drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c

   1 /*
   2  * Copyright 2015 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  */
  23
  24 #include "smumgr.h"
  25 #include "smu74.h"
  26 #include "smu_ucode_xfer_vi.h"
  27 #include "polaris10_smumgr.h"
  28 #include "smu74_discrete.h"
  29 #include "smu/smu_7_1_3_d.h"
  30 #include "smu/smu_7_1_3_sh_mask.h"
  31 #include "gmc/gmc_8_1_d.h"
  32 #include "gmc/gmc_8_1_sh_mask.h"
  33 #include "oss/oss_3_0_d.h"
  34 #include "gca/gfx_8_0_d.h"
  35 #include "bif/bif_5_0_d.h"
  36 #include "bif/bif_5_0_sh_mask.h"
  37 #include "polaris10_pwrvirus.h"
  38 #include "ppatomctrl.h"
  39 #include "pp_debug.h"
  40 #include "cgs_common.h"
  41
  42 #define POLARIS10_SMC_SIZE 0x20000
  43 #define VOLTAGE_SCALE 4
  44
  45 /* Microcode file is stored in this buffer */
  46 #define BUFFER_SIZE                 80000
  47 #define MAX_STRING_SIZE             15
  48 #define BUFFER_SIZETWO              131072  /* 128 *1024 */
  49
  50 #define SMC_RAM_END 0x40000
  51
  52 static const SMU74_Discrete_GraphicsLevel avfs_graphics_level_polaris10[8] = {
  53         /*  Min      pcie   DeepSleep Activity  CgSpll      CgSpll    CcPwr  CcPwr  Sclk         Enabled      Enabled                       Voltage    Power */
  54         /* Voltage, DpmLevel, DivId,  Level,  FuncCntl3,  FuncCntl4,  DynRm, DynRm1 Did, Padding,ForActivity, ForThrottle, UpHyst, DownHyst, DownHyst, Throttle */
  55         { 0x100ea446, 0x00, 0x03, 0x3200, 0, 0, 0, 0, 0, 0, 0x01, 0x01, 0x0a, 0x00, 0x00, 0x00, { 0x30750000, 0x3000, 0, 0x2600, 0, 0, 0x0004, 0x8f02, 0xffff, 0x2f00, 0x300e, 0x2700 } },
  56         { 0x400ea446, 0x01, 0x04, 0x3200, 0, 0, 0, 0, 0, 0, 0x01, 0x01, 0x0a, 0x00, 0x00, 0x00, { 0x409c0000, 0x2000, 0, 0x1e00, 1, 1, 0x0004, 0x8300, 0xffff, 0x1f00, 0xcb5e, 0x1a00 } },
  57         { 0x740ea446, 0x01, 0x00, 0x3200, 0, 0, 0, 0, 0, 0, 0x01, 0x01, 0x0a, 0x00, 0x00, 0x00, { 0x50c30000, 0x2800, 0, 0x2000, 1, 1, 0x0004, 0x0c02, 0xffff, 0x2700, 0x6433, 0x2100 } },
  58         { 0xa40ea446, 0x01, 0x00, 0x3200, 0, 0, 0, 0, 0, 0, 0x01, 0x01, 0x0a, 0x00, 0x00, 0x00, { 0x60ea0000, 0x3000, 0, 0x2600, 1, 1, 0x0004, 0x8f02, 0xffff, 0x2f00, 0x300e, 0x2700 } },
  59         { 0xd80ea446, 0x01, 0x00, 0x3200, 0, 0, 0, 0, 0, 0, 0x01, 0x01, 0x0a, 0x00, 0x00, 0x00, { 0x70110100, 0x3800, 0, 0x2c00, 1, 1, 0x0004, 0x1203, 0xffff, 0x3600, 0xc9e2, 0x2e00 } },
  60         { 0x3c0fa446, 0x01, 0x00, 0x3200, 0, 0, 0, 0, 0, 0, 0x01, 0x01, 0x0a, 0x00, 0x00, 0x00, { 0x80380100, 0x2000, 0, 0x1e00, 2, 1, 0x0004, 0x8300, 0xffff, 0x1f00, 0xcb5e, 0x1a00 } },
  61         { 0x6c0fa446, 0x01, 0x00, 0x3200, 0, 0, 0, 0, 0, 0, 0x01, 0x01, 0x0a, 0x00, 0x00, 0x00, { 0x905f0100, 0x2400, 0, 0x1e00, 2, 1, 0x0004, 0x8901, 0xffff, 0x2300, 0x314c, 0x1d00 } },
  62         { 0xa00fa446, 0x01, 0x00, 0x3200, 0, 0, 0, 0, 0, 0, 0x01, 0x01, 0x0a, 0x00, 0x00, 0x00, { 0xa0860100, 0x2800, 0, 0x2000, 2, 1, 0x0004, 0x0c02, 0xffff, 0x2700, 0x6433, 0x2100 } }
  63 };
  64
  65 static const SMU74_Discrete_MemoryLevel avfs_memory_level_polaris10 =
  66         {0x100ea446, 0, 0x30750000, 0x01, 0x01, 0x01, 0x00, 0x00, 0x64, 0x00, 0x00, 0x1f00, 0x00, 0x00};
  67
  68 /**
  69 * Set the address for reading/writing the SMC SRAM space.
  70 * @param    smumgr  the address of the powerplay hardware manager.
  71 * @param    smcAddress the address in the SMC RAM to access.
  72 */
  73 static int polaris10_set_smc_sram_address(struct pp_smumgr *smumgr, uint32_t smc_addr, uint32_t limit)
  74 {
  75         PP_ASSERT_WITH_CODE((0 == (3 & smc_addr)), "SMC address must be 4 byte aligned.", return -EINVAL);
  76         PP_ASSERT_WITH_CODE((limit > (smc_addr + 3)), "SMC addr is beyond the SMC RAM area.", return -EINVAL);
  77
  78         cgs_write_register(smumgr->device, mmSMC_IND_INDEX_11, smc_addr);
  79         SMUM_WRITE_FIELD(smumgr->device, SMC_IND_ACCESS_CNTL, AUTO_INCREMENT_IND_11, 0);
  80
  81         return 0;
  82 }
  83
  84 /**
  85 * Copy bytes from SMC RAM space into driver memory.
  86 *
  87 * @param    smumgr  the address of the powerplay SMU manager.
