1 // SPDX-License-Identifier: GPL-2.0-only
2 /* Copyright (C) by Paul Barton-Davis 1998-1999
3 *
4 * Some portions of this file are taken from work that is
5 * copyright (C) by Hannu Savolainen 1993-1996
6 */
7
8 /*
9 * An ALSA lowlevel driver for Turtle Beach ICS2115 wavetable synth
10 * (Maui, Tropez, Tropez Plus)
11 *
12 * This driver supports the onboard wavetable synthesizer (an ICS2115),
13 * including patch, sample and program loading and unloading, conversion
14 * of GUS patches during loading, and full user-level access to all
15 * WaveFront commands. It tries to provide semi-intelligent patch and
16 * sample management as well.
17 *
18 */
19
20 #include <linux/io.h>
21 #include <linux/interrupt.h>
22 #include <linux/init.h>
23 #include <linux/delay.h>
24 #include <linux/time.h>
25 #include <linux/wait.h>
26 #include <linux/sched/signal.h>
27 #include <linux/firmware.h>
28 #include <linux/moduleparam.h>
29 #include <linux/slab.h>
30 #include <linux/module.h>
31 #include <sound/core.h>
32 #include <sound/snd_wavefront.h>
33 #include <sound/initval.h>
34
35 static int wf_raw = 0; /* we normally check for "raw state" to firmware
36 loading. if non-zero, then during driver loading, the
37 state of the board is ignored, and we reset the
38 board and load the firmware anyway.
39 */
40
41 static int fx_raw = 1; /* if this is zero, we'll leave the FX processor in
42 whatever state it is when the driver is loaded.
43 The default is to download the microprogram and
44 associated coefficients to set it up for "default"
45 operation, whatever that means.
46 */
47
48 static int debug_default = 0; /* you can set this to control debugging
49 during driver loading. it takes any combination
50 of the WF_DEBUG_* flags defined in
51 wavefront.h
52 */
53
54 /* XXX this needs to be made firmware and hardware version dependent */
55
56 #define DEFAULT_OSPATH "wavefront.os"
57 static char *ospath = DEFAULT_OSPATH; /* the firmware file name */
58
59 static int wait_usecs = 150; /* This magic number seems to give pretty optimal
60 throughput based on my limited experimentation.
61 If you want to play around with it and find a better
62 value, be my guest. Remember, the idea is to
63 get a number that causes us to just busy wait
64 for as many WaveFront commands as possible, without
65 coming up with a number so large that we hog the
66 whole CPU.
67
68 Specifically, with this number, out of about 134,000
69 status waits, only about 250 result in a sleep.
70 */
71
72 static int sleep_interval = 100; /* HZ/sleep_interval seconds per sleep */
73 static int sleep_tries = 50; /* number of times we'll try to sleep */
74
75 static int reset_time = 2; /* hundreths of a second we wait after a HW
76 reset for the expected interrupt.
77 */
78
79 static int ramcheck_time = 20; /* time in seconds to wait while ROM code
80 checks on-board RAM.
81 */
82
83 static int osrun_time = 10; /* time in seconds we wait for the OS to
84 start running.
85 */
86 module_param(wf_raw, int, 0444);
87 MODULE_PARM_DESC(wf_raw, "if non-zero, assume that we need to boot the OS");
88 module_param(fx_raw, int, 0444);
89 MODULE_PARM_DESC(fx_raw, "if non-zero, assume that the FX process needs help");
90 module_param(debug_default, int, 0444);
91 MODULE_PARM_DESC(debug_default, "debug parameters for card initialization");
92 module_param(wait_usecs, int, 0444);
93 MODULE_PARM_DESC(wait_usecs, "how long to wait without sleeping, usecs");
94 module_param(sleep_interval, int, 0444);
95 MODULE_PARM_DESC(sleep_interval, "how long to sleep when waiting for reply");
96 module_param(sleep_tries, int, 0444);
97 MODULE_PARM_DESC(sleep_tries, "how many times to try sleeping during a wait");
98 module_param(ospath, charp, 0444);
99 MODULE_PARM_DESC(ospath, "pathname to processed ICS2115 OS firmware");
100 module_param(reset_time, int, 0444);
101 MODULE_PARM_DESC(reset_time, "how long to wait for a reset to take effect");
102 module_param(ramcheck_time, int, 0444);
103 MODULE_PARM_DESC(ramcheck_time, "how many seconds to wait for the RAM test");
104 module_param(osrun_time, int, 0444);
105 MODULE_PARM_DESC(osrun_time, "how many seconds to wait for the ICS2115 OS");
106
107 /* if WF_DEBUG not defined, no run-time debugging messages will
108 be available via the debug flag setting. Given the current
109 beta state of the driver, this will remain set until a future
110 version.
111 */
112
113 #define WF_DEBUG 1
114
115 #ifdef WF_DEBUG
116
117 #define DPRINT(cond, ...) \
118 if ((dev->debug & (cond)) == (cond)) { \
119 snd_printk (__VA_ARGS__); \
120 }
121 #else
122 #define DPRINT(cond, args...)
123 #endif /* WF_DEBUG */
124
125 #define LOGNAME "WaveFront: "
126
127 /* bitmasks for WaveFront status port value */
128
129 #define STAT_RINTR_ENABLED 0x01
130 #define STAT_CAN_READ 0x02
131 #define STAT_INTR_READ 0x04
132 #define STAT_WINTR_ENABLED 0x10
133 #define STAT_CAN_WRITE 0x20
134 #define STAT_INTR_WRITE 0x40
135
136 static int wavefront_delete_sample (snd_wavefront_t *, int sampnum);
137 static int wavefront_find_free_sample (snd_wavefront_t *);
138
139 struct wavefront_command {
140 int cmd;
141 char *action;
142 unsigned int read_cnt;
143 unsigned int write_cnt;
144 int need_ack;
145 };
146
147 static struct {
148 int errno;
149 const char *errstr;
150 } wavefront_errors[] = {
151 { 0x01, "Bad sample number" },
152 { 0x02, "Out of sample memory" },
153 { 0x03, "Bad patch number" },
154 { 0x04, "Error in number of voices" },
155 { 0x06, "Sample load already in progress" },
156 { 0x0B, "No sample load request pending" },
157 { 0x0E, "Bad MIDI channel number" },
158 { 0x10, "Download Record Error" },
159 { 0x80, "Success" },
160 { 0x0 }
161 };
162
163 #define NEEDS_ACK 1
164
165 static struct wavefront_command wavefront_commands[] = {
166 { WFC_SET_SYNTHVOL, "set synthesizer volume", 0, 1, NEEDS_ACK },
167 { WFC_GET_SYNTHVOL, "get synthesizer volume", 1, 0, 0},
168 { WFC_SET_NVOICES, "set number of voices", 0, 1, NEEDS_ACK },
169 { WFC_GET_NVOICES, "get number of voices", 1, 0, 0 },
170 { WFC_SET_TUNING, "set synthesizer tuning", 0, 2, NEEDS_ACK },
171 { WFC_GET_TUNING, "get synthesizer tuning", 2, 0, 0 },
172 { WFC_DISABLE_CHANNEL, "disable synth channel", 0, 1, NEEDS_ACK },
173 { WFC_ENABLE_CHANNEL, "enable synth channel", 0, 1, NEEDS_ACK },
174 { WFC_GET_CHANNEL_STATUS, "get synth channel status", 3, 0, 0 },
175 { WFC_MISYNTH_OFF, "disable midi-in to synth", 0, 0, NEEDS_ACK },
176 { WFC_MISYNTH_ON, "enable midi-in to synth", 0, 0, NEEDS_ACK },
177 { WFC_VMIDI_ON, "enable virtual midi mode", 0, 0, NEEDS_ACK },
178 { WFC_VMIDI_OFF, "disable virtual midi mode", 0, 0, NEEDS_ACK },
179 { WFC_MIDI_STATUS, "report midi status", 1, 0, 0 },
180 { WFC_FIRMWARE_VERSION, "report firmware version", 2, 0, 0 },
181 { WFC_HARDWARE_VERSION, "report hardware version", 2, 0, 0 },
182 { WFC_GET_NSAMPLES, "report number of samples", 2, 0, 0 },
183 { WFC_INSTOUT_LEVELS, "report instantaneous output levels", 7, 0, 0 },
184 { WFC_PEAKOUT_LEVELS, "report peak output levels", 7, 0, 0 },
185 { WFC_DOWNLOAD_SAMPLE, "download sample",
186 0, WF_SAMPLE_BYTES, NEEDS_ACK },
187 { WFC_DOWNLOAD_BLOCK, "download block", 0, 0, NEEDS_ACK},
188 { WFC_DOWNLOAD_SAMPLE_HEADER, "download sample header",
189 0, WF_SAMPLE_HDR_BYTES, NEEDS_ACK },
190 { WFC_UPLOAD_SAMPLE_HEADER, "upload sample header", 13, 2, 0 },
191
192 /* This command requires a variable number of bytes to be written.
193 There is a hack in snd_wavefront_cmd() to support this. The actual
194 count is passed in as the read buffer ptr, cast appropriately.
195 Ugh.
196 */
197
198 { WFC_DOWNLOAD_MULTISAMPLE, "download multisample", 0, 0, NEEDS_ACK },
199
200 /* This one is a hack as well. We just read the first byte of the
201 response, don't fetch an ACK, and leave the rest to the
202 calling function. Ugly, ugly, ugly.
