1 /*****************************************************************************/
3 * cmpci.c -- C-Media PCI audio driver.
5 * Copyright (C) 1999 ChenLi Tien (cltien@cmedia.com.tw)
6 * C-media support (support@cmedia.com.tw)
8 * Based on the PCI drivers by Thomas Sailer (sailer@ife.ee.ethz.ch)
11 * http://members.home.net/puresoft/cmedia.html
12 * http://www.cmedia.com.tw
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2 of the License, or
17 * (at your option) any later version.
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
28 * Special thanks to David C. Niemi, Jan Pfeifer
31 * Module command line parameters:
36 * /dev/dsp standard /dev/dsp device, (mostly) OSS compatible
37 * /dev/mixer standard /dev/mixer device, (mostly) OSS compatible
38 * /dev/midi simple MIDI UART interface, no ioctl
40 * The card has both an FM and a Wavetable synth, but I have to figure
41 * out first how to drive them...
44 * 06.05.98 0.1 Initial release
45 * 10.05.98 0.2 Fixed many bugs, esp. ADC rate calculation
46 * First stab at a simple midi interface (no bells&whistles)
47 * 13.05.98 0.3 Fix stupid cut&paste error: set_adc_rate was called instead of
48 * set_dac_rate in the FMODE_WRITE case in cm_open
49 * Fix hwptr out of bounds (now mpg123 works)
50 * 14.05.98 0.4 Don't allow excessive interrupt rates
51 * 08.06.98 0.5 First release using Alan Cox' soundcore instead of miscdevice
52 * 03.08.98 0.6 Do not include modversions.h
53 * Now mixer behaviour can basically be selected between
54 * "OSS documented" and "OSS actual" behaviour
55 * 31.08.98 0.7 Fix realplayer problems - dac.count issues
56 * 10.12.98 0.8 Fix drain_dac trying to wait on not yet initialized DMA
57 * 16.12.98 0.9 Fix a few f_file & FMODE_ bugs
58 * 06.01.99 0.10 remove the silly SA_INTERRUPT flag.
59 * hopefully killed the egcs section type conflict
60 * 12.03.99 0.11 cinfo.blocks should be reset after GETxPTR ioctl.
61 * reported by Johan Maes <joma@telindus.be>
62 * 22.03.99 0.12 return EAGAIN instead of EBUSY when O_NONBLOCK
63 * read/write cannot be executed
64 * 18.08.99 1.5 Only deallocate DMA buffer when unloading.
65 * 02.09.99 1.6 Enable SPDIF LOOP
66 * Change the mixer read back
67 * 21.09.99 2.33 Use RCS version as driver version.
68 * Add support for modem, S/PDIF loop and 4 channels.
70 * Fix bug cause x11amp cannot play.
73 * Arnaldo Carvalho de Melo <acme@conectiva.com.br>
74 * 18/05/2001 - .bss nitpicks, fix a bug in set_dac_channels where it
75 * was calling prog_dmabuf with s->lock held, call missing
76 * unlock_kernel in cm_midi_release
77 * 08/10/2001 - use set_current_state in some more places
79 * Carlos Eduardo Gorges <carlos@techlinux.com.br>
81 * - SMP support ( spin[un]lock* revision )
82 * - speaker mixer support
84 * - optimizations and cleanups
85 * 03/01/2003 - open_mode fixes from Georg Acher <acher@in.tum.de>
88 /*****************************************************************************/
90 #include <linux/config.h>
91 #include <linux/module.h>
92 #include <linux/string.h>
93 #include <linux/interrupt.h>
94 #include <linux/ioport.h>
95 #include <linux/sched.h>
96 #include <linux/delay.h>
97 #include <linux/sound.h>
98 #include <linux/slab.h>
99 #include <linux/soundcard.h>
100 #include <linux/pci.h>
101 #include <linux/init.h>
102 #include <linux/poll.h>
103 #include <linux/spinlock.h>
104 #include <linux/smp_lock.h>
105 #include <linux/bitops.h>
106 #include <linux/wait.h>
109 #include <asm/page.h>
110 #include <asm/uaccess.h>
114 /* --------------------------------------------------------------------- */
115 #undef OSS_DOCUMENTED_MIXER_SEMANTICS
117 /* --------------------------------------------------------------------- */
119 #define CM_MAGIC ((PCI_VENDOR_ID_CMEDIA<<16)|PCI_DEVICE_ID_CMEDIA_CM8338A)
121 /* CM8338 registers definition ****************/
123 #define CODEC_CMI_FUNCTRL0 (0x00)
124 #define CODEC_CMI_FUNCTRL1 (0x04)
125 #define CODEC_CMI_CHFORMAT (0x08)
126 #define CODEC_CMI_INT_HLDCLR (0x0C)
127 #define CODEC_CMI_INT_STATUS (0x10)
128 #define CODEC_CMI_LEGACY_CTRL (0x14)
129 #define CODEC_CMI_MISC_CTRL (0x18)
130 #define CODEC_CMI_TDMA_POS (0x1C)
131 #define CODEC_CMI_MIXER (0x20)
132 #define CODEC_SB16_DATA (0x22)
133 #define CODEC_SB16_ADDR (0x23)
134 #define CODEC_CMI_MIXER1 (0x24)
135 #define CODEC_CMI_MIXER2 (0x25)
136 #define CODEC_CMI_AUX_VOL (0x26)
137 #define CODEC_CMI_MISC (0x27)
138 #define CODEC_CMI_AC97 (0x28)
140 #define CODEC_CMI_CH0_FRAME1 (0x80)
141 #define CODEC_CMI_CH0_FRAME2 (0x84)
142 #define CODEC_CMI_CH1_FRAME1 (0x88)
143 #define CODEC_CMI_CH1_FRAME2 (0x8C)
145 #define CODEC_CMI_EXT_REG (0xF0)
147 /* Mixer registers for SB16 ******************/
149 #define DSP_MIX_DATARESETIDX ((unsigned char)(0x00))
151 #define DSP_MIX_MASTERVOLIDX_L ((unsigned char)(0x30))
152 #define DSP_MIX_MASTERVOLIDX_R ((unsigned char)(0x31))
153 #define DSP_MIX_VOICEVOLIDX_L ((unsigned char)(0x32))
154 #define DSP_MIX_VOICEVOLIDX_R ((unsigned char)(0x33))
155 #define DSP_MIX_FMVOLIDX_L ((unsigned char)(0x34))
156 #define DSP_MIX_FMVOLIDX_R ((unsigned char)(0x35))
157 #define DSP_MIX_CDVOLIDX_L ((unsigned char)(0x36))
158 #define DSP_MIX_CDVOLIDX_R ((unsigned char)(0x37))
159 #define DSP_MIX_LINEVOLIDX_L ((unsigned char)(0x38))
160 #define DSP_MIX_LINEVOLIDX_R ((unsigned char)(0x39))
162 #define DSP_MIX_MICVOLIDX ((unsigned char)(0x3A))
163 #define DSP_MIX_SPKRVOLIDX ((unsigned char)(0x3B))
165 #define DSP_MIX_OUTMIXIDX ((unsigned char)(0x3C))
167 #define DSP_MIX_ADCMIXIDX_L ((unsigned char)(0x3D))
168 #define DSP_MIX_ADCMIXIDX_R ((unsigned char)(0x3E))
170 #define DSP_MIX_INGAINIDX_L ((unsigned char)(0x3F))
171 #define DSP_MIX_INGAINIDX_R ((unsigned char)(0x40))
172 #define DSP_MIX_OUTGAINIDX_L ((unsigned char)(0x41))
173 #define DSP_MIX_OUTGAINIDX_R ((unsigned char)(0x42))
175 #define DSP_MIX_AGCIDX ((unsigned char)(0x43))
177 #define DSP_MIX_TREBLEIDX_L ((unsigned char)(0x44))
178 #define DSP_MIX_TREBLEIDX_R ((unsigned char)(0x45))
179 #define DSP_MIX_BASSIDX_L ((unsigned char)(0x46))
180 #define DSP_MIX_BASSIDX_R ((unsigned char)(0x47))
182 #define CM_CH0_RESET 0x04
183 #define CM_CH1_RESET 0x08
184 #define CM_EXTENT_CODEC 0x100
185 #define CM_EXTENT_MIDI 0x2
186 #define CM_EXTENT_SYNTH 0x4
190 #define CM_CFMT_STEREO 0x01
191 #define CM_CFMT_16BIT 0x02
192 #define CM_CFMT_MASK 0x03
193 #define CM_CFMT_DACSHIFT 2
194 #define CM_CFMT_ADCSHIFT 0
196 static const unsigned sample_shift[] = { 0, 1, 1, 2 };
198 #define CM_ENABLE_CH1 0x2
199 #define CM_ENABLE_CH0 0x1
201 /* MIDI buffer sizes **************************/
203 #define MIDIINBUF 256
204 #define MIDIOUTBUF 256
206 #define FMODE_MIDI_SHIFT 2
207 #define FMODE_MIDI_READ (FMODE_READ << FMODE_MIDI_SHIFT)
208 #define FMODE_MIDI_WRITE (FMODE_WRITE << FMODE_MIDI_SHIFT)
210 #define FMODE_DMFM 0x10
212 #define SND_DEV_DSP16 5
214 #define NR_DEVICE 3 /* maximum number of devices */
216 /*********************************************/
219 unsigned int magic; /* magic */
220 struct cm_state *next; /* we keep cm cards in a linked list */
222 int dev_audio; /* soundcore stuff */
227 unsigned int iosb, iobase, iosynth,
228 iomidi, iogame, irq; /* hardware resources */
229 unsigned short deviceid; /* pci_id */
231 struct { /* mixer stuff */
233 unsigned short vol[13];
236 unsigned int rateadc, ratedac; /* wave stuff */
237 unsigned char fmt, enable;
240 struct semaphore open_sem;
242 wait_queue_head_t open_wait;
250 unsigned hwptr, swptr;
251 unsigned total_bytes;
253 unsigned error; /* over/underrun */
254 wait_queue_head_t wait;
256 unsigned fragsize; /* redundant, but makes calculations easier */
258 unsigned fragsamples;
261 unsigned mapped:1; /* OSS stuff */
263 unsigned endcleared:1;
264 unsigned ossfragshift;
266 unsigned subdivision;
269 struct { /* midi stuff */
270 unsigned ird, iwr, icnt;
271 unsigned ord, owr, ocnt;
272 wait_queue_head_t iwait;
273 wait_queue_head_t owait;
274 struct timer_list timer;
275 unsigned char ibuf[MIDIINBUF];
276 unsigned char obuf[MIDIOUTBUF];
282 int speakers; /* number of speakers */
283 int capability; /* HW capability, various for chip versions */
285 int status; /* HW or SW state */
287 int spdif_counter; /* spdif frame counter */
290 /* flags used for capability */
291 #define CAN_AC3_HW 0x00000001 /* 037 or later */
292 #define CAN_AC3_SW 0x00000002 /* 033 or later */
293 #define CAN_AC3 (CAN_AC3_HW | CAN_AC3_SW)
294 #define CAN_DUAL_DAC 0x00000004 /* 033 or later */
295 #define CAN_MULTI_CH_HW 0x00000008 /* 039 or later */
296 #define CAN_MULTI_CH (CAN_MULTI_CH_HW | CAN_DUAL_DAC)
297 #define CAN_LINE_AS_REAR 0x00000010 /* 033 or later */
298 #define CAN_LINE_AS_BASS 0x00000020 /* 039 or later */
299 #define CAN_MIC_AS_BASS 0x00000040 /* 039 or later */
301 /* flags used for status */
302 #define DO_AC3_HW 0x00000001
303 #define DO_AC3_SW 0x00000002
304 #define DO_AC3 (DO_AC3_HW | DO_AC3_SW)
305 #define DO_DUAL_DAC 0x00000004
306 #define DO_MULTI_CH_HW 0x00000008
307 #define DO_MULTI_CH (DO_MULTI_CH_HW | DO_DUAL_DAC)
308 #define DO_LINE_AS_REAR 0x00000010 /* 033 or later */
309 #define DO_LINE_AS_BASS 0x00000020 /* 039 or later */
310 #define DO_MIC_AS_BASS 0x00000040 /* 039 or later */
311 #define DO_SPDIF_OUT 0x00000100
312 #define DO_SPDIF_IN 0x00000200
313 #define DO_SPDIF_LOOP 0x00000400
315 static struct cm_state *devs;
316 static unsigned long wavetable_mem;
318 /* --------------------------------------------------------------------- */
320 static inline unsigned ld2(unsigned int x)
322 unsigned exp=16,l=5,r=0;
323 static const unsigned num[]={0x2,0x4,0x10,0x100,0x10000};
325 /* num: 2, 4, 16, 256, 65536 */
326 /* exp: 1, 2, 4, 8, 16 */
330 if(num[l]>2) x >>= exp;
339 /* --------------------------------------------------------------------- */
341 static void maskb(unsigned int addr, unsigned int mask, unsigned int value)
343 outb((inb(addr) & mask) | value, addr);
346 static void maskw(unsigned int addr, unsigned int mask, unsigned int value)
348 outw((inw(addr) & mask) | value, addr);
