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