2 * azt3328.c - driver for Aztech AZF3328 based soundcards (e.g. PCI168).
3 * Copyright (C) 2002 by Andreas Mohr <hw7oshyuv3001@sneakemail.com>
5 * Framework borrowed from Bart Hartgers's als4000.c.
6 * Driver developed on PCI168 AP(W) version (PCI rev. 10, subsystem ID 1801),
7 * found in a Fujitsu-Siemens PC ("Cordant", aluminum case).
9 * PCI168 A(W), sub ID 1800
10 * PCI168 A/AP, sub ID 8000
11 * Please give me feedback in case you try my driver with one of these!!
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2 of the License, or
17 * (at your option) any later version.
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
29 * Since Aztech does not provide any chipset documentation,
30 * even on repeated request to various addresses,
31 * and the answer that was finally given was negative
32 * (and I was stupid enough to manage to get hold of a PCI168 soundcard
33 * in the first place >:-P}),
34 * I was forced to base this driver on reverse engineering
35 * (3 weeks' worth of evenings filled with driver work).
36 * (and no, I did NOT go the easy way: to pick up a PCI128 for 9 Euros)
38 * The AZF3328 chip (note: AZF3328, *not* AZT3328, that's just the driver name
39 * for compatibility reasons) has the following features:
41 * - builtin AC97 conformant codec (SNR over 80dB)
42 * (really AC97 compliant?? I really doubt it when looking
43 * at the mixer register layout)
44 * - builtin genuine OPL3
45 * - full duplex 16bit playback/record at independent sampling rate
46 * - MPU401 (+ legacy address support) FIXME: how to enable legacy addr??
47 * - game port (legacy address support)
48 * - built-in General DirectX timer having a 20 bits counter
49 * with 1us resolution (FIXME: where is it?)
50 * - I2S serial port for external DAC
51 * - supports 33MHz PCI spec 2.1, PCI power management 1.0, compliant with ACPI
52 * - supports hardware volume control
53 * - single chip low cost solution (128 pin QFP)
54 * - supports programmable Sub-vendor and Sub-system ID
55 * required for Microsoft's logo compliance (FIXME: where?)
56 * - PCI168 AP(W) card: power amplifier with 4 Watts/channel at 4 Ohms
58 * Certain PCI versions of this card are susceptible to DMA traffic underruns
59 * in some systems (resulting in sound crackling/clicking/popping),
60 * probably because they don't have a DMA FIFO buffer or so.
61 * Overview (PCI ID/PCI subID/PCI rev.):
62 * - no DMA crackling on SiS735: 0x50DC/0x1801/16
63 * - unknown performance: 0x50DC/0x1801/10
65 * Crackling happens with VIA chipsets or, in my case, an SiS735, which is
66 * supposed to be very fast and supposed to get rid of crackling much
67 * better than a VIA, yet ironically I still get crackling, like many other
68 * people with the same chipset.
70 * - plug card into a different PCI slot, preferrably one that isn't shared
71 * too much (this helps a lot, but not completely!)
72 * - get rid of PCI VGA card, use AGP instead
73 * - upgrade or downgrade BIOS
74 * - fiddle with PCI latency settings (setpci -v -s BUSID latency_timer=XX)
76 * - Disable ACPI/power management/"Auto Detect RAM/PCI Clk" in BIOS
79 * - when Ctrl-C'ing mpg321, the playback loops a bit
80 * (premature DMA playback reset?)
81 * - full-duplex sometimes breaks (IRQ management issues?).
82 * Once even a spontaneous REBOOT happened!!!
85 * - test MPU401 MIDI playback etc.
86 * - power management (CONFIG_PM). See e.g. intel8x0 or cs4281.
87 * This would be nice since the chip runs a bit hot, and it's *required*
88 * anyway for proper ACPI power management. In other words: rest
89 * assured that I *will* implement this very soon; as soon as Linux 2.5.x
90 * has power management that's bugfree enough to work properly on my desktop.
91 * - figure out what all unknown port bits are responsible for
94 #include <sound/driver.h>
96 #include <linux/init.h>
97 #include <linux/pci.h>
98 #include <linux/delay.h>
99 #include <linux/slab.h>
100 #include <linux/gameport.h>
101 #include <linux/moduleparam.h>
102 #include <sound/core.h>
103 #include <sound/control.h>
104 #include <sound/pcm.h>
105 #include <sound/rawmidi.h>
106 #include <sound/mpu401.h>
107 #include <sound/opl3.h>
108 #include <sound/initval.h>
111 MODULE_AUTHOR("Andreas Mohr <hw7oshyuv3001@sneakemail.com>");
112 MODULE_DESCRIPTION("Aztech AZF3328 (PCI168)");
113 MODULE_LICENSE("GPL");
114 MODULE_CLASSES("{sound}");
115 MODULE_DEVICES("{{Aztech,AZF3328}}");
117 #if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE))
118 #define SUPPORT_JOYSTICK 1
122 #define DEBUG_CALLS 0
123 #define DEBUG_MIXER 0
124 #define DEBUG_PLAY_REC 0
126 #define MIXER_TESTING 0
129 #define snd_azf3328_dbgmisc(format, args...) printk(KERN_ERR format, ##args)
131 #define snd_azf3328_dbgmisc(format, args...)
135 #define snd_azf3328_dbgcalls(format, args...) printk(format, ##args)
136 #define snd_azf3328_dbgcallenter() printk(KERN_ERR "entering %s\n", __FUNCTION__)
137 #define snd_azf3328_dbgcallleave() printk(KERN_ERR "leaving %s\n", __FUNCTION__)
139 #define snd_azf3328_dbgcalls(format, args...)
140 #define snd_azf3328_dbgcallenter()
141 #define snd_azf3328_dbgcallleave()
145 #define snd_azf3328_dbgmixer(format, args...) printk(format, ##args)
147 #define snd_azf3328_dbgmixer(format, args...)
151 #define snd_azf3328_dbgplay(format, args...) printk(KERN_ERR format, ##args)
153 #define snd_azf3328_dbgplay(format, args...)
