sound/pci/mixart/mixart

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

DEFINITIONS
