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   1/*
   2 * Copyright 2011 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#include <linux/firmware.h>
  25#include <linux/slab.h>
  26#include <linux/module.h>
  27#include <drm/drmP.h>
  28#include "radeon.h"
  29#include "radeon_asic.h"
  30#include <drm/radeon_drm.h>
  31#include "sid.h"
  32#include "atom.h"
  33#include "si_blit_shaders.h"
  34#include "clearstate_si.h"
  35#include "radeon_ucode.h"
  36
  37
  38MODULE_FIRMWARE("radeon/TAHITI_pfp.bin");
  39MODULE_FIRMWARE("radeon/TAHITI_me.bin");
  40MODULE_FIRMWARE("radeon/TAHITI_ce.bin");
  41MODULE_FIRMWARE("radeon/TAHITI_mc.bin");
  42MODULE_FIRMWARE("radeon/TAHITI_mc2.bin");
  43MODULE_FIRMWARE("radeon/TAHITI_rlc.bin");
  44MODULE_FIRMWARE("radeon/TAHITI_smc.bin");
  45MODULE_FIRMWARE("radeon/PITCAIRN_pfp.bin");
  46MODULE_FIRMWARE("radeon/PITCAIRN_me.bin");
  47MODULE_FIRMWARE("radeon/PITCAIRN_ce.bin");
  48MODULE_FIRMWARE("radeon/PITCAIRN_mc.bin");
  49MODULE_FIRMWARE("radeon/PITCAIRN_mc2.bin");
  50MODULE_FIRMWARE("radeon/PITCAIRN_rlc.bin");
  51MODULE_FIRMWARE("radeon/PITCAIRN_smc.bin");
  52MODULE_FIRMWARE("radeon/VERDE_pfp.bin");
  53MODULE_FIRMWARE("radeon/VERDE_me.bin");
  54MODULE_FIRMWARE("radeon/VERDE_ce.bin");
  55MODULE_FIRMWARE("radeon/VERDE_mc.bin");
  56MODULE_FIRMWARE("radeon/VERDE_mc2.bin");
  57MODULE_FIRMWARE("radeon/VERDE_rlc.bin");
  58MODULE_FIRMWARE("radeon/VERDE_smc.bin");
  59MODULE_FIRMWARE("radeon/OLAND_pfp.bin");
  60MODULE_FIRMWARE("radeon/OLAND_me.bin");
  61MODULE_FIRMWARE("radeon/OLAND_ce.bin");
  62MODULE_FIRMWARE("radeon/OLAND_mc.bin");
  63MODULE_FIRMWARE("radeon/OLAND_mc2.bin");
  64MODULE_FIRMWARE("radeon/OLAND_rlc.bin");
  65MODULE_FIRMWARE("radeon/OLAND_smc.bin");
  66MODULE_FIRMWARE("radeon/HAINAN_pfp.bin");
  67MODULE_FIRMWARE("radeon/HAINAN_me.bin");
  68MODULE_FIRMWARE("radeon/HAINAN_ce.bin");
  69MODULE_FIRMWARE("radeon/HAINAN_mc.bin");
  70MODULE_FIRMWARE("radeon/HAINAN_mc2.bin");
  71MODULE_FIRMWARE("radeon/HAINAN_rlc.bin");
  72MODULE_FIRMWARE("radeon/HAINAN_smc.bin");
  73
  74static void si_pcie_gen3_enable(struct radeon_device *rdev);
  75static void si_program_aspm(struct radeon_device *rdev);
  76extern void sumo_rlc_fini(struct radeon_device *rdev);
  77extern int sumo_rlc_init(struct radeon_device *rdev);
  78extern int r600_ih_ring_alloc(struct radeon_device *rdev);
  79extern void r600_ih_ring_fini(struct radeon_device *rdev);
  80extern void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev);
  81extern void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save);
  82extern void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save);
  83extern u32 evergreen_get_number_of_dram_channels(struct radeon_device *rdev);
  84extern void evergreen_print_gpu_status_regs(struct radeon_device *rdev);
  85extern bool evergreen_is_display_hung(struct radeon_device *rdev);
  86static void si_enable_gui_idle_interrupt(struct radeon_device *rdev,
  87					 bool enable);
  88static void si_init_pg(struct radeon_device *rdev);
  89static void si_init_cg(struct radeon_device *rdev);
  90static void si_fini_pg(struct radeon_device *rdev);
  91static void si_fini_cg(struct radeon_device *rdev);
  92static void si_rlc_stop(struct radeon_device *rdev);
  93
  94static const u32 verde_rlc_save_restore_register_list[] =
  95{
  96	(0x8000 << 16) | (0x98f4 >> 2),
  97	0x00000000,
  98	(0x8040 << 16) | (0x98f4 >> 2),
  99	0x00000000,
 100	(0x8000 << 16) | (0xe80 >> 2),
 101	0x00000000,
 102	(0x8040 << 16) | (0xe80 >> 2),
 103	0x00000000,
 104	(0x8000 << 16) | (0x89bc >> 2),
 105	0x00000000,
 106	(0x8040 << 16) | (0x89bc >> 2),
 107	0x00000000,
 108	(0x8000 << 16) | (0x8c1c >> 2),
 109	0x00000000,
 110	(0x8040 << 16) | (0x8c1c >> 2),
 111	0x00000000,
 112	(0x9c00 << 16) | (0x98f0 >> 2),
 113	0x00000000,
 114	(0x9c00 << 16) | (0xe7c >> 2),
 115	0x00000000,
 116	(0x8000 << 16) | (0x9148 >> 2),
 117	0x00000000,
 118	(0x8040 << 16) | (0x9148 >> 2),
 119	0x00000000,
 120	(0x9c00 << 16) | (0x9150 >> 2),
 121	0x00000000,
 122	(0x9c00 << 16) | (0x897c >> 2),
 123	0x00000000,
 124	(0x9c00 << 16) | (0x8d8c >> 2),
 125	0x00000000,
 126	(0x9c00 << 16) | (0xac54 >> 2),
 127	0X00000000,
 128	0x3,
 129	(0x9c00 << 16) | (0x98f8 >> 2),
 130	0x00000000,
 131	(0x9c00 << 16) | (0x9910 >> 2),
 132	0x00000000,
 133	(0x9c00 << 16) | (0x9914 >> 2),
 134	0x00000000,
 135	(0x9c00 << 16) | (0x9918 >> 2),
 136	0x00000000,
 137	(0x9c00 << 16) | (0x991c >> 2),
 138	0x00000000,
 139	(0x9c00 << 16) | (0x9920 >> 2),
 140	0x00000000,
 141	(0x9c00 << 16) | (0x9924 >> 2),
 142	0x00000000,
 143	(0x9c00 << 16) | (0x9928 >> 2),
 144	0x00000000,
 145	(0x9c00 << 16) | (0x992c >> 2),
 146	0x00000000,
 147	(0x9c00 << 16) | (0x9930 >> 2),
 148	0x00000000,
 149	(0x9c00 << 16) | (0x9934 >> 2),
 150	0x00000000,
 151	(0x9c00 << 16) | (0x9938 >> 2),
 152	0x00000000,
 153	(0x9c00 << 16) | (0x993c >> 2),
 154	0x00000000,
 155	(0x9c00 << 16) | (0x9940 >> 2),
 156	0x00000000,
 157	(0x9c00 << 16) | (0x9944 >> 2),
 158	0x00000000,
 159	(0x9c00 << 16) | (0x9948 >> 2),
 160	0x00000000,
 161	(0x9c00 << 16) | (0x994c >> 2),
 162	0x00000000,
 163	(0x9c00 << 16) | (0x9950 >> 2),
 164	0x00000000,
 165	(0x9c00 << 16) | (0x9954 >> 2),
 166	0x00000000,
 167	(0x9c00 << 16) | (0x9958 >> 2),
 168	0x00000000,
 169	(0x9c00 << 16) | (0x995c >> 2),
 170	0x00000000,
 171	(0x9c00 << 16) | (0x9960 >> 2),
 172	0x00000000,
 173	(0x9c00 << 16) | (0x9964 >> 2),
 174	0x00000000,
 175	(0x9c00 << 16) | (0x9968 >> 2),
 176	0x00000000,
 177	(0x9c00 << 16) | (0x996c >> 2),
 178	0x00000000,
 179	(0x9c00 << 16) | (0x9970 >> 2),
 180	0x00000000,
 181	(0x9c00 << 16) | (0x9974 >> 2),
 182	0x00000000,
 183	(0x9c00 << 16) | (0x9978 >> 2),
 184	0x00000000,
 185	(0x9c00 << 16) | (0x997c >> 2),
 186	0x00000000,
 187	(0x9c00 << 16) | (0x9980 >> 2),
 188	0x00000000,
 189	(0x9c00 << 16) | (0x9984 >> 2),
 190	0x00000000,
 191	(0x9c00 << 16) | (0x9988 >> 2),
 192	0x00000000,
 193	(0x9c00 << 16) | (0x998c >> 2),
 194	0x00000000,
 195	(0x9c00 << 16) | (0x8c00 >> 2),
 196	0x00000000,
 197	(0x9c00 << 16) | (0x8c14 >> 2),
 198	0x00000000,
 199	(0x9c00 << 16) | (0x8c04 >> 2),
 200	0x00000000,
 201	(0x9c00 << 16) | (0x8c08 >> 2),
 202	0x00000000,
 203	(0x8000 << 16) | (0x9b7c >> 2),
 204	0x00000000,
 205	(0x8040 << 16) | (0x9b7c >> 2),
 206	0x00000000,
 207	(0x8000 << 16) | (0xe84 >> 2),
 208	0x00000000,
 209	(0x8040 << 16) | (0xe84 >> 2),
 210	0x00000000,
 211	(0x8000 << 16) | (0x89c0 >> 2),
 212	0x00000000,
 213	(0x8040 << 16) | (0x89c0 >> 2),
 214	0x00000000,
 215	(0x8000 << 16) | (0x914c >> 2),
 216	0x00000000,
 217	(0x8040 << 16) | (0x914c >> 2),
 218	0x00000000,
 219	(0x8000 << 16) | (0x8c20 >> 2),
 220	0x00000000,
 221	(0x8040 << 16) | (0x8c20 >> 2),
 222	0x00000000,
 223	(0x8000 << 16) | (0x9354 >> 2),
 224	0x00000000,
 225	(0x8040 << 16) | (0x9354 >> 2),
 226	0x00000000,
 227	(0x9c00 << 16) | (0x9060 >> 2),
 228	0x00000000,
 229	(0x9c00 << 16) | (0x9364 >> 2),
 230	0x00000000,
 231	(0x9c00 << 16) | (0x9100 >> 2),
 232	0x00000000,
 233	(0x9c00 << 16) | (0x913c >> 2),
 234	0x00000000,
 235	(0x8000 << 16) | (0x90e0 >> 2),
 236	0x00000000,
 237	(0x8000 << 16) | (0x90e4 >> 2),
 238	0x00000000,
 239	(0x8000 << 16) | (0x90e8 >> 2),
 240	0x00000000,
 241	(0x8040 << 16) | (0x90e0 >> 2),
 242	0x00000000,
 243	(0x8040 << 16) | (0x90e4 >> 2),
 244	0x00000000,
 245	(0x8040 << 16) | (0x90e8 >> 2),
 246	0x00000000,
 247	(0x9c00 << 16) | (0x8bcc >> 2),
 248	0x00000000,
 249	(0x9c00 << 16) | (0x8b24 >> 2),
 250	0x00000000,
 251	(0x9c00 << 16) | (0x88c4 >> 2),
 252	0x00000000,
 253	(0x9c00 << 16) | (0x8e50 >> 2),
 254	0x00000000,
 255	(0x9c00 << 16) | (0x8c0c >> 2),
 256	0x00000000,
 257	(0x9c00 << 16) | (0x8e58 >> 2),
 258	0x00000000,
 259	(0x9c00 << 16) | (0x8e5c >> 2),
 260	0x00000000,
 261	(0x9c00 << 16) | (0x9508 >> 2),
 262	0x00000000,
 263	(0x9c00 << 16) | (0x950c >> 2),
 264	0x00000000,
 265	(0x9c00 << 16) | (0x9494 >> 2),
 266	0x00000000,
 267	(0x9c00 << 16) | (0xac0c >> 2),
 268	0x00000000,
 269	(0x9c00 << 16) | (0xac10 >> 2),
 270	0x00000000,
 271	(0x9c00 << 16) | (0xac14 >> 2),
 272	0x00000000,
 273	(0x9c00 << 16) | (0xae00 >> 2),
 274	0x00000000,
 275	(0x9c00 << 16) | (0xac08 >> 2),
 276	0x00000000,
 277	(0x9c00 << 16) | (0x88d4 >> 2),
 278	0x00000000,
 279	(0x9c00 << 16) | (0x88c8 >> 2),
 280	0x00000000,
 281	(0x9c00 << 16) | (0x88cc >> 2),
 282	0x00000000,
 283	(0x9c00 << 16) | (0x89b0 >> 2),
 284	0x00000000,
 285	(0x9c00 << 16) | (0x8b10 >> 2),
 286	0x00000000,
 287	(0x9c00 << 16) | (0x8a14 >> 2),
 288	0x00000000,
 289	(0x9c00 << 16) | (0x9830 >> 2),
 290	0x00000000,
 291	(0x9c00 << 16) | (0x9834 >> 2),
 292	0x00000000,
 293	(0x9c00 << 16) | (0x9838 >> 2),
 294	0x00000000,
 295	(0x9c00 << 16) | (0x9a10 >> 2),
 296	0x00000000,
 297	(0x8000 << 16) | (0x9870 >> 2),
 298	0x00000000,
 299	(0x8000 << 16) | (0x9874 >> 2),
 300	0x00000000,
 301	(0x8001 << 16) | (0x9870 >> 2),
 302	0x00000000,
 303	(0x8001 << 16) | (0x9874 >> 2),
 304	0x00000000,
 305	(0x8040 << 16) | (0x9870 >> 2),
 306	0x00000000,
 307	(0x8040 << 16) | (0x9874 >> 2),
 308	0x00000000,
 309	(0x8041 << 16) | (0x9870 >> 2),
 310	0x00000000,
 311	(0x8041 << 16) | (0x9874 >> 2),
 312	0x00000000,
 313	0x00000000
 314};
 315
 316static const u32 tahiti_golden_rlc_registers[] =
 317{
 318	0xc424, 0xffffffff, 0x00601005,
 319	0xc47c, 0xffffffff, 0x10104040,
 320	0xc488, 0xffffffff, 0x0100000a,
 321	0xc314, 0xffffffff, 0x00000800,
 322	0xc30c, 0xffffffff, 0x800000f4,
 323	0xf4a8, 0xffffffff, 0x00000000
 324};
 325
 326static const u32 tahiti_golden_registers[] =
 327{
 328	0x9a10, 0x00010000, 0x00018208,
 329	0x9830, 0xffffffff, 0x00000000,
 330	0x9834, 0xf00fffff, 0x00000400,
 331	0x9838, 0x0002021c, 0x00020200,
 332	0xc78, 0x00000080, 0x00000000,
 333	0xd030, 0x000300c0, 0x00800040,
 334	0xd830, 0x000300c0, 0x00800040,
 335	0x5bb0, 0x000000f0, 0x00000070,
 336	0x5bc0, 0x00200000, 0x50100000,
 337	0x7030, 0x31000311, 0x00000011,
 338	0x277c, 0x00000003, 0x000007ff,
 339	0x240c, 0x000007ff, 0x00000000,
 340	0x8a14, 0xf000001f, 0x00000007,
 341	0x8b24, 0xffffffff, 0x00ffffff,
 342	0x8b10, 0x0000ff0f, 0x00000000,
 343	0x28a4c, 0x07ffffff, 0x4e000000,
 344	0x28350, 0x3f3f3fff, 0x2a00126a,
 345	0x30, 0x000000ff, 0x0040,
 346	0x34, 0x00000040, 0x00004040,
 347	0x9100, 0x07ffffff, 0x03000000,
 348	0x8e88, 0x01ff1f3f, 0x00000000,
 349	0x8e84, 0x01ff1f3f, 0x00000000,
 350	0x9060, 0x0000007f, 0x00000020,
 351	0x9508, 0x00010000, 0x00010000,
 352	0xac14, 0x00000200, 0x000002fb,
 353	0xac10, 0xffffffff, 0x0000543b,
 354	0xac0c, 0xffffffff, 0xa9210876,
 355	0x88d0, 0xffffffff, 0x000fff40,
 356	0x88d4, 0x0000001f, 0x00000010,
 357	0x1410, 0x20000000, 0x20fffed8,
 358	0x15c0, 0x000c0fc0, 0x000c0400
 359};
 360
 361static const u32 tahiti_golden_registers2[] =
 362{
 363	0xc64, 0x00000001, 0x00000001
 364};
 365
 366static const u32 pitcairn_golden_rlc_registers[] =
 367{
 368	0xc424, 0xffffffff, 0x00601004,
 369	0xc47c, 0xffffffff, 0x10102020,
 370	0xc488, 0xffffffff, 0x01000020,
 371	0xc314, 0xffffffff, 0x00000800,
 372	0xc30c, 0xffffffff, 0x800000a4
 373};
 374
 375static const u32 pitcairn_golden_registers[] =
 376{
 377	0x9a10, 0x00010000, 0x00018208,
 378	0x9830, 0xffffffff, 0x00000000,
 379	0x9834, 0xf00fffff, 0x00000400,
 380	0x9838, 0x0002021c, 0x00020200,
 381	0xc78, 0x00000080, 0x00000000,
 382	0xd030, 0x000300c0, 0x00800040,
 383	0xd830, 0x000300c0, 0x00800040,
 384	0x5bb0, 0x000000f0, 0x00000070,
 385	0x5bc0, 0x00200000, 0x50100000,
 386	0x7030, 0x31000311, 0x00000011,
 387	0x2ae4, 0x00073ffe, 0x000022a2,
 388	0x240c, 0x000007ff, 0x00000000,
 389	0x8a14, 0xf000001f, 0x00000007,
 390	0x8b24, 0xffffffff, 0x00ffffff,
 391	0x8b10, 0x0000ff0f, 0x00000000,
 392	0x28a4c, 0x07ffffff, 0x4e000000,
 393	0x28350, 0x3f3f3fff, 0x2a00126a,
 394	0x30, 0x000000ff, 0x0040,
 395	0x34, 0x00000040, 0x00004040,
 396	0x9100, 0x07ffffff, 0x03000000,
 397	0x9060, 0x0000007f, 0x00000020,
 398	0x9508, 0x00010000, 0x00010000,
 399	0xac14, 0x000003ff, 0x000000f7,
 400	0xac10, 0xffffffff, 0x00000000,
 401	0xac0c, 0xffffffff, 0x32761054,
 402	0x88d4, 0x0000001f, 0x00000010,
 403	0x15c0, 0x000c0fc0, 0x000c0400
 404};
 405
 406static const u32 verde_golden_rlc_registers[] =
 407{
 408	0xc424, 0xffffffff, 0x033f1005,
 409	0xc47c, 0xffffffff, 0x10808020,
 410	0xc488, 0xffffffff, 0x00800008,
 411	0xc314, 0xffffffff, 0x00001000,
 412	0xc30c, 0xffffffff, 0x80010014
 413};
 414
 415static const u32 verde_golden_registers[] =
 416{
 417	0x9a10, 0x00010000, 0x00018208,
 418	0x9830, 0xffffffff, 0x00000000,
 419	0x9834, 0xf00fffff, 0x00000400,
 420	0x9838, 0x0002021c, 0x00020200,
 421	0xc78, 0x00000080, 0x00000000,
 422	0xd030, 0x000300c0, 0x00800040,
 423	0xd030, 0x000300c0, 0x00800040,
 424	0xd830, 0x000300c0, 0x00800040,
 425	0xd830, 0x000300c0, 0x00800040,
 426	0x5bb0, 0x000000f0, 0x00000070,
 427	0x5bc0, 0x00200000, 0x50100000,
 428	0x7030, 0x31000311, 0x00000011,
 429	0x2ae4, 0x00073ffe, 0x000022a2,
 430	0x2ae4, 0x00073ffe, 0x000022a2,
 431	0x2ae4, 0x00073ffe, 0x000022a2,
 432	0x240c, 0x000007ff, 0x00000000,
 433	0x240c, 0x000007ff, 0x00000000,
 434	0x240c, 0x000007ff, 0x00000000,
 435	0x8a14, 0xf000001f, 0x00000007,
 436	0x8a14, 0xf000001f, 0x00000007,
 437	0x8a14, 0xf000001f, 0x00000007,
 438	0x8b24, 0xffffffff, 0x00ffffff,
 439	0x8b10, 0x0000ff0f, 0x00000000,
 440	0x28a4c, 0x07ffffff, 0x4e000000,
 441	0x28350, 0x3f3f3fff, 0x0000124a,
 442	0x28350, 0x3f3f3fff, 0x0000124a,
 443	0x28350, 0x3f3f3fff, 0x0000124a,
 444	0x30, 0x000000ff, 0x0040,
 445	0x34, 0x00000040, 0x00004040,
 446	0x9100, 0x07ffffff, 0x03000000,
 447	0x9100, 0x07ffffff, 0x03000000,
 448	0x8e88, 0x01ff1f3f, 0x00000000,
 449	0x8e88, 0x01ff1f3f, 0x00000000,
 450	0x8e88, 0x01ff1f3f, 0x00000000,
 451	0x8e84, 0x01ff1f3f, 0x00000000,
 452	0x8e84, 0x01ff1f3f, 0x00000000,
 453	0x8e84, 0x01ff1f3f, 0x00000000,
 454	0x9060, 0x0000007f, 0x00000020,
 455	0x9508, 0x00010000, 0x00010000,
 456	0xac14, 0x000003ff, 0x00000003,
 457	0xac14, 0x000003ff, 0x00000003,
 458	0xac14, 0x000003ff, 0x00000003,
 459	0xac10, 0xffffffff, 0x00000000,
 460	0xac10, 0xffffffff, 0x00000000,
 461	0xac10, 0xffffffff, 0x00000000,
 462	0xac0c, 0xffffffff, 0x00001032,
 463	0xac0c, 0xffffffff, 0x00001032,
 464	0xac0c, 0xffffffff, 0x00001032,
 465	0x88d4, 0x0000001f, 0x00000010,
 466	0x88d4, 0x0000001f, 0x00000010,
 467	0x88d4, 0x0000001f, 0x00000010,
 468	0x15c0, 0x000c0fc0, 0x000c0400
 469};
 470
 471static const u32 oland_golden_rlc_registers[] =
 472{
 473	0xc424, 0xffffffff, 0x00601005,
 474	0xc47c, 0xffffffff, 0x10104040,
 475	0xc488, 0xffffffff, 0x0100000a,
 476	0xc314, 0xffffffff, 0x00000800,
 477	0xc30c, 0xffffffff, 0x800000f4
 478};
 479
 480static const u32 oland_golden_registers[] =
 481{
 482	0x9a10, 0x00010000, 0x00018208,
 483	0x9830, 0xffffffff, 0x00000000,
 484	0x9834, 0xf00fffff, 0x00000400,
 485	0x9838, 0x0002021c, 0x00020200,
 486	0xc78, 0x00000080, 0x00000000,
 487	0xd030, 0x000300c0, 0x00800040,
 488	0xd830, 0x000300c0, 0x00800040,
 489	0x5bb0, 0x000000f0, 0x00000070,
 490	0x5bc0, 0x00200000, 0x50100000,
 491	0x7030, 0x31000311, 0x00000011,
 492	0x2ae4, 0x00073ffe, 0x000022a2,
 493	0x240c, 0x000007ff, 0x00000000,
 494	0x8a14, 0xf000001f, 0x00000007,
 495	0x8b24, 0xffffffff, 0x00ffffff,
 496	0x8b10, 0x0000ff0f, 0x00000000,
 497	0x28a4c, 0x07ffffff, 0x4e000000,
 498	0x28350, 0x3f3f3fff, 0x00000082,
 499	0x30, 0x000000ff, 0x0040,
 500	0x34, 0x00000040, 0x00004040,
 501	0x9100, 0x07ffffff, 0x03000000,
 502	0x9060, 0x0000007f, 0x00000020,
 503	0x9508, 0x00010000, 0x00010000,
 504	0xac14, 0x000003ff, 0x000000f3,
 505	0xac10, 0xffffffff, 0x00000000,
 506	0xac0c, 0xffffffff, 0x00003210,
 507	0x88d4, 0x0000001f, 0x00000010,
 508	0x15c0, 0x000c0fc0, 0x000c0400
 509};
 510
 511static const u32 hainan_golden_registers[] =
 512{
 513	0x9a10, 0x00010000, 0x00018208,
 514	0x9830, 0xffffffff, 0x00000000,
 515	0x9834, 0xf00fffff, 0x00000400,
 516	0x9838, 0x0002021c, 0x00020200,
 517	0xd0c0, 0xff000fff, 0x00000100,
 518	0xd030, 0x000300c0, 0x00800040,
 519	0xd8c0, 0xff000fff, 0x00000100,
 520	0xd830, 0x000300c0, 0x00800040,
 521	0x2ae4, 0x00073ffe, 0x000022a2,
 522	0x240c, 0x000007ff, 0x00000000,
 523	0x8a14, 0xf000001f, 0x00000007,
 524	0x8b24, 0xffffffff, 0x00ffffff,
 525	0x8b10, 0x0000ff0f, 0x00000000,
 526	0x28a4c, 0x07ffffff, 0x4e000000,
 527	0x28350, 0x3f3f3fff, 0x00000000,
 528	0x30, 0x000000ff, 0x0040,
 529	0x34, 0x00000040, 0x00004040,
 530	0x9100, 0x03e00000, 0x03600000,
 531	0x9060, 0x0000007f, 0x00000020,
 532	0x9508, 0x00010000, 0x00010000,
 533	0xac14, 0x000003ff, 0x000000f1,
 534	0xac10, 0xffffffff, 0x00000000,
 535	0xac0c, 0xffffffff, 0x00003210,
 536	0x88d4, 0x0000001f, 0x00000010,
 537	0x15c0, 0x000c0fc0, 0x000c0400
 538};
 539
 540static const u32 hainan_golden_registers2[] =
 541{
 542	0x98f8, 0xffffffff, 0x02010001
 543};
 544
 545static const u32 tahiti_mgcg_cgcg_init[] =
 546{
 547	0xc400, 0xffffffff, 0xfffffffc,
 548	0x802c, 0xffffffff, 0xe0000000,
 549	0x9a60, 0xffffffff, 0x00000100,
 550	0x92a4, 0xffffffff, 0x00000100,
 551	0xc164, 0xffffffff, 0x00000100,
 552	0x9774, 0xffffffff, 0x00000100,
 553	0x8984, 0xffffffff, 0x06000100,
 554	0x8a18, 0xffffffff, 0x00000100,
 555	0x92a0, 0xffffffff, 0x00000100,
 556	0xc380, 0xffffffff, 0x00000100,
 557	0x8b28, 0xffffffff, 0x00000100,
 558	0x9144, 0xffffffff, 0x00000100,
 559	0x8d88, 0xffffffff, 0x00000100,
 560	0x8d8c, 0xffffffff, 0x00000100,
 561	0x9030, 0xffffffff, 0x00000100,
 562	0x9034, 0xffffffff, 0x00000100,
 563	0x9038, 0xffffffff, 0x00000100,
 564	0x903c, 0xffffffff, 0x00000100,
 565	0xad80, 0xffffffff, 0x00000100,
 566	0xac54, 0xffffffff, 0x00000100,
 567	0x897c, 0xffffffff, 0x06000100,
 568	0x9868, 0xffffffff, 0x00000100,
 569	0x9510, 0xffffffff, 0x00000100,
 570	0xaf04, 0xffffffff, 0x00000100,
 571	0xae04, 0xffffffff, 0x00000100,
 572	0x949c, 0xffffffff, 0x00000100,
 573	0x802c, 0xffffffff, 0xe0000000,
 574	0x9160, 0xffffffff, 0x00010000,
 575	0x9164, 0xffffffff, 0x00030002,
 576	0x9168, 0xffffffff, 0x00040007,
 577	0x916c, 0xffffffff, 0x00060005,
 578	0x9170, 0xffffffff, 0x00090008,
 579	0x9174, 0xffffffff, 0x00020001,
 580	0x9178, 0xffffffff, 0x00040003,
 581	0x917c, 0xffffffff, 0x00000007,
 582	0x9180, 0xffffffff, 0x00060005,
 583	0x9184, 0xffffffff, 0x00090008,
 584	0x9188, 0xffffffff, 0x00030002,
 585	0x918c, 0xffffffff, 0x00050004,
 586	0x9190, 0xffffffff, 0x00000008,
 587	0x9194, 0xffffffff, 0x00070006,
 588	0x9198, 0xffffffff, 0x000a0009,
 589	0x919c, 0xffffffff, 0x00040003,
 590	0x91a0, 0xffffffff, 0x00060005,
 591	0x91a4, 0xffffffff, 0x00000009,
 592	0x91a8, 0xffffffff, 0x00080007,
 593	0x91ac, 0xffffffff, 0x000b000a,
 594	0x91b0, 0xffffffff, 0x00050004,
 595	0x91b4, 0xffffffff, 0x00070006,
 596	0x91b8, 0xffffffff, 0x0008000b,
 597	0x91bc, 0xffffffff, 0x000a0009,
 598	0x91c0, 0xffffffff, 0x000d000c,
 599	0x91c4, 0xffffffff, 0x00060005,
 600	0x91c8, 0xffffffff, 0x00080007,
 601	0x91cc, 0xffffffff, 0x0000000b,
 602	0x91d0, 0xffffffff, 0x000a0009,
 603	0x91d4, 0xffffffff, 0x000d000c,
 604	0x91d8, 0xffffffff, 0x00070006,
 605	0x91dc, 0xffffffff, 0x00090008,
 606	0x91e0, 0xffffffff, 0x0000000c,
 607	0x91e4, 0xffffffff, 0x000b000a,
 608	0x91e8, 0xffffffff, 0x000e000d,
 609	0x91ec, 0xffffffff, 0x00080007,
 610	0x91f0, 0xffffffff, 0x000a0009,
 611	0x91f4, 0xffffffff, 0x0000000d,
 612	0x91f8, 0xffffffff, 0x000c000b,
 613	0x91fc, 0xffffffff, 0x000f000e,
 614	0x9200, 0xffffffff, 0x00090008,
 615	0x9204, 0xffffffff, 0x000b000a,
 616	0x9208, 0xffffffff, 0x000c000f,
 617	0x920c, 0xffffffff, 0x000e000d,
 618	0x9210, 0xffffffff, 0x00110010,
 619	0x9214, 0xffffffff, 0x000a0009,
 620	0x9218, 0xffffffff, 0x000c000b,
 621	0x921c, 0xffffffff, 0x0000000f,
 622	0x9220, 0xffffffff, 0x000e000d,
 623	0x9224, 0xffffffff, 0x00110010,
 624	0x9228, 0xffffffff, 0x000b000a,
 625	0x922c, 0xffffffff, 0x000d000c,
 626	0x9230, 0xffffffff, 0x00000010,
 627	0x9234, 0xffffffff, 0x000f000e,
 628	0x9238, 0xffffffff, 0x00120011,
 629	0x923c, 0xffffffff, 0x000c000b,
 630	0x9240, 0xffffffff, 0x000e000d,
 631	0x9244, 0xffffffff, 0x00000011,
 632	0x9248, 0xffffffff, 0x0010000f,
 633	0x924c, 0xffffffff, 0x00130012,
 634	0x9250, 0xffffffff, 0x000d000c,
 635	0x9254, 0xffffffff, 0x000f000e,
 636	0x9258, 0xffffffff, 0x00100013,
 637	0x925c, 0xffffffff, 0x00120011,
 638	0x9260, 0xffffffff, 0x00150014,
 639	0x9264, 0xffffffff, 0x000e000d,
 640	0x9268, 0xffffffff, 0x0010000f,
 641	0x926c, 0xffffffff, 0x00000013,
 642	0x9270, 0xffffffff, 0x00120011,
 643	0x9274, 0xffffffff, 0x00150014,
 644	0x9278, 0xffffffff, 0x000f000e,
 645	0x927c, 0xffffffff, 0x00110010,
 646	0x9280, 0xffffffff, 0x00000014,
 647	0x9284, 0xffffffff, 0x00130012,
 648	0x9288, 0xffffffff, 0x00160015,
 649	0x928c, 0xffffffff, 0x0010000f,
