCE:
+ default:
+ val = ACP_SRAM_SP_PB_PTE_OFFSET;
+ }
+ } else {
+ switch (rtd->i2s_instance) {
+ case I2S_BT_INSTANCE:
+ val = ACP_SRAM_BT_CP_PTE_OFFSET;
+ break;
+ case I2S_SP_INSTANCE:
+ default:
+ val = ACP_SRAM_SP_CP_PTE_OFFSET;
+ }
+ }
/* Group Enable */
rv_writel(ACP_SRAM_PTE_OFFSET | BIT(31), rtd->acp3x_base +
mmACPAXI2AXI_ATU_BASE_ADDR_GRP_1);
@@ -241,48 +155,77 @@ static void config_acp3x_dma(struct i2s_stream_instance *rtd, int direction)
}
if (direction == SNDRV_PCM_STREAM_PLAYBACK) {
- /* Config ringbuffer */
- rv_writel(MEM_WINDOW_START, rtd->acp3x_base +
- mmACP_BT_TX_RINGBUFADDR);
- rv_writel(MAX_BUFFER, rtd->acp3x_base +
- mmACP_BT_TX_RINGBUFSIZE);
- rv_writel(DMA_SIZE, rtd->acp3x_base + mmACP_BT_TX_DMA_SIZE);
-
- /* Config audio fifo */
- acp_fifo_addr = ACP_SRAM_PTE_OFFSET + (rtd->num_pages * 8)
- + PLAYBACK_FIFO_ADDR_OFFSET;
- rv_writel(acp_fifo_addr, rtd->acp3x_base +
- mmACP_BT_TX_FIFOADDR);
- rv_writel(FIFO_SIZE, rtd->acp3x_base + mmACP_BT_TX_FIFOSIZE);
+ switch (rtd->i2s_instance) {
+ case I2S_BT_INSTANCE:
+ reg_ringbuf_size = mmACP_BT_TX_RINGBUFSIZE;
+ reg_dma_size = mmACP_BT_TX_DMA_SIZE;
+ acp_fifo_addr = ACP_SRAM_PTE_OFFSET +
+ BT_PB_FIFO_ADDR_OFFSET;
+ reg_fifo_addr = mmACP_BT_TX_FIFOADDR;
+ reg_fifo_size = mmACP_BT_TX_FIFOSIZE;
+ rv_writel(I2S_BT_TX_MEM_WINDOW_START,
+ rtd->acp3x_base + mmACP_BT_TX_RINGBUFADDR);
+ break;
+
+ case I2S_SP_INSTANCE:
+ default:
+ reg_ringbuf_size = mmACP_I2S_TX_RINGBUFSIZE;
+ reg_dma_size = mmACP_I2S_TX_DMA_SIZE;
+ acp_fifo_addr = ACP_SRAM_PTE_OFFSET +
+ SP_PB_FIFO_ADDR_OFFSET;
+ reg_fifo_addr = mmACP_I2S_TX_FIFOADDR;
+ reg_fifo_size = mmACP_I2S_TX_FIFOSIZE;
+ rv_writel(I2S_SP_TX_MEM_WINDOW_START,
+ rtd->acp3x_base + mmACP_I2S_TX_RINGBUFADDR);
+ }
} else {
- /* Config ringbuffer */
- rv_writel(MEM_WINDOW_START + MAX_BUFFER, rtd->acp3x_base +
- mmACP_BT_RX_RINGBUFADDR);
- rv_writel(MAX_BUFFER, rtd->acp3x_base +
- mmACP_BT_RX_RINGBUFSIZE);
- rv_writel(DMA_SIZE, rtd->acp3x_base + mmACP_BT_RX_DMA_SIZE);
-
- /* Config audio fifo */
- acp_fifo_addr = ACP_SRAM_PTE_OFFSET +
- (rtd->num_pages * 8) + CAPTURE_FIFO_ADDR_OFFSET;
- rv_writel(acp_fifo_addr, rtd->acp3x_base +
- mmACP_BT_RX_FIFOADDR);
- rv_writel(FIFO_SIZE, rtd->acp3x_base + mmACP_BT_RX_FIFOSIZE);
- }
+ switch (rtd->i2s_instance) {
+ case I2S_BT_INSTANCE:
+ reg_ringbuf_size = mmACP_BT_RX_RINGBUFSIZE;
+ reg_dma_size = mmACP_BT_RX_DMA_SIZE;
+ acp_fifo_addr = ACP_SRAM_PTE_OFFSET +
+ BT_CAPT_FIFO_ADDR_OFFSET;
+ reg_fifo_addr = mmACP_BT_RX_FIFOADDR;
+ reg_fifo_size = mmACP_BT_RX_FIFOSIZE;
+ rv_writel(I2S_BT_RX_MEM_WINDOW_START,
+ rtd->acp3x_base + mmACP_BT_RX_RINGBUFADDR);
+ break;
- /* Enable watermark/period interrupt to host */
- rv_writel(BIT(BT_TX_THRESHOLD) | BIT(BT_RX_THRESHOLD),
- rtd->acp3x_base + mmACP_EXTERNAL_INTR_CNTL);
+ case I2S_SP_INSTANCE:
+ default:
+ reg_ringbuf_size = mmACP_I2S_RX_RINGBUFSIZE;
+ reg_dma_size = mmACP_I2S_RX_DMA_SIZE;
+ acp_fifo_addr = ACP_SRAM_PTE_OFFSET +
+ SP_CAPT_FIFO_ADDR_OFFSET;
+ reg_fifo_addr = mmACP_I2S_RX_FIFOADDR;
+ reg_fifo_size = mmACP_I2S_RX_FIFOSIZE;
+ rv_writel(I2S_SP_RX_MEM_WINDOW_START,
+ rtd->acp3x_base + mmACP_I2S_RX_RINGBUFADDR);
+ }
+ }
+ rv_writel(MAX_BUFFER, rtd->acp3x_base + reg_ringbuf_size);
+ rv_writel(DMA_SIZE, rtd->acp3x_base + reg_dma_size);
+ rv_writel(acp_fifo_addr, rtd->acp3x_base + reg_fifo_addr);
+ rv_writel(FIFO_SIZE, rtd->acp3x_base + reg_fifo_size);
+ rv_writel(BIT(I2S_RX_THRESHOLD) | BIT(BT_RX_THRESHOLD)
+ | BIT(I2S_TX_THRESHOLD) | BIT(BT_TX_THRESHOLD),
+ rtd->acp3x_base + mmACP_EXTERNAL_INTR_CNTL);
}
static int acp3x_dma_open(struct snd_soc_component *component,
struct snd_pcm_substream *substream)
{
- int ret = 0;
- struct snd_pcm_runtime *runtime = substream->runtime;
- struct i2s_dev_data *adata = dev_get_drvdata(component->dev);
- struct i2s_stream_instance *i2s_data = kzalloc(sizeof(struct i2s_stream_instance),
- GFP_KERNEL);
+ struct snd_pcm_runtime *runtime;
+ struct snd_soc_pcm_runtime *prtd;
+ struct i2s_dev_data *adata;
+ struct i2s_stream_instance *i2s_data;
+ int ret;
+
+ runtime = substream->runtime;
+ prtd = substream->private_data;
+ component = snd_soc_rtdcom_lookup(prtd, DRV_NAME);
+ adata = dev_get_drvdata(component->dev);
+ i2s_data = kzalloc(sizeof(*i2s_data), GFP_KERNEL);
if (!i2s_data)
return -EINVAL;
@@ -299,74 +242,77 @@ static int acp3x_dma_open(struct snd_soc_component *component,
return ret;
}
- if (!adata->play_stream && !adata->capture_stream)
+ if (!adata->play_stream && !adata->capture_stream &&
+ adata->i2ssp_play_stream && !adata->i2ssp_capture_stream)
rv_writel(1, adata->acp3x_base + mmACP_EXTERNAL_INTR_ENB);
