Merge head 'upstream' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev
[pandora-kernel.git] / sound / pci / emu10k1 / emu10k1_main.c
1 /*
2  *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>
3  *                   Creative Labs, Inc.
4  *  Routines for control of EMU10K1 chips
5  *
6  *  Copyright (c) by James Courtier-Dutton <James@superbug.demon.co.uk>
7  *      Added support for Audigy 2 Value.
8  *
9  *
10  *  BUGS:
11  *    --
12  *
13  *  TODO:
14  *    --
15  *
16  *   This program is free software; you can redistribute it and/or modify
17  *   it under the terms of the GNU General Public License as published by
18  *   the Free Software Foundation; either version 2 of the License, or
19  *   (at your option) any later version.
20  *
21  *   This program is distributed in the hope that it will be useful,
22  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
23  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
24  *   GNU General Public License for more details.
25  *
26  *   You should have received a copy of the GNU General Public License
27  *   along with this program; if not, write to the Free Software
28  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
29  *
30  */
31
32 #include <sound/driver.h>
33 #include <linux/delay.h>
34 #include <linux/init.h>
35 #include <linux/interrupt.h>
36 #include <linux/pci.h>
37 #include <linux/slab.h>
38 #include <linux/vmalloc.h>
39
40 #include <sound/core.h>
41 #include <sound/emu10k1.h>
42 #include "p16v.h"
43
44 #if 0
45 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>, Creative Labs, Inc.");
46 MODULE_DESCRIPTION("Routines for control of EMU10K1 chips");
47 MODULE_LICENSE("GPL");
48 #endif
49
50 /*************************************************************************
51  * EMU10K1 init / done
52  *************************************************************************/
53
54 void snd_emu10k1_voice_init(emu10k1_t * emu, int ch)
55 {
56         snd_emu10k1_ptr_write(emu, DCYSUSV, ch, 0);
57         snd_emu10k1_ptr_write(emu, IP, ch, 0);
58         snd_emu10k1_ptr_write(emu, VTFT, ch, 0xffff);
59         snd_emu10k1_ptr_write(emu, CVCF, ch, 0xffff);
60         snd_emu10k1_ptr_write(emu, PTRX, ch, 0);
61         snd_emu10k1_ptr_write(emu, CPF, ch, 0);
62         snd_emu10k1_ptr_write(emu, CCR, ch, 0);
63
64         snd_emu10k1_ptr_write(emu, PSST, ch, 0);
65         snd_emu10k1_ptr_write(emu, DSL, ch, 0x10);
66         snd_emu10k1_ptr_write(emu, CCCA, ch, 0);
67         snd_emu10k1_ptr_write(emu, Z1, ch, 0);
68         snd_emu10k1_ptr_write(emu, Z2, ch, 0);
69         snd_emu10k1_ptr_write(emu, FXRT, ch, 0x32100000);
70
71         snd_emu10k1_ptr_write(emu, ATKHLDM, ch, 0);
72         snd_emu10k1_ptr_write(emu, DCYSUSM, ch, 0);
73         snd_emu10k1_ptr_write(emu, IFATN, ch, 0xffff);
74         snd_emu10k1_ptr_write(emu, PEFE, ch, 0);
75         snd_emu10k1_ptr_write(emu, FMMOD, ch, 0);
76         snd_emu10k1_ptr_write(emu, TREMFRQ, ch, 24);    /* 1 Hz */
77         snd_emu10k1_ptr_write(emu, FM2FRQ2, ch, 24);    /* 1 Hz */
78         snd_emu10k1_ptr_write(emu, TEMPENV, ch, 0);
79
80         /*** these are last so OFF prevents writing ***/
81         snd_emu10k1_ptr_write(emu, LFOVAL2, ch, 0);
82         snd_emu10k1_ptr_write(emu, LFOVAL1, ch, 0);
83         snd_emu10k1_ptr_write(emu, ATKHLDV, ch, 0);
84         snd_emu10k1_ptr_write(emu, ENVVOL, ch, 0);
85         snd_emu10k1_ptr_write(emu, ENVVAL, ch, 0);
86
87         /* Audigy extra stuffs */
88         if (emu->audigy) {
89                 snd_emu10k1_ptr_write(emu, 0x4c, ch, 0); /* ?? */
90                 snd_emu10k1_ptr_write(emu, 0x4d, ch, 0); /* ?? */
91                 snd_emu10k1_ptr_write(emu, 0x4e, ch, 0); /* ?? */
92                 snd_emu10k1_ptr_write(emu, 0x4f, ch, 0); /* ?? */
93                 snd_emu10k1_ptr_write(emu, A_FXRT1, ch, 0x03020100);
94                 snd_emu10k1_ptr_write(emu, A_FXRT2, ch, 0x3f3f3f3f);
95                 snd_emu10k1_ptr_write(emu, A_SENDAMOUNTS, ch, 0);
96         }
97 }
98
99 static int __devinit snd_emu10k1_init(emu10k1_t * emu, int enable_ir)
100 {
101         int ch, idx, err;
102         unsigned int silent_page;
103
104         emu->fx8010.itram_size = (16 * 1024)/2;
105         emu->fx8010.etram_pages.area = NULL;
106         emu->fx8010.etram_pages.bytes = 0;
107
108         /* disable audio and lock cache */
109         outl(HCFG_LOCKSOUNDCACHE | HCFG_LOCKTANKCACHE_MASK | HCFG_MUTEBUTTONENABLE, emu->port + HCFG);
110
111         /* reset recording buffers */
112         snd_emu10k1_ptr_write(emu, MICBS, 0, ADCBS_BUFSIZE_NONE);
113         snd_emu10k1_ptr_write(emu, MICBA, 0, 0);
114         snd_emu10k1_ptr_write(emu, FXBS, 0, ADCBS_BUFSIZE_NONE);
115         snd_emu10k1_ptr_write(emu, FXBA, 0, 0);
116         snd_emu10k1_ptr_write(emu, ADCBS, 0, ADCBS_BUFSIZE_NONE);
117         snd_emu10k1_ptr_write(emu, ADCBA, 0, 0);
118
119         /* disable channel interrupt */
120         outl(0, emu->port + INTE);
121         snd_emu10k1_ptr_write(emu, CLIEL, 0, 0);
122         snd_emu10k1_ptr_write(emu, CLIEH, 0, 0);
123         snd_emu10k1_ptr_write(emu, SOLEL, 0, 0);
124         snd_emu10k1_ptr_write(emu, SOLEH, 0, 0);
125
126         if (emu->audigy){
127                 /* set SPDIF bypass mode */
128                 snd_emu10k1_ptr_write(emu, SPBYPASS, 0, SPBYPASS_FORMAT);
