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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nv10.c (33606B)


      1/*
      2 * Copyright 2007 Matthieu CASTET <castet.matthieu@free.fr>
      3 * All Rights Reserved.
      4 *
      5 * Permission is hereby granted, free of charge, to any person obtaining a
      6 * copy of this software and associated documentation files (the "Software"),
      7 * to deal in the Software without restriction, including without limitation
      8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      9 * and/or sell copies of the Software, and to permit persons to whom the
     10 * Software is furnished to do so, subject to the following conditions:
     11 *
     12 * The above copyright notice and this permission notice (including the next
     13 * paragr) shall be included in all copies or substantial portions of the
     14 * Software.
     15 *
     16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     19 * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
     20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
     22 * DEALINGS IN THE SOFTWARE.
     23 */
     24#include "nv10.h"
     25#include "regs.h"
     26
     27#include <core/client.h>
     28#include <core/gpuobj.h>
     29#include <engine/fifo.h>
     30#include <engine/fifo/chan.h>
     31#include <subdev/fb.h>
     32
     33struct pipe_state {
     34	u32 pipe_0x0000[0x040/4];
     35	u32 pipe_0x0040[0x010/4];
     36	u32 pipe_0x0200[0x0c0/4];
     37	u32 pipe_0x4400[0x080/4];
     38	u32 pipe_0x6400[0x3b0/4];
     39	u32 pipe_0x6800[0x2f0/4];
     40	u32 pipe_0x6c00[0x030/4];
     41	u32 pipe_0x7000[0x130/4];
     42	u32 pipe_0x7400[0x0c0/4];
     43	u32 pipe_0x7800[0x0c0/4];
     44};
     45
     46static int nv10_gr_ctx_regs[] = {
     47	NV10_PGRAPH_CTX_SWITCH(0),
     48	NV10_PGRAPH_CTX_SWITCH(1),
     49	NV10_PGRAPH_CTX_SWITCH(2),
     50	NV10_PGRAPH_CTX_SWITCH(3),
     51	NV10_PGRAPH_CTX_SWITCH(4),
     52	NV10_PGRAPH_CTX_CACHE(0, 0),
     53	NV10_PGRAPH_CTX_CACHE(0, 1),
     54	NV10_PGRAPH_CTX_CACHE(0, 2),
     55	NV10_PGRAPH_CTX_CACHE(0, 3),
     56	NV10_PGRAPH_CTX_CACHE(0, 4),
     57	NV10_PGRAPH_CTX_CACHE(1, 0),
     58	NV10_PGRAPH_CTX_CACHE(1, 1),
     59	NV10_PGRAPH_CTX_CACHE(1, 2),
     60	NV10_PGRAPH_CTX_CACHE(1, 3),
     61	NV10_PGRAPH_CTX_CACHE(1, 4),
     62	NV10_PGRAPH_CTX_CACHE(2, 0),
     63	NV10_PGRAPH_CTX_CACHE(2, 1),
     64	NV10_PGRAPH_CTX_CACHE(2, 2),
     65	NV10_PGRAPH_CTX_CACHE(2, 3),
     66	NV10_PGRAPH_CTX_CACHE(2, 4),
     67	NV10_PGRAPH_CTX_CACHE(3, 0),
     68	NV10_PGRAPH_CTX_CACHE(3, 1),
     69	NV10_PGRAPH_CTX_CACHE(3, 2),
     70	NV10_PGRAPH_CTX_CACHE(3, 3),
     71	NV10_PGRAPH_CTX_CACHE(3, 4),
     72	NV10_PGRAPH_CTX_CACHE(4, 0),
     73	NV10_PGRAPH_CTX_CACHE(4, 1),
     74	NV10_PGRAPH_CTX_CACHE(4, 2),
     75	NV10_PGRAPH_CTX_CACHE(4, 3),
     76	NV10_PGRAPH_CTX_CACHE(4, 4),
     77	NV10_PGRAPH_CTX_CACHE(5, 0),
     78	NV10_PGRAPH_CTX_CACHE(5, 1),
     79	NV10_PGRAPH_CTX_CACHE(5, 2),
     80	NV10_PGRAPH_CTX_CACHE(5, 3),
     81	NV10_PGRAPH_CTX_CACHE(5, 4),
     82	NV10_PGRAPH_CTX_CACHE(6, 0),
     83	NV10_PGRAPH_CTX_CACHE(6, 1),
     84	NV10_PGRAPH_CTX_CACHE(6, 2),
     85	NV10_PGRAPH_CTX_CACHE(6, 3),
     86	NV10_PGRAPH_CTX_CACHE(6, 4),
     87	NV10_PGRAPH_CTX_CACHE(7, 0),
     88	NV10_PGRAPH_CTX_CACHE(7, 1),
     89	NV10_PGRAPH_CTX_CACHE(7, 2),
     90	NV10_PGRAPH_CTX_CACHE(7, 3),
     91	NV10_PGRAPH_CTX_CACHE(7, 4),
     92	NV10_PGRAPH_CTX_USER,
     93	NV04_PGRAPH_DMA_START_0,
     94	NV04_PGRAPH_DMA_START_1,
     95	NV04_PGRAPH_DMA_LENGTH,
     96	NV04_PGRAPH_DMA_MISC,
     97	NV10_PGRAPH_DMA_PITCH,
     98	NV04_PGRAPH_BOFFSET0,
     99	NV04_PGRAPH_BBASE0,
    100	NV04_PGRAPH_BLIMIT0,
    101	NV04_PGRAPH_BOFFSET1,
    102	NV04_PGRAPH_BBASE1,
    103	NV04_PGRAPH_BLIMIT1,
    104	NV04_PGRAPH_BOFFSET2,
    105	NV04_PGRAPH_BBASE2,
    106	NV04_PGRAPH_BLIMIT2,
    107	NV04_PGRAPH_BOFFSET3,
    108	NV04_PGRAPH_BBASE3,
    109	NV04_PGRAPH_BLIMIT3,
    110	NV04_PGRAPH_BOFFSET4,
    111	NV04_PGRAPH_BBASE4,
    112	NV04_PGRAPH_BLIMIT4,
    113	NV04_PGRAPH_BOFFSET5,
    114	NV04_PGRAPH_BBASE5,
    115	NV04_PGRAPH_BLIMIT5,
    116	NV04_PGRAPH_BPITCH0,
    117	NV04_PGRAPH_BPITCH1,
    118	NV04_PGRAPH_BPITCH2,
    119	NV04_PGRAPH_BPITCH3,
    120	NV04_PGRAPH_BPITCH4,
    121	NV10_PGRAPH_SURFACE,
    122	NV10_PGRAPH_STATE,
    123	NV04_PGRAPH_BSWIZZLE2,
    124	NV04_PGRAPH_BSWIZZLE5,
    125	NV04_PGRAPH_BPIXEL,
    126	NV10_PGRAPH_NOTIFY,
    127	NV04_PGRAPH_PATT_COLOR0,
    128	NV04_PGRAPH_PATT_COLOR1,
    129	NV04_PGRAPH_PATT_COLORRAM, /* 64 values from 0x400900 to 0x4009fc */
    130	0x00400904,
    131	0x00400908,
    132	0x0040090c,
    133	0x00400910,
    134	0x00400914,
    135	0x00400918,
    136	0x0040091c,
    137	0x00400920,
    138	0x00400924,
    139	0x00400928,
    140	0x0040092c,
    141	0x00400930,
    142	0x00400934,
    143	0x00400938,
    144	0x0040093c,
    145	0x00400940,
    146	0x00400944,
    147	0x00400948,
    148	0x0040094c,
    149	0x00400950,
    150	0x00400954,
    151	0x00400958,
    152	0x0040095c,
    153	0x00400960,
    154	0x00400964,
    155	0x00400968,
    156	0x0040096c,
    157	0x00400970,
    158	0x00400974,
    159	0x00400978,
    160	0x0040097c,
    161	0x00400980,
    162	0x00400984,
