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TOMOYO Linux Cross Reference
Linux/sound/pci/mixart/mixart_hwdep.c

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  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                 dev_err(&mgr->pci->dev,
169                         "error MSG_SYSTEM_ENUM_PLAY_CONNECTOR\n");
170                 err = -EINVAL;
171                 goto __error;
172         }
173 
174         for(k=0; k < connector->uid_count; k++) {
175                 struct mixart_pipe *pipe;
176 
177                 if(k < MIXART_FIRST_DIG_AUDIO_ID) {
178                         pipe = &mgr->chip[k/2]->pipe_out_ana;
179                 } else {
180                         pipe = &mgr->chip[(k-MIXART_FIRST_DIG_AUDIO_ID)/2]->pipe_out_dig;
181                 }
182                 if(k & 1) {
183                         pipe->uid_right_connector = connector->uid[k];   /* odd */
184                 } else {
185                         pipe->uid_left_connector = connector->uid[k];    /* even */
186                 }
187 
188                 /* dev_dbg(&mgr->pci->dev, "playback connector[%d].object_id = %x\n", k, connector->uid[k].object_id); */
189 
190                 /* TODO: really need send_msg MSG_CONNECTOR_GET_AUDIO_INFO for each connector ? perhaps for analog level caps ? */
191                 request.message_id = MSG_CONNECTOR_GET_AUDIO_INFO;
192                 request.uid = connector->uid[k];
193                 request.data = audio_info_req;
194                 request.size = sizeof(*audio_info_req);
195 
196                 err = snd_mixart_send_msg(mgr, &request, sizeof(*audio_info), audio_info);
197                 if( err < 0 ) {
198                         dev_err(&mgr->pci->dev,
199                                 "error MSG_CONNECTOR_GET_AUDIO_INFO\n");
200                         goto __error;
201                 }
202                 /*dev_dbg(&mgr->pci->dev, "play  analog_info.analog_level_present = %x\n", audio_info->info.analog_info.analog_level_present);*/
203         }
204 
205         request.message_id = MSG_SYSTEM_ENUM_RECORD_CONNECTOR;
206         request.uid = (struct mixart_uid){0,0};  /* board num = 0 */
207         request.data = NULL;
208         request.size = 0;
209 
210         err = snd_mixart_send_msg(mgr, &request, sizeof(*connector), connector);
211         if((err < 0) || (connector->error_code) || (connector->uid_count > MIXART_MAX_PHYS_CONNECTORS)) {
212                 dev_err(&mgr->pci->dev,
213                         "error MSG_SYSTEM_ENUM_RECORD_CONNECTOR\n");
214                 err = -EINVAL;
215                 goto __error;
216         }
217 
218         for(k=0; k < connector->uid_count; k++) {
219                 struct mixart_pipe *pipe;
220 
221                 if(k < MIXART_FIRST_DIG_AUDIO_ID) {
222                         pipe = &mgr->chip[k/2]->pipe_in_ana;
223                 } else {
224                         pipe = &mgr->chip[(k-MIXART_FIRST_DIG_AUDIO_ID)/2]->pipe_in_dig;
225                 }
226                 if(k & 1) {
227                         pipe->uid_right_connector = connector->uid[k];   /* odd */
228                 } else {
229                         pipe->uid_left_connector = connector->uid[k];    /* even */
230                 }
231 
232                 /* dev_dbg(&mgr->pci->dev, "capture connector[%d].object_id = %x\n", k, connector->uid[k].object_id); */
233 
234                 /* TODO: really need send_msg MSG_CONNECTOR_GET_AUDIO_INFO for each connector ? perhaps for analog level caps ? */
235                 request.message_id = MSG_CONNECTOR_GET_AUDIO_INFO;
236                 request.uid = connector->uid[k];
237                 request.data = audio_info_req;
238                 request.size = sizeof(*audio_info_req);
239 
