cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

ni.c (72832B)


      1/*
      2 * Copyright 2010 Advanced Micro Devices, Inc.
      3 *
      4 * Permission is hereby granted, free of charge, to any person obtaining a
      5 * copy of this software and associated documentation files (the "Software"),
      6 * to deal in the Software without restriction, including without limitation
      7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      8 * and/or sell copies of the Software, and to permit persons to whom the
      9 * Software is furnished to do so, subject to the following conditions:
     10 *
     11 * The above copyright notice and this permission notice shall be included in
     12 * all copies or substantial portions of the Software.
     13 *
     14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     20 * OTHER DEALINGS IN THE SOFTWARE.
     21 *
     22 * Authors: Alex Deucher
     23 */
     24
     25#include <linux/firmware.h>
     26#include <linux/module.h>
     27#include <linux/pci.h>
     28#include <linux/slab.h>
     29
     30#include <drm/radeon_drm.h>
     31
     32#include "atom.h"
     33#include "cayman_blit_shaders.h"
     34#include "clearstate_cayman.h"
     35#include "evergreen.h"
     36#include "ni.h"
     37#include "ni_reg.h"
     38#include "nid.h"
     39#include "radeon.h"
     40#include "radeon_asic.h"
     41#include "radeon_audio.h"
     42#include "radeon_ucode.h"
     43
     44/*
     45 * Indirect registers accessor
     46 */
     47u32 tn_smc_rreg(struct radeon_device *rdev, u32 reg)
     48{
     49	unsigned long flags;
     50	u32 r;
     51
     52	spin_lock_irqsave(&rdev->smc_idx_lock, flags);
     53	WREG32(TN_SMC_IND_INDEX_0, (reg));
     54	r = RREG32(TN_SMC_IND_DATA_0);
     55	spin_unlock_irqrestore(&rdev->smc_idx_lock, flags);
     56	return r;
     57}
     58
     59void tn_smc_wreg(struct radeon_device *rdev, u32 reg, u32 v)
     60{
     61	unsigned long flags;
     62
     63	spin_lock_irqsave(&rdev->smc_idx_lock, flags);
     64	WREG32(TN_SMC_IND_INDEX_0, (reg));
     65	WREG32(TN_SMC_IND_DATA_0, (v));
     66	spin_unlock_irqrestore(&rdev->smc_idx_lock, flags);
     67}
     68
     69static const u32 tn_rlc_save_restore_register_list[] =
     70{
     71	0x98fc,
     72	0x98f0,
     73	0x9834,
     74	0x9838,
     75	0x9870,
     76	0x9874,
     77	0x8a14,
     78	0x8b24,
     79	0x8bcc,
     80	0x8b10,
     81	0x8c30,
     82	0x8d00,
     83	0x8d04,
     84	0x8c00,
     85	0x8c04,
     86	0x8c10,
     87	0x8c14,
     88	0x8d8c,
     89	0x8cf0,
     90	0x8e38,
     91	0x9508,
     92	0x9688,
     93	0x9608,
     94	0x960c,
     95	0x9610,
     96	0x9614,
     97	0x88c4,
     98	0x8978,
     99	0x88d4,
    100	0x900c,
    101	0x9100,
    102	0x913c,
    103	0x90e8,
    104	0x9354,
    105	0xa008,
    106	0x98f8,
    107	0x9148,
    108	0x914c,
    109	0x3f94,
    110	0x98f4,
    111	0x9b7c,
    112	0x3f8c,
    113	0x8950,
    114	0x8954,
    115	0x8a18,
    116	0x8b28,
    117	0x9144,
    118	0x3f90,
    119	0x915c,
    120	0x9160,
    121	0x9178,
    122	0x917c,
    123	0x9180,
    124	0x918c,
    125	0x9190,
    126	0x9194,
    127	0x9198,
    128	0x919c,
    129	0x91a8,
    130	0x91ac,
    131	0x91b0,
    132	0x91b4,
    133	0x91b8,
    134	0x91c4,
    135	0x91c8,
    136	0x91cc,
    137	0x91d0,
    138	0x91d4,
    139	0x91e0,
    140	0x91e4,
    141	0x91ec,
    142	0x91f0,
    143	0x91f4,
    144	0x9200,
    145	0x9204,
    146	0x929c,
    147	0x8030,
    148	0x9150,
    149	0x9a60,
    150	0x920c,
    151	0x9210,
    152	0x9228,
    153	0x922c,
    154	0x9244,
    155	0x9248,
    156	0x91e8,
    157	0x9294,
    158	0x9208,
    159	0x9224,
    160	0x9240,
    161	0x9220,
    162	0x923c,
    163	0x9258,
    164	0x9744,
    165	0xa200,
    166	0xa204,
    167	0xa208,
    168	0xa20c,
    169	0x8d58,
    170	0x9030,
    171	0x9034,
    172	0x9038,
    173	0x903c,
    174	0x9040,
    175	0x9654,
    176	0x897c,
    177	0xa210,
    178	0xa214,
    179	0x9868,
    180	0xa02c,
    181	0x9664,
    182	0x9698,
    183	0x949c,
    184	0x8e10,
    185	0x8e18,
    186	0x8c50,
    187	0x8c58,
    188	0x8c60,
    189	0x8c68,
    190	0x89b4,
    191	0x9830,
    192	0x802c,
    193};
    194
    195/* Firmware Names */
    196MODULE_FIRMWARE("radeon/BARTS_pfp.bin");
    197MODULE_FIRMWARE("radeon/BARTS_me.bin");
    198MODULE_FIRMWARE("radeon/BARTS_mc.bin");
    199MODULE_FIRMWARE("radeon/BARTS_smc.bin");
    200MODULE_FIRMWARE("radeon/BTC_rlc.bin");
    201MODULE_FIRMWARE("radeon/TURKS_pfp.bin");
    202MODULE_FIRMWARE("radeon/TURKS_me.bin");
    203MODULE_FIRMWARE("radeon/TURKS_mc.bin");
    204MODULE_FIRMWARE("radeon/TURKS_smc.bin");
    205MODULE_FIRMWARE("radeon/CAICOS_pfp.bin");
    206MODULE_FIRMWARE("radeon/CAICOS_me.bin");
    207MODULE_FIRMWARE("radeon/CAICOS_mc.bin");
    208MODULE_FIRMWARE("radeon/CAICOS_smc.bin");
    209MODULE_FIRMWARE("radeon/CAYMAN_pfp.bin");
    210MODULE_FIRMWARE("radeon/CAYMAN_me.bin");
    211MODULE_FIRMWARE("radeon/CAYMAN_mc.bin");
    212MODULE_FIRMWARE("radeon/CAYMAN_rlc.bin");
    213MODULE_FIRMWARE("radeon/CAYMAN_smc.bin");
    214MODULE_FIRMWARE("radeon/ARUBA_pfp.bin");
    215MODULE_FIRMWARE("radeon/ARUBA_me.bin");
    216MODULE_FIRMWARE("radeon/ARUBA_rlc.bin");
    217
    218
    219static const u32 cayman_golden_registers2[] =
    220{
    221	0x3e5c, 0xffffffff, 0x00000000,
    222	0x3e48, 0xffffffff, 0x00000000,
    223	0x3e4c, 0xffffffff, 0x00000000,
    224	0x3e64, 0xffffffff, 0x00000000,
    225	0x3e50, 0xffffffff, 0x00000000,
    226	0x3e60, 0xffffffff, 0x00000000
    227};
    228
    229static const u32 cayman_golden_registers[] =
    230{
    231	0x5eb4, 0xffffffff, 0x00000002,
    232	0x5e78, 0x8f311ff1, 0x001000f0,
    233	0x3f90, 0xffff0000, 0xff000000,
    234	0x9148, 0xffff0000, 0xff000000,
    235	0x3f94, 0xffff0000, 0xff000000,
    236	0x914c, 0xffff0000, 0xff000000,
    237	0xc78, 0x00000080, 0x00000080,
    238	0xbd4, 0x70073777, 0x00011003,
    239	0xd02c, 0xbfffff1f, 0x08421000,
    240	0xd0b8, 0x73773777, 0x02011003,
    241	0x5bc0, 0x00200000, 0x50100000,
    242	0x98f8, 0x33773777, 0x02011003,
    243	0x98fc, 0xffffffff, 0x76541032,
    244	0x7030, 0x31000311, 0x00000011,
    245	0x2f48, 0x33773777, 0x42010001,
    246	0x6b28, 0x00000010, 0x00000012,
    247	0x7728, 0x00000010, 0x00000012,
    248	0x10328, 0x00000010, 0x00000012,
    249	0x10f28, 0x00000010, 0x00000012,
    250	0x11b28, 0x00000010, 0x00000012,
    251	0x12728, 0x00000010, 0x00000012,
    252	0x240c, 0x000007ff, 0x00000000,
    253	0x8a14, 0xf000001f, 0x00000007,
    254	0x8b24, 0x3fff3fff, 0x00ff0fff,
    255	0x8b10, 0x0000ff0f, 0x00000000,
    256	0x28a4c, 0x07ffffff, 0x06000000,
    257	0x10c, 0x00000001, 0x00010003,
    258	0xa02c, 0xffffffff, 0x0000009b,
    259	0x913c, 0x0000010f, 0x01000100,
    260	0x8c04, 0xf8ff00ff, 0x40600060,
    261	0x28350, 0x00000f01, 0x00000000,
    262	0x9508, 0x3700001f, 0x00000002,
    263	0x960c, 0xffffffff, 0x54763210,
    264	0x88c4, 0x001f3ae3, 0x00000082,
    265	0x88d0, 0xffffffff, 0x0f40df40,
    266	0x88d4, 0x0000001f, 0x00000010,
    267	0x8974, 0xffffffff, 0x00000000
    268};
    269
    270static const u32 dvst_golden_registers2[] =
    271{
    272	0x8f8, 0xffffffff, 0,
    273	0x8fc, 0x00380000, 0,
    274	0x8f8, 0xffffffff, 1,
    275	0x8fc, 0x0e000000, 0
    276};
    277
    278static const u32 dvst_golden_registers[] =
    279{
    280	0x690, 0x3fff3fff, 0x20c00033,
    281	0x918c, 0x0fff0fff, 0x00010006,
    282	0x91a8, 0x0fff0fff, 0x00010006,
    283	0x9150, 0xffffdfff, 0x6e944040,
    284	0x917c, 0x0fff0fff, 0x00030002,
    285	0x9198, 0x0fff0fff, 0x00030002,
    286	0x915c, 0x0fff0fff, 0x00010000,
    287	0x3f90, 0xffff0001, 0xff000000,
    288	0x9178, 0x0fff0fff, 0x00070000,
    289	0x9194, 0x0fff0fff, 0x00070000,
    290	0x9148, 0xffff0001, 0xff000000,
    291	0x9190, 0x0fff0fff, 0x00090008,
    292	0x91ac, 0x0fff0fff, 0x00090008,
    293	0x3f94, 0xffff0000, 0xff000000,
    294	0x914c, 0xffff0000, 0xff000000,
    295	0x929c, 0x00000fff, 0x00000001,
    296	0x55e4, 0xff607fff, 0xfc000100,
    297	0x8a18, 0xff000fff, 0x00000100,
    298	0x8b28, 0xff000fff, 0x00000100,
    299	0x9144, 0xfffc0fff, 0x00000100,
    300	0x6ed8, 0x00010101, 0x00010000,
    301	0x9830, 0xffffffff, 0x00000000,
    302	0x9834, 0xf00fffff, 0x00000400,
    303	0x9838, 0xfffffffe, 0x00000000,
    304	0xd0c0, 0xff000fff, 0x00000100,
    305	0xd02c, 0xbfffff1f, 0x08421000,
    306	0xd0b8, 0x73773777, 0x12010001,
    307	0x5bb0, 0x000000f0, 0x00000070,
    308	0x98f8, 0x73773777, 0x12010001,
    309	0x98fc, 0xffffffff, 0x00000010,
    310	0x9b7c, 0x00ff0000, 0x00fc0000,
    311	0x8030, 0x00001f0f, 0x0000100a,
    312	0x2f48, 0x73773777, 0x12010001,
    313	0x2408, 0x00030000, 0x000c007f,
    314	0x8a14, 0xf000003f, 0x00000007,
    315	0x8b24, 0x3fff3fff, 0x00ff0fff,
    316	0x8b10, 0x0000ff0f, 0x00000000,
    317	0x28a4c, 0x07ffffff, 0x06000000,
    318	0x4d8, 0x00000fff, 0x00000100,
    319	0xa008, 0xffffffff, 0x00010000,
    320	0x913c, 0xffff03ff, 0x01000100,
    321	0x8c00, 0x000000ff, 0x00000003,
    322	0x8c04, 0xf8ff00ff, 0x40600060,
    323	0x8cf0, 0x1fff1fff, 0x08e00410,
    324	0x28350, 0x00000f01, 0x00000000,
    325	0x9508, 0xf700071f, 0x00000002,
    326	0x960c, 0xffffffff, 0x54763210,
    327	0x20ef8, 0x01ff01ff, 0x00000002,
    328	0x20e98, 0xfffffbff, 0x00200000,
    329	0x2015c, 0xffffffff, 0x00000f40,
    330	0x88c4, 0x001f3ae3, 0x00000082,
    331	0x8978, 0x3fffffff, 0x04050140,
    332	0x88d4, 0x0000001f, 0x00000010,
    333	0x8974, 0xffffffff, 0x00000000
    334};
    335
    336static const u32 scrapper_golden_registers[] =
    337{
    338	0x690, 0x3fff3fff, 0x20c00033,
    339	0x918c, 0x0fff0fff, 0x00010006,
    340	0x918c, 0x0fff0fff, 0x00010006,
    341	0x91a8, 0x0fff0fff, 0x00010006,
    342	0x91a8, 0x0fff0fff, 0x00010006,
    343	0x9150, 0xffffdfff, 0x6e944040,
    344	0x9150, 0xffffdfff, 0x6e944040,
    345	0x917c, 0x0fff0fff, 0x00030002,
    346	0x917c, 0x0fff0fff, 0x00030002,
    347	0x9198, 0x0fff0fff, 0x00030002,
    348	0x9198, 0x0fff0fff, 0x00030002,
    349	0x915c, 0x0fff0fff, 0x00010000,
    350	0x915c, 0x0fff0fff, 0x00010000,
    351	0x3f90, 0xffff0001, 0xff000000,
    352	0x3f90, 0xffff0001, 0xff000000,
    353	0x9178, 0x0fff0fff, 0x00070000,
    354	0x9178, 0x0fff0fff, 0x00070000,
    355	0x9194, 0x0fff0fff, 0x00070000,
    356	0x9194, 0x0fff0fff, 0x00070000,
    357	0x9148, 0xffff0001, 0xff000000,
    358	0x9148, 0xffff0001, 0xff000000,
    359	0x9190, 0x0fff0fff, 0x00090008,
    360	0x9190, 0x0fff0fff, 0x00090008,
    361	0x91ac, 0x0fff0fff, 0x00090008,
    362	0x91ac, 0x0fff0fff, 0x00090008,
    363	0x3f94, 0xffff0000, 0xff000000,
    364	0x3f94, 0xffff0000, 0xff000000,
    365	0x914c, 0xffff0000, 0xff000000,
    366	0x914c, 0xffff0000, 0xff000000,
    367	0x929c, 0x00000fff, 0x00000001,
    368	0x929c, 0x00000fff, 0x00000001,
    369	0x55e4, 0xff607fff, 0xfc000100,
    370	0x8a18, 0xff000fff, 0x00000100,
    371	0x8a18, 0xff000fff, 0x00000100,
    372	0x8b28, 0xff000fff, 0x00000100,
    373	0x8b28, 0xff000fff, 0x00000100,
    374	0x9144, 0xfffc0fff, 0x00000100,
    375	0x9144, 0xfffc0fff, 0x00000100,
    376	0x6ed8, 0x00010101, 0x00010000,
    377	0x9830, 0xffffffff, 0x00000000,
    378	0x9830, 0xffffffff, 0x00000000,
    379	0x9834, 0xf00fffff, 0x00000400,
    380	0x9834, 0xf00fffff, 0x00000400,
    381	0x9838, 0xfffffffe, 0x00000000,
    382	0x9838, 0xfffffffe, 0x00000000,
    383	0xd0c0, 0xff000fff, 0x00000100,
    384	0xd02c, 0xbfffff1f, 0x08421000,
    385	0xd02c, 0xbfffff1f, 0x08421000,
    386	0xd0b8, 0x73773777, 0x12010001,
    387	0xd0b8, 0x73773777, 0x12010001,