    163	0x00400988,
    164	0x0040098c,
    165	0x00400990,
    166	0x00400994,
    167	0x00400998,
    168	0x0040099c,
    169	0x004009a0,
    170	0x004009a4,
    171	0x004009a8,
    172	0x004009ac,
    173	0x004009b0,
    174	0x004009b4,
    175	0x004009b8,
    176	0x004009bc,
    177	0x004009c0,
    178	0x004009c4,
    179	0x004009c8,
    180	0x004009cc,
    181	0x004009d0,
    182	0x004009d4,
    183	0x004009d8,
    184	0x004009dc,
    185	0x004009e0,
    186	0x004009e4,
    187	0x004009e8,
    188	0x004009ec,
    189	0x004009f0,
    190	0x004009f4,
    191	0x004009f8,
    192	0x004009fc,
    193	NV04_PGRAPH_PATTERN,	/* 2 values from 0x400808 to 0x40080c */
    194	0x0040080c,
    195	NV04_PGRAPH_PATTERN_SHAPE,
    196	NV03_PGRAPH_MONO_COLOR0,
    197	NV04_PGRAPH_ROP3,
    198	NV04_PGRAPH_CHROMA,
    199	NV04_PGRAPH_BETA_AND,
    200	NV04_PGRAPH_BETA_PREMULT,
    201	0x00400e70,
    202	0x00400e74,
    203	0x00400e78,
    204	0x00400e7c,
    205	0x00400e80,
    206	0x00400e84,
    207	0x00400e88,
    208	0x00400e8c,
    209	0x00400ea0,
    210	0x00400ea4,
    211	0x00400ea8,
    212	0x00400e90,
    213	0x00400e94,
    214	0x00400e98,
    215	0x00400e9c,
    216	NV10_PGRAPH_WINDOWCLIP_HORIZONTAL, /* 8 values from 0x400f00-0x400f1c */
    217	NV10_PGRAPH_WINDOWCLIP_VERTICAL,   /* 8 values from 0x400f20-0x400f3c */
    218	0x00400f04,
    219	0x00400f24,
    220	0x00400f08,
    221	0x00400f28,
    222	0x00400f0c,
    223	0x00400f2c,
    224	0x00400f10,
    225	0x00400f30,
    226	0x00400f14,
    227	0x00400f34,
    228	0x00400f18,
    229	0x00400f38,
    230	0x00400f1c,
    231	0x00400f3c,
    232	NV10_PGRAPH_XFMODE0,
    233	NV10_PGRAPH_XFMODE1,
    234	NV10_PGRAPH_GLOBALSTATE0,
    235	NV10_PGRAPH_GLOBALSTATE1,
    236	NV04_PGRAPH_STORED_FMT,
    237	NV04_PGRAPH_SOURCE_COLOR,
    238	NV03_PGRAPH_ABS_X_RAM,	/* 32 values from 0x400400 to 0x40047c */
    239	NV03_PGRAPH_ABS_Y_RAM,	/* 32 values from 0x400480 to 0x4004fc */
    240	0x00400404,
    241	0x00400484,
    242	0x00400408,
    243	0x00400488,
    244	0x0040040c,
    245	0x0040048c,
    246	0x00400410,
    247	0x00400490,
    248	0x00400414,
    249	0x00400494,
    250	0x00400418,
    251	0x00400498,
    252	0x0040041c,
    253	0x0040049c,
    254	0x00400420,
    255	0x004004a0,
    256	0x00400424,
    257	0x004004a4,
    258	0x00400428,
    259	0x004004a8,
    260	0x0040042c,
    261	0x004004ac,
    262	0x00400430,
    263	0x004004b0,
    264	0x00400434,
    265	0x004004b4,
    266	0x00400438,
    267	0x004004b8,
    268	0x0040043c,
    269	0x004004bc,
    270	0x00400440,
    271	0x004004c0,
    272	0x00400444,
    273	0x004004c4,
    274	0x00400448,
    275	0x004004c8,
    276	0x0040044c,
    277	0x004004cc,
    278	0x00400450,
    279	0x004004d0,
    280	0x00400454,
    281	0x004004d4,
    282	0x00400458,
    283	0x004004d8,
    284	0x0040045c,
    285	0x004004dc,
    286	0x00400460,
    287	0x004004e0,
    288	0x00400464,
    289	0x004004e4,
    290	0x00400468,
    291	0x004004e8,
    292	0x0040046c,
    293	0x004004ec,
    294	0x00400470,
    295	0x004004f0,
    296	0x00400474,
    297	0x004004f4,
    298	0x00400478,
    299	0x004004f8,
    300	0x0040047c,
    301	0x004004fc,
    302	NV03_PGRAPH_ABS_UCLIP_XMIN,
    303	NV03_PGRAPH_ABS_UCLIP_XMAX,
    304	NV03_PGRAPH_ABS_UCLIP_YMIN,
    305	NV03_PGRAPH_ABS_UCLIP_YMAX,
    306	0x00400550,
    307	0x00400558,
    308	0x00400554,
    309	0x0040055c,
    310	NV03_PGRAPH_ABS_UCLIPA_XMIN,
    311	NV03_PGRAPH_ABS_UCLIPA_XMAX,
    312	NV03_PGRAPH_ABS_UCLIPA_YMIN,
    313	NV03_PGRAPH_ABS_UCLIPA_YMAX,
    314	NV03_PGRAPH_ABS_ICLIP_XMAX,
    315	NV03_PGRAPH_ABS_ICLIP_YMAX,
    316	NV03_PGRAPH_XY_LOGIC_MISC0,
    317	NV03_PGRAPH_XY_LOGIC_MISC1,
    318	NV03_PGRAPH_XY_LOGIC_MISC2,
    319	NV03_PGRAPH_XY_LOGIC_MISC3,
    320	NV03_PGRAPH_CLIPX_0,
    321	NV03_PGRAPH_CLIPX_1,
    322	NV03_PGRAPH_CLIPY_0,
    323	NV03_PGRAPH_CLIPY_1,
    324	NV10_PGRAPH_COMBINER0_IN_ALPHA,
    325	NV10_PGRAPH_COMBINER1_IN_ALPHA,
    326	NV10_PGRAPH_COMBINER0_IN_RGB,
    327	NV10_PGRAPH_COMBINER1_IN_RGB,
    328	NV10_PGRAPH_COMBINER_COLOR0,
    329	NV10_PGRAPH_COMBINER_COLOR1,
    330	NV10_PGRAPH_COMBINER0_OUT_ALPHA,
    331	NV10_PGRAPH_COMBINER1_OUT_ALPHA,
    332	NV10_PGRAPH_COMBINER0_OUT_RGB,
    333	NV10_PGRAPH_COMBINER1_OUT_RGB,
    334	NV10_PGRAPH_COMBINER_FINAL0,
    335	NV10_PGRAPH_COMBINER_FINAL1,
    336	0x00400e00,
    337	0x00400e04,
    338	0x00400e08,
    339	0x00400e0c,
    340	0x00400e10,
    341	0x00400e14,
    342	0x00400e18,
    343	0x00400e1c,
    344	0x00400e20,
    345	0x00400e24,
    346	0x00400e28,
    347	0x00400e2c,
    348	0x00400e30,
    349	0x00400e34,
    350	0x00400e38,
    351	0x00400e3c,
    352	NV04_PGRAPH_PASSTHRU_0,
    353	NV04_PGRAPH_PASSTHRU_1,
    354	NV04_PGRAPH_PASSTHRU_2,
    355	NV10_PGRAPH_DIMX_TEXTURE,
    356	NV10_PGRAPH_WDIMX_TEXTURE,
    357	NV10_PGRAPH_DVD_COLORFMT,
    358	NV10_PGRAPH_SCALED_FORMAT,
    359	NV04_PGRAPH_MISC24_0,
    360	NV04_PGRAPH_MISC24_1,
    361	NV04_PGRAPH_MISC24_2,
    362	NV03_PGRAPH_X_MISC,
    363	NV03_PGRAPH_Y_MISC,
    364	NV04_PGRAPH_VALID1,
    365	NV04_PGRAPH_VALID2,
    366};
    367
    368static int nv17_gr_ctx_regs[] = {
    369	NV10_PGRAPH_DEBUG_4,
    370	0x004006b0,
    371	0x00400eac,
    372	0x00400eb0,
    373	0x00400eb4,
    374	0x00400eb8,
