Lines Matching refs:xdev
244 struct xilinx_dpdma_device *xdev; member
451 static void xilinx_dpdma_debugfs_init(struct xilinx_dpdma_device *xdev) in xilinx_dpdma_debugfs_init() argument
457 dent = debugfs_create_file("testcase", 0444, xdev->common.dbg_dev_root, in xilinx_dpdma_debugfs_init()
460 dev_err(xdev->dev, "Failed to create debugfs testcase file\n"); in xilinx_dpdma_debugfs_init()
504 static void xilinx_dpdma_sw_desc_set_dma_addrs(struct xilinx_dpdma_device *xdev, in xilinx_dpdma_sw_desc_set_dma_addrs() argument
514 if (xdev->ext_addr) in xilinx_dpdma_sw_desc_set_dma_addrs()
524 if (xdev->ext_addr) { in xilinx_dpdma_sw_desc_set_dma_addrs()
538 if (xdev->ext_addr) in xilinx_dpdma_sw_desc_set_dma_addrs()
592 struct device *dev = chan->xdev->dev; in xilinx_dpdma_chan_dump_tx_desc()
694 dev_err(chan->xdev->dev, in xilinx_dpdma_chan_prep_interleaved_dma()
710 xilinx_dpdma_sw_desc_set_dma_addrs(chan->xdev, sw_desc, sw_desc, in xilinx_dpdma_chan_prep_interleaved_dma()
746 dpdma_write(chan->xdev->reg, XILINX_DPDMA_IEN, reg); in xilinx_dpdma_chan_enable()
749 dpdma_write(chan->xdev->reg, XILINX_DPDMA_EIEN, reg); in xilinx_dpdma_chan_enable()
772 dpdma_write(chan->xdev->reg, XILINX_DPDMA_IEN, reg); in xilinx_dpdma_chan_disable()
774 dpdma_write(chan->xdev->reg, XILINX_DPDMA_EIEN, reg); in xilinx_dpdma_chan_disable()
803 struct xilinx_dpdma_device *xdev = chan->xdev; in xilinx_dpdma_chan_video_group_ready() local
808 if (xdev->chan[i]->video_group && !xdev->chan[i]->running) in xilinx_dpdma_chan_video_group_ready()
811 if (xdev->chan[i]->video_group) in xilinx_dpdma_chan_video_group_ready()
827 struct xilinx_dpdma_device *xdev = chan->xdev; in xilinx_dpdma_chan_queue_transfer() local
866 if (xdev->ext_addr) in xilinx_dpdma_chan_queue_transfer()
891 dpdma_write(xdev->reg, XILINX_DPDMA_GBL, reg); in xilinx_dpdma_chan_queue_transfer()
928 dev_dbg(chan->xdev->dev, in xilinx_dpdma_chan_notify_no_ostand()
935 dpdma_write(chan->xdev->reg, XILINX_DPDMA_IDS, in xilinx_dpdma_chan_notify_no_ostand()
961 dpdma_write(chan->xdev->reg, XILINX_DPDMA_IEN, in xilinx_dpdma_chan_wait_no_ostand()
966 dev_err(chan->xdev->dev, "chan%u: not ready to stop: %d trans\n", in xilinx_dpdma_chan_wait_no_ostand()
996 dpdma_write(chan->xdev->reg, XILINX_DPDMA_IEN, in xilinx_dpdma_chan_poll_no_ostand()
1001 dev_err(chan->xdev->dev, "chan%u: 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()
1090 dev_dbg(chan->xdev->dev, in xilinx_dpdma_chan_vsync_irq()
1144 struct xilinx_dpdma_device *xdev = chan->xdev; in xilinx_dpdma_chan_handle_err() local
1150 dev_dbg(xdev->dev, "chan%u: cur desc addr = 0x%04x%08x\n", in xilinx_dpdma_chan_handle_err()
1154 dev_dbg(xdev->dev, "chan%u: cur payload addr = 0x%04x%08x\n", in xilinx_dpdma_chan_handle_err()
1171 dev_dbg(xdev->dev, "chan%u: repeated error on desc\n", in xilinx_dpdma_chan_handle_err()
1231 chan->desc_pool = dma_pool_create(dev_name(chan->xdev->dev), in xilinx_dpdma_alloc_chan_resources()
1232 chan->xdev->dev, in xilinx_dpdma_alloc_chan_resources()
1236 dev_err(chan->xdev->dev, in xilinx_dpdma_alloc_chan_resources()
1336 struct xilinx_dpdma_device *xdev = chan->xdev; in xilinx_dpdma_terminate_all() local
1344 if (xdev->chan[i]->video_group && in xilinx_dpdma_terminate_all()
1345 xdev->chan[i]->running) { in xilinx_dpdma_terminate_all()
1346 xilinx_dpdma_chan_pause(xdev->chan[i]); in xilinx_dpdma_terminate_all()
