2 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
3 * Routines for control of ESS ES1688/688/488 chip
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include <linux/init.h>
23 #include <linux/interrupt.h>
24 #include <linux/delay.h>
25 #include <linux/slab.h>
26 #include <linux/ioport.h>
27 #include <linux/module.h>
29 #include <sound/core.h>
30 #include <sound/es1688.h>
31 #include <sound/initval.h>
35 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
36 MODULE_DESCRIPTION("ESS ESx688 lowlevel module");
37 MODULE_LICENSE("GPL");
39 static int snd_es1688_dsp_command(struct snd_es1688 *chip, unsigned char val)
43 for (i = 10000; i; i--)
44 if ((inb(ES1688P(chip, STATUS)) & 0x80) == 0) {
45 outb(val, ES1688P(chip, COMMAND));
48 #ifdef CONFIG_SND_DEBUG
49 printk(KERN_DEBUG "snd_es1688_dsp_command: timeout (0x%x)\n", val);
54 static int snd_es1688_dsp_get_byte(struct snd_es1688 *chip)
58 for (i = 1000; i; i--)
59 if (inb(ES1688P(chip, DATA_AVAIL)) & 0x80)
60 return inb(ES1688P(chip, READ));
61 snd_printd("es1688 get byte failed: 0x%lx = 0x%x!!!\n", ES1688P(chip, DATA_AVAIL), inb(ES1688P(chip, DATA_AVAIL)));
65 static int snd_es1688_write(struct snd_es1688 *chip,
66 unsigned char reg, unsigned char data)
68 if (!snd_es1688_dsp_command(chip, reg))
70 return snd_es1688_dsp_command(chip, data);
73 static int snd_es1688_read(struct snd_es1688 *chip, unsigned char reg)
75 /* Read a byte from an extended mode register of ES1688 */
76 if (!snd_es1688_dsp_command(chip, 0xc0))
78 if (!snd_es1688_dsp_command(chip, reg))
80 return snd_es1688_dsp_get_byte(chip);
83 void snd_es1688_mixer_write(struct snd_es1688 *chip,
84 unsigned char reg, unsigned char data)
86 outb(reg, ES1688P(chip, MIXER_ADDR));
88 outb(data, ES1688P(chip, MIXER_DATA));
92 static unsigned char snd_es1688_mixer_read(struct snd_es1688 *chip, unsigned char reg)
96 outb(reg, ES1688P(chip, MIXER_ADDR));
98 result = inb(ES1688P(chip, MIXER_DATA));
103 int snd_es1688_reset(struct snd_es1688 *chip)
107 outb(3, ES1688P(chip, RESET)); /* valid only for ESS chips, SB -> 1 */
109 outb(0, ES1688P(chip, RESET));
111 for (i = 0; i < 1000 && !(inb(ES1688P(chip, DATA_AVAIL)) & 0x80); i++);
112 if (inb(ES1688P(chip, READ)) != 0xaa) {
113 snd_printd("ess_reset at 0x%lx: failed!!!\n", chip->port);
116 snd_es1688_dsp_command(chip, 0xc6); /* enable extended mode */
119 EXPORT_SYMBOL(snd_es1688_reset);
121 static int snd_es1688_probe(struct snd_es1688 *chip)
124 unsigned short major, minor, hw;
128 * initialization sequence
131 spin_lock_irqsave(&chip->reg_lock, flags); /* Some ESS1688 cards need this */
132 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */
133 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */
134 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */
135 inb(ES1688P(chip, ENABLE2)); /* ENABLE2 */
136 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */
137 inb(ES1688P(chip, ENABLE2)); /* ENABLE2 */
138 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */
139 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */
140 inb(ES1688P(chip, ENABLE2)); /* ENABLE2 */
141 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */
142 inb(ES1688P(chip, ENABLE0)); /* ENABLE0 */
144 if (snd_es1688_reset(chip) < 0) {
145 snd_printdd("ESS: [0x%lx] reset failed... 0x%x\n", chip->port, inb(ES1688P(chip, READ)));
