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 <sound/driver.h> 24 #include <linux/interrupt.h> 25 #include <linux/pci.h> 26 #include <linux/firmware.h> 27 #include <linux/vmalloc.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 snd_assert(phys_io.nb_uid >= (MIXART_MAX_CARDS * 2), return -EINVAL); /* min 2 phys io per card (analog in + analog out) */ 293 294 for(k=0; k<mgr->num_cards; k++) { 295 mgr->chip[k]->uid_in_analog_physio = phys_io.uid[k]; 296 mgr->chip[k]->uid_out_analog_physio = phys_io.uid[phys_io.nb_uid/2 + k]; 297 } 298 299 return 0; 300 } 301 302 303 static int mixart_first_init(struct mixart_mgr *mgr) 304 { 305 u32 k; 306 int err; 307 struct mixart_msg request; 308 309 if((err = mixart_enum_connectors(mgr)) < 0) return err; 310 311 if((err = mixart_enum_physio(mgr)) < 0) return err; 312 313 /* send a synchro command to card (necessary to do this before first MSG_STREAM_START_STREAM_GRP_PACKET) */ 314 /* though why not here */ 315 request.message_id = MSG_SYSTEM_SEND_SYNCHRO_CMD; 316 request.uid = (struct mixart_uid){0,0}; 317 request.data = NULL; 318 request.size = 0; 319 /* this command has no data. response is a 32 bit status */ 320 err = snd_mixart_send_msg(mgr, &request, sizeof(k), &k); 321 if( (err < 0) || (k != 0) ) { 322 snd_printk(KERN_ERR "error MSG_SYSTEM_SEND_SYNCHRO_CMD\n"); 323 return err == 0 ? -EINVAL : err; 324 } 325 326 return 0; 327 } 328 329 330 /* firmware base addresses (when hard coded) */ 331 #define MIXART_MOTHERBOARD_XLX_BASE_ADDRESS 0x00600000 332 333 static int mixart_dsp_load(struct mixart_mgr* mgr, int index, const struct firmware *dsp) 334 { 335 int err, card_index; 336 u32 status_xilinx, status_elf, status_daught; 337 u32 val; 338 339 /* read motherboard xilinx status */ 340 status_xilinx = readl_be( MIXART_MEM( mgr,MIXART_PSEUDOREG_MXLX_STATUS_OFFSET )); 341 /* read elf status */ 342 status_elf = readl_be( MIXART_MEM( mgr,MIXART_PSEUDOREG_ELF_STATUS_OFFSET )); 343 /* read daughterboard xilinx status */ 344 status_daught = readl_be( MIXART_MEM( mgr,MIXART_PSEUDOREG_DXLX_STATUS_OFFSET )); 345 346 /* motherboard xilinx status 5 will say that the board is performing a reset */ 347 if( status_xilinx == 5 ) { 348 snd_printk( KERN_ERR "miXart is resetting !\n"); 349 return -EAGAIN; /* try again later */ 350 } 351 352 switch (index) { 353 case MIXART_MOTHERBOARD_XLX_INDEX: 354 355 /* xilinx already loaded ? */ 356 if( status_xilinx == 4 ) { 357 snd_printk( KERN_DEBUG "xilinx is already loaded !\n"); 358 return 0; 359 } 360 /* the status should be 0 == "idle" */ 361 if( status_xilinx != 0 ) { 362 snd_printk( KERN_ERR "xilinx load error ! status = %d\n", status_xilinx); 363 return -EIO; /* modprob -r may help ? */ 364 } 365 366 /* check xilinx validity */ 367 snd_assert(((u32*)(dsp->data))[0]==0xFFFFFFFF, return -EINVAL); 368 snd_assert(dsp->size % 4 == 0, return -EINVAL); 369 370 /* set xilinx status to copying */ 371 writel_be( 1, MIXART_MEM( mgr, MIXART_PSEUDOREG_MXLX_STATUS_OFFSET )); 372 373 /* setup