129                 /* enable rear left + rear right AC97 slots */
130                 snd_emu10k1_ptr_write(emu, AC97SLOT, 0, AC97SLOT_REAR_RIGHT | AC97SLOT_REAR_LEFT);
131         }
132
133         /* init envelope engine */
134         for (ch = 0; ch < NUM_G; ch++) {
135                 emu->voices[ch].emu = emu;
136                 emu->voices[ch].number = ch;
137                 snd_emu10k1_voice_init(emu, ch);
138         }
139
140         /*
141          *  Init to 0x02109204 :
142          *  Clock accuracy    = 0     (1000ppm)
143          *  Sample Rate       = 2     (48kHz)
144          *  Audio Channel     = 1     (Left of 2)
145          *  Source Number     = 0     (Unspecified)
146          *  Generation Status = 1     (Original for Cat Code 12)
147          *  Cat Code          = 12    (Digital Signal Mixer)
148          *  Mode              = 0     (Mode 0)
149          *  Emphasis          = 0     (None)
150          *  CP                = 1     (Copyright unasserted)
151          *  AN                = 0     (Audio data)
152          *  P                 = 0     (Consumer)
153          */
154         snd_emu10k1_ptr_write(emu, SPCS0, 0,
155                         emu->spdif_bits[0] =
156                         SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
157                         SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
158                         SPCS_GENERATIONSTATUS | 0x00001200 |
159                         0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
160         snd_emu10k1_ptr_write(emu, SPCS1, 0,
161                         emu->spdif_bits[1] =
162                         SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
163                         SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
164                         SPCS_GENERATIONSTATUS | 0x00001200 |
165                         0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
166         snd_emu10k1_ptr_write(emu, SPCS2, 0,
167                         emu->spdif_bits[2] =
168                         SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
169                         SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
170                         SPCS_GENERATIONSTATUS | 0x00001200 |
171                         0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
172
173         if (emu->card_capabilities->ca0151_chip) { /* audigy2 */
174                 /* Hacks for Alice3 to work independent of haP16V driver */
175                 u32 tmp;
176
177                 //Setup SRCMulti_I2S SamplingRate
178                 tmp = snd_emu10k1_ptr_read(emu, A_SPDIF_SAMPLERATE, 0);
179                 tmp &= 0xfffff1ff;
180                 tmp |= (0x2<<9);
181                 snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, 0, tmp);
182                 
183                 /* Setup SRCSel (Enable Spdif,I2S SRCMulti) */
184                 snd_emu10k1_ptr20_write(emu, SRCSel, 0, 0x14);
185                 /* Setup SRCMulti Input Audio Enable */
186                 /* Use 0xFFFFFFFF to enable P16V sounds. */
187                 snd_emu10k1_ptr20_write(emu, SRCMULTI_ENABLE, 0, 0xFFFFFFFF);
188
189                 /* Enabled Phased (8-channel) P16V playback */
190                 outl(0x0201, emu->port + HCFG2);
191                 /* Set playback routing. */
192                 snd_emu10k1_ptr20_write(emu, CAPTURE_P16V_SOURCE, 0, 0x78e4);
193         }
194         if (emu->card_capabilities->ca0108_chip) { /* audigy2 Value */
195                 /* Hacks for Alice3 to work independent of haP16V driver */
196                 u32 tmp;
197
198                 snd_printk(KERN_ERR "Audigy2 value:Special config.\n");
199                 //Setup SRCMulti_I2S SamplingRate
200                 tmp = snd_emu10k1_ptr_read(emu, A_SPDIF_SAMPLERATE, 0);
201                 tmp &= 0xfffff1ff;
202                 tmp |= (0x2<<9);
203                 snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, 0, tmp);
204
205                 /* Setup SRCSel (Enable Spdif,I2S SRCMulti) */
206                 outl(0x600000, emu->port + 0x20);
207                 outl(0x14, emu->port + 0x24);
208
209                 /* Setup SRCMulti Input Audio Enable */
210                 outl(0x7b0000, emu->port + 0x20);
211                 outl(0xFF000000, emu->port + 0x24);
212
213                 /* Setup SPDIF Out Audio Enable */
214                 /* The Audigy 2 Value has a separate SPDIF out,
215                  * so no need for a mixer switch
216                  */
217                 outl(0x7a0000, emu->port + 0x20);
218                 outl(0xFF000000, emu->port + 0x24);
219                 tmp = inl(emu->port + A_IOCFG) & ~0x8; /* Clear bit 3 */
220                 outl(tmp, emu->port + A_IOCFG);
221         }
222
223
224         /*
225          *  Clear page with silence & setup all pointers to this page
226          */
227         memset(emu->silent_page.area, 0, PAGE_SIZE);
228         silent_page = emu->silent_page.addr << 1;
229         for (idx = 0; idx < MAXPAGES; idx++)
230                 ((u32 *)emu->ptb_pages.area)[idx] = cpu_to_le32(silent_page | idx);
231         snd_emu10k1_ptr_write(emu, PTB, 0, emu->ptb_pages.addr);
232         snd_emu10k1_ptr_write(emu, TCB, 0, 0);  /* taken from original driver */