    388	0x5bb0, 0x000000f0, 0x00000070,
    389	0x98f8, 0x73773777, 0x12010001,
    390	0x98f8, 0x73773777, 0x12010001,
    391	0x98fc, 0xffffffff, 0x00000010,
    392	0x98fc, 0xffffffff, 0x00000010,
    393	0x9b7c, 0x00ff0000, 0x00fc0000,
    394	0x9b7c, 0x00ff0000, 0x00fc0000,
    395	0x8030, 0x00001f0f, 0x0000100a,
    396	0x8030, 0x00001f0f, 0x0000100a,
    397	0x2f48, 0x73773777, 0x12010001,
    398	0x2f48, 0x73773777, 0x12010001,
    399	0x2408, 0x00030000, 0x000c007f,
    400	0x8a14, 0xf000003f, 0x00000007,
    401	0x8a14, 0xf000003f, 0x00000007,
    402	0x8b24, 0x3fff3fff, 0x00ff0fff,
    403	0x8b24, 0x3fff3fff, 0x00ff0fff,
    404	0x8b10, 0x0000ff0f, 0x00000000,
    405	0x8b10, 0x0000ff0f, 0x00000000,
    406	0x28a4c, 0x07ffffff, 0x06000000,
    407	0x28a4c, 0x07ffffff, 0x06000000,
    408	0x4d8, 0x00000fff, 0x00000100,
    409	0x4d8, 0x00000fff, 0x00000100,
    410	0xa008, 0xffffffff, 0x00010000,
    411	0xa008, 0xffffffff, 0x00010000,
    412	0x913c, 0xffff03ff, 0x01000100,
    413	0x913c, 0xffff03ff, 0x01000100,
    414	0x90e8, 0x001fffff, 0x010400c0,
    415	0x8c00, 0x000000ff, 0x00000003,
    416	0x8c00, 0x000000ff, 0x00000003,
    417	0x8c04, 0xf8ff00ff, 0x40600060,
    418	0x8c04, 0xf8ff00ff, 0x40600060,
    419	0x8c30, 0x0000000f, 0x00040005,
    420	0x8cf0, 0x1fff1fff, 0x08e00410,
    421	0x8cf0, 0x1fff1fff, 0x08e00410,
    422	0x900c, 0x00ffffff, 0x0017071f,
    423	0x28350, 0x00000f01, 0x00000000,
    424	0x28350, 0x00000f01, 0x00000000,
    425	0x9508, 0xf700071f, 0x00000002,
    426	0x9508, 0xf700071f, 0x00000002,
    427	0x9688, 0x00300000, 0x0017000f,
    428	0x960c, 0xffffffff, 0x54763210,
    429	0x960c, 0xffffffff, 0x54763210,
    430	0x20ef8, 0x01ff01ff, 0x00000002,
    431	0x20e98, 0xfffffbff, 0x00200000,
    432	0x2015c, 0xffffffff, 0x00000f40,
    433	0x88c4, 0x001f3ae3, 0x00000082,
    434	0x88c4, 0x001f3ae3, 0x00000082,
    435	0x8978, 0x3fffffff, 0x04050140,
    436	0x8978, 0x3fffffff, 0x04050140,
    437	0x88d4, 0x0000001f, 0x00000010,
    438	0x88d4, 0x0000001f, 0x00000010,
    439	0x8974, 0xffffffff, 0x00000000,
    440	0x8974, 0xffffffff, 0x00000000
    441};
    442
    443static void ni_init_golden_registers(struct radeon_device *rdev)
    444{
    445	switch (rdev->family) {
    446	case CHIP_CAYMAN:
    447		radeon_program_register_sequence(rdev,
    448						 cayman_golden_registers,
    449						 (const u32)ARRAY_SIZE(cayman_golden_registers));
    450		radeon_program_register_sequence(rdev,
    451						 cayman_golden_registers2,
    452						 (const u32)ARRAY_SIZE(cayman_golden_registers2));
    453		break;
    454	case CHIP_ARUBA:
    455		if ((rdev->pdev->device == 0x9900) ||
    456		    (rdev->pdev->device == 0x9901) ||
    457		    (rdev->pdev->device == 0x9903) ||
    458		    (rdev->pdev->device == 0x9904) ||
    459		    (rdev->pdev->device == 0x9905) ||
    460		    (rdev->pdev->device == 0x9906) ||
    461		    (rdev->pdev->device == 0x9907) ||
    462		    (rdev->pdev->device == 0x9908) ||
    463		    (rdev->pdev->device == 0x9909) ||
    464		    (rdev->pdev->device == 0x990A) ||
    465		    (rdev->pdev->device == 0x990B) ||
    466		    (rdev->pdev->device == 0x990C) ||
    467		    (rdev->pdev->device == 0x990D) ||
    468		    (rdev->pdev->device == 0x990E) ||
    469		    (rdev->pdev->device == 0x990F) ||
    470		    (rdev->pdev->device == 0x9910) ||
    471		    (rdev->pdev->device == 0x9913) ||
    472		    (rdev->pdev->device == 0x9917) ||
    473		    (rdev->pdev->device == 0x9918)) {
    474			radeon_program_register_sequence(rdev,
    475							 dvst_golden_registers,
    476							 (const u32)ARRAY_SIZE(dvst_golden_registers));
    477			radeon_program_register_sequence(rdev,
    478							 dvst_golden_registers2,
    479							 (const u32)ARRAY_SIZE(dvst_golden_registers2));
    480		} else {
    481			radeon_program_register_sequence(rdev,
    482							 scrapper_golden_registers,
    483							 (const u32)ARRAY_SIZE(scrapper_golden_registers));
    484			radeon_program_register_sequence(rdev,
    485							 dvst_golden_registers2,
    486							 (const u32)ARRAY_SIZE(dvst_golden_registers2));
    487		}
    488		break;
    489	default:
    490		break;
    491	}
    492}
    493
    494#define BTC_IO_MC_REGS_SIZE 29
    495
    496static const u32 barts_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
    497	{0x00000077, 0xff010100},
    498	{0x00000078, 0x00000000},
    499	{0x00000079, 0x00001434},
    500	{0x0000007a, 0xcc08ec08},
    501	{0x0000007b, 0x00040000},
    502	{0x0000007c, 0x000080c0},
    503	{0x0000007d, 0x09000000},
    504	{0x0000007e, 0x00210404},
    505	{0x00000081, 0x08a8e800},
    506	{0x00000082, 0x00030444},
    507	{0x00000083, 0x00000000},
    508	{0x00000085, 0x00000001},
    509	{0x00000086, 0x00000002},
    510	{0x00000087, 0x48490000},
    511	{0x00000088, 0x20244647},
    512	{0x00000089, 0x00000005},
    513	{0x0000008b, 0x66030000},
    514	{0x0000008c, 0x00006603},
    515	{0x0000008d, 0x00000100},
    516	{0x0000008f, 0x00001c0a},
    517	{0x00000090, 0xff000001},
    518	{0x00000094, 0x00101101},
    519	{0x00000095, 0x00000fff},
    520	{0x00000096, 0x00116fff},
    521	{0x00000097, 0x60010000},
    522	{0x00000098, 0x10010000},
    523	{0x00000099, 0x00006000},
    524	{0x0000009a, 0x00001000},
    525	{0x0000009f, 0x00946a00}
    526};
    527
    528static const u32 turks_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
    529	{0x00000077, 0xff010100},
    530	{0x00000078, 0x00000000},
    531	{0x00000079, 0x00001434},
    532	{0x0000007a, 0xcc08ec08},
    533	{0x0000007b, 0x00040000},
    534	{0x0000007c, 0x000080c0},
    535	{0x0000007d, 0x09000000},
    536	{0x0000007e, 0x00210404},
    537	{0x00000081, 0x08a8e800},
    538	{0x00000082, 0x00030444},
    539	{0x00000083, 0x00000000},
    540	{0x00000085, 0x00000001},
    541	{0x00000086, 0x00000002},
    542	{0x00000087, 0x48490000},
    543	{0x00000088, 0x20244647},
    544	{0x00000089, 0x00000005},
    545	{0x0000008b, 0x66030000},
    546	{0x0000008c, 0x00006603},
    547	{0x0000008d, 0x00000100},
    548	{0x0000008f, 0x00001c0a},
    549	{0x00000090, 0xff000001},
    550	{0x00000094, 0x00101101},
    551	{0x00000095, 0x00000fff},
    552	{0x00000096, 0x00116fff},
    553	{0x00000097, 0x60010000},
    554	{0x00000098, 0x10010000},
    555	{0x00000099, 0x00006000},
    556	{0x0000009a, 0x00001000},
    557	{0x0000009f, 0x00936a00}
    558};
    559
    560static const u32 caicos_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
    561	{0x00000077, 0xff010100},
    562	{0x00000078, 0x00000000},
    563	{0x00000079, 0x00001434},
    564	{0x0000007a, 0xcc08ec08},
    565	{0x0000007b, 0x00040000},
    566	{0x0000007c, 0x000080c0},
    567	{0x0000007d, 0x09000000},
    568	{0x0000007e, 0x00210404},
    569	{0x00000081, 0x08a8e800},
    570	{0x00000082, 0x00030444},
    571	{0x00000083, 0x00000000},
    572	{0x00000085, 0x00000001},
    573	{0x00000086, 0x00000002},
    574	{0x00000087, 0x48490000},
    575	{0x00000088, 0x20244647},
    576	{0x00000089, 0x00000005},
    577	{0x0000008b, 0x66030000},
    578	{0x0000008c, 0x00006603},
    579	{0x0000008d, 0x00000100},
    580	{0x0000008f, 0x00001c0a},
    581	{0x00000090, 0xff000001},
    582	{0x00000094, 0x00101101},
    583	{0x00000095, 0x00000fff},
    584	{0x00000096, 0x00116fff},
    585	{0x00000097, 0x60010000},
    586	{0x00000098, 0x10010000},
    587	{0x00000099, 0x00006000},
    588	{0x0000009a, 0x00001000},
    589	{0x0000009f, 0x00916a00}
    590};
    591
    592static const u32 cayman_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
    593	{0x00000077, 0xff010100},
    594	{0x00000078, 0x00000000},
    595	{0x00000079, 0x00001434},
    596	{0x0000007a, 0xcc08ec08},
    597	{0x0000007b, 0x00040000},
    598	{0x0000007c, 0x000080c0},
    599	{0x0000007d, 0x09000000},
    600	{0x0000007e, 0x00210404},
    601	{0x00000081, 0x08a8e800},
    602	{0x00000082, 0x00030444},
    603	{0x00000083, 0x00000000},
    604	{0x00000085, 0x00000001},
    605	{0x00000086, 0x00000002},
    606	{0x00000087, 0x48490000},
    607	{0x00000088, 0x20244647},
    608	{0x00000089, 0x00000005},
    609	{0x0000008b, 0x66030000},
    610	{0x0000008c, 0x00006603},
    611	{0x0000008d, 0x00000100},
    612	{0x0000008f, 0x00001c0a},
    613	{0x00000090, 0xff000001},
    614	{0x00000094, 0x00101101},
    615	{0x00000095, 0x00000fff},
    616	{0x00000096, 0x00116fff},
    617	{0x00000097, 0x60010000},
    618	{0x00000098, 0x10010000},
    619	{0x00000099, 0x00006000},
    620	{0x0000009a, 0x00001000},
    621	{0x0000009f, 0x00976b00}
    622};
    623
    624int ni_mc_load_microcode(struct radeon_device *rdev)
    625{
    626	const __be32 *fw_data;
    627	u32 mem_type, running, blackout = 0;
    628	u32 *io_mc_regs;
    629	int i, ucode_size, regs_size;
    630
    631	if (!rdev->mc_fw)
    632		return -EINVAL;
    633
    634	switch (rdev->family) {
    635	case CHIP_BARTS:
    636		io_mc_regs = (u32 *)&barts_io_mc_regs;
    637		ucode_size = BTC_MC_UCODE_SIZE;
    638		regs_size = BTC_IO_MC_REGS_SIZE;
    639		break;
    640	case CHIP_TURKS:
    641		io_mc_regs = (u32 *)&turks_io_mc_regs;
    642		ucode_size = BTC_MC_UCODE_SIZE;
    643		regs_size = BTC_IO_MC_REGS_SIZE;
    644		break;
    645	case CHIP_CAICOS:
    646	default:
    647		io_mc_regs = (u32 *)&caicos_io_mc_regs;
    648		ucode_size = BTC_MC_UCODE_SIZE;
    649		regs_size = BTC_IO_MC_REGS_SIZE;
    650		break;
    651	case CHIP_CAYMAN:
    652		io_mc_regs = (u32 *)&cayman_io_mc_regs;
    653		ucode_size = CAYMAN_MC_UCODE_SIZE;
    654		regs_size = BTC_IO_MC_REGS_SIZE;
    655		break;
    656	}
    657
    658	mem_type = (RREG32(MC_SEQ_MISC0) & MC_SEQ_MISC0_GDDR5_MASK) >> MC_SEQ_MISC0_GDDR5_SHIFT;
    659	running = RREG32(MC_SEQ_SUP_CNTL) & RUN_MASK;
    660
    661	if ((mem_type == MC_SEQ_MISC0_GDDR5_VALUE) && (running == 0)) {
    662		if (running) {
    663			blackout = RREG32(MC_SHARED_BLACKOUT_CNTL);
    664			WREG32(MC_SHARED_BLACKOUT_CNTL, 1);
    665		}
    666
    667		/* reset the engine and set to writable */
    668		WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
    669		WREG32(MC_SEQ_SUP_CNTL, 0x00000010);
    670
    671		/* load mc io regs */
    672		for (i = 0; i < regs_size; i++) {
    673			WREG32(MC_SEQ_IO_DEBUG_INDEX, io_mc_regs[(i << 1)]);
    674			WREG32(MC_SEQ_IO_DEBUG_DATA, io_mc_regs[(i << 1) + 1]);
    675		}
    676		/* load the MC ucode */
    677		fw_data = (const __be32 *)rdev->mc_fw->data;
    678		for (i = 0; i < ucode_size; i++)
    679			WREG32(MC_SEQ_SUP_PGM, be32_to_cpup(fw_data++));
    680
    681		/* put the engine back into the active state */
    682		WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
    683		WREG32(MC_SEQ_SUP_CNTL, 0x00000004);
    684		WREG32(MC_SEQ_SUP_CNTL, 0x00000001);
    685
    686		/* wait for training to complete */
    687		for (i = 0; i < rdev->usec_timeout; i++) {
    688			if (RREG32(MC_IO_PAD_CNTL_D0) & MEM_FALL_OUT_CMD)
    689				break;
    690			udelay(1);
    691		}
    692
    693		if (running)
    694			WREG32(MC_SHARED_BLACKOUT_CNTL, blackout);
    695	}
    696
    697	return 0;
    698}
    699
    700int ni_init_microcode(struct radeon_device *rdev)
    701{
    702	const char *chip_name;
    703	const char *rlc_chip_name;
    704	size_t pfp_req_size, me_req_size, rlc_req_size, mc_req_size;
    705	size_t smc_req_size = 0;
    706	char fw_name[30];
    707	int err;
    708
    709	DRM_DEBUG("\n");
    710
    711	switch (rdev->family) {
    712	case CHIP_BARTS:
    713		chip_name = "BARTS";
    714		rlc_chip_name = "BTC";
    715		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
