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[ALSA] ice1724 - Fix IRQ lock-up with MPU access
[mirror_ubuntu-bionic-kernel.git] / sound / pci / es1938.c
1 /*
2 * Driver for ESS Solo-1 (ES1938, ES1946, ES1969) soundcard
3 * Copyright (c) by Jaromir Koutek <miri@punknet.cz>,
4 * Jaroslav Kysela <perex@perex.cz>,
5 * Thomas Sailer <sailer@ife.ee.ethz.ch>,
6 * Abramo Bagnara <abramo@alsa-project.org>,
7 * Markus Gruber <gruber@eikon.tum.de>
8 *
9 * Rewritten from sonicvibes.c source.
10 *
11 * TODO:
12 * Rewrite better spinlocks
13 *
14 *
15 * This program is free software; you can redistribute it and/or modify
16 * it under the terms of the GNU General Public License as published by
17 * the Free Software Foundation; either version 2 of the License, or
18 * (at your option) any later version.
19 *
20 * This program is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 * GNU General Public License for more details.
24 *
25 * You should have received a copy of the GNU General Public License
26 * along with this program; if not, write to the Free Software
27 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
28 *
29 */
30
31 /*
32 NOTES:
33 - Capture data is written unaligned starting from dma_base + 1 so I need to
34 disable mmap and to add a copy callback.
35 - After several cycle of the following:
36 while : ; do arecord -d1 -f cd -t raw | aplay -f cd ; done
37 a "playback write error (DMA or IRQ trouble?)" may happen.
38 This is due to playback interrupts not generated.
39 I suspect a timing issue.
40 - Sometimes the interrupt handler is invoked wrongly during playback.
41 This generates some harmless "Unexpected hw_pointer: wrong interrupt
42 acknowledge".
43 I've seen that using small period sizes.
44 Reproducible with:
45 mpg123 test.mp3 &
46 hdparm -t -T /dev/hda
47 */
48
49
50 #include <linux/init.h>
51 #include <linux/interrupt.h>
52 #include <linux/pci.h>
53 #include <linux/slab.h>
54 #include <linux/gameport.h>
55 #include <linux/moduleparam.h>
56 #include <linux/delay.h>
57 #include <linux/dma-mapping.h>
58 #include <sound/core.h>
59 #include <sound/control.h>
60 #include <sound/pcm.h>
61 #include <sound/opl3.h>
62 #include <sound/mpu401.h>
63 #include <sound/initval.h>
64 #include <sound/tlv.h>
65
66 #include <asm/io.h>
67
68 MODULE_AUTHOR("Jaromir Koutek <miri@punknet.cz>");
69 MODULE_DESCRIPTION("ESS Solo-1");
70 MODULE_LICENSE("GPL");
71 MODULE_SUPPORTED_DEVICE("{{ESS,ES1938},"
72 "{ESS,ES1946},"
73 "{ESS,ES1969},"
74 "{TerraTec,128i PCI}}");
75
76 #if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE))
77 #define SUPPORT_JOYSTICK 1
78 #endif
79
80 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
81 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
82 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
83
84 module_param_array(index, int, NULL, 0444);
85 MODULE_PARM_DESC(index, "Index value for ESS Solo-1 soundcard.");
86 module_param_array(id, charp, NULL, 0444);
87 MODULE_PARM_DESC(id, "ID string for ESS Solo-1 soundcard.");
88 module_param_array(enable, bool, NULL, 0444);
89 MODULE_PARM_DESC(enable, "Enable ESS Solo-1 soundcard.");
90
91 #define SLIO_REG(chip, x) ((chip)->io_port + ESSIO_REG_##x)
92
93 #define SLDM_REG(chip, x) ((chip)->ddma_port + ESSDM_REG_##x)
94
95 #define SLSB_REG(chip, x) ((chip)->sb_port + ESSSB_REG_##x)
96
97 #define SL_PCI_LEGACYCONTROL 0x40
98 #define SL_PCI_CONFIG 0x50
99 #define SL_PCI_DDMACONTROL 0x60
100
101 #define ESSIO_REG_AUDIO2DMAADDR 0
102 #define ESSIO_REG_AUDIO2DMACOUNT 4
103 #define ESSIO_REG_AUDIO2MODE 6
104 #define ESSIO_REG_IRQCONTROL 7
105
106 #define ESSDM_REG_DMAADDR 0x00
107 #define ESSDM_REG_DMACOUNT 0x04
108 #define ESSDM_REG_DMACOMMAND 0x08
109 #define ESSDM_REG_DMASTATUS 0x08
110 #define ESSDM_REG_DMAMODE 0x0b
111 #define ESSDM_REG_DMACLEAR 0x0d
112 #define ESSDM_REG_DMAMASK 0x0f
113
114 #define ESSSB_REG_FMLOWADDR 0x00
115 #define ESSSB_REG_FMHIGHADDR 0x02
116 #define ESSSB_REG_MIXERADDR 0x04
117 #define ESSSB_REG_MIXERDATA 0x05
118
119 #define ESSSB_IREG_AUDIO1 0x14
120 #define ESSSB_IREG_MICMIX 0x1a
121 #define ESSSB_IREG_RECSRC 0x1c
122 #define ESSSB_IREG_MASTER 0x32
123 #define ESSSB_IREG_FM 0x36
124 #define ESSSB_IREG_AUXACD 0x38
125 #define ESSSB_IREG_AUXB 0x3a
126 #define ESSSB_IREG_PCSPEAKER 0x3c
127 #define ESSSB_IREG_LINE 0x3e
128 #define ESSSB_IREG_SPATCONTROL 0x50
129 #define ESSSB_IREG_SPATLEVEL 0x52
130 #define ESSSB_IREG_MASTER_LEFT 0x60
131 #define ESSSB_IREG_MASTER_RIGHT 0x62
132 #define ESSSB_IREG_MPU401CONTROL 0x64
133 #define ESSSB_IREG_MICMIXRECORD 0x68
134 #define ESSSB_IREG_AUDIO2RECORD 0x69
135 #define ESSSB_IREG_AUXACDRECORD 0x6a
136 #define ESSSB_IREG_FMRECORD 0x6b
137 #define ESSSB_IREG_AUXBRECORD 0x6c
138 #define ESSSB_IREG_MONO 0x6d
139 #define ESSSB_IREG_LINERECORD 0x6e
140 #define ESSSB_IREG_MONORECORD 0x6f
141 #define ESSSB_IREG_AUDIO2SAMPLE 0x70
142 #define ESSSB_IREG_AUDIO2MODE 0x71
143 #define ESSSB_IREG_AUDIO2FILTER 0x72
144 #define ESSSB_IREG_AUDIO2TCOUNTL 0x74
145 #define ESSSB_IREG_AUDIO2TCOUNTH 0x76
146 #define ESSSB_IREG_AUDIO2CONTROL1 0x78
147 #define ESSSB_IREG_AUDIO2CONTROL2 0x7a
148 #define ESSSB_IREG_AUDIO2 0x7c
149
150 #define ESSSB_REG_RESET 0x06
151
152 #define ESSSB_REG_READDATA 0x0a
153 #define ESSSB_REG_WRITEDATA 0x0c
154 #define ESSSB_REG_READSTATUS 0x0c
155
156 #define ESSSB_REG_STATUS 0x0e
157
158 #define ESS_CMD_EXTSAMPLERATE 0xa1
159 #define ESS_CMD_FILTERDIV 0xa2
160 #define ESS_CMD_DMACNTRELOADL 0xa4
161 #define ESS_CMD_DMACNTRELOADH 0xa5
162 #define ESS_CMD_ANALOGCONTROL 0xa8
163 #define ESS_CMD_IRQCONTROL 0xb1
164 #define ESS_CMD_DRQCONTROL 0xb2
165 #define ESS_CMD_RECLEVEL 0xb4
166 #define ESS_CMD_SETFORMAT 0xb6
167 #define ESS_CMD_SETFORMAT2 0xb7
168 #define ESS_CMD_DMACONTROL 0xb8
169 #define ESS_CMD_DMATYPE 0xb9
170 #define ESS_CMD_OFFSETLEFT 0xba
171 #define ESS_CMD_OFFSETRIGHT 0xbb
172 #define ESS_CMD_READREG 0xc0
173 #define ESS_CMD_ENABLEEXT 0xc6
174 #define ESS_CMD_PAUSEDMA 0xd0
175 #define ESS_CMD_ENABLEAUDIO1 0xd1
176 #define ESS_CMD_STOPAUDIO1 0xd3
177 #define ESS_CMD_AUDIO1STATUS 0xd8
178 #define ESS_CMD_CONTDMA 0xd4
179 #define ESS_CMD_TESTIRQ 0xf2
180
181 #define ESS_RECSRC_MIC 0
182 #define ESS_RECSRC_AUXACD 2
183 #define ESS_RECSRC_AUXB 5
184 #define ESS_RECSRC_LINE 6
185 #define ESS_RECSRC_NONE 7
186
187 #define DAC1 0x01
188 #define ADC1 0x02
189 #define DAC2 0x04
190
191 /*
192
193 */
194
195 #define SAVED_REG_SIZE 32 /* max. number of registers to save */
196
197 struct es1938 {
198 int irq;
199
200 unsigned long io_port;
201 unsigned long sb_port;
202 unsigned long vc_port;
203 unsigned long mpu_port;
204 unsigned long game_port;
205 unsigned long ddma_port;
206
207 unsigned char irqmask;
208 unsigned char revision;
209
210 struct snd_kcontrol *hw_volume;
211 struct snd_kcontrol *hw_switch;
212 struct snd_kcontrol *master_volume;
213 struct snd_kcontrol *master_switch;
214
215 struct pci_dev *pci;
216 struct snd_card *card;
217 struct snd_pcm *pcm;
218 struct snd_pcm_substream *capture_substream;
219 struct snd_pcm_substream *playback1_substream;
220 struct snd_pcm_substream *playback2_substream;
221 struct snd_rawmidi *rmidi;
222
223 unsigned int dma1_size;
224 unsigned int dma2_size;
225 unsigned int dma1_start;
226 unsigned int dma2_start;
227 unsigned int dma1_shift;
228 unsigned int dma2_shift;
229 unsigned int last_capture_dmaaddr;
230 unsigned int active;
231
232 spinlock_t reg_lock;
233 spinlock_t mixer_lock;
234 struct snd_info_entry *proc_entry;
235
236 #ifdef SUPPORT_JOYSTICK
237 struct gameport *gameport;
238 #endif
239 #ifdef CONFIG_PM
240 unsigned char saved_regs[SAVED_REG_SIZE];
241 #endif
242 };
243
244 static irqreturn_t snd_es1938_interrupt(int irq, void *dev_id);
245