351 static void maskl(unsigned int addr, unsigned int mask, unsigned int value)
353 outl((inl(addr) & mask) | value, addr);
356 static void set_dmadac1(struct cm_state *s, unsigned int addr, unsigned int count)
359 outl(addr, s->iobase + CODEC_CMI_CH0_FRAME1);
360 outw(count - 1, s->iobase + CODEC_CMI_CH0_FRAME2);
361 maskb(s->iobase + CODEC_CMI_FUNCTRL0, ~1, 0);
364 static void set_dmaadc(struct cm_state *s, unsigned int addr, unsigned int count)
366 outl(addr, s->iobase + CODEC_CMI_CH0_FRAME1);
367 outw(count - 1, s->iobase + CODEC_CMI_CH0_FRAME2);
368 maskb(s->iobase + CODEC_CMI_FUNCTRL0, ~0, 1);
371 static void set_dmadac(struct cm_state *s, unsigned int addr, unsigned int count)
373 outl(addr, s->iobase + CODEC_CMI_CH1_FRAME1);
374 outw(count - 1, s->iobase + CODEC_CMI_CH1_FRAME2);
375 maskb(s->iobase + CODEC_CMI_FUNCTRL0, ~2, 0);
376 if (s->status & DO_DUAL_DAC)
377 set_dmadac1(s, 0, count);
380 static void set_countadc(struct cm_state *s, unsigned count)
382 outw(count - 1, s->iobase + CODEC_CMI_CH0_FRAME2 + 2);
385 static void set_countdac(struct cm_state *s, unsigned count)
387 outw(count - 1, s->iobase + CODEC_CMI_CH1_FRAME2 + 2);
388 if (s->status & DO_DUAL_DAC)
389 set_countadc(s, count);
392 static inline unsigned get_dmadac(struct cm_state *s)
394 unsigned int curr_addr;
396 curr_addr = inw(s->iobase + CODEC_CMI_CH1_FRAME2) + 1;
397 curr_addr <<= sample_shift[(s->fmt >> CM_CFMT_DACSHIFT) & CM_CFMT_MASK];
398 curr_addr = s->dma_dac.dmasize - curr_addr;
403 static inline unsigned get_dmaadc(struct cm_state *s)
405 unsigned int curr_addr;
407 curr_addr = inw(s->iobase + CODEC_CMI_CH0_FRAME2) + 1;
408 curr_addr <<= sample_shift[(s->fmt >> CM_CFMT_ADCSHIFT) & CM_CFMT_MASK];
409 curr_addr = s->dma_adc.dmasize - curr_addr;
414 static void wrmixer(struct cm_state *s, unsigned char idx, unsigned char data)
416 outb(idx, s->iobase + CODEC_SB16_ADDR);
418 outb(data, s->iobase + CODEC_SB16_DATA);
422 static unsigned char rdmixer(struct cm_state *s, unsigned char idx)
427 spin_lock_irqsave(&s->lock, flags);
428 outb(idx, s->iobase + CODEC_SB16_ADDR);
430 v = inb(s->iobase + CODEC_SB16_DATA);
432 spin_unlock_irqrestore(&s->lock, flags);
436 static void set_fmt_unlocked(struct cm_state *s, unsigned char mask, unsigned char data)
440 s->fmt = inb(s->iobase + CODEC_CMI_CHFORMAT);
443 s->fmt = (s->fmt & mask) | data;
444 outb(s->fmt, s->iobase + CODEC_CMI_CHFORMAT);
448 static void set_fmt(struct cm_state *s, unsigned char mask, unsigned char data)
452 spin_lock_irqsave(&s->lock, flags);
453 set_fmt_unlocked(s,mask,data);
454 spin_unlock_irqrestore(&s->lock, flags);
457 static void frobindir(struct cm_state *s, unsigned char idx, unsigned char mask, unsigned char data)
459 outb(idx, s->iobase + CODEC_SB16_ADDR);
461 outb((inb(s->iobase + CODEC_SB16_DATA) & mask) | data, s->iobase + CODEC_SB16_DATA);
472 { 5512, (0 + 5512) / 2, (5512 + 8000) / 2, 0 },
473 { 8000, (5512 + 8000) / 2, (8000 + 11025) / 2, 4 },
474 { 11025, (8000 + 11025) / 2, (11025 + 16000) / 2, 1 },
475 { 16000, (11025 + 16000) / 2, (16000 + 22050) / 2, 5 },
476 { 22050, (16000 + 22050) / 2, (22050 + 32000) / 2, 2 },
477 { 32000, (22050 + 32000) / 2, (32000 + 44100) / 2, 6 },
478 { 44100, (32000 + 44100) / 2, (44100 + 48000) / 2, 3 },
479 { 48000, (44100 + 48000) / 2, 48000, 7 }
482 static void set_spdifout_unlocked(struct cm_state *s, unsigned rate)
484 if (rate == 48000 || rate == 44100) {
485 // SPDIFI48K SPDF_ACc97
486 maskl(s->iobase + CODEC_CMI_MISC_CTRL, ~0x01008000, rate == 48000 ? 0x01008000 : 0);
488 maskb(s->iobase + CODEC_CMI_LEGACY_CTRL + 2, ~0, 0x80);
490 maskw(s->iobase + CODEC_CMI_FUNCTRL1, ~0, 0x240);
492 if (s->chip_version >= 39)
493 maskb(s->iobase + CODEC_CMI_MIXER1, ~0, 1);
494 s->status |= DO_SPDIF_OUT;
496 maskb(s->iobase + CODEC_CMI_LEGACY_CTRL + 2, ~0x80, 0);
497 maskw(s->iobase + CODEC_CMI_FUNCTRL1, ~0x240, 0);
498 if (s->chip_version >= 39)
499 maskb(s->iobase + CODEC_CMI_MIXER1, ~1, 0);
500 s->status &= ~DO_SPDIF_OUT;
504 static void set_spdifout(struct cm_state *s, unsigned rate)
508 spin_lock_irqsave(&s->lock, flags);
509 set_spdifout_unlocked(s,rate);
510 spin_unlock_irqrestore(&s->lock, flags);
513 /* find parity for bit 4~30 */
514 static unsigned parity(unsigned data)
519 data >>= 4; // start from bit 4
520 while (counter <= 30) {
529 static void set_ac3_unlocked(struct cm_state *s, unsigned rate)
532 if (rate == 48000 || rate == 44100) {
534 maskb(s->iobase + CODEC_CMI_MIXER1, ~0, 0x40);
535 // AC3EN for 037, 0x10
536 maskb(s->iobase + CODEC_CMI_CHFORMAT + 2, ~0, 0x10);
537 // AC3EN for 039, 0x04
538 maskb(s->iobase + CODEC_CMI_MISC_CTRL + 2, ~0, 0x04);
539 if (s->capability & CAN_AC3_HW) {
540 // SPD24SEL for 037, 0x02
541 // SPD24SEL for 039, 0x20, but cannot be set
542 maskb(s->iobase + CODEC_CMI_CHFORMAT + 2, ~0, 0x02);
543 s->status |= DO_AC3_HW;
544 if (s->chip_version >= 39)
545 maskb(s->iobase + CODEC_CMI_MIXER1, ~1, 0);
547 // SPD32SEL for 037 & 039, 0x20
548 maskb(s->iobase + CODEC_CMI_MISC_CTRL + 2, ~0, 0x20);
549 // set 176K sample rate to fix 033 HW bug
550 if (s->chip_version == 33) {
552 maskb(s->iobase + CODEC_CMI_CHFORMAT + 1, ~0, 0x08);
554 maskb(s->iobase + CODEC_CMI_CHFORMAT + 1, ~0x08, 0);
556 s->status |= DO_AC3_SW;
559 maskb(s->iobase + CODEC_CMI_MIXER1, ~0x40, 0);
560 maskb(s->iobase + CODEC_CMI_CHFORMAT + 2, ~0x32, 0);
561 maskb(s->iobase + CODEC_CMI_MISC_CTRL + 2, ~0x24, 0);
562 maskb(s->iobase + CODEC_CMI_CHFORMAT + 1, ~0x08, 0);
563 if (s->chip_version == 33)
564 maskb(s->iobase + CODEC_CMI_CHFORMAT + 1, ~0x08, 0);
565 if (s->chip_version >= 39)
566 maskb(s->iobase + CODEC_CMI_MIXER1, ~0, 1);
567 s->status &= ~DO_AC3;
569 s->spdif_counter = 0;
573 static void set_ac3(struct cm_state *s, unsigned rate)
577 spin_lock_irqsave(&s->lock, flags);
578 set_spdifout_unlocked(s, rate);
579 set_ac3_unlocked(s,rate);
580 spin_unlock_irqrestore(&s->lock, flags);
583 static int trans_ac3(struct cm_state *s, void *dest, const char *source, int size)
588 unsigned long *dst = (unsigned long *) dest;
589 unsigned short *src = (unsigned short *)source;
592 if ((err = __get_user(data, src++)))
594 data <<= 12; // ok for 16-bit data
595 if (s->spdif_counter == 2 || s->spdif_counter == 3)
596 data |= 0x40000000; // indicate AC-3 raw data
598 data |= 0x80000000; // parity
599 if (s->spdif_counter == 0)
600 data |= 3; // preamble 'M'
601 else if (s->spdif_counter & 1)
602 data |= 5; // odd, 'W'
604 data |= 9; // even, 'M'
607 if (s->spdif_counter == 384)
608 s->spdif_counter = 0;
614 static void set_adc_rate_unlocked(struct cm_state *s, unsigned rate)
616 unsigned char freq = 4;
623 for (i = 0; i < sizeof(rate_lookup) / sizeof(rate_lookup[0]); i++) {
624 if (rate > rate_lookup[i].lower && rate <= rate_lookup[i].upper) {
625 rate = rate_lookup[i].rate;
626 freq = rate_lookup[i].freq;
633 maskb(s->iobase + CODEC_CMI_FUNCTRL1 + 1, ~0x1c, freq);
636 static void set_adc_rate(struct cm_state *s, unsigned rate)
639 unsigned char freq = 4;
646 for (i = 0; i < sizeof(rate_lookup) / sizeof(rate_lookup[0]); i++) {
647 if (rate > rate_lookup[i].lower && rate <= rate_lookup[i].upper) {
648 rate = rate_lookup[i].rate;
649 freq = rate_lookup[i].freq;
656 spin_lock_irqsave(&s->lock, flags);
657 maskb(s->iobase + CODEC_CMI_FUNCTRL1 + 1, ~0x1c, freq);
658 spin_unlock_irqrestore(&s->lock, flags);
661 static void set_dac_rate(struct cm_state *s, unsigned rate)
664 unsigned char freq = 4;
671 for (i = 0; i < sizeof(rate_lookup) / sizeof(rate_lookup[0]); i++) {
672 if (rate > rate_lookup[i].lower && rate <= rate_lookup[i].upper) {
673 rate = rate_lookup[i].rate;
674 freq = rate_lookup[i].freq;
681 spin_lock_irqsave(&s->lock, flags);
682 maskb(s->iobase + CODEC_CMI_FUNCTRL1 + 1, ~0xe0, freq);
685 if (s->curr_channels <= 2)
686 set_spdifout_unlocked(s, rate);
687 if (s->status & DO_DUAL_DAC)
688 set_adc_rate_unlocked(s, rate);
690 spin_unlock_irqrestore(&s->lock, flags);
693 /* --------------------------------------------------------------------- */
694 static inline void reset_adc(struct cm_state *s)
696 /* reset bus master */
697 outb(s->enable | CM_CH0_RESET, s->iobase + CODEC_CMI_FUNCTRL0 + 2);
699 outb(s->enable & ~CM_CH0_RESET, s->iobase + CODEC_CMI_FUNCTRL0 + 2);
702 static inline void reset_dac(struct cm_state *s)
704 /* reset bus master */
705 outb(s->enable | CM_CH1_RESET, s->iobase + CODEC_CMI_FUNCTRL0 + 2);
706 outb(s->enable & ~CM_CH1_RESET, s->iobase + CODEC_CMI_FUNCTRL0 + 2);
707 if (s->status & DO_DUAL_DAC)
711 static inline void pause_adc(struct cm_state *s)
713 maskb(s->iobase + CODEC_CMI_FUNCTRL0, ~0, 4);
716 static inline void pause_dac(struct cm_state *s)
718 maskb(s->iobase + CODEC_CMI_FUNCTRL0, ~0, 8);
719 if (s->status & DO_DUAL_DAC)
723 static inline void disable_adc(struct cm_state *s)
725 /* disable channel */
726 s->enable &= ~CM_ENABLE_CH0;
727 outb(s->enable, s->iobase + CODEC_CMI_FUNCTRL0 + 2);
731 static inline void disable_dac(struct cm_state *s)
733 /* disable channel */
734 s->enable &= ~CM_ENABLE_CH1;
735 outb(s->enable, s->iobase + CODEC_CMI_FUNCTRL0 + 2);
737 if (s->status & DO_DUAL_DAC)
741 static inline void enable_adc(struct cm_state *s)
743 if (!(s->enable & CM_ENABLE_CH0)) {
745 s->enable |= CM_ENABLE_CH0;
746 outb(s->enable, s->iobase + CODEC_CMI_FUNCTRL0 + 2);
748 maskb(s->iobase + CODEC_CMI_FUNCTRL0, ~4, 0);
751 static inline void enable_dac_unlocked(struct cm_state *s)
753 if (!(s->enable & CM_ENABLE_CH1)) {
755 s->enable |= CM_ENABLE_CH1;
756 outb(s->enable, s->iobase + CODEC_CMI_FUNCTRL0 + 2);
758 maskb(s->iobase + CODEC_CMI_FUNCTRL0, ~8, 0);
760 if (s->status & DO_DUAL_DAC)
764 static inline void enable_dac(struct cm_state *s)
768 spin_lock_irqsave(&s->lock, flags);
769 enable_dac_unlocked(s);
770 spin_unlock_irqrestore(&s->lock, flags);
773 static inline void stop_adc_unlocked(struct cm_state *s)
775 if (s->enable & CM_ENABLE_CH0) {
776 /* disable interrupt */
777 maskb(s->iobase + CODEC_CMI_INT_HLDCLR + 2, ~1, 0);
782 static inline void stop_adc(struct cm_state *s)