    716		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
    717		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
    718		mc_req_size = BTC_MC_UCODE_SIZE * 4;
    719		smc_req_size = ALIGN(BARTS_SMC_UCODE_SIZE, 4);
    720		break;
    721	case CHIP_TURKS:
    722		chip_name = "TURKS";
    723		rlc_chip_name = "BTC";
    724		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
    725		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
    726		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
    727		mc_req_size = BTC_MC_UCODE_SIZE * 4;
    728		smc_req_size = ALIGN(TURKS_SMC_UCODE_SIZE, 4);
    729		break;
    730	case CHIP_CAICOS:
    731		chip_name = "CAICOS";
    732		rlc_chip_name = "BTC";
    733		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
    734		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
    735		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
    736		mc_req_size = BTC_MC_UCODE_SIZE * 4;
    737		smc_req_size = ALIGN(CAICOS_SMC_UCODE_SIZE, 4);
    738		break;
    739	case CHIP_CAYMAN:
    740		chip_name = "CAYMAN";
    741		rlc_chip_name = "CAYMAN";
    742		pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4;
    743		me_req_size = CAYMAN_PM4_UCODE_SIZE * 4;
    744		rlc_req_size = CAYMAN_RLC_UCODE_SIZE * 4;
    745		mc_req_size = CAYMAN_MC_UCODE_SIZE * 4;
    746		smc_req_size = ALIGN(CAYMAN_SMC_UCODE_SIZE, 4);
    747		break;
    748	case CHIP_ARUBA:
    749		chip_name = "ARUBA";
    750		rlc_chip_name = "ARUBA";
    751		/* pfp/me same size as CAYMAN */
    752		pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4;
    753		me_req_size = CAYMAN_PM4_UCODE_SIZE * 4;
    754		rlc_req_size = ARUBA_RLC_UCODE_SIZE * 4;
    755		mc_req_size = 0;
    756		break;
    757	default: BUG();
    758	}
    759
    760	DRM_INFO("Loading %s Microcode\n", chip_name);
    761
    762	snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
    763	err = request_firmware(&rdev->pfp_fw, fw_name, rdev->dev);
    764	if (err)
    765		goto out;
    766	if (rdev->pfp_fw->size != pfp_req_size) {
    767		pr_err("ni_cp: Bogus length %zu in firmware \"%s\"\n",
    768		       rdev->pfp_fw->size, fw_name);
    769		err = -EINVAL;
    770		goto out;
    771	}
    772
    773	snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
    774	err = request_firmware(&rdev->me_fw, fw_name, rdev->dev);
    775	if (err)
    776		goto out;
    777	if (rdev->me_fw->size != me_req_size) {
    778		pr_err("ni_cp: Bogus length %zu in firmware \"%s\"\n",
    779		       rdev->me_fw->size, fw_name);
    780		err = -EINVAL;
    781	}
    782
    783	snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name);
    784	err = request_firmware(&rdev->rlc_fw, fw_name, rdev->dev);
    785	if (err)
    786		goto out;
    787	if (rdev->rlc_fw->size != rlc_req_size) {
    788		pr_err("ni_rlc: Bogus length %zu in firmware \"%s\"\n",
    789		       rdev->rlc_fw->size, fw_name);
    790		err = -EINVAL;
    791	}
    792
    793	/* no MC ucode on TN */
    794	if (!(rdev->flags & RADEON_IS_IGP)) {
    795		snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
    796		err = request_firmware(&rdev->mc_fw, fw_name, rdev->dev);
    797		if (err)
    798			goto out;
    799		if (rdev->mc_fw->size != mc_req_size) {
    800			pr_err("ni_mc: Bogus length %zu in firmware \"%s\"\n",
    801			       rdev->mc_fw->size, fw_name);
    802			err = -EINVAL;
    803		}
    804	}
    805
    806	if ((rdev->family >= CHIP_BARTS) && (rdev->family <= CHIP_CAYMAN)) {
    807		snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", chip_name);
    808		err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev);
    809		if (err) {
    810			pr_err("smc: error loading firmware \"%s\"\n", fw_name);
    811			release_firmware(rdev->smc_fw);
    812			rdev->smc_fw = NULL;
    813			err = 0;
    814		} else if (rdev->smc_fw->size != smc_req_size) {
    815			pr_err("ni_mc: Bogus length %zu in firmware \"%s\"\n",
    816			       rdev->mc_fw->size, fw_name);
    817			err = -EINVAL;
    818		}
    819	}
    820
    821out:
    822	if (err) {
    823		if (err != -EINVAL)
    824			pr_err("ni_cp: Failed to load firmware \"%s\"\n",
    825			       fw_name);
    826		release_firmware(rdev->pfp_fw);
    827		rdev->pfp_fw = NULL;
    828		release_firmware(rdev->me_fw);
    829		rdev->me_fw = NULL;
    830		release_firmware(rdev->rlc_fw);
    831		rdev->rlc_fw = NULL;
    832		release_firmware(rdev->mc_fw);
    833		rdev->mc_fw = NULL;
    834	}
    835	return err;
    836}
    837
    838/**
    839 * cayman_get_allowed_info_register - fetch the register for the info ioctl
    840 *
    841 * @rdev: radeon_device pointer
    842 * @reg: register offset in bytes
    843 * @val: register value
    844 *
    845 * Returns 0 for success or -EINVAL for an invalid register
    846 *
    847 */
    848int cayman_get_allowed_info_register(struct radeon_device *rdev,
    849				     u32 reg, u32 *val)
    850{
    851	switch (reg) {
    852	case GRBM_STATUS:
    853	case GRBM_STATUS_SE0:
    854	case GRBM_STATUS_SE1:
    855	case SRBM_STATUS:
    856	case SRBM_STATUS2:
    857	case (DMA_STATUS_REG + DMA0_REGISTER_OFFSET):
    858	case (DMA_STATUS_REG + DMA1_REGISTER_OFFSET):
    859	case UVD_STATUS:
    860		*val = RREG32(reg);
    861		return 0;
    862	default:
    863		return -EINVAL;
    864	}
    865}
    866
    867int tn_get_temp(struct radeon_device *rdev)
    868{
    869	u32 temp = RREG32_SMC(TN_CURRENT_GNB_TEMP) & 0x7ff;
    870	int actual_temp = (temp / 8) - 49;
    871
    872	return actual_temp * 1000;
    873}
    874
    875/*
    876 * Core functions
    877 */
    878static void cayman_gpu_init(struct radeon_device *rdev)
    879{
    880	u32 gb_addr_config = 0;
    881	u32 mc_arb_ramcfg;
    882	u32 cgts_tcc_disable;
    883	u32 sx_debug_1;
    884	u32 smx_dc_ctl0;
    885	u32 cgts_sm_ctrl_reg;
    886	u32 hdp_host_path_cntl;
    887	u32 tmp;
    888	u32 disabled_rb_mask;
    889	int i, j;
    890
    891	switch (rdev->family) {
    892	case CHIP_CAYMAN:
    893		rdev->config.cayman.max_shader_engines = 2;
    894		rdev->config.cayman.max_pipes_per_simd = 4;
    895		rdev->config.cayman.max_tile_pipes = 8;
    896		rdev->config.cayman.max_simds_per_se = 12;
    897		rdev->config.cayman.max_backends_per_se = 4;
    898		rdev->config.cayman.max_texture_channel_caches = 8;
    899		rdev->config.cayman.max_gprs = 256;
    900		rdev->config.cayman.max_threads = 256;
    901		rdev->config.cayman.max_gs_threads = 32;
    902		rdev->config.cayman.max_stack_entries = 512;
    903		rdev->config.cayman.sx_num_of_sets = 8;
    904		rdev->config.cayman.sx_max_export_size = 256;
    905		rdev->config.cayman.sx_max_export_pos_size = 64;
    906		rdev->config.cayman.sx_max_export_smx_size = 192;
    907		rdev->config.cayman.max_hw_contexts = 8;
    908		rdev->config.cayman.sq_num_cf_insts = 2;
    909
    910		rdev->config.cayman.sc_prim_fifo_size = 0x100;
    911		rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30;
    912		rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130;
    913		gb_addr_config = CAYMAN_GB_ADDR_CONFIG_GOLDEN;
    914		break;
    915	case CHIP_ARUBA:
    916	default:
    917		rdev->config.cayman.max_shader_engines = 1;
    918		rdev->config.cayman.max_pipes_per_simd = 4;
    919		rdev->config.cayman.max_tile_pipes = 2;
    920		if ((rdev->pdev->device == 0x9900) ||
    921		    (rdev->pdev->device == 0x9901) ||
    922		    (rdev->pdev->device == 0x9905) ||
    923		    (rdev->pdev->device == 0x9906) ||
    924		    (rdev->pdev->device == 0x9907) ||
    925		    (rdev->pdev->device == 0x9908) ||
    926		    (rdev->pdev->device == 0x9909) ||
    927		    (rdev->pdev->device == 0x990B) ||
    928		    (rdev->pdev->device == 0x990C) ||
    929		    (rdev->pdev->device == 0x990F) ||
    930		    (rdev->pdev->device == 0x9910) ||
    931		    (rdev->pdev->device == 0x9917) ||
    932		    (rdev->pdev->device == 0x9999) ||
    933		    (rdev->pdev->device == 0x999C)) {
    934			rdev->config.cayman.max_simds_per_se = 6;
    935			rdev->config.cayman.max_backends_per_se = 2;
    936			rdev->config.cayman.max_hw_contexts = 8;
    937			rdev->config.cayman.sx_max_export_size = 256;
    938			rdev->config.cayman.sx_max_export_pos_size = 64;
    939			rdev->config.cayman.sx_max_export_smx_size = 192;
    940		} else if ((rdev->pdev->device == 0x9903) ||
    941			   (rdev->pdev->device == 0x9904) ||
    942			   (rdev->pdev->device == 0x990A) ||
    943			   (rdev->pdev->device == 0x990D) ||
    944			   (rdev->pdev->device == 0x990E) ||
    945			   (rdev->pdev->device == 0x9913) ||
    946			   (rdev->pdev->device == 0x9918) ||
    947			   (rdev->pdev->device == 0x999D)) {
    948			rdev->config.cayman.max_simds_per_se = 4;
    949			rdev->config.cayman.max_backends_per_se = 2;
    950			rdev->config.cayman.max_hw_contexts = 8;
    951			rdev->config.cayman.sx_max_export_size = 256;
    952			rdev->config.cayman.sx_max_export_pos_size = 64;
    953			rdev->config.cayman.sx_max_export_smx_size = 192;
    954		} else if ((rdev->pdev->device == 0x9919) ||
    955			   (rdev->pdev->device == 0x9990) ||
    956			   (rdev->pdev->device == 0x9991) ||
    957			   (rdev->pdev->device == 0x9994) ||
    958			   (rdev->pdev->device == 0x9995) ||
    959			   (rdev->pdev->device == 0x9996) ||
    960			   (rdev->pdev->device == 0x999A) ||
    961			   (rdev->pdev->device == 0x99A0)) {
    962			rdev->config.cayman.max_simds_per_se = 3;
    963			rdev->config.cayman.max_backends_per_se = 1;
    964			rdev->config.cayman.max_hw_contexts = 4;
    965			rdev->config.cayman.sx_max_export_size = 128;
    966			rdev->config.cayman.sx_max_export_pos_size = 32;
    967			rdev->config.cayman.sx_max_export_smx_size = 96;
    968		} else {
    969			rdev->config.cayman.max_simds_per_se = 2;
    970			rdev->config.cayman.max_backends_per_se = 1;
    971			rdev->config.cayman.max_hw_contexts = 4;
    972			rdev->config.cayman.sx_max_export_size = 128;
    973			rdev->config.cayman.sx_max_export_pos_size = 32;
    974			rdev->config.cayman.sx_max_export_smx_size = 96;
    975		}
    976		rdev->config.cayman.max_texture_channel_caches = 2;
    977		rdev->config.cayman.max_gprs = 256;
    978		rdev->config.cayman.max_threads = 256;
    979		rdev->config.cayman.max_gs_threads = 32;
    980		rdev->config.cayman.max_stack_entries = 512;
    981		rdev->config.cayman.sx_num_of_sets = 8;
    982		rdev->config.cayman.sq_num_cf_insts = 2;
    983
    984		rdev->config.cayman.sc_prim_fifo_size = 0x40;
    985		rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30;
    986		rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130;
    987		gb_addr_config = ARUBA_GB_ADDR_CONFIG_GOLDEN;
    988		break;
    989	}
    990
    991	/* Initialize HDP */
    992	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
    993		WREG32((0x2c14 + j), 0x00000000);
    994		WREG32((0x2c18 + j), 0x00000000);
    995		WREG32((0x2c1c + j), 0x00000000);
    996		WREG32((0x2c20 + j), 0x00000000);
    997		WREG32((0x2c24 + j), 0x00000000);
    998	}
    999
   1000	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
   1001	WREG32(SRBM_INT_CNTL, 0x1);
   1002	WREG32(SRBM_INT_ACK, 0x1);
   1003
   1004	evergreen_fix_pci_max_read_req_size(rdev);
   1005
   1006	RREG32(MC_SHARED_CHMAP);
   1007	mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
   1008
   1009	tmp = (mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT;
   1010	rdev->config.cayman.mem_row_size_in_kb = (4 * (1 << (8 + tmp))) / 1024;
   1011	if (rdev->config.cayman.mem_row_size_in_kb > 4)
