LXR linux/sound/pci/mixart/mixart

   1/*
   2 * Driver for Digigram miXart soundcards
   3 *
   4 * DSP firmware management
   5 *
   6 * Copyright (c) 2003 by Digigram <alsa@digigram.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; either version 2 of the License, or
  11 *   (at your option) any later version.
  12 *
  13 *   This program is distributed in the hope that it will be useful,
  14 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 *   GNU General Public License for more details.
  17 *
  18 *   You should have received a copy of the GNU General Public License
  19 *   along with this program; if not, write to the Free Software
  20 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  21 */
  22
  23#include <linux/interrupt.h>
  24#include <linux/pci.h>
  25#include <linux/firmware.h>
  26#include <linux/vmalloc.h>
  27#include <linux/slab.h>
  28#include <linux/module.h>
  29#include <asm/io.h>
  30#include <sound/core.h>
  31#include "mixart.h"
  32#include "mixart_mixer.h"
  33#include "mixart_core.h"
  34#include "mixart_hwdep.h"
  35
  36
  37/**
  38 * wait for a value on a peudo register, exit with a timeout
  39 *
  40 * @param mgr pointer to miXart manager structure
  41 * @param offset unsigned pseudo_register base + offset of value
  42 * @param value value
  43 * @param timeout timeout in centisenconds
  44 */
  45static int mixart_wait_nice_for_register_value(struct mixart_mgr *mgr,
  46                                               u32 offset, int is_egal,
  47                                               u32 value, unsigned long timeout)
  48{
  49        unsigned long end_time = jiffies + (timeout * HZ / 100);
  50        u32 read;
  51
  52        do {    /* we may take too long time in this loop.
  53                 * so give controls back to kernel if needed.
  54                 */
  55                cond_resched();
  56
  57                read = readl_be( MIXART_MEM( mgr, offset ));
  58                if(is_egal) {
  59                        if(read == value) return 0;
  60                }
  61                else { /* wait for different value */
  62                        if(read != value) return 0;
  63                }
  64        } while ( time_after_eq(end_time, jiffies) );
  65
  66        return -EBUSY;
  67}
  68
  69
  70/*
  71  structures needed to upload elf code packets 
  72 */
  73struct snd_mixart_elf32_ehdr {
  74        u8      e_ident[16];
  75        u16     e_type;
  76        u16     e_machine;
  77        u32     e_version;
  78        u32     e_entry;
  79        u32     e_phoff;
  80        u32     e_shoff;
  81        u32     e_flags;
  82        u16     e_ehsize;
  83        u16     e_phentsize;
  84        u16     e_phnum;
  85        u16     e_shentsize;
  86        u16     e_shnum;
  87        u16     e_shstrndx;
  88};
  89
  90struct snd_mixart_elf32_phdr {
  91        u32     p_type;
  92        u32     p_offset;
  93        u32     p_vaddr;
  94        u32     p_paddr;
  95        u32     p_filesz;
  96        u32     p_memsz;
  97        u32     p_flags;
  98        u32     p_align;
  99};
 100
 101static int mixart_load_elf(struct mixart_mgr *mgr, const struct firmware *dsp )
 102{
 103        char                    elf32_magic_number[4] = {0x7f,'E','L','F'};
 104        struct snd_mixart_elf32_ehdr *elf_header;
 105        int                     i;
 106
 107        elf_header = (struct snd_mixart_elf32_ehdr *)dsp->data;
 108        for( i=0; i<4; i++ )
 109                if ( elf32_magic_number[i] != elf_header->e_ident[i] )
 110                        return -EINVAL;
 111
 112        if( elf_header->e_phoff != 0 ) {
 113                struct snd_mixart_elf32_phdr     elf_programheader;
 114
 115                for( i=0; i < be16_to_cpu(elf_header->e_phnum); i++ ) {
 116                        u32 pos = be32_to_cpu(elf_header->e_phoff) + (u32)(i * be16_to_cpu(elf_header->e_phentsize));
 117
 118                        memcpy( &elf_programheader, dsp->data + pos, sizeof(elf_programheader) );
 119
 120                        if(elf_programheader.p_type != 0) {