146 spin_unlock_irqrestore(&chip->reg_lock, flags);
149 snd_es1688_dsp_command(chip, 0xe7); /* return identification */
151 for (i = 1000, major = minor = 0; i; i--) {
152 if (inb(ES1688P(chip, DATA_AVAIL)) & 0x80) {
154 major = inb(ES1688P(chip, READ));
156 minor = inb(ES1688P(chip, READ));
161 spin_unlock_irqrestore(&chip->reg_lock, flags);
163 snd_printdd("ESS: [0x%lx] found.. major = 0x%x, minor = 0x%x\n", chip->port, major, minor);
165 chip->version = (major << 8) | minor;
167 return -ENODEV; /* probably SB */
170 switch (chip->version & 0xfff0) {
172 snd_printk(KERN_ERR "[0x%lx] ESS: AudioDrive ES488 detected, "
173 "but driver is in another place\n", chip->port);
176 hw = (chip->version & 0x0f) >= 8 ? ES1688_HW_1688 : ES1688_HW_688;
179 snd_printk(KERN_ERR "[0x%lx] ESS: unknown AudioDrive chip "
180 "with version 0x%x (Jazz16 soundcard?)\n",
181 chip->port, chip->version);
185 spin_lock_irqsave(&chip->reg_lock, flags);
186 snd_es1688_write(chip, 0xb1, 0x10); /* disable IRQ */
187 snd_es1688_write(chip, 0xb2, 0x00); /* disable DMA */
188 spin_unlock_irqrestore(&chip->reg_lock, flags);
190 /* enable joystick, but disable OPL3 */
191 spin_lock_irqsave(&chip->mixer_lock, flags);
192 snd_es1688_mixer_write(chip, 0x40, 0x01);
193 spin_unlock_irqrestore(&chip->mixer_lock, flags);
198 static int snd_es1688_init(struct snd_es1688 * chip, int enable)
200 static int irqs[16] = {-1, -1, 0, -1, -1, 1, -1, 2, -1, 0, 3, -1, -1, -1, -1, -1};
202 int cfg, irq_bits, dma, dma_bits, tmp, tmp1;
204 /* ok.. setup MPU-401 port and joystick and OPL3 */
205 cfg = 0x01; /* enable joystick, but disable OPL3 */
206 if (enable && chip->mpu_port >= 0x300 && chip->mpu_irq > 0 && chip->hardware != ES1688_HW_688) {
207 tmp = (chip->mpu_port & 0x0f0) >> 4;
209 switch (chip->mpu_irq) {
226 cfg |= (tmp << 3) | (tmp1 << 5);
231 snd_printk(KERN_DEBUG "mpu cfg = 0x%x\n", cfg);
233 spin_lock_irqsave(&chip->reg_lock, flags);
234 snd_es1688_mixer_write(chip, 0x40, cfg);
235 spin_unlock_irqrestore(&chip->reg_lock, flags);
237 spin_lock_irqsave(&chip->reg_lock, flags);
238 snd_es1688_read(chip, 0xb1);
239 snd_es1688_read(chip, 0xb2);
240 spin_unlock_irqrestore(&chip->reg_lock, flags);
242 cfg = 0xf0; /* enable only DMA counter interrupt */
243 irq_bits = irqs[chip->irq & 0x0f];
245 snd_printk(KERN_ERR "[0x%lx] ESS: bad IRQ %d "
246 "for ES1688 chip!!\n",
247 chip->port, chip->irq);
254 spin_lock_irqsave(&chip->reg_lock, flags);
255 snd_es1688_write(chip, 0xb1, cfg | (irq_bits << 2));
256 spin_unlock_irqrestore(&chip->reg_lock, flags);
257 cfg = 0xf0; /* extended mode DMA enable */
259 if (dma > 3 || dma == 2) {
260 snd_printk(KERN_ERR "[0x%lx] ESS: bad DMA channel %d "
261 "for ES1688 chip!!\n", chip->port, dma);
264 cfg = 0x00; /* disable all DMA */
272 spin_lock_irqsave(&chip->reg_lock, flags);
273 snd_es1688_write(chip, 0xb2, cfg | (dma_bits << 2));
274 spin_unlock_irqrestore(&chip->reg_lock, flags);
276 spin_lock_irqsave(&chip->reg_lock, flags);
277 snd_es1688_write(chip, 0xb1, 0x10); /* disable IRQ */
278 snd_es1688_write(chip, 0xb2, 0x00); /* disable DMA */
279 spin_unlock_irqrestore(&chip->reg_lock, flags);
281 spin_lock_irqsave(&chip->reg_lock, flags);
282 snd_es1688_read(chip, 0xb1);
283 snd_es1688_read(chip, 0xb2);
284 snd_es1688_reset(chip);
285 spin_unlock_irqrestore(&chip->reg_lock, flags);
293 static struct snd_ratnum clocks[2] = {
