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 <asm/io.h> 28 #include <sound/core.h> 29 #include "mixart.h" 30 #include "mixart_mixer.h" 31 #include "mixart_core.h" 32 #include "mixart_hwdep.h" 33 34 35 /** 36 * wait for a value on a peudo register, exit with a timeout 37 * 38 * @param mgr pointer to miXart manager structure 39 * @param offset unsigned pseudo_register base + offset of value 40 * @param value value 41 * @param timeout timeout in centisenconds 42 */ 43 static int mixart_wait_nice_for_register_value(struct mixart_mgr *mgr, 44 u32 offset, int is_egal, 45 u32 value, unsigned long timeout) 46 { 47 unsigned long end_time = jiffies + (timeout * HZ / 100); 48 u32 read; 49 50 do { /* we may take too long time in this loop. 51 * so give controls back to kernel if needed. 52 */ 53 cond_resched(); 54 55 read = readl_be( MIXART_MEM( mgr, offset )); 56 if(is_egal) { 57 if(read == value) return 0; 58 } 59 else { /* wait for different value */ 60 if(read != value) return 0; 61 } 62 } while ( time_after_eq(end_time, jiffies) ); 63 64 return -EBUSY; 65 } 66 67 68 /* 69 structures needed to upload elf code packets 70 */ 71 struct snd_mixart_elf32_ehdr { 72 u8 e_ident[16]; 73 u16 e_type; 74 u16 e_machine; 75 u32 e_version; 76 u32 e_entry; 77 u32 e_phoff; 78 u32 e_shoff; 79 u32 e_flags; 80 u16 e_ehsize; 81 u16 e_phentsize; 82 u16 e_phnum; 83 u16 e_shentsize; 84 u16 e_shnum; 85 u16 e_shstrndx; 86 }; 87 88 struct snd_mixart_elf32_phdr { 89 u32 p_type; 90 u32 p_offset; 91 u32 p_vaddr; 92 u32 p_paddr; 93 u32 p_filesz; 94 u32 p_memsz; 95 u32 p_flags; 96 u32 p_align; 97 }; 98 99 static int mixart_load_elf(struct mixart_mgr *mgr, const struct firmware *dsp ) 100 { 101 char elf32_magic_number[4] = {0x7f,'E','L','F'}; 102 struct snd_mixart_elf32_ehdr *elf_header; 103 int i; 104 105 elf_header = (struct snd_mixart_elf32_ehdr *)dsp->data; 106 for( i=0; i<4; i++ ) 107 if ( elf32_magic_number[i] != elf_header->e_ident[i] ) 108 return -EINVAL; 109 110 if( elf_header->e_phoff != 0 ) { 111 struct snd_mixart_elf32_phdr elf_programheader; 112 113 for( i=0; i < be16_to_cpu(elf_header->e_phnum); i++ ) { 114 u32 pos = be32_to_cpu(elf_header->e_phoff) + (u32)(i * be16_to_cpu(elf_header->e_phentsize)); 115 116 memcpy( &elf_programheader, dsp->data + pos, sizeof(elf_programheader) ); 117 118 if(elf_programheader.p_type != 0) { 119 if( elf_programheader.p_filesz != 0 ) { 120 memcpy_toio( MIXART_MEM( mgr, be32_to_cpu(elf_programheader.p_vaddr)), 121 dsp->data + be32_to_cpu( elf_programheader.p_offset ), 122 be32_to_cpu( elf_programheader.p_filesz )); 123 } 124 } 125 } 126 } 127 return 0; 128 } 129 130 /* 131 * get basic information and init miXart 132 */ 133 134 /* audio IDs for request to the board */ 135 #define MIXART_FIRST_ANA_AUDIO_ID 0 136 #define MIXART_FIRST_DIG_AUDIO_ID 8 137 138 static int mixart_enum_connectors(struct mixart_mgr *mgr) 139 { 140 u32 k; 141 int err; 142 struct mixart_msg request; 143 struct mixart_enum_connector_resp *connector; 144 struct mixart_audio_info_req *audio_info_req; 145 