 650	0x9290, 0xffffffff, 0x00120011,
 651	0x9294, 0xffffffff, 0x00000015,
 652	0x9298, 0xffffffff, 0x00140013,
 653	0x929c, 0xffffffff, 0x00170016,
 654	0x9150, 0xffffffff, 0x96940200,
 655	0x8708, 0xffffffff, 0x00900100,
 656	0xc478, 0xffffffff, 0x00000080,
 657	0xc404, 0xffffffff, 0x0020003f,
 658	0x30, 0xffffffff, 0x0000001c,
 659	0x34, 0x000f0000, 0x000f0000,
 660	0x160c, 0xffffffff, 0x00000100,
 661	0x1024, 0xffffffff, 0x00000100,
 662	0x102c, 0x00000101, 0x00000000,
 663	0x20a8, 0xffffffff, 0x00000104,
 664	0x264c, 0x000c0000, 0x000c0000,
 665	0x2648, 0x000c0000, 0x000c0000,
 666	0x55e4, 0xff000fff, 0x00000100,
 667	0x55e8, 0x00000001, 0x00000001,
 668	0x2f50, 0x00000001, 0x00000001,
 669	0x30cc, 0xc0000fff, 0x00000104,
 670	0xc1e4, 0x00000001, 0x00000001,
 671	0xd0c0, 0xfffffff0, 0x00000100,
 672	0xd8c0, 0xfffffff0, 0x00000100
 673};
 674
 675static const u32 pitcairn_mgcg_cgcg_init[] =
 676{
 677	0xc400, 0xffffffff, 0xfffffffc,
 678	0x802c, 0xffffffff, 0xe0000000,
 679	0x9a60, 0xffffffff, 0x00000100,
 680	0x92a4, 0xffffffff, 0x00000100,
 681	0xc164, 0xffffffff, 0x00000100,
 682	0x9774, 0xffffffff, 0x00000100,
 683	0x8984, 0xffffffff, 0x06000100,
 684	0x8a18, 0xffffffff, 0x00000100,
 685	0x92a0, 0xffffffff, 0x00000100,
 686	0xc380, 0xffffffff, 0x00000100,
 687	0x8b28, 0xffffffff, 0x00000100,
 688	0x9144, 0xffffffff, 0x00000100,
 689	0x8d88, 0xffffffff, 0x00000100,
 690	0x8d8c, 0xffffffff, 0x00000100,
 691	0x9030, 0xffffffff, 0x00000100,
 692	0x9034, 0xffffffff, 0x00000100,
 693	0x9038, 0xffffffff, 0x00000100,
 694	0x903c, 0xffffffff, 0x00000100,
 695	0xad80, 0xffffffff, 0x00000100,
 696	0xac54, 0xffffffff, 0x00000100,
 697	0x897c, 0xffffffff, 0x06000100,
 698	0x9868, 0xffffffff, 0x00000100,
 699	0x9510, 0xffffffff, 0x00000100,
 700	0xaf04, 0xffffffff, 0x00000100,
 701	0xae04, 0xffffffff, 0x00000100,
 702	0x949c, 0xffffffff, 0x00000100,
 703	0x802c, 0xffffffff, 0xe0000000,
 704	0x9160, 0xffffffff, 0x00010000,
 705	0x9164, 0xffffffff, 0x00030002,
 706	0x9168, 0xffffffff, 0x00040007,
 707	0x916c, 0xffffffff, 0x00060005,
 708	0x9170, 0xffffffff, 0x00090008,
 709	0x9174, 0xffffffff, 0x00020001,
 710	0x9178, 0xffffffff, 0x00040003,
 711	0x917c, 0xffffffff, 0x00000007,
 712	0x9180, 0xffffffff, 0x00060005,
 713	0x9184, 0xffffffff, 0x00090008,
 714	0x9188, 0xffffffff, 0x00030002,
 715	0x918c, 0xffffffff, 0x00050004,
 716	0x9190, 0xffffffff, 0x00000008,
 717	0x9194, 0xffffffff, 0x00070006,
 718	0x9198, 0xffffffff, 0x000a0009,
 719	0x919c, 0xffffffff, 0x00040003,
 720	0x91a0, 0xffffffff, 0x00060005,
 721	0x91a4, 0xffffffff, 0x00000009,
 722	0x91a8, 0xffffffff, 0x00080007,
 723	0x91ac, 0xffffffff, 0x000b000a,
 724	0x91b0, 0xffffffff, 0x00050004,
 725	0x91b4, 0xffffffff, 0x00070006,
 726	0x91b8, 0xffffffff, 0x0008000b,
 727	0x91bc, 0xffffffff, 0x000a0009,
 728	0x91c0, 0xffffffff, 0x000d000c,
 729	0x9200, 0xffffffff, 0x00090008,
 730	0x9204, 0xffffffff, 0x000b000a,
 731	0x9208, 0xffffffff, 0x000c000f,
 732	0x920c, 0xffffffff, 0x000e000d,
 733	0x9210, 0xffffffff, 0x00110010,
 734	0x9214, 0xffffffff, 0x000a0009,
 735	0x9218, 0xffffffff, 0x000c000b,
 736	0x921c, 0xffffffff, 0x0000000f,
 737	0x9220, 0xffffffff, 0x000e000d,
 738	0x9224, 0xffffffff, 0x00110010,
 739	0x9228, 0xffffffff, 0x000b000a,
 740	0x922c, 0xffffffff, 0x000d000c,
 741	0x9230, 0xffffffff, 0x00000010,
 742	0x9234, 0xffffffff, 0x000f000e,
 743	0x9238, 0xffffffff, 0x00120011,
 744	0x923c, 0xffffffff, 0x000c000b,
 745	0x9240, 0xffffffff, 0x000e000d,
 746	0x9244, 0xffffffff, 0x00000011,
 747	0x9248, 0xffffffff, 0x0010000f,
 748	0x924c, 0xffffffff, 0x00130012,
 749	0x9250, 0xffffffff, 0x000d000c,
 750	0x9254, 0xffffffff, 0x000f000e,
 751	0x9258, 0xffffffff, 0x00100013,
 752	0x925c, 0xffffffff, 0x00120011,
 753	0x9260, 0xffffffff, 0x00150014,
 754	0x9150, 0xffffffff, 0x96940200,
 755	0x8708, 0xffffffff, 0x00900100,
 756	0xc478, 0xffffffff, 0x00000080,
 757	0xc404, 0xffffffff, 0x0020003f,
 758	0x30, 0xffffffff, 0x0000001c,
 759	0x34, 0x000f0000, 0x000f0000,
 760	0x160c, 0xffffffff, 0x00000100,
 761	0x1024, 0xffffffff, 0x00000100,
 762	0x102c, 0x00000101, 0x00000000,
 763	0x20a8, 0xffffffff, 0x00000104,
 764	0x55e4, 0xff000fff, 0x00000100,
 765	0x55e8, 0x00000001, 0x00000001,
 766	0x2f50, 0x00000001, 0x00000001,
 767	0x30cc, 0xc0000fff, 0x00000104,
 768	0xc1e4, 0x00000001, 0x00000001,
 769	0xd0c0, 0xfffffff0, 0x00000100,
 770	0xd8c0, 0xfffffff0, 0x00000100
 771};
 772
 773static const u32 verde_mgcg_cgcg_init[] =
 774{
 775	0xc400, 0xffffffff, 0xfffffffc,
 776	0x802c, 0xffffffff, 0xe0000000,
 777	0x9a60, 0xffffffff, 0x00000100,
 778	0x92a4, 0xffffffff, 0x00000100,
 779	0xc164, 0xffffffff, 0x00000100,
 780	0x9774, 0xffffffff, 0x00000100,
 781	0x8984, 0xffffffff, 0x06000100,
 782	0x8a18, 0xffffffff, 0x00000100,
 783	0x92a0, 0xffffffff, 0x00000100,
 784	0xc380, 0xffffffff, 0x00000100,
 785	0x8b28, 0xffffffff, 0x00000100,
 786	0x9144, 0xffffffff, 0x00000100,
 787	0x8d88, 0xffffffff, 0x00000100,
 788	0x8d8c, 0xffffffff, 0x00000100,
 789	0x9030, 0xffffffff, 0x00000100,
 790	0x9034, 0xffffffff, 0x00000100,
 791	0x9038, 0xffffffff, 0x00000100,
 792	0x903c, 0xffffffff, 0x00000100,
 793	0xad80, 0xffffffff, 0x00000100,
 794	0xac54, 0xffffffff, 0x00000100,
 795	0x897c, 0xffffffff, 0x06000100,
 796	0x9868, 0xffffffff, 0x00000100,
 797	0x9510, 0xffffffff, 0x00000100,
 798	0xaf04, 0xffffffff, 0x00000100,
 799	0xae04, 0xffffffff, 0x00000100,
 800	0x949c, 0xffffffff, 0x00000100,
 801	0x802c, 0xffffffff, 0xe0000000,
 802	0x9160, 0xffffffff, 0x00010000,
 803	0x9164, 0xffffffff, 0x00030002,
 804	0x9168, 0xffffffff, 0x00040007,
 805	0x916c, 0xffffffff, 0x00060005,
 806	0x9170, 0xffffffff, 0x00090008,
 807	0x9174, 0xffffffff, 0x00020001,
 808	0x9178, 0xffffffff, 0x00040003,
 809	0x917c, 0xffffffff, 0x00000007,
 810	0x9180, 0xffffffff, 0x00060005,
 811	0x9184, 0xffffffff, 0x00090008,
 812	0x9188, 0xffffffff, 0x00030002,
 813	0x918c, 0xffffffff, 0x00050004,
 814	0x9190, 0xffffffff, 0x00000008,
 815	0x9194, 0xffffffff, 0x00070006,
 816	0x9198, 0xffffffff, 0x000a0009,
 817	0x919c, 0xffffffff, 0x00040003,
 818	0x91a0, 0xffffffff, 0x00060005,
 819	0x91a4, 0xffffffff, 0x00000009,
 820	0x91a8, 0xffffffff, 0x00080007,
 821	0x91ac, 0xffffffff, 0x000b000a,
 822	0x91b0, 0xffffffff, 0x00050004,
 823	0x91b4, 0xffffffff, 0x00070006,
 824	0x91b8, 0xffffffff, 0x0008000b,
 825	0x91bc, 0xffffffff, 0x000a0009,
 826	0x91c0, 0xffffffff, 0x000d000c,
 827	0x9200, 0xffffffff, 0x00090008,
 828	0x9204, 0xffffffff, 0x000b000a,
 829	0x9208, 0xffffffff, 0x000c000f,
 830	0x920c, 0xffffffff, 0x000e000d,
 831	0x9210, 0xffffffff, 0x00110010,
 832	0x9214, 0xffffffff, 0x000a0009,
 833	0x9218, 0xffffffff, 0x000c000b,
 834	0x921c, 0xffffffff, 0x0000000f,
 835	0x9220, 0xffffffff, 0x000e000d,
 836	0x9224, 0xffffffff, 0x00110010,
 837	0x9228, 0xffffffff, 0x000b000a,
 838	0x922c, 0xffffffff, 0x000d000c,
 839	0x9230, 0xffffffff, 0x00000010,
 840	0x9234, 0xffffffff, 0x000f000e,
 841	0x9238, 0xffffffff, 0x00120011,
 842	0x923c, 0xffffffff, 0x000c000b,
 843	0x9240, 0xffffffff, 0x000e000d,
 844	0x9244, 0xffffffff, 0x00000011,
 845	0x9248, 0xffffffff, 0x0010000f,
 846	0x924c, 0xffffffff, 0x00130012,
 847	0x9250, 0xffffffff, 0x000d000c,
 848	0x9254, 0xffffffff, 0x000f000e,
 849	0x9258, 0xffffffff, 0x00100013,
 850	0x925c, 0xffffffff, 0x00120011,
 851	0x9260, 0xffffffff, 0x00150014,
 852	0x9150, 0xffffffff, 0x96940200,
 853	0x8708, 0xffffffff, 0x00900100,
 854	0xc478, 0xffffffff, 0x00000080,
 855	0xc404, 0xffffffff, 0x0020003f,
 856	0x30, 0xffffffff, 0x0000001c,
 857	0x34, 0x000f0000, 0x000f0000,
 858	0x160c, 0xffffffff, 0x00000100,
 859	0x1024, 0xffffffff, 0x00000100,
 860	0x102c, 0x00000101, 0x00000000,
 861	0x20a8, 0xffffffff, 0x00000104,
 862	0x264c, 0x000c0000, 0x000c0000,
 863	0x2648, 0x000c0000, 0x000c0000,
 864	0x55e4, 0xff000fff, 0x00000100,
 865	0x55e8, 0x00000001, 0x00000001,
 866	0x2f50, 0x00000001, 0x00000001,
 867	0x30cc, 0xc0000fff, 0x00000104,
 868	0xc1e4, 0x00000001, 0x00000001,
 869	0xd0c0, 0xfffffff0, 0x00000100,
 870	0xd8c0, 0xfffffff0, 0x00000100
 871};
 872
 873static const u32 oland_mgcg_cgcg_init[] =
 874{
 875	0xc400, 0xffffffff, 0xfffffffc,
 876	0x802c, 0xffffffff, 0xe0000000,
 877	0x9a60, 0xffffffff, 0x00000100,
 878	0x92a4, 0xffffffff, 0x00000100,
 879	0xc164, 0xffffffff, 0x00000100,
 880	0x9774, 0xffffffff, 0x00000100,
 881	0x8984, 0xffffffff, 0x06000100,
 882	0x8a18, 0xffffffff, 0x00000100,
 883	0x92a0, 0xffffffff, 0x00000100,
 884	0xc380, 0xffffffff, 0x00000100,
 885	0x8b28, 0xffffffff, 0x00000100,
 886	0x9144, 0xffffffff, 0x00000100,
 887	0x8d88, 0xffffffff, 0x00000100,
 888	0x8d8c, 0xffffffff, 0x00000100,
 889	0x9030, 0xffffffff, 0x00000100,
 890	0x9034, 0xffffffff, 0x00000100,
 891	0x9038, 0xffffffff, 0x00000100,
 892	0x903c, 0xffffffff, 0x00000100,
 893	0xad80, 0xffffffff, 0x00000100,
 894	0xac54, 0xffffffff, 0x00000100,
 895	0x897c, 0xffffffff, 0x06000100,
 896	0x9868, 0xffffffff, 0x00000100,
 897	0x9510, 0xffffffff, 0x00000100,
 898	0xaf04, 0xffffffff, 0x00000100,
 899	0xae04, 0xffffffff, 0x00000100,
 900	0x949c, 0xffffffff, 0x00000100,
 901	0x802c, 0xffffffff, 0xe0000000,
 902	0x9160, 0xffffffff, 0x00010000,
 903	0x9164, 0xffffffff, 0x00030002,
 904	0x9168, 0xffffffff, 0x00040007,
 905	0x916c, 0xffffffff, 0x00060005,
 906	0x9170, 0xffffffff, 0x00090008,
 907	0x9174, 0xffffffff, 0x00020001,
 908	0x9178, 0xffffffff, 0x00040003,
 909	0x917c, 0xffffffff, 0x00000007,
 910	0x9180, 0xffffffff, 0x00060005,
 911	0x9184, 0xffffffff, 0x00090008,
 912	0x9188, 0xffffffff, 0x00030002,
 913	0x918c, 0xffffffff, 0x00050004,
 914	0x9190, 0xffffffff, 0x00000008,
 915	0x9194, 0xffffffff, 0x00070006,
 916	0x9198, 0xffffffff, 0x000a0009,
 917	0x919c, 0xffffffff, 0x00040003,
 918	0x91a0, 0xffffffff, 0x00060005,
 919	0x91a4, 0xffffffff, 0x00000009,
 920	0x91a8, 0xffffffff, 0x00080007,
 921	0x91ac, 0xffffffff, 0x000b000a,
 922	0x91b0, 0xffffffff, 0x00050004,
 923	0x91b4, 0xffffffff, 0x00070006,
 924	0x91b8, 0xffffffff, 0x0008000b,
 925	0x91bc, 0xffffffff, 0x000a0009,
 926	0x91c0, 0xffffffff, 0x000d000c,
 927	0x91c4, 0xffffffff, 0x00060005,
 928	0x91c8, 0xffffffff, 0x00080007,
 929	0x91cc, 0xffffffff, 0x0000000b,
 930	0x91d0, 0xffffffff, 0x000a0009,
 931	0x91d4, 0xffffffff, 0x000d000c,
 932	0x9150, 0xffffffff, 0x96940200,
 933	0x8708, 0xffffffff, 0x00900100,
 934	0xc478, 0xffffffff, 0x00000080,
 935	0xc404, 0xffffffff, 0x0020003f,
 936	0x30, 0xffffffff, 0x0000001c,
 937	0x34, 0x000f0000, 0x000f0000,
 938	0x160c, 0xffffffff, 0x00000100,
 939	0x1024, 0xffffffff, 0x00000100,
 940	0x102c, 0x00000101, 0x00000000,
 941	0x20a8, 0xffffffff, 0x00000104,
 942	0x264c, 0x000c0000, 0x000c0000,
 943	0x2648, 0x000c0000, 0x000c0000,
 944	0x55e4, 0xff000fff, 0x00000100,
 945	0x55e8, 0x00000001, 0x00000001,
 946	0x2f50, 0x00000001, 0x00000001,
 947	0x30cc, 0xc0000fff, 0x00000104,
 948	0xc1e4, 0x00000001, 0x00000001,
 949	0xd0c0, 0xfffffff0, 0x00000100,
 950	0xd8c0, 0xfffffff0, 0x00000100
 951};
 952
 953static const u32 hainan_mgcg_cgcg_init[] =
 954{
 955	0xc400, 0xffffffff, 0xfffffffc,
 956	0x802c, 0xffffffff, 0xe0000000,
 957	0x9a60, 0xffffffff, 0x00000100,
 958	0x92a4, 0xffffffff, 0x00000100,
 959	0xc164, 0xffffffff, 0x00000100,
 960	0x9774, 0xffffffff, 0x00000100,
 961	0x8984, 0xffffffff, 0x06000100,
 962	0x8a18, 0xffffffff, 0x00000100,
 963	0x92a0, 0xffffffff, 0x00000100,
 964	0xc380, 0xffffffff, 0x00000100,
 965	0x8b28, 0xffffffff, 0x00000100,
 966	0x9144, 0xffffffff, 0x00000100,
 967	0x8d88, 0xffffffff, 0x00000100,
 968	0x8d8c, 0xffffffff, 0x00000100,
 969	0x9030, 0xffffffff, 0x00000100,
 970	0x9034, 0xffffffff, 0x00000100,
 971	0x9038, 0xffffffff, 0x00000100,
 972	0x903c, 0xffffffff, 0x00000100,
 973	0xad80, 0xffffffff, 0x00000100,
 974	0xac54, 0xffffffff, 0x00000100,
 975	0x897c, 0xffffffff, 0x06000100,
 976	0x9868, 0xffffffff, 0x00000100,
 977	0x9510, 0xffffffff, 0x00000100,
 978	0xaf04, 0xffffffff, 0x00000100,
 979	0xae04, 0xffffffff, 0x00000100,
 980	0x949c, 0xffffffff, 0x00000100,
 981	0x802c, 0xffffffff, 0xe0000000,
 982	0x9160, 0xffffffff, 0x00010000,
 983	0x9164, 0xffffffff, 0x00030002,
 984	0x9168, 0xffffffff, 0x00040007,
 985	0x916c, 0xffffffff, 0x00060005,
 986	0x9170, 0xffffffff, 0x00090008,
 987	0x9174, 0xffffffff, 0x00020001,
 988	0x9178, 0xffffffff, 0x00040003,
 989	0x917c, 0xffffffff, 0x00000007,
 990	0x9180, 0xffffffff, 0x00060005,
 991	0x9184, 0xffffffff, 0x00090008,
 992	0x9188, 0xffffffff, 0x00030002,
 993	0x918c, 0xffffffff, 0x00050004,
 994	0x9190, 0xffffffff, 0x00000008,
 995	0x9194, 0xffffffff, 0x00070006,
 996	0x9198, 0xffffffff, 0x000a0009,
 997	0x919c, 0xffffffff, 0x00040003,
 998	0x91a0, 0xffffffff, 0x00060005,
 999	0x91a4, 0xffffffff, 0x00000009,
1000	0x91a8, 0xffffffff, 0x00080007,
1001	0x91ac, 0xffffffff, 0x000b000a,
1002	0x91b0, 0xffffffff, 0x00050004,
1003	0x91b4, 0xffffffff, 0x00070006,
1004	0x91b8, 0xffffffff, 0x0008000b,
1005	0x91bc, 0xffffffff, 0x000a0009,
1006	0x91c0, 0xffffffff, 0x000d000c,
1007	0x91c4, 0xffffffff, 0x00060005,
1008	0x91c8, 0xffffffff, 0x00080007,
1009	0x91cc, 0xffffffff, 0x0000000b,
1010	0x91d0, 0xffffffff, 0x000a0009,
1011	0x91d4, 0xffffffff, 0x000d000c,
1012	0x9150, 0xffffffff, 0x96940200,
1013	0x8708, 0xffffffff, 0x00900100,
1014	0xc478, 0xffffffff, 0x00000080,
1015	0xc404, 0xffffffff, 0x0020003f,
1016	0x30, 0xffffffff, 0x0000001c,
1017	0x34, 0x000f0000, 0x000f0000,
1018	0x160c, 0xffffffff, 0x00000100,
1019	0x1024, 0xffffffff, 0x00000100,
1020	0x20a8, 0xffffffff, 0x00000104,
1021	0x264c, 0x000c0000, 0x000c0000,
1022	0x2648, 0x000c0000, 0x000c0000,
1023	0x2f50, 0x00000001, 0x00000001,
1024	0x30cc, 0xc0000fff, 0x00000104,
1025	0xc1e4, 0x00000001, 0x00000001,
1026	0xd0c0, 0xfffffff0, 0x00000100,
1027	0xd8c0, 0xfffffff0, 0x00000100
1028};
1029
1030static u32 verde_pg_init[] =
1031{
1032	0x353c, 0xffffffff, 0x40000,
1033	0x3538, 0xffffffff, 0x200010ff,
1034	0x353c, 0xffffffff, 0x0,
1035	0x353c, 0xffffffff, 0x0,
1036	0x353c, 0xffffffff, 0x0,
1037	0x353c, 0xffffffff, 0x0,
1038	0x353c, 0xffffffff, 0x0,
1039	0x353c, 0xffffffff, 0x7007,
1040	0x3538, 0xffffffff, 0x300010ff,
1041	0x353c, 0xffffffff, 0x0,
1042	0x353c, 0xffffffff, 0x0,
1043	0x353c, 0xffffffff, 0x0,
1044	0x353c, 0xffffffff, 0x0,
1045	0x353c, 0xffffffff, 0x0,
1046	0x353c, 0xffffffff, 0x400000,
1047	0x3538, 0xffffffff, 0x100010ff,
1048	0x353c, 0xffffffff, 0x0,
1049	0x353c, 0xffffffff, 0x0,
1050	0x353c, 0xffffffff, 0x0,
1051	0x353c, 0xffffffff, 0x0,
1052	0x353c, 0xffffffff, 0x0,
1053	0x353c, 0xffffffff, 0x120200,
1054	0x3538, 0xffffffff, 0x500010ff,
1055	0x353c, 0xffffffff, 0x0,
1056	0x353c, 0xffffffff, 0x0,
1057	0x353c, 0xffffffff, 0x0,
1058	0x353c, 0xffffffff, 0x0,
1059	0x353c, 0xffffffff, 0x0,
1060	0x353c, 0xffffffff, 0x1e1e16,
1061	0x3538, 0xffffffff, 0x600010ff,
1062	0x353c, 0xffffffff, 0x0,
1063	0x353c, 0xffffffff, 0x0,
1064	0x353c, 0xffffffff, 0x0,
1065	0x353c, 0xffffffff, 0x0,
1066	0x353c, 0xffffffff, 0x0,
1067	0x353c, 0xffffffff, 0x171f1e,
1068	0x3538, 0xffffffff, 0x700010ff,
1069	0x353c, 0xffffffff, 0x0,
1070	0x353c, 0xffffffff, 0x0,
1071	0x353c, 0xffffffff, 0x0,
1072	0x353c, 0xffffffff, 0x0,
1073	0x353c, 0xffffffff, 0x0,
1074	0x353c, 0xffffffff, 0x0,
1075	0x3538, 0xffffffff, 0x9ff,
1076	0x3500, 0xffffffff, 0x0,
1077	0x3504, 0xffffffff, 0x10000800,
1078	0x3504, 0xffffffff, 0xf,
1079	0x3504, 0xffffffff, 0xf,
1080	0x3500, 0xffffffff, 0x4,
1081	0x3504, 0xffffffff, 0x1000051e,
1082	0x3504, 0xffffffff, 0xffff,
1083	0x3504, 0xffffffff, 0xffff,
1084	0x3500, 0xffffffff, 0x8,
1085	0x3504, 0xffffffff, 0x80500,
1086	0x3500, 0xffffffff, 0x12,
1087	0x3504, 0xffffffff, 0x9050c,
1088	0x3500, 0xffffffff, 0x1d,
1089	0x3504, 0xffffffff, 0xb052c,
1090	0x3500, 0xffffffff, 0x2a,
1091	0x3504, 0xffffffff, 0x1053e,
1092	0x3500, 0xffffffff, 0x2d,
1093	0x3504, 0xffffffff, 0x10546,
1094	0x3500, 0xffffffff, 0x30,
1095	0x3504, 0xffffffff, 0xa054e,
1096	0x3500, 0xffffffff, 0x3c,
1097	0x3504, 0xffffffff, 0x1055f,
1098	0x3500, 0xffffffff, 0x3f,
1099	0x3504, 0xffffffff, 0x10567,
1100	0x3500, 0xffffffff, 0x42,
1101	0x3504, 0xffffffff, 0x1056f,
1102	0x3500, 0xffffffff, 0x45,
1103	0x3504, 0xffffffff, 0x10572,
1104	0x3500, 0xffffffff, 0x48,
1105	0x3504, 0xffffffff, 0x20575,
1106	0x3500, 0xffffffff, 0x4c,
1107	0x3504, 0xffffffff, 0x190801,
1108	0x3500, 0xffffffff, 0x67,
1109	0x3504, 0xffffffff, 0x1082a,
1110	0x3500, 0xffffffff, 0x6a,
1111	0x3504, 0xffffffff, 0x1b082d,
1112	0x3500, 0xffffffff, 0x87,
1113	0x3504, 0xffffffff, 0x310851,
1114	0x3500, 0xffffffff, 0xba,
1115	0x3504, 0xffffffff, 0x891,
1116	0x3500, 0xffffffff, 0xbc,
1117	0x3504, 0xffffffff, 0x893,
1118	0x3500, 0xffffffff, 0xbe,
1119	0x3504, 0xffffffff, 0x20895,
1120	0x3500, 0xffffffff, 0xc2,
1121	0x3504, 0xffffffff, 0x20899,
1122	0x3500, 0xffffffff, 0xc6,
1123	0x3504, 0xffffffff, 0x2089d,
1124	0x3500, 0xffffffff, 0xca,
1125	0x3504, 0xffffffff, 0x8a1,
1126	0x3500, 0xffffffff, 0xcc,
1127	0x3504, 0xffffffff, 0x8a3,
1128	0x3500, 0xffffffff, 0xce,
1129	0x3504, 0xffffffff, 0x308a5,
1130	0x3500, 0xffffffff, 0xd3,
1131	0x3504, 0xffffffff, 0x6d08cd,
1132	0x3500, 0xffffffff, 0x142,
1133	0x3504, 0xffffffff, 0x2000095a,
1134	0x3504, 0xffffffff, 0x1,
1135	0x3500, 0xffffffff, 0x144,
1136	0x3504, 0xffffffff, 0x301f095b,
1137	0x3500, 0xffffffff, 0x165,
1138	0x3504, 0xffffffff, 0xc094d,
1139	0x3500, 0xffffffff, 0x173,
1140	0x3504, 0xffffffff, 0xf096d,
1141	0x3500, 0xffffffff, 0x184,
1142	0x3504, 0xffffffff, 0x15097f,
1143	0x3500, 0xffffffff, 0x19b,
1144	0x3504, 0xffffffff, 0xc0998,
1145	0x3500, 0xffffffff, 0x1a9,
1146	0x3504, 0xffffffff, 0x409a7,
1147	0x3500, 0xffffffff, 0x1af,
1148	0x3504, 0xffffffff, 0xcdc,
1149	0x3500, 0xffffffff, 0x1b1,
1150	0x3504, 0xffffffff, 0x800,
1151	0x3508, 0xffffffff, 0x6c9b2000,
1152	0x3510, 0xfc00, 0x2000,
1153	0x3544, 0xffffffff, 0xfc0,
1154	0x28d4, 0x00000100, 0x100
1155};
1156
1157static void si_init_golden_registers(struct radeon_device *rdev)
1158{
1159	switch (rdev->family) {
1160	case CHIP_TAHITI:
1161		radeon_program_register_sequence(rdev,
1162						 tahiti_golden_registers,
1163						 (const u32)ARRAY_SIZE(tahiti_golden_registers));
1164		radeon_program_register_sequence(rdev,
1165						 tahiti_golden_rlc_registers,
1166						 (const u32)ARRAY_SIZE(tahiti_golden_rlc_registers));
1167		radeon_program_register_sequence(rdev,
1168						 tahiti_mgcg_cgcg_init,
1169						 (const u32)ARRAY_SIZE(tahiti_mgcg_cgcg_init));
1170		radeon_program_register_sequence(rdev,
1171						 tahiti_golden_registers2,
1172						 (const u32)ARRAY_SIZE(tahiti_golden_registers2));
1173		break;
1174	case CHIP_PITCAIRN:
1175		radeon_program_register_sequence(rdev,
1176						 pitcairn_golden_registers,
1177						 (const u32)ARRAY_SIZE(pitcairn_golden_registers));
1178		radeon_program_register_sequence(rdev,
1179						 pitcairn_golden_rlc_registers,
1180						 (const u32)ARRAY_SIZE(pitcairn_golden_rlc_registers));
1181		radeon_program_register_sequence(rdev,
1182						 pitcairn_mgcg_cgcg_init,
1183						 (const u32)ARRAY_SIZE(pitcairn_mgcg_cgcg_init));
1184		break;
1185	case CHIP_VERDE:
1186		radeon_program_register_sequence(rdev,
1187						 verde_golden_registers,
1188						 (const u32)ARRAY_SIZE(verde_golden_registers));
1189		radeon_program_register_sequence(rdev,
1190						 verde_golden_rlc_registers,
1191						 (const u32)ARRAY_SIZE(verde_golden_rlc_registers));
1192		radeon_program_register_sequence(rdev,
1193						 verde_mgcg_cgcg_init,
1194						 (const u32)ARRAY_SIZE(verde_mgcg_cgcg_init));
1195		radeon_program_register_sequence(rdev,
1196						 verde_pg_init,
1197						 (const u32)ARRAY_SIZE(verde_pg_init));
1198		break;
1199	case CHIP_OLAND:
1200		radeon_program_register_sequence(rdev,
1201						 oland_golden_registers,
1202						 (const u32)ARRAY_SIZE(oland_golden_registers));
1203		radeon_program_register_sequence(rdev,
1204						 oland_golden_rlc_registers,
1205						 (const u32)ARRAY_SIZE(oland_golden_rlc_registers));
1206		radeon_program_register_sequence(rdev,
1207						 oland_mgcg_cgcg_init,
1208						 (const u32)ARRAY_SIZE(oland_mgcg_cgcg_init));
1209		break;
1210	case CHIP_HAINAN:
1211		radeon_program_register_sequence(rdev,
1212						 hainan_golden_registers,
1213						 (const u32)ARRAY_SIZE(hainan_golden_registers));
1214		radeon_program_register_sequence(rdev,
1215						 hainan_golden_registers2,
1216						 (const u32)ARRAY_SIZE(hainan_golden_registers2));
1217		radeon_program_register_sequence(rdev,
1218						 hainan_mgcg_cgcg_init,
1219						 (const u32)ARRAY_SIZE(hainan_mgcg_cgcg_init));
1220		break;
1221	default:
1222		break;
1223	}
1224}
1225
1226#define PCIE_BUS_CLK                10000
1227#define TCLK                        (PCIE_BUS_CLK / 10)
1228
1229/**
1230 * si_get_xclk - get the xclk
1231 *
1232 * @rdev: radeon_device pointer
1233 *
1234 * Returns the reference clock used by the gfx engine
1235 * (SI).
