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 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 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 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         unsigned long flags;
 417
 418         spin_lock_irqsave(&ipc->dsp->spinlock, flags);
 419         msg = skl_ipc_reply_get_msg(ipc, *ipc_header);
 420         spin_unlock_irqrestore(&ipc->dsp->spinlock, flags);
 421         if (msg == NULL) {
 422                 dev_dbg(ipc->dev, "ipc: rx list is empty\n");
 423                 return;
 424         }
 425
 426         /* first process the header */
 427         if (reply == IPC_GLB_REPLY_SUCCESS) {
 428                 dev_dbg(ipc->dev, "ipc FW reply %x: success\n", header.primary);
 429                 /* copy the rx data from the mailbox */
 430                 sst_dsp_inbox_read(ipc->dsp, msg->rx_data, msg->rx_size);
 431                 switch (IPC_GLB_NOTIFY_MSG_TYPE(header.primary)) {
 432                 case IPC_GLB_LOAD_MULTIPLE_MODS:
 433                 case IPC_GLB_LOAD_LIBRARY:
 434                         skl->mod_load_complete = true;
 435                         skl->mod_load_status = true;
 436                         wake_up(&skl->mod_load_wait);
 437                         break;
 438
 439                 default:
 440                         break;
 441
 442                 }
 443         } else {
 444                 msg->errno = skl_ipc_set_reply_error_code(reply);
 445                 dev_err(ipc->dev, "ipc FW reply: reply=%d\n", reply);
 446                 dev_err(ipc->dev, "FW Error Code: %u\n",
 447                         ipc->dsp->fw_ops.get_fw_errcode(ipc->dsp));
 448                 switch (IPC_GLB_NOTIFY_MSG_TYPE(header.primary)) {
 449                 case IPC_GLB_LOAD_MULTIPLE_MODS:
 450                 case IPC_GLB_LOAD_LIBRARY:
 451                         skl->mod_load_complete = true;
 452                         skl->mod_load_status = false;
 453                         wake_up(&skl->mod_load_wait);
 454                         break;
 455
 456                 default:
 457                         break;
 458
 459                 }
 460         }
 461
 462         spin_lock_irqsave(&ipc->dsp->spinlock, flags);
 463         list_del(&msg->list);
 464         sst_ipc_tx_msg_reply_complete(ipc, msg);
 465         spin_unlock_irqrestore(&ipc->dsp->spinlock, flags);
 466 }
 467
 468 irqreturn_t skl_dsp_irq_thread_handler(int irq, void *context)
 469 {
 470         struct sst_dsp *dsp = context;
 471         struct skl_sst *skl = sst_dsp_get_thread_context(dsp);
 472         struct sst_generic_ipc *ipc = &skl->ipc;
 473         struct skl_ipc_header header = {0};
 474         u32 hipcie, hipct, hipcte;
 475         int ipc_irq = 0;
 476
 477         if (dsp->intr_status & SKL_ADSPIS_CL_DMA)
 478                 skl_cldma_process_intr(dsp);
 479
 480         /* Here we handle IPC interrupts only */
 481         if (!(dsp->intr_status & SKL_ADSPIS_IPC))
 482                 return IRQ_NONE;
 483
 484         hipcie = sst_dsp_shim_read_unlocked(dsp, SKL_ADSP_REG_HIPCIE);
 485         hipct = sst_dsp_shim_read_unlocked(dsp, SKL_ADSP_REG_HIPCT);
 486
 487         /* reply message from DSP */
 488         if (hipcie & SKL_ADSP_REG_HIPCIE_DONE) {
 489                 sst_dsp_shim_update_bits(dsp, SKL_ADSP_REG_HIPCCTL,
 490                         SKL_ADSP_REG_HIPCCTL_DONE, 0);
 491
 492                 /* clear DONE bit - tell DSP we have completed the operation */
 493                 sst_dsp_shim_update_bits_forced(dsp, SKL_ADSP_REG_HIPCIE,
 494                         SKL_ADSP_REG_HIPCIE_DONE, SKL_ADSP_REG_HIPCIE_DONE);
 495
 496                 ipc_irq = 1;
 497
 498                 /* unmask Done interrupt */
