File: /usr/src/linux/drivers/sound/es1370.c
1 /*****************************************************************************/
2
3 /*
4 * es1370.c -- Ensoniq ES1370/Asahi Kasei AK4531 audio driver.
5 *
6 * Copyright (C) 1998-2001 Thomas Sailer (t.sailer@alumni.ethz.ch)
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 *
22 * Special thanks to David C. Niemi
23 *
24 *
25 * Module command line parameters:
26 * joystick if 1 enables the joystick interface on the card; but it still
27 * needs a driver for joysticks connected to a standard IBM-PC
28 * joyport. It is tested with the joy-analog driver. This
29 * module must be loaded before the joystick driver. Kmod will
30 * not ensure that.
31 * lineout if 1 the LINE jack is used as an output instead of an input.
32 * LINE then contains the unmixed dsp output. This can be used
33 * to make the card a four channel one: use dsp to output two
34 * channels to LINE and dac to output the other two channels to
35 * SPKR. Set the mixer to only output synth to SPKR.
36 * micbias sets the +5V bias to the mic if using an electretmic.
37 *
38 *
39 * Note: sync mode is not yet supported (i.e. running dsp and dac from the same
40 * clock source)
41 *
42 * Supported devices:
43 * /dev/dsp standard /dev/dsp device, (mostly) OSS compatible
44 * /dev/mixer standard /dev/mixer device, (mostly) OSS compatible
45 * /dev/dsp1 additional DAC, like /dev/dsp, but output only,
46 * only 5512, 11025, 22050 and 44100 samples/s,
47 * outputs to mixer "SYNTH" setting
48 * /dev/midi simple MIDI UART interface, no ioctl
49 *
50 * NOTE: the card does not have any FM/Wavetable synthesizer, it is supposed
51 * to be done in software. That is what /dev/dac is for. By now (Q2 1998)
52 * there are several MIDI to PCM (WAV) packages, one of them is timidity.
53 *
54 * Revision history
55 * 26.03.1998 0.1 Initial release
56 * 31.03.1998 0.2 Fix bug in GETOSPACE
57 * 04.04.1998 0.3 Make it work (again) under 2.0.33
58 * Fix mixer write operation not returning the actual
59 * settings
60 * 05.04.1998 0.4 First attempt at using the new PCI stuff
61 * 29.04.1998 0.5 Fix hang when ^C is pressed on amp
62 * 07.05.1998 0.6 Don't double lock around stop_*() in *_release()
63 * 10.05.1998 0.7 First stab at a simple midi interface (no bells&whistles)
64 * 14.05.1998 0.8 Don't allow excessive interrupt rates
65 * 08.06.1998 0.9 First release using Alan Cox' soundcore instead of
66 * miscdevice
67 * 05.07.1998 0.10 Fixed the driver to correctly maintin OSS style volume
68 * settings (not sure if this should be standard)
69 * Fixed many references: f_flags should be f_mode
70 * -- Gerald Britton <gbritton@mit.edu>
71 * 03.08.1998 0.11 Now mixer behaviour can basically be selected between
72 * "OSS documented" and "OSS actual" behaviour
73 * Fixed mixer table thanks to Hakan.Lennestal@lu.erisoft.se
74 * On module startup, set DAC2 to 11kSPS instead of 5.5kSPS,
75 * as it produces an annoying ssssh in the lower sampling rate
76 * Do not include modversions.h
77 * 22.08.1998 0.12 Mixer registers actually have 5 instead of 4 bits
78 * pointed out by Itai Nahshon
79 * 31.08.1998 0.13 Fix realplayer problems - dac.count issues
80 * 08.10.1998 0.14 Joystick support fixed
81 * -- Oliver Neukum <c188@org.chemie.uni-muenchen.de>
82 * 10.12.1998 0.15 Fix drain_dac trying to wait on not yet initialized DMA
83 * 16.12.1998 0.16 Don't wake up app until there are fragsize bytes to read/write
84 * 06.01.1999 0.17 remove the silly SA_INTERRUPT flag.
85 * hopefully killed the egcs section type conflict
86 * 12.03.1999 0.18 cinfo.blocks should be reset after GETxPTR ioctl.
87 * reported by Johan Maes <joma@telindus.be>
88 * 22.03.1999 0.19 return EAGAIN instead of EBUSY when O_NONBLOCK
89 * read/write cannot be executed
90 * 07.04.1999 0.20 implemented the following ioctl's: SOUND_PCM_READ_RATE,
91 * SOUND_PCM_READ_CHANNELS, SOUND_PCM_READ_BITS;
92 * Alpha fixes reported by Peter Jones <pjones@redhat.com>
93 * Note: joystick address handling might still be wrong on archs
94 * other than i386
95 * 10.05.1999 0.21 Added support for an electret mic for SB PCI64
96 * to the Linux kernel sound driver. This mod also straighten
97 * out the question marks around the mic impedance setting
98 * (micz). From Kim.Berts@fisub.mail.abb.com
99 * 11.05.1999 0.22 Implemented the IMIX call to mute recording monitor.
100 * Guenter Geiger <geiger@epy.co.at>
101 * 15.06.1999 0.23 Fix bad allocation bug.
102 * Thanks to Deti Fliegl <fliegl@in.tum.de>
103 * 28.06.1999 0.24 Add pci_set_master
104 * 02.08.1999 0.25 Added workaround for the "phantom write" bug first
105 * documented by Dave Sharpless from Anchor Games
106 * 03.08.1999 0.26 adapt to Linus' new __setup/__initcall
107 * added kernel command line option "es1370=joystick[,lineout[,micbias]]"
108 * removed CONFIG_SOUND_ES1370_JOYPORT_BOOT kludge
109 * 12.08.1999 0.27 module_init/__setup fixes
110 * 19.08.1999 0.28 SOUND_MIXER_IMIX fixes, reported by Gianluca <gialluca@mail.tiscalinet.it>
111 * 31.08.1999 0.29 add spin_lock_init
112 * replaced current->state = x with set_current_state(x)
113 * 03.09.1999 0.30 change read semantics for MIDI to match
114 * OSS more closely; remove possible wakeup race
115 * 28.10.1999 0.31 More waitqueue races fixed
116 * 08.01.2000 0.32 Prevent some ioctl's from returning bad count values on underrun/overrun;
117 * Tim Janik's BSE (Bedevilled Sound Engine) found this
118 * 07.02.2000 0.33 Use pci_alloc_consistent and pci_register_driver
119 * 21.11.2000 0.34 Initialize dma buffers in poll, otherwise poll may return a bogus mask
120 * 12.12.2000 0.35 More dma buffer initializations, patch from
121 * Tjeerd Mulder <tjeerd.mulder@fujitsu-siemens.com>
122 * 07.01.2001 0.36 Timeout change in wrcodec as requested by Frank Klemm <pfk@fuchs.offl.uni-jena.de>
123 * 31.01.2001 0.37 Register/Unregister gameport
124 * Fix SETTRIGGER non OSS API conformity
125 *
126 * some important things missing in Ensoniq documentation:
127 *
128 * Experimental PCLKDIV results: play the same waveforms on both DAC1 and DAC2
129 * and vary PCLKDIV to obtain zero beat.
130 * 5512sps: 254
131 * 44100sps: 30
132 * seems to be fs = 1411200/(PCLKDIV+2)
133 *
134 * should find out when curr_sample_ct is cleared and
135 * where exactly the CCB fetches data
136 *
137 * The card uses a 22.5792 MHz crystal.
138 * The LINEIN jack may be converted to an AOUT jack by
139 * setting pin 47 (XCTL0) of the ES1370 to high.
140 * Pin 48 (XCTL1) of the ES1370 sets the +5V bias for an electretmic
141 *
142 *
143 */
144
145 /*****************************************************************************/
146
147 #include <linux/version.h>
148 #include <linux/module.h>
149 #include <linux/string.h>
150 #include <linux/ioport.h>
151 #include <linux/sched.h>
152 #include <linux/delay.h>
153 #include <linux/sound.h>
154 #include <linux/slab.h>
155 #include <linux/soundcard.h>
156 #include <linux/pci.h>
157 #include <linux/smp_lock.h>
158 #include <linux/wrapper.h>
159 #include <asm/io.h>
160 #include <asm/dma.h>
161 #include <linux/init.h>
162 #include <linux/poll.h>
163 #include <linux/spinlock.h>
164 #include <asm/uaccess.h>
165 #include <asm/hardirq.h>
166 #include <linux/gameport.h>
167
168 /* --------------------------------------------------------------------- */
169
170 #undef OSS_DOCUMENTED_MIXER_SEMANTICS
171 #define DBG(x) {}
172 /*#define DBG(x) {x}*/
173
174 /* --------------------------------------------------------------------- */
175
176 #ifndef PCI_VENDOR_ID_ENSONIQ
177 #define PCI_VENDOR_ID_ENSONIQ 0x1274
178 #endif
179
180 #ifndef PCI_DEVICE_ID_ENSONIQ_ES1370
181 #define PCI_DEVICE_ID_ENSONIQ_ES1370 0x5000
182 #endif
183
184 #define ES1370_MAGIC ((PCI_VENDOR_ID_ENSONIQ<<16)|PCI_DEVICE_ID_ENSONIQ_ES1370)
185
186 #define ES1370_EXTENT 0x40
187 #define JOY_EXTENT 8
188
189 #define ES1370_REG_CONTROL 0x00
190 #define ES1370_REG_STATUS 0x04
191 #define ES1370_REG_UART_DATA 0x08
192 #define ES1370_REG_UART_STATUS 0x09
193 #define ES1370_REG_UART_CONTROL 0x09
194 #define ES1370_REG_UART_TEST 0x0a
195 #define ES1370_REG_MEMPAGE 0x0c
196 #define ES1370_REG_CODEC 0x10
197 #define ES1370_REG_SERIAL_CONTROL 0x20
198 #define ES1370_REG_DAC1_SCOUNT 0x24
199 #define ES1370_REG_DAC2_SCOUNT 0x28
200 #define ES1370_REG_ADC_SCOUNT 0x2c
201
202 #define ES1370_REG_DAC1_FRAMEADR 0xc30
203 #define ES1370_REG_DAC1_FRAMECNT 0xc34
204 #define ES1370_REG_DAC2_FRAMEADR 0xc38
205 #define ES1370_REG_DAC2_FRAMECNT 0xc3c
206 #define ES1370_REG_ADC_FRAMEADR 0xd30
207 #define ES1370_REG_ADC_FRAMECNT 0xd34
208 #define ES1370_REG_PHANTOM_FRAMEADR 0xd38
209 #define ES1370_REG_PHANTOM_FRAMECNT 0xd3c
210
211 #define ES1370_FMT_U8_MONO 0
212 #define ES1370_FMT_U8_STEREO 1
213 #define ES1370_FMT_S16_MONO 2
214 #define ES1370_FMT_S16_STEREO 3
215 #define ES1370_FMT_STEREO 1
216 #define ES1370_FMT_S16 2
217 #define ES1370_FMT_MASK 3
218
219 static const unsigned sample_size[] = { 1, 2, 2, 4 };
220 static const unsigned sample_shift[] = { 0, 1, 1, 2 };
221
222 static const unsigned dac1_samplerate[] = { 5512, 11025, 22050, 44100 };
223
224 #define DAC2_SRTODIV(x) (((1411200+(x)/2)/(x))-2)
225 #define DAC2_DIVTOSR(x) (1411200/((x)+2))
226
227 #define CTRL_ADC_STOP 0x80000000 /* 1 = ADC stopped */
228 #define CTRL_XCTL1 0x40000000 /* electret mic bias */
229 #define CTRL_OPEN 0x20000000 /* no function, can be read and written */
230 #define CTRL_PCLKDIV 0x1fff0000 /* ADC/DAC2 clock divider */
231 #define CTRL_SH_PCLKDIV 16
232 #define CTRL_MSFMTSEL 0x00008000 /* MPEG serial data fmt: 0 = Sony, 1 = I2S */
233 #define CTRL_M_SBB 0x00004000 /* DAC2 clock: 0 = PCLKDIV, 1 = MPEG */
234 #define CTRL_WTSRSEL 0x00003000 /* DAC1 clock freq: 0=5512, 1=11025, 2=22050, 3=44100 */
235 #define CTRL_SH_WTSRSEL 12
236 #define CTRL_DAC_SYNC 0x00000800 /* 1 = DAC2 runs off DAC1 clock */
237 #define CTRL_CCB_INTRM 0x00000400 /* 1 = CCB "voice" ints enabled */
238 #define CTRL_M_CB 0x00000200 /* recording source: 0 = ADC, 1 = MPEG */
239 #define CTRL_XCTL0 0x00000100 /* 0 = Line in, 1 = Line out */
240 #define CTRL_BREQ 0x00000080 /* 1 = test mode (internal mem test) */
241 #define CTRL_DAC1_EN 0x00000040 /* enable DAC1 */
242 #define CTRL_DAC2_EN 0x00000020 /* enable DAC2 */
243 #define CTRL_ADC_EN 0x00000010 /* enable ADC */
244 #define CTRL_UART_EN 0x00000008 /* enable MIDI uart */
245 #define CTRL_JYSTK_EN 0x00000004 /* enable Joystick port (presumably at address 0x200) */
246 #define CTRL_CDC_EN 0x00000002 /* enable serial (CODEC) interface */
247 #define CTRL_SERR_DIS 0x00000001 /* 1 = disable PCI SERR signal */
248
249 #define STAT_INTR 0x80000000 /* wired or of all interrupt bits */
250 #define STAT_CSTAT 0x00000400 /* 1 = codec busy or codec write in progress */
251 #define STAT_CBUSY 0x00000200 /* 1 = codec busy */
252 #define STAT_CWRIP 0x00000100 /* 1 = codec write in progress */
253 #define STAT_VC 0x00000060 /* CCB int source, 0=DAC1, 1=DAC2, 2=ADC, 3=undef */
254 #define STAT_SH_VC 5
255 #define STAT_MCCB 0x00000010 /* CCB int pending */
256 #define STAT_UART 0x00000008 /* UART int pending */
257 #define STAT_DAC1 0x00000004 /* DAC1 int pending */
258 #define STAT_DAC2 0x00000002 /* DAC2 int pending */
259 #define STAT_ADC 0x00000001 /* ADC int pending */
260
261 #define USTAT_RXINT 0x80 /* UART rx int pending */