157 #define snd_azf3328_dbgio(chip, where) \
158 printk(KERN_ERR "%s: IDX_IO_PLAY_FLAGS %04x, IDX_IO_PLAY_IRQMASK %04x, IDX_IO_IRQSTATUS %04x\n", where, inw(chip->codec_port+IDX_IO_PLAY_FLAGS), inw(chip->codec_port+IDX_IO_PLAY_IRQMASK), inw(chip->codec_port+IDX_IO_IRQSTATUS))
160 #define snd_azf3328_dbgio(chip, where)
163 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
164 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
165 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
166 #ifdef SUPPORT_JOYSTICK
167 static int joystick[SNDRV_CARDS];
169 static int boot_devs;
171 module_param_array(index, int, boot_devs, 0444);
172 MODULE_PARM_DESC(index, "Index value for AZF3328 soundcard.");
173 MODULE_PARM_SYNTAX(index, SNDRV_INDEX_DESC);
174 module_param_array(id, charp, boot_devs, 0444);
175 MODULE_PARM_DESC(id, "ID string for AZF3328 soundcard.");
176 MODULE_PARM_SYNTAX(id, SNDRV_ID_DESC);
177 module_param_array(enable, bool, boot_devs, 0444);
178 MODULE_PARM_DESC(enable, "Enable AZF3328 soundcard.");
179 MODULE_PARM_SYNTAX(enable, SNDRV_INDEX_DESC);
180 #ifdef SUPPORT_JOYSTICK
181 module_param_array(joystick, bool, boot_devs, 0444);
182 MODULE_PARM_DESC(joystick, "Enable joystick for AZF3328 soundcard.");
183 MODULE_PARM_SYNTAX(joystick, SNDRV_BOOLEAN_FALSE_DESC);
186 typedef struct _snd_azf3328 azf3328_t;
187 #define chip_t azf3328_t
189 struct _snd_azf3328 {
192 unsigned long codec_port;
193 struct resource *res_codec_port;
194 unsigned long io2_port;
195 struct resource *res_io2_port;
196 unsigned long mpu_port;
197 struct resource *res_mpu_port;
198 unsigned long synth_port;
199 struct resource *res_synth_port;
200 unsigned long mixer_port;
201 struct resource *res_mixer_port;
203 #ifdef SUPPORT_JOYSTICK
204 struct gameport gameport;
205 struct resource *res_joystick;
212 snd_rawmidi_t *rmidi;
213 snd_pcm_substream_t *playback_substream;
214 snd_pcm_substream_t *capture_substream;
215 unsigned int is_playing;
216 unsigned int is_recording;
221 static struct pci_device_id snd_azf3328_ids[] = {
222 { 0x122D, 0x50DC, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, /* PCI168/3328 */
223 { 0x122D, 0x80DA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, /* 3328 */
227 MODULE_DEVICE_TABLE(pci, snd_azf3328_ids);
229 void snd_azf3328_io2_write(azf3328_t *chip, int reg, unsigned char value)
231 outb(value, chip->io2_port + reg);
234 unsigned char snd_azf3328_io2_read(azf3328_t *chip, int reg)
236 return inb(chip->io2_port + reg);
239 void snd_azf3328_mixer_write(azf3328_t *chip, int reg, unsigned long value, int type)
243 outw(value, chip->mixer_port + reg);
246 outl(value, chip->mixer_port + reg);
249 outb(value, chip->mixer_port + reg);
254 unsigned long snd_azf3328_mixer_read(azf3328_t *chip, int reg, int type)
256 unsigned long res = 0;
260 res = (unsigned long)inw(chip->mixer_port + reg);
263 res = (unsigned long)inl(chip->mixer_port + reg);
266 res = (unsigned long)inb(chip->mixer_port + reg);
273 void snd_azf3328_mixer_set_mute(azf3328_t *chip, int reg, int do_mute)
275 unsigned char oldval;
277 /* the mute bit is on the *second* (i.e. right) register of a
278 * left/right channel setting */
279 oldval = inb(chip->mixer_port + reg + 1);
284 outb(oldval, chip->mixer_port + reg + 1);
287 void snd_azf3328_mixer_write_volume_gradually(azf3328_t *chip, int reg, unsigned char dst_vol_left, unsigned char dst_vol_right, int chan_sel, int delay)
289 unsigned char curr_vol_left = 0, curr_vol_right = 0;
290 int left_done = 0, right_done = 0;
292 snd_azf3328_dbgcallenter();
293 if (chan_sel & SET_CHAN_LEFT)
294 curr_vol_left = inb(chip->mixer_port + reg + 1);
297 if (chan_sel & SET_CHAN_RIGHT)
298 curr_vol_right = inb(chip->mixer_port + reg + 0);
302 /* take care of muting flag (0x80) contained in left channel */
303 if (curr_vol_left & 0x80)
304 dst_vol_left |= 0x80;
306 dst_vol_left &= ~0x80;
312 if (curr_vol_left > dst_vol_left)
315 if (curr_vol_left < dst_vol_left)
319 outb(curr_vol_left, chip->mixer_port + reg + 1);
323 if (curr_vol_right > dst_vol_right)
326 if (curr_vol_right < dst_vol_right)
330 /* during volume change, the right channel is crackling
331 * somewhat more than the left channel, unfortunately.
332 * This seems to be a hardware issue. */
333 outb(curr_vol_right, chip->mixer_port + reg + 0);
338 while ((!left_done) || (!right_done));
339 snd_azf3328_dbgcallleave();
343 * general mixer element
345 typedef struct azf3328_mixer_reg {
347 unsigned int lchan_shift, rchan_shift;
349 unsigned int invert: 1;
350 unsigned int stereo: 1;
351 unsigned int enum_c: 4;
352 } azf3328_mixer_reg_t;
354 #define COMPOSE_MIXER_REG(reg,lchan_shift,rchan_shift,mask,invert,stereo,enum_c) \
355 ((reg) | (lchan_shift << 8) | (rchan_shift << 12) | (mask << 16) | (invert << 24) | (stereo << 25) | (enum_c << 26))
357 static void snd_azf3328_mixer_reg_decode(azf3328_mixer_reg_t *r, unsigned long val)
360 r->lchan_shift = (val >> 8) & 0x0f;
361 r->rchan_shift = (val >> 12) & 0x0f;
362 r->mask = (val >> 16) & 0xff;
363 r->invert = (val >> 24) & 1;
364 r->stereo = (val >> 25) & 1;
365 r->enum_c = (val >> 26) & 0x0f;
369 * mixer switches/volumes
372 #define AZF3328_MIXER_SWITCH(xname, reg, shift, invert) \
373 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
374 .info = snd_azf3328_info_mixer, \
375 .get = snd_azf3328_get_mixer, .put = snd_azf3328_put_mixer, \
376 .private_value = COMPOSE_MIXER_REG(reg, shift, 0, 0x1, invert, 0, 0), \
379 #define AZF3328_MIXER_VOL_STEREO(xname, reg, mask, invert) \
380 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
381 .info = snd_azf3328_info_mixer, \
382 .get = snd_azf3328_get_mixer, .put = snd_azf3328_put_mixer, \
383 .private_value = COMPOSE_MIXER_REG(reg, 8, 0, mask, invert, 1, 0), \
386 #define AZF3328_MIXER_VOL_MONO(xname, reg, mask, is_right_chan) \
387 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
388 .info = snd_azf3328_info_mixer, \
389 .get = snd_azf3328_get_mixer, .put = snd_azf3328_put_mixer, \
390 .private_value = COMPOSE_MIXER_REG(reg, is_right_chan ? 0 : 8, 0, mask, 1, 0, 0), \
393 #define AZF3328_MIXER_VOL_SPECIAL(xname, reg, mask, shift, invert) \
394 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
395 .info = snd_azf3328_info_mixer, \
396 .get = snd_azf3328_get_mixer, .put = snd_azf3328_put_mixer, \
397 .private_value = COMPOSE_MIXER_REG(reg, shift, 0, mask, invert, 0, 0), \
400 #define AZF3328_MIXER_ENUM(xname, reg, enum_c, shift) \
401 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
