Lines Matching refs:xdev
245 struct xilinx_dpdma_device *xdev; member
452 static void xilinx_dpdma_debugfs_init(struct xilinx_dpdma_device *xdev) in xilinx_dpdma_debugfs_init() argument
458 dent = debugfs_create_file("testcase", 0444, xdev->common.dbg_dev_root, in xilinx_dpdma_debugfs_init()
461 dev_err(xdev->dev, "Failed to create debugfs testcase file\n"); in xilinx_dpdma_debugfs_init()
505 static void xilinx_dpdma_sw_desc_set_dma_addrs(struct xilinx_dpdma_device *xdev, in xilinx_dpdma_sw_desc_set_dma_addrs() argument
515 if (xdev->ext_addr) in xilinx_dpdma_sw_desc_set_dma_addrs()
525 if (xdev->ext_addr) { in xilinx_dpdma_sw_desc_set_dma_addrs()
539 if (xdev->ext_addr) in xilinx_dpdma_sw_desc_set_dma_addrs()
593 struct device *dev = chan->xdev->dev; in xilinx_dpdma_chan_dump_tx_desc()
695 dev_err(chan->xdev->dev, in xilinx_dpdma_chan_prep_interleaved_dma()
711 xilinx_dpdma_sw_desc_set_dma_addrs(chan->xdev, sw_desc, sw_desc, in xilinx_dpdma_chan_prep_interleaved_dma()
747 dpdma_write(chan->xdev->reg, XILINX_DPDMA_IEN, reg); in xilinx_dpdma_chan_enable()
750 dpdma_write(chan->xdev->reg, XILINX_DPDMA_EIEN, reg); in xilinx_dpdma_chan_enable()
773 dpdma_write(chan->xdev->reg, XILINX_DPDMA_IEN, reg); in xilinx_dpdma_chan_disable()
775 dpdma_write(chan->xdev->reg, XILINX_DPDMA_EIEN, reg); in xilinx_dpdma_chan_disable()
804 struct xilinx_dpdma_device *xdev = chan->xdev; in xilinx_dpdma_chan_video_group_ready() local
809 if (xdev->chan[i]->video_group && !xdev->chan[i]->running) in xilinx_dpdma_chan_video_group_ready()
812 if (xdev->chan[i]->video_group) in xilinx_dpdma_chan_video_group_ready()
828 struct xilinx_dpdma_device *xdev = chan->xdev; in xilinx_dpdma_chan_queue_transfer() local
867 if (xdev->ext_addr) in xilinx_dpdma_chan_queue_transfer()
892 dpdma_write(xdev->reg, XILINX_DPDMA_GBL, reg); in xilinx_dpdma_chan_queue_transfer()
929 dev_dbg(chan->xdev->dev, in xilinx_dpdma_chan_notify_no_ostand()
936 dpdma_write(chan->xdev->reg, XILINX_DPDMA_IDS, in xilinx_dpdma_chan_notify_no_ostand()
962 dpdma_write(chan->xdev->reg, XILINX_DPDMA_IEN, in xilinx_dpdma_chan_wait_no_ostand()
967 dev_err(chan->xdev->dev, "chan%u: not ready to stop: %d trans\n", in xilinx_dpdma_chan_wait_no_ostand()
997 dpdma_write(chan->xdev->reg, XILINX_DPDMA_IEN, in xilinx_dpdma_chan_poll_no_ostand()
1002 dev_err(chan->xdev->dev, "chan%u: not ready to stop: %d trans\n", in xilinx_dpdma_chan_poll_no_ostand()
1056 dev_warn(chan->xdev->dev, in xilinx_dpdma_chan_done_irq()
1091 dev_dbg(chan->xdev->dev, in xilinx_dpdma_chan_vsync_irq()
1147 struct xilinx_dpdma_device *xdev = chan->xdev; in xilinx_dpdma_chan_handle_err() local
1153 dev_dbg(xdev->dev, "chan%u: cur desc addr = 0x%04x%08x\n", in xilinx_dpdma_chan_handle_err()
1157 dev_dbg(xdev->dev, "chan%u: cur payload addr = 0x%04x%08x\n", in xilinx_dpdma_chan_handle_err()
1174 dev_dbg(xdev->dev, "chan%u: repeated error on desc\n", in xilinx_dpdma_chan_handle_err()
1234 chan->desc_pool = dma_pool_create(dev_name(chan->xdev->dev), in xilinx_dpdma_alloc_chan_resources()
1235 chan->xdev->dev, in xilinx_dpdma_alloc_chan_resources()
1239 dev_err(chan->xdev->dev, in xilinx_dpdma_alloc_chan_resources()
1341 struct xilinx_dpdma_device *xdev = chan->xdev; in xilinx_dpdma_terminate_all() local
1349 if (xdev->chan[i]->video_group && in xilinx_dpdma_terminate_all()
1350 xdev->chan[i]->running) { in xilinx_dpdma_terminate_all()
