?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
hyperv: Add processing of MTU reduced by the host
[linux/fpc-iii.git] / sound / pci / mixart / mixart_hwdep.c
blob581e1e74863c6471642ea893a4dc77de2419635c
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");
Linux with added FPC-III support