786 spin_lock_irqsave(&s->lock, flags);
787 stop_adc_unlocked(s);
788 spin_unlock_irqrestore(&s->lock, flags);
792 static inline void stop_dac_unlocked(struct cm_state *s)
794 if (s->enable & CM_ENABLE_CH1) {
795 /* disable interrupt */
796 maskb(s->iobase + CODEC_CMI_INT_HLDCLR + 2, ~2, 0);
799 if (s->status & DO_DUAL_DAC)
800 stop_adc_unlocked(s);
803 static inline void stop_dac(struct cm_state *s)
807 spin_lock_irqsave(&s->lock, flags);
808 stop_dac_unlocked(s);
809 spin_unlock_irqrestore(&s->lock, flags);
812 static void start_adc_unlocked(struct cm_state *s)
814 if ((s->dma_adc.mapped || s->dma_adc.count < (signed)(s->dma_adc.dmasize - 2*s->dma_adc.fragsize))
815 && s->dma_adc.ready) {
816 /* enable interrupt */
817 maskb(s->iobase + CODEC_CMI_INT_HLDCLR + 2, ~0, 1);
822 static void start_adc(struct cm_state *s)
826 spin_lock_irqsave(&s->lock, flags);
827 start_adc_unlocked(s);
828 spin_unlock_irqrestore(&s->lock, flags);
831 static void start_dac1_unlocked(struct cm_state *s)
833 if ((s->dma_adc.mapped || s->dma_adc.count > 0) && s->dma_adc.ready) {
834 /* enable interrupt */
835 // maskb(s->iobase + CODEC_CMI_INT_HLDCLR + 2, ~0, 1);
836 enable_dac_unlocked(s);
840 static void start_dac_unlocked(struct cm_state *s)
842 if ((s->dma_dac.mapped || s->dma_dac.count > 0) && s->dma_dac.ready) {
843 /* enable interrupt */
844 maskb(s->iobase + CODEC_CMI_INT_HLDCLR + 2, ~0, 2);
845 enable_dac_unlocked(s);
847 if (s->status & DO_DUAL_DAC)
848 start_dac1_unlocked(s);
851 static void start_dac(struct cm_state *s)
855 spin_lock_irqsave(&s->lock, flags);
856 start_dac_unlocked(s);
857 spin_unlock_irqrestore(&s->lock, flags);
860 static int prog_dmabuf(struct cm_state *s, unsigned rec);
862 static int set_dac_channels(struct cm_state *s, int channels)
865 spin_lock_irqsave(&s->lock, flags);
867 if ((channels > 2) && (channels <= s->max_channels)
868 && (((s->fmt >> CM_CFMT_DACSHIFT) & CM_CFMT_MASK) == (CM_CFMT_STEREO | CM_CFMT_16BIT))) {
869 set_spdifout_unlocked(s, 0);
870 if (s->capability & CAN_MULTI_CH_HW) {
872 maskb(s->iobase + CODEC_CMI_LEGACY_CTRL + 3, ~0, 0x80);
874 maskb(s->iobase + CODEC_CMI_CHFORMAT + 3, ~0xa0, channels > 4 ? 0x80 : 0x20);
876 maskb(s->iobase + CODEC_CMI_LEGACY_CTRL + 1, ~0x80, channels == 6 ? 0x80 : 0);
878 maskb(s->iobase + CODEC_CMI_MISC_CTRL, ~0x80, channels == 6 ? 0x80 : 0);
879 s->status |= DO_MULTI_CH_HW;
880 } else if (s->capability & CAN_DUAL_DAC) {
881 unsigned char fmtm = ~0, fmts = 0;
884 // ENDBDAC, turn on double DAC mode
885 // XCHGDAC, CH0 -> back, CH1->front
886 maskb(s->iobase + CODEC_CMI_MISC_CTRL + 2, ~0, 0xC0);
887 s->status |= DO_DUAL_DAC;
888 // prepare secondary buffer
890 spin_unlock_irqrestore(&s->lock, flags);
891 ret = prog_dmabuf(s, 1);
893 spin_lock_irqsave(&s->lock, flags);
896 fmtm &= ~((CM_CFMT_STEREO | CM_CFMT_16BIT) << CM_CFMT_DACSHIFT);
897 fmtm &= ~((CM_CFMT_STEREO | CM_CFMT_16BIT) << CM_CFMT_ADCSHIFT);
898 // the HW only support 16-bit stereo
899 fmts |= CM_CFMT_16BIT << CM_CFMT_DACSHIFT;
900 fmts |= CM_CFMT_16BIT << CM_CFMT_ADCSHIFT;
901 fmts |= CM_CFMT_STEREO << CM_CFMT_DACSHIFT;
902 fmts |= CM_CFMT_STEREO << CM_CFMT_ADCSHIFT;
904 set_fmt_unlocked(s, fmtm, fmts);
905 set_adc_rate_unlocked(s, s->ratedac);
910 maskb(s->iobase + CODEC_CMI_MISC_CTRL + 3, ~0x04, 0);
911 s->curr_channels = channels;
913 if (s->status & DO_MULTI_CH_HW) {
914 maskb(s->iobase + CODEC_CMI_LEGACY_CTRL + 3, ~0x80, 0);
915 maskb(s->iobase + CODEC_CMI_CHFORMAT + 3, ~0xa0, 0);
916 maskb(s->iobase + CODEC_CMI_LEGACY_CTRL + 1, ~0x80, 0);
917 } else if (s->status & DO_DUAL_DAC) {
918 maskb(s->iobase + CODEC_CMI_MISC_CTRL + 2, ~0x80, 0);
920 // N4SPK3D, enable 4 speaker mode (analog duplicate)
922 maskb(s->iobase + CODEC_CMI_MISC_CTRL + 3, ~0, 0x04);
923 s->status &= ~DO_MULTI_CH;
924 s->curr_channels = s->fmt & (CM_CFMT_STEREO << CM_CFMT_DACSHIFT) ? 2 : 1;
927 spin_unlock_irqrestore(&s->lock, flags);
928 return s->curr_channels;
931 /* --------------------------------------------------------------------- */
933 #define DMABUF_DEFAULTORDER (16-PAGE_SHIFT)
934 #define DMABUF_MINORDER 1
936 static void dealloc_dmabuf(struct dmabuf *db)
938 struct page *pstart, *pend;
941 /* undo marking the pages as reserved */
942 pend = virt_to_page(db->rawbuf + (PAGE_SIZE << db->buforder) - 1);
943 for (pstart = virt_to_page(db->rawbuf); pstart <= pend; pstart++)
944 ClearPageReserved(pstart);
945 free_pages((unsigned long)db->rawbuf, db->buforder);
948 db->mapped = db->ready = 0;
951 /* Ch1 is used for playback, Ch0 is used for recording */
953 static int prog_dmabuf(struct cm_state *s, unsigned rec)
955 struct dmabuf *db = rec ? &s->dma_adc : &s->dma_dac;
956 unsigned rate = rec ? s->rateadc : s->ratedac;
960 struct page *pstart, *pend;
967 fmt >>= CM_CFMT_ADCSHIFT;
970 fmt >>= CM_CFMT_DACSHIFT;
974 db->hwptr = db->swptr = db->total_bytes = db->count = db->error = db->endcleared = 0;
976 db->ready = db->mapped = 0;
977 for (order = DMABUF_DEFAULTORDER; order >= DMABUF_MINORDER; order--)
978 if ((db->rawbuf = (void *)__get_free_pages(GFP_KERNEL | GFP_DMA, order)))
982 db->buforder = order;
983 db->rawphys = virt_to_bus(db->rawbuf);
984 if ((db->rawphys ^ (db->rawphys + (PAGE_SIZE << db->buforder) - 1)) & ~0xffff)
985 printk(KERN_DEBUG "cmpci: DMA buffer crosses 64k boundary: busaddr 0x%lx size %ld\n",
986 (long) db->rawphys, PAGE_SIZE << db->buforder);
987 if ((db->rawphys + (PAGE_SIZE << db->buforder) - 1) & ~0xffffff)
988 printk(KERN_DEBUG "cmpci: DMA buffer beyond 16MB: busaddr 0x%lx size %ld\n",
989 (long) db->rawphys, PAGE_SIZE << db->buforder);
990 /* now mark the pages as reserved; otherwise remap_page_range doesn't do what we want */
991 pend = virt_to_page(db->rawbuf + (PAGE_SIZE << db->buforder) - 1);
992 for (pstart = virt_to_page(db->rawbuf); pstart <= pend; pstart++)
993 SetPageReserved(pstart);
995 bytepersec = rate << sample_shift[fmt];
996 bufs = PAGE_SIZE << db->buforder;
997 if (db->ossfragshift) {
998 if ((1000 << db->ossfragshift) < bytepersec)
999 db->fragshift = ld2(bytepersec/1000);
1001 db->fragshift = db->ossfragshift;
1003 db->fragshift = ld2(bytepersec/100/(db->subdivision ? db->subdivision : 1));
1004 if (db->fragshift < 3)
1007 db->numfrag = bufs >> db->fragshift;
1008 while (db->numfrag < 4 && db->fragshift > 3) {
1010 db->numfrag = bufs >> db->fragshift;
1012 db->fragsize = 1 << db->fragshift;
1013 if (db->ossmaxfrags >= 4 && db->ossmaxfrags < db->numfrag)
1014 db->numfrag = db->ossmaxfrags;
1015 /* to make fragsize >= 4096 */
1016 db->fragsamples = db->fragsize >> sample_shift[fmt];
1017 db->dmasize = db->numfrag << db->fragshift;
1018 db->dmasamples = db->dmasize >> sample_shift[fmt];
1019 memset(db->rawbuf, (fmt & CM_CFMT_16BIT) ? 0 : 0x80, db->dmasize);
1020 spin_lock_irqsave(&s->lock, flags);
1022 if (s->status & DO_DUAL_DAC)
1023 set_dmadac1(s, db->rawphys, db->dmasize >> sample_shift[fmt]);
1025 set_dmaadc(s, db->rawphys, db->dmasize >> sample_shift[fmt]);
1026 /* program sample counts */
1027 set_countdac(s, db->fragsamples);
1029 set_dmadac(s, db->rawphys, db->dmasize >> sample_shift[fmt]);
1030 /* program sample counts */
1031 set_countdac(s, db->fragsamples);
1033 spin_unlock_irqrestore(&s->lock, flags);
1038 static inline void clear_advance(struct cm_state *s)
1040 unsigned char c = (s->fmt & (CM_CFMT_16BIT << CM_CFMT_DACSHIFT)) ? 0 : 0x80;
1041 unsigned char *buf = s->dma_dac.rawbuf;
1042 unsigned char *buf1 = s->dma_adc.rawbuf;
1043 unsigned bsize = s->dma_dac.dmasize;
1044 unsigned bptr = s->dma_dac.swptr;
1045 unsigned len = s->dma_dac.fragsize;
1047 if (bptr + len > bsize) {
1048 unsigned x = bsize - bptr;
1049 memset(buf + bptr, c, x);
1050 if (s->status & DO_DUAL_DAC)
1051 memset(buf1 + bptr, c, x);
1055 memset(buf + bptr, c, len);
1056 if (s->status & DO_DUAL_DAC)
1057 memset(buf1 + bptr, c, len);
1060 /* call with spinlock held! */
1061 static void cm_update_ptr(struct cm_state *s)
1066 /* update ADC pointer */
1067 if (s->dma_adc.ready) {
1068 if (s->status & DO_DUAL_DAC) {
1069 hwptr = get_dmaadc(s) % s->dma_adc.dmasize;
1070 diff = (s->dma_adc.dmasize + hwptr - s->dma_adc.hwptr) % s->dma_adc.dmasize;
1071 s->dma_adc.hwptr = hwptr;
1072 s->dma_adc.total_bytes += diff;
1073 if (s->dma_adc.mapped) {
1074 s->dma_adc.count += diff;
1075 if (s->dma_adc.count >= (signed)s->dma_adc.fragsize)
1076 wake_up(&s->dma_adc.wait);
1078 s->dma_adc.count -= diff;
1079 if (s->dma_adc.count <= 0) {
1082 } else if (s->dma_adc.count <= (signed)s->dma_adc.fragsize && !s->dma_adc.endcleared) {
1084 s->dma_adc.endcleared = 1;
1086 if (s->dma_dac.count + (signed)s->dma_dac.fragsize <= (signed)s->dma_dac.dmasize)
1087 wake_up(&s->dma_adc.wait);
1090 hwptr = get_dmaadc(s) % s->dma_adc.dmasize;
1091 diff = (s->dma_adc.dmasize + hwptr - s->dma_adc.hwptr) % s->dma_adc.dmasize;
1092 s->dma_adc.hwptr = hwptr;
1093 s->dma_adc.total_bytes += diff;
1094 s->dma_adc.count += diff;
1095 if (s->dma_adc.count >= (signed)s->dma_adc.fragsize)
1096 wake_up(&s->dma_adc.wait);
1097 if (!s->dma_adc.mapped) {
1098 if (s->dma_adc.count > (signed)(s->dma_adc.dmasize - ((3 * s->dma_adc.fragsize) >> 1))) {
1105 /* update DAC pointer */
1106 if (s->dma_dac.ready) {
1107 hwptr = get_dmadac(s) % s->dma_dac.dmasize;
1108 diff = (s->dma_dac.dmasize + hwptr - s->dma_dac.hwptr) % s->dma_dac.dmasize;
1109 s->dma_dac.hwptr = hwptr;
1110 s->dma_dac.total_bytes += diff;
1111 if (s->dma_dac.mapped) {
1112 s->dma_dac.count += diff;
1113 if (s->dma_dac.count >= (signed)s->dma_dac.fragsize)
1114 wake_up(&s->dma_dac.wait);
1116 s->dma_dac.count -= diff;
1117 if (s->dma_dac.count <= 0) {
1120 } else if (s->dma_dac.count <= (signed)s->dma_dac.fragsize && !s->dma_dac.endcleared) {
1122 s->dma_dac.endcleared = 1;
1124 if (s->dma_dac.count + (signed)s->dma_dac.fragsize <= (signed)s->dma_dac.dmasize)
1125 wake_up(&s->dma_dac.wait);
1130 #ifdef CONFIG_SOUND_CMPCI_MIDI
1131 /* hold spinlock for the following! */
1132 static void cm_handle_midi(struct cm_state *s)
1138 while (!(inb(s->iomidi+1) & 0x80)) {
