[ALSA] sound - fix .iface field of mixer control elements
[linux-2.6.git] / sound / pci / cs46xx / cs46xx_lib.c
1 /*
2  *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>
3  *                   Abramo Bagnara <abramo@alsa-project.org>
4  *                   Cirrus Logic, Inc.
5  *  Routines for control of Cirrus Logic CS461x chips
6  *
7  *  KNOWN BUGS:
8  *    - Sometimes the SPDIF input DSP tasks get's unsynchronized
9  *      and the SPDIF get somewhat "distorcionated", or/and left right channel
10  *      are swapped. To get around this problem when it happens, mute and unmute 
11  *      the SPDIF input mixer controll.
12  *    - On the Hercules Game Theater XP the amplifier are sometimes turned
13  *      off on inadecuate moments which causes distorcions on sound.
14  *
15  *  TODO:
16  *    - Secondary CODEC on some soundcards
17  *    - SPDIF input support for other sample rates then 48khz
18  *    - Posibility to mix the SPDIF output with analog sources.
19  *    - PCM channels for Center and LFE on secondary codec
20  *
21  *  NOTE: with CONFIG_SND_CS46XX_NEW_DSP unset uses old DSP image (which
22  *        is default configuration), no SPDIF, no secondary codec, no
23  *        multi channel PCM.  But known to work.
24  *
25  *  FINALLY: A credit to the developers Tom and Jordan 
26  *           at Cirrus for have helping me out with the DSP, however we
27  *           still don't have sufficient documentation and technical
28  *           references to be able to implement all fancy feutures
29  *           supported by the cs46xx DSP's. 
30  *           Benny <benny@hostmobility.com>
31  *                
32  *   This program is free software; you can redistribute it and/or modify
33  *   it under the terms of the GNU General Public License as published by
34  *   the Free Software Foundation; either version 2 of the License, or
35  *   (at your option) any later version.
36  *
37  *   This program is distributed in the hope that it will be useful,
38  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
39  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
40  *   GNU General Public License for more details.
41  *
42  *   You should have received a copy of the GNU General Public License
43  *   along with this program; if not, write to the Free Software
44  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
45  *
46  */
47
48 #include <sound/driver.h>
49 #include <linux/delay.h>
50 #include <linux/pci.h>
51 #include <linux/pm.h>
52 #include <linux/init.h>
53 #include <linux/interrupt.h>
54 #include <linux/slab.h>
55 #include <linux/gameport.h>
56
57 #include <sound/core.h>
58 #include <sound/control.h>
59 #include <sound/info.h>
60 #include <sound/pcm.h>
61 #include <sound/pcm_params.h>
62 #include <sound/cs46xx.h>
63
64 #include <asm/io.h>
65
66 #include "cs46xx_lib.h"
67 #include "dsp_spos.h"
68
69 static void amp_voyetra(cs46xx_t *chip, int change);
70
71 #ifdef CONFIG_SND_CS46XX_NEW_DSP
72 static snd_pcm_ops_t snd_cs46xx_playback_rear_ops;
73 static snd_pcm_ops_t snd_cs46xx_playback_indirect_rear_ops;
74 static snd_pcm_ops_t snd_cs46xx_playback_clfe_ops;
75 static snd_pcm_ops_t snd_cs46xx_playback_indirect_clfe_ops;
76 static snd_pcm_ops_t snd_cs46xx_playback_iec958_ops;
77 static snd_pcm_ops_t snd_cs46xx_playback_indirect_iec958_ops;
78 #endif
79
80 static snd_pcm_ops_t snd_cs46xx_playback_ops;
81 static snd_pcm_ops_t snd_cs46xx_playback_indirect_ops;
82 static snd_pcm_ops_t snd_cs46xx_capture_ops;
83 static snd_pcm_ops_t snd_cs46xx_capture_indirect_ops;
84
85 static unsigned short snd_cs46xx_codec_read(cs46xx_t *chip,
86                                             unsigned short reg,
87                                             int codec_index)
88 {
89         int count;
90         unsigned short result,tmp;
91         u32 offset = 0;
92         snd_assert ( (codec_index == CS46XX_PRIMARY_CODEC_INDEX) ||
93                      (codec_index == CS46XX_SECONDARY_CODEC_INDEX),
94                      return -EINVAL);
95
96         chip->active_ctrl(chip, 1);
97
98         if (codec_index == CS46XX_SECONDARY_CODEC_INDEX)
99                 offset = CS46XX_SECONDARY_CODEC_OFFSET;
100
101         /*
102          *  1. Write ACCAD = Command Address Register = 46Ch for AC97 register address
103          *  2. Write ACCDA = Command Data Register = 470h    for data to write to AC97 
104          *  3. Write ACCTL = Control Register = 460h for initiating the write7---55
105          *  4. Read ACCTL = 460h, DCV should be reset by now and 460h = 17h
106          *  5. if DCV not cleared, break and return error
107          *  6. Read ACSTS = Status Register = 464h, check VSTS bit
108          */
109
110         snd_cs46xx_peekBA0(chip, BA0_ACSDA + offset);
111
112         tmp = snd_cs46xx_peekBA0(chip, BA0_ACCTL);
113         if ((tmp & ACCTL_VFRM) == 0) {
114                 snd_printk(KERN_WARNING  "cs46xx: ACCTL_VFRM not set 0x%x\n",tmp);
115                 snd_cs46xx_pokeBA0(chip, BA0_ACCTL, (tmp & (~ACCTL_ESYN)) | ACCTL_VFRM );
116                 msleep(50);
117                 tmp = snd_cs46xx_peekBA0(chip, BA0_ACCTL + offset);
118                 snd_cs46xx_pokeBA0(chip, BA0_ACCTL, tmp | ACCTL_ESYN | ACCTL_VFRM );
119
120         }
121
122         /*
123          *  Setup the AC97 control registers on the CS461x to send the
124          *  appropriate command to the AC97 to perform the read.
125          *  ACCAD = Command Address Register = 46Ch
126          *  ACCDA = Command Data Register = 470h
127          *  ACCTL = Control Register = 460h
128          *  set DCV - will clear when process completed
129          *  set CRW - Read command
130          *  set VFRM - valid frame enabled
131          *  set ESYN - ASYNC generation enabled
132          *  set RSTN - ARST# inactive, AC97 codec not reset
133          */
134
135         snd_cs46xx_pokeBA0(chip, BA0_ACCAD, reg);
136         snd_cs46xx_pokeBA0(chip, BA0_ACCDA, 0);
137         if (codec_index == CS46XX_PRIMARY_CODEC_INDEX) {
138                 snd_cs46xx_pokeBA0(chip, BA0_ACCTL,/* clear ACCTL_DCV */ ACCTL_CRW | 
139                                    ACCTL_VFRM | ACCTL_ESYN |
140                                    ACCTL_RSTN);
141                 snd_cs46xx_pokeBA0(chip, BA0_ACCTL, ACCTL_DCV | ACCTL_CRW |
142                                    ACCTL_VFRM | ACCTL_ESYN |
143                                    ACCTL_RSTN);
144         } else {
145                 snd_cs46xx_pokeBA0(chip, BA0_ACCTL, ACCTL_DCV | ACCTL_TC |
146                                    ACCTL_CRW | ACCTL_VFRM | ACCTL_ESYN |
147                                    ACCTL_RSTN);
148         }
149
150         /*
151          *  Wait for the read to occur.
152          */
153         for (count = 0; count < 1000; count++) {
154                 /*
155                  *  First, we want to wait for a short time.
156                  */
157                 udelay(10);
158                 /*
159                  *  Now, check to see if the read has completed.
160                  *  ACCTL = 460h, DCV should be reset by now and 460h = 17h
161                  */
162                 if (!(snd_cs46xx_peekBA0(chip, BA0_ACCTL) & ACCTL_DCV))
163                         goto ok1;
164         }
165
166         snd_printk("AC'97 read problem (ACCTL_DCV), reg = 0x%x\n", reg);
167         result = 0xffff;
168         goto end;
169         
170  ok1:
171         /*
172          *  Wait for the valid status bit to go active.
173          */
174         for (count = 0; count < 100; count++) {
175                 /*
176                  *  Read the AC97 status register.
177                  *  ACSTS = Status Register = 464h
178                  *  VSTS - Valid Status
179                  */
180                 if (snd_cs46xx_peekBA0(chip, BA0_ACSTS + offset) & ACSTS_VSTS)
181                         goto ok2;
182                 udelay(10);
183         }
184         
185         snd_printk("AC'97 read problem (ACSTS_VSTS), codec_index %d, reg = 0x%x\n", codec_index, reg);
186         result = 0xffff;
187         goto end;
188
189  ok2:
190         /*
191          *  Read the data returned from the AC97 register.
192          *  ACSDA = Status Data Register = 474h
193          */
194 #if 0
195         printk("e) reg = 0x%x, val = 0x%x, BA0_ACCAD = 0x%x\n", reg,
196                         snd_cs46xx_peekBA0(chip, BA0_ACSDA),
197                         snd_cs46xx_peekBA0(chip, BA0_ACCAD));
198 #endif
199
200         //snd_cs46xx_peekBA0(chip, BA0_ACCAD);
201         result = snd_cs46xx_peekBA0(chip, BA0_ACSDA + offset);
202  end:
203         chip->active_ctrl(chip, -1);
204         return result;
205 }
206
207 static unsigned short snd_cs46xx_ac97_read(ac97_t * ac97,
208                                             unsigned short reg)
209 {
210         cs46xx_t *chip = ac97->private_data;
211         unsigned short val;
212         int codec_index = ac97->num;
213
214         snd_assert(codec_index == CS46XX_PRIMARY_CODEC_INDEX ||
215                    codec_index == CS46XX_SECONDARY_CODEC_INDEX,
216                    return 0xffff);
217
218         val = snd_cs46xx_codec_read(chip, reg, codec_index);
219
220         return val;
221 }
222
223
224 static void snd_cs46xx_codec_write(cs46xx_t *chip,
225                                    unsigned short reg,
226                                    unsigned short val,
227                                    int codec_index)
228 {
229         int count;
230
231         snd_assert ((codec_index == CS46XX_PRIMARY_CODEC_INDEX) ||
232                     (codec_index == CS46XX_SECONDARY_CODEC_INDEX),
233                     return);
234
235         chip->active_ctrl(chip, 1);
236
237         /*
238          *  1. Write ACCAD = Command Address Register = 46Ch for AC97 register address
239          *  2. Write ACCDA = Command Data Register = 470h    for data to write to AC97
240          *  3. Write ACCTL = Control Register = 460h for initiating the write
241          *  4. Read ACCTL = 460h, DCV should be reset by now and 460h = 07h
242          *  5. if DCV not cleared, break and return error
243          */
244
245         /*
246          *  Setup the AC97 control registers on the CS461x to send the
247          *  appropriate command to the AC97 to perform the read.
248          *  ACCAD = Command Address Register = 46Ch
249          *  ACCDA = Command Data Register = 470h
250          *  ACCTL = Control Register = 460h
251          *  set DCV - will clear when process completed
252          *  reset CRW - Write command
253          *  set VFRM - valid frame enabled
254          *  set ESYN - ASYNC generation enabled
255          *  set RSTN - ARST# inactive, AC97 codec not reset
256          */
257         snd_cs46xx_pokeBA0(chip, BA0_ACCAD , reg);
258         snd_cs46xx_pokeBA0(chip, BA0_ACCDA , val);
259         snd_cs46xx_peekBA0(chip, BA0_ACCTL);
260
261         if (codec_index == CS46XX_PRIMARY_CODEC_INDEX) {
262                 snd_cs46xx_pokeBA0(chip, BA0_ACCTL, /* clear ACCTL_DCV */ ACCTL_VFRM |
263                                    ACCTL_ESYN | ACCTL_RSTN);
264                 snd_cs46xx_pokeBA0(chip, BA0_ACCTL, ACCTL_DCV | ACCTL_VFRM |
265                                    ACCTL_ESYN | ACCTL_RSTN);
266         } else {
267                 snd_cs46xx_pokeBA0(chip, BA0_ACCTL, ACCTL_DCV | ACCTL_TC |
268                                    ACCTL_VFRM | ACCTL_ESYN | ACCTL_RSTN);
269         }
270
271         for (count = 0; count < 4000; count++) {
272                 /*
273                  *  First, we want to wait for a short time.
274                  */
275                 udelay(10);
276                 /*
277                  *  Now, check to see if the write has completed.
278                  *  ACCTL = 460h, DCV should be reset by now and 460h = 07h
279                  */
280                 if (!(snd_cs46xx_peekBA0(chip, BA0_ACCTL) & ACCTL_DCV)) {
281                         goto end;
282                 }
283         }
284         snd_printk("AC'97 write problem, codec_index = %d, reg = 0x%x, val = 0x%x\n", codec_index, reg, val);
285  end:
286         chip->active_ctrl(chip, -1);
287 }
288
289 static void snd_cs46xx_ac97_write(ac97_t *ac97,
290                                    unsigned short reg,
291                                    unsigned short val)
292 {
293         cs46xx_t *chip = ac97->private_data;
294         int codec_index = ac97->num;
295
296         snd_assert(codec_index == CS46XX_PRIMARY_CODEC_INDEX ||
297                    codec_index == CS46XX_SECONDARY_CODEC_INDEX,
298                    return);
299
300         snd_cs46xx_codec_write(chip, reg, val, codec_index);
301 }
302
303
304 /*
305  *  Chip initialization
306  */
307
308 int snd_cs46xx_download(cs46xx_t *chip,
309                         u32 *src,
310                         unsigned long offset,
311                         unsigned long len)
312 {
313         void __iomem *dst;
314         unsigned int bank = offset >> 16;
315         offset = offset & 0xffff;
316
317         snd_assert(!(offset & 3) && !(len & 3), return -EINVAL);
318         dst = chip->region.idx[bank+1].remap_addr + offset;
319         len /= sizeof(u32);
320
321         /* writel already converts 32-bit value to right endianess */
322         while (len-- > 0) {
323                 writel(*src++, dst);
324                 dst += sizeof(u32);
325         }
326         return 0;
327 }
328
329 #ifdef CONFIG_SND_CS46XX_NEW_DSP
330
331 #include "imgs/cwc4630.h"
332 #include "imgs/cwcasync.h"
333 #include "imgs/cwcsnoop.h"
334 #include "imgs/cwcbinhack.h"
335 #include "imgs/cwcdma.h"
336
337 int snd_cs46xx_clear_BA1(cs46xx_t *chip,
338                          unsigned long offset,
339                          unsigned long len) 
340 {
341         void __iomem *dst;
342         unsigned int bank = offset >> 16;
343         offset = offset & 0xffff;
344
345         snd_assert(!(offset & 3) && !(len & 3), return -EINVAL);
346         dst = chip->region.idx[bank+1].remap_addr + offset;
347         len /= sizeof(u32);
348
349         /* writel already converts 32-bit value to right endianess */
350         while (len-- > 0) {
351                 writel(0, dst);
352                 dst += sizeof(u32);
353         }
354         return 0;
355 }
356
357 #else /* old DSP image */
358
359 #include "cs46xx_image.h"
360
361 int snd_cs46xx_download_image(cs46xx_t *chip)
362 {
363         int idx, err;
364         unsigned long offset = 0;
365
366         for (idx = 0; idx < BA1_MEMORY_COUNT; idx++) {
367                 if ((err = snd_cs46xx_download(chip,
368                                                &BA1Struct.map[offset],
369                                                BA1Struct.memory[idx].offset,
370                                                BA1Struct.memory[idx].size)) < 0)
371                         return err;
372                 offset += BA1Struct.memory[idx].size >> 2;
373         }       
374         return 0;
375 }
376 #endif /* CONFIG_SND_CS46XX_NEW_DSP */
377
378 /*
379  *  Chip reset
380  */
381
382 static void snd_cs46xx_reset(cs46xx_t *chip)
383 {
384         int idx;
385
386         /*
387          *  Write the reset bit of the SP control register.
388          */
389         snd_cs46xx_poke(chip, BA1_SPCR, SPCR_RSTSP);
390
391         /*
392          *  Write the control register.
393          */
394         snd_cs46xx_poke(chip, BA1_SPCR, SPCR_DRQEN);
395
396         /*
397          *  Clear the trap registers.
398          */
399         for (idx = 0; idx < 8; idx++) {
400                 snd_cs46xx_poke(chip, BA1_DREG, DREG_REGID_TRAP_SELECT + idx);
401                 snd_cs46xx_poke(chip, BA1_TWPR, 0xFFFF);
402         }
403         snd_cs46xx_poke(chip, BA1_DREG, 0);
404
405         /*
406          *  Set the frame timer to reflect the number of cycles per frame.
407          */
408         snd_cs46xx_poke(chip, BA1_FRMT, 0xadf);
409 }
410
411 static int cs46xx_wait_for_fifo(cs46xx_t * chip,int retry_timeout) 
412 {
413         u32 i, status = 0;
414         /*
415          * Make sure the previous FIFO write operation has completed.
416          */
417         for(i = 0; i < 50; i++){
418                 status = snd_cs46xx_peekBA0(chip, BA0_SERBST);
419     
420                 if( !(status & SERBST_WBSY) )
421                         break;
422
423                 mdelay(retry_timeout);
424         }
425   
426         if(status & SERBST_WBSY) {
427                 snd_printk( KERN_ERR "cs46xx: failure waiting for FIFO command to complete\n");
428
429                 return -EINVAL;
430         }
431
432         return 0;
433 }
434
435 static void snd_cs46xx_clear_serial_FIFOs(cs46xx_t *chip)
436 {
437         int idx, powerdown = 0;
438         unsigned int tmp;
439
440         /*
441          *  See if the devices are powered down.  If so, we must power them up first
442          *  or they will not respond.
443          */
444         tmp = snd_cs46xx_peekBA0(chip, BA0_CLKCR1);
445         if (!(tmp & CLKCR1_SWCE)) {
446                 snd_cs46xx_pokeBA0(chip, BA0_CLKCR1, tmp | CLKCR1_SWCE);
447                 powerdown = 1;
448         }
449
450         /*
451          *  We want to clear out the serial port FIFOs so we don't end up playing
452          *  whatever random garbage happens to be in them.  We fill the sample FIFOS
453          *  with zero (silence).
454          */
455         snd_cs46xx_pokeBA0(chip, BA0_SERBWP, 0);
456
457         /*
458          *  Fill all 256 sample FIFO locations.
459          */
460         for (idx = 0; idx < 0xFF; idx++) {
461                 /*
462                  *  Make sure the previous FIFO write operation has completed.
463                  */
464                 if (cs46xx_wait_for_fifo(chip,1)) {
465                         snd_printdd ("failed waiting for FIFO at addr (%02X)\n",idx);
466
467                         if (powerdown)
468                                 snd_cs46xx_pokeBA0(chip, BA0_CLKCR1, tmp);
469           
470                         break;
471                 }
472                 /*
473                  *  Write the serial port FIFO index.
474                  */
475                 snd_cs46xx_pokeBA0(chip, BA0_SERBAD, idx);
476                 /*
477                  *  Tell the serial port to load the new value into the FIFO location.
478                  */
479                 snd_cs46xx_pokeBA0(chip, BA0_SERBCM, SERBCM_WRC);
480         }
481         /*
482          *  Now, if we powered up the devices, then power them back down again.
483          *  This is kinda ugly, but should never happen.
484          */
485         if (powerdown)
486                 snd_cs46xx_pokeBA0(chip, BA0_CLKCR1, tmp);
487 }
488
489 static void snd_cs46xx_proc_start(cs46xx_t *chip)
490 {
491         int cnt;
492
493         /*
494          *  Set the frame timer to reflect the number of cycles per frame.
495          */
496         snd_cs46xx_poke(chip, BA1_FRMT, 0xadf);
497         /*
498          *  Turn on the run, run at frame, and DMA enable bits in the local copy of
499          *  the SP control register.
500          */
501         snd_cs46xx_poke(chip, BA1_SPCR, SPCR_RUN | SPCR_RUNFR | SPCR_DRQEN);
502         /*
503          *  Wait until the run at frame bit resets itself in the SP control
504          *  register.
505          */
506         for (cnt = 0; cnt < 25; cnt++) {
507                 udelay(50);
508                 if (!(snd_cs46xx_peek(chip, BA1_SPCR) & SPCR_RUNFR))
509                         break;
510         }
511
512         if (snd_cs46xx_peek(chip, BA1_SPCR) & SPCR_RUNFR)
513                 snd_printk("SPCR_RUNFR never reset\n");
514 }
515
516 static void snd_cs46xx_proc_stop(cs46xx_t *chip)
517 {
518         /*
519          *  Turn off the run, run at frame, and DMA enable bits in the local copy of
520          *  the SP control register.
