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/push507c.h> 26 #include <nvif/timer.h> 27 28 #include <nvhw/class/cl907d.h> 29 30 #include "nouveau_bo.h" 31 32 int 33 core907d_caps_init(struct nouveau_drm *drm, struct nv50_disp *disp) 34 { 35 struct nv50_core *core = disp->core; 36 struct nouveau_bo *bo = disp->sync; 37 s64 time; 38 int ret; 39 40 NVBO_WR32(bo, NV50_DISP_CORE_NTFY, NV907D_CORE_NOTIFIER_3, CAPABILITIES_4, 41 NVDEF(NV907D_CORE_NOTIFIER_3, CAPABILITIES_4, DONE, FALSE)); 42 43 ret = core507d_read_caps(disp); 44 if (ret < 0) 45 return ret; 46 47 time = nvif_msec(core->chan.base.device, 2000ULL, 48 if (NVBO_TD32(bo, NV50_DISP_CORE_NTFY, 49 NV907D_CORE_NOTIFIER_3, CAPABILITIES_4, DONE, ==, TRUE)) 50 break; 51 usleep_range(1, 2); 52 ); 53 if (time < 0) 54 NV_ERROR(drm, "core caps notifier timeout\n"); 55 56 return 0; 57 } 58 59 static const struct nv50_core_func 60 core907d = { 61 .init = core507d_init, 62 .ntfy_init = core507d_ntfy_init, 63 .caps_init = core907d_caps_init, 64 .ntfy_wait_done = core507d_ntfy_wait_done, 65 .update = core507d_update, 66 .head = &head907d, 67 #if IS_ENABLED(CONFIG_DEBUG_FS) 68 .crc = &crc907d, 69 #endif 70 .dac = &dac907d, 71 .sor = &sor907d, 72 }; 73 74 int 75 core907d_new(struct nouveau_drm *drm, s32 oclass, struct nv50_core **pcore) 76 { 77 return core507d_new_(&core907d, drm, oclass, pcore); 78 } 79