drivers/gpu/drm/amd/amdgpu/psp_v10_0.c

   1 /*
   2  * Copyright 2016 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  * Author: Huang Rui
  23  *
  24  */
  25
  26 #include <linux/firmware.h>
  27 #include "amdgpu.h"
  28 #include "amdgpu_psp.h"
  29 #include "amdgpu_ucode.h"
  30 #include "soc15_common.h"
  31 #include "psp_v10_0.h"
  32
  33 #include "vega10/soc15ip.h"
  34 #include "raven1/MP/mp_10_0_offset.h"
  35 #include "raven1/GC/gc_9_1_offset.h"
  36 #include "raven1/SDMA0/sdma0_4_1_offset.h"
  37
  38 static int
  39 psp_v10_0_get_fw_type(struct amdgpu_firmware_info *ucode, enum psp_gfx_fw_type *type)
  40 {
  41         switch(ucode->ucode_id) {
  42         case AMDGPU_UCODE_ID_SDMA0:
  43                 *type = GFX_FW_TYPE_SDMA0;
  44                 break;
  45         case AMDGPU_UCODE_ID_SDMA1:
  46                 *type = GFX_FW_TYPE_SDMA1;
  47                 break;
  48         case AMDGPU_UCODE_ID_CP_CE:
  49                 *type = GFX_FW_TYPE_CP_CE;
  50                 break;
  51         case AMDGPU_UCODE_ID_CP_PFP:
  52                 *type = GFX_FW_TYPE_CP_PFP;
  53                 break;
  54         case AMDGPU_UCODE_ID_CP_ME:
  55                 *type = GFX_FW_TYPE_CP_ME;
  56                 break;
  57         case AMDGPU_UCODE_ID_CP_MEC1:
  58                 *type = GFX_FW_TYPE_CP_MEC;
  59                 break;
  60         case AMDGPU_UCODE_ID_CP_MEC1_JT:
  61                 *type = GFX_FW_TYPE_CP_MEC_ME1;
  62                 break;
  63         case AMDGPU_UCODE_ID_CP_MEC2:
  64                 *type = GFX_FW_TYPE_CP_MEC;
  65                 break;
  66         case AMDGPU_UCODE_ID_CP_MEC2_JT:
  67                 *type = GFX_FW_TYPE_CP_MEC_ME2;
  68                 break;
  69         case AMDGPU_UCODE_ID_RLC_G:
  70                 *type = GFX_FW_TYPE_RLC_G;
  71                 break;
  72         case AMDGPU_UCODE_ID_SMC:
  73                 *type = GFX_FW_TYPE_SMU;
  74                 break;
  75         case AMDGPU_UCODE_ID_UVD:
  76                 *type = GFX_FW_TYPE_UVD;
  77                 break;
  78         case AMDGPU_UCODE_ID_VCE:
  79                 *type = GFX_FW_TYPE_VCE;
  80                 break;
  81         case AMDGPU_UCODE_ID_MAXIMUM:
  82         default:
  83                 return -EINVAL;
  84         }
  85
  86         return 0;
  87 }
  88
  89 int psp_v10_0_init_microcode(struct psp_context *psp)
  90 {
  91         struct amdgpu_device *adev = psp->adev;
  92         const char *chip_name;
  93         char fw_name[30];
  94         int err = 0;
  95         const struct psp_firmware_header_v1_0 *hdr;
  96
  97         DRM_DEBUG("\n");
  98
  99         switch (adev->asic_type) {
 100         case CHIP_RAVEN:
 101                 chip_name = "raven";
 102                 break;
 103         default: BUG();
 104         }
 105
 106         snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_asd.bin", chip_name);
 107         err = request_firmware(&adev->psp.asd_fw, fw_name, adev->dev);
 108         if (err)
 109                 goto out;
 110
 111         err = amdgpu_ucode_validate(adev->psp.asd_fw);
 112         if (err)
 113                 goto out;
 114
 115         hdr = (const struct psp_firmware_header_v1_0 *)adev->psp.asd_fw->data;
 116         adev->psp.asd_fw_version = le32_to_cpu(hdr->header.ucode_version);
 117         adev->psp.asd_feature_version = le32_to_cpu(hdr->ucode_feature_version);
 118         adev->psp.asd_ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes);
 119         adev->psp.asd_start_addr = (uint8_t *)hdr +
 120                                 le32_to_cpu(hdr->header.ucode_array_offset_bytes);