    375	0x00400ebc,
    376	0x00400ec0,
    377	0x00400ec4,
    378	0x00400ec8,
    379	0x00400ecc,
    380	0x00400ed0,
    381	0x00400ed4,
    382	0x00400ed8,
    383	0x00400edc,
    384	0x00400ee0,
    385	0x00400a00,
    386	0x00400a04,
    387};
    388
    389#define nv10_gr(p) container_of((p), struct nv10_gr, base)
    390
    391struct nv10_gr {
    392	struct nvkm_gr base;
    393	struct nv10_gr_chan *chan[32];
    394	spinlock_t lock;
    395};
    396
    397#define nv10_gr_chan(p) container_of((p), struct nv10_gr_chan, object)
    398
    399struct nv10_gr_chan {
    400	struct nvkm_object object;
    401	struct nv10_gr *gr;
    402	int chid;
    403	int nv10[ARRAY_SIZE(nv10_gr_ctx_regs)];
    404	int nv17[ARRAY_SIZE(nv17_gr_ctx_regs)];
    405	struct pipe_state pipe_state;
    406	u32 lma_window[4];
    407};
    408
    409
    410/*******************************************************************************
    411 * Graphics object classes
    412 ******************************************************************************/
    413
    414#define PIPE_SAVE(gr, state, addr)					\
    415	do {								\
    416		int __i;						\
    417		nvkm_wr32(device, NV10_PGRAPH_PIPE_ADDRESS, addr);		\
    418		for (__i = 0; __i < ARRAY_SIZE(state); __i++)		\
    419			state[__i] = nvkm_rd32(device, NV10_PGRAPH_PIPE_DATA); \
    420	} while (0)
    421
    422#define PIPE_RESTORE(gr, state, addr)					\
    423	do {								\
    424		int __i;						\
    425		nvkm_wr32(device, NV10_PGRAPH_PIPE_ADDRESS, addr);		\
    426		for (__i = 0; __i < ARRAY_SIZE(state); __i++)		\
    427			nvkm_wr32(device, NV10_PGRAPH_PIPE_DATA, state[__i]); \
    428	} while (0)
    429
    430static void
    431nv17_gr_mthd_lma_window(struct nv10_gr_chan *chan, u32 mthd, u32 data)
    432{
    433	struct nvkm_device *device = chan->object.engine->subdev.device;
    434	struct nvkm_gr *gr = &chan->gr->base;
    435	struct pipe_state *pipe = &chan->pipe_state;
    436	u32 pipe_0x0040[1], pipe_0x64c0[8], pipe_0x6a80[3], pipe_0x6ab0[3];
    437	u32 xfmode0, xfmode1;
    438	int i;
    439
    440	chan->lma_window[(mthd - 0x1638) / 4] = data;
    441
    442	if (mthd != 0x1644)
    443		return;
    444
    445	nv04_gr_idle(gr);
    446
    447	PIPE_SAVE(device, pipe_0x0040, 0x0040);
    448	PIPE_SAVE(device, pipe->pipe_0x0200, 0x0200);
    449
    450	PIPE_RESTORE(device, chan->lma_window, 0x6790);
    451
    452	nv04_gr_idle(gr);
    453
    454	xfmode0 = nvkm_rd32(device, NV10_PGRAPH_XFMODE0);
    455	xfmode1 = nvkm_rd32(device, NV10_PGRAPH_XFMODE1);
    456
    457	PIPE_SAVE(device, pipe->pipe_0x4400, 0x4400);
    458	PIPE_SAVE(device, pipe_0x64c0, 0x64c0);
    459	PIPE_SAVE(device, pipe_0x6ab0, 0x6ab0);
    460	PIPE_SAVE(device, pipe_0x6a80, 0x6a80);
    461
    462	nv04_gr_idle(gr);
    463
    464	nvkm_wr32(device, NV10_PGRAPH_XFMODE0, 0x10000000);
    465	nvkm_wr32(device, NV10_PGRAPH_XFMODE1, 0x00000000);
    466	nvkm_wr32(device, NV10_PGRAPH_PIPE_ADDRESS, 0x000064c0);
    467	for (i = 0; i < 4; i++)
    468		nvkm_wr32(device, NV10_PGRAPH_PIPE_DATA, 0x3f800000);
    469	for (i = 0; i < 4; i++)
    470		nvkm_wr32(device, NV10_PGRAPH_PIPE_DATA, 0x00000000);
    471
    472	nvkm_wr32(device, NV10_PGRAPH_PIPE_ADDRESS, 0x00006ab0);
    473	for (i = 0; i < 3; i++)
    474		nvkm_wr32(device, NV10_PGRAPH_PIPE_DATA, 0x3f800000);
    475
    476	nvkm_wr32(device, NV10_PGRAPH_PIPE_ADDRESS, 0x00006a80);
    477	for (i = 0; i < 3; i++)
    478		nvkm_wr32(device, NV10_PGRAPH_PIPE_DATA, 0x00000000);
    479
    480	nvkm_wr32(device, NV10_PGRAPH_PIPE_ADDRESS, 0x00000040);
    481	nvkm_wr32(device, NV10_PGRAPH_PIPE_DATA, 0x00000008);
    482
    483	PIPE_RESTORE(device, pipe->pipe_0x0200, 0x0200);
    484
    485	nv04_gr_idle(gr);
    486
    487	PIPE_RESTORE(device, pipe_0x0040, 0x0040);
    488
    489	nvkm_wr32(device, NV10_PGRAPH_XFMODE0, xfmode0);
    490	nvkm_wr32(device, NV10_PGRAPH_XFMODE1, xfmode1);
    491
    492	PIPE_RESTORE(device, pipe_0x64c0, 0x64c0);
    493	PIPE_RESTORE(device, pipe_0x6ab0, 0x6ab0);
    494	PIPE_RESTORE(device, pipe_0x6a80, 0x6a80);
    495	PIPE_RESTORE(device, pipe->pipe_0x4400, 0x4400);
    496
    497	nvkm_wr32(device, NV10_PGRAPH_PIPE_ADDRESS, 0x000000c0);
    498	nvkm_wr32(device, NV10_PGRAPH_PIPE_DATA, 0x00000000);
    499
    500	nv04_gr_idle(gr);
    501}
    502
    503static void
    504nv17_gr_mthd_lma_enable(struct nv10_gr_chan *chan, u32 mthd, u32 data)
    505{
    506	struct nvkm_device *device = chan->object.engine->subdev.device;
    507	struct nvkm_gr *gr = &chan->gr->base;
    508
    509	nv04_gr_idle(gr);
    510
    511	nvkm_mask(device, NV10_PGRAPH_DEBUG_4, 0x00000100, 0x00000100);
    512	nvkm_mask(device, 0x4006b0, 0x08000000, 0x08000000);
    513}
    514
    515static bool
    516nv17_gr_mthd_celcius(struct nv10_gr_chan *chan, u32 mthd, u32 data)
    517{
    518	void (*func)(struct nv10_gr_chan *, u32, u32);
    519	switch (mthd) {
    520	case 0x1638 ... 0x1644:
    521		     func = nv17_gr_mthd_lma_window; break;
    522	case 0x1658: func = nv17_gr_mthd_lma_enable; break;
    523	default:
    524		return false;
    525	}
    526	func(chan, mthd, data);
    527	return true;
    528}
    529
    530static bool
    531nv10_gr_mthd(struct nv10_gr_chan *chan, u8 class, u32 mthd, u32 data)
