diff options
Diffstat (limited to 'sound/soc/davinci/davinci-mcasp.c')
| -rw-r--r-- | sound/soc/davinci/davinci-mcasp.c | 38 |
1 files changed, 28 insertions, 10 deletions
diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c index 72ea45893abf..35a6292889a5 100644 --- a/sound/soc/davinci/davinci-mcasp.c +++ b/sound/soc/davinci/davinci-mcasp.c @@ -53,6 +53,8 @@ struct davinci_mcasp { u8 txnumevt; u8 rxnumevt; + bool dat_port; + #ifdef CONFIG_PM_SLEEP struct { u32 txfmtctl; @@ -482,6 +484,7 @@ static void davinci_hw_param(struct davinci_mcasp *mcasp, int stream) { int i, active_slots; u32 mask = 0; + u32 busel = 0; active_slots = (mcasp->tdm_slots > 31) ? 32 : mcasp->tdm_slots; for (i = 0; i < active_slots; i++) @@ -489,11 +492,15 @@ static void davinci_hw_param(struct davinci_mcasp *mcasp, int stream) mcasp_clr_bits(mcasp->base + DAVINCI_MCASP_ACLKXCTL_REG, TX_ASYNC); + if (!mcasp->dat_port) + busel = TXSEL; + if (stream == SNDRV_PCM_STREAM_PLAYBACK) { /* bit stream is MSB first with no delay */ /* DSP_B mode */ mcasp_set_reg(mcasp->base + DAVINCI_MCASP_TXTDM_REG, mask); - mcasp_set_bits(mcasp->base + DAVINCI_MCASP_TXFMT_REG, TXORD); + mcasp_set_bits(mcasp->base + DAVINCI_MCASP_TXFMT_REG, + busel | TXORD); if ((mcasp->tdm_slots >= 2) && (mcasp->tdm_slots <= 32)) mcasp_mod_bits(mcasp->base + DAVINCI_MCASP_TXFMCTL_REG, @@ -504,7 +511,8 @@ static void davinci_hw_param(struct davinci_mcasp *mcasp, int stream) } else { /* bit stream is MSB first with no delay */ /* DSP_B mode */ - mcasp_set_bits(mcasp->base + DAVINCI_MCASP_RXFMT_REG, RXORD); + mcasp_set_bits(mcasp->base + DAVINCI_MCASP_RXFMT_REG, + busel | RXORD); mcasp_set_reg(mcasp->base + DAVINCI_MCASP_RXTDM_REG, mask); if ((mcasp->tdm_slots >= 2) && (mcasp->tdm_slots <= 32)) @@ -928,23 +936,22 @@ static int davinci_mcasp_probe(struct platform_device *pdev) mcasp->version = pdata->version; mcasp->txnumevt = pdata->txnumevt; mcasp->rxnumevt = pdata->rxnumevt; - if (mcasp->version < MCASP_VERSION_3) - mcasp->fifo_base = DAVINCI_MCASP_V2_AFIFO_BASE; - else - mcasp->fifo_base = DAVINCI_MCASP_V3_AFIFO_BASE; mcasp->dev = &pdev->dev; dat = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dat"); - if (!dat) - dat = mem; + if (dat) + mcasp->dat_port = true; dma_data = &mcasp->dma_params[SNDRV_PCM_STREAM_PLAYBACK]; dma_data->asp_chan_q = pdata->asp_chan_q; dma_data->ram_chan_q = pdata->ram_chan_q; dma_data->sram_pool = pdata->sram_pool; dma_data->sram_size = pdata->sram_size_playback; - dma_data->dma_addr = dat->start + pdata->tx_dma_offset; + if (dat) + dma_data->dma_addr = dat->start; + else + dma_data->dma_addr = mem->start + pdata->tx_dma_offset; res = platform_get_resource(pdev, IORESOURCE_DMA, 0); if (res) @@ -957,7 +964,18 @@ static int davinci_mcasp_probe(struct platform_device *pdev) dma_data->ram_chan_q = pdata->ram_chan_q; dma_data->sram_pool = pdata->sram_pool; dma_data->sram_size = pdata->sram_size_capture; - dma_data->dma_addr = dat->start + pdata->rx_dma_offset; + if (dat) + dma_data->dma_addr = dat->start; + else + dma_data->dma_addr = mem->start + pdata->rx_dma_offset; + + 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 */ + mcasp->dat_port = true; + } else { + mcasp->fifo_base = DAVINCI_MCASP_V3_AFIFO_BASE; + } res = platform_get_resource(pdev, IORESOURCE_DMA, 1); if (res) |