Lines Matching refs:xdev
414 struct xilinx_dma_device *xdev; member
520 readl_poll_timeout_atomic(chan->xdev->regs + chan->ctrl_offset + reg, \
526 return ioread32(chan->xdev->regs + reg); in dma_read()
531 iowrite32(value, chan->xdev->regs + reg); in dma_write()
578 writel(value_lsb, chan->xdev->regs + chan->desc_offset + reg); in vdma_desc_write_64()
581 writel(value_msb, chan->xdev->regs + chan->desc_offset + reg + 4); in vdma_desc_write_64()
586 lo_hi_writeq(value, chan->xdev->regs + chan->ctrl_offset + reg); in dma_writeq()
829 if (chan->xdev->dma_config->dmatype == XDMA_TYPE_VDMA) { in xilinx_dma_free_tx_descriptor()
834 } else if (chan->xdev->dma_config->dmatype == XDMA_TYPE_CDMA) { in xilinx_dma_free_tx_descriptor()
840 } else if (chan->xdev->dma_config->dmatype == XDMA_TYPE_AXIDMA) { in xilinx_dma_free_tx_descriptor()
905 if (chan->xdev->dma_config->dmatype == XDMA_TYPE_AXIDMA) { in xilinx_dma_free_chan_resources()
920 if (chan->xdev->dma_config->dmatype == XDMA_TYPE_AXIMCDMA) { in xilinx_dma_free_chan_resources()
931 if (chan->xdev->dma_config->dmatype != XDMA_TYPE_AXIDMA && in xilinx_dma_free_chan_resources()
932 chan->xdev->dma_config->dmatype != XDMA_TYPE_AXIMCDMA) { in xilinx_dma_free_chan_resources()
959 if (chan->xdev->dma_config->dmatype == XDMA_TYPE_CDMA) { in xilinx_dma_get_residue()
965 chan->xdev->max_buffer_len; in xilinx_dma_get_residue()
966 } else if (chan->xdev->dma_config->dmatype == in xilinx_dma_get_residue()
973 chan->xdev->max_buffer_len; in xilinx_dma_get_residue()
982 chan->xdev->max_buffer_len; in xilinx_dma_get_residue()
1087 if (chan->xdev->dma_config->dmatype == XDMA_TYPE_AXIDMA) { in xilinx_dma_alloc_chan_resources()
1130 } else if (chan->xdev->dma_config->dmatype == XDMA_TYPE_AXIMCDMA) { in xilinx_dma_alloc_chan_resources()
1154 } else if (chan->xdev->dma_config->dmatype == XDMA_TYPE_CDMA) { in xilinx_dma_alloc_chan_resources()
1169 ((chan->xdev->dma_config->dmatype != XDMA_TYPE_AXIDMA) && in xilinx_dma_alloc_chan_resources()
1170 chan->xdev->dma_config->dmatype != XDMA_TYPE_AXIMCDMA)) { in xilinx_dma_alloc_chan_resources()
1179 if (chan->xdev->dma_config->dmatype == XDMA_TYPE_AXIDMA) { in xilinx_dma_alloc_chan_resources()
1187 if ((chan->xdev->dma_config->dmatype == XDMA_TYPE_CDMA) && chan->has_sg) in xilinx_dma_alloc_chan_resources()
1208 chan->xdev->max_buffer_len); in xilinx_dma_calc_copysize()
1211 chan->xdev->common.copy_align) { in xilinx_dma_calc_copysize()
1217 (1 << chan->xdev->common.copy_align)); in xilinx_dma_calc_copysize()
1252 if (chan->has_sg && chan->xdev->dma_config->dmatype != XDMA_TYPE_VDMA) in xilinx_dma_tx_status()
1486 hw->control & chan->xdev->max_buffer_len); in xilinx_cdma_start_transfer()
1560 hw->control & chan->xdev->max_buffer_len); in xilinx_dma_start_transfer()
1667 if (chan->has_sg && chan->xdev->dma_config->dmatype != in xilinx_dma_complete_descriptor()
1761 chan_offset = chan->xdev->dma_config->max_channels / 2; in xilinx_mcdma_irq_handler()
