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 <asm/io.h> 29 #include <sound/core.h> 30 #include "mixart.h" 31 #include "mixart_mixer.h" 32 #include "mixart_core.h" 33 #include "mixart_hwdep.h" 34 35 36 /** 37 * wait for a value on a peudo register, exit with a timeout 38 * 39 * @param mgr pointer to miXart manager structure 40 * @param offset unsigned pseudo_register base + offset of value 41 * @param value value 42 * @param timeout timeout in centisenconds 43 */ 44 static int mixart_wait_nice_for_register_value(struct mixart_mgr *mgr, 45 u32 offset, int is_egal, 46 u32 value, unsigned long timeout) 47 { 48 unsigned long end_time = jiffies + (timeout * HZ / 100); 49 u32 read; 50 51 do { /* we may take too long time in this loop. 52 * so give controls back to kernel if needed. 53 */ 54 cond_resched(); 55 56 read = readl_be( MIXART_MEM( mgr, offset )); 57 if(is_egal) { 58 if(read == value) return 0; 59 } 60 else { /* wait for different value */ 61 if(read != value) return 0; 62 } 63 } while ( time_after_eq(end_time, jiffies) ); 64 65 return -EBUSY; 66 } 67 68 69 /* 70 structures needed to upload elf code packets 71 */ 72 struct snd_mixart_elf32_ehdr { 73 u8 e_ident[16]; 74 u16 e_type; 75 u16 e_machine; 76 u32 e_version; 77 u32 e_entry; 78 u32 e_phoff; 79 u32 e_shoff; 80 u32 e_flags; 81 u16 e_ehsize; 82 u16 e_phentsize; 83 u16 e_phnum; 84 u16 e_shentsize; 85 u16 e_shnum; 86 u16 e_shstrndx; 87 }; 88 89 struct snd_mixart_elf32_phdr { 90 u32 p_type; 91 u32 p_offset; 92 u32 p_vaddr; 93 u32 p_paddr; 94 u32 p_filesz; 95 u32 p_memsz; 96 u32 p_flags; 97 u32 p_align; 98 }; 99 100 static int mixart_load_elf(struct mixart_mgr *mgr, const struct firmware *dsp ) 101 { 102 char elf32_magic_number[4] = {0x7f,'E','L','F'}; 103 struct snd_mixart_elf32_ehdr *elf_header; 104 int i; 105 106 elf_header = (struct snd_mixart_elf32_ehdr *)dsp->data; 107 for( i=0; i<4; i++ ) 108 if ( elf32_magic_number[i] != elf_header->e_ident[i] ) 109 return -EINVAL; 110 111 if( elf_header->e_phoff != 0 ) { 112 struct snd_mixart_elf32_phdr elf_programheader; 113 114 for( i=0; i < be16_to_cpu(elf_header->e_phnum); i++ ) { 115 u32 pos = be32_to_cpu(elf_header->e_phoff) + (u32)(i * be16_to_cpu(elf_header->e_phentsize)); 116 117 memcpy( &elf_programheader, dsp->data + pos, sizeof(elf_programheader) ); 118 119 if(elf_programheader.p_type != 0) { 120 if( elf_programheader.p_filesz != 0 ) { 121 memcpy_toio( MIXART_MEM( mgr, be32_to_cpu(elf_programheader.p_vaddr)), 122 dsp->data + be32_to_cpu( elf_programheader.p_offset ), 123 be32_to_cpu( elf_programheader.p_filesz )); 124 } 125 } 126 } 127 } 128 return 0; 129 } 130 131 /* 132 * get basic information and init miXart 133 */ 134 135 /* audio IDs for request to the board */ 136 #define MIXART_FIRST_ANA_AUDIO_ID 0 137 #define MIXART_FIRST_DIG_AUDIO_ID 8 138 139 static int mixart_enum_connectors(struct mixart_mgr *mgr) 140 { 141 u32 k; 142 int err; 143 struct mixart_msg request; 144 struct mixart_enum_connector_resp *connector; 145 struct mixart_audio_info_req *audio_info_req; 146 struct mixart_audio_info_resp *audio_info; 147 148 connector = kmalloc(sizeof(*connector), GFP_KERNEL); 149 audio_info_req = kmalloc(sizeof(*audio_info_req), GFP_KERNEL); 150 audio_info = kmalloc(sizeof(*audio_info), GFP_KERNEL); 151 if (! connector || ! audio_info_req || ! audio_info) { 152 err = -ENOMEM; 153 goto __error; 154 } 155 156 audio_info_req->line_max_level = MIXART_FLOAT_P_22_0_TO_HEX; 157 audio_info_req->micro_max_level = MIXART_FLOAT_M_20_0_TO_HEX; 158 audio_info_req->cd_max_level = MIXART_FLOAT____0_0_TO_HEX; 159 160 request.message_id = MSG_SYSTEM_ENUM_PLAY_CONNECTOR; 161 request.uid = (struct mixart_uid){0,0}; /* board num = 0 */ 162 request.data = NULL; 163 request.size = 0; 164 165 err = snd_mixart_send_msg(mgr, &request, sizeof(*connector), connector); 166 if((err < 0) || (connector->error_code) || (connector->uid_count > MIXART_MAX_PHYS_CONNECTORS)) { 167 snd_printk(KERN_ERR "error MSG_SYSTEM_ENUM_PLAY_CONNECTOR\n"); 168 err = -EINVAL; 169 goto __error; 170 } 171 172 for(k=0; k < connector->uid_count; k++) { 173 struct mixart_pipe *pipe; 174 175 if(k < MIXART_FIRST_DIG_AUDIO_ID) { 176 pipe = &mgr->chip[k/2]->pipe_out_ana; 177 } else { 178 pipe = &mgr->chip[(k-MIXART_FIRST_DIG_AUDIO_ID)/2]->pipe_out_dig; 179 } 180 if(k & 1) { 181 pipe->uid_right_connector = connector->uid[k]; /* odd */ 182 } else { 183 pipe->uid_left_connector = connector->uid[k]; /* even */ 184 } 185 186 /* snd_printk(KERN_DEBUG "playback connector[%d].object_id = %x\n", k, connector->uid[k].object_id); */ 187 188 /* TODO: really need send_msg MSG_CONNECTOR_GET_AUDIO_INFO for each connector ? perhaps for analog level caps ? */ 189 request.message_id = MSG_CONNECTOR_GET_AUDIO_INFO; 190 request.uid = connector->uid[k]; 191 request.data = audio_info_req; 192 request.size = sizeof(*audio_info_req); 193 194 err = snd_mixart_send_msg(mgr, &request, sizeof(*audio_info), audio_info); 195 if( err < 0 ) { 196 snd_printk(KERN_ERR "error MSG_CONNECTOR_GET_AUDIO_INFO\n"); 197 goto __error; 198 } 199 /*snd_printk(KERN_DEBUG "play analog_info.analog_level_present = %x\n", audio_info->info.analog_info.analog_level_present);*/ 200 } 201 202 request.message_id = MSG_SYSTEM_ENUM_RECORD_CONNECTOR; 203 request.uid = (struct mixart_uid){0,0}; /* board num = 0 */ 204 request.data = NULL; 205 request.size = 0; 206 207 err = snd_mixart_send_msg(mgr, &request, sizeof(*connector), connector); 208 if((err < 0) || (connector->error_code) || (connector->uid_count > MIXART_MAX_PHYS_CONNECTORS)) { 209 snd_printk(KERN_ERR "error MSG_SYSTEM_ENUM_RECORD_CONNECTOR\n"); 210 err = -EINVAL; 211 goto __error; 212 } 213 214 for(k=0; k < connector->uid_count; k++) { 215 struct mixart_pipe *pipe; 216 217 if(k < MIXART_FIRST_DIG_AUDIO_ID) { 218 pipe = &mgr->chip[k/2]->pipe_in_ana; 219 } else { 220 pipe = &mgr->chip[(k-MIXART_FIRST_DIG_AUDIO_ID)/2]->pipe_in_dig; 221 } 222 if(k & 1) { 223 pipe->uid_right_connector = connector->uid[k]; /* odd */ 224 } else { 225 pipe->uid_left_connector = connector->uid[k]; /* even */ 226 } 227 228 /* snd_printk(KERN_DEBUG "capture connector[%d].object_id = %x\n", k, connector->uid[k].object_id); */ 229 230 /* TODO: really need send_msg MSG_CONNECTOR_GET_AUDIO_INFO for each connector ? perhaps for analog level caps ? */ 231 request.message_id = MSG_CONNECTOR_GET_AUDIO_INFO; 232 request.uid = connector->uid[k]; 233 request.data = audio_info_req; 234 request.size = sizeof(*audio_info_req); 235 236 err = snd_mixart_send_msg(mgr, &request, sizeof(*audio_info), audio_info); 237 if( err < 0 ) { 238 snd_printk(KERN_ERR "error MSG_CONNECTOR_GET_AUDIO_INFO\n"); 239 goto __error; 240 } 241 /*snd_printk(KERN_DEBUG "rec analog_info.analog_level_present = %x\n", audio_info->info.analog_info.analog_level_present);*/ 242 } 243 err = 0; 244 245 __error: 246 kfree(connector); 247 kfree(audio_info_req); 248 kfree(audio_info); 249 250 return err; 251 } 252 253 static int mixart_enum_physio(struct mixart_mgr *mgr) 254 { 255 u32 k; 256 int err; 257 struct mixart_msg request; 258 struct mixart_uid get_console_mgr; 259 struct mixart_return_uid console_mgr; 260 struct mixart_uid_enumeration phys_io; 261 262 /* get the uid for the console manager */ 263 get_console_mgr.object_id = 0; 264 get_console_mgr.desc = MSG_CONSOLE_MANAGER | 0; /* cardindex = 0 */ 265 266 request.message_id = MSG_CONSOLE_GET_CLOCK_UID; 267 request.uid = get_console_mgr; 268 request.data = &get_console_mgr; 269 request.size = sizeof(get_console_mgr); 270 271 err = snd_mixart_send_msg(mgr, &request, sizeof(console_mgr), &console_mgr); 272 273 if( (err < 0) || (console_mgr.error_code != 0) ) { 274 snd_printk(KERN_DEBUG "error MSG_CONSOLE_GET_CLOCK_UID : err=%x\n", console_mgr.error_code); 275 return -EINVAL; 276 } 277 278 /* used later for clock issues ! */ 279 mgr->uid_console_manager = console_mgr.uid; 280 281 request.message_id = MSG_SYSTEM_ENUM_PHYSICAL_IO; 282 request.uid = (struct mixart_uid){0,0}; 283 request.data = &console_mgr.uid; 284 request.size = sizeof(console_mgr.uid); 285 286 err = snd_mixart_send_msg(mgr, &request, sizeof(phys_io), &phys_io); 287 if( (err < 0) || ( phys_io.error_code != 0 ) ) { 288 snd_printk(KERN_ERR "error MSG_SYSTEM_ENUM_PHYSICAL_IO err(%x) error_code(%x)\n", err, phys_io.error_code ); 289 return -EINVAL; 290 } 291 292 /* min 2 phys io per card (analog in + analog out) */ 293 if (phys_io.nb_uid < MIXART_MAX_CARDS * 2) 294 return -EINVAL; 295 296 for(k=0; k<mgr->num_cards; k++) { 297 mgr->chip[k]->uid_in_analog_physio = phys_io.uid[k]; 298 mgr->chip[k]->uid_out_analog_physio = phys_io.uid[phys_io.nb_uid/2 + k]; 299 } 300 301 return 0; 302 } 303 304 305 static int mixart_first_init(struct mixart_mgr *mgr) 306 { 307 u32 k; 308 int err; 309 struct mixart_msg request; 310 311 if((err = mixart_enum_connectors(mgr)) < 0) return err; 312 313 if((err = mixart_enum_physio(mgr)) < 0) return err; 314 315 /* send a synchro