402 .info = snd_azf3328_info_mixer_enum, \
403 .get = snd_azf3328_get_mixer_enum, .put = snd_azf3328_put_mixer_enum, \
404 .private_value = COMPOSE_MIXER_REG(reg, shift, 0, 0, 0, 0, enum_c), \
407 static int snd_azf3328_info_mixer(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
409 azf3328_mixer_reg_t reg;
411 snd_azf3328_dbgcallenter();
412 snd_azf3328_mixer_reg_decode(®, kcontrol->private_value);
413 uinfo->type = reg.mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
414 uinfo->count = reg.stereo + 1;
415 uinfo->value.integer.min = 0;
416 uinfo->value.integer.max = reg.mask;
417 snd_azf3328_dbgcallleave();
421 static int snd_azf3328_get_mixer(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
423 azf3328_t *chip = snd_kcontrol_chip(kcontrol);
424 azf3328_mixer_reg_t reg;
425 unsigned int oreg, val;
427 snd_azf3328_dbgcallenter();
428 snd_azf3328_mixer_reg_decode(®, kcontrol->private_value);
430 oreg = inw(chip->mixer_port + reg.reg);
431 val = (oreg >> reg.lchan_shift) & reg.mask;
433 val = reg.mask - val;
434 ucontrol->value.integer.value[0] = val;
436 val = (oreg >> reg.rchan_shift) & reg.mask;
438 val = reg.mask - val;
439 ucontrol->value.integer.value[1] = val;
441 snd_azf3328_dbgmixer("get: %02x is %04x -> vol %02lx|%02lx (shift %02d|%02d, mask %02x, inv. %d, stereo %d)\n", reg.reg, oreg, ucontrol->value.integer.value[0], ucontrol->value.integer.value[1], reg.lchan_shift, reg.rchan_shift, reg.mask, reg.invert, reg.stereo);
442 snd_azf3328_dbgcallleave();
446 static int snd_azf3328_put_mixer(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
448 azf3328_t *chip = snd_kcontrol_chip(kcontrol);
449 azf3328_mixer_reg_t reg;
450 unsigned int oreg, nreg, val;
452 snd_azf3328_dbgcallenter();
453 snd_azf3328_mixer_reg_decode(®, kcontrol->private_value);
454 oreg = inw(chip->mixer_port + reg.reg);
455 val = ucontrol->value.integer.value[0] & reg.mask;
457 val = reg.mask - val;
458 nreg = oreg & ~(reg.mask << reg.lchan_shift);
459 nreg |= (val << reg.lchan_shift);
461 val = ucontrol->value.integer.value[1] & reg.mask;
463 val = reg.mask - val;
464 nreg &= ~(reg.mask << reg.rchan_shift);
465 nreg |= (val << reg.rchan_shift);
467 if (reg.mask >= 0x07) /* it's a volume control, so better take care */
468 snd_azf3328_mixer_write_volume_gradually(chip, reg.reg, nreg >> 8, nreg & 0xff, SET_CHAN_LEFT|SET_CHAN_RIGHT, 0); /* just set both channels, doesn't matter */
470 outw(nreg, chip->mixer_port + reg.reg);
472 snd_azf3328_dbgmixer("put: %02x to %02lx|%02lx, oreg %04x; shift %02d|%02d -> nreg %04x; after: %04x\n", reg.reg, ucontrol->value.integer.value[0], ucontrol->value.integer.value[1], oreg, reg.lchan_shift, reg.rchan_shift, nreg, inw(chip->mixer_port + reg.reg));
473 snd_azf3328_dbgcallleave();
474 return (nreg != oreg);
477 static int snd_azf3328_info_mixer_enum(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
479 azf3328_mixer_reg_t reg;
480 static char *texts1[2] = { "ModemOut1", "ModemOut2" };
481 static char *texts2[2] = { "MonoSelectSource1", "MonoSelectSource2" };
482 static char *texts3[8] = {
483 "Mic", "CD", "Video", "Aux", "Line",
484 "Mix", "Mix Mono", "Phone"
487 snd_azf3328_mixer_reg_decode(®, kcontrol->private_value);
488 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
489 uinfo->count = (reg.reg == IDX_MIXER_REC_SELECT) ? 2 : 1;
490 uinfo->value.enumerated.items = reg.enum_c;
491 if (uinfo->value.enumerated.item > reg.enum_c - 1U)
492 uinfo->value.enumerated.item = reg.enum_c - 1U;
493 if (reg.reg == IDX_MIXER_ADVCTL2)
495 if (reg.lchan_shift == 8) /* modem out sel */
496 strcpy(uinfo->value.enumerated.name, texts1[uinfo->value.enumerated.item]);
497 else /* mono sel source */
498 strcpy(uinfo->value.enumerated.name, texts2[uinfo->value.enumerated.item]);
501 strcpy(uinfo->value.enumerated.name, texts3[uinfo->value.enumerated.item]
506 static int snd_azf3328_get_mixer_enum(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
508 azf3328_mixer_reg_t reg;
509 azf3328_t *chip = snd_kcontrol_chip(kcontrol);
512 snd_azf3328_mixer_reg_decode(®, kcontrol->private_value);
513 val = inw(chip->mixer_port + reg.reg);
514 if (reg.reg == IDX_MIXER_REC_SELECT)
516 ucontrol->value.enumerated.item[0] = (val >> 8) & (reg.enum_c - 1);
517 ucontrol->value.enumerated.item[1] = (val >> 0) & (reg.enum_c - 1);
520 ucontrol->value.enumerated.item[0] = (val >> reg.lchan_shift) & (reg.enum_c - 1);
521 snd_azf3328_dbgmixer("get_enum: %02x is %04x -> %d|%d (shift %02d, enum_c %d)\n", reg.reg, val, ucontrol->value.enumerated.item[0], ucontrol->value.enumerated.item[1], reg.lchan_shift, reg.enum_c);
525 static int snd_azf3328_put_mixer_enum(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
527 azf3328_mixer_reg_t reg;
528 azf3328_t *chip = snd_kcontrol_chip(kcontrol);
529 unsigned int oreg, nreg, val;
531 snd_azf3328_mixer_reg_decode(®, kcontrol->private_value);
532 oreg = inw(chip->mixer_port + reg.reg);
534 if (reg.reg == IDX_MIXER_REC_SELECT)
536 if (ucontrol->value.enumerated.item[0] > reg.enum_c - 1U ||
537 ucontrol->value.enumerated.item[1] > reg.enum_c - 1U)
539 val = (ucontrol->value.enumerated.item[0] << 8) |
540 (ucontrol->value.enumerated.item[1] << 0);
544 if (ucontrol->value.enumerated.item[0] > reg.enum_c - 1U)
546 val &= ~((reg.enum_c - 1) << reg.lchan_shift);
547 val |= (ucontrol->value.enumerated.item[0] << reg.lchan_shift);
549 outw(val, chip->mixer_port + reg.reg);
552 snd_azf3328_dbgmixer("put_enum: %02x to %04x, oreg %04x\n", reg.reg, val, oreg);
553 return (nreg != oreg);
556 #define NUM_CONTROLS(ary) (sizeof(ary) / sizeof(snd_kcontrol_new_t))
558 static snd_kcontrol_new_t snd_azf3328_mixer_controls[] __devinitdata = {
559 AZF3328_MIXER_SWITCH("Master Playback Switch", IDX_MIXER_PLAY_MASTER, 15, 1),
560 AZF3328_MIXER_VOL_STEREO("Master Playback Volume", IDX_MIXER_PLAY_MASTER, 0x1f, 1),
561 AZF3328_MIXER_SWITCH("Wave Playback Switch", IDX_MIXER_WAVEOUT, 15, 1),
562 AZF3328_MIXER_VOL_STEREO("Wave Playback Volume", IDX_MIXER_WAVEOUT, 0x1f, 1),
563 AZF3328_MIXER_SWITCH("Wave Playback 3D Bypass", IDX_MIXER_ADVCTL2, 7, 1),
564 AZF3328_MIXER_SWITCH("FM Playback Switch", IDX_MIXER_FMSYNTH, 15, 1),
565 AZF3328_MIXER_VOL_STEREO("FM Playback Volume", IDX_MIXER_FMSYNTH, 0x1f, 1),
566 AZF3328_MIXER_SWITCH("CD Playback Switch", IDX_MIXER_CDAUDIO, 15, 1),
567 AZF3328_MIXER_VOL_STEREO("CD Playback Volume", IDX_MIXER_CDAUDIO, 0x1f, 1),
568 AZF3328_MIXER_SWITCH("Capture Switch", IDX_MIXER_REC_VOLUME, 15, 1),