262 #define USTAT_TXINT 0x04 /* UART tx int pending */
263 #define USTAT_TXRDY 0x02 /* UART tx ready */
264 #define USTAT_RXRDY 0x01 /* UART rx ready */
265
266 #define UCTRL_RXINTEN 0x80 /* 1 = enable RX ints */
267 #define UCTRL_TXINTEN 0x60 /* TX int enable field mask */
268 #define UCTRL_ENA_TXINT 0x20 /* enable TX int */
269 #define UCTRL_CNTRL 0x03 /* control field */
270 #define UCTRL_CNTRL_SWR 0x03 /* software reset command */
271
272 #define SCTRL_P2ENDINC 0x00380000 /* */
273 #define SCTRL_SH_P2ENDINC 19
274 #define SCTRL_P2STINC 0x00070000 /* */
275 #define SCTRL_SH_P2STINC 16
276 #define SCTRL_R1LOOPSEL 0x00008000 /* 0 = loop mode */
277 #define SCTRL_P2LOOPSEL 0x00004000 /* 0 = loop mode */
278 #define SCTRL_P1LOOPSEL 0x00002000 /* 0 = loop mode */
279 #define SCTRL_P2PAUSE 0x00001000 /* 1 = pause mode */
280 #define SCTRL_P1PAUSE 0x00000800 /* 1 = pause mode */
281 #define SCTRL_R1INTEN 0x00000400 /* enable interrupt */
282 #define SCTRL_P2INTEN 0x00000200 /* enable interrupt */
283 #define SCTRL_P1INTEN 0x00000100 /* enable interrupt */
284 #define SCTRL_P1SCTRLD 0x00000080 /* reload sample count register for DAC1 */
285 #define SCTRL_P2DACSEN 0x00000040 /* 1 = DAC2 play back last sample when disabled */
286 #define SCTRL_R1SEB 0x00000020 /* 1 = 16bit */
287 #define SCTRL_R1SMB 0x00000010 /* 1 = stereo */
288 #define SCTRL_R1FMT 0x00000030 /* format mask */
289 #define SCTRL_SH_R1FMT 4
290 #define SCTRL_P2SEB 0x00000008 /* 1 = 16bit */
291 #define SCTRL_P2SMB 0x00000004 /* 1 = stereo */
292 #define SCTRL_P2FMT 0x0000000c /* format mask */
293 #define SCTRL_SH_P2FMT 2
294 #define SCTRL_P1SEB 0x00000002 /* 1 = 16bit */
295 #define SCTRL_P1SMB 0x00000001 /* 1 = stereo */
296 #define SCTRL_P1FMT 0x00000003 /* format mask */
297 #define SCTRL_SH_P1FMT 0
298
299 /* misc stuff */
300
301 #define FMODE_DAC 4 /* slight misuse of mode_t */
302
303 /* MIDI buffer sizes */
304
305 #define MIDIINBUF 256
306 #define MIDIOUTBUF 256
307
308 #define FMODE_MIDI_SHIFT 3
309 #define FMODE_MIDI_READ (FMODE_READ << FMODE_MIDI_SHIFT)
310 #define FMODE_MIDI_WRITE (FMODE_WRITE << FMODE_MIDI_SHIFT)
311
312 /* --------------------------------------------------------------------- */
313
314 struct es1370_state {
315 /* magic */
316 unsigned int magic;
317
318 /* list of es1370 devices */
319 struct list_head devs;
320
321 /* the corresponding pci_dev structure */
322 struct pci_dev *dev;
323
324 /* soundcore stuff */
325 int dev_audio;
326 int dev_mixer;
327 int dev_dac;
328 int dev_midi;
329
330 /* hardware resources */
331 unsigned long io; /* long for SPARC */
332 unsigned int irq;
333
334 /* mixer registers; there is no HW readback */
335 struct {
336 unsigned short vol[10];
337 unsigned int recsrc;
338 unsigned int modcnt;
339 unsigned short micpreamp;
340 unsigned int imix;
341 } mix;
342
343 /* wave stuff */
344 unsigned ctrl;
345 unsigned sctrl;
346
347 spinlock_t lock;
348 struct semaphore open_sem;
349 mode_t open_mode;
350 wait_queue_head_t open_wait;
351
352 struct dmabuf {
353 void *rawbuf;
354 dma_addr_t dmaaddr;
355 unsigned buforder;
356 unsigned numfrag;
357 unsigned fragshift;
358 unsigned hwptr, swptr;
359 unsigned total_bytes;
360 int count;
361 unsigned error; /* over/underrun */
362 wait_queue_head_t wait;
363 /* redundant, but makes calculations easier */
364 unsigned fragsize;
365 unsigned dmasize;
366 unsigned fragsamples;
367 /* OSS stuff */
368 unsigned mapped:1;
369 unsigned ready:1;
370 unsigned endcleared:1;
371 unsigned enabled:1;
372 unsigned ossfragshift;
373 int ossmaxfrags;
374 unsigned subdivision;
375 } dma_dac1, dma_dac2, dma_adc;
376
377 /* midi stuff */
378 struct {
379 unsigned ird, iwr, icnt;
380 unsigned ord, owr, ocnt;
381 wait_queue_head_t iwait;
382 wait_queue_head_t owait;
383 unsigned char ibuf[MIDIINBUF];
384 unsigned char obuf[MIDIOUTBUF];
385 } midi;
386
387 struct gameport gameport;
388 struct semaphore sem;
389 };
390
391 /* --------------------------------------------------------------------- */
392
393 static LIST_HEAD(devs);
394
395 /*
396 * The following buffer is used to point the phantom write channel to,
397 * so that it cannot wreak havoc. The attribute makes sure it doesn't
398 * cross a page boundary and ensures dword alignment for the DMA engine
399 */
400 static unsigned char bugbuf[16] __attribute__ ((aligned (16)));
401
402 /* --------------------------------------------------------------------- */
403
404 static inline unsigned ld2(unsigned int x)
405 {
406 unsigned r = 0;
407
408 if (x >= 0x10000) {
409 x >>= 16;
410 r += 16;
411 }
412 if (x >= 0x100) {
413 x >>= 8;
414 r += 8;
415 }
416 if (x >= 0x10) {
417 x >>= 4;
418 r += 4;
419 }
420 if (x >= 4) {
421 x >>= 2;
422 r += 2;
423 }
424 if (x >= 2)
425 r++;
426 return r;
427 }
428
429 /* --------------------------------------------------------------------- */
430
431 static void wrcodec(struct es1370_state *s, unsigned char idx, unsigned char data)
432 {
433 unsigned long tmo = jiffies + HZ/10, j;
434
435 do {
436 j = jiffies;
437 if (!(inl(s->io+ES1370_REG_STATUS) & STAT_CSTAT)) {
438 outw((((unsigned short)idx)<<8)|data, s->io+ES1370_REG_CODEC);
439 return;
440 }
441 schedule();
442 } while ((signed)(tmo-j) > 0);
443 printk(KERN_ERR "es1370: write to codec register timeout\n");
444 }
445
446 /* --------------------------------------------------------------------- */
447
448 static inline void stop_adc(struct es1370_state *s)
449 {
450 unsigned long flags;
451
452 spin_lock_irqsave(&s->lock, flags);
453 s->ctrl &= ~CTRL_ADC_EN;
454 outl(s->ctrl, s->io+ES1370_REG_CONTROL);
455 spin_unlock_irqrestore(&s->lock, flags);
456 }
457
458 static inline void stop_dac1(struct es1370_state *s)
459 {
460 unsigned long flags;
461
462 spin_lock_irqsave(&s->lock, flags);
463 s->ctrl &= ~CTRL_DAC1_EN;
464 outl(s->ctrl, s->io+ES1370_REG_CONTROL);
465 spin_unlock_irqrestore(&s->lock, flags);
466 }
467
468 static inline void stop_dac2(struct es1370_state *s)
469 {
470 unsigned long flags;
471
472 spin_lock_irqsave(&s->lock, flags);
473 s->ctrl &= ~CTRL_DAC2_EN;
474 outl(s->ctrl, s->io+ES1370_REG_CONTROL);
475 spin_unlock_irqrestore(&s->lock, flags);
476 }
477
478 static void start_dac1(struct es1370_state *s)
479 {
480 unsigned long flags;
481 unsigned fragremain, fshift;
482
483 spin_lock_irqsave(&s->lock, flags);
484 if (!(s->ctrl & CTRL_DAC1_EN) && (s->dma_dac1.mapped || s->dma_dac1.count > 0)
485 && s->dma_dac1.ready) {
486 s->ctrl |= CTRL_DAC1_EN;
487 s->sctrl = (s->sctrl & ~(SCTRL_P1LOOPSEL | SCTRL_P1PAUSE | SCTRL_P1SCTRLD)) | SCTRL_P1INTEN;
488 outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL);
489 fragremain = ((- s->dma_dac1.hwptr) & (s->dma_dac1.fragsize-1));
490 fshift = sample_shift[(s->sctrl & SCTRL_P1FMT) >> SCTRL_SH_P1FMT];
491 if (fragremain < 2*fshift)
492 fragremain = s->dma_dac1.fragsize;
493 outl((fragremain >> fshift) - 1, s->io+ES1370_REG_DAC1_SCOUNT);
494 outl(s->ctrl, s->io+ES1370_REG_CONTROL);
495 outl((s->dma_dac1.fragsize >> fshift) - 1, s->io+ES1370_REG_DAC1_SCOUNT);
496 }
497 spin_unlock_irqrestore(&s->lock, flags);
498 }
499
500 static void start_dac2(struct es1370_state *s)
501 {
502 unsigned long flags;
503 unsigned fragremain, fshift;
504
505 spin_lock_irqsave(&s->lock, flags);
506 if (!(s->ctrl & CTRL_DAC2_EN) && (s->dma_dac2.mapped || s->dma_dac2.count > 0)
507 && s->dma_dac2.ready) {
508 s->ctrl |= CTRL_DAC2_EN;
509 s->sctrl = (s->sctrl & ~(SCTRL_P2LOOPSEL | SCTRL_P2PAUSE | SCTRL_P2DACSEN |
510 SCTRL_P2ENDINC | SCTRL_P2STINC)) | SCTRL_P2INTEN |
511 (((s->sctrl & SCTRL_P2FMT) ? 2 : 1) << SCTRL_SH_P2ENDINC) |
512 (0 << SCTRL_SH_P2STINC);
513 outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL);
514 fragremain = ((- s->dma_dac2.hwptr) & (s->dma_dac2.fragsize-1));
515 fshift = sample_shift[(s->sctrl & SCTRL_P2FMT) >> SCTRL_SH_P2FMT];
516 if (fragremain < 2*fshift)
517 fragremain = s->dma_dac2.fragsize;
518 outl((fragremain >> fshift) - 1, s->io+ES1370_REG_DAC2_SCOUNT);
519 outl(s->ctrl, s->io+ES1370_REG_CONTROL);
520 outl((s->dma_dac2.fragsize >> fshift) - 1, s->io+ES1370_REG_DAC2_SCOUNT);
521 }
522 spin_unlock_irqrestore(&s->lock, flags);
523 }
524
525 static void start_adc(struct es1370_state *s)
526 {
527 unsigned long flags;
528 unsigned fragremain, fshift;
529
530 spin_lock_irqsave(&s->lock, flags);
531 if (!(s->ctrl & CTRL_ADC_EN) && (s->dma_adc.mapped || s->dma_adc.count < (signed)(s->dma_adc.dmasize - 2*s->dma_adc.fragsize))
532 && s->dma_adc.ready) {
533 s->ctrl |= CTRL_ADC_EN;
534 s->sctrl = (s->sctrl & ~SCTRL_R1LOOPSEL) | SCTRL_R1INTEN;
535 outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL);
536 fragremain = ((- s->dma_adc.hwptr) & (s->dma_adc.fragsize-1));
537 fshift = sample_shift[(s->sctrl & SCTRL_R1FMT) >> SCTRL_SH_R1FMT];
538 if (fragremain < 2*fshift)
539 fragremain = s->dma_adc.fragsize;
540 outl((fragremain >> fshift) - 1, s->io+ES1370_REG_ADC_SCOUNT);
541 outl(s->ctrl, s->io+ES1370_REG_CONTROL);
542 outl((s->dma_adc.fragsize >> fshift) - 1, s->io+ES1370_REG_ADC_SCOUNT);
543 }
544 spin_unlock_irqrestore(&s->lock, flags);
545 }
546
547 /* --------------------------------------------------------------------- */
548
549 #define DMABUF_DEFAULTORDER (17-PAGE_SHIFT)
550 #define DMABUF_MINORDER 1
551
552 static inline void dealloc_dmabuf(struct es1370_state *s, struct dmabuf *db)
553 {
554 struct page *page, *pend;
555
556 if (db->rawbuf) {
557 /* undo marking the pages as reserved */
558 pend = virt_to_page(db->rawbuf + (PAGE_SIZE << db->buforder) - 1);
559 for (page = virt_to_page(db->rawbuf); page <= pend; page++)
560 mem_map_unreserve(page);
561 pci_free_consistent(s->dev, PAGE_SIZE << db->buforder, db->rawbuf, db->dmaaddr);
562 }
563 db->rawbuf = NULL;
564 db->mapped = db->ready = 0;
565 }
566
567 static int prog_dmabuf(struct es1370_state *s, struct dmabuf *db, unsigned rate, unsigned fmt, unsigned reg)
568 {
569 int order;
570 unsigned bytepersec;
571 unsigned bufs;
572 struct page *page, *pend;
573
574 db->hwptr = db->swptr = db->total_bytes = db->count = db->error = db->endcleared = 0;
575 if (!db->rawbuf) {
576 db->ready = db->mapped = 0;
577 for (order = DMABUF_DEFAULTORDER; order >= DMABUF_MINORDER; order--)
578 if ((db->rawbuf = pci_alloc_consistent(s->dev, PAGE_SIZE << order, &db->dmaaddr)))
579 break;
580 if (!db->rawbuf)
581 return -ENOMEM;
582 db->buforder = order;
583 /* now mark the pages as reserved; otherwise remap_page_range doesn't do what we want */
584 pend = virt_to_page(db->rawbuf + (PAGE_SIZE << db->buforder) - 1);
585 for (page = virt_to_page(db->rawbuf); page <= pend; page++)
586 mem_map_reserve(page);
587 }
588 fmt &= ES1370_FMT_MASK;
589 bytepersec = rate << sample_shift[fmt];
590 bufs = PAGE_SIZE << db->buforder;
591 if (db->ossfragshift) {
592 if ((1000 << db->ossfragshift) < bytepersec)
593 db->fragshift = ld2(bytepersec/1000);
594 else
595 db->fragshift = db->ossfragshift;
596 } else {
597 db->fragshift = ld2(bytepersec/100/(db->subdivision ? db->subdivision : 1));
598 if (db->fragshift < 3)
599 db->fragshift = 3;
600 }
601 db->numfrag = bufs >> db->fragshift;
602 while (db->numfrag < 4 && db->fragshift > 3) {
603 db->fragshift--;
604 db->numfrag = bufs >> db->fragshift;
605 }
606 db->fragsize = 1 << db->fragshift;