233         snd_emu10k1_ptr_write(emu, TCBS, 0, 4); /* taken from original driver */
234
235         silent_page = (emu->silent_page.addr << 1) | MAP_PTI_MASK;
236         for (ch = 0; ch < NUM_G; ch++) {
237                 snd_emu10k1_ptr_write(emu, MAPA, ch, silent_page);
238                 snd_emu10k1_ptr_write(emu, MAPB, ch, silent_page);
239         }
240
241         /*
242          *  Hokay, setup HCFG
243          *   Mute Disable Audio = 0
244          *   Lock Tank Memory = 1
245          *   Lock Sound Memory = 0
246          *   Auto Mute = 1
247          */
248         if (emu->audigy) {
249                 if (emu->revision == 4) /* audigy2 */
250                         outl(HCFG_AUDIOENABLE |
251                              HCFG_AC3ENABLE_CDSPDIF |
252                              HCFG_AC3ENABLE_GPSPDIF |
253                              HCFG_AUTOMUTE | HCFG_JOYENABLE, emu->port + HCFG);
254                 else
255                         outl(HCFG_AUTOMUTE | HCFG_JOYENABLE, emu->port + HCFG);
256         /* FIXME: Remove all these emu->model and replace it with a card recognition parameter,
257          * e.g. card_capabilities->joystick */
258         } else if (emu->model == 0x20 ||
259             emu->model == 0xc400 ||
260             (emu->model == 0x21 && emu->revision < 6))
261                 outl(HCFG_LOCKTANKCACHE_MASK | HCFG_AUTOMUTE, emu->port + HCFG);
262         else
263                 // With on-chip joystick
264                 outl(HCFG_LOCKTANKCACHE_MASK | HCFG_AUTOMUTE | HCFG_JOYENABLE, emu->port + HCFG);
265
266         if (enable_ir) {        /* enable IR for SB Live */
267                 if (emu->audigy) {
268                         unsigned int reg = inl(emu->port + A_IOCFG);
269                         outl(reg | A_IOCFG_GPOUT2, emu->port + A_IOCFG);
270                         udelay(500);
271                         outl(reg | A_IOCFG_GPOUT1 | A_IOCFG_GPOUT2, emu->port + A_IOCFG);
272                         udelay(100);
273                         outl(reg, emu->port + A_IOCFG);
274                 } else {
275                         unsigned int reg = inl(emu->port + HCFG);
276                         outl(reg | HCFG_GPOUT2, emu->port + HCFG);
277                         udelay(500);
278                         outl(reg | HCFG_GPOUT1 | HCFG_GPOUT2, emu->port + HCFG);
279                         udelay(100);
280                         outl(reg, emu->port + HCFG);
281                 }
282         }
283         
284         if (emu->audigy) {      /* enable analog output */
285                 unsigned int reg = inl(emu->port + A_IOCFG);
286                 outl(reg | A_IOCFG_GPOUT0, emu->port + A_IOCFG);
287         }
288
289         /*
290          *  Initialize the effect engine
291          */
292         if ((err = snd_emu10k1_init_efx(emu)) < 0)
293                 return err;
294
295         /*
296          *  Enable the audio bit
297          */
298         outl(inl(emu->port + HCFG) | HCFG_AUDIOENABLE, emu->port + HCFG);
299
300         /* Enable analog/digital outs on audigy */
301         if (emu->audigy) {
302                 outl(inl(emu->port + A_IOCFG) & ~0x44, emu->port + A_IOCFG);
303  
304                 if (emu->card_capabilities->ca0151_chip) { /* audigy2 */
305                         /* Unmute Analog now.  Set GPO6 to 1 for Apollo.
306                          * This has to be done after init ALice3 I2SOut beyond 48KHz.
307                          * So, sequence is important. */
308                         outl(inl(emu->port + A_IOCFG) | 0x0040, emu->port + A_IOCFG);
309                 } else if (emu->card_capabilities->ca0108_chip) { /* audigy2 value */
310                         /* Unmute Analog now. */
311                         outl(inl(emu->port + A_IOCFG) | 0x0060, emu->port + A_IOCFG);
312                 } else {
313                         /* Disable routing from AC97 line out to Front speakers */
314                         outl(inl(emu->port + A_IOCFG) | 0x0080, emu->port + A_IOCFG);
315                 }
316         }
317         
318 #if 0
319         {
320         unsigned int tmp;
321         /* FIXME: the following routine disables LiveDrive-II !! */
322         // TOSLink detection
323         emu->tos_link = 0;
324         tmp = inl(emu->port + HCFG);
325         if (tmp & (HCFG_GPINPUT0 | HCFG_GPINPUT1)) {
326                 outl(tmp|0x800, emu->port + HCFG);
327                 udelay(50);
328                 if (tmp != (inl(emu->port + HCFG) & ~0x800)) {
329                         emu->tos_link = 1;
330                         outl(tmp, emu->port + HCFG);
331                 }
332         }
333         }
334 #endif
335
336         snd_emu10k1_intr_enable(emu, INTE_PCIERRORENABLE);
337
338         emu->reserved_page = (emu10k1_memblk_t *)snd_emu10k1_synth_alloc(emu, 4096);
339         if (emu->reserved_page)
340                 emu->reserved_page->map_locked = 1;
341         
342         return 0;
343 }
344
345 static int snd_emu10k1_done(emu10k1_t * emu)
346 {
347         int ch;
348
349         outl(0, emu->port + INTE);
350
351         /*
352          *  Shutdown the chip
353          */
354         for (ch = 0; ch < NUM_G; ch++)
355                 snd_emu10k1_ptr_write(emu, DCYSUSV, ch, 0);
356         for (ch = 0; ch < NUM_G; ch++) {
357                 snd_emu10k1_ptr_write(emu, VTFT, ch, 0);