521          */
522         snd_cs46xx_poke(chip, BA1_SPCR, 0);
523 }
524
525 /*
526  *  Sample rate routines
527  */
528
529 #define GOF_PER_SEC 200
530
531 static void snd_cs46xx_set_play_sample_rate(cs46xx_t *chip, unsigned int rate)
532 {
533         unsigned long flags;
534         unsigned int tmp1, tmp2;
535         unsigned int phiIncr;
536         unsigned int correctionPerGOF, correctionPerSec;
537
538         /*
539          *  Compute the values used to drive the actual sample rate conversion.
540          *  The following formulas are being computed, using inline assembly
541          *  since we need to use 64 bit arithmetic to compute the values:
542          *
543          *  phiIncr = floor((Fs,in * 2^26) / Fs,out)
544          *  correctionPerGOF = floor((Fs,in * 2^26 - Fs,out * phiIncr) /
545          *                                   GOF_PER_SEC)
546          *  ulCorrectionPerSec = Fs,in * 2^26 - Fs,out * phiIncr -M
547          *                       GOF_PER_SEC * correctionPerGOF
548          *
549          *  i.e.
550          *
551          *  phiIncr:other = dividend:remainder((Fs,in * 2^26) / Fs,out)
552          *  correctionPerGOF:correctionPerSec =
553          *      dividend:remainder(ulOther / GOF_PER_SEC)
554          */
555         tmp1 = rate << 16;
556         phiIncr = tmp1 / 48000;
557         tmp1 -= phiIncr * 48000;
558         tmp1 <<= 10;
559         phiIncr <<= 10;
560         tmp2 = tmp1 / 48000;
561         phiIncr += tmp2;
562         tmp1 -= tmp2 * 48000;
563         correctionPerGOF = tmp1 / GOF_PER_SEC;
564         tmp1 -= correctionPerGOF * GOF_PER_SEC;
565         correctionPerSec = tmp1;
566
567         /*
568          *  Fill in the SampleRateConverter control block.
569          */
570         spin_lock_irqsave(&chip->reg_lock, flags);
571         snd_cs46xx_poke(chip, BA1_PSRC,
572           ((correctionPerSec << 16) & 0xFFFF0000) | (correctionPerGOF & 0xFFFF));
573         snd_cs46xx_poke(chip, BA1_PPI, phiIncr);
574         spin_unlock_irqrestore(&chip->reg_lock, flags);
575 }
576
577 static void snd_cs46xx_set_capture_sample_rate(cs46xx_t *chip, unsigned int rate)
578 {
579         unsigned long flags;
580         unsigned int phiIncr, coeffIncr, tmp1, tmp2;
581         unsigned int correctionPerGOF, correctionPerSec, initialDelay;
582         unsigned int frameGroupLength, cnt;
583
584         /*
585          *  We can only decimate by up to a factor of 1/9th the hardware rate.
586          *  Correct the value if an attempt is made to stray outside that limit.
587          */
588         if ((rate * 9) < 48000)
589                 rate = 48000 / 9;
590
591         /*
592          *  We can not capture at at rate greater than the Input Rate (48000).
593          *  Return an error if an attempt is made to stray outside that limit.
594          */
595         if (rate > 48000)
596                 rate = 48000;
597
598         /*
599          *  Compute the values used to drive the actual sample rate conversion.
600          *  The following formulas are being computed, using inline assembly
601          *  since we need to use 64 bit arithmetic to compute the values:
602          *
603          *     coeffIncr = -floor((Fs,out * 2^23) / Fs,in)
604          *     phiIncr = floor((Fs,in * 2^26) / Fs,out)
605          *     correctionPerGOF = floor((Fs,in * 2^26 - Fs,out * phiIncr) /
606          *                                GOF_PER_SEC)
607          *     correctionPerSec = Fs,in * 2^26 - Fs,out * phiIncr -
608          *                          GOF_PER_SEC * correctionPerGOF
609          *     initialDelay = ceil((24 * Fs,in) / Fs,out)
610          *
611          * i.e.
612          *
613          *     coeffIncr = neg(dividend((Fs,out * 2^23) / Fs,in))
614          *     phiIncr:ulOther = dividend:remainder((Fs,in * 2^26) / Fs,out)
615          *     correctionPerGOF:correctionPerSec =
616          *          dividend:remainder(ulOther / GOF_PER_SEC)
617          *     initialDelay = dividend(((24 * Fs,in) + Fs,out - 1) / Fs,out)
618          */
619
620         tmp1 = rate << 16;
621         coeffIncr = tmp1 / 48000;
622         tmp1 -= coeffIncr * 48000;
623         tmp1 <<= 7;
624         coeffIncr <<= 7;
625         coeffIncr += tmp1 / 48000;
626         coeffIncr ^= 0xFFFFFFFF;
627         coeffIncr++;
628         tmp1 = 48000 << 16;
629         phiIncr = tmp1 / rate;
630         tmp1 -= phiIncr * rate;
631         tmp1 <<= 10;
632         phiIncr <<= 10;
633         tmp2 = tmp1 / rate;
634         phiIncr += tmp2;
635         tmp1 -= tmp2 * rate;
636         correctionPerGOF = tmp1 / GOF_PER_SEC;
637         tmp1 -= correctionPerGOF * GOF_PER_SEC;
638         correctionPerSec = tmp1;
639         initialDelay = ((48000 * 24) + rate - 1) / rate;
640
641         /*
642          *  Fill in the VariDecimate control block.
643          */
644         spin_lock_irqsave(&chip->reg_lock, flags);
645         snd_cs46xx_poke(chip, BA1_CSRC,
646                 ((correctionPerSec << 16) & 0xFFFF0000) | (correctionPerGOF & 0xFFFF));
647         snd_cs46xx_poke(chip, BA1_CCI, coeffIncr);
648         snd_cs46xx_poke(chip, BA1_CD,
649                 (((BA1_VARIDEC_BUF_1 + (initialDelay << 2)) << 16) & 0xFFFF0000) | 0x80);
650         snd_cs46xx_poke(chip, BA1_CPI, phiIncr);
651         spin_unlock_irqrestore(&chip->reg_lock, flags);
652
653         /*
654          *  Figure out the frame group length for the write back task.  Basically,
655          *  this is just the factors of 24000 (2^6*3*5^3) that are not present in
656          *  the output sample rate.
657          */
658         frameGroupLength = 1;
659         for (cnt = 2; cnt <= 64; cnt *= 2) {
660                 if (((rate / cnt) * cnt) != rate)
661                         frameGroupLength *= 2;
662         }
663         if (((rate / 3) * 3) != rate) {
664                 frameGroupLength *= 3;
665         }
666         for (cnt = 5; cnt <= 125; cnt *= 5) {
667                 if (((rate / cnt) * cnt) != rate) 
668                         frameGroupLength *= 5;
669         }
670
671         /*
672          * Fill in the WriteBack control block.
673          */
674         spin_lock_irqsave(&chip->reg_lock, flags);
675         snd_cs46xx_poke(chip, BA1_CFG1, frameGroupLength);
676         snd_cs46xx_poke(chip, BA1_CFG2, (0x00800000 | frameGroupLength));
677         snd_cs46xx_poke(chip, BA1_CCST, 0x0000FFFF);
678         snd_cs46xx_poke(chip, BA1_CSPB, ((65536 * rate) / 24000));
679         snd_cs46xx_poke(chip, (BA1_CSPB + 4), 0x0000FFFF);
680         spin_unlock_irqrestore(&chip->reg_lock, flags);
681 }
682
683 /*
684  *  PCM part
685  */
686
687 static void snd_cs46xx_pb_trans_copy(snd_pcm_substream_t *substream,
688                                      snd_pcm_indirect_t *rec, size_t bytes)
689 {
690         snd_pcm_runtime_t *runtime = substream->runtime;
691         cs46xx_pcm_t * cpcm = runtime->private_data;
692         memcpy(cpcm->hw_buf.area + rec->hw_data, runtime->dma_area + rec->sw_data, bytes);
693 }
694
695 static int snd_cs46xx_playback_transfer(snd_pcm_substream_t *substream)
696 {
697         snd_pcm_runtime_t *runtime = substream->runtime;
698         cs46xx_pcm_t * cpcm = runtime->private_data;
699         snd_pcm_indirect_playback_transfer(substream, &cpcm->pcm_rec, snd_cs46xx_pb_trans_copy);
700         return 0;
701 }
702
703 static void snd_cs46xx_cp_trans_copy(snd_pcm_substream_t *substream,
704                                      snd_pcm_indirect_t *rec, size_t bytes)
705 {
706         cs46xx_t *chip = snd_pcm_substream_chip(substream);
707         snd_pcm_runtime_t *runtime = substream->runtime;
708         memcpy(runtime->dma_area + rec->sw_data,
709                chip->capt.hw_buf.area + rec->hw_data, bytes);
710 }
711
712 static int snd_cs46xx_capture_transfer(snd_pcm_substream_t *substream)
713 {
714         cs46xx_t *chip = snd_pcm_substream_chip(substream);
715         snd_pcm_indirect_capture_transfer(substream, &chip->capt.pcm_rec, snd_cs46xx_cp_trans_copy);
716         return 0;
717 }
718
719 static snd_pcm_uframes_t snd_cs46xx_playback_direct_pointer(snd_pcm_substream_t * substream)
720 {
721         cs46xx_t *chip = snd_pcm_substream_chip(substream);
722         size_t ptr;
723         cs46xx_pcm_t *cpcm = substream->runtime->private_data;
724         snd_assert (cpcm->pcm_channel,return -ENXIO);
725
726 #ifdef CONFIG_SND_CS46XX_NEW_DSP
727         ptr = snd_cs46xx_peek(chip, (cpcm->pcm_channel->pcm_reader_scb->address + 2) << 2);
728 #else
729         ptr = snd_cs46xx_peek(chip, BA1_PBA);
730 #endif
731         ptr -= cpcm->hw_buf.addr;
732         return ptr >> cpcm->shift;
733 }
734
735 static snd_pcm_uframes_t snd_cs46xx_playback_indirect_pointer(snd_pcm_substream_t * substream)
736 {
737         cs46xx_t *chip = snd_pcm_substream_chip(substream);
738         size_t ptr;
739         cs46xx_pcm_t *cpcm = substream->runtime->private_data;
740
741 #ifdef CONFIG_SND_CS46XX_NEW_DSP
742         snd_assert (cpcm->pcm_channel,return -ENXIO);
743         ptr = snd_cs46xx_peek(chip, (cpcm->pcm_channel->pcm_reader_scb->address + 2) << 2);
744 #else
745         ptr = snd_cs46xx_peek(chip, BA1_PBA);
746 #endif
747         ptr -= cpcm->hw_buf.addr;
748         return snd_pcm_indirect_playback_pointer(substream, &cpcm->pcm_rec, ptr);
749 }
750
751 static snd_pcm_uframes_t snd_cs46xx_capture_direct_pointer(snd_pcm_substream_t * substream)
752 {
753         cs46xx_t *chip = snd_pcm_substream_chip(substream);
754         size_t ptr = snd_cs46xx_peek(chip, BA1_CBA) - chip->capt.hw_buf.addr;
755         return ptr >> chip->capt.shift;
756 }
757
758 static snd_pcm_uframes_t snd_cs46xx_capture_indirect_pointer(snd_pcm_substream_t * substream)
759 {
760         cs46xx_t *chip = snd_pcm_substream_chip(substream);
761         size_t ptr = snd_cs46xx_peek(chip, BA1_CBA) - chip->capt.hw_buf.addr;
762         return snd_pcm_indirect_capture_pointer(substream, &chip->capt.pcm_rec, ptr);
763 }
764
765 static int snd_cs46xx_playback_trigger(snd_pcm_substream_t * substream,
766                                        int cmd)
767 {
768         cs46xx_t *chip = snd_pcm_substream_chip(substream);
769         /*snd_pcm_runtime_t *runtime = substream->runtime;*/
770         int result = 0;
771
772 #ifdef CONFIG_SND_CS46XX_NEW_DSP
773         cs46xx_pcm_t *cpcm = substream->runtime->private_data;
774         if (! cpcm->pcm_channel) {
775                 return -ENXIO;
776         }
777 #endif
778         switch (cmd) {
779         case SNDRV_PCM_TRIGGER_START:
780         case SNDRV_PCM_TRIGGER_RESUME:
781 #ifdef CONFIG_SND_CS46XX_NEW_DSP
782                 /* magic value to unmute PCM stream  playback volume */
783                 snd_cs46xx_poke(chip, (cpcm->pcm_channel->pcm_reader_scb->address + 
784                                        SCBVolumeCtrl) << 2, 0x80008000);
785
786                 if (cpcm->pcm_channel->unlinked)
787                         cs46xx_dsp_pcm_link(chip,cpcm->pcm_channel);
788
789                 if (substream->runtime->periods != CS46XX_FRAGS)
790                         snd_cs46xx_playback_transfer(substream);
791 #else
792                 spin_lock(&chip->reg_lock);
793                 if (substream->runtime->periods != CS46XX_FRAGS)
794                         snd_cs46xx_playback_transfer(substream);
795                 { unsigned int tmp;
796                 tmp = snd_cs46xx_peek(chip, BA1_PCTL);
797                 tmp &= 0x0000ffff;
798                 snd_cs46xx_poke(chip, BA1_PCTL, chip->play_ctl | tmp);
799                 }
800                 spin_unlock(&chip->reg_lock);
801 #endif
802                 break;
803         case SNDRV_PCM_TRIGGER_STOP:
804         case SNDRV_PCM_TRIGGER_SUSPEND:
805 #ifdef CONFIG_SND_CS46XX_NEW_DSP
806                 /* magic mute channel */
807                 snd_cs46xx_poke(chip, (cpcm->pcm_channel->pcm_reader_scb->address + 
808                                        SCBVolumeCtrl) << 2, 0xffffffff);
809
810                 if (!cpcm->pcm_channel->unlinked)
811                         cs46xx_dsp_pcm_unlink(chip,cpcm->pcm_channel);
812 #else
813                 spin_lock(&chip->reg_lock);
814                 { unsigned int tmp;
815                 tmp = snd_cs46xx_peek(chip, BA1_PCTL);
816                 tmp &= 0x0000ffff;
817                 snd_cs46xx_poke(chip, BA1_PCTL, tmp);
818                 }
819                 spin_unlock(&chip->reg_lock);
820 #endif
821                 break;
822         default:
823                 result = -EINVAL;
824                 break;
825         }
826
827         return result;
828 }
829
830 static int snd_cs46xx_capture_trigger(snd_pcm_substream_t * substream,
831                                       int cmd)
832 {
833         cs46xx_t *chip = snd_pcm_substream_chip(substream);
834         unsigned int tmp;
835         int result = 0;
836
837         spin_lock(&chip->reg_lock);
838         switch (cmd) {
839         case SNDRV_PCM_TRIGGER_START:
840         case SNDRV_PCM_TRIGGER_RESUME:
841                 tmp = snd_cs46xx_peek(chip, BA1_CCTL);
842                 tmp &= 0xffff0000;
843                 snd_cs46xx_poke(chip, BA1_CCTL, chip->capt.ctl | tmp);
844                 break;
845         case SNDRV_PCM_TRIGGER_STOP:
846         case SNDRV_PCM_TRIGGER_SUSPEND:
847                 tmp = snd_cs46xx_peek(chip, BA1_CCTL);
848                 tmp &= 0xffff0000;
849                 snd_cs46xx_poke(chip, BA1_CCTL, tmp);
850                 break;
851         default:
852                 result = -EINVAL;
853                 break;
854         }
855         spin_unlock(&chip->reg_lock);
856
857         return result;
858 }
859
860 #ifdef CONFIG_SND_CS46XX_NEW_DSP
861 static int _cs46xx_adjust_sample_rate (cs46xx_t *chip, cs46xx_pcm_t *cpcm,
862                                        int sample_rate) 
863 {
864
865         /* If PCMReaderSCB and SrcTaskSCB not created yet ... */
866         if ( cpcm->pcm_channel == NULL) {
867                 cpcm->pcm_channel = cs46xx_dsp_create_pcm_channel (chip, sample_rate, 
868                                                                    cpcm, cpcm->hw_buf.addr,cpcm->pcm_channel_id);
869                 if (cpcm->pcm_channel == NULL) {
870                         snd_printk(KERN_ERR "cs46xx: failed to create virtual PCM channel\n");
871                         return -ENOMEM;
872                 }
873                 cpcm->pcm_channel->sample_rate = sample_rate;
874         } else
875         /* if sample rate is changed */
876         if ((int)cpcm->pcm_channel->sample_rate != sample_rate) {
877                 int unlinked = cpcm->pcm_channel->unlinked;
878                 cs46xx_dsp_destroy_pcm_channel (chip,cpcm->pcm_channel);
879
880                 if ( (cpcm->pcm_channel = cs46xx_dsp_create_pcm_channel (chip, sample_rate, cpcm, 
881                                                                          cpcm->hw_buf.addr,
882                                                                          cpcm->pcm_channel_id)) == NULL) {
883                         snd_printk(KERN_ERR "cs46xx: failed to re-create virtual PCM channel\n");
884                         return -ENOMEM;
885                 }
886
887                 if (!unlinked) cs46xx_dsp_pcm_link (chip,cpcm->pcm_channel);
888                 cpcm->pcm_channel->sample_rate = sample_rate;
889         }
890
891         return 0;
892 }
893 #endif
894
895
896 static int snd_cs46xx_playback_hw_params(snd_pcm_substream_t * substream,
897                                          snd_pcm_hw_params_t * hw_params)
898 {
899         snd_pcm_runtime_t *runtime = substream->runtime;
900         cs46xx_pcm_t *cpcm;
901         int err;
902 #ifdef CONFIG_SND_CS46XX_NEW_DSP
903         cs46xx_t *chip = snd_pcm_substream_chip(substream);
904         int sample_rate = params_rate(hw_params);
905         int period_size = params_period_bytes(hw_params);
906 #endif
907         cpcm = runtime->private_data;
908
909 #ifdef CONFIG_SND_CS46XX_NEW_DSP
910         snd_assert (sample_rate != 0, return -ENXIO);
911
912         down (&chip->spos_mutex);
913
914         if (_cs46xx_adjust_sample_rate (chip,cpcm,sample_rate)) {
915                 up (&chip->spos_mutex);
916                 return -ENXIO;
917         }
918
919         snd_assert (cpcm->pcm_channel != NULL);
920         if (!cpcm->pcm_channel) {
921                 up (&chip->spos_mutex);
922                 return -ENXIO;
923         }
924
925
926         if (cs46xx_dsp_pcm_channel_set_period (chip,cpcm->pcm_channel,period_size)) {
927                  up (&chip->spos_mutex);
928                  return -EINVAL;
929          }
930
931         snd_printdd ("period_size (%d), periods (%d) buffer_size(%d)\n",
932                      period_size, params_periods(hw_params),
933                      params_buffer_bytes(hw_params));
934 #endif
935
936         if (params_periods(hw_params) == CS46XX_FRAGS) {
937                 if (runtime->dma_area != cpcm->hw_buf.area)
938                         snd_pcm_lib_free_pages(substream);
939                 runtime->dma_area = cpcm->hw_buf.area;
940                 runtime->dma_addr = cpcm->hw_buf.addr;
941                 runtime->dma_bytes = cpcm->hw_buf.bytes;
942
943
944 #ifdef CONFIG_SND_CS46XX_NEW_DSP
945                 if (cpcm->pcm_channel_id == DSP_PCM_MAIN_CHANNEL) {
946                         substream->ops = &snd_cs46xx_playback_ops;
947                 } else if (cpcm->pcm_channel_id == DSP_PCM_REAR_CHANNEL) {
948                         substream->ops = &snd_cs46xx_playback_rear_ops;
949                 } else if (cpcm->pcm_channel_id == DSP_PCM_CENTER_LFE_CHANNEL) {
950                         substream->ops = &snd_cs46xx_playback_clfe_ops;
951                 } else if (cpcm->pcm_channel_id == DSP_IEC958_CHANNEL) {
952                         substream->ops = &snd_cs46xx_playback_iec958_ops;
953                 } else {
954                         snd_assert(0);
955                 }
956 #else
957                 substream->ops = &snd_cs46xx_playback_ops;
958 #endif
959
960         } else {
961                 if (runtime->dma_area == cpcm->hw_buf.area) {
962                         runtime->dma_area = NULL;
963                         runtime->dma_addr = 0;
964                         runtime->dma_bytes = 0;
965                 }
966                 if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0) {
967 #ifdef CONFIG_SND_CS46XX_NEW_DSP
968                         up (&chip->spos_mutex);
969 #endif
970                         return err;
971                 }
972
973 #ifdef CONFIG_SND_CS46XX_NEW_DSP
974                 if (cpcm->pcm_channel_id == DSP_PCM_MAIN_CHANNEL) {
975                         substream->ops = &snd_cs46xx_playback_indirect_ops;
976                 } else if (cpcm->pcm_channel_id == DSP_PCM_REAR_CHANNEL) {
977                         substream->ops = &snd_cs46xx_playback_indirect_rear_ops;
978                 } else if (cpcm->pcm_channel_id == DSP_PCM_CENTER_LFE_CHANNEL) {
979                         substream->ops = &snd_cs46xx_playback_indirect_clfe_ops;
980                 } else if (cpcm->pcm_channel_id == DSP_IEC958_CHANNEL) {
981                         substream->ops = &snd_cs46xx_playback_indirect_iec958_ops;
982                 } else {
983                         snd_assert(0);
984                 }
985 #else
986                 substream->ops = &snd_cs46xx_playback_indirect_ops;
987 #endif
988
989         }
990
991 #ifdef CONFIG_SND_CS46XX_NEW_DSP
992         up (&chip->spos_mutex);
993 #endif
994
995         return 0;
996 }
997
998 static int snd_cs46xx_playback_hw_free(snd_pcm_substream_t * substream)
999 {
1000         /*cs46xx_t *chip = snd_pcm_substream_chip(substream);*/
1001         snd_pcm_runtime_t *runtime = substream->runtime;
1002         cs46xx_pcm_t *cpcm;
1003
1004         cpcm = runtime->private_data;
1005