    532{
    533	bool (*func)(struct nv10_gr_chan *, u32, u32);
    534	switch (class) {
    535	case 0x99: func = nv17_gr_mthd_celcius; break;
    536	default:
    537		return false;
    538	}
    539	return func(chan, mthd, data);
    540}
    541
    542/*******************************************************************************
    543 * PGRAPH context
    544 ******************************************************************************/
    545
    546static struct nv10_gr_chan *
    547nv10_gr_channel(struct nv10_gr *gr)
    548{
    549	struct nvkm_device *device = gr->base.engine.subdev.device;
    550	struct nv10_gr_chan *chan = NULL;
    551	if (nvkm_rd32(device, 0x400144) & 0x00010000) {
    552		int chid = nvkm_rd32(device, 0x400148) >> 24;
    553		if (chid < ARRAY_SIZE(gr->chan))
    554			chan = gr->chan[chid];
    555	}
    556	return chan;
    557}
    558
    559static void
    560nv10_gr_save_pipe(struct nv10_gr_chan *chan)
    561{
    562	struct nv10_gr *gr = chan->gr;
    563	struct pipe_state *pipe = &chan->pipe_state;
    564	struct nvkm_device *device = gr->base.engine.subdev.device;
    565
    566	PIPE_SAVE(gr, pipe->pipe_0x4400, 0x4400);
    567	PIPE_SAVE(gr, pipe->pipe_0x0200, 0x0200);
    568	PIPE_SAVE(gr, pipe->pipe_0x6400, 0x6400);
    569	PIPE_SAVE(gr, pipe->pipe_0x6800, 0x6800);
    570	PIPE_SAVE(gr, pipe->pipe_0x6c00, 0x6c00);
    571	PIPE_SAVE(gr, pipe->pipe_0x7000, 0x7000);
    572	PIPE_SAVE(gr, pipe->pipe_0x7400, 0x7400);
    573	PIPE_SAVE(gr, pipe->pipe_0x7800, 0x7800);
    574	PIPE_SAVE(gr, pipe->pipe_0x0040, 0x0040);
    575	PIPE_SAVE(gr, pipe->pipe_0x0000, 0x0000);
    576}
    577
    578static void
    579nv10_gr_load_pipe(struct nv10_gr_chan *chan)
    580{
    581	struct nv10_gr *gr = chan->gr;
    582	struct pipe_state *pipe = &chan->pipe_state;
    583	struct nvkm_device *device = gr->base.engine.subdev.device;
    584	u32 xfmode0, xfmode1;
    585	int i;
    586
    587	nv04_gr_idle(&gr->base);
    588	/* XXX check haiku comments */
    589	xfmode0 = nvkm_rd32(device, NV10_PGRAPH_XFMODE0);
    590	xfmode1 = nvkm_rd32(device, NV10_PGRAPH_XFMODE1);
    591	nvkm_wr32(device, NV10_PGRAPH_XFMODE0, 0x10000000);
    592	nvkm_wr32(device, NV10_PGRAPH_XFMODE1, 0x00000000);
    593	nvkm_wr32(device, NV10_PGRAPH_PIPE_ADDRESS, 0x000064c0);
    594	for (i = 0; i < 4; i++)
    595		nvkm_wr32(device, NV10_PGRAPH_PIPE_DATA, 0x3f800000);
    596	for (i = 0; i < 4; i++)
    597		nvkm_wr32(device, NV10_PGRAPH_PIPE_DATA, 0x00000000);
    598
    599	nvkm_wr32(device, NV10_PGRAPH_PIPE_ADDRESS, 0x00006ab0);
    600	for (i = 0; i < 3; i++)
    601		nvkm_wr32(device, NV10_PGRAPH_PIPE_DATA, 0x3f800000);
    602
    603	nvkm_wr32(device, NV10_PGRAPH_PIPE_ADDRESS, 0x00006a80);
    604	for (i = 0; i < 3; i++)
    605		nvkm_wr32(device, NV10_PGRAPH_PIPE_DATA, 0x00000000);
    606
    607	nvkm_wr32(device, NV10_PGRAPH_PIPE_ADDRESS, 0x00000040);
    608	nvkm_wr32(device, NV10_PGRAPH_PIPE_DATA, 0x00000008);
    609
    610
    611	PIPE_RESTORE(gr, pipe->pipe_0x0200, 0x0200);
    612	nv04_gr_idle(&gr->base);
    613
    614	/* restore XFMODE */
    615	nvkm_wr32(device, NV10_PGRAPH_XFMODE0, xfmode0);
    616	nvkm_wr32(device, NV10_PGRAPH_XFMODE1, xfmode1);
    617	PIPE_RESTORE(gr, pipe->pipe_0x6400, 0x6400);
    618	PIPE_RESTORE(gr, pipe->pipe_0x6800, 0x6800);
    619	PIPE_RESTORE(gr, pipe->pipe_0x6c00, 0x6c00);
    620	PIPE_RESTORE(gr, pipe->pipe_0x7000, 0x7000);
    621	PIPE_RESTORE(gr, pipe->pipe_0x7400, 0x7400);
    622	PIPE_RESTORE(gr, pipe->pipe_0x7800, 0x7800);
    623	PIPE_RESTORE(gr, pipe->pipe_0x4400, 0x4400);
    624	PIPE_RESTORE(gr, pipe->pipe_0x0000, 0x0000);
    625	PIPE_RESTORE(gr, pipe->pipe_0x0040, 0x0040);
    626	nv04_gr_idle(&gr->base);
    627}
    628
    629static void
    630nv10_gr_create_pipe(struct nv10_gr_chan *chan)
    631{
    632	struct nv10_gr *gr = chan->gr;
    633	struct nvkm_subdev *subdev = &gr->base.engine.subdev;
    634	struct pipe_state *pipe_state = &chan->pipe_state;
    635	u32 *pipe_state_addr;
    636	int i;
    637#define PIPE_INIT(addr) \
    638	do { \
    639		pipe_state_addr = pipe_state->pipe_##addr; \
    640	} while (0)
    641#define PIPE_INIT_END(addr) \
    642	do { \
    643		u32 *__end_addr = pipe_state->pipe_##addr + \
    644				ARRAY_SIZE(pipe_state->pipe_##addr); \
    645		if (pipe_state_addr != __end_addr) \
    646			nvkm_error(subdev, "incomplete pipe init for 0x%x :  %p/%p\n", \
    647				addr, pipe_state_addr, __end_addr); \
    648	} while (0)
    649#define NV_WRITE_PIPE_INIT(value) *(pipe_state_addr++) = value
    650
    651	PIPE_INIT(0x0200);
    652	for (i = 0; i < 48; i++)
    653		NV_WRITE_PIPE_INIT(0x00000000);
    654	PIPE_INIT_END(0x0200);
    655
    656	PIPE_INIT(0x6400);
    657	for (i = 0; i < 211; i++)
    658		NV_WRITE_PIPE_INIT(0x00000000);
    659	NV_WRITE_PIPE_INIT(0x3f800000);
    660	NV_WRITE_PIPE_INIT(0x40000000);
    661	NV_WRITE_PIPE_INIT(0x40000000);
    662	NV_WRITE_PIPE_INIT(0x40000000);
    663	NV_WRITE_PIPE_INIT(0x40000000);
    664	NV_WRITE_PIPE_INIT(0x00000000);
    665	NV_WRITE_PIPE_INIT(0x00000000);
    666	NV_WRITE_PIPE_INIT(0x3f800000);
    667	NV_WRITE_PIPE_INIT(0x00000000);
    668	NV_WRITE_PIPE_INIT(0x3f000000);
    669	NV_WRITE_PIPE_INIT(0x3f000000);