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
adata->play_stream = substream;
- else
+ adata->i2ssp_play_stream = substream;
+ } else {
adata->capture_stream = substream;
+ adata->i2ssp_capture_stream = substream;
+ }
i2s_data->acp3x_base = adata->acp3x_base;
runtime->private_data = i2s_data;
- return 0;
+ return ret;
}
-static u64 acp_get_byte_count(struct i2s_stream_instance *rtd, int direction)
-{
- u64 byte_count;
-
- if (direction == SNDRV_PCM_STREAM_PLAYBACK) {
- byte_count = rv_readl(rtd->acp3x_base +
- mmACP_BT_TX_LINEARPOSITIONCNTR_HIGH);
- byte_count |= rv_readl(rtd->acp3x_base +
- mmACP_BT_TX_LINEARPOSITIONCNTR_LOW);
- } else {
- byte_count = rv_readl(rtd->acp3x_base +
- mmACP_BT_RX_LINEARPOSITIONCNTR_HIGH);
- byte_count |= rv_readl(rtd->acp3x_base +
- mmACP_BT_RX_LINEARPOSITIONCNTR_LOW);
- }
- return byte_count;
-}
static int acp3x_dma_hw_params(struct snd_soc_component *component,
struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
- int status;
+ struct i2s_stream_instance *rtd;
+ struct snd_soc_pcm_runtime *prtd;
+ struct snd_soc_card *card;
+ struct acp3x_platform_info *pinfo;
u64 size;
- struct snd_pcm_runtime *runtime = substream->runtime;
- struct i2s_stream_instance *rtd = runtime->private_data;
+ prtd = substream->private_data;
+ card = prtd->card;
+ pinfo = snd_soc_card_get_drvdata(card);
+ rtd = substream->runtime->private_data;
if (!rtd)
return -EINVAL;
+ if (pinfo)
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ rtd->i2s_instance = pinfo->play_i2s_instance;
+ else
+ rtd->i2s_instance = pinfo->cap_i2s_instance;
+ else
+ pr_err("pinfo failed\n");
+
size = params_buffer_bytes(params);
- status = snd_pcm_lib_malloc_pages(substream, size);
- if (status < 0)
- return status;
-
- memset(substream->runtime->dma_area, 0, params_buffer_bytes(params));
- if (substream->dma_buffer.area) {
- rtd->dma_addr = substream->dma_buffer.addr;
- rtd->num_pages = (PAGE_ALIGN(size) >> PAGE_SHIFT);
- config_acp3x_dma(rtd, substream->stream);
- status = 0;
- } else {
- status = -ENOMEM;
- }
- return status;
+ rtd->dma_addr = substream->dma_buffer.addr;
+ rtd->num_pages = (PAGE_ALIGN(size) >> PAGE_SHIFT);
+ config_acp3x_dma(rtd, substream->stream);
+ return 0;
}
static snd_pcm_uframes_t acp3x_dma_pointer(struct snd_soc_component *component,
struct snd_pcm_substream *substream)
{
- u32 pos = 0;
- u32 buffersize = 0;
- u64 bytescount = 0;
- struct i2s_stream_instance *rtd =
- substream->runtime->private_data;
+ struct snd_soc_pcm_runtime *prtd;
+ struct snd_soc_card *card;
+ struct acp3x_platform_info *pinfo;
+ struct i2s_stream_instance *rtd;
+ u32 pos;
+ u32 buffersize;
+ u64 bytescount;
+
+ prtd = substream->private_data;
+ card = prtd->card;
+ rtd = substream->runtime->private_data;
+ pinfo = snd_soc_card_get_drvdata(card);
+ if (pinfo) {
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ rtd->i2s_instance = pinfo->play_i2s_instance;
+ else
+ rtd->i2s_instance = pinfo->cap_i2s_instance;
+ }
buffersize = frames_to_bytes(substream->runtime,
substream->runtime->buffer_size);
@@ -381,17 +327,11 @@ static int acp3x_dma_new(struct snd_soc_component *component,
struct snd_soc_pcm_runtime *rtd)
{
struct device *parent = component->dev->parent;
- snd_pcm_lib_preallocate_pages_for_all(rtd->pcm, SNDRV_DMA_TYPE_DEV,
- parent, MIN_BUFFER, MAX_BUFFER);
+ snd_pcm_set_managed_buffer_all(rtd->pcm, SNDRV_DMA_TYPE_DEV,
+ parent, MIN_BUFFER, MAX_BUFFER);
return 0;
}
-static int acp3x_dma_hw_free(struct snd_soc_component *component,
- struct snd_pcm_substream *substream)
-{
- return snd_pcm_lib_free_pages(substream);
-}
-
static int acp3x_dma_mmap(struct snd_soc_component *component,
struct snd_pcm_substream *substream,
struct vm_area_struct *vma)
@@ -402,206 +342,35 @@ static int acp3x_dma_mmap(struct snd_soc_component *component,
static int acp3x_dma_close(struct snd_soc_component *component,
struct snd_pcm_substream *substream)
{
- struct i2s_stream_instance *rtd = substream->runtime->private_data;
- struct i2s_dev_data *adata = dev_get_drvdata(component->dev);
+ struct snd_soc_pcm_runtime *prtd;
+ struct i2s_dev_data *adata;
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ prtd = substream->private_data;
+ component = snd_soc_rtdcom_lookup(prtd, DRV_NAME);
+ adata = dev_get_drvdata(component->dev);
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
adata->play_stream = NULL;
- else
+ adata->i2ssp_play_stream = NULL;
+ } else {
adata->capture_stream = NULL;
+ adata->i2ssp_capture_stream = NULL;
+ }
/* Disable ACP irq, when the current stream is being closed and
* another stream is also not active.
