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

basenv50.c (3452B)

      1/*
      2 * Copyright 2012 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 * Authors: Ben Skeggs
     23 */
     24#include "channv50.h"
     25#include "head.h"
     26
     27#include <core/client.h>
     28
     29#include <nvif/cl507c.h>
     30#include <nvif/unpack.h>
     31
     32int
     33nv50_disp_base_new_(const struct nv50_disp_chan_func *func,
     34		    const struct nv50_disp_chan_mthd *mthd,
     35		    struct nv50_disp *disp, int chid,
     36		    const struct nvkm_oclass *oclass, void *argv, u32 argc,
     37		    struct nvkm_object **pobject)
     38{
     39	union {
     40		struct nv50_disp_base_channel_dma_v0 v0;
     41	} *args = argv;
     42	struct nvkm_object *parent = oclass->parent;
     43	int head, ret = -ENOSYS;
     44	u64 push;
     45
     46	nvif_ioctl(parent, "create disp base channel dma size %d\n", argc);
     47	if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, false))) {
     48		nvif_ioctl(parent, "create disp base channel dma vers %d "
     49				   "pushbuf %016llx head %d\n",
     50			   args->v0.version, args->v0.pushbuf, args->v0.head);
     51		if (!nvkm_head_find(&disp->base, args->v0.head))
     52			return -EINVAL;
     53		push = args->v0.pushbuf;
     54		head = args->v0.head;
     55	} else
     56		return ret;
     57
     58	return nv50_disp_dmac_new_(func, mthd, disp, chid + head,
     59				   head, push, oclass, pobject);
     60}
     61
     62static const struct nv50_disp_mthd_list
     63nv50_disp_base_mthd_base = {
     64	.mthd = 0x0000,
     65	.addr = 0x000000,
     66	.data = {
     67		{ 0x0080, 0x000000 },
     68		{ 0x0084, 0x0008c4 },
     69		{ 0x0088, 0x0008d0 },
     70		{ 0x008c, 0x0008dc },
     71		{ 0x0090, 0x0008e4 },
     72		{ 0x0094, 0x610884 },
     73		{ 0x00a0, 0x6108a0 },
     74		{ 0x00a4, 0x610878 },
     75		{ 0x00c0, 0x61086c },
     76		{ 0x00e0, 0x610858 },
     77		{ 0x00e4, 0x610860 },
     78		{ 0x00e8, 0x6108ac },
     79		{ 0x00ec, 0x6108b4 },
     80		{ 0x0100, 0x610894 },
     81		{ 0x0110, 0x6108bc },
     82		{ 0x0114, 0x61088c },
     83		{}
     84	}
     85};
     86
     87const struct nv50_disp_mthd_list
     88nv50_disp_base_mthd_image = {
     89	.mthd = 0x0400,
     90	.addr = 0x000000,
     91	.data = {
     92		{ 0x0800, 0x6108f0 },
     93		{ 0x0804, 0x6108fc },
     94		{ 0x0808, 0x61090c },
     95		{ 0x080c, 0x610914 },
     96		{ 0x0810, 0x610904 },
     97		{}
     98	}
     99};
    100
    101static const struct nv50_disp_chan_mthd
    102nv50_disp_base_mthd = {
    103	.name = "Base",
    104	.addr = 0x000540,
    105	.prev = 0x000004,
    106	.data = {
    107		{ "Global", 1, &nv50_disp_base_mthd_base },
    108		{  "Image", 2, &nv50_disp_base_mthd_image },
    109		{}
    110	}
    111};
    112
    113int
    114nv50_disp_base_new(const struct nvkm_oclass *oclass, void *argv, u32 argc,
    115		   struct nv50_disp *disp, struct nvkm_object **pobject)
    116{
    117	return nv50_disp_base_new_(&nv50_disp_dmac_func, &nv50_disp_base_mthd,
    118				   disp, 1, oclass, argv, argc, pobject);
    119}