358                 snd_emu10k1_ptr_write(emu, CVCF, ch, 0);
359                 snd_emu10k1_ptr_write(emu, PTRX, ch, 0);
360                 snd_emu10k1_ptr_write(emu, CPF, ch, 0);
361         }
362
363         /* reset recording buffers */
364         snd_emu10k1_ptr_write(emu, MICBS, 0, 0);
365         snd_emu10k1_ptr_write(emu, MICBA, 0, 0);
366         snd_emu10k1_ptr_write(emu, FXBS, 0, 0);
367         snd_emu10k1_ptr_write(emu, FXBA, 0, 0);
368         snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
369         snd_emu10k1_ptr_write(emu, ADCBS, 0, ADCBS_BUFSIZE_NONE);
370         snd_emu10k1_ptr_write(emu, ADCBA, 0, 0);
371         snd_emu10k1_ptr_write(emu, TCBS, 0, TCBS_BUFFSIZE_16K);
372         snd_emu10k1_ptr_write(emu, TCB, 0, 0);
373         if (emu->audigy)
374                 snd_emu10k1_ptr_write(emu, A_DBG, 0, A_DBG_SINGLE_STEP);
375         else
376                 snd_emu10k1_ptr_write(emu, DBG, 0, EMU10K1_DBG_SINGLE_STEP);
377
378         /* disable channel interrupt */
379         snd_emu10k1_ptr_write(emu, CLIEL, 0, 0);
380         snd_emu10k1_ptr_write(emu, CLIEH, 0, 0);
381         snd_emu10k1_ptr_write(emu, SOLEL, 0, 0);
382         snd_emu10k1_ptr_write(emu, SOLEH, 0, 0);
383
384         /* remove reserved page */
385         if (emu->reserved_page != NULL) {
386                 snd_emu10k1_synth_free(emu, (snd_util_memblk_t *)emu->reserved_page);
387                 emu->reserved_page = NULL;
388         }
389
390         /* disable audio and lock cache */
391         outl(HCFG_LOCKSOUNDCACHE | HCFG_LOCKTANKCACHE_MASK | HCFG_MUTEBUTTONENABLE, emu->port + HCFG);
392         snd_emu10k1_ptr_write(emu, PTB, 0, 0);
393
394         snd_emu10k1_free_efx(emu);
395
396         return 0;
397 }
398
399 /*************************************************************************
400  * ECARD functional implementation
401  *************************************************************************/
402
403 /* In A1 Silicon, these bits are in the HC register */
404 #define HOOKN_BIT               (1L << 12)
405 #define HANDN_BIT               (1L << 11)
406 #define PULSEN_BIT              (1L << 10)
407
408 #define EC_GDI1                 (1 << 13)
409 #define EC_GDI0                 (1 << 14)
410
411 #define EC_NUM_CONTROL_BITS     20
412
413 #define EC_AC3_DATA_SELN        0x0001L
414 #define EC_EE_DATA_SEL          0x0002L
415 #define EC_EE_CNTRL_SELN        0x0004L
416 #define EC_EECLK                0x0008L
417 #define EC_EECS                 0x0010L
418 #define EC_EESDO                0x0020L
419 #define EC_TRIM_CSN             0x0040L
420 #define EC_TRIM_SCLK            0x0080L
421 #define EC_TRIM_SDATA           0x0100L
422 #define EC_TRIM_MUTEN           0x0200L
423 #define EC_ADCCAL               0x0400L
424 #define EC_ADCRSTN              0x0800L
425 #define EC_DACCAL               0x1000L
426 #define EC_DACMUTEN             0x2000L
427 #define EC_LEDN                 0x4000L
428
429 #define EC_SPDIF0_SEL_SHIFT     15
430 #define EC_SPDIF1_SEL_SHIFT     17
431 #define EC_SPDIF0_SEL_MASK      (0x3L << EC_SPDIF0_SEL_SHIFT)
432 #define EC_SPDIF1_SEL_MASK      (0x7L << EC_SPDIF1_SEL_SHIFT)
433 #define EC_SPDIF0_SELECT(_x)    (((_x) << EC_SPDIF0_SEL_SHIFT) & EC_SPDIF0_SEL_MASK)
434 #define EC_SPDIF1_SELECT(_x)    (((_x) << EC_SPDIF1_SEL_SHIFT) & EC_SPDIF1_SEL_MASK)
435 #define EC_CURRENT_PROM_VERSION 0x01    /* Self-explanatory.  This should
436                                          * be incremented any time the EEPROM's
437                                          * format is changed.  */
438
439 #define EC_EEPROM_SIZE          0x40    /* ECARD EEPROM has 64 16-bit words */
440
441 /* Addresses for special values stored in to EEPROM */
442 #define EC_PROM_VERSION_ADDR    0x20    /* Address of the current prom version */
443 #define EC_BOARDREV0_ADDR       0x21    /* LSW of board rev */
444 #define EC_BOARDREV1_ADDR       0x22    /* MSW of board rev */
445
446 #define EC_LAST_PROMFILE_ADDR   0x2f
447
448 #define EC_SERIALNUM_ADDR       0x30    /* First word of serial number.  The 
449                                          * can be up to 30 characters in length
450                                          * and is stored as a NULL-terminated
451                                          * ASCII string.  Any unused bytes must be
452                                          * filled with zeros */
453 #define EC_CHECKSUM_ADDR        0x3f    /* Location at which checksum is stored */
454
455
456 /* Most of this stuff is pretty self-evident.  According to the hardware 
457  * dudes, we need to leave the ADCCAL bit low in order to avoid a DC 
458  * offset problem.  Weird.
459  */
460 #define EC_RAW_RUN_MODE         (EC_DACMUTEN | EC_ADCRSTN | EC_TRIM_MUTEN | \
461                                  EC_TRIM_CSN)
462
463
464 #define EC_DEFAULT_ADC_GAIN     0xC4C4
465 #define EC_DEFAULT_SPDIF0_SEL   0x0
466 #define EC_DEFAULT_SPDIF1_SEL   0x4
467
468 /**************************************************************************
469  * @func Clock bits into the Ecard's control latch.  The Ecard uses a
470  *  control latch will is loaded bit-serially by toggling the Modem control
471  *  lines from function 2 on the E8010.  This function hides these details
472  *  and presents the illusion that we are actually writing to a distinct
473  *  register.