struct mixart_audio_info_resp *audio_info; 146 147 connector = kmalloc(sizeof(*connector), GFP_KERNEL); 148 audio_info_req = kmalloc(sizeof(*audio_info_req), GFP_KERNEL); 149 audio_info = kmalloc(sizeof(*audio_info), GFP_KERNEL); 150 if (! connector || ! audio_info_req || ! audio_info) { 151 err = -ENOMEM; 152 goto __error; 153 } 154 155 audio_info_req->line_max_level = MIXART_FLOAT_P_22_0_TO_HEX; 156 audio_info_req->micro_max_level = MIXART_FLOAT_M_20_0_TO_HEX; 157 audio_info_req->cd_max_level = MIXART_FLOAT____0_0_TO_HEX; 158 159 request.message_id = MSG_SYSTEM_ENUM_PLAY_CONNECTOR; 160 request.uid = (struct mixart_uid){0,0}; /* board num = 0 */ 161 request.data = NULL; 162 request.size = 0; 163 164 err = snd_mixart_send_msg(mgr, &request, sizeof(*connector), connector); 165 if((err < 0) || (connector->error_code) || (connector->uid_count > MIXART_MAX_PHYS_CONNECTORS)) { 166 snd_printk(KERN_ERR "error MSG_SYSTEM_ENUM_PLAY_CONNECTOR\n"); 167 err = -EINVAL; 168 goto __error; 169 } 170 171 for(k=0; k < connector->uid_count; k++) { 172 struct mixart_pipe *pipe; 173 174 if(k < MIXART_FIRST_DIG_AUDIO_ID) { 175 pipe = &mgr->chip[k/2]->pipe_out_ana; 176 } else { 177 pipe = &mgr->chip[(k-MIXART_FIRST_DIG_AUDIO_ID)/2]->pipe_out_dig; 178 } 179 if(k & 1) { 180 pipe->uid_right_connector = connector->uid[k]; /* odd */ 181 } else { 182 pipe->uid_left_connector = connector->uid[k]; /* even */ 183 } 184 185 /* snd_printk(KERN_DEBUG "playback connector[%d].object_id = %x\n", k, connector->uid[k].object_id); */ 186 187 /* TODO: really need send_msg MSG_CONNECTOR_GET_AUDIO_INFO for each connector ? perhaps for analog level caps ? */ 188 request.message_id = MSG_CONNECTOR_GET_AUDIO_INFO; 189 request.uid = connector->uid[k]; 190 request.data = audio_info_req; 191 request.size = sizeof(*audio_info_req); 192 193 err = snd_mixart_send_msg(mgr, &request, sizeof(*audio_info), audio_info); 194 if( err < 0 ) { 195 snd_printk(KERN_ERR "error MSG_CONNECTOR_GET_AUDIO_INFO\n"); 196 goto __error; 197 } 198 /*snd_printk(KERN_DEBUG "play analog_info.analog_level_present = %x\n", audio_info->info.analog_info.analog_level_present);*/ 199 } 200 201 request.message_id = MSG_SYSTEM_ENUM_RECORD_CONNECTOR; 202 request.uid = (struct mixart_uid){0,0}; /* board num = 0 */ 203 request.data = NULL; 204 request.size = 0; 205 206 err = snd_mixart_send_msg(mgr, &request, sizeof(*connector), connector); 207 if((err < 0) || (connector->error_code) || (connector->uid_count > MIXART_MAX_PHYS_CONNECTORS)) { 208 snd_printk(KERN_ERR "error MSG_SYSTEM_ENUM_RECORD_CONNECTOR\n"); 209 err = -EINVAL; 210 goto __error; 211 } 212 213 for(k=0; k < connector->uid_count; k++) { 214 struct mixart_pipe *pipe; 215 216 if(k < MIXART_FIRST_DIG_AUDIO_ID) { 217 pipe = &mgr->chip[k/2]->pipe_in_ana; 218 } else { 219 pipe = &mgr->chip[(k-MIXART_FIRST_DIG_AUDIO_ID)/2]->pipe_in_dig; 220 } 221 if(k & 1) { 222 pipe->uid_right_connector = connector->uid[k]; /* odd */ 223 } else { 224 pipe->uid_left_connector = connector->uid[k]; /* even */ 225 } 226 227 /* snd_printk(KERN_DEBUG "capture connector[%d].object_id = %x\n", k, connector->uid[k].object_id); */ 228 229 /* TODO: really need send_msg MSG_CONNECTOR_GET_AUDIO_INFO for each connector ? perhaps for analog level caps ? */ 230 request.message_id = MSG_CONNECTOR_GET_AUDIO_INFO; 231 request.uid = connector->uid[k]; 232 request.data = audio_info_req; 233 request.size = sizeof(*audio_info_req); 234 235 err = snd_mixart_send_msg(mgr, &request, sizeof(*audio_info), audio_info); 236 if( err < 0 ) { 237 snd_printk(KERN_ERR "error MSG_CONNECTOR_GET_AUDIO_INFO\n"); 238 goto __error; 239 } 240 /*snd_printk(KERN_DEBUG "rec analog_info.analog_level_present = %x\n", audio_info->info.analog_info.analog_level_present);*/ 241 } 242 err = 0; 243 244 __error: 245 kfree(connector); 246 kfree(audio_info_req); 247 kfree(audio_info); 248 249 return err; 250 } 251 252 static int mixart_enum_physio(struct mixart_mgr *mgr) 253 { 254 u32 k; 255 int err; 256 struct mixart_msg request; 257 struct mixart_uid get_console_mgr; 258 struct mixart_return_uid console_mgr; 259 struct mixart_uid_enumeration phys_io; 260 261 /* get the uid for the console manager */ 262 get_console_mgr.object_id = 0; 263 get_console_mgr.desc = MSG_CONSOLE_MANAGER | 0; /* cardindex = 0 */ 264 265 request.message_id = MSG_CONSOLE_GET_CLOCK_UID; 266 request.uid = get_console_mgr; 267 request.data = &get_console_mgr; 268 request.size = sizeof(get_console_mgr); 269 270 err = snd_mixart_send_msg(mgr, &request, sizeof(console_mgr), &console_mgr); 271 272 if( (err < 0) || (console_mgr.error_code != 0) ) { 273 snd_printk(KERN_DEBUG "error MSG_CONSOLE_GET_CLOCK_UID : err=%x\n", console_mgr.error_code); 274 return -EINVAL; 275 } 276 277 /* used later for clock issues ! */ 278 mgr->uid_console_manager = console_mgr.uid; 279 280 request.message_id = MSG_SYSTEM_ENUM_PHYSICAL_IO; 281 request.uid = (struct mixart_uid){0,0}; 282 request.data = &console_mgr.uid; 283 request.size = sizeof(console_mgr.uid); 284 285 err = snd_mixart_send_msg(mgr, &request, sizeof(phys_io), &phys_io); 286 if( (err < 0) || ( phys_io.error_code != 0 ) ) { 287 snd_printk(KERN_ERR "error MSG_SYSTEM_ENUM_PHYSICAL_IO err(%x) error_code(%x)\n", err, phys_io.error_code ); 288 return -EINVAL; 289 } 290 291 snd_assert(phys_io.nb_uid >= (MIXART_MAX_CARDS * 2), return -EINVAL); /* min 2 phys io per card (analog in + analog out) */ 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 snd_printk(KERN_ERR "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 snd_printk( KERN_ERR "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 snd_printk( KERN_DEBUG "xilinx is already loaded !