Lines Matching refs:xdev
415 struct xilinx_dma_device *xdev; member
522 readl_poll_timeout_atomic(chan->xdev->regs + chan->ctrl_offset + reg, \
528 return ioread32(chan->xdev->regs + reg); in dma_read()
533 iowrite32(value, chan->xdev->regs + reg); in dma_write()
580 writel(value_lsb, chan->xdev->regs + chan->desc_offset + reg); in vdma_desc_write_64()
583 writel(value_msb, chan->xdev->regs + chan->desc_offset + reg + 4); in vdma_desc_write_64()
588 lo_hi_writeq(value, chan->xdev->regs + chan->ctrl_offset + reg); in dma_writeq()
831 if (chan->xdev->dma_config->dmatype == XDMA_TYPE_VDMA) { in xilinx_dma_free_tx_descriptor()
836 } else if (chan->xdev->dma_config->dmatype == XDMA_TYPE_CDMA) { in xilinx_dma_free_tx_descriptor()
842 } else if (chan->xdev->dma_config->dmatype == XDMA_TYPE_AXIDMA) { in xilinx_dma_free_tx_descriptor()
907 if (chan->xdev->dma_config->dmatype == XDMA_TYPE_AXIDMA) { in xilinx_dma_free_chan_resources()
922 if (chan->xdev->dma_config->dmatype == XDMA_TYPE_AXIMCDMA) { in xilinx_dma_free_chan_resources()
933 if (chan->xdev->dma_config->dmatype != XDMA_TYPE_AXIDMA && in xilinx_dma_free_chan_resources()
934 chan->xdev->dma_config->dmatype != XDMA_TYPE_AXIMCDMA) { in xilinx_dma_free_chan_resources()
961 if (chan->xdev->dma_config->dmatype == XDMA_TYPE_CDMA) { in xilinx_dma_get_residue()
967 chan->xdev->max_buffer_len; in xilinx_dma_get_residue()
968 } else if (chan->xdev->dma_config->dmatype == in xilinx_dma_get_residue()
975 chan->xdev->max_buffer_len; in xilinx_dma_get_residue()
984 chan->xdev->max_buffer_len; in xilinx_dma_get_residue()
1096 if (chan->xdev->dma_config->dmatype == XDMA_TYPE_AXIDMA) { in xilinx_dma_alloc_chan_resources()
1139 } else if (chan->xdev->dma_config->dmatype == XDMA_TYPE_AXIMCDMA) { in xilinx_dma_alloc_chan_resources()
1163 } else if (chan->xdev->dma_config->dmatype == XDMA_TYPE_CDMA) { in xilinx_dma_alloc_chan_resources()
1178 ((chan->xdev->dma_config->dmatype != XDMA_TYPE_AXIDMA) && in xilinx_dma_alloc_chan_resources()
1179 chan->xdev->dma_config->dmatype != XDMA_TYPE_AXIMCDMA)) { in xilinx_dma_alloc_chan_resources()
1188 if (chan->xdev->dma_config->dmatype == XDMA_TYPE_AXIDMA) { in xilinx_dma_alloc_chan_resources()
1196 if ((chan->xdev->dma_config->dmatype == XDMA_TYPE_CDMA) && chan->has_sg) in xilinx_dma_alloc_chan_resources()
1217 chan->xdev->max_buffer_len); in xilinx_dma_calc_copysize()
1220 chan->xdev->common.copy_align) { in xilinx_dma_calc_copysize()
1226 (1 << chan->xdev->common.copy_align)); in xilinx_dma_calc_copysize()
1261 if (chan->has_sg && chan->xdev->dma_config->dmatype != XDMA_TYPE_VDMA) in xilinx_dma_tx_status()
1495 hw->control & chan->xdev->max_buffer_len); in xilinx_cdma_start_transfer()
1569 hw->control & chan->xdev->max_buffer_len); in xilinx_dma_start_transfer()
1676 if (chan->has_sg && chan->xdev->dma_config->dmatype != in xilinx_dma_complete_descriptor()
1770 chan_offset = chan->xdev->dma_config->max_channels / 2; in xilinx_mcdma_irq_handler()
1773 chan = chan->xdev->chan[chan_offset]; in xilinx_mcdma_irq_handler()
