sound/soc/intel/skylake/skl-sst-ipc.c

   1 /*
   2  * skl-sst-ipc.c - Intel skl IPC Support
   3  *
   4  * Copyright (C) 2014-15, Intel Corporation.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as version 2, as
   8  * published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License for more details.
  14  */
  15 #include <linux/device.h>
  16
  17 #include "../common/sst-dsp.h"
  18 #include "../common/sst-dsp-priv.h"
  19 #include "skl.h"
  20 #include "skl-sst-dsp.h"
  21 #include "skl-sst-ipc.h"
  22 #include "sound/hdaudio_ext.h"
  23
  24
  25 #define IPC_IXC_STATUS_BITS             24
  26
  27 /* Global Message - Generic */
  28 #define IPC_GLB_TYPE_SHIFT              24
  29 #define IPC_GLB_TYPE_MASK               (0xf << IPC_GLB_TYPE_SHIFT)
  30 #define IPC_GLB_TYPE(x)                 ((x) << IPC_GLB_TYPE_SHIFT)
  31
  32 /* Global Message - Reply */
  33 #define IPC_GLB_REPLY_STATUS_SHIFT      24
  34 #define IPC_GLB_REPLY_STATUS_MASK       ((0x1 << IPC_GLB_REPLY_STATUS_SHIFT) - 1)
  35 #define IPC_GLB_REPLY_STATUS(x)         ((x) << IPC_GLB_REPLY_STATUS_SHIFT)
  36
  37 #define IPC_GLB_REPLY_TYPE_SHIFT        29
  38 #define IPC_GLB_REPLY_TYPE_MASK         0x1F
  39 #define IPC_GLB_REPLY_TYPE(x)           (((x) >> IPC_GLB_REPLY_TYPE_SHIFT) \
  40                                         & IPC_GLB_RPLY_TYPE_MASK)
  41
  42 #define IPC_TIMEOUT_MSECS               3000
  43
  44 #define IPC_EMPTY_LIST_SIZE             8
  45
  46 #define IPC_MSG_TARGET_SHIFT            30
  47 #define IPC_MSG_TARGET_MASK             0x1
  48 #define IPC_MSG_TARGET(x)               (((x) & IPC_MSG_TARGET_MASK) \
  49                                         << IPC_MSG_TARGET_SHIFT)
  50
  51 #define IPC_MSG_DIR_SHIFT               29
  52 #define IPC_MSG_DIR_MASK                0x1
  53 #define IPC_MSG_DIR(x)                  (((x) & IPC_MSG_DIR_MASK) \
  54                                         << IPC_MSG_DIR_SHIFT)
  55 /* Global Notification Message */
  56 #define IPC_GLB_NOTIFY_TYPE_SHIFT       16
  57 #define IPC_GLB_NOTIFY_TYPE_MASK        0xFF
  58 #define IPC_GLB_NOTIFY_TYPE(x)          (((x) >> IPC_GLB_NOTIFY_TYPE_SHIFT) \
  59                                         & IPC_GLB_NOTIFY_TYPE_MASK)
  60
  61 #define IPC_GLB_NOTIFY_MSG_TYPE_SHIFT   24
  62 #define IPC_GLB_NOTIFY_MSG_TYPE_MASK    0x1F
  63 #define IPC_GLB_NOTIFY_MSG_TYPE(x)      (((x) >> IPC_GLB_NOTIFY_MSG_TYPE_SHIFT) \
  64                                                 & IPC_GLB_NOTIFY_MSG_TYPE_MASK)
  65
  66 #define IPC_GLB_NOTIFY_RSP_SHIFT        29
  67 #define IPC_GLB_NOTIFY_RSP_MASK         0x1
  68 #define IPC_GLB_NOTIFY_RSP_TYPE(x)      (((x) >> IPC_GLB_NOTIFY_RSP_SHIFT) \
  69                                         & IPC_GLB_NOTIFY_RSP_MASK)
  70
  71 /* Pipeline operations */
  72
  73 /* Create pipeline message */
  74 #define IPC_PPL_MEM_SIZE_SHIFT          0
  75 #define IPC_PPL_MEM_SIZE_MASK           0x7FF
  76 #define IPC_PPL_MEM_SIZE(x)             (((x) & IPC_PPL_MEM_SIZE_MASK) \
  77                                         << IPC_PPL_MEM_SIZE_SHIFT)
  78
  79 #define IPC_PPL_TYPE_SHIFT              11
  80 #define IPC_PPL_TYPE_MASK               0x1F
  81 #define IPC_PPL_TYPE(x)                 (((x) & IPC_PPL_TYPE_MASK) \
  82                                         << IPC_PPL_TYPE_SHIFT)
  83
  84 #define IPC_INSTANCE_ID_SHIFT           16
  85 #define IPC_INSTANCE_ID_MASK            0xFF
  86 #define IPC_INSTANCE_ID(x)              (((x) & IPC_INSTANCE_ID_MASK) \
  87                                         << IPC_INSTANCE_ID_SHIFT)
  88
  89 #define IPC_PPL_LP_MODE_SHIFT           0
  90 #define IPC_PPL_LP_MODE_MASK            0x1
  91 #define IPC_PPL_LP_MODE(x)              (((x) & IPC_PPL_LP_MODE_MASK) \
  92                                         << IPC_PPL_LP_MODE_SHIFT)
  93
  94 /* Set pipeline state message */
  95 #define IPC_PPL_STATE_SHIFT             0
  96 #define IPC_PPL_STATE_MASK              0x1F
  97 #define IPC_PPL_STATE(x)                (((x) & IPC_PPL_STATE_MASK) \
  98                                         << IPC_PPL_STATE_SHIFT)
  99
 100 /* Module operations primary register */
 101 #define IPC_MOD_ID_SHIFT                0
 102 #define IPC_MOD_ID_MASK         0xFFFF
 103 #define IPC_MOD_ID(x)           (((x) & IPC_MOD_ID_MASK) \
 104                                         << IPC_MOD_ID_SHIFT)
 105
 106 #define IPC_MOD_INSTANCE_ID_SHIFT       16
 107 #define IPC_MOD_INSTANCE_ID_MASK        0xFF
 108 #define IPC_MOD_INSTANCE_ID(x)  (((x) & IPC_MOD_INSTANCE_ID_MASK) \
 109                                         << IPC_MOD_INSTANCE_ID_SHIFT)
 110
 111 /* Init instance message extension register */
 112 #define IPC_PARAM_BLOCK_SIZE_SHIFT      0
 113 #define IPC_PARAM_BLOCK_SIZE_MASK       0xFFFF
 114 #define IPC_PARAM_BLOCK_SIZE(x)         (((x) & IPC_PARAM_BLOCK_SIZE_MASK) \
 115                                         << IPC_PARAM_BLOCK_SIZE_SHIFT)
 116
 117 #define IPC_PPL_INSTANCE_ID_SHIFT       16
 118 #define IPC_PPL_INSTANCE_ID_MASK        0xFF
 119 #define IPC_PPL_INSTANCE_ID(x)          (((x) & IPC_PPL_INSTANCE_ID_MASK) \
 120                                         << IPC_PPL_INSTANCE_ID_SHIFT)
 121
