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1 | /*****************************************************************************/ |
2 | ||
3 | /* | |
4 | * es1370.c -- Ensoniq ES1370/Asahi Kasei AK4531 audio driver. | |
5 | * | |
6 | * Copyright (C) 1998-2001, 2003 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 | * lineout if 1 the LINE jack is used as an output instead of an input. | |
27 | * LINE then contains the unmixed dsp output. This can be used | |
28 | * to make the card a four channel one: use dsp to output two | |
29 | * channels to LINE and dac to output the other two channels to | |
30 | * SPKR. Set the mixer to only output synth to SPKR. | |
31 | * micbias sets the +5V bias to the mic if using an electretmic. | |
32 | * | |
33 | * | |
34 | * Note: sync mode is not yet supported (i.e. running dsp and dac from the same | |
35 | * clock source) | |
36 | * | |
37 | * Supported devices: | |
38 | * /dev/dsp standard /dev/dsp device, (mostly) OSS compatible | |
39 | * /dev/mixer standard /dev/mixer device, (mostly) OSS compatible | |
40 | * /dev/dsp1 additional DAC, like /dev/dsp, but output only, | |
41 | * only 5512, 11025, 22050 and 44100 samples/s, | |
42 | * outputs to mixer "SYNTH" setting | |
43 | * /dev/midi simple MIDI UART interface, no ioctl | |
44 | * | |
45 | * NOTE: the card does not have any FM/Wavetable synthesizer, it is supposed | |
46 | * to be done in software. That is what /dev/dac is for. By now (Q2 1998) | |
47 | * there are several MIDI to PCM (WAV) packages, one of them is timidity. | |
48 | * | |
49 | * Revision history | |
50 | * 26.03.1998 0.1 Initial release | |
51 | * 31.03.1998 0.2 Fix bug in GETOSPACE | |
52 | * 04.04.1998 0.3 Make it work (again) under 2.0.33 | |
53 | * Fix mixer write operation not returning the actual | |
54 | * settings | |
55 | * 05.04.1998 0.4 First attempt at using the new PCI stuff | |
56 | * 29.04.1998 0.5 Fix hang when ^C is pressed on amp | |
57 | * 07.05.1998 0.6 Don't double lock around stop_*() in *_release() | |
58 | * 10.05.1998 0.7 First stab at a simple midi interface (no bells&whistles) | |
59 | * 14.05.1998 0.8 Don't allow excessive interrupt rates | |
60 | * 08.06.1998 0.9 First release using Alan Cox' soundcore instead of | |
61 | * miscdevice | |
62 | * 05.07.1998 0.10 Fixed the driver to correctly maintin OSS style volume | |
63 | * settings (not sure if this should be standard) | |
64 | * Fixed many references: f_flags should be f_mode | |
65 | * -- Gerald Britton <gbritton@mit.edu> | |
66 | * 03.08.1998 0.11 Now mixer behaviour can basically be selected between | |
67 | * "OSS documented" and "OSS actual" behaviour | |
68 | * Fixed mixer table thanks to Hakan.Lennestal@lu.erisoft.se | |
69 | * On module startup, set DAC2 to 11kSPS instead of 5.5kSPS, | |
70 | * as it produces an annoying ssssh in the lower sampling rate | |
71 | * Do not include modversions.h | |
72 | * 22.08.1998 0.12 Mixer registers actually have 5 instead of 4 bits | |
73 | * pointed out by Itai Nahshon | |
74 | * 31.08.1998 0.13 Fix realplayer problems - dac.count issues | |
75 | * 08.10.1998 0.14 Joystick support fixed | |
76 | * -- Oliver Neukum <c188@org.chemie.uni-muenchen.de> | |
77 | * 10.12.1998 0.15 Fix drain_dac trying to wait on not yet initialized DMA | |
78 | * 16.12.1998 0.16 Don't wake up app until there are fragsize bytes to read/write | |
79 | * 06.01.1999 0.17 remove the silly SA_INTERRUPT flag. | |
80 | * hopefully killed the egcs section type conflict | |
81 | * 12.03.1999 0.18 cinfo.blocks should be reset after GETxPTR ioctl. | |
82 | * reported by Johan Maes <joma@telindus.be> | |
83 | * 22.03.1999 0.19 return EAGAIN instead of EBUSY when O_NONBLOCK | |
84 | * read/write cannot be executed | |
85 | * 07.04.1999 0.20 implemented the following ioctl's: SOUND_PCM_READ_RATE, | |
86 | * SOUND_PCM_READ_CHANNELS, SOUND_PCM_READ_BITS; | |
87 | * Alpha fixes reported by Peter Jones <pjones@redhat.com> | |
88 | * Note: joystick address handling might still be wrong on archs | |
89 | * other than i386 | |
90 | * 10.05.1999 0.21 Added support for an electret mic for SB PCI64 | |
91 | * to the Linux kernel sound driver. This mod also straighten | |
92 | * out the question marks around the mic impedance setting | |
93 | * (micz). From Kim.Berts@fisub.mail.abb.com | |
94 | * 11.05.1999 0.22 Implemented the IMIX call to mute recording monitor. | |
95 | * Guenter Geiger <geiger@epy.co.at> | |
96 | * 15.06.1999 0.23 Fix bad allocation bug. | |
97 | * Thanks to Deti Fliegl <fliegl@in.tum.de> | |
98 | * 28.06.1999 0.24 Add pci_set_master | |
99 | * 02.08.1999 0.25 Added workaround for the "phantom write" bug first | |
100 | * documented by Dave Sharpless from Anchor Games | |
101 | * 03.08.1999 0.26 adapt to Linus' new __setup/__initcall | |
102 | * added kernel command line option "es1370=joystick[,lineout[,micbias]]" | |
103 | * removed CONFIG_SOUND_ES1370_JOYPORT_BOOT kludge | |
104 | * 12.08.1999 0.27 module_init/__setup fixes | |
105 | * 19.08.1999 0.28 SOUND_MIXER_IMIX fixes, reported by Gianluca <gialluca@mail.tiscalinet.it> | |
106 | * 31.08.1999 0.29 add spin_lock_init | |
107 | * replaced current->state = x with set_current_state(x) | |
108 | * 03.09.1999 0.30 change read semantics for MIDI to match | |
109 | * OSS more closely; remove possible wakeup race | |
110 | * 28.10.1999 0.31 More waitqueue races fixed | |
111 | * 08.01.2000 0.32 Prevent some ioctl's from returning bad count values on underrun/overrun; | |
112 | * Tim Janik's BSE (Bedevilled Sound Engine) found this | |
113 | * 07.02.2000 0.33 Use pci_alloc_consistent and pci_register_driver | |
114 | * 21.11.2000 0.34 Initialize dma buffers in poll, otherwise poll may return a bogus mask | |
115 | * 12.12.2000 0.35 More dma buffer initializations, patch from | |
116 | * Tjeerd Mulder <tjeerd.mulder@fujitsu-siemens.com> | |
117 | * 07.01.2001 0.36 Timeout change in wrcodec as requested by Frank Klemm <pfk@fuchs.offl.uni-jena.de> | |
118 | * 31.01.2001 0.37 Register/Unregister gameport | |
119 | * Fix SETTRIGGER non OSS API conformity | |
120 | * 03.01.2003 0.38 open_mode fixes from Georg Acher <acher@in.tum.de> | |
121 | * | |
122 | * some important things missing in Ensoniq documentation: | |
123 | * | |
124 | * Experimental PCLKDIV results: play the same waveforms on both DAC1 and DAC2 | |
125 | * and vary PCLKDIV to obtain zero beat. | |
126 | * 5512sps: 254 | |
127 | * 44100sps: 30 | |
128 | * seems to be fs = 1411200/(PCLKDIV+2) | |
129 | * | |
130 | * should find out when curr_sample_ct is cleared and | |
131 | * where exactly the CCB fetches data | |
132 | * | |
133 | * The card uses a 22.5792 MHz crystal. | |
134 | * The LINEIN jack may be converted to an AOUT jack by | |
135 | * setting pin 47 (XCTL0) of the ES1370 to high. | |
136 | * Pin 48 (XCTL1) of the ES1370 sets the +5V bias for an electretmic | |
137 | * | |
138 | * | |
139 | */ | |
140 | ||
141 | /*****************************************************************************/ | |
142 | ||
143 | #include <linux/interrupt.h> | |
144 | #include <linux/module.h> | |
145 | #include <linux/string.h> | |
146 | #include <linux/ioport.h> | |
147 | #include <linux/sched.h> | |
148 | #include <linux/delay.h> | |
149 | #include <linux/sound.h> | |
150 | #include <linux/slab.h> | |
151 | #include <linux/soundcard.h> | |
152 | #include <linux/pci.h> | |
153 | #include <linux/smp_lock.h> | |
154 | #include <linux/init.h> | |
155 | #include <linux/poll.h> | |
156 | #include <linux/spinlock.h> | |
157 | #include <linux/gameport.h> | |
158 | #include <linux/wait.h> | |
159 | ||
160 | #include <asm/io.h> | |
161 | #include <asm/page.h> | |
162 | #include <asm/uaccess.h> | |
163 | ||
164 | /* --------------------------------------------------------------------- */ | |
165 | ||
166 | #undef OSS_DOCUMENTED_MIXER_SEMANTICS | |
167 | #define DBG(x) {} | |
168 | /*#define DBG(x) {x}*/ | |
169 | ||
170 | /* --------------------------------------------------------------------- */ | |
171 | ||
172 | #ifndef PCI_VENDOR_ID_ENSONIQ | |
173 | #define PCI_VENDOR_ID_ENSONIQ 0x1274 | |
174 | #endif | |
175 | ||
176 | #ifndef PCI_DEVICE_ID_ENSONIQ_ES1370 | |
177 | #define PCI_DEVICE_ID_ENSONIQ_ES1370 0x5000 | |
178 | #endif | |
179 | ||
180 | #define ES1370_MAGIC ((PCI_VENDOR_ID_ENSONIQ<<16)|PCI_DEVICE_ID_ENSONIQ_ES1370) | |
181 | ||
182 | #define ES1370_EXTENT 0x40 | |
183 | #define JOY_EXTENT 8 | |
184 | ||
185 | #define ES1370_REG_CONTROL 0x00 | |
186 | #define ES1370_REG_STATUS 0x04 | |
187 | #define ES1370_REG_UART_DATA 0x08 | |
188 | #define ES1370_REG_UART_STATUS 0x09 | |
189 | #define ES1370_REG_UART_CONTROL 0x09 | |
190 | #define ES1370_REG_UART_TEST 0x0a | |
191 | #define ES1370_REG_MEMPAGE 0x0c | |
192 | #define ES1370_REG_CODEC 0x10 | |
193 | #define ES1370_REG_SERIAL_CONTROL 0x20 | |
194 | #define ES1370_REG_DAC1_SCOUNT 0x24 | |
195 | #define ES1370_REG_DAC2_SCOUNT 0x28 | |
196 | #define ES1370_REG_ADC_SCOUNT 0x2c | |
197 | ||
198 | #define ES1370_REG_DAC1_FRAMEADR 0xc30 | |
199 | #define ES1370_REG_DAC1_FRAMECNT 0xc34 | |
200 | #define ES1370_REG_DAC2_FRAMEADR 0xc38 | |
201 | #define ES1370_REG_DAC2_FRAMECNT 0xc3c | |
202 | #define ES1370_REG_ADC_FRAMEADR 0xd30 | |
203 | #define ES1370_REG_ADC_FRAMECNT 0xd34 | |
204 | #define ES1370_REG_PHANTOM_FRAMEADR 0xd38 | |
205 | #define ES1370_REG_PHANTOM_FRAMECNT 0xd3c | |
206 | ||
207 | #define ES1370_FMT_U8_MONO 0 | |
208 | #define ES1370_FMT_U8_STEREO 1 | |
209 | #define ES1370_FMT_S16_MONO 2 | |
210 | #define ES1370_FMT_S16_STEREO 3 | |
211 | #define ES1370_FMT_STEREO 1 | |
212 | #define ES1370_FMT_S16 2 | |
213 | #define ES1370_FMT_MASK 3 | |
214 | ||
215 | static const unsigned sample_size[] = { 1, 2, 2, 4 }; | |
216 | static const unsigned sample_shift[] = { 0, 1, 1, 2 }; | |
217 | ||
218 | static const unsigned dac1_samplerate[] = { 5512, 11025, 22050, 44100 }; | |
219 | ||
220 | #define DAC2_SRTODIV(x) (((1411200+(x)/2)/(x))-2) | |
221 | #define DAC2_DIVTOSR(x) (1411200/((x)+2)) | |
222 | ||
223 | #define CTRL_ADC_STOP 0x80000000 /* 1 = ADC stopped */ | |
224 | #define CTRL_XCTL1 0x40000000 /* electret mic bias */ | |
225 | #define CTRL_OPEN 0x20000000 /* no function, can be read and written */ | |
226 | #define CTRL_PCLKDIV 0x1fff0000 /* ADC/DAC2 clock divider */ | |
227 | #define CTRL_SH_PCLKDIV 16 | |
228 | #define CTRL_MSFMTSEL 0x00008000 /* MPEG serial data fmt: 0 = Sony, 1 = I2S */ | |
229 | #define CTRL_M_SBB 0x00004000 /* DAC2 clock: 0 = PCLKDIV, 1 = MPEG */ | |
230 | #define CTRL_WTSRSEL 0x00003000 /* DAC1 clock freq: 0=5512, 1=11025, 2=22050, 3=44100 */ | |
231 | #define CTRL_SH_WTSRSEL 12 | |
232 | #define CTRL_DAC_SYNC 0x00000800 /* 1 = DAC2 runs off DAC1 clock */ | |
233 | #define CTRL_CCB_INTRM 0x00000400 /* 1 = CCB "voice" ints enabled */ | |
234 | #define CTRL_M_CB 0x00000200 /* recording source: 0 = ADC, 1 = MPEG */ | |
235 | #define CTRL_XCTL0 0x00000100 /* 0 = Line in, 1 = Line out */ | |
236 | #define CTRL_BREQ 0x00000080 /* 1 = test mode (internal mem test) */ | |
237 | #define CTRL_DAC1_EN 0x00000040 /* enable DAC1 */ | |
238 | #define CTRL_DAC2_EN 0x00000020 /* enable DAC2 */ | |
239 | #define CTRL_ADC_EN 0x00000010 /* enable ADC */ | |
240 | #define CTRL_UART_EN 0x00000008 /* enable MIDI uart */ | |
241 | #define CTRL_JYSTK_EN 0x00000004 /* enable Joystick port (presumably at address 0x200) */ | |
242 | #define CTRL_CDC_EN 0x00000002 /* enable serial (CODEC) interface */ | |
243 | #define CTRL_SERR_DIS 0x00000001 /* 1 = disable PCI SERR signal */ | |
244 | ||
245 | #define STAT_INTR 0x80000000 /* wired or of all interrupt bits */ | |
246 | #define STAT_CSTAT 0x00000400 /* 1 = codec busy or codec write in progress */ | |
247 | #define STAT_CBUSY 0x00000200 /* 1 = codec busy */ | |
248 | #define STAT_CWRIP 0x00000100 /* 1 = codec write in progress */ | |
249 | #define STAT_VC 0x00000060 /* CCB int source, 0=DAC1, 1=DAC2, 2=ADC, 3=undef */ | |
250 | #define STAT_SH_VC 5 | |
251 | #define STAT_MCCB 0x00000010 /* CCB int pending */ | |
252 | #define STAT_UART 0x00000008 /* UART int pending */ | |
253 | #define STAT_DAC1 0x00000004 /* DAC1 int pending */ | |
254 | #define STAT_DAC2 0x00000002 /* DAC2 int pending */ | |
255 | #define STAT_ADC 0x00000001 /* ADC int pending */ | |
256 | ||
257 | #define USTAT_RXINT 0x80 /* UART rx int pending */ | |