 121                                if( elf_programheader.p_filesz != 0 ) {
 122                                        memcpy_toio( MIXART_MEM( mgr, be32_to_cpu(elf_programheader.p_vaddr)),
 123                                                     dsp->data + be32_to_cpu( elf_programheader.p_offset ),
 124                                                     be32_to_cpu( elf_programheader.p_filesz ));
 125                                }
 126                        }
 127                }
 128        }
 129        return 0;
 130}
 131
 132/*
 133 * get basic information and init miXart
 134 */
 135
 136/* audio IDs for request to the board */
 137#define MIXART_FIRST_ANA_AUDIO_ID       0
 138#define MIXART_FIRST_DIG_AUDIO_ID       8
 139
 140static int mixart_enum_connectors(struct mixart_mgr *mgr)
 141{
 142        u32 k;
 143        int err;
 144        struct mixart_msg request;
 145        struct mixart_enum_connector_resp *connector;
 146        struct mixart_audio_info_req  *audio_info_req;
 147        struct mixart_audio_info_resp *audio_info;
 148
 149        connector = kmalloc(sizeof(*connector), GFP_KERNEL);
 150        audio_info_req = kmalloc(sizeof(*audio_info_req), GFP_KERNEL);
 151        audio_info = kmalloc(sizeof(*audio_info), GFP_KERNEL);
 152        if (! connector || ! audio_info_req || ! audio_info) {
 153                err = -ENOMEM;
 154                goto __error;
 155        }
 156
 157        audio_info_req->line_max_level = MIXART_FLOAT_P_22_0_TO_HEX;
 158        audio_info_req->micro_max_level = MIXART_FLOAT_M_20_0_TO_HEX;
 159        audio_info_req->cd_max_level = MIXART_FLOAT____0_0_TO_HEX;
 160
 161        request.message_id = MSG_SYSTEM_ENUM_PLAY_CONNECTOR;
 162        request.uid = (struct mixart_uid){0,0};  /* board num = 0 */
 163        request.data = NULL;
 164        request.size = 0;
 165
 166        err = snd_mixart_send_msg(mgr, &request, sizeof(*connector), connector);
 167        if((err < 0) || (connector->error_code) || (connector->uid_count > MIXART_MAX_PHYS_CONNECTORS)) {
 168                snd_printk(KERN_ERR "error MSG_SYSTEM_ENUM_PLAY_CONNECTOR\n");
 169                err = -EINVAL;
 170                goto __error;
 171        }
 172
 173        for(k=0; k < connector->uid_count; k++) {
 174                struct mixart_pipe *pipe;
 175
 176                if(k < MIXART_FIRST_DIG_AUDIO_ID) {
 177                        pipe = &mgr->chip[k/2]->pipe_out_ana;
 178                } else {
 179                        pipe = &mgr->chip[(k-MIXART_FIRST_DIG_AUDIO_ID)/2]->pipe_out_dig;
 180                }
 181                if(k & 1) {
 182                        pipe->uid_right_connector = connector->uid[k];   /* odd */
 183                } else {
 184                        pipe->uid_left_connector = connector->uid[k];    /* even */
 185                }
 186
 187                /* snd_printk(KERN_DEBUG "playback connector[%d].object_id = %x\n", k, connector->uid[k].object_id); */
 188
 189                /* TODO: really need send_msg MSG_CONNECTOR_GET_AUDIO_INFO for each connector ? perhaps for analog level caps ? */
 190                request.message_id = MSG_CONNECTOR_GET_AUDIO_INFO;
 191                request.uid = connector->uid[k];
 192                request.data = audio_info_req;
 193                request.size = sizeof(*audio_info_req);
 194
 195                err = snd_mixart_send_msg(mgr, &request, sizeof(*audio_info), audio_info);
 196                if( err < 0 ) {
 197                        snd_printk(KERN_ERR "error MSG_CONNECTOR_GET_AUDIO_INFO\n");
 198                        goto __error;
 199                }
 200                /*snd_printk(KERN_DEBUG "play  analog_info.analog_level_present = %x\n", audio_info->info.analog_info.analog_level_present);*/
 201        }
 202
 203        request.message_id = MSG_SYSTEM_ENUM_RECORD_CONNECTOR;
 204        request.uid = (struct mixart_uid){0,0};  /* board num = 0 */
 205        request.data = NULL;
 206        request.size = 0;
 207
 208        err = snd_mixart_send_msg(mgr, &request, sizeof(*connector), connector);