*/
- if (!adata->play_stream && !adata->capture_stream)
+ if (!adata->play_stream && !adata->capture_stream &&
+ !adata->i2ssp_play_stream && !adata->i2ssp_capture_stream)
rv_writel(0, adata->acp3x_base + mmACP_EXTERNAL_INTR_ENB);
- kfree(rtd);
- return 0;
-}
-
-static int acp3x_dai_i2s_set_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt)
-{
-
- struct i2s_dev_data *adata = snd_soc_dai_get_drvdata(cpu_dai);
-
- switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
- case SND_SOC_DAIFMT_I2S:
- adata->tdm_mode = false;
- break;
- case SND_SOC_DAIFMT_DSP_A:
- adata->tdm_mode = true;
- break;
- default:
- return -EINVAL;
- }
-
- return 0;
-}
-
-static int acp3x_dai_set_tdm_slot(struct snd_soc_dai *cpu_dai, u32 tx_mask,
- u32 rx_mask, int slots, int slot_width)
-{
- u32 val = 0;
- u16 slot_len;
-
- struct i2s_dev_data *adata = snd_soc_dai_get_drvdata(cpu_dai);
-
- switch (slot_width) {
- case SLOT_WIDTH_8:
- slot_len = 8;
- break;
- case SLOT_WIDTH_16:
- slot_len = 16;
- break;
- case SLOT_WIDTH_24:
- slot_len = 24;
- break;
- case SLOT_WIDTH_32:
- slot_len = 0;
- break;
- default:
- return -EINVAL;
- }
-
- val = rv_readl(adata->acp3x_base + mmACP_BTTDM_ITER);
- rv_writel((val | 0x2), adata->acp3x_base + mmACP_BTTDM_ITER);
- val = rv_readl(adata->acp3x_base + mmACP_BTTDM_IRER);
- rv_writel((val | 0x2), adata->acp3x_base + mmACP_BTTDM_IRER);
-
- val = (FRM_LEN | (slots << 15) | (slot_len << 18));
- rv_writel(val, adata->acp3x_base + mmACP_BTTDM_TXFRMT);
- rv_writel(val, adata->acp3x_base + mmACP_BTTDM_RXFRMT);
-
- adata->tdm_fmt = val;
return 0;
}
-static int acp3x_dai_i2s_hwparams(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params,
- struct snd_soc_dai *dai)
-{
- u32 val = 0;
- struct i2s_stream_instance *rtd = substream->runtime->private_data;
-
- switch (params_format(params)) {
- case SNDRV_PCM_FORMAT_U8:
- case SNDRV_PCM_FORMAT_S8:
- rtd->xfer_resolution = 0x0;
- break;
- case SNDRV_PCM_FORMAT_S16_LE:
- rtd->xfer_resolution = 0x02;
- break;
- case SNDRV_PCM_FORMAT_S24_LE:
- rtd->xfer_resolution = 0x04;
- break;
- case SNDRV_PCM_FORMAT_S32_LE:
- rtd->xfer_resolution = 0x05;
- break;
- default:
- return -EINVAL;
- }
- val = rv_readl(rtd->acp3x_base + mmACP_BTTDM_ITER);
- val = val | (rtd->xfer_resolution << 3);
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- rv_writel(val, rtd->acp3x_base + mmACP_BTTDM_ITER);
- else
- rv_writel(val, rtd->acp3x_base + mmACP_BTTDM_IRER);
-
- return 0;
-}
-
-static int acp3x_dai_i2s_trigger(struct snd_pcm_substream *substream,
- int cmd, struct snd_soc_dai *dai)
-{
- int ret = 0;
- struct i2s_stream_instance *rtd = substream->runtime->private_data;
- u32 val, period_bytes;
-
- period_bytes = frames_to_bytes(substream->runtime,
- substream->runtime->period_size);
- switch (cmd) {
- case SNDRV_PCM_TRIGGER_START:
- case SNDRV_PCM_TRIGGER_RESUME:
- case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
- rtd->bytescount = acp_get_byte_count(rtd, substream->stream);
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
- rv_writel(period_bytes, rtd->acp3x_base +
- mmACP_BT_TX_INTR_WATERMARK_SIZE);
- val = rv_readl(rtd->acp3x_base + mmACP_BTTDM_ITER);
- val = val | BIT(0);
- rv_writel(val, rtd->acp3x_base + mmACP_BTTDM_ITER);
- } else {
- rv_writel(period_bytes, rtd->acp3x_base +
- mmACP_BT_RX_INTR_WATERMARK_SIZE);
- val = rv_readl(rtd->acp3x_base + mmACP_BTTDM_IRER);
- val = val | BIT(0);
- rv_writel(val, rtd->acp3x_base + mmACP_BTTDM_IRER);
- }
- rv_writel(1, rtd->acp3x_base + mmACP_BTTDM_IER);
- break;
- case SNDRV_PCM_TRIGGER_STOP:
- case SNDRV_PCM_TRIGGER_SUSPEND:
- case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
- val = rv_readl(rtd->acp3x_base + mmACP_BTTDM_ITER);
- val = val & ~BIT(0);
- rv_writel(val, rtd->acp3x_base + mmACP_BTTDM_ITER);
- } else {
- val = rv_readl(rtd->acp3x_base + mmACP_BTTDM_IRER);
- val = val & ~BIT(0);
- rv_writel(val, rtd->acp3x_base + mmACP_BTTDM_IRER);
- }
- rv_writel(0, rtd->acp3x_base + mmACP_BTTDM_IER);
- break;
- default:
- ret = -EINVAL;
- break;
- }
-
- return ret;
-}
-
