Lines Matching refs:xdev
421 struct xilinx_dma_device *xdev; member
531 readl_poll_timeout_atomic(chan->xdev->regs + chan->ctrl_offset + reg, \
537 return ioread32(chan->xdev->regs + reg); in dma_read()
542 iowrite32(value, chan->xdev->regs + reg); in dma_write()
589 writel(value_lsb, chan->xdev->regs + chan->desc_offset + reg); in vdma_desc_write_64()
592 writel(value_msb, chan->xdev->regs + chan->desc_offset + reg + 4); in vdma_desc_write_64()
597 lo_hi_writeq(value, chan->xdev->regs + chan->ctrl_offset + reg); in dma_writeq()
863 if (chan->xdev->dma_config->dmatype == XDMA_TYPE_VDMA) { in xilinx_dma_free_tx_descriptor()
868 } else if (chan->xdev->dma_config->dmatype == XDMA_TYPE_CDMA) { in xilinx_dma_free_tx_descriptor()
874 } else if (chan->xdev->dma_config->dmatype == XDMA_TYPE_AXIDMA) { in xilinx_dma_free_tx_descriptor()
939 if (chan->xdev->dma_config->dmatype == XDMA_TYPE_AXIDMA) { in xilinx_dma_free_chan_resources()
954 if (chan->xdev->dma_config->dmatype == XDMA_TYPE_AXIMCDMA) { in xilinx_dma_free_chan_resources()
965 if (chan->xdev->dma_config->dmatype != XDMA_TYPE_AXIDMA && in xilinx_dma_free_chan_resources()
966 chan->xdev->dma_config->dmatype != XDMA_TYPE_AXIMCDMA) { in xilinx_dma_free_chan_resources()
993 if (chan->xdev->dma_config->dmatype == XDMA_TYPE_CDMA) { in xilinx_dma_get_residue()
999 chan->xdev->max_buffer_len; in xilinx_dma_get_residue()
1000 } else if (chan->xdev->dma_config->dmatype == in xilinx_dma_get_residue()
1007 chan->xdev->max_buffer_len; in xilinx_dma_get_residue()
1016 chan->xdev->max_buffer_len; in xilinx_dma_get_residue()
1126 if (chan->xdev->dma_config->dmatype == XDMA_TYPE_AXIDMA) { in xilinx_dma_alloc_chan_resources()
1169 } else if (chan->xdev->dma_config->dmatype == XDMA_TYPE_AXIMCDMA) { in xilinx_dma_alloc_chan_resources()
1193 } else if (chan->xdev->dma_config->dmatype == XDMA_TYPE_CDMA) { in xilinx_dma_alloc_chan_resources()
1208 ((chan->xdev->dma_config->dmatype != XDMA_TYPE_AXIDMA) && in xilinx_dma_alloc_chan_resources()
1209 chan->xdev->dma_config->dmatype != XDMA_TYPE_AXIMCDMA)) { in xilinx_dma_alloc_chan_resources()
1218 if (chan->xdev->dma_config->dmatype == XDMA_TYPE_AXIDMA) { in xilinx_dma_alloc_chan_resources()
1226 if ((chan->xdev->dma_config->dmatype == XDMA_TYPE_CDMA) && chan->has_sg) in xilinx_dma_alloc_chan_resources()
1247 chan->xdev->max_buffer_len); in xilinx_dma_calc_copysize()
1250 chan->xdev->common.copy_align) { in xilinx_dma_calc_copysize()
1256 (1 << chan->xdev->common.copy_align)); in xilinx_dma_calc_copysize()
1291 if (chan->has_sg && chan->xdev->dma_config->dmatype != XDMA_TYPE_VDMA) in xilinx_dma_tx_status()
1524 hw->control & chan->xdev->max_buffer_len); in xilinx_cdma_start_transfer()
1601 hw->control & chan->xdev->max_buffer_len); in xilinx_dma_start_transfer()
1721 if (chan->xdev->dma_config->dmatype == XDMA_TYPE_AXIDMA) { in xilinx_dma_complete_descriptor()
1729 if (chan->has_sg && chan->xdev->dma_config->dmatype != in xilinx_dma_complete_descriptor()
1823 chan_offset = chan->xdev->dma_config->max_channels / 2; in xilinx_mcdma_irq_handler()
1826 chan = chan->xdev->chan[chan_offset]; in xilinx_mcdma_irq_handler()
1946 if (chan->xdev->dma_config->dmatype == XDMA_TYPE_VDMA) { in append_desc_queue()