  88 * @param    smc_start_address the start address in the SMC RAM to copy bytes from
  89 * @param    src the byte array to copy the bytes to.
  90 * @param    byte_count the number of bytes to copy.
  91 */
  92 int polaris10_copy_bytes_from_smc(struct pp_smumgr *smumgr, uint32_t smc_start_address, uint32_t *dest, uint32_t byte_count, uint32_t limit)
  93 {
  94         uint32_t data;
  95         uint32_t addr;
  96         uint8_t *dest_byte;
  97         uint8_t i, data_byte[4] = {0};
  98         uint32_t *pdata = (uint32_t *)&data_byte;
  99
 100         PP_ASSERT_WITH_CODE((0 == (3 & smc_start_address)), "SMC address must be 4 byte aligned.", return -1;);
 101         PP_ASSERT_WITH_CODE((limit > (smc_start_address + byte_count)), "SMC address is beyond the SMC RAM area.", return -1);
 102
 103         addr = smc_start_address;
 104
 105         while (byte_count >= 4) {
 106                 polaris10_read_smc_sram_dword(smumgr, addr, &data, limit);
 107
 108                 *dest = PP_SMC_TO_HOST_UL(data);
 109
 110                 dest += 1;
 111                 byte_count -= 4;
 112                 addr += 4;
 113         }
 114
 115         if (byte_count) {
 116                 polaris10_read_smc_sram_dword(smumgr, addr, &data, limit);
 117                 *pdata = PP_SMC_TO_HOST_UL(data);
 118         /* Cast dest into byte type in dest_byte.  This way, we don't overflow if the allocated memory is not 4-byte aligned. */
 119                 dest_byte = (uint8_t *)dest;
 120                 for (i = 0; i < byte_count; i++)
 121                         dest_byte[i] = data_byte[i];
 122         }
 123
 124         return 0;
 125 }
 126
 127 /**
 128 * Copy bytes from an array into the SMC RAM space.
 129 *
 130 * @param    pSmuMgr  the address of the powerplay SMU manager.
 131 * @param    smc_start_address the start address in the SMC RAM to copy bytes to.
 132 * @param    src the byte array to copy the bytes from.
 133 * @param    byte_count the number of bytes to copy.
 134 */
 135 int polaris10_copy_bytes_to_smc(struct pp_smumgr *smumgr, uint32_t smc_start_address,
 136                                 const uint8_t *src, uint32_t byte_count, uint32_t limit)
 137 {
 138         int result;
 139         uint32_t data = 0;
 140         uint32_t original_data;
 141         uint32_t addr = 0;
 142         uint32_t extra_shift;
 143
 144         PP_ASSERT_WITH_CODE((0 == (3 & smc_start_address)), "SMC address must be 4 byte aligned.", return -1);
 145         PP_ASSERT_WITH_CODE((limit > (smc_start_address + byte_count)), "SMC address is beyond the SMC RAM area.", return -1);
 146
 147         addr = smc_start_address;
 148
 149         while (byte_count >= 4) {
 150         /* Bytes are written into the SMC addres space with the MSB first. */
 151                 data = src[0] * 0x1000000 + src[1] * 0x10000 + src[2] * 0x100 + src[3];
 152
 153                 result = polaris10_set_smc_sram_address(smumgr, addr, limit);
 154
 155                 if (0 != result)
 156                         return result;
 157
 158                 cgs_write_register(smumgr->device, mmSMC_IND_DATA_11, data);
 159
 160                 src += 4;
 161                 byte_count -= 4;
 162                 addr += 4;
 163         }
 164
 165         if (0 != byte_count) {
 166
 167                 data = 0;
 168
 169                 result = polaris10_set_smc_sram_address(smumgr, addr, limit);
 170
 171                 if (0 != result)
 172                         return result;
 173
 174
 175                 original_data = cgs_read_register(smumgr->device, mmSMC_IND_DATA_11);
 176
 177                 extra_shift = 8 * (4 - byte_count);
 178
 179                 while (byte_count > 0) {
 180                         /* Bytes are written into the SMC addres space with the MSB first. */
 181                         data = (0x100 * data) + *src++;
 182                         byte_count--;
 183                 }
 184
 185                 data <<= extra_shift;
 186
 187                 data |= (original_data & ~((~0UL) << extra_shift));
 188
 189                 result = polaris10_set_smc_sram_address(smumgr, addr, limit);
 190
 191                 if (0 != result)
 192                         return result;
 193
 194                 cgs_write_register(smumgr->device, mmSMC_IND_DATA_11, data);
 195         }
 196
 197         return 0;
 198 }
 199
 200
 201 static int polaris10_program_jump_on_start(struct pp_smumgr *smumgr)
 202 {
 203         static const unsigned char data[4] = { 0xE0, 0x00, 0x80, 0x40 };
 204
 205         polaris10_copy_bytes_to_smc(smumgr, 0x0, data, 4, sizeof(data)+1);
 206
 207         return 0;
 208 }
 209
 210 /**
 211 * Return if the SMC is currently running.
 212 *
 213 * @param    smumgr  the address of the powerplay hardware manager.
 214 */
 215 bool polaris10_is_smc_ram_running(struct pp_smumgr *smumgr)
 216 {
 217         return ((0 == SMUM_READ_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC, SMC_SYSCON_CLOCK_CNTL_0, ck_disable))
 218         && (0x20100 <= cgs_read_ind_register(smumgr->device, CGS_IND_REG__SMC, ixSMC_PC_C)));
 219 }
 220
 221 static bool polaris10_is_hw_avfs_present(struct pp_smumgr *smumgr)
 222 {
 223         uint32_t efuse;
 224
 225         efuse = cgs_read_ind_register(smumgr->device, CGS_IND_REG__SMC, ixSMU_EFUSE_0 + (49*4));
 226         efuse &= 0x00000001;
 227         if (efuse)
 228                 return true;
 229
 230         return false;
 231 }
 232
 233 /**
 234 * Send a message to the SMC, and wait for its response.
 235 *
 236 * @param    smumgr  the address of the powerplay hardware manager.
 237 * @param    msg the message to send.
 238 * @return   The response that came from the SMC.