 122 #define IPC_CORE_ID_SHIFT               24
 123 #define IPC_CORE_ID_MASK                0x1F
 124 #define IPC_CORE_ID(x)                  (((x) & IPC_CORE_ID_MASK) \
 125                                         << IPC_CORE_ID_SHIFT)
 126
 127 #define IPC_DOMAIN_SHIFT                28
 128 #define IPC_DOMAIN_MASK                 0x1
 129 #define IPC_DOMAIN(x)                   (((x) & IPC_DOMAIN_MASK) \
 130                                         << IPC_DOMAIN_SHIFT)
 131
 132 /* Bind/Unbind message extension register */
 133 #define IPC_DST_MOD_ID_SHIFT            0
 134 #define IPC_DST_MOD_ID(x)               (((x) & IPC_MOD_ID_MASK) \
 135                                         << IPC_DST_MOD_ID_SHIFT)
 136
 137 #define IPC_DST_MOD_INSTANCE_ID_SHIFT 16
 138 #define IPC_DST_MOD_INSTANCE_ID(x)      (((x) & IPC_MOD_INSTANCE_ID_MASK) \
 139                                         << IPC_DST_MOD_INSTANCE_ID_SHIFT)
 140
 141 #define IPC_DST_QUEUE_SHIFT             24
 142 #define IPC_DST_QUEUE_MASK              0x7
 143 #define IPC_DST_QUEUE(x)                (((x) & IPC_DST_QUEUE_MASK) \
 144                                         << IPC_DST_QUEUE_SHIFT)
 145
 146 #define IPC_SRC_QUEUE_SHIFT             27
 147 #define IPC_SRC_QUEUE_MASK              0x7
 148 #define IPC_SRC_QUEUE(x)                (((x) & IPC_SRC_QUEUE_MASK) \
 149                                         << IPC_SRC_QUEUE_SHIFT)
 150 /* Load Module count */
 151 #define IPC_LOAD_MODULE_SHIFT           0
 152 #define IPC_LOAD_MODULE_MASK            0xFF
 153 #define IPC_LOAD_MODULE_CNT(x)          (((x) & IPC_LOAD_MODULE_MASK) \
 154                                         << IPC_LOAD_MODULE_SHIFT)
 155
 156 /* Save pipeline messgae extension register */
 157 #define IPC_DMA_ID_SHIFT                0
 158 #define IPC_DMA_ID_MASK                 0x1F
 159 #define IPC_DMA_ID(x)                   (((x) & IPC_DMA_ID_MASK) \
 160                                         << IPC_DMA_ID_SHIFT)
 161 /* Large Config message extension register */
 162 #define IPC_DATA_OFFSET_SZ_SHIFT        0
 163 #define IPC_DATA_OFFSET_SZ_MASK         0xFFFFF
 164 #define IPC_DATA_OFFSET_SZ(x)           (((x) & IPC_DATA_OFFSET_SZ_MASK) \
 165                                         << IPC_DATA_OFFSET_SZ_SHIFT)
 166 #define IPC_DATA_OFFSET_SZ_CLEAR        ~(IPC_DATA_OFFSET_SZ_MASK \
 167                                           << IPC_DATA_OFFSET_SZ_SHIFT)
 168
 169 #define IPC_LARGE_PARAM_ID_SHIFT        20
 170 #define IPC_LARGE_PARAM_ID_MASK         0xFF
 171 #define IPC_LARGE_PARAM_ID(x)           (((x) & IPC_LARGE_PARAM_ID_MASK) \
 172                                         << IPC_LARGE_PARAM_ID_SHIFT)
 173
 174 #define IPC_FINAL_BLOCK_SHIFT           28
 175 #define IPC_FINAL_BLOCK_MASK            0x1
 176 #define IPC_FINAL_BLOCK(x)              (((x) & IPC_FINAL_BLOCK_MASK) \
 177                                         << IPC_FINAL_BLOCK_SHIFT)
 178
 179 #define IPC_INITIAL_BLOCK_SHIFT         29
 180 #define IPC_INITIAL_BLOCK_MASK          0x1
 181 #define IPC_INITIAL_BLOCK(x)            (((x) & IPC_INITIAL_BLOCK_MASK) \
 182                                         << IPC_INITIAL_BLOCK_SHIFT)
 183 #define IPC_INITIAL_BLOCK_CLEAR         ~(IPC_INITIAL_BLOCK_MASK \
 184                                           << IPC_INITIAL_BLOCK_SHIFT)
 185 /* Set D0ix IPC extension register */
 186 #define IPC_D0IX_WAKE_SHIFT             0
 187 #define IPC_D0IX_WAKE_MASK              0x1
 188 #define IPC_D0IX_WAKE(x)                (((x) & IPC_D0IX_WAKE_MASK) \
 189                                         << IPC_D0IX_WAKE_SHIFT)
 190
 191 #define IPC_D0IX_STREAMING_SHIFT        1
 192 #define IPC_D0IX_STREAMING_MASK         0x1
 193 #define IPC_D0IX_STREAMING(x)           (((x) & IPC_D0IX_STREAMING_MASK) \
 194                                         << IPC_D0IX_STREAMING_SHIFT)
 195
 196
 197 enum skl_ipc_msg_target {
 198         IPC_FW_GEN_MSG = 0,
 199         IPC_MOD_MSG = 1
 200 };
 201
 202 enum skl_ipc_msg_direction {
 203         IPC_MSG_REQUEST = 0,
 204         IPC_MSG_REPLY = 1
 205 };
 206
 207 /* Global Message Types */
 208 enum skl_ipc_glb_type {
 209         IPC_GLB_GET_FW_VERSION = 0, /* Retrieves firmware version */
 210         IPC_GLB_LOAD_MULTIPLE_MODS = 15,
 211         IPC_GLB_UNLOAD_MULTIPLE_MODS = 16,
 212         IPC_GLB_CREATE_PPL = 17,
 213         IPC_GLB_DELETE_PPL = 18,
 214         IPC_GLB_SET_PPL_STATE = 19,
 215         IPC_GLB_GET_PPL_STATE = 20,
 216         IPC_GLB_GET_PPL_CONTEXT_SIZE = 21,
 217         IPC_GLB_SAVE_PPL = 22,
 218         IPC_GLB_RESTORE_PPL = 23,
 219         IPC_GLB_LOAD_LIBRARY = 24,
 220         IPC_GLB_NOTIFY = 26,
 221         IPC_GLB_MAX_IPC_MSG_NUMBER = 31 /* Maximum message number */
 222 };
 223
 224 enum skl_ipc_glb_reply {
 225         IPC_GLB_REPLY_SUCCESS = 0,
 226
 227         IPC_GLB_REPLY_UNKNOWN_MSG_TYPE = 1,
 228         IPC_GLB_REPLY_ERROR_INVALID_PARAM = 2,
 229
 230         IPC_GLB_REPLY_BUSY = 3,
 231         IPC_GLB_REPLY_PENDING = 4,
 232         IPC_GLB_REPLY_FAILURE = 5,
 233         IPC_GLB_REPLY_INVALID_REQUEST = 6,
 234
 235         IPC_GLB_REPLY_OUT_OF_MEMORY = 7,
 236         IPC_GLB_REPLY_OUT_OF_MIPS = 8,
 237