1951 } else if (chan->xdev->dma_config->dmatype == XDMA_TYPE_CDMA) { in append_desc_queue()
1956 } else if (chan->xdev->dma_config->dmatype == XDMA_TYPE_AXIDMA) { in append_desc_queue()
1977 if (chan->has_sg && (chan->xdev->dma_config->dmatype == XDMA_TYPE_VDMA) in append_desc_queue()
2135 if (!len || len > chan->xdev->max_buffer_len) in xilinx_cdma_prep_memcpy()
2264 if (chan->xdev->has_axistream_connected) in xilinx_dma_prep_slave_sg()
2436 chan->xdev->max_buffer_len); in xilinx_mcdma_prep_slave_sg()
2514 if ((chan->xdev->dma_config->dmatype == XDMA_TYPE_CDMA) && chan->has_sg) in xilinx_dma_terminate_all()
2790 static void xdma_disable_allclks(struct xilinx_dma_device *xdev) in xdma_disable_allclks() argument
2792 clk_disable_unprepare(xdev->rxs_clk); in xdma_disable_allclks()
2793 clk_disable_unprepare(xdev->rx_clk); in xdma_disable_allclks()
2794 clk_disable_unprepare(xdev->txs_clk); in xdma_disable_allclks()
2795 clk_disable_unprepare(xdev->tx_clk); in xdma_disable_allclks()
2796 clk_disable_unprepare(xdev->axi_clk); in xdma_disable_allclks()
2809 static int xilinx_dma_chan_probe(struct xilinx_dma_device *xdev, in xilinx_dma_chan_probe() argument
2818 chan = devm_kzalloc(xdev->dev, sizeof(*chan), GFP_KERNEL); in xilinx_dma_chan_probe()
2822 chan->dev = xdev->dev; in xilinx_dma_chan_probe()
2823 chan->xdev = xdev; in xilinx_dma_chan_probe()
2825 chan->ext_addr = xdev->ext_addr; in xilinx_dma_chan_probe()
2848 dev_err(xdev->dev, "missing xlnx,datawidth property\n"); in xilinx_dma_chan_probe()
2858 xdev->common.copy_align = (enum dmaengine_alignment)fls(width - 1); in xilinx_dma_chan_probe()
2864 chan->id = xdev->mm2s_chan_id++; in xilinx_dma_chan_probe()
2868 if (xdev->dma_config->dmatype == XDMA_TYPE_VDMA) { in xilinx_dma_chan_probe()
2872 if (xdev->flush_on_fsync == XILINX_DMA_FLUSH_BOTH || in xilinx_dma_chan_probe()
2873 xdev->flush_on_fsync == XILINX_DMA_FLUSH_MM2S) in xilinx_dma_chan_probe()
2881 chan->id = xdev->s2mm_chan_id++; in xilinx_dma_chan_probe()
2882 chan->tdest = chan->id - xdev->dma_config->max_channels / 2; in xilinx_dma_chan_probe()
2891 if (xdev->dma_config->dmatype == XDMA_TYPE_AXIMCDMA) in xilinx_dma_chan_probe()
2896 if (xdev->dma_config->dmatype == XDMA_TYPE_VDMA) { in xilinx_dma_chan_probe()
2900 if (xdev->flush_on_fsync == XILINX_DMA_FLUSH_BOTH || in xilinx_dma_chan_probe()
2901 xdev->flush_on_fsync == XILINX_DMA_FLUSH_S2MM) in xilinx_dma_chan_probe()
2905 dev_err(xdev->dev, "Invalid channel compatible node\n"); in xilinx_dma_chan_probe()
2912 return dev_err_probe(xdev->dev, chan->irq, "failed to get irq\n"); in xilinx_dma_chan_probe()
2913 err = request_irq(chan->irq, xdev->dma_config->irq_handler, in xilinx_dma_chan_probe()
2916 dev_err(xdev->dev, "unable to request IRQ %d\n", chan->irq); in xilinx_dma_chan_probe()
2920 if (xdev->dma_config->dmatype == XDMA_TYPE_AXIDMA) { in xilinx_dma_chan_probe()
2923 } else if (xdev->dma_config->dmatype == XDMA_TYPE_AXIMCDMA) { in xilinx_dma_chan_probe()
2926 } else if (xdev->dma_config->dmatype == XDMA_TYPE_CDMA) { in xilinx_dma_chan_probe()
2935 if (xdev->dma_config->dmatype != XDMA_TYPE_VDMA) { in xilinx_dma_chan_probe()
2936 if (xdev->dma_config->dmatype == XDMA_TYPE_AXIMCDMA || in xilinx_dma_chan_probe()