 209        if((err < 0) || (connector->error_code) || (connector->uid_count > MIXART_MAX_PHYS_CONNECTORS)) {
 210                snd_printk(KERN_ERR "error MSG_SYSTEM_ENUM_RECORD_CONNECTOR\n");
 211                err = -EINVAL;
 212                goto __error;
 213        }
 214
 215        for(k=0; k < connector->uid_count; k++) {
 216                struct mixart_pipe *pipe;
 217
 218                if(k < MIXART_FIRST_DIG_AUDIO_ID) {
 219                        pipe = &mgr->chip[k/2]->pipe_in_ana;
 220                } else {
 221                        pipe = &mgr->chip[(k-MIXART_FIRST_DIG_AUDIO_ID)/2]->pipe_in_dig;
 222                }
 223                if(k & 1) {
 224                        pipe->uid_right_connector = connector->uid[k];   /* odd */
 225                } else {
 226                        pipe->uid_left_connector = connector->uid[k];    /* even */
 227                }
 228
 229                /* snd_printk(KERN_DEBUG "capture connector[%d].object_id = %x\n", k, connector->uid[k].object_id); */
 230
 231                /* TODO: really need send_msg MSG_CONNECTOR_GET_AUDIO_INFO for each connector ? perhaps for analog level caps ? */
 232                request.message_id = MSG_CONNECTOR_GET_AUDIO_INFO;
 233                request.uid = connector->uid[k];
 234                request.data = audio_info_req;
 235                request.size = sizeof(*audio_info_req);
 236
 237                err = snd_mixart_send_msg(mgr, &request, sizeof(*audio_info), audio_info);
 238                if( err < 0 ) {
 239                        snd_printk(KERN_ERR "error MSG_CONNECTOR_GET_AUDIO_INFO\n");
 240                        goto __error;
 241                }
 242                /*snd_printk(KERN_DEBUG "rec  analog_info.analog_level_present = %x\n", audio_info->info.analog_info.analog_level_present);*/
 243        }
 244        err = 0;
 245
 246 __error:
 247        kfree(connector);
 248        kfree(audio_info_req);
 249        kfree(audio_info);
 250
 251        return err;
 252}
 253
 254static int mixart_enum_physio(struct mixart_mgr *mgr)
 255{
 256        u32 k;
 257        int err;
 258        struct mixart_msg request;
 259        struct mixart_uid get_console_mgr;
 260        struct mixart_return_uid console_mgr;
 261        struct mixart_uid_enumeration phys_io;
 262
 263        /* get the uid for the console manager */
 264        get_console_mgr.object_id = 0;
 265        get_console_mgr.desc = MSG_CONSOLE_MANAGER | 0; /* cardindex = 0 */
 266
 267        request.message_id = MSG_CONSOLE_GET_CLOCK_UID;
 268        request.uid = get_console_mgr;
 269        request.data = &get_console_mgr;
 270        request.size = sizeof(get_console_mgr);
 271
 272        err = snd_mixart_send_msg(mgr, &request, sizeof(console_mgr), &console_mgr);
 273
 274        if( (err < 0) || (console_mgr.error_code != 0) ) {
 275                snd_printk(KERN_DEBUG "error MSG_CONSOLE_GET_CLOCK_UID : err=%x\n", console_mgr.error_code);
 276                return -EINVAL;
 277        }
 278
 279        /* used later for clock issues ! */
 280        mgr->uid_console_manager = console_mgr.uid;
 281
 282        request.message_id = MSG_SYSTEM_ENUM_PHYSICAL_IO;
 283        request.uid = (struct mixart_uid){0,0};
 284        request.data = &console_mgr.uid;
 285        request.size = sizeof(console_mgr.uid);
 286
 287        err = snd_mixart_send_msg(mgr, &request, sizeof(phys_io), &phys_io);
 288        if( (err < 0) || ( phys_io.error_code != 0 ) ) {
 289                snd_printk(KERN_ERR "error MSG_SYSTEM_ENUM_PHYSICAL_IO err(%x) error_code(%x)\n", err, phys_io.error_code );
 290                return -EINVAL;
 291        }
 292
 293        /* min 2 phys io per card (analog in + analog out) */
 294        if (phys_io.nb_uid < MIXART_MAX_CARDS * 2)
 295                return -EINVAL;
 296
 297        for(k=0; k<mgr->num_cards; k++) {
 298                mgr->chip[k]->uid_in_analog_physio = phys_io.uid[k];
 299                mgr->chip[k]->uid_out_analog_physio = phys_io.uid[phys_io.nb_uid/2 + k]; 