    670	NV_WRITE_PIPE_INIT(0x00000000);
    671	NV_WRITE_PIPE_INIT(0x00000000);
    672	NV_WRITE_PIPE_INIT(0x00000000);
    673	NV_WRITE_PIPE_INIT(0x00000000);
    674	NV_WRITE_PIPE_INIT(0x3f800000);
    675	NV_WRITE_PIPE_INIT(0x00000000);
    676	NV_WRITE_PIPE_INIT(0x00000000);
    677	NV_WRITE_PIPE_INIT(0x00000000);
    678	NV_WRITE_PIPE_INIT(0x00000000);
    679	NV_WRITE_PIPE_INIT(0x00000000);
    680	NV_WRITE_PIPE_INIT(0x3f800000);
    681	NV_WRITE_PIPE_INIT(0x3f800000);
    682	NV_WRITE_PIPE_INIT(0x3f800000);
    683	NV_WRITE_PIPE_INIT(0x3f800000);
    684	PIPE_INIT_END(0x6400);
    685
    686	PIPE_INIT(0x6800);
    687	for (i = 0; i < 162; i++)
    688		NV_WRITE_PIPE_INIT(0x00000000);
    689	NV_WRITE_PIPE_INIT(0x3f800000);
    690	for (i = 0; i < 25; i++)
    691		NV_WRITE_PIPE_INIT(0x00000000);
    692	PIPE_INIT_END(0x6800);
    693
    694	PIPE_INIT(0x6c00);
    695	NV_WRITE_PIPE_INIT(0x00000000);
    696	NV_WRITE_PIPE_INIT(0x00000000);
    697	NV_WRITE_PIPE_INIT(0x00000000);
    698	NV_WRITE_PIPE_INIT(0x00000000);
    699	NV_WRITE_PIPE_INIT(0xbf800000);
    700	NV_WRITE_PIPE_INIT(0x00000000);
    701	NV_WRITE_PIPE_INIT(0x00000000);
    702	NV_WRITE_PIPE_INIT(0x00000000);
    703	NV_WRITE_PIPE_INIT(0x00000000);
    704	NV_WRITE_PIPE_INIT(0x00000000);
    705	NV_WRITE_PIPE_INIT(0x00000000);
    706	NV_WRITE_PIPE_INIT(0x00000000);
    707	PIPE_INIT_END(0x6c00);
    708
    709	PIPE_INIT(0x7000);
    710	NV_WRITE_PIPE_INIT(0x00000000);
    711	NV_WRITE_PIPE_INIT(0x00000000);
    712	NV_WRITE_PIPE_INIT(0x00000000);
    713	NV_WRITE_PIPE_INIT(0x00000000);
    714	NV_WRITE_PIPE_INIT(0x00000000);
    715	NV_WRITE_PIPE_INIT(0x00000000);
    716	NV_WRITE_PIPE_INIT(0x00000000);
    717	NV_WRITE_PIPE_INIT(0x00000000);
    718	NV_WRITE_PIPE_INIT(0x00000000);
    719	NV_WRITE_PIPE_INIT(0x00000000);
    720	NV_WRITE_PIPE_INIT(0x00000000);
    721	NV_WRITE_PIPE_INIT(0x00000000);
    722	NV_WRITE_PIPE_INIT(0x7149f2ca);
    723	NV_WRITE_PIPE_INIT(0x00000000);
    724	NV_WRITE_PIPE_INIT(0x00000000);
    725	NV_WRITE_PIPE_INIT(0x00000000);
    726	NV_WRITE_PIPE_INIT(0x7149f2ca);
    727	NV_WRITE_PIPE_INIT(0x00000000);
    728	NV_WRITE_PIPE_INIT(0x00000000);
    729	NV_WRITE_PIPE_INIT(0x00000000);
    730	NV_WRITE_PIPE_INIT(0x7149f2ca);
    731	NV_WRITE_PIPE_INIT(0x00000000);
    732	NV_WRITE_PIPE_INIT(0x00000000);
    733	NV_WRITE_PIPE_INIT(0x00000000);
    734	NV_WRITE_PIPE_INIT(0x7149f2ca);
    735	NV_WRITE_PIPE_INIT(0x00000000);
    736	NV_WRITE_PIPE_INIT(0x00000000);
    737	NV_WRITE_PIPE_INIT(0x00000000);
    738	NV_WRITE_PIPE_INIT(0x7149f2ca);
    739	NV_WRITE_PIPE_INIT(0x00000000);
    740	NV_WRITE_PIPE_INIT(0x00000000);
    741	NV_WRITE_PIPE_INIT(0x00000000);
    742	NV_WRITE_PIPE_INIT(0x7149f2ca);
    743	NV_WRITE_PIPE_INIT(0x00000000);
    744	NV_WRITE_PIPE_INIT(0x00000000);
    745	NV_WRITE_PIPE_INIT(0x00000000);
    746	NV_WRITE_PIPE_INIT(0x7149f2ca);
    747	NV_WRITE_PIPE_INIT(0x00000000);
    748	NV_WRITE_PIPE_INIT(0x00000000);
    749	NV_WRITE_PIPE_INIT(0x00000000);
    750	NV_WRITE_PIPE_INIT(0x7149f2ca);
    751	for (i = 0; i < 35; i++)
    752		NV_WRITE_PIPE_INIT(0x00000000);
    753	PIPE_INIT_END(0x7000);
    754
    755	PIPE_INIT(0x7400);
    756	for (i = 0; i < 48; i++)
    757		NV_WRITE_PIPE_INIT(0x00000000);
    758	PIPE_INIT_END(0x7400);
    759
    760	PIPE_INIT(0x7800);
    761	for (i = 0; i < 48; i++)
    762		NV_WRITE_PIPE_INIT(0x00000000);
    763	PIPE_INIT_END(0x7800);
    764
    765	PIPE_INIT(0x4400);
    766	for (i = 0; i < 32; i++)
    767		NV_WRITE_PIPE_INIT(0x00000000);
    768	PIPE_INIT_END(0x4400);
    769
    770	PIPE_INIT(0x0000);
    771	for (i = 0; i < 16; i++)
    772		NV_WRITE_PIPE_INIT(0x00000000);
    773	PIPE_INIT_END(0x0000);
    774
    775	PIPE_INIT(0x0040);
    776	for (i = 0; i < 4; i++)
    777		NV_WRITE_PIPE_INIT(0x00000000);
    778	PIPE_INIT_END(0x0040);
    779
    780#undef PIPE_INIT
    781#undef PIPE_INIT_END
    782#undef NV_WRITE_PIPE_INIT
    783}
    784
    785static int
    786nv10_gr_ctx_regs_find_offset(struct nv10_gr *gr, int reg)
    787{
    788	struct nvkm_subdev *subdev = &gr->base.engine.subdev;
    789	int i;
    790	for (i = 0; i < ARRAY_SIZE(nv10_gr_ctx_regs); i++) {
    791		if (nv10_gr_ctx_regs[i] == reg)
    792			return i;
    793	}
    794	nvkm_error(subdev, "unknown offset nv10_ctx_regs %d\n", reg);
    795	return -1;
    796}
    797
    798static int
    799nv17_gr_ctx_regs_find_offset(struct nv10_gr *gr, int reg)
    800{
    801	struct nvkm_subdev *subdev = &gr->base.engine.subdev;
    802	int i;
    803	for (i = 0; i < ARRAY_SIZE(nv17_gr_ctx_regs); i++) {
    804		if (nv17_gr_ctx_regs[i] == reg)
    805			return i;
    806	}
    807	nvkm_error(subdev, "unknown offset nv17_ctx_regs %d\n", reg);
    808	return -1;
    809}
    810
    811static void
    812nv10_gr_load_dma_vtxbuf(struct nv10_gr_chan *chan, int chid, u32 inst)
    813{
    814	struct nv10_gr *gr = chan->gr;
    815	struct nvkm_device *device = gr->base.engine.subdev.device;
    816	u32 st2, st2_dl, st2_dh, fifo_ptr, fifo[0x60/4];
    817	u32 ctx_user, ctx_switch[5];
    818	int i, subchan = -1;
    819
    820	/* NV10TCL_DMA_VTXBUF (method 0x18c) modifies hidden state
    821	 * that cannot be restored via MMIO. Do it through the FIFO
    822	 * instead.