-static struct snd_soc_dai_ops acp3x_dai_i2s_ops = {
- .hw_params = acp3x_dai_i2s_hwparams,
- .trigger = acp3x_dai_i2s_trigger,
- .set_fmt = acp3x_dai_i2s_set_fmt,
- .set_tdm_slot = acp3x_dai_set_tdm_slot,
-};
-
-static struct snd_soc_dai_driver acp3x_i2s_dai_driver = {
- .playback = {
- .rates = SNDRV_PCM_RATE_8000_96000,
- .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |
- SNDRV_PCM_FMTBIT_U8 |
- SNDRV_PCM_FMTBIT_S24_LE |
- SNDRV_PCM_FMTBIT_S32_LE,
- .channels_min = 2,
- .channels_max = 8,
-
- .rate_min = 8000,
- .rate_max = 96000,
- },
- .capture = {
- .rates = SNDRV_PCM_RATE_8000_48000,
- .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |
- SNDRV_PCM_FMTBIT_U8 |
- SNDRV_PCM_FMTBIT_S24_LE |
- SNDRV_PCM_FMTBIT_S32_LE,
- .channels_min = 2,
- .channels_max = 2,
- .rate_min = 8000,
- .rate_max = 48000,
- },
- .ops = &acp3x_dai_i2s_ops,
-};
-
static const struct snd_soc_component_driver acp3x_i2s_component = {
.name = DRV_NAME,
.open = acp3x_dma_open,
.close = acp3x_dma_close,
- .ioctl = snd_soc_pcm_lib_ioctl,
.hw_params = acp3x_dma_hw_params,
- .hw_free = acp3x_dma_hw_free,
.pointer = acp3x_dma_pointer,
.mmap = acp3x_dma_mmap,
.pcm_construct = acp3x_dma_new,
@@ -609,10 +378,10 @@ static const struct snd_soc_component_driver acp3x_i2s_component = {
static int acp3x_audio_probe(struct platform_device *pdev)
{
- int status;
struct resource *res;
struct i2s_dev_data *adata;
unsigned int irqflags;
+ int status;
if (!pdev->dev.platform_data) {
dev_err(&pdev->dev, "platform_data not retrieved\n");
@@ -622,7 +391,7 @@ static int acp3x_audio_probe(struct platform_device *pdev)
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
- dev_err(&pdev->dev, "IORESOURCE_IRQ FAILED\n");
+ dev_err(&pdev->dev, "IORESOURCE_MEM FAILED\n");
return -ENODEV;
}
@@ -632,6 +401,8 @@ static int acp3x_audio_probe(struct platform_device *pdev)
adata->acp3x_base = devm_ioremap(&pdev->dev, res->start,
resource_size(res));
+ if (!adata->acp3x_base)
+ return -ENOMEM;
res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (!res) {
@@ -640,97 +411,81 @@ static int acp3x_audio_probe(struct platform_device *pdev)
}
adata->i2s_irq = res->start;
- adata->play_stream = NULL;
- adata->capture_stream = NULL;
dev_set_drvdata(&pdev->dev, adata);
- /* Initialize ACP */
- status = acp3x_init(adata->acp3x_base);
- if (status)
- return -ENODEV;
status = devm_snd_soc_register_component(&pdev->dev,
&acp3x_i2s_component,
- &acp3x_i2s_dai_driver, 1);
+ NULL, 0);
if (status) {
- dev_err(&pdev->dev, "Fail to register acp i2s dai\n");
- goto dev_err;
+ dev_err(&pdev->dev, "Fail to register acp i2s component\n");
+ return -ENODEV;
}
status = devm_request_irq(&pdev->dev, adata->i2s_irq, i2s_irq_handler,
irqflags, "ACP3x_I2S_IRQ", adata);
if (status) {
dev_err(&pdev->dev, "ACP3x I2S IRQ request failed\n");
- goto dev_err;
+ return -ENODEV;
}
- pm_runtime_set_autosuspend_delay(&pdev->dev, 10000);
+ pm_runtime_set_autosuspend_delay(&pdev->dev, 2000);
pm_runtime_use_autosuspend(&pdev->dev);
pm_runtime_enable(&pdev->dev);
+ pm_runtime_allow(&pdev->dev);
return 0;
-dev_err:
- status = acp3x_deinit(adata->acp3x_base);
- if (status)
- dev_err(&pdev->dev, "ACP de-init failed\n");
- else
- dev_info(&pdev->dev, "ACP de-initialized\n");
- /*ignore device status and return driver probe error*/
- return -ENODEV;
}
static int acp3x_audio_remove(struct platform_device *pdev)
{
- int ret;
- struct i2s_dev_data *adata = dev_get_drvdata(&pdev->dev);
-
- ret = acp3x_deinit(adata->acp3x_base);
- if (ret)
- dev_err(&pdev->dev, "ACP de-init failed\n");
- else
- dev_info(&pdev->dev, "ACP de-initialized\n");
-
pm_runtime_disable(&pdev->dev);
return 0;
}
static int acp3x_resume(struct device *dev)
{
- int status;
- u32 val;
- struct i2s_dev_data *adata = dev_get_drvdata(dev);
+ struct i2s_dev_data *adata;
+ u32 val, reg_val, frmt_val;
- status = acp3x_init(adata->acp3x_base);
- if (status)
- return -ENODEV;
+ reg_val = 0;
+ frmt_val = 0;
+ adata = dev_get_drvdata(dev);
if (adata->play_stream && adata->play_stream->runtime) {
struct i2s_stream_instance *rtd =
adata->play_stream->runtime->private_data;