258 | #define USTAT_TXINT 0x04 /* UART tx int pending */ | |
259 | #define USTAT_TXRDY 0x02 /* UART tx ready */ | |
260 | #define USTAT_RXRDY 0x01 /* UART rx ready */ | |
261 | ||
262 | #define UCTRL_RXINTEN 0x80 /* 1 = enable RX ints */ | |
263 | #define UCTRL_TXINTEN 0x60 /* TX int enable field mask */ | |
264 | #define UCTRL_ENA_TXINT 0x20 /* enable TX int */ | |
265 | #define UCTRL_CNTRL 0x03 /* control field */ | |
266 | #define UCTRL_CNTRL_SWR 0x03 /* software reset command */ | |
267 | ||
268 | #define SCTRL_P2ENDINC 0x00380000 /* */ | |
269 | #define SCTRL_SH_P2ENDINC 19 | |
270 | #define SCTRL_P2STINC 0x00070000 /* */ | |
271 | #define SCTRL_SH_P2STINC 16 | |
272 | #define SCTRL_R1LOOPSEL 0x00008000 /* 0 = loop mode */ | |
273 | #define SCTRL_P2LOOPSEL 0x00004000 /* 0 = loop mode */ | |
274 | #define SCTRL_P1LOOPSEL 0x00002000 /* 0 = loop mode */ | |
275 | #define SCTRL_P2PAUSE 0x00001000 /* 1 = pause mode */ | |
276 | #define SCTRL_P1PAUSE 0x00000800 /* 1 = pause mode */ | |
277 | #define SCTRL_R1INTEN 0x00000400 /* enable interrupt */ | |
278 | #define SCTRL_P2INTEN 0x00000200 /* enable interrupt */ | |
279 | #define SCTRL_P1INTEN 0x00000100 /* enable interrupt */ | |
280 | #define SCTRL_P1SCTRLD 0x00000080 /* reload sample count register for DAC1 */ | |
281 | #define SCTRL_P2DACSEN 0x00000040 /* 1 = DAC2 play back last sample when disabled */ | |
282 | #define SCTRL_R1SEB 0x00000020 /* 1 = 16bit */ | |
283 | #define SCTRL_R1SMB 0x00000010 /* 1 = stereo */ | |
284 | #define SCTRL_R1FMT 0x00000030 /* format mask */ | |
285 | #define SCTRL_SH_R1FMT 4 | |
286 | #define SCTRL_P2SEB 0x00000008 /* 1 = 16bit */ | |
287 | #define SCTRL_P2SMB 0x00000004 /* 1 = stereo */ | |
288 | #define SCTRL_P2FMT 0x0000000c /* format mask */ | |
289 | #define SCTRL_SH_P2FMT 2 | |
290 | #define SCTRL_P1SEB 0x00000002 /* 1 = 16bit */ | |
291 | #define SCTRL_P1SMB 0x00000001 /* 1 = stereo */ | |
292 | #define SCTRL_P1FMT 0x00000003 /* format mask */ | |
293 | #define SCTRL_SH_P1FMT 0 | |
294 | ||
295 | /* misc stuff */ | |
296 | ||
297 | #define FMODE_DAC 4 /* slight misuse of mode_t */ | |
298 | ||
299 | /* MIDI buffer sizes */ | |
300 | ||
301 | #define MIDIINBUF 256 | |
302 | #define MIDIOUTBUF 256 | |
303 | ||
304 | #define FMODE_MIDI_SHIFT 3 | |
305 | #define FMODE_MIDI_READ (FMODE_READ << FMODE_MIDI_SHIFT) | |
306 | #define FMODE_MIDI_WRITE (FMODE_WRITE << FMODE_MIDI_SHIFT) | |
307 | ||
308 | /* --------------------------------------------------------------------- */ | |
309 | ||
310 | struct es1370_state { | |
311 | /* magic */ | |
312 | unsigned int magic; | |
313 | ||
314 | /* list of es1370 devices */ | |
315 | struct list_head devs; | |
316 | ||
317 | /* the corresponding pci_dev structure */ | |
318 | struct pci_dev *dev; | |
319 | ||
320 | /* soundcore stuff */ | |
321 | int dev_audio; | |
322 | int dev_mixer; | |
323 | int dev_dac; | |
324 | int dev_midi; | |
325 | ||
326 | /* hardware resources */ | |
327 | unsigned long io; /* long for SPARC */ | |
328 | unsigned int irq; | |
329 | ||
330 | /* mixer registers; there is no HW readback */ | |
331 | struct { | |
332 | unsigned short vol[10]; | |
333 | unsigned int recsrc; | |
334 | unsigned int modcnt; | |
335 | unsigned short micpreamp; | |
336 | unsigned int imix; | |
337 | } mix; | |
338 | ||
339 | /* wave stuff */ | |
340 | unsigned ctrl; | |
341 | unsigned sctrl; | |
342 | ||
343 | spinlock_t lock; | |
344 | struct semaphore open_sem; | |
345 | mode_t open_mode; | |
346 | wait_queue_head_t open_wait; | |
347 | ||
348 | struct dmabuf { | |
349 | void *rawbuf; | |
350 | dma_addr_t dmaaddr; | |
351 | unsigned buforder; | |
352 | unsigned numfrag; | |
353 | unsigned fragshift; | |
354 | unsigned hwptr, swptr; | |
355 | unsigned total_bytes; | |
356 | int count; | |
357 | unsigned error; /* over/underrun */ | |
358 | wait_queue_head_t wait; | |
359 | /* redundant, but makes calculations easier */ | |
360 | unsigned fragsize; | |
361 | unsigned dmasize; | |
362 | unsigned fragsamples; | |
363 | /* OSS stuff */ | |
364 | unsigned mapped:1; | |
365 | unsigned ready:1; | |
366 | unsigned endcleared:1; | |
367 | unsigned enabled:1; | |
368 | unsigned ossfragshift; | |
369 | int ossmaxfrags; | |
370 | unsigned subdivision; | |
371 | } dma_dac1, dma_dac2, dma_adc; | |
372 | ||
373 | /* The following buffer is used to point the phantom write channel to. */ | |
374 | unsigned char *bugbuf_cpu; | |
375 | dma_addr_t bugbuf_dma; | |
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 | ||
397 | static inline unsigned ld2(unsigned int x) | |
398 | { | |
399 | unsigned r = 0; | |
400 | ||
401 | if (x >= 0x10000) { | |
402 | x >>= 16; | |
403 | r += 16; | |
404 | } | |
405 | if (x >= 0x100) { | |
406 | x >>= 8; | |
407 | r += 8; | |
408 | } | |
409 | if (x >= 0x10) { | |
410 | x >>= 4; | |
411 | r += 4; | |
412 | } | |
413 | if (x >= 4) { | |
414 | x >>= 2; | |
415 | r += 2; | |
416 | } | |
417 | if (x >= 2) | |
418 | r++; | |
419 | return r; | |
420 | } | |
421 | ||
422 | /* --------------------------------------------------------------------- */ | |
423 | ||
424 | static void wrcodec(struct es1370_state *s, unsigned char idx, unsigned char data) | |
425 | { | |
426 | unsigned long tmo = jiffies + HZ/10, j; | |
427 | ||
428 | do { | |
429 | j = jiffies; | |
430 | if (!(inl(s->io+ES1370_REG_STATUS) & STAT_CSTAT)) { | |
431 | outw((((unsigned short)idx)<<8)|data, s->io+ES1370_REG_CODEC); | |
432 | return; | |
433 | } | |
434 | schedule(); | |
435 | } while ((signed)(tmo-j) > 0); | |
436 | printk(KERN_ERR "es1370: write to codec register timeout\n"); | |
437 | } | |
438 | ||
439 | /* --------------------------------------------------------------------- */ | |
440 | ||
441 | static inline void stop_adc(struct es1370_state *s) | |
442 | { | |
443 | unsigned long flags; | |
444 | ||
445 | spin_lock_irqsave(&s->lock, flags); | |
446 | s->ctrl &= ~CTRL_ADC_EN; | |
447 | outl(s->ctrl, s->io+ES1370_REG_CONTROL); | |
448 | spin_unlock_irqrestore(&s->lock, flags); | |
449 | } | |
450 | ||
451 | static inline void stop_dac1(struct es1370_state *s) | |
452 | { | |
453 | unsigned long flags; | |
454 | ||
455 | spin_lock_irqsave(&s->lock, flags); | |
456 | s->ctrl &= ~CTRL_DAC1_EN; | |
457 | outl(s->ctrl, s->io+ES1370_REG_CONTROL); | |
458 | spin_unlock_irqrestore(&s->lock, flags); | |
459 | } | |
460 | ||
461 | static inline void stop_dac2(struct es1370_state *s) | |
462 | { | |
463 | unsigned long flags; | |
464 | ||
465 | spin_lock_irqsave(&s->lock, flags); | |
466 | s->ctrl &= ~CTRL_DAC2_EN; | |
467 | outl(s->ctrl, s->io+ES1370_REG_CONTROL); | |
468 | spin_unlock_irqrestore(&s->lock, flags); | |
469 | } | |
470 | ||
471 | static void start_dac1(struct es1370_state *s) | |
472 | { | |
473 | unsigned long flags; | |
474 | unsigned fragremain, fshift; | |
475 | ||
476 | spin_lock_irqsave(&s->lock, flags); | |
477 | if (!(s->ctrl & CTRL_DAC1_EN) && (s->dma_dac1.mapped || s->dma_dac1.count > 0) | |
478 | && s->dma_dac1.ready) { | |
479 | s->ctrl |= CTRL_DAC1_EN; | |
480 | s->sctrl = (s->sctrl & ~(SCTRL_P1LOOPSEL | SCTRL_P1PAUSE | SCTRL_P1SCTRLD)) | SCTRL_P1INTEN; | |
481 | outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL); | |
482 | fragremain = ((- s->dma_dac1.hwptr) & (s->dma_dac1.fragsize-1)); | |
483 | fshift = sample_shift[(s->sctrl & SCTRL_P1FMT) >> SCTRL_SH_P1FMT]; | |
484 | if (fragremain < 2*fshift) | |
485 | fragremain = s->dma_dac1.fragsize; | |
486 | outl((fragremain >> fshift) - 1, s->io+ES1370_REG_DAC1_SCOUNT); | |
487 | outl(s->ctrl, s->io+ES1370_REG_CONTROL); | |
488 | outl((s->dma_dac1.fragsize >> fshift) - 1, s->io+ES1370_REG_DAC1_SCOUNT); | |
489 | } | |
490 | spin_unlock_irqrestore(&s->lock, flags); | |
491 | } | |
492 | ||
493 | static void start_dac2(struct es1370_state *s) | |
494 | { | |
495 | unsigned long flags; | |
496 | unsigned fragremain, fshift; | |
497 | ||
498 | spin_lock_irqsave(&s->lock, flags); | |
499 | if (!(s->ctrl & CTRL_DAC2_EN) && (s->dma_dac2.mapped || s->dma_dac2.count > 0) | |
500 | && s->dma_dac2.ready) { | |
501 | s->ctrl |= CTRL_DAC2_EN; | |
502 | s->sctrl = (s->sctrl & ~(SCTRL_P2LOOPSEL | SCTRL_P2PAUSE | SCTRL_P2DACSEN | | |
503 | SCTRL_P2ENDINC | SCTRL_P2STINC)) | SCTRL_P2INTEN | | |
504 | (((s->sctrl & SCTRL_P2FMT) ? 2 : 1) << SCTRL_SH_P2ENDINC) | | |
505 | (0 << SCTRL_SH_P2STINC); | |
506 | outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL); | |
507 | fragremain = ((- s->dma_dac2.hwptr) & (s->dma_dac2.fragsize-1)); | |
508 | fshift = sample_shift[(s->sctrl & SCTRL_P2FMT) >> SCTRL_SH_P2FMT]; | |
509 | if (fragremain < 2*fshift) | |
510 | fragremain = s->dma_dac2.fragsize; | |
511 | outl((fragremain >> fshift) - 1, s->io+ES1370_REG_DAC2_SCOUNT); | |
512 | outl(s->ctrl, s->io+ES1370_REG_CONTROL); | |
513 | outl((s->dma_dac2.fragsize >> fshift) - 1, s->io+ES1370_REG_DAC2_SCOUNT); | |
514 | } | |
515 | spin_unlock_irqrestore(&s->lock, flags); | |
516 | } | |
517 | ||
518 | static void start_adc(struct es1370_state *s) | |
519 | { | |
520 | unsigned long flags; | |
521 | unsigned fragremain, fshift; | |
522 | ||
523 | spin_lock_irqsave(&s->lock, flags); | |
524 | if (!(s->ctrl & CTRL_ADC_EN) && (s->dma_adc.mapped || s->dma_adc.count < (signed)(s->dma_adc.dmasize - 2*s->dma_adc.fragsize)) | |
525 | && s->dma_adc.ready) { | |
526 | s->ctrl |= CTRL_ADC_EN; | |
527 | s->sctrl = (s->sctrl & ~SCTRL_R1LOOPSEL) | SCTRL_R1INTEN; | |
528 | outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL); | |
529 | fragremain = ((- s->dma_adc.hwptr) & (s->dma_adc.fragsize-1)); | |
530 | fshift = sample_shift[(s->sctrl & SCTRL_R1FMT) >> SCTRL_SH_R1FMT]; | |
531 | if (fragremain < 2*fshift) | |
532 | fragremain = s->dma_adc.fragsize; | |
533 | outl((fragremain >> fshift) - 1, s->io+ES1370_REG_ADC_SCOUNT); | |
534 | outl(s->ctrl, s->io+ES1370_REG_CONTROL); | |
535 | outl((s->dma_adc.fragsize >> fshift) - 1, s->io+ES1370_REG_ADC_SCOUNT); | |
536 | } | |
537 | spin_unlock_irqrestore(&s->lock, flags); | |
538 | } | |
539 | ||
540 | /* --------------------------------------------------------------------- */ | |
541 | ||
542 | #define DMABUF_DEFAULTORDER (17-PAGE_SHIFT) | |
543 | #define DMABUF_MINORDER 1 | |
544 | ||
545 | static inline void dealloc_dmabuf(struct es1370_state *s, struct dmabuf *db) | |
546 | { | |
547 | struct page *page, *pend; | |
548 | ||
549 | if (db->rawbuf) { | |
550 | /* undo marking the pages as reserved */ | |
551 | pend = virt_to_page(db->rawbuf + (PAGE_SIZE << db->buforder) - 1); | |
552 | for (page = virt_to_page(db->rawbuf); page <= pend; page++) | |
553 | ClearPageReserved(page); | |
554 | pci_free_consistent(s->dev, PAGE_SIZE << db->buforder, db->rawbuf, db->dmaaddr); | |
555 | } | |
556 | db->rawbuf = NULL; | |
557 | db->mapped = db->ready = 0; | |
558 | } | |
559 | ||
560 | static int prog_dmabuf(struct es1370_state *s, struct dmabuf *db, unsigned rate, unsigned fmt, unsigned reg) | |
561 | { | |
562 | int order; | |
563 | unsigned bytepersec; | |
564 | unsigned bufs; | |
565 | struct page *page, *pend; | |
566 | ||
567 | db->hwptr = db->swptr = db->total_bytes = db->count = db->error = db->endcleared = 0; | |
568 | if (!db->rawbuf) { | |
569 | db->ready = db->mapped = 0; | |
570 | for (order = DMABUF_DEFAULTORDER; order >= DMABUF_MINORDER; order--) | |
571 | if ((db->rawbuf = pci_alloc_consistent(s->dev, PAGE_SIZE << order, &db->dmaaddr))) | |
572 | break; | |
573 | if (!db->rawbuf) | |
574 | return -ENOMEM; | |
575 | db->buforder = order; | |
576 | /* now mark the pages as reserved; otherwise remap_pfn_range doesn't do what we want */ | |
577 | pend = virt_to_page(db->rawbuf + (PAGE_SIZE << db->buforder) - 1); | |
578 | for (page = virt_to_page(db->rawbuf); page <= pend; page++) | |
579 | SetPageReserved(page); | |
580 | } | |
581 | fmt &= ES1370_FMT_MASK; | |
582 | bytepersec = rate << sample_shift[fmt]; | |
583 | bufs = PAGE_SIZE << db->buforder; | |
584 | if (db->ossfragshift) { | |
585 | if ((1000 << db->ossfragshift) < bytepersec) | |
586 | db->fragshift = ld2(bytepersec/1000); | |
587 | else | |
588 | db->fragshift = db->ossfragshift; | |
589 | } else { | |
590 | db->fragshift = ld2(bytepersec/100/(db->subdivision ? db->subdivision : 1)); | |
591 | if (db->fragshift < 3) | |
592 | db->fragshift = 3; | |
593 | } | |
594 | db->numfrag = bufs >> db->fragshift; | |