 499                 sst_dsp_shim_update_bits(dsp, SKL_ADSP_REG_HIPCCTL,
 500                         SKL_ADSP_REG_HIPCCTL_DONE, SKL_ADSP_REG_HIPCCTL_DONE);
 501         }
 502
 503         /* New message from DSP */
 504         if (hipct & SKL_ADSP_REG_HIPCT_BUSY) {
 505                 hipcte = sst_dsp_shim_read_unlocked(dsp, SKL_ADSP_REG_HIPCTE);
 506                 header.primary = hipct;
 507                 header.extension = hipcte;
 508                 dev_dbg(dsp->dev, "IPC irq: Firmware respond primary:%x\n",
 509                                                 header.primary);
 510                 dev_dbg(dsp->dev, "IPC irq: Firmware respond extension:%x\n",
 511                                                 header.extension);
 512
 513                 if (IPC_GLB_NOTIFY_RSP_TYPE(header.primary)) {
 514                         /* Handle Immediate reply from DSP Core */
 515                         skl_ipc_process_reply(ipc, header);
 516                 } else {
 517                         dev_dbg(dsp->dev, "IPC irq: Notification from firmware\n");
 518                         skl_ipc_process_notification(ipc, header);
 519                 }
 520                 /* clear  busy interrupt */
 521                 sst_dsp_shim_update_bits_forced(dsp, SKL_ADSP_REG_HIPCT,
 522                         SKL_ADSP_REG_HIPCT_BUSY, SKL_ADSP_REG_HIPCT_BUSY);
 523                 ipc_irq = 1;
 524         }
 525
 526         if (ipc_irq == 0)
 527                 return IRQ_NONE;
 528
 529         skl_ipc_int_enable(dsp);
 530
 531         /* continue to send any remaining messages... */
 532         schedule_work(&ipc->kwork);
 533
 534         return IRQ_HANDLED;
 535 }
 536
 537 void skl_ipc_int_enable(struct sst_dsp *ctx)
 538 {
 539         sst_dsp_shim_update_bits(ctx, SKL_ADSP_REG_ADSPIC,
 540                         SKL_ADSPIC_IPC, SKL_ADSPIC_IPC);
 541 }
 542
 543 void skl_ipc_int_disable(struct sst_dsp *ctx)
 544 {
 545         sst_dsp_shim_update_bits_unlocked(ctx, SKL_ADSP_REG_ADSPIC,
 546                         SKL_ADSPIC_IPC, 0);
 547 }
 548
 549 void skl_ipc_op_int_enable(struct sst_dsp *ctx)
 550 {
 551         /* enable IPC DONE interrupt */
 552         sst_dsp_shim_update_bits(ctx, SKL_ADSP_REG_HIPCCTL,
 553                 SKL_ADSP_REG_HIPCCTL_DONE, SKL_ADSP_REG_HIPCCTL_DONE);
 554
 555         /* Enable IPC BUSY interrupt */
 556         sst_dsp_shim_update_bits(ctx, SKL_ADSP_REG_HIPCCTL,
 557                 SKL_ADSP_REG_HIPCCTL_BUSY, SKL_ADSP_REG_HIPCCTL_BUSY);
 558 }
 559
 560 void skl_ipc_op_int_disable(struct sst_dsp *ctx)
 561 {
 562         /* disable IPC DONE interrupt */
 563         sst_dsp_shim_update_bits_unlocked(ctx, SKL_ADSP_REG_HIPCCTL,
 564                                         SKL_ADSP_REG_HIPCCTL_DONE, 0);
 565
 566         /* Disable IPC BUSY interrupt */
 567         sst_dsp_shim_update_bits_unlocked(ctx, SKL_ADSP_REG_HIPCCTL,
 568                                         SKL_ADSP_REG_HIPCCTL_BUSY, 0);
 569
 570 }
 571
 572 bool skl_ipc_int_status(struct sst_dsp *ctx)
 573 {
 574         return sst_dsp_shim_read_unlocked(ctx,
 575                         SKL_ADSP_REG_ADSPIS) & SKL_ADSPIS_IPC;
 576 }
 577
 578 int skl_ipc_init(struct device *dev, struct skl_sst *skl)
 579 {
 580         struct sst_generic_ipc *ipc;
 581         int err;
 582
 583         ipc = &skl->ipc;
 584         ipc->dsp = skl->dsp;
 585         ipc->dev = dev;
 586
 587         ipc->tx_data_max_size = SKL_ADSP_W1_SZ;
 588         ipc->rx_data_max_size = SKL_ADSP_W0_UP_SZ;
 589
 590         err = sst_ipc_init(ipc);
 591         if (err)
 592                 return err;
 593
 594         ipc->ops.tx_msg = skl_ipc_tx_msg;
 595         ipc->ops.tx_data_copy = skl_ipc_tx_data_copy;
