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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
  25#include <linux/firmware.h>
  26#include <linux/module.h>
  27#include <linux/pci.h>
  28#include <linux/slab.h>
  29
  30#include <drm/drm_vblank.h>
  31#include <drm/radeon_drm.h>
  32
  33#include "atom.h"
  34#include "clearstate_si.h"
  35#include "radeon.h"
  36#include "radeon_asic.h"
  37#include "radeon_audio.h"
  38#include "radeon_ucode.h"
  39#include "si_blit_shaders.h"
  40#include "sid.h"
  41
  42
  43MODULE_FIRMWARE("radeon/TAHITI_pfp.bin");
  44MODULE_FIRMWARE("radeon/TAHITI_me.bin");
  45MODULE_FIRMWARE("radeon/TAHITI_ce.bin");
  46MODULE_FIRMWARE("radeon/TAHITI_mc.bin");
  47MODULE_FIRMWARE("radeon/TAHITI_mc2.bin");
  48MODULE_FIRMWARE("radeon/TAHITI_rlc.bin");
  49MODULE_FIRMWARE("radeon/TAHITI_smc.bin");
  50
  51MODULE_FIRMWARE("radeon/tahiti_pfp.bin");
  52MODULE_FIRMWARE("radeon/tahiti_me.bin");
  53MODULE_FIRMWARE("radeon/tahiti_ce.bin");
  54MODULE_FIRMWARE("radeon/tahiti_mc.bin");
  55MODULE_FIRMWARE("radeon/tahiti_rlc.bin");
  56MODULE_FIRMWARE("radeon/tahiti_smc.bin");
  57
  58MODULE_FIRMWARE("radeon/PITCAIRN_pfp.bin");
  59MODULE_FIRMWARE("radeon/PITCAIRN_me.bin");
  60MODULE_FIRMWARE("radeon/PITCAIRN_ce.bin");
  61MODULE_FIRMWARE("radeon/PITCAIRN_mc.bin");
  62MODULE_FIRMWARE("radeon/PITCAIRN_mc2.bin");
  63MODULE_FIRMWARE("radeon/PITCAIRN_rlc.bin");
  64MODULE_FIRMWARE("radeon/PITCAIRN_smc.bin");
  65
  66MODULE_FIRMWARE("radeon/pitcairn_pfp.bin");
  67MODULE_FIRMWARE("radeon/pitcairn_me.bin");
  68MODULE_FIRMWARE("radeon/pitcairn_ce.bin");
  69MODULE_FIRMWARE("radeon/pitcairn_mc.bin");
  70MODULE_FIRMWARE("radeon/pitcairn_rlc.bin");
  71MODULE_FIRMWARE("radeon/pitcairn_smc.bin");
  72MODULE_FIRMWARE("radeon/pitcairn_k_smc.bin");
  73
  74MODULE_FIRMWARE("radeon/VERDE_pfp.bin");
  75MODULE_FIRMWARE("radeon/VERDE_me.bin");
  76MODULE_FIRMWARE("radeon/VERDE_ce.bin");
  77MODULE_FIRMWARE("radeon/VERDE_mc.bin");
  78MODULE_FIRMWARE("radeon/VERDE_mc2.bin");
  79MODULE_FIRMWARE("radeon/VERDE_rlc.bin");
  80MODULE_FIRMWARE("radeon/VERDE_smc.bin");
  81
  82MODULE_FIRMWARE("radeon/verde_pfp.bin");
  83MODULE_FIRMWARE("radeon/verde_me.bin");
  84MODULE_FIRMWARE("radeon/verde_ce.bin");
  85MODULE_FIRMWARE("radeon/verde_mc.bin");
  86MODULE_FIRMWARE("radeon/verde_rlc.bin");
  87MODULE_FIRMWARE("radeon/verde_smc.bin");
  88MODULE_FIRMWARE("radeon/verde_k_smc.bin");
  89
  90MODULE_FIRMWARE("radeon/OLAND_pfp.bin");
  91MODULE_FIRMWARE("radeon/OLAND_me.bin");
  92MODULE_FIRMWARE("radeon/OLAND_ce.bin");
  93MODULE_FIRMWARE("radeon/OLAND_mc.bin");
  94MODULE_FIRMWARE("radeon/OLAND_mc2.bin");
  95MODULE_FIRMWARE("radeon/OLAND_rlc.bin");
  96MODULE_FIRMWARE("radeon/OLAND_smc.bin");
  97
  98MODULE_FIRMWARE("radeon/oland_pfp.bin");
  99MODULE_FIRMWARE("radeon/oland_me.bin");
 100MODULE_FIRMWARE("radeon/oland_ce.bin");
 101MODULE_FIRMWARE("radeon/oland_mc.bin");
 102MODULE_FIRMWARE("radeon/oland_rlc.bin");
 103MODULE_FIRMWARE("radeon/oland_smc.bin");
 104MODULE_FIRMWARE("radeon/oland_k_smc.bin");
 105
 106MODULE_FIRMWARE("radeon/HAINAN_pfp.bin");
 107MODULE_FIRMWARE("radeon/HAINAN_me.bin");
 108MODULE_FIRMWARE("radeon/HAINAN_ce.bin");
 109MODULE_FIRMWARE("radeon/HAINAN_mc.bin");
 110MODULE_FIRMWARE("radeon/HAINAN_mc2.bin");
 111MODULE_FIRMWARE("radeon/HAINAN_rlc.bin");
 112MODULE_FIRMWARE("radeon/HAINAN_smc.bin");
 113
 114MODULE_FIRMWARE("radeon/hainan_pfp.bin");
 115MODULE_FIRMWARE("radeon/hainan_me.bin");
 116MODULE_FIRMWARE("radeon/hainan_ce.bin");
 117MODULE_FIRMWARE("radeon/hainan_mc.bin");
 118MODULE_FIRMWARE("radeon/hainan_rlc.bin");
 119MODULE_FIRMWARE("radeon/hainan_smc.bin");
 120MODULE_FIRMWARE("radeon/hainan_k_smc.bin");
 121MODULE_FIRMWARE("radeon/banks_k_2_smc.bin");
 122
 123MODULE_FIRMWARE("radeon/si58_mc.bin");
 124
 125static u32 si_get_cu_active_bitmap(struct radeon_device *rdev, u32 se, u32 sh);
 126static void si_pcie_gen3_enable(struct radeon_device *rdev);
 127static void si_program_aspm(struct radeon_device *rdev);
 128extern void sumo_rlc_fini(struct radeon_device *rdev);
 129extern int sumo_rlc_init(struct radeon_device *rdev);
 130extern int r600_ih_ring_alloc(struct radeon_device *rdev);
 131extern void r600_ih_ring_fini(struct radeon_device *rdev);
 132extern void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev);
 133extern void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save);
 134extern void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save);
 135extern u32 evergreen_get_number_of_dram_channels(struct radeon_device *rdev);
 136extern void evergreen_print_gpu_status_regs(struct radeon_device *rdev);
 137extern bool evergreen_is_display_hung(struct radeon_device *rdev);
 138static void si_enable_gui_idle_interrupt(struct radeon_device *rdev,
 139					 bool enable);
 140static void si_init_pg(struct radeon_device *rdev);
 141static void si_init_cg(struct radeon_device *rdev);
 142static void si_fini_pg(struct radeon_device *rdev);
 143static void si_fini_cg(struct radeon_device *rdev);
 144static void si_rlc_stop(struct radeon_device *rdev);
 145
 146static const u32 crtc_offsets[] =
 147{
 148	EVERGREEN_CRTC0_REGISTER_OFFSET,
 149	EVERGREEN_CRTC1_REGISTER_OFFSET,
 150	EVERGREEN_CRTC2_REGISTER_OFFSET,
 151	EVERGREEN_CRTC3_REGISTER_OFFSET,
 152	EVERGREEN_CRTC4_REGISTER_OFFSET,
 153	EVERGREEN_CRTC5_REGISTER_OFFSET
 154};
 155
 156static const u32 si_disp_int_status[] =
 157{
 158	DISP_INTERRUPT_STATUS,
 159	DISP_INTERRUPT_STATUS_CONTINUE,
 160	DISP_INTERRUPT_STATUS_CONTINUE2,
 161	DISP_INTERRUPT_STATUS_CONTINUE3,
 162	DISP_INTERRUPT_STATUS_CONTINUE4,
 163	DISP_INTERRUPT_STATUS_CONTINUE5
 164};
 165
 166#define DC_HPDx_CONTROL(x)        (DC_HPD1_CONTROL     + (x * 0xc))
 167#define DC_HPDx_INT_CONTROL(x)    (DC_HPD1_INT_CONTROL + (x * 0xc))
 168#define DC_HPDx_INT_STATUS_REG(x) (DC_HPD1_INT_STATUS  + (x * 0xc))
 169
 170static const u32 verde_rlc_save_restore_register_list[] =
 171{
 172	(0x8000 << 16) | (0x98f4 >> 2),
 173	0x00000000,
 174	(0x8040 << 16) | (0x98f4 >> 2),
 175	0x00000000,
 176	(0x8000 << 16) | (0xe80 >> 2),
 177	0x00000000,
 178	(0x8040 << 16) | (0xe80 >> 2),
 179	0x00000000,
 180	(0x8000 << 16) | (0x89bc >> 2),
 181	0x00000000,
 182	(0x8040 << 16) | (0x89bc >> 2),
 183	0x00000000,
 184	(0x8000 << 16) | (0x8c1c >> 2),
 185	0x00000000,
 186	(0x8040 << 16) | (0x8c1c >> 2),
 187	0x00000000,
 188	(0x9c00 << 16) | (0x98f0 >> 2),
 189	0x00000000,
 190	(0x9c00 << 16) | (0xe7c >> 2),
 191	0x00000000,
 192	(0x8000 << 16) | (0x9148 >> 2),
 193	0x00000000,
 194	(0x8040 << 16) | (0x9148 >> 2),
 195	0x00000000,
 196	(0x9c00 << 16) | (0x9150 >> 2),
 197	0x00000000,
 198	(0x9c00 << 16) | (0x897c >> 2),
 199	0x00000000,
 200	(0x9c00 << 16) | (0x8d8c >> 2),
 201	0x00000000,
 202	(0x9c00 << 16) | (0xac54 >> 2),
 203	0X00000000,
 204	0x3,
 205	(0x9c00 << 16) | (0x98f8 >> 2),
 206	0x00000000,
 207	(0x9c00 << 16) | (0x9910 >> 2),
 208	0x00000000,
 209	(0x9c00 << 16) | (0x9914 >> 2),
 210	0x00000000,
 211	(0x9c00 << 16) | (0x9918 >> 2),
 212	0x00000000,
 213	(0x9c00 << 16) | (0x991c >> 2),
 214	0x00000000,
 215	(0x9c00 << 16) | (0x9920 >> 2),
 216	0x00000000,
 217	(0x9c00 << 16) | (0x9924 >> 2),
 218	0x00000000,
 219	(0x9c00 << 16) | (0x9928 >> 2),
 220	0x00000000,
 221	(0x9c00 << 16) | (0x992c >> 2),
 222	0x00000000,
 223	(0x9c00 << 16) | (0x9930 >> 2),
 224	0x00000000,
 225	(0x9c00 << 16) | (0x9934 >> 2),
 226	0x00000000,
 227	(0x9c00 << 16) | (0x9938 >> 2),
 228	0x00000000,
 229	(0x9c00 << 16) | (0x993c >> 2),
 230	0x00000000,
 231	(0x9c00 << 16) | (0x9940 >> 2),
 232	0x00000000,
 233	(0x9c00 << 16) | (0x9944 >> 2),
 234	0x00000000,
 235	(0x9c00 << 16) | (0x9948 >> 2),
 236	0x00000000,
 237	(0x9c00 << 16) | (0x994c >> 2),
 238	0x00000000,
 239	(0x9c00 << 16) | (0x9950 >> 2),
 240	0x00000000,
 241	(0x9c00 << 16) | (0x9954 >> 2),
 242	0x00000000,
 243	(0x9c00 << 16) | (0x9958 >> 2),
 244	0x00000000,
 245	(0x9c00 << 16) | (0x995c >> 2),
 246	0x00000000,
 247	(0x9c00 << 16) | (0x9960 >> 2),
 248	0x00000000,
 249	(0x9c00 << 16) | (0x9964 >> 2),
 250	0x00000000,
 251	(0x9c00 << 16) | (0x9968 >> 2),
 252	0x00000000,
 253	(0x9c00 << 16) | (0x996c >> 2),
 254	0x00000000,
 255	(0x9c00 << 16) | (0x9970 >> 2),
 256	0x00000000,
 257	(0x9c00 << 16) | (0x9974 >> 2),
 258	0x00000000,
 259	(0x9c00 << 16) | (0x9978 >> 2),
 260	0x00000000,
 261	(0x9c00 << 16) | (0x997c >> 2),
 262	0x00000000,
 263	(0x9c00 << 16) | (0x9980 >> 2),
 264	0x00000000,
 265	(0x9c00 << 16) | (0x9984 >> 2),
 266	0x00000000,
 267	(0x9c00 << 16) | (0x9988 >> 2),
 268	0x00000000,
 269	(0x9c00 << 16) | (0x998c >> 2),
 270	0x00000000,
 271	(0x9c00 << 16) | (0x8c00 >> 2),
 272	0x00000000,
 273	(0x9c00 << 16) | (0x8c14 >> 2),
 274	0x00000000,
 275	(0x9c00 << 16) | (0x8c04 >> 2),
 276	0x00000000,
 277	(0x9c00 << 16) | (0x8c08 >> 2),
 278	0x00000000,
 279	(0x8000 << 16) | (0x9b7c >> 2),
 280	0x00000000,
 281	(0x8040 << 16) | (0x9b7c >> 2),
 282	0x00000000,
 283	(0x8000 << 16) | (0xe84 >> 2),
 284	0x00000000,
 285	(0x8040 << 16) | (0xe84 >> 2),
 286	0x00000000,
 287	(0x8000 << 16) | (0x89c0 >> 2),
 288	0x00000000,
 289	(0x8040 << 16) | (0x89c0 >> 2),
 290	0x00000000,
 291	(0x8000 << 16) | (0x914c >> 2),
 292	0x00000000,
 293	(0x8040 << 16) | (0x914c >> 2),
 294	0x00000000,
 295	(0x8000 << 16) | (0x8c20 >> 2),
 296	0x00000000,
 297	(0x8040 << 16) | (0x8c20 >> 2),
 298	0x00000000,
 299	(0x8000 << 16) | (0x9354 >> 2),
 300	0x00000000,
 301	(0x8040 << 16) | (0x9354 >> 2),
 302	0x00000000,
 303	(0x9c00 << 16) | (0x9060 >> 2),
 304	0x00000000,
 305	(0x9c00 << 16) | (0x9364 >> 2),
 306	0x00000000,
 307	(0x9c00 << 16) | (0x9100 >> 2),
 308	0x00000000,
 309	(0x9c00 << 16) | (0x913c >> 2),
 310	0x00000000,
 311	(0x8000 << 16) | (0x90e0 >> 2),
 312	0x00000000,
 313	(0x8000 << 16) | (0x90e4 >> 2),
 314	0x00000000,
 315	(0x8000 << 16) | (0x90e8 >> 2),
 316	0x00000000,
 317	(0x8040 << 16) | (0x90e0 >> 2),
 318	0x00000000,
 319	(0x8040 << 16) | (0x90e4 >> 2),
 320	0x00000000,
 321	(0x8040 << 16) | (0x90e8 >> 2),
 322	0x00000000,
 323	(0x9c00 << 16) | (0x8bcc >> 2),
 324	0x00000000,
 325	(0x9c00 << 16) | (0x8b24 >> 2),
 326	0x00000000,
 327	(0x9c00 << 16) | (0x88c4 >> 2),
 328	0x00000000,
 329	(0x9c00 << 16) | (0x8e50 >> 2),
 330	0x00000000,
 331	(0x9c00 << 16) | (0x8c0c >> 2),
 332	0x00000000,
 333	(0x9c00 << 16) | (0x8e58 >> 2),
 334	0x00000000,
 335	(0x9c00 << 16) | (0x8e5c >> 2),
 336	0x00000000,
 337	(0x9c00 << 16) | (0x9508 >> 2),
 338	0x00000000,
 339	(0x9c00 << 16) | (0x950c >> 2),
 340	0x00000000,
 341	(0x9c00 << 16) | (0x9494 >> 2),
 342	0x00000000,
 343	(0x9c00 << 16) | (0xac0c >> 2),
 344	0x00000000,
 345	(0x9c00 << 16) | (0xac10 >> 2),
 346	0x00000000,
 347	(0x9c00 << 16) | (0xac14 >> 2),
 348	0x00000000,
 349	(0x9c00 << 16) | (0xae00 >> 2),
 350	0x00000000,
 351	(0x9c00 << 16) | (0xac08 >> 2),
 352	0x00000000,
 353	(0x9c00 << 16) | (0x88d4 >> 2),
 354	0x00000000,
 355	(0x9c00 << 16) | (0x88c8 >> 2),
 356	0x00000000,
 357	(0x9c00 << 16) | (0x88cc >> 2),
 358	0x00000000,
 359	(0x9c00 << 16) | (0x89b0 >> 2),
 360	0x00000000,
 361	(0x9c00 << 16) | (0x8b10 >> 2),
 362	0x00000000,
 363	(0x9c00 << 16) | (0x8a14 >> 2),
 364	0x00000000,
 365	(0x9c00 << 16) | (0x9830 >> 2),
 366	0x00000000,
 367	(0x9c00 << 16) | (0x9834 >> 2),
 368	0x00000000,
 369	(0x9c00 << 16) | (0x9838 >> 2),
 370	0x00000000,
 371	(0x9c00 << 16) | (0x9a10 >> 2),
 372	0x00000000,
 373	(0x8000 << 16) | (0x9870 >> 2),
 374	0x00000000,
 375	(0x8000 << 16) | (0x9874 >> 2),
 376	0x00000000,
 377	(0x8001 << 16) | (0x9870 >> 2),
 378	0x00000000,
 379	(0x8001 << 16) | (0x9874 >> 2),
 380	0x00000000,
 381	(0x8040 << 16) | (0x9870 >> 2),
 382	0x00000000,
 383	(0x8040 << 16) | (0x9874 >> 2),
 384	0x00000000,
 385	(0x8041 << 16) | (0x9870 >> 2),
 386	0x00000000,
 387	(0x8041 << 16) | (0x9874 >> 2),
 388	0x00000000,
 389	0x00000000
 390};
 391
 392static const u32 tahiti_golden_rlc_registers[] =
 393{
 394	0xc424, 0xffffffff, 0x00601005,
 395	0xc47c, 0xffffffff, 0x10104040,
 396	0xc488, 0xffffffff, 0x0100000a,
 397	0xc314, 0xffffffff, 0x00000800,
 398	0xc30c, 0xffffffff, 0x800000f4,
 399	0xf4a8, 0xffffffff, 0x00000000
 400};
 401
 402static const u32 tahiti_golden_registers[] =
 403{
 404	0x9a10, 0x00010000, 0x00018208,
 405	0x9830, 0xffffffff, 0x00000000,
 406	0x9834, 0xf00fffff, 0x00000400,
 407	0x9838, 0x0002021c, 0x00020200,
 408	0xc78, 0x00000080, 0x00000000,
 409	0xd030, 0x000300c0, 0x00800040,
 410	0xd830, 0x000300c0, 0x00800040,
 411	0x5bb0, 0x000000f0, 0x00000070,
 412	0x5bc0, 0x00200000, 0x50100000,
 413	0x7030, 0x31000311, 0x00000011,
 414	0x277c, 0x00000003, 0x000007ff,
 415	0x240c, 0x000007ff, 0x00000000,
 416	0x8a14, 0xf000001f, 0x00000007,
 417	0x8b24, 0xffffffff, 0x00ffffff,
 418	0x8b10, 0x0000ff0f, 0x00000000,
 419	0x28a4c, 0x07ffffff, 0x4e000000,
 420	0x28350, 0x3f3f3fff, 0x2a00126a,
 421	0x30, 0x000000ff, 0x0040,
 422	0x34, 0x00000040, 0x00004040,
 423	0x9100, 0x07ffffff, 0x03000000,
 424	0x8e88, 0x01ff1f3f, 0x00000000,
 425	0x8e84, 0x01ff1f3f, 0x00000000,
 426	0x9060, 0x0000007f, 0x00000020,
 427	0x9508, 0x00010000, 0x00010000,
 428	0xac14, 0x00000200, 0x000002fb,
 429	0xac10, 0xffffffff, 0x0000543b,
 430	0xac0c, 0xffffffff, 0xa9210876,
 431	0x88d0, 0xffffffff, 0x000fff40,
 432	0x88d4, 0x0000001f, 0x00000010,
 433	0x1410, 0x20000000, 0x20fffed8,
 434	0x15c0, 0x000c0fc0, 0x000c0400
 435};
 436
 437static const u32 tahiti_golden_registers2[] =
 438{
 439	0xc64, 0x00000001, 0x00000001
 440};
 441
 442static const u32 pitcairn_golden_rlc_registers[] =
 443{
 444	0xc424, 0xffffffff, 0x00601004,
 445	0xc47c, 0xffffffff, 0x10102020,
 446	0xc488, 0xffffffff, 0x01000020,
 447	0xc314, 0xffffffff, 0x00000800,
 448	0xc30c, 0xffffffff, 0x800000a4
 449};
 450
 451static const u32 pitcairn_golden_registers[] =
 452{
 453	0x9a10, 0x00010000, 0x00018208,
 454	0x9830, 0xffffffff, 0x00000000,
 455	0x9834, 0xf00fffff, 0x00000400,
 456	0x9838, 0x0002021c, 0x00020200,
 457	0xc78, 0x00000080, 0x00000000,
 458	0xd030, 0x000300c0, 0x00800040,
 459	0xd830, 0x000300c0, 0x00800040,
 460	0x5bb0, 0x000000f0, 0x00000070,
 461	0x5bc0, 0x00200000, 0x50100000,
 462	0x7030, 0x31000311, 0x00000011,
 463	0x2ae4, 0x00073ffe, 0x000022a2,
 464	0x240c, 0x000007ff, 0x00000000,
 465	0x8a14, 0xf000001f, 0x00000007,
 466	0x8b24, 0xffffffff, 0x00ffffff,
 467	0x8b10, 0x0000ff0f, 0x00000000,
 468	0x28a4c, 0x07ffffff, 0x4e000000,
 469	0x28350, 0x3f3f3fff, 0x2a00126a,
 470	0x30, 0x000000ff, 0x0040,
 471	0x34, 0x00000040, 0x00004040,
 472	0x9100, 0x07ffffff, 0x03000000,
 473	0x9060, 0x0000007f, 0x00000020,
 474	0x9508, 0x00010000, 0x00010000,
 475	0xac14, 0x000003ff, 0x000000f7,
 476	0xac10, 0xffffffff, 0x00000000,
 477	0xac0c, 0xffffffff, 0x32761054,
 478	0x88d4, 0x0000001f, 0x00000010,
 479	0x15c0, 0x000c0fc0, 0x000c0400
 480};
 481
 482static const u32 verde_golden_rlc_registers[] =
 483{
 484	0xc424, 0xffffffff, 0x033f1005,
 485	0xc47c, 0xffffffff, 0x10808020,
 486	0xc488, 0xffffffff, 0x00800008,
 487	0xc314, 0xffffffff, 0x00001000,
 488	0xc30c, 0xffffffff, 0x80010014
 489};
 490
 491static const u32 verde_golden_registers[] =
 492{
 493	0x9a10, 0x00010000, 0x00018208,
 494	0x9830, 0xffffffff, 0x00000000,
 495	0x9834, 0xf00fffff, 0x00000400,
 496	0x9838, 0x0002021c, 0x00020200,
 497	0xc78, 0x00000080, 0x00000000,
 498	0xd030, 0x000300c0, 0x00800040,
 499	0xd030, 0x000300c0, 0x00800040,
 500	0xd830, 0x000300c0, 0x00800040,
 501	0xd830, 0x000300c0, 0x00800040,
 502	0x5bb0, 0x000000f0, 0x00000070,
 503	0x5bc0, 0x00200000, 0x50100000,
 504	0x7030, 0x31000311, 0x00000011,
 505	0x2ae4, 0x00073ffe, 0x000022a2,
 506	0x2ae4, 0x00073ffe, 0x000022a2,
 507	0x2ae4, 0x00073ffe, 0x000022a2,
 508	0x240c, 0x000007ff, 0x00000000,
 509	0x240c, 0x000007ff, 0x00000000,
 510	0x240c, 0x000007ff, 0x00000000,
 511	0x8a14, 0xf000001f, 0x00000007,
 512	0x8a14, 0xf000001f, 0x00000007,
 513	0x8a14, 0xf000001f, 0x00000007,
 514	0x8b24, 0xffffffff, 0x00ffffff,
 515	0x8b10, 0x0000ff0f, 0x00000000,
 516	0x28a4c, 0x07ffffff, 0x4e000000,
 517	0x28350, 0x3f3f3fff, 0x0000124a,
 518	0x28350, 0x3f3f3fff, 0x0000124a,
 519	0x28350, 0x3f3f3fff, 0x0000124a,
 520	0x30, 0x000000ff, 0x0040,
 521	0x34, 0x00000040, 0x00004040,
 522	0x9100, 0x07ffffff, 0x03000000,
 523	0x9100, 0x07ffffff, 0x03000000,
 524	0x8e88, 0x01ff1f3f, 0x00000000,
 525	0x8e88, 0x01ff1f3f, 0x00000000,
 526	0x8e88, 0x01ff1f3f, 0x00000000,
 527	0x8e84, 0x01ff1f3f, 0x00000000,
 528	0x8e84, 0x01ff1f3f, 0x00000000,
 529	0x8e84, 0x01ff1f3f, 0x00000000,
 530	0x9060, 0x0000007f, 0x00000020,
 531	0x9508, 0x00010000, 0x00010000,
 532	0xac14, 0x000003ff, 0x00000003,
 533	0xac14, 0x000003ff, 0x00000003,
 534	0xac14, 0x000003ff, 0x00000003,
 535	0xac10, 0xffffffff, 0x00000000,
 536	0xac10, 0xffffffff, 0x00000000,
 537	0xac10, 0xffffffff, 0x00000000,
 538	0xac0c, 0xffffffff, 0x00001032,
 539	0xac0c, 0xffffffff, 0x00001032,
 540	0xac0c, 0xffffffff, 0x00001032,
 541	0x88d4, 0x0000001f, 0x00000010,
 542	0x88d4, 0x0000001f, 0x00000010,
 543	0x88d4, 0x0000001f, 0x00000010,
 544	0x15c0, 0x000c0fc0, 0x000c0400
 545};
 546
 547static const u32 oland_golden_rlc_registers[] =
 548{
 549	0xc424, 0xffffffff, 0x00601005,
 550	0xc47c, 0xffffffff, 0x10104040,
 551	0xc488, 0xffffffff, 0x0100000a,
 552	0xc314, 0xffffffff, 0x00000800,
 553	0xc30c, 0xffffffff, 0x800000f4
 554};
 555
 556static const u32 oland_golden_registers[] =
 557{
 558	0x9a10, 0x00010000, 0x00018208,
 559	0x9830, 0xffffffff, 0x00000000,
 560	0x9834, 0xf00fffff, 0x00000400,
 561	0x9838, 0x0002021c, 0x00020200,
 562	0xc78, 0x00000080, 0x00000000,
 563	0xd030, 0x000300c0, 0x00800040,
 564	0xd830, 0x000300c0, 0x00800040,
 565	0x5bb0, 0x000000f0, 0x00000070,
 566	0x5bc0, 0x00200000, 0x50100000,
 567	0x7030, 0x31000311, 0x00000011,
 568	0x2ae4, 0x00073ffe, 0x000022a2,
 569	0x240c, 0x000007ff, 0x00000000,
 570	0x8a14, 0xf000001f, 0x00000007,
 571	0x8b24, 0xffffffff, 0x00ffffff,
 572	0x8b10, 0x0000ff0f, 0x00000000,
 573	0x28a4c, 0x07ffffff, 0x4e000000,
 574	0x28350, 0x3f3f3fff, 0x00000082,
 575	0x30, 0x000000ff, 0x0040,
 576	0x34, 0x00000040, 0x00004040,
 577	0x9100, 0x07ffffff, 0x03000000,
 578	0x9060, 0x0000007f, 0x00000020,
 579	0x9508, 0x00010000, 0x00010000,
 580	0xac14, 0x000003ff, 0x000000f3,
 581	0xac10, 0xffffffff, 0x00000000,
 582	0xac0c, 0xffffffff, 0x00003210,
 583	0x88d4, 0x0000001f, 0x00000010,
 584	0x15c0, 0x000c0fc0, 0x000c0400
 585};
 586
 587static const u32 hainan_golden_registers[] =
 588{
 589	0x9a10, 0x00010000, 0x00018208,
 590	0x9830, 0xffffffff, 0x00000000,
 591	0x9834, 0xf00fffff, 0x00000400,
 592	0x9838, 0x0002021c, 0x00020200,
 593	0xd0c0, 0xff000fff, 0x00000100,
 594	0xd030, 0x000300c0, 0x00800040,
 595	0xd8c0, 0xff000fff, 0x00000100,
 596	0xd830, 0x000300c0, 0x00800040,
 597	0x2ae4, 0x00073ffe, 0x000022a2,
 598	0x240c, 0x000007ff, 0x00000000,
 599	0x8a14, 0xf000001f, 0x00000007,
 600	0x8b24, 0xffffffff, 0x00ffffff,
 601	0x8b10, 0x0000ff0f, 0x00000000,
 602	0x28a4c, 0x07ffffff, 0x4e000000,
 603	0x28350, 0x3f3f3fff, 0x00000000,
 604	0x30, 0x000000ff, 0x0040,
 605	0x34, 0x00000040, 0x00004040,
 606	0x9100, 0x03e00000, 0x03600000,
 607	0x9060, 0x0000007f, 0x00000020,
 608	0x9508, 0x00010000, 0x00010000,
 609	0xac14, 0x000003ff, 0x000000f1,
 610	0xac10, 0xffffffff, 0x00000000,
 611	0xac0c, 0xffffffff, 0x00003210,
 612	0x88d4, 0x0000001f, 0x00000010,
 613	0x15c0, 0x000c0fc0, 0x000c0400
 614};
 615
 616static const u32 hainan_golden_registers2[] =
 617{
 618	0x98f8, 0xffffffff, 0x02010001
 619};
 620
 621static const u32 tahiti_mgcg_cgcg_init[] =
 622{
 623	0xc400, 0xffffffff, 0xfffffffc,
 624	0x802c, 0xffffffff, 0xe0000000,
 625	0x9a60, 0xffffffff, 0x00000100,
 626	0x92a4, 0xffffffff, 0x00000100,
 627	0xc164, 0xffffffff, 0x00000100,
 628	0x9774, 0xffffffff, 0x00000100,
 629	0x8984, 0xffffffff, 0x06000100,
 630	0x8a18, 0xffffffff, 0x00000100,
 631	0x92a0, 0xffffffff, 0x00000100,
 632	0xc380, 0xffffffff, 0x00000100,
 633	0x8b28, 0xffffffff, 0x00000100,
 634	0x9144, 0xffffffff, 0x00000100,
 635	0x8d88, 0xffffffff, 0x00000100,
 636	0x8d8c, 0xffffffff, 0x00000100,
 637	0x9030, 0xffffffff, 0x00000100,
 638	0x9034, 0xffffffff, 0x00000100,
 639	0x9038, 0xffffffff, 0x00000100,
 640	0x903c, 0xffffffff, 0x00000100,
 641	0xad80, 0xffffffff, 0x00000100,
 642	0xac54, 0xffffffff, 0x00000100,
 643	0x897c, 0xffffffff, 0x06000100,
 644	0x9868, 0xffffffff, 0x00000100,
 645	0x9510, 0xffffffff, 0x00000100,
 646	0xaf04, 0xffffffff, 0x00000100,
 647	0xae04, 0xffffffff, 0x00000100,
 648	0x949c, 0xffffffff, 0x00000100,
 649	0x802c, 0xffffffff, 0xe0000000,
 650	0x9160, 0xffffffff, 0x00010000,
 651	0x9164, 0xffffffff, 0x00030002,
 652	0x9168, 0xffffffff, 0x00040007,
 653	0x916c, 0xffffffff, 0x00060005,
 654	0x9170, 0xffffffff, 0x00090008,
 655	0x9174, 0xffffffff, 0x00020001,
 656	0x9178, 0xffffffff, 0x00040003,
 657	0x917c, 0xffffffff, 0x00000007,
 658	0x9180, 0xffffffff, 0x00060005,
 659	0x9184, 0xffffffff, 0x00090008,
 660	0x9188, 0xffffffff, 0x00030002,
 661	0x918c, 0xffffffff, 0x00050004,
 662	0x9190, 0xffffffff, 0x00000008,
 663	0x9194, 0xffffffff, 0x00070006,
 664	0x9198, 0xffffffff, 0x000a0009,
 665	0x919c, 0xffffffff, 0x00040003,
 666	0x91a0, 0xffffffff, 0x00060005,
 667	0x91a4, 0xffffffff, 0x00000009,
 668	0x91a8, 0xffffffff, 0x00080007,
 669	0x91ac, 0xffffffff, 0x000b000a,
 670	0x91b0, 0xffffffff, 0x00050004,
 671	0x91b4, 0xffffffff, 0x00070006,
 672	0x91b8, 0xffffffff, 0x0008000b,
 673	0x91bc, 0xffffffff, 0x000a0009,
 674	0x91c0, 0xffffffff, 0x000d000c,
 675	0x91c4, 0xffffffff, 0x00060005,
 676	0x91c8, 0xffffffff, 0x00080007,
 677	0x91cc, 0xffffffff, 0x0000000b,
 678	0x91d0, 0xffffffff, 0x000a0009,
 679	0x91d4, 0xffffffff, 0x000d000c,
 680	0x91d8, 0xffffffff, 0x00070006,
 681	0x91dc, 0xffffffff, 0x00090008,
 682	0x91e0, 0xffffffff, 0x0000000c,
 683	0x91e4, 0xffffffff, 0x000b000a,
 684	0x91e8, 0xffffffff, 0x000e000d,
 685	0x91ec, 0xffffffff, 0x00080007,
 686	0x91f0, 0xffffffff, 0x000a0009,
 687	0x91f4, 0xffffffff, 0x0000000d,
 688	0x91f8, 0xffffffff, 0x000c000b,
 689	0x91fc, 0xffffffff, 0x000f000e,
 690	0x9200, 0xffffffff, 0x00090008,
 691	0x9204, 0xffffffff, 0x000b000a,
 692	0x9208, 0xffffffff, 0x000c000f,
 693	0x920c, 0xffffffff, 0x000e000d,
 694	0x9210, 0xffffffff, 0x00110010,
 695	0x9214, 0xffffffff, 0x000a0009,
 696	0x9218, 0xffffffff, 0x000c000b,
 697	0x921c, 0xffffffff, 0x0000000f,
 698	0x9220, 0xffffffff, 0x000e000d,
 699	0x9224, 0xffffffff, 0x00110010,
 700	0x9228, 0xffffffff, 0x000b000a,