config_acp3x_dma(rtd, SNDRV_PCM_STREAM_PLAYBACK);
- rv_writel((rtd->xfer_resolution << 3),
- rtd->acp3x_base + mmACP_BTTDM_ITER);
- if (adata->tdm_mode == true) {
- rv_writel(adata->tdm_fmt, adata->acp3x_base +
- mmACP_BTTDM_TXFRMT);
- val = rv_readl(adata->acp3x_base + mmACP_BTTDM_ITER);
- rv_writel((val | 0x2), adata->acp3x_base +
- mmACP_BTTDM_ITER);
+ switch (rtd->i2s_instance) {
+ case I2S_BT_INSTANCE:
+ reg_val = mmACP_BTTDM_ITER;
+ frmt_val = mmACP_BTTDM_TXFRMT;
+ break;
+ case I2S_SP_INSTANCE:
+ default:
+ reg_val = mmACP_I2STDM_ITER;
+ frmt_val = mmACP_I2STDM_TXFRMT;
}
+ rv_writel((rtd->xfer_resolution << 3), rtd->acp3x_base + reg_val);
}
-
if (adata->capture_stream && adata->capture_stream->runtime) {
struct i2s_stream_instance *rtd =
adata->capture_stream->runtime->private_data;
config_acp3x_dma(rtd, SNDRV_PCM_STREAM_CAPTURE);
- rv_writel((rtd->xfer_resolution << 3),
- rtd->acp3x_base + mmACP_BTTDM_IRER);
- if (adata->tdm_mode == true) {
- rv_writel(adata->tdm_fmt, adata->acp3x_base +
- mmACP_BTTDM_RXFRMT);
- val = rv_readl(adata->acp3x_base + mmACP_BTTDM_IRER);
- rv_writel((val | 0x2), adata->acp3x_base +
- mmACP_BTTDM_IRER);
+ switch (rtd->i2s_instance) {
+ case I2S_BT_INSTANCE:
+ reg_val = mmACP_BTTDM_IRER;
+ frmt_val = mmACP_BTTDM_RXFRMT;
+ break;
+ case I2S_SP_INSTANCE:
+ default:
+ reg_val = mmACP_I2STDM_IRER;
+ frmt_val = mmACP_I2STDM_RXFRMT;
}
+ rv_writel((rtd->xfer_resolution << 3), rtd->acp3x_base + reg_val);
+ }
+ if (adata->tdm_mode == TDM_ENABLE) {
+ rv_writel(adata->tdm_fmt, adata->acp3x_base + frmt_val);
+ val = rv_readl(adata->acp3x_base + reg_val);
+ rv_writel(val | 0x2, adata->acp3x_base + reg_val);
}
-
rv_writel(1, adata->acp3x_base + mmACP_EXTERNAL_INTR_ENB);
return 0;
}
@@ -738,14 +493,9 @@ static int acp3x_resume(struct device *dev)
static int acp3x_pcm_runtime_suspend(struct device *dev)
{
- int status;
- struct i2s_dev_data *adata = dev_get_drvdata(dev);
+ struct i2s_dev_data *adata;
- status = acp3x_deinit(adata->acp3x_base);
- if (status)
- dev_err(dev, "ACP de-init failed\n");
- else
- dev_info(dev, "ACP de-initialized\n");
+ adata = dev_get_drvdata(dev);
rv_writel(0, adata->acp3x_base + mmACP_EXTERNAL_INTR_ENB);
@@ -754,12 +504,10 @@ static int acp3x_pcm_runtime_suspend(struct device *dev)
static int acp3x_pcm_runtime_resume(struct device *dev)
{
- int status;
- struct i2s_dev_data *adata = dev_get_drvdata(dev);
+ struct i2s_dev_data *adata;
+
+ adata = dev_get_drvdata(dev);
- status = acp3x_init(adata->acp3x_base);
- if (status)
- return -ENODEV;
rv_writel(1, adata->acp3x_base + mmACP_EXTERNAL_INTR_ENB);
return 0;
}
@@ -774,13 +522,14 @@ static struct platform_driver acp3x_dma_driver = {
.probe = acp3x_audio_probe,
.remove = acp3x_audio_remove,
.driver = {
- .name = "acp3x_rv_i2s",
+ .name = "acp3x_rv_i2s_dma",
.pm = &acp3x_pm_ops,
},
};
module_platform_driver(acp3x_dma_driver);
+MODULE_AUTHOR("Vishnuvardhanrao.Ravulapati@amd.com");
MODULE_AUTHOR("Maruthi.Bayyavarapu@amd.com");
MODULE_AUTHOR("Vijendar.Mukunda@amd.com");
MODULE_DESCRIPTION("AMD ACP 3.x PCM Driver");
diff --git a/sound/soc/amd/raven/acp3x.h b/sound/soc/amd/raven/acp3x.h
index 4f2cadd90a87..21e7ac017f2b 100644
--- a/sound/soc/amd/raven/acp3x.h
+++ b/sound/soc/amd/raven/acp3x.h
@@ -6,14 +6,28 @@
*/
#include "chip_offset_byte.h"
+#include <sound/pcm.h>
+#define I2S_SP_INSTANCE 0x01
+#define I2S_BT_INSTANCE 0x02
+#define TDM_ENABLE 1
+#define TDM_DISABLE 0
+
+#define ACP3x_DEVS 4
#define ACP3x_PHY_BASE_ADDRESS 0x1240000
#define ACP3x_I2S_MODE 0
#define ACP3x_REG_START 0x1240000
#define ACP3x_REG_END 0x1250200
+#define ACP3x_I2STDM_REG_START 0x1242400
+#define ACP3x_I2STDM_REG_END 0x1242410
+#define ACP3x_BT_TDM_REG_START 0x1242800
+#define ACP3x_BT_TDM_REG_END 0x1242810
#define I2S_MODE 0x04
+#define I2S_RX_THRESHOLD 27
+#define I2S_TX_THRESHOLD 28
#define BT_TX_THRESHOLD 26
#define BT_RX_THRESHOLD 25
+#define ACP_ERR_INTR_MASK 29
#define ACP3x_POWER_ON 0x00
#define ACP3x_POWER_ON_IN_PROGRESS 0x01
#define ACP3x_POWER_OFF 0x02
@@ -21,19 +35,28 @@
#define ACP3x_SOFT_RESET__SoftResetAudDone_MASK 0x00010001