 238         IPC_GLB_REPLY_INVALID_RESOURCE_ID = 9,
 239         IPC_GLB_REPLY_INVALID_RESOURCE_STATE = 10,
 240
 241         IPC_GLB_REPLY_MOD_MGMT_ERROR = 100,
 242         IPC_GLB_REPLY_MOD_LOAD_CL_FAILED = 101,
 243         IPC_GLB_REPLY_MOD_LOAD_INVALID_HASH = 102,
 244
 245         IPC_GLB_REPLY_MOD_UNLOAD_INST_EXIST = 103,
 246         IPC_GLB_REPLY_MOD_NOT_INITIALIZED = 104,
 247
 248         IPC_GLB_REPLY_INVALID_CONFIG_PARAM_ID = 120,
 249         IPC_GLB_REPLY_INVALID_CONFIG_DATA_LEN = 121,
 250         IPC_GLB_REPLY_GATEWAY_NOT_INITIALIZED = 140,
 251         IPC_GLB_REPLY_GATEWAY_NOT_EXIST = 141,
 252
 253         IPC_GLB_REPLY_PPL_NOT_INITIALIZED = 160,
 254         IPC_GLB_REPLY_PPL_NOT_EXIST = 161,
 255         IPC_GLB_REPLY_PPL_SAVE_FAILED = 162,
 256         IPC_GLB_REPLY_PPL_RESTORE_FAILED = 163,
 257
 258         IPC_MAX_STATUS = ((1<<IPC_IXC_STATUS_BITS)-1)
 259 };
 260
 261 enum skl_ipc_notification_type {
 262         IPC_GLB_NOTIFY_GLITCH = 0,
 263         IPC_GLB_NOTIFY_OVERRUN = 1,
 264         IPC_GLB_NOTIFY_UNDERRUN = 2,
 265         IPC_GLB_NOTIFY_END_STREAM = 3,
 266         IPC_GLB_NOTIFY_PHRASE_DETECTED = 4,
 267         IPC_GLB_NOTIFY_RESOURCE_EVENT = 5,
 268         IPC_GLB_NOTIFY_LOG_BUFFER_STATUS = 6,
 269         IPC_GLB_NOTIFY_TIMESTAMP_CAPTURED = 7,
 270         IPC_GLB_NOTIFY_FW_READY = 8
 271 };
 272
 273 /* Module Message Types */
 274 enum skl_ipc_module_msg {
 275         IPC_MOD_INIT_INSTANCE = 0,
 276         IPC_MOD_CONFIG_GET = 1,
 277         IPC_MOD_CONFIG_SET = 2,
 278         IPC_MOD_LARGE_CONFIG_GET = 3,
 279         IPC_MOD_LARGE_CONFIG_SET = 4,
 280         IPC_MOD_BIND = 5,
 281         IPC_MOD_UNBIND = 6,
 282         IPC_MOD_SET_DX = 7,
 283         IPC_MOD_SET_D0IX = 8
 284 };
 285
 286 static void skl_ipc_tx_data_copy(struct ipc_message *msg, char *tx_data,
 287                 size_t tx_size)
 288 {
 289         if (tx_size)
 290                 memcpy(msg->tx_data, tx_data, tx_size);
 291 }
 292
 293 static bool skl_ipc_is_dsp_busy(struct sst_dsp *dsp)
 294 {
 295         u32 hipci;
 296
 297         hipci = sst_dsp_shim_read_unlocked(dsp, SKL_ADSP_REG_HIPCI);
 298         return (hipci & SKL_ADSP_REG_HIPCI_BUSY);
 299 }
 300
 301 /* Lock to be held by caller */
 302 static void skl_ipc_tx_msg(struct sst_generic_ipc *ipc, struct ipc_message *msg)
 303 {
 304         struct skl_ipc_header *header = (struct skl_ipc_header *)(&msg->header);
 305
 306         if (msg->tx_size)
 307                 sst_dsp_outbox_write(ipc->dsp, msg->tx_data, msg->tx_size);
 308         sst_dsp_shim_write_unlocked(ipc->dsp, SKL_ADSP_REG_HIPCIE,
 309                                                 header->extension);
 310         sst_dsp_shim_write_unlocked(ipc->dsp, SKL_ADSP_REG_HIPCI,
 311                 header->primary | SKL_ADSP_REG_HIPCI_BUSY);
 312 }
 313
 314 int skl_ipc_check_D0i0(struct sst_dsp *dsp, bool state)
 315 {
 316         int ret;
 317
 318         /* check D0i3 support */
 319         if (!dsp->fw_ops.set_state_D0i0)
 320                 return 0;
 321
 322         /* Attempt D0i0 or D0i3 based on state */
 323         if (state)
 324                 ret = dsp->fw_ops.set_state_D0i0(dsp);
 325         else
 326                 ret = dsp->fw_ops.set_state_D0i3(dsp);
 327
 328         return ret;
 329 }
 330
 331 static struct ipc_message *skl_ipc_reply_get_msg(struct sst_generic_ipc *ipc,
 332                                 u64 ipc_header)
 333 {
 334         struct ipc_message *msg =  NULL;
 335         struct skl_ipc_header *header = (struct skl_ipc_header *)(&ipc_header);
 336
 337         if (list_empty(&ipc->rx_list)) {
 338                 dev_err(ipc->dev, "ipc: rx list is empty but received 0x%x\n",
 339                         header->primary);
 340                 goto out;
 341         }
 342
 343         msg = list_first_entry(&ipc->rx_list, struct ipc_message, list);
 344
 345 out:
 346         return msg;
 347
 348 }
 349
 350 static int skl_ipc_process_notification(struct sst_generic_ipc *ipc,
 351                 struct skl_ipc_header header)
 352 {
 353         struct skl_sst *skl = container_of(ipc, struct skl_sst, ipc);
 354
 355         if (IPC_GLB_NOTIFY_MSG_TYPE(header.primary)) {
 356                 switch (IPC_GLB_NOTIFY_TYPE(header.primary)) {
 357
 358                 case IPC_GLB_NOTIFY_UNDERRUN:
 359                         dev_err(ipc->dev, "FW Underrun %x\n", header.primary);
 360                         break;
 361
 362                 case IPC_GLB_NOTIFY_RESOURCE_EVENT:
 363                         dev_err(ipc->dev, "MCPS Budget Violation: %x\n",
 364                                                 header.primary);
 365                         break;
 366
 367                 case IPC_GLB_NOTIFY_FW_READY:
 368                         skl->boot_complete = true;
 369                         wake_up(&skl->boot_wait);
 370                         break;
 371
 372                 case IPC_GLB_NOTIFY_PHRASE_DETECTED:
 373                         dev_dbg(ipc->dev, "***** Phrase Detected **********\n");
 374
 375                         /*
 376                          * Per HW recomendation, After phrase detection,
 377                          * clear the CGCTL.MISCBDCGE.