 701	0x922c, 0xffffffff, 0x000d000c,
 702	0x9230, 0xffffffff, 0x00000010,
 703	0x9234, 0xffffffff, 0x000f000e,
 704	0x9238, 0xffffffff, 0x00120011,
 705	0x923c, 0xffffffff, 0x000c000b,
 706	0x9240, 0xffffffff, 0x000e000d,
 707	0x9244, 0xffffffff, 0x00000011,
 708	0x9248, 0xffffffff, 0x0010000f,
 709	0x924c, 0xffffffff, 0x00130012,
 710	0x9250, 0xffffffff, 0x000d000c,
 711	0x9254, 0xffffffff, 0x000f000e,
 712	0x9258, 0xffffffff, 0x00100013,
 713	0x925c, 0xffffffff, 0x00120011,
 714	0x9260, 0xffffffff, 0x00150014,
 715	0x9264, 0xffffffff, 0x000e000d,
 716	0x9268, 0xffffffff, 0x0010000f,
 717	0x926c, 0xffffffff, 0x00000013,
 718	0x9270, 0xffffffff, 0x00120011,
 719	0x9274, 0xffffffff, 0x00150014,
 720	0x9278, 0xffffffff, 0x000f000e,
 721	0x927c, 0xffffffff, 0x00110010,
 722	0x9280, 0xffffffff, 0x00000014,
 723	0x9284, 0xffffffff, 0x00130012,
 724	0x9288, 0xffffffff, 0x00160015,
 725	0x928c, 0xffffffff, 0x0010000f,
 726	0x9290, 0xffffffff, 0x00120011,
 727	0x9294, 0xffffffff, 0x00000015,
 728	0x9298, 0xffffffff, 0x00140013,
 729	0x929c, 0xffffffff, 0x00170016,
 730	0x9150, 0xffffffff, 0x96940200,
 731	0x8708, 0xffffffff, 0x00900100,
 732	0xc478, 0xffffffff, 0x00000080,
 733	0xc404, 0xffffffff, 0x0020003f,
 734	0x30, 0xffffffff, 0x0000001c,
 735	0x34, 0x000f0000, 0x000f0000,
 736	0x160c, 0xffffffff, 0x00000100,
 737	0x1024, 0xffffffff, 0x00000100,
 738	0x102c, 0x00000101, 0x00000000,
 739	0x20a8, 0xffffffff, 0x00000104,
 740	0x264c, 0x000c0000, 0x000c0000,
 741	0x2648, 0x000c0000, 0x000c0000,
 742	0x55e4, 0xff000fff, 0x00000100,
 743	0x55e8, 0x00000001, 0x00000001,
 744	0x2f50, 0x00000001, 0x00000001,
 745	0x30cc, 0xc0000fff, 0x00000104,
 746	0xc1e4, 0x00000001, 0x00000001,
 747	0xd0c0, 0xfffffff0, 0x00000100,
 748	0xd8c0, 0xfffffff0, 0x00000100
 749};
 750
 751static const u32 pitcairn_mgcg_cgcg_init[] =
 752{
 753	0xc400, 0xffffffff, 0xfffffffc,
 754	0x802c, 0xffffffff, 0xe0000000,
 755	0x9a60, 0xffffffff, 0x00000100,
 756	0x92a4, 0xffffffff, 0x00000100,
 757	0xc164, 0xffffffff, 0x00000100,
 758	0x9774, 0xffffffff, 0x00000100,
 759	0x8984, 0xffffffff, 0x06000100,
 760	0x8a18, 0xffffffff, 0x00000100,
 761	0x92a0, 0xffffffff, 0x00000100,
 762	0xc380, 0xffffffff, 0x00000100,
 763	0x8b28, 0xffffffff, 0x00000100,
 764	0x9144, 0xffffffff, 0x00000100,
 765	0x8d88, 0xffffffff, 0x00000100,
 766	0x8d8c, 0xffffffff, 0x00000100,
 767	0x9030, 0xffffffff, 0x00000100,
 768	0x9034, 0xffffffff, 0x00000100,
 769	0x9038, 0xffffffff, 0x00000100,
 770	0x903c, 0xffffffff, 0x00000100,
 771	0xad80, 0xffffffff, 0x00000100,
 772	0xac54, 0xffffffff, 0x00000100,
 773	0x897c, 0xffffffff, 0x06000100,
 774	0x9868, 0xffffffff, 0x00000100,
 775	0x9510, 0xffffffff, 0x00000100,
 776	0xaf04, 0xffffffff, 0x00000100,
 777	0xae04, 0xffffffff, 0x00000100,
 778	0x949c, 0xffffffff, 0x00000100,
 779	0x802c, 0xffffffff, 0xe0000000,
 780	0x9160, 0xffffffff, 0x00010000,
 781	0x9164, 0xffffffff, 0x00030002,
 782	0x9168, 0xffffffff, 0x00040007,
 783	0x916c, 0xffffffff, 0x00060005,
 784	0x9170, 0xffffffff, 0x00090008,
 785	0x9174, 0xffffffff, 0x00020001,
 786	0x9178, 0xffffffff, 0x00040003,
 787	0x917c, 0xffffffff, 0x00000007,
 788	0x9180, 0xffffffff, 0x00060005,
 789	0x9184, 0xffffffff, 0x00090008,
 790	0x9188, 0xffffffff, 0x00030002,
 791	0x918c, 0xffffffff, 0x00050004,
 792	0x9190, 0xffffffff, 0x00000008,
 793	0x9194, 0xffffffff, 0x00070006,
 794	0x9198, 0xffffffff, 0x000a0009,
 795	0x919c, 0xffffffff, 0x00040003,
 796	0x91a0, 0xffffffff, 0x00060005,
 797	0x91a4, 0xffffffff, 0x00000009,
 798	0x91a8, 0xffffffff, 0x00080007,
 799	0x91ac, 0xffffffff, 0x000b000a,
 800	0x91b0, 0xffffffff, 0x00050004,
 801	0x91b4, 0xffffffff, 0x00070006,
 802	0x91b8, 0xffffffff, 0x0008000b,
 803	0x91bc, 0xffffffff, 0x000a0009,
 804	0x91c0, 0xffffffff, 0x000d000c,
 805	0x9200, 0xffffffff, 0x00090008,
 806	0x9204, 0xffffffff, 0x000b000a,
 807	0x9208, 0xffffffff, 0x000c000f,
 808	0x920c, 0xffffffff, 0x000e000d,
 809	0x9210, 0xffffffff, 0x00110010,
 810	0x9214, 0xffffffff, 0x000a0009,
 811	0x9218, 0xffffffff, 0x000c000b,
 812	0x921c, 0xffffffff, 0x0000000f,
 813	0x9220, 0xffffffff, 0x000e000d,
 814	0x9224, 0xffffffff, 0x00110010,
 815	0x9228, 0xffffffff, 0x000b000a,
 816	0x922c, 0xffffffff, 0x000d000c,
 817	0x9230, 0xffffffff, 0x00000010,
 818	0x9234, 0xffffffff, 0x000f000e,
 819	0x9238, 0xffffffff, 0x00120011,
 820	0x923c, 0xffffffff, 0x000c000b,
 821	0x9240, 0xffffffff, 0x000e000d,
 822	0x9244, 0xffffffff, 0x00000011,
 823	0x9248, 0xffffffff, 0x0010000f,
 824	0x924c, 0xffffffff, 0x00130012,
 825	0x9250, 0xffffffff, 0x000d000c,
 826	0x9254, 0xffffffff, 0x000f000e,
 827	0x9258, 0xffffffff, 0x00100013,
 828	0x925c, 0xffffffff, 0x00120011,
 829	0x9260, 0xffffffff, 0x00150014,
 830	0x9150, 0xffffffff, 0x96940200,
 831	0x8708, 0xffffffff, 0x00900100,
 832	0xc478, 0xffffffff, 0x00000080,
 833	0xc404, 0xffffffff, 0x0020003f,
 834	0x30, 0xffffffff, 0x0000001c,
 835	0x34, 0x000f0000, 0x000f0000,
 836	0x160c, 0xffffffff, 0x00000100,
 837	0x1024, 0xffffffff, 0x00000100,
 838	0x102c, 0x00000101, 0x00000000,
 839	0x20a8, 0xffffffff, 0x00000104,
 840	0x55e4, 0xff000fff, 0x00000100,
 841	0x55e8, 0x00000001, 0x00000001,
 842	0x2f50, 0x00000001, 0x00000001,
 843	0x30cc, 0xc0000fff, 0x00000104,
 844	0xc1e4, 0x00000001, 0x00000001,
 845	0xd0c0, 0xfffffff0, 0x00000100,
 846	0xd8c0, 0xfffffff0, 0x00000100
 847};
 848
 849static const u32 verde_mgcg_cgcg_init[] =
 850{
 851	0xc400, 0xffffffff, 0xfffffffc,
 852	0x802c, 0xffffffff, 0xe0000000,
 853	0x9a60, 0xffffffff, 0x00000100,
 854	0x92a4, 0xffffffff, 0x00000100,
 855	0xc164, 0xffffffff, 0x00000100,
 856	0x9774, 0xffffffff, 0x00000100,
 857	0x8984, 0xffffffff, 0x06000100,
 858	0x8a18, 0xffffffff, 0x00000100,
 859	0x92a0, 0xffffffff, 0x00000100,
 860	0xc380, 0xffffffff, 0x00000100,
 861	0x8b28, 0xffffffff, 0x00000100,
 862	0x9144, 0xffffffff, 0x00000100,
 863	0x8d88, 0xffffffff, 0x00000100,
 864	0x8d8c, 0xffffffff, 0x00000100,
 865	0x9030, 0xffffffff, 0x00000100,
 866	0x9034, 0xffffffff, 0x00000100,
 867	0x9038, 0xffffffff, 0x00000100,
 868	0x903c, 0xffffffff, 0x00000100,
 869	0xad80, 0xffffffff, 0x00000100,
 870	0xac54, 0xffffffff, 0x00000100,
 871	0x897c, 0xffffffff, 0x06000100,
 872	0x9868, 0xffffffff, 0x00000100,
 873	0x9510, 0xffffffff, 0x00000100,
 874	0xaf04, 0xffffffff, 0x00000100,
 875	0xae04, 0xffffffff, 0x00000100,
 876	0x949c, 0xffffffff, 0x00000100,
 877	0x802c, 0xffffffff, 0xe0000000,
 878	0x9160, 0xffffffff, 0x00010000,
 879	0x9164, 0xffffffff, 0x00030002,
 880	0x9168, 0xffffffff, 0x00040007,
 881	0x916c, 0xffffffff, 0x00060005,
 882	0x9170, 0xffffffff, 0x00090008,
 883	0x9174, 0xffffffff, 0x00020001,
 884	0x9178, 0xffffffff, 0x00040003,
 885	0x917c, 0xffffffff, 0x00000007,
 886	0x9180, 0xffffffff, 0x00060005,
 887	0x9184, 0xffffffff, 0x00090008,
 888	0x9188, 0xffffffff, 0x00030002,
 889	0x918c, 0xffffffff, 0x00050004,
 890	0x9190, 0xffffffff, 0x00000008,
 891	0x9194, 0xffffffff, 0x00070006,
 892	0x9198, 0xffffffff, 0x000a0009,
 893	0x919c, 0xffffffff, 0x00040003,
 894	0x91a0, 0xffffffff, 0x00060005,
 895	0x91a4, 0xffffffff, 0x00000009,
 896	0x91a8, 0xffffffff, 0x00080007,
 897	0x91ac, 0xffffffff, 0x000b000a,
 898	0x91b0, 0xffffffff, 0x00050004,
 899	0x91b4, 0xffffffff, 0x00070006,
 900	0x91b8, 0xffffffff, 0x0008000b,
 901	0x91bc, 0xffffffff, 0x000a0009,
 902	0x91c0, 0xffffffff, 0x000d000c,
 903	0x9200, 0xffffffff, 0x00090008,
 904	0x9204, 0xffffffff, 0x000b000a,
 905	0x9208, 0xffffffff, 0x000c000f,
 906	0x920c, 0xffffffff, 0x000e000d,
 907	0x9210, 0xffffffff, 0x00110010,
 908	0x9214, 0xffffffff, 0x000a0009,
 909	0x9218, 0xffffffff, 0x000c000b,
 910	0x921c, 0xffffffff, 0x0000000f,
 911	0x9220, 0xffffffff, 0x000e000d,
 912	0x9224, 0xffffffff, 0x00110010,
 913	0x9228, 0xffffffff, 0x000b000a,
 914	0x922c, 0xffffffff, 0x000d000c,
 915	0x9230, 0xffffffff, 0x00000010,
 916	0x9234, 0xffffffff, 0x000f000e,
 917	0x9238, 0xffffffff, 0x00120011,
 918	0x923c, 0xffffffff, 0x000c000b,
 919	0x9240, 0xffffffff, 0x000e000d,
 920	0x9244, 0xffffffff, 0x00000011,
 921	0x9248, 0xffffffff, 0x0010000f,
 922	0x924c, 0xffffffff, 0x00130012,
 923	0x9250, 0xffffffff, 0x000d000c,
 924	0x9254, 0xffffffff, 0x000f000e,
 925	0x9258, 0xffffffff, 0x00100013,
 926	0x925c, 0xffffffff, 0x00120011,
 927	0x9260, 0xffffffff, 0x00150014,
 928	0x9150, 0xffffffff, 0x96940200,
 929	0x8708, 0xffffffff, 0x00900100,
 930	0xc478, 0xffffffff, 0x00000080,
 931	0xc404, 0xffffffff, 0x0020003f,
 932	0x30, 0xffffffff, 0x0000001c,
 933	0x34, 0x000f0000, 0x000f0000,
 934	0x160c, 0xffffffff, 0x00000100,
 935	0x1024, 0xffffffff, 0x00000100,
 936	0x102c, 0x00000101, 0x00000000,
 937	0x20a8, 0xffffffff, 0x00000104,
 938	0x264c, 0x000c0000, 0x000c0000,
 939	0x2648, 0x000c0000, 0x000c0000,
 940	0x55e4, 0xff000fff, 0x00000100,
 941	0x55e8, 0x00000001, 0x00000001,
 942	0x2f50, 0x00000001, 0x00000001,
 943	0x30cc, 0xc0000fff, 0x00000104,
 944	0xc1e4, 0x00000001, 0x00000001,
 945	0xd0c0, 0xfffffff0, 0x00000100,
 946	0xd8c0, 0xfffffff0, 0x00000100
 947};
 948
 949static const u32 oland_mgcg_cgcg_init[] =
 950{
 951	0xc400, 0xffffffff, 0xfffffffc,
 952	0x802c, 0xffffffff, 0xe0000000,
 953	0x9a60, 0xffffffff, 0x00000100,
 954	0x92a4, 0xffffffff, 0x00000100,
 955	0xc164, 0xffffffff, 0x00000100,
 956	0x9774, 0xffffffff, 0x00000100,
 957	0x8984, 0xffffffff, 0x06000100,
 958	0x8a18, 0xffffffff, 0x00000100,
 959	0x92a0, 0xffffffff, 0x00000100,
 960	0xc380, 0xffffffff, 0x00000100,
 961	0x8b28, 0xffffffff, 0x00000100,
 962	0x9144, 0xffffffff, 0x00000100,
 963	0x8d88, 0xffffffff, 0x00000100,
 964	0x8d8c, 0xffffffff, 0x00000100,
 965	0x9030, 0xffffffff, 0x00000100,
 966	0x9034, 0xffffffff, 0x00000100,
 967	0x9038, 0xffffffff, 0x00000100,
 968	0x903c, 0xffffffff, 0x00000100,
 969	0xad80, 0xffffffff, 0x00000100,
 970	0xac54, 0xffffffff, 0x00000100,
 971	0x897c, 0xffffffff, 0x06000100,
 972	0x9868, 0xffffffff, 0x00000100,
 973	0x9510, 0xffffffff, 0x00000100,
 974	0xaf04, 0xffffffff, 0x00000100,
 975	0xae04, 0xffffffff, 0x00000100,
 976	0x949c, 0xffffffff, 0x00000100,
 977	0x802c, 0xffffffff, 0xe0000000,
 978	0x9160, 0xffffffff, 0x00010000,
 979	0x9164, 0xffffffff, 0x00030002,
 980	0x9168, 0xffffffff, 0x00040007,
 981	0x916c, 0xffffffff, 0x00060005,
 982	0x9170, 0xffffffff, 0x00090008,
 983	0x9174, 0xffffffff, 0x00020001,
 984	0x9178, 0xffffffff, 0x00040003,
 985	0x917c, 0xffffffff, 0x00000007,
 986	0x9180, 0xffffffff, 0x00060005,
 987	0x9184, 0xffffffff, 0x00090008,
 988	0x9188, 0xffffffff, 0x00030002,
 989	0x918c, 0xffffffff, 0x00050004,
 990	0x9190, 0xffffffff, 0x00000008,
 991	0x9194, 0xffffffff, 0x00070006,
 992	0x9198, 0xffffffff, 0x000a0009,
 993	0x919c, 0xffffffff, 0x00040003,
 994	0x91a0, 0xffffffff, 0x00060005,
 995	0x91a4, 0xffffffff, 0x00000009,
 996	0x91a8, 0xffffffff, 0x00080007,
 997	0x91ac, 0xffffffff, 0x000b000a,
 998	0x91b0, 0xffffffff, 0x00050004,
 999	0x91b4, 0xffffffff, 0x00070006,
1000	0x91b8, 0xffffffff, 0x0008000b,
1001	0x91bc, 0xffffffff, 0x000a0009,
1002	0x91c0, 0xffffffff, 0x000d000c,
1003	0x91c4, 0xffffffff, 0x00060005,
1004	0x91c8, 0xffffffff, 0x00080007,
1005	0x91cc, 0xffffffff, 0x0000000b,
1006	0x91d0, 0xffffffff, 0x000a0009,
1007	0x91d4, 0xffffffff, 0x000d000c,
1008	0x9150, 0xffffffff, 0x96940200,
1009	0x8708, 0xffffffff, 0x00900100,
1010	0xc478, 0xffffffff, 0x00000080,
1011	0xc404, 0xffffffff, 0x0020003f,
1012	0x30, 0xffffffff, 0x0000001c,
1013	0x34, 0x000f0000, 0x000f0000,
1014	0x160c, 0xffffffff, 0x00000100,
1015	0x1024, 0xffffffff, 0x00000100,
1016	0x102c, 0x00000101, 0x00000000,
1017	0x20a8, 0xffffffff, 0x00000104,
1018	0x264c, 0x000c0000, 0x000c0000,
1019	0x2648, 0x000c0000, 0x000c0000,
1020	0x55e4, 0xff000fff, 0x00000100,
1021	0x55e8, 0x00000001, 0x00000001,
1022	0x2f50, 0x00000001, 0x00000001,
1023	0x30cc, 0xc0000fff, 0x00000104,
1024	0xc1e4, 0x00000001, 0x00000001,
1025	0xd0c0, 0xfffffff0, 0x00000100,
1026	0xd8c0, 0xfffffff0, 0x00000100
1027};
1028
1029static const u32 hainan_mgcg_cgcg_init[] =
1030{
1031	0xc400, 0xffffffff, 0xfffffffc,
1032	0x802c, 0xffffffff, 0xe0000000,
1033	0x9a60, 0xffffffff, 0x00000100,
1034	0x92a4, 0xffffffff, 0x00000100,
1035	0xc164, 0xffffffff, 0x00000100,
1036	0x9774, 0xffffffff, 0x00000100,
1037	0x8984, 0xffffffff, 0x06000100,
1038	0x8a18, 0xffffffff, 0x00000100,
1039	0x92a0, 0xffffffff, 0x00000100,
1040	0xc380, 0xffffffff, 0x00000100,
1041	0x8b28, 0xffffffff, 0x00000100,
1042	0x9144, 0xffffffff, 0x00000100,
1043	0x8d88, 0xffffffff, 0x00000100,
1044	0x8d8c, 0xffffffff, 0x00000100,
1045	0x9030, 0xffffffff, 0x00000100,
1046	0x9034, 0xffffffff, 0x00000100,
1047	0x9038, 0xffffffff, 0x00000100,
1048	0x903c, 0xffffffff, 0x00000100,
1049	0xad80, 0xffffffff, 0x00000100,
1050	0xac54, 0xffffffff, 0x00000100,
1051	0x897c, 0xffffffff, 0x06000100,
1052	0x9868, 0xffffffff, 0x00000100,
1053	0x9510, 0xffffffff, 0x00000100,
1054	0xaf04, 0xffffffff, 0x00000100,
1055	0xae04, 0xffffffff, 0x00000100,
1056	0x949c, 0xffffffff, 0x00000100,
1057	0x802c, 0xffffffff, 0xe0000000,
1058	0x9160, 0xffffffff, 0x00010000,
1059	0x9164, 0xffffffff, 0x00030002,
1060	0x9168, 0xffffffff, 0x00040007,
1061	0x916c, 0xffffffff, 0x00060005,
1062	0x9170, 0xffffffff, 0x00090008,
1063	0x9174, 0xffffffff, 0x00020001,
1064	0x9178, 0xffffffff, 0x00040003,
1065	0x917c, 0xffffffff, 0x00000007,
1066	0x9180, 0xffffffff, 0x00060005,
1067	0x9184, 0xffffffff, 0x00090008,
1068	0x9188, 0xffffffff, 0x00030002,
1069	0x918c, 0xffffffff, 0x00050004,
1070	0x9190, 0xffffffff, 0x00000008,
1071	0x9194, 0xffffffff, 0x00070006,
1072	0x9198, 0xffffffff, 0x000a0009,
1073	0x919c, 0xffffffff, 0x00040003,
1074	0x91a0, 0xffffffff, 0x00060005,
1075	0x91a4, 0xffffffff, 0x00000009,
1076	0x91a8, 0xffffffff, 0x00080007,
1077	0x91ac, 0xffffffff, 0x000b000a,
1078	0x91b0, 0xffffffff, 0x00050004,
1079	0x91b4, 0xffffffff, 0x00070006,
1080	0x91b8, 0xffffffff, 0x0008000b,
1081	0x91bc, 0xffffffff, 0x000a0009,
1082	0x91c0, 0xffffffff, 0x000d000c,
1083	0x91c4, 0xffffffff, 0x00060005,
1084	0x91c8, 0xffffffff, 0x00080007,
1085	0x91cc, 0xffffffff, 0x0000000b,
1086	0x91d0, 0xffffffff, 0x000a0009,
1087	0x91d4, 0xffffffff, 0x000d000c,
1088	0x9150, 0xffffffff, 0x96940200,
1089	0x8708, 0xffffffff, 0x00900100,
1090	0xc478, 0xffffffff, 0x00000080,
1091	0xc404, 0xffffffff, 0x0020003f,
1092	0x30, 0xffffffff, 0x0000001c,
1093	0x34, 0x000f0000, 0x000f0000,
1094	0x160c, 0xffffffff, 0x00000100,
1095	0x1024, 0xffffffff, 0x00000100,
1096	0x20a8, 0xffffffff, 0x00000104,
1097	0x264c, 0x000c0000, 0x000c0000,
1098	0x2648, 0x000c0000, 0x000c0000,
1099	0x2f50, 0x00000001, 0x00000001,
1100	0x30cc, 0xc0000fff, 0x00000104,
1101	0xc1e4, 0x00000001, 0x00000001,
1102	0xd0c0, 0xfffffff0, 0x00000100,
1103	0xd8c0, 0xfffffff0, 0x00000100
1104};
1105
1106static u32 verde_pg_init[] =
1107{
1108	0x353c, 0xffffffff, 0x40000,
1109	0x3538, 0xffffffff, 0x200010ff,
1110	0x353c, 0xffffffff, 0x0,
1111	0x353c, 0xffffffff, 0x0,
1112	0x353c, 0xffffffff, 0x0,
1113	0x353c, 0xffffffff, 0x0,
1114	0x353c, 0xffffffff, 0x0,
1115	0x353c, 0xffffffff, 0x7007,
1116	0x3538, 0xffffffff, 0x300010ff,
1117	0x353c, 0xffffffff, 0x0,
1118	0x353c, 0xffffffff, 0x0,
1119	0x353c, 0xffffffff, 0x0,
1120	0x353c, 0xffffffff, 0x0,
1121	0x353c, 0xffffffff, 0x0,
1122	0x353c, 0xffffffff, 0x400000,
1123	0x3538, 0xffffffff, 0x100010ff,
1124	0x353c, 0xffffffff, 0x0,
1125	0x353c, 0xffffffff, 0x0,
1126	0x353c, 0xffffffff, 0x0,
1127	0x353c, 0xffffffff, 0x0,
1128	0x353c, 0xffffffff, 0x0,
1129	0x353c, 0xffffffff, 0x120200,
1130	0x3538, 0xffffffff, 0x500010ff,
1131	0x353c, 0xffffffff, 0x0,
1132	0x353c, 0xffffffff, 0x0,
1133	0x353c, 0xffffffff, 0x0,
1134	0x353c, 0xffffffff, 0x0,
1135	0x353c, 0xffffffff, 0x0,
1136	0x353c, 0xffffffff, 0x1e1e16,
1137	0x3538, 0xffffffff, 0x600010ff,
1138	0x353c, 0xffffffff, 0x0,
1139	0x353c, 0xffffffff, 0x0,
1140	0x353c, 0xffffffff, 0x0,
1141	0x353c, 0xffffffff, 0x0,
1142	0x353c, 0xffffffff, 0x0,
1143	0x353c, 0xffffffff, 0x171f1e,
1144	0x3538, 0xffffffff, 0x700010ff,
1145	0x353c, 0xffffffff, 0x0,
1146	0x353c, 0xffffffff, 0x0,
1147	0x353c, 0xffffffff, 0x0,
1148	0x353c, 0xffffffff, 0x0,
1149	0x353c, 0xffffffff, 0x0,
1150	0x353c, 0xffffffff, 0x0,
1151	0x3538, 0xffffffff, 0x9ff,
1152	0x3500, 0xffffffff, 0x0,
1153	0x3504, 0xffffffff, 0x10000800,
1154	0x3504, 0xffffffff, 0xf,
1155	0x3504, 0xffffffff, 0xf,
1156	0x3500, 0xffffffff, 0x4,
1157	0x3504, 0xffffffff, 0x1000051e,
1158	0x3504, 0xffffffff, 0xffff,
1159	0x3504, 0xffffffff, 0xffff,
1160	0x3500, 0xffffffff, 0x8,
1161	0x3504, 0xffffffff, 0x80500,
1162	0x3500, 0xffffffff, 0x12,
1163	0x3504, 0xffffffff, 0x9050c,
1164	0x3500, 0xffffffff, 0x1d,
1165	0x3504, 0xffffffff, 0xb052c,
1166	0x3500, 0xffffffff, 0x2a,
1167	0x3504, 0xffffffff, 0x1053e,
1168	0x3500, 0xffffffff, 0x2d,
1169	0x3504, 0xffffffff, 0x10546,
1170	0x3500, 0xffffffff, 0x30,
1171	0x3504, 0xffffffff, 0xa054e,
1172	0x3500, 0xffffffff, 0x3c,
1173	0x3504, 0xffffffff, 0x1055f,
1174	0x3500, 0xffffffff, 0x3f,
1175	0x3504, 0xffffffff, 0x10567,
1176	0x3500, 0xffffffff, 0x42,
1177	0x3504, 0xffffffff, 0x1056f,
1178	0x3500, 0xffffffff, 0x45,
1179	0x3504, 0xffffffff, 0x10572,
1180	0x3500, 0xffffffff, 0x48,
1181	0x3504, 0xffffffff, 0x20575,
1182	0x3500, 0xffffffff, 0x4c,
1183	0x3504, 0xffffffff, 0x190801,
1184	0x3500, 0xffffffff, 0x67,
1185	0x3504, 0xffffffff, 0x1082a,
1186	0x3500, 0xffffffff, 0x6a,
1187	0x3504, 0xffffffff, 0x1b082d,
1188	0x3500, 0xffffffff, 0x87,
1189	0x3504, 0xffffffff, 0x310851,
1190	0x3500, 0xffffffff, 0xba,
1191	0x3504, 0xffffffff, 0x891,
1192	0x3500, 0xffffffff, 0xbc,
1193	0x3504, 0xffffffff, 0x893,
1194	0x3500, 0xffffffff, 0xbe,
1195	0x3504, 0xffffffff, 0x20895,
1196	0x3500, 0xffffffff, 0xc2,
1197	0x3504, 0xffffffff, 0x20899,
1198	0x3500, 0xffffffff, 0xc6,
1199	0x3504, 0xffffffff, 0x2089d,
1200	0x3500, 0xffffffff, 0xca,
1201	0x3504, 0xffffffff, 0x8a1,
1202	0x3500, 0xffffffff, 0xcc,
1203	0x3504, 0xffffffff, 0x8a3,
1204	0x3500, 0xffffffff, 0xce,
1205	0x3504, 0xffffffff, 0x308a5,
1206	0x3500, 0xffffffff, 0xd3,
1207	0x3504, 0xffffffff, 0x6d08cd,
1208	0x3500, 0xffffffff, 0x142,
1209	0x3504, 0xffffffff, 0x2000095a,
1210	0x3504, 0xffffffff, 0x1,
1211	0x3500, 0xffffffff, 0x144,
1212	0x3504, 0xffffffff, 0x301f095b,
1213	0x3500, 0xffffffff, 0x165,
1214	0x3504, 0xffffffff, 0xc094d,
1215	0x3500, 0xffffffff, 0x173,
1216	0x3504, 0xffffffff, 0xf096d,
1217	0x3500, 0xffffffff, 0x184,
1218	0x3504, 0xffffffff, 0x15097f,
1219	0x3500, 0xffffffff, 0x19b,
1220	0x3504, 0xffffffff, 0xc0998,
1221	0x3500, 0xffffffff, 0x1a9,
1222	0x3504, 0xffffffff, 0x409a7,
1223	0x3500, 0xffffffff, 0x1af,
1224	0x3504, 0xffffffff, 0xcdc,
1225	0x3500, 0xffffffff, 0x1b1,
1226	0x3504, 0xffffffff, 0x800,
1227	0x3508, 0xffffffff, 0x6c9b2000,
1228	0x3510, 0xfc00, 0x2000,
1229	0x3544, 0xffffffff, 0xfc0,
1230	0x28d4, 0x00000100, 0x100
1231};
1232
1233static void si_init_golden_registers(struct radeon_device *rdev)
1234{
1235	switch (rdev->family) {
1236	case CHIP_TAHITI:
1237		radeon_program_register_sequence(rdev,
1238						 tahiti_golden_registers,
1239						 (const u32)ARRAY_SIZE(tahiti_golden_registers));
1240		radeon_program_register_sequence(rdev,
1241						 tahiti_golden_rlc_registers,
1242						 (const u32)ARRAY_SIZE(tahiti_golden_rlc_registers));
1243		radeon_program_register_sequence(rdev,
1244						 tahiti_mgcg_cgcg_init,
1245						 (const u32)ARRAY_SIZE(tahiti_mgcg_cgcg_init));
1246		radeon_program_register_sequence(rdev,
1247						 tahiti_golden_registers2,
1248						 (const u32)ARRAY_SIZE(tahiti_golden_registers2));
1249		break;
1250	case CHIP_PITCAIRN:
1251		radeon_program_register_sequence(rdev,
1252						 pitcairn_golden_registers,
1253						 (const u32)ARRAY_SIZE(pitcairn_golden_registers));
1254		radeon_program_register_sequence(rdev,
1255						 pitcairn_golden_rlc_registers,
1256						 (const u32)ARRAY_SIZE(pitcairn_golden_rlc_registers));
1257		radeon_program_register_sequence(rdev,
1258						 pitcairn_mgcg_cgcg_init,
1259						 (const u32)ARRAY_SIZE(pitcairn_mgcg_cgcg_init));
1260		break;
1261	case CHIP_VERDE:
1262		radeon_program_register_sequence(rdev,
1263						 verde_golden_registers,
1264						 (const u32)ARRAY_SIZE(verde_golden_registers));
1265		radeon_program_register_sequence(rdev,
1266						 verde_golden_rlc_registers,
1267						 (const u32)ARRAY_SIZE(verde_golden_rlc_registers));
1268		radeon_program_register_sequence(rdev,
1269						 verde_mgcg_cgcg_init,
1270						 (const u32)ARRAY_SIZE(verde_mgcg_cgcg_init));
1271		radeon_program_register_sequence(rdev,
1272						 verde_pg_init,
1273						 (const u32)ARRAY_SIZE(verde_pg_init));
1274		break;
1275	case CHIP_OLAND:
1276		radeon_program_register_sequence(rdev,
1277						 oland_golden_registers,
1278						 (const u32)ARRAY_SIZE(oland_golden_registers));
1279		radeon_program_register_sequence(rdev,
1280						 oland_golden_rlc_registers,
1281						 (const u32)ARRAY_SIZE(oland_golden_rlc_registers));
1282		radeon_program_register_sequence(rdev,
1283						 oland_mgcg_cgcg_init,
1284						 (const u32)ARRAY_SIZE(oland_mgcg_cgcg_init));
1285		break;
1286	case CHIP_HAINAN:
1287		radeon_program_register_sequence(rdev,
1288						 hainan_golden_registers,
1289						 (const u32)ARRAY_SIZE(hainan_golden_registers));
1290		radeon_program_register_sequence(rdev,
1291						 hainan_golden_registers2,
1292						 (const u32)ARRAY_SIZE(hainan_golden_registers2));
1293		radeon_program_register_sequence(rdev,
1294						 hainan_mgcg_cgcg_init,
1295						 (const u32)ARRAY_SIZE(hainan_mgcg_cgcg_init));
1296		break;
1297	default:
1298		break;
1299	}
1300}
1301
1302/**
1303 * si_get_allowed_info_register - fetch the register for the info ioctl
1304 *
1305 * @rdev: radeon_device pointer
1306 * @reg: register offset in bytes
1307 * @val: register value
1308 *
1309 * Returns 0 for success or -EINVAL for an invalid register
1310 *
1311 */
1312int si_get_allowed_info_register(struct radeon_device *rdev,
1313				 u32 reg, u32 *val)
1314{
1315	switch (reg) {
1316	case GRBM_STATUS:
1317	case GRBM_STATUS2:
1318	case GRBM_STATUS_SE0:
1319	case GRBM_STATUS_SE1:
1320	case SRBM_STATUS:
1321	case SRBM_STATUS2:
1322	case (DMA_STATUS_REG + DMA0_REGISTER_OFFSET):
1323	case (DMA_STATUS_REG + DMA1_REGISTER_OFFSET):
1324	case UVD_STATUS:
1325		*val = RREG32(reg);
1326		return 0;
1327	default:
1328		return -EINVAL;
1329	}
1330}
1331
1332#define PCIE_BUS_CLK                10000
1333#define TCLK                        (PCIE_BUS_CLK / 10)
1334
1335/**
1336 * si_get_xclk - get the xclk
1337 *
1338 * @rdev: radeon_device pointer
1339 *
1340 * Returns the reference clock used by the gfx engine
1341 * (SI).