246 static struct pci_device_id snd_es1938_ids[] = {
247 { 0x125d, 0x1969, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* Solo-1 */
248 { 0, }
249 };
250
251 MODULE_DEVICE_TABLE(pci, snd_es1938_ids);
252
253 #define RESET_LOOP_TIMEOUT 0x10000
254 #define WRITE_LOOP_TIMEOUT 0x10000
255 #define GET_LOOP_TIMEOUT 0x01000
256
257 #undef REG_DEBUG
258 /* -----------------------------------------------------------------
259 * Write to a mixer register
260 * -----------------------------------------------------------------*/
261 static void snd_es1938_mixer_write(struct es1938 *chip, unsigned char reg, unsigned char val)
262 {
263 unsigned long flags;
264 spin_lock_irqsave(&chip->mixer_lock, flags);
265 outb(reg, SLSB_REG(chip, MIXERADDR));
266 outb(val, SLSB_REG(chip, MIXERDATA));
267 spin_unlock_irqrestore(&chip->mixer_lock, flags);
268 #ifdef REG_DEBUG
269 snd_printk(KERN_DEBUG "Mixer reg %02x set to %02x\n", reg, val);
270 #endif
271 }
272
273 /* -----------------------------------------------------------------
274 * Read from a mixer register
275 * -----------------------------------------------------------------*/
276 static int snd_es1938_mixer_read(struct es1938 *chip, unsigned char reg)
277 {
278 int data;
279 unsigned long flags;
280 spin_lock_irqsave(&chip->mixer_lock, flags);
281 outb(reg, SLSB_REG(chip, MIXERADDR));
282 data = inb(SLSB_REG(chip, MIXERDATA));
283 spin_unlock_irqrestore(&chip->mixer_lock, flags);
284 #ifdef REG_DEBUG
285 snd_printk(KERN_DEBUG "Mixer reg %02x now is %02x\n", reg, data);
286 #endif
287 return data;
288 }
289
290 /* -----------------------------------------------------------------
291 * Write to some bits of a mixer register (return old value)
292 * -----------------------------------------------------------------*/
293 static int snd_es1938_mixer_bits(struct es1938 *chip, unsigned char reg,
294 unsigned char mask, unsigned char val)
295 {
296 unsigned long flags;
297 unsigned char old, new, oval;
298 spin_lock_irqsave(&chip->mixer_lock, flags);
299 outb(reg, SLSB_REG(chip, MIXERADDR));
300 old = inb(SLSB_REG(chip, MIXERDATA));
301 oval = old & mask;
302 if (val != oval) {
303 new = (old & ~mask) | (val & mask);
304 outb(new, SLSB_REG(chip, MIXERDATA));
305 #ifdef REG_DEBUG
306 snd_printk(KERN_DEBUG "Mixer reg %02x was %02x, set to %02x\n",
307 reg, old, new);
308 #endif
309 }
310 spin_unlock_irqrestore(&chip->mixer_lock, flags);
311 return oval;
312 }
313
314 /* -----------------------------------------------------------------
315 * Write command to Controller Registers
316 * -----------------------------------------------------------------*/
317 static void snd_es1938_write_cmd(struct es1938 *chip, unsigned char cmd)
318 {
319 int i;
320 unsigned char v;
321 for (i = 0; i < WRITE_LOOP_TIMEOUT; i++) {
322 if (!(v = inb(SLSB_REG(chip, READSTATUS)) & 0x80)) {
323 outb(cmd, SLSB_REG(chip, WRITEDATA));
324 return;
325 }
326 }
327 printk(KERN_ERR "snd_es1938_write_cmd timeout (0x02%x/0x02%x)\n", cmd, v);
328 }
329
330 /* -----------------------------------------------------------------
331 * Read the Read Data Buffer
332 * -----------------------------------------------------------------*/
333 static int snd_es1938_get_byte(struct es1938 *chip)
334 {
335 int i;
336 unsigned char v;
337 for (i = GET_LOOP_TIMEOUT; i; i--)
338 if ((v = inb(SLSB_REG(chip, STATUS))) & 0x80)
339 return inb(SLSB_REG(chip, READDATA));
340 snd_printk(KERN_ERR "get_byte timeout: status 0x02%x\n", v);
341 return -ENODEV;
342 }
343
344 /* -----------------------------------------------------------------
345 * Write value cmd register
346 * -----------------------------------------------------------------*/
347 static void snd_es1938_write(struct es1938 *chip, unsigned char reg, unsigned char val)
348 {
349 unsigned long flags;
350 spin_lock_irqsave(&chip->reg_lock, flags);
351 snd_es1938_write_cmd(chip, reg);
352 snd_es1938_write_cmd(chip, val);
353 spin_unlock_irqrestore(&chip->reg_lock, flags);
354 #ifdef REG_DEBUG
355 snd_printk(KERN_DEBUG "Reg %02x set to %02x\n", reg, val);
356 #endif
357 }
358
359 /* -----------------------------------------------------------------
360 * Read data from cmd register and return it
361 * -----------------------------------------------------------------*/
362 static unsigned char snd_es1938_read(struct es1938 *chip, unsigned char reg)
363 {
364 unsigned char val;
365 unsigned long flags;
366 spin_lock_irqsave(&chip->reg_lock, flags);
367 snd_es1938_write_cmd(chip, ESS_CMD_READREG);
368 snd_es1938_write_cmd(chip, reg);
369 val = snd_es1938_get_byte(chip);
370 spin_unlock_irqrestore(&chip->reg_lock, flags);
371 #ifdef REG_DEBUG
372 snd_printk(KERN_DEBUG "Reg %02x now is %02x\n", reg, val);
373 #endif
374 return val;
375 }
376
377 /* -----------------------------------------------------------------
378 * Write data to cmd register and return old value
379 * -----------------------------------------------------------------*/
380 static int snd_es1938_bits(struct es1938 *chip, unsigned char reg, unsigned char mask,
381 unsigned char val)
382 {
383 unsigned long flags;
384 unsigned char old, new, oval;
385 spin_lock_irqsave(&chip->reg_lock, flags);
386 snd_es1938_write_cmd(chip, ESS_CMD_READREG);
387 snd_es1938_write_cmd(chip, reg);
388 old = snd_es1938_get_byte(chip);
389 oval = old & mask;
390 if (val != oval) {
391 snd_es1938_write_cmd(chip, reg);
392 new = (old & ~mask) | (val & mask);
393 snd_es1938_write_cmd(chip, new);
394 #ifdef REG_DEBUG
395 snd_printk(KERN_DEBUG "Reg %02x was %02x, set to %02x\n",
396 reg, old, new);
397 #endif
398 }
399 spin_unlock_irqrestore(&chip->reg_lock, flags);
400 return oval;
401 }
402
403 /* --------------------------------------------------------------------
404 * Reset the chip
405 * --------------------------------------------------------------------*/
406 static void snd_es1938_reset(struct es1938 *chip)
407 {
408 int i;
409
410 outb(3, SLSB_REG(chip, RESET));
411 inb(SLSB_REG(chip, RESET));
412 outb(0, SLSB_REG(chip, RESET));
413 for (i = 0; i < RESET_LOOP_TIMEOUT; i++) {
414 if (inb(SLSB_REG(chip, STATUS)) & 0x80) {
415 if (inb(SLSB_REG(chip, READDATA)) == 0xaa)
416 goto __next;
417 }
418 }
419 snd_printk(KERN_ERR "ESS Solo-1 reset failed\n");
420
421 __next:
422 snd_es1938_write_cmd(chip, ESS_CMD_ENABLEEXT);
423
424 /* Demand transfer DMA: 4 bytes per DMA request */
425 snd_es1938_write(chip, ESS_CMD_DMATYPE, 2);
426
427 /* Change behaviour of register A1
428 4x oversampling
429 2nd channel DAC asynchronous */
430 snd_es1938_mixer_write(chip, ESSSB_IREG_AUDIO2MODE, 0x32);
431 /* enable/select DMA channel and IRQ channel */
432 snd_es1938_bits(chip, ESS_CMD_IRQCONTROL, 0xf0, 0x50);
433 snd_es1938_bits(chip, ESS_CMD_DRQCONTROL, 0xf0, 0x50);
434 snd_es1938_write_cmd(chip, ESS_CMD_ENABLEAUDIO1);
435 /* Set spatializer parameters to recommended values */
436 snd_es1938_mixer_write(chip, 0x54, 0x8f);
437 snd_es1938_mixer_write(chip, 0x56, 0x95);
438 snd_es1938_mixer_write(chip, 0x58, 0x94);
439 snd_es1938_mixer_write(chip, 0x5a, 0x80);
440 }
441
442 /* --------------------------------------------------------------------
443 * Reset the FIFOs
444 * --------------------------------------------------------------------*/
445 static void snd_es1938_reset_fifo(struct es1938 *chip)
446 {
447 outb(2, SLSB_REG(chip, RESET));
448 outb(0, SLSB_REG(chip, RESET));
449 }
450
451 static struct snd_ratnum clocks[2] = {
452 {
453 .num = 793800,
454 .den_min = 1,
455 .den_max = 128,
456 .den_step = 1,
457 },
458 {
459 .num = 768000,
460 .den_min = 1,
461 .den_max = 128,
462 .den_step = 1,
463 }
464 };
465
466 static struct snd_pcm_hw_constraint_ratnums hw_constraints_clocks = {
467 .nrats = 2,
468 .rats = clocks,
