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1 | /* |
2 | * linux/sound/oss/waveartist.c |
3 | * |
4 | * The low level driver for the RWA010 Rockwell Wave Artist |
5 | * codec chip used in the Rebel.com NetWinder. |
6 | * |
7 | * Cleaned up and integrated into 2.1 by Russell King (rmk@arm.linux.org.uk) |
8 | * and Pat Beirne (patb@corel.ca) |
9 | * |
10 | * |
11 | * Copyright (C) by Rebel.com 1998-1999 |
12 | * |
13 | * RWA010 specs received under NDA from Rockwell |
14 | * |
15 | * Copyright (C) by Hannu Savolainen 1993-1997 |
16 | * |
17 | * OSS/Free for Linux is distributed under the GNU GENERAL PUBLIC LICENSE (GPL) |
18 | * Version 2 (June 1991). See the "COPYING" file distributed with this software |
19 | * for more info. |
20 | * |
21 | * Changes: |
22 | * 11-10-2000 Bartlomiej Zolnierkiewicz <bkz@linux-ide.org> |
23 | * Added __init to waveartist_init() |
24 | */ |
25 | |
26 | /* Debugging */ |
27 | #define DEBUG_CMD 1 |
28 | #define DEBUG_OUT 2 |
29 | #define DEBUG_IN 4 |
30 | #define DEBUG_INTR 8 |
31 | #define DEBUG_MIXER 16 |
32 | #define DEBUG_TRIGGER 32 |
33 | |
34 | #define debug_flg (0) |
35 | |
36 | #include <linux/module.h> |
37 | #include <linux/init.h> |
38 | #include <linux/slab.h> |
39 | #include <linux/sched.h> |
40 | #include <linux/interrupt.h> |
41 | #include <linux/delay.h> |
42 | #include <linux/spinlock.h> |
43 | #include <linux/bitops.h> |
44 | |
45 | |
46 | #include "sound_config.h" |
47 | #include "waveartist.h" |
48 | |
49 | #ifdef CONFIG_ARM |
50 | #include <mach/hardware.h> |
51 | #include <asm/mach-types.h> |
52 | #endif |
53 | |
54 | #ifndef NO_DMA |
55 | #define NO_DMA 255 |
56 | #endif |
57 | |
58 | #define SUPPORTED_MIXER_DEVICES (SOUND_MASK_SYNTH |\ |
59 | SOUND_MASK_PCM |\ |
60 | SOUND_MASK_LINE |\ |
61 | SOUND_MASK_MIC |\ |
62 | SOUND_MASK_LINE1 |\ |
63 | SOUND_MASK_RECLEV |\ |
64 | SOUND_MASK_VOLUME |\ |
65 | SOUND_MASK_IMIX) |
66 | |
67 | static unsigned short levels[SOUND_MIXER_NRDEVICES] = { |
68 | 0x5555, /* Master Volume */ |
69 | 0x0000, /* Bass */ |
70 | 0x0000, /* Treble */ |
71 | 0x2323, /* Synth (FM) */ |
72 | 0x4b4b, /* PCM */ |
73 | 0x6464, /* PC Speaker */ |
74 | 0x0000, /* Ext Line */ |
75 | 0x0000, /* Mic */ |
76 | 0x0000, /* CD */ |
77 | 0x6464, /* Recording monitor */ |
78 | 0x0000, /* SB PCM (ALT PCM) */ |
79 | 0x0000, /* Recording level */ |
80 | 0x6464, /* Input gain */ |
81 | 0x6464, /* Output gain */ |
82 | 0x0000, /* Line1 (Aux1) */ |
83 | 0x0000, /* Line2 (Aux2) */ |
84 | 0x0000, /* Line3 (Aux3) */ |
85 | 0x0000, /* Digital1 */ |
86 | 0x0000, /* Digital2 */ |
87 | 0x0000, /* Digital3 */ |
88 | 0x0000, /* Phone In */ |
89 | 0x6464, /* Phone Out */ |
90 | 0x0000, /* Video */ |
91 | 0x0000, /* Radio */ |
92 | 0x0000 /* Monitor */ |
93 | }; |
94 | |
95 | typedef struct { |
96 | struct address_info hw; /* hardware */ |
97 | char *chip_name; |
98 | |
99 | int xfer_count; |
100 | int audio_mode; |
101 | int open_mode; |
102 | int audio_flags; |
103 | int record_dev; |
104 | int playback_dev; |
105 | int dev_no; |
106 | |
107 | /* Mixer parameters */ |
108 | const struct waveartist_mixer_info *mix; |
109 | |
110 | unsigned short *levels; /* cache of volume settings */ |
111 | int recmask; /* currently enabled recording device! */ |
112 | |
113 | #ifdef CONFIG_ARCH_NETWINDER |
114 | signed int slider_vol; /* hardware slider volume */ |
115 | unsigned int handset_detect :1; |
116 | unsigned int telephone_detect:1; |
117 | unsigned int no_autoselect :1;/* handset/telephone autoselects a path */ |
118 | unsigned int spkr_mute_state :1;/* set by ioctl or autoselect */ |
119 | unsigned int line_mute_state :1;/* set by ioctl or autoselect */ |
120 | unsigned int use_slider :1;/* use slider setting for o/p vol */ |
121 | #endif |
122 | } wavnc_info; |
123 | |
124 | /* |
125 | * This is the implementation specific mixer information. |
126 | */ |
127 | struct waveartist_mixer_info { |
128 | unsigned int supported_devs; /* Supported devices */ |
129 | unsigned int recording_devs; /* Recordable devies */ |
130 | unsigned int stereo_devs; /* Stereo devices */ |
131 | |
132 | unsigned int (*select_input)(wavnc_info *, unsigned int, |
133 | unsigned char *, unsigned char *); |
134 | int (*decode_mixer)(wavnc_info *, int, |
135 | unsigned char, unsigned char); |
136 | int (*get_mixer)(wavnc_info *, int); |
137 | }; |
138 | |
139 | typedef struct wavnc_port_info { |
140 | int open_mode; |
141 | int speed; |
142 | int channels; |
143 | int audio_format; |
144 | } wavnc_port_info; |
145 | |
146 | static int nr_waveartist_devs; |
147 | static wavnc_info adev_info[MAX_AUDIO_DEV]; |
148 | static DEFINE_SPINLOCK(waveartist_lock); |
149 | |
150 | #ifndef CONFIG_ARCH_NETWINDER |
151 | #define machine_is_netwinder() 0 |
152 | #else |
153 | static struct timer_list vnc_timer; |
154 | static void vnc_configure_mixer(wavnc_info *devc, unsigned int input_mask); |
155 | static int vnc_private_ioctl(int dev, unsigned int cmd, int __user *arg); |
156 | static void vnc_slider_tick(unsigned long data); |
157 | #endif |
158 | |
159 | static inline void |
160 | waveartist_set_ctlr(struct address_info *hw, unsigned char clear, unsigned char set) |
161 | { |
162 | unsigned int ctlr_port = hw->io_base + CTLR; |
163 | |
164 | clear = ~clear & inb(ctlr_port); |
165 | |
166 | outb(clear | set, ctlr_port); |
167 | } |
168 | |
169 | /* Toggle IRQ acknowledge line |
170 | */ |
171 | static inline void |
172 | waveartist_iack(wavnc_info *devc) |
173 | { |
174 | unsigned int ctlr_port = devc->hw.io_base + CTLR; |
175 | int old_ctlr; |
176 | |
177 | old_ctlr = inb(ctlr_port) & ~IRQ_ACK; |
178 | |
179 | outb(old_ctlr | IRQ_ACK, ctlr_port); |
180 | outb(old_ctlr, ctlr_port); |
181 | } |
182 | |
183 | static inline int |
184 | waveartist_sleep(int timeout_ms) |
185 | { |
186 | unsigned int timeout = msecs_to_jiffies(timeout_ms*100); |
187 | return schedule_timeout_interruptible(timeout); |
188 | } |
189 | |
190 | static int |
191 | waveartist_reset(wavnc_info *devc) |
192 | { |
193 | struct address_info *hw = &devc->hw; |
194 | unsigned int timeout, res = -1; |
195 | |
196 | waveartist_set_ctlr(hw, -1, RESET); |
197 | waveartist_sleep(2); |
198 | waveartist_set_ctlr(hw, RESET, 0); |
199 | |
200 | timeout = 500; |
201 | do { |
202 | mdelay(2); |
203 | |
204 | if (inb(hw->io_base + STATR) & CMD_RF) { |
205 | res = inw(hw->io_base + CMDR); |
206 | if (res == 0x55aa) |
207 | break; |
208 | } |
209 | } while (--timeout); |
210 | |
211 | if (timeout == 0) { |
212 | printk(KERN_WARNING "WaveArtist: reset timeout "); |
213 | if (res != (unsigned int)-1) |
214 | printk("(res=%04X)", res); |
215 | printk("\n"); |
216 | return 1; |
217 | } |
218 | return 0; |
219 | } |
220 | |
221 | /* Helper function to send and receive words |
222 | * from WaveArtist. It handles all the handshaking |
223 | * and can send or receive multiple words. |
224 | */ |
225 | static int |
226 | waveartist_cmd(wavnc_info *devc, |
227 | int nr_cmd, unsigned int *cmd, |
228 | int nr_resp, unsigned int *resp) |
229 | { |
230 | unsigned int io_base = devc->hw.io_base; |
231 | unsigned int timed_out = 0; |
232 | unsigned int i; |
233 | |
234 | if (debug_flg & DEBUG_CMD) { |
235 | printk("waveartist_cmd: cmd="); |
236 | |
237 | for (i = 0; i < nr_cmd; i++) |
238 | printk("%04X ", cmd[i]); |
239 | |
240 | printk("\n"); |
241 | } |
242 | |
243 | if (inb(io_base + STATR) & CMD_RF) { |
244 | int old_data; |
245 | |
246 | /* flush the port |
247 | */ |
248 | |
249 | old_data = inw(io_base + CMDR); |
250 | |
251 | if (debug_flg & DEBUG_CMD) |
252 | printk("flushed %04X...", old_data); |
253 | |
254 | udelay(10); |
255 | } |