569 AZF3328_MIXER_VOL_STEREO("Capture Volume", IDX_MIXER_REC_VOLUME, 0x0f, 0),
570 AZF3328_MIXER_ENUM("Capture Source", IDX_MIXER_REC_SELECT, 8, 0),
571 AZF3328_MIXER_SWITCH("Mic Playback Switch", IDX_MIXER_MIC, 15, 1),
572 AZF3328_MIXER_VOL_MONO("Mic Playback Volume", IDX_MIXER_MIC, 0x1f, 1),
573 AZF3328_MIXER_SWITCH("Mic Boost (+20dB)", IDX_MIXER_MIC, 6, 0),
574 AZF3328_MIXER_SWITCH("Line Playback Switch", IDX_MIXER_LINEIN, 15, 1),
575 AZF3328_MIXER_VOL_STEREO("Line Playback Volume", IDX_MIXER_LINEIN, 0x1f, 1),
576 AZF3328_MIXER_SWITCH("PCBeep Playback Switch", IDX_MIXER_PCBEEP, 15, 1),
577 AZF3328_MIXER_VOL_SPECIAL("PCBeep Playback Volume", IDX_MIXER_PCBEEP, 0x0f, 1, 1),
578 AZF3328_MIXER_SWITCH("Video Playback Switch", IDX_MIXER_VIDEO, 15, 1),
579 AZF3328_MIXER_VOL_STEREO("Video Playback Volume", IDX_MIXER_VIDEO, 0x1f, 1),
580 AZF3328_MIXER_SWITCH("Aux Playback Switch", IDX_MIXER_AUX, 15, 1),
581 AZF3328_MIXER_VOL_STEREO("Aux Playback Volume", IDX_MIXER_AUX, 0x1f, 1),
582 AZF3328_MIXER_SWITCH("Modem Playback Switch", IDX_MIXER_MODEMOUT, 15, 1),
583 AZF3328_MIXER_VOL_MONO("Modem Playback Volume", IDX_MIXER_MODEMOUT, 0x1f, 1),
584 AZF3328_MIXER_SWITCH("Modem Capture Switch", IDX_MIXER_MODEMIN, 15, 1),
585 AZF3328_MIXER_VOL_MONO("Modem Capture Volume", IDX_MIXER_MODEMIN, 0x1f, 1),
586 AZF3328_MIXER_ENUM("Modem Out Select", IDX_MIXER_ADVCTL2, 2, 8),
587 AZF3328_MIXER_ENUM("Mono Select Source", IDX_MIXER_ADVCTL2, 2, 9),
588 AZF3328_MIXER_VOL_SPECIAL("Tone Control - Treble", IDX_MIXER_BASSTREBLE, 0x07, 1, 0),
589 AZF3328_MIXER_VOL_SPECIAL("Tone Control - Bass", IDX_MIXER_BASSTREBLE, 0x07, 9, 0),
590 AZF3328_MIXER_SWITCH("3D Control - Toggle", IDX_MIXER_ADVCTL2, 13, 0),
591 AZF3328_MIXER_VOL_SPECIAL("3D Control - Volume", IDX_MIXER_ADVCTL1, 0x07, 1, 0), /* "3D Width" */
592 AZF3328_MIXER_VOL_SPECIAL("3D Control - Space", IDX_MIXER_ADVCTL1, 0x03, 8, 0), /* "Hifi 3D" */
594 AZF3328_MIXER_SWITCH("0", IDX_MIXER_ADVCTL2, 0, 0),
595 AZF3328_MIXER_SWITCH("1", IDX_MIXER_ADVCTL2, 1, 0),
596 AZF3328_MIXER_SWITCH("2", IDX_MIXER_ADVCTL2, 2, 0),
597 AZF3328_MIXER_SWITCH("3", IDX_MIXER_ADVCTL2, 3, 0),
598 AZF3328_MIXER_SWITCH("4", IDX_MIXER_ADVCTL2, 4, 0),
599 AZF3328_MIXER_SWITCH("5", IDX_MIXER_ADVCTL2, 5, 0),
600 AZF3328_MIXER_SWITCH("6", IDX_MIXER_ADVCTL2, 6, 0),
601 AZF3328_MIXER_SWITCH("7", IDX_MIXER_ADVCTL2, 7, 0),
602 AZF3328_MIXER_SWITCH("8", IDX_MIXER_ADVCTL2, 8, 0),
603 AZF3328_MIXER_SWITCH("9", IDX_MIXER_ADVCTL2, 9, 0),
604 AZF3328_MIXER_SWITCH("10", IDX_MIXER_ADVCTL2, 10, 0),
605 AZF3328_MIXER_SWITCH("11", IDX_MIXER_ADVCTL2, 11, 0),
606 AZF3328_MIXER_SWITCH("12", IDX_MIXER_ADVCTL2, 12, 0),
607 AZF3328_MIXER_SWITCH("13", IDX_MIXER_ADVCTL2, 13, 0),
608 AZF3328_MIXER_SWITCH("14", IDX_MIXER_ADVCTL2, 14, 0),
609 AZF3328_MIXER_SWITCH("15", IDX_MIXER_ADVCTL2, 15, 0),
613 #define AZF3328_INIT_VALUES (sizeof(snd_azf3328_init_values)/sizeof(unsigned int)/2)
615 static unsigned int snd_azf3328_init_values[][2] = {
616 { IDX_MIXER_PLAY_MASTER, MIXER_MUTE_MASK|0x1f1f },
617 { IDX_MIXER_MODEMOUT, MIXER_MUTE_MASK|0x1f1f },
618 { IDX_MIXER_BASSTREBLE, 0x0000 },
619 { IDX_MIXER_PCBEEP, MIXER_MUTE_MASK|0x1f1f },
620 { IDX_MIXER_MODEMIN, MIXER_MUTE_MASK|0x1f1f },
621 { IDX_MIXER_MIC, MIXER_MUTE_MASK|0x001f },
622 { IDX_MIXER_LINEIN, MIXER_MUTE_MASK|0x1f1f },
623 { IDX_MIXER_CDAUDIO, MIXER_MUTE_MASK|0x1f1f },
624 { IDX_MIXER_VIDEO, MIXER_MUTE_MASK|0x1f1f },
625 { IDX_MIXER_AUX, MIXER_MUTE_MASK|0x1f1f },
626 { IDX_MIXER_WAVEOUT, MIXER_MUTE_MASK|0x1f1f },
627 { IDX_MIXER_FMSYNTH, MIXER_MUTE_MASK|0x1f1f },
628 { IDX_MIXER_REC_VOLUME, MIXER_MUTE_MASK|0x0707 },
631 static int __devinit snd_azf3328_mixer_new(azf3328_t *chip)
634 snd_kcontrol_new_t *sw;
638 snd_azf3328_dbgcallenter();
639 snd_assert(chip != NULL && chip->card != NULL, return -EINVAL);
644 snd_azf3328_mixer_write(chip, IDX_MIXER_RESET, 0x0, WORD_VALUE);
646 /* mute and zero volume channels */
647 for (idx = 0; idx < AZF3328_INIT_VALUES; idx++) {
648 snd_azf3328_mixer_write(chip, snd_azf3328_init_values[idx][0], snd_azf3328_init_values[idx][1], WORD_VALUE);
651 /* add mixer controls */
652 sw = snd_azf3328_mixer_controls;
653 for (idx = 0; idx < NUM_CONTROLS(snd_azf3328_mixer_controls); idx++, sw++) {
654 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(sw, chip))) < 0)
657 snd_component_add(card, "AZF3328 mixer");
658 strcpy(card->mixername, "AZF3328 mixer");
660 snd_azf3328_dbgcallleave();
664 static int snd_azf3328_hw_params(snd_pcm_substream_t * substream,
665 snd_pcm_hw_params_t * hw_params)
668 snd_azf3328_dbgcallenter();
669 res = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
670 snd_azf3328_dbgcallleave();
674 static int snd_azf3328_hw_free(snd_pcm_substream_t * substream)
676 snd_azf3328_dbgcallenter();
677 snd_pcm_lib_free_pages(substream);
678 snd_azf3328_dbgcallleave();
682 static void snd_azf3328_setfmt(azf3328_t *chip,
684 unsigned int bitrate,
685 unsigned int format_width,
686 unsigned int channels
689 unsigned int val = 0xff00;
692 snd_azf3328_dbgcallenter();
694 case 5512: val |= 0x0d; break; /* the AZF3328 names it "5510" for some strange reason */
695 case 6620: val |= 0x0b; break;
696 case 8000: val |= 0x00; break;
697 case 9600: val |= 0x08; break;
698 case 11025: val |= 0x01; break;
699 case 16000: val |= 0x02; break;
700 case 22050: val |= 0x03; break;
701 case 32000: val |= 0x04; break;
702 case 44100: val |= 0x05; break;
703 case 48000: val |= 0x06; break;
704 case 64000: val |= 0x07; break;
706 snd_printk("unknown bitrate %d, assuming 44.1kHz!\n", bitrate);
707 val |= 0x05; /* 44100 */
710 /* val = 0xff07; 3m27.993s (65301Hz; -> 64000Hz???) */
711 /* val = 0xff09; 17m15.098s (13123,478Hz; -> 12000Hz???) */
712 /* val = 0xff0a; 47m30.599s (4764,891Hz; -> 4800Hz???) */
713 /* val = 0xff0c; 57m0.510s (4010,263Hz; -> 4000Hz???) */
714 /* val = 0xff05; 5m11.556s (... -> 44100Hz) */
715 /* val = 0xff03; 10m21.529s (21872,463Hz; -> 22050Hz???) */
716 /* val = 0xff0f; 20m41.883s (10937,993Hz; -> 11025Hz???) */
717 /* val = 0xff0d; 41m23.135s (5523,600Hz; -> 5512Hz???) */
718 /* val = 0xff0e; 28m30.777s (8017Hz; -> 8000Hz???) */
720 val |= SOUNDFORMAT_FLAG_2CHANNELS;
722 if (format_width == 16)
723 val |= SOUNDFORMAT_FLAG_16BIT;
725 spin_lock_irqsave(&chip->reg_lock, flags);
727 /* set bitrate/format */
728 outw(val, chip->codec_port+reg);
730 /* changing the bitrate/format settings switches off the
731 * audio output with an annoying click in case of 8/16bit format change
732 * (maybe shutting down DAC/ADC?), thus immediately
