sound/soc/intel/skylake/bxt-sst.c

   1 /*
   2  *  bxt-sst.c - DSP library functions for BXT platform
   3  *
   4  *  Copyright (C) 2015-16 Intel Corp
   5  *  Author:Rafal Redzimski <rafal.f.redzimski@intel.com>
   6  *         Jeeja KP <jeeja.kp@intel.com>
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; version 2 of the License.
  11  *
  12  *  This program is distributed in the hope that it will be useful, but
  13  *  WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  *  General Public License for more details.
  16  */
  17
  18 #include <linux/module.h>
  19 #include <linux/delay.h>
  20 #include <linux/firmware.h>
  21 #include <linux/device.h>
  22
  23 #include "../common/sst-dsp.h"
  24 #include "../common/sst-dsp-priv.h"
  25 #include "skl-sst-ipc.h"
  26
  27 #define BXT_BASEFW_TIMEOUT      3000
  28 #define BXT_INIT_TIMEOUT        300
  29 #define BXT_ROM_INIT_TIMEOUT    70
  30 #define BXT_IPC_PURGE_FW        0x01004000
  31
  32 #define BXT_ROM_INIT            0x5
  33 #define BXT_ADSP_SRAM0_BASE     0x80000
  34
  35 /* Firmware status window */
  36 #define BXT_ADSP_FW_STATUS      BXT_ADSP_SRAM0_BASE
  37 #define BXT_ADSP_ERROR_CODE     (BXT_ADSP_FW_STATUS + 0x4)
  38
  39 #define BXT_ADSP_SRAM1_BASE     0xA0000
  40
  41 #define BXT_INSTANCE_ID 0
  42 #define BXT_BASE_FW_MODULE_ID 0
  43
  44 #define BXT_ADSP_FW_BIN_HDR_OFFSET 0x2000
  45
  46 /* Delay before scheduling D0i3 entry */
  47 #define BXT_D0I3_DELAY 5000
  48
  49 #define BXT_FW_ROM_INIT_RETRY 3
  50
  51 static unsigned int bxt_get_errorcode(struct sst_dsp *ctx)
  52 {
  53          return sst_dsp_shim_read(ctx, BXT_ADSP_ERROR_CODE);
  54 }
  55
  56 static int
  57 bxt_load_library(struct sst_dsp *ctx, struct skl_lib_info *linfo, int lib_count)
  58 {
  59         struct snd_dma_buffer dmab;
  60         struct skl_sst *skl = ctx->thread_context;
  61         struct firmware stripped_fw;
  62         int ret = 0, i, dma_id, stream_tag;
  63
  64         /* library indices start from 1 to N. 0 represents base FW */
  65         for (i = 1; i < lib_count; i++) {
  66                 ret = skl_prepare_lib_load(skl, &skl->lib_info[i], &stripped_fw,
  67                                         BXT_ADSP_FW_BIN_HDR_OFFSET, i);
  68                 if (ret < 0)
  69                         goto load_library_failed;
  70
  71                 stream_tag = ctx->dsp_ops.prepare(ctx->dev, 0x40,
  72                                         stripped_fw.size, &dmab);
  73                 if (stream_tag <= 0) {
  74                         dev_err(ctx->dev, "Lib prepare DMA err: %x\n",
  75                                         stream_tag);
  76                         ret = stream_tag;
  77                         goto load_library_failed;
  78                 }
  79
  80                 dma_id = stream_tag - 1;
  81                 memcpy(dmab.area, stripped_fw.data, stripped_fw.size);
  82
  83                 ctx->dsp_ops.trigger(ctx->dev, true, stream_tag);
  84                 ret = skl_sst_ipc_load_library(&skl->ipc, dma_id, i, true);
  85                 if (ret < 0)
  86                         dev_err(ctx->dev, "IPC Load Lib for %s fail: %d\n",
  87                                         linfo[i].name, ret);
  88
  89                 ctx->dsp_ops.trigger(ctx->dev, false, stream_tag);
  90                 ctx->dsp_ops.cleanup(ctx->dev, &dmab, stream_tag);
  91         }
  92
  93         return ret;
  94
  95 load_library_failed:
