sound/soc/intel/skylake/skl-messages.c

   1 /*
   2  *  skl-message.c - HDA DSP interface for FW registration, Pipe and Module
   3  *  configurations
   4  *
   5  *  Copyright (C) 2015 Intel Corp
   6  *  Author:Rafal Redzimski <rafal.f.redzimski@intel.com>
   7  *         Jeeja KP <jeeja.kp@intel.com>
   8  *  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as version 2, as
  12  * published by the Free Software Foundation.
  13  *
  14  * This program is distributed in the hope that it will be useful, but
  15  * WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * General Public License for more details.
  18  */
  19
  20 #include <linux/slab.h>
  21 #include <linux/pci.h>
  22 #include <sound/core.h>
  23 #include <sound/pcm.h>
  24 #include "skl-sst-dsp.h"
  25 #include "skl-sst-ipc.h"
  26 #include "skl.h"
  27 #include "../common/sst-dsp.h"
  28 #include "../common/sst-dsp-priv.h"
  29 #include "skl-topology.h"
  30 #include "skl-tplg-interface.h"
  31
  32 static int skl_alloc_dma_buf(struct device *dev,
  33                 struct snd_dma_buffer *dmab, size_t size)
  34 {
  35         struct hdac_ext_bus *ebus = dev_get_drvdata(dev);
  36         struct hdac_bus *bus = ebus_to_hbus(ebus);
  37
  38         if (!bus)
  39                 return -ENODEV;
  40
  41         return  bus->io_ops->dma_alloc_pages(bus, SNDRV_DMA_TYPE_DEV, size, dmab);
  42 }
  43
  44 static int skl_free_dma_buf(struct device *dev, struct snd_dma_buffer *dmab)
  45 {
  46         struct hdac_ext_bus *ebus = dev_get_drvdata(dev);
  47         struct hdac_bus *bus = ebus_to_hbus(ebus);
  48
  49         if (!bus)
  50                 return -ENODEV;
  51
  52         bus->io_ops->dma_free_pages(bus, dmab);
  53
  54         return 0;
  55 }
  56
  57 int skl_init_dsp(struct skl *skl)
  58 {
  59         void __iomem *mmio_base;
  60         struct hdac_ext_bus *ebus = &skl->ebus;
  61         struct hdac_bus *bus = ebus_to_hbus(ebus);
  62         int irq = bus->irq;
  63         struct skl_dsp_loader_ops loader_ops;
  64         int ret;
  65
  66         loader_ops.alloc_dma_buf = skl_alloc_dma_buf;
  67         loader_ops.free_dma_buf = skl_free_dma_buf;
  68
  69         /* enable ppcap interrupt */
  70         snd_hdac_ext_bus_ppcap_enable(&skl->ebus, true);
  71         snd_hdac_ext_bus_ppcap_int_enable(&skl->ebus, true);
  72
  73         /* read the BAR of the ADSP MMIO */
  74         mmio_base = pci_ioremap_bar(skl->pci, 4);
  75         if (mmio_base == NULL) {
  76                 dev_err(bus->dev, "ioremap error\n");
  77                 return -ENXIO;
  78         }
  79
  80         ret = skl_sst_dsp_init(bus->dev, mmio_base, irq,
  81                         loader_ops, &skl->skl_sst);
  82
  83         dev_dbg(bus->dev, "dsp registration status=%d\n", ret);
  84
  85         return ret;
  86 }
  87
  88 void skl_free_dsp(struct skl *skl)
  89 {
  90         struct hdac_ext_bus *ebus = &skl->ebus;
  91         struct hdac_bus *bus = ebus_to_hbus(ebus);
  92         struct skl_sst *ctx =  skl->skl_sst;
  93
  94         /* disable  ppcap interrupt */
  95         snd_hdac_ext_bus_ppcap_int_enable(&skl->ebus, false);
  96
  97         skl_sst_dsp_cleanup(bus->dev, ctx);
  98         if (ctx->dsp->addr.lpe)
