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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nv30.c (7201B)


      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#include <subdev/fb.h>
      9
     10/*******************************************************************************
     11 * PGRAPH context
     12 ******************************************************************************/
     13
     14static const struct nvkm_object_func
     15nv30_gr_chan = {
     16	.dtor = nv20_gr_chan_dtor,
     17	.init = nv20_gr_chan_init,
     18	.fini = nv20_gr_chan_fini,
     19};
     20
     21static int
     22nv30_gr_chan_new(struct nvkm_gr *base, struct nvkm_fifo_chan *fifoch,
     23		 const struct nvkm_oclass *oclass, struct nvkm_object **pobject)
     24{
     25	struct nv20_gr *gr = nv20_gr(base);
     26	struct nv20_gr_chan *chan;
     27	int ret, i;
     28
     29	if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL)))
     30		return -ENOMEM;
     31	nvkm_object_ctor(&nv30_gr_chan, oclass, &chan->object);
     32	chan->gr = gr;
     33	chan->chid = fifoch->chid;
     34	*pobject = &chan->object;
     35
     36	ret = nvkm_memory_new(gr->base.engine.subdev.device,
     37			      NVKM_MEM_TARGET_INST, 0x5f48, 16, true,
     38			      &chan->inst);
     39	if (ret)
     40		return ret;
     41
     42	nvkm_kmap(chan->inst);
     43	nvkm_wo32(chan->inst, 0x0028, 0x00000001 | (chan->chid << 24));
     44	nvkm_wo32(chan->inst, 0x0410, 0x00000101);
     45	nvkm_wo32(chan->inst, 0x0424, 0x00000111);
     46	nvkm_wo32(chan->inst, 0x0428, 0x00000060);
     47	nvkm_wo32(chan->inst, 0x0444, 0x00000080);
     48	nvkm_wo32(chan->inst, 0x0448, 0xffff0000);
     49	nvkm_wo32(chan->inst, 0x044c, 0x00000001);
     50	nvkm_wo32(chan->inst, 0x0460, 0x44400000);
     51	nvkm_wo32(chan->inst, 0x048c, 0xffff0000);
     52	for (i = 0x04e0; i < 0x04e8; i += 4)
     53		nvkm_wo32(chan->inst, i, 0x0fff0000);
     54	nvkm_wo32(chan->inst, 0x04ec, 0x00011100);
     55	for (i = 0x0508; i < 0x0548; i += 4)
     56		nvkm_wo32(chan->inst, i, 0x07ff0000);
     57	nvkm_wo32(chan->inst, 0x0550, 0x4b7fffff);
     58	nvkm_wo32(chan->inst, 0x058c, 0x00000080);
     59	nvkm_wo32(chan->inst, 0x0590, 0x30201000);
     60	nvkm_wo32(chan->inst, 0x0594, 0x70605040);
     61	nvkm_wo32(chan->inst, 0x0598, 0xb8a89888);
     62	nvkm_wo32(chan->inst, 0x059c, 0xf8e8d8c8);
     63	nvkm_wo32(chan->inst, 0x05b0, 0xb0000000);
     64	for (i = 0x0600; i < 0x0640; i += 4)
     65		nvkm_wo32(chan->inst, i, 0x00010588);
     66	for (i = 0x0640; i < 0x0680; i += 4)
     67		nvkm_wo32(chan->inst, i, 0x00030303);
     68	for (i = 0x06c0; i < 0x0700; i += 4)
     69		nvkm_wo32(chan->inst, i, 0x0008aae4);
     70	for (i = 0x0700; i < 0x0740; i += 4)
     71		nvkm_wo32(chan->inst, i, 0x01012000);
     72	for (i = 0x0740; i < 0x0780; i += 4)