 121
 122         return 0;
 123 out:
 124         if (err) {
 125                 dev_err(adev->dev,
 126                         "psp v10.0: Failed to load firmware \"%s\"\n",
 127                         fw_name);
 128                 release_firmware(adev->psp.asd_fw);
 129                 adev->psp.asd_fw = NULL;
 130         }
 131
 132         return err;
 133 }
 134
 135 int psp_v10_0_prep_cmd_buf(struct amdgpu_firmware_info *ucode, struct psp_gfx_cmd_resp *cmd)
 136 {
 137         int ret;
 138         uint64_t fw_mem_mc_addr = ucode->mc_addr;
 139         struct  common_firmware_header *header;
 140
 141         memset(cmd, 0, sizeof(struct psp_gfx_cmd_resp));
 142         header = (struct common_firmware_header *)ucode->fw;
 143
 144         cmd->cmd_id = GFX_CMD_ID_LOAD_IP_FW;
 145         cmd->cmd.cmd_load_ip_fw.fw_phy_addr_lo = lower_32_bits(fw_mem_mc_addr);
 146         cmd->cmd.cmd_load_ip_fw.fw_phy_addr_hi = upper_32_bits(fw_mem_mc_addr);
 147         cmd->cmd.cmd_load_ip_fw.fw_size = le32_to_cpu(header->ucode_size_bytes);
 148
 149         ret = psp_v10_0_get_fw_type(ucode, &cmd->cmd.cmd_load_ip_fw.fw_type);
 150         if (ret)
 151                 DRM_ERROR("Unknown firmware type\n");
 152
 153         return ret;
 154 }
 155
 156 int psp_v10_0_ring_init(struct psp_context *psp, enum psp_ring_type ring_type)
 157 {
 158         int ret = 0;
 159         struct psp_ring *ring;
 160         struct amdgpu_device *adev = psp->adev;
 161
 162         ring = &psp->km_ring;
 163
 164         ring->ring_type = ring_type;
 165
 166         /* allocate 4k Page of Local Frame Buffer memory for ring */
 167         ring->ring_size = 0x1000;
 168         ret = amdgpu_bo_create_kernel(adev, ring->ring_size, PAGE_SIZE,
 169                                       AMDGPU_GEM_DOMAIN_VRAM,
 170                                       &adev->firmware.rbuf,
 171                                       &ring->ring_mem_mc_addr,
 172                                       (void **)&ring->ring_mem);
 173         if (ret) {
 174                 ring->ring_size = 0;
 175                 return ret;
 176         }
 177
 178         return 0;
 179 }
 180
 181 int psp_v10_0_ring_create(struct psp_context *psp, enum psp_ring_type ring_type)
 182 {
 183         int ret = 0;
 184         unsigned int psp_ring_reg = 0;
 185         struct psp_ring *ring = &psp->km_ring;
 186         struct amdgpu_device *adev = psp->adev;
 187
 188         /* Write low address of the ring to C2PMSG_69 */
 189         psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
 190         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, psp_ring_reg);
 191         /* Write high address of the ring to C2PMSG_70 */
 192         psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
 193         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, psp_ring_reg);
 194         /* Write size of ring to C2PMSG_71 */
 195         psp_ring_reg = ring->ring_size;
 196         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_71, psp_ring_reg);
 197         /* Write the ring initialization command to C2PMSG_64 */
 198         psp_ring_reg = ring_type;
 199         psp_ring_reg = psp_ring_reg << 16;
 200         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg);
 201
 202         /* There might be handshake issue with hardware which needs delay */
 203         mdelay(20);
 204
 205         /* Wait for response flag (bit 31) in C2PMSG_64 */
 206         ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
 207                            0x80000000, 0x8000FFFF, false);
 208
 209         return ret;
 210 }
 211