xilinx base address */ 374 writel_be( MIXART_MOTHERBOARD_XLX_BASE_ADDRESS, MIXART_MEM( mgr,MIXART_PSEUDOREG_MXLX_BASE_ADDR_OFFSET )); 375 /* setup code size for xilinx file */ 376 writel_be( dsp->size, MIXART_MEM( mgr, MIXART_PSEUDOREG_MXLX_SIZE_OFFSET )); 377 378 /* copy xilinx code */ 379 memcpy_toio( MIXART_MEM( mgr, MIXART_MOTHERBOARD_XLX_BASE_ADDRESS), dsp->data, dsp->size); 380 381 /* set xilinx status to copy finished */ 382 writel_be( 2, MIXART_MEM( mgr, MIXART_PSEUDOREG_MXLX_STATUS_OFFSET )); 383 384 /* return, because no further processing needed */ 385 return 0; 386 387 case MIXART_MOTHERBOARD_ELF_INDEX: 388 389 if( status_elf == 4 ) { 390 snd_printk( KERN_DEBUG "elf file already loaded !\n"); 391 return 0; 392 } 393 394 /* the status should be 0 == "idle" */ 395 if( status_elf != 0 ) { 396 snd_printk( KERN_ERR "elf load error ! status = %d\n", status_elf); 397 return -EIO; /* modprob -r may help ? */ 398 } 399 400 /* wait for xilinx status == 4 */ 401 err = mixart_wait_nice_for_register_value( mgr, MIXART_PSEUDOREG_MXLX_STATUS_OFFSET, 1, 4, 500); /* 5sec */ 402 if (err < 0) { 403 snd_printk( KERN_ERR "xilinx was not loaded or could not be started\n"); 404 return err; 405 } 406 407 /* init some data on the card */ 408 writel_be( 0, MIXART_MEM( mgr, MIXART_PSEUDOREG_BOARDNUMBER ) ); /* set miXart boardnumber to 0 */ 409 writel_be( 0, MIXART_MEM( mgr, MIXART_FLOWTABLE_PTR ) ); /* reset pointer to flow table on miXart */ 410 411 /* set elf status to copying */ 412 writel_be( 1, MIXART_MEM( mgr, MIXART_PSEUDOREG_ELF_STATUS_OFFSET )); 413 414 /* process the copying of the elf packets */ 415 err = mixart_load_elf( mgr, dsp ); 416 if (err < 0) return err; 417 418 /* set elf status to copy finished */ 419 writel_be( 2, MIXART_MEM( mgr, MIXART_PSEUDOREG_ELF_STATUS_OFFSET )); 420 421 /* wait for elf status == 4 */ 422 err = mixart_wait_nice_for_register_value( mgr, MIXART_PSEUDOREG_ELF_STATUS_OFFSET, 1, 4, 300); /* 3sec */ 423 if (err < 0) { 424 snd_printk( KERN_ERR "elf could not be started\n"); 425 return err; 426 } 427 428 /* miXart waits at this point on the pointer to the flow table */ 429 writel_be( (u32)mgr->flowinfo.addr, MIXART_MEM( mgr, MIXART_FLOWTABLE_PTR ) ); /* give pointer of flow table to miXart */ 430 431 return 0; /* return, another xilinx file has to be loaded before */ 432 433 case MIXART_AESEBUBOARD_XLX_INDEX: 434 default: 435 436 /* elf and xilinx should be loaded */ 437 if( (status_elf != 4) || (status_xilinx != 4) ) { 438 printk( KERN_ERR "xilinx or elf not successfully loaded\n"); 439 return -EIO; /* modprob -r may help ? */ 440 } 441 442 /* wait for daughter detection != 0 */ 443 err = mixart_wait_nice_for_register_value( mgr, MIXART_PSEUDOREG_DBRD_PRESENCE_OFFSET, 0, 0, 30); /* 300msec */ 444 if (err < 0) { 445 snd_printk( KERN_ERR "error starting elf file\n"); 446 return err; 447 } 448 449 /* the board type can now be retrieved */ 450 mgr->board_type = (DAUGHTER_TYPE_MASK & readl_be( MIXART_MEM( mgr, MIXART_PSEUDOREG_DBRD_TYPE_OFFSET))); 