LXR linux/sound/pci/mixart/mixart

   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 * Driver for Digigram miXart soundcards
   4 *
   5 * DSP firmware management
   6 *
   7 * Copyright (c) 2003 by Digigram <alsa@digigram.com>
   8 */
   9
  10#include <linux/interrupt.h>
  11#include <linux/pci.h>
  12#include <linux/firmware.h>
  13#include <linux/vmalloc.h>
  14#include <linux/slab.h>
  15#include <linux/module.h>
  16#include <linux/io.h>
  17#include <sound/core.h>
  18#include "mixart.h"
  19#include "mixart_mixer.h"
  20#include "mixart_core.h"
  21#include "mixart_hwdep.h"
  22
  23
  24/**
  25 * mixart_wait_nice_for_register_value - wait for a value on a peudo register,
  26 * exit with a timeout
  27 *
  28 * @mgr: pointer to miXart manager structure
  29 * @offset: unsigned pseudo_register base + offset of value
  30 * @is_egal: wait for the equal value
  31 * @value: value
  32 * @timeout: timeout in centisenconds
  33 */
  34static int mixart_wait_nice_for_register_value(struct mixart_mgr *mgr,
  35                                               u32 offset, int is_egal,
  36                                               u32 value, unsigned long timeout)
  37{
  38        unsigned long end_time = jiffies + (timeout * HZ / 100);
  39        u32 read;
  40
  41        do {    /* we may take too long time in this loop.
  42                 * so give controls back to kernel if needed.
  43                 */
  44                cond_resched();
  45
  46                read = readl_be( MIXART_MEM( mgr, offset ));
  47                if(is_egal) {
  48                        if(read == value) return 0;
  49                }
  50                else { /* wait for different value */
  51                        if(read != value) return 0;
  52                }
  53        } while ( time_after_eq(end_time, jiffies) );
  54
  55        return -EBUSY;
  56}
  57
  58
  59/*
  60  structures needed to upload elf code packets 
  61 */
  62struct snd_mixart_elf32_ehdr {
  63        u8      e_ident[16];
  64        __be16  e_type;
  65        __be16  e_machine;
  66        __be32  e_version;
  67        __be32  e_entry;
  68        __be32  e_phoff;
  69        __be32  e_shoff;
  70        __be32  e_flags;
  71        __be16  e_ehsize;
  72        __be16  e_phentsize;
  73        __be16  e_phnum;
  74        __be16  e_shentsize;
  75        __be16  e_shnum;
  76        __be16  e_shstrndx;
  77};
  78
  79struct snd_mixart_elf32_phdr {
  80        __be32  p_type;
  81        __be32  p_offset;
  82        __be32  p_vaddr;
  83        __be32  p_paddr;
  84        __be32  p_filesz;
  85        __be32  p_memsz;
  86        __be32  p_flags;
  87        __be32  p_align;
  88};
  89
  90static int mixart_load_elf(struct mixart_mgr *mgr, const struct firmware *dsp )
  91{
  92        char                    elf32_magic_number[4] = {0x7f,'E','L','F'};
  93        struct snd_mixart_elf32_ehdr *elf_header;
  94        int                     i;
  95
  96        elf_header = (struct snd_mixart_elf32_ehdr *)dsp->data;
  97        for( i=0; i<4; i++ )
  98                if ( elf32_magic_number[i] != elf_header->e_ident[i] )
  99                        return -EINVAL;
 100
 101        if( elf_header->e_phoff != 0 ) {
 102                struct snd_mixart_elf32_phdr     elf_programheader;
 103
 104                for( i=0; i < be16_to_cpu(elf_header->e_phnum); i++ ) {
 105                        u32 pos = be32_to_cpu(elf_header->e_phoff) + (u32)(i * be16_to_cpu(elf_header->e_phentsize));
 106
 107                        memcpy( &elf_programheader, dsp->data + pos, sizeof(elf_programheader) );
 108
 109                        if(elf_programheader.p_type != 0) {
 110                                if( elf_programheader.p_filesz != 0 ) {
 111                                        memcpy_toio( MIXART_MEM( mgr, be32_to_cpu(elf_programheader.p_vaddr)),
 112                                                     dsp->data + be32_to_cpu( elf_programheader.p_offset ),
 113                                                     be32_to_cpu( elf_programheader.p_filesz ));
 114                                }