   1012		rdev->config.cayman.mem_row_size_in_kb = 4;
   1013	/* XXX use MC settings? */
   1014	rdev->config.cayman.shader_engine_tile_size = 32;
   1015	rdev->config.cayman.num_gpus = 1;
   1016	rdev->config.cayman.multi_gpu_tile_size = 64;
   1017
   1018	tmp = (gb_addr_config & NUM_PIPES_MASK) >> NUM_PIPES_SHIFT;
   1019	rdev->config.cayman.num_tile_pipes = (1 << tmp);
   1020	tmp = (gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT;
   1021	rdev->config.cayman.mem_max_burst_length_bytes = (tmp + 1) * 256;
   1022	tmp = (gb_addr_config & NUM_SHADER_ENGINES_MASK) >> NUM_SHADER_ENGINES_SHIFT;
   1023	rdev->config.cayman.num_shader_engines = tmp + 1;
   1024	tmp = (gb_addr_config & NUM_GPUS_MASK) >> NUM_GPUS_SHIFT;
   1025	rdev->config.cayman.num_gpus = tmp + 1;
   1026	tmp = (gb_addr_config & MULTI_GPU_TILE_SIZE_MASK) >> MULTI_GPU_TILE_SIZE_SHIFT;
   1027	rdev->config.cayman.multi_gpu_tile_size = 1 << tmp;
   1028	tmp = (gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT;
   1029	rdev->config.cayman.mem_row_size_in_kb = 1 << tmp;
   1030
   1031
   1032	/* setup tiling info dword.  gb_addr_config is not adequate since it does
   1033	 * not have bank info, so create a custom tiling dword.
   1034	 * bits 3:0   num_pipes
   1035	 * bits 7:4   num_banks
   1036	 * bits 11:8  group_size
   1037	 * bits 15:12 row_size
   1038	 */
   1039	rdev->config.cayman.tile_config = 0;
   1040	switch (rdev->config.cayman.num_tile_pipes) {
   1041	case 1:
   1042	default:
   1043		rdev->config.cayman.tile_config |= (0 << 0);
   1044		break;
   1045	case 2:
   1046		rdev->config.cayman.tile_config |= (1 << 0);
   1047		break;
   1048	case 4:
   1049		rdev->config.cayman.tile_config |= (2 << 0);
   1050		break;
   1051	case 8:
   1052		rdev->config.cayman.tile_config |= (3 << 0);
   1053		break;
   1054	}
   1055
   1056	/* num banks is 8 on all fusion asics. 0 = 4, 1 = 8, 2 = 16 */
   1057	if (rdev->flags & RADEON_IS_IGP)
   1058		rdev->config.cayman.tile_config |= 1 << 4;
   1059	else {
   1060		switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) {
   1061		case 0: /* four banks */
   1062			rdev->config.cayman.tile_config |= 0 << 4;
   1063			break;
   1064		case 1: /* eight banks */
   1065			rdev->config.cayman.tile_config |= 1 << 4;
   1066			break;
   1067		case 2: /* sixteen banks */
   1068		default:
   1069			rdev->config.cayman.tile_config |= 2 << 4;
   1070			break;
   1071		}
   1072	}
   1073	rdev->config.cayman.tile_config |=
   1074		((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT) << 8;
   1075	rdev->config.cayman.tile_config |=
   1076		((gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT) << 12;
   1077
   1078	tmp = 0;
   1079	for (i = (rdev->config.cayman.max_shader_engines - 1); i >= 0; i--) {
   1080		u32 rb_disable_bitmap;
   1081
   1082		WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
   1083		WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
   1084		rb_disable_bitmap = (RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000) >> 16;
   1085		tmp <<= 4;
   1086		tmp |= rb_disable_bitmap;
   1087	}
   1088	/* enabled rb are just the one not disabled :) */
   1089	disabled_rb_mask = tmp;
   1090	tmp = 0;
   1091	for (i = 0; i < (rdev->config.cayman.max_backends_per_se * rdev->config.cayman.max_shader_engines); i++)
   1092		tmp |= (1 << i);
   1093	/* if all the backends are disabled, fix it up here */
   1094	if ((disabled_rb_mask & tmp) == tmp) {
   1095		for (i = 0; i < (rdev->config.cayman.max_backends_per_se * rdev->config.cayman.max_shader_engines); i++)
   1096			disabled_rb_mask &= ~(1 << i);
   1097	}
   1098
   1099	for (i = 0; i < rdev->config.cayman.max_shader_engines; i++) {
   1100		u32 simd_disable_bitmap;
   1101
   1102		WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
   1103		WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
   1104		simd_disable_bitmap = (RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffff0000) >> 16;
   1105		simd_disable_bitmap |= 0xffffffff << rdev->config.cayman.max_simds_per_se;
   1106		tmp <<= 16;
   1107		tmp |= simd_disable_bitmap;
   1108	}
   1109	rdev->config.cayman.active_simds = hweight32(~tmp);
   1110
   1111	WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
   1112	WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
   1113
   1114	WREG32(GB_ADDR_CONFIG, gb_addr_config);
   1115	WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
   1116	if (ASIC_IS_DCE6(rdev))
   1117		WREG32(DMIF_ADDR_CALC, gb_addr_config);
   1118	WREG32(HDP_ADDR_CONFIG, gb_addr_config);
   1119	WREG32(DMA_TILING_CONFIG + DMA0_REGISTER_OFFSET, gb_addr_config);
   1120	WREG32(DMA_TILING_CONFIG + DMA1_REGISTER_OFFSET, gb_addr_config);
   1121	WREG32(UVD_UDEC_ADDR_CONFIG, gb_addr_config);
   1122	WREG32(UVD_UDEC_DB_ADDR_CONFIG, gb_addr_config);
   1123	WREG32(UVD_UDEC_DBW_ADDR_CONFIG, gb_addr_config);
   1124
   1125	if ((rdev->config.cayman.max_backends_per_se == 1) &&
   1126	    (rdev->flags & RADEON_IS_IGP)) {
   1127		if ((disabled_rb_mask & 3) == 2) {
   1128			/* RB1 disabled, RB0 enabled */
   1129			tmp = 0x00000000;
   1130		} else {
   1131			/* RB0 disabled, RB1 enabled */
   1132			tmp = 0x11111111;
   1133		}
   1134	} else {
   1135		tmp = gb_addr_config & NUM_PIPES_MASK;
   1136		tmp = r6xx_remap_render_backend(rdev, tmp,
   1137						rdev->config.cayman.max_backends_per_se *
   1138						rdev->config.cayman.max_shader_engines,
   1139						CAYMAN_MAX_BACKENDS, disabled_rb_mask);
   1140	}
   1141	rdev->config.cayman.backend_map = tmp;
   1142	WREG32(GB_BACKEND_MAP, tmp);
   1143
   1144	cgts_tcc_disable = 0xffff0000;
   1145	for (i = 0; i < rdev->config.cayman.max_texture_channel_caches; i++)
   1146		cgts_tcc_disable &= ~(1 << (16 + i));
   1147	WREG32(CGTS_TCC_DISABLE, cgts_tcc_disable);
   1148	WREG32(CGTS_SYS_TCC_DISABLE, cgts_tcc_disable);
   1149	WREG32(CGTS_USER_SYS_TCC_DISABLE, cgts_tcc_disable);
   1150	WREG32(CGTS_USER_TCC_DISABLE, cgts_tcc_disable);
   1151
   1152	/* reprogram the shader complex */
   1153	cgts_sm_ctrl_reg = RREG32(CGTS_SM_CTRL_REG);
   1154	for (i = 0; i < 16; i++)
   1155		WREG32(CGTS_SM_CTRL_REG, OVERRIDE);
   1156	WREG32(CGTS_SM_CTRL_REG, cgts_sm_ctrl_reg);
   1157
   1158	/* set HW defaults for 3D engine */
   1159	WREG32(CP_MEQ_THRESHOLDS, MEQ1_START(0x30) | MEQ2_START(0x60));
   1160
   1161	sx_debug_1 = RREG32(SX_DEBUG_1);
   1162	sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
   1163	WREG32(SX_DEBUG_1, sx_debug_1);
   1164
   1165	smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
   1166	smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff);
   1167	smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.cayman.sx_num_of_sets);
   1168	WREG32(SMX_DC_CTL0, smx_dc_ctl0);
   1169
   1170	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4) | CRC_SIMD_ID_WADDR_DISABLE);
   1171
   1172	/* need to be explicitly zero-ed */
   1173	WREG32(VGT_OFFCHIP_LDS_BASE, 0);
   1174	WREG32(SQ_LSTMP_RING_BASE, 0);
   1175	WREG32(SQ_HSTMP_RING_BASE, 0);
   1176	WREG32(SQ_ESTMP_RING_BASE, 0);
   1177	WREG32(SQ_GSTMP_RING_BASE, 0);
   1178	WREG32(SQ_VSTMP_RING_BASE, 0);
   1179	WREG32(SQ_PSTMP_RING_BASE, 0);
   1180
   1181	WREG32(TA_CNTL_AUX, DISABLE_CUBE_ANISO);
   1182
   1183	WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.cayman.sx_max_export_size / 4) - 1) |
   1184					POSITION_BUFFER_SIZE((rdev->config.cayman.sx_max_export_pos_size / 4) - 1) |
   1185					SMX_BUFFER_SIZE((rdev->config.cayman.sx_max_export_smx_size / 4) - 1)));
   1186
   1187	WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.cayman.sc_prim_fifo_size) |
   1188				 SC_HIZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_hiz_tile_fifo_size) |
   1189				 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_earlyz_tile_fifo_size)));
   1190
   1191
   1192	WREG32(VGT_NUM_INSTANCES, 1);
   1193
   1194	WREG32(CP_PERFMON_CNTL, 0);
   1195
   1196	WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.cayman.sq_num_cf_insts) |
   1197				  FETCH_FIFO_HIWATER(0x4) |
   1198				  DONE_FIFO_HIWATER(0xe0) |
   1199				  ALU_UPDATE_FIFO_HIWATER(0x8)));
   1200
   1201	WREG32(SQ_GPR_RESOURCE_MGMT_1, NUM_CLAUSE_TEMP_GPRS(4));
   1202	WREG32(SQ_CONFIG, (VC_ENABLE |
   1203			   EXPORT_SRC_C |
   1204			   GFX_PRIO(0) |
   1205			   CS1_PRIO(0) |
   1206			   CS2_PRIO(1)));
   1207	WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, DYN_GPR_ENABLE);
   1208
   1209	WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
   1210					  FORCE_EOV_MAX_REZ_CNT(255)));
   1211
   1212	WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC) |
   1213	       AUTO_INVLD_EN(ES_AND_GS_AUTO));
   1214
   1215	WREG32(VGT_GS_VERTEX_REUSE, 16);
   1216	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
   1217
   1218	WREG32(CB_PERF_CTR0_SEL_0, 0);
   1219	WREG32(CB_PERF_CTR0_SEL_1, 0);
   1220	WREG32(CB_PERF_CTR1_SEL_0, 0);
   1221	WREG32(CB_PERF_CTR1_SEL_1, 0);
   1222	WREG32(CB_PERF_CTR2_SEL_0, 0);
   1223	WREG32(CB_PERF_CTR2_SEL_1, 0);
   1224	WREG32(CB_PERF_CTR3_SEL_0, 0);
   1225	WREG32(CB_PERF_CTR3_SEL_1, 0);
   1226
   1227	tmp = RREG32(HDP_MISC_CNTL);
   1228	tmp |= HDP_FLUSH_INVALIDATE_CACHE;
   1229	WREG32(HDP_MISC_CNTL, tmp);
   1230
   1231	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
   1232	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
   1233
   1234	WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
   1235
   1236	udelay(50);
   1237
   1238	/* set clockgating golden values on TN */
   1239	if (rdev->family == CHIP_ARUBA) {
   1240		tmp = RREG32_CG(CG_CGTT_LOCAL_0);
   1241		tmp &= ~0x00380000;
   1242		WREG32_CG(CG_CGTT_LOCAL_0, tmp);
   1243		tmp = RREG32_CG(CG_CGTT_LOCAL_1);
   1244		tmp &= ~0x0e000000;
   1245		WREG32_CG(CG_CGTT_LOCAL_1, tmp);
   1246	}
   1247}
   1248
   1249/*
   1250 * GART
   1251 */
   1252void cayman_pcie_gart_tlb_flush(struct radeon_device *rdev)
   1253{
   1254	/* flush hdp cache */
   1255	WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
   1256
   1257	/* bits 0-7 are the VM contexts0-7 */
   1258	WREG32(VM_INVALIDATE_REQUEST, 1);
   1259}
   1260
   1261static int cayman_pcie_gart_enable(struct radeon_device *rdev)
   1262{
   1263	int i, r;
   1264
   1265	if (rdev->gart.robj == NULL) {
   1266		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
   1267		return -EINVAL;
   1268	}
   1269	r = radeon_gart_table_vram_pin(rdev);
   1270	if (r)
   1271		return r;
   1272	/* Setup TLB control */
   1273	WREG32(MC_VM_MX_L1_TLB_CNTL,
   1274	       (0xA << 7) |
   1275	       ENABLE_L1_TLB |
   1276	       ENABLE_L1_FRAGMENT_PROCESSING |
   1277	       SYSTEM_ACCESS_MODE_NOT_IN_SYS |
   1278	       ENABLE_ADVANCED_DRIVER_MODEL |
   1279	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
   1280	/* Setup L2 cache */
   1281	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE |
   1282	       ENABLE_L2_FRAGMENT_PROCESSING |
   1283	       ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
   1284	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
   1285	       EFFECTIVE_L2_QUEUE_SIZE(7) |
   1286	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
   1287	WREG32(VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS | INVALIDATE_L2_CACHE);
   1288	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
   1289	       BANK_SELECT(6) |
   1290	       L2_CACHE_BIGK_FRAGMENT_SIZE(6));
   1291	/* setup context0 */
   1292	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
   1293	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
   1294	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
   1295	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