     73		nvkm_wo32(chan->inst, i, 0x00080008);
     74	nvkm_wo32(chan->inst, 0x085c, 0x00040000);
     75	nvkm_wo32(chan->inst, 0x0860, 0x00010000);
     76	for (i = 0x0864; i < 0x0874; i += 4)
     77		nvkm_wo32(chan->inst, i, 0x00040004);
     78	for (i = 0x1f18; i <= 0x3088 ; i += 16) {
     79		nvkm_wo32(chan->inst, i + 0, 0x10700ff9);
     80		nvkm_wo32(chan->inst, i + 4, 0x0436086c);
     81		nvkm_wo32(chan->inst, i + 8, 0x000c001b);
     82	}
     83	for (i = 0x30b8; i < 0x30c8; i += 4)
     84		nvkm_wo32(chan->inst, i, 0x0000ffff);
     85	nvkm_wo32(chan->inst, 0x344c, 0x3f800000);
     86	nvkm_wo32(chan->inst, 0x3808, 0x3f800000);
     87	nvkm_wo32(chan->inst, 0x381c, 0x3f800000);
     88	nvkm_wo32(chan->inst, 0x3848, 0x40000000);
     89	nvkm_wo32(chan->inst, 0x384c, 0x3f800000);
     90	nvkm_wo32(chan->inst, 0x3850, 0x3f000000);
     91	nvkm_wo32(chan->inst, 0x3858, 0x40000000);
     92	nvkm_wo32(chan->inst, 0x385c, 0x3f800000);
     93	nvkm_wo32(chan->inst, 0x3864, 0xbf800000);
     94	nvkm_wo32(chan->inst, 0x386c, 0xbf800000);
     95	nvkm_done(chan->inst);
     96	return 0;
     97}
     98
     99/*******************************************************************************
    100 * PGRAPH engine/subdev functions
    101 ******************************************************************************/
    102
    103int
    104nv30_gr_init(struct nvkm_gr *base)
    105{
    106	struct nv20_gr *gr = nv20_gr(base);
    107	struct nvkm_device *device = gr->base.engine.subdev.device;
    108
    109	nvkm_wr32(device, NV20_PGRAPH_CHANNEL_CTX_TABLE,
    110			  nvkm_memory_addr(gr->ctxtab) >> 4);
    111
    112	nvkm_wr32(device, NV03_PGRAPH_INTR   , 0xFFFFFFFF);
    113	nvkm_wr32(device, NV03_PGRAPH_INTR_EN, 0xFFFFFFFF);
    114
    115	nvkm_wr32(device, NV04_PGRAPH_DEBUG_0, 0xFFFFFFFF);
    116	nvkm_wr32(device, NV04_PGRAPH_DEBUG_0, 0x00000000);
    117	nvkm_wr32(device, NV04_PGRAPH_DEBUG_1, 0x401287c0);
    118	nvkm_wr32(device, 0x400890, 0x01b463ff);
    119	nvkm_wr32(device, NV04_PGRAPH_DEBUG_3, 0xf2de0475);
    120	nvkm_wr32(device, NV10_PGRAPH_DEBUG_4, 0x00008000);
    121	nvkm_wr32(device, NV04_PGRAPH_LIMIT_VIOL_PIX, 0xf04bdff6);
    122	nvkm_wr32(device, 0x400B80, 0x1003d888);
    123	nvkm_wr32(device, 0x400B84, 0x0c000000);
    124	nvkm_wr32(device, 0x400098, 0x00000000);
    125	nvkm_wr32(device, 0x40009C, 0x0005ad00);
    126	nvkm_wr32(device, 0x400B88, 0x62ff00ff); /* suspiciously like PGRAPH_DEBUG_2 */
    127	nvkm_wr32(device, 0x4000a0, 0x00000000);
    128	nvkm_wr32(device, 0x4000a4, 0x00000008);
    129	nvkm_wr32(device, 0x4008a8, 0xb784a400);
    130	nvkm_wr32(device, 0x400ba0, 0x002f8685);
    131	nvkm_wr32(device, 0x400ba4, 0x00231f3f);
    132	nvkm_wr32(device, 0x4008a4, 0x40000020);
    133
    134	if (device->chipset == 0x34) {