 115                        }
 116                }
 117        }
 118        return 0;
 119}
 120
 121/*
 122 * get basic information and init miXart
 123 */
 124
 125/* audio IDs for request to the board */
 126#define MIXART_FIRST_ANA_AUDIO_ID       0
 127#define MIXART_FIRST_DIG_AUDIO_ID       8
 128
 129static int mixart_enum_connectors(struct mixart_mgr *mgr)
 130{
 131        u32 k;
 132        int err;
 133        struct mixart_msg request;
 134        struct mixart_enum_connector_resp *connector;
 135        struct mixart_audio_info_req  *audio_info_req;
 136        struct mixart_audio_info_resp *audio_info;
 137
 138        connector = kmalloc(sizeof(*connector), GFP_KERNEL);
 139        audio_info_req = kmalloc(sizeof(*audio_info_req), GFP_KERNEL);
 140        audio_info = kmalloc(sizeof(*audio_info), GFP_KERNEL);
 141        if (! connector || ! audio_info_req || ! audio_info) {
 142                err = -ENOMEM;
 143                goto __error;
 144        }
 145
 146        audio_info_req->line_max_level = MIXART_FLOAT_P_22_0_TO_HEX;
 147        audio_info_req->micro_max_level = MIXART_FLOAT_M_20_0_TO_HEX;
 148        audio_info_req->cd_max_level = MIXART_FLOAT____0_0_TO_HEX;
 149
 150        request.message_id = MSG_SYSTEM_ENUM_PLAY_CONNECTOR;
 151        request.uid = (struct mixart_uid){0,0};  /* board num = 0 */
 152        request.data = NULL;
 153        request.size = 0;
 154
 155        err = snd_mixart_send_msg(mgr, &request, sizeof(*connector), connector);
 156        if((err < 0) || (connector->error_code) || (connector->uid_count > MIXART_MAX_PHYS_CONNECTORS)) {
 157                dev_err(&mgr->pci->dev,
 158                        "error MSG_SYSTEM_ENUM_PLAY_CONNECTOR\n");
 159                err = -EINVAL;
 160                goto __error;
 161        }
 162
 163        for(k=0; k < connector->uid_count; k++) {
 164                struct mixart_pipe *pipe;
 165
 166                if(k < MIXART_FIRST_DIG_AUDIO_ID) {
 167                        pipe = &mgr->chip[k/2]->pipe_out_ana;
 168                } else {
 169                        pipe = &mgr->chip[(k-MIXART_FIRST_DIG_AUDIO_ID)/2]->pipe_out_dig;
 170                }
 171                if(k & 1) {
 172                        pipe->uid_right_connector = connector->uid[k];   /* odd */
 173                } else {
 174                        pipe->uid_left_connector = connector->uid[k];    /* even */
 175                }
 176
 177                /* dev_dbg(&mgr->pci->dev, "playback connector[%d].object_id = %x\n", k, connector->uid[k].object_id); */
 178
 179                /* TODO: really need send_msg MSG_CONNECTOR_GET_AUDIO_INFO for each connector ? perhaps for analog level caps ? */
 180                request.message_id = MSG_CONNECTOR_GET_AUDIO_INFO;
 181                request.uid = connector->uid[k];
 182                request.data = audio_info_req;
 183                request.size = sizeof(*audio_info_req);
 184
 185                err = snd_mixart_send_msg(mgr, &request, sizeof(*audio_info), audio_info);
 186                if( err < 0 ) {
 187                        dev_err(&mgr->pci->dev,
 188                                "error MSG_CONNECTOR_GET_AUDIO_INFO\n");
 189                        goto __error;
 190                }
 191                /*dev_dbg(&mgr->pci->dev, "play  analog_info.analog_level_present = %x\n", audio_info->info.analog_info.analog_level_present);*/
 192        }
 193
 194        request.message_id = MSG_SYSTEM_ENUM_RECORD_CONNECTOR;
 195        request.uid = (struct mixart_uid){0,0};  /* board num = 0 */
 196        request.data = NULL;
 197        request.size = 0;
 198
 199        err = snd_mixart_send_msg(mgr, &request, sizeof(*connector), connector);
 200        if((err < 0) || (connector->error_code) || (connector->uid_count > MIXART_MAX_PHYS_CONNECTORS)) {
 201                dev_err(&mgr->pci->dev,
 202                        "error MSG_SYSTEM_ENUM_RECORD_CONNECTOR\n");
 203                err = -EINVAL;
 204                goto __error;
 205        }
 206
 207        for(k=0; k < connector->uid_count; k++) {
