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 28 static void 29 wimmc37b_update(struct nv50_wndw *wndw, u32 *interlock) 30 { 31 u32 *push; 32 if ((push = evo_wait(&wndw->wimm, 2))) { 33 evo_mthd(push, 0x0200, 1); 34 if (interlock[NV50_DISP_INTERLOCK_WNDW] & wndw->interlock.data) 35 evo_data(push, 0x00000003); 36 else 37 evo_data(push, 0x00000001); 38 evo_kick(push, &wndw->wimm); 39 } 40 } 41 42 static void 43 wimmc37b_point(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw) 44 { 45 u32 *push; 46 if ((push = evo_wait(&wndw->wimm, 2))) { 47 evo_mthd(push, 0x0208, 1); 48 evo_data(push, asyw->point.y << 16 | asyw->point.x); 49 evo_kick(push, &wndw->wimm); 50 } 51 } 52 53 static const struct nv50_wimm_func 54 wimmc37b = { 55 .point = wimmc37b_point, 56 .update = wimmc37b_update, 57 }; 58 59 static int 60 wimmc37b_init_(const struct nv50_wimm_func *func, struct nouveau_drm *drm, 61 s32 oclass, struct nv50_wndw *wndw) 62 { 63 struct nvc37b_window_imm_channel_dma_v0 args = { 64 .pushbuf = 0xb0007b00 | wndw->id, 65 .index = wndw->id, 66 }; 67 struct nv50_disp *disp = nv50_disp(drm->dev); 68 int ret; 69 70 ret = nv50_dmac_create(&drm->client.device, &disp->disp->object, 71 &oclass, 0, &args, sizeof(args), 0, 72 &wndw->wimm); 73 if (ret) { 74 NV_ERROR(drm, "wimm%04x allocation failed: %d\n", oclass, ret); 75 return ret; 76 } 77 78 wndw->interlock.wimm = wndw->interlock.data; 79 wndw->immd = func; 80 return 0; 81 } 82 83 int 84 wimmc37b_init(struct nouveau_drm *drm, s32 oclass, struct nv50_wndw *wndw) 85 { 86 return wimmc37b_init_(&wimmc37b, drm, oclass, wndw); 87 } 88