607 if (db->ossmaxfrags >= 4 && db->ossmaxfrags < db->numfrag)
608 db->numfrag = db->ossmaxfrags;
609 db->fragsamples = db->fragsize >> sample_shift[fmt];
610 db->dmasize = db->numfrag << db->fragshift;
611 memset(db->rawbuf, (fmt & ES1370_FMT_S16) ? 0 : 0x80, db->dmasize);
612 outl((reg >> 8) & 15, s->io+ES1370_REG_MEMPAGE);
613 outl(db->dmaaddr, s->io+(reg & 0xff));
614 outl((db->dmasize >> 2)-1, s->io+((reg + 4) & 0xff));
615 db->enabled = 1;
616 db->ready = 1;
617 return 0;
618 }
619
620 static inline int prog_dmabuf_adc(struct es1370_state *s)
621 {
622 stop_adc(s);
623 return prog_dmabuf(s, &s->dma_adc, DAC2_DIVTOSR((s->ctrl & CTRL_PCLKDIV) >> CTRL_SH_PCLKDIV),
624 (s->sctrl >> SCTRL_SH_R1FMT) & ES1370_FMT_MASK, ES1370_REG_ADC_FRAMEADR);
625 }
626
627 static inline int prog_dmabuf_dac2(struct es1370_state *s)
628 {
629 stop_dac2(s);
630 return prog_dmabuf(s, &s->dma_dac2, DAC2_DIVTOSR((s->ctrl & CTRL_PCLKDIV) >> CTRL_SH_PCLKDIV),
631 (s->sctrl >> SCTRL_SH_P2FMT) & ES1370_FMT_MASK, ES1370_REG_DAC2_FRAMEADR);
632 }
633
634 static inline int prog_dmabuf_dac1(struct es1370_state *s)
635 {
636 stop_dac1(s);
637 return prog_dmabuf(s, &s->dma_dac1, dac1_samplerate[(s->ctrl & CTRL_WTSRSEL) >> CTRL_SH_WTSRSEL],
638 (s->sctrl >> SCTRL_SH_P1FMT) & ES1370_FMT_MASK, ES1370_REG_DAC1_FRAMEADR);
639 }
640
641 static inline unsigned get_hwptr(struct es1370_state *s, struct dmabuf *db, unsigned reg)
642 {
643 unsigned hwptr, diff;
644
645 outl((reg >> 8) & 15, s->io+ES1370_REG_MEMPAGE);
646 hwptr = (inl(s->io+(reg & 0xff)) >> 14) & 0x3fffc;
647 diff = (db->dmasize + hwptr - db->hwptr) % db->dmasize;
648 db->hwptr = hwptr;
649 return diff;
650 }
651
652 static inline void clear_advance(void *buf, unsigned bsize, unsigned bptr, unsigned len, unsigned char c)
653 {
654 if (bptr + len > bsize) {
655 unsigned x = bsize - bptr;
656 memset(((char *)buf) + bptr, c, x);
657 bptr = 0;
658 len -= x;
659 }
660 memset(((char *)buf) + bptr, c, len);
661 }
662
663 /* call with spinlock held! */
664 static void es1370_update_ptr(struct es1370_state *s)
665 {
666 int diff;
667
668 /* update ADC pointer */
669 if (s->ctrl & CTRL_ADC_EN) {
670 diff = get_hwptr(s, &s->dma_adc, ES1370_REG_ADC_FRAMECNT);
671 s->dma_adc.total_bytes += diff;
672 s->dma_adc.count += diff;
673 if (s->dma_adc.count >= (signed)s->dma_adc.fragsize)
674 wake_up(&s->dma_adc.wait);
675 if (!s->dma_adc.mapped) {
676 if (s->dma_adc.count > (signed)(s->dma_adc.dmasize - ((3 * s->dma_adc.fragsize) >> 1))) {
677 s->ctrl &= ~CTRL_ADC_EN;
678 outl(s->ctrl, s->io+ES1370_REG_CONTROL);
679 s->dma_adc.error++;
680 }
681 }
682 }
683 /* update DAC1 pointer */
684 if (s->ctrl & CTRL_DAC1_EN) {
685 diff = get_hwptr(s, &s->dma_dac1, ES1370_REG_DAC1_FRAMECNT);
686 s->dma_dac1.total_bytes += diff;
687 if (s->dma_dac1.mapped) {
688 s->dma_dac1.count += diff;
689 if (s->dma_dac1.count >= (signed)s->dma_dac1.fragsize)
690 wake_up(&s->dma_dac1.wait);
691 } else {
692 s->dma_dac1.count -= diff;
693 if (s->dma_dac1.count <= 0) {
694 s->ctrl &= ~CTRL_DAC1_EN;
695 outl(s->ctrl, s->io+ES1370_REG_CONTROL);
696 s->dma_dac1.error++;
697 } else if (s->dma_dac1.count <= (signed)s->dma_dac1.fragsize && !s->dma_dac1.endcleared) {
698 clear_advance(s->dma_dac1.rawbuf, s->dma_dac1.dmasize, s->dma_dac1.swptr,
699 s->dma_dac1.fragsize, (s->sctrl & SCTRL_P1SEB) ? 0 : 0x80);
700 s->dma_dac1.endcleared = 1;
701 }
702 if (s->dma_dac1.count + (signed)s->dma_dac1.fragsize <= (signed)s->dma_dac1.dmasize)
703 wake_up(&s->dma_dac1.wait);
704 }
705 }
706 /* update DAC2 pointer */
707 if (s->ctrl & CTRL_DAC2_EN) {
708 diff = get_hwptr(s, &s->dma_dac2, ES1370_REG_DAC2_FRAMECNT);
709 s->dma_dac2.total_bytes += diff;
710 if (s->dma_dac2.mapped) {
711 s->dma_dac2.count += diff;
712 if (s->dma_dac2.count >= (signed)s->dma_dac2.fragsize)
713 wake_up(&s->dma_dac2.wait);
714 } else {
715 s->dma_dac2.count -= diff;
716 if (s->dma_dac2.count <= 0) {
717 s->ctrl &= ~CTRL_DAC2_EN;
718 outl(s->ctrl, s->io+ES1370_REG_CONTROL);
719 s->dma_dac2.error++;
720 } else if (s->dma_dac2.count <= (signed)s->dma_dac2.fragsize && !s->dma_dac2.endcleared) {
721 clear_advance(s->dma_dac2.rawbuf, s->dma_dac2.dmasize, s->dma_dac2.swptr,
722 s->dma_dac2.fragsize, (s->sctrl & SCTRL_P2SEB) ? 0 : 0x80);
723 s->dma_dac2.endcleared = 1;
724 }
725 if (s->dma_dac2.count + (signed)s->dma_dac2.fragsize <= (signed)s->dma_dac2.dmasize)
726 wake_up(&s->dma_dac2.wait);
727 }
728 }
729 }
730
731 /* hold spinlock for the following! */
732 static void es1370_handle_midi(struct es1370_state *s)
733 {
734 unsigned char ch;
735 int wake;
736
737 if (!(s->ctrl & CTRL_UART_EN))
738 return;
739 wake = 0;
740 while (inb(s->io+ES1370_REG_UART_STATUS) & USTAT_RXRDY) {
741 ch = inb(s->io+ES1370_REG_UART_DATA);
742 if (s->midi.icnt < MIDIINBUF) {
743 s->midi.ibuf[s->midi.iwr] = ch;
744 s->midi.iwr = (s->midi.iwr + 1) % MIDIINBUF;
745 s->midi.icnt++;
746 }
747 wake = 1;
748 }
749 if (wake)
750 wake_up(&s->midi.iwait);
751 wake = 0;
752 while ((inb(s->io+ES1370_REG_UART_STATUS) & USTAT_TXRDY) && s->midi.ocnt > 0) {
753 outb(s->midi.obuf[s->midi.ord], s->io+ES1370_REG_UART_DATA);
754 s->midi.ord = (s->midi.ord + 1) % MIDIOUTBUF;
755 s->midi.ocnt--;
756 if (s->midi.ocnt < MIDIOUTBUF-16)
757 wake = 1;
758 }
759 if (wake)
760 wake_up(&s->midi.owait);
761 outb((s->midi.ocnt > 0) ? UCTRL_RXINTEN | UCTRL_ENA_TXINT : UCTRL_RXINTEN, s->io+ES1370_REG_UART_CONTROL);
762 }
763
764 static void es1370_interrupt(int irq, void *dev_id, struct pt_regs *regs)
765 {
766 struct es1370_state *s = (struct es1370_state *)dev_id;
767 unsigned int intsrc, sctl;
768
769 /* fastpath out, to ease interrupt sharing */
770 intsrc = inl(s->io+ES1370_REG_STATUS);
771 if (!(intsrc & 0x80000000))
772 return;
773 spin_lock(&s->lock);
774 /* clear audio interrupts first */
775 sctl = s->sctrl;
776 if (intsrc & STAT_ADC)
777 sctl &= ~SCTRL_R1INTEN;
778 if (intsrc & STAT_DAC1)
779 sctl &= ~SCTRL_P1INTEN;
780 if (intsrc & STAT_DAC2)
781 sctl &= ~SCTRL_P2INTEN;
782 outl(sctl, s->io+ES1370_REG_SERIAL_CONTROL);
783 outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL);
784 es1370_update_ptr(s);
785 es1370_handle_midi(s);
786 spin_unlock(&s->lock);
787 }
788
789 /* --------------------------------------------------------------------- */
790
791 static const char invalid_magic[] = KERN_CRIT "es1370: invalid magic value\n";
792
793 #define VALIDATE_STATE(s) \
794 ({ \
795 if (!(s) || (s)->magic != ES1370_MAGIC) { \
796 printk(invalid_magic); \
797 return -ENXIO; \
798 } \
799 })
800
801 /* --------------------------------------------------------------------- */
802
803 static const struct {
804 unsigned volidx:4;
805 unsigned left:4;
806 unsigned right:4;
807 unsigned stereo:1;
808 unsigned recmask:13;
809 unsigned avail:1;
810 } mixtable[SOUND_MIXER_NRDEVICES] = {
811 [SOUND_MIXER_VOLUME] = { 0, 0x0, 0x1, 1, 0x0000, 1 }, /* master */
812 [SOUND_MIXER_PCM] = { 1, 0x2, 0x3, 1, 0x0400, 1 }, /* voice */
813 [SOUND_MIXER_SYNTH] = { 2, 0x4, 0x5, 1, 0x0060, 1 }, /* FM */
814 [SOUND_MIXER_CD] = { 3, 0x6, 0x7, 1, 0x0006, 1 }, /* CD */
815 [SOUND_MIXER_LINE] = { 4, 0x8, 0x9, 1, 0x0018, 1 }, /* Line */
816 [SOUND_MIXER_LINE1] = { 5, 0xa, 0xb, 1, 0x1800, 1 }, /* AUX */
817 [SOUND_MIXER_LINE2] = { 6, 0xc, 0x0, 0, 0x0100, 1 }, /* Mono1 */
818 [SOUND_MIXER_LINE3] = { 7, 0xd, 0x0, 0, 0x0200, 1 }, /* Mono2 */
819 [SOUND_MIXER_MIC] = { 8, 0xe, 0x0, 0, 0x0001, 1 }, /* Mic */
820 [SOUND_MIXER_OGAIN] = { 9, 0xf, 0x0, 0, 0x0000, 1 } /* mono out */
821 };
822
823 static void set_recsrc(struct es1370_state *s, unsigned int val)
824 {
825 unsigned int i, j;
826
827 for (j = i = 0; i < SOUND_MIXER_NRDEVICES; i++) {
828 if (!(val & (1 << i)))
829 continue;
830 if (!mixtable[i].recmask) {
831 val &= ~(1 << i);
832 continue;
833 }
834 j |= mixtable[i].recmask;
835 }
836 s->mix.recsrc = val;
837 wrcodec(s, 0x12, j & 0xd5);
838 wrcodec(s, 0x13, j & 0xaa);
839 wrcodec(s, 0x14, (j >> 8) & 0x17);
840 wrcodec(s, 0x15, (j >> 8) & 0x0f);
841 i = (j & 0x37f) | ((j << 1) & 0x3000) | 0xc60;
842 if (!s->mix.imix) {
843 i &= 0xff60; /* mute record and line monitor */
844 }
845 wrcodec(s, 0x10, i);
846 wrcodec(s, 0x11, i >> 8);
847 }
848
849 static int mixer_ioctl(struct es1370_state *s, unsigned int cmd, unsigned long arg)
850 {
851 unsigned long flags;
852 int i, val;
853 unsigned char l, r, rl, rr;
854
855 VALIDATE_STATE(s);
856 if (cmd == SOUND_MIXER_PRIVATE1) {
857 /* enable/disable/query mixer preamp */
858 if (get_user(val, (int *)arg))
859 return -EFAULT;
860 if (val != -1) {
861 s->mix.micpreamp = !!val;
862 wrcodec(s, 0x19, s->mix.micpreamp);
863 }
864 return put_user(s->mix.micpreamp, (int *)arg);
865 }
866 if (cmd == SOUND_MIXER_PRIVATE2) {
867 /* enable/disable/query use of linein as second lineout */
868 if (get_user(val, (int *)arg))
869 return -EFAULT;
870 if (val != -1) {
871 spin_lock_irqsave(&s->lock, flags);
872 if (val)
873 s->ctrl |= CTRL_XCTL0;
874 else
875 s->ctrl &= ~CTRL_XCTL0;
876 outl(s->ctrl, s->io+ES1370_REG_CONTROL);
877 spin_unlock_irqrestore(&s->lock, flags);
878 }
879 return put_user((s->ctrl & CTRL_XCTL0) ? 1 : 0, (int *)arg);
880 }
881 if (cmd == SOUND_MIXER_PRIVATE3) {
882 /* enable/disable/query microphone impedance setting */
883 if (get_user(val, (int *)arg))
884 return -EFAULT;
885 if (val != -1) {
886 spin_lock_irqsave(&s->lock, flags);
887 if (val)
888 s->ctrl |= CTRL_XCTL1;
889 else
890 s->ctrl &= ~CTRL_XCTL1;
891 outl(s->ctrl, s->io+ES1370_REG_CONTROL);
892 spin_unlock_irqrestore(&s->lock, flags);
893 }
894 return put_user((s->ctrl & CTRL_XCTL1) ? 1 : 0, (int *)arg);
895 }
896 if (cmd == SOUND_MIXER_INFO) {
897 mixer_info info;
898 strncpy(info.id, "ES1370", sizeof(info.id));
899 strncpy(info.name, "Ensoniq ES1370", sizeof(info.name));
900 info.modify_counter = s->mix.modcnt;
901 if (copy_to_user((void *)arg, &info, sizeof(info)))
902 return -EFAULT;
903 return 0;
904 }
905 if (cmd == SOUND_OLD_MIXER_INFO) {
906 _old_mixer_info info;
907 strncpy(info.id, "ES1370", sizeof(info.id));
908 strncpy(info.name, "Ensoniq ES1370", sizeof(info.name));
909 if (copy_to_user((void *)arg, &info, sizeof(info)))
910 return -EFAULT;
911 return 0;
912 }
913 if (cmd == OSS_GETVERSION)
914 return put_user(SOUND_VERSION, (int *)arg);
915 if (_IOC_TYPE(cmd) != 'M' || _SIOC_SIZE(cmd) != sizeof(int))
916 return -EINVAL;
917 if (_SIOC_DIR(cmd) == _SIOC_READ) {
918 switch (_IOC_NR(cmd)) {
919 case SOUND_MIXER_RECSRC: /* Arg contains a bit for each recording source */
920 return put_user(s->mix.recsrc, (int *)arg);
921
922 case SOUND_MIXER_DEVMASK: /* Arg contains a bit for each supported device */
923 val = SOUND_MASK_IMIX;
924 for (i = 0; i < SOUND_MIXER_NRDEVICES; i++)
925 if (mixtable[i].avail)
926 val |= 1 << i;
927 return put_user(val, (int *)arg);
928
929 case SOUND_MIXER_RECMASK: /* Arg contains a bit for each supported recording source */
930 for (val = i = 0; i < SOUND_MIXER_NRDEVICES; i++)
931 if (mixtable[i].recmask)
932 val |= 1 << i;
933 return put_user(val, (int *)arg);
934
935 case SOUND_MIXER_STEREODEVS: /* Mixer channels supporting stereo */
936 for (val = i = 0; i < SOUND_MIXER_NRDEVICES; i++)
937 if (mixtable[i].stereo)
938 val |= 1 << i;
939 return put_user(val, (int *)arg);
940
941 case SOUND_MIXER_CAPS:
942 return put_user(0, (int *)arg);
943
944 case SOUND_MIXER_IMIX:
945 return put_user(s->mix.imix, (int *)arg);
946
947 default:
948 i = _IOC_NR(cmd);
949 if (i >= SOUND_MIXER_NRDEVICES || !mixtable[i].avail)
950 return -EINVAL;
951 return put_user(s->mix.vol[mixtable[i].volidx], (int *)arg);
952 }
953 }
954 if (_SIOC_DIR(cmd) != (_SIOC_READ|_SIOC_WRITE))
955 return -EINVAL;
956 s->mix.modcnt++;
957 switch (_IOC_NR(cmd)) {
958
959 case SOUND_MIXER_IMIX:
960 if (get_user(s->mix.imix, (int *)arg))
961 return -EFAULT;
962 set_recsrc(s, s->mix.recsrc);
963 return 0;
964
965 case SOUND_MIXER_RECSRC: /* Arg contains a bit for each recording source */
966 if (get_user(val, (int *)arg))
967 return -EFAULT;
968 set_recsrc(s, val);
969 return 0;
970
971 default:
972 i = _IOC_NR(cmd);
973 if (i >= SOUND_MIXER_NRDEVICES || !mixtable[i].avail)
974 return -EINVAL;
975 if (get_user(val, (int *)arg))
976 return -EFAULT;
977 l = val & 0xff;
978 if (l > 100)
979 l = 100;
980 if (mixtable[i].stereo) {
981 r = (val >> 8) & 0xff;
982 if (r > 100)
983 r = 100;
984 if (l < 7) {
985 rl = 0x80;
986 l = 0;
987 } else {
988 rl = 31 - ((l - 7) / 3);
989 l = (31 - rl) * 3 + 7;
990 }
991 if (r < 7) {
992 rr = 0x80;
993 r = 0;
994 } else {
995 rr = 31 - ((r - 7) / 3);
996 r = (31 - rr) * 3 + 7;
997 }
998 wrcodec(s, mixtable[i].right, rr);
999 } else {
1000 if (mixtable[i].left == 15) {
1001 if (l < 2) {
1002 rr = rl = 0x80;
1003 r = l = 0;
1004 } else {
1005 rl = 7 - ((l - 2) / 14);
1006 r = l = (7 - rl) * 14 + 2;
1007 }
1008 } else {
1009 if (l < 7) {
1010 rl = 0x80;
1011 r = l = 0;
1012 } else {
1013 rl = 31 - ((l - 7) / 3);
1014 r = l = (31 - rl) * 3 + 7;
1015 }
1016 }
1017 }
1018 wrcodec(s, mixtable[i].left, rl);
1019 #ifdef OSS_DOCUMENTED_MIXER_SEMANTICS
1020 s->mix.vol[mixtable[i].volidx] = ((unsigned int)r << 8) | l;
1021 #else
1022 s->mix.vol[mixtable[i].volidx] = val;
1023 #endif
1024 return put_user(s->mix.vol[mixtable[i].volidx], (int *)arg);
1025 }
1026 }
1027
1028 /* --------------------------------------------------------------------- */
1029
1030 static int es1370_open_mixdev(struct inode *inode, struct file *file)
1031 {
1032 int minor = MINOR(inode->i_rdev);
1033 struct list_head *list;
1034 struct es1370_state *s;
1035
1036 for (list = devs.next; ; list = list->next) {
1037 if (list == &devs)
1038 return -ENODEV;
1039 s = list_entry(list, struct es1370_state, devs);
1040 if (s->dev_mixer == minor)
1041 break;
1042 }
1043 VALIDATE_STATE(s);
1044 file->private_data = s;
1045 return 0;
1046 }
1047
1048 static int es1370_release_mixdev(struct inode *inode, struct file *file)
1049 {
1050 struct es1370_state *s = (struct es1370_state *)file->private_data;
1051
1052 VALIDATE_STATE(s);
1053 return 0;
1054 }
1055
1056 static int es1370_ioctl_mixdev(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
1057 {
1058 return mixer_ioctl((struct es1370_state *)file->private_data, cmd, arg);
1059 }
1060
1061 static /*const*/ struct file_operations es1370_mixer_fops = {
1062 owner: THIS_MODULE,
1063 llseek: no_llseek,
1064 ioctl: es1370_ioctl_mixdev,
1065 open: es1370_open_mixdev,
1066 release: es1370_release_mixdev,
1067 };
1068
1069 /* --------------------------------------------------------------------- */
1070
1071 static int drain_dac1(struct es1370_state *s, int nonblock)
1072 {
1073 DECLARE_WAITQUEUE(wait, current);
1074 unsigned long flags;
1075 int count, tmo;
1076
1077 if (s->dma_dac1.mapped || !s->dma_dac1.ready)
1078 return 0;
1079 add_wait_queue(&s->dma_dac1.wait, &wait);
1080 for (;;) {
1081 __set_current_state(TASK_INTERRUPTIBLE);
1082 spin_lock_irqsave(&s->lock, flags);
1083 count = s->dma_dac1.count;
1084 spin_unlock_irqrestore(&s->lock, flags);
1085 if (count <= 0)
1086 break;
1087 if (signal_pending(current))
1088 break;
1089 if (nonblock) {
1090 remove_wait_queue(&s->dma_dac1.wait, &wait);
1091 set_current_state(TASK_RUNNING);
1092 return -EBUSY;
1093 }
1094 tmo = 3 * HZ * (count + s->dma_dac1.fragsize) / 2
1095 / dac1_samplerate[(s->ctrl & CTRL_WTSRSEL) >> CTRL_SH_WTSRSEL];
1096 tmo >>= sample_shift[(s->sctrl & SCTRL_P1FMT) >> SCTRL_SH_P1FMT];
1097 if (!schedule_timeout(tmo + 1))
1098 DBG(printk(KERN_DEBUG "es1370: dma timed out??\n");)
1099 }
1100 remove_wait_queue(&s->dma_dac1.wait, &wait);
1101 set_current_state(TASK_RUNNING);
1102 if (signal_pending(current))
1103 return -ERESTARTSYS;
1104 return 0;
1105 }
1106
1107 static int drain_dac2(struct es1370_state *s, int nonblock)
1108 {
1109 DECLARE_WAITQUEUE(wait, current);
1110 unsigned long flags;
1111 int count, tmo;
1112
1113 if (s->dma_dac2.mapped || !s->dma_dac2.ready)
1114 return 0;
1115 add_wait_queue(&s->dma_dac2.wait, &wait);
1116 for (;;) {
1117 __set_current_state(TASK_INTERRUPTIBLE);
1118 spin_lock_irqsave(&s->lock, flags);
1119 count = s->dma_dac2.count;
1120 spin_unlock_irqrestore(&s->lock, flags);
1121 if (count <= 0)
1122 break;
1123 if (signal_pending(current))
1124 break;
1125 if (nonblock) {
1126 remove_wait_queue(&s->dma_dac2.wait, &wait);
1127 set_current_state(TASK_RUNNING);
1128 return -EBUSY;
1129 }
1130 tmo = 3 * HZ * (count + s->dma_dac2.fragsize) / 2
1131 / DAC2_DIVTOSR((s->ctrl & CTRL_PCLKDIV) >> CTRL_SH_PCLKDIV);
1132 tmo >>= sample_shift[(s->sctrl & SCTRL_P2FMT) >> SCTRL_SH_P2FMT];
1133 if (!schedule_timeout(tmo + 1))
1134 DBG(printk(KERN_DEBUG "es1370: dma timed out??\n");)
1135 }
1136 remove_wait_queue(&s->dma_dac2.wait, &wait);
1137 set_current_state(TASK_RUNNING);
1138 if (signal_pending(current))
1139 return -ERESTARTSYS;
1140 return 0;
1141 }
1142
1143 /* --------------------------------------------------------------------- */
1144
1145 static ssize_t es1370_read(struct file *file, char *buffer, size_t count, loff_t *ppos)
1146 {
1147 struct es1370_state *s = (struct es1370_state *)file->private_data;
1148 DECLARE_WAITQUEUE(wait, current);
1149 ssize_t ret = 0;
1150 unsigned long flags;
1151 unsigned swptr;
1152 int cnt;
1153
1154 VALIDATE_STATE(s);
1155 if (ppos != &file->f_pos)
1156 return -ESPIPE;
1157 if (s->dma_adc.mapped)
1158 return -ENXIO;
1159 if (!access_ok(VERIFY_WRITE, buffer, count))
1160 return -EFAULT;
1161 down(&s->sem);
1162 if (!s->dma_adc.ready && (ret = prog_dmabuf_adc(s)))
1163 goto out;
1164
1165 add_wait_queue(&s->dma_adc.wait, &wait);
1166 while (count > 0) {
1167 spin_lock_irqsave(&s->lock, flags);
1168 swptr = s->dma_adc.swptr;
1169 cnt = s->dma_adc.dmasize-swptr;
1170 if (s->dma_adc.count < cnt)
1171 cnt = s->dma_adc.count;
1172 if (cnt <= 0)
1173 __set_current_state(TASK_INTERRUPTIBLE);
1174 spin_unlock_irqrestore(&s->lock, flags);
1175 if (cnt > count)
1176 cnt = count;
1177 if (cnt <= 0) {
1178 if (s->dma_adc.enabled)
1179 start_adc(s);
1180 if (file->f_flags & O_NONBLOCK) {
1181 if (!ret)
1182 ret = -EAGAIN;
1183 goto out;
1184 }
1185 up(&s->sem);
1186 schedule();
1187 if (signal_pending(current)) {
1188 if (!ret)
1189 ret = -ERESTARTSYS;
1190 goto out;
1191 }
1192 down(&s->sem);
1193 if (s->dma_adc.mapped)
1194 {
1195 ret = -ENXIO;
1196 goto out;
1197 }
1198 continue;
1199 }
1200 if (copy_to_user(buffer, s->dma_adc.rawbuf + swptr, cnt)) {
1201 if (!ret)
1202 ret = -EFAULT;
1203 goto out;
1204 }
1205 swptr = (swptr + cnt) % s->dma_adc.dmasize;
1206 spin_lock_irqsave(&s->lock, flags);
1207 s->dma_adc.swptr = swptr;
1208 s->dma_adc.count -= cnt;
1209 spin_unlock_irqrestore(&s->lock, flags);
1210 count -= cnt;
1211 buffer += cnt;
1212 ret += cnt;
1213 if (s->dma_adc.enabled)
1214 start_adc(s);
1215 }
1216 out:
1217 up(&s->sem);
1218 remove_wait_queue(&s->dma_adc.wait, &wait);
1219 set_current_state(TASK_RUNNING);
1220 return ret;
1221 }
1222
1223 static ssize_t es1370_write(struct file *file, const char *buffer, size_t count, loff_t *ppos)
1224 {
1225 struct es1370_state *s = (struct es1370_state *)file->private_data;
1226 DECLARE_WAITQUEUE(wait, current);
1227 ssize_t ret = 0;
1228 unsigned long flags;
1229 unsigned swptr;
1230 int cnt;
1231
1232 VALIDATE_STATE(s);
1233 if (ppos != &file->f_pos)
1234 return -ESPIPE;
1235 if (s->dma_dac2.mapped)
1236 return -ENXIO;
1237 if (!access_ok(VERIFY_READ, buffer, count))
1238 return -EFAULT;
1239 down(&s->sem);
1240 if (!s->dma_dac2.ready && (ret = prog_dmabuf_dac2(s)))
1241 goto out;
1242 ret = 0;
1243 add_wait_queue(&s->dma_dac2.wait, &wait);
1244 while (count > 0) {
1245 spin_lock_irqsave(&s->lock, flags);
1246 if (s->dma_dac2.count < 0) {
1247 s->dma_dac2.count = 0;
1248 s->dma_dac2.swptr = s->dma_dac2.hwptr;
1249 }
1250 swptr = s->dma_dac2.swptr;
1251 cnt = s->dma_dac2.dmasize-swptr;
1252 if (s->dma_dac2.count + cnt > s->dma_dac2.dmasize)
1253 cnt = s->dma_dac2.dmasize - s->dma_dac2.count;
1254 if (cnt <= 0)
1255 __set_current_state(TASK_INTERRUPTIBLE);
1256 spin_unlock_irqrestore(&s->lock, flags);
1257 if (cnt > count)
1258 cnt = count;
1259 if (cnt <= 0) {
1260 if (s->dma_dac2.enabled)
1261 start_dac2(s);
1262 if (file->f_flags & O_NONBLOCK) {
1263 if (!ret)
1264 ret = -EAGAIN;
1265 goto out;
1266 }
1267 up(&s->sem);
1268 schedule();
1269 if (signal_pending(current)) {
1270 if (!ret)
1271 ret = -ERESTARTSYS;
1272 goto out;
1273 }
1274 down(&s->sem);
1275 if (s->dma_dac2.mapped)
1276 {
1277 ret = -ENXIO;
1278 goto out;
1279 }
1280 continue;
1281 }
1282 if (copy_from_user(s->dma_dac2.rawbuf + swptr, buffer, cnt)) {
1283 if (!ret)
1284 ret = -EFAULT;
1285 goto out;
1286 }
1287 swptr = (swptr + cnt) % s->dma_dac2.dmasize;
1288 spin_lock_irqsave(&s->lock, flags);
1289 s->dma_dac2.swptr = swptr;
1290 s->dma_dac2.count += cnt;
1291 s->dma_dac2.endcleared = 0;
1292 spin_unlock_irqrestore(&s->lock, flags);
1293 count -= cnt;
1294 buffer += cnt;
1295 ret += cnt;
1296 if (s->dma_dac2.enabled)
1297 start_dac2(s);
1298 }
1299 out:
1300 up(&s->sem);
1301 remove_wait_queue(&s->dma_dac2.wait, &wait);
1302 set_current_state(TASK_RUNNING);
1303 return ret;
1304 }
1305
1306 /* No kernel lock - we have our own spinlock */
1307 static unsigned int es1370_poll(struct file *file, struct poll_table_struct *wait)
1308 {
1309 struct es1370_state *s = (struct es1370_state *)file->private_data;
1310 unsigned long flags;
1311 unsigned int mask = 0;
1312
1313 VALIDATE_STATE(s);
1314 if (file->f_mode & FMODE_WRITE) {
1315 if (!s->dma_dac2.ready && prog_dmabuf_dac2(s))
1316 return 0;
1317 poll_wait(file, &s->dma_dac2.wait, wait);
1318 }
1319 if (file->f_mode & FMODE_READ) {
1320 if (!s->dma_adc.ready && prog_dmabuf_adc(s))
1321 return 0;
1322 poll_wait(file, &s->dma_adc.wait, wait);
1323 }
1324 spin_lock_irqsave(&s->lock, flags);
1325 es1370_update_ptr(s);
1326 if (file->f_mode & FMODE_READ) {
1327 if (s->dma_adc.count >= (signed)s->dma_adc.fragsize)
1328 mask |= POLLIN | POLLRDNORM;
1329 }
1330 if (file->f_mode & FMODE_WRITE) {
1331 if (s->dma_dac2.mapped) {
1332 if (s->dma_dac2.count >= (signed)s->dma_dac2.fragsize)
1333 mask |= POLLOUT | POLLWRNORM;
1334 } else {
1335 if ((signed)s->dma_dac2.dmasize >= s->dma_dac2.count + (signed)s->dma_dac2.fragsize)
1336 mask |= POLLOUT | POLLWRNORM;
1337 }
1338 }
1339 spin_unlock_irqrestore(&s->lock, flags);
1340 return mask;
1341 }
1342
1343 static int es1370_mmap(struct file *file, struct vm_area_struct *vma)
1344 {
1345 struct es1370_state *s = (struct es1370_state *)file->private_data;
1346 struct dmabuf *db;
1347 int ret = 0;
1348 unsigned long size;
1349
1350 VALIDATE_STATE(s);
1351 lock_kernel();
1352 down(&s->sem);
1353 if (vma->vm_flags & VM_WRITE) {