 378                          *
 379                          * This will be set back on stream closure
 380                          */
 381                         skl->enable_miscbdcge(ipc->dev, false);
 382                         skl->miscbdcg_disabled = true;
 383                         break;
 384
 385                 default:
 386                         dev_err(ipc->dev, "ipc: Unhandled error msg=%x\n",
 387                                                 header.primary);
 388                         break;
 389                 }
 390         }
 391
 392         return 0;
 393 }
 394
 395 static int skl_ipc_set_reply_error_code(u32 reply)
 396 {
 397         switch (reply) {
 398         case IPC_GLB_REPLY_OUT_OF_MEMORY:
 399                 return -ENOMEM;
 400
 401         case IPC_GLB_REPLY_BUSY:
 402                 return -EBUSY;
 403
 404         default:
 405                 return -EINVAL;
 406         }
 407 }
 408
 409 static void skl_ipc_process_reply(struct sst_generic_ipc *ipc,
 410                 struct skl_ipc_header header)
 411 {
 412         struct ipc_message *msg;
 413         u32 reply = header.primary & IPC_GLB_REPLY_STATUS_MASK;
 414         u64 *ipc_header = (u64 *)(&header);
 415         struct skl_sst *skl = container_of(ipc, struct skl_sst, ipc);
 416
 417         msg = skl_ipc_reply_get_msg(ipc, *ipc_header);
 418         if (msg == NULL) {
 419                 dev_dbg(ipc->dev, "ipc: rx list is empty\n");
 420                 return;
 421         }
 422
 423         /* first process the header */
 424         if (reply == IPC_GLB_REPLY_SUCCESS) {
 425                 dev_dbg(ipc->dev, "ipc FW reply %x: success\n", header.primary);
 426                 /* copy the rx data from the mailbox */
 427                 sst_dsp_inbox_read(ipc->dsp, msg->rx_data, msg->rx_size);
 428                 switch (IPC_GLB_NOTIFY_MSG_TYPE(header.primary)) {
 429                 case IPC_GLB_LOAD_MULTIPLE_MODS:
 430                 case IPC_GLB_LOAD_LIBRARY:
 431                         skl->mod_load_complete = true;
 432                         skl->mod_load_status = true;
 433                         wake_up(&skl->mod_load_wait);
 434                         break;
 435
 436                 default:
 437                         break;
 438
 439                 }
 440         } else {
 441                 msg->errno = skl_ipc_set_reply_error_code(reply);
 442                 dev_err(ipc->dev, "ipc FW reply: reply=%d\n", reply);
 443                 dev_err(ipc->dev, "FW Error Code: %u\n",
 444                         ipc->dsp->fw_ops.get_fw_errcode(ipc->dsp));
 445                 switch (IPC_GLB_NOTIFY_MSG_TYPE(header.primary)) {
 446                 case IPC_GLB_LOAD_MULTIPLE_MODS:
 447                 case IPC_GLB_LOAD_LIBRARY:
 448                         skl->mod_load_complete = true;
 449                         skl->mod_load_status = false;
 450                         wake_up(&skl->mod_load_wait);
 451                         break;
 452
 453                 default:
 454                         break;
 455
 456                 }
 457         }
 458
 459         list_del(&msg->list);
 460         sst_ipc_tx_msg_reply_complete(ipc, msg);
 461 }
 462
 463 irqreturn_t skl_dsp_irq_thread_handler(int irq, void *context)
 464 {
 465         struct sst_dsp *dsp = context;
 466         struct skl_sst *skl = sst_dsp_get_thread_context(dsp);
 467         struct sst_generic_ipc *ipc = &skl->ipc;
 468         struct skl_ipc_header header = {0};
 469         u32 hipcie, hipct, hipcte;
 470         int ipc_irq = 0;
 471
 472         if (dsp->intr_status & SKL_ADSPIS_CL_DMA)
 473                 skl_cldma_process_intr(dsp);
 474
 475         /* Here we handle IPC interrupts only */
 476         if (!(dsp->intr_status & SKL_ADSPIS_IPC))
 477                 return IRQ_NONE;
 478
 479         hipcie = sst_dsp_shim_read_unlocked(dsp, SKL_ADSP_REG_HIPCIE);
 480         hipct = sst_dsp_shim_read_unlocked(dsp, SKL_ADSP_REG_HIPCT);
 481
 482         /* reply message from DSP */
 483         if (hipcie & SKL_ADSP_REG_HIPCIE_DONE) {
 484                 sst_dsp_shim_update_bits(dsp, SKL_ADSP_REG_HIPCCTL,
 485                         SKL_ADSP_REG_HIPCCTL_DONE, 0);
 486
 487                 /* clear DONE bit - tell DSP we have completed the operation */
 488                 sst_dsp_shim_update_bits_forced(dsp, SKL_ADSP_REG_HIPCIE,
 489                         SKL_ADSP_REG_HIPCIE_DONE, SKL_ADSP_REG_HIPCIE_DONE);
 490
 491                 ipc_irq = 1;
 492
 493                 /* unmask Done interrupt */
 494                 sst_dsp_shim_update_bits(dsp, SKL_ADSP_REG_HIPCCTL,
 495                         SKL_ADSP_REG_HIPCCTL_DONE, SKL_ADSP_REG_HIPCCTL_DONE);
 496         }
 497
 498         /* New message from DSP */
 499         if (hipct & SKL_ADSP_REG_HIPCT_BUSY) {
 500                 hipcte = sst_dsp_shim_read_unlocked(dsp, SKL_ADSP_REG_HIPCTE);
 501                 header.primary = hipct;
 502                 header.extension = hipcte;
 503                 dev_dbg(dsp->dev, "IPC irq: Firmware respond primary:%x\n",
 504                                                 header.primary);
 505                 dev_dbg(dsp->dev, "IPC irq: Firmware respond extension:%x\n",
 506                                                 header.extension);
 507
 508                 if (IPC_GLB_NOTIFY_RSP_TYPE(header.primary)) {