1006         /* if play_back open fails, then this function
1007            is called and cpcm can actually be NULL here */
1008         if (!cpcm) return -ENXIO;
1009
1010         if (runtime->dma_area != cpcm->hw_buf.area)
1011                 snd_pcm_lib_free_pages(substream);
1012     
1013         runtime->dma_area = NULL;
1014         runtime->dma_addr = 0;
1015         runtime->dma_bytes = 0;
1016
1017         return 0;
1018 }
1019
1020 static int snd_cs46xx_playback_prepare(snd_pcm_substream_t * substream)
1021 {
1022         unsigned int tmp;
1023         unsigned int pfie;
1024         cs46xx_t *chip = snd_pcm_substream_chip(substream);
1025         snd_pcm_runtime_t *runtime = substream->runtime;
1026         cs46xx_pcm_t *cpcm;
1027
1028         cpcm = runtime->private_data;
1029
1030 #ifdef CONFIG_SND_CS46XX_NEW_DSP
1031     snd_assert (cpcm->pcm_channel != NULL, return -ENXIO);
1032
1033         pfie = snd_cs46xx_peek(chip, (cpcm->pcm_channel->pcm_reader_scb->address + 1) << 2 );
1034         pfie &= ~0x0000f03f;
1035 #else
1036         /* old dsp */
1037         pfie = snd_cs46xx_peek(chip, BA1_PFIE);
1038         pfie &= ~0x0000f03f;
1039 #endif
1040
1041         cpcm->shift = 2;
1042         /* if to convert from stereo to mono */
1043         if (runtime->channels == 1) {
1044                 cpcm->shift--;
1045                 pfie |= 0x00002000;
1046         }
1047         /* if to convert from 8 bit to 16 bit */
1048         if (snd_pcm_format_width(runtime->format) == 8) {
1049                 cpcm->shift--;
1050                 pfie |= 0x00001000;
1051         }
1052         /* if to convert to unsigned */
1053         if (snd_pcm_format_unsigned(runtime->format))
1054                 pfie |= 0x00008000;
1055
1056         /* Never convert byte order when sample stream is 8 bit */
1057         if (snd_pcm_format_width(runtime->format) != 8) {
1058                 /* convert from big endian to little endian */
1059                 if (snd_pcm_format_big_endian(runtime->format))
1060                         pfie |= 0x00004000;
1061         }
1062         
1063         memset(&cpcm->pcm_rec, 0, sizeof(cpcm->pcm_rec));
1064         cpcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream);
1065         cpcm->pcm_rec.hw_buffer_size = runtime->period_size * CS46XX_FRAGS << cpcm->shift;
1066
1067 #ifdef CONFIG_SND_CS46XX_NEW_DSP
1068
1069         tmp = snd_cs46xx_peek(chip, (cpcm->pcm_channel->pcm_reader_scb->address) << 2);
1070         tmp &= ~0x000003ff;
1071         tmp |= (4 << cpcm->shift) - 1;
1072         /* playback transaction count register */
1073         snd_cs46xx_poke(chip, (cpcm->pcm_channel->pcm_reader_scb->address) << 2, tmp);
1074
1075         /* playback format && interrupt enable */
1076         snd_cs46xx_poke(chip, (cpcm->pcm_channel->pcm_reader_scb->address + 1) << 2, pfie | cpcm->pcm_channel->pcm_slot);
1077 #else
1078         snd_cs46xx_poke(chip, BA1_PBA, cpcm->hw_buf.addr);
1079         tmp = snd_cs46xx_peek(chip, BA1_PDTC);
1080         tmp &= ~0x000003ff;
1081         tmp |= (4 << cpcm->shift) - 1;
1082         snd_cs46xx_poke(chip, BA1_PDTC, tmp);
1083         snd_cs46xx_poke(chip, BA1_PFIE, pfie);
1084         snd_cs46xx_set_play_sample_rate(chip, runtime->rate);
1085 #endif
1086
1087         return 0;
1088 }
1089
1090 static int snd_cs46xx_capture_hw_params(snd_pcm_substream_t * substream,
1091                                         snd_pcm_hw_params_t * hw_params)
1092 {
1093         cs46xx_t *chip = snd_pcm_substream_chip(substream);
1094         snd_pcm_runtime_t *runtime = substream->runtime;
1095         int err;
1096
1097 #ifdef CONFIG_SND_CS46XX_NEW_DSP
1098         cs46xx_dsp_pcm_ostream_set_period (chip, params_period_bytes(hw_params));
1099 #endif
1100         if (runtime->periods == CS46XX_FRAGS) {
1101                 if (runtime->dma_area != chip->capt.hw_buf.area)
1102                         snd_pcm_lib_free_pages(substream);
1103                 runtime->dma_area = chip->capt.hw_buf.area;
1104                 runtime->dma_addr = chip->capt.hw_buf.addr;
1105                 runtime->dma_bytes = chip->capt.hw_buf.bytes;
1106                 substream->ops = &snd_cs46xx_capture_ops;
1107         } else {
1108                 if (runtime->dma_area == chip->capt.hw_buf.area) {
1109                         runtime->dma_area = NULL;
1110                         runtime->dma_addr = 0;
1111                         runtime->dma_bytes = 0;
1112                 }
1113                 if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
1114                         return err;
1115                 substream->ops = &snd_cs46xx_capture_indirect_ops;
1116         }
1117
1118         return 0;
1119 }
1120
1121 static int snd_cs46xx_capture_hw_free(snd_pcm_substream_t * substream)
1122 {
1123         cs46xx_t *chip = snd_pcm_substream_chip(substream);
1124         snd_pcm_runtime_t *runtime = substream->runtime;
1125
1126         if (runtime->dma_area != chip->capt.hw_buf.area)
1127                 snd_pcm_lib_free_pages(substream);
1128         runtime->dma_area = NULL;
1129         runtime->dma_addr = 0;
1130         runtime->dma_bytes = 0;
1131
1132         return 0;
1133 }
1134
1135 static int snd_cs46xx_capture_prepare(snd_pcm_substream_t * substream)
1136 {
1137         cs46xx_t *chip = snd_pcm_substream_chip(substream);
1138         snd_pcm_runtime_t *runtime = substream->runtime;
1139
1140         snd_cs46xx_poke(chip, BA1_CBA, chip->capt.hw_buf.addr);
1141         chip->capt.shift = 2;
1142         memset(&chip->capt.pcm_rec, 0, sizeof(chip->capt.pcm_rec));
1143         chip->capt.pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream);
1144         chip->capt.pcm_rec.hw_buffer_size = runtime->period_size * CS46XX_FRAGS << 2;
1145         snd_cs46xx_set_capture_sample_rate(chip, runtime->rate);
1146
1147         return 0;
1148 }
1149
1150 static irqreturn_t snd_cs46xx_interrupt(int irq, void *dev_id, struct pt_regs *regs)
1151 {
1152         cs46xx_t *chip = dev_id;
1153         u32 status1;
1154 #ifdef CONFIG_SND_CS46XX_NEW_DSP
1155         dsp_spos_instance_t * ins = chip->dsp_spos_instance;
1156         u32 status2;
1157         int i;
1158         cs46xx_pcm_t *cpcm = NULL;
1159 #endif
1160
1161         /*
1162          *  Read the Interrupt Status Register to clear the interrupt
1163          */
1164         status1 = snd_cs46xx_peekBA0(chip, BA0_HISR);
1165         if ((status1 & 0x7fffffff) == 0) {
1166                 snd_cs46xx_pokeBA0(chip, BA0_HICR, HICR_CHGM | HICR_IEV);
1167                 return IRQ_NONE;
1168         }
1169
1170 #ifdef CONFIG_SND_CS46XX_NEW_DSP
1171         status2 = snd_cs46xx_peekBA0(chip, BA0_HSR0);
1172
1173         for (i = 0; i < DSP_MAX_PCM_CHANNELS; ++i) {
1174                 if (i <= 15) {
1175                         if ( status1 & (1 << i) ) {
1176                                 if (i == CS46XX_DSP_CAPTURE_CHANNEL) {
1177                                         if (chip->capt.substream)
1178                                                 snd_pcm_period_elapsed(chip->capt.substream);
1179                                 } else {
1180                                         if (ins->pcm_channels[i].active &&
1181                                             ins->pcm_channels[i].private_data &&
1182                                             !ins->pcm_channels[i].unlinked) {
1183                                                 cpcm = ins->pcm_channels[i].private_data;
1184                                                 snd_pcm_period_elapsed(cpcm->substream);
1185                                         }
1186                                 }
1187                         }
1188                 } else {
1189                         if ( status2 & (1 << (i - 16))) {
1190                                 if (ins->pcm_channels[i].active && 
1191                                     ins->pcm_channels[i].private_data &&
1192                                     !ins->pcm_channels[i].unlinked) {
1193                                         cpcm = ins->pcm_channels[i].private_data;
1194                                         snd_pcm_period_elapsed(cpcm->substream);
1195                                 }
1196                         }
1197                 }
1198         }
1199
1200 #else
1201         /* old dsp */
1202         if ((status1 & HISR_VC0) && chip->playback_pcm) {
1203                 if (chip->playback_pcm->substream)
1204                         snd_pcm_period_elapsed(chip->playback_pcm->substream);
1205         }
1206         if ((status1 & HISR_VC1) && chip->pcm) {
1207                 if (chip->capt.substream)
1208                         snd_pcm_period_elapsed(chip->capt.substream);
1209         }
1210 #endif
1211
1212         if ((status1 & HISR_MIDI) && chip->rmidi) {
1213                 unsigned char c;
1214                 
1215                 spin_lock(&chip->reg_lock);
1216                 while ((snd_cs46xx_peekBA0(chip, BA0_MIDSR) & MIDSR_RBE) == 0) {
1217                         c = snd_cs46xx_peekBA0(chip, BA0_MIDRP);
1218                         if ((chip->midcr & MIDCR_RIE) == 0)
1219                                 continue;
1220                         snd_rawmidi_receive(chip->midi_input, &c, 1);
1221                 }
1222                 while ((snd_cs46xx_peekBA0(chip, BA0_MIDSR) & MIDSR_TBF) == 0) {
1223                         if ((chip->midcr & MIDCR_TIE) == 0)
1224                                 break;
1225                         if (snd_rawmidi_transmit(chip->midi_output, &c, 1) != 1) {
1226                                 chip->midcr &= ~MIDCR_TIE;
1227                                 snd_cs46xx_pokeBA0(chip, BA0_MIDCR, chip->midcr);
1228                                 break;
1229                         }
1230                         snd_cs46xx_pokeBA0(chip, BA0_MIDWP, c);
1231                 }
1232                 spin_unlock(&chip->reg_lock);
1233         }
1234         /*
1235          *  EOI to the PCI part....reenables interrupts
1236          */
1237         snd_cs46xx_pokeBA0(chip, BA0_HICR, HICR_CHGM | HICR_IEV);
1238
1239         return IRQ_HANDLED;
1240 }
1241
1242 static snd_pcm_hardware_t snd_cs46xx_playback =
1243 {
1244         .info =                 (SNDRV_PCM_INFO_MMAP |
1245                                  SNDRV_PCM_INFO_INTERLEAVED | 
1246                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1247                                  SNDRV_PCM_INFO_RESUME),
1248         .formats =              (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U8 |
1249                                  SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE |
1250                                  SNDRV_PCM_FMTBIT_U16_LE | SNDRV_PCM_FMTBIT_U16_BE),
1251         .rates =                SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1252         .rate_min =             5500,
1253         .rate_max =             48000,
1254         .channels_min =         1,
1255         .channels_max =         2,
1256         .buffer_bytes_max =     (256 * 1024),
1257         .period_bytes_min =     CS46XX_MIN_PERIOD_SIZE,
1258         .period_bytes_max =     CS46XX_MAX_PERIOD_SIZE,
1259         .periods_min =          CS46XX_FRAGS,
1260         .periods_max =          1024,
1261         .fifo_size =            0,
1262 };
1263
1264 static snd_pcm_hardware_t snd_cs46xx_capture =
1265 {
1266         .info =                 (SNDRV_PCM_INFO_MMAP |
1267                                  SNDRV_PCM_INFO_INTERLEAVED |
1268                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1269                                  SNDRV_PCM_INFO_RESUME),
1270         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
1271         .rates =                SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1272         .rate_min =             5500,
1273         .rate_max =             48000,
1274         .channels_min =         2,
1275         .channels_max =         2,
1276         .buffer_bytes_max =     (256 * 1024),
1277         .period_bytes_min =     CS46XX_MIN_PERIOD_SIZE,
1278         .period_bytes_max =     CS46XX_MAX_PERIOD_SIZE,
1279         .periods_min =          CS46XX_FRAGS,
1280         .periods_max =          1024,
1281         .fifo_size =            0,
1282 };
1283
1284 #ifdef CONFIG_SND_CS46XX_NEW_DSP
1285
1286 static unsigned int period_sizes[] = { 32, 64, 128, 256, 512, 1024, 2048 };
1287
1288 static snd_pcm_hw_constraint_list_t hw_constraints_period_sizes = {
1289         .count = ARRAY_SIZE(period_sizes),
1290         .list = period_sizes,
1291         .mask = 0
1292 };
1293
1294 #endif
1295
1296 static void snd_cs46xx_pcm_free_substream(snd_pcm_runtime_t *runtime)
1297 {
1298         kfree(runtime->private_data);
1299 }
1300
1301 static int _cs46xx_playback_open_channel (snd_pcm_substream_t * substream,int pcm_channel_id)
1302 {
1303         cs46xx_t *chip = snd_pcm_substream_chip(substream);
1304         cs46xx_pcm_t * cpcm;
1305         snd_pcm_runtime_t *runtime = substream->runtime;
1306
1307         cpcm = kcalloc(1, sizeof(*cpcm), GFP_KERNEL);
1308         if (cpcm == NULL)
1309                 return -ENOMEM;
1310         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci),
1311                                 PAGE_SIZE, &cpcm->hw_buf) < 0) {
1312                 kfree(cpcm);
1313                 return -ENOMEM;
1314         }
1315
1316         runtime->hw = snd_cs46xx_playback;
1317         runtime->private_data = cpcm;
1318         runtime->private_free = snd_cs46xx_pcm_free_substream;
1319
1320         cpcm->substream = substream;
1321 #ifdef CONFIG_SND_CS46XX_NEW_DSP
1322         down (&chip->spos_mutex);
1323         cpcm->pcm_channel = NULL; 
1324         cpcm->pcm_channel_id = pcm_channel_id;
1325
1326
1327         snd_pcm_hw_constraint_list(runtime, 0,
1328                                    SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 
1329                                    &hw_constraints_period_sizes);
1330
1331         up (&chip->spos_mutex);
1332 #else
1333         chip->playback_pcm = cpcm; /* HACK */
1334 #endif
1335
1336         if (chip->accept_valid)
1337                 substream->runtime->hw.info |= SNDRV_PCM_INFO_MMAP_VALID;
1338         chip->active_ctrl(chip, 1);
1339
1340         return 0;
1341 }
1342
1343 static int snd_cs46xx_playback_open(snd_pcm_substream_t * substream)
1344 {
1345         snd_printdd("open front channel\n");
1346         return _cs46xx_playback_open_channel(substream,DSP_PCM_MAIN_CHANNEL);
1347 }
1348
1349 #ifdef CONFIG_SND_CS46XX_NEW_DSP
1350 static int snd_cs46xx_playback_open_rear(snd_pcm_substream_t * substream)
1351 {
1352         snd_printdd("open rear channel\n");
1353
1354         return _cs46xx_playback_open_channel(substream,DSP_PCM_REAR_CHANNEL);
1355 }
1356
1357 static int snd_cs46xx_playback_open_clfe(snd_pcm_substream_t * substream)
1358 {
1359         snd_printdd("open center - LFE channel\n");
1360
1361         return _cs46xx_playback_open_channel(substream,DSP_PCM_CENTER_LFE_CHANNEL);
1362 }
1363
1364 static int snd_cs46xx_playback_open_iec958(snd_pcm_substream_t * substream)
1365 {
1366         cs46xx_t *chip = snd_pcm_substream_chip(substream);
1367
1368         snd_printdd("open raw iec958 channel\n");
1369
1370         down (&chip->spos_mutex);
1371         cs46xx_iec958_pre_open (chip);
1372         up (&chip->spos_mutex);
1373
1374         return _cs46xx_playback_open_channel(substream,DSP_IEC958_CHANNEL);
1375 }
1376
1377 static int snd_cs46xx_playback_close(snd_pcm_substream_t * substream);
1378
1379 static int snd_cs46xx_playback_close_iec958(snd_pcm_substream_t * substream)
1380 {
1381         int err;
1382         cs46xx_t *chip = snd_pcm_substream_chip(substream);
1383   
1384         snd_printdd("close raw iec958 channel\n");
1385
1386         err = snd_cs46xx_playback_close(substream);
1387
1388         down (&chip->spos_mutex);
1389         cs46xx_iec958_post_close (chip);
1390         up (&chip->spos_mutex);
1391
1392         return err;
1393 }
1394 #endif
1395
1396 static int snd_cs46xx_capture_open(snd_pcm_substream_t * substream)
1397 {
1398         cs46xx_t *chip = snd_pcm_substream_chip(substream);
1399
1400         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci),
1401                                 PAGE_SIZE, &chip->capt.hw_buf) < 0)
1402                 return -ENOMEM;
1403         chip->capt.substream = substream;
1404         substream->runtime->hw = snd_cs46xx_capture;
1405
1406         if (chip->accept_valid)
1407                 substream->runtime->hw.info |= SNDRV_PCM_INFO_MMAP_VALID;
1408
1409         chip->active_ctrl(chip, 1);
1410
1411 #ifdef CONFIG_SND_CS46XX_NEW_DSP
1412         snd_pcm_hw_constraint_list(substream->runtime, 0,
1413                                    SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 
1414                                    &hw_constraints_period_sizes);
1415 #endif
1416         return 0;
1417 }
1418
1419 static int snd_cs46xx_playback_close(snd_pcm_substream_t * substream)
1420 {
1421         cs46xx_t *chip = snd_pcm_substream_chip(substream);
1422         snd_pcm_runtime_t *runtime = substream->runtime;
1423         cs46xx_pcm_t * cpcm;
1424
1425         cpcm = runtime->private_data;
1426
1427         /* when playback_open fails, then cpcm can be NULL */
1428         if (!cpcm) return -ENXIO;
1429
1430 #ifdef CONFIG_SND_CS46XX_NEW_DSP
1431         down (&chip->spos_mutex);
1432         if (cpcm->pcm_channel) {
1433                 cs46xx_dsp_destroy_pcm_channel(chip,cpcm->pcm_channel);
1434                 cpcm->pcm_channel = NULL;
1435         }
1436         up (&chip->spos_mutex);
1437 #else
1438         chip->playback_pcm = NULL;
1439 #endif
1440
1441         cpcm->substream = NULL;
1442         snd_dma_free_pages(&cpcm->hw_buf);
1443         chip->active_ctrl(chip, -1);
1444
1445         return 0;
1446 }
1447
1448 static int snd_cs46xx_capture_close(snd_pcm_substream_t * substream)
1449 {
1450         cs46xx_t *chip = snd_pcm_substream_chip(substream);
1451
1452         chip->capt.substream = NULL;
1453         snd_dma_free_pages(&chip->capt.hw_buf);
1454         chip->active_ctrl(chip, -1);
1455
1456         return 0;
1457 }
1458
1459 #ifdef CONFIG_SND_CS46XX_NEW_DSP
1460 static snd_pcm_ops_t snd_cs46xx_playback_rear_ops = {
1461         .open =                 snd_cs46xx_playback_open_rear,
1462         .close =                snd_cs46xx_playback_close,
1463         .ioctl =                snd_pcm_lib_ioctl,
1464         .hw_params =            snd_cs46xx_playback_hw_params,
1465         .hw_free =              snd_cs46xx_playback_hw_free,
1466         .prepare =              snd_cs46xx_playback_prepare,
1467         .trigger =              snd_cs46xx_playback_trigger,
1468         .pointer =              snd_cs46xx_playback_direct_pointer,
1469 };
1470
1471 static snd_pcm_ops_t snd_cs46xx_playback_indirect_rear_ops = {
1472         .open =                 snd_cs46xx_playback_open_rear,
1473         .close =                snd_cs46xx_playback_close,
1474         .ioctl =                snd_pcm_lib_ioctl,
1475         .hw_params =            snd_cs46xx_playback_hw_params,
1476         .hw_free =              snd_cs46xx_playback_hw_free,
1477         .prepare =              snd_cs46xx_playback_prepare,
1478         .trigger =              snd_cs46xx_playback_trigger,
1479         .pointer =              snd_cs46xx_playback_indirect_pointer,
1480         .ack =                  snd_cs46xx_playback_transfer,
1481 };
1482
1483 static snd_pcm_ops_t snd_cs46xx_playback_clfe_ops = {
1484         .open =                 snd_cs46xx_playback_open_clfe,
1485         .close =                snd_cs46xx_playback_close,
1486         .ioctl =                snd_pcm_lib_ioctl,
1487         .hw_params =            snd_cs46xx_playback_hw_params,
1488         .hw_free =              snd_cs46xx_playback_hw_free,