 596         ipc->ops.is_dsp_busy = skl_ipc_is_dsp_busy;
 597
 598         return 0;
 599 }
 600
 601 void skl_ipc_free(struct sst_generic_ipc *ipc)
 602 {
 603         /* Disable IPC DONE interrupt */
 604         sst_dsp_shim_update_bits(ipc->dsp, SKL_ADSP_REG_HIPCCTL,
 605                 SKL_ADSP_REG_HIPCCTL_DONE, 0);
 606
 607         /* Disable IPC BUSY interrupt */
 608         sst_dsp_shim_update_bits(ipc->dsp, SKL_ADSP_REG_HIPCCTL,
 609                 SKL_ADSP_REG_HIPCCTL_BUSY, 0);
 610
 611         sst_ipc_fini(ipc);
 612 }
 613
 614 int skl_ipc_create_pipeline(struct sst_generic_ipc *ipc,
 615                 u16 ppl_mem_size, u8 ppl_type, u8 instance_id, u8 lp_mode)
 616 {
 617         struct skl_ipc_header header = {0};
 618         u64 *ipc_header = (u64 *)(&header);
 619         int ret;
 620
 621         header.primary = IPC_MSG_TARGET(IPC_FW_GEN_MSG);
 622         header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
 623         header.primary |= IPC_GLB_TYPE(IPC_GLB_CREATE_PPL);
 624         header.primary |= IPC_INSTANCE_ID(instance_id);
 625         header.primary |= IPC_PPL_TYPE(ppl_type);
 626         header.primary |= IPC_PPL_MEM_SIZE(ppl_mem_size);
 627
 628         header.extension = IPC_PPL_LP_MODE(lp_mode);
 629
 630         dev_dbg(ipc->dev, "In %s header=%d\n", __func__, header.primary);
 631         ret = sst_ipc_tx_message_wait(ipc, *ipc_header, NULL, 0, NULL, 0);
 632         if (ret < 0) {
 633                 dev_err(ipc->dev, "ipc: create pipeline fail, err: %d\n", ret);
 634                 return ret;
 635         }
 636
 637         return ret;
 638 }
 639 EXPORT_SYMBOL_GPL(skl_ipc_create_pipeline);
 640
 641 int skl_ipc_delete_pipeline(struct sst_generic_ipc *ipc, u8 instance_id)
 642 {
 643         struct skl_ipc_header header = {0};
 644         u64 *ipc_header = (u64 *)(&header);
 645         int ret;
 646
 647         header.primary = IPC_MSG_TARGET(IPC_FW_GEN_MSG);
 648         header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
 649         header.primary |= IPC_GLB_TYPE(IPC_GLB_DELETE_PPL);
 650         header.primary |= IPC_INSTANCE_ID(instance_id);
 651
 652         dev_dbg(ipc->dev, "In %s header=%d\n", __func__, header.primary);
 653         ret = sst_ipc_tx_message_wait(ipc, *ipc_header, NULL, 0, NULL, 0);
 654         if (ret < 0) {
 655                 dev_err(ipc->dev, "ipc: delete pipeline failed, err %d\n", ret);
 656                 return ret;
 657         }
 658
 659         return 0;
 660 }
 661 EXPORT_SYMBOL_GPL(skl_ipc_delete_pipeline);
 662
 663 int skl_ipc_set_pipeline_state(struct sst_generic_ipc *ipc,
 664                 u8 instance_id, enum skl_ipc_pipeline_state state)
 665 {
 666         struct skl_ipc_header header = {0};
 667         u64 *ipc_header = (u64 *)(&header);
 668         int ret;
 669
 670         header.primary = IPC_MSG_TARGET(IPC_FW_GEN_MSG);
 671         header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
 672         header.primary |= IPC_GLB_TYPE(IPC_GLB_SET_PPL_STATE);
 673         header.primary |= IPC_INSTANCE_ID(instance_id);
 674         header.primary |= IPC_PPL_STATE(state);
 675
 676         dev_dbg(ipc->dev, "In %s header=%d\n", __func__, header.primary);
 677         ret = sst_ipc_tx_message_wait(ipc, *ipc_header, NULL, 0, NULL, 0);
 678         if (ret < 0) {
 679                 dev_err(ipc->dev, "ipc: set pipeline state failed, err: %d\n", ret);
 680                 return ret;
 681         }
 682         return ret;
 683 }
 684 EXPORT_SYMBOL_GPL(skl_ipc_set_pipeline_state);
 685
 686 int
 687 skl_ipc_save_pipeline(struct sst_generic_ipc *ipc, u8 instance_id, int dma_id)
 688 {
 689         struct skl_ipc_header header = {0};
 690         u64 *ipc_header = (u64 *)(&header);
