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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/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 33int34core507d_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 61int62core507d_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 73void74core507d_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 80int81core507d_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 103int104core507d_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 130int131core507d_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 143static const struct nv50_core_func144core507d = {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 156int157core507d_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,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 180int181core507d_new(struct nouveau_drm *drm, s32 oclass, struct nv50_core **pcore)182{183 return core507d_new_(&core507d, drm, oclass, pcore);184}185