headnv50.c (3279B)
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 27nv50_head_vblank_put(struct nvkm_head *head) 28{ 29 struct nvkm_device *device = head->disp->engine.subdev.device; 30 nvkm_mask(device, 0x61002c, (4 << head->id), 0); 31} 32 33static void 34nv50_head_vblank_get(struct nvkm_head *head) 35{ 36 struct nvkm_device *device = head->disp->engine.subdev.device; 37 nvkm_mask(device, 0x61002c, (4 << head->id), (4 << head->id)); 38} 39 40static void 41nv50_head_rgclk(struct nvkm_head *head, int div) 42{ 43 struct nvkm_device *device = head->disp->engine.subdev.device; 44 nvkm_mask(device, 0x614200 + (head->id * 0x800), 0x0000000f, div); 45} 46 47void 48nv50_head_rgpos(struct nvkm_head *head, u16 *hline, u16 *vline) 49{ 50 struct nvkm_device *device = head->disp->engine.subdev.device; 51 const u32 hoff = head->id * 0x800; 52 /* vline read locks hline. */ 53 *vline = nvkm_rd32(device, 0x616340 + hoff) & 0x0000ffff; 54 *hline = nvkm_rd32(device, 0x616344 + hoff) & 0x0000ffff; 55} 56 57static void 58nv50_head_state(struct nvkm_head *head, struct nvkm_head_state *state) 59{ 60 struct nvkm_device *device = head->disp->engine.subdev.device; 61 const u32 hoff = head->id * 0x540 + (state == &head->arm) * 4; 62 u32 data; 63 64 data = nvkm_rd32(device, 0x610ae8 + hoff); 65 state->vblanke = (data & 0xffff0000) >> 16; 66 state->hblanke = (data & 0x0000ffff); 67 data = nvkm_rd32(device, 0x610af0 + hoff); 68 state->vblanks = (data & 0xffff0000) >> 16; 69 state->hblanks = (data & 0x0000ffff); 70 data = nvkm_rd32(device, 0x610af8 + hoff); 71 state->vtotal = (data & 0xffff0000) >> 16; 72 state->htotal = (data & 0x0000ffff); 73 data = nvkm_rd32(device, 0x610b00 + hoff); 74 state->vsynce = (data & 0xffff0000) >> 16; 75 state->hsynce = (data & 0x0000ffff); 76 state->hz = (nvkm_rd32(device, 0x610ad0 + hoff) & 0x003fffff) * 1000; 77} 78 79static const struct nvkm_head_func 80nv50_head = { 81 .state = nv50_head_state, 82 .rgpos = nv50_head_rgpos, 83 .rgclk = nv50_head_rgclk, 84 .vblank_get = nv50_head_vblank_get, 85 .vblank_put = nv50_head_vblank_put, 86}; 87 88int 89nv50_head_new(struct nvkm_disp *disp, int id) 90{ 91 return nvkm_head_new_(&nv50_head, disp, id); 92} 93 94int 95nv50_head_cnt(struct nvkm_disp *disp, unsigned long *pmask) 96{ 97 *pmask = 3; 98 return 2; 99}