2951 chan->common.device = &xdev->common; in xilinx_dma_chan_probe()
2953 list_add_tail(&chan->common.device_node, &xdev->common.channels); in xilinx_dma_chan_probe()
2954 xdev->chan[chan->id] = chan; in xilinx_dma_chan_probe()
2959 dev_err(xdev->dev, "Reset channel failed\n"); in xilinx_dma_chan_probe()
2976 static int xilinx_dma_child_probe(struct xilinx_dma_device *xdev, in xilinx_dma_child_probe() argument
2983 if (xdev->dma_config->dmatype == XDMA_TYPE_AXIMCDMA && ret < 0) in xilinx_dma_child_probe()
2984 dev_warn(xdev->dev, "missing dma-channels property\n"); in xilinx_dma_child_probe()
2987 ret = xilinx_dma_chan_probe(xdev, node); in xilinx_dma_child_probe()
3005 struct xilinx_dma_device *xdev = ofdma->of_dma_data; in of_dma_xilinx_xlate() local
3008 if (chan_id >= xdev->dma_config->max_channels || !xdev->chan[chan_id]) in of_dma_xilinx_xlate()
3011 return dma_get_slave_channel(&xdev->chan[chan_id]->common); in of_dma_xilinx_xlate()
3062 struct xilinx_dma_device *xdev; in xilinx_dma_probe() local
3068 xdev = devm_kzalloc(&pdev->dev, sizeof(*xdev), GFP_KERNEL); in xilinx_dma_probe()
3069 if (!xdev) in xilinx_dma_probe()
3072 xdev->dev = &pdev->dev; in xilinx_dma_probe()
3078 xdev->dma_config = match->data; in xilinx_dma_probe()
3079 clk_init = xdev->dma_config->clk_init; in xilinx_dma_probe()
3083 err = clk_init(pdev, &xdev->axi_clk, &xdev->tx_clk, &xdev->txs_clk, in xilinx_dma_probe()
3084 &xdev->rx_clk, &xdev->rxs_clk); in xilinx_dma_probe()
3089 xdev->regs = devm_platform_ioremap_resource(pdev, 0); in xilinx_dma_probe()
3090 if (IS_ERR(xdev->regs)) { in xilinx_dma_probe()
3091 err = PTR_ERR(xdev->regs); in xilinx_dma_probe()
3095 xdev->max_buffer_len = GENMASK(XILINX_DMA_MAX_TRANS_LEN_MAX - 1, 0); in xilinx_dma_probe()
3096 xdev->s2mm_chan_id = xdev->dma_config->max_channels / 2; in xilinx_dma_probe()
3098 if (xdev->dma_config->dmatype == XDMA_TYPE_AXIDMA || in xilinx_dma_probe()
3099 xdev->dma_config->dmatype == XDMA_TYPE_AXIMCDMA) { in xilinx_dma_probe()
3104 dev_warn(xdev->dev, in xilinx_dma_probe()
3108 dev_warn(xdev->dev, "Please ensure that IP supports buffer length > 23 bits\n"); in xilinx_dma_probe()
3109 xdev->max_buffer_len = in xilinx_dma_probe()
3115 if (xdev->dma_config->dmatype == XDMA_TYPE_AXIDMA) { in xilinx_dma_probe()
3116 xdev->has_axistream_connected = in xilinx_dma_probe()
3120 if (xdev->dma_config->dmatype == XDMA_TYPE_VDMA) { in xilinx_dma_probe()
3124 dev_err(xdev->dev, in xilinx_dma_probe()
3130 &xdev->flush_on_fsync); in xilinx_dma_probe()
3132 dev_warn(xdev->dev, in xilinx_dma_probe()
3138 dev_warn(xdev->dev, "missing xlnx,addrwidth property\n"); in xilinx_dma_probe()
3141 xdev->ext_addr = true; in xilinx_dma_probe()
3143 xdev->ext_addr = false; in xilinx_dma_probe()
3146 if (xdev->has_axistream_connected) in xilinx_dma_probe()
3147 xdev->common.desc_metadata_modes = DESC_METADATA_ENGINE; in xilinx_dma_probe()
3150 err = dma_set_mask_and_coherent(xdev->dev, DMA_BIT_MASK(addr_width)); in xilinx_dma_probe()
3152 dev_err(xdev->dev, "DMA mask error %d\n", err); in xilinx_dma_probe()
3157 xdev->common.dev = &pdev->dev; in xilinx_dma_probe()
3159 INIT_LIST_HEAD(&xdev->common.channels); in xilinx_dma_probe()
3160 if (!(xdev->dma_config->dmatype == XDMA_TYPE_CDMA)) { in xilinx_dma_probe()
