1 /* 2 * Copyright 2012 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 23 */ 24 #include "priv.h" 25 26 static const struct nvkm_disp_oclass * 27 nv04_disp_root(struct nvkm_disp *disp) 28 { 29 return &nv04_disp_root_oclass; 30 } 31 32 static void 33 nv04_disp_vblank_init(struct nvkm_disp *disp, int head) 34 { 35 struct nvkm_device *device = disp->engine.subdev.device; 36 nvkm_wr32(device, 0x600140 + (head * 0x2000) , 0x00000001); 37 } 38 39 static void 40 nv04_disp_vblank_fini(struct nvkm_disp *disp, int head) 41 { 42 struct nvkm_device *device = disp->engine.subdev.device; 43 nvkm_wr32(device, 0x600140 + (head * 0x2000) , 0x00000000); 44 } 45 46 static void 47 nv04_disp_intr(struct nvkm_disp *disp) 48 { 49 struct nvkm_subdev *subdev = &disp->engine.subdev; 50 struct nvkm_device *device = subdev->device; 51 u32 crtc0 = nvkm_rd32(device, 0x600100); 52 u32 crtc1 = nvkm_rd32(device, 0x602100); 53 u32 pvideo; 54 55 if (crtc0 & 0x00000001) { 56 nvkm_disp_vblank(disp, 0); 57 nvkm_wr32(device, 0x600100, 0x00000001); 58 } 59 60 if (crtc1 & 0x00000001) { 61 nvkm_disp_vblank(disp, 1); 62 nvkm_wr32(device, 0x602100, 0x00000001); 63 } 64 65 if (device->chipset >= 0x10 && device->chipset <= 0x40) { 66 pvideo = nvkm_rd32(device, 0x8100); 67 if (pvideo & ~0x11) 68 nvkm_info(subdev, "PVIDEO intr: %08x\n", pvideo); 69 nvkm_wr32(device, 0x8100, pvideo); 70 } 71 } 72 73 static const struct nvkm_disp_func 74 nv04_disp = { 75 .intr = nv04_disp_intr, 76 .root = nv04_disp_root, 77 .head.vblank_init = nv04_disp_vblank_init, 78 .head.vblank_fini = nv04_disp_vblank_fini, 79 }; 80 81 int 82 nv04_disp_new(struct nvkm_device *device, int index, struct nvkm_disp **pdisp) 83 { 84 return nvkm_disp_new_(&nv04_disp, device, index, 2, pdisp); 85 } 86