733 * do some tweaking to reenable it and get rid of the clicking
734 * (FIXME: yes, it works, but what exactly am I doing here?? :)
735 * FIXME: does this have some side effects for full-duplex
736 * or other dramatic side effects? */
737 if (reg == IDX_IO_PLAY_SOUNDFORMAT) /* only do it for playback */
738 outw(inw(chip->codec_port + IDX_IO_PLAY_FLAGS)|DMA_PLAY_SOMETHING1|DMA_PLAY_SOMETHING2|SOMETHING_ALMOST_ALWAYS_SET|DMA_EPILOGUE_SOMETHING|DMA_SOMETHING_ELSE, chip->codec_port + IDX_IO_PLAY_FLAGS);
740 spin_unlock_irqrestore(&chip->reg_lock, flags);
741 snd_azf3328_dbgcallleave();
744 static void snd_azf3328_setdmaa(azf3328_t *chip,
745 long unsigned int addr,
750 long unsigned int addr1;
751 long unsigned int addr2;
755 int reg_offs = do_recording ? 0x20 : 0x00;
757 snd_azf3328_dbgcallenter();
758 /* AZF3328 uses a two buffer pointer DMA playback approach */
759 if (!chip->is_playing)
762 addr2 = addr+(size/2);
766 snd_azf3328_dbgplay("setting dma: buf1 %08lx[%d], buf2 %08lx[%d]\n", addr1, count1, addr2, count2);
768 spin_lock_irqsave(&chip->reg_lock, flags);
769 outl(addr1, chip->codec_port+reg_offs+IDX_IO_PLAY_DMA_START_1);
770 outl(addr2, chip->codec_port+reg_offs+IDX_IO_PLAY_DMA_START_2);
771 outw(count1, chip->codec_port+reg_offs+IDX_IO_PLAY_DMA_LEN_1);
772 outw(count2, chip->codec_port+reg_offs+IDX_IO_PLAY_DMA_LEN_2);
773 spin_unlock_irqrestore(&chip->reg_lock, flags);
775 snd_azf3328_dbgcallleave();
778 static int snd_azf3328_playback_prepare(snd_pcm_substream_t *substream)
781 azf3328_t *chip = snd_pcm_substream_chip(substream);
782 snd_pcm_runtime_t *runtime = substream->runtime;
783 unsigned int size = snd_pcm_lib_buffer_bytes(substream);
784 unsigned int count = snd_pcm_lib_period_bytes(substream);
787 snd_azf3328_dbgcallenter();
789 snd_azf3328_setfmt(chip, IDX_IO_PLAY_SOUNDFORMAT, runtime->rate, snd_pcm_format_width(runtime->format), runtime->channels);
790 snd_azf3328_setdmaa(chip, runtime->dma_addr, count, size, 0);
792 snd_azf3328_dbgcallleave();
796 static int snd_azf3328_capture_prepare(snd_pcm_substream_t * substream)
799 azf3328_t *chip = snd_pcm_substream_chip(substream);
800 snd_pcm_runtime_t *runtime = substream->runtime;
801 unsigned int size = snd_pcm_lib_buffer_bytes(substream);
802 unsigned int count = snd_pcm_lib_period_bytes(substream);
805 snd_azf3328_dbgcallenter();
807 snd_azf3328_setfmt(chip, IDX_IO_REC_SOUNDFORMAT, runtime->rate, snd_pcm_format_width(runtime->format), runtime->channels);
808 snd_azf3328_setdmaa(chip, runtime->dma_addr, count, size, 1);
810 snd_azf3328_dbgcallleave();
814 static int snd_azf3328_playback_trigger(snd_pcm_substream_t * substream, int cmd)
817 azf3328_t *chip = snd_pcm_substream_chip(substream);
818 snd_pcm_runtime_t *runtime = substream->runtime;
820 unsigned int status1;
822 snd_azf3328_dbgcalls("snd_azf3328_playback_trigger cmd %d\n", cmd);
824 case SNDRV_PCM_TRIGGER_START:
826 snd_azf3328_dbgio(chip, "trigger1");
829 snd_azf3328_mixer_set_mute(chip, IDX_MIXER_WAVEOUT, 1);
831 snd_azf3328_setfmt(chip, IDX_IO_PLAY_SOUNDFORMAT, runtime->rate, snd_pcm_format_width(runtime->format), runtime->channels);
833 spin_lock_irqsave(&chip->reg_lock, flags);
835 status1 = inw(chip->codec_port+IDX_IO_PLAY_FLAGS);
836 status1 &= ~DMA_RESUME;
837 outw(status1, chip->codec_port+IDX_IO_PLAY_FLAGS);
839 /* FIXME: clear interrupts or what??? */
840 outw(0xffff, chip->codec_port+IDX_IO_PLAY_IRQMASK);
841 spin_unlock_irqrestore(&chip->reg_lock, flags);
843 snd_azf3328_setdmaa(chip, runtime->dma_addr, snd_pcm_lib_period_bytes(substream), snd_pcm_lib_buffer_bytes(substream), 0);
845 spin_lock_irqsave(&chip->reg_lock, flags);
847 /* FIXME: enable playback/recording??? */
848 status1 |= DMA_PLAY_SOMETHING1 | DMA_PLAY_SOMETHING2;
849 outw(status1, chip->codec_port+IDX_IO_PLAY_FLAGS);
851 /* start playback again */
852 /* FIXME: what is this value (0x0010)??? */
853 status1 |= DMA_RESUME | DMA_EPILOGUE_SOMETHING;
854 outw(status1, chip->codec_port+IDX_IO_PLAY_FLAGS);
856 outw(0x00, chip->codec_port+IDX_IO_PLAY_FLAGS);
857 outw(DMA_PLAY_SOMETHING1, chip->codec_port+IDX_IO_PLAY_FLAGS);
858 outw(DMA_PLAY_SOMETHING1|DMA_PLAY_SOMETHING2, chip->codec_port+IDX_IO_PLAY_FLAGS);
859 outw(DMA_RESUME|SOMETHING_ALMOST_ALWAYS_SET|DMA_EPILOGUE_SOMETHING|DMA_SOMETHING_ELSE, chip->codec_port+IDX_IO_PLAY_FLAGS);
861 spin_unlock_irqrestore(&chip->reg_lock, flags);
863 /* now unmute WaveOut */
864 snd_azf3328_mixer_set_mute(chip, IDX_MIXER_WAVEOUT, 0);
866 snd_azf3328_dbgio(chip, "trigger2");
867 chip->is_playing = 1;
869 case SNDRV_PCM_TRIGGER_STOP:
871 snd_azf3328_mixer_set_mute(chip, IDX_MIXER_WAVEOUT, 1);
873 spin_lock_irqsave(&chip->reg_lock, flags);
875 status1 = inw(chip->codec_port+IDX_IO_PLAY_FLAGS);
877 status1 &= ~DMA_RESUME;
878 outw(status1, chip->codec_port+IDX_IO_PLAY_FLAGS);
880 status1 |= DMA_PLAY_SOMETHING1;
881 outw(status1, chip->codec_port+IDX_IO_PLAY_FLAGS);
883 status1 &= ~DMA_PLAY_SOMETHING1;
884 outw(status1, chip->codec_port+IDX_IO_PLAY_FLAGS);
885 spin_unlock_irqrestore(&chip->reg_lock, flags);
887 /* now unmute WaveOut */
888 snd_azf3328_mixer_set_mute(chip, IDX_MIXER_WAVEOUT, 0);
889 chip->is_playing = 0;
891 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
892 snd_printk("FIXME: SNDRV_PCM_TRIGGER_PAUSE_PUSH NIY!\n");
894 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
895 snd_printk("FIXME: SNDRV_PCM_TRIGGER_PAUSE_RELEASE NIY!\n");
901 snd_azf3328_dbgcallleave();
905 /* this is just analogous to playback; I'm not quite sure whether recording
906 * should actually be triggered like that */
907 static int snd_azf3328_capture_trigger(snd_pcm_substream_t * substream, int cmd)
910 azf3328_t *chip = snd_pcm_substream_chip(substream);
911 snd_pcm_runtime_t *runtime = substream->runtime;
913 unsigned int status1;
915 snd_azf3328_dbgcalls("snd_azf3328_capture_trigger cmd %d\n", cmd);
917 case SNDRV_PCM_TRIGGER_START:
919 snd_azf3328_dbgio(chip, "trigger1");
921 snd_azf3328_setfmt(chip, IDX_IO_REC_SOUNDFORMAT, runtime->rate, snd_pcm_format_width(runtime->format), runtime->channels);
923 spin_lock_irqsave(&chip->reg_lock, flags);
925 status1 = inw(chip->codec_port+IDX_IO_REC_FLAGS);
926 status1 &= ~DMA_RESUME;
927 outw(status1, chip->codec_port+IDX_IO_REC_FLAGS);
929 /* FIXME: clear interrupts or what??? */
930 outw(0xffff, chip->codec_port+IDX_IO_REC_IRQMASK);
931 spin_unlock_irqrestore(&chip->reg_lock, flags);
933 snd_azf3328_setdmaa(chip, runtime->dma_addr, snd_pcm_lib_period_bytes(substream), snd_pcm_lib_buffer_bytes(substream), 1);
