Lines Matching refs:xdev
242 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()
465 static void xilinx_dpdma_debugfs_init(struct xilinx_dpdma_device *xdev) in xilinx_dpdma_debugfs_init() argument
515 static void xilinx_dpdma_sw_desc_set_dma_addrs(struct xilinx_dpdma_device *xdev, in xilinx_dpdma_sw_desc_set_dma_addrs() argument
525 if (xdev->ext_addr) in xilinx_dpdma_sw_desc_set_dma_addrs()
535 if (xdev->ext_addr) { in xilinx_dpdma_sw_desc_set_dma_addrs()
549 if (xdev->ext_addr) in xilinx_dpdma_sw_desc_set_dma_addrs()
603 struct device *dev = chan->xdev->dev; in xilinx_dpdma_chan_dump_tx_desc()
705 dev_err(chan->xdev->dev, "buffer should be aligned at %d B\n", in xilinx_dpdma_chan_prep_interleaved_dma()
720 xilinx_dpdma_sw_desc_set_dma_addrs(chan->xdev, sw_desc, sw_desc, in xilinx_dpdma_chan_prep_interleaved_dma()
756 dpdma_write(chan->xdev->reg, XILINX_DPDMA_IEN, reg); in xilinx_dpdma_chan_enable()
759 dpdma_write(chan->xdev->reg, XILINX_DPDMA_EIEN, reg); in xilinx_dpdma_chan_enable()
782 dpdma_write(chan->xdev->reg, XILINX_DPDMA_IEN, reg); in xilinx_dpdma_chan_disable()
784 dpdma_write(chan->xdev->reg, XILINX_DPDMA_EIEN, reg); in xilinx_dpdma_chan_disable()
813 struct xilinx_dpdma_device *xdev = chan->xdev; in xilinx_dpdma_chan_video_group_ready() local
818 if (xdev->chan[i]->video_group && !xdev->chan[i]->running) in xilinx_dpdma_chan_video_group_ready()
821 if (xdev->chan[i]->video_group) in xilinx_dpdma_chan_video_group_ready()
837 struct xilinx_dpdma_device *xdev = chan->xdev; in xilinx_dpdma_chan_queue_transfer() local
882 if (xdev->ext_addr) in xilinx_dpdma_chan_queue_transfer()
894 dpdma_write(xdev->reg, XILINX_DPDMA_GBL, reg); in xilinx_dpdma_chan_queue_transfer()
931 dev_dbg(chan->xdev->dev, "%d outstanding transactions\n", cnt); 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, "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, "not ready to stop: %d trans\n", in xilinx_dpdma_chan_poll_no_ostand()
1055 dev_warn(chan->xdev->dev, in xilinx_dpdma_chan_done_irq()
1138 struct xilinx_dpdma_device *xdev = chan->xdev; in xilinx_dpdma_chan_handle_err() local
1144 dev_dbg(xdev->dev, "cur desc addr = 0x%04x%08x\n", in xilinx_dpdma_chan_handle_err()
1147 dev_dbg(xdev->dev, "cur payload addr = 0x%04x%08x\n", in xilinx_dpdma_chan_handle_err()
1163 dev_dbg(xdev->dev, "repeated error on desc\n"); in xilinx_dpdma_chan_handle_err()
1222 chan->desc_pool = dma_pool_create(dev_name(chan->xdev->dev), in xilinx_dpdma_alloc_chan_resources()
1223 chan->xdev->dev, in xilinx_dpdma_alloc_chan_resources()
1227 dev_err(chan->xdev->dev, in xilinx_dpdma_alloc_chan_resources()
1322 struct xilinx_dpdma_device *xdev = chan->xdev; in xilinx_dpdma_terminate_all() local
1330 if (xdev->chan[i]->video_group && in xilinx_dpdma_terminate_all()
1331 xdev->chan[i]->running) { in xilinx_dpdma_terminate_all()
1332 xilinx_dpdma_chan_pause(xdev->chan[i]); in xilinx_dpdma_terminate_all()
1333 xdev->chan[i]->video_group = false; in xilinx_dpdma_terminate_all()
1414 static void xilinx_dpdma_handle_err_irq(struct xilinx_dpdma_device *xdev, in xilinx_dpdma_handle_err_irq() argument
