Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
[linux-2.6/mini2440.git] / sound / pci / trident / trident_main.c
blob71138ff9b310237faedee66ea9a0445994bbb0a2
1 /*
2 * Maintained by Jaroslav Kysela <perex@perex.cz>
3 * Originated by audio@tridentmicro.com
4 * Fri Feb 19 15:55:28 MST 1999
5 * Routines for control of Trident 4DWave (DX and NX) chip
7 * BUGS:
9 * TODO:
10 * ---
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 * SiS7018 S/PDIF support by Thomas Winischhofer <thomas@winischhofer.net>
30 #include <linux/delay.h>
31 #include <linux/init.h>
32 #include <linux/interrupt.h>
33 #include <linux/pci.h>
34 #include <linux/slab.h>
35 #include <linux/vmalloc.h>
36 #include <linux/gameport.h>
37 #include <linux/dma-mapping.h>
39 #include <sound/core.h>
40 #include <sound/info.h>
41 #include <sound/control.h>
42 #include <sound/tlv.h>
43 #include <sound/trident.h>
44 #include <sound/asoundef.h>
46 #include <asm/io.h>
48 static int snd_trident_pcm_mixer_build(struct snd_trident *trident,
49 struct snd_trident_voice * voice,
50 struct snd_pcm_substream *substream);
51 static int snd_trident_pcm_mixer_free(struct snd_trident *trident,
52 struct snd_trident_voice * voice,
53 struct snd_pcm_substream *substream);
54 static irqreturn_t snd_trident_interrupt(int irq, void *dev_id);
55 static int snd_trident_sis_reset(struct snd_trident *trident);
57 static void snd_trident_clear_voices(struct snd_trident * trident,
58 unsigned short v_min, unsigned short v_max);
59 static int snd_trident_free(struct snd_trident *trident);
62 * common I/O routines
66 #if 0
67 static void snd_trident_print_voice_regs(struct snd_trident *trident, int voice)
69 unsigned int val, tmp;
71 printk("Trident voice %i:\n", voice);
72 outb(voice, TRID_REG(trident, T4D_LFO_GC_CIR));
73 val = inl(TRID_REG(trident, CH_LBA));
74 printk("LBA: 0x%x\n", val);
75 val = inl(TRID_REG(trident, CH_GVSEL_PAN_VOL_CTRL_EC));
76 printk("GVSel: %i\n", val >> 31);
77 printk("Pan: 0x%x\n", (val >> 24) & 0x7f);
78 printk("Vol: 0x%x\n", (val >> 16) & 0xff);
79 printk("CTRL: 0x%x\n", (val >> 12) & 0x0f);
80 printk("EC: 0x%x\n", val & 0x0fff);
81 if (trident->device != TRIDENT_DEVICE_ID_NX) {
82 val = inl(TRID_REG(trident, CH_DX_CSO_ALPHA_FMS));
83 printk("CSO: 0x%x\n", val >> 16);
84 printk("Alpha: 0x%x\n", (val >> 4) & 0x0fff);
85 printk("FMS: 0x%x\n", val & 0x0f);
86 val = inl(TRID_REG(trident, CH_DX_ESO_DELTA));
87 printk("ESO: 0x%x\n", val >> 16);
88 printk("Delta: 0x%x\n", val & 0xffff);
89 val = inl(TRID_REG(trident, CH_DX_FMC_RVOL_CVOL));
90 } else { // TRIDENT_DEVICE_ID_NX
91 val = inl(TRID_REG(trident, CH_NX_DELTA_CSO));
92 tmp = (val >> 24) & 0xff;
93 printk("CSO: 0x%x\n", val & 0x00ffffff);
94 val = inl(TRID_REG(trident, CH_NX_DELTA_ESO));
95 tmp |= (val >> 16) & 0xff00;
96 printk("Delta: 0x%x\n", tmp);
97 printk("ESO: 0x%x\n", val & 0x00ffffff);
98 val = inl(TRID_REG(trident, CH_NX_ALPHA_FMS_FMC_RVOL_CVOL));
99 printk("Alpha: 0x%x\n", val >> 20);
100 printk("FMS: 0x%x\n", (val >> 16) & 0x0f);
102 printk("FMC: 0x%x\n", (val >> 14) & 3);
103 printk("RVol: 0x%x\n", (val >> 7) & 0x7f);
104 printk("CVol: 0x%x\n", val & 0x7f);
106 #endif
108 /*---------------------------------------------------------------------------
109 unsigned short snd_trident_codec_read(struct snd_ac97 *ac97, unsigned short reg)
111 Description: This routine will do all of the reading from the external
112 CODEC (AC97).
114 Parameters: ac97 - ac97 codec structure
115 reg - CODEC register index, from AC97 Hal.
117 returns: 16 bit value read from the AC97.
119 ---------------------------------------------------------------------------*/
120 static unsigned short snd_trident_codec_read(struct snd_ac97 *ac97, unsigned short reg)
122 unsigned int data = 0, treg;
123 unsigned short count = 0xffff;
124 unsigned long flags;
125 struct snd_trident *trident = ac97->private_data;
127 spin_lock_irqsave(&trident->reg_lock, flags);
128 if (trident->device == TRIDENT_DEVICE_ID_DX) {
129 data = (DX_AC97_BUSY_READ | (reg & 0x000000ff));
130 outl(data, TRID_REG(trident, DX_ACR1_AC97_R));
131 do {
132 data = inl(TRID_REG(trident, DX_ACR1_AC97_R));
133 if ((data & DX_AC97_BUSY_READ) == 0)
134 break;
135 } while (--count);
136 } else if (trident->device == TRIDENT_DEVICE_ID_NX) {
137 data = (NX_AC97_BUSY_READ | (reg & 0x000000ff));
138 treg = ac97->num == 0 ? NX_ACR2_AC97_R_PRIMARY : NX_ACR3_AC97_R_SECONDARY;
139 outl(data, TRID_REG(trident, treg));
140 do {
141 data = inl(TRID_REG(trident, treg));
142 if ((data & 0x00000C00) == 0)
143 break;
144 } while (--count);
145 } else if (trident->device == TRIDENT_DEVICE_ID_SI7018) {
146 data = SI_AC97_BUSY_READ | SI_AC97_AUDIO_BUSY | (reg & 0x000000ff);
147 if (ac97->num == 1)
148 data |= SI_AC97_SECONDARY;
149 outl(data, TRID_REG(trident, SI_AC97_READ));
150 do {
151 data = inl(TRID_REG(trident, SI_AC97_READ));
152 if ((data & (SI_AC97_BUSY_READ)) == 0)
153 break;
154 } while (--count);
157 if (count == 0 && !trident->ac97_detect) {
158 snd_printk(KERN_ERR "ac97 codec read TIMEOUT [0x%x/0x%x]!!!\n",
159 reg, data);
160 data = 0;
163 spin_unlock_irqrestore(&trident->reg_lock, flags);
164 return ((unsigned short) (data >> 16));
167 /*---------------------------------------------------------------------------
168 void snd_trident_codec_write(struct snd_ac97 *ac97, unsigned short reg,
169 unsigned short wdata)
171 Description: This routine will do all of the writing to the external
172 CODEC (AC97).
174 Parameters: ac97 - ac97 codec structure
175 reg - CODEC register index, from AC97 Hal.
176 data - Lower 16 bits are the data to write to CODEC.
178 returns: TRUE if everything went ok, else FALSE.
180 ---------------------------------------------------------------------------*/
181 static void snd_trident_codec_write(struct snd_ac97 *ac97, unsigned short reg,
182 unsigned short wdata)
184 unsigned int address, data;
185 unsigned short count = 0xffff;
186 unsigned long flags;
187 struct snd_trident *trident = ac97->private_data;
189 data = ((unsigned long) wdata) << 16;
191 spin_lock_irqsave(&trident->reg_lock, flags);
192 if (trident->device == TRIDENT_DEVICE_ID_DX) {
193 address = DX_ACR0_AC97_W;
195 /* read AC-97 write register status */
196 do {
197 if ((inw(TRID_REG(trident, address)) & DX_AC97_BUSY_WRITE) == 0)
198 break;
199 } while (--count);
201 data |= (DX_AC97_BUSY_WRITE | (reg & 0x000000ff));
202 } else if (trident->device == TRIDENT_DEVICE_ID_NX) {
203 address = NX_ACR1_AC97_W;
205 /* read AC-97 write register status */
206 do {
207 if ((inw(TRID_REG(trident, address)) & NX_AC97_BUSY_WRITE) == 0)
208 break;
209 } while (--count);
211 data |= (NX_AC97_BUSY_WRITE | (ac97->num << 8) | (reg & 0x000000ff));
212 } else if (trident->device == TRIDENT_DEVICE_ID_SI7018) {
213 address = SI_AC97_WRITE;
215 /* read AC-97 write register status */
216 do {
217 if ((inw(TRID_REG(trident, address)) & (SI_AC97_BUSY_WRITE)) == 0)
218 break;
219 } while (--count);
221 data |= SI_AC97_BUSY_WRITE | SI_AC97_AUDIO_BUSY | (reg & 0x000000ff);
222 if (ac97->num == 1)
223 data |= SI_AC97_SECONDARY;
224 } else {
225 address = 0; /* keep GCC happy */
226 count = 0; /* return */
229 if (count == 0) {
230 spin_unlock_irqrestore(&trident->reg_lock, flags);
231 return;
233 outl(data, TRID_REG(trident, address));
234 spin_unlock_irqrestore(&trident->reg_lock, flags);
237 /*---------------------------------------------------------------------------
238 void snd_trident_enable_eso(struct snd_trident *trident)
240 Description: This routine will enable end of loop interrupts.
241 End of loop interrupts will occur when a running
242 channel reaches ESO.
243 Also enables middle of loop interrupts.
245 Parameters: trident - pointer to target device class for 4DWave.
247 ---------------------------------------------------------------------------*/
249 static void snd_trident_enable_eso(struct snd_trident * trident)
251 unsigned int val;
253 val = inl(TRID_REG(trident, T4D_LFO_GC_CIR));
254 val |= ENDLP_IE;
255 val |= MIDLP_IE;
256 if (trident->device == TRIDENT_DEVICE_ID_SI7018)
257 val |= BANK_B_EN;
258 outl(val, TRID_REG(trident, T4D_LFO_GC_CIR));
261 /*---------------------------------------------------------------------------
262 void snd_trident_disable_eso(struct snd_trident *trident)
264 Description: This routine will disable end of loop interrupts.
265 End of loop interrupts will occur when a running
266 channel reaches ESO.
267 Also disables middle of loop interrupts.
269 Parameters:
270 trident - pointer to target device class for 4DWave.
272 returns: TRUE if everything went ok, else FALSE.
274 ---------------------------------------------------------------------------*/
276 static void snd_trident_disable_eso(struct snd_trident * trident)
278 unsigned int tmp;
280 tmp = inl(TRID_REG(trident, T4D_LFO_GC_CIR));
281 tmp &= ~ENDLP_IE;
282 tmp &= ~MIDLP_IE;
283 outl(tmp, TRID_REG(trident, T4D_LFO_GC_CIR));
286 /*---------------------------------------------------------------------------
287 void snd_trident_start_voice(struct snd_trident * trident, unsigned int voice)
289 Description: Start a voice, any channel 0 thru 63.
290 This routine automatically handles the fact that there are
291 more than 32 channels available.
293 Parameters : voice - Voice number 0 thru n.
294 trident - pointer to target device class for 4DWave.
296 Return Value: None.
298 ---------------------------------------------------------------------------*/
300 void snd_trident_start_voice(struct snd_trident * trident, unsigned int voice)
302 unsigned int mask = 1 << (voice & 0x1f);
303 unsigned int reg = (voice & 0x20) ? T4D_START_B : T4D_START_A;
305 outl(mask, TRID_REG(trident, reg));
308 EXPORT_SYMBOL(snd_trident_start_voice);
310 /*---------------------------------------------------------------------------
311 void snd_trident_stop_voice(struct snd_trident * trident, unsigned int voice)
313 Description: Stop a voice, any channel 0 thru 63.
314 This routine automatically handles the fact that there are
315 more than 32 channels available.
317 Parameters : voice - Voice number 0 thru n.
318 trident - pointer to target device class for 4DWave.
320 Return Value: None.
322 ---------------------------------------------------------------------------*/
324 void snd_trident_stop_voice(struct snd_trident * trident, unsigned int voice)
326 unsigned int mask = 1 << (voice & 0x1f);
327 unsigned int reg = (voice & 0x20) ? T4D_STOP_B : T4D_STOP_A;
329 outl(mask, TRID_REG(trident, reg));
332 EXPORT_SYMBOL(snd_trident_stop_voice);
334 /*---------------------------------------------------------------------------
335 int snd_trident_allocate_pcm_channel(struct snd_trident *trident)
337 Description: Allocate hardware channel in Bank B (32-63).
339 Parameters : trident - pointer to target device class for 4DWave.
341 Return Value: hardware channel - 32-63 or -1 when no channel is available
343 ---------------------------------------------------------------------------*/
345 static int snd_trident_allocate_pcm_channel(struct snd_trident * trident)
347 int idx;
349 if (trident->ChanPCMcnt >= trident->ChanPCM)
350 return -1;
351 for (idx = 31; idx >= 0; idx--) {
352 if (!(trident->ChanMap[T4D_BANK_B] & (1 << idx))) {
353 trident->ChanMap[T4D_BANK_B] |= 1 << idx;
354 trident->ChanPCMcnt++;
355 return idx + 32;
358 return -1;
361 /*---------------------------------------------------------------------------
362 void snd_trident_free_pcm_channel(int channel)
364 Description: Free hardware channel in Bank B (32-63)
366 Parameters : trident - pointer to target device class for 4DWave.
367 channel - hardware channel number 0-63
369 Return Value: none
371 ---------------------------------------------------------------------------*/
373 static void snd_trident_free_pcm_channel(struct snd_trident *trident, int channel)
375 if (channel < 32 || channel > 63)
376 return;
377 channel &= 0x1f;
378 if (trident->ChanMap[T4D_BANK_B] & (1 << channel)) {
379 trident->ChanMap[T4D_BANK_B] &= ~(1 << channel);
380 trident->ChanPCMcnt--;
384 /*---------------------------------------------------------------------------
385 unsigned int snd_trident_allocate_synth_channel(void)
387 Description: Allocate hardware channel in Bank A (0-31).
389 Parameters : trident - pointer to target device class for 4DWave.
391 Return Value: hardware channel - 0-31 or -1 when no channel is available
393 ---------------------------------------------------------------------------*/
395 static int snd_trident_allocate_synth_channel(struct snd_trident * trident)
397 int idx;
399 for (idx = 31; idx >= 0; idx--) {
400 if (!(trident->ChanMap[T4D_BANK_A] & (1 << idx))) {
401 trident->ChanMap[T4D_BANK_A] |= 1 << idx;
402 trident->synth.ChanSynthCount++;
403 return idx;
406 return -1;
409 /*---------------------------------------------------------------------------
410 void snd_trident_free_synth_channel( int channel )
412 Description: Free hardware channel in Bank B (0-31).
414 Parameters : trident - pointer to target device class for 4DWave.
415 channel - hardware channel number 0-63
417 Return Value: none
419 ---------------------------------------------------------------------------*/
421 static void snd_trident_free_synth_channel(struct snd_trident *trident, int channel)
423 if (channel < 0 || channel > 31)
424 return;
425 channel &= 0x1f;
426 if (trident->ChanMap[T4D_BANK_A] & (1 << channel)) {
427 trident->ChanMap[T4D_BANK_A] &= ~(1 << channel);
428 trident->synth.ChanSynthCount--;
432 /*---------------------------------------------------------------------------
433 snd_trident_write_voice_regs
435 Description: This routine will complete and write the 5 hardware channel
436 registers to hardware.
438 Parameters: trident - pointer to target device class for 4DWave.
439 voice - synthesizer voice structure
440 Each register field.
442 ---------------------------------------------------------------------------*/
444 void snd_trident_write_voice_regs(struct snd_trident * trident,
445 struct snd_trident_voice * voice)
447 unsigned int FmcRvolCvol;
448 unsigned int regs[5];
450 regs[1] = voice->LBA;
451 regs[4] = (voice->GVSel << 31) |
452 ((voice->Pan & 0x0000007f) << 24) |
453 ((voice->CTRL & 0x0000000f) << 12);
454 FmcRvolCvol = ((voice->FMC & 3) << 14) |
455 ((voice->RVol & 0x7f) << 7) |
456 (voice->CVol & 0x7f);
458 switch (trident->device) {
459 case TRIDENT_DEVICE_ID_SI7018:
460 regs[4] |= voice->number > 31 ?
461 (voice->Vol & 0x000003ff) :
462 ((voice->Vol & 0x00003fc) << (16-2)) |
463 (voice->EC & 0x00000fff);
464 regs[0] = (voice->CSO << 16) | ((voice->Alpha & 0x00000fff) << 4) |
465 (voice->FMS & 0x0000000f);
466 regs[2] = (voice->ESO << 16) | (voice->Delta & 0x0ffff);
467 regs[3] = (voice->Attribute << 16) | FmcRvolCvol;
468 break;
469 case TRIDENT_DEVICE_ID_DX:
470 regs[4] |= ((voice->Vol & 0x000003fc) << (16-2)) |
471 (voice->EC & 0x00000fff);
472 regs[0] = (voice->CSO << 16) | ((voice->Alpha & 0x00000fff) << 4) |
473 (voice->FMS & 0x0000000f);
474 regs[2] = (voice->ESO << 16) | (voice->Delta & 0x0ffff);
475 regs[3] = FmcRvolCvol;
476 break;
477 case TRIDENT_DEVICE_ID_NX:
478 regs[4] |= ((voice->Vol & 0x000003fc) << (16-2)) |
479 (voice->EC & 0x00000fff);
480 regs[0] = (voice->Delta << 24) | (voice->CSO & 0x00ffffff);
481 regs[2] = ((voice->Delta << 16) & 0xff000000) |
482 (voice->ESO & 0x00ffffff);
483 regs[3] = (voice->Alpha << 20) |
484 ((voice->FMS & 0x0000000f) << 16) | FmcRvolCvol;
485 break;
486 default:
487 snd_BUG();
488 return;
491 outb(voice->number, TRID_REG(trident, T4D_LFO_GC_CIR));
492 outl(regs[0], TRID_REG(trident, CH_START + 0));
493 outl(regs[1], TRID_REG(trident, CH_START + 4));
494 outl(regs[2], TRID_REG(trident, CH_START + 8));
495 outl(regs[3], TRID_REG(trident, CH_START + 12));
496 outl(regs[4], TRID_REG(trident, CH_START + 16));
498 #if 0
499 printk("written %i channel:\n", voice->number);
500 printk(" regs[0] = 0x%x/0x%x\n", regs[0], inl(TRID_REG(trident, CH_START + 0)));
501 printk(" regs[1] = 0x%x/0x%x\n", regs[1], inl(TRID_REG(trident, CH_START + 4)));
502 printk(" regs[2] = 0x%x/0x%x\n", regs[2], inl(TRID_REG(trident, CH_START + 8)));
503 printk(" regs[3] = 0x%x/0x%x\n", regs[3], inl(TRID_REG(trident, CH_START + 12)));
504 printk(" regs[4] = 0x%x/0x%x\n", regs[4], inl(TRID_REG(trident, CH_START + 16)));
505 #endif
508 EXPORT_SYMBOL(snd_trident_write_voice_regs);
510 /*---------------------------------------------------------------------------
511 snd_trident_write_cso_reg
513 Description: This routine will write the new CSO offset
514 register to hardware.
