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 "wimm.h" 23 #include "atom.h" 24 #include "wndw.h" 25 26 #include <nvif/clc37b.h> 27 #include <nvif/pushc37b.h> 28 29 #include <nvhw/class/clc37b.h> 30 31 static int 32 wimmc37b_update(struct nv50_wndw *wndw, u32 *interlock) 33 { 34 struct nvif_push *push = wndw->wimm.push; 35 int ret; 36 37 if ((ret = PUSH_WAIT(push, 2))) 38 return ret; 39 40 PUSH_MTHD(push, NVC37B, UPDATE, 0x00000001 | 41 NVVAL(NVC37B, UPDATE, INTERLOCK_WITH_WINDOW, 42 !!(interlock[NV50_DISP_INTERLOCK_WNDW] & wndw->interlock.data))); 43 return PUSH_KICK(push); 44 } 45 46 static int 47 wimmc37b_point(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw) 48 { 49 struct nvif_push *push = wndw->wimm.push; 50 int ret; 51 52 if ((ret = PUSH_WAIT(push, 2))) 53 return ret; 54 55 PUSH_MTHD(push, NVC37B, SET_POINT_OUT(0), 56 NVVAL(NVC37B, SET_POINT_OUT, X, asyw->point.x) | 57 NVVAL(NVC37B, SET_POINT_OUT, Y, asyw->point.y)); 58 return 0; 59 } 60 61 static const struct nv50_wimm_func 62 wimmc37b = { 63 .point = wimmc37b_point, 64 .update = wimmc37b_update, 65 }; 66 67 static int 68 wimmc37b_init_(const struct nv50_wimm_func *func, struct nouveau_drm *drm, 69 s32 oclass, struct nv50_wndw *wndw) 70 { 71 struct nvc37b_window_imm_channel_dma_v0 args = { 72 .pushbuf = 0xb0007b00 | wndw->id, 73 .index = wndw->id, 74 }; 75 struct nv50_disp *disp = nv50_disp(drm->dev); 76 int ret; 77 78 ret = nv50_dmac_create(&drm->client.device, &disp->disp->object, 79 &oclass, 0, &args, sizeof(args), 0, 80 &wndw->wimm); 81 if (ret) { 82 NV_ERROR(drm, "wimm%04x allocation failed: %d\n", oclass, ret); 83 return ret; 84 } 85 86 wndw->interlock.wimm = wndw->interlock.data; 87 wndw->immd = func; 88 return 0; 89 } 90 91 int 92 wimmc37b_init(struct nouveau_drm *drm, s32 oclass, struct nv50_wndw *wndw) 93 { 94 return wimmc37b_init_(&wimmc37b, drm, oclass, wndw); 95 } 96