595 | while (db->numfrag < 4 && db->fragshift > 3) { | |
596 | db->fragshift--; | |
597 | db->numfrag = bufs >> db->fragshift; | |
598 | } | |
599 | db->fragsize = 1 << db->fragshift; | |
600 | if (db->ossmaxfrags >= 4 && db->ossmaxfrags < db->numfrag) | |
601 | db->numfrag = db->ossmaxfrags; | |
602 | db->fragsamples = db->fragsize >> sample_shift[fmt]; | |
603 | db->dmasize = db->numfrag << db->fragshift; | |
604 | memset(db->rawbuf, (fmt & ES1370_FMT_S16) ? 0 : 0x80, db->dmasize); | |
605 | outl((reg >> 8) & 15, s->io+ES1370_REG_MEMPAGE); | |
606 | outl(db->dmaaddr, s->io+(reg & 0xff)); | |
607 | outl((db->dmasize >> 2)-1, s->io+((reg + 4) & 0xff)); | |
608 | db->enabled = 1; | |
609 | db->ready = 1; | |
610 | return 0; | |
611 | } | |
612 | ||
613 | static inline int prog_dmabuf_adc(struct es1370_state *s) | |
614 | { | |
615 | stop_adc(s); | |
616 | return prog_dmabuf(s, &s->dma_adc, DAC2_DIVTOSR((s->ctrl & CTRL_PCLKDIV) >> CTRL_SH_PCLKDIV), | |
617 | (s->sctrl >> SCTRL_SH_R1FMT) & ES1370_FMT_MASK, ES1370_REG_ADC_FRAMEADR); | |
618 | } | |
619 | ||
620 | static inline int prog_dmabuf_dac2(struct es1370_state *s) | |
621 | { | |
622 | stop_dac2(s); | |
623 | return prog_dmabuf(s, &s->dma_dac2, DAC2_DIVTOSR((s->ctrl & CTRL_PCLKDIV) >> CTRL_SH_PCLKDIV), | |
624 | (s->sctrl >> SCTRL_SH_P2FMT) & ES1370_FMT_MASK, ES1370_REG_DAC2_FRAMEADR); | |
625 | } | |
626 | ||
627 | static inline int prog_dmabuf_dac1(struct es1370_state *s) | |
628 | { | |
629 | stop_dac1(s); | |
630 | return prog_dmabuf(s, &s->dma_dac1, dac1_samplerate[(s->ctrl & CTRL_WTSRSEL) >> CTRL_SH_WTSRSEL], | |
631 | (s->sctrl >> SCTRL_SH_P1FMT) & ES1370_FMT_MASK, ES1370_REG_DAC1_FRAMEADR); | |
632 | } | |
633 | ||
634 | static inline unsigned get_hwptr(struct es1370_state *s, struct dmabuf *db, unsigned reg) | |
635 | { | |
636 | unsigned hwptr, diff; | |
637 | ||
638 | outl((reg >> 8) & 15, s->io+ES1370_REG_MEMPAGE); | |
639 | hwptr = (inl(s->io+(reg & 0xff)) >> 14) & 0x3fffc; | |
640 | diff = (db->dmasize + hwptr - db->hwptr) % db->dmasize; | |
641 | db->hwptr = hwptr; | |
642 | return diff; | |
643 | } | |
644 | ||
645 | static inline void clear_advance(void *buf, unsigned bsize, unsigned bptr, unsigned len, unsigned char c) | |
646 | { | |
647 | if (bptr + len > bsize) { | |
648 | unsigned x = bsize - bptr; | |
649 | memset(((char *)buf) + bptr, c, x); | |
650 | bptr = 0; | |
651 | len -= x; | |
652 | } | |
653 | memset(((char *)buf) + bptr, c, len); | |
654 | } | |
655 | ||
656 | /* call with spinlock held! */ | |
657 | static void es1370_update_ptr(struct es1370_state *s) | |
658 | { | |
659 | int diff; | |
660 | ||
661 | /* update ADC pointer */ | |
662 | if (s->ctrl & CTRL_ADC_EN) { | |
663 | diff = get_hwptr(s, &s->dma_adc, ES1370_REG_ADC_FRAMECNT); | |
664 | s->dma_adc.total_bytes += diff; | |
665 | s->dma_adc.count += diff; | |
666 | if (s->dma_adc.count >= (signed)s->dma_adc.fragsize) | |
667 | wake_up(&s->dma_adc.wait); | |
668 | if (!s->dma_adc.mapped) { | |
669 | if (s->dma_adc.count > (signed)(s->dma_adc.dmasize - ((3 * s->dma_adc.fragsize) >> 1))) { | |
670 | s->ctrl &= ~CTRL_ADC_EN; | |
671 | outl(s->ctrl, s->io+ES1370_REG_CONTROL); | |
672 | s->dma_adc.error++; | |
673 | } | |
674 | } | |
675 | } | |
676 | /* update DAC1 pointer */ | |
677 | if (s->ctrl & CTRL_DAC1_EN) { | |
678 | diff = get_hwptr(s, &s->dma_dac1, ES1370_REG_DAC1_FRAMECNT); | |
679 | s->dma_dac1.total_bytes += diff; | |
680 | if (s->dma_dac1.mapped) { | |
681 | s->dma_dac1.count += diff; | |
682 | if (s->dma_dac1.count >= (signed)s->dma_dac1.fragsize) | |
683 | wake_up(&s->dma_dac1.wait); | |
684 | } else { | |
685 | s->dma_dac1.count -= diff; | |
686 | if (s->dma_dac1.count <= 0) { | |
687 | s->ctrl &= ~CTRL_DAC1_EN; | |
688 | outl(s->ctrl, s->io+ES1370_REG_CONTROL); | |
689 | s->dma_dac1.error++; | |
690 | } else if (s->dma_dac1.count <= (signed)s->dma_dac1.fragsize && !s->dma_dac1.endcleared) { | |
691 | clear_advance(s->dma_dac1.rawbuf, s->dma_dac1.dmasize, s->dma_dac1.swptr, | |
692 | s->dma_dac1.fragsize, (s->sctrl & SCTRL_P1SEB) ? 0 : 0x80); | |
693 | s->dma_dac1.endcleared = 1; | |
694 | } | |
695 | if (s->dma_dac1.count + (signed)s->dma_dac1.fragsize <= (signed)s->dma_dac1.dmasize) | |
696 | wake_up(&s->dma_dac1.wait); | |
697 | } | |
698 | } | |
699 | /* update DAC2 pointer */ | |
700 | if (s->ctrl & CTRL_DAC2_EN) { | |
701 | diff = get_hwptr(s, &s->dma_dac2, ES1370_REG_DAC2_FRAMECNT); | |
702 | s->dma_dac2.total_bytes += diff; | |
703 | if (s->dma_dac2.mapped) { | |
704 | s->dma_dac2.count += diff; | |
705 | if (s->dma_dac2.count >= (signed)s->dma_dac2.fragsize) | |
706 | wake_up(&s->dma_dac2.wait); | |
707 | } else { | |
708 | s->dma_dac2.count -= diff; | |
709 | if (s->dma_dac2.count <= 0) { | |
710 | s->ctrl &= ~CTRL_DAC2_EN; | |
711 | outl(s->ctrl, s->io+ES1370_REG_CONTROL); | |
712 | s->dma_dac2.error++; | |
713 | } else if (s->dma_dac2.count <= (signed)s->dma_dac2.fragsize && !s->dma_dac2.endcleared) { | |
714 | clear_advance(s->dma_dac2.rawbuf, s->dma_dac2.dmasize, s->dma_dac2.swptr, | |
715 | s->dma_dac2.fragsize, (s->sctrl & SCTRL_P2SEB) ? 0 : 0x80); | |
716 | s->dma_dac2.endcleared = 1; | |
717 | } | |
718 | if (s->dma_dac2.count + (signed)s->dma_dac2.fragsize <= (signed)s->dma_dac2.dmasize) | |
719 | wake_up(&s->dma_dac2.wait); | |
720 | } | |
721 | } | |
722 | } | |
723 | ||
724 | /* hold spinlock for the following! */ | |
725 | static void es1370_handle_midi(struct es1370_state *s) | |
726 | { | |
727 | unsigned char ch; | |
728 | int wake; | |
729 | ||
730 | if (!(s->ctrl & CTRL_UART_EN)) | |
731 | return; | |
732 | wake = 0; | |
733 | while (inb(s->io+ES1370_REG_UART_STATUS) & USTAT_RXRDY) { | |
734 | ch = inb(s->io+ES1370_REG_UART_DATA); | |
735 | if (s->midi.icnt < MIDIINBUF) { | |
736 | s->midi.ibuf[s->midi.iwr] = ch; | |
737 | s->midi.iwr = (s->midi.iwr + 1) % MIDIINBUF; | |
738 | s->midi.icnt++; | |
739 | } | |
740 | wake = 1; | |
741 | } | |
742 | if (wake) | |
743 | wake_up(&s->midi.iwait); | |
744 | wake = 0; | |
745 | while ((inb(s->io+ES1370_REG_UART_STATUS) & USTAT_TXRDY) && s->midi.ocnt > 0) { | |
746 | outb(s->midi.obuf[s->midi.ord], s->io+ES1370_REG_UART_DATA); | |
747 | s->midi.ord = (s->midi.ord + 1) % MIDIOUTBUF; | |
748 | s->midi.ocnt--; | |
749 | if (s->midi.ocnt < MIDIOUTBUF-16) | |
750 | wake = 1; | |
751 | } | |
752 | if (wake) | |
753 | wake_up(&s->midi.owait); | |
754 | outb((s->midi.ocnt > 0) ? UCTRL_RXINTEN | UCTRL_ENA_TXINT : UCTRL_RXINTEN, s->io+ES1370_REG_UART_CONTROL); | |
755 | } | |
756 | ||
757 | static irqreturn_t es1370_interrupt(int irq, void *dev_id, struct pt_regs *regs) | |
758 | { | |
759 | struct es1370_state *s = (struct es1370_state *)dev_id; | |
760 | unsigned int intsrc, sctl; | |
761 | ||
762 | /* fastpath out, to ease interrupt sharing */ | |
763 | intsrc = inl(s->io+ES1370_REG_STATUS); | |
764 | if (!(intsrc & 0x80000000)) | |
765 | return IRQ_NONE; | |
766 | spin_lock(&s->lock); | |
767 | /* clear audio interrupts first */ | |
768 | sctl = s->sctrl; | |
769 | if (intsrc & STAT_ADC) | |
770 | sctl &= ~SCTRL_R1INTEN; | |
771 | if (intsrc & STAT_DAC1) | |
772 | sctl &= ~SCTRL_P1INTEN; | |
773 | if (intsrc & STAT_DAC2) | |
774 | sctl &= ~SCTRL_P2INTEN; | |
775 | outl(sctl, s->io+ES1370_REG_SERIAL_CONTROL); | |
776 | outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL); | |
777 | es1370_update_ptr(s); | |
778 | es1370_handle_midi(s); | |
779 | spin_unlock(&s->lock); | |
780 | return IRQ_HANDLED; | |
781 | } | |
782 | ||
783 | /* --------------------------------------------------------------------- */ | |
784 | ||
785 | static const char invalid_magic[] = KERN_CRIT "es1370: invalid magic value\n"; | |
786 | ||
787 | #define VALIDATE_STATE(s) \ | |
788 | ({ \ | |
789 | if (!(s) || (s)->magic != ES1370_MAGIC) { \ | |
790 | printk(invalid_magic); \ | |
791 | return -ENXIO; \ | |
792 | } \ | |
793 | }) | |
794 | ||
795 | /* --------------------------------------------------------------------- */ | |
796 | ||
797 | static const struct { | |
798 | unsigned volidx:4; | |
799 | unsigned left:4; | |
800 | unsigned right:4; | |
801 | unsigned stereo:1; | |
802 | unsigned recmask:13; | |
803 | unsigned avail:1; | |
804 | } mixtable[SOUND_MIXER_NRDEVICES] = { | |
805 | [SOUND_MIXER_VOLUME] = { 0, 0x0, 0x1, 1, 0x0000, 1 }, /* master */ | |
806 | [SOUND_MIXER_PCM] = { 1, 0x2, 0x3, 1, 0x0400, 1 }, /* voice */ | |
807 | [SOUND_MIXER_SYNTH] = { 2, 0x4, 0x5, 1, 0x0060, 1 }, /* FM */ | |
808 | [SOUND_MIXER_CD] = { 3, 0x6, 0x7, 1, 0x0006, 1 }, /* CD */ | |
809 | [SOUND_MIXER_LINE] = { 4, 0x8, 0x9, 1, 0x0018, 1 }, /* Line */ | |
810 | [SOUND_MIXER_LINE1] = { 5, 0xa, 0xb, 1, 0x1800, 1 }, /* AUX */ | |
811 | [SOUND_MIXER_LINE2] = { 6, 0xc, 0x0, 0, 0x0100, 1 }, /* Mono1 */ | |
812 | [SOUND_MIXER_LINE3] = { 7, 0xd, 0x0, 0, 0x0200, 1 }, /* Mono2 */ | |
813 | [SOUND_MIXER_MIC] = { 8, 0xe, 0x0, 0, 0x0001, 1 }, /* Mic */ | |
814 | [SOUND_MIXER_OGAIN] = { 9, 0xf, 0x0, 0, 0x0000, 1 } /* mono out */ | |
815 | }; | |
816 | ||
817 | static void set_recsrc(struct es1370_state *s, unsigned int val) | |
818 | { | |
819 | unsigned int i, j; | |
820 | ||
821 | for (j = i = 0; i < SOUND_MIXER_NRDEVICES; i++) { | |
822 | if (!(val & (1 << i))) | |
823 | continue; | |
824 | if (!mixtable[i].recmask) { | |
825 | val &= ~(1 << i); | |
826 | continue; | |
827 | } | |
828 | j |= mixtable[i].recmask; | |
829 | } | |
830 | s->mix.recsrc = val; | |
831 | wrcodec(s, 0x12, j & 0xd5); | |
832 | wrcodec(s, 0x13, j & 0xaa); | |
833 | wrcodec(s, 0x14, (j >> 8) & 0x17); | |
834 | wrcodec(s, 0x15, (j >> 8) & 0x0f); | |
835 | i = (j & 0x37f) | ((j << 1) & 0x3000) | 0xc60; | |
836 | if (!s->mix.imix) { | |
837 | i &= 0xff60; /* mute record and line monitor */ | |
838 | } | |
839 | wrcodec(s, 0x10, i); | |
840 | wrcodec(s, 0x11, i >> 8); | |
841 | } | |
842 | ||
843 | static int mixer_ioctl(struct es1370_state *s, unsigned int cmd, unsigned long arg) | |
844 | { | |
845 | unsigned long flags; | |
846 | int i, val; | |
847 | unsigned char l, r, rl, rr; | |
848 | int __user *p = (int __user *)arg; | |
849 | ||
850 | VALIDATE_STATE(s); | |
851 | if (cmd == SOUND_MIXER_PRIVATE1) { | |
852 | /* enable/disable/query mixer preamp */ | |
853 | if (get_user(val, p)) | |
854 | return -EFAULT; | |
855 | if (val != -1) { | |
856 | s->mix.micpreamp = !!val; | |
857 | wrcodec(s, 0x19, s->mix.micpreamp); | |
858 | } | |
859 | return put_user(s->mix.micpreamp, p); | |
860 | } | |
861 | if (cmd == SOUND_MIXER_PRIVATE2) { | |
862 | /* enable/disable/query use of linein as second lineout */ | |
863 | if (get_user(val, p)) | |
864 | return -EFAULT; | |
865 | if (val != -1) { | |
866 | spin_lock_irqsave(&s->lock, flags); | |
867 | if (val) | |
868 | s->ctrl |= CTRL_XCTL0; | |
869 | else | |
870 | s->ctrl &= ~CTRL_XCTL0; | |
871 | outl(s->ctrl, s->io+ES1370_REG_CONTROL); | |
872 | spin_unlock_irqrestore(&s->lock, flags); | |
873 | } | |
874 | return put_user((s->ctrl & CTRL_XCTL0) ? 1 : 0, p); | |
875 | } | |
876 | if (cmd == SOUND_MIXER_PRIVATE3) { | |
877 | /* enable/disable/query microphone impedance setting */ | |
878 | if (get_user(val, p)) | |
879 | return -EFAULT; | |
880 | if (val != -1) { | |
881 | spin_lock_irqsave(&s->lock, flags); | |
882 | if (val) | |
883 | s->ctrl |= CTRL_XCTL1; | |
884 | else | |
885 | s->ctrl &= ~CTRL_XCTL1; | |
886 | outl(s->ctrl, s->io+ES1370_REG_CONTROL); | |
887 | spin_unlock_irqrestore(&s->lock, flags); | |
888 | } | |
889 | return put_user((s->ctrl & CTRL_XCTL1) ? 1 : 0, p); | |
890 | } | |
891 | if (cmd == SOUND_MIXER_INFO) { | |
892 | mixer_info info; | |
893 | strncpy(info.id, "ES1370", sizeof(info.id)); | |
894 | strncpy(info.name, "Ensoniq ES1370", sizeof(info.name)); | |
895 | info.modify_counter = s->mix.modcnt; | |
896 | if (copy_to_user((void __user *)arg, &info, sizeof(info))) | |
897 | return -EFAULT; | |
898 | return 0; | |
899 | } | |
900 | if (cmd == SOUND_OLD_MIXER_INFO) { | |
901 | _old_mixer_info info; | |
902 | strncpy(info.id, "ES1370", sizeof(info.id)); | |
903 | strncpy(info.name, "Ensoniq ES1370", sizeof(info.name)); | |
904 | if (copy_to_user((void __user *)arg, &info, sizeof(info))) | |
905 | return -EFAULT; | |
906 | return 0; | |
907 | } | |
908 | if (cmd == OSS_GETVERSION) | |
909 | return put_user(SOUND_VERSION, p); | |
910 | if (_IOC_TYPE(cmd) != 'M' || _SIOC_SIZE(cmd) != sizeof(int)) | |