256 | |
257 | for (i = 0; !timed_out && i < nr_cmd; i++) { |
258 | int count; |
259 | |
260 | for (count = 5000; count; count--) |
261 | if (inb(io_base + STATR) & CMD_WE) |
262 | break; |
263 | |
264 | if (!count) |
265 | timed_out = 1; |
266 | else |
267 | outw(cmd[i], io_base + CMDR); |
268 | } |
269 | |
270 | for (i = 0; !timed_out && i < nr_resp; i++) { |
271 | int count; |
272 | |
273 | for (count = 5000; count; count--) |
274 | if (inb(io_base + STATR) & CMD_RF) |
275 | break; |
276 | |
277 | if (!count) |
278 | timed_out = 1; |
279 | else |
280 | resp[i] = inw(io_base + CMDR); |
281 | } |
282 | |
283 | if (debug_flg & DEBUG_CMD) { |
284 | if (!timed_out) { |
285 | printk("waveartist_cmd: resp="); |
286 | |
287 | for (i = 0; i < nr_resp; i++) |
288 | printk("%04X ", resp[i]); |
289 | |
290 | printk("\n"); |
291 | } else |
292 | printk("waveartist_cmd: timed out\n"); |
293 | } |
294 | |
295 | return timed_out ? 1 : 0; |
296 | } |
297 | |
298 | /* |
299 | * Send one command word |
300 | */ |
301 | static inline int |
302 | waveartist_cmd1(wavnc_info *devc, unsigned int cmd) |
303 | { |
304 | return waveartist_cmd(devc, 1, &cmd, 0, NULL); |
305 | } |
306 | |
307 | /* |
308 | * Send one command, receive one word |
309 | */ |
310 | static inline unsigned int |
311 | waveartist_cmd1_r(wavnc_info *devc, unsigned int cmd) |
312 | { |
313 | unsigned int ret; |
314 | |
315 | waveartist_cmd(devc, 1, &cmd, 1, &ret); |
316 | |
317 | return ret; |
318 | } |
319 | |
320 | /* |
321 | * Send a double command, receive one |
322 | * word (and throw it away) |
323 | */ |
324 | static inline int |
325 | waveartist_cmd2(wavnc_info *devc, unsigned int cmd, unsigned int arg) |
326 | { |
327 | unsigned int vals[2]; |
328 | |
329 | vals[0] = cmd; |
330 | vals[1] = arg; |
331 | |
332 | return waveartist_cmd(devc, 2, vals, 1, vals); |
333 | } |
334 | |
335 | /* |
336 | * Send a triple command |
337 | */ |
338 | static inline int |
339 | waveartist_cmd3(wavnc_info *devc, unsigned int cmd, |
340 | unsigned int arg1, unsigned int arg2) |
341 | { |
342 | unsigned int vals[3]; |
343 | |
344 | vals[0] = cmd; |
345 | vals[1] = arg1; |
346 | vals[2] = arg2; |
347 | |
348 | return waveartist_cmd(devc, 3, vals, 0, NULL); |
349 | } |
350 | |
351 | static int |
352 | waveartist_getrev(wavnc_info *devc, char *rev) |
353 | { |
354 | unsigned int temp[2]; |
355 | unsigned int cmd = WACMD_GETREV; |
356 | |
357 | waveartist_cmd(devc, 1, &cmd, 2, temp); |
358 | |
359 | rev[0] = temp[0] >> 8; |
360 | rev[1] = temp[0] & 255; |
361 | rev[2] = '\0'; |
362 | |
363 | return temp[0]; |
364 | } |
365 | |
366 | static void waveartist_halt_output(int dev); |
367 | static void waveartist_halt_input(int dev); |
368 | static void waveartist_halt(int dev); |
369 | static void waveartist_trigger(int dev, int state); |
370 | |
371 | static int |
372 | waveartist_open(int dev, int mode) |
373 | { |
374 | wavnc_info *devc; |
375 | wavnc_port_info *portc; |
376 | unsigned long flags; |
377 | |
378 | if (dev < 0 || dev >= num_audiodevs) |
379 | return -ENXIO; |
380 | |
381 | devc = (wavnc_info *) audio_devs[dev]->devc; |
382 | portc = (wavnc_port_info *) audio_devs[dev]->portc; |
383 | |
384 | spin_lock_irqsave(&waveartist_lock, flags); |
385 | if (portc->open_mode || (devc->open_mode & mode)) { |
386 | spin_unlock_irqrestore(&waveartist_lock, flags); |
387 | return -EBUSY; |
388 | } |
389 | |
390 | devc->audio_mode = 0; |
391 | devc->open_mode |= mode; |
392 | portc->open_mode = mode; |
393 | waveartist_trigger(dev, 0); |
394 | |
395 | if (mode & OPEN_READ) |
396 | devc->record_dev = dev; |
397 | if (mode & OPEN_WRITE) |
398 | devc->playback_dev = dev; |
399 | spin_unlock_irqrestore(&waveartist_lock, flags); |
400 | |
401 | return 0; |
402 | } |
403 | |
404 | static void |
405 | waveartist_close(int dev) |
406 | { |
407 | wavnc_info *devc = (wavnc_info *) audio_devs[dev]->devc; |
408 | wavnc_port_info *portc = (wavnc_port_info *) audio_devs[dev]->portc; |
409 | unsigned long flags; |
410 | |
411 | spin_lock_irqsave(&waveartist_lock, flags); |
412 | |
413 | waveartist_halt(dev); |
414 | |
415 | devc->audio_mode = 0; |
416 | devc->open_mode &= ~portc->open_mode; |
417 | portc->open_mode = 0; |
418 | |
419 | spin_unlock_irqrestore(&waveartist_lock, flags); |
420 | } |
421 | |
422 | static void |
423 | waveartist_output_block(int dev, unsigned long buf, int __count, int intrflag) |
424 | { |
425 | wavnc_port_info *portc = (wavnc_port_info *) audio_devs[dev]->portc; |
426 | wavnc_info *devc = (wavnc_info *) audio_devs[dev]->devc; |
427 | unsigned long flags; |
428 | unsigned int count = __count; |
429 | |
430 | if (debug_flg & DEBUG_OUT) |
431 | printk("waveartist: output block, buf=0x%lx, count=0x%x...\n", |
432 | buf, count); |
433 | /* |
434 | * 16 bit data |
435 | */ |
436 | if (portc->audio_format & (AFMT_S16_LE | AFMT_S16_BE)) |
437 | count >>= 1; |
438 | |
439 | if (portc->channels > 1) |
440 | count >>= 1; |
441 | |
442 | count -= 1; |
443 | |
444 | if (devc->audio_mode & PCM_ENABLE_OUTPUT && |
445 | audio_devs[dev]->flags & DMA_AUTOMODE && |
446 | intrflag && |
447 | count == devc->xfer_count) { |
448 | devc->audio_mode |= PCM_ENABLE_OUTPUT; |
449 | return; /* |
450 | * Auto DMA mode on. No need to react |
451 | */ |
452 | } |
453 | |
454 | spin_lock_irqsave(&waveartist_lock, flags); |
455 | |
456 | /* |
457 | * set sample count |
458 | */ |
459 | waveartist_cmd2(devc, WACMD_OUTPUTSIZE, count); |
460 | |
461 | devc->xfer_count = count; |
462 | devc->audio_mode |= PCM_ENABLE_OUTPUT; |
463 | |
464 | spin_unlock_irqrestore(&waveartist_lock, flags); |
465 | } |
466 | |
467 | static void |
468 | waveartist_start_input(int dev, unsigned long buf, int __count, int intrflag) |
469 | { |
470 | wavnc_port_info *portc = (wavnc_port_info *) audio_devs[dev]->portc; |
471 | wavnc_info *devc = (wavnc_info *) audio_devs[dev]->devc; |
472 | unsigned long flags; |
473 | unsigned int count = __count; |
474 | |
475 | if (debug_flg & DEBUG_IN) |
476 | printk("waveartist: start input, buf=0x%lx, count=0x%x...\n", |
477 | buf, count); |
478 | |
479 | if (portc->audio_format & (AFMT_S16_LE | AFMT_S16_BE)) /* 16 bit data */ |
480 | count >>= 1; |
481 | |
482 | if (portc->channels > 1) |
483 | count >>= 1; |
484 | |
485 | count -= 1; |
486 | |
487 | if (devc->audio_mode & PCM_ENABLE_INPUT && |
488 | audio_devs[dev]->flags & DMA_AUTOMODE && |
489 | intrflag && |
490 | count == devc->xfer_count) { |
491 | devc->audio_mode |= PCM_ENABLE_INPUT; |
492 | return; /* |
493 | * Auto DMA mode on. No need to react |
494 | */ |
495 | } |
496 | |
497 | spin_lock_irqsave(&waveartist_lock, flags); |
498 | |
499 | /* |
500 | * set sample count |
501 | */ |
502 | waveartist_cmd2(devc, WACMD_INPUTSIZE, count); |
503 | |
504 | devc->xfer_count = count; |
505 | devc->audio_mode |= PCM_ENABLE_INPUT; |
506 | |
507 | spin_unlock_irqrestore(&waveartist_lock, flags); |
508 | } |
509 | |
510 | static int |
511 | waveartist_ioctl(int dev, unsigned int cmd, void __user * arg) |
512 | { |
513 | return -EINVAL; |
514 | } |
515 | |
516 | static unsigned int |
517 | waveartist_get_speed(wavnc_port_info *portc) |
518 | { |
519 | unsigned int speed; |
520 | |
521 | /* |
522 | * program the speed, channels, bits |
523 | */ |
524 | if (portc->speed == 8000) |
525 | speed = 0x2E71; |
526 | else if (portc->speed == 11025) |
527 | speed = 0x4000; |
528 | else if (portc->speed == 22050) |
529 | speed = 0x8000; |
530 | else if (portc->speed == 44100) |
531 | speed = 0x0; |
532 | else { |
533 | /* |
534 | * non-standard - just calculate |
535 | */ |
536 | speed = portc->speed << 16; |
537 | |