 509                         /* Handle Immediate reply from DSP Core */
 510                         skl_ipc_process_reply(ipc, header);
 511                 } else {
 512                         dev_dbg(dsp->dev, "IPC irq: Notification from firmware\n");
 513                         skl_ipc_process_notification(ipc, header);
 514                 }
 515                 /* clear  busy interrupt */
 516                 sst_dsp_shim_update_bits_forced(dsp, SKL_ADSP_REG_HIPCT,
 517                         SKL_ADSP_REG_HIPCT_BUSY, SKL_ADSP_REG_HIPCT_BUSY);
 518                 ipc_irq = 1;
 519         }
 520
 521         if (ipc_irq == 0)
 522                 return IRQ_NONE;
 523
 524         skl_ipc_int_enable(dsp);
 525
 526         /* continue to send any remaining messages... */
 527         schedule_work(&ipc->kwork);
 528
 529         return IRQ_HANDLED;
 530 }
 531
 532 void skl_ipc_int_enable(struct sst_dsp *ctx)
 533 {
 534         sst_dsp_shim_update_bits(ctx, SKL_ADSP_REG_ADSPIC,
 535                         SKL_ADSPIC_IPC, SKL_ADSPIC_IPC);
 536 }
 537
 538 void skl_ipc_int_disable(struct sst_dsp *ctx)
 539 {
 540         sst_dsp_shim_update_bits_unlocked(ctx, SKL_ADSP_REG_ADSPIC,
 541                         SKL_ADSPIC_IPC, 0);
 542 }
 543
 544 void skl_ipc_op_int_enable(struct sst_dsp *ctx)
 545 {
 546         /* enable IPC DONE interrupt */
 547         sst_dsp_shim_update_bits(ctx, SKL_ADSP_REG_HIPCCTL,
 548                 SKL_ADSP_REG_HIPCCTL_DONE, SKL_ADSP_REG_HIPCCTL_DONE);
 549
 550         /* Enable IPC BUSY interrupt */
 551         sst_dsp_shim_update_bits(ctx, SKL_ADSP_REG_HIPCCTL,
 552                 SKL_ADSP_REG_HIPCCTL_BUSY, SKL_ADSP_REG_HIPCCTL_BUSY);
 553 }
 554
 555 void skl_ipc_op_int_disable(struct sst_dsp *ctx)
 556 {
 557         /* disable IPC DONE interrupt */
 558         sst_dsp_shim_update_bits_unlocked(ctx, SKL_ADSP_REG_HIPCCTL,
 559                                         SKL_ADSP_REG_HIPCCTL_DONE, 0);
 560
 561         /* Disable IPC BUSY interrupt */
 562         sst_dsp_shim_update_bits_unlocked(ctx, SKL_ADSP_REG_HIPCCTL,
 563                                         SKL_ADSP_REG_HIPCCTL_BUSY, 0);
 564
 565 }
 566
 567 bool skl_ipc_int_status(struct sst_dsp *ctx)
 568 {
 569         return sst_dsp_shim_read_unlocked(ctx,
 570                         SKL_ADSP_REG_ADSPIS) & SKL_ADSPIS_IPC;
 571 }
 572
 573 int skl_ipc_init(struct device *dev, struct skl_sst *skl)
 574 {
 575         struct sst_generic_ipc *ipc;
 576         int err;
 577
 578         ipc = &skl->ipc;
 579         ipc->dsp = skl->dsp;
 580         ipc->dev = dev;
 581
 582         ipc->tx_data_max_size = SKL_ADSP_W1_SZ;
 583         ipc->rx_data_max_size = SKL_ADSP_W0_UP_SZ;
 584
 585         err = sst_ipc_init(ipc);
 586         if (err)
 587                 return err;
 588
 589         ipc->ops.tx_msg = skl_ipc_tx_msg;
 590         ipc->ops.tx_data_copy = skl_ipc_tx_data_copy;
 591         ipc->ops.is_dsp_busy = skl_ipc_is_dsp_busy;
 592
 593         return 0;
 594 }
 595
 596 void skl_ipc_free(struct sst_generic_ipc *ipc)
 597 {
 598         /* Disable IPC DONE interrupt */
 599         sst_dsp_shim_update_bits(ipc->dsp, SKL_ADSP_REG_HIPCCTL,
 600                 SKL_ADSP_REG_HIPCCTL_DONE, 0);
 601
 602         /* Disable IPC BUSY interrupt */
 603         sst_dsp_shim_update_bits(ipc->dsp, SKL_ADSP_REG_HIPCCTL,
 604                 SKL_ADSP_REG_HIPCCTL_BUSY, 0);
 605
 606         sst_ipc_fini(ipc);
 607 }
 608
 609 int skl_ipc_create_pipeline(struct sst_generic_ipc *ipc,
 610                 u16 ppl_mem_size, u8 ppl_type, u8 instance_id, u8 lp_mode)
 611 {
 612         struct skl_ipc_header header = {0};
 613         u64 *ipc_header = (u64 *)(&header);
 614         int ret;
 615
 616         header.primary = IPC_MSG_TARGET(IPC_FW_GEN_MSG);
 617         header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
 618         header.primary |= IPC_GLB_TYPE(IPC_GLB_CREATE_PPL);
 619         header.primary |= IPC_INSTANCE_ID(instance_id);
 620         header.primary |= IPC_PPL_TYPE(ppl_type);
 621         header.primary |= IPC_PPL_MEM_SIZE(ppl_mem_size);
 622
 623         header.extension = IPC_PPL_LP_MODE(lp_mode);
 624
 625         dev_dbg(ipc->dev, "In %s header=%d\n", __func__, header.primary);
 626         ret = sst_ipc_tx_message_wait(ipc, *ipc_header, NULL, 0, NULL, 0);
 627         if (ret < 0) {
 628                 dev_err(ipc->dev, "ipc: create pipeline fail, err: %d\n", ret);
 629                 return ret;
 630         }
 631
 632         return ret;
 633 }
 634 EXPORT_SYMBOL_GPL(skl_ipc_create_pipeline);
 635
 636 int skl_ipc_delete_pipeline(struct sst_generic_ipc *ipc, u8 instance_id)
 637 {
 638         struct skl_ipc_header header = {0};
 639         u64 *ipc_header = (u64 *)(&header);
 640         int ret;
 641
 642         header.primary = IPC_MSG_TARGET(IPC_FW_GEN_MSG);
 643         header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
 644         header.primary |= IPC_GLB_TYPE(IPC_GLB_DELETE_PPL);
 645         header.primary |= IPC_INSTANCE_ID(instance_id);
 646
 647         dev_dbg(ipc->dev, "In %s header=%d\n", __func__, header.primary);
 648         ret = sst_ipc_tx_message_wait(ipc, *ipc_header, NULL, 0, NULL, 0);
 649         if (ret < 0) {
 650                 dev_err(ipc->dev, "ipc: delete pipeline failed, err %d\n", ret);
 651                 return ret;
 652         }
 653
 654         return 0;
 655 }