469 };
470
471
472 static void snd_es1938_rate_set(struct es1938 *chip,
473 struct snd_pcm_substream *substream,
474 int mode)
475 {
476 unsigned int bits, div0;
477 struct snd_pcm_runtime *runtime = substream->runtime;
478 if (runtime->rate_num == clocks[0].num)
479 bits = 128 - runtime->rate_den;
480 else
481 bits = 256 - runtime->rate_den;
482
483 /* set filter register */
484 div0 = 256 - 7160000*20/(8*82*runtime->rate);
485
486 if (mode == DAC2) {
487 snd_es1938_mixer_write(chip, 0x70, bits);
488 snd_es1938_mixer_write(chip, 0x72, div0);
489 } else {
490 snd_es1938_write(chip, 0xA1, bits);
491 snd_es1938_write(chip, 0xA2, div0);
492 }
493 }
494
495 /* --------------------------------------------------------------------
496 * Configure Solo1 builtin DMA Controller
497 * --------------------------------------------------------------------*/
498
499 static void snd_es1938_playback1_setdma(struct es1938 *chip)
500 {
501 outb(0x00, SLIO_REG(chip, AUDIO2MODE));
502 outl(chip->dma2_start, SLIO_REG(chip, AUDIO2DMAADDR));
503 outw(0, SLIO_REG(chip, AUDIO2DMACOUNT));
504 outw(chip->dma2_size, SLIO_REG(chip, AUDIO2DMACOUNT));
505 }
506
507 static void snd_es1938_playback2_setdma(struct es1938 *chip)
508 {
509 /* Enable DMA controller */
510 outb(0xc4, SLDM_REG(chip, DMACOMMAND));
511 /* 1. Master reset */
512 outb(0, SLDM_REG(chip, DMACLEAR));
513 /* 2. Mask DMA */
514 outb(1, SLDM_REG(chip, DMAMASK));
515 outb(0x18, SLDM_REG(chip, DMAMODE));
516 outl(chip->dma1_start, SLDM_REG(chip, DMAADDR));
517 outw(chip->dma1_size - 1, SLDM_REG(chip, DMACOUNT));
518 /* 3. Unmask DMA */
519 outb(0, SLDM_REG(chip, DMAMASK));
520 }
521
522 static void snd_es1938_capture_setdma(struct es1938 *chip)
523 {
524 /* Enable DMA controller */
525 outb(0xc4, SLDM_REG(chip, DMACOMMAND));
526 /* 1. Master reset */
527 outb(0, SLDM_REG(chip, DMACLEAR));
528 /* 2. Mask DMA */
529 outb(1, SLDM_REG(chip, DMAMASK));
530 outb(0x14, SLDM_REG(chip, DMAMODE));
531 outl(chip->dma1_start, SLDM_REG(chip, DMAADDR));
532 chip->last_capture_dmaaddr = chip->dma1_start;
533 outw(chip->dma1_size - 1, SLDM_REG(chip, DMACOUNT));
534 /* 3. Unmask DMA */
535 outb(0, SLDM_REG(chip, DMAMASK));
536 }
537
538 /* ----------------------------------------------------------------------
539 *
540 * *** PCM part ***
541 */
542
543 static int snd_es1938_capture_trigger(struct snd_pcm_substream *substream,
544 int cmd)
545 {
546 struct es1938 *chip = snd_pcm_substream_chip(substream);
547 int val;
548 switch (cmd) {
549 case SNDRV_PCM_TRIGGER_START:
550 case SNDRV_PCM_TRIGGER_RESUME:
551 val = 0x0f;
552 chip->active |= ADC1;
553 break;
554 case SNDRV_PCM_TRIGGER_STOP:
555 case SNDRV_PCM_TRIGGER_SUSPEND:
556 val = 0x00;
557 chip->active &= ~ADC1;
558 break;
559 default:
560 return -EINVAL;
561 }
562 snd_es1938_write(chip, ESS_CMD_DMACONTROL, val);
563 return 0;
564 }
565
566 static int snd_es1938_playback1_trigger(struct snd_pcm_substream *substream,
567 int cmd)
568 {
569 struct es1938 *chip = snd_pcm_substream_chip(substream);
570 switch (cmd) {
571 case SNDRV_PCM_TRIGGER_START:
572 case SNDRV_PCM_TRIGGER_RESUME:
573 /* According to the documentation this should be:
574 0x13 but that value may randomly swap stereo channels */
575 snd_es1938_mixer_write(chip, ESSSB_IREG_AUDIO2CONTROL1, 0x92);
576 udelay(10);
577 snd_es1938_mixer_write(chip, ESSSB_IREG_AUDIO2CONTROL1, 0x93);
578 /* This two stage init gives the FIFO -> DAC connection time to
579 * settle before first data from DMA flows in. This should ensure
580 * no swapping of stereo channels. Report a bug if otherwise :-) */
581 outb(0x0a, SLIO_REG(chip, AUDIO2MODE));
582 chip->active |= DAC2;
583 break;
584 case SNDRV_PCM_TRIGGER_STOP:
585 case SNDRV_PCM_TRIGGER_SUSPEND:
586 outb(0, SLIO_REG(chip, AUDIO2MODE));
587 snd_es1938_mixer_write(chip, ESSSB_IREG_AUDIO2CONTROL1, 0);
588 chip->active &= ~DAC2;
589 break;
590 default:
591 return -EINVAL;
592 }
593 return 0;
594 }
595
596 static int snd_es1938_playback2_trigger(struct snd_pcm_substream *substream,
597 int cmd)
598 {
599 struct es1938 *chip = snd_pcm_substream_chip(substream);
600 int val;
601 switch (cmd) {
602 case SNDRV_PCM_TRIGGER_START:
603 case SNDRV_PCM_TRIGGER_RESUME:
604 val = 5;
605 chip->active |= DAC1;
606 break;
607 case SNDRV_PCM_TRIGGER_STOP:
608 case SNDRV_PCM_TRIGGER_SUSPEND:
609 val = 0;
610 chip->active &= ~DAC1;
611 break;
612 default:
613 return -EINVAL;
614 }
615 snd_es1938_write(chip, ESS_CMD_DMACONTROL, val);
616 return 0;
617 }
618
619 static int snd_es1938_playback_trigger(struct snd_pcm_substream *substream,
620 int cmd)
621 {
622 switch (substream->number) {
623 case 0:
624 return snd_es1938_playback1_trigger(substream, cmd);
625 case 1:
626 return snd_es1938_playback2_trigger(substream, cmd);
627 }
628 snd_BUG();
629 return -EINVAL;
630 }
631
632 /* --------------------------------------------------------------------
633 * First channel for Extended Mode Audio 1 ADC Operation
634 * --------------------------------------------------------------------*/
635 static int snd_es1938_capture_prepare(struct snd_pcm_substream *substream)
636 {
637 struct es1938 *chip = snd_pcm_substream_chip(substream);
638 struct snd_pcm_runtime *runtime = substream->runtime;
639 int u, is8, mono;
640 unsigned int size = snd_pcm_lib_buffer_bytes(substream);
641 unsigned int count = snd_pcm_lib_period_bytes(substream);
642
643 chip->dma1_size = size;
644 chip->dma1_start = runtime->dma_addr;
645
646 mono = (runtime->channels > 1) ? 0 : 1;
647 is8 = snd_pcm_format_width(runtime->format) == 16 ? 0 : 1;
648 u = snd_pcm_format_unsigned(runtime->format);
649
650 chip->dma1_shift = 2 - mono - is8;
651
652 snd_es1938_reset_fifo(chip);
653
654 /* program type */
655 snd_es1938_bits(chip, ESS_CMD_ANALOGCONTROL, 0x03, (mono ? 2 : 1));
656
657 /* set clock and counters */
658 snd_es1938_rate_set(chip, substream, ADC1);
659
660 count = 0x10000 - count;
661 snd_es1938_write(chip, ESS_CMD_DMACNTRELOADL, count & 0xff);
662 snd_es1938_write(chip, ESS_CMD_DMACNTRELOADH, count >> 8);
663
664 /* initialize and configure ADC */
665 snd_es1938_write(chip, ESS_CMD_SETFORMAT2, u ? 0x51 : 0x71);
666 snd_es1938_write(chip, ESS_CMD_SETFORMAT2, 0x90 |
667 (u ? 0x00 : 0x20) |
668 (is8 ? 0x00 : 0x04) |
669 (mono ? 0x40 : 0x08));
670
671 // snd_es1938_reset_fifo(chip);
672
673 /* 11. configure system interrupt controller and DMA controller */
674 snd_es1938_capture_setdma(chip);
675
676 return 0;
677 }
678
679
680 /* ------------------------------------------------------------------------------
681 * Second Audio channel DAC Operation
682 * ------------------------------------------------------------------------------*/
683 static int snd_es1938_playback1_prepare(struct snd_pcm_substream *substream)
684 {
685 struct es1938 *chip = snd_pcm_substream_chip(substream);
686 struct snd_pcm_runtime *runtime = substream->runtime;
687 int u, is8, mono;
688 unsigned int size = snd_pcm_lib_buffer_bytes(substream);
689 unsigned int count = snd_pcm_lib_period_bytes(substream);
690
691 chip->dma2_size = size;
692 chip->dma2_start = runtime->dma_addr;
693
694 mono = (runtime->channels > 1) ? 0 : 1;
695 is8 = snd_pcm_format_width(runtime->format) == 16 ? 0 : 1;
696 u = snd_pcm_format_unsigned(runtime->format);
697
698 chip->dma2_shift = 2 - mono - is8;
699
700 snd_es1938_reset_fifo(chip);
701
702 /* set clock and counters */
703 snd_es1938_rate_set(chip, substream, DAC2);
704
705 count >>= 1;
706 count = 0x10000 - count;
707 snd_es1938_mixer_write(chip, ESSSB_IREG_AUDIO2TCOUNTL, count & 0xff);
708 snd_es1938_mixer_write(chip, ESSSB_IREG_AUDIO2TCOUNTH, count >> 8);
709
710 /* initialize and configure Audio 2 DAC */
711 snd_es1938_mixer_write(chip, ESSSB_IREG_AUDIO2CONTROL2, 0x40 | (u ? 0 : 4) |