935 spin_lock_irqsave(&chip->reg_lock, flags);
937 /* FIXME: enable playback/recording??? */
938 status1 |= DMA_PLAY_SOMETHING1 | DMA_PLAY_SOMETHING2;
939 outw(status1, chip->codec_port+IDX_IO_REC_FLAGS);
941 /* start playback again */
942 /* FIXME: what is this value (0x0010)??? */
943 status1 |= DMA_RESUME | DMA_EPILOGUE_SOMETHING;
944 outw(status1, chip->codec_port+IDX_IO_REC_FLAGS);
946 outw(0x00, chip->codec_port+IDX_IO_REC_FLAGS);
947 outw(DMA_PLAY_SOMETHING1, chip->codec_port+IDX_IO_REC_FLAGS);
948 outw(DMA_PLAY_SOMETHING1|DMA_PLAY_SOMETHING2, chip->codec_port+IDX_IO_REC_FLAGS);
949 outw(DMA_RESUME|SOMETHING_ALMOST_ALWAYS_SET|DMA_EPILOGUE_SOMETHING|DMA_SOMETHING_ELSE, chip->codec_port+IDX_IO_REC_FLAGS);
951 spin_unlock_irqrestore(&chip->reg_lock, flags);
953 snd_azf3328_dbgio(chip, "trigger2");
954 chip->is_playing = 1;
956 case SNDRV_PCM_TRIGGER_STOP:
957 spin_lock_irqsave(&chip->reg_lock, flags);
959 status1 = inw(chip->codec_port+IDX_IO_REC_FLAGS);
961 status1 &= ~DMA_RESUME;
962 outw(status1, chip->codec_port+IDX_IO_REC_FLAGS);
964 status1 |= DMA_PLAY_SOMETHING1;
965 outw(status1, chip->codec_port+IDX_IO_REC_FLAGS);
967 status1 &= ~DMA_PLAY_SOMETHING1;
968 outw(status1, chip->codec_port+IDX_IO_REC_FLAGS);
969 spin_unlock_irqrestore(&chip->reg_lock, flags);
971 chip->is_playing = 0;
973 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
974 snd_printk("FIXME: SNDRV_PCM_TRIGGER_PAUSE_PUSH NIY!\n");
976 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
977 snd_printk("FIXME: SNDRV_PCM_TRIGGER_PAUSE_RELEASE NIY!\n");
983 snd_azf3328_dbgcallleave();
987 static snd_pcm_uframes_t snd_azf3328_playback_pointer(snd_pcm_substream_t * substream)
989 azf3328_t *chip = snd_pcm_substream_chip(substream);
990 unsigned long bufptr, playptr;
991 unsigned long result;
992 snd_pcm_uframes_t frmres;
995 spin_lock_irqsave(&chip->reg_lock, flags);
997 bufptr = inl(chip->codec_port+IDX_IO_PLAY_DMA_START_1);
999 bufptr = substream->runtime->dma_addr;
1001 playptr = inl(chip->codec_port+IDX_IO_PLAY_DMA_CURRPOS);
1002 spin_unlock_irqrestore(&chip->reg_lock, flags);
1004 result = playptr - bufptr;
1005 frmres = bytes_to_frames( substream->runtime, result );
1006 snd_azf3328_dbgplay("result %lx, playptr %lx (base %x), frames %ld\n", result, playptr, substream->runtime->dma_addr, frmres);
1010 static snd_pcm_uframes_t snd_azf3328_capture_pointer(snd_pcm_substream_t * substream)
1012 azf3328_t *chip = snd_pcm_substream_chip(substream);
1013 unsigned long bufptr, recptr;
1014 unsigned long result;
1015 snd_pcm_uframes_t frmres;
1016 unsigned long flags;
1018 spin_lock_irqsave(&chip->reg_lock, flags);
1020 bufptr = inl(chip->codec_port+IDX_IO_REC_DMA_START_1);
1022 bufptr = substream->runtime->dma_addr;
1024 recptr = inl(chip->codec_port+IDX_IO_REC_DMA_CURRPOS);
1025 spin_unlock_irqrestore(&chip->reg_lock, flags);
1027 result = recptr - bufptr;
1028 frmres = bytes_to_frames( substream->runtime, result );
1029 snd_azf3328_dbgplay("result %lx, rec ptr %lx (base %x), frames %ld\n", result, recptr, substream->runtime->dma_addr, frmres);
1033 static irqreturn_t snd_azf3328_interrupt(int irq, void *dev_id, struct pt_regs *regs)
1035 azf3328_t *chip = snd_magic_cast(azf3328_t, dev_id, return IRQ_NONE);
1036 unsigned int status, which;
1037 static unsigned long count;
1039 status = inw(chip->codec_port+IDX_IO_IRQSTATUS);
1041 /* fast path out, to ease interrupt sharing */
1042 if (!(status & (IRQ_PLAYBACK|IRQ_RECORDING|IRQ_MPU401|IRQ_SOMEIRQ)))
1043 return IRQ_NONE; /* must be interrupt for another device */
1045 snd_azf3328_dbgplay("Interrupt %ld!\nIDX_IO_PLAY_FLAGS %04x, IDX_IO_PLAY_IRQMASK %04x, IDX_IO_IRQSTATUS %04x\n", count, inw(chip->codec_port+IDX_IO_PLAY_FLAGS), inw(chip->codec_port+IDX_IO_PLAY_IRQMASK), inw(chip->codec_port+IDX_IO_IRQSTATUS));
1047 if (status & IRQ_PLAYBACK)
1049 spin_lock(&chip->reg_lock);
1050 which = inw(chip->codec_port+IDX_IO_PLAY_IRQMASK);
1051 if (which & IRQ_FINISHED_PLAYBUF_1)
1053 outw(which | IRQ_FINISHED_PLAYBUF_1, chip->codec_port+IDX_IO_PLAY_IRQMASK);
1054 if (which & IRQ_FINISHED_PLAYBUF_2)
1056 outw(which | IRQ_FINISHED_PLAYBUF_2, chip->codec_port+IDX_IO_PLAY_IRQMASK);
1057 if (which & IRQ_PLAY_SOMETHING)
1059 snd_azf3328_dbgplay("azt3328: unknown play IRQ type occurred, please report!\n");
1061 if (chip->pcm && chip->playback_substream)
1063 snd_azf3328_dbgplay("which %x, playptr %lx\n", which, inl(chip->codec_port+IDX_IO_PLAY_DMA_CURRPOS));
1064 snd_pcm_period_elapsed(chip->playback_substream);
1065 snd_azf3328_dbgplay("period done, playptr %lx.\n", inl(chip->codec_port+IDX_IO_PLAY_DMA_CURRPOS));
1068 snd_azf3328_dbgplay("azt3328: ouch, irq handler problem!\n");
1069 spin_unlock(&chip->reg_lock);
1071 if (status & IRQ_RECORDING)
1073 spin_lock(&chip->reg_lock);
1074 which = inw(chip->codec_port+IDX_IO_REC_IRQMASK);
1075 if (which & IRQ_FINISHED_RECBUF_1)
1077 outw(which | IRQ_FINISHED_RECBUF_1, chip->codec_port+IDX_IO_REC_IRQMASK);
1078 if (which & IRQ_FINISHED_RECBUF_2)
1080 outw(which | IRQ_FINISHED_RECBUF_2, chip->codec_port+IDX_IO_REC_IRQMASK);
1081 if (which & IRQ_REC_SOMETHING)
1083 snd_azf3328_dbgplay("azt3328: unknown rec IRQ type occurred, please report!\n");
1085 if (chip->pcm && chip->capture_substream)
1087 snd_azf3328_dbgplay("which %x, recptr %lx\n", which, inl(chip->codec_port+IDX_IO_REC_DMA_CURRPOS));
1088 spin_unlock(&chip->reg_lock);
1089 snd_pcm_period_elapsed(chip->capture_substream);
1090 spin_lock(&chip->reg_lock);
1091 snd_azf3328_dbgplay("period done, recptr %lx.\n", inl(chip->codec_port+IDX_IO_REC_DMA_CURRPOS));
1093 spin_unlock(&chip->reg_lock);
1095 if (status & IRQ_MPU401)
1096 snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data, regs);
1097 if (status & IRQ_SOMEIRQ)
1098 snd_azf3328_dbgplay("azt3328: unknown IRQ type occurred, please report!\n");
1103 /*****************************************************************/
1105 static snd_pcm_hardware_t snd_azf3328_playback =
1107 /* FIXME!! Correct? */
1108 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1109 SNDRV_PCM_INFO_MMAP_VALID),
1110 .formats = SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U8 |
1111 SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_U16_LE,
1112 .rates = SNDRV_PCM_RATE_8000_48000 | SNDRV_PCM_RATE_64000 | SNDRV_PCM_RATE_KNOT,
1117 .buffer_bytes_max = 65536,
1118 .period_bytes_min = 64,
1119 .period_bytes_max = 65536,
1121 .periods_max = 1024,
1122 /* FIXME: maybe that card actually has a FIFO?
