cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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nv2a.c (4336B)


      1// SPDX-License-Identifier: MIT
      2#include "nv20.h"
      3#include "regs.h"
      4
      5#include <core/gpuobj.h>
      6#include <engine/fifo.h>
      7#include <engine/fifo/chan.h>
      8
      9/*******************************************************************************
     10 * PGRAPH context
     11 ******************************************************************************/
     12
     13static const struct nvkm_object_func
     14nv2a_gr_chan = {
     15	.dtor = nv20_gr_chan_dtor,
     16	.init = nv20_gr_chan_init,
     17	.fini = nv20_gr_chan_fini,
     18};
     19
     20static int
     21nv2a_gr_chan_new(struct nvkm_gr *base, struct nvkm_fifo_chan *fifoch,
     22		 const struct nvkm_oclass *oclass, struct nvkm_object **pobject)
     23{
     24	struct nv20_gr *gr = nv20_gr(base);
     25	struct nv20_gr_chan *chan;
     26	int ret, i;
     27
     28	if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL)))
     29		return -ENOMEM;
     30	nvkm_object_ctor(&nv2a_gr_chan, oclass, &chan->object);
     31	chan->gr = gr;
     32	chan->chid = fifoch->chid;
     33	*pobject = &chan->object;
     34
     35	ret = nvkm_memory_new(gr->base.engine.subdev.device,
     36			      NVKM_MEM_TARGET_INST, 0x36b0, 16, true,
     37			      &chan->inst);
     38	if (ret)
     39		return ret;
     40
     41	nvkm_kmap(chan->inst);
     42	nvkm_wo32(chan->inst, 0x0000, 0x00000001 | (chan->chid << 24));
     43	nvkm_wo32(chan->inst, 0x033c, 0xffff0000);
     44	nvkm_wo32(chan->inst, 0x03a0, 0x0fff0000);
     45	nvkm_wo32(chan->inst, 0x03a4, 0x0fff0000);
     46	nvkm_wo32(chan->inst, 0x047c, 0x00000101);
     47	nvkm_wo32(chan->inst, 0x0490, 0x00000111);
     48	nvkm_wo32(chan->inst, 0x04a8, 0x44400000);
     49	for (i = 0x04d4; i <= 0x04e0; i += 4)
     50		nvkm_wo32(chan->inst, i, 0x00030303);
     51	for (i = 0x04f4; i <= 0x0500; i += 4)
     52		nvkm_wo32(chan->inst, i, 0x00080000);
     53	for (i = 0x050c; i <= 0x0518; i += 4)
     54		nvkm_wo32(chan->inst, i, 0x01012000);
     55	for (i = 0x051c; i <= 0x0528; i += 4)
     56		nvkm_wo32(chan->inst, i, 0x000105b8);
     57	for (i = 0x052c; i <= 0x0538; i += 4)
     58		nvkm_wo32(chan->inst, i, 0x00080008);
     59	for (i = 0x055c; i <= 0x0598; i += 4)
     60		nvkm_wo32(chan->inst, i, 0x07ff0000);
     61	nvkm_wo32(chan->inst, 0x05a4, 0x4b7fffff);
     62	nvkm_wo32(chan->inst, 0x05fc, 0x00000001);
     63	nvkm_wo32(chan->inst, 0x0604, 0x00004000);
     64	nvkm_wo32(chan->inst, 0x0610, 0x00000001);
     65	nvkm_wo32(chan->inst, 0x0618, 0x00040000);
     66	nvkm_wo32(chan->inst, 0x061c, 0x00010000);
     67	for (i = 0x1a9c; i <= 0x22fc; i += 16) { /*XXX: check!! */
     68		nvkm_wo32(chan->inst, (i + 0), 0x10700ff9);
     69		nvkm_wo32(chan->inst, (i + 4), 0x0436086c);
     70		nvkm_wo32(chan->inst, (i + 8), 0x000c001b);
     71	}
     72	nvkm_wo32(chan->inst, 0x269c, 0x3f800000);
     73	nvkm_wo32(chan->inst, 0x26b0, 0x3f800000);
     74	nvkm_wo32(chan->inst, 0x26dc, 0x40000000);
     75	nvkm_wo32(chan->inst, 0x26e0, 0x3f800000);
     76	nvkm_wo32(chan->inst, 0x26e4, 0x3f000000);
     77	nvkm_wo32(chan->inst, 0x26ec, 0x40000000);
     78	nvkm_wo32(chan->inst, 0x26f0, 0x3f800000);
     79	nvkm_wo32(chan->inst, 0x26f8, 0xbf800000);
     80	nvkm_wo32(chan->inst, 0x2700, 0xbf800000);
     81	nvkm_wo32(chan->inst, 0x3024, 0x000fe000);
     82	nvkm_wo32(chan->inst, 0x30a0, 0x000003f8);
     83	nvkm_wo32(chan->inst, 0x33fc, 0x002fe000);
     84	for (i = 0x341c; i <= 0x3438; i += 4)
     85		nvkm_wo32(chan->inst, i, 0x001c527c);
     86	nvkm_done(chan->inst);
     87	return 0;
     88}
     89
     90/*******************************************************************************
     91 * PGRAPH engine/subdev functions
     92 ******************************************************************************/
     93
     94static const struct nvkm_gr_func
     95nv2a_gr = {
     96	.dtor = nv20_gr_dtor,
     97	.oneinit = nv20_gr_oneinit,
     98	.init = nv20_gr_init,
     99	.intr = nv20_gr_intr,
    100	.tile = nv20_gr_tile,
    101	.chan_new = nv2a_gr_chan_new,
    102	.sclass = {
    103		{ -1, -1, 0x0012, &nv04_gr_object }, /* beta1 */
    104		{ -1, -1, 0x0019, &nv04_gr_object }, /* clip */
    105		{ -1, -1, 0x0030, &nv04_gr_object }, /* null */
    106		{ -1, -1, 0x0039, &nv04_gr_object }, /* m2mf */
    107		{ -1, -1, 0x0043, &nv04_gr_object }, /* rop */
    108		{ -1, -1, 0x0044, &nv04_gr_object }, /* patt */
    109		{ -1, -1, 0x004a, &nv04_gr_object }, /* gdi */
    110		{ -1, -1, 0x0062, &nv04_gr_object }, /* surf2d */
    111		{ -1, -1, 0x0072, &nv04_gr_object }, /* beta4 */
    112		{ -1, -1, 0x0089, &nv04_gr_object }, /* sifm */
    113		{ -1, -1, 0x008a, &nv04_gr_object }, /* ifc */
    114		{ -1, -1, 0x0096, &nv04_gr_object }, /* celcius */
    115		{ -1, -1, 0x009e, &nv04_gr_object }, /* swzsurf */
    116		{ -1, -1, 0x009f, &nv04_gr_object }, /* imageblit */
    117		{ -1, -1, 0x0597, &nv04_gr_object }, /* kelvin */
    118		{}
    119	}
    120};
    121
    122int
    123nv2a_gr_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_gr **pgr)
    124{
    125	return nv20_gr_new_(&nv2a_gr, device, type, inst, pgr);
    126}