 208                struct mixart_pipe *pipe;
 209
 210                if(k < MIXART_FIRST_DIG_AUDIO_ID) {
 211                        pipe = &mgr->chip[k/2]->pipe_in_ana;
 212                } else {
 213                        pipe = &mgr->chip[(k-MIXART_FIRST_DIG_AUDIO_ID)/2]->pipe_in_dig;
 214                }
 215                if(k & 1) {
 216                        pipe->uid_right_connector = connector->uid[k];   /* odd */
 217                } else {
 218                        pipe->uid_left_connector = connector->uid[k];    /* even */
 219                }
 220
 221                /* dev_dbg(&mgr->pci->dev, "capture connector[%d].object_id = %x\n", k, connector->uid[k].object_id); */
 222
 223                /* TODO: really need send_msg MSG_CONNECTOR_GET_AUDIO_INFO for each connector ? perhaps for analog level caps ? */
 224                request.message_id = MSG_CONNECTOR_GET_AUDIO_INFO;
 225                request.uid = connector->uid[k];
 226                request.data = audio_info_req;
 227                request.size = sizeof(*audio_info_req);
 228
 229                err = snd_mixart_send_msg(mgr, &request, sizeof(*audio_info), audio_info);
 230                if( err < 0 ) {
 231                        dev_err(&mgr->pci->dev,
 232                                "error MSG_CONNECTOR_GET_AUDIO_INFO\n");
 233                        goto __error;
 234                }
 235                /*dev_dbg(&mgr->pci->dev, "rec  analog_info.analog_level_present = %x\n", audio_info->info.analog_info.analog_level_present);*/
 236        }
 237        err = 0;
 238
 239 __error:
 240        kfree(connector);
 241        kfree(audio_info_req);
 242        kfree(audio_info);
 243
 244        return err;
 245}
 246
 247static int mixart_enum_physio(struct mixart_mgr *mgr)
 248{
 249        u32 k;
 250        int err;
 251        struct mixart_msg request;
 252        struct mixart_uid get_console_mgr;
 253        struct mixart_return_uid console_mgr;
 254        struct mixart_uid_enumeration phys_io;
 255
 256        /* get the uid for the console manager */
 257        get_console_mgr.object_id = 0;
 258        get_console_mgr.desc = MSG_CONSOLE_MANAGER | 0; /* cardindex = 0 */
 259
 260        request.message_id = MSG_CONSOLE_GET_CLOCK_UID;
 261        request.uid = get_console_mgr;
 262        request.data = &get_console_mgr;
 263        request.size = sizeof(get_console_mgr);
 264
 265        err = snd_mixart_send_msg(mgr, &request, sizeof(console_mgr), &console_mgr);
 266
 267        if( (err < 0) || (console_mgr.error_code != 0) ) {
 268                dev_dbg(&mgr->pci->dev,
 269                        "error MSG_CONSOLE_GET_CLOCK_UID : err=%x\n",
 270                        console_mgr.error_code);
 271                return -EINVAL;
 272        }
 273
 274        /* used later for clock issues ! */
 275        mgr->uid_console_manager = console_mgr.uid;
 276
 277        request.message_id = MSG_SYSTEM_ENUM_PHYSICAL_IO;
 278        request.uid = (struct mixart_uid){0,0};
 279        request.data = &console_mgr.uid;
 280        request.size = sizeof(console_mgr.uid);
 281
 282        err = snd_mixart_send_msg(mgr, &request, sizeof(phys_io), &phys_io);
 283        if( (err < 0) || ( phys_io.error_code != 0 ) ) {
 284                dev_err(&mgr->pci->dev,
 285                        "error MSG_SYSTEM_ENUM_PHYSICAL_IO err(%x) error_code(%x)\n",
 286                        err, phys_io.error_code);
 287                return -EINVAL;
 288        }
 289
 290        /* min 2 phys io per card (analog in + analog out) */
 291        if (phys_io.nb_uid < MIXART_MAX_CARDS * 2)
 292                return -EINVAL;
 293
 294        for(k=0; k<mgr->num_cards; k++) {
 295                mgr->chip[k]->uid_in_analog_physio = phys_io.uid[k];
 296                mgr->chip[k]->uid_out_analog_physio = phys_io.uid[phys_io.nb_uid/2 + k]; 
 297        }
 298
 299        return 0;
 300}
 301
 302
 303static int mixart_first_init(struct mixart_mgr *mgr)
 304{
 305        u32 k;
 306        int err;
 307        struct mixart_msg request;
 308
 309        err = mixart_enum_connectors(mgr);