1900 if (chan->xdev->dma_config->dmatype == XDMA_TYPE_VDMA) { in append_desc_queue()
1905 } else if (chan->xdev->dma_config->dmatype == XDMA_TYPE_CDMA) { in append_desc_queue()
1910 } else if (chan->xdev->dma_config->dmatype == XDMA_TYPE_AXIDMA) { in append_desc_queue()
1931 if (chan->has_sg && (chan->xdev->dma_config->dmatype == XDMA_TYPE_VDMA) in append_desc_queue()
2085 if (!len || len > chan->xdev->max_buffer_len) in xilinx_cdma_prep_memcpy()
2383 chan->xdev->max_buffer_len); in xilinx_mcdma_prep_slave_sg()
2461 if ((chan->xdev->dma_config->dmatype == XDMA_TYPE_CDMA) && chan->has_sg) in xilinx_dma_terminate_all()
2730 static void xdma_disable_allclks(struct xilinx_dma_device *xdev) in xdma_disable_allclks() argument
2732 clk_disable_unprepare(xdev->rxs_clk); in xdma_disable_allclks()
2733 clk_disable_unprepare(xdev->rx_clk); in xdma_disable_allclks()
2734 clk_disable_unprepare(xdev->txs_clk); in xdma_disable_allclks()
2735 clk_disable_unprepare(xdev->tx_clk); in xdma_disable_allclks()
2736 clk_disable_unprepare(xdev->axi_clk); in xdma_disable_allclks()
2749 static int xilinx_dma_chan_probe(struct xilinx_dma_device *xdev, in xilinx_dma_chan_probe() argument
2758 chan = devm_kzalloc(xdev->dev, sizeof(*chan), GFP_KERNEL); in xilinx_dma_chan_probe()
2762 chan->dev = xdev->dev; in xilinx_dma_chan_probe()
2763 chan->xdev = xdev; in xilinx_dma_chan_probe()
2765 chan->ext_addr = xdev->ext_addr; in xilinx_dma_chan_probe()
2786 dev_err(xdev->dev, "missing xlnx,datawidth property\n"); in xilinx_dma_chan_probe()
2796 xdev->common.copy_align = (enum dmaengine_alignment)fls(width - 1); in xilinx_dma_chan_probe()
2802 chan->id = xdev->mm2s_chan_id++; in xilinx_dma_chan_probe()
2806 if (xdev->dma_config->dmatype == XDMA_TYPE_VDMA) { in xilinx_dma_chan_probe()
2810 if (xdev->flush_on_fsync == XILINX_DMA_FLUSH_BOTH || in xilinx_dma_chan_probe()
2811 xdev->flush_on_fsync == XILINX_DMA_FLUSH_MM2S) in xilinx_dma_chan_probe()
2819 chan->id = xdev->s2mm_chan_id++; in xilinx_dma_chan_probe()
2820 chan->tdest = chan->id - xdev->dma_config->max_channels / 2; in xilinx_dma_chan_probe()
2829 if (xdev->dma_config->dmatype == XDMA_TYPE_AXIMCDMA) in xilinx_dma_chan_probe()
2834 if (xdev->dma_config->dmatype == XDMA_TYPE_VDMA) { in xilinx_dma_chan_probe()
2838 if (xdev->flush_on_fsync == XILINX_DMA_FLUSH_BOTH || in xilinx_dma_chan_probe()
2839 xdev->flush_on_fsync == XILINX_DMA_FLUSH_S2MM) in xilinx_dma_chan_probe()
2843 dev_err(xdev->dev, "Invalid channel compatible node\n"); in xilinx_dma_chan_probe()
2849 err = request_irq(chan->irq, xdev->dma_config->irq_handler, in xilinx_dma_chan_probe()
2852 dev_err(xdev->dev, "unable to request IRQ %d\n", chan->irq); in xilinx_dma_chan_probe()
2856 if (xdev->dma_config->dmatype == XDMA_TYPE_AXIDMA) { in xilinx_dma_chan_probe()
2859 } else if (xdev->dma_config->dmatype == XDMA_TYPE_AXIMCDMA) { in xilinx_dma_chan_probe()
2862 } else if (xdev->dma_config->dmatype == XDMA_TYPE_CDMA) { in xilinx_dma_chan_probe()
2871 if (xdev->dma_config->dmatype != XDMA_TYPE_VDMA) { in xilinx_dma_chan_probe()