  96         skl_release_library(linfo, lib_count);
  97         return ret;
  98 }
  99
 100 /*
 101  * First boot sequence has some extra steps. Core 0 waits for power
 102  * status on core 1, so power up core 1 also momentarily, keep it in
 103  * reset/stall and then turn it off
 104  */
 105 static int sst_bxt_prepare_fw(struct sst_dsp *ctx,
 106                         const void *fwdata, u32 fwsize)
 107 {
 108         int stream_tag, ret;
 109
 110         stream_tag = ctx->dsp_ops.prepare(ctx->dev, 0x40, fwsize, &ctx->dmab);
 111         if (stream_tag <= 0) {
 112                 dev_err(ctx->dev, "Failed to prepare DMA FW loading err: %x\n",
 113                                 stream_tag);
 114                 return stream_tag;
 115         }
 116
 117         ctx->dsp_ops.stream_tag = stream_tag;
 118         memcpy(ctx->dmab.area, fwdata, fwsize);
 119
 120         /* Step 1: Power up core 0 and core1 */
 121         ret = skl_dsp_core_power_up(ctx, SKL_DSP_CORE0_MASK |
 122                                 SKL_DSP_CORE_MASK(1));
 123         if (ret < 0) {
 124                 dev_err(ctx->dev, "dsp core0/1 power up failed\n");
 125                 goto base_fw_load_failed;
 126         }
 127
 128         /* Step 2: Purge FW request */
 129         sst_dsp_shim_write(ctx, SKL_ADSP_REG_HIPCI, SKL_ADSP_REG_HIPCI_BUSY |
 130                                 (BXT_IPC_PURGE_FW | ((stream_tag - 1) << 9)));
 131
 132         /* Step 3: Unset core0 reset state & unstall/run core0 */
 133         ret = skl_dsp_start_core(ctx, SKL_DSP_CORE0_MASK);
 134         if (ret < 0) {
 135                 dev_err(ctx->dev, "Start dsp core failed ret: %d\n", ret);
 136                 ret = -EIO;
 137                 goto base_fw_load_failed;
 138         }
 139
 140         /* Step 4: Wait for DONE Bit */
 141         ret = sst_dsp_register_poll(ctx, SKL_ADSP_REG_HIPCIE,
 142                                         SKL_ADSP_REG_HIPCIE_DONE,
 143                                         SKL_ADSP_REG_HIPCIE_DONE,
 144                                         BXT_INIT_TIMEOUT, "HIPCIE Done");
 145         if (ret < 0) {
 146                 dev_err(ctx->dev, "Timeout for Purge Request%d\n", ret);
 147                 goto base_fw_load_failed;
 148         }
 149
 150         /* Step 5: power down core1 */
 151         ret = skl_dsp_core_power_down(ctx, SKL_DSP_CORE_MASK(1));
 152         if (ret < 0) {
 153                 dev_err(ctx->dev, "dsp core1 power down failed\n");
 154                 goto base_fw_load_failed;
 155         }
 156
 157         /* Step 6: Enable Interrupt */
 158         skl_ipc_int_enable(ctx);
 159         skl_ipc_op_int_enable(ctx);
 160
 161         /* Step 7: Wait for ROM init */
 162         ret = sst_dsp_register_poll(ctx, BXT_ADSP_FW_STATUS, SKL_FW_STS_MASK,
 163                         SKL_FW_INIT, BXT_ROM_INIT_TIMEOUT, "ROM Load");
 164         if (ret < 0) {
 165                 dev_err(ctx->dev, "Timeout for ROM init, ret:%d\n", ret);
 166                 goto base_fw_load_failed;
 167         }
 168
 169         return ret;
 170
 171 base_fw_load_failed:
 172         ctx->dsp_ops.cleanup(ctx->dev, &ctx->dmab, stream_tag);
 173         skl_dsp_core_power_down(ctx, SKL_DSP_CORE_MASK(1));
 174         skl_dsp_disable_core(ctx, SKL_DSP_CORE0_MASK);
 175         return ret;
 176 }
 177
 178 static int sst_transfer_fw_host_dma(struct sst_dsp *ctx)
 179 {
 180         int ret;
 181