    823	 */
    824
    825	/* Look for a celsius object */
    826	for (i = 0; i < 8; i++) {
    827		int class = nvkm_rd32(device, NV10_PGRAPH_CTX_CACHE(i, 0)) & 0xfff;
    828
    829		if (class == 0x56 || class == 0x96 || class == 0x99) {
    830			subchan = i;
    831			break;
    832		}
    833	}
    834
    835	if (subchan < 0 || !inst)
    836		return;
    837
    838	/* Save the current ctx object */
    839	ctx_user = nvkm_rd32(device, NV10_PGRAPH_CTX_USER);
    840	for (i = 0; i < 5; i++)
    841		ctx_switch[i] = nvkm_rd32(device, NV10_PGRAPH_CTX_SWITCH(i));
    842
    843	/* Save the FIFO state */
    844	st2 = nvkm_rd32(device, NV10_PGRAPH_FFINTFC_ST2);
    845	st2_dl = nvkm_rd32(device, NV10_PGRAPH_FFINTFC_ST2_DL);
    846	st2_dh = nvkm_rd32(device, NV10_PGRAPH_FFINTFC_ST2_DH);
    847	fifo_ptr = nvkm_rd32(device, NV10_PGRAPH_FFINTFC_FIFO_PTR);
    848
    849	for (i = 0; i < ARRAY_SIZE(fifo); i++)
    850		fifo[i] = nvkm_rd32(device, 0x4007a0 + 4 * i);
    851
    852	/* Switch to the celsius subchannel */
    853	for (i = 0; i < 5; i++)
    854		nvkm_wr32(device, NV10_PGRAPH_CTX_SWITCH(i),
    855			nvkm_rd32(device, NV10_PGRAPH_CTX_CACHE(subchan, i)));
    856	nvkm_mask(device, NV10_PGRAPH_CTX_USER, 0xe000, subchan << 13);
    857
    858	/* Inject NV10TCL_DMA_VTXBUF */
    859	nvkm_wr32(device, NV10_PGRAPH_FFINTFC_FIFO_PTR, 0);
    860	nvkm_wr32(device, NV10_PGRAPH_FFINTFC_ST2,
    861		0x2c000000 | chid << 20 | subchan << 16 | 0x18c);
    862	nvkm_wr32(device, NV10_PGRAPH_FFINTFC_ST2_DL, inst);
    863	nvkm_mask(device, NV10_PGRAPH_CTX_CONTROL, 0, 0x10000);
    864	nvkm_mask(device, NV04_PGRAPH_FIFO, 0x00000001, 0x00000001);
    865	nvkm_mask(device, NV04_PGRAPH_FIFO, 0x00000001, 0x00000000);
    866
    867	/* Restore the FIFO state */
    868	for (i = 0; i < ARRAY_SIZE(fifo); i++)
    869		nvkm_wr32(device, 0x4007a0 + 4 * i, fifo[i]);
    870
    871	nvkm_wr32(device, NV10_PGRAPH_FFINTFC_FIFO_PTR, fifo_ptr);
    872	nvkm_wr32(device, NV10_PGRAPH_FFINTFC_ST2, st2);
    873	nvkm_wr32(device, NV10_PGRAPH_FFINTFC_ST2_DL, st2_dl);
    874	nvkm_wr32(device, NV10_PGRAPH_FFINTFC_ST2_DH, st2_dh);
    875
    876	/* Restore the current ctx object */
    877	for (i = 0; i < 5; i++)
    878		nvkm_wr32(device, NV10_PGRAPH_CTX_SWITCH(i), ctx_switch[i]);
    879	nvkm_wr32(device, NV10_PGRAPH_CTX_USER, ctx_user);
    880}
    881
    882static int
    883nv10_gr_load_context(struct nv10_gr_chan *chan, int chid)
    884{
    885	struct nv10_gr *gr = chan->gr;
    886	struct nvkm_device *device = gr->base.engine.subdev.device;
    887	u32 inst;
    888	int i;
    889
    890	for (i = 0; i < ARRAY_SIZE(nv10_gr_ctx_regs); i++)
    891		nvkm_wr32(device, nv10_gr_ctx_regs[i], chan->nv10[i]);
    892
    893	if (device->card_type >= NV_11 && device->chipset >= 0x17) {
    894		for (i = 0; i < ARRAY_SIZE(nv17_gr_ctx_regs); i++)
    895			nvkm_wr32(device, nv17_gr_ctx_regs[i], chan->nv17[i]);
    896	}
    897
    898	nv10_gr_load_pipe(chan);
    899
    900	inst = nvkm_rd32(device, NV10_PGRAPH_GLOBALSTATE1) & 0xffff;
    901	nv10_gr_load_dma_vtxbuf(chan, chid, inst);
    902
    903	nvkm_wr32(device, NV10_PGRAPH_CTX_CONTROL, 0x10010100);
    904	nvkm_mask(device, NV10_PGRAPH_CTX_USER, 0xff000000, chid << 24);
    905	nvkm_mask(device, NV10_PGRAPH_FFINTFC_ST2, 0x30000000, 0x00000000);
    906	return 0;
    907}
    908
    909static int
    910nv10_gr_unload_context(struct nv10_gr_chan *chan)
    911{
    912	struct nv10_gr *gr = chan->gr;
    913	struct nvkm_device *device = gr->base.engine.subdev.device;
    914	int i;
    915
    916	for (i = 0; i < ARRAY_SIZE(nv10_gr_ctx_regs); i++)
    917		chan->nv10[i] = nvkm_rd32(device, nv10_gr_ctx_regs[i]);
    918
    919	if (device->card_type >= NV_11 && device->chipset >= 0x17) {
    920		for (i = 0; i < ARRAY_SIZE(nv17_gr_ctx_regs); i++)
    921			chan->nv17[i] = nvkm_rd32(device, nv17_gr_ctx_regs[i]);
    922	}
    923
    924	nv10_gr_save_pipe(chan);
    925
    926	nvkm_wr32(device, NV10_PGRAPH_CTX_CONTROL, 0x10000000);
    927	nvkm_mask(device, NV10_PGRAPH_CTX_USER, 0xff000000, 0x1f000000);
    928	return 0;
    929}
    930
    931static void
    932nv10_gr_context_switch(struct nv10_gr *gr)
    933{
    934	struct nvkm_device *device = gr->base.engine.subdev.device;
    935	struct nv10_gr_chan *prev = NULL;
    936	struct nv10_gr_chan *next = NULL;
    937	int chid;
    938
    939	nv04_gr_idle(&gr->base);
    940
    941	/* If previous context is valid, we need to save it */
    942	prev = nv10_gr_channel(gr);
    943	if (prev)
    944		nv10_gr_unload_context(prev);
    945
    946	/* load context for next channel */
    947	chid = (nvkm_rd32(device, NV04_PGRAPH_TRAPPED_ADDR) >> 20) & 0x1f;
    948	next = gr->chan[chid];
    949	if (next)
    950		nv10_gr_load_context(next, chid);
    951}
    952
    953static int
    954nv10_gr_chan_fini(struct nvkm_object *object, bool suspend)
    955{
    956	struct nv10_gr_chan *chan = nv10_gr_chan(object);
    957	struct nv10_gr *gr = chan->gr;
    958	struct nvkm_device *device = gr->base.engine.subdev.device;
    959	unsigned long flags;
    960
