1 /* 2 * Copyright 2015 Red Hat Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: Ben Skeggs <bskeggs@redhat.com> 23 */ 24 #include "priv.h" 25 26 u32 27 nv40_pci_rd32(struct nvkm_pci *pci, u16 addr) 28 { 29 struct nvkm_device *device = pci->subdev.device; 30 return nvkm_rd32(device, 0x088000 + addr); 31 } 32 33 void 34 nv40_pci_wr08(struct nvkm_pci *pci, u16 addr, u8 data) 35 { 36 struct nvkm_device *device = pci->subdev.device; 37 nvkm_wr08(device, 0x088000 + addr, data); 38 } 39 40 void 41 nv40_pci_wr32(struct nvkm_pci *pci, u16 addr, u32 data) 42 { 43 struct nvkm_device *device = pci->subdev.device; 44 nvkm_wr32(device, 0x088000 + addr, data); 45 } 46 47 void 48 nv40_pci_msi_rearm(struct nvkm_pci *pci) 49 { 50 nvkm_pci_wr08(pci, 0x0068, 0xff); 51 } 52 53 static const struct nvkm_pci_func 54 nv40_pci_func = { 55 .rd32 = nv40_pci_rd32, 56 .wr08 = nv40_pci_wr08, 57 .wr32 = nv40_pci_wr32, 58 .msi_rearm = nv40_pci_msi_rearm, 59 }; 60 61 int 62 nv40_pci_new(struct nvkm_device *device, int index, struct nvkm_pci **ppci) 63 { 64 return nvkm_pci_new_(&nv40_pci_func, device, index, ppci); 65 } 66