 212 int psp_v10_0_ring_destroy(struct psp_context *psp, enum psp_ring_type ring_type)
 213 {
 214         int ret = 0;
 215         struct psp_ring *ring;
 216         unsigned int psp_ring_reg = 0;
 217         struct amdgpu_device *adev = psp->adev;
 218
 219         ring = &psp->km_ring;
 220
 221         /* Write the ring destroy command to C2PMSG_64 */
 222         psp_ring_reg = 3 << 16;
 223         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg);
 224
 225         /* There might be handshake issue with hardware which needs delay */
 226         mdelay(20);
 227
 228         /* Wait for response flag (bit 31) in C2PMSG_64 */
 229         ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
 230                            0x80000000, 0x80000000, false);
 231
 232         amdgpu_bo_free_kernel(&adev->firmware.rbuf,
 233                               &ring->ring_mem_mc_addr,
 234                               (void **)&ring->ring_mem);
 235
 236         return ret;
 237 }
 238
 239 int psp_v10_0_cmd_submit(struct psp_context *psp,
 240                         struct amdgpu_firmware_info *ucode,
 241                         uint64_t cmd_buf_mc_addr, uint64_t fence_mc_addr,
 242                         int index)
 243 {
 244         unsigned int psp_write_ptr_reg = 0;
 245         struct psp_gfx_rb_frame * write_frame = psp->km_ring.ring_mem;
 246         struct psp_ring *ring = &psp->km_ring;
 247         struct amdgpu_device *adev = psp->adev;
 248
 249         /* KM (GPCOM) prepare write pointer */
 250         psp_write_ptr_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67);
 251
 252         /* Update KM RB frame pointer to new frame */
 253         if ((psp_write_ptr_reg % ring->ring_size) == 0)
 254                 write_frame = ring->ring_mem;
 255         else
 256                 write_frame = ring->ring_mem + (psp_write_ptr_reg / (sizeof(struct psp_gfx_rb_frame) / 4));
 257
 258         /* Update KM RB frame */
 259         write_frame->cmd_buf_addr_hi = upper_32_bits(cmd_buf_mc_addr);
 260         write_frame->cmd_buf_addr_lo = lower_32_bits(cmd_buf_mc_addr);
 261         write_frame->fence_addr_hi = upper_32_bits(fence_mc_addr);
 262         write_frame->fence_addr_lo = lower_32_bits(fence_mc_addr);
 263         write_frame->fence_value = index;
 264
 265         /* Update the write Pointer in DWORDs */
 266         psp_write_ptr_reg += sizeof(struct psp_gfx_rb_frame) / 4;
 267         psp_write_ptr_reg = (psp_write_ptr_reg >= ring->ring_size) ? 0 : psp_write_ptr_reg;
 268         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67, psp_write_ptr_reg);
 269
 270         return 0;
 271 }
 272
 273 static int
 274 psp_v10_0_sram_map(unsigned int *sram_offset, unsigned int *sram_addr_reg_offset,
 275                   unsigned int *sram_data_reg_offset,
 276                   enum AMDGPU_UCODE_ID ucode_id)
 277 {
 278         int ret = 0;
 279
 280         switch(ucode_id) {
 281 /* TODO: needs to confirm */
 282 #if 0
 283         case AMDGPU_UCODE_ID_SMC:
 284                 *sram_offset = 0;
 285                 *sram_addr_reg_offset = 0;
 286                 *sram_data_reg_offset = 0;
 287                 break;
 288 #endif
 289
 290         case AMDGPU_UCODE_ID_CP_CE:
 291                 *sram_offset = 0x0;
 292                 *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_CE_UCODE_ADDR);
 293                 *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_CE_UCODE_DATA);
 294                 break;
 295
 296         case AMDGPU_UCODE_ID_CP_PFP:
 297                 *sram_offset = 0x0;
 298                 *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_PFP_UCODE_ADDR);