 239 */
 240 int polaris10_send_msg_to_smc(struct pp_smumgr *smumgr, uint16_t msg)
 241 {
 242         int ret;
 243
 244         if (!polaris10_is_smc_ram_running(smumgr))
 245                 return -1;
 246
 247
 248         SMUM_WAIT_FIELD_UNEQUAL(smumgr, SMC_RESP_0, SMC_RESP, 0);
 249
 250         ret = SMUM_READ_FIELD(smumgr->device, SMC_RESP_0, SMC_RESP);
 251
 252         if (ret != 1)
 253                 printk("\n failed to send pre message %x ret is %d \n",  msg, ret);
 254
 255         cgs_write_register(smumgr->device, mmSMC_MESSAGE_0, msg);
 256
 257         SMUM_WAIT_FIELD_UNEQUAL(smumgr, SMC_RESP_0, SMC_RESP, 0);
 258
 259         ret = SMUM_READ_FIELD(smumgr->device, SMC_RESP_0, SMC_RESP);
 260
 261         if (ret != 1)
 262                 printk("\n failed to send message %x ret is %d \n",  msg, ret);
 263
 264         return 0;
 265 }
 266
 267
 268 /**
 269 * Send a message to the SMC, and do not wait for its response.
 270 *
 271 * @param    smumgr  the address of the powerplay hardware manager.
 272 * @param    msg the message to send.
 273 * @return   Always return 0.
 274 */
 275 int polaris10_send_msg_to_smc_without_waiting(struct pp_smumgr *smumgr, uint16_t msg)
 276 {
 277         cgs_write_register(smumgr->device, mmSMC_MESSAGE_0, msg);
 278
 279         return 0;
 280 }
 281
 282 /**
 283 * Send a message to the SMC with parameter
 284 *
 285 * @param    smumgr:  the address of the powerplay hardware manager.
 286 * @param    msg: the message to send.
 287 * @param    parameter: the parameter to send
 288 * @return   The response that came from the SMC.
 289 */
 290 int polaris10_send_msg_to_smc_with_parameter(struct pp_smumgr *smumgr, uint16_t msg, uint32_t parameter)
 291 {
 292         if (!polaris10_is_smc_ram_running(smumgr)) {
 293                 return -1;
 294         }
 295
 296         SMUM_WAIT_FIELD_UNEQUAL(smumgr, SMC_RESP_0, SMC_RESP, 0);
 297
 298         cgs_write_register(smumgr->device, mmSMC_MSG_ARG_0, parameter);
 299
 300         return polaris10_send_msg_to_smc(smumgr, msg);
 301 }
 302
 303
 304 /**
 305 * Send a message to the SMC with parameter, do not wait for response
 306 *
 307 * @param    smumgr:  the address of the powerplay hardware manager.
 308 * @param    msg: the message to send.
 309 * @param    parameter: the parameter to send
 310 * @return   The response that came from the SMC.
 311 */
 312 int polaris10_send_msg_to_smc_with_parameter_without_waiting(struct pp_smumgr *smumgr, uint16_t msg, uint32_t parameter)
 313 {
 314         cgs_write_register(smumgr->device, mmSMC_MSG_ARG_0, parameter);
 315
 316         return polaris10_send_msg_to_smc_without_waiting(smumgr, msg);
 317 }
 318
 319 int polaris10_send_msg_to_smc_offset(struct pp_smumgr *smumgr)
 320 {
 321         cgs_write_register(smumgr->device, mmSMC_MSG_ARG_0, 0x20000);
 322
 323         cgs_write_register(smumgr->device, mmSMC_MESSAGE_0, PPSMC_MSG_Test);
 324
 325         SMUM_WAIT_FIELD_UNEQUAL(smumgr, SMC_RESP_0, SMC_RESP, 0);
 326
 327         if (1 != SMUM_READ_FIELD(smumgr->device, SMC_RESP_0, SMC_RESP))
 328                 printk("Failed to send Message.\n");
 329
 330         return 0;
 331 }
 332
 333 /**
 334 * Wait until the SMC is doing nithing. Doing nothing means that the SMC is either turned off or it is sitting on the STOP instruction.
 335 *
 336 * @param    smumgr  the address of the powerplay hardware manager.
 337 * @param    msg the message to send.
 338 * @return   The response that came from the SMC.
 339 */
 340 int polaris10_wait_for_smc_inactive(struct pp_smumgr *smumgr)
 341 {
 342         /* If the SMC is not even on it qualifies as inactive. */
 343         if (!polaris10_is_smc_ram_running(smumgr))
 344                 return -1;
 345
 346         SMUM_WAIT_VFPF_INDIRECT_FIELD(smumgr, SMC_IND, SMC_SYSCON_CLOCK_CNTL_0, cken, 0);
 347         return 0;
 348 }
 349
 350
 351 /**
 352 * Upload the SMC firmware to the SMC microcontroller.
 353 *
 354 * @param    smumgr  the address of the powerplay hardware manager.
 355 * @param    pFirmware the data structure containing the various sections of the firmware.