538 | speed = (speed / 44100) & 65535; |
539 | } |
540 | |
541 | return speed; |
542 | } |
543 | |
544 | static unsigned int |
545 | waveartist_get_bits(wavnc_port_info *portc) |
546 | { |
547 | unsigned int bits; |
548 | |
549 | if (portc->audio_format == AFMT_S16_LE) |
550 | bits = 1; |
551 | else if (portc->audio_format == AFMT_S8) |
552 | bits = 0; |
553 | else |
554 | bits = 2; //default AFMT_U8 |
555 | |
556 | return bits; |
557 | } |
558 | |
559 | static int |
560 | waveartist_prepare_for_input(int dev, int bsize, int bcount) |
561 | { |
562 | unsigned long flags; |
563 | wavnc_info *devc = (wavnc_info *) audio_devs[dev]->devc; |
564 | wavnc_port_info *portc = (wavnc_port_info *) audio_devs[dev]->portc; |
565 | unsigned int speed, bits; |
566 | |
567 | if (devc->audio_mode) |
568 | return 0; |
569 | |
570 | speed = waveartist_get_speed(portc); |
571 | bits = waveartist_get_bits(portc); |
572 | |
573 | spin_lock_irqsave(&waveartist_lock, flags); |
574 | |
575 | if (waveartist_cmd2(devc, WACMD_INPUTFORMAT, bits)) |
576 | printk(KERN_WARNING "waveartist: error setting the " |
577 | "record format to %d\n", portc->audio_format); |
578 | |
579 | if (waveartist_cmd2(devc, WACMD_INPUTCHANNELS, portc->channels)) |
580 | printk(KERN_WARNING "waveartist: error setting record " |
581 | "to %d channels\n", portc->channels); |
582 | |
583 | /* |
584 | * write cmd SetSampleSpeedTimeConstant |
585 | */ |
586 | if (waveartist_cmd2(devc, WACMD_INPUTSPEED, speed)) |
587 | printk(KERN_WARNING "waveartist: error setting the record " |
588 | "speed to %dHz.\n", portc->speed); |
589 | |
590 | if (waveartist_cmd2(devc, WACMD_INPUTDMA, 1)) |
591 | printk(KERN_WARNING "waveartist: error setting the record " |
592 | "data path to 0x%X\n", 1); |
593 | |
594 | if (waveartist_cmd2(devc, WACMD_INPUTFORMAT, bits)) |
595 | printk(KERN_WARNING "waveartist: error setting the record " |
596 | "format to %d\n", portc->audio_format); |
597 | |
598 | devc->xfer_count = 0; |
599 | spin_unlock_irqrestore(&waveartist_lock, flags); |
600 | waveartist_halt_input(dev); |
601 | |
602 | if (debug_flg & DEBUG_INTR) { |
603 | printk("WA CTLR reg: 0x%02X.\n", |
604 | inb(devc->hw.io_base + CTLR)); |
605 | printk("WA STAT reg: 0x%02X.\n", |
606 | inb(devc->hw.io_base + STATR)); |
607 | printk("WA IRQS reg: 0x%02X.\n", |
608 | inb(devc->hw.io_base + IRQSTAT)); |
609 | } |
610 | |
611 | return 0; |
612 | } |
613 | |
614 | static int |
615 | waveartist_prepare_for_output(int dev, int bsize, int bcount) |
616 | { |
617 | unsigned long flags; |
618 | wavnc_info *devc = (wavnc_info *) audio_devs[dev]->devc; |
619 | wavnc_port_info *portc = (wavnc_port_info *) audio_devs[dev]->portc; |
620 | unsigned int speed, bits; |
621 | |
622 | /* |
623 | * program the speed, channels, bits |
624 | */ |
625 | speed = waveartist_get_speed(portc); |
626 | bits = waveartist_get_bits(portc); |
627 | |
628 | spin_lock_irqsave(&waveartist_lock, flags); |
629 | |
630 | if (waveartist_cmd2(devc, WACMD_OUTPUTSPEED, speed) && |
631 | waveartist_cmd2(devc, WACMD_OUTPUTSPEED, speed)) |
632 | printk(KERN_WARNING "waveartist: error setting the playback " |
633 | "speed to %dHz.\n", portc->speed); |
634 | |
635 | if (waveartist_cmd2(devc, WACMD_OUTPUTCHANNELS, portc->channels)) |
636 | printk(KERN_WARNING "waveartist: error setting the playback " |
637 | "to %d channels\n", portc->channels); |
638 | |
639 | if (waveartist_cmd2(devc, WACMD_OUTPUTDMA, 0)) |
640 | printk(KERN_WARNING "waveartist: error setting the playback " |
641 | "data path to 0x%X\n", 0); |
642 | |
643 | if (waveartist_cmd2(devc, WACMD_OUTPUTFORMAT, bits)) |
644 | printk(KERN_WARNING "waveartist: error setting the playback " |
645 | "format to %d\n", portc->audio_format); |
646 | |
647 | devc->xfer_count = 0; |
648 | spin_unlock_irqrestore(&waveartist_lock, flags); |
649 | waveartist_halt_output(dev); |
650 | |
651 | if (debug_flg & DEBUG_INTR) { |
652 | printk("WA CTLR reg: 0x%02X.\n",inb(devc->hw.io_base + CTLR)); |
653 | printk("WA STAT reg: 0x%02X.\n",inb(devc->hw.io_base + STATR)); |
654 | printk("WA IRQS reg: 0x%02X.\n",inb(devc->hw.io_base + IRQSTAT)); |
655 | } |
656 | |
657 | return 0; |
658 | } |
659 | |
660 | static void |
661 | waveartist_halt(int dev) |
662 | { |
663 | wavnc_port_info *portc = (wavnc_port_info *) audio_devs[dev]->portc; |
664 | wavnc_info *devc; |
665 | |
666 | if (portc->open_mode & OPEN_WRITE) |
667 | waveartist_halt_output(dev); |
668 | |
669 | if (portc->open_mode & OPEN_READ) |
670 | waveartist_halt_input(dev); |
671 | |
672 | devc = (wavnc_info *) audio_devs[dev]->devc; |
673 | devc->audio_mode = 0; |
674 | } |
675 | |
676 | static void |
677 | waveartist_halt_input(int dev) |
678 | { |
679 | wavnc_info *devc = (wavnc_info *) audio_devs[dev]->devc; |
680 | unsigned long flags; |
681 | |
682 | spin_lock_irqsave(&waveartist_lock, flags); |
683 | |
684 | /* |
685 | * Stop capture |
686 | */ |
687 | waveartist_cmd1(devc, WACMD_INPUTSTOP); |
688 | |
689 | devc->audio_mode &= ~PCM_ENABLE_INPUT; |
690 | |
691 | /* |
692 | * Clear interrupt by toggling |
693 | * the IRQ_ACK bit in CTRL |
694 | */ |
695 | if (inb(devc->hw.io_base + STATR) & IRQ_REQ) |
696 | waveartist_iack(devc); |
697 | |
698 | // devc->audio_mode &= ~PCM_ENABLE_INPUT; |
699 | |
700 | spin_unlock_irqrestore(&waveartist_lock, flags); |
701 | } |
702 | |
703 | static void |
704 | waveartist_halt_output(int dev) |
705 | { |
706 | wavnc_info *devc = (wavnc_info *) audio_devs[dev]->devc; |
707 | unsigned long flags; |
708 | |
709 | spin_lock_irqsave(&waveartist_lock, flags); |
710 | |
711 | waveartist_cmd1(devc, WACMD_OUTPUTSTOP); |
712 | |
713 | devc->audio_mode &= ~PCM_ENABLE_OUTPUT; |
714 | |
715 | /* |
716 | * Clear interrupt by toggling |
717 | * the IRQ_ACK bit in CTRL |
718 | */ |
719 | if (inb(devc->hw.io_base + STATR) & IRQ_REQ) |
720 | waveartist_iack(devc); |
721 | |
722 | // devc->audio_mode &= ~PCM_ENABLE_OUTPUT; |
723 | |
724 | spin_unlock_irqrestore(&waveartist_lock, flags); |
725 | } |
726 | |
727 | static void |
728 | waveartist_trigger(int dev, int state) |
729 | { |
730 | wavnc_info *devc = (wavnc_info *) audio_devs[dev]->devc; |
731 | wavnc_port_info *portc = (wavnc_port_info *) audio_devs[dev]->portc; |
732 | unsigned long flags; |
733 | |
734 | if (debug_flg & DEBUG_TRIGGER) { |
735 | printk("wavnc: audio trigger "); |
736 | if (state & PCM_ENABLE_INPUT) |
737 | printk("in "); |
738 | if (state & PCM_ENABLE_OUTPUT) |
739 | printk("out"); |
740 | printk("\n"); |
741 | } |
742 | |
743 | spin_lock_irqsave(&waveartist_lock, flags); |
744 | |
745 | state &= devc->audio_mode; |
746 | |
747 | if (portc->open_mode & OPEN_READ && |
748 | state & PCM_ENABLE_INPUT) |
749 | /* |
750 | * enable ADC Data Transfer to PC |
751 | */ |
752 | waveartist_cmd1(devc, WACMD_INPUTSTART); |
753 | |
754 | if (portc->open_mode & OPEN_WRITE && |
755 | state & PCM_ENABLE_OUTPUT) |
756 | /* |
757 | * enable DAC data transfer from PC |
758 | */ |
759 | waveartist_cmd1(devc, WACMD_OUTPUTSTART); |
760 | |
761 | spin_unlock_irqrestore(&waveartist_lock, flags); |
762 | } |
763 | |
764 | static int |
765 | waveartist_set_speed(int dev, int arg) |
766 | { |
767 | wavnc_port_info *portc = (wavnc_port_info *) audio_devs[dev]->portc; |
768 | |
769 | if (arg <= 0) |
770 | return portc->speed; |
771 | |
772 | if (arg < 5000) |
773 | arg = 5000; |
774 | if (arg > 44100) |
775 | arg = 44100; |
776 | |
777 | portc->speed = arg; |
778 | return portc->speed; |
779 | |
780 | } |
781 | |
782 | static short |
783 | waveartist_set_channels(int dev, short arg) |
784 | { |
785 | wavnc_port_info *portc = (wavnc_port_info *) audio_devs[dev]->portc; |