 656 EXPORT_SYMBOL_GPL(skl_ipc_delete_pipeline);
 657
 658 int skl_ipc_set_pipeline_state(struct sst_generic_ipc *ipc,
 659                 u8 instance_id, enum skl_ipc_pipeline_state state)
 660 {
 661         struct skl_ipc_header header = {0};
 662         u64 *ipc_header = (u64 *)(&header);
 663         int ret;
 664
 665         header.primary = IPC_MSG_TARGET(IPC_FW_GEN_MSG);
 666         header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
 667         header.primary |= IPC_GLB_TYPE(IPC_GLB_SET_PPL_STATE);
 668         header.primary |= IPC_INSTANCE_ID(instance_id);
 669         header.primary |= IPC_PPL_STATE(state);
 670
 671         dev_dbg(ipc->dev, "In %s header=%d\n", __func__, header.primary);
 672         ret = sst_ipc_tx_message_wait(ipc, *ipc_header, NULL, 0, NULL, 0);
 673         if (ret < 0) {
 674                 dev_err(ipc->dev, "ipc: set pipeline state failed, err: %d\n", ret);
 675                 return ret;
 676         }
 677         return ret;
 678 }
 679 EXPORT_SYMBOL_GPL(skl_ipc_set_pipeline_state);
 680
 681 int
 682 skl_ipc_save_pipeline(struct sst_generic_ipc *ipc, u8 instance_id, int dma_id)
 683 {
 684         struct skl_ipc_header header = {0};
 685         u64 *ipc_header = (u64 *)(&header);
 686         int ret;
 687
 688         header.primary = IPC_MSG_TARGET(IPC_FW_GEN_MSG);
 689         header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
 690         header.primary |= IPC_GLB_TYPE(IPC_GLB_SAVE_PPL);
 691         header.primary |= IPC_INSTANCE_ID(instance_id);
 692
 693         header.extension = IPC_DMA_ID(dma_id);
 694         dev_dbg(ipc->dev, "In %s header=%d\n", __func__, header.primary);
 695         ret = sst_ipc_tx_message_wait(ipc, *ipc_header, NULL, 0, NULL, 0);
 696         if (ret < 0) {
 697                 dev_err(ipc->dev, "ipc: save pipeline failed, err: %d\n", ret);
 698                 return ret;
 699         }
 700
 701         return ret;
 702 }
 703 EXPORT_SYMBOL_GPL(skl_ipc_save_pipeline);
 704
 705 int skl_ipc_restore_pipeline(struct sst_generic_ipc *ipc, u8 instance_id)
 706 {
 707         struct skl_ipc_header header = {0};
 708         u64 *ipc_header = (u64 *)(&header);
 709         int ret;
 710
 711         header.primary = IPC_MSG_TARGET(IPC_FW_GEN_MSG);
 712         header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
 713         header.primary |= IPC_GLB_TYPE(IPC_GLB_RESTORE_PPL);
 714         header.primary |= IPC_INSTANCE_ID(instance_id);
 715
 716         dev_dbg(ipc->dev, "In %s header=%d\n", __func__, header.primary);
 717         ret = sst_ipc_tx_message_wait(ipc, *ipc_header, NULL, 0, NULL, 0);
 718         if (ret < 0) {
 719                 dev_err(ipc->dev, "ipc: restore  pipeline failed, err: %d\n", ret);
 720                 return ret;
 721         }
 722
 723         return ret;
 724 }
 725 EXPORT_SYMBOL_GPL(skl_ipc_restore_pipeline);
 726
 727 int skl_ipc_set_dx(struct sst_generic_ipc *ipc, u8 instance_id,
 728                 u16 module_id, struct skl_ipc_dxstate_info *dx)
 729 {
 730         struct skl_ipc_header header = {0};
 731         u64 *ipc_header = (u64 *)(&header);
 732         int ret;
 733
 734         header.primary = IPC_MSG_TARGET(IPC_MOD_MSG);
 735         header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
 736         header.primary |= IPC_GLB_TYPE(IPC_MOD_SET_DX);
 737         header.primary |= IPC_MOD_INSTANCE_ID(instance_id);
 738         header.primary |= IPC_MOD_ID(module_id);
 739
 740         dev_dbg(ipc->dev, "In %s primary =%x ext=%x\n", __func__,
 741                          header.primary, header.extension);
 742         ret = sst_ipc_tx_message_wait(ipc, *ipc_header,
 743                                 dx, sizeof(*dx), NULL, 0);
 744         if (ret < 0) {
 745                 dev_err(ipc->dev, "ipc: set dx failed, err %d\n", ret);
 746                 return ret;
 747         }
 748
 749         return ret;
 750 }
 751 EXPORT_SYMBOL_GPL(skl_ipc_set_dx);
 752
 753 int skl_ipc_init_instance(struct sst_generic_ipc *ipc,
 754                 struct skl_ipc_init_instance_msg *msg, void *param_data)
 755 {
 756         struct skl_ipc_header header = {0};
 757         u64 *ipc_header = (u64 *)(&header);
 758         int ret;
 759         u32 *buffer = (u32 *)param_data;
 760          /* param_block_size must be in dwords */
 761         u16 param_block_size = msg->param_data_size / sizeof(u32);
 762
 763         print_hex_dump_debug("Param data:", DUMP_PREFIX_NONE,
 764                 16, 4, buffer, param_block_size, false);
 765
 766         header.primary = IPC_MSG_TARGET(IPC_MOD_MSG);
 767         header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
 768         header.primary |= IPC_GLB_TYPE(IPC_MOD_INIT_INSTANCE);
 769         header.primary |= IPC_MOD_INSTANCE_ID(msg->instance_id);
 770         header.primary |= IPC_MOD_ID(msg->module_id);
 771
 772         header.extension = IPC_CORE_ID(msg->core_id);
 773         header.extension |= IPC_PPL_INSTANCE_ID(msg->ppl_instance_id);
 774         header.extension |= IPC_PARAM_BLOCK_SIZE(param_block_size);
 775         header.extension |= IPC_DOMAIN(msg->domain);
 776
 777         dev_dbg(ipc->dev, "In %s primary =%x ext=%x\n", __func__,
 778                          header.primary, header.extension);
 779         ret = sst_ipc_tx_message_wait(ipc, *ipc_header, param_data,
 780                         msg->param_data_size, NULL, 0);