1764 chan = chan->xdev->chan[chan_offset]; in xilinx_mcdma_irq_handler()
1891 if (chan->xdev->dma_config->dmatype == XDMA_TYPE_VDMA) { in append_desc_queue()
1896 } else if (chan->xdev->dma_config->dmatype == XDMA_TYPE_CDMA) { in append_desc_queue()
1901 } else if (chan->xdev->dma_config->dmatype == XDMA_TYPE_AXIDMA) { in append_desc_queue()
1922 if (chan->has_sg && (chan->xdev->dma_config->dmatype == XDMA_TYPE_VDMA) in append_desc_queue()
2074 if (!len || len > chan->xdev->max_buffer_len) in xilinx_cdma_prep_memcpy()
2372 chan->xdev->max_buffer_len); in xilinx_mcdma_prep_slave_sg()
2449 if ((chan->xdev->dma_config->dmatype == XDMA_TYPE_CDMA) && chan->has_sg) in xilinx_dma_terminate_all()
2718 static void xdma_disable_allclks(struct xilinx_dma_device *xdev) in xdma_disable_allclks() argument
2720 clk_disable_unprepare(xdev->rxs_clk); in xdma_disable_allclks()
2721 clk_disable_unprepare(xdev->rx_clk); in xdma_disable_allclks()
2722 clk_disable_unprepare(xdev->txs_clk); in xdma_disable_allclks()
2723 clk_disable_unprepare(xdev->tx_clk); in xdma_disable_allclks()
2724 clk_disable_unprepare(xdev->axi_clk); in xdma_disable_allclks()
2737 static int xilinx_dma_chan_probe(struct xilinx_dma_device *xdev, in xilinx_dma_chan_probe() argument
2746 chan = devm_kzalloc(xdev->dev, sizeof(*chan), GFP_KERNEL); in xilinx_dma_chan_probe()
2750 chan->dev = xdev->dev; in xilinx_dma_chan_probe()
2751 chan->xdev = xdev; in xilinx_dma_chan_probe()
2753 chan->ext_addr = xdev->ext_addr; in xilinx_dma_chan_probe()
2774 dev_err(xdev->dev, "missing xlnx,datawidth property\n"); in xilinx_dma_chan_probe()
2784 xdev->common.copy_align = fls(width - 1); in xilinx_dma_chan_probe()
2790 chan->id = xdev->mm2s_chan_id++; in xilinx_dma_chan_probe()
2794 if (xdev->dma_config->dmatype == XDMA_TYPE_VDMA) { in xilinx_dma_chan_probe()
2798 if (xdev->flush_on_fsync == XILINX_DMA_FLUSH_BOTH || in xilinx_dma_chan_probe()
2799 xdev->flush_on_fsync == XILINX_DMA_FLUSH_MM2S) in xilinx_dma_chan_probe()
2807 chan->id = xdev->s2mm_chan_id++; in xilinx_dma_chan_probe()
2808 chan->tdest = chan->id - xdev->dma_config->max_channels / 2; in xilinx_dma_chan_probe()
2817 if (xdev->dma_config->dmatype == XDMA_TYPE_AXIMCDMA) in xilinx_dma_chan_probe()
2822 if (xdev->dma_config->dmatype == XDMA_TYPE_VDMA) { in xilinx_dma_chan_probe()
2826 if (xdev->flush_on_fsync == XILINX_DMA_FLUSH_BOTH || in xilinx_dma_chan_probe()
2827 xdev->flush_on_fsync == XILINX_DMA_FLUSH_S2MM) in xilinx_dma_chan_probe()
2831 dev_err(xdev->dev, "Invalid channel compatible node\n"); in xilinx_dma_chan_probe()
2837 err = request_irq(chan->irq, xdev->dma_config->irq_handler, in xilinx_dma_chan_probe()
2840 dev_err(xdev->dev, "unable to request IRQ %d\n", chan->irq); in xilinx_dma_chan_probe()
2844 if (xdev->dma_config->dmatype == XDMA_TYPE_AXIDMA) { in xilinx_dma_chan_probe()
2847 } else if (xdev->dma_config->dmatype == XDMA_TYPE_AXIMCDMA) { in xilinx_dma_chan_probe()
2850 } else if (xdev->dma_config->dmatype == XDMA_TYPE_CDMA) { in xilinx_dma_chan_probe()