786 | |
787 | if (arg != 1 && arg != 2) |
788 | return portc->channels; |
789 | |
790 | portc->channels = arg; |
791 | return arg; |
792 | } |
793 | |
794 | static unsigned int |
795 | waveartist_set_bits(int dev, unsigned int arg) |
796 | { |
797 | wavnc_port_info *portc = (wavnc_port_info *) audio_devs[dev]->portc; |
798 | |
799 | if (arg == 0) |
800 | return portc->audio_format; |
801 | |
802 | if ((arg != AFMT_U8) && (arg != AFMT_S16_LE) && (arg != AFMT_S8)) |
803 | arg = AFMT_U8; |
804 | |
805 | portc->audio_format = arg; |
806 | |
807 | return arg; |
808 | } |
809 | |
810 | static struct audio_driver waveartist_audio_driver = { |
811 | .owner = THIS_MODULE, |
812 | .open = waveartist_open, |
813 | .close = waveartist_close, |
814 | .output_block = waveartist_output_block, |
815 | .start_input = waveartist_start_input, |
816 | .ioctl = waveartist_ioctl, |
817 | .prepare_for_input = waveartist_prepare_for_input, |
818 | .prepare_for_output = waveartist_prepare_for_output, |
819 | .halt_io = waveartist_halt, |
820 | .halt_input = waveartist_halt_input, |
821 | .halt_output = waveartist_halt_output, |
822 | .trigger = waveartist_trigger, |
823 | .set_speed = waveartist_set_speed, |
824 | .set_bits = waveartist_set_bits, |
825 | .set_channels = waveartist_set_channels |
826 | }; |
827 | |
828 | |
829 | static irqreturn_t |
830 | waveartist_intr(int irq, void *dev_id) |
831 | { |
832 | wavnc_info *devc = dev_id; |
833 | int irqstatus, status; |
834 | |
835 | spin_lock(&waveartist_lock); |
836 | irqstatus = inb(devc->hw.io_base + IRQSTAT); |
837 | status = inb(devc->hw.io_base + STATR); |
838 | |
839 | if (debug_flg & DEBUG_INTR) |
840 | printk("waveartist_intr: stat=%02x, irqstat=%02x\n", |
841 | status, irqstatus); |
842 | |
843 | if (status & IRQ_REQ) /* Clear interrupt */ |
844 | waveartist_iack(devc); |
845 | else |
846 | printk(KERN_WARNING "waveartist: unexpected interrupt\n"); |
847 | |
848 | if (irqstatus & 0x01) { |
849 | int temp = 1; |
850 | |
851 | /* PCM buffer done |
852 | */ |
853 | if ((status & DMA0) && (devc->audio_mode & PCM_ENABLE_OUTPUT)) { |
854 | DMAbuf_outputintr(devc->playback_dev, 1); |
855 | temp = 0; |
856 | } |
857 | if ((status & DMA1) && (devc->audio_mode & PCM_ENABLE_INPUT)) { |
858 | DMAbuf_inputintr(devc->record_dev); |
859 | temp = 0; |
860 | } |
861 | if (temp) //default: |
862 | printk(KERN_WARNING "waveartist: Unknown interrupt\n"); |
863 | } |
864 | if (irqstatus & 0x2) |
865 | // We do not use SB mode natively... |
866 | printk(KERN_WARNING "waveartist: Unexpected SB interrupt...\n"); |
867 | spin_unlock(&waveartist_lock); |
868 | return IRQ_HANDLED; |
869 | } |
870 | |
871 | /* ------------------------------------------------------------------------- |
872 | * Mixer stuff |
873 | */ |
874 | struct mix_ent { |
875 | unsigned char reg_l; |
876 | unsigned char reg_r; |
877 | unsigned char shift; |
878 | unsigned char max; |
879 | }; |
880 | |
881 | static const struct mix_ent mix_devs[SOUND_MIXER_NRDEVICES] = { |
882 | { 2, 6, 1, 7 }, /* SOUND_MIXER_VOLUME */ |
883 | { 0, 0, 0, 0 }, /* SOUND_MIXER_BASS */ |
884 | { 0, 0, 0, 0 }, /* SOUND_MIXER_TREBLE */ |
885 | { 0, 0, 0, 0 }, /* SOUND_MIXER_SYNTH */ |
886 | { 0, 0, 0, 0 }, /* SOUND_MIXER_PCM */ |
887 | { 0, 0, 0, 0 }, /* SOUND_MIXER_SPEAKER */ |
888 | { 0, 4, 6, 31 }, /* SOUND_MIXER_LINE */ |
889 | { 2, 6, 4, 3 }, /* SOUND_MIXER_MIC */ |
890 | { 0, 0, 0, 0 }, /* SOUND_MIXER_CD */ |
891 | { 0, 0, 0, 0 }, /* SOUND_MIXER_IMIX */ |
892 | { 0, 0, 0, 0 }, /* SOUND_MIXER_ALTPCM */ |
893 | #if 0 |
894 | { 3, 7, 0, 10 }, /* SOUND_MIXER_RECLEV */ |
895 | { 0, 0, 0, 0 }, /* SOUND_MIXER_IGAIN */ |
896 | #else |
897 | { 0, 0, 0, 0 }, /* SOUND_MIXER_RECLEV */ |
898 | { 3, 7, 0, 7 }, /* SOUND_MIXER_IGAIN */ |
899 | #endif |
900 | { 0, 0, 0, 0 }, /* SOUND_MIXER_OGAIN */ |
901 | { 0, 4, 1, 31 }, /* SOUND_MIXER_LINE1 */ |
902 | { 1, 5, 6, 31 }, /* SOUND_MIXER_LINE2 */ |
903 | { 0, 0, 0, 0 }, /* SOUND_MIXER_LINE3 */ |
904 | { 0, 0, 0, 0 }, /* SOUND_MIXER_DIGITAL1 */ |
905 | { 0, 0, 0, 0 }, /* SOUND_MIXER_DIGITAL2 */ |
906 | { 0, 0, 0, 0 }, /* SOUND_MIXER_DIGITAL3 */ |
907 | { 0, 0, 0, 0 }, /* SOUND_MIXER_PHONEIN */ |
908 | { 0, 0, 0, 0 }, /* SOUND_MIXER_PHONEOUT */ |
909 | { 0, 0, 0, 0 }, /* SOUND_MIXER_VIDEO */ |
910 | { 0, 0, 0, 0 }, /* SOUND_MIXER_RADIO */ |
911 | { 0, 0, 0, 0 } /* SOUND_MIXER_MONITOR */ |
912 | }; |
913 | |
914 | static void |
915 | waveartist_mixer_update(wavnc_info *devc, int whichDev) |
916 | { |
917 | unsigned int lev_left, lev_right; |
918 | |
919 | lev_left = devc->levels[whichDev] & 0xff; |
920 | lev_right = devc->levels[whichDev] >> 8; |
921 | |
922 | if (lev_left > 100) |
923 | lev_left = 100; |
924 | if (lev_right > 100) |
925 | lev_right = 100; |
926 | |
927 | #define SCALE(lev,max) ((lev) * (max) / 100) |
928 | |
929 | if (machine_is_netwinder() && whichDev == SOUND_MIXER_PHONEOUT) |
930 | whichDev = SOUND_MIXER_VOLUME; |
931 | |
932 | if (mix_devs[whichDev].reg_l || mix_devs[whichDev].reg_r) { |
933 | const struct mix_ent *mix = mix_devs + whichDev; |
934 | unsigned int mask, left, right; |
935 | |
936 | mask = mix->max << mix->shift; |
937 | lev_left = SCALE(lev_left, mix->max) << mix->shift; |
938 | lev_right = SCALE(lev_right, mix->max) << mix->shift; |
939 | |
940 | /* read left setting */ |
941 | left = waveartist_cmd1_r(devc, WACMD_GET_LEVEL | |
942 | mix->reg_l << 8); |
943 | |
944 | /* read right setting */ |
945 | right = waveartist_cmd1_r(devc, WACMD_GET_LEVEL | |
946 | mix->reg_r << 8); |
947 | |
948 | left = (left & ~mask) | (lev_left & mask); |
949 | right = (right & ~mask) | (lev_right & mask); |
950 | |
951 | /* write left,right back */ |
952 | waveartist_cmd3(devc, WACMD_SET_MIXER, left, right); |
953 | } else { |
954 | switch(whichDev) { |
955 | case SOUND_MIXER_PCM: |
956 | waveartist_cmd3(devc, WACMD_SET_LEVEL, |
957 | SCALE(lev_left, 32767), |
958 | SCALE(lev_right, 32767)); |
959 | break; |
960 | |
961 | case SOUND_MIXER_SYNTH: |
962 | waveartist_cmd3(devc, 0x0100 | WACMD_SET_LEVEL, |
963 | SCALE(lev_left, 32767), |
964 | SCALE(lev_right, 32767)); |
965 | break; |
966 | } |
967 | } |
968 | } |
969 | |
970 | /* |
971 | * Set the ADC MUX to the specified values. We do NOT do any |
972 | * checking of the values passed, since we assume that the |
973 | * relevant *_select_input function has done that for us. |
974 | */ |
975 | static void |
976 | waveartist_set_adc_mux(wavnc_info *devc, char left_dev, char right_dev) |
977 | { |
978 | unsigned int reg_08, reg_09; |
979 | |
980 | reg_08 = waveartist_cmd1_r(devc, WACMD_GET_LEVEL | 0x0800); |
981 | reg_09 = waveartist_cmd1_r(devc, WACMD_GET_LEVEL | 0x0900); |
982 | |
983 | reg_08 = (reg_08 & ~0x3f) | right_dev << 3 | left_dev; |
984 | |
985 | waveartist_cmd3(devc, WACMD_SET_MIXER, reg_08, reg_09); |
986 | } |
987 | |
988 | /* |
989 | * Decode a recording mask into a mixer selection as follows: |
990 | * |
991 | * OSS Source WA Source Actual source |
992 | * SOUND_MASK_IMIX Mixer Mixer output (same as AD1848) |
993 | * SOUND_MASK_LINE Line Line in |
994 | * SOUND_MASK_LINE1 Aux 1 Aux 1 in |
995 | * SOUND_MASK_LINE2 Aux 2 Aux 2 in |
996 | * SOUND_MASK_MIC Mic Microphone |
997 | */ |
998 | static unsigned int |
999 | waveartist_select_input(wavnc_info *devc, unsigned int recmask, |
1000 | unsigned char *dev_l, unsigned char *dev_r) |
1001 | { |
1002 | unsigned int recdev = ADC_MUX_NONE; |
1003 | |
1004 | if (recmask & SOUND_MASK_IMIX) { |
1005 | recmask = SOUND_MASK_IMIX; |
1006 | recdev = ADC_MUX_MIXER; |
1007 | } else if (recmask & SOUND_MASK_LINE2) { |
1008 | recmask = SOUND_MASK_LINE2; |
1009 | recdev = ADC_MUX_AUX2; |