  99                 iounmap(ctx->dsp->addr.lpe);
 100 }
 101
 102 int skl_suspend_dsp(struct skl *skl)
 103 {
 104         struct skl_sst *ctx = skl->skl_sst;
 105         int ret;
 106
 107         /* if ppcap is not supported return 0 */
 108         if (!skl->ebus.ppcap)
 109                 return 0;
 110
 111         ret = skl_dsp_sleep(ctx->dsp);
 112         if (ret < 0)
 113                 return ret;
 114
 115         /* disable ppcap interrupt */
 116         snd_hdac_ext_bus_ppcap_int_enable(&skl->ebus, false);
 117         snd_hdac_ext_bus_ppcap_enable(&skl->ebus, false);
 118
 119         return 0;
 120 }
 121
 122 int skl_resume_dsp(struct skl *skl)
 123 {
 124         struct skl_sst *ctx = skl->skl_sst;
 125
 126         /* if ppcap is not supported return 0 */
 127         if (!skl->ebus.ppcap)
 128                 return 0;
 129
 130         /* enable ppcap interrupt */
 131         snd_hdac_ext_bus_ppcap_enable(&skl->ebus, true);
 132         snd_hdac_ext_bus_ppcap_int_enable(&skl->ebus, true);
 133
 134         return skl_dsp_wake(ctx->dsp);
 135 }
 136
 137 enum skl_bitdepth skl_get_bit_depth(int params)
 138 {
 139         switch (params) {
 140         case 8:
 141                 return SKL_DEPTH_8BIT;
 142
 143         case 16:
 144                 return SKL_DEPTH_16BIT;
 145
 146         case 24:
 147                 return SKL_DEPTH_24BIT;
 148
 149         case 32:
 150                 return SKL_DEPTH_32BIT;
 151
 152         default:
 153                 return SKL_DEPTH_INVALID;
 154
 155         }
 156 }
 157
 158 static u32 skl_create_channel_map(enum skl_ch_cfg ch_cfg)
 159 {
 160         u32 config;
 161
 162         switch (ch_cfg) {
 163         case SKL_CH_CFG_MONO:
 164                 config =  (0xFFFFFFF0 | SKL_CHANNEL_LEFT);
 165                 break;
 166
 167         case SKL_CH_CFG_STEREO:
 168                 config = (0xFFFFFF00 | SKL_CHANNEL_LEFT
 169                         | (SKL_CHANNEL_RIGHT << 4));
 170                 break;
 171
 172         case SKL_CH_CFG_2_1:
 173                 config = (0xFFFFF000 | SKL_CHANNEL_LEFT
 174                         | (SKL_CHANNEL_RIGHT << 4)
 175                         | (SKL_CHANNEL_LFE << 8));
 176                 break;
 177
 178         case SKL_CH_CFG_3_0:
 179                 config =  (0xFFFFF000 | SKL_CHANNEL_LEFT
 180                         | (SKL_CHANNEL_CENTER << 4)
 181                         | (SKL_CHANNEL_RIGHT << 8));
 182                 break;
 183
 184         case SKL_CH_CFG_3_1:
 185                 config = (0xFFFF0000 | SKL_CHANNEL_LEFT
 186                         | (SKL_CHANNEL_CENTER << 4)
 187                         | (SKL_CHANNEL_RIGHT << 8)
 188                         | (SKL_CHANNEL_LFE << 12));
 189                 break;
 190
 191         case SKL_CH_CFG_QUATRO:
 192                 config = (0xFFFF0000 | SKL_CHANNEL_LEFT
 193                         | (SKL_CHANNEL_RIGHT << 4)
 194                         | (SKL_CHANNEL_LEFT_SURROUND << 8)
 195                         | (SKL_CHANNEL_RIGHT_SURROUND << 12));
 196                 break;
 197
 198         case SKL_CH_CFG_4_0:
 199                 config = (0xFFFF0000 | SKL_CHANNEL_LEFT
 200                         | (SKL_CHANNEL_CENTER << 4)
 201                         | (SKL_CHANNEL_RIGHT << 8)
