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 #include "head.h" 26 27 #include <nvif/class.h> 28 29 static void 30 nv04_head_vblank_put(struct nvkm_head *head) 31 { 32 struct nvkm_device *device = head->disp->engine.subdev.device; 33 nvkm_wr32(device, 0x600140 + (head->id * 0x2000) , 0x00000000); 34 } 35 36 static void 37 nv04_head_vblank_get(struct nvkm_head *head) 38 { 39 struct nvkm_device *device = head->disp->engine.subdev.device; 40 nvkm_wr32(device, 0x600140 + (head->id * 0x2000) , 0x00000001); 41 } 42 43 static void 44 nv04_head_rgpos(struct nvkm_head *head, u16 *hline, u16 *vline) 45 { 46 struct nvkm_device *device = head->disp->engine.subdev.device; 47 u32 data = nvkm_rd32(device, 0x600868 + (head->id * 0x2000)); 48 *hline = (data & 0xffff0000) >> 16; 49 *vline = (data & 0x0000ffff); 50 } 51 52 static void 53 nv04_head_state(struct nvkm_head *head, struct nvkm_head_state *state) 54 { 55 struct nvkm_device *device = head->disp->engine.subdev.device; 56 const u32 hoff = head->id * 0x0200; 57 state->vblanks = nvkm_rd32(device, 0x680800 + hoff) & 0x0000ffff; 58 state->vtotal = nvkm_rd32(device, 0x680804 + hoff) & 0x0000ffff; 59 state->vblanke = state->vtotal - 1; 60 state->hblanks = nvkm_rd32(device, 0x680820 + hoff) & 0x0000ffff; 61 state->htotal = nvkm_rd32(device, 0x680824 + hoff) & 0x0000ffff; 62 state->hblanke = state->htotal - 1; 63 } 64 65 static const struct nvkm_head_func 66 nv04_head = { 67 .state = nv04_head_state, 68 .rgpos = nv04_head_rgpos, 69 .vblank_get = nv04_head_vblank_get, 70 .vblank_put = nv04_head_vblank_put, 71 }; 72 73 static int 74 nv04_head_new(struct nvkm_disp *disp, int id) 75 { 76 return nvkm_head_new_(&nv04_head, disp, id); 77 } 78 79 static void 80 nv04_disp_intr(struct nvkm_disp *disp) 81 { 82 struct nvkm_subdev *subdev = &disp->engine.subdev; 83 struct nvkm_device *device = subdev->device; 84 u32 crtc0 = nvkm_rd32(device, 0x600100); 85 u32 crtc1 = nvkm_rd32(device, 0x602100); 86 u32 pvideo; 87 88 if (crtc0 & 0x00000001) { 89 nvkm_disp_vblank(disp, 0); 90 nvkm_wr32(device, 0x600100, 0x00000001); 91 } 92 93 if (crtc1 & 0x00000001) { 94 nvkm_disp_vblank(disp, 1); 95 nvkm_wr32(device, 0x602100, 0x00000001); 96 } 97 98 if (device->chipset >= 0x10 && device->chipset <= 0x40) { 99 pvideo = nvkm_rd32(device, 0x8100); 100 if (pvideo & ~0x11) 101 nvkm_info(subdev, "PVIDEO intr: %08x\n", pvideo); 102 nvkm_wr32(device, 0x8100, pvideo); 103 } 104 } 105 106 static const struct nvkm_disp_func 107 nv04_disp = { 108 .intr = nv04_disp_intr, 109 .root = { 0, 0, NV04_DISP }, 110 .user = { {} }, 111 }; 112 113 int 114 nv04_disp_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, 115 struct nvkm_disp **pdisp) 116 { 117 int ret, i; 118 119 ret = nvkm_disp_new_(&nv04_disp, device, type, inst, pdisp); 120 if (ret) 121 return ret; 122 123 for (i = 0; i < 2; i++) { 124 ret = nv04_head_new(*pdisp, i); 125 if (ret) 126 return ret; 127 } 128 129 return 0; 130 } 131