Lines Matching refs:xdev
243 struct xilinx_dpdma_device *xdev; member
453 static void xilinx_dpdma_debugfs_init(struct xilinx_dpdma_device *xdev) in xilinx_dpdma_debugfs_init() argument
459 dent = debugfs_create_file("testcase", 0444, xdev->common.dbg_dev_root, in xilinx_dpdma_debugfs_init()
462 dev_err(xdev->dev, "Failed to create debugfs testcase file\n"); in xilinx_dpdma_debugfs_init()
466 static void xilinx_dpdma_debugfs_init(struct xilinx_dpdma_device *xdev) in xilinx_dpdma_debugfs_init() argument
516 static void xilinx_dpdma_sw_desc_set_dma_addrs(struct xilinx_dpdma_device *xdev, in xilinx_dpdma_sw_desc_set_dma_addrs() argument
526 if (xdev->ext_addr) in xilinx_dpdma_sw_desc_set_dma_addrs()
536 if (xdev->ext_addr) { in xilinx_dpdma_sw_desc_set_dma_addrs()
550 if (xdev->ext_addr) in xilinx_dpdma_sw_desc_set_dma_addrs()
604 struct device *dev = chan->xdev->dev; in xilinx_dpdma_chan_dump_tx_desc()
706 dev_err(chan->xdev->dev, "buffer should be aligned at %d B\n", in xilinx_dpdma_chan_prep_interleaved_dma()
721 xilinx_dpdma_sw_desc_set_dma_addrs(chan->xdev, sw_desc, sw_desc, in xilinx_dpdma_chan_prep_interleaved_dma()
757 dpdma_write(chan->xdev->reg, XILINX_DPDMA_IEN, reg); in xilinx_dpdma_chan_enable()
760 dpdma_write(chan->xdev->reg, XILINX_DPDMA_EIEN, reg); in xilinx_dpdma_chan_enable()
783 dpdma_write(chan->xdev->reg, XILINX_DPDMA_IEN, reg); in xilinx_dpdma_chan_disable()
785 dpdma_write(chan->xdev->reg, XILINX_DPDMA_EIEN, reg); in xilinx_dpdma_chan_disable()
814 struct xilinx_dpdma_device *xdev = chan->xdev; in xilinx_dpdma_chan_video_group_ready() local
819 if (xdev->chan[i]->video_group && !xdev->chan[i]->running) in xilinx_dpdma_chan_video_group_ready()
822 if (xdev->chan[i]->video_group) in xilinx_dpdma_chan_video_group_ready()
838 struct xilinx_dpdma_device *xdev = chan->xdev; in xilinx_dpdma_chan_queue_transfer() local
877 if (xdev->ext_addr) in xilinx_dpdma_chan_queue_transfer()
902 dpdma_write(xdev->reg, XILINX_DPDMA_GBL, reg); in xilinx_dpdma_chan_queue_transfer()
939 dev_dbg(chan->xdev->dev, "%d outstanding transactions\n", cnt); in xilinx_dpdma_chan_notify_no_ostand()
944 dpdma_write(chan->xdev->reg, XILINX_DPDMA_IDS, in xilinx_dpdma_chan_notify_no_ostand()
970 dpdma_write(chan->xdev->reg, XILINX_DPDMA_IEN, in xilinx_dpdma_chan_wait_no_ostand()
975 dev_err(chan->xdev->dev, "not ready to stop: %d trans\n", in xilinx_dpdma_chan_wait_no_ostand()
1005 dpdma_write(chan->xdev->reg, XILINX_DPDMA_IEN, in xilinx_dpdma_chan_poll_no_ostand()
1010 dev_err(chan->xdev->dev, "not ready to stop: %d trans\n", in xilinx_dpdma_chan_poll_no_ostand()
1064 dev_warn(chan->xdev->dev, in xilinx_dpdma_chan_done_irq()
1148 struct xilinx_dpdma_device *xdev = chan->xdev; in xilinx_dpdma_chan_handle_err() local
1154 dev_dbg(xdev->dev, "cur desc addr = 0x%04x%08x\n", in xilinx_dpdma_chan_handle_err()
1157 dev_dbg(xdev->dev, "cur payload addr = 0x%04x%08x\n", in xilinx_dpdma_chan_handle_err()
1173 dev_dbg(xdev->dev, "repeated error on desc\n"); in xilinx_dpdma_chan_handle_err()
1232 chan->desc_pool = dma_pool_create(dev_name(chan->xdev->dev), in xilinx_dpdma_alloc_chan_resources()
1233 chan->xdev->dev, in xilinx_dpdma_alloc_chan_resources()
1237 dev_err(chan->xdev->dev, in xilinx_dpdma_alloc_chan_resources()
1332 struct xilinx_dpdma_device *xdev = chan->xdev; in xilinx_dpdma_terminate_all() local
1340 if (xdev->chan[i]->video_group && in xilinx_dpdma_terminate_all()