308 static struct snd_pcm_hw_constraint_ratnums hw_constraints_clocks = {
313 static void snd_es1688_set_rate(struct snd_es1688 *chip, struct snd_pcm_substream *substream)
315 struct snd_pcm_runtime *runtime = substream->runtime;
316 unsigned int bits, divider;
318 if (runtime->rate_num == clocks[0].num)
319 bits = 256 - runtime->rate_den;
321 bits = 128 - runtime->rate_den;
322 /* set filter register */
323 divider = 256 - 7160000*20/(8*82*runtime->rate);
324 /* write result to hardware */
325 snd_es1688_write(chip, 0xa1, bits);
326 snd_es1688_write(chip, 0xa2, divider);
329 static int snd_es1688_ioctl(struct snd_pcm_substream *substream,
330 unsigned int cmd, void *arg)
332 return snd_pcm_lib_ioctl(substream, cmd, arg);
335 static int snd_es1688_trigger(struct snd_es1688 *chip, int cmd, unsigned char value)
339 if (cmd == SNDRV_PCM_TRIGGER_STOP) {
341 } else if (cmd != SNDRV_PCM_TRIGGER_START) {
344 spin_lock(&chip->reg_lock);
345 chip->trigger_value = value;
346 val = snd_es1688_read(chip, 0xb8);
347 if ((val < 0) || (val & 0x0f) == value) {
348 spin_unlock(&chip->reg_lock);
349 return -EINVAL; /* something is wrong */
352 printk(KERN_DEBUG "trigger: val = 0x%x, value = 0x%x\n", val, value);
353 printk(KERN_DEBUG "trigger: pointer = 0x%x\n",
354 snd_dma_pointer(chip->dma8, chip->dma_size));
356 snd_es1688_write(chip, 0xb8, (val & 0xf0) | value);
357 spin_unlock(&chip->reg_lock);
361 static int snd_es1688_hw_params(struct snd_pcm_substream *substream,
362 struct snd_pcm_hw_params *hw_params)
364 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
367 static int snd_es1688_hw_free(struct snd_pcm_substream *substream)
369 return snd_pcm_lib_free_pages(substream);
372 static int snd_es1688_playback_prepare(struct snd_pcm_substream *substream)
375 struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
376 struct snd_pcm_runtime *runtime = substream->runtime;
377 unsigned int size = snd_pcm_lib_buffer_bytes(substream);
378 unsigned int count = snd_pcm_lib_period_bytes(substream);
380 chip->dma_size = size;
381 spin_lock_irqsave(&chip->reg_lock, flags);
382 snd_es1688_reset(chip);
383 snd_es1688_set_rate(chip, substream);
384 snd_es1688_write(chip, 0xb8, 4); /* auto init DMA mode */
385 snd_es1688_write(chip, 0xa8, (snd_es1688_read(chip, 0xa8) & ~0x03) | (3 - runtime->channels));
386 snd_es1688_write(chip, 0xb9, 2); /* demand mode (4 bytes/request) */
387 if (runtime->channels == 1) {
388 if (snd_pcm_format_width(runtime->format) == 8) {
390 snd_es1688_write(chip, 0xb6, 0x80);
391 snd_es1688_write(chip, 0xb7, 0x51);
392 snd_es1688_write(chip, 0xb7, 0xd0);
395 snd_es1688_write(chip, 0xb6, 0x00);
396 snd_es1688_write(chip, 0xb7, 0x71);
397 snd_es1688_write(chip, 0xb7, 0xf4);
400 if (snd_pcm_format_width(runtime->format) == 8) {
402 snd_es1688_write(chip, 0xb6, 0x80);
403 snd_es1688_write(chip, 0xb7, 0x51);
404 snd_es1688_write(chip, 0xb7, 0x98);
407 snd_es1688_write(chip, 0xb6, 0x00);
408 snd_es1688_write(chip, 0xb7, 0x71);
409 snd_es1688_write(chip, 0xb7, 0xbc);
412 snd_es1688_write(chip, 0xb1, (snd_es1688_read(chip, 0xb1) & 0x0f) | 0x50);
413 snd_es1688_write(chip, 0xb2, (snd_es1688_read(chip, 0xb2) & 0x0f) | 0x50);
414 snd_es1688_dsp_command(chip, ES1688_DSP_CMD_SPKON);
415 spin_unlock_irqrestore(&chip->reg_lock, flags);
418 snd_dma_program(chip->dma8, runtime->dma_addr, size, DMA_MODE_WRITE | DMA_AUTOINIT);
