drivers/gpu/drm/amd/amdgpu/amdgpu_acp.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  * Authors: AMD
  23  *
  24  */
  25
  26 #include <linux/irqdomain.h>
  27 #include <linux/pm_domain.h>
  28 #include <linux/platform_device.h>
  29 #include <sound/designware_i2s.h>
  30 #include <sound/pcm.h>
  31
  32 #include "amdgpu.h"
  33 #include "atom.h"
  34 #include "amdgpu_acp.h"
  35
  36 #include "acp_gfx_if.h"
  37
  38 #define ACP_TILE_ON_MASK                        0x03
  39 #define ACP_TILE_OFF_MASK                       0x02
  40 #define ACP_TILE_ON_RETAIN_REG_MASK             0x1f
  41 #define ACP_TILE_OFF_RETAIN_REG_MASK            0x20
  42
  43 #define ACP_TILE_P1_MASK                        0x3e
  44 #define ACP_TILE_P2_MASK                        0x3d
  45 #define ACP_TILE_DSP0_MASK                      0x3b
  46 #define ACP_TILE_DSP1_MASK                      0x37
  47
  48 #define ACP_TILE_DSP2_MASK                      0x2f
  49
  50 #define ACP_DMA_REGS_END                        0x146c0
  51 #define ACP_I2S_PLAY_REGS_START                 0x14840
  52 #define ACP_I2S_PLAY_REGS_END                   0x148b4
  53 #define ACP_I2S_CAP_REGS_START                  0x148b8
  54 #define ACP_I2S_CAP_REGS_END                    0x1496c
  55
  56 #define ACP_I2S_COMP1_CAP_REG_OFFSET            0xac
  57 #define ACP_I2S_COMP2_CAP_REG_OFFSET            0xa8
  58 #define ACP_I2S_COMP1_PLAY_REG_OFFSET           0x6c
  59 #define ACP_I2S_COMP2_PLAY_REG_OFFSET           0x68
  60 #define ACP_BT_PLAY_REGS_START                  0x14970
  61 #define ACP_BT_PLAY_REGS_END                    0x14a24
  62 #define ACP_BT_COMP1_REG_OFFSET                 0xac
  63 #define ACP_BT_COMP2_REG_OFFSET                 0xa8
  64
  65 #define mmACP_PGFSM_RETAIN_REG                  0x51c9
  66 #define mmACP_PGFSM_CONFIG_REG                  0x51ca
  67 #define mmACP_PGFSM_READ_REG_0                  0x51cc
  68
  69 #define mmACP_MEM_SHUT_DOWN_REQ_LO              0x51f8
  70 #define mmACP_MEM_SHUT_DOWN_REQ_HI              0x51f9
  71 #define mmACP_MEM_SHUT_DOWN_STS_LO              0x51fa
  72 #define mmACP_MEM_SHUT_DOWN_STS_HI              0x51fb
  73
  74 #define mmACP_CONTROL                           0x5131
  75 #define mmACP_STATUS                            0x5133
  76 #define mmACP_SOFT_RESET                        0x5134
  77 #define ACP_CONTROL__ClkEn_MASK                 0x1
  78 #define ACP_SOFT_RESET__SoftResetAud_MASK       0x100
  79 #define ACP_SOFT_RESET__SoftResetAudDone_MASK   0x1000000
  80 #define ACP_CLOCK_EN_TIME_OUT_VALUE             0x000000FF
  81 #define ACP_SOFT_RESET_DONE_TIME_OUT_VALUE      0x000000FF
  82
  83 #define ACP_TIMEOUT_LOOP                        0x000000FF
  84 #define ACP_DEVS                                4
  85 #define ACP_SRC_ID                              162
  86
  87 enum {
  88         ACP_TILE_P1 = 0,
  89         ACP_TILE_P2,
  90         ACP_TILE_DSP0,
  91         ACP_TILE_DSP1,
  92         ACP_TILE_DSP2,
  93 };
  94
  95 static int acp_sw_init(void *handle)
  96 {
  97         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
  98
  99         adev->acp.parent = adev->dev;
 100
 101         adev->acp.cgs_device =
 102                 amdgpu_cgs_create_device(adev);
 103         if (!adev->acp.cgs_device)
 104                 return -EINVAL;
 105
 106         return 0;
 107 }
 108
 109 static int acp_sw_fini(void *handle)
 110 {