1139 ch = inb(s->iomidi);
1140 if (s->midi.icnt < MIDIINBUF) {
1141 s->midi.ibuf[s->midi.iwr] = ch;
1142 s->midi.iwr = (s->midi.iwr + 1) % MIDIINBUF;
1148 wake_up(&s->midi.iwait);
1150 while (!(inb(s->iomidi+1) & 0x40) && s->midi.ocnt > 0) {
1151 outb(s->midi.obuf[s->midi.ord], s->iomidi);
1152 s->midi.ord = (s->midi.ord + 1) % MIDIOUTBUF;
1154 if (s->midi.ocnt < MIDIOUTBUF-16)
1158 wake_up(&s->midi.owait);
1162 static irqreturn_t cm_interrupt(int irq, void *dev_id, struct pt_regs *regs)
1164 struct cm_state *s = (struct cm_state *)dev_id;
1165 unsigned int intsrc, intstat;
1166 unsigned char mask = 0;
1168 /* fastpath out, to ease interrupt sharing */
1169 intsrc = inl(s->iobase + CODEC_CMI_INT_STATUS);
1170 if (!(intsrc & 0x80000000))
1172 spin_lock(&s->lock);
1173 intstat = inb(s->iobase + CODEC_CMI_INT_HLDCLR + 2);
1174 /* acknowledge interrupt */
1175 if (intsrc & CM_INT_CH0)
1177 if (intsrc & CM_INT_CH1)
1179 outb(intstat & ~mask, s->iobase + CODEC_CMI_INT_HLDCLR + 2);
1180 outb(intstat | mask, s->iobase + CODEC_CMI_INT_HLDCLR + 2);
1182 #ifdef CONFIG_SOUND_CMPCI_MIDI
1185 spin_unlock(&s->lock);
1189 #ifdef CONFIG_SOUND_CMPCI_MIDI
1190 static void cm_midi_timer(unsigned long data)
1192 struct cm_state *s = (struct cm_state *)data;
1193 unsigned long flags;
1195 spin_lock_irqsave(&s->lock, flags);
1197 spin_unlock_irqrestore(&s->lock, flags);
1198 s->midi.timer.expires = jiffies+1;
1199 add_timer(&s->midi.timer);
1203 /* --------------------------------------------------------------------- */
1205 static const char invalid_magic[] = KERN_CRIT "cmpci: invalid magic value\n";
1207 #ifdef CONFIG_SOUND_CMPCI /* support multiple chips */
1208 #define VALIDATE_STATE(s)
1210 #define VALIDATE_STATE(s) \
1212 if (!(s) || (s)->magic != CM_MAGIC) { \
1213 printk(invalid_magic); \
1219 /* --------------------------------------------------------------------- */
1223 #define MT_4MUTEMONO 3
1225 #define MT_5MUTEMONO 5
1227 static const struct {
1233 } mixtable[SOUND_MIXER_NRDEVICES] = {
1234 [SOUND_MIXER_CD] = { DSP_MIX_CDVOLIDX_L, DSP_MIX_CDVOLIDX_R, MT_5MUTE, 0x04, 0x02 },
1235 [SOUND_MIXER_LINE] = { DSP_MIX_LINEVOLIDX_L, DSP_MIX_LINEVOLIDX_R, MT_5MUTE, 0x10, 0x08 },
1236 [SOUND_MIXER_MIC] = { DSP_MIX_MICVOLIDX, DSP_MIX_MICVOLIDX, MT_5MUTEMONO, 0x01, 0x01 },
1237 [SOUND_MIXER_SYNTH] = { DSP_MIX_FMVOLIDX_L, DSP_MIX_FMVOLIDX_R, MT_5MUTE, 0x40, 0x00 },
1238 [SOUND_MIXER_VOLUME] = { DSP_MIX_MASTERVOLIDX_L, DSP_MIX_MASTERVOLIDX_R, MT_5MUTE, 0x00, 0x00 },
1239 [SOUND_MIXER_PCM] = { DSP_MIX_VOICEVOLIDX_L, DSP_MIX_VOICEVOLIDX_R, MT_5MUTE, 0x00, 0x00 },
1240 [SOUND_MIXER_SPEAKER]= { DSP_MIX_SPKRVOLIDX, DSP_MIX_SPKRVOLIDX, MT_5MUTEMONO, 0x01, 0x01 }
1243 static const unsigned char volidx[SOUND_MIXER_NRDEVICES] =
1245 [SOUND_MIXER_CD] = 1,
1246 [SOUND_MIXER_LINE] = 2,
1247 [SOUND_MIXER_MIC] = 3,
1248 [SOUND_MIXER_SYNTH] = 4,
1249 [SOUND_MIXER_VOLUME] = 5,
1250 [SOUND_MIXER_PCM] = 6,
1251 [SOUND_MIXER_SPEAKER]= 7
1254 static unsigned mixer_recmask(struct cm_state *s)
1258 j = rdmixer(s, DSP_MIX_ADCMIXIDX_L);
1260 for (k = i = 0; i < SOUND_MIXER_NRDEVICES; i++)
1261 if (j & mixtable[i].rec)
1266 static int mixer_ioctl(struct cm_state *s, unsigned int cmd, unsigned long arg)
1268 unsigned long flags;
1270 unsigned char l, r, rl, rr;
1273 if (cmd == SOUND_MIXER_INFO) {
1275 memset(&info, 0, sizeof(info));
1276 strlcpy(info.id, "cmpci", sizeof(info.id));
1277 strlcpy(info.name, "C-Media PCI", sizeof(info.name));
1278 info.modify_counter = s->mix.modcnt;
1279 if (copy_to_user((void *)arg, &info, sizeof(info)))
1283 if (cmd == SOUND_OLD_MIXER_INFO) {
1284 _old_mixer_info info;
1285 memset(&info, 0, sizeof(info));
1286 strlcpy(info.id, "cmpci", sizeof(info.id));
1287 strlcpy(info.name, "C-Media cmpci", sizeof(info.name));
1288 if (copy_to_user((void *)arg, &info, sizeof(info)))
1292 if (cmd == OSS_GETVERSION)
1293 return put_user(SOUND_VERSION, (int *)arg);
1294 if (_IOC_TYPE(cmd) != 'M' || _IOC_SIZE(cmd) != sizeof(int))
1296 if (_IOC_DIR(cmd) == _IOC_READ) {
1297 switch (_IOC_NR(cmd)) {
1298 case SOUND_MIXER_RECSRC: /* Arg contains a bit for each recording source */
1299 return put_user(mixer_recmask(s), (int *)arg);
1301 case SOUND_MIXER_OUTSRC: /* Arg contains a bit for each recording source */
1302 return put_user(mixer_recmask(s), (int *)arg);//need fix
1304 case SOUND_MIXER_DEVMASK: /* Arg contains a bit for each supported device */
1305 for (val = i = 0; i < SOUND_MIXER_NRDEVICES; i++)
1306 if (mixtable[i].type)
1308 return put_user(val, (int *)arg);
1310 case SOUND_MIXER_RECMASK: /* Arg contains a bit for each supported recording source */
1311 for (val = i = 0; i < SOUND_MIXER_NRDEVICES; i++)
1312 if (mixtable[i].rec)
1314 return put_user(val, (int *)arg);
1316 case SOUND_MIXER_OUTMASK: /* Arg contains a bit for each supported recording source */
1317 for (val = i = 0; i < SOUND_MIXER_NRDEVICES; i++)
1318 if (mixtable[i].play)
1320 return put_user(val, (int *)arg);
1322 case SOUND_MIXER_STEREODEVS: /* Mixer channels supporting stereo */
1323 for (val = i = 0; i < SOUND_MIXER_NRDEVICES; i++)
1324 if (mixtable[i].type && mixtable[i].type != MT_4MUTEMONO)
1326 return put_user(val, (int *)arg);
1328 case SOUND_MIXER_CAPS:
1329 return put_user(0, (int *)arg);
1333 if (i >= SOUND_MIXER_NRDEVICES || !mixtable[i].type)
1337 return put_user(s->mix.vol[volidx[i]-1], (int *)arg);
1340 if (_IOC_DIR(cmd) != (_IOC_READ|_IOC_WRITE))
1343 switch (_IOC_NR(cmd)) {
1344 case SOUND_MIXER_RECSRC: /* Arg contains a bit for each recording source */
1345 if (get_user(val, (int *)arg))
1347 i = generic_hweight32(val);
1348 for (j = i = 0; i < SOUND_MIXER_NRDEVICES; i++) {
1349 if (!(val & (1 << i)))
1351 if (!mixtable[i].rec) {
1355 j |= mixtable[i].rec;
1357 spin_lock_irqsave(&s->lock, flags);
1358 wrmixer(s, DSP_MIX_ADCMIXIDX_L, j);
1359 wrmixer(s, DSP_MIX_ADCMIXIDX_R, (j & 1) | (j>>1));
1360 spin_unlock_irqrestore(&s->lock, flags);
1363 case SOUND_MIXER_OUTSRC: /* Arg contains a bit for each recording source */
1364 if (get_user(val, (int *)arg))
1366 for (j = i = 0; i < SOUND_MIXER_NRDEVICES; i++) {
1367 if (!(val & (1 << i)))
1369 if (!mixtable[i].play) {
1373 j |= mixtable[i].play;
1375 spin_lock_irqsave(&s->lock, flags);
1376 frobindir(s, DSP_MIX_OUTMIXIDX, 0x1f, j);
1377 spin_unlock_irqrestore(&s->lock, flags);
1382 if (i >= SOUND_MIXER_NRDEVICES || !mixtable[i].type)
1384 if (get_user(val, (int *)arg))
1387 r = (val >> 8) & 0xff;
1392 spin_lock_irqsave(&s->lock, flags);
1393 switch (mixtable[i].type) {
1399 frobindir(s, mixtable[i].left, 0xf0, l / 6);
1400 frobindir(s, mixtable[i].right, 0xf0, l / 6);
1404 rl = (l < 4 ? 0 : (l - 5) / 3) & 31;
1406 wrmixer(s, mixtable[i].left, rl<<3);
1407 maskb(s->iobase + CODEC_CMI_MIXER2, ~0x0e, rr<<1);
1412 rl = l < 4 ? 0 : (l - 5) / 3;
1414 wrmixer(s, mixtable[i].left, rl<<3);
1415 maskb(s->iobase + CODEC_CMI_MIXER2, ~0x0e, rr<<1);
1419 rl = l < 4 ? 0 : (l - 5) / 3;
1420 rr = r < 4 ? 0 : (r - 5) / 3;
1421 wrmixer(s, mixtable[i].left, rl<<3);
1422 wrmixer(s, mixtable[i].right, rr<<3);
1434 wrmixer(s, mixtable[i].left, rl);
1435 wrmixer(s, mixtable[i].right, rr);
1438 spin_unlock_irqrestore(&s->lock, flags);
1442 s->mix.vol[volidx[i]-1] = val;
1443 return put_user(s->mix.vol[volidx[i]-1], (int *)arg);
1447 /* --------------------------------------------------------------------- */
1449 static int cm_open_mixdev(struct inode *inode, struct file *file)
1451 int minor = iminor(inode);
1452 struct cm_state *s = devs;
1454 while (s && s->dev_mixer != minor)
1459 file->private_data = s;
1463 static int cm_release_mixdev(struct inode *inode, struct file *file)
1467 s = file->private_data;
1473 static int cm_ioctl_mixdev(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
1475 return mixer_ioctl((struct cm_state *)file->private_data, cmd, arg);
1478 static /*const*/ struct file_operations cm_mixer_fops = {
1479 .owner = THIS_MODULE,
1480 .llseek = no_llseek,
1481 .ioctl = cm_ioctl_mixdev,
1482 .open = cm_open_mixdev,
1483 .release = cm_release_mixdev,
1487 /* --------------------------------------------------------------------- */
1489 static int drain_dac(struct cm_state *s, int nonblock)
1491 DECLARE_WAITQUEUE(wait, current);
1492 unsigned long flags;
1495 if (s->dma_dac.mapped || !s->dma_dac.ready)
1497 set_current_state(TASK_INTERRUPTIBLE);
1498 add_wait_queue(&s->dma_dac.wait, &wait);
1500 spin_lock_irqsave(&s->lock, flags);
1501 count = s->dma_dac.count;
1502 spin_unlock_irqrestore(&s->lock, flags);
1505 if (signal_pending(current))
1508 remove_wait_queue(&s->dma_dac.wait, &wait);
1509 set_current_state(TASK_RUNNING);
1512 tmo = 3 * HZ * (count + s->dma_dac.fragsize) / 2 / s->ratedac;
1513 tmo >>= sample_shift[(s->fmt >> CM_CFMT_DACSHIFT) & CM_CFMT_MASK];
1514 if (!schedule_timeout(tmo + 1))
1515 printk(KERN_DEBUG "cmpci: dma timed out??\n");
1517 remove_wait_queue(&s->dma_dac.wait, &wait);
1518 set_current_state(TASK_RUNNING);
1519 if (signal_pending(current))
1520 return -ERESTARTSYS;
1524 /* --------------------------------------------------------------------- */
1526 static ssize_t cm_read(struct file *file, char *buffer, size_t count, loff_t *ppos)
1528 struct cm_state *s = (struct cm_state *)file->private_data;
1530 unsigned long flags;
1535 if (ppos != &file->f_pos)
1537 if (s->dma_adc.mapped)
1539 if (!s->dma_adc.ready && (ret = prog_dmabuf(s, 1)))
1541 if (!access_ok(VERIFY_WRITE, buffer, count))
1546 spin_lock_irqsave(&s->lock, flags);
1547 swptr = s->dma_adc.swptr;
1548 cnt = s->dma_adc.dmasize-swptr;
1549 if (s->dma_adc.count < cnt)
1550 cnt = s->dma_adc.count;
1551 spin_unlock_irqrestore(&s->lock, flags);
1556 if (file->f_flags & O_NONBLOCK)
1557 return ret ? ret : -EAGAIN;
1558 if (!interruptible_sleep_on_timeout(&s->dma_adc.wait, HZ)) {
1559 printk(KERN_DEBUG "cmpci: read: chip lockup? dmasz %u fragsz %u count %i hwptr %u swptr %u\n",
1560 s->dma_adc.dmasize, s->dma_adc.fragsize, s->dma_adc.count,
1561 s->dma_adc.hwptr, s->dma_adc.swptr);
1562 spin_lock_irqsave(&s->lock, flags);