#define ACP_SRAM_PTE_OFFSET 0x02050000
+#define ACP_SRAM_SP_PB_PTE_OFFSET 0x0
+#define ACP_SRAM_SP_CP_PTE_OFFSET 0x100
+#define ACP_SRAM_BT_PB_PTE_OFFSET 0x200
+#define ACP_SRAM_BT_CP_PTE_OFFSET 0x300
#define PAGE_SIZE_4K_ENABLE 0x2
-#define MEM_WINDOW_START 0x4000000
-#define PLAYBACK_FIFO_ADDR_OFFSET 0x400
-#define CAPTURE_FIFO_ADDR_OFFSET 0x500
+#define I2S_SP_TX_MEM_WINDOW_START 0x4000000
+#define I2S_SP_RX_MEM_WINDOW_START 0x4020000
+#define I2S_BT_TX_MEM_WINDOW_START 0x4040000
+#define I2S_BT_RX_MEM_WINDOW_START 0x4060000
+#define SP_PB_FIFO_ADDR_OFFSET 0x500
+#define SP_CAPT_FIFO_ADDR_OFFSET 0x700
+#define BT_PB_FIFO_ADDR_OFFSET 0x900
+#define BT_CAPT_FIFO_ADDR_OFFSET 0xB00
#define PLAYBACK_MIN_NUM_PERIODS 2
#define PLAYBACK_MAX_NUM_PERIODS 8
-#define PLAYBACK_MAX_PERIOD_SIZE 16384
-#define PLAYBACK_MIN_PERIOD_SIZE 4096
+#define PLAYBACK_MAX_PERIOD_SIZE 8192
+#define PLAYBACK_MIN_PERIOD_SIZE 1024
#define CAPTURE_MIN_NUM_PERIODS 2
#define CAPTURE_MAX_NUM_PERIODS 8
-#define CAPTURE_MAX_PERIOD_SIZE 16384
-#define CAPTURE_MIN_PERIOD_SIZE 4096
+#define CAPTURE_MAX_PERIOD_SIZE 8192
+#define CAPTURE_MIN_PERIOD_SIZE 1024
#define MAX_BUFFER (PLAYBACK_MAX_PERIOD_SIZE * PLAYBACK_MAX_NUM_PERIODS)
#define MIN_BUFFER MAX_BUFFER
@@ -45,7 +68,45 @@
#define SLOT_WIDTH_16 0x10
#define SLOT_WIDTH_24 0x18
#define SLOT_WIDTH_32 0x20
+#define ACP_PGFSM_CNTL_POWER_ON_MASK 0x01
+#define ACP_PGFSM_CNTL_POWER_OFF_MASK 0x00
+#define ACP_PGFSM_STATUS_MASK 0x03
+#define ACP_POWERED_ON 0x00
+#define ACP_POWER_ON_IN_PROGRESS 0x01
+#define ACP_POWERED_OFF 0x02
+#define ACP_POWER_OFF_IN_PROGRESS 0x03
+
+struct acp3x_platform_info {
+ u16 play_i2s_instance;
+ u16 cap_i2s_instance;
+ u16 capture_channel;
+};
+struct i2s_dev_data {
+ bool tdm_mode;
+ unsigned int i2s_irq;
+ u16 i2s_instance;
+ u32 tdm_fmt;
+ u32 substream_type;
+ void __iomem *acp3x_base;
+ struct snd_pcm_substream *play_stream;
+ struct snd_pcm_substream *capture_stream;
+ struct snd_pcm_substream *i2ssp_play_stream;
+ struct snd_pcm_substream *i2ssp_capture_stream;
+};
+
+struct i2s_stream_instance {
+ u16 num_pages;
+ u16 i2s_instance;
+ u16 capture_channel;
+ u16 direction;
+ u16 channels;
+ u32 xfer_resolution;
+ u32 val;
+ dma_addr_t dma_addr;
+ u64 bytescount;
+ void __iomem *acp3x_base;
+};
static inline u32 rv_readl(void __iomem *base_addr)
{
@@ -56,3 +117,43 @@ static inline void rv_writel(u32 val, void __iomem *base_addr)
{
writel(val, base_addr - ACP3x_PHY_BASE_ADDRESS);
}
+
+static inline u64 acp_get_byte_count(struct i2s_stream_instance *rtd,
+ int direction)
+{
+ u64 byte_count;
+
+ if (direction == SNDRV_PCM_STREAM_PLAYBACK) {
+ switch (rtd->i2s_instance) {
+ case I2S_BT_INSTANCE:
+ byte_count = rv_readl(rtd->acp3x_base +
+ mmACP_BT_TX_LINEARPOSITIONCNTR_HIGH);
+ byte_count |= rv_readl(rtd->acp3x_base +
+ mmACP_BT_TX_LINEARPOSITIONCNTR_LOW);
+ break;
+ case I2S_SP_INSTANCE:
+ default:
+ byte_count = rv_readl(rtd->acp3x_base +
+ mmACP_I2S_TX_LINEARPOSITIONCNTR_HIGH);
+ byte_count |= rv_readl(rtd->acp3x_base +
+ mmACP_I2S_TX_LINEARPOSITIONCNTR_LOW);
+ }
+
+ } else {
+ switch (rtd->i2s_instance) {
+ case I2S_BT_INSTANCE:
+ byte_count = rv_readl(rtd->acp3x_base +
+ mmACP_BT_RX_LINEARPOSITIONCNTR_HIGH);
+ byte_count |= rv_readl(rtd->acp3x_base +
+ mmACP_BT_RX_LINEARPOSITIONCNTR_LOW);
+ break;
+ case I2S_SP_INSTANCE:
+ default:
+ byte_count = rv_readl(rtd->acp3x_base +
+ mmACP_I2S_RX_LINEARPOSITIONCNTR_HIGH);
+ byte_count |= rv_readl(rtd->acp3x_base +
+ mmACP_I2S_RX_LINEARPOSITIONCNTR_LOW);
+ }
+ }
+ return byte_count;
+}
diff --git a/sound/soc/amd/raven/pci-acp3x.c b/sound/soc/amd/raven/pci-acp3x.c
index facec2472b34..65330bb50e74 100644
--- a/sound/soc/amd/raven/pci-acp3x.c
+++ b/sound/soc/amd/raven/pci-acp3x.c
@@ -9,6 +9,8 @@
#include <linux/io.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
+#include <linux/pm_runtime.h>
+#include <linux/delay.h>
#include "acp3x.h"
@@ -16,17 +18,120 @@ struct acp3x_dev_data {
void __iomem *acp3x_base;
bool acp3x_audio_mode;
struct resource *res;
- struct platform_device *pdev;