240                 err = snd_mixart_send_msg(mgr, &request, sizeof(*audio_info), audio_info);
241                 if( err < 0 ) {
242                         dev_err(&mgr->pci->dev,
243                                 "error MSG_CONNECTOR_GET_AUDIO_INFO\n");
244                         goto __error;
245                 }
246                 /*dev_dbg(&mgr->pci->dev, "rec  analog_info.analog_level_present = %x\n", audio_info->info.analog_info.analog_level_present);*/
247         }
248         err = 0;
249 
250  __error:
251         kfree(connector);
252         kfree(audio_info_req);
253         kfree(audio_info);
254 
255         return err;
256 }
257 
258 static int mixart_enum_physio(struct mixart_mgr *mgr)
259 {
260         u32 k;
261         int err;
262         struct mixart_msg request;
263         struct mixart_uid get_console_mgr;
264         struct mixart_return_uid console_mgr;
265         struct mixart_uid_enumeration phys_io;
266 
267         /* get the uid for the console manager */
268         get_console_mgr.object_id = 0;
269         get_console_mgr.desc = MSG_CONSOLE_MANAGER | 0; /* cardindex = 0 */
270 
271         request.message_id = MSG_CONSOLE_GET_CLOCK_UID;
272         request.uid = get_console_mgr;
273         request.data = &get_console_mgr;
274         request.size = sizeof(get_console_mgr);
275 
276         err = snd_mixart_send_msg(mgr, &request, sizeof(console_mgr), &console_mgr);
277 
278         if( (err < 0) || (console_mgr.error_code != 0) ) {
279                 dev_dbg(&mgr->pci->dev,
280                         "error MSG_CONSOLE_GET_CLOCK_UID : err=%x\n",
281                         console_mgr.error_code);
282                 return -EINVAL;
283         }
284 
285         /* used later for clock issues ! */
286         mgr->uid_console_manager = console_mgr.uid;
287 
288         request.message_id = MSG_SYSTEM_ENUM_PHYSICAL_IO;
289         request.uid = (struct mixart_uid){0,0};
290         request.data = &console_mgr.uid;
291         request.size = sizeof(console_mgr.uid);
292 
293         err = snd_mixart_send_msg(mgr, &request, sizeof(phys_io), &phys_io);
294         if( (err < 0) || ( phys_io.error_code != 0 ) ) {
295                 dev_err(&mgr->pci->dev,
296                         "error MSG_SYSTEM_ENUM_PHYSICAL_IO err(%x) error_code(%x)\n",
297                         err, phys_io.error_code);
298                 return -EINVAL;
299         }
300 
301         /* min 2 phys io per card (analog in + analog out) */
302         if (phys_io.nb_uid < MIXART_MAX_CARDS * 2)
303                 return -EINVAL;
304 
305         for(k=0; k<mgr->num_cards; k++) {
306                 mgr->chip[k]->uid_in_analog_physio = phys_io.uid[k];
307                 mgr->chip[k]->uid_out_analog_physio = phys_io.uid[phys_io.nb_uid/2 + k]; 
308         }
309 
310         return 0;
311 }
312 
313 
314 static int mixart_first_init(struct mixart_mgr *mgr)
315 {
316         u32 k;
317         int err;
318         struct mixart_msg request;
319 
320         if((err = mixart_enum_connectors(mgr)) < 0) return err;
321 
322         if((err = mixart_enum_physio(mgr)) < 0) return err;
323 
324         /* send a synchro command to card (necessary to do this before first MSG_STREAM_START_STREAM_GRP_PACKET) */
325         /* though why not here */
326         request.message_id = MSG_SYSTEM_SEND_SYNCHRO_CMD;
327         request.uid = (struct mixart_uid){0,0};
328         request.data = NULL;
329         request.size = 0;
330         /* this command has no data. response is a 32 bit status */
331         err = snd_mixart_send_msg(mgr, &request, sizeof(k), &k);
332         if( (err < 0) || (k != 0) ) {
333                 dev_err(&mgr->pci->dev, "error MSG_SYSTEM_SEND_SYNCHRO_CMD\n");
334                 return err == 0 ? -EINVAL : err;
335         }
336 
337         return 0;
338 }
339 
340 