911 | return -EINVAL; | |
912 | if (_SIOC_DIR(cmd) == _SIOC_READ) { | |
913 | switch (_IOC_NR(cmd)) { | |
914 | case SOUND_MIXER_RECSRC: /* Arg contains a bit for each recording source */ | |
915 | return put_user(s->mix.recsrc, p); | |
916 | ||
917 | case SOUND_MIXER_DEVMASK: /* Arg contains a bit for each supported device */ | |
918 | val = SOUND_MASK_IMIX; | |
919 | for (i = 0; i < SOUND_MIXER_NRDEVICES; i++) | |
920 | if (mixtable[i].avail) | |
921 | val |= 1 << i; | |
922 | return put_user(val, p); | |
923 | ||
924 | case SOUND_MIXER_RECMASK: /* Arg contains a bit for each supported recording source */ | |
925 | for (val = i = 0; i < SOUND_MIXER_NRDEVICES; i++) | |
926 | if (mixtable[i].recmask) | |
927 | val |= 1 << i; | |
928 | return put_user(val, p); | |
929 | ||
930 | case SOUND_MIXER_STEREODEVS: /* Mixer channels supporting stereo */ | |
931 | for (val = i = 0; i < SOUND_MIXER_NRDEVICES; i++) | |
932 | if (mixtable[i].stereo) | |
933 | val |= 1 << i; | |
934 | return put_user(val, p); | |
935 | ||
936 | case SOUND_MIXER_CAPS: | |
937 | return put_user(0, p); | |
938 | ||
939 | case SOUND_MIXER_IMIX: | |
940 | return put_user(s->mix.imix, p); | |
941 | ||
942 | default: | |
943 | i = _IOC_NR(cmd); | |
944 | if (i >= SOUND_MIXER_NRDEVICES || !mixtable[i].avail) | |
945 | return -EINVAL; | |
946 | return put_user(s->mix.vol[mixtable[i].volidx], p); | |
947 | } | |
948 | } | |
949 | if (_SIOC_DIR(cmd) != (_SIOC_READ|_SIOC_WRITE)) | |
950 | return -EINVAL; | |
951 | s->mix.modcnt++; | |
952 | switch (_IOC_NR(cmd)) { | |
953 | ||
954 | case SOUND_MIXER_IMIX: | |
955 | if (get_user(s->mix.imix, p)) | |
956 | return -EFAULT; | |
957 | set_recsrc(s, s->mix.recsrc); | |
958 | return 0; | |
959 | ||
960 | case SOUND_MIXER_RECSRC: /* Arg contains a bit for each recording source */ | |
961 | if (get_user(val, p)) | |
962 | return -EFAULT; | |
963 | set_recsrc(s, val); | |
964 | return 0; | |
965 | ||
966 | default: | |
967 | i = _IOC_NR(cmd); | |
968 | if (i >= SOUND_MIXER_NRDEVICES || !mixtable[i].avail) | |
969 | return -EINVAL; | |
970 | if (get_user(val, p)) | |
971 | return -EFAULT; | |
972 | l = val & 0xff; | |
973 | if (l > 100) | |
974 | l = 100; | |
975 | if (mixtable[i].stereo) { | |
976 | r = (val >> 8) & 0xff; | |
977 | if (r > 100) | |
978 | r = 100; | |
979 | if (l < 7) { | |
980 | rl = 0x80; | |
981 | l = 0; | |
982 | } else { | |
983 | rl = 31 - ((l - 7) / 3); | |
984 | l = (31 - rl) * 3 + 7; | |
985 | } | |
986 | if (r < 7) { | |
987 | rr = 0x80; | |
988 | r = 0; | |
989 | } else { | |
990 | rr = 31 - ((r - 7) / 3); | |
991 | r = (31 - rr) * 3 + 7; | |
992 | } | |
993 | wrcodec(s, mixtable[i].right, rr); | |
994 | } else { | |
995 | if (mixtable[i].left == 15) { | |
996 | if (l < 2) { | |
997 | rr = rl = 0x80; | |
998 | r = l = 0; | |
999 | } else { | |
1000 | rl = 7 - ((l - 2) / 14); | |
1001 | r = l = (7 - rl) * 14 + 2; | |
1002 | } | |
1003 | } else { | |
1004 | if (l < 7) { | |
1005 | rl = 0x80; | |
1006 | r = l = 0; | |
1007 | } else { | |
1008 | rl = 31 - ((l - 7) / 3); | |
1009 | r = l = (31 - rl) * 3 + 7; | |
1010 | } | |
1011 | } | |
1012 | } | |
1013 | wrcodec(s, mixtable[i].left, rl); | |
1014 | #ifdef OSS_DOCUMENTED_MIXER_SEMANTICS | |
1015 | s->mix.vol[mixtable[i].volidx] = ((unsigned int)r << 8) | l; | |
1016 | #else | |
1017 | s->mix.vol[mixtable[i].volidx] = val; | |
1018 | #endif | |
1019 | return put_user(s->mix.vol[mixtable[i].volidx], p); | |
1020 | } | |
1021 | } | |
1022 | ||
1023 | /* --------------------------------------------------------------------- */ | |
1024 | ||
1025 | static int es1370_open_mixdev(struct inode *inode, struct file *file) | |
1026 | { | |
1027 | unsigned int minor = iminor(inode); | |
1028 | struct list_head *list; | |
1029 | struct es1370_state *s; | |
1030 | ||
1031 | for (list = devs.next; ; list = list->next) { | |
1032 | if (list == &devs) | |
1033 | return -ENODEV; | |
1034 | s = list_entry(list, struct es1370_state, devs); | |
1035 | if (s->dev_mixer == minor) | |
1036 | break; | |
1037 | } | |
1038 | VALIDATE_STATE(s); | |
1039 | file->private_data = s; | |
1040 | return nonseekable_open(inode, file); | |
1041 | } | |
1042 | ||
1043 | static int es1370_release_mixdev(struct inode *inode, struct file *file) | |
1044 | { | |
1045 | struct es1370_state *s = (struct es1370_state *)file->private_data; | |
1046 | ||
1047 | VALIDATE_STATE(s); | |
1048 | return 0; | |
1049 | } | |
1050 | ||
1051 | static int es1370_ioctl_mixdev(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) | |
1052 | { | |
1053 | return mixer_ioctl((struct es1370_state *)file->private_data, cmd, arg); | |
1054 | } | |
1055 | ||
1056 | static /*const*/ struct file_operations es1370_mixer_fops = { | |
1057 | .owner = THIS_MODULE, | |
1058 | .llseek = no_llseek, | |
1059 | .ioctl = es1370_ioctl_mixdev, | |
1060 | .open = es1370_open_mixdev, | |
1061 | .release = es1370_release_mixdev, | |
1062 | }; | |
1063 | ||
1064 | /* --------------------------------------------------------------------- */ | |
1065 | ||
1066 | static int drain_dac1(struct es1370_state *s, int nonblock) | |
1067 | { | |
1068 | DECLARE_WAITQUEUE(wait, current); | |
1069 | unsigned long flags; | |
1070 | int count, tmo; | |
1071 | ||
1072 | if (s->dma_dac1.mapped || !s->dma_dac1.ready) | |
1073 | return 0; | |
1074 | add_wait_queue(&s->dma_dac1.wait, &wait); | |
1075 | for (;;) { | |
1076 | __set_current_state(TASK_INTERRUPTIBLE); | |
1077 | spin_lock_irqsave(&s->lock, flags); | |
1078 | count = s->dma_dac1.count; | |
1079 | spin_unlock_irqrestore(&s->lock, flags); | |
1080 | if (count <= 0) | |
1081 | break; | |
1082 | if (signal_pending(current)) | |
1083 | break; | |
1084 | if (nonblock) { | |
1085 | remove_wait_queue(&s->dma_dac1.wait, &wait); | |
1086 | set_current_state(TASK_RUNNING); | |
1087 | return -EBUSY; | |
1088 | } | |
1089 | tmo = 3 * HZ * (count + s->dma_dac1.fragsize) / 2 | |
1090 | / dac1_samplerate[(s->ctrl & CTRL_WTSRSEL) >> CTRL_SH_WTSRSEL]; | |
1091 | tmo >>= sample_shift[(s->sctrl & SCTRL_P1FMT) >> SCTRL_SH_P1FMT]; | |
1092 | if (!schedule_timeout(tmo + 1)) | |
1093 | DBG(printk(KERN_DEBUG "es1370: dma timed out??\n");) | |
1094 | } | |
1095 | remove_wait_queue(&s->dma_dac1.wait, &wait); | |
1096 | set_current_state(TASK_RUNNING); | |
1097 | if (signal_pending(current)) | |
1098 | return -ERESTARTSYS; | |
1099 | return 0; | |
1100 | } | |
1101 | ||
1102 | static int drain_dac2(struct es1370_state *s, int nonblock) | |
1103 | { | |
1104 | DECLARE_WAITQUEUE(wait, current); | |
1105 | unsigned long flags; | |
1106 | int count, tmo; | |
1107 | ||
1108 | if (s->dma_dac2.mapped || !s->dma_dac2.ready) | |
1109 | return 0; | |
1110 | add_wait_queue(&s->dma_dac2.wait, &wait); | |
1111 | for (;;) { | |
1112 | __set_current_state(TASK_INTERRUPTIBLE); | |
1113 | spin_lock_irqsave(&s->lock, flags); | |
1114 | count = s->dma_dac2.count; | |
1115 | spin_unlock_irqrestore(&s->lock, flags); | |
1116 | if (count <= 0) | |
1117 | break; | |
1118 | if (signal_pending(current)) | |
1119 | break; | |
1120 | if (nonblock) { | |
1121 | remove_wait_queue(&s->dma_dac2.wait, &wait); | |
1122 | set_current_state(TASK_RUNNING); | |
1123 | return -EBUSY; | |
1124 | } | |
1125 | tmo = 3 * HZ * (count + s->dma_dac2.fragsize) / 2 | |
1126 | / DAC2_DIVTOSR((s->ctrl & CTRL_PCLKDIV) >> CTRL_SH_PCLKDIV); | |
1127 | tmo >>= sample_shift[(s->sctrl & SCTRL_P2FMT) >> SCTRL_SH_P2FMT]; | |
1128 | if (!schedule_timeout(tmo + 1)) | |
1129 | DBG(printk(KERN_DEBUG "es1370: dma timed out??\n");) | |
1130 | } | |
1131 | remove_wait_queue(&s->dma_dac2.wait, &wait); | |
1132 | set_current_state(TASK_RUNNING); | |
1133 | if (signal_pending(current)) | |
1134 | return -ERESTARTSYS; | |
1135 | return 0; | |
1136 | } | |
1137 | ||
1138 | /* --------------------------------------------------------------------- */ | |
1139 | ||
1140 | static ssize_t es1370_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos) | |
1141 | { | |
1142 | struct es1370_state *s = (struct es1370_state *)file->private_data; | |
1143 | DECLARE_WAITQUEUE(wait, current); | |
1144 | ssize_t ret = 0; | |
1145 | unsigned long flags; | |
1146 | unsigned swptr; | |
1147 | int cnt; | |
1148 | ||
1149 | VALIDATE_STATE(s); | |
1150 | if (s->dma_adc.mapped) | |
1151 | return -ENXIO; | |
1152 | if (!access_ok(VERIFY_WRITE, buffer, count)) | |
1153 | return -EFAULT; | |
1154 | down(&s->sem); | |
1155 | if (!s->dma_adc.ready && (ret = prog_dmabuf_adc(s))) | |
1156 | goto out; | |
1157 | ||
1158 | add_wait_queue(&s->dma_adc.wait, &wait); | |
1159 | while (count > 0) { | |
1160 | spin_lock_irqsave(&s->lock, flags); | |
1161 | swptr = s->dma_adc.swptr; | |
1162 | cnt = s->dma_adc.dmasize-swptr; | |
1163 | if (s->dma_adc.count < cnt) | |
1164 | cnt = s->dma_adc.count; | |
1165 | if (cnt <= 0) | |
1166 | __set_current_state(TASK_INTERRUPTIBLE); | |
1167 | spin_unlock_irqrestore(&s->lock, flags); | |
1168 | if (cnt > count) | |
1169 | cnt = count; | |
1170 | if (cnt <= 0) { | |
1171 | if (s->dma_adc.enabled) | |
1172 | start_adc(s); | |
1173 | if (file->f_flags & O_NONBLOCK) { | |
1174 | if (!ret) | |
1175 | ret = -EAGAIN; | |
1176 | goto out; | |
1177 | } | |
1178 | up(&s->sem); | |
1179 | schedule(); | |
1180 | if (signal_pending(current)) { | |
1181 | if (!ret) | |
1182 | ret = -ERESTARTSYS; | |
1183 | goto out; | |
1184 | } | |
1185 | down(&s->sem); | |
1186 | if (s->dma_adc.mapped) | |
1187 | { | |
1188 | ret = -ENXIO; | |
1189 | goto out; | |
1190 | } | |
1191 | continue; | |
1192 | } | |
1193 | if (copy_to_user(buffer, s->dma_adc.rawbuf + swptr, cnt)) { | |
1194 | if (!ret) | |
1195 | ret = -EFAULT; | |
1196 | goto out; | |
1197 | } | |
1198 | swptr = (swptr + cnt) % s->dma_adc.dmasize; | |
1199 | spin_lock_irqsave(&s->lock, flags); | |
1200 | s->dma_adc.swptr = swptr; | |
1201 | s->dma_adc.count -= cnt; | |
1202 | spin_unlock_irqrestore(&s->lock, flags); | |
1203 | count -= cnt; | |
1204 | buffer += cnt; | |
1205 | ret += cnt; | |
1206 | if (s->dma_adc.enabled) | |
1207 | start_adc(s); | |
1208 | } | |
1209 | out: | |
1210 | up(&s->sem); | |
1211 | remove_wait_queue(&s->dma_adc.wait, &wait); | |
1212 | set_current_state(TASK_RUNNING); | |
1213 | return ret; | |
1214 | } | |
1215 | ||
1216 | static ssize_t es1370_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos) | |
1217 | { | |
1218 | struct es1370_state *s = (struct es1370_state *)file->private_data; | |
1219 | DECLARE_WAITQUEUE(wait, current); | |
1220 | ssize_t ret = 0; | |
1221 | unsigned long flags; | |
1222 | unsigned swptr; | |
1223 | int cnt; | |
1224 | ||
1225 | VALIDATE_STATE(s); | |
1226 | if (s->dma_dac2.mapped) | |
1227 | return -ENXIO; | |
1228 | if (!access_ok(VERIFY_READ, buffer, count)) | |
1229 | return -EFAULT; | |
1230 | down(&s->sem); | |
1231 | if (!s->dma_dac2.ready && (ret = prog_dmabuf_dac2(s))) | |
1232 | goto out; | |
1233 | ret = 0; | |
1234 | add_wait_queue(&s->dma_dac2.wait, &wait); | |
1235 | while (count > 0) { | |
1236 | spin_lock_irqsave(&s->lock, flags); | |
1237 | if (s->dma_dac2.count < 0) { | |
1238 | s->dma_dac2.count = 0; | |
1239 | s->dma_dac2.swptr = s->dma_dac2.hwptr; | |
1240 | } | |
1241 | swptr = s->dma_dac2.swptr; | |
1242 | cnt = s->dma_dac2.dmasize-swptr; | |
1243 | if (s->dma_dac2.count + cnt > s->dma_dac2.dmasize) | |
1244 | cnt = s->dma_dac2.dmasize - s->dma_dac2.count; | |
1245 | if (cnt <= 0) | |
1246 | __set_current_state(TASK_INTERRUPTIBLE); | |
1247 | spin_unlock_irqrestore(&s->lock, flags); | |
1248 | if (cnt > count) | |
1249 | cnt = count; | |
1250 | if (cnt <= 0) { | |
1251 | if (s->dma_dac2.enabled) | |
1252 | start_dac2(s); | |
1253 | if (file->f_flags & O_NONBLOCK) { | |
1254 | if (!ret) | |
1255 | ret = -EAGAIN; | |
1256 | goto out; | |
1257 | } | |
1258 | up(&s->sem); | |
1259 | schedule(); | |
1260 | if (signal_pending(current)) { | |
1261 | if (!ret) | |
1262 | ret = -ERESTARTSYS; | |
1263 | goto out; | |
1264 | } | |
1265 | down(&s->sem); | |
1266 | if (s->dma_dac2.mapped) | |
1267 | { | |
1268 | ret = -ENXIO; | |
1269 | goto out; | |
1270 | } | |
1271 | continue; | |
1272 | } | |
1273 | if (copy_from_user(s->dma_dac2.rawbuf + swptr, buffer, cnt)) { | |
1274 | if (!ret) | |
1275 | ret = -EFAULT; | |
1276 | goto out; | |
1277 | } | |
1278 | swptr = (swptr + cnt) % s->dma_dac2.dmasize; | |
1279 | spin_lock_irqsave(&s->lock, flags); | |