1354 if ((ret = prog_dmabuf_dac2(s)) != 0) {
1355 goto out;
1356 }
1357 db = &s->dma_dac2;
1358 } else if (vma->vm_flags & VM_READ) {
1359 if ((ret = prog_dmabuf_adc(s)) != 0) {
1360 goto out;
1361 }
1362 db = &s->dma_adc;
1363 } else {
1364 ret = -EINVAL;
1365 goto out;
1366 }
1367 if (vma->vm_pgoff != 0) {
1368 ret = -EINVAL;
1369 goto out;
1370 }
1371 size = vma->vm_end - vma->vm_start;
1372 if (size > (PAGE_SIZE << db->buforder)) {
1373 ret = -EINVAL;
1374 goto out;
1375 }
1376 if (remap_page_range(vma->vm_start, virt_to_phys(db->rawbuf), size, vma->vm_page_prot)) {
1377 ret = -EAGAIN;
1378 goto out;
1379 }
1380 db->mapped = 1;
1381 out:
1382 up(&s->sem);
1383 unlock_kernel();
1384 return ret;
1385 }
1386
1387 static int es1370_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
1388 {
1389 struct es1370_state *s = (struct es1370_state *)file->private_data;
1390 unsigned long flags;
1391 audio_buf_info abinfo;
1392 count_info cinfo;
1393 int count;
1394 int val, mapped, ret;
1395
1396 VALIDATE_STATE(s);
1397 mapped = ((file->f_mode & FMODE_WRITE) && s->dma_dac2.mapped) ||
1398 ((file->f_mode & FMODE_READ) && s->dma_adc.mapped);
1399 switch (cmd) {
1400 case OSS_GETVERSION:
1401 return put_user(SOUND_VERSION, (int *)arg);
1402
1403 case SNDCTL_DSP_SYNC:
1404 if (file->f_mode & FMODE_WRITE)
1405 return drain_dac2(s, 0/*file->f_flags & O_NONBLOCK*/);
1406 return 0;
1407
1408 case SNDCTL_DSP_SETDUPLEX:
1409 return 0;
1410
1411 case SNDCTL_DSP_GETCAPS:
1412 return put_user(DSP_CAP_DUPLEX | DSP_CAP_REALTIME | DSP_CAP_TRIGGER | DSP_CAP_MMAP, (int *)arg);
1413
1414 case SNDCTL_DSP_RESET:
1415 if (file->f_mode & FMODE_WRITE) {
1416 stop_dac2(s);
1417 synchronize_irq();
1418 s->dma_dac2.swptr = s->dma_dac2.hwptr = s->dma_dac2.count = s->dma_dac2.total_bytes = 0;
1419 }
1420 if (file->f_mode & FMODE_READ) {
1421 stop_adc(s);
1422 synchronize_irq();
1423 s->dma_adc.swptr = s->dma_adc.hwptr = s->dma_adc.count = s->dma_adc.total_bytes = 0;
1424 }
1425 return 0;
1426
1427 case SNDCTL_DSP_SPEED:
1428 if (get_user(val, (int *)arg))
1429 return -EFAULT;
1430 if (val >= 0) {
1431 if (s->open_mode & (~file->f_mode) & (FMODE_READ|FMODE_WRITE))
1432 return -EINVAL;
1433 if (val < 4000)
1434 val = 4000;
1435 if (val > 50000)
1436 val = 50000;
1437 stop_adc(s);
1438 stop_dac2(s);
1439 s->dma_adc.ready = s->dma_dac2.ready = 0;
1440 spin_lock_irqsave(&s->lock, flags);
1441 s->ctrl = (s->ctrl & ~CTRL_PCLKDIV) | (DAC2_SRTODIV(val) << CTRL_SH_PCLKDIV);
1442 outl(s->ctrl, s->io+ES1370_REG_CONTROL);
1443 spin_unlock_irqrestore(&s->lock, flags);
1444 }
1445 return put_user(DAC2_DIVTOSR((s->ctrl & CTRL_PCLKDIV) >> CTRL_SH_PCLKDIV), (int *)arg);
1446
1447 case SNDCTL_DSP_STEREO:
1448 if (get_user(val, (int *)arg))
1449 return -EFAULT;
1450 if (file->f_mode & FMODE_READ) {
1451 stop_adc(s);
1452 s->dma_adc.ready = 0;
1453 spin_lock_irqsave(&s->lock, flags);
1454 if (val)
1455 s->sctrl |= SCTRL_R1SMB;
1456 else
1457 s->sctrl &= ~SCTRL_R1SMB;
1458 outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL);
1459 spin_unlock_irqrestore(&s->lock, flags);
1460 }
1461 if (file->f_mode & FMODE_WRITE) {
1462 stop_dac2(s);
1463 s->dma_dac2.ready = 0;
1464 spin_lock_irqsave(&s->lock, flags);
1465 if (val)
1466 s->sctrl |= SCTRL_P2SMB;
1467 else
1468 s->sctrl &= ~SCTRL_P2SMB;
1469 outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL);
1470 spin_unlock_irqrestore(&s->lock, flags);
1471 }
1472 return 0;
1473
1474 case SNDCTL_DSP_CHANNELS:
1475 if (get_user(val, (int *)arg))
1476 return -EFAULT;
1477 if (val != 0) {
1478 if (file->f_mode & FMODE_READ) {
1479 stop_adc(s);
1480 s->dma_adc.ready = 0;
1481 spin_lock_irqsave(&s->lock, flags);
1482 if (val >= 2)
1483 s->sctrl |= SCTRL_R1SMB;
1484 else
1485 s->sctrl &= ~SCTRL_R1SMB;
1486 outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL);
1487 spin_unlock_irqrestore(&s->lock, flags);
1488 }
1489 if (file->f_mode & FMODE_WRITE) {
1490 stop_dac2(s);
1491 s->dma_dac2.ready = 0;
1492 spin_lock_irqsave(&s->lock, flags);
1493 if (val >= 2)
1494 s->sctrl |= SCTRL_P2SMB;
1495 else
1496 s->sctrl &= ~SCTRL_P2SMB;
1497 outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL);
1498 spin_unlock_irqrestore(&s->lock, flags);
1499 }
1500 }
1501 return put_user((s->sctrl & ((file->f_mode & FMODE_READ) ? SCTRL_R1SMB : SCTRL_P2SMB)) ? 2 : 1, (int *)arg);
1502
1503 case SNDCTL_DSP_GETFMTS: /* Returns a mask */
1504 return put_user(AFMT_S16_LE|AFMT_U8, (int *)arg);
1505
1506 case SNDCTL_DSP_SETFMT: /* Selects ONE fmt*/
1507 if (get_user(val, (int *)arg))
1508 return -EFAULT;
1509 if (val != AFMT_QUERY) {
1510 if (file->f_mode & FMODE_READ) {
1511 stop_adc(s);
1512 s->dma_adc.ready = 0;
1513 spin_lock_irqsave(&s->lock, flags);
1514 if (val == AFMT_S16_LE)
1515 s->sctrl |= SCTRL_R1SEB;
1516 else
1517 s->sctrl &= ~SCTRL_R1SEB;
1518 outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL);
1519 spin_unlock_irqrestore(&s->lock, flags);
1520 }
1521 if (file->f_mode & FMODE_WRITE) {
1522 stop_dac2(s);
1523 s->dma_dac2.ready = 0;
1524 spin_lock_irqsave(&s->lock, flags);
1525 if (val == AFMT_S16_LE)
1526 s->sctrl |= SCTRL_P2SEB;
1527 else
1528 s->sctrl &= ~SCTRL_P2SEB;
1529 outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL);
1530 spin_unlock_irqrestore(&s->lock, flags);
1531 }
1532 }
1533 return put_user((s->sctrl & ((file->f_mode & FMODE_READ) ? SCTRL_R1SEB : SCTRL_P2SEB)) ?
1534 AFMT_S16_LE : AFMT_U8, (int *)arg);
1535
1536 case SNDCTL_DSP_POST:
1537 return 0;
1538
1539 case SNDCTL_DSP_GETTRIGGER:
1540 val = 0;
1541 if (file->f_mode & FMODE_READ && s->ctrl & CTRL_ADC_EN)
1542 val |= PCM_ENABLE_INPUT;
1543 if (file->f_mode & FMODE_WRITE && s->ctrl & CTRL_DAC2_EN)
1544 val |= PCM_ENABLE_OUTPUT;
1545 return put_user(val, (int *)arg);
1546
1547 case SNDCTL_DSP_SETTRIGGER:
1548 if (get_user(val, (int *)arg))
1549 return -EFAULT;
1550 if (file->f_mode & FMODE_READ) {
1551 if (val & PCM_ENABLE_INPUT) {
1552 if (!s->dma_adc.ready && (ret = prog_dmabuf_adc(s)))
1553 return ret;
1554 s->dma_adc.enabled = 1;
1555 start_adc(s);
1556 } else {
1557 s->dma_adc.enabled = 0;
1558 stop_adc(s);
1559 }
1560 }
1561 if (file->f_mode & FMODE_WRITE) {
1562 if (val & PCM_ENABLE_OUTPUT) {
1563 if (!s->dma_dac2.ready && (ret = prog_dmabuf_dac2(s)))
1564 return ret;
1565 s->dma_dac2.enabled = 1;
1566 start_dac2(s);
1567 } else {
1568 s->dma_dac2.enabled = 0;
1569 stop_dac2(s);
1570 }
1571 }
1572 return 0;
1573
1574 case SNDCTL_DSP_GETOSPACE:
1575 if (!(file->f_mode & FMODE_WRITE))
1576 return -EINVAL;
1577 if (!s->dma_dac2.ready && (val = prog_dmabuf_dac2(s)) != 0)
1578 return val;
1579 spin_lock_irqsave(&s->lock, flags);
1580 es1370_update_ptr(s);
1581 abinfo.fragsize = s->dma_dac2.fragsize;
1582 count = s->dma_dac2.count;
1583 if (count < 0)
1584 count = 0;
1585 abinfo.bytes = s->dma_dac2.dmasize - count;
1586 abinfo.fragstotal = s->dma_dac2.numfrag;
1587 abinfo.fragments = abinfo.bytes >> s->dma_dac2.fragshift;
1588 spin_unlock_irqrestore(&s->lock, flags);
1589 return copy_to_user((void *)arg, &abinfo, sizeof(abinfo)) ? -EFAULT : 0;
1590
1591 case SNDCTL_DSP_GETISPACE:
1592 if (!(file->f_mode & FMODE_READ))
1593 return -EINVAL;
1594 if (!s->dma_adc.ready && (val = prog_dmabuf_adc(s)) != 0)
1595 return val;
1596 spin_lock_irqsave(&s->lock, flags);
1597 es1370_update_ptr(s);
1598 abinfo.fragsize = s->dma_adc.fragsize;
1599 count = s->dma_adc.count;
1600 if (count < 0)
1601 count = 0;
1602 abinfo.bytes = count;
1603 abinfo.fragstotal = s->dma_adc.numfrag;
1604 abinfo.fragments = abinfo.bytes >> s->dma_adc.fragshift;
1605 spin_unlock_irqrestore(&s->lock, flags);
1606 return copy_to_user((void *)arg, &abinfo, sizeof(abinfo)) ? -EFAULT : 0;
1607
1608 case SNDCTL_DSP_NONBLOCK:
1609 file->f_flags |= O_NONBLOCK;
1610 return 0;
1611
1612 case SNDCTL_DSP_GETODELAY:
1613 if (!(file->f_mode & FMODE_WRITE))
1614 return -EINVAL;
1615 if (!s->dma_dac2.ready && (val = prog_dmabuf_dac2(s)) != 0)
1616 return val;
1617 spin_lock_irqsave(&s->lock, flags);
1618 es1370_update_ptr(s);
1619 count = s->dma_dac2.count;
1620 spin_unlock_irqrestore(&s->lock, flags);
1621 if (count < 0)
1622 count = 0;
1623 return put_user(count, (int *)arg);
1624
1625 case SNDCTL_DSP_GETIPTR:
1626 if (!(file->f_mode & FMODE_READ))
1627 return -EINVAL;
1628 if (!s->dma_adc.ready && (val = prog_dmabuf_adc(s)) != 0)
1629 return val;
1630 spin_lock_irqsave(&s->lock, flags);
1631 es1370_update_ptr(s);
1632 cinfo.bytes = s->dma_adc.total_bytes;
1633 count = s->dma_adc.count;
1634 if (count < 0)
1635 count = 0;
1636 cinfo.blocks = count >> s->dma_adc.fragshift;
1637 cinfo.ptr = s->dma_adc.hwptr;
1638 if (s->dma_adc.mapped)
1639 s->dma_adc.count &= s->dma_adc.fragsize-1;
1640 spin_unlock_irqrestore(&s->lock, flags);
1641 return copy_to_user((void *)arg, &cinfo, sizeof(cinfo));
1642
1643 case SNDCTL_DSP_GETOPTR:
1644 if (!(file->f_mode & FMODE_WRITE))
1645 return -EINVAL;
1646 if (!s->dma_dac2.ready && (val = prog_dmabuf_dac2(s)) != 0)
1647 return val;
1648 spin_lock_irqsave(&s->lock, flags);
1649 es1370_update_ptr(s);
1650 cinfo.bytes = s->dma_dac2.total_bytes;
1651 count = s->dma_dac2.count;
1652 if (count < 0)
1653 count = 0;
1654 cinfo.blocks = count >> s->dma_dac2.fragshift;
1655 cinfo.ptr = s->dma_dac2.hwptr;
1656 if (s->dma_dac2.mapped)
1657 s->dma_dac2.count &= s->dma_dac2.fragsize-1;
1658 spin_unlock_irqrestore(&s->lock, flags);
1659 return copy_to_user((void *)arg, &cinfo, sizeof(cinfo));
1660
1661 case SNDCTL_DSP_GETBLKSIZE:
1662 if (file->f_mode & FMODE_WRITE) {
1663 if ((val = prog_dmabuf_dac2(s)))
1664 return val;
1665 return put_user(s->dma_dac2.fragsize, (int *)arg);
1666 }
1667 if ((val = prog_dmabuf_adc(s)))
1668 return val;
1669 return put_user(s->dma_adc.fragsize, (int *)arg);
1670
1671 case SNDCTL_DSP_SETFRAGMENT:
1672 if (get_user(val, (int *)arg))
1673 return -EFAULT;
1674 if (file->f_mode & FMODE_READ) {
1675 s->dma_adc.ossfragshift = val & 0xffff;
1676 s->dma_adc.ossmaxfrags = (val >> 16) & 0xffff;
1677 if (s->dma_adc.ossfragshift < 4)
1678 s->dma_adc.ossfragshift = 4;
1679 if (s->dma_adc.ossfragshift > 15)
1680 s->dma_adc.ossfragshift = 15;
1681 if (s->dma_adc.ossmaxfrags < 4)
1682 s->dma_adc.ossmaxfrags = 4;
1683 }
1684 if (file->f_mode & FMODE_WRITE) {
1685 s->dma_dac2.ossfragshift = val & 0xffff;
1686 s->dma_dac2.ossmaxfrags = (val >> 16) & 0xffff;
1687 if (s->dma_dac2.ossfragshift < 4)
1688 s->dma_dac2.ossfragshift = 4;
1689 if (s->dma_dac2.ossfragshift > 15)
1690 s->dma_dac2.ossfragshift = 15;
1691 if (s->dma_dac2.ossmaxfrags < 4)
1692 s->dma_dac2.ossmaxfrags = 4;
1693 }
1694 return 0;
1695
1696 case SNDCTL_DSP_SUBDIVIDE:
1697 if ((file->f_mode & FMODE_READ && s->dma_adc.subdivision) ||
1698 (file->f_mode & FMODE_WRITE && s->dma_dac2.subdivision))
1699 return -EINVAL;
1700 if (get_user(val, (int *)arg))
1701 return -EFAULT;
1702 if (val != 1 && val != 2 && val != 4)
1703 return -EINVAL;
1704 if (file->f_mode & FMODE_READ)
1705 s->dma_adc.subdivision = val;
1706 if (file->f_mode & FMODE_WRITE)
1707 s->dma_dac2.subdivision = val;
1708 return 0;
1709
1710 case SOUND_PCM_READ_RATE:
1711 return put_user(DAC2_DIVTOSR((s->ctrl & CTRL_PCLKDIV) >> CTRL_SH_PCLKDIV), (int *)arg);
1712
1713 case SOUND_PCM_READ_CHANNELS:
1714 return put_user((s->sctrl & ((file->f_mode & FMODE_READ) ? SCTRL_R1SMB : SCTRL_P2SMB)) ?