 182         ctx->dsp_ops.trigger(ctx->dev, true, ctx->dsp_ops.stream_tag);
 183         ret = sst_dsp_register_poll(ctx, BXT_ADSP_FW_STATUS, SKL_FW_STS_MASK,
 184                         BXT_ROM_INIT, BXT_BASEFW_TIMEOUT, "Firmware boot");
 185
 186         ctx->dsp_ops.trigger(ctx->dev, false, ctx->dsp_ops.stream_tag);
 187         ctx->dsp_ops.cleanup(ctx->dev, &ctx->dmab, ctx->dsp_ops.stream_tag);
 188
 189         return ret;
 190 }
 191
 192 static int bxt_load_base_firmware(struct sst_dsp *ctx)
 193 {
 194         struct firmware stripped_fw;
 195         struct skl_sst *skl = ctx->thread_context;
 196         int ret, i;
 197
 198         if (ctx->fw == NULL) {
 199                 ret = request_firmware(&ctx->fw, ctx->fw_name, ctx->dev);
 200                 if (ret < 0) {
 201                         dev_err(ctx->dev, "Request firmware failed %d\n", ret);
 202                         return ret;
 203                 }
 204         }
 205
 206         /* prase uuids on first boot */
 207         if (skl->is_first_boot) {
 208                 ret = snd_skl_parse_uuids(ctx, ctx->fw, BXT_ADSP_FW_BIN_HDR_OFFSET, 0);
 209                 if (ret < 0)
 210                         goto sst_load_base_firmware_failed;
 211         }
 212
 213         stripped_fw.data = ctx->fw->data;
 214         stripped_fw.size = ctx->fw->size;
 215         skl_dsp_strip_extended_manifest(&stripped_fw);
 216
 217
 218         for (i = 0; i < BXT_FW_ROM_INIT_RETRY; i++) {
 219                 ret = sst_bxt_prepare_fw(ctx, stripped_fw.data, stripped_fw.size);
 220                 if (ret == 0)
 221                         break;
 222         }
 223
 224         if (ret < 0) {
 225                 dev_err(ctx->dev, "Error code=0x%x: FW status=0x%x\n",
 226                         sst_dsp_shim_read(ctx, BXT_ADSP_ERROR_CODE),
 227                         sst_dsp_shim_read(ctx, BXT_ADSP_FW_STATUS));
 228
 229                 dev_err(ctx->dev, "Core En/ROM load fail:%d\n", ret);
 230                 goto sst_load_base_firmware_failed;
 231         }
 232
 233         ret = sst_transfer_fw_host_dma(ctx);
 234         if (ret < 0) {
 235                 dev_err(ctx->dev, "Transfer firmware failed %d\n", ret);
 236                 dev_info(ctx->dev, "Error code=0x%x: FW status=0x%x\n",
 237                         sst_dsp_shim_read(ctx, BXT_ADSP_ERROR_CODE),
 238                         sst_dsp_shim_read(ctx, BXT_ADSP_FW_STATUS));
 239
 240                 skl_dsp_disable_core(ctx, SKL_DSP_CORE0_MASK);
 241         } else {
 242                 dev_dbg(ctx->dev, "Firmware download successful\n");
 243                 ret = wait_event_timeout(skl->boot_wait, skl->boot_complete,
 244                                         msecs_to_jiffies(SKL_IPC_BOOT_MSECS));
 245                 if (ret == 0) {
 246                         dev_err(ctx->dev, "DSP boot fail, FW Ready timeout\n");
 247                         skl_dsp_disable_core(ctx, SKL_DSP_CORE0_MASK);
 248                         ret = -EIO;
 249                 } else {
 250                         ret = 0;
 251                         skl->fw_loaded = true;
 252                 }
 253         }
 254
 255         return ret;
 256
 257 sst_load_base_firmware_failed:
 258         release_firmware(ctx->fw);
 259         ctx->fw = NULL;
 260         return ret;
 261 }
 262
 263 /*
 264  * Decide the D0i3 state that can be targeted based on the usecase
 265  * ref counts and DSP state
 266  *