   1296			(u32)(rdev->dummy_page.addr >> 12));
   1297	WREG32(VM_CONTEXT0_CNTL2, 0);
   1298	WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
   1299				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
   1300
   1301	WREG32(0x15D4, 0);
   1302	WREG32(0x15D8, 0);
   1303	WREG32(0x15DC, 0);
   1304
   1305	/* empty context1-7 */
   1306	/* Assign the pt base to something valid for now; the pts used for
   1307	 * the VMs are determined by the application and setup and assigned
   1308	 * on the fly in the vm part of radeon_gart.c
   1309	 */
   1310	for (i = 1; i < 8; i++) {
   1311		WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (i << 2), 0);
   1312		WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (i << 2),
   1313			rdev->vm_manager.max_pfn - 1);
   1314		WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2),
   1315		       rdev->vm_manager.saved_table_addr[i]);
   1316	}
   1317
   1318	/* enable context1-7 */
   1319	WREG32(VM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR,
   1320	       (u32)(rdev->dummy_page.addr >> 12));
   1321	WREG32(VM_CONTEXT1_CNTL2, 4);
   1322	WREG32(VM_CONTEXT1_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(1) |
   1323				PAGE_TABLE_BLOCK_SIZE(radeon_vm_block_size - 9) |
   1324				RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
   1325				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT |
   1326				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
   1327				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT |
   1328				PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT |
   1329				PDE0_PROTECTION_FAULT_ENABLE_DEFAULT |
   1330				VALID_PROTECTION_FAULT_ENABLE_INTERRUPT |
   1331				VALID_PROTECTION_FAULT_ENABLE_DEFAULT |
   1332				READ_PROTECTION_FAULT_ENABLE_INTERRUPT |
   1333				READ_PROTECTION_FAULT_ENABLE_DEFAULT |
   1334				WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT |
   1335				WRITE_PROTECTION_FAULT_ENABLE_DEFAULT);
   1336
   1337	cayman_pcie_gart_tlb_flush(rdev);
   1338	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
   1339		 (unsigned)(rdev->mc.gtt_size >> 20),
   1340		 (unsigned long long)rdev->gart.table_addr);
   1341	rdev->gart.ready = true;
   1342	return 0;
   1343}
   1344
   1345static void cayman_pcie_gart_disable(struct radeon_device *rdev)
   1346{
   1347	unsigned i;
   1348
   1349	for (i = 1; i < 8; ++i) {
   1350		rdev->vm_manager.saved_table_addr[i] = RREG32(
   1351			VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2));
   1352	}
   1353
   1354	/* Disable all tables */
   1355	WREG32(VM_CONTEXT0_CNTL, 0);
   1356	WREG32(VM_CONTEXT1_CNTL, 0);
   1357	/* Setup TLB control */
   1358	WREG32(MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING |
   1359	       SYSTEM_ACCESS_MODE_NOT_IN_SYS |
   1360	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
   1361	/* Setup L2 cache */
   1362	WREG32(VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
   1363	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
   1364	       EFFECTIVE_L2_QUEUE_SIZE(7) |
   1365	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
   1366	WREG32(VM_L2_CNTL2, 0);
   1367	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
   1368	       L2_CACHE_BIGK_FRAGMENT_SIZE(6));
   1369	radeon_gart_table_vram_unpin(rdev);
   1370}
   1371
   1372static void cayman_pcie_gart_fini(struct radeon_device *rdev)
   1373{
   1374	cayman_pcie_gart_disable(rdev);
   1375	radeon_gart_table_vram_free(rdev);
   1376	radeon_gart_fini(rdev);
   1377}
   1378
   1379void cayman_cp_int_cntl_setup(struct radeon_device *rdev,
   1380			      int ring, u32 cp_int_cntl)
   1381{
   1382	WREG32(SRBM_GFX_CNTL, RINGID(ring));
   1383	WREG32(CP_INT_CNTL, cp_int_cntl);
   1384}
   1385
   1386/*
   1387 * CP.
   1388 */
   1389void cayman_fence_ring_emit(struct radeon_device *rdev,
   1390			    struct radeon_fence *fence)
   1391{
   1392	struct radeon_ring *ring = &rdev->ring[fence->ring];
   1393	u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
   1394	u32 cp_coher_cntl = PACKET3_FULL_CACHE_ENA | PACKET3_TC_ACTION_ENA |
   1395		PACKET3_SH_ACTION_ENA;
   1396
   1397	/* flush read cache over gart for this vmid */
   1398	radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
   1399	radeon_ring_write(ring, PACKET3_ENGINE_ME | cp_coher_cntl);
   1400	radeon_ring_write(ring, 0xFFFFFFFF);
   1401	radeon_ring_write(ring, 0);
   1402	radeon_ring_write(ring, 10); /* poll interval */
   1403	/* EVENT_WRITE_EOP - flush caches, send int */
   1404	radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
   1405	radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5));
   1406	radeon_ring_write(ring, lower_32_bits(addr));
   1407	radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
   1408	radeon_ring_write(ring, fence->seq);
   1409	radeon_ring_write(ring, 0);
   1410}
   1411
   1412void cayman_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
   1413{
   1414	struct radeon_ring *ring = &rdev->ring[ib->ring];
   1415	unsigned vm_id = ib->vm ? ib->vm->ids[ib->ring].id : 0;
   1416	u32 cp_coher_cntl = PACKET3_FULL_CACHE_ENA | PACKET3_TC_ACTION_ENA |
   1417		PACKET3_SH_ACTION_ENA;
   1418
   1419	/* set to DX10/11 mode */
   1420	radeon_ring_write(ring, PACKET3(PACKET3_MODE_CONTROL, 0));
   1421	radeon_ring_write(ring, 1);
   1422
   1423	if (ring->rptr_save_reg) {
   1424		uint32_t next_rptr = ring->wptr + 3 + 4 + 8;
   1425		radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
   1426		radeon_ring_write(ring, ((ring->rptr_save_reg - 
   1427					  PACKET3_SET_CONFIG_REG_START) >> 2));
   1428		radeon_ring_write(ring, next_rptr);
   1429	}
   1430
   1431	radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
   1432	radeon_ring_write(ring,
   1433#ifdef __BIG_ENDIAN
   1434			  (2 << 0) |
   1435#endif
   1436			  (ib->gpu_addr & 0xFFFFFFFC));
   1437	radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
   1438	radeon_ring_write(ring, ib->length_dw | (vm_id << 24));
   1439
   1440	/* flush read cache over gart for this vmid */
   1441	radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
   1442	radeon_ring_write(ring, PACKET3_ENGINE_ME | cp_coher_cntl);
   1443	radeon_ring_write(ring, 0xFFFFFFFF);
   1444	radeon_ring_write(ring, 0);
   1445	radeon_ring_write(ring, (vm_id << 24) | 10); /* poll interval */
   1446}
   1447
   1448static void cayman_cp_enable(struct radeon_device *rdev, bool enable)
   1449{
   1450	if (enable)
   1451		WREG32(CP_ME_CNTL, 0);
   1452	else {
   1453		if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
   1454			radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
   1455		WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
   1456		WREG32(SCRATCH_UMSK, 0);
   1457		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
   1458	}
   1459}
   1460
   1461u32 cayman_gfx_get_rptr(struct radeon_device *rdev,
   1462			struct radeon_ring *ring)
   1463{
   1464	u32 rptr;
   1465
   1466	if (rdev->wb.enabled)
   1467		rptr = rdev->wb.wb[ring->rptr_offs/4];
   1468	else {
   1469		if (ring->idx == RADEON_RING_TYPE_GFX_INDEX)
   1470			rptr = RREG32(CP_RB0_RPTR);
   1471		else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX)
   1472			rptr = RREG32(CP_RB1_RPTR);
   1473		else
   1474			rptr = RREG32(CP_RB2_RPTR);
   1475	}
   1476
   1477	return rptr;
   1478}
   1479
   1480u32 cayman_gfx_get_wptr(struct radeon_device *rdev,
   1481			struct radeon_ring *ring)
   1482{
   1483	u32 wptr;
   1484
   1485	if (ring->idx == RADEON_RING_TYPE_GFX_INDEX)
   1486		wptr = RREG32(CP_RB0_WPTR);
   1487	else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX)
   1488		wptr = RREG32(CP_RB1_WPTR);
   1489	else
   1490		wptr = RREG32(CP_RB2_WPTR);
   1491
   1492	return wptr;
   1493}
   1494
   1495void cayman_gfx_set_wptr(struct radeon_device *rdev,
   1496			 struct radeon_ring *ring)
   1497{
   1498	if (ring->idx == RADEON_RING_TYPE_GFX_INDEX) {
   1499		WREG32(CP_RB0_WPTR, ring->wptr);
   1500		(void)RREG32(CP_RB0_WPTR);
   1501	} else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX) {
   1502		WREG32(CP_RB1_WPTR, ring->wptr);
   1503		(void)RREG32(CP_RB1_WPTR);
   1504	} else {
   1505		WREG32(CP_RB2_WPTR, ring->wptr);
   1506		(void)RREG32(CP_RB2_WPTR);
   1507	}
   1508}
   1509
   1510static int cayman_cp_load_microcode(struct radeon_device *rdev)
   1511{
   1512	const __be32 *fw_data;
   1513	int i;
   1514
   1515	if (!rdev->me_fw || !rdev->pfp_fw)
   1516		return -EINVAL;
   1517
   1518	cayman_cp_enable(rdev, false);
   1519
   1520	fw_data = (const __be32 *)rdev->pfp_fw->data;
   1521	WREG32(CP_PFP_UCODE_ADDR, 0);
   1522	for (i = 0; i < CAYMAN_PFP_UCODE_SIZE; i++)
   1523		WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
   1524	WREG32(CP_PFP_UCODE_ADDR, 0);
   1525
   1526	fw_data = (const __be32 *)rdev->me_fw->data;
   1527	WREG32(CP_ME_RAM_WADDR, 0);
   1528	for (i = 0; i < CAYMAN_PM4_UCODE_SIZE; i++)
   1529		WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
   1530
   1531	WREG32(CP_PFP_UCODE_ADDR, 0);
   1532	WREG32(CP_ME_RAM_WADDR, 0);
   1533	WREG32(CP_ME_RAM_RADDR, 0);
   1534	return 0;
   1535}
   1536
   1537static int cayman_cp_start(struct radeon_device *rdev)
   1538{
   1539	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
   1540	int r, i;
   1541
   1542	r = radeon_ring_lock(rdev, ring, 7);
   1543	if (r) {
   1544		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
   1545		return r;
   1546	}
   1547	radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
   1548	radeon_ring_write(ring, 0x1);
   1549	radeon_ring_write(ring, 0x0);
   1550	radeon_ring_write(ring, rdev->config.cayman.max_hw_contexts - 1);
   1551	radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
   1552	radeon_ring_write(ring, 0);
   1553	radeon_ring_write(ring, 0);
   1554	radeon_ring_unlock_commit(rdev, ring, false);
   1555
   1556	cayman_cp_enable(rdev, true);
   1557
   1558	r = radeon_ring_lock(rdev, ring, cayman_default_size + 19);
   1559	if (r) {
   1560		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
   1561		return r;
   1562	}
   1563
   1564	/* setup clear context state */
   1565	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
   1566	radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
   1567
   1568	for (i = 0; i < cayman_default_size; i++)
   1569		radeon_ring_write(ring, cayman_default_state[i]);
   1570
   1571	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
   1572	radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE);
   1573
   1574	/* set clear context state */
   1575	radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0));
   1576	radeon_ring_write(ring, 0);
   1577
   1578	/* SQ_VTX_BASE_VTX_LOC */
   1579	radeon_ring_write(ring, 0xc0026f00);
   1580	radeon_ring_write(ring, 0x00000000);
   1581	radeon_ring_write(ring, 0x00000000);
   1582	radeon_ring_write(ring, 0x00000000);
   1583
   1584	/* Clear consts */
   1585	radeon_ring_write(ring, 0xc0036f00);
   1586	radeon_ring_write(ring, 0x00000bc4);
   1587	radeon_ring_write(ring, 0xffffffff);
   1588	radeon_ring_write(ring, 0xffffffff);
   1589	radeon_ring_write(ring, 0xffffffff);
   1590
   1591	radeon_ring_write(ring, 0xc0026900);
   1592	radeon_ring_write(ring, 0x00000316);
   1593	radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
   1594	radeon_ring_write(ring, 0x00000010); /*  */
   1595
   1596	radeon_ring_unlock_commit(rdev, ring, false);
   1597
   1598	/* XXX init other rings */
   1599
   1600	return 0;
   1601}
   1602
   1603static void cayman_cp_fini(struct radeon_device *rdev)
   1604{