1342 */
1343u32 si_get_xclk(struct radeon_device *rdev)
1344{
1345	u32 reference_clock = rdev->clock.spll.reference_freq;
1346	u32 tmp;
1347
1348	tmp = RREG32(CG_CLKPIN_CNTL_2);
1349	if (tmp & MUX_TCLK_TO_XCLK)
1350		return TCLK;
1351
1352	tmp = RREG32(CG_CLKPIN_CNTL);
1353	if (tmp & XTALIN_DIVIDE)
1354		return reference_clock / 4;
1355
1356	return reference_clock;
1357}
1358
1359/* get temperature in millidegrees */
1360int si_get_temp(struct radeon_device *rdev)
1361{
1362	u32 temp;
1363	int actual_temp = 0;
1364
1365	temp = (RREG32(CG_MULT_THERMAL_STATUS) & CTF_TEMP_MASK) >>
1366		CTF_TEMP_SHIFT;
1367
1368	if (temp & 0x200)
1369		actual_temp = 255;
1370	else
1371		actual_temp = temp & 0x1ff;
1372
1373	actual_temp = (actual_temp * 1000);
1374
1375	return actual_temp;
1376}
1377
1378#define TAHITI_IO_MC_REGS_SIZE 36
1379
1380static const u32 tahiti_io_mc_regs[TAHITI_IO_MC_REGS_SIZE][2] = {
1381	{0x0000006f, 0x03044000},
1382	{0x00000070, 0x0480c018},
1383	{0x00000071, 0x00000040},
1384	{0x00000072, 0x01000000},
1385	{0x00000074, 0x000000ff},
1386	{0x00000075, 0x00143400},
1387	{0x00000076, 0x08ec0800},
1388	{0x00000077, 0x040000cc},
1389	{0x00000079, 0x00000000},
1390	{0x0000007a, 0x21000409},
1391	{0x0000007c, 0x00000000},
1392	{0x0000007d, 0xe8000000},
1393	{0x0000007e, 0x044408a8},
1394	{0x0000007f, 0x00000003},
1395	{0x00000080, 0x00000000},
1396	{0x00000081, 0x01000000},
1397	{0x00000082, 0x02000000},
1398	{0x00000083, 0x00000000},
1399	{0x00000084, 0xe3f3e4f4},
1400	{0x00000085, 0x00052024},
1401	{0x00000087, 0x00000000},
1402	{0x00000088, 0x66036603},
1403	{0x00000089, 0x01000000},
1404	{0x0000008b, 0x1c0a0000},
1405	{0x0000008c, 0xff010000},
1406	{0x0000008e, 0xffffefff},
1407	{0x0000008f, 0xfff3efff},
1408	{0x00000090, 0xfff3efbf},
1409	{0x00000094, 0x00101101},
1410	{0x00000095, 0x00000fff},
1411	{0x00000096, 0x00116fff},
1412	{0x00000097, 0x60010000},
1413	{0x00000098, 0x10010000},
1414	{0x00000099, 0x00006000},
1415	{0x0000009a, 0x00001000},
1416	{0x0000009f, 0x00a77400}
1417};
1418
1419static const u32 pitcairn_io_mc_regs[TAHITI_IO_MC_REGS_SIZE][2] = {
1420	{0x0000006f, 0x03044000},
1421	{0x00000070, 0x0480c018},
1422	{0x00000071, 0x00000040},
1423	{0x00000072, 0x01000000},
1424	{0x00000074, 0x000000ff},
1425	{0x00000075, 0x00143400},
1426	{0x00000076, 0x08ec0800},
1427	{0x00000077, 0x040000cc},
1428	{0x00000079, 0x00000000},
1429	{0x0000007a, 0x21000409},
1430	{0x0000007c, 0x00000000},
1431	{0x0000007d, 0xe8000000},
1432	{0x0000007e, 0x044408a8},
1433	{0x0000007f, 0x00000003},
1434	{0x00000080, 0x00000000},
1435	{0x00000081, 0x01000000},
1436	{0x00000082, 0x02000000},
1437	{0x00000083, 0x00000000},
1438	{0x00000084, 0xe3f3e4f4},
1439	{0x00000085, 0x00052024},
1440	{0x00000087, 0x00000000},
1441	{0x00000088, 0x66036603},
1442	{0x00000089, 0x01000000},
1443	{0x0000008b, 0x1c0a0000},
1444	{0x0000008c, 0xff010000},
1445	{0x0000008e, 0xffffefff},
1446	{0x0000008f, 0xfff3efff},
1447	{0x00000090, 0xfff3efbf},
1448	{0x00000094, 0x00101101},
1449	{0x00000095, 0x00000fff},
1450	{0x00000096, 0x00116fff},
1451	{0x00000097, 0x60010000},
1452	{0x00000098, 0x10010000},
1453	{0x00000099, 0x00006000},
1454	{0x0000009a, 0x00001000},
1455	{0x0000009f, 0x00a47400}
1456};
1457
1458static const u32 verde_io_mc_regs[TAHITI_IO_MC_REGS_SIZE][2] = {
1459	{0x0000006f, 0x03044000},
1460	{0x00000070, 0x0480c018},
1461	{0x00000071, 0x00000040},
1462	{0x00000072, 0x01000000},
1463	{0x00000074, 0x000000ff},
1464	{0x00000075, 0x00143400},
1465	{0x00000076, 0x08ec0800},
1466	{0x00000077, 0x040000cc},
1467	{0x00000079, 0x00000000},
1468	{0x0000007a, 0x21000409},
1469	{0x0000007c, 0x00000000},
1470	{0x0000007d, 0xe8000000},
1471	{0x0000007e, 0x044408a8},
1472	{0x0000007f, 0x00000003},
1473	{0x00000080, 0x00000000},
1474	{0x00000081, 0x01000000},
1475	{0x00000082, 0x02000000},
1476	{0x00000083, 0x00000000},
1477	{0x00000084, 0xe3f3e4f4},
1478	{0x00000085, 0x00052024},
1479	{0x00000087, 0x00000000},
1480	{0x00000088, 0x66036603},
1481	{0x00000089, 0x01000000},
1482	{0x0000008b, 0x1c0a0000},
1483	{0x0000008c, 0xff010000},
1484	{0x0000008e, 0xffffefff},
1485	{0x0000008f, 0xfff3efff},
1486	{0x00000090, 0xfff3efbf},
1487	{0x00000094, 0x00101101},
1488	{0x00000095, 0x00000fff},
1489	{0x00000096, 0x00116fff},
1490	{0x00000097, 0x60010000},
1491	{0x00000098, 0x10010000},
1492	{0x00000099, 0x00006000},
1493	{0x0000009a, 0x00001000},
1494	{0x0000009f, 0x00a37400}
1495};
1496
1497static const u32 oland_io_mc_regs[TAHITI_IO_MC_REGS_SIZE][2] = {
1498	{0x0000006f, 0x03044000},
1499	{0x00000070, 0x0480c018},
1500	{0x00000071, 0x00000040},
1501	{0x00000072, 0x01000000},
1502	{0x00000074, 0x000000ff},
1503	{0x00000075, 0x00143400},
1504	{0x00000076, 0x08ec0800},
1505	{0x00000077, 0x040000cc},
1506	{0x00000079, 0x00000000},
1507	{0x0000007a, 0x21000409},
1508	{0x0000007c, 0x00000000},
1509	{0x0000007d, 0xe8000000},
1510	{0x0000007e, 0x044408a8},
1511	{0x0000007f, 0x00000003},
1512	{0x00000080, 0x00000000},
1513	{0x00000081, 0x01000000},
1514	{0x00000082, 0x02000000},
1515	{0x00000083, 0x00000000},
1516	{0x00000084, 0xe3f3e4f4},
1517	{0x00000085, 0x00052024},
1518	{0x00000087, 0x00000000},
1519	{0x00000088, 0x66036603},
1520	{0x00000089, 0x01000000},
1521	{0x0000008b, 0x1c0a0000},
1522	{0x0000008c, 0xff010000},
1523	{0x0000008e, 0xffffefff},
1524	{0x0000008f, 0xfff3efff},
1525	{0x00000090, 0xfff3efbf},
1526	{0x00000094, 0x00101101},
1527	{0x00000095, 0x00000fff},
1528	{0x00000096, 0x00116fff},
1529	{0x00000097, 0x60010000},
1530	{0x00000098, 0x10010000},
1531	{0x00000099, 0x00006000},
1532	{0x0000009a, 0x00001000},
1533	{0x0000009f, 0x00a17730}
1534};
1535
1536static const u32 hainan_io_mc_regs[TAHITI_IO_MC_REGS_SIZE][2] = {
1537	{0x0000006f, 0x03044000},
1538	{0x00000070, 0x0480c018},
1539	{0x00000071, 0x00000040},
1540	{0x00000072, 0x01000000},
1541	{0x00000074, 0x000000ff},
1542	{0x00000075, 0x00143400},
1543	{0x00000076, 0x08ec0800},
1544	{0x00000077, 0x040000cc},
1545	{0x00000079, 0x00000000},
1546	{0x0000007a, 0x21000409},
1547	{0x0000007c, 0x00000000},
1548	{0x0000007d, 0xe8000000},
1549	{0x0000007e, 0x044408a8},
1550	{0x0000007f, 0x00000003},
1551	{0x00000080, 0x00000000},
1552	{0x00000081, 0x01000000},
1553	{0x00000082, 0x02000000},
1554	{0x00000083, 0x00000000},
1555	{0x00000084, 0xe3f3e4f4},
1556	{0x00000085, 0x00052024},
1557	{0x00000087, 0x00000000},
1558	{0x00000088, 0x66036603},
1559	{0x00000089, 0x01000000},
1560	{0x0000008b, 0x1c0a0000},
1561	{0x0000008c, 0xff010000},
1562	{0x0000008e, 0xffffefff},
1563	{0x0000008f, 0xfff3efff},
1564	{0x00000090, 0xfff3efbf},
1565	{0x00000094, 0x00101101},
1566	{0x00000095, 0x00000fff},
1567	{0x00000096, 0x00116fff},
1568	{0x00000097, 0x60010000},
1569	{0x00000098, 0x10010000},
1570	{0x00000099, 0x00006000},
1571	{0x0000009a, 0x00001000},
1572	{0x0000009f, 0x00a07730}
1573};
1574
1575/* ucode loading */
1576int si_mc_load_microcode(struct radeon_device *rdev)
1577{
1578	const __be32 *fw_data = NULL;
1579	const __le32 *new_fw_data = NULL;
1580	u32 running;
1581	u32 *io_mc_regs = NULL;
1582	const __le32 *new_io_mc_regs = NULL;
1583	int i, regs_size, ucode_size;
1584
1585	if (!rdev->mc_fw)
1586		return -EINVAL;
1587
1588	if (rdev->new_fw) {
1589		const struct mc_firmware_header_v1_0 *hdr =
1590			(const struct mc_firmware_header_v1_0 *)rdev->mc_fw->data;
1591
1592		radeon_ucode_print_mc_hdr(&hdr->header);
1593		regs_size = le32_to_cpu(hdr->io_debug_size_bytes) / (4 * 2);
1594		new_io_mc_regs = (const __le32 *)
1595			(rdev->mc_fw->data + le32_to_cpu(hdr->io_debug_array_offset_bytes));
1596		ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4;
1597		new_fw_data = (const __le32 *)
1598			(rdev->mc_fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes));
1599	} else {
1600		ucode_size = rdev->mc_fw->size / 4;
1601
1602		switch (rdev->family) {
1603		case CHIP_TAHITI:
1604			io_mc_regs = (u32 *)&tahiti_io_mc_regs;
1605			regs_size = TAHITI_IO_MC_REGS_SIZE;
1606			break;
1607		case CHIP_PITCAIRN:
1608			io_mc_regs = (u32 *)&pitcairn_io_mc_regs;
1609			regs_size = TAHITI_IO_MC_REGS_SIZE;
1610			break;
1611		case CHIP_VERDE:
1612		default:
1613			io_mc_regs = (u32 *)&verde_io_mc_regs;
1614			regs_size = TAHITI_IO_MC_REGS_SIZE;
1615			break;
1616		case CHIP_OLAND:
1617			io_mc_regs = (u32 *)&oland_io_mc_regs;
1618			regs_size = TAHITI_IO_MC_REGS_SIZE;
1619			break;
1620		case CHIP_HAINAN:
1621			io_mc_regs = (u32 *)&hainan_io_mc_regs;
1622			regs_size = TAHITI_IO_MC_REGS_SIZE;
1623			break;
1624		}
1625		fw_data = (const __be32 *)rdev->mc_fw->data;
1626	}
1627
1628	running = RREG32(MC_SEQ_SUP_CNTL) & RUN_MASK;
1629
1630	if (running == 0) {
1631		/* reset the engine and set to writable */
1632		WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
1633		WREG32(MC_SEQ_SUP_CNTL, 0x00000010);
1634
1635		/* load mc io regs */
1636		for (i = 0; i < regs_size; i++) {
1637			if (rdev->new_fw) {
1638				WREG32(MC_SEQ_IO_DEBUG_INDEX, le32_to_cpup(new_io_mc_regs++));
1639				WREG32(MC_SEQ_IO_DEBUG_DATA, le32_to_cpup(new_io_mc_regs++));
1640			} else {
1641				WREG32(MC_SEQ_IO_DEBUG_INDEX, io_mc_regs[(i << 1)]);
1642				WREG32(MC_SEQ_IO_DEBUG_DATA, io_mc_regs[(i << 1) + 1]);
1643			}
1644		}
1645		/* load the MC ucode */
1646		for (i = 0; i < ucode_size; i++) {
1647			if (rdev->new_fw)
1648				WREG32(MC_SEQ_SUP_PGM, le32_to_cpup(new_fw_data++));
1649			else
1650				WREG32(MC_SEQ_SUP_PGM, be32_to_cpup(fw_data++));
1651		}
1652
1653		/* put the engine back into the active state */
1654		WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
1655		WREG32(MC_SEQ_SUP_CNTL, 0x00000004);
1656		WREG32(MC_SEQ_SUP_CNTL, 0x00000001);
1657
1658		/* wait for training to complete */
1659		for (i = 0; i < rdev->usec_timeout; i++) {
1660			if (RREG32(MC_SEQ_TRAIN_WAKEUP_CNTL) & TRAIN_DONE_D0)
1661				break;
1662			udelay(1);
1663		}
1664		for (i = 0; i < rdev->usec_timeout; i++) {
1665			if (RREG32(MC_SEQ_TRAIN_WAKEUP_CNTL) & TRAIN_DONE_D1)
1666				break;
1667			udelay(1);
1668		}
1669	}
1670
1671	return 0;
1672}
1673
1674static int si_init_microcode(struct radeon_device *rdev)
1675{
1676	const char *chip_name;
1677	const char *new_chip_name;
1678	size_t pfp_req_size, me_req_size, ce_req_size, rlc_req_size, mc_req_size;
1679	size_t smc_req_size, mc2_req_size;
1680	char fw_name[30];
1681	int err;
1682	int new_fw = 0;
1683	bool new_smc = false;
1684	bool si58_fw = false;
1685	bool banks2_fw = false;
1686
1687	DRM_DEBUG("\n");
1688
1689	switch (rdev->family) {
1690	case CHIP_TAHITI:
1691		chip_name = "TAHITI";
1692		new_chip_name = "tahiti";
1693		pfp_req_size = SI_PFP_UCODE_SIZE * 4;
1694		me_req_size = SI_PM4_UCODE_SIZE * 4;
1695		ce_req_size = SI_CE_UCODE_SIZE * 4;
1696		rlc_req_size = SI_RLC_UCODE_SIZE * 4;
1697		mc_req_size = SI_MC_UCODE_SIZE * 4;
1698		mc2_req_size = TAHITI_MC_UCODE_SIZE * 4;
1699		smc_req_size = ALIGN(TAHITI_SMC_UCODE_SIZE, 4);
1700		break;
1701	case CHIP_PITCAIRN:
1702		chip_name = "PITCAIRN";
1703		if ((rdev->pdev->revision == 0x81) &&
1704		    ((rdev->pdev->device == 0x6810) ||
1705		     (rdev->pdev->device == 0x6811)))
1706			new_smc = true;
1707		new_chip_name = "pitcairn";
1708		pfp_req_size = SI_PFP_UCODE_SIZE * 4;
1709		me_req_size = SI_PM4_UCODE_SIZE * 4;
1710		ce_req_size = SI_CE_UCODE_SIZE * 4;
1711		rlc_req_size = SI_RLC_UCODE_SIZE * 4;
1712		mc_req_size = SI_MC_UCODE_SIZE * 4;
1713		mc2_req_size = PITCAIRN_MC_UCODE_SIZE * 4;
1714		smc_req_size = ALIGN(PITCAIRN_SMC_UCODE_SIZE, 4);
1715		break;
1716	case CHIP_VERDE:
1717		chip_name = "VERDE";
1718		if (((rdev->pdev->device == 0x6820) &&
1719		     ((rdev->pdev->revision == 0x81) ||
1720		      (rdev->pdev->revision == 0x83))) ||
1721		    ((rdev->pdev->device == 0x6821) &&
1722		     ((rdev->pdev->revision == 0x83) ||
1723		      (rdev->pdev->revision == 0x87))) ||
1724		    ((rdev->pdev->revision == 0x87) &&
1725		     ((rdev->pdev->device == 0x6823) ||
1726		      (rdev->pdev->device == 0x682b))))
1727			new_smc = true;
1728		new_chip_name = "verde";
1729		pfp_req_size = SI_PFP_UCODE_SIZE * 4;
1730		me_req_size = SI_PM4_UCODE_SIZE * 4;
1731		ce_req_size = SI_CE_UCODE_SIZE * 4;
1732		rlc_req_size = SI_RLC_UCODE_SIZE * 4;
1733		mc_req_size = SI_MC_UCODE_SIZE * 4;
1734		mc2_req_size = VERDE_MC_UCODE_SIZE * 4;
1735		smc_req_size = ALIGN(VERDE_SMC_UCODE_SIZE, 4);
1736		break;
1737	case CHIP_OLAND:
1738		chip_name = "OLAND";
1739		if (((rdev->pdev->revision == 0x81) &&
1740		     ((rdev->pdev->device == 0x6600) ||
1741		      (rdev->pdev->device == 0x6604) ||
1742		      (rdev->pdev->device == 0x6605) ||
1743		      (rdev->pdev->device == 0x6610))) ||
1744		    ((rdev->pdev->revision == 0x83) &&
1745		     (rdev->pdev->device == 0x6610)))
1746			new_smc = true;
1747		new_chip_name = "oland";
1748		pfp_req_size = SI_PFP_UCODE_SIZE * 4;
1749		me_req_size = SI_PM4_UCODE_SIZE * 4;
1750		ce_req_size = SI_CE_UCODE_SIZE * 4;
1751		rlc_req_size = SI_RLC_UCODE_SIZE * 4;
1752		mc_req_size = mc2_req_size = OLAND_MC_UCODE_SIZE * 4;
1753		smc_req_size = ALIGN(OLAND_SMC_UCODE_SIZE, 4);
1754		break;
1755	case CHIP_HAINAN:
1756		chip_name = "HAINAN";
1757		if (((rdev->pdev->revision == 0x81) &&
1758		     (rdev->pdev->device == 0x6660)) ||
1759		    ((rdev->pdev->revision == 0x83) &&
1760		     ((rdev->pdev->device == 0x6660) ||
1761		      (rdev->pdev->device == 0x6663) ||
1762		      (rdev->pdev->device == 0x6665) ||
1763		      (rdev->pdev->device == 0x6667))))
1764			new_smc = true;
1765		else if ((rdev->pdev->revision == 0xc3) &&
1766			 (rdev->pdev->device == 0x6665))
1767			banks2_fw = true;
1768		new_chip_name = "hainan";
1769		pfp_req_size = SI_PFP_UCODE_SIZE * 4;
1770		me_req_size = SI_PM4_UCODE_SIZE * 4;
1771		ce_req_size = SI_CE_UCODE_SIZE * 4;
1772		rlc_req_size = SI_RLC_UCODE_SIZE * 4;
1773		mc_req_size = mc2_req_size = OLAND_MC_UCODE_SIZE * 4;
1774		smc_req_size = ALIGN(HAINAN_SMC_UCODE_SIZE, 4);
1775		break;
1776	default: BUG();
1777	}
1778
1779	/* this memory configuration requires special firmware */
1780	if (((RREG32(MC_SEQ_MISC0) & 0xff000000) >> 24) == 0x58)
1781		si58_fw = true;
1782
1783	DRM_INFO("Loading %s Microcode\n", new_chip_name);
1784
1785	snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", new_chip_name);
1786	err = request_firmware(&rdev->pfp_fw, fw_name, rdev->dev);
1787	if (err) {
1788		snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
1789		err = request_firmware(&rdev->pfp_fw, fw_name, rdev->dev);
1790		if (err)
1791			goto out;
1792		if (rdev->pfp_fw->size != pfp_req_size) {
1793			pr_err("si_cp: Bogus length %zu in firmware \"%s\"\n",
1794			       rdev->pfp_fw->size, fw_name);
1795			err = -EINVAL;
1796			goto out;
1797		}
1798	} else {
1799		err = radeon_ucode_validate(rdev->pfp_fw);
1800		if (err) {
1801			pr_err("si_cp: validation failed for firmware \"%s\"\n",
1802			       fw_name);
1803			goto out;
1804		} else {
1805			new_fw++;
1806		}
1807	}
1808
1809	snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", new_chip_name);
1810	err = request_firmware(&rdev->me_fw, fw_name, rdev->dev);
1811	if (err) {
1812		snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
1813		err = request_firmware(&rdev->me_fw, fw_name, rdev->dev);
1814		if (err)
1815			goto out;
1816		if (rdev->me_fw->size != me_req_size) {
1817			pr_err("si_cp: Bogus length %zu in firmware \"%s\"\n",
1818			       rdev->me_fw->size, fw_name);
1819			err = -EINVAL;
1820		}
1821	} else {
1822		err = radeon_ucode_validate(rdev->me_fw);
1823		if (err) {
1824			pr_err("si_cp: validation failed for firmware \"%s\"\n",
1825			       fw_name);
1826			goto out;
1827		} else {
1828			new_fw++;
1829		}
1830	}
1831
1832	snprintf(fw_name, sizeof(fw_name), "radeon/%s_ce.bin", new_chip_name);
1833	err = request_firmware(&rdev->ce_fw, fw_name, rdev->dev);
1834	if (err) {
1835		snprintf(fw_name, sizeof(fw_name), "radeon/%s_ce.bin", chip_name);
1836		err = request_firmware(&rdev->ce_fw, fw_name, rdev->dev);
1837		if (err)
1838			goto out;
1839		if (rdev->ce_fw->size != ce_req_size) {
1840			pr_err("si_cp: Bogus length %zu in firmware \"%s\"\n",
1841			       rdev->ce_fw->size, fw_name);
1842			err = -EINVAL;
1843		}
1844	} else {
1845		err = radeon_ucode_validate(rdev->ce_fw);
1846		if (err) {
1847			pr_err("si_cp: validation failed for firmware \"%s\"\n",
1848			       fw_name);
1849			goto out;
1850		} else {
1851			new_fw++;
1852		}
1853	}
1854
1855	snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", new_chip_name);
1856	err = request_firmware(&rdev->rlc_fw, fw_name, rdev->dev);
1857	if (err) {
1858		snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", chip_name);
1859		err = request_firmware(&rdev->rlc_fw, fw_name, rdev->dev);
1860		if (err)
1861			goto out;
1862		if (rdev->rlc_fw->size != rlc_req_size) {
1863			pr_err("si_rlc: Bogus length %zu in firmware \"%s\"\n",
1864			       rdev->rlc_fw->size, fw_name);
1865			err = -EINVAL;
1866		}
1867	} else {
1868		err = radeon_ucode_validate(rdev->rlc_fw);
1869		if (err) {
1870			pr_err("si_cp: validation failed for firmware \"%s\"\n",
1871			       fw_name);
1872			goto out;
1873		} else {
1874			new_fw++;
1875		}
1876	}
1877
1878	if (si58_fw)
1879		snprintf(fw_name, sizeof(fw_name), "radeon/si58_mc.bin");
1880	else
1881		snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", new_chip_name);
1882	err = request_firmware(&rdev->mc_fw, fw_name, rdev->dev);
1883	if (err) {
1884		snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc2.bin", chip_name);
1885		err = request_firmware(&rdev->mc_fw, fw_name, rdev->dev);
1886		if (err) {
1887			snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
1888			err = request_firmware(&rdev->mc_fw, fw_name, rdev->dev);
1889			if (err)
1890				goto out;
1891		}
1892		if ((rdev->mc_fw->size != mc_req_size) &&
1893		    (rdev->mc_fw->size != mc2_req_size)) {
1894			pr_err("si_mc: Bogus length %zu in firmware \"%s\"\n",
1895			       rdev->mc_fw->size, fw_name);
1896			err = -EINVAL;
1897		}
1898		DRM_INFO("%s: %zu bytes\n", fw_name, rdev->mc_fw->size);
1899	} else {
1900		err = radeon_ucode_validate(rdev->mc_fw);
1901		if (err) {
1902			pr_err("si_cp: validation failed for firmware \"%s\"\n",
1903			       fw_name);
1904			goto out;
1905		} else {
1906			new_fw++;
1907		}
1908	}
1909
1910	if (banks2_fw)
1911		snprintf(fw_name, sizeof(fw_name), "radeon/banks_k_2_smc.bin");
1912	else if (new_smc)
1913		snprintf(fw_name, sizeof(fw_name), "radeon/%s_k_smc.bin", new_chip_name);
1914	else
1915		snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", new_chip_name);
1916	err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev);
1917	if (err) {
1918		snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", chip_name);
1919		err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev);
1920		if (err) {
1921			pr_err("smc: error loading firmware \"%s\"\n", fw_name);
1922			release_firmware(rdev->smc_fw);
1923			rdev->smc_fw = NULL;
1924			err = 0;
1925		} else if (rdev->smc_fw->size != smc_req_size) {
1926			pr_err("si_smc: Bogus length %zu in firmware \"%s\"\n",
1927			       rdev->smc_fw->size, fw_name);
1928			err = -EINVAL;
1929		}
1930	} else {
1931		err = radeon_ucode_validate(rdev->smc_fw);
1932		if (err) {
1933			pr_err("si_cp: validation failed for firmware \"%s\"\n",
1934			       fw_name);
1935			goto out;
1936		} else {
1937			new_fw++;
1938		}
1939	}
1940
1941	if (new_fw == 0) {
1942		rdev->new_fw = false;
1943	} else if (new_fw < 6) {
1944		pr_err("si_fw: mixing new and old firmware!\n");
1945		err = -EINVAL;
1946	} else {
1947		rdev->new_fw = true;
1948	}
1949out:
1950	if (err) {
1951		if (err != -EINVAL)
1952			pr_err("si_cp: Failed to load firmware \"%s\"\n",
1953			       fw_name);
1954		release_firmware(rdev->pfp_fw);
1955		rdev->pfp_fw = NULL;
1956		release_firmware(rdev->me_fw);
1957		rdev->me_fw = NULL;
1958		release_firmware(rdev->ce_fw);
1959		rdev->ce_fw = NULL;
1960		release_firmware(rdev->rlc_fw);
1961		rdev->rlc_fw = NULL;
1962		release_firmware(rdev->mc_fw);
1963		rdev->mc_fw = NULL;
1964		release_firmware(rdev->smc_fw);
1965		rdev->smc_fw = NULL;
1966	}
1967	return err;
1968}
1969
1970/* watermark setup */
1971static u32 dce6_line_buffer_adjust(struct radeon_device *rdev,
1972				   struct radeon_crtc *radeon_crtc,
1973				   struct drm_display_mode *mode,
1974				   struct drm_display_mode *other_mode)
1975{
1976	u32 tmp, buffer_alloc, i;
1977	u32 pipe_offset = radeon_crtc->crtc_id * 0x20;
1978	/*
1979	 * Line Buffer Setup
1980	 * There are 3 line buffers, each one shared by 2 display controllers.
1981	 * DC_LB_MEMORY_SPLIT controls how that line buffer is shared between
1982	 * the display controllers.  The paritioning is done via one of four
1983	 * preset allocations specified in bits 21:20:
1984	 *  0 - half lb
1985	 *  2 - whole lb, other crtc must be disabled
1986	 */
1987	/* this can get tricky if we have two large displays on a paired group
1988	 * of crtcs.  Ideally for multiple large displays we'd assign them to
1989	 * non-linked crtcs for maximum line buffer allocation.
1990	 */
1991	if (radeon_crtc->base.enabled && mode) {
1992		if (other_mode) {
1993			tmp = 0; /* 1/2 */
1994			buffer_alloc = 1;
1995		} else {
1996			tmp = 2; /* whole */
1997			buffer_alloc = 2;
1998		}
1999	} else {
2000		tmp = 0;
2001		buffer_alloc = 0;
2002	}
2003
2004	WREG32(DC_LB_MEMORY_SPLIT + radeon_crtc->crtc_offset,
2005	       DC_LB_MEMORY_CONFIG(tmp));
2006
2007	WREG32(PIPE0_DMIF_BUFFER_CONTROL + pipe_offset,
2008	       DMIF_BUFFERS_ALLOCATED(buffer_alloc));
2009	for (i = 0; i < rdev->usec_timeout; i++) {
2010		if (RREG32(PIPE0_DMIF_BUFFER_CONTROL + pipe_offset) &
2011		    DMIF_BUFFERS_ALLOCATED_COMPLETED)
2012			break;
2013		udelay(1);
2014	}
2015
2016	if (radeon_crtc->base.enabled && mode) {
2017		switch (tmp) {
2018		case 0:
2019		default:
2020			return 4096 * 2;
2021		case 2:
2022			return 8192 * 2;
2023		}
2024	}
2025
2026	/* controller not enabled, so no lb used */
2027	return 0;
2028}
2029
2030static u32 si_get_number_of_dram_channels(struct radeon_device *rdev)
2031{
2032	u32 tmp = RREG32(MC_SHARED_CHMAP);
2033
2034	switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
2035	case 0:
2036	default:
2037		return 1;
2038	case 1:
2039		return 2;
2040	case 2:
2041		return 4;
2042	case 3:
2043		return 8;
2044	case 4:
2045		return 3;
2046	case 5:
2047		return 6;
2048	case 6:
2049		return 10;
2050	case 7:
2051		return 12;
2052	case 8:
2053		return 16;
2054	}
2055}
2056
2057struct dce6_wm_params {
2058	u32 dram_channels; /* number of dram channels */
2059	u32 yclk;          /* bandwidth per dram data pin in kHz */
2060	u32 sclk;          /* engine clock in kHz */
2061	u32 disp_clk;      /* display clock in kHz */
2062	u32 src_width;     /* viewport width */
2063	u32 active_time;   /* active display time in ns */
2064	u32 blank_time;    /* blank time in ns */
2065	bool interlaced;    /* mode is interlaced */
2066	fixed20_12 vsc;    /* vertical scale ratio */
2067	u32 num_heads;     /* number of active crtcs */
2068	u32 bytes_per_pixel; /* bytes per pixel display + overlay */
2069	u32 lb_size;       /* line buffer allocated to pipe */
2070	u32 vtaps;         /* vertical scaler taps */
2071};
2072
2073static u32 dce6_dram_bandwidth(struct dce6_wm_params *wm)
2074{
2075	/* Calculate raw DRAM Bandwidth */
2076	fixed20_12 dram_efficiency; /* 0.7 */
2077	fixed20_12 yclk, dram_channels, bandwidth;
2078	fixed20_12 a;
2079
2080	a.full = dfixed_const(1000);
2081	yclk.full = dfixed_const(wm->yclk);
2082	yclk.full = dfixed_div(yclk, a);
2083	dram_channels.full = dfixed_const(wm->dram_channels * 4);
2084	a.full = dfixed_const(10);
2085	dram_efficiency.full = dfixed_const(7);
2086	dram_efficiency.full = dfixed_div(dram_efficiency, a);
2087	bandwidth.full = dfixed_mul(dram_channels, yclk);
2088	bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
2089
2090	return dfixed_trunc(bandwidth);
2091}
2092
2093static u32 dce6_dram_bandwidth_for_display(struct dce6_wm_params *wm)
2094{
2095	/* Calculate DRAM Bandwidth and the part allocated to display. */
2096	fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
2097	fixed20_12 yclk, dram_channels, bandwidth;
2098	fixed20_12 a;
2099
2100	a.full = dfixed_const(1000);
2101	yclk.full = dfixed_const(wm->yclk);
2102	yclk.full = dfixed_div(yclk, a);
2103	dram_channels.full = dfixed_const(wm->dram_channels * 4);
2104	a.full = dfixed_const(10);
2105	disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
2106	disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
2107	bandwidth.full = dfixed_mul(dram_channels, yclk);
2108	bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
2109
2110	return dfixed_trunc(bandwidth);
2111}
2112
2113static u32 dce6_data_return_bandwidth(struct dce6_wm_params *wm)
2114{
2115	/* Calculate the display Data return Bandwidth */
2116	fixed20_12 return_efficiency; /* 0.8 */
2117	fixed20_12 sclk, bandwidth;
2118	fixed20_12 a;
2119
2120	a.full = dfixed_const(1000);
2121	sclk.full = dfixed_const(wm->sclk);
2122	sclk.full = dfixed_div(sclk, a);
2123	a.full = dfixed_const(10);
2124	return_efficiency.full = dfixed_const(8);
2125	return_efficiency.full = dfixed_div(return_efficiency, a);
2126	a.full = dfixed_const(32);
2127	bandwidth.full = dfixed_mul(a, sclk);
2128	bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
2129
2130	return dfixed_trunc(bandwidth);
2131}
2132
2133static u32 dce6_get_dmif_bytes_per_request(struct dce6_wm_params *wm)
2134{
2135	return 32;
2136}
2137
2138static u32 dce6_dmif_request_bandwidth(struct dce6_wm_params *wm)
2139{
2140	/* Calculate the DMIF Request Bandwidth */
2141	fixed20_12 disp_clk_request_efficiency; /* 0.8 */
2142	fixed20_12 disp_clk, sclk, bandwidth;
2143	fixed20_12 a, b1, b2;
2144	u32 min_bandwidth;
2145
2146	a.full = dfixed_const(1000);
2147	disp_clk.full = dfixed_const(wm->disp_clk);
2148	disp_clk.full = dfixed_div(disp_clk, a);
2149	a.full = dfixed_const(dce6_get_dmif_bytes_per_request(wm) / 2);
2150	b1.full = dfixed_mul(a, disp_clk);
2151
2152	a.full = dfixed_const(1000);
2153	sclk.full = dfixed_const(wm->sclk);
2154	sclk.full = dfixed_div(sclk, a);
2155	a.full = dfixed_const(dce6_get_dmif_bytes_per_request(wm));
2156	b2.full = dfixed_mul(a, sclk);
2157
2158	a.full = dfixed_const(10);
2159	disp_clk_request_efficiency.full = dfixed_const(8);
2160	disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
2161
2162	min_bandwidth = min(dfixed_trunc(b1), dfixed_trunc(b2));
2163
2164	a.full = dfixed_const(min_bandwidth);
2165	bandwidth.full = dfixed_mul(a, disp_clk_request_efficiency);
2166
2167	return dfixed_trunc(bandwidth);
2168}
2169
2170static u32 dce6_available_bandwidth(struct dce6_wm_params *wm)
2171{
2172	/* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
2173	u32 dram_bandwidth = dce6_dram_bandwidth(wm);
2174	u32 data_return_bandwidth = dce6_data_return_bandwidth(wm);
2175	u32 dmif_req_bandwidth = dce6_dmif_request_bandwidth(wm);
2176
2177	return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
2178}
2179
2180static u32 dce6_average_bandwidth(struct dce6_wm_params *wm)
2181{
2182	/* Calculate the display mode Average Bandwidth
2183	 * DisplayMode should contain the source and destination dimensions,
2184	 * timing, etc.
