pci/controller/pcie-rockchip-ep.c

96 	struct rockchip_pcie_ep *ep = epc_get_drvdata(epc);
97 	struct rockchip_pcie *rockchip = &ep->rockchip;
132 	struct rockchip_pcie_ep *ep = epc_get_drvdata(epc);
133 	struct rockchip_pcie *rockchip = &ep->rockchip;
200 	struct rockchip_pcie_ep *ep = epc_get_drvdata(epc);
201 	struct rockchip_pcie *rockchip = &ep->rockchip;
235 	struct rockchip_pcie_ep *ep = epc_get_drvdata(epc);
236 	struct rockchip_pcie *pcie = &ep->rockchip;
241 	set_bit(r, &ep->ob_region_map);
242 	ep->ob_addr[r] = addr;
250 	struct rockchip_pcie_ep *ep = epc_get_drvdata(epc);
251 	struct rockchip_pcie *rockchip = &ep->rockchip;
254 	for (r = 0; r < ep->max_regions; r++)
255 		if (ep->ob_addr[r] == addr)
258 	if (r == ep->max_regions)
263 	ep->ob_addr[r] = 0;
264 	clear_bit(r, &ep->ob_region_map);
270 	struct rockchip_pcie_ep *ep = epc_get_drvdata(epc);
271 	struct rockchip_pcie *rockchip = &ep->rockchip;
290 	struct rockchip_pcie_ep *ep = epc_get_drvdata(epc);
291 	struct rockchip_pcie *rockchip = &ep->rockchip;
304 static void rockchip_pcie_ep_assert_intx(struct rockchip_pcie_ep *ep, u8 fn,
307 	struct rockchip_pcie *rockchip = &ep->rockchip;
312 		ep->irq_pending |= BIT(intx);
318 		ep->irq_pending &= ~BIT(intx);
326 static int rockchip_pcie_ep_send_intx_irq(struct rockchip_pcie_ep *ep, u8 fn,
331 	cmd = rockchip_pcie_read(&ep->rockchip,
343 	rockchip_pcie_ep_assert_intx(ep, fn, intx, true);
345 	rockchip_pcie_ep_assert_intx(ep, fn, intx, false);
349 static int rockchip_pcie_ep_send_msi_irq(struct rockchip_pcie_ep *ep, u8 fn,
352 	struct rockchip_pcie *rockchip = &ep->rockchip;
359 	flags = rockchip_pcie_read(&ep->rockchip,
392 	if (unlikely(ep->irq_pci_addr != (pci_addr & PCIE_ADDR_MASK) ||
393 		     ep->irq_pci_fn != fn)) {
394 		r = rockchip_ob_region(ep->irq_phys_addr);
396 					     ep->irq_phys_addr,
399 		ep->irq_pci_addr = (pci_addr & PCIE_ADDR_MASK);
400 		ep->irq_pci_fn = fn;
403 	writew(data, ep->irq_cpu_addr + (pci_addr & ~PCIE_ADDR_MASK));
410 	struct rockchip_pcie_ep *ep = epc_get_drvdata(epc);
414 		return rockchip_pcie_ep_send_intx_irq(ep, fn, 0);
416 		return rockchip_pcie_ep_send_msi_irq(ep, fn, interrupt_num);
424 	struct rockchip_pcie_ep *ep = epc_get_drvdata(epc);
425 	struct rockchip_pcie *rockchip = &ep->rockchip;
465 				     struct rockchip_pcie_ep *ep)
480 				   &ep->max_regions);
481 	if (err < 0 || ep->max_regions > MAX_REGION_LIMIT)
482 		ep->max_regions = MAX_REGION_LIMIT;
484 	ep->ob_region_map = 0;
487 				  &ep->epc->max_functions);
489 		ep->epc->max_functions = 1;
495 	{ .compatible = "rockchip,rk3399-pcie-ep"},
502 	struct rockchip_pcie_ep *ep;
510 	ep = devm_kzalloc(dev, sizeof(*ep), GFP_KERNEL);
511 	if (!ep)
514 	rockchip = &ep->rockchip;
524 	ep->epc = epc;
525 	epc_set_drvdata(epc, ep);
527 	err = rockchip_pcie_parse_ep_dt(rockchip, ep);
543 	max_regions = ep->max_regions;
544 	ep->ob_addr = devm_kcalloc(dev, max_regions, sizeof(*ep->ob_addr),
547 	if (!ep->ob_addr) {
555 	windows = devm_kcalloc(dev, ep->max_regions,
561 	for (i = 0; i < ep->max_regions; i++) {
566 	err = pci_epc_multi_mem_init(epc, windows, ep->max_regions);
574 	ep->irq_cpu_addr = pci_epc_mem_alloc_addr(epc, &ep->irq_phys_addr,
576 	if (!ep->irq_cpu_addr) {
582 	ep->irq_pci_addr = ROCKCHIP_PCIE_EP_DUMMY_IRQ_ADDR;
624 		.name = "rockchip-pcie-ep",