 691         int ret;
 692
 693         header.primary = IPC_MSG_TARGET(IPC_FW_GEN_MSG);
 694         header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
 695         header.primary |= IPC_GLB_TYPE(IPC_GLB_SAVE_PPL);
 696         header.primary |= IPC_INSTANCE_ID(instance_id);
 697
 698         header.extension = IPC_DMA_ID(dma_id);
 699         dev_dbg(ipc->dev, "In %s header=%d\n", __func__, header.primary);
 700         ret = sst_ipc_tx_message_wait(ipc, *ipc_header, NULL, 0, NULL, 0);
 701         if (ret < 0) {
 702                 dev_err(ipc->dev, "ipc: save pipeline failed, err: %d\n", ret);
 703                 return ret;
 704         }
 705
 706         return ret;
 707 }
 708 EXPORT_SYMBOL_GPL(skl_ipc_save_pipeline);
 709
 710 int skl_ipc_restore_pipeline(struct sst_generic_ipc *ipc, u8 instance_id)
 711 {
 712         struct skl_ipc_header header = {0};
 713         u64 *ipc_header = (u64 *)(&header);
 714         int ret;
 715
 716         header.primary = IPC_MSG_TARGET(IPC_FW_GEN_MSG);
 717         header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
 718         header.primary |= IPC_GLB_TYPE(IPC_GLB_RESTORE_PPL);
 719         header.primary |= IPC_INSTANCE_ID(instance_id);
 720
 721         dev_dbg(ipc->dev, "In %s header=%d\n", __func__, header.primary);
 722         ret = sst_ipc_tx_message_wait(ipc, *ipc_header, NULL, 0, NULL, 0);
 723         if (ret < 0) {
 724                 dev_err(ipc->dev, "ipc: restore  pipeline failed, err: %d\n", ret);
 725                 return ret;
 726         }
 727
 728         return ret;
 729 }
 730 EXPORT_SYMBOL_GPL(skl_ipc_restore_pipeline);
 731
 732 int skl_ipc_set_dx(struct sst_generic_ipc *ipc, u8 instance_id,
 733                 u16 module_id, struct skl_ipc_dxstate_info *dx)
 734 {
 735         struct skl_ipc_header header = {0};
 736         u64 *ipc_header = (u64 *)(&header);
 737         int ret;
 738
 739         header.primary = IPC_MSG_TARGET(IPC_MOD_MSG);
 740         header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
 741         header.primary |= IPC_GLB_TYPE(IPC_MOD_SET_DX);
 742         header.primary |= IPC_MOD_INSTANCE_ID(instance_id);
 743         header.primary |= IPC_MOD_ID(module_id);
 744
 745         dev_dbg(ipc->dev, "In %s primary =%x ext=%x\n", __func__,
 746                          header.primary, header.extension);
 747         ret = sst_ipc_tx_message_wait(ipc, *ipc_header,
 748                                 dx, sizeof(*dx), NULL, 0);
 749         if (ret < 0) {
 750                 dev_err(ipc->dev, "ipc: set dx failed, err %d\n", ret);
 751                 return ret;
 752         }
 753
 754         return ret;
 755 }
 756 EXPORT_SYMBOL_GPL(skl_ipc_set_dx);
 757
 758 int skl_ipc_init_instance(struct sst_generic_ipc *ipc,
 759                 struct skl_ipc_init_instance_msg *msg, void *param_data)
 760 {
 761         struct skl_ipc_header header = {0};
 762         u64 *ipc_header = (u64 *)(&header);
 763         int ret;
 764         u32 *buffer = (u32 *)param_data;
 765          /* param_block_size must be in dwords */
 766         u16 param_block_size = msg->param_data_size / sizeof(u32);
 767
 768         print_hex_dump_debug("Param data:", DUMP_PREFIX_NONE,
 769                 16, 4, buffer, param_block_size, false);
 770
 771         header.primary = IPC_MSG_TARGET(IPC_MOD_MSG);
 772         header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
 773         header.primary |= IPC_GLB_TYPE(IPC_MOD_INIT_INSTANCE);
 774         header.primary |= IPC_MOD_INSTANCE_ID(msg->instance_id);
 775         header.primary |= IPC_MOD_ID(msg->module_id);
 776
 777         header.extension = IPC_CORE_ID(msg->core_id);
 778         header.extension |= IPC_PPL_INSTANCE_ID(msg->ppl_instance_id);