    961	spin_lock_irqsave(&gr->lock, flags);
    962	nvkm_mask(device, NV04_PGRAPH_FIFO, 0x00000001, 0x00000000);
    963	if (nv10_gr_channel(gr) == chan)
    964		nv10_gr_unload_context(chan);
    965	nvkm_mask(device, NV04_PGRAPH_FIFO, 0x00000001, 0x00000001);
    966	spin_unlock_irqrestore(&gr->lock, flags);
    967	return 0;
    968}
    969
    970static void *
    971nv10_gr_chan_dtor(struct nvkm_object *object)
    972{
    973	struct nv10_gr_chan *chan = nv10_gr_chan(object);
    974	struct nv10_gr *gr = chan->gr;
    975	unsigned long flags;
    976
    977	spin_lock_irqsave(&gr->lock, flags);
    978	gr->chan[chan->chid] = NULL;
    979	spin_unlock_irqrestore(&gr->lock, flags);
    980	return chan;
    981}
    982
    983static const struct nvkm_object_func
    984nv10_gr_chan = {
    985	.dtor = nv10_gr_chan_dtor,
    986	.fini = nv10_gr_chan_fini,
    987};
    988
    989#define NV_WRITE_CTX(reg, val) do { \
    990	int offset = nv10_gr_ctx_regs_find_offset(gr, reg); \
    991	if (offset > 0) \
    992		chan->nv10[offset] = val; \
    993	} while (0)
    994
    995#define NV17_WRITE_CTX(reg, val) do { \
    996	int offset = nv17_gr_ctx_regs_find_offset(gr, reg); \
    997	if (offset > 0) \
    998		chan->nv17[offset] = val; \
    999	} while (0)
   1000
   1001int
   1002nv10_gr_chan_new(struct nvkm_gr *base, struct nvkm_fifo_chan *fifoch,
   1003		 const struct nvkm_oclass *oclass, struct nvkm_object **pobject)
   1004{
   1005	struct nv10_gr *gr = nv10_gr(base);
   1006	struct nv10_gr_chan *chan;
   1007	struct nvkm_device *device = gr->base.engine.subdev.device;
   1008	unsigned long flags;
   1009
   1010	if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL)))
   1011		return -ENOMEM;
   1012	nvkm_object_ctor(&nv10_gr_chan, oclass, &chan->object);
   1013	chan->gr = gr;
   1014	chan->chid = fifoch->chid;
   1015	*pobject = &chan->object;
   1016
   1017	NV_WRITE_CTX(0x00400e88, 0x08000000);
   1018	NV_WRITE_CTX(0x00400e9c, 0x4b7fffff);
   1019	NV_WRITE_CTX(NV03_PGRAPH_XY_LOGIC_MISC0, 0x0001ffff);
   1020	NV_WRITE_CTX(0x00400e10, 0x00001000);
   1021	NV_WRITE_CTX(0x00400e14, 0x00001000);
   1022	NV_WRITE_CTX(0x00400e30, 0x00080008);
   1023	NV_WRITE_CTX(0x00400e34, 0x00080008);
   1024	if (device->card_type >= NV_11 && device->chipset >= 0x17) {
   1025		/* is it really needed ??? */
   1026		NV17_WRITE_CTX(NV10_PGRAPH_DEBUG_4,
   1027			       nvkm_rd32(device, NV10_PGRAPH_DEBUG_4));
   1028		NV17_WRITE_CTX(0x004006b0, nvkm_rd32(device, 0x004006b0));
   1029		NV17_WRITE_CTX(0x00400eac, 0x0fff0000);
   1030		NV17_WRITE_CTX(0x00400eb0, 0x0fff0000);
   1031		NV17_WRITE_CTX(0x00400ec0, 0x00000080);
   1032		NV17_WRITE_CTX(0x00400ed0, 0x00000080);
   1033	}
   1034	NV_WRITE_CTX(NV10_PGRAPH_CTX_USER, chan->chid << 24);
   1035
   1036	nv10_gr_create_pipe(chan);
   1037
   1038	spin_lock_irqsave(&gr->lock, flags);
   1039	gr->chan[chan->chid] = chan;
   1040	spin_unlock_irqrestore(&gr->lock, flags);
   1041	return 0;
   1042}
   1043
   1044/*******************************************************************************
   1045 * PGRAPH engine/subdev functions
   1046 ******************************************************************************/
   1047
   1048void
   1049nv10_gr_tile(struct nvkm_gr *base, int i, struct nvkm_fb_tile *tile)
   1050{
   1051	struct nv10_gr *gr = nv10_gr(base);
   1052	struct nvkm_device *device = gr->base.engine.subdev.device;
   1053	struct nvkm_fifo *fifo = device->fifo;
   1054	unsigned long flags;
   1055
   1056	nvkm_fifo_pause(fifo, &flags);
   1057	nv04_gr_idle(&gr->base);
   1058
   1059	nvkm_wr32(device, NV10_PGRAPH_TLIMIT(i), tile->limit);
   1060	nvkm_wr32(device, NV10_PGRAPH_TSIZE(i), tile->pitch);
   1061	nvkm_wr32(device, NV10_PGRAPH_TILE(i), tile->addr);
   1062
   1063	nvkm_fifo_start(fifo, &flags);
   1064}
   1065
   1066const struct nvkm_bitfield nv10_gr_intr_name[] = {
   1067	{ NV_PGRAPH_INTR_NOTIFY, "NOTIFY" },
   1068	{ NV_PGRAPH_INTR_ERROR,  "ERROR"  },
   1069	{}
   1070};
   1071
   1072const struct nvkm_bitfield nv10_gr_nstatus[] = {
   1073	{ NV10_PGRAPH_NSTATUS_STATE_IN_USE,       "STATE_IN_USE" },
   1074	{ NV10_PGRAPH_NSTATUS_INVALID_STATE,      "INVALID_STATE" },
   1075	{ NV10_PGRAPH_NSTATUS_BAD_ARGUMENT,       "BAD_ARGUMENT" },
   1076	{ NV10_PGRAPH_NSTATUS_PROTECTION_FAULT,   "PROTECTION_FAULT" },
   1077	{}
   1078};
   1079
   1080void
   1081nv10_gr_intr(struct nvkm_gr *base)
   1082{
   1083	struct nv10_gr *gr = nv10_gr(base);
   1084	struct nvkm_subdev *subdev = &gr->base.engine.subdev;
   1085	struct nvkm_device *device = subdev->device;
   1086	u32 stat = nvkm_rd32(device, NV03_PGRAPH_INTR);
   1087	u32 nsource = nvkm_rd32(device, NV03_PGRAPH_NSOURCE);
   1088	u32 nstatus = nvkm_rd32(device, NV03_PGRAPH_NSTATUS);
   1089	u32 addr = nvkm_rd32(device, NV04_PGRAPH_TRAPPED_ADDR);
   1090	u32 chid = (addr & 0x01f00000) >> 20;
   1091	u32 subc = (addr & 0x00070000) >> 16;
   1092	u32 mthd = (addr & 0x00001ffc);
   1093	u32 data = nvkm_rd32(device, NV04_PGRAPH_TRAPPED_DATA);
   1094	u32 class = nvkm_rd32(device, 0x400160 + subc * 4) & 0xfff;
   1095	u32 show = stat;