1236 */
1237u32 si_get_xclk(struct radeon_device *rdev)
1238{
1239        u32 reference_clock = rdev->clock.spll.reference_freq;
1240	u32 tmp;
1241
1242	tmp = RREG32(CG_CLKPIN_CNTL_2);
1243	if (tmp & MUX_TCLK_TO_XCLK)
1244		return TCLK;
1245
1246	tmp = RREG32(CG_CLKPIN_CNTL);
1247	if (tmp & XTALIN_DIVIDE)
1248		return reference_clock / 4;
1249
1250	return reference_clock;
1251}
1252
1253/* get temperature in millidegrees */
1254int si_get_temp(struct radeon_device *rdev)
1255{
1256	u32 temp;
1257	int actual_temp = 0;
1258
1259	temp = (RREG32(CG_MULT_THERMAL_STATUS) & CTF_TEMP_MASK) >>
1260		CTF_TEMP_SHIFT;
1261
1262	if (temp & 0x200)
1263		actual_temp = 255;
1264	else
1265		actual_temp = temp & 0x1ff;
1266
1267	actual_temp = (actual_temp * 1000);
1268
1269	return actual_temp;
1270}
1271
1272#define TAHITI_IO_MC_REGS_SIZE 36
1273
1274static const u32 tahiti_io_mc_regs[TAHITI_IO_MC_REGS_SIZE][2] = {
1275	{0x0000006f, 0x03044000},
1276	{0x00000070, 0x0480c018},
1277	{0x00000071, 0x00000040},
1278	{0x00000072, 0x01000000},
1279	{0x00000074, 0x000000ff},
1280	{0x00000075, 0x00143400},
1281	{0x00000076, 0x08ec0800},
1282	{0x00000077, 0x040000cc},
1283	{0x00000079, 0x00000000},
1284	{0x0000007a, 0x21000409},
1285	{0x0000007c, 0x00000000},
1286	{0x0000007d, 0xe8000000},
1287	{0x0000007e, 0x044408a8},
1288	{0x0000007f, 0x00000003},
1289	{0x00000080, 0x00000000},
1290	{0x00000081, 0x01000000},
1291	{0x00000082, 0x02000000},
1292	{0x00000083, 0x00000000},
1293	{0x00000084, 0xe3f3e4f4},
1294	{0x00000085, 0x00052024},
1295	{0x00000087, 0x00000000},
1296	{0x00000088, 0x66036603},
1297	{0x00000089, 0x01000000},
1298	{0x0000008b, 0x1c0a0000},
1299	{0x0000008c, 0xff010000},
1300	{0x0000008e, 0xffffefff},
1301	{0x0000008f, 0xfff3efff},
1302	{0x00000090, 0xfff3efbf},
1303	{0x00000094, 0x00101101},
1304	{0x00000095, 0x00000fff},
1305	{0x00000096, 0x00116fff},
1306	{0x00000097, 0x60010000},
1307	{0x00000098, 0x10010000},
1308	{0x00000099, 0x00006000},
1309	{0x0000009a, 0x00001000},
1310	{0x0000009f, 0x00a77400}
1311};
1312
1313static const u32 pitcairn_io_mc_regs[TAHITI_IO_MC_REGS_SIZE][2] = {
1314	{0x0000006f, 0x03044000},
1315	{0x00000070, 0x0480c018},
1316	{0x00000071, 0x00000040},
1317	{0x00000072, 0x01000000},
1318	{0x00000074, 0x000000ff},
1319	{0x00000075, 0x00143400},
1320	{0x00000076, 0x08ec0800},
1321	{0x00000077, 0x040000cc},
1322	{0x00000079, 0x00000000},
1323	{0x0000007a, 0x21000409},
1324	{0x0000007c, 0x00000000},
1325	{0x0000007d, 0xe8000000},
1326	{0x0000007e, 0x044408a8},
1327	{0x0000007f, 0x00000003},
1328	{0x00000080, 0x00000000},
1329	{0x00000081, 0x01000000},
1330	{0x00000082, 0x02000000},
1331	{0x00000083, 0x00000000},
1332	{0x00000084, 0xe3f3e4f4},
1333	{0x00000085, 0x00052024},
1334	{0x00000087, 0x00000000},
1335	{0x00000088, 0x66036603},
1336	{0x00000089, 0x01000000},
1337	{0x0000008b, 0x1c0a0000},
1338	{0x0000008c, 0xff010000},
1339	{0x0000008e, 0xffffefff},
1340	{0x0000008f, 0xfff3efff},
1341	{0x00000090, 0xfff3efbf},
1342	{0x00000094, 0x00101101},
1343	{0x00000095, 0x00000fff},
1344	{0x00000096, 0x00116fff},
1345	{0x00000097, 0x60010000},
1346	{0x00000098, 0x10010000},
1347	{0x00000099, 0x00006000},
1348	{0x0000009a, 0x00001000},
1349	{0x0000009f, 0x00a47400}
1350};
1351
1352static const u32 verde_io_mc_regs[TAHITI_IO_MC_REGS_SIZE][2] = {
1353	{0x0000006f, 0x03044000},
1354	{0x00000070, 0x0480c018},
1355	{0x00000071, 0x00000040},
1356	{0x00000072, 0x01000000},
1357	{0x00000074, 0x000000ff},
1358	{0x00000075, 0x00143400},
1359	{0x00000076, 0x08ec0800},
1360	{0x00000077, 0x040000cc},
1361	{0x00000079, 0x00000000},
1362	{0x0000007a, 0x21000409},
1363	{0x0000007c, 0x00000000},
1364	{0x0000007d, 0xe8000000},
1365	{0x0000007e, 0x044408a8},
1366	{0x0000007f, 0x00000003},
1367	{0x00000080, 0x00000000},
1368	{0x00000081, 0x01000000},
1369	{0x00000082, 0x02000000},
1370	{0x00000083, 0x00000000},
1371	{0x00000084, 0xe3f3e4f4},
1372	{0x00000085, 0x00052024},
1373	{0x00000087, 0x00000000},
1374	{0x00000088, 0x66036603},
1375	{0x00000089, 0x01000000},
1376	{0x0000008b, 0x1c0a0000},
1377	{0x0000008c, 0xff010000},
1378	{0x0000008e, 0xffffefff},
1379	{0x0000008f, 0xfff3efff},
1380	{0x00000090, 0xfff3efbf},
1381	{0x00000094, 0x00101101},
1382	{0x00000095, 0x00000fff},
1383	{0x00000096, 0x00116fff},
1384	{0x00000097, 0x60010000},
1385	{0x00000098, 0x10010000},
1386	{0x00000099, 0x00006000},
1387	{0x0000009a, 0x00001000},
1388	{0x0000009f, 0x00a37400}
1389};
1390
1391static const u32 oland_io_mc_regs[TAHITI_IO_MC_REGS_SIZE][2] = {
1392	{0x0000006f, 0x03044000},
1393	{0x00000070, 0x0480c018},
1394	{0x00000071, 0x00000040},
1395	{0x00000072, 0x01000000},
1396	{0x00000074, 0x000000ff},
1397	{0x00000075, 0x00143400},
1398	{0x00000076, 0x08ec0800},
1399	{0x00000077, 0x040000cc},
1400	{0x00000079, 0x00000000},
1401	{0x0000007a, 0x21000409},
1402	{0x0000007c, 0x00000000},
1403	{0x0000007d, 0xe8000000},
1404	{0x0000007e, 0x044408a8},
1405	{0x0000007f, 0x00000003},
1406	{0x00000080, 0x00000000},
1407	{0x00000081, 0x01000000},
1408	{0x00000082, 0x02000000},
1409	{0x00000083, 0x00000000},
1410	{0x00000084, 0xe3f3e4f4},
1411	{0x00000085, 0x00052024},
1412	{0x00000087, 0x00000000},
1413	{0x00000088, 0x66036603},
1414	{0x00000089, 0x01000000},
1415	{0x0000008b, 0x1c0a0000},
1416	{0x0000008c, 0xff010000},
1417	{0x0000008e, 0xffffefff},
1418	{0x0000008f, 0xfff3efff},
1419	{0x00000090, 0xfff3efbf},
1420	{0x00000094, 0x00101101},
1421	{0x00000095, 0x00000fff},
1422	{0x00000096, 0x00116fff},
1423	{0x00000097, 0x60010000},
1424	{0x00000098, 0x10010000},
1425	{0x00000099, 0x00006000},
1426	{0x0000009a, 0x00001000},
1427	{0x0000009f, 0x00a17730}
1428};
1429
1430static const u32 hainan_io_mc_regs[TAHITI_IO_MC_REGS_SIZE][2] = {
1431	{0x0000006f, 0x03044000},
1432	{0x00000070, 0x0480c018},
1433	{0x00000071, 0x00000040},
1434	{0x00000072, 0x01000000},
1435	{0x00000074, 0x000000ff},
1436	{0x00000075, 0x00143400},
1437	{0x00000076, 0x08ec0800},
1438	{0x00000077, 0x040000cc},
1439	{0x00000079, 0x00000000},
1440	{0x0000007a, 0x21000409},
1441	{0x0000007c, 0x00000000},
1442	{0x0000007d, 0xe8000000},
1443	{0x0000007e, 0x044408a8},
1444	{0x0000007f, 0x00000003},
1445	{0x00000080, 0x00000000},
1446	{0x00000081, 0x01000000},
1447	{0x00000082, 0x02000000},
1448	{0x00000083, 0x00000000},
1449	{0x00000084, 0xe3f3e4f4},
1450	{0x00000085, 0x00052024},
1451	{0x00000087, 0x00000000},
1452	{0x00000088, 0x66036603},
1453	{0x00000089, 0x01000000},
1454	{0x0000008b, 0x1c0a0000},
1455	{0x0000008c, 0xff010000},
1456	{0x0000008e, 0xffffefff},
1457	{0x0000008f, 0xfff3efff},
1458	{0x00000090, 0xfff3efbf},
1459	{0x00000094, 0x00101101},
1460	{0x00000095, 0x00000fff},
1461	{0x00000096, 0x00116fff},
1462	{0x00000097, 0x60010000},
1463	{0x00000098, 0x10010000},
1464	{0x00000099, 0x00006000},
1465	{0x0000009a, 0x00001000},
1466	{0x0000009f, 0x00a07730}
1467};
1468
1469/* ucode loading */
1470int si_mc_load_microcode(struct radeon_device *rdev)
1471{
1472	const __be32 *fw_data;
1473	u32 running, blackout = 0;
1474	u32 *io_mc_regs;
1475	int i, regs_size, ucode_size;
1476
1477	if (!rdev->mc_fw)
1478		return -EINVAL;
1479
1480	ucode_size = rdev->mc_fw->size / 4;
1481
1482	switch (rdev->family) {
1483	case CHIP_TAHITI:
1484		io_mc_regs = (u32 *)&tahiti_io_mc_regs;
1485		regs_size = TAHITI_IO_MC_REGS_SIZE;
1486		break;
1487	case CHIP_PITCAIRN:
1488		io_mc_regs = (u32 *)&pitcairn_io_mc_regs;
1489		regs_size = TAHITI_IO_MC_REGS_SIZE;
1490		break;
1491	case CHIP_VERDE:
1492	default:
1493		io_mc_regs = (u32 *)&verde_io_mc_regs;
1494		regs_size = TAHITI_IO_MC_REGS_SIZE;
1495		break;
1496	case CHIP_OLAND:
1497		io_mc_regs = (u32 *)&oland_io_mc_regs;
1498		regs_size = TAHITI_IO_MC_REGS_SIZE;
1499		break;
1500	case CHIP_HAINAN:
1501		io_mc_regs = (u32 *)&hainan_io_mc_regs;
1502		regs_size = TAHITI_IO_MC_REGS_SIZE;
1503		break;
1504	}
1505
1506	running = RREG32(MC_SEQ_SUP_CNTL) & RUN_MASK;
1507
1508	if (running == 0) {
1509		if (running) {
1510			blackout = RREG32(MC_SHARED_BLACKOUT_CNTL);
1511			WREG32(MC_SHARED_BLACKOUT_CNTL, blackout | 1);
1512		}
1513
1514		/* reset the engine and set to writable */
1515		WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
1516		WREG32(MC_SEQ_SUP_CNTL, 0x00000010);
1517
1518		/* load mc io regs */
1519		for (i = 0; i < regs_size; i++) {
1520			WREG32(MC_SEQ_IO_DEBUG_INDEX, io_mc_regs[(i << 1)]);
1521			WREG32(MC_SEQ_IO_DEBUG_DATA, io_mc_regs[(i << 1) + 1]);
1522		}
1523		/* load the MC ucode */
1524		fw_data = (const __be32 *)rdev->mc_fw->data;
1525		for (i = 0; i < ucode_size; i++)
1526			WREG32(MC_SEQ_SUP_PGM, be32_to_cpup(fw_data++));
1527
1528		/* put the engine back into the active state */
1529		WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
1530		WREG32(MC_SEQ_SUP_CNTL, 0x00000004);
1531		WREG32(MC_SEQ_SUP_CNTL, 0x00000001);
1532
1533		/* wait for training to complete */
1534		for (i = 0; i < rdev->usec_timeout; i++) {
1535			if (RREG32(MC_SEQ_TRAIN_WAKEUP_CNTL) & TRAIN_DONE_D0)
1536				break;
1537			udelay(1);
1538		}
1539		for (i = 0; i < rdev->usec_timeout; i++) {
1540			if (RREG32(MC_SEQ_TRAIN_WAKEUP_CNTL) & TRAIN_DONE_D1)
1541				break;
1542			udelay(1);
1543		}
1544
1545		if (running)
1546			WREG32(MC_SHARED_BLACKOUT_CNTL, blackout);
1547	}
1548
1549	return 0;
1550}
1551
1552static int si_init_microcode(struct radeon_device *rdev)
1553{
1554	const char *chip_name;
1555	const char *rlc_chip_name;
1556	size_t pfp_req_size, me_req_size, ce_req_size, rlc_req_size, mc_req_size;
1557	size_t smc_req_size, mc2_req_size;
1558	char fw_name[30];
1559	int err;
1560
1561	DRM_DEBUG("\n");
1562
1563	switch (rdev->family) {
1564	case CHIP_TAHITI:
1565		chip_name = "TAHITI";
1566		rlc_chip_name = "TAHITI";
1567		pfp_req_size = SI_PFP_UCODE_SIZE * 4;
1568		me_req_size = SI_PM4_UCODE_SIZE * 4;
1569		ce_req_size = SI_CE_UCODE_SIZE * 4;
1570		rlc_req_size = SI_RLC_UCODE_SIZE * 4;
1571		mc_req_size = SI_MC_UCODE_SIZE * 4;
1572		mc2_req_size = TAHITI_MC_UCODE_SIZE * 4;
1573		smc_req_size = ALIGN(TAHITI_SMC_UCODE_SIZE, 4);
1574		break;
1575	case CHIP_PITCAIRN:
1576		chip_name = "PITCAIRN";
1577		rlc_chip_name = "PITCAIRN";
1578		pfp_req_size = SI_PFP_UCODE_SIZE * 4;
1579		me_req_size = SI_PM4_UCODE_SIZE * 4;
1580		ce_req_size = SI_CE_UCODE_SIZE * 4;
1581		rlc_req_size = SI_RLC_UCODE_SIZE * 4;
1582		mc_req_size = SI_MC_UCODE_SIZE * 4;
1583		mc2_req_size = PITCAIRN_MC_UCODE_SIZE * 4;
1584		smc_req_size = ALIGN(PITCAIRN_SMC_UCODE_SIZE, 4);
1585		break;
1586	case CHIP_VERDE:
1587		chip_name = "VERDE";
1588		rlc_chip_name = "VERDE";
1589		pfp_req_size = SI_PFP_UCODE_SIZE * 4;
1590		me_req_size = SI_PM4_UCODE_SIZE * 4;
1591		ce_req_size = SI_CE_UCODE_SIZE * 4;
1592		rlc_req_size = SI_RLC_UCODE_SIZE * 4;
1593		mc_req_size = SI_MC_UCODE_SIZE * 4;
1594		mc2_req_size = VERDE_MC_UCODE_SIZE * 4;
1595		smc_req_size = ALIGN(VERDE_SMC_UCODE_SIZE, 4);
1596		break;
1597	case CHIP_OLAND:
1598		chip_name = "OLAND";
1599		rlc_chip_name = "OLAND";
1600		pfp_req_size = SI_PFP_UCODE_SIZE * 4;
1601		me_req_size = SI_PM4_UCODE_SIZE * 4;
1602		ce_req_size = SI_CE_UCODE_SIZE * 4;
1603		rlc_req_size = SI_RLC_UCODE_SIZE * 4;
1604		mc_req_size = mc2_req_size = OLAND_MC_UCODE_SIZE * 4;
1605		smc_req_size = ALIGN(OLAND_SMC_UCODE_SIZE, 4);
1606		break;
1607	case CHIP_HAINAN:
1608		chip_name = "HAINAN";
1609		rlc_chip_name = "HAINAN";
1610		pfp_req_size = SI_PFP_UCODE_SIZE * 4;
1611		me_req_size = SI_PM4_UCODE_SIZE * 4;
1612		ce_req_size = SI_CE_UCODE_SIZE * 4;
1613		rlc_req_size = SI_RLC_UCODE_SIZE * 4;
1614		mc_req_size = mc2_req_size = OLAND_MC_UCODE_SIZE * 4;
1615		smc_req_size = ALIGN(HAINAN_SMC_UCODE_SIZE, 4);
1616		break;
1617	default: BUG();
1618	}
1619
1620	DRM_INFO("Loading %s Microcode\n", chip_name);
1621
1622	snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
1623	err = request_firmware(&rdev->pfp_fw, fw_name, rdev->dev);
1624	if (err)
1625		goto out;
1626	if (rdev->pfp_fw->size != pfp_req_size) {
1627		printk(KERN_ERR
1628		       "si_cp: Bogus length %zu in firmware \"%s\"\n",
1629		       rdev->pfp_fw->size, fw_name);
1630		err = -EINVAL;
1631		goto out;
1632	}
1633
1634	snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
1635	err = request_firmware(&rdev->me_fw, fw_name, rdev->dev);
1636	if (err)
1637		goto out;
1638	if (rdev->me_fw->size != me_req_size) {
1639		printk(KERN_ERR
1640		       "si_cp: Bogus length %zu in firmware \"%s\"\n",
1641		       rdev->me_fw->size, fw_name);
1642		err = -EINVAL;
1643	}
1644
1645	snprintf(fw_name, sizeof(fw_name), "radeon/%s_ce.bin", chip_name);
1646	err = request_firmware(&rdev->ce_fw, fw_name, rdev->dev);
1647	if (err)
1648		goto out;
1649	if (rdev->ce_fw->size != ce_req_size) {
1650		printk(KERN_ERR
1651		       "si_cp: Bogus length %zu in firmware \"%s\"\n",
1652		       rdev->ce_fw->size, fw_name);
1653		err = -EINVAL;
1654	}
1655
1656	snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name);
1657	err = request_firmware(&rdev->rlc_fw, fw_name, rdev->dev);
1658	if (err)
1659		goto out;
1660	if (rdev->rlc_fw->size != rlc_req_size) {
1661		printk(KERN_ERR
1662		       "si_rlc: Bogus length %zu in firmware \"%s\"\n",
1663		       rdev->rlc_fw->size, fw_name);
1664		err = -EINVAL;
1665	}
1666
1667	snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc2.bin", chip_name);
1668	err = request_firmware(&rdev->mc_fw, fw_name, rdev->dev);
1669	if (err) {
1670		snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
1671		err = request_firmware(&rdev->mc_fw, fw_name, rdev->dev);
1672		if (err)
1673			goto out;
1674	}
1675	if ((rdev->mc_fw->size != mc_req_size) &&
1676	    (rdev->mc_fw->size != mc2_req_size)) {
1677		printk(KERN_ERR
1678		       "si_mc: Bogus length %zu in firmware \"%s\"\n",
1679		       rdev->mc_fw->size, fw_name);
1680		err = -EINVAL;
1681	}
1682	DRM_INFO("%s: %zu bytes\n", fw_name, rdev->mc_fw->size);
1683
1684	snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", chip_name);
1685	err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev);
1686	if (err) {
1687		printk(KERN_ERR
1688		       "smc: error loading firmware \"%s\"\n",
1689		       fw_name);
1690		release_firmware(rdev->smc_fw);
1691		rdev->smc_fw = NULL;
1692		err = 0;
1693	} else if (rdev->smc_fw->size != smc_req_size) {
1694		printk(KERN_ERR
1695		       "si_smc: Bogus length %zu in firmware \"%s\"\n",
1696		       rdev->smc_fw->size, fw_name);
1697		err = -EINVAL;
1698	}
1699
1700out:
1701	if (err) {
1702		if (err != -EINVAL)
1703			printk(KERN_ERR
1704			       "si_cp: Failed to load firmware \"%s\"\n",
1705			       fw_name);
1706		release_firmware(rdev->pfp_fw);
1707		rdev->pfp_fw = NULL;
1708		release_firmware(rdev->me_fw);
1709		rdev->me_fw = NULL;
1710		release_firmware(rdev->ce_fw);
1711		rdev->ce_fw = NULL;
1712		release_firmware(rdev->rlc_fw);
1713		rdev->rlc_fw = NULL;
1714		release_firmware(rdev->mc_fw);
1715		rdev->mc_fw = NULL;
1716		release_firmware(rdev->smc_fw);
1717		rdev->smc_fw = NULL;
1718	}
1719	return err;
1720}
1721
1722/* watermark setup */
1723static u32 dce6_line_buffer_adjust(struct radeon_device *rdev,
1724				   struct radeon_crtc *radeon_crtc,
1725				   struct drm_display_mode *mode,
1726				   struct drm_display_mode *other_mode)
1727{
1728	u32 tmp, buffer_alloc, i;
1729	u32 pipe_offset = radeon_crtc->crtc_id * 0x20;
1730	/*
1731	 * Line Buffer Setup
1732	 * There are 3 line buffers, each one shared by 2 display controllers.
1733	 * DC_LB_MEMORY_SPLIT controls how that line buffer is shared between
1734	 * the display controllers.  The paritioning is done via one of four
1735	 * preset allocations specified in bits 21:20:
1736	 *  0 - half lb
1737	 *  2 - whole lb, other crtc must be disabled
1738	 */
1739	/* this can get tricky if we have two large displays on a paired group
1740	 * of crtcs.  Ideally for multiple large displays we'd assign them to
1741	 * non-linked crtcs for maximum line buffer allocation.
1742	 */
1743	if (radeon_crtc->base.enabled && mode) {
1744		if (other_mode) {
1745			tmp = 0; /* 1/2 */
1746			buffer_alloc = 1;
1747		} else {
1748			tmp = 2; /* whole */
1749			buffer_alloc = 2;
1750		}
1751	} else {
1752		tmp = 0;
1753		buffer_alloc = 0;
1754	}
1755
1756	WREG32(DC_LB_MEMORY_SPLIT + radeon_crtc->crtc_offset,
1757	       DC_LB_MEMORY_CONFIG(tmp));
1758
1759	WREG32(PIPE0_DMIF_BUFFER_CONTROL + pipe_offset,
1760	       DMIF_BUFFERS_ALLOCATED(buffer_alloc));
1761	for (i = 0; i < rdev->usec_timeout; i++) {
1762		if (RREG32(PIPE0_DMIF_BUFFER_CONTROL + pipe_offset) &
1763		    DMIF_BUFFERS_ALLOCATED_COMPLETED)
1764			break;
1765		udelay(1);
1766	}
1767
1768	if (radeon_crtc->base.enabled && mode) {
1769		switch (tmp) {
1770		case 0:
1771		default:
1772			return 4096 * 2;
1773		case 2:
1774			return 8192 * 2;
1775		}
1776	}
1777
1778	/* controller not enabled, so no lb used */
1779	return 0;
1780}
1781
1782static u32 si_get_number_of_dram_channels(struct radeon_device *rdev)
1783{
1784	u32 tmp = RREG32(MC_SHARED_CHMAP);
1785
1786	switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
1787	case 0:
1788	default:
1789		return 1;
1790	case 1:
1791		return 2;
1792	case 2:
1793		return 4;
1794	case 3:
1795		return 8;
1796	case 4:
1797		return 3;
1798	case 5:
1799		return 6;
1800	case 6:
1801		return 10;
1802	case 7:
1803		return 12;
1804	case 8:
1805		return 16;
1806	}
1807}
1808
1809struct dce6_wm_params {
1810	u32 dram_channels; /* number of dram channels */
1811	u32 yclk;          /* bandwidth per dram data pin in kHz */
1812	u32 sclk;          /* engine clock in kHz */
1813	u32 disp_clk;      /* display clock in kHz */
1814	u32 src_width;     /* viewport width */
1815	u32 active_time;   /* active display time in ns */
1816	u32 blank_time;    /* blank time in ns */
1817	bool interlaced;    /* mode is interlaced */
1818	fixed20_12 vsc;    /* vertical scale ratio */
1819	u32 num_heads;     /* number of active crtcs */
1820	u32 bytes_per_pixel; /* bytes per pixel display + overlay */
1821	u32 lb_size;       /* line buffer allocated to pipe */
1822	u32 vtaps;         /* vertical scaler taps */
1823};
1824
1825static u32 dce6_dram_bandwidth(struct dce6_wm_params *wm)
1826{
1827	/* Calculate raw DRAM Bandwidth */
1828	fixed20_12 dram_efficiency; /* 0.7 */
1829	fixed20_12 yclk, dram_channels, bandwidth;
1830	fixed20_12 a;
1831
1832	a.full = dfixed_const(1000);
1833	yclk.full = dfixed_const(wm->yclk);
1834	yclk.full = dfixed_div(yclk, a);
1835	dram_channels.full = dfixed_const(wm->dram_channels * 4);
1836	a.full = dfixed_const(10);
1837	dram_efficiency.full = dfixed_const(7);
1838	dram_efficiency.full = dfixed_div(dram_efficiency, a);
1839	bandwidth.full = dfixed_mul(dram_channels, yclk);
1840	bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
1841
1842	return dfixed_trunc(bandwidth);
1843}
1844
1845static u32 dce6_dram_bandwidth_for_display(struct dce6_wm_params *wm)
1846{
1847	/* Calculate DRAM Bandwidth and the part allocated to display. */
1848	fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
1849	fixed20_12 yclk, dram_channels, bandwidth;
1850	fixed20_12 a;
1851
1852	a.full = dfixed_const(1000);
1853	yclk.full = dfixed_const(wm->yclk);
1854	yclk.full = dfixed_div(yclk, a);
1855	dram_channels.full = dfixed_const(wm->dram_channels * 4);
1856	a.full = dfixed_const(10);
1857	disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
1858	disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
1859	bandwidth.full = dfixed_mul(dram_channels, yclk);
1860	bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
1861
1862	return dfixed_trunc(bandwidth);
1863}
1864
1865static u32 dce6_data_return_bandwidth(struct dce6_wm_params *wm)
1866{
1867	/* Calculate the display Data return Bandwidth */
1868	fixed20_12 return_efficiency; /* 0.8 */
1869	fixed20_12 sclk, bandwidth;
1870	fixed20_12 a;
1871
1872	a.full = dfixed_const(1000);
1873	sclk.full = dfixed_const(wm->sclk);
1874	sclk.full = dfixed_div(sclk, a);
1875	a.full = dfixed_const(10);
1876	return_efficiency.full = dfixed_const(8);
1877	return_efficiency.full = dfixed_div(return_efficiency, a);
1878	a.full = dfixed_const(32);
1879	bandwidth.full = dfixed_mul(a, sclk);
1880	bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
1881
1882	return dfixed_trunc(bandwidth);
1883}
1884
1885static u32 dce6_get_dmif_bytes_per_request(struct dce6_wm_params *wm)
1886{
1887	return 32;
1888}
1889
1890static u32 dce6_dmif_request_bandwidth(struct dce6_wm_params *wm)
1891{
1892	/* Calculate the DMIF Request Bandwidth */
1893	fixed20_12 disp_clk_request_efficiency; /* 0.8 */
1894	fixed20_12 disp_clk, sclk, bandwidth;
1895	fixed20_12 a, b1, b2;
1896	u32 min_bandwidth;
1897
1898	a.full = dfixed_const(1000);
1899	disp_clk.full = dfixed_const(wm->disp_clk);
1900	disp_clk.full = dfixed_div(disp_clk, a);
1901	a.full = dfixed_const(dce6_get_dmif_bytes_per_request(wm) / 2);
1902	b1.full = dfixed_mul(a, disp_clk);
1903
1904	a.full = dfixed_const(1000);
1905	sclk.full = dfixed_const(wm->sclk);
1906	sclk.full = dfixed_div(sclk, a);
1907	a.full = dfixed_const(dce6_get_dmif_bytes_per_request(wm));
1908	b2.full = dfixed_mul(a, sclk);
1909
1910	a.full = dfixed_const(10);
1911	disp_clk_request_efficiency.full = dfixed_const(8);
1912	disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
1913
1914	min_bandwidth = min(dfixed_trunc(b1), dfixed_trunc(b2));
1915
1916	a.full = dfixed_const(min_bandwidth);
1917	bandwidth.full = dfixed_mul(a, disp_clk_request_efficiency);
1918
1919	return dfixed_trunc(bandwidth);
1920}
1921
1922static u32 dce6_available_bandwidth(struct dce6_wm_params *wm)
1923{
1924	/* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
1925	u32 dram_bandwidth = dce6_dram_bandwidth(wm);
1926	u32 data_return_bandwidth = dce6_data_return_bandwidth(wm);
1927	u32 dmif_req_bandwidth = dce6_dmif_request_bandwidth(wm);
1928
1929	return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
1930}
1931
1932static u32 dce6_average_bandwidth(struct dce6_wm_params *wm)
1933{
1934	/* Calculate the display mode Average Bandwidth
1935	 * DisplayMode should contain the source and destination dimensions,
1936	 * timing, etc.
1937	 */
1938	fixed20_12 bpp;
1939	fixed20_12 line_time;
1940	fixed20_12 src_width;
1941	fixed20_12 bandwidth;
1942	fixed20_12 a;
1943
1944	a.full = dfixed_const(1000);
1945	line_time.full = dfixed_const(wm->active_time + wm->blank_time);
1946	line_time.full = dfixed_div(line_time, a);
1947	bpp.full = dfixed_const(wm->bytes_per_pixel);
1948	src_width.full = dfixed_const(wm->src_width);
1949	bandwidth.full = dfixed_mul(src_width, bpp);
1950	bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
1951	bandwidth.full = dfixed_div(bandwidth, line_time);
1952
1953	return dfixed_trunc(bandwidth);
1954}
1955
1956static u32 dce6_latency_watermark(struct dce6_wm_params *wm)
1957{
1958	/* First calcualte the latency in ns */
1959	u32 mc_latency = 2000; /* 2000 ns. */
1960	u32 available_bandwidth = dce6_available_bandwidth(wm);
1961	u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
1962	u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
1963	u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
1964	u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
1965		(wm->num_heads * cursor_line_pair_return_time);
1966	u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
1967	u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
1968	u32 tmp, dmif_size = 12288;
1969	fixed20_12 a, b, c;
1970
1971	if (wm->num_heads == 0)
1972		return 0;
1973
1974	a.full = dfixed_const(2);
1975	b.full = dfixed_const(1);
1976	if ((wm->vsc.full > a.full) ||
1977	    ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
1978	    (wm->vtaps >= 5) ||
1979	    ((wm->vsc.full >= a.full) && wm->interlaced))
1980		max_src_lines_per_dst_line = 4;
1981	else
1982		max_src_lines_per_dst_line = 2;
1983
1984	a.full = dfixed_const(available_bandwidth);
1985	b.full = dfixed_const(wm->num_heads);
1986	a.full = dfixed_div(a, b);
1987
1988	b.full = dfixed_const(mc_latency + 512);
1989	c.full = dfixed_const(wm->disp_clk);
1990	b.full = dfixed_div(b, c);
1991
1992	c.full = dfixed_const(dmif_size);
1993	b.full = dfixed_div(c, b);
1994
1995	tmp = min(dfixed_trunc(a), dfixed_trunc(b));
1996
1997	b.full = dfixed_const(1000);
1998	c.full = dfixed_const(wm->disp_clk);
1999	b.full = dfixed_div(c, b);
2000	c.full = dfixed_const(wm->bytes_per_pixel);
2001	b.full = dfixed_mul(b, c);
2002
2003	lb_fill_bw = min(tmp, dfixed_trunc(b));
2004
2005	a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
2006	b.full = dfixed_const(1000);
2007	c.full = dfixed_const(lb_fill_bw);
2008	b.full = dfixed_div(c, b);
2009	a.full = dfixed_div(a, b);
2010	line_fill_time = dfixed_trunc(a);
2011
2012	if (line_fill_time < wm->active_time)
2013		return latency;
2014	else
2015		return latency + (line_fill_time - wm->active_time);
2016
2017}
2018
2019static bool dce6_average_bandwidth_vs_dram_bandwidth_for_display(struct dce6_wm_params *wm)
2020{
2021	if (dce6_average_bandwidth(wm) <=
2022	    (dce6_dram_bandwidth_for_display(wm) / wm->num_heads))
2023		return true;
2024	else
2025		return false;
2026};
2027
2028static bool dce6_average_bandwidth_vs_available_bandwidth(struct dce6_wm_params *wm)
2029{
2030	if (dce6_average_bandwidth(wm) <=
2031	    (dce6_available_bandwidth(wm) / wm->num_heads))
2032		return true;
2033	else
2034		return false;
2035};
2036
2037static bool dce6_check_latency_hiding(struct dce6_wm_params *wm)
2038{
2039	u32 lb_partitions = wm->lb_size / wm->src_width;
2040	u32 line_time = wm->active_time + wm->blank_time;
2041	u32 latency_tolerant_lines;
2042	u32 latency_hiding;
2043	fixed20_12 a;
2044
2045	a.full = dfixed_const(1);
2046	if (wm->vsc.full > a.full)
2047		latency_tolerant_lines = 1;
2048	else {
2049		if (lb_partitions <= (wm->vtaps + 1))
2050			latency_tolerant_lines = 1;
2051		else
2052			latency_tolerant_lines = 2;
2053	}
2054
2055	latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
2056
2057	if (dce6_latency_watermark(wm) <= latency_hiding)
2058		return true;
2059	else
2060		return false;
2061}
2062
2063static void dce6_program_watermarks(struct radeon_device *rdev,
2064					 struct radeon_crtc *radeon_crtc,
2065					 u32 lb_size, u32 num_heads)
2066{
2067	struct drm_display_mode *mode = &radeon_crtc->base.mode;
2068	struct dce6_wm_params wm_low, wm_high;
2069	u32 dram_channels;
2070	u32 pixel_period;
2071	u32 line_time = 0;
2072	u32 latency_watermark_a = 0, latency_watermark_b = 0;
2073	u32 priority_a_mark = 0, priority_b_mark = 0;
2074	u32 priority_a_cnt = PRIORITY_OFF;
2075	u32 priority_b_cnt = PRIORITY_OFF;
2076	u32 tmp, arb_control3;
2077	fixed20_12 a, b, c;
2078
2079	if (radeon_crtc->base.enabled && num_heads && mode) {
2080		pixel_period = 1000000 / (u32)mode->clock;
2081		line_time = min((u32)mode->crtc_htotal * pixel_period, (u32)65535);
2082		priority_a_cnt = 0;
2083		priority_b_cnt = 0;
2084
2085		if (rdev->family == CHIP_ARUBA)
2086			dram_channels = evergreen_get_number_of_dram_channels(rdev);
2087		else
2088			dram_channels = si_get_number_of_dram_channels(rdev);
2089
2090		/* watermark for high clocks */
2091		if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled) {
2092			wm_high.yclk =
2093				radeon_dpm_get_mclk(rdev, false) * 10;
2094			wm_high.sclk =
2095				radeon_dpm_get_sclk(rdev, false) * 10;
2096		} else {
2097			wm_high.yclk = rdev->pm.current_mclk * 10;
2098			wm_high.sclk = rdev->pm.current_sclk * 10;
2099		}
2100
2101		wm_high.disp_clk = mode->clock;
2102		wm_high.src_width = mode->crtc_hdisplay;
2103		wm_high.active_time = mode->crtc_hdisplay * pixel_period;
2104		wm_high.blank_time = line_time - wm_high.active_time;
2105		wm_high.interlaced = false;
2106		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2107			wm_high.interlaced = true;
2108		wm_high.vsc = radeon_crtc->vsc;
2109		wm_high.vtaps = 1;
2110		if (radeon_crtc->rmx_type != RMX_OFF)
2111			wm_high.vtaps = 2;
2112		wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
2113		wm_high.lb_size = lb_size;
2114		wm_high.dram_channels = dram_channels;
2115		wm_high.num_heads = num_heads;
2116
2117		/* watermark for low clocks */
2118		if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled) {
2119			wm_low.yclk =
2120				radeon_dpm_get_mclk(rdev, true) * 10;
2121			wm_low.sclk =
2122				radeon_dpm_get_sclk(rdev, true) * 10;
2123		} else {
2124			wm_low.yclk = rdev->pm.current_mclk * 10;
2125			wm_low.sclk = rdev->pm.current_sclk * 10;
2126		}
2127
2128		wm_low.disp_clk = mode->clock;
2129		wm_low.src_width = mode->crtc_hdisplay;
2130		wm_low.active_time = mode->crtc_hdisplay * pixel_period;
2131		wm_low.blank_time = line_time - wm_low.active_time;
2132		wm_low.interlaced = false;
2133		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2134			wm_low.interlaced = true;
2135		wm_low.vsc = radeon_crtc->vsc;
2136		wm_low.vtaps = 1;
2137		if (radeon_crtc->rmx_type != RMX_OFF)
2138			wm_low.vtaps = 2;
2139		wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
2140		wm_low.lb_size = lb_size;
2141		wm_low.dram_channels = dram_channels;
2142		wm_low.num_heads = num_heads;
2143
2144		/* set for high clocks */
2145		latency_watermark_a = min(dce6_latency_watermark(&wm_high), (u32)65535);
2146		/* set for low clocks */
2147		latency_watermark_b = min(dce6_latency_watermark(&wm_low), (u32)65535);
2148
2149		/* possibly force display priority to high */
2150		/* should really do this at mode validation time... */
2151		if (!dce6_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
2152		    !dce6_average_bandwidth_vs_available_bandwidth(&wm_high) ||
2153		    !dce6_check_latency_hiding(&wm_high) ||
2154		    (rdev->disp_priority == 2)) {
2155			DRM_DEBUG_KMS("force priority to high\n");
2156			priority_a_cnt |= PRIORITY_ALWAYS_ON;
2157			priority_b_cnt |= PRIORITY_ALWAYS_ON;
2158		}
2159		if (!dce6_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
2160		    !dce6_average_bandwidth_vs_available_bandwidth(&wm_low) ||
2161		    !dce6_check_latency_hiding(&wm_low) ||
2162		    (rdev->disp_priority == 2)) {
2163			DRM_DEBUG_KMS("force priority to high\n");
2164			priority_a_cnt |= PRIORITY_ALWAYS_ON;
2165			priority_b_cnt |= PRIORITY_ALWAYS_ON;
2166		}
2167
2168		a.full = dfixed_const(1000);
2169		b.full = dfixed_const(mode->clock);
2170		b.full = dfixed_div(b, a);
2171		c.full = dfixed_const(latency_watermark_a);
2172		c.full = dfixed_mul(c, b);
2173		c.full = dfixed_mul(c, radeon_crtc->hsc);
2174		c.full = dfixed_div(c, a);
2175		a.full = dfixed_const(16);
2176		c.full = dfixed_div(c, a);
2177		priority_a_mark = dfixed_trunc(c);
2178		priority_a_cnt |= priority_a_mark & PRIORITY_MARK_MASK;
2179
2180		a.full = dfixed_const(1000);
2181		b.full = dfixed_const(mode->clock);
2182		b.full = dfixed_div(b, a);
2183		c.full = dfixed_const(latency_watermark_b);
2184		c.full = dfixed_mul(c, b);
2185		c.full = dfixed_mul(c, radeon_crtc->hsc);
2186		c.full = dfixed_div(c, a);
2187		a.full = dfixed_const(16);
2188		c.full = dfixed_div(c, a);
2189		priority_b_mark = dfixed_trunc(c);
2190		priority_b_cnt |= priority_b_mark & PRIORITY_MARK_MASK;
2191	}
2192
2193	/* select wm A */
2194	arb_control3 = RREG32(DPG_PIPE_ARBITRATION_CONTROL3 + radeon_crtc->crtc_offset);
2195	tmp = arb_control3;
2196	tmp &= ~LATENCY_WATERMARK_MASK(3);
2197	tmp |= LATENCY_WATERMARK_MASK(1);
2198	WREG32(DPG_PIPE_ARBITRATION_CONTROL3 + radeon_crtc->crtc_offset, tmp);
2199	WREG32(DPG_PIPE_LATENCY_CONTROL + radeon_crtc->crtc_offset,
2200	       (LATENCY_LOW_WATERMARK(latency_watermark_a) |
2201		LATENCY_HIGH_WATERMARK(line_time)));
2202	/* select wm B */
2203	tmp = RREG32(DPG_PIPE_ARBITRATION_CONTROL3 + radeon_crtc->crtc_offset);
2204	tmp &= ~LATENCY_WATERMARK_MASK(3);
2205	tmp |= LATENCY_WATERMARK_MASK(2);
2206	WREG32(DPG_PIPE_ARBITRATION_CONTROL3 + radeon_crtc->crtc_offset, tmp);
2207	WREG32(DPG_PIPE_LATENCY_CONTROL + radeon_crtc->crtc_offset,
2208	       (LATENCY_LOW_WATERMARK(latency_watermark_b) |
2209		LATENCY_HIGH_WATERMARK(line_time)));
2210	/* restore original selection */
2211	WREG32(DPG_PIPE_ARBITRATION_CONTROL3 + radeon_crtc->crtc_offset, arb_control3);
2212
2213	/* write the priority marks */
2214	WREG32(PRIORITY_A_CNT + radeon_crtc->crtc_offset, priority_a_cnt);
2215	WREG32(PRIORITY_B_CNT + radeon_crtc->crtc_offset, priority_b_cnt);
2216
2217	/* save values for DPM */
2218	radeon_crtc->line_time = line_time;
2219	radeon_crtc->wm_high = latency_watermark_a;
2220	radeon_crtc->wm_low = latency_watermark_b;
2221}
2222
2223void dce6_bandwidth_update(struct radeon_device *rdev)
2224{
2225	struct drm_display_mode *mode0 = NULL;
2226	struct drm_display_mode *mode1 = NULL;
2227	u32 num_heads = 0, lb_size;
2228	int i;
2229
2230	radeon_update_display_priority(rdev);
2231
2232	for (i = 0; i < rdev->num_crtc; i++) {
2233		if (rdev->mode_info.crtcs[i]->base.enabled)
2234			num_heads++;
2235	}
2236	for (i = 0; i < rdev->num_crtc; i += 2) {
2237		mode0 = &rdev->mode_info.crtcs[i]->base.mode;
2238		mode1 = &rdev->mode_info.crtcs[i+1]->base.mode;
2239		lb_size = dce6_line_buffer_adjust(rdev, rdev->mode_info.crtcs[i], mode0, mode1);
2240		dce6_program_watermarks(rdev, rdev->mode_info.crtcs[i], lb_size, num_heads);
2241		lb_size = dce6_line_buffer_adjust(rdev, rdev->mode_info.crtcs[i+1], mode1, mode0);
2242		dce6_program_watermarks(rdev, rdev->mode_info.crtcs[i+1], lb_size, num_heads);
2243	}
2244}
2245
2246/*
2247 * Core functions
2248 */
2249static void si_tiling_mode_table_init(struct radeon_device *rdev)
2250{
2251	const u32 num_tile_mode_states = 32;
2252	u32 reg_offset, gb_tile_moden, split_equal_to_row_size;
2253
2254	switch (rdev->config.si.mem_row_size_in_kb) {
2255	case 1:
2256		split_equal_to_row_size = ADDR_SURF_TILE_SPLIT_1KB;
2257		break;
2258	case 2:
2259	default:
2260		split_equal_to_row_size = ADDR_SURF_TILE_SPLIT_2KB;
2261		break;
2262	case 4:
2263		split_equal_to_row_size = ADDR_SURF_TILE_SPLIT_4KB;
2264		break;
2265	}
2266
2267	if ((rdev->family == CHIP_TAHITI) ||
2268	    (rdev->family == CHIP_PITCAIRN)) {
2269		for (reg_offset = 0; reg_offset < num_tile_mode_states; reg_offset++) {
2270			switch (reg_offset) {
2271			case 0:  /* non-AA compressed depth or any compressed stencil */
2272				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2273						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2274						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2275						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2276						 NUM_BANKS(ADDR_SURF_16_BANK) |
2277						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2278						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2279						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2280				break;
2281			case 1:  /* 2xAA/4xAA compressed depth only */
2282				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2283						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2284						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2285						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_128B) |
2286						 NUM_BANKS(ADDR_SURF_16_BANK) |
2287						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2288						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2289						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2290				break;
2291			case 2:  /* 8xAA compressed depth only */
2292				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2293						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2294						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2295						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2296						 NUM_BANKS(ADDR_SURF_16_BANK) |
2297						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2298						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2299						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2300				break;
2301			case 3:  /* 2xAA/4xAA compressed depth with stencil (for depth buffer) */
2302				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2303						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2304						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2305						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_128B) |
2306						 NUM_BANKS(ADDR_SURF_16_BANK) |
2307						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2308						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2309						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2310				break;
2311			case 4:  /* Maps w/ a dimension less than the 2D macro-tile dimensions (for mipmapped depth textures) */
2312				gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
2313						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2314						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2315						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2316						 NUM_BANKS(ADDR_SURF_16_BANK) |
2317						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2318						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2319						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2320				break;
2321			case 5:  /* Uncompressed 16bpp depth - and stencil buffer allocated with it */
2322				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2323						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2324						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2325						 TILE_SPLIT(split_equal_to_row_size) |
2326						 NUM_BANKS(ADDR_SURF_16_BANK) |
2327						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2328						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2329						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2330				break;
2331			case 6:  /* Uncompressed 32bpp depth - and stencil buffer allocated with it */
2332				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2333						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2334						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2335						 TILE_SPLIT(split_equal_to_row_size) |
2336						 NUM_BANKS(ADDR_SURF_16_BANK) |
2337						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2338						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2339						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
2340				break;
2341			case 7:  /* Uncompressed 8bpp stencil without depth (drivers typically do not use) */
2342				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2343						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2344						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2345						 TILE_SPLIT(split_equal_to_row_size) |
2346						 NUM_BANKS(ADDR_SURF_16_BANK) |