+ struct platform_device *pdev[ACP3x_DEVS];
};
+static int acp3x_power_on(void __iomem *acp3x_base)
+{
+ u32 val;
+ int timeout;
+
+ val = rv_readl(acp3x_base + mmACP_PGFSM_STATUS);
+
+ if (val == 0)
+ return val;
+
+ if (!((val & ACP_PGFSM_STATUS_MASK) ==
+ ACP_POWER_ON_IN_PROGRESS))
+ rv_writel(ACP_PGFSM_CNTL_POWER_ON_MASK,
+ acp3x_base + mmACP_PGFSM_CONTROL);
+ timeout = 0;
+ while (++timeout < 500) {
+ val = rv_readl(acp3x_base + mmACP_PGFSM_STATUS);
+ if (!val)
+ return 0;
+ udelay(1);
+ }
+ return -ETIMEDOUT;
+}
+
+static int acp3x_power_off(void __iomem *acp3x_base)
+{
+ u32 val;
+ int timeout;
+
+ rv_writel(ACP_PGFSM_CNTL_POWER_OFF_MASK,
+ acp3x_base + mmACP_PGFSM_CONTROL);
+ timeout = 0;
+ while (++timeout < 500) {
+ val = rv_readl(acp3x_base + mmACP_PGFSM_STATUS);
+ if ((val & ACP_PGFSM_STATUS_MASK) == ACP_POWERED_OFF)
+ return 0;
+ udelay(1);
+ }
+ return -ETIMEDOUT;
+}
+
+static int acp3x_reset(void __iomem *acp3x_base)
+{
+ u32 val;
+ int timeout;
+
+ rv_writel(1, acp3x_base + mmACP_SOFT_RESET);
+ timeout = 0;
+ while (++timeout < 500) {
+ val = rv_readl(acp3x_base + mmACP_SOFT_RESET);
+ if (val & ACP3x_SOFT_RESET__SoftResetAudDone_MASK)
+ break;
+ cpu_relax();
+ }
+ rv_writel(0, acp3x_base + mmACP_SOFT_RESET);
+ timeout = 0;
+ while (++timeout < 500) {
+ val = rv_readl(acp3x_base + mmACP_SOFT_RESET);
+ if (!val)
+ return 0;
+ cpu_relax();
+ }
+ return -ETIMEDOUT;
+}
+
+static int acp3x_init(void __iomem *acp3x_base)
+{
+ int ret;
+
+ /* power on */
+ ret = acp3x_power_on(acp3x_base);
+ if (ret) {
+ pr_err("ACP3x power on failed\n");
+ return ret;
+ }
+ /* Reset */
+ ret = acp3x_reset(acp3x_base);
+ if (ret) {
+ pr_err("ACP3x reset failed\n");
+ return ret;
+ }
+ return 0;
+}
+
+static int acp3x_deinit(void __iomem *acp3x_base)
+{
+ int ret;
+
+ /* Reset */
+ ret = acp3x_reset(acp3x_base);
+ if (ret) {
+ pr_err("ACP3x reset failed\n");
+ return ret;
+ }
+ /* power off */
+ ret = acp3x_power_off(acp3x_base);
+ if (ret) {
+ pr_err("ACP3x power off failed\n");
+ return ret;
+ }
+ return 0;
+}
+
static int snd_acp3x_probe(struct pci_dev *pci,
const struct pci_device_id *pci_id)
{
- int ret;
- u32 addr, val;
struct acp3x_dev_data *adata;
- struct platform_device_info pdevinfo;
+ struct platform_device_info pdevinfo[ACP3x_DEVS];
unsigned int irqflags;
+ int ret, i;
+ u32 addr, val;
if (pci_enable_device(pci)) {
dev_err(&pci->dev, "pci_enable_device failed\n");
@@ -56,23 +161,27 @@ static int snd_acp3x_probe(struct pci_dev *pci,
irqflags = 0;
addr = pci_resource_start(pci, 0);
- adata->acp3x_base = ioremap(addr, pci_resource_len(pci, 0));
+ adata->acp3x_base = devm_ioremap(&pci->dev, addr,
+ pci_resource_len(pci, 0));
if (!adata->acp3x_base) {
ret = -ENOMEM;
- goto release_regions;
+ goto disable_msi;
}
pci_set_master(pci);
pci_set_drvdata(pci, adata);
+ ret = acp3x_init(adata->acp3x_base);
+ if (ret)
+ goto disable_msi;
val = rv_readl(adata->acp3x_base + mmACP_I2S_PIN_CONFIG);
switch (val) {
case I2S_MODE:
adata->res = devm_kzalloc(&pci->dev,
- sizeof(struct resource) * 2,
+ sizeof(struct resource) * 4,
GFP_KERNEL);
if (!adata->res) {
ret = -ENOMEM;
- goto unmap_mmio;
+ goto de_init;
}
adata->res[0].name = "acp3x_i2s_iomem";
@@ -80,40 +189,82 @@ static int snd_acp3x_probe(struct pci_dev *pci,
adata->res[0].start = addr;
adata->res[0].end = addr + (ACP3x_REG_END - ACP3x_REG_START);
- adata->res[1].name = "acp3x_i2s_irq";
- adata->res[1].flags = IORESOURCE_IRQ;
- adata->res[1].start = pci->irq;
- adata->res[1].end = pci->irq;
+ adata->res[1].name = "acp3x_i2s_sp";
+ adata->res[1].flags = IORESOURCE_MEM;
+ adata->res[1].start = addr + ACP3x_I2STDM_REG_START;
+ adata->res[1].end = addr + ACP3x_I2STDM_REG_END;
+
+ adata->res[2].name = "acp3x_i2s_bt";
+ adata->res[2].flags = IORESOURCE_MEM;
+ adata->res[2].start = addr + ACP3x_BT_TDM_REG_START;
+ adata->res[2].end = addr + ACP3x_BT_TDM_REG_END;
+
+ adata->res[3].name = "acp3x_i2s_irq";
+ adata->res[3].flags = IORESOURCE_IRQ;
+ adata->res[3].start = pci->irq;
+ adata->res[3].end = adata->res[3].start;
adata->acp3x_audio_mode = ACP3x_I2S_MODE;