 300        }
 301
 302        return 0;
 303}
 304
 305
 306static int mixart_first_init(struct mixart_mgr *mgr)
 307{
 308        u32 k;
 309        int err;
 310        struct mixart_msg request;
 311
 312        if((err = mixart_enum_connectors(mgr)) < 0) return err;
 313
 314        if((err = mixart_enum_physio(mgr)) < 0) return err;
 315
 316        /* send a synchro command to card (necessary to do this before first MSG_STREAM_START_STREAM_GRP_PACKET) */
 317        /* though why not here */
 318        request.message_id = MSG_SYSTEM_SEND_SYNCHRO_CMD;
 319        request.uid = (struct mixart_uid){0,0};
 320        request.data = NULL;
 321        request.size = 0;
 322        /* this command has no data. response is a 32 bit status */
 323        err = snd_mixart_send_msg(mgr, &request, sizeof(k), &k);
 324        if( (err < 0) || (k != 0) ) {
 325                snd_printk(KERN_ERR "error MSG_SYSTEM_SEND_SYNCHRO_CMD\n");
 326                return err == 0 ? -EINVAL : err;
 327        }
 328
 329        return 0;
 330}
 331
 332
 333/* firmware base addresses (when hard coded) */
 334#define MIXART_MOTHERBOARD_XLX_BASE_ADDRESS   0x00600000
 335
 336static int mixart_dsp_load(struct mixart_mgr* mgr, int index, const struct firmware *dsp)
 337{
 338        int           err, card_index;
 339        u32           status_xilinx, status_elf, status_daught;
 340        u32           val;
 341
 342        /* read motherboard xilinx status */
 343        status_xilinx = readl_be( MIXART_MEM( mgr,MIXART_PSEUDOREG_MXLX_STATUS_OFFSET ));
 344        /* read elf status */
 345        status_elf = readl_be( MIXART_MEM( mgr,MIXART_PSEUDOREG_ELF_STATUS_OFFSET ));
 346        /* read daughterboard xilinx status */
 347        status_daught = readl_be( MIXART_MEM( mgr,MIXART_PSEUDOREG_DXLX_STATUS_OFFSET ));
 348
 349        /* motherboard xilinx status 5 will say that the board is performing a reset */
 350        if (status_xilinx == 5) {
 351                snd_printk(KERN_ERR "miXart is resetting !\n");
 352                return -EAGAIN; /* try again later */
 353        }
 354
 355        switch (index)   {
 356        case MIXART_MOTHERBOARD_XLX_INDEX:
 357
 358                /* xilinx already loaded ? */ 
 359                if (status_xilinx == 4) {
 360                        snd_printk(KERN_DEBUG "xilinx is already loaded !\n");
 361                        return 0;
 362                }
 363                /* the status should be 0 == "idle" */
 364                if (status_xilinx != 0) {
 365                        snd_printk(KERN_ERR "xilinx load error ! status = %d\n",
 366                                   status_xilinx);
 367                        return -EIO; /* modprob -r may help ? */
 368                }
 369
 370                /* check xilinx validity */
 371                if (((u32*)(dsp->data))[0] == 0xffffffff)
 372                        return -EINVAL;
 373                if (dsp->size % 4)
 374                        return -EINVAL;
 375
 376                /* set xilinx status to copying */
 377                writel_be( 1, MIXART_MEM( mgr, MIXART_PSEUDOREG_MXLX_STATUS_OFFSET ));
 378
 379                /* setup xilinx base address */
 380                writel_be( MIXART_MOTHERBOARD_XLX_BASE_ADDRESS, MIXART_MEM( mgr,MIXART_PSEUDOREG_MXLX_BASE_ADDR_OFFSET ));
 381                /* setup code size for xilinx file */
 382                writel_be( dsp->size, MIXART_MEM( mgr, MIXART_PSEUDOREG_MXLX_SIZE_OFFSET ));
 383
 384                /* copy xilinx code */
 385                memcpy_toio(  MIXART_MEM( mgr, MIXART_MOTHERBOARD_XLX_BASE_ADDRESS),  dsp->data,  dsp->size);
 386    
 387                /* set xilinx status to copy finished */
 388                writel_be( 2, MIXART_MEM( mgr, MIXART_PSEUDOREG_MXLX_STATUS_OFFSET ));
 389
 390                /* return, because no further processing needed */
 391                return 0;
 392
 393        case MIXART_MOTHERBOARD_ELF_INDEX:
 394
 395                if (status_elf == 4) {
 396                        snd_printk(KERN_DEBUG "elf file already loaded !\n");