712 (mono ? 0 : 2) | (is8 ? 0 : 1));
713
714 /* program DMA */
715 snd_es1938_playback1_setdma(chip);
716
717 return 0;
718 }
719
720 static int snd_es1938_playback2_prepare(struct snd_pcm_substream *substream)
721 {
722 struct es1938 *chip = snd_pcm_substream_chip(substream);
723 struct snd_pcm_runtime *runtime = substream->runtime;
724 int u, is8, mono;
725 unsigned int size = snd_pcm_lib_buffer_bytes(substream);
726 unsigned int count = snd_pcm_lib_period_bytes(substream);
727
728 chip->dma1_size = size;
729 chip->dma1_start = runtime->dma_addr;
730
731 mono = (runtime->channels > 1) ? 0 : 1;
732 is8 = snd_pcm_format_width(runtime->format) == 16 ? 0 : 1;
733 u = snd_pcm_format_unsigned(runtime->format);
734
735 chip->dma1_shift = 2 - mono - is8;
736
737 count = 0x10000 - count;
738
739 /* reset */
740 snd_es1938_reset_fifo(chip);
741
742 snd_es1938_bits(chip, ESS_CMD_ANALOGCONTROL, 0x03, (mono ? 2 : 1));
743
744 /* set clock and counters */
745 snd_es1938_rate_set(chip, substream, DAC1);
746 snd_es1938_write(chip, ESS_CMD_DMACNTRELOADL, count & 0xff);
747 snd_es1938_write(chip, ESS_CMD_DMACNTRELOADH, count >> 8);
748
749 /* initialized and configure DAC */
750 snd_es1938_write(chip, ESS_CMD_SETFORMAT, u ? 0x80 : 0x00);
751 snd_es1938_write(chip, ESS_CMD_SETFORMAT, u ? 0x51 : 0x71);
752 snd_es1938_write(chip, ESS_CMD_SETFORMAT2,
753 0x90 | (mono ? 0x40 : 0x08) |
754 (is8 ? 0x00 : 0x04) | (u ? 0x00 : 0x20));
755
756 /* program DMA */
757 snd_es1938_playback2_setdma(chip);
758
759 return 0;
760 }
761
762 static int snd_es1938_playback_prepare(struct snd_pcm_substream *substream)
763 {
764 switch (substream->number) {
765 case 0:
766 return snd_es1938_playback1_prepare(substream);
767 case 1:
768 return snd_es1938_playback2_prepare(substream);
769 }
770 snd_BUG();
771 return -EINVAL;
772 }
773
774 /* during the incrementing of dma counters the DMA register reads sometimes
775 returns garbage. To ensure a valid hw pointer, the following checks which
776 should be very unlikely to fail are used:
777 - is the current DMA address in the valid DMA range ?
778 - is the sum of DMA address and DMA counter pointing to the last DMA byte ?
779 One can argue this could differ by one byte depending on which register is
780 updated first, so the implementation below allows for that.
781 */
782 static snd_pcm_uframes_t snd_es1938_capture_pointer(struct snd_pcm_substream *substream)
783 {
784 struct es1938 *chip = snd_pcm_substream_chip(substream);
785 size_t ptr;
786 #if 0
787 size_t old, new;
788 /* This stuff is *needed*, don't ask why - AB */
789 old = inw(SLDM_REG(chip, DMACOUNT));
790 while ((new = inw(SLDM_REG(chip, DMACOUNT))) != old)
791 old = new;
792 ptr = chip->dma1_size - 1 - new;
793 #else
794 size_t count;
795 unsigned int diff;
796
797 ptr = inl(SLDM_REG(chip, DMAADDR));
798 count = inw(SLDM_REG(chip, DMACOUNT));
799 diff = chip->dma1_start + chip->dma1_size - ptr - count;
800
801 if (diff > 3 || ptr < chip->dma1_start
802 || ptr >= chip->dma1_start+chip->dma1_size)
803 ptr = chip->last_capture_dmaaddr; /* bad, use last saved */
804 else
805 chip->last_capture_dmaaddr = ptr; /* good, remember it */
806
807 ptr -= chip->dma1_start;
808 #endif
809 return ptr >> chip->dma1_shift;
810 }
811
812 static snd_pcm_uframes_t snd_es1938_playback1_pointer(struct snd_pcm_substream *substream)
813 {
814 struct es1938 *chip = snd_pcm_substream_chip(substream);
815 size_t ptr;
816 #if 1
817 ptr = chip->dma2_size - inw(SLIO_REG(chip, AUDIO2DMACOUNT));
818 #else
819 ptr = inl(SLIO_REG(chip, AUDIO2DMAADDR)) - chip->dma2_start;
820 #endif
821 return ptr >> chip->dma2_shift;
822 }
823
824 static snd_pcm_uframes_t snd_es1938_playback2_pointer(struct snd_pcm_substream *substream)
825 {
826 struct es1938 *chip = snd_pcm_substream_chip(substream);
827 size_t ptr;
828 size_t old, new;
829 #if 1
830 /* This stuff is *needed*, don't ask why - AB */
831 old = inw(SLDM_REG(chip, DMACOUNT));
832 while ((new = inw(SLDM_REG(chip, DMACOUNT))) != old)
833 old = new;
834 ptr = chip->dma1_size - 1 - new;
835 #else
836 ptr = inl(SLDM_REG(chip, DMAADDR)) - chip->dma1_start;
837 #endif
838 return ptr >> chip->dma1_shift;
839 }
840
841 static snd_pcm_uframes_t snd_es1938_playback_pointer(struct snd_pcm_substream *substream)
842 {
843 switch (substream->number) {
844 case 0:
845 return snd_es1938_playback1_pointer(substream);
846 case 1:
847 return snd_es1938_playback2_pointer(substream);
848 }
849 snd_BUG();
850 return -EINVAL;
851 }
852
853 static int snd_es1938_capture_copy(struct snd_pcm_substream *substream,
854 int channel,
855 snd_pcm_uframes_t pos,
856 void __user *dst,
857 snd_pcm_uframes_t count)
858 {
859 struct snd_pcm_runtime *runtime = substream->runtime;
860 struct es1938 *chip = snd_pcm_substream_chip(substream);
861 pos <<= chip->dma1_shift;
862 count <<= chip->dma1_shift;
863 snd_assert(pos + count <= chip->dma1_size, return -EINVAL);
864 if (pos + count < chip->dma1_size) {
865 if (copy_to_user(dst, runtime->dma_area + pos + 1, count))
866 return -EFAULT;
867 } else {
868 if (copy_to_user(dst, runtime->dma_area + pos + 1, count - 1))
869 return -EFAULT;
870 if (put_user(runtime->dma_area[0], ((unsigned char __user *)dst) + count - 1))
871 return -EFAULT;
872 }
873 return 0;
874 }
875
876 /*
877 * buffer management
878 */
879 static int snd_es1938_pcm_hw_params(struct snd_pcm_substream *substream,
880 struct snd_pcm_hw_params *hw_params)
881
882 {
883 int err;
884
885 if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
886 return err;
887 return 0;
888 }
889
890 static int snd_es1938_pcm_hw_free(struct snd_pcm_substream *substream)
891 {
892 return snd_pcm_lib_free_pages(substream);
893 }
894
895 /* ----------------------------------------------------------------------
896 * Audio1 Capture (ADC)
897 * ----------------------------------------------------------------------*/
898 static struct snd_pcm_hardware snd_es1938_capture =
899 {
900 .info = (SNDRV_PCM_INFO_INTERLEAVED |
901 SNDRV_PCM_INFO_BLOCK_TRANSFER),
902 .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
903 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE),
904 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
905 .rate_min = 6000,
906 .rate_max = 48000,
907 .channels_min = 1,
908 .channels_max = 2,
909 .buffer_bytes_max = 0x8000, /* DMA controller screws on higher values */
910 .period_bytes_min = 64,
911 .period_bytes_max = 0x8000,
912 .periods_min = 1,
913 .periods_max = 1024,
914 .fifo_size = 256,
915 };
916
917 /* -----------------------------------------------------------------------
918 * Audio2 Playback (DAC)
919 * -----------------------------------------------------------------------*/
920 static struct snd_pcm_hardware snd_es1938_playback =
921 {
922 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
923 SNDRV_PCM_INFO_BLOCK_TRANSFER |
924 SNDRV_PCM_INFO_MMAP_VALID),
925 .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
926 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE),
927 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
928 .rate_min = 6000,
929 .rate_max = 48000,
930 .channels_min = 1,
931 .channels_max = 2,
932 .buffer_bytes_max = 0x8000, /* DMA controller screws on higher values */
933 .period_bytes_min = 64,
934 .period_bytes_max = 0x8000,
935 .periods_min = 1,
936 .periods_max = 1024,
937 .fifo_size = 256,
938 };
939
940 static int snd_es1938_capture_open(struct snd_pcm_substream *substream)
941 {
942 struct es1938 *chip = snd_pcm_substream_chip(substream);
943 struct snd_pcm_runtime *runtime = substream->runtime;
944
945 if (chip->playback2_substream)
946 return -EAGAIN;
947 chip->capture_substream = substream;
948 runtime->hw = snd_es1938_capture;