1341 xdev->chan[i]->running) { in xilinx_dpdma_terminate_all()
1342 xilinx_dpdma_chan_pause(xdev->chan[i]); in xilinx_dpdma_terminate_all()
1343 xdev->chan[i]->video_group = false; in xilinx_dpdma_terminate_all()
1424 static void xilinx_dpdma_handle_err_irq(struct xilinx_dpdma_device *xdev, in xilinx_dpdma_handle_err_irq() argument
1430 dev_dbg_ratelimited(xdev->dev, in xilinx_dpdma_handle_err_irq()
1435 dpdma_write(xdev->reg, XILINX_DPDMA_IDS, in xilinx_dpdma_handle_err_irq()
1437 dpdma_write(xdev->reg, XILINX_DPDMA_EIDS, in xilinx_dpdma_handle_err_irq()
1440 for (i = 0; i < ARRAY_SIZE(xdev->chan); i++) in xilinx_dpdma_handle_err_irq()
1441 if (err || xilinx_dpdma_chan_err(xdev->chan[i], isr, eisr)) in xilinx_dpdma_handle_err_irq()
1442 tasklet_schedule(&xdev->chan[i]->err_task); in xilinx_dpdma_handle_err_irq()
1451 static void xilinx_dpdma_enable_irq(struct xilinx_dpdma_device *xdev) in xilinx_dpdma_enable_irq() argument
1453 dpdma_write(xdev->reg, XILINX_DPDMA_IEN, XILINX_DPDMA_INTR_ALL); in xilinx_dpdma_enable_irq()
1454 dpdma_write(xdev->reg, XILINX_DPDMA_EIEN, XILINX_DPDMA_EINTR_ALL); in xilinx_dpdma_enable_irq()
1463 static void xilinx_dpdma_disable_irq(struct xilinx_dpdma_device *xdev) in xilinx_dpdma_disable_irq() argument
1465 dpdma_write(xdev->reg, XILINX_DPDMA_IDS, XILINX_DPDMA_INTR_ALL); in xilinx_dpdma_disable_irq()
1466 dpdma_write(xdev->reg, XILINX_DPDMA_EIDS, XILINX_DPDMA_EINTR_ALL); in xilinx_dpdma_disable_irq()
1480 struct xilinx_dpdma_device *xdev = chan->xdev; in xilinx_dpdma_chan_err_task() local
1488 dpdma_write(xdev->reg, XILINX_DPDMA_IEN, in xilinx_dpdma_chan_err_task()
1490 dpdma_write(xdev->reg, XILINX_DPDMA_EIEN, in xilinx_dpdma_chan_err_task()
1500 struct xilinx_dpdma_device *xdev = data; in xilinx_dpdma_irq_handler() local
1506 status = dpdma_read(xdev->reg, XILINX_DPDMA_ISR); in xilinx_dpdma_irq_handler()
1507 error = dpdma_read(xdev->reg, XILINX_DPDMA_EISR); in xilinx_dpdma_irq_handler()
1511 dpdma_write(xdev->reg, XILINX_DPDMA_ISR, status); in xilinx_dpdma_irq_handler()
1512 dpdma_write(xdev->reg, XILINX_DPDMA_EISR, error); in xilinx_dpdma_irq_handler()
1519 for (i = 0; i < ARRAY_SIZE(xdev->chan); i++) { in xilinx_dpdma_irq_handler()
1520 struct xilinx_dpdma_chan *chan = xdev->chan[i]; in xilinx_dpdma_irq_handler()
1529 for_each_set_bit(i, &mask, ARRAY_SIZE(xdev->chan)) in xilinx_dpdma_irq_handler()
1530 xilinx_dpdma_chan_done_irq(xdev->chan[i]); in xilinx_dpdma_irq_handler()
1535 for_each_set_bit(i, &mask, ARRAY_SIZE(xdev->chan)) in xilinx_dpdma_irq_handler()
1536 xilinx_dpdma_chan_notify_no_ostand(xdev->chan[i]); in xilinx_dpdma_irq_handler()
1541 xilinx_dpdma_handle_err_irq(xdev, mask, error); in xilinx_dpdma_irq_handler()
1550 static int xilinx_dpdma_chan_init(struct xilinx_dpdma_device *xdev, in xilinx_dpdma_chan_init() argument
1555 chan = devm_kzalloc(xdev->dev, sizeof(*chan), GFP_KERNEL); in xilinx_dpdma_chan_init()
1560 chan->reg = xdev->reg + XILINX_DPDMA_CH_BASE in xilinx_dpdma_chan_init()
1563 chan->xdev = xdev; in xilinx_dpdma_chan_init()
1571 vchan_init(&chan->vchan, &xdev->common); in xilinx_dpdma_chan_init()
1573 xdev->chan[chan->id] = chan; in xilinx_dpdma_chan_init()
1590 struct xilinx_dpdma_device *xdev = ofdma->of_dma_data; in of_dma_xilinx_xlate() local
1593 if (chan_id >= ARRAY_SIZE(xdev->chan)) in of_dma_xilinx_xlate()
1596 if (!xdev->chan[chan_id]) in of_dma_xilinx_xlate()
1599 return dma_get_slave_channel(&xdev->chan[chan_id]->vchan.chan); in of_dma_xilinx_xlate()