 356 */
 357 static int polaris10_upload_smc_firmware_data(struct pp_smumgr *smumgr, uint32_t length, uint32_t *src, uint32_t limit)
 358 {
 359         uint32_t byte_count = length;
 360
 361         PP_ASSERT_WITH_CODE((limit >= byte_count), "SMC address is beyond the SMC RAM area.", return -1);
 362
 363         cgs_write_register(smumgr->device, mmSMC_IND_INDEX_11, 0x20000);
 364         SMUM_WRITE_FIELD(smumgr->device, SMC_IND_ACCESS_CNTL, AUTO_INCREMENT_IND_11, 1);
 365
 366         for (; byte_count >= 4; byte_count -= 4)
 367                 cgs_write_register(smumgr->device, mmSMC_IND_DATA_11, *src++);
 368
 369         SMUM_WRITE_FIELD(smumgr->device, SMC_IND_ACCESS_CNTL, AUTO_INCREMENT_IND_11, 0);
 370
 371         PP_ASSERT_WITH_CODE((0 == byte_count), "SMC size must be dividable by 4.", return -1);
 372
 373         return 0;
 374 }
 375
 376 static enum cgs_ucode_id polaris10_convert_fw_type_to_cgs(uint32_t fw_type)
 377 {
 378         enum cgs_ucode_id result = CGS_UCODE_ID_MAXIMUM;
 379
 380         switch (fw_type) {
 381         case UCODE_ID_SMU:
 382                 result = CGS_UCODE_ID_SMU;
 383                 break;
 384         case UCODE_ID_SMU_SK:
 385                 result = CGS_UCODE_ID_SMU_SK;
 386                 break;
 387         case UCODE_ID_SDMA0:
 388                 result = CGS_UCODE_ID_SDMA0;
 389                 break;
 390         case UCODE_ID_SDMA1:
 391                 result = CGS_UCODE_ID_SDMA1;
 392                 break;
 393         case UCODE_ID_CP_CE:
 394                 result = CGS_UCODE_ID_CP_CE;
 395                 break;
 396         case UCODE_ID_CP_PFP:
 397                 result = CGS_UCODE_ID_CP_PFP;
 398                 break;
 399         case UCODE_ID_CP_ME:
 400                 result = CGS_UCODE_ID_CP_ME;
 401                 break;
 402         case UCODE_ID_CP_MEC:
 403                 result = CGS_UCODE_ID_CP_MEC;
 404                 break;
 405         case UCODE_ID_CP_MEC_JT1:
 406                 result = CGS_UCODE_ID_CP_MEC_JT1;
 407                 break;
 408         case UCODE_ID_CP_MEC_JT2:
 409                 result = CGS_UCODE_ID_CP_MEC_JT2;
 410                 break;
 411         case UCODE_ID_RLC_G:
 412                 result = CGS_UCODE_ID_RLC_G;
 413                 break;
 414         default:
 415                 break;
 416         }
 417
 418         return result;
 419 }
 420
 421 static int polaris10_upload_smu_firmware_image(struct pp_smumgr *smumgr)
 422 {
 423         int result = 0;
 424         struct polaris10_smumgr *smu_data = (struct polaris10_smumgr *)(smumgr->backend);
 425
 426         struct cgs_firmware_info info = {0};
 427
 428         if (smu_data->security_hard_key == 1)
 429                 cgs_get_firmware_info(smumgr->device,
 430                         polaris10_convert_fw_type_to_cgs(UCODE_ID_SMU), &info);
 431         else
 432                 cgs_get_firmware_info(smumgr->device,
 433                         polaris10_convert_fw_type_to_cgs(UCODE_ID_SMU_SK), &info);
 434
 435         /* TO DO cgs_init_samu_load_smu(smumgr->device, (uint32_t *)info.kptr, info.image_size, smu_data->post_initial_boot);*/
 436         result = polaris10_upload_smc_firmware_data(smumgr, info.image_size, (uint32_t *)info.kptr, POLARIS10_SMC_SIZE);
 437
 438         return result;
 439 }
 440
 441 /**
 442 * Read a 32bit value from the SMC SRAM space.
 443 * ALL PARAMETERS ARE IN HOST BYTE ORDER.
 444 * @param    smumgr  the address of the powerplay hardware manager.
 445 * @param    smcAddress the address in the SMC RAM to access.
 446 * @param    value and output parameter for the data read from the SMC SRAM.
 447 */
 448 int polaris10_read_smc_sram_dword(struct pp_smumgr *smumgr, uint32_t smc_addr, uint32_t *value, uint32_t limit)
 449 {
 450         int result;
 451
 452         result = polaris10_set_smc_sram_address(smumgr, smc_addr, limit);
 453
 454         if (result)
 455                 return result;
 456
 457         *value = cgs_read_register(smumgr->device, mmSMC_IND_DATA_11);
 458         return 0;
 459 }
 460
 461 /**
 462 * Write a 32bit value to the SMC SRAM space.
 463 * ALL PARAMETERS ARE IN HOST BYTE ORDER.
 464 * @param    smumgr  the address of the powerplay hardware manager.
 465 * @param    smc_addr the address in the SMC RAM to access.
 466 * @param    value to write to the SMC SRAM.
 467 */
 468 int polaris10_write_smc_sram_dword(struct pp_smumgr *smumgr, uint32_t smc_addr, uint32_t value, uint32_t limit)
 469 {
 470         int result;
 471
 472         result = polaris10_set_smc_sram_address(smumgr, smc_addr, limit);
 473
 474         if (result)
 475                 return result;
 476
 477         cgs_write_register(smumgr->device, mmSMC_IND_DATA_11, value);
 478
 479         return 0;
 480 }
 481
 482
 483 int polaris10_smu_fini(struct pp_smumgr *smumgr)
 484 {
 485         if (smumgr->backend) {
 486                 kfree(smumgr->backend);
 487                 smumgr->backend = NULL;
 488         }
 489         cgs_rel_firmware(smumgr->device, CGS_UCODE_ID_SMU);
 490         return 0;
 491 }
 492
 493 /* Convert the firmware type to SMU type mask. For MEC, we need to check all MEC related type */
 494 static uint32_t polaris10_get_mask_for_firmware_type(uint32_t fw_type)
 495 {
 496         uint32_t result = 0;
 497
 498         switch (fw_type) {
 499         case UCODE_ID_SDMA0:
 500                 result = UCODE_ID_SDMA0_MASK;
 501                 break;
 502         case UCODE_ID_SDMA1:
 503                 result = UCODE_ID_SDMA1_MASK;
 504                 break;
 505         case UCODE_ID_CP_CE:
 506                 result = UCODE_ID_CP_CE_MASK;
 507                 break;
 508         case UCODE_ID_CP_PFP:
 509                 result = UCODE_ID_CP_PFP_MASK;
 510                 break;
 511         case UCODE_ID_CP_ME:
 512                 result = UCODE_ID_CP_ME_MASK;