 299                 *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_PFP_UCODE_DATA);
 300                 break;
 301
 302         case AMDGPU_UCODE_ID_CP_ME:
 303                 *sram_offset = 0x0;
 304                 *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_ME_UCODE_ADDR);
 305                 *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_ME_UCODE_DATA);
 306                 break;
 307
 308         case AMDGPU_UCODE_ID_CP_MEC1:
 309                 *sram_offset = 0x10000;
 310                 *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_MEC_ME1_UCODE_ADDR);
 311                 *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_MEC_ME1_UCODE_DATA);
 312                 break;
 313
 314         case AMDGPU_UCODE_ID_CP_MEC2:
 315                 *sram_offset = 0x10000;
 316                 *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_MEC2_UCODE_ADDR);
 317                 *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_MEC2_UCODE_DATA);
 318                 break;
 319
 320         case AMDGPU_UCODE_ID_RLC_G:
 321                 *sram_offset = 0x2000;
 322                 *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmRLC_GPM_UCODE_ADDR);
 323                 *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmRLC_GPM_UCODE_DATA);
 324                 break;
 325
 326         case AMDGPU_UCODE_ID_SDMA0:
 327                 *sram_offset = 0x0;
 328                 *sram_addr_reg_offset = SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_UCODE_ADDR);
 329                 *sram_data_reg_offset = SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_UCODE_DATA);
 330                 break;
 331
 332 /* TODO: needs to confirm */
 333 #if 0
 334         case AMDGPU_UCODE_ID_SDMA1:
 335                 *sram_offset = ;
 336                 *sram_addr_reg_offset = ;
 337                 break;
 338
 339         case AMDGPU_UCODE_ID_UVD:
 340                 *sram_offset = ;
 341                 *sram_addr_reg_offset = ;
 342                 break;
 343
 344         case AMDGPU_UCODE_ID_VCE:
 345                 *sram_offset = ;
 346                 *sram_addr_reg_offset = ;
 347                 break;
 348 #endif
 349
 350         case AMDGPU_UCODE_ID_MAXIMUM:
 351         default:
 352                 ret = -EINVAL;
 353                 break;
 354         }
 355
 356         return ret;
 357 }
 358
 359 bool psp_v10_0_compare_sram_data(struct psp_context *psp,
 360                                 struct amdgpu_firmware_info *ucode,
 361                                 enum AMDGPU_UCODE_ID ucode_type)
 362 {
 363         int err = 0;
 364         unsigned int fw_sram_reg_val = 0;
 365         unsigned int fw_sram_addr_reg_offset = 0;
 366         unsigned int fw_sram_data_reg_offset = 0;
 367         unsigned int ucode_size;
 368         uint32_t *ucode_mem = NULL;
 369         struct amdgpu_device *adev = psp->adev;
 370
 371         err = psp_v10_0_sram_map(&fw_sram_reg_val, &fw_sram_addr_reg_offset,
 372                                 &fw_sram_data_reg_offset, ucode_type);
 373         if (err)
 374                 return false;
 375
 376         WREG32(fw_sram_addr_reg_offset, fw_sram_reg_val);
 377
 378         ucode_size = ucode->ucode_size;
 379         ucode_mem = (uint32_t *)ucode->kaddr;
 380         while (!ucode_size) {
 381                 fw_sram_reg_val = RREG32(fw_sram_data_reg_offset);
 382
 383                 if (*ucode_mem != fw_sram_reg_val)
 384                         return false;
 385
 386                 ucode_mem++;
 387                 /* 4 bytes */
 388                 ucode_size -= 4;
 389         }
 390
 391         return true;
 392 }