 397                        return 0;
 398                }
 399
 400                /* the status should be 0 == "idle" */
 401                if (status_elf != 0) {
 402                        snd_printk(KERN_ERR "elf load error ! status = %d\n",
 403                                   status_elf);
 404                        return -EIO; /* modprob -r may help ? */
 405                }
 406
 407                /* wait for xilinx status == 4 */
 408                err = mixart_wait_nice_for_register_value( mgr, MIXART_PSEUDOREG_MXLX_STATUS_OFFSET, 1, 4, 500); /* 5sec */
 409                if (err < 0) {
 410                        snd_printk(KERN_ERR "xilinx was not loaded or "
 411                                   "could not be started\n");
 412                        return err;
 413                }
 414
 415                /* init some data on the card */
 416                writel_be( 0, MIXART_MEM( mgr, MIXART_PSEUDOREG_BOARDNUMBER ) ); /* set miXart boardnumber to 0 */
 417                writel_be( 0, MIXART_MEM( mgr, MIXART_FLOWTABLE_PTR ) );         /* reset pointer to flow table on miXart */
 418
 419                /* set elf status to copying */
 420                writel_be( 1, MIXART_MEM( mgr, MIXART_PSEUDOREG_ELF_STATUS_OFFSET ));
 421
 422                /* process the copying of the elf packets */
 423                err = mixart_load_elf( mgr, dsp );
 424                if (err < 0) return err;
 425
 426                /* set elf status to copy finished */
 427                writel_be( 2, MIXART_MEM( mgr, MIXART_PSEUDOREG_ELF_STATUS_OFFSET ));
 428
 429                /* wait for elf status == 4 */
 430                err = mixart_wait_nice_for_register_value( mgr, MIXART_PSEUDOREG_ELF_STATUS_OFFSET, 1, 4, 300); /* 3sec */
 431                if (err < 0) {
 432                        snd_printk(KERN_ERR "elf could not be started\n");
 433                        return err;
 434                }
 435
 436                /* miXart waits at this point on the pointer to the flow table */
 437                writel_be( (u32)mgr->flowinfo.addr, MIXART_MEM( mgr, MIXART_FLOWTABLE_PTR ) ); /* give pointer of flow table to miXart */
 438
 439                return 0;  /* return, another xilinx file has to be loaded before */
 440
 441        case MIXART_AESEBUBOARD_XLX_INDEX:
 442        default:
 443
 444                /* elf and xilinx should be loaded */
 445                if (status_elf != 4 || status_xilinx != 4) {
 446                        printk(KERN_ERR "xilinx or elf not "
 447                               "successfully loaded\n");
 448                        return -EIO; /* modprob -r may help ? */
 449                }
 450
 451                /* wait for daughter detection != 0 */
 452                err = mixart_wait_nice_for_register_value( mgr, MIXART_PSEUDOREG_DBRD_PRESENCE_OFFSET, 0, 0, 30); /* 300msec */
 453                if (err < 0) {
 454                        snd_printk(KERN_ERR "error starting elf file\n");
 455                        return err;
 456                }
 457
 458                /* the board type can now be retrieved */
 459                mgr->board_type = (DAUGHTER_TYPE_MASK & readl_be( MIXART_MEM( mgr, MIXART_PSEUDOREG_DBRD_TYPE_OFFSET)));
 460
 461                if (mgr->board_type == MIXART_DAUGHTER_TYPE_NONE)
 462                        break;  /* no daughter board; the file does not have to be loaded, continue after the switch */
 463
 464                /* only if aesebu daughter board presence (elf code must run)  */ 
 465                if (mgr->board_type != MIXART_DAUGHTER_TYPE_AES )
 466                        return -EINVAL;
 467
 468                /* daughter should be idle */
 469                if (status_daught != 0) {
 470                        printk(KERN_ERR "daughter load error ! status = %d\n",
 471                               status_daught);
 472                        return -EIO; /* modprob -r may help ? */
 473                }
 474 
 475                /* check daughterboard xilinx validity */