1010 | } else if (recmask & SOUND_MASK_LINE1) { |
1011 | recmask = SOUND_MASK_LINE1; |
1012 | recdev = ADC_MUX_AUX1; |
1013 | } else if (recmask & SOUND_MASK_LINE) { |
1014 | recmask = SOUND_MASK_LINE; |
1015 | recdev = ADC_MUX_LINE; |
1016 | } else if (recmask & SOUND_MASK_MIC) { |
1017 | recmask = SOUND_MASK_MIC; |
1018 | recdev = ADC_MUX_MIC; |
1019 | } |
1020 | |
1021 | *dev_l = *dev_r = recdev; |
1022 | |
1023 | return recmask; |
1024 | } |
1025 | |
1026 | static int |
1027 | waveartist_decode_mixer(wavnc_info *devc, int dev, unsigned char lev_l, |
1028 | unsigned char lev_r) |
1029 | { |
1030 | switch (dev) { |
1031 | case SOUND_MIXER_VOLUME: |
1032 | case SOUND_MIXER_SYNTH: |
1033 | case SOUND_MIXER_PCM: |
1034 | case SOUND_MIXER_LINE: |
1035 | case SOUND_MIXER_MIC: |
1036 | case SOUND_MIXER_IGAIN: |
1037 | case SOUND_MIXER_LINE1: |
1038 | case SOUND_MIXER_LINE2: |
1039 | devc->levels[dev] = lev_l | lev_r << 8; |
1040 | break; |
1041 | |
1042 | case SOUND_MIXER_IMIX: |
1043 | break; |
1044 | |
1045 | default: |
1046 | dev = -EINVAL; |
1047 | break; |
1048 | } |
1049 | |
1050 | return dev; |
1051 | } |
1052 | |
1053 | static int waveartist_get_mixer(wavnc_info *devc, int dev) |
1054 | { |
1055 | return devc->levels[dev]; |
1056 | } |
1057 | |
1058 | static const struct waveartist_mixer_info waveartist_mixer = { |
1059 | .supported_devs = SUPPORTED_MIXER_DEVICES | SOUND_MASK_IGAIN, |
1060 | .recording_devs = SOUND_MASK_LINE | SOUND_MASK_MIC | |
1061 | SOUND_MASK_LINE1 | SOUND_MASK_LINE2 | |
1062 | SOUND_MASK_IMIX, |
1063 | .stereo_devs = (SUPPORTED_MIXER_DEVICES | SOUND_MASK_IGAIN) & ~ |
1064 | (SOUND_MASK_SPEAKER | SOUND_MASK_IMIX), |
1065 | .select_input = waveartist_select_input, |
1066 | .decode_mixer = waveartist_decode_mixer, |
1067 | .get_mixer = waveartist_get_mixer, |
1068 | }; |
1069 | |
1070 | static void |
1071 | waveartist_set_recmask(wavnc_info *devc, unsigned int recmask) |
1072 | { |
1073 | unsigned char dev_l, dev_r; |
1074 | |
1075 | recmask &= devc->mix->recording_devs; |
1076 | |
1077 | /* |
1078 | * If more than one recording device selected, |
1079 | * disable the device that is currently in use. |
1080 | */ |
1081 | if (hweight32(recmask) > 1) |
1082 | recmask &= ~devc->recmask; |
1083 | |
1084 | /* |
1085 | * Translate the recording device mask into |
1086 | * the ADC multiplexer settings. |
1087 | */ |
1088 | devc->recmask = devc->mix->select_input(devc, recmask, |
1089 | &dev_l, &dev_r); |
1090 | |
1091 | waveartist_set_adc_mux(devc, dev_l, dev_r); |
1092 | } |
1093 | |
1094 | static int |
1095 | waveartist_set_mixer(wavnc_info *devc, int dev, unsigned int level) |
1096 | { |
1097 | unsigned int lev_left = level & 0x00ff; |
1098 | unsigned int lev_right = (level & 0xff00) >> 8; |
1099 | |
1100 | if (lev_left > 100) |
1101 | lev_left = 100; |
1102 | if (lev_right > 100) |
1103 | lev_right = 100; |
1104 | |
1105 | /* |
1106 | * Mono devices have their right volume forced to their |
1107 | * left volume. (from ALSA driver OSS emulation). |
1108 | */ |
1109 | if (!(devc->mix->stereo_devs & (1 << dev))) |
1110 | lev_right = lev_left; |
1111 | |
1112 | dev = devc->mix->decode_mixer(devc, dev, lev_left, lev_right); |
1113 | |
1114 | if (dev >= 0) |
1115 | waveartist_mixer_update(devc, dev); |
1116 | |
1117 | return dev < 0 ? dev : 0; |
1118 | } |
1119 | |
1120 | static int |
1121 | waveartist_mixer_ioctl(int dev, unsigned int cmd, void __user * arg) |
1122 | { |
1123 | wavnc_info *devc = (wavnc_info *)audio_devs[dev]->devc; |
1124 | int ret = 0, val, nr; |
1125 | |
1126 | /* |
1127 | * All SOUND_MIXER_* ioctls use type 'M' |
1128 | */ |
1129 | if (((cmd >> 8) & 255) != 'M') |
1130 | return -ENOIOCTLCMD; |
1131 | |
1132 | #ifdef CONFIG_ARCH_NETWINDER |
1133 | if (machine_is_netwinder()) { |
1134 | ret = vnc_private_ioctl(dev, cmd, arg); |
1135 | if (ret != -ENOIOCTLCMD) |
1136 | return ret; |
1137 | else |
1138 | ret = 0; |
1139 | } |
1140 | #endif |
1141 | |
1142 | nr = cmd & 0xff; |
1143 | |
1144 | if (_SIOC_DIR(cmd) & _SIOC_WRITE) { |
1145 | if (get_user(val, (int __user *)arg)) |
1146 | return -EFAULT; |
1147 | |
1148 | switch (nr) { |
1149 | case SOUND_MIXER_RECSRC: |
1150 | waveartist_set_recmask(devc, val); |
1151 | break; |
1152 | |
1153 | default: |
1154 | ret = -EINVAL; |
1155 | if (nr < SOUND_MIXER_NRDEVICES && |
1156 | devc->mix->supported_devs & (1 << nr)) |
1157 | ret = waveartist_set_mixer(devc, nr, val); |
1158 | } |
1159 | } |
1160 | |
1161 | if (ret == 0 && _SIOC_DIR(cmd) & _SIOC_READ) { |
1162 | ret = -EINVAL; |
1163 | |
1164 | switch (nr) { |
1165 | case SOUND_MIXER_RECSRC: |
1166 | ret = devc->recmask; |
1167 | break; |
1168 | |
1169 | case SOUND_MIXER_DEVMASK: |
1170 | ret = devc->mix->supported_devs; |
1171 | break; |
1172 | |
1173 | case SOUND_MIXER_STEREODEVS: |
1174 | ret = devc->mix->stereo_devs; |
1175 | break; |
1176 | |
1177 | case SOUND_MIXER_RECMASK: |
1178 | ret = devc->mix->recording_devs; |
1179 | break; |
1180 | |
1181 | case SOUND_MIXER_CAPS: |
1182 | ret = SOUND_CAP_EXCL_INPUT; |
1183 | break; |
1184 | |
1185 | default: |
1186 | if (nr < SOUND_MIXER_NRDEVICES) |
1187 | ret = devc->mix->get_mixer(devc, nr); |
1188 | break; |
1189 | } |
1190 | |
1191 | if (ret >= 0) |
1192 | ret = put_user(ret, (int __user *)arg) ? -EFAULT : 0; |
1193 | } |
1194 | |
1195 | return ret; |
1196 | } |
1197 | |
1198 | static struct mixer_operations waveartist_mixer_operations = |
1199 | { |
1200 | .owner = THIS_MODULE, |
1201 | .id = "WaveArtist", |
1202 | .name = "WaveArtist", |
1203 | .ioctl = waveartist_mixer_ioctl |
1204 | }; |
1205 | |
1206 | static void |
1207 | waveartist_mixer_reset(wavnc_info *devc) |
1208 | { |
1209 | int i; |
1210 | |
1211 | if (debug_flg & DEBUG_MIXER) |
1212 | printk("%s: mixer_reset\n", devc->hw.name); |
1213 | |
1214 | /* |
1215 | * reset mixer cmd |
1216 | */ |
1217 | waveartist_cmd1(devc, WACMD_RST_MIXER); |
1218 | |
1219 | /* |
1220 | * set input for ADC to come from 'quiet' |
1221 | * turn on default modes |
1222 | */ |
1223 | waveartist_cmd3(devc, WACMD_SET_MIXER, 0x9800, 0xa836); |
1224 | |
1225 | /* |
1226 | * set mixer input select to none, RX filter gains 0 dB |
1227 | */ |
1228 | waveartist_cmd3(devc, WACMD_SET_MIXER, 0x4c00, 0x8c00); |
1229 | |
1230 | /* |
1231 | * set bit 0 reg 2 to 1 - unmute MonoOut |
1232 | */ |
1233 | waveartist_cmd3(devc, WACMD_SET_MIXER, 0x2801, 0x6800); |
1234 | |
1235 | /* set default input device = internal mic |
1236 | * current recording device = none |
1237 | */ |
1238 | waveartist_set_recmask(devc, 0); |
1239 | |
1240 | for (i = 0; i < SOUND_MIXER_NRDEVICES; i++) |
1241 | waveartist_mixer_update(devc, i); |
1242 | } |
1243 | |
1244 | static int __init waveartist_init(wavnc_info *devc) |
1245 | { |
1246 | wavnc_port_info *portc; |
1247 | char rev[3], dev_name[64]; |
1248 | int my_dev; |
1249 | |
1250 | if (waveartist_reset(devc)) |
1251 | return -ENODEV; |
1252 | |
1253 | sprintf(dev_name, "%s (%s", devc->hw.name, devc->chip_name); |
1254 | |
1255 | if (waveartist_getrev(devc, rev)) { |
1256 | strcat(dev_name, " rev. "); |
1257 | strcat(dev_name, rev); |
1258 | } |
1259 | strcat(dev_name, ")"); |
1260 | |
1261 | conf_printf2(dev_name, devc->hw.io_base, devc->hw.irq, |
1262 | devc->hw.dma, devc->hw.dma2); |
1263 | |
1264 | portc = kzalloc(sizeof(wavnc_port_info), GFP_KERNEL); |
1265 | if (portc == NULL) |
1266 | goto nomem; |
1267 | |
1268 | my_dev = sound_install_audiodrv(AUDIO_DRIVER_VERSION, dev_name, |
1269 | &waveartist_audio_driver, sizeof(struct audio_driver), |
1270 | devc->audio_flags, AFMT_U8 | AFMT_S16_LE | AFMT_S8, |
1271 | devc, devc->hw.dma, devc->hw.dma2); |
1272 | |