1280 | s->dma_dac2.swptr = swptr; | |
1281 | s->dma_dac2.count += cnt; | |
1282 | s->dma_dac2.endcleared = 0; | |
1283 | spin_unlock_irqrestore(&s->lock, flags); | |
1284 | count -= cnt; | |
1285 | buffer += cnt; | |
1286 | ret += cnt; | |
1287 | if (s->dma_dac2.enabled) | |
1288 | start_dac2(s); | |
1289 | } | |
1290 | out: | |
1291 | up(&s->sem); | |
1292 | remove_wait_queue(&s->dma_dac2.wait, &wait); | |
1293 | set_current_state(TASK_RUNNING); | |
1294 | return ret; | |
1295 | } | |
1296 | ||
1297 | /* No kernel lock - we have our own spinlock */ | |
1298 | static unsigned int es1370_poll(struct file *file, struct poll_table_struct *wait) | |
1299 | { | |
1300 | struct es1370_state *s = (struct es1370_state *)file->private_data; | |
1301 | unsigned long flags; | |
1302 | unsigned int mask = 0; | |
1303 | ||
1304 | VALIDATE_STATE(s); | |
1305 | if (file->f_mode & FMODE_WRITE) { | |
1306 | if (!s->dma_dac2.ready && prog_dmabuf_dac2(s)) | |
1307 | return 0; | |
1308 | poll_wait(file, &s->dma_dac2.wait, wait); | |
1309 | } | |
1310 | if (file->f_mode & FMODE_READ) { | |
1311 | if (!s->dma_adc.ready && prog_dmabuf_adc(s)) | |
1312 | return 0; | |
1313 | poll_wait(file, &s->dma_adc.wait, wait); | |
1314 | } | |
1315 | spin_lock_irqsave(&s->lock, flags); | |
1316 | es1370_update_ptr(s); | |
1317 | if (file->f_mode & FMODE_READ) { | |
1318 | if (s->dma_adc.count >= (signed)s->dma_adc.fragsize) | |
1319 | mask |= POLLIN | POLLRDNORM; | |
1320 | } | |
1321 | if (file->f_mode & FMODE_WRITE) { | |
1322 | if (s->dma_dac2.mapped) { | |
1323 | if (s->dma_dac2.count >= (signed)s->dma_dac2.fragsize) | |
1324 | mask |= POLLOUT | POLLWRNORM; | |
1325 | } else { | |
1326 | if ((signed)s->dma_dac2.dmasize >= s->dma_dac2.count + (signed)s->dma_dac2.fragsize) | |
1327 | mask |= POLLOUT | POLLWRNORM; | |
1328 | } | |
1329 | } | |
1330 | spin_unlock_irqrestore(&s->lock, flags); | |
1331 | return mask; | |
1332 | } | |
1333 | ||
1334 | static int es1370_mmap(struct file *file, struct vm_area_struct *vma) | |
1335 | { | |
1336 | struct es1370_state *s = (struct es1370_state *)file->private_data; | |
1337 | struct dmabuf *db; | |
1338 | int ret = 0; | |
1339 | unsigned long size; | |
1340 | ||
1341 | VALIDATE_STATE(s); | |
1342 | lock_kernel(); | |
1343 | down(&s->sem); | |
1344 | if (vma->vm_flags & VM_WRITE) { | |
1345 | if ((ret = prog_dmabuf_dac2(s)) != 0) { | |
1346 | goto out; | |
1347 | } | |
1348 | db = &s->dma_dac2; | |
1349 | } else if (vma->vm_flags & VM_READ) { | |
1350 | if ((ret = prog_dmabuf_adc(s)) != 0) { | |
1351 | goto out; | |
1352 | } | |
1353 | db = &s->dma_adc; | |
1354 | } else { | |
1355 | ret = -EINVAL; | |
1356 | goto out; | |
1357 | } | |
1358 | if (vma->vm_pgoff != 0) { | |
1359 | ret = -EINVAL; | |
1360 | goto out; | |
1361 | } | |
1362 | size = vma->vm_end - vma->vm_start; | |
1363 | if (size > (PAGE_SIZE << db->buforder)) { | |
1364 | ret = -EINVAL; | |
1365 | goto out; | |
1366 | } | |
1367 | if (remap_pfn_range(vma, vma->vm_start, | |
1368 | virt_to_phys(db->rawbuf) >> PAGE_SHIFT, | |
1369 | size, vma->vm_page_prot)) { | |
1370 | ret = -EAGAIN; | |
1371 | goto out; | |
1372 | } | |
1373 | db->mapped = 1; | |
1374 | out: | |
1375 | up(&s->sem); | |
1376 | unlock_kernel(); | |
1377 | return ret; | |
1378 | } | |
1379 | ||
1380 | static int es1370_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) | |
1381 | { | |
1382 | struct es1370_state *s = (struct es1370_state *)file->private_data; | |
1383 | unsigned long flags; | |
1384 | audio_buf_info abinfo; | |
1385 | count_info cinfo; | |
1386 | int count; | |
1387 | int val, mapped, ret; | |
1388 | void __user *argp = (void __user *)arg; | |
1389 | int __user *p = argp; | |
1390 | ||
1391 | VALIDATE_STATE(s); | |
1392 | mapped = ((file->f_mode & FMODE_WRITE) && s->dma_dac2.mapped) || | |
1393 | ((file->f_mode & FMODE_READ) && s->dma_adc.mapped); | |
1394 | switch (cmd) { | |
1395 | case OSS_GETVERSION: | |
1396 | return put_user(SOUND_VERSION, p); | |
1397 | ||
1398 | case SNDCTL_DSP_SYNC: | |
1399 | if (file->f_mode & FMODE_WRITE) | |
1400 | return drain_dac2(s, 0/*file->f_flags & O_NONBLOCK*/); | |
1401 | return 0; | |
1402 | ||
1403 | case SNDCTL_DSP_SETDUPLEX: | |
1404 | return 0; | |
1405 | ||
1406 | case SNDCTL_DSP_GETCAPS: | |
1407 | return put_user(DSP_CAP_DUPLEX | DSP_CAP_REALTIME | DSP_CAP_TRIGGER | DSP_CAP_MMAP, p); | |
1408 | ||
1409 | case SNDCTL_DSP_RESET: | |
1410 | if (file->f_mode & FMODE_WRITE) { | |
1411 | stop_dac2(s); | |
1412 | synchronize_irq(s->irq); | |
1413 | s->dma_dac2.swptr = s->dma_dac2.hwptr = s->dma_dac2.count = s->dma_dac2.total_bytes = 0; | |
1414 | } | |
1415 | if (file->f_mode & FMODE_READ) { | |
1416 | stop_adc(s); | |
1417 | synchronize_irq(s->irq); | |
1418 | s->dma_adc.swptr = s->dma_adc.hwptr = s->dma_adc.count = s->dma_adc.total_bytes = 0; | |
1419 | } | |
1420 | return 0; | |
1421 | ||
1422 | case SNDCTL_DSP_SPEED: | |
1423 | if (get_user(val, p)) | |
1424 | return -EFAULT; | |
1425 | if (val >= 0) { | |
1426 | if (s->open_mode & (~file->f_mode) & (FMODE_READ|FMODE_WRITE)) | |
1427 | return -EINVAL; | |
1428 | if (val < 4000) | |
1429 | val = 4000; | |
1430 | if (val > 50000) | |
1431 | val = 50000; | |
1432 | stop_adc(s); | |
1433 | stop_dac2(s); | |
1434 | s->dma_adc.ready = s->dma_dac2.ready = 0; | |
1435 | spin_lock_irqsave(&s->lock, flags); | |
1436 | s->ctrl = (s->ctrl & ~CTRL_PCLKDIV) | (DAC2_SRTODIV(val) << CTRL_SH_PCLKDIV); | |
1437 | outl(s->ctrl, s->io+ES1370_REG_CONTROL); | |
1438 | spin_unlock_irqrestore(&s->lock, flags); | |
1439 | } | |
1440 | return put_user(DAC2_DIVTOSR((s->ctrl & CTRL_PCLKDIV) >> CTRL_SH_PCLKDIV), p); | |
1441 | ||
1442 | case SNDCTL_DSP_STEREO: | |
1443 | if (get_user(val, p)) | |
1444 | return -EFAULT; | |
1445 | if (file->f_mode & FMODE_READ) { | |
1446 | stop_adc(s); | |
1447 | s->dma_adc.ready = 0; | |
1448 | spin_lock_irqsave(&s->lock, flags); | |
1449 | if (val) | |
1450 | s->sctrl |= SCTRL_R1SMB; | |
1451 | else | |
1452 | s->sctrl &= ~SCTRL_R1SMB; | |
1453 | outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL); | |
1454 | spin_unlock_irqrestore(&s->lock, flags); | |
1455 | } | |
1456 | if (file->f_mode & FMODE_WRITE) { | |
1457 | stop_dac2(s); | |
1458 | s->dma_dac2.ready = 0; | |
1459 | spin_lock_irqsave(&s->lock, flags); | |
1460 | if (val) | |
1461 | s->sctrl |= SCTRL_P2SMB; | |
1462 | else | |
1463 | s->sctrl &= ~SCTRL_P2SMB; | |
1464 | outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL); | |
1465 | spin_unlock_irqrestore(&s->lock, flags); | |
1466 | } | |
1467 | return 0; | |
1468 | ||
1469 | case SNDCTL_DSP_CHANNELS: | |
1470 | if (get_user(val, p)) | |
1471 | return -EFAULT; | |
1472 | if (val != 0) { | |
1473 | if (file->f_mode & FMODE_READ) { | |
1474 | stop_adc(s); | |
1475 | s->dma_adc.ready = 0; | |
1476 | spin_lock_irqsave(&s->lock, flags); | |
1477 | if (val >= 2) | |
1478 | s->sctrl |= SCTRL_R1SMB; | |
1479 | else | |
1480 | s->sctrl &= ~SCTRL_R1SMB; | |
1481 | outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL); | |
1482 | spin_unlock_irqrestore(&s->lock, flags); | |
1483 | } | |
1484 | if (file->f_mode & FMODE_WRITE) { | |
1485 | stop_dac2(s); | |
1486 | s->dma_dac2.ready = 0; | |
1487 | spin_lock_irqsave(&s->lock, flags); | |
1488 | if (val >= 2) | |
1489 | s->sctrl |= SCTRL_P2SMB; | |
1490 | else | |
1491 | s->sctrl &= ~SCTRL_P2SMB; | |
1492 | outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL); | |
1493 | spin_unlock_irqrestore(&s->lock, flags); | |
1494 | } | |
1495 | } | |
1496 | return put_user((s->sctrl & ((file->f_mode & FMODE_READ) ? SCTRL_R1SMB : SCTRL_P2SMB)) ? 2 : 1, p); | |
1497 | ||
1498 | case SNDCTL_DSP_GETFMTS: /* Returns a mask */ | |
1499 | return put_user(AFMT_S16_LE|AFMT_U8, p); | |
1500 | ||
1501 | case SNDCTL_DSP_SETFMT: /* Selects ONE fmt*/ | |
1502 | if (get_user(val, p)) | |
1503 | return -EFAULT; | |
1504 | if (val != AFMT_QUERY) { | |
1505 | if (file->f_mode & FMODE_READ) { | |
1506 | stop_adc(s); | |
1507 | s->dma_adc.ready = 0; | |
1508 | spin_lock_irqsave(&s->lock, flags); | |
1509 | if (val == AFMT_S16_LE) | |
1510 | s->sctrl |= SCTRL_R1SEB; | |
1511 | else | |
1512 | s->sctrl &= ~SCTRL_R1SEB; | |
1513 | outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL); | |
1514 | spin_unlock_irqrestore(&s->lock, flags); | |
1515 | } | |
1516 | if (file->f_mode & FMODE_WRITE) { | |
1517 | stop_dac2(s); | |
1518 | s->dma_dac2.ready = 0; | |
1519 | spin_lock_irqsave(&s->lock, flags); | |
1520 | if (val == AFMT_S16_LE) | |
1521 | s->sctrl |= SCTRL_P2SEB; | |
1522 | else | |
1523 | s->sctrl &= ~SCTRL_P2SEB; | |
1524 | outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL); | |
1525 | spin_unlock_irqrestore(&s->lock, flags); | |
1526 | } | |
1527 | } | |
1528 | return put_user((s->sctrl & ((file->f_mode & FMODE_READ) ? SCTRL_R1SEB : SCTRL_P2SEB)) ? | |
1529 | AFMT_S16_LE : AFMT_U8, p); | |
1530 | ||
1531 | case SNDCTL_DSP_POST: | |
1532 | return 0; | |
1533 | ||
1534 | case SNDCTL_DSP_GETTRIGGER: | |
1535 | val = 0; | |
1536 | if (file->f_mode & FMODE_READ && s->ctrl & CTRL_ADC_EN) | |
1537 | val |= PCM_ENABLE_INPUT; | |
1538 | if (file->f_mode & FMODE_WRITE && s->ctrl & CTRL_DAC2_EN) | |
1539 | val |= PCM_ENABLE_OUTPUT; | |
1540 | return put_user(val, p); | |
1541 | ||
1542 | case SNDCTL_DSP_SETTRIGGER: | |
1543 | if (get_user(val, p)) | |
1544 | return -EFAULT; | |
1545 | if (file->f_mode & FMODE_READ) { | |
1546 | if (val & PCM_ENABLE_INPUT) { | |
1547 | if (!s->dma_adc.ready && (ret = prog_dmabuf_adc(s))) | |
1548 | return ret; | |
1549 | s->dma_adc.enabled = 1; | |
1550 | start_adc(s); | |
1551 | } else { | |
1552 | s->dma_adc.enabled = 0; | |
1553 | stop_adc(s); | |
1554 | } | |
1555 | } | |
1556 | if (file->f_mode & FMODE_WRITE) { | |
1557 | if (val & PCM_ENABLE_OUTPUT) { | |
1558 | if (!s->dma_dac2.ready && (ret = prog_dmabuf_dac2(s))) | |
1559 | return ret; | |
1560 | s->dma_dac2.enabled = 1; | |
1561 | start_dac2(s); | |
1562 | } else { | |
1563 | s->dma_dac2.enabled = 0; | |
1564 | stop_dac2(s); | |
1565 | } | |
1566 | } | |
1567 | return 0; | |
1568 | ||
1569 | case SNDCTL_DSP_GETOSPACE: | |
1570 | if (!(file->f_mode & FMODE_WRITE)) | |
1571 | return -EINVAL; | |
1572 | if (!s->dma_dac2.ready && (val = prog_dmabuf_dac2(s)) != 0) | |
1573 | return val; | |
1574 | spin_lock_irqsave(&s->lock, flags); | |
1575 | es1370_update_ptr(s); | |
1576 | abinfo.fragsize = s->dma_dac2.fragsize; | |
1577 | count = s->dma_dac2.count; | |
1578 | if (count < 0) | |
1579 | count = 0; | |
1580 | abinfo.bytes = s->dma_dac2.dmasize - count; | |
1581 | abinfo.fragstotal = s->dma_dac2.numfrag; | |
1582 | abinfo.fragments = abinfo.bytes >> s->dma_dac2.fragshift; | |
1583 | spin_unlock_irqrestore(&s->lock, flags); | |
1584 | return copy_to_user(argp, &abinfo, sizeof(abinfo)) ? -EFAULT : 0; | |
1585 | ||
1586 | case SNDCTL_DSP_GETISPACE: | |
1587 | if (!(file->f_mode & FMODE_READ)) | |
1588 | return -EINVAL; | |
1589 | if (!s->dma_adc.ready && (val = prog_dmabuf_adc(s)) != 0) | |
1590 | return val; | |
1591 | spin_lock_irqsave(&s->lock, flags); | |
1592 | es1370_update_ptr(s); | |
1593 | abinfo.fragsize = s->dma_adc.fragsize; | |
1594 | count = s->dma_adc.count; | |
1595 | if (count < 0) | |
1596 | count = 0; | |
1597 | abinfo.bytes = count; | |
1598 | abinfo.fragstotal = s->dma_adc.numfrag; | |
1599 | abinfo.fragments = abinfo.bytes >> s->dma_adc.fragshift; | |
1600 | spin_unlock_irqrestore(&s->lock, flags); | |
1601 | return copy_to_user(argp, &abinfo, sizeof(abinfo)) ? -EFAULT : 0; | |
1602 | ||
1603 | case SNDCTL_DSP_NONBLOCK: | |
1604 | file->f_flags |= O_NONBLOCK; | |
1605 | return 0; | |
1606 | ||
1607 | case SNDCTL_DSP_GETODELAY: | |
1608 | if (!(file->f_mode & FMODE_WRITE)) | |
1609 | return -EINVAL; | |
1610 | if (!s->dma_dac2.ready && (val = prog_dmabuf_dac2(s)) != 0) | |
1611 | return val; | |
1612 | spin_lock_irqsave(&s->lock, flags); | |
1613 | es1370_update_ptr(s); | |
1614 | count = s->dma_dac2.count; | |
1615 | spin_unlock_irqrestore(&s->lock, flags); | |
1616 | if (count < 0) | |
1617 | count = 0; | |
1618 | return put_user(count, p); | |
1619 | ||
1620 | case SNDCTL_DSP_GETIPTR: | |
1621 | if (!(file->f_mode & FMODE_READ)) | |
1622 | return -EINVAL; | |
1623 | if (!s->dma_adc.ready && (val = prog_dmabuf_adc(s)) != 0) | |
1624 | return val; | |
1625 | spin_lock_irqsave(&s->lock, flags); | |