 779         header.extension |= IPC_PARAM_BLOCK_SIZE(param_block_size);
 780         header.extension |= IPC_DOMAIN(msg->domain);
 781
 782         dev_dbg(ipc->dev, "In %s primary =%x ext=%x\n", __func__,
 783                          header.primary, header.extension);
 784         ret = sst_ipc_tx_message_wait(ipc, *ipc_header, param_data,
 785                         msg->param_data_size, NULL, 0);
 786
 787         if (ret < 0) {
 788                 dev_err(ipc->dev, "ipc: init instance failed\n");
 789                 return ret;
 790         }
 791
 792         return ret;
 793 }
 794 EXPORT_SYMBOL_GPL(skl_ipc_init_instance);
 795
 796 int skl_ipc_bind_unbind(struct sst_generic_ipc *ipc,
 797                 struct skl_ipc_bind_unbind_msg *msg)
 798 {
 799         struct skl_ipc_header header = {0};
 800         u64 *ipc_header = (u64 *)(&header);
 801         u8 bind_unbind = msg->bind ? IPC_MOD_BIND : IPC_MOD_UNBIND;
 802         int ret;
 803
 804         header.primary = IPC_MSG_TARGET(IPC_MOD_MSG);
 805         header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
 806         header.primary |= IPC_GLB_TYPE(bind_unbind);
 807         header.primary |= IPC_MOD_INSTANCE_ID(msg->instance_id);
 808         header.primary |= IPC_MOD_ID(msg->module_id);
 809
 810         header.extension = IPC_DST_MOD_ID(msg->dst_module_id);
 811         header.extension |= IPC_DST_MOD_INSTANCE_ID(msg->dst_instance_id);
 812         header.extension |= IPC_DST_QUEUE(msg->dst_queue);
 813         header.extension |= IPC_SRC_QUEUE(msg->src_queue);
 814
 815         dev_dbg(ipc->dev, "In %s hdr=%x ext=%x\n", __func__, header.primary,
 816                          header.extension);
 817         ret = sst_ipc_tx_message_wait(ipc, *ipc_header, NULL, 0, NULL, 0);
 818         if (ret < 0) {
 819                 dev_err(ipc->dev, "ipc: bind/unbind failed\n");
 820                 return ret;
 821         }
 822
 823         return ret;
 824 }
 825 EXPORT_SYMBOL_GPL(skl_ipc_bind_unbind);
 826
 827 /*
 828  * In order to load a module we need to send IPC to initiate that. DMA will
 829  * performed to load the module memory. The FW supports multiple module load
 830  * at single shot, so we can send IPC with N modules represented by
 831  * module_cnt
 832  */
 833 int skl_ipc_load_modules(struct sst_generic_ipc *ipc,
 834                                 u8 module_cnt, void *data)
 835 {
 836         struct skl_ipc_header header = {0};
 837         u64 *ipc_header = (u64 *)(&header);
 838         int ret;
 839
 840         header.primary = IPC_MSG_TARGET(IPC_FW_GEN_MSG);
 841         header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
 842         header.primary |= IPC_GLB_TYPE(IPC_GLB_LOAD_MULTIPLE_MODS);
 843         header.primary |= IPC_LOAD_MODULE_CNT(module_cnt);
 844
 845         ret = sst_ipc_tx_message_nowait(ipc, *ipc_header, data,
 846                                 (sizeof(u16) * module_cnt));
 847         if (ret < 0)
 848                 dev_err(ipc->dev, "ipc: load modules failed :%d\n", ret);
 849
 850         return ret;
 851 }
 852 EXPORT_SYMBOL_GPL(skl_ipc_load_modules);
 853
 854 int skl_ipc_unload_modules(struct sst_generic_ipc *ipc, u8 module_cnt,
 855                                                         void *data)
 856 {
 857         struct skl_ipc_header header = {0};
 858         u64 *ipc_header = (u64 *)(&header);
 859         int ret;
 860
 861         header.primary = IPC_MSG_TARGET(IPC_FW_GEN_MSG);
 862         header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
 863         header.primary |= IPC_GLB_TYPE(IPC_GLB_UNLOAD_MULTIPLE_MODS);
 864         header.primary |= IPC_LOAD_MODULE_CNT(module_cnt);
 865
