diff options
Diffstat (limited to 'sound/soc/davinci/davinci-mcasp.c')
| -rw-r--r-- | sound/soc/davinci/davinci-mcasp.c | 52 |
1 files changed, 45 insertions, 7 deletions
diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c index 93f2e294d649..fc8c13d2f31e 100644 --- a/sound/soc/davinci/davinci-mcasp.c +++ b/sound/soc/davinci/davinci-mcasp.c @@ -31,12 +31,14 @@ #include <sound/pcm_params.h> #include <sound/initval.h> #include <sound/soc.h> +#include <sound/dmaengine_pcm.h> #include "davinci-pcm.h" #include "davinci-mcasp.h" struct davinci_mcasp { struct davinci_pcm_dma_params dma_params[2]; + struct snd_dmaengine_dai_dma_data dma_data[2]; void __iomem *base; u32 fifo_base; struct device *dev; @@ -458,7 +460,9 @@ static int davinci_hw_common_param(struct davinci_mcasp *mcasp, int stream, u8 max_active_serializers = (channels + slots - 1) / slots; u32 reg; /* Default configuration */ - mcasp_set_bits(mcasp->base + DAVINCI_MCASP_PWREMUMGT_REG, MCASP_SOFT); + if (mcasp->version != MCASP_VERSION_4) + mcasp_set_bits(mcasp->base + DAVINCI_MCASP_PWREMUMGT_REG, + MCASP_SOFT); /* All PINS as McASP */ mcasp_set_reg(mcasp->base + DAVINCI_MCASP_PFUNC_REG, 0x00000000); @@ -605,6 +609,8 @@ static int davinci_mcasp_hw_params(struct snd_pcm_substream *substream, struct davinci_mcasp *mcasp = snd_soc_dai_get_drvdata(cpu_dai); struct davinci_pcm_dma_params *dma_params = &mcasp->dma_params[substream->stream]; + struct snd_dmaengine_dai_dma_data *dma_data = + &mcasp->dma_data[substream->stream]; int word_length; u8 fifo_level; u8 slots = mcasp->tdm_slots; @@ -666,6 +672,8 @@ static int davinci_mcasp_hw_params(struct snd_pcm_substream *substream, dma_params->acnt = dma_params->data_type; dma_params->fifo_level = fifo_level; + dma_data->maxburst = fifo_level; + davinci_config_channel_size(mcasp, word_length); return 0; @@ -711,7 +719,12 @@ static int davinci_mcasp_startup(struct snd_pcm_substream *substream, { struct davinci_mcasp *mcasp = snd_soc_dai_get_drvdata(dai); - snd_soc_dai_set_dma_data(dai, substream, mcasp->dma_params); + if (mcasp->version == MCASP_VERSION_4) + snd_soc_dai_set_dma_data(dai, substream, + &mcasp->dma_data[substream->stream]); + else + snd_soc_dai_set_dma_data(dai, substream, mcasp->dma_params); + return 0; } @@ -794,6 +807,13 @@ static struct snd_platform_data omap2_mcasp_pdata = { .version = MCASP_VERSION_3, }; +static struct snd_platform_data dra7_mcasp_pdata = { + .tx_dma_offset = 0x200, + .rx_dma_offset = 0x284, + .asp_chan_q = EVENTQ_0, + .version = MCASP_VERSION_4, +}; + static const struct of_device_id mcasp_dt_ids[] = { { .compatible = "ti,dm646x-mcasp-audio", @@ -807,6 +827,10 @@ static const struct of_device_id mcasp_dt_ids[] = { .compatible = "ti,am33xx-mcasp-audio", .data = &omap2_mcasp_pdata, }, + { + .compatible = "ti,dra7-mcasp-audio", + .data = &dra7_mcasp_pdata, + }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, mcasp_dt_ids); @@ -999,6 +1023,9 @@ static int davinci_mcasp_probe(struct platform_device *pdev) else dma_data->dma_addr = mem->start + pdata->tx_dma_offset; + /* Unconditional dmaengine stuff */ + mcasp->dma_data[SNDRV_PCM_STREAM_PLAYBACK].addr = dma_data->dma_addr; + res = platform_get_resource(pdev, IORESOURCE_DMA, 0); if (res) dma_data->channel = res->start; @@ -1015,6 +1042,9 @@ static int davinci_mcasp_probe(struct platform_device *pdev) else dma_data->dma_addr = mem->start + pdata->rx_dma_offset; + /* Unconditional dmaengine stuff */ + mcasp->dma_data[SNDRV_PCM_STREAM_CAPTURE].addr = dma_data->dma_addr; + if (mcasp->version < MCASP_VERSION_3) { mcasp->fifo_base = DAVINCI_MCASP_V2_AFIFO_BASE; /* dma_data->dma_addr is pointing to the data port address */ @@ -1029,6 +1059,10 @@ static int davinci_mcasp_probe(struct platform_device *pdev) else dma_data->channel = pdata->rx_dma_channel; + /* Unconditional dmaengine stuff */ + mcasp->dma_data[SNDRV_PCM_STREAM_PLAYBACK].filter_data = "tx"; + mcasp->dma_data[SNDRV_PCM_STREAM_CAPTURE].filter_data = "rx"; + dev_set_drvdata(&pdev->dev, mcasp); ret = snd_soc_register_component(&pdev->dev, &davinci_mcasp_component, &davinci_mcasp_dai[pdata->op_mode], 1); @@ -1036,10 +1070,12 @@ static int davinci_mcasp_probe(struct platform_device *pdev) if (ret != 0) goto err_release_clk; - ret = davinci_soc_platform_register(&pdev->dev); - if (ret) { - dev_err(&pdev->dev, "register PCM failed: %d\n", ret); - goto err_unregister_component; + if (mcasp->version != MCASP_VERSION_4) { + ret = davinci_soc_platform_register(&pdev->dev); + if (ret) { + dev_err(&pdev->dev, "register PCM failed: %d\n", ret); + goto err_unregister_component; + } } return 0; @@ -1054,9 +1090,11 @@ err_release_clk: static int davinci_mcasp_remove(struct platform_device *pdev) { + struct davinci_mcasp *mcasp = dev_get_drvdata(&pdev->dev); snd_soc_unregister_component(&pdev->dev); - davinci_soc_platform_unregister(&pdev->dev); + if (mcasp->version != MCASP_VERSION_4) + davinci_soc_platform_unregister(&pdev->dev); pm_runtime_put_sync(&pdev->dev); pm_runtime_disable(&pdev->dev); |