2859 if (xdev->dma_config->dmatype != XDMA_TYPE_VDMA) { in xilinx_dma_chan_probe()
2860 if (xdev->dma_config->dmatype == XDMA_TYPE_AXIMCDMA || in xilinx_dma_chan_probe()
2875 chan->common.device = &xdev->common; in xilinx_dma_chan_probe()
2877 list_add_tail(&chan->common.device_node, &xdev->common.channels); in xilinx_dma_chan_probe()
2878 xdev->chan[chan->id] = chan; in xilinx_dma_chan_probe()
2883 dev_err(xdev->dev, "Reset channel failed\n"); in xilinx_dma_chan_probe()
2900 static int xilinx_dma_child_probe(struct xilinx_dma_device *xdev, in xilinx_dma_child_probe() argument
2906 if (xdev->dma_config->dmatype == XDMA_TYPE_AXIMCDMA && ret < 0) in xilinx_dma_child_probe()
2907 dev_warn(xdev->dev, "missing dma-channels property\n"); in xilinx_dma_child_probe()
2910 xilinx_dma_chan_probe(xdev, node); in xilinx_dma_child_probe()
2925 struct xilinx_dma_device *xdev = ofdma->of_dma_data; in of_dma_xilinx_xlate() local
2928 if (chan_id >= xdev->dma_config->max_channels || !xdev->chan[chan_id]) in of_dma_xilinx_xlate()
2931 return dma_get_slave_channel(&xdev->chan[chan_id]->common); in of_dma_xilinx_xlate()
2982 struct xilinx_dma_device *xdev; in xilinx_dma_probe() local
2988 xdev = devm_kzalloc(&pdev->dev, sizeof(*xdev), GFP_KERNEL); in xilinx_dma_probe()
2989 if (!xdev) in xilinx_dma_probe()
2992 xdev->dev = &pdev->dev; in xilinx_dma_probe()
2998 xdev->dma_config = match->data; in xilinx_dma_probe()
2999 clk_init = xdev->dma_config->clk_init; in xilinx_dma_probe()
3003 err = clk_init(pdev, &xdev->axi_clk, &xdev->tx_clk, &xdev->txs_clk, in xilinx_dma_probe()
3004 &xdev->rx_clk, &xdev->rxs_clk); in xilinx_dma_probe()
3009 xdev->regs = devm_platform_ioremap_resource(pdev, 0); in xilinx_dma_probe()
3010 if (IS_ERR(xdev->regs)) in xilinx_dma_probe()
3011 return PTR_ERR(xdev->regs); in xilinx_dma_probe()
3014 xdev->max_buffer_len = GENMASK(XILINX_DMA_MAX_TRANS_LEN_MAX - 1, 0); in xilinx_dma_probe()
3015 xdev->s2mm_chan_id = xdev->dma_config->max_channels / 2; in xilinx_dma_probe()
3017 if (xdev->dma_config->dmatype == XDMA_TYPE_AXIDMA || in xilinx_dma_probe()
3018 xdev->dma_config->dmatype == XDMA_TYPE_AXIMCDMA) { in xilinx_dma_probe()
3023 dev_warn(xdev->dev, in xilinx_dma_probe()
3027 dev_warn(xdev->dev, "Please ensure that IP supports buffer length > 23 bits\n"); in xilinx_dma_probe()
3028 xdev->max_buffer_len = in xilinx_dma_probe()
3034 if (xdev->dma_config->dmatype == XDMA_TYPE_VDMA) { in xilinx_dma_probe()
3038 dev_err(xdev->dev, in xilinx_dma_probe()
3044 &xdev->flush_on_fsync); in xilinx_dma_probe()
3046 dev_warn(xdev->dev, in xilinx_dma_probe()
3052 dev_warn(xdev->dev, "missing xlnx,addrwidth property\n"); in xilinx_dma_probe()
3055 xdev->ext_addr = true; in xilinx_dma_probe()
3057 xdev->ext_addr = false; in xilinx_dma_probe()
3060 dma_set_mask(xdev->dev, DMA_BIT_MASK(addr_width)); in xilinx_dma_probe()
3063 xdev->common.dev = &pdev->dev; in xilinx_dma_probe()
3065 INIT_LIST_HEAD(&xdev->common.channels); in xilinx_dma_probe()
