cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

corec57d.c (2922B)

      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 "core.h"
     23#include "head.h"
     24
     25#include <nvif/pushc37b.h>
     26
     27#include <nvhw/class/clc57d.h>
     28
     29static int
     30corec57d_init(struct nv50_core *core)
     31{
     32	struct nvif_push *push = core->chan.push;
     33	const u32 windows = 8; /*XXX*/
     34	int ret, i;
     35
     36	if ((ret = PUSH_WAIT(push, 2 + windows * 5)))
     37		return ret;
     38
     39	PUSH_MTHD(push, NVC57D, SET_CONTEXT_DMA_NOTIFIER, core->chan.sync.handle);
     40
     41	for (i = 0; i < windows; i++) {
     42		PUSH_MTHD(push, NVC57D, WINDOW_SET_WINDOW_FORMAT_USAGE_BOUNDS(i),
     43			  NVDEF(NVC57D, WINDOW_SET_WINDOW_FORMAT_USAGE_BOUNDS, RGB_PACKED1BPP, TRUE) |
     44			  NVDEF(NVC57D, WINDOW_SET_WINDOW_FORMAT_USAGE_BOUNDS, RGB_PACKED2BPP, TRUE) |
     45			  NVDEF(NVC57D, WINDOW_SET_WINDOW_FORMAT_USAGE_BOUNDS, RGB_PACKED4BPP, TRUE) |
     46			  NVDEF(NVC57D, WINDOW_SET_WINDOW_FORMAT_USAGE_BOUNDS, RGB_PACKED8BPP, TRUE),
     47
     48					WINDOW_SET_WINDOW_ROTATED_FORMAT_USAGE_BOUNDS(i), 0x00000000);
     49
     50		PUSH_MTHD(push, NVC57D, WINDOW_SET_WINDOW_USAGE_BOUNDS(i),
     51			  NVVAL(NVC57D, WINDOW_SET_WINDOW_USAGE_BOUNDS, MAX_PIXELS_FETCHED_PER_LINE, 0x7fff) |
     52			  NVDEF(NVC57D, WINDOW_SET_WINDOW_USAGE_BOUNDS, ILUT_ALLOWED, TRUE) |
     53			  NVDEF(NVC57D, WINDOW_SET_WINDOW_USAGE_BOUNDS, INPUT_SCALER_TAPS, TAPS_2) |
     54			  NVDEF(NVC57D, WINDOW_SET_WINDOW_USAGE_BOUNDS, UPSCALING_ALLOWED, FALSE));
     55	}
     56
     57	core->assign_windows = true;
     58	return PUSH_KICK(push);
     59}
     60
     61static const struct nv50_core_func
     62corec57d = {
     63	.init = corec57d_init,
     64	.ntfy_init = corec37d_ntfy_init,
     65	.caps_init = corec37d_caps_init,
     66	.ntfy_wait_done = corec37d_ntfy_wait_done,
     67	.update = corec37d_update,
     68	.wndw.owner = corec37d_wndw_owner,
     69	.head = &headc57d,
     70	.sor = &sorc37d,
     71#if IS_ENABLED(CONFIG_DEBUG_FS)
     72	.crc = &crcc57d,
     73#endif
     74};
     75
     76int
     77corec57d_new(struct nouveau_drm *drm, s32 oclass, struct nv50_core **pcore)
     78{
     79	return core507d_new_(&corec57d, drm, oclass, pcore);
     80}