command to card (necessary to do this before first MSG_STREAM_START_STREAM_GRP_PACKET) */ 316 /* though why not here */ 317 request.message_id = MSG_SYSTEM_SEND_SYNCHRO_CMD; 318 request.uid = (struct mixart_uid){0,0}; 319 request.data = NULL; 320 request.size = 0; 321 /* this command has no data. response is a 32 bit status */ 322 err = snd_mixart_send_msg(mgr, &request, sizeof(k), &k); 323 if( (err < 0) || (k != 0) ) { 324 snd_printk(KERN_ERR "error MSG_SYSTEM_SEND_SYNCHRO_CMD\n"); 325 return err == 0 ? -EINVAL : err; 326 } 327 328 return 0; 329 } 330 331 332 /* firmware base addresses (when hard coded) */ 333 #define MIXART_MOTHERBOARD_XLX_BASE_ADDRESS 0x00600000 334 335 static int mixart_dsp_load(struct mixart_mgr* mgr, int index, const struct firmware *dsp) 336 { 337 int err, card_index; 338 u32 status_xilinx, status_elf, status_daught; 339 u32 val; 340 341 /* read motherboard xilinx status */ 342 status_xilinx = readl_be( MIXART_MEM( mgr,MIXART_PSEUDOREG_MXLX_STATUS_OFFSET )); 343 /* read elf status */ 344 status_elf = readl_be( MIXART_MEM( mgr,MIXART_PSEUDOREG_ELF_STATUS_OFFSET )); 345 /* read daughterboard xilinx status */ 346 status_daught = readl_be( MIXART_MEM( mgr,MIXART_PSEUDOREG_DXLX_STATUS_OFFSET )); 347 348 /* motherboard xilinx status 5 will say that the board is performing a reset */ 349 if (status_xilinx == 5) { 350 snd_printk(KERN_ERR "miXart is resetting !\n"); 351 return -EAGAIN; /* try again later */ 352 } 353 354 switch (index) { 355 case MIXART_MOTHERBOARD_XLX_INDEX: 356 357 /* xilinx already loaded ? */ 358 if (status_xilinx == 4) { 359 snd_printk(KERN_DEBUG "xilinx is already loaded !\n"); 360 return 0; 361 } 362 /* the status should be 0 == "idle" */ 363 if (status_xilinx != 0) { 364 snd_printk(KERN_ERR "xilinx load error ! status = %d\n", 365 status_xilinx); 366 return -EIO; /* modprob -r may help ? */ 367 } 368 369 /* check xilinx validity */ 370 if (((u32*)(dsp->data))[0] == 0xffffffff) 371 return -EINVAL; 372 if (dsp->size % 4) 373 return -EINVAL; 374 375 /* set xilinx status to copying */ 376 writel_be( 1, MIXART_MEM( mgr, MIXART_PSEUDOREG_MXLX_STATUS_OFFSET )); 377 378 /* setup xilinx base address */ 379 writel_be( MIXART_MOTHERBOARD_XLX_BASE_ADDRESS, MIXART_MEM( mgr,MIXART_PSEUDOREG_MXLX_BASE_ADDR_OFFSET )); 380 /* setup code size for xilinx file */ 381 writel_be( dsp->size, MIXART_MEM( mgr, MIXART_PSEUDOREG_MXLX_SIZE_OFFSET )); 382 383 /* copy xilinx code */ 384 memcpy_toio( MIXART_MEM( mgr, MIXART_MOTHERBOARD_XLX_BASE_ADDRESS), dsp->data, dsp->size); 385 386 /* set xilinx status to copy finished */ 387 writel_be( 2, MIXART_MEM( mgr, MIXART_PSEUDOREG_MXLX_STATUS_OFFSET )); 388 389 /* return, because no further processing needed */ 390 return 0; 391 392 case MIXART_MOTHERBOARD_ELF_INDEX: 393 394 if (status_elf == 4) { 395 snd_printk(KERN_DEBUG "elf file already loaded !