419 spin_lock_irqsave(&chip->reg_lock, flags);
420 snd_es1688_write(chip, 0xa4, (unsigned char) count);
421 snd_es1688_write(chip, 0xa5, (unsigned char) (count >> 8));
422 spin_unlock_irqrestore(&chip->reg_lock, flags);
426 static int snd_es1688_playback_trigger(struct snd_pcm_substream *substream,
429 struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
430 return snd_es1688_trigger(chip, cmd, 0x05);
433 static int snd_es1688_capture_prepare(struct snd_pcm_substream *substream)
436 struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
437 struct snd_pcm_runtime *runtime = substream->runtime;
438 unsigned int size = snd_pcm_lib_buffer_bytes(substream);
439 unsigned int count = snd_pcm_lib_period_bytes(substream);
441 chip->dma_size = size;
442 spin_lock_irqsave(&chip->reg_lock, flags);
443 snd_es1688_reset(chip);
444 snd_es1688_set_rate(chip, substream);
445 snd_es1688_dsp_command(chip, ES1688_DSP_CMD_SPKOFF);
446 snd_es1688_write(chip, 0xb8, 0x0e); /* auto init DMA mode */
447 snd_es1688_write(chip, 0xa8, (snd_es1688_read(chip, 0xa8) & ~0x03) | (3 - runtime->channels));
448 snd_es1688_write(chip, 0xb9, 2); /* demand mode (4 bytes/request) */
449 if (runtime->channels == 1) {
450 if (snd_pcm_format_width(runtime->format) == 8) {
452 snd_es1688_write(chip, 0xb7, 0x51);
453 snd_es1688_write(chip, 0xb7, 0xd0);
456 snd_es1688_write(chip, 0xb7, 0x71);
457 snd_es1688_write(chip, 0xb7, 0xf4);
460 if (snd_pcm_format_width(runtime->format) == 8) {
462 snd_es1688_write(chip, 0xb7, 0x51);
463 snd_es1688_write(chip, 0xb7, 0x98);
466 snd_es1688_write(chip, 0xb7, 0x71);
467 snd_es1688_write(chip, 0xb7, 0xbc);
470 snd_es1688_write(chip, 0xb1, (snd_es1688_read(chip, 0xb1) & 0x0f) | 0x50);
471 snd_es1688_write(chip, 0xb2, (snd_es1688_read(chip, 0xb2) & 0x0f) | 0x50);
472 spin_unlock_irqrestore(&chip->reg_lock, flags);
475 snd_dma_program(chip->dma8, runtime->dma_addr, size, DMA_MODE_READ | DMA_AUTOINIT);
476 spin_lock_irqsave(&chip->reg_lock, flags);
477 snd_es1688_write(chip, 0xa4, (unsigned char) count);
478 snd_es1688_write(chip, 0xa5, (unsigned char) (count >> 8));
479 spin_unlock_irqrestore(&chip->reg_lock, flags);
483 static int snd_es1688_capture_trigger(struct snd_pcm_substream *substream,
486 struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
487 return snd_es1688_trigger(chip, cmd, 0x0f);
490 static irqreturn_t snd_es1688_interrupt(int irq, void *dev_id)
492 struct snd_es1688 *chip = dev_id;
494 if (chip->trigger_value == 0x05) /* ok.. playback is active */
495 snd_pcm_period_elapsed(chip->playback_substream);
496 if (chip->trigger_value == 0x0f) /* ok.. capture is active */
497 snd_pcm_period_elapsed(chip->capture_substream);
499 inb(ES1688P(chip, DATA_AVAIL)); /* ack interrupt */
503 static snd_pcm_uframes_t snd_es1688_playback_pointer(struct snd_pcm_substream *substream)
505 struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
508 if (chip->trigger_value != 0x05)
510 ptr = snd_dma_pointer(chip->dma8, chip->dma_size);
511 return bytes_to_frames(substream->runtime, ptr);
514 static snd_pcm_uframes_t snd_es1688_capture_pointer(struct snd_pcm_substream *substream)
516 struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
519 if (chip->trigger_value != 0x0f)
521 ptr = snd_dma_pointer(chip->dma8, chip->dma_size);
522 return bytes_to_frames(substream->runtime, ptr);