1563 stop_adc_unlocked(s);
1564 set_dmaadc(s, s->dma_adc.rawphys, s->dma_adc.dmasamples);
1565 /* program sample counts */
1566 set_countadc(s, s->dma_adc.fragsamples);
1567 s->dma_adc.count = s->dma_adc.hwptr = s->dma_adc.swptr = 0;
1568 spin_unlock_irqrestore(&s->lock, flags);
1570 if (signal_pending(current))
1571 return ret ? ret : -ERESTARTSYS;
1574 if (copy_to_user(buffer, s->dma_adc.rawbuf + swptr, cnt))
1575 return ret ? ret : -EFAULT;
1576 swptr = (swptr + cnt) % s->dma_adc.dmasize;
1577 spin_lock_irqsave(&s->lock, flags);
1578 s->dma_adc.swptr = swptr;
1579 s->dma_adc.count -= cnt;
1583 start_adc_unlocked(s);
1584 spin_unlock_irqrestore(&s->lock, flags);
1589 static ssize_t cm_write(struct file *file, const char *buffer, size_t count, loff_t *ppos)
1591 struct cm_state *s = (struct cm_state *)file->private_data;
1593 unsigned long flags;
1598 if (ppos != &file->f_pos)
1600 if (s->dma_dac.mapped)
1602 if (!s->dma_dac.ready && (ret = prog_dmabuf(s, 0)))
1604 if (!access_ok(VERIFY_READ, buffer, count))
1606 if (s->status & DO_DUAL_DAC) {
1607 if (s->dma_adc.mapped)
1609 if (!s->dma_adc.ready && (ret = prog_dmabuf(s, 1)))
1611 if (!access_ok(VERIFY_READ, buffer, count))
1617 spin_lock_irqsave(&s->lock, flags);
1618 if (s->dma_dac.count < 0) {
1619 s->dma_dac.count = 0;
1620 s->dma_dac.swptr = s->dma_dac.hwptr;
1622 if (s->status & DO_DUAL_DAC) {
1623 s->dma_adc.swptr = s->dma_dac.swptr;
1624 s->dma_adc.count = s->dma_dac.count;
1625 s->dma_adc.endcleared = s->dma_dac.endcleared;
1627 swptr = s->dma_dac.swptr;
1628 cnt = s->dma_dac.dmasize-swptr;
1629 if (s->status & DO_AC3_SW) {
1630 if (s->dma_dac.count + 2 * cnt > s->dma_dac.dmasize)
1631 cnt = (s->dma_dac.dmasize - s->dma_dac.count) / 2;
1633 if (s->dma_dac.count + cnt > s->dma_dac.dmasize)
1634 cnt = s->dma_dac.dmasize - s->dma_dac.count;
1636 spin_unlock_irqrestore(&s->lock, flags);
1639 if ((s->status & DO_DUAL_DAC) && (cnt > count / 2))
1643 if (file->f_flags & O_NONBLOCK)
1644 return ret ? ret : -EAGAIN;
1645 if (!interruptible_sleep_on_timeout(&s->dma_dac.wait, HZ)) {
1646 printk(KERN_DEBUG "cmpci: write: chip lockup? dmasz %u fragsz %u count %i hwptr %u swptr %u\n",
1647 s->dma_dac.dmasize, s->dma_dac.fragsize, s->dma_dac.count,
1648 s->dma_dac.hwptr, s->dma_dac.swptr);
1649 spin_lock_irqsave(&s->lock, flags);
1650 stop_dac_unlocked(s);
1651 set_dmadac(s, s->dma_dac.rawphys, s->dma_dac.dmasamples);
1652 /* program sample counts */
1653 set_countdac(s, s->dma_dac.fragsamples);
1654 s->dma_dac.count = s->dma_dac.hwptr = s->dma_dac.swptr = 0;
1655 if (s->status & DO_DUAL_DAC) {
1656 set_dmadac1(s, s->dma_adc.rawphys, s->dma_adc.dmasamples);
1657 s->dma_adc.count = s->dma_adc.hwptr = s->dma_adc.swptr = 0;
1659 spin_unlock_irqrestore(&s->lock, flags);
1661 if (signal_pending(current))
1662 return ret ? ret : -ERESTARTSYS;
1665 if (s->status & DO_AC3_SW) {
1668 // clip exceeded data, caught by 033 and 037
1669 if (swptr + 2 * cnt > s->dma_dac.dmasize)
1670 cnt = (s->dma_dac.dmasize - swptr) / 2;
1671 if ((err = trans_ac3(s, s->dma_dac.rawbuf + swptr, buffer, cnt)))
1673 swptr = (swptr + 2 * cnt) % s->dma_dac.dmasize;
1674 } else if (s->status & DO_DUAL_DAC) {
1676 unsigned long *src, *dst0, *dst1;
1678 src = (unsigned long *) buffer;
1679 dst0 = (unsigned long *) (s->dma_dac.rawbuf + swptr);
1680 dst1 = (unsigned long *) (s->dma_adc.rawbuf + swptr);
1681 // copy left/right sample at one time
1682 for (i = 0; i <= cnt / 4; i++) {
1683 if ((err = __get_user(*dst0++, src++)))
1685 if ((err = __get_user(*dst1++, src++)))
1688 swptr = (swptr + cnt) % s->dma_dac.dmasize;
1690 if (copy_from_user(s->dma_dac.rawbuf + swptr, buffer, cnt))
1691 return ret ? ret : -EFAULT;
1692 swptr = (swptr + cnt) % s->dma_dac.dmasize;
1694 spin_lock_irqsave(&s->lock, flags);
1695 s->dma_dac.swptr = swptr;
1696 s->dma_dac.count += cnt;
1697 if (s->status & DO_AC3_SW)
1698 s->dma_dac.count += cnt;
1699 s->dma_dac.endcleared = 0;
1700 spin_unlock_irqrestore(&s->lock, flags);
1704 if (s->status & DO_DUAL_DAC) {
1714 static unsigned int cm_poll(struct file *file, struct poll_table_struct *wait)
1716 struct cm_state *s = (struct cm_state *)file->private_data;
1717 unsigned long flags;
1718 unsigned int mask = 0;
1721 if (file->f_mode & FMODE_WRITE)
1722 poll_wait(file, &s->dma_dac.wait, wait);
1723 if (file->f_mode & FMODE_READ)
1724 poll_wait(file, &s->dma_adc.wait, wait);
1725 spin_lock_irqsave(&s->lock, flags);
1727 if (file->f_mode & FMODE_READ) {
1728 if (s->dma_adc.count >= (signed)s->dma_adc.fragsize)
1729 mask |= POLLIN | POLLRDNORM;
1731 if (file->f_mode & FMODE_WRITE) {
1732 if (s->dma_dac.mapped) {
1733 if (s->dma_dac.count >= (signed)s->dma_dac.fragsize)
1734 mask |= POLLOUT | POLLWRNORM;
1736 if ((signed)s->dma_dac.dmasize >= s->dma_dac.count + (signed)s->dma_dac.fragsize)
1737 mask |= POLLOUT | POLLWRNORM;
1740 spin_unlock_irqrestore(&s->lock, flags);
1744 static int cm_mmap(struct file *file, struct vm_area_struct *vma)
1746 struct cm_state *s = (struct cm_state *)file->private_data;
1753 if (vma->vm_flags & VM_WRITE) {
1754 if ((ret = prog_dmabuf(s, 0)) != 0)
1757 } else if (vma->vm_flags & VM_READ) {
1758 if ((ret = prog_dmabuf(s, 1)) != 0)
1764 if (vma->vm_pgoff != 0)
1766 size = vma->vm_end - vma->vm_start;
1767 if (size > (PAGE_SIZE << db->buforder))
1770 if (remap_page_range(vma, vma->vm_start, virt_to_phys(db->rawbuf), size, vma->vm_page_prot))
1779 static int cm_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
1781 struct cm_state *s = (struct cm_state *)file->private_data;
1782 unsigned long flags;
1783 audio_buf_info abinfo;
1785 int val, mapped, ret;
1786 unsigned char fmtm, fmtd;
1789 mapped = ((file->f_mode & FMODE_WRITE) && s->dma_dac.mapped) ||
1790 ((file->f_mode & FMODE_READ) && s->dma_adc.mapped);
1792 case OSS_GETVERSION:
1793 return put_user(SOUND_VERSION, (int *)arg);
1795 case SNDCTL_DSP_SYNC:
1796 if (file->f_mode & FMODE_WRITE)
1797 return drain_dac(s, 0/*file->f_flags & O_NONBLOCK*/);
1800 case SNDCTL_DSP_SETDUPLEX:
1803 case SNDCTL_DSP_GETCAPS:
1804 return put_user(DSP_CAP_DUPLEX | DSP_CAP_REALTIME | DSP_CAP_TRIGGER | DSP_CAP_MMAP | DSP_CAP_BIND, (int *)arg);
1806 case SNDCTL_DSP_RESET:
1807 if (file->f_mode & FMODE_WRITE) {
1809 synchronize_irq(s->irq);
1810 s->dma_dac.swptr = s->dma_dac.hwptr = s->dma_dac.count = s->dma_dac.total_bytes = 0;
1811 if (s->status & DO_DUAL_DAC)
1812 s->dma_adc.swptr = s->dma_adc.hwptr = s->dma_adc.count = s->dma_adc.total_bytes = 0;
1814 if (file->f_mode & FMODE_READ) {
1816 synchronize_irq(s->irq);
1817 s->dma_adc.swptr = s->dma_adc.hwptr = s->dma_adc.count = s->dma_adc.total_bytes = 0;
1821 case SNDCTL_DSP_SPEED:
1822 if (get_user(val, (int *)arg))
1825 if (file->f_mode & FMODE_READ) {
1826 spin_lock_irqsave(&s->lock, flags);
1827 stop_adc_unlocked(s);
1828 s->dma_adc.ready = 0;
1829 set_adc_rate_unlocked(s, val);
1830 spin_unlock_irqrestore(&s->lock, flags);
1832 if (file->f_mode & FMODE_WRITE) {
1834 s->dma_dac.ready = 0;
1835 if (s->status & DO_DUAL_DAC)
1836 s->dma_adc.ready = 0;
1837 set_dac_rate(s, val);
1840 return put_user((file->f_mode & FMODE_READ) ? s->rateadc : s->ratedac, (int *)arg);
1842 case SNDCTL_DSP_STEREO:
1843 if (get_user(val, (int *)arg))
1847 if (file->f_mode & FMODE_READ) {
1849 s->dma_adc.ready = 0;
1851 fmtd |= CM_CFMT_STEREO << CM_CFMT_ADCSHIFT;
1853 fmtm &= ~(CM_CFMT_STEREO << CM_CFMT_ADCSHIFT);
1855 if (file->f_mode & FMODE_WRITE) {
1857 s->dma_dac.ready = 0;
1859 fmtd |= CM_CFMT_STEREO << CM_CFMT_DACSHIFT;
1861 fmtm &= ~(CM_CFMT_STEREO << CM_CFMT_DACSHIFT);
1862 if (s->status & DO_DUAL_DAC) {
1863 s->dma_adc.ready = 0;
1865 fmtd |= CM_CFMT_STEREO << CM_CFMT_ADCSHIFT;
1867 fmtm &= ~(CM_CFMT_STEREO << CM_CFMT_ADCSHIFT);
1870 set_fmt(s, fmtm, fmtd);
1873 case SNDCTL_DSP_CHANNELS:
1874 if (get_user(val, (int *)arg))
1879 if (file->f_mode & FMODE_READ) {
1881 s->dma_adc.ready = 0;
1883 fmtd |= CM_CFMT_STEREO << CM_CFMT_ADCSHIFT;
1885 fmtm &= ~(CM_CFMT_STEREO << CM_CFMT_ADCSHIFT);
1887 if (file->f_mode & FMODE_WRITE) {
1889 s->dma_dac.ready = 0;
1891 fmtd |= CM_CFMT_STEREO << CM_CFMT_DACSHIFT;
1893 fmtm &= ~(CM_CFMT_STEREO << CM_CFMT_DACSHIFT);
1894 if (s->status & DO_DUAL_DAC) {
1895 s->dma_adc.ready = 0;
1897 fmtd |= CM_CFMT_STEREO << CM_CFMT_ADCSHIFT;
1899 fmtm &= ~(CM_CFMT_STEREO << CM_CFMT_ADCSHIFT);
1902 set_fmt(s, fmtm, fmtd);
1903 if ((s->capability & CAN_MULTI_CH)
1904 && (file->f_mode & FMODE_WRITE)) {
1905 val = set_dac_channels(s, val);
1906 return put_user(val, (int *)arg);
1909 return put_user((s->fmt & ((file->f_mode & FMODE_READ) ? (CM_CFMT_STEREO << CM_CFMT_ADCSHIFT)
1910 : (CM_CFMT_STEREO << CM_CFMT_DACSHIFT))) ? 2 : 1, (int *)arg);
1912 case SNDCTL_DSP_GETFMTS: /* Returns a mask */
1913 return put_user(AFMT_S16_LE|AFMT_U8|AFMT_AC3, (int *)arg);
1915 case SNDCTL_DSP_SETFMT: /* Selects ONE fmt*/
1916 if (get_user(val, (int *)arg))
1918 if (val != AFMT_QUERY) {
1921 if (file->f_mode & FMODE_READ) {
1923 s->dma_adc.ready = 0;
1924 if (val == AFMT_S16_LE)
1925 fmtd |= CM_CFMT_16BIT << CM_CFMT_ADCSHIFT;
1927 fmtm &= ~(CM_CFMT_16BIT << CM_CFMT_ADCSHIFT);
1929 if (file->f_mode & FMODE_WRITE) {
1931 s->dma_dac.ready = 0;
1932 if (val == AFMT_S16_LE || val == AFMT_AC3)
1933 fmtd |= CM_CFMT_16BIT << CM_CFMT_DACSHIFT;
1935 fmtm &= ~(CM_CFMT_16BIT << CM_CFMT_DACSHIFT);
1936 if (val == AFMT_AC3) {
1937 fmtd |= CM_CFMT_STEREO << CM_CFMT_DACSHIFT;
1938 set_ac3(s, s->ratedac);
1941 if (s->status & DO_DUAL_DAC) {
1942 s->dma_adc.ready = 0;
1943 if (val == AFMT_S16_LE)
1944 fmtd |= CM_CFMT_STEREO << CM_CFMT_ADCSHIFT;
1946 fmtm &= ~(CM_CFMT_STEREO << CM_CFMT_ADCSHIFT);
1949 set_fmt(s, fmtm, fmtd);
1951 if (s->status & DO_AC3) return put_user(AFMT_AC3, (int *)arg);
1952 return put_user((s->fmt & ((file->f_mode & FMODE_READ) ? (CM_CFMT_16BIT << CM_CFMT_ADCSHIFT)
1953 : (CM_CFMT_16BIT << CM_CFMT_DACSHIFT))) ? AFMT_S16_LE : AFMT_U8, (int *)arg);
1955 case SNDCTL_DSP_POST:
1958 case SNDCTL_DSP_GETTRIGGER:
1960 if (s->status & DO_DUAL_DAC) {
1961 if (file->f_mode & FMODE_WRITE &&
