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-rw-r--r--sound/soc/ux500/mop500.c2
-rw-r--r--sound/soc/ux500/ux500_msp_dai.c146
-rw-r--r--sound/soc/ux500/ux500_msp_i2s.c56
-rw-r--r--sound/soc/ux500/ux500_msp_i2s.h2
-rw-r--r--sound/soc/ux500/ux500_pcm.c65
5 files changed, 137 insertions, 134 deletions
diff --git a/sound/soc/ux500/mop500.c b/sound/soc/ux500/mop500.c
index 178d1bad6259..b3b66aa98dce 100644
--- a/sound/soc/ux500/mop500.c
+++ b/sound/soc/ux500/mop500.c
@@ -91,6 +91,8 @@ static int mop500_of_probe(struct platform_device *pdev,
for (i = 0; i < 2; i++) {
mop500_dai_links[i].cpu_of_node = msp_np[i];
mop500_dai_links[i].cpu_dai_name = NULL;
+ mop500_dai_links[i].platform_of_node = msp_np[i];
+ mop500_dai_links[i].platform_name = NULL;
mop500_dai_links[i].codec_of_node = codec_np;
mop500_dai_links[i].codec_name = NULL;
}
diff --git a/sound/soc/ux500/ux500_msp_dai.c b/sound/soc/ux500/ux500_msp_dai.c
index c6fb5cce980e..5f4807b2c007 100644
--- a/sound/soc/ux500/ux500_msp_dai.c
+++ b/sound/soc/ux500/ux500_msp_dai.c
@@ -17,12 +17,14 @@
#include <linux/bitops.h>
#include <linux/platform_device.h>
#include <linux/clk.h>
+#include <linux/of.h>
#include <linux/regulator/consumer.h>
#include <linux/mfd/dbx500-prcmu.h>
#include <linux/platform_data/asoc-ux500-msp.h>
#include <sound/soc.h>
#include <sound/soc-dai.h>
+#include <sound/dmaengine_pcm.h>
#include "ux500_msp_i2s.h"
#include "ux500_msp_dai.h"
@@ -654,16 +656,52 @@ static int ux500_msp_dai_trigger(struct snd_pcm_substream *substream,
return ret;
}
+static int ux500_msp_dai_of_probe(struct snd_soc_dai *dai)
+{
+ struct ux500_msp_i2s_drvdata *drvdata = dev_get_drvdata(dai->dev);
+ struct snd_dmaengine_dai_dma_data *playback_dma_data;
+ struct snd_dmaengine_dai_dma_data *capture_dma_data;
+
+ playback_dma_data = devm_kzalloc(dai->dev,
+ sizeof(*playback_dma_data),
+ GFP_KERNEL);
+ if (!playback_dma_data)
+ return -ENOMEM;
+
+ capture_dma_data = devm_kzalloc(dai->dev,
+ sizeof(*capture_dma_data),
+ GFP_KERNEL);
+ if (!capture_dma_data)
+ return -ENOMEM;
+
+ playback_dma_data->addr = drvdata->msp->playback_dma_data.tx_rx_addr;
+ capture_dma_data->addr = drvdata->msp->capture_dma_data.tx_rx_addr;
+
+ playback_dma_data->maxburst = 4;
+ capture_dma_data->maxburst = 4;
+
+ snd_soc_dai_init_dma_data(dai, playback_dma_data, capture_dma_data);
+
+ return 0;
+}
+
static int ux500_msp_dai_probe(struct snd_soc_dai *dai)
{
struct ux500_msp_i2s_drvdata *drvdata = dev_get_drvdata(dai->dev);
+ struct msp_i2s_platform_data *pdata = dai->dev->platform_data;
+ int ret;
- dai->playback_dma_data = &drvdata->msp->playback_dma_data;
- dai->capture_dma_data = &drvdata->msp->capture_dma_data;
+ if (!pdata) {
