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libertas: use irqsave() in USB's complete callback
[linux/fpc-iii.git] / sound / isa / es1688 / es1688_lib.c
blobf9c0662e9a2232915ef09cefacdfcd152759abea
1 /*
2 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
3 * Routines for control of ESS ES1688/688/488 chip
4 *
5 *
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.
10 *
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.
15 *
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
19 *
20 */
21
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>
28 #include <linux/io.h>
29 #include <sound/core.h>
30 #include <sound/es1688.h>
31 #include <sound/initval.h>
32
33 #include <asm/dma.h>
34
35 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
36 MODULE_DESCRIPTION("ESS ESx688 lowlevel module");
37 MODULE_LICENSE("GPL");
38
39 static int snd_es1688_dsp_command(struct snd_es1688 *chip, unsigned char val)
40 {
41 int i;
42
43 for (i = 10000; i; i--)
44 if ((inb(ES1688P(chip, STATUS)) & 0x80) == 0) {
45 outb(val, ES1688P(chip, COMMAND));
46 return 1;
47 }
48 #ifdef CONFIG_SND_DEBUG
49 printk(KERN_DEBUG "snd_es1688_dsp_command: timeout (0x%x)\n", val);
50 #endif
51 return 0;
52 }
53
54 static int snd_es1688_dsp_get_byte(struct snd_es1688 *chip)
55 {
56 int i;
57
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)));
62 return -ENODEV;
63 }
64
65 static int snd_es1688_write(struct snd_es1688 *chip,
66 unsigned char reg, unsigned char data)
67 {
68 if (!snd_es1688_dsp_command(chip, reg))
69 return 0;
70 return snd_es1688_dsp_command(chip, data);
71 }
72
73 static int snd_es1688_read(struct snd_es1688 *chip, unsigned char reg)
74 {
75 /* Read a byte from an extended mode register of ES1688 */
76 if (!snd_es1688_dsp_command(chip, 0xc0))
77 return -1;
78 if (!snd_es1688_dsp_command(chip, reg))
79 return -1;
80 return snd_es1688_dsp_get_byte(chip);
81 }
82
83 void snd_es1688_mixer_write(struct snd_es1688 *chip,
84 unsigned char reg, unsigned char data)
85 {
86 outb(reg, ES1688P(chip, MIXER_ADDR));
87 udelay(10);
88 outb(data, ES1688P(chip, MIXER_DATA));
89 udelay(10);
90 }
91
92 static unsigned char snd_es1688_mixer_read(struct snd_es1688 *chip, unsigned char reg)
93 {
94 unsigned char result;
95
96 outb(reg, ES1688P(chip, MIXER_ADDR));
97 udelay(10);
98 result = inb(ES1688P(chip, MIXER_DATA));
99 udelay(10);
100 return result;
101 }
102
103 