1489         .prepare =              snd_cs46xx_playback_prepare,
1490         .trigger =              snd_cs46xx_playback_trigger,
1491         .pointer =              snd_cs46xx_playback_direct_pointer,
1492 };
1493
1494 static snd_pcm_ops_t snd_cs46xx_playback_indirect_clfe_ops = {
1495         .open =                 snd_cs46xx_playback_open_clfe,
1496         .close =                snd_cs46xx_playback_close,
1497         .ioctl =                snd_pcm_lib_ioctl,
1498         .hw_params =            snd_cs46xx_playback_hw_params,
1499         .hw_free =              snd_cs46xx_playback_hw_free,
1500         .prepare =              snd_cs46xx_playback_prepare,
1501         .trigger =              snd_cs46xx_playback_trigger,
1502         .pointer =              snd_cs46xx_playback_indirect_pointer,
1503         .ack =                  snd_cs46xx_playback_transfer,
1504 };
1505
1506 static snd_pcm_ops_t snd_cs46xx_playback_iec958_ops = {
1507         .open =                 snd_cs46xx_playback_open_iec958,
1508         .close =                snd_cs46xx_playback_close_iec958,
1509         .ioctl =                snd_pcm_lib_ioctl,
1510         .hw_params =            snd_cs46xx_playback_hw_params,
1511         .hw_free =              snd_cs46xx_playback_hw_free,
1512         .prepare =              snd_cs46xx_playback_prepare,
1513         .trigger =              snd_cs46xx_playback_trigger,
1514         .pointer =              snd_cs46xx_playback_direct_pointer,
1515 };
1516
1517 static snd_pcm_ops_t snd_cs46xx_playback_indirect_iec958_ops = {
1518         .open =                 snd_cs46xx_playback_open_iec958,
1519         .close =                snd_cs46xx_playback_close_iec958,
1520         .ioctl =                snd_pcm_lib_ioctl,
1521         .hw_params =            snd_cs46xx_playback_hw_params,
1522         .hw_free =              snd_cs46xx_playback_hw_free,
1523         .prepare =              snd_cs46xx_playback_prepare,
1524         .trigger =              snd_cs46xx_playback_trigger,
1525         .pointer =              snd_cs46xx_playback_indirect_pointer,
1526         .ack =                  snd_cs46xx_playback_transfer,
1527 };
1528
1529 #endif
1530
1531 static snd_pcm_ops_t snd_cs46xx_playback_ops = {
1532         .open =                 snd_cs46xx_playback_open,
1533         .close =                snd_cs46xx_playback_close,
1534         .ioctl =                snd_pcm_lib_ioctl,
1535         .hw_params =            snd_cs46xx_playback_hw_params,
1536         .hw_free =              snd_cs46xx_playback_hw_free,
1537         .prepare =              snd_cs46xx_playback_prepare,
1538         .trigger =              snd_cs46xx_playback_trigger,
1539         .pointer =              snd_cs46xx_playback_direct_pointer,
1540 };
1541
1542 static snd_pcm_ops_t snd_cs46xx_playback_indirect_ops = {
1543         .open =                 snd_cs46xx_playback_open,
1544         .close =                snd_cs46xx_playback_close,
1545         .ioctl =                snd_pcm_lib_ioctl,
1546         .hw_params =            snd_cs46xx_playback_hw_params,
1547         .hw_free =              snd_cs46xx_playback_hw_free,
1548         .prepare =              snd_cs46xx_playback_prepare,
1549         .trigger =              snd_cs46xx_playback_trigger,
1550         .pointer =              snd_cs46xx_playback_indirect_pointer,
1551         .ack =                  snd_cs46xx_playback_transfer,
1552 };
1553
1554 static snd_pcm_ops_t snd_cs46xx_capture_ops = {
1555         .open =                 snd_cs46xx_capture_open,
1556         .close =                snd_cs46xx_capture_close,
1557         .ioctl =                snd_pcm_lib_ioctl,
1558         .hw_params =            snd_cs46xx_capture_hw_params,
1559         .hw_free =              snd_cs46xx_capture_hw_free,
1560         .prepare =              snd_cs46xx_capture_prepare,
1561         .trigger =              snd_cs46xx_capture_trigger,
1562         .pointer =              snd_cs46xx_capture_direct_pointer,
1563 };
1564
1565 static snd_pcm_ops_t snd_cs46xx_capture_indirect_ops = {
1566         .open =                 snd_cs46xx_capture_open,
1567         .close =                snd_cs46xx_capture_close,
1568         .ioctl =                snd_pcm_lib_ioctl,
1569         .hw_params =            snd_cs46xx_capture_hw_params,
1570         .hw_free =              snd_cs46xx_capture_hw_free,
1571         .prepare =              snd_cs46xx_capture_prepare,
1572         .trigger =              snd_cs46xx_capture_trigger,
1573         .pointer =              snd_cs46xx_capture_indirect_pointer,
1574         .ack =                  snd_cs46xx_capture_transfer,
1575 };
1576
1577 static void snd_cs46xx_pcm_free(snd_pcm_t *pcm)
1578 {
1579         cs46xx_t *chip = pcm->private_data;
1580         chip->pcm = NULL;
1581         snd_pcm_lib_preallocate_free_for_all(pcm);
1582 }
1583
1584 #ifdef CONFIG_SND_CS46XX_NEW_DSP
1585 static void snd_cs46xx_pcm_rear_free(snd_pcm_t *pcm)
1586 {
1587         cs46xx_t *chip = pcm->private_data;
1588         chip->pcm_rear = NULL;
1589         snd_pcm_lib_preallocate_free_for_all(pcm);
1590 }
1591
1592 static void snd_cs46xx_pcm_center_lfe_free(snd_pcm_t *pcm)
1593 {
1594         cs46xx_t *chip = pcm->private_data;
1595         chip->pcm_center_lfe = NULL;
1596         snd_pcm_lib_preallocate_free_for_all(pcm);
1597 }
1598
1599 static void snd_cs46xx_pcm_iec958_free(snd_pcm_t *pcm)
1600 {
1601         cs46xx_t *chip = pcm->private_data;
1602         chip->pcm_iec958 = NULL;
1603         snd_pcm_lib_preallocate_free_for_all(pcm);
1604 }
1605
1606 #define MAX_PLAYBACK_CHANNELS   (DSP_MAX_PCM_CHANNELS - 1)
1607 #else
1608 #define MAX_PLAYBACK_CHANNELS   1
1609 #endif
1610
1611 int __devinit snd_cs46xx_pcm(cs46xx_t *chip, int device, snd_pcm_t ** rpcm)
1612 {
1613         snd_pcm_t *pcm;
1614         int err;
1615
1616         if (rpcm)
1617                 *rpcm = NULL;
1618         if ((err = snd_pcm_new(chip->card, "CS46xx", device, MAX_PLAYBACK_CHANNELS, 1, &pcm)) < 0)
1619                 return err;
1620
1621         pcm->private_data = chip;
1622         pcm->private_free = snd_cs46xx_pcm_free;
1623
1624         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_cs46xx_playback_ops);
1625         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_cs46xx_capture_ops);
1626
1627         /* global setup */
1628         pcm->info_flags = 0;
1629         strcpy(pcm->name, "CS46xx");
1630         chip->pcm = pcm;
1631
1632         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1633                                               snd_dma_pci_data(chip->pci), 64*1024, 256*1024);
1634
1635         if (rpcm)
1636                 *rpcm = pcm;
1637
1638         return 0;
1639 }
1640
1641
1642 #ifdef CONFIG_SND_CS46XX_NEW_DSP
1643 int __devinit snd_cs46xx_pcm_rear(cs46xx_t *chip, int device, snd_pcm_t ** rpcm)
1644 {
1645         snd_pcm_t *pcm;
1646         int err;
1647
1648         if (rpcm)
1649                 *rpcm = NULL;
1650
1651         if ((err = snd_pcm_new(chip->card, "CS46xx - Rear", device, MAX_PLAYBACK_CHANNELS, 0, &pcm)) < 0)
1652                 return err;
1653
1654         pcm->private_data = chip;
1655         pcm->private_free = snd_cs46xx_pcm_rear_free;
1656
1657         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_cs46xx_playback_rear_ops);
1658
1659         /* global setup */
1660         pcm->info_flags = 0;
1661         strcpy(pcm->name, "CS46xx - Rear");
1662         chip->pcm_rear = pcm;
1663
1664         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1665                                               snd_dma_pci_data(chip->pci), 64*1024, 256*1024);
1666
1667         if (rpcm)
1668                 *rpcm = pcm;
1669
1670         return 0;
1671 }
1672
1673 int __devinit snd_cs46xx_pcm_center_lfe(cs46xx_t *chip, int device, snd_pcm_t ** rpcm)
1674 {
1675         snd_pcm_t *pcm;
1676         int err;
1677
1678         if (rpcm)
1679                 *rpcm = NULL;
1680
1681         if ((err = snd_pcm_new(chip->card, "CS46xx - Center LFE", device, MAX_PLAYBACK_CHANNELS, 0, &pcm)) < 0)
1682                 return err;
1683
1684         pcm->private_data = chip;
1685         pcm->private_free = snd_cs46xx_pcm_center_lfe_free;
1686
1687         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_cs46xx_playback_clfe_ops);
1688
1689         /* global setup */
1690         pcm->info_flags = 0;
1691         strcpy(pcm->name, "CS46xx - Center LFE");
1692         chip->pcm_center_lfe = pcm;
1693
1694         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1695                                               snd_dma_pci_data(chip->pci), 64*1024, 256*1024);
1696
1697         if (rpcm)
1698                 *rpcm = pcm;
1699
1700         return 0;
1701 }
1702
1703 int __devinit snd_cs46xx_pcm_iec958(cs46xx_t *chip, int device, snd_pcm_t ** rpcm)
1704 {
1705         snd_pcm_t *pcm;
1706         int err;
1707
1708         if (rpcm)
1709                 *rpcm = NULL;
1710
1711         if ((err = snd_pcm_new(chip->card, "CS46xx - IEC958", device, 1, 0, &pcm)) < 0)
1712                 return err;
1713
1714         pcm->private_data = chip;
1715         pcm->private_free = snd_cs46xx_pcm_iec958_free;
1716
1717         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_cs46xx_playback_iec958_ops);
1718
1719         /* global setup */
1720         pcm->info_flags = 0;
1721         strcpy(pcm->name, "CS46xx - IEC958");
1722         chip->pcm_rear = pcm;
1723
1724         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1725                                               snd_dma_pci_data(chip->pci), 64*1024, 256*1024);
1726
1727         if (rpcm)
1728                 *rpcm = pcm;
1729
1730         return 0;
1731 }
1732 #endif
1733
1734 /*
1735  *  Mixer routines
1736  */
1737 static void snd_cs46xx_mixer_free_ac97_bus(ac97_bus_t *bus)
1738 {
1739         cs46xx_t *chip = bus->private_data;
1740
1741         chip->ac97_bus = NULL;
1742 }
1743
1744 static void snd_cs46xx_mixer_free_ac97(ac97_t *ac97)
1745 {
1746         cs46xx_t *chip = ac97->private_data;
1747
1748         snd_assert ((ac97 == chip->ac97[CS46XX_PRIMARY_CODEC_INDEX]) ||
1749                     (ac97 == chip->ac97[CS46XX_SECONDARY_CODEC_INDEX]),
1750                     return);
1751
1752         if (ac97 == chip->ac97[CS46XX_PRIMARY_CODEC_INDEX]) {
1753                 chip->ac97[CS46XX_PRIMARY_CODEC_INDEX] = NULL;
1754                 chip->eapd_switch = NULL;
1755         }
1756         else
1757                 chip->ac97[CS46XX_SECONDARY_CODEC_INDEX] = NULL;
1758 }
1759
1760 static int snd_cs46xx_vol_info(snd_kcontrol_t *kcontrol, 
1761                                snd_ctl_elem_info_t *uinfo)
1762 {
1763         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1764         uinfo->count = 2;
1765         uinfo->value.integer.min = 0;
1766         uinfo->value.integer.max = 0x7fff;
1767         return 0;
1768 }
1769
1770 static int snd_cs46xx_vol_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1771 {
1772         cs46xx_t *chip = snd_kcontrol_chip(kcontrol);
1773         int reg = kcontrol->private_value;
1774         unsigned int val = snd_cs46xx_peek(chip, reg);
1775         ucontrol->value.integer.value[0] = 0xffff - (val >> 16);
1776         ucontrol->value.integer.value[1] = 0xffff - (val & 0xffff);
1777         return 0;
1778 }
1779
1780 static int snd_cs46xx_vol_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1781 {
1782         cs46xx_t *chip = snd_kcontrol_chip(kcontrol);
1783         int reg = kcontrol->private_value;
1784         unsigned int val = ((0xffff - ucontrol->value.integer.value[0]) << 16 | 
1785                             (0xffff - ucontrol->value.integer.value[1]));
1786         unsigned int old = snd_cs46xx_peek(chip, reg);
1787         int change = (old != val);
1788
1789         if (change) {
1790                 snd_cs46xx_poke(chip, reg, val);
1791         }
1792
1793         return change;
1794 }
1795
1796 #ifdef CONFIG_SND_CS46XX_NEW_DSP
1797
1798 static int snd_cs46xx_vol_dac_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1799 {
1800         cs46xx_t *chip = snd_kcontrol_chip(kcontrol);
1801
1802         ucontrol->value.integer.value[0] = chip->dsp_spos_instance->dac_volume_left;
1803         ucontrol->value.integer.value[1] = chip->dsp_spos_instance->dac_volume_right;
1804
1805         return 0;
1806 }
1807
1808 static int snd_cs46xx_vol_dac_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1809 {
1810         cs46xx_t *chip = snd_kcontrol_chip(kcontrol);
1811         int change = 0;
1812
1813         if (chip->dsp_spos_instance->dac_volume_right != ucontrol->value.integer.value[0] ||
1814             chip->dsp_spos_instance->dac_volume_left != ucontrol->value.integer.value[1]) {
1815                 cs46xx_dsp_set_dac_volume(chip,
1816                                           ucontrol->value.integer.value[0],
1817                                           ucontrol->value.integer.value[1]);
1818                 change = 1;
1819         }
1820
1821         return change;
1822 }
1823
1824 #if 0
1825 static int snd_cs46xx_vol_iec958_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1826 {
1827         cs46xx_t *chip = snd_kcontrol_chip(kcontrol);
1828
1829         ucontrol->value.integer.value[0] = chip->dsp_spos_instance->spdif_input_volume_left;
1830         ucontrol->value.integer.value[1] = chip->dsp_spos_instance->spdif_input_volume_right;
1831         return 0;
1832 }
1833
1834 static int snd_cs46xx_vol_iec958_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1835 {
1836         cs46xx_t *chip = snd_kcontrol_chip(kcontrol);
1837         int change = 0;
1838
1839         if (chip->dsp_spos_instance->spdif_input_volume_left  != ucontrol->value.integer.value[0] ||
1840             chip->dsp_spos_instance->spdif_input_volume_right!= ucontrol->value.integer.value[1]) {
1841                 cs46xx_dsp_set_iec958_volume (chip,
1842                                               ucontrol->value.integer.value[0],
1843                                               ucontrol->value.integer.value[1]);
1844                 change = 1;
1845         }
1846
1847         return change;
1848 }
1849 #endif
1850
1851 static int snd_mixer_boolean_info(snd_kcontrol_t *kcontrol, 
1852                                   snd_ctl_elem_info_t *uinfo)
1853 {
1854         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1855         uinfo->count = 1;
1856         uinfo->value.integer.min = 0;
1857         uinfo->value.integer.max = 1;
1858         return 0;
1859 }
1860
1861 static int snd_cs46xx_iec958_get(snd_kcontrol_t *kcontrol, 
1862                                  snd_ctl_elem_value_t *ucontrol)
1863 {
1864         cs46xx_t *chip = snd_kcontrol_chip(kcontrol);
1865         int reg = kcontrol->private_value;
1866
1867         if (reg == CS46XX_MIXER_SPDIF_OUTPUT_ELEMENT)
1868                 ucontrol->value.integer.value[0] = (chip->dsp_spos_instance->spdif_status_out & DSP_SPDIF_STATUS_OUTPUT_ENABLED);
1869         else
1870                 ucontrol->value.integer.value[0] = chip->dsp_spos_instance->spdif_status_in;
1871
1872         return 0;
1873 }
1874
1875 static int snd_cs46xx_iec958_put(snd_kcontrol_t *kcontrol, 
1876                                   snd_ctl_elem_value_t *ucontrol)
1877 {
1878         cs46xx_t *chip = snd_kcontrol_chip(kcontrol);
1879         int change, res;
1880
1881         switch (kcontrol->private_value) {
1882         case CS46XX_MIXER_SPDIF_OUTPUT_ELEMENT:
1883                 down (&chip->spos_mutex);
1884                 change = (chip->dsp_spos_instance->spdif_status_out & DSP_SPDIF_STATUS_OUTPUT_ENABLED);
1885                 if (ucontrol->value.integer.value[0] && !change) 
1886                         cs46xx_dsp_enable_spdif_out(chip);
1887                 else if (change && !ucontrol->value.integer.value[0])
1888                         cs46xx_dsp_disable_spdif_out(chip);
1889
1890                 res = (change != (chip->dsp_spos_instance->spdif_status_out & DSP_SPDIF_STATUS_OUTPUT_ENABLED));
1891                 up (&chip->spos_mutex);
1892                 break;
1893         case CS46XX_MIXER_SPDIF_INPUT_ELEMENT:
1894                 change = chip->dsp_spos_instance->spdif_status_in;
1895                 if (ucontrol->value.integer.value[0] && !change) {
1896                         cs46xx_dsp_enable_spdif_in(chip);
1897                         /* restore volume */
1898                 }
1899                 else if (change && !ucontrol->value.integer.value[0])
1900                         cs46xx_dsp_disable_spdif_in(chip);
1901                 
1902                 res = (change != chip->dsp_spos_instance->spdif_status_in);
1903                 break;
1904         default:
1905                 res = -EINVAL;
1906                 snd_assert(0, (void)0);
1907         }
1908
1909         return res;
1910 }
1911
1912 static int snd_cs46xx_adc_capture_get(snd_kcontrol_t *kcontrol, 
1913                                       snd_ctl_elem_value_t *ucontrol)
1914 {
1915         cs46xx_t *chip = snd_kcontrol_chip(kcontrol);
1916         dsp_spos_instance_t * ins = chip->dsp_spos_instance;
1917
1918         if (ins->adc_input != NULL) 
1919                 ucontrol->value.integer.value[0] = 1;
1920         else 
1921                 ucontrol->value.integer.value[0] = 0;
1922         
1923         return 0;
1924 }
1925
1926 static int snd_cs46xx_adc_capture_put(snd_kcontrol_t *kcontrol, 
1927                                       snd_ctl_elem_value_t *ucontrol)
1928 {
1929         cs46xx_t *chip = snd_kcontrol_chip(kcontrol);
1930         dsp_spos_instance_t * ins = chip->dsp_spos_instance;
1931         int change = 0;
1932
1933         if (ucontrol->value.integer.value[0] && !ins->adc_input) {
1934                 cs46xx_dsp_enable_adc_capture(chip);
1935                 change = 1;
1936         } else  if (!ucontrol->value.integer.value[0] && ins->adc_input) {
1937                 cs46xx_dsp_disable_adc_capture(chip);
1938                 change = 1;
1939         }
1940         return change;
1941 }
1942
1943 static int snd_cs46xx_pcm_capture_get(snd_kcontrol_t *kcontrol, 
1944                                       snd_ctl_elem_value_t *ucontrol)
1945 {
1946         cs46xx_t *chip = snd_kcontrol_chip(kcontrol);
1947         dsp_spos_instance_t * ins = chip->dsp_spos_instance;
1948
1949         if (ins->pcm_input != NULL) 
1950                 ucontrol->value.integer.value[0] = 1;
1951         else 
1952                 ucontrol->value.integer.value[0] = 0;
1953
1954         return 0;
1955 }
1956
1957
1958 static int snd_cs46xx_pcm_capture_put(snd_kcontrol_t *kcontrol, 
1959                                       snd_ctl_elem_value_t *ucontrol)
1960 {
1961         cs46xx_t *chip = snd_kcontrol_chip(kcontrol);
1962         dsp_spos_instance_t * ins = chip->dsp_spos_instance;
1963         int change = 0;
1964
1965         if (ucontrol->value.integer.value[0] && !ins->pcm_input) {
1966                 cs46xx_dsp_enable_pcm_capture(chip);
1967                 change = 1;
1968         } else  if (!ucontrol->value.integer.value[0] && ins->pcm_input) {
1969                 cs46xx_dsp_disable_pcm_capture(chip);
1970                 change = 1;
1971         }
1972
1973         return change;
1974 }
1975
1976 static int snd_herc_spdif_select_get(snd_kcontrol_t *kcontrol, 
1977                                      snd_ctl_elem_value_t *ucontrol)
1978 {
1979         cs46xx_t *chip = snd_kcontrol_chip(kcontrol);
1980
1981         int val1 = snd_cs46xx_peekBA0(chip, BA0_EGPIODR);
1982
1983         if (val1 & EGPIODR_GPOE0)
1984                 ucontrol->value.integer.value[0] = 1;
1985         else
1986                 ucontrol->value.integer.value[0] = 0;
1987
1988         return 0;
1989 }
1990
1991 /*
1992  *      Game Theatre XP card - EGPIO[0] is used to select SPDIF input optical or coaxial.