 267  * Decision Matrix:  (X= dont care; state = target state)
 268  *
 269  * DSP state != SKL_DSP_RUNNING ; state = no d0i3
 270  *
 271  * DSP state == SKL_DSP_RUNNING , the following matrix applies
 272  * non_d0i3 >0; streaming =X; non_streaming =X; state = no d0i3
 273  * non_d0i3 =X; streaming =0; non_streaming =0; state = no d0i3
 274  * non_d0i3 =0; streaming >0; non_streaming =X; state = streaming d0i3
 275  * non_d0i3 =0; streaming =0; non_streaming =X; state = non-streaming d0i3
 276  */
 277 static int bxt_d0i3_target_state(struct sst_dsp *ctx)
 278 {
 279         struct skl_sst *skl = ctx->thread_context;
 280         struct skl_d0i3_data *d0i3 = &skl->d0i3;
 281
 282         if (skl->cores.state[SKL_DSP_CORE0_ID] != SKL_DSP_RUNNING)
 283                 return SKL_DSP_D0I3_NONE;
 284
 285         if (d0i3->non_d0i3)
 286                 return SKL_DSP_D0I3_NONE;
 287         else if (d0i3->streaming)
 288                 return SKL_DSP_D0I3_STREAMING;
 289         else if (d0i3->non_streaming)
 290                 return SKL_DSP_D0I3_NON_STREAMING;
 291         else
 292                 return SKL_DSP_D0I3_NONE;
 293 }
 294
 295 static void bxt_set_dsp_D0i3(struct work_struct *work)
 296 {
 297         int ret;
 298         struct skl_ipc_d0ix_msg msg;
 299         struct skl_sst *skl = container_of(work,
 300                         struct skl_sst, d0i3.work.work);
 301         struct sst_dsp *ctx = skl->dsp;
 302         struct skl_d0i3_data *d0i3 = &skl->d0i3;
 303         int target_state;
 304
 305         dev_dbg(ctx->dev, "In %s:\n", __func__);
 306
 307         /* D0i3 entry allowed only if core 0 alone is running */
 308         if (skl_dsp_get_enabled_cores(ctx) !=  SKL_DSP_CORE0_MASK) {
 309                 dev_warn(ctx->dev,
 310                                 "D0i3 allowed when only core0 running:Exit\n");
 311                 return;
 312         }
 313
 314         target_state = bxt_d0i3_target_state(ctx);
 315         if (target_state == SKL_DSP_D0I3_NONE)
 316                 return;
 317
 318         msg.instance_id = 0;
 319         msg.module_id = 0;
 320         msg.wake = 1;
 321         msg.streaming = 0;
 322         if (target_state == SKL_DSP_D0I3_STREAMING)
 323                 msg.streaming = 1;
 324
 325         ret =  skl_ipc_set_d0ix(&skl->ipc, &msg);
 326
 327         if (ret < 0) {
 328                 dev_err(ctx->dev, "Failed to set DSP to D0i3 state\n");
 329                 return;
 330         }
 331
 332         /* Set Vendor specific register D0I3C.I3 to enable D0i3*/
 333         if (skl->update_d0i3c)
 334                 skl->update_d0i3c(skl->dev, true);
 335
 336         d0i3->state = target_state;
 337         skl->cores.state[SKL_DSP_CORE0_ID] = SKL_DSP_RUNNING_D0I3;
 338 }
 339
 340 static int bxt_schedule_dsp_D0i3(struct sst_dsp *ctx)
 341 {
 342         struct skl_sst *skl = ctx->thread_context;
 343         struct skl_d0i3_data *d0i3 = &skl->d0i3;
 344
 345         /* Schedule D0i3 only if the usecase ref counts are appropriate */
 346         if (bxt_d0i3_target_state(ctx) != SKL_DSP_D0I3_NONE) {
 347
 348                 dev_dbg(ctx->dev, "%s: Schedule D0i3\n", __func__);
 349
 350                 schedule_delayed_work(&d0i3->work,
 351                                 msecs_to_jiffies(BXT_D0I3_DELAY));
 352         }
 353
 354         return 0;
 355 }
 356
 357 static int bxt_set_dsp_D0i0(struct sst_dsp *ctx)
 358 {
 359         int ret;
 360         struct skl_ipc_d0ix_msg msg;