 513                 break;
 514         case UCODE_ID_CP_MEC_JT1:
 515         case UCODE_ID_CP_MEC_JT2:
 516                 result = UCODE_ID_CP_MEC_MASK;
 517                 break;
 518         case UCODE_ID_RLC_G:
 519                 result = UCODE_ID_RLC_G_MASK;
 520                 break;
 521         default:
 522                 printk("UCode type is out of range! \n");
 523                 result = 0;
 524         }
 525
 526         return result;
 527 }
 528
 529 /* Populate one firmware image to the data structure */
 530
 531 static int polaris10_populate_single_firmware_entry(struct pp_smumgr *smumgr,
 532                                                 uint32_t fw_type,
 533                                                 struct SMU_Entry *entry)
 534 {
 535         int result = 0;
 536         struct cgs_firmware_info info = {0};
 537
 538         result = cgs_get_firmware_info(smumgr->device,
 539                                 polaris10_convert_fw_type_to_cgs(fw_type),
 540                                 &info);
 541
 542         if (!result) {
 543                 entry->version = info.version;
 544                 entry->id = (uint16_t)fw_type;
 545                 entry->image_addr_high = smu_upper_32_bits(info.mc_addr);
 546                 entry->image_addr_low = smu_lower_32_bits(info.mc_addr);
 547                 entry->meta_data_addr_high = 0;
 548                 entry->meta_data_addr_low = 0;
 549                 entry->data_size_byte = info.image_size;
 550                 entry->num_register_entries = 0;
 551         }
 552
 553         if (fw_type == UCODE_ID_RLC_G)
 554                 entry->flags = 1;
 555         else
 556                 entry->flags = 0;
 557
 558         return 0;
 559 }
 560
 561 static int polaris10_request_smu_load_fw(struct pp_smumgr *smumgr)
 562 {
 563         struct polaris10_smumgr *smu_data = (struct polaris10_smumgr *)(smumgr->backend);
 564         uint32_t fw_to_load;
 565
 566         int result = 0;
 567         struct SMU_DRAMData_TOC *toc;
 568
 569         if (!smumgr->reload_fw) {
 570                 printk(KERN_INFO "[ powerplay ] skip reloading...\n");
 571                 return 0;
 572         }
 573
 574         if (smu_data->soft_regs_start)
 575                 cgs_write_ind_register(smumgr->device, CGS_IND_REG__SMC,
 576                                         smu_data->soft_regs_start + offsetof(SMU74_SoftRegisters, UcodeLoadStatus),
 577                                         0x0);
 578
 579         polaris10_send_msg_to_smc_with_parameter(smumgr, PPSMC_MSG_SMU_DRAM_ADDR_HI, smu_data->smu_buffer.mc_addr_high);
 580         polaris10_send_msg_to_smc_with_parameter(smumgr, PPSMC_MSG_SMU_DRAM_ADDR_LO, smu_data->smu_buffer.mc_addr_low);
 581
 582         toc = (struct SMU_DRAMData_TOC *)smu_data->header;
 583         toc->num_entries = 0;
 584         toc->structure_version = 1;
 585
 586         PP_ASSERT_WITH_CODE(0 == polaris10_populate_single_firmware_entry(smumgr, UCODE_ID_RLC_G, &toc->entry[toc->num_entries++]), "Failed to Get Firmware Entry.", return -1);
 587         PP_ASSERT_WITH_CODE(0 == polaris10_populate_single_firmware_entry(smumgr, UCODE_ID_CP_CE, &toc->entry[toc->num_entries++]), "Failed to Get Firmware Entry.", return -1);
 588         PP_ASSERT_WITH_CODE(0 == polaris10_populate_single_firmware_entry(smumgr, UCODE_ID_CP_PFP, &toc->entry[toc->num_entries++]), "Failed to Get Firmware Entry.", return -1);
 589         PP_ASSERT_WITH_CODE(0 == polaris10_populate_single_firmware_entry(smumgr, UCODE_ID_CP_ME, &toc->entry[toc->num_entries++]), "Failed to Get Firmware Entry.", return -1);
 590         PP_ASSERT_WITH_CODE(0 == polaris10_populate_single_firmware_entry(smumgr, UCODE_ID_CP_MEC, &toc->entry[toc->num_entries++]), "Failed to Get Firmware Entry.", return -1);
 591         PP_ASSERT_WITH_CODE(0 == polaris10_populate_single_firmware_entry(smumgr, UCODE_ID_CP_MEC_JT1, &toc->entry[toc->num_entries++]), "Failed to Get Firmware Entry.", return -1);
 592         PP_ASSERT_WITH_CODE(0 == polaris10_populate_single_firmware_entry(smumgr, UCODE_ID_CP_MEC_JT2, &toc->entry[toc->num_entries++]), "Failed to Get Firmware Entry.", return -1);
 593         PP_ASSERT_WITH_CODE(0 == polaris10_populate_single_firmware_entry(smumgr, UCODE_ID_SDMA0, &toc->entry[toc->num_entries++]), "Failed to Get Firmware Entry.", return -1);
 594         PP_ASSERT_WITH_CODE(0 == polaris10_populate_single_firmware_entry(smumgr, UCODE_ID_SDMA1, &toc->entry[toc->num_entries++]), "Failed to Get Firmware Entry.", return -1);
 595
 596         polaris10_send_msg_to_smc_with_parameter(smumgr, PPSMC_MSG_DRV_DRAM_ADDR_HI, smu_data->header_buffer.mc_addr_high);
 597         polaris10_send_msg_to_smc_with_parameter(smumgr, PPSMC_MSG_DRV_DRAM_ADDR_LO, smu_data->header_buffer.mc_addr_low);
 598
 599         fw_to_load = UCODE_ID_RLC_G_MASK
 600                    + UCODE_ID_SDMA0_MASK
 601                    + UCODE_ID_SDMA1_MASK
 602                    + UCODE_ID_CP_CE_MASK
 603                    + UCODE_ID_CP_ME_MASK
 604                    + UCODE_ID_CP_PFP_MASK
 605                    + UCODE_ID_CP_MEC_MASK;
 606
 607         if (polaris10_send_msg_to_smc_with_parameter(smumgr, PPSMC_MSG_LoadUcodes, fw_to_load))
 608                 printk(KERN_ERR "Fail to Request SMU Load uCode");
 609
 610         return result;
 611 }
 612
 613 /* Check if the FW has been loaded, SMU will not return if loading has not finished. */
 614 static int polaris10_check_fw_load_finish(struct pp_smumgr *smumgr, uint32_t fw_type)
 615 {
 616         struct polaris10_smumgr *smu_data = (struct polaris10_smumgr *)(smumgr->backend);
 617         uint32_t fw_mask = polaris10_get_mask_for_firmware_type(fw_type);
 618         uint32_t ret;
 619         /* Check SOFT_REGISTERS_TABLE_28.UcodeLoadStatus */
 620         ret = smum_wait_on_indirect_register(smumgr, mmSMC_IND_INDEX_11,