1993  */ 
1994 static int snd_herc_spdif_select_put(snd_kcontrol_t *kcontrol, 
1995                                        snd_ctl_elem_value_t *ucontrol)
1996 {
1997         cs46xx_t *chip = snd_kcontrol_chip(kcontrol);
1998         int val1 = snd_cs46xx_peekBA0(chip, BA0_EGPIODR);
1999         int val2 = snd_cs46xx_peekBA0(chip, BA0_EGPIOPTR);
2000
2001         if (ucontrol->value.integer.value[0]) {
2002                 /* optical is default */
2003                 snd_cs46xx_pokeBA0(chip, BA0_EGPIODR, 
2004                                    EGPIODR_GPOE0 | val1);  /* enable EGPIO0 output */
2005                 snd_cs46xx_pokeBA0(chip, BA0_EGPIOPTR, 
2006                                    EGPIOPTR_GPPT0 | val2); /* open-drain on output */
2007         } else {
2008                 /* coaxial */
2009                 snd_cs46xx_pokeBA0(chip, BA0_EGPIODR,  val1 & ~EGPIODR_GPOE0); /* disable */
2010                 snd_cs46xx_pokeBA0(chip, BA0_EGPIOPTR, val2 & ~EGPIOPTR_GPPT0); /* disable */
2011         }
2012
2013         /* checking diff from the EGPIO direction register 
2014            should be enough */
2015         return (val1 != (int)snd_cs46xx_peekBA0(chip, BA0_EGPIODR));
2016 }
2017
2018
2019 static int snd_cs46xx_spdif_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
2020 {
2021         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2022         uinfo->count = 1;
2023         return 0;
2024 }
2025
2026 static int snd_cs46xx_spdif_default_get(snd_kcontrol_t * kcontrol,
2027                                         snd_ctl_elem_value_t * ucontrol)
2028 {
2029         cs46xx_t *chip = snd_kcontrol_chip(kcontrol);
2030         dsp_spos_instance_t * ins = chip->dsp_spos_instance;
2031
2032         down (&chip->spos_mutex);
2033         ucontrol->value.iec958.status[0] = _wrap_all_bits((ins->spdif_csuv_default >> 24) & 0xff);
2034         ucontrol->value.iec958.status[1] = _wrap_all_bits((ins->spdif_csuv_default >> 16) & 0xff);
2035         ucontrol->value.iec958.status[2] = 0;
2036         ucontrol->value.iec958.status[3] = _wrap_all_bits((ins->spdif_csuv_default) & 0xff);
2037         up (&chip->spos_mutex);
2038
2039         return 0;
2040 }
2041
2042 static int snd_cs46xx_spdif_default_put(snd_kcontrol_t * kcontrol,
2043                                         snd_ctl_elem_value_t * ucontrol)
2044 {
2045         cs46xx_t * chip = snd_kcontrol_chip(kcontrol);
2046         dsp_spos_instance_t * ins = chip->dsp_spos_instance;
2047         unsigned int val;
2048         int change;
2049
2050         down (&chip->spos_mutex);
2051         val = ((unsigned int)_wrap_all_bits(ucontrol->value.iec958.status[0]) << 24) |
2052                 ((unsigned int)_wrap_all_bits(ucontrol->value.iec958.status[2]) << 16) |
2053                 ((unsigned int)_wrap_all_bits(ucontrol->value.iec958.status[3]))  |
2054                 /* left and right validity bit */
2055                 (1 << 13) | (1 << 12);
2056
2057
2058         change = (unsigned int)ins->spdif_csuv_default != val;
2059         ins->spdif_csuv_default = val;
2060
2061         if ( !(ins->spdif_status_out & DSP_SPDIF_STATUS_PLAYBACK_OPEN) )
2062                 cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV,val);
2063
2064         up (&chip->spos_mutex);
2065
2066         return change;
2067 }
2068
2069 static int snd_cs46xx_spdif_mask_get(snd_kcontrol_t * kcontrol,
2070                                      snd_ctl_elem_value_t * ucontrol)
2071 {
2072         ucontrol->value.iec958.status[0] = 0xff;
2073         ucontrol->value.iec958.status[1] = 0xff;
2074         ucontrol->value.iec958.status[2] = 0x00;
2075         ucontrol->value.iec958.status[3] = 0xff;
2076         return 0;
2077 }
2078
2079 static int snd_cs46xx_spdif_stream_get(snd_kcontrol_t * kcontrol,
2080                                          snd_ctl_elem_value_t * ucontrol)
2081 {
2082         cs46xx_t *chip = snd_kcontrol_chip(kcontrol);
2083         dsp_spos_instance_t * ins = chip->dsp_spos_instance;
2084
2085         down (&chip->spos_mutex);
2086         ucontrol->value.iec958.status[0] = _wrap_all_bits((ins->spdif_csuv_stream >> 24) & 0xff);
2087         ucontrol->value.iec958.status[1] = _wrap_all_bits((ins->spdif_csuv_stream >> 16) & 0xff);
2088         ucontrol->value.iec958.status[2] = 0;
2089         ucontrol->value.iec958.status[3] = _wrap_all_bits((ins->spdif_csuv_stream) & 0xff);
2090         up (&chip->spos_mutex);
2091
2092         return 0;
2093 }
2094
2095 static int snd_cs46xx_spdif_stream_put(snd_kcontrol_t * kcontrol,
2096                                         snd_ctl_elem_value_t * ucontrol)
2097 {
2098         cs46xx_t * chip = snd_kcontrol_chip(kcontrol);
2099         dsp_spos_instance_t * ins = chip->dsp_spos_instance;
2100         unsigned int val;
2101         int change;
2102
2103         down (&chip->spos_mutex);
2104         val = ((unsigned int)_wrap_all_bits(ucontrol->value.iec958.status[0]) << 24) |
2105                 ((unsigned int)_wrap_all_bits(ucontrol->value.iec958.status[1]) << 16) |
2106                 ((unsigned int)_wrap_all_bits(ucontrol->value.iec958.status[3])) |
2107                 /* left and right validity bit */
2108                 (1 << 13) | (1 << 12);
2109
2110
2111         change = ins->spdif_csuv_stream != val;
2112         ins->spdif_csuv_stream = val;
2113
2114         if ( ins->spdif_status_out & DSP_SPDIF_STATUS_PLAYBACK_OPEN )
2115                 cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV,val);
2116
2117         up (&chip->spos_mutex);
2118
2119         return change;
2120 }
2121
2122 #endif /* CONFIG_SND_CS46XX_NEW_DSP */
2123
2124
2125 #ifdef CONFIG_SND_CS46XX_DEBUG_GPIO
2126 static int snd_cs46xx_egpio_select_info(snd_kcontrol_t *kcontrol, 
2127                                         snd_ctl_elem_info_t *uinfo)
2128 {
2129         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2130         uinfo->count = 1;
2131         uinfo->value.integer.min = 0;
2132         uinfo->value.integer.max = 8;
2133         return 0;
2134 }
2135
2136 static int snd_cs46xx_egpio_select_get(snd_kcontrol_t *kcontrol, 
2137                                        snd_ctl_elem_value_t *ucontrol)
2138 {
2139         cs46xx_t *chip = snd_kcontrol_chip(kcontrol);
2140         ucontrol->value.integer.value[0] = chip->current_gpio;
2141
2142         return 0;
2143 }
2144
2145 static int snd_cs46xx_egpio_select_put(snd_kcontrol_t *kcontrol, 
2146                                        snd_ctl_elem_value_t *ucontrol)
2147 {
2148         cs46xx_t *chip = snd_kcontrol_chip(kcontrol);
2149         int change = (chip->current_gpio != ucontrol->value.integer.value[0]);
2150         chip->current_gpio = ucontrol->value.integer.value[0];
2151
2152         return change;
2153 }
2154
2155
2156 static int snd_cs46xx_egpio_get(snd_kcontrol_t *kcontrol, 
2157                                        snd_ctl_elem_value_t *ucontrol)
2158 {
2159         cs46xx_t *chip = snd_kcontrol_chip(kcontrol);
2160         int reg = kcontrol->private_value;
2161
2162         snd_printdd ("put: reg = %04x, gpio %02x\n",reg,chip->current_gpio);
2163         ucontrol->value.integer.value[0] = 
2164                 (snd_cs46xx_peekBA0(chip, reg) & (1 << chip->current_gpio)) ? 1 : 0;
2165   
2166         return 0;
2167 }
2168
2169 static int snd_cs46xx_egpio_put(snd_kcontrol_t *kcontrol, 
2170                                        snd_ctl_elem_value_t *ucontrol)
2171 {
2172         cs46xx_t *chip = snd_kcontrol_chip(kcontrol);
2173         int reg = kcontrol->private_value;
2174         int val = snd_cs46xx_peekBA0(chip, reg);
2175         int oldval = val;
2176         snd_printdd ("put: reg = %04x, gpio %02x\n",reg,chip->current_gpio);
2177
2178         if (ucontrol->value.integer.value[0])
2179                 val |= (1 << chip->current_gpio);
2180         else
2181                 val &= ~(1 << chip->current_gpio);
2182
2183         snd_cs46xx_pokeBA0(chip, reg,val);
2184         snd_printdd ("put: val %08x oldval %08x\n",val,oldval);
2185
2186         return (oldval != val);
2187 }
2188 #endif /* CONFIG_SND_CS46XX_DEBUG_GPIO */
2189
2190 static snd_kcontrol_new_t snd_cs46xx_controls[] __devinitdata = {
2191 {
2192         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2193         .name = "DAC Volume",
2194         .info = snd_cs46xx_vol_info,
2195 #ifndef CONFIG_SND_CS46XX_NEW_DSP
2196         .get = snd_cs46xx_vol_get,
2197         .put = snd_cs46xx_vol_put,
2198         .private_value = BA1_PVOL,
2199 #else
2200         .get = snd_cs46xx_vol_dac_get,
2201         .put = snd_cs46xx_vol_dac_put,
2202 #endif
2203 },
2204
2205 {
2206         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2207         .name = "ADC Volume",
2208         .info = snd_cs46xx_vol_info,
2209         .get = snd_cs46xx_vol_get,
2210         .put = snd_cs46xx_vol_put,
2211 #ifndef CONFIG_SND_CS46XX_NEW_DSP
2212         .private_value = BA1_CVOL,
2213 #else
2214         .private_value = (VARIDECIMATE_SCB_ADDR + 0xE) << 2,
2215 #endif
2216 },
2217 #ifdef CONFIG_SND_CS46XX_NEW_DSP
2218 {
2219         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2220         .name = "ADC Capture Switch",
2221         .info = snd_mixer_boolean_info,
2222         .get = snd_cs46xx_adc_capture_get,
2223         .put = snd_cs46xx_adc_capture_put
2224 },
2225 {
2226         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2227         .name = "DAC Capture Switch",
2228         .info = snd_mixer_boolean_info,
2229         .get = snd_cs46xx_pcm_capture_get,
2230         .put = snd_cs46xx_pcm_capture_put
2231 },
2232 {
2233         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2234         .name = "IEC958 Output Switch",
2235         .info = snd_mixer_boolean_info,
2236         .get = snd_cs46xx_iec958_get,
2237         .put = snd_cs46xx_iec958_put,
2238         .private_value = CS46XX_MIXER_SPDIF_OUTPUT_ELEMENT,
2239 },
2240 {
2241         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2242         .name = "IEC958 Input Switch",
2243         .info = snd_mixer_boolean_info,
2244         .get = snd_cs46xx_iec958_get,
2245         .put = snd_cs46xx_iec958_put,
2246         .private_value = CS46XX_MIXER_SPDIF_INPUT_ELEMENT,
2247 },
2248 #if 0
2249 /* Input IEC958 volume does not work for the moment. (Benny) */
2250 {
2251         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2252         .name = "IEC958 Input Volume",
2253         .info = snd_cs46xx_vol_info,
2254         .get = snd_cs46xx_vol_iec958_get,
2255         .put = snd_cs46xx_vol_iec958_put,
2256         .private_value = (ASYNCRX_SCB_ADDR + 0xE) << 2,
2257 },
2258 #endif
2259 {
2260         .iface = SNDRV_CTL_ELEM_IFACE_PCM,
2261         .name =  SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
2262         .info =  snd_cs46xx_spdif_info,
2263         .get =   snd_cs46xx_spdif_default_get,
2264         .put =   snd_cs46xx_spdif_default_put,
2265 },
2266 {
2267         .iface = SNDRV_CTL_ELEM_IFACE_PCM,
2268         .name =  SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK),
2269         .info =  snd_cs46xx_spdif_info,
2270         .get =   snd_cs46xx_spdif_mask_get,
2271         .access = SNDRV_CTL_ELEM_ACCESS_READ
2272 },
2273 {
2274         .iface = SNDRV_CTL_ELEM_IFACE_PCM,
2275         .name =  SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
2276         .info =  snd_cs46xx_spdif_info,
2277         .get =   snd_cs46xx_spdif_stream_get,
2278         .put =   snd_cs46xx_spdif_stream_put
2279 },
2280
2281 #endif
2282 #ifdef CONFIG_SND_CS46XX_DEBUG_GPIO
2283 {
2284         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2285         .name = "EGPIO select",
2286         .info = snd_cs46xx_egpio_select_info,
2287         .get = snd_cs46xx_egpio_select_get,
2288         .put = snd_cs46xx_egpio_select_put,
2289         .private_value = 0,
2290 },
2291 {
2292         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2293         .name = "EGPIO Input/Output",
2294         .info = snd_mixer_boolean_info,
2295         .get = snd_cs46xx_egpio_get,
2296         .put = snd_cs46xx_egpio_put,
2297         .private_value = BA0_EGPIODR,
2298 },
2299 {
2300         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2301         .name = "EGPIO CMOS/Open drain",
2302         .info = snd_mixer_boolean_info,
2303         .get = snd_cs46xx_egpio_get,
2304         .put = snd_cs46xx_egpio_put,
2305         .private_value = BA0_EGPIOPTR,
2306 },
2307 {
2308         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2309         .name = "EGPIO On/Off",
2310         .info = snd_mixer_boolean_info,
2311         .get = snd_cs46xx_egpio_get,
2312         .put = snd_cs46xx_egpio_put,
2313         .private_value = BA0_EGPIOSR,
2314 },
2315 #endif
2316 };
2317
2318 #ifdef CONFIG_SND_CS46XX_NEW_DSP
2319 /* set primary cs4294 codec into Extended Audio Mode */
2320 static int snd_cs46xx_front_dup_get(snd_kcontrol_t *kcontrol, 
2321                                     snd_ctl_elem_value_t *ucontrol)
2322 {
2323         cs46xx_t *chip = snd_kcontrol_chip(kcontrol);
2324         unsigned short val;
2325         val = snd_ac97_read(chip->ac97[CS46XX_PRIMARY_CODEC_INDEX], AC97_CSR_ACMODE);
2326         ucontrol->value.integer.value[0] = (val & 0x200) ? 0 : 1;
2327         return 0;
2328 }
2329
2330 static int snd_cs46xx_front_dup_put(snd_kcontrol_t *kcontrol, 
2331                                     snd_ctl_elem_value_t *ucontrol)
2332 {
2333         cs46xx_t *chip = snd_kcontrol_chip(kcontrol);
2334         return snd_ac97_update_bits(chip->ac97[CS46XX_PRIMARY_CODEC_INDEX],
2335                                     AC97_CSR_ACMODE, 0x200,
2336                                     ucontrol->value.integer.value[0] ? 0 : 0x200);
2337 }
2338
2339 static snd_kcontrol_new_t snd_cs46xx_front_dup_ctl = {
2340         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2341         .name = "Duplicate Front",
2342         .info = snd_mixer_boolean_info,
2343         .get = snd_cs46xx_front_dup_get,
2344         .put = snd_cs46xx_front_dup_put,
2345 };
2346 #endif
2347
2348 #ifdef CONFIG_SND_CS46XX_NEW_DSP
2349 /* Only available on the Hercules Game Theater XP soundcard */
2350 static snd_kcontrol_new_t snd_hercules_controls[] __devinitdata = {
2351 {
2352         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2353         .name = "Optical/Coaxial SPDIF Input Switch",
2354         .info = snd_mixer_boolean_info,
2355         .get = snd_herc_spdif_select_get,
2356         .put = snd_herc_spdif_select_put,
2357 },
2358 };
2359
2360
2361 static void snd_cs46xx_codec_reset (ac97_t * ac97)
2362 {
2363         unsigned long end_time;
2364         int err;
2365
2366         /* reset to defaults */
2367         snd_ac97_write(ac97, AC97_RESET, 0);    
2368
2369         /* set the desired CODEC mode */
2370         if (ac97->num == CS46XX_PRIMARY_CODEC_INDEX) {
2371                 snd_printdd("cs46xx: CODOEC1 mode %04x\n",0x0);
2372                 snd_cs46xx_ac97_write(ac97,AC97_CSR_ACMODE,0x0);
2373         } else if (ac97->num == CS46XX_SECONDARY_CODEC_INDEX) {
2374                 snd_printdd("cs46xx: CODOEC2 mode %04x\n",0x3);
2375                 snd_cs46xx_ac97_write(ac97,AC97_CSR_ACMODE,0x3);
2376         } else {
2377                 snd_assert(0); /* should never happen ... */
2378         }
2379
2380         udelay(50);
2381
2382         /* it's necessary to wait awhile until registers are accessible after RESET */
2383         /* because the PCM or MASTER volume registers can be modified, */
2384         /* the REC_GAIN register is used for tests */
2385         end_time = jiffies + HZ;
2386         do {
2387                 unsigned short ext_mid;
2388     
2389                 /* use preliminary reads to settle the communication */
2390                 snd_ac97_read(ac97, AC97_RESET);
2391                 snd_ac97_read(ac97, AC97_VENDOR_ID1);
2392                 snd_ac97_read(ac97, AC97_VENDOR_ID2);
2393                 /* modem? */
2394                 ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2395                 if (ext_mid != 0xffff && (ext_mid & 1) != 0)
2396                         return;
2397
2398                 /* test if we can write to the record gain volume register */
2399                 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);
2400                 if ((err = snd_ac97_read(ac97, AC97_REC_GAIN)) == 0x8a05)
2401                         return;
2402
2403                 msleep(10);
2404         } while (time_after_eq(end_time, jiffies));
2405
2406         snd_printk("CS46xx secondary codec dont respond!\n");  
2407 }
2408 #endif
2409
2410 static int __devinit cs46xx_detect_codec(cs46xx_t *chip, int codec)
2411 {
2412         int idx, err;
2413         ac97_template_t ac97;
2414
2415         memset(&ac97, 0, sizeof(ac97));
2416         ac97.private_data = chip;
2417         ac97.private_free = snd_cs46xx_mixer_free_ac97;
2418         ac97.num = codec;
2419         if (chip->amplifier_ctrl == amp_voyetra)
2420                 ac97.scaps = AC97_SCAP_INV_EAPD;
2421
2422         if (codec == CS46XX_SECONDARY_CODEC_INDEX) {
2423                 snd_cs46xx_codec_write(chip, AC97_RESET, 0, codec);