949 snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
950 &hw_constraints_clocks);
951 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 0, 0xff00);
952 return 0;
953 }
954
955 static int snd_es1938_playback_open(struct snd_pcm_substream *substream)
956 {
957 struct es1938 *chip = snd_pcm_substream_chip(substream);
958 struct snd_pcm_runtime *runtime = substream->runtime;
959
960 switch (substream->number) {
961 case 0:
962 chip->playback1_substream = substream;
963 break;
964 case 1:
965 if (chip->capture_substream)
966 return -EAGAIN;
967 chip->playback2_substream = substream;
968 break;
969 default:
970 snd_BUG();
971 return -EINVAL;
972 }
973 runtime->hw = snd_es1938_playback;
974 snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
975 &hw_constraints_clocks);
976 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 0, 0xff00);
977 return 0;
978 }
979
980 static int snd_es1938_capture_close(struct snd_pcm_substream *substream)
981 {
982 struct es1938 *chip = snd_pcm_substream_chip(substream);
983
984 chip->capture_substream = NULL;
985 return 0;
986 }
987
988 static int snd_es1938_playback_close(struct snd_pcm_substream *substream)
989 {
990 struct es1938 *chip = snd_pcm_substream_chip(substream);
991
992 switch (substream->number) {
993 case 0:
994 chip->playback1_substream = NULL;
995 break;
996 case 1:
997 chip->playback2_substream = NULL;
998 break;
999 default:
1000 snd_BUG();
1001 return -EINVAL;
1002 }
1003 return 0;
1004 }
1005
1006 static struct snd_pcm_ops snd_es1938_playback_ops = {
1007 .open = snd_es1938_playback_open,
1008 .close = snd_es1938_playback_close,
1009 .ioctl = snd_pcm_lib_ioctl,
1010 .hw_params = snd_es1938_pcm_hw_params,
1011 .hw_free = snd_es1938_pcm_hw_free,
1012 .prepare = snd_es1938_playback_prepare,
1013 .trigger = snd_es1938_playback_trigger,
1014 .pointer = snd_es1938_playback_pointer,
1015 };
1016
1017 static struct snd_pcm_ops snd_es1938_capture_ops = {
1018 .open = snd_es1938_capture_open,
1019 .close = snd_es1938_capture_close,
1020 .ioctl = snd_pcm_lib_ioctl,
1021 .hw_params = snd_es1938_pcm_hw_params,
1022 .hw_free = snd_es1938_pcm_hw_free,
1023 .prepare = snd_es1938_capture_prepare,
1024 .trigger = snd_es1938_capture_trigger,
1025 .pointer = snd_es1938_capture_pointer,
1026 .copy = snd_es1938_capture_copy,
1027 };
1028
1029 static int __devinit snd_es1938_new_pcm(struct es1938 *chip, int device)
1030 {
1031 struct snd_pcm *pcm;
1032 int err;
1033
1034 if ((err = snd_pcm_new(chip->card, "es-1938-1946", device, 2, 1, &pcm)) < 0)
1035 return err;
1036 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_es1938_playback_ops);
1037 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_es1938_capture_ops);
1038
1039 pcm->private_data = chip;
1040 pcm->info_flags = 0;
1041 strcpy(pcm->name, "ESS Solo-1");
1042
1043 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1044 snd_dma_pci_data(chip->pci), 64*1024, 64*1024);
1045
1046 chip->pcm = pcm;
1047 return 0;
1048 }
1049
1050 /* -------------------------------------------------------------------
1051 *
1052 * *** Mixer part ***
1053 */
1054
1055 static int snd_es1938_info_mux(struct snd_kcontrol *kcontrol,
1056 struct snd_ctl_elem_info *uinfo)
1057 {
1058 static char *texts[8] = {
1059 "Mic", "Mic Master", "CD", "AOUT",
1060 "Mic1", "Mix", "Line", "Master"
1061 };
1062
1063 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1064 uinfo->count = 1;
1065 uinfo->value.enumerated.items = 8;
1066 if (uinfo->value.enumerated.item > 7)
1067 uinfo->value.enumerated.item = 7;
1068 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1069 return 0;
1070 }
1071
1072 static int snd_es1938_get_mux(struct snd_kcontrol *kcontrol,
1073 struct snd_ctl_elem_value *ucontrol)
1074 {
1075 struct es1938 *chip = snd_kcontrol_chip(kcontrol);
1076 ucontrol->value.enumerated.item[0] = snd_es1938_mixer_read(chip, 0x1c) & 0x07;
1077 return 0;
1078 }
1079
1080 static int snd_es1938_put_mux(struct snd_kcontrol *kcontrol,
1081 struct snd_ctl_elem_value *ucontrol)
1082 {
1083 struct es1938 *chip = snd_kcontrol_chip(kcontrol);
1084 unsigned char val = ucontrol->value.enumerated.item[0];
1085
1086 if (val > 7)
1087 return -EINVAL;
1088 return snd_es1938_mixer_bits(chip, 0x1c, 0x07, val) != val;
1089 }
1090
1091 #define snd_es1938_info_spatializer_enable snd_ctl_boolean_mono_info
1092
1093 static int snd_es1938_get_spatializer_enable(struct snd_kcontrol *kcontrol,
1094 struct snd_ctl_elem_value *ucontrol)
1095 {
1096 struct es1938 *chip = snd_kcontrol_chip(kcontrol);
1097 unsigned char val = snd_es1938_mixer_read(chip, 0x50);
1098 ucontrol->value.integer.value[0] = !!(val & 8);
1099 return 0;
1100 }
1101
1102 static int snd_es1938_put_spatializer_enable(struct snd_kcontrol *kcontrol,
1103 struct snd_ctl_elem_value *ucontrol)
1104 {
1105 struct es1938 *chip = snd_kcontrol_chip(kcontrol);
1106 unsigned char oval, nval;
1107 int change;
1108 nval = ucontrol->value.integer.value[0] ? 0x0c : 0x04;
1109 oval = snd_es1938_mixer_read(chip, 0x50) & 0x0c;
1110 change = nval != oval;
1111 if (change) {
1112 snd_es1938_mixer_write(chip, 0x50, nval & ~0x04);
1113 snd_es1938_mixer_write(chip, 0x50, nval);
1114 }
1115 return change;
1116 }
1117
1118 static int snd_es1938_info_hw_volume(struct snd_kcontrol *kcontrol,
1119 struct snd_ctl_elem_info *uinfo)
1120 {
1121 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1122 uinfo->count = 2;
1123 uinfo->value.integer.min = 0;
1124 uinfo->value.integer.max = 63;
1125 return 0;
1126 }
1127
1128 static int snd_es1938_get_hw_volume(struct snd_kcontrol *kcontrol,
1129 struct snd_ctl_elem_value *ucontrol)
1130 {
1131 struct es1938 *chip = snd_kcontrol_chip(kcontrol);
1132 ucontrol->value.integer.value[0] = snd_es1938_mixer_read(chip, 0x61) & 0x3f;
1133 ucontrol->value.integer.value[1] = snd_es1938_mixer_read(chip, 0x63) & 0x3f;
1134 return 0;
1135 }
1136
1137 #define snd_es1938_info_hw_switch snd_ctl_boolean_stereo_info
1138
1139 static int snd_es1938_get_hw_switch(struct snd_kcontrol *kcontrol,
1140 struct snd_ctl_elem_value *ucontrol)
1141 {
1142 struct es1938 *chip = snd_kcontrol_chip(kcontrol);
1143 ucontrol->value.integer.value[0] = !(snd_es1938_mixer_read(chip, 0x61) & 0x40);
1144 ucontrol->value.integer.value[1] = !(snd_es1938_mixer_read(chip, 0x63) & 0x40);
1145 return 0;
1146 }
1147
1148 static void snd_es1938_hwv_free(struct snd_kcontrol *kcontrol)
1149 {
1150 struct es1938 *chip = snd_kcontrol_chip(kcontrol);
1151 chip->master_volume = NULL;
1152 chip->master_switch = NULL;
1153 chip->hw_volume = NULL;
1154 chip->hw_switch = NULL;
1155 }
1156
1157 static int snd_es1938_reg_bits(struct es1938 *chip, unsigned char reg,
1158 unsigned char mask, unsigned char val)
1159 {
1160 if (reg < 0xa0)
1161 return snd_es1938_mixer_bits(chip, reg, mask, val);
1162 else
1163 return snd_es1938_bits(chip, reg, mask, val);
1164 }
1165
1166 static int snd_es1938_reg_read(struct es1938 *chip, unsigned char reg)
1167 {
1168 if (reg < 0xa0)
1169 return snd_es1938_mixer_read(chip, reg);
1170 else
1171 return snd_es1938_read(chip, reg);
1172 }
1173
1174 #define ES1938_SINGLE_TLV(xname, xindex, reg, shift, mask, invert, xtlv) \
1175 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
1176 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ,\
1177 .name = xname, .index = xindex, \
1178 .info = snd_es1938_info_single, \
1179 .get = snd_es1938_get_single, .put = snd_es1938_put_single, \
1180 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24), \
1181 .tlv = { .p = xtlv } }
1182 #define ES1938_SINGLE(xname, xindex, reg, shift, mask, invert) \
1183 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1184 .info = snd_es1938_info_single, \
1185 .get = snd_es1938_get_single, .put = snd_es1938_put_single, \