 621                                         smu_data->soft_regs_start + offsetof(SMU74_SoftRegisters, UcodeLoadStatus),
 622                                         fw_mask, fw_mask);
 623
 624         return ret;
 625 }
 626
 627 static int polaris10_reload_firmware(struct pp_smumgr *smumgr)
 628 {
 629         return smumgr->smumgr_funcs->start_smu(smumgr);
 630 }
 631
 632 static int polaris10_setup_pwr_virus(struct pp_smumgr *smumgr)
 633 {
 634         int i;
 635         int result = -1;
 636         uint32_t reg, data;
 637
 638         const PWR_Command_Table *pvirus = pwr_virus_table;
 639         struct polaris10_smumgr *smu_data = (struct polaris10_smumgr *)(smumgr->backend);
 640
 641
 642         for (i = 0; i < PWR_VIRUS_TABLE_SIZE; i++) {
 643                 switch (pvirus->command) {
 644                 case PwrCmdWrite:
 645                         reg  = pvirus->reg;
 646                         data = pvirus->data;
 647                         cgs_write_register(smumgr->device, reg, data);
 648                         break;
 649
 650                 case PwrCmdEnd:
 651                         result = 0;
 652                         break;
 653
 654                 default:
 655                         printk("Table Exit with Invalid Command!");
 656                         smu_data->avfs.avfs_btc_status = AVFS_BTC_VIRUS_FAIL;
 657                         result = -1;
 658                         break;
 659                 }
 660                 pvirus++;
 661         }
 662
 663         return result;
 664 }
 665
 666 static int polaris10_perform_btc(struct pp_smumgr *smumgr)
 667 {
 668         int result = 0;
 669         struct polaris10_smumgr *smu_data = (struct polaris10_smumgr *)(smumgr->backend);
 670
 671         if (0 != smu_data->avfs.avfs_btc_param) {
 672                 if (0 != polaris10_send_msg_to_smc_with_parameter(smumgr, PPSMC_MSG_PerformBtc, smu_data->avfs.avfs_btc_param)) {
 673                         printk("[AVFS][SmuPolaris10_PerformBtc] PerformBTC SMU msg failed");
 674                         result = -1;
 675                 }
 676         }
 677         if (smu_data->avfs.avfs_btc_param > 1) {
 678                 /* Soft-Reset to reset the engine before loading uCode */
 679                 /* halt */
 680                 cgs_write_register(smumgr->device, mmCP_MEC_CNTL, 0x50000000);
 681                 /* reset everything */
 682                 cgs_write_register(smumgr->device, mmGRBM_SOFT_RESET, 0xffffffff);
 683                 cgs_write_register(smumgr->device, mmGRBM_SOFT_RESET, 0);
 684         }
 685         return result;
 686 }
 687
 688
 689 int polaris10_setup_graphics_level_structure(struct pp_smumgr *smumgr)
 690 {
 691         uint32_t vr_config;
 692         uint32_t dpm_table_start;
 693
 694         uint16_t u16_boot_mvdd;
 695         uint32_t graphics_level_address, vr_config_address, graphics_level_size;
 696
 697         graphics_level_size = sizeof(avfs_graphics_level_polaris10);
 698         u16_boot_mvdd = PP_HOST_TO_SMC_US(1300 * VOLTAGE_SCALE);
 699
 700         PP_ASSERT_WITH_CODE(0 == polaris10_read_smc_sram_dword(smumgr,
 701                                 SMU7_FIRMWARE_HEADER_LOCATION + offsetof(SMU74_Firmware_Header, DpmTable),
 702                                 &dpm_table_start, 0x40000),
 703                         "[AVFS][Polaris10_SetupGfxLvlStruct] SMU could not communicate starting address of DPM table",
 704                         return -1);
 705
 706         /*  Default value for VRConfig = VR_MERGED_WITH_VDDC + VR_STATIC_VOLTAGE(VDDCI) */
 707         vr_config = 0x01000500; /* Real value:0x50001 */
 708
 709         vr_config_address = dpm_table_start + offsetof(SMU74_Discrete_DpmTable, VRConfig);
 710
 711         PP_ASSERT_WITH_CODE(0 == polaris10_copy_bytes_to_smc(smumgr, vr_config_address,
 712                                 (uint8_t *)&vr_config, sizeof(uint32_t), 0x40000),
 713                         "[AVFS][Polaris10_SetupGfxLvlStruct] Problems copying VRConfig value over to SMC",
 714                         return -1);
 715
 716         graphics_level_address = dpm_table_start + offsetof(SMU74_Discrete_DpmTable, GraphicsLevel);
 717
 718         PP_ASSERT_WITH_CODE(0 == polaris10_copy_bytes_to_smc(smumgr, graphics_level_address,
 719                                 (uint8_t *)(&avfs_graphics_level_polaris10),
 720                                 graphics_level_size, 0x40000),
 721                         "[AVFS][Polaris10_SetupGfxLvlStruct] Copying of SCLK DPM table failed!",
 722                         return -1);
 723
 724         graphics_level_address = dpm_table_start + offsetof(SMU74_Discrete_DpmTable, MemoryLevel);
 725
 726         PP_ASSERT_WITH_CODE(0 == polaris10_copy_bytes_to_smc(smumgr, graphics_level_address,
 727                                 (uint8_t *)(&avfs_memory_level_polaris10), sizeof(avfs_memory_level_polaris10), 0x40000),
 728                                 "[AVFS][Polaris10_SetupGfxLvlStruct] Copying of MCLK DPM table failed!",
 729                         return -1);
 730
 731         /* MVDD Boot value - neccessary for getting rid of the hang that occurs during Mclk DPM enablement */
 732
 733         graphics_level_address = dpm_table_start + offsetof(SMU74_Discrete_DpmTable, BootMVdd);
 734
 735         PP_ASSERT_WITH_CODE(0 == polaris10_copy_bytes_to_smc(smumgr, graphics_level_address,
 736                         (uint8_t *)(&u16_boot_mvdd), sizeof(u16_boot_mvdd), 0x40000),
 737                         "[AVFS][Polaris10_SetupGfxLvlStruct] Copying of DPM table failed!",
 738                         return -1);
 739
 740         return 0;
 741 }
 742
 743 int polaris10_avfs_event_mgr(struct pp_smumgr *smumgr, bool SMU_VFT_INTACT)
 744 {
 745         struct polaris10_smumgr *smu_data = (struct polaris10_smumgr *)(smumgr->backend);
 746
 747         switch (smu_data->avfs.avfs_btc_status) {