474  */
475
476 static void snd_emu10k1_ecard_write(emu10k1_t * emu, unsigned int value)
477 {
478         unsigned short count;
479         unsigned int data;
480         unsigned long hc_port;
481         unsigned int hc_value;
482
483         hc_port = emu->port + HCFG;
484         hc_value = inl(hc_port) & ~(HOOKN_BIT | HANDN_BIT | PULSEN_BIT);
485         outl(hc_value, hc_port);
486
487         for (count = 0; count < EC_NUM_CONTROL_BITS; count++) {
488
489                 /* Set up the value */
490                 data = ((value & 0x1) ? PULSEN_BIT : 0);
491                 value >>= 1;
492
493                 outl(hc_value | data, hc_port);
494
495                 /* Clock the shift register */
496                 outl(hc_value | data | HANDN_BIT, hc_port);
497                 outl(hc_value | data, hc_port);
498         }
499
500         /* Latch the bits */
501         outl(hc_value | HOOKN_BIT, hc_port);
502         outl(hc_value, hc_port);
503 }
504
505 /**************************************************************************
506  * @func Set the gain of the ECARD's CS3310 Trim/gain controller.  The
507  * trim value consists of a 16bit value which is composed of two
508  * 8 bit gain/trim values, one for the left channel and one for the
509  * right channel.  The following table maps from the Gain/Attenuation
510  * value in decibels into the corresponding bit pattern for a single
511  * channel.
512  */
513
514 static void snd_emu10k1_ecard_setadcgain(emu10k1_t * emu,
515                                          unsigned short gain)
516 {
517         unsigned int bit;
518
519         /* Enable writing to the TRIM registers */
520         snd_emu10k1_ecard_write(emu, emu->ecard_ctrl & ~EC_TRIM_CSN);
521
522         /* Do it again to insure that we meet hold time requirements */
523         snd_emu10k1_ecard_write(emu, emu->ecard_ctrl & ~EC_TRIM_CSN);
524
525         for (bit = (1 << 15); bit; bit >>= 1) {
526                 unsigned int value;
527                 
528                 value = emu->ecard_ctrl & ~(EC_TRIM_CSN | EC_TRIM_SDATA);
529
530                 if (gain & bit)
531                         value |= EC_TRIM_SDATA;
532
533                 /* Clock the bit */
534                 snd_emu10k1_ecard_write(emu, value);
535                 snd_emu10k1_ecard_write(emu, value | EC_TRIM_SCLK);
536                 snd_emu10k1_ecard_write(emu, value);
537         }
538
539         snd_emu10k1_ecard_write(emu, emu->ecard_ctrl);
540 }
541
542 static int __devinit snd_emu10k1_ecard_init(emu10k1_t * emu)
543 {
544         unsigned int hc_value;
545
546         /* Set up the initial settings */
547         emu->ecard_ctrl = EC_RAW_RUN_MODE |
548                           EC_SPDIF0_SELECT(EC_DEFAULT_SPDIF0_SEL) |
549                           EC_SPDIF1_SELECT(EC_DEFAULT_SPDIF1_SEL);
550
551         /* Step 0: Set the codec type in the hardware control register 
552          * and enable audio output */
553         hc_value = inl(emu->port + HCFG);
554         outl(hc_value | HCFG_AUDIOENABLE | HCFG_CODECFORMAT_I2S, emu->port + HCFG);
555         inl(emu->port + HCFG);
556
557         /* Step 1: Turn off the led and deassert TRIM_CS */
558         snd_emu10k1_ecard_write(emu, EC_ADCCAL | EC_LEDN | EC_TRIM_CSN);
559
560         /* Step 2: Calibrate the ADC and DAC */
561         snd_emu10k1_ecard_write(emu, EC_DACCAL | EC_LEDN | EC_TRIM_CSN);
562
563         /* Step 3: Wait for awhile;   XXX We can't get away with this
564          * under a real operating system; we'll need to block and wait that
565          * way. */
566         snd_emu10k1_wait(emu, 48000);
567
568         /* Step 4: Switch off the DAC and ADC calibration.  Note
569          * That ADC_CAL is actually an inverted signal, so we assert
570          * it here to stop calibration.  */
571         snd_emu10k1_ecard_write(emu, EC_ADCCAL | EC_LEDN | EC_TRIM_CSN);
572
573         /* Step 4: Switch into run mode */
574         snd_emu10k1_ecard_write(emu, emu->ecard_ctrl);
575
576         /* Step 5: Set the analog input gain */
577         snd_emu10k1_ecard_setadcgain(emu, EC_DEFAULT_ADC_GAIN);
578
579         return 0;
580 }
581
582 /*
583  *  Create the EMU10K1 instance
584  */
585
586 static int snd_emu10k1_free(emu10k1_t *emu)
587 {
588         if (emu->port) {        /* avoid access to already used hardware */
589                 snd_emu10k1_fx8010_tram_setup(emu, 0);
590                 snd_emu10k1_done(emu);
591         }
592         if (emu->memhdr)
593                 snd_util_memhdr_free(emu->memhdr);
594         if (emu->silent_page.area)
595                 snd_dma_free_pages(&emu->silent_page);
596         if (emu->ptb_pages.area)
597                 snd_dma_free_pages(&emu->ptb_pages);
598         vfree(emu->page_ptr_table);
599         vfree(emu->page_addr_table);
600         if (emu->irq >= 0)
601                 free_irq(emu->irq, (void *)emu);
602         if (emu->port)
603                 pci_release_regions(emu->pci);
604         pci_disable_device(emu->pci);
605         if (emu->card_capabilities->ca0151_chip) /* P16V */     
606                 snd_p16v_free(emu);
607         kfree(emu);
608         return 0;
609 }
610
611 static int snd_emu10k1_dev_free(snd_device_t *device)
612 {
613         emu10k1_t *emu = device->device_data;
614         return snd_emu10k1_free(emu);
615 }
616
617 static emu_chip_details_t emu_chip_details[] = {
618         /* Audigy 2 Value AC3 out does not work yet. Need to find out how to turn off interpolators.*/
619         /* Tested by James@superbug.co.uk 3rd July 2005 */
620         {.vendor = 0x1102, .device = 0x0008, .subsystem = 0x10011102,
621          .driver = "Audigy2", .name = "Audigy 2 Value [SB0400]", 
622          .id = "Audigy2",
623          .emu10k2_chip = 1,
624          .ca0108_chip = 1,