516 Parameters: trident - pointer to target device class for 4DWave.
517 voice - synthesizer voice structure
518 CSO - new CSO value
520 ---------------------------------------------------------------------------*/
522 static void snd_trident_write_cso_reg(struct snd_trident * trident,
523 struct snd_trident_voice * voice,
524 unsigned int CSO)
526 voice->CSO = CSO;
527 outb(voice->number, TRID_REG(trident, T4D_LFO_GC_CIR));
528 if (trident->device != TRIDENT_DEVICE_ID_NX) {
529 outw(voice->CSO, TRID_REG(trident, CH_DX_CSO_ALPHA_FMS) + 2);
530 } else {
531 outl((voice->Delta << 24) |
532 (voice->CSO & 0x00ffffff), TRID_REG(trident, CH_NX_DELTA_CSO));
536 /*---------------------------------------------------------------------------
537 snd_trident_write_eso_reg
539 Description: This routine will write the new ESO offset
540 register to hardware.
542 Parameters: trident - pointer to target device class for 4DWave.
543 voice - synthesizer voice structure
544 ESO - new ESO value
546 ---------------------------------------------------------------------------*/
548 static void snd_trident_write_eso_reg(struct snd_trident * trident,
549 struct snd_trident_voice * voice,
550 unsigned int ESO)
552 voice->ESO = ESO;
553 outb(voice->number, TRID_REG(trident, T4D_LFO_GC_CIR));
554 if (trident->device != TRIDENT_DEVICE_ID_NX) {
555 outw(voice->ESO, TRID_REG(trident, CH_DX_ESO_DELTA) + 2);
556 } else {
557 outl(((voice->Delta << 16) & 0xff000000) | (voice->ESO & 0x00ffffff),
558 TRID_REG(trident, CH_NX_DELTA_ESO));
562 /*---------------------------------------------------------------------------
563 snd_trident_write_vol_reg
565 Description: This routine will write the new voice volume
566 register to hardware.
568 Parameters: trident - pointer to target device class for 4DWave.
569 voice - synthesizer voice structure
570 Vol - new voice volume
572 ---------------------------------------------------------------------------*/
574 static void snd_trident_write_vol_reg(struct snd_trident * trident,
575 struct snd_trident_voice * voice,
576 unsigned int Vol)
578 voice->Vol = Vol;
579 outb(voice->number, TRID_REG(trident, T4D_LFO_GC_CIR));
580 switch (trident->device) {
581 case TRIDENT_DEVICE_ID_DX:
582 case TRIDENT_DEVICE_ID_NX:
583 outb(voice->Vol >> 2, TRID_REG(trident, CH_GVSEL_PAN_VOL_CTRL_EC + 2));
584 break;
585 case TRIDENT_DEVICE_ID_SI7018:
586 // printk("voice->Vol = 0x%x\n", voice->Vol);
587 outw((voice->CTRL << 12) | voice->Vol,
588 TRID_REG(trident, CH_GVSEL_PAN_VOL_CTRL_EC));
589 break;
593 /*---------------------------------------------------------------------------
594 snd_trident_write_pan_reg
596 Description: This routine will write the new voice pan
597 register to hardware.
599 Parameters: trident - pointer to target device class for 4DWave.
600 voice - synthesizer voice structure
601 Pan - new pan value
603 ---------------------------------------------------------------------------*/
605 static void snd_trident_write_pan_reg(struct snd_trident * trident,
606 struct snd_trident_voice * voice,
607 unsigned int Pan)
609 voice->Pan = Pan;
610 outb(voice->number, TRID_REG(trident, T4D_LFO_GC_CIR));
611 outb(((voice->GVSel & 0x01) << 7) | (voice->Pan & 0x7f),
612 TRID_REG(trident, CH_GVSEL_PAN_VOL_CTRL_EC + 3));
615 /*---------------------------------------------------------------------------
616 snd_trident_write_rvol_reg
618 Description: This routine will write the new reverb volume
619 register to hardware.
621 Parameters: trident - pointer to target device class for 4DWave.
622 voice - synthesizer voice structure
623 RVol - new reverb volume
625 ---------------------------------------------------------------------------*/
627 static void snd_trident_write_rvol_reg(struct snd_trident * trident,
628 struct snd_trident_voice * voice,
629 unsigned int RVol)
631 voice->RVol = RVol;
632 outb(voice->number, TRID_REG(trident, T4D_LFO_GC_CIR));
633 outw(((voice->FMC & 0x0003) << 14) | ((voice->RVol & 0x007f) << 7) |
634 (voice->CVol & 0x007f),
635 TRID_REG(trident, trident->device == TRIDENT_DEVICE_ID_NX ?
636 CH_NX_ALPHA_FMS_FMC_RVOL_CVOL : CH_DX_FMC_RVOL_CVOL));
639 /*---------------------------------------------------------------------------
640 snd_trident_write_cvol_reg
642 Description: This routine will write the new chorus volume
643 register to hardware.
645 Parameters: trident - pointer to target device class for 4DWave.
646 voice - synthesizer voice structure
647 CVol - new chorus volume
649 ---------------------------------------------------------------------------*/
651 static void snd_trident_write_cvol_reg(struct snd_trident * trident,
652 struct snd_trident_voice * voice,
653 unsigned int CVol)
655 voice->CVol = CVol;
656 outb(voice->number, TRID_REG(trident, T4D_LFO_GC_CIR));
657 outw(((voice->FMC & 0x0003) << 14) | ((voice->RVol & 0x007f) << 7) |
658 (voice->CVol & 0x007f),
659 TRID_REG(trident, trident->device == TRIDENT_DEVICE_ID_NX ?
660 CH_NX_ALPHA_FMS_FMC_RVOL_CVOL : CH_DX_FMC_RVOL_CVOL));
663 /*---------------------------------------------------------------------------
664 snd_trident_convert_rate
666 Description: This routine converts rate in HZ to hardware delta value.
668 Parameters: trident - pointer to target device class for 4DWave.
669 rate - Real or Virtual channel number.
671 Returns: Delta value.
673 ---------------------------------------------------------------------------*/
674 static unsigned int snd_trident_convert_rate(unsigned int rate)
676 unsigned int delta;
678 // We special case 44100 and 8000 since rounding with the equation
679 // does not give us an accurate enough value. For 11025 and 22050
680 // the equation gives us the best answer. All other frequencies will
681 // also use the equation. JDW
682 if (rate == 44100)
683 delta = 0xeb3;
684 else if (rate == 8000)
685 delta = 0x2ab;
686 else if (rate == 48000)
687 delta = 0x1000;
688 else
689 delta = (((rate << 12) + 24000) / 48000) & 0x0000ffff;
690 return delta;
693 /*---------------------------------------------------------------------------
694 snd_trident_convert_adc_rate
696 Description: This routine converts rate in HZ to hardware delta value.
698 Parameters: trident - pointer to target device class for 4DWave.
699 rate - Real or Virtual channel number.
701 Returns: Delta value.
703 ---------------------------------------------------------------------------*/
704 static unsigned int snd_trident_convert_adc_rate(unsigned int rate)
706 unsigned int delta;
708 // We special case 44100 and 8000 since rounding with the equation
709 // does not give us an accurate enough value. For 11025 and 22050
710 // the equation gives us the best answer. All other frequencies will
711 // also use the equation. JDW
712 if (rate == 44100)
713 delta = 0x116a;
714 else if (rate == 8000)
715 delta = 0x6000;
716 else if (rate == 48000)
717 delta = 0x1000;
718 else
719 delta = ((48000 << 12) / rate) & 0x0000ffff;
720 return delta;
723 /*---------------------------------------------------------------------------
724 snd_trident_spurious_threshold
726 Description: This routine converts rate in HZ to spurious threshold.
728 Parameters: trident - pointer to target device class for 4DWave.
729 rate - Real or Virtual channel number.
731 Returns: Delta value.
733 ---------------------------------------------------------------------------*/
734 static unsigned int snd_trident_spurious_threshold(unsigned int rate,
735 unsigned int period_size)
737 unsigned int res = (rate * period_size) / 48000;
738 if (res < 64)
739 res = res / 2;
740 else
741 res -= 32;
742 return res;
745 /*---------------------------------------------------------------------------
746 snd_trident_control_mode
748 Description: This routine returns a control mode for a PCM channel.
750 Parameters: trident - pointer to target device class for 4DWave.
751 substream - PCM substream
753 Returns: Control value.
755 ---------------------------------------------------------------------------*/
756 static unsigned int snd_trident_control_mode(struct snd_pcm_substream *substream)
758 unsigned int CTRL;
759 struct snd_pcm_runtime *runtime = substream->runtime;
761 /* set ctrl mode
762 CTRL default: 8-bit (unsigned) mono, loop mode enabled
764 CTRL = 0x00000001;
765 if (snd_pcm_format_width(runtime->format) == 16)
766 CTRL |= 0x00000008; // 16-bit data
767 if (snd_pcm_format_signed(runtime->format))
768 CTRL |= 0x00000002; // signed data
769 if (runtime->channels > 1)
770 CTRL |= 0x00000004; // stereo data
771 return CTRL;
775 * PCM part
778 /*---------------------------------------------------------------------------
779 snd_trident_ioctl
781 Description: Device I/O control handler for playback/capture parameters.
783 Parameters: substream - PCM substream class
784 cmd - what ioctl message to process
785 arg - additional message infoarg
787 Returns: Error status
789 ---------------------------------------------------------------------------*/
791 static int snd_trident_ioctl(struct snd_pcm_substream *substream,
792 unsigned int cmd,
793 void *arg)
795 /* FIXME: it seems that with small periods the behaviour of
796 trident hardware is unpredictable and interrupt generator
797 is broken */
798 return snd_pcm_lib_ioctl(substream, cmd, arg);
801 /*---------------------------------------------------------------------------
802 snd_trident_allocate_pcm_mem
804 Description: Allocate PCM ring buffer for given substream
806 Parameters: substream - PCM substream class
807 hw_params - hardware parameters
809 Returns: Error status
811 ---------------------------------------------------------------------------*/
813 static int snd_trident_allocate_pcm_mem(struct snd_pcm_substream *substream,
814 struct snd_pcm_hw_params *hw_params)
816 struct snd_trident *trident = snd_pcm_substream_chip(substream);
817 struct snd_pcm_runtime *runtime = substream->runtime;
818 struct snd_trident_voice *voice = runtime->private_data;
819 int err;
821 if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
822 return err;
823 if (trident->tlb.entries) {
824 if (err > 0) { /* change */
825 if (voice->memblk)
826 snd_trident_free_pages(trident, voice->memblk);
827 voice->memblk = snd_trident_alloc_pages(trident, substream);
828 if (voice->memblk == NULL)
829 return -ENOMEM;
832 return 0;
835 /*---------------------------------------------------------------------------
836 snd_trident_allocate_evoice
838 Description: Allocate extra voice as interrupt generator
840 Parameters: substream - PCM substream class
841 hw_params - hardware parameters
843 Returns: Error status
845 ---------------------------------------------------------------------------*/
847 static int snd_trident_allocate_evoice(struct snd_pcm_substream *substream,
848 struct snd_pcm_hw_params *hw_params)
850 struct snd_trident *trident = snd_pcm_substream_chip(substream);
851 struct snd_pcm_runtime *runtime = substream->runtime;
852 struct snd_trident_voice *voice = runtime->private_data;
853 struct snd_trident_voice *evoice = voice->extra;
855 /* voice management */
857 if (params_buffer_size(hw_params) / 2 != params_period_size(hw_params)) {
858 if (evoice == NULL) {
859 evoice = snd_trident_alloc_voice(trident, SNDRV_TRIDENT_VOICE_TYPE_PCM, 0, 0);
860 if (evoice == NULL)
861 return -ENOMEM;
862 voice->extra = evoice;
863 evoice->substream = substream;
865 } else {
866 if (evoice != NULL) {
867 snd_trident_free_voice(trident, evoice);
868 voice->extra = evoice = NULL;
872 return 0;
875 /*---------------------------------------------------------------------------
876 snd_trident_hw_params
878 Description: Set the hardware parameters for the playback device.
880 Parameters: substream - PCM substream class
881 hw_params - hardware parameters
883 Returns: Error status
885 ---------------------------------------------------------------------------*/
887 static int snd_trident_hw_params(struct snd_pcm_substream *substream,
888 struct snd_pcm_hw_params *hw_params)
890 int err;
892 err = snd_trident_allocate_pcm_mem(substream, hw_params);
893 if (err >= 0)
894 err = snd_trident_allocate_evoice(substream, hw_params);
895 return err;
898 /*---------------------------------------------------------------------------
899 snd_trident_playback_hw_free
901 Description: Release the hardware resources for the playback device.
903 Parameters: substream - PCM substream class
905 Returns: Error status
907 ---------------------------------------------------------------------------*/
909 static int snd_trident_hw_free(struct snd_pcm_substream *substream)
911 struct snd_trident *trident = snd_pcm_substream_chip(substream);
912 struct snd_pcm_runtime *runtime = substream->runtime;
913 struct snd_trident_voice *voice = runtime->private_data;
914 struct snd_trident_voice *evoice = voice ? voice->extra : NULL;
916 if (trident->tlb.entries) {
917 if (voice && voice->memblk) {
918 snd_trident_free_pages(trident, voice->memblk);
919 voice->memblk = NULL;
922 snd_pcm_lib_free_pages(substream);
923 if (evoice != NULL) {
924 snd_trident_free_voice(trident, evoice);
925 voice->extra = NULL;
927 return 0;
930 /*---------------------------------------------------------------------------
931 snd_trident_playback_prepare
933 Description: Prepare playback device for playback.
935 Parameters: substream - PCM substream class
937 Returns: Error status
939 ---------------------------------------------------------------------------*/
941 static int snd_trident_playback_prepare(struct snd_pcm_substream *substream)
943 struct snd_trident *trident = snd_pcm_substream_chip(substream);
944 struct snd_pcm_runtime *runtime = substream->runtime;
945 struct snd_trident_voice *voice = runtime->private_data;
946 struct snd_trident_voice *evoice = voice->extra;
947 struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[substream->number];
949 spin_lock_irq(&trident->reg_lock);
951 /* set delta (rate) value */
952 voice->Delta = snd_trident_convert_rate(runtime->rate);
953 voice->spurious_threshold = snd_trident_spurious_threshold(runtime->rate, runtime->period_size);
955 /* set Loop Begin Address */
956 if (voice->memblk)
957 voice->LBA = voice->memblk->offset;
958 else
959 voice->LBA = runtime->dma_addr;
961 voice->CSO = 0;
962 voice->ESO = runtime->buffer_size - 1; /* in samples */
963 voice->CTRL = snd_trident_control_mode(substream);
964 voice->FMC = 3;
965 voice->GVSel = 1;
966 voice->EC = 0;
967 voice->Alpha = 0;
968 voice->FMS = 0;
969 voice->Vol = mix->vol;
970 voice->RVol = mix->rvol;
971 voice->CVol = mix->cvol;
972 voice->Pan = mix->pan;
973 voice->Attribute = 0;
974 #if 0
975 voice->Attribute = (1<<(30-16))|(2<<(26-16))|
976 (0<<(24-16))|(0x1f<<(19-16));
977 #else
978 voice->Attribute = 0;
979 #endif
981 snd_trident_write_voice_regs(trident, voice);
983 if (evoice != NULL) {
984 evoice->Delta = voice->Delta;
985 evoice->spurious_threshold = voice->spurious_threshold;
986 evoice->LBA = voice->LBA;
987 evoice->CSO = 0;
988 evoice->ESO = (runtime->period_size * 2) + 4 - 1; /* in samples */
989 evoice->CTRL = voice->CTRL;
990 evoice->FMC = 3;
991 evoice->GVSel = trident->device == TRIDENT_DEVICE_ID_SI7018 ? 0 : 1;
992 evoice->EC = 0;
993 evoice->Alpha = 0;
994 evoice->FMS = 0;
995 evoice->Vol = 0x3ff; /* mute */
996 evoice->RVol = evoice->CVol = 0x7f; /* mute */
997 evoice->Pan = 0x7f; /* mute */
998 #if 0
999 evoice->Attribute = (1<<(30-16))|(2<<(26-16))|
1000 (0<<(24-16))|(0x1f<<(19-16));
1001 #else
1002 evoice->Attribute = 0;
1003 #endif
1004 snd_trident_write_voice_regs(trident, evoice);
1005 evoice->isync2 = 1;
1006 evoice->isync_mark = runtime->period_size;
1007 evoice->ESO = (runtime->period_size * 2) - 1;
1010 spin_unlock_irq(&trident->reg_lock);
1012 return 0;
1015 /*---------------------------------------------------------------------------
1016 snd_trident_capture_hw_params
1018 Description: Set the hardware parameters for the capture device.
1020 Parameters: substream - PCM substream class
1021 hw_params - hardware parameters
1023 Returns: Error status
1025 ---------------------------------------------------------------------------*/
1027 static int snd_trident_capture_hw_params(struct snd_pcm_substream *substream,
1028 struct snd_pcm_hw_params *hw_params)
1030 return snd_trident_allocate_pcm_mem(substream, hw_params);
1033 /*---------------------------------------------------------------------------
1034 snd_trident_capture_prepare
1036 Description: Prepare capture device for playback.
1038 Parameters: substream - PCM substream class
1040 Returns: Error status
1042 ---------------------------------------------------------------------------*/
1044 static int snd_trident_capture_prepare(struct snd_pcm_substream *substream)
1046 struct snd_trident *trident = snd_pcm_substream_chip(substream);
1047 struct snd_pcm_runtime *runtime = substream->runtime;
1048 struct snd_trident_voice *voice = runtime->private_data;
1049 unsigned int val, ESO_bytes;
1051 spin_lock_irq(&trident->reg_lock);
1053 // Initilize the channel and set channel Mode
1054 outb(0, TRID_REG(trident, LEGACY_DMAR15));
1056 // Set DMA channel operation mode register
1057 outb(0x54, TRID_REG(trident, LEGACY_DMAR11));
1059 // Set channel buffer Address, DMAR0 expects contiguous PCI memory area
1060 voice->LBA = runtime->dma_addr;
1061 outl(voice->LBA, TRID_REG(trident, LEGACY_DMAR0));
1062 if (voice->memblk)
1063 voice->LBA = voice->memblk->offset;
1065 // set ESO
1066 ESO_bytes = snd_pcm_lib_buffer_bytes(substream) - 1;
1067 outb((ESO_bytes & 0x00ff0000) >> 16, TRID_REG(trident, LEGACY_DMAR6));
1068 outw((ESO_bytes & 0x0000ffff), TRID_REG(trident, LEGACY_DMAR4));
1069 ESO_bytes++;
1071 // Set channel sample rate, 4.12 format
1072 val = (((unsigned int) 48000L << 12) + (runtime->rate/2)) / runtime->rate;
1073 outw(val, TRID_REG(trident, T4D_SBDELTA_DELTA_R));
1075 // Set channel interrupt blk length
1076 if (snd_pcm_format_width(runtime->format) == 16) {
1077 val = (unsigned short) ((ESO_bytes >> 1) - 1);
1078 } else {
1079 val = (unsigned short) (ESO_bytes - 1);
1082 outl((val << 16) | val, TRID_REG(trident, T4D_SBBL_SBCL));
1084 // Right now, set format and start to run captureing,
1085 // continuous run loop enable.