1602 static void dpdma_hw_init(struct xilinx_dpdma_device *xdev) in dpdma_hw_init() argument
1608 xilinx_dpdma_disable_irq(xdev); in dpdma_hw_init()
1611 for (i = 0; i < ARRAY_SIZE(xdev->chan); i++) { in dpdma_hw_init()
1612 reg = xdev->reg + XILINX_DPDMA_CH_BASE in dpdma_hw_init()
1618 dpdma_write(xdev->reg, XILINX_DPDMA_ISR, XILINX_DPDMA_INTR_ALL); in dpdma_hw_init()
1619 dpdma_write(xdev->reg, XILINX_DPDMA_EISR, XILINX_DPDMA_EINTR_ALL); in dpdma_hw_init()
1624 struct xilinx_dpdma_device *xdev; in xilinx_dpdma_probe() local
1629 xdev = devm_kzalloc(&pdev->dev, sizeof(*xdev), GFP_KERNEL); in xilinx_dpdma_probe()
1630 if (!xdev) in xilinx_dpdma_probe()
1633 xdev->dev = &pdev->dev; in xilinx_dpdma_probe()
1634 xdev->ext_addr = sizeof(dma_addr_t) > 4; in xilinx_dpdma_probe()
1636 INIT_LIST_HEAD(&xdev->common.channels); in xilinx_dpdma_probe()
1638 platform_set_drvdata(pdev, xdev); in xilinx_dpdma_probe()
1640 xdev->axi_clk = devm_clk_get(xdev->dev, "axi_clk"); in xilinx_dpdma_probe()
1641 if (IS_ERR(xdev->axi_clk)) in xilinx_dpdma_probe()
1642 return PTR_ERR(xdev->axi_clk); in xilinx_dpdma_probe()
1644 xdev->reg = devm_platform_ioremap_resource(pdev, 0); in xilinx_dpdma_probe()
1645 if (IS_ERR(xdev->reg)) in xilinx_dpdma_probe()
1646 return PTR_ERR(xdev->reg); in xilinx_dpdma_probe()
1648 dpdma_hw_init(xdev); in xilinx_dpdma_probe()
1650 xdev->irq = platform_get_irq(pdev, 0); in xilinx_dpdma_probe()
1651 if (xdev->irq < 0) { in xilinx_dpdma_probe()
1652 dev_err(xdev->dev, "failed to get platform irq\n"); in xilinx_dpdma_probe()
1653 return xdev->irq; in xilinx_dpdma_probe()
1656 ret = request_irq(xdev->irq, xilinx_dpdma_irq_handler, IRQF_SHARED, in xilinx_dpdma_probe()
1657 dev_name(xdev->dev), xdev); in xilinx_dpdma_probe()
1659 dev_err(xdev->dev, "failed to request IRQ\n"); in xilinx_dpdma_probe()
1663 ddev = &xdev->common; in xilinx_dpdma_probe()
1688 for (i = 0; i < ARRAY_SIZE(xdev->chan); ++i) { in xilinx_dpdma_probe()
1689 ret = xilinx_dpdma_chan_init(xdev, i); in xilinx_dpdma_probe()
1691 dev_err(xdev->dev, "failed to initialize channel %u\n", in xilinx_dpdma_probe()
1697 ret = clk_prepare_enable(xdev->axi_clk); in xilinx_dpdma_probe()
1699 dev_err(xdev->dev, "failed to enable the axi clock\n"); in xilinx_dpdma_probe()
1705 dev_err(xdev->dev, "failed to register the dma device\n"); in xilinx_dpdma_probe()
1709 ret = of_dma_controller_register(xdev->dev->of_node, in xilinx_dpdma_probe()
1712 dev_err(xdev->dev, "failed to register DMA to DT DMA helper\n"); in xilinx_dpdma_probe()
1716 xilinx_dpdma_enable_irq(xdev); in xilinx_dpdma_probe()
1718 xilinx_dpdma_debugfs_init(xdev); in xilinx_dpdma_probe()
1727 clk_disable_unprepare(xdev->axi_clk); in xilinx_dpdma_probe()
1729 for (i = 0; i < ARRAY_SIZE(xdev->chan); i++) in xilinx_dpdma_probe()
1730 xilinx_dpdma_chan_remove(xdev->chan[i]); in xilinx_dpdma_probe()
1732 free_irq(xdev->irq, xdev); in xilinx_dpdma_probe()
1739 struct xilinx_dpdma_device *xdev = platform_get_drvdata(pdev); in xilinx_dpdma_remove() local
1743 free_irq(xdev->irq, xdev); in xilinx_dpdma_remove()
1745 xilinx_dpdma_disable_irq(xdev); in xilinx_dpdma_remove()
1747 dma_async_device_unregister(&xdev->common); in xilinx_dpdma_remove()
1748 clk_disable_unprepare(xdev->axi_clk); in xilinx_dpdma_remove()
1750 for (i = 0; i < ARRAY_SIZE(xdev->chan); i++) in xilinx_dpdma_remove()
1751 xilinx_dpdma_chan_remove(xdev->chan[i]); in xilinx_dpdma_remove()