625          .spk71 = 1,
626          .ac97_chip = 1} ,
627         {.vendor = 0x1102, .device = 0x0008, 
628          .driver = "Audigy2", .name = "Audigy 2 Value [Unknown]", 
629          .id = "Audigy2",
630          .emu10k2_chip = 1,
631          .ca0108_chip = 1,
632          .ac97_chip = 1} ,
633         /* Tested by James@superbug.co.uk 8th July 2005. No sound available yet. */
634         {.vendor = 0x1102, .device = 0x0004, .subsystem = 0x40011102,
635          .driver = "Audigy2", .name = "E-mu 1212m [4001]", 
636          .id = "EMU1212m",
637          .emu10k2_chip = 1,
638          .ca0102_chip = 1,
639          .ecard = 1} ,
640         /* Tested by James@superbug.co.uk 3rd July 2005 */
641         {.vendor = 0x1102, .device = 0x0004, .subsystem = 0x20071102,
642          .driver = "Audigy2", .name = "Audigy 4 PRO [SB0380]", 
643          .id = "Audigy2",
644          .emu10k2_chip = 1,
645          .ca0102_chip = 1,
646          .ca0151_chip = 1,
647          .spk71 = 1,
648          .spdif_bug = 1,
649          .ac97_chip = 1} ,
650         {.vendor = 0x1102, .device = 0x0004, .subsystem = 0x20021102,
651          .driver = "Audigy2", .name = "Audigy 2 ZS [SB0350]", 
652          .id = "Audigy2",
653          .emu10k2_chip = 1,
654          .ca0102_chip = 1,
655          .ca0151_chip = 1,
656          .spk71 = 1,
657          .spdif_bug = 1,
658          .ac97_chip = 1} ,
659         {.vendor = 0x1102, .device = 0x0004, .subsystem = 0x20011102,
660          .driver = "Audigy2", .name = "Audigy 2 ZS [2001]", 
661          .id = "Audigy2",
662          .emu10k2_chip = 1,
663          .ca0102_chip = 1,
664          .ca0151_chip = 1,
665          .spk71 = 1,
666          .spdif_bug = 1,
667          .ac97_chip = 1} ,
668         {.vendor = 0x1102, .device = 0x0004, .subsystem = 0x10071102,
669          .driver = "Audigy2", .name = "Audigy 2 [SB0240]", 
670          .id = "Audigy2",
671          .emu10k2_chip = 1,
672          .ca0102_chip = 1,
673          .ca0151_chip = 1,
674          .spk71 = 1,
675          .spdif_bug = 1,
676          .ac97_chip = 1} ,
677         {.vendor = 0x1102, .device = 0x0004, .subsystem = 0x10051102,
678          .driver = "Audigy2", .name = "Audigy 2 EX [1005]", 
679          .id = "Audigy2",
680          .emu10k2_chip = 1,
681          .ca0102_chip = 1,
682          .ca0151_chip = 1,
683          .spdif_bug = 1} ,
684         {.vendor = 0x1102, .device = 0x0004, .subsystem = 0x10021102,
685          .driver = "Audigy2", .name = "Audigy 2 Platinum [SB0240P]", 
686          .id = "Audigy2",
687          .emu10k2_chip = 1,
688          .ca0102_chip = 1,
689          .ca0151_chip = 1,
690          .spk71 = 1,
691          .spdif_bug = 1,
692          .ac97_chip = 1} ,
693         {.vendor = 0x1102, .device = 0x0004, .revision = 0x04,
694          .driver = "Audigy2", .name = "Audigy 2 [Unknown]",
695          .id = "Audigy2",
696          .emu10k2_chip = 1,
697          .ca0102_chip = 1,
698          .ca0151_chip = 1,
699          .spdif_bug = 1,
700          .ac97_chip = 1} ,
701         {.vendor = 0x1102, .device = 0x0004, .subsystem = 0x00531102,
702          .driver = "Audigy", .name = "Audigy 1 [SB0090]", 
703          .id = "Audigy",
704          .emu10k2_chip = 1,
705          .ca0102_chip = 1,
706          .ac97_chip = 1} ,
707         {.vendor = 0x1102, .device = 0x0004, .subsystem = 0x00521102,
708          .driver = "Audigy", .name = "Audigy 1 ES [SB0160]", 
709          .id = "Audigy",
710          .emu10k2_chip = 1,
711          .ca0102_chip = 1,
712          .spdif_bug = 1,
713          .ac97_chip = 1} ,
714         {.vendor = 0x1102, .device = 0x0004, .subsystem = 0x00511102,
715          .driver = "Audigy", .name = "Audigy 1 [SB0090]", 
716          .id = "Audigy",
717          .emu10k2_chip = 1,
718          .ca0102_chip = 1,
719          .ac97_chip = 1} ,
720         {.vendor = 0x1102, .device = 0x0004,
721          .driver = "Audigy", .name = "Audigy 1 [Unknown]", 
722          .id = "Audigy",
723          .emu10k2_chip = 1,
724          .ca0102_chip = 1,
725          .ac97_chip = 1} ,
726         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x806B1102,
727          .driver = "EMU10K1", .name = "SBLive! [SB0105]", 
728          .id = "Live",
729          .emu10k1_chip = 1,
730          .ac97_chip = 1,
731          .sblive51 = 1} ,
732         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x806A1102,
733          .driver = "EMU10K1", .name = "SBLive! Value [SB0103]", 
734          .id = "Live",
735          .emu10k1_chip = 1,
736          .ac97_chip = 1,
737          .sblive51 = 1} ,
738         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80691102,
739          .driver = "EMU10K1", .name = "SBLive! Value [SB0101]", 
740          .id = "Live",
741          .emu10k1_chip = 1,
742          .ac97_chip = 1,
743          .sblive51 = 1} ,
744         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80641102,
745          .driver = "EMU10K1", .name = "SB Live 5.1", 
746          .id = "Live",
747          .emu10k1_chip = 1,
748          .ac97_chip = 1,
749          .sblive51 = 1} ,
750         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80611102,
751          .driver = "EMU10K1", .name = "SBLive! Player 5.1 [SB0060]", 
752          .id = "Live",
753          .emu10k1_chip = 1,
754          .ac97_chip = 1,
755          .sblive51 = 1} ,
756         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80511102,
757          .driver = "EMU10K1", .name = "SBLive! Value [CT4850]", 
758          .id = "Live",
759          .emu10k1_chip = 1,
760          .ac97_chip = 1,
761          .sblive51 = 1} ,
762         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80401102,
763          .driver = "EMU10K1", .name = "SBLive! Platinum [CT4760P]", 