1086 trident->bDMAStart = 0x19; // 0001 1001b
1088 if (snd_pcm_format_width(runtime->format) == 16)
1089 trident->bDMAStart |= 0x80;
1090 if (snd_pcm_format_signed(runtime->format))
1091 trident->bDMAStart |= 0x20;
1092 if (runtime->channels > 1)
1093 trident->bDMAStart |= 0x40;
1095 // Prepare capture intr channel
1097 voice->Delta = snd_trident_convert_rate(runtime->rate);
1098 voice->spurious_threshold = snd_trident_spurious_threshold(runtime->rate, runtime->period_size);
1099 voice->isync = 1;
1100 voice->isync_mark = runtime->period_size;
1101 voice->isync_max = runtime->buffer_size;
1103 // Set voice parameters
1104 voice->CSO = 0;
1105 voice->ESO = voice->isync_ESO = (runtime->period_size * 2) + 6 - 1;
1106 voice->CTRL = snd_trident_control_mode(substream);
1107 voice->FMC = 3;
1108 voice->RVol = 0x7f;
1109 voice->CVol = 0x7f;
1110 voice->GVSel = 1;
1111 voice->Pan = 0x7f; /* mute */
1112 voice->Vol = 0x3ff; /* mute */
1113 voice->EC = 0;
1114 voice->Alpha = 0;
1115 voice->FMS = 0;
1116 voice->Attribute = 0;
1118 snd_trident_write_voice_regs(trident, voice);
1120 spin_unlock_irq(&trident->reg_lock);
1121 return 0;
1124 /*---------------------------------------------------------------------------
1125 snd_trident_si7018_capture_hw_params
1127 Description: Set the hardware parameters for the capture device.
1129 Parameters: substream - PCM substream class
1130 hw_params - hardware parameters
1132 Returns: Error status
1134 ---------------------------------------------------------------------------*/
1136 static int snd_trident_si7018_capture_hw_params(struct snd_pcm_substream *substream,
1137 struct snd_pcm_hw_params *hw_params)
1139 int err;
1141 if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
1142 return err;
1144 return snd_trident_allocate_evoice(substream, hw_params);
1147 /*---------------------------------------------------------------------------
1148 snd_trident_si7018_capture_hw_free
1150 Description: Release the hardware resources for the capture device.
1152 Parameters: substream - PCM substream class
1154 Returns: Error status
1156 ---------------------------------------------------------------------------*/
1158 static int snd_trident_si7018_capture_hw_free(struct snd_pcm_substream *substream)
1160 struct snd_trident *trident = snd_pcm_substream_chip(substream);
1161 struct snd_pcm_runtime *runtime = substream->runtime;
1162 struct snd_trident_voice *voice = runtime->private_data;
1163 struct snd_trident_voice *evoice = voice ? voice->extra : NULL;
1165 snd_pcm_lib_free_pages(substream);
1166 if (evoice != NULL) {
1167 snd_trident_free_voice(trident, evoice);
1168 voice->extra = NULL;
1170 return 0;
1173 /*---------------------------------------------------------------------------
1174 snd_trident_si7018_capture_prepare
1176 Description: Prepare capture device for playback.
1178 Parameters: substream - PCM substream class
1180 Returns: Error status
1182 ---------------------------------------------------------------------------*/
1184 static int snd_trident_si7018_capture_prepare(struct snd_pcm_substream *substream)
1186 struct snd_trident *trident = snd_pcm_substream_chip(substream);
1187 struct snd_pcm_runtime *runtime = substream->runtime;
1188 struct snd_trident_voice *voice = runtime->private_data;
1189 struct snd_trident_voice *evoice = voice->extra;
1191 spin_lock_irq(&trident->reg_lock);
1193 voice->LBA = runtime->dma_addr;
1194 voice->Delta = snd_trident_convert_adc_rate(runtime->rate);
1195 voice->spurious_threshold = snd_trident_spurious_threshold(runtime->rate, runtime->period_size);
1197 // Set voice parameters
1198 voice->CSO = 0;
1199 voice->ESO = runtime->buffer_size - 1; /* in samples */
1200 voice->CTRL = snd_trident_control_mode(substream);
1201 voice->FMC = 0;
1202 voice->RVol = 0;
1203 voice->CVol = 0;
1204 voice->GVSel = 1;
1205 voice->Pan = T4D_DEFAULT_PCM_PAN;
1206 voice->Vol = 0;
1207 voice->EC = 0;
1208 voice->Alpha = 0;
1209 voice->FMS = 0;
1211 voice->Attribute = (2 << (30-16)) |
1212 (2 << (26-16)) |
1213 (2 << (24-16)) |
1214 (1 << (23-16));
1216 snd_trident_write_voice_regs(trident, voice);
1218 if (evoice != NULL) {
1219 evoice->Delta = snd_trident_convert_rate(runtime->rate);
1220 evoice->spurious_threshold = voice->spurious_threshold;
1221 evoice->LBA = voice->LBA;
1222 evoice->CSO = 0;
1223 evoice->ESO = (runtime->period_size * 2) + 20 - 1; /* in samples, 20 means correction */
1224 evoice->CTRL = voice->CTRL;
1225 evoice->FMC = 3;
1226 evoice->GVSel = 0;
1227 evoice->EC = 0;
1228 evoice->Alpha = 0;
1229 evoice->FMS = 0;
1230 evoice->Vol = 0x3ff; /* mute */
1231 evoice->RVol = evoice->CVol = 0x7f; /* mute */
1232 evoice->Pan = 0x7f; /* mute */
1233 evoice->Attribute = 0;
1234 snd_trident_write_voice_regs(trident, evoice);
1235 evoice->isync2 = 1;
1236 evoice->isync_mark = runtime->period_size;
1237 evoice->ESO = (runtime->period_size * 2) - 1;
1240 spin_unlock_irq(&trident->reg_lock);
1241 return 0;
1244 /*---------------------------------------------------------------------------
1245 snd_trident_foldback_prepare
1247 Description: Prepare foldback capture device for playback.
1249 Parameters: substream - PCM substream class
1251 Returns: Error status
1253 ---------------------------------------------------------------------------*/
1255 static int snd_trident_foldback_prepare(struct snd_pcm_substream *substream)
1257 struct snd_trident *trident = snd_pcm_substream_chip(substream);
1258 struct snd_pcm_runtime *runtime = substream->runtime;
1259 struct snd_trident_voice *voice = runtime->private_data;
1260 struct snd_trident_voice *evoice = voice->extra;
1262 spin_lock_irq(&trident->reg_lock);
1264 /* Set channel buffer Address */
1265 if (voice->memblk)
1266 voice->LBA = voice->memblk->offset;
1267 else
1268 voice->LBA = runtime->dma_addr;
1270 /* set target ESO for channel */
1271 voice->ESO = runtime->buffer_size - 1; /* in samples */
1273 /* set sample rate */
1274 voice->Delta = 0x1000;
1275 voice->spurious_threshold = snd_trident_spurious_threshold(48000, runtime->period_size);
1277 voice->CSO = 0;
1278 voice->CTRL = snd_trident_control_mode(substream);
1279 voice->FMC = 3;
1280 voice->RVol = 0x7f;
1281 voice->CVol = 0x7f;
1282 voice->GVSel = 1;
1283 voice->Pan = 0x7f; /* mute */
1284 voice->Vol = 0x3ff; /* mute */
1285 voice->EC = 0;
1286 voice->Alpha = 0;
1287 voice->FMS = 0;
1288 voice->Attribute = 0;
1290 /* set up capture channel */
1291 outb(((voice->number & 0x3f) | 0x80), TRID_REG(trident, T4D_RCI + voice->foldback_chan));
1293 snd_trident_write_voice_regs(trident, voice);
1295 if (evoice != NULL) {
1296 evoice->Delta = voice->Delta;
1297 evoice->spurious_threshold = voice->spurious_threshold;
1298 evoice->LBA = voice->LBA;
1299 evoice->CSO = 0;
1300 evoice->ESO = (runtime->period_size * 2) + 4 - 1; /* in samples */
1301 evoice->CTRL = voice->CTRL;
1302 evoice->FMC = 3;
1303 evoice->GVSel = trident->device == TRIDENT_DEVICE_ID_SI7018 ? 0 : 1;
1304 evoice->EC = 0;
1305 evoice->Alpha = 0;
1306 evoice->FMS = 0;
1307 evoice->Vol = 0x3ff; /* mute */
1308 evoice->RVol = evoice->CVol = 0x7f; /* mute */
1309 evoice->Pan = 0x7f; /* mute */
1310 evoice->Attribute = 0;
1311 snd_trident_write_voice_regs(trident, evoice);
1312 evoice->isync2 = 1;
1313 evoice->isync_mark = runtime->period_size;
1314 evoice->ESO = (runtime->period_size * 2) - 1;
1317 spin_unlock_irq(&trident->reg_lock);
1318 return 0;
1321 /*---------------------------------------------------------------------------
1322 snd_trident_spdif_hw_params
1324 Description: Set the hardware parameters for the spdif device.
1326 Parameters: substream - PCM substream class
1327 hw_params - hardware parameters
1329 Returns: Error status
1331 ---------------------------------------------------------------------------*/
1333 static int snd_trident_spdif_hw_params(struct snd_pcm_substream *substream,
1334 struct snd_pcm_hw_params *hw_params)
1336 struct snd_trident *trident = snd_pcm_substream_chip(substream);
1337 unsigned int old_bits = 0, change = 0;
1338 int err;
1340 err = snd_trident_allocate_pcm_mem(substream, hw_params);
1341 if (err < 0)
1342 return err;
1344 if (trident->device == TRIDENT_DEVICE_ID_SI7018) {
1345 err = snd_trident_allocate_evoice(substream, hw_params);
1346 if (err < 0)
1347 return err;
1350 /* prepare SPDIF channel */
1351 spin_lock_irq(&trident->reg_lock);
1352 old_bits = trident->spdif_pcm_bits;
1353 if (old_bits & IEC958_AES0_PROFESSIONAL)
1354 trident->spdif_pcm_bits &= ~IEC958_AES0_PRO_FS;
1355 else
1356 trident->spdif_pcm_bits &= ~(IEC958_AES3_CON_FS << 24);
1357 if (params_rate(hw_params) >= 48000) {
1358 trident->spdif_pcm_ctrl = 0x3c; // 48000 Hz
1359 trident->spdif_pcm_bits |=
1360 trident->spdif_bits & IEC958_AES0_PROFESSIONAL ?
1361 IEC958_AES0_PRO_FS_48000 :
1362 (IEC958_AES3_CON_FS_48000 << 24);
1364 else if (params_rate(hw_params) >= 44100) {
1365 trident->spdif_pcm_ctrl = 0x3e; // 44100 Hz
1366 trident->spdif_pcm_bits |=
1367 trident->spdif_bits & IEC958_AES0_PROFESSIONAL ?
1368 IEC958_AES0_PRO_FS_44100 :
1369 (IEC958_AES3_CON_FS_44100 << 24);
1371 else {
1372 trident->spdif_pcm_ctrl = 0x3d; // 32000 Hz
1373 trident->spdif_pcm_bits |=
1374 trident->spdif_bits & IEC958_AES0_PROFESSIONAL ?
1375 IEC958_AES0_PRO_FS_32000 :
1376 (IEC958_AES3_CON_FS_32000 << 24);
1378 change = old_bits != trident->spdif_pcm_bits;
1379 spin_unlock_irq(&trident->reg_lock);
1381 if (change)
1382 snd_ctl_notify(trident->card, SNDRV_CTL_EVENT_MASK_VALUE, &trident->spdif_pcm_ctl->id);
1384 return 0;
1387 /*---------------------------------------------------------------------------