2347						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2348						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2349						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2350				break;
2351			case 8:  /* 1D and 1D Array Surfaces */
2352				gb_tile_moden = (ARRAY_MODE(ARRAY_LINEAR_ALIGNED) |
2353						 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2354						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2355						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2356						 NUM_BANKS(ADDR_SURF_16_BANK) |
2357						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2358						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2359						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2360				break;
2361			case 9:  /* Displayable maps. */
2362				gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
2363						 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2364						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2365						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2366						 NUM_BANKS(ADDR_SURF_16_BANK) |
2367						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2368						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2369						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2370				break;
2371			case 10:  /* Display 8bpp. */
2372				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2373						 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2374						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2375						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2376						 NUM_BANKS(ADDR_SURF_16_BANK) |
2377						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2378						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2379						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2380				break;
2381			case 11:  /* Display 16bpp. */
2382				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2383						 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2384						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2385						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2386						 NUM_BANKS(ADDR_SURF_16_BANK) |
2387						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2388						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2389						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2390				break;
2391			case 12:  /* Display 32bpp. */
2392				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2393						 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2394						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2395						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) |
2396						 NUM_BANKS(ADDR_SURF_16_BANK) |
2397						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2398						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2399						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
2400				break;
2401			case 13:  /* Thin. */
2402				gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
2403						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2404						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2405						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2406						 NUM_BANKS(ADDR_SURF_16_BANK) |
2407						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2408						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2409						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2410				break;
2411			case 14:  /* Thin 8 bpp. */
2412				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2413						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2414						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2415						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2416						 NUM_BANKS(ADDR_SURF_16_BANK) |
2417						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2418						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2419						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
2420				break;
2421			case 15:  /* Thin 16 bpp. */
2422				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2423						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2424						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2425						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2426						 NUM_BANKS(ADDR_SURF_16_BANK) |
2427						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2428						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2429						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
2430				break;
2431			case 16:  /* Thin 32 bpp. */
2432				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2433						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2434						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2435						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) |
2436						 NUM_BANKS(ADDR_SURF_16_BANK) |
2437						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2438						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2439						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
2440				break;
2441			case 17:  /* Thin 64 bpp. */
2442				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2443						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2444						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2445						 TILE_SPLIT(split_equal_to_row_size) |
2446						 NUM_BANKS(ADDR_SURF_16_BANK) |
2447						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2448						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2449						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
2450				break;
2451			case 21:  /* 8 bpp PRT. */
2452				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2453						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2454						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2455						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2456						 NUM_BANKS(ADDR_SURF_16_BANK) |
2457						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_2) |
2458						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2459						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2460				break;
2461			case 22:  /* 16 bpp PRT */
2462				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2463						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2464						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2465						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2466						 NUM_BANKS(ADDR_SURF_16_BANK) |
2467						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2468						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2469						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
2470				break;
2471			case 23:  /* 32 bpp PRT */
2472				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2473						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2474						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2475						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2476						 NUM_BANKS(ADDR_SURF_16_BANK) |
2477						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2478						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2479						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2480				break;
2481			case 24:  /* 64 bpp PRT */
2482				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2483						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2484						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2485						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) |
2486						 NUM_BANKS(ADDR_SURF_16_BANK) |
2487						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2488						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2489						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2490				break;
2491			case 25:  /* 128 bpp PRT */
2492				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2493						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2494						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2495						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_1KB) |
2496						 NUM_BANKS(ADDR_SURF_8_BANK) |
2497						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2498						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2499						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
2500				break;
2501			default:
2502				gb_tile_moden = 0;
2503				break;
2504			}
2505			rdev->config.si.tile_mode_array[reg_offset] = gb_tile_moden;
2506			WREG32(GB_TILE_MODE0 + (reg_offset * 4), gb_tile_moden);
2507		}
2508	} else if ((rdev->family == CHIP_VERDE) ||
2509		   (rdev->family == CHIP_OLAND) ||
2510		   (rdev->family == CHIP_HAINAN)) {
2511		for (reg_offset = 0; reg_offset < num_tile_mode_states; reg_offset++) {
2512			switch (reg_offset) {
2513			case 0:  /* non-AA compressed depth or any compressed stencil */
2514				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2515						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2516						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2517						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2518						 NUM_BANKS(ADDR_SURF_16_BANK) |
2519						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2520						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2521						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
2522				break;
2523			case 1:  /* 2xAA/4xAA compressed depth only */
2524				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2525						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2526						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2527						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_128B) |
2528						 NUM_BANKS(ADDR_SURF_16_BANK) |
2529						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2530						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2531						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
2532				break;
2533			case 2:  /* 8xAA compressed depth only */
2534				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2535						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2536						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2537						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2538						 NUM_BANKS(ADDR_SURF_16_BANK) |
2539						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2540						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2541						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
2542				break;
2543			case 3:  /* 2xAA/4xAA compressed depth with stencil (for depth buffer) */
2544				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2545						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2546						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2547						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_128B) |
2548						 NUM_BANKS(ADDR_SURF_16_BANK) |
2549						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2550						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2551						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
2552				break;
2553			case 4:  /* Maps w/ a dimension less than the 2D macro-tile dimensions (for mipmapped depth textures) */
2554				gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
2555						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2556						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2557						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2558						 NUM_BANKS(ADDR_SURF_16_BANK) |
2559						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2560						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2561						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2562				break;
2563			case 5:  /* Uncompressed 16bpp depth - and stencil buffer allocated with it */
2564				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2565						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2566						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2567						 TILE_SPLIT(split_equal_to_row_size) |
2568						 NUM_BANKS(ADDR_SURF_16_BANK) |
2569						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2570						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2571						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2572				break;
2573			case 6:  /* Uncompressed 32bpp depth - and stencil buffer allocated with it */
2574				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2575						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2576						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2577						 TILE_SPLIT(split_equal_to_row_size) |
2578						 NUM_BANKS(ADDR_SURF_16_BANK) |
2579						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2580						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2581						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2582				break;
2583			case 7:  /* Uncompressed 8bpp stencil without depth (drivers typically do not use) */
2584				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2585						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2586						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2587						 TILE_SPLIT(split_equal_to_row_size) |
2588						 NUM_BANKS(ADDR_SURF_16_BANK) |
2589						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2590						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2591						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
2592				break;
2593			case 8:  /* 1D and 1D Array Surfaces */
2594				gb_tile_moden = (ARRAY_MODE(ARRAY_LINEAR_ALIGNED) |
2595						 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2596						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2597						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2598						 NUM_BANKS(ADDR_SURF_16_BANK) |
2599						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2600						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2601						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2602				break;
2603			case 9:  /* Displayable maps. */
2604				gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
2605						 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2606						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2607						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2608						 NUM_BANKS(ADDR_SURF_16_BANK) |
2609						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2610						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2611						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2612				break;
2613			case 10:  /* Display 8bpp. */
2614				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2615						 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2616						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2617						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2618						 NUM_BANKS(ADDR_SURF_16_BANK) |
2619						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2620						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2621						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
2622				break;
2623			case 11:  /* Display 16bpp. */
2624				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2625						 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2626						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2627						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2628						 NUM_BANKS(ADDR_SURF_16_BANK) |
2629						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2630						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2631						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2632				break;
2633			case 12:  /* Display 32bpp. */
2634				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2635						 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2636						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2637						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) |
2638						 NUM_BANKS(ADDR_SURF_16_BANK) |
2639						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2640						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2641						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2642				break;
2643			case 13:  /* Thin. */
2644				gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
2645						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2646						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2647						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2648						 NUM_BANKS(ADDR_SURF_16_BANK) |
2649						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2650						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2651						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2652				break;
2653			case 14:  /* Thin 8 bpp. */
2654				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2655						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2656						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2657						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2658						 NUM_BANKS(ADDR_SURF_16_BANK) |
2659						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2660						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2661						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2662				break;
2663			case 15:  /* Thin 16 bpp. */
2664				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2665						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2666						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2667						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2668						 NUM_BANKS(ADDR_SURF_16_BANK) |
2669						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2670						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2671						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2672				break;
2673			case 16:  /* Thin 32 bpp. */
2674				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2675						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2676						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2677						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) |
2678						 NUM_BANKS(ADDR_SURF_16_BANK) |
2679						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2680						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2681						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2682				break;
2683			case 17:  /* Thin 64 bpp. */
2684				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2685						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2686						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2687						 TILE_SPLIT(split_equal_to_row_size) |
2688						 NUM_BANKS(ADDR_SURF_16_BANK) |
2689						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2690						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2691						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2692				break;
2693			case 21:  /* 8 bpp PRT. */
2694				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2695						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2696						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2697						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2698						 NUM_BANKS(ADDR_SURF_16_BANK) |
2699						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_2) |
2700						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2701						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2702				break;
2703			case 22:  /* 16 bpp PRT */
2704				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2705						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2706						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2707						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2708						 NUM_BANKS(ADDR_SURF_16_BANK) |
2709						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2710						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2711						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
2712				break;
2713			case 23:  /* 32 bpp PRT */
2714				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2715						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2716						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2717						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2718						 NUM_BANKS(ADDR_SURF_16_BANK) |
2719						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2720						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2721						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2722				break;
2723			case 24:  /* 64 bpp PRT */
2724				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2725						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2726						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2727						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) |
2728						 NUM_BANKS(ADDR_SURF_16_BANK) |
2729						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2730						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2731						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2732				break;
2733			case 25:  /* 128 bpp PRT */
2734				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2735						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2736						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2737						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_1KB) |
2738						 NUM_BANKS(ADDR_SURF_8_BANK) |
2739						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2740						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2741						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
2742				break;
2743			default:
2744				gb_tile_moden = 0;
2745				break;
2746			}
2747			rdev->config.si.tile_mode_array[reg_offset] = gb_tile_moden;
2748			WREG32(GB_TILE_MODE0 + (reg_offset * 4), gb_tile_moden);
2749		}
2750	} else
2751		DRM_ERROR("unknown asic: 0x%x\n", rdev->family);
2752}
2753
2754static void si_select_se_sh(struct radeon_device *rdev,
2755			    u32 se_num, u32 sh_num)
2756{
2757	u32 data = INSTANCE_BROADCAST_WRITES;
2758
2759	if ((se_num == 0xffffffff) && (sh_num == 0xffffffff))
2760		data |= SH_BROADCAST_WRITES | SE_BROADCAST_WRITES;
2761	else if (se_num == 0xffffffff)
2762		data |= SE_BROADCAST_WRITES | SH_INDEX(sh_num);
2763	else if (sh_num == 0xffffffff)
2764		data |= SH_BROADCAST_WRITES | SE_INDEX(se_num);
2765	else
2766		data |= SH_INDEX(sh_num) | SE_INDEX(se_num);
2767	WREG32(GRBM_GFX_INDEX, data);
2768}
2769
2770static u32 si_create_bitmask(u32 bit_width)
2771{
2772	u32 i, mask = 0;
2773
2774	for (i = 0; i < bit_width; i++) {
2775		mask <<= 1;
2776		mask |= 1;
2777	}
2778	return mask;
2779}
2780
2781static u32 si_get_cu_enabled(struct radeon_device *rdev, u32 cu_per_sh)
2782{
2783	u32 data, mask;
2784
2785	data = RREG32(CC_GC_SHADER_ARRAY_CONFIG);
2786	if (data & 1)
2787		data &= INACTIVE_CUS_MASK;
2788	else
2789		data = 0;
2790	data |= RREG32(GC_USER_SHADER_ARRAY_CONFIG);
2791
2792	data >>= INACTIVE_CUS_SHIFT;
2793
2794	mask = si_create_bitmask(cu_per_sh);
2795
2796	return ~data & mask;
2797}
2798
2799static void si_setup_spi(struct radeon_device *rdev,
2800			 u32 se_num, u32 sh_per_se,
2801			 u32 cu_per_sh)
2802{
2803	int i, j, k;
2804	u32 data, mask, active_cu;
2805
2806	for (i = 0; i < se_num; i++) {
2807		for (j = 0; j < sh_per_se; j++) {
2808			si_select_se_sh(rdev, i, j);
2809			data = RREG32(SPI_STATIC_THREAD_MGMT_3);
2810			active_cu = si_get_cu_enabled(rdev, cu_per_sh);
2811
2812			mask = 1;
2813			for (k = 0; k < 16; k++) {
2814				mask <<= k;
2815				if (active_cu & mask) {
2816					data &= ~mask;
2817					WREG32(SPI_STATIC_THREAD_MGMT_3, data);
2818					break;
2819				}
2820			}
2821		}
2822	}
2823	si_select_se_sh(rdev, 0xffffffff, 0xffffffff);
2824}
2825
2826static u32 si_get_rb_disabled(struct radeon_device *rdev,
2827			      u32 max_rb_num_per_se,
2828			      u32 sh_per_se)
2829{
2830	u32 data, mask;
2831
2832	data = RREG32(CC_RB_BACKEND_DISABLE);
2833	if (data & 1)
2834		data &= BACKEND_DISABLE_MASK;
2835	else
2836		data = 0;
2837	data |= RREG32(GC_USER_RB_BACKEND_DISABLE);
2838
2839	data >>= BACKEND_DISABLE_SHIFT;
2840
2841	mask = si_create_bitmask(max_rb_num_per_se / sh_per_se);
2842
2843	return data & mask;
2844}
2845
2846static void si_setup_rb(struct radeon_device *rdev,
2847			u32 se_num, u32 sh_per_se,
2848			u32 max_rb_num_per_se)
2849{
2850	int i, j;
2851	u32 data, mask;
2852	u32 disabled_rbs = 0;
2853	u32 enabled_rbs = 0;
2854
2855	for (i = 0; i < se_num; i++) {
2856		for (j = 0; j < sh_per_se; j++) {
2857			si_select_se_sh(rdev, i, j);
2858			data = si_get_rb_disabled(rdev, max_rb_num_per_se, sh_per_se);
2859			disabled_rbs |= data << ((i * sh_per_se + j) * TAHITI_RB_BITMAP_WIDTH_PER_SH);
2860		}
2861	}
2862	si_select_se_sh(rdev, 0xffffffff, 0xffffffff);
2863
2864	mask = 1;
2865	for (i = 0; i < max_rb_num_per_se * se_num; i++) {
2866		if (!(disabled_rbs & mask))
2867			enabled_rbs |= mask;
2868		mask <<= 1;
2869	}
2870
2871	rdev->config.si.backend_enable_mask = enabled_rbs;
2872
2873	for (i = 0; i < se_num; i++) {
2874		si_select_se_sh(rdev, i, 0xffffffff);
2875		data = 0;
2876		for (j = 0; j < sh_per_se; j++) {
2877			switch (enabled_rbs & 3) {
2878			case 1:
2879				data |= (RASTER_CONFIG_RB_MAP_0 << (i * sh_per_se + j) * 2);
2880				break;
2881			case 2:
2882				data |= (RASTER_CONFIG_RB_MAP_3 << (i * sh_per_se + j) * 2);
2883				break;
2884			case 3:
2885			default:
2886				data |= (RASTER_CONFIG_RB_MAP_2 << (i * sh_per_se + j) * 2);
2887				break;
2888			}
2889			enabled_rbs >>= 2;
2890		}
2891		WREG32(PA_SC_RASTER_CONFIG, data);
2892	}
2893	si_select_se_sh(rdev, 0xffffffff, 0xffffffff);
2894}
2895
2896static void si_gpu_init(struct radeon_device *rdev)
2897{
2898	u32 gb_addr_config = 0;
2899	u32 mc_shared_chmap, mc_arb_ramcfg;
2900	u32 sx_debug_1;
2901	u32 hdp_host_path_cntl;
2902	u32 tmp;
2903	int i, j;
2904
2905	switch (rdev->family) {
2906	case CHIP_TAHITI:
2907		rdev->config.si.max_shader_engines = 2;
2908		rdev->config.si.max_tile_pipes = 12;
2909		rdev->config.si.max_cu_per_sh = 8;
2910		rdev->config.si.max_sh_per_se = 2;
2911		rdev->config.si.max_backends_per_se = 4;
2912		rdev->config.si.max_texture_channel_caches = 12;
2913		rdev->config.si.max_gprs = 256;
2914		rdev->config.si.max_gs_threads = 32;
2915		rdev->config.si.max_hw_contexts = 8;
2916
2917		rdev->config.si.sc_prim_fifo_size_frontend = 0x20;
2918		rdev->config.si.sc_prim_fifo_size_backend = 0x100;
2919		rdev->config.si.sc_hiz_tile_fifo_size = 0x30;
2920		rdev->config.si.sc_earlyz_tile_fifo_size = 0x130;
2921		gb_addr_config = TAHITI_GB_ADDR_CONFIG_GOLDEN;
2922		break;
2923	case CHIP_PITCAIRN:
2924		rdev->config.si.max_shader_engines = 2;
2925		rdev->config.si.max_tile_pipes = 8;
2926		rdev->config.si.max_cu_per_sh = 5;
2927		rdev->config.si.max_sh_per_se = 2;
2928		rdev->config.si.max_backends_per_se = 4;
2929		rdev->config.si.max_texture_channel_caches = 8;
2930		rdev->config.si.max_gprs = 256;
2931		rdev->config.si.max_gs_threads = 32;
2932		rdev->config.si.max_hw_contexts = 8;
2933
2934		rdev->config.si.sc_prim_fifo_size_frontend = 0x20;
2935		rdev->config.si.sc_prim_fifo_size_backend = 0x100;
2936		rdev->config.si.sc_hiz_tile_fifo_size = 0x30;
2937		rdev->config.si.sc_earlyz_tile_fifo_size = 0x130;
2938		gb_addr_config = TAHITI_GB_ADDR_CONFIG_GOLDEN;
2939		break;
2940	case CHIP_VERDE:
2941	default:
2942		rdev->config.si.max_shader_engines = 1;
2943		rdev->config.si.max_tile_pipes = 4;
2944		rdev->config.si.max_cu_per_sh = 5;
2945		rdev->config.si.max_sh_per_se = 2;
2946		rdev->config.si.max_backends_per_se = 4;
2947		rdev->config.si.max_texture_channel_caches = 4;
2948		rdev->config.si.max_gprs = 256;
2949		rdev->config.si.max_gs_threads = 32;
2950		rdev->config.si.max_hw_contexts = 8;
2951
2952		rdev->config.si.sc_prim_fifo_size_frontend = 0x20;
2953		rdev->config.si.sc_prim_fifo_size_backend = 0x40;
2954		rdev->config.si.sc_hiz_tile_fifo_size = 0x30;
2955		rdev->config.si.sc_earlyz_tile_fifo_size = 0x130;
2956		gb_addr_config = VERDE_GB_ADDR_CONFIG_GOLDEN;
2957		break;
2958	case CHIP_OLAND:
2959		rdev->config.si.max_shader_engines = 1;
2960		rdev->config.si.max_tile_pipes = 4;
2961		rdev->config.si.max_cu_per_sh = 6;
2962		rdev->config.si.max_sh_per_se = 1;
2963		rdev->config.si.max_backends_per_se = 2;
2964		rdev->config.si.max_texture_channel_caches = 4;
2965		rdev->config.si.max_gprs = 256;
2966		rdev->config.si.max_gs_threads = 16;
2967		rdev->config.si.max_hw_contexts = 8;
2968
2969		rdev->config.si.sc_prim_fifo_size_frontend = 0x20;
2970		rdev->config.si.sc_prim_fifo_size_backend = 0x40;
2971		rdev->config.si.sc_hiz_tile_fifo_size = 0x30;
2972		rdev->config.si.sc_earlyz_tile_fifo_size = 0x130;
2973		gb_addr_config = VERDE_GB_ADDR_CONFIG_GOLDEN;
2974		break;
2975	case CHIP_HAINAN:
2976		rdev->config.si.max_shader_engines = 1;
2977		rdev->config.si.max_tile_pipes = 4;
2978		rdev->config.si.max_cu_per_sh = 5;
2979		rdev->config.si.max_sh_per_se = 1;
2980		rdev->config.si.max_backends_per_se = 1;
2981		rdev->config.si.max_texture_channel_caches = 2;
2982		rdev->config.si.max_gprs = 256;
2983		rdev->config.si.max_gs_threads = 16;
2984		rdev->config.si.max_hw_contexts = 8;
2985
2986		rdev->config.si.sc_prim_fifo_size_frontend = 0x20;
2987		rdev->config.si.sc_prim_fifo_size_backend = 0x40;
2988		rdev->config.si.sc_hiz_tile_fifo_size = 0x30;
2989		rdev->config.si.sc_earlyz_tile_fifo_size = 0x130;
2990		gb_addr_config = HAINAN_GB_ADDR_CONFIG_GOLDEN;
2991		break;
2992	}
2993
2994	/* Initialize HDP */
2995	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
2996		WREG32((0x2c14 + j), 0x00000000);
2997		WREG32((0x2c18 + j), 0x00000000);
2998		WREG32((0x2c1c + j), 0x00000000);
2999		WREG32((0x2c20 + j), 0x00000000);
3000		WREG32((0x2c24 + j), 0x00000000);
3001	}
3002
3003	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
3004
3005	evergreen_fix_pci_max_read_req_size(rdev);
3006
3007	WREG32(BIF_FB_EN, FB_READ_EN | FB_WRITE_EN);
3008
3009	mc_shared_chmap = RREG32(MC_SHARED_CHMAP);
3010	mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
3011
3012	rdev->config.si.num_tile_pipes = rdev->config.si.max_tile_pipes;
3013	rdev->config.si.mem_max_burst_length_bytes = 256;
3014	tmp = (mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT;
3015	rdev->config.si.mem_row_size_in_kb = (4 * (1 << (8 + tmp))) / 1024;
3016	if (rdev->config.si.mem_row_size_in_kb > 4)
3017		rdev->config.si.mem_row_size_in_kb = 4;
3018	/* XXX use MC settings? */
3019	rdev->config.si.shader_engine_tile_size = 32;
3020	rdev->config.si.num_gpus = 1;
3021	rdev->config.si.multi_gpu_tile_size = 64;
3022
3023	/* fix up row size */
3024	gb_addr_config &= ~ROW_SIZE_MASK;
3025	switch (rdev->config.si.mem_row_size_in_kb) {
3026	case 1:
3027	default:
3028		gb_addr_config |= ROW_SIZE(0);
3029		break;
3030	case 2:
3031		gb_addr_config |= ROW_SIZE(1);
3032		break;
3033	case 4:
3034		gb_addr_config |= ROW_SIZE(2);
3035		break;
3036	}
3037
3038	/* setup tiling info dword.  gb_addr_config is not adequate since it does
3039	 * not have bank info, so create a custom tiling dword.
3040	 * bits 3:0   num_pipes
3041	 * bits 7:4   num_banks
3042	 * bits 11:8  group_size
3043	 * bits 15:12 row_size
3044	 */
3045	rdev->config.si.tile_config = 0;
3046	switch (rdev->config.si.num_tile_pipes) {
3047	case 1:
3048		rdev->config.si.tile_config |= (0 << 0);
3049		break;
3050	case 2:
3051		rdev->config.si.tile_config |= (1 << 0);
3052		break;
3053	case 4:
3054		rdev->config.si.tile_config |= (2 << 0);
3055		break;
3056	case 8:
3057	default:
3058		/* XXX what about 12? */
3059		rdev->config.si.tile_config |= (3 << 0);
3060		break;
3061	}	
3062	switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) {
3063	case 0: /* four banks */
3064		rdev->config.si.tile_config |= 0 << 4;
3065		break;
3066	case 1: /* eight banks */
3067		rdev->config.si.tile_config |= 1 << 4;
3068		break;
3069	case 2: /* sixteen banks */
3070	default:
3071		rdev->config.si.tile_config |= 2 << 4;
3072		break;
3073	}
3074	rdev->config.si.tile_config |=
3075		((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT) << 8;
3076	rdev->config.si.tile_config |=
3077		((gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT) << 12;
3078
3079	WREG32(GB_ADDR_CONFIG, gb_addr_config);
3080	WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
3081	WREG32(DMIF_ADDR_CALC, gb_addr_config);
3082	WREG32(HDP_ADDR_CONFIG, gb_addr_config);
3083	WREG32(DMA_TILING_CONFIG + DMA0_REGISTER_OFFSET, gb_addr_config);
3084	WREG32(DMA_TILING_CONFIG + DMA1_REGISTER_OFFSET, gb_addr_config);
3085	if (rdev->has_uvd) {
3086		WREG32(UVD_UDEC_ADDR_CONFIG, gb_addr_config);
3087		WREG32(UVD_UDEC_DB_ADDR_CONFIG, gb_addr_config);
3088		WREG32(UVD_UDEC_DBW_ADDR_CONFIG, gb_addr_config);
3089	}
3090
3091	si_tiling_mode_table_init(rdev);
3092
3093	si_setup_rb(rdev, rdev->config.si.max_shader_engines,
3094		    rdev->config.si.max_sh_per_se,
3095		    rdev->config.si.max_backends_per_se);
3096
3097	si_setup_spi(rdev, rdev->config.si.max_shader_engines,
3098		     rdev->config.si.max_sh_per_se,
3099		     rdev->config.si.max_cu_per_sh);
3100
3101
3102	/* set HW defaults for 3D engine */
3103	WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) |
3104				     ROQ_IB2_START(0x2b)));
3105	WREG32(CP_MEQ_THRESHOLDS, MEQ1_START(0x30) | MEQ2_START(0x60));
3106
3107	sx_debug_1 = RREG32(SX_DEBUG_1);
3108	WREG32(SX_DEBUG_1, sx_debug_1);
3109
3110	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4));
3111
3112	WREG32(PA_SC_FIFO_SIZE, (SC_FRONTEND_PRIM_FIFO_SIZE(rdev->config.si.sc_prim_fifo_size_frontend) |
3113				 SC_BACKEND_PRIM_FIFO_SIZE(rdev->config.si.sc_prim_fifo_size_backend) |
3114				 SC_HIZ_TILE_FIFO_SIZE(rdev->config.si.sc_hiz_tile_fifo_size) |
3115				 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.si.sc_earlyz_tile_fifo_size)));
3116
3117	WREG32(VGT_NUM_INSTANCES, 1);
3118
3119	WREG32(CP_PERFMON_CNTL, 0);
3120
3121	WREG32(SQ_CONFIG, 0);
3122
3123	WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
3124					  FORCE_EOV_MAX_REZ_CNT(255)));
3125
3126	WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC) |
3127	       AUTO_INVLD_EN(ES_AND_GS_AUTO));
3128
3129	WREG32(VGT_GS_VERTEX_REUSE, 16);
3130	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
3131
3132	WREG32(CB_PERFCOUNTER0_SELECT0, 0);
3133	WREG32(CB_PERFCOUNTER0_SELECT1, 0);
3134	WREG32(CB_PERFCOUNTER1_SELECT0, 0);
3135	WREG32(CB_PERFCOUNTER1_SELECT1, 0);
3136	WREG32(CB_PERFCOUNTER2_SELECT0, 0);
3137	WREG32(CB_PERFCOUNTER2_SELECT1, 0);
3138	WREG32(CB_PERFCOUNTER3_SELECT0, 0);
3139	WREG32(CB_PERFCOUNTER3_SELECT1, 0);
3140
3141	tmp = RREG32(HDP_MISC_CNTL);
3142	tmp |= HDP_FLUSH_INVALIDATE_CACHE;
3143	WREG32(HDP_MISC_CNTL, tmp);
3144
3145	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
3146	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
3147
3148	WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
3149
3150	udelay(50);
3151}
3152
3153/*
3154 * GPU scratch registers helpers function.
3155 */
3156static void si_scratch_init(struct radeon_device *rdev)
3157{
3158	int i;
3159
3160	rdev->scratch.num_reg = 7;
3161	rdev->scratch.reg_base = SCRATCH_REG0;
3162	for (i = 0; i < rdev->scratch.num_reg; i++) {
3163		rdev->scratch.free[i] = true;
3164		rdev->scratch.reg[i] = rdev->scratch.reg_base + (i * 4);
3165	}
3166}
3167
3168void si_fence_ring_emit(struct radeon_device *rdev,
3169			struct radeon_fence *fence)
3170{
3171	struct radeon_ring *ring = &rdev->ring[fence->ring];
3172	u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
3173
3174	/* flush read cache over gart */
3175	radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
3176	radeon_ring_write(ring, (CP_COHER_CNTL2 - PACKET3_SET_CONFIG_REG_START) >> 2);
3177	radeon_ring_write(ring, 0);
3178	radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
3179	radeon_ring_write(ring, PACKET3_TCL1_ACTION_ENA |
3180			  PACKET3_TC_ACTION_ENA |
3181			  PACKET3_SH_KCACHE_ACTION_ENA |
3182			  PACKET3_SH_ICACHE_ACTION_ENA);
3183	radeon_ring_write(ring, 0xFFFFFFFF);
3184	radeon_ring_write(ring, 0);
3185	radeon_ring_write(ring, 10); /* poll interval */
3186	/* EVENT_WRITE_EOP - flush caches, send int */
3187	radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
3188	radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_TS_EVENT) | EVENT_INDEX(5));
3189	radeon_ring_write(ring, addr & 0xffffffff);
3190	radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
3191	radeon_ring_write(ring, fence->seq);
3192	radeon_ring_write(ring, 0);
3193}
3194
3195/*
3196 * IB stuff
3197 */
3198void si_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
3199{
3200	struct radeon_ring *ring = &rdev->ring[ib->ring];
3201	u32 header;
3202
3203	if (ib->is_const_ib) {
3204		/* set switch buffer packet before const IB */
3205		radeon_ring_write(ring, PACKET3(PACKET3_SWITCH_BUFFER, 0));
3206		radeon_ring_write(ring, 0);
3207
3208		header = PACKET3(PACKET3_INDIRECT_BUFFER_CONST, 2);
3209	} else {
3210		u32 next_rptr;
3211		if (ring->rptr_save_reg) {
3212			next_rptr = ring->wptr + 3 + 4 + 8;
3213			radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
3214			radeon_ring_write(ring, ((ring->rptr_save_reg -
3215						  PACKET3_SET_CONFIG_REG_START) >> 2));
3216			radeon_ring_write(ring, next_rptr);
3217		} else if (rdev->wb.enabled) {
3218			next_rptr = ring->wptr + 5 + 4 + 8;
3219			radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
3220			radeon_ring_write(ring, (1 << 8));
3221			radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc);
3222			radeon_ring_write(ring, upper_32_bits(ring->next_rptr_gpu_addr) & 0xffffffff);
3223			radeon_ring_write(ring, next_rptr);
3224		}
3225
3226		header = PACKET3(PACKET3_INDIRECT_BUFFER, 2);
3227	}
3228
3229	radeon_ring_write(ring, header);
3230	radeon_ring_write(ring,
3231#ifdef __BIG_ENDIAN
3232			  (2 << 0) |
3233#endif
3234			  (ib->gpu_addr & 0xFFFFFFFC));
3235	radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFFFF);
3236	radeon_ring_write(ring, ib->length_dw |
3237			  (ib->vm ? (ib->vm->id << 24) : 0));
3238
3239	if (!ib->is_const_ib) {
3240		/* flush read cache over gart for this vmid */
3241		radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
3242		radeon_ring_write(ring, (CP_COHER_CNTL2 - PACKET3_SET_CONFIG_REG_START) >> 2);
3243		radeon_ring_write(ring, ib->vm ? ib->vm->id : 0);
3244		radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
3245		radeon_ring_write(ring, PACKET3_TCL1_ACTION_ENA |
3246				  PACKET3_TC_ACTION_ENA |
3247				  PACKET3_SH_KCACHE_ACTION_ENA |
3248				  PACKET3_SH_ICACHE_ACTION_ENA);
3249		radeon_ring_write(ring, 0xFFFFFFFF);
3250		radeon_ring_write(ring, 0);
3251		radeon_ring_write(ring, 10); /* poll interval */
3252	}
3253}
3254
3255/*
3256 * CP.
