1/* $NetBSD: nouveau_nvkm_engine_disp_headgf119.c,v 1.2 2021/12/18 23:45:35 riastradh Exp $ */ 2 3/* 4 * Copyright 2017 Red Hat Inc. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 * Authors: Ben Skeggs <bskeggs@redhat.com> 25 */ 26#include <sys/cdefs.h> 27__KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_engine_disp_headgf119.c,v 1.2 2021/12/18 23:45:35 riastradh Exp $"); 28 29#include "head.h" 30 31static void 32gf119_head_vblank_put(struct nvkm_head *head) 33{ 34 struct nvkm_device *device = head->disp->engine.subdev.device; 35 const u32 hoff = head->id * 0x800; 36 nvkm_mask(device, 0x6100c0 + hoff, 0x00000001, 0x00000000); 37} 38 39static void 40gf119_head_vblank_get(struct nvkm_head *head) 41{ 42 struct nvkm_device *device = head->disp->engine.subdev.device; 43 const u32 hoff = head->id * 0x800; 44 nvkm_mask(device, 0x6100c0 + hoff, 0x00000001, 0x00000001); 45} 46 47void 48gf119_head_rgclk(struct nvkm_head *head, int div) 49{ 50 struct nvkm_device *device = head->disp->engine.subdev.device; 51 nvkm_mask(device, 0x612200 + (head->id * 0x800), 0x0000000f, div); 52} 53 54static void 55gf119_head_state(struct nvkm_head *head, struct nvkm_head_state *state) 56{ 57 struct nvkm_device *device = head->disp->engine.subdev.device; 58 const u32 hoff = (state == &head->asy) * 0x20000 + head->id * 0x300; 59 u32 data; 60 61 data = nvkm_rd32(device, 0x640414 + hoff); 62 state->vtotal = (data & 0xffff0000) >> 16; 63 state->htotal = (data & 0x0000ffff); 64 data = nvkm_rd32(device, 0x640418 + hoff); 65 state->vsynce = (data & 0xffff0000) >> 16; 66 state->hsynce = (data & 0x0000ffff); 67 data = nvkm_rd32(device, 0x64041c + hoff); 68 state->vblanke = (data & 0xffff0000) >> 16; 69 state->hblanke = (data & 0x0000ffff); 70 data = nvkm_rd32(device, 0x640420 + hoff); 71 state->vblanks = (data & 0xffff0000) >> 16; 72 state->hblanks = (data & 0x0000ffff); 73 state->hz = nvkm_rd32(device, 0x640450 + hoff); 74 75 data = nvkm_rd32(device, 0x640404 + hoff); 76 switch ((data & 0x000003c0) >> 6) { 77 case 6: state->or.depth = 30; break; 78 case 5: state->or.depth = 24; break; 79 case 2: state->or.depth = 18; break; 80 case 0: state->or.depth = 18; break; /*XXX: "default" */ 81 default: 82 state->or.depth = 18; 83 WARN_ON(1); 84 break; 85 } 86} 87 88static const struct nvkm_head_func 89gf119_head = { 90 .state = gf119_head_state, 91 .rgpos = nv50_head_rgpos, 92 .rgclk = gf119_head_rgclk, 93 .vblank_get = gf119_head_vblank_get, 94 .vblank_put = gf119_head_vblank_put, 95}; 96 97int 98gf119_head_new(struct nvkm_disp *disp, int id) 99{ 100 return nvkm_head_new_(&gf119_head, disp, id); 101} 102 103int 104gf119_head_cnt(struct nvkm_disp *disp, unsigned long *pmask) 105{ 106 struct nvkm_device *device = disp->engine.subdev.device; 107 *pmask = nvkm_rd32(device, 0x612004) & 0x0000000f; 108 return nvkm_rd32(device, 0x022448); 109} 110