1388 snd_trident_spdif_prepare
1390 Description: Prepare SPDIF device for playback.
1392 Parameters: substream - PCM substream class
1394 Returns: Error status
1396 ---------------------------------------------------------------------------*/
1398 static int snd_trident_spdif_prepare(struct snd_pcm_substream *substream)
1400 struct snd_trident *trident = snd_pcm_substream_chip(substream);
1401 struct snd_pcm_runtime *runtime = substream->runtime;
1402 struct snd_trident_voice *voice = runtime->private_data;
1403 struct snd_trident_voice *evoice = voice->extra;
1404 struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[substream->number];
1405 unsigned int RESO, LBAO;
1406 unsigned int temp;
1408 spin_lock_irq(&trident->reg_lock);
1410 if (trident->device != TRIDENT_DEVICE_ID_SI7018) {
1412 /* set delta (rate) value */
1413 voice->Delta = snd_trident_convert_rate(runtime->rate);
1414 voice->spurious_threshold = snd_trident_spurious_threshold(runtime->rate, runtime->period_size);
1416 /* set Loop Back Address */
1417 LBAO = runtime->dma_addr;
1418 if (voice->memblk)
1419 voice->LBA = voice->memblk->offset;
1420 else
1421 voice->LBA = LBAO;
1423 voice->isync = 1;
1424 voice->isync3 = 1;
1425 voice->isync_mark = runtime->period_size;
1426 voice->isync_max = runtime->buffer_size;
1428 /* set target ESO for channel */
1429 RESO = runtime->buffer_size - 1;
1430 voice->ESO = voice->isync_ESO = (runtime->period_size * 2) + 6 - 1;
1432 /* set ctrl mode */
1433 voice->CTRL = snd_trident_control_mode(substream);
1435 voice->FMC = 3;
1436 voice->RVol = 0x7f;
1437 voice->CVol = 0x7f;
1438 voice->GVSel = 1;
1439 voice->Pan = 0x7f;
1440 voice->Vol = 0x3ff;
1441 voice->EC = 0;
1442 voice->CSO = 0;
1443 voice->Alpha = 0;
1444 voice->FMS = 0;
1445 voice->Attribute = 0;
1447 /* prepare surrogate IRQ channel */
1448 snd_trident_write_voice_regs(trident, voice);
1450 outw((RESO & 0xffff), TRID_REG(trident, NX_SPESO));
1451 outb((RESO >> 16), TRID_REG(trident, NX_SPESO + 2));
1452 outl((LBAO & 0xfffffffc), TRID_REG(trident, NX_SPLBA));
1453 outw((voice->CSO & 0xffff), TRID_REG(trident, NX_SPCTRL_SPCSO));
1454 outb((voice->CSO >> 16), TRID_REG(trident, NX_SPCTRL_SPCSO + 2));
1456 /* set SPDIF setting */
1457 outb(trident->spdif_pcm_ctrl, TRID_REG(trident, NX_SPCTRL_SPCSO + 3));
1458 outl(trident->spdif_pcm_bits, TRID_REG(trident, NX_SPCSTATUS));
1460 } else { /* SiS */
1462 /* set delta (rate) value */
1463 voice->Delta = 0x800;
1464 voice->spurious_threshold = snd_trident_spurious_threshold(48000, runtime->period_size);
1466 /* set Loop Begin Address */
1467 if (voice->memblk)
1468 voice->LBA = voice->memblk->offset;
1469 else
1470 voice->LBA = runtime->dma_addr;
1472 voice->CSO = 0;
1473 voice->ESO = runtime->buffer_size - 1; /* in samples */
1474 voice->CTRL = snd_trident_control_mode(substream);
1475 voice->FMC = 3;
1476 voice->GVSel = 1;
1477 voice->EC = 0;
1478 voice->Alpha = 0;
1479 voice->FMS = 0;
1480 voice->Vol = mix->vol;
1481 voice->RVol = mix->rvol;
1482 voice->CVol = mix->cvol;
1483 voice->Pan = mix->pan;
1484 voice->Attribute = (1<<(30-16))|(7<<(26-16))|
1485 (0<<(24-16))|(0<<(19-16));
1487 snd_trident_write_voice_regs(trident, voice);
1489 if (evoice != NULL) {
1490 evoice->Delta = voice->Delta;
1491 evoice->spurious_threshold = voice->spurious_threshold;
1492 evoice->LBA = voice->LBA;
1493 evoice->CSO = 0;
1494 evoice->ESO = (runtime->period_size * 2) + 4 - 1; /* in samples */
1495 evoice->CTRL = voice->CTRL;
1496 evoice->FMC = 3;
1497 evoice->GVSel = trident->device == TRIDENT_DEVICE_ID_SI7018 ? 0 : 1;
1498 evoice->EC = 0;
1499 evoice->Alpha = 0;
1500 evoice->FMS = 0;
1501 evoice->Vol = 0x3ff; /* mute */
1502 evoice->RVol = evoice->CVol = 0x7f; /* mute */
1503 evoice->Pan = 0x7f; /* mute */
1504 evoice->Attribute = 0;
1505 snd_trident_write_voice_regs(trident, evoice);
1506 evoice->isync2 = 1;
1507 evoice->isync_mark = runtime->period_size;
1508 evoice->ESO = (runtime->period_size * 2) - 1;
1511 outl(trident->spdif_pcm_bits, TRID_REG(trident, SI_SPDIF_CS));
1512 temp = inl(TRID_REG(trident, T4D_LFO_GC_CIR));
1513 temp &= ~(1<<19);
1514 outl(temp, TRID_REG(trident, T4D_LFO_GC_CIR));
1515 temp = inl(TRID_REG(trident, SI_SERIAL_INTF_CTRL));
1516 temp |= SPDIF_EN;
1517 outl(temp, TRID_REG(trident, SI_SERIAL_INTF_CTRL));
1520 spin_unlock_irq(&trident->reg_lock);
1522 return 0;
1525 /*---------------------------------------------------------------------------
1526 snd_trident_trigger
1528 Description: Start/stop devices
1530 Parameters: substream - PCM substream class
1531 cmd - trigger command (STOP, GO)
1533 Returns: Error status
1535 ---------------------------------------------------------------------------*/
1537 static int snd_trident_trigger(struct snd_pcm_substream *substream,
1538 int cmd)
1541 struct snd_trident *trident = snd_pcm_substream_chip(substream);
1542 struct snd_pcm_substream *s;
1543 unsigned int what, whati, capture_flag, spdif_flag;
1544 struct snd_trident_voice *voice, *evoice;
1545 unsigned int val, go;
1547 switch (cmd) {
1548 case SNDRV_PCM_TRIGGER_START:
1549 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1550 case SNDRV_PCM_TRIGGER_RESUME:
1551 go = 1;
1552 break;
1553 case SNDRV_PCM_TRIGGER_STOP:
1554 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1555 case SNDRV_PCM_TRIGGER_SUSPEND:
1556 go = 0;
1557 break;
1558 default:
1559 return -EINVAL;
1561 what = whati = capture_flag = spdif_flag = 0;
1562 spin_lock(&trident->reg_lock);
1563 val = inl(TRID_REG(trident, T4D_STIMER)) & 0x00ffffff;
1564 snd_pcm_group_for_each_entry(s, substream) {
1565 if ((struct snd_trident *) snd_pcm_substream_chip(s) == trident) {
1566 voice = s->runtime->private_data;
1567 evoice = voice->extra;
1568 what |= 1 << (voice->number & 0x1f);
1569 if (evoice == NULL) {
1570 whati |= 1 << (voice->number & 0x1f);
1571 } else {
1572 what |= 1 << (evoice->number & 0x1f);
1573 whati |= 1 << (evoice->number & 0x1f);
1574 if (go)
1575 evoice->stimer = val;
1577 if (go) {
1578 voice->running = 1;
1579 voice->stimer = val;
1580 } else {
1581 voice->running = 0;
1583 snd_pcm_trigger_done(s, substream);
1584 if (voice->capture)
1585 capture_flag = 1;
1586 if (voice->spdif)
1587 spdif_flag = 1;
1590 if (spdif_flag) {
1591 if (trident->device != TRIDENT_DEVICE_ID_SI7018) {
1592 outl(trident->spdif_pcm_bits, TRID_REG(trident, NX_SPCSTATUS));
1593 outb(trident->spdif_pcm_ctrl, TRID_REG(trident, NX_SPCTRL_SPCSO + 3));
1594 } else {
1595 outl(trident->spdif_pcm_bits, TRID_REG(trident, SI_SPDIF_CS));
1596 val = inl(TRID_REG(trident, SI_SERIAL_INTF_CTRL)) | SPDIF_EN;
1597 outl(val, TRID_REG(trident, SI_SERIAL_INTF_CTRL));
1600 if (!go)
1601 outl(what, TRID_REG(trident, T4D_STOP_B));
1602 val = inl(TRID_REG(trident, T4D_AINTEN_B));
1603 if (go) {
1604 val |= whati;
1605 } else {
1606 val &= ~whati;
1608 outl(val, TRID_REG(trident, T4D_AINTEN_B));
1609 if (go) {
1610 outl(what, TRID_REG(trident, T4D_START_B));
1612 if (capture_flag && trident->device != TRIDENT_DEVICE_ID_SI7018)
1613 outb(trident->bDMAStart, TRID_REG(trident, T4D_SBCTRL_SBE2R_SBDD));
1614 } else {
1615 if (capture_flag && trident->device != TRIDENT_DEVICE_ID_SI7018)
1616 outb(0x00, TRID_REG(trident, T4D_SBCTRL_SBE2R_SBDD));
1618 spin_unlock(&trident->reg_lock);
1619 return 0;
1622 /*---------------------------------------------------------------------------
1623 snd_trident_playback_pointer
1625 Description: This routine return the playback position
1627 Parameters: substream - PCM substream class
1629 Returns: position of buffer
1631 ---------------------------------------------------------------------------*/
1633 static snd_pcm_uframes_t snd_trident_playback_pointer(struct snd_pcm_substream *substream)
1635 struct snd_trident *trident = snd_pcm_substream_chip(substream);
1636 struct snd_pcm_runtime *runtime = substream->runtime;
1637 struct snd_trident_voice *voice = runtime->private_data;
1638 unsigned int cso;
1640 if (!voice->running)
1641 return 0;
1643 spin_lock(&trident->reg_lock);
1645 outb(voice->number, TRID_REG(trident, T4D_LFO_GC_CIR));
1647 if (trident->device != TRIDENT_DEVICE_ID_NX) {
1648 cso = inw(TRID_REG(trident, CH_DX_CSO_ALPHA_FMS + 2));
1649 } else { // ID_4DWAVE_NX
1650 cso = (unsigned int) inl(TRID_REG(trident, CH_NX_DELTA_CSO)) & 0x00ffffff;
1653 spin_unlock(&trident->reg_lock);
1655 if (cso >= runtime->buffer_size)
1656 cso = 0;
1658 return cso;
1661 /*---------------------------------------------------------------------------
1662 snd_trident_capture_pointer
1664 Description: This routine return the capture position
1666 Parameters: pcm1 - PCM device class
1668 Returns: position of buffer
1670 ---------------------------------------------------------------------------*/
1672 static snd_pcm_uframes_t snd_trident_capture_pointer(struct snd_pcm_substream *substream)
1674 struct snd_trident *trident = snd_pcm_substream_chip(substream);
1675 struct snd_pcm_runtime *runtime = substream->runtime;
1676 struct snd_trident_voice *voice = runtime->private_data;
1677 unsigned int result;
1679 if (!voice->running)
1680 return 0;
1682 result = inw(TRID_REG(trident, T4D_SBBL_SBCL));
1683 if (runtime->channels > 1)
1684 result >>= 1;
1685 if (result > 0)
1686 result = runtime->buffer_size - result;
1688 return result;
1691 /*---------------------------------------------------------------------------
1692 snd_trident_spdif_pointer
1694 Description: This routine return the SPDIF playback position
1696 Parameters: substream - PCM substream class
1698 Returns: position of buffer
1700 ---------------------------------------------------------------------------*/
1702 static snd_pcm_uframes_t snd_trident_spdif_pointer(struct snd_pcm_substream *substream)
1704 struct snd_trident *trident = snd_pcm_substream_chip(substream);
1705 struct snd_pcm_runtime *runtime = substream->runtime;
1706 struct snd_trident_voice *voice = runtime->private_data;
1707 unsigned int result;
1709 if (!voice->running)
1710 return 0;
1712 result = inl(TRID_REG(trident, NX_SPCTRL_SPCSO)) & 0x00ffffff;
1714 return result;
1718 * Playback support device description
1721 static struct snd_pcm_hardware snd_trident_playback =
1723 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1724 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1725 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START |
1726 SNDRV_PCM_INFO_PAUSE /* | SNDRV_PCM_INFO_RESUME */),
1727 .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
1728 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE),
1729 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1730 .rate_min = 4000,
1731 .rate_max = 48000,
1732 .channels_min = 1,
1733 .channels_max = 2,
1734 .buffer_bytes_max = (256*1024),
1735 .period_bytes_min = 64,
1736 .period_bytes_max = (256*1024),
1737 .periods_min = 1,
1738 .periods_max = 1024,
1739 .fifo_size = 0,
1743 * Capture support device description
1746 static struct snd_pcm_hardware snd_trident_capture =
1748 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1749 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1750 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START |
1751 SNDRV_PCM_INFO_PAUSE /* | SNDRV_PCM_INFO_RESUME */),
1752 .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
1753 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE),
1754 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1755 .rate_min = 4000,
1756 .rate_max = 48000,
1757 .channels_min = 1,
1758 .channels_max = 2,
1759 .buffer_bytes_max = (128*1024),
1760 .period_bytes_min = 64,
1761 .period_bytes_max = (128*1024),
1762 .periods_min = 1,
1763 .periods_max = 1024,
1764 .fifo_size = 0,
1768 * Foldback capture support device description
1771 static struct snd_pcm_hardware snd_trident_foldback =
1773 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1774 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1775 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START |
1776 SNDRV_PCM_INFO_PAUSE /* | SNDRV_PCM_INFO_RESUME */),
1777 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1778 .rates = SNDRV_PCM_RATE_48000,
1779 .rate_min = 48000,
1780 .rate_max = 48000,
1781 .channels_min = 2,
1782 .channels_max = 2,
1783 .buffer_bytes_max = (128*1024),
1784 .period_bytes_min = 64,
1785 .period_bytes_max = (128*1024),
1786 .periods_min = 1,
1787 .periods_max = 1024,
1788 .fifo_size = 0,
1792 * SPDIF playback support device description
1795 static struct snd_pcm_hardware snd_trident_spdif =
1797 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1798 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1799 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START |
1800 SNDRV_PCM_INFO_PAUSE /* | SNDRV_PCM_INFO_RESUME */),
1801 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1802 .rates = (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |
1803 SNDRV_PCM_RATE_48000),
1804 .rate_min = 32000,
1805 .rate_max = 48000,
1806 .channels_min = 2,
1807 .channels_max = 2,
1808 .buffer_bytes_max = (128*1024),
1809 .period_bytes_min = 64,
1810 .period_bytes_max = (128*1024),
1811 .periods_min = 1,
1812 .periods_max = 1024,
1813 .fifo_size = 0,
1816 static struct snd_pcm_hardware snd_trident_spdif_7018 =
1818 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1819 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1820 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START |
1821 SNDRV_PCM_INFO_PAUSE /* | SNDRV_PCM_INFO_RESUME */),
1822 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1823 .rates = SNDRV_PCM_RATE_48000,
1824 .rate_min = 48000,
1825 .rate_max = 48000,
1826 .channels_min = 2,
1827 .channels_max = 2,
1828 .buffer_bytes_max = (128*1024),
1829 .period_bytes_min = 64,
1830 .period_bytes_max = (128*1024),
1831 .periods_min = 1,
1832 .periods_max = 1024,
1833 .fifo_size = 0,
1836 static void snd_trident_pcm_free_substream(struct snd_pcm_runtime *runtime)
1838 struct snd_trident_voice *voice = runtime->private_data;
1839 struct snd_trident *trident;
1841 if (voice) {
1842 trident = voice->trident;
1843 snd_trident_free_voice(trident, voice);
1847 static int snd_trident_playback_open(struct snd_pcm_substream *substream)
1849 struct snd_trident *trident = snd_pcm_substream_chip(substream);
1850 struct snd_pcm_runtime *runtime = substream->runtime;
1851 struct snd_trident_voice *voice;
1853 voice = snd_trident_alloc_voice(trident, SNDRV_TRIDENT_VOICE_TYPE_PCM, 0, 0);
1854 if (voice == NULL)
1855 return -EAGAIN;
1856 snd_trident_pcm_mixer_build(trident, voice, substream);
1857 voice->substream = substream;
1858 runtime->private_data = voice;
1859 runtime->private_free = snd_trident_pcm_free_substream;
1860 runtime->hw = snd_trident_playback;
1861 snd_pcm_set_sync(substream);
1862 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0, 64*1024);
1863 return 0;
1866 /*---------------------------------------------------------------------------
1867 snd_trident_playback_close
1869 Description: This routine will close the 4DWave playback device. For now
1870 we will simply free the dma transfer buffer.
1872 Parameters: substream - PCM substream class
1874 ---------------------------------------------------------------------------*/
1875 static int snd_trident_playback_close(struct snd_pcm_substream *substream)
1877 struct snd_trident *trident = snd_pcm_substream_chip(substream);
1878 struct snd_pcm_runtime *runtime = substream->runtime;
1879 struct snd_trident_voice *voice = runtime->private_data;
1881 snd_trident_pcm_mixer_free(trident, voice, substream);
1882 return 0;
1885 /*---------------------------------------------------------------------------
1886 snd_trident_spdif_open
1888 Description: This routine will open the 4DWave SPDIF device.
1890 Parameters: substream - PCM substream class
1892 Returns: status - success or failure flag
1894 ---------------------------------------------------------------------------*/
1896 static int snd_trident_spdif_open(struct snd_pcm_substream *substream)
1898 struct snd_trident *trident = snd_pcm_substream_chip(substream);
1899 struct snd_trident_voice *voice;
1900 struct snd_pcm_runtime *runtime = substream->runtime;
1902 voice = snd_trident_alloc_voice(trident, SNDRV_TRIDENT_VOICE_TYPE_PCM, 0, 0);
1903 if (voice == NULL)
1904 return -EAGAIN;
1905 voice->spdif = 1;
1906 voice->substream = substream;
1907 spin_lock_irq(&trident->reg_lock);
1908 trident->spdif_pcm_bits = trident->spdif_bits;
1909 spin_unlock_irq(&trident->reg_lock);
1911 runtime->private_data = voice;
1912 runtime->private_free = snd_trident_pcm_free_substream;
1913 if (trident->device == TRIDENT_DEVICE_ID_SI7018) {
1914 runtime->hw = snd_trident_spdif;
1915 } else {
1916 runtime->hw = snd_trident_spdif_7018;
1919 trident->spdif_pcm_ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1920 snd_ctl_notify(trident->card, SNDRV_CTL_EVENT_MASK_VALUE |
1921 SNDRV_CTL_EVENT_MASK_INFO, &trident->spdif_pcm_ctl->id);
1923 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0, 64*1024);
1924 return 0;
1928 /*---------------------------------------------------------------------------
1929 snd_trident_spdif_close
1931 Description: This routine will close the 4DWave SPDIF device.
1933 Parameters: substream - PCM substream class
1935 ---------------------------------------------------------------------------*/
1937 static int snd_trident_spdif_close(struct snd_pcm_substream *substream)
1939 struct snd_trident *trident = snd_pcm_substream_chip(substream);
1940 unsigned int temp;
1942 spin_lock_irq(&trident->reg_lock);
1943 // restore default SPDIF setting
1944 if (trident->device != TRIDENT_DEVICE_ID_SI7018) {
1945 outb(trident->spdif_ctrl, TRID_REG(trident, NX_SPCTRL_SPCSO + 3));
1946 outl(trident->spdif_bits, TRID_REG(trident, NX_SPCSTATUS));
1947 } else {
1948 outl(trident->spdif_bits, TRID_REG(trident, SI_SPDIF_CS));
1949 temp = inl(TRID_REG(trident, SI_SERIAL_INTF_CTRL));
1950 if (trident->spdif_ctrl) {
1951 temp |= SPDIF_EN;
1952 } else {
1953 temp &= ~SPDIF_EN;
1955 outl(temp, TRID_REG(trident, SI_SERIAL_INTF_CTRL));
1957 spin_unlock_irq(&trident->reg_lock);
1958 trident->spdif_pcm_ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1959 snd_ctl_notify(trident->card, SNDRV_CTL_EVENT_MASK_VALUE |
1960 SNDRV_CTL_EVENT_MASK_INFO, &trident->spdif_pcm_ctl->id);
1961 return 0;
1964 /*---------------------------------------------------------------------------
1965 snd_trident_capture_open
1967 Description: This routine will open the 4DWave capture device.
1969 Parameters: substream - PCM substream class
1971 Returns: status - success or failure flag
1973 ---------------------------------------------------------------------------*/
1975 static int snd_trident_capture_open(struct snd_pcm_substream *substream)
1977 struct snd_trident *trident = snd_pcm_substream_chip(substream);
1978 struct snd_trident_voice *voice;
1979 struct snd_pcm_runtime *runtime = substream->runtime;
1981 voice = snd_trident_alloc_voice(trident, SNDRV_TRIDENT_VOICE_TYPE_PCM, 0, 0);
1982 if (voice == NULL)
1983 return -EAGAIN;
1984 voice->capture = 1;
1985 voice->substream = substream;
1986 runtime->private_data = voice;
1987 runtime->private_free = snd_trident_pcm_free_substream;
1988 runtime->hw = snd_trident_capture;
1989 snd_pcm_set_sync(substream);
1990 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0, 64*1024);
1991 return 0;
1994 /*---------------------------------------------------------------------------
1995 snd_trident_capture_close
1997 Description: This routine will close the 4DWave capture device. For now
1998 we will simply free the dma transfer buffer.
