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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 "curs.h"23#include "core.h"24#include "head.h"25 26#include <nvif/if0014.h>27#include <nvif/timer.h>28 29#include <nvhw/class/cl507a.h>30 31#include <drm/drm_atomic_helper.h>32#include <drm/drm_fourcc.h>33 34bool35curs507a_space(struct nv50_wndw *wndw)36{37 nvif_msec(&nouveau_drm(wndw->plane.dev)->client.device, 100,38 if (NVIF_TV32(&wndw->wimm.base.user, NV507A, FREE, COUNT, >=, 4))39 return true;40 );41 42 WARN_ON(1);43 return false;44}45 46static int47curs507a_update(struct nv50_wndw *wndw, u32 *interlock)48{49 struct nvif_object *user = &wndw->wimm.base.user;50 int ret = nvif_chan_wait(&wndw->wimm, 1);51 if (ret == 0) {52 NVIF_WR32(user, NV507A, UPDATE,53 NVDEF(NV507A, UPDATE, INTERLOCK_WITH_CORE, DISABLE));54 }55 return ret;56}57 58static int59curs507a_point(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)60{61 struct nvif_object *user = &wndw->wimm.base.user;62 int ret = nvif_chan_wait(&wndw->wimm, 1);63 if (ret == 0) {64 NVIF_WR32(user, NV507A, SET_CURSOR_HOT_SPOT_POINT_OUT,65 NVVAL(NV507A, SET_CURSOR_HOT_SPOT_POINT_OUT, X, asyw->point.x) |66 NVVAL(NV507A, SET_CURSOR_HOT_SPOT_POINT_OUT, Y, asyw->point.y));67 }68 return ret;69}70 71const struct nv50_wimm_func72curs507a = {73 .point = curs507a_point,74 .update = curs507a_update,75};76 77static void78curs507a_prepare(struct nv50_wndw *wndw, struct nv50_head_atom *asyh,79 struct nv50_wndw_atom *asyw)80{81 u32 handle = nv50_disp(wndw->plane.dev)->core->chan.vram.handle;82 u32 offset = asyw->image.offset[0];83 if (asyh->curs.handle != handle || asyh->curs.offset != offset) {84 asyh->curs.handle = handle;85 asyh->curs.offset = offset;86 asyh->set.curs = asyh->curs.visible;87 }88}89 90static void91curs507a_release(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw,92 struct nv50_head_atom *asyh)93{94 asyh->curs.visible = false;95}96 97static int98curs507a_acquire(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw,99 struct nv50_head_atom *asyh)100{101 struct nouveau_drm *drm = nouveau_drm(wndw->plane.dev);102 struct nv50_head *head = nv50_head(asyw->state.crtc);103 struct drm_framebuffer *fb = asyw->state.fb;104 int ret;105 106 ret = drm_atomic_helper_check_plane_state(&asyw->state, &asyh->state,107 DRM_PLANE_NO_SCALING,108 DRM_PLANE_NO_SCALING,109 true, true);110 asyh->curs.visible = asyw->state.visible;111 if (ret || !asyh->curs.visible)112 return ret;113 114 if (asyw->state.crtc_w != asyw->state.crtc_h) {115 NV_ATOMIC(drm, "Plane width/height must be equal for cursors\n");116 return -EINVAL;117 }118 119 if (asyw->image.w != asyw->state.crtc_w) {120 NV_ATOMIC(drm, "Plane width must be equal to fb width for cursors (height can be larger though)\n");121 return -EINVAL;122 }123 124 if (asyw->state.src_x || asyw->state.src_y) {125 NV_ATOMIC(drm, "Cursor planes do not support framebuffer offsets\n");126 return -EINVAL;127 }128 129 if (asyw->image.pitch[0] != asyw->image.w * fb->format->cpp[0]) {130 NV_ATOMIC(drm,131 "%s: invalid cursor image pitch: image must be packed (pitch = %d, width = %d)\n",132 wndw->plane.name, asyw->image.pitch[0], asyw->image.w);133 return -EINVAL;134 }135 136 ret = head->func->curs_layout(head, asyw, asyh);137 if (ret) {138 NV_ATOMIC(drm,139 "%s: invalid cursor image size: unsupported size %dx%d\n",140 wndw->plane.name, asyw->image.w, asyw->image.h);141 return ret;142 }143 144 ret = head->func->curs_format(head, asyw, asyh);145 if (ret) {146 NV_ATOMIC(drm,147 "%s: invalid cursor image format 0x%X\n",148 wndw->plane.name, fb->format->format);149 return ret;150 }151 152 return 0;153}154 155static const u32156curs507a_format[] = {157 DRM_FORMAT_ARGB8888,158 0159};160 161static const struct nv50_wndw_func162curs507a_wndw = {163 .acquire = curs507a_acquire,164 .release = curs507a_release,165 .prepare = curs507a_prepare,166};167 168int169curs507a_new_(const struct nv50_wimm_func *func, struct nouveau_drm *drm,170 int head, s32 oclass, u32 interlock_data,171 struct nv50_wndw **pwndw)172{173 struct nvif_disp_chan_v0 args = {174 .id = head,175 };176 struct nv50_disp *disp = nv50_disp(drm->dev);177 struct nv50_wndw *wndw;178 int ret;179 180 ret = nv50_wndw_new_(&curs507a_wndw, drm->dev, DRM_PLANE_TYPE_CURSOR,181 "curs", head, curs507a_format, BIT(head),182 NV50_DISP_INTERLOCK_CURS, interlock_data, &wndw);183 if (*pwndw = wndw, ret)184 return ret;185 186 ret = nvif_object_ctor(&disp->disp->object, "kmsCurs", 0, oclass,187 &args, sizeof(args), &wndw->wimm.base.user);188 if (ret) {189 NV_ERROR(drm, "curs%04x allocation failed: %d\n", oclass, ret);190 return ret;191 }192 193 nvif_object_map(&wndw->wimm.base.user, NULL, 0);194 wndw->immd = func;195 wndw->ctxdma.parent = NULL;196 return 0;197}198 199int200curs507a_new(struct nouveau_drm *drm, int head, s32 oclass,201 struct nv50_wndw **pwndw)202{203 return curs507a_new_(&curs507a, drm, head, oclass,204 0x00000001 << (head * 8), pwndw);205}206