 866         ret = sst_ipc_tx_message_wait(ipc, *ipc_header, data,
 867                                 (sizeof(u16) * module_cnt), NULL, 0);
 868         if (ret < 0)
 869                 dev_err(ipc->dev, "ipc: unload modules failed :%d\n", ret);
 870
 871         return ret;
 872 }
 873 EXPORT_SYMBOL_GPL(skl_ipc_unload_modules);
 874
 875 int skl_ipc_set_large_config(struct sst_generic_ipc *ipc,
 876                 struct skl_ipc_large_config_msg *msg, u32 *param)
 877 {
 878         struct skl_ipc_header header = {0};
 879         u64 *ipc_header = (u64 *)(&header);
 880         int ret = 0;
 881         size_t sz_remaining, tx_size, data_offset;
 882
 883         header.primary = IPC_MSG_TARGET(IPC_MOD_MSG);
 884         header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
 885         header.primary |= IPC_GLB_TYPE(IPC_MOD_LARGE_CONFIG_SET);
 886         header.primary |= IPC_MOD_INSTANCE_ID(msg->instance_id);
 887         header.primary |= IPC_MOD_ID(msg->module_id);
 888
 889         header.extension = IPC_DATA_OFFSET_SZ(msg->param_data_size);
 890         header.extension |= IPC_LARGE_PARAM_ID(msg->large_param_id);
 891         header.extension |= IPC_FINAL_BLOCK(0);
 892         header.extension |= IPC_INITIAL_BLOCK(1);
 893
 894         sz_remaining = msg->param_data_size;
 895         data_offset = 0;
 896         while (sz_remaining != 0) {
 897                 tx_size = sz_remaining > SKL_ADSP_W1_SZ
 898                                 ? SKL_ADSP_W1_SZ : sz_remaining;
 899                 if (tx_size == sz_remaining)
 900                         header.extension |= IPC_FINAL_BLOCK(1);
 901
 902                 dev_dbg(ipc->dev, "In %s primary=%#x ext=%#x\n", __func__,
 903                         header.primary, header.extension);
 904                 dev_dbg(ipc->dev, "transmitting offset: %#x, size: %#x\n",
 905                         (unsigned)data_offset, (unsigned)tx_size);
 906                 ret = sst_ipc_tx_message_wait(ipc, *ipc_header,
 907                                           ((char *)param) + data_offset,
 908                                           tx_size, NULL, 0);
 909                 if (ret < 0) {
 910                         dev_err(ipc->dev,
 911                                 "ipc: set large config fail, err: %d\n", ret);
 912                         return ret;
 913                 }
 914                 sz_remaining -= tx_size;
 915                 data_offset = msg->param_data_size - sz_remaining;
 916
 917                 /* clear the fields */
 918                 header.extension &= IPC_INITIAL_BLOCK_CLEAR;
 919                 header.extension &= IPC_DATA_OFFSET_SZ_CLEAR;
 920                 /* fill the fields */
 921                 header.extension |= IPC_INITIAL_BLOCK(0);
 922                 header.extension |= IPC_DATA_OFFSET_SZ(data_offset);
 923         }
 924
 925         return ret;
 926 }
 927 EXPORT_SYMBOL_GPL(skl_ipc_set_large_config);
 928
 929 int skl_ipc_get_large_config(struct sst_generic_ipc *ipc,
 930                 struct skl_ipc_large_config_msg *msg, u32 *param)
 931 {
 932         struct skl_ipc_header header = {0};
 933         u64 *ipc_header = (u64 *)(&header);
 934         int ret = 0;
 935         size_t sz_remaining, rx_size, data_offset;
 936
 937         header.primary = IPC_MSG_TARGET(IPC_MOD_MSG);
 938         header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
 939         header.primary |= IPC_GLB_TYPE(IPC_MOD_LARGE_CONFIG_GET);
 940         header.primary |= IPC_MOD_INSTANCE_ID(msg->instance_id);
 941         header.primary |= IPC_MOD_ID(msg->module_id);
 942
 943         header.extension = IPC_DATA_OFFSET_SZ(msg->param_data_size);
 944         header.extension |= IPC_LARGE_PARAM_ID(msg->large_param_id);