2185	 */
2186	fixed20_12 bpp;
2187	fixed20_12 line_time;
2188	fixed20_12 src_width;
2189	fixed20_12 bandwidth;
2190	fixed20_12 a;
2191
2192	a.full = dfixed_const(1000);
2193	line_time.full = dfixed_const(wm->active_time + wm->blank_time);
2194	line_time.full = dfixed_div(line_time, a);
2195	bpp.full = dfixed_const(wm->bytes_per_pixel);
2196	src_width.full = dfixed_const(wm->src_width);
2197	bandwidth.full = dfixed_mul(src_width, bpp);
2198	bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
2199	bandwidth.full = dfixed_div(bandwidth, line_time);
2200
2201	return dfixed_trunc(bandwidth);
2202}
2203
2204static u32 dce6_latency_watermark(struct dce6_wm_params *wm)
2205{
2206	/* First calcualte the latency in ns */
2207	u32 mc_latency = 2000; /* 2000 ns. */
2208	u32 available_bandwidth = dce6_available_bandwidth(wm);
2209	u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
2210	u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
2211	u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
2212	u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
2213		(wm->num_heads * cursor_line_pair_return_time);
2214	u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
2215	u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
2216	u32 tmp, dmif_size = 12288;
2217	fixed20_12 a, b, c;
2218
2219	if (wm->num_heads == 0)
2220		return 0;
2221
2222	a.full = dfixed_const(2);
2223	b.full = dfixed_const(1);
2224	if ((wm->vsc.full > a.full) ||
2225	    ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
2226	    (wm->vtaps >= 5) ||
2227	    ((wm->vsc.full >= a.full) && wm->interlaced))
2228		max_src_lines_per_dst_line = 4;
2229	else
2230		max_src_lines_per_dst_line = 2;
2231
2232	a.full = dfixed_const(available_bandwidth);
2233	b.full = dfixed_const(wm->num_heads);
2234	a.full = dfixed_div(a, b);
2235	tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
2236	tmp = min(dfixed_trunc(a), tmp);
2237
2238	lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
2239
2240	a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
2241	b.full = dfixed_const(1000);
2242	c.full = dfixed_const(lb_fill_bw);
2243	b.full = dfixed_div(c, b);
2244	a.full = dfixed_div(a, b);
2245	line_fill_time = dfixed_trunc(a);
2246
2247	if (line_fill_time < wm->active_time)
2248		return latency;
2249	else
2250		return latency + (line_fill_time - wm->active_time);
2251
2252}
2253
2254static bool dce6_average_bandwidth_vs_dram_bandwidth_for_display(struct dce6_wm_params *wm)
2255{
2256	if (dce6_average_bandwidth(wm) <=
2257	    (dce6_dram_bandwidth_for_display(wm) / wm->num_heads))
2258		return true;
2259	else
2260		return false;
2261};
2262
2263static bool dce6_average_bandwidth_vs_available_bandwidth(struct dce6_wm_params *wm)
2264{
2265	if (dce6_average_bandwidth(wm) <=
2266	    (dce6_available_bandwidth(wm) / wm->num_heads))
2267		return true;
2268	else
2269		return false;
2270};
2271
2272static bool dce6_check_latency_hiding(struct dce6_wm_params *wm)
2273{
2274	u32 lb_partitions = wm->lb_size / wm->src_width;
2275	u32 line_time = wm->active_time + wm->blank_time;
2276	u32 latency_tolerant_lines;
2277	u32 latency_hiding;
2278	fixed20_12 a;
2279
2280	a.full = dfixed_const(1);
2281	if (wm->vsc.full > a.full)
2282		latency_tolerant_lines = 1;
2283	else {
2284		if (lb_partitions <= (wm->vtaps + 1))
2285			latency_tolerant_lines = 1;
2286		else
2287			latency_tolerant_lines = 2;
2288	}
2289
2290	latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
2291
2292	if (dce6_latency_watermark(wm) <= latency_hiding)
2293		return true;
2294	else
2295		return false;
2296}
2297
2298static void dce6_program_watermarks(struct radeon_device *rdev,
2299					 struct radeon_crtc *radeon_crtc,
2300					 u32 lb_size, u32 num_heads)
2301{
2302	struct drm_display_mode *mode = &radeon_crtc->base.mode;
2303	struct dce6_wm_params wm_low, wm_high;
2304	u32 dram_channels;
2305	u32 active_time;
2306	u32 line_time = 0;
2307	u32 latency_watermark_a = 0, latency_watermark_b = 0;
2308	u32 priority_a_mark = 0, priority_b_mark = 0;
2309	u32 priority_a_cnt = PRIORITY_OFF;
2310	u32 priority_b_cnt = PRIORITY_OFF;
2311	u32 tmp, arb_control3;
2312	fixed20_12 a, b, c;
2313
2314	if (radeon_crtc->base.enabled && num_heads && mode) {
2315		active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
2316					    (u32)mode->clock);
2317		line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
2318					  (u32)mode->clock);
2319		line_time = min(line_time, (u32)65535);
2320		priority_a_cnt = 0;
2321		priority_b_cnt = 0;
2322
2323		if (rdev->family == CHIP_ARUBA)
2324			dram_channels = evergreen_get_number_of_dram_channels(rdev);
2325		else
2326			dram_channels = si_get_number_of_dram_channels(rdev);
2327
2328		/* watermark for high clocks */
2329		if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled) {
2330			wm_high.yclk =
2331				radeon_dpm_get_mclk(rdev, false) * 10;
2332			wm_high.sclk =
2333				radeon_dpm_get_sclk(rdev, false) * 10;
2334		} else {
2335			wm_high.yclk = rdev->pm.current_mclk * 10;
2336			wm_high.sclk = rdev->pm.current_sclk * 10;
2337		}
2338
2339		wm_high.disp_clk = mode->clock;
2340		wm_high.src_width = mode->crtc_hdisplay;
2341		wm_high.active_time = active_time;
2342		wm_high.blank_time = line_time - wm_high.active_time;
2343		wm_high.interlaced = false;
2344		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2345			wm_high.interlaced = true;
2346		wm_high.vsc = radeon_crtc->vsc;
2347		wm_high.vtaps = 1;
2348		if (radeon_crtc->rmx_type != RMX_OFF)
2349			wm_high.vtaps = 2;
2350		wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
2351		wm_high.lb_size = lb_size;
2352		wm_high.dram_channels = dram_channels;
2353		wm_high.num_heads = num_heads;
2354
2355		/* watermark for low clocks */
2356		if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled) {
2357			wm_low.yclk =
2358				radeon_dpm_get_mclk(rdev, true) * 10;
2359			wm_low.sclk =
2360				radeon_dpm_get_sclk(rdev, true) * 10;
2361		} else {
2362			wm_low.yclk = rdev->pm.current_mclk * 10;
2363			wm_low.sclk = rdev->pm.current_sclk * 10;
2364		}
2365
2366		wm_low.disp_clk = mode->clock;
2367		wm_low.src_width = mode->crtc_hdisplay;
2368		wm_low.active_time = active_time;
2369		wm_low.blank_time = line_time - wm_low.active_time;
2370		wm_low.interlaced = false;
2371		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2372			wm_low.interlaced = true;
2373		wm_low.vsc = radeon_crtc->vsc;
2374		wm_low.vtaps = 1;
2375		if (radeon_crtc->rmx_type != RMX_OFF)
2376			wm_low.vtaps = 2;
2377		wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
2378		wm_low.lb_size = lb_size;
2379		wm_low.dram_channels = dram_channels;
2380		wm_low.num_heads = num_heads;
2381
2382		/* set for high clocks */
2383		latency_watermark_a = min(dce6_latency_watermark(&wm_high), (u32)65535);
2384		/* set for low clocks */
2385		latency_watermark_b = min(dce6_latency_watermark(&wm_low), (u32)65535);
2386
2387		/* possibly force display priority to high */
2388		/* should really do this at mode validation time... */
2389		if (!dce6_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
2390		    !dce6_average_bandwidth_vs_available_bandwidth(&wm_high) ||
2391		    !dce6_check_latency_hiding(&wm_high) ||
2392		    (rdev->disp_priority == 2)) {
2393			DRM_DEBUG_KMS("force priority to high\n");
2394			priority_a_cnt |= PRIORITY_ALWAYS_ON;
2395			priority_b_cnt |= PRIORITY_ALWAYS_ON;
2396		}
2397		if (!dce6_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
2398		    !dce6_average_bandwidth_vs_available_bandwidth(&wm_low) ||
2399		    !dce6_check_latency_hiding(&wm_low) ||
2400		    (rdev->disp_priority == 2)) {
2401			DRM_DEBUG_KMS("force priority to high\n");
2402			priority_a_cnt |= PRIORITY_ALWAYS_ON;
2403			priority_b_cnt |= PRIORITY_ALWAYS_ON;
2404		}
2405
2406		a.full = dfixed_const(1000);
2407		b.full = dfixed_const(mode->clock);
2408		b.full = dfixed_div(b, a);
2409		c.full = dfixed_const(latency_watermark_a);
2410		c.full = dfixed_mul(c, b);
2411		c.full = dfixed_mul(c, radeon_crtc->hsc);
2412		c.full = dfixed_div(c, a);
2413		a.full = dfixed_const(16);
2414		c.full = dfixed_div(c, a);
2415		priority_a_mark = dfixed_trunc(c);
2416		priority_a_cnt |= priority_a_mark & PRIORITY_MARK_MASK;
2417
2418		a.full = dfixed_const(1000);
2419		b.full = dfixed_const(mode->clock);
2420		b.full = dfixed_div(b, a);
2421		c.full = dfixed_const(latency_watermark_b);
2422		c.full = dfixed_mul(c, b);
2423		c.full = dfixed_mul(c, radeon_crtc->hsc);
2424		c.full = dfixed_div(c, a);
2425		a.full = dfixed_const(16);
2426		c.full = dfixed_div(c, a);
2427		priority_b_mark = dfixed_trunc(c);
2428		priority_b_cnt |= priority_b_mark & PRIORITY_MARK_MASK;
2429
2430		/* Save number of lines the linebuffer leads before the scanout */
2431		radeon_crtc->lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
2432	}
2433
2434	/* select wm A */
2435	arb_control3 = RREG32(DPG_PIPE_ARBITRATION_CONTROL3 + radeon_crtc->crtc_offset);
2436	tmp = arb_control3;
2437	tmp &= ~LATENCY_WATERMARK_MASK(3);
2438	tmp |= LATENCY_WATERMARK_MASK(1);
2439	WREG32(DPG_PIPE_ARBITRATION_CONTROL3 + radeon_crtc->crtc_offset, tmp);
2440	WREG32(DPG_PIPE_LATENCY_CONTROL + radeon_crtc->crtc_offset,
2441	       (LATENCY_LOW_WATERMARK(latency_watermark_a) |
2442		LATENCY_HIGH_WATERMARK(line_time)));
2443	/* select wm B */
2444	tmp = RREG32(DPG_PIPE_ARBITRATION_CONTROL3 + radeon_crtc->crtc_offset);
2445	tmp &= ~LATENCY_WATERMARK_MASK(3);
2446	tmp |= LATENCY_WATERMARK_MASK(2);
2447	WREG32(DPG_PIPE_ARBITRATION_CONTROL3 + radeon_crtc->crtc_offset, tmp);
2448	WREG32(DPG_PIPE_LATENCY_CONTROL + radeon_crtc->crtc_offset,
2449	       (LATENCY_LOW_WATERMARK(latency_watermark_b) |
2450		LATENCY_HIGH_WATERMARK(line_time)));
2451	/* restore original selection */
2452	WREG32(DPG_PIPE_ARBITRATION_CONTROL3 + radeon_crtc->crtc_offset, arb_control3);
2453
2454	/* write the priority marks */
2455	WREG32(PRIORITY_A_CNT + radeon_crtc->crtc_offset, priority_a_cnt);
2456	WREG32(PRIORITY_B_CNT + radeon_crtc->crtc_offset, priority_b_cnt);
2457
2458	/* save values for DPM */
2459	radeon_crtc->line_time = line_time;
2460	radeon_crtc->wm_high = latency_watermark_a;
2461	radeon_crtc->wm_low = latency_watermark_b;
2462}
2463
2464void dce6_bandwidth_update(struct radeon_device *rdev)
2465{
2466	struct drm_display_mode *mode0 = NULL;
2467	struct drm_display_mode *mode1 = NULL;
2468	u32 num_heads = 0, lb_size;
2469	int i;
2470
2471	if (!rdev->mode_info.mode_config_initialized)
2472		return;
2473
2474	radeon_update_display_priority(rdev);
2475
2476	for (i = 0; i < rdev->num_crtc; i++) {
2477		if (rdev->mode_info.crtcs[i]->base.enabled)
2478			num_heads++;
2479	}
2480	for (i = 0; i < rdev->num_crtc; i += 2) {
2481		mode0 = &rdev->mode_info.crtcs[i]->base.mode;
2482		mode1 = &rdev->mode_info.crtcs[i+1]->base.mode;
2483		lb_size = dce6_line_buffer_adjust(rdev, rdev->mode_info.crtcs[i], mode0, mode1);
2484		dce6_program_watermarks(rdev, rdev->mode_info.crtcs[i], lb_size, num_heads);
2485		lb_size = dce6_line_buffer_adjust(rdev, rdev->mode_info.crtcs[i+1], mode1, mode0);
2486		dce6_program_watermarks(rdev, rdev->mode_info.crtcs[i+1], lb_size, num_heads);
2487	}
2488}
2489
2490/*
2491 * Core functions
2492 */
2493static void si_tiling_mode_table_init(struct radeon_device *rdev)
2494{
2495	u32 *tile = rdev->config.si.tile_mode_array;
2496	const u32 num_tile_mode_states =
2497			ARRAY_SIZE(rdev->config.si.tile_mode_array);
2498	u32 reg_offset, split_equal_to_row_size;
2499
2500	switch (rdev->config.si.mem_row_size_in_kb) {
2501	case 1:
2502		split_equal_to_row_size = ADDR_SURF_TILE_SPLIT_1KB;
2503		break;
2504	case 2:
2505	default:
2506		split_equal_to_row_size = ADDR_SURF_TILE_SPLIT_2KB;
2507		break;
2508	case 4:
2509		split_equal_to_row_size = ADDR_SURF_TILE_SPLIT_4KB;
2510		break;
2511	}
2512
2513	for (reg_offset = 0; reg_offset < num_tile_mode_states; reg_offset++)
2514		tile[reg_offset] = 0;
2515
2516	switch(rdev->family) {
2517	case CHIP_TAHITI:
2518	case CHIP_PITCAIRN:
2519		/* non-AA compressed depth or any compressed stencil */
2520		tile[0] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2521			   MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2522			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2523			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2524			   NUM_BANKS(ADDR_SURF_16_BANK) |
2525			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2526			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2527			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2528		/* 2xAA/4xAA compressed depth only */
2529		tile[1] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2530			   MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2531			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2532			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_128B) |
2533			   NUM_BANKS(ADDR_SURF_16_BANK) |
2534			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2535			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2536			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2537		/* 8xAA compressed depth only */
2538		tile[2] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2539			   MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2540			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2541			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2542			   NUM_BANKS(ADDR_SURF_16_BANK) |
2543			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2544			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2545			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2546		/* 2xAA/4xAA compressed depth with stencil (for depth buffer) */
2547		tile[3] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2548			   MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2549			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2550			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_128B) |
2551			   NUM_BANKS(ADDR_SURF_16_BANK) |
2552			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2553			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2554			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2555		/* Maps w/ a dimension less than the 2D macro-tile dimensions (for mipmapped depth textures) */
2556		tile[4] = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
2557			   MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2558			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2559			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2560			   NUM_BANKS(ADDR_SURF_16_BANK) |
2561			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2562			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2563			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2564		/* Uncompressed 16bpp depth - and stencil buffer allocated with it */
2565		tile[5] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2566			   MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2567			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2568			   TILE_SPLIT(split_equal_to_row_size) |
2569			   NUM_BANKS(ADDR_SURF_16_BANK) |
2570			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2571			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2572			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2573		/* Uncompressed 32bpp depth - and stencil buffer allocated with it */
2574		tile[6] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2575			   MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2576			   PIPE_CONFIG(ADDR_SURF_P8_32x32_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_1));
2582		/* Uncompressed 8bpp stencil without depth (drivers typically do not use) */
2583		tile[7] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2584			   MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2585			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2586			   TILE_SPLIT(split_equal_to_row_size) |
2587			   NUM_BANKS(ADDR_SURF_16_BANK) |
2588			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2589			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2590			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2591		/* 1D and 1D Array Surfaces */
2592		tile[8] = (ARRAY_MODE(ARRAY_LINEAR_ALIGNED) |
2593			   MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2594			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2595			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2596			   NUM_BANKS(ADDR_SURF_16_BANK) |
2597			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2598			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2599			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2600		/* Displayable maps. */
2601		tile[9] = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
2602			   MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2603			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2604			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2605			   NUM_BANKS(ADDR_SURF_16_BANK) |
2606			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2607			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2608			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2609		/* Display 8bpp. */
2610		tile[10] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2611			   MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2612			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2613			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2614			   NUM_BANKS(ADDR_SURF_16_BANK) |
2615			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2616			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2617			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2618		/* Display 16bpp. */
2619		tile[11] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2620			   MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2621			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2622			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2623			   NUM_BANKS(ADDR_SURF_16_BANK) |
2624			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2625			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2626			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2627		/* Display 32bpp. */
2628		tile[12] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2629			   MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2630			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2631			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) |
2632			   NUM_BANKS(ADDR_SURF_16_BANK) |
2633			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2634			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2635			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
2636		/* Thin. */
2637		tile[13] = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
2638			   MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2639			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2640			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2641			   NUM_BANKS(ADDR_SURF_16_BANK) |
2642			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2643			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2644			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2645		/* Thin 8 bpp. */
2646		tile[14] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2647			   MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2648			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2649			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2650			   NUM_BANKS(ADDR_SURF_16_BANK) |
2651			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2652			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2653			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
2654		/* Thin 16 bpp. */
2655		tile[15] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2656			   MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2657			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2658			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2659			   NUM_BANKS(ADDR_SURF_16_BANK) |
2660			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2661			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2662			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
2663		/* Thin 32 bpp. */
2664		tile[16] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2665			   MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2666			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2667			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) |
2668			   NUM_BANKS(ADDR_SURF_16_BANK) |
2669			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2670			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2671			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
2672		/* Thin 64 bpp. */
2673		tile[17] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2674			   MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2675			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2676			   TILE_SPLIT(split_equal_to_row_size) |
2677			   NUM_BANKS(ADDR_SURF_16_BANK) |
2678			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2679			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2680			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
2681		/* 8 bpp PRT. */
2682		tile[21] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2683			   MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2684			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2685			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2686			   NUM_BANKS(ADDR_SURF_16_BANK) |
2687			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_2) |
2688			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2689			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2690		/* 16 bpp PRT */
2691		tile[22] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2692			   MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2693			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2694			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2695			   NUM_BANKS(ADDR_SURF_16_BANK) |
2696			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2697			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2698			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
2699		/* 32 bpp PRT */
2700		tile[23] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2701			   MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2702			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2703			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2704			   NUM_BANKS(ADDR_SURF_16_BANK) |
2705			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2706			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2707			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2708		/* 64 bpp PRT */
2709		tile[24] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2710			   MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2711			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2712			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) |
2713			   NUM_BANKS(ADDR_SURF_16_BANK) |
2714			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2715			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2716			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2717		/* 128 bpp PRT */
2718		tile[25] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2719			   MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2720			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2721			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_1KB) |
2722			   NUM_BANKS(ADDR_SURF_8_BANK) |
2723			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2724			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2725			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
2726
2727		for (reg_offset = 0; reg_offset < num_tile_mode_states; reg_offset++)
2728			WREG32(GB_TILE_MODE0 + (reg_offset * 4), tile[reg_offset]);
2729		break;
2730
2731	case CHIP_VERDE:
2732	case CHIP_OLAND:
2733	case CHIP_HAINAN:
2734		/* non-AA compressed depth or any compressed stencil */
2735		tile[0] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2736			   MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2737			   PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2738			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2739			   NUM_BANKS(ADDR_SURF_16_BANK) |
2740			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2741			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2742			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
2743		/* 2xAA/4xAA compressed depth only */
2744		tile[1] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2745			   MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2746			   PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2747			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_128B) |
2748			   NUM_BANKS(ADDR_SURF_16_BANK) |
2749			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2750			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2751			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
2752		/* 8xAA compressed depth only */
2753		tile[2] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2754			   MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2755			   PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2756			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2757			   NUM_BANKS(ADDR_SURF_16_BANK) |
2758			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2759			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2760			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
2761		/* 2xAA/4xAA compressed depth with stencil (for depth buffer) */
2762		tile[3] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2763			   MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2764			   PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2765			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_128B) |
2766			   NUM_BANKS(ADDR_SURF_16_BANK) |
2767			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2768			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2769			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
2770		/* Maps w/ a dimension less than the 2D macro-tile dimensions (for mipmapped depth textures) */
2771		tile[4] = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
2772			   MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2773			   PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2774			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2775			   NUM_BANKS(ADDR_SURF_16_BANK) |
2776			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2777			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2778			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2779		/* Uncompressed 16bpp depth - and stencil buffer allocated with it */
2780		tile[5] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2781			   MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2782			   PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2783			   TILE_SPLIT(split_equal_to_row_size) |
2784			   NUM_BANKS(ADDR_SURF_16_BANK) |
2785			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2786			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2787			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2788		/* Uncompressed 32bpp depth - and stencil buffer allocated with it */
2789		tile[6] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2790			   MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2791			   PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2792			   TILE_SPLIT(split_equal_to_row_size) |
2793			   NUM_BANKS(ADDR_SURF_16_BANK) |
2794			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2795			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2796			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2797		/* Uncompressed 8bpp stencil without depth (drivers typically do not use) */
2798		tile[7] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2799			   MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2800			   PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2801			   TILE_SPLIT(split_equal_to_row_size) |
2802			   NUM_BANKS(ADDR_SURF_16_BANK) |
2803			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2804			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2805			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
2806		/* 1D and 1D Array Surfaces */
2807		tile[8] = (ARRAY_MODE(ARRAY_LINEAR_ALIGNED) |
2808			   MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2809			   PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2810			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2811			   NUM_BANKS(ADDR_SURF_16_BANK) |
2812			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2813			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2814			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2815		/* Displayable maps. */
2816		tile[9] = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
2817			   MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2818			   PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2819			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2820			   NUM_BANKS(ADDR_SURF_16_BANK) |
2821			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2822			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2823			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2824		/* Display 8bpp. */
2825		tile[10] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2826			   MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2827			   PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2828			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2829			   NUM_BANKS(ADDR_SURF_16_BANK) |
2830			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2831			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2832			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
2833		/* Display 16bpp. */
2834		tile[11] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2835			   MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2836			   PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2837			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2838			   NUM_BANKS(ADDR_SURF_16_BANK) |
2839			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2840			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2841			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2842		/* Display 32bpp. */
2843		tile[12] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2844			   MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2845			   PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2846			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) |
2847			   NUM_BANKS(ADDR_SURF_16_BANK) |
2848			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2849			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2850			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2851		/* Thin. */
2852		tile[13] = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
2853			   MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2854			   PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2855			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2856			   NUM_BANKS(ADDR_SURF_16_BANK) |
2857			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2858			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2859			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2860		/* Thin 8 bpp. */
2861		tile[14] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2862			   MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2863			   PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2864			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2865			   NUM_BANKS(ADDR_SURF_16_BANK) |
2866			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2867			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2868			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2869		/* Thin 16 bpp. */
2870		tile[15] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2871			   MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2872			   PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2873			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2874			   NUM_BANKS(ADDR_SURF_16_BANK) |
2875			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2876			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2877			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2878		/* Thin 32 bpp. */
2879		tile[16] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2880			   MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2881			   PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2882			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) |
2883			   NUM_BANKS(ADDR_SURF_16_BANK) |
2884			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2885			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2886			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2887		/* Thin 64 bpp. */
2888		tile[17] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2889			   MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2890			   PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2891			   TILE_SPLIT(split_equal_to_row_size) |
2892			   NUM_BANKS(ADDR_SURF_16_BANK) |
2893			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2894			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2895			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2896		/* 8 bpp PRT. */
2897		tile[21] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2898			   MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2899			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2900			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2901			   NUM_BANKS(ADDR_SURF_16_BANK) |
2902			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_2) |
2903			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2904			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2905		/* 16 bpp PRT */
2906		tile[22] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2907			   MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2908			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2909			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2910			   NUM_BANKS(ADDR_SURF_16_BANK) |
2911			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2912			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2913			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
2914		/* 32 bpp PRT */
2915		tile[23] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2916			   MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2917			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2918			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2919			   NUM_BANKS(ADDR_SURF_16_BANK) |
2920			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2921			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2922			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2923		/* 64 bpp PRT */
2924		tile[24] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2925			   MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2926			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2927			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) |
2928			   NUM_BANKS(ADDR_SURF_16_BANK) |
2929			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2930			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2931			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2932		/* 128 bpp PRT */
2933		tile[25] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2934			   MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2935			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2936			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_1KB) |
2937			   NUM_BANKS(ADDR_SURF_8_BANK) |
2938			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2939			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2940			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
2941
2942		for (reg_offset = 0; reg_offset < num_tile_mode_states; reg_offset++)
2943			WREG32(GB_TILE_MODE0 + (reg_offset * 4), tile[reg_offset]);
2944		break;
2945
2946	default:
2947		DRM_ERROR("unknown asic: 0x%x\n", rdev->family);
2948	}
2949}
2950
2951static void si_select_se_sh(struct radeon_device *rdev,
2952			    u32 se_num, u32 sh_num)
2953{
2954	u32 data = INSTANCE_BROADCAST_WRITES;
2955
2956	if ((se_num == 0xffffffff) && (sh_num == 0xffffffff))
2957		data |= SH_BROADCAST_WRITES | SE_BROADCAST_WRITES;
2958	else if (se_num == 0xffffffff)
2959		data |= SE_BROADCAST_WRITES | SH_INDEX(sh_num);
2960	else if (sh_num == 0xffffffff)
2961		data |= SH_BROADCAST_WRITES | SE_INDEX(se_num);
2962	else
2963		data |= SH_INDEX(sh_num) | SE_INDEX(se_num);
2964	WREG32(GRBM_GFX_INDEX, data);
2965}
2966
2967static u32 si_create_bitmask(u32 bit_width)
2968{
2969	u32 i, mask = 0;
2970
2971	for (i = 0; i < bit_width; i++) {
2972		mask <<= 1;
2973		mask |= 1;
2974	}
2975	return mask;
2976}
2977
2978static u32 si_get_cu_enabled(struct radeon_device *rdev, u32 cu_per_sh)
2979{
2980	u32 data, mask;
2981
2982	data = RREG32(CC_GC_SHADER_ARRAY_CONFIG);
2983	if (data & 1)
2984		data &= INACTIVE_CUS_MASK;
2985	else
2986		data = 0;
2987	data |= RREG32(GC_USER_SHADER_ARRAY_CONFIG);
2988
2989	data >>= INACTIVE_CUS_SHIFT;
2990
2991	mask = si_create_bitmask(cu_per_sh);
2992
2993	return ~data & mask;
2994}
2995
2996static void si_setup_spi(struct radeon_device *rdev,
2997			 u32 se_num, u32 sh_per_se,
2998			 u32 cu_per_sh)
2999{
3000	int i, j, k;
3001	u32 data, mask, active_cu;
3002
3003	for (i = 0; i < se_num; i++) {
3004		for (j = 0; j < sh_per_se; j++) {
3005			si_select_se_sh(rdev, i, j);
3006			data = RREG32(SPI_STATIC_THREAD_MGMT_3);
3007			active_cu = si_get_cu_enabled(rdev, cu_per_sh);
3008
3009			mask = 1;
3010			for (k = 0; k < 16; k++) {
3011				mask <<= k;
3012				if (active_cu & mask) {
3013					data &= ~mask;
3014					WREG32(SPI_STATIC_THREAD_MGMT_3, data);
3015					break;
3016				}
3017			}
3018		}
3019	}
3020	si_select_se_sh(rdev, 0xffffffff, 0xffffffff);
3021}
3022
3023static u32 si_get_rb_disabled(struct radeon_device *rdev,
3024			      u32 max_rb_num_per_se,
3025			      u32 sh_per_se)
3026{
3027	u32 data, mask;
3028
3029	data = RREG32(CC_RB_BACKEND_DISABLE);
3030	if (data & 1)
3031		data &= BACKEND_DISABLE_MASK;
3032	else
3033		data = 0;
3034	data |= RREG32(GC_USER_RB_BACKEND_DISABLE);
3035
3036	data >>= BACKEND_DISABLE_SHIFT;
3037
3038	mask = si_create_bitmask(max_rb_num_per_se / sh_per_se);
3039
3040	return data & mask;
3041}
3042
3043static void si_setup_rb(struct radeon_device *rdev,
3044			u32 se_num, u32 sh_per_se,
3045			u32 max_rb_num_per_se)
3046{
3047	int i, j;
3048	u32 data, mask;
3049	u32 disabled_rbs = 0;
3050	u32 enabled_rbs = 0;
3051
3052	for (i = 0; i < se_num; i++) {
3053		for (j = 0; j < sh_per_se; j++) {
3054			si_select_se_sh(rdev, i, j);
3055			data = si_get_rb_disabled(rdev, max_rb_num_per_se, sh_per_se);
3056			disabled_rbs |= data << ((i * sh_per_se + j) * TAHITI_RB_BITMAP_WIDTH_PER_SH);
3057		}
3058	}
3059	si_select_se_sh(rdev, 0xffffffff, 0xffffffff);
3060
3061	mask = 1;
3062	for (i = 0; i < max_rb_num_per_se * se_num; i++) {
3063		if (!(disabled_rbs & mask))
3064			enabled_rbs |= mask;
3065		mask <<= 1;
3066	}
3067
3068	rdev->config.si.backend_enable_mask = enabled_rbs;
3069
3070	for (i = 0; i < se_num; i++) {
3071		si_select_se_sh(rdev, i, 0xffffffff);
3072		data = 0;
3073		for (j = 0; j < sh_per_se; j++) {
3074			switch (enabled_rbs & 3) {
3075			case 1:
3076				data |= (RASTER_CONFIG_RB_MAP_0 << (i * sh_per_se + j) * 2);
3077				break;
3078			case 2:
3079				data |= (RASTER_CONFIG_RB_MAP_3 << (i * sh_per_se + j) * 2);
3080				break;
3081			case 3:
3082			default:
3083				data |= (RASTER_CONFIG_RB_MAP_2 << (i * sh_per_se + j) * 2);
3084				break;
3085			}
3086			enabled_rbs >>= 2;
3087		}
3088		WREG32(PA_SC_RASTER_CONFIG, data);
3089	}
3090	si_select_se_sh(rdev, 0xffffffff, 0xffffffff);
3091}
3092
3093static void si_gpu_init(struct radeon_device *rdev)
3094{
3095	u32 gb_addr_config = 0;
3096	u32 mc_shared_chmap, mc_arb_ramcfg;
3097	u32 sx_debug_1;
3098	u32 hdp_host_path_cntl;
3099	u32 tmp;
3100	int i, j;
3101
3102	switch (rdev->family) {
3103	case CHIP_TAHITI:
3104		rdev->config.si.max_shader_engines = 2;
3105		rdev->config.si.max_tile_pipes = 12;
3106		rdev->config.si.max_cu_per_sh = 8;
3107		rdev->config.si.max_sh_per_se = 2;
3108		rdev->config.si.max_backends_per_se = 4;
3109		rdev->config.si.max_texture_channel_caches = 12;
3110		rdev->config.si.max_gprs = 256;
3111		rdev->config.si.max_gs_threads = 32;
3112		rdev->config.si.max_hw_contexts = 8;
3113
3114		rdev->config.si.sc_prim_fifo_size_frontend = 0x20;
3115		rdev->config.si.sc_prim_fifo_size_backend = 0x100;
3116		rdev->config.si.sc_hiz_tile_fifo_size = 0x30;
3117		rdev->config.si.sc_earlyz_tile_fifo_size = 0x130;
3118		gb_addr_config = TAHITI_GB_ADDR_CONFIG_GOLDEN;
3119		break;
3120	case CHIP_PITCAIRN:
3121		rdev->config.si.max_shader_engines = 2;
3122		rdev->config.si.max_tile_pipes = 8;
3123		rdev->config.si.max_cu_per_sh = 5;
3124		rdev->config.si.max_sh_per_se = 2;
3125		rdev->config.si.max_backends_per_se = 4;
3126		rdev->config.si.max_texture_channel_caches = 8;
3127		rdev->config.si.max_gprs = 256;
3128		rdev->config.si.max_gs_threads = 32;
3129		rdev->config.si.max_hw_contexts = 8;
3130
3131		rdev->config.si.sc_prim_fifo_size_frontend = 0x20;
3132		rdev->config.si.sc_prim_fifo_size_backend = 0x100;
3133		rdev->config.si.sc_hiz_tile_fifo_size = 0x30;
3134		rdev->config.si.sc_earlyz_tile_fifo_size = 0x130;
3135		gb_addr_config = TAHITI_GB_ADDR_CONFIG_GOLDEN;
3136		break;
3137	case CHIP_VERDE:
3138	default:
3139		rdev->config.si.max_shader_engines = 1;
3140		rdev->config.si.max_tile_pipes = 4;
3141		rdev->config.si.max_cu_per_sh = 5;
3142		rdev->config.si.max_sh_per_se = 2;
3143		rdev->config.si.max_backends_per_se = 4;
3144		rdev->config.si.max_texture_channel_caches = 4;
3145		rdev->config.si.max_gprs = 256;
3146		rdev->config.si.max_gs_threads = 32;
3147		rdev->config.si.max_hw_contexts = 8;
3148
3149		rdev->config.si.sc_prim_fifo_size_frontend = 0x20;
3150		rdev->config.si.sc_prim_fifo_size_backend = 0x40;
3151		rdev->config.si.sc_hiz_tile_fifo_size = 0x30;
3152		rdev->config.si.sc_earlyz_tile_fifo_size = 0x130;
3153		gb_addr_config = VERDE_GB_ADDR_CONFIG_GOLDEN;
3154		break;
3155	case CHIP_OLAND:
3156		rdev->config.si.max_shader_engines = 1;
3157		rdev->config.si.max_tile_pipes = 4;
3158		rdev->config.si.max_cu_per_sh = 6;
3159		rdev->config.si.max_sh_per_se = 1;
3160		rdev->config.si.max_backends_per_se = 2;
3161		rdev->config.si.max_texture_channel_caches = 4;
3162		rdev->config.si.max_gprs = 256;
3163		rdev->config.si.max_gs_threads = 16;
3164		rdev->config.si.max_hw_contexts = 8;
3165
3166		rdev->config.si.sc_prim_fifo_size_frontend = 0x20;
3167		rdev->config.si.sc_prim_fifo_size_backend = 0x40;
3168		rdev->config.si.sc_hiz_tile_fifo_size = 0x30;
3169		rdev->config.si.sc_earlyz_tile_fifo_size = 0x130;
3170		gb_addr_config = VERDE_GB_ADDR_CONFIG_GOLDEN;
3171		break;
3172	case CHIP_HAINAN:
3173		rdev->config.si.max_shader_engines = 1;
3174		rdev->config.si.max_tile_pipes = 4;
3175		rdev->config.si.max_cu_per_sh = 5;
3176		rdev->config.si.max_sh_per_se = 1;
3177		rdev->config.si.max_backends_per_se = 1;
3178		rdev->config.si.max_texture_channel_caches = 2;
3179		rdev->config.si.max_gprs = 256;
3180		rdev->config.si.max_gs_threads = 16;
3181		rdev->config.si.max_hw_contexts = 8;
3182
3183		rdev->config.si.sc_prim_fifo_size_frontend = 0x20;
3184		rdev->config.si.sc_prim_fifo_size_backend = 0x40;
3185		rdev->config.si.sc_hiz_tile_fifo_size = 0x30;
3186		rdev->config.si.sc_earlyz_tile_fifo_size = 0x130;
3187		gb_addr_config = HAINAN_GB_ADDR_CONFIG_GOLDEN;
3188		break;
3189	}
3190
3191	/* Initialize HDP */
3192	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
3193		WREG32((0x2c14 + j), 0x00000000);
3194		WREG32((0x2c18 + j), 0x00000000);
3195		WREG32((0x2c1c + j), 0x00000000);
3196		WREG32((0x2c20 + j), 0x00000000);
3197		WREG32((0x2c24 + j), 0x00000000);
3198	}
3199
3200	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
3201	WREG32(SRBM_INT_CNTL, 1);
3202	WREG32(SRBM_INT_ACK, 1);
3203
3204	evergreen_fix_pci_max_read_req_size(rdev);
3205
3206	WREG32(BIF_FB_EN, FB_READ_EN | FB_WRITE_EN);
3207
3208	mc_shared_chmap = RREG32(MC_SHARED_CHMAP);
3209	mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
3210
3211	rdev->config.si.num_tile_pipes = rdev->config.si.max_tile_pipes;
3212	rdev->config.si.mem_max_burst_length_bytes = 256;
3213	tmp = (mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT;
3214	rdev->config.si.mem_row_size_in_kb = (4 * (1 << (8 + tmp))) / 1024;
3215	if (rdev->config.si.mem_row_size_in_kb > 4)
3216		rdev->config.si.mem_row_size_in_kb = 4;
3217	/* XXX use MC settings? */
3218	rdev->config.si.shader_engine_tile_size = 32;
3219	rdev->config.si.num_gpus = 1;
3220	rdev->config.si.multi_gpu_tile_size = 64;
3221
3222	/* fix up row size */
3223	gb_addr_config &= ~ROW_SIZE_MASK;
3224	switch (rdev->config.si.mem_row_size_in_kb) {
3225	case 1:
3226	default:
3227		gb_addr_config |= ROW_SIZE(0);
3228		break;
3229	case 2:
3230		gb_addr_config |= ROW_SIZE(1);
3231		break;
3232	case 4:
3233		gb_addr_config |= ROW_SIZE(2);
3234		break;
3235	}
3236
3237	/* setup tiling info dword.  gb_addr_config is not adequate since it does
3238	 * not have bank info, so create a custom tiling dword.
3239	 * bits 3:0   num_pipes
3240	 * bits 7:4   num_banks
3241	 * bits 11:8  group_size
3242	 * bits 15:12 row_size
3243	 */
3244	rdev->config.si.tile_config = 0;
3245	switch (rdev->config.si.num_tile_pipes) {
3246	case 1:
3247		rdev->config.si.tile_config |= (0 << 0);
3248		break;
3249	case 2:
3250		rdev->config.si.tile_config |= (1 << 0);
3251		break;
3252	case 4:
3253		rdev->config.si.tile_config |= (2 << 0);
3254		break;
3255	case 8:
3256	default:
3257		/* XXX what about 12? */
3258		rdev->config.si.tile_config |= (3 << 0);
3259		break;
3260	}
3261	switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) {
3262	case 0: /* four banks */
3263		rdev->config.si.tile_config |= 0 << 4;
3264		break;
3265	case 1: /* eight banks */
3266		rdev->config.si.tile_config |= 1 << 4;
3267		break;
3268	case 2: /* sixteen banks */
3269	default:
3270		rdev->config.si.tile_config |= 2 << 4;
3271		break;
3272	}
3273	rdev->config.si.tile_config |=
3274		((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT) << 8;
3275	rdev->config.si.tile_config |=
3276		((gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT) << 12;
3277
3278	WREG32(GB_ADDR_CONFIG, gb_addr_config);
3279	WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
3280	WREG32(DMIF_ADDR_CALC, gb_addr_config);
3281	WREG32(HDP_ADDR_CONFIG, gb_addr_config);
3282	WREG32(DMA_TILING_CONFIG + DMA0_REGISTER_OFFSET, gb_addr_config);
3283	WREG32(DMA_TILING_CONFIG + DMA1_REGISTER_OFFSET, gb_addr_config);
3284	if (rdev->has_uvd) {
3285		WREG32(UVD_UDEC_ADDR_CONFIG, gb_addr_config);
3286		WREG32(UVD_UDEC_DB_ADDR_CONFIG, gb_addr_config);
3287		WREG32(UVD_UDEC_DBW_ADDR_CONFIG, gb_addr_config);
3288	}
3289
3290	si_tiling_mode_table_init(rdev);
3291
3292	si_setup_rb(rdev, rdev->config.si.max_shader_engines,
3293		    rdev->config.si.max_sh_per_se,
3294		    rdev->config.si.max_backends_per_se);
3295
3296	si_setup_spi(rdev, rdev->config.si.max_shader_engines,
3297		     rdev->config.si.max_sh_per_se,
3298		     rdev->config.si.max_cu_per_sh);
3299
3300	rdev->config.si.active_cus = 0;
3301	for (i = 0; i < rdev->config.si.max_shader_engines; i++) {
3302		for (j = 0; j < rdev->config.si.max_sh_per_se; j++) {
3303			rdev->config.si.active_cus +=
3304				hweight32(si_get_cu_active_bitmap(rdev, i, j));
3305		}
3306	}
3307
3308	/* set HW defaults for 3D engine */
3309	WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) |
3310				     ROQ_IB2_START(0x2b)));
3311	WREG32(CP_MEQ_THRESHOLDS, MEQ1_START(0x30) | MEQ2_START(0x60));
3312
3313	sx_debug_1 = RREG32(SX_DEBUG_1);
3314	WREG32(SX_DEBUG_1, sx_debug_1);
3315
3316	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4));
3317
3318	WREG32(PA_SC_FIFO_SIZE, (SC_FRONTEND_PRIM_FIFO_SIZE(rdev->config.si.sc_prim_fifo_size_frontend) |
3319				 SC_BACKEND_PRIM_FIFO_SIZE(rdev->config.si.sc_prim_fifo_size_backend) |
3320				 SC_HIZ_TILE_FIFO_SIZE(rdev->config.si.sc_hiz_tile_fifo_size) |
3321				 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.si.sc_earlyz_tile_fifo_size)));
3322
3323	WREG32(VGT_NUM_INSTANCES, 1);
3324
3325	WREG32(CP_PERFMON_CNTL, 0);
3326
3327	WREG32(SQ_CONFIG, 0);
3328
3329	WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
3330					  FORCE_EOV_MAX_REZ_CNT(255)));
3331
3332	WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC) |
3333	       AUTO_INVLD_EN(ES_AND_GS_AUTO));
3334
3335	WREG32(VGT_GS_VERTEX_REUSE, 16);
3336	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
3337
3338	WREG32(CB_PERFCOUNTER0_SELECT0, 0);
3339	WREG32(CB_PERFCOUNTER0_SELECT1, 0);
3340	WREG32(CB_PERFCOUNTER1_SELECT0, 0);
3341	WREG32(CB_PERFCOUNTER1_SELECT1, 0);
3342	WREG32(CB_PERFCOUNTER2_SELECT0, 0);
3343	WREG32(CB_PERFCOUNTER2_SELECT1, 0);
3344	WREG32(CB_PERFCOUNTER3_SELECT0, 0);
3345	WREG32(CB_PERFCOUNTER3_SELECT1, 0);
3346
3347	tmp = RREG32(HDP_MISC_CNTL);
3348	tmp |= HDP_FLUSH_INVALIDATE_CACHE;
3349	WREG32(HDP_MISC_CNTL, tmp);
3350
3351	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
3352	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
3353
3354	WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
3355
3356	udelay(50);
3357}
3358
3359/*
3360 * GPU scratch registers helpers function.
3361 */
3362static void si_scratch_init(struct radeon_device *rdev)
3363{
3364	int i;
3365
3366	rdev->scratch.num_reg = 7;
3367	rdev->scratch.reg_base = SCRATCH_REG0;
3368	for (i = 0; i < rdev->scratch.num_reg; i++) {
3369		rdev->scratch.free[i] = true;
3370		rdev->scratch.reg[i] = rdev->scratch.reg_base + (i * 4);
3371	}
3372}
3373
3374void si_fence_ring_emit(struct radeon_device *rdev,
3375			struct radeon_fence *fence)
3376{
3377	struct radeon_ring *ring = &rdev->ring[fence->ring];
3378	u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
3379
3380	/* flush read cache over gart */
3381	radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
3382	radeon_ring_write(ring, (CP_COHER_CNTL2 - PACKET3_SET_CONFIG_REG_START) >> 2);
3383	radeon_ring_write(ring, 0);
3384	radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
3385	radeon_ring_write(ring, PACKET3_TCL1_ACTION_ENA |
3386			  PACKET3_TC_ACTION_ENA |
3387			  PACKET3_SH_KCACHE_ACTION_ENA |
3388			  PACKET3_SH_ICACHE_ACTION_ENA);
3389	radeon_ring_write(ring, 0xFFFFFFFF);
3390	radeon_ring_write(ring, 0);
3391	radeon_ring_write(ring, 10); /* poll interval */
3392	/* EVENT_WRITE_EOP - flush caches, send int */
3393	radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
3394	radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_TS_EVENT) | EVENT_INDEX(5));
3395	radeon_ring_write(ring, lower_32_bits(addr));
3396	radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
3397	radeon_ring_write(ring, fence->seq);
3398	radeon_ring_write(ring, 0);
3399}
3400
3401/*
3402 * IB stuff
3403 */
3404void si_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
3405{
3406	struct radeon_ring *ring = &rdev->ring[ib->ring];
3407	unsigned vm_id = ib->vm ? ib->vm->ids[ib->ring].id : 0;
3408	u32 header;
3409
3410	if (ib->is_const_ib) {
3411		/* set switch buffer packet before const IB */
3412		radeon_ring_write(ring, PACKET3(PACKET3_SWITCH_BUFFER, 0));
3413		radeon_ring_write(ring, 0);
3414
3415		header = PACKET3(PACKET3_INDIRECT_BUFFER_CONST, 2);
3416	} else {
3417		u32 next_rptr;
3418		if (ring->rptr_save_reg) {
3419			next_rptr = ring->wptr + 3 + 4 + 8;
3420			radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
3421			radeon_ring_write(ring, ((ring->rptr_save_reg -
3422						  PACKET3_SET_CONFIG_REG_START) >> 2));
3423			radeon_ring_write(ring, next_rptr);
3424		} else if (rdev->wb.enabled) {
3425			next_rptr = ring->wptr + 5 + 4 + 8;
3426			radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
3427			radeon_ring_write(ring, (1 << 8));
3428			radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc);
3429			radeon_ring_write(ring, upper_32_bits(ring->next_rptr_gpu_addr));
3430			radeon_ring_write(ring, next_rptr);
3431		}
3432
3433		header = PACKET3(PACKET3_INDIRECT_BUFFER, 2);
3434	}
3435
3436	radeon_ring_write(ring, header);
3437	radeon_ring_write(ring,
3438#ifdef __BIG_ENDIAN
3439			  (2 << 0) |
3440#endif
3441			  (ib->gpu_addr & 0xFFFFFFFC));
3442	radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFFFF);
3443	radeon_ring_write(ring, ib->length_dw | (vm_id << 24));
3444
3445	if (!ib->is_const_ib) {
3446		/* flush read cache over gart for this vmid */
3447		radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
3448		radeon_ring_write(ring, (CP_COHER_CNTL2 - PACKET3_SET_CONFIG_REG_START) >> 2);
3449		radeon_ring_write(ring, vm_id);
3450		radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
3451		radeon_ring_write(ring, PACKET3_TCL1_ACTION_ENA |
3452				  PACKET3_TC_ACTION_ENA |
3453				  PACKET3_SH_KCACHE_ACTION_ENA |
3454				  PACKET3_SH_ICACHE_ACTION_ENA);
3455		radeon_ring_write(ring, 0xFFFFFFFF);
3456		radeon_ring_write(ring, 0);
3457		radeon_ring_write(ring, 10); /* poll interval */
3458	}
3459}
3460
3461/*
3462 * CP.