1715 2 : 1, (int *)arg);
1716
1717 case SOUND_PCM_READ_BITS:
1718 return put_user((s->sctrl & ((file->f_mode & FMODE_READ) ? SCTRL_R1SEB : SCTRL_P2SEB)) ?
1719 16 : 8, (int *)arg);
1720
1721 case SOUND_PCM_WRITE_FILTER:
1722 case SNDCTL_DSP_SETSYNCRO:
1723 case SOUND_PCM_READ_FILTER:
1724 return -EINVAL;
1725
1726 }
1727 return mixer_ioctl(s, cmd, arg);
1728 }
1729
1730 static int es1370_open(struct inode *inode, struct file *file)
1731 {
1732 int minor = MINOR(inode->i_rdev);
1733 DECLARE_WAITQUEUE(wait, current);
1734 unsigned long flags;
1735 struct list_head *list;
1736 struct es1370_state *s;
1737
1738 for (list = devs.next; ; list = list->next) {
1739 if (list == &devs)
1740 return -ENODEV;
1741 s = list_entry(list, struct es1370_state, devs);
1742 if (!((s->dev_audio ^ minor) & ~0xf))
1743 break;
1744 }
1745 VALIDATE_STATE(s);
1746 file->private_data = s;
1747 /* wait for device to become free */
1748 down(&s->open_sem);
1749 while (s->open_mode & file->f_mode) {
1750 if (file->f_flags & O_NONBLOCK) {
1751 up(&s->open_sem);
1752 return -EBUSY;
1753 }
1754 add_wait_queue(&s->open_wait, &wait);
1755 __set_current_state(TASK_INTERRUPTIBLE);
1756 up(&s->open_sem);
1757 schedule();
1758 remove_wait_queue(&s->open_wait, &wait);
1759 set_current_state(TASK_RUNNING);
1760 if (signal_pending(current))
1761 return -ERESTARTSYS;
1762 down(&s->open_sem);
1763 }
1764 spin_lock_irqsave(&s->lock, flags);
1765 if (!(s->open_mode & (FMODE_READ|FMODE_WRITE)))
1766 s->ctrl = (s->ctrl & ~CTRL_PCLKDIV) | (DAC2_SRTODIV(8000) << CTRL_SH_PCLKDIV);
1767 if (file->f_mode & FMODE_READ) {
1768 s->dma_adc.ossfragshift = s->dma_adc.ossmaxfrags = s->dma_adc.subdivision = 0;
1769 s->dma_adc.enabled = 1;
1770 s->sctrl &= ~SCTRL_R1FMT;
1771 if ((minor & 0xf) == SND_DEV_DSP16)
1772 s->sctrl |= ES1370_FMT_S16_MONO << SCTRL_SH_R1FMT;
1773 else
1774 s->sctrl |= ES1370_FMT_U8_MONO << SCTRL_SH_R1FMT;
1775 }
1776 if (file->f_mode & FMODE_WRITE) {
1777 s->dma_dac2.ossfragshift = s->dma_dac2.ossmaxfrags = s->dma_dac2.subdivision = 0;
1778 s->dma_dac2.enabled = 1;
1779 s->sctrl &= ~SCTRL_P2FMT;
1780 if ((minor & 0xf) == SND_DEV_DSP16)
1781 s->sctrl |= ES1370_FMT_S16_MONO << SCTRL_SH_P2FMT;
1782 else
1783 s->sctrl |= ES1370_FMT_U8_MONO << SCTRL_SH_P2FMT;
1784 }
1785 outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL);
1786 outl(s->ctrl, s->io+ES1370_REG_CONTROL);
1787 spin_unlock_irqrestore(&s->lock, flags);
1788 s->open_mode |= file->f_mode & (FMODE_READ | FMODE_WRITE);
1789 up(&s->open_sem);
1790 init_MUTEX(&s->sem);
1791 return 0;
1792 }
1793
1794 static int es1370_release(struct inode *inode, struct file *file)
1795 {
1796 struct es1370_state *s = (struct es1370_state *)file->private_data;
1797
1798 VALIDATE_STATE(s);
1799 lock_kernel();
1800 if (file->f_mode & FMODE_WRITE)
1801 drain_dac2(s, file->f_flags & O_NONBLOCK);
1802 down(&s->open_sem);
1803 if (file->f_mode & FMODE_WRITE) {
1804 stop_dac2(s);
1805 synchronize_irq();
1806 dealloc_dmabuf(s, &s->dma_dac2);
1807 }
1808 if (file->f_mode & FMODE_READ) {
1809 stop_adc(s);
1810 dealloc_dmabuf(s, &s->dma_adc);
1811 }
1812 s->open_mode &= (~file->f_mode) & (FMODE_READ|FMODE_WRITE);
1813 wake_up(&s->open_wait);
1814 up(&s->open_sem);
1815 unlock_kernel();
1816 return 0;
1817 }
1818
1819 static /*const*/ struct file_operations es1370_audio_fops = {
1820 owner: THIS_MODULE,
1821 llseek: no_llseek,
1822 read: es1370_read,
1823 write: es1370_write,
1824 poll: es1370_poll,
1825 ioctl: es1370_ioctl,
1826 mmap: es1370_mmap,
1827 open: es1370_open,
1828 release: es1370_release,
1829 };
1830
1831 /* --------------------------------------------------------------------- */
1832
1833 static ssize_t es1370_write_dac(struct file *file, const char *buffer, size_t count, loff_t *ppos)
1834 {
1835 struct es1370_state *s = (struct es1370_state *)file->private_data;
1836 DECLARE_WAITQUEUE(wait, current);
1837 ssize_t ret = 0;
1838 unsigned long flags;
1839 unsigned swptr;
1840 int cnt;
1841
1842 VALIDATE_STATE(s);
1843 if (ppos != &file->f_pos)
1844 return -ESPIPE;
1845 if (s->dma_dac1.mapped)
1846 return -ENXIO;
1847 if (!s->dma_dac1.ready && (ret = prog_dmabuf_dac1(s)))
1848 return ret;
1849 if (!access_ok(VERIFY_READ, buffer, count))
1850 return -EFAULT;
1851 add_wait_queue(&s->dma_dac1.wait, &wait);
1852 while (count > 0) {
1853 spin_lock_irqsave(&s->lock, flags);
1854 if (s->dma_dac1.count < 0) {
1855 s->dma_dac1.count = 0;
1856 s->dma_dac1.swptr = s->dma_dac1.hwptr;
1857 }
1858 swptr = s->dma_dac1.swptr;
1859 cnt = s->dma_dac1.dmasize-swptr;
1860 if (s->dma_dac1.count + cnt > s->dma_dac1.dmasize)
1861 cnt = s->dma_dac1.dmasize - s->dma_dac1.count;
1862 if (cnt <= 0)
1863 __set_current_state(TASK_INTERRUPTIBLE);
1864 spin_unlock_irqrestore(&s->lock, flags);
1865 if (cnt > count)
1866 cnt = count;
1867 if (cnt <= 0) {
1868 if (s->dma_dac1.enabled)
1869 start_dac1(s);
1870 if (file->f_flags & O_NONBLOCK) {
1871 if (!ret)
1872 ret = -EAGAIN;
1873 break;
1874 }
1875 schedule();
1876 if (signal_pending(current)) {
1877 if (!ret)
1878 ret = -ERESTARTSYS;
1879 break;
1880 }
1881 continue;
1882 }
1883 if (copy_from_user(s->dma_dac1.rawbuf + swptr, buffer, cnt)) {
1884 if (!ret)
1885 ret = -EFAULT;
1886 break;
1887 }
1888 swptr = (swptr + cnt) % s->dma_dac1.dmasize;
1889 spin_lock_irqsave(&s->lock, flags);
1890 s->dma_dac1.swptr = swptr;
1891 s->dma_dac1.count += cnt;
1892 s->dma_dac1.endcleared = 0;
1893 spin_unlock_irqrestore(&s->lock, flags);
1894 count -= cnt;
1895 buffer += cnt;
1896 ret += cnt;
1897 if (s->dma_dac1.enabled)
1898 start_dac1(s);
1899 }
1900 remove_wait_queue(&s->dma_dac1.wait, &wait);
1901 set_current_state(TASK_RUNNING);
1902 return ret;
1903 }
1904
1905 /* No kernel lock - we have our own spinlock */
1906 static unsigned int es1370_poll_dac(struct file *file, struct poll_table_struct *wait)
1907 {
1908 struct es1370_state *s = (struct es1370_state *)file->private_data;
1909 unsigned long flags;
1910 unsigned int mask = 0;
1911
1912 VALIDATE_STATE(s);
1913 if (!s->dma_dac1.ready && prog_dmabuf_dac1(s))
1914 return 0;
1915 poll_wait(file, &s->dma_dac1.wait, wait);
1916 spin_lock_irqsave(&s->lock, flags);
1917 es1370_update_ptr(s);
1918 if (s->dma_dac1.mapped) {
1919 if (s->dma_dac1.count >= (signed)s->dma_dac1.fragsize)
1920 mask |= POLLOUT | POLLWRNORM;
1921 } else {
1922 if ((signed)s->dma_dac1.dmasize >= s->dma_dac1.count + (signed)s->dma_dac1.fragsize)
1923 mask |= POLLOUT | POLLWRNORM;
1924 }
1925 spin_unlock_irqrestore(&s->lock, flags);
1926 return mask;
1927 }
1928
1929 static int es1370_mmap_dac(struct file *file, struct vm_area_struct *vma)
1930 {
1931 struct es1370_state *s = (struct es1370_state *)file->private_data;
1932 int ret;
1933 unsigned long size;
1934
1935 VALIDATE_STATE(s);
1936 if (!(vma->vm_flags & VM_WRITE))
1937 return -EINVAL;
1938 lock_kernel();
1939 if ((ret = prog_dmabuf_dac1(s)) != 0)
1940 goto out;
1941 ret = -EINVAL;
1942 if (vma->vm_pgoff != 0)
1943 goto out;
1944 size = vma->vm_end - vma->vm_start;
1945 if (size > (PAGE_SIZE << s->dma_dac1.buforder))
1946 goto out;
1947 ret = -EAGAIN;
1948 if (remap_page_range(vma->vm_start, virt_to_phys(s->dma_dac1.rawbuf), size, vma->vm_page_prot))
1949 goto out;
1950 s->dma_dac1.mapped = 1;
1951 ret = 0;
1952 out:
1953 unlock_kernel();
1954 return ret;
1955 }
1956
1957 static int es1370_ioctl_dac(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
1958 {
1959 struct es1370_state *s = (struct es1370_state *)file->private_data;
1960 unsigned long flags;
1961 audio_buf_info abinfo;
1962 count_info cinfo;
1963 int count;
1964 unsigned ctrl;
1965 int val, ret;
1966
1967 VALIDATE_STATE(s);
1968 switch (cmd) {
1969 case OSS_GETVERSION:
1970 return put_user(SOUND_VERSION, (int *)arg);
1971
1972 case SNDCTL_DSP_SYNC:
1973 return drain_dac1(s, 0/*file->f_flags & O_NONBLOCK*/);
1974
1975 case SNDCTL_DSP_SETDUPLEX:
1976 return -EINVAL;
1977
1978 case SNDCTL_DSP_GETCAPS:
1979 return put_user(DSP_CAP_REALTIME | DSP_CAP_TRIGGER | DSP_CAP_MMAP, (int *)arg);
1980
1981 case SNDCTL_DSP_RESET:
1982 stop_dac1(s);
1983 synchronize_irq();
1984 s->dma_dac1.swptr = s->dma_dac1.hwptr = s->dma_dac1.count = s->dma_dac1.total_bytes = 0;
1985 return 0;
1986
1987 case SNDCTL_DSP_SPEED:
1988 if (get_user(val, (int *)arg))
1989 return -EFAULT;
1990 if (val >= 0) {
1991 stop_dac1(s);
1992 s->dma_dac1.ready = 0;
1993 for (ctrl = 0; ctrl <= 2; ctrl++)
1994 if (val < (dac1_samplerate[ctrl] + dac1_samplerate[ctrl+1]) / 2)
1995 break;
1996 spin_lock_irqsave(&s->lock, flags);
1997 s->ctrl = (s->ctrl & ~CTRL_WTSRSEL) | (ctrl << CTRL_SH_WTSRSEL);
1998 outl(s->ctrl, s->io+ES1370_REG_CONTROL);
1999 spin_unlock_irqrestore(&s->lock, flags);
2000 }
2001 return put_user(dac1_samplerate[(s->ctrl & CTRL_WTSRSEL) >> CTRL_SH_WTSRSEL], (int *)arg);
2002
2003 case SNDCTL_DSP_STEREO:
2004 if (get_user(val, (int *)arg))
2005 return -EFAULT;
2006 stop_dac1(s);
2007 s->dma_dac1.ready = 0;
2008 spin_lock_irqsave(&s->lock, flags);
2009 if (val)
2010 s->sctrl |= SCTRL_P1SMB;
2011 else
2012 s->sctrl &= ~SCTRL_P1SMB;
2013 outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL);
2014 spin_unlock_irqrestore(&s->lock, flags);
2015 return 0;
2016
2017 case SNDCTL_DSP_CHANNELS:
2018 if (get_user(val, (int *)arg))
2019 return -EFAULT;
2020 if (val != 0) {
2021 if (s->dma_dac1.mapped)
2022 return -EINVAL;
2023 stop_dac1(s);
2024 s->dma_dac1.ready = 0;
2025 spin_lock_irqsave(&s->lock, flags);
2026 if (val >= 2)
2027 s->sctrl |= SCTRL_P1SMB;
2028 else
2029 s->sctrl &= ~SCTRL_P1SMB;
2030 outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL);
2031 spin_unlock_irqrestore(&s->lock, flags);
2032 }
2033 return put_user((s->sctrl & SCTRL_P1SMB) ? 2 : 1, (int *)arg);
2034
2035 case SNDCTL_DSP_GETFMTS: /* Returns a mask */
2036 return put_user(AFMT_S16_LE|AFMT_U8, (int *)arg);
2037
2038 case SNDCTL_DSP_SETFMT: /* Selects ONE fmt*/
2039 if (get_user(val, (int *)arg))
2040 return -EFAULT;
2041 if (val != AFMT_QUERY) {
2042 stop_dac1(s);
2043 s->dma_dac1.ready = 0;
2044 spin_lock_irqsave(&s->lock, flags);
2045 if (val == AFMT_S16_LE)
2046 s->sctrl |= SCTRL_P1SEB;
2047 else
2048 s->sctrl &= ~SCTRL_P1SEB;
2049 outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL);
2050 spin_unlock_irqrestore(&s->lock, flags);
2051 }
2052 return put_user((s->sctrl & SCTRL_P1SEB) ? AFMT_S16_LE : AFMT_U8, (int *)arg);
2053
2054 case SNDCTL_DSP_POST:
2055 return 0;
2056
2057 case SNDCTL_DSP_GETTRIGGER:
2058 return put_user((s->ctrl & CTRL_DAC1_EN) ? PCM_ENABLE_OUTPUT : 0, (int *)arg);
2059
2060 case SNDCTL_DSP_SETTRIGGER:
2061 if (get_user(val, (int *)arg))
2062 return -EFAULT;
2063 if (val & PCM_ENABLE_OUTPUT) {
2064 if (!s->dma_dac1.ready && (ret = prog_dmabuf_dac1(s)))
2065 return ret;
2066 s->dma_dac1.enabled = 1;
2067 start_dac1(s);
2068 } else {
2069 s->dma_dac1.enabled = 0;
2070 stop_dac1(s);
2071 }
2072 return 0;
2073
2074 case SNDCTL_DSP_GETOSPACE:
2075 if (!s->dma_dac1.ready && (val = prog_dmabuf_dac1(s)) != 0)
2076 return val;
2077 spin_lock_irqsave(&s->lock, flags);
2078 es1370_update_ptr(s);
2079 abinfo.fragsize = s->dma_dac1.fragsize;