1351 xilinx_dpdma_chan_pause(xdev->chan[i]); in xilinx_dpdma_terminate_all()
1352 xdev->chan[i]->video_group = false; in xilinx_dpdma_terminate_all()
1433 static void xilinx_dpdma_handle_err_irq(struct xilinx_dpdma_device *xdev, in xilinx_dpdma_handle_err_irq() argument
1439 dev_dbg_ratelimited(xdev->dev, in xilinx_dpdma_handle_err_irq()
1444 dpdma_write(xdev->reg, XILINX_DPDMA_IDS, in xilinx_dpdma_handle_err_irq()
1446 dpdma_write(xdev->reg, XILINX_DPDMA_EIDS, in xilinx_dpdma_handle_err_irq()
1449 for (i = 0; i < ARRAY_SIZE(xdev->chan); i++) in xilinx_dpdma_handle_err_irq()
1450 if (err || xilinx_dpdma_chan_err(xdev->chan[i], isr, eisr)) in xilinx_dpdma_handle_err_irq()
1451 tasklet_schedule(&xdev->chan[i]->err_task); in xilinx_dpdma_handle_err_irq()
1460 static void xilinx_dpdma_enable_irq(struct xilinx_dpdma_device *xdev) in xilinx_dpdma_enable_irq() argument
1462 dpdma_write(xdev->reg, XILINX_DPDMA_IEN, XILINX_DPDMA_INTR_ALL); in xilinx_dpdma_enable_irq()
1463 dpdma_write(xdev->reg, XILINX_DPDMA_EIEN, XILINX_DPDMA_EINTR_ALL); in xilinx_dpdma_enable_irq()
1472 static void xilinx_dpdma_disable_irq(struct xilinx_dpdma_device *xdev) in xilinx_dpdma_disable_irq() argument
1474 dpdma_write(xdev->reg, XILINX_DPDMA_IDS, XILINX_DPDMA_INTR_ALL); in xilinx_dpdma_disable_irq()
1475 dpdma_write(xdev->reg, XILINX_DPDMA_EIDS, XILINX_DPDMA_EINTR_ALL); in xilinx_dpdma_disable_irq()
1489 struct xilinx_dpdma_device *xdev = chan->xdev; in xilinx_dpdma_chan_err_task() local
1497 dpdma_write(xdev->reg, XILINX_DPDMA_IEN, in xilinx_dpdma_chan_err_task()
1499 dpdma_write(xdev->reg, XILINX_DPDMA_EIEN, in xilinx_dpdma_chan_err_task()
1511 struct xilinx_dpdma_device *xdev = data; in xilinx_dpdma_irq_handler() local
1517 status = dpdma_read(xdev->reg, XILINX_DPDMA_ISR); in xilinx_dpdma_irq_handler()
1518 error = dpdma_read(xdev->reg, XILINX_DPDMA_EISR); in xilinx_dpdma_irq_handler()
1522 dpdma_write(xdev->reg, XILINX_DPDMA_ISR, status); in xilinx_dpdma_irq_handler()
1523 dpdma_write(xdev->reg, XILINX_DPDMA_EISR, error); in xilinx_dpdma_irq_handler()
1530 for (i = 0; i < ARRAY_SIZE(xdev->chan); i++) { in xilinx_dpdma_irq_handler()
1531 struct xilinx_dpdma_chan *chan = xdev->chan[i]; in xilinx_dpdma_irq_handler()
1540 for_each_set_bit(i, &mask, ARRAY_SIZE(xdev->chan)) in xilinx_dpdma_irq_handler()
1541 xilinx_dpdma_chan_done_irq(xdev->chan[i]); in xilinx_dpdma_irq_handler()
1546 for_each_set_bit(i, &mask, ARRAY_SIZE(xdev->chan)) in xilinx_dpdma_irq_handler()
1547 xilinx_dpdma_chan_notify_no_ostand(xdev->chan[i]); in xilinx_dpdma_irq_handler()
1552 xilinx_dpdma_handle_err_irq(xdev, mask, error); in xilinx_dpdma_irq_handler()
1561 static int xilinx_dpdma_chan_init(struct xilinx_dpdma_device *xdev, in xilinx_dpdma_chan_init() argument
1566 chan = devm_kzalloc(xdev->dev, sizeof(*chan), GFP_KERNEL); in xilinx_dpdma_chan_init()
1571 chan->reg = xdev->reg + XILINX_DPDMA_CH_BASE in xilinx_dpdma_chan_init()
1574 chan->xdev = xdev; in xilinx_dpdma_chan_init()
1582 vchan_init(&chan->vchan, &xdev->common); in xilinx_dpdma_chan_init()
1584 xdev->chan[chan->id] = chan; in xilinx_dpdma_chan_init()
1601 struct xilinx_dpdma_device *xdev = ofdma->of_dma_data; in of_dma_xilinx_xlate() local
1604 if (chan_id >= ARRAY_SIZE(xdev->chan)) in of_dma_xilinx_xlate()
1607 if (!xdev->chan[chan_id]) in of_dma_xilinx_xlate()
1610 return dma_get_slave_channel(&xdev->chan[chan_id]->vchan.chan); in of_dma_xilinx_xlate()
