1/* $NetBSD: nouveau_nvkm_engine_disp_corenv50.c,v 1.3 2021/12/18 23:45:35 riastradh Exp $ */ 2 3/* 4 * Copyright 2012 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 25 */ 26#include <sys/cdefs.h> 27__KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_engine_disp_corenv50.c,v 1.3 2021/12/18 23:45:35 riastradh Exp $"); 28 29#include "channv50.h" 30 31#include <core/client.h> 32#include <subdev/timer.h> 33 34#include <nvif/cl507d.h> 35#include <nvif/unpack.h> 36 37int 38nv50_disp_core_new_(const struct nv50_disp_chan_func *func, 39 const struct nv50_disp_chan_mthd *mthd, 40 struct nv50_disp *disp, int chid, 41 const struct nvkm_oclass *oclass, void *argv, u32 argc, 42 struct nvkm_object **pobject) 43{ 44 union { 45 struct nv50_disp_core_channel_dma_v0 v0; 46 } *args = argv; 47 struct nvkm_object *parent = oclass->parent; 48 u64 push; 49 int ret = -ENOSYS; 50 51 nvif_ioctl(parent, "create disp core channel dma size %d\n", argc); 52 if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, false))) { 53 nvif_ioctl(parent, "create disp core channel dma vers %d " 54 "pushbuf %016"PRIx64"\n", 55 args->v0.version, args->v0.pushbuf); 56 push = args->v0.pushbuf; 57 } else 58 return ret; 59 60 return nv50_disp_dmac_new_(func, mthd, disp, chid, 0, 61 push, oclass, pobject); 62} 63 64const struct nv50_disp_mthd_list 65nv50_disp_core_mthd_base = { 66 .mthd = 0x0000, 67 .addr = 0x000000, 68 .data = { 69 { 0x0080, 0x000000 }, 70 { 0x0084, 0x610bb8 }, 71 { 0x0088, 0x610b9c }, 72 { 0x008c, 0x000000 }, 73 {} 74 } 75}; 76 77static const struct nv50_disp_mthd_list 78nv50_disp_core_mthd_dac = { 79 .mthd = 0x0080, 80 .addr = 0x000008, 81 .data = { 82 { 0x0400, 0x610b58 }, 83 { 0x0404, 0x610bdc }, 84 { 0x0420, 0x610828 }, 85 {} 86 } 87}; 88 89const struct nv50_disp_mthd_list 90nv50_disp_core_mthd_sor = { 91 .mthd = 0x0040, 92 .addr = 0x000008, 93 .data = { 94 { 0x0600, 0x610b70 }, 95 {} 96 } 97}; 98 99const struct nv50_disp_mthd_list 100nv50_disp_core_mthd_pior = { 101 .mthd = 0x0040, 102 .addr = 0x000008, 103 .data = { 104 { 0x0700, 0x610b80 }, 105 {} 106 } 107}; 108 109static const struct nv50_disp_mthd_list 110nv50_disp_core_mthd_head = { 111 .mthd = 0x0400, 112 .addr = 0x000540, 113 .data = { 114 { 0x0800, 0x610ad8 }, 115 { 0x0804, 0x610ad0 }, 116 { 0x0808, 0x610a48 }, 117 { 0x080c, 0x610a78 }, 118 { 0x0810, 0x610ac0 }, 119 { 0x0814, 0x610af8 }, 120 { 0x0818, 0x610b00 }, 121 { 0x081c, 0x610ae8 }, 122 { 0x0820, 0x610af0 }, 123 { 0x0824, 0x610b08 }, 124 { 0x0828, 0x610b10 }, 125 { 0x082c, 0x610a68 }, 126 { 0x0830, 0x610a60 }, 127 { 0x0834, 0x000000 }, 128 { 0x0838, 0x610a40 }, 129 { 0x0840, 0x610a24 }, 130 { 0x0844, 0x610a2c }, 131 { 0x0848, 0x610aa8 }, 132 { 0x084c, 0x610ab0 }, 133 { 0x0860, 0x610a84 }, 134 { 0x0864, 0x610a90 }, 135 { 0x0868, 0x610b18 }, 136 { 0x086c, 0x610b20 }, 137 { 0x0870, 0x610ac8 }, 138 { 0x0874, 0x610a38 }, 139 { 0x0880, 0x610a58 }, 