Lines Matching refs:atxdmac
254 static inline void __iomem *at_xdmac_chan_reg_base(struct at_xdmac *atxdmac, unsigned int chan_nb) in at_xdmac_chan_reg_base() argument
256 return atxdmac->regs + (AT_XDMAC_CHAN_REG_BASE + chan_nb * 0x40); in at_xdmac_chan_reg_base()
259 #define at_xdmac_read(atxdmac, reg) readl_relaxed((atxdmac)->regs + (reg)) argument
260 #define at_xdmac_write(atxdmac, reg, value) \ argument
261 writel_relaxed((value), (atxdmac)->regs + (reg))
323 static void at_xdmac_off(struct at_xdmac *atxdmac) in at_xdmac_off() argument
325 at_xdmac_write(atxdmac, AT_XDMAC_GD, -1L); in at_xdmac_off()
328 while (at_xdmac_read(atxdmac, AT_XDMAC_GS)) in at_xdmac_off()
331 at_xdmac_write(atxdmac, AT_XDMAC_GID, -1L); in at_xdmac_off()
338 struct at_xdmac *atxdmac = to_at_xdmac(atchan->chan.device); in at_xdmac_start_xfer() local
396 at_xdmac_write(atxdmac, AT_XDMAC_GIE, atchan->mask); in at_xdmac_start_xfer()
400 at_xdmac_write(atxdmac, AT_XDMAC_GE, atchan->mask); in at_xdmac_start_xfer()
437 struct at_xdmac *atxdmac = to_at_xdmac(chan->device); in at_xdmac_alloc_desc() local
440 desc = dma_pool_alloc(atxdmac->at_xdmac_desc_pool, gfp_flags, &phys); in at_xdmac_alloc_desc()
472 struct at_xdmac *atxdmac = of_dma->of_dma_data; in at_xdmac_xlate() local
475 struct device *dev = atxdmac->dma.dev; in at_xdmac_xlate()
482 chan = dma_get_any_slave_channel(&atxdmac->dma); in at_xdmac_xlate()
925 struct at_xdmac *atxdmac = to_at_xdmac(atchan->chan.device); in at_xdmac_tx_status() local
962 at_xdmac_write(atxdmac, AT_XDMAC_GSWF, atchan->mask); in at_xdmac_tx_status()
1129 struct at_xdmac *atxdmac = (struct at_xdmac *)dev_id; in at_xdmac_interrupt() local
1136 imr = at_xdmac_read(atxdmac, AT_XDMAC_GIM); in at_xdmac_interrupt()
1137 status = at_xdmac_read(atxdmac, AT_XDMAC_GIS); in at_xdmac_interrupt()
1140 dev_vdbg(atxdmac->dma.dev, in at_xdmac_interrupt()
1148 for (i = 0; i < atxdmac->dma.chancnt; i++) { in at_xdmac_interrupt()
1152 atchan = &atxdmac->chan[i]; in at_xdmac_interrupt()
1156 dev_vdbg(atxdmac->dma.dev, in at_xdmac_interrupt()
1170 at_xdmac_write(atxdmac, AT_XDMAC_GD, atchan->mask); in at_xdmac_interrupt()
1212 struct at_xdmac *atxdmac = to_at_xdmac(atchan->chan.device); in at_xdmac_device_pause() local
1221 at_xdmac_write(atxdmac, AT_XDMAC_GRWS, atchan->mask); in at_xdmac_device_pause()
1233 struct at_xdmac *atxdmac = to_at_xdmac(atchan->chan.device); in at_xdmac_device_resume() local
1244 at_xdmac_write(atxdmac, AT_XDMAC_GRWR, atchan->mask); in at_xdmac_device_resume()
1255 struct at_xdmac *atxdmac = to_at_xdmac(atchan->chan.device); in at_xdmac_device_terminate_all() local
1261 at_xdmac_write(atxdmac, AT_XDMAC_GD, atchan->mask); in at_xdmac_device_terminate_all()