 202                         | (SKL_CHANNEL_CENTER_SURROUND << 12));
 203                 break;
 204
 205         case SKL_CH_CFG_5_0:
 206                 config = (0xFFF00000 | SKL_CHANNEL_LEFT
 207                         | (SKL_CHANNEL_CENTER << 4)
 208                         | (SKL_CHANNEL_RIGHT << 8)
 209                         | (SKL_CHANNEL_LEFT_SURROUND << 12)
 210                         | (SKL_CHANNEL_RIGHT_SURROUND << 16));
 211                 break;
 212
 213         case SKL_CH_CFG_5_1:
 214                 config = (0xFF000000 | SKL_CHANNEL_CENTER
 215                         | (SKL_CHANNEL_LEFT << 4)
 216                         | (SKL_CHANNEL_RIGHT << 8)
 217                         | (SKL_CHANNEL_LEFT_SURROUND << 12)
 218                         | (SKL_CHANNEL_RIGHT_SURROUND << 16)
 219                         | (SKL_CHANNEL_LFE << 20));
 220                 break;
 221
 222         case SKL_CH_CFG_DUAL_MONO:
 223                 config = (0xFFFFFF00 | SKL_CHANNEL_LEFT
 224                         | (SKL_CHANNEL_LEFT << 4));
 225                 break;
 226
 227         case SKL_CH_CFG_I2S_DUAL_STEREO_0:
 228                 config = (0xFFFFFF00 | SKL_CHANNEL_LEFT
 229                         | (SKL_CHANNEL_RIGHT << 4));
 230                 break;
 231
 232         case SKL_CH_CFG_I2S_DUAL_STEREO_1:
 233                 config = (0xFFFF00FF | (SKL_CHANNEL_LEFT << 8)
 234                         | (SKL_CHANNEL_RIGHT << 12));
 235                 break;
 236
 237         default:
 238                 config =  0xFFFFFFFF;
 239                 break;
 240
 241         }
 242
 243         return config;
 244 }
 245
 246 /*
 247  * Each module in DSP expects a base module configuration, which consists of
 248  * PCM format information, which we calculate in driver and resource values
 249  * which are read from widget information passed through topology binary
 250  * This is send when we create a module with INIT_INSTANCE IPC msg
 251  */
 252 static void skl_set_base_module_format(struct skl_sst *ctx,
 253                         struct skl_module_cfg *mconfig,
 254                         struct skl_base_cfg *base_cfg)
 255 {
 256         struct skl_module_fmt *format = &mconfig->in_fmt;
 257
 258         base_cfg->audio_fmt.number_of_channels = (u8)format->channels;
 259
 260         base_cfg->audio_fmt.s_freq = format->s_freq;
 261         base_cfg->audio_fmt.bit_depth = format->bit_depth;
 262         base_cfg->audio_fmt.valid_bit_depth = format->valid_bit_depth;
 263         base_cfg->audio_fmt.ch_cfg = format->ch_cfg;
 264
 265         dev_dbg(ctx->dev, "bit_depth=%x valid_bd=%x ch_config=%x\n",
 266                         format->bit_depth, format->valid_bit_depth,
 267                         format->ch_cfg);
 268
 269         base_cfg->audio_fmt.channel_map = skl_create_channel_map(
 270                                         base_cfg->audio_fmt.ch_cfg);
 271
 272         base_cfg->audio_fmt.interleaving = SKL_INTERLEAVING_PER_CHANNEL;
 273
 274         base_cfg->cps = mconfig->mcps;
 275         base_cfg->ibs = mconfig->ibs;
 276         base_cfg->obs = mconfig->obs;
 277 }
 278
 279 /*
 280  * Copies copier capabilities into copier module and updates copier module
 281  * config size.