 361         struct skl_sst *skl = ctx->thread_context;
 362
 363         dev_dbg(ctx->dev, "In %s:\n", __func__);
 364
 365         /* First Cancel any pending attempt to put DSP to D0i3 */
 366         cancel_delayed_work_sync(&skl->d0i3.work);
 367
 368         /* If DSP is currently in D0i3, bring it to D0i0 */
 369         if (skl->cores.state[SKL_DSP_CORE0_ID] != SKL_DSP_RUNNING_D0I3)
 370                 return 0;
 371
 372         dev_dbg(ctx->dev, "Set DSP to D0i0\n");
 373
 374         msg.instance_id = 0;
 375         msg.module_id = 0;
 376         msg.streaming = 0;
 377         msg.wake = 0;
 378
 379         if (skl->d0i3.state == SKL_DSP_D0I3_STREAMING)
 380                 msg.streaming = 1;
 381
 382         /* Clear Vendor specific register D0I3C.I3 to disable D0i3*/
 383         if (skl->update_d0i3c)
 384                 skl->update_d0i3c(skl->dev, false);
 385
 386         ret =  skl_ipc_set_d0ix(&skl->ipc, &msg);
 387         if (ret < 0) {
 388                 dev_err(ctx->dev, "Failed to set DSP to D0i0\n");
 389                 return ret;
 390         }
 391
 392         skl->cores.state[SKL_DSP_CORE0_ID] = SKL_DSP_RUNNING;
 393         skl->d0i3.state = SKL_DSP_D0I3_NONE;
 394
 395         return 0;
 396 }
 397
 398 static int bxt_set_dsp_D0(struct sst_dsp *ctx, unsigned int core_id)
 399 {
 400         struct skl_sst *skl = ctx->thread_context;
 401         int ret;
 402         struct skl_ipc_dxstate_info dx;
 403         unsigned int core_mask = SKL_DSP_CORE_MASK(core_id);
 404
 405         if (skl->fw_loaded == false) {
 406                 skl->boot_complete = false;
 407                 ret = bxt_load_base_firmware(ctx);
 408                 if (ret < 0) {
 409                         dev_err(ctx->dev, "reload fw failed: %d\n", ret);
 410                         return ret;
 411                 }
 412
 413                 if (skl->lib_count > 1) {
 414                         ret = bxt_load_library(ctx, skl->lib_info,
 415                                                 skl->lib_count);
 416                         if (ret < 0) {
 417                                 dev_err(ctx->dev, "reload libs failed: %d\n", ret);
 418                                 return ret;
 419                         }
 420                 }
 421                 skl->cores.state[core_id] = SKL_DSP_RUNNING;
 422                 return ret;
 423         }
 424
 425         /* If core 0 is being turned on, turn on core 1 as well */
 426         if (core_id == SKL_DSP_CORE0_ID)
 427                 ret = skl_dsp_core_power_up(ctx, core_mask |
 428                                 SKL_DSP_CORE_MASK(1));
 429         else
 430                 ret = skl_dsp_core_power_up(ctx, core_mask);
 431
 432         if (ret < 0)
 433                 goto err;
 434
 435         if (core_id == SKL_DSP_CORE0_ID) {
 436
 437                 /*
 438                  * Enable interrupt after SPA is set and before
 439                  * DSP is unstalled
 440                  */
 441                 skl_ipc_int_enable(ctx);
 442                 skl_ipc_op_int_enable(ctx);
 443                 skl->boot_complete = false;
 444         }
 445
 446         ret = skl_dsp_start_core(ctx, core_mask);
 447         if (ret < 0)
 448                 goto err;
 449
 450         if (core_id == SKL_DSP_CORE0_ID) {
 451                 ret = wait_event_timeout(skl->boot_wait,
 452                                 skl->boot_complete,