   1096	char msg[128], src[128], sta[128];
   1097	struct nv10_gr_chan *chan;
   1098	unsigned long flags;
   1099
   1100	spin_lock_irqsave(&gr->lock, flags);
   1101	chan = gr->chan[chid];
   1102
   1103	if (stat & NV_PGRAPH_INTR_ERROR) {
   1104		if (chan && (nsource & NV03_PGRAPH_NSOURCE_ILLEGAL_MTHD)) {
   1105			if (!nv10_gr_mthd(chan, class, mthd, data))
   1106				show &= ~NV_PGRAPH_INTR_ERROR;
   1107		}
   1108	}
   1109
   1110	if (stat & NV_PGRAPH_INTR_CONTEXT_SWITCH) {
   1111		nvkm_wr32(device, NV03_PGRAPH_INTR, NV_PGRAPH_INTR_CONTEXT_SWITCH);
   1112		stat &= ~NV_PGRAPH_INTR_CONTEXT_SWITCH;
   1113		show &= ~NV_PGRAPH_INTR_CONTEXT_SWITCH;
   1114		nv10_gr_context_switch(gr);
   1115	}
   1116
   1117	nvkm_wr32(device, NV03_PGRAPH_INTR, stat);
   1118	nvkm_wr32(device, NV04_PGRAPH_FIFO, 0x00000001);
   1119
   1120	if (show) {
   1121		nvkm_snprintbf(msg, sizeof(msg), nv10_gr_intr_name, show);
   1122		nvkm_snprintbf(src, sizeof(src), nv04_gr_nsource, nsource);
   1123		nvkm_snprintbf(sta, sizeof(sta), nv10_gr_nstatus, nstatus);
   1124		nvkm_error(subdev, "intr %08x [%s] nsource %08x [%s] "
   1125				   "nstatus %08x [%s] ch %d [%s] subc %d "
   1126				   "class %04x mthd %04x data %08x\n",
   1127			   show, msg, nsource, src, nstatus, sta, chid,
   1128			   chan ? chan->object.client->name : "unknown",
   1129			   subc, class, mthd, data);
   1130	}
   1131
   1132	spin_unlock_irqrestore(&gr->lock, flags);
   1133}
   1134
   1135int
   1136nv10_gr_init(struct nvkm_gr *base)
   1137{
   1138	struct nv10_gr *gr = nv10_gr(base);
   1139	struct nvkm_device *device = gr->base.engine.subdev.device;
   1140
   1141	nvkm_wr32(device, NV03_PGRAPH_INTR   , 0xFFFFFFFF);
   1142	nvkm_wr32(device, NV03_PGRAPH_INTR_EN, 0xFFFFFFFF);
   1143
   1144	nvkm_wr32(device, NV04_PGRAPH_DEBUG_0, 0xFFFFFFFF);
   1145	nvkm_wr32(device, NV04_PGRAPH_DEBUG_0, 0x00000000);
   1146	nvkm_wr32(device, NV04_PGRAPH_DEBUG_1, 0x00118700);
   1147	/* nvkm_wr32(device, NV04_PGRAPH_DEBUG_2, 0x24E00810); */ /* 0x25f92ad9 */
   1148	nvkm_wr32(device, NV04_PGRAPH_DEBUG_2, 0x25f92ad9);
   1149	nvkm_wr32(device, NV04_PGRAPH_DEBUG_3, 0x55DE0830 | (1 << 29) | (1 << 31));
   1150
   1151	if (device->card_type >= NV_11 && device->chipset >= 0x17) {
   1152		nvkm_wr32(device, NV10_PGRAPH_DEBUG_4, 0x1f000000);
   1153		nvkm_wr32(device, 0x400a10, 0x03ff3fb6);
   1154		nvkm_wr32(device, 0x400838, 0x002f8684);
   1155		nvkm_wr32(device, 0x40083c, 0x00115f3f);
   1156		nvkm_wr32(device, 0x4006b0, 0x40000020);
   1157	} else {
   1158		nvkm_wr32(device, NV10_PGRAPH_DEBUG_4, 0x00000000);
   1159	}
   1160
   1161	nvkm_wr32(device, NV10_PGRAPH_CTX_SWITCH(0), 0x00000000);
   1162	nvkm_wr32(device, NV10_PGRAPH_CTX_SWITCH(1), 0x00000000);
   1163	nvkm_wr32(device, NV10_PGRAPH_CTX_SWITCH(2), 0x00000000);
   1164	nvkm_wr32(device, NV10_PGRAPH_CTX_SWITCH(3), 0x00000000);
   1165	nvkm_wr32(device, NV10_PGRAPH_CTX_SWITCH(4), 0x00000000);
   1166	nvkm_wr32(device, NV10_PGRAPH_STATE, 0xFFFFFFFF);
   1167
   1168	nvkm_mask(device, NV10_PGRAPH_CTX_USER, 0xff000000, 0x1f000000);
   1169	nvkm_wr32(device, NV10_PGRAPH_CTX_CONTROL, 0x10000100);
   1170	nvkm_wr32(device, NV10_PGRAPH_FFINTFC_ST2, 0x08000000);
   1171	return 0;
   1172}
   1173
   1174int
   1175nv10_gr_new_(const struct nvkm_gr_func *func, struct nvkm_device *device,
   1176	     enum nvkm_subdev_type type, int inst, struct nvkm_gr **pgr)
   1177{
   1178	struct nv10_gr *gr;
   1179
   1180	if (!(gr = kzalloc(sizeof(*gr), GFP_KERNEL)))
   1181		return -ENOMEM;
   1182	spin_lock_init(&gr->lock);
   1183	*pgr = &gr->base;
   1184
   1185	return nvkm_gr_ctor(func, device, type, inst, true, &gr->base);
   1186}
   1187
   1188static const struct nvkm_gr_func
   1189nv10_gr = {
   1190	.init = nv10_gr_init,
   1191	.intr = nv10_gr_intr,
   1192	.tile = nv10_gr_tile,
   1193	.chan_new = nv10_gr_chan_new,
   1194	.sclass = {
   1195		{ -1, -1, 0x0012, &nv04_gr_object }, /* beta1 */
   1196		{ -1, -1, 0x0019, &nv04_gr_object }, /* clip */
   1197		{ -1, -1, 0x0030, &nv04_gr_object }, /* null */
   1198		{ -1, -1, 0x0039, &nv04_gr_object }, /* m2mf */
   1199		{ -1, -1, 0x0043, &nv04_gr_object }, /* rop */
   1200		{ -1, -1, 0x0044, &nv04_gr_object }, /* pattern */
   1201		{ -1, -1, 0x004a, &nv04_gr_object }, /* gdi */
   1202		{ -1, -1, 0x0052, &nv04_gr_object }, /* swzsurf */
   1203		{ -1, -1, 0x005f, &nv04_gr_object }, /* blit */
   1204		{ -1, -1, 0x0062, &nv04_gr_object }, /* surf2d */
   1205		{ -1, -1, 0x0072, &nv04_gr_object }, /* beta4 */
   1206		{ -1, -1, 0x0089, &nv04_gr_object }, /* sifm */
   1207		{ -1, -1, 0x008a, &nv04_gr_object }, /* ifc */
   1208		{ -1, -1, 0x009f, &nv04_gr_object }, /* blit */
   1209		{ -1, -1, 0x0093, &nv04_gr_object }, /* surf3d */
   1210		{ -1, -1, 0x0094, &nv04_gr_object }, /* ttri */
   1211		{ -1, -1, 0x0095, &nv04_gr_object }, /* mtri */
   1212		{ -1, -1, 0x0056, &nv04_gr_object }, /* celcius */
   1213		{}
   1214	}
   1215};
   1216
   1217int
   1218nv10_gr_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_gr **pgr)
   1219{
   1220	return nv10_gr_new_(&nv10_gr, device, type, inst, pgr);
   1221}