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

ovly827e.c (3966B)


      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 "ovly.h"
     23#include "atom.h"
     24
     25#include <nouveau_bo.h>
     26
     27#include <nvif/push507c.h>
     28#include <nvif/timer.h>
     29
     30#include <nvhw/class/cl827e.h>
     31
     32static int
     33ovly827e_image_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
     34{
     35	struct nvif_push *push = wndw->wndw.push;
     36	int ret;
     37
     38	if ((ret = PUSH_WAIT(push, 12)))
     39		return ret;
     40
     41	PUSH_MTHD(push, NV827E, SET_PRESENT_CONTROL,
     42		  NVDEF(NV827E, SET_PRESENT_CONTROL, BEGIN_MODE, ASAP) |
     43		  NVVAL(NV827E, SET_PRESENT_CONTROL, MIN_PRESENT_INTERVAL, asyw->image.interval));
     44
     45	PUSH_MTHD(push, NV827E, SET_CONTEXT_DMA_ISO, asyw->image.handle[0]);
     46
     47	PUSH_MTHD(push, NV827E, SET_COMPOSITION_CONTROL,
     48		  NVDEF(NV827E, SET_COMPOSITION_CONTROL, MODE, OPAQUE_SUSPEND_BASE));
     49
     50	PUSH_MTHD(push, NV827E, SURFACE_SET_OFFSET, asyw->image.offset[0] >> 8);
     51
     52	PUSH_MTHD(push, NV827E, SURFACE_SET_SIZE,
     53		  NVVAL(NV827E, SURFACE_SET_SIZE, WIDTH, asyw->image.w) |
     54		  NVVAL(NV827E, SURFACE_SET_SIZE, HEIGHT, asyw->image.h),
     55
     56				SURFACE_SET_STORAGE,
     57		  NVVAL(NV827E, SURFACE_SET_STORAGE, BLOCK_HEIGHT, asyw->image.blockh) |
     58		  NVVAL(NV827E, SURFACE_SET_STORAGE, PITCH, (asyw->image.pitch[0] >> 8)) |
     59		  NVVAL(NV827E, SURFACE_SET_STORAGE, PITCH, asyw->image.blocks[0]) |
     60		  NVVAL(NV827E, SURFACE_SET_STORAGE, MEMORY_LAYOUT, asyw->image.layout),
     61
     62				SURFACE_SET_PARAMS,
     63		  NVVAL(NV827E, SURFACE_SET_PARAMS, FORMAT, asyw->image.format) |
     64		  NVVAL(NV827E, SURFACE_SET_PARAMS, COLOR_SPACE, asyw->image.colorspace));
     65	return 0;
     66}
     67
     68int
     69ovly827e_ntfy_wait_begun(struct nouveau_bo *bo, u32 offset,
     70			 struct nvif_device *device)
     71{
     72	s64 time = nvif_msec(device, 2000ULL,
     73		if (NVBO_TD32(bo, offset, NV_DISP_NOTIFICATION_1, _3, STATUS, ==, BEGUN))
     74			break;
     75		usleep_range(1, 2);
     76	);
     77	return time < 0 ? time : 0;
     78}
     79
     80void
     81ovly827e_ntfy_reset(struct nouveau_bo *bo, u32 offset)
     82{
     83	NVBO_WR32(bo, offset, NV_DISP_NOTIFICATION_1, TIME_STAMP_0, 0);
     84	NVBO_WR32(bo, offset, NV_DISP_NOTIFICATION_1, TIME_STAMP_1, 0);
     85	NVBO_WR32(bo, offset, NV_DISP_NOTIFICATION_1, _2, 0);
     86	NVBO_WR32(bo, offset, NV_DISP_NOTIFICATION_1, _3,
     87			NVDEF(NV_DISP_NOTIFICATION_1, _3, STATUS, NOT_BEGUN));
     88}
     89
     90static const struct nv50_wndw_func
     91ovly827e = {
     92	.acquire = ovly507e_acquire,
     93	.release = ovly507e_release,
     94	.ntfy_set = base507c_ntfy_set,
     95	.ntfy_clr = base507c_ntfy_clr,
     96	.ntfy_reset = ovly827e_ntfy_reset,
     97	.ntfy_wait_begun = ovly827e_ntfy_wait_begun,
     98	.image_set = ovly827e_image_set,
     99	.image_clr = base507c_image_clr,
    100	.scale_set = ovly507e_scale_set,
    101	.update = base507c_update,
    102};
    103
    104const u32
    105ovly827e_format[] = {
    106	DRM_FORMAT_YUYV,
    107	DRM_FORMAT_UYVY,
    108	DRM_FORMAT_XRGB8888,
    109	DRM_FORMAT_XRGB1555,
    110	DRM_FORMAT_XBGR2101010,
    111	0
    112};
    113
    114int
    115ovly827e_new(struct nouveau_drm *drm, int head, s32 oclass,
    116	     struct nv50_wndw **pwndw)
    117{
    118	return ovly507e_new_(&ovly827e, ovly827e_format, drm, head, oclass,
    119			     0x00000004 << (head * 8), pwndw);
    120}