   1605	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
   1606	cayman_cp_enable(rdev, false);
   1607	radeon_ring_fini(rdev, ring);
   1608	radeon_scratch_free(rdev, ring->rptr_save_reg);
   1609}
   1610
   1611static int cayman_cp_resume(struct radeon_device *rdev)
   1612{
   1613	static const int ridx[] = {
   1614		RADEON_RING_TYPE_GFX_INDEX,
   1615		CAYMAN_RING_TYPE_CP1_INDEX,
   1616		CAYMAN_RING_TYPE_CP2_INDEX
   1617	};
   1618	static const unsigned cp_rb_cntl[] = {
   1619		CP_RB0_CNTL,
   1620		CP_RB1_CNTL,
   1621		CP_RB2_CNTL,
   1622	};
   1623	static const unsigned cp_rb_rptr_addr[] = {
   1624		CP_RB0_RPTR_ADDR,
   1625		CP_RB1_RPTR_ADDR,
   1626		CP_RB2_RPTR_ADDR
   1627	};
   1628	static const unsigned cp_rb_rptr_addr_hi[] = {
   1629		CP_RB0_RPTR_ADDR_HI,
   1630		CP_RB1_RPTR_ADDR_HI,
   1631		CP_RB2_RPTR_ADDR_HI
   1632	};
   1633	static const unsigned cp_rb_base[] = {
   1634		CP_RB0_BASE,
   1635		CP_RB1_BASE,
   1636		CP_RB2_BASE
   1637	};
   1638	static const unsigned cp_rb_rptr[] = {
   1639		CP_RB0_RPTR,
   1640		CP_RB1_RPTR,
   1641		CP_RB2_RPTR
   1642	};
   1643	static const unsigned cp_rb_wptr[] = {
   1644		CP_RB0_WPTR,
   1645		CP_RB1_WPTR,
   1646		CP_RB2_WPTR
   1647	};
   1648	struct radeon_ring *ring;
   1649	int i, r;
   1650
   1651	/* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
   1652	WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
   1653				 SOFT_RESET_PA |
   1654				 SOFT_RESET_SH |
   1655				 SOFT_RESET_VGT |
   1656				 SOFT_RESET_SPI |
   1657				 SOFT_RESET_SX));
   1658	RREG32(GRBM_SOFT_RESET);
   1659	mdelay(15);
   1660	WREG32(GRBM_SOFT_RESET, 0);
   1661	RREG32(GRBM_SOFT_RESET);
   1662
   1663	WREG32(CP_SEM_WAIT_TIMER, 0x0);
   1664	WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0);
   1665
   1666	/* Set the write pointer delay */
   1667	WREG32(CP_RB_WPTR_DELAY, 0);
   1668
   1669	WREG32(CP_DEBUG, (1 << 27));
   1670
   1671	/* set the wb address whether it's enabled or not */
   1672	WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
   1673	WREG32(SCRATCH_UMSK, 0xff);
   1674
   1675	for (i = 0; i < 3; ++i) {
   1676		uint32_t rb_cntl;
   1677		uint64_t addr;
   1678
   1679		/* Set ring buffer size */
   1680		ring = &rdev->ring[ridx[i]];
   1681		rb_cntl = order_base_2(ring->ring_size / 8);
   1682		rb_cntl |= order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8;
   1683#ifdef __BIG_ENDIAN
   1684		rb_cntl |= BUF_SWAP_32BIT;
   1685#endif
   1686		WREG32(cp_rb_cntl[i], rb_cntl);
   1687
   1688		/* set the wb address whether it's enabled or not */
   1689		addr = rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET;
   1690		WREG32(cp_rb_rptr_addr[i], addr & 0xFFFFFFFC);
   1691		WREG32(cp_rb_rptr_addr_hi[i], upper_32_bits(addr) & 0xFF);
   1692	}
   1693
   1694	/* set the rb base addr, this causes an internal reset of ALL rings */
   1695	for (i = 0; i < 3; ++i) {
   1696		ring = &rdev->ring[ridx[i]];
   1697		WREG32(cp_rb_base[i], ring->gpu_addr >> 8);
   1698	}
   1699
   1700	for (i = 0; i < 3; ++i) {
   1701		/* Initialize the ring buffer's read and write pointers */
   1702		ring = &rdev->ring[ridx[i]];
   1703		WREG32_P(cp_rb_cntl[i], RB_RPTR_WR_ENA, ~RB_RPTR_WR_ENA);
   1704
   1705		ring->wptr = 0;
   1706		WREG32(cp_rb_rptr[i], 0);
   1707		WREG32(cp_rb_wptr[i], ring->wptr);
   1708
   1709		mdelay(1);
   1710		WREG32_P(cp_rb_cntl[i], 0, ~RB_RPTR_WR_ENA);
   1711	}
   1712
   1713	/* start the rings */
   1714	cayman_cp_start(rdev);
   1715	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = true;
   1716	rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
   1717	rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
   1718	/* this only test cp0 */
   1719	r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
   1720	if (r) {
   1721		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
   1722		rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
   1723		rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
   1724		return r;
   1725	}
   1726
   1727	if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
   1728		radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
   1729
   1730	return 0;
   1731}
   1732
   1733u32 cayman_gpu_check_soft_reset(struct radeon_device *rdev)
   1734{
   1735	u32 reset_mask = 0;
   1736	u32 tmp;
   1737
   1738	/* GRBM_STATUS */
   1739	tmp = RREG32(GRBM_STATUS);
   1740	if (tmp & (PA_BUSY | SC_BUSY |
   1741		   SH_BUSY | SX_BUSY |
   1742		   TA_BUSY | VGT_BUSY |
   1743		   DB_BUSY | CB_BUSY |
   1744		   GDS_BUSY | SPI_BUSY |
   1745		   IA_BUSY | IA_BUSY_NO_DMA))
   1746		reset_mask |= RADEON_RESET_GFX;
   1747
   1748	if (tmp & (CF_RQ_PENDING | PF_RQ_PENDING |
   1749		   CP_BUSY | CP_COHERENCY_BUSY))
   1750		reset_mask |= RADEON_RESET_CP;
   1751
   1752	if (tmp & GRBM_EE_BUSY)
   1753		reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP;
   1754
   1755	/* DMA_STATUS_REG 0 */
   1756	tmp = RREG32(DMA_STATUS_REG + DMA0_REGISTER_OFFSET);
   1757	if (!(tmp & DMA_IDLE))
   1758		reset_mask |= RADEON_RESET_DMA;
   1759
   1760	/* DMA_STATUS_REG 1 */
   1761	tmp = RREG32(DMA_STATUS_REG + DMA1_REGISTER_OFFSET);
   1762	if (!(tmp & DMA_IDLE))
   1763		reset_mask |= RADEON_RESET_DMA1;
   1764
   1765	/* SRBM_STATUS2 */
   1766	tmp = RREG32(SRBM_STATUS2);
   1767	if (tmp & DMA_BUSY)
   1768		reset_mask |= RADEON_RESET_DMA;
   1769
   1770	if (tmp & DMA1_BUSY)
   1771		reset_mask |= RADEON_RESET_DMA1;
   1772
   1773	/* SRBM_STATUS */
   1774	tmp = RREG32(SRBM_STATUS);
   1775	if (tmp & (RLC_RQ_PENDING | RLC_BUSY))
   1776		reset_mask |= RADEON_RESET_RLC;
   1777
   1778	if (tmp & IH_BUSY)
   1779		reset_mask |= RADEON_RESET_IH;
   1780
   1781	if (tmp & SEM_BUSY)
   1782		reset_mask |= RADEON_RESET_SEM;
   1783
   1784	if (tmp & GRBM_RQ_PENDING)
   1785		reset_mask |= RADEON_RESET_GRBM;
   1786
   1787	if (tmp & VMC_BUSY)
   1788		reset_mask |= RADEON_RESET_VMC;
   1789
   1790	if (tmp & (MCB_BUSY | MCB_NON_DISPLAY_BUSY |
   1791		   MCC_BUSY | MCD_BUSY))
   1792		reset_mask |= RADEON_RESET_MC;
   1793
   1794	if (evergreen_is_display_hung(rdev))
   1795		reset_mask |= RADEON_RESET_DISPLAY;
   1796
   1797	/* VM_L2_STATUS */
   1798	tmp = RREG32(VM_L2_STATUS);
   1799	if (tmp & L2_BUSY)
   1800		reset_mask |= RADEON_RESET_VMC;
   1801
   1802	/* Skip MC reset as it's mostly likely not hung, just busy */
   1803	if (reset_mask & RADEON_RESET_MC) {
   1804		DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask);
   1805		reset_mask &= ~RADEON_RESET_MC;
   1806	}
   1807
   1808	return reset_mask;
   1809}
   1810
   1811static void cayman_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
   1812{
   1813	struct evergreen_mc_save save;
   1814	u32 grbm_soft_reset = 0, srbm_soft_reset = 0;
   1815	u32 tmp;
   1816
   1817	if (reset_mask == 0)
   1818		return;
   1819
   1820	dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask);
   1821
   1822	evergreen_print_gpu_status_regs(rdev);
   1823	dev_info(rdev->dev, "  VM_CONTEXT0_PROTECTION_FAULT_ADDR   0x%08X\n",
   1824		 RREG32(0x14F8));
   1825	dev_info(rdev->dev, "  VM_CONTEXT0_PROTECTION_FAULT_STATUS 0x%08X\n",
   1826		 RREG32(0x14D8));
   1827	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
   1828		 RREG32(0x14FC));
   1829	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
   1830		 RREG32(0x14DC));
   1831
   1832	/* Disable CP parsing/prefetching */
   1833	WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
   1834
   1835	if (reset_mask & RADEON_RESET_DMA) {
   1836		/* dma0 */
   1837		tmp = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET);
   1838		tmp &= ~DMA_RB_ENABLE;
   1839		WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, tmp);
   1840	}
   1841
   1842	if (reset_mask & RADEON_RESET_DMA1) {
   1843		/* dma1 */
   1844		tmp = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET);
   1845		tmp &= ~DMA_RB_ENABLE;
   1846		WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, tmp);
   1847	}
   1848
   1849	udelay(50);
   1850
   1851	evergreen_mc_stop(rdev, &save);
   1852	if (evergreen_mc_wait_for_idle(rdev)) {
   1853		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
   1854	}
   1855
   1856	if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) {
   1857		grbm_soft_reset = SOFT_RESET_CB |
   1858			SOFT_RESET_DB |
   1859			SOFT_RESET_GDS |
   1860			SOFT_RESET_PA |
   1861			SOFT_RESET_SC |
   1862			SOFT_RESET_SPI |
   1863			SOFT_RESET_SH |
   1864			SOFT_RESET_SX |
   1865			SOFT_RESET_TC |
   1866			SOFT_RESET_TA |
   1867			SOFT_RESET_VGT |
   1868			SOFT_RESET_IA;
   1869	}
   1870
   1871	if (reset_mask & RADEON_RESET_CP) {
   1872		grbm_soft_reset |= SOFT_RESET_CP | SOFT_RESET_VGT;
   1873
   1874		srbm_soft_reset |= SOFT_RESET_GRBM;
   1875	}
   1876
   1877	if (reset_mask & RADEON_RESET_DMA)
   1878		srbm_soft_reset |= SOFT_RESET_DMA;
   1879
   1880	if (reset_mask & RADEON_RESET_DMA1)
   1881		srbm_soft_reset |= SOFT_RESET_DMA1;
   1882
   1883	if (reset_mask & RADEON_RESET_DISPLAY)
   1884		srbm_soft_reset |= SOFT_RESET_DC;
   1885
   1886	if (reset_mask & RADEON_RESET_RLC)
   1887		srbm_soft_reset |= SOFT_RESET_RLC;
   1888
   1889	if (reset_mask & RADEON_RESET_SEM)
   1890		srbm_soft_reset |= SOFT_RESET_SEM;
   1891
   1892	if (reset_mask & RADEON_RESET_IH)
   1893		srbm_soft_reset |= SOFT_RESET_IH;
   1894
   1895	if (reset_mask & RADEON_RESET_GRBM)
   1896		srbm_soft_reset |= SOFT_RESET_GRBM;
   1897
   1898	if (reset_mask & RADEON_RESET_VMC)
   1899		srbm_soft_reset |= SOFT_RESET_VMC;
   1900
   1901	if (!(rdev->flags & RADEON_IS_IGP)) {
   1902		if (reset_mask & RADEON_RESET_MC)
   1903			srbm_soft_reset |= SOFT_RESET_MC;
   1904	}
   1905
   1906	if (grbm_soft_reset) {
   1907		tmp = RREG32(GRBM_SOFT_RESET);
   1908		tmp |= grbm_soft_reset;
   1909		dev_info(rdev->dev, "GRBM_SOFT_RESET=0x%08X\n", tmp);
   1910		WREG32(GRBM_SOFT_RESET, tmp);
   1911		tmp = RREG32(GRBM_SOFT_RESET);
   1912
   1913		udelay(50);
   1914
   1915		tmp &= ~grbm_soft_reset;
   1916		WREG32(GRBM_SOFT_RESET, tmp);
   1917		tmp = RREG32(GRBM_SOFT_RESET);
   1918	}
   1919
   1920	if (srbm_soft_reset) {
   1921		tmp = RREG32(SRBM_SOFT_RESET);
   1922		tmp |= srbm_soft_reset;
   1923		dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
   1924		WREG32(SRBM_SOFT_RESET, tmp);
   1925		tmp = RREG32(SRBM_SOFT_RESET);
   1926
   1927		udelay(50);
   1928
   1929		tmp &= ~srbm_soft_reset;
   1930		WREG32(SRBM_SOFT_RESET, tmp);
   1931		tmp = RREG32(SRBM_SOFT_RESET);
   1932	}
   1933
   1934	/* Wait a little for things to settle down */
   1935	udelay(50);
   1936
   1937	evergreen_mc_resume(rdev, &save);
   1938	udelay(50);
   1939
   1940	evergreen_print_gpu_status_regs(rdev);
   1941}
   1942
   1943int cayman_asic_reset(struct radeon_device *rdev, bool hard)
   1944{
   1945	u32 reset_mask;
   1946
   1947	if (hard) {
   1948		evergreen_gpu_pci_config_reset(rdev);
   1949		return 0;
   1950	}
   1951
   1952	reset_mask = cayman_gpu_check_soft_reset(rdev);
   1953
   1954	if (reset_mask)
   1955		r600_set_bios_scratch_engine_hung(rdev, true);
   1956
   1957	cayman_gpu_soft_reset(rdev, reset_mask);
   1958
   1959	reset_mask = cayman_gpu_check_soft_reset(rdev);
   1960
   1961	if (reset_mask)
   1962		evergreen_gpu_pci_config_reset(rdev);
   1963
   1964	r600_set_bios_scratch_engine_hung(rdev, false);
   1965
   1966	return 0;
   1967}
   1968
   1969/**
   1970 * cayman_gfx_is_lockup - Check if the GFX engine is locked up
   1971 *
   1972 * @rdev: radeon_device pointer
   1973 * @ring: radeon_ring structure holding ring information
   1974 *
   1975 * Check if the GFX engine is locked up.