203 */
204
205 { WFC_UPLOAD_MULTISAMPLE, "upload multisample", 2, 1, 0 },
206 { WFC_DOWNLOAD_SAMPLE_ALIAS, "download sample alias",
207 0, WF_ALIAS_BYTES, NEEDS_ACK },
208 { WFC_UPLOAD_SAMPLE_ALIAS, "upload sample alias", WF_ALIAS_BYTES, 2, 0},
209 { WFC_DELETE_SAMPLE, "delete sample", 0, 2, NEEDS_ACK },
210 { WFC_IDENTIFY_SAMPLE_TYPE, "identify sample type", 5, 2, 0 },
211 { WFC_UPLOAD_SAMPLE_PARAMS, "upload sample parameters" },
212 { WFC_REPORT_FREE_MEMORY, "report free memory", 4, 0, 0 },
213 { WFC_DOWNLOAD_PATCH, "download patch", 0, 134, NEEDS_ACK },
214 { WFC_UPLOAD_PATCH, "upload patch", 132, 2, 0 },
215 { WFC_DOWNLOAD_PROGRAM, "download program", 0, 33, NEEDS_ACK },
216 { WFC_UPLOAD_PROGRAM, "upload program", 32, 1, 0 },
217 { WFC_DOWNLOAD_EDRUM_PROGRAM, "download enhanced drum program", 0, 9,
218 NEEDS_ACK},
219 { WFC_UPLOAD_EDRUM_PROGRAM, "upload enhanced drum program", 8, 1, 0},
220 { WFC_SET_EDRUM_CHANNEL, "set enhanced drum program channel",
221 0, 1, NEEDS_ACK },
222 { WFC_DISABLE_DRUM_PROGRAM, "disable drum program", 0, 1, NEEDS_ACK },
223 { WFC_REPORT_CHANNEL_PROGRAMS, "report channel program numbers",
224 32, 0, 0 },
225 { WFC_NOOP, "the no-op command", 0, 0, NEEDS_ACK },
226 { 0x00 }
227 };
228
229 static const char *
wavefront_errorstr(int errnum)230 wavefront_errorstr (int errnum)
231
232 {
233 int i;
234
235 for (i = 0; wavefront_errors[i].errstr; i++) {
236 if (wavefront_errors[i].errno == errnum) {
237 return wavefront_errors[i].errstr;
238 }
239 }
240
241 return "Unknown WaveFront error";
242 }
243
244 static struct wavefront_command *
wavefront_get_command(int cmd)245 wavefront_get_command (int cmd)
246
247 {
248 int i;
249
250 for (i = 0; wavefront_commands[i].cmd != 0; i++) {
251 if (cmd == wavefront_commands[i].cmd) {
252 return &wavefront_commands[i];
253 }
254 }
255
256 return NULL;
257 }
258
259 static inline int
wavefront_status(snd_wavefront_t * dev)260 wavefront_status (snd_wavefront_t *dev)
261
262 {
263 return inb (dev->status_port);
264 }
265
266 static int
wavefront_sleep(int limit)267 wavefront_sleep (int limit)
268
269 {
270 schedule_timeout_interruptible(limit);
271
272 return signal_pending(current);
273 }
274
275 static int
wavefront_wait(snd_wavefront_t * dev,int mask)276 wavefront_wait (snd_wavefront_t *dev, int mask)
277
278 {
279 int i;
280
281 /* Spin for a short period of time, because >99% of all
282 requests to the WaveFront can be serviced inline like this.
283 */
284
285 for (i = 0; i < wait_usecs; i += 5) {
286 if (wavefront_status (dev) & mask) {
287 return 1;
288 }
289 udelay(5);
290 }
291
292 for (i = 0; i < sleep_tries; i++) {
293
294 if (wavefront_status (dev) & mask) {
295 return 1;
296 }
297
298 if (wavefront_sleep (HZ/sleep_interval)) {
299 return (0);
300 }
301 }
302
303 return (0);
304 }
305
306 static int
wavefront_read(snd_wavefront_t * dev)307 wavefront_read (snd_wavefront_t *dev)
308
309 {
310 if (wavefront_wait (dev, STAT_CAN_READ))
311 return inb (dev->data_port);
312
313 DPRINT (WF_DEBUG_DATA, "read timeout.\n");
314
315 return -1;
316 }
317
318 static int
wavefront_write(snd_wavefront_t * dev,unsigned char data)319 wavefront_write (snd_wavefront_t *dev, unsigned char data)
320
321 {
322 if (wavefront_wait (dev, STAT_CAN_WRITE)) {
323 outb (data, dev->data_port);
324 return 0;
325 }
326
327 DPRINT (WF_DEBUG_DATA, "write timeout.\n");
328
329 return -1;
330 }
331
332 int
snd_wavefront_cmd(snd_wavefront_t * dev,int cmd,unsigned char * rbuf,unsigned char * wbuf)333 snd_wavefront_cmd (snd_wavefront_t *dev,
334 int cmd, unsigned char *rbuf, unsigned char *wbuf)
335
336 {
337 int ack;
338 unsigned int i;
339 int c;
340 struct wavefront_command *wfcmd;
341
342 if ((wfcmd = wavefront_get_command (cmd)) == NULL) {
343 snd_printk ("command 0x%x not supported.\n",
344 cmd);
345 return 1;
346 }
347
348 /* Hack to handle the one variable-size write command. See
349 wavefront_send_multisample() for the other half of this
350 gross and ugly strategy.
351 */
352
353 if (cmd == WFC_DOWNLOAD_MULTISAMPLE) {
354 wfcmd->write_cnt = (unsigned long) rbuf;
355 rbuf = NULL;
356 }
357
358 DPRINT (WF_DEBUG_CMD, "0x%x [%s] (%d,%d,%d)\n",
359 cmd, wfcmd->action, wfcmd->read_cnt,
360 wfcmd->write_cnt, wfcmd->need_ack);
361
362 if (wavefront_write (dev, cmd)) {
363 DPRINT ((WF_DEBUG_IO|WF_DEBUG_CMD), "cannot request "
364 "0x%x [%s].\n",
365 cmd, wfcmd->action);
366 return 1;
367 }
368
369 if (wfcmd->write_cnt > 0) {
370 DPRINT (WF_DEBUG_DATA, "writing %d bytes "
371 "for 0x%x\n",
372 wfcmd->write_cnt, cmd);
373
374 for (i = 0; i < wfcmd->write_cnt; i++) {
375 if (wavefront_write (dev, wbuf[i])) {
376 DPRINT (WF_DEBUG_IO, "bad write for byte "
377 "%d of 0x%x [%s].\n",
378 i, cmd, wfcmd->action);
379 return 1;
380 }
381
382 DPRINT (WF_DEBUG_DATA, "write[%d] = 0x%x\n",
383 i, wbuf[i]);
384 }
385 }
386
387 if (wfcmd->read_cnt > 0) {
388 DPRINT (WF_DEBUG_DATA, "reading %d ints "
389 "for 0x%x\n",
390 wfcmd->read_cnt, cmd);
391
392 for (i = 0; i < wfcmd->read_cnt; i++) {
393
394 if ((c = wavefront_read (dev)) == -1) {
395 DPRINT (WF_DEBUG_IO, "bad read for byte "
396 "%d of 0x%x [%s].\n",
397 i, cmd, wfcmd->action);
398 return 1;
399 }
400
401 /* Now handle errors. Lots of special cases here */
402
403 if (c == 0xff) {
404 if ((c = wavefront_read (dev)) == -1) {
405 DPRINT (WF_DEBUG_IO, "bad read for "
406 "error byte at "
407 "read byte %d "
408 "of 0x%x [%s].\n",
409 i, cmd,
410 wfcmd->action);
411 return 1;
412 }
413
414 /* Can you believe this madness ? */
415
416 if (c == 1 &&
417 wfcmd->cmd == WFC_IDENTIFY_SAMPLE_TYPE) {
418 rbuf[0] = WF_ST_EMPTY;
419 return (0);
420
421 } else if (c == 3 &&
422 wfcmd->cmd == WFC_UPLOAD_PATCH) {
423
424 return 3;
425
426 } else if (c == 1 &&
427 wfcmd->cmd == WFC_UPLOAD_PROGRAM) {
428
429 return 1;
430
431 } else {
432
433 DPRINT (WF_DEBUG_IO, "error %d (%s) "
434 "during "
435 "read for byte "
436 "%d of 0x%x "
437 "[%s].\n",
438 c,
439 wavefront_errorstr (c),
440 i, cmd,
441 wfcmd->action);
442 return 1;
443
444 }
445
446 } else {
447 rbuf[i] = c;
448 }
449
450 DPRINT (WF_DEBUG_DATA, "read[%d] = 0x%x\n",i, rbuf[i]);
451 }
452 }
453
454 if ((wfcmd->read_cnt == 0 && wfcmd->write_cnt == 0) || wfcmd->need_ack) {
455
456 DPRINT (WF_DEBUG_CMD, "reading ACK for 0x%x\n", cmd);
457
458 /* Some commands need an ACK, but return zero instead
459 of the standard value.
460 */
461
462 if ((ack = wavefront_read (dev)) == 0) {
463 ack = WF_ACK;
464 }
465
466 if (ack != WF_ACK) {
467 if (ack == -1) {
468 DPRINT (WF_DEBUG_IO, "cannot read ack for "
469 "0x%x [%s].\n",
470 cmd, wfcmd->action);
471 return 1;
472
473 } else {
474 int err = -1; /* something unknown */
475
476 if (ack == 0xff) { /* explicit error */
477
478 if ((err = wavefront_read (dev)) == -1) {
479 DPRINT (WF_DEBUG_DATA,
480 "cannot read err "
481 "for 0x%x [%s].\n",
482 cmd, wfcmd->action);
483 }
484 }
485
486 DPRINT (WF_DEBUG_IO, "0x%x [%s] "
487 "failed (0x%x, 0x%x, %s)\n",
488 cmd, wfcmd->action, ack, err,
489 wavefront_errorstr (err));
490
491 return -err;
492 }
493 }
494
495 DPRINT (WF_DEBUG_DATA, "ack received "
496 "for 0x%x [%s]\n",
497 cmd, wfcmd->action);
498 } else {
499
500 DPRINT (WF_DEBUG_CMD, "0x%x [%s] does not need "
501 "ACK (%d,%d,%d)\n",
502 cmd, wfcmd->action, wfcmd->read_cnt,
503 wfcmd->write_cnt, wfcmd->need_ack);
504 }
505
506 return 0;
507
508 }
509
510 /***********************************************************************
511 WaveFront data munging
512
513 Things here are weird. All data written to the board cannot
514 have its most significant bit set. Any data item with values
515 potentially > 0x7F (127) must be split across multiple bytes.