1420 dev_dbg_ratelimited(xdev->dev, in xilinx_dpdma_handle_err_irq()
1425 dpdma_write(xdev->reg, XILINX_DPDMA_IDS, in xilinx_dpdma_handle_err_irq()
1427 dpdma_write(xdev->reg, XILINX_DPDMA_EIDS, in xilinx_dpdma_handle_err_irq()
1430 for (i = 0; i < ARRAY_SIZE(xdev->chan); i++) in xilinx_dpdma_handle_err_irq()
1431 if (err || xilinx_dpdma_chan_err(xdev->chan[i], isr, eisr)) in xilinx_dpdma_handle_err_irq()
1432 tasklet_schedule(&xdev->chan[i]->err_task); in xilinx_dpdma_handle_err_irq()
1441 static void xilinx_dpdma_enable_irq(struct xilinx_dpdma_device *xdev) in xilinx_dpdma_enable_irq() argument
1443 dpdma_write(xdev->reg, XILINX_DPDMA_IEN, XILINX_DPDMA_INTR_ALL); in xilinx_dpdma_enable_irq()
1444 dpdma_write(xdev->reg, XILINX_DPDMA_EIEN, XILINX_DPDMA_EINTR_ALL); in xilinx_dpdma_enable_irq()
1453 static void xilinx_dpdma_disable_irq(struct xilinx_dpdma_device *xdev) in xilinx_dpdma_disable_irq() argument
1455 dpdma_write(xdev->reg, XILINX_DPDMA_IDS, XILINX_DPDMA_INTR_ERR_ALL); in xilinx_dpdma_disable_irq()
1456 dpdma_write(xdev->reg, XILINX_DPDMA_EIDS, XILINX_DPDMA_EINTR_ALL); in xilinx_dpdma_disable_irq()
1470 struct xilinx_dpdma_device *xdev = chan->xdev; in xilinx_dpdma_chan_err_task() local
1478 dpdma_write(xdev->reg, XILINX_DPDMA_IEN, in xilinx_dpdma_chan_err_task()
1480 dpdma_write(xdev->reg, XILINX_DPDMA_EIEN, in xilinx_dpdma_chan_err_task()
1490 struct xilinx_dpdma_device *xdev = data; in xilinx_dpdma_irq_handler() local
1496 status = dpdma_read(xdev->reg, XILINX_DPDMA_ISR); in xilinx_dpdma_irq_handler()
1497 error = dpdma_read(xdev->reg, XILINX_DPDMA_EISR); in xilinx_dpdma_irq_handler()
1501 dpdma_write(xdev->reg, XILINX_DPDMA_ISR, status); in xilinx_dpdma_irq_handler()
1502 dpdma_write(xdev->reg, XILINX_DPDMA_EISR, error); in xilinx_dpdma_irq_handler()
1509 for (i = 0; i < ARRAY_SIZE(xdev->chan); i++) { in xilinx_dpdma_irq_handler()
1510 struct xilinx_dpdma_chan *chan = xdev->chan[i]; in xilinx_dpdma_irq_handler()
1519 for_each_set_bit(i, &mask, ARRAY_SIZE(xdev->chan)) in xilinx_dpdma_irq_handler()
1520 xilinx_dpdma_chan_done_irq(xdev->chan[i]); in xilinx_dpdma_irq_handler()
1525 for_each_set_bit(i, &mask, ARRAY_SIZE(xdev->chan)) in xilinx_dpdma_irq_handler()
1526 xilinx_dpdma_chan_notify_no_ostand(xdev->chan[i]); in xilinx_dpdma_irq_handler()
1531 xilinx_dpdma_handle_err_irq(xdev, mask, error); in xilinx_dpdma_irq_handler()
1540 static int xilinx_dpdma_chan_init(struct xilinx_dpdma_device *xdev, in xilinx_dpdma_chan_init() argument
1545 chan = devm_kzalloc(xdev->dev, sizeof(*chan), GFP_KERNEL); in xilinx_dpdma_chan_init()
1550 chan->reg = xdev->reg + XILINX_DPDMA_CH_BASE in xilinx_dpdma_chan_init()
1553 chan->xdev = xdev; in xilinx_dpdma_chan_init()
1561 vchan_init(&chan->vchan, &xdev->common); in xilinx_dpdma_chan_init()
1563 xdev->chan[chan->id] = chan; in xilinx_dpdma_chan_init()
1580 struct xilinx_dpdma_device *xdev = ofdma->of_dma_data; in of_dma_xilinx_xlate() local
1583 if (chan_id >= ARRAY_SIZE(xdev->chan)) in of_dma_xilinx_xlate()