 111         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 112
 113         if (adev->acp.cgs_device)
 114                 amdgpu_cgs_destroy_device(adev->acp.cgs_device);
 115
 116         return 0;
 117 }
 118
 119 struct acp_pm_domain {
 120         void *adev;
 121         struct generic_pm_domain gpd;
 122 };
 123
 124 static int acp_poweroff(struct generic_pm_domain *genpd)
 125 {
 126         struct acp_pm_domain *apd;
 127         struct amdgpu_device *adev;
 128
 129         apd = container_of(genpd, struct acp_pm_domain, gpd);
 130         if (apd != NULL) {
 131                 adev = apd->adev;
 132         /* call smu to POWER GATE ACP block
 133          * smu will
 134          * 1. turn off the acp clock
 135          * 2. power off the acp tiles
 136          * 3. check and enter ulv state
 137          */
 138                 if (adev->powerplay.pp_funcs &&
 139                         adev->powerplay.pp_funcs->set_powergating_by_smu)
 140                         amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_ACP, true);
 141         }
 142         return 0;
 143 }
 144
 145 static int acp_poweron(struct generic_pm_domain *genpd)
 146 {
 147         struct acp_pm_domain *apd;
 148         struct amdgpu_device *adev;
 149
 150         apd = container_of(genpd, struct acp_pm_domain, gpd);
 151         if (apd != NULL) {
 152                 adev = apd->adev;
 153         /* call smu to UNGATE ACP block
 154          * smu will
 155          * 1. exit ulv
 156          * 2. turn on acp clock
 157          * 3. power on acp tiles
 158          */
 159                 if (adev->powerplay.pp_funcs->set_powergating_by_smu)
 160                         amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_ACP, false);
 161         }
 162         return 0;
 163 }
 164
 165 static struct device *get_mfd_cell_dev(const char *device_name, int r)
 166 {
 167         char auto_dev_name[25];
 168         struct device *dev;
 169
 170         snprintf(auto_dev_name, sizeof(auto_dev_name),
 171                  "%s.%d.auto", device_name, r);
 172         dev = bus_find_device_by_name(&platform_bus_type, NULL, auto_dev_name);
 173         dev_info(dev, "device %s added to pm domain\n", auto_dev_name);
 174
 175         return dev;
 176 }
 177
 178 /**
 179  * acp_hw_init - start and test ACP block
 180  *
 181  * @adev: amdgpu_device pointer
 182  *
 183  */
 184 static int acp_hw_init(void *handle)
 185 {
 186         int r, i;
 187         uint64_t acp_base;
 188         u32 val = 0;
 189         u32 count = 0;
 190         struct device *dev;
 191         struct i2s_platform_data *i2s_pdata;
 192
 193         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 194
 195         const struct amdgpu_ip_block *ip_block =
 196                 amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_ACP);
 197
 198         if (!ip_block)
 199                 return -EINVAL;
 200
 201         r = amd_acp_hw_init(adev->acp.cgs_device,
 202                             ip_block->version->major, ip_block->version->minor);
 203         /* -ENODEV means board uses AZ rather than ACP */
 204         if (r == -ENODEV) {
 205                 amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_ACP, true);
 206                 return 0;
 207         } else if (r) {
 208                 return r;
 209         }
 210
 211         if (adev->rmmio_size == 0 || adev->rmmio_size < 0x5289)