 453                                 msecs_to_jiffies(SKL_IPC_BOOT_MSECS));
 454
 455         /* If core 1 was turned on for booting core 0, turn it off */
 456                 skl_dsp_core_power_down(ctx, SKL_DSP_CORE_MASK(1));
 457                 if (ret == 0) {
 458                         dev_err(ctx->dev, "%s: DSP boot timeout\n", __func__);
 459                         dev_err(ctx->dev, "Error code=0x%x: FW status=0x%x\n",
 460                                 sst_dsp_shim_read(ctx, BXT_ADSP_ERROR_CODE),
 461                                 sst_dsp_shim_read(ctx, BXT_ADSP_FW_STATUS));
 462                         dev_err(ctx->dev, "Failed to set core0 to D0 state\n");
 463                         ret = -EIO;
 464                         goto err;
 465                 }
 466         }
 467
 468         /* Tell FW if additional core in now On */
 469
 470         if (core_id != SKL_DSP_CORE0_ID) {
 471                 dx.core_mask = core_mask;
 472                 dx.dx_mask = core_mask;
 473
 474                 ret = skl_ipc_set_dx(&skl->ipc, BXT_INSTANCE_ID,
 475                                         BXT_BASE_FW_MODULE_ID, &dx);
 476                 if (ret < 0) {
 477                         dev_err(ctx->dev, "IPC set_dx for core %d fail: %d\n",
 478                                                                 core_id, ret);
 479                         goto err;
 480                 }
 481         }
 482
 483         skl->cores.state[core_id] = SKL_DSP_RUNNING;
 484         return 0;
 485 err:
 486         if (core_id == SKL_DSP_CORE0_ID)
 487                 core_mask |= SKL_DSP_CORE_MASK(1);
 488         skl_dsp_disable_core(ctx, core_mask);
 489
 490         return ret;
 491 }
 492
 493 static int bxt_set_dsp_D3(struct sst_dsp *ctx, unsigned int core_id)
 494 {
 495         int ret;
 496         struct skl_ipc_dxstate_info dx;
 497         struct skl_sst *skl = ctx->thread_context;
 498         unsigned int core_mask = SKL_DSP_CORE_MASK(core_id);
 499
 500         dx.core_mask = core_mask;
 501         dx.dx_mask = SKL_IPC_D3_MASK;
 502
 503         dev_dbg(ctx->dev, "core mask=%x dx_mask=%x\n",
 504                         dx.core_mask, dx.dx_mask);
 505
 506         ret = skl_ipc_set_dx(&skl->ipc, BXT_INSTANCE_ID,
 507                                 BXT_BASE_FW_MODULE_ID, &dx);
 508         if (ret < 0) {
 509                 dev_err(ctx->dev,
 510                 "Failed to set DSP to D3:core id = %d;Continue reset\n",
 511                 core_id);
 512                 /*
 513                  * In case of D3 failure, re-download the firmware, so set
 514                  * fw_loaded to false.
 515                  */
 516                 skl->fw_loaded = false;
 517         }
 518
 519         if (core_id == SKL_DSP_CORE0_ID) {
 520                 /* disable Interrupt */
 521                 skl_ipc_op_int_disable(ctx);
 522                 skl_ipc_int_disable(ctx);
 523         }
 524         ret = skl_dsp_disable_core(ctx, core_mask);
 525         if (ret < 0) {
 526                 dev_err(ctx->dev, "Failed to disable core %d\n", ret);
 527                 return ret;
 528         }
 529         skl->cores.state[core_id] = SKL_DSP_RESET;
 530         return 0;
 531 }
 532
 533 static struct skl_dsp_fw_ops bxt_fw_ops = {
 534         .set_state_D0 = bxt_set_dsp_D0,
 535         .set_state_D3 = bxt_set_dsp_D3,
 536         .set_state_D0i3 = bxt_schedule_dsp_D0i3,
 537         .set_state_D0i0 = bxt_set_dsp_D0i0,