 310        if (err < 0)
 311                return err;
 312
 313        err = mixart_enum_physio(mgr);
 314        if (err < 0)
 315                return err;
 316
 317        /* send a synchro command to card (necessary to do this before first MSG_STREAM_START_STREAM_GRP_PACKET) */
 318        /* though why not here */
 319        request.message_id = MSG_SYSTEM_SEND_SYNCHRO_CMD;
 320        request.uid = (struct mixart_uid){0,0};
 321        request.data = NULL;
 322        request.size = 0;
 323        /* this command has no data. response is a 32 bit status */
 324        err = snd_mixart_send_msg(mgr, &request, sizeof(k), &k);
 325        if( (err < 0) || (k != 0) ) {
 326                dev_err(&mgr->pci->dev, "error MSG_SYSTEM_SEND_SYNCHRO_CMD\n");
 327                return err == 0 ? -EINVAL : err;
 328        }
 329
 330        return 0;
 331}
 332
 333
 334/* firmware base addresses (when hard coded) */
 335#define MIXART_MOTHERBOARD_XLX_BASE_ADDRESS   0x00600000
 336
 337static int mixart_dsp_load(struct mixart_mgr* mgr, int index, const struct firmware *dsp)
 338{
 339        int           err, card_index;
 340        u32           status_xilinx, status_elf, status_daught;
 341        u32           val;
 342
 343        /* read motherboard xilinx status */
 344        status_xilinx = readl_be( MIXART_MEM( mgr,MIXART_PSEUDOREG_MXLX_STATUS_OFFSET ));
 345        /* read elf status */
 346        status_elf = readl_be( MIXART_MEM( mgr,MIXART_PSEUDOREG_ELF_STATUS_OFFSET ));
 347        /* read daughterboard xilinx status */
 348        status_daught = readl_be( MIXART_MEM( mgr,MIXART_PSEUDOREG_DXLX_STATUS_OFFSET ));
 349
 350        /* motherboard xilinx status 5 will say that the board is performing a reset */
 351        if (status_xilinx == 5) {
 352                dev_err(&mgr->pci->dev, "miXart is resetting !\n");
 353                return -EAGAIN; /* try again later */
 354        }
 355
 356        switch (index)   {
 357        case MIXART_MOTHERBOARD_XLX_INDEX:
 358
 359                /* xilinx already loaded ? */ 
 360                if (status_xilinx == 4) {
 361                        dev_dbg(&mgr->pci->dev, "xilinx is already loaded !\n");
 362                        return 0;
 363                }
 364                /* the status should be 0 == "idle" */
 365                if (status_xilinx != 0) {
 366                        dev_err(&mgr->pci->dev,
 367                                "xilinx load error ! status = %d\n",
 368                                   status_xilinx);
 369                        return -EIO; /* modprob -r may help ? */
 370                }
 371
 372                /* check xilinx validity */
 373                if (((u32*)(dsp->data))[0] == 0xffffffff)
 374                        return -EINVAL;
 375                if (dsp->size % 4)
 376                        return -EINVAL;
 377
 378                /* set xilinx status to copying */
 379                writel_be( 1, MIXART_MEM( mgr, MIXART_PSEUDOREG_MXLX_STATUS_OFFSET ));
 380
 381                /* setup xilinx base address */
 382                writel_be( MIXART_MOTHERBOARD_XLX_BASE_ADDRESS, MIXART_MEM( mgr,MIXART_PSEUDOREG_MXLX_BASE_ADDR_OFFSET ));
 383                /* setup code size for xilinx file */
 384                writel_be( dsp->size, MIXART_MEM( mgr, MIXART_PSEUDOREG_MXLX_SIZE_OFFSET ));
 385
 386                /* copy xilinx code */
 387                memcpy_toio(  MIXART_MEM( mgr, MIXART_MOTHERBOARD_XLX_BASE_ADDRESS),  dsp->data,  dsp->size);
 388    
 389                /* set xilinx status to copy finished */
 390                writel_be( 2, MIXART_MEM( mgr, MIXART_PSEUDOREG_MXLX_STATUS_OFFSET ));
 391
 392                /* return, because no further processing needed */
 393                return 0;
 394
 395        case MIXART_MOTHERBOARD_ELF_INDEX:
 396
 397                if (status_elf == 4) {
 398                        dev_dbg(&mgr->pci->dev, "elf file already loaded !\n");
 399                        return 0;
 400                }
 401
 402                /* the status should be 0 == "idle" */
 403                if (status_elf != 0) {