2872 if (xdev->dma_config->dmatype == XDMA_TYPE_AXIMCDMA || in xilinx_dma_chan_probe()
2887 chan->common.device = &xdev->common; in xilinx_dma_chan_probe()
2889 list_add_tail(&chan->common.device_node, &xdev->common.channels); in xilinx_dma_chan_probe()
2890 xdev->chan[chan->id] = chan; in xilinx_dma_chan_probe()
2895 dev_err(xdev->dev, "Reset channel failed\n"); in xilinx_dma_chan_probe()
2912 static int xilinx_dma_child_probe(struct xilinx_dma_device *xdev, in xilinx_dma_child_probe() argument
2919 if (xdev->dma_config->dmatype == XDMA_TYPE_AXIMCDMA && ret < 0) in xilinx_dma_child_probe()
2920 dev_warn(xdev->dev, "missing dma-channels property\n"); in xilinx_dma_child_probe()
2923 xilinx_dma_chan_probe(xdev, node); in xilinx_dma_child_probe()
2938 struct xilinx_dma_device *xdev = ofdma->of_dma_data; in of_dma_xilinx_xlate() local
2941 if (chan_id >= xdev->dma_config->max_channels || !xdev->chan[chan_id]) in of_dma_xilinx_xlate()
2944 return dma_get_slave_channel(&xdev->chan[chan_id]->common); in of_dma_xilinx_xlate()
2995 struct xilinx_dma_device *xdev; in xilinx_dma_probe() local
3001 xdev = devm_kzalloc(&pdev->dev, sizeof(*xdev), GFP_KERNEL); in xilinx_dma_probe()
3002 if (!xdev) in xilinx_dma_probe()
3005 xdev->dev = &pdev->dev; in xilinx_dma_probe()
3011 xdev->dma_config = match->data; in xilinx_dma_probe()
3012 clk_init = xdev->dma_config->clk_init; in xilinx_dma_probe()
3016 err = clk_init(pdev, &xdev->axi_clk, &xdev->tx_clk, &xdev->txs_clk, in xilinx_dma_probe()
3017 &xdev->rx_clk, &xdev->rxs_clk); in xilinx_dma_probe()
3022 xdev->regs = devm_platform_ioremap_resource(pdev, 0); in xilinx_dma_probe()
3023 if (IS_ERR(xdev->regs)) { in xilinx_dma_probe()
3024 err = PTR_ERR(xdev->regs); in xilinx_dma_probe()
3028 xdev->max_buffer_len = GENMASK(XILINX_DMA_MAX_TRANS_LEN_MAX - 1, 0); in xilinx_dma_probe()
3029 xdev->s2mm_chan_id = xdev->dma_config->max_channels / 2; in xilinx_dma_probe()
3031 if (xdev->dma_config->dmatype == XDMA_TYPE_AXIDMA || in xilinx_dma_probe()
3032 xdev->dma_config->dmatype == XDMA_TYPE_AXIMCDMA) { in xilinx_dma_probe()
3037 dev_warn(xdev->dev, in xilinx_dma_probe()
3041 dev_warn(xdev->dev, "Please ensure that IP supports buffer length > 23 bits\n"); in xilinx_dma_probe()
3042 xdev->max_buffer_len = in xilinx_dma_probe()
3048 if (xdev->dma_config->dmatype == XDMA_TYPE_VDMA) { in xilinx_dma_probe()
3052 dev_err(xdev->dev, in xilinx_dma_probe()
3058 &xdev->flush_on_fsync); in xilinx_dma_probe()
3060 dev_warn(xdev->dev, in xilinx_dma_probe()
3066 dev_warn(xdev->dev, "missing xlnx,addrwidth property\n"); in xilinx_dma_probe()
3069 xdev->ext_addr = true; in xilinx_dma_probe()
3071 xdev->ext_addr = false; in xilinx_dma_probe()
3074 err = dma_set_mask_and_coherent(xdev->dev, DMA_BIT_MASK(addr_width)); in xilinx_dma_probe()
3076 dev_err(xdev->dev, "DMA mask error %d\n", err); in xilinx_dma_probe()
3081 xdev->common.dev = &pdev->dev; in xilinx_dma_probe()
3083 INIT_LIST_HEAD(&xdev->common.channels); in xilinx_dma_probe()
3084 if (!(xdev->dma_config->dmatype == XDMA_TYPE_CDMA)) { in xilinx_dma_probe()