 538         .load_fw = bxt_load_base_firmware,
 539         .get_fw_errcode = bxt_get_errorcode,
 540         .load_library = bxt_load_library,
 541 };
 542
 543 static struct sst_ops skl_ops = {
 544         .irq_handler = skl_dsp_sst_interrupt,
 545         .write = sst_shim32_write,
 546         .read = sst_shim32_read,
 547         .ram_read = sst_memcpy_fromio_32,
 548         .ram_write = sst_memcpy_toio_32,
 549         .free = skl_dsp_free,
 550 };
 551
 552 static struct sst_dsp_device skl_dev = {
 553         .thread = skl_dsp_irq_thread_handler,
 554         .ops = &skl_ops,
 555 };
 556
 557 int bxt_sst_dsp_init(struct device *dev, void __iomem *mmio_base, int irq,
 558                         const char *fw_name, struct skl_dsp_loader_ops dsp_ops,
 559                         struct skl_sst **dsp)
 560 {
 561         struct skl_sst *skl;
 562         struct sst_dsp *sst;
 563         int ret;
 564
 565         ret = skl_sst_ctx_init(dev, irq, fw_name, dsp_ops, dsp, &skl_dev);
 566         if (ret < 0) {
 567                 dev_err(dev, "%s: no device\n", __func__);
 568                 return ret;
 569         }
 570
 571         skl = *dsp;
 572         sst = skl->dsp;
 573         sst->fw_ops = bxt_fw_ops;
 574         sst->addr.lpe = mmio_base;
 575         sst->addr.shim = mmio_base;
 576
 577         sst_dsp_mailbox_init(sst, (BXT_ADSP_SRAM0_BASE + SKL_ADSP_W0_STAT_SZ),
 578                         SKL_ADSP_W0_UP_SZ, BXT_ADSP_SRAM1_BASE, SKL_ADSP_W1_SZ);
 579
 580         /* set the D0i3 check */
 581         skl->ipc.ops.check_dsp_lp_on = skl_ipc_check_D0i0;
 582
 583         skl->cores.count = 2;
 584         skl->boot_complete = false;
 585         init_waitqueue_head(&skl->boot_wait);
 586         INIT_DELAYED_WORK(&skl->d0i3.work, bxt_set_dsp_D0i3);
 587         skl->d0i3.state = SKL_DSP_D0I3_NONE;
 588
 589         return 0;
 590 }
 591 EXPORT_SYMBOL_GPL(bxt_sst_dsp_init);
 592
 593 int bxt_sst_init_fw(struct device *dev, struct skl_sst *ctx)
 594 {
 595         int ret;
 596         struct sst_dsp *sst = ctx->dsp;
 597
 598         ret = sst->fw_ops.load_fw(sst);
 599         if (ret < 0) {
 600                 dev_err(dev, "Load base fw failed: %x\n", ret);
 601                 return ret;
 602         }
 603
 604         skl_dsp_init_core_state(sst);
 605
 606         if (ctx->lib_count > 1) {
 607                 ret = sst->fw_ops.load_library(sst, ctx->lib_info,
 608                                                 ctx->lib_count);
 609                 if (ret < 0) {
 610                         dev_err(dev, "Load Library failed : %x\n", ret);
 611                         return ret;
 612                 }
 613         }
 614         ctx->is_first_boot = false;
 615
 616         return 0;
 617 }
 618 EXPORT_SYMBOL_GPL(bxt_sst_init_fw);
 619
 620 void bxt_sst_dsp_cleanup(struct device *dev, struct skl_sst *ctx)
 621 {
 622
 623         skl_release_library(ctx->lib_info, ctx->lib_count);
 624         if (ctx->dsp->fw)
 625                 release_firmware(ctx->dsp->fw);
 626         skl_freeup_uuid_list(ctx);
 627         skl_ipc_free(&ctx->ipc);
 628         ctx->dsp->cl_dev.ops.cl_cleanup_controller(ctx->dsp);
 629
 630         if (ctx->dsp->addr.lpe)
 631                 iounmap(ctx->dsp->addr.lpe);
 632
 633         ctx->dsp->ops->free(ctx->dsp);
 634 }
 635 EXPORT_SYMBOL_GPL(bxt_sst_dsp_cleanup);
 636
 637 MODULE_LICENSE("GPL v2");
 638 MODULE_DESCRIPTION("Intel Broxton IPC driver");