 404                        dev_err(&mgr->pci->dev,
 405                                "elf load error ! status = %d\n",
 406                                   status_elf);
 407                        return -EIO; /* modprob -r may help ? */
 408                }
 409
 410                /* wait for xilinx status == 4 */
 411                err = mixart_wait_nice_for_register_value( mgr, MIXART_PSEUDOREG_MXLX_STATUS_OFFSET, 1, 4, 500); /* 5sec */
 412                if (err < 0) {
 413                        dev_err(&mgr->pci->dev, "xilinx was not loaded or "
 414                                   "could not be started\n");
 415                        return err;
 416                }
 417
 418                /* init some data on the card */
 419                writel_be( 0, MIXART_MEM( mgr, MIXART_PSEUDOREG_BOARDNUMBER ) ); /* set miXart boardnumber to 0 */
 420                writel_be( 0, MIXART_MEM( mgr, MIXART_FLOWTABLE_PTR ) );         /* reset pointer to flow table on miXart */
 421
 422                /* set elf status to copying */
 423                writel_be( 1, MIXART_MEM( mgr, MIXART_PSEUDOREG_ELF_STATUS_OFFSET ));
 424
 425                /* process the copying of the elf packets */
 426                err = mixart_load_elf( mgr, dsp );
 427                if (err < 0) return err;
 428
 429                /* set elf status to copy finished */
 430                writel_be( 2, MIXART_MEM( mgr, MIXART_PSEUDOREG_ELF_STATUS_OFFSET ));
 431
 432                /* wait for elf status == 4 */
 433                err = mixart_wait_nice_for_register_value( mgr, MIXART_PSEUDOREG_ELF_STATUS_OFFSET, 1, 4, 300); /* 3sec */
 434                if (err < 0) {
 435                        dev_err(&mgr->pci->dev, "elf could not be started\n");
 436                        return err;
 437                }
 438
 439                /* miXart waits at this point on the pointer to the flow table */
 440                writel_be( (u32)mgr->flowinfo.addr, MIXART_MEM( mgr, MIXART_FLOWTABLE_PTR ) ); /* give pointer of flow table to miXart */
 441
 442                return 0;  /* return, another xilinx file has to be loaded before */
 443
 444        case MIXART_AESEBUBOARD_XLX_INDEX:
 445        default:
 446
 447                /* elf and xilinx should be loaded */
 448                if (status_elf != 4 || status_xilinx != 4) {
 449                        dev_err(&mgr->pci->dev, "xilinx or elf not "
 450                               "successfully loaded\n");
 451                        return -EIO; /* modprob -r may help ? */
 452                }
 453
 454                /* wait for daughter detection != 0 */
 455                err = mixart_wait_nice_for_register_value( mgr, MIXART_PSEUDOREG_DBRD_PRESENCE_OFFSET, 0, 0, 30); /* 300msec */
 456                if (err < 0) {
 457                        dev_err(&mgr->pci->dev, "error starting elf file\n");
 458                        return err;
 459                }
 460
 461                /* the board type can now be retrieved */
 462                mgr->board_type = (DAUGHTER_TYPE_MASK & readl_be( MIXART_MEM( mgr, MIXART_PSEUDOREG_DBRD_TYPE_OFFSET)));
 463
 464                if (mgr->board_type == MIXART_DAUGHTER_TYPE_NONE)
 465                        break;  /* no daughter board; the file does not have to be loaded, continue after the switch */
 466
 467                /* only if aesebu daughter board presence (elf code must run)  */ 
 468                if (mgr->board_type != MIXART_DAUGHTER_TYPE_AES )
 469                        return -EINVAL;
 470
 471                /* daughter should be idle */
 472                if (status_daught != 0) {
 473                        dev_err(&mgr->pci->dev,
 474                                "daughter load error ! status = %d\n",
 475                               status_daught);
 476                        return -EIO; /* modprob -r may help ? */
 477                }
 478 
 479                /* check daughterboard xilinx validity */
 480                if (((u32*)(dsp->data))[0] == 0xffffffff)
 481                        return -EINVAL;
 482                if (dsp->size % 4)