3257 */
3258static void si_cp_enable(struct radeon_device *rdev, bool enable)
3259{
3260	if (enable)
3261		WREG32(CP_ME_CNTL, 0);
3262	else {
3263		if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
3264			radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
3265		WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT | CP_CE_HALT));
3266		WREG32(SCRATCH_UMSK, 0);
3267		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
3268		rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
3269		rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
3270	}
3271	udelay(50);
3272}
3273
3274static int si_cp_load_microcode(struct radeon_device *rdev)
3275{
3276	const __be32 *fw_data;
3277	int i;
3278
3279	if (!rdev->me_fw || !rdev->pfp_fw)
3280		return -EINVAL;
3281
3282	si_cp_enable(rdev, false);
3283
3284	/* PFP */
3285	fw_data = (const __be32 *)rdev->pfp_fw->data;
3286	WREG32(CP_PFP_UCODE_ADDR, 0);
3287	for (i = 0; i < SI_PFP_UCODE_SIZE; i++)
3288		WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
3289	WREG32(CP_PFP_UCODE_ADDR, 0);
3290
3291	/* CE */
3292	fw_data = (const __be32 *)rdev->ce_fw->data;
3293	WREG32(CP_CE_UCODE_ADDR, 0);
3294	for (i = 0; i < SI_CE_UCODE_SIZE; i++)
3295		WREG32(CP_CE_UCODE_DATA, be32_to_cpup(fw_data++));
3296	WREG32(CP_CE_UCODE_ADDR, 0);
3297
3298	/* ME */
3299	fw_data = (const __be32 *)rdev->me_fw->data;
3300	WREG32(CP_ME_RAM_WADDR, 0);
3301	for (i = 0; i < SI_PM4_UCODE_SIZE; i++)
3302		WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
3303	WREG32(CP_ME_RAM_WADDR, 0);
3304
3305	WREG32(CP_PFP_UCODE_ADDR, 0);
3306	WREG32(CP_CE_UCODE_ADDR, 0);
3307	WREG32(CP_ME_RAM_WADDR, 0);
3308	WREG32(CP_ME_RAM_RADDR, 0);
3309	return 0;
3310}
3311
3312static int si_cp_start(struct radeon_device *rdev)
3313{
3314	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3315	int r, i;
3316
3317	r = radeon_ring_lock(rdev, ring, 7 + 4);
3318	if (r) {
3319		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
3320		return r;
3321	}
3322	/* init the CP */
3323	radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
3324	radeon_ring_write(ring, 0x1);
3325	radeon_ring_write(ring, 0x0);
3326	radeon_ring_write(ring, rdev->config.si.max_hw_contexts - 1);
3327	radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
3328	radeon_ring_write(ring, 0);
3329	radeon_ring_write(ring, 0);
3330
3331	/* init the CE partitions */
3332	radeon_ring_write(ring, PACKET3(PACKET3_SET_BASE, 2));
3333	radeon_ring_write(ring, PACKET3_BASE_INDEX(CE_PARTITION_BASE));
3334	radeon_ring_write(ring, 0xc000);
3335	radeon_ring_write(ring, 0xe000);
3336	radeon_ring_unlock_commit(rdev, ring);
3337
3338	si_cp_enable(rdev, true);
3339
3340	r = radeon_ring_lock(rdev, ring, si_default_size + 10);
3341	if (r) {
3342		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
3343		return r;
3344	}
3345
3346	/* setup clear context state */
3347	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
3348	radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
3349
3350	for (i = 0; i < si_default_size; i++)
3351		radeon_ring_write(ring, si_default_state[i]);
3352
3353	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
3354	radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE);
3355
3356	/* set clear context state */
3357	radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0));
3358	radeon_ring_write(ring, 0);
3359
3360	radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 2));
3361	radeon_ring_write(ring, 0x00000316);
3362	radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
3363	radeon_ring_write(ring, 0x00000010); /* VGT_OUT_DEALLOC_CNTL */
3364
3365	radeon_ring_unlock_commit(rdev, ring);
3366
3367	for (i = RADEON_RING_TYPE_GFX_INDEX; i <= CAYMAN_RING_TYPE_CP2_INDEX; ++i) {
3368		ring = &rdev->ring[i];
3369		r = radeon_ring_lock(rdev, ring, 2);
3370
3371		/* clear the compute context state */
3372		radeon_ring_write(ring, PACKET3_COMPUTE(PACKET3_CLEAR_STATE, 0));
3373		radeon_ring_write(ring, 0);
3374
3375		radeon_ring_unlock_commit(rdev, ring);
3376	}
3377
3378	return 0;
3379}
3380
3381static void si_cp_fini(struct radeon_device *rdev)
3382{
3383	struct radeon_ring *ring;
3384	si_cp_enable(rdev, false);
3385
3386	ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3387	radeon_ring_fini(rdev, ring);
3388	radeon_scratch_free(rdev, ring->rptr_save_reg);
3389
3390	ring = &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX];
3391	radeon_ring_fini(rdev, ring);
3392	radeon_scratch_free(rdev, ring->rptr_save_reg);
3393
3394	ring = &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX];
3395	radeon_ring_fini(rdev, ring);
3396	radeon_scratch_free(rdev, ring->rptr_save_reg);
3397}
3398
3399static int si_cp_resume(struct radeon_device *rdev)
3400{
3401	struct radeon_ring *ring;
3402	u32 tmp;
3403	u32 rb_bufsz;
3404	int r;
3405
3406	si_enable_gui_idle_interrupt(rdev, false);
3407
3408	WREG32(CP_SEM_WAIT_TIMER, 0x0);
3409	WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0);
3410
3411	/* Set the write pointer delay */
3412	WREG32(CP_RB_WPTR_DELAY, 0);
3413
3414	WREG32(CP_DEBUG, 0);
3415	WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
3416
3417	/* ring 0 - compute and gfx */
3418	/* Set ring buffer size */
3419	ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3420	rb_bufsz = order_base_2(ring->ring_size / 8);
3421	tmp = (order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
3422#ifdef __BIG_ENDIAN
3423	tmp |= BUF_SWAP_32BIT;
3424#endif
3425	WREG32(CP_RB0_CNTL, tmp);
3426
3427	/* Initialize the ring buffer's read and write pointers */
3428	WREG32(CP_RB0_CNTL, tmp | RB_RPTR_WR_ENA);
3429	ring->wptr = 0;
3430	WREG32(CP_RB0_WPTR, ring->wptr);
3431
3432	/* set the wb address whether it's enabled or not */
3433	WREG32(CP_RB0_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC);
3434	WREG32(CP_RB0_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
3435
3436	if (rdev->wb.enabled)
3437		WREG32(SCRATCH_UMSK, 0xff);
3438	else {
3439		tmp |= RB_NO_UPDATE;
3440		WREG32(SCRATCH_UMSK, 0);
3441	}
3442
3443	mdelay(1);
3444	WREG32(CP_RB0_CNTL, tmp);
3445
3446	WREG32(CP_RB0_BASE, ring->gpu_addr >> 8);
3447
3448	/* ring1  - compute only */
3449	/* Set ring buffer size */
3450	ring = &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX];
3451	rb_bufsz = order_base_2(ring->ring_size / 8);
3452	tmp = (order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
3453#ifdef __BIG_ENDIAN
3454	tmp |= BUF_SWAP_32BIT;
3455#endif
3456	WREG32(CP_RB1_CNTL, tmp);
3457
3458	/* Initialize the ring buffer's read and write pointers */
3459	WREG32(CP_RB1_CNTL, tmp | RB_RPTR_WR_ENA);
3460	ring->wptr = 0;
3461	WREG32(CP_RB1_WPTR, ring->wptr);
3462
3463	/* set the wb address whether it's enabled or not */
3464	WREG32(CP_RB1_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP1_RPTR_OFFSET) & 0xFFFFFFFC);
3465	WREG32(CP_RB1_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP1_RPTR_OFFSET) & 0xFF);
3466
3467	mdelay(1);
3468	WREG32(CP_RB1_CNTL, tmp);
3469
3470	WREG32(CP_RB1_BASE, ring->gpu_addr >> 8);
3471
3472	/* ring2 - compute only */
3473	/* Set ring buffer size */
3474	ring = &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX];
3475	rb_bufsz = order_base_2(ring->ring_size / 8);
3476	tmp = (order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
3477#ifdef __BIG_ENDIAN
3478	tmp |= BUF_SWAP_32BIT;
3479#endif
3480	WREG32(CP_RB2_CNTL, tmp);
3481
3482	/* Initialize the ring buffer's read and write pointers */
3483	WREG32(CP_RB2_CNTL, tmp | RB_RPTR_WR_ENA);
3484	ring->wptr = 0;
3485	WREG32(CP_RB2_WPTR, ring->wptr);
3486
3487	/* set the wb address whether it's enabled or not */
3488	WREG32(CP_RB2_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP2_RPTR_OFFSET) & 0xFFFFFFFC);
3489	WREG32(CP_RB2_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP2_RPTR_OFFSET) & 0xFF);
3490
3491	mdelay(1);
3492	WREG32(CP_RB2_CNTL, tmp);
3493
3494	WREG32(CP_RB2_BASE, ring->gpu_addr >> 8);
3495
3496	/* start the rings */
3497	si_cp_start(rdev);
3498	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = true;
3499	rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = true;
3500	rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = true;
3501	r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
3502	if (r) {
3503		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
3504		rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
3505		rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
3506		return r;
3507	}
3508	r = radeon_ring_test(rdev, CAYMAN_RING_TYPE_CP1_INDEX, &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX]);
3509	if (r) {
3510		rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
3511	}
3512	r = radeon_ring_test(rdev, CAYMAN_RING_TYPE_CP2_INDEX, &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX]);
3513	if (r) {
3514		rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
3515	}
3516
3517	si_enable_gui_idle_interrupt(rdev, true);
3518
3519	if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
3520		radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
3521
3522	return 0;
3523}
3524
3525u32 si_gpu_check_soft_reset(struct radeon_device *rdev)
3526{
3527	u32 reset_mask = 0;
3528	u32 tmp;
3529
3530	/* GRBM_STATUS */
3531	tmp = RREG32(GRBM_STATUS);
3532	if (tmp & (PA_BUSY | SC_BUSY |
3533		   BCI_BUSY | SX_BUSY |
3534		   TA_BUSY | VGT_BUSY |
3535		   DB_BUSY | CB_BUSY |
3536		   GDS_BUSY | SPI_BUSY |
3537		   IA_BUSY | IA_BUSY_NO_DMA))
3538		reset_mask |= RADEON_RESET_GFX;
3539
3540	if (tmp & (CF_RQ_PENDING | PF_RQ_PENDING |
3541		   CP_BUSY | CP_COHERENCY_BUSY))
3542		reset_mask |= RADEON_RESET_CP;
3543
3544	if (tmp & GRBM_EE_BUSY)
3545		reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP;
3546
3547	/* GRBM_STATUS2 */
3548	tmp = RREG32(GRBM_STATUS2);
3549	if (tmp & (RLC_RQ_PENDING | RLC_BUSY))
3550		reset_mask |= RADEON_RESET_RLC;
3551
3552	/* DMA_STATUS_REG 0 */
3553	tmp = RREG32(DMA_STATUS_REG + DMA0_REGISTER_OFFSET);
3554	if (!(tmp & DMA_IDLE))
3555		reset_mask |= RADEON_RESET_DMA;
3556
3557	/* DMA_STATUS_REG 1 */
3558	tmp = RREG32(DMA_STATUS_REG + DMA1_REGISTER_OFFSET);
3559	if (!(tmp & DMA_IDLE))
3560		reset_mask |= RADEON_RESET_DMA1;
3561
3562	/* SRBM_STATUS2 */
3563	tmp = RREG32(SRBM_STATUS2);
3564	if (tmp & DMA_BUSY)
3565		reset_mask |= RADEON_RESET_DMA;
3566
3567	if (tmp & DMA1_BUSY)
3568		reset_mask |= RADEON_RESET_DMA1;
3569
3570	/* SRBM_STATUS */
3571	tmp = RREG32(SRBM_STATUS);
3572
3573	if (tmp & IH_BUSY)
3574		reset_mask |= RADEON_RESET_IH;
3575
3576	if (tmp & SEM_BUSY)
3577		reset_mask |= RADEON_RESET_SEM;
3578
3579	if (tmp & GRBM_RQ_PENDING)
3580		reset_mask |= RADEON_RESET_GRBM;
3581
3582	if (tmp & VMC_BUSY)
3583		reset_mask |= RADEON_RESET_VMC;
3584
3585	if (tmp & (MCB_BUSY | MCB_NON_DISPLAY_BUSY |
3586		   MCC_BUSY | MCD_BUSY))
3587		reset_mask |= RADEON_RESET_MC;
3588
3589	if (evergreen_is_display_hung(rdev))
3590		reset_mask |= RADEON_RESET_DISPLAY;
3591
3592	/* VM_L2_STATUS */
3593	tmp = RREG32(VM_L2_STATUS);
3594	if (tmp & L2_BUSY)
3595		reset_mask |= RADEON_RESET_VMC;
3596
3597	/* Skip MC reset as it's mostly likely not hung, just busy */
3598	if (reset_mask & RADEON_RESET_MC) {
3599		DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask);
3600		reset_mask &= ~RADEON_RESET_MC;
3601	}
3602
3603	return reset_mask;
3604}
3605
3606static void si_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
3607{
3608	struct evergreen_mc_save save;
3609	u32 grbm_soft_reset = 0, srbm_soft_reset = 0;
3610	u32 tmp;
3611
3612	if (reset_mask == 0)
3613		return;
3614
3615	dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask);
3616
3617	evergreen_print_gpu_status_regs(rdev);
3618	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
3619		 RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR));
3620	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
3621		 RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS));
3622
3623	/* disable PG/CG */
3624	si_fini_pg(rdev);
3625	si_fini_cg(rdev);
3626
3627	/* stop the rlc */
3628	si_rlc_stop(rdev);
3629
3630	/* Disable CP parsing/prefetching */
3631	WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT | CP_CE_HALT);
3632
3633	if (reset_mask & RADEON_RESET_DMA) {
3634		/* dma0 */
3635		tmp = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET);
3636		tmp &= ~DMA_RB_ENABLE;
3637		WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, tmp);
3638	}
3639	if (reset_mask & RADEON_RESET_DMA1) {
3640		/* dma1 */
3641		tmp = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET);
3642		tmp &= ~DMA_RB_ENABLE;
3643		WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, tmp);
3644	}
3645
3646	udelay(50);
3647
3648	evergreen_mc_stop(rdev, &save);
3649	if (evergreen_mc_wait_for_idle(rdev)) {
3650		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
3651	}
3652
3653	if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE | RADEON_RESET_CP)) {
3654		grbm_soft_reset = SOFT_RESET_CB |
3655			SOFT_RESET_DB |
3656			SOFT_RESET_GDS |
3657			SOFT_RESET_PA |
3658			SOFT_RESET_SC |
3659			SOFT_RESET_BCI |
3660			SOFT_RESET_SPI |
3661			SOFT_RESET_SX |
3662			SOFT_RESET_TC |
3663			SOFT_RESET_TA |
3664			SOFT_RESET_VGT |
3665			SOFT_RESET_IA;
3666	}
3667
3668	if (reset_mask & RADEON_RESET_CP) {
3669		grbm_soft_reset |= SOFT_RESET_CP | SOFT_RESET_VGT;
3670
3671		srbm_soft_reset |= SOFT_RESET_GRBM;
3672	}
3673
3674	if (reset_mask & RADEON_RESET_DMA)
3675		srbm_soft_reset |= SOFT_RESET_DMA;
3676
3677	if (reset_mask & RADEON_RESET_DMA1)
3678		srbm_soft_reset |= SOFT_RESET_DMA1;
3679
3680	if (reset_mask & RADEON_RESET_DISPLAY)
3681		srbm_soft_reset |= SOFT_RESET_DC;
3682
3683	if (reset_mask & RADEON_RESET_RLC)
3684		grbm_soft_reset |= SOFT_RESET_RLC;
3685
3686	if (reset_mask & RADEON_RESET_SEM)
3687		srbm_soft_reset |= SOFT_RESET_SEM;
3688
3689	if (reset_mask & RADEON_RESET_IH)
3690		srbm_soft_reset |= SOFT_RESET_IH;
3691
3692	if (reset_mask & RADEON_RESET_GRBM)
3693		srbm_soft_reset |= SOFT_RESET_GRBM;
3694
3695	if (reset_mask & RADEON_RESET_VMC)
3696		srbm_soft_reset |= SOFT_RESET_VMC;
3697
3698	if (reset_mask & RADEON_RESET_MC)
3699		srbm_soft_reset |= SOFT_RESET_MC;
3700
3701	if (grbm_soft_reset) {
3702		tmp = RREG32(GRBM_SOFT_RESET);
3703		tmp |= grbm_soft_reset;
3704		dev_info(rdev->dev, "GRBM_SOFT_RESET=0x%08X\n", tmp);
3705		WREG32(GRBM_SOFT_RESET, tmp);
3706		tmp = RREG32(GRBM_SOFT_RESET);
3707
3708		udelay(50);
3709
3710		tmp &= ~grbm_soft_reset;
3711		WREG32(GRBM_SOFT_RESET, tmp);
3712		tmp = RREG32(GRBM_SOFT_RESET);
3713	}
3714
3715	if (srbm_soft_reset) {
3716		tmp = RREG32(SRBM_SOFT_RESET);
3717		tmp |= srbm_soft_reset;
3718		dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
3719		WREG32(SRBM_SOFT_RESET, tmp);
3720		tmp = RREG32(SRBM_SOFT_RESET);
3721
3722		udelay(50);
3723
3724		tmp &= ~srbm_soft_reset;
3725		WREG32(SRBM_SOFT_RESET, tmp);
3726		tmp = RREG32(SRBM_SOFT_RESET);
3727	}
3728
3729	/* Wait a little for things to settle down */
3730	udelay(50);
3731
3732	evergreen_mc_resume(rdev, &save);
3733	udelay(50);
3734
3735	evergreen_print_gpu_status_regs(rdev);
3736}
3737
3738static void si_set_clk_bypass_mode(struct radeon_device *rdev)
3739{
3740	u32 tmp, i;
3741
3742	tmp = RREG32(CG_SPLL_FUNC_CNTL);
3743	tmp |= SPLL_BYPASS_EN;
3744	WREG32(CG_SPLL_FUNC_CNTL, tmp);
3745
3746	tmp = RREG32(CG_SPLL_FUNC_CNTL_2);
3747	tmp |= SPLL_CTLREQ_CHG;
3748	WREG32(CG_SPLL_FUNC_CNTL_2, tmp);
3749
3750	for (i = 0; i < rdev->usec_timeout; i++) {
3751		if (RREG32(SPLL_STATUS) & SPLL_CHG_STATUS)
3752			break;
3753		udelay(1);
3754	}
3755
3756	tmp = RREG32(CG_SPLL_FUNC_CNTL_2);
3757	tmp &= ~(SPLL_CTLREQ_CHG | SCLK_MUX_UPDATE);
3758	WREG32(CG_SPLL_FUNC_CNTL_2, tmp);
3759
3760	tmp = RREG32(MPLL_CNTL_MODE);
3761	tmp &= ~MPLL_MCLK_SEL;
3762	WREG32(MPLL_CNTL_MODE, tmp);
3763}
3764
3765static void si_spll_powerdown(struct radeon_device *rdev)
3766{
3767	u32 tmp;
3768
3769	tmp = RREG32(SPLL_CNTL_MODE);
3770	tmp |= SPLL_SW_DIR_CONTROL;
3771	WREG32(SPLL_CNTL_MODE, tmp);
3772
3773	tmp = RREG32(CG_SPLL_FUNC_CNTL);
3774	tmp |= SPLL_RESET;
3775	WREG32(CG_SPLL_FUNC_CNTL, tmp);
3776
3777	tmp = RREG32(CG_SPLL_FUNC_CNTL);
3778	tmp |= SPLL_SLEEP;
3779	WREG32(CG_SPLL_FUNC_CNTL, tmp);
3780
3781	tmp = RREG32(SPLL_CNTL_MODE);
3782	tmp &= ~SPLL_SW_DIR_CONTROL;
3783	WREG32(SPLL_CNTL_MODE, tmp);
3784}
3785
3786static void si_gpu_pci_config_reset(struct radeon_device *rdev)
3787{
3788	struct evergreen_mc_save save;
3789	u32 tmp, i;
3790
3791	dev_info(rdev->dev, "GPU pci config reset\n");
3792
3793	/* disable dpm? */
3794
3795	/* disable cg/pg */
3796	si_fini_pg(rdev);
3797	si_fini_cg(rdev);
3798
3799	/* Disable CP parsing/prefetching */
3800	WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT | CP_CE_HALT);
3801	/* dma0 */
3802	tmp = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET);
3803	tmp &= ~DMA_RB_ENABLE;
3804	WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, tmp);
3805	/* dma1 */
3806	tmp = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET);
3807	tmp &= ~DMA_RB_ENABLE;
3808	WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, tmp);
3809	/* XXX other engines? */
3810
3811	/* halt the rlc, disable cp internal ints */
3812	si_rlc_stop(rdev);
3813
3814	udelay(50);
3815
3816	/* disable mem access */
3817	evergreen_mc_stop(rdev, &save);
3818	if (evergreen_mc_wait_for_idle(rdev)) {
3819		dev_warn(rdev->dev, "Wait for MC idle timed out !\n");
3820	}
3821
3822	/* set mclk/sclk to bypass */
3823	si_set_clk_bypass_mode(rdev);
3824	/* powerdown spll */
3825	si_spll_powerdown(rdev);
3826	/* disable BM */
3827	pci_clear_master(rdev->pdev);
3828	/* reset */
3829	radeon_pci_config_reset(rdev);
3830	/* wait for asic to come out of reset */
3831	for (i = 0; i < rdev->usec_timeout; i++) {
3832		if (RREG32(CONFIG_MEMSIZE) != 0xffffffff)
3833			break;
3834		udelay(1);
3835	}
3836}
3837
3838int si_asic_reset(struct radeon_device *rdev)
3839{
3840	u32 reset_mask;
3841
3842	reset_mask = si_gpu_check_soft_reset(rdev);
3843
3844	if (reset_mask)
3845		r600_set_bios_scratch_engine_hung(rdev, true);
3846
3847	/* try soft reset */
3848	si_gpu_soft_reset(rdev, reset_mask);
3849
3850	reset_mask = si_gpu_check_soft_reset(rdev);
3851
3852	/* try pci config reset */
3853	if (reset_mask && radeon_hard_reset)
3854		si_gpu_pci_config_reset(rdev);
3855
3856	reset_mask = si_gpu_check_soft_reset(rdev);
3857
3858	if (!reset_mask)
3859		r600_set_bios_scratch_engine_hung(rdev, false);
3860
3861	return 0;
3862}
3863
3864/**
3865 * si_gfx_is_lockup - Check if the GFX engine is locked up
3866 *
3867 * @rdev: radeon_device pointer
3868 * @ring: radeon_ring structure holding ring information
3869 *
3870 * Check if the GFX engine is locked up.
3871 * Returns true if the engine appears to be locked up, false if not.
3872 */
3873bool si_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
3874{
3875	u32 reset_mask = si_gpu_check_soft_reset(rdev);
3876
3877	if (!(reset_mask & (RADEON_RESET_GFX |
3878			    RADEON_RESET_COMPUTE |
3879			    RADEON_RESET_CP))) {
3880		radeon_ring_lockup_update(rdev, ring);
3881		return false;
3882	}
3883	return radeon_ring_test_lockup(rdev, ring);
3884}
3885
3886/* MC */
3887static void si_mc_program(struct radeon_device *rdev)
3888{
3889	struct evergreen_mc_save save;
3890	u32 tmp;
3891	int i, j;
3892
3893	/* Initialize HDP */
3894	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
3895		WREG32((0x2c14 + j), 0x00000000);
3896		WREG32((0x2c18 + j), 0x00000000);
3897		WREG32((0x2c1c + j), 0x00000000);
3898		WREG32((0x2c20 + j), 0x00000000);
3899		WREG32((0x2c24 + j), 0x00000000);
3900	}
3901	WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
3902
3903	evergreen_mc_stop(rdev, &save);
3904	if (radeon_mc_wait_for_idle(rdev)) {
3905		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
3906	}
3907	if (!ASIC_IS_NODCE(rdev))
3908		/* Lockout access through VGA aperture*/
3909		WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
3910	/* Update configuration */
3911	WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
3912	       rdev->mc.vram_start >> 12);
3913	WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
3914	       rdev->mc.vram_end >> 12);
3915	WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR,
3916	       rdev->vram_scratch.gpu_addr >> 12);
3917	tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
3918	tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
3919	WREG32(MC_VM_FB_LOCATION, tmp);
3920	/* XXX double check these! */
3921	WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
3922	WREG32(HDP_NONSURFACE_INFO, (2 << 7) | (1 << 30));
3923	WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
3924	WREG32(MC_VM_AGP_BASE, 0);
3925	WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
3926	WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
3927	if (radeon_mc_wait_for_idle(rdev)) {
3928		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
3929	}
3930	evergreen_mc_resume(rdev, &save);
3931	if (!ASIC_IS_NODCE(rdev)) {
3932		/* we need to own VRAM, so turn off the VGA renderer here
3933		 * to stop it overwriting our objects */
3934		rv515_vga_render_disable(rdev);
3935	}
3936}
3937
3938void si_vram_gtt_location(struct radeon_device *rdev,
3939			  struct radeon_mc *mc)
3940{
3941	if (mc->mc_vram_size > 0xFFC0000000ULL) {
3942		/* leave room for at least 1024M GTT */
3943		dev_warn(rdev->dev, "limiting VRAM\n");
3944		mc->real_vram_size = 0xFFC0000000ULL;
3945		mc->mc_vram_size = 0xFFC0000000ULL;
3946	}
3947	radeon_vram_location(rdev, &rdev->mc, 0);
3948	rdev->mc.gtt_base_align = 0;
3949	radeon_gtt_location(rdev, mc);
3950}
3951
3952static int si_mc_init(struct radeon_device *rdev)
3953{
3954	u32 tmp;
3955	int chansize, numchan;
3956
3957	/* Get VRAM informations */
3958	rdev->mc.vram_is_ddr = true;
3959	tmp = RREG32(MC_ARB_RAMCFG);
3960	if (tmp & CHANSIZE_OVERRIDE) {
3961		chansize = 16;
3962	} else if (tmp & CHANSIZE_MASK) {
3963		chansize = 64;
3964	} else {
3965		chansize = 32;
3966	}
3967	tmp = RREG32(MC_SHARED_CHMAP);
3968	switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
3969	case 0:
3970	default:
3971		numchan = 1;
3972		break;
3973	case 1:
3974		numchan = 2;
3975		break;
3976	case 2:
3977		numchan = 4;
3978		break;
3979	case 3:
3980		numchan = 8;
3981		break;
3982	case 4:
3983		numchan = 3;
3984		break;
3985	case 5:
3986		numchan = 6;
3987		break;
3988	case 6:
3989		numchan = 10;
3990		break;
3991	case 7:
3992		numchan = 12;
3993		break;
3994	case 8:
3995		numchan = 16;
3996		break;
3997	}
3998	rdev->mc.vram_width = numchan * chansize;
3999	/* Could aper size report 0 ? */
4000	rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
4001	rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
4002	/* size in MB on si */
4003	tmp = RREG32(CONFIG_MEMSIZE);
4004	/* some boards may have garbage in the upper 16 bits */
4005	if (tmp & 0xffff0000) {
4006		DRM_INFO("Probable bad vram size: 0x%08x\n", tmp);
4007		if (tmp & 0xffff)
4008			tmp &= 0xffff;
4009	}
4010	rdev->mc.mc_vram_size = tmp * 1024ULL * 1024ULL;
4011	rdev->mc.real_vram_size = rdev->mc.mc_vram_size;
4012	rdev->mc.visible_vram_size = rdev->mc.aper_size;
4013	si_vram_gtt_location(rdev, &rdev->mc);
4014	radeon_update_bandwidth_info(rdev);
4015
4016	return 0;
4017}
4018
4019/*
4020 * GART
4021 */
4022void si_pcie_gart_tlb_flush(struct radeon_device *rdev)
4023{
4024	/* flush hdp cache */
4025	WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
4026
4027	/* bits 0-15 are the VM contexts0-15 */
4028	WREG32(VM_INVALIDATE_REQUEST, 1);
4029}
4030
4031static int si_pcie_gart_enable(struct radeon_device *rdev)
4032{
4033	int r, i;
4034
4035	if (rdev->gart.robj == NULL) {
4036		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
4037		return -EINVAL;
4038	}
4039	r = radeon_gart_table_vram_pin(rdev);
4040	if (r)
4041		return r;
4042	radeon_gart_restore(rdev);
4043	/* Setup TLB control */
4044	WREG32(MC_VM_MX_L1_TLB_CNTL,
4045	       (0xA << 7) |
4046	       ENABLE_L1_TLB |
4047	       SYSTEM_ACCESS_MODE_NOT_IN_SYS |
4048	       ENABLE_ADVANCED_DRIVER_MODEL |
4049	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
4050	/* Setup L2 cache */
4051	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE |
4052	       ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
4053	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
4054	       EFFECTIVE_L2_QUEUE_SIZE(7) |
4055	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
4056	WREG32(VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS | INVALIDATE_L2_CACHE);
4057	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
4058	       L2_CACHE_BIGK_FRAGMENT_SIZE(0));
4059	/* setup context0 */
4060	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
4061	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
4062	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
4063	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
4064			(u32)(rdev->dummy_page.addr >> 12));
4065	WREG32(VM_CONTEXT0_CNTL2, 0);
4066	WREG32(VM_CONTEXT0_CNTL, (ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
4067				  RANGE_PROTECTION_FAULT_ENABLE_DEFAULT));
4068
4069	WREG32(0x15D4, 0);
4070	WREG32(0x15D8, 0);
4071	WREG32(0x15DC, 0);
4072
4073	/* empty context1-15 */
4074	/* set vm size, must be a multiple of 4 */
4075	WREG32(VM_CONTEXT1_PAGE_TABLE_START_ADDR, 0);
4076	WREG32(VM_CONTEXT1_PAGE_TABLE_END_ADDR, rdev->vm_manager.max_pfn);
4077	/* Assign the pt base to something valid for now; the pts used for
4078	 * the VMs are determined by the application and setup and assigned
4079	 * on the fly in the vm part of radeon_gart.c
4080	 */
4081	for (i = 1; i < 16; i++) {
4082		if (i < 8)
4083			WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2),
4084			       rdev->gart.table_addr >> 12);
4085		else
4086			WREG32(VM_CONTEXT8_PAGE_TABLE_BASE_ADDR + ((i - 8) << 2),
4087			       rdev->gart.table_addr >> 12);
4088	}
4089
4090	/* enable context1-15 */
4091	WREG32(VM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR,
4092	       (u32)(rdev->dummy_page.addr >> 12));
4093	WREG32(VM_CONTEXT1_CNTL2, 4);
4094	WREG32(VM_CONTEXT1_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(1) |
4095				RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
4096				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT |
4097				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
4098				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT |
4099				PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT |
4100				PDE0_PROTECTION_FAULT_ENABLE_DEFAULT |
4101				VALID_PROTECTION_FAULT_ENABLE_INTERRUPT |
4102				VALID_PROTECTION_FAULT_ENABLE_DEFAULT |
4103				READ_PROTECTION_FAULT_ENABLE_INTERRUPT |
4104				READ_PROTECTION_FAULT_ENABLE_DEFAULT |
4105				WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT |
4106				WRITE_PROTECTION_FAULT_ENABLE_DEFAULT);
4107
4108	si_pcie_gart_tlb_flush(rdev);
4109	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
4110		 (unsigned)(rdev->mc.gtt_size >> 20),
4111		 (unsigned long long)rdev->gart.table_addr);
4112	rdev->gart.ready = true;
4113	return 0;
4114}
4115
4116static void si_pcie_gart_disable(struct radeon_device *rdev)
4117{
4118	/* Disable all tables */
4119	WREG32(VM_CONTEXT0_CNTL, 0);
4120	WREG32(VM_CONTEXT1_CNTL, 0);
4121	/* Setup TLB control */
4122	WREG32(MC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE_NOT_IN_SYS |
4123	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
4124	/* Setup L2 cache */
4125	WREG32(VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
4126	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
4127	       EFFECTIVE_L2_QUEUE_SIZE(7) |
4128	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
4129	WREG32(VM_L2_CNTL2, 0);
4130	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
4131	       L2_CACHE_BIGK_FRAGMENT_SIZE(0));
4132	radeon_gart_table_vram_unpin(rdev);
4133}
4134
4135static void si_pcie_gart_fini(struct radeon_device *rdev)
4136{
4137	si_pcie_gart_disable(rdev);
4138	radeon_gart_table_vram_free(rdev);
4139	radeon_gart_fini(rdev);
4140}
4141
4142/* vm parser */
4143static bool si_vm_reg_valid(u32 reg)
4144{
4145	/* context regs are fine */
4146	if (reg >= 0x28000)
4147		return true;
4148
4149	/* check config regs */
4150	switch (reg) {
4151	case GRBM_GFX_INDEX:
4152	case CP_STRMOUT_CNTL:
4153	case VGT_VTX_VECT_EJECT_REG:
4154	case VGT_CACHE_INVALIDATION:
4155	case VGT_ESGS_RING_SIZE:
4156	case VGT_GSVS_RING_SIZE:
4157	case VGT_GS_VERTEX_REUSE:
4158	case VGT_PRIMITIVE_TYPE:
4159	case VGT_INDEX_TYPE:
4160	case VGT_NUM_INDICES:
4161	case VGT_NUM_INSTANCES:
4162	case VGT_TF_RING_SIZE:
4163	case VGT_HS_OFFCHIP_PARAM:
4164	case VGT_TF_MEMORY_BASE:
4165	case PA_CL_ENHANCE:
4166	case PA_SU_LINE_STIPPLE_VALUE:
4167	case PA_SC_LINE_STIPPLE_STATE:
4168	case PA_SC_ENHANCE:
4169	case SQC_CACHES:
4170	case SPI_STATIC_THREAD_MGMT_1:
4171	case SPI_STATIC_THREAD_MGMT_2:
4172	case SPI_STATIC_THREAD_MGMT_3:
4173	case SPI_PS_MAX_WAVE_ID:
4174	case SPI_CONFIG_CNTL:
4175	case SPI_CONFIG_CNTL_1:
4176	case TA_CNTL_AUX:
4177		return true;
4178	default:
4179		DRM_ERROR("Invalid register 0x%x in CS\n", reg);
4180		return false;
4181	}
4182}
4183
4184static int si_vm_packet3_ce_check(struct radeon_device *rdev,
4185				  u32 *ib, struct radeon_cs_packet *pkt)
4186{
4187	switch (pkt->opcode) {
4188	case PACKET3_NOP:
4189	case PACKET3_SET_BASE:
4190	case PACKET3_SET_CE_DE_COUNTERS:
4191	case PACKET3_LOAD_CONST_RAM:
4192	case PACKET3_WRITE_CONST_RAM:
4193	case PACKET3_WRITE_CONST_RAM_OFFSET:
4194	case PACKET3_DUMP_CONST_RAM:
4195	case PACKET3_INCREMENT_CE_COUNTER:
4196	case PACKET3_WAIT_ON_DE_COUNTER:
4197	case PACKET3_CE_WRITE:
4198		break;
4199	default:
4200		DRM_ERROR("Invalid CE packet3: 0x%x\n", pkt->opcode);
4201		return -EINVAL;
4202	}
4203	return 0;
4204}
4205
4206static int si_vm_packet3_cp_dma_check(u32 *ib, u32 idx)
4207{
4208	u32 start_reg, reg, i;
4209	u32 command = ib[idx + 4];
4210	u32 info = ib[idx + 1];
4211	u32 idx_value = ib[idx];
4212	if (command & PACKET3_CP_DMA_CMD_SAS) {
4213		/* src address space is register */
4214		if (((info & 0x60000000) >> 29) == 0) {
4215			start_reg = idx_value << 2;
4216			if (command & PACKET3_CP_DMA_CMD_SAIC) {
4217				reg = start_reg;
4218				if (!si_vm_reg_valid(reg)) {
4219					DRM_ERROR("CP DMA Bad SRC register\n");
4220					return -EINVAL;
4221				}
4222			} else {
4223				for (i = 0; i < (command & 0x1fffff); i++) {
4224					reg = start_reg + (4 * i);
4225					if (!si_vm_reg_valid(reg)) {
4226						DRM_ERROR("CP DMA Bad SRC register\n");
4227						return -EINVAL;
4228					}
4229				}
4230			}
4231		}
4232	}
4233	if (command & PACKET3_CP_DMA_CMD_DAS) {
4234		/* dst address space is register */
4235		if (((info & 0x00300000) >> 20) == 0) {
4236			start_reg = ib[idx + 2];
4237			if (command & PACKET3_CP_DMA_CMD_DAIC) {
4238				reg = start_reg;
4239				if (!si_vm_reg_valid(reg)) {
4240					DRM_ERROR("CP DMA Bad DST register\n");
4241					return -EINVAL;
4242				}
4243			} else {
4244				for (i = 0; i < (command & 0x1fffff); i++) {
4245					reg = start_reg + (4 * i);
4246				if (!si_vm_reg_valid(reg)) {
4247						DRM_ERROR("CP DMA Bad DST register\n");
4248						return -EINVAL;
4249					}
4250				}
4251			}
4252		}
4253	}
4254	return 0;
4255}
4256
4257static int si_vm_packet3_gfx_check(struct radeon_device *rdev,
4258				   u32 *ib, struct radeon_cs_packet *pkt)
4259{
4260	int r;
4261	u32 idx = pkt->idx + 1;
4262	u32 idx_value = ib[idx];
4263	u32 start_reg, end_reg, reg, i;
4264
4265	switch (pkt->opcode) {
4266	case PACKET3_NOP:
4267	case PACKET3_SET_BASE:
4268	case PACKET3_CLEAR_STATE:
4269	case PACKET3_INDEX_BUFFER_SIZE:
4270	case PACKET3_DISPATCH_DIRECT:
4271	case PACKET3_DISPATCH_INDIRECT:
4272	case PACKET3_ALLOC_GDS:
4273	case PACKET3_WRITE_GDS_RAM:
4274	case PACKET3_ATOMIC_GDS:
4275	case PACKET3_ATOMIC:
4276	case PACKET3_OCCLUSION_QUERY:
4277	case PACKET3_SET_PREDICATION:
4278	case PACKET3_COND_EXEC:
4279	case PACKET3_PRED_EXEC:
4280	case PACKET3_DRAW_INDIRECT:
4281	case PACKET3_DRAW_INDEX_INDIRECT:
4282	case PACKET3_INDEX_BASE:
4283	case PACKET3_DRAW_INDEX_2:
4284	case PACKET3_CONTEXT_CONTROL:
4285	case PACKET3_INDEX_TYPE:
4286	case PACKET3_DRAW_INDIRECT_MULTI:
4287	case PACKET3_DRAW_INDEX_AUTO:
4288	case PACKET3_DRAW_INDEX_IMMD:
4289	case PACKET3_NUM_INSTANCES:
4290	case PACKET3_DRAW_INDEX_MULTI_AUTO:
4291	case PACKET3_STRMOUT_BUFFER_UPDATE:
4292	case PACKET3_DRAW_INDEX_OFFSET_2:
4293	case PACKET3_DRAW_INDEX_MULTI_ELEMENT:
4294	case PACKET3_DRAW_INDEX_INDIRECT_MULTI:
4295	case PACKET3_MPEG_INDEX:
4296	case PACKET3_WAIT_REG_MEM:
4297	case PACKET3_MEM_WRITE:
4298	case PACKET3_PFP_SYNC_ME:
4299	case PACKET3_SURFACE_SYNC:
4300	case PACKET3_EVENT_WRITE:
4301	case PACKET3_EVENT_WRITE_EOP:
4302	case PACKET3_EVENT_WRITE_EOS:
4303	case PACKET3_SET_CONTEXT_REG:
4304	case PACKET3_SET_CONTEXT_REG_INDIRECT:
4305	case PACKET3_SET_SH_REG:
4306	case PACKET3_SET_SH_REG_OFFSET:
4307	case PACKET3_INCREMENT_DE_COUNTER:
4308	case PACKET3_WAIT_ON_CE_COUNTER:
4309	case PACKET3_WAIT_ON_AVAIL_BUFFER:
4310	case PACKET3_ME_WRITE:
4311		break;
4312	case PACKET3_COPY_DATA:
4313		if ((idx_value & 0xf00) == 0) {
4314			reg = ib[idx + 3] * 4;
4315			if (!si_vm_reg_valid(reg))
4316				return -EINVAL;
4317		}
4318		break;
4319	case PACKET3_WRITE_DATA:
4320		if ((idx_value & 0xf00) == 0) {
4321			start_reg = ib[idx + 1] * 4;
4322			if (idx_value & 0x10000) {
4323				if (!si_vm_reg_valid(start_reg))
4324					return -EINVAL;
4325			} else {
4326				for (i = 0; i < (pkt->count - 2); i++) {
4327					reg = start_reg + (4 * i);
4328					if (!si_vm_reg_valid(reg))
4329						return -EINVAL;
4330				}
4331			}
4332		}
4333		break;
4334	case PACKET3_COND_WRITE:
4335		if (idx_value & 0x100) {
4336			reg = ib[idx + 5] * 4;
4337			if (!si_vm_reg_valid(reg))
4338				return -EINVAL;
4339		}
4340		break;
4341	case PACKET3_COPY_DW:
4342		if (idx_value & 0x2) {
4343			reg = ib[idx + 3] * 4;
4344			if (!si_vm_reg_valid(reg))
4345				return -EINVAL;
4346		}
4347		break;
4348	case PACKET3_SET_CONFIG_REG:
4349		start_reg = (idx_value << 2) + PACKET3_SET_CONFIG_REG_START;
4350		end_reg = 4 * pkt->count + start_reg - 4;
4351		if ((start_reg < PACKET3_SET_CONFIG_REG_START) ||
4352		    (start_reg >= PACKET3_SET_CONFIG_REG_END) ||
4353		    (end_reg >= PACKET3_SET_CONFIG_REG_END)) {
4354			DRM_ERROR("bad PACKET3_SET_CONFIG_REG\n");
4355			return -EINVAL;
4356		}
4357		for (i = 0; i < pkt->count; i++) {
4358			reg = start_reg + (4 * i);
4359			if (!si_vm_reg_valid(reg))
4360				return -EINVAL;
4361		}
4362		break;
4363	case PACKET3_CP_DMA:
4364		r = si_vm_packet3_cp_dma_check(ib, idx);
4365		if (r)
4366			return r;
4367		break;
4368	default:
4369		DRM_ERROR("Invalid GFX packet3: 0x%x\n", pkt->opcode);
4370		return -EINVAL;
4371	}
4372	return 0;
4373}
4374
4375static int si_vm_packet3_compute_check(struct radeon_device *rdev,
4376				       u32 *ib, struct radeon_cs_packet *pkt)
4377{
4378	int r;
4379	u32 idx = pkt->idx + 1;
4380	u32 idx_value = ib[idx];
4381	u32 start_reg, reg, i;
4382
4383	switch (pkt->opcode) {
4384	case PACKET3_NOP:
4385	case PACKET3_SET_BASE:
4386	case PACKET3_CLEAR_STATE:
4387	case PACKET3_DISPATCH_DIRECT:
4388	case PACKET3_DISPATCH_INDIRECT:
4389	case PACKET3_ALLOC_GDS:
4390	case PACKET3_WRITE_GDS_RAM:
4391	case PACKET3_ATOMIC_GDS:
4392	case PACKET3_ATOMIC:
4393	case PACKET3_OCCLUSION_QUERY:
4394	case PACKET3_SET_PREDICATION:
4395	case PACKET3_COND_EXEC:
4396	case PACKET3_PRED_EXEC:
4397	case PACKET3_CONTEXT_CONTROL:
4398	case PACKET3_STRMOUT_BUFFER_UPDATE:
4399	case PACKET3_WAIT_REG_MEM:
4400	case PACKET3_MEM_WRITE:
4401	case PACKET3_PFP_SYNC_ME:
4402	case PACKET3_SURFACE_SYNC:
4403	case PACKET3_EVENT_WRITE:
4404	case PACKET3_EVENT_WRITE_EOP:
4405	case PACKET3_EVENT_WRITE_EOS:
4406	case PACKET3_SET_CONTEXT_REG:
4407	case PACKET3_SET_CONTEXT_REG_INDIRECT:
4408	case PACKET3_SET_SH_REG:
4409	case PACKET3_SET_SH_REG_OFFSET:
4410	case PACKET3_INCREMENT_DE_COUNTER:
4411	case PACKET3_WAIT_ON_CE_COUNTER:
4412	case PACKET3_WAIT_ON_AVAIL_BUFFER:
4413	case PACKET3_ME_WRITE:
4414		break;
4415	case PACKET3_COPY_DATA:
4416		if ((idx_value & 0xf00) == 0) {
4417			reg = ib[idx + 3] * 4;
4418			if (!si_vm_reg_valid(reg))
4419				return -EINVAL;
4420		}
4421		break;
4422	case PACKET3_WRITE_DATA:
4423		if ((idx_value & 0xf00) == 0) {
4424			start_reg = ib[idx + 1] * 4;
4425			if (idx_value & 0x10000) {
4426				if (!si_vm_reg_valid(start_reg))
4427					return -EINVAL;
4428			} else {
4429				for (i = 0; i < (pkt->count - 2); i++) {
4430					reg = start_reg + (4 * i);
4431					if (!si_vm_reg_valid(reg))
4432						return -EINVAL;
4433				}
4434			}
4435		}
4436		break;
4437	case PACKET3_COND_WRITE:
4438		if (idx_value & 0x100) {
4439			reg = ib[idx + 5] * 4;
4440			if (!si_vm_reg_valid(reg))
4441				return -EINVAL;
4442		}
4443		break;
4444	case PACKET3_COPY_DW:
4445		if (idx_value & 0x2) {
4446			reg = ib[idx + 3] * 4;
4447			if (!si_vm_reg_valid(reg))
4448				return -EINVAL;
4449		}
4450		break;
4451	case PACKET3_CP_DMA:
4452		r = si_vm_packet3_cp_dma_check(ib, idx);
4453		if (r)
4454			return r;
4455		break;
4456	default:
4457		DRM_ERROR("Invalid Compute packet3: 0x%x\n", pkt->opcode);
4458		return -EINVAL;
4459	}
4460	return 0;
4461}
4462
4463int si_ib_parse(struct radeon_device *rdev, struct radeon_ib *ib)
4464{
4465	int ret = 0;
4466	u32 idx = 0;
4467	struct radeon_cs_packet pkt;
4468
4469	do {
4470		pkt.idx = idx;
4471		pkt.type = RADEON_CP_PACKET_GET_TYPE(ib->ptr[idx]);
4472		pkt.count = RADEON_CP_PACKET_GET_COUNT(ib->ptr[idx]);
4473		pkt.one_reg_wr = 0;
4474		switch (pkt.type) {
4475		case RADEON_PACKET_TYPE0:
4476			dev_err(rdev->dev, "Packet0 not allowed!\n");
4477			ret = -EINVAL;
4478			break;
4479		case RADEON_PACKET_TYPE2:
4480			idx += 1;
4481			break;
4482		case RADEON_PACKET_TYPE3:
4483			pkt.opcode = RADEON_CP_PACKET3_GET_OPCODE(ib->ptr[idx]);
4484			if (ib->is_const_ib)
4485				ret = si_vm_packet3_ce_check(rdev, ib->ptr, &pkt);
4486			else {
4487				switch (ib->ring) {
4488				case RADEON_RING_TYPE_GFX_INDEX:
4489					ret = si_vm_packet3_gfx_check(rdev, ib->ptr, &pkt);
4490					break;
4491				case CAYMAN_RING_TYPE_CP1_INDEX:
4492				case CAYMAN_RING_TYPE_CP2_INDEX:
4493					ret = si_vm_packet3_compute_check(rdev, ib->ptr, &pkt);
4494					break;
4495				default:
4496					dev_err(rdev->dev, "Non-PM4 ring %d !\n", ib->ring);
4497					ret = -EINVAL;
4498					break;
4499				}
4500			}
4501			idx += pkt.count + 2;
4502			break;
4503		default:
4504			dev_err(rdev->dev, "Unknown packet type %d !\n", pkt.type);
4505			ret = -EINVAL;
4506			break;
4507		}
4508		if (ret)
4509			break;
4510	} while (idx < ib->length_dw);
4511
4512	return ret;
4513}
4514
4515/*
4516 * vm
4517 */
4518int si_vm_init(struct radeon_device *rdev)
4519{
4520	/* number of VMs */
4521	rdev->vm_manager.nvm = 16;
4522	/* base offset of vram pages */
4523	rdev->vm_manager.vram_base_offset = 0;
4524
4525	return 0;
4526}
4527
4528void si_vm_fini(struct radeon_device *rdev)
4529{
4530}
4531
4532/**
4533 * si_vm_decode_fault - print human readable fault info
4534 *
4535 * @rdev: radeon_device pointer
4536 * @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value
4537 * @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value
4538 *
4539 * Print human readable fault information (SI).