+ ret = ux500_msp_dai_of_probe(dai);
+ return ret;
+ }
drvdata->msp->playback_dma_data.data_size = drvdata->slot_width;
drvdata->msp->capture_dma_data.data_size = drvdata->slot_width;
+ snd_soc_dai_init_dma_data(dai,
+ &drvdata->msp->playback_dma_data,
+ &drvdata->msp->capture_dma_data);
return 0;
}
@@ -680,87 +718,19 @@ static struct snd_soc_dai_ops ux500_msp_dai_ops[] = {
}
};
-static struct snd_soc_dai_driver ux500_msp_dai_drv[UX500_NBR_OF_DAI] = {
- {
- .name = "ux500-msp-i2s.0",
- .probe = ux500_msp_dai_probe,
- .id = 0,
- .suspend = NULL,
- .resume = NULL,
- .playback = {
- .channels_min = UX500_MSP_MIN_CHANNELS,
- .channels_max = UX500_MSP_MAX_CHANNELS,
- .rates = UX500_I2S_RATES,
- .formats = UX500_I2S_FORMATS,
- },
- .capture = {
- .channels_min = UX500_MSP_MIN_CHANNELS,
- .channels_max = UX500_MSP_MAX_CHANNELS,
- .rates = UX500_I2S_RATES,
- .formats = UX500_I2S_FORMATS,
- },
- .ops = ux500_msp_dai_ops,
- },
- {
- .name = "ux500-msp-i2s.1",
- .probe = ux500_msp_dai_probe,
- .id = 1,
- .suspend = NULL,
- .resume = NULL,
- .playback = {
- .channels_min = UX500_MSP_MIN_CHANNELS,
- .channels_max = UX500_MSP_MAX_CHANNELS,
- .rates = UX500_I2S_RATES,
- .formats = UX500_I2S_FORMATS,
- },
- .capture = {
- .channels_min = UX500_MSP_MIN_CHANNELS,
- .channels_max = UX500_MSP_MAX_CHANNELS,
- .rates = UX500_I2S_RATES,
- .formats = UX500_I2S_FORMATS,
- },
- .ops = ux500_msp_dai_ops,
- },
- {
- .name = "ux500-msp-i2s.2",
- .id = 2,
- .probe = ux500_msp_dai_probe,
- .suspend = NULL,
- .resume = NULL,
- .playback = {
- .channels_min = UX500_MSP_MIN_CHANNELS,
- .channels_max = UX500_MSP_MAX_CHANNELS,
- .rates = UX500_I2S_RATES,
- .formats = UX500_I2S_FORMATS,
- },
- .capture = {
- .channels_min = UX500_MSP_MIN_CHANNELS,
- .channels_max = UX500_MSP_MAX_CHANNELS,
- .rates = UX500_I2S_RATES,
- .formats = UX500_I2S_FORMATS,
- },
- .ops = ux500_msp_dai_ops,
- },
- {
- .name = "ux500-msp-i2s.3",
- .probe = ux500_msp_dai_probe,
- .id = 3,
- .suspend = NULL,
- .resume = NULL,
- .playback = {
- .channels_min = UX500_MSP_MIN_CHANNELS,
- .channels_max = UX500_MSP_MAX_CHANNELS,
- .rates = UX500_I2S_RATES,
- .formats = UX500_I2S_FORMATS,
- },
- .capture = {
- .channels_min = UX500_MSP_MIN_CHANNELS,
- .channels_max = UX500_MSP_MAX_CHANNELS,
- .rates = UX500_I2S_RATES,
- .formats = UX500_I2S_FORMATS,
- },
- .ops = ux500_msp_dai_ops,
- },
+static struct snd_soc_dai_driver ux500_msp_dai_drv = {
+ .probe = ux500_msp_dai_probe,
+ .suspend = NULL,
+ .resume = NULL,
+ .playback.channels_min = UX500_MSP_MIN_CHANNELS,
+ .playback.channels_max = UX500_MSP_MAX_CHANNELS,
+ .playback.rates = UX500_I2S_RATES,
+ .playback.formats = UX500_I2S_FORMATS,
+ .capture.channels_min = UX500_MSP_MIN_CHANNELS,