516
517 Sometimes, we need to munge numeric values that are represented on
518 the x86 side as 8-32 bit values. Sometimes, we need to munge data
519 that is represented on the x86 side as an array of bytes. The most
520 efficient approach to handling both cases seems to be to use 2
521 different functions for munging and 2 for de-munging. This avoids
522 weird casting and worrying about bit-level offsets.
523
524 **********************************************************************/
525
526 static unsigned char *
munge_int32(unsigned int src,unsigned char * dst,unsigned int dst_size)527 munge_int32 (unsigned int src,
528 unsigned char *dst,
529 unsigned int dst_size)
530 {
531 unsigned int i;
532
533 for (i = 0; i < dst_size; i++) {
534 *dst = src & 0x7F; /* Mask high bit of LSB */
535 src = src >> 7; /* Rotate Right 7 bits */
536 /* Note: we leave the upper bits in place */
537
538 dst++;
539 }
540 return dst;
541 };
542
543 static int
demunge_int32(unsigned char * src,int src_size)544 demunge_int32 (unsigned char* src, int src_size)
545
546 {
547 int i;
548 int outval = 0;
549
550 for (i = src_size - 1; i >= 0; i--) {
551 outval=(outval<<7)+src[i];
552 }
553
554 return outval;
555 };
556
557 static
558 unsigned char *
munge_buf(unsigned char * src,unsigned char * dst,unsigned int dst_size)559 munge_buf (unsigned char *src, unsigned char *dst, unsigned int dst_size)
560
561 {
562 unsigned int i;
563 unsigned int last = dst_size / 2;
564
565 for (i = 0; i < last; i++) {
566 *dst++ = src[i] & 0x7f;
567 *dst++ = src[i] >> 7;
568 }
569 return dst;
570 }
571
572 static
573 unsigned char *
demunge_buf(unsigned char * src,unsigned char * dst,unsigned int src_bytes)574 demunge_buf (unsigned char *src, unsigned char *dst, unsigned int src_bytes)
575
576 {
577 int i;
578 unsigned char *end = src + src_bytes;
579
580 end = src + src_bytes;
581
582 /* NOTE: src and dst *CAN* point to the same address */
583
584 for (i = 0; src != end; i++) {
585 dst[i] = *src++;
586 dst[i] |= (*src++)<<7;
587 }
588
589 return dst;
590 }
591
592 /***********************************************************************
593 WaveFront: sample, patch and program management.
594 ***********************************************************************/
595
596 static int
wavefront_delete_sample(snd_wavefront_t * dev,int sample_num)597 wavefront_delete_sample (snd_wavefront_t *dev, int sample_num)
598
599 {
600 unsigned char wbuf[2];
601 int x;
602
603 wbuf[0] = sample_num & 0x7f;
604 wbuf[1] = sample_num >> 7;
605
606 if ((x = snd_wavefront_cmd (dev, WFC_DELETE_SAMPLE, NULL, wbuf)) == 0) {
607 dev->sample_status[sample_num] = WF_ST_EMPTY;
608 }
609
610 return x;
611 }
612
613 static int
wavefront_get_sample_status(snd_wavefront_t * dev,int assume_rom)614 wavefront_get_sample_status (snd_wavefront_t *dev, int assume_rom)
615
616 {
617 int i;
618 unsigned char rbuf[32], wbuf[32];
619 unsigned int sc_real, sc_alias, sc_multi;
620
621 /* check sample status */
622
623 if (snd_wavefront_cmd (dev, WFC_GET_NSAMPLES, rbuf, wbuf)) {
624 snd_printk ("cannot request sample count.\n");
625 return -1;
626 }
627
628 sc_real = sc_alias = sc_multi = dev->samples_used = 0;
629
630 for (i = 0; i < WF_MAX_SAMPLE; i++) {
631
632 wbuf[0] = i & 0x7f;
633 wbuf[1] = i >> 7;
634
635 if (snd_wavefront_cmd (dev, WFC_IDENTIFY_SAMPLE_TYPE, rbuf, wbuf)) {
636 snd_printk(KERN_WARNING "cannot identify sample "
637 "type of slot %d\n", i);
638 dev->sample_status[i] = WF_ST_EMPTY;
639 continue;
640 }
641
642 dev->sample_status[i] = (WF_SLOT_FILLED|rbuf[0]);
643
644 if (assume_rom) {
645 dev->sample_status[i] |= WF_SLOT_ROM;
646 }
647
648 switch (rbuf[0] & WF_ST_MASK) {
649 case WF_ST_SAMPLE:
650 sc_real++;
651 break;
652 case WF_ST_MULTISAMPLE:
653 sc_multi++;
654 break;
655 case WF_ST_ALIAS:
656 sc_alias++;
657 break;
658 case WF_ST_EMPTY:
659 break;
660
661 default:
662 snd_printk ("unknown sample type for "
663 "slot %d (0x%x)\n",
664 i, rbuf[0]);
665 }
666
667 if (rbuf[0] != WF_ST_EMPTY) {
668 dev->samples_used++;
669 }
670 }
671
672 snd_printk ("%d samples used (%d real, %d aliases, %d multi), "
673 "%d empty\n", dev->samples_used, sc_real, sc_alias, sc_multi,
674 WF_MAX_SAMPLE - dev->samples_used);
675
676
677 return (0);
678
679 }
680
681 static int
wavefront_get_patch_status(snd_wavefront_t * dev)682 wavefront_get_patch_status (snd_wavefront_t *dev)
683
684 {
685 unsigned char patchbuf[WF_PATCH_BYTES];
686 unsigned char patchnum[2];
687 wavefront_patch *p;
688 int i, x, cnt, cnt2;
689
690 for (i = 0; i < WF_MAX_PATCH; i++) {
691 patchnum[0] = i & 0x7f;
692 patchnum[1] = i >> 7;
693
694 if ((x = snd_wavefront_cmd (dev, WFC_UPLOAD_PATCH, patchbuf,
695 patchnum)) == 0) {
696
697 dev->patch_status[i] |= WF_SLOT_FILLED;
698 p = (wavefront_patch *) patchbuf;
699 dev->sample_status
700 [p->sample_number|(p->sample_msb<<7)] |=
701 WF_SLOT_USED;
702
703 } else if (x == 3) { /* Bad patch number */
704 dev->patch_status[i] = 0;
705 } else {
706 snd_printk ("upload patch "
707 "error 0x%x\n", x);
708 dev->patch_status[i] = 0;
709 return 1;
710 }
711 }
712
713 /* program status has already filled in slot_used bits */
714
715 for (i = 0, cnt = 0, cnt2 = 0; i < WF_MAX_PATCH; i++) {
716 if (dev->patch_status[i] & WF_SLOT_FILLED) {
717 cnt++;
718 }
719 if (dev->patch_status[i] & WF_SLOT_USED) {
720 cnt2++;
721 }
722
723 }
724 snd_printk ("%d patch slots filled, %d in use\n", cnt, cnt2);
725
726 return (0);
727 }
728
729 static int
wavefront_get_program_status(snd_wavefront_t * dev)730 wavefront_get_program_status (snd_wavefront_t *dev)
731
732 {
733 unsigned char progbuf[WF_PROGRAM_BYTES];
734 wavefront_program prog;
735 unsigned char prognum;
736 int i, x, l, cnt;
737
738 for (i = 0; i < WF_MAX_PROGRAM; i++) {
739 prognum = i;
740
741 if ((x = snd_wavefront_cmd (dev, WFC_UPLOAD_PROGRAM, progbuf,
742 &prognum)) == 0) {
743
744 dev->prog_status[i] |= WF_SLOT_USED;
745
746 demunge_buf (progbuf, (unsigned char *) &prog,
747 WF_PROGRAM_BYTES);
748
749 for (l = 0; l < WF_NUM_LAYERS; l++) {
750 if (prog.layer[l].mute) {
751 dev->patch_status
752 [prog.layer[l].patch_number] |=
753 WF_SLOT_USED;
754 }
755 }
756 } else if (x == 1) { /* Bad program number */
757 dev->prog_status[i] = 0;
758 } else {
759 snd_printk ("upload program "
760 "error 0x%x\n", x);
761 dev->prog_status[i] = 0;
762 }
763 }
764
765 for (i = 0, cnt = 0; i < WF_MAX_PROGRAM; i++) {
766 if (dev->prog_status[i]) {
767 cnt++;
768 }
769 }
770
771 snd_printk ("%d programs slots in use\n", cnt);
772
773 return (0);
774 }
775
776 static int
wavefront_send_patch(snd_wavefront_t * dev,wavefront_patch_info * header)777 wavefront_send_patch (snd_wavefront_t *dev, wavefront_patch_info *header)
778
779 {
780 unsigned char buf[WF_PATCH_BYTES+2];
781 unsigned char *bptr;
782
783 DPRINT (WF_DEBUG_LOAD_PATCH, "downloading patch %d\n",
784 header->number);
785
786 if (header->number >= ARRAY_SIZE(dev->patch_status))
787 return -EINVAL;
788
789 dev->patch_status[header->number] |= WF_SLOT_FILLED;
790
791 bptr = munge_int32 (header->number, buf, 2);
792 munge_buf ((unsigned char *)&header->hdr.p, bptr, WF_PATCH_BYTES);
793
794 if (snd_wavefront_cmd (dev, WFC_DOWNLOAD_PATCH, NULL, buf)) {
795 snd_printk ("download patch failed\n");
796 return -EIO;
797 }
798
799 return (0);
800 }
801
802 static int
wavefront_send_program(snd_wavefront_t * dev,wavefront_patch_info * header)803 wavefront_send_program (snd_wavefront_t *dev, wavefront_patch_info *header)
804
805 {
806 unsigned char buf[WF_PROGRAM_BYTES+1];
807 int i;
808
809 DPRINT (WF_DEBUG_LOAD_PATCH, "downloading program %d\n",
810 header->number);
811
812 if (header->number >= ARRAY_SIZE(dev->prog_status))
813 return -EINVAL;
814
815 dev->prog_status[header->number] = WF_SLOT_USED;
816
817 /* XXX need to zero existing SLOT_USED bit for program_status[i]
818 where `i' is the program that's being (potentially) overwritten.