4540 */
4541static void si_vm_decode_fault(struct radeon_device *rdev,
4542			       u32 status, u32 addr)
4543{
4544	u32 mc_id = (status & MEMORY_CLIENT_ID_MASK) >> MEMORY_CLIENT_ID_SHIFT;
4545	u32 vmid = (status & FAULT_VMID_MASK) >> FAULT_VMID_SHIFT;
4546	u32 protections = (status & PROTECTIONS_MASK) >> PROTECTIONS_SHIFT;
4547	char *block;
4548
4549	if (rdev->family == CHIP_TAHITI) {
4550		switch (mc_id) {
4551		case 160:
4552		case 144:
4553		case 96:
4554		case 80:
4555		case 224:
4556		case 208:
4557		case 32:
4558		case 16:
4559			block = "CB";
4560			break;
4561		case 161:
4562		case 145:
4563		case 97:
4564		case 81:
4565		case 225:
4566		case 209:
4567		case 33:
4568		case 17:
4569			block = "CB_FMASK";
4570			break;
4571		case 162:
4572		case 146:
4573		case 98:
4574		case 82:
4575		case 226:
4576		case 210:
4577		case 34:
4578		case 18:
4579			block = "CB_CMASK";
4580			break;
4581		case 163:
4582		case 147:
4583		case 99:
4584		case 83:
4585		case 227:
4586		case 211:
4587		case 35:
4588		case 19:
4589			block = "CB_IMMED";
4590			break;
4591		case 164:
4592		case 148:
4593		case 100:
4594		case 84:
4595		case 228:
4596		case 212:
4597		case 36:
4598		case 20:
4599			block = "DB";
4600			break;
4601		case 165:
4602		case 149:
4603		case 101:
4604		case 85:
4605		case 229:
4606		case 213:
4607		case 37:
4608		case 21:
4609			block = "DB_HTILE";
4610			break;
4611		case 167:
4612		case 151:
4613		case 103:
4614		case 87:
4615		case 231:
4616		case 215:
4617		case 39:
4618		case 23:
4619			block = "DB_STEN";
4620			break;
4621		case 72:
4622		case 68:
4623		case 64:
4624		case 8:
4625		case 4:
4626		case 0:
4627		case 136:
4628		case 132:
4629		case 128:
4630		case 200:
4631		case 196:
4632		case 192:
4633			block = "TC";
4634			break;
4635		case 112:
4636		case 48:
4637			block = "CP";
4638			break;
4639		case 49:
4640		case 177:
4641		case 50:
4642		case 178:
4643			block = "SH";
4644			break;
4645		case 53:
4646		case 190:
4647			block = "VGT";
4648			break;
4649		case 117:
4650			block = "IH";
4651			break;
4652		case 51:
4653		case 115:
4654			block = "RLC";
4655			break;
4656		case 119:
4657		case 183:
4658			block = "DMA0";
4659			break;
4660		case 61:
4661			block = "DMA1";
4662			break;
4663		case 248:
4664		case 120:
4665			block = "HDP";
4666			break;
4667		default:
4668			block = "unknown";
4669			break;
4670		}
4671	} else {
4672		switch (mc_id) {
4673		case 32:
4674		case 16:
4675		case 96:
4676		case 80:
4677		case 160:
4678		case 144:
4679		case 224:
4680		case 208:
4681			block = "CB";
4682			break;
4683		case 33:
4684		case 17:
4685		case 97:
4686		case 81:
4687		case 161:
4688		case 145:
4689		case 225:
4690		case 209:
4691			block = "CB_FMASK";
4692			break;
4693		case 34:
4694		case 18:
4695		case 98:
4696		case 82:
4697		case 162:
4698		case 146:
4699		case 226:
4700		case 210:
4701			block = "CB_CMASK";
4702			break;
4703		case 35:
4704		case 19:
4705		case 99:
4706		case 83:
4707		case 163:
4708		case 147:
4709		case 227:
4710		case 211:
4711			block = "CB_IMMED";
4712			break;
4713		case 36:
4714		case 20:
4715		case 100:
4716		case 84:
4717		case 164:
4718		case 148:
4719		case 228:
4720		case 212:
4721			block = "DB";
4722			break;
4723		case 37:
4724		case 21:
4725		case 101:
4726		case 85:
4727		case 165:
4728		case 149:
4729		case 229:
4730		case 213:
4731			block = "DB_HTILE";
4732			break;
4733		case 39:
4734		case 23:
4735		case 103:
4736		case 87:
4737		case 167:
4738		case 151:
4739		case 231:
4740		case 215:
4741			block = "DB_STEN";
4742			break;
4743		case 72:
4744		case 68:
4745		case 8:
4746		case 4:
4747		case 136:
4748		case 132:
4749		case 200:
4750		case 196:
4751			block = "TC";
4752			break;
4753		case 112:
4754		case 48:
4755			block = "CP";
4756			break;
4757		case 49:
4758		case 177:
4759		case 50:
4760		case 178:
4761			block = "SH";
4762			break;
4763		case 53:
4764			block = "VGT";
4765			break;
4766		case 117:
4767			block = "IH";
4768			break;
4769		case 51:
4770		case 115:
4771			block = "RLC";
4772			break;
4773		case 119:
4774		case 183:
4775			block = "DMA0";
4776			break;
4777		case 61:
4778			block = "DMA1";
4779			break;
4780		case 248:
4781		case 120:
4782			block = "HDP";
4783			break;
4784		default:
4785			block = "unknown";
4786			break;
4787		}
4788	}
4789
4790	printk("VM fault (0x%02x, vmid %d) at page %u, %s from %s (%d)\n",
4791	       protections, vmid, addr,
4792	       (status & MEMORY_CLIENT_RW_MASK) ? "write" : "read",
4793	       block, mc_id);
4794}
4795
4796void si_vm_flush(struct radeon_device *rdev, int ridx, struct radeon_vm *vm)
4797{
4798	struct radeon_ring *ring = &rdev->ring[ridx];
4799
4800	if (vm == NULL)
4801		return;
4802
4803	/* write new base address */
4804	radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
4805	radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(0) |
4806				 WRITE_DATA_DST_SEL(0)));
4807
4808	if (vm->id < 8) {
4809		radeon_ring_write(ring,
4810				  (VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm->id << 2)) >> 2);
4811	} else {
4812		radeon_ring_write(ring,
4813				  (VM_CONTEXT8_PAGE_TABLE_BASE_ADDR + ((vm->id - 8) << 2)) >> 2);
4814	}
4815	radeon_ring_write(ring, 0);
4816	radeon_ring_write(ring, vm->pd_gpu_addr >> 12);
4817
4818	/* flush hdp cache */
4819	radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
4820	radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(0) |
4821				 WRITE_DATA_DST_SEL(0)));
4822	radeon_ring_write(ring, HDP_MEM_COHERENCY_FLUSH_CNTL >> 2);
4823	radeon_ring_write(ring, 0);
4824	radeon_ring_write(ring, 0x1);
4825
4826	/* bits 0-15 are the VM contexts0-15 */
4827	radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
4828	radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(0) |
4829				 WRITE_DATA_DST_SEL(0)));
4830	radeon_ring_write(ring, VM_INVALIDATE_REQUEST >> 2);
4831	radeon_ring_write(ring, 0);
4832	radeon_ring_write(ring, 1 << vm->id);
4833
4834	/* sync PFP to ME, otherwise we might get invalid PFP reads */
4835	radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0));
4836	radeon_ring_write(ring, 0x0);
4837}
4838
4839/*
4840 *  Power and clock gating
4841 */
4842static void si_wait_for_rlc_serdes(struct radeon_device *rdev)
4843{
4844	int i;
4845
4846	for (i = 0; i < rdev->usec_timeout; i++) {
4847		if (RREG32(RLC_SERDES_MASTER_BUSY_0) == 0)
4848			break;
4849		udelay(1);
4850	}
4851
4852	for (i = 0; i < rdev->usec_timeout; i++) {
4853		if (RREG32(RLC_SERDES_MASTER_BUSY_1) == 0)
4854			break;
4855		udelay(1);
4856	}
4857}
4858
4859static void si_enable_gui_idle_interrupt(struct radeon_device *rdev,
4860					 bool enable)
4861{
4862	u32 tmp = RREG32(CP_INT_CNTL_RING0);
4863	u32 mask;
4864	int i;
4865
4866	if (enable)
4867		tmp |= (CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
4868	else
4869		tmp &= ~(CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
4870	WREG32(CP_INT_CNTL_RING0, tmp);
4871
4872	if (!enable) {
4873		/* read a gfx register */
4874		tmp = RREG32(DB_DEPTH_INFO);
4875
4876		mask = RLC_BUSY_STATUS | GFX_POWER_STATUS | GFX_CLOCK_STATUS | GFX_LS_STATUS;
4877		for (i = 0; i < rdev->usec_timeout; i++) {
4878			if ((RREG32(RLC_STAT) & mask) == (GFX_CLOCK_STATUS | GFX_POWER_STATUS))
4879				break;
4880			udelay(1);
4881		}
4882	}
4883}
4884
4885static void si_set_uvd_dcm(struct radeon_device *rdev,
4886			   bool sw_mode)
4887{
4888	u32 tmp, tmp2;
4889
4890	tmp = RREG32(UVD_CGC_CTRL);
4891	tmp &= ~(CLK_OD_MASK | CG_DT_MASK);
4892	tmp |= DCM | CG_DT(1) | CLK_OD(4);
4893
4894	if (sw_mode) {
4895		tmp &= ~0x7ffff800;
4896		tmp2 = DYN_OR_EN | DYN_RR_EN | G_DIV_ID(7);
4897	} else {
4898		tmp |= 0x7ffff800;
4899		tmp2 = 0;
4900	}
4901
4902	WREG32(UVD_CGC_CTRL, tmp);
4903	WREG32_UVD_CTX(UVD_CGC_CTRL2, tmp2);
4904}
4905
4906void si_init_uvd_internal_cg(struct radeon_device *rdev)
4907{
4908	bool hw_mode = true;
4909
4910	if (hw_mode) {
4911		si_set_uvd_dcm(rdev, false);
4912	} else {
4913		u32 tmp = RREG32(UVD_CGC_CTRL);
4914		tmp &= ~DCM;
4915		WREG32(UVD_CGC_CTRL, tmp);
4916	}
4917}
4918
4919static u32 si_halt_rlc(struct radeon_device *rdev)
4920{
4921	u32 data, orig;
4922
4923	orig = data = RREG32(RLC_CNTL);
4924
4925	if (data & RLC_ENABLE) {
4926		data &= ~RLC_ENABLE;
4927		WREG32(RLC_CNTL, data);
4928
4929		si_wait_for_rlc_serdes(rdev);
4930	}
4931
4932	return orig;
4933}
4934
4935static void si_update_rlc(struct radeon_device *rdev, u32 rlc)
4936{
4937	u32 tmp;
4938
4939	tmp = RREG32(RLC_CNTL);
4940	if (tmp != rlc)
4941		WREG32(RLC_CNTL, rlc);
4942}
4943
4944static void si_enable_dma_pg(struct radeon_device *rdev, bool enable)
4945{
4946	u32 data, orig;
4947
4948	orig = data = RREG32(DMA_PG);
4949	if (enable && (rdev->pg_flags & RADEON_PG_SUPPORT_SDMA))
4950		data |= PG_CNTL_ENABLE;
4951	else
4952		data &= ~PG_CNTL_ENABLE;
4953	if (orig != data)
4954		WREG32(DMA_PG, data);
4955}
4956
4957static void si_init_dma_pg(struct radeon_device *rdev)
4958{
4959	u32 tmp;
4960
4961	WREG32(DMA_PGFSM_WRITE,  0x00002000);
4962	WREG32(DMA_PGFSM_CONFIG, 0x100010ff);
4963
4964	for (tmp = 0; tmp < 5; tmp++)
4965		WREG32(DMA_PGFSM_WRITE, 0);
4966}
4967
4968static void si_enable_gfx_cgpg(struct radeon_device *rdev,
4969			       bool enable)
4970{
4971	u32 tmp;
4972
4973	if (enable && (rdev->pg_flags & RADEON_PG_SUPPORT_GFX_PG)) {
4974		tmp = RLC_PUD(0x10) | RLC_PDD(0x10) | RLC_TTPD(0x10) | RLC_MSD(0x10);
4975		WREG32(RLC_TTOP_D, tmp);
4976
4977		tmp = RREG32(RLC_PG_CNTL);
4978		tmp |= GFX_PG_ENABLE;
4979		WREG32(RLC_PG_CNTL, tmp);
4980
4981		tmp = RREG32(RLC_AUTO_PG_CTRL);
4982		tmp |= AUTO_PG_EN;
4983		WREG32(RLC_AUTO_PG_CTRL, tmp);
4984	} else {
4985		tmp = RREG32(RLC_AUTO_PG_CTRL);
4986		tmp &= ~AUTO_PG_EN;
4987		WREG32(RLC_AUTO_PG_CTRL, tmp);
4988
4989		tmp = RREG32(DB_RENDER_CONTROL);
4990	}
4991}
4992
4993static void si_init_gfx_cgpg(struct radeon_device *rdev)
4994{
4995	u32 tmp;
4996
4997	WREG32(RLC_SAVE_AND_RESTORE_BASE, rdev->rlc.save_restore_gpu_addr >> 8);
4998
4999	tmp = RREG32(RLC_PG_CNTL);
5000	tmp |= GFX_PG_SRC;
5001	WREG32(RLC_PG_CNTL, tmp);
5002
5003	WREG32(RLC_CLEAR_STATE_RESTORE_BASE, rdev->rlc.clear_state_gpu_addr >> 8);
5004
5005	tmp = RREG32(RLC_AUTO_PG_CTRL);
5006
5007	tmp &= ~GRBM_REG_SGIT_MASK;
5008	tmp |= GRBM_REG_SGIT(0x700);
5009	tmp &= ~PG_AFTER_GRBM_REG_ST_MASK;
5010	WREG32(RLC_AUTO_PG_CTRL, tmp);
5011}
5012
5013static u32 si_get_cu_active_bitmap(struct radeon_device *rdev, u32 se, u32 sh)
5014{
5015	u32 mask = 0, tmp, tmp1;
5016	int i;
5017
5018	si_select_se_sh(rdev, se, sh);
5019	tmp = RREG32(CC_GC_SHADER_ARRAY_CONFIG);
5020	tmp1 = RREG32(GC_USER_SHADER_ARRAY_CONFIG);
5021	si_select_se_sh(rdev, 0xffffffff, 0xffffffff);
5022
5023	tmp &= 0xffff0000;
5024
5025	tmp |= tmp1;
5026	tmp >>= 16;
5027
5028	for (i = 0; i < rdev->config.si.max_cu_per_sh; i ++) {
5029		mask <<= 1;
5030		mask |= 1;
5031	}
5032
5033	return (~tmp) & mask;
5034}
5035
5036static void si_init_ao_cu_mask(struct radeon_device *rdev)
5037{
5038	u32 i, j, k, active_cu_number = 0;
5039	u32 mask, counter, cu_bitmap;
5040	u32 tmp = 0;
5041
5042	for (i = 0; i < rdev->config.si.max_shader_engines; i++) {
5043		for (j = 0; j < rdev->config.si.max_sh_per_se; j++) {
5044			mask = 1;
5045			cu_bitmap = 0;
5046			counter  = 0;
5047			for (k = 0; k < rdev->config.si.max_cu_per_sh; k++) {
5048				if (si_get_cu_active_bitmap(rdev, i, j) & mask) {
5049					if (counter < 2)
5050						cu_bitmap |= mask;
5051					counter++;
5052				}
5053				mask <<= 1;
5054			}
5055
5056			active_cu_number += counter;
5057			tmp |= (cu_bitmap << (i * 16 + j * 8));
5058		}
5059	}
5060
5061	WREG32(RLC_PG_AO_CU_MASK, tmp);
5062
5063	tmp = RREG32(RLC_MAX_PG_CU);
5064	tmp &= ~MAX_PU_CU_MASK;
5065	tmp |= MAX_PU_CU(active_cu_number);
5066	WREG32(RLC_MAX_PG_CU, tmp);
5067}
5068
5069static void si_enable_cgcg(struct radeon_device *rdev,
5070			   bool enable)
5071{
5072	u32 data, orig, tmp;
5073
5074	orig = data = RREG32(RLC_CGCG_CGLS_CTRL);
5075
5076	if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_GFX_CGCG)) {
5077		si_enable_gui_idle_interrupt(rdev, true);
5078
5079		WREG32(RLC_GCPM_GENERAL_3, 0x00000080);
5080
5081		tmp = si_halt_rlc(rdev);
5082
5083		WREG32(RLC_SERDES_WR_MASTER_MASK_0, 0xffffffff);
5084		WREG32(RLC_SERDES_WR_MASTER_MASK_1, 0xffffffff);
5085		WREG32(RLC_SERDES_WR_CTRL, 0x00b000ff);
5086
5087		si_wait_for_rlc_serdes(rdev);
5088
5089		si_update_rlc(rdev, tmp);
5090
5091		WREG32(RLC_SERDES_WR_CTRL, 0x007000ff);
5092
5093		data |= CGCG_EN | CGLS_EN;
5094	} else {
5095		si_enable_gui_idle_interrupt(rdev, false);
5096
5097		RREG32(CB_CGTT_SCLK_CTRL);
5098		RREG32(CB_CGTT_SCLK_CTRL);
5099		RREG32(CB_CGTT_SCLK_CTRL);
5100		RREG32(CB_CGTT_SCLK_CTRL);
5101
5102		data &= ~(CGCG_EN | CGLS_EN);
5103	}
5104
5105	if (orig != data)
5106		WREG32(RLC_CGCG_CGLS_CTRL, data);
5107}
5108
5109static void si_enable_mgcg(struct radeon_device *rdev,
5110			   bool enable)
5111{
5112	u32 data, orig, tmp = 0;
5113
5114	if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_GFX_MGCG)) {
5115		orig = data = RREG32(CGTS_SM_CTRL_REG);
5116		data = 0x96940200;
5117		if (orig != data)
5118			WREG32(CGTS_SM_CTRL_REG, data);
5119
5120		if (rdev->cg_flags & RADEON_CG_SUPPORT_GFX_CP_LS) {
5121			orig = data = RREG32(CP_MEM_SLP_CNTL);
5122			data |= CP_MEM_LS_EN;
5123			if (orig != data)
5124				WREG32(CP_MEM_SLP_CNTL, data);
5125		}
5126
5127		orig = data = RREG32(RLC_CGTT_MGCG_OVERRIDE);
5128		data &= 0xffffffc0;
5129		if (orig != data)
5130			WREG32(RLC_CGTT_MGCG_OVERRIDE, data);
5131
5132		tmp = si_halt_rlc(rdev);
5133
5134		WREG32(RLC_SERDES_WR_MASTER_MASK_0, 0xffffffff);
5135		WREG32(RLC_SERDES_WR_MASTER_MASK_1, 0xffffffff);
5136		WREG32(RLC_SERDES_WR_CTRL, 0x00d000ff);
5137
5138		si_update_rlc(rdev, tmp);
5139	} else {
5140		orig = data = RREG32(RLC_CGTT_MGCG_OVERRIDE);
5141		data |= 0x00000003;
5142		if (orig != data)
5143			WREG32(RLC_CGTT_MGCG_OVERRIDE, data);
5144
5145		data = RREG32(CP_MEM_SLP_CNTL);
5146		if (data & CP_MEM_LS_EN) {
5147			data &= ~CP_MEM_LS_EN;
5148			WREG32(CP_MEM_SLP_CNTL, data);
5149		}
5150		orig = data = RREG32(CGTS_SM_CTRL_REG);
5151		data |= LS_OVERRIDE | OVERRIDE;
5152		if (orig != data)
5153			WREG32(CGTS_SM_CTRL_REG, data);
5154
5155		tmp = si_halt_rlc(rdev);
5156
5157		WREG32(RLC_SERDES_WR_MASTER_MASK_0, 0xffffffff);
5158		WREG32(RLC_SERDES_WR_MASTER_MASK_1, 0xffffffff);
5159		WREG32(RLC_SERDES_WR_CTRL, 0x00e000ff);
5160
5161		si_update_rlc(rdev, tmp);
5162	}
5163}
5164
5165static void si_enable_uvd_mgcg(struct radeon_device *rdev,
5166			       bool enable)
5167{
5168	u32 orig, data, tmp;
5169
5170	if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_UVD_MGCG)) {
5171		tmp = RREG32_UVD_CTX(UVD_CGC_MEM_CTRL);
5172		tmp |= 0x3fff;
5173		WREG32_UVD_CTX(UVD_CGC_MEM_CTRL, tmp);
5174
5175		orig = data = RREG32(UVD_CGC_CTRL);
5176		data |= DCM;
5177		if (orig != data)
5178			WREG32(UVD_CGC_CTRL, data);
5179
5180		WREG32_SMC(SMC_CG_IND_START + CG_CGTT_LOCAL_0, 0);
5181		WREG32_SMC(SMC_CG_IND_START + CG_CGTT_LOCAL_1, 0);
5182	} else {
5183		tmp = RREG32_UVD_CTX(UVD_CGC_MEM_CTRL);
5184		tmp &= ~0x3fff;
5185		WREG32_UVD_CTX(UVD_CGC_MEM_CTRL, tmp);
5186
5187		orig = data = RREG32(UVD_CGC_CTRL);
5188		data &= ~DCM;
5189		if (orig != data)
5190			WREG32(UVD_CGC_CTRL, data);
5191
5192		WREG32_SMC(SMC_CG_IND_START + CG_CGTT_LOCAL_0, 0xffffffff);
5193		WREG32_SMC(SMC_CG_IND_START + CG_CGTT_LOCAL_1, 0xffffffff);
5194	}
5195}
5196
5197static const u32 mc_cg_registers[] =
5198{
5199	MC_HUB_MISC_HUB_CG,
5200	MC_HUB_MISC_SIP_CG,
5201	MC_HUB_MISC_VM_CG,
5202	MC_XPB_CLK_GAT,
5203	ATC_MISC_CG,
5204	MC_CITF_MISC_WR_CG,
5205	MC_CITF_MISC_RD_CG,
5206	MC_CITF_MISC_VM_CG,
5207	VM_L2_CG,
5208};
5209
5210static void si_enable_mc_ls(struct radeon_device *rdev,
5211			    bool enable)
5212{
5213	int i;
5214	u32 orig, data;
5215
5216	for (i = 0; i < ARRAY_SIZE(mc_cg_registers); i++) {
5217		orig = data = RREG32(mc_cg_registers[i]);
5218		if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_MC_LS))
5219			data |= MC_LS_ENABLE;
5220		else
5221			data &= ~MC_LS_ENABLE;
5222		if (data != orig)
5223			WREG32(mc_cg_registers[i], data);
5224	}
5225}
5226
5227static void si_enable_mc_mgcg(struct radeon_device *rdev,
5228			       bool enable)
5229{
5230	int i;
5231	u32 orig, data;
5232
5233	for (i = 0; i < ARRAY_SIZE(mc_cg_registers); i++) {
5234		orig = data = RREG32(mc_cg_registers[i]);
5235		if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_MC_MGCG))
5236			data |= MC_CG_ENABLE;
5237		else
5238			data &= ~MC_CG_ENABLE;
5239		if (data != orig)
5240			WREG32(mc_cg_registers[i], data);
5241	}
5242}
5243
5244static void si_enable_dma_mgcg(struct radeon_device *rdev,
5245			       bool enable)
5246{
5247	u32 orig, data, offset;
5248	int i;
5249
5250	if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_SDMA_MGCG)) {
5251		for (i = 0; i < 2; i++) {
5252			if (i == 0)
5253				offset = DMA0_REGISTER_OFFSET;
5254			else
5255				offset = DMA1_REGISTER_OFFSET;
5256			orig = data = RREG32(DMA_POWER_CNTL + offset);
5257			data &= ~MEM_POWER_OVERRIDE;
5258			if (data != orig)
5259				WREG32(DMA_POWER_CNTL + offset, data);
5260			WREG32(DMA_CLK_CTRL + offset, 0x00000100);
5261		}
5262	} else {
5263		for (i = 0; i < 2; i++) {
5264			if (i == 0)
5265				offset = DMA0_REGISTER_OFFSET;
5266			else
5267				offset = DMA1_REGISTER_OFFSET;
5268			orig = data = RREG32(DMA_POWER_CNTL + offset);
5269			data |= MEM_POWER_OVERRIDE;
5270			if (data != orig)
5271				WREG32(DMA_POWER_CNTL + offset, data);
5272
5273			orig = data = RREG32(DMA_CLK_CTRL + offset);
5274			data = 0xff000000;
5275			if (data != orig)
5276				WREG32(DMA_CLK_CTRL + offset, data);
5277		}
5278	}
5279}
5280
5281static void si_enable_bif_mgls(struct radeon_device *rdev,
5282			       bool enable)
5283{
5284	u32 orig, data;
5285
5286	orig = data = RREG32_PCIE(PCIE_CNTL2);
5287
5288	if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_BIF_LS))
5289		data |= SLV_MEM_LS_EN | MST_MEM_LS_EN |
5290			REPLAY_MEM_LS_EN | SLV_MEM_AGGRESSIVE_LS_EN;
5291	else
5292		data &= ~(SLV_MEM_LS_EN | MST_MEM_LS_EN |
5293			  REPLAY_MEM_LS_EN | SLV_MEM_AGGRESSIVE_LS_EN);
5294
5295	if (orig != data)
5296		WREG32_PCIE(PCIE_CNTL2, data);
5297}
5298
5299static void si_enable_hdp_mgcg(struct radeon_device *rdev,
5300			       bool enable)
5301{
5302	u32 orig, data;
5303
5304	orig = data = RREG32(HDP_HOST_PATH_CNTL);
5305
5306	if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_HDP_MGCG))
5307		data &= ~CLOCK_GATING_DIS;
5308	else
5309		data |= CLOCK_GATING_DIS;
5310
5311	if (orig != data)
5312		WREG32(HDP_HOST_PATH_CNTL, data);
5313}
5314
5315static void si_enable_hdp_ls(struct radeon_device *rdev,
5316			     bool enable)
5317{
5318	u32 orig, data;
5319
5320	orig = data = RREG32(HDP_MEM_POWER_LS);
5321
5322	if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_HDP_LS))
5323		data |= HDP_LS_ENABLE;
5324	else
5325		data &= ~HDP_LS_ENABLE;
5326
5327	if (orig != data)
5328		WREG32(HDP_MEM_POWER_LS, data);
5329}
5330
5331static void si_update_cg(struct radeon_device *rdev,
5332			 u32 block, bool enable)
5333{
5334	if (block & RADEON_CG_BLOCK_GFX) {
5335		si_enable_gui_idle_interrupt(rdev, false);
5336		/* order matters! */
5337		if (enable) {
5338			si_enable_mgcg(rdev, true);
5339			si_enable_cgcg(rdev, true);
5340		} else {
5341			si_enable_cgcg(rdev, false);
5342			si_enable_mgcg(rdev, false);
5343		}
5344		si_enable_gui_idle_interrupt(rdev, true);
5345	}
5346
5347	if (block & RADEON_CG_BLOCK_MC) {
5348		si_enable_mc_mgcg(rdev, enable);
5349		si_enable_mc_ls(rdev, enable);
5350	}
5351
5352	if (block & RADEON_CG_BLOCK_SDMA) {
5353		si_enable_dma_mgcg(rdev, enable);
5354	}
5355
5356	if (block & RADEON_CG_BLOCK_BIF) {
5357		si_enable_bif_mgls(rdev, enable);
5358	}
5359
5360	if (block & RADEON_CG_BLOCK_UVD) {
5361		if (rdev->has_uvd) {
5362			si_enable_uvd_mgcg(rdev, enable);
5363		}
5364	}
5365
5366	if (block & RADEON_CG_BLOCK_HDP) {
5367		si_enable_hdp_mgcg(rdev, enable);
5368		si_enable_hdp_ls(rdev, enable);
5369	}
5370}
5371
5372static void si_init_cg(struct radeon_device *rdev)
5373{
5374	si_update_cg(rdev, (RADEON_CG_BLOCK_GFX |
5375			    RADEON_CG_BLOCK_MC |
5376			    RADEON_CG_BLOCK_SDMA |
5377			    RADEON_CG_BLOCK_BIF |
5378			    RADEON_CG_BLOCK_HDP), true);
5379	if (rdev->has_uvd) {
5380		si_update_cg(rdev, RADEON_CG_BLOCK_UVD, true);
5381		si_init_uvd_internal_cg(rdev);
5382	}
5383}
5384
5385static void si_fini_cg(struct radeon_device *rdev)
5386{
5387	if (rdev->has_uvd) {
5388		si_update_cg(rdev, RADEON_CG_BLOCK_UVD, false);
5389	}
5390	si_update_cg(rdev, (RADEON_CG_BLOCK_GFX |
5391			    RADEON_CG_BLOCK_MC |
5392			    RADEON_CG_BLOCK_SDMA |
5393			    RADEON_CG_BLOCK_BIF |
5394			    RADEON_CG_BLOCK_HDP), false);
5395}
5396
5397u32 si_get_csb_size(struct radeon_device *rdev)
5398{
5399	u32 count = 0;
5400	const struct cs_section_def *sect = NULL;
5401	const struct cs_extent_def *ext = NULL;
5402
5403	if (rdev->rlc.cs_data == NULL)
5404		return 0;
5405
5406	/* begin clear state */
5407	count += 2;
5408	/* context control state */
5409	count += 3;
5410
5411	for (sect = rdev->rlc.cs_data; sect->section != NULL; ++sect) {
5412		for (ext = sect->section; ext->extent != NULL; ++ext) {
5413			if (sect->id == SECT_CONTEXT)
5414				count += 2 + ext->reg_count;
5415			else
5416				return 0;
5417		}
5418	}
5419	/* pa_sc_raster_config */
5420	count += 3;
5421	/* end clear state */
5422	count += 2;
5423	/* clear state */
5424	count += 2;
5425
5426	return count;
5427}
5428
5429void si_get_csb_buffer(struct radeon_device *rdev, volatile u32 *buffer)
5430{
5431	u32 count = 0, i;
5432	const struct cs_section_def *sect = NULL;
5433	const struct cs_extent_def *ext = NULL;
5434
5435	if (rdev->rlc.cs_data == NULL)
5436		return;
5437	if (buffer == NULL)
5438		return;
5439
5440	buffer[count++] = cpu_to_le32(PACKET3(PACKET3_PREAMBLE_CNTL, 0));
5441	buffer[count++] = cpu_to_le32(PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
5442
5443	buffer[count++] = cpu_to_le32(PACKET3(PACKET3_CONTEXT_CONTROL, 1));
5444	buffer[count++] = cpu_to_le32(0x80000000);
5445	buffer[count++] = cpu_to_le32(0x80000000);
5446
5447	for (sect = rdev->rlc.cs_data; sect->section != NULL; ++sect) {