 282  */
 283 static void skl_copy_copier_caps(struct skl_module_cfg *mconfig,
 284                                 struct skl_cpr_cfg *cpr_mconfig)
 285 {
 286         if (mconfig->formats_config.caps_size == 0)
 287                 return;
 288
 289         memcpy(cpr_mconfig->gtw_cfg.config_data,
 290                         mconfig->formats_config.caps,
 291                         mconfig->formats_config.caps_size);
 292
 293         cpr_mconfig->gtw_cfg.config_length =
 294                         (mconfig->formats_config.caps_size) / 4;
 295 }
 296
 297 /*
 298  * Calculate the gatewat settings required for copier module, type of
 299  * gateway and index of gateway to use
 300  */
 301 static void skl_setup_cpr_gateway_cfg(struct skl_sst *ctx,
 302                         struct skl_module_cfg *mconfig,
 303                         struct skl_cpr_cfg *cpr_mconfig)
 304 {
 305         union skl_connector_node_id node_id = {0};
 306         struct skl_pipe_params *params = mconfig->pipe->p_params;
 307
 308         switch (mconfig->dev_type) {
 309         case SKL_DEVICE_BT:
 310                 node_id.node.dma_type =
 311                         (SKL_CONN_SOURCE == mconfig->hw_conn_type) ?
 312                         SKL_DMA_I2S_LINK_OUTPUT_CLASS :
 313                         SKL_DMA_I2S_LINK_INPUT_CLASS;
 314                 node_id.node.vindex = params->host_dma_id +
 315                                         (mconfig->vbus_id << 3);
 316                 break;
 317
 318         case SKL_DEVICE_I2S:
 319                 node_id.node.dma_type =
 320                         (SKL_CONN_SOURCE == mconfig->hw_conn_type) ?
 321                         SKL_DMA_I2S_LINK_OUTPUT_CLASS :
 322                         SKL_DMA_I2S_LINK_INPUT_CLASS;
 323                 node_id.node.vindex = params->host_dma_id +
 324                                          (mconfig->time_slot << 1) +
 325                                          (mconfig->vbus_id << 3);
 326                 break;
 327
 328         case SKL_DEVICE_DMIC:
 329                 node_id.node.dma_type = SKL_DMA_DMIC_LINK_INPUT_CLASS;
 330                 node_id.node.vindex = mconfig->vbus_id +
 331                                          (mconfig->time_slot);
 332                 break;
 333
 334         case SKL_DEVICE_HDALINK:
 335                 node_id.node.dma_type =
 336                         (SKL_CONN_SOURCE == mconfig->hw_conn_type) ?
 337                         SKL_DMA_HDA_LINK_OUTPUT_CLASS :
 338                         SKL_DMA_HDA_LINK_INPUT_CLASS;
 339                 node_id.node.vindex = params->link_dma_id;
 340                 break;
 341
 342         default:
 343                 node_id.node.dma_type =
 344                         (SKL_CONN_SOURCE == mconfig->hw_conn_type) ?
 345                         SKL_DMA_HDA_HOST_OUTPUT_CLASS :
 346                         SKL_DMA_HDA_HOST_INPUT_CLASS;
 347                 node_id.node.vindex = params->host_dma_id;
 348                 break;
 349         }
 350
 351         cpr_mconfig->gtw_cfg.node_id = node_id.val;
 352
 353         if (SKL_CONN_SOURCE == mconfig->hw_conn_type)
 354                 cpr_mconfig->gtw_cfg.dma_buffer_size = 2 * mconfig->obs;
 355         else
 356                 cpr_mconfig->gtw_cfg.dma_buffer_size = 2 * mconfig->ibs;
 357
 358         cpr_mconfig->cpr_feature_mask = 0;
 359         cpr_mconfig->gtw_cfg.config_length  = 0;
 360
 361         skl_copy_copier_caps(mconfig, cpr_mconfig);
 362 }
 363
 364 static void skl_setup_out_format(struct skl_sst *ctx,
 365                         struct skl_module_cfg *mconfig,
 366                         struct skl_audio_data_format *out_fmt)
 367 {
 368         struct skl_module_fmt *format = &mconfig->out_fmt;
 369
 370         out_fmt->number_of_channels = (u8)format->channels;
 371         out_fmt->s_freq = format->s_freq;
 372         out_fmt->bit_depth = format->bit_depth;
