headgf119.c (3462B)
1/* 2 * Copyright 2017 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 "head.h" 25 26static void 27gf119_head_vblank_put(struct nvkm_head *head) 28{ 29 struct nvkm_device *device = head->disp->engine.subdev.device; 30 const u32 hoff = head->id * 0x800; 31 nvkm_mask(device, 0x6100c0 + hoff, 0x00000001, 0x00000000); 32} 33 34static void 35gf119_head_vblank_get(struct nvkm_head *head) 36{ 37 struct nvkm_device *device = head->disp->engine.subdev.device; 38 const u32 hoff = head->id * 0x800; 39 nvkm_mask(device, 0x6100c0 + hoff, 0x00000001, 0x00000001); 40} 41 42void 43gf119_head_rgclk(struct nvkm_head *head, int div) 44{ 45 struct nvkm_device *device = head->disp->engine.subdev.device; 46 nvkm_mask(device, 0x612200 + (head->id * 0x800), 0x0000000f, div); 47} 48 49static void 50gf119_head_state(struct nvkm_head *head, struct nvkm_head_state *state) 51{ 52 struct nvkm_device *device = head->disp->engine.subdev.device; 53 const u32 hoff = (state == &head->asy) * 0x20000 + head->id * 0x300; 54 u32 data; 55 56 data = nvkm_rd32(device, 0x640414 + hoff); 57 state->vtotal = (data & 0xffff0000) >> 16; 58 state->htotal = (data & 0x0000ffff); 59 data = nvkm_rd32(device, 0x640418 + hoff); 60 state->vsynce = (data & 0xffff0000) >> 16; 61 state->hsynce = (data & 0x0000ffff); 62 data = nvkm_rd32(device, 0x64041c + hoff); 63 state->vblanke = (data & 0xffff0000) >> 16; 64 state->hblanke = (data & 0x0000ffff); 65 data = nvkm_rd32(device, 0x640420 + hoff); 66 state->vblanks = (data & 0xffff0000) >> 16; 67 state->hblanks = (data & 0x0000ffff); 68 state->hz = nvkm_rd32(device, 0x640450 + hoff); 69 70 data = nvkm_rd32(device, 0x640404 + hoff); 71 switch ((data & 0x000003c0) >> 6) { 72 case 6: state->or.depth = 30; break; 73 case 5: state->or.depth = 24; break; 74 case 2: state->or.depth = 18; break; 75 case 0: state->or.depth = 18; break; /*XXX: "default" */ 76 default: 77 state->or.depth = 18; 78 WARN_ON(1); 79 break; 80 } 81} 82 83static const struct nvkm_head_func 84gf119_head = { 85 .state = gf119_head_state, 86 .rgpos = nv50_head_rgpos, 87 .rgclk = gf119_head_rgclk, 88 .vblank_get = gf119_head_vblank_get, 89 .vblank_put = gf119_head_vblank_put, 90}; 91 92int 93gf119_head_new(struct nvkm_disp *disp, int id) 94{ 95 return nvkm_head_new_(&gf119_head, disp, id); 96} 97 98int 99gf119_head_cnt(struct nvkm_disp *disp, unsigned long *pmask) 100{ 101 struct nvkm_device *device = disp->engine.subdev.device; 102 *pmask = nvkm_rd32(device, 0x612004) & 0x0000000f; 103 return nvkm_rd32(device, 0x022448); 104}