529 static struct snd_pcm_hardware snd_es1688_playback =
531 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
532 SNDRV_PCM_INFO_MMAP_VALID),
533 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
534 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
539 .buffer_bytes_max = 65536,
540 .period_bytes_min = 64,
541 .period_bytes_max = 65536,
547 static struct snd_pcm_hardware snd_es1688_capture =
549 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
550 SNDRV_PCM_INFO_MMAP_VALID),
551 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
552 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
557 .buffer_bytes_max = 65536,
558 .period_bytes_min = 64,
559 .period_bytes_max = 65536,
569 static int snd_es1688_playback_open(struct snd_pcm_substream *substream)
571 struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
572 struct snd_pcm_runtime *runtime = substream->runtime;
574 if (chip->capture_substream != NULL)
576 chip->playback_substream = substream;
577 runtime->hw = snd_es1688_playback;
578 snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
579 &hw_constraints_clocks);
583 static int snd_es1688_capture_open(struct snd_pcm_substream *substream)
585 struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
586 struct snd_pcm_runtime *runtime = substream->runtime;
588 if (chip->playback_substream != NULL)
590 chip->capture_substream = substream;
591 runtime->hw = snd_es1688_capture;
592 snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
593 &hw_constraints_clocks);
597 static int snd_es1688_playback_close(struct snd_pcm_substream *substream)
599 struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
601 chip->playback_substream = NULL;
605 static int snd_es1688_capture_close(struct snd_pcm_substream *substream)
607 struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
609 chip->capture_substream = NULL;
613 static int snd_es1688_free(struct snd_es1688 *chip)
615 if (chip->hardware != ES1688_HW_UNDEF)
616 snd_es1688_init(chip, 0);
617 release_and_free_resource(chip->res_port);
619 free_irq(chip->irq, (void *) chip);
620 if (chip->dma8 >= 0) {
621 disable_dma(chip->dma8);
622 free_dma(chip->dma8);
627 static int snd_es1688_dev_free(struct snd_device *device)
629 struct snd_es1688 *chip = device->device_data;
630 return snd_es1688_free(chip);
633 static const char *snd_es1688_chip_id(struct snd_es1688 *chip)
636 sprintf(tmp, "ES%s688 rev %i", chip->hardware == ES1688_HW_688 ? "" : "1", chip->version & 0x0f);
640 int snd_es1688_create(struct snd_card *card,
641 struct snd_es1688 *chip,
643 unsigned long mpu_port,
647 unsigned short hardware)
649 static struct snd_device_ops ops = {
650 .dev_free = snd_es1688_dev_free,
659 chip->hardware = ES1688_HW_UNDEF;
661 chip->res_port = request_region(port + 4, 12, "ES1688");
662 if (chip->res_port == NULL) {
663 snd_printk(KERN_ERR "es1688: can't grab port 0x%lx\n", port + 4);
668 err = request_irq(irq, snd_es1688_interrupt, 0, "ES1688", (void *) chip);
670 snd_printk(KERN_ERR "es1688: can't grab IRQ %d\n", irq);
675 err = request_dma(dma8, "ES1688");
678 snd_printk(KERN_ERR "es1688: can't grab DMA8 %d\n", dma8);
683 spin_lock_init(&chip->reg_lock);
684 spin_lock_init(&chip->mixer_lock);
687 if (mpu_port < 0x300 || mpu_port > 0x330)
689 chip->mpu_port = mpu_port;
690 chip->mpu_irq = mpu_irq;