764          .id = "Live",
765          .emu10k1_chip = 1,
766          .ac97_chip = 1} ,
767         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80321102,
768          .driver = "EMU10K1", .name = "SBLive! Value [CT4871]", 
769          .id = "Live",
770          .emu10k1_chip = 1,
771          .ac97_chip = 1,
772          .sblive51 = 1} ,
773         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80311102,
774          .driver = "EMU10K1", .name = "SBLive! Value [CT4831]", 
775          .id = "Live",
776          .emu10k1_chip = 1,
777          .ac97_chip = 1,
778          .sblive51 = 1} ,
779         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80281102,
780          .driver = "EMU10K1", .name = "SBLive! Value [CT4870]", 
781          .id = "Live",
782          .emu10k1_chip = 1,
783          .ac97_chip = 1,
784          .sblive51 = 1} ,
785         /* Tested by James@superbug.co.uk 3rd July 2005 */
786         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80271102,
787          .driver = "EMU10K1", .name = "SBLive! Value [CT4832]", 
788          .id = "Live",
789          .emu10k1_chip = 1,
790          .ac97_chip = 1,
791          .sblive51 = 1} ,
792         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80261102,
793          .driver = "EMU10K1", .name = "SBLive! Value [CT4830]", 
794          .id = "Live",
795          .emu10k1_chip = 1,
796          .ac97_chip = 1,
797          .sblive51 = 1} ,
798         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80231102,
799          .driver = "EMU10K1", .name = "SB PCI512 [CT4790]", 
800          .id = "Live",
801          .emu10k1_chip = 1,
802          .ac97_chip = 1,
803          .sblive51 = 1} ,
804         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80221102,
805          .driver = "EMU10K1", .name = "SBLive! Value [CT4780]", 
806          .id = "Live",
807          .emu10k1_chip = 1,
808          .ac97_chip = 1,
809          .sblive51 = 1} ,
810         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x40011102,
811          .driver = "EMU10K1", .name = "E-mu APS [4001]", 
812          .id = "APS",
813          .emu10k1_chip = 1,
814          .ecard = 1} ,
815         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x00211102,
816          .driver = "EMU10K1", .name = "SBLive! [CT4620]", 
817          .id = "Live",
818          .emu10k1_chip = 1,
819          .ac97_chip = 1,
820          .sblive51 = 1} ,
821         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x00201102,
822          .driver = "EMU10K1", .name = "SBLive! Value [CT4670]", 
823          .id = "Live",
824          .emu10k1_chip = 1,
825          .ac97_chip = 1,
826          .sblive51 = 1} ,
827         {.vendor = 0x1102, .device = 0x0002,
828          .driver = "EMU10K1", .name = "SB Live [Unknown]", 
829          .id = "Live",
830          .emu10k1_chip = 1,
831          .ac97_chip = 1,
832          .sblive51 = 1} ,
833         { } /* terminator */
834 };
835
836 int __devinit snd_emu10k1_create(snd_card_t * card,
837                        struct pci_dev * pci,
838                        unsigned short extin_mask,
839                        unsigned short extout_mask,
840                        long max_cache_bytes,
841                        int enable_ir,
842                        uint subsystem,
843                        emu10k1_t ** remu)
844 {
845         emu10k1_t *emu;
846         int err;
847         int is_audigy;
848         unsigned char revision;
849         const emu_chip_details_t *c;
850         static snd_device_ops_t ops = {
851                 .dev_free =     snd_emu10k1_dev_free,
852         };
853         
854         *remu = NULL;
855
856         /* enable PCI device */
857         if ((err = pci_enable_device(pci)) < 0)
858                 return err;
859
860         emu = kcalloc(1, sizeof(*emu), GFP_KERNEL);
861         if (emu == NULL) {
862                 pci_disable_device(pci);
863                 return -ENOMEM;
864         }
865         emu->card = card;
866         spin_lock_init(&emu->reg_lock);
867         spin_lock_init(&emu->emu_lock);
868         spin_lock_init(&emu->voice_lock);
869         spin_lock_init(&emu->synth_lock);
870         spin_lock_init(&emu->memblk_lock);
871         init_MUTEX(&emu->ptb_lock);
872         init_MUTEX(&emu->fx8010.lock);
873         INIT_LIST_HEAD(&emu->mapped_link_head);
874         INIT_LIST_HEAD(&emu->mapped_order_link_head);
875         emu->pci = pci;
876         emu->irq = -1;
877         emu->synth = NULL;
878         emu->get_synth_voice = NULL;
879         /* read revision & serial */
880         pci_read_config_byte(pci, PCI_REVISION_ID, &revision);
881         emu->revision = revision;
882         pci_read_config_dword(pci, PCI_SUBSYSTEM_VENDOR_ID, &emu->serial);
883         pci_read_config_word(pci, PCI_SUBSYSTEM_ID, &emu->model);
884         snd_printdd("vendor=0x%x, device=0x%x, subsystem_vendor_id=0x%x, subsystem_id=0x%x\n",pci->vendor, pci->device, emu->serial, emu->model);
885
886         for (c = emu_chip_details; c->vendor; c++) {
887                 if (c->vendor == pci->vendor && c->device == pci->device) {
888                         if (subsystem) {
889                                 if (c->subsystem && (c->subsystem == subsystem) ) {
890                                         break;
891                                 } else continue;
892                         } else {
893                                 if (c->subsystem && (c->subsystem != emu->serial) )
894                                         continue;
895                                 if (c->revision && c->revision != emu->revision)
896                                         continue;
897                         }
898                         break;
899                 }
900         }