1123 * Hmm, it seems newer revisions do have one, but we still don't know
1128 static snd_pcm_hardware_t snd_azf3328_capture =
1131 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1132 SNDRV_PCM_INFO_MMAP_VALID),
1133 .formats = SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U8 |
1134 SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_U16_LE,
1135 .rates = SNDRV_PCM_RATE_8000_48000 | SNDRV_PCM_RATE_64000 | SNDRV_PCM_RATE_KNOT,
1140 .buffer_bytes_max = 65536,
1141 .period_bytes_min = 64,
1142 .period_bytes_max = 65536,
1144 .periods_max = 1024,
1149 static unsigned int snd_azf3328_fixed_rates[] = {
1150 5512, 6620, 8000, 9600, 11025, 16000, 22050, 32000, 44100, 48000, 64000
1152 static snd_pcm_hw_constraint_list_t snd_azf3328_hw_constraints_rates = {
1153 .count = ARRAY_SIZE(snd_azf3328_fixed_rates),
1154 .list = snd_azf3328_fixed_rates,
1158 /*****************************************************************/
1160 static int snd_azf3328_playback_open(snd_pcm_substream_t * substream)
1162 azf3328_t *chip = snd_pcm_substream_chip(substream);
1163 snd_pcm_runtime_t *runtime = substream->runtime;
1165 snd_azf3328_dbgcallenter();
1166 chip->playback_substream = substream;
1167 runtime->hw = snd_azf3328_playback;
1168 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1169 &snd_azf3328_hw_constraints_rates);
1170 snd_azf3328_dbgcallleave();
1174 static int snd_azf3328_capture_open(snd_pcm_substream_t * substream)
1176 azf3328_t *chip = snd_pcm_substream_chip(substream);
1177 snd_pcm_runtime_t *runtime = substream->runtime;
1179 snd_azf3328_dbgcallenter();
1180 chip->capture_substream = substream;
1181 runtime->hw = snd_azf3328_capture;
1182 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1183 &snd_azf3328_hw_constraints_rates);
1184 snd_azf3328_dbgcallleave();
1188 static int snd_azf3328_playback_close(snd_pcm_substream_t * substream)
1190 azf3328_t *chip = snd_pcm_substream_chip(substream);
1192 snd_azf3328_dbgcallenter();
1194 chip->playback_substream = NULL;
1195 snd_azf3328_dbgcallleave();
1199 static int snd_azf3328_capture_close(snd_pcm_substream_t * substream)
1201 azf3328_t *chip = snd_pcm_substream_chip(substream);
1203 snd_azf3328_dbgcallenter();
1204 chip->capture_substream = NULL;
1205 snd_azf3328_dbgcallleave();
1209 /******************************************************************/
1211 static snd_pcm_ops_t snd_azf3328_playback_ops = {
1212 .open = snd_azf3328_playback_open,
1213 .close = snd_azf3328_playback_close,
1214 .ioctl = snd_pcm_lib_ioctl,
1215 .hw_params = snd_azf3328_hw_params,
1216 .hw_free = snd_azf3328_hw_free,
1217 .prepare = snd_azf3328_playback_prepare,
1218 .trigger = snd_azf3328_playback_trigger,
1219 .pointer = snd_azf3328_playback_pointer
1222 static snd_pcm_ops_t snd_azf3328_capture_ops = {
1223 .open = snd_azf3328_capture_open,
1224 .close = snd_azf3328_capture_close,
1225 .ioctl = snd_pcm_lib_ioctl,
1226 .hw_params = snd_azf3328_hw_params,
1227 .hw_free = snd_azf3328_hw_free,
1228 .prepare = snd_azf3328_capture_prepare,
1229 .trigger = snd_azf3328_capture_trigger,
1230 .pointer = snd_azf3328_capture_pointer
1233 static void snd_azf3328_pcm_free(snd_pcm_t *pcm)
1235 azf3328_t *chip = snd_magic_cast(azf3328_t, pcm->private_data, return);
1237 snd_pcm_lib_preallocate_free_for_all(pcm);
1240 static int __devinit snd_azf3328_pcm(azf3328_t *chip, int device)
1245 snd_azf3328_dbgcallenter();
1246 if ((err = snd_pcm_new(chip->card, "AZF3328 DSP", device, 1, 1, &pcm)) < 0)
1248 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_azf3328_playback_ops);
1249 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_azf3328_capture_ops);
1251 pcm->private_data = chip;
1252 pcm->private_free = snd_azf3328_pcm_free;
1253 pcm->info_flags = 0;
1254 strcpy(pcm->name, chip->card->shortname);
1257 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1258 snd_dma_pci_data(chip->pci), 64*1024, 64*1024);
1260 snd_azf3328_dbgcallleave();
1264 /******************************************************************/
1266 static int snd_azf3328_free(azf3328_t *chip)
1271 /* reset (close) mixer */
1272 snd_azf3328_mixer_set_mute(chip, IDX_MIXER_PLAY_MASTER, 1); /* first mute master volume */
1273 snd_azf3328_mixer_write(chip, IDX_MIXER_RESET, 0x0, WORD_VALUE);
1275 /* interrupt setup - mask everything */
1278 synchronize_irq(chip->irq);
1280 #ifdef SUPPORT_JOYSTICK
1281 if (chip->res_joystick) {
1282 gameport_unregister_port(&chip->gameport);
1283 /* disable gameport */
1284 snd_azf3328_io2_write(chip, IDX_IO2_LEGACY_ADDR,
1285 snd_azf3328_io2_read(chip, IDX_IO2_LEGACY_ADDR) & ~LEGACY_JOY);
1286 release_resource(chip->res_joystick);
1287 kfree_nocheck(chip->res_joystick);
1290 if (chip->res_codec_port) {
1291 release_resource(chip->res_codec_port);
1292 kfree_nocheck(chip->res_codec_port);
1294 if (chip->res_io2_port) {
1295 release_resource(chip->res_io2_port);
1296 kfree_nocheck(chip->res_io2_port);
1298 if (chip->res_mpu_port) {
1299 release_resource(chip->res_mpu_port);
1300 kfree_nocheck(chip->res_mpu_port);
1302 if (chip->res_synth_port) {
1303 release_resource(chip->res_synth_port);
1304 kfree_nocheck(chip->res_synth_port);
1306 if (chip->res_mixer_port) {
1307 release_resource(chip->res_mixer_port);
1308 kfree_nocheck(chip->res_mixer_port);
1311 free_irq(chip->irq, (void *)chip);
1313 snd_magic_kfree(chip);
1317 static int snd_azf3328_dev_free(snd_device_t *device)
1319 azf3328_t *chip = snd_magic_cast(azf3328_t, device->device_data, return -ENXIO);
1320 return snd_azf3328_free(chip);
1324 /* check whether a bit can be modified */
1325 static void snd_azf3328_test_bit(unsigned int reg, int bit)
1327 unsigned char val, valoff, valon;
1331 outb(val & ~(1 << bit), reg);
1334 outb(val|(1 << bit), reg);
1339 printk(KERN_ERR "reg %04x bit %d: %02x %02x %02x\n", reg, bit, val, valoff, valon);
1343 static int __devinit snd_azf3328_create(snd_card_t * card,
1344 struct pci_dev *pci,
1345 unsigned long device_type,
1348 unsigned long flags;
1351 static snd_device_ops_t ops = {
1352 .dev_free = snd_azf3328_dev_free,
1358 if ((err = pci_enable_device(pci)) < 0)
1361 chip = snd_magic_kcalloc(azf3328_t, 0, GFP_KERNEL);
1364 spin_lock_init(&chip->reg_lock);
1369 /* check if we can restrict PCI DMA transfers to 24 bits */
1370 if (pci_set_dma_mask(pci, 0x00ffffff) < 0 ||
1371 pci_set_consistent_dma_mask(pci, 0x00ffffff) < 0) {