 748         case AVFS_BTC_COMPLETED_PREVIOUSLY:
 749                 break;
 750
 751         case AVFS_BTC_BOOT: /* Cold Boot State - Post SMU Start */
 752
 753                 smu_data->avfs.avfs_btc_status = AVFS_BTC_DPMTABLESETUP_FAILED;
 754                 PP_ASSERT_WITH_CODE(0 == polaris10_setup_graphics_level_structure(smumgr),
 755                 "[AVFS][Polaris10_AVFSEventMgr] Could not Copy Graphics Level table over to SMU",
 756                 return -1);
 757
 758                 if (smu_data->avfs.avfs_btc_param > 1) {
 759                         printk("[AVFS][Polaris10_AVFSEventMgr] AC BTC has not been successfully verified on Fiji. There may be in this setting.");
 760                         smu_data->avfs.avfs_btc_status = AVFS_BTC_VIRUS_FAIL;
 761                         PP_ASSERT_WITH_CODE(-1 == polaris10_setup_pwr_virus(smumgr),
 762                         "[AVFS][Polaris10_AVFSEventMgr] Could not setup Pwr Virus for AVFS ",
 763                         return -1);
 764                 }
 765
 766                 smu_data->avfs.avfs_btc_status = AVFS_BTC_FAILED;
 767                 PP_ASSERT_WITH_CODE(0 == polaris10_perform_btc(smumgr),
 768                                         "[AVFS][Polaris10_AVFSEventMgr] Failure at SmuPolaris10_PerformBTC. AVFS Disabled",
 769                                  return -1);
 770
 771                 break;
 772
 773         case AVFS_BTC_DISABLED:
 774         case AVFS_BTC_NOTSUPPORTED:
 775                 break;
 776
 777         default:
 778                 printk("[AVFS] Something is broken. See log!");
 779                 break;
 780         }
 781
 782         return 0;
 783 }
 784
 785 static int polaris10_start_smu_in_protection_mode(struct pp_smumgr *smumgr)
 786 {
 787         int result = 0;
 788
 789         /* Wait for smc boot up */
 790         /* SMUM_WAIT_VFPF_INDIRECT_FIELD_UNEQUAL(smumgr, SMC_IND, RCU_UC_EVENTS, boot_seq_done, 0) */
 791
 792         /* Assert reset */
 793         SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC,
 794                                         SMC_SYSCON_RESET_CNTL, rst_reg, 1);
 795
 796         result = polaris10_upload_smu_firmware_image(smumgr);
 797         if (result != 0)
 798                 return result;
 799
 800         /* Clear status */
 801         cgs_write_ind_register(smumgr->device, CGS_IND_REG__SMC, ixSMU_STATUS, 0);
 802
 803         SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC,
 804                                         SMC_SYSCON_CLOCK_CNTL_0, ck_disable, 0);
 805
 806         /* De-assert reset */
 807         SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC,
 808                                         SMC_SYSCON_RESET_CNTL, rst_reg, 0);
 809
 810
 811         SMUM_WAIT_VFPF_INDIRECT_FIELD(smumgr, SMC_IND, RCU_UC_EVENTS, INTERRUPTS_ENABLED, 1);
 812
 813
 814         /* Call Test SMU message with 0x20000 offset to trigger SMU start */
 815         polaris10_send_msg_to_smc_offset(smumgr);
 816
 817         /* Wait done bit to be set */
 818         /* Check pass/failed indicator */
 819
 820         SMUM_WAIT_VFPF_INDIRECT_FIELD_UNEQUAL(smumgr, SMC_IND, SMU_STATUS, SMU_DONE, 0);
 821
 822         if (1 != SMUM_READ_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC,
 823                                                 SMU_STATUS, SMU_PASS))
 824                 PP_ASSERT_WITH_CODE(false, "SMU Firmware start failed!", return -1);
 825
 826         cgs_write_ind_register(smumgr->device, CGS_IND_REG__SMC, ixFIRMWARE_FLAGS, 0);
 827
 828         SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC,
 829                                         SMC_SYSCON_RESET_CNTL, rst_reg, 1);
 830
 831         SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC,
 832                                         SMC_SYSCON_RESET_CNTL, rst_reg, 0);
 833
 834         /* Wait for firmware to initialize */
 835         SMUM_WAIT_VFPF_INDIRECT_FIELD(smumgr, SMC_IND, FIRMWARE_FLAGS, INTERRUPTS_ENABLED, 1);
 836
 837         return result;
 838 }
 839
 840 static int polaris10_start_smu_in_non_protection_mode(struct pp_smumgr *smumgr)
 841 {
 842         int result = 0;
 843
 844         /* wait for smc boot up */
 845         SMUM_WAIT_VFPF_INDIRECT_FIELD_UNEQUAL(smumgr, SMC_IND, RCU_UC_EVENTS, boot_seq_done, 0);
 846
 847         /* Clear firmware interrupt enable flag */
 848         /* SMUM_WRITE_VFPF_INDIRECT_FIELD(pSmuMgr, SMC_IND, SMC_SYSCON_MISC_CNTL, pre_fetcher_en, 1); */
 849         cgs_write_ind_register(smumgr->device, CGS_IND_REG__SMC,
 850                                 ixFIRMWARE_FLAGS, 0);
 851
 852         SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC,
 853                                         SMC_SYSCON_RESET_CNTL,
 854                                         rst_reg, 1);
 855
 856         result = polaris10_upload_smu_firmware_image(smumgr);
 857         if (result != 0)
 858                 return result;
 859
 860         /* Set smc instruct start point at 0x0 */
 861         polaris10_program_jump_on_start(smumgr);
 862
 863         SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC,
 864                                         SMC_SYSCON_CLOCK_CNTL_0, ck_disable, 0);
 865
 866         SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC,
 867                                         SMC_SYSCON_RESET_CNTL, rst_reg, 0);
 868
 869         /* Wait for firmware to initialize */
 870
 871         SMUM_WAIT_VFPF_INDIRECT_FIELD(smumgr, SMC_IND,
 872                                         FIRMWARE_FLAGS, INTERRUPTS_ENABLED, 1);
 873
 874         return result;
 875 }
 876
 877 static int polaris10_start_smu(struct pp_smumgr *smumgr)
 878 {
 879         int result = 0;
 880         struct polaris10_smumgr *smu_data = (struct polaris10_smumgr *)(smumgr->backend);
 881         bool SMU_VFT_INTACT;
 882
