pci/controller/pcie-rockchip-ep.c

96 	struct rockchip_pcie_ep *ep = epc_get_drvdata(epc);
97 	struct rockchip_pcie *rockchip = &ep->rockchip;
134 	struct rockchip_pcie_ep *ep = epc_get_drvdata(epc);
135 	struct rockchip_pcie *rockchip = &ep->rockchip;
202 	struct rockchip_pcie_ep *ep = epc_get_drvdata(epc);
203 	struct rockchip_pcie *rockchip = &ep->rockchip;
237 	struct rockchip_pcie_ep *ep = epc_get_drvdata(epc);
238 	struct rockchip_pcie *pcie = &ep->rockchip;
243 	set_bit(r, &ep->ob_region_map);
244 	ep->ob_addr[r] = addr;
252 	struct rockchip_pcie_ep *ep = epc_get_drvdata(epc);
253 	struct rockchip_pcie *rockchip = &ep->rockchip;
256 	for (r = 0; r < ep->max_regions; r++)
257 		if (ep->ob_addr[r] == addr)
260 	if (r == ep->max_regions)
265 	ep->ob_addr[r] = 0;
266 	clear_bit(r, &ep->ob_region_map);
272 	struct rockchip_pcie_ep *ep = epc_get_drvdata(epc);
273 	struct rockchip_pcie *rockchip = &ep->rockchip;
292 	struct rockchip_pcie_ep *ep = epc_get_drvdata(epc);
293 	struct rockchip_pcie *rockchip = &ep->rockchip;
306 static void rockchip_pcie_ep_assert_intx(struct rockchip_pcie_ep *ep, u8 fn,
309 	struct rockchip_pcie *rockchip = &ep->rockchip;
314 		ep->irq_pending |= BIT(intx);
320 		ep->irq_pending &= ~BIT(intx);
328 static int rockchip_pcie_ep_send_intx_irq(struct rockchip_pcie_ep *ep, u8 fn,
333 	cmd = rockchip_pcie_read(&ep->rockchip,
345 	rockchip_pcie_ep_assert_intx(ep, fn, intx, true);
347 	rockchip_pcie_ep_assert_intx(ep, fn, intx, false);
351 static int rockchip_pcie_ep_send_msi_irq(struct rockchip_pcie_ep *ep, u8 fn,
354 	struct rockchip_pcie *rockchip = &ep->rockchip;
361 	flags = rockchip_pcie_read(&ep->rockchip,
394 	if (unlikely(ep->irq_pci_addr != (pci_addr & PCIE_ADDR_MASK) ||
395 		     ep->irq_pci_fn != fn)) {
396 		r = rockchip_ob_region(ep->irq_phys_addr);
398 					     ep->irq_phys_addr,
401 		ep->irq_pci_addr = (pci_addr & PCIE_ADDR_MASK);
402 		ep->irq_pci_fn = fn;
405 	writew(data, ep->irq_cpu_addr + (pci_addr & ~PCIE_ADDR_MASK));
412 	struct rockchip_pcie_ep *ep = epc_get_drvdata(epc);
416 		return rockchip_pcie_ep_send_intx_irq(ep, fn, 0);
418 		return rockchip_pcie_ep_send_msi_irq(ep, fn, interrupt_num);
426 	struct rockchip_pcie_ep *ep = epc_get_drvdata(epc);
427 	struct rockchip_pcie *rockchip = &ep->rockchip;
467 				     struct rockchip_pcie_ep *ep)
482 				   &ep->max_regions);
483 	if (err < 0 || ep->max_regions > MAX_REGION_LIMIT)
484 		ep->max_regions = MAX_REGION_LIMIT;
486 	ep->ob_region_map = 0;
489 				  &ep->epc->max_functions);
491 		ep->epc->max_functions = 1;
497 	{ .compatible = "rockchip,rk3399-pcie-ep"},
504 	struct rockchip_pcie_ep *ep;
512 	ep = devm_kzalloc(dev, sizeof(*ep), GFP_KERNEL);
513 	if (!ep)
516 	rockchip = &ep->rockchip;
526 	ep->epc = epc;
527 	epc_set_drvdata(epc, ep);
529 	err = rockchip_pcie_parse_ep_dt(rockchip, ep);
545 	max_regions = ep->max_regions;
546 	ep->ob_addr = devm_kcalloc(dev, max_regions, sizeof(*ep->ob_addr),
549 	if (!ep->ob_addr) {
557 	windows = devm_kcalloc(dev, ep->max_regions,
563 	for (i = 0; i < ep->max_regions; i++) {
568 	err = pci_epc_multi_mem_init(epc, windows, ep->max_regions);
576 	ep->irq_cpu_addr = pci_epc_mem_alloc_addr(epc, &ep->irq_phys_addr,
578 	if (!ep->irq_cpu_addr) {
584 	ep->irq_pci_addr = ROCKCHIP_PCIE_EP_DUMMY_IRQ_ADDR;
624 		.name = "rockchip-pcie-ep",