 781
 782         if (ret < 0) {
 783                 dev_err(ipc->dev, "ipc: init instance failed\n");
 784                 return ret;
 785         }
 786
 787         return ret;
 788 }
 789 EXPORT_SYMBOL_GPL(skl_ipc_init_instance);
 790
 791 int skl_ipc_bind_unbind(struct sst_generic_ipc *ipc,
 792                 struct skl_ipc_bind_unbind_msg *msg)
 793 {
 794         struct skl_ipc_header header = {0};
 795         u64 *ipc_header = (u64 *)(&header);
 796         u8 bind_unbind = msg->bind ? IPC_MOD_BIND : IPC_MOD_UNBIND;
 797         int ret;
 798
 799         header.primary = IPC_MSG_TARGET(IPC_MOD_MSG);
 800         header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
 801         header.primary |= IPC_GLB_TYPE(bind_unbind);
 802         header.primary |= IPC_MOD_INSTANCE_ID(msg->instance_id);
 803         header.primary |= IPC_MOD_ID(msg->module_id);
 804
 805         header.extension = IPC_DST_MOD_ID(msg->dst_module_id);
 806         header.extension |= IPC_DST_MOD_INSTANCE_ID(msg->dst_instance_id);
 807         header.extension |= IPC_DST_QUEUE(msg->dst_queue);
 808         header.extension |= IPC_SRC_QUEUE(msg->src_queue);
 809
 810         dev_dbg(ipc->dev, "In %s hdr=%x ext=%x\n", __func__, header.primary,
 811                          header.extension);
 812         ret = sst_ipc_tx_message_wait(ipc, *ipc_header, NULL, 0, NULL, 0);
 813         if (ret < 0) {
 814                 dev_err(ipc->dev, "ipc: bind/unbind failed\n");
 815                 return ret;
 816         }
 817
 818         return ret;
 819 }
 820 EXPORT_SYMBOL_GPL(skl_ipc_bind_unbind);
 821
 822 /*
 823  * In order to load a module we need to send IPC to initiate that. DMA will
 824  * performed to load the module memory. The FW supports multiple module load
 825  * at single shot, so we can send IPC with N modules represented by
 826  * module_cnt
 827  */
 828 int skl_ipc_load_modules(struct sst_generic_ipc *ipc,
 829                                 u8 module_cnt, void *data)
 830 {
 831         struct skl_ipc_header header = {0};
 832         u64 *ipc_header = (u64 *)(&header);
 833         int ret;
 834
 835         header.primary = IPC_MSG_TARGET(IPC_FW_GEN_MSG);
 836         header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
 837         header.primary |= IPC_GLB_TYPE(IPC_GLB_LOAD_MULTIPLE_MODS);
 838         header.primary |= IPC_LOAD_MODULE_CNT(module_cnt);
 839
 840         ret = sst_ipc_tx_message_nowait(ipc, *ipc_header, data,
 841                                 (sizeof(u16) * module_cnt));
 842         if (ret < 0)
 843                 dev_err(ipc->dev, "ipc: load modules failed :%d\n", ret);
 844
 845         return ret;
 846 }
 847 EXPORT_SYMBOL_GPL(skl_ipc_load_modules);
 848
 849 int skl_ipc_unload_modules(struct sst_generic_ipc *ipc, u8 module_cnt,
 850                                                         void *data)
 851 {
 852         struct skl_ipc_header header = {0};
 853         u64 *ipc_header = (u64 *)(&header);
 854         int ret;
 855
 856         header.primary = IPC_MSG_TARGET(IPC_FW_GEN_MSG);
 857         header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
 858         header.primary |= IPC_GLB_TYPE(IPC_GLB_UNLOAD_MULTIPLE_MODS);
 859         header.primary |= IPC_LOAD_MODULE_CNT(module_cnt);
 860
 861         ret = sst_ipc_tx_message_wait(ipc, *ipc_header, data,
 862                                 (sizeof(u16) * module_cnt), NULL, 0);
 863         if (ret < 0)
 864                 dev_err(ipc->dev, "ipc: unload modules failed :%d\n", ret);
 865
 866         return ret;
 867 }
 868 EXPORT_SYMBOL_GPL(skl_ipc_unload_modules);
 869
 870 int skl_ipc_set_large_config(struct sst_generic_ipc *ipc,
 871                 struct skl_ipc_large_config_msg *msg, u32 *param)
 872 {
 873         struct skl_ipc_header header = {0};
 874         u64 *ipc_header = (u64 *)(&header);
 875         int ret = 0;
 876         size_t sz_remaining, tx_size, data_offset;
 877
 878         header.primary = IPC_MSG_TARGET(IPC_MOD_MSG);
 879         header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
 880         header.primary |= IPC_GLB_TYPE(IPC_MOD_LARGE_CONFIG_SET);
 881         header.primary |= IPC_MOD_INSTANCE_ID(msg->instance_id);
 882         header.primary |= IPC_MOD_ID(msg->module_id);
 883
 884         header.extension = IPC_DATA_OFFSET_SZ(msg->param_data_size);
 885         header.extension |= IPC_LARGE_PARAM_ID(msg->large_param_id);
 886         header.extension |= IPC_FINAL_BLOCK(0);
 887         header.extension |= IPC_INITIAL_BLOCK(1);
 888
 889         sz_remaining = msg->param_data_size;
 890         data_offset = 0;
 891         while (sz_remaining != 0) {
 892                 tx_size = sz_remaining > SKL_ADSP_W1_SZ
 893                                 ? SKL_ADSP_W1_SZ : sz_remaining;
 894                 if (tx_size == sz_remaining)
 895                         header.extension |= IPC_FINAL_BLOCK(1);
 896
 897                 dev_dbg(ipc->dev, "In %s primary=%#x ext=%#x\n", __func__,
 898                         header.primary, header.extension);
 899                 dev_dbg(ipc->dev, "transmitting offset: %#x, size: %#x\n",
 900                         (unsigned)data_offset, (unsigned)tx_size);
 901                 ret = sst_ipc_tx_message_wait(ipc, *ipc_header,
 902                                           ((char *)param) + data_offset,
 903                                           tx_size, NULL, 0);
