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 "curs.h" 23 #include "core.h" 24 #include "head.h" 25 26 #include <nvif/cl507a.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_plane_helper.h> 33 34 bool 35 curs507a_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 46 static int 47 curs507a_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 58 static int 59 curs507a_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 71 const struct nv50_wimm_func 72 curs507a = { 73 .point = curs507a_point, 74 .update = curs507a_update, 75 }; 76 77 static void 78 curs507a_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 90 static void 91 curs507a_release(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw, 92 struct nv50_head_atom *asyh) 93 { 94 asyh->curs.visible = false; 95 } 96 97 static int 98 curs507a_acquire(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw, 99 struct nv50_head_atom *asyh) 100 { 101 struct nv50_head *head = nv50_head(asyw->state.crtc); 102 int ret; 103 104 ret = drm_atomic_helper_check_plane_state(&asyw->state, &asyh->state, 105 DRM_PLANE_HELPER_NO_SCALING, 106 DRM_PLANE_HELPER_NO_SCALING, 107 true, true); 108 asyh->curs.visible = asyw->state.visible; 109 if (ret || !asyh->curs.visible) 110 return ret; 111 112 if (asyw->image.w != asyw->image.h) 113 return -EINVAL; 114 115 ret = head->func->curs_layout(head, asyw, asyh); 116 if (ret) 117 return ret; 118 119 return head->func->curs_format(head, asyw, asyh); 120 } 121 122 static const u32 123 curs507a_format[] = { 124 DRM_FORMAT_ARGB8888, 125 0 126 }; 127 128 static const struct nv50_wndw_func 129 curs507a_wndw = { 130 .acquire = curs507a_acquire, 131 .release = curs507a_release, 132 .prepare = curs507a_prepare, 133 }; 134 135 int 136 curs507a_new_(const struct nv50_wimm_func *func, struct nouveau_drm *drm, 137 int head, s32 oclass, u32 interlock_data, 138 struct nv50_wndw **pwndw) 139 { 140 struct nv50_disp_cursor_v0 args = { 141 .head = head, 142 }; 143 struct nv50_disp *disp = nv50_disp(drm->dev); 144 struct nv50_wndw *wndw; 145 int ret; 146 147 ret = nv50_wndw_new_(&curs507a_wndw, drm->dev, DRM_PLANE_TYPE_CURSOR, 148 "curs", head, curs507a_format, BIT(head), 149 NV50_DISP_INTERLOCK_CURS, interlock_data, &wndw); 150 if (*pwndw = wndw, ret) 151 return ret; 152 153 ret = nvif_object_ctor(&disp->disp->object, "kmsCurs", 0, oclass, 154 &args, sizeof(args), &wndw->wimm.base.user); 155 if (ret) { 156 NV_ERROR(drm, "curs%04x allocation failed: %d\n", oclass, ret); 157 return ret; 158 } 159 160 nvif_object_map(&wndw->wimm.base.user, NULL, 0); 161 wndw->immd = func; 162 wndw->ctxdma.parent = NULL; 163 return 0; 164 } 165 166 int 167 curs507a_new(struct nouveau_drm *drm, int head, s32 oclass, 168 struct nv50_wndw **pwndw) 169 { 170 return curs507a_new_(&curs507a, drm, head, oclass, 171 0x00000001 << (head * 8), pwndw); 172 } 173