3085 dma_cap_set(DMA_SLAVE, xdev->common.cap_mask); in xilinx_dma_probe()
3086 dma_cap_set(DMA_PRIVATE, xdev->common.cap_mask); in xilinx_dma_probe()
3089 xdev->common.device_alloc_chan_resources = in xilinx_dma_probe()
3091 xdev->common.device_free_chan_resources = in xilinx_dma_probe()
3093 xdev->common.device_terminate_all = xilinx_dma_terminate_all; in xilinx_dma_probe()
3094 xdev->common.device_tx_status = xilinx_dma_tx_status; in xilinx_dma_probe()
3095 xdev->common.device_issue_pending = xilinx_dma_issue_pending; in xilinx_dma_probe()
3096 if (xdev->dma_config->dmatype == XDMA_TYPE_AXIDMA) { in xilinx_dma_probe()
3097 dma_cap_set(DMA_CYCLIC, xdev->common.cap_mask); in xilinx_dma_probe()
3098 xdev->common.device_prep_slave_sg = xilinx_dma_prep_slave_sg; in xilinx_dma_probe()
3099 xdev->common.device_prep_dma_cyclic = in xilinx_dma_probe()
3102 xdev->common.residue_granularity = in xilinx_dma_probe()
3104 } else if (xdev->dma_config->dmatype == XDMA_TYPE_CDMA) { in xilinx_dma_probe()
3105 dma_cap_set(DMA_MEMCPY, xdev->common.cap_mask); in xilinx_dma_probe()
3106 xdev->common.device_prep_dma_memcpy = xilinx_cdma_prep_memcpy; in xilinx_dma_probe()
3108 xdev->common.residue_granularity = in xilinx_dma_probe()
3110 } else if (xdev->dma_config->dmatype == XDMA_TYPE_AXIMCDMA) { in xilinx_dma_probe()
3111 xdev->common.device_prep_slave_sg = xilinx_mcdma_prep_slave_sg; in xilinx_dma_probe()
3113 xdev->common.device_prep_interleaved_dma = in xilinx_dma_probe()
3117 platform_set_drvdata(pdev, xdev); in xilinx_dma_probe()
3121 err = xilinx_dma_child_probe(xdev, child); in xilinx_dma_probe()
3126 if (xdev->dma_config->dmatype == XDMA_TYPE_VDMA) { in xilinx_dma_probe()
3127 for (i = 0; i < xdev->dma_config->max_channels; i++) in xilinx_dma_probe()
3128 if (xdev->chan[i]) in xilinx_dma_probe()
3129 xdev->chan[i]->num_frms = num_frames; in xilinx_dma_probe()
3133 err = dma_async_device_register(&xdev->common); in xilinx_dma_probe()
3135 dev_err(xdev->dev, "failed to register the dma device\n"); in xilinx_dma_probe()
3140 xdev); in xilinx_dma_probe()
3143 dma_async_device_unregister(&xdev->common); in xilinx_dma_probe()
3147 if (xdev->dma_config->dmatype == XDMA_TYPE_AXIDMA) in xilinx_dma_probe()
3149 else if (xdev->dma_config->dmatype == XDMA_TYPE_CDMA) in xilinx_dma_probe()
3151 else if (xdev->dma_config->dmatype == XDMA_TYPE_AXIMCDMA) in xilinx_dma_probe()
3159 for (i = 0; i < xdev->dma_config->max_channels; i++) in xilinx_dma_probe()
3160 if (xdev->chan[i]) in xilinx_dma_probe()
3161 xilinx_dma_chan_remove(xdev->chan[i]); in xilinx_dma_probe()
3163 xdma_disable_allclks(xdev); in xilinx_dma_probe()
3176 struct xilinx_dma_device *xdev = platform_get_drvdata(pdev); in xilinx_dma_remove() local
3181 dma_async_device_unregister(&xdev->common); in xilinx_dma_remove()
3183 for (i = 0; i < xdev->dma_config->max_channels; i++) in xilinx_dma_remove()
3184 if (xdev->chan[i]) in xilinx_dma_remove()
3185 xilinx_dma_chan_remove(xdev->chan[i]); in xilinx_dma_remove()
3187 xdma_disable_allclks(xdev); in xilinx_dma_remove()