819 */
820
821 for (i = 0; i < WF_NUM_LAYERS; i++) {
822 if (header->hdr.pr.layer[i].mute) {
823 dev->patch_status[header->hdr.pr.layer[i].patch_number] |=
824 WF_SLOT_USED;
825
826 /* XXX need to mark SLOT_USED for sample used by
827 patch_number, but this means we have to load it. Ick.
828 */
829 }
830 }
831
832 buf[0] = header->number;
833 munge_buf ((unsigned char *)&header->hdr.pr, &buf[1], WF_PROGRAM_BYTES);
834
835 if (snd_wavefront_cmd (dev, WFC_DOWNLOAD_PROGRAM, NULL, buf)) {
836 snd_printk ("download patch failed\n");
837 return -EIO;
838 }
839
840 return (0);
841 }
842
843 static int
wavefront_freemem(snd_wavefront_t * dev)844 wavefront_freemem (snd_wavefront_t *dev)
845
846 {
847 char rbuf[8];
848
849 if (snd_wavefront_cmd (dev, WFC_REPORT_FREE_MEMORY, rbuf, NULL)) {
850 snd_printk ("can't get memory stats.\n");
851 return -1;
852 } else {
853 return demunge_int32 (rbuf, 4);
854 }
855 }
856
857 static int
wavefront_send_sample(snd_wavefront_t * dev,wavefront_patch_info * header,u16 __user * dataptr,int data_is_unsigned)858 wavefront_send_sample (snd_wavefront_t *dev,
859 wavefront_patch_info *header,
860 u16 __user *dataptr,
861 int data_is_unsigned)
862
863 {
864 /* samples are downloaded via a 16-bit wide i/o port
865 (you could think of it as 2 adjacent 8-bit wide ports
866 but its less efficient that way). therefore, all
867 the blocksizes and so forth listed in the documentation,
868 and used conventionally to refer to sample sizes,
869 which are given in 8-bit units (bytes), need to be
870 divided by 2.
871 */
872
873 u16 sample_short = 0;
874 u32 length;
875 u16 __user *data_end = NULL;
876 unsigned int i;
877 const unsigned int max_blksize = 4096/2;
878 unsigned int written;
879 unsigned int blocksize;
880 int dma_ack;
881 int blocknum;
882 unsigned char sample_hdr[WF_SAMPLE_HDR_BYTES];
883 unsigned char *shptr;
884 int skip = 0;
885 int initial_skip = 0;
886
887 DPRINT (WF_DEBUG_LOAD_PATCH, "sample %sdownload for slot %d, "
888 "type %d, %d bytes from 0x%lx\n",
889 header->size ? "" : "header ",
890 header->number, header->subkey,
891 header->size,
892 (unsigned long) header->dataptr);
893
894 if (header->number == WAVEFRONT_FIND_FREE_SAMPLE_SLOT) {
895 int x;
896
897 if ((x = wavefront_find_free_sample (dev)) < 0) {
898 return -ENOMEM;
899 }
900 snd_printk ("unspecified sample => %d\n", x);
901 header->number = x;
902 }
903
904 if (header->number >= WF_MAX_SAMPLE)
905 return -EINVAL;
906
907 if (header->size) {
908
909 /* XXX it's a debatable point whether or not RDONLY semantics
910 on the ROM samples should cover just the sample data or
911 the sample header. For now, it only covers the sample data,
912 so anyone is free at all times to rewrite sample headers.
913
914 My reason for this is that we have the sample headers
915 available in the WFB file for General MIDI, and so these
916 can always be reset if needed. The sample data, however,
917 cannot be recovered without a complete reset and firmware
918 reload of the ICS2115, which is a very expensive operation.
919
920 So, doing things this way allows us to honor the notion of
921 "RESETSAMPLES" reasonably cheaply. Note however, that this
922 is done purely at user level: there is no WFB parser in
923 this driver, and so a complete reset (back to General MIDI,
924 or theoretically some other configuration) is the
925 responsibility of the user level library.
926
927 To try to do this in the kernel would be a little
928 crazy: we'd need 158K of kernel space just to hold
929 a copy of the patch/program/sample header data.
930 */
931
932 if (dev->rom_samples_rdonly) {
933 if (dev->sample_status[header->number] & WF_SLOT_ROM) {
934 snd_printk ("sample slot %d "
935 "write protected\n",
936 header->number);
937 return -EACCES;
938 }
939 }
940
941 wavefront_delete_sample (dev, header->number);
942 }
943
944 if (header->size) {
945 dev->freemem = wavefront_freemem (dev);
946
947 if (dev->freemem < (int)header->size) {
948 snd_printk ("insufficient memory to "
949 "load %d byte sample.\n",
950 header->size);
951 return -ENOMEM;
952 }
953
954 }
955
956 skip = WF_GET_CHANNEL(&header->hdr.s);
957
958 if (skip > 0 && header->hdr.s.SampleResolution != LINEAR_16BIT) {
959 snd_printk ("channel selection only "
960 "possible on 16-bit samples");
961 return -EINVAL;
962 }
963
964 switch (skip) {
965 case 0:
966 initial_skip = 0;
967 skip = 1;
968 break;
969 case 1:
970 initial_skip = 0;
971 skip = 2;
972 break;
973 case 2:
974 initial_skip = 1;
975 skip = 2;
976 break;
977 case 3:
978 initial_skip = 2;
979 skip = 3;
980 break;
981 case 4:
982 initial_skip = 3;
983 skip = 4;
984 break;
985 case 5:
986 initial_skip = 4;
987 skip = 5;
988 break;
989 case 6:
990 initial_skip = 5;
991 skip = 6;
992 break;
993 }
994
995 DPRINT (WF_DEBUG_LOAD_PATCH, "channel selection: %d => "
996 "initial skip = %d, skip = %d\n",
997 WF_GET_CHANNEL (&header->hdr.s),
998 initial_skip, skip);
999
1000 /* Be safe, and zero the "Unused" bits ... */
1001
1002 WF_SET_CHANNEL(&header->hdr.s, 0);
1003
1004 /* adjust size for 16 bit samples by dividing by two. We always
1005 send 16 bits per write, even for 8 bit samples, so the length
1006 is always half the size of the sample data in bytes.
1007 */
1008
1009 length = header->size / 2;
1010
1011 /* the data we're sent has not been munged, and in fact, the
1012 header we have to send isn't just a munged copy either.
1013 so, build the sample header right here.
1014 */
1015
1016 shptr = &sample_hdr[0];
1017
1018 shptr = munge_int32 (header->number, shptr, 2);
1019
1020 if (header->size) {
1021 shptr = munge_int32 (length, shptr, 4);
1022 }
1023
1024 /* Yes, a 4 byte result doesn't contain all of the offset bits,
1025 but the offset only uses 24 bits.
1026 */
1027
1028 shptr = munge_int32 (*((u32 *) &header->hdr.s.sampleStartOffset),
1029 shptr, 4);
1030 shptr = munge_int32 (*((u32 *) &header->hdr.s.loopStartOffset),
1031 shptr, 4);
1032 shptr = munge_int32 (*((u32 *) &header->hdr.s.loopEndOffset),
1033 shptr, 4);
1034 shptr = munge_int32 (*((u32 *) &header->hdr.s.sampleEndOffset),
1035 shptr, 4);
1036
1037 /* This one is truly weird. What kind of weirdo decided that in
1038 a system dominated by 16 and 32 bit integers, they would use
1039 a just 12 bits ?
1040 */
1041
1042 shptr = munge_int32 (header->hdr.s.FrequencyBias, shptr, 3);
1043
1044 /* Why is this nybblified, when the MSB is *always* zero ?
1045 Anyway, we can't take address of bitfield, so make a
1046 good-faith guess at where it starts.
1047 */
1048
1049 shptr = munge_int32 (*(&header->hdr.s.FrequencyBias+1),
1050 shptr, 2);
1051
1052 if (snd_wavefront_cmd (dev,
1053 header->size ?
1054 WFC_DOWNLOAD_SAMPLE : WFC_DOWNLOAD_SAMPLE_HEADER,
1055 NULL, sample_hdr)) {
1056 snd_printk ("sample %sdownload refused.\n",
1057 header->size ? "" : "header ");
1058 return -EIO;
1059 }
1060
1061 if (header->size == 0) {
1062 goto sent; /* Sorry. Just had to have one somewhere */
1063 }
1064
1065 data_end = dataptr + length;
1066
1067 /* Do any initial skip over an unused channel's data */
1068
1069 dataptr += initial_skip;
1070
1071 for (written = 0, blocknum = 0;
1072 written < length; written += max_blksize, blocknum++) {
1073
1074 if ((length - written) > max_blksize) {
1075 blocksize = max_blksize;
1076 } else {
1077 /* round to nearest 16-byte value */
1078 blocksize = ALIGN(length - written, 8);
1079 }
1080
1081 if (snd_wavefront_cmd (dev, WFC_DOWNLOAD_BLOCK, NULL, NULL)) {
1082 snd_printk ("download block "
1083 "request refused.\n");
1084 return -EIO;
1085 }
1086
1087 for (i = 0; i < blocksize; i++) {
1088
1089 if (dataptr < data_end) {
1090
1091 __get_user (sample_short, dataptr);
1092 dataptr += skip;
1093
1094 if (data_is_unsigned) { /* GUS ? */
1095
1096 if (WF_SAMPLE_IS_8BIT(&header->hdr.s)) {
1097
1098 /* 8 bit sample
1099 resolution, sign
1100 extend both bytes.