341 /* firmware base addresses (when hard coded) */
342 #define MIXART_MOTHERBOARD_XLX_BASE_ADDRESS   0x00600000
343 
344 static int mixart_dsp_load(struct mixart_mgr* mgr, int index, const struct firmware *dsp)
345 {
346         int           err, card_index;
347         u32           status_xilinx, status_elf, status_daught;
348         u32           val;
349 
350         /* read motherboard xilinx status */
351         status_xilinx = readl_be( MIXART_MEM( mgr,MIXART_PSEUDOREG_MXLX_STATUS_OFFSET ));
352         /* read elf status */
353         status_elf = readl_be( MIXART_MEM( mgr,MIXART_PSEUDOREG_ELF_STATUS_OFFSET ));
354         /* read daughterboard xilinx status */
355         status_daught = readl_be( MIXART_MEM( mgr,MIXART_PSEUDOREG_DXLX_STATUS_OFFSET ));
356 
357         /* motherboard xilinx status 5 will say that the board is performing a reset */
358         if (status_xilinx == 5) {
359                 dev_err(&mgr->pci->dev, "miXart is resetting !\n");
360                 return -EAGAIN; /* try again later */
361         }
362 
363         switch (index)   {
364         case MIXART_MOTHERBOARD_XLX_INDEX:
365 
366                 /* xilinx already loaded ? */ 
367                 if (status_xilinx == 4) {
368                         dev_dbg(&mgr->pci->dev, "xilinx is already loaded !\n");
369                         return 0;
370                 }
371                 /* the status should be 0 == "idle" */
372                 if (status_xilinx != 0) {
373                         dev_err(&mgr->pci->dev,
374                                 "xilinx load error ! status = %d\n",
375                                    status_xilinx);
376                         return -EIO; /* modprob -r may help ? */
377                 }
378 
379                 /* check xilinx validity */
380                 if (((u32*)(dsp->data))[0] == 0xffffffff)
381                         return -EINVAL;
382                 if (dsp->size % 4)
383                         return -EINVAL;
384 
385                 /* set xilinx status to copying */
386                 writel_be( 1, MIXART_MEM( mgr, MIXART_PSEUDOREG_MXLX_STATUS_OFFSET ));
387 
388                 /* setup xilinx base address */
389                 writel_be( MIXART_MOTHERBOARD_XLX_BASE_ADDRESS, MIXART_MEM( mgr,MIXART_PSEUDOREG_MXLX_BASE_ADDR_OFFSET ));
390                 /* setup code size for xilinx file */
391                 writel_be( dsp->size, MIXART_MEM( mgr, MIXART_PSEUDOREG_MXLX_SIZE_OFFSET ));
392 
393                 /* copy xilinx code */
394                 memcpy_toio(  MIXART_MEM( mgr, MIXART_MOTHERBOARD_XLX_BASE_ADDRESS),  dsp->data,  dsp->size);
395     
396                 /* set xilinx status to copy finished */
397                 writel_be( 2, MIXART_MEM( mgr, MIXART_PSEUDOREG_MXLX_STATUS_OFFSET ));
398 
399                 /* return, because no further processing needed */
400                 return 0;
401 
402         case MIXART_MOTHERBOARD_ELF_INDEX:
403 
404                 if (status_elf == 4) {
405                         dev_dbg(&mgr->pci->dev, "elf file already loaded !\n");
406                         return 0;
407                 }
408 
409                 /* the status should be 0 == "idle" */
410                 if (status_elf != 0) {
411                         dev_err(&mgr->pci->dev,
412                                 "elf load error ! status = %d\n",
413                                    status_elf);
414                         return -EIO; /* modprob -r may help ? */
415                 }
416 
417                 /* wait for xilinx status == 4 */
418                 err = mixart_wait_nice_for_register_value( mgr, MIXART_PSEUDOREG_MXLX_STATUS_OFFSET, 1, 4, 500); /* 5sec */
419                 if (err < 0) {
420                         dev_err(&mgr->pci->dev, "xilinx was not loaded or "