3066 if (!(xdev->dma_config->dmatype == XDMA_TYPE_CDMA)) { in xilinx_dma_probe()
3067 dma_cap_set(DMA_SLAVE, xdev->common.cap_mask); in xilinx_dma_probe()
3068 dma_cap_set(DMA_PRIVATE, xdev->common.cap_mask); in xilinx_dma_probe()
3071 xdev->common.device_alloc_chan_resources = in xilinx_dma_probe()
3073 xdev->common.device_free_chan_resources = in xilinx_dma_probe()
3075 xdev->common.device_terminate_all = xilinx_dma_terminate_all; in xilinx_dma_probe()
3076 xdev->common.device_tx_status = xilinx_dma_tx_status; in xilinx_dma_probe()
3077 xdev->common.device_issue_pending = xilinx_dma_issue_pending; in xilinx_dma_probe()
3078 if (xdev->dma_config->dmatype == XDMA_TYPE_AXIDMA) { in xilinx_dma_probe()
3079 dma_cap_set(DMA_CYCLIC, xdev->common.cap_mask); in xilinx_dma_probe()
3080 xdev->common.device_prep_slave_sg = xilinx_dma_prep_slave_sg; in xilinx_dma_probe()
3081 xdev->common.device_prep_dma_cyclic = in xilinx_dma_probe()
3084 xdev->common.residue_granularity = in xilinx_dma_probe()
3086 } else if (xdev->dma_config->dmatype == XDMA_TYPE_CDMA) { in xilinx_dma_probe()
3087 dma_cap_set(DMA_MEMCPY, xdev->common.cap_mask); in xilinx_dma_probe()
3088 xdev->common.device_prep_dma_memcpy = xilinx_cdma_prep_memcpy; in xilinx_dma_probe()
3090 xdev->common.residue_granularity = in xilinx_dma_probe()
3092 } else if (xdev->dma_config->dmatype == XDMA_TYPE_AXIMCDMA) { in xilinx_dma_probe()
3093 xdev->common.device_prep_slave_sg = xilinx_mcdma_prep_slave_sg; in xilinx_dma_probe()
3095 xdev->common.device_prep_interleaved_dma = in xilinx_dma_probe()
3099 platform_set_drvdata(pdev, xdev); in xilinx_dma_probe()
3103 err = xilinx_dma_child_probe(xdev, child); in xilinx_dma_probe()
3108 if (xdev->dma_config->dmatype == XDMA_TYPE_VDMA) { in xilinx_dma_probe()
3109 for (i = 0; i < xdev->dma_config->max_channels; i++) in xilinx_dma_probe()
3110 if (xdev->chan[i]) in xilinx_dma_probe()
3111 xdev->chan[i]->num_frms = num_frames; in xilinx_dma_probe()
3115 dma_async_device_register(&xdev->common); in xilinx_dma_probe()
3118 xdev); in xilinx_dma_probe()
3121 dma_async_device_unregister(&xdev->common); in xilinx_dma_probe()
3125 if (xdev->dma_config->dmatype == XDMA_TYPE_AXIDMA) in xilinx_dma_probe()
3127 else if (xdev->dma_config->dmatype == XDMA_TYPE_CDMA) in xilinx_dma_probe()
3129 else if (xdev->dma_config->dmatype == XDMA_TYPE_AXIMCDMA) in xilinx_dma_probe()
3137 xdma_disable_allclks(xdev); in xilinx_dma_probe()
3139 for (i = 0; i < xdev->dma_config->max_channels; i++) in xilinx_dma_probe()
3140 if (xdev->chan[i]) in xilinx_dma_probe()
3141 xilinx_dma_chan_remove(xdev->chan[i]); in xilinx_dma_probe()
3154 struct xilinx_dma_device *xdev = platform_get_drvdata(pdev); in xilinx_dma_remove() local
3159 dma_async_device_unregister(&xdev->common); in xilinx_dma_remove()
3161 for (i = 0; i < xdev->dma_config->max_channels; i++) in xilinx_dma_remove()
3162 if (xdev->chan[i]) in xilinx_dma_remove()
3163 xilinx_dma_chan_remove(xdev->chan[i]); in xilinx_dma_remove()
3165 xdma_disable_allclks(xdev); in xilinx_dma_remove()