\n"); 357 return 0; 358 } 359 /* the status should be 0 == "idle" */ 360 if( status_xilinx != 0 ) { 361 snd_printk( KERN_ERR "xilinx load error ! status = %d\n", status_xilinx); 362 return -EIO; /* modprob -r may help ? */ 363 } 364 365 /* check xilinx validity */ 366 snd_assert(((u32*)(dsp->data))[0]==0xFFFFFFFF, return -EINVAL); 367 snd_assert(dsp->size % 4 == 0, return -EINVAL); 368 369 /* set xilinx status to copying */ 370 writel_be( 1, MIXART_MEM( mgr, MIXART_PSEUDOREG_MXLX_STATUS_OFFSET )); 371 372 /* setup xilinx base address */ 373 writel_be( MIXART_MOTHERBOARD_XLX_BASE_ADDRESS, MIXART_MEM( mgr,MIXART_PSEUDOREG_MXLX_BASE_ADDR_OFFSET )); 374 /* setup code size for xilinx file */ 375 writel_be( dsp->size, MIXART_MEM( mgr, MIXART_PSEUDOREG_MXLX_SIZE_OFFSET )); 376 377 /* copy xilinx code */ 378 memcpy_toio( MIXART_MEM( mgr, MIXART_MOTHERBOARD_XLX_BASE_ADDRESS), dsp->data, dsp->size); 379 380 /* set xilinx status to copy finished */ 381 writel_be( 2, MIXART_MEM( mgr, MIXART_PSEUDOREG_MXLX_STATUS_OFFSET )); 382 383 /* return, because no further processing needed */ 384 return 0; 385 386 case MIXART_MOTHERBOARD_ELF_INDEX: 387 388 if( status_elf == 4 ) { 389 snd_printk( KERN_DEBUG "elf file already loaded !\n"); 390 return 0; 391 } 392 393 /* the status should be 0 == "idle" */ 394 if( status_elf != 0 ) { 395 snd_printk( KERN_ERR "elf load error ! status = %d\n", status_elf); 396 return -EIO; /* modprob -r may help ? */ 397 } 398 399 /* wait for xilinx status == 4 */ 400 err = mixart_wait_nice_for_register_value( mgr, MIXART_PSEUDOREG_MXLX_STATUS_OFFSET, 1, 4, 500); /* 5sec */ 401 if (err < 0) { 402 snd_printk( KERN_ERR "xilinx was not loaded or could not be started\n"); 403 return err; 404 } 405 406 /* init some data on the card */ 407 writel_be( 0, MIXART_MEM( mgr, MIXART_PSEUDOREG_BOARDNUMBER ) ); /* set miXart boardnumber to 0 */ 408 writel_be( 0, MIXART_MEM( mgr, MIXART_FLOWTABLE_PTR ) ); /* reset pointer to flow table on miXart */ 409 410 /* set elf status to copying */ 411 writel_be( 1, MIXART_MEM( mgr, MIXART_PSEUDOREG_ELF_STATUS_OFFSET )); 412 413 /* process the copying of the elf packets */ 414 err = mixart_load_elf( mgr, dsp ); 415 if (err < 0) return err; 416 417 /* set elf status to copy finished */ 418 writel_be( 2, MIXART_MEM( mgr, MIXART_PSEUDOREG_ELF_STATUS_OFFSET )); 419 420 /* wait for elf status == 4 */ 421 err = mixart_wait_nice_for_register_value( mgr, MIXART_PSEUDOREG_ELF_STATUS_OFFSET, 1, 4, 300); /* 3sec */ 422 if (err < 0) { 423 snd_printk( KERN_ERR "elf could not be started\n"); 424 return err; 425 } 426 427 /* miXart waits at this point on the pointer to the flow table */ 428 writel_be( (u32)mgr->flowinfo.addr, MIXART_MEM( mgr, MIXART_FLOWTABLE_PTR ) ); /* give pointer of flow table to miXart */ 429 430 return 0; /* return, another xilinx file has to be loaded before */ 431 432 case MIXART_AESEBUBOARD_XLX_INDEX: 433 default: 434 435 /* elf and xilinx should be loaded */ 436 if( (status_elf != 4) || (status_xilinx != 4) ) { 437 printk( KERN_ERR "xilinx or elf not successfully loaded\n"); 438 return -EIO; /* modprob -r may help ? */ 439 } 440 441 /* wait for daughter detection != 0 */ 442 err = mixart_wait_nice_for_register_value( mgr, MIXART_PSEUDOREG_DBRD_PRESENCE_OFFSET, 0, 0, 30); /* 300msec */ 443 if (err < 0) { 444 snd_printk( KERN_ERR "error starting elf file\n"); 445 return err; 446 } 447 448 /* the board type can now be retrieved */ 449 mgr->board_type = (DAUGHTER_TYPE_MASK & readl_be( MIXART_MEM( mgr, MIXART_PSEUDOREG_DBRD_TYPE_OFFSET))); 450 451 if (mgr->board_type == MIXART_DAUGHTER_TYPE_NONE) 452 break; /* no daughter board; the file does not have to be loaded, continue after the switch */ 453 454 /* only if aesebu daughter board presence (elf code must run) */ 455 if (mgr->board_type != MIXART_DAUGHTER_TYPE_AES ) 456 return -EINVAL; 457 458 /* daughter should be idle */ 459 if( status_daught != 0 ) { 460 printk( KERN_ERR "daughter load error ! status = %d\n", status_daught); 461 return -EIO; /* modprob -r may help ? */ 462 } 463 464 /* check daughterboard xilinx validity */ 465 snd_assert(((u32*)(dsp->data))[0]==0xFFFFFFFF, return -EINVAL); 466 snd_assert(dsp->size % 4 == 0, return -EINVAL); 467 468 /* inform mixart about the size of the file */ 469 writel_be( dsp->size, MIXART_MEM( mgr, MIXART_PSEUDOREG_DXLX_SIZE_OFFSET )); 470 471 /* set daughterboard status to 1 */ 472 writel_be( 1, MIXART_MEM( mgr, MIXART_PSEUDOREG_DXLX_STATUS_OFFSET )); 473 474 /* wait for status == 2 */ 475 err = mixart_wait_nice_for_register_value( mgr, MIXART_PSEUDOREG_DXLX_STATUS_OFFSET, 1, 2, 30); /* 300msec */ 476 if (err < 0) { 477 snd_printk( KERN_ERR "daughter board load error\n"); 478 return err; 479 } 480 481 /* get the address where to write the file */ 482 val = readl_be( MIXART_MEM( mgr, MIXART_PSEUDOREG_DXLX_BASE_ADDR_OFFSET )); 483 snd_assert(val != 0, return -EINVAL); 484 485 /* copy daughterboard xilinx code */ 486 memcpy_toio( MIXART_MEM( mgr, val), dsp->data, dsp->size); 487 488 /* set daughterboard status to 4 */ 489 writel_be( 4, MIXART_MEM( mgr, MIXART_PSEUDOREG_DXLX_STATUS_OFFSET )); 490 491 /* continue with init */ 492 break; 493 } /* end of switch file index*/ 494 495 /* wait for daughter status == 3 */ 496 err = mixart_wait_nice_for_register_value( mgr, MIXART_PSEUDOREG_DXLX_STATUS_OFFSET, 1, 3, 300); /* 3sec */ 497 if (err < 0) { 498 snd_printk( KERN_ERR "daughter board could not be initialised\n"); 499 return err; 500 } 501 502 /* init mailbox (communication with embedded) */ 503 snd_mixart_init_mailbox(mgr); 504 505 /* first communication with embedded */ 506 err = mixart_first_init(mgr); 507 if (err < 0) { 508 snd_printk( KERN_ERR "miXart could not be set up\n"); 509 return err; 510 } 511 512 /* create devices and mixer in accordance with HW options*/ 513 for (card_index = 0; card_index < mgr->num_cards; card_index++) { 514 struct snd_mixart *chip = mgr->chip[card_index]; 515 516 if ((err = snd_mixart_create_pcm(chip)) < 0) 517 return err; 518 519 if (card_index == 0) { 520 if ((err = snd_mixart_create_mixer(chip->mgr)) < 0) 521 return err; 522 } 523 524 if ((err = snd_card_register(chip->card)) < 0) 525 return err; 526 }; 527 528 snd_printdd("miXart firmware downloaded and successfully set up\n"); 529 530 return 0; 531 } 532 533 534 #if defined(CONFIG_FW_LOADER) || defined(CONFIG_FW_LOADER_MODULE) 535 #if !defined(CONFIG_USE_MIXARTLOADER) && !defined(CONFIG_SND_MIXART) /* built-in kernel */ 536 #define SND_MIXART_FW_LOADER /* use the standard