+ .capture.channels_max = UX500_MSP_MAX_CHANNELS,
+ .capture.rates = UX500_I2S_RATES,
+ .capture.formats = UX500_I2S_FORMATS,
+ .ops = ux500_msp_dai_ops,
};
static const struct snd_soc_component_driver ux500_msp_component = {
@@ -771,10 +741,14 @@ static const struct snd_soc_component_driver ux500_msp_component = {
static int ux500_msp_drv_probe(struct platform_device *pdev)
{
struct ux500_msp_i2s_drvdata *drvdata;
+ struct msp_i2s_platform_data *pdata = pdev->dev.platform_data;
+ struct device_node *np = pdev->dev.of_node;
int ret = 0;
- dev_dbg(&pdev->dev, "%s: Enter (pdev->name = %s).\n", __func__,
- pdev->name);
+ if (!pdata && !np) {
+ dev_err(&pdev->dev, "No platform data or Device Tree found\n");
+ return -ENODEV;
+ }
drvdata = devm_kzalloc(&pdev->dev,
sizeof(struct ux500_msp_i2s_drvdata),
@@ -826,7 +800,7 @@ static int ux500_msp_drv_probe(struct platform_device *pdev)
dev_set_drvdata(&pdev->dev, drvdata);
ret = snd_soc_register_component(&pdev->dev, &ux500_msp_component,
- &ux500_msp_dai_drv[drvdata->msp->id], 1);
+ &ux500_msp_dai_drv, 1);
if (ret < 0) {
dev_err(&pdev->dev, "Error: %s: Failed to register MSP%d!\n",
__func__, drvdata->msp->id);
diff --git a/sound/soc/ux500/ux500_msp_i2s.c b/sound/soc/ux500/ux500_msp_i2s.c
index 1ca8b08ae993..959d7b4edf56 100644
--- a/sound/soc/ux500/ux500_msp_i2s.c
+++ b/sound/soc/ux500/ux500_msp_i2s.c
@@ -646,6 +646,34 @@ int ux500_msp_i2s_close(struct ux500_msp *msp, unsigned int dir)
}
+static int ux500_msp_i2s_of_init_msp(struct platform_device *pdev,
+ struct ux500_msp *msp,
+ struct msp_i2s_platform_data **platform_data)
+{
+ struct msp_i2s_platform_data *pdata;
+
+ *platform_data = devm_kzalloc(&pdev->dev,
+ sizeof(struct msp_i2s_platform_data),
+ GFP_KERNEL);
+ pdata = *platform_data;
+ if (!pdata)
+ return -ENOMEM;
+
+ msp->playback_dma_data.dma_cfg = devm_kzalloc(&pdev->dev,
+ sizeof(struct stedma40_chan_cfg),
+ GFP_KERNEL);
+ if (!msp->playback_dma_data.dma_cfg)
+ return -ENOMEM;
+
+ msp->capture_dma_data.dma_cfg = devm_kzalloc(&pdev->dev,
+ sizeof(struct stedma40_chan_cfg),
+ GFP_KERNEL);
+ if (!msp->capture_dma_data.dma_cfg)
+ return -ENOMEM;
+
+ return 0;
+}
+
int ux500_msp_i2s_init_msp(struct platform_device *pdev,
struct ux500_msp **msp_p,
struct msp_i2s_platform_data *platform_data)
@@ -653,30 +681,28 @@ int ux500_msp_i2s_init_msp(struct platform_device *pdev,
struct resource *res = NULL;
struct device_node *np = pdev->dev.of_node;
struct ux500_msp *msp;
+ int ret;
*msp_p = devm_kzalloc(&pdev->dev, sizeof(struct ux500_msp), GFP_KERNEL);
msp = *msp_p;
if (!msp)
return -ENOMEM;
- if (np) {
- if (!platform_data) {
- platform_data = devm_kzalloc(&pdev->dev,
- sizeof(struct msp_i2s_platform_data), GFP_KERNEL);