 476                if (((u32*)(dsp->data))[0] == 0xffffffff)
 477                        return -EINVAL;
 478                if (dsp->size % 4)
 479                        return -EINVAL;
 480
 481                /* inform mixart about the size of the file */
 482                writel_be( dsp->size, MIXART_MEM( mgr, MIXART_PSEUDOREG_DXLX_SIZE_OFFSET ));
 483
 484                /* set daughterboard status to 1 */
 485                writel_be( 1, MIXART_MEM( mgr, MIXART_PSEUDOREG_DXLX_STATUS_OFFSET ));
 486
 487                /* wait for status == 2 */
 488                err = mixart_wait_nice_for_register_value( mgr, MIXART_PSEUDOREG_DXLX_STATUS_OFFSET, 1, 2, 30); /* 300msec */
 489                if (err < 0) {
 490                        snd_printk(KERN_ERR "daughter board load error\n");
 491                        return err;
 492                }
 493
 494                /* get the address where to write the file */
 495                val = readl_be( MIXART_MEM( mgr, MIXART_PSEUDOREG_DXLX_BASE_ADDR_OFFSET ));
 496                if (!val)
 497                        return -EINVAL;
 498
 499                /* copy daughterboard xilinx code */
 500                memcpy_toio(  MIXART_MEM( mgr, val),  dsp->data,  dsp->size);
 501
 502                /* set daughterboard status to 4 */
 503                writel_be( 4, MIXART_MEM( mgr, MIXART_PSEUDOREG_DXLX_STATUS_OFFSET ));
 504
 505                /* continue with init */
 506                break;
 507        } /* end of switch file index*/
 508
 509        /* wait for daughter status == 3 */
 510        err = mixart_wait_nice_for_register_value( mgr, MIXART_PSEUDOREG_DXLX_STATUS_OFFSET, 1, 3, 300); /* 3sec */
 511        if (err < 0) {
 512                snd_printk(KERN_ERR
 513                           "daughter board could not be initialised\n");
 514                return err;
 515        }
 516
 517        /* init mailbox (communication with embedded) */
 518        snd_mixart_init_mailbox(mgr);
 519
 520        /* first communication with embedded */
 521        err = mixart_first_init(mgr);
 522        if (err < 0) {
 523                snd_printk(KERN_ERR "miXart could not be set up\n");
 524                return err;
 525        }
 526
 527        /* create devices and mixer in accordance with HW options*/
 528        for (card_index = 0; card_index < mgr->num_cards; card_index++) {
 529                struct snd_mixart *chip = mgr->chip[card_index];
 530
 531                if ((err = snd_mixart_create_pcm(chip)) < 0)
 532                        return err;
 533
 534                if (card_index == 0) {
 535                        if ((err = snd_mixart_create_mixer(chip->mgr)) < 0)
 536                                return err;
 537                }
 538
 539                if ((err = snd_card_register(chip->card)) < 0)
 540                        return err;
 541        }
 542
 543        snd_printdd("miXart firmware downloaded and successfully set up\n");
 544
 545        return 0;
 546}
 547
 548
 549int snd_mixart_setup_firmware(struct mixart_mgr *mgr)
 550{
 551        static char *fw_files[3] = {
 552                "miXart8.xlx", "miXart8.elf", "miXart8AES.xlx"
 553        };
 554        char path[32];
 555
 556        const struct firmware *fw_entry;
 557        int i, err;
 558
 559        for (i = 0; i < 3; i++) {
 560                sprintf(path, "mixart/%s", fw_files[i]);
 561                if (request_firmware(&fw_entry, path, &mgr->pci->dev)) {
 562                        snd_printk(KERN_ERR "miXart: can't load firmware %s\n", path);
 563                        return -ENOENT;
 564                }
 565                /* fake hwdep dsp record */
 566                err = mixart_dsp_load(mgr, i, fw_entry);
 567                release_firmware(fw_entry);
 568                if (err < 0)
 569                        return err;
 570                mgr->dsp_loaded |= 1 << i;
 571        }
 572        return 0;
 573}
 574
 575MODULE_FIRMWARE("mixart/miXart8.xlx");
 576MODULE_FIRMWARE("mixart/miXart8.elf");
 577MODULE_FIRMWARE("mixart/miXart8AES.xlx");
 578