1962 (s->enable & CM_ENABLE_CH1) &&
1963 (s->enable & CM_ENABLE_CH0))
1964 val |= PCM_ENABLE_OUTPUT;
1965 return put_user(val, (int *)arg);
1967 if (file->f_mode & FMODE_READ && s->enable & CM_ENABLE_CH0)
1968 val |= PCM_ENABLE_INPUT;
1969 if (file->f_mode & FMODE_WRITE && s->enable & CM_ENABLE_CH1)
1970 val |= PCM_ENABLE_OUTPUT;
1971 return put_user(val, (int *)arg);
1973 case SNDCTL_DSP_SETTRIGGER:
1974 if (get_user(val, (int *)arg))
1976 if (file->f_mode & FMODE_READ) {
1977 if (val & PCM_ENABLE_INPUT) {
1978 if (!s->dma_adc.ready && (ret = prog_dmabuf(s, 1)))
1984 if (file->f_mode & FMODE_WRITE) {
1985 if (val & PCM_ENABLE_OUTPUT) {
1986 if (!s->dma_dac.ready && (ret = prog_dmabuf(s, 0)))
1988 if (s->status & DO_DUAL_DAC) {
1989 if (!s->dma_adc.ready && (ret = prog_dmabuf(s, 1)))
1998 case SNDCTL_DSP_GETOSPACE:
1999 if (!(file->f_mode & FMODE_WRITE))
2001 if (!(s->enable & CM_ENABLE_CH1) && (val = prog_dmabuf(s, 0)) != 0)
2003 spin_lock_irqsave(&s->lock, flags);
2005 abinfo.fragsize = s->dma_dac.fragsize;
2006 abinfo.bytes = s->dma_dac.dmasize - s->dma_dac.count;
2007 abinfo.fragstotal = s->dma_dac.numfrag;
2008 abinfo.fragments = abinfo.bytes >> s->dma_dac.fragshift;
2009 spin_unlock_irqrestore(&s->lock, flags);
2010 return copy_to_user((void *)arg, &abinfo, sizeof(abinfo)) ? -EFAULT : 0;
2012 case SNDCTL_DSP_GETISPACE:
2013 if (!(file->f_mode & FMODE_READ))
2015 if (!(s->enable & CM_ENABLE_CH0) && (val = prog_dmabuf(s, 1)) != 0)
2017 spin_lock_irqsave(&s->lock, flags);
2019 abinfo.fragsize = s->dma_adc.fragsize;
2020 abinfo.bytes = s->dma_adc.count;
2021 abinfo.fragstotal = s->dma_adc.numfrag;
2022 abinfo.fragments = abinfo.bytes >> s->dma_adc.fragshift;
2023 spin_unlock_irqrestore(&s->lock, flags);
2024 return copy_to_user((void *)arg, &abinfo, sizeof(abinfo)) ? -EFAULT : 0;
2026 case SNDCTL_DSP_NONBLOCK:
2027 file->f_flags |= O_NONBLOCK;
2030 case SNDCTL_DSP_GETODELAY:
2031 if (!(file->f_mode & FMODE_WRITE))
2033 spin_lock_irqsave(&s->lock, flags);
2035 val = s->dma_dac.count;
2036 spin_unlock_irqrestore(&s->lock, flags);
2037 return put_user(val, (int *)arg);
2039 case SNDCTL_DSP_GETIPTR:
2040 if (!(file->f_mode & FMODE_READ))
2042 spin_lock_irqsave(&s->lock, flags);
2044 cinfo.bytes = s->dma_adc.total_bytes;
2045 cinfo.blocks = s->dma_adc.count >> s->dma_adc.fragshift;
2046 cinfo.ptr = s->dma_adc.hwptr;
2047 if (s->dma_adc.mapped)
2048 s->dma_adc.count &= s->dma_adc.fragsize-1;
2049 spin_unlock_irqrestore(&s->lock, flags);
2050 if (copy_to_user((void *)arg, &cinfo, sizeof(cinfo)))
2054 case SNDCTL_DSP_GETOPTR:
2055 if (!(file->f_mode & FMODE_WRITE))
2057 spin_lock_irqsave(&s->lock, flags);
2059 cinfo.bytes = s->dma_dac.total_bytes;
2060 cinfo.blocks = s->dma_dac.count >> s->dma_dac.fragshift;
2061 cinfo.ptr = s->dma_dac.hwptr;
2062 if (s->dma_dac.mapped)
2063 s->dma_dac.count &= s->dma_dac.fragsize-1;
2064 if (s->status & DO_DUAL_DAC) {
2065 if (s->dma_adc.mapped)
2066 s->dma_adc.count &= s->dma_adc.fragsize-1;
2068 spin_unlock_irqrestore(&s->lock, flags);
2069 if (copy_to_user((void *)arg, &cinfo, sizeof(cinfo)))
2073 case SNDCTL_DSP_GETBLKSIZE:
2074 if (file->f_mode & FMODE_WRITE) {
2075 if ((val = prog_dmabuf(s, 0)))
2077 if (s->status & DO_DUAL_DAC) {
2078 if ((val = prog_dmabuf(s, 1)))
2080 return put_user(2 * s->dma_dac.fragsize, (int *)arg);
2082 return put_user(s->dma_dac.fragsize, (int *)arg);
2084 if ((val = prog_dmabuf(s, 1)))
2086 return put_user(s->dma_adc.fragsize, (int *)arg);
2088 case SNDCTL_DSP_SETFRAGMENT:
2089 if (get_user(val, (int *)arg))
2091 if (file->f_mode & FMODE_READ) {
2092 s->dma_adc.ossfragshift = val & 0xffff;
2093 s->dma_adc.ossmaxfrags = (val >> 16) & 0xffff;
2094 if (s->dma_adc.ossfragshift < 4)
2095 s->dma_adc.ossfragshift = 4;
2096 if (s->dma_adc.ossfragshift > 15)
2097 s->dma_adc.ossfragshift = 15;
2098 if (s->dma_adc.ossmaxfrags < 4)
2099 s->dma_adc.ossmaxfrags = 4;
2101 if (file->f_mode & FMODE_WRITE) {
2102 s->dma_dac.ossfragshift = val & 0xffff;
2103 s->dma_dac.ossmaxfrags = (val >> 16) & 0xffff;
2104 if (s->dma_dac.ossfragshift < 4)
2105 s->dma_dac.ossfragshift = 4;
2106 if (s->dma_dac.ossfragshift > 15)
2107 s->dma_dac.ossfragshift = 15;
2108 if (s->dma_dac.ossmaxfrags < 4)
2109 s->dma_dac.ossmaxfrags = 4;
2110 if (s->status & DO_DUAL_DAC) {
2111 s->dma_adc.ossfragshift = s->dma_dac.ossfragshift;
2112 s->dma_adc.ossmaxfrags = s->dma_dac.ossmaxfrags;
2117 case SNDCTL_DSP_SUBDIVIDE:
2118 if ((file->f_mode & FMODE_READ && s->dma_adc.subdivision) ||
2119 (file->f_mode & FMODE_WRITE && s->dma_dac.subdivision))
2121 if (get_user(val, (int *)arg))
2123 if (val != 1 && val != 2 && val != 4)
2125 if (file->f_mode & FMODE_READ)
2126 s->dma_adc.subdivision = val;
2127 if (file->f_mode & FMODE_WRITE) {
2128 s->dma_dac.subdivision = val;
2129 if (s->status & DO_DUAL_DAC)
2130 s->dma_adc.subdivision = val;
2134 case SOUND_PCM_READ_RATE:
2135 return put_user((file->f_mode & FMODE_READ) ? s->rateadc : s->ratedac, (int *)arg);
2137 case SOUND_PCM_READ_CHANNELS:
2138 return put_user((s->fmt & ((file->f_mode & FMODE_READ) ? (CM_CFMT_STEREO << CM_CFMT_ADCSHIFT) : (CM_CFMT_STEREO << CM_CFMT_DACSHIFT))) ? 2 : 1, (int *)arg);
2140 case SOUND_PCM_READ_BITS:
2141 return put_user((s->fmt & ((file->f_mode & FMODE_READ) ? (CM_CFMT_16BIT << CM_CFMT_ADCSHIFT) : (CM_CFMT_16BIT << CM_CFMT_DACSHIFT))) ? 16 : 8, (int *)arg);
2143 case SOUND_PCM_READ_FILTER:
2144 return put_user((file->f_mode & FMODE_READ) ? s->rateadc : s->ratedac, (int *)arg);
2146 case SNDCTL_DSP_GETCHANNELMASK:
2147 return put_user(DSP_BIND_FRONT|DSP_BIND_SURR|DSP_BIND_CENTER_LFE|DSP_BIND_SPDIF, (int *)arg);
2149 case SNDCTL_DSP_BIND_CHANNEL:
2150 if (get_user(val, (int *)arg))
2152 if (val == DSP_BIND_QUERY) {
2153 val = DSP_BIND_FRONT;
2154 if (s->status & DO_SPDIF_OUT)
2155 val |= DSP_BIND_SPDIF;
2157 if (s->curr_channels == 4)
2158 val |= DSP_BIND_SURR;
2159 if (s->curr_channels > 4)
2160 val |= DSP_BIND_CENTER_LFE;
2163 if (file->f_mode & FMODE_READ) {
2165 s->dma_adc.ready = 0;
2167 if (file->f_mode & FMODE_WRITE) {
2169 s->dma_dac.ready = 0;
2170 if (val & DSP_BIND_SPDIF) {
2171 set_spdifout(s, s->ratedac);
2172 set_dac_channels(s, s->fmt & (CM_CFMT_STEREO << CM_CFMT_DACSHIFT) ? 2 : 1);
2173 if (!(s->status & DO_SPDIF_OUT))
2174 val &= ~DSP_BIND_SPDIF;
2179 mask = val & (DSP_BIND_FRONT|DSP_BIND_SURR|DSP_BIND_CENTER_LFE);
2181 case DSP_BIND_FRONT:
2184 case DSP_BIND_FRONT|DSP_BIND_SURR:
2187 case DSP_BIND_FRONT|DSP_BIND_SURR|DSP_BIND_CENTER_LFE:
2191 channels = s->fmt & (CM_CFMT_STEREO << CM_CFMT_DACSHIFT) ? 2 : 1;
2194 set_dac_channels(s, channels);
2198 return put_user(val, (int *)arg);
2200 case SOUND_PCM_WRITE_FILTER:
2201 case SNDCTL_DSP_MAPINBUF:
2202 case SNDCTL_DSP_MAPOUTBUF:
2203 case SNDCTL_DSP_SETSYNCRO:
2207 return mixer_ioctl(s, cmd, arg);
2210 static int cm_open(struct inode *inode, struct file *file)
2212 int minor = iminor(inode);
2213 struct cm_state *s = devs;
2214 unsigned char fmtm = ~0, fmts = 0;
2216 while (s && ((s->dev_audio ^ minor) & ~0xf))
2221 file->private_data = s;
2222 /* wait for device to become free */
2224 while (s->open_mode & file->f_mode) {
2225 if (file->f_flags & O_NONBLOCK) {
2230 interruptible_sleep_on(&s->open_wait);
2231 if (signal_pending(current))
2232 return -ERESTARTSYS;
2235 if (file->f_mode & FMODE_READ) {
2236 fmtm &= ~((CM_CFMT_STEREO | CM_CFMT_16BIT) << CM_CFMT_ADCSHIFT);
2237 if ((minor & 0xf) == SND_DEV_DSP16)
2238 fmts |= CM_CFMT_16BIT << CM_CFMT_ADCSHIFT;
2239 s->dma_adc.ossfragshift = s->dma_adc.ossmaxfrags = s->dma_adc.subdivision = 0;
2240 set_adc_rate(s, 8000);
2242 if (file->f_mode & FMODE_WRITE) {
2243 fmtm &= ~((CM_CFMT_STEREO | CM_CFMT_16BIT) << CM_CFMT_DACSHIFT);
2244 if ((minor & 0xf) == SND_DEV_DSP16)
2245 fmts |= CM_CFMT_16BIT << CM_CFMT_DACSHIFT;
2246 s->dma_dac.ossfragshift = s->dma_dac.ossmaxfrags = s->dma_dac.subdivision = 0;
2247 set_dac_rate(s, 8000);
2248 // clear previous multichannel, spdif, ac3 state
2250 if (s->deviceid == PCI_DEVICE_ID_CMEDIA_CM8738) {
2252 set_dac_channels(s, 1);
2255 set_fmt(s, fmtm, fmts);
2256 s->open_mode |= file->f_mode & (FMODE_READ | FMODE_WRITE);
2261 static int cm_release(struct inode *inode, struct file *file)
2263 struct cm_state *s = (struct cm_state *)file->private_data;
2267 if (file->f_mode & FMODE_WRITE)
2268 drain_dac(s, file->f_flags & O_NONBLOCK);
2270 if (file->f_mode & FMODE_WRITE) {
2273 dealloc_dmabuf(&s->dma_dac);
2274 if (s->status & DO_DUAL_DAC)
2275 dealloc_dmabuf(&s->dma_adc);
2277 if (s->status & DO_MULTI_CH)
2278 set_dac_channels(s, 0);
2279 if (s->status & DO_AC3)
2281 if (s->status & DO_SPDIF_OUT)
2284 if (file->f_mode & FMODE_READ) {
2286 dealloc_dmabuf(&s->dma_adc);
2288 s->open_mode &= ~(file->f_mode & (FMODE_READ|FMODE_WRITE));
2290 wake_up(&s->open_wait);
2295 static /*const*/ struct file_operations cm_audio_fops = {
2296 .owner = THIS_MODULE,
2297 .llseek = no_llseek,
2304 .release = cm_release,
2307 #ifdef CONFIG_SOUND_CMPCI_MIDI
2308 /* --------------------------------------------------------------------- */
2310 static ssize_t cm_midi_read(struct file *file, char *buffer, size_t count, loff_t *ppos)
2312 struct cm_state *s = (struct cm_state *)file->private_data;
2313 DECLARE_WAITQUEUE(wait, current);
2315 unsigned long flags;
2320 if (ppos != &file->f_pos)
2322 if (!access_ok(VERIFY_WRITE, buffer, count))
2325 add_wait_queue(&s->midi.iwait, &wait);
2327 spin_lock_irqsave(&s->lock, flags);
2329 cnt = MIDIINBUF - ptr;
2330 if (s->midi.icnt < cnt)
2332 spin_unlock_irqrestore(&s->lock, flags);
2336 if (file->f_flags & O_NONBLOCK)
2342 __set_current_state(TASK_INTERRUPTIBLE);
2344 if (signal_pending(current))
2352 if (copy_to_user(buffer, s->midi.ibuf + ptr, cnt))
2358 ptr = (ptr + cnt) % MIDIINBUF;
2359 spin_lock_irqsave(&s->lock, flags);
2361 s->midi.icnt -= cnt;
2362 spin_unlock_irqrestore(&s->lock, flags);
2368 __set_current_state(TASK_RUNNING);
2369 remove_wait_queue(&s->midi.iwait, &wait);
2373 static ssize_t cm_midi_write(struct file *file, const char *buffer, size_t count, loff_t *ppos)