 212                 return -EINVAL;
 213
 214         acp_base = adev->rmmio_base;
 215
 216
 217         adev->acp.acp_genpd = kzalloc(sizeof(struct acp_pm_domain), GFP_KERNEL);
 218         if (adev->acp.acp_genpd == NULL)
 219                 return -ENOMEM;
 220
 221         adev->acp.acp_genpd->gpd.name = "ACP_AUDIO";
 222         adev->acp.acp_genpd->gpd.power_off = acp_poweroff;
 223         adev->acp.acp_genpd->gpd.power_on = acp_poweron;
 224
 225
 226         adev->acp.acp_genpd->adev = adev;
 227
 228         pm_genpd_init(&adev->acp.acp_genpd->gpd, NULL, false);
 229
 230         adev->acp.acp_cell = kcalloc(ACP_DEVS, sizeof(struct mfd_cell),
 231                                                         GFP_KERNEL);
 232
 233         if (adev->acp.acp_cell == NULL)
 234                 return -ENOMEM;
 235
 236         adev->acp.acp_res = kcalloc(5, sizeof(struct resource), GFP_KERNEL);
 237         if (adev->acp.acp_res == NULL) {
 238                 kfree(adev->acp.acp_cell);
 239                 return -ENOMEM;
 240         }
 241
 242         i2s_pdata = kcalloc(3, sizeof(struct i2s_platform_data), GFP_KERNEL);
 243         if (i2s_pdata == NULL) {
 244                 kfree(adev->acp.acp_res);
 245                 kfree(adev->acp.acp_cell);
 246                 return -ENOMEM;
 247         }
 248
 249         switch (adev->asic_type) {
 250         case CHIP_STONEY:
 251                 i2s_pdata[0].quirks = DW_I2S_QUIRK_COMP_REG_OFFSET |
 252                         DW_I2S_QUIRK_16BIT_IDX_OVERRIDE;
 253                 break;
 254         default:
 255                 i2s_pdata[0].quirks = DW_I2S_QUIRK_COMP_REG_OFFSET;
 256         }
 257         i2s_pdata[0].cap = DWC_I2S_PLAY;
 258         i2s_pdata[0].snd_rates = SNDRV_PCM_RATE_8000_96000;
 259         i2s_pdata[0].i2s_reg_comp1 = ACP_I2S_COMP1_PLAY_REG_OFFSET;
 260         i2s_pdata[0].i2s_reg_comp2 = ACP_I2S_COMP2_PLAY_REG_OFFSET;
 261         switch (adev->asic_type) {
 262         case CHIP_STONEY:
 263                 i2s_pdata[1].quirks = DW_I2S_QUIRK_COMP_REG_OFFSET |
 264                         DW_I2S_QUIRK_COMP_PARAM1 |
 265                         DW_I2S_QUIRK_16BIT_IDX_OVERRIDE;
 266                 break;
 267         default:
 268                 i2s_pdata[1].quirks = DW_I2S_QUIRK_COMP_REG_OFFSET |
 269                         DW_I2S_QUIRK_COMP_PARAM1;
 270         }
 271
 272         i2s_pdata[1].cap = DWC_I2S_RECORD;
 273         i2s_pdata[1].snd_rates = SNDRV_PCM_RATE_8000_96000;
 274         i2s_pdata[1].i2s_reg_comp1 = ACP_I2S_COMP1_CAP_REG_OFFSET;
 275         i2s_pdata[1].i2s_reg_comp2 = ACP_I2S_COMP2_CAP_REG_OFFSET;
 276
 277         i2s_pdata[2].quirks = DW_I2S_QUIRK_COMP_REG_OFFSET;
 278         switch (adev->asic_type) {
 279         case CHIP_STONEY:
 280                 i2s_pdata[2].quirks |= DW_I2S_QUIRK_16BIT_IDX_OVERRIDE;
 281                 break;
 282         default:
 283                 break;
 284         }
 285
 286         i2s_pdata[2].cap = DWC_I2S_PLAY | DWC_I2S_RECORD;
 287         i2s_pdata[2].snd_rates = SNDRV_PCM_RATE_8000_96000;
 288         i2s_pdata[2].i2s_reg_comp1 = ACP_BT_COMP1_REG_OFFSET;
 289         i2s_pdata[2].i2s_reg_comp2 = ACP_BT_COMP2_REG_OFFSET;
 290
 291         adev->acp.acp_res[0].name = "acp2x_dma";
 292         adev->acp.acp_res[0].flags = IORESOURCE_MEM;
 293         adev->acp.acp_res[0].start = acp_base;