2424                 udelay(10);
2425                 if (snd_cs46xx_codec_read(chip, AC97_RESET, codec) & 0x8000) {
2426                         snd_printdd("snd_cs46xx: seconadry codec not present\n");
2427                         return -ENXIO;
2428                 }
2429         }
2430
2431         snd_cs46xx_codec_write(chip, AC97_MASTER, 0x8000, codec);
2432         for (idx = 0; idx < 100; ++idx) {
2433                 if (snd_cs46xx_codec_read(chip, AC97_MASTER, codec) == 0x8000) {
2434                         err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97[codec]);
2435                         return err;
2436                 }
2437                 msleep(10);
2438         }
2439         snd_printdd("snd_cs46xx: codec %d detection timeout\n", codec);
2440         return -ENXIO;
2441 }
2442
2443 int __devinit snd_cs46xx_mixer(cs46xx_t *chip, int spdif_device)
2444 {
2445         snd_card_t *card = chip->card;
2446         snd_ctl_elem_id_t id;
2447         int err;
2448         unsigned int idx;
2449         static ac97_bus_ops_t ops = {
2450 #ifdef CONFIG_SND_CS46XX_NEW_DSP
2451                 .reset = snd_cs46xx_codec_reset,
2452 #endif
2453                 .write = snd_cs46xx_ac97_write,
2454                 .read = snd_cs46xx_ac97_read,
2455         };
2456
2457         /* detect primary codec */
2458         chip->nr_ac97_codecs = 0;
2459         snd_printdd("snd_cs46xx: detecting primary codec\n");
2460         if ((err = snd_ac97_bus(card, 0, &ops, chip, &chip->ac97_bus)) < 0)
2461                 return err;
2462         chip->ac97_bus->private_free = snd_cs46xx_mixer_free_ac97_bus;
2463
2464         if (cs46xx_detect_codec(chip, CS46XX_PRIMARY_CODEC_INDEX) < 0)
2465                 return -ENXIO;
2466         chip->nr_ac97_codecs = 1;
2467
2468 #ifdef CONFIG_SND_CS46XX_NEW_DSP
2469         snd_printdd("snd_cs46xx: detecting seconadry codec\n");
2470         /* try detect a secondary codec */
2471         if (! cs46xx_detect_codec(chip, CS46XX_SECONDARY_CODEC_INDEX))
2472                 chip->nr_ac97_codecs = 2;
2473 #endif /* CONFIG_SND_CS46XX_NEW_DSP */
2474
2475         /* add cs4630 mixer controls */
2476         for (idx = 0; idx < ARRAY_SIZE(snd_cs46xx_controls); idx++) {
2477                 snd_kcontrol_t *kctl;
2478                 kctl = snd_ctl_new1(&snd_cs46xx_controls[idx], chip);
2479                 if (kctl && kctl->id.iface == SNDRV_CTL_ELEM_IFACE_PCM)
2480                         kctl->id.device = spdif_device;
2481                 if ((err = snd_ctl_add(card, kctl)) < 0)
2482                         return err;
2483         }
2484
2485         /* get EAPD mixer switch (for voyetra hack) */
2486         memset(&id, 0, sizeof(id));
2487         id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2488         strcpy(id.name, "External Amplifier");
2489         chip->eapd_switch = snd_ctl_find_id(chip->card, &id);
2490     
2491 #ifdef CONFIG_SND_CS46XX_NEW_DSP
2492         if (chip->nr_ac97_codecs == 1) {
2493                 unsigned int id2 = chip->ac97[CS46XX_PRIMARY_CODEC_INDEX]->id & 0xffff;
2494                 if (id2 == 0x592b || id2 == 0x592d) {
2495                         err = snd_ctl_add(card, snd_ctl_new1(&snd_cs46xx_front_dup_ctl, chip));
2496                         if (err < 0)
2497                                 return err;
2498                         snd_ac97_write_cache(chip->ac97[CS46XX_PRIMARY_CODEC_INDEX],
2499                                              AC97_CSR_ACMODE, 0x200);
2500                 }
2501         }
2502         /* do soundcard specific mixer setup */
2503         if (chip->mixer_init) {
2504                 snd_printdd ("calling chip->mixer_init(chip);\n");
2505                 chip->mixer_init(chip);
2506         }
2507 #endif
2508
2509         /* turn on amplifier */
2510         chip->amplifier_ctrl(chip, 1);
2511     
2512         return 0;
2513 }
2514
2515 /*
2516  *  RawMIDI interface
2517  */
2518
2519 static void snd_cs46xx_midi_reset(cs46xx_t *chip)
2520 {
2521         snd_cs46xx_pokeBA0(chip, BA0_MIDCR, MIDCR_MRST);
2522         udelay(100);
2523         snd_cs46xx_pokeBA0(chip, BA0_MIDCR, chip->midcr);
2524 }
2525
2526 static int snd_cs46xx_midi_input_open(snd_rawmidi_substream_t * substream)
2527 {
2528         cs46xx_t *chip = substream->rmidi->private_data;
2529
2530         chip->active_ctrl(chip, 1);
2531         spin_lock_irq(&chip->reg_lock);
2532         chip->uartm |= CS46XX_MODE_INPUT;
2533         chip->midcr |= MIDCR_RXE;
2534         chip->midi_input = substream;
2535         if (!(chip->uartm & CS46XX_MODE_OUTPUT)) {
2536                 snd_cs46xx_midi_reset(chip);
2537         } else {
2538                 snd_cs46xx_pokeBA0(chip, BA0_MIDCR, chip->midcr);
2539         }
2540         spin_unlock_irq(&chip->reg_lock);
2541         return 0;
2542 }
2543
2544 static int snd_cs46xx_midi_input_close(snd_rawmidi_substream_t * substream)
2545 {
2546         cs46xx_t *chip = substream->rmidi->private_data;
2547
2548         spin_lock_irq(&chip->reg_lock);
2549         chip->midcr &= ~(MIDCR_RXE | MIDCR_RIE);
2550         chip->midi_input = NULL;
2551         if (!(chip->uartm & CS46XX_MODE_OUTPUT)) {
2552                 snd_cs46xx_midi_reset(chip);
2553         } else {
2554                 snd_cs46xx_pokeBA0(chip, BA0_MIDCR, chip->midcr);
2555         }
2556         chip->uartm &= ~CS46XX_MODE_INPUT;
2557         spin_unlock_irq(&chip->reg_lock);
2558         chip->active_ctrl(chip, -1);
2559         return 0;
2560 }
2561
2562 static int snd_cs46xx_midi_output_open(snd_rawmidi_substream_t * substream)
2563 {
2564         cs46xx_t *chip = substream->rmidi->private_data;
2565
2566         chip->active_ctrl(chip, 1);
2567
2568         spin_lock_irq(&chip->reg_lock);
2569         chip->uartm |= CS46XX_MODE_OUTPUT;
2570         chip->midcr |= MIDCR_TXE;
2571         chip->midi_output = substream;
2572         if (!(chip->uartm & CS46XX_MODE_INPUT)) {
2573                 snd_cs46xx_midi_reset(chip);
2574         } else {
2575                 snd_cs46xx_pokeBA0(chip, BA0_MIDCR, chip->midcr);
2576         }
2577         spin_unlock_irq(&chip->reg_lock);
2578         return 0;
2579 }
2580
2581 static int snd_cs46xx_midi_output_close(snd_rawmidi_substream_t * substream)
2582 {
2583         cs46xx_t *chip = substream->rmidi->private_data;
2584
2585         spin_lock_irq(&chip->reg_lock);
2586         chip->midcr &= ~(MIDCR_TXE | MIDCR_TIE);
2587         chip->midi_output = NULL;
2588         if (!(chip->uartm & CS46XX_MODE_INPUT)) {
2589                 snd_cs46xx_midi_reset(chip);
2590         } else {
2591                 snd_cs46xx_pokeBA0(chip, BA0_MIDCR, chip->midcr);
2592         }
2593         chip->uartm &= ~CS46XX_MODE_OUTPUT;
2594         spin_unlock_irq(&chip->reg_lock);
2595         chip->active_ctrl(chip, -1);
2596         return 0;
2597 }
2598
2599 static void snd_cs46xx_midi_input_trigger(snd_rawmidi_substream_t * substream, int up)
2600 {
2601         unsigned long flags;
2602         cs46xx_t *chip = substream->rmidi->private_data;
2603
2604         spin_lock_irqsave(&chip->reg_lock, flags);
2605         if (up) {
2606                 if ((chip->midcr & MIDCR_RIE) == 0) {
2607                         chip->midcr |= MIDCR_RIE;
2608                         snd_cs46xx_pokeBA0(chip, BA0_MIDCR, chip->midcr);
2609                 }
2610         } else {
2611                 if (chip->midcr & MIDCR_RIE) {
2612                         chip->midcr &= ~MIDCR_RIE;
2613                         snd_cs46xx_pokeBA0(chip, BA0_MIDCR, chip->midcr);
2614                 }
2615         }
2616         spin_unlock_irqrestore(&chip->reg_lock, flags);
2617 }
2618
2619 static void snd_cs46xx_midi_output_trigger(snd_rawmidi_substream_t * substream, int up)
2620 {
2621         unsigned long flags;
2622         cs46xx_t *chip = substream->rmidi->private_data;
2623         unsigned char byte;
2624
2625         spin_lock_irqsave(&chip->reg_lock, flags);
2626         if (up) {
2627                 if ((chip->midcr & MIDCR_TIE) == 0) {
2628                         chip->midcr |= MIDCR_TIE;
2629                         /* fill UART FIFO buffer at first, and turn Tx interrupts only if necessary */
2630                         while ((chip->midcr & MIDCR_TIE) &&
2631                                (snd_cs46xx_peekBA0(chip, BA0_MIDSR) & MIDSR_TBF) == 0) {
2632                                 if (snd_rawmidi_transmit(substream, &byte, 1) != 1) {
2633                                         chip->midcr &= ~MIDCR_TIE;
2634                                 } else {
2635                                         snd_cs46xx_pokeBA0(chip, BA0_MIDWP, byte);
2636                                 }
2637                         }
2638                         snd_cs46xx_pokeBA0(chip, BA0_MIDCR, chip->midcr);
2639                 }
2640         } else {
2641                 if (chip->midcr & MIDCR_TIE) {
2642                         chip->midcr &= ~MIDCR_TIE;
2643                         snd_cs46xx_pokeBA0(chip, BA0_MIDCR, chip->midcr);
2644                 }
2645         }
2646         spin_unlock_irqrestore(&chip->reg_lock, flags);
2647 }
2648
2649 static snd_rawmidi_ops_t snd_cs46xx_midi_output =
2650 {
2651         .open =         snd_cs46xx_midi_output_open,
2652         .close =        snd_cs46xx_midi_output_close,
2653         .trigger =      snd_cs46xx_midi_output_trigger,
2654 };
2655
2656 static snd_rawmidi_ops_t snd_cs46xx_midi_input =
2657 {
2658         .open =         snd_cs46xx_midi_input_open,
2659         .close =        snd_cs46xx_midi_input_close,
2660         .trigger =      snd_cs46xx_midi_input_trigger,
2661 };
2662
2663 int __devinit snd_cs46xx_midi(cs46xx_t *chip, int device, snd_rawmidi_t **rrawmidi)
2664 {
2665         snd_rawmidi_t *rmidi;
2666         int err;
2667
2668         if (rrawmidi)
2669                 *rrawmidi = NULL;
2670         if ((err = snd_rawmidi_new(chip->card, "CS46XX", device, 1, 1, &rmidi)) < 0)
2671                 return err;
2672         strcpy(rmidi->name, "CS46XX");
2673         snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_cs46xx_midi_output);
2674         snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_cs46xx_midi_input);
2675         rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT | SNDRV_RAWMIDI_INFO_INPUT | SNDRV_RAWMIDI_INFO_DUPLEX;
2676         rmidi->private_data = chip;
2677         chip->rmidi = rmidi;
2678         if (rrawmidi)
2679                 *rrawmidi = NULL;
2680         return 0;
2681 }
2682
2683
2684 /*
2685  * gameport interface
2686  */
2687
2688 #if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE))
2689
2690 static void snd_cs46xx_gameport_trigger(struct gameport *gameport)
2691 {
2692         cs46xx_t *chip = gameport_get_port_data(gameport);
2693
2694         snd_assert(chip, return);
2695         snd_cs46xx_pokeBA0(chip, BA0_JSPT, 0xFF);  //outb(gameport->io, 0xFF);
2696 }
2697
2698 static unsigned char snd_cs46xx_gameport_read(struct gameport *gameport)
2699 {
2700         cs46xx_t *chip = gameport_get_port_data(gameport);
2701
2702         snd_assert(chip, return 0);
2703         return snd_cs46xx_peekBA0(chip, BA0_JSPT); //inb(gameport->io);
2704 }
2705
2706 static int snd_cs46xx_gameport_cooked_read(struct gameport *gameport, int *axes, int *buttons)
2707 {
2708         cs46xx_t *chip = gameport_get_port_data(gameport);
2709         unsigned js1, js2, jst;
2710
2711         snd_assert(chip, return 0);
2712
2713         js1 = snd_cs46xx_peekBA0(chip, BA0_JSC1);
2714         js2 = snd_cs46xx_peekBA0(chip, BA0_JSC2);
2715         jst = snd_cs46xx_peekBA0(chip, BA0_JSPT);
2716         
2717         *buttons = (~jst >> 4) & 0x0F; 
2718         
2719         axes[0] = ((js1 & JSC1_Y1V_MASK) >> JSC1_Y1V_SHIFT) & 0xFFFF;
2720         axes[1] = ((js1 & JSC1_X1V_MASK) >> JSC1_X1V_SHIFT) & 0xFFFF;
2721         axes[2] = ((js2 & JSC2_Y2V_MASK) >> JSC2_Y2V_SHIFT) & 0xFFFF;
2722         axes[3] = ((js2 & JSC2_X2V_MASK) >> JSC2_X2V_SHIFT) & 0xFFFF;
2723
2724         for(jst=0;jst<4;++jst)
2725                 if(axes[jst]==0xFFFF) axes[jst] = -1;
2726         return 0;
2727 }
2728
2729 static int snd_cs46xx_gameport_open(struct gameport *gameport, int mode)
2730 {
2731         switch (mode) {
2732         case GAMEPORT_MODE_COOKED:
2733                 return 0;
2734         case GAMEPORT_MODE_RAW:
2735                 return 0;
2736         default:
2737                 return -1;
2738         }
2739         return 0;
2740 }
2741
2742 int __devinit snd_cs46xx_gameport(cs46xx_t *chip)
2743 {
2744         struct gameport *gp;
2745
2746         chip->gameport = gp = gameport_allocate_port();
2747         if (!gp) {
2748                 printk(KERN_ERR "cs46xx: cannot allocate memory for gameport\n");
2749                 return -ENOMEM;
2750         }
2751
2752         gameport_set_name(gp, "CS46xx Gameport");
2753         gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci));
2754         gameport_set_dev_parent(gp, &chip->pci->dev);
2755         gameport_set_port_data(gp, chip);
2756
2757         gp->open = snd_cs46xx_gameport_open;
2758         gp->read = snd_cs46xx_gameport_read;
2759         gp->trigger = snd_cs46xx_gameport_trigger;
2760         gp->cooked_read = snd_cs46xx_gameport_cooked_read;
2761
2762         snd_cs46xx_pokeBA0(chip, BA0_JSIO, 0xFF); // ?
2763         snd_cs46xx_pokeBA0(chip, BA0_JSCTL, JSCTL_SP_MEDIUM_SLOW);
2764
2765         gameport_register_port(gp);
2766
2767         return 0;
2768 }
2769
2770 static inline void snd_cs46xx_remove_gameport(cs46xx_t *chip)
2771 {
2772         if (chip->gameport) {
2773                 gameport_unregister_port(chip->gameport);
2774                 chip->gameport = NULL;
2775         }
2776 }
2777 #else
2778 int __devinit snd_cs46xx_gameport(cs46xx_t *chip) { return -ENOSYS; }
2779 static inline void snd_cs46xx_remove_gameport(cs46xx_t *chip) { }
2780 #endif /* CONFIG_GAMEPORT */
2781
2782 /*
2783  *  proc interface
2784  */
2785
2786 static long snd_cs46xx_io_read(snd_info_entry_t *entry, void *file_private_data,
2787                                struct file *file, char __user *buf,
2788                                unsigned long count, unsigned long pos)
2789 {
2790         long size;
2791         snd_cs46xx_region_t *region = (snd_cs46xx_region_t *)entry->private_data;
2792         
2793         size = count;
2794         if (pos + (size_t)size > region->size)
2795                 size = region->size - pos;
2796         if (size > 0) {
2797                 if (copy_to_user_fromio(buf, region->remap_addr + pos, size))
2798                         return -EFAULT;
2799         }
2800         return size;
2801 }
2802
2803 static struct snd_info_entry_ops snd_cs46xx_proc_io_ops = {
2804         .read = snd_cs46xx_io_read,
2805 };
2806
2807 static int __devinit snd_cs46xx_proc_init(snd_card_t * card, cs46xx_t *chip)
2808 {
2809         snd_info_entry_t *entry;
2810         int idx;
2811         
2812         for (idx = 0; idx < 5; idx++) {
2813                 snd_cs46xx_region_t *region = &chip->region.idx[idx];
2814                 if (! snd_card_proc_new(card, region->name, &entry)) {
2815                         entry->content = SNDRV_INFO_CONTENT_DATA;
2816                         entry->private_data = chip;
2817                         entry->c.ops = &snd_cs46xx_proc_io_ops;
2818                         entry->size = region->size;
2819                         entry->mode = S_IFREG | S_IRUSR;
2820                 }
2821         }
2822 #ifdef CONFIG_SND_CS46XX_NEW_DSP
2823         cs46xx_dsp_proc_init(card, chip);
2824 #endif
2825         return 0;
2826 }
2827
2828 static int snd_cs46xx_proc_done(cs46xx_t *chip)
2829 {
2830 #ifdef CONFIG_SND_CS46XX_NEW_DSP
2831         cs46xx_dsp_proc_done(chip);
2832 #endif
2833         return 0;
2834 }
2835
2836 /*
2837  * stop the h/w
2838  */
2839 static void snd_cs46xx_hw_stop(cs46xx_t *chip)
2840 {
2841         unsigned int tmp;
2842
2843         tmp = snd_cs46xx_peek(chip, BA1_PFIE);
2844         tmp &= ~0x0000f03f;
2845         tmp |=  0x00000010;
2846         snd_cs46xx_poke(chip, BA1_PFIE, tmp);   /* playback interrupt disable */
2847
2848         tmp = snd_cs46xx_peek(chip, BA1_CIE);
2849         tmp &= ~0x0000003f;
2850         tmp |=  0x00000011;
2851         snd_cs46xx_poke(chip, BA1_CIE, tmp);    /* capture interrupt disable */
2852
2853         /*
2854          *  Stop playback DMA.
2855          */
2856         tmp = snd_cs46xx_peek(chip, BA1_PCTL);
2857         snd_cs46xx_poke(chip, BA1_PCTL, tmp & 0x0000ffff);
2858
2859         /*
2860          *  Stop capture DMA.
2861          */
2862         tmp = snd_cs46xx_peek(chip, BA1_CCTL);
2863         snd_cs46xx_poke(chip, BA1_CCTL, tmp & 0xffff0000);
2864
2865         /*
2866          *  Reset the processor.
2867          */
2868         snd_cs46xx_reset(chip);
2869
2870         snd_cs46xx_proc_stop(chip);
2871
2872         /*
2873          *  Power down the PLL.
2874          */
2875         snd_cs46xx_pokeBA0(chip, BA0_CLKCR1, 0);
2876
2877         /*
2878          *  Turn off the Processor by turning off the software clock enable flag in 
2879          *  the clock control register.