421                                    "could not be started\n");
422                         return err;
423                 }
424 
425                 /* init some data on the card */
426                 writel_be( 0, MIXART_MEM( mgr, MIXART_PSEUDOREG_BOARDNUMBER ) ); /* set miXart boardnumber to 0 */
427                 writel_be( 0, MIXART_MEM( mgr, MIXART_FLOWTABLE_PTR ) );         /* reset pointer to flow table on miXart */
428 
429                 /* set elf status to copying */
430                 writel_be( 1, MIXART_MEM( mgr, MIXART_PSEUDOREG_ELF_STATUS_OFFSET ));
431 
432                 /* process the copying of the elf packets */
433                 err = mixart_load_elf( mgr, dsp );
434                 if (err < 0) return err;
435 
436                 /* set elf status to copy finished */
437                 writel_be( 2, MIXART_MEM( mgr, MIXART_PSEUDOREG_ELF_STATUS_OFFSET ));
438 
439                 /* wait for elf status == 4 */
440                 err = mixart_wait_nice_for_register_value( mgr, MIXART_PSEUDOREG_ELF_STATUS_OFFSET, 1, 4, 300); /* 3sec */
441                 if (err < 0) {
442                         dev_err(&mgr->pci->dev, "elf could not be started\n");
443                         return err;
444                 }
445 
446                 /* miXart waits at this point on the pointer to the flow table */
447                 writel_be( (u32)mgr->flowinfo.addr, MIXART_MEM( mgr, MIXART_FLOWTABLE_PTR ) ); /* give pointer of flow table to miXart */
448 
449                 return 0;  /* return, another xilinx file has to be loaded before */
450 
451         case MIXART_AESEBUBOARD_XLX_INDEX:
452         default:
453 
454                 /* elf and xilinx should be loaded */
455                 if (status_elf != 4 || status_xilinx != 4) {
456                         dev_err(&mgr->pci->dev, "xilinx or elf not "
457                                "successfully loaded\n");
458                         return -EIO; /* modprob -r may help ? */
459                 }
460 
461                 /* wait for daughter detection != 0 */
462                 err = mixart_wait_nice_for_register_value( mgr, MIXART_PSEUDOREG_DBRD_PRESENCE_OFFSET, 0, 0, 30); /* 300msec */
463                 if (err < 0) {
464                         dev_err(&mgr->pci->dev, "error starting elf file\n");
465                         return err;
466                 }
467 
468                 /* the board type can now be retrieved */
469                 mgr->board_type = (DAUGHTER_TYPE_MASK & readl_be( MIXART_MEM( mgr, MIXART_PSEUDOREG_DBRD_TYPE_OFFSET)));
470 
471                 if (mgr->board_type == MIXART_DAUGHTER_TYPE_NONE)
472                         break;  /* no daughter board; the file does not have to be loaded, continue after the switch */
473 
474                 /* only if aesebu daughter board presence (elf code must run)  */ 
475                 if (mgr->board_type != MIXART_DAUGHTER_TYPE_AES )
476                         return -EINVAL;
477 
478                 /* daughter should be idle */
479                 if (status_daught != 0) {
480                         dev_err(&mgr->pci->dev,
481                                 "daughter load error ! status = %d\n",
482                                status_daught);
483                         return -EIO; /* modprob -r may help ? */
484                 }
485  
486                 /* check daughterboard xilinx validity */
487                 if (((u32*)(dsp->data))[0] == 0xffffffff)
488                         return -EINVAL;
489                 if (dsp->size % 4)
490                         return -EINVAL;
491 
492                 /* inform mixart about the size of the file */
493                 writel_be( dsp->size, MIXART_MEM( mgr, MIXART_PSEUDOREG_DXLX_SIZE_OFFSET ));
494 
495                 /* set daughterboard status to 1 */