1186 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
1187
1188 static int snd_es1938_info_single(struct snd_kcontrol *kcontrol,
1189 struct snd_ctl_elem_info *uinfo)
1190 {
1191 int mask = (kcontrol->private_value >> 16) & 0xff;
1192
1193 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
1194 uinfo->count = 1;
1195 uinfo->value.integer.min = 0;
1196 uinfo->value.integer.max = mask;
1197 return 0;
1198 }
1199
1200 static int snd_es1938_get_single(struct snd_kcontrol *kcontrol,
1201 struct snd_ctl_elem_value *ucontrol)
1202 {
1203 struct es1938 *chip = snd_kcontrol_chip(kcontrol);
1204 int reg = kcontrol->private_value & 0xff;
1205 int shift = (kcontrol->private_value >> 8) & 0xff;
1206 int mask = (kcontrol->private_value >> 16) & 0xff;
1207 int invert = (kcontrol->private_value >> 24) & 0xff;
1208 int val;
1209
1210 val = snd_es1938_reg_read(chip, reg);
1211 ucontrol->value.integer.value[0] = (val >> shift) & mask;
1212 if (invert)
1213 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
1214 return 0;
1215 }
1216
1217 static int snd_es1938_put_single(struct snd_kcontrol *kcontrol,
1218 struct snd_ctl_elem_value *ucontrol)
1219 {
1220 struct es1938 *chip = snd_kcontrol_chip(kcontrol);
1221 int reg = kcontrol->private_value & 0xff;
1222 int shift = (kcontrol->private_value >> 8) & 0xff;
1223 int mask = (kcontrol->private_value >> 16) & 0xff;
1224 int invert = (kcontrol->private_value >> 24) & 0xff;
1225 unsigned char val;
1226
1227 val = (ucontrol->value.integer.value[0] & mask);
1228 if (invert)
1229 val = mask - val;
1230 mask <<= shift;
1231 val <<= shift;
1232 return snd_es1938_reg_bits(chip, reg, mask, val) != val;
1233 }
1234
1235 #define ES1938_DOUBLE_TLV(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert, xtlv) \
1236 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
1237 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ,\
1238 .name = xname, .index = xindex, \
1239 .info = snd_es1938_info_double, \
1240 .get = snd_es1938_get_double, .put = snd_es1938_put_double, \
1241 .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22), \
1242 .tlv = { .p = xtlv } }
1243 #define ES1938_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \
1244 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1245 .info = snd_es1938_info_double, \
1246 .get = snd_es1938_get_double, .put = snd_es1938_put_double, \
1247 .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) }
1248
1249 static int snd_es1938_info_double(struct snd_kcontrol *kcontrol,
1250 struct snd_ctl_elem_info *uinfo)
1251 {
1252 int mask = (kcontrol->private_value >> 24) & 0xff;
1253
1254 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
1255 uinfo->count = 2;
1256 uinfo->value.integer.min = 0;
1257 uinfo->value.integer.max = mask;
1258 return 0;
1259 }
1260
1261 static int snd_es1938_get_double(struct snd_kcontrol *kcontrol,
1262 struct snd_ctl_elem_value *ucontrol)
1263 {
1264 struct es1938 *chip = snd_kcontrol_chip(kcontrol);
1265 int left_reg = kcontrol->private_value & 0xff;
1266 int right_reg = (kcontrol->private_value >> 8) & 0xff;
1267 int shift_left = (kcontrol->private_value >> 16) & 0x07;
1268 int shift_right = (kcontrol->private_value >> 19) & 0x07;
1269 int mask = (kcontrol->private_value >> 24) & 0xff;
1270 int invert = (kcontrol->private_value >> 22) & 1;
1271 unsigned char left, right;
1272
1273 left = snd_es1938_reg_read(chip, left_reg);
1274 if (left_reg != right_reg)
1275 right = snd_es1938_reg_read(chip, right_reg);
1276 else
1277 right = left;
1278 ucontrol->value.integer.value[0] = (left >> shift_left) & mask;
1279 ucontrol->value.integer.value[1] = (right >> shift_right) & mask;
1280 if (invert) {
1281 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
1282 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
1283 }
1284 return 0;
1285 }
1286
1287 static int snd_es1938_put_double(struct snd_kcontrol *kcontrol,
1288 struct snd_ctl_elem_value *ucontrol)
1289 {
1290 struct es1938 *chip = snd_kcontrol_chip(kcontrol);
1291 int left_reg = kcontrol->private_value & 0xff;
1292 int right_reg = (kcontrol->private_value >> 8) & 0xff;
1293 int shift_left = (kcontrol->private_value >> 16) & 0x07;
1294 int shift_right = (kcontrol->private_value >> 19) & 0x07;
1295 int mask = (kcontrol->private_value >> 24) & 0xff;
1296 int invert = (kcontrol->private_value >> 22) & 1;
1297 int change;
1298 unsigned char val1, val2, mask1, mask2;
1299
1300 val1 = ucontrol->value.integer.value[0] & mask;
1301 val2 = ucontrol->value.integer.value[1] & mask;
1302 if (invert) {
1303 val1 = mask - val1;
1304 val2 = mask - val2;
1305 }
1306 val1 <<= shift_left;
1307 val2 <<= shift_right;
1308 mask1 = mask << shift_left;
1309 mask2 = mask << shift_right;
1310 if (left_reg != right_reg) {
1311 change = 0;
1312 if (snd_es1938_reg_bits(chip, left_reg, mask1, val1) != val1)
1313 change = 1;
1314 if (snd_es1938_reg_bits(chip, right_reg, mask2, val2) != val2)
1315 change = 1;
1316 } else {
1317 change = (snd_es1938_reg_bits(chip, left_reg, mask1 | mask2,
1318 val1 | val2) != (val1 | val2));
1319 }
1320 return change;
1321 }
1322
1323 static unsigned int db_scale_master[] = {
1324 TLV_DB_RANGE_HEAD(2),
1325 0, 54, TLV_DB_SCALE_ITEM(-3600, 50, 1),
1326 54, 63, TLV_DB_SCALE_ITEM(-900, 100, 0),
1327 };
1328
1329 static unsigned int db_scale_audio1[] = {
1330 TLV_DB_RANGE_HEAD(2),
1331 0, 8, TLV_DB_SCALE_ITEM(-3300, 300, 1),
1332 8, 15, TLV_DB_SCALE_ITEM(-900, 150, 0),
1333 };
1334
1335 static unsigned int db_scale_audio2[] = {
1336 TLV_DB_RANGE_HEAD(2),
1337 0, 8, TLV_DB_SCALE_ITEM(-3450, 300, 1),
1338 8, 15, TLV_DB_SCALE_ITEM(-1050, 150, 0),
1339 };
1340
1341 static unsigned int db_scale_mic[] = {
1342 TLV_DB_RANGE_HEAD(2),
1343 0, 8, TLV_DB_SCALE_ITEM(-2400, 300, 1),
1344 8, 15, TLV_DB_SCALE_ITEM(0, 150, 0),
1345 };
1346
1347 static unsigned int db_scale_line[] = {
1348 TLV_DB_RANGE_HEAD(2),
1349 0, 8, TLV_DB_SCALE_ITEM(-3150, 300, 1),
1350 8, 15, TLV_DB_SCALE_ITEM(-750, 150, 0),
1351 };
1352
1353 static const DECLARE_TLV_DB_SCALE(db_scale_capture, 0, 150, 0);
1354
1355 static struct snd_kcontrol_new snd_es1938_controls[] = {
1356 ES1938_DOUBLE_TLV("Master Playback Volume", 0, 0x60, 0x62, 0, 0, 63, 0,
1357 db_scale_master),
1358 ES1938_DOUBLE("Master Playback Switch", 0, 0x60, 0x62, 6, 6, 1, 1),
1359 {
1360 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1361 .name = "Hardware Master Playback Volume",
1362 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1363 .info = snd_es1938_info_hw_volume,
1364 .get = snd_es1938_get_hw_volume,
1365 },
1366 {
1367 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1368 .access = (SNDRV_CTL_ELEM_ACCESS_READ |
1369 SNDRV_CTL_ELEM_ACCESS_TLV_READ),
1370 .name = "Hardware Master Playback Switch",
1371 .info = snd_es1938_info_hw_switch,
1372 .get = snd_es1938_get_hw_switch,
1373 .tlv = { .p = db_scale_master },
1374 },
1375 ES1938_SINGLE("Hardware Volume Split", 0, 0x64, 7, 1, 0),
1376 ES1938_DOUBLE_TLV("Line Playback Volume", 0, 0x3e, 0x3e, 4, 0, 15, 0,
1377 db_scale_line),
1378 ES1938_DOUBLE("CD Playback Volume", 0, 0x38, 0x38, 4, 0, 15, 0),
1379 ES1938_DOUBLE_TLV("FM Playback Volume", 0, 0x36, 0x36, 4, 0, 15, 0,
1380 db_scale_mic),
1381 ES1938_DOUBLE_TLV("Mono Playback Volume", 0, 0x6d, 0x6d, 4, 0, 15, 0,
1382 db_scale_line),
1383 ES1938_DOUBLE_TLV("Mic Playback Volume", 0, 0x1a, 0x1a, 4, 0, 15, 0,
1384 db_scale_mic),
1385 ES1938_DOUBLE_TLV("Aux Playback Volume", 0, 0x3a, 0x3a, 4, 0, 15, 0,
1386 db_scale_line),
1387 ES1938_DOUBLE_TLV("Capture Volume", 0, 0xb4, 0xb4, 4, 0, 15, 0,
1388 db_scale_capture),
1389 ES1938_SINGLE("PC Speaker Volume", 0, 0x3c, 0, 7, 0),
1390 ES1938_SINGLE("Record Monitor", 0, 0xa8, 3, 1, 0),
