headgv100.c (3585B)
1/* 2 * Copyright 2018 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#include "head.h" 23 24static void 25gv100_head_vblank_put(struct nvkm_head *head) 26{ 27 struct nvkm_device *device = head->disp->engine.subdev.device; 28 nvkm_mask(device, 0x611d80 + (head->id * 4), 0x00000004, 0x00000000); 29} 30 31static void 32gv100_head_vblank_get(struct nvkm_head *head) 33{ 34 struct nvkm_device *device = head->disp->engine.subdev.device; 35 nvkm_mask(device, 0x611d80 + (head->id * 4), 0x00000004, 0x00000004); 36} 37 38static void 39gv100_head_rgpos(struct nvkm_head *head, u16 *hline, u16 *vline) 40{ 41 struct nvkm_device *device = head->disp->engine.subdev.device; 42 const u32 hoff = head->id * 0x800; 43 /* vline read locks hline. */ 44 *vline = nvkm_rd32(device, 0x616330 + hoff) & 0x0000ffff; 45 *hline = nvkm_rd32(device, 0x616334 + hoff) & 0x0000ffff; 46} 47 48static void 49gv100_head_state(struct nvkm_head *head, struct nvkm_head_state *state) 50{ 51 struct nvkm_device *device = head->disp->engine.subdev.device; 52 const u32 hoff = (state == &head->arm) * 0x8000 + head->id * 0x400; 53 u32 data; 54 55 data = nvkm_rd32(device, 0x682064 + hoff); 56 state->vtotal = (data & 0xffff0000) >> 16; 57 state->htotal = (data & 0x0000ffff); 58 data = nvkm_rd32(device, 0x682068 + hoff); 59 state->vsynce = (data & 0xffff0000) >> 16; 60 state->hsynce = (data & 0x0000ffff); 61 data = nvkm_rd32(device, 0x68206c + hoff); 62 state->vblanke = (data & 0xffff0000) >> 16; 63 state->hblanke = (data & 0x0000ffff); 64 data = nvkm_rd32(device, 0x682070 + hoff); 65 state->vblanks = (data & 0xffff0000) >> 16; 66 state->hblanks = (data & 0x0000ffff); 67 state->hz = nvkm_rd32(device, 0x68200c + hoff); 68 69 data = nvkm_rd32(device, 0x682004 + hoff); 70 switch ((data & 0x000000f0) >> 4) { 71 case 5: state->or.depth = 30; break; 72 case 4: state->or.depth = 24; break; 73 case 1: state->or.depth = 18; break; 74 default: 75 state->or.depth = 18; 76 WARN_ON(1); 77 break; 78 } 79} 80 81static const struct nvkm_head_func 82gv100_head = { 83 .state = gv100_head_state, 84 .rgpos = gv100_head_rgpos, 85 .rgclk = gf119_head_rgclk, 86 .vblank_get = gv100_head_vblank_get, 87 .vblank_put = gv100_head_vblank_put, 88}; 89 90int 91gv100_head_new(struct nvkm_disp *disp, int id) 92{ 93 struct nvkm_device *device = disp->engine.subdev.device; 94 if (!(nvkm_rd32(device, 0x610060) & (0x00000001 << id))) 95 return 0; 96 return nvkm_head_new_(&gv100_head, disp, id); 97} 98 99int 100gv100_head_cnt(struct nvkm_disp *disp, unsigned long *pmask) 101{ 102 struct nvkm_device *device = disp->engine.subdev.device; 103 *pmask = nvkm_rd32(device, 0x610060) & 0x000000ff; 104 return nvkm_rd32(device, 0x610074) & 0x0000000f; 105}