 883         /* Only start SMC if SMC RAM is not running */
 884         if (!polaris10_is_smc_ram_running(smumgr)) {
 885                 SMU_VFT_INTACT = false;
 886                 smu_data->protected_mode = (uint8_t) (SMUM_READ_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC, SMU_FIRMWARE, SMU_MODE));
 887                 smu_data->security_hard_key = (uint8_t) (SMUM_READ_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC, SMU_FIRMWARE, SMU_SEL));
 888
 889                 /* Check if SMU is running in protected mode */
 890                 if (smu_data->protected_mode == 0) {
 891                         result = polaris10_start_smu_in_non_protection_mode(smumgr);
 892                 } else {
 893                         result = polaris10_start_smu_in_protection_mode(smumgr);
 894
 895                         /* If failed, try with different security Key. */
 896                         if (result != 0) {
 897                                 smu_data->security_hard_key ^= 1;
 898                                 result = polaris10_start_smu_in_protection_mode(smumgr);
 899                         }
 900                 }
 901
 902                 if (result != 0)
 903                         PP_ASSERT_WITH_CODE(0, "Failed to load SMU ucode.", return result);
 904
 905                 polaris10_avfs_event_mgr(smumgr, true);
 906         } else
 907                 SMU_VFT_INTACT = true; /*Driver went offline but SMU was still alive and contains the VFT table */
 908
 909         smu_data->post_initial_boot = true;
 910         polaris10_avfs_event_mgr(smumgr, SMU_VFT_INTACT);
 911         /* Setup SoftRegsStart here for register lookup in case DummyBackEnd is used and ProcessFirmwareHeader is not executed */
 912         polaris10_read_smc_sram_dword(smumgr, SMU7_FIRMWARE_HEADER_LOCATION + offsetof(SMU74_Firmware_Header, SoftRegisters),
 913                                         &(smu_data->soft_regs_start), 0x40000);
 914
 915         result = polaris10_request_smu_load_fw(smumgr);
 916
 917         return result;
 918 }
 919
 920 static int polaris10_smu_init(struct pp_smumgr *smumgr)
 921 {
 922         struct polaris10_smumgr *smu_data;
 923         uint8_t *internal_buf;
 924         uint64_t mc_addr = 0;
 925         /* Allocate memory for backend private data */
 926         smu_data = (struct polaris10_smumgr *)(smumgr->backend);
 927         smu_data->header_buffer.data_size =
 928                 ((sizeof(struct SMU_DRAMData_TOC) / 4096) + 1) * 4096;
 929         smu_data->smu_buffer.data_size = 200*4096;
 930         smu_data->avfs.avfs_btc_status = AVFS_BTC_NOTSUPPORTED;
 931 /* Allocate FW image data structure and header buffer and
 932  * send the header buffer address to SMU */
 933         smu_allocate_memory(smumgr->device,
 934                 smu_data->header_buffer.data_size,
 935                 CGS_GPU_MEM_TYPE__VISIBLE_CONTIG_FB,
 936                 PAGE_SIZE,
 937                 &mc_addr,
 938                 &smu_data->header_buffer.kaddr,
 939                 &smu_data->header_buffer.handle);
 940
 941         smu_data->header = smu_data->header_buffer.kaddr;
 942         smu_data->header_buffer.mc_addr_high = smu_upper_32_bits(mc_addr);
 943         smu_data->header_buffer.mc_addr_low = smu_lower_32_bits(mc_addr);
 944
 945         PP_ASSERT_WITH_CODE((NULL != smu_data->header),
 946                 "Out of memory.",
 947                 kfree(smumgr->backend);
 948                 cgs_free_gpu_mem(smumgr->device,
 949                 (cgs_handle_t)smu_data->header_buffer.handle);
 950                 return -1);
 951
 952 /* Allocate buffer for SMU internal buffer and send the address to SMU.
 953  * Iceland SMU does not need internal buffer.*/
 954         smu_allocate_memory(smumgr->device,
 955                 smu_data->smu_buffer.data_size,
 956                 CGS_GPU_MEM_TYPE__VISIBLE_CONTIG_FB,
 957                 PAGE_SIZE,
 958                 &mc_addr,
 959                 &smu_data->smu_buffer.kaddr,
 960                 &smu_data->smu_buffer.handle);
 961
 962         internal_buf = smu_data->smu_buffer.kaddr;
 963         smu_data->smu_buffer.mc_addr_high = smu_upper_32_bits(mc_addr);
 964         smu_data->smu_buffer.mc_addr_low = smu_lower_32_bits(mc_addr);
 965
 966         PP_ASSERT_WITH_CODE((NULL != internal_buf),
 967                 "Out of memory.",
 968                 kfree(smumgr->backend);
 969                 cgs_free_gpu_mem(smumgr->device,
 970                 (cgs_handle_t)smu_data->smu_buffer.handle);
 971                 return -1;);
 972
 973         if (polaris10_is_hw_avfs_present(smumgr))
 974                 smu_data->avfs.avfs_btc_status = AVFS_BTC_BOOT;
 975         else
 976                 smu_data->avfs.avfs_btc_status = AVFS_BTC_NOTSUPPORTED;
 977
 978         return 0;
 979 }
 980
 981 static const struct pp_smumgr_func ellsemere_smu_funcs = {
 982         .smu_init = polaris10_smu_init,
 983         .smu_fini = polaris10_smu_fini,
 984         .start_smu = polaris10_start_smu,
 985         .check_fw_load_finish = polaris10_check_fw_load_finish,
 986         .request_smu_load_fw = polaris10_reload_firmware,
 987         .request_smu_load_specific_fw = NULL,
 988         .send_msg_to_smc = polaris10_send_msg_to_smc,
 989         .send_msg_to_smc_with_parameter = polaris10_send_msg_to_smc_with_parameter,
 990         .download_pptable_settings = NULL,
 991         .upload_pptable_settings = NULL,
 992 };
 993
 994 int polaris10_smum_init(struct pp_smumgr *smumgr)
 995 {
 996         struct polaris10_smumgr *polaris10_smu = NULL;
 997
 998         polaris10_smu = kzalloc(sizeof(struct polaris10_smumgr), GFP_KERNEL);
 999
1000         if (polaris10_smu == NULL)
1001                 return -1;
1002
1003         smumgr->backend = polaris10_smu;
1004         smumgr->smumgr_funcs = &ellsemere_smu_funcs;
1005
1006         return 0;
1007 }