   1976 * Returns true if the engine appears to be locked up, false if not.
   1977 */
   1978bool cayman_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
   1979{
   1980	u32 reset_mask = cayman_gpu_check_soft_reset(rdev);
   1981
   1982	if (!(reset_mask & (RADEON_RESET_GFX |
   1983			    RADEON_RESET_COMPUTE |
   1984			    RADEON_RESET_CP))) {
   1985		radeon_ring_lockup_update(rdev, ring);
   1986		return false;
   1987	}
   1988	return radeon_ring_test_lockup(rdev, ring);
   1989}
   1990
   1991static void cayman_uvd_init(struct radeon_device *rdev)
   1992{
   1993	int r;
   1994
   1995	if (!rdev->has_uvd)
   1996		return;
   1997
   1998	r = radeon_uvd_init(rdev);
   1999	if (r) {
   2000		dev_err(rdev->dev, "failed UVD (%d) init.\n", r);
   2001		/*
   2002		 * At this point rdev->uvd.vcpu_bo is NULL which trickles down
   2003		 * to early fails uvd_v2_2_resume() and thus nothing happens
   2004		 * there. So it is pointless to try to go through that code
   2005		 * hence why we disable uvd here.
   2006		 */
   2007		rdev->has_uvd = false;
   2008		return;
   2009	}
   2010	rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_obj = NULL;
   2011	r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_UVD_INDEX], 4096);
   2012}
   2013
   2014static void cayman_uvd_start(struct radeon_device *rdev)
   2015{
   2016	int r;
   2017
   2018	if (!rdev->has_uvd)
   2019		return;
   2020
   2021	r = uvd_v2_2_resume(rdev);
   2022	if (r) {
   2023		dev_err(rdev->dev, "failed UVD resume (%d).\n", r);
   2024		goto error;
   2025	}
   2026	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_UVD_INDEX);
   2027	if (r) {
   2028		dev_err(rdev->dev, "failed initializing UVD fences (%d).\n", r);
   2029		goto error;
   2030	}
   2031	return;
   2032
   2033error:
   2034	rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
   2035}
   2036
   2037static void cayman_uvd_resume(struct radeon_device *rdev)
   2038{
   2039	struct radeon_ring *ring;
   2040	int r;
   2041
   2042	if (!rdev->has_uvd || !rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size)
   2043		return;
   2044
   2045	ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
   2046	r = radeon_ring_init(rdev, ring, ring->ring_size, 0, PACKET0(UVD_NO_OP, 0));
   2047	if (r) {
   2048		dev_err(rdev->dev, "failed initializing UVD ring (%d).\n", r);
   2049		return;
   2050	}
   2051	r = uvd_v1_0_init(rdev);
   2052	if (r) {
   2053		dev_err(rdev->dev, "failed initializing UVD (%d).\n", r);
   2054		return;
   2055	}
   2056}
   2057
   2058static void cayman_vce_init(struct radeon_device *rdev)
   2059{
   2060	int r;
   2061
   2062	/* Only set for CHIP_ARUBA */
   2063	if (!rdev->has_vce)
   2064		return;
   2065
   2066	r = radeon_vce_init(rdev);
   2067	if (r) {
   2068		dev_err(rdev->dev, "failed VCE (%d) init.\n", r);
   2069		/*
   2070		 * At this point rdev->vce.vcpu_bo is NULL which trickles down
   2071		 * to early fails cayman_vce_start() and thus nothing happens
   2072		 * there. So it is pointless to try to go through that code
   2073		 * hence why we disable vce here.
   2074		 */
   2075		rdev->has_vce = false;
   2076		return;
   2077	}
   2078	rdev->ring[TN_RING_TYPE_VCE1_INDEX].ring_obj = NULL;
   2079	r600_ring_init(rdev, &rdev->ring[TN_RING_TYPE_VCE1_INDEX], 4096);
   2080	rdev->ring[TN_RING_TYPE_VCE2_INDEX].ring_obj = NULL;
   2081	r600_ring_init(rdev, &rdev->ring[TN_RING_TYPE_VCE2_INDEX], 4096);
   2082}
   2083
   2084static void cayman_vce_start(struct radeon_device *rdev)
   2085{
   2086	int r;
   2087
   2088	if (!rdev->has_vce)
   2089		return;
   2090
   2091	r = radeon_vce_resume(rdev);
   2092	if (r) {
   2093		dev_err(rdev->dev, "failed VCE resume (%d).\n", r);
   2094		goto error;
   2095	}
   2096	r = vce_v1_0_resume(rdev);
   2097	if (r) {
   2098		dev_err(rdev->dev, "failed VCE resume (%d).\n", r);
   2099		goto error;
   2100	}
   2101	r = radeon_fence_driver_start_ring(rdev, TN_RING_TYPE_VCE1_INDEX);
   2102	if (r) {
   2103		dev_err(rdev->dev, "failed initializing VCE1 fences (%d).\n", r);
   2104		goto error;
   2105	}
   2106	r = radeon_fence_driver_start_ring(rdev, TN_RING_TYPE_VCE2_INDEX);
   2107	if (r) {
   2108		dev_err(rdev->dev, "failed initializing VCE2 fences (%d).\n", r);
   2109		goto error;
   2110	}
   2111	return;
   2112
   2113error:
   2114	rdev->ring[TN_RING_TYPE_VCE1_INDEX].ring_size = 0;
   2115	rdev->ring[TN_RING_TYPE_VCE2_INDEX].ring_size = 0;
   2116}
   2117
   2118static void cayman_vce_resume(struct radeon_device *rdev)
   2119{
   2120	struct radeon_ring *ring;
   2121	int r;
   2122
   2123	if (!rdev->has_vce || !rdev->ring[TN_RING_TYPE_VCE1_INDEX].ring_size)
   2124		return;
   2125
   2126	ring = &rdev->ring[TN_RING_TYPE_VCE1_INDEX];
   2127	r = radeon_ring_init(rdev, ring, ring->ring_size, 0, 0x0);
   2128	if (r) {
   2129		dev_err(rdev->dev, "failed initializing VCE1 ring (%d).\n", r);
   2130		return;
   2131	}
   2132	ring = &rdev->ring[TN_RING_TYPE_VCE2_INDEX];
   2133	r = radeon_ring_init(rdev, ring, ring->ring_size, 0, 0x0);
   2134	if (r) {
   2135		dev_err(rdev->dev, "failed initializing VCE1 ring (%d).\n", r);
   2136		return;
   2137	}
   2138	r = vce_v1_0_init(rdev);
   2139	if (r) {
   2140		dev_err(rdev->dev, "failed initializing VCE (%d).\n", r);
   2141		return;
   2142	}
   2143}
   2144
   2145static int cayman_startup(struct radeon_device *rdev)
   2146{
   2147	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
   2148	int r;
   2149
   2150	/* enable pcie gen2 link */
   2151	evergreen_pcie_gen2_enable(rdev);
   2152	/* enable aspm */
   2153	evergreen_program_aspm(rdev);
   2154
   2155	/* scratch needs to be initialized before MC */
   2156	r = r600_vram_scratch_init(rdev);
   2157	if (r)
   2158		return r;
   2159
   2160	evergreen_mc_program(rdev);
   2161
   2162	if (!(rdev->flags & RADEON_IS_IGP) && !rdev->pm.dpm_enabled) {
   2163		r = ni_mc_load_microcode(rdev);
   2164		if (r) {
   2165			DRM_ERROR("Failed to load MC firmware!\n");
   2166			return r;
   2167		}
   2168	}
   2169
   2170	r = cayman_pcie_gart_enable(rdev);
   2171	if (r)
   2172		return r;
   2173	cayman_gpu_init(rdev);
   2174
   2175	/* allocate rlc buffers */
   2176	if (rdev->flags & RADEON_IS_IGP) {
   2177		rdev->rlc.reg_list = tn_rlc_save_restore_register_list;
   2178		rdev->rlc.reg_list_size =
   2179			(u32)ARRAY_SIZE(tn_rlc_save_restore_register_list);
   2180		rdev->rlc.cs_data = cayman_cs_data;
   2181		r = sumo_rlc_init(rdev);
   2182		if (r) {
   2183			DRM_ERROR("Failed to init rlc BOs!\n");
   2184			return r;
   2185		}
   2186	}
   2187
   2188	/* allocate wb buffer */
   2189	r = radeon_wb_init(rdev);
   2190	if (r)
   2191		return r;
   2192
   2193	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
   2194	if (r) {
   2195		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
   2196		return r;
   2197	}
   2198
   2199	cayman_uvd_start(rdev);
   2200	cayman_vce_start(rdev);
   2201
   2202	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
   2203	if (r) {
   2204		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
   2205		return r;
   2206	}
   2207
   2208	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
   2209	if (r) {
   2210		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
   2211		return r;
   2212	}
   2213
   2214	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX);
   2215	if (r) {
   2216		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
   2217		return r;
   2218	}
   2219
   2220	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_DMA1_INDEX);
   2221	if (r) {
   2222		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
   2223		return r;
   2224	}
   2225
   2226	/* Enable IRQ */
   2227	if (!rdev->irq.installed) {
   2228		r = radeon_irq_kms_init(rdev);
   2229		if (r)
   2230			return r;
   2231	}
   2232
   2233	r = r600_irq_init(rdev);
   2234	if (r) {
   2235		DRM_ERROR("radeon: IH init failed (%d).\n", r);
   2236		radeon_irq_kms_fini(rdev);
   2237		return r;
   2238	}
   2239	evergreen_irq_set(rdev);
   2240
   2241	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
   2242			     RADEON_CP_PACKET2);
   2243	if (r)
   2244		return r;
   2245
   2246	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
   2247	r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
   2248			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
   2249	if (r)
   2250		return r;
   2251
   2252	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
   2253	r = radeon_ring_init(rdev, ring, ring->ring_size, CAYMAN_WB_DMA1_RPTR_OFFSET,
   2254			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
   2255	if (r)
   2256		return r;
   2257
   2258	r = cayman_cp_load_microcode(rdev);
   2259	if (r)
   2260		return r;
   2261	r = cayman_cp_resume(rdev);
   2262	if (r)
   2263		return r;
   2264
   2265	r = cayman_dma_resume(rdev);
   2266	if (r)
   2267		return r;
   2268
   2269	cayman_uvd_resume(rdev);
   2270	cayman_vce_resume(rdev);
   2271
   2272	r = radeon_ib_pool_init(rdev);
   2273	if (r) {
   2274		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
   2275		return r;
   2276	}
   2277
   2278	r = radeon_vm_manager_init(rdev);
   2279	if (r) {
   2280		dev_err(rdev->dev, "vm manager initialization failed (%d).\n", r);
   2281		return r;
   2282	}
   2283
   2284	r = radeon_audio_init(rdev);
   2285	if (r)
   2286		return r;
   2287
   2288	return 0;
   2289}
   2290
   2291int cayman_resume(struct radeon_device *rdev)
   2292{
   2293	int r;
   2294
   2295	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
   2296	 * posting will perform necessary task to bring back GPU into good
   2297	 * shape.
   2298	 */
   2299	/* post card */
   2300	atom_asic_init(rdev->mode_info.atom_context);
   2301
   2302	/* init golden registers */
   2303	ni_init_golden_registers(rdev);
   2304
   2305	if (rdev->pm.pm_method == PM_METHOD_DPM)
   2306		radeon_pm_resume(rdev);
   2307
   2308	rdev->accel_working = true;
   2309	r = cayman_startup(rdev);
   2310	if (r) {
   2311		DRM_ERROR("cayman startup failed on resume\n");
   2312		rdev->accel_working = false;
   2313		return r;
   2314	}
   2315	return r;
   2316}
   2317
   2318int cayman_suspend(struct radeon_device *rdev)
   2319{
   2320	radeon_pm_suspend(rdev);
   2321	radeon_audio_fini(rdev);
   2322	radeon_vm_manager_fini(rdev);
   2323	cayman_cp_enable(rdev, false);
   2324	cayman_dma_stop(rdev);
   2325	if (rdev->has_uvd) {
   2326		radeon_uvd_suspend(rdev);
   2327		uvd_v1_0_fini(rdev);
   2328	}
   2329	evergreen_irq_suspend(rdev);
   2330	radeon_wb_disable(rdev);
   2331	cayman_pcie_gart_disable(rdev);
   2332	return 0;
   2333}
   2334
   2335/* Plan is to move initialization in that function and use
   2336 * helper function so that radeon_device_init pretty much
   2337 * do nothing more than calling asic specific function. This
   2338 * should also allow to remove a bunch of callback function
   2339 * like vram_info.