 373         out_fmt->valid_bit_depth = format->valid_bit_depth;
 374         out_fmt->ch_cfg = format->ch_cfg;
 375
 376         out_fmt->channel_map = skl_create_channel_map(out_fmt->ch_cfg);
 377         out_fmt->interleaving = SKL_INTERLEAVING_PER_CHANNEL;
 378
 379         dev_dbg(ctx->dev, "copier out format chan=%d fre=%d bitdepth=%d\n",
 380                 out_fmt->number_of_channels, format->s_freq, format->bit_depth);
 381 }
 382
 383 /*
 384  * DSP needs SRC module for frequency conversion, SRC takes base module
 385  * configuration and the target frequency as extra parameter passed as src
 386  * config
 387  */
 388 static void skl_set_src_format(struct skl_sst *ctx,
 389                         struct skl_module_cfg *mconfig,
 390                         struct skl_src_module_cfg *src_mconfig)
 391 {
 392         struct skl_module_fmt *fmt = &mconfig->out_fmt;
 393
 394         skl_set_base_module_format(ctx, mconfig,
 395                 (struct skl_base_cfg *)src_mconfig);
 396
 397         src_mconfig->src_cfg = fmt->s_freq;
 398 }
 399
 400 /*
 401  * DSP needs updown module to do channel conversion. updown module take base
 402  * module configuration and channel configuration
 403  * It also take coefficients and now we have defaults applied here
 404  */
 405 static void skl_set_updown_mixer_format(struct skl_sst *ctx,
 406                         struct skl_module_cfg *mconfig,
 407                         struct skl_up_down_mixer_cfg *mixer_mconfig)
 408 {
 409         struct skl_module_fmt *fmt = &mconfig->out_fmt;
 410         int i = 0;
 411
 412         skl_set_base_module_format(ctx, mconfig,
 413                 (struct skl_base_cfg *)mixer_mconfig);
 414         mixer_mconfig->out_ch_cfg = fmt->ch_cfg;
 415
 416         /* Select F/W default coefficient */
 417         mixer_mconfig->coeff_sel = 0x0;
 418
 419         /* User coeff, don't care since we are selecting F/W defaults */
 420         for (i = 0; i < UP_DOWN_MIXER_MAX_COEFF; i++)
 421                 mixer_mconfig->coeff[i] = 0xDEADBEEF;
 422 }
 423
 424 /*
 425  * 'copier' is DSP internal module which copies data from Host DMA (HDA host
 426  * dma) or link (hda link, SSP, PDM)
 427  * Here we calculate the copier module parameters, like PCM format, output
 428  * format, gateway settings
 429  * copier_module_config is sent as input buffer with INIT_INSTANCE IPC msg
 430  */
 431 static void skl_set_copier_format(struct skl_sst *ctx,
 432                         struct skl_module_cfg *mconfig,
 433                         struct skl_cpr_cfg *cpr_mconfig)
 434 {
 435         struct skl_audio_data_format *out_fmt = &cpr_mconfig->out_fmt;
 436         struct skl_base_cfg *base_cfg = (struct skl_base_cfg *)cpr_mconfig;
 437
 438         skl_set_base_module_format(ctx, mconfig, base_cfg);
 439
 440         skl_setup_out_format(ctx, mconfig, out_fmt);
 441         skl_setup_cpr_gateway_cfg(ctx, mconfig, cpr_mconfig);
 442 }
 443
 444 static u16 skl_get_module_param_size(struct skl_sst *ctx,
 445                         struct skl_module_cfg *mconfig)
 446 {
 447         u16 param_size;
 448
 449         switch (mconfig->m_type) {
 450         case SKL_MODULE_TYPE_COPIER:
 451                 param_size = sizeof(struct skl_cpr_cfg);
 452                 param_size += mconfig->formats_config.caps_size;
 453                 return param_size;
 454
 455         case SKL_MODULE_TYPE_SRCINT:
 456                 return sizeof(struct skl_src_module_cfg);
 457
 458         case SKL_MODULE_TYPE_UPDWMIX:
 459                 return sizeof(struct skl_up_down_mixer_cfg);
 460
 461         default:
 462                 /*
 463                  * return only base cfg when no specific module type is
 464                  * specified
 465                  */
 466                 return sizeof(struct skl_base_cfg);
 467         }
 468
 469         return 0;
 470 }
 471
 472 /*
 473  * DSP firmware supports various modules like copier, SRC, updown etc.