691 chip->hardware = hardware;
693 err = snd_es1688_probe(chip);
697 err = snd_es1688_init(chip, 1);
701 /* Register device */
702 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
705 snd_es1688_free(chip);
709 static struct snd_pcm_ops snd_es1688_playback_ops = {
710 .open = snd_es1688_playback_open,
711 .close = snd_es1688_playback_close,
712 .ioctl = snd_es1688_ioctl,
713 .hw_params = snd_es1688_hw_params,
714 .hw_free = snd_es1688_hw_free,
715 .prepare = snd_es1688_playback_prepare,
716 .trigger = snd_es1688_playback_trigger,
717 .pointer = snd_es1688_playback_pointer,
720 static struct snd_pcm_ops snd_es1688_capture_ops = {
721 .open = snd_es1688_capture_open,
722 .close = snd_es1688_capture_close,
723 .ioctl = snd_es1688_ioctl,
724 .hw_params = snd_es1688_hw_params,
725 .hw_free = snd_es1688_hw_free,
726 .prepare = snd_es1688_capture_prepare,
727 .trigger = snd_es1688_capture_trigger,
728 .pointer = snd_es1688_capture_pointer,
731 int snd_es1688_pcm(struct snd_card *card, struct snd_es1688 *chip, int device)
736 err = snd_pcm_new(card, "ESx688", device, 1, 1, &pcm);
740 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_es1688_playback_ops);
741 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_es1688_capture_ops);
743 pcm->private_data = chip;
744 pcm->info_flags = SNDRV_PCM_INFO_HALF_DUPLEX;
745 strcpy(pcm->name, snd_es1688_chip_id(chip));
748 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
758 static int snd_es1688_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
760 static const char * const texts[8] = {
761 "Mic", "Mic Master", "CD", "AOUT",
762 "Mic1", "Mix", "Line", "Master"
765 return snd_ctl_enum_info(uinfo, 1, 8, texts);
768 static int snd_es1688_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
770 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol);
771 ucontrol->value.enumerated.item[0] = snd_es1688_mixer_read(chip, ES1688_REC_DEV) & 7;
775 static int snd_es1688_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
777 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol);
779 unsigned char oval, nval;
782 if (ucontrol->value.enumerated.item[0] > 8)
784 spin_lock_irqsave(&chip->reg_lock, flags);
785 oval = snd_es1688_mixer_read(chip, ES1688_REC_DEV);
786 nval = (ucontrol->value.enumerated.item[0] & 7) | (oval & ~15);
787 change = nval != oval;
789 snd_es1688_mixer_write(chip, ES1688_REC_DEV, nval);
790 spin_unlock_irqrestore(&chip->reg_lock, flags);
794 #define ES1688_SINGLE(xname, xindex, reg, shift, mask, invert) \
795 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
796 .info = snd_es1688_info_single, \
797 .get = snd_es1688_get_single, .put = snd_es1688_put_single, \
798 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
800 static int snd_es1688_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
802 int mask = (kcontrol->private_value >> 16) & 0xff;
804 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
806 uinfo->value.integer.min = 0;
807 uinfo->value.integer.max = mask;
811 static int snd_es1688_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
813 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol);
815 int reg = kcontrol->private_value & 0xff;
816 int shift = (kcontrol->private_value >> 8) & 0xff;
817 int mask = (kcontrol->private_value >> 16) & 0xff;
818 int invert = (kcontrol->private_value >> 24) & 0xff;
