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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nv25.c (4714B)


      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
     14nv25_gr_chan = {
     15	.dtor = nv20_gr_chan_dtor,
     16	.init = nv20_gr_chan_init,
     17	.fini = nv20_gr_chan_fini,
     18};
     19
     20static int
     21nv25_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(&nv25_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, 0x3724, 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, 0x035c, 0xffff0000);
     44	nvkm_wo32(chan->inst, 0x03c0, 0x0fff0000);
     45	nvkm_wo32(chan->inst, 0x03c4, 0x0fff0000);
     46	nvkm_wo32(chan->inst, 0x049c, 0x00000101);
     47	nvkm_wo32(chan->inst, 0x04b0, 0x00000111);
     48	nvkm_wo32(chan->inst, 0x04c8, 0x00000080);
     49	nvkm_wo32(chan->inst, 0x04cc, 0xffff0000);
     50	nvkm_wo32(chan->inst, 0x04d0, 0x00000001);
     51	nvkm_wo32(chan->inst, 0x04e4, 0x44400000);
     52	nvkm_wo32(chan->inst, 0x04fc, 0x4b800000);
     53	for (i = 0x0510; i <= 0x051c; i += 4)
     54		nvkm_wo32(chan->inst, i, 0x00030303);
     55	for (i = 0x0530; i <= 0x053c; i += 4)
     56		nvkm_wo32(chan->inst, i, 0x00080000);
     57	for (i = 0x0548; i <= 0x0554; i += 4)
     58		nvkm_wo32(chan->inst, i, 0x01012000);
     59	for (i = 0x0558; i <= 0x0564; i += 4)
     60		nvkm_wo32(chan->inst, i, 0x000105b8);
     61	for (i = 0x0568; i <= 0x0574; i += 4)
     62		nvkm_wo32(chan->inst, i, 0x00080008);
     63	for (i = 0x0598; i <= 0x05d4; i += 4)
     64		nvkm_wo32(chan->inst, i, 0x07ff0000);
     65	nvkm_wo32(chan->inst, 0x05e0, 0x4b7fffff);
     66	nvkm_wo32(chan->inst, 0x0620, 0x00000080);
     67	nvkm_wo32(chan->inst, 0x0624, 0x30201000);
     68	nvkm_wo32(chan->inst, 0x0628, 0x70605040);
     69	nvkm_wo32(chan->inst, 0x062c, 0xb0a09080);
     70	nvkm_wo32(chan->inst, 0x0630, 0xf0e0d0c0);
     71	nvkm_wo32(chan->inst, 0x0664, 0x00000001);
     72	nvkm_wo32(chan->inst, 0x066c, 0x00004000);
     73	nvkm_wo32(chan->inst, 0x0678, 0x00000001);
     74	nvkm_wo32(chan->inst, 0x0680, 0x00040000);
     75	nvkm_wo32(chan->inst, 0x0684, 0x00010000);
     76	for (i = 0x1b04; i <= 0x2374; i += 16) {
     77		nvkm_wo32(chan->inst, (i + 0), 0x10700ff9);
     78		nvkm_wo32(chan->inst, (i + 4), 0x0436086c);
     79		nvkm_wo32(chan->inst, (i + 8), 0x000c001b);
     80	}
     81	nvkm_wo32(chan->inst, 0x2704, 0x3f800000);
     82	nvkm_wo32(chan->inst, 0x2718, 0x3f800000);
     83	nvkm_wo32(chan->inst, 0x2744, 0x40000000);
     84	nvkm_wo32(chan->inst, 0x2748, 0x3f800000);
     85	nvkm_wo32(chan->inst, 0x274c, 0x3f000000);
     86	nvkm_wo32(chan->inst, 0x2754, 0x40000000);
     87	nvkm_wo32(chan->inst, 0x2758, 0x3f800000);
     88	nvkm_wo32(chan->inst, 0x2760, 0xbf800000);
     89	nvkm_wo32(chan->inst, 0x2768, 0xbf800000);
     90	nvkm_wo32(chan->inst, 0x308c, 0x000fe000);
     91	nvkm_wo32(chan->inst, 0x3108, 0x000003f8);
     92	nvkm_wo32(chan->inst, 0x3468, 0x002fe000);
     93	for (i = 0x3484; i <= 0x34a0; i += 4)
     94		nvkm_wo32(chan->inst, i, 0x001c527c);
     95	nvkm_done(chan->inst);
     96	return 0;
     97}
     98
     99/*******************************************************************************
    100 * PGRAPH engine/subdev functions
    101 ******************************************************************************/
    102
    103static const struct nvkm_gr_func
    104nv25_gr = {
    105	.dtor = nv20_gr_dtor,
    106	.oneinit = nv20_gr_oneinit,
    107	.init = nv20_gr_init,
    108	.intr = nv20_gr_intr,
    109	.tile = nv20_gr_tile,
    110	.chan_new = nv25_gr_chan_new,
    111	.sclass = {
    112		{ -1, -1, 0x0012, &nv04_gr_object }, /* beta1 */
    113		{ -1, -1, 0x0019, &nv04_gr_object }, /* clip */
    114		{ -1, -1, 0x0030, &nv04_gr_object }, /* null */
    115		{ -1, -1, 0x0039, &nv04_gr_object }, /* m2mf */
    116		{ -1, -1, 0x0043, &nv04_gr_object }, /* rop */
    117		{ -1, -1, 0x0044, &nv04_gr_object }, /* patt */
    118		{ -1, -1, 0x004a, &nv04_gr_object }, /* gdi */
    119		{ -1, -1, 0x0062, &nv04_gr_object }, /* surf2d */
    120		{ -1, -1, 0x0072, &nv04_gr_object }, /* beta4 */
    121		{ -1, -1, 0x0089, &nv04_gr_object }, /* sifm */
    122		{ -1, -1, 0x008a, &nv04_gr_object }, /* ifc */
    123		{ -1, -1, 0x0096, &nv04_gr_object }, /* celcius */
    124		{ -1, -1, 0x009e, &nv04_gr_object }, /* swzsurf */
    125		{ -1, -1, 0x009f, &nv04_gr_object }, /* imageblit */
    126		{ -1, -1, 0x0597, &nv04_gr_object }, /* kelvin */
    127		{}
    128	}
    129};
    130
    131int
    132nv25_gr_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_gr **pgr)
    133{
    134	return nv20_gr_new_(&nv25_gr, device, type, inst, pgr);
    135}