 294         adev->acp.acp_res[0].end = acp_base + ACP_DMA_REGS_END;
 295
 296         adev->acp.acp_res[1].name = "acp2x_dw_i2s_play";
 297         adev->acp.acp_res[1].flags = IORESOURCE_MEM;
 298         adev->acp.acp_res[1].start = acp_base + ACP_I2S_PLAY_REGS_START;
 299         adev->acp.acp_res[1].end = acp_base + ACP_I2S_PLAY_REGS_END;
 300
 301         adev->acp.acp_res[2].name = "acp2x_dw_i2s_cap";
 302         adev->acp.acp_res[2].flags = IORESOURCE_MEM;
 303         adev->acp.acp_res[2].start = acp_base + ACP_I2S_CAP_REGS_START;
 304         adev->acp.acp_res[2].end = acp_base + ACP_I2S_CAP_REGS_END;
 305
 306         adev->acp.acp_res[3].name = "acp2x_dw_bt_i2s_play_cap";
 307         adev->acp.acp_res[3].flags = IORESOURCE_MEM;
 308         adev->acp.acp_res[3].start = acp_base + ACP_BT_PLAY_REGS_START;
 309         adev->acp.acp_res[3].end = acp_base + ACP_BT_PLAY_REGS_END;
 310
 311         adev->acp.acp_res[4].name = "acp2x_dma_irq";
 312         adev->acp.acp_res[4].flags = IORESOURCE_IRQ;
 313         adev->acp.acp_res[4].start = amdgpu_irq_create_mapping(adev, 162);
 314         adev->acp.acp_res[4].end = adev->acp.acp_res[4].start;
 315
 316         adev->acp.acp_cell[0].name = "acp_audio_dma";
 317         adev->acp.acp_cell[0].num_resources = 5;
 318         adev->acp.acp_cell[0].resources = &adev->acp.acp_res[0];
 319         adev->acp.acp_cell[0].platform_data = &adev->asic_type;
 320         adev->acp.acp_cell[0].pdata_size = sizeof(adev->asic_type);
 321
 322         adev->acp.acp_cell[1].name = "designware-i2s";
 323         adev->acp.acp_cell[1].num_resources = 1;
 324         adev->acp.acp_cell[1].resources = &adev->acp.acp_res[1];
 325         adev->acp.acp_cell[1].platform_data = &i2s_pdata[0];
 326         adev->acp.acp_cell[1].pdata_size = sizeof(struct i2s_platform_data);
 327
 328         adev->acp.acp_cell[2].name = "designware-i2s";
 329         adev->acp.acp_cell[2].num_resources = 1;
 330         adev->acp.acp_cell[2].resources = &adev->acp.acp_res[2];
 331         adev->acp.acp_cell[2].platform_data = &i2s_pdata[1];
 332         adev->acp.acp_cell[2].pdata_size = sizeof(struct i2s_platform_data);
 333
 334         adev->acp.acp_cell[3].name = "designware-i2s";
 335         adev->acp.acp_cell[3].num_resources = 1;
 336         adev->acp.acp_cell[3].resources = &adev->acp.acp_res[3];
 337         adev->acp.acp_cell[3].platform_data = &i2s_pdata[2];
 338         adev->acp.acp_cell[3].pdata_size = sizeof(struct i2s_platform_data);
 339
 340         r = mfd_add_hotplug_devices(adev->acp.parent, adev->acp.acp_cell,
 341                                                                 ACP_DEVS);
 342         if (r)
 343                 return r;
 344
 345         for (i = 0; i < ACP_DEVS ; i++) {
 346                 dev = get_mfd_cell_dev(adev->acp.acp_cell[i].name, i);
 347                 r = pm_genpd_add_device(&adev->acp.acp_genpd->gpd, dev);
 348                 if (r) {
 349                         dev_err(dev, "Failed to add dev to genpd\n");
 350                         return r;
 351                 }
 352         }
 353
 354
 355         /* Assert Soft reset of ACP */
 356         val = cgs_read_register(adev->acp.cgs_device, mmACP_SOFT_RESET);
 357
 358         val |= ACP_SOFT_RESET__SoftResetAud_MASK;
 359         cgs_write_register(adev->acp.cgs_device, mmACP_SOFT_RESET, val);
 360
 361         count = ACP_SOFT_RESET_DONE_TIME_OUT_VALUE;
 362         while (true) {