2000 Parameters: substream - PCM substream class
2002 ---------------------------------------------------------------------------*/
2003 static int snd_trident_capture_close(struct snd_pcm_substream *substream)
2005 return 0;
2008 /*---------------------------------------------------------------------------
2009 snd_trident_foldback_open
2011 Description: This routine will open the 4DWave foldback capture device.
2013 Parameters: substream - PCM substream class
2015 Returns: status - success or failure flag
2017 ---------------------------------------------------------------------------*/
2019 static int snd_trident_foldback_open(struct snd_pcm_substream *substream)
2021 struct snd_trident *trident = snd_pcm_substream_chip(substream);
2022 struct snd_trident_voice *voice;
2023 struct snd_pcm_runtime *runtime = substream->runtime;
2025 voice = snd_trident_alloc_voice(trident, SNDRV_TRIDENT_VOICE_TYPE_PCM, 0, 0);
2026 if (voice == NULL)
2027 return -EAGAIN;
2028 voice->foldback_chan = substream->number;
2029 voice->substream = substream;
2030 runtime->private_data = voice;
2031 runtime->private_free = snd_trident_pcm_free_substream;
2032 runtime->hw = snd_trident_foldback;
2033 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0, 64*1024);
2034 return 0;
2037 /*---------------------------------------------------------------------------
2038 snd_trident_foldback_close
2040 Description: This routine will close the 4DWave foldback capture device.
2041 For now we will simply free the dma transfer buffer.
2043 Parameters: substream - PCM substream class
2045 ---------------------------------------------------------------------------*/
2046 static int snd_trident_foldback_close(struct snd_pcm_substream *substream)
2048 struct snd_trident *trident = snd_pcm_substream_chip(substream);
2049 struct snd_trident_voice *voice;
2050 struct snd_pcm_runtime *runtime = substream->runtime;
2051 voice = runtime->private_data;
2053 /* stop capture channel */
2054 spin_lock_irq(&trident->reg_lock);
2055 outb(0x00, TRID_REG(trident, T4D_RCI + voice->foldback_chan));
2056 spin_unlock_irq(&trident->reg_lock);
2057 return 0;
2060 /*---------------------------------------------------------------------------
2061 PCM operations
2062 ---------------------------------------------------------------------------*/
2064 static struct snd_pcm_ops snd_trident_playback_ops = {
2065 .open = snd_trident_playback_open,
2066 .close = snd_trident_playback_close,
2067 .ioctl = snd_trident_ioctl,
2068 .hw_params = snd_trident_hw_params,
2069 .hw_free = snd_trident_hw_free,
2070 .prepare = snd_trident_playback_prepare,
2071 .trigger = snd_trident_trigger,
2072 .pointer = snd_trident_playback_pointer,
2075 static struct snd_pcm_ops snd_trident_nx_playback_ops = {
2076 .open = snd_trident_playback_open,
2077 .close = snd_trident_playback_close,
2078 .ioctl = snd_trident_ioctl,
2079 .hw_params = snd_trident_hw_params,
2080 .hw_free = snd_trident_hw_free,
2081 .prepare = snd_trident_playback_prepare,
2082 .trigger = snd_trident_trigger,
2083 .pointer = snd_trident_playback_pointer,
2084 .page = snd_pcm_sgbuf_ops_page,
2087 static struct snd_pcm_ops snd_trident_capture_ops = {
2088 .open = snd_trident_capture_open,
2089 .close = snd_trident_capture_close,
2090 .ioctl = snd_trident_ioctl,
2091 .hw_params = snd_trident_capture_hw_params,
2092 .hw_free = snd_trident_hw_free,
2093 .prepare = snd_trident_capture_prepare,
2094 .trigger = snd_trident_trigger,
2095 .pointer = snd_trident_capture_pointer,
2098 static struct snd_pcm_ops snd_trident_si7018_capture_ops = {
2099 .open = snd_trident_capture_open,
2100 .close = snd_trident_capture_close,
2101 .ioctl = snd_trident_ioctl,
2102 .hw_params = snd_trident_si7018_capture_hw_params,
2103 .hw_free = snd_trident_si7018_capture_hw_free,
2104 .prepare = snd_trident_si7018_capture_prepare,
2105 .trigger = snd_trident_trigger,
2106 .pointer = snd_trident_playback_pointer,
2109 static struct snd_pcm_ops snd_trident_foldback_ops = {
2110 .open = snd_trident_foldback_open,
2111 .close = snd_trident_foldback_close,
2112 .ioctl = snd_trident_ioctl,
2113 .hw_params = snd_trident_hw_params,
2114 .hw_free = snd_trident_hw_free,
2115 .prepare = snd_trident_foldback_prepare,
2116 .trigger = snd_trident_trigger,
2117 .pointer = snd_trident_playback_pointer,
2120 static struct snd_pcm_ops snd_trident_nx_foldback_ops = {
2121 .open = snd_trident_foldback_open,
2122 .close = snd_trident_foldback_close,
2123 .ioctl = snd_trident_ioctl,
2124 .hw_params = snd_trident_hw_params,
2125 .hw_free = snd_trident_hw_free,
2126 .prepare = snd_trident_foldback_prepare,
2127 .trigger = snd_trident_trigger,
2128 .pointer = snd_trident_playback_pointer,
2129 .page = snd_pcm_sgbuf_ops_page,
2132 static struct snd_pcm_ops snd_trident_spdif_ops = {
2133 .open = snd_trident_spdif_open,
2134 .close = snd_trident_spdif_close,
2135 .ioctl = snd_trident_ioctl,
2136 .hw_params = snd_trident_spdif_hw_params,
2137 .hw_free = snd_trident_hw_free,
2138 .prepare = snd_trident_spdif_prepare,
2139 .trigger = snd_trident_trigger,
2140 .pointer = snd_trident_spdif_pointer,
2143 static struct snd_pcm_ops snd_trident_spdif_7018_ops = {
2144 .open = snd_trident_spdif_open,
2145 .close = snd_trident_spdif_close,
2146 .ioctl = snd_trident_ioctl,
2147 .hw_params = snd_trident_spdif_hw_params,
2148 .hw_free = snd_trident_hw_free,
2149 .prepare = snd_trident_spdif_prepare,
2150 .trigger = snd_trident_trigger,
2151 .pointer = snd_trident_playback_pointer,
2154 /*---------------------------------------------------------------------------
2155 snd_trident_pcm
2157 Description: This routine registers the 4DWave device for PCM support.
2159 Parameters: trident - pointer to target device class for 4DWave.
2161 Returns: None
2163 ---------------------------------------------------------------------------*/
2165 int __devinit snd_trident_pcm(struct snd_trident * trident,
2166 int device, struct snd_pcm ** rpcm)
2168 struct snd_pcm *pcm;
2169 int err;
2171 if (rpcm)
2172 *rpcm = NULL;
2173 if ((err = snd_pcm_new(trident->card, "trident_dx_nx", device, trident->ChanPCM, 1, &pcm)) < 0)
2174 return err;
2176 pcm->private_data = trident;
2178 if (trident->tlb.entries) {
2179 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_trident_nx_playback_ops);
2180 } else {
2181 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_trident_playback_ops);
2183 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
2184 trident->device != TRIDENT_DEVICE_ID_SI7018 ?
2185 &snd_trident_capture_ops :
2186 &snd_trident_si7018_capture_ops);
2188 pcm->info_flags = 0;
2189 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
2190 strcpy(pcm->name, "Trident 4DWave");
2191 trident->pcm = pcm;
2193 if (trident->tlb.entries) {
2194 struct snd_pcm_substream *substream;
2195 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
2196 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG,
2197 snd_dma_pci_data(trident->pci),
2198 64*1024, 128*1024);
2199 snd_pcm_lib_preallocate_pages(pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream,
2200 SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(trident->pci),
2201 64*1024, 128*1024);
2202 } else {
2203 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
2204 snd_dma_pci_data(trident->pci), 64*1024, 128*1024);
2207 if (rpcm)
2208 *rpcm = pcm;
2209 return 0;
2212 /*---------------------------------------------------------------------------
2213 snd_trident_foldback_pcm
2215 Description: This routine registers the 4DWave device for foldback PCM support.
2217 Parameters: trident - pointer to target device class for 4DWave.
2219 Returns: None
2221 ---------------------------------------------------------------------------*/
2223 int __devinit snd_trident_foldback_pcm(struct snd_trident * trident,
2224 int device, struct snd_pcm ** rpcm)
2226 struct snd_pcm *foldback;
2227 int err;
2228 int num_chan = 3;
2229 struct snd_pcm_substream *substream;
2231 if (rpcm)
2232 *rpcm = NULL;
2233 if (trident->device == TRIDENT_DEVICE_ID_NX)
2234 num_chan = 4;
2235 if ((err = snd_pcm_new(trident->card, "trident_dx_nx", device, 0, num_chan, &foldback)) < 0)
2236 return err;
2238 foldback->private_data = trident;
2239 if (trident->tlb.entries)
2240 snd_pcm_set_ops(foldback, SNDRV_PCM_STREAM_CAPTURE, &snd_trident_nx_foldback_ops);
2241 else
2242 snd_pcm_set_ops(foldback, SNDRV_PCM_STREAM_CAPTURE, &snd_trident_foldback_ops);
2243 foldback->info_flags = 0;
2244 strcpy(foldback->name, "Trident 4DWave");
2245 substream = foldback->streams[SNDRV_PCM_STREAM_CAPTURE].substream;
2246 strcpy(substream->name, "Front Mixer");
2247 substream = substream->next;
2248 strcpy(substream->name, "Reverb Mixer");
2249 substream = substream->next;
2250 strcpy(substream->name, "Chorus Mixer");
2251 if (num_chan == 4) {
2252 substream = substream->next;
2253 strcpy(substream->name, "Second AC'97 ADC");
2255 trident->foldback = foldback;
2257 if (trident->tlb.entries)
2258 snd_pcm_lib_preallocate_pages_for_all(foldback, SNDRV_DMA_TYPE_DEV_SG,
2259 snd_dma_pci_data(trident->pci), 0, 128*1024);
2260 else
2261 snd_pcm_lib_preallocate_pages_for_all(foldback, SNDRV_DMA_TYPE_DEV,
2262 snd_dma_pci_data(trident->pci), 64*1024, 128*1024);
2264 if (rpcm)
2265 *rpcm = foldback;
2266 return 0;
2269 /*---------------------------------------------------------------------------
2270 snd_trident_spdif
2272 Description: This routine registers the 4DWave-NX device for SPDIF support.
2274 Parameters: trident - pointer to target device class for 4DWave-NX.
2276 Returns: None
2278 ---------------------------------------------------------------------------*/
2280 int __devinit snd_trident_spdif_pcm(struct snd_trident * trident,
2281 int device, struct snd_pcm ** rpcm)
2283 struct snd_pcm *spdif;
2284 int err;
2286 if (rpcm)
2287 *rpcm = NULL;
2288 if ((err = snd_pcm_new(trident->card, "trident_dx_nx IEC958", device, 1, 0, &spdif)) < 0)
2289 return err;
2291 spdif->private_data = trident;
2292 if (trident->device != TRIDENT_DEVICE_ID_SI7018) {
2293 snd_pcm_set_ops(spdif, SNDRV_PCM_STREAM_PLAYBACK, &snd_trident_spdif_ops);
2294 } else {
2295 snd_pcm_set_ops(spdif, SNDRV_PCM_STREAM_PLAYBACK, &snd_trident_spdif_7018_ops);
2297 spdif->info_flags = 0;
2298 strcpy(spdif->name, "Trident 4DWave IEC958");
2299 trident->spdif = spdif;
2301 snd_pcm_lib_preallocate_pages_for_all(spdif, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(trident->pci), 64*1024, 128*1024);
2303 if (rpcm)
2304 *rpcm = spdif;
2305 return 0;
2309 * Mixer part
2313 /*---------------------------------------------------------------------------
2314 snd_trident_spdif_control
2316 Description: enable/disable S/PDIF out from ac97 mixer
2317 ---------------------------------------------------------------------------*/
2319 #define snd_trident_spdif_control_info snd_ctl_boolean_mono_info
2321 static int snd_trident_spdif_control_get(struct snd_kcontrol *kcontrol,
2322 struct snd_ctl_elem_value *ucontrol)
2324 struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
2325 unsigned char val;
2327 spin_lock_irq(&trident->reg_lock);
2328 val = trident->spdif_ctrl;
2329 ucontrol->value.integer.value[0] = val == kcontrol->private_value;
2330 spin_unlock_irq(&trident->reg_lock);
2331 return 0;
2334 static int snd_trident_spdif_control_put(struct snd_kcontrol *kcontrol,
2335 struct snd_ctl_elem_value *ucontrol)
2337 struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
2338 unsigned char val;
2339 int change;
2341 val = ucontrol->value.integer.value[0] ? (unsigned char) kcontrol->private_value : 0x00;
2342 spin_lock_irq(&trident->reg_lock);
2343 /* S/PDIF C Channel bits 0-31 : 48khz, SCMS disabled */
2344 change = trident->spdif_ctrl != val;
2345 trident->spdif_ctrl = val;
2346 if (trident->device != TRIDENT_DEVICE_ID_SI7018) {
2347 if ((inb(TRID_REG(trident, NX_SPCTRL_SPCSO + 3)) & 0x10) == 0) {
2348 outl(trident->spdif_bits, TRID_REG(trident, NX_SPCSTATUS));
2349 outb(trident->spdif_ctrl, TRID_REG(trident, NX_SPCTRL_SPCSO + 3));
2351 } else {
2352 if (trident->spdif == NULL) {
2353 unsigned int temp;
2354 outl(trident->spdif_bits, TRID_REG(trident, SI_SPDIF_CS));
2355 temp = inl(TRID_REG(trident, SI_SERIAL_INTF_CTRL)) & ~SPDIF_EN;
2356 if (val)
2357 temp |= SPDIF_EN;
2358 outl(temp, TRID_REG(trident, SI_SERIAL_INTF_CTRL));
2361 spin_unlock_irq(&trident->reg_lock);
2362 return change;
2365 static struct snd_kcontrol_new snd_trident_spdif_control __devinitdata =
2367 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2368 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),
2369 .info = snd_trident_spdif_control_info,
2370 .get = snd_trident_spdif_control_get,
2371 .put = snd_trident_spdif_control_put,
2372 .private_value = 0x28,
2375 /*---------------------------------------------------------------------------
2376 snd_trident_spdif_default
2378 Description: put/get the S/PDIF default settings
2379 ---------------------------------------------------------------------------*/
2381 static int snd_trident_spdif_default_info(struct snd_kcontrol *kcontrol,
2382 struct snd_ctl_elem_info *uinfo)
2384 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2385 uinfo->count = 1;
2386 return 0;
2389 static int snd_trident_spdif_default_get(struct snd_kcontrol *kcontrol,
2390 struct snd_ctl_elem_value *ucontrol)
2392 struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
2394 spin_lock_irq(&trident->reg_lock);
2395 ucontrol->value.iec958.status[0] = (trident->spdif_bits >> 0) & 0xff;
2396 ucontrol->value.iec958.status[1] = (trident->spdif_bits >> 8) & 0xff;
2397 ucontrol->value.iec958.status[2] = (trident->spdif_bits >> 16) & 0xff;
2398 ucontrol->value.iec958.status[3] = (trident->spdif_bits >> 24) & 0xff;
2399 spin_unlock_irq(&trident->reg_lock);
2400 return 0;
2403 static int snd_trident_spdif_default_put(struct snd_kcontrol *kcontrol,
2404 struct snd_ctl_elem_value *ucontrol)
2406 struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
2407 unsigned int val;
2408 int change;
2410 val = (ucontrol->value.iec958.status[0] << 0) |
2411 (ucontrol->value.iec958.status[1] << 8) |
2412 (ucontrol->value.iec958.status[2] << 16) |
2413 (ucontrol->value.iec958.status[3] << 24);
2414 spin_lock_irq(&trident->reg_lock);
2415 change = trident->spdif_bits != val;
2416 trident->spdif_bits = val;
2417 if (trident->device != TRIDENT_DEVICE_ID_SI7018) {
2418 if ((inb(TRID_REG(trident, NX_SPCTRL_SPCSO + 3)) & 0x10) == 0)
2419 outl(trident->spdif_bits, TRID_REG(trident, NX_SPCSTATUS));
2420 } else {
2421 if (trident->spdif == NULL)
2422 outl(trident->spdif_bits, TRID_REG(trident, SI_SPDIF_CS));
2424 spin_unlock_irq(&trident->reg_lock);
2425 return change;
2428 static struct snd_kcontrol_new snd_trident_spdif_default __devinitdata =
2430 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
2431 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
2432 .info = snd_trident_spdif_default_info,
2433 .get = snd_trident_spdif_default_get,
2434 .put = snd_trident_spdif_default_put
2437 /*---------------------------------------------------------------------------
2438 snd_trident_spdif_mask
2440 Description: put/get the S/PDIF mask
2441 ---------------------------------------------------------------------------*/
2443 static int snd_trident_spdif_mask_info(struct snd_kcontrol *kcontrol,
2444 struct snd_ctl_elem_info *uinfo)
2446 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2447 uinfo->count = 1;
2448 return 0;
2451 static int snd_trident_spdif_mask_get(struct snd_kcontrol *kcontrol,
2452 struct snd_ctl_elem_value *ucontrol)
2454 ucontrol->value.iec958.status[0] = 0xff;
2455 ucontrol->value.iec958.status[1] = 0xff;
2456 ucontrol->value.iec958.status[2] = 0xff;
2457 ucontrol->value.iec958.status[3] = 0xff;
2458 return 0;
2461 static struct snd_kcontrol_new snd_trident_spdif_mask __devinitdata =
2463 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2464 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
2465 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK),
2466 .info = snd_trident_spdif_mask_info,
2467 .get = snd_trident_spdif_mask_get,
2470 /*---------------------------------------------------------------------------
2471 snd_trident_spdif_stream
2473 Description: put/get the S/PDIF stream settings
2474 ---------------------------------------------------------------------------*/
2476 static int snd_trident_spdif_stream_info(struct snd_kcontrol *kcontrol,
2477 struct snd_ctl_elem_info *uinfo)
2479 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2480 uinfo->count = 1;
