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 "core.h" 23 #include "head.h" 24 25 #include <nvif/cl507d.h> 26 27 #include "nouveau_bo.h" 28 29 void 30 core507d_update(struct nv50_core *core, u32 *interlock, bool ntfy) 31 { 32 u32 *push; 33 if ((push = evo_wait(&core->chan, 5))) { 34 if (ntfy) { 35 evo_mthd(push, 0x0084, 1); 36 evo_data(push, 0x80000000 | NV50_DISP_CORE_NTFY); 37 } 38 evo_mthd(push, 0x0080, 2); 39 evo_data(push, interlock[NV50_DISP_INTERLOCK_BASE] | 40 interlock[NV50_DISP_INTERLOCK_OVLY]); 41 evo_data(push, 0x00000000); 42 evo_kick(push, &core->chan); 43 } 44 } 45 46 int 47 core507d_ntfy_wait_done(struct nouveau_bo *bo, u32 offset, 48 struct nvif_device *device) 49 { 50 s64 time = nvif_msec(device, 2000ULL, 51 if (nouveau_bo_rd32(bo, offset / 4)) 52 break; 53 usleep_range(1, 2); 54 ); 55 return time < 0 ? time : 0; 56 } 57 58 void 59 core507d_ntfy_init(struct nouveau_bo *bo, u32 offset) 60 { 61 nouveau_bo_wr32(bo, offset / 4, 0x00000000); 62 } 63 64 void 65 core507d_init(struct nv50_core *core) 66 { 67 u32 *push; 68 if ((push = evo_wait(&core->chan, 2))) { 69 evo_mthd(push, 0x0088, 1); 70 evo_data(push, core->chan.sync.handle); 71 evo_kick(push, &core->chan); 72 } 73 } 74 75 static const struct nv50_core_func 76 core507d = { 77 .init = core507d_init, 78 .ntfy_init = core507d_ntfy_init, 79 .ntfy_wait_done = core507d_ntfy_wait_done, 80 .update = core507d_update, 81 .head = &head507d, 82 .dac = &dac507d, 83 .sor = &sor507d, 84 .pior = &pior507d, 85 }; 86 87 int 88 core507d_new_(const struct nv50_core_func *func, struct nouveau_drm *drm, 89 s32 oclass, struct nv50_core **pcore) 90 { 91 struct nv50_disp_core_channel_dma_v0 args = {}; 92 struct nv50_disp *disp = nv50_disp(drm->dev); 93 struct nv50_core *core; 94 int ret; 95 96 if (!(core = *pcore = kzalloc(sizeof(*core), GFP_KERNEL))) 97 return -ENOMEM; 98 core->func = func; 99 100 ret = nv50_dmac_create(&drm->client.device, &disp->disp->object, 101 &oclass, 0, &args, sizeof(args), 102 disp->sync->bo.offset, &core->chan); 103 if (ret) { 104 NV_ERROR(drm, "core%04x allocation failed: %d\n", oclass, ret); 105 return ret; 106 } 107 108 return 0; 109 } 110 111 int 112 core507d_new(struct nouveau_drm *drm, s32 oclass, struct nv50_core **pcore) 113 { 114 return core507d_new_(&core507d, drm, oclass, pcore); 115 } 116