 363                 val = cgs_read_register(adev->acp.cgs_device, mmACP_SOFT_RESET);
 364                 if (ACP_SOFT_RESET__SoftResetAudDone_MASK ==
 365                     (val & ACP_SOFT_RESET__SoftResetAudDone_MASK))
 366                         break;
 367                 if (--count == 0) {
 368                         dev_err(&adev->pdev->dev, "Failed to reset ACP\n");
 369                         return -ETIMEDOUT;
 370                 }
 371                 udelay(100);
 372         }
 373         /* Enable clock to ACP and wait until the clock is enabled */
 374         val = cgs_read_register(adev->acp.cgs_device, mmACP_CONTROL);
 375         val = val | ACP_CONTROL__ClkEn_MASK;
 376         cgs_write_register(adev->acp.cgs_device, mmACP_CONTROL, val);
 377
 378         count = ACP_CLOCK_EN_TIME_OUT_VALUE;
 379
 380         while (true) {
 381                 val = cgs_read_register(adev->acp.cgs_device, mmACP_STATUS);
 382                 if (val & (u32) 0x1)
 383                         break;
 384                 if (--count == 0) {
 385                         dev_err(&adev->pdev->dev, "Failed to reset ACP\n");
 386                         return -ETIMEDOUT;
 387                 }
 388                 udelay(100);
 389         }
 390         /* Deassert the SOFT RESET flags */
 391         val = cgs_read_register(adev->acp.cgs_device, mmACP_SOFT_RESET);
 392         val &= ~ACP_SOFT_RESET__SoftResetAud_MASK;
 393         cgs_write_register(adev->acp.cgs_device, mmACP_SOFT_RESET, val);
 394         return 0;
 395 }
 396
 397 /**
 398  * acp_hw_fini - stop the hardware block
 399  *
 400  * @adev: amdgpu_device pointer
 401  *
 402  */
 403 static int acp_hw_fini(void *handle)
 404 {
 405         int i, ret;
 406         u32 val = 0;
 407         u32 count = 0;
 408         struct device *dev;
 409         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 410
 411         /* return early if no ACP */
 412         if (!adev->acp.acp_genpd) {
 413                 amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_ACP, false);
 414                 return 0;
 415         }
 416
 417         /* Assert Soft reset of ACP */
 418         val = cgs_read_register(adev->acp.cgs_device, mmACP_SOFT_RESET);
 419
 420         val |= ACP_SOFT_RESET__SoftResetAud_MASK;
 421         cgs_write_register(adev->acp.cgs_device, mmACP_SOFT_RESET, val);
 422
 423         count = ACP_SOFT_RESET_DONE_TIME_OUT_VALUE;
 424         while (true) {
 425                 val = cgs_read_register(adev->acp.cgs_device, mmACP_SOFT_RESET);
 426                 if (ACP_SOFT_RESET__SoftResetAudDone_MASK ==
 427                     (val & ACP_SOFT_RESET__SoftResetAudDone_MASK))
 428                         break;
 429                 if (--count == 0) {
 430                         dev_err(&adev->pdev->dev, "Failed to reset ACP\n");
 431                         return -ETIMEDOUT;
 432                 }
 433                 udelay(100);
 434         }
 435         /* Disable ACP clock */
 436         val = cgs_read_register(adev->acp.cgs_device, mmACP_CONTROL);
 437         val &= ~ACP_CONTROL__ClkEn_MASK;
 438         cgs_write_register(adev->acp.cgs_device, mmACP_CONTROL, val);
 439
 440         count = ACP_CLOCK_EN_TIME_OUT_VALUE;
 441
 442         while (true) {
 443                 val = cgs_read_register(adev->acp.cgs_device, mmACP_STATUS);
 444                 if (val & (u32) 0x1)