2481 return 0;
2484 static int snd_trident_spdif_stream_get(struct snd_kcontrol *kcontrol,
2485 struct snd_ctl_elem_value *ucontrol)
2487 struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
2489 spin_lock_irq(&trident->reg_lock);
2490 ucontrol->value.iec958.status[0] = (trident->spdif_pcm_bits >> 0) & 0xff;
2491 ucontrol->value.iec958.status[1] = (trident->spdif_pcm_bits >> 8) & 0xff;
2492 ucontrol->value.iec958.status[2] = (trident->spdif_pcm_bits >> 16) & 0xff;
2493 ucontrol->value.iec958.status[3] = (trident->spdif_pcm_bits >> 24) & 0xff;
2494 spin_unlock_irq(&trident->reg_lock);
2495 return 0;
2498 static int snd_trident_spdif_stream_put(struct snd_kcontrol *kcontrol,
2499 struct snd_ctl_elem_value *ucontrol)
2501 struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
2502 unsigned int val;
2503 int change;
2505 val = (ucontrol->value.iec958.status[0] << 0) |
2506 (ucontrol->value.iec958.status[1] << 8) |
2507 (ucontrol->value.iec958.status[2] << 16) |
2508 (ucontrol->value.iec958.status[3] << 24);
2509 spin_lock_irq(&trident->reg_lock);
2510 change = trident->spdif_pcm_bits != val;
2511 trident->spdif_pcm_bits = val;
2512 if (trident->spdif != NULL) {
2513 if (trident->device != TRIDENT_DEVICE_ID_SI7018) {
2514 outl(trident->spdif_pcm_bits, TRID_REG(trident, NX_SPCSTATUS));
2515 } else {
2516 outl(trident->spdif_bits, TRID_REG(trident, SI_SPDIF_CS));
2519 spin_unlock_irq(&trident->reg_lock);
2520 return change;
2523 static struct snd_kcontrol_new snd_trident_spdif_stream __devinitdata =
2525 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
2526 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
2527 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
2528 .info = snd_trident_spdif_stream_info,
2529 .get = snd_trident_spdif_stream_get,
2530 .put = snd_trident_spdif_stream_put
2533 /*---------------------------------------------------------------------------
2534 snd_trident_ac97_control
2536 Description: enable/disable rear path for ac97
2537 ---------------------------------------------------------------------------*/
2539 #define snd_trident_ac97_control_info snd_ctl_boolean_mono_info
2541 static int snd_trident_ac97_control_get(struct snd_kcontrol *kcontrol,
2542 struct snd_ctl_elem_value *ucontrol)
2544 struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
2545 unsigned char val;
2547 spin_lock_irq(&trident->reg_lock);
2548 val = trident->ac97_ctrl = inl(TRID_REG(trident, NX_ACR0_AC97_COM_STAT));
2549 ucontrol->value.integer.value[0] = (val & (1 << kcontrol->private_value)) ? 1 : 0;
2550 spin_unlock_irq(&trident->reg_lock);
2551 return 0;
2554 static int snd_trident_ac97_control_put(struct snd_kcontrol *kcontrol,
2555 struct snd_ctl_elem_value *ucontrol)
2557 struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
2558 unsigned char val;
2559 int change = 0;
2561 spin_lock_irq(&trident->reg_lock);
2562 val = trident->ac97_ctrl = inl(TRID_REG(trident, NX_ACR0_AC97_COM_STAT));
2563 val &= ~(1 << kcontrol->private_value);
2564 if (ucontrol->value.integer.value[0])
2565 val |= 1 << kcontrol->private_value;
2566 change = val != trident->ac97_ctrl;
2567 trident->ac97_ctrl = val;
2568 outl(trident->ac97_ctrl = val, TRID_REG(trident, NX_ACR0_AC97_COM_STAT));
2569 spin_unlock_irq(&trident->reg_lock);
2570 return change;
2573 static struct snd_kcontrol_new snd_trident_ac97_rear_control __devinitdata =
2575 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2576 .name = "Rear Path",
2577 .info = snd_trident_ac97_control_info,
2578 .get = snd_trident_ac97_control_get,
2579 .put = snd_trident_ac97_control_put,
2580 .private_value = 4,
2583 /*---------------------------------------------------------------------------
2584 snd_trident_vol_control
2586 Description: wave & music volume control
2587 ---------------------------------------------------------------------------*/
2589 static int snd_trident_vol_control_info(struct snd_kcontrol *kcontrol,
2590 struct snd_ctl_elem_info *uinfo)
2592 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2593 uinfo->count = 2;
2594 uinfo->value.integer.min = 0;
2595 uinfo->value.integer.max = 255;
2596 return 0;
2599 static int snd_trident_vol_control_get(struct snd_kcontrol *kcontrol,
2600 struct snd_ctl_elem_value *ucontrol)
2602 struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
2603 unsigned int val;
2605 val = trident->musicvol_wavevol;
2606 ucontrol->value.integer.value[0] = 255 - ((val >> kcontrol->private_value) & 0xff);
2607 ucontrol->value.integer.value[1] = 255 - ((val >> (kcontrol->private_value + 8)) & 0xff);
2608 return 0;
2611 static const DECLARE_TLV_DB_SCALE(db_scale_gvol, -6375, 25, 0);
2613 static int snd_trident_vol_control_put(struct snd_kcontrol *kcontrol,
2614 struct snd_ctl_elem_value *ucontrol)
2616 struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
2617 unsigned int val;
2618 int change = 0;
2620 spin_lock_irq(&trident->reg_lock);
2621 val = trident->musicvol_wavevol;
2622 val &= ~(0xffff << kcontrol->private_value);
2623 val |= ((255 - (ucontrol->value.integer.value[0] & 0xff)) |
2624 ((255 - (ucontrol->value.integer.value[1] & 0xff)) << 8)) << kcontrol->private_value;
2625 change = val != trident->musicvol_wavevol;
2626 outl(trident->musicvol_wavevol = val, TRID_REG(trident, T4D_MUSICVOL_WAVEVOL));
2627 spin_unlock_irq(&trident->reg_lock);
2628 return change;
2631 static struct snd_kcontrol_new snd_trident_vol_music_control __devinitdata =
2633 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2634 .name = "Music Playback Volume",
2635 .info = snd_trident_vol_control_info,
2636 .get = snd_trident_vol_control_get,
2637 .put = snd_trident_vol_control_put,
2638 .private_value = 16,
2639 .tlv = { .p = db_scale_gvol },
2642 static struct snd_kcontrol_new snd_trident_vol_wave_control __devinitdata =
2644 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2645 .name = "Wave Playback Volume",
2646 .info = snd_trident_vol_control_info,
2647 .get = snd_trident_vol_control_get,
2648 .put = snd_trident_vol_control_put,
2649 .private_value = 0,
2650 .tlv = { .p = db_scale_gvol },
2653 /*---------------------------------------------------------------------------
2654 snd_trident_pcm_vol_control
2656 Description: PCM front volume control
2657 ---------------------------------------------------------------------------*/
2659 static int snd_trident_pcm_vol_control_info(struct snd_kcontrol *kcontrol,
2660 struct snd_ctl_elem_info *uinfo)
2662 struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
2664 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2665 uinfo->count = 1;
2666 uinfo->value.integer.min = 0;
2667 uinfo->value.integer.max = 255;
2668 if (trident->device == TRIDENT_DEVICE_ID_SI7018)
2669 uinfo->value.integer.max = 1023;
2670 return 0;
2673 static int snd_trident_pcm_vol_control_get(struct snd_kcontrol *kcontrol,
2674 struct snd_ctl_elem_value *ucontrol)
2676 struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
2677 struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)];
2679 if (trident->device == TRIDENT_DEVICE_ID_SI7018) {
2680 ucontrol->value.integer.value[0] = 1023 - mix->vol;
2681 } else {
2682 ucontrol->value.integer.value[0] = 255 - (mix->vol>>2);
2684 return 0;
2687 static int snd_trident_pcm_vol_control_put(struct snd_kcontrol *kcontrol,
2688 struct snd_ctl_elem_value *ucontrol)
2690 struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
2691 struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)];
2692 unsigned int val;
2693 int change = 0;
2695 if (trident->device == TRIDENT_DEVICE_ID_SI7018) {
2696 val = 1023 - (ucontrol->value.integer.value[0] & 1023);
2697 } else {
2698 val = (255 - (ucontrol->value.integer.value[0] & 255)) << 2;
2700 spin_lock_irq(&trident->reg_lock);
2701 change = val != mix->vol;
2702 mix->vol = val;
2703 if (mix->voice != NULL)
2704 snd_trident_write_vol_reg(trident, mix->voice, val);
2705 spin_unlock_irq(&trident->reg_lock);
2706 return change;
2709 static struct snd_kcontrol_new snd_trident_pcm_vol_control __devinitdata =
2711 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2712 .name = "PCM Front Playback Volume",
2713 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
2714 .count = 32,
2715 .info = snd_trident_pcm_vol_control_info,
2716 .get = snd_trident_pcm_vol_control_get,
2717 .put = snd_trident_pcm_vol_control_put,
2718 /* FIXME: no tlv yet */
2721 /*---------------------------------------------------------------------------
2722 snd_trident_pcm_pan_control
2724 Description: PCM front pan control
2725 ---------------------------------------------------------------------------*/
2727 static int snd_trident_pcm_pan_control_info(struct snd_kcontrol *kcontrol,
2728 struct snd_ctl_elem_info *uinfo)
2730 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2731 uinfo->count = 1;
2732 uinfo->value.integer.min = 0;
2733 uinfo->value.integer.max = 127;
2734 return 0;
2737 static int snd_trident_pcm_pan_control_get(struct snd_kcontrol *kcontrol,
2738 struct snd_ctl_elem_value *ucontrol)
2740 struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
2741 struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)];
2743 ucontrol->value.integer.value[0] = mix->pan;
2744 if (ucontrol->value.integer.value[0] & 0x40) {
2745 ucontrol->value.integer.value[0] = (0x3f - (ucontrol->value.integer.value[0] & 0x3f));
2746 } else {
2747 ucontrol->value.integer.value[0] |= 0x40;
2749 return 0;
2752 static int snd_trident_pcm_pan_control_put(struct snd_kcontrol *kcontrol,
2753 struct snd_ctl_elem_value *ucontrol)
2755 struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
2756 struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)];
2757 unsigned char val;
2758 int change = 0;
2760 if (ucontrol->value.integer.value[0] & 0x40)
2761 val = ucontrol->value.integer.value[0] & 0x3f;
2762 else
2763 val = (0x3f - (ucontrol->value.integer.value[0] & 0x3f)) | 0x40;
2764 spin_lock_irq(&trident->reg_lock);
2765 change = val != mix->pan;
2766 mix->pan = val;
2767 if (mix->voice != NULL)
2768 snd_trident_write_pan_reg(trident, mix->voice, val);
2769 spin_unlock_irq(&trident->reg_lock);
2770 return change;
2773 static struct snd_kcontrol_new snd_trident_pcm_pan_control __devinitdata =
2775 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2776 .name = "PCM Pan Playback Control",
2777 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
2778 .count = 32,
2779 .info = snd_trident_pcm_pan_control_info,
2780 .get = snd_trident_pcm_pan_control_get,
2781 .put = snd_trident_pcm_pan_control_put,
2784 /*---------------------------------------------------------------------------
2785 snd_trident_pcm_rvol_control
2787 Description: PCM reverb volume control
2788 ---------------------------------------------------------------------------*/
2790 static int snd_trident_pcm_rvol_control_info(struct snd_kcontrol *kcontrol,
2791 struct snd_ctl_elem_info *uinfo)
2793 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2794 uinfo->count = 1;
2795 uinfo->value.integer.min = 0;
2796 uinfo->value.integer.max = 127;
2797 return 0;
2800 static int snd_trident_pcm_rvol_control_get(struct snd_kcontrol *kcontrol,
2801 struct snd_ctl_elem_value *ucontrol)
2803 struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
2804 struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)];
2806 ucontrol->value.integer.value[0] = 127 - mix->rvol;
2807 return 0;
2810 static int snd_trident_pcm_rvol_control_put(struct snd_kcontrol *kcontrol,
2811 struct snd_ctl_elem_value *ucontrol)
2813 struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
2814 struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)];
2815 unsigned short val;
2816 int change = 0;
2818 val = 0x7f - (ucontrol->value.integer.value[0] & 0x7f);
2819 spin_lock_irq(&trident->reg_lock);
2820 change = val != mix->rvol;
2821 mix->rvol = val;
2822 if (mix->voice != NULL)
2823 snd_trident_write_rvol_reg(trident, mix->voice, val);
2824 spin_unlock_irq(&trident->reg_lock);
2825 return change;
2828 static const DECLARE_TLV_DB_SCALE(db_scale_crvol, -3175, 25, 1);
2830 static struct snd_kcontrol_new snd_trident_pcm_rvol_control __devinitdata =
2832 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2833 .name = "PCM Reverb Playback Volume",
2834 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
2835 .count = 32,
2836 .info = snd_trident_pcm_rvol_control_info,
2837 .get = snd_trident_pcm_rvol_control_get,
2838 .put = snd_trident_pcm_rvol_control_put,
2839 .tlv = { .p = db_scale_crvol },
2842 /*---------------------------------------------------------------------------
2843 snd_trident_pcm_cvol_control
2845 Description: PCM chorus volume control
2846 ---------------------------------------------------------------------------*/
2848 static int snd_trident_pcm_cvol_control_info(struct snd_kcontrol *kcontrol,
2849 struct snd_ctl_elem_info *uinfo)
2851 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2852 uinfo->count = 1;
2853 uinfo->value.integer.min = 0;
2854 uinfo->value.integer.max = 127;
2855 return 0;
2858 static int snd_trident_pcm_cvol_control_get(struct snd_kcontrol *kcontrol,
2859 struct snd_ctl_elem_value *ucontrol)
2861 struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
2862 struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)];
2864 ucontrol->value.integer.value[0] = 127 - mix->cvol;
2865 return 0;
2868 static int snd_trident_pcm_cvol_control_put(struct snd_kcontrol *kcontrol,
2869 struct snd_ctl_elem_value *ucontrol)
2871 struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
2872 struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)];
2873 unsigned short val;
2874 int change = 0;
2876 val = 0x7f - (ucontrol->value.integer.value[0] & 0x7f);
2877 spin_lock_irq(&trident->reg_lock);
2878 change = val != mix->cvol;
2879 mix->cvol = val;
2880 if (mix->voice != NULL)
2881 snd_trident_write_cvol_reg(trident, mix->voice, val);
2882 spin_unlock_irq(&trident->reg_lock);
2883 return change;
2886 static struct snd_kcontrol_new snd_trident_pcm_cvol_control __devinitdata =
2888 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2889 .name = "PCM Chorus Playback Volume",
2890 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
2891 .count = 32,
2892 .info = snd_trident_pcm_cvol_control_info,
2893 .get = snd_trident_pcm_cvol_control_get,
2894 .put = snd_trident_pcm_cvol_control_put,
2895 .tlv = { .p = db_scale_crvol },
2898 static void snd_trident_notify_pcm_change1(struct snd_card *card,
2899 struct snd_kcontrol *kctl,
2900 int num, int activate)
2902 struct snd_ctl_elem_id id;
2904 if (! kctl)
2905 return;
2906 if (activate)
2907 kctl->vd[num].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
2908 else
2909 kctl->vd[num].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
2910 snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE |
2911 SNDRV_CTL_EVENT_MASK_INFO,
2912 snd_ctl_build_ioff(&id, kctl, num));
2915 static void snd_trident_notify_pcm_change(struct snd_trident *trident,
2916 struct snd_trident_pcm_mixer *tmix,
2917 int num, int activate)
2919 snd_trident_notify_pcm_change1(trident->card, trident->ctl_vol, num, activate);
2920 snd_trident_notify_pcm_change1(trident->card, trident->ctl_pan, num, activate);
2921 snd_trident_notify_pcm_change1(trident->card, trident->ctl_rvol, num, activate);
2922 snd_trident_notify_pcm_change1(trident->card, trident->ctl_cvol, num, activate);
2925 static int snd_trident_pcm_mixer_build(struct snd_trident *trident,
2926 struct snd_trident_voice *voice,
2927 struct snd_pcm_substream *substream)
2929 struct snd_trident_pcm_mixer *tmix;
2931 snd_assert(trident != NULL && voice != NULL && substream != NULL, return -EINVAL);
2932 tmix = &trident->pcm_mixer[substream->number];
2933 tmix->voice = voice;
2934 tmix->vol = T4D_DEFAULT_PCM_VOL;
2935 tmix->pan = T4D_DEFAULT_PCM_PAN;
2936 tmix->rvol = T4D_DEFAULT_PCM_RVOL;
2937 tmix->cvol = T4D_DEFAULT_PCM_CVOL;
2938 snd_trident_notify_pcm_change(trident, tmix, substream->number, 1);
2939 return 0;
2942 static int snd_trident_pcm_mixer_free(struct snd_trident *trident, struct snd_trident_voice *voice, struct snd_pcm_substream *substream)
2944 struct snd_trident_pcm_mixer *tmix;
2946 snd_assert(trident != NULL && substream != NULL, return -EINVAL);
2947 tmix = &trident->pcm_mixer[substream->number];
2948 tmix->voice = NULL;
2949 snd_trident_notify_pcm_change(trident, tmix, substream->number, 0);
2950 return 0;
2953 /*---------------------------------------------------------------------------