3463 */
3464static void si_cp_enable(struct radeon_device *rdev, bool enable)
3465{
3466	if (enable)
3467		WREG32(CP_ME_CNTL, 0);
3468	else {
3469		if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
3470			radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
3471		WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT | CP_CE_HALT));
3472		WREG32(SCRATCH_UMSK, 0);
3473		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
3474		rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
3475		rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
3476	}
3477	udelay(50);
3478}
3479
3480static int si_cp_load_microcode(struct radeon_device *rdev)
3481{
3482	int i;
3483
3484	if (!rdev->me_fw || !rdev->pfp_fw || !rdev->ce_fw)
3485		return -EINVAL;
3486
3487	si_cp_enable(rdev, false);
3488
3489	if (rdev->new_fw) {
3490		const struct gfx_firmware_header_v1_0 *pfp_hdr =
3491			(const struct gfx_firmware_header_v1_0 *)rdev->pfp_fw->data;
3492		const struct gfx_firmware_header_v1_0 *ce_hdr =
3493			(const struct gfx_firmware_header_v1_0 *)rdev->ce_fw->data;
3494		const struct gfx_firmware_header_v1_0 *me_hdr =
3495			(const struct gfx_firmware_header_v1_0 *)rdev->me_fw->data;
3496		const __le32 *fw_data;
3497		u32 fw_size;
3498
3499		radeon_ucode_print_gfx_hdr(&pfp_hdr->header);
3500		radeon_ucode_print_gfx_hdr(&ce_hdr->header);
3501		radeon_ucode_print_gfx_hdr(&me_hdr->header);
3502
3503		/* PFP */
3504		fw_data = (const __le32 *)
3505			(rdev->pfp_fw->data + le32_to_cpu(pfp_hdr->header.ucode_array_offset_bytes));
3506		fw_size = le32_to_cpu(pfp_hdr->header.ucode_size_bytes) / 4;
3507		WREG32(CP_PFP_UCODE_ADDR, 0);
3508		for (i = 0; i < fw_size; i++)
3509			WREG32(CP_PFP_UCODE_DATA, le32_to_cpup(fw_data++));
3510		WREG32(CP_PFP_UCODE_ADDR, 0);
3511
3512		/* CE */
3513		fw_data = (const __le32 *)
3514			(rdev->ce_fw->data + le32_to_cpu(ce_hdr->header.ucode_array_offset_bytes));
3515		fw_size = le32_to_cpu(ce_hdr->header.ucode_size_bytes) / 4;
3516		WREG32(CP_CE_UCODE_ADDR, 0);
3517		for (i = 0; i < fw_size; i++)
3518			WREG32(CP_CE_UCODE_DATA, le32_to_cpup(fw_data++));
3519		WREG32(CP_CE_UCODE_ADDR, 0);
3520
3521		/* ME */
3522		fw_data = (const __be32 *)
3523			(rdev->me_fw->data + le32_to_cpu(me_hdr->header.ucode_array_offset_bytes));
3524		fw_size = le32_to_cpu(me_hdr->header.ucode_size_bytes) / 4;
3525		WREG32(CP_ME_RAM_WADDR, 0);
3526		for (i = 0; i < fw_size; i++)
3527			WREG32(CP_ME_RAM_DATA, le32_to_cpup(fw_data++));
3528		WREG32(CP_ME_RAM_WADDR, 0);
3529	} else {
3530		const __be32 *fw_data;
3531
3532		/* PFP */
3533		fw_data = (const __be32 *)rdev->pfp_fw->data;
3534		WREG32(CP_PFP_UCODE_ADDR, 0);
3535		for (i = 0; i < SI_PFP_UCODE_SIZE; i++)
3536			WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
3537		WREG32(CP_PFP_UCODE_ADDR, 0);
3538
3539		/* CE */
3540		fw_data = (const __be32 *)rdev->ce_fw->data;
3541		WREG32(CP_CE_UCODE_ADDR, 0);
3542		for (i = 0; i < SI_CE_UCODE_SIZE; i++)
3543			WREG32(CP_CE_UCODE_DATA, be32_to_cpup(fw_data++));
3544		WREG32(CP_CE_UCODE_ADDR, 0);
3545
3546		/* ME */
3547		fw_data = (const __be32 *)rdev->me_fw->data;
3548		WREG32(CP_ME_RAM_WADDR, 0);
3549		for (i = 0; i < SI_PM4_UCODE_SIZE; i++)
3550			WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
3551		WREG32(CP_ME_RAM_WADDR, 0);
3552	}
3553
3554	WREG32(CP_PFP_UCODE_ADDR, 0);
3555	WREG32(CP_CE_UCODE_ADDR, 0);
3556	WREG32(CP_ME_RAM_WADDR, 0);
3557	WREG32(CP_ME_RAM_RADDR, 0);
3558	return 0;
3559}
3560
3561static int si_cp_start(struct radeon_device *rdev)
3562{
3563	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3564	int r, i;
3565
3566	r = radeon_ring_lock(rdev, ring, 7 + 4);
3567	if (r) {
3568		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
3569		return r;
3570	}
3571	/* init the CP */
3572	radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
3573	radeon_ring_write(ring, 0x1);
3574	radeon_ring_write(ring, 0x0);
3575	radeon_ring_write(ring, rdev->config.si.max_hw_contexts - 1);
3576	radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
3577	radeon_ring_write(ring, 0);
3578	radeon_ring_write(ring, 0);
3579
3580	/* init the CE partitions */
3581	radeon_ring_write(ring, PACKET3(PACKET3_SET_BASE, 2));
3582	radeon_ring_write(ring, PACKET3_BASE_INDEX(CE_PARTITION_BASE));
3583	radeon_ring_write(ring, 0xc000);
3584	radeon_ring_write(ring, 0xe000);
3585	radeon_ring_unlock_commit(rdev, ring, false);
3586
3587	si_cp_enable(rdev, true);
3588
3589	r = radeon_ring_lock(rdev, ring, si_default_size + 10);
3590	if (r) {
3591		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
3592		return r;
3593	}
3594
3595	/* setup clear context state */
3596	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
3597	radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
3598
3599	for (i = 0; i < si_default_size; i++)
3600		radeon_ring_write(ring, si_default_state[i]);
3601
3602	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
3603	radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE);
3604
3605	/* set clear context state */
3606	radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0));
3607	radeon_ring_write(ring, 0);
3608
3609	radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 2));
3610	radeon_ring_write(ring, 0x00000316);
3611	radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
3612	radeon_ring_write(ring, 0x00000010); /* VGT_OUT_DEALLOC_CNTL */
3613
3614	radeon_ring_unlock_commit(rdev, ring, false);
3615
3616	for (i = RADEON_RING_TYPE_GFX_INDEX; i <= CAYMAN_RING_TYPE_CP2_INDEX; ++i) {
3617		ring = &rdev->ring[i];
3618		r = radeon_ring_lock(rdev, ring, 2);
3619
3620		/* clear the compute context state */
3621		radeon_ring_write(ring, PACKET3_COMPUTE(PACKET3_CLEAR_STATE, 0));
3622		radeon_ring_write(ring, 0);
3623
3624		radeon_ring_unlock_commit(rdev, ring, false);
3625	}
3626
3627	return 0;
3628}
3629
3630static void si_cp_fini(struct radeon_device *rdev)
3631{
3632	struct radeon_ring *ring;
3633	si_cp_enable(rdev, false);
3634
3635	ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3636	radeon_ring_fini(rdev, ring);
3637	radeon_scratch_free(rdev, ring->rptr_save_reg);
3638
3639	ring = &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX];
3640	radeon_ring_fini(rdev, ring);
3641	radeon_scratch_free(rdev, ring->rptr_save_reg);
3642
3643	ring = &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX];
3644	radeon_ring_fini(rdev, ring);
3645	radeon_scratch_free(rdev, ring->rptr_save_reg);
3646}
3647
3648static int si_cp_resume(struct radeon_device *rdev)
3649{
3650	struct radeon_ring *ring;
3651	u32 tmp;
3652	u32 rb_bufsz;
3653	int r;
3654
3655	si_enable_gui_idle_interrupt(rdev, false);
3656
3657	WREG32(CP_SEM_WAIT_TIMER, 0x0);
3658	WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0);
3659
3660	/* Set the write pointer delay */
3661	WREG32(CP_RB_WPTR_DELAY, 0);
3662
3663	WREG32(CP_DEBUG, 0);
3664	WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
3665
3666	/* ring 0 - compute and gfx */
3667	/* Set ring buffer size */
3668	ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3669	rb_bufsz = order_base_2(ring->ring_size / 8);
3670	tmp = (order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
3671#ifdef __BIG_ENDIAN
3672	tmp |= BUF_SWAP_32BIT;
3673#endif
3674	WREG32(CP_RB0_CNTL, tmp);
3675
3676	/* Initialize the ring buffer's read and write pointers */
3677	WREG32(CP_RB0_CNTL, tmp | RB_RPTR_WR_ENA);
3678	ring->wptr = 0;
3679	WREG32(CP_RB0_WPTR, ring->wptr);
3680
3681	/* set the wb address whether it's enabled or not */
3682	WREG32(CP_RB0_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC);
3683	WREG32(CP_RB0_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
3684
3685	if (rdev->wb.enabled)
3686		WREG32(SCRATCH_UMSK, 0xff);
3687	else {
3688		tmp |= RB_NO_UPDATE;
3689		WREG32(SCRATCH_UMSK, 0);
3690	}
3691
3692	mdelay(1);
3693	WREG32(CP_RB0_CNTL, tmp);
3694
3695	WREG32(CP_RB0_BASE, ring->gpu_addr >> 8);
3696
3697	/* ring1  - compute only */
3698	/* Set ring buffer size */
3699	ring = &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX];
3700	rb_bufsz = order_base_2(ring->ring_size / 8);
3701	tmp = (order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
3702#ifdef __BIG_ENDIAN
3703	tmp |= BUF_SWAP_32BIT;
3704#endif
3705	WREG32(CP_RB1_CNTL, tmp);
3706
3707	/* Initialize the ring buffer's read and write pointers */
3708	WREG32(CP_RB1_CNTL, tmp | RB_RPTR_WR_ENA);
3709	ring->wptr = 0;
3710	WREG32(CP_RB1_WPTR, ring->wptr);
3711
3712	/* set the wb address whether it's enabled or not */
3713	WREG32(CP_RB1_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP1_RPTR_OFFSET) & 0xFFFFFFFC);
3714	WREG32(CP_RB1_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP1_RPTR_OFFSET) & 0xFF);
3715
3716	mdelay(1);
3717	WREG32(CP_RB1_CNTL, tmp);
3718
3719	WREG32(CP_RB1_BASE, ring->gpu_addr >> 8);
3720
3721	/* ring2 - compute only */
3722	/* Set ring buffer size */
3723	ring = &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX];
3724	rb_bufsz = order_base_2(ring->ring_size / 8);
3725	tmp = (order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
3726#ifdef __BIG_ENDIAN
3727	tmp |= BUF_SWAP_32BIT;
3728#endif
3729	WREG32(CP_RB2_CNTL, tmp);
3730
3731	/* Initialize the ring buffer's read and write pointers */
3732	WREG32(CP_RB2_CNTL, tmp | RB_RPTR_WR_ENA);
3733	ring->wptr = 0;
3734	WREG32(CP_RB2_WPTR, ring->wptr);
3735
3736	/* set the wb address whether it's enabled or not */
3737	WREG32(CP_RB2_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP2_RPTR_OFFSET) & 0xFFFFFFFC);
3738	WREG32(CP_RB2_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP2_RPTR_OFFSET) & 0xFF);
3739
3740	mdelay(1);
3741	WREG32(CP_RB2_CNTL, tmp);
3742
3743	WREG32(CP_RB2_BASE, ring->gpu_addr >> 8);
3744
3745	/* start the rings */
3746	si_cp_start(rdev);
3747	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = true;
3748	rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = true;
3749	rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = true;
3750	r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
3751	if (r) {
3752		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
3753		rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
3754		rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
3755		return r;
3756	}
3757	r = radeon_ring_test(rdev, CAYMAN_RING_TYPE_CP1_INDEX, &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX]);
3758	if (r) {
3759		rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
3760	}
3761	r = radeon_ring_test(rdev, CAYMAN_RING_TYPE_CP2_INDEX, &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX]);
3762	if (r) {
3763		rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
3764	}
3765
3766	si_enable_gui_idle_interrupt(rdev, true);
3767
3768	if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
3769		radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
3770
3771	return 0;
3772}
3773
3774u32 si_gpu_check_soft_reset(struct radeon_device *rdev)
3775{
3776	u32 reset_mask = 0;
3777	u32 tmp;
3778
3779	/* GRBM_STATUS */
3780	tmp = RREG32(GRBM_STATUS);
3781	if (tmp & (PA_BUSY | SC_BUSY |
3782		   BCI_BUSY | SX_BUSY |
3783		   TA_BUSY | VGT_BUSY |
3784		   DB_BUSY | CB_BUSY |
3785		   GDS_BUSY | SPI_BUSY |
3786		   IA_BUSY | IA_BUSY_NO_DMA))
3787		reset_mask |= RADEON_RESET_GFX;
3788
3789	if (tmp & (CF_RQ_PENDING | PF_RQ_PENDING |
3790		   CP_BUSY | CP_COHERENCY_BUSY))
3791		reset_mask |= RADEON_RESET_CP;
3792
3793	if (tmp & GRBM_EE_BUSY)
3794		reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP;
3795
3796	/* GRBM_STATUS2 */
3797	tmp = RREG32(GRBM_STATUS2);
3798	if (tmp & (RLC_RQ_PENDING | RLC_BUSY))
3799		reset_mask |= RADEON_RESET_RLC;
3800
3801	/* DMA_STATUS_REG 0 */
3802	tmp = RREG32(DMA_STATUS_REG + DMA0_REGISTER_OFFSET);
3803	if (!(tmp & DMA_IDLE))
3804		reset_mask |= RADEON_RESET_DMA;
3805
3806	/* DMA_STATUS_REG 1 */
3807	tmp = RREG32(DMA_STATUS_REG + DMA1_REGISTER_OFFSET);
3808	if (!(tmp & DMA_IDLE))
3809		reset_mask |= RADEON_RESET_DMA1;
3810
3811	/* SRBM_STATUS2 */
3812	tmp = RREG32(SRBM_STATUS2);
3813	if (tmp & DMA_BUSY)
3814		reset_mask |= RADEON_RESET_DMA;
3815
3816	if (tmp & DMA1_BUSY)
3817		reset_mask |= RADEON_RESET_DMA1;
3818
3819	/* SRBM_STATUS */
3820	tmp = RREG32(SRBM_STATUS);
3821
3822	if (tmp & IH_BUSY)
3823		reset_mask |= RADEON_RESET_IH;
3824
3825	if (tmp & SEM_BUSY)
3826		reset_mask |= RADEON_RESET_SEM;
3827
3828	if (tmp & GRBM_RQ_PENDING)
3829		reset_mask |= RADEON_RESET_GRBM;
3830
3831	if (tmp & VMC_BUSY)
3832		reset_mask |= RADEON_RESET_VMC;
3833
3834	if (tmp & (MCB_BUSY | MCB_NON_DISPLAY_BUSY |
3835		   MCC_BUSY | MCD_BUSY))
3836		reset_mask |= RADEON_RESET_MC;
3837
3838	if (evergreen_is_display_hung(rdev))
3839		reset_mask |= RADEON_RESET_DISPLAY;
3840
3841	/* VM_L2_STATUS */
3842	tmp = RREG32(VM_L2_STATUS);
3843	if (tmp & L2_BUSY)
3844		reset_mask |= RADEON_RESET_VMC;
3845
3846	/* Skip MC reset as it's mostly likely not hung, just busy */
3847	if (reset_mask & RADEON_RESET_MC) {
3848		DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask);
3849		reset_mask &= ~RADEON_RESET_MC;
3850	}
3851
3852	return reset_mask;
3853}
3854
3855static void si_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
3856{
3857	struct evergreen_mc_save save;
3858	u32 grbm_soft_reset = 0, srbm_soft_reset = 0;
3859	u32 tmp;
3860
3861	if (reset_mask == 0)
3862		return;
3863
3864	dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask);
3865
3866	evergreen_print_gpu_status_regs(rdev);
3867	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
3868		 RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR));
3869	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
3870		 RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS));
3871
3872	/* disable PG/CG */
3873	si_fini_pg(rdev);
3874	si_fini_cg(rdev);
3875
3876	/* stop the rlc */
3877	si_rlc_stop(rdev);
3878
3879	/* Disable CP parsing/prefetching */
3880	WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT | CP_CE_HALT);
3881
3882	if (reset_mask & RADEON_RESET_DMA) {
3883		/* dma0 */
3884		tmp = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET);
3885		tmp &= ~DMA_RB_ENABLE;
3886		WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, tmp);
3887	}
3888	if (reset_mask & RADEON_RESET_DMA1) {
3889		/* dma1 */
3890		tmp = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET);
3891		tmp &= ~DMA_RB_ENABLE;
3892		WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, tmp);
3893	}
3894
3895	udelay(50);
3896
3897	evergreen_mc_stop(rdev, &save);
3898	if (evergreen_mc_wait_for_idle(rdev)) {
3899		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
3900	}
3901
3902	if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE | RADEON_RESET_CP)) {
3903		grbm_soft_reset = SOFT_RESET_CB |
3904			SOFT_RESET_DB |
3905			SOFT_RESET_GDS |
3906			SOFT_RESET_PA |
3907			SOFT_RESET_SC |
3908			SOFT_RESET_BCI |
3909			SOFT_RESET_SPI |
3910			SOFT_RESET_SX |
3911			SOFT_RESET_TC |
3912			SOFT_RESET_TA |
3913			SOFT_RESET_VGT |
3914			SOFT_RESET_IA;
3915	}
3916
3917	if (reset_mask & RADEON_RESET_CP) {
3918		grbm_soft_reset |= SOFT_RESET_CP | SOFT_RESET_VGT;
3919
3920		srbm_soft_reset |= SOFT_RESET_GRBM;
3921	}
3922
3923	if (reset_mask & RADEON_RESET_DMA)
3924		srbm_soft_reset |= SOFT_RESET_DMA;
3925
3926	if (reset_mask & RADEON_RESET_DMA1)
3927		srbm_soft_reset |= SOFT_RESET_DMA1;
3928
3929	if (reset_mask & RADEON_RESET_DISPLAY)
3930		srbm_soft_reset |= SOFT_RESET_DC;
3931
3932	if (reset_mask & RADEON_RESET_RLC)
3933		grbm_soft_reset |= SOFT_RESET_RLC;
3934
3935	if (reset_mask & RADEON_RESET_SEM)
3936		srbm_soft_reset |= SOFT_RESET_SEM;
3937
3938	if (reset_mask & RADEON_RESET_IH)
3939		srbm_soft_reset |= SOFT_RESET_IH;
3940
3941	if (reset_mask & RADEON_RESET_GRBM)
3942		srbm_soft_reset |= SOFT_RESET_GRBM;
3943
3944	if (reset_mask & RADEON_RESET_VMC)
3945		srbm_soft_reset |= SOFT_RESET_VMC;
3946
3947	if (reset_mask & RADEON_RESET_MC)
3948		srbm_soft_reset |= SOFT_RESET_MC;
3949
3950	if (grbm_soft_reset) {
3951		tmp = RREG32(GRBM_SOFT_RESET);
3952		tmp |= grbm_soft_reset;
3953		dev_info(rdev->dev, "GRBM_SOFT_RESET=0x%08X\n", tmp);
3954		WREG32(GRBM_SOFT_RESET, tmp);
3955		tmp = RREG32(GRBM_SOFT_RESET);
3956
3957		udelay(50);
3958
3959		tmp &= ~grbm_soft_reset;
3960		WREG32(GRBM_SOFT_RESET, tmp);
3961		tmp = RREG32(GRBM_SOFT_RESET);
3962	}
3963
3964	if (srbm_soft_reset) {
3965		tmp = RREG32(SRBM_SOFT_RESET);
3966		tmp |= srbm_soft_reset;
3967		dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
3968		WREG32(SRBM_SOFT_RESET, tmp);
3969		tmp = RREG32(SRBM_SOFT_RESET);
3970
3971		udelay(50);
3972
3973		tmp &= ~srbm_soft_reset;
3974		WREG32(SRBM_SOFT_RESET, tmp);
3975		tmp = RREG32(SRBM_SOFT_RESET);
3976	}
3977
3978	/* Wait a little for things to settle down */
3979	udelay(50);
3980
3981	evergreen_mc_resume(rdev, &save);
3982	udelay(50);
3983
3984	evergreen_print_gpu_status_regs(rdev);
3985}
3986
3987static void si_set_clk_bypass_mode(struct radeon_device *rdev)
3988{
3989	u32 tmp, i;
3990
3991	tmp = RREG32(CG_SPLL_FUNC_CNTL);
3992	tmp |= SPLL_BYPASS_EN;
3993	WREG32(CG_SPLL_FUNC_CNTL, tmp);
3994
3995	tmp = RREG32(CG_SPLL_FUNC_CNTL_2);
3996	tmp |= SPLL_CTLREQ_CHG;
3997	WREG32(CG_SPLL_FUNC_CNTL_2, tmp);
3998
3999	for (i = 0; i < rdev->usec_timeout; i++) {
4000		if (RREG32(SPLL_STATUS) & SPLL_CHG_STATUS)
4001			break;
4002		udelay(1);
4003	}
4004
4005	tmp = RREG32(CG_SPLL_FUNC_CNTL_2);
4006	tmp &= ~(SPLL_CTLREQ_CHG | SCLK_MUX_UPDATE);
4007	WREG32(CG_SPLL_FUNC_CNTL_2, tmp);
4008
4009	tmp = RREG32(MPLL_CNTL_MODE);
4010	tmp &= ~MPLL_MCLK_SEL;
4011	WREG32(MPLL_CNTL_MODE, tmp);
4012}
4013
4014static void si_spll_powerdown(struct radeon_device *rdev)
4015{
4016	u32 tmp;
4017
4018	tmp = RREG32(SPLL_CNTL_MODE);
4019	tmp |= SPLL_SW_DIR_CONTROL;
4020	WREG32(SPLL_CNTL_MODE, tmp);
4021
4022	tmp = RREG32(CG_SPLL_FUNC_CNTL);
4023	tmp |= SPLL_RESET;
4024	WREG32(CG_SPLL_FUNC_CNTL, tmp);
4025
4026	tmp = RREG32(CG_SPLL_FUNC_CNTL);
4027	tmp |= SPLL_SLEEP;
4028	WREG32(CG_SPLL_FUNC_CNTL, tmp);
4029
4030	tmp = RREG32(SPLL_CNTL_MODE);
4031	tmp &= ~SPLL_SW_DIR_CONTROL;
4032	WREG32(SPLL_CNTL_MODE, tmp);
4033}
4034
4035static void si_gpu_pci_config_reset(struct radeon_device *rdev)
4036{
4037	struct evergreen_mc_save save;
4038	u32 tmp, i;
4039
4040	dev_info(rdev->dev, "GPU pci config reset\n");
4041
4042	/* disable dpm? */
4043
4044	/* disable cg/pg */
4045	si_fini_pg(rdev);
4046	si_fini_cg(rdev);
4047
4048	/* Disable CP parsing/prefetching */
4049	WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT | CP_CE_HALT);
4050	/* dma0 */
4051	tmp = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET);
4052	tmp &= ~DMA_RB_ENABLE;
4053	WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, tmp);
4054	/* dma1 */
4055	tmp = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET);
4056	tmp &= ~DMA_RB_ENABLE;
4057	WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, tmp);
4058	/* XXX other engines? */
4059
4060	/* halt the rlc, disable cp internal ints */
4061	si_rlc_stop(rdev);
4062
4063	udelay(50);
4064
4065	/* disable mem access */
4066	evergreen_mc_stop(rdev, &save);
4067	if (evergreen_mc_wait_for_idle(rdev)) {
4068		dev_warn(rdev->dev, "Wait for MC idle timed out !\n");
4069	}
4070
4071	/* set mclk/sclk to bypass */
4072	si_set_clk_bypass_mode(rdev);
4073	/* powerdown spll */
4074	si_spll_powerdown(rdev);
4075	/* disable BM */
4076	pci_clear_master(rdev->pdev);
4077	/* reset */
4078	radeon_pci_config_reset(rdev);
4079	/* wait for asic to come out of reset */
4080	for (i = 0; i < rdev->usec_timeout; i++) {
4081		if (RREG32(CONFIG_MEMSIZE) != 0xffffffff)
4082			break;
4083		udelay(1);
4084	}
4085}
4086
4087int si_asic_reset(struct radeon_device *rdev, bool hard)
4088{
4089	u32 reset_mask;
4090
4091	if (hard) {
4092		si_gpu_pci_config_reset(rdev);
4093		return 0;
4094	}
4095
4096	reset_mask = si_gpu_check_soft_reset(rdev);
4097
4098	if (reset_mask)
4099		r600_set_bios_scratch_engine_hung(rdev, true);
4100
4101	/* try soft reset */
4102	si_gpu_soft_reset(rdev, reset_mask);
4103
4104	reset_mask = si_gpu_check_soft_reset(rdev);
4105
4106	/* try pci config reset */
4107	if (reset_mask && radeon_hard_reset)
4108		si_gpu_pci_config_reset(rdev);
4109
4110	reset_mask = si_gpu_check_soft_reset(rdev);
4111
4112	if (!reset_mask)
4113		r600_set_bios_scratch_engine_hung(rdev, false);
4114
4115	return 0;
4116}
4117
4118/**
4119 * si_gfx_is_lockup - Check if the GFX engine is locked up
4120 *
4121 * @rdev: radeon_device pointer
4122 * @ring: radeon_ring structure holding ring information
4123 *
4124 * Check if the GFX engine is locked up.
4125 * Returns true if the engine appears to be locked up, false if not.
4126 */
4127bool si_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
4128{
4129	u32 reset_mask = si_gpu_check_soft_reset(rdev);
4130
4131	if (!(reset_mask & (RADEON_RESET_GFX |
4132			    RADEON_RESET_COMPUTE |
4133			    RADEON_RESET_CP))) {
4134		radeon_ring_lockup_update(rdev, ring);
4135		return false;
4136	}
4137	return radeon_ring_test_lockup(rdev, ring);
4138}
4139
4140/* MC */
4141static void si_mc_program(struct radeon_device *rdev)
4142{
4143	struct evergreen_mc_save save;
4144	u32 tmp;
4145	int i, j;
4146
4147	/* Initialize HDP */
4148	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
4149		WREG32((0x2c14 + j), 0x00000000);
4150		WREG32((0x2c18 + j), 0x00000000);
4151		WREG32((0x2c1c + j), 0x00000000);
4152		WREG32((0x2c20 + j), 0x00000000);
4153		WREG32((0x2c24 + j), 0x00000000);
4154	}
4155	WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
4156
4157	evergreen_mc_stop(rdev, &save);
4158	if (radeon_mc_wait_for_idle(rdev)) {
4159		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
4160	}
4161	if (!ASIC_IS_NODCE(rdev))
4162		/* Lockout access through VGA aperture*/
4163		WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
4164	/* Update configuration */
4165	WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
4166	       rdev->mc.vram_start >> 12);
4167	WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
4168	       rdev->mc.vram_end >> 12);
4169	WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR,
4170	       rdev->vram_scratch.gpu_addr >> 12);
4171	tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
4172	tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
4173	WREG32(MC_VM_FB_LOCATION, tmp);
4174	/* XXX double check these! */
4175	WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
4176	WREG32(HDP_NONSURFACE_INFO, (2 << 7) | (1 << 30));
4177	WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
4178	WREG32(MC_VM_AGP_BASE, 0);
4179	WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
4180	WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
4181	if (radeon_mc_wait_for_idle(rdev)) {
4182		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
4183	}
4184	evergreen_mc_resume(rdev, &save);
4185	if (!ASIC_IS_NODCE(rdev)) {
4186		/* we need to own VRAM, so turn off the VGA renderer here
4187		 * to stop it overwriting our objects */
4188		rv515_vga_render_disable(rdev);
4189	}
4190}
4191
4192void si_vram_gtt_location(struct radeon_device *rdev,
4193			  struct radeon_mc *mc)
4194{
4195	if (mc->mc_vram_size > 0xFFC0000000ULL) {
4196		/* leave room for at least 1024M GTT */
4197		dev_warn(rdev->dev, "limiting VRAM\n");
4198		mc->real_vram_size = 0xFFC0000000ULL;
4199		mc->mc_vram_size = 0xFFC0000000ULL;
4200	}
4201	radeon_vram_location(rdev, &rdev->mc, 0);
4202	rdev->mc.gtt_base_align = 0;
4203	radeon_gtt_location(rdev, mc);
4204}
4205
4206static int si_mc_init(struct radeon_device *rdev)
4207{
4208	u32 tmp;
4209	int chansize, numchan;
4210
4211	/* Get VRAM informations */
4212	rdev->mc.vram_is_ddr = true;
4213	tmp = RREG32(MC_ARB_RAMCFG);
4214	if (tmp & CHANSIZE_OVERRIDE) {
4215		chansize = 16;
4216	} else if (tmp & CHANSIZE_MASK) {
4217		chansize = 64;
4218	} else {
4219		chansize = 32;
4220	}
4221	tmp = RREG32(MC_SHARED_CHMAP);
4222	switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
4223	case 0:
4224	default:
4225		numchan = 1;
4226		break;
4227	case 1:
4228		numchan = 2;
4229		break;
4230	case 2:
4231		numchan = 4;
4232		break;
4233	case 3:
4234		numchan = 8;
4235		break;
4236	case 4:
4237		numchan = 3;
4238		break;
4239	case 5:
4240		numchan = 6;
4241		break;
4242	case 6:
4243		numchan = 10;
4244		break;
4245	case 7:
4246		numchan = 12;
4247		break;
4248	case 8:
4249		numchan = 16;
4250		break;
4251	}
4252	rdev->mc.vram_width = numchan * chansize;
4253	/* Could aper size report 0 ? */
4254	rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
4255	rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
4256	/* size in MB on si */
4257	tmp = RREG32(CONFIG_MEMSIZE);
4258	/* some boards may have garbage in the upper 16 bits */
4259	if (tmp & 0xffff0000) {
4260		DRM_INFO("Probable bad vram size: 0x%08x\n", tmp);
4261		if (tmp & 0xffff)
4262			tmp &= 0xffff;
4263	}
4264	rdev->mc.mc_vram_size = tmp * 1024ULL * 1024ULL;
4265	rdev->mc.real_vram_size = rdev->mc.mc_vram_size;
4266	rdev->mc.visible_vram_size = rdev->mc.aper_size;
4267	si_vram_gtt_location(rdev, &rdev->mc);
4268	radeon_update_bandwidth_info(rdev);
4269
4270	return 0;
4271}
4272
4273/*
4274 * GART
4275 */
4276void si_pcie_gart_tlb_flush(struct radeon_device *rdev)
4277{
4278	/* flush hdp cache */
4279	WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
4280
4281	/* bits 0-15 are the VM contexts0-15 */
4282	WREG32(VM_INVALIDATE_REQUEST, 1);
4283}
4284
4285static int si_pcie_gart_enable(struct radeon_device *rdev)
4286{
4287	int r, i;
4288
4289	if (rdev->gart.robj == NULL) {
4290		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
4291		return -EINVAL;
4292	}
4293	r = radeon_gart_table_vram_pin(rdev);
4294	if (r)
4295		return r;
4296	/* Setup TLB control */
4297	WREG32(MC_VM_MX_L1_TLB_CNTL,
4298	       (0xA << 7) |
4299	       ENABLE_L1_TLB |
4300	       ENABLE_L1_FRAGMENT_PROCESSING |
4301	       SYSTEM_ACCESS_MODE_NOT_IN_SYS |
4302	       ENABLE_ADVANCED_DRIVER_MODEL |
4303	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
4304	/* Setup L2 cache */
4305	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE |
4306	       ENABLE_L2_FRAGMENT_PROCESSING |
4307	       ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
4308	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
4309	       EFFECTIVE_L2_QUEUE_SIZE(7) |
4310	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
4311	WREG32(VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS | INVALIDATE_L2_CACHE);
4312	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
4313	       BANK_SELECT(4) |
4314	       L2_CACHE_BIGK_FRAGMENT_SIZE(4));
4315	/* setup context0 */
4316	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
4317	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
4318	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
4319	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
4320			(u32)(rdev->dummy_page.addr >> 12));
4321	WREG32(VM_CONTEXT0_CNTL2, 0);
4322	WREG32(VM_CONTEXT0_CNTL, (ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
4323				  RANGE_PROTECTION_FAULT_ENABLE_DEFAULT));
4324
4325	WREG32(0x15D4, 0);
4326	WREG32(0x15D8, 0);
4327	WREG32(0x15DC, 0);
4328
4329	/* empty context1-15 */
4330	/* set vm size, must be a multiple of 4 */
4331	WREG32(VM_CONTEXT1_PAGE_TABLE_START_ADDR, 0);
4332	WREG32(VM_CONTEXT1_PAGE_TABLE_END_ADDR, rdev->vm_manager.max_pfn - 1);
4333	/* Assign the pt base to something valid for now; the pts used for
4334	 * the VMs are determined by the application and setup and assigned
4335	 * on the fly in the vm part of radeon_gart.c
4336	 */
4337	for (i = 1; i < 16; i++) {
4338		if (i < 8)
4339			WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2),
4340			       rdev->vm_manager.saved_table_addr[i]);
4341		else
4342			WREG32(VM_CONTEXT8_PAGE_TABLE_BASE_ADDR + ((i - 8) << 2),
4343			       rdev->vm_manager.saved_table_addr[i]);
4344	}
4345
4346	/* enable context1-15 */
4347	WREG32(VM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR,
4348	       (u32)(rdev->dummy_page.addr >> 12));
4349	WREG32(VM_CONTEXT1_CNTL2, 4);
4350	WREG32(VM_CONTEXT1_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(1) |
4351				PAGE_TABLE_BLOCK_SIZE(radeon_vm_block_size - 9) |
4352				RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
4353				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT |
4354				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
4355				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT |
4356				PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT |
4357				PDE0_PROTECTION_FAULT_ENABLE_DEFAULT |
4358				VALID_PROTECTION_FAULT_ENABLE_INTERRUPT |
4359				VALID_PROTECTION_FAULT_ENABLE_DEFAULT |
4360				READ_PROTECTION_FAULT_ENABLE_INTERRUPT |
4361				READ_PROTECTION_FAULT_ENABLE_DEFAULT |
4362				WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT |
4363				WRITE_PROTECTION_FAULT_ENABLE_DEFAULT);
4364
4365	si_pcie_gart_tlb_flush(rdev);
4366	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
4367		 (unsigned)(rdev->mc.gtt_size >> 20),
4368		 (unsigned long long)rdev->gart.table_addr);
4369	rdev->gart.ready = true;
4370	return 0;
4371}
4372
4373static void si_pcie_gart_disable(struct radeon_device *rdev)
4374{
4375	unsigned i;
4376
4377	for (i = 1; i < 16; ++i) {
4378		uint32_t reg;
4379		if (i < 8)
4380			reg = VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2);
4381		else
4382			reg = VM_CONTEXT8_PAGE_TABLE_BASE_ADDR + ((i - 8) << 2);
4383		rdev->vm_manager.saved_table_addr[i] = RREG32(reg);
4384	}
4385
4386	/* Disable all tables */
4387	WREG32(VM_CONTEXT0_CNTL, 0);
4388	WREG32(VM_CONTEXT1_CNTL, 0);
4389	/* Setup TLB control */