1626 | es1370_update_ptr(s); | |
1627 | cinfo.bytes = s->dma_adc.total_bytes; | |
1628 | count = s->dma_adc.count; | |
1629 | if (count < 0) | |
1630 | count = 0; | |
1631 | cinfo.blocks = count >> s->dma_adc.fragshift; | |
1632 | cinfo.ptr = s->dma_adc.hwptr; | |
1633 | if (s->dma_adc.mapped) | |
1634 | s->dma_adc.count &= s->dma_adc.fragsize-1; | |
1635 | spin_unlock_irqrestore(&s->lock, flags); | |
1636 | if (copy_to_user(argp, &cinfo, sizeof(cinfo))) | |
1637 | return -EFAULT; | |
1638 | return 0; | |
1639 | ||
1640 | case SNDCTL_DSP_GETOPTR: | |
1641 | if (!(file->f_mode & FMODE_WRITE)) | |
1642 | return -EINVAL; | |
1643 | if (!s->dma_dac2.ready && (val = prog_dmabuf_dac2(s)) != 0) | |
1644 | return val; | |
1645 | spin_lock_irqsave(&s->lock, flags); | |
1646 | es1370_update_ptr(s); | |
1647 | cinfo.bytes = s->dma_dac2.total_bytes; | |
1648 | count = s->dma_dac2.count; | |
1649 | if (count < 0) | |
1650 | count = 0; | |
1651 | cinfo.blocks = count >> s->dma_dac2.fragshift; | |
1652 | cinfo.ptr = s->dma_dac2.hwptr; | |
1653 | if (s->dma_dac2.mapped) | |
1654 | s->dma_dac2.count &= s->dma_dac2.fragsize-1; | |
1655 | spin_unlock_irqrestore(&s->lock, flags); | |
1656 | if (copy_to_user(argp, &cinfo, sizeof(cinfo))) | |
1657 | return -EFAULT; | |
1658 | return 0; | |
1659 | ||
1660 | case SNDCTL_DSP_GETBLKSIZE: | |
1661 | if (file->f_mode & FMODE_WRITE) { | |
1662 | if ((val = prog_dmabuf_dac2(s))) | |
1663 | return val; | |
1664 | return put_user(s->dma_dac2.fragsize, p); | |
1665 | } | |
1666 | if ((val = prog_dmabuf_adc(s))) | |
1667 | return val; | |
1668 | return put_user(s->dma_adc.fragsize, p); | |
1669 | ||
1670 | case SNDCTL_DSP_SETFRAGMENT: | |
1671 | if (get_user(val, p)) | |
1672 | return -EFAULT; | |
1673 | if (file->f_mode & FMODE_READ) { | |
1674 | s->dma_adc.ossfragshift = val & 0xffff; | |
1675 | s->dma_adc.ossmaxfrags = (val >> 16) & 0xffff; | |
1676 | if (s->dma_adc.ossfragshift < 4) | |
1677 | s->dma_adc.ossfragshift = 4; | |
1678 | if (s->dma_adc.ossfragshift > 15) | |
1679 | s->dma_adc.ossfragshift = 15; | |
1680 | if (s->dma_adc.ossmaxfrags < 4) | |
1681 | s->dma_adc.ossmaxfrags = 4; | |
1682 | } | |
1683 | if (file->f_mode & FMODE_WRITE) { | |
1684 | s->dma_dac2.ossfragshift = val & 0xffff; | |
1685 | s->dma_dac2.ossmaxfrags = (val >> 16) & 0xffff; | |
1686 | if (s->dma_dac2.ossfragshift < 4) | |
1687 | s->dma_dac2.ossfragshift = 4; | |
1688 | if (s->dma_dac2.ossfragshift > 15) | |
1689 | s->dma_dac2.ossfragshift = 15; | |
1690 | if (s->dma_dac2.ossmaxfrags < 4) | |
1691 | s->dma_dac2.ossmaxfrags = 4; | |
1692 | } | |
1693 | return 0; | |
1694 | ||
1695 | case SNDCTL_DSP_SUBDIVIDE: | |
1696 | if ((file->f_mode & FMODE_READ && s->dma_adc.subdivision) || | |
1697 | (file->f_mode & FMODE_WRITE && s->dma_dac2.subdivision)) | |
1698 | return -EINVAL; | |
1699 | if (get_user(val, p)) | |
1700 | return -EFAULT; | |
1701 | if (val != 1 && val != 2 && val != 4) | |
1702 | return -EINVAL; | |
1703 | if (file->f_mode & FMODE_READ) | |
1704 | s->dma_adc.subdivision = val; | |
1705 | if (file->f_mode & FMODE_WRITE) | |
1706 | s->dma_dac2.subdivision = val; | |
1707 | return 0; | |
1708 | ||
1709 | case SOUND_PCM_READ_RATE: | |
1710 | return put_user(DAC2_DIVTOSR((s->ctrl & CTRL_PCLKDIV) >> CTRL_SH_PCLKDIV), p); | |
1711 | ||
1712 | case SOUND_PCM_READ_CHANNELS: | |
1713 | return put_user((s->sctrl & ((file->f_mode & FMODE_READ) ? SCTRL_R1SMB : SCTRL_P2SMB)) ? | |
1714 | 2 : 1, p); | |
1715 | ||
1716 | case SOUND_PCM_READ_BITS: | |
1717 | return put_user((s->sctrl & ((file->f_mode & FMODE_READ) ? SCTRL_R1SEB : SCTRL_P2SEB)) ? | |
1718 | 16 : 8, p); | |
1719 | ||
1720 | case SOUND_PCM_WRITE_FILTER: | |
1721 | case SNDCTL_DSP_SETSYNCRO: | |
1722 | case SOUND_PCM_READ_FILTER: | |
1723 | return -EINVAL; | |
1724 | ||
1725 | } | |
1726 | return mixer_ioctl(s, cmd, arg); | |
1727 | } | |
1728 | ||
1729 | static int es1370_open(struct inode *inode, struct file *file) | |
1730 | { | |
1731 | unsigned int minor = iminor(inode); | |
1732 | DECLARE_WAITQUEUE(wait, current); | |
1733 | unsigned long flags; | |
1734 | struct list_head *list; | |
1735 | struct es1370_state *s; | |
1736 | ||
1737 | for (list = devs.next; ; list = list->next) { | |
1738 | if (list == &devs) | |
1739 | return -ENODEV; | |
1740 | s = list_entry(list, struct es1370_state, devs); | |
1741 | if (!((s->dev_audio ^ minor) & ~0xf)) | |
1742 | break; | |
1743 | } | |
1744 | VALIDATE_STATE(s); | |
1745 | file->private_data = s; | |
1746 | /* wait for device to become free */ | |
1747 | down(&s->open_sem); | |
1748 | while (s->open_mode & file->f_mode) { | |
1749 | if (file->f_flags & O_NONBLOCK) { | |
1750 | up(&s->open_sem); | |
1751 | return -EBUSY; | |
1752 | } | |
1753 | add_wait_queue(&s->open_wait, &wait); | |
1754 | __set_current_state(TASK_INTERRUPTIBLE); | |
1755 | up(&s->open_sem); | |
1756 | schedule(); | |
1757 | remove_wait_queue(&s->open_wait, &wait); | |
1758 | set_current_state(TASK_RUNNING); | |
1759 | if (signal_pending(current)) | |
1760 | return -ERESTARTSYS; | |
1761 | down(&s->open_sem); | |
1762 | } | |
1763 | spin_lock_irqsave(&s->lock, flags); | |
1764 | if (!(s->open_mode & (FMODE_READ|FMODE_WRITE))) | |
1765 | s->ctrl = (s->ctrl & ~CTRL_PCLKDIV) | (DAC2_SRTODIV(8000) << CTRL_SH_PCLKDIV); | |
1766 | if (file->f_mode & FMODE_READ) { | |
1767 | s->dma_adc.ossfragshift = s->dma_adc.ossmaxfrags = s->dma_adc.subdivision = 0; | |
1768 | s->dma_adc.enabled = 1; | |
1769 | s->sctrl &= ~SCTRL_R1FMT; | |
1770 | if ((minor & 0xf) == SND_DEV_DSP16) | |
1771 | s->sctrl |= ES1370_FMT_S16_MONO << SCTRL_SH_R1FMT; | |
1772 | else | |
1773 | s->sctrl |= ES1370_FMT_U8_MONO << SCTRL_SH_R1FMT; | |
1774 | } | |
1775 | if (file->f_mode & FMODE_WRITE) { | |
1776 | s->dma_dac2.ossfragshift = s->dma_dac2.ossmaxfrags = s->dma_dac2.subdivision = 0; | |
1777 | s->dma_dac2.enabled = 1; | |
1778 | s->sctrl &= ~SCTRL_P2FMT; | |
1779 | if ((minor & 0xf) == SND_DEV_DSP16) | |
1780 | s->sctrl |= ES1370_FMT_S16_MONO << SCTRL_SH_P2FMT; | |
1781 | else | |
1782 | s->sctrl |= ES1370_FMT_U8_MONO << SCTRL_SH_P2FMT; | |
1783 | } | |
1784 | outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL); | |
1785 | outl(s->ctrl, s->io+ES1370_REG_CONTROL); | |
1786 | spin_unlock_irqrestore(&s->lock, flags); | |
1787 | s->open_mode |= file->f_mode & (FMODE_READ | FMODE_WRITE); | |
1788 | up(&s->open_sem); | |
1789 | init_MUTEX(&s->sem); | |
1790 | return nonseekable_open(inode, file); | |
1791 | } | |
1792 | ||
1793 | static int es1370_release(struct inode *inode, struct file *file) | |
1794 | { | |
1795 | struct es1370_state *s = (struct es1370_state *)file->private_data; | |
1796 | ||
1797 | VALIDATE_STATE(s); | |
1798 | lock_kernel(); | |
1799 | if (file->f_mode & FMODE_WRITE) | |
1800 | drain_dac2(s, file->f_flags & O_NONBLOCK); | |
1801 | down(&s->open_sem); | |
1802 | if (file->f_mode & FMODE_WRITE) { | |
1803 | stop_dac2(s); | |
1804 | synchronize_irq(s->irq); | |
1805 | dealloc_dmabuf(s, &s->dma_dac2); | |
1806 | } | |
1807 | if (file->f_mode & FMODE_READ) { | |
1808 | stop_adc(s); | |
1809 | dealloc_dmabuf(s, &s->dma_adc); | |
1810 | } | |
1811 | s->open_mode &= ~(file->f_mode & (FMODE_READ|FMODE_WRITE)); | |
1812 | wake_up(&s->open_wait); | |
1813 | up(&s->open_sem); | |
1814 | unlock_kernel(); | |
1815 | return 0; | |
1816 | } | |
1817 | ||
1818 | static /*const*/ struct file_operations es1370_audio_fops = { | |
1819 | .owner = THIS_MODULE, | |
1820 | .llseek = no_llseek, | |
1821 | .read = es1370_read, | |
1822 | .write = es1370_write, | |
1823 | .poll = es1370_poll, | |
1824 | .ioctl = es1370_ioctl, | |
1825 | .mmap = es1370_mmap, | |
1826 | .open = es1370_open, | |
1827 | .release = es1370_release, | |
1828 | }; | |
1829 | ||
1830 | /* --------------------------------------------------------------------- */ | |
1831 | ||
1832 | static ssize_t es1370_write_dac(struct file *file, const char __user *buffer, size_t count, loff_t *ppos) | |
1833 | { | |
1834 | struct es1370_state *s = (struct es1370_state *)file->private_data; | |
1835 | DECLARE_WAITQUEUE(wait, current); | |
1836 | ssize_t ret = 0; | |
1837 | unsigned long flags; | |
1838 | unsigned swptr; | |
1839 | int cnt; | |
1840 | ||
1841 | VALIDATE_STATE(s); | |
1842 | if (s->dma_dac1.mapped) | |
1843 | return -ENXIO; | |
1844 | if (!s->dma_dac1.ready && (ret = prog_dmabuf_dac1(s))) | |
1845 | return ret; | |
1846 | if (!access_ok(VERIFY_READ, buffer, count)) | |
1847 | return -EFAULT; | |
1848 | add_wait_queue(&s->dma_dac1.wait, &wait); | |
1849 | while (count > 0) { | |
1850 | spin_lock_irqsave(&s->lock, flags); | |
1851 | if (s->dma_dac1.count < 0) { | |
1852 | s->dma_dac1.count = 0; | |
1853 | s->dma_dac1.swptr = s->dma_dac1.hwptr; | |
1854 | } | |
1855 | swptr = s->dma_dac1.swptr; | |
1856 | cnt = s->dma_dac1.dmasize-swptr; | |
1857 | if (s->dma_dac1.count + cnt > s->dma_dac1.dmasize) | |
1858 | cnt = s->dma_dac1.dmasize - s->dma_dac1.count; | |
1859 | if (cnt <= 0) | |
1860 | __set_current_state(TASK_INTERRUPTIBLE); | |
1861 | spin_unlock_irqrestore(&s->lock, flags); | |
1862 | if (cnt > count) | |
1863 | cnt = count; | |
1864 | if (cnt <= 0) { | |
1865 | if (s->dma_dac1.enabled) | |
1866 | start_dac1(s); | |
1867 | if (file->f_flags & O_NONBLOCK) { | |
1868 | if (!ret) | |
1869 | ret = -EAGAIN; | |
1870 | break; | |
1871 | } | |
1872 | schedule(); | |
1873 | if (signal_pending(current)) { | |
1874 | if (!ret) | |
1875 | ret = -ERESTARTSYS; | |
1876 | break; | |
1877 | } | |
1878 | continue; | |
1879 | } | |
1880 | if (copy_from_user(s->dma_dac1.rawbuf + swptr, buffer, cnt)) { | |
1881 | if (!ret) | |
1882 | ret = -EFAULT; | |
1883 | break; | |
1884 | } | |
1885 | swptr = (swptr + cnt) % s->dma_dac1.dmasize; | |
1886 | spin_lock_irqsave(&s->lock, flags); | |
1887 | s->dma_dac1.swptr = swptr; | |
1888 | s->dma_dac1.count += cnt; | |
1889 | s->dma_dac1.endcleared = 0; | |
1890 | spin_unlock_irqrestore(&s->lock, flags); | |
1891 | count -= cnt; | |
1892 | buffer += cnt; | |
1893 | ret += cnt; | |
1894 | if (s->dma_dac1.enabled) | |
1895 | start_dac1(s); | |
1896 | } | |
1897 | remove_wait_queue(&s->dma_dac1.wait, &wait); | |
1898 | set_current_state(TASK_RUNNING); | |
1899 | return ret; | |
1900 | } | |
1901 | ||
1902 | /* No kernel lock - we have our own spinlock */ | |
1903 | static unsigned int es1370_poll_dac(struct file *file, struct poll_table_struct *wait) | |
1904 | { | |
1905 | struct es1370_state *s = (struct es1370_state *)file->private_data; | |
1906 | unsigned long flags; | |
1907 | unsigned int mask = 0; | |
1908 | ||
1909 | VALIDATE_STATE(s); | |
1910 | if (!s->dma_dac1.ready && prog_dmabuf_dac1(s)) | |
1911 | return 0; | |
1912 | poll_wait(file, &s->dma_dac1.wait, wait); | |
1913 | spin_lock_irqsave(&s->lock, flags); | |
1914 | es1370_update_ptr(s); | |
1915 | if (s->dma_dac1.mapped) { | |
1916 | if (s->dma_dac1.count >= (signed)s->dma_dac1.fragsize) | |
1917 | mask |= POLLOUT | POLLWRNORM; | |
1918 | } else { | |
1919 | if ((signed)s->dma_dac1.dmasize >= s->dma_dac1.count + (signed)s->dma_dac1.fragsize) | |
1920 | mask |= POLLOUT | POLLWRNORM; | |
1921 | } | |
1922 | spin_unlock_irqrestore(&s->lock, flags); | |
1923 | return mask; | |
1924 | } | |
1925 | ||
1926 | static int es1370_mmap_dac(struct file *file, struct vm_area_struct *vma) | |
1927 | { | |
1928 | struct es1370_state *s = (struct es1370_state *)file->private_data; | |
1929 | int ret; | |
1930 | unsigned long size; | |
1931 | ||
1932 | VALIDATE_STATE(s); | |
1933 | if (!(vma->vm_flags & VM_WRITE)) | |
1934 | return -EINVAL; | |
1935 | lock_kernel(); | |
1936 | if ((ret = prog_dmabuf_dac1(s)) != 0) | |
1937 | goto out; | |
1938 | ret = -EINVAL; | |
1939 | if (vma->vm_pgoff != 0) | |
1940 | goto out; | |
1941 | size = vma->vm_end - vma->vm_start; | |
1942 | if (size > (PAGE_SIZE << s->dma_dac1.buforder)) | |
1943 | goto out; | |
1944 | ret = -EAGAIN; | |
1945 | if (remap_pfn_range(vma, vma->vm_start, | |
1946 | virt_to_phys(s->dma_dac1.rawbuf) >> PAGE_SHIFT, | |
1947 | size, vma->vm_page_prot)) | |
1948 | goto out; | |
1949 | s->dma_dac1.mapped = 1; | |
1950 | ret = 0; | |
1951 | out: | |
1952 | unlock_kernel(); | |
1953 | return ret; | |
1954 | } | |
1955 | ||
1956 | static int es1370_ioctl_dac(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) | |
1957 | { | |