1391 ES1938_SINGLE("Capture Switch", 0, 0x1c, 4, 1, 1),
1392 {
1393 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1394 .name = "Capture Source",
1395 .info = snd_es1938_info_mux,
1396 .get = snd_es1938_get_mux,
1397 .put = snd_es1938_put_mux,
1398 },
1399 ES1938_DOUBLE_TLV("Mono Input Playback Volume", 0, 0x6d, 0x6d, 4, 0, 15, 0,
1400 db_scale_line),
1401 ES1938_DOUBLE_TLV("PCM Capture Volume", 0, 0x69, 0x69, 4, 0, 15, 0,
1402 db_scale_audio2),
1403 ES1938_DOUBLE_TLV("Mic Capture Volume", 0, 0x68, 0x68, 4, 0, 15, 0,
1404 db_scale_mic),
1405 ES1938_DOUBLE_TLV("Line Capture Volume", 0, 0x6e, 0x6e, 4, 0, 15, 0,
1406 db_scale_line),
1407 ES1938_DOUBLE_TLV("FM Capture Volume", 0, 0x6b, 0x6b, 4, 0, 15, 0,
1408 db_scale_mic),
1409 ES1938_DOUBLE_TLV("Mono Capture Volume", 0, 0x6f, 0x6f, 4, 0, 15, 0,
1410 db_scale_line),
1411 ES1938_DOUBLE_TLV("CD Capture Volume", 0, 0x6a, 0x6a, 4, 0, 15, 0,
1412 db_scale_line),
1413 ES1938_DOUBLE_TLV("Aux Capture Volume", 0, 0x6c, 0x6c, 4, 0, 15, 0,
1414 db_scale_line),
1415 ES1938_DOUBLE_TLV("PCM Playback Volume", 0, 0x7c, 0x7c, 4, 0, 15, 0,
1416 db_scale_audio2),
1417 ES1938_DOUBLE_TLV("PCM Playback Volume", 1, 0x14, 0x14, 4, 0, 15, 0,
1418 db_scale_audio1),
1419 ES1938_SINGLE("3D Control - Level", 0, 0x52, 0, 63, 0),
1420 {
1421 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1422 .name = "3D Control - Switch",
1423 .info = snd_es1938_info_spatializer_enable,
1424 .get = snd_es1938_get_spatializer_enable,
1425 .put = snd_es1938_put_spatializer_enable,
1426 },
1427 ES1938_SINGLE("Mic Boost (+26dB)", 0, 0x7d, 3, 1, 0)
1428 };
1429
1430
1431 /* ---------------------------------------------------------------------------- */
1432 /* ---------------------------------------------------------------------------- */
1433
1434 /*
1435 * initialize the chip - used by resume callback, too
1436 */
1437 static void snd_es1938_chip_init(struct es1938 *chip)
1438 {
1439 /* reset chip */
1440 snd_es1938_reset(chip);
1441
1442 /* configure native mode */
1443
1444 /* enable bus master */
1445 pci_set_master(chip->pci);
1446
1447 /* disable legacy audio */
1448 pci_write_config_word(chip->pci, SL_PCI_LEGACYCONTROL, 0x805f);
1449
1450 /* set DDMA base */
1451 pci_write_config_word(chip->pci, SL_PCI_DDMACONTROL, chip->ddma_port | 1);
1452
1453 /* set DMA/IRQ policy */
1454 pci_write_config_dword(chip->pci, SL_PCI_CONFIG, 0);
1455
1456 /* enable Audio 1, Audio 2, MPU401 IRQ and HW volume IRQ*/
1457 outb(0xf0, SLIO_REG(chip, IRQCONTROL));
1458
1459 /* reset DMA */
1460 outb(0, SLDM_REG(chip, DMACLEAR));
1461 }
1462
1463 #ifdef CONFIG_PM
1464 /*
1465 * PM support
1466 */
1467
1468 static unsigned char saved_regs[SAVED_REG_SIZE+1] = {
1469 0x14, 0x1a, 0x1c, 0x3a, 0x3c, 0x3e, 0x36, 0x38,
1470 0x50, 0x52, 0x60, 0x61, 0x62, 0x63, 0x64, 0x68,
1471 0x69, 0x6a, 0x6b, 0x6d, 0x6e, 0x6f, 0x7c, 0x7d,
1472 0xa8, 0xb4,
1473 };
1474
1475
1476 static int es1938_suspend(struct pci_dev *pci, pm_message_t state)
1477 {
1478 struct snd_card *card = pci_get_drvdata(pci);
1479 struct es1938 *chip = card->private_data;
1480 unsigned char *s, *d;
1481
1482 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1483 snd_pcm_suspend_all(chip->pcm);
1484
1485 /* save mixer-related registers */
1486 for (s = saved_regs, d = chip->saved_regs; *s; s++, d++)
1487 *d = snd_es1938_reg_read(chip, *s);
1488
1489 outb(0x00, SLIO_REG(chip, IRQCONTROL)); /* disable irqs */
1490 if (chip->irq >= 0) {
1491 free_irq(chip->irq, chip);
1492 chip->irq = -1;
1493 }
1494 pci_disable_device(pci);
1495 pci_save_state(pci);
1496 pci_set_power_state(pci, pci_choose_state(pci, state));
1497 return 0;
1498 }
1499
1500 static int es1938_resume(struct pci_dev *pci)
1501 {
1502 struct snd_card *card = pci_get_drvdata(pci);
1503 struct es1938 *chip = card->private_data;
1504 unsigned char *s, *d;
1505
1506 pci_set_power_state(pci, PCI_D0);
1507 pci_restore_state(pci);
1508 if (pci_enable_device(pci) < 0) {
1509 printk(KERN_ERR "es1938: pci_enable_device failed, "
1510 "disabling device\n");
1511 snd_card_disconnect(card);
1512 return -EIO;
1513 }
1514
1515 if (request_irq(pci->irq, snd_es1938_interrupt,
1516 IRQF_SHARED, "ES1938", chip)) {
1517 printk(KERN_ERR "es1938: unable to grab IRQ %d, "
1518 "disabling device\n", pci->irq);
1519 snd_card_disconnect(card);
1520 return -EIO;
1521 }
1522 chip->irq = pci->irq;
1523 snd_es1938_chip_init(chip);
1524
1525 /* restore mixer-related registers */
1526 for (s = saved_regs, d = chip->saved_regs; *s; s++, d++) {
1527 if (*s < 0xa0)
1528 snd_es1938_mixer_write(chip, *s, *d);
1529 else
1530 snd_es1938_write(chip, *s, *d);
1531 }
1532
1533 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1534 return 0;
1535 }
1536 #endif /* CONFIG_PM */
1537
1538 #ifdef SUPPORT_JOYSTICK
1539 static int __devinit snd_es1938_create_gameport(struct es1938 *chip)
1540 {
1541 struct gameport *gp;
1542
1543 chip->gameport = gp = gameport_allocate_port();
1544 if (!gp) {
1545 printk(KERN_ERR "es1938: cannot allocate memory for gameport\n");
1546 return -ENOMEM;
1547 }
1548
1549 gameport_set_name(gp, "ES1938");
1550 gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci));
1551 gameport_set_dev_parent(gp, &chip->pci->dev);
1552 gp->io = chip->game_port;
1553
1554 gameport_register_port(gp);
1555
1556 return 0;
1557 }
1558
1559 static void snd_es1938_free_gameport(struct es1938 *chip)
1560 {
1561 if (chip->gameport) {
1562 gameport_unregister_port(chip->gameport);
1563 chip->gameport = NULL;
1564 }
1565 }
1566 #else
1567 static inline int snd_es1938_create_gameport(struct es1938 *chip) { return -ENOSYS; }
1568 static inline void snd_es1938_free_gameport(struct es1938 *chip) { }
1569 #endif /* SUPPORT_JOYSTICK */
1570
1571 static int snd_es1938_free(struct es1938 *chip)
1572 {
1573 /* disable irqs */
1574 outb(0x00, SLIO_REG(chip, IRQCONTROL));
1575 if (chip->rmidi)
1576 snd_es1938_mixer_bits(chip, ESSSB_IREG_MPU401CONTROL, 0x40, 0);
1577
1578 snd_es1938_free_gameport(chip);
1579
1580 if (chip->irq >= 0)
1581 free_irq(chip->irq, chip);
1582 pci_release_regions(chip->pci);
1583 pci_disable_device(chip->pci);
1584 kfree(chip);
1585 return 0;
1586 }
1587
1588 static int snd_es1938_dev_free(struct snd_device *device)
1589 {
1590 struct es1938 *chip = device->device_data;
1591 return snd_es1938_free(chip);
1592 }
1593
1594 static int __devinit snd_es1938_create(struct snd_card *card,
1595 struct pci_dev * pci,
1596 struct es1938 ** rchip)
1597 {
1598 struct es1938 *chip;
1599 int err;
1600 static struct snd_device_ops ops = {
1601 .dev_free = snd_es1938_dev_free,
1602 };
1603
1604 *rchip = NULL;
1605
1606 /* enable PCI device */
1607 if ((err = pci_enable_device(pci)) < 0)
1608 return err;
1609 /* check, if we can restrict PCI DMA transfers to 24 bits */
1610 if (pci_set_dma_mask(pci, DMA_24BIT_MASK) < 0 ||
1611 pci_set_consistent_dma_mask(pci, DMA_24BIT_MASK) < 0) {
1612 snd_printk(KERN_ERR "architecture does not support 24bit PCI busmaster DMA\n");
1613 pci_disable_device(pci);
1614 return -ENXIO;
1615 }
1616
1617 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
1618 if (chip == NULL) {
1619 pci_disable_device(pci);
1620 return -ENOMEM;
1621 }
1622 spin_lock_init(&chip->reg_lock);
1623 spin_lock_init(&chip->mixer_lock);
1624 chip->card = card;
1625 chip->pci = pci;
1626 chip->irq = -1;
1627 if ((err = pci_request_regions(pci, "ESS Solo-1")) < 0) {
1628 kfree(chip);
1629 pci_disable_device(pci);
1630 return err;
1631 }
1632 chip->io_port = pci_resource_start(pci, 0);
1633 chip->sb_port = pci_resource_start(pci, 1);
1634 chip->vc_port = pci_resource_start(pci, 2);
1635 chip->mpu_port = pci_resource_start(pci, 3);
1636 chip->game_port = pci_resource_start(pci, 4);