5448		for (ext = sect->section; ext->extent != NULL; ++ext) {
5449			if (sect->id == SECT_CONTEXT) {
5450				buffer[count++] =
5451					cpu_to_le32(PACKET3(PACKET3_SET_CONTEXT_REG, ext->reg_count));
5452				buffer[count++] = cpu_to_le32(ext->reg_index - 0xa000);
5453				for (i = 0; i < ext->reg_count; i++)
5454					buffer[count++] = cpu_to_le32(ext->extent[i]);
5455			} else {
5456				return;
5457			}
5458		}
5459	}
5460
5461	buffer[count++] = cpu_to_le32(PACKET3(PACKET3_SET_CONTEXT_REG, 1));
5462	buffer[count++] = cpu_to_le32(PA_SC_RASTER_CONFIG - PACKET3_SET_CONTEXT_REG_START);
5463	switch (rdev->family) {
5464	case CHIP_TAHITI:
5465	case CHIP_PITCAIRN:
5466		buffer[count++] = cpu_to_le32(0x2a00126a);
5467		break;
5468	case CHIP_VERDE:
5469		buffer[count++] = cpu_to_le32(0x0000124a);
5470		break;
5471	case CHIP_OLAND:
5472		buffer[count++] = cpu_to_le32(0x00000082);
5473		break;
5474	case CHIP_HAINAN:
5475		buffer[count++] = cpu_to_le32(0x00000000);
5476		break;
5477	default:
5478		buffer[count++] = cpu_to_le32(0x00000000);
5479		break;
5480	}
5481
5482	buffer[count++] = cpu_to_le32(PACKET3(PACKET3_PREAMBLE_CNTL, 0));
5483	buffer[count++] = cpu_to_le32(PACKET3_PREAMBLE_END_CLEAR_STATE);
5484
5485	buffer[count++] = cpu_to_le32(PACKET3(PACKET3_CLEAR_STATE, 0));
5486	buffer[count++] = cpu_to_le32(0);
5487}
5488
5489static void si_init_pg(struct radeon_device *rdev)
5490{
5491	if (rdev->pg_flags) {
5492		if (rdev->pg_flags & RADEON_PG_SUPPORT_SDMA) {
5493			si_init_dma_pg(rdev);
5494		}
5495		si_init_ao_cu_mask(rdev);
5496		if (rdev->pg_flags & RADEON_PG_SUPPORT_GFX_PG) {
5497			si_init_gfx_cgpg(rdev);
5498		} else {
5499			WREG32(RLC_SAVE_AND_RESTORE_BASE, rdev->rlc.save_restore_gpu_addr >> 8);
5500			WREG32(RLC_CLEAR_STATE_RESTORE_BASE, rdev->rlc.clear_state_gpu_addr >> 8);
5501		}
5502		si_enable_dma_pg(rdev, true);
5503		si_enable_gfx_cgpg(rdev, true);
5504	} else {
5505		WREG32(RLC_SAVE_AND_RESTORE_BASE, rdev->rlc.save_restore_gpu_addr >> 8);
5506		WREG32(RLC_CLEAR_STATE_RESTORE_BASE, rdev->rlc.clear_state_gpu_addr >> 8);
5507	}
5508}
5509
5510static void si_fini_pg(struct radeon_device *rdev)
5511{
5512	if (rdev->pg_flags) {
5513		si_enable_dma_pg(rdev, false);
5514		si_enable_gfx_cgpg(rdev, false);
5515	}
5516}
5517
5518/*
5519 * RLC
5520 */
5521void si_rlc_reset(struct radeon_device *rdev)
5522{
5523	u32 tmp = RREG32(GRBM_SOFT_RESET);
5524
5525	tmp |= SOFT_RESET_RLC;
5526	WREG32(GRBM_SOFT_RESET, tmp);
5527	udelay(50);
5528	tmp &= ~SOFT_RESET_RLC;
5529	WREG32(GRBM_SOFT_RESET, tmp);
5530	udelay(50);
5531}
5532
5533static void si_rlc_stop(struct radeon_device *rdev)
5534{
5535	WREG32(RLC_CNTL, 0);
5536
5537	si_enable_gui_idle_interrupt(rdev, false);
5538
5539	si_wait_for_rlc_serdes(rdev);
5540}
5541
5542static void si_rlc_start(struct radeon_device *rdev)
5543{
5544	WREG32(RLC_CNTL, RLC_ENABLE);
5545
5546	si_enable_gui_idle_interrupt(rdev, true);
5547
5548	udelay(50);
5549}
5550
5551static bool si_lbpw_supported(struct radeon_device *rdev)
5552{
5553	u32 tmp;
5554
5555	/* Enable LBPW only for DDR3 */
5556	tmp = RREG32(MC_SEQ_MISC0);
5557	if ((tmp & 0xF0000000) == 0xB0000000)
5558		return true;
5559	return false;
5560}
5561
5562static void si_enable_lbpw(struct radeon_device *rdev, bool enable)
5563{
5564	u32 tmp;
5565
5566	tmp = RREG32(RLC_LB_CNTL);
5567	if (enable)
5568		tmp |= LOAD_BALANCE_ENABLE;
5569	else
5570		tmp &= ~LOAD_BALANCE_ENABLE;
5571	WREG32(RLC_LB_CNTL, tmp);
5572
5573	if (!enable) {
5574		si_select_se_sh(rdev, 0xffffffff, 0xffffffff);
5575		WREG32(SPI_LB_CU_MASK, 0x00ff);
5576	}
5577}
5578
5579static int si_rlc_resume(struct radeon_device *rdev)
5580{
5581	u32 i;
5582	const __be32 *fw_data;
5583
5584	if (!rdev->rlc_fw)
5585		return -EINVAL;
5586
5587	si_rlc_stop(rdev);
5588
5589	si_rlc_reset(rdev);
5590
5591	si_init_pg(rdev);
5592
5593	si_init_cg(rdev);
5594
5595	WREG32(RLC_RL_BASE, 0);
5596	WREG32(RLC_RL_SIZE, 0);
5597	WREG32(RLC_LB_CNTL, 0);
5598	WREG32(RLC_LB_CNTR_MAX, 0xffffffff);
5599	WREG32(RLC_LB_CNTR_INIT, 0);
5600	WREG32(RLC_LB_INIT_CU_MASK, 0xffffffff);
5601
5602	WREG32(RLC_MC_CNTL, 0);
5603	WREG32(RLC_UCODE_CNTL, 0);
5604
5605	fw_data = (const __be32 *)rdev->rlc_fw->data;
5606	for (i = 0; i < SI_RLC_UCODE_SIZE; i++) {
5607		WREG32(RLC_UCODE_ADDR, i);
5608		WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
5609	}
5610	WREG32(RLC_UCODE_ADDR, 0);
5611
5612	si_enable_lbpw(rdev, si_lbpw_supported(rdev));
5613
5614	si_rlc_start(rdev);
5615
5616	return 0;
5617}
5618
5619static void si_enable_interrupts(struct radeon_device *rdev)
5620{
5621	u32 ih_cntl = RREG32(IH_CNTL);
5622	u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
5623
5624	ih_cntl |= ENABLE_INTR;
5625	ih_rb_cntl |= IH_RB_ENABLE;
5626	WREG32(IH_CNTL, ih_cntl);
5627	WREG32(IH_RB_CNTL, ih_rb_cntl);
5628	rdev->ih.enabled = true;
5629}
5630
5631static void si_disable_interrupts(struct radeon_device *rdev)
5632{
5633	u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
5634	u32 ih_cntl = RREG32(IH_CNTL);
5635
5636	ih_rb_cntl &= ~IH_RB_ENABLE;
5637	ih_cntl &= ~ENABLE_INTR;
5638	WREG32(IH_RB_CNTL, ih_rb_cntl);
5639	WREG32(IH_CNTL, ih_cntl);
5640	/* set rptr, wptr to 0 */
5641	WREG32(IH_RB_RPTR, 0);
5642	WREG32(IH_RB_WPTR, 0);
5643	rdev->ih.enabled = false;
5644	rdev->ih.rptr = 0;
5645}
5646
5647static void si_disable_interrupt_state(struct radeon_device *rdev)
5648{
5649	u32 tmp;
5650
5651	tmp = RREG32(CP_INT_CNTL_RING0) &
5652		(CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
5653	WREG32(CP_INT_CNTL_RING0, tmp);
5654	WREG32(CP_INT_CNTL_RING1, 0);
5655	WREG32(CP_INT_CNTL_RING2, 0);
5656	tmp = RREG32(DMA_CNTL + DMA0_REGISTER_OFFSET) & ~TRAP_ENABLE;
5657	WREG32(DMA_CNTL + DMA0_REGISTER_OFFSET, tmp);
5658	tmp = RREG32(DMA_CNTL + DMA1_REGISTER_OFFSET) & ~TRAP_ENABLE;
5659	WREG32(DMA_CNTL + DMA1_REGISTER_OFFSET, tmp);
5660	WREG32(GRBM_INT_CNTL, 0);
5661	if (rdev->num_crtc >= 2) {
5662		WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
5663		WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
5664	}
5665	if (rdev->num_crtc >= 4) {
5666		WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
5667		WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
5668	}
5669	if (rdev->num_crtc >= 6) {
5670		WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
5671		WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
5672	}
5673
5674	if (rdev->num_crtc >= 2) {
5675		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
5676		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
5677	}
5678	if (rdev->num_crtc >= 4) {
5679		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
5680		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
5681	}
5682	if (rdev->num_crtc >= 6) {
5683		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
5684		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
5685	}
5686
5687	if (!ASIC_IS_NODCE(rdev)) {
5688		WREG32(DAC_AUTODETECT_INT_CONTROL, 0);
5689
5690		tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY;
5691		WREG32(DC_HPD1_INT_CONTROL, tmp);
5692		tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY;
5693		WREG32(DC_HPD2_INT_CONTROL, tmp);
5694		tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY;
5695		WREG32(DC_HPD3_INT_CONTROL, tmp);
5696		tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY;
5697		WREG32(DC_HPD4_INT_CONTROL, tmp);
5698		tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY;
5699		WREG32(DC_HPD5_INT_CONTROL, tmp);
5700		tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY;
5701		WREG32(DC_HPD6_INT_CONTROL, tmp);
5702	}
5703}
5704
5705static int si_irq_init(struct radeon_device *rdev)
5706{
5707	int ret = 0;
5708	int rb_bufsz;
5709	u32 interrupt_cntl, ih_cntl, ih_rb_cntl;
5710
5711	/* allocate ring */
5712	ret = r600_ih_ring_alloc(rdev);
5713	if (ret)
5714		return ret;
5715
5716	/* disable irqs */
5717	si_disable_interrupts(rdev);
5718
5719	/* init rlc */
5720	ret = si_rlc_resume(rdev);
5721	if (ret) {
5722		r600_ih_ring_fini(rdev);
5723		return ret;
5724	}
5725
5726	/* setup interrupt control */
5727	/* set dummy read address to ring address */
5728	WREG32(INTERRUPT_CNTL2, rdev->ih.gpu_addr >> 8);
5729	interrupt_cntl = RREG32(INTERRUPT_CNTL);
5730	/* IH_DUMMY_RD_OVERRIDE=0 - dummy read disabled with msi, enabled without msi
5731	 * IH_DUMMY_RD_OVERRIDE=1 - dummy read controlled by IH_DUMMY_RD_EN
5732	 */
5733	interrupt_cntl &= ~IH_DUMMY_RD_OVERRIDE;
5734	/* IH_REQ_NONSNOOP_EN=1 if ring is in non-cacheable memory, e.g., vram */
5735	interrupt_cntl &= ~IH_REQ_NONSNOOP_EN;
5736	WREG32(INTERRUPT_CNTL, interrupt_cntl);
5737
5738	WREG32(IH_RB_BASE, rdev->ih.gpu_addr >> 8);
5739	rb_bufsz = order_base_2(rdev->ih.ring_size / 4);
5740
5741	ih_rb_cntl = (IH_WPTR_OVERFLOW_ENABLE |
5742		      IH_WPTR_OVERFLOW_CLEAR |
5743		      (rb_bufsz << 1));
5744
5745	if (rdev->wb.enabled)
5746		ih_rb_cntl |= IH_WPTR_WRITEBACK_ENABLE;
5747
5748	/* set the writeback address whether it's enabled or not */
5749	WREG32(IH_RB_WPTR_ADDR_LO, (rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFFFFFFFC);
5750	WREG32(IH_RB_WPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFF);
5751
5752	WREG32(IH_RB_CNTL, ih_rb_cntl);
5753
5754	/* set rptr, wptr to 0 */
5755	WREG32(IH_RB_RPTR, 0);
5756	WREG32(IH_RB_WPTR, 0);
5757
5758	/* Default settings for IH_CNTL (disabled at first) */
5759	ih_cntl = MC_WRREQ_CREDIT(0x10) | MC_WR_CLEAN_CNT(0x10) | MC_VMID(0);
5760	/* RPTR_REARM only works if msi's are enabled */
5761	if (rdev->msi_enabled)
5762		ih_cntl |= RPTR_REARM;
5763	WREG32(IH_CNTL, ih_cntl);
5764
5765	/* force the active interrupt state to all disabled */
5766	si_disable_interrupt_state(rdev);
5767
5768	pci_set_master(rdev->pdev);
5769
5770	/* enable irqs */
5771	si_enable_interrupts(rdev);
5772
5773	return ret;
5774}
5775
5776int si_irq_set(struct radeon_device *rdev)
5777{
5778	u32 cp_int_cntl;
5779	u32 cp_int_cntl1 = 0, cp_int_cntl2 = 0;
5780	u32 crtc1 = 0, crtc2 = 0, crtc3 = 0, crtc4 = 0, crtc5 = 0, crtc6 = 0;
5781	u32 hpd1 = 0, hpd2 = 0, hpd3 = 0, hpd4 = 0, hpd5 = 0, hpd6 = 0;
5782	u32 grbm_int_cntl = 0;
5783	u32 dma_cntl, dma_cntl1;
5784	u32 thermal_int = 0;
5785
5786	if (!rdev->irq.installed) {
5787		WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
5788		return -EINVAL;
5789	}
5790	/* don't enable anything if the ih is disabled */
5791	if (!rdev->ih.enabled) {
5792		si_disable_interrupts(rdev);
5793		/* force the active interrupt state to all disabled */
5794		si_disable_interrupt_state(rdev);
5795		return 0;
5796	}
5797
5798	cp_int_cntl = RREG32(CP_INT_CNTL_RING0) &
5799		(CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
5800
5801	if (!ASIC_IS_NODCE(rdev)) {
5802		hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN;
5803		hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN;
5804		hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN;
5805		hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~DC_HPDx_INT_EN;
5806		hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN;
5807		hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN;
5808	}
5809
5810	dma_cntl = RREG32(DMA_CNTL + DMA0_REGISTER_OFFSET) & ~TRAP_ENABLE;
5811	dma_cntl1 = RREG32(DMA_CNTL + DMA1_REGISTER_OFFSET) & ~TRAP_ENABLE;
5812
5813	thermal_int = RREG32(CG_THERMAL_INT) &
5814		~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW);
5815
5816	/* enable CP interrupts on all rings */
5817	if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
5818		DRM_DEBUG("si_irq_set: sw int gfx\n");
5819		cp_int_cntl |= TIME_STAMP_INT_ENABLE;
5820	}
5821	if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_CP1_INDEX])) {
5822		DRM_DEBUG("si_irq_set: sw int cp1\n");
5823		cp_int_cntl1 |= TIME_STAMP_INT_ENABLE;
5824	}
5825	if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_CP2_INDEX])) {
5826		DRM_DEBUG("si_irq_set: sw int cp2\n");
5827		cp_int_cntl2 |= TIME_STAMP_INT_ENABLE;
5828	}
5829	if (atomic_read(&rdev->irq.ring_int[R600_RING_TYPE_DMA_INDEX])) {
5830		DRM_DEBUG("si_irq_set: sw int dma\n");
5831		dma_cntl |= TRAP_ENABLE;
5832	}
5833
5834	if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_DMA1_INDEX])) {
5835		DRM_DEBUG("si_irq_set: sw int dma1\n");
5836		dma_cntl1 |= TRAP_ENABLE;
5837	}
5838	if (rdev->irq.crtc_vblank_int[0] ||
5839	    atomic_read(&rdev->irq.pflip[0])) {
5840		DRM_DEBUG("si_irq_set: vblank 0\n");
5841		crtc1 |= VBLANK_INT_MASK;
5842	}
5843	if (rdev->irq.crtc_vblank_int[1] ||
5844	    atomic_read(&rdev->irq.pflip[1])) {
5845		DRM_DEBUG("si_irq_set: vblank 1\n");
5846		crtc2 |= VBLANK_INT_MASK;
5847	}
5848	if (rdev->irq.crtc_vblank_int[2] ||
5849	    atomic_read(&rdev->irq.pflip[2])) {
5850		DRM_DEBUG("si_irq_set: vblank 2\n");
5851		crtc3 |= VBLANK_INT_MASK;
5852	}
5853	if (rdev->irq.crtc_vblank_int[3] ||
5854	    atomic_read(&rdev->irq.pflip[3])) {
5855		DRM_DEBUG("si_irq_set: vblank 3\n");
5856		crtc4 |= VBLANK_INT_MASK;
5857	}
5858	if (rdev->irq.crtc_vblank_int[4] ||
5859	    atomic_read(&rdev->irq.pflip[4])) {
5860		DRM_DEBUG("si_irq_set: vblank 4\n");
5861		crtc5 |= VBLANK_INT_MASK;
5862	}
5863	if (rdev->irq.crtc_vblank_int[5] ||
5864	    atomic_read(&rdev->irq.pflip[5])) {
5865		DRM_DEBUG("si_irq_set: vblank 5\n");
5866		crtc6 |= VBLANK_INT_MASK;
5867	}
5868	if (rdev->irq.hpd[0]) {
5869		DRM_DEBUG("si_irq_set: hpd 1\n");
5870		hpd1 |= DC_HPDx_INT_EN;
5871	}
5872	if (rdev->irq.hpd[1]) {
5873		DRM_DEBUG("si_irq_set: hpd 2\n");
5874		hpd2 |= DC_HPDx_INT_EN;
5875	}
5876	if (rdev->irq.hpd[2]) {
5877		DRM_DEBUG("si_irq_set: hpd 3\n");
5878		hpd3 |= DC_HPDx_INT_EN;
5879	}
5880	if (rdev->irq.hpd[3]) {
5881		DRM_DEBUG("si_irq_set: hpd 4\n");
5882		hpd4 |= DC_HPDx_INT_EN;
5883	}
5884	if (rdev->irq.hpd[4]) {
5885		DRM_DEBUG("si_irq_set: hpd 5\n");
5886		hpd5 |= DC_HPDx_INT_EN;
5887	}
5888	if (rdev->irq.hpd[5]) {
5889		DRM_DEBUG("si_irq_set: hpd 6\n");
5890		hpd6 |= DC_HPDx_INT_EN;
5891	}
5892
5893	WREG32(CP_INT_CNTL_RING0, cp_int_cntl);
5894	WREG32(CP_INT_CNTL_RING1, cp_int_cntl1);
5895	WREG32(CP_INT_CNTL_RING2, cp_int_cntl2);
5896
5897	WREG32(DMA_CNTL + DMA0_REGISTER_OFFSET, dma_cntl);
5898	WREG32(DMA_CNTL + DMA1_REGISTER_OFFSET, dma_cntl1);
5899
5900	WREG32(GRBM_INT_CNTL, grbm_int_cntl);
5901
5902	if (rdev->irq.dpm_thermal) {
5903		DRM_DEBUG("dpm thermal\n");
5904		thermal_int |= THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW;
5905	}
5906
5907	if (rdev->num_crtc >= 2) {
5908		WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, crtc1);
5909		WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, crtc2);
5910	}
5911	if (rdev->num_crtc >= 4) {
5912		WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, crtc3);
5913		WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, crtc4);
5914	}
5915	if (rdev->num_crtc >= 6) {
5916		WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, crtc5);
5917		WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, crtc6);
5918	}
5919
5920	if (rdev->num_crtc >= 2) {
5921		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET,
5922		       GRPH_PFLIP_INT_MASK);
5923		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET,
5924		       GRPH_PFLIP_INT_MASK);
5925	}
5926	if (rdev->num_crtc >= 4) {
5927		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET,
5928		       GRPH_PFLIP_INT_MASK);
5929		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET,
5930		       GRPH_PFLIP_INT_MASK);
5931	}
5932	if (rdev->num_crtc >= 6) {
5933		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET,
5934		       GRPH_PFLIP_INT_MASK);
5935		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET,
5936		       GRPH_PFLIP_INT_MASK);
5937	}
5938
5939	if (!ASIC_IS_NODCE(rdev)) {
5940		WREG32(DC_HPD1_INT_CONTROL, hpd1);
5941		WREG32(DC_HPD2_INT_CONTROL, hpd2);
5942		WREG32(DC_HPD3_INT_CONTROL, hpd3);
5943		WREG32(DC_HPD4_INT_CONTROL, hpd4);
5944		WREG32(DC_HPD5_INT_CONTROL, hpd5);
5945		WREG32(DC_HPD6_INT_CONTROL, hpd6);
5946	}
5947
5948	WREG32(CG_THERMAL_INT, thermal_int);
5949
5950	return 0;
5951}
5952
5953static inline void si_irq_ack(struct radeon_device *rdev)
5954{
5955	u32 tmp;
5956
5957	if (ASIC_IS_NODCE(rdev))
5958		return;
5959
5960	rdev->irq.stat_regs.evergreen.disp_int = RREG32(DISP_INTERRUPT_STATUS);
5961	rdev->irq.stat_regs.evergreen.disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE);
5962	rdev->irq.stat_regs.evergreen.disp_int_cont2 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE2);
5963	rdev->irq.stat_regs.evergreen.disp_int_cont3 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE3);
5964	rdev->irq.stat_regs.evergreen.disp_int_cont4 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE4);
5965	rdev->irq.stat_regs.evergreen.disp_int_cont5 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE5);
5966	rdev->irq.stat_regs.evergreen.d1grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET);
5967	rdev->irq.stat_regs.evergreen.d2grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET);
5968	if (rdev->num_crtc >= 4) {
5969		rdev->irq.stat_regs.evergreen.d3grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET);
5970		rdev->irq.stat_regs.evergreen.d4grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET);
5971	}
5972	if (rdev->num_crtc >= 6) {
5973		rdev->irq.stat_regs.evergreen.d5grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET);
5974		rdev->irq.stat_regs.evergreen.d6grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET);
5975	}
5976
5977	if (rdev->irq.stat_regs.evergreen.d1grph_int & GRPH_PFLIP_INT_OCCURRED)
5978		WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
5979	if (rdev->irq.stat_regs.evergreen.d2grph_int & GRPH_PFLIP_INT_OCCURRED)
5980		WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
5981	if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VBLANK_INTERRUPT)
5982		WREG32(VBLANK_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VBLANK_ACK);
5983	if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VLINE_INTERRUPT)
5984		WREG32(VLINE_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VLINE_ACK);
5985	if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VBLANK_INTERRUPT)
5986		WREG32(VBLANK_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VBLANK_ACK);
5987	if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VLINE_INTERRUPT)
5988		WREG32(VLINE_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VLINE_ACK);
5989
5990	if (rdev->num_crtc >= 4) {
5991		if (rdev->irq.stat_regs.evergreen.d3grph_int & GRPH_PFLIP_INT_OCCURRED)
5992			WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
5993		if (rdev->irq.stat_regs.evergreen.d4grph_int & GRPH_PFLIP_INT_OCCURRED)
5994			WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
5995		if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT)
5996			WREG32(VBLANK_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VBLANK_ACK);
5997		if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VLINE_INTERRUPT)
5998			WREG32(VLINE_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VLINE_ACK);
5999		if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT)
6000			WREG32(VBLANK_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VBLANK_ACK);
6001		if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VLINE_INTERRUPT)
6002			WREG32(VLINE_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VLINE_ACK);
6003	}
6004
6005	if (rdev->num_crtc >= 6) {
6006		if (rdev->irq.stat_regs.evergreen.d5grph_int & GRPH_PFLIP_INT_OCCURRED)
6007			WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
6008		if (rdev->irq.stat_regs.evergreen.d6grph_int & GRPH_PFLIP_INT_OCCURRED)
6009			WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
6010		if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT)
6011			WREG32(VBLANK_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VBLANK_ACK);
6012		if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VLINE_INTERRUPT)
6013			WREG32(VLINE_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VLINE_ACK);
6014		if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT)
6015			WREG32(VBLANK_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VBLANK_ACK);
6016		if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VLINE_INTERRUPT)
6017			WREG32(VLINE_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VLINE_ACK);
6018	}
6019
6020	if (rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_INTERRUPT) {
6021		tmp = RREG32(DC_HPD1_INT_CONTROL);
6022		tmp |= DC_HPDx_INT_ACK;
6023		WREG32(DC_HPD1_INT_CONTROL, tmp);
6024	}
6025	if (rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_INTERRUPT) {
6026		tmp = RREG32(DC_HPD2_INT_CONTROL);
6027		tmp |= DC_HPDx_INT_ACK;
6028		WREG32(DC_HPD2_INT_CONTROL, tmp);
6029	}
6030	if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_INTERRUPT) {
6031		tmp = RREG32(DC_HPD3_INT_CONTROL);
6032		tmp |= DC_HPDx_INT_ACK;
6033		WREG32(DC_HPD3_INT_CONTROL, tmp);
6034	}
6035	if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_INTERRUPT) {
6036		tmp = RREG32(DC_HPD4_INT_CONTROL);
6037		tmp |= DC_HPDx_INT_ACK;
6038		WREG32(DC_HPD4_INT_CONTROL, tmp);
6039	}
6040	if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_INTERRUPT) {
6041		tmp = RREG32(DC_HPD5_INT_CONTROL);
6042		tmp |= DC_HPDx_INT_ACK;
6043		WREG32(DC_HPD5_INT_CONTROL, tmp);
6044	}
6045	if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT) {
6046		tmp = RREG32(DC_HPD5_INT_CONTROL);
6047		tmp |= DC_HPDx_INT_ACK;
6048		WREG32(DC_HPD6_INT_CONTROL, tmp);
6049	}
6050}
6051
6052static void si_irq_disable(struct radeon_device *rdev)
6053{
6054	si_disable_interrupts(rdev);
6055	/* Wait and acknowledge irq */
6056	mdelay(1);
6057	si_irq_ack(rdev);
6058	si_disable_interrupt_state(rdev);
6059}
6060
6061static void si_irq_suspend(struct radeon_device *rdev)
6062{
6063	si_irq_disable(rdev);
6064	si_rlc_stop(rdev);
6065}
6066
6067static void si_irq_fini(struct radeon_device *rdev)
6068{
6069	si_irq_suspend(rdev);
6070	r600_ih_ring_fini(rdev);
6071}
6072
6073static inline u32 si_get_ih_wptr(struct radeon_device *rdev)
6074{
6075	u32 wptr, tmp;
6076
6077	if (rdev->wb.enabled)
6078		wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]);
6079	else
6080		wptr = RREG32(IH_RB_WPTR);
6081
6082	if (wptr & RB_OVERFLOW) {
6083		/* When a ring buffer overflow happen start parsing interrupt
6084		 * from the last not overwritten vector (wptr + 16). Hopefully
6085		 * this should allow us to catchup.
