diff options
Diffstat (limited to 'sound/soc/ux500')
-rw-r--r-- | sound/soc/ux500/mop500.c | 2 | ||||
-rw-r--r-- | sound/soc/ux500/ux500_msp_dai.c | 146 | ||||
-rw-r--r-- | sound/soc/ux500/ux500_msp_i2s.c | 56 | ||||
-rw-r--r-- | sound/soc/ux500/ux500_msp_i2s.h | 2 | ||||
-rw-r--r-- | sound/soc/ux500/ux500_pcm.c | 65 |
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", |