2080 count = s->dma_dac1.count;
2081 if (count < 0)
2082 count = 0;
2083 abinfo.bytes = s->dma_dac1.dmasize - count;
2084 abinfo.fragstotal = s->dma_dac1.numfrag;
2085 abinfo.fragments = abinfo.bytes >> s->dma_dac1.fragshift;
2086 spin_unlock_irqrestore(&s->lock, flags);
2087 return copy_to_user((void *)arg, &abinfo, sizeof(abinfo)) ? -EFAULT : 0;
2088
2089 case SNDCTL_DSP_NONBLOCK:
2090 file->f_flags |= O_NONBLOCK;
2091 return 0;
2092
2093 case SNDCTL_DSP_GETODELAY:
2094 if (!s->dma_dac1.ready && (val = prog_dmabuf_dac1(s)) != 0)
2095 return val;
2096 spin_lock_irqsave(&s->lock, flags);
2097 es1370_update_ptr(s);
2098 count = s->dma_dac1.count;
2099 spin_unlock_irqrestore(&s->lock, flags);
2100 if (count < 0)
2101 count = 0;
2102 return put_user(count, (int *)arg);
2103
2104 case SNDCTL_DSP_GETOPTR:
2105 if (!s->dma_dac1.ready && (val = prog_dmabuf_dac1(s)) != 0)
2106 return val;
2107 spin_lock_irqsave(&s->lock, flags);
2108 es1370_update_ptr(s);
2109 cinfo.bytes = s->dma_dac1.total_bytes;
2110 count = s->dma_dac1.count;
2111 if (count < 0)
2112 count = 0;
2113 cinfo.blocks = count >> s->dma_dac1.fragshift;
2114 cinfo.ptr = s->dma_dac1.hwptr;
2115 if (s->dma_dac1.mapped)
2116 s->dma_dac1.count &= s->dma_dac1.fragsize-1;
2117 spin_unlock_irqrestore(&s->lock, flags);
2118 return copy_to_user((void *)arg, &cinfo, sizeof(cinfo));
2119
2120 case SNDCTL_DSP_GETBLKSIZE:
2121 if ((val = prog_dmabuf_dac1(s)))
2122 return val;
2123 return put_user(s->dma_dac1.fragsize, (int *)arg);
2124
2125 case SNDCTL_DSP_SETFRAGMENT:
2126 if (get_user(val, (int *)arg))
2127 return -EFAULT;
2128 s->dma_dac1.ossfragshift = val & 0xffff;
2129 s->dma_dac1.ossmaxfrags = (val >> 16) & 0xffff;
2130 if (s->dma_dac1.ossfragshift < 4)
2131 s->dma_dac1.ossfragshift = 4;
2132 if (s->dma_dac1.ossfragshift > 15)
2133 s->dma_dac1.ossfragshift = 15;
2134 if (s->dma_dac1.ossmaxfrags < 4)
2135 s->dma_dac1.ossmaxfrags = 4;
2136 return 0;
2137
2138 case SNDCTL_DSP_SUBDIVIDE:
2139 if (s->dma_dac1.subdivision)
2140 return -EINVAL;
2141 if (get_user(val, (int *)arg))
2142 return -EFAULT;
2143 if (val != 1 && val != 2 && val != 4)
2144 return -EINVAL;
2145 s->dma_dac1.subdivision = val;
2146 return 0;
2147
2148 case SOUND_PCM_READ_RATE:
2149 return put_user(dac1_samplerate[(s->ctrl & CTRL_WTSRSEL) >> CTRL_SH_WTSRSEL], (int *)arg);
2150
2151 case SOUND_PCM_READ_CHANNELS:
2152 return put_user((s->sctrl & SCTRL_P1SMB) ? 2 : 1, (int *)arg);
2153
2154 case SOUND_PCM_READ_BITS:
2155 return put_user((s->sctrl & SCTRL_P1SEB) ? 16 : 8, (int *)arg);
2156
2157 case SOUND_PCM_WRITE_FILTER:
2158 case SNDCTL_DSP_SETSYNCRO:
2159 case SOUND_PCM_READ_FILTER:
2160 return -EINVAL;
2161
2162 }
2163 return mixer_ioctl(s, cmd, arg);
2164 }
2165
2166 static int es1370_open_dac(struct inode *inode, struct file *file)
2167 {
2168 int minor = MINOR(inode->i_rdev);
2169 DECLARE_WAITQUEUE(wait, current);
2170 unsigned long flags;
2171 struct list_head *list;
2172 struct es1370_state *s;
2173
2174 for (list = devs.next; ; list = list->next) {
2175 if (list == &devs)
2176 return -ENODEV;
2177 s = list_entry(list, struct es1370_state, devs);
2178 if (!((s->dev_dac ^ minor) & ~0xf))
2179 break;
2180 }
2181 VALIDATE_STATE(s);
2182 /* we allow opening with O_RDWR, most programs do it although they will only write */
2183 #if 0
2184 if (file->f_mode & FMODE_READ)
2185 return -EPERM;
2186 #endif
2187 if (!(file->f_mode & FMODE_WRITE))
2188 return -EINVAL;
2189 file->private_data = s;
2190 /* wait for device to become free */
2191 down(&s->open_sem);
2192 while (s->open_mode & FMODE_DAC) {
2193 if (file->f_flags & O_NONBLOCK) {
2194 up(&s->open_sem);
2195 return -EBUSY;
2196 }
2197 add_wait_queue(&s->open_wait, &wait);
2198 __set_current_state(TASK_INTERRUPTIBLE);
2199 up(&s->open_sem);
2200 schedule();
2201 remove_wait_queue(&s->open_wait, &wait);
2202 set_current_state(TASK_RUNNING);
2203 if (signal_pending(current))
2204 return -ERESTARTSYS;
2205 down(&s->open_sem);
2206 }
2207 s->dma_dac1.ossfragshift = s->dma_dac1.ossmaxfrags = s->dma_dac1.subdivision = 0;
2208 s->dma_dac1.enabled = 1;
2209 spin_lock_irqsave(&s->lock, flags);
2210 s->ctrl = (s->ctrl & ~CTRL_WTSRSEL) | (1 << CTRL_SH_WTSRSEL);
2211 s->sctrl &= ~SCTRL_P1FMT;
2212 if ((minor & 0xf) == SND_DEV_DSP16)
2213 s->sctrl |= ES1370_FMT_S16_MONO << SCTRL_SH_P1FMT;
2214 else
2215 s->sctrl |= ES1370_FMT_U8_MONO << SCTRL_SH_P1FMT;
2216 outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL);
2217 outl(s->ctrl, s->io+ES1370_REG_CONTROL);
2218 spin_unlock_irqrestore(&s->lock, flags);
2219 s->open_mode |= FMODE_DAC;
2220 up(&s->open_sem);
2221 return 0;
2222 }
2223
2224 static int es1370_release_dac(struct inode *inode, struct file *file)
2225 {
2226 struct es1370_state *s = (struct es1370_state *)file->private_data;
2227
2228 VALIDATE_STATE(s);
2229 lock_kernel();
2230 drain_dac1(s, file->f_flags & O_NONBLOCK);
2231 down(&s->open_sem);
2232 stop_dac1(s);
2233 dealloc_dmabuf(s, &s->dma_dac1);
2234 s->open_mode &= ~FMODE_DAC;
2235 wake_up(&s->open_wait);
2236 up(&s->open_sem);
2237 unlock_kernel();
2238 return 0;
2239 }
2240
2241 static /*const*/ struct file_operations es1370_dac_fops = {
2242 owner: THIS_MODULE,
2243 llseek: no_llseek,
2244 write: es1370_write_dac,
2245 poll: es1370_poll_dac,
2246 ioctl: es1370_ioctl_dac,
2247 mmap: es1370_mmap_dac,
2248 open: es1370_open_dac,
2249 release: es1370_release_dac,
2250 };
2251
2252 /* --------------------------------------------------------------------- */
2253
2254 static ssize_t es1370_midi_read(struct file *file, char *buffer, size_t count, loff_t *ppos)
2255 {
2256 struct es1370_state *s = (struct es1370_state *)file->private_data;
2257 DECLARE_WAITQUEUE(wait, current);
2258 ssize_t ret;
2259 unsigned long flags;
2260 unsigned ptr;
2261 int cnt;
2262
2263 VALIDATE_STATE(s);
2264 if (ppos != &file->f_pos)
2265 return -ESPIPE;
2266 if (!access_ok(VERIFY_WRITE, buffer, count))
2267 return -EFAULT;
2268 if (count == 0)
2269 return 0;
2270 ret = 0;
2271 add_wait_queue(&s->midi.iwait, &wait);
2272 while (count > 0) {
2273 spin_lock_irqsave(&s->lock, flags);
2274 ptr = s->midi.ird;
2275 cnt = MIDIINBUF - ptr;
2276 if (s->midi.icnt < cnt)
2277 cnt = s->midi.icnt;
2278 if (cnt <= 0)
2279 __set_current_state(TASK_INTERRUPTIBLE);
2280 spin_unlock_irqrestore(&s->lock, flags);
2281 if (cnt > count)
2282 cnt = count;
2283 if (cnt <= 0) {
2284 if (file->f_flags & O_NONBLOCK) {
2285 if (!ret)
2286 ret = -EAGAIN;
2287 break;
2288 }
2289 schedule();
2290 if (signal_pending(current)) {
2291 if (!ret)
2292 ret = -ERESTARTSYS;
2293 break;
2294 }
2295 continue;
2296 }
2297 if (copy_to_user(buffer, s->midi.ibuf + ptr, cnt)) {
2298 if (!ret)
2299 ret = -EFAULT;
2300 break;
2301 }
2302 ptr = (ptr + cnt) % MIDIINBUF;
2303 spin_lock_irqsave(&s->lock, flags);
2304 s->midi.ird = ptr;
2305 s->midi.icnt -= cnt;
2306 spin_unlock_irqrestore(&s->lock, flags);
2307 count -= cnt;
2308 buffer += cnt;
2309 ret += cnt;
2310 break;
2311 }
2312 __set_current_state(TASK_RUNNING);
2313 remove_wait_queue(&s->midi.iwait, &wait);
2314 return ret;
2315 }
2316
2317 static ssize_t es1370_midi_write(struct file *file, const char *buffer, size_t count, loff_t *ppos)
2318 {
2319 struct es1370_state *s = (struct es1370_state *)file->private_data;
2320 DECLARE_WAITQUEUE(wait, current);
2321 ssize_t ret;
2322 unsigned long flags;
2323 unsigned ptr;
2324 int cnt;
2325
2326 VALIDATE_STATE(s);
2327 if (ppos != &file->f_pos)
2328 return -ESPIPE;
2329 if (!access_ok(VERIFY_READ, buffer, count))
2330 return -EFAULT;
2331 if (count == 0)
2332 return 0;
2333 ret = 0;
2334 add_wait_queue(&s->midi.owait, &wait);
2335 while (count > 0) {
2336 spin_lock_irqsave(&s->lock, flags);
2337 ptr = s->midi.owr;
2338 cnt = MIDIOUTBUF - ptr;
2339 if (s->midi.ocnt + cnt > MIDIOUTBUF)
2340 cnt = MIDIOUTBUF - s->midi.ocnt;
2341 if (cnt <= 0) {
2342 __set_current_state(TASK_INTERRUPTIBLE);
2343 es1370_handle_midi(s);
2344 }
2345 spin_unlock_irqrestore(&s->lock, flags);
2346 if (cnt > count)
2347 cnt = count;
2348 if (cnt <= 0) {
2349 if (file->f_flags & O_NONBLOCK) {
2350 if (!ret)
2351 ret = -EAGAIN;
2352 break;
2353 }
2354 schedule();
2355 if (signal_pending(current)) {
2356 if (!ret)
2357 ret = -ERESTARTSYS;
2358 break;
2359 }
2360 continue;
2361 }
2362 if (copy_from_user(s->midi.obuf + ptr, buffer, cnt)) {
2363 if (!ret)
2364 ret = -EFAULT;
2365 break;
2366 }
2367 ptr = (ptr + cnt) % MIDIOUTBUF;
2368 spin_lock_irqsave(&s->lock, flags);
2369 s->midi.owr = ptr;
2370 s->midi.ocnt += cnt;
2371 spin_unlock_irqrestore(&s->lock, flags);
2372 count -= cnt;
2373 buffer += cnt;
2374 ret += cnt;
2375 spin_lock_irqsave(&s->lock, flags);
2376 es1370_handle_midi(s);
2377 spin_unlock_irqrestore(&s->lock, flags);
2378 }
2379 __set_current_state(TASK_RUNNING);
2380 remove_wait_queue(&s->midi.owait, &wait);
2381 return ret;
2382 }
2383
2384 /* No kernel lock - we have our own spinlock */
2385 static unsigned int es1370_midi_poll(struct file *file, struct poll_table_struct *wait)
2386 {
2387 struct es1370_state *s = (struct es1370_state *)file->private_data;
2388 unsigned long flags;
2389 unsigned int mask = 0;
2390
2391 VALIDATE_STATE(s);
2392 if (file->f_mode & FMODE_WRITE)
2393 poll_wait(file, &s->midi.owait, wait);
2394 if (file->f_mode & FMODE_READ)
2395 poll_wait(file, &s->midi.iwait, wait);
2396 spin_lock_irqsave(&s->lock, flags);
2397 if (file->f_mode & FMODE_READ) {
2398 if (s->midi.icnt > 0)
2399 mask |= POLLIN | POLLRDNORM;
2400 }
2401 if (file->f_mode & FMODE_WRITE) {
2402 if (s->midi.ocnt < MIDIOUTBUF)
2403 mask |= POLLOUT | POLLWRNORM;
2404 }
2405 spin_unlock_irqrestore(&s->lock, flags);
2406 return mask;
2407 }
2408
2409 static int es1370_midi_open(struct inode *inode, struct file *file)
2410 {
2411 int minor = MINOR(inode->i_rdev);
2412 DECLARE_WAITQUEUE(wait, current);
2413 unsigned long flags;
2414 struct list_head *list;
2415 struct es1370_state *s;
2416
2417 for (list = devs.next; ; list = list->next) {
2418 if (list == &devs)
2419 return -ENODEV;
2420 s = list_entry(list, struct es1370_state, devs);
2421 if (s->dev_midi == minor)
2422 break;
2423 }
2424 VALIDATE_STATE(s);
2425 file->private_data = s;
2426 /* wait for device to become free */
2427 down(&s->open_sem);
2428 while (s->open_mode & (file->f_mode << FMODE_MIDI_SHIFT)) {
2429 if (file->f_flags & O_NONBLOCK) {
2430 up(&s->open_sem);
2431 return -EBUSY;
2432 }
2433 add_wait_queue(&s->open_wait, &wait);
2434 __set_current_state(TASK_INTERRUPTIBLE);
2435 up(&s->open_sem);
2436 schedule();
2437 remove_wait_queue(&s->open_wait, &wait);
2438 set_current_state(TASK_RUNNING);
2439 if (signal_pending(current))
2440 return -ERESTARTSYS;
2441 down(&s->open_sem);
2442 }
2443 spin_lock_irqsave(&s->lock, flags);
2444 if (!(s->open_mode & (FMODE_MIDI_READ | FMODE_MIDI_WRITE))) {
2445 s->midi.ird = s->midi.iwr = s->midi.icnt = 0;
2446 s->midi.ord = s->midi.owr = s->midi.ocnt = 0;
2447 outb(UCTRL_CNTRL_SWR, s->io+ES1370_REG_UART_CONTROL);
2448 outb(0, s->io+ES1370_REG_UART_CONTROL);
2449 outb(0, s->io+ES1370_REG_UART_TEST);
2450 }
2451 if (file->f_mode & FMODE_READ) {