1273 | if (my_dev < 0) |
1274 | goto free; |
1275 | |
1276 | audio_devs[my_dev]->portc = portc; |
1277 | |
1278 | waveartist_mixer_reset(devc); |
1279 | |
1280 | /* |
1281 | * clear any pending interrupt |
1282 | */ |
1283 | waveartist_iack(devc); |
1284 | |
1285 | if (request_irq(devc->hw.irq, waveartist_intr, 0, devc->hw.name, devc) < 0) { |
1286 | printk(KERN_ERR "%s: IRQ %d in use\n", |
1287 | devc->hw.name, devc->hw.irq); |
1288 | goto uninstall; |
1289 | } |
1290 | |
1291 | if (sound_alloc_dma(devc->hw.dma, devc->hw.name)) { |
1292 | printk(KERN_ERR "%s: Can't allocate DMA%d\n", |
1293 | devc->hw.name, devc->hw.dma); |
1294 | goto uninstall_irq; |
1295 | } |
1296 | |
1297 | if (devc->hw.dma != devc->hw.dma2 && devc->hw.dma2 != NO_DMA) |
1298 | if (sound_alloc_dma(devc->hw.dma2, devc->hw.name)) { |
1299 | printk(KERN_ERR "%s: can't allocate DMA%d\n", |
1300 | devc->hw.name, devc->hw.dma2); |
1301 | goto uninstall_dma; |
1302 | } |
1303 | |
1304 | waveartist_set_ctlr(&devc->hw, 0, DMA1_IE | DMA0_IE); |
1305 | |
1306 | audio_devs[my_dev]->mixer_dev = |
1307 | sound_install_mixer(MIXER_DRIVER_VERSION, |
1308 | dev_name, |
1309 | &waveartist_mixer_operations, |
1310 | sizeof(struct mixer_operations), |
1311 | devc); |
1312 | |
1313 | return my_dev; |
1314 | |
1315 | uninstall_dma: |
1316 | sound_free_dma(devc->hw.dma); |
1317 | |
1318 | uninstall_irq: |
1319 | free_irq(devc->hw.irq, devc); |
1320 | |
1321 | uninstall: |
1322 | sound_unload_audiodev(my_dev); |
1323 | |
1324 | free: |
1325 | kfree(portc); |
1326 | |
1327 | nomem: |
1328 | return -1; |
1329 | } |
1330 | |
1331 | static int __init probe_waveartist(struct address_info *hw_config) |
1332 | { |
1333 | wavnc_info *devc = &adev_info[nr_waveartist_devs]; |
1334 | |
1335 | if (nr_waveartist_devs >= MAX_AUDIO_DEV) { |
1336 | printk(KERN_WARNING "waveartist: too many audio devices\n"); |
1337 | return 0; |
1338 | } |
1339 | |
1340 | if (!request_region(hw_config->io_base, 15, hw_config->name)) { |
1341 | printk(KERN_WARNING "WaveArtist: I/O port conflict\n"); |
1342 | return 0; |
1343 | } |
1344 | |
1345 | if (hw_config->irq > 15 || hw_config->irq < 0) { |
1346 | release_region(hw_config->io_base, 15); |
1347 | printk(KERN_WARNING "WaveArtist: Bad IRQ %d\n", |
1348 | hw_config->irq); |
1349 | return 0; |
1350 | } |
1351 | |
1352 | if (hw_config->dma != 3) { |
1353 | release_region(hw_config->io_base, 15); |
1354 | printk(KERN_WARNING "WaveArtist: Bad DMA %d\n", |
1355 | hw_config->dma); |
1356 | return 0; |
1357 | } |
1358 | |
1359 | hw_config->name = "WaveArtist"; |
1360 | devc->hw = *hw_config; |
1361 | devc->open_mode = 0; |
1362 | devc->chip_name = "RWA-010"; |
1363 | |
1364 | return 1; |
1365 | } |
1366 | |
1367 | static void __init |
1368 | attach_waveartist(struct address_info *hw, const struct waveartist_mixer_info *mix) |
1369 | { |
1370 | wavnc_info *devc = &adev_info[nr_waveartist_devs]; |
1371 | |
1372 | /* |
1373 | * NOTE! If irq < 0, there is another driver which has allocated the |
1374 | * IRQ so that this driver doesn't need to allocate/deallocate it. |
1375 | * The actually used IRQ is ABS(irq). |
1376 | */ |
1377 | devc->hw = *hw; |
1378 | devc->hw.irq = (hw->irq > 0) ? hw->irq : 0; |
1379 | devc->open_mode = 0; |
1380 | devc->playback_dev = 0; |
1381 | devc->record_dev = 0; |
1382 | devc->audio_flags = DMA_AUTOMODE; |
1383 | devc->levels = levels; |
1384 | |
1385 | if (hw->dma != hw->dma2 && hw->dma2 != NO_DMA) |
1386 | devc->audio_flags |= DMA_DUPLEX; |
1387 | |
1388 | devc->mix = mix; |
1389 | devc->dev_no = waveartist_init(devc); |
1390 | |
1391 | if (devc->dev_no < 0) |
1392 | release_region(hw->io_base, 15); |
1393 | else { |
1394 | #ifdef CONFIG_ARCH_NETWINDER |
1395 | if (machine_is_netwinder()) { |
1396 | init_timer(&vnc_timer); |
1397 | vnc_timer.function = vnc_slider_tick; |
1398 | vnc_timer.expires = jiffies; |
1399 | vnc_timer.data = nr_waveartist_devs; |
1400 | add_timer(&vnc_timer); |
1401 | |
1402 | vnc_configure_mixer(devc, 0); |
1403 | |
1404 | devc->no_autoselect = 1; |
1405 | } |
1406 | #endif |
1407 | nr_waveartist_devs += 1; |
1408 | } |
1409 | } |
1410 | |
1411 | static void __exit unload_waveartist(struct address_info *hw) |
1412 | { |
1413 | wavnc_info *devc = NULL; |
1414 | int i; |
1415 | |
1416 | for (i = 0; i < nr_waveartist_devs; i++) |
1417 | if (hw->io_base == adev_info[i].hw.io_base) { |
1418 | devc = adev_info + i; |
1419 | break; |
1420 | } |
1421 | |
1422 | if (devc != NULL) { |
1423 | int mixer; |
1424 | |
1425 | #ifdef CONFIG_ARCH_NETWINDER |
1426 | if (machine_is_netwinder()) |
1427 | del_timer(&vnc_timer); |
1428 | #endif |
1429 | |
1430 | release_region(devc->hw.io_base, 15); |
1431 | |
1432 | waveartist_set_ctlr(&devc->hw, DMA1_IE|DMA0_IE, 0); |
1433 | |
1434 | if (devc->hw.irq >= 0) |
1435 | free_irq(devc->hw.irq, devc); |
1436 | |
1437 | sound_free_dma(devc->hw.dma); |
1438 | |
1439 | if (devc->hw.dma != devc->hw.dma2 && |
1440 | devc->hw.dma2 != NO_DMA) |
1441 | sound_free_dma(devc->hw.dma2); |
1442 | |
1443 | mixer = audio_devs[devc->dev_no]->mixer_dev; |
1444 | |
1445 | if (mixer >= 0) |
1446 | sound_unload_mixerdev(mixer); |
1447 | |
1448 | if (devc->dev_no >= 0) |
1449 | sound_unload_audiodev(devc->dev_no); |
1450 | |
1451 | nr_waveartist_devs -= 1; |
1452 | |
1453 | for (; i < nr_waveartist_devs; i++) |
1454 | adev_info[i] = adev_info[i + 1]; |
1455 | } else |
1456 | printk(KERN_WARNING "waveartist: can't find device " |
1457 | "to unload\n"); |
1458 | } |
1459 | |
1460 | #ifdef CONFIG_ARCH_NETWINDER |
1461 | |
1462 | /* |
1463 | * Rebel.com Netwinder specifics... |
1464 | */ |
1465 | |
1466 | #include <asm/hardware/dec21285.h> |
1467 | |
1468 | #define VNC_TIMER_PERIOD (HZ/4) //check slider 4 times/sec |
1469 | |
1470 | #define MIXER_PRIVATE3_RESET 0x53570000 |
1471 | #define MIXER_PRIVATE3_READ 0x53570001 |
1472 | #define MIXER_PRIVATE3_WRITE 0x53570002 |
1473 | |
1474 | #define VNC_MUTE_INTERNAL_SPKR 0x01 //the sw mute on/off control bit |
1475 | #define VNC_MUTE_LINE_OUT 0x10 |
1476 | #define VNC_PHONE_DETECT 0x20 |
1477 | #define VNC_HANDSET_DETECT 0x40 |
1478 | #define VNC_DISABLE_AUTOSWITCH 0x80 |
1479 | |
1480 | static inline void |
1481 | vnc_mute_spkr(wavnc_info *devc) |
1482 | { |
1483 | unsigned long flags; |
1484 | |
1485 | raw_spin_lock_irqsave(&nw_gpio_lock, flags); |
1486 | nw_cpld_modify(CPLD_UNMUTE, devc->spkr_mute_state ? 0 : CPLD_UNMUTE); |
1487 | raw_spin_unlock_irqrestore(&nw_gpio_lock, flags); |
1488 | } |
1489 | |
1490 | static void |
1491 | vnc_mute_lout(wavnc_info *devc) |
1492 | { |
1493 | unsigned int left, right; |
1494 | |
1495 | left = waveartist_cmd1_r(devc, WACMD_GET_LEVEL); |
1496 | right = waveartist_cmd1_r(devc, WACMD_GET_LEVEL | 0x400); |
1497 | |
1498 | if (devc->line_mute_state) { |
1499 | left &= ~1; |
1500 | right &= ~1; |
1501 | } else { |
1502 | left |= 1; |
1503 | right |= 1; |
1504 | } |
1505 | waveartist_cmd3(devc, WACMD_SET_MIXER, left, right); |
1506 | |
1507 | } |
1508 | |
1509 | static int |
1510 | vnc_volume_slider(wavnc_info *devc) |
1511 | { |
1512 | static signed int old_slider_volume; |
1513 | unsigned long flags; |
1514 | signed int volume = 255; |
1515 | |
1516 | *CSR_TIMER1_LOAD = 0x00ffffff; |
1517 | |
1518 | spin_lock_irqsave(&waveartist_lock, flags); |
1519 | |
1520 | outb(0xFF, 0x201); |
1521 | *CSR_TIMER1_CNTL = TIMER_CNTL_ENABLE | TIMER_CNTL_DIV1; |
1522 | |
1523 | while (volume && (inb(0x201) & 0x01)) |
1524 | volume--; |
1525 | |
1526 | *CSR_TIMER1_CNTL = 0; |
1527 | |
1528 | spin_unlock_irqrestore(&waveartist_lock,flags); |
1529 | |
1530 | volume = 0x00ffffff - *CSR_TIMER1_VALUE; |
1531 | |
1532 | |