 474  * These modules required various parameters to be calculated and sent for
 475  * the module initialization to DSP. By default a generic module needs only
 476  * base module format configuration
 477  */
 478
 479 static int skl_set_module_format(struct skl_sst *ctx,
 480                         struct skl_module_cfg *module_config,
 481                         u16 *module_config_size,
 482                         void **param_data)
 483 {
 484         u16 param_size;
 485
 486         param_size  = skl_get_module_param_size(ctx, module_config);
 487
 488         *param_data = kzalloc(param_size, GFP_KERNEL);
 489         if (NULL == *param_data)
 490                 return -ENOMEM;
 491
 492         *module_config_size = param_size;
 493
 494         switch (module_config->m_type) {
 495         case SKL_MODULE_TYPE_COPIER:
 496                 skl_set_copier_format(ctx, module_config, *param_data);
 497                 break;
 498
 499         case SKL_MODULE_TYPE_SRCINT:
 500                 skl_set_src_format(ctx, module_config, *param_data);
 501                 break;
 502
 503         case SKL_MODULE_TYPE_UPDWMIX:
 504                 skl_set_updown_mixer_format(ctx, module_config, *param_data);
 505                 break;
 506
 507         default:
 508                 skl_set_base_module_format(ctx, module_config, *param_data);
 509                 break;
 510
 511         }
 512
 513         dev_dbg(ctx->dev, "Module type=%d config size: %d bytes\n",
 514                         module_config->id.module_id, param_size);
 515         print_hex_dump(KERN_DEBUG, "Module params:", DUMP_PREFIX_OFFSET, 8, 4,
 516                         *param_data, param_size, false);
 517         return 0;
 518 }
 519
 520 static int skl_get_queue_index(struct skl_module_pin *mpin,
 521                                 struct skl_module_inst_id id, int max)
 522 {
 523         int i;
 524
 525         for (i = 0; i < max; i++)  {
 526                 if (mpin[i].id.module_id == id.module_id &&
 527                         mpin[i].id.instance_id == id.instance_id)
 528                         return i;
 529         }
 530
 531         return -EINVAL;
 532 }
 533
 534 /*
 535  * Allocates queue for each module.
 536  * if dynamic, the pin_index is allocated 0 to max_pin.
 537  * In static, the pin_index is fixed based on module_id and instance id
 538  */
 539 static int skl_alloc_queue(struct skl_module_pin *mpin,
 540                         struct skl_module_inst_id id, int max)
 541 {
 542         int i;
 543
 544         /*
 545          * if pin in dynamic, find first free pin
 546          * otherwise find match module and instance id pin as topology will
 547          * ensure a unique pin is assigned to this so no need to
 548          * allocate/free
 549          */
 550         for (i = 0; i < max; i++)  {
 551                 if (mpin[i].is_dynamic) {
 552                         if (!mpin[i].in_use) {
 553                                 mpin[i].in_use = true;
 554                                 mpin[i].id.module_id = id.module_id;
 555                                 mpin[i].id.instance_id = id.instance_id;
 556                                 return i;
 557                         }
 558                 } else {
 559                         if (mpin[i].id.module_id == id.module_id &&
 560                                 mpin[i].id.instance_id == id.instance_id)
 561                                 return i;
 562                 }
 563         }
 564
 565         return -EINVAL;
 566 }
 567
 568 static void skl_free_queue(struct skl_module_pin *mpin, int q_index)
 569 {
 570         if (mpin[q_index].is_dynamic) {
 571                 mpin[q_index].in_use = false;
 572                 mpin[q_index].id.module_id = 0;
 573                 mpin[q_index].id.instance_id = 0;
 574         }
 575 }
 576
 577 /*
 578  * A module needs to be instanataited in DSP. A mdoule is present in a
 579  * collection of module referred as a PIPE.