2452 s->midi.ird = s->midi.iwr = s->midi.icnt = 0;
2453 }
2454 if (file->f_mode & FMODE_WRITE) {
2455 s->midi.ord = s->midi.owr = s->midi.ocnt = 0;
2456 }
2457 s->ctrl |= CTRL_UART_EN;
2458 outl(s->ctrl, s->io+ES1370_REG_CONTROL);
2459 es1370_handle_midi(s);
2460 spin_unlock_irqrestore(&s->lock, flags);
2461 s->open_mode |= (file->f_mode << FMODE_MIDI_SHIFT) & (FMODE_MIDI_READ | FMODE_MIDI_WRITE);
2462 up(&s->open_sem);
2463 return 0;
2464 }
2465
2466 static int es1370_midi_release(struct inode *inode, struct file *file)
2467 {
2468 struct es1370_state *s = (struct es1370_state *)file->private_data;
2469 DECLARE_WAITQUEUE(wait, current);
2470 unsigned long flags;
2471 unsigned count, tmo;
2472
2473 VALIDATE_STATE(s);
2474
2475 lock_kernel();
2476 if (file->f_mode & FMODE_WRITE) {
2477 add_wait_queue(&s->midi.owait, &wait);
2478 for (;;) {
2479 __set_current_state(TASK_INTERRUPTIBLE);
2480 spin_lock_irqsave(&s->lock, flags);
2481 count = s->midi.ocnt;
2482 spin_unlock_irqrestore(&s->lock, flags);
2483 if (count <= 0)
2484 break;
2485 if (signal_pending(current))
2486 break;
2487 if (file->f_flags & O_NONBLOCK) {
2488 remove_wait_queue(&s->midi.owait, &wait);
2489 set_current_state(TASK_RUNNING);
2490 unlock_kernel();
2491 return -EBUSY;
2492 }
2493 tmo = (count * HZ) / 3100;
2494 if (!schedule_timeout(tmo ? : 1) && tmo)
2495 DBG(printk(KERN_DEBUG "es1370: midi timed out??\n");)
2496 }
2497 remove_wait_queue(&s->midi.owait, &wait);
2498 set_current_state(TASK_RUNNING);
2499 }
2500 down(&s->open_sem);
2501 s->open_mode &= (~(file->f_mode << FMODE_MIDI_SHIFT)) & (FMODE_MIDI_READ|FMODE_MIDI_WRITE);
2502 spin_lock_irqsave(&s->lock, flags);
2503 if (!(s->open_mode & (FMODE_MIDI_READ | FMODE_MIDI_WRITE))) {
2504 s->ctrl &= ~CTRL_UART_EN;
2505 outl(s->ctrl, s->io+ES1370_REG_CONTROL);
2506 }
2507 spin_unlock_irqrestore(&s->lock, flags);
2508 wake_up(&s->open_wait);
2509 up(&s->open_sem);
2510 unlock_kernel();
2511 return 0;
2512 }
2513
2514 static /*const*/ struct file_operations es1370_midi_fops = {
2515 owner: THIS_MODULE,
2516 llseek: no_llseek,
2517 read: es1370_midi_read,
2518 write: es1370_midi_write,
2519 poll: es1370_midi_poll,
2520 open: es1370_midi_open,
2521 release: es1370_midi_release,
2522 };
2523
2524 /* --------------------------------------------------------------------- */
2525
2526 /* maximum number of devices; only used for command line params */
2527 #define NR_DEVICE 5
2528
2529 static int joystick[NR_DEVICE] = { 0, };
2530 static int lineout[NR_DEVICE] = { 0, };
2531 static int micbias[NR_DEVICE] = { 0, };
2532
2533 static unsigned int devindex = 0;
2534
2535 MODULE_PARM(joystick, "1-" __MODULE_STRING(NR_DEVICE) "i");
2536 MODULE_PARM_DESC(joystick, "if 1 enables joystick interface (still need separate driver)");
2537 MODULE_PARM(lineout, "1-" __MODULE_STRING(NR_DEVICE) "i");
2538 MODULE_PARM_DESC(lineout, "if 1 the LINE input is converted to LINE out");
2539 MODULE_PARM(micbias, "1-" __MODULE_STRING(NR_DEVICE) "i");
2540 MODULE_PARM_DESC(micbias, "sets the +5V bias for an electret microphone");
2541
2542 MODULE_AUTHOR("Thomas M. Sailer, sailer@ife.ee.ethz.ch, hb9jnx@hb9w.che.eu");
2543 MODULE_DESCRIPTION("ES1370 AudioPCI Driver");
2544
2545 /* --------------------------------------------------------------------- */
2546
2547 static struct initvol {
2548 int mixch;
2549 int vol;
2550 } initvol[] __initdata = {
2551 { SOUND_MIXER_WRITE_VOLUME, 0x4040 },
2552 { SOUND_MIXER_WRITE_PCM, 0x4040 },
2553 { SOUND_MIXER_WRITE_SYNTH, 0x4040 },
2554 { SOUND_MIXER_WRITE_CD, 0x4040 },
2555 { SOUND_MIXER_WRITE_LINE, 0x4040 },
2556 { SOUND_MIXER_WRITE_LINE1, 0x4040 },
2557 { SOUND_MIXER_WRITE_LINE2, 0x4040 },
2558 { SOUND_MIXER_WRITE_LINE3, 0x4040 },
2559 { SOUND_MIXER_WRITE_MIC, 0x4040 },
2560 { SOUND_MIXER_WRITE_OGAIN, 0x4040 }
2561 };
2562
2563 static int __devinit es1370_probe(struct pci_dev *pcidev, const struct pci_device_id *pciid)
2564 {
2565 struct es1370_state *s;
2566 mm_segment_t fs;
2567 int i, val, ret;
2568
2569 if ((ret=pci_enable_device(pcidev)))
2570 return ret;
2571
2572 if ( !(pci_resource_flags(pcidev, 0) & IORESOURCE_IO) ||
2573 !pci_resource_start(pcidev, 0)
2574 )
2575 return -ENODEV;
2576 if (pcidev->irq == 0)
2577 return -ENODEV;
2578 i = pci_set_dma_mask(pcidev, 0xffffffff);
2579 if (i) {
2580 printk(KERN_WARNING "es1370: architecture does not support 32bit PCI busmaster DMA\n");
2581 return i;
2582 }
2583 if (!(s = kmalloc(sizeof(struct es1370_state), GFP_KERNEL))) {
2584 printk(KERN_WARNING "es1370: out of memory\n");
2585 return -ENOMEM;
2586 }
2587 memset(s, 0, sizeof(struct es1370_state));
2588 init_waitqueue_head(&s->dma_adc.wait);
2589 init_waitqueue_head(&s->dma_dac1.wait);
2590 init_waitqueue_head(&s->dma_dac2.wait);
2591 init_waitqueue_head(&s->open_wait);
2592 init_waitqueue_head(&s->midi.iwait);
2593 init_waitqueue_head(&s->midi.owait);
2594 init_MUTEX(&s->open_sem);
2595 spin_lock_init(&s->lock);
2596 s->magic = ES1370_MAGIC;
2597 s->dev = pcidev;
2598 s->io = pci_resource_start(pcidev, 0);
2599 s->irq = pcidev->irq;
2600 if (!request_region(s->io, ES1370_EXTENT, "es1370")) {
2601 printk(KERN_ERR "es1370: io ports %#lx-%#lx in use\n", s->io, s->io+ES1370_EXTENT-1);
2602 ret = -EBUSY;
2603 goto err_region;
2604 }
2605 if ((ret=request_irq(s->irq, es1370_interrupt, SA_SHIRQ, "es1370",s))) {
2606 printk(KERN_ERR "es1370: irq %u in use\n", s->irq);
2607 goto err_irq;
2608 }
2609
2610 /* initialize codec registers */
2611 /* note: setting CTRL_SERR_DIS is reported to break
2612 * mic bias setting (by Kim.Berts@fisub.mail.abb.com) */
2613 s->ctrl = CTRL_CDC_EN | (DAC2_SRTODIV(8000) << CTRL_SH_PCLKDIV) | (1 << CTRL_SH_WTSRSEL);
2614 s->gameport.io = 0;
2615 if (joystick[devindex]) {
2616 if (!request_region(0x200, JOY_EXTENT, "es1370"))
2617 printk(KERN_ERR "es1370: joystick io port 0x200 in use\n");
2618 else {
2619 s->ctrl |= CTRL_JYSTK_EN;
2620 s->gameport.io = 0x200;
2621 }
2622 }
2623 if (lineout[devindex])
2624 s->ctrl |= CTRL_XCTL0;
2625 if (micbias[devindex])
2626 s->ctrl |= CTRL_XCTL1;
2627 s->sctrl = 0;
2628 printk(KERN_INFO "es1370: found adapter at io %#lx irq %u\n"
2629 KERN_INFO "es1370: features: joystick %s, line %s, mic impedance %s\n",
2630 s->io, s->irq, (s->ctrl & CTRL_JYSTK_EN) ? "on" : "off",
2631 (s->ctrl & CTRL_XCTL0) ? "out" : "in",
2632 (s->ctrl & CTRL_XCTL1) ? "1" : "0");
2633 /* register devices */
2634 if ((s->dev_audio = register_sound_dsp(&es1370_audio_fops, -1)) < 0) {
2635 ret = s->dev_audio;
2636 goto err_dev1;
2637 }
2638 if ((s->dev_mixer = register_sound_mixer(&es1370_mixer_fops, -1)) < 0) {
2639 ret = s->dev_mixer;
2640 goto err_dev2;
2641 }
2642 if ((s->dev_dac = register_sound_dsp(&es1370_dac_fops, -1)) < 0) {
2643 ret = s->dev_dac;
2644 goto err_dev3;
2645 }
2646 if ((s->dev_midi = register_sound_midi(&es1370_midi_fops, -1)) < 0) {
2647 ret = s->dev_midi;
2648 goto err_dev4;
2649 }
2650 /* initialize the chips */
2651 outl(s->ctrl, s->io+ES1370_REG_CONTROL);
2652 outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL);
2653 /* point phantom write channel to "bugbuf" */
2654 outl((ES1370_REG_PHANTOM_FRAMEADR >> 8) & 15, s->io+ES1370_REG_MEMPAGE);
2655 outl(virt_to_bus(bugbuf), s->io+(ES1370_REG_PHANTOM_FRAMEADR & 0xff));
2656 outl(0, s->io+(ES1370_REG_PHANTOM_FRAMECNT & 0xff));
2657 pci_set_master(pcidev); /* enable bus mastering */
2658 wrcodec(s, 0x16, 3); /* no RST, PD */
2659 wrcodec(s, 0x17, 0); /* CODEC ADC and CODEC DAC use {LR,B}CLK2 and run off the LRCLK2 PLL; program DAC_SYNC=0!! */
2660 wrcodec(s, 0x18, 0); /* recording source is mixer */
2661 wrcodec(s, 0x19, s->mix.micpreamp = 1); /* turn on MIC preamp */
2662 s->mix.imix = 1;
2663 fs = get_fs();
2664 set_fs(KERNEL_DS);
2665 val = SOUND_MASK_LINE|SOUND_MASK_SYNTH|SOUND_MASK_CD;
2666 mixer_ioctl(s, SOUND_MIXER_WRITE_RECSRC, (unsigned long)&val);
2667 for (i = 0; i < sizeof(initvol)/sizeof(initvol[0]); i++) {
2668 val = initvol[i].vol;
2669 mixer_ioctl(s, initvol[i].mixch, (unsigned long)&val);
2670 }
2671 set_fs(fs);
2672 /* register gameport */
2673 gameport_register_port(&s->gameport);
2674
2675 /* store it in the driver field */
2676 pci_set_drvdata(pcidev, s);
2677 /* put it into driver list */
2678 list_add_tail(&s->devs, &devs);
2679 /* increment devindex */
2680 if (devindex < NR_DEVICE-1)
2681 devindex++;
2682 return 0;
2683
2684 err_dev4:
2685 unregister_sound_dsp(s->dev_dac);
2686 err_dev3:
2687 unregister_sound_mixer(s->dev_mixer);
2688 err_dev2:
2689 unregister_sound_dsp(s->dev_audio);
2690 err_dev1:
2691 printk(KERN_ERR "es1370: cannot register misc device\n");
2692 free_irq(s->irq, s);
2693 if (s->gameport.io)
2694 release_region(s->gameport.io, JOY_EXTENT);
2695 err_irq:
2696 release_region(s->io, ES1370_EXTENT);
2697 err_region:
2698 kfree(s);
2699 return ret;
2700 }
2701
2702 static void __devinit es1370_remove(struct pci_dev *dev)
2703 {
2704 struct es1370_state *s = pci_get_drvdata(dev);
2705
2706 if (!s)
2707 return;
2708 list_del(&s->devs);
2709 outl(CTRL_SERR_DIS | (1 << CTRL_SH_WTSRSEL), s->io+ES1370_REG_CONTROL); /* switch everything off */
2710 outl(0, s->io+ES1370_REG_SERIAL_CONTROL); /* clear serial interrupts */
2711 synchronize_irq();
2712 free_irq(s->irq, s);
2713 if (s->gameport.io) {
2714 gameport_unregister_port(&s->gameport);
2715 release_region(s->gameport.io, JOY_EXTENT);
2716 }
2717 release_region(s->io, ES1370_EXTENT);
2718 unregister_sound_dsp(s->dev_audio);
2719 unregister_sound_mixer(s->dev_mixer);
2720 unregister_sound_dsp(s->dev_dac);
2721 unregister_sound_midi(s->dev_midi);
2722 kfree(s);
2723 pci_set_drvdata(dev, NULL);
2724 }
2725
2726 static struct pci_device_id id_table[] __devinitdata = {
2727 { PCI_VENDOR_ID_ENSONIQ, PCI_DEVICE_ID_ENSONIQ_ES1370, PCI_ANY_ID, PCI_ANY_ID, 0, 0 },
2728 { 0, }
2729 };
2730
2731 MODULE_DEVICE_TABLE(pci, id_table);
2732
2733 static struct pci_driver es1370_driver = {
2734 name: "es1370",
2735 id_table: id_table,
2736 probe: es1370_probe,
2737 remove: es1370_remove
2738 };
2739
2740 static int __init init_es1370(void)
2741 {
2742 if (!pci_present()) /* No PCI bus in this machine! */
2743 return -ENODEV;
2744 printk(KERN_INFO "es1370: version v0.37 time " __TIME__ " " __DATE__ "\n");
2745 return pci_module_init(&es1370_driver);
2746 }
2747
2748 static void __exit cleanup_es1370(void)
2749 {
2750 printk(KERN_INFO "es1370: unloading\n");
2751 pci_unregister_driver(&es1370_driver);
2752 }
2753
2754 module_init(init_es1370);
2755 module_exit(cleanup_es1370);
2756
2757 /* --------------------------------------------------------------------- */
2758
2759 #ifndef MODULE
2760
2761 /* format is: es1370=[joystick[,lineout[,micbias]]] */
2762
2763 static int __init es1370_setup(char *str)
2764 {
2765 static unsigned __initdata nr_dev = 0;
2766
2767 if (nr_dev >= NR_DEVICE)
2768 return 0;
2769
2770 (void)
2771 ( (get_option(&str,&joystick[nr_dev]) == 2)
2772 && (get_option(&str,&lineout [nr_dev]) == 2)
2773 && get_option(&str,&micbias [nr_dev])
2774 );
2775
2776 nr_dev++;
2777 return 1;
2778 }
2779
2780 __setup("es1370=", es1370_setup);
2781
2782 #endif /* MODULE */
2783