4390	WREG32(MC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE_NOT_IN_SYS |
4391	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
4392	/* Setup L2 cache */
4393	WREG32(VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
4394	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
4395	       EFFECTIVE_L2_QUEUE_SIZE(7) |
4396	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
4397	WREG32(VM_L2_CNTL2, 0);
4398	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
4399	       L2_CACHE_BIGK_FRAGMENT_SIZE(0));
4400	radeon_gart_table_vram_unpin(rdev);
4401}
4402
4403static void si_pcie_gart_fini(struct radeon_device *rdev)
4404{
4405	si_pcie_gart_disable(rdev);
4406	radeon_gart_table_vram_free(rdev);
4407	radeon_gart_fini(rdev);
4408}
4409
4410/* vm parser */
4411static bool si_vm_reg_valid(u32 reg)
4412{
4413	/* context regs are fine */
4414	if (reg >= 0x28000)
4415		return true;
4416
4417	/* shader regs are also fine */
4418	if (reg >= 0xB000 && reg < 0xC000)
4419		return true;
4420
4421	/* check config regs */
4422	switch (reg) {
4423	case GRBM_GFX_INDEX:
4424	case CP_STRMOUT_CNTL:
4425	case VGT_VTX_VECT_EJECT_REG:
4426	case VGT_CACHE_INVALIDATION:
4427	case VGT_ESGS_RING_SIZE:
4428	case VGT_GSVS_RING_SIZE:
4429	case VGT_GS_VERTEX_REUSE:
4430	case VGT_PRIMITIVE_TYPE:
4431	case VGT_INDEX_TYPE:
4432	case VGT_NUM_INDICES:
4433	case VGT_NUM_INSTANCES:
4434	case VGT_TF_RING_SIZE:
4435	case VGT_HS_OFFCHIP_PARAM:
4436	case VGT_TF_MEMORY_BASE:
4437	case PA_CL_ENHANCE:
4438	case PA_SU_LINE_STIPPLE_VALUE:
4439	case PA_SC_LINE_STIPPLE_STATE:
4440	case PA_SC_ENHANCE:
4441	case SQC_CACHES:
4442	case SPI_STATIC_THREAD_MGMT_1:
4443	case SPI_STATIC_THREAD_MGMT_2:
4444	case SPI_STATIC_THREAD_MGMT_3:
4445	case SPI_PS_MAX_WAVE_ID:
4446	case SPI_CONFIG_CNTL:
4447	case SPI_CONFIG_CNTL_1:
4448	case TA_CNTL_AUX:
4449	case TA_CS_BC_BASE_ADDR:
4450		return true;
4451	default:
4452		DRM_ERROR("Invalid register 0x%x in CS\n", reg);
4453		return false;
4454	}
4455}
4456
4457static int si_vm_packet3_ce_check(struct radeon_device *rdev,
4458				  u32 *ib, struct radeon_cs_packet *pkt)
4459{
4460	switch (pkt->opcode) {
4461	case PACKET3_NOP:
4462	case PACKET3_SET_BASE:
4463	case PACKET3_SET_CE_DE_COUNTERS:
4464	case PACKET3_LOAD_CONST_RAM:
4465	case PACKET3_WRITE_CONST_RAM:
4466	case PACKET3_WRITE_CONST_RAM_OFFSET:
4467	case PACKET3_DUMP_CONST_RAM:
4468	case PACKET3_INCREMENT_CE_COUNTER:
4469	case PACKET3_WAIT_ON_DE_COUNTER:
4470	case PACKET3_CE_WRITE:
4471		break;
4472	default:
4473		DRM_ERROR("Invalid CE packet3: 0x%x\n", pkt->opcode);
4474		return -EINVAL;
4475	}
4476	return 0;
4477}
4478
4479static int si_vm_packet3_cp_dma_check(u32 *ib, u32 idx)
4480{
4481	u32 start_reg, reg, i;
4482	u32 command = ib[idx + 4];
4483	u32 info = ib[idx + 1];
4484	u32 idx_value = ib[idx];
4485	if (command & PACKET3_CP_DMA_CMD_SAS) {
4486		/* src address space is register */
4487		if (((info & 0x60000000) >> 29) == 0) {
4488			start_reg = idx_value << 2;
4489			if (command & PACKET3_CP_DMA_CMD_SAIC) {
4490				reg = start_reg;
4491				if (!si_vm_reg_valid(reg)) {
4492					DRM_ERROR("CP DMA Bad SRC register\n");
4493					return -EINVAL;
4494				}
4495			} else {
4496				for (i = 0; i < (command & 0x1fffff); i++) {
4497					reg = start_reg + (4 * i);
4498					if (!si_vm_reg_valid(reg)) {
4499						DRM_ERROR("CP DMA Bad SRC register\n");
4500						return -EINVAL;
4501					}
4502				}
4503			}
4504		}
4505	}
4506	if (command & PACKET3_CP_DMA_CMD_DAS) {
4507		/* dst address space is register */
4508		if (((info & 0x00300000) >> 20) == 0) {
4509			start_reg = ib[idx + 2];
4510			if (command & PACKET3_CP_DMA_CMD_DAIC) {
4511				reg = start_reg;
4512				if (!si_vm_reg_valid(reg)) {
4513					DRM_ERROR("CP DMA Bad DST register\n");
4514					return -EINVAL;
4515				}
4516			} else {
4517				for (i = 0; i < (command & 0x1fffff); i++) {
4518					reg = start_reg + (4 * i);
4519				if (!si_vm_reg_valid(reg)) {
4520						DRM_ERROR("CP DMA Bad DST register\n");
4521						return -EINVAL;
4522					}
4523				}
4524			}
4525		}
4526	}
4527	return 0;
4528}
4529
4530static int si_vm_packet3_gfx_check(struct radeon_device *rdev,
4531				   u32 *ib, struct radeon_cs_packet *pkt)
4532{
4533	int r;
4534	u32 idx = pkt->idx + 1;
4535	u32 idx_value = ib[idx];
4536	u32 start_reg, end_reg, reg, i;
4537
4538	switch (pkt->opcode) {
4539	case PACKET3_NOP:
4540	case PACKET3_SET_BASE:
4541	case PACKET3_CLEAR_STATE:
4542	case PACKET3_INDEX_BUFFER_SIZE:
4543	case PACKET3_DISPATCH_DIRECT:
4544	case PACKET3_DISPATCH_INDIRECT:
4545	case PACKET3_ALLOC_GDS:
4546	case PACKET3_WRITE_GDS_RAM:
4547	case PACKET3_ATOMIC_GDS:
4548	case PACKET3_ATOMIC:
4549	case PACKET3_OCCLUSION_QUERY:
4550	case PACKET3_SET_PREDICATION:
4551	case PACKET3_COND_EXEC:
4552	case PACKET3_PRED_EXEC:
4553	case PACKET3_DRAW_INDIRECT:
4554	case PACKET3_DRAW_INDEX_INDIRECT:
4555	case PACKET3_INDEX_BASE:
4556	case PACKET3_DRAW_INDEX_2:
4557	case PACKET3_CONTEXT_CONTROL:
4558	case PACKET3_INDEX_TYPE:
4559	case PACKET3_DRAW_INDIRECT_MULTI:
4560	case PACKET3_DRAW_INDEX_AUTO:
4561	case PACKET3_DRAW_INDEX_IMMD:
4562	case PACKET3_NUM_INSTANCES:
4563	case PACKET3_DRAW_INDEX_MULTI_AUTO:
4564	case PACKET3_STRMOUT_BUFFER_UPDATE:
4565	case PACKET3_DRAW_INDEX_OFFSET_2:
4566	case PACKET3_DRAW_INDEX_MULTI_ELEMENT:
4567	case PACKET3_DRAW_INDEX_INDIRECT_MULTI:
4568	case PACKET3_MPEG_INDEX:
4569	case PACKET3_WAIT_REG_MEM:
4570	case PACKET3_MEM_WRITE:
4571	case PACKET3_PFP_SYNC_ME:
4572	case PACKET3_SURFACE_SYNC:
4573	case PACKET3_EVENT_WRITE:
4574	case PACKET3_EVENT_WRITE_EOP:
4575	case PACKET3_EVENT_WRITE_EOS:
4576	case PACKET3_SET_CONTEXT_REG:
4577	case PACKET3_SET_CONTEXT_REG_INDIRECT:
4578	case PACKET3_SET_SH_REG:
4579	case PACKET3_SET_SH_REG_OFFSET:
4580	case PACKET3_INCREMENT_DE_COUNTER:
4581	case PACKET3_WAIT_ON_CE_COUNTER:
4582	case PACKET3_WAIT_ON_AVAIL_BUFFER:
4583	case PACKET3_ME_WRITE:
4584		break;
4585	case PACKET3_COPY_DATA:
4586		if ((idx_value & 0xf00) == 0) {
4587			reg = ib[idx + 3] * 4;
4588			if (!si_vm_reg_valid(reg))
4589				return -EINVAL;
4590		}
4591		break;
4592	case PACKET3_WRITE_DATA:
4593		if ((idx_value & 0xf00) == 0) {
4594			start_reg = ib[idx + 1] * 4;
4595			if (idx_value & 0x10000) {
4596				if (!si_vm_reg_valid(start_reg))
4597					return -EINVAL;
4598			} else {
4599				for (i = 0; i < (pkt->count - 2); i++) {
4600					reg = start_reg + (4 * i);
4601					if (!si_vm_reg_valid(reg))
4602						return -EINVAL;
4603				}
4604			}
4605		}
4606		break;
4607	case PACKET3_COND_WRITE:
4608		if (idx_value & 0x100) {
4609			reg = ib[idx + 5] * 4;
4610			if (!si_vm_reg_valid(reg))
4611				return -EINVAL;
4612		}
4613		break;
4614	case PACKET3_COPY_DW:
4615		if (idx_value & 0x2) {
4616			reg = ib[idx + 3] * 4;
4617			if (!si_vm_reg_valid(reg))
4618				return -EINVAL;
4619		}
4620		break;
4621	case PACKET3_SET_CONFIG_REG:
4622		start_reg = (idx_value << 2) + PACKET3_SET_CONFIG_REG_START;
4623		end_reg = 4 * pkt->count + start_reg - 4;
4624		if ((start_reg < PACKET3_SET_CONFIG_REG_START) ||
4625		    (start_reg >= PACKET3_SET_CONFIG_REG_END) ||
4626		    (end_reg >= PACKET3_SET_CONFIG_REG_END)) {
4627			DRM_ERROR("bad PACKET3_SET_CONFIG_REG\n");
4628			return -EINVAL;
4629		}
4630		for (i = 0; i < pkt->count; i++) {
4631			reg = start_reg + (4 * i);
4632			if (!si_vm_reg_valid(reg))
4633				return -EINVAL;
4634		}
4635		break;
4636	case PACKET3_CP_DMA:
4637		r = si_vm_packet3_cp_dma_check(ib, idx);
4638		if (r)
4639			return r;
4640		break;
4641	default:
4642		DRM_ERROR("Invalid GFX packet3: 0x%x\n", pkt->opcode);
4643		return -EINVAL;
4644	}
4645	return 0;
4646}
4647
4648static int si_vm_packet3_compute_check(struct radeon_device *rdev,
4649				       u32 *ib, struct radeon_cs_packet *pkt)
4650{
4651	int r;
4652	u32 idx = pkt->idx + 1;
4653	u32 idx_value = ib[idx];
4654	u32 start_reg, reg, i;
4655
4656	switch (pkt->opcode) {
4657	case PACKET3_NOP:
4658	case PACKET3_SET_BASE:
4659	case PACKET3_CLEAR_STATE:
4660	case PACKET3_DISPATCH_DIRECT:
4661	case PACKET3_DISPATCH_INDIRECT:
4662	case PACKET3_ALLOC_GDS:
4663	case PACKET3_WRITE_GDS_RAM:
4664	case PACKET3_ATOMIC_GDS:
4665	case PACKET3_ATOMIC:
4666	case PACKET3_OCCLUSION_QUERY:
4667	case PACKET3_SET_PREDICATION:
4668	case PACKET3_COND_EXEC:
4669	case PACKET3_PRED_EXEC:
4670	case PACKET3_CONTEXT_CONTROL:
4671	case PACKET3_STRMOUT_BUFFER_UPDATE:
4672	case PACKET3_WAIT_REG_MEM:
4673	case PACKET3_MEM_WRITE:
4674	case PACKET3_PFP_SYNC_ME:
4675	case PACKET3_SURFACE_SYNC:
4676	case PACKET3_EVENT_WRITE:
4677	case PACKET3_EVENT_WRITE_EOP:
4678	case PACKET3_EVENT_WRITE_EOS:
4679	case PACKET3_SET_CONTEXT_REG:
4680	case PACKET3_SET_CONTEXT_REG_INDIRECT:
4681	case PACKET3_SET_SH_REG:
4682	case PACKET3_SET_SH_REG_OFFSET:
4683	case PACKET3_INCREMENT_DE_COUNTER:
4684	case PACKET3_WAIT_ON_CE_COUNTER:
4685	case PACKET3_WAIT_ON_AVAIL_BUFFER:
4686	case PACKET3_ME_WRITE:
4687		break;
4688	case PACKET3_COPY_DATA:
4689		if ((idx_value & 0xf00) == 0) {
4690			reg = ib[idx + 3] * 4;
4691			if (!si_vm_reg_valid(reg))
4692				return -EINVAL;
4693		}
4694		break;
4695	case PACKET3_WRITE_DATA:
4696		if ((idx_value & 0xf00) == 0) {
4697			start_reg = ib[idx + 1] * 4;
4698			if (idx_value & 0x10000) {
4699				if (!si_vm_reg_valid(start_reg))
4700					return -EINVAL;
4701			} else {
4702				for (i = 0; i < (pkt->count - 2); i++) {
4703					reg = start_reg + (4 * i);
4704					if (!si_vm_reg_valid(reg))
4705						return -EINVAL;
4706				}
4707			}
4708		}
4709		break;
4710	case PACKET3_COND_WRITE:
4711		if (idx_value & 0x100) {
4712			reg = ib[idx + 5] * 4;
4713			if (!si_vm_reg_valid(reg))
4714				return -EINVAL;
4715		}
4716		break;
4717	case PACKET3_COPY_DW:
4718		if (idx_value & 0x2) {
4719			reg = ib[idx + 3] * 4;
4720			if (!si_vm_reg_valid(reg))
4721				return -EINVAL;
4722		}
4723		break;
4724	case PACKET3_CP_DMA:
4725		r = si_vm_packet3_cp_dma_check(ib, idx);
4726		if (r)
4727			return r;
4728		break;
4729	default:
4730		DRM_ERROR("Invalid Compute packet3: 0x%x\n", pkt->opcode);
4731		return -EINVAL;
4732	}
4733	return 0;
4734}
4735
4736int si_ib_parse(struct radeon_device *rdev, struct radeon_ib *ib)
4737{
4738	int ret = 0;
4739	u32 idx = 0, i;
4740	struct radeon_cs_packet pkt;
4741
4742	do {
4743		pkt.idx = idx;
4744		pkt.type = RADEON_CP_PACKET_GET_TYPE(ib->ptr[idx]);
4745		pkt.count = RADEON_CP_PACKET_GET_COUNT(ib->ptr[idx]);
4746		pkt.one_reg_wr = 0;
4747		switch (pkt.type) {
4748		case RADEON_PACKET_TYPE0:
4749			dev_err(rdev->dev, "Packet0 not allowed!\n");
4750			ret = -EINVAL;
4751			break;
4752		case RADEON_PACKET_TYPE2:
4753			idx += 1;
4754			break;
4755		case RADEON_PACKET_TYPE3:
4756			pkt.opcode = RADEON_CP_PACKET3_GET_OPCODE(ib->ptr[idx]);
4757			if (ib->is_const_ib)
4758				ret = si_vm_packet3_ce_check(rdev, ib->ptr, &pkt);
4759			else {
4760				switch (ib->ring) {
4761				case RADEON_RING_TYPE_GFX_INDEX:
4762					ret = si_vm_packet3_gfx_check(rdev, ib->ptr, &pkt);
4763					break;
4764				case CAYMAN_RING_TYPE_CP1_INDEX:
4765				case CAYMAN_RING_TYPE_CP2_INDEX:
4766					ret = si_vm_packet3_compute_check(rdev, ib->ptr, &pkt);
4767					break;
4768				default:
4769					dev_err(rdev->dev, "Non-PM4 ring %d !\n", ib->ring);
4770					ret = -EINVAL;
4771					break;
4772				}
4773			}
4774			idx += pkt.count + 2;
4775			break;
4776		default:
4777			dev_err(rdev->dev, "Unknown packet type %d !\n", pkt.type);
4778			ret = -EINVAL;
4779			break;
4780		}
4781		if (ret) {
4782			for (i = 0; i < ib->length_dw; i++) {
4783				if (i == idx)
4784					printk("\t0x%08x <---\n", ib->ptr[i]);
4785				else
4786					printk("\t0x%08x\n", ib->ptr[i]);
4787			}
4788			break;
4789		}
4790	} while (idx < ib->length_dw);
4791
4792	return ret;
4793}
4794
4795/*
4796 * vm
4797 */
4798int si_vm_init(struct radeon_device *rdev)
4799{
4800	/* number of VMs */
4801	rdev->vm_manager.nvm = 16;
4802	/* base offset of vram pages */
4803	rdev->vm_manager.vram_base_offset = 0;
4804
4805	return 0;
4806}
4807
4808void si_vm_fini(struct radeon_device *rdev)
4809{
4810}
4811
4812/**
4813 * si_vm_decode_fault - print human readable fault info
4814 *
4815 * @rdev: radeon_device pointer
4816 * @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value
4817 * @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value
4818 *
4819 * Print human readable fault information (SI).
4820 */
4821static void si_vm_decode_fault(struct radeon_device *rdev,
4822			       u32 status, u32 addr)
4823{
4824	u32 mc_id = (status & MEMORY_CLIENT_ID_MASK) >> MEMORY_CLIENT_ID_SHIFT;
4825	u32 vmid = (status & FAULT_VMID_MASK) >> FAULT_VMID_SHIFT;
4826	u32 protections = (status & PROTECTIONS_MASK) >> PROTECTIONS_SHIFT;
4827	char *block;
4828
4829	if (rdev->family == CHIP_TAHITI) {
4830		switch (mc_id) {
4831		case 160:
4832		case 144:
4833		case 96:
4834		case 80:
4835		case 224:
4836		case 208:
4837		case 32:
4838		case 16:
4839			block = "CB";
4840			break;
4841		case 161:
4842		case 145:
4843		case 97:
4844		case 81:
4845		case 225:
4846		case 209:
4847		case 33:
4848		case 17:
4849			block = "CB_FMASK";
4850			break;
4851		case 162:
4852		case 146:
4853		case 98:
4854		case 82:
4855		case 226:
4856		case 210:
4857		case 34:
4858		case 18:
4859			block = "CB_CMASK";
4860			break;
4861		case 163:
4862		case 147:
4863		case 99:
4864		case 83:
4865		case 227:
4866		case 211:
4867		case 35:
4868		case 19:
4869			block = "CB_IMMED";
4870			break;
4871		case 164:
4872		case 148:
4873		case 100:
4874		case 84:
4875		case 228:
4876		case 212:
4877		case 36:
4878		case 20:
4879			block = "DB";
4880			break;
4881		case 165:
4882		case 149:
4883		case 101:
4884		case 85:
4885		case 229:
4886		case 213:
4887		case 37:
4888		case 21:
4889			block = "DB_HTILE";
4890			break;
4891		case 167:
4892		case 151:
4893		case 103:
4894		case 87:
4895		case 231:
4896		case 215:
4897		case 39:
4898		case 23:
4899			block = "DB_STEN";
4900			break;
4901		case 72:
4902		case 68:
4903		case 64:
4904		case 8:
4905		case 4:
4906		case 0:
4907		case 136:
4908		case 132:
4909		case 128:
4910		case 200:
4911		case 196:
4912		case 192:
4913			block = "TC";
4914			break;
4915		case 112:
4916		case 48:
4917			block = "CP";
4918			break;
4919		case 49:
4920		case 177:
4921		case 50:
4922		case 178:
4923			block = "SH";
4924			break;
4925		case 53:
4926		case 190:
4927			block = "VGT";
4928			break;
4929		case 117:
4930			block = "IH";
4931			break;
4932		case 51:
4933		case 115:
4934			block = "RLC";
4935			break;
4936		case 119:
4937		case 183:
4938			block = "DMA0";
4939			break;
4940		case 61:
4941			block = "DMA1";
4942			break;
4943		case 248:
4944		case 120:
4945			block = "HDP";
4946			break;
4947		default:
4948			block = "unknown";
4949			break;
4950		}
4951	} else {
4952		switch (mc_id) {
4953		case 32:
4954		case 16:
4955		case 96:
4956		case 80:
4957		case 160:
4958		case 144:
4959		case 224:
4960		case 208:
4961			block = "CB";
4962			break;
4963		case 33:
4964		case 17:
4965		case 97:
4966		case 81:
4967		case 161:
4968		case 145:
4969		case 225:
4970		case 209:
4971			block = "CB_FMASK";
4972			break;
4973		case 34:
4974		case 18:
4975		case 98:
4976		case 82:
4977		case 162:
4978		case 146:
4979		case 226:
4980		case 210:
4981			block = "CB_CMASK";
4982			break;
4983		case 35:
4984		case 19:
4985		case 99:
4986		case 83:
4987		case 163:
4988		case 147:
4989		case 227:
4990		case 211:
4991			block = "CB_IMMED";
4992			break;
4993		case 36:
4994		case 20:
4995		case 100:
4996		case 84:
4997		case 164:
4998		case 148:
4999		case 228:
5000		case 212:
5001			block = "DB";
5002			break;
5003		case 37:
5004		case 21:
5005		case 101:
5006		case 85:
5007		case 165:
5008		case 149:
5009		case 229:
5010		case 213:
5011			block = "DB_HTILE";
5012			break;
5013		case 39:
5014		case 23:
5015		case 103:
5016		case 87:
5017		case 167:
5018		case 151:
5019		case 231:
5020		case 215:
5021			block = "DB_STEN";
5022			break;
5023		case 72:
5024		case 68:
5025		case 8:
5026		case 4:
5027		case 136:
5028		case 132:
5029		case 200:
5030		case 196:
5031			block = "TC";
5032			break;
5033		case 112:
5034		case 48:
5035			block = "CP";
5036			break;
5037		case 49:
5038		case 177:
5039		case 50:
5040		case 178:
5041			block = "SH";
5042			break;
5043		case 53:
5044			block = "VGT";
5045			break;
5046		case 117:
5047			block = "IH";
5048			break;
5049		case 51:
5050		case 115:
5051			block = "RLC";
5052			break;
5053		case 119:
5054		case 183:
5055			block = "DMA0";
5056			break;
5057		case 61:
5058			block = "DMA1";
5059			break;
5060		case 248:
5061		case 120:
5062			block = "HDP";
5063			break;
5064		default:
5065			block = "unknown";
5066			break;
5067		}
5068	}
5069
5070	printk("VM fault (0x%02x, vmid %d) at page %u, %s from %s (%d)\n",
5071	       protections, vmid, addr,
5072	       (status & MEMORY_CLIENT_RW_MASK) ? "write" : "read",
5073	       block, mc_id);
5074}
5075
5076void si_vm_flush(struct radeon_device *rdev, struct radeon_ring *ring,
5077		 unsigned vm_id, uint64_t pd_addr)
5078{
5079	/* write new base address */
5080	radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
5081	radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(1) |
5082				 WRITE_DATA_DST_SEL(0)));
5083
5084	if (vm_id < 8) {
5085		radeon_ring_write(ring,
5086				  (VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm_id << 2)) >> 2);
5087	} else {
5088		radeon_ring_write(ring,
5089				  (VM_CONTEXT8_PAGE_TABLE_BASE_ADDR + ((vm_id - 8) << 2)) >> 2);
5090	}
5091	radeon_ring_write(ring, 0);
5092	radeon_ring_write(ring, pd_addr >> 12);
5093
5094	/* flush hdp cache */
5095	radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
5096	radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(1) |
5097				 WRITE_DATA_DST_SEL(0)));
5098	radeon_ring_write(ring, HDP_MEM_COHERENCY_FLUSH_CNTL >> 2);
5099	radeon_ring_write(ring, 0);
5100	radeon_ring_write(ring, 0x1);
5101
5102	/* bits 0-15 are the VM contexts0-15 */
5103	radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
5104	radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(1) |
5105				 WRITE_DATA_DST_SEL(0)));
5106	radeon_ring_write(ring, VM_INVALIDATE_REQUEST >> 2);
5107	radeon_ring_write(ring, 0);
5108	radeon_ring_write(ring, 1 << vm_id);
5109
5110	/* wait for the invalidate to complete */
5111	radeon_ring_write(ring, PACKET3(PACKET3_WAIT_REG_MEM, 5));
5112	radeon_ring_write(ring, (WAIT_REG_MEM_FUNCTION(0) |  /* always */
5113				 WAIT_REG_MEM_ENGINE(0))); /* me */
5114	radeon_ring_write(ring, VM_INVALIDATE_REQUEST >> 2);
5115	radeon_ring_write(ring, 0);
5116	radeon_ring_write(ring, 0); /* ref */
5117	radeon_ring_write(ring, 0); /* mask */
5118	radeon_ring_write(ring, 0x20); /* poll interval */
5119
5120	/* sync PFP to ME, otherwise we might get invalid PFP reads */
5121	radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0));
5122	radeon_ring_write(ring, 0x0);
5123}
5124
5125/*
5126 *  Power and clock gating
5127 */
5128static void si_wait_for_rlc_serdes(struct radeon_device *rdev)
5129{
5130	int i;
5131
5132	for (i = 0; i < rdev->usec_timeout; i++) {
5133		if (RREG32(RLC_SERDES_MASTER_BUSY_0) == 0)
5134			break;
5135		udelay(1);
5136	}
5137
5138	for (i = 0; i < rdev->usec_timeout; i++) {
5139		if (RREG32(RLC_SERDES_MASTER_BUSY_1) == 0)
5140			break;
5141		udelay(1);
5142	}
5143}
5144
5145static void si_enable_gui_idle_interrupt(struct radeon_device *rdev,
5146					 bool enable)
5147{
5148	u32 tmp = RREG32(CP_INT_CNTL_RING0);
5149	u32 mask;
5150	int i;
5151
5152	if (enable)
5153		tmp |= (CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
5154	else
5155		tmp &= ~(CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
5156	WREG32(CP_INT_CNTL_RING0, tmp);
5157
5158	if (!enable) {
5159		/* read a gfx register */
5160		tmp = RREG32(DB_DEPTH_INFO);
5161
5162		mask = RLC_BUSY_STATUS | GFX_POWER_STATUS | GFX_CLOCK_STATUS | GFX_LS_STATUS;
5163		for (i = 0; i < rdev->usec_timeout; i++) {
5164			if ((RREG32(RLC_STAT) & mask) == (GFX_CLOCK_STATUS | GFX_POWER_STATUS))
5165				break;
5166			udelay(1);
5167		}
5168	}
5169}
5170
5171static void si_set_uvd_dcm(struct radeon_device *rdev,
5172			   bool sw_mode)
5173{
5174	u32 tmp, tmp2;
5175
5176	tmp = RREG32(UVD_CGC_CTRL);
5177	tmp &= ~(CLK_OD_MASK | CG_DT_MASK);
5178	tmp |= DCM | CG_DT(1) | CLK_OD(4);
5179
5180	if (sw_mode) {
5181		tmp &= ~0x7ffff800;
5182		tmp2 = DYN_OR_EN | DYN_RR_EN | G_DIV_ID(7);
5183	} else {
5184		tmp |= 0x7ffff800;
5185		tmp2 = 0;
5186	}
5187
5188	WREG32(UVD_CGC_CTRL, tmp);
5189	WREG32_UVD_CTX(UVD_CGC_CTRL2, tmp2);
5190}
5191
5192void si_init_uvd_internal_cg(struct radeon_device *rdev)
5193{
5194	bool hw_mode = true;
5195
5196	if (hw_mode) {
5197		si_set_uvd_dcm(rdev, false);
5198	} else {
5199		u32 tmp = RREG32(UVD_CGC_CTRL);
5200		tmp &= ~DCM;
5201		WREG32(UVD_CGC_CTRL, tmp);
5202	}
5203}
5204
5205static u32 si_halt_rlc(struct radeon_device *rdev)
5206{
5207	u32 data, orig;
5208
5209	orig = data = RREG32(RLC_CNTL);
5210
5211	if (data & RLC_ENABLE) {
5212		data &= ~RLC_ENABLE;
5213		WREG32(RLC_CNTL, data);
5214
5215		si_wait_for_rlc_serdes(rdev);
5216	}
5217
5218	return orig;
5219}
5220
5221static void si_update_rlc(struct radeon_device *rdev, u32 rlc)
5222{
5223	u32 tmp;
5224
5225	tmp = RREG32(RLC_CNTL);
5226	if (tmp != rlc)
5227		WREG32(RLC_CNTL, rlc);
5228}
5229
5230static void si_enable_dma_pg(struct radeon_device *rdev, bool enable)
5231{
5232	u32 data, orig;
5233
5234	orig = data = RREG32(DMA_PG);
5235	if (enable && (rdev->pg_flags & RADEON_PG_SUPPORT_SDMA))
5236		data |= PG_CNTL_ENABLE;
5237	else
5238		data &= ~PG_CNTL_ENABLE;
5239	if (orig != data)
5240		WREG32(DMA_PG, data);
5241}
5242
5243static void si_init_dma_pg(struct radeon_device *rdev)
5244{
5245	u32 tmp;
5246
5247	WREG32(DMA_PGFSM_WRITE,  0x00002000);
5248	WREG32(DMA_PGFSM_CONFIG, 0x100010ff);
5249
5250	for (tmp = 0; tmp < 5; tmp++)
5251		WREG32(DMA_PGFSM_WRITE, 0);
5252}
5253
5254static void si_enable_gfx_cgpg(struct radeon_device *rdev,
5255			       bool enable)
5256{
5257	u32 tmp;
5258
5259	if (enable && (rdev->pg_flags & RADEON_PG_SUPPORT_GFX_PG)) {
5260		tmp = RLC_PUD(0x10) | RLC_PDD(0x10) | RLC_TTPD(0x10) | RLC_MSD(0x10);
5261		WREG32(RLC_TTOP_D, tmp);
5262
5263		tmp = RREG32(RLC_PG_CNTL);
5264		tmp |= GFX_PG_ENABLE;
5265		WREG32(RLC_PG_CNTL, tmp);
5266
5267		tmp = RREG32(RLC_AUTO_PG_CTRL);
5268		tmp |= AUTO_PG_EN;
5269		WREG32(RLC_AUTO_PG_CTRL, tmp);
5270	} else {
5271		tmp = RREG32(RLC_AUTO_PG_CTRL);
5272		tmp &= ~AUTO_PG_EN;
5273		WREG32(RLC_AUTO_PG_CTRL, tmp);
5274
5275		tmp = RREG32(DB_RENDER_CONTROL);
5276	}
5277}
5278
5279static void si_init_gfx_cgpg(struct radeon_device *rdev)
5280{
5281	u32 tmp;
5282
5283	WREG32(RLC_SAVE_AND_RESTORE_BASE, rdev->rlc.save_restore_gpu_addr >> 8);
5284
5285	tmp = RREG32(RLC_PG_CNTL);
5286	tmp |= GFX_PG_SRC;
5287	WREG32(RLC_PG_CNTL, tmp);
5288
5289	WREG32(RLC_CLEAR_STATE_RESTORE_BASE, rdev->rlc.clear_state_gpu_addr >> 8);
5290
5291	tmp = RREG32(RLC_AUTO_PG_CTRL);
5292
5293	tmp &= ~GRBM_REG_SGIT_MASK;
5294	tmp |= GRBM_REG_SGIT(0x700);
5295	tmp &= ~PG_AFTER_GRBM_REG_ST_MASK;
5296	WREG32(RLC_AUTO_PG_CTRL, tmp);
5297}
5298
5299static u32 si_get_cu_active_bitmap(struct radeon_device *rdev, u32 se, u32 sh)
5300{
5301	u32 mask = 0, tmp, tmp1;
5302	int i;
5303
5304	si_select_se_sh(rdev, se, sh);
5305	tmp = RREG32(CC_GC_SHADER_ARRAY_CONFIG);
5306	tmp1 = RREG32(GC_USER_SHADER_ARRAY_CONFIG);
5307	si_select_se_sh(rdev, 0xffffffff, 0xffffffff);
5308
5309	tmp &= 0xffff0000;
5310
5311	tmp |= tmp1;
5312	tmp >>= 16;
5313
5314	for (i = 0; i < rdev->config.si.max_cu_per_sh; i ++) {
5315		mask <<= 1;
5316		mask |= 1;
5317	}
5318
5319	return (~tmp) & mask;
5320}
5321
5322static void si_init_ao_cu_mask(struct radeon_device *rdev)
5323{
5324	u32 i, j, k, active_cu_number = 0;
5325	u32 mask, counter, cu_bitmap;
5326	u32 tmp = 0;
5327
5328	for (i = 0; i < rdev->config.si.max_shader_engines; i++) {
5329		for (j = 0; j < rdev->config.si.max_sh_per_se; j++) {
5330			mask = 1;
5331			cu_bitmap = 0;
5332			counter  = 0;
5333			for (k = 0; k < rdev->config.si.max_cu_per_sh; k++) {
5334				if (si_get_cu_active_bitmap(rdev, i, j) & mask) {
5335					if (counter < 2)
5336						cu_bitmap |= mask;
5337					counter++;
5338				}
5339				mask <<= 1;
5340			}
5341
5342			active_cu_number += counter;
5343			tmp |= (cu_bitmap << (i * 16 + j * 8));
5344		}
5345	}
5346
5347	WREG32(RLC_PG_AO_CU_MASK, tmp);
5348
5349	tmp = RREG32(RLC_MAX_PG_CU);
5350	tmp &= ~MAX_PU_CU_MASK;
5351	tmp |= MAX_PU_CU(active_cu_number);
5352	WREG32(RLC_MAX_PG_CU, tmp);
5353}
5354
5355static void si_enable_cgcg(struct radeon_device *rdev,
5356			   bool enable)
5357{
5358	u32 data, orig, tmp;
5359
5360	orig = data = RREG32(RLC_CGCG_CGLS_CTRL);
5361
5362	if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_GFX_CGCG)) {
5363		si_enable_gui_idle_interrupt(rdev, true);
5364
5365		WREG32(RLC_GCPM_GENERAL_3, 0x00000080);
5366
5367		tmp = si_halt_rlc(rdev);
5368
5369		WREG32(RLC_SERDES_WR_MASTER_MASK_0, 0xffffffff);
5370		WREG32(RLC_SERDES_WR_MASTER_MASK_1, 0xffffffff);
5371		WREG32(RLC_SERDES_WR_CTRL, 0x00b000ff);
5372
5373		si_wait_for_rlc_serdes(rdev);
5374
5375		si_update_rlc(rdev, tmp);
5376
5377		WREG32(RLC_SERDES_WR_CTRL, 0x007000ff);
5378
5379		data |= CGCG_EN | CGLS_EN;
5380	} else {
5381		si_enable_gui_idle_interrupt(rdev, false);
5382
5383		RREG32(CB_CGTT_SCLK_CTRL);
5384		RREG32(CB_CGTT_SCLK_CTRL);
5385		RREG32(CB_CGTT_SCLK_CTRL);
5386		RREG32(CB_CGTT_SCLK_CTRL);
5387
5388		data &= ~(CGCG_EN | CGLS_EN);
5389	}
5390
5391	if (orig != data)
5392		WREG32(RLC_CGCG_CGLS_CTRL, data);
5393}
5394
5395static void si_enable_mgcg(struct radeon_device *rdev,
5396			   bool enable)
5397{
5398	u32 data, orig, tmp = 0;
5399
5400	if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_GFX_MGCG)) {
5401		orig = data = RREG32(CGTS_SM_CTRL_REG);
5402		data = 0x96940200;
5403		if (orig != data)
5404			WREG32(CGTS_SM_CTRL_REG, data);
5405
5406		if (rdev->cg_flags & RADEON_CG_SUPPORT_GFX_CP_LS) {
5407			orig = data = RREG32(CP_MEM_SLP_CNTL);
5408			data |= CP_MEM_LS_EN;
5409			if (orig != data)
5410				WREG32(CP_MEM_SLP_CNTL, data);
5411		}
5412
5413		orig = data = RREG32(RLC_CGTT_MGCG_OVERRIDE);
5414		data &= 0xffffffc0;
5415		if (orig != data)
5416			WREG32(RLC_CGTT_MGCG_OVERRIDE, data);
5417
5418		tmp = si_halt_rlc(rdev);
5419
5420		WREG32(RLC_SERDES_WR_MASTER_MASK_0, 0xffffffff);
5421		WREG32(RLC_SERDES_WR_MASTER_MASK_1, 0xffffffff);
5422		WREG32(RLC_SERDES_WR_CTRL, 0x00d000ff);
5423
5424		si_update_rlc(rdev, tmp);
5425	} else {
5426		orig = data = RREG32(RLC_CGTT_MGCG_OVERRIDE);
5427		data |= 0x00000003;
5428		if (orig != data)
5429			WREG32(RLC_CGTT_MGCG_OVERRIDE, data);
5430
5431		data = RREG32(CP_MEM_SLP_CNTL);
5432		if (data & CP_MEM_LS_EN) {
5433			data &= ~CP_MEM_LS_EN;
5434			WREG32(CP_MEM_SLP_CNTL, data);
5435		}
5436		orig = data = RREG32(CGTS_SM_CTRL_REG);
5437		data |= LS_OVERRIDE | OVERRIDE;
5438		if (orig != data)
5439			WREG32(CGTS_SM_CTRL_REG, data);
5440
5441		tmp = si_halt_rlc(rdev);
5442
5443		WREG32(RLC_SERDES_WR_MASTER_MASK_0, 0xffffffff);
5444		WREG32(RLC_SERDES_WR_MASTER_MASK_1, 0xffffffff);
5445		WREG32(RLC_SERDES_WR_CTRL, 0x00e000ff);
5446
5447		si_update_rlc(rdev, tmp);
5448	}
5449}
5450
5451static void si_enable_uvd_mgcg(struct radeon_device *rdev,
5452			       bool enable)
5453{
5454	u32 orig, data, tmp;
5455
5456	if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_UVD_MGCG)) {
5457		tmp = RREG32_UVD_CTX(UVD_CGC_MEM_CTRL);
5458		tmp |= 0x3fff;
5459		WREG32_UVD_CTX(UVD_CGC_MEM_CTRL, tmp);
5460
5461		orig = data = RREG32(UVD_CGC_CTRL);
5462		data |= DCM;
5463		if (orig != data)
5464			WREG32(UVD_CGC_CTRL, data);
5465
5466		WREG32_SMC(SMC_CG_IND_START + CG_CGTT_LOCAL_0, 0);
5467		WREG32_SMC(SMC_CG_IND_START + CG_CGTT_LOCAL_1, 0);
5468	} else {
5469		tmp = RREG32_UVD_CTX(UVD_CGC_MEM_CTRL);
5470		tmp &= ~0x3fff;
5471		WREG32_UVD_CTX(UVD_CGC_MEM_CTRL, tmp);
5472
5473		orig = data = RREG32(UVD_CGC_CTRL);
5474		data &= ~DCM;
5475		if (orig != data)
5476			WREG32(UVD_CGC_CTRL, data);
5477
5478		WREG32_SMC(SMC_CG_IND_START + CG_CGTT_LOCAL_0, 0xffffffff);
5479		WREG32_SMC(SMC_CG_IND_START + CG_CGTT_LOCAL_1, 0xffffffff);
5480	}
5481}
5482
5483static const u32 mc_cg_registers[] =
5484{
5485	MC_HUB_MISC_HUB_CG,
5486	MC_HUB_MISC_SIP_CG,
5487	MC_HUB_MISC_VM_CG,
5488	MC_XPB_CLK_GAT,
5489	ATC_MISC_CG,
5490	MC_CITF_MISC_WR_CG,
5491	MC_CITF_MISC_RD_CG,
5492	MC_CITF_MISC_VM_CG,
5493	VM_L2_CG,
5494};
5495
5496static void si_enable_mc_ls(struct radeon_device *rdev,
5497			    bool enable)
5498{
5499	int i;
5500	u32 orig, data;
5501
5502	for (i = 0; i < ARRAY_SIZE(mc_cg_registers); i++) {
5503		orig = data = RREG32(mc_cg_registers[i]);
5504		if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_MC_LS))
5505			data |= MC_LS_ENABLE;
5506		else
5507			data &= ~MC_LS_ENABLE;
5508		if (data != orig)
5509			WREG32(mc_cg_registers[i], data);
5510	}
5511}
5512
5513static void si_enable_mc_mgcg(struct radeon_device *rdev,
5514			       bool enable)
5515{
5516	int i;
5517	u32 orig, data;
5518
5519	for (i = 0; i < ARRAY_SIZE(mc_cg_registers); i++) {
5520		orig = data = RREG32(mc_cg_registers[i]);
5521		if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_MC_MGCG))
5522			data |= MC_CG_ENABLE;
5523		else
5524			data &= ~MC_CG_ENABLE;
5525		if (data != orig)
5526			WREG32(mc_cg_registers[i], data);
5527	}
5528}
5529
5530static void si_enable_dma_mgcg(struct radeon_device *rdev,
5531			       bool enable)
5532{
5533	u32 orig, data, offset;
5534	int i;
5535
5536	if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_SDMA_MGCG)) {
5537		for (i = 0; i < 2; i++) {
5538			if (i == 0)