   2340 */
   2341int cayman_init(struct radeon_device *rdev)
   2342{
   2343	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
   2344	int r;
   2345
   2346	/* Read BIOS */
   2347	if (!radeon_get_bios(rdev)) {
   2348		if (ASIC_IS_AVIVO(rdev))
   2349			return -EINVAL;
   2350	}
   2351	/* Must be an ATOMBIOS */
   2352	if (!rdev->is_atom_bios) {
   2353		dev_err(rdev->dev, "Expecting atombios for cayman GPU\n");
   2354		return -EINVAL;
   2355	}
   2356	r = radeon_atombios_init(rdev);
   2357	if (r)
   2358		return r;
   2359
   2360	/* Post card if necessary */
   2361	if (!radeon_card_posted(rdev)) {
   2362		if (!rdev->bios) {
   2363			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
   2364			return -EINVAL;
   2365		}
   2366		DRM_INFO("GPU not posted. posting now...\n");
   2367		atom_asic_init(rdev->mode_info.atom_context);
   2368	}
   2369	/* init golden registers */
   2370	ni_init_golden_registers(rdev);
   2371	/* Initialize scratch registers */
   2372	r600_scratch_init(rdev);
   2373	/* Initialize surface registers */
   2374	radeon_surface_init(rdev);
   2375	/* Initialize clocks */
   2376	radeon_get_clock_info(rdev->ddev);
   2377	/* Fence driver */
   2378	radeon_fence_driver_init(rdev);
   2379	/* initialize memory controller */
   2380	r = evergreen_mc_init(rdev);
   2381	if (r)
   2382		return r;
   2383	/* Memory manager */
   2384	r = radeon_bo_init(rdev);
   2385	if (r)
   2386		return r;
   2387
   2388	if (rdev->flags & RADEON_IS_IGP) {
   2389		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
   2390			r = ni_init_microcode(rdev);
   2391			if (r) {
   2392				DRM_ERROR("Failed to load firmware!\n");
   2393				return r;
   2394			}
   2395		}
   2396	} else {
   2397		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
   2398			r = ni_init_microcode(rdev);
   2399			if (r) {
   2400				DRM_ERROR("Failed to load firmware!\n");
   2401				return r;
   2402			}
   2403		}
   2404	}
   2405
   2406	/* Initialize power management */
   2407	radeon_pm_init(rdev);
   2408
   2409	ring->ring_obj = NULL;
   2410	r600_ring_init(rdev, ring, 1024 * 1024);
   2411
   2412	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
   2413	ring->ring_obj = NULL;
   2414	r600_ring_init(rdev, ring, 64 * 1024);
   2415
   2416	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
   2417	ring->ring_obj = NULL;
   2418	r600_ring_init(rdev, ring, 64 * 1024);
   2419
   2420	cayman_uvd_init(rdev);
   2421	cayman_vce_init(rdev);
   2422
   2423	rdev->ih.ring_obj = NULL;
   2424	r600_ih_ring_init(rdev, 64 * 1024);
   2425
   2426	r = r600_pcie_gart_init(rdev);
   2427	if (r)
   2428		return r;
   2429
   2430	rdev->accel_working = true;
   2431	r = cayman_startup(rdev);
   2432	if (r) {
   2433		dev_err(rdev->dev, "disabling GPU acceleration\n");
   2434		cayman_cp_fini(rdev);
   2435		cayman_dma_fini(rdev);
   2436		r600_irq_fini(rdev);
   2437		if (rdev->flags & RADEON_IS_IGP)
   2438			sumo_rlc_fini(rdev);
   2439		radeon_wb_fini(rdev);
   2440		radeon_ib_pool_fini(rdev);
   2441		radeon_vm_manager_fini(rdev);
   2442		radeon_irq_kms_fini(rdev);
   2443		cayman_pcie_gart_fini(rdev);
   2444		rdev->accel_working = false;
   2445	}
   2446
   2447	/* Don't start up if the MC ucode is missing.
   2448	 * The default clocks and voltages before the MC ucode
   2449	 * is loaded are not suffient for advanced operations.
   2450	 *
   2451	 * We can skip this check for TN, because there is no MC
   2452	 * ucode.
   2453	 */
   2454	if (!rdev->mc_fw && !(rdev->flags & RADEON_IS_IGP)) {
   2455		DRM_ERROR("radeon: MC ucode required for NI+.\n");
   2456		return -EINVAL;
   2457	}
   2458
   2459	return 0;
   2460}
   2461
   2462void cayman_fini(struct radeon_device *rdev)
   2463{
   2464	radeon_pm_fini(rdev);
   2465	cayman_cp_fini(rdev);
   2466	cayman_dma_fini(rdev);
   2467	r600_irq_fini(rdev);
   2468	if (rdev->flags & RADEON_IS_IGP)
   2469		sumo_rlc_fini(rdev);
   2470	radeon_wb_fini(rdev);
   2471	radeon_vm_manager_fini(rdev);
   2472	radeon_ib_pool_fini(rdev);
   2473	radeon_irq_kms_fini(rdev);
   2474	uvd_v1_0_fini(rdev);
   2475	radeon_uvd_fini(rdev);
   2476	if (rdev->has_vce)
   2477		radeon_vce_fini(rdev);
   2478	cayman_pcie_gart_fini(rdev);
   2479	r600_vram_scratch_fini(rdev);
   2480	radeon_gem_fini(rdev);
   2481	radeon_fence_driver_fini(rdev);
   2482	radeon_bo_fini(rdev);
   2483	radeon_atombios_fini(rdev);
   2484	kfree(rdev->bios);
   2485	rdev->bios = NULL;
   2486}
   2487
   2488/*
   2489 * vm
   2490 */
   2491int cayman_vm_init(struct radeon_device *rdev)
   2492{
   2493	/* number of VMs */
   2494	rdev->vm_manager.nvm = 8;
   2495	/* base offset of vram pages */
   2496	if (rdev->flags & RADEON_IS_IGP) {
   2497		u64 tmp = RREG32(FUS_MC_VM_FB_OFFSET);
   2498		tmp <<= 22;
   2499		rdev->vm_manager.vram_base_offset = tmp;
   2500	} else
   2501		rdev->vm_manager.vram_base_offset = 0;
   2502	return 0;
   2503}
   2504
   2505void cayman_vm_fini(struct radeon_device *rdev)
   2506{
   2507}
   2508
   2509/**
   2510 * cayman_vm_decode_fault - print human readable fault info
   2511 *
   2512 * @rdev: radeon_device pointer
   2513 * @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value
   2514 * @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value
   2515 *
   2516 * Print human readable fault information (cayman/TN).
   2517 */
   2518void cayman_vm_decode_fault(struct radeon_device *rdev,
   2519			    u32 status, u32 addr)
   2520{
   2521	u32 mc_id = (status & MEMORY_CLIENT_ID_MASK) >> MEMORY_CLIENT_ID_SHIFT;
   2522	u32 vmid = (status & FAULT_VMID_MASK) >> FAULT_VMID_SHIFT;
   2523	u32 protections = (status & PROTECTIONS_MASK) >> PROTECTIONS_SHIFT;
   2524	char *block;
   2525
   2526	switch (mc_id) {
   2527	case 32:
   2528	case 16:
   2529	case 96:
   2530	case 80:
   2531	case 160:
   2532	case 144:
   2533	case 224:
   2534	case 208:
   2535		block = "CB";
   2536		break;
   2537	case 33:
   2538	case 17:
   2539	case 97:
   2540	case 81:
   2541	case 161:
   2542	case 145:
   2543	case 225:
   2544	case 209:
   2545		block = "CB_FMASK";
   2546		break;
   2547	case 34:
   2548	case 18:
   2549	case 98:
   2550	case 82:
   2551	case 162:
   2552	case 146:
   2553	case 226:
   2554	case 210:
   2555		block = "CB_CMASK";
   2556		break;
   2557	case 35:
   2558	case 19:
   2559	case 99:
   2560	case 83:
   2561	case 163:
   2562	case 147:
   2563	case 227:
   2564	case 211:
   2565		block = "CB_IMMED";
   2566		break;
   2567	case 36:
   2568	case 20:
   2569	case 100:
   2570	case 84:
   2571	case 164:
   2572	case 148:
   2573	case 228:
   2574	case 212:
   2575		block = "DB";
   2576		break;
   2577	case 37:
   2578	case 21:
   2579	case 101:
   2580	case 85:
   2581	case 165:
   2582	case 149:
   2583	case 229:
   2584	case 213:
   2585		block = "DB_HTILE";
   2586		break;
   2587	case 38:
   2588	case 22:
   2589	case 102:
   2590	case 86:
   2591	case 166:
   2592	case 150:
   2593	case 230:
   2594	case 214:
   2595		block = "SX";
   2596		break;
   2597	case 39:
   2598	case 23:
   2599	case 103:
   2600	case 87:
   2601	case 167:
   2602	case 151:
   2603	case 231:
   2604	case 215:
   2605		block = "DB_STEN";
   2606		break;
   2607	case 40:
   2608	case 24:
   2609	case 104:
   2610	case 88:
   2611	case 232:
   2612	case 216:
   2613	case 168:
   2614	case 152:
   2615		block = "TC_TFETCH";
   2616		break;
   2617	case 41:
   2618	case 25:
   2619	case 105:
   2620	case 89:
   2621	case 233:
   2622	case 217:
   2623	case 169:
   2624	case 153:
   2625		block = "TC_VFETCH";
   2626		break;
   2627	case 42:
   2628	case 26:
   2629	case 106:
   2630	case 90:
   2631	case 234:
   2632	case 218:
   2633	case 170:
   2634	case 154:
   2635		block = "VC";
   2636		break;
   2637	case 112:
   2638		block = "CP";
   2639		break;
   2640	case 113:
   2641	case 114:
   2642		block = "SH";
   2643		break;
   2644	case 115:
   2645		block = "VGT";
   2646		break;
   2647	case 178:
   2648		block = "IH";
   2649		break;
   2650	case 51:
   2651		block = "RLC";
   2652		break;
   2653	case 55:
   2654		block = "DMA";
   2655		break;
   2656	case 56:
   2657		block = "HDP";
   2658		break;
   2659	default:
   2660		block = "unknown";
   2661		break;
   2662	}
   2663
   2664	printk("VM fault (0x%02x, vmid %d) at page %u, %s from %s (%d)\n",
   2665	       protections, vmid, addr,
   2666	       (status & MEMORY_CLIENT_RW_MASK) ? "write" : "read",
   2667	       block, mc_id);
   2668}
   2669
   2670/*
   2671 * cayman_vm_flush - vm flush using the CP
   2672 *
   2673 * Update the page table base and flush the VM TLB
   2674 * using the CP (cayman-si).
   2675 */
   2676void cayman_vm_flush(struct radeon_device *rdev, struct radeon_ring *ring,
   2677		     unsigned vm_id, uint64_t pd_addr)
   2678{
   2679	radeon_ring_write(ring, PACKET0(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm_id << 2), 0));
   2680	radeon_ring_write(ring, pd_addr >> 12);
   2681
   2682	/* flush hdp cache */
   2683	radeon_ring_write(ring, PACKET0(HDP_MEM_COHERENCY_FLUSH_CNTL, 0));
   2684	radeon_ring_write(ring, 0x1);
   2685
   2686	/* bits 0-7 are the VM contexts0-7 */
   2687	radeon_ring_write(ring, PACKET0(VM_INVALIDATE_REQUEST, 0));
   2688	radeon_ring_write(ring, 1 << vm_id);
   2689
   2690	/* wait for the invalidate to complete */
   2691	radeon_ring_write(ring, PACKET3(PACKET3_WAIT_REG_MEM, 5));
   2692	radeon_ring_write(ring, (WAIT_REG_MEM_FUNCTION(0) |  /* always */
   2693				 WAIT_REG_MEM_ENGINE(0))); /* me */
   2694	radeon_ring_write(ring, VM_INVALIDATE_REQUEST >> 2);
   2695	radeon_ring_write(ring, 0);
   2696	radeon_ring_write(ring, 0); /* ref */
   2697	radeon_ring_write(ring, 0); /* mask */
   2698	radeon_ring_write(ring, 0x20); /* poll interval */
   2699
   2700	/* sync PFP to ME, otherwise we might get invalid PFP reads */
   2701	radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0));
   2702	radeon_ring_write(ring, 0x0);
   2703}
   2704
   2705int tn_set_vce_clocks(struct radeon_device *rdev, u32 evclk, u32 ecclk)
   2706{
   2707	struct atom_clock_dividers dividers;
   2708	int r, i;
   2709
   2710	r = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
   2711					   ecclk, false, &dividers);
   2712	if (r)
   2713		return r;
   2714
   2715	for (i = 0; i < 100; i++) {
   2716		if (RREG32(CG_ECLK_STATUS) & ECLK_STATUS)
   2717			break;
   2718		mdelay(10);
   2719	}
   2720	if (i == 100)
   2721		return -ETIMEDOUT;
   2722
   2723	WREG32_P(CG_ECLK_CNTL, dividers.post_div, ~(ECLK_DIR_CNTL_EN|ECLK_DIVIDER_MASK));
   2724
   2725	for (i = 0; i < 100; i++) {
   2726		if (RREG32(CG_ECLK_STATUS) & ECLK_STATUS)
   2727			break;
   2728		mdelay(10);
   2729	}
   2730	if (i == 100)
   2731		return -ETIMEDOUT;
   2732
   2733	return 0;
   2734}