1372 snd_printk("architecture does not support 24bit PCI busmaster DMA\n");
1376 chip->codec_port = pci_resource_start(pci, 0);
1377 if ((chip->res_codec_port = request_region(chip->codec_port, 0x80, "Aztech AZF3328 I/O")) == NULL) {
1378 snd_printk("unable to grab I/O port at 0x%lx-0x%lx\n", chip->codec_port, chip->codec_port + 0x80 - 1);
1379 snd_azf3328_free(chip);
1382 chip->io2_port = pci_resource_start(pci, 1);
1383 if ((chip->res_io2_port = request_region(chip->io2_port, 0x08, "Aztech AZF3328 I/O 2")) == NULL) {
1384 snd_printk("unable to grab I/O 2 port at 0x%lx-0x%lx\n", chip->io2_port, chip->io2_port + 0x08 - 1);
1385 snd_azf3328_free(chip);
1388 chip->mpu_port = pci_resource_start(pci, 2);
1389 if ((chip->res_mpu_port = request_region(chip->mpu_port, 0x04, "Aztech AZF3328 MPU401")) == NULL) {
1390 snd_printk("unable to grab MPU401 port at 0x%lx-0x%lx\n", chip->mpu_port, chip->mpu_port + 0x04 - 1);
1391 snd_azf3328_free(chip);
1394 chip->synth_port = pci_resource_start(pci, 3);
1395 if ((chip->res_synth_port = request_region(chip->synth_port, 0x08, "Aztech AZF3328 OPL3")) == NULL) {
1396 snd_printk("unable to grab OPL3 port at 0x%lx-0x%lx\n", chip->synth_port, chip->synth_port + 0x08 - 1);
1397 snd_azf3328_free(chip);
1400 chip->mixer_port = pci_resource_start(pci, 4);
1401 if ((chip->res_mixer_port = request_region(chip->mixer_port, 0x40, "Aztech AZF3328 Mixer")) == NULL) {
1402 snd_printk("unable to grab mixer port at 0x%lx-0x%lx\n", chip->mixer_port, chip->mixer_port + 0x40 - 1);
1403 snd_azf3328_free(chip);
1407 if (request_irq(pci->irq, snd_azf3328_interrupt, SA_INTERRUPT|SA_SHIRQ, card->shortname, (void *)chip)) {
1408 snd_printk("unable to grab IRQ %d\n", pci->irq);
1409 snd_azf3328_free(chip);
1412 chip->irq = pci->irq;
1413 pci_set_master(pci);
1414 synchronize_irq(chip->irq);
1416 snd_azf3328_dbgmisc("codec_port 0x%lx, io2_port 0x%lx, mpu_port 0x%lx, synth_port 0x%lx, mixer_port 0x%lx, irq %d\n", chip->codec_port, chip->io2_port, chip->mpu_port, chip->synth_port, chip->mixer_port, chip->irq);
1418 snd_azf3328_dbgmisc("io2 %02x %02x %02x %02x %02x %02x\n", snd_azf3328_io2_read(chip, 0), snd_azf3328_io2_read(chip, 1), snd_azf3328_io2_read(chip, 2), snd_azf3328_io2_read(chip, 3), snd_azf3328_io2_read(chip, 4), snd_azf3328_io2_read(chip, 5));
1420 for (tmp=0; tmp <= 0x01; tmp += 1)
1421 snd_azf3328_dbgmisc("0x%02x: opl 0x%04x, mpu300 0x%04x, mpu310 0x%04x, mpu320 0x%04x, mpu330 0x%04x\n", tmp, inb(0x388 + tmp), inb(0x300 + tmp), inb(0x310 + tmp), inb(0x320 + tmp), inb(0x330 + tmp));
1423 /* create mixer interface & switches */
1424 if ((err = snd_azf3328_mixer_new(chip)) < 0)
1427 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1428 snd_azf3328_free(chip);
1433 /* set very low bitrate to reduce noise and power consumption? */
1434 snd_azf3328_setfmt(chip, IDX_IO_PLAY_SOUNDFORMAT, 5512, 8, 1);
1437 /* standard chip init stuff */
1438 spin_lock_irqsave(&chip->reg_lock, flags);
1439 outb(DMA_PLAY_SOMETHING2|DMA_EPILOGUE_SOMETHING|DMA_SOMETHING_ELSE, chip->codec_port + IDX_IO_PLAY_FLAGS);
1440 outb(DMA_PLAY_SOMETHING2|DMA_EPILOGUE_SOMETHING|DMA_SOMETHING_ELSE, chip->codec_port + IDX_IO_SOMETHING_FLAGS);
1441 outb(DMA_PLAY_SOMETHING2|DMA_EPILOGUE_SOMETHING|DMA_SOMETHING_ELSE, chip->codec_port + IDX_IO_REC_FLAGS);
1442 outb(0x0, chip->codec_port + IDX_IO_IRQ63H);
1444 spin_unlock_irqrestore(&chip->reg_lock, flags);
1446 snd_card_set_dev(card, &pci->dev);
1452 #ifdef SUPPORT_JOYSTICK
1453 static void __devinit snd_azf3328_config_joystick(azf3328_t *chip, int joystick)
1457 if (joystick == 1) {
1458 if ((chip->res_joystick = request_region(0x200, 8, "AZF3328 gameport")) != NULL)
1459 chip->gameport.io = 0x200;
1462 val = inb(chip->io2_port + IDX_IO2_LEGACY_ADDR);
1463 if (chip->res_joystick)
1468 outb(val, chip->io2_port + IDX_IO2_LEGACY_ADDR);
1469 if (chip->res_joystick)
1470 gameport_register_port(&chip->gameport);
1474 static int __devinit snd_azf3328_probe(struct pci_dev *pci,
1475 const struct pci_device_id *pci_id)
1483 snd_azf3328_dbgcallenter();
1484 if (dev >= SNDRV_CARDS)
1491 card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0 );
1495 strcpy(card->driver, "AZF3328");
1496 strcpy(card->shortname, "Aztech AZF3328 (PCI168)");
1498 if ((err = snd_azf3328_create(card, pci, pci_id->driver_data, &chip)) < 0) {
1499 snd_card_free(card);
1503 if ((err = snd_mpu401_uart_new( card, 0, MPU401_HW_MPU401,
1504 chip->mpu_port, 1, pci->irq, 0,
1505 &chip->rmidi)) < 0) {
1506 snd_printk("azf3328: no MPU-401 device at 0x%lx?\n", chip->mpu_port);
1507 snd_card_free(card);
1511 if ((err = snd_azf3328_pcm(chip, 0)) < 0) {
1512 snd_card_free(card);
1516 if (snd_opl3_create(card, chip->synth_port, chip->synth_port+2,
1517 OPL3_HW_AUTO, 1, &opl3) < 0) {
1518 snd_printk("azf3328: no OPL3 device at 0x%lx-0x%lx?\n",
1519 chip->synth_port, chip->synth_port+2 );
1521 if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
1522 snd_card_free(card);
1527 snd_azf3328_dbgio(chip, "create");
1529 sprintf(card->longname, "%s at 0x%lx, irq %i",
1530 card->shortname, chip->codec_port, chip->irq);
1532 if ((err = snd_card_register(card)) < 0) {
1533 snd_card_free(card);
1539 "azt3328: Experimental driver for Aztech AZF3328-based soundcards such as PCI168.\n"
1540 "azt3328: ZERO support from Aztech: you might think hard about future purchase.\n"
1541 "azt3328: Feel free to contact hw7oshyuv3001@sneakemail.com for bug reports etc.!\n");
1544 #ifdef SUPPORT_JOYSTICK
1545 snd_azf3328_config_joystick(chip, joystick[dev]);
1548 pci_set_drvdata(pci, card);
1551 snd_azf3328_dbgcallleave();
1555 static void __devexit snd_azf3328_remove(struct pci_dev *pci)
1557 snd_azf3328_dbgcallenter();
1558 snd_card_free(pci_get_drvdata(pci));
1559 pci_set_drvdata(pci, NULL);
1560 snd_azf3328_dbgcallleave();
1563 static struct pci_driver driver = {
1565 .id_table = snd_azf3328_ids,
1566 .probe = snd_azf3328_probe,
1567 .remove = __devexit_p(snd_azf3328_remove),
1570 static int __init alsa_card_azf3328_init(void)
1573 snd_azf3328_dbgcallenter();
1574 err = pci_module_init(&driver);
1575 snd_azf3328_dbgcallleave();
1579 static void __exit alsa_card_azf3328_exit(void)
1581 snd_azf3328_dbgcallenter();
1582 pci_unregister_driver(&driver);
1583 snd_azf3328_dbgcallleave();
1586 module_init(alsa_card_azf3328_init)
1587 module_exit(alsa_card_azf3328_exit)