2954 snd_trident_mixer
2956 Description: This routine registers the 4DWave device for mixer support.
2958 Parameters: trident - pointer to target device class for 4DWave.
2960 Returns: None
2962 ---------------------------------------------------------------------------*/
2964 static int __devinit snd_trident_mixer(struct snd_trident * trident, int pcm_spdif_device)
2966 struct snd_ac97_template _ac97;
2967 struct snd_card *card = trident->card;
2968 struct snd_kcontrol *kctl;
2969 struct snd_ctl_elem_value *uctl;
2970 int idx, err, retries = 2;
2971 static struct snd_ac97_bus_ops ops = {
2972 .write = snd_trident_codec_write,
2973 .read = snd_trident_codec_read,
2976 uctl = kzalloc(sizeof(*uctl), GFP_KERNEL);
2977 if (!uctl)
2978 return -ENOMEM;
2980 if ((err = snd_ac97_bus(trident->card, 0, &ops, NULL, &trident->ac97_bus)) < 0)
2981 goto __out;
2983 memset(&_ac97, 0, sizeof(_ac97));
2984 _ac97.private_data = trident;
2985 trident->ac97_detect = 1;
2987 __again:
2988 if ((err = snd_ac97_mixer(trident->ac97_bus, &_ac97, &trident->ac97)) < 0) {
2989 if (trident->device == TRIDENT_DEVICE_ID_SI7018) {
2990 if ((err = snd_trident_sis_reset(trident)) < 0)
2991 goto __out;
2992 if (retries-- > 0)
2993 goto __again;
2994 err = -EIO;
2996 goto __out;
2999 /* secondary codec? */
3000 if (trident->device == TRIDENT_DEVICE_ID_SI7018 &&
3001 (inl(TRID_REG(trident, SI_SERIAL_INTF_CTRL)) & SI_AC97_PRIMARY_READY) != 0) {
3002 _ac97.num = 1;
3003 err = snd_ac97_mixer(trident->ac97_bus, &_ac97, &trident->ac97_sec);
3004 if (err < 0)
3005 snd_printk(KERN_ERR "SI7018: the secondary codec - invalid access\n");
3006 #if 0 // only for my testing purpose --jk
3008 struct snd_ac97 *mc97;
3009 err = snd_ac97_modem(trident->card, &_ac97, &mc97);
3010 if (err < 0)
3011 snd_printk(KERN_ERR "snd_ac97_modem returned error %i\n", err);
3013 #endif
3016 trident->ac97_detect = 0;
3018 if (trident->device != TRIDENT_DEVICE_ID_SI7018) {
3019 if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_trident_vol_wave_control, trident))) < 0)
3020 goto __out;
3021 kctl->put(kctl, uctl);
3022 if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_trident_vol_music_control, trident))) < 0)
3023 goto __out;
3024 kctl->put(kctl, uctl);
3025 outl(trident->musicvol_wavevol = 0x00000000, TRID_REG(trident, T4D_MUSICVOL_WAVEVOL));
3026 } else {
3027 outl(trident->musicvol_wavevol = 0xffff0000, TRID_REG(trident, T4D_MUSICVOL_WAVEVOL));
3030 for (idx = 0; idx < 32; idx++) {
3031 struct snd_trident_pcm_mixer *tmix;
3033 tmix = &trident->pcm_mixer[idx];
3034 tmix->voice = NULL;
3036 if ((trident->ctl_vol = snd_ctl_new1(&snd_trident_pcm_vol_control, trident)) == NULL)
3037 goto __nomem;
3038 if ((err = snd_ctl_add(card, trident->ctl_vol)))
3039 goto __out;
3041 if ((trident->ctl_pan = snd_ctl_new1(&snd_trident_pcm_pan_control, trident)) == NULL)
3042 goto __nomem;
3043 if ((err = snd_ctl_add(card, trident->ctl_pan)))
3044 goto __out;
3046 if ((trident->ctl_rvol = snd_ctl_new1(&snd_trident_pcm_rvol_control, trident)) == NULL)
3047 goto __nomem;
3048 if ((err = snd_ctl_add(card, trident->ctl_rvol)))
3049 goto __out;
3051 if ((trident->ctl_cvol = snd_ctl_new1(&snd_trident_pcm_cvol_control, trident)) == NULL)
3052 goto __nomem;
3053 if ((err = snd_ctl_add(card, trident->ctl_cvol)))
3054 goto __out;
3056 if (trident->device == TRIDENT_DEVICE_ID_NX) {
3057 if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_trident_ac97_rear_control, trident))) < 0)
3058 goto __out;
3059 kctl->put(kctl, uctl);
3061 if (trident->device == TRIDENT_DEVICE_ID_NX || trident->device == TRIDENT_DEVICE_ID_SI7018) {
3063 kctl = snd_ctl_new1(&snd_trident_spdif_control, trident);
3064 if (kctl == NULL) {
3065 err = -ENOMEM;
3066 goto __out;
3068 if (trident->ac97->ext_id & AC97_EI_SPDIF)
3069 kctl->id.index++;
3070 if (trident->ac97_sec && (trident->ac97_sec->ext_id & AC97_EI_SPDIF))
3071 kctl->id.index++;
3072 idx = kctl->id.index;
3073 if ((err = snd_ctl_add(card, kctl)) < 0)
3074 goto __out;
3075 kctl->put(kctl, uctl);
3077 kctl = snd_ctl_new1(&snd_trident_spdif_default, trident);
3078 if (kctl == NULL) {
3079 err = -ENOMEM;
3080 goto __out;
3082 kctl->id.index = idx;
3083 kctl->id.device = pcm_spdif_device;
3084 if ((err = snd_ctl_add(card, kctl)) < 0)
3085 goto __out;
3087 kctl = snd_ctl_new1(&snd_trident_spdif_mask, trident);
3088 if (kctl == NULL) {
3089 err = -ENOMEM;
3090 goto __out;
3092 kctl->id.index = idx;
3093 kctl->id.device = pcm_spdif_device;
3094 if ((err = snd_ctl_add(card, kctl)) < 0)
3095 goto __out;
3097 kctl = snd_ctl_new1(&snd_trident_spdif_stream, trident);
3098 if (kctl == NULL) {
3099 err = -ENOMEM;
3100 goto __out;
3102 kctl->id.index = idx;
3103 kctl->id.device = pcm_spdif_device;
3104 if ((err = snd_ctl_add(card, kctl)) < 0)
3105 goto __out;
3106 trident->spdif_pcm_ctl = kctl;
3109 err = 0;
3110 goto __out;
3112 __nomem:
3113 err = -ENOMEM;
3115 __out:
3116 kfree(uctl);
3118 return err;
3122 * gameport interface
3125 #if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE))
3127 static unsigned char snd_trident_gameport_read(struct gameport *gameport)
3129 struct snd_trident *chip = gameport_get_port_data(gameport);
3131 snd_assert(chip, return 0);
3132 return inb(TRID_REG(chip, GAMEPORT_LEGACY));
3135 static void snd_trident_gameport_trigger(struct gameport *gameport)
3137 struct snd_trident *chip = gameport_get_port_data(gameport);
3139 snd_assert(chip, return);
3140 outb(0xff, TRID_REG(chip, GAMEPORT_LEGACY));
3143 static int snd_trident_gameport_cooked_read(struct gameport *gameport, int *axes, int *buttons)
3145 struct snd_trident *chip = gameport_get_port_data(gameport);
3146 int i;
3148 snd_assert(chip, return 0);
3150 *buttons = (~inb(TRID_REG(chip, GAMEPORT_LEGACY)) >> 4) & 0xf;
3152 for (i = 0; i < 4; i++) {
3153 axes[i] = inw(TRID_REG(chip, GAMEPORT_AXES + i * 2));
3154 if (axes[i] == 0xffff) axes[i] = -1;
3157 return 0;
3160 static int snd_trident_gameport_open(struct gameport *gameport, int mode)
3162 struct snd_trident *chip = gameport_get_port_data(gameport);
3164 snd_assert(chip, return 0);
3166 switch (mode) {
3167 case GAMEPORT_MODE_COOKED:
3168 outb(GAMEPORT_MODE_ADC, TRID_REG(chip, GAMEPORT_GCR));
3169 msleep(20);
3170 return 0;
3171 case GAMEPORT_MODE_RAW:
3172 outb(0, TRID_REG(chip, GAMEPORT_GCR));
3173 return 0;
3174 default:
3175 return -1;
3179 int __devinit snd_trident_create_gameport(struct snd_trident *chip)
3181 struct gameport *gp;
3183 chip->gameport = gp = gameport_allocate_port();
3184 if (!gp) {
3185 printk(KERN_ERR "trident: cannot allocate memory for gameport\n");
3186 return -ENOMEM;
3189 gameport_set_name(gp, "Trident 4DWave");
3190 gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci));
3191 gameport_set_dev_parent(gp, &chip->pci->dev);
3193 gameport_set_port_data(gp, chip);
3194 gp->fuzz = 64;
3195 gp->read = snd_trident_gameport_read;
3196 gp->trigger = snd_trident_gameport_trigger;
3197 gp->cooked_read = snd_trident_gameport_cooked_read;
3198 gp->open = snd_trident_gameport_open;
3200 gameport_register_port(gp);
3202 return 0;
3205 static inline void snd_trident_free_gameport(struct snd_trident *chip)
3207 if (chip->gameport) {
3208 gameport_unregister_port(chip->gameport);
3209 chip->gameport = NULL;
3212 #else
3213 int __devinit snd_trident_create_gameport(struct snd_trident *chip) { return -ENOSYS; }
3214 static inline void snd_trident_free_gameport(struct snd_trident *chip) { }
3215 #endif /* CONFIG_GAMEPORT */
3218 * delay for 1 tick
3220 static inline void do_delay(struct snd_trident *chip)
3222 schedule_timeout_uninterruptible(1);
3226 * SiS reset routine
3229 static int snd_trident_sis_reset(struct snd_trident *trident)
3231 unsigned long end_time;
3232 unsigned int i;
3233 int r;
3235 r = trident->in_suspend ? 0 : 2; /* count of retries */
3236 __si7018_retry:
3237 pci_write_config_byte(trident->pci, 0x46, 0x04); /* SOFTWARE RESET */
3238 udelay(100);
3239 pci_write_config_byte(trident->pci, 0x46, 0x00);
3240 udelay(100);
3241 /* disable AC97 GPIO interrupt */
3242 outb(0x00, TRID_REG(trident, SI_AC97_GPIO));
3243 /* initialize serial interface, force cold reset */
3244 i = PCMOUT|SURROUT|CENTEROUT|LFEOUT|SECONDARY_ID|COLD_RESET;
3245 outl(i, TRID_REG(trident, SI_SERIAL_INTF_CTRL));
3246 udelay(1000);
3247 /* remove cold reset */
3248 i &= ~COLD_RESET;
3249 outl(i, TRID_REG(trident, SI_SERIAL_INTF_CTRL));
3250 udelay(2000);
3251 /* wait, until the codec is ready */
3252 end_time = (jiffies + (HZ * 3) / 4) + 1;
3253 do {
3254 if ((inl(TRID_REG(trident, SI_SERIAL_INTF_CTRL)) & SI_AC97_PRIMARY_READY) != 0)
3255 goto __si7018_ok;
3256 do_delay(trident);
3257 } while (time_after_eq(end_time, jiffies));
3258 snd_printk(KERN_ERR "AC'97 codec ready error [0x%x]\n", inl(TRID_REG(trident, SI_SERIAL_INTF_CTRL)));
3259 if (r-- > 0) {
3260 end_time = jiffies + HZ;
3261 do {
3262 do_delay(trident);
3263 } while (time_after_eq(end_time, jiffies));
3264 goto __si7018_retry;
3266 __si7018_ok:
3267 /* wait for the second codec */
3268 do {
3269 if ((inl(TRID_REG(trident, SI_SERIAL_INTF_CTRL)) & SI_AC97_SECONDARY_READY) != 0)
3270 break;
3271 do_delay(trident);
3272 } while (time_after_eq(end_time, jiffies));
3273 /* enable 64 channel mode */
3274 outl(BANK_B_EN, TRID_REG(trident, T4D_LFO_GC_CIR));
3275 return 0;
3279 * /proc interface
3282 static void snd_trident_proc_read(struct snd_info_entry *entry,
3283 struct snd_info_buffer *buffer)
3285 struct snd_trident *trident = entry->private_data;
3286 char *s;
3288 switch (trident->device) {
3289 case TRIDENT_DEVICE_ID_SI7018:
3290 s = "SiS 7018 Audio";
3291 break;
3292 case TRIDENT_DEVICE_ID_DX:
3293 s = "Trident 4DWave PCI DX";
3294 break;
3295 case TRIDENT_DEVICE_ID_NX:
3296 s = "Trident 4DWave PCI NX";
3297 break;
3298 default:
3299 s = "???";
3301 snd_iprintf(buffer, "%s\n\n", s);
3302 snd_iprintf(buffer, "Spurious IRQs : %d\n", trident->spurious_irq_count);
3303 snd_iprintf(buffer, "Spurious IRQ dlta: %d\n", trident->spurious_irq_max_delta);
3304 if (trident->device == TRIDENT_DEVICE_ID_NX || trident->device == TRIDENT_DEVICE_ID_SI7018)
3305 snd_iprintf(buffer, "IEC958 Mixer Out : %s\n", trident->spdif_ctrl == 0x28 ? "on" : "off");
3306 if (trident->device == TRIDENT_DEVICE_ID_NX) {
3307 snd_iprintf(buffer, "Rear Speakers : %s\n", trident->ac97_ctrl & 0x00000010 ? "on" : "off");
3308 if (trident->tlb.entries) {
3309 snd_iprintf(buffer,"\nVirtual Memory\n");
3310 snd_iprintf(buffer, "Memory Maximum : %d\n", trident->tlb.memhdr->size);
3311 snd_iprintf(buffer, "Memory Used : %d\n", trident->tlb.memhdr->used);
3312 snd_iprintf(buffer, "Memory Free : %d\n", snd_util_mem_avail(trident->tlb.memhdr));
3317 static void __devinit snd_trident_proc_init(struct snd_trident * trident)
3319 struct snd_info_entry *entry;
3320 const char *s = "trident";
3322 if (trident->device == TRIDENT_DEVICE_ID_SI7018)
3323 s = "sis7018";
3324 if (! snd_card_proc_new(trident->card, s, &entry))
3325 snd_info_set_text_ops(entry, trident, snd_trident_proc_read);
3328 static int snd_trident_dev_free(struct snd_device *device)
3330 struct snd_trident *trident = device->device_data;
3331 return snd_trident_free(trident);
3334 /*---------------------------------------------------------------------------
3335 snd_trident_tlb_alloc
3337 Description: Allocate and set up the TLB page table on 4D NX.
3338 Each entry has 4 bytes (physical PCI address).
3340 Parameters: trident - pointer to target device class for 4DWave.
3342 Returns: 0 or negative error code
3344 ---------------------------------------------------------------------------*/
3346 static int __devinit snd_trident_tlb_alloc(struct snd_trident *trident)
3348 int i;
3350 /* TLB array must be aligned to 16kB !!! so we allocate
3351 32kB region and correct offset when necessary */
3353 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(trident->pci),
3354 2 * SNDRV_TRIDENT_MAX_PAGES * 4, &trident->tlb.buffer) < 0) {
3355 snd_printk(KERN_ERR "trident: unable to allocate TLB buffer\n");
3356 return -ENOMEM;
3358 trident->tlb.entries = (unsigned int*)ALIGN((unsigned long)trident->tlb.buffer.area, SNDRV_TRIDENT_MAX_PAGES * 4);
3359 trident->tlb.entries_dmaaddr = ALIGN(trident->tlb.buffer.addr, SNDRV_TRIDENT_MAX_PAGES * 4);
3360 /* allocate shadow TLB page table (virtual addresses) */
3361 trident->tlb.shadow_entries = vmalloc(SNDRV_TRIDENT_MAX_PAGES*sizeof(unsigned long));
3362 if (trident->tlb.shadow_entries == NULL) {
3363 snd_printk(KERN_ERR "trident: unable to allocate shadow TLB entries\n");
3364 return -ENOMEM;
3366 /* allocate and setup silent page and initialise TLB entries */
3367 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(trident->pci),
3368 SNDRV_TRIDENT_PAGE_SIZE, &trident->tlb.silent_page) < 0) {
3369 snd_printk(KERN_ERR "trident: unable to allocate silent page\n");
3370 return -ENOMEM;
3372 memset(trident->tlb.silent_page.area, 0, SNDRV_TRIDENT_PAGE_SIZE);
3373 for (i = 0; i < SNDRV_TRIDENT_MAX_PAGES; i++) {
3374 trident->tlb.entries[i] = cpu_to_le32(trident->tlb.silent_page.addr & ~(SNDRV_TRIDENT_PAGE_SIZE-1));
3375 trident->tlb.shadow_entries[i] = (unsigned long)trident->tlb.silent_page.area;
3378 /* use emu memory block manager code to manage tlb page allocation */
3379 trident->tlb.memhdr = snd_util_memhdr_new(SNDRV_TRIDENT_PAGE_SIZE * SNDRV_TRIDENT_MAX_PAGES);
3380 if (trident->tlb.memhdr == NULL)
3381 return -ENOMEM;
3383 trident->tlb.memhdr->block_extra_size = sizeof(struct snd_trident_memblk_arg);
3384 return 0;
3388 * initialize 4D DX chip
3391 static void snd_trident_stop_all_voices(struct snd_trident *trident)
3393 outl(0xffffffff, TRID_REG(trident, T4D_STOP_A));
3394 outl(0xffffffff, TRID_REG(trident, T4D_STOP_B));
3395 outl(0, TRID_REG(trident, T4D_AINTEN_A));
3396 outl(0, TRID_REG(trident, T4D_AINTEN_B));
3399 static int snd_trident_4d_dx_init(struct snd_trident *trident)
3401 struct pci_dev *pci = trident->pci;
3402 unsigned long end_time;
3404 /* reset the legacy configuration and whole audio/wavetable block */
3405 pci_write_config_dword(pci, 0x40, 0); /* DDMA */
3406 pci_write_config_byte(pci, 0x44, 0); /* ports */
3407 pci_write_config_byte(pci, 0x45, 0); /* Legacy DMA */
3408 pci_write_config_byte(pci, 0x46, 4); /* reset */
3409 udelay(100);
3410 pci_write_config_byte(pci, 0x46, 0); /* release reset */
3411 udelay(100);
3413 /* warm reset of the AC'97 codec */
3414 outl(0x00000001, TRID_REG(trident, DX_ACR2_AC97_COM_STAT));
3415 udelay(100);
3416 outl(0x00000000, TRID_REG(trident, DX_ACR2_AC97_COM_STAT));
3417 /* DAC on, disable SB IRQ and try to force ADC valid signal */
3418 trident->ac97_ctrl = 0x0000004a;
3419 outl(trident->ac97_ctrl, TRID_REG(trident, DX_ACR2_AC97_COM_STAT));
3420 /* wait, until the codec is ready */
3421 end_time = (jiffies + (HZ * 3) / 4) + 1;
3422 do {
3423 if ((inl(TRID_REG(trident, DX_ACR2_AC97_COM_STAT)) & 0x0010) != 0)
3424 goto __dx_ok;
3425 do_delay(trident);
3426 } while (time_after_eq(end_time, jiffies));
3427 snd_printk(KERN_ERR "AC'97 codec ready error\n");
3428 return -EIO;
3430 __dx_ok:
3431 snd_trident_stop_all_voices(trident);
3433 return 0;
3437 * initialize 4D NX chip
3439 static int snd_trident_4d_nx_init(struct snd_trident *trident)
3441 struct pci_dev *pci = trident->pci;
3442 unsigned long end_time;
3444 /* reset the legacy configuration and whole audio/wavetable block */
3445 pci_write_config_dword(pci, 0x40, 0); /* DDMA */
3446 pci_write_config_byte(pci, 0x44, 0); /* ports */
3447 pci_write_config_byte(pci, 0x45, 0); /* Legacy DMA */
3449 pci_write_config_byte(pci, 0x46, 1); /* reset */
3450 udelay(100);
3451 pci_write_config_byte(pci, 0x46, 0); /* release reset */
3452 udelay(100);
3454 /* warm reset of the AC'97 codec */
3455 outl(0x00000001, TRID_REG(trident, NX_ACR0_AC97_COM_STAT));
3456 udelay(100);
3457 outl(0x00000000, TRID_REG(trident, NX_ACR0_AC97_COM_STAT));
3458 /* wait, until the codec is ready */
3459 end_time = (jiffies + (HZ * 3) / 4) + 1;
3460 do {
3461 if ((inl(TRID_REG(trident, NX_ACR0_AC97_COM_STAT)) & 0x0008) != 0)
3462 goto __nx_ok;
3463 do_delay(trident);
3464 } while (time_after_eq(end_time, jiffies));
3465 snd_printk(KERN_ERR "AC'97 codec ready error [0x%x]\n", inl(TRID_REG(trident, NX_ACR0_AC97_COM_STAT)));
3466 return -EIO;
3468 __nx_ok:
3469 /* DAC on */
3470 trident->ac97_ctrl = 0x00000002;
3471 outl(trident->ac97_ctrl, TRID_REG(trident, NX_ACR0_AC97_COM_STAT));
3472 /* disable SB IRQ */
3473 outl(NX_SB_IRQ_DISABLE, TRID_REG(trident, T4D_MISCINT));
3475 snd_trident_stop_all_voices(trident);
3477 if (trident->tlb.entries != NULL) {
3478 unsigned int i;
3479 /* enable virtual addressing via TLB */
3480 i = trident->tlb.entries_dmaaddr;
3481 i |= 0x00000001;
3482 outl(i, TRID_REG(trident, NX_TLBC));
3483 } else {
3484 outl(0, TRID_REG(trident, NX_TLBC));
3486 /* initialize S/PDIF */
3487 outl(trident->spdif_bits, TRID_REG(trident, NX_SPCSTATUS));
3488 outb(trident->spdif_ctrl, TRID_REG(trident, NX_SPCTRL_SPCSO + 3));
3490 return 0;
3494 * initialize sis7018 chip
3496 static int snd_trident_sis_init(struct snd_trident *trident)
3498 int err;
3500 if ((err = snd_trident_sis_reset(trident)) < 0)
3501 return err;
3503 snd_trident_stop_all_voices(trident);
3505 /* initialize S/PDIF */
3506 outl(trident->spdif_bits, TRID_REG(trident, SI_SPDIF_CS));
3508 return 0;
3511 /*---------------------------------------------------------------------------
3512 snd_trident_create
3514 Description: This routine will create the device specific class for
3515 the 4DWave card. It will also perform basic initialization.