1637 if (request_irq(pci->irq, snd_es1938_interrupt, IRQF_SHARED,
1638 "ES1938", chip)) {
1639 snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
1640 snd_es1938_free(chip);
1641 return -EBUSY;
1642 }
1643 chip->irq = pci->irq;
1644 #ifdef ES1938_DDEBUG
1645 snd_printk(KERN_DEBUG "create: io: 0x%lx, sb: 0x%lx, vc: 0x%lx, mpu: 0x%lx, game: 0x%lx\n",
1646 chip->io_port, chip->sb_port, chip->vc_port, chip->mpu_port, chip->game_port);
1647 #endif
1648
1649 chip->ddma_port = chip->vc_port + 0x00; /* fix from Thomas Sailer */
1650
1651 snd_es1938_chip_init(chip);
1652
1653 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1654 snd_es1938_free(chip);
1655 return err;
1656 }
1657
1658 snd_card_set_dev(card, &pci->dev);
1659
1660 *rchip = chip;
1661 return 0;
1662 }
1663
1664 /* --------------------------------------------------------------------
1665 * Interrupt handler
1666 * -------------------------------------------------------------------- */
1667 static irqreturn_t snd_es1938_interrupt(int irq, void *dev_id)
1668 {
1669 struct es1938 *chip = dev_id;
1670 unsigned char status, audiostatus;
1671 int handled = 0;
1672
1673 status = inb(SLIO_REG(chip, IRQCONTROL));
1674 #if 0
1675 printk("Es1938debug - interrupt status: =0x%x\n", status);
1676 #endif
1677
1678 /* AUDIO 1 */
1679 if (status & 0x10) {
1680 #if 0
1681 printk("Es1938debug - AUDIO channel 1 interrupt\n");
1682 printk("Es1938debug - AUDIO channel 1 DMAC DMA count: %u\n",
1683 inw(SLDM_REG(chip, DMACOUNT)));
1684 printk("Es1938debug - AUDIO channel 1 DMAC DMA base: %u\n",
1685 inl(SLDM_REG(chip, DMAADDR)));
1686 printk("Es1938debug - AUDIO channel 1 DMAC DMA status: 0x%x\n",
1687 inl(SLDM_REG(chip, DMASTATUS)));
1688 #endif
1689 /* clear irq */
1690 handled = 1;
1691 audiostatus = inb(SLSB_REG(chip, STATUS));
1692 if (chip->active & ADC1)
1693 snd_pcm_period_elapsed(chip->capture_substream);
1694 else if (chip->active & DAC1)
1695 snd_pcm_period_elapsed(chip->playback2_substream);
1696 }
1697
1698 /* AUDIO 2 */
1699 if (status & 0x20) {
1700 #if 0
1701 printk("Es1938debug - AUDIO channel 2 interrupt\n");
1702 printk("Es1938debug - AUDIO channel 2 DMAC DMA count: %u\n",
1703 inw(SLIO_REG(chip, AUDIO2DMACOUNT)));
1704 printk("Es1938debug - AUDIO channel 2 DMAC DMA base: %u\n",
1705 inl(SLIO_REG(chip, AUDIO2DMAADDR)));
1706
1707 #endif
1708 /* clear irq */
1709 handled = 1;
1710 snd_es1938_mixer_bits(chip, ESSSB_IREG_AUDIO2CONTROL2, 0x80, 0);
1711 if (chip->active & DAC2)
1712 snd_pcm_period_elapsed(chip->playback1_substream);
1713 }
1714
1715 /* Hardware volume */
1716 if (status & 0x40) {
1717 int split = snd_es1938_mixer_read(chip, 0x64) & 0x80;
1718 handled = 1;
1719 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, &chip->hw_switch->id);
1720 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, &chip->hw_volume->id);
1721 if (!split) {
1722 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1723 &chip->master_switch->id);
1724 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1725 &chip->master_volume->id);
1726 }
1727 /* ack interrupt */
1728 snd_es1938_mixer_write(chip, 0x66, 0x00);
1729 }
1730
1731 /* MPU401 */
1732 if (status & 0x80) {
1733 // the following line is evil! It switches off MIDI interrupt handling after the first interrupt received.
1734 // replacing the last 0 by 0x40 works for ESS-Solo1, but just doing nothing works as well!
1735 // andreas@flying-snail.de
1736 // snd_es1938_mixer_bits(chip, ESSSB_IREG_MPU401CONTROL, 0x40, 0); /* ack? */
1737 if (chip->rmidi) {
1738 handled = 1;
1739 snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data);
1740 }
1741 }
1742 return IRQ_RETVAL(handled);
1743 }
1744
1745 #define ES1938_DMA_SIZE 64
1746
1747 static int __devinit snd_es1938_mixer(struct es1938 *chip)
1748 {
1749 struct snd_card *card;
1750 unsigned int idx;
1751 int err;
1752
1753 card = chip->card;
1754
1755 strcpy(card->mixername, "ESS Solo-1");
1756
1757 for (idx = 0; idx < ARRAY_SIZE(snd_es1938_controls); idx++) {
1758 struct snd_kcontrol *kctl;
1759 kctl = snd_ctl_new1(&snd_es1938_controls[idx], chip);
1760 switch (idx) {
1761 case 0:
1762 chip->master_volume = kctl;
1763 kctl->private_free = snd_es1938_hwv_free;
1764 break;
1765 case 1:
1766 chip->master_switch = kctl;
1767 kctl->private_free = snd_es1938_hwv_free;
1768 break;
1769 case 2:
1770 chip->hw_volume = kctl;
1771 kctl->private_free = snd_es1938_hwv_free;
1772 break;
1773 case 3:
1774 chip->hw_switch = kctl;
1775 kctl->private_free = snd_es1938_hwv_free;
1776 break;
1777 }
1778 if ((err = snd_ctl_add(card, kctl)) < 0)
1779 return err;
1780 }
1781 return 0;
1782 }
1783
1784
1785 static int __devinit snd_es1938_probe(struct pci_dev *pci,
1786 const struct pci_device_id *pci_id)
1787 {
1788 static int dev;
1789 struct snd_card *card;
1790 struct es1938 *chip;
1791 struct snd_opl3 *opl3;
1792 int idx, err;
1793
1794 if (dev >= SNDRV_CARDS)
1795 return -ENODEV;
1796 if (!enable[dev]) {
1797 dev++;
1798 return -ENOENT;
1799 }
1800
1801 card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
1802 if (card == NULL)
1803 return -ENOMEM;
1804 for (idx = 0; idx < 5; idx++) {
1805 if (pci_resource_start(pci, idx) == 0 ||
1806 !(pci_resource_flags(pci, idx) & IORESOURCE_IO)) {
1807 snd_card_free(card);
1808 return -ENODEV;
1809 }
1810 }
1811 if ((err = snd_es1938_create(card, pci, &chip)) < 0) {
1812 snd_card_free(card);
1813 return err;
1814 }
1815 card->private_data = chip;
1816
1817 strcpy(card->driver, "ES1938");
1818 strcpy(card->shortname, "ESS ES1938 (Solo-1)");
1819 sprintf(card->longname, "%s rev %i, irq %i",
1820 card->shortname,
1821 chip->revision,
1822 chip->irq);
1823
1824 if ((err = snd_es1938_new_pcm(chip, 0)) < 0) {
1825 snd_card_free(card);
1826 return err;
1827 }
1828 if ((err = snd_es1938_mixer(chip)) < 0) {
1829 snd_card_free(card);
1830 return err;
1831 }
1832 if (snd_opl3_create(card,
1833 SLSB_REG(chip, FMLOWADDR),
1834 SLSB_REG(chip, FMHIGHADDR),
1835 OPL3_HW_OPL3, 1, &opl3) < 0) {
1836 printk(KERN_ERR "es1938: OPL3 not detected at 0x%lx\n",
1837 SLSB_REG(chip, FMLOWADDR));
1838 } else {
1839 if ((err = snd_opl3_timer_new(opl3, 0, 1)) < 0) {
1840 snd_card_free(card);
1841 return err;
1842 }
1843 if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
1844 snd_card_free(card);
1845 return err;
1846 }
1847 }
1848 if (snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401,
1849 chip->mpu_port, MPU401_INFO_INTEGRATED,
1850 chip->irq, 0, &chip->rmidi) < 0) {
1851 printk(KERN_ERR "es1938: unable to initialize MPU-401\n");
1852 } else {
1853 // this line is vital for MIDI interrupt handling on ess-solo1
1854 // andreas@flying-snail.de
1855 snd_es1938_mixer_bits(chip, ESSSB_IREG_MPU401CONTROL, 0x40, 0x40);
1856 }
1857
1858 snd_es1938_create_gameport(chip);
1859
1860 if ((err = snd_card_register(card)) < 0) {
1861 snd_card_free(card);
1862 return err;
1863 }
1864
1865 pci_set_drvdata(pci, card);
1866 dev++;
1867 return 0;
1868 }
1869
1870 static void __devexit snd_es1938_remove(struct pci_dev *pci)
1871 {
1872 snd_card_free(pci_get_drvdata(pci));
1873 pci_set_drvdata(pci, NULL);
1874 }
1875
1876 static struct pci_driver driver = {
1877 .name = "ESS ES1938 (Solo-1)",
1878 .id_table = snd_es1938_ids,
1879 .probe = snd_es1938_probe,
1880 .remove = __devexit_p(snd_es1938_remove),
1881 #ifdef CONFIG_PM
1882 .suspend = es1938_suspend,
1883 .resume = es1938_resume,
1884 #endif
1885 };
1886
1887 static int __init alsa_card_es1938_init(void)
1888 {
1889 return pci_register_driver(&driver);
1890 }
1891
1892 static void __exit alsa_card_es1938_exit(void)
1893 {
1894 pci_unregister_driver(&driver);
1895 }
1896
1897 module_init(alsa_card_es1938_init)
1898 module_exit(alsa_card_es1938_exit)
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