1958 | struct es1370_state *s = (struct es1370_state *)file->private_data; | |
1959 | unsigned long flags; | |
1960 | audio_buf_info abinfo; | |
1961 | count_info cinfo; | |
1962 | int count; | |
1963 | unsigned ctrl; | |
1964 | int val, ret; | |
1965 | int __user *p = (int __user *)arg; | |
1966 | ||
1967 | VALIDATE_STATE(s); | |
1968 | switch (cmd) { | |
1969 | case OSS_GETVERSION: | |
1970 | return put_user(SOUND_VERSION, p); | |
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, p); | |
1980 | ||
1981 | case SNDCTL_DSP_RESET: | |
1982 | stop_dac1(s); | |
1983 | synchronize_irq(s->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, p)) | |
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], p); | |
2002 | ||
2003 | case SNDCTL_DSP_STEREO: | |
2004 | if (get_user(val, p)) | |
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, p)) | |
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, p); | |
2034 | ||
2035 | case SNDCTL_DSP_GETFMTS: /* Returns a mask */ | |
2036 | return put_user(AFMT_S16_LE|AFMT_U8, p); | |
2037 | ||
2038 | case SNDCTL_DSP_SETFMT: /* Selects ONE fmt*/ | |
2039 | if (get_user(val, p)) | |
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, p); | |
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, p); | |
2059 | ||
2060 | case SNDCTL_DSP_SETTRIGGER: | |
2061 | if (get_user(val, p)) | |
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 __user *)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, p); | |
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 | if (copy_to_user((void __user *)arg, &cinfo, sizeof(cinfo))) | |
2119 | return -EFAULT; | |
2120 | return 0; | |
2121 | ||
2122 | case SNDCTL_DSP_GETBLKSIZE: | |
2123 | if ((val = prog_dmabuf_dac1(s))) | |
2124 | return val; | |
2125 | return put_user(s->dma_dac1.fragsize, p); | |
2126 | ||
2127 | case SNDCTL_DSP_SETFRAGMENT: | |
2128 | if (get_user(val, p)) | |
2129 | return -EFAULT; | |
2130 | s->dma_dac1.ossfragshift = val & 0xffff; | |
2131 | s->dma_dac1.ossmaxfrags = (val >> 16) & 0xffff; | |
2132 | if (s->dma_dac1.ossfragshift < 4) | |
2133 | s->dma_dac1.ossfragshift = 4; | |
2134 | if (s->dma_dac1.ossfragshift > 15) | |
2135 | s->dma_dac1.ossfragshift = 15; | |
2136 | if (s->dma_dac1.ossmaxfrags < 4) | |
2137 | s->dma_dac1.ossmaxfrags = 4; | |
2138 | return 0; | |
2139 | ||
2140 | case SNDCTL_DSP_SUBDIVIDE: | |
2141 | if (s->dma_dac1.subdivision) | |
2142 | return -EINVAL; | |
2143 | if (get_user(val, p)) | |
2144 | return -EFAULT; | |
2145 | if (val != 1 && val != 2 && val != 4) | |
2146 | return -EINVAL; | |
2147 | s->dma_dac1.subdivision = val; | |
2148 | return 0; | |
2149 | ||
2150 | case SOUND_PCM_READ_RATE: | |
2151 | return put_user(dac1_samplerate[(s->ctrl & CTRL_WTSRSEL) >> CTRL_SH_WTSRSEL], p); | |
2152 | ||
2153 | case SOUND_PCM_READ_CHANNELS: | |
2154 | return put_user((s->sctrl & SCTRL_P1SMB) ? 2 : 1, p); | |
2155 | ||
2156 | case SOUND_PCM_READ_BITS: | |
2157 | return put_user((s->sctrl & SCTRL_P1SEB) ? 16 : 8, p); | |
2158 | ||
2159 | case SOUND_PCM_WRITE_FILTER: | |
2160 | case SNDCTL_DSP_SETSYNCRO: | |
2161 | case SOUND_PCM_READ_FILTER: | |
2162 | return -EINVAL; | |
2163 | ||
2164 | } | |
2165 | return mixer_ioctl(s, cmd, arg); | |
2166 | } | |
2167 | ||
2168 | static int es1370_open_dac(struct inode *inode, struct file *file) | |
2169 | { | |
2170 | unsigned int minor = iminor(inode); | |
2171 | DECLARE_WAITQUEUE(wait, current); | |
2172 | unsigned long flags; | |
2173 | struct list_head *list; | |
2174 | struct es1370_state *s; | |
2175 | ||
2176 | for (list = devs.next; ; list = list->next) { | |
2177 | if (list == &devs) | |
2178 | return -ENODEV; | |
2179 | s = list_entry(list, struct es1370_state, devs); | |
2180 | if (!((s->dev_dac ^ minor) & ~0xf)) | |
2181 | break; | |
2182 | } | |
2183 | VALIDATE_STATE(s); | |
2184 | /* we allow opening with O_RDWR, most programs do it although they will only write */ | |
2185 | #if 0 | |
2186 | if (file->f_mode & FMODE_READ) | |
2187 | return -EPERM; | |
2188 | #endif | |
2189 | if (!(file->f_mode & FMODE_WRITE)) | |
2190 | return -EINVAL; | |
2191 | file->private_data = s; | |
2192 | /* wait for device to become free */ | |
2193 | down(&s->open_sem); | |
2194 | while (s->open_mode & FMODE_DAC) { | |
2195 | if (file->f_flags & O_NONBLOCK) { | |
2196 | up(&s->open_sem); | |
2197 | return -EBUSY; | |
2198 | } | |
2199 | add_wait_queue(&s->open_wait, &wait); | |
2200 | __set_current_state(TASK_INTERRUPTIBLE); | |
2201 | up(&s->open_sem); | |
2202 | schedule(); | |
2203 | remove_wait_queue(&s->open_wait, &wait); | |
2204 | set_current_state(TASK_RUNNING); | |
2205 | if (signal_pending(current)) | |
2206 | return -ERESTARTSYS; | |
2207 | down(&s->open_sem); | |
2208 | } | |
2209 | s->dma_dac1.ossfragshift = s->dma_dac1.ossmaxfrags = s->dma_dac1.subdivision = 0; | |
2210 | s->dma_dac1.enabled = 1; | |
2211 | spin_lock_irqsave(&s->lock, flags); | |
2212 | s->ctrl = (s->ctrl & ~CTRL_WTSRSEL) | (1 << CTRL_SH_WTSRSEL); | |
2213 | s->sctrl &= ~SCTRL_P1FMT; | |
2214 | if ((minor & 0xf) == SND_DEV_DSP16) | |
2215 | s->sctrl |= ES1370_FMT_S16_MONO << SCTRL_SH_P1FMT; | |
2216 | else | |
2217 | s->sctrl |= ES1370_FMT_U8_MONO << SCTRL_SH_P1FMT; | |
2218 | outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL); | |
2219 | outl(s->ctrl, s->io+ES1370_REG_CONTROL); | |
2220 | spin_unlock_irqrestore(&s->lock, flags); | |
2221 | s->open_mode |= FMODE_DAC; | |
2222 | up(&s->open_sem); | |
2223 | return nonseekable_open(inode, file); | |
2224 | } | |
2225 | ||
2226 | static int es1370_release_dac(struct inode *inode, struct file *file) | |
2227 | { | |
2228 | struct es1370_state *s = (struct es1370_state *)file->private_data; | |
2229 | ||
2230 | VALIDATE_STATE(s); | |
2231 | lock_kernel(); | |
2232 | drain_dac1(s, file->f_flags & O_NONBLOCK); | |
2233 | down(&s->open_sem); | |
2234 | stop_dac1(s); | |
2235 | dealloc_dmabuf(s, &s->dma_dac1); | |
2236 | s->open_mode &= ~FMODE_DAC; | |
2237 | wake_up(&s->open_wait); | |
2238 | up(&s->open_sem); | |
2239 | unlock_kernel(); | |
2240 | return 0; | |
2241 | } | |
2242 | ||
2243 | static /*const*/ struct file_operations es1370_dac_fops = { | |
2244 | .owner = THIS_MODULE, | |
2245 | .llseek = no_llseek, | |
2246 | .write = es1370_write_dac, | |
2247 | .poll = es1370_poll_dac, | |
2248 | .ioctl = es1370_ioctl_dac, | |
2249 | .mmap = es1370_mmap_dac, | |
2250 | .open = es1370_open_dac, | |
2251 | .release = es1370_release_dac, | |
2252 | }; | |
2253 | ||
2254 | /* --------------------------------------------------------------------- */ | |
2255 | ||
2256 | static ssize_t es1370_midi_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos) | |
2257 | { | |
2258 | struct es1370_state *s = (struct es1370_state *)file->private_data; | |
2259 | DECLARE_WAITQUEUE(wait, current); | |
2260 | ssize_t ret; | |
2261 | unsigned long flags; | |
2262 | unsigned ptr; | |
2263 | int cnt; | |
2264 | ||
2265 | VALIDATE_STATE(s); | |
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 __user *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 (!access_ok(VERIFY_READ, buffer, count)) | |
2328 | return -EFAULT; | |
2329 | if (count == 0) | |
2330 | return 0; | |
2331 | ret = 0; | |
2332 | add_wait_queue(&s->midi.owait, &wait); | |
2333 | while (count > 0) { | |
2334 | spin_lock_irqsave(&s->lock, flags); | |
2335 | ptr = s->midi.owr; | |
2336 | cnt = MIDIOUTBUF - ptr; | |
2337 | if (s->midi.ocnt + cnt > MIDIOUTBUF) | |
2338 | cnt = MIDIOUTBUF - s->midi.ocnt; | |
2339 | if (cnt <= 0) { | |
2340 | __set_current_state(TASK_INTERRUPTIBLE); | |
2341 | es1370_handle_midi(s); | |
2342 | } | |
2343 | spin_unlock_irqrestore(&s->lock, flags); | |
2344 | if (cnt > count) | |
2345 | cnt = count; | |
2346 | if (cnt <= 0) { | |
2347 | if (file->f_flags & O_NONBLOCK) { | |
2348 | if (!ret) | |
2349 | ret = -EAGAIN; | |
2350 | break; | |
2351 | } | |
2352 | schedule(); | |
2353 | if (signal_pending(current)) { | |
2354 | if (!ret) | |
2355 | ret = -ERESTARTSYS; | |
2356 | break; | |
2357 | } | |
2358 | continue; | |
2359 | } | |
2360 | if (copy_from_user(s->midi.obuf + ptr, buffer, cnt)) { | |
2361 | if (!ret) | |
2362 | ret = -EFAULT; | |
2363 | break; | |
2364 | } | |
2365 | ptr = (ptr + cnt) % MIDIOUTBUF; | |
2366 | spin_lock_irqsave(&s->lock, flags); | |
2367 | s->midi.owr = ptr; | |
2368 | s->midi.ocnt += cnt; | |
2369 | spin_unlock_irqrestore(&s->lock, flags); | |
2370 | count -= cnt; | |
2371 | buffer += cnt; | |
2372 | ret += cnt; | |
2373 | spin_lock_irqsave(&s->lock, flags); | |
2374 | es1370_handle_midi(s); | |
2375 | spin_unlock_irqrestore(&s->lock, flags); | |
2376 | } | |
2377 | __set_current_state(TASK_RUNNING); | |
2378 | remove_wait_queue(&s->midi.owait, &wait); | |
2379 | return ret; | |
2380 | } | |
2381 | ||
2382 | /* No kernel lock - we have our own spinlock */ | |
2383 | static unsigned int es1370_midi_poll(struct file *file, struct poll_table_struct *wait) | |
2384 | { | |
2385 | struct es1370_state *s = (struct es1370_state *)file->private_data; | |
2386 | unsigned long flags; | |
2387 | unsigned int mask = 0; | |
2388 | ||
2389 | VALIDATE_STATE(s); | |
2390 | if (file->f_mode & FMODE_WRITE) | |
2391 | poll_wait(file, &s->midi.owait, wait); | |
2392 | if (file->f_mode & FMODE_READ) | |
2393 | poll_wait(file, &s->midi.iwait, wait); | |
2394 | spin_lock_irqsave(&s->lock, flags); | |
2395 | if (file->f_mode & FMODE_READ) { | |
2396 | if (s->midi.icnt > 0) | |
2397 | mask |= POLLIN | POLLRDNORM; | |
2398 | } | |
2399 | if (file->f_mode & FMODE_WRITE) { | |
2400 | if (s->midi.ocnt < MIDIOUTBUF) | |
2401 | mask |= POLLOUT | POLLWRNORM; | |
2402 | } | |
2403 | spin_unlock_irqrestore(&s->lock, flags); | |
2404 | return mask; | |
2405 | } | |
2406 | ||
2407 | static int es1370_midi_open(struct inode *inode, struct file *file) | |
2408 | { | |
2409 | unsigned int minor = iminor(inode); | |
2410 | DECLARE_WAITQUEUE(wait, current); | |
2411 | unsigned long flags; | |
2412 | struct list_head *list; | |
2413 | struct es1370_state *s; | |
2414 | ||
2415 | for (list = devs.next; ; list = list->next) { | |
2416 | if (list == &devs) | |
2417 | return -ENODEV; | |
2418 | s = list_entry(list, struct es1370_state, devs); | |
2419 | if (s->dev_midi == minor) | |
2420 | break; | |
2421 | } | |
2422 | VALIDATE_STATE(s); | |
2423 | file->private_data = s; | |
2424 | /* wait for device to become free */ | |
2425 | down(&s->open_sem); | |
2426 | while (s->open_mode & (file->f_mode << FMODE_MIDI_SHIFT)) { | |
2427 | if (file->f_flags & O_NONBLOCK) { | |
2428 | up(&s->open_sem); | |
2429 | return -EBUSY; | |
2430 | } | |
2431 | add_wait_queue(&s->open_wait, &wait); | |
2432 | __set_current_state(TASK_INTERRUPTIBLE); | |
2433 | up(&s->open_sem); | |
2434 | schedule(); | |
2435 | remove_wait_queue(&s->open_wait, &wait); | |
2436 | set_current_state(TASK_RUNNING); | |
2437 | if (signal_pending(current)) | |
2438 | return -ERESTARTSYS; | |
2439 | down(&s->open_sem); | |
2440 | } | |
2441 | spin_lock_irqsave(&s->lock, flags); | |
2442 | if (!(s->open_mode & (FMODE_MIDI_READ | FMODE_MIDI_WRITE))) { | |
2443 | s->midi.ird = s->midi.iwr = s->midi.icnt = 0; | |
2444 | s->midi.ord = s->midi.owr = s->midi.ocnt = 0; | |
2445 | outb(UCTRL_CNTRL_SWR, s->io+ES1370_REG_UART_CONTROL); | |
2446 | outb(0, s->io+ES1370_REG_UART_CONTROL); | |
2447 | outb(0, s->io+ES1370_REG_UART_TEST); | |
2448 | } | |
2449 | if (file->f_mode & FMODE_READ) { | |
2450 | s->midi.ird = s->midi.iwr = s->midi.icnt = 0; | |
2451 | } | |
2452 | if (file->f_mode & FMODE_WRITE) { | |
2453 | s->midi.ord = s->midi.owr = s->midi.ocnt = 0; | |
2454 | } | |
2455 | s->ctrl |= CTRL_UART_EN; | |
2456 | outl(s->ctrl, s->io+ES1370_REG_CONTROL); | |
2457 | es1370_handle_midi(s); | |
2458 | spin_unlock_irqrestore(&s->lock, flags); | |
2459 | s->open_mode |= (file->f_mode << FMODE_MIDI_SHIFT) & (FMODE_MIDI_READ | FMODE_MIDI_WRITE); | |
2460 | up(&s->open_sem); | |
2461 | return nonseekable_open(inode, file); | |
2462 | } | |
2463 | ||
2464 | static int es1370_midi_release(struct inode *inode, struct file *file) | |
2465 | { | |
2466 | struct es1370_state *s = (struct es1370_state *)file->private_data; | |
2467 | DECLARE_WAITQUEUE(wait, current); | |
2468 | unsigned long flags; | |
2469 | unsigned count, tmo; | |
2470 | ||
2471 | VALIDATE_STATE(s); | |
2472 | ||
2473 | lock_kernel(); | |