 483                        return -EINVAL;
 484
 485                /* inform mixart about the size of the file */
 486                writel_be( dsp->size, MIXART_MEM( mgr, MIXART_PSEUDOREG_DXLX_SIZE_OFFSET ));
 487
 488                /* set daughterboard status to 1 */
 489                writel_be( 1, MIXART_MEM( mgr, MIXART_PSEUDOREG_DXLX_STATUS_OFFSET ));
 490
 491                /* wait for status == 2 */
 492                err = mixart_wait_nice_for_register_value( mgr, MIXART_PSEUDOREG_DXLX_STATUS_OFFSET, 1, 2, 30); /* 300msec */
 493                if (err < 0) {
 494                        dev_err(&mgr->pci->dev, "daughter board load error\n");
 495                        return err;
 496                }
 497
 498                /* get the address where to write the file */
 499                val = readl_be( MIXART_MEM( mgr, MIXART_PSEUDOREG_DXLX_BASE_ADDR_OFFSET ));
 500                if (!val)
 501                        return -EINVAL;
 502
 503                /* copy daughterboard xilinx code */
 504                memcpy_toio(  MIXART_MEM( mgr, val),  dsp->data,  dsp->size);
 505
 506                /* set daughterboard status to 4 */
 507                writel_be( 4, MIXART_MEM( mgr, MIXART_PSEUDOREG_DXLX_STATUS_OFFSET ));
 508
 509                /* continue with init */
 510                break;
 511        } /* end of switch file index*/
 512
 513        /* wait for daughter status == 3 */
 514        err = mixart_wait_nice_for_register_value( mgr, MIXART_PSEUDOREG_DXLX_STATUS_OFFSET, 1, 3, 300); /* 3sec */
 515        if (err < 0) {
 516                dev_err(&mgr->pci->dev,
 517                           "daughter board could not be initialised\n");
 518                return err;
 519        }
 520
 521        /* init mailbox (communication with embedded) */
 522        snd_mixart_init_mailbox(mgr);
 523
 524        /* first communication with embedded */
 525        err = mixart_first_init(mgr);
 526        if (err < 0) {
 527                dev_err(&mgr->pci->dev, "miXart could not be set up\n");
 528                return err;
 529        }
 530
 531        /* create devices and mixer in accordance with HW options*/
 532        for (card_index = 0; card_index < mgr->num_cards; card_index++) {
 533                struct snd_mixart *chip = mgr->chip[card_index];
 534
 535                err = snd_mixart_create_pcm(chip);
 536                if (err < 0)
 537                        return err;
 538
 539                if (card_index == 0) {
 540                        err = snd_mixart_create_mixer(chip->mgr);
 541                        if (err < 0)
 542                                return err;
 543                }
 544
 545                err = snd_card_register(chip->card);
 546                if (err < 0)
 547                        return err;
 548        }
 549
 550        dev_dbg(&mgr->pci->dev,
 551                "miXart firmware downloaded and successfully set up\n");
 552
 553        return 0;
 554}
 555
 556
 557int snd_mixart_setup_firmware(struct mixart_mgr *mgr)
 558{
 559        static const char * const fw_files[3] = {
 560                "miXart8.xlx", "miXart8.elf", "miXart8AES.xlx"
 561        };
 562        char path[32];
 563
 564        const struct firmware *fw_entry;
 565        int i, err;
 566
 567        for (i = 0; i < 3; i++) {
 568                sprintf(path, "mixart/%s", fw_files[i]);
 569                if (request_firmware(&fw_entry, path, &mgr->pci->dev)) {
 570                        dev_err(&mgr->pci->dev,
 571                                "miXart: can't load firmware %s\n", path);
 572                        return -ENOENT;
 573                }
 574                /* fake hwdep dsp record */
 575                err = mixart_dsp_load(mgr, i, fw_entry);
 576                release_firmware(fw_entry);
 577                if (err < 0)
 578                        return err;
 579                mgr->dsp_loaded |= 1 << i;
 580        }
 581        return 0;
 582}
 583
 584MODULE_FIRMWARE("mixart/miXart8.xlx");
 585MODULE_FIRMWARE("mixart/miXart8.elf");
 586MODULE_FIRMWARE("mixart/miXart8AES.xlx");
 587