6086		 */
6087		dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, %d, %d)\n",
6088			wptr, rdev->ih.rptr, (wptr + 16) + rdev->ih.ptr_mask);
6089		rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
6090		tmp = RREG32(IH_RB_CNTL);
6091		tmp |= IH_WPTR_OVERFLOW_CLEAR;
6092		WREG32(IH_RB_CNTL, tmp);
6093	}
6094	return (wptr & rdev->ih.ptr_mask);
6095}
6096
6097/*        SI IV Ring
6098 * Each IV ring entry is 128 bits:
6099 * [7:0]    - interrupt source id
6100 * [31:8]   - reserved
6101 * [59:32]  - interrupt source data
6102 * [63:60]  - reserved
6103 * [71:64]  - RINGID
6104 * [79:72]  - VMID
6105 * [127:80] - reserved
6106 */
6107int si_irq_process(struct radeon_device *rdev)
6108{
6109	u32 wptr;
6110	u32 rptr;
6111	u32 src_id, src_data, ring_id;
6112	u32 ring_index;
6113	bool queue_hotplug = false;
6114	bool queue_thermal = false;
6115	u32 status, addr;
6116
6117	if (!rdev->ih.enabled || rdev->shutdown)
6118		return IRQ_NONE;
6119
6120	wptr = si_get_ih_wptr(rdev);
6121
6122restart_ih:
6123	/* is somebody else already processing irqs? */
6124	if (atomic_xchg(&rdev->ih.lock, 1))
6125		return IRQ_NONE;
6126
6127	rptr = rdev->ih.rptr;
6128	DRM_DEBUG("si_irq_process start: rptr %d, wptr %d\n", rptr, wptr);
6129
6130	/* Order reading of wptr vs. reading of IH ring data */
6131	rmb();
6132
6133	/* display interrupts */
6134	si_irq_ack(rdev);
6135
6136	while (rptr != wptr) {
6137		/* wptr/rptr are in bytes! */
6138		ring_index = rptr / 4;
6139		src_id =  le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff;
6140		src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff;
6141		ring_id = le32_to_cpu(rdev->ih.ring[ring_index + 2]) & 0xff;
6142
6143		switch (src_id) {
6144		case 1: /* D1 vblank/vline */
6145			switch (src_data) {
6146			case 0: /* D1 vblank */
6147				if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VBLANK_INTERRUPT) {
6148					if (rdev->irq.crtc_vblank_int[0]) {
6149						drm_handle_vblank(rdev->ddev, 0);
6150						rdev->pm.vblank_sync = true;
6151						wake_up(&rdev->irq.vblank_queue);
6152					}
6153					if (atomic_read(&rdev->irq.pflip[0]))
6154						radeon_crtc_handle_flip(rdev, 0);
6155					rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VBLANK_INTERRUPT;
6156					DRM_DEBUG("IH: D1 vblank\n");
6157				}
6158				break;
6159			case 1: /* D1 vline */
6160				if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VLINE_INTERRUPT) {
6161					rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VLINE_INTERRUPT;
6162					DRM_DEBUG("IH: D1 vline\n");
6163				}
6164				break;
6165			default:
6166				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
6167				break;
6168			}
6169			break;
6170		case 2: /* D2 vblank/vline */
6171			switch (src_data) {
6172			case 0: /* D2 vblank */
6173				if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VBLANK_INTERRUPT) {
6174					if (rdev->irq.crtc_vblank_int[1]) {
6175						drm_handle_vblank(rdev->ddev, 1);
6176						rdev->pm.vblank_sync = true;
6177						wake_up(&rdev->irq.vblank_queue);
6178					}
6179					if (atomic_read(&rdev->irq.pflip[1]))
6180						radeon_crtc_handle_flip(rdev, 1);
6181					rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VBLANK_INTERRUPT;
6182					DRM_DEBUG("IH: D2 vblank\n");
6183				}
6184				break;
6185			case 1: /* D2 vline */
6186				if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VLINE_INTERRUPT) {
6187					rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VLINE_INTERRUPT;
6188					DRM_DEBUG("IH: D2 vline\n");
6189				}
6190				break;
6191			default:
6192				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
6193				break;
6194			}
6195			break;
6196		case 3: /* D3 vblank/vline */
6197			switch (src_data) {
6198			case 0: /* D3 vblank */
6199				if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT) {
6200					if (rdev->irq.crtc_vblank_int[2]) {
6201						drm_handle_vblank(rdev->ddev, 2);
6202						rdev->pm.vblank_sync = true;
6203						wake_up(&rdev->irq.vblank_queue);
6204					}
6205					if (atomic_read(&rdev->irq.pflip[2]))
6206						radeon_crtc_handle_flip(rdev, 2);
6207					rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VBLANK_INTERRUPT;
6208					DRM_DEBUG("IH: D3 vblank\n");
6209				}
6210				break;
6211			case 1: /* D3 vline */
6212				if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VLINE_INTERRUPT) {
6213					rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VLINE_INTERRUPT;
6214					DRM_DEBUG("IH: D3 vline\n");
6215				}
6216				break;
6217			default:
6218				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
6219				break;
6220			}
6221			break;
6222		case 4: /* D4 vblank/vline */
6223			switch (src_data) {
6224			case 0: /* D4 vblank */
6225				if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT) {
6226					if (rdev->irq.crtc_vblank_int[3]) {
6227						drm_handle_vblank(rdev->ddev, 3);
6228						rdev->pm.vblank_sync = true;
6229						wake_up(&rdev->irq.vblank_queue);
6230					}
6231					if (atomic_read(&rdev->irq.pflip[3]))
6232						radeon_crtc_handle_flip(rdev, 3);
6233					rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VBLANK_INTERRUPT;
6234					DRM_DEBUG("IH: D4 vblank\n");
6235				}
6236				break;
6237			case 1: /* D4 vline */
6238				if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VLINE_INTERRUPT) {
6239					rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VLINE_INTERRUPT;
6240					DRM_DEBUG("IH: D4 vline\n");
6241				}
6242				break;
6243			default:
6244				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
6245				break;
6246			}
6247			break;
6248		case 5: /* D5 vblank/vline */
6249			switch (src_data) {
6250			case 0: /* D5 vblank */
6251				if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT) {
6252					if (rdev->irq.crtc_vblank_int[4]) {
6253						drm_handle_vblank(rdev->ddev, 4);
6254						rdev->pm.vblank_sync = true;
6255						wake_up(&rdev->irq.vblank_queue);
6256					}
6257					if (atomic_read(&rdev->irq.pflip[4]))
6258						radeon_crtc_handle_flip(rdev, 4);
6259					rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VBLANK_INTERRUPT;
6260					DRM_DEBUG("IH: D5 vblank\n");
6261				}
6262				break;
6263			case 1: /* D5 vline */
6264				if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VLINE_INTERRUPT) {
6265					rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VLINE_INTERRUPT;
6266					DRM_DEBUG("IH: D5 vline\n");
6267				}
6268				break;
6269			default:
6270				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
6271				break;
6272			}
6273			break;
6274		case 6: /* D6 vblank/vline */
6275			switch (src_data) {
6276			case 0: /* D6 vblank */
6277				if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT) {
6278					if (rdev->irq.crtc_vblank_int[5]) {
6279						drm_handle_vblank(rdev->ddev, 5);
6280						rdev->pm.vblank_sync = true;
6281						wake_up(&rdev->irq.vblank_queue);
6282					}
6283					if (atomic_read(&rdev->irq.pflip[5]))
6284						radeon_crtc_handle_flip(rdev, 5);
6285					rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VBLANK_INTERRUPT;
6286					DRM_DEBUG("IH: D6 vblank\n");
6287				}
6288				break;
6289			case 1: /* D6 vline */
6290				if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VLINE_INTERRUPT) {
6291					rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VLINE_INTERRUPT;
6292					DRM_DEBUG("IH: D6 vline\n");
6293				}
6294				break;
6295			default:
6296				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
6297				break;
6298			}
6299			break;
6300		case 8: /* D1 page flip */
6301		case 10: /* D2 page flip */
6302		case 12: /* D3 page flip */
6303		case 14: /* D4 page flip */
6304		case 16: /* D5 page flip */
6305		case 18: /* D6 page flip */
6306			DRM_DEBUG("IH: D%d flip\n", ((src_id - 8) >> 1) + 1);
6307			radeon_crtc_handle_flip(rdev, (src_id - 8) >> 1);
6308			break;
6309		case 42: /* HPD hotplug */
6310			switch (src_data) {
6311			case 0:
6312				if (rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_INTERRUPT) {
6313					rdev->irq.stat_regs.evergreen.disp_int &= ~DC_HPD1_INTERRUPT;
6314					queue_hotplug = true;
6315					DRM_DEBUG("IH: HPD1\n");
6316				}
6317				break;
6318			case 1:
6319				if (rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_INTERRUPT) {
6320					rdev->irq.stat_regs.evergreen.disp_int_cont &= ~DC_HPD2_INTERRUPT;
6321					queue_hotplug = true;
6322					DRM_DEBUG("IH: HPD2\n");
6323				}
6324				break;
6325			case 2:
6326				if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_INTERRUPT) {
6327					rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~DC_HPD3_INTERRUPT;
6328					queue_hotplug = true;
6329					DRM_DEBUG("IH: HPD3\n");
6330				}
6331				break;
6332			case 3:
6333				if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_INTERRUPT) {
6334					rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~DC_HPD4_INTERRUPT;
6335					queue_hotplug = true;
6336					DRM_DEBUG("IH: HPD4\n");
6337				}
6338				break;
6339			case 4:
6340				if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_INTERRUPT) {
6341					rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~DC_HPD5_INTERRUPT;
6342					queue_hotplug = true;
6343					DRM_DEBUG("IH: HPD5\n");
6344				}
6345				break;
6346			case 5:
6347				if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT) {
6348					rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~DC_HPD6_INTERRUPT;
6349					queue_hotplug = true;
6350					DRM_DEBUG("IH: HPD6\n");
6351				}
6352				break;
6353			default:
6354				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
6355				break;
6356			}
6357			break;
6358		case 124: /* UVD */
6359			DRM_DEBUG("IH: UVD int: 0x%08x\n", src_data);
6360			radeon_fence_process(rdev, R600_RING_TYPE_UVD_INDEX);
6361			break;
6362		case 146:
6363		case 147:
6364			addr = RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR);
6365			status = RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS);
6366			dev_err(rdev->dev, "GPU fault detected: %d 0x%08x\n", src_id, src_data);
6367			dev_err(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
6368				addr);
6369			dev_err(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
6370				status);
6371			si_vm_decode_fault(rdev, status, addr);
6372			/* reset addr and status */
6373			WREG32_P(VM_CONTEXT1_CNTL2, 1, ~1);
6374			break;
6375		case 176: /* RINGID0 CP_INT */
6376			radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
6377			break;
6378		case 177: /* RINGID1 CP_INT */
6379			radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
6380			break;
6381		case 178: /* RINGID2 CP_INT */
6382			radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
6383			break;
6384		case 181: /* CP EOP event */
6385			DRM_DEBUG("IH: CP EOP\n");
6386			switch (ring_id) {
6387			case 0:
6388				radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
6389				break;
6390			case 1:
6391				radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
6392				break;
6393			case 2:
6394				radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
6395				break;
6396			}
6397			break;
6398		case 224: /* DMA trap event */
6399			DRM_DEBUG("IH: DMA trap\n");
6400			radeon_fence_process(rdev, R600_RING_TYPE_DMA_INDEX);
6401			break;
6402		case 230: /* thermal low to high */
6403			DRM_DEBUG("IH: thermal low to high\n");
6404			rdev->pm.dpm.thermal.high_to_low = false;
6405			queue_thermal = true;
6406			break;
6407		case 231: /* thermal high to low */
6408			DRM_DEBUG("IH: thermal high to low\n");
6409			rdev->pm.dpm.thermal.high_to_low = true;
6410			queue_thermal = true;
6411			break;
6412		case 233: /* GUI IDLE */
6413			DRM_DEBUG("IH: GUI idle\n");
6414			break;
6415		case 244: /* DMA trap event */
6416			DRM_DEBUG("IH: DMA1 trap\n");
6417			radeon_fence_process(rdev, CAYMAN_RING_TYPE_DMA1_INDEX);
6418			break;
6419		default:
6420			DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
6421			break;
6422		}
6423
6424		/* wptr/rptr are in bytes! */
6425		rptr += 16;
6426		rptr &= rdev->ih.ptr_mask;
6427	}
6428	if (queue_hotplug)
6429		schedule_work(&rdev->hotplug_work);
6430	if (queue_thermal && rdev->pm.dpm_enabled)
6431		schedule_work(&rdev->pm.dpm.thermal.work);
6432	rdev->ih.rptr = rptr;
6433	WREG32(IH_RB_RPTR, rdev->ih.rptr);
6434	atomic_set(&rdev->ih.lock, 0);
6435
6436	/* make sure wptr hasn't changed while processing */
6437	wptr = si_get_ih_wptr(rdev);
6438	if (wptr != rptr)
6439		goto restart_ih;
6440
6441	return IRQ_HANDLED;
6442}
6443
6444/*
6445 * startup/shutdown callbacks
6446 */
6447static int si_startup(struct radeon_device *rdev)
6448{
6449	struct radeon_ring *ring;
6450	int r;
6451
6452	/* enable pcie gen2/3 link */
6453	si_pcie_gen3_enable(rdev);
6454	/* enable aspm */
6455	si_program_aspm(rdev);
6456
6457	/* scratch needs to be initialized before MC */
6458	r = r600_vram_scratch_init(rdev);
6459	if (r)
6460		return r;
6461
6462	si_mc_program(rdev);
6463
6464	if (!rdev->pm.dpm_enabled) {
6465		r = si_mc_load_microcode(rdev);
6466		if (r) {
6467			DRM_ERROR("Failed to load MC firmware!\n");
6468			return r;
6469		}
6470	}
6471
6472	r = si_pcie_gart_enable(rdev);
6473	if (r)
6474		return r;
6475	si_gpu_init(rdev);
6476
6477	/* allocate rlc buffers */
6478	if (rdev->family == CHIP_VERDE) {
6479		rdev->rlc.reg_list = verde_rlc_save_restore_register_list;
6480		rdev->rlc.reg_list_size =
6481			(u32)ARRAY_SIZE(verde_rlc_save_restore_register_list);
6482	}
6483	rdev->rlc.cs_data = si_cs_data;
6484	r = sumo_rlc_init(rdev);
6485	if (r) {
6486		DRM_ERROR("Failed to init rlc BOs!\n");
6487		return r;
6488	}
6489
6490	/* allocate wb buffer */
6491	r = radeon_wb_init(rdev);
6492	if (r)
6493		return r;
6494
6495	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
6496	if (r) {
6497		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
6498		return r;
6499	}
6500
6501	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
6502	if (r) {
6503		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
6504		return r;
6505	}
6506
6507	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
6508	if (r) {
6509		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
6510		return r;
6511	}
6512
6513	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX);
6514	if (r) {
6515		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
6516		return r;
6517	}
6518
6519	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_DMA1_INDEX);
6520	if (r) {
6521		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
6522		return r;
6523	}
6524
6525	if (rdev->has_uvd) {
6526		r = uvd_v2_2_resume(rdev);
6527		if (!r) {
6528			r = radeon_fence_driver_start_ring(rdev,
6529							   R600_RING_TYPE_UVD_INDEX);
6530			if (r)
6531				dev_err(rdev->dev, "UVD fences init error (%d).\n", r);
6532		}
6533		if (r)
6534			rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
6535	}
6536
6537	/* Enable IRQ */
6538	if (!rdev->irq.installed) {
6539		r = radeon_irq_kms_init(rdev);
6540		if (r)
6541			return r;
6542	}
6543
6544	r = si_irq_init(rdev);
6545	if (r) {
6546		DRM_ERROR("radeon: IH init failed (%d).\n", r);
6547		radeon_irq_kms_fini(rdev);
6548		return r;
6549	}
6550	si_irq_set(rdev);
6551
6552	ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
6553	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
6554			     RADEON_CP_PACKET2);
6555	if (r)
6556		return r;
6557
6558	ring = &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX];
6559	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP1_RPTR_OFFSET,
6560			     RADEON_CP_PACKET2);
6561	if (r)
6562		return r;
6563
6564	ring = &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX];
6565	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP2_RPTR_OFFSET,
6566			     RADEON_CP_PACKET2);
6567	if (r)
6568		return r;
6569
6570	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
6571	r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
6572			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0, 0));
6573	if (r)
6574		return r;
6575
6576	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
6577	r = radeon_ring_init(rdev, ring, ring->ring_size, CAYMAN_WB_DMA1_RPTR_OFFSET,
6578			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0, 0));
6579	if (r)
6580		return r;
6581
6582	r = si_cp_load_microcode(rdev);
6583	if (r)
6584		return r;
6585	r = si_cp_resume(rdev);
6586	if (r)
6587		return r;
6588
6589	r = cayman_dma_resume(rdev);
6590	if (r)
6591		return r;
6592
6593	if (rdev->has_uvd) {
6594		ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
6595		if (ring->ring_size) {
6596			r = radeon_ring_init(rdev, ring, ring->ring_size, 0,
6597					     RADEON_CP_PACKET2);
6598			if (!r)
6599				r = uvd_v1_0_init(rdev);
6600			if (r)
6601				DRM_ERROR("radeon: failed initializing UVD (%d).\n", r);
6602		}
6603	}
6604
6605	r = radeon_ib_pool_init(rdev);
6606	if (r) {
6607		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
6608		return r;
6609	}
6610
6611	r = radeon_vm_manager_init(rdev);
6612	if (r) {
6613		dev_err(rdev->dev, "vm manager initialization failed (%d).\n", r);
6614		return r;
6615	}
6616
6617	r = dce6_audio_init(rdev);
6618	if (r)
6619		return r;
6620
6621	return 0;
6622}
6623
6624int si_resume(struct radeon_device *rdev)
6625{
6626	int r;
6627
6628	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
6629	 * posting will perform necessary task to bring back GPU into good
6630	 * shape.
6631	 */
6632	/* post card */
6633	atom_asic_init(rdev->mode_info.atom_context);
6634
6635	/* init golden registers */
6636	si_init_golden_registers(rdev);
6637
6638	if (rdev->pm.pm_method == PM_METHOD_DPM)
6639		radeon_pm_resume(rdev);
6640
6641	rdev->accel_working = true;
6642	r = si_startup(rdev);
6643	if (r) {
6644		DRM_ERROR("si startup failed on resume\n");
6645		rdev->accel_working = false;
6646		return r;
6647	}
6648
6649	return r;
6650
6651}
6652
6653int si_suspend(struct radeon_device *rdev)
6654{
6655	radeon_pm_suspend(rdev);
6656	dce6_audio_fini(rdev);
6657	radeon_vm_manager_fini(rdev);
6658	si_cp_enable(rdev, false);
6659	cayman_dma_stop(rdev);
6660	if (rdev->has_uvd) {
6661		uvd_v1_0_fini(rdev);
6662		radeon_uvd_suspend(rdev);
6663	}
6664	si_fini_pg(rdev);
6665	si_fini_cg(rdev);
6666	si_irq_suspend(rdev);
6667	radeon_wb_disable(rdev);
6668	si_pcie_gart_disable(rdev);
6669	return 0;
6670}
6671
6672/* Plan is to move initialization in that function and use
6673 * helper function so that radeon_device_init pretty much
6674 * do nothing more than calling asic specific function. This
6675 * should also allow to remove a bunch of callback function
6676 * like vram_info.
6677 */
6678int si_init(struct radeon_device *rdev)
6679{
6680	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
6681	int r;
6682
6683	/* Read BIOS */
6684	if (!radeon_get_bios(rdev)) {
6685		if (ASIC_IS_AVIVO(rdev))
6686			return -EINVAL;
6687	}
6688	/* Must be an ATOMBIOS */
6689	if (!rdev->is_atom_bios) {
6690		dev_err(rdev->dev, "Expecting atombios for cayman GPU\n");
6691		return -EINVAL;
6692	}
6693	r = radeon_atombios_init(rdev);
6694	if (r)
6695		return r;
6696
6697	/* Post card if necessary */
6698	if (!radeon_card_posted(rdev)) {
6699		if (!rdev->bios) {
6700			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
6701			return -EINVAL;
6702		}
6703		DRM_INFO("GPU not posted. posting now...\n");
6704		atom_asic_init(rdev->mode_info.atom_context);
6705	}
6706	/* init golden registers */
6707	si_init_golden_registers(rdev);
6708	/* Initialize scratch registers */
6709	si_scratch_init(rdev);
6710	/* Initialize surface registers */
6711	radeon_surface_init(rdev);
6712	/* Initialize clocks */
6713	radeon_get_clock_info(rdev->ddev);
6714
6715	/* Fence driver */
6716	r = radeon_fence_driver_init(rdev);
6717	if (r)
6718		return r;
6719
6720	/* initialize memory controller */
6721	r = si_mc_init(rdev);
6722	if (r)
6723		return r;
6724	/* Memory manager */
6725	r = radeon_bo_init(rdev);
6726	if (r)
6727		return r;
6728
6729	if (!rdev->me_fw || !rdev->pfp_fw || !rdev->ce_fw ||
6730	    !rdev->rlc_fw || !rdev->mc_fw) {
6731		r = si_init_microcode(rdev);
6732		if (r) {
6733			DRM_ERROR("Failed to load firmware!\n");
6734			return r;
6735		}
6736	}
6737
6738	/* Initialize power management */
6739	radeon_pm_init(rdev);
6740
6741	ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
6742	ring->ring_obj = NULL;
6743	r600_ring_init(rdev, ring, 1024 * 1024);
6744
6745	ring = &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX];
6746	ring->ring_obj = NULL;
6747	r600_ring_init(rdev, ring, 1024 * 1024);
6748
6749	ring = &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX];
6750	ring->ring_obj = NULL;
6751	r600_ring_init(rdev, ring, 1024 * 1024);
6752
6753	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
6754	ring->ring_obj = NULL;
6755	r600_ring_init(rdev, ring, 64 * 1024);
6756
6757	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
6758	ring->ring_obj = NULL;
6759	r600_ring_init(rdev, ring, 64 * 1024);
6760
6761	if (rdev->has_uvd) {
6762		r = radeon_uvd_init(rdev);
6763		if (!r) {
6764			ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
6765			ring->ring_obj = NULL;
6766			r600_ring_init(rdev, ring, 4096);
6767		}
6768	}
6769
6770	rdev->ih.ring_obj = NULL;
6771	r600_ih_ring_init(rdev, 64 * 1024);
6772
6773	r = r600_pcie_gart_init(rdev);
6774	if (r)
6775		return r;
6776
6777	rdev->accel_working = true;
6778	r = si_startup(rdev);
6779	if (r) {
6780		dev_err(rdev->dev, "disabling GPU acceleration\n");
6781		si_cp_fini(rdev);
6782		cayman_dma_fini(rdev);
6783		si_irq_fini(rdev);
6784		sumo_rlc_fini(rdev);
6785		radeon_wb_fini(rdev);
6786		radeon_ib_pool_fini(rdev);
6787		radeon_vm_manager_fini(rdev);
6788		radeon_irq_kms_fini(rdev);
6789		si_pcie_gart_fini(rdev);
6790		rdev->accel_working = false;
6791	}
6792
6793	/* Don't start up if the MC ucode is missing.
6794	 * The default clocks and voltages before the MC ucode
6795	 * is loaded are not suffient for advanced operations.
6796	 */
6797	if (!rdev->mc_fw) {
6798		DRM_ERROR("radeon: MC ucode required for NI+.\n");
6799		return -EINVAL;
6800	}
6801
6802	return 0;
6803}
6804
6805void si_fini(struct radeon_device *rdev)
6806{
6807	radeon_pm_fini(rdev);
6808	si_cp_fini(rdev);
6809	cayman_dma_fini(rdev);
6810	si_fini_pg(rdev);
6811	si_fini_cg(rdev);
6812	si_irq_fini(rdev);
6813	sumo_rlc_fini(rdev);
6814	radeon_wb_fini(rdev);
6815	radeon_vm_manager_fini(rdev);
6816	radeon_ib_pool_fini(rdev);
6817	radeon_irq_kms_fini(rdev);
6818	if (rdev->has_uvd) {
6819		uvd_v1_0_fini(rdev);
6820		radeon_uvd_fini(rdev);
6821	}
6822	si_pcie_gart_fini(rdev);
6823	r600_vram_scratch_fini(rdev);
6824	radeon_gem_fini(rdev);
6825	radeon_fence_driver_fini(rdev);
6826	radeon_bo_fini(rdev);
6827	radeon_atombios_fini(rdev);
6828	kfree(rdev->bios);
6829	rdev->bios = NULL;
6830}
6831
6832/**
6833 * si_get_gpu_clock_counter - return GPU clock counter snapshot
6834 *
6835 * @rdev: radeon_device pointer
6836 *
6837 * Fetches a GPU clock counter snapshot (SI).
6838 * Returns the 64 bit clock counter snapshot.
6839 */
6840uint64_t si_get_gpu_clock_counter(struct radeon_device *rdev)
6841{
6842	uint64_t clock;
6843
6844	mutex_lock(&rdev->gpu_clock_mutex);
6845	WREG32(RLC_CAPTURE_GPU_CLOCK_COUNT, 1);
6846	clock = (uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_LSB) |
6847	        ((uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_MSB) << 32ULL);
6848	mutex_unlock(&rdev->gpu_clock_mutex);
6849	return clock;
6850}
6851
6852int si_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk)
6853{
6854	unsigned fb_div = 0, vclk_div = 0, dclk_div = 0;
6855	int r;
6856
6857	/* bypass vclk and dclk with bclk */
6858	WREG32_P(CG_UPLL_FUNC_CNTL_2,
6859		VCLK_SRC_SEL(1) | DCLK_SRC_SEL(1),
6860		~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK));
6861
6862	/* put PLL in bypass mode */
6863	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_BYPASS_EN_MASK, ~UPLL_BYPASS_EN_MASK);
6864
6865	if (!vclk || !dclk) {
6866		/* keep the Bypass mode, put PLL to sleep */
6867		WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_SLEEP_MASK, ~UPLL_SLEEP_MASK);
6868		return 0;
6869	}
6870
6871	r = radeon_uvd_calc_upll_dividers(rdev, vclk, dclk, 125000, 250000,
6872					  16384, 0x03FFFFFF, 0, 128, 5,
6873					  &fb_div, &vclk_div, &dclk_div);
6874	if (r)
6875		return r;
6876
6877	/* set RESET_ANTI_MUX to 0 */
6878	WREG32_P(CG_UPLL_FUNC_CNTL_5, 0, ~RESET_ANTI_MUX_MASK);
6879
6880	/* set VCO_MODE to 1 */
6881	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_VCO_MODE_MASK, ~UPLL_VCO_MODE_MASK);
6882
6883	/* toggle UPLL_SLEEP to 1 then back to 0 */
6884	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_SLEEP_MASK, ~UPLL_SLEEP_MASK);
6885	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_SLEEP_MASK);
6886
6887	/* deassert UPLL_RESET */
6888	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_RESET_MASK);
6889
6890	mdelay(1);
6891
6892	r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL);
6893	if (r)
6894		return r;
6895
6896	/* assert UPLL_RESET again */
6897	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_RESET_MASK, ~UPLL_RESET_MASK);
6898
6899	/* disable spread spectrum. */
6900	WREG32_P(CG_UPLL_SPREAD_SPECTRUM, 0, ~SSEN_MASK);
6901
6902	/* set feedback divider */
6903	WREG32_P(CG_UPLL_FUNC_CNTL_3, UPLL_FB_DIV(fb_div), ~UPLL_FB_DIV_MASK);
6904
6905	/* set ref divider to 0 */
6906	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_REF_DIV_MASK);
6907
6908	if (fb_div < 307200)
6909		WREG32_P(CG_UPLL_FUNC_CNTL_4, 0, ~UPLL_SPARE_ISPARE9);
6910	else
6911		WREG32_P(CG_UPLL_FUNC_CNTL_4, UPLL_SPARE_ISPARE9, ~UPLL_SPARE_ISPARE9);
6912
6913	/* set PDIV_A and PDIV_B */
6914	WREG32_P(CG_UPLL_FUNC_CNTL_2,
6915		UPLL_PDIV_A(vclk_div) | UPLL_PDIV_B(dclk_div),
6916		~(UPLL_PDIV_A_MASK | UPLL_PDIV_B_MASK));
6917
6918	/* give the PLL some time to settle */
6919	mdelay(15);
6920
6921	/* deassert PLL_RESET */
6922	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_RESET_MASK);
6923
6924	mdelay(15);
6925
6926	/* switch from bypass mode to normal mode */
6927	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_BYPASS_EN_MASK);
6928
6929	r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL);
6930	if (r)
6931		return r;
6932
6933	/* switch VCLK and DCLK selection */
6934	WREG32_P(CG_UPLL_FUNC_CNTL_2,
6935		VCLK_SRC_SEL(2) | DCLK_SRC_SEL(2),
6936		~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK));
6937
6938	mdelay(100);
6939
6940	return 0;
6941}
6942
6943static void si_pcie_gen3_enable(struct radeon_device *rdev)
6944{
6945	struct pci_dev *root = rdev->pdev->bus->self;
6946	int bridge_pos, gpu_pos;
6947	u32 speed_cntl, mask, current_data_rate;
6948	int ret, i;
6949	u16 tmp16;
6950
6951	if (radeon_pcie_gen2 == 0)
6952		return;
6953
6954	if (rdev->flags & RADEON_IS_IGP)
6955		return;
6956
6957	if (!(rdev->flags & RADEON_IS_PCIE))
6958		return;
6959
6960	ret = drm_pcie_get_speed_cap_mask(rdev->ddev, &mask);
6961	if (ret != 0)
6962		return;
6963
6964	if (!(mask & (DRM_PCIE_SPEED_50 | DRM_PCIE_SPEED_80)))
6965		return;
6966
6967	speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
6968	current_data_rate = (speed_cntl & LC_CURRENT_DATA_RATE_MASK) >>
6969		LC_CURRENT_DATA_RATE_SHIFT;
6970	if (mask & DRM_PCIE_SPEED_80) {
6971		if (current_data_rate == 2) {
6972			DRM_INFO("PCIE gen 3 link speeds already enabled\n");
6973			return;
6974		}
6975		DRM_INFO("enabling PCIE gen 3 link speeds, disable with radeon.pcie_gen2=0\n");
6976	} else if (mask & DRM_PCIE_SPEED_50) {
6977		if (current_data_rate == 1) {
6978			DRM_INFO("PCIE gen 2 link speeds already enabled\n");
6979			return;
6980		}
6981		DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n");
6982	}
6983
6984	bridge_pos = pci_pcie_cap(root);
6985	if (!bridge_pos)
6986		return;
6987
6988	gpu_pos = pci_pcie_cap(rdev->pdev);
6989	if (!gpu_pos)
6990		return;
6991
6992	if (mask & DRM_PCIE_SPEED_80) {
6993		/* re-try equalization if gen3 is not already enabled */
6994		if (current_data_rate != 2) {
6995			u16 bridge_cfg, gpu_cfg;
6996			u16 bridge_cfg2, gpu_cfg2;
6997			u32 max_lw, current_lw, tmp;
6998
6999			pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL, &bridge_cfg);
7000			pci_read_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL, &gpu_cfg);
7001
7002			tmp16 = bridge_cfg | PCI_EXP_LNKCTL_HAWD;
7003			pci_write_config_word(root, bridge_pos + PCI_EXP_LNKCTL, tmp16);
7004
7005			tmp16 = gpu_cfg | PCI_EXP_LNKCTL_HAWD;
7006			pci_write_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL, tmp16);
7007
7008			tmp = RREG32_PCIE(PCIE_LC_STATUS1);
7009			max_lw = (tmp & LC_DETECTED_LINK_WIDTH_MASK) >> LC_DETECTED_LINK_WIDTH_SHIFT;
7010			current_lw = (tmp & LC_OPERATING_LINK_WIDTH_MASK) >> LC_OPERATING_LINK_WIDTH_SHIFT;
7011
7012			if (current_lw < max_lw) {
7013				tmp = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
7014				if (tmp & LC_RENEGOTIATION_SUPPORT) {
7015					tmp &= ~(LC_LINK_WIDTH_MASK | LC_UPCONFIGURE_DIS);
7016					tmp |= (max_lw << LC_LINK_WIDTH_SHIFT);
7017					tmp |= LC_UPCONFIGURE_SUPPORT | LC_RENEGOTIATE_EN | LC_RECONFIG_NOW;
7018					WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, tmp);
7019				}
7020			}
7021
7022			for (i = 0; i < 10; i++) {
7023				/* check status */
7024				pci_read_config_word(rdev->pdev, gpu_pos + PCI_EXP_DEVSTA, &tmp16);
7025				if (tmp16 & PCI_EXP_DEVSTA_TRPND)
7026					break;
7027
7028				pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL, &bridge_cfg);
7029				pci_read_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL, &gpu_cfg);
7030
7031				pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL2, &bridge_cfg2);
7032				pci_read_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL2, &gpu_cfg2);
7033
7034				tmp = RREG32_PCIE_PORT(PCIE_LC_CNTL4);
7035				tmp |= LC_SET_QUIESCE;
7036				WREG32_PCIE_PORT(PCIE_LC_CNTL4, tmp);
7037
7038				tmp = RREG32_PCIE_PORT(PCIE_LC_CNTL4);
7039				tmp |= LC_REDO_EQ;
7040				WREG32_PCIE_PORT(PCIE_LC_CNTL4, tmp);
7041
7042				mdelay(100);
7043
7044				/* linkctl */
7045				pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL, &tmp16);
7046				tmp16 &= ~PCI_EXP_LNKCTL_HAWD;
7047				tmp16 |= (bridge_cfg & PCI_EXP_LNKCTL_HAWD);
7048				pci_write_config_word(root, bridge_pos + PCI_EXP_LNKCTL, tmp16);
7049
7050				pci_read_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL, &tmp16);
7051				tmp16 &= ~PCI_EXP_LNKCTL_HAWD;
7052				tmp16 |= (gpu_cfg & PCI_EXP_LNKCTL_HAWD);
7053				pci_write_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL, tmp16);
7054
7055				/* linkctl2 */
7056				pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL2, &tmp16);
7057				tmp16 &= ~((1 << 4) | (7 << 9));
7058				tmp16 |= (bridge_cfg2 & ((1 << 4) | (7 << 9)));
7059				pci_write_config_word(root, bridge_pos + PCI_EXP_LNKCTL2, tmp16);
7060
7061				pci_read_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL2, &tmp16);
7062				tmp16 &= ~((1 << 4) | (7 << 9));
7063				tmp16 |= (gpu_cfg2 & ((1 << 4) | (7 << 9)));
7064				pci_write_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL2, tmp16);
7065
7066				tmp = RREG32_PCIE_PORT(PCIE_LC_CNTL4);
7067				tmp &= ~LC_SET_QUIESCE;
7068				WREG32_PCIE_PORT(PCIE_LC_CNTL4, tmp);
7069			}
7070		}
7071	}
7072
7073	/* set the link speed */
7074	speed_cntl |= LC_FORCE_EN_SW_SPEED_CHANGE | LC_FORCE_DIS_HW_SPEED_CHANGE;
7075	speed_cntl &= ~LC_FORCE_DIS_SW_SPEED_CHANGE;
7076	WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
7077
7078	pci_read_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL2, &tmp16);
7079	tmp16 &= ~0xf;
7080	if (mask & DRM_PCIE_SPEED_80)
7081		tmp16 |= 3; /* gen3 */
7082	else if (mask & DRM_PCIE_SPEED_50)
7083		tmp16 |= 2; /* gen2 */
7084	else
7085		tmp16 |= 1; /* gen1 */
7086	pci_write_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL2, tmp16);
7087
7088	speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
7089	speed_cntl |= LC_INITIATE_LINK_SPEED_CHANGE;
7090	WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
7091
7092	for (i = 0; i < rdev->usec_timeout; i++) {
7093		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
7094		if ((speed_cntl & LC_INITIATE_LINK_SPEED_CHANGE) == 0)
7095			break;
7096		udelay(1);
7097	}
7098}
7099
7100static void si_program_aspm(struct radeon_device *rdev)
7101{
7102	u32 data, orig;
7103	bool disable_l0s = false, disable_l1 = false, disable_plloff_in_l1 = false;
7104	bool disable_clkreq = false;
7105
7106	if (radeon_aspm == 0)
7107		return;
7108
7109	if (!(rdev->flags & RADEON_IS_PCIE))
7110		return;
7111
7112	orig = data = RREG32_PCIE_PORT(PCIE_LC_N_FTS_CNTL);
7113	data &= ~LC_XMIT_N_FTS_MASK;
7114	data |= LC_XMIT_N_FTS(0x24) | LC_XMIT_N_FTS_OVERRIDE_EN;
7115	if (orig != data)
7116		WREG32_PCIE_PORT(PCIE_LC_N_FTS_CNTL, data);
7117
7118	orig = data = RREG32_PCIE_PORT(PCIE_LC_CNTL3);
7119	data |= LC_GO_TO_RECOVERY;
7120	if (orig != data)
7121		WREG32_PCIE_PORT(PCIE_LC_CNTL3, data);
7122
7123	orig = data = RREG32_PCIE(PCIE_P_CNTL);
7124	data |= P_IGNORE_EDB_ERR;
7125	if (orig != data)
7126		WREG32_PCIE(PCIE_P_CNTL, data);
7127
7128	orig = data = RREG32_PCIE_PORT(PCIE_LC_CNTL);
7129	data &= ~(LC_L0S_INACTIVITY_MASK | LC_L1_INACTIVITY_MASK);
7130	data |= LC_PMI_TO_L1_DIS;
7131	if (!disable_l0s)
7132		data |= LC_L0S_INACTIVITY(7);
7133
7134	if (!disable_l1) {
7135		data |= LC_L1_INACTIVITY(7);
7136		data &= ~LC_PMI_TO_L1_DIS;
7137		if (orig != data)
7138			WREG32_PCIE_PORT(PCIE_LC_CNTL, data);
7139
7140		if (!disable_plloff_in_l1) {
7141			bool clk_req_support;
7142
7143			orig = data = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0);
7144			data &= ~(PLL_POWER_STATE_IN_OFF_0_MASK | PLL_POWER_STATE_IN_TXS2_0_MASK);
7145			data |= PLL_POWER_STATE_IN_OFF_0(7) | PLL_POWER_STATE_IN_TXS2_0(7);
7146			if (orig != data)
7147				WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0, data);
7148
7149			orig = data = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1);
7150			data &= ~(PLL_POWER_STATE_IN_OFF_1_MASK | PLL_POWER_STATE_IN_TXS2_1_MASK);
7151			data |= PLL_POWER_STATE_IN_OFF_1(7) | PLL_POWER_STATE_IN_TXS2_1(7);
7152			if (orig != data)
7153				WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1, data);
7154
7155			orig = data = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0);
7156			data &= ~(PLL_POWER_STATE_IN_OFF_0_MASK | PLL_POWER_STATE_IN_TXS2_0_MASK);
7157			data |= PLL_POWER_STATE_IN_OFF_0(7) | PLL_POWER_STATE_IN_TXS2_0(7);
7158			if (orig != data)
7159				WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0, data);
7160
7161			orig = data = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1);
7162			data &= ~(PLL_POWER_STATE_IN_OFF_1_MASK | PLL_POWER_STATE_IN_TXS2_1_MASK);
7163			data |= PLL_POWER_STATE_IN_OFF_1(7) | PLL_POWER_STATE_IN_TXS2_1(7);
7164			if (orig != data)
7165				WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1, data);
7166
7167			if ((rdev->family != CHIP_OLAND) && (rdev->family != CHIP_HAINAN)) {
7168				orig = data = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0);
7169				data &= ~PLL_RAMP_UP_TIME_0_MASK;
7170				if (orig != data)
7171					WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0, data);
7172
7173				orig = data = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1);
7174				data &= ~PLL_RAMP_UP_TIME_1_MASK;
7175				if (orig != data)
7176					WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1, data);
7177
7178				orig = data = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_2);
7179				data &= ~PLL_RAMP_UP_TIME_2_MASK;
7180				if (orig != data)
7181					WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_2, data);
7182
7183				orig = data = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_3);
7184				data &= ~PLL_RAMP_UP_TIME_3_MASK;
7185				if (orig != data)
7186					WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_3, data);
7187
7188				orig = data = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0);
7189				data &= ~PLL_RAMP_UP_TIME_0_MASK;
7190				if (orig != data)
7191					WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0, data);
7192
7193				orig = data = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1);
7194				data &= ~PLL_RAMP_UP_TIME_1_MASK;
7195				if (orig != data)
7196					WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1, data);
7197
7198				orig = data = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_2);
7199				data &= ~PLL_RAMP_UP_TIME_2_MASK;
7200				if (orig != data)
7201					WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_2, data);
7202
7203				orig = data = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_3);
7204				data &= ~PLL_RAMP_UP_TIME_3_MASK;
7205				if (orig != data)
7206					WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_3, data);
7207			}
7208			orig = data = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
7209			data &= ~LC_DYN_LANES_PWR_STATE_MASK;
7210			data |= LC_DYN_LANES_PWR_STATE(3);
7211			if (orig != data)
7212				WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, data);
7213
7214			orig = data = RREG32_PIF_PHY0(PB0_PIF_CNTL);
7215			data &= ~LS2_EXIT_TIME_MASK;
7216			if ((rdev->family == CHIP_OLAND) || (rdev->family == CHIP_HAINAN))
7217				data |= LS2_EXIT_TIME(5);
7218			if (orig != data)
7219				WREG32_PIF_PHY0(PB0_PIF_CNTL, data);
7220
7221			orig = data = RREG32_PIF_PHY1(PB1_PIF_CNTL);
7222			data &= ~LS2_EXIT_TIME_MASK;
7223			if ((rdev->family == CHIP_OLAND) || (rdev->family == CHIP_HAINAN))
7224				data |= LS2_EXIT_TIME(5);
7225			if (orig != data)
7226				WREG32_PIF_PHY1(PB1_PIF_CNTL, data);
7227
7228			if (!disable_clkreq) {
7229				struct pci_dev *root = rdev->pdev->bus->self;
7230				u32 lnkcap;
7231
7232				clk_req_support = false;
7233				pcie_capability_read_dword(root, PCI_EXP_LNKCAP, &lnkcap);
7234				if (lnkcap & PCI_EXP_LNKCAP_CLKPM)
7235					clk_req_support = true;
7236			} else {
7237				clk_req_support = false;
7238			}
7239
7240			if (clk_req_support) {
7241				orig = data = RREG32_PCIE_PORT(PCIE_LC_CNTL2);
7242				data |= LC_ALLOW_PDWN_IN_L1 | LC_ALLOW_PDWN_IN_L23;
7243				if (orig != data)
7244					WREG32_PCIE_PORT(PCIE_LC_CNTL2, data);
7245
7246				orig = data = RREG32(THM_CLK_CNTL);
7247				data &= ~(CMON_CLK_SEL_MASK | TMON_CLK_SEL_MASK);
7248				data |= CMON_CLK_SEL(1) | TMON_CLK_SEL(1);
7249				if (orig != data)
7250					WREG32(THM_CLK_CNTL, data);
7251
7252				orig = data = RREG32(MISC_CLK_CNTL);
7253				data &= ~(DEEP_SLEEP_CLK_SEL_MASK | ZCLK_SEL_MASK);
7254				data |= DEEP_SLEEP_CLK_SEL(1) | ZCLK_SEL(1);
7255				if (orig != data)
7256					WREG32(MISC_CLK_CNTL, data);
7257
7258				orig = data = RREG32(CG_CLKPIN_CNTL);
7259				data &= ~BCLK_AS_XCLK;
7260				if (orig != data)
7261					WREG32(CG_CLKPIN_CNTL, data);
7262
7263				orig = data = RREG32(CG_CLKPIN_CNTL_2);
7264				data &= ~FORCE_BIF_REFCLK_EN;
7265				if (orig != data)
7266					WREG32(CG_CLKPIN_CNTL_2, data);
7267
7268				orig = data = RREG32(MPLL_BYPASSCLK_SEL);
7269				data &= ~MPLL_CLKOUT_SEL_MASK;
7270				data |= MPLL_CLKOUT_SEL(4);
7271				if (orig != data)
7272					WREG32(MPLL_BYPASSCLK_SEL, data);
7273
7274				orig = data = RREG32(SPLL_CNTL_MODE);
7275				data &= ~SPLL_REFCLK_SEL_MASK;
7276				if (orig != data)
7277					WREG32(SPLL_CNTL_MODE, data);
7278			}
7279		}
7280	} else {
7281		if (orig != data)
7282			WREG32_PCIE_PORT(PCIE_LC_CNTL, data);
7283	}
7284
7285	orig = data = RREG32_PCIE(PCIE_CNTL2);
7286	data |= SLV_MEM_LS_EN | MST_MEM_LS_EN | REPLAY_MEM_LS_EN;
7287	if (orig != data)
7288		WREG32_PCIE(PCIE_CNTL2, data);
7289
7290	if (!disable_l0s) {
7291		data = RREG32_PCIE_PORT(PCIE_LC_N_FTS_CNTL);
7292		if((data & LC_N_FTS_MASK) == LC_N_FTS_MASK) {
7293			data = RREG32_PCIE(PCIE_LC_STATUS1);
7294			if ((data & LC_REVERSE_XMIT) && (data & LC_REVERSE_RCVR)) {
7295				orig = data = RREG32_PCIE_PORT(PCIE_LC_CNTL);
7296				data &= ~LC_L0S_INACTIVITY_MASK;
7297				if (orig != data)
7298					WREG32_PCIE_PORT(PCIE_LC_CNTL, data);
7299			}
7300		}
7301	}
7302}