2474 | if (file->f_mode & FMODE_WRITE) { | |
2475 | add_wait_queue(&s->midi.owait, &wait); | |
2476 | for (;;) { | |
2477 | __set_current_state(TASK_INTERRUPTIBLE); | |
2478 | spin_lock_irqsave(&s->lock, flags); | |
2479 | count = s->midi.ocnt; | |
2480 | spin_unlock_irqrestore(&s->lock, flags); | |
2481 | if (count <= 0) | |
2482 | break; | |
2483 | if (signal_pending(current)) | |
2484 | break; | |
2485 | if (file->f_flags & O_NONBLOCK) | |
2486 | break; | |
2487 | tmo = (count * HZ) / 3100; | |
2488 | if (!schedule_timeout(tmo ? : 1) && tmo) | |
2489 | DBG(printk(KERN_DEBUG "es1370: midi timed out??\n");) | |
2490 | } | |
2491 | remove_wait_queue(&s->midi.owait, &wait); | |
2492 | set_current_state(TASK_RUNNING); | |
2493 | } | |
2494 | down(&s->open_sem); | |
2495 | s->open_mode &= ~((file->f_mode << FMODE_MIDI_SHIFT) & (FMODE_MIDI_READ|FMODE_MIDI_WRITE)); | |
2496 | spin_lock_irqsave(&s->lock, flags); | |
2497 | if (!(s->open_mode & (FMODE_MIDI_READ | FMODE_MIDI_WRITE))) { | |
2498 | s->ctrl &= ~CTRL_UART_EN; | |
2499 | outl(s->ctrl, s->io+ES1370_REG_CONTROL); | |
2500 | } | |
2501 | spin_unlock_irqrestore(&s->lock, flags); | |
2502 | wake_up(&s->open_wait); | |
2503 | up(&s->open_sem); | |
2504 | unlock_kernel(); | |
2505 | return 0; | |
2506 | } | |
2507 | ||
2508 | static /*const*/ struct file_operations es1370_midi_fops = { | |
2509 | .owner = THIS_MODULE, | |
2510 | .llseek = no_llseek, | |
2511 | .read = es1370_midi_read, | |
2512 | .write = es1370_midi_write, | |
2513 | .poll = es1370_midi_poll, | |
2514 | .open = es1370_midi_open, | |
2515 | .release = es1370_midi_release, | |
2516 | }; | |
2517 | ||
2518 | /* --------------------------------------------------------------------- */ | |
2519 | ||
2520 | /* maximum number of devices; only used for command line params */ | |
2521 | #define NR_DEVICE 5 | |
2522 | ||
2523 | static int lineout[NR_DEVICE]; | |
2524 | static int micbias[NR_DEVICE]; | |
2525 | ||
2526 | static unsigned int devindex; | |
2527 | ||
2528 | module_param_array(lineout, bool, NULL, 0); | |
2529 | MODULE_PARM_DESC(lineout, "if 1 the LINE input is converted to LINE out"); | |
2530 | module_param_array(micbias, bool, NULL, 0); | |
2531 | MODULE_PARM_DESC(micbias, "sets the +5V bias for an electret microphone"); | |
2532 | ||
2533 | MODULE_AUTHOR("Thomas M. Sailer, sailer@ife.ee.ethz.ch, hb9jnx@hb9w.che.eu"); | |
2534 | MODULE_DESCRIPTION("ES1370 AudioPCI Driver"); | |
2535 | MODULE_LICENSE("GPL"); | |
2536 | ||
2537 | ||
2538 | /* --------------------------------------------------------------------- */ | |
2539 | ||
2540 | static struct initvol { | |
2541 | int mixch; | |
2542 | int vol; | |
2543 | } initvol[] __devinitdata = { | |
2544 | { SOUND_MIXER_WRITE_VOLUME, 0x4040 }, | |
2545 | { SOUND_MIXER_WRITE_PCM, 0x4040 }, | |
2546 | { SOUND_MIXER_WRITE_SYNTH, 0x4040 }, | |
2547 | { SOUND_MIXER_WRITE_CD, 0x4040 }, | |
2548 | { SOUND_MIXER_WRITE_LINE, 0x4040 }, | |
2549 | { SOUND_MIXER_WRITE_LINE1, 0x4040 }, | |
2550 | { SOUND_MIXER_WRITE_LINE2, 0x4040 }, | |
2551 | { SOUND_MIXER_WRITE_LINE3, 0x4040 }, | |
2552 | { SOUND_MIXER_WRITE_MIC, 0x4040 }, | |
2553 | { SOUND_MIXER_WRITE_OGAIN, 0x4040 } | |
2554 | }; | |
2555 | ||
2556 | static int __devinit es1370_probe(struct pci_dev *pcidev, const struct pci_device_id *pciid) | |
2557 | { | |
2558 | struct es1370_state *s; | |
2559 | struct gameport *gp = NULL; | |
2560 | mm_segment_t fs; | |
2561 | int i, val, ret; | |
2562 | ||
2563 | if ((ret=pci_enable_device(pcidev))) | |
2564 | return ret; | |
2565 | ||
2566 | if ( !(pci_resource_flags(pcidev, 0) & IORESOURCE_IO) || | |
2567 | !pci_resource_start(pcidev, 0) | |
2568 | ) | |
2569 | return -ENODEV; | |
2570 | if (pcidev->irq == 0) | |
2571 | return -ENODEV; | |
2572 | i = pci_set_dma_mask(pcidev, 0xffffffff); | |
2573 | if (i) { | |
2574 | printk(KERN_WARNING "es1370: architecture does not support 32bit PCI busmaster DMA\n"); | |
2575 | return i; | |
2576 | } | |
2577 | if (!(s = kmalloc(sizeof(struct es1370_state), GFP_KERNEL))) { | |
2578 | printk(KERN_WARNING "es1370: out of memory\n"); | |
2579 | return -ENOMEM; | |
2580 | } | |
2581 | memset(s, 0, sizeof(struct es1370_state)); | |
2582 | init_waitqueue_head(&s->dma_adc.wait); | |
2583 | init_waitqueue_head(&s->dma_dac1.wait); | |
2584 | init_waitqueue_head(&s->dma_dac2.wait); | |
2585 | init_waitqueue_head(&s->open_wait); | |
2586 | init_waitqueue_head(&s->midi.iwait); | |
2587 | init_waitqueue_head(&s->midi.owait); | |
2588 | init_MUTEX(&s->open_sem); | |
2589 | spin_lock_init(&s->lock); | |
2590 | s->magic = ES1370_MAGIC; | |
2591 | s->dev = pcidev; | |
2592 | s->io = pci_resource_start(pcidev, 0); | |
2593 | s->irq = pcidev->irq; | |
2594 | if (!request_region(s->io, ES1370_EXTENT, "es1370")) { | |
2595 | printk(KERN_ERR "es1370: io ports %#lx-%#lx in use\n", s->io, s->io+ES1370_EXTENT-1); | |
2596 | ret = -EBUSY; | |
2597 | goto err_region; | |
2598 | } | |
2599 | if ((ret=request_irq(s->irq, es1370_interrupt, SA_SHIRQ, "es1370",s))) { | |
2600 | printk(KERN_ERR "es1370: irq %u in use\n", s->irq); | |
2601 | goto err_irq; | |
2602 | } | |
2603 | ||
2604 | /* initialize codec registers */ | |
2605 | /* note: setting CTRL_SERR_DIS is reported to break | |
2606 | * mic bias setting (by Kim.Berts@fisub.mail.abb.com) */ | |
2607 | s->ctrl = CTRL_CDC_EN | (DAC2_SRTODIV(8000) << CTRL_SH_PCLKDIV) | (1 << CTRL_SH_WTSRSEL); | |
2608 | if (!request_region(0x200, JOY_EXTENT, "es1370")) { | |
2609 | printk(KERN_ERR "es1370: joystick io port 0x200 in use\n"); | |
2610 | } else if (!(s->gameport = gp = gameport_allocate_port())) { | |
2611 | printk(KERN_ERR "es1370: can not allocate memory for gameport\n"); | |
2612 | release_region(0x200, JOY_EXTENT); | |
2613 | } else { | |
2614 | gameport_set_name(gp, "ESS1370"); | |
2615 | gameport_set_phys(gp, "pci%s/gameport0", pci_name(s->dev)); | |
2616 | gp->dev.parent = &s->dev->dev; | |
2617 | gp->io = 0x200; | |
2618 | s->ctrl |= CTRL_JYSTK_EN; | |
2619 | } | |
2620 | if (lineout[devindex]) | |
2621 | s->ctrl |= CTRL_XCTL0; | |
2622 | if (micbias[devindex]) | |
2623 | s->ctrl |= CTRL_XCTL1; | |
2624 | s->sctrl = 0; | |
2625 | printk(KERN_INFO "es1370: found adapter at io %#lx irq %u\n" | |
2626 | KERN_INFO "es1370: features: joystick %s, line %s, mic impedance %s\n", | |
2627 | s->io, s->irq, (s->ctrl & CTRL_JYSTK_EN) ? "on" : "off", | |
2628 | (s->ctrl & CTRL_XCTL0) ? "out" : "in", | |
2629 | (s->ctrl & CTRL_XCTL1) ? "1" : "0"); | |
2630 | /* register devices */ | |
2631 | if ((s->dev_audio = register_sound_dsp(&es1370_audio_fops, -1)) < 0) { | |
2632 | ret = s->dev_audio; | |
2633 | goto err_dev1; | |
2634 | } | |
2635 | if ((s->dev_mixer = register_sound_mixer(&es1370_mixer_fops, -1)) < 0) { | |
2636 | ret = s->dev_mixer; | |
2637 | goto err_dev2; | |
2638 | } | |
2639 | if ((s->dev_dac = register_sound_dsp(&es1370_dac_fops, -1)) < 0) { | |
2640 | ret = s->dev_dac; | |
2641 | goto err_dev3; | |
2642 | } | |
2643 | if ((s->dev_midi = register_sound_midi(&es1370_midi_fops, -1)) < 0) { | |
2644 | ret = s->dev_midi; | |
2645 | goto err_dev4; | |
2646 | } | |
2647 | /* initialize the chips */ | |
2648 | outl(s->ctrl, s->io+ES1370_REG_CONTROL); | |
2649 | outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL); | |
2650 | /* point phantom write channel to "bugbuf" */ | |
2651 | s->bugbuf_cpu = pci_alloc_consistent(pcidev,16,&s->bugbuf_dma); | |
2652 | if (!s->bugbuf_cpu) { | |
2653 | ret = -ENOMEM; | |
2654 | goto err_dev5; | |
2655 | } | |
2656 | outl((ES1370_REG_PHANTOM_FRAMEADR >> 8) & 15, s->io+ES1370_REG_MEMPAGE); | |
2657 | outl(s->bugbuf_dma, s->io+(ES1370_REG_PHANTOM_FRAMEADR & 0xff)); | |
2658 | outl(0, s->io+(ES1370_REG_PHANTOM_FRAMECNT & 0xff)); | |
2659 | pci_set_master(pcidev); /* enable bus mastering */ | |
2660 | wrcodec(s, 0x16, 3); /* no RST, PD */ | |
2661 | wrcodec(s, 0x17, 0); /* CODEC ADC and CODEC DAC use {LR,B}CLK2 and run off the LRCLK2 PLL; program DAC_SYNC=0!! */ | |
2662 | wrcodec(s, 0x18, 0); /* recording source is mixer */ | |
2663 | wrcodec(s, 0x19, s->mix.micpreamp = 1); /* turn on MIC preamp */ | |
2664 | s->mix.imix = 1; | |
2665 | fs = get_fs(); | |
2666 | set_fs(KERNEL_DS); | |
2667 | val = SOUND_MASK_LINE|SOUND_MASK_SYNTH|SOUND_MASK_CD; | |
2668 | mixer_ioctl(s, SOUND_MIXER_WRITE_RECSRC, (unsigned long)&val); | |
2669 | for (i = 0; i < sizeof(initvol)/sizeof(initvol[0]); i++) { | |
2670 | val = initvol[i].vol; | |
2671 | mixer_ioctl(s, initvol[i].mixch, (unsigned long)&val); | |
2672 | } | |
2673 | set_fs(fs); | |
2674 | ||
2675 | /* register gameport */ | |
2676 | if (gp) | |
2677 | gameport_register_port(gp); | |
2678 | ||
2679 | /* store it in the driver field */ | |
2680 | pci_set_drvdata(pcidev, s); | |
2681 | /* put it into driver list */ | |
2682 | list_add_tail(&s->devs, &devs); | |
2683 | /* increment devindex */ | |
2684 | if (devindex < NR_DEVICE-1) | |
2685 | devindex++; | |
2686 | return 0; | |
2687 | ||
2688 | err_dev5: | |
2689 | unregister_sound_midi(s->dev_midi); | |
2690 | err_dev4: | |
2691 | unregister_sound_dsp(s->dev_dac); | |
2692 | err_dev3: | |
2693 | unregister_sound_mixer(s->dev_mixer); | |
2694 | err_dev2: | |
2695 | unregister_sound_dsp(s->dev_audio); | |
2696 | err_dev1: | |
2697 | printk(KERN_ERR "es1370: cannot register misc device\n"); | |
2698 | free_irq(s->irq, s); | |
2699 | if (s->gameport) { | |
2700 | release_region(s->gameport->io, JOY_EXTENT); | |
2701 | gameport_free_port(s->gameport); | |
2702 | } | |
2703 | err_irq: | |
2704 | release_region(s->io, ES1370_EXTENT); | |
2705 | err_region: | |
2706 | kfree(s); | |
2707 | return ret; | |
2708 | } | |
2709 | ||
2710 | static void __devexit es1370_remove(struct pci_dev *dev) | |
2711 | { | |
2712 | struct es1370_state *s = pci_get_drvdata(dev); | |
2713 | ||
2714 | if (!s) | |
2715 | return; | |
2716 | list_del(&s->devs); | |
2717 | outl(CTRL_SERR_DIS | (1 << CTRL_SH_WTSRSEL), s->io+ES1370_REG_CONTROL); /* switch everything off */ | |
2718 | outl(0, s->io+ES1370_REG_SERIAL_CONTROL); /* clear serial interrupts */ | |
2719 | synchronize_irq(s->irq); | |
2720 | free_irq(s->irq, s); | |
2721 | if (s->gameport) { | |
2722 | int gpio = s->gameport->io; | |
2723 | gameport_unregister_port(s->gameport); | |
2724 | release_region(gpio, JOY_EXTENT); | |
2725 | } | |
2726 | release_region(s->io, ES1370_EXTENT); | |
2727 | unregister_sound_dsp(s->dev_audio); | |
2728 | unregister_sound_mixer(s->dev_mixer); | |
2729 | unregister_sound_dsp(s->dev_dac); | |
2730 | unregister_sound_midi(s->dev_midi); | |
2731 | pci_free_consistent(dev, 16, s->bugbuf_cpu, s->bugbuf_dma); | |
2732 | kfree(s); | |
2733 | pci_set_drvdata(dev, NULL); | |
2734 | } | |
2735 | ||
2736 | static struct pci_device_id id_table[] = { | |
2737 | { PCI_VENDOR_ID_ENSONIQ, PCI_DEVICE_ID_ENSONIQ_ES1370, PCI_ANY_ID, PCI_ANY_ID, 0, 0 }, | |
2738 | { 0, } | |
2739 | }; | |
2740 | ||
2741 | MODULE_DEVICE_TABLE(pci, id_table); | |
2742 | ||
2743 | static struct pci_driver es1370_driver = { | |
2744 | .name = "es1370", | |
2745 | .id_table = id_table, | |
2746 | .probe = es1370_probe, | |
2747 | .remove = __devexit_p(es1370_remove), | |
2748 | }; | |
2749 | ||
2750 | static int __init init_es1370(void) | |
2751 | { | |
2752 | printk(KERN_INFO "es1370: version v0.38 time " __TIME__ " " __DATE__ "\n"); | |
2753 | return pci_module_init(&es1370_driver); | |
2754 | } | |
2755 | ||
2756 | static void __exit cleanup_es1370(void) | |
2757 | { | |
2758 | printk(KERN_INFO "es1370: unloading\n"); | |
2759 | pci_unregister_driver(&es1370_driver); | |
2760 | } | |
2761 | ||
2762 | module_init(init_es1370); | |
2763 | module_exit(cleanup_es1370); | |
2764 | ||
2765 | /* --------------------------------------------------------------------- */ | |
2766 | ||
2767 | #ifndef MODULE | |
2768 | ||
2769 | /* format is: es1370=lineout[,micbias]] */ | |
2770 | ||
2771 | static int __init es1370_setup(char *str) | |
2772 | { | |
2773 | static unsigned __initdata nr_dev = 0; | |
2774 | ||
2775 | if (nr_dev >= NR_DEVICE) | |
2776 | return 0; | |
2777 | ||
2778 | (void) | |
2779 | ((get_option(&str,&lineout [nr_dev]) == 2) | |
2780 | && get_option(&str,&micbias [nr_dev]) | |
2781 | ); | |
2782 | ||
2783 | nr_dev++; | |
2784 | return 1; | |
2785 | } | |
2786 | ||
2787 | __setup("es1370=", es1370_setup); | |
2788 | ||
2789 | #endif /* MODULE */ |