1101 */
1102
1103 ((unsigned char*)
1104 &sample_short)[0] += 0x7f;
1105 ((unsigned char*)
1106 &sample_short)[1] += 0x7f;
1107
1108 } else {
1109
1110 /* 16 bit sample
1111 resolution, sign
1112 extend the MSB.
1113 */
1114
1115 sample_short += 0x7fff;
1116 }
1117 }
1118
1119 } else {
1120
1121 /* In padding section of final block:
1122
1123 Don't fetch unsupplied data from
1124 user space, just continue with
1125 whatever the final value was.
1126 */
1127 }
1128
1129 if (i < blocksize - 1) {
1130 outw (sample_short, dev->block_port);
1131 } else {
1132 outw (sample_short, dev->last_block_port);
1133 }
1134 }
1135
1136 /* Get "DMA page acknowledge", even though its really
1137 nothing to do with DMA at all.
1138 */
1139
1140 if ((dma_ack = wavefront_read (dev)) != WF_DMA_ACK) {
1141 if (dma_ack == -1) {
1142 snd_printk ("upload sample "
1143 "DMA ack timeout\n");
1144 return -EIO;
1145 } else {
1146 snd_printk ("upload sample "
1147 "DMA ack error 0x%x\n",
1148 dma_ack);
1149 return -EIO;
1150 }
1151 }
1152 }
1153
1154 dev->sample_status[header->number] = (WF_SLOT_FILLED|WF_ST_SAMPLE);
1155
1156 /* Note, label is here because sending the sample header shouldn't
1157 alter the sample_status info at all.
1158 */
1159
1160 sent:
1161 return (0);
1162 }
1163
1164 static int
wavefront_send_alias(snd_wavefront_t * dev,wavefront_patch_info * header)1165 wavefront_send_alias (snd_wavefront_t *dev, wavefront_patch_info *header)
1166
1167 {
1168 unsigned char alias_hdr[WF_ALIAS_BYTES];
1169
1170 DPRINT (WF_DEBUG_LOAD_PATCH, "download alias, %d is "
1171 "alias for %d\n",
1172 header->number,
1173 header->hdr.a.OriginalSample);
1174
1175 munge_int32 (header->number, &alias_hdr[0], 2);
1176 munge_int32 (header->hdr.a.OriginalSample, &alias_hdr[2], 2);
1177 munge_int32 (*((unsigned int *)&header->hdr.a.sampleStartOffset),
1178 &alias_hdr[4], 4);
1179 munge_int32 (*((unsigned int *)&header->hdr.a.loopStartOffset),
1180 &alias_hdr[8], 4);
1181 munge_int32 (*((unsigned int *)&header->hdr.a.loopEndOffset),
1182 &alias_hdr[12], 4);
1183 munge_int32 (*((unsigned int *)&header->hdr.a.sampleEndOffset),
1184 &alias_hdr[16], 4);
1185 munge_int32 (header->hdr.a.FrequencyBias, &alias_hdr[20], 3);
1186 munge_int32 (*(&header->hdr.a.FrequencyBias+1), &alias_hdr[23], 2);
1187
1188 if (snd_wavefront_cmd (dev, WFC_DOWNLOAD_SAMPLE_ALIAS, NULL, alias_hdr)) {
1189 snd_printk ("download alias failed.\n");
1190 return -EIO;
1191 }
1192
1193 dev->sample_status[header->number] = (WF_SLOT_FILLED|WF_ST_ALIAS);
1194
1195 return (0);
1196 }
1197
1198 static int
wavefront_send_multisample(snd_wavefront_t * dev,wavefront_patch_info * header)1199 wavefront_send_multisample (snd_wavefront_t *dev, wavefront_patch_info *header)
1200 {
1201 int i;
1202 int num_samples;
1203 unsigned char *msample_hdr;
1204
1205 msample_hdr = kmalloc(WF_MSAMPLE_BYTES, GFP_KERNEL);
1206 if (! msample_hdr)
1207 return -ENOMEM;
1208
1209 munge_int32 (header->number, &msample_hdr[0], 2);
1210
1211 /* You'll recall at this point that the "number of samples" value
1212 in a wavefront_multisample struct is actually the log2 of the
1213 real number of samples.
1214 */
1215
1216 num_samples = (1<<(header->hdr.ms.NumberOfSamples&7));
1217 msample_hdr[2] = (unsigned char) header->hdr.ms.NumberOfSamples;
1218
1219 DPRINT (WF_DEBUG_LOAD_PATCH, "multi %d with %d=%d samples\n",
1220 header->number,
1221 header->hdr.ms.NumberOfSamples,
1222 num_samples);
1223
1224 for (i = 0; i < num_samples; i++) {
1225 DPRINT(WF_DEBUG_LOAD_PATCH|WF_DEBUG_DATA, "sample[%d] = %d\n",
1226 i, header->hdr.ms.SampleNumber[i]);
1227 munge_int32 (header->hdr.ms.SampleNumber[i],
1228 &msample_hdr[3+(i*2)], 2);
1229 }
1230
1231 /* Need a hack here to pass in the number of bytes
1232 to be written to the synth. This is ugly, and perhaps
1233 one day, I'll fix it.
1234 */
1235
1236 if (snd_wavefront_cmd (dev, WFC_DOWNLOAD_MULTISAMPLE,
1237 (unsigned char *) (long) ((num_samples*2)+3),
1238 msample_hdr)) {
1239 snd_printk ("download of multisample failed.\n");
1240 kfree(msample_hdr);
1241 return -EIO;
1242 }
1243
1244 dev->sample_status[header->number] = (WF_SLOT_FILLED|WF_ST_MULTISAMPLE);
1245
1246 kfree(msample_hdr);
1247 return (0);
1248 }
1249
1250 static int
wavefront_fetch_multisample(snd_wavefront_t * dev,wavefront_patch_info * header)1251 wavefront_fetch_multisample (snd_wavefront_t *dev,
1252 wavefront_patch_info *header)
1253 {
1254 int i;
1255 unsigned char log_ns[1];
1256 unsigned char number[2];
1257 int num_samples;
1258
1259 munge_int32 (header->number, number, 2);
1260
1261 if (snd_wavefront_cmd (dev, WFC_UPLOAD_MULTISAMPLE, log_ns, number)) {
1262 snd_printk ("upload multisample failed.\n");
1263 return -EIO;
1264 }
1265
1266 DPRINT (WF_DEBUG_DATA, "msample %d has %d samples\n",
1267 header->number, log_ns[0]);
1268
1269 header->hdr.ms.NumberOfSamples = log_ns[0];
1270
1271 /* get the number of samples ... */
1272
1273 num_samples = (1 << log_ns[0]);
1274
1275 for (i = 0; i < num_samples; i++) {
1276 char d[2];
1277 int val;
1278
1279 if ((val = wavefront_read (dev)) == -1) {
1280 snd_printk ("upload multisample failed "
1281 "during sample loop.\n");
1282 return -EIO;
1283 }
1284 d[0] = val;
1285
1286 if ((val = wavefront_read (dev)) == -1) {
1287 snd_printk ("upload multisample failed "
1288 "during sample loop.\n");
1289 return -EIO;
1290 }
1291 d[1] = val;
1292
1293 header->hdr.ms.SampleNumber[i] =
1294 demunge_int32 ((unsigned char *) d, 2);
1295
1296 DPRINT (WF_DEBUG_DATA, "msample sample[%d] = %d\n",
1297 i, header->hdr.ms.SampleNumber[i]);
1298 }
1299
1300 return (0);
1301 }
1302
1303
1304 static int
wavefront_send_drum(snd_wavefront_t * dev,wavefront_patch_info * header)1305 wavefront_send_drum (snd_wavefront_t *dev, wavefront_patch_info *header)
1306
1307 {
1308 unsigned char drumbuf[WF_DRUM_BYTES];
1309 wavefront_drum *drum = &header->hdr.d;
1310 int i;
1311
1312 DPRINT (WF_DEBUG_LOAD_PATCH, "downloading edrum for MIDI "
1313 "note %d, patch = %d\n",
1314 header->number, drum->PatchNumber);
1315
1316 drumbuf[0] = header->number & 0x7f;
1317
1318 for (i = 0; i < 4; i++) {
1319 munge_int32 (((unsigned char *)drum)[i], &drumbuf[1+(i*2)], 2);
1320 }
1321
1322 if (snd_wavefront_cmd (dev, WFC_DOWNLOAD_EDRUM_PROGRAM, NULL, drumbuf)) {
1323 snd_printk ("download drum failed.\n");
1324 return -EIO;
1325 }
1326
1327 return (0);
1328 }
1329
1330 static int
wavefront_find_free_sample(snd_wavefront_t * dev)1331 wavefront_find_free_sample (snd_wavefront_t *dev)
1332
1333 {
1334 int i;
1335
1336 for (i = 0; i < WF_MAX_SAMPLE; i++) {
1337 if (!(dev->sample_status[i] & WF_SLOT_FILLED)) {