2880          */
2881         tmp = snd_cs46xx_peekBA0(chip, BA0_CLKCR1) & ~CLKCR1_SWCE;
2882         snd_cs46xx_pokeBA0(chip, BA0_CLKCR1, tmp);
2883 }
2884
2885
2886 static int snd_cs46xx_free(cs46xx_t *chip)
2887 {
2888         int idx;
2889
2890         snd_assert(chip != NULL, return -EINVAL);
2891
2892         if (chip->active_ctrl)
2893                 chip->active_ctrl(chip, 1);
2894
2895         snd_cs46xx_remove_gameport(chip);
2896
2897         if (chip->amplifier_ctrl)
2898                 chip->amplifier_ctrl(chip, -chip->amplifier); /* force to off */
2899         
2900         snd_cs46xx_proc_done(chip);
2901
2902         if (chip->region.idx[0].resource)
2903                 snd_cs46xx_hw_stop(chip);
2904
2905         for (idx = 0; idx < 5; idx++) {
2906                 snd_cs46xx_region_t *region = &chip->region.idx[idx];
2907                 if (region->remap_addr)
2908                         iounmap(region->remap_addr);
2909                 if (region->resource) {
2910                         release_resource(region->resource);
2911                         kfree_nocheck(region->resource);
2912                 }
2913         }
2914         if (chip->irq >= 0)
2915                 free_irq(chip->irq, (void *)chip);
2916
2917         if (chip->active_ctrl)
2918                 chip->active_ctrl(chip, -chip->amplifier);
2919         
2920 #ifdef CONFIG_SND_CS46XX_NEW_DSP
2921         if (chip->dsp_spos_instance) {
2922                 cs46xx_dsp_spos_destroy(chip);
2923                 chip->dsp_spos_instance = NULL;
2924         }
2925 #endif
2926         
2927         pci_disable_device(chip->pci);
2928         kfree(chip);
2929         return 0;
2930 }
2931
2932 static int snd_cs46xx_dev_free(snd_device_t *device)
2933 {
2934         cs46xx_t *chip = device->device_data;
2935         return snd_cs46xx_free(chip);
2936 }
2937
2938 /*
2939  *  initialize chip
2940  */
2941 static int snd_cs46xx_chip_init(cs46xx_t *chip)
2942 {
2943         int timeout;
2944
2945         /* 
2946          *  First, blast the clock control register to zero so that the PLL starts
2947          *  out in a known state, and blast the master serial port control register
2948          *  to zero so that the serial ports also start out in a known state.
2949          */
2950         snd_cs46xx_pokeBA0(chip, BA0_CLKCR1, 0);
2951         snd_cs46xx_pokeBA0(chip, BA0_SERMC1, 0);
2952
2953         /*
2954          *  If we are in AC97 mode, then we must set the part to a host controlled
2955          *  AC-link.  Otherwise, we won't be able to bring up the link.
2956          */        
2957 #ifdef CONFIG_SND_CS46XX_NEW_DSP
2958         snd_cs46xx_pokeBA0(chip, BA0_SERACC, SERACC_HSP | SERACC_CHIP_TYPE_2_0 | 
2959                            SERACC_TWO_CODECS);  /* 2.00 dual codecs */
2960         /* snd_cs46xx_pokeBA0(chip, BA0_SERACC, SERACC_HSP | SERACC_CHIP_TYPE_2_0); */ /* 2.00 codec */
2961 #else
2962         snd_cs46xx_pokeBA0(chip, BA0_SERACC, SERACC_HSP | SERACC_CHIP_TYPE_1_03); /* 1.03 codec */
2963 #endif
2964
2965         /*
2966          *  Drive the ARST# pin low for a minimum of 1uS (as defined in the AC97
2967          *  spec) and then drive it high.  This is done for non AC97 modes since
2968          *  there might be logic external to the CS461x that uses the ARST# line
2969          *  for a reset.
2970          */
2971         snd_cs46xx_pokeBA0(chip, BA0_ACCTL, 0);
2972 #ifdef CONFIG_SND_CS46XX_NEW_DSP
2973         snd_cs46xx_pokeBA0(chip, BA0_ACCTL2, 0);
2974 #endif
2975         udelay(50);
2976         snd_cs46xx_pokeBA0(chip, BA0_ACCTL, ACCTL_RSTN);
2977 #ifdef CONFIG_SND_CS46XX_NEW_DSP
2978         snd_cs46xx_pokeBA0(chip, BA0_ACCTL2, ACCTL_RSTN);
2979 #endif
2980     
2981         /*
2982          *  The first thing we do here is to enable sync generation.  As soon
2983          *  as we start receiving bit clock, we'll start producing the SYNC
2984          *  signal.
2985          */
2986         snd_cs46xx_pokeBA0(chip, BA0_ACCTL, ACCTL_ESYN | ACCTL_RSTN);
2987 #ifdef CONFIG_SND_CS46XX_NEW_DSP
2988         snd_cs46xx_pokeBA0(chip, BA0_ACCTL2, ACCTL_ESYN | ACCTL_RSTN);
2989 #endif
2990
2991         /*
2992          *  Now wait for a short while to allow the AC97 part to start
2993          *  generating bit clock (so we don't try to start the PLL without an
2994          *  input clock).
2995          */
2996         mdelay(10);
2997
2998         /*
2999          *  Set the serial port timing configuration, so that
3000          *  the clock control circuit gets its clock from the correct place.
3001          */
3002         snd_cs46xx_pokeBA0(chip, BA0_SERMC1, SERMC1_PTC_AC97);
3003
3004         /*
3005          *  Write the selected clock control setup to the hardware.  Do not turn on
3006          *  SWCE yet (if requested), so that the devices clocked by the output of
3007          *  PLL are not clocked until the PLL is stable.
3008          */
3009         snd_cs46xx_pokeBA0(chip, BA0_PLLCC, PLLCC_LPF_1050_2780_KHZ | PLLCC_CDR_73_104_MHZ);
3010         snd_cs46xx_pokeBA0(chip, BA0_PLLM, 0x3a);
3011         snd_cs46xx_pokeBA0(chip, BA0_CLKCR2, CLKCR2_PDIVS_8);
3012
3013         /*
3014          *  Power up the PLL.
3015          */
3016         snd_cs46xx_pokeBA0(chip, BA0_CLKCR1, CLKCR1_PLLP);
3017
3018         /*
3019          *  Wait until the PLL has stabilized.
3020          */
3021         msleep(100);
3022
3023         /*
3024          *  Turn on clocking of the core so that we can setup the serial ports.
3025          */
3026         snd_cs46xx_pokeBA0(chip, BA0_CLKCR1, CLKCR1_PLLP | CLKCR1_SWCE);
3027
3028         /*
3029          * Enable FIFO  Host Bypass
3030          */
3031         snd_cs46xx_pokeBA0(chip, BA0_SERBCF, SERBCF_HBP);
3032
3033         /*
3034          *  Fill the serial port FIFOs with silence.
3035          */
3036         snd_cs46xx_clear_serial_FIFOs(chip);
3037
3038         /*
3039          *  Set the serial port FIFO pointer to the first sample in the FIFO.
3040          */
3041         /* snd_cs46xx_pokeBA0(chip, BA0_SERBSP, 0); */
3042
3043         /*
3044          *  Write the serial port configuration to the part.  The master
3045          *  enable bit is not set until all other values have been written.
3046          */
3047         snd_cs46xx_pokeBA0(chip, BA0_SERC1, SERC1_SO1F_AC97 | SERC1_SO1EN);
3048         snd_cs46xx_pokeBA0(chip, BA0_SERC2, SERC2_SI1F_AC97 | SERC1_SO1EN);
3049         snd_cs46xx_pokeBA0(chip, BA0_SERMC1, SERMC1_PTC_AC97 | SERMC1_MSPE);
3050
3051
3052 #ifdef CONFIG_SND_CS46XX_NEW_DSP
3053         snd_cs46xx_pokeBA0(chip, BA0_SERC7, SERC7_ASDI2EN);
3054         snd_cs46xx_pokeBA0(chip, BA0_SERC3, 0);
3055         snd_cs46xx_pokeBA0(chip, BA0_SERC4, 0);
3056         snd_cs46xx_pokeBA0(chip, BA0_SERC5, 0);
3057         snd_cs46xx_pokeBA0(chip, BA0_SERC6, 1);
3058 #endif
3059
3060         mdelay(5);
3061
3062
3063         /*
3064          * Wait for the codec ready signal from the AC97 codec.
3065          */
3066         timeout = 150;
3067         while (timeout-- > 0) {
3068                 /*
3069                  *  Read the AC97 status register to see if we've seen a CODEC READY
3070                  *  signal from the AC97 codec.
3071                  */
3072                 if (snd_cs46xx_peekBA0(chip, BA0_ACSTS) & ACSTS_CRDY)
3073                         goto ok1;
3074                 msleep(10);
3075         }
3076
3077
3078         snd_printk("create - never read codec ready from AC'97\n");
3079         snd_printk("it is not probably bug, try to use CS4236 driver\n");
3080         return -EIO;
3081  ok1:
3082 #ifdef CONFIG_SND_CS46XX_NEW_DSP
3083         {
3084                 int count;
3085                 for (count = 0; count < 150; count++) {
3086                         /* First, we want to wait for a short time. */
3087                         udelay(25);
3088         
3089                         if (snd_cs46xx_peekBA0(chip, BA0_ACSTS2) & ACSTS_CRDY)
3090                                 break;
3091                 }
3092
3093                 /*
3094                  *  Make sure CODEC is READY.
3095                  */
3096                 if (!(snd_cs46xx_peekBA0(chip, BA0_ACSTS2) & ACSTS_CRDY))
3097                         snd_printdd("cs46xx: never read card ready from secondary AC'97\n");
3098         }
3099 #endif
3100
3101         /*
3102          *  Assert the vaid frame signal so that we can start sending commands
3103          *  to the AC97 codec.
3104          */
3105         snd_cs46xx_pokeBA0(chip, BA0_ACCTL, ACCTL_VFRM | ACCTL_ESYN | ACCTL_RSTN);
3106 #ifdef CONFIG_SND_CS46XX_NEW_DSP
3107         snd_cs46xx_pokeBA0(chip, BA0_ACCTL2, ACCTL_VFRM | ACCTL_ESYN | ACCTL_RSTN);
3108 #endif
3109
3110
3111         /*
3112          *  Wait until we've sampled input slots 3 and 4 as valid, meaning that
3113          *  the codec is pumping ADC data across the AC-link.
3114          */
3115         timeout = 150;
3116         while (timeout-- > 0) {
3117                 /*
3118                  *  Read the input slot valid register and see if input slots 3 and
3119                  *  4 are valid yet.
3120                  */
3121                 if ((snd_cs46xx_peekBA0(chip, BA0_ACISV) & (ACISV_ISV3 | ACISV_ISV4)) == (ACISV_ISV3 | ACISV_ISV4))
3122                         goto ok2;
3123                 msleep(10);
3124         }
3125
3126 #ifndef CONFIG_SND_CS46XX_NEW_DSP
3127         snd_printk("create - never read ISV3 & ISV4 from AC'97\n");
3128         return -EIO;
3129 #else
3130         /* This may happen on a cold boot with a Terratec SiXPack 5.1.
3131            Reloading the driver may help, if there's other soundcards 
3132            with the same problem I would like to know. (Benny) */
3133
3134         snd_printk("ERROR: snd-cs46xx: never read ISV3 & ISV4 from AC'97\n");
3135         snd_printk("       Try reloading the ALSA driver, if you find something\n");
3136         snd_printk("       broken or not working on your soundcard upon\n");
3137         snd_printk("       this message please report to alsa-devel@lists.sourceforge.net\n");
3138
3139         return -EIO;
3140 #endif
3141  ok2:
3142
3143         /*
3144          *  Now, assert valid frame and the slot 3 and 4 valid bits.  This will
3145          *  commense the transfer of digital audio data to the AC97 codec.
3146          */
3147
3148         snd_cs46xx_pokeBA0(chip, BA0_ACOSV, ACOSV_SLV3 | ACOSV_SLV4);
3149
3150
3151         /*
3152          *  Power down the DAC and ADC.  We will power them up (if) when we need
3153          *  them.
3154          */
3155         /* snd_cs46xx_pokeBA0(chip, BA0_AC97_POWERDOWN, 0x300); */
3156
3157         /*
3158          *  Turn off the Processor by turning off the software clock enable flag in 
3159          *  the clock control register.
3160          */
3161         /* tmp = snd_cs46xx_peekBA0(chip, BA0_CLKCR1) & ~CLKCR1_SWCE; */
3162         /* snd_cs46xx_pokeBA0(chip, BA0_CLKCR1, tmp); */
3163
3164         return 0;
3165 }
3166
3167 /*
3168  *  start and load DSP 
3169  */
3170 int __devinit snd_cs46xx_start_dsp(cs46xx_t *chip)
3171 {       
3172         unsigned int tmp;
3173         /*
3174          *  Reset the processor.
3175          */
3176         snd_cs46xx_reset(chip);
3177         /*
3178          *  Download the image to the processor.
3179          */
3180 #ifdef CONFIG_SND_CS46XX_NEW_DSP
3181 #if 0
3182         if (cs46xx_dsp_load_module(chip, &cwcemb80_module) < 0) {
3183                 snd_printk(KERN_ERR "image download error\n");
3184                 return -EIO;
3185         }
3186 #endif
3187
3188         if (cs46xx_dsp_load_module(chip, &cwc4630_module) < 0) {
3189                 snd_printk(KERN_ERR "image download error [cwc4630]\n");
3190                 return -EIO;
3191         }
3192
3193         if (cs46xx_dsp_load_module(chip, &cwcasync_module) < 0) {
3194                 snd_printk(KERN_ERR "image download error [cwcasync]\n");
3195                 return -EIO;
3196         }
3197
3198         if (cs46xx_dsp_load_module(chip, &cwcsnoop_module) < 0) {
3199                 snd_printk(KERN_ERR "image download error [cwcsnoop]\n");
3200                 return -EIO;
3201         }
3202
3203         if (cs46xx_dsp_load_module(chip, &cwcbinhack_module) < 0) {
3204                 snd_printk(KERN_ERR "image download error [cwcbinhack]\n");
3205                 return -EIO;
3206         }
3207
3208         if (cs46xx_dsp_load_module(chip, &cwcdma_module) < 0) {
3209                 snd_printk(KERN_ERR "image download error [cwcdma]\n");
3210                 return -EIO;
3211         }
3212
3213         if (cs46xx_dsp_scb_and_task_init(chip) < 0)
3214                 return -EIO;
3215 #else
3216         /* old image */
3217         if (snd_cs46xx_download_image(chip) < 0) {
3218                 snd_printk("image download error\n");
3219                 return -EIO;
3220         }
3221
3222         /*
3223          *  Stop playback DMA.
3224          */
3225         tmp = snd_cs46xx_peek(chip, BA1_PCTL);
3226         chip->play_ctl = tmp & 0xffff0000;
3227         snd_cs46xx_poke(chip, BA1_PCTL, tmp & 0x0000ffff);
3228 #endif
3229
3230         /*
3231          *  Stop capture DMA.
3232          */
3233         tmp = snd_cs46xx_peek(chip, BA1_CCTL);
3234         chip->capt.ctl = tmp & 0x0000ffff;
3235         snd_cs46xx_poke(chip, BA1_CCTL, tmp & 0xffff0000);
3236
3237         mdelay(5);
3238
3239         snd_cs46xx_set_play_sample_rate(chip, 8000);
3240         snd_cs46xx_set_capture_sample_rate(chip, 8000);
3241
3242         snd_cs46xx_proc_start(chip);
3243
3244         /*
3245          *  Enable interrupts on the part.
3246          */
3247         snd_cs46xx_pokeBA0(chip, BA0_HICR, HICR_IEV | HICR_CHGM);
3248         
3249         tmp = snd_cs46xx_peek(chip, BA1_PFIE);
3250         tmp &= ~0x0000f03f;
3251         snd_cs46xx_poke(chip, BA1_PFIE, tmp);   /* playback interrupt enable */
3252
3253         tmp = snd_cs46xx_peek(chip, BA1_CIE);
3254         tmp &= ~0x0000003f;
3255         tmp |=  0x00000001;
3256         snd_cs46xx_poke(chip, BA1_CIE, tmp);    /* capture interrupt enable */
3257         
3258 #ifndef CONFIG_SND_CS46XX_NEW_DSP
3259         /* set the attenuation to 0dB */ 
3260         snd_cs46xx_poke(chip, BA1_PVOL, 0x80008000);
3261         snd_cs46xx_poke(chip, BA1_CVOL, 0x80008000);
3262 #endif
3263
3264         return 0;
3265 }
3266
3267
3268 /*
3269  *      AMP control - null AMP
3270  */
3271  
3272 static void amp_none(cs46xx_t *chip, int change)
3273 {       
3274 }
3275
3276 #ifdef CONFIG_SND_CS46XX_NEW_DSP
3277 static int voyetra_setup_eapd_slot(cs46xx_t *chip)
3278 {
3279         
3280         u32 idx, valid_slots,tmp,powerdown = 0;
3281         u16 modem_power,pin_config,logic_type;
3282
3283         snd_printdd ("cs46xx: cs46xx_setup_eapd_slot()+\n");
3284
3285         /*
3286          *  See if the devices are powered down.  If so, we must power them up first
3287          *  or they will not respond.
3288          */
3289         tmp = snd_cs46xx_peekBA0(chip, BA0_CLKCR1);
3290
3291         if (!(tmp & CLKCR1_SWCE)) {
3292                 snd_cs46xx_pokeBA0(chip, BA0_CLKCR1, tmp | CLKCR1_SWCE);
3293                 powerdown = 1;
3294         }
3295
3296         /*
3297          * Clear PRA.  The Bonzo chip will be used for GPIO not for modem
3298          * stuff.
3299          */
3300         if(chip->nr_ac97_codecs != 2) {
3301                 snd_printk (KERN_ERR "cs46xx: cs46xx_setup_eapd_slot() - no secondary codec configured\n");
3302                 return -EINVAL;
3303         }
3304
3305         modem_power = snd_cs46xx_codec_read (chip, 
3306                                              AC97_EXTENDED_MSTATUS,
3307                                              CS46XX_SECONDARY_CODEC_INDEX);
3308         modem_power &=0xFEFF;
3309
3310         snd_cs46xx_codec_write(chip, 
3311                                AC97_EXTENDED_MSTATUS, modem_power,
3312                                CS46XX_SECONDARY_CODEC_INDEX);
3313
3314         /*
3315          * Set GPIO pin's 7 and 8 so that they are configured for output.
3316          */
3317         pin_config = snd_cs46xx_codec_read (chip, 
3318                                             AC97_GPIO_CFG,
3319                                             CS46XX_SECONDARY_CODEC_INDEX);
3320         pin_config &=0x27F;
3321
3322         snd_cs46xx_codec_write(chip, 
3323                                AC97_GPIO_CFG, pin_config,
3324                                CS46XX_SECONDARY_CODEC_INDEX);
3325     
3326         /*
3327          * Set GPIO pin's 7 and 8 so that they are compatible with CMOS logic.
3328          */
3329
3330         logic_type = snd_cs46xx_codec_read(chip, AC97_GPIO_POLARITY,
3331                                            CS46XX_SECONDARY_CODEC_INDEX);
3332         logic_type &=0x27F; 
3333
3334         snd_cs46xx_codec_write (chip, AC97_GPIO_POLARITY, logic_type,
3335                                 CS46XX_SECONDARY_CODEC_INDEX);
3336
3337         valid_slots = snd_cs46xx_peekBA0(chip, BA0_ACOSV);
3338         valid_slots |= 0x200;
3339         snd_cs46xx_pokeBA0(chip, BA0_ACOSV, valid_slots);
3340
3341         if ( cs46xx_wait_for_fifo(chip,1) ) {
3342           snd_printdd("FIFO is busy\n");
3343           
3344           return -EINVAL;
3345         }
3346
3347         /*
3348          * Fill slots 12 with the correct value for the GPIO pins. 
3349          */
3350         for(idx = 0x90; idx <= 0x9F; idx++) {
3351                 /*
3352                  * Initialize the fifo so that bits 7 and 8 are on.
3353                  *
3354                  * Remember that the GPIO pins in bonzo are shifted by 4 bits to
3355                  * the left.  0x1800 corresponds to bits 7 and 8.
3356                  */
3357                 snd_cs46xx_pokeBA0(chip, BA0_SERBWP, 0x1800);
3358
3359                 /*
3360                  * Wait for command to complete
3361                  */
3362                 if ( cs46xx_wait_for_fifo(chip,200) ) {
3363                         snd_printdd("failed waiting for FIFO at addr (%02X)\n",idx);
3364
3365                         return -EINVAL;
3366                 }
3367             
3368                 /*
3369                  * Write the serial port FIFO index.
3370                  */
3371                 snd_cs46xx_pokeBA0(chip, BA0_SERBAD, idx);
3372       
3373                 /*
3374                  * Tell the serial port to load the new value into the FIFO location.
3375                  */
3376                 snd_cs46xx_pokeBA0(chip, BA0_SERBCM, SERBCM_WRC);
3377         }
3378
3379         /* wait for last command to complete */
3380         cs46xx_wait_for_fifo(chip,200);
3381
3382         /*
3383          *  Now, if we powered up the devices, then power them back down again.
3384          *  This is kinda ugly, but should never happen.