    135		nvkm_wr32(device, NV10_PGRAPH_RDI_INDEX, 0x00EA0004);
    136		nvkm_wr32(device, NV10_PGRAPH_RDI_DATA , 0x00200201);
    137		nvkm_wr32(device, NV10_PGRAPH_RDI_INDEX, 0x00EA0008);
    138		nvkm_wr32(device, NV10_PGRAPH_RDI_DATA , 0x00000008);
    139		nvkm_wr32(device, NV10_PGRAPH_RDI_INDEX, 0x00EA0000);
    140		nvkm_wr32(device, NV10_PGRAPH_RDI_DATA , 0x00000032);
    141		nvkm_wr32(device, NV10_PGRAPH_RDI_INDEX, 0x00E00004);
    142		nvkm_wr32(device, NV10_PGRAPH_RDI_DATA , 0x00000002);
    143	}
    144
    145	nvkm_wr32(device, 0x4000c0, 0x00000016);
    146
    147	nvkm_wr32(device, NV10_PGRAPH_CTX_CONTROL, 0x10000100);
    148	nvkm_wr32(device, NV10_PGRAPH_STATE      , 0xFFFFFFFF);
    149	nvkm_wr32(device, 0x0040075c             , 0x00000001);
    150
    151	/* begin RAM config */
    152	/* vramsz = pci_resource_len(gr->dev->pdev, 1) - 1; */
    153	nvkm_wr32(device, 0x4009A4, nvkm_rd32(device, 0x100200));
    154	nvkm_wr32(device, 0x4009A8, nvkm_rd32(device, 0x100204));
    155	if (device->chipset != 0x34) {
    156		nvkm_wr32(device, 0x400750, 0x00EA0000);
    157		nvkm_wr32(device, 0x400754, nvkm_rd32(device, 0x100200));
    158		nvkm_wr32(device, 0x400750, 0x00EA0004);
    159		nvkm_wr32(device, 0x400754, nvkm_rd32(device, 0x100204));
    160	}
    161
    162	return 0;
    163}
    164
    165static const struct nvkm_gr_func
    166nv30_gr = {
    167	.dtor = nv20_gr_dtor,
    168	.oneinit = nv20_gr_oneinit,
    169	.init = nv30_gr_init,
    170	.intr = nv20_gr_intr,
    171	.tile = nv20_gr_tile,
    172	.chan_new = nv30_gr_chan_new,
    173	.sclass = {
    174		{ -1, -1, 0x0012, &nv04_gr_object }, /* beta1 */
    175		{ -1, -1, 0x0019, &nv04_gr_object }, /* clip */
    176		{ -1, -1, 0x0030, &nv04_gr_object }, /* null */
    177		{ -1, -1, 0x0039, &nv04_gr_object }, /* m2mf */
    178		{ -1, -1, 0x0043, &nv04_gr_object }, /* rop */
    179		{ -1, -1, 0x0044, &nv04_gr_object }, /* patt */
    180		{ -1, -1, 0x004a, &nv04_gr_object }, /* gdi */
    181		{ -1, -1, 0x0062, &nv04_gr_object }, /* surf2d */
    182		{ -1, -1, 0x0072, &nv04_gr_object }, /* beta4 */
    183		{ -1, -1, 0x0089, &nv04_gr_object }, /* sifm */
    184		{ -1, -1, 0x008a, &nv04_gr_object }, /* ifc */
    185		{ -1, -1, 0x009f, &nv04_gr_object }, /* imageblit */
    186		{ -1, -1, 0x0362, &nv04_gr_object }, /* surf2d (nv30) */
    187		{ -1, -1, 0x0389, &nv04_gr_object }, /* sifm (nv30) */
    188		{ -1, -1, 0x038a, &nv04_gr_object }, /* ifc (nv30) */
    189		{ -1, -1, 0x039e, &nv04_gr_object }, /* swzsurf (nv30) */
    190		{ -1, -1, 0x0397, &nv04_gr_object }, /* rankine */
    191		{ -1, -1, 0x0597, &nv04_gr_object }, /* kelvin */
    192		{}
    193	}
    194};
    195
    196int
    197nv30_gr_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_gr **pgr)
    198{
    199	return nv20_gr_new_(&nv30_gr, device, type, inst, pgr);
    200}