 580  * We first calculate the module format, based on module type and then
 581  * invoke the DSP by sending IPC INIT_INSTANCE using ipc helper
 582  */
 583 int skl_init_module(struct skl_sst *ctx,
 584                         struct skl_module_cfg *mconfig, char *param)
 585 {
 586         u16 module_config_size = 0;
 587         void *param_data = NULL;
 588         int ret;
 589         struct skl_ipc_init_instance_msg msg;
 590
 591         dev_dbg(ctx->dev, "%s: module_id = %d instance=%d\n", __func__,
 592                  mconfig->id.module_id, mconfig->id.instance_id);
 593
 594         if (mconfig->pipe->state != SKL_PIPE_CREATED) {
 595                 dev_err(ctx->dev, "Pipe not created state= %d pipe_id= %d\n",
 596                                  mconfig->pipe->state, mconfig->pipe->ppl_id);
 597                 return -EIO;
 598         }
 599
 600         ret = skl_set_module_format(ctx, mconfig,
 601                         &module_config_size, &param_data);
 602         if (ret < 0) {
 603                 dev_err(ctx->dev, "Failed to set module format ret=%d\n", ret);
 604                 return ret;
 605         }
 606
 607         msg.module_id = mconfig->id.module_id;
 608         msg.instance_id = mconfig->id.instance_id;
 609         msg.ppl_instance_id = mconfig->pipe->ppl_id;
 610         msg.param_data_size = module_config_size;
 611         msg.core_id = mconfig->core_id;
 612
 613         ret = skl_ipc_init_instance(&ctx->ipc, &msg, param_data);
 614         if (ret < 0) {
 615                 dev_err(ctx->dev, "Failed to init instance ret=%d\n", ret);
 616                 kfree(param_data);
 617                 return ret;
 618         }
 619         mconfig->m_state = SKL_MODULE_INIT_DONE;
 620
 621         return ret;
 622 }
 623
 624 static void skl_dump_bind_info(struct skl_sst *ctx, struct skl_module_cfg
 625         *src_module, struct skl_module_cfg *dst_module)
 626 {
 627         dev_dbg(ctx->dev, "%s: src module_id = %d  src_instance=%d\n",
 628                 __func__, src_module->id.module_id, src_module->id.instance_id);
 629         dev_dbg(ctx->dev, "%s: dst_module=%d dst_instacne=%d\n", __func__,
 630                  dst_module->id.module_id, dst_module->id.instance_id);
 631
 632         dev_dbg(ctx->dev, "src_module state = %d dst module state = %d\n",
 633                 src_module->m_state, dst_module->m_state);
 634 }
 635
 636 /*
 637  * On module freeup, we need to unbind the module with modules
 638  * it is already bind.
 639  * Find the pin allocated and unbind then using bind_unbind IPC
 640  */
 641 int skl_unbind_modules(struct skl_sst *ctx,
 642                         struct skl_module_cfg *src_mcfg,
 643                         struct skl_module_cfg *dst_mcfg)
 644 {
 645         int ret;
 646         struct skl_ipc_bind_unbind_msg msg;
 647         struct skl_module_inst_id src_id = src_mcfg->id;
 648         struct skl_module_inst_id dst_id = dst_mcfg->id;
 649         int in_max = dst_mcfg->max_in_queue;
 650         int out_max = src_mcfg->max_out_queue;
 651         int src_index, dst_index;
 652
 653         skl_dump_bind_info(ctx, src_mcfg, dst_mcfg);
 654
 655         if (src_mcfg->m_state != SKL_MODULE_BIND_DONE)
 656                 return 0;
 657
 658         /*
 659          * if intra module unbind, check if both modules are BIND,
 660          * then send unbind
 661          */
 662         if ((src_mcfg->pipe->ppl_id != dst_mcfg->pipe->ppl_id) &&
 663                                 dst_mcfg->m_state != SKL_MODULE_BIND_DONE)
 664                 return 0;
 665         else if (src_mcfg->m_state < SKL_MODULE_INIT_DONE &&