firmware loader */ 537 #endif 538 #endif 539 540 #ifdef SND_MIXART_FW_LOADER 541 542 int snd_mixart_setup_firmware(struct mixart_mgr *mgr) 543 { 544 static char *fw_files[3] = { 545 "miXart8.xlx", "miXart8.elf", "miXart8AES.xlx" 546 }; 547 char path[32]; 548 549 const struct firmware *fw_entry; 550 int i, err; 551 552 for (i = 0; i < 3; i++) { 553 sprintf(path, "mixart/%s", fw_files[i]); 554 if (request_firmware(&fw_entry, path, &mgr->pci->dev)) { 555 snd_printk(KERN_ERR "miXart: can't load firmware %s\n", path); 556 return -ENOENT; 557 } 558 /* fake hwdep dsp record */ 559 err = mixart_dsp_load(mgr, i, fw_entry); 560 release_firmware(fw_entry); 561 if (err < 0) 562 return err; 563 mgr->dsp_loaded |= 1 << i; 564 } 565 return 0; 566 } 567 568 MODULE_FIRMWARE("mixart/miXart8.xlx"); 569 MODULE_FIRMWARE("mixart/miXart8.elf"); 570 MODULE_FIRMWARE("mixart/miXart8AES.xlx"); 571 572 #else /* old style firmware loading */ 573 574 /* miXart hwdep interface id string */ 575 #define SND_MIXART_HWDEP_ID "miXart Loader" 576 577 static int mixart_hwdep_open(struct snd_hwdep *hw, struct file *file) 578 { 579 return 0; 580 } 581 582 static int mixart_hwdep_release(struct snd_hwdep *hw, struct file *file) 583 { 584 return 0; 585 } 586 587 static int mixart_hwdep_dsp_status(struct snd_hwdep *hw, 588 struct snd_hwdep_dsp_status *info) 589 { 590 struct mixart_mgr *mgr = hw->private_data; 591 592 strcpy(info->id, "miXart"); 593 info->num_dsps = MIXART_HARDW_FILES_MAX_INDEX; 594 595 if (mgr->dsp_loaded & (1 << MIXART_MOTHERBOARD_ELF_INDEX)) 596 info->chip_ready = 1; 597 598 info->version = MIXART_DRIVER_VERSION; 599 return 0; 600 } 601 602 static int mixart_hwdep_dsp_load(struct snd_hwdep *hw, 603 struct snd_hwdep_dsp_image *dsp) 604 { 605 struct mixart_mgr* mgr = hw->private_data; 606 struct firmware fw; 607 int err; 608 609 fw.size = dsp->length; 610 fw.data = vmalloc(dsp->length); 611 if (! fw.data) { 612 snd_printk(KERN_ERR "miXart: cannot allocate image size %d\n", 613 (int)dsp->length); 614 return -ENOMEM; 615 } 616 if (copy_from_user(fw.data, dsp->image, dsp->length)) { 617 vfree(fw.data); 618 return -EFAULT; 619 } 620 err = mixart_dsp_load(mgr, dsp->index, &fw); 621 vfree(fw.data); 622 if (err < 0) 623 return err; 624 mgr->dsp_loaded |= 1 << dsp->index; 625 return err; 626 } 627 628 int snd_mixart_setup_firmware(struct mixart_mgr *mgr) 629 { 630 int err; 631 struct snd_hwdep *hw; 632 633 /* only create hwdep interface for first cardX (see "index" module parameter)*/ 634 if ((err = snd_hwdep_new(mgr->chip[0]->card, SND_MIXART_HWDEP_ID, 0, &hw)) < 0) 635 return err; 636 637 hw->iface = SNDRV_HWDEP_IFACE_MIXART; 638 hw->private_data = mgr; 639 hw->ops.open = mixart_hwdep_open; 640 hw->ops.release = mixart_hwdep_release; 641 hw->ops.dsp_status = mixart_hwdep_dsp_status; 642 hw->ops.dsp_load = mixart_hwdep_dsp_load; 643 hw->exclusive = 1; 644 sprintf(hw->name, SND_MIXART_HWDEP_ID); 645 mgr->dsp_loaded = 0; 646 647 return snd_card_register(mgr->chip[0]->card); 648 } 649 650 #endif /* SND_MIXART_FW_LOADER */ 651