3161 dma_cap_set(DMA_SLAVE, xdev->common.cap_mask); in xilinx_dma_probe()
3162 dma_cap_set(DMA_PRIVATE, xdev->common.cap_mask); in xilinx_dma_probe()
3165 xdev->common.device_alloc_chan_resources = in xilinx_dma_probe()
3167 xdev->common.device_free_chan_resources = in xilinx_dma_probe()
3169 xdev->common.device_terminate_all = xilinx_dma_terminate_all; in xilinx_dma_probe()
3170 xdev->common.device_synchronize = xilinx_dma_synchronize; in xilinx_dma_probe()
3171 xdev->common.device_tx_status = xilinx_dma_tx_status; in xilinx_dma_probe()
3172 xdev->common.device_issue_pending = xilinx_dma_issue_pending; in xilinx_dma_probe()
3173 xdev->common.device_config = xilinx_dma_device_config; in xilinx_dma_probe()
3174 if (xdev->dma_config->dmatype == XDMA_TYPE_AXIDMA) { in xilinx_dma_probe()
3175 dma_cap_set(DMA_CYCLIC, xdev->common.cap_mask); in xilinx_dma_probe()
3176 xdev->common.device_prep_slave_sg = xilinx_dma_prep_slave_sg; in xilinx_dma_probe()
3177 xdev->common.device_prep_dma_cyclic = in xilinx_dma_probe()
3180 xdev->common.residue_granularity = in xilinx_dma_probe()
3182 } else if (xdev->dma_config->dmatype == XDMA_TYPE_CDMA) { in xilinx_dma_probe()
3183 dma_cap_set(DMA_MEMCPY, xdev->common.cap_mask); in xilinx_dma_probe()
3184 xdev->common.device_prep_dma_memcpy = xilinx_cdma_prep_memcpy; in xilinx_dma_probe()
3186 xdev->common.residue_granularity = in xilinx_dma_probe()
3188 } else if (xdev->dma_config->dmatype == XDMA_TYPE_AXIMCDMA) { in xilinx_dma_probe()
3189 xdev->common.device_prep_slave_sg = xilinx_mcdma_prep_slave_sg; in xilinx_dma_probe()
3191 xdev->common.device_prep_interleaved_dma = in xilinx_dma_probe()
3195 platform_set_drvdata(pdev, xdev); in xilinx_dma_probe()
3199 err = xilinx_dma_child_probe(xdev, child); in xilinx_dma_probe()
3206 if (xdev->dma_config->dmatype == XDMA_TYPE_VDMA) { in xilinx_dma_probe()
3207 for (i = 0; i < xdev->dma_config->max_channels; i++) in xilinx_dma_probe()
3208 if (xdev->chan[i]) in xilinx_dma_probe()
3209 xdev->chan[i]->num_frms = num_frames; in xilinx_dma_probe()
3213 err = dma_async_device_register(&xdev->common); in xilinx_dma_probe()
3215 dev_err(xdev->dev, "failed to register the dma device\n"); in xilinx_dma_probe()
3220 xdev); in xilinx_dma_probe()
3223 dma_async_device_unregister(&xdev->common); in xilinx_dma_probe()
3227 if (xdev->dma_config->dmatype == XDMA_TYPE_AXIDMA) in xilinx_dma_probe()
3229 else if (xdev->dma_config->dmatype == XDMA_TYPE_CDMA) in xilinx_dma_probe()
3231 else if (xdev->dma_config->dmatype == XDMA_TYPE_AXIMCDMA) in xilinx_dma_probe()
3239 for (i = 0; i < xdev->dma_config->max_channels; i++) in xilinx_dma_probe()
3240 if (xdev->chan[i]) in xilinx_dma_probe()
3241 xilinx_dma_chan_remove(xdev->chan[i]); in xilinx_dma_probe()
3243 xdma_disable_allclks(xdev); in xilinx_dma_probe()
3254 struct xilinx_dma_device *xdev = platform_get_drvdata(pdev); in xilinx_dma_remove() local
3259 dma_async_device_unregister(&xdev->common); in xilinx_dma_remove()
3261 for (i = 0; i < xdev->dma_config->max_channels; i++) in xilinx_dma_remove()
3262 if (xdev->chan[i]) in xilinx_dma_remove()
3263 xilinx_dma_chan_remove(xdev->chan[i]); in xilinx_dma_remove()
3265 xdma_disable_allclks(xdev); in xilinx_dma_remove()