140 { 0x0884, 0x610a9c }, 141 { 0x08a0, 0x610a70 }, 142 { 0x08a4, 0x610a50 }, 143 { 0x08a8, 0x610ae0 }, 144 { 0x08c0, 0x610b28 }, 145 { 0x08c4, 0x610b30 }, 146 { 0x08c8, 0x610b40 }, 147 { 0x08d4, 0x610b38 }, 148 { 0x08d8, 0x610b48 }, 149 { 0x08dc, 0x610b50 }, 150 { 0x0900, 0x610a18 }, 151 { 0x0904, 0x610ab8 }, 152 {} 153 } 154}; 155 156static const struct nv50_disp_chan_mthd 157nv50_disp_core_mthd = { 158 .name = "Core", 159 .addr = 0x000000, 160 .prev = 0x000004, 161 .data = { 162 { "Global", 1, &nv50_disp_core_mthd_base }, 163 { "DAC", 3, &nv50_disp_core_mthd_dac }, 164 { "SOR", 2, &nv50_disp_core_mthd_sor }, 165 { "PIOR", 3, &nv50_disp_core_mthd_pior }, 166 { "HEAD", 2, &nv50_disp_core_mthd_head }, 167 {} 168 } 169}; 170 171static void 172nv50_disp_core_fini(struct nv50_disp_chan *chan) 173{ 174 struct nvkm_subdev *subdev = &chan->disp->base.engine.subdev; 175 struct nvkm_device *device = subdev->device; 176 177 /* deactivate channel */ 178 nvkm_mask(device, 0x610200, 0x00000010, 0x00000000); 179 nvkm_mask(device, 0x610200, 0x00000003, 0x00000000); 180 if (nvkm_msec(device, 2000, 181 if (!(nvkm_rd32(device, 0x610200) & 0x001e0000)) 182 break; 183 ) < 0) { 184 nvkm_error(subdev, "core fini: %08x\n", 185 nvkm_rd32(device, 0x610200)); 186 } 187} 188 189static int 190nv50_disp_core_init(struct nv50_disp_chan *chan) 191{ 192 struct nvkm_subdev *subdev = &chan->disp->base.engine.subdev; 193 struct nvkm_device *device = subdev->device; 194 195 /* attempt to unstick channel from some unknown state */ 196 if ((nvkm_rd32(device, 0x610200) & 0x009f0000) == 0x00020000) 197 nvkm_mask(device, 0x610200, 0x00800000, 0x00800000); 198 if ((nvkm_rd32(device, 0x610200) & 0x003f0000) == 0x00030000) 199 nvkm_mask(device, 0x610200, 0x00600000, 0x00600000); 200 201 /* initialise channel for dma command submission */ 202 nvkm_wr32(device, 0x610204, chan->push); 203 nvkm_wr32(device, 0x610208, 0x00010000); 204 nvkm_wr32(device, 0x61020c, 0x00000000); 205 nvkm_mask(device, 0x610200, 0x00000010, 0x00000010); 206 nvkm_wr32(device, 0x640000, 0x00000000); 207 nvkm_wr32(device, 0x610200, 0x01000013); 208 209 /* wait for it to go inactive */ 210 if (nvkm_msec(device, 2000, 211 if (!(nvkm_rd32(device, 0x610200) & 0x80000000)) 212 break; 213 ) < 0) { 214 nvkm_error(subdev, "core init: %08x\n", 215 nvkm_rd32(device, 0x610200)); 216 return -EBUSY; 217 } 218 219 return 0; 220} 221 222const struct nv50_disp_chan_func 223nv50_disp_core_func = { 224 .init = nv50_disp_core_init, 225 .fini = nv50_disp_core_fini, 226 .intr = nv50_disp_chan_intr, 227 .user = nv50_disp_chan_user, 228 .bind = nv50_disp_dmac_bind, 229}; 230 231int 232nv50_disp_core_new(const struct nvkm_oclass *oclass, void *argv, u32 argc, 233 struct nv50_disp *disp, struct nvkm_object **pobject) 234{ 235 return nv50_disp_core_new_(&nv50_disp_core_func, &nv50_disp_core_mthd, 236 disp, 0, oclass, argv, argc, pobject); 237} 238