451 452 if (mgr->board_type == MIXART_DAUGHTER_TYPE_NONE) 453 break; /* no daughter board; the file does not have to be loaded, continue after the switch */ 454 455 /* only if aesebu daughter board presence (elf code must run) */ 456 if (mgr->board_type != MIXART_DAUGHTER_TYPE_AES ) 457 return -EINVAL; 458 459 /* daughter should be idle */ 460 if( status_daught != 0 ) { 461 printk( KERN_ERR "daughter load error ! status = %d\n", status_daught); 462 return -EIO; /* modprob -r may help ? */ 463 } 464 465 /* check daughterboard xilinx validity */ 466 snd_assert(((u32*)(dsp->data))[0]==0xFFFFFFFF, return -EINVAL); 467 snd_assert(dsp->size % 4 == 0, return -EINVAL); 468 469 /* inform mixart about the size of the file */ 470 writel_be( dsp->size, MIXART_MEM( mgr, MIXART_PSEUDOREG_DXLX_SIZE_OFFSET )); 471 472 /* set daughterboard status to 1 */ 473 writel_be( 1, MIXART_MEM( mgr, MIXART_PSEUDOREG_DXLX_STATUS_OFFSET )); 474 475 /* wait for status == 2 */ 476 err = mixart_wait_nice_for_register_value( mgr, MIXART_PSEUDOREG_DXLX_STATUS_OFFSET, 1, 2, 30); /* 300msec */ 477 if (err < 0) { 478 snd_printk( KERN_ERR "daughter board load error\n"); 479 return err; 480 } 481 482 /* get the address where to write the file */ 483 val = readl_be( MIXART_MEM( mgr, MIXART_PSEUDOREG_DXLX_BASE_ADDR_OFFSET )); 484 snd_assert(val != 0, return -EINVAL); 485 486 /* copy daughterboard xilinx code */ 487 memcpy_toio( MIXART_MEM( mgr, val), dsp->data, dsp->size); 488 489 /* set daughterboard status to 4 */ 490 writel_be( 4, MIXART_MEM( mgr, MIXART_PSEUDOREG_DXLX_STATUS_OFFSET )); 491 492 /* continue with init */ 493 break; 494 } /* end of switch file index*/ 495 496 /* wait for daughter status == 3 */ 497 err = mixart_wait_nice_for_register_value( mgr, MIXART_PSEUDOREG_DXLX_STATUS_OFFSET, 1, 3, 300); /* 3sec */ 498 if (err < 0) { 499 snd_printk( KERN_ERR "daughter board could not be initialised\n"); 500 return err; 501 } 502 503 /* init mailbox (communication with embedded) */ 504 snd_mixart_init_mailbox(mgr); 505 506 /* first communication with embedded */ 507 err = mixart_first_init(mgr); 508 if (err < 0) { 509 snd_printk( KERN_ERR "miXart could not be set up\n"); 510 return err; 511 } 512 513 /* create devices and mixer in accordance with HW options*/ 514 for (card_index = 0; card_index < mgr->num_cards; card_index++) { 515 struct snd_mixart *chip = mgr->chip[card_index]; 516 517 if ((err = snd_mixart_create_pcm(chip)) < 0) 518 return err; 519 520 if (card_index == 0) { 521 if ((err = snd_mixart_create_mixer(chip->mgr)) < 0) 522 return err; 523 } 524 525 if ((err = snd_card_register(chip->card)) < 0) 526 return err; 527 }; 528 529 snd_printdd("miXart firmware downloaded and successfully set up\n"); 530 531 return 0; 532 } 533 534 535 #if defined(CONFIG_FW_LOADER) || defined(CONFIG_FW_LOADER_MODULE) 536 #if !defined(CONFIG_USE_MIXARTLOADER) && !defined(CONFIG_SND_MIXART) /* built-in kernel */ 537 #define SND_MIXART_FW_LOADER /* use the standard firmware loader */ 538 #endif 539 #endif 540 541 #ifdef SND_MIXART_FW_LOADER 542 543 int snd_mixart_setup_firmware(struct mixart_mgr *mgr) 544 { 545 static char *fw_files[3] = { 546 "miXart8.xlx", "miXart8.elf", "miXart8AES.xlx" 547 }; 548 char path[32]; 549 550 const struct firmware *fw_entry; 551 int i, err; 552 553 for (i = 0; i < 3; i++) { 554 sprintf(path, "mixart/%s", fw_files[i]); 555 if (request_firmware(&fw_entry, path, &mgr->pci->dev)) { 556 snd_printk(KERN_ERR "miXart: can't load firmware %s\n", path); 557 return -ENOENT; 558 } 559 /* fake hwdep dsp record */ 560 err = mixart_dsp_load(mgr, i, fw_entry); 561 release_firmware(fw_entry); 562 if (err < 0) 563 return err; 564 mgr->dsp_loaded |= 1 << i; 565 } 566 return 0; 567 } 568 569 MODULE_FIRMWARE("mixart/miXart8.xlx"); 570 MODULE_FIRMWARE("mixart/miXart8.elf"); 571 MODULE_FIRMWARE("mixart/miXart8AES.xlx"); 572 573 #else /* old style firmware loading */ 574 575 /* miXart hwdep interface id string */ 576 #define SND_MIXART_HWDEP_ID "miXart Loader" 577 578 static int mixart_hwdep_open(struct snd_hwdep *hw, struct file *file) 579 { 580 return 0; 581 } 582 583 static int mixart_hwdep_release(struct snd_hwdep *hw, struct file *file) 584 { 585 return 0; 586 } 587 588 static int mixart_hwdep_dsp_status(struct snd_hwdep *hw, 589 struct snd_hwdep_dsp_status *info) 590 { 591 struct mixart_mgr *mgr = hw->private_data; 592 593 strcpy(info->id, "miXart"); 594 info->num_dsps = MIXART_HARDW_FILES_MAX_INDEX; 595 596 if (mgr->dsp_loaded & (1 << MIXART_MOTHERBOARD_ELF_INDEX)) 597 info->chip_ready = 1; 598 599 info->version = MIXART_DRIVER_VERSION; 600 return 0; 601 } 602 603 static int mixart_hwdep_dsp_load(struct snd_hwdep *hw, 604 struct snd_hwdep_dsp_image *dsp) 605 { 606 struct mixart_mgr* mgr = hw->private_data; 607 struct firmware fw; 608 int err; 609 610 fw.size = dsp->length; 611 fw.data = vmalloc(dsp->length); 612 if (! fw.data) { 613 snd_printk(KERN_ERR "miXart: cannot allocate image size %d\n", 614 (int)dsp->length); 615 return -ENOMEM; 616 } 617 if (copy_from_user(fw.data, dsp->image, dsp->length)) { 618 vfree(fw.data); 619 return -EFAULT; 620 } 621 err = mixart_dsp_load(mgr, dsp->index, &fw); 622 vfree(fw.data); 623 if (err < 0) 624 return err; 625 mgr->dsp_loaded |= 1 << dsp->index; 626 return err; 627 } 628 629 int snd_mixart_setup_firmware(struct mixart_mgr *mgr) 630 { 631 int err; 632 struct snd_hwdep *hw; 633 634 /* only create hwdep interface for first cardX (see "index" module parameter)*/ 635 if ((err = snd_hwdep_new(mgr->chip[0]->card, SND_MIXART_HWDEP_ID, 0, &hw)) < 0) 636 return err; 637 638 hw->iface = SNDRV_HWDEP_IFACE_MIXART; 639 hw->private_data = mgr; 640 hw->ops.open = mixart_hwdep_open; 641 hw->ops.release = mixart_hwdep_release; 642 hw->ops.dsp_status = mixart_hwdep_dsp_status; 643 hw->ops.dsp_load = mixart_hwdep_dsp_load; 644 hw->exclusive = 1; 645 sprintf(hw->name, SND_MIXART_HWDEP_ID); 646 mgr->dsp_loaded = 0; 647 648 return snd_card_register(mgr->chip[0]->card); 649 } 650 651 #endif /* SND_MIXART_FW_LOADER */ 652