3385          */
3386         if (powerdown)
3387                 snd_cs46xx_pokeBA0(chip, BA0_CLKCR1, tmp);
3388
3389         return 0;
3390 }
3391 #endif
3392
3393 /*
3394  *      Crystal EAPD mode
3395  */
3396  
3397 static void amp_voyetra(cs46xx_t *chip, int change)
3398 {
3399         /* Manage the EAPD bit on the Crystal 4297 
3400            and the Analog AD1885 */
3401            
3402 #ifdef CONFIG_SND_CS46XX_NEW_DSP
3403         int old = chip->amplifier;
3404 #endif
3405         int oval, val;
3406         
3407         chip->amplifier += change;
3408         oval = snd_cs46xx_codec_read(chip, AC97_POWERDOWN,
3409                                      CS46XX_PRIMARY_CODEC_INDEX);
3410         val = oval;
3411         if (chip->amplifier) {
3412                 /* Turn the EAPD amp on */
3413                 val |= 0x8000;
3414         } else {
3415                 /* Turn the EAPD amp off */
3416                 val &= ~0x8000;
3417         }
3418         if (val != oval) {
3419                 snd_cs46xx_codec_write(chip, AC97_POWERDOWN, val,
3420                                        CS46XX_PRIMARY_CODEC_INDEX);
3421                 if (chip->eapd_switch)
3422                         snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
3423                                        &chip->eapd_switch->id);
3424         }
3425
3426 #ifdef CONFIG_SND_CS46XX_NEW_DSP
3427         if (chip->amplifier && !old) {
3428                 voyetra_setup_eapd_slot(chip);
3429         }
3430 #endif
3431 }
3432
3433 static void hercules_init(cs46xx_t *chip) 
3434 {
3435         /* default: AMP off, and SPDIF input optical */
3436         snd_cs46xx_pokeBA0(chip, BA0_EGPIODR, EGPIODR_GPOE0);
3437         snd_cs46xx_pokeBA0(chip, BA0_EGPIOPTR, EGPIODR_GPOE0);
3438 }
3439
3440
3441 /*
3442  *      Game Theatre XP card - EGPIO[2] is used to enable the external amp.
3443  */ 
3444 static void amp_hercules(cs46xx_t *chip, int change)
3445 {
3446         int old = chip->amplifier;
3447         int val1 = snd_cs46xx_peekBA0(chip, BA0_EGPIODR);
3448         int val2 = snd_cs46xx_peekBA0(chip, BA0_EGPIOPTR);
3449
3450         chip->amplifier += change;
3451         if (chip->amplifier && !old) {
3452                 snd_printdd ("Hercules amplifier ON\n");
3453
3454                 snd_cs46xx_pokeBA0(chip, BA0_EGPIODR, 
3455                                    EGPIODR_GPOE2 | val1);     /* enable EGPIO2 output */
3456                 snd_cs46xx_pokeBA0(chip, BA0_EGPIOPTR, 
3457                                    EGPIOPTR_GPPT2 | val2);   /* open-drain on output */
3458         } else if (old && !chip->amplifier) {
3459                 snd_printdd ("Hercules amplifier OFF\n");
3460                 snd_cs46xx_pokeBA0(chip, BA0_EGPIODR,  val1 & ~EGPIODR_GPOE2); /* disable */
3461                 snd_cs46xx_pokeBA0(chip, BA0_EGPIOPTR, val2 & ~EGPIOPTR_GPPT2); /* disable */
3462         }
3463 }
3464
3465 static void voyetra_mixer_init (cs46xx_t *chip)
3466 {
3467         snd_printdd ("initializing Voyetra mixer\n");
3468
3469         /* Enable SPDIF out */
3470         snd_cs46xx_pokeBA0(chip, BA0_EGPIODR, EGPIODR_GPOE0);
3471         snd_cs46xx_pokeBA0(chip, BA0_EGPIOPTR, EGPIODR_GPOE0);
3472 }
3473
3474 static void hercules_mixer_init (cs46xx_t *chip)
3475 {
3476 #ifdef CONFIG_SND_CS46XX_NEW_DSP
3477         unsigned int idx;
3478         int err;
3479         snd_card_t *card = chip->card;
3480 #endif
3481
3482         /* set EGPIO to default */
3483         hercules_init(chip);
3484
3485         snd_printdd ("initializing Hercules mixer\n");
3486
3487 #ifdef CONFIG_SND_CS46XX_NEW_DSP
3488         for (idx = 0 ; idx < ARRAY_SIZE(snd_hercules_controls); idx++) {
3489                 snd_kcontrol_t *kctl;
3490
3491                 kctl = snd_ctl_new1(&snd_hercules_controls[idx], chip);
3492                 if ((err = snd_ctl_add(card, kctl)) < 0) {
3493                         printk (KERN_ERR "cs46xx: failed to initialize Hercules mixer (%d)\n",err);
3494                         break;
3495                 }
3496         }
3497 #endif
3498 }
3499
3500
3501 #if 0
3502 /*
3503  *      Untested
3504  */
3505  
3506 static void amp_voyetra_4294(cs46xx_t *chip, int change)
3507 {
3508         chip->amplifier += change;
3509
3510         if (chip->amplifier) {
3511                 /* Switch the GPIO pins 7 and 8 to open drain */
3512                 snd_cs46xx_codec_write(chip, 0x4C,
3513                                        snd_cs46xx_codec_read(chip, 0x4C) & 0xFE7F);
3514                 snd_cs46xx_codec_write(chip, 0x4E,
3515                                        snd_cs46xx_codec_read(chip, 0x4E) | 0x0180);
3516                 /* Now wake the AMP (this might be backwards) */
3517                 snd_cs46xx_codec_write(chip, 0x54,
3518                                        snd_cs46xx_codec_read(chip, 0x54) & ~0x0180);
3519         } else {
3520                 snd_cs46xx_codec_write(chip, 0x54,
3521                                        snd_cs46xx_codec_read(chip, 0x54) | 0x0180);
3522         }
3523 }
3524 #endif
3525
3526
3527 /*
3528  * piix4 pci ids
3529  */
3530 #ifndef PCI_VENDOR_ID_INTEL
3531 #define PCI_VENDOR_ID_INTEL 0x8086
3532 #endif /* PCI_VENDOR_ID_INTEL */
3533
3534 #ifndef PCI_DEVICE_ID_INTEL_82371AB_3
3535 #define PCI_DEVICE_ID_INTEL_82371AB_3 0x7113
3536 #endif /* PCI_DEVICE_ID_INTEL_82371AB_3 */
3537
3538 /*
3539  *      Handle the CLKRUN on a thinkpad. We must disable CLKRUN support
3540  *      whenever we need to beat on the chip.
3541  *
3542  *      The original idea and code for this hack comes from David Kaiser at
3543  *      Linuxcare. Perhaps one day Crystal will document their chips well
3544  *      enough to make them useful.
3545  */
3546  
3547 static void clkrun_hack(cs46xx_t *chip, int change)
3548 {
3549         u16 control, nval;
3550         
3551         if (chip->acpi_dev == NULL)
3552                 return;
3553
3554         chip->amplifier += change;
3555         
3556         /* Read ACPI port */    
3557         nval = control = inw(chip->acpi_port + 0x10);
3558
3559         /* Flip CLKRUN off while running */
3560         if (! chip->amplifier)
3561                 nval |= 0x2000;
3562         else
3563                 nval &= ~0x2000;
3564         if (nval != control)
3565                 outw(nval, chip->acpi_port + 0x10);
3566 }
3567
3568         
3569 /*
3570  * detect intel piix4
3571  */
3572 static void clkrun_init(cs46xx_t *chip)
3573 {
3574         u8 pp;
3575
3576         chip->acpi_dev = pci_find_device(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
3577         if (chip->acpi_dev == NULL)
3578                 return;         /* Not a thinkpad thats for sure */
3579
3580         /* Find the control port */             
3581         pci_read_config_byte(chip->acpi_dev, 0x41, &pp);
3582         chip->acpi_port = pp << 8;
3583 }
3584
3585
3586 /*
3587  * Card subid table
3588  */
3589  
3590 struct cs_card_type
3591 {
3592         u16 vendor;
3593         u16 id;
3594         char *name;
3595         void (*init)(cs46xx_t *);
3596         void (*amp)(cs46xx_t *, int);
3597         void (*active)(cs46xx_t *, int);
3598         void (*mixer_init)(cs46xx_t *);
3599 };
3600
3601 static struct cs_card_type __devinitdata cards[] = {
3602         {
3603                 .vendor = 0x1489,
3604                 .id = 0x7001,
3605                 .name = "Genius Soundmaker 128 value",
3606                 /* nothing special */
3607         },
3608         {
3609                 .vendor = 0x5053,
3610                 .id = 0x3357,
3611                 .name = "Voyetra",
3612                 .amp = amp_voyetra,
3613                 .mixer_init = voyetra_mixer_init,
3614         },
3615         {
3616                 .vendor = 0x1071,
3617                 .id = 0x6003,
3618                 .name = "Mitac MI6020/21",
3619                 .amp = amp_voyetra,
3620         },
3621         {
3622                 .vendor = 0x14AF,
3623                 .id = 0x0050,
3624                 .name = "Hercules Game Theatre XP",
3625                 .amp = amp_hercules,
3626                 .mixer_init = hercules_mixer_init,
3627         },
3628         {
3629                 .vendor = 0x1681,
3630                 .id = 0x0050,
3631                 .name = "Hercules Game Theatre XP",
3632                 .amp = amp_hercules,
3633                 .mixer_init = hercules_mixer_init,
3634         },
3635         {
3636                 .vendor = 0x1681,
3637                 .id = 0x0051,
3638                 .name = "Hercules Game Theatre XP",
3639                 .amp = amp_hercules,
3640                 .mixer_init = hercules_mixer_init,
3641
3642         },
3643         {
3644                 .vendor = 0x1681,
3645                 .id = 0x0052,
3646                 .name = "Hercules Game Theatre XP",
3647                 .amp = amp_hercules,
3648                 .mixer_init = hercules_mixer_init,
3649         },
3650         {
3651                 .vendor = 0x1681,
3652                 .id = 0x0053,
3653                 .name = "Hercules Game Theatre XP",
3654                 .amp = amp_hercules,
3655                 .mixer_init = hercules_mixer_init,
3656         },
3657         {
3658                 .vendor = 0x1681,
3659                 .id = 0x0054,
3660                 .name = "Hercules Game Theatre XP",
3661                 .amp = amp_hercules,
3662                 .mixer_init = hercules_mixer_init,
3663         },
3664         /* Teratec */
3665         {
3666                 .vendor = 0x153b,
3667                 .id = 0x1136,
3668                 .name = "Terratec SiXPack 5.1",
3669         },
3670         /* Not sure if the 570 needs the clkrun hack */
3671         {
3672                 .vendor = PCI_VENDOR_ID_IBM,
3673                 .id = 0x0132,
3674                 .name = "Thinkpad 570",
3675                 .init = clkrun_init,
3676                 .active = clkrun_hack,
3677         },
3678         {
3679                 .vendor = PCI_VENDOR_ID_IBM,
3680                 .id = 0x0153,
3681                 .name = "Thinkpad 600X/A20/T20",
3682                 .init = clkrun_init,
3683                 .active = clkrun_hack,
3684         },
3685         {
3686                 .vendor = PCI_VENDOR_ID_IBM,
3687                 .id = 0x1010,
3688                 .name = "Thinkpad 600E (unsupported)",
3689         },
3690         {} /* terminator */
3691 };
3692
3693
3694 /*
3695  * APM support
3696  */
3697 #ifdef CONFIG_PM
3698 static int snd_cs46xx_suspend(snd_card_t *card, pm_message_t state)
3699 {
3700         cs46xx_t *chip = card->pm_private_data;
3701         int amp_saved;
3702
3703         snd_pcm_suspend_all(chip->pcm);
3704         // chip->ac97_powerdown = snd_cs46xx_codec_read(chip, AC97_POWER_CONTROL);
3705         // chip->ac97_general_purpose = snd_cs46xx_codec_read(chip, BA0_AC97_GENERAL_PURPOSE);
3706
3707         snd_ac97_suspend(chip->ac97[CS46XX_PRIMARY_CODEC_INDEX]);
3708         if (chip->ac97[CS46XX_SECONDARY_CODEC_INDEX])
3709                 snd_ac97_suspend(chip->ac97[CS46XX_SECONDARY_CODEC_INDEX]);
3710
3711         amp_saved = chip->amplifier;
3712         /* turn off amp */
3713         chip->amplifier_ctrl(chip, -chip->amplifier);
3714         snd_cs46xx_hw_stop(chip);
3715         /* disable CLKRUN */
3716         chip->active_ctrl(chip, -chip->amplifier);
3717         chip->amplifier = amp_saved; /* restore the status */
3718         pci_disable_device(chip->pci);
3719         return 0;
3720 }
3721
3722 static int snd_cs46xx_resume(snd_card_t *card)
3723 {
3724         cs46xx_t *chip = card->pm_private_data;
3725         int amp_saved;
3726
3727         pci_enable_device(chip->pci);
3728         pci_set_master(chip->pci);
3729         amp_saved = chip->amplifier;
3730         chip->amplifier = 0;
3731         chip->active_ctrl(chip, 1); /* force to on */
3732
3733         snd_cs46xx_chip_init(chip);
3734
3735 #if 0
3736         snd_cs46xx_codec_write(chip, BA0_AC97_GENERAL_PURPOSE, 
3737                                chip->ac97_general_purpose);
3738         snd_cs46xx_codec_write(chip, AC97_POWER_CONTROL, 
3739                                chip->ac97_powerdown);
3740         mdelay(10);
3741         snd_cs46xx_codec_write(chip, BA0_AC97_POWERDOWN,
3742                                chip->ac97_powerdown);
3743         mdelay(5);
3744 #endif
3745
3746         snd_ac97_resume(chip->ac97[CS46XX_PRIMARY_CODEC_INDEX]);
3747         if (chip->ac97[CS46XX_SECONDARY_CODEC_INDEX])
3748                 snd_ac97_resume(chip->ac97[CS46XX_SECONDARY_CODEC_INDEX]);
3749
3750         if (amp_saved)
3751                 chip->amplifier_ctrl(chip, 1); /* turn amp on */
3752         else
3753                 chip->active_ctrl(chip, -1); /* disable CLKRUN */
3754         chip->amplifier = amp_saved;
3755         return 0;
3756 }
3757 #endif /* CONFIG_PM */
3758
3759
3760 /*
3761  */
3762
3763 int __devinit snd_cs46xx_create(snd_card_t * card,
3764                       struct pci_dev * pci,
3765                       int external_amp, int thinkpad,
3766                       cs46xx_t ** rchip)
3767 {
3768         cs46xx_t *chip;
3769         int err, idx;
3770         snd_cs46xx_region_t *region;
3771         struct cs_card_type *cp;
3772         u16 ss_card, ss_vendor;
3773         static snd_device_ops_t ops = {
3774                 .dev_free =     snd_cs46xx_dev_free,
3775         };
3776         
3777         *rchip = NULL;
3778
3779         /* enable PCI device */
3780         if ((err = pci_enable_device(pci)) < 0)
3781                 return err;
3782
3783         chip = kcalloc(1, sizeof(*chip), GFP_KERNEL);
3784         if (chip == NULL) {
3785                 pci_disable_device(pci);
3786                 return -ENOMEM;
3787         }
3788         spin_lock_init(&chip->reg_lock);
3789 #ifdef CONFIG_SND_CS46XX_NEW_DSP
3790         init_MUTEX(&chip->spos_mutex);
3791 #endif
3792         chip->card = card;
3793         chip->pci = pci;
3794         chip->irq = -1;
3795         chip->ba0_addr = pci_resource_start(pci, 0);
3796         chip->ba1_addr = pci_resource_start(pci, 1);
3797         if (chip->ba0_addr == 0 || chip->ba0_addr == (unsigned long)~0 ||
3798             chip->ba1_addr == 0 || chip->ba1_addr == (unsigned long)~0) {
3799                 snd_printk("wrong address(es) - ba0 = 0x%lx, ba1 = 0x%lx\n", chip->ba0_addr, chip->ba1_addr);
3800                 snd_cs46xx_free(chip);
3801                 return -ENOMEM;
3802         }
3803
3804         region = &chip->region.name.ba0;
3805         strcpy(region->name, "CS46xx_BA0");
3806         region->base = chip->ba0_addr;
3807         region->size = CS46XX_BA0_SIZE;
3808
3809         region = &chip->region.name.data0;
3810         strcpy(region->name, "CS46xx_BA1_data0");
3811         region->base = chip->ba1_addr + BA1_SP_DMEM0;
3812         region->size = CS46XX_BA1_DATA0_SIZE;
3813
3814         region = &chip->region.name.data1;
3815         strcpy(region->name, "CS46xx_BA1_data1");
3816         region->base = chip->ba1_addr + BA1_SP_DMEM1;
3817         region->size = CS46XX_BA1_DATA1_SIZE;
3818
3819         region = &chip->region.name.pmem;
3820         strcpy(region->name, "CS46xx_BA1_pmem");
3821         region->base = chip->ba1_addr + BA1_SP_PMEM;
3822         region->size = CS46XX_BA1_PRG_SIZE;
3823
3824         region = &chip->region.name.reg;
3825         strcpy(region->name, "CS46xx_BA1_reg");
3826         region->base = chip->ba1_addr + BA1_SP_REG;
3827         region->size = CS46XX_BA1_REG_SIZE;
3828
3829         /* set up amp and clkrun hack */
3830         pci_read_config_word(pci, PCI_SUBSYSTEM_VENDOR_ID, &ss_vendor);
3831         pci_read_config_word(pci, PCI_SUBSYSTEM_ID, &ss_card);
3832
3833         for (cp = &cards[0]; cp->name; cp++) {
3834                 if (cp->vendor == ss_vendor && cp->id == ss_card) {
3835                         snd_printdd ("hack for %s enabled\n", cp->name);
3836
3837                         chip->amplifier_ctrl = cp->amp;
3838                         chip->active_ctrl = cp->active;
3839                         chip->mixer_init = cp->mixer_init;
3840
3841                         if (cp->init)
3842                                 cp->init(chip);
3843                         break;
3844                 }
3845         }
3846
3847         if (external_amp) {
3848                 snd_printk("Crystal EAPD support forced on.\n");
3849                 chip->amplifier_ctrl = amp_voyetra;
3850         }
3851
3852         if (thinkpad) {
3853                 snd_printk("Activating CLKRUN hack for Thinkpad.\n");
3854                 chip->active_ctrl = clkrun_hack;
3855                 clkrun_init(chip);
3856         }
3857         
3858         if (chip->amplifier_ctrl == NULL)
3859                 chip->amplifier_ctrl = amp_none;
3860         if (chip->active_ctrl == NULL)
3861                 chip->active_ctrl = amp_none;
3862
3863         chip->active_ctrl(chip, 1); /* enable CLKRUN */
3864
3865         pci_set_master(pci);
3866
3867         for (idx = 0; idx < 5; idx++) {
3868                 region = &chip->region.idx[idx];
3869                 if ((region->resource = request_mem_region(region->base, region->size, region->name)) == NULL) {
3870                         snd_printk("unable to request memory region 0x%lx-0x%lx\n", region->base, region->base + region->size - 1);
3871                         snd_cs46xx_free(chip);
3872                         return -EBUSY;
3873                 }
3874                 region->remap_addr = ioremap_nocache(region->base, region->size);
3875                 if (region->remap_addr == NULL) {
3876                         snd_printk("%s ioremap problem\n", region->name);
3877                         snd_cs46xx_free(chip);
3878                         return -ENOMEM;
3879                 }
3880         }
3881
3882         if (request_irq(pci->irq, snd_cs46xx_interrupt, SA_INTERRUPT|SA_SHIRQ, "CS46XX", (void *) chip)) {
3883                 snd_printk("unable to grab IRQ %d\n", pci->irq);
3884                 snd_cs46xx_free(chip);
3885                 return -EBUSY;
3886         }
3887         chip->irq = pci->irq;
3888
3889 #ifdef CONFIG_SND_CS46XX_NEW_DSP
3890         chip->dsp_spos_instance = cs46xx_dsp_spos_create(chip);
3891         if (chip->dsp_spos_instance == NULL) {
3892                 snd_cs46xx_free(chip);
3893                 return -ENOMEM;
3894         }
3895 #endif
3896
3897         err = snd_cs46xx_chip_init(chip);
3898         if (err < 0) {
3899                 snd_cs46xx_free(chip);
3900                 return err;
3901         }
3902
3903         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
3904                 snd_cs46xx_free(chip);
3905                 return err;
3906         }
3907         
3908         snd_cs46xx_proc_init(card, chip);
3909
3910         snd_card_set_pm_callback(card, snd_cs46xx_suspend, snd_cs46xx_resume, chip);
3911
3912         chip->active_ctrl(chip, -1); /* disable CLKRUN */
3913
3914         snd_card_set_dev(card, &pci->dev);
3915
3916         *rchip = chip;
3917         return 0;
3918 }