sound/pci/mixart/mixart_hwdep.c

   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  */
  45 static 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  */
  73 struct 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
  90 struct 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
 101 static 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
 140 static 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
 254 static 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
 306 static 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
 336 static 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
 549 int 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
 575 MODULE_FIRMWARE("mixart/miXart8.xlx");
 576 MODULE_FIRMWARE("mixart/miXart8.elf");
 577 MODULE_FIRMWARE("mixart/miXart8AES.xlx");