5539				offset = DMA0_REGISTER_OFFSET;
5540			else
5541				offset = DMA1_REGISTER_OFFSET;
5542			orig = data = RREG32(DMA_POWER_CNTL + offset);
5543			data &= ~MEM_POWER_OVERRIDE;
5544			if (data != orig)
5545				WREG32(DMA_POWER_CNTL + offset, data);
5546			WREG32(DMA_CLK_CTRL + offset, 0x00000100);
5547		}
5548	} else {
5549		for (i = 0; i < 2; i++) {
5550			if (i == 0)
5551				offset = DMA0_REGISTER_OFFSET;
5552			else
5553				offset = DMA1_REGISTER_OFFSET;
5554			orig = data = RREG32(DMA_POWER_CNTL + offset);
5555			data |= MEM_POWER_OVERRIDE;
5556			if (data != orig)
5557				WREG32(DMA_POWER_CNTL + offset, data);
5558
5559			orig = data = RREG32(DMA_CLK_CTRL + offset);
5560			data = 0xff000000;
5561			if (data != orig)
5562				WREG32(DMA_CLK_CTRL + offset, data);
5563		}
5564	}
5565}
5566
5567static void si_enable_bif_mgls(struct radeon_device *rdev,
5568			       bool enable)
5569{
5570	u32 orig, data;
5571
5572	orig = data = RREG32_PCIE(PCIE_CNTL2);
5573
5574	if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_BIF_LS))
5575		data |= SLV_MEM_LS_EN | MST_MEM_LS_EN |
5576			REPLAY_MEM_LS_EN | SLV_MEM_AGGRESSIVE_LS_EN;
5577	else
5578		data &= ~(SLV_MEM_LS_EN | MST_MEM_LS_EN |
5579			  REPLAY_MEM_LS_EN | SLV_MEM_AGGRESSIVE_LS_EN);
5580
5581	if (orig != data)
5582		WREG32_PCIE(PCIE_CNTL2, data);
5583}
5584
5585static void si_enable_hdp_mgcg(struct radeon_device *rdev,
5586			       bool enable)
5587{
5588	u32 orig, data;
5589
5590	orig = data = RREG32(HDP_HOST_PATH_CNTL);
5591
5592	if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_HDP_MGCG))
5593		data &= ~CLOCK_GATING_DIS;
5594	else
5595		data |= CLOCK_GATING_DIS;
5596
5597	if (orig != data)
5598		WREG32(HDP_HOST_PATH_CNTL, data);
5599}
5600
5601static void si_enable_hdp_ls(struct radeon_device *rdev,
5602			     bool enable)
5603{
5604	u32 orig, data;
5605
5606	orig = data = RREG32(HDP_MEM_POWER_LS);
5607
5608	if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_HDP_LS))
5609		data |= HDP_LS_ENABLE;
5610	else
5611		data &= ~HDP_LS_ENABLE;
5612
5613	if (orig != data)
5614		WREG32(HDP_MEM_POWER_LS, data);
5615}
5616
5617static void si_update_cg(struct radeon_device *rdev,
5618			 u32 block, bool enable)
5619{
5620	if (block & RADEON_CG_BLOCK_GFX) {
5621		si_enable_gui_idle_interrupt(rdev, false);
5622		/* order matters! */
5623		if (enable) {
5624			si_enable_mgcg(rdev, true);
5625			si_enable_cgcg(rdev, true);
5626		} else {
5627			si_enable_cgcg(rdev, false);
5628			si_enable_mgcg(rdev, false);
5629		}
5630		si_enable_gui_idle_interrupt(rdev, true);
5631	}
5632
5633	if (block & RADEON_CG_BLOCK_MC) {
5634		si_enable_mc_mgcg(rdev, enable);
5635		si_enable_mc_ls(rdev, enable);
5636	}
5637
5638	if (block & RADEON_CG_BLOCK_SDMA) {
5639		si_enable_dma_mgcg(rdev, enable);
5640	}
5641
5642	if (block & RADEON_CG_BLOCK_BIF) {
5643		si_enable_bif_mgls(rdev, enable);
5644	}
5645
5646	if (block & RADEON_CG_BLOCK_UVD) {
5647		if (rdev->has_uvd) {
5648			si_enable_uvd_mgcg(rdev, enable);
5649		}
5650	}
5651
5652	if (block & RADEON_CG_BLOCK_HDP) {
5653		si_enable_hdp_mgcg(rdev, enable);
5654		si_enable_hdp_ls(rdev, enable);
5655	}
5656}
5657
5658static void si_init_cg(struct radeon_device *rdev)
5659{
5660	si_update_cg(rdev, (RADEON_CG_BLOCK_GFX |
5661			    RADEON_CG_BLOCK_MC |
5662			    RADEON_CG_BLOCK_SDMA |
5663			    RADEON_CG_BLOCK_BIF |
5664			    RADEON_CG_BLOCK_HDP), true);
5665	if (rdev->has_uvd) {
5666		si_update_cg(rdev, RADEON_CG_BLOCK_UVD, true);
5667		si_init_uvd_internal_cg(rdev);
5668	}
5669}
5670
5671static void si_fini_cg(struct radeon_device *rdev)
5672{
5673	if (rdev->has_uvd) {
5674		si_update_cg(rdev, RADEON_CG_BLOCK_UVD, false);
5675	}
5676	si_update_cg(rdev, (RADEON_CG_BLOCK_GFX |
5677			    RADEON_CG_BLOCK_MC |
5678			    RADEON_CG_BLOCK_SDMA |
5679			    RADEON_CG_BLOCK_BIF |
5680			    RADEON_CG_BLOCK_HDP), false);
5681}
5682
5683u32 si_get_csb_size(struct radeon_device *rdev)
5684{
5685	u32 count = 0;
5686	const struct cs_section_def *sect = NULL;
5687	const struct cs_extent_def *ext = NULL;
5688
5689	if (rdev->rlc.cs_data == NULL)
5690		return 0;
5691
5692	/* begin clear state */
5693	count += 2;
5694	/* context control state */
5695	count += 3;
5696
5697	for (sect = rdev->rlc.cs_data; sect->section != NULL; ++sect) {
5698		for (ext = sect->section; ext->extent != NULL; ++ext) {
5699			if (sect->id == SECT_CONTEXT)
5700				count += 2 + ext->reg_count;
5701			else
5702				return 0;
5703		}
5704	}
5705	/* pa_sc_raster_config */
5706	count += 3;
5707	/* end clear state */
5708	count += 2;
5709	/* clear state */
5710	count += 2;
5711
5712	return count;
5713}
5714
5715void si_get_csb_buffer(struct radeon_device *rdev, volatile u32 *buffer)
5716{
5717	u32 count = 0, i;
5718	const struct cs_section_def *sect = NULL;
5719	const struct cs_extent_def *ext = NULL;
5720
5721	if (rdev->rlc.cs_data == NULL)
5722		return;
5723	if (buffer == NULL)
5724		return;
5725
5726	buffer[count++] = cpu_to_le32(PACKET3(PACKET3_PREAMBLE_CNTL, 0));
5727	buffer[count++] = cpu_to_le32(PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
5728
5729	buffer[count++] = cpu_to_le32(PACKET3(PACKET3_CONTEXT_CONTROL, 1));
5730	buffer[count++] = cpu_to_le32(0x80000000);
5731	buffer[count++] = cpu_to_le32(0x80000000);
5732
5733	for (sect = rdev->rlc.cs_data; sect->section != NULL; ++sect) {
5734		for (ext = sect->section; ext->extent != NULL; ++ext) {
5735			if (sect->id == SECT_CONTEXT) {
5736				buffer[count++] =
5737					cpu_to_le32(PACKET3(PACKET3_SET_CONTEXT_REG, ext->reg_count));
5738				buffer[count++] = cpu_to_le32(ext->reg_index - 0xa000);
5739				for (i = 0; i < ext->reg_count; i++)
5740					buffer[count++] = cpu_to_le32(ext->extent[i]);
5741			} else {
5742				return;
5743			}
5744		}
5745	}
5746
5747	buffer[count++] = cpu_to_le32(PACKET3(PACKET3_SET_CONTEXT_REG, 1));
5748	buffer[count++] = cpu_to_le32(PA_SC_RASTER_CONFIG - PACKET3_SET_CONTEXT_REG_START);
5749	switch (rdev->family) {
5750	case CHIP_TAHITI:
5751	case CHIP_PITCAIRN:
5752		buffer[count++] = cpu_to_le32(0x2a00126a);
5753		break;
5754	case CHIP_VERDE:
5755		buffer[count++] = cpu_to_le32(0x0000124a);
5756		break;
5757	case CHIP_OLAND:
5758		buffer[count++] = cpu_to_le32(0x00000082);
5759		break;
5760	case CHIP_HAINAN:
5761		buffer[count++] = cpu_to_le32(0x00000000);
5762		break;
5763	default:
5764		buffer[count++] = cpu_to_le32(0x00000000);
5765		break;
5766	}
5767
5768	buffer[count++] = cpu_to_le32(PACKET3(PACKET3_PREAMBLE_CNTL, 0));
5769	buffer[count++] = cpu_to_le32(PACKET3_PREAMBLE_END_CLEAR_STATE);
5770
5771	buffer[count++] = cpu_to_le32(PACKET3(PACKET3_CLEAR_STATE, 0));
5772	buffer[count++] = cpu_to_le32(0);
5773}
5774
5775static void si_init_pg(struct radeon_device *rdev)
5776{
5777	if (rdev->pg_flags) {
5778		if (rdev->pg_flags & RADEON_PG_SUPPORT_SDMA) {
5779			si_init_dma_pg(rdev);
5780		}
5781		si_init_ao_cu_mask(rdev);
5782		if (rdev->pg_flags & RADEON_PG_SUPPORT_GFX_PG) {
5783			si_init_gfx_cgpg(rdev);
5784		} else {
5785			WREG32(RLC_SAVE_AND_RESTORE_BASE, rdev->rlc.save_restore_gpu_addr >> 8);
5786			WREG32(RLC_CLEAR_STATE_RESTORE_BASE, rdev->rlc.clear_state_gpu_addr >> 8);
5787		}
5788		si_enable_dma_pg(rdev, true);
5789		si_enable_gfx_cgpg(rdev, true);
5790	} else {
5791		WREG32(RLC_SAVE_AND_RESTORE_BASE, rdev->rlc.save_restore_gpu_addr >> 8);
5792		WREG32(RLC_CLEAR_STATE_RESTORE_BASE, rdev->rlc.clear_state_gpu_addr >> 8);
5793	}
5794}
5795
5796static void si_fini_pg(struct radeon_device *rdev)
5797{
5798	if (rdev->pg_flags) {
5799		si_enable_dma_pg(rdev, false);
5800		si_enable_gfx_cgpg(rdev, false);
5801	}
5802}
5803
5804/*
5805 * RLC
5806 */
5807void si_rlc_reset(struct radeon_device *rdev)
5808{
5809	u32 tmp = RREG32(GRBM_SOFT_RESET);
5810
5811	tmp |= SOFT_RESET_RLC;
5812	WREG32(GRBM_SOFT_RESET, tmp);
5813	udelay(50);
5814	tmp &= ~SOFT_RESET_RLC;
5815	WREG32(GRBM_SOFT_RESET, tmp);
5816	udelay(50);
5817}
5818
5819static void si_rlc_stop(struct radeon_device *rdev)
5820{
5821	WREG32(RLC_CNTL, 0);
5822
5823	si_enable_gui_idle_interrupt(rdev, false);
5824
5825	si_wait_for_rlc_serdes(rdev);
5826}
5827
5828static void si_rlc_start(struct radeon_device *rdev)
5829{
5830	WREG32(RLC_CNTL, RLC_ENABLE);
5831
5832	si_enable_gui_idle_interrupt(rdev, true);
5833
5834	udelay(50);
5835}
5836
5837static bool si_lbpw_supported(struct radeon_device *rdev)
5838{
5839	u32 tmp;
5840
5841	/* Enable LBPW only for DDR3 */
5842	tmp = RREG32(MC_SEQ_MISC0);
5843	if ((tmp & 0xF0000000) == 0xB0000000)
5844		return true;
5845	return false;
5846}
5847
5848static void si_enable_lbpw(struct radeon_device *rdev, bool enable)
5849{
5850	u32 tmp;
5851
5852	tmp = RREG32(RLC_LB_CNTL);
5853	if (enable)
5854		tmp |= LOAD_BALANCE_ENABLE;
5855	else
5856		tmp &= ~LOAD_BALANCE_ENABLE;
5857	WREG32(RLC_LB_CNTL, tmp);
5858
5859	if (!enable) {
5860		si_select_se_sh(rdev, 0xffffffff, 0xffffffff);
5861		WREG32(SPI_LB_CU_MASK, 0x00ff);
5862	}
5863}
5864
5865static int si_rlc_resume(struct radeon_device *rdev)
5866{
5867	u32 i;
5868
5869	if (!rdev->rlc_fw)
5870		return -EINVAL;
5871
5872	si_rlc_stop(rdev);
5873
5874	si_rlc_reset(rdev);
5875
5876	si_init_pg(rdev);
5877
5878	si_init_cg(rdev);
5879
5880	WREG32(RLC_RL_BASE, 0);
5881	WREG32(RLC_RL_SIZE, 0);
5882	WREG32(RLC_LB_CNTL, 0);
5883	WREG32(RLC_LB_CNTR_MAX, 0xffffffff);
5884	WREG32(RLC_LB_CNTR_INIT, 0);
5885	WREG32(RLC_LB_INIT_CU_MASK, 0xffffffff);
5886
5887	WREG32(RLC_MC_CNTL, 0);
5888	WREG32(RLC_UCODE_CNTL, 0);
5889
5890	if (rdev->new_fw) {
5891		const struct rlc_firmware_header_v1_0 *hdr =
5892			(const struct rlc_firmware_header_v1_0 *)rdev->rlc_fw->data;
5893		u32 fw_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4;
5894		const __le32 *fw_data = (const __le32 *)
5895			(rdev->rlc_fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes));
5896
5897		radeon_ucode_print_rlc_hdr(&hdr->header);
5898
5899		for (i = 0; i < fw_size; i++) {
5900			WREG32(RLC_UCODE_ADDR, i);
5901			WREG32(RLC_UCODE_DATA, le32_to_cpup(fw_data++));
5902		}
5903	} else {
5904		const __be32 *fw_data =
5905			(const __be32 *)rdev->rlc_fw->data;
5906		for (i = 0; i < SI_RLC_UCODE_SIZE; i++) {
5907			WREG32(RLC_UCODE_ADDR, i);
5908			WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
5909		}
5910	}
5911	WREG32(RLC_UCODE_ADDR, 0);
5912
5913	si_enable_lbpw(rdev, si_lbpw_supported(rdev));
5914
5915	si_rlc_start(rdev);
5916
5917	return 0;
5918}
5919
5920static void si_enable_interrupts(struct radeon_device *rdev)
5921{
5922	u32 ih_cntl = RREG32(IH_CNTL);
5923	u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
5924
5925	ih_cntl |= ENABLE_INTR;
5926	ih_rb_cntl |= IH_RB_ENABLE;
5927	WREG32(IH_CNTL, ih_cntl);
5928	WREG32(IH_RB_CNTL, ih_rb_cntl);
5929	rdev->ih.enabled = true;
5930}
5931
5932static void si_disable_interrupts(struct radeon_device *rdev)
5933{
5934	u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
5935	u32 ih_cntl = RREG32(IH_CNTL);
5936
5937	ih_rb_cntl &= ~IH_RB_ENABLE;
5938	ih_cntl &= ~ENABLE_INTR;
5939	WREG32(IH_RB_CNTL, ih_rb_cntl);
5940	WREG32(IH_CNTL, ih_cntl);
5941	/* set rptr, wptr to 0 */
5942	WREG32(IH_RB_RPTR, 0);
5943	WREG32(IH_RB_WPTR, 0);
5944	rdev->ih.enabled = false;
5945	rdev->ih.rptr = 0;
5946}
5947
5948static void si_disable_interrupt_state(struct radeon_device *rdev)
5949{
5950	int i;
5951	u32 tmp;
5952
5953	tmp = RREG32(CP_INT_CNTL_RING0) &
5954		(CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
5955	WREG32(CP_INT_CNTL_RING0, tmp);
5956	WREG32(CP_INT_CNTL_RING1, 0);
5957	WREG32(CP_INT_CNTL_RING2, 0);
5958	tmp = RREG32(DMA_CNTL + DMA0_REGISTER_OFFSET) & ~TRAP_ENABLE;
5959	WREG32(DMA_CNTL + DMA0_REGISTER_OFFSET, tmp);
5960	tmp = RREG32(DMA_CNTL + DMA1_REGISTER_OFFSET) & ~TRAP_ENABLE;
5961	WREG32(DMA_CNTL + DMA1_REGISTER_OFFSET, tmp);
5962	WREG32(GRBM_INT_CNTL, 0);
5963	WREG32(SRBM_INT_CNTL, 0);
5964	for (i = 0; i < rdev->num_crtc; i++)
5965		WREG32(INT_MASK + crtc_offsets[i], 0);
5966	for (i = 0; i < rdev->num_crtc; i++)
5967		WREG32(GRPH_INT_CONTROL + crtc_offsets[i], 0);
5968
5969	if (!ASIC_IS_NODCE(rdev)) {
5970		WREG32(DAC_AUTODETECT_INT_CONTROL, 0);
5971
5972		for (i = 0; i < 6; i++)
5973			WREG32_AND(DC_HPDx_INT_CONTROL(i),
5974				   DC_HPDx_INT_POLARITY);
5975	}
5976}
5977
5978static int si_irq_init(struct radeon_device *rdev)
5979{
5980	int ret = 0;
5981	int rb_bufsz;
5982	u32 interrupt_cntl, ih_cntl, ih_rb_cntl;
5983
5984	/* allocate ring */
5985	ret = r600_ih_ring_alloc(rdev);
5986	if (ret)
5987		return ret;
5988
5989	/* disable irqs */
5990	si_disable_interrupts(rdev);
5991
5992	/* init rlc */
5993	ret = si_rlc_resume(rdev);
5994	if (ret) {
5995		r600_ih_ring_fini(rdev);
5996		return ret;
5997	}
5998
5999	/* setup interrupt control */
6000	/* set dummy read address to dummy page address */
6001	WREG32(INTERRUPT_CNTL2, rdev->dummy_page.addr >> 8);
6002	interrupt_cntl = RREG32(INTERRUPT_CNTL);
6003	/* IH_DUMMY_RD_OVERRIDE=0 - dummy read disabled with msi, enabled without msi
6004	 * IH_DUMMY_RD_OVERRIDE=1 - dummy read controlled by IH_DUMMY_RD_EN
6005	 */
6006	interrupt_cntl &= ~IH_DUMMY_RD_OVERRIDE;
6007	/* IH_REQ_NONSNOOP_EN=1 if ring is in non-cacheable memory, e.g., vram */
6008	interrupt_cntl &= ~IH_REQ_NONSNOOP_EN;
6009	WREG32(INTERRUPT_CNTL, interrupt_cntl);
6010
6011	WREG32(IH_RB_BASE, rdev->ih.gpu_addr >> 8);
6012	rb_bufsz = order_base_2(rdev->ih.ring_size / 4);
6013
6014	ih_rb_cntl = (IH_WPTR_OVERFLOW_ENABLE |
6015		      IH_WPTR_OVERFLOW_CLEAR |
6016		      (rb_bufsz << 1));
6017
6018	if (rdev->wb.enabled)
6019		ih_rb_cntl |= IH_WPTR_WRITEBACK_ENABLE;
6020
6021	/* set the writeback address whether it's enabled or not */
6022	WREG32(IH_RB_WPTR_ADDR_LO, (rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFFFFFFFC);
6023	WREG32(IH_RB_WPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFF);
6024
6025	WREG32(IH_RB_CNTL, ih_rb_cntl);
6026
6027	/* set rptr, wptr to 0 */
6028	WREG32(IH_RB_RPTR, 0);
6029	WREG32(IH_RB_WPTR, 0);
6030
6031	/* Default settings for IH_CNTL (disabled at first) */
6032	ih_cntl = MC_WRREQ_CREDIT(0x10) | MC_WR_CLEAN_CNT(0x10) | MC_VMID(0);
6033	/* RPTR_REARM only works if msi's are enabled */
6034	if (rdev->msi_enabled)
6035		ih_cntl |= RPTR_REARM;
6036	WREG32(IH_CNTL, ih_cntl);
6037
6038	/* force the active interrupt state to all disabled */
6039	si_disable_interrupt_state(rdev);
6040
6041	pci_set_master(rdev->pdev);
6042
6043	/* enable irqs */
6044	si_enable_interrupts(rdev);
6045
6046	return ret;
6047}
6048
6049/* The order we write back each register here is important */
6050int si_irq_set(struct radeon_device *rdev)
6051{
6052	int i;
6053	u32 cp_int_cntl;
6054	u32 cp_int_cntl1 = 0, cp_int_cntl2 = 0;
6055	u32 grbm_int_cntl = 0;
6056	u32 dma_cntl, dma_cntl1;
6057	u32 thermal_int = 0;
6058
6059	if (!rdev->irq.installed) {
6060		WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
6061		return -EINVAL;
6062	}
6063	/* don't enable anything if the ih is disabled */
6064	if (!rdev->ih.enabled) {
6065		si_disable_interrupts(rdev);
6066		/* force the active interrupt state to all disabled */
6067		si_disable_interrupt_state(rdev);
6068		return 0;
6069	}
6070
6071	cp_int_cntl = RREG32(CP_INT_CNTL_RING0) &
6072		(CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
6073
6074	dma_cntl = RREG32(DMA_CNTL + DMA0_REGISTER_OFFSET) & ~TRAP_ENABLE;
6075	dma_cntl1 = RREG32(DMA_CNTL + DMA1_REGISTER_OFFSET) & ~TRAP_ENABLE;
6076
6077	thermal_int = RREG32(CG_THERMAL_INT) &
6078		~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW);
6079
6080	/* enable CP interrupts on all rings */
6081	if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
6082		DRM_DEBUG("si_irq_set: sw int gfx\n");
6083		cp_int_cntl |= TIME_STAMP_INT_ENABLE;
6084	}
6085	if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_CP1_INDEX])) {
6086		DRM_DEBUG("si_irq_set: sw int cp1\n");
6087		cp_int_cntl1 |= TIME_STAMP_INT_ENABLE;
6088	}
6089	if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_CP2_INDEX])) {
6090		DRM_DEBUG("si_irq_set: sw int cp2\n");
6091		cp_int_cntl2 |= TIME_STAMP_INT_ENABLE;
6092	}
6093	if (atomic_read(&rdev->irq.ring_int[R600_RING_TYPE_DMA_INDEX])) {
6094		DRM_DEBUG("si_irq_set: sw int dma\n");
6095		dma_cntl |= TRAP_ENABLE;
6096	}
6097
6098	if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_DMA1_INDEX])) {
6099		DRM_DEBUG("si_irq_set: sw int dma1\n");
6100		dma_cntl1 |= TRAP_ENABLE;
6101	}
6102
6103	WREG32(CP_INT_CNTL_RING0, cp_int_cntl);
6104	WREG32(CP_INT_CNTL_RING1, cp_int_cntl1);
6105	WREG32(CP_INT_CNTL_RING2, cp_int_cntl2);
6106
6107	WREG32(DMA_CNTL + DMA0_REGISTER_OFFSET, dma_cntl);
6108	WREG32(DMA_CNTL + DMA1_REGISTER_OFFSET, dma_cntl1);
6109
6110	WREG32(GRBM_INT_CNTL, grbm_int_cntl);
6111
6112	if (rdev->irq.dpm_thermal) {
6113		DRM_DEBUG("dpm thermal\n");
6114		thermal_int |= THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW;
6115	}
6116
6117	for (i = 0; i < rdev->num_crtc; i++) {
6118		radeon_irq_kms_set_irq_n_enabled(
6119		    rdev, INT_MASK + crtc_offsets[i], VBLANK_INT_MASK,
6120		    rdev->irq.crtc_vblank_int[i] ||
6121		    atomic_read(&rdev->irq.pflip[i]), "vblank", i);
6122	}
6123
6124	for (i = 0; i < rdev->num_crtc; i++)
6125		WREG32(GRPH_INT_CONTROL + crtc_offsets[i], GRPH_PFLIP_INT_MASK);
6126
6127	if (!ASIC_IS_NODCE(rdev)) {
6128		for (i = 0; i < 6; i++) {
6129			radeon_irq_kms_set_irq_n_enabled(
6130			    rdev, DC_HPDx_INT_CONTROL(i),
6131			    DC_HPDx_INT_EN | DC_HPDx_RX_INT_EN,
6132			    rdev->irq.hpd[i], "HPD", i);
6133		}
6134	}
6135
6136	WREG32(CG_THERMAL_INT, thermal_int);
6137
6138	/* posting read */
6139	RREG32(SRBM_STATUS);
6140
6141	return 0;
6142}
6143
6144/* The order we write back each register here is important */
6145static inline void si_irq_ack(struct radeon_device *rdev)
6146{
6147	int i, j;
6148	u32 *disp_int = rdev->irq.stat_regs.evergreen.disp_int;
6149	u32 *grph_int = rdev->irq.stat_regs.evergreen.grph_int;
6150
6151	if (ASIC_IS_NODCE(rdev))
6152		return;
6153
6154	for (i = 0; i < 6; i++) {
6155		disp_int[i] = RREG32(si_disp_int_status[i]);
6156		if (i < rdev->num_crtc)
6157			grph_int[i] = RREG32(GRPH_INT_STATUS + crtc_offsets[i]);
6158	}
6159
6160	/* We write back each interrupt register in pairs of two */
6161	for (i = 0; i < rdev->num_crtc; i += 2) {
6162		for (j = i; j < (i + 2); j++) {
6163			if (grph_int[j] & GRPH_PFLIP_INT_OCCURRED)
6164				WREG32(GRPH_INT_STATUS + crtc_offsets[j],
6165				       GRPH_PFLIP_INT_CLEAR);
6166		}
6167
6168		for (j = i; j < (i + 2); j++) {
6169			if (disp_int[j] & LB_D1_VBLANK_INTERRUPT)
6170				WREG32(VBLANK_STATUS + crtc_offsets[j],
6171				       VBLANK_ACK);
6172			if (disp_int[j] & LB_D1_VLINE_INTERRUPT)
6173				WREG32(VLINE_STATUS + crtc_offsets[j],
6174				       VLINE_ACK);
6175		}
6176	}
6177
6178	for (i = 0; i < 6; i++) {
6179		if (disp_int[i] & DC_HPD1_INTERRUPT)
6180			WREG32_OR(DC_HPDx_INT_CONTROL(i), DC_HPDx_INT_ACK);
6181	}
6182
6183	for (i = 0; i < 6; i++) {
6184		if (disp_int[i] & DC_HPD1_RX_INTERRUPT)
6185			WREG32_OR(DC_HPDx_INT_CONTROL(i), DC_HPDx_RX_INT_ACK);
6186	}
6187}
6188
6189static void si_irq_disable(struct radeon_device *rdev)
6190{
6191	si_disable_interrupts(rdev);
6192	/* Wait and acknowledge irq */
6193	mdelay(1);
6194	si_irq_ack(rdev);
6195	si_disable_interrupt_state(rdev);
6196}
6197
6198static void si_irq_suspend(struct radeon_device *rdev)
6199{
6200	si_irq_disable(rdev);
6201	si_rlc_stop(rdev);
6202}
6203
6204static void si_irq_fini(struct radeon_device *rdev)
6205{
6206	si_irq_suspend(rdev);
6207	r600_ih_ring_fini(rdev);
6208}
6209
6210static inline u32 si_get_ih_wptr(struct radeon_device *rdev)
6211{
6212	u32 wptr, tmp;
6213
6214	if (rdev->wb.enabled)
6215		wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]);
6216	else
6217		wptr = RREG32(IH_RB_WPTR);
6218
6219	if (wptr & RB_OVERFLOW) {
6220		wptr &= ~RB_OVERFLOW;
6221		/* When a ring buffer overflow happen start parsing interrupt
6222		 * from the last not overwritten vector (wptr + 16). Hopefully
6223		 * this should allow us to catchup.
6224		 */
6225		dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, 0x%08X, 0x%08X)\n",
6226			 wptr, rdev->ih.rptr, (wptr + 16) & rdev->ih.ptr_mask);
6227		rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
6228		tmp = RREG32(IH_RB_CNTL);
6229		tmp |= IH_WPTR_OVERFLOW_CLEAR;
6230		WREG32(IH_RB_CNTL, tmp);
6231	}
6232	return (wptr & rdev->ih.ptr_mask);
6233}
6234
6235/*        SI IV Ring
6236 * Each IV ring entry is 128 bits:
6237 * [7:0]    - interrupt source id
6238 * [31:8]   - reserved
6239 * [59:32]  - interrupt source data
6240 * [63:60]  - reserved
6241 * [71:64]  - RINGID
6242 * [79:72]  - VMID
6243 * [127:80] - reserved
6244 */
6245int si_irq_process(struct radeon_device *rdev)
6246{
6247	u32 *disp_int = rdev->irq.stat_regs.evergreen.disp_int;
6248	u32 crtc_idx, hpd_idx;
6249	u32 mask;
6250	u32 wptr;
6251	u32 rptr;
6252	u32 src_id, src_data, ring_id;
6253	u32 ring_index;
6254	bool queue_hotplug = false;
6255	bool queue_dp = false;
6256	bool queue_thermal = false;
6257	u32 status, addr;
6258	const char *event_name;
6259
6260	if (!rdev->ih.enabled || rdev->shutdown)
6261		return IRQ_NONE;
6262
6263	wptr = si_get_ih_wptr(rdev);
6264
6265restart_ih:
6266	/* is somebody else already processing irqs? */
6267	if (atomic_xchg(&rdev->ih.lock, 1))
6268		return IRQ_NONE;
6269
6270	rptr = rdev->ih.rptr;
6271	DRM_DEBUG("si_irq_process start: rptr %d, wptr %d\n", rptr, wptr);
6272
6273	/* Order reading of wptr vs. reading of IH ring data */
6274	rmb();
6275
6276	/* display interrupts */
6277	si_irq_ack(rdev);
6278
6279	while (rptr != wptr) {
6280		/* wptr/rptr are in bytes! */
6281		ring_index = rptr / 4;
6282		src_id =  le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff;
6283		src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff;
6284		ring_id = le32_to_cpu(rdev->ih.ring[ring_index + 2]) & 0xff;
6285
6286		switch (src_id) {
6287		case 1: /* D1 vblank/vline */
6288		case 2: /* D2 vblank/vline */
6289		case 3: /* D3 vblank/vline */
6290		case 4: /* D4 vblank/vline */
6291		case 5: /* D5 vblank/vline */
6292		case 6: /* D6 vblank/vline */
6293			crtc_idx = src_id - 1;
6294
6295			if (src_data == 0) { /* vblank */
6296				mask = LB_D1_VBLANK_INTERRUPT;
6297				event_name = "vblank";
6298
6299				if (rdev->irq.crtc_vblank_int[crtc_idx]) {
6300					drm_handle_vblank(rdev->ddev, crtc_idx);
6301					rdev->pm.vblank_sync = true;
6302					wake_up(&rdev->irq.vblank_queue);
6303				}
6304				if (atomic_read(&rdev->irq.pflip[crtc_idx])) {
6305					radeon_crtc_handle_vblank(rdev,
6306								  crtc_idx);
6307				}
6308
6309			} else if (src_data == 1) { /* vline */
6310				mask = LB_D1_VLINE_INTERRUPT;
6311				event_name = "vline";
6312			} else {
6313				DRM_DEBUG("Unhandled interrupt: %d %d\n",
6314					  src_id, src_data);
6315				break;
6316			}
6317
6318			if (!(disp_int[crtc_idx] & mask)) {
6319				DRM_DEBUG("IH: D%d %s - IH event w/o asserted irq bit?\n",
6320					  crtc_idx + 1, event_name);
6321			}
6322
6323			disp_int[crtc_idx] &= ~mask;
6324			DRM_DEBUG("IH: D%d %s\n", crtc_idx + 1, event_name);
6325
6326			break;
6327		case 8: /* D1 page flip */
6328		case 10: /* D2 page flip */
6329		case 12: /* D3 page flip */
6330		case 14: /* D4 page flip */
6331		case 16: /* D5 page flip */
6332		case 18: /* D6 page flip */
6333			DRM_DEBUG("IH: D%d flip\n", ((src_id - 8) >> 1) + 1);
6334			if (radeon_use_pflipirq > 0)
6335				radeon_crtc_handle_flip(rdev, (src_id - 8) >> 1);
6336			break;
6337		case 42: /* HPD hotplug */
6338			if (src_data <= 5) {
6339				hpd_idx = src_data;
6340				mask = DC_HPD1_INTERRUPT;
6341				queue_hotplug = true;
6342				event_name = "HPD";
6343
6344			} else if (src_data <= 11) {
6345				hpd_idx = src_data - 6;
6346				mask = DC_HPD1_RX_INTERRUPT;
6347				queue_dp = true;
6348				event_name = "HPD_RX";
6349
6350			} else {
6351				DRM_DEBUG("Unhandled interrupt: %d %d\n",
6352					  src_id, src_data);
6353				break;
6354			}
6355
6356			if (!(disp_int[hpd_idx] & mask))
6357				DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6358
6359			disp_int[hpd_idx] &= ~mask;
6360			DRM_DEBUG("IH: %s%d\n", event_name, hpd_idx + 1);
6361			break;
6362		case 96:
6363			DRM_ERROR("SRBM_READ_ERROR: 0x%x\n", RREG32(SRBM_READ_ERROR));
6364			WREG32(SRBM_INT_ACK, 0x1);
6365			break;
6366		case 124: /* UVD */
6367			DRM_DEBUG("IH: UVD int: 0x%08x\n", src_data);
6368			radeon_fence_process(rdev, R600_RING_TYPE_UVD_INDEX);
6369			break;
6370		case 146:
6371		case 147:
6372			addr = RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR);
6373			status = RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS);
6374			/* reset addr and status */
6375			WREG32_P(VM_CONTEXT1_CNTL2, 1, ~1);
6376			if (addr == 0x0 && status == 0x0)
6377				break;
6378			dev_err(rdev->dev, "GPU fault detected: %d 0x%08x\n", src_id, src_data);
6379			dev_err(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
6380				addr);
6381			dev_err(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
6382				status);
6383			si_vm_decode_fault(rdev, status, addr);
6384			break;
6385		case 176: /* RINGID0 CP_INT */
6386			radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
6387			break;
6388		case 177: /* RINGID1 CP_INT */
6389			radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
6390			break;
6391		case 178: /* RINGID2 CP_INT */
6392			radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
6393			break;
6394		case 181: /* CP EOP event */
6395			DRM_DEBUG("IH: CP EOP\n");
6396			switch (ring_id) {
6397			case 0:
6398				radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
6399				break;
6400			case 1:
6401				radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
6402				break;
6403			case 2:
6404				radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
6405				break;
6406			}
6407			break;
6408		case 224: /* DMA trap event */
6409			DRM_DEBUG("IH: DMA trap\n");
6410			radeon_fence_process(rdev, R600_RING_TYPE_DMA_INDEX);
6411			break;
6412		case 230: /* thermal low to high */
6413			DRM_DEBUG("IH: thermal low to high\n");
6414			rdev->pm.dpm.thermal.high_to_low = false;
6415			queue_thermal = true;
6416			break;
6417		case 231: /* thermal high to low */
6418			DRM_DEBUG("IH: thermal high to low\n");
6419			rdev->pm.dpm.thermal.high_to_low = true;
6420			queue_thermal = true;
6421			break;
6422		case 233: /* GUI IDLE */
6423			DRM_DEBUG("IH: GUI idle\n");
6424			break;
6425		case 244: /* DMA trap event */
6426			DRM_DEBUG("IH: DMA1 trap\n");
6427			radeon_fence_process(rdev, CAYMAN_RING_TYPE_DMA1_INDEX);
6428			break;
6429		default:
6430			DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
6431			break;
6432		}
6433
6434		/* wptr/rptr are in bytes! */
6435		rptr += 16;
6436		rptr &= rdev->ih.ptr_mask;
6437		WREG32(IH_RB_RPTR, rptr);
6438	}
6439	if (queue_dp)
6440		schedule_work(&rdev->dp_work);
6441	if (queue_hotplug)
6442		schedule_delayed_work(&rdev->hotplug_work, 0);
6443	if (queue_thermal && rdev->pm.dpm_enabled)
6444		schedule_work(&rdev->pm.dpm.thermal.work);
6445	rdev->ih.rptr = rptr;
6446	atomic_set(&rdev->ih.lock, 0);
6447
6448	/* make sure wptr hasn't changed while processing */
6449	wptr = si_get_ih_wptr(rdev);
6450	if (wptr != rptr)
6451		goto restart_ih;
6452
6453	return IRQ_HANDLED;
6454}
6455
6456/*
6457 * startup/shutdown callbacks
6458 */
6459static void si_uvd_init(struct radeon_device *rdev)
6460{
6461	int r;
6462
6463	if (!rdev->has_uvd)
6464		return;
6465
6466	r = radeon_uvd_init(rdev);
6467	if (r) {
6468		dev_err(rdev->dev, "failed UVD (%d) init.\n", r);
6469		/*
6470		 * At this point rdev->uvd.vcpu_bo is NULL which trickles down
6471		 * to early fails uvd_v2_2_resume() and thus nothing happens
6472		 * there. So it is pointless to try to go through that code
6473		 * hence why we disable uvd here.
6474		 */
6475		rdev->has_uvd = false;
6476		return;
6477	}
6478	rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_obj = NULL;
6479	r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_UVD_INDEX], 4096);
6480}
6481
6482static void si_uvd_start(struct radeon_device *rdev)
6483{
6484	int r;
6485
6486	if (!rdev->has_uvd)
6487		return;
6488
6489	r = uvd_v2_2_resume(rdev);
6490	if (r) {
6491		dev_err(rdev->dev, "failed UVD resume (%d).\n", r);
6492		goto error;
6493	}
6494	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_UVD_INDEX);
6495	if (r) {
6496		dev_err(rdev->dev, "failed initializing UVD fences (%d).\n", r);
6497		goto error;
6498	}
6499	return;
6500
6501error:
6502	rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
6503}
6504
6505static void si_uvd_resume(struct radeon_device *rdev)
6506{
6507	struct radeon_ring *ring;
6508	int r;
6509
6510	if (!rdev->has_uvd || !rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size)
6511		return;
6512
6513	ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
6514	r = radeon_ring_init(rdev, ring, ring->ring_size, 0, PACKET0(UVD_NO_OP, 0));
6515	if (r) {
6516		dev_err(rdev->dev, "failed initializing UVD ring (%d).\n", r);
6517		return;
6518	}
6519	r = uvd_v1_0_init(rdev);
6520	if (r) {
6521		dev_err(rdev->dev, "failed initializing UVD (%d).\n", r);
6522		return;
6523	}
6524}
6525
6526static void si_vce_init(struct radeon_device *rdev)
6527{
6528	int r;
6529
6530	if (!rdev->has_vce)
6531		return;
6532
6533	r = radeon_vce_init(rdev);
6534	if (r) {
6535		dev_err(rdev->dev, "failed VCE (%d) init.\n", r);
6536		/*
6537		 * At this point rdev->vce.vcpu_bo is NULL which trickles down
6538		 * to early fails si_vce_start() and thus nothing happens
6539		 * there. So it is pointless to try to go through that code
6540		 * hence why we disable vce here.