1338 return i;
1339 }
1340 }
1341 snd_printk ("no free sample slots!\n");
1342 return -1;
1343 }
1344
1345 #if 0
1346 static int
1347 wavefront_find_free_patch (snd_wavefront_t *dev)
1348
1349 {
1350 int i;
1351
1352 for (i = 0; i < WF_MAX_PATCH; i++) {
1353 if (!(dev->patch_status[i] & WF_SLOT_FILLED)) {
1354 return i;
1355 }
1356 }
1357 snd_printk ("no free patch slots!\n");
1358 return -1;
1359 }
1360 #endif
1361
1362 static int
wavefront_load_patch(snd_wavefront_t * dev,const char __user * addr)1363 wavefront_load_patch (snd_wavefront_t *dev, const char __user *addr)
1364 {
1365 wavefront_patch_info *header;
1366 int err;
1367
1368 header = kmalloc(sizeof(*header), GFP_KERNEL);
1369 if (! header)
1370 return -ENOMEM;
1371
1372 if (copy_from_user (header, addr, sizeof(wavefront_patch_info) -
1373 sizeof(wavefront_any))) {
1374 snd_printk ("bad address for load patch.\n");
1375 err = -EFAULT;
1376 goto __error;
1377 }
1378
1379 DPRINT (WF_DEBUG_LOAD_PATCH, "download "
1380 "Sample type: %d "
1381 "Sample number: %d "
1382 "Sample size: %d\n",
1383 header->subkey,
1384 header->number,
1385 header->size);
1386
1387 switch (header->subkey) {
1388 case WF_ST_SAMPLE: /* sample or sample_header, based on patch->size */
1389
1390 if (copy_from_user (&header->hdr.s, header->hdrptr,
1391 sizeof (wavefront_sample))) {
1392 err = -EFAULT;
1393 break;
1394 }
1395
1396 err = wavefront_send_sample (dev, header, header->dataptr, 0);
1397 break;
1398
1399 case WF_ST_MULTISAMPLE:
1400
1401 if (copy_from_user (&header->hdr.s, header->hdrptr,
1402 sizeof (wavefront_multisample))) {
1403 err = -EFAULT;
1404 break;
1405 }
1406
1407 err = wavefront_send_multisample (dev, header);
1408 break;
1409
1410 case WF_ST_ALIAS:
1411
1412 if (copy_from_user (&header->hdr.a, header->hdrptr,
1413 sizeof (wavefront_alias))) {
1414 err = -EFAULT;
1415 break;
1416 }
1417
1418 err = wavefront_send_alias (dev, header);
1419 break;
1420
1421 case WF_ST_DRUM:
1422 if (copy_from_user (&header->hdr.d, header->hdrptr,
1423 sizeof (wavefront_drum))) {
1424 err = -EFAULT;
1425 break;
1426 }
1427
1428 err = wavefront_send_drum (dev, header);
1429 break;
1430
1431 case WF_ST_PATCH:
1432 if (copy_from_user (&header->hdr.p, header->hdrptr,
1433 sizeof (wavefront_patch))) {
1434 err = -EFAULT;
1435 break;
1436 }
1437
1438 err = wavefront_send_patch (dev, header);
1439 break;
1440
1441 case WF_ST_PROGRAM:
1442 if (copy_from_user (&header->hdr.pr, header->hdrptr,
1443 sizeof (wavefront_program))) {
1444 err = -EFAULT;
1445 break;
1446 }
1447
1448 err = wavefront_send_program (dev, header);
1449 break;
1450
1451 default:
1452 snd_printk ("unknown patch type %d.\n",
1453 header->subkey);
1454 err = -EINVAL;
1455 break;
1456 }
1457
1458 __error:
1459 kfree(header);
1460 return err;
1461 }
1462
1463 /***********************************************************************
1464 WaveFront: hardware-dependent interface
1465 ***********************************************************************/
1466
1467 static void
process_sample_hdr(u8 * buf)1468 process_sample_hdr (u8 *buf)
1469
1470 {
1471 wavefront_sample s;
1472 u8 *ptr;
1473
1474 ptr = buf;
1475
1476 /* The board doesn't send us an exact copy of a "wavefront_sample"
1477 in response to an Upload Sample Header command. Instead, we
1478 have to convert the data format back into our data structure,
1479 just as in the Download Sample command, where we have to do
1480 something very similar in the reverse direction.
1481 */
1482
1483 *((u32 *) &s.sampleStartOffset) = demunge_int32 (ptr, 4); ptr += 4;
1484 *((u32 *) &s.loopStartOffset) = demunge_int32 (ptr, 4); ptr += 4;
1485 *((u32 *) &s.loopEndOffset) = demunge_int32 (ptr, 4); ptr += 4;
1486 *((u32 *) &s.sampleEndOffset) = demunge_int32 (ptr, 4); ptr += 4;
1487 *((u32 *) &s.FrequencyBias) = demunge_int32 (ptr, 3); ptr += 3;
1488
1489 s.SampleResolution = *ptr & 0x3;
1490 s.Loop = *ptr & 0x8;
1491 s.Bidirectional = *ptr & 0x10;
1492 s.Reverse = *ptr & 0x40;
1493
1494 /* Now copy it back to where it came from */
1495
1496 memcpy (buf, (unsigned char *) &s, sizeof (wavefront_sample));
1497 }
1498
1499 static int
wavefront_synth_control(snd_wavefront_card_t * acard,wavefront_control * wc)1500 wavefront_synth_control (snd_wavefront_card_t *acard,
1501 wavefront_control *wc)
1502
1503 {
1504 snd_wavefront_t *dev = &acard->wavefront;
1505 unsigned char patchnumbuf[2];
1506 int i;
1507
1508 DPRINT (WF_DEBUG_CMD, "synth control with "
1509 "cmd 0x%x\n", wc->cmd);
1510
1511 /* Pre-handling of or for various commands */
1512
1513 switch (wc->cmd) {
1514
1515 case WFC_DISABLE_INTERRUPTS:
1516 snd_printk ("interrupts disabled.\n");
1517 outb (0x80|0x20, dev->control_port);
1518 dev->interrupts_are_midi = 1;
1519 return 0;
1520
1521 case WFC_ENABLE_INTERRUPTS:
1522 snd_printk ("interrupts enabled.\n");
1523 outb (0x80|0x40|0x20, dev->control_port);
1524 dev->interrupts_are_midi = 1;
1525 return 0;
1526
1527 case WFC_INTERRUPT_STATUS:
1528 wc->rbuf[0] = dev->interrupts_are_midi;
1529 return 0;
1530
1531 case WFC_ROMSAMPLES_RDONLY:
1532 dev->rom_samples_rdonly = wc->wbuf[0];
1533 wc->status = 0;
1534 return 0;
1535
1536 case WFC_IDENTIFY_SLOT_TYPE:
1537 i = wc->wbuf[0] | (wc->wbuf[1] << 7);
1538 if (i <0 || i >= WF_MAX_SAMPLE) {
1539 snd_printk ("invalid slot ID %d\n",
1540 i);
1541 wc->status = EINVAL;
1542 return -EINVAL;
1543 }
1544 wc->rbuf[0] = dev->sample_status[i];
1545 wc->status = 0;
1546 return 0;
1547
1548 case WFC_DEBUG_DRIVER:
1549 dev->debug = wc->wbuf[0];
1550 snd_printk ("debug = 0x%x\n", dev->debug);
1551 return 0;
1552
1553 case WFC_UPLOAD_PATCH:
1554 munge_int32 (*((u32 *) wc->wbuf), patchnumbuf, 2);
1555 memcpy (wc->wbuf, patchnumbuf, 2);
1556 break;
1557
1558 case WFC_UPLOAD_MULTISAMPLE:
1559 /* multisamples have to be handled differently, and
1560 cannot be dealt with properly by snd_wavefront_cmd() alone.
1561 */
1562 wc->status = wavefront_fetch_multisample
1563 (dev, (wavefront_patch_info *) wc->rbuf);
1564 return 0;
1565
1566 case WFC_UPLOAD_SAMPLE_ALIAS:
1567 snd_printk ("support for sample alias upload "
1568 "being considered.\n");
1569 wc->status = EINVAL;
1570 return -EINVAL;
1571 }
1572
1573 wc->status = snd_wavefront_cmd (dev, wc->cmd, wc->rbuf, wc->wbuf);
1574
1575 /* Post-handling of certain commands.
1576
1577 In particular, if the command was an upload, demunge the data
1578 so that the user-level doesn't have to think about it.
1579 */
1580
1581 if (wc->status == 0) {
1582 switch (wc->cmd) {
1583 /* intercept any freemem requests so that we know
1584 we are always current with the user-level view
1585 of things.
