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/if0014.h> 26 #include <nvif/push507c.h> 27 #include <nvif/timer.h> 28 29 #include <nvhw/class/cl507d.h> 30 31 #include "nouveau_bo.h" 32 33 int 34 core507d_update(struct nv50_core *core, u32 *interlock, bool ntfy) 35 { 36 struct nvif_push *push = core->chan.push; 37 int ret; 38 39 if ((ret = PUSH_WAIT(push, (ntfy ? 2 : 0) + 3))) 40 return ret; 41 42 if (ntfy) { 43 PUSH_MTHD(push, NV507D, SET_NOTIFIER_CONTROL, 44 NVDEF(NV507D, SET_NOTIFIER_CONTROL, MODE, WRITE) | 45 NVVAL(NV507D, SET_NOTIFIER_CONTROL, OFFSET, NV50_DISP_CORE_NTFY >> 2) | 46 NVDEF(NV507D, SET_NOTIFIER_CONTROL, NOTIFY, ENABLE)); 47 } 48 49 PUSH_MTHD(push, NV507D, UPDATE, interlock[NV50_DISP_INTERLOCK_BASE] | 50 interlock[NV50_DISP_INTERLOCK_OVLY] | 51 NVDEF(NV507D, UPDATE, NOT_DRIVER_FRIENDLY, FALSE) | 52 NVDEF(NV507D, UPDATE, NOT_DRIVER_UNFRIENDLY, FALSE) | 53 NVDEF(NV507D, UPDATE, INHIBIT_INTERRUPTS, FALSE), 54 55 SET_NOTIFIER_CONTROL, 56 NVDEF(NV507D, SET_NOTIFIER_CONTROL, NOTIFY, DISABLE)); 57 58 return PUSH_KICK(push); 59 } 60 61 int 62 core507d_ntfy_wait_done(struct nouveau_bo *bo, u32 offset, 63 struct nvif_device *device) 64 { 65 s64 time = nvif_msec(device, 2000ULL, 66 if (NVBO_TD32(bo, offset, NV_DISP_CORE_NOTIFIER_1, COMPLETION_0, DONE, ==, TRUE)) 67 break; 68 usleep_range(1, 2); 69 ); 70 return time < 0 ? time : 0; 71 } 72 73 void 74 core507d_ntfy_init(struct nouveau_bo *bo, u32 offset) 75 { 76 NVBO_WR32(bo, offset, NV_DISP_CORE_NOTIFIER_1, COMPLETION_0, 77 NVDEF(NV_DISP_CORE_NOTIFIER_1, COMPLETION_0, DONE, FALSE)); 78 } 79 80 int 81 core507d_read_caps(struct nv50_disp *disp) 82 { 83 struct nvif_push *push = disp->core->chan.push; 84 int ret; 85 86 ret = PUSH_WAIT(push, 6); 87 if (ret) 88 return ret; 89 90 PUSH_MTHD(push, NV507D, SET_NOTIFIER_CONTROL, 91 NVDEF(NV507D, SET_NOTIFIER_CONTROL, MODE, WRITE) | 92 NVVAL(NV507D, SET_NOTIFIER_CONTROL, OFFSET, NV50_DISP_CORE_NTFY >> 2) | 93 NVDEF(NV507D, SET_NOTIFIER_CONTROL, NOTIFY, ENABLE)); 94 95 PUSH_MTHD(push, NV507D, GET_CAPABILITIES, 0x00000000); 96 97 PUSH_MTHD(push, NV507D, SET_NOTIFIER_CONTROL, 98 NVDEF(NV507D, SET_NOTIFIER_CONTROL, NOTIFY, DISABLE)); 99 100 return PUSH_KICK(push); 101 } 102 103 int 104 core507d_caps_init(struct nouveau_drm *drm, struct nv50_disp *disp) 105 { 106 struct nv50_core *core = disp->core; 107 struct nouveau_bo *bo = disp->sync; 108 s64 time; 109 int ret; 110 111 NVBO_WR32(bo, NV50_DISP_CORE_NTFY, NV_DISP_CORE_NOTIFIER_1, CAPABILITIES_1, 112 NVDEF(NV_DISP_CORE_NOTIFIER_1, CAPABILITIES_1, DONE, FALSE)); 113 114 ret = core507d_read_caps(disp); 115 if (ret < 0) 116 return ret; 117 118 time = nvif_msec(core->chan.base.device, 2000ULL, 119 if (NVBO_TD32(bo, NV50_DISP_CORE_NTFY, 120 NV_DISP_CORE_NOTIFIER_1, CAPABILITIES_1, DONE, ==, TRUE)) 121 break; 122 usleep_range(1, 2); 123 ); 124 if (time < 0) 125 NV_ERROR(drm, "core caps notifier timeout\n"); 126 127 return 0; 128 } 129 130 int 131 core507d_init(struct nv50_core *core) 132 { 133 struct nvif_push *push = core->chan.push; 134 int ret; 135 136 if ((ret = PUSH_WAIT(push, 2))) 137 return ret; 138 139 PUSH_MTHD(push, NV507D, SET_CONTEXT_DMA_NOTIFIER, core->chan.sync.handle); 140 return PUSH_KICK(push); 141 } 142 143 static const struct nv50_core_func 144 core507d = { 145 .init = core507d_init, 146 .ntfy_init = core507d_ntfy_init, 147 .caps_init = core507d_caps_init, 148 .ntfy_wait_done = core507d_ntfy_wait_done, 149 .update = core507d_update, 150 .head = &head507d, 151 .dac = &dac507d, 152 .sor = &sor507d, 153 .pior = &pior507d, 154 }; 155 156 int 157 core507d_new_(const struct nv50_core_func *func, struct nouveau_drm *drm, 158 s32 oclass, struct nv50_core **pcore) 159 { 160 struct nvif_disp_chan_v0 args = {}; 161 struct nv50_disp *disp = nv50_disp(drm->dev); 162 struct nv50_core *core; 163 int ret; 164 165 if (!(core = *pcore = kzalloc(sizeof(*core), GFP_KERNEL))) 166 return -ENOMEM; 167 core->func = func; 168 169 ret = nv50_dmac_create(&drm->client.device, &disp->disp->object, 170 &oclass, 0, &args, sizeof(args), 171 disp->sync->offset, &core->chan); 172 if (ret) { 173 NV_ERROR(drm, "core%04x allocation failed: %d\n", oclass, ret); 174 return ret; 175 } 176 177 return 0; 178 } 179 180 int 181 core507d_new(struct nouveau_drm *drm, s32 oclass, struct nv50_core **pcore) 182 { 183 return core507d_new_(&core507d, drm, oclass, pcore); 184 } 185