2375 struct cm_state *s = (struct cm_state *)file->private_data;
2376 DECLARE_WAITQUEUE(wait, current);
2378 unsigned long flags;
2383 if (ppos != &file->f_pos)
2385 if (!access_ok(VERIFY_READ, buffer, count))
2390 add_wait_queue(&s->midi.owait, &wait);
2392 spin_lock_irqsave(&s->lock, flags);
2394 cnt = MIDIOUTBUF - ptr;
2395 if (s->midi.ocnt + cnt > MIDIOUTBUF)
2396 cnt = MIDIOUTBUF - s->midi.ocnt;
2399 spin_unlock_irqrestore(&s->lock, flags);
2403 if (file->f_flags & O_NONBLOCK)
2409 __set_current_state(TASK_INTERRUPTIBLE);
2411 if (signal_pending(current)) {
2418 if (copy_from_user(s->midi.obuf + ptr, buffer, cnt))
2424 ptr = (ptr + cnt) % MIDIOUTBUF;
2425 spin_lock_irqsave(&s->lock, flags);
2427 s->midi.ocnt += cnt;
2428 spin_unlock_irqrestore(&s->lock, flags);
2432 spin_lock_irqsave(&s->lock, flags);
2434 spin_unlock_irqrestore(&s->lock, flags);
2436 __set_current_state(TASK_RUNNING);
2437 remove_wait_queue(&s->midi.owait, &wait);
2441 static unsigned int cm_midi_poll(struct file *file, struct poll_table_struct *wait)
2443 struct cm_state *s = (struct cm_state *)file->private_data;
2444 unsigned long flags;
2445 unsigned int mask = 0;
2448 if (file->f_mode & FMODE_WRITE)
2449 poll_wait(file, &s->midi.owait, wait);
2450 if (file->f_mode & FMODE_READ)
2451 poll_wait(file, &s->midi.iwait, wait);
2452 spin_lock_irqsave(&s->lock, flags);
2453 if (file->f_mode & FMODE_READ) {
2454 if (s->midi.icnt > 0)
2455 mask |= POLLIN | POLLRDNORM;
2457 if (file->f_mode & FMODE_WRITE) {
2458 if (s->midi.ocnt < MIDIOUTBUF)
2459 mask |= POLLOUT | POLLWRNORM;
2461 spin_unlock_irqrestore(&s->lock, flags);
2465 static int cm_midi_open(struct inode *inode, struct file *file)
2467 int minor = iminor(inode);
2468 struct cm_state *s = devs;
2469 unsigned long flags;
2471 while (s && s->dev_midi != minor)
2476 file->private_data = s;
2477 /* wait for device to become free */
2479 while (s->open_mode & (file->f_mode << FMODE_MIDI_SHIFT)) {
2480 if (file->f_flags & O_NONBLOCK) {
2485 interruptible_sleep_on(&s->open_wait);
2486 if (signal_pending(current))
2487 return -ERESTARTSYS;
2490 spin_lock_irqsave(&s->lock, flags);
2491 if (!(s->open_mode & (FMODE_MIDI_READ | FMODE_MIDI_WRITE))) {
2492 s->midi.ird = s->midi.iwr = s->midi.icnt = 0;
2493 s->midi.ord = s->midi.owr = s->midi.ocnt = 0;
2494 /* enable MPU-401 */
2495 maskb(s->iobase + CODEC_CMI_FUNCTRL1, ~0, 4);
2496 outb(0xff, s->iomidi+1); /* reset command */
2497 if (!(inb(s->iomidi+1) & 0x80))
2499 outb(0x3f, s->iomidi+1); /* uart command */
2500 if (!(inb(s->iomidi+1) & 0x80))
2502 s->midi.ird = s->midi.iwr = s->midi.icnt = 0;
2503 init_timer(&s->midi.timer);
2504 s->midi.timer.expires = jiffies+1;
2505 s->midi.timer.data = (unsigned long)s;
2506 s->midi.timer.function = cm_midi_timer;
2507 add_timer(&s->midi.timer);
2509 if (file->f_mode & FMODE_READ) {
2510 s->midi.ird = s->midi.iwr = s->midi.icnt = 0;
2512 if (file->f_mode & FMODE_WRITE) {
2513 s->midi.ord = s->midi.owr = s->midi.ocnt = 0;
2515 spin_unlock_irqrestore(&s->lock, flags);
2516 s->open_mode |= (file->f_mode << FMODE_MIDI_SHIFT) & (FMODE_MIDI_READ | FMODE_MIDI_WRITE);
2521 static int cm_midi_release(struct inode *inode, struct file *file)
2523 struct cm_state *s = (struct cm_state *)file->private_data;
2524 DECLARE_WAITQUEUE(wait, current);
2525 unsigned long flags;
2526 unsigned count, tmo;
2531 if (file->f_mode & FMODE_WRITE) {
2532 __set_current_state(TASK_INTERRUPTIBLE);
2533 add_wait_queue(&s->midi.owait, &wait);
2535 spin_lock_irqsave(&s->lock, flags);
2536 count = s->midi.ocnt;
2537 spin_unlock_irqrestore(&s->lock, flags);
2540 if (signal_pending(current))
2542 if (file->f_flags & O_NONBLOCK) {
2543 remove_wait_queue(&s->midi.owait, &wait);
2544 set_current_state(TASK_RUNNING);
2548 tmo = (count * HZ) / 3100;
2549 if (!schedule_timeout(tmo ? : 1) && tmo)
2550 printk(KERN_DEBUG "cmpci: midi timed out??\n");
2552 remove_wait_queue(&s->midi.owait, &wait);
2553 set_current_state(TASK_RUNNING);
2556 s->open_mode &= ~((file->f_mode << FMODE_MIDI_SHIFT) & (FMODE_MIDI_READ|FMODE_MIDI_WRITE));
2557 spin_lock_irqsave(&s->lock, flags);
2558 if (!(s->open_mode & (FMODE_MIDI_READ | FMODE_MIDI_WRITE))) {
2559 del_timer(&s->midi.timer);
2560 outb(0xff, s->iomidi+1); /* reset command */
2561 if (!(inb(s->iomidi+1) & 0x80))
2563 /* disable MPU-401 */
2564 maskb(s->iobase + CODEC_CMI_FUNCTRL1, ~4, 0);
2566 spin_unlock_irqrestore(&s->lock, flags);
2568 wake_up(&s->open_wait);
2573 static /*const*/ struct file_operations cm_midi_fops = {
2574 .owner = THIS_MODULE,
2575 .llseek = no_llseek,
2576 .read = cm_midi_read,
2577 .write = cm_midi_write,
2578 .poll = cm_midi_poll,
2579 .open = cm_midi_open,
2580 .release = cm_midi_release,
2584 /* --------------------------------------------------------------------- */
2586 #ifdef CONFIG_SOUND_CMPCI_FM
2587 static int cm_dmfm_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
2589 static const unsigned char op_offset[18] = {
2590 0x00, 0x01, 0x02, 0x03, 0x04, 0x05,
2591 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D,
2592 0x10, 0x11, 0x12, 0x13, 0x14, 0x15
2594 struct cm_state *s = (struct cm_state *)file->private_data;
2595 struct dm_fm_voice v;
2596 struct dm_fm_note n;
2597 struct dm_fm_params p;
2602 case FM_IOCTL_RESET:
2603 for (regb = 0xb0; regb < 0xb9; regb++) {
2604 outb(regb, s->iosynth);
2605 outb(0, s->iosynth+1);
2606 outb(regb, s->iosynth+2);
2607 outb(0, s->iosynth+3);
2611 case FM_IOCTL_PLAY_NOTE:
2612 if (copy_from_user(&n, (void *)arg, sizeof(n)))
2623 outb(0xa0 + regb, io);
2624 outb(n.fnum & 0xff, io+1);
2625 outb(0xb0 + regb, io);
2626 outb(((n.fnum >> 8) & 3) | ((n.octave & 7) << 2) | ((n.key_on & 1) << 5), io+1);
2629 case FM_IOCTL_SET_VOICE:
2630 if (copy_from_user(&v, (void *)arg, sizeof(v)))
2634 regb = op_offset[v.voice];
2635 io = s->iosynth + ((v.op & 1) << 1);
2636 outb(0x20 + regb, io);
2637 outb(((v.am & 1) << 7) | ((v.vibrato & 1) << 6) | ((v.do_sustain & 1) << 5) |
2638 ((v.kbd_scale & 1) << 4) | (v.harmonic & 0xf), io+1);
2639 outb(0x40 + regb, io);
2640 outb(((v.scale_level & 0x3) << 6) | (v.volume & 0x3f), io+1);
2641 outb(0x60 + regb, io);
2642 outb(((v.attack & 0xf) << 4) | (v.decay & 0xf), io+1);
2643 outb(0x80 + regb, io);
2644 outb(((v.sustain & 0xf) << 4) | (v.release & 0xf), io+1);
2645 outb(0xe0 + regb, io);
2646 outb(v.waveform & 0x7, io+1);
2654 outb(0xc0 + regb, io);
2655 outb(((v.right & 1) << 5) | ((v.left & 1) << 4) | ((v.feedback & 7) << 1) |
2656 (v.connection & 1), io+1);
2659 case FM_IOCTL_SET_PARAMS:
2660 if (copy_from_user(&p, (void *)arg, sizeof(p)))
2662 outb(0x08, s->iosynth);
2663 outb((p.kbd_split & 1) << 6, s->iosynth+1);
2664 outb(0xbd, s->iosynth);
2665 outb(((p.am_depth & 1) << 7) | ((p.vib_depth & 1) << 6) | ((p.rhythm & 1) << 5) | ((p.bass & 1) << 4) |
2666 ((p.snare & 1) << 3) | ((p.tomtom & 1) << 2) | ((p.cymbal & 1) << 1) | (p.hihat & 1), s->iosynth+1);
2669 case FM_IOCTL_SET_OPL:
2670 outb(4, s->iosynth+2);
2671 outb(arg, s->iosynth+3);
2674 case FM_IOCTL_SET_MODE:
2675 outb(5, s->iosynth+2);
2676 outb(arg & 1, s->iosynth+3);
2682 static int cm_dmfm_open(struct inode *inode, struct file *file)
2684 int minor = iminor(inode);
2685 struct cm_state *s = devs;
2687 while (s && s->dev_dmfm != minor)
2692 file->private_data = s;
2693 /* wait for device to become free */
2695 while (s->open_mode & FMODE_DMFM) {
2696 if (file->f_flags & O_NONBLOCK) {
2701 interruptible_sleep_on(&s->open_wait);
2702 if (signal_pending(current))
2703 return -ERESTARTSYS;
2706 /* init the stuff */
2707 outb(1, s->iosynth);
2708 outb(0x20, s->iosynth+1); /* enable waveforms */
2709 outb(4, s->iosynth+2);
2710 outb(0, s->iosynth+3); /* no 4op enabled */
2711 outb(5, s->iosynth+2);
2712 outb(1, s->iosynth+3); /* enable OPL3 */
2713 s->open_mode |= FMODE_DMFM;
2718 static int cm_dmfm_release(struct inode *inode, struct file *file)
2720 struct cm_state *s = (struct cm_state *)file->private_data;
2726 s->open_mode &= ~FMODE_DMFM;
2727 for (regb = 0xb0; regb < 0xb9; regb++) {
2728 outb(regb, s->iosynth);
2729 outb(0, s->iosynth+1);
2730 outb(regb, s->iosynth+2);
2731 outb(0, s->iosynth+3);
2734 wake_up(&s->open_wait);
2739 static /*const*/ struct file_operations cm_dmfm_fops = {
2740 .owner = THIS_MODULE,
2741 .llseek = no_llseek,
2742 .ioctl = cm_dmfm_ioctl,
2743 .open = cm_dmfm_open,
2744 .release = cm_dmfm_release,
2746 #endif /* CONFIG_SOUND_CMPCI_FM */
2750 static struct initvol {
2753 } initvol[] __initdata = {
2754 { SOUND_MIXER_WRITE_CD, 0x4f4f },
2755 { SOUND_MIXER_WRITE_LINE, 0x4f4f },
2756 { SOUND_MIXER_WRITE_MIC, 0x4f4f },
2757 { SOUND_MIXER_WRITE_SYNTH, 0x4f4f },
2758 { SOUND_MIXER_WRITE_VOLUME, 0x4f4f },
2759 { SOUND_MIXER_WRITE_PCM, 0x4f4f }
2762 /* check chip version and capability */
2763 static int query_chip(struct cm_state *s)
2765 int ChipVersion = -1;
2766 unsigned char RegValue;
2768 // check reg 0Ch, bit 24-31
2769 RegValue = inb(s->iobase + CODEC_CMI_INT_HLDCLR + 3);
2770 if (RegValue == 0) {
2771 // check reg 08h, bit 24-28
2772 RegValue = inb(s->iobase + CODEC_CMI_CHFORMAT + 3);
2774 if (RegValue == 0) {
2776 s->max_channels = 4;
2777 s->capability |= CAN_AC3_SW;
2778 s->capability |= CAN_DUAL_DAC;
2781 s->max_channels = 4;
2782 s->capability |= CAN_AC3_HW;
2783 s->capability |= CAN_DUAL_DAC;
2786 // check reg 0Ch, bit 26
2787 if (RegValue & (1 << (26-24))) {
2789 if (RegValue & (1 << (24-24)))
2790 s->max_channels = 6;
2792 s->max_channels = 4;
2793 s->capability |= CAN_AC3_HW;
2794 s->capability |= CAN_DUAL_DAC;
2795 s->capability |= CAN_MULTI_CH_HW;
2797 ChipVersion = 55; // 4 or 6 channels
2798 s->max_channels = 6;
2799 s->capability |= CAN_AC3_HW;
2800 s->capability |= CAN_DUAL_DAC;
2801 s->capability |= CAN_MULTI_CH_HW;
2804 // still limited to number of speakers
2805 if (s->max_channels > s->speakers)
2806 s->max_channels = s->speakers;
2810 #ifdef CONFIG_SOUND_CMPCI_MIDI
2811 static int mpuio = CONFIG_SOUND_CMPCI_MPUIO;
2815 #ifdef CONFIG_SOUND_CMPCI_FM