\n"); 396 return 0; 397 } 398 399 /* the status should be 0 == "idle" */ 400 if (status_elf != 0) { 401 snd_printk(KERN_ERR "elf load error ! status = %d\n", 402 status_elf); 403 return -EIO; /* modprob -r may help ? */ 404 } 405 406 /* wait for xilinx status == 4 */ 407 err = mixart_wait_nice_for_register_value( mgr, MIXART_PSEUDOREG_MXLX_STATUS_OFFSET, 1, 4, 500); /* 5sec */ 408 if (err < 0) { 409 snd_printk(KERN_ERR "xilinx was not loaded or " 410 "could not be started\n"); 411 return err; 412 } 413 414 /* init some data on the card */ 415 writel_be( 0, MIXART_MEM( mgr, MIXART_PSEUDOREG_BOARDNUMBER ) ); /* set miXart boardnumber to 0 */ 416 writel_be( 0, MIXART_MEM( mgr, MIXART_FLOWTABLE_PTR ) ); /* reset pointer to flow table on miXart */ 417 418 /* set elf status to copying */ 419 writel_be( 1, MIXART_MEM( mgr, MIXART_PSEUDOREG_ELF_STATUS_OFFSET )); 420 421 /* process the copying of the elf packets */ 422 err = mixart_load_elf( mgr, dsp ); 423 if (err < 0) return err; 424 425 /* set elf status to copy finished */ 426 writel_be( 2, MIXART_MEM( mgr, MIXART_PSEUDOREG_ELF_STATUS_OFFSET )); 427 428 /* wait for elf status == 4 */ 429 err = mixart_wait_nice_for_register_value( mgr, MIXART_PSEUDOREG_ELF_STATUS_OFFSET, 1, 4, 300); /* 3sec */ 430 if (err < 0) { 431 snd_printk(KERN_ERR "elf could not be started\n"); 432 return err; 433 } 434 435 /* miXart waits at this point on the pointer to the flow table */ 436 writel_be( (u32)mgr->flowinfo.addr, MIXART_MEM( mgr, MIXART_FLOWTABLE_PTR ) ); /* give pointer of flow table to miXart */ 437 438 return 0; /* return, another xilinx file has to be loaded before */ 439 440 case MIXART_AESEBUBOARD_XLX_INDEX: 441 default: 442 443 /* elf and xilinx should be loaded */ 444 if (status_elf != 4 || status_xilinx != 4) { 445 printk(KERN_ERR "xilinx or elf not " 446 "successfully loaded\n"); 447 return -EIO; /* modprob -r may help ? */ 448 } 449 450 /* wait for daughter detection != 0 */ 451 err = mixart_wait_nice_for_register_value( mgr, MIXART_PSEUDOREG_DBRD_PRESENCE_OFFSET, 0, 0, 30); /* 300msec */ 452 if (err < 0) { 453 snd_printk(KERN_ERR "error starting elf file\n"); 454 return err; 455 } 456 457 /* the board type can now be retrieved */ 458 mgr->board_type = (DAUGHTER_TYPE_MASK & readl_be( MIXART_MEM( mgr, MIXART_PSEUDOREG_DBRD_TYPE_OFFSET))); 459 460 if (mgr->board_type == MIXART_DAUGHTER_TYPE_NONE) 461 break; /* no daughter board; the file does not have to be loaded, continue after the switch */ 462 463 /* only if aesebu daughter board presence (elf code must run) */ 464 if (mgr->board_type != MIXART_DAUGHTER_TYPE_AES ) 465 return -EINVAL; 466 467 /* daughter should be idle */ 468 if (status_daught != 0) { 469 printk(KERN_ERR "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 snd_printk(KERN_ERR "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 snd_printk(KERN_ERR 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 snd_printk(KERN_ERR "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 snd_printdd("miXart firmware downloaded and successfully set up\n"); 543 544 return 0; 545 } 546 547 548 #if defined(CONFIG_FW_LOADER) || defined(CONFIG_FW_LOADER_MODULE) 549 #if !defined(CONFIG_USE_MIXARTLOADER) && !defined(CONFIG_SND_MIXART) /* built-in kernel */ 550 #define SND_MIXART_FW_LOADER /* use the standard firmware loader */ 551 #endif 552 #endif 553 554 #ifdef SND_MIXART_FW_LOADER 555 556 int snd_mixart_setup_firmware(struct mixart_mgr *mgr) 557 { 558 static char *fw_files[3] = { 559 "miXart8.xlx", "miXart8.elf", "miXart8AES.xlx" 560 }; 561 char path[32]; 562 563 const struct firmware *fw_entry; 564 int i, err; 565 566 for (i = 0; i < 3; i++) { 567 sprintf(path, "mixart/%s", fw_files[i]); 568 if (request_firmware(&fw_entry, path, &mgr->pci->dev)) { 569 snd_printk(KERN_ERR "miXart: can't load firmware %s\n", path); 570 return -ENOENT; 571 } 572 /* fake hwdep dsp record */ 573 err = mixart_dsp_load(mgr, i, fw_entry); 574 release_firmware(fw_entry); 575 if (err < 0) 576 return err; 577 mgr->dsp_loaded |= 1 << i; 578 } 579 return 0; 580 } 581 582 MODULE_FIRMWARE("mixart/miXart8.xlx"); 583 MODULE_FIRMWARE("mixart/miXart8.elf"); 584 MODULE_FIRMWARE("mixart/miXart8AES.xlx"); 585 586 #else /* old style firmware loading */ 587 588 /* miXart hwdep interface id string */ 589 #define SND_MIXART_HWDEP_ID "miXart Loader" 590 591 static int mixart_hwdep_dsp_status(struct snd_hwdep *hw, 592 struct snd_hwdep_dsp_status *info) 593 { 594 struct mixart_mgr *mgr = hw->private_data; 595 596 strcpy(info->id, "miXart"); 597 info->num_dsps = MIXART_HARDW_FILES_MAX_INDEX; 598 599 if (mgr->dsp_loaded & (1 << MIXART_MOTHERBOARD_ELF_INDEX)) 600 info->chip_ready = 1; 601 602 info->version = MIXART_DRIVER_VERSION; 603 return 0; 604 } 605 606 static int mixart_hwdep_dsp_load(struct snd_hwdep *hw, 607 struct snd_hwdep_dsp_image *dsp) 608 { 609 struct mixart_mgr* mgr = hw->private_data; 610 struct firmware fw; 611 int err; 612 613 fw.size = dsp->length; 614 fw.data = vmalloc(dsp->length); 615 if (! fw.data) { 616 snd_printk(KERN_ERR "miXart: cannot allocate image size %d\n", 617 (int)dsp->length); 618 return -ENOMEM; 619 } 620 if (copy_from_user((void *) fw.data, dsp->image, dsp->length)) { 621 vfree(fw.data); 622 return -EFAULT; 623 } 624 err = mixart_dsp_load(mgr, dsp->index, &fw); 625 vfree(fw.data); 626 if (err < 0) 627 return err; 628 mgr->dsp_loaded |= 1 << dsp->index; 629 return err; 630 } 631 632 int snd_mixart_setup_firmware(struct mixart_mgr *mgr) 633 { 634 int err; 635 struct snd_hwdep *hw; 636 637 /* only create hwdep interface for first cardX (see "index" module parameter)*/ 638 if ((err = snd_hwdep_new(mgr->chip[0]->card, SND_MIXART_HWDEP_ID, 0, &hw)) < 0) 639 return err; 640 641 hw->iface = SNDRV_HWDEP_IFACE_MIXART; 642 hw->private_data = mgr; 643 hw->ops.dsp_status = mixart_hwdep_dsp_status; 644 hw->ops.dsp_load = mixart_hwdep_dsp_load; 645 hw->exclusive = 1; 646 sprintf(hw->name, SND_MIXART_HWDEP_ID); 647 mgr->dsp_loaded = 0; 648 649 return snd_card_register(mgr->chip[0]->card); 650 } 651 652 #endif /* SND_MIXART_FW_LOADER */ 653