diff options
Diffstat (limited to 'sound/soc/fsl/fsl_asrc_dma.c')
-rw-r--r-- | sound/soc/fsl/fsl_asrc_dma.c | 97 |
1 files changed, 39 insertions, 58 deletions
diff --git a/sound/soc/fsl/fsl_asrc_dma.c b/sound/soc/fsl/fsl_asrc_dma.c index 29f91cdecbc3..f501f47242fb 100644 --- a/sound/soc/fsl/fsl_asrc_dma.c +++ b/sound/soc/fsl/fsl_asrc_dma.c @@ -8,7 +8,7 @@ #include <linux/dma-mapping.h> #include <linux/module.h> -#include <linux/platform_data/dma-imx.h> +#include <linux/dma/imx-dma.h> #include <sound/dmaengine_pcm.h> #include <sound/pcm_params.h> @@ -114,8 +114,8 @@ static int fsl_asrc_dma_trigger(struct snd_soc_component *component, case SNDRV_PCM_TRIGGER_STOP: case SNDRV_PCM_TRIGGER_SUSPEND: case SNDRV_PCM_TRIGGER_PAUSE_PUSH: - dmaengine_terminate_all(pair->dma_chan[OUT]); - dmaengine_terminate_all(pair->dma_chan[IN]); + dmaengine_terminate_async(pair->dma_chan[OUT]); + dmaengine_terminate_async(pair->dma_chan[IN]); break; default: return -EINVAL; @@ -129,7 +129,8 @@ static int fsl_asrc_dma_hw_params(struct snd_soc_component *component, struct snd_pcm_hw_params *params) { enum dma_slave_buswidth buswidth = DMA_SLAVE_BUSWIDTH_2_BYTES; - struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + enum sdma_peripheral_type be_peripheral_type = IMX_DMATYPE_SSI; + struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK; struct snd_dmaengine_dai_dma_data *dma_params_fe = NULL; struct snd_dmaengine_dai_dma_data *dma_params_be = NULL; @@ -138,9 +139,11 @@ static int fsl_asrc_dma_hw_params(struct snd_soc_component *component, struct dma_chan *tmp_chan = NULL, *be_chan = NULL; struct snd_soc_component *component_be = NULL; struct fsl_asrc *asrc = pair->asrc; - struct dma_slave_config config_fe, config_be; + struct dma_slave_config config_fe = {}, config_be = {}; + struct sdma_peripheral_config audio_config; enum asrc_pair_index index = pair->index; struct device *dev = component->dev; + struct device_node *of_dma_node; int stream = substream->stream; struct imx_dma_data *tmp_data; struct snd_soc_dpcm *dpcm; @@ -153,7 +156,7 @@ static int fsl_asrc_dma_hw_params(struct snd_soc_component *component, for_each_dpcm_be(rtd, stream, dpcm) { struct snd_soc_pcm_runtime *be = dpcm->be; struct snd_pcm_substream *substream_be; - struct snd_soc_dai *dai = asoc_rtd_to_cpu(be, 0); + struct snd_soc_dai *dai = snd_soc_rtd_to_cpu(be, 0); if (dpcm->fe != rtd) continue; @@ -170,7 +173,7 @@ static int fsl_asrc_dma_hw_params(struct snd_soc_component *component, } /* Override dma_data of the Front-End and config its dmaengine */ - dma_params_fe = snd_soc_dai_get_dma_data(asoc_rtd_to_cpu(rtd, 0), substream); + dma_params_fe = snd_soc_dai_get_dma_data(snd_soc_rtd_to_cpu(rtd, 0), substream); dma_params_fe->addr = asrc->paddr + asrc->get_fifo_addr(!dir, index); dma_params_fe->maxburst = dma_params_be->maxburst; @@ -180,7 +183,6 @@ static int fsl_asrc_dma_hw_params(struct snd_soc_component *component, return -EINVAL; } - memset(&config_fe, 0, sizeof(config_fe)); ret = snd_dmaengine_pcm_prepare_slave_config(substream, params, &config_fe); if (ret) { dev_err(dev, "failed to prepare DMA config for Front-End\n"); @@ -207,19 +209,25 @@ static int fsl_asrc_dma_hw_params(struct snd_soc_component *component, be_chan = soc_component_to_pcm(component_be)->chan[substream->stream]; tmp_chan = be_chan; } - if (!tmp_chan) - tmp_chan = dma_request_slave_channel(dev_be, tx ? "tx" : "rx"); + if (!tmp_chan) { + tmp_chan = dma_request_chan(dev_be, tx ? "tx" : "rx"); + if (IS_ERR(tmp_chan)) { + dev_err(dev, "failed to request DMA channel for Back-End\n"); + return -EINVAL; + } + } /* * An EDMA DEV_TO_DEV channel is fixed and bound with DMA event of each * peripheral, unlike SDMA channel that is allocated dynamically. So no * need to configure dma_request and dma_request2, but get dma_chan of - * Back-End device directly via dma_request_slave_channel. + * Back-End device directly via dma_request_chan. */ if (!asrc->use_edma) { /* Get DMA request of Back-End */ tmp_data = tmp_chan->private; pair->dma_data.dma_request = tmp_data->dma_request; + be_peripheral_type = tmp_data->peripheral_type; if (!be_chan) dma_release_channel(tmp_chan); @@ -231,8 +239,10 @@ static int fsl_asrc_dma_hw_params(struct snd_soc_component *component, pair->dma_data.priority = tmp_data->priority; dma_release_channel(tmp_chan); + of_dma_node = pair->dma_chan[!dir]->device->dev->of_node; pair->dma_chan[dir] = - dma_request_channel(mask, filter, &pair->dma_data); + __dma_request_channel(&mask, filter, &pair->dma_data, + of_dma_node); pair->req_dma_chan = true; } else { pair->dma_chan[dir] = tmp_chan; @@ -265,6 +275,17 @@ static int fsl_asrc_dma_hw_params(struct snd_soc_component *component, config_be.dst_addr_width = buswidth; config_be.dst_maxburst = dma_params_be->maxburst; + memset(&audio_config, 0, sizeof(audio_config)); + config_be.peripheral_config = &audio_config; + config_be.peripheral_size = sizeof(audio_config); + + if (tx && (be_peripheral_type == IMX_DMATYPE_SSI_DUAL || + be_peripheral_type == IMX_DMATYPE_SPDIF)) + audio_config.n_fifos_dst = 2; + if (!tx && (be_peripheral_type == IMX_DMATYPE_SSI_DUAL || + be_peripheral_type == IMX_DMATYPE_SPDIF)) + audio_config.n_fifos_src = 2; + if (tx) { config_be.src_addr = asrc->paddr + asrc->get_fifo_addr(OUT, index); config_be.dst_addr = dma_params_be->addr; @@ -281,8 +302,6 @@ static int fsl_asrc_dma_hw_params(struct snd_soc_component *component, return ret; } - snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer); - return 0; } @@ -294,8 +313,6 @@ static int fsl_asrc_dma_hw_free(struct snd_soc_component *component, struct fsl_asrc_pair *pair = runtime->private_data; u8 dir = tx ? OUT : IN; - snd_pcm_set_runtime_buffer(substream, NULL); - if (pair->dma_chan[!dir]) dma_release_channel(pair->dma_chan[!dir]); @@ -313,7 +330,7 @@ static int fsl_asrc_dma_startup(struct snd_soc_component *component, struct snd_pcm_substream *substream) { bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK; - struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); struct snd_pcm_runtime *runtime = substream->runtime; struct snd_dmaengine_dai_dma_data *dma_data; struct device *dev = component->dev; @@ -358,7 +375,7 @@ static int fsl_asrc_dma_startup(struct snd_soc_component *component, goto dma_chan_err; } - dma_data = snd_soc_dai_get_dma_data(asoc_rtd_to_cpu(rtd, 0), substream); + dma_data = snd_soc_dai_get_dma_data(snd_soc_rtd_to_cpu(rtd, 0), substream); /* Refine the snd_imx_hardware according to caps of DMA. */ ret = snd_dmaengine_pcm_refine_runtime_hwparams(substream, @@ -420,9 +437,8 @@ static int fsl_asrc_dma_pcm_new(struct snd_soc_component *component, struct snd_soc_pcm_runtime *rtd) { struct snd_card *card = rtd->card->snd_card; - struct snd_pcm_substream *substream; struct snd_pcm *pcm = rtd->pcm; - int ret, i; + int ret; ret = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(32)); if (ret) { @@ -430,43 +446,8 @@ static int fsl_asrc_dma_pcm_new(struct snd_soc_component *component, return ret; } - for_each_pcm_streams(i) { - substream = pcm->streams[i].substream; - if (!substream) - continue; - - ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, pcm->card->dev, - FSL_ASRC_DMABUF_SIZE, &substream->dma_buffer); - if (ret) { - dev_err(card->dev, "failed to allocate DMA buffer\n"); - goto err; - } - } - - return 0; - -err: - if (--i == 0 && pcm->streams[i].substream) - snd_dma_free_pages(&pcm->streams[i].substream->dma_buffer); - - return ret; -} - -static void fsl_asrc_dma_pcm_free(struct snd_soc_component *component, - struct snd_pcm *pcm) -{ - struct snd_pcm_substream *substream; - int i; - - for_each_pcm_streams(i) { - substream = pcm->streams[i].substream; - if (!substream) - continue; - - snd_dma_free_pages(&substream->dma_buffer); - substream->dma_buffer.area = NULL; - substream->dma_buffer.addr = 0; - } + return snd_pcm_set_fixed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, + card->dev, FSL_ASRC_DMABUF_SIZE); } struct snd_soc_component_driver fsl_asrc_component = { @@ -478,6 +459,6 @@ struct snd_soc_component_driver fsl_asrc_component = { .close = fsl_asrc_dma_shutdown, .pointer = fsl_asrc_dma_pcm_pointer, .pcm_construct = fsl_asrc_dma_pcm_new, - .pcm_destruct = fsl_asrc_dma_pcm_free, + .legacy_dai_naming = 1, }; EXPORT_SYMBOL_GPL(fsl_asrc_component); |