 945         header.extension |= IPC_FINAL_BLOCK(1);
 946         header.extension |= IPC_INITIAL_BLOCK(1);
 947
 948         sz_remaining = msg->param_data_size;
 949         data_offset = 0;
 950
 951         while (sz_remaining != 0) {
 952                 rx_size = sz_remaining > SKL_ADSP_W1_SZ
 953                                 ? SKL_ADSP_W1_SZ : sz_remaining;
 954                 if (rx_size == sz_remaining)
 955                         header.extension |= IPC_FINAL_BLOCK(1);
 956
 957                 ret = sst_ipc_tx_message_wait(ipc, *ipc_header, NULL, 0,
 958                                               ((char *)param) + data_offset,
 959                                               msg->param_data_size);
 960                 if (ret < 0) {
 961                         dev_err(ipc->dev,
 962                                 "ipc: get large config fail, err: %d\n", ret);
 963                         return ret;
 964                 }
 965                 sz_remaining -= rx_size;
 966                 data_offset = msg->param_data_size - sz_remaining;
 967
 968                 /* clear the fields */
 969                 header.extension &= IPC_INITIAL_BLOCK_CLEAR;
 970                 header.extension &= IPC_DATA_OFFSET_SZ_CLEAR;
 971                 /* fill the fields */
 972                 header.extension |= IPC_INITIAL_BLOCK(1);
 973                 header.extension |= IPC_DATA_OFFSET_SZ(data_offset);
 974         }
 975
 976         return ret;
 977 }
 978 EXPORT_SYMBOL_GPL(skl_ipc_get_large_config);
 979
 980 int skl_sst_ipc_load_library(struct sst_generic_ipc *ipc,
 981                                 u8 dma_id, u8 table_id, bool wait)
 982 {
 983         struct skl_ipc_header header = {0};
 984         u64 *ipc_header = (u64 *)(&header);
 985         int ret = 0;
 986
 987         header.primary = IPC_MSG_TARGET(IPC_FW_GEN_MSG);
 988         header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
 989         header.primary |= IPC_GLB_TYPE(IPC_GLB_LOAD_LIBRARY);
 990         header.primary |= IPC_MOD_INSTANCE_ID(table_id);
 991         header.primary |= IPC_MOD_ID(dma_id);
 992
 993         if (wait)
 994                 ret = sst_ipc_tx_message_wait(ipc, *ipc_header,
 995                                         NULL, 0, NULL, 0);
 996         else
 997                 ret = sst_ipc_tx_message_nowait(ipc, *ipc_header, NULL, 0);
 998
 999         if (ret < 0)
1000                 dev_err(ipc->dev, "ipc: load lib failed\n");
1001
1002         return ret;
1003 }
1004 EXPORT_SYMBOL_GPL(skl_sst_ipc_load_library);
1005
1006 int skl_ipc_set_d0ix(struct sst_generic_ipc *ipc, struct skl_ipc_d0ix_msg *msg)
1007 {
1008         struct skl_ipc_header header = {0};
1009         u64 *ipc_header = (u64 *)(&header);
1010         int ret;
1011
1012         header.primary = IPC_MSG_TARGET(IPC_MOD_MSG);
1013         header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
1014         header.primary |= IPC_GLB_TYPE(IPC_MOD_SET_D0IX);
1015         header.primary |= IPC_MOD_INSTANCE_ID(msg->instance_id);
1016         header.primary |= IPC_MOD_ID(msg->module_id);
1017
1018         header.extension = IPC_D0IX_WAKE(msg->wake);
1019         header.extension |= IPC_D0IX_STREAMING(msg->streaming);
1020
1021         dev_dbg(ipc->dev, "In %s primary=%x ext=%x\n", __func__,
1022                         header.primary, header.extension);
1023
1024         /*
1025          * Use the nopm IPC here as we dont want it checking for D0iX
1026          */
1027         ret = sst_ipc_tx_message_nopm(ipc, *ipc_header, NULL, 0, NULL, 0);
1028         if (ret < 0)
1029                 dev_err(ipc->dev, "ipc: set d0ix failed, err %d\n", ret);
1030
1031         return ret;
1032 }
1033 EXPORT_SYMBOL_GPL(skl_ipc_set_d0ix);