1347 xdev->chan[i]->video_group = false; in xilinx_dpdma_terminate_all()
1428 static void xilinx_dpdma_handle_err_irq(struct xilinx_dpdma_device *xdev, in xilinx_dpdma_handle_err_irq() argument
1434 dev_dbg_ratelimited(xdev->dev, in xilinx_dpdma_handle_err_irq()
1439 dpdma_write(xdev->reg, XILINX_DPDMA_IDS, in xilinx_dpdma_handle_err_irq()
1441 dpdma_write(xdev->reg, XILINX_DPDMA_EIDS, in xilinx_dpdma_handle_err_irq()
1444 for (i = 0; i < ARRAY_SIZE(xdev->chan); i++) in xilinx_dpdma_handle_err_irq()
1445 if (err || xilinx_dpdma_chan_err(xdev->chan[i], isr, eisr)) in xilinx_dpdma_handle_err_irq()
1446 tasklet_schedule(&xdev->chan[i]->err_task); in xilinx_dpdma_handle_err_irq()
1455 static void xilinx_dpdma_enable_irq(struct xilinx_dpdma_device *xdev) in xilinx_dpdma_enable_irq() argument
1457 dpdma_write(xdev->reg, XILINX_DPDMA_IEN, XILINX_DPDMA_INTR_ALL); in xilinx_dpdma_enable_irq()
1458 dpdma_write(xdev->reg, XILINX_DPDMA_EIEN, XILINX_DPDMA_EINTR_ALL); in xilinx_dpdma_enable_irq()
1467 static void xilinx_dpdma_disable_irq(struct xilinx_dpdma_device *xdev) in xilinx_dpdma_disable_irq() argument
1469 dpdma_write(xdev->reg, XILINX_DPDMA_IDS, XILINX_DPDMA_INTR_ALL); in xilinx_dpdma_disable_irq()
1470 dpdma_write(xdev->reg, XILINX_DPDMA_EIDS, XILINX_DPDMA_EINTR_ALL); in xilinx_dpdma_disable_irq()
1484 struct xilinx_dpdma_device *xdev = chan->xdev; in xilinx_dpdma_chan_err_task() local
1492 dpdma_write(xdev->reg, XILINX_DPDMA_IEN, in xilinx_dpdma_chan_err_task()
1494 dpdma_write(xdev->reg, XILINX_DPDMA_EIEN, in xilinx_dpdma_chan_err_task()
1504 struct xilinx_dpdma_device *xdev = data; in xilinx_dpdma_irq_handler() local
1510 status = dpdma_read(xdev->reg, XILINX_DPDMA_ISR); in xilinx_dpdma_irq_handler()
1511 error = dpdma_read(xdev->reg, XILINX_DPDMA_EISR); in xilinx_dpdma_irq_handler()
1515 dpdma_write(xdev->reg, XILINX_DPDMA_ISR, status); in xilinx_dpdma_irq_handler()
1516 dpdma_write(xdev->reg, XILINX_DPDMA_EISR, error); in xilinx_dpdma_irq_handler()
1523 for (i = 0; i < ARRAY_SIZE(xdev->chan); i++) { in xilinx_dpdma_irq_handler()
1524 struct xilinx_dpdma_chan *chan = xdev->chan[i]; in xilinx_dpdma_irq_handler()
1533 for_each_set_bit(i, &mask, ARRAY_SIZE(xdev->chan)) in xilinx_dpdma_irq_handler()
1534 xilinx_dpdma_chan_done_irq(xdev->chan[i]); in xilinx_dpdma_irq_handler()
1539 for_each_set_bit(i, &mask, ARRAY_SIZE(xdev->chan)) in xilinx_dpdma_irq_handler()
1540 xilinx_dpdma_chan_notify_no_ostand(xdev->chan[i]); in xilinx_dpdma_irq_handler()
1545 xilinx_dpdma_handle_err_irq(xdev, mask, error); in xilinx_dpdma_irq_handler()
1554 static int xilinx_dpdma_chan_init(struct xilinx_dpdma_device *xdev, in xilinx_dpdma_chan_init() argument
1559 chan = devm_kzalloc(xdev->dev, sizeof(*chan), GFP_KERNEL); in xilinx_dpdma_chan_init()
1564 chan->reg = xdev->reg + XILINX_DPDMA_CH_BASE in xilinx_dpdma_chan_init()
1567 chan->xdev = xdev; in xilinx_dpdma_chan_init()
1575 vchan_init(&chan->vchan, &xdev->common); in xilinx_dpdma_chan_init()
1577 xdev->chan[chan->id] = chan; in xilinx_dpdma_chan_init()
1594 struct xilinx_dpdma_device *xdev = ofdma->of_dma_data; in of_dma_xilinx_xlate() local
1597 if (chan_id >= ARRAY_SIZE(xdev->chan)) in of_dma_xilinx_xlate()
1600 if (!xdev->chan[chan_id]) in of_dma_xilinx_xlate()
1603 return dma_get_slave_channel(&xdev->chan[chan_id]->vchan.chan); in of_dma_xilinx_xlate()