1533 | #ifndef REVERSE |
1534 | volume = 150 - (volume >> 5); |
1535 | #else |
1536 | volume = (volume >> 6) - 25; |
1537 | #endif |
1538 | |
1539 | if (volume < 0) |
1540 | volume = 0; |
1541 | |
1542 | if (volume > 100) |
1543 | volume = 100; |
1544 | |
1545 | /* |
1546 | * slider quite often reads +-8, so debounce this random noise |
1547 | */ |
1548 | if (abs(volume - old_slider_volume) > 7) { |
1549 | old_slider_volume = volume; |
1550 | |
1551 | if (debug_flg & DEBUG_MIXER) |
1552 | printk(KERN_DEBUG "Slider volume: %d.\n", volume); |
1553 | } |
1554 | |
1555 | return old_slider_volume; |
1556 | } |
1557 | |
1558 | /* |
1559 | * Decode a recording mask into a mixer selection on the NetWinder |
1560 | * as follows: |
1561 | * |
1562 | * OSS Source WA Source Actual source |
1563 | * SOUND_MASK_IMIX Mixer Mixer output (same as AD1848) |
1564 | * SOUND_MASK_LINE Line Line in |
1565 | * SOUND_MASK_LINE1 Left Mic Handset |
1566 | * SOUND_MASK_PHONEIN Left Aux Telephone microphone |
1567 | * SOUND_MASK_MIC Right Mic Builtin microphone |
1568 | */ |
1569 | static unsigned int |
1570 | netwinder_select_input(wavnc_info *devc, unsigned int recmask, |
1571 | unsigned char *dev_l, unsigned char *dev_r) |
1572 | { |
1573 | unsigned int recdev_l = ADC_MUX_NONE, recdev_r = ADC_MUX_NONE; |
1574 | |
1575 | if (recmask & SOUND_MASK_IMIX) { |
1576 | recmask = SOUND_MASK_IMIX; |
1577 | recdev_l = ADC_MUX_MIXER; |
1578 | recdev_r = ADC_MUX_MIXER; |
1579 | } else if (recmask & SOUND_MASK_LINE) { |
1580 | recmask = SOUND_MASK_LINE; |
1581 | recdev_l = ADC_MUX_LINE; |
1582 | recdev_r = ADC_MUX_LINE; |
1583 | } else if (recmask & SOUND_MASK_LINE1) { |
1584 | recmask = SOUND_MASK_LINE1; |
1585 | waveartist_cmd1(devc, WACMD_SET_MONO); /* left */ |
1586 | recdev_l = ADC_MUX_MIC; |
1587 | recdev_r = ADC_MUX_NONE; |
1588 | } else if (recmask & SOUND_MASK_PHONEIN) { |
1589 | recmask = SOUND_MASK_PHONEIN; |
1590 | waveartist_cmd1(devc, WACMD_SET_MONO); /* left */ |
1591 | recdev_l = ADC_MUX_AUX1; |
1592 | recdev_r = ADC_MUX_NONE; |
1593 | } else if (recmask & SOUND_MASK_MIC) { |
1594 | recmask = SOUND_MASK_MIC; |
1595 | waveartist_cmd1(devc, WACMD_SET_MONO | 0x100); /* right */ |
1596 | recdev_l = ADC_MUX_NONE; |
1597 | recdev_r = ADC_MUX_MIC; |
1598 | } |
1599 | |
1600 | *dev_l = recdev_l; |
1601 | *dev_r = recdev_r; |
1602 | |
1603 | return recmask; |
1604 | } |
1605 | |
1606 | static int |
1607 | netwinder_decode_mixer(wavnc_info *devc, int dev, unsigned char lev_l, |
1608 | unsigned char lev_r) |
1609 | { |
1610 | switch (dev) { |
1611 | case SOUND_MIXER_VOLUME: |
1612 | case SOUND_MIXER_SYNTH: |
1613 | case SOUND_MIXER_PCM: |
1614 | case SOUND_MIXER_LINE: |
1615 | case SOUND_MIXER_IGAIN: |
1616 | devc->levels[dev] = lev_l | lev_r << 8; |
1617 | break; |
1618 | |
1619 | case SOUND_MIXER_MIC: /* right mic only */ |
1620 | devc->levels[SOUND_MIXER_MIC] &= 0xff; |
1621 | devc->levels[SOUND_MIXER_MIC] |= lev_l << 8; |
1622 | break; |
1623 | |
1624 | case SOUND_MIXER_LINE1: /* left mic only */ |
1625 | devc->levels[SOUND_MIXER_MIC] &= 0xff00; |
1626 | devc->levels[SOUND_MIXER_MIC] |= lev_l; |
1627 | dev = SOUND_MIXER_MIC; |
1628 | break; |
1629 | |
1630 | case SOUND_MIXER_PHONEIN: /* left aux only */ |
1631 | devc->levels[SOUND_MIXER_LINE1] = lev_l; |
1632 | dev = SOUND_MIXER_LINE1; |
1633 | break; |
1634 | |
1635 | case SOUND_MIXER_IMIX: |
1636 | case SOUND_MIXER_PHONEOUT: |
1637 | break; |
1638 | |
1639 | default: |
1640 | dev = -EINVAL; |
1641 | break; |
1642 | } |
1643 | return dev; |
1644 | } |
1645 | |
1646 | static int netwinder_get_mixer(wavnc_info *devc, int dev) |
1647 | { |
1648 | int levels; |
1649 | |
1650 | switch (dev) { |
1651 | case SOUND_MIXER_VOLUME: |
1652 | case SOUND_MIXER_SYNTH: |
1653 | case SOUND_MIXER_PCM: |
1654 | case SOUND_MIXER_LINE: |
1655 | case SOUND_MIXER_IGAIN: |
1656 | levels = devc->levels[dev]; |
1657 | break; |
1658 | |
1659 | case SOUND_MIXER_MIC: /* builtin mic: right mic only */ |
1660 | levels = devc->levels[SOUND_MIXER_MIC] >> 8; |
1661 | levels |= levels << 8; |
1662 | break; |
1663 | |
1664 | case SOUND_MIXER_LINE1: /* handset mic: left mic only */ |
1665 | levels = devc->levels[SOUND_MIXER_MIC] & 0xff; |
1666 | levels |= levels << 8; |
1667 | break; |
1668 | |
1669 | case SOUND_MIXER_PHONEIN: /* phone mic: left aux1 only */ |
1670 | levels = devc->levels[SOUND_MIXER_LINE1] & 0xff; |
1671 | levels |= levels << 8; |
1672 | break; |
1673 | |
1674 | default: |
1675 | levels = 0; |
1676 | } |
1677 | |
1678 | return levels; |
1679 | } |
1680 | |
1681 | /* |
1682 | * Waveartist specific mixer information. |
1683 | */ |
1684 | static const struct waveartist_mixer_info netwinder_mixer = { |
1685 | .supported_devs = SOUND_MASK_VOLUME | SOUND_MASK_SYNTH | |
1686 | SOUND_MASK_PCM | SOUND_MASK_SPEAKER | |
1687 | SOUND_MASK_LINE | SOUND_MASK_MIC | |
1688 | SOUND_MASK_IMIX | SOUND_MASK_LINE1 | |
1689 | SOUND_MASK_PHONEIN | SOUND_MASK_PHONEOUT| |
1690 | SOUND_MASK_IGAIN, |
1691 | |
1692 | .recording_devs = SOUND_MASK_LINE | SOUND_MASK_MIC | |
1693 | SOUND_MASK_IMIX | SOUND_MASK_LINE1 | |
1694 | SOUND_MASK_PHONEIN, |
1695 | |
1696 | .stereo_devs = SOUND_MASK_VOLUME | SOUND_MASK_SYNTH | |
1697 | SOUND_MASK_PCM | SOUND_MASK_LINE | |
1698 | SOUND_MASK_IMIX | SOUND_MASK_IGAIN, |
1699 | |
1700 | .select_input = netwinder_select_input, |
1701 | .decode_mixer = netwinder_decode_mixer, |
1702 | .get_mixer = netwinder_get_mixer, |
1703 | }; |
1704 | |
1705 | static void |
1706 | vnc_configure_mixer(wavnc_info *devc, unsigned int recmask) |
1707 | { |
1708 | if (!devc->no_autoselect) { |
1709 | if (devc->handset_detect) { |
1710 | recmask = SOUND_MASK_LINE1; |
1711 | devc->spkr_mute_state = devc->line_mute_state = 1; |
1712 | } else if (devc->telephone_detect) { |
1713 | recmask = SOUND_MASK_PHONEIN; |
1714 | devc->spkr_mute_state = devc->line_mute_state = 1; |
1715 | } else { |
1716 | /* unless someone has asked for LINE-IN, |
1717 | * we default to MIC |
1718 | */ |
1719 | if ((devc->recmask & SOUND_MASK_LINE) == 0) |
1720 | devc->recmask = SOUND_MASK_MIC; |
1721 | devc->spkr_mute_state = devc->line_mute_state = 0; |
1722 | } |
1723 | vnc_mute_spkr(devc); |
1724 | vnc_mute_lout(devc); |
1725 | |
1726 | if (recmask != devc->recmask) |
1727 | waveartist_set_recmask(devc, recmask); |
1728 | } |
1729 | } |
1730 | |
1731 | static int |
1732 | vnc_slider(wavnc_info *devc) |
1733 | { |
1734 | signed int slider_volume; |
1735 | unsigned int temp, old_hs, old_td; |
1736 | |
1737 | /* |
1738 | * read the "buttons" state. |
1739 | * Bit 4 = 0 means handset present |
1740 | * Bit 5 = 1 means phone offhook |
1741 | */ |
1742 | temp = inb(0x201); |
1743 | |
1744 | old_hs = devc->handset_detect; |
1745 | old_td = devc->telephone_detect; |
1746 | |
1747 | devc->handset_detect = !(temp & 0x10); |
1748 | devc->telephone_detect = !!(temp & 0x20); |
1749 | |
1750 | if (!devc->no_autoselect && |
1751 | (old_hs != devc->handset_detect || |
1752 | old_td != devc->telephone_detect)) |
1753 | vnc_configure_mixer(devc, devc->recmask); |
1754 | |
1755 | slider_volume = vnc_volume_slider(devc); |
1756 | |
1757 | /* |
1758 | * If we're using software controlled volume, and |
1759 | * the slider moves by more than 20%, then we |
1760 | * switch back to slider controlled volume. |
1761 | */ |
1762 | if (abs(devc->slider_vol - slider_volume) > 20) |
1763 | devc->use_slider = 1; |
1764 | |
1765 | /* |
1766 | * use only left channel |
1767 | */ |
1768 | temp = levels[SOUND_MIXER_VOLUME] & 0xFF; |
1769 | |
1770 | if (slider_volume != temp && devc->use_slider) { |
1771 | devc->slider_vol = slider_volume; |
1772 | |