 904                 if (ret < 0) {
 905                         dev_err(ipc->dev,
 906                                 "ipc: set large config fail, err: %d\n", ret);
 907                         return ret;
 908                 }
 909                 sz_remaining -= tx_size;
 910                 data_offset = msg->param_data_size - sz_remaining;
 911
 912                 /* clear the fields */
 913                 header.extension &= IPC_INITIAL_BLOCK_CLEAR;
 914                 header.extension &= IPC_DATA_OFFSET_SZ_CLEAR;
 915                 /* fill the fields */
 916                 header.extension |= IPC_INITIAL_BLOCK(0);
 917                 header.extension |= IPC_DATA_OFFSET_SZ(data_offset);
 918         }
 919
 920         return ret;
 921 }
 922 EXPORT_SYMBOL_GPL(skl_ipc_set_large_config);
 923
 924 int skl_ipc_get_large_config(struct sst_generic_ipc *ipc,
 925                 struct skl_ipc_large_config_msg *msg, u32 *param)
 926 {
 927         struct skl_ipc_header header = {0};
 928         u64 *ipc_header = (u64 *)(&header);
 929         int ret = 0;
 930         size_t sz_remaining, rx_size, data_offset;
 931
 932         header.primary = IPC_MSG_TARGET(IPC_MOD_MSG);
 933         header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
 934         header.primary |= IPC_GLB_TYPE(IPC_MOD_LARGE_CONFIG_GET);
 935         header.primary |= IPC_MOD_INSTANCE_ID(msg->instance_id);
 936         header.primary |= IPC_MOD_ID(msg->module_id);
 937
 938         header.extension = IPC_DATA_OFFSET_SZ(msg->param_data_size);
 939         header.extension |= IPC_LARGE_PARAM_ID(msg->large_param_id);
 940         header.extension |= IPC_FINAL_BLOCK(1);
 941         header.extension |= IPC_INITIAL_BLOCK(1);
 942
 943         sz_remaining = msg->param_data_size;
 944         data_offset = 0;
 945
 946         while (sz_remaining != 0) {
 947                 rx_size = sz_remaining > SKL_ADSP_W1_SZ
 948                                 ? SKL_ADSP_W1_SZ : sz_remaining;
 949                 if (rx_size == sz_remaining)
 950                         header.extension |= IPC_FINAL_BLOCK(1);
 951
 952                 ret = sst_ipc_tx_message_wait(ipc, *ipc_header, NULL, 0,
 953                                               ((char *)param) + data_offset,
 954                                               msg->param_data_size);
 955                 if (ret < 0) {
 956                         dev_err(ipc->dev,
 957                                 "ipc: get large config fail, err: %d\n", ret);
 958                         return ret;
 959                 }
 960                 sz_remaining -= rx_size;
 961                 data_offset = msg->param_data_size - sz_remaining;
 962
 963                 /* clear the fields */
 964                 header.extension &= IPC_INITIAL_BLOCK_CLEAR;
 965                 header.extension &= IPC_DATA_OFFSET_SZ_CLEAR;
 966                 /* fill the fields */
 967                 header.extension |= IPC_INITIAL_BLOCK(1);
 968                 header.extension |= IPC_DATA_OFFSET_SZ(data_offset);
 969         }
 970
 971         return ret;
 972 }
 973 EXPORT_SYMBOL_GPL(skl_ipc_get_large_config);
 974
 975 int skl_sst_ipc_load_library(struct sst_generic_ipc *ipc,
 976                                 u8 dma_id, u8 table_id, bool wait)
 977 {
 978         struct skl_ipc_header header = {0};
 979         u64 *ipc_header = (u64 *)(&header);
 980         int ret = 0;
 981
 982         header.primary = IPC_MSG_TARGET(IPC_FW_GEN_MSG);
 983         header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
 984         header.primary |= IPC_GLB_TYPE(IPC_GLB_LOAD_LIBRARY);
 985         header.primary |= IPC_MOD_INSTANCE_ID(table_id);
 986         header.primary |= IPC_MOD_ID(dma_id);
 987
 988         if (wait)
 989                 ret = sst_ipc_tx_message_wait(ipc, *ipc_header,
 990                                         NULL, 0, NULL, 0);
 991         else
 992                 ret = sst_ipc_tx_message_nowait(ipc, *ipc_header, NULL, 0);
 993
 994         if (ret < 0)
 995                 dev_err(ipc->dev, "ipc: load lib failed\n");
 996
 997         return ret;
 998 }
 999 EXPORT_SYMBOL_GPL(skl_sst_ipc_load_library);
1000
1001 int skl_ipc_set_d0ix(struct sst_generic_ipc *ipc, struct skl_ipc_d0ix_msg *msg)
1002 {
1003         struct skl_ipc_header header = {0};
1004         u64 *ipc_header = (u64 *)(&header);
1005         int ret;
1006
1007         header.primary = IPC_MSG_TARGET(IPC_MOD_MSG);
1008         header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
1009         header.primary |= IPC_GLB_TYPE(IPC_MOD_SET_D0IX);
1010         header.primary |= IPC_MOD_INSTANCE_ID(msg->instance_id);
1011         header.primary |= IPC_MOD_ID(msg->module_id);
1012
1013         header.extension = IPC_D0IX_WAKE(msg->wake);
1014         header.extension |= IPC_D0IX_STREAMING(msg->streaming);
1015
1016         dev_dbg(ipc->dev, "In %s primary=%x ext=%x\n", __func__,
1017                         header.primary, header.extension);
1018
1019         /*
1020          * Use the nopm IPC here as we dont want it checking for D0iX
1021          */
1022         ret = sst_ipc_tx_message_nopm(ipc, *ipc_header, NULL, 0, NULL, 0);
1023         if (ret < 0)
1024                 dev_err(ipc->dev, "ipc: set d0ix failed, err %d\n", ret);
1025
1026         return ret;
1027 }
1028 EXPORT_SYMBOL_GPL(skl_ipc_set_d0ix);