1606 static void dpdma_hw_init(struct xilinx_dpdma_device *xdev) in dpdma_hw_init() argument
1612 xilinx_dpdma_disable_irq(xdev); in dpdma_hw_init()
1615 for (i = 0; i < ARRAY_SIZE(xdev->chan); i++) { in dpdma_hw_init()
1616 reg = xdev->reg + XILINX_DPDMA_CH_BASE in dpdma_hw_init()
1622 dpdma_write(xdev->reg, XILINX_DPDMA_ISR, XILINX_DPDMA_INTR_ALL); in dpdma_hw_init()
1623 dpdma_write(xdev->reg, XILINX_DPDMA_EISR, XILINX_DPDMA_EINTR_ALL); in dpdma_hw_init()
1628 struct xilinx_dpdma_device *xdev; in xilinx_dpdma_probe() local
1633 xdev = devm_kzalloc(&pdev->dev, sizeof(*xdev), GFP_KERNEL); in xilinx_dpdma_probe()
1634 if (!xdev) in xilinx_dpdma_probe()
1637 xdev->dev = &pdev->dev; in xilinx_dpdma_probe()
1638 xdev->ext_addr = sizeof(dma_addr_t) > 4; in xilinx_dpdma_probe()
1640 INIT_LIST_HEAD(&xdev->common.channels); in xilinx_dpdma_probe()
1642 platform_set_drvdata(pdev, xdev); in xilinx_dpdma_probe()
1644 xdev->axi_clk = devm_clk_get(xdev->dev, "axi_clk"); in xilinx_dpdma_probe()
1645 if (IS_ERR(xdev->axi_clk)) in xilinx_dpdma_probe()
1646 return PTR_ERR(xdev->axi_clk); in xilinx_dpdma_probe()
1648 xdev->reg = devm_platform_ioremap_resource(pdev, 0); in xilinx_dpdma_probe()
1649 if (IS_ERR(xdev->reg)) in xilinx_dpdma_probe()
1650 return PTR_ERR(xdev->reg); in xilinx_dpdma_probe()
1652 dpdma_hw_init(xdev); in xilinx_dpdma_probe()
1654 xdev->irq = platform_get_irq(pdev, 0); in xilinx_dpdma_probe()
1655 if (xdev->irq < 0) in xilinx_dpdma_probe()
1656 return xdev->irq; in xilinx_dpdma_probe()
1658 ret = request_irq(xdev->irq, xilinx_dpdma_irq_handler, IRQF_SHARED, in xilinx_dpdma_probe()
1659 dev_name(xdev->dev), xdev); in xilinx_dpdma_probe()
1661 dev_err(xdev->dev, "failed to request IRQ\n"); in xilinx_dpdma_probe()
1665 ddev = &xdev->common; in xilinx_dpdma_probe()
1690 for (i = 0; i < ARRAY_SIZE(xdev->chan); ++i) { in xilinx_dpdma_probe()
1691 ret = xilinx_dpdma_chan_init(xdev, i); in xilinx_dpdma_probe()
1693 dev_err(xdev->dev, "failed to initialize channel %u\n", in xilinx_dpdma_probe()
1699 ret = clk_prepare_enable(xdev->axi_clk); in xilinx_dpdma_probe()
1701 dev_err(xdev->dev, "failed to enable the axi clock\n"); in xilinx_dpdma_probe()
1707 dev_err(xdev->dev, "failed to register the dma device\n"); in xilinx_dpdma_probe()
1711 ret = of_dma_controller_register(xdev->dev->of_node, in xilinx_dpdma_probe()
1714 dev_err(xdev->dev, "failed to register DMA to DT DMA helper\n"); in xilinx_dpdma_probe()
1718 xilinx_dpdma_enable_irq(xdev); in xilinx_dpdma_probe()
1720 xilinx_dpdma_debugfs_init(xdev); in xilinx_dpdma_probe()
1729 clk_disable_unprepare(xdev->axi_clk); in xilinx_dpdma_probe()
1731 for (i = 0; i < ARRAY_SIZE(xdev->chan); i++) in xilinx_dpdma_probe()
1732 xilinx_dpdma_chan_remove(xdev->chan[i]); in xilinx_dpdma_probe()
1734 free_irq(xdev->irq, xdev); in xilinx_dpdma_probe()
1741 struct xilinx_dpdma_device *xdev = platform_get_drvdata(pdev); in xilinx_dpdma_remove() local
1745 free_irq(xdev->irq, xdev); in xilinx_dpdma_remove()
1747 xilinx_dpdma_disable_irq(xdev); in xilinx_dpdma_remove()
1749 dma_async_device_unregister(&xdev->common); in xilinx_dpdma_remove()
1750 clk_disable_unprepare(xdev->axi_clk); in xilinx_dpdma_remove()
1752 for (i = 0; i < ARRAY_SIZE(xdev->chan); i++) in xilinx_dpdma_remove()
1753 xilinx_dpdma_chan_remove(xdev->chan[i]); in xilinx_dpdma_remove()