1586 */
1587
1588 case WFC_REPORT_FREE_MEMORY:
1589 dev->freemem = demunge_int32 (wc->rbuf, 4);
1590 break;
1591
1592 case WFC_UPLOAD_PATCH:
1593 demunge_buf (wc->rbuf, wc->rbuf, WF_PATCH_BYTES);
1594 break;
1595
1596 case WFC_UPLOAD_PROGRAM:
1597 demunge_buf (wc->rbuf, wc->rbuf, WF_PROGRAM_BYTES);
1598 break;
1599
1600 case WFC_UPLOAD_EDRUM_PROGRAM:
1601 demunge_buf (wc->rbuf, wc->rbuf, WF_DRUM_BYTES - 1);
1602 break;
1603
1604 case WFC_UPLOAD_SAMPLE_HEADER:
1605 process_sample_hdr (wc->rbuf);
1606 break;
1607
1608 case WFC_UPLOAD_SAMPLE_ALIAS:
1609 snd_printk ("support for "
1610 "sample aliases still "
1611 "being considered.\n");
1612 break;
1613
1614 case WFC_VMIDI_OFF:
1615 snd_wavefront_midi_disable_virtual (acard);
1616 break;
1617
1618 case WFC_VMIDI_ON:
1619 snd_wavefront_midi_enable_virtual (acard);
1620 break;
1621 }
1622 }
1623
1624 return 0;
1625 }
1626
1627 int
snd_wavefront_synth_open(struct snd_hwdep * hw,struct file * file)1628 snd_wavefront_synth_open (struct snd_hwdep *hw, struct file *file)
1629
1630 {
1631 if (!try_module_get(hw->card->module))
1632 return -EFAULT;
1633 file->private_data = hw;
1634 return 0;
1635 }
1636
1637 int
snd_wavefront_synth_release(struct snd_hwdep * hw,struct file * file)1638 snd_wavefront_synth_release (struct snd_hwdep *hw, struct file *file)
1639
1640 {
1641 module_put(hw->card->module);
1642 return 0;
1643 }
1644
1645 int
snd_wavefront_synth_ioctl(struct snd_hwdep * hw,struct file * file,unsigned int cmd,unsigned long arg)1646 snd_wavefront_synth_ioctl (struct snd_hwdep *hw, struct file *file,
1647 unsigned int cmd, unsigned long arg)
1648
1649 {
1650 struct snd_card *card;
1651 snd_wavefront_t *dev;
1652 snd_wavefront_card_t *acard;
1653 wavefront_control *wc;
1654 void __user *argp = (void __user *)arg;
1655 int err;
1656
1657 card = (struct snd_card *) hw->card;
1658
1659 if (snd_BUG_ON(!card))
1660 return -ENODEV;
1661 if (snd_BUG_ON(!card->private_data))
1662 return -ENODEV;
1663
1664 acard = card->private_data;
1665 dev = &acard->wavefront;
1666
1667 switch (cmd) {
1668 case WFCTL_LOAD_SPP:
1669 if (wavefront_load_patch (dev, argp) != 0) {
1670 return -EIO;
1671 }
1672 break;
1673
1674 case WFCTL_WFCMD:
1675 wc = memdup_user(argp, sizeof(*wc));
1676 if (IS_ERR(wc))
1677 return PTR_ERR(wc);
1678
1679 if (wavefront_synth_control (acard, wc) < 0)
1680 err = -EIO;
1681 else if (copy_to_user (argp, wc, sizeof (*wc)))
1682 err = -EFAULT;
1683 else
1684 err = 0;
1685 kfree(wc);
1686 return err;
1687
1688 default:
1689 return -EINVAL;
1690 }
1691
1692 return 0;
1693 }
1694
1695
1696 /***********************************************************************/
1697 /* WaveFront: interface for card-level wavefront module */
1698 /***********************************************************************/
1699
1700 void
snd_wavefront_internal_interrupt(snd_wavefront_card_t * card)1701 snd_wavefront_internal_interrupt (snd_wavefront_card_t *card)
1702 {
1703 snd_wavefront_t *dev = &card->wavefront;
1704
1705 /*
1706 Some comments on interrupts. I attempted a version of this
1707 driver that used interrupts throughout the code instead of
1708 doing busy and/or sleep-waiting. Alas, it appears that once
1709 the Motorola firmware is downloaded, the card *never*
1710 generates an RX interrupt. These are successfully generated
1711 during firmware loading, and after that wavefront_status()
1712 reports that an interrupt is pending on the card from time
1713 to time, but it never seems to be delivered to this
1714 driver. Note also that wavefront_status() continues to
1715 report that RX interrupts are enabled, suggesting that I
1716 didn't goof up and disable them by mistake.
1717
1718 Thus, I stepped back to a prior version of
1719 wavefront_wait(), the only place where this really
1720 matters. Its sad, but I've looked through the code to check
1721 on things, and I really feel certain that the Motorola
1722 firmware prevents RX-ready interrupts.
1723 */
1724
1725 if ((wavefront_status(dev) & (STAT_INTR_READ|STAT_INTR_WRITE)) == 0) {
1726 return;
1727 }
1728
1729 spin_lock(&dev->irq_lock);
1730 dev->irq_ok = 1;
1731 dev->irq_cnt++;
1732 spin_unlock(&dev->irq_lock);
1733 wake_up(&dev->interrupt_sleeper);
1734 }
1735
1736 /* STATUS REGISTER
1737
1738 0 Host Rx Interrupt Enable (1=Enabled)
1739 1 Host Rx Register Full (1=Full)
1740 2 Host Rx Interrupt Pending (1=Interrupt)
1741 3 Unused
1742 4 Host Tx Interrupt (1=Enabled)
1743 5 Host Tx Register empty (1=Empty)
1744 6 Host Tx Interrupt Pending (1=Interrupt)
1745 7 Unused
1746 */
1747
1748 static int
snd_wavefront_interrupt_bits(int irq)1749 snd_wavefront_interrupt_bits (int irq)
1750
1751 {
1752 int bits;
1753
1754 switch (irq) {
1755 case 9:
1756 bits = 0x00;
1757 break;
1758 case 5:
1759 bits = 0x08;
1760 break;
1761 case 12:
1762 bits = 0x10;
1763 break;
1764 case 15:
1765 bits = 0x18;
1766 break;
1767
1768 default:
1769 snd_printk ("invalid IRQ %d\n", irq);
1770 bits = -1;
1771 }
1772
1773 return bits;
1774 }
1775
1776 static void
wavefront_should_cause_interrupt(snd_wavefront_t * dev,int val,int port,unsigned long timeout)1777 wavefront_should_cause_interrupt (snd_wavefront_t *dev,
1778 int val, int port, unsigned long timeout)
1779
1780 {
1781 wait_queue_entry_t wait;
1782
1783 init_waitqueue_entry(&wait, current);
1784 spin_lock_irq(&dev->irq_lock);
1785 add_wait_queue(&dev->interrupt_sleeper, &wait);
1786 dev->irq_ok = 0;
1787 outb (val,port);
1788 spin_unlock_irq(&dev->irq_lock);
1789 while (!dev->irq_ok && time_before(jiffies, timeout)) {
1790 schedule_timeout_uninterruptible(1);
1791 barrier();
1792 }
1793 }
1794
1795 static int
wavefront_reset_to_cleanliness(snd_wavefront_t * dev)1796 wavefront_reset_to_cleanliness (snd_wavefront_t *dev)
1797
1798 {
1799 int bits;
1800 int hwv[2];
1801
1802 /* IRQ already checked */
1803
1804 bits = snd_wavefront_interrupt_bits (dev->irq);
1805
1806 /* try reset of port */
1807
1808 outb (0x0, dev->control_port);
1809
1810 /* At this point, the board is in reset, and the H/W initialization
1811 register is accessed at the same address as the data port.
1812
1813 Bit 7 - Enable IRQ Driver
1814 0 - Tri-state the Wave-Board drivers for the PC Bus IRQs
1815 1 - Enable IRQ selected by bits 5:3 to be driven onto the PC Bus.
1816
1817 Bit 6 - MIDI Interface Select
1818
1819 0 - Use the MIDI Input from the 26-pin WaveBlaster
1820 compatible header as the serial MIDI source
1821 1 - Use the MIDI Input from the 9-pin D connector as the
1822 serial MIDI source.
1823
1824 Bits 5:3 - IRQ Selection
1825 0 0 0 - IRQ 2/9
1826 0 0 1 - IRQ 5
1827 0 1 0 - IRQ 12
1828 0 1 1 - IRQ 15
1829 1 0 0 - Reserved
1830 1 0 1 - Reserved
1831 1 1 0 - Reserved
1832 1 1 1 - Reserved
1833
1834 Bits 2:1 - Reserved
1835 Bit 0 - Disable Boot ROM
1836 0 - memory accesses to 03FC30-03FFFFH utilize the internal Boot ROM
1837 1 - memory accesses to 03FC30-03FFFFH are directed to external
1838 storage.
1839
1840 */
1841
1842 /* configure hardware: IRQ, enable interrupts,
1843 plus external 9-pin MIDI interface selected
1844 */
1845
1846 outb (0x80 | 0x40 | bits, dev->data_port);
1847
1848 /* CONTROL REGISTER
1849
1850 0 Host Rx Interrupt Enable (1=Enabled) 0x1
1851 1 Unused 0x2
1852 2 Unused 0x4
1853 3 Unused 0x8
1854 4 Host Tx Interrupt Enable 0x10
1855 5 Mute (0=Mute; 1=Play) 0x20
1856 6 Master Interrupt Enable (1=Enabled) 0x40
1857 7 Master Reset (0=Reset; 1=Run) 0x80
1858
1859 Take us out of reset, mute output, master + TX + RX interrupts on.
1860
1861 We'll get an interrupt presumably to tell us that the TX
1862 register is clear.
1863 */
1864
1865 wavefront_should_cause_interrupt(dev, 0x80|0x40|0x10|0x1,
1866 dev->control_port,
1867 (reset_time*HZ)/100);
1868
1869 /* Note: data port is now the data port, not the h/w initialization
1870 port.
1871 */
1872
1873 if (!dev->irq_ok) {
1874 snd_printk ("intr not received after h/w un-reset.\n");
1875 goto gone_bad;
1876 }
1877
1878 /* Note: data port is now the data port, not the h/w initialization
1879 port.
1880
1881 At this point, only "HW VERSION" or "DOWNLOAD OS" commands
1882 will work. So, issue one of them, and wait for TX
1883 interrupt. This can take a *long* time after a cold boot,
1884 while the ISC ROM does its RAM test. The SDK says up to 4
1885 seconds - with 12MB of RAM on a Tropez+, it takes a lot
1886 longer than that (~16secs). Note that the card understands
1887 the difference between a warm and a cold boot, so
1888 subsequent ISC2115 reboots (say, caused by module
1889 reloading) will get through this much faster.