memset(&pdevinfo, 0, sizeof(pdevinfo));
- pdevinfo.name = "acp3x_rv_i2s";
- pdevinfo.id = 0;
- pdevinfo.parent = &pci->dev;
- pdevinfo.num_res = 2;
- pdevinfo.res = adata->res;
- pdevinfo.data = &irqflags;
- pdevinfo.size_data = sizeof(irqflags);
-
- adata->pdev = platform_device_register_full(&pdevinfo);
- if (IS_ERR(adata->pdev)) {
- dev_err(&pci->dev, "cannot register %s device\n",
- pdevinfo.name);
- ret = PTR_ERR(adata->pdev);
- goto unmap_mmio;
+ pdevinfo[0].name = "acp3x_rv_i2s_dma";
+ pdevinfo[0].id = 0;
+ pdevinfo[0].parent = &pci->dev;
+ pdevinfo[0].num_res = 4;
+ pdevinfo[0].res = &adata->res[0];
+ pdevinfo[0].data = &irqflags;
+ pdevinfo[0].size_data = sizeof(irqflags);
+
+ pdevinfo[1].name = "acp3x_i2s_playcap";
+ pdevinfo[1].id = 0;
+ pdevinfo[1].parent = &pci->dev;
+ pdevinfo[1].num_res = 1;
+ pdevinfo[1].res = &adata->res[1];
+
+ pdevinfo[2].name = "acp3x_i2s_playcap";
+ pdevinfo[2].id = 1;
+ pdevinfo[2].parent = &pci->dev;
+ pdevinfo[2].num_res = 1;
+ pdevinfo[2].res = &adata->res[1];
+
+ pdevinfo[3].name = "acp3x_i2s_playcap";
+ pdevinfo[3].id = 2;
+ pdevinfo[3].parent = &pci->dev;
+ pdevinfo[3].num_res = 1;
+ pdevinfo[3].res = &adata->res[2];
+ for (i = 0; i < ACP3x_DEVS; i++) {
+ adata->pdev[i] =
+ platform_device_register_full(&pdevinfo[i]);
+ if (IS_ERR(adata->pdev[i])) {
+ dev_err(&pci->dev, "cannot register %s device\n",
+ pdevinfo[i].name);
+ ret = PTR_ERR(adata->pdev[i]);
+ goto unregister_devs;
+ }
}
break;
default:
dev_err(&pci->dev, "Invalid ACP audio mode : %d\n", val);
ret = -ENODEV;
- goto unmap_mmio;
+ goto disable_msi;
}
+ pm_runtime_set_autosuspend_delay(&pci->dev, 2000);
+ pm_runtime_use_autosuspend(&pci->dev);
+ pm_runtime_set_active(&pci->dev);
+ pm_runtime_put_noidle(&pci->dev);
+ pm_runtime_enable(&pci->dev);
+ pm_runtime_allow(&pci->dev);
return 0;
-unmap_mmio:
+unregister_devs:
+ if (val == I2S_MODE)
+ for (i = 0; i < ACP3x_DEVS; i++)
+ platform_device_unregister(adata->pdev[i]);
+de_init:
+ if (acp3x_deinit(adata->acp3x_base))
+ dev_err(&pci->dev, "ACP de-init failed\n");
+disable_msi:
pci_disable_msi(pci);
- iounmap(adata->acp3x_base);
release_regions:
pci_release_regions(pci);
disable_pci:
@@ -122,13 +273,56 @@ disable_pci:
return ret;
}
-static void snd_acp3x_remove(struct pci_dev *pci)
+static int snd_acp3x_suspend(struct device *dev)
+{
+ int ret;
+ struct acp3x_dev_data *adata;
+
+ adata = dev_get_drvdata(dev);
+ ret = acp3x_deinit(adata->acp3x_base);
+ if (ret)
+ dev_err(dev, "ACP de-init failed\n");
+ else
+ dev_dbg(dev, "ACP de-initialized\n");
+
+ return 0;
+}
+
+static int snd_acp3x_resume(struct device *dev)
{
- struct acp3x_dev_data *adata = pci_get_drvdata(pci);
+ int ret;
+ struct acp3x_dev_data *adata;
- platform_device_unregister(adata->pdev);
- iounmap(adata->acp3x_base);
+ adata = dev_get_drvdata(dev);
+ ret = acp3x_init(adata->acp3x_base);
+ if (ret) {
+ dev_err(dev, "ACP init failed\n");
+ return ret;
+ }
+ return 0;
+}
+static const struct dev_pm_ops acp3x_pm = {
+ .runtime_suspend = snd_acp3x_suspend,
+ .runtime_resume = snd_acp3x_resume,
+ .resume = snd_acp3x_resume,
+};
+
+static void snd_acp3x_remove(struct pci_dev *pci)
+{
+ struct acp3x_dev_data *adata;
+ int i, ret;
+
+ adata = pci_get_drvdata(pci);
+ if (adata->acp3x_audio_mode == ACP3x_I2S_MODE) {
+ for (i = 0; i < ACP3x_DEVS; i++)
+ platform_device_unregister(adata->pdev[i]);
+ }
+ ret = acp3x_deinit(adata->acp3x_base);
+ if (ret)
+ dev_err(&pci->dev, "ACP de-init failed\n");
+ pm_runtime_disable(&pci->dev);
+ pm_runtime_get_noresume(&pci->dev);
pci_disable_msi(pci);
pci_release_regions(pci);
pci_disable_device(pci);
@@ -147,10 +341,14 @@ static struct pci_driver acp3x_driver = {
.id_table = snd_acp3x_ids,
.probe = snd_acp3x_probe,
.remove = snd_acp3x_remove,
+ .driver = {
+ .pm = &acp3x_pm,
+ }
};
module_pci_driver(acp3x_driver);
+MODULE_AUTHOR("Vishnuvardhanrao.Ravulapati@amd.com");
MODULE_AUTHOR("Maruthi.Bayyavarapu@amd.com");
MODULE_DESCRIPTION("AMD ACP3x PCI driver");
MODULE_LICENSE("GPL v2");
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-18 17:13:26 +0000