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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nv34.c (4817B)


      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
     14nv34_gr_chan = {
     15	.dtor = nv20_gr_chan_dtor,
     16	.init = nv20_gr_chan_init,
     17	.fini = nv20_gr_chan_fini,
     18};
     19
     20static int
     21nv34_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(&nv34_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, 0x46dc, 16, true,
     37			      &chan->inst);
     38	if (ret)
     39		return ret;
     40
     41	nvkm_kmap(chan->inst);
     42	nvkm_wo32(chan->inst, 0x0028, 0x00000001 | (chan->chid << 24));
     43	nvkm_wo32(chan->inst, 0x040c, 0x01000101);
     44	nvkm_wo32(chan->inst, 0x0420, 0x00000111);
     45	nvkm_wo32(chan->inst, 0x0424, 0x00000060);
     46	nvkm_wo32(chan->inst, 0x0440, 0x00000080);
     47	nvkm_wo32(chan->inst, 0x0444, 0xffff0000);
     48	nvkm_wo32(chan->inst, 0x0448, 0x00000001);
     49	nvkm_wo32(chan->inst, 0x045c, 0x44400000);
     50	nvkm_wo32(chan->inst, 0x0480, 0xffff0000);
     51	for (i = 0x04d4; i < 0x04dc; i += 4)
     52		nvkm_wo32(chan->inst, i, 0x0fff0000);
     53	nvkm_wo32(chan->inst, 0x04e0, 0x00011100);
     54	for (i = 0x04fc; i < 0x053c; i += 4)
     55		nvkm_wo32(chan->inst, i, 0x07ff0000);
     56	nvkm_wo32(chan->inst, 0x0544, 0x4b7fffff);
     57	nvkm_wo32(chan->inst, 0x057c, 0x00000080);
     58	nvkm_wo32(chan->inst, 0x0580, 0x30201000);
     59	nvkm_wo32(chan->inst, 0x0584, 0x70605040);
     60	nvkm_wo32(chan->inst, 0x0588, 0xb8a89888);
     61	nvkm_wo32(chan->inst, 0x058c, 0xf8e8d8c8);
     62	nvkm_wo32(chan->inst, 0x05a0, 0xb0000000);
     63	for (i = 0x05f0; i < 0x0630; i += 4)
     64		nvkm_wo32(chan->inst, i, 0x00010588);
     65	for (i = 0x0630; i < 0x0670; i += 4)
     66		nvkm_wo32(chan->inst, i, 0x00030303);
     67	for (i = 0x06b0; i < 0x06f0; i += 4)
     68		nvkm_wo32(chan->inst, i, 0x0008aae4);
     69	for (i = 0x06f0; i < 0x0730; i += 4)
     70		nvkm_wo32(chan->inst, i, 0x01012000);
     71	for (i = 0x0730; i < 0x0770; i += 4)
     72		nvkm_wo32(chan->inst, i, 0x00080008);
     73	nvkm_wo32(chan->inst, 0x0850, 0x00040000);
     74	nvkm_wo32(chan->inst, 0x0854, 0x00010000);
     75	for (i = 0x0858; i < 0x0868; i += 4)
     76		nvkm_wo32(chan->inst, i, 0x00040004);
     77	for (i = 0x15ac; i <= 0x271c ; i += 16) {
     78		nvkm_wo32(chan->inst, i + 0, 0x10700ff9);
     79		nvkm_wo32(chan->inst, i + 4, 0x0436086c);
     80		nvkm_wo32(chan->inst, i + 8, 0x000c001b);
     81	}
     82	for (i = 0x274c; i < 0x275c; i += 4)
     83		nvkm_wo32(chan->inst, i, 0x0000ffff);
     84	nvkm_wo32(chan->inst, 0x2ae0, 0x3f800000);
     85	nvkm_wo32(chan->inst, 0x2e9c, 0x3f800000);
     86	nvkm_wo32(chan->inst, 0x2eb0, 0x3f800000);
     87	nvkm_wo32(chan->inst, 0x2edc, 0x40000000);
     88	nvkm_wo32(chan->inst, 0x2ee0, 0x3f800000);
     89	nvkm_wo32(chan->inst, 0x2ee4, 0x3f000000);
     90	nvkm_wo32(chan->inst, 0x2eec, 0x40000000);
     91	nvkm_wo32(chan->inst, 0x2ef0, 0x3f800000);
     92	nvkm_wo32(chan->inst, 0x2ef8, 0xbf800000);
     93	nvkm_wo32(chan->inst, 0x2f00, 0xbf800000);
     94	nvkm_done(chan->inst);
     95	return 0;
     96}
     97
     98/*******************************************************************************
     99 * PGRAPH engine/subdev functions
    100 ******************************************************************************/
    101
    102static const struct nvkm_gr_func
    103nv34_gr = {
    104	.dtor = nv20_gr_dtor,
    105	.oneinit = nv20_gr_oneinit,
    106	.init = nv30_gr_init,
    107	.intr = nv20_gr_intr,
    108	.tile = nv20_gr_tile,
    109	.chan_new = nv34_gr_chan_new,
    110	.sclass = {
    111		{ -1, -1, 0x0012, &nv04_gr_object }, /* beta1 */
    112		{ -1, -1, 0x0019, &nv04_gr_object }, /* clip */
    113		{ -1, -1, 0x0030, &nv04_gr_object }, /* null */
    114		{ -1, -1, 0x0039, &nv04_gr_object }, /* m2mf */
    115		{ -1, -1, 0x0043, &nv04_gr_object }, /* rop */
    116		{ -1, -1, 0x0044, &nv04_gr_object }, /* patt */
    117		{ -1, -1, 0x004a, &nv04_gr_object }, /* gdi */
    118		{ -1, -1, 0x0062, &nv04_gr_object }, /* surf2d */
    119		{ -1, -1, 0x0072, &nv04_gr_object }, /* beta4 */
    120		{ -1, -1, 0x0089, &nv04_gr_object }, /* sifm */
    121		{ -1, -1, 0x008a, &nv04_gr_object }, /* ifc */
    122		{ -1, -1, 0x009f, &nv04_gr_object }, /* imageblit */
    123		{ -1, -1, 0x0362, &nv04_gr_object }, /* surf2d (nv30) */
    124		{ -1, -1, 0x0389, &nv04_gr_object }, /* sifm (nv30) */
    125		{ -1, -1, 0x038a, &nv04_gr_object }, /* ifc (nv30) */
    126		{ -1, -1, 0x039e, &nv04_gr_object }, /* swzsurf (nv30) */
    127		{ -1, -1, 0x0597, &nv04_gr_object }, /* kelvin */
    128		{ -1, -1, 0x0697, &nv04_gr_object }, /* rankine */
    129		{}
    130	}
    131};
    132
    133int
    134nv34_gr_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_gr **pgr)
    135{
    136	return nv20_gr_new_(&nv34_gr, device, type, inst, pgr);
    137}