1890
1891 XXX Interesting question: why is no RX interrupt received first ?
1892 */
1893
1894 wavefront_should_cause_interrupt(dev, WFC_HARDWARE_VERSION,
1895 dev->data_port, ramcheck_time*HZ);
1896
1897 if (!dev->irq_ok) {
1898 snd_printk ("post-RAM-check interrupt not received.\n");
1899 goto gone_bad;
1900 }
1901
1902 if (!wavefront_wait (dev, STAT_CAN_READ)) {
1903 snd_printk ("no response to HW version cmd.\n");
1904 goto gone_bad;
1905 }
1906
1907 if ((hwv[0] = wavefront_read (dev)) == -1) {
1908 snd_printk ("board not responding correctly.\n");
1909 goto gone_bad;
1910 }
1911
1912 if (hwv[0] == 0xFF) { /* NAK */
1913
1914 /* Board's RAM test failed. Try to read error code,
1915 and tell us about it either way.
1916 */
1917
1918 if ((hwv[0] = wavefront_read (dev)) == -1) {
1919 snd_printk ("on-board RAM test failed "
1920 "(bad error code).\n");
1921 } else {
1922 snd_printk ("on-board RAM test failed "
1923 "(error code: 0x%x).\n",
1924 hwv[0]);
1925 }
1926 goto gone_bad;
1927 }
1928
1929 /* We're OK, just get the next byte of the HW version response */
1930
1931 if ((hwv[1] = wavefront_read (dev)) == -1) {
1932 snd_printk ("incorrect h/w response.\n");
1933 goto gone_bad;
1934 }
1935
1936 snd_printk ("hardware version %d.%d\n",
1937 hwv[0], hwv[1]);
1938
1939 return 0;
1940
1941
1942 gone_bad:
1943 return (1);
1944 }
1945
1946 static int
wavefront_download_firmware(snd_wavefront_t * dev,char * path)1947 wavefront_download_firmware (snd_wavefront_t *dev, char *path)
1948
1949 {
1950 const unsigned char *buf;
1951 int len, err;
1952 int section_cnt_downloaded = 0;
1953 const struct firmware *firmware;
1954
1955 err = request_firmware(&firmware, path, dev->card->dev);
1956 if (err < 0) {
1957 snd_printk(KERN_ERR "firmware (%s) download failed!!!\n", path);
1958 return 1;
1959 }
1960
1961 len = 0;
1962 buf = firmware->data;
1963 for (;;) {
1964 int section_length = *(signed char *)buf;
1965 if (section_length == 0)
1966 break;
1967 if (section_length < 0 || section_length > WF_SECTION_MAX) {
1968 snd_printk(KERN_ERR
1969 "invalid firmware section length %d\n",
1970 section_length);
1971 goto failure;
1972 }
1973 buf++;
1974 len++;
1975
1976 if (firmware->size < len + section_length) {
1977 snd_printk(KERN_ERR "firmware section read error.\n");
1978 goto failure;
1979 }
1980
1981 /* Send command */
1982 if (wavefront_write(dev, WFC_DOWNLOAD_OS))
1983 goto failure;
1984
1985 for (; section_length; section_length--) {
1986 if (wavefront_write(dev, *buf))
1987 goto failure;
1988 buf++;
1989 len++;
1990 }
1991
1992 /* get ACK */
1993 if (!wavefront_wait(dev, STAT_CAN_READ)) {
1994 snd_printk(KERN_ERR "time out for firmware ACK.\n");
1995 goto failure;
1996 }
1997 err = inb(dev->data_port);
1998 if (err != WF_ACK) {
1999 snd_printk(KERN_ERR
2000 "download of section #%d not "
2001 "acknowledged, ack = 0x%x\n",
2002 section_cnt_downloaded + 1, err);
2003 goto failure;
2004 }
2005
2006 section_cnt_downloaded++;
2007 }
2008
2009 release_firmware(firmware);
2010 return 0;
2011
2012 failure:
2013 release_firmware(firmware);
2014 snd_printk(KERN_ERR "firmware download failed!!!\n");
2015 return 1;
2016 }
2017
2018
2019 static int
wavefront_do_reset(snd_wavefront_t * dev)2020 wavefront_do_reset (snd_wavefront_t *dev)
2021
2022 {
2023 char voices[1];
2024
2025 if (wavefront_reset_to_cleanliness (dev)) {
2026 snd_printk ("hw reset failed.\n");
2027 goto gone_bad;
2028 }
2029
2030 if (dev->israw) {
2031 if (wavefront_download_firmware (dev, ospath)) {
2032 goto gone_bad;
2033 }
2034
2035 dev->israw = 0;
2036
2037 /* Wait for the OS to get running. The protocol for
2038 this is non-obvious, and was determined by
2039 using port-IO tracing in DOSemu and some
2040 experimentation here.
2041
2042 Rather than using timed waits, use interrupts creatively.
2043 */
2044
2045 wavefront_should_cause_interrupt (dev, WFC_NOOP,
2046 dev->data_port,
2047 (osrun_time*HZ));
2048
2049 if (!dev->irq_ok) {
2050 snd_printk ("no post-OS interrupt.\n");
2051 goto gone_bad;
2052 }
2053
2054 /* Now, do it again ! */
2055
2056 wavefront_should_cause_interrupt (dev, WFC_NOOP,
2057 dev->data_port, (10*HZ));
2058
2059 if (!dev->irq_ok) {
2060 snd_printk ("no post-OS interrupt(2).\n");
2061 goto gone_bad;
2062 }
2063
2064 /* OK, no (RX/TX) interrupts any more, but leave mute
2065 in effect.
2066 */
2067
2068 outb (0x80|0x40, dev->control_port);
2069 }
2070
2071 /* SETUPSND.EXE asks for sample memory config here, but since i
2072 have no idea how to interpret the result, we'll forget
2073 about it.
2074 */
2075
2076 if ((dev->freemem = wavefront_freemem (dev)) < 0) {
2077 goto gone_bad;
2078 }
2079
2080 snd_printk ("available DRAM %dk\n", dev->freemem / 1024);
2081
2082 if (wavefront_write (dev, 0xf0) ||
2083 wavefront_write (dev, 1) ||
2084 (wavefront_read (dev) < 0)) {
2085 dev->debug = 0;
2086 snd_printk ("MPU emulation mode not set.\n");
2087 goto gone_bad;
2088 }
2089
2090 voices[0] = 32;
2091
2092 if (snd_wavefront_cmd (dev, WFC_SET_NVOICES, NULL, voices)) {
2093 snd_printk ("cannot set number of voices to 32.\n");
2094 goto gone_bad;
2095 }
2096
2097
2098 return 0;
2099
2100 gone_bad:
2101 /* reset that sucker so that it doesn't bother us. */
2102
2103 outb (0x0, dev->control_port);
2104 dev->interrupts_are_midi = 0;
2105 return 1;
2106 }
2107
2108 int
snd_wavefront_start(snd_wavefront_t * dev)2109 snd_wavefront_start (snd_wavefront_t *dev)
2110
2111 {
2112 int samples_are_from_rom;
2113
2114 /* IMPORTANT: assumes that snd_wavefront_detect() and/or
2115 wavefront_reset_to_cleanliness() has already been called
2116 */
2117
2118 if (dev->israw) {
2119 samples_are_from_rom = 1;
2120 } else {
2121 /* XXX is this always true ? */
2122 samples_are_from_rom = 0;
2123 }
2124
2125 if (dev->israw || fx_raw) {
2126 if (wavefront_do_reset (dev)) {
2127 return -1;
2128 }
2129 }
2130 /* Check for FX device, present only on Tropez+ */
2131
2132 dev->has_fx = (snd_wavefront_fx_detect (dev) == 0);
2133
2134 if (dev->has_fx && fx_raw) {
2135 snd_wavefront_fx_start (dev);
2136 }
2137
2138 wavefront_get_sample_status (dev, samples_are_from_rom);
2139 wavefront_get_program_status (dev);
2140 wavefront_get_patch_status (dev);
2141
2142 /* Start normal operation: unreset, master interrupt enabled, no mute
2143 */
2144
2145 outb (0x80|0x40|0x20, dev->control_port);
2146
2147 return (0);
2148 }
2149
2150 int
snd_wavefront_detect(snd_wavefront_card_t * card)2151 snd_wavefront_detect (snd_wavefront_card_t *card)
2152
2153 {
2154 unsigned char rbuf[4], wbuf[4];
2155 snd_wavefront_t *dev = &card->wavefront;
2156
2157 /* returns zero if a WaveFront card is successfully detected.
2158 negative otherwise.
2159 */
2160
2161 dev->israw = 0;
2162 dev->has_fx = 0;
2163 dev->debug = debug_default;
2164 dev->interrupts_are_midi = 0;
2165 dev->irq_cnt = 0;
2166 dev->rom_samples_rdonly = 1;
2167
2168 if (snd_wavefront_cmd (dev, WFC_FIRMWARE_VERSION, rbuf, wbuf) == 0) {
2169
2170 dev->fw_version[0] = rbuf[0];
2171 dev->fw_version[1] = rbuf[1];
2172
2173 snd_printk ("firmware %d.%d already loaded.\n",
2174 rbuf[0], rbuf[1]);
2175
2176 /* check that a command actually works */
2177
2178 if (snd_wavefront_cmd (dev, WFC_HARDWARE_VERSION,
2179 rbuf, wbuf) == 0) {
2180 dev->hw_version[0] = rbuf[0];
2181 dev->hw_version[1] = rbuf[1];
2182 } else {
2183 snd_printk ("not raw, but no "
2184 "hardware version!\n");
2185 return -1;
2186 }
2187
2188 if (!wf_raw) {
2189 return 0;
2190 } else {
2191 snd_printk ("reloading firmware as you requested.\n");
2192 dev->israw = 1;
2193 }
2194
2195 } else {
2196
2197 dev->israw = 1;
2198 snd_printk ("no response to firmware probe, assume raw.\n");
2199
2200 }
2201
2202 return 0;
2203 }
2204
2205 MODULE_FIRMWARE(DEFAULT_OSPATH);
2206