820 spin_lock_irqsave(&chip->reg_lock, flags);
821 ucontrol->value.integer.value[0] = (snd_es1688_mixer_read(chip, reg) >> shift) & mask;
822 spin_unlock_irqrestore(&chip->reg_lock, flags);
824 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
828 static int snd_es1688_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
830 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol);
832 int reg = kcontrol->private_value & 0xff;
833 int shift = (kcontrol->private_value >> 8) & 0xff;
834 int mask = (kcontrol->private_value >> 16) & 0xff;
835 int invert = (kcontrol->private_value >> 24) & 0xff;
837 unsigned char oval, nval;
839 nval = (ucontrol->value.integer.value[0] & mask);
843 spin_lock_irqsave(&chip->reg_lock, flags);
844 oval = snd_es1688_mixer_read(chip, reg);
845 nval = (oval & ~(mask << shift)) | nval;
846 change = nval != oval;
848 snd_es1688_mixer_write(chip, reg, nval);
849 spin_unlock_irqrestore(&chip->reg_lock, flags);
853 #define ES1688_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \
854 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
855 .info = snd_es1688_info_double, \
856 .get = snd_es1688_get_double, .put = snd_es1688_put_double, \
857 .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) }
859 static int snd_es1688_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
861 int mask = (kcontrol->private_value >> 24) & 0xff;
863 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
865 uinfo->value.integer.min = 0;
866 uinfo->value.integer.max = mask;
870 static int snd_es1688_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
872 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol);
874 int left_reg = kcontrol->private_value & 0xff;
875 int right_reg = (kcontrol->private_value >> 8) & 0xff;
876 int shift_left = (kcontrol->private_value >> 16) & 0x07;
877 int shift_right = (kcontrol->private_value >> 19) & 0x07;
878 int mask = (kcontrol->private_value >> 24) & 0xff;
879 int invert = (kcontrol->private_value >> 22) & 1;
880 unsigned char left, right;
882 spin_lock_irqsave(&chip->reg_lock, flags);
884 left = snd_es1688_mixer_read(chip, left_reg);
886 left = snd_es1688_read(chip, left_reg);
887 if (left_reg != right_reg) {
888 if (right_reg < 0xa0)
889 right = snd_es1688_mixer_read(chip, right_reg);
891 right = snd_es1688_read(chip, right_reg);
894 spin_unlock_irqrestore(&chip->reg_lock, flags);
895 ucontrol->value.integer.value[0] = (left >> shift_left) & mask;
896 ucontrol->value.integer.value[1] = (right >> shift_right) & mask;
898 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
899 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
904 static int snd_es1688_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
906 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol);
908 int left_reg = kcontrol->private_value & 0xff;
909 int right_reg = (kcontrol->private_value >> 8) & 0xff;
910 int shift_left = (kcontrol->private_value >> 16) & 0x07;
911 int shift_right = (kcontrol->private_value >> 19) & 0x07;
912 int mask = (kcontrol->private_value >> 24) & 0xff;
913 int invert = (kcontrol->private_value >> 22) & 1;
915 unsigned char val1, val2, oval1, oval2;
917 val1 = ucontrol->value.integer.value[0] & mask;
918 val2 = ucontrol->value.integer.value[1] & mask;
924 val2 <<= shift_right;
925 spin_lock_irqsave(&chip->reg_lock, flags);
926 if (left_reg != right_reg) {