1773 | waveartist_set_mixer(devc, SOUND_MIXER_VOLUME, |
1774 | slider_volume | slider_volume << 8); |
1775 | |
1776 | return 1; |
1777 | } |
1778 | |
1779 | return 0; |
1780 | } |
1781 | |
1782 | static void |
1783 | vnc_slider_tick(unsigned long data) |
1784 | { |
1785 | int next_timeout; |
1786 | |
1787 | if (vnc_slider(adev_info + data)) |
1788 | next_timeout = 5; // mixer reported change |
1789 | else |
1790 | next_timeout = VNC_TIMER_PERIOD; |
1791 | |
1792 | mod_timer(&vnc_timer, jiffies + next_timeout); |
1793 | } |
1794 | |
1795 | static int |
1796 | vnc_private_ioctl(int dev, unsigned int cmd, int __user * arg) |
1797 | { |
1798 | wavnc_info *devc = (wavnc_info *)audio_devs[dev]->devc; |
1799 | int val; |
1800 | |
1801 | switch (cmd) { |
1802 | case SOUND_MIXER_PRIVATE1: |
1803 | { |
1804 | u_int prev_spkr_mute, prev_line_mute, prev_auto_state; |
1805 | int val; |
1806 | |
1807 | if (get_user(val, arg)) |
1808 | return -EFAULT; |
1809 | |
1810 | /* check if parameter is logical */ |
1811 | if (val & ~(VNC_MUTE_INTERNAL_SPKR | |
1812 | VNC_MUTE_LINE_OUT | |
1813 | VNC_DISABLE_AUTOSWITCH)) |
1814 | return -EINVAL; |
1815 | |
1816 | prev_auto_state = devc->no_autoselect; |
1817 | prev_spkr_mute = devc->spkr_mute_state; |
1818 | prev_line_mute = devc->line_mute_state; |
1819 | |
1820 | devc->no_autoselect = (val & VNC_DISABLE_AUTOSWITCH) ? 1 : 0; |
1821 | devc->spkr_mute_state = (val & VNC_MUTE_INTERNAL_SPKR) ? 1 : 0; |
1822 | devc->line_mute_state = (val & VNC_MUTE_LINE_OUT) ? 1 : 0; |
1823 | |
1824 | if (prev_spkr_mute != devc->spkr_mute_state) |
1825 | vnc_mute_spkr(devc); |
1826 | |
1827 | if (prev_line_mute != devc->line_mute_state) |
1828 | vnc_mute_lout(devc); |
1829 | |
1830 | if (prev_auto_state != devc->no_autoselect) |
1831 | vnc_configure_mixer(devc, devc->recmask); |
1832 | |
1833 | return 0; |
1834 | } |
1835 | |
1836 | case SOUND_MIXER_PRIVATE2: |
1837 | if (get_user(val, arg)) |
1838 | return -EFAULT; |
1839 | |
1840 | switch (val) { |
1841 | #define VNC_SOUND_PAUSE 0x53 //to pause the DSP |
1842 | #define VNC_SOUND_RESUME 0x57 //to unpause the DSP |
1843 | case VNC_SOUND_PAUSE: |
1844 | waveartist_cmd1(devc, 0x16); |
1845 | break; |
1846 | |
1847 | case VNC_SOUND_RESUME: |
1848 | waveartist_cmd1(devc, 0x18); |
1849 | break; |
1850 | |
1851 | default: |
1852 | return -EINVAL; |
1853 | } |
1854 | return 0; |
1855 | |
1856 | /* private ioctl to allow bulk access to waveartist */ |
1857 | case SOUND_MIXER_PRIVATE3: |
1858 | { |
1859 | unsigned long flags; |
1860 | int mixer_reg[15], i, val; |
1861 | |
1862 | if (get_user(val, arg)) |
1863 | return -EFAULT; |
1864 | if (copy_from_user(mixer_reg, (void *)val, sizeof(mixer_reg))) |
1865 | return -EFAULT; |
1866 | |
1867 | switch (mixer_reg[14]) { |
1868 | case MIXER_PRIVATE3_RESET: |
1869 | waveartist_mixer_reset(devc); |
1870 | break; |
1871 | |
1872 | case MIXER_PRIVATE3_WRITE: |
1873 | waveartist_cmd3(devc, WACMD_SET_MIXER, mixer_reg[0], mixer_reg[4]); |
1874 | waveartist_cmd3(devc, WACMD_SET_MIXER, mixer_reg[1], mixer_reg[5]); |
1875 | waveartist_cmd3(devc, WACMD_SET_MIXER, mixer_reg[2], mixer_reg[6]); |
1876 | waveartist_cmd3(devc, WACMD_SET_MIXER, mixer_reg[3], mixer_reg[7]); |
1877 | waveartist_cmd3(devc, WACMD_SET_MIXER, mixer_reg[8], mixer_reg[9]); |
1878 | |
1879 | waveartist_cmd3(devc, WACMD_SET_LEVEL, mixer_reg[10], mixer_reg[11]); |
1880 | waveartist_cmd3(devc, WACMD_SET_LEVEL, mixer_reg[12], mixer_reg[13]); |
1881 | break; |
1882 | |
1883 | case MIXER_PRIVATE3_READ: |
1884 | spin_lock_irqsave(&waveartist_lock, flags); |
1885 | |
1886 | for (i = 0x30; i < 14 << 8; i += 1 << 8) |
1887 | waveartist_cmd(devc, 1, &i, 1, mixer_reg + (i >> 8)); |
1888 | |
1889 | spin_unlock_irqrestore(&waveartist_lock, flags); |
1890 | |
1891 | if (copy_to_user((void *)val, mixer_reg, sizeof(mixer_reg))) |
1892 | return -EFAULT; |
1893 | break; |
1894 | |
1895 | default: |
1896 | return -EINVAL; |
1897 | } |
1898 | return 0; |
1899 | } |
1900 | |
1901 | /* read back the state from PRIVATE1 */ |
1902 | case SOUND_MIXER_PRIVATE4: |
1903 | val = (devc->spkr_mute_state ? VNC_MUTE_INTERNAL_SPKR : 0) | |
1904 | (devc->line_mute_state ? VNC_MUTE_LINE_OUT : 0) | |
1905 | (devc->handset_detect ? VNC_HANDSET_DETECT : 0) | |
1906 | (devc->telephone_detect ? VNC_PHONE_DETECT : 0) | |
1907 | (devc->no_autoselect ? VNC_DISABLE_AUTOSWITCH : 0); |
1908 | |
1909 | return put_user(val, arg) ? -EFAULT : 0; |
1910 | } |
1911 | |
1912 | if (_SIOC_DIR(cmd) & _SIOC_WRITE) { |
1913 | /* |
1914 | * special case for master volume: if we |
1915 | * received this call - switch from hw |
1916 | * volume control to a software volume |
1917 | * control, till the hw volume is modified |
1918 | * to signal that user wants to be back in |
1919 | * hardware... |
1920 | */ |
1921 | if ((cmd & 0xff) == SOUND_MIXER_VOLUME) |
1922 | devc->use_slider = 0; |
1923 | |
1924 | /* speaker output */ |
1925 | if ((cmd & 0xff) == SOUND_MIXER_SPEAKER) { |
1926 | unsigned int val, l, r; |
1927 | |
1928 | if (get_user(val, arg)) |
1929 | return -EFAULT; |
1930 | |
1931 | l = val & 0x7f; |
1932 | r = (val & 0x7f00) >> 8; |
1933 | val = (l + r) / 2; |
1934 | devc->levels[SOUND_MIXER_SPEAKER] = val | (val << 8); |
1935 | devc->spkr_mute_state = (val <= 50); |
1936 | vnc_mute_spkr(devc); |
1937 | return 0; |
1938 | } |
1939 | } |
1940 | |
1941 | return -ENOIOCTLCMD; |
1942 | } |
1943 | |
1944 | #endif |
1945 | |
1946 | static struct address_info cfg; |
1947 | |
1948 | static int attached; |
1949 | |
1950 | static int __initdata io = 0; |
1951 | static int __initdata irq = 0; |
1952 | static int __initdata dma = 0; |
1953 | static int __initdata dma2 = 0; |
1954 | |
1955 | |
1956 | static int __init init_waveartist(void) |
1957 | { |
1958 | const struct waveartist_mixer_info *mix; |
1959 | |
1960 | if (!io && machine_is_netwinder()) { |
1961 | /* |
1962 | * The NetWinder WaveArtist is at a fixed address. |
1963 | * If the user does not supply an address, use the |
1964 | * well-known parameters. |
1965 | */ |
1966 | io = 0x250; |
1967 | irq = 12; |
1968 | dma = 3; |
1969 | dma2 = 7; |
1970 | } |
1971 | |
1972 | mix = &waveartist_mixer; |
1973 | #ifdef CONFIG_ARCH_NETWINDER |
1974 | if (machine_is_netwinder()) |
1975 | mix = &netwinder_mixer; |
1976 | #endif |
1977 | |
1978 | cfg.io_base = io; |
1979 | cfg.irq = irq; |
1980 | cfg.dma = dma; |
1981 | cfg.dma2 = dma2; |
1982 | |
1983 | if (!probe_waveartist(&cfg)) |
1984 | return -ENODEV; |
1985 | |
1986 | attach_waveartist(&cfg, mix); |
1987 | attached = 1; |
1988 | |
1989 | return 0; |
1990 | } |
1991 | |
1992 | static void __exit cleanup_waveartist(void) |
1993 | { |
1994 | if (attached) |
1995 | unload_waveartist(&cfg); |
1996 | } |
1997 | |
1998 | module_init(init_waveartist); |
1999 | module_exit(cleanup_waveartist); |
2000 | |
2001 | #ifndef MODULE |
2002 | static int __init setup_waveartist(char *str) |
2003 | { |
2004 | /* io, irq, dma, dma2 */ |
2005 | int ints[5]; |
2006 | |
2007 | str = get_options(str, ARRAY_SIZE(ints), ints); |
2008 | |
2009 | io = ints[1]; |
2010 | irq = ints[2]; |
2011 | dma = ints[3]; |
2012 | dma2 = ints[4]; |
2013 | |
2014 | return 1; |
2015 | } |
2016 | __setup("waveartist=", setup_waveartist); |
2017 | #endif |
2018 | |
2019 | MODULE_DESCRIPTION("Rockwell WaveArtist RWA-010 sound driver"); |
2020 | module_param(io, int, 0); /* IO base */ |
2021 | module_param(irq, int, 0); /* IRQ */ |
2022 | module_param(dma, int, 0); /* DMA */ |
2023 | module_param(dma2, int, 0); /* DMA2 */ |
2024 | MODULE_LICENSE("GPL"); |
2025 |
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Tags:
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