496                 writel_be( 1, MIXART_MEM( mgr, MIXART_PSEUDOREG_DXLX_STATUS_OFFSET ));
497 
498                 /* wait for status == 2 */
499                 err = mixart_wait_nice_for_register_value( mgr, MIXART_PSEUDOREG_DXLX_STATUS_OFFSET, 1, 2, 30); /* 300msec */
500                 if (err < 0) {
501                         dev_err(&mgr->pci->dev, "daughter board load error\n");
502                         return err;
503                 }
504 
505                 /* get the address where to write the file */
506                 val = readl_be( MIXART_MEM( mgr, MIXART_PSEUDOREG_DXLX_BASE_ADDR_OFFSET ));
507                 if (!val)
508                         return -EINVAL;
509 
510                 /* copy daughterboard xilinx code */
511                 memcpy_toio(  MIXART_MEM( mgr, val),  dsp->data,  dsp->size);
512 
513                 /* set daughterboard status to 4 */
514                 writel_be( 4, MIXART_MEM( mgr, MIXART_PSEUDOREG_DXLX_STATUS_OFFSET ));
515 
516                 /* continue with init */
517                 break;
518         } /* end of switch file index*/
519 
520         /* wait for daughter status == 3 */
521         err = mixart_wait_nice_for_register_value( mgr, MIXART_PSEUDOREG_DXLX_STATUS_OFFSET, 1, 3, 300); /* 3sec */
522         if (err < 0) {
523                 dev_err(&mgr->pci->dev,
524                            "daughter board could not be initialised\n");
525                 return err;
526         }
527 
528         /* init mailbox (communication with embedded) */
529         snd_mixart_init_mailbox(mgr);
530 
531         /* first communication with embedded */
532         err = mixart_first_init(mgr);
533         if (err < 0) {
534                 dev_err(&mgr->pci->dev, "miXart could not be set up\n");
535                 return err;
536         }
537 
538         /* create devices and mixer in accordance with HW options*/
539         for (card_index = 0; card_index < mgr->num_cards; card_index++) {
540                 struct snd_mixart *chip = mgr->chip[card_index];
541 
542                 if ((err = snd_mixart_create_pcm(chip)) < 0)
543                         return err;
544 
545                 if (card_index == 0) {
546                         if ((err = snd_mixart_create_mixer(chip->mgr)) < 0)
547                                 return err;
548                 }
549 
550                 if ((err = snd_card_register(chip->card)) < 0)
551                         return err;
552         }
553 
554         dev_dbg(&mgr->pci->dev,
555                 "miXart firmware downloaded and successfully set up\n");
556 
557         return 0;
558 }
559 
560 
561 int snd_mixart_setup_firmware(struct mixart_mgr *mgr)
562 {
563         static char *fw_files[3] = {
564                 "miXart8.xlx", "miXart8.elf", "miXart8AES.xlx"
565         };
566         char path[32];
567 
568         const struct firmware *fw_entry;
569         int i, err;
570 
571         for (i = 0; i < 3; i++) {
572                 sprintf(path, "mixart/%s", fw_files[i]);
573                 if (request_firmware(&fw_entry, path, &mgr->pci->dev)) {
574                         dev_err(&mgr->pci->dev,
575                                 "miXart: can't load firmware %s\n", path);
576                         return -ENOENT;
577                 }
578                 /* fake hwdep dsp record */
579                 err = mixart_dsp_load(mgr, i, fw_entry);
580                 release_firmware(fw_entry);
581                 if (err < 0)
582                         return err;
583                 mgr->dsp_loaded |= 1 << i;
584         }
585         return 0;
586 }
587 
588 MODULE_FIRMWARE("mixart/miXart8.xlx");
589 MODULE_FIRMWARE("mixart/miXart8.elf");
590 MODULE_FIRMWARE("mixart/miXart8AES.xlx");
591 

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