 445                         break;
 446                 if (--count == 0) {
 447                         dev_err(&adev->pdev->dev, "Failed to reset ACP\n");
 448                         return -ETIMEDOUT;
 449                 }
 450                 udelay(100);
 451         }
 452
 453         for (i = 0; i < ACP_DEVS ; i++) {
 454                 dev = get_mfd_cell_dev(adev->acp.acp_cell[i].name, i);
 455                 ret = pm_genpd_remove_device(dev);
 456                 /* If removal fails, dont giveup and try rest */
 457                 if (ret)
 458                         dev_err(dev, "remove dev from genpd failed\n");
 459         }
 460
 461         mfd_remove_devices(adev->acp.parent);
 462         kfree(adev->acp.acp_res);
 463         kfree(adev->acp.acp_genpd);
 464         kfree(adev->acp.acp_cell);
 465
 466         return 0;
 467 }
 468
 469 static int acp_suspend(void *handle)
 470 {
 471         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 472
 473         /* power up on suspend */
 474         if (!adev->acp.acp_cell)
 475                 amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_ACP, false);
 476         return 0;
 477 }
 478
 479 static int acp_resume(void *handle)
 480 {
 481         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 482
 483         /* power down again on resume */
 484         if (!adev->acp.acp_cell)
 485                 amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_ACP, true);
 486         return 0;
 487 }
 488
 489 static int acp_early_init(void *handle)
 490 {
 491         return 0;
 492 }
 493
 494 static bool acp_is_idle(void *handle)
 495 {
 496         return true;
 497 }
 498
 499 static int acp_wait_for_idle(void *handle)
 500 {
 501         return 0;
 502 }
 503
 504 static int acp_soft_reset(void *handle)
 505 {
 506         return 0;
 507 }
 508
 509 static int acp_set_clockgating_state(void *handle,
 510                                      enum amd_clockgating_state state)
 511 {
 512         return 0;
 513 }
 514
 515 static int acp_set_powergating_state(void *handle,
 516                                      enum amd_powergating_state state)
 517 {
 518         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 519         bool enable = state == AMD_PG_STATE_GATE ? true : false;
 520
 521         if (adev->powerplay.pp_funcs &&
 522                 adev->powerplay.pp_funcs->set_powergating_by_smu)
 523                 amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_ACP, enable);
 524
 525         return 0;
 526 }
 527
 528 static const struct amd_ip_funcs acp_ip_funcs = {
 529         .name = "acp_ip",
 530         .early_init = acp_early_init,
 531         .late_init = NULL,
 532         .sw_init = acp_sw_init,
 533         .sw_fini = acp_sw_fini,
 534         .hw_init = acp_hw_init,
 535         .hw_fini = acp_hw_fini,
 536         .suspend = acp_suspend,
 537         .resume = acp_resume,
 538         .is_idle = acp_is_idle,
 539         .wait_for_idle = acp_wait_for_idle,
 540         .soft_reset = acp_soft_reset,
 541         .set_clockgating_state = acp_set_clockgating_state,
 542         .set_powergating_state = acp_set_powergating_state,
 543 };
 544
 545 const struct amdgpu_ip_block_version acp_ip_block =
 546 {
 547         .type = AMD_IP_BLOCK_TYPE_ACP,
 548         .major = 2,
 549         .minor = 2,
 550         .rev = 0,
 551         .funcs = &acp_ip_funcs,
 552 };