- if (!platform_data)
- return -ENOMEM;
- }
- } else
- if (!platform_data)
+ if (!platform_data) {
+ if (np) {
+ ret = ux500_msp_i2s_of_init_msp(pdev, msp,
+ &platform_data);
+ if (ret)
+ return ret;
+ } else
return -EINVAL;
+ } else {
+ msp->playback_dma_data.dma_cfg = platform_data->msp_i2s_dma_tx;
+ msp->capture_dma_data.dma_cfg = platform_data->msp_i2s_dma_rx;
+ msp->id = platform_data->id;
+ }
- dev_dbg(&pdev->dev, "%s: Enter (name: %s, id: %d).\n", __func__,
- pdev->name, platform_data->id);
-
- msp->id = platform_data->id;
msp->dev = &pdev->dev;
- msp->playback_dma_data.dma_cfg = platform_data->msp_i2s_dma_tx;
- msp->capture_dma_data.dma_cfg = platform_data->msp_i2s_dma_rx;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (res == NULL) {
diff --git a/sound/soc/ux500/ux500_msp_i2s.h b/sound/soc/ux500/ux500_msp_i2s.h
index 258d0bcee0bd..875de0f68b85 100644
--- a/sound/soc/ux500/ux500_msp_i2s.h
+++ b/sound/soc/ux500/ux500_msp_i2s.h
@@ -475,7 +475,7 @@ struct ux500_msp_dma_params {
};
struct ux500_msp {
- enum msp_i2s_id id;
+ int id;
void __iomem *registers;
struct device *dev;
struct ux500_msp_dma_params playback_dma_data;
diff --git a/sound/soc/ux500/ux500_pcm.c b/sound/soc/ux500/ux500_pcm.c
index ce554de5d9dc..51a66a87305a 100644
--- a/sound/soc/ux500/ux500_pcm.c
+++ b/sound/soc/ux500/ux500_pcm.c
@@ -28,12 +28,6 @@
#include "ux500_msp_i2s.h"
#include "ux500_pcm.h"
-#define UX500_PLATFORM_MIN_RATE 8000
-#define UX500_PLATFORM_MAX_RATE 48000
-
-#define UX500_PLATFORM_MIN_CHANNELS 1
-#define UX500_PLATFORM_MAX_CHANNELS 8
-
#define UX500_PLATFORM_PERIODS_BYTES_MIN 128
#define UX500_PLATFORM_PERIODS_BYTES_MAX (64 * PAGE_SIZE)
#define UX500_PLATFORM_PERIODS_MIN 2
@@ -45,15 +39,6 @@ static const struct snd_pcm_hardware ux500_pcm_hw = {
SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_RESUME |
SNDRV_PCM_INFO_PAUSE,
- .formats = SNDRV_PCM_FMTBIT_S16_LE |
- SNDRV_PCM_FMTBIT_U16_LE |
- SNDRV_PCM_FMTBIT_S16_BE |
- SNDRV_PCM_FMTBIT_U16_BE,
- .rates = SNDRV_PCM_RATE_KNOT,
- .rate_min = UX500_PLATFORM_MIN_RATE,
- .rate_max = UX500_PLATFORM_MAX_RATE,
- .channels_min = UX500_PLATFORM_MIN_CHANNELS,
- .channels_max = UX500_PLATFORM_MAX_CHANNELS,
.buffer_bytes_max = UX500_PLATFORM_BUFFER_BYTES_MAX,
.period_bytes_min = UX500_PLATFORM_PERIODS_BYTES_MIN,
.period_bytes_max = UX500_PLATFORM_PERIODS_BYTES_MAX,
@@ -65,14 +50,10 @@ static struct dma_chan *ux500_pcm_request_chan(struct snd_soc_pcm_runtime *rtd,
struct snd_pcm_substream *substream)
{
struct snd_soc_dai *dai = rtd->cpu_dai;
- struct device *dev = dai->dev;
u16 per_data_width, mem_data_width;
struct stedma40_chan_cfg *dma_cfg;
struct ux500_msp_dma_params *dma_params;
- dev_dbg(dev, "%s: MSP %d (%s): Enter.\n", __func__, dai->id,
