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1/*2 * Copyright 2018 Red Hat Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * 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 OR20 * 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 32int33core907d_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 59static const struct nv50_core_func60core907d = {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#endif70 .dac = &dac907d,71 .sor = &sor907d,72};73 74int75core907d_new(struct nouveau_drm *drm, s32 oclass, struct nv50_core **pcore)76{77 return core507d_new_(&core907d, drm, oclass, pcore);78}79