3517 Parameters: card - which card to create
3518 pci - interface to PCI bus resource info
3519 dma1ptr - playback dma buffer
3520 dma2ptr - capture dma buffer
3521 irqptr - interrupt resource info
3523 Returns: 4DWave device class private data
3525 ---------------------------------------------------------------------------*/
3527 int __devinit snd_trident_create(struct snd_card *card,
3528 struct pci_dev *pci,
3529 int pcm_streams,
3530 int pcm_spdif_device,
3531 int max_wavetable_size,
3532 struct snd_trident ** rtrident)
3534 struct snd_trident *trident;
3535 int i, err;
3536 struct snd_trident_voice *voice;
3537 struct snd_trident_pcm_mixer *tmix;
3538 static struct snd_device_ops ops = {
3539 .dev_free = snd_trident_dev_free,
3542 *rtrident = NULL;
3544 /* enable PCI device */
3545 if ((err = pci_enable_device(pci)) < 0)
3546 return err;
3547 /* check, if we can restrict PCI DMA transfers to 30 bits */
3548 if (pci_set_dma_mask(pci, DMA_30BIT_MASK) < 0 ||
3549 pci_set_consistent_dma_mask(pci, DMA_30BIT_MASK) < 0) {
3550 snd_printk(KERN_ERR "architecture does not support 30bit PCI busmaster DMA\n");
3551 pci_disable_device(pci);
3552 return -ENXIO;
3555 trident = kzalloc(sizeof(*trident), GFP_KERNEL);
3556 if (trident == NULL) {
3557 pci_disable_device(pci);
3558 return -ENOMEM;
3560 trident->device = (pci->vendor << 16) | pci->device;
3561 trident->card = card;
3562 trident->pci = pci;
3563 spin_lock_init(&trident->reg_lock);
3564 spin_lock_init(&trident->event_lock);
3565 spin_lock_init(&trident->voice_alloc);
3566 if (pcm_streams < 1)
3567 pcm_streams = 1;
3568 if (pcm_streams > 32)
3569 pcm_streams = 32;
3570 trident->ChanPCM = pcm_streams;
3571 if (max_wavetable_size < 0 )
3572 max_wavetable_size = 0;
3573 trident->synth.max_size = max_wavetable_size * 1024;
3574 trident->irq = -1;
3576 trident->midi_port = TRID_REG(trident, T4D_MPU401_BASE);
3577 pci_set_master(pci);
3579 if ((err = pci_request_regions(pci, "Trident Audio")) < 0) {
3580 kfree(trident);
3581 pci_disable_device(pci);
3582 return err;
3584 trident->port = pci_resource_start(pci, 0);
3586 if (request_irq(pci->irq, snd_trident_interrupt, IRQF_SHARED,
3587 "Trident Audio", trident)) {
3588 snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
3589 snd_trident_free(trident);
3590 return -EBUSY;
3592 trident->irq = pci->irq;
3594 /* allocate 16k-aligned TLB for NX cards */
3595 trident->tlb.entries = NULL;
3596 trident->tlb.buffer.area = NULL;
3597 if (trident->device == TRIDENT_DEVICE_ID_NX) {
3598 if ((err = snd_trident_tlb_alloc(trident)) < 0) {
3599 snd_trident_free(trident);
3600 return err;
3604 trident->spdif_bits = trident->spdif_pcm_bits = SNDRV_PCM_DEFAULT_CON_SPDIF;
3606 /* initialize chip */
3607 switch (trident->device) {
3608 case TRIDENT_DEVICE_ID_DX:
3609 err = snd_trident_4d_dx_init(trident);
3610 break;
3611 case TRIDENT_DEVICE_ID_NX:
3612 err = snd_trident_4d_nx_init(trident);
3613 break;
3614 case TRIDENT_DEVICE_ID_SI7018:
3615 err = snd_trident_sis_init(trident);
3616 break;
3617 default:
3618 snd_BUG();
3619 break;
3621 if (err < 0) {
3622 snd_trident_free(trident);
3623 return err;
3626 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, trident, &ops)) < 0) {
3627 snd_trident_free(trident);
3628 return err;
3631 if ((err = snd_trident_mixer(trident, pcm_spdif_device)) < 0)
3632 return err;
3634 /* initialise synth voices */
3635 for (i = 0; i < 64; i++) {
3636 voice = &trident->synth.voices[i];
3637 voice->number = i;
3638 voice->trident = trident;
3640 /* initialize pcm mixer entries */
3641 for (i = 0; i < 32; i++) {
3642 tmix = &trident->pcm_mixer[i];
3643 tmix->vol = T4D_DEFAULT_PCM_VOL;
3644 tmix->pan = T4D_DEFAULT_PCM_PAN;
3645 tmix->rvol = T4D_DEFAULT_PCM_RVOL;
3646 tmix->cvol = T4D_DEFAULT_PCM_CVOL;
3649 snd_trident_enable_eso(trident);
3651 snd_trident_proc_init(trident);
3652 snd_card_set_dev(card, &pci->dev);
3653 *rtrident = trident;
3654 return 0;
3657 /*---------------------------------------------------------------------------
3658 snd_trident_free
3660 Description: This routine will free the device specific class for
3661 the 4DWave card.
3663 Parameters: trident - device specific private data for 4DWave card
3665 Returns: None.
3667 ---------------------------------------------------------------------------*/
3669 static int snd_trident_free(struct snd_trident *trident)
3671 snd_trident_free_gameport(trident);
3672 snd_trident_disable_eso(trident);
3673 // Disable S/PDIF out
3674 if (trident->device == TRIDENT_DEVICE_ID_NX)
3675 outb(0x00, TRID_REG(trident, NX_SPCTRL_SPCSO + 3));
3676 else if (trident->device == TRIDENT_DEVICE_ID_SI7018) {
3677 outl(0, TRID_REG(trident, SI_SERIAL_INTF_CTRL));
3679 if (trident->tlb.buffer.area) {
3680 outl(0, TRID_REG(trident, NX_TLBC));
3681 if (trident->tlb.memhdr)
3682 snd_util_memhdr_free(trident->tlb.memhdr);
3683 if (trident->tlb.silent_page.area)
3684 snd_dma_free_pages(&trident->tlb.silent_page);
3685 vfree(trident->tlb.shadow_entries);
3686 snd_dma_free_pages(&trident->tlb.buffer);
3688 if (trident->irq >= 0)
3689 free_irq(trident->irq, trident);
3690 pci_release_regions(trident->pci);
3691 pci_disable_device(trident->pci);
3692 kfree(trident);
3693 return 0;
3696 /*---------------------------------------------------------------------------
3697 snd_trident_interrupt
3699 Description: ISR for Trident 4DWave device
3701 Parameters: trident - device specific private data for 4DWave card
3703 Problems: It seems that Trident chips generates interrupts more than
3704 one time in special cases. The spurious interrupts are
3705 detected via sample timer (T4D_STIMER) and computing
3706 corresponding delta value. The limits are detected with
3707 the method try & fail so it is possible that it won't
3708 work on all computers. [jaroslav]
3710 Returns: None.
3712 ---------------------------------------------------------------------------*/
3714 static irqreturn_t snd_trident_interrupt(int irq, void *dev_id)
3716 struct snd_trident *trident = dev_id;
3717 unsigned int audio_int, chn_int, stimer, channel, mask, tmp;
3718 int delta;
3719 struct snd_trident_voice *voice;
3721 audio_int = inl(TRID_REG(trident, T4D_MISCINT));
3722 if ((audio_int & (ADDRESS_IRQ|MPU401_IRQ)) == 0)
3723 return IRQ_NONE;
3724 if (audio_int & ADDRESS_IRQ) {
3725 // get interrupt status for all channels
3726 spin_lock(&trident->reg_lock);
3727 stimer = inl(TRID_REG(trident, T4D_STIMER)) & 0x00ffffff;
3728 chn_int = inl(TRID_REG(trident, T4D_AINT_A));
3729 if (chn_int == 0)
3730 goto __skip1;
3731 outl(chn_int, TRID_REG(trident, T4D_AINT_A)); /* ack */
3732 __skip1:
3733 chn_int = inl(TRID_REG(trident, T4D_AINT_B));
3734 if (chn_int == 0)
3735 goto __skip2;
3736 for (channel = 63; channel >= 32; channel--) {
3737 mask = 1 << (channel&0x1f);
3738 if ((chn_int & mask) == 0)
3739 continue;
3740 voice = &trident->synth.voices[channel];
3741 if (!voice->pcm || voice->substream == NULL) {
3742 outl(mask, TRID_REG(trident, T4D_STOP_B));
3743 continue;
3745 delta = (int)stimer - (int)voice->stimer;
3746 if (delta < 0)
3747 delta = -delta;
3748 if ((unsigned int)delta < voice->spurious_threshold) {
3749 /* do some statistics here */
3750 trident->spurious_irq_count++;
3751 if (trident->spurious_irq_max_delta < (unsigned int)delta)
3752 trident->spurious_irq_max_delta = delta;
3753 continue;
3755 voice->stimer = stimer;
3756 if (voice->isync) {
3757 if (!voice->isync3) {
3758 tmp = inw(TRID_REG(trident, T4D_SBBL_SBCL));
3759 if (trident->bDMAStart & 0x40)
3760 tmp >>= 1;
3761 if (tmp > 0)
3762 tmp = voice->isync_max - tmp;
3763 } else {
3764 tmp = inl(TRID_REG(trident, NX_SPCTRL_SPCSO)) & 0x00ffffff;
3766 if (tmp < voice->isync_mark) {
3767 if (tmp > 0x10)
3768 tmp = voice->isync_ESO - 7;
3769 else
3770 tmp = voice->isync_ESO + 2;
3771 /* update ESO for IRQ voice to preserve sync */
3772 snd_trident_stop_voice(trident, voice->number);
3773 snd_trident_write_eso_reg(trident, voice, tmp);
3774 snd_trident_start_voice(trident, voice->number);
3776 } else if (voice->isync2) {
3777 voice->isync2 = 0;
3778 /* write original ESO and update CSO for IRQ voice to preserve sync */
3779 snd_trident_stop_voice(trident, voice->number);
3780 snd_trident_write_cso_reg(trident, voice, voice->isync_mark);
3781 snd_trident_write_eso_reg(trident, voice, voice->ESO);
3782 snd_trident_start_voice(trident, voice->number);
3784 #if 0
3785 if (voice->extra) {
3786 /* update CSO for extra voice to preserve sync */
3787 snd_trident_stop_voice(trident, voice->extra->number);
3788 snd_trident_write_cso_reg(trident, voice->extra, 0);
3789 snd_trident_start_voice(trident, voice->extra->number);
3791 #endif
3792 spin_unlock(&trident->reg_lock);
3793 snd_pcm_period_elapsed(voice->substream);
3794 spin_lock(&trident->reg_lock);
3796 outl(chn_int, TRID_REG(trident, T4D_AINT_B)); /* ack */
3797 __skip2:
3798 spin_unlock(&trident->reg_lock);
3800 if (audio_int & MPU401_IRQ) {
3801 if (trident->rmidi) {
3802 snd_mpu401_uart_interrupt(irq, trident->rmidi->private_data);
3803 } else {
3804 inb(TRID_REG(trident, T4D_MPUR0));
3807 // outl((ST_TARGET_REACHED | MIXER_OVERFLOW | MIXER_UNDERFLOW), TRID_REG(trident, T4D_MISCINT));
3808 return IRQ_HANDLED;
3811 struct snd_trident_voice *snd_trident_alloc_voice(struct snd_trident * trident, int type, int client, int port)
3813 struct snd_trident_voice *pvoice;
3814 unsigned long flags;
3815 int idx;
3817 spin_lock_irqsave(&trident->voice_alloc, flags);
3818 if (type == SNDRV_TRIDENT_VOICE_TYPE_PCM) {
3819 idx = snd_trident_allocate_pcm_channel(trident);
3820 if(idx < 0) {
3821 spin_unlock_irqrestore(&trident->voice_alloc, flags);
3822 return NULL;
3824 pvoice = &trident->synth.voices[idx];
3825 pvoice->use = 1;
3826 pvoice->pcm = 1;
3827 pvoice->capture = 0;
3828 pvoice->spdif = 0;
3829 pvoice->memblk = NULL;
3830 pvoice->substream = NULL;
3831 spin_unlock_irqrestore(&trident->voice_alloc, flags);
3832 return pvoice;
3834 if (type == SNDRV_TRIDENT_VOICE_TYPE_SYNTH) {
3835 idx = snd_trident_allocate_synth_channel(trident);
3836 if(idx < 0) {
3837 spin_unlock_irqrestore(&trident->voice_alloc, flags);
3838 return NULL;
3840 pvoice = &trident->synth.voices[idx];
3841 pvoice->use = 1;
3842 pvoice->synth = 1;
3843 pvoice->client = client;
3844 pvoice->port = port;
3845 pvoice->memblk = NULL;
3846 spin_unlock_irqrestore(&trident->voice_alloc, flags);
3847 return pvoice;
3849 if (type == SNDRV_TRIDENT_VOICE_TYPE_MIDI) {
3851 spin_unlock_irqrestore(&trident->voice_alloc, flags);
3852 return NULL;
3855 EXPORT_SYMBOL(snd_trident_alloc_voice);
3857 void snd_trident_free_voice(struct snd_trident * trident, struct snd_trident_voice *voice)
3859 unsigned long flags;
3860 void (*private_free)(struct snd_trident_voice *);
3861 void *private_data;
3863 if (voice == NULL || !voice->use)
3864 return;
3865 snd_trident_clear_voices(trident, voice->number, voice->number);
3866 spin_lock_irqsave(&trident->voice_alloc, flags);
3867 private_free = voice->private_free;
3868 private_data = voice->private_data;
3869 voice->private_free = NULL;
3870 voice->private_data = NULL;
3871 if (voice->pcm)
3872 snd_trident_free_pcm_channel(trident, voice->number);
3873 if (voice->synth)
3874 snd_trident_free_synth_channel(trident, voice->number);
3875 voice->use = voice->pcm = voice->synth = voice->midi = 0;
3876 voice->capture = voice->spdif = 0;
3877 voice->sample_ops = NULL;
3878 voice->substream = NULL;
3879 voice->extra = NULL;
3880 spin_unlock_irqrestore(&trident->voice_alloc, flags);
3881 if (private_free)
3882 private_free(voice);
3885 EXPORT_SYMBOL(snd_trident_free_voice);
3887 static void snd_trident_clear_voices(struct snd_trident * trident, unsigned short v_min, unsigned short v_max)
3889 unsigned int i, val, mask[2] = { 0, 0 };
3891 snd_assert(v_min <= 63, return);
3892 snd_assert(v_max <= 63, return);
3893 for (i = v_min; i <= v_max; i++)
3894 mask[i >> 5] |= 1 << (i & 0x1f);
3895 if (mask[0]) {
3896 outl(mask[0], TRID_REG(trident, T4D_STOP_A));
3897 val = inl(TRID_REG(trident, T4D_AINTEN_A));
3898 outl(val & ~mask[0], TRID_REG(trident, T4D_AINTEN_A));
3900 if (mask[1]) {
3901 outl(mask[1], TRID_REG(trident, T4D_STOP_B));
3902 val = inl(TRID_REG(trident, T4D_AINTEN_B));
3903 outl(val & ~mask[1], TRID_REG(trident, T4D_AINTEN_B));
3907 #ifdef CONFIG_PM
3908 int snd_trident_suspend(struct pci_dev *pci, pm_message_t state)
3910 struct snd_card *card = pci_get_drvdata(pci);
3911 struct snd_trident *trident = card->private_data;
3913 trident->in_suspend = 1;
3914 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
3915 snd_pcm_suspend_all(trident->pcm);
3916 snd_pcm_suspend_all(trident->foldback);
3917 snd_pcm_suspend_all(trident->spdif);
3919 snd_ac97_suspend(trident->ac97);
3920 snd_ac97_suspend(trident->ac97_sec);
3922 pci_disable_device(pci);
3923 pci_save_state(pci);
3924 pci_set_power_state(pci, pci_choose_state(pci, state));
3925 return 0;
3928 int snd_trident_resume(struct pci_dev *pci)
3930 struct snd_card *card = pci_get_drvdata(pci);
3931 struct snd_trident *trident = card->private_data;
3933 pci_set_power_state(pci, PCI_D0);
3934 pci_restore_state(pci);
3935 if (pci_enable_device(pci) < 0) {
3936 printk(KERN_ERR "trident: pci_enable_device failed, "
3937 "disabling device\n");
3938 snd_card_disconnect(card);
3939 return -EIO;
3941 pci_set_master(pci);
3943 switch (trident->device) {
3944 case TRIDENT_DEVICE_ID_DX:
3945 snd_trident_4d_dx_init(trident);
3946 break;
3947 case TRIDENT_DEVICE_ID_NX:
3948 snd_trident_4d_nx_init(trident);
3949 break;
3950 case TRIDENT_DEVICE_ID_SI7018:
3951 snd_trident_sis_init(trident);
3952 break;
3955 snd_ac97_resume(trident->ac97);
3956 snd_ac97_resume(trident->ac97_sec);
3958 /* restore some registers */
3959 outl(trident->musicvol_wavevol, TRID_REG(trident, T4D_MUSICVOL_WAVEVOL));
3961 snd_trident_enable_eso(trident);
3963 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
3964 trident->in_suspend = 0;
3965 return 0;
3967 #endif /* CONFIG_PM */