2816 static int fmio = CONFIG_SOUND_CMPCI_FMIO;
2820 #ifdef CONFIG_SOUND_CMPCI_SPDIFINVERSE
2821 static int spdif_inverse = 1;
2823 static int spdif_inverse;
2825 #ifdef CONFIG_SOUND_CMPCI_SPDIFLOOP
2826 static int spdif_loop = 1;
2828 static int spdif_loop;
2830 #ifdef CONFIG_SOUND_CMPCI_SPEAKERS
2831 static int speakers = CONFIG_SOUND_CMPCI_SPEAKERS;
2833 static int speakers = 2;
2835 #ifdef CONFIG_SOUND_CMPCI_LINE_REAR
2836 static int use_line_as_rear = 1;
2838 static int use_line_as_rear;
2840 #ifdef CONFIG_SOUND_CMPCI_LINE_BASS
2841 static int use_line_as_bass = 1;
2843 static int use_line_as_bass;
2845 #ifdef CONFIG_SOUND_CMPCI_JOYSTICK
2846 static int joystick = 1;
2848 static int joystick;
2850 MODULE_PARM(mpuio, "i");
2851 MODULE_PARM(fmio, "i");
2852 MODULE_PARM(spdif_inverse, "i");
2853 MODULE_PARM(spdif_loop, "i");
2854 MODULE_PARM(speakers, "i");
2855 MODULE_PARM(use_line_as_rear, "i");
2856 MODULE_PARM(use_line_as_bass, "i");
2857 MODULE_PARM(joystick, "i");
2858 MODULE_PARM_DESC(mpuio, "(0x330, 0x320, 0x310, 0x300) Base of MPU-401, 0 to disable");
2859 MODULE_PARM_DESC(fmio, "(0x388, 0x3C8, 0x3E0) Base of OPL3, 0 to disable");
2860 MODULE_PARM_DESC(spdif_inverse, "(1/0) Invert S/PDIF-in signal");
2861 MODULE_PARM_DESC(spdif_loop, "(1/0) Route S/PDIF-in to S/PDIF-out directly");
2862 MODULE_PARM_DESC(speakers, "(2-6) Number of speakers you connect");
2863 MODULE_PARM_DESC(use_line_as_rear, "(1/0) Use line-in jack as rear-out");
2864 MODULE_PARM_DESC(use_line_as_bass, "(1/0) Use line-in jack as bass/center");
2865 MODULE_PARM_DESC(joystick, "(1/0) Enable joystick interface, still need joystick driver");
2867 static struct pci_device_id cmpci_pci_tbl[] = {
2868 { PCI_VENDOR_ID_CMEDIA, PCI_DEVICE_ID_CMEDIA_CM8738,
2869 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
2870 { PCI_VENDOR_ID_CMEDIA, PCI_DEVICE_ID_CMEDIA_CM8338A,
2871 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
2872 { PCI_VENDOR_ID_CMEDIA, PCI_DEVICE_ID_CMEDIA_CM8338B,
2873 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
2876 MODULE_DEVICE_TABLE(pci, cmpci_pci_tbl);
2878 void initialize_chip(struct pci_dev *pcidev)
2882 #if defined(CONFIG_SOUND_CMPCI_MIDI) || defined(CONFIG_SOUND_CMPCI_FM)
2883 unsigned char reg_mask = 0;
2886 unsigned short deviceid;
2890 { PCI_DEVICE_ID_CMEDIA_CM8338A, "CM8338A" },
2891 { PCI_DEVICE_ID_CMEDIA_CM8338B, "CM8338B" },
2892 { PCI_DEVICE_ID_CMEDIA_CM8738, "CM8738" },
2893 { PCI_DEVICE_ID_CMEDIA_CM8738B, "CM8738B" },
2895 char *devicename = "unknown";
2897 if (pci_enable_device(pcidev))
2899 if (pcidev->irq == 0)
2901 s = kmalloc(sizeof(*s), GFP_KERNEL);
2903 printk(KERN_WARNING "cmpci: out of memory\n");
2906 /* search device name */
2907 for (i = 0; i < sizeof(devicetable) / sizeof(devicetable[0]); i++) {
2908 if (devicetable[i].deviceid == pcidev->device)
2910 devicename = devicetable[i].devicename;
2914 memset(s, 0, sizeof(struct cm_state));
2915 init_waitqueue_head(&s->dma_adc.wait);
2916 init_waitqueue_head(&s->dma_dac.wait);
2917 init_waitqueue_head(&s->open_wait);
2918 init_waitqueue_head(&s->midi.iwait);
2919 init_waitqueue_head(&s->midi.owait);
2920 init_MUTEX(&s->open_sem);
2921 spin_lock_init(&s->lock);
2922 s->magic = CM_MAGIC;
2923 s->iobase = pci_resource_start(pcidev, 0);
2930 else if (speakers > 6)
2932 s->speakers = speakers;
2935 s->irq = pcidev->irq;
2937 if (!request_region(s->iobase, CM_EXTENT_CODEC, "cmpci")) {
2938 printk(KERN_ERR "cmpci: io ports %#x-%#x in use\n", s->iobase, s->iobase+CM_EXTENT_CODEC-1);
2941 #ifdef CONFIG_SOUND_CMPCI_MIDI
2942 /* disable MPU-401 */
2943 maskb(s->iobase + CODEC_CMI_FUNCTRL1, ~0x04, 0);
2945 if (!request_region(s->iomidi, CM_EXTENT_MIDI, "cmpci Midi")) {
2946 printk(KERN_ERR "cmpci: io ports %#x-%#x in use\n", s->iomidi, s->iomidi+CM_EXTENT_MIDI-1);
2949 /* set IO based at 0x330 */
2950 switch (s->iomidi) {
2967 outb((inb(s->iobase + CODEC_CMI_LEGACY_CTRL + 3) & ~0x60) | reg_mask, s->iobase + CODEC_CMI_LEGACY_CTRL + 3);
2968 /* enable MPU-401 */
2970 maskb(s->iobase + CODEC_CMI_FUNCTRL1, ~0, 0x04);
2975 #ifdef CONFIG_SOUND_CMPCI_FM
2977 maskb(s->iobase + CODEC_CMI_MISC_CTRL + 2, ~8, 0);
2979 if (!request_region(s->iosynth, CM_EXTENT_SYNTH, "cmpci FM")) {
2980 printk(KERN_ERR "cmpci: io ports %#x-%#x in use\n", s->iosynth, s->iosynth+CM_EXTENT_SYNTH-1);
2983 /* set IO based at 0x388 */
2984 switch (s->iosynth) {
3001 maskb(s->iobase + CODEC_CMI_LEGACY_CTRL + 3, ~0x03, reg_mask);
3004 maskb(s->iobase + CODEC_CMI_MISC_CTRL + 2, ~0, 8);
3009 /* enable joystick */
3011 maskb(s->iobase + CODEC_CMI_FUNCTRL1, ~0, 0x02);
3013 maskb(s->iobase + CODEC_CMI_FUNCTRL1, ~0x02, 0);
3014 /* initialize codec registers */
3015 outb(0, s->iobase + CODEC_CMI_INT_HLDCLR + 2); /* disable ints */
3016 outb(0, s->iobase + CODEC_CMI_FUNCTRL0 + 2); /* disable channels */
3018 wrmixer(s, DSP_MIX_DATARESETIDX, 0);
3021 if (request_irq(s->irq, cm_interrupt, SA_SHIRQ, "cmpci", s)) {
3022 printk(KERN_ERR "cmpci: irq %u in use\n", s->irq);
3025 printk(KERN_INFO "cmpci: found %s adapter at io %#06x irq %u\n",
3026 devicename, s->iobase, s->irq);
3027 /* register devices */
3028 if ((s->dev_audio = register_sound_dsp(&cm_audio_fops, -1)) < 0)
3030 if ((s->dev_mixer = register_sound_mixer(&cm_mixer_fops, -1)) < 0)
3032 #ifdef CONFIG_SOUND_CMPCI_MIDI
3033 if ((s->dev_midi = register_sound_midi(&cm_midi_fops, -1)) < 0)
3036 #ifdef CONFIG_SOUND_CMPCI_FM
3037 if ((s->dev_dmfm = register_sound_special(&cm_dmfm_fops, 15 /* ?? */)) < 0)
3040 pci_set_master(pcidev); /* enable bus mastering */
3041 /* initialize the chips */
3042 /* set mixer output */
3043 frobindir(s, DSP_MIX_OUTMIXIDX, 0x1f, 0x1f);
3044 /* set mixer input */
3045 val = SOUND_MASK_LINE|SOUND_MASK_SYNTH|SOUND_MASK_CD|SOUND_MASK_MIC;
3046 mixer_ioctl(s, SOUND_MIXER_WRITE_RECSRC, (unsigned long)&val);
3047 for (i = 0; i < sizeof(initvol)/sizeof(initvol[0]); i++) {
3048 val = initvol[i].vol;
3049 mixer_ioctl(s, initvol[i].mixch, (unsigned long)&val);
3051 /* use channel 0 for record, channel 1 for play */
3052 maskb(s->iobase + CODEC_CMI_FUNCTRL0, ~2, 1);
3053 s->deviceid = pcidev->device;
3055 if (pcidev->device == PCI_DEVICE_ID_CMEDIA_CM8738) {
3057 /* chip version and hw capability check */
3058 s->chip_version = query_chip(s);
3059 printk(KERN_INFO "cmpci: chip version = 0%d\n", s->chip_version);
3061 /* seet SPDIF-in inverse before enable SPDIF loop */
3062 if (spdif_inverse) {
3063 /* turn on spdif-in inverse */
3064 maskb(s->iobase + CODEC_CMI_CHFORMAT + 2, ~0, 1);
3065 printk(KERN_INFO "cmpci: Inverse SPDIF-in\n");
3067 /* turn off spdif-ininverse */
3068 maskb(s->iobase + CODEC_CMI_CHFORMAT + 2, ~1, 0);
3071 /* enable SPDIF loop */
3073 s->status |= DO_SPDIF_LOOP;
3074 /* turn on spdif-in to spdif-out */
3075 maskb(s->iobase + CODEC_CMI_FUNCTRL1, ~0, 0x80);
3076 printk(KERN_INFO "cmpci: Enable SPDIF loop\n");
3078 s->status &= ~DO_SPDIF_LOOP;
3079 /* turn off spdif-in to spdif-out */
3080 maskb(s->iobase + CODEC_CMI_FUNCTRL1, ~0x80, 0);
3082 if (use_line_as_rear) {
3083 s->capability |= CAN_LINE_AS_REAR;
3084 s->status |= DO_LINE_AS_REAR;
3085 maskb(s->iobase + CODEC_CMI_MIXER1, ~0, 0x20);
3087 maskb(s->iobase + CODEC_CMI_MIXER1, ~0x20, 0);
3088 if (s->chip_version >= 39) {
3089 if (use_line_as_bass) {
3090 s->capability |= CAN_LINE_AS_BASS;
3091 s->status |= DO_LINE_AS_BASS;
3092 maskb(s->iobase + CODEC_CMI_LEGACY_CTRL + 1, ~0, 0x60);
3094 maskb(s->iobase + CODEC_CMI_LEGACY_CTRL + 1, ~0x60, 0);
3097 /* 8338 will fall here */
3098 s->max_channels = 2;
3100 /* queue it for later freeing */
3105 #ifdef CONFIG_SOUND_CMPCI_FM
3106 unregister_sound_special(s->dev_dmfm);
3109 #ifdef CONFIG_SOUND_CMPCI_MIDI
3110 unregister_sound_midi(s->dev_midi);
3113 unregister_sound_mixer(s->dev_mixer);
3115 unregister_sound_dsp(s->dev_audio);
3117 printk(KERN_ERR "cmpci: cannot register misc device\n");
3118 free_irq(s->irq, s);
3120 #ifdef CONFIG_SOUND_CMPCI_FM
3121 if (s->iosynth) release_region(s->iosynth, CM_EXTENT_SYNTH);
3123 #ifdef CONFIG_SOUND_CMPCI_MIDI
3124 if (s->iomidi) release_region(s->iomidi, CM_EXTENT_MIDI);
3126 release_region(s->iobase, CM_EXTENT_CODEC);
3132 free_pages(wavetable_mem, 20-PAGE_SHIFT);
3138 static int __init init_cmpci(void)
3140 struct pci_dev *pcidev = NULL;
3143 printk(KERN_INFO "cmpci: version $Revision: 5.64 $ time " __TIME__ " " __DATE__ "\n");
3145 while (index < NR_DEVICE && (
3146 (pcidev = pci_find_device(PCI_VENDOR_ID_CMEDIA, PCI_DEVICE_ID_CMEDIA_CM8738, pcidev)))) {
3147 initialize_chip(pcidev);
3150 while (index < NR_DEVICE && (
3151 (pcidev = pci_find_device(PCI_VENDOR_ID_CMEDIA, PCI_DEVICE_ID_CMEDIA_CM8338A, pcidev)))) {
3152 initialize_chip(pcidev);
3155 while (index < NR_DEVICE && (
3156 (pcidev = pci_find_device(PCI_VENDOR_ID_CMEDIA, PCI_DEVICE_ID_CMEDIA_CM8338B, pcidev)))) {
3157 initialize_chip(pcidev);
3163 /* --------------------------------------------------------------------- */
3165 MODULE_AUTHOR("ChenLi Tien, cltien@cmedia.com.tw");
3166 MODULE_DESCRIPTION("CM8x38 Audio Driver");
3167 MODULE_LICENSE("GPL");
3170 static void __exit cleanup_cmpci(void)
3174 while ((s = devs)) {
3176 outb(0, s->iobase + CODEC_CMI_INT_HLDCLR + 2); /* disable ints */
3177 synchronize_irq(s->irq);
3178 outb(0, s->iobase + CODEC_CMI_FUNCTRL0 + 2); /* disable channels */
3179 free_irq(s->irq, s);
3182 wrmixer(s, DSP_MIX_DATARESETIDX, 0);
3184 release_region(s->iobase, CM_EXTENT_CODEC);
3185 #ifdef CONFIG_SOUND_CMPCI_MIDI
3186 if (s->iomidi) release_region(s->iomidi, CM_EXTENT_MIDI);
3188 #ifdef CONFIG_SOUND_CMPCI_FM
3189 if (s->iosynth) release_region(s->iosynth, CM_EXTENT_SYNTH);
3191 unregister_sound_dsp(s->dev_audio);
3192 unregister_sound_mixer(s->dev_mixer);
3193 #ifdef CONFIG_SOUND_CMPCI_MIDI
3194 unregister_sound_midi(s->dev_midi);
3196 #ifdef CONFIG_SOUND_CMPCI_FM
3197 unregister_sound_special(s->dev_dmfm);
3202 free_pages(wavetable_mem, 20-PAGE_SHIFT);
3203 printk(KERN_INFO "cmpci: unloading\n");
3206 module_init(init_cmpci);
3207 module_exit(cleanup_cmpci);