6541		 */
6542		rdev->has_vce = false;
6543		return;
6544	}
6545	rdev->ring[TN_RING_TYPE_VCE1_INDEX].ring_obj = NULL;
6546	r600_ring_init(rdev, &rdev->ring[TN_RING_TYPE_VCE1_INDEX], 4096);
6547	rdev->ring[TN_RING_TYPE_VCE2_INDEX].ring_obj = NULL;
6548	r600_ring_init(rdev, &rdev->ring[TN_RING_TYPE_VCE2_INDEX], 4096);
6549}
6550
6551static void si_vce_start(struct radeon_device *rdev)
6552{
6553	int r;
6554
6555	if (!rdev->has_vce)
6556		return;
6557
6558	r = radeon_vce_resume(rdev);
6559	if (r) {
6560		dev_err(rdev->dev, "failed VCE resume (%d).\n", r);
6561		goto error;
6562	}
6563	r = vce_v1_0_resume(rdev);
6564	if (r) {
6565		dev_err(rdev->dev, "failed VCE resume (%d).\n", r);
6566		goto error;
6567	}
6568	r = radeon_fence_driver_start_ring(rdev, TN_RING_TYPE_VCE1_INDEX);
6569	if (r) {
6570		dev_err(rdev->dev, "failed initializing VCE1 fences (%d).\n", r);
6571		goto error;
6572	}
6573	r = radeon_fence_driver_start_ring(rdev, TN_RING_TYPE_VCE2_INDEX);
6574	if (r) {
6575		dev_err(rdev->dev, "failed initializing VCE2 fences (%d).\n", r);
6576		goto error;
6577	}
6578	return;
6579
6580error:
6581	rdev->ring[TN_RING_TYPE_VCE1_INDEX].ring_size = 0;
6582	rdev->ring[TN_RING_TYPE_VCE2_INDEX].ring_size = 0;
6583}
6584
6585static void si_vce_resume(struct radeon_device *rdev)
6586{
6587	struct radeon_ring *ring;
6588	int r;
6589
6590	if (!rdev->has_vce || !rdev->ring[TN_RING_TYPE_VCE1_INDEX].ring_size)
6591		return;
6592
6593	ring = &rdev->ring[TN_RING_TYPE_VCE1_INDEX];
6594	r = radeon_ring_init(rdev, ring, ring->ring_size, 0, VCE_CMD_NO_OP);
6595	if (r) {
6596		dev_err(rdev->dev, "failed initializing VCE1 ring (%d).\n", r);
6597		return;
6598	}
6599	ring = &rdev->ring[TN_RING_TYPE_VCE2_INDEX];
6600	r = radeon_ring_init(rdev, ring, ring->ring_size, 0, VCE_CMD_NO_OP);
6601	if (r) {
6602		dev_err(rdev->dev, "failed initializing VCE1 ring (%d).\n", r);
6603		return;
6604	}
6605	r = vce_v1_0_init(rdev);
6606	if (r) {
6607		dev_err(rdev->dev, "failed initializing VCE (%d).\n", r);
6608		return;
6609	}
6610}
6611
6612static int si_startup(struct radeon_device *rdev)
6613{
6614	struct radeon_ring *ring;
6615	int r;
6616
6617	/* enable pcie gen2/3 link */
6618	si_pcie_gen3_enable(rdev);
6619	/* enable aspm */
6620	si_program_aspm(rdev);
6621
6622	/* scratch needs to be initialized before MC */
6623	r = r600_vram_scratch_init(rdev);
6624	if (r)
6625		return r;
6626
6627	si_mc_program(rdev);
6628
6629	if (!rdev->pm.dpm_enabled) {
6630		r = si_mc_load_microcode(rdev);
6631		if (r) {
6632			DRM_ERROR("Failed to load MC firmware!\n");
6633			return r;
6634		}
6635	}
6636
6637	r = si_pcie_gart_enable(rdev);
6638	if (r)
6639		return r;
6640	si_gpu_init(rdev);
6641
6642	/* allocate rlc buffers */
6643	if (rdev->family == CHIP_VERDE) {
6644		rdev->rlc.reg_list = verde_rlc_save_restore_register_list;
6645		rdev->rlc.reg_list_size =
6646			(u32)ARRAY_SIZE(verde_rlc_save_restore_register_list);
6647	}
6648	rdev->rlc.cs_data = si_cs_data;
6649	r = sumo_rlc_init(rdev);
6650	if (r) {
6651		DRM_ERROR("Failed to init rlc BOs!\n");
6652		return r;
6653	}
6654
6655	/* allocate wb buffer */
6656	r = radeon_wb_init(rdev);
6657	if (r)
6658		return r;
6659
6660	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
6661	if (r) {
6662		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
6663		return r;
6664	}
6665
6666	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
6667	if (r) {
6668		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
6669		return r;
6670	}
6671
6672	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
6673	if (r) {
6674		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
6675		return r;
6676	}
6677
6678	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX);
6679	if (r) {
6680		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
6681		return r;
6682	}
6683
6684	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_DMA1_INDEX);
6685	if (r) {
6686		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
6687		return r;
6688	}
6689
6690	si_uvd_start(rdev);
6691	si_vce_start(rdev);
6692
6693	/* Enable IRQ */
6694	if (!rdev->irq.installed) {
6695		r = radeon_irq_kms_init(rdev);
6696		if (r)
6697			return r;
6698	}
6699
6700	r = si_irq_init(rdev);
6701	if (r) {
6702		DRM_ERROR("radeon: IH init failed (%d).\n", r);
6703		radeon_irq_kms_fini(rdev);
6704		return r;
6705	}
6706	si_irq_set(rdev);
6707
6708	ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
6709	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
6710			     RADEON_CP_PACKET2);
6711	if (r)
6712		return r;
6713
6714	ring = &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX];
6715	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP1_RPTR_OFFSET,
6716			     RADEON_CP_PACKET2);
6717	if (r)
6718		return r;
6719
6720	ring = &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX];
6721	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP2_RPTR_OFFSET,
6722			     RADEON_CP_PACKET2);
6723	if (r)
6724		return r;
6725
6726	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
6727	r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
6728			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0, 0));
6729	if (r)
6730		return r;
6731
6732	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
6733	r = radeon_ring_init(rdev, ring, ring->ring_size, CAYMAN_WB_DMA1_RPTR_OFFSET,
6734			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0, 0));
6735	if (r)
6736		return r;
6737
6738	r = si_cp_load_microcode(rdev);
6739	if (r)
6740		return r;
6741	r = si_cp_resume(rdev);
6742	if (r)
6743		return r;
6744
6745	r = cayman_dma_resume(rdev);
6746	if (r)
6747		return r;
6748
6749	si_uvd_resume(rdev);
6750	si_vce_resume(rdev);
6751
6752	r = radeon_ib_pool_init(rdev);
6753	if (r) {
6754		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
6755		return r;
6756	}
6757
6758	r = radeon_vm_manager_init(rdev);
6759	if (r) {
6760		dev_err(rdev->dev, "vm manager initialization failed (%d).\n", r);
6761		return r;
6762	}
6763
6764	r = radeon_audio_init(rdev);
6765	if (r)
6766		return r;
6767
6768	return 0;
6769}
6770
6771int si_resume(struct radeon_device *rdev)
6772{
6773	int r;
6774
6775	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
6776	 * posting will perform necessary task to bring back GPU into good
6777	 * shape.
6778	 */
6779	/* post card */
6780	atom_asic_init(rdev->mode_info.atom_context);
6781
6782	/* init golden registers */
6783	si_init_golden_registers(rdev);
6784
6785	if (rdev->pm.pm_method == PM_METHOD_DPM)
6786		radeon_pm_resume(rdev);
6787
6788	rdev->accel_working = true;
6789	r = si_startup(rdev);
6790	if (r) {
6791		DRM_ERROR("si startup failed on resume\n");
6792		rdev->accel_working = false;
6793		return r;
6794	}
6795
6796	return r;
6797
6798}
6799
6800int si_suspend(struct radeon_device *rdev)
6801{
6802	radeon_pm_suspend(rdev);
6803	radeon_audio_fini(rdev);
6804	radeon_vm_manager_fini(rdev);
6805	si_cp_enable(rdev, false);
6806	cayman_dma_stop(rdev);
6807	if (rdev->has_uvd) {
6808		uvd_v1_0_fini(rdev);
6809		radeon_uvd_suspend(rdev);
6810	}
6811	if (rdev->has_vce)
6812		radeon_vce_suspend(rdev);
6813	si_fini_pg(rdev);
6814	si_fini_cg(rdev);
6815	si_irq_suspend(rdev);
6816	radeon_wb_disable(rdev);
6817	si_pcie_gart_disable(rdev);
6818	return 0;
6819}
6820
6821/* Plan is to move initialization in that function and use
6822 * helper function so that radeon_device_init pretty much
6823 * do nothing more than calling asic specific function. This
6824 * should also allow to remove a bunch of callback function
6825 * like vram_info.
6826 */
6827int si_init(struct radeon_device *rdev)
6828{
6829	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
6830	int r;
6831
6832	/* Read BIOS */
6833	if (!radeon_get_bios(rdev)) {
6834		if (ASIC_IS_AVIVO(rdev))
6835			return -EINVAL;
6836	}
6837	/* Must be an ATOMBIOS */
6838	if (!rdev->is_atom_bios) {
6839		dev_err(rdev->dev, "Expecting atombios for cayman GPU\n");
6840		return -EINVAL;
6841	}
6842	r = radeon_atombios_init(rdev);
6843	if (r)
6844		return r;
6845
6846	/* Post card if necessary */
6847	if (!radeon_card_posted(rdev)) {
6848		if (!rdev->bios) {
6849			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
6850			return -EINVAL;
6851		}
6852		DRM_INFO("GPU not posted. posting now...\n");
6853		atom_asic_init(rdev->mode_info.atom_context);
6854	}
6855	/* init golden registers */
6856	si_init_golden_registers(rdev);
6857	/* Initialize scratch registers */
6858	si_scratch_init(rdev);
6859	/* Initialize surface registers */
6860	radeon_surface_init(rdev);
6861	/* Initialize clocks */
6862	radeon_get_clock_info(rdev->ddev);
6863
6864	/* Fence driver */
6865	r = radeon_fence_driver_init(rdev);
6866	if (r)
6867		return r;
6868
6869	/* initialize memory controller */
6870	r = si_mc_init(rdev);
6871	if (r)
6872		return r;
6873	/* Memory manager */
6874	r = radeon_bo_init(rdev);
6875	if (r)
6876		return r;
6877
6878	if (!rdev->me_fw || !rdev->pfp_fw || !rdev->ce_fw ||
6879	    !rdev->rlc_fw || !rdev->mc_fw) {
6880		r = si_init_microcode(rdev);
6881		if (r) {
6882			DRM_ERROR("Failed to load firmware!\n");
6883			return r;
6884		}
6885	}
6886
6887	/* Initialize power management */
6888	radeon_pm_init(rdev);
6889
6890	ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
6891	ring->ring_obj = NULL;
6892	r600_ring_init(rdev, ring, 1024 * 1024);
6893
6894	ring = &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX];
6895	ring->ring_obj = NULL;
6896	r600_ring_init(rdev, ring, 1024 * 1024);
6897
6898	ring = &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX];
6899	ring->ring_obj = NULL;
6900	r600_ring_init(rdev, ring, 1024 * 1024);
6901
6902	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
6903	ring->ring_obj = NULL;
6904	r600_ring_init(rdev, ring, 64 * 1024);
6905
6906	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
6907	ring->ring_obj = NULL;
6908	r600_ring_init(rdev, ring, 64 * 1024);
6909
6910	si_uvd_init(rdev);
6911	si_vce_init(rdev);
6912
6913	rdev->ih.ring_obj = NULL;
6914	r600_ih_ring_init(rdev, 64 * 1024);
6915
6916	r = r600_pcie_gart_init(rdev);
6917	if (r)
6918		return r;
6919
6920	rdev->accel_working = true;
6921	r = si_startup(rdev);
6922	if (r) {
6923		dev_err(rdev->dev, "disabling GPU acceleration\n");
6924		si_cp_fini(rdev);
6925		cayman_dma_fini(rdev);
6926		si_irq_fini(rdev);
6927		sumo_rlc_fini(rdev);
6928		radeon_wb_fini(rdev);
6929		radeon_ib_pool_fini(rdev);
6930		radeon_vm_manager_fini(rdev);
6931		radeon_irq_kms_fini(rdev);
6932		si_pcie_gart_fini(rdev);
6933		rdev->accel_working = false;
6934	}
6935
6936	/* Don't start up if the MC ucode is missing.
6937	 * The default clocks and voltages before the MC ucode
6938	 * is loaded are not suffient for advanced operations.
6939	 */
6940	if (!rdev->mc_fw) {
6941		DRM_ERROR("radeon: MC ucode required for NI+.\n");
6942		return -EINVAL;
6943	}
6944
6945	return 0;
6946}
6947
6948void si_fini(struct radeon_device *rdev)
6949{
6950	radeon_pm_fini(rdev);
6951	si_cp_fini(rdev);
6952	cayman_dma_fini(rdev);
6953	si_fini_pg(rdev);
6954	si_fini_cg(rdev);
6955	si_irq_fini(rdev);
6956	sumo_rlc_fini(rdev);
6957	radeon_wb_fini(rdev);
6958	radeon_vm_manager_fini(rdev);
6959	radeon_ib_pool_fini(rdev);
6960	radeon_irq_kms_fini(rdev);
6961	if (rdev->has_uvd) {
6962		uvd_v1_0_fini(rdev);
6963		radeon_uvd_fini(rdev);
6964	}
6965	if (rdev->has_vce)
6966		radeon_vce_fini(rdev);
6967	si_pcie_gart_fini(rdev);
6968	r600_vram_scratch_fini(rdev);
6969	radeon_gem_fini(rdev);
6970	radeon_fence_driver_fini(rdev);
6971	radeon_bo_fini(rdev);
6972	radeon_atombios_fini(rdev);
6973	kfree(rdev->bios);
6974	rdev->bios = NULL;
6975}
6976
6977/**
6978 * si_get_gpu_clock_counter - return GPU clock counter snapshot
6979 *
6980 * @rdev: radeon_device pointer
6981 *
6982 * Fetches a GPU clock counter snapshot (SI).
6983 * Returns the 64 bit clock counter snapshot.
6984 */
6985uint64_t si_get_gpu_clock_counter(struct radeon_device *rdev)
6986{
6987	uint64_t clock;
6988
6989	mutex_lock(&rdev->gpu_clock_mutex);
6990	WREG32(RLC_CAPTURE_GPU_CLOCK_COUNT, 1);
6991	clock = (uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_LSB) |
6992		((uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_MSB) << 32ULL);
6993	mutex_unlock(&rdev->gpu_clock_mutex);
6994	return clock;
6995}
6996
6997int si_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk)
6998{
6999	unsigned fb_div = 0, vclk_div = 0, dclk_div = 0;
7000	int r;
7001
7002	/* bypass vclk and dclk with bclk */
7003	WREG32_P(CG_UPLL_FUNC_CNTL_2,
7004		VCLK_SRC_SEL(1) | DCLK_SRC_SEL(1),
7005		~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK));
7006
7007	/* put PLL in bypass mode */
7008	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_BYPASS_EN_MASK, ~UPLL_BYPASS_EN_MASK);
7009
7010	if (!vclk || !dclk) {
7011		/* keep the Bypass mode */
7012		return 0;
7013	}
7014
7015	r = radeon_uvd_calc_upll_dividers(rdev, vclk, dclk, 125000, 250000,
7016					  16384, 0x03FFFFFF, 0, 128, 5,
7017					  &fb_div, &vclk_div, &dclk_div);
7018	if (r)
7019		return r;
7020
7021	/* set RESET_ANTI_MUX to 0 */
7022	WREG32_P(CG_UPLL_FUNC_CNTL_5, 0, ~RESET_ANTI_MUX_MASK);
7023
7024	/* set VCO_MODE to 1 */
7025	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_VCO_MODE_MASK, ~UPLL_VCO_MODE_MASK);
7026
7027	/* disable sleep mode */
7028	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_SLEEP_MASK);
7029
7030	/* deassert UPLL_RESET */
7031	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_RESET_MASK);
7032
7033	mdelay(1);
7034
7035	r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL);
7036	if (r)
7037		return r;
7038
7039	/* assert UPLL_RESET again */
7040	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_RESET_MASK, ~UPLL_RESET_MASK);
7041
7042	/* disable spread spectrum. */
7043	WREG32_P(CG_UPLL_SPREAD_SPECTRUM, 0, ~SSEN_MASK);
7044
7045	/* set feedback divider */
7046	WREG32_P(CG_UPLL_FUNC_CNTL_3, UPLL_FB_DIV(fb_div), ~UPLL_FB_DIV_MASK);
7047
7048	/* set ref divider to 0 */
7049	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_REF_DIV_MASK);
7050
7051	if (fb_div < 307200)
7052		WREG32_P(CG_UPLL_FUNC_CNTL_4, 0, ~UPLL_SPARE_ISPARE9);
7053	else
7054		WREG32_P(CG_UPLL_FUNC_CNTL_4, UPLL_SPARE_ISPARE9, ~UPLL_SPARE_ISPARE9);
7055
7056	/* set PDIV_A and PDIV_B */
7057	WREG32_P(CG_UPLL_FUNC_CNTL_2,
7058		UPLL_PDIV_A(vclk_div) | UPLL_PDIV_B(dclk_div),
7059		~(UPLL_PDIV_A_MASK | UPLL_PDIV_B_MASK));
7060
7061	/* give the PLL some time to settle */
7062	mdelay(15);
7063
7064	/* deassert PLL_RESET */
7065	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_RESET_MASK);
7066
7067	mdelay(15);
7068
7069	/* switch from bypass mode to normal mode */
7070	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_BYPASS_EN_MASK);
7071
7072	r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL);
7073	if (r)
7074		return r;
7075
7076	/* switch VCLK and DCLK selection */
7077	WREG32_P(CG_UPLL_FUNC_CNTL_2,
7078		VCLK_SRC_SEL(2) | DCLK_SRC_SEL(2),
7079		~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK));
7080
7081	mdelay(100);
7082
7083	return 0;
7084}
7085
7086static void si_pcie_gen3_enable(struct radeon_device *rdev)
7087{
7088	struct pci_dev *root = rdev->pdev->bus->self;
7089	enum pci_bus_speed speed_cap;
7090	u32 speed_cntl, current_data_rate;
7091	int i;
7092	u16 tmp16;
7093
7094	if (pci_is_root_bus(rdev->pdev->bus))
7095		return;
7096
7097	if (radeon_pcie_gen2 == 0)
7098		return;
7099
7100	if (rdev->flags & RADEON_IS_IGP)
7101		return;
7102
7103	if (!(rdev->flags & RADEON_IS_PCIE))
7104		return;
7105
7106	speed_cap = pcie_get_speed_cap(root);
7107	if (speed_cap == PCI_SPEED_UNKNOWN)
7108		return;
7109
7110	if ((speed_cap != PCIE_SPEED_8_0GT) &&
7111	    (speed_cap != PCIE_SPEED_5_0GT))
7112		return;
7113
7114	speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
7115	current_data_rate = (speed_cntl & LC_CURRENT_DATA_RATE_MASK) >>
7116		LC_CURRENT_DATA_RATE_SHIFT;
7117	if (speed_cap == PCIE_SPEED_8_0GT) {
7118		if (current_data_rate == 2) {
7119			DRM_INFO("PCIE gen 3 link speeds already enabled\n");
7120			return;
7121		}
7122		DRM_INFO("enabling PCIE gen 3 link speeds, disable with radeon.pcie_gen2=0\n");
7123	} else if (speed_cap == PCIE_SPEED_5_0GT) {
7124		if (current_data_rate == 1) {
7125			DRM_INFO("PCIE gen 2 link speeds already enabled\n");
7126			return;
7127		}
7128		DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n");
7129	}
7130
7131	if (!pci_is_pcie(root) || !pci_is_pcie(rdev->pdev))
7132		return;
7133
7134	if (speed_cap == PCIE_SPEED_8_0GT) {
7135		/* re-try equalization if gen3 is not already enabled */
7136		if (current_data_rate != 2) {
7137			u16 bridge_cfg, gpu_cfg;
7138			u16 bridge_cfg2, gpu_cfg2;
7139			u32 max_lw, current_lw, tmp;
7140
7141			pcie_capability_read_word(root, PCI_EXP_LNKCTL,
7142						  &bridge_cfg);
7143			pcie_capability_read_word(rdev->pdev, PCI_EXP_LNKCTL,
7144						  &gpu_cfg);
7145
7146			tmp16 = bridge_cfg | PCI_EXP_LNKCTL_HAWD;
7147			pcie_capability_write_word(root, PCI_EXP_LNKCTL, tmp16);
7148
7149			tmp16 = gpu_cfg | PCI_EXP_LNKCTL_HAWD;
7150			pcie_capability_write_word(rdev->pdev, PCI_EXP_LNKCTL,
7151						   tmp16);
7152
7153			tmp = RREG32_PCIE(PCIE_LC_STATUS1);
7154			max_lw = (tmp & LC_DETECTED_LINK_WIDTH_MASK) >> LC_DETECTED_LINK_WIDTH_SHIFT;
7155			current_lw = (tmp & LC_OPERATING_LINK_WIDTH_MASK) >> LC_OPERATING_LINK_WIDTH_SHIFT;
7156
7157			if (current_lw < max_lw) {
7158				tmp = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
7159				if (tmp & LC_RENEGOTIATION_SUPPORT) {
7160					tmp &= ~(LC_LINK_WIDTH_MASK | LC_UPCONFIGURE_DIS);
7161					tmp |= (max_lw << LC_LINK_WIDTH_SHIFT);
7162					tmp |= LC_UPCONFIGURE_SUPPORT | LC_RENEGOTIATE_EN | LC_RECONFIG_NOW;
7163					WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, tmp);
7164				}
7165			}
7166
7167			for (i = 0; i < 10; i++) {
7168				/* check status */
7169				pcie_capability_read_word(rdev->pdev,
7170							  PCI_EXP_DEVSTA,
7171							  &tmp16);
7172				if (tmp16 & PCI_EXP_DEVSTA_TRPND)
7173					break;
7174
7175				pcie_capability_read_word(root, PCI_EXP_LNKCTL,
7176							  &bridge_cfg);
7177				pcie_capability_read_word(rdev->pdev,
7178							  PCI_EXP_LNKCTL,
7179							  &gpu_cfg);
7180
7181				pcie_capability_read_word(root, PCI_EXP_LNKCTL2,
7182							  &bridge_cfg2);
7183				pcie_capability_read_word(rdev->pdev,
7184							  PCI_EXP_LNKCTL2,
7185							  &gpu_cfg2);
7186
7187				tmp = RREG32_PCIE_PORT(PCIE_LC_CNTL4);
7188				tmp |= LC_SET_QUIESCE;
7189				WREG32_PCIE_PORT(PCIE_LC_CNTL4, tmp);
7190
7191				tmp = RREG32_PCIE_PORT(PCIE_LC_CNTL4);
7192				tmp |= LC_REDO_EQ;
7193				WREG32_PCIE_PORT(PCIE_LC_CNTL4, tmp);
7194
7195				msleep(100);
7196
7197				/* linkctl */
7198				pcie_capability_read_word(root, PCI_EXP_LNKCTL,
7199							  &tmp16);
7200				tmp16 &= ~PCI_EXP_LNKCTL_HAWD;
7201				tmp16 |= (bridge_cfg & PCI_EXP_LNKCTL_HAWD);
7202				pcie_capability_write_word(root,
7203							   PCI_EXP_LNKCTL,
7204							   tmp16);
7205
7206				pcie_capability_read_word(rdev->pdev,
7207							  PCI_EXP_LNKCTL,
7208							  &tmp16);
7209				tmp16 &= ~PCI_EXP_LNKCTL_HAWD;
7210				tmp16 |= (gpu_cfg & PCI_EXP_LNKCTL_HAWD);
7211				pcie_capability_write_word(rdev->pdev,
7212							   PCI_EXP_LNKCTL,
7213							   tmp16);
7214
7215				/* linkctl2 */
7216				pcie_capability_read_word(root, PCI_EXP_LNKCTL2,
7217							  &tmp16);
7218				tmp16 &= ~(PCI_EXP_LNKCTL2_ENTER_COMP |
7219					   PCI_EXP_LNKCTL2_TX_MARGIN);
7220				tmp16 |= (bridge_cfg2 &
7221					  (PCI_EXP_LNKCTL2_ENTER_COMP |
7222					   PCI_EXP_LNKCTL2_TX_MARGIN));
7223				pcie_capability_write_word(root,
7224							   PCI_EXP_LNKCTL2,
7225							   tmp16);
7226
7227				pcie_capability_read_word(rdev->pdev,
7228							  PCI_EXP_LNKCTL2,
7229							  &tmp16);
7230				tmp16 &= ~(PCI_EXP_LNKCTL2_ENTER_COMP |
7231					   PCI_EXP_LNKCTL2_TX_MARGIN);
7232				tmp16 |= (gpu_cfg2 &
7233					  (PCI_EXP_LNKCTL2_ENTER_COMP |
7234					   PCI_EXP_LNKCTL2_TX_MARGIN));
7235				pcie_capability_write_word(rdev->pdev,
7236							   PCI_EXP_LNKCTL2,
7237							   tmp16);
7238
7239				tmp = RREG32_PCIE_PORT(PCIE_LC_CNTL4);
7240				tmp &= ~LC_SET_QUIESCE;
7241				WREG32_PCIE_PORT(PCIE_LC_CNTL4, tmp);
7242			}
7243		}
7244	}
7245
7246	/* set the link speed */
7247	speed_cntl |= LC_FORCE_EN_SW_SPEED_CHANGE | LC_FORCE_DIS_HW_SPEED_CHANGE;
7248	speed_cntl &= ~LC_FORCE_DIS_SW_SPEED_CHANGE;
7249	WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
7250
7251	pcie_capability_read_word(rdev->pdev, PCI_EXP_LNKCTL2, &tmp16);
7252	tmp16 &= ~PCI_EXP_LNKCTL2_TLS;
7253	if (speed_cap == PCIE_SPEED_8_0GT)
7254		tmp16 |= PCI_EXP_LNKCTL2_TLS_8_0GT; /* gen3 */
7255	else if (speed_cap == PCIE_SPEED_5_0GT)
7256		tmp16 |= PCI_EXP_LNKCTL2_TLS_5_0GT; /* gen2 */
7257	else
7258		tmp16 |= PCI_EXP_LNKCTL2_TLS_2_5GT; /* gen1 */
7259	pcie_capability_write_word(rdev->pdev, PCI_EXP_LNKCTL2, tmp16);
7260
7261	speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
7262	speed_cntl |= LC_INITIATE_LINK_SPEED_CHANGE;
7263	WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
7264
7265	for (i = 0; i < rdev->usec_timeout; i++) {
7266		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
7267		if ((speed_cntl & LC_INITIATE_LINK_SPEED_CHANGE) == 0)
7268			break;
7269		udelay(1);
7270	}
7271}
7272
7273static void si_program_aspm(struct radeon_device *rdev)
7274{
7275	u32 data, orig;
7276	bool disable_l0s = false, disable_l1 = false, disable_plloff_in_l1 = false;
7277	bool disable_clkreq = false;
7278
7279	if (radeon_aspm == 0)
7280		return;
7281
7282	if (!(rdev->flags & RADEON_IS_PCIE))
7283		return;
7284
7285	orig = data = RREG32_PCIE_PORT(PCIE_LC_N_FTS_CNTL);
7286	data &= ~LC_XMIT_N_FTS_MASK;
7287	data |= LC_XMIT_N_FTS(0x24) | LC_XMIT_N_FTS_OVERRIDE_EN;
7288	if (orig != data)
7289		WREG32_PCIE_PORT(PCIE_LC_N_FTS_CNTL, data);
7290
7291	orig = data = RREG32_PCIE_PORT(PCIE_LC_CNTL3);
7292	data |= LC_GO_TO_RECOVERY;
7293	if (orig != data)
7294		WREG32_PCIE_PORT(PCIE_LC_CNTL3, data);
7295
7296	orig = data = RREG32_PCIE(PCIE_P_CNTL);
7297	data |= P_IGNORE_EDB_ERR;
7298	if (orig != data)
7299		WREG32_PCIE(PCIE_P_CNTL, data);
7300
7301	orig = data = RREG32_PCIE_PORT(PCIE_LC_CNTL);
7302	data &= ~(LC_L0S_INACTIVITY_MASK | LC_L1_INACTIVITY_MASK);
7303	data |= LC_PMI_TO_L1_DIS;
7304	if (!disable_l0s)
7305		data |= LC_L0S_INACTIVITY(7);
7306
7307	if (!disable_l1) {
7308		data |= LC_L1_INACTIVITY(7);
7309		data &= ~LC_PMI_TO_L1_DIS;
7310		if (orig != data)
7311			WREG32_PCIE_PORT(PCIE_LC_CNTL, data);
7312
7313		if (!disable_plloff_in_l1) {
7314			bool clk_req_support;
7315
7316			orig = data = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0);
7317			data &= ~(PLL_POWER_STATE_IN_OFF_0_MASK | PLL_POWER_STATE_IN_TXS2_0_MASK);
7318			data |= PLL_POWER_STATE_IN_OFF_0(7) | PLL_POWER_STATE_IN_TXS2_0(7);
7319			if (orig != data)
7320				WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0, data);
7321
7322			orig = data = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1);
7323			data &= ~(PLL_POWER_STATE_IN_OFF_1_MASK | PLL_POWER_STATE_IN_TXS2_1_MASK);
7324			data |= PLL_POWER_STATE_IN_OFF_1(7) | PLL_POWER_STATE_IN_TXS2_1(7);
7325			if (orig != data)
7326				WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1, data);
7327
7328			orig = data = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0);
7329			data &= ~(PLL_POWER_STATE_IN_OFF_0_MASK | PLL_POWER_STATE_IN_TXS2_0_MASK);
7330			data |= PLL_POWER_STATE_IN_OFF_0(7) | PLL_POWER_STATE_IN_TXS2_0(7);
7331			if (orig != data)
7332				WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0, data);
7333
7334			orig = data = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1);
7335			data &= ~(PLL_POWER_STATE_IN_OFF_1_MASK | PLL_POWER_STATE_IN_TXS2_1_MASK);
7336			data |= PLL_POWER_STATE_IN_OFF_1(7) | PLL_POWER_STATE_IN_TXS2_1(7);
7337			if (orig != data)
7338				WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1, data);
7339
7340			if ((rdev->family != CHIP_OLAND) && (rdev->family != CHIP_HAINAN)) {
7341				orig = data = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0);
7342				data &= ~PLL_RAMP_UP_TIME_0_MASK;
7343				if (orig != data)
7344					WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0, data);
7345
7346				orig = data = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1);
7347				data &= ~PLL_RAMP_UP_TIME_1_MASK;
7348				if (orig != data)
7349					WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1, data);
7350
7351				orig = data = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_2);
7352				data &= ~PLL_RAMP_UP_TIME_2_MASK;
7353				if (orig != data)
7354					WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_2, data);
7355
7356				orig = data = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_3);
7357				data &= ~PLL_RAMP_UP_TIME_3_MASK;
7358				if (orig != data)
7359					WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_3, data);
7360
7361				orig = data = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0);
7362				data &= ~PLL_RAMP_UP_TIME_0_MASK;
7363				if (orig != data)
7364					WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0, data);
7365
7366				orig = data = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1);
7367				data &= ~PLL_RAMP_UP_TIME_1_MASK;
7368				if (orig != data)
7369					WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1, data);
7370
7371				orig = data = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_2);
7372				data &= ~PLL_RAMP_UP_TIME_2_MASK;
7373				if (orig != data)
7374					WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_2, data);
7375
7376				orig = data = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_3);
7377				data &= ~PLL_RAMP_UP_TIME_3_MASK;
7378				if (orig != data)
7379					WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_3, data);
7380			}
7381			orig = data = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
7382			data &= ~LC_DYN_LANES_PWR_STATE_MASK;
7383			data |= LC_DYN_LANES_PWR_STATE(3);
7384			if (orig != data)
7385				WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, data);
7386
7387			orig = data = RREG32_PIF_PHY0(PB0_PIF_CNTL);
7388			data &= ~LS2_EXIT_TIME_MASK;
7389			if ((rdev->family == CHIP_OLAND) || (rdev->family == CHIP_HAINAN))
7390				data |= LS2_EXIT_TIME(5);
7391			if (orig != data)
7392				WREG32_PIF_PHY0(PB0_PIF_CNTL, data);
7393
7394			orig = data = RREG32_PIF_PHY1(PB1_PIF_CNTL);
7395			data &= ~LS2_EXIT_TIME_MASK;
7396			if ((rdev->family == CHIP_OLAND) || (rdev->family == CHIP_HAINAN))
7397				data |= LS2_EXIT_TIME(5);
7398			if (orig != data)
7399				WREG32_PIF_PHY1(PB1_PIF_CNTL, data);
7400
7401			if (!disable_clkreq &&
7402			    !pci_is_root_bus(rdev->pdev->bus)) {
7403				struct pci_dev *root = rdev->pdev->bus->self;
7404				u32 lnkcap;
7405
7406				clk_req_support = false;
7407				pcie_capability_read_dword(root, PCI_EXP_LNKCAP, &lnkcap);
7408				if (lnkcap & PCI_EXP_LNKCAP_CLKPM)
7409					clk_req_support = true;
7410			} else {
7411				clk_req_support = false;
7412			}
7413
7414			if (clk_req_support) {
7415				orig = data = RREG32_PCIE_PORT(PCIE_LC_CNTL2);
7416				data |= LC_ALLOW_PDWN_IN_L1 | LC_ALLOW_PDWN_IN_L23;
7417				if (orig != data)
7418					WREG32_PCIE_PORT(PCIE_LC_CNTL2, data);
7419
7420				orig = data = RREG32(THM_CLK_CNTL);
7421				data &= ~(CMON_CLK_SEL_MASK | TMON_CLK_SEL_MASK);
7422				data |= CMON_CLK_SEL(1) | TMON_CLK_SEL(1);
7423				if (orig != data)
7424					WREG32(THM_CLK_CNTL, data);
7425
7426				orig = data = RREG32(MISC_CLK_CNTL);
7427				data &= ~(DEEP_SLEEP_CLK_SEL_MASK | ZCLK_SEL_MASK);
7428				data |= DEEP_SLEEP_CLK_SEL(1) | ZCLK_SEL(1);
7429				if (orig != data)
7430					WREG32(MISC_CLK_CNTL, data);
7431
7432				orig = data = RREG32(CG_CLKPIN_CNTL);
7433				data &= ~BCLK_AS_XCLK;
7434				if (orig != data)
7435					WREG32(CG_CLKPIN_CNTL, data);
7436
7437				orig = data = RREG32(CG_CLKPIN_CNTL_2);
7438				data &= ~FORCE_BIF_REFCLK_EN;
7439				if (orig != data)
7440					WREG32(CG_CLKPIN_CNTL_2, data);
7441
7442				orig = data = RREG32(MPLL_BYPASSCLK_SEL);
7443				data &= ~MPLL_CLKOUT_SEL_MASK;
7444				data |= MPLL_CLKOUT_SEL(4);
7445				if (orig != data)
7446					WREG32(MPLL_BYPASSCLK_SEL, data);
7447
7448				orig = data = RREG32(SPLL_CNTL_MODE);
7449				data &= ~SPLL_REFCLK_SEL_MASK;
7450				if (orig != data)
7451					WREG32(SPLL_CNTL_MODE, data);
7452			}
7453		}
7454	} else {
7455		if (orig != data)
7456			WREG32_PCIE_PORT(PCIE_LC_CNTL, data);
7457	}
7458
7459	orig = data = RREG32_PCIE(PCIE_CNTL2);
7460	data |= SLV_MEM_LS_EN | MST_MEM_LS_EN | REPLAY_MEM_LS_EN;
7461	if (orig != data)
7462		WREG32_PCIE(PCIE_CNTL2, data);
7463
7464	if (!disable_l0s) {
7465		data = RREG32_PCIE_PORT(PCIE_LC_N_FTS_CNTL);
7466		if((data & LC_N_FTS_MASK) == LC_N_FTS_MASK) {
7467			data = RREG32_PCIE(PCIE_LC_STATUS1);
7468			if ((data & LC_REVERSE_XMIT) && (data & LC_REVERSE_RCVR)) {
7469				orig = data = RREG32_PCIE_PORT(PCIE_LC_CNTL);
7470				data &= ~LC_L0S_INACTIVITY_MASK;
7471				if (orig != data)
7472					WREG32_PCIE_PORT(PCIE_LC_CNTL, data);
7473			}
7474		}
7475	}
7476}
7477
7478static int si_vce_send_vcepll_ctlreq(struct radeon_device *rdev)
7479{
7480	unsigned i;
7481
7482	/* make sure VCEPLL_CTLREQ is deasserted */
7483	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL, 0, ~UPLL_CTLREQ_MASK);
7484
7485	mdelay(10);
7486
7487	/* assert UPLL_CTLREQ */
7488	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL, UPLL_CTLREQ_MASK, ~UPLL_CTLREQ_MASK);
7489
7490	/* wait for CTLACK and CTLACK2 to get asserted */
7491	for (i = 0; i < 100; ++i) {
7492		uint32_t mask = UPLL_CTLACK_MASK | UPLL_CTLACK2_MASK;
7493		if ((RREG32_SMC(CG_VCEPLL_FUNC_CNTL) & mask) == mask)
7494			break;
7495		mdelay(10);
7496	}
7497
7498	/* deassert UPLL_CTLREQ */
7499	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL, 0, ~UPLL_CTLREQ_MASK);
7500
7501	if (i == 100) {
7502		DRM_ERROR("Timeout setting UVD clocks!\n");
7503		return -ETIMEDOUT;
7504	}
7505
7506	return 0;
7507}
7508
7509int si_set_vce_clocks(struct radeon_device *rdev, u32 evclk, u32 ecclk)
7510{
7511	unsigned fb_div = 0, evclk_div = 0, ecclk_div = 0;
7512	int r;
7513
7514	/* bypass evclk and ecclk with bclk */
7515	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL_2,
7516		     EVCLK_SRC_SEL(1) | ECCLK_SRC_SEL(1),
7517		     ~(EVCLK_SRC_SEL_MASK | ECCLK_SRC_SEL_MASK));
7518
7519	/* put PLL in bypass mode */
7520	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL, VCEPLL_BYPASS_EN_MASK,
7521		     ~VCEPLL_BYPASS_EN_MASK);
7522
7523	if (!evclk || !ecclk) {
7524		/* keep the Bypass mode, put PLL to sleep */
7525		WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL, VCEPLL_SLEEP_MASK,
7526			     ~VCEPLL_SLEEP_MASK);
7527		return 0;
7528	}
7529
7530	r = radeon_uvd_calc_upll_dividers(rdev, evclk, ecclk, 125000, 250000,
7531					  16384, 0x03FFFFFF, 0, 128, 5,
7532					  &fb_div, &evclk_div, &ecclk_div);
7533	if (r)
7534		return r;
7535
7536	/* set RESET_ANTI_MUX to 0 */
7537	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL_5, 0, ~RESET_ANTI_MUX_MASK);
7538
7539	/* set VCO_MODE to 1 */
7540	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL, VCEPLL_VCO_MODE_MASK,
7541		     ~VCEPLL_VCO_MODE_MASK);
7542
7543	/* toggle VCEPLL_SLEEP to 1 then back to 0 */
7544	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL, VCEPLL_SLEEP_MASK,
7545		     ~VCEPLL_SLEEP_MASK);
7546	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL, 0, ~VCEPLL_SLEEP_MASK);
7547
7548	/* deassert VCEPLL_RESET */
7549	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL, 0, ~VCEPLL_RESET_MASK);
7550
7551	mdelay(1);
7552
7553	r = si_vce_send_vcepll_ctlreq(rdev);
7554	if (r)
7555		return r;
7556
7557	/* assert VCEPLL_RESET again */
7558	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL, VCEPLL_RESET_MASK, ~VCEPLL_RESET_MASK);
7559
7560	/* disable spread spectrum. */
7561	WREG32_SMC_P(CG_VCEPLL_SPREAD_SPECTRUM, 0, ~SSEN_MASK);
7562
7563	/* set feedback divider */
7564	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL_3, VCEPLL_FB_DIV(fb_div), ~VCEPLL_FB_DIV_MASK);
7565
7566	/* set ref divider to 0 */
7567	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL, 0, ~VCEPLL_REF_DIV_MASK);
7568
7569	/* set PDIV_A and PDIV_B */
7570	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL_2,
7571		     VCEPLL_PDIV_A(evclk_div) | VCEPLL_PDIV_B(ecclk_div),
7572		     ~(VCEPLL_PDIV_A_MASK | VCEPLL_PDIV_B_MASK));
7573
7574	/* give the PLL some time to settle */
7575	mdelay(15);
7576
7577	/* deassert PLL_RESET */
7578	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL, 0, ~VCEPLL_RESET_MASK);
7579
7580	mdelay(15);
7581
7582	/* switch from bypass mode to normal mode */
7583	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL, 0, ~VCEPLL_BYPASS_EN_MASK);
7584
7585	r = si_vce_send_vcepll_ctlreq(rdev);
7586	if (r)
7587		return r;
7588
7589	/* switch VCLK and DCLK selection */
7590	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL_2,
7591		     EVCLK_SRC_SEL(16) | ECCLK_SRC_SEL(16),
7592		     ~(EVCLK_SRC_SEL_MASK | ECCLK_SRC_SEL_MASK));
7593
7594	mdelay(100);
7595
7596	return 0;
7597}