- snd_pcm_stream_str(substream));
-
dma_params = snd_soc_dai_get_dma_data(dai, substream);
dma_cfg = dma_params->dma_cfg;
@@ -108,26 +89,36 @@ static int ux500_pcm_prepare_slave_config(struct snd_pcm_substream *substream,
struct dma_slave_config *slave_config)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct ux500_msp_dma_params *dma_params;
- struct stedma40_chan_cfg *dma_cfg;
+ struct msp_i2s_platform_data *pdata = rtd->cpu_dai->dev->platform_data;
+ struct snd_dmaengine_dai_dma_data *snd_dma_params;
+ struct ux500_msp_dma_params *ste_dma_params;
+ dma_addr_t dma_addr;
int ret;
- dma_params = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
- dma_cfg = dma_params->dma_cfg;
+ if (pdata) {
+ ste_dma_params =
+ snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
+ dma_addr = ste_dma_params->tx_rx_addr;
+ } else {
+ snd_dma_params =
+ snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
+ dma_addr = snd_dma_params->addr;
+ }
ret = snd_hwparams_to_dma_slave_config(substream, params, slave_config);
if (ret)
return ret;
slave_config->dst_maxburst = 4;
- slave_config->dst_addr_width = dma_cfg->dst_info.data_width;
slave_config->src_maxburst = 4;
- slave_config->src_addr_width = dma_cfg->src_info.data_width;
+
+ slave_config->src_addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
+ slave_config->dst_addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- slave_config->dst_addr = dma_params->tx_rx_addr;
+ slave_config->dst_addr = dma_addr;
else
- slave_config->src_addr = dma_params->tx_rx_addr;
+ slave_config->src_addr = dma_addr;
return 0;
}
@@ -139,15 +130,25 @@ static const struct snd_dmaengine_pcm_config ux500_dmaengine_pcm_config = {
.prepare_slave_config = ux500_pcm_prepare_slave_config,
};
+static const struct snd_dmaengine_pcm_config ux500_dmaengine_of_pcm_config = {
+ .compat_request_channel = ux500_pcm_request_chan,
+ .prepare_slave_config = ux500_pcm_prepare_slave_config,
+};
+
int ux500_pcm_register_platform(struct platform_device *pdev)
{
+ const struct snd_dmaengine_pcm_config *pcm_config;
+ struct device_node *np = pdev->dev.of_node;
int ret;
- ret = snd_dmaengine_pcm_register(&pdev->dev,
- &ux500_dmaengine_pcm_config,
- SND_DMAENGINE_PCM_FLAG_NO_RESIDUE |
- SND_DMAENGINE_PCM_FLAG_COMPAT |
- SND_DMAENGINE_PCM_FLAG_NO_DT);
+ if (np)
+ pcm_config = &ux500_dmaengine_of_pcm_config;
+ else
+ pcm_config = &ux500_dmaengine_pcm_config;
+
+ ret = snd_dmaengine_pcm_register(&pdev->dev, pcm_config,
+ SND_DMAENGINE_PCM_FLAG_NO_RESIDUE |
+ SND_DMAENGINE_PCM_FLAG_COMPAT);
if (ret < 0) {
dev_err(&pdev->dev,
"%s: ERROR: Failed to register platform '%s' (%d)!\n",
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 20:24:50 +0000