 666                                  dst_mcfg->m_state < SKL_MODULE_INIT_DONE)
 667                 return 0;
 668
 669         /* get src queue index */
 670         src_index = skl_get_queue_index(src_mcfg->m_out_pin, dst_id, out_max);
 671         if (src_index < 0)
 672                 return -EINVAL;
 673
 674         msg.src_queue = src_mcfg->m_out_pin[src_index].pin_index;
 675
 676         /* get dst queue index */
 677         dst_index  = skl_get_queue_index(dst_mcfg->m_in_pin, src_id, in_max);
 678         if (dst_index < 0)
 679                 return -EINVAL;
 680
 681         msg.dst_queue = dst_mcfg->m_in_pin[dst_index].pin_index;
 682
 683         msg.module_id = src_mcfg->id.module_id;
 684         msg.instance_id = src_mcfg->id.instance_id;
 685         msg.dst_module_id = dst_mcfg->id.module_id;
 686         msg.dst_instance_id = dst_mcfg->id.instance_id;
 687         msg.bind = false;
 688
 689         ret = skl_ipc_bind_unbind(&ctx->ipc, &msg);
 690         if (!ret) {
 691                 src_mcfg->m_state = SKL_MODULE_UNINIT;
 692                 /* free queue only if unbind is success */
 693                 skl_free_queue(src_mcfg->m_out_pin, src_index);
 694                 skl_free_queue(dst_mcfg->m_in_pin, dst_index);
 695         }
 696
 697         return ret;
 698 }
 699
 700 /*
 701  * Once a module is instantiated it need to be 'bind' with other modules in
 702  * the pipeline. For binding we need to find the module pins which are bind
 703  * together
 704  * This function finds the pins and then sends bund_unbind IPC message to
 705  * DSP using IPC helper
 706  */
 707 int skl_bind_modules(struct skl_sst *ctx,
 708                         struct skl_module_cfg *src_mcfg,
 709                         struct skl_module_cfg *dst_mcfg)
 710 {
 711         int ret;
 712         struct skl_ipc_bind_unbind_msg msg;
 713         struct skl_module_inst_id src_id = src_mcfg->id;
 714         struct skl_module_inst_id dst_id = dst_mcfg->id;
 715         int in_max = dst_mcfg->max_in_queue;
 716         int out_max = src_mcfg->max_out_queue;
 717         int src_index, dst_index;
 718
 719         skl_dump_bind_info(ctx, src_mcfg, dst_mcfg);
 720
 721         if (src_mcfg->m_state < SKL_MODULE_INIT_DONE &&
 722                 dst_mcfg->m_state < SKL_MODULE_INIT_DONE)
 723                 return 0;
 724
 725         src_index = skl_alloc_queue(src_mcfg->m_out_pin, dst_id, out_max);
 726         if (src_index < 0)
 727                 return -EINVAL;
 728
 729         msg.src_queue = src_mcfg->m_out_pin[src_index].pin_index;
 730         dst_index = skl_alloc_queue(dst_mcfg->m_in_pin, src_id, in_max);
 731         if (dst_index < 0) {
 732                 skl_free_queue(src_mcfg->m_out_pin, src_index);
 733                 return -EINVAL;
 734         }
 735
 736         msg.dst_queue = dst_mcfg->m_in_pin[dst_index].pin_index;
 737
 738         dev_dbg(ctx->dev, "src queue = %d dst queue =%d\n",
 739                          msg.src_queue, msg.dst_queue);
 740
 741         msg.module_id = src_mcfg->id.module_id;
 742         msg.instance_id = src_mcfg->id.instance_id;
 743         msg.dst_module_id = dst_mcfg->id.module_id;
 744         msg.dst_instance_id = dst_mcfg->id.instance_id;
 745         msg.bind = true;
 746
 747         ret = skl_ipc_bind_unbind(&ctx->ipc, &msg);
 748
 749         if (!ret) {
 750                 src_mcfg->m_state = SKL_MODULE_BIND_DONE;
 751         } else {
 752                 /* error case , if IPC fails, clear the queue index */
 753                 skl_free_queue(src_mcfg->m_out_pin, src_index);
 754                 skl_free_queue(dst_mcfg->m_in_pin, dst_index);
 755         }
 756
 757         return ret;
 758 }