1262 while (at_xdmac_read(atxdmac, AT_XDMAC_GS) & atchan->mask) in at_xdmac_device_terminate_all()
1321 struct at_xdmac *atxdmac = to_at_xdmac(chan->device); in at_xdmac_free_chan_resources() local
1327 dma_pool_free(atxdmac->at_xdmac_desc_pool, desc, desc->tx_dma_desc.phys); in at_xdmac_free_chan_resources()
1337 struct at_xdmac *atxdmac = platform_get_drvdata(pdev); in atmel_xdmac_prepare() local
1340 list_for_each_entry_safe(chan, _chan, &atxdmac->dma.channels, device_node) { in atmel_xdmac_prepare()
1357 struct at_xdmac *atxdmac = platform_get_drvdata(pdev); in atmel_xdmac_suspend() local
1360 list_for_each_entry_safe(chan, _chan, &atxdmac->dma.channels, device_node) { in atmel_xdmac_suspend()
1372 atxdmac->save_gim = at_xdmac_read(atxdmac, AT_XDMAC_GIM); in atmel_xdmac_suspend()
1374 at_xdmac_off(atxdmac); in atmel_xdmac_suspend()
1375 clk_disable_unprepare(atxdmac->clk); in atmel_xdmac_suspend()
1382 struct at_xdmac *atxdmac = platform_get_drvdata(pdev); in atmel_xdmac_resume() local
1387 clk_prepare_enable(atxdmac->clk); in atmel_xdmac_resume()
1390 for (i = 0; i < atxdmac->dma.chancnt; i++) { in atmel_xdmac_resume()
1391 atchan = &atxdmac->chan[i]; in atmel_xdmac_resume()
1396 at_xdmac_write(atxdmac, AT_XDMAC_GIE, atxdmac->save_gim); in atmel_xdmac_resume()
1397 at_xdmac_write(atxdmac, AT_XDMAC_GE, atxdmac->save_gs); in atmel_xdmac_resume()
1398 list_for_each_entry_safe(chan, _chan, &atxdmac->dma.channels, device_node) { in atmel_xdmac_resume()
1408 at_xdmac_write(atxdmac, AT_XDMAC_GE, atchan->mask); in atmel_xdmac_resume()
1418 struct at_xdmac *atxdmac; in at_xdmac_probe() local
1448 size = sizeof(*atxdmac); in at_xdmac_probe()
1450 atxdmac = devm_kzalloc(&pdev->dev, size, GFP_KERNEL); in at_xdmac_probe()
1451 if (!atxdmac) { in at_xdmac_probe()
1456 atxdmac->regs = base; in at_xdmac_probe()
1457 atxdmac->irq = irq; in at_xdmac_probe()
1459 atxdmac->clk = devm_clk_get(&pdev->dev, "dma_clk"); in at_xdmac_probe()
1460 if (IS_ERR(atxdmac->clk)) { in at_xdmac_probe()
1462 return PTR_ERR(atxdmac->clk); in at_xdmac_probe()
1466 ret = request_irq(atxdmac->irq, at_xdmac_interrupt, 0, "at_xdmac", atxdmac); in at_xdmac_probe()
1472 ret = clk_prepare_enable(atxdmac->clk); in at_xdmac_probe()
1478 atxdmac->at_xdmac_desc_pool = in at_xdmac_probe()
1481 if (!atxdmac->at_xdmac_desc_pool) { in at_xdmac_probe()
1487 dma_cap_set(DMA_CYCLIC, atxdmac->dma.cap_mask); in at_xdmac_probe()
1488 dma_cap_set(DMA_MEMCPY, atxdmac->dma.cap_mask); in at_xdmac_probe()
1489 dma_cap_set(DMA_SLAVE, atxdmac->dma.cap_mask); in at_xdmac_probe()
1494 dma_cap_set(DMA_PRIVATE, atxdmac->dma.cap_mask); in at_xdmac_probe()
1495 atxdmac->dma.dev = &pdev->dev; in at_xdmac_probe()