928 oval1 = snd_es1688_mixer_read(chip, left_reg);
930 oval1 = snd_es1688_read(chip, left_reg);
931 if (right_reg < 0xa0)
932 oval2 = snd_es1688_mixer_read(chip, right_reg);
934 oval2 = snd_es1688_read(chip, right_reg);
935 val1 = (oval1 & ~(mask << shift_left)) | val1;
936 val2 = (oval2 & ~(mask << shift_right)) | val2;
937 change = val1 != oval1 || val2 != oval2;
940 snd_es1688_mixer_write(chip, left_reg, val1);
942 snd_es1688_write(chip, left_reg, val1);
943 if (right_reg < 0xa0)
944 snd_es1688_mixer_write(chip, right_reg, val1);
946 snd_es1688_write(chip, right_reg, val1);
950 oval1 = snd_es1688_mixer_read(chip, left_reg);
952 oval1 = snd_es1688_read(chip, left_reg);
953 val1 = (oval1 & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2;
954 change = val1 != oval1;
957 snd_es1688_mixer_write(chip, left_reg, val1);
959 snd_es1688_write(chip, left_reg, val1);
963 spin_unlock_irqrestore(&chip->reg_lock, flags);
967 static struct snd_kcontrol_new snd_es1688_controls[] = {
968 ES1688_DOUBLE("Master Playback Volume", 0, ES1688_MASTER_DEV, ES1688_MASTER_DEV, 4, 0, 15, 0),
969 ES1688_DOUBLE("PCM Playback Volume", 0, ES1688_PCM_DEV, ES1688_PCM_DEV, 4, 0, 15, 0),
970 ES1688_DOUBLE("Line Playback Volume", 0, ES1688_LINE_DEV, ES1688_LINE_DEV, 4, 0, 15, 0),
971 ES1688_DOUBLE("CD Playback Volume", 0, ES1688_CD_DEV, ES1688_CD_DEV, 4, 0, 15, 0),
972 ES1688_DOUBLE("FM Playback Volume", 0, ES1688_FM_DEV, ES1688_FM_DEV, 4, 0, 15, 0),
973 ES1688_DOUBLE("Mic Playback Volume", 0, ES1688_MIC_DEV, ES1688_MIC_DEV, 4, 0, 15, 0),
974 ES1688_DOUBLE("Aux Playback Volume", 0, ES1688_AUX_DEV, ES1688_AUX_DEV, 4, 0, 15, 0),
975 ES1688_SINGLE("Beep Playback Volume", 0, ES1688_SPEAKER_DEV, 0, 7, 0),
976 ES1688_DOUBLE("Capture Volume", 0, ES1688_RECLEV_DEV, ES1688_RECLEV_DEV, 4, 0, 15, 0),
977 ES1688_SINGLE("Capture Switch", 0, ES1688_REC_DEV, 4, 1, 1),
979 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
980 .name = "Capture Source",
981 .info = snd_es1688_info_mux,
982 .get = snd_es1688_get_mux,
983 .put = snd_es1688_put_mux,
987 #define ES1688_INIT_TABLE_SIZE (sizeof(snd_es1688_init_table)/2)
989 static unsigned char snd_es1688_init_table[][2] = {
990 { ES1688_MASTER_DEV, 0 },
991 { ES1688_PCM_DEV, 0 },
992 { ES1688_LINE_DEV, 0 },
993 { ES1688_CD_DEV, 0 },
994 { ES1688_FM_DEV, 0 },
995 { ES1688_MIC_DEV, 0 },
996 { ES1688_AUX_DEV, 0 },
997 { ES1688_SPEAKER_DEV, 0 },
998 { ES1688_RECLEV_DEV, 0 },
999 { ES1688_REC_DEV, 0x17 }
1002 int snd_es1688_mixer(struct snd_card *card, struct snd_es1688 *chip)
1006 unsigned char reg, val;
1008 if (snd_BUG_ON(!chip || !card))
1011 strcpy(card->mixername, snd_es1688_chip_id(chip));
1013 for (idx = 0; idx < ARRAY_SIZE(snd_es1688_controls); idx++) {
1014 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_es1688_controls[idx], chip))) < 0)
1017 for (idx = 0; idx < ES1688_INIT_TABLE_SIZE; idx++) {
1018 reg = snd_es1688_init_table[idx][0];
1019 val = snd_es1688_init_table[idx][1];
1021 snd_es1688_mixer_write(chip, reg, val);
1023 snd_es1688_write(chip, reg, val);
1028 EXPORT_SYMBOL(snd_es1688_mixer_write);
1029 EXPORT_SYMBOL(snd_es1688_create);
1030 EXPORT_SYMBOL(snd_es1688_pcm);
1031 EXPORT_SYMBOL(snd_es1688_mixer);
1037 static int __init alsa_es1688_init(void)
1042 static void __exit alsa_es1688_exit(void)
1046 module_init(alsa_es1688_init)
1047 module_exit(alsa_es1688_exit)