1586 if (!xdev->chan[chan_id]) in of_dma_xilinx_xlate()
1589 return dma_get_slave_channel(&xdev->chan[chan_id]->vchan.chan); in of_dma_xilinx_xlate()
1594 struct xilinx_dpdma_device *xdev; in xilinx_dpdma_probe() local
1599 xdev = devm_kzalloc(&pdev->dev, sizeof(*xdev), GFP_KERNEL); in xilinx_dpdma_probe()
1600 if (!xdev) in xilinx_dpdma_probe()
1603 xdev->dev = &pdev->dev; in xilinx_dpdma_probe()
1604 xdev->ext_addr = sizeof(dma_addr_t) > 4; in xilinx_dpdma_probe()
1606 INIT_LIST_HEAD(&xdev->common.channels); in xilinx_dpdma_probe()
1608 platform_set_drvdata(pdev, xdev); in xilinx_dpdma_probe()
1610 xdev->axi_clk = devm_clk_get(xdev->dev, "axi_clk"); in xilinx_dpdma_probe()
1611 if (IS_ERR(xdev->axi_clk)) in xilinx_dpdma_probe()
1612 return PTR_ERR(xdev->axi_clk); in xilinx_dpdma_probe()
1614 xdev->reg = devm_platform_ioremap_resource(pdev, 0); in xilinx_dpdma_probe()
1615 if (IS_ERR(xdev->reg)) in xilinx_dpdma_probe()
1616 return PTR_ERR(xdev->reg); in xilinx_dpdma_probe()
1618 xdev->irq = platform_get_irq(pdev, 0); in xilinx_dpdma_probe()
1619 if (xdev->irq < 0) { in xilinx_dpdma_probe()
1620 dev_err(xdev->dev, "failed to get platform irq\n"); in xilinx_dpdma_probe()
1621 return xdev->irq; in xilinx_dpdma_probe()
1624 ret = request_irq(xdev->irq, xilinx_dpdma_irq_handler, IRQF_SHARED, in xilinx_dpdma_probe()
1625 dev_name(xdev->dev), xdev); in xilinx_dpdma_probe()
1627 dev_err(xdev->dev, "failed to request IRQ\n"); in xilinx_dpdma_probe()
1631 ddev = &xdev->common; in xilinx_dpdma_probe()
1656 for (i = 0; i < ARRAY_SIZE(xdev->chan); ++i) { in xilinx_dpdma_probe()
1657 ret = xilinx_dpdma_chan_init(xdev, i); in xilinx_dpdma_probe()
1659 dev_err(xdev->dev, "failed to initialize channel %u\n", in xilinx_dpdma_probe()
1665 ret = clk_prepare_enable(xdev->axi_clk); in xilinx_dpdma_probe()
1667 dev_err(xdev->dev, "failed to enable the axi clock\n"); in xilinx_dpdma_probe()
1673 dev_err(xdev->dev, "failed to register the dma device\n"); in xilinx_dpdma_probe()
1677 ret = of_dma_controller_register(xdev->dev->of_node, in xilinx_dpdma_probe()
1680 dev_err(xdev->dev, "failed to register DMA to DT DMA helper\n"); in xilinx_dpdma_probe()
1684 xilinx_dpdma_enable_irq(xdev); in xilinx_dpdma_probe()
1686 xilinx_dpdma_debugfs_init(xdev); in xilinx_dpdma_probe()
1695 clk_disable_unprepare(xdev->axi_clk); in xilinx_dpdma_probe()
1697 for (i = 0; i < ARRAY_SIZE(xdev->chan); i++) in xilinx_dpdma_probe()
1698 xilinx_dpdma_chan_remove(xdev->chan[i]); in xilinx_dpdma_probe()
1700 free_irq(xdev->irq, xdev); in xilinx_dpdma_probe()
1707 struct xilinx_dpdma_device *xdev = platform_get_drvdata(pdev); in xilinx_dpdma_remove() local
1711 free_irq(xdev->irq, xdev); in xilinx_dpdma_remove()
1713 xilinx_dpdma_disable_irq(xdev); in xilinx_dpdma_remove()
1715 dma_async_device_unregister(&xdev->common); in xilinx_dpdma_remove()
1716 clk_disable_unprepare(xdev->axi_clk); in xilinx_dpdma_remove()
1718 for (i = 0; i < ARRAY_SIZE(xdev->chan); i++) in xilinx_dpdma_remove()
1719 xilinx_dpdma_chan_remove(xdev->chan[i]); in xilinx_dpdma_remove()