901         if (c->vendor == 0) {
902                 snd_printk(KERN_ERR "emu10k1: Card not recognised\n");
903                 kfree(emu);
904                 pci_disable_device(pci);
905                 return -ENOENT;
906         }
907         emu->card_capabilities = c;
908         if (c->subsystem && !subsystem)
909                 snd_printdd("Sound card name=%s\n", c->name);
910         else if (subsystem) 
911                 snd_printdd("Sound card name=%s, vendor=0x%x, device=0x%x, subsystem=0x%x. Forced to subsytem=0x%x\n",
912                         c->name, pci->vendor, pci->device, emu->serial, c->subsystem);
913         else 
914                 snd_printdd("Sound card name=%s, vendor=0x%x, device=0x%x, subsystem=0x%x.\n",
915                         c->name, pci->vendor, pci->device, emu->serial);
916         
917         if (!*card->id && c->id) {
918                 int i, n = 0;
919                 strlcpy(card->id, c->id, sizeof(card->id));
920                 for (;;) {
921                         for (i = 0; i < snd_ecards_limit; i++) {
922                                 if (snd_cards[i] && !strcmp(snd_cards[i]->id, card->id))
923                                         break;
924                         }
925                         if (i >= snd_ecards_limit)
926                                 break;
927                         n++;
928                         if (n >= SNDRV_CARDS)
929                                 break;
930                         snprintf(card->id, sizeof(card->id), "%s_%d", c->id, n);
931                 }
932         }
933
934         is_audigy = emu->audigy = c->emu10k2_chip;
935
936         /* set the DMA transfer mask */
937         emu->dma_mask = is_audigy ? AUDIGY_DMA_MASK : EMU10K1_DMA_MASK;
938         if (pci_set_dma_mask(pci, emu->dma_mask) < 0 ||
939             pci_set_consistent_dma_mask(pci, emu->dma_mask) < 0) {
940                 snd_printk(KERN_ERR "architecture does not support PCI busmaster DMA with mask 0x%lx\n", emu->dma_mask);
941                 kfree(emu);
942                 pci_disable_device(pci);
943                 return -ENXIO;
944         }
945         if (is_audigy)
946                 emu->gpr_base = A_FXGPREGBASE;
947         else
948                 emu->gpr_base = FXGPREGBASE;
949
950         if ((err = pci_request_regions(pci, "EMU10K1")) < 0) {
951                 kfree(emu);
952                 pci_disable_device(pci);
953                 return err;
954         }
955         emu->port = pci_resource_start(pci, 0);
956
957         if (request_irq(pci->irq, snd_emu10k1_interrupt, SA_INTERRUPT|SA_SHIRQ, "EMU10K1", (void *)emu)) {
958                 snd_emu10k1_free(emu);
959                 return -EBUSY;
960         }
961         emu->irq = pci->irq;
962
963         emu->max_cache_pages = max_cache_bytes >> PAGE_SHIFT;
964         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
965                                 32 * 1024, &emu->ptb_pages) < 0) {
966                 snd_emu10k1_free(emu);
967                 return -ENOMEM;
968         }
969
970         emu->page_ptr_table = (void **)vmalloc(emu->max_cache_pages * sizeof(void*));
971         emu->page_addr_table = (unsigned long*)vmalloc(emu->max_cache_pages * sizeof(unsigned long));
972         if (emu->page_ptr_table == NULL || emu->page_addr_table == NULL) {
973                 snd_emu10k1_free(emu);
974                 return -ENOMEM;
975         }
976
977         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
978                                 EMUPAGESIZE, &emu->silent_page) < 0) {
979                 snd_emu10k1_free(emu);
980                 return -ENOMEM;
981         }
982         emu->memhdr = snd_util_memhdr_new(emu->max_cache_pages * PAGE_SIZE);
983         if (emu->memhdr == NULL) {
984                 snd_emu10k1_free(emu);
985                 return -ENOMEM;
986         }
987         emu->memhdr->block_extra_size = sizeof(emu10k1_memblk_t) - sizeof(snd_util_memblk_t);
988
989         pci_set_master(pci);
990
991         emu->fx8010.fxbus_mask = 0x303f;
992         if (extin_mask == 0)
993                 extin_mask = 0x3fcf;
994         if (extout_mask == 0)
995                 extout_mask = 0x7fff;
996         emu->fx8010.extin_mask = extin_mask;
997         emu->fx8010.extout_mask = extout_mask;
998
999         if (emu->card_capabilities->ecard) {
1000                 if ((err = snd_emu10k1_ecard_init(emu)) < 0) {
1001                         snd_emu10k1_free(emu);
1002                         return err;
1003                 }
1004         } else {
1005                 /* 5.1: Enable the additional AC97 Slots. If the emu10k1 version
1006                         does not support this, it shouldn't do any harm */
1007                 snd_emu10k1_ptr_write(emu, AC97SLOT, 0, AC97SLOT_CNTR|AC97SLOT_LFE);
1008         }
1009
1010         if ((err = snd_emu10k1_init(emu, enable_ir)) < 0) {
1011                 snd_emu10k1_free(emu);
1012                 return err;
1013         }
1014
1015         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, emu, &ops)) < 0) {
1016                 snd_emu10k1_free(emu);
1017                 return err;
1018         }
1019
1020         snd_emu10k1_proc_init(emu);
1021
1022         snd_card_set_dev(card, &pci->dev);
1023         *remu = emu;
1024         return 0;
1025 }
1026
1027 /* memory.c */
1028 EXPORT_SYMBOL(snd_emu10k1_synth_alloc);
1029 EXPORT_SYMBOL(snd_emu10k1_synth_free);
1030 EXPORT_SYMBOL(snd_emu10k1_synth_bzero);
1031 EXPORT_SYMBOL(snd_emu10k1_synth_copy_from_user);
1032 EXPORT_SYMBOL(snd_emu10k1_memblk_map);
1033 /* voice.c */
1034 EXPORT_SYMBOL(snd_emu10k1_voice_alloc);
1035 EXPORT_SYMBOL(snd_emu10k1_voice_free);
1036 /* io.c */
1037 EXPORT_SYMBOL(snd_emu10k1_ptr_read);
1038 EXPORT_SYMBOL(snd_emu10k1_ptr_write);