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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 "wimm.h"23#include "atom.h"24#include "wndw.h"25 26#include <nvif/if0014.h>27#include <nvif/pushc37b.h>28 29#include <nvhw/class/clc37b.h>30 31static int32wimmc37b_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 46static int47wimmc37b_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 61static const struct nv50_wimm_func62wimmc37b = {63 .point = wimmc37b_point,64 .update = wimmc37b_update,65};66 67static int68wimmc37b_init_(const struct nv50_wimm_func *func, struct nouveau_drm *drm,69 s32 oclass, struct nv50_wndw *wndw)70{71 struct nvif_disp_chan_v0 args = {72 .id = wndw->id,73 };74 int ret;75 76 ret = nv50_dmac_create(drm,77 &oclass, 0, &args, sizeof(args), -1,78 &wndw->wimm);79 if (ret) {80 NV_ERROR(drm, "wimm%04x allocation failed: %d\n", oclass, ret);81 return ret;82 }83 84 wndw->interlock.wimm = wndw->interlock.data;85 wndw->immd = func;86 return 0;87}88 89int90wimmc37b_init(struct nouveau_drm *drm, s32 oclass, struct nv50_wndw *wndw)91{92 return wimmc37b_init_(&wimmc37b, drm, oclass, wndw);93}94