1496 atxdmac->dma.device_alloc_chan_resources = at_xdmac_alloc_chan_resources; in at_xdmac_probe()
1497 atxdmac->dma.device_free_chan_resources = at_xdmac_free_chan_resources; in at_xdmac_probe()
1498 atxdmac->dma.device_tx_status = at_xdmac_tx_status; in at_xdmac_probe()
1499 atxdmac->dma.device_issue_pending = at_xdmac_issue_pending; in at_xdmac_probe()
1500 atxdmac->dma.device_prep_dma_cyclic = at_xdmac_prep_dma_cyclic; in at_xdmac_probe()
1501 atxdmac->dma.device_prep_dma_memcpy = at_xdmac_prep_dma_memcpy; in at_xdmac_probe()
1502 atxdmac->dma.device_prep_slave_sg = at_xdmac_prep_slave_sg; in at_xdmac_probe()
1503 atxdmac->dma.device_config = at_xdmac_device_config; in at_xdmac_probe()
1504 atxdmac->dma.device_pause = at_xdmac_device_pause; in at_xdmac_probe()
1505 atxdmac->dma.device_resume = at_xdmac_device_resume; in at_xdmac_probe()
1506 atxdmac->dma.device_terminate_all = at_xdmac_device_terminate_all; in at_xdmac_probe()
1507 atxdmac->dma.src_addr_widths = AT_XDMAC_DMA_BUSWIDTHS; in at_xdmac_probe()
1508 atxdmac->dma.dst_addr_widths = AT_XDMAC_DMA_BUSWIDTHS; in at_xdmac_probe()
1509 atxdmac->dma.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV); in at_xdmac_probe()
1510 atxdmac->dma.residue_granularity = DMA_RESIDUE_GRANULARITY_BURST; in at_xdmac_probe()
1513 at_xdmac_off(atxdmac); in at_xdmac_probe()
1516 INIT_LIST_HEAD(&atxdmac->dma.channels); in at_xdmac_probe()
1518 struct at_xdmac_chan *atchan = &atxdmac->chan[i]; in at_xdmac_probe()
1520 atchan->chan.device = &atxdmac->dma; in at_xdmac_probe()
1522 &atxdmac->dma.channels); in at_xdmac_probe()
1524 atchan->ch_regs = at_xdmac_chan_reg_base(atxdmac, i); in at_xdmac_probe()
1537 platform_set_drvdata(pdev, atxdmac); in at_xdmac_probe()
1539 ret = dma_async_device_register(&atxdmac->dma); in at_xdmac_probe()
1546 at_xdmac_xlate, atxdmac); in at_xdmac_probe()
1553 nr_channels, atxdmac->regs); in at_xdmac_probe()
1558 dma_async_device_unregister(&atxdmac->dma); in at_xdmac_probe()
1560 clk_disable_unprepare(atxdmac->clk); in at_xdmac_probe()
1562 free_irq(atxdmac->irq, atxdmac->dma.dev); in at_xdmac_probe()
1568 struct at_xdmac *atxdmac = (struct at_xdmac *)platform_get_drvdata(pdev); in at_xdmac_remove() local
1571 at_xdmac_off(atxdmac); in at_xdmac_remove()
1573 dma_async_device_unregister(&atxdmac->dma); in at_xdmac_remove()
1574 clk_disable_unprepare(atxdmac->clk); in at_xdmac_remove()
1576 synchronize_irq(atxdmac->irq); in at_xdmac_remove()
1578 free_irq(atxdmac->irq, atxdmac->dma.dev); in at_xdmac_remove()
1580 for (i = 0; i < atxdmac->dma.chancnt; i++) { in at_xdmac_remove()
1581 struct at_xdmac_chan *atchan = &atxdmac->chan[i]; in at_xdmac_remove()