1613 static void dpdma_hw_init(struct xilinx_dpdma_device *xdev) in dpdma_hw_init() argument
1619 xilinx_dpdma_disable_irq(xdev); in dpdma_hw_init()
1622 for (i = 0; i < ARRAY_SIZE(xdev->chan); i++) { in dpdma_hw_init()
1623 reg = xdev->reg + XILINX_DPDMA_CH_BASE in dpdma_hw_init()
1629 dpdma_write(xdev->reg, XILINX_DPDMA_ISR, XILINX_DPDMA_INTR_ALL); in dpdma_hw_init()
1630 dpdma_write(xdev->reg, XILINX_DPDMA_EISR, XILINX_DPDMA_EINTR_ALL); in dpdma_hw_init()
1635 struct xilinx_dpdma_device *xdev; in xilinx_dpdma_probe() local
1640 xdev = devm_kzalloc(&pdev->dev, sizeof(*xdev), GFP_KERNEL); in xilinx_dpdma_probe()
1641 if (!xdev) in xilinx_dpdma_probe()
1644 xdev->dev = &pdev->dev; in xilinx_dpdma_probe()
1645 xdev->ext_addr = sizeof(dma_addr_t) > 4; in xilinx_dpdma_probe()
1647 INIT_LIST_HEAD(&xdev->common.channels); in xilinx_dpdma_probe()
1649 platform_set_drvdata(pdev, xdev); in xilinx_dpdma_probe()
1651 xdev->axi_clk = devm_clk_get(xdev->dev, "axi_clk"); in xilinx_dpdma_probe()
1652 if (IS_ERR(xdev->axi_clk)) in xilinx_dpdma_probe()
1653 return PTR_ERR(xdev->axi_clk); in xilinx_dpdma_probe()
1655 xdev->reg = devm_platform_ioremap_resource(pdev, 0); in xilinx_dpdma_probe()
1656 if (IS_ERR(xdev->reg)) in xilinx_dpdma_probe()
1657 return PTR_ERR(xdev->reg); in xilinx_dpdma_probe()
1659 dpdma_hw_init(xdev); in xilinx_dpdma_probe()
1661 xdev->irq = platform_get_irq(pdev, 0); in xilinx_dpdma_probe()
1662 if (xdev->irq < 0) in xilinx_dpdma_probe()
1663 return xdev->irq; in xilinx_dpdma_probe()
1665 ret = request_irq(xdev->irq, xilinx_dpdma_irq_handler, IRQF_SHARED, in xilinx_dpdma_probe()
1666 dev_name(xdev->dev), xdev); in xilinx_dpdma_probe()
1668 dev_err(xdev->dev, "failed to request IRQ\n"); in xilinx_dpdma_probe()
1672 ddev = &xdev->common; in xilinx_dpdma_probe()
1697 for (i = 0; i < ARRAY_SIZE(xdev->chan); ++i) { in xilinx_dpdma_probe()
1698 ret = xilinx_dpdma_chan_init(xdev, i); in xilinx_dpdma_probe()
1700 dev_err(xdev->dev, "failed to initialize channel %u\n", in xilinx_dpdma_probe()
1706 ret = clk_prepare_enable(xdev->axi_clk); in xilinx_dpdma_probe()
1708 dev_err(xdev->dev, "failed to enable the axi clock\n"); in xilinx_dpdma_probe()
1714 dev_err(xdev->dev, "failed to register the dma device\n"); in xilinx_dpdma_probe()
1718 ret = of_dma_controller_register(xdev->dev->of_node, in xilinx_dpdma_probe()
1721 dev_err(xdev->dev, "failed to register DMA to DT DMA helper\n"); in xilinx_dpdma_probe()
1725 xilinx_dpdma_enable_irq(xdev); in xilinx_dpdma_probe()
1727 xilinx_dpdma_debugfs_init(xdev); in xilinx_dpdma_probe()
1736 clk_disable_unprepare(xdev->axi_clk); in xilinx_dpdma_probe()
1738 for (i = 0; i < ARRAY_SIZE(xdev->chan); i++) in xilinx_dpdma_probe()
1739 xilinx_dpdma_chan_remove(xdev->chan[i]); in xilinx_dpdma_probe()
1741 free_irq(xdev->irq, xdev); in xilinx_dpdma_probe()
1748 struct xilinx_dpdma_device *xdev = platform_get_drvdata(pdev); in xilinx_dpdma_remove() local
1752 free_irq(xdev->irq, xdev); in xilinx_dpdma_remove()
1754 xilinx_dpdma_disable_irq(xdev); in xilinx_dpdma_remove()
1756 dma_async_device_unregister(&xdev->common); in xilinx_dpdma_remove()
1757 clk_disable_unprepare(xdev->axi_clk); in xilinx_dpdma_remove()
1759 for (i = 0; i < ARRAY_SIZE(xdev->chan); i++) in xilinx_dpdma_remove()
1760 xilinx_dpdma_chan_remove(xdev->chan[i]); in xilinx_dpdma_remove()