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mmc: tmio: tmio_mmc_host has .dma
Current .dma is implemented under tmio_mmc_data. It goes to tmio_mmc_host by this patch. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Acked-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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94b110aff8
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@ -213,6 +213,8 @@ static int sh_mobile_sdhi_probe(struct platform_device *pdev)
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goto eprobe;
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}
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host->dma = dma_priv;
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mmc_data->clk_enable = sh_mobile_sdhi_clk_enable;
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mmc_data->clk_disable = sh_mobile_sdhi_clk_disable;
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mmc_data->capabilities = MMC_CAP_MMC_HIGHSPEED;
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@ -241,8 +243,6 @@ static int sh_mobile_sdhi_probe(struct platform_device *pdev)
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dma_priv->alignment_shift = 1; /* 2-byte alignment */
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dma_priv->filter = shdma_chan_filter;
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mmc_data->dma = dma_priv;
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/*
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* All SDHI blocks support 2-byte and larger block sizes in 4-bit
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* bus width mode.
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@ -40,6 +40,16 @@
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struct tmio_mmc_data;
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struct tmio_mmc_dma {
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void *chan_priv_tx;
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void *chan_priv_rx;
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int slave_id_tx;
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int slave_id_rx;
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int alignment_shift;
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dma_addr_t dma_rx_offset;
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bool (*filter)(struct dma_chan *chan, void *arg);
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};
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struct tmio_mmc_host {
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void __iomem *ctl;
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struct mmc_command *cmd;
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@ -59,6 +69,7 @@ struct tmio_mmc_host {
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struct platform_device *pdev;
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struct tmio_mmc_data *pdata;
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struct tmio_mmc_dma *dma;
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/* DMA support */
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bool force_pio;
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@ -49,11 +49,10 @@ static void tmio_mmc_start_dma_rx(struct tmio_mmc_host *host)
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struct scatterlist *sg = host->sg_ptr, *sg_tmp;
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struct dma_async_tx_descriptor *desc = NULL;
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struct dma_chan *chan = host->chan_rx;
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struct tmio_mmc_data *pdata = host->pdata;
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dma_cookie_t cookie;
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int ret, i;
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bool aligned = true, multiple = true;
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unsigned int align = (1 << pdata->dma->alignment_shift) - 1;
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unsigned int align = (1 << host->dma->alignment_shift) - 1;
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for_each_sg(sg, sg_tmp, host->sg_len, i) {
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if (sg_tmp->offset & align)
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@ -126,11 +125,10 @@ static void tmio_mmc_start_dma_tx(struct tmio_mmc_host *host)
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struct scatterlist *sg = host->sg_ptr, *sg_tmp;
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struct dma_async_tx_descriptor *desc = NULL;
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struct dma_chan *chan = host->chan_tx;
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struct tmio_mmc_data *pdata = host->pdata;
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dma_cookie_t cookie;
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int ret, i;
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bool aligned = true, multiple = true;
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unsigned int align = (1 << pdata->dma->alignment_shift) - 1;
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unsigned int align = (1 << host->dma->alignment_shift) - 1;
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for_each_sg(sg, sg_tmp, host->sg_len, i) {
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if (sg_tmp->offset & align)
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@ -262,8 +260,8 @@ out:
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void tmio_mmc_request_dma(struct tmio_mmc_host *host, struct tmio_mmc_data *pdata)
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{
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/* We can only either use DMA for both Tx and Rx or not use it at all */
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if (!pdata->dma || (!host->pdev->dev.of_node &&
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(!pdata->dma->chan_priv_tx || !pdata->dma->chan_priv_rx)))
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if (!host->dma || (!host->pdev->dev.of_node &&
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(!host->dma->chan_priv_tx || !host->dma->chan_priv_rx)))
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return;
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if (!host->chan_tx && !host->chan_rx) {
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@ -280,7 +278,7 @@ void tmio_mmc_request_dma(struct tmio_mmc_host *host, struct tmio_mmc_data *pdat
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dma_cap_set(DMA_SLAVE, mask);
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host->chan_tx = dma_request_slave_channel_compat(mask,
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pdata->dma->filter, pdata->dma->chan_priv_tx,
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host->dma->filter, host->dma->chan_priv_tx,
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&host->pdev->dev, "tx");
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dev_dbg(&host->pdev->dev, "%s: TX: got channel %p\n", __func__,
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host->chan_tx);
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@ -288,8 +286,8 @@ void tmio_mmc_request_dma(struct tmio_mmc_host *host, struct tmio_mmc_data *pdat
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if (!host->chan_tx)
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return;
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if (pdata->dma->chan_priv_tx)
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cfg.slave_id = pdata->dma->slave_id_tx;
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if (host->dma->chan_priv_tx)
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cfg.slave_id = host->dma->slave_id_tx;
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cfg.direction = DMA_MEM_TO_DEV;
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cfg.dst_addr = res->start + (CTL_SD_DATA_PORT << host->pdata->bus_shift);
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cfg.dst_addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
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@ -299,7 +297,7 @@ void tmio_mmc_request_dma(struct tmio_mmc_host *host, struct tmio_mmc_data *pdat
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goto ecfgtx;
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host->chan_rx = dma_request_slave_channel_compat(mask,
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pdata->dma->filter, pdata->dma->chan_priv_rx,
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host->dma->filter, host->dma->chan_priv_rx,
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&host->pdev->dev, "rx");
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dev_dbg(&host->pdev->dev, "%s: RX: got channel %p\n", __func__,
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host->chan_rx);
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@ -307,10 +305,10 @@ void tmio_mmc_request_dma(struct tmio_mmc_host *host, struct tmio_mmc_data *pdat
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if (!host->chan_rx)
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goto ereqrx;
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if (pdata->dma->chan_priv_rx)
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cfg.slave_id = pdata->dma->slave_id_rx;
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if (host->dma->chan_priv_rx)
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cfg.slave_id = host->dma->slave_id_rx;
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cfg.direction = DMA_DEV_TO_MEM;
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cfg.src_addr = cfg.dst_addr + pdata->dma->dma_rx_offset;
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cfg.src_addr = cfg.dst_addr + host->dma->dma_rx_offset;
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cfg.src_addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
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cfg.dst_addr = 0;
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ret = dmaengine_slave_config(host->chan_rx, &cfg);
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@ -112,16 +112,6 @@ void tmio_core_mmc_clk_div(void __iomem *cnf, int shift, int state);
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struct dma_chan;
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struct tmio_mmc_dma {
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void *chan_priv_tx;
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void *chan_priv_rx;
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int slave_id_tx;
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int slave_id_rx;
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int alignment_shift;
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dma_addr_t dma_rx_offset;
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bool (*filter)(struct dma_chan *chan, void *arg);
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};
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struct tmio_mmc_host;
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/*
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@ -134,7 +124,6 @@ struct tmio_mmc_data {
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unsigned long flags;
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unsigned long bus_shift;
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u32 ocr_mask; /* available voltages */
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struct tmio_mmc_dma *dma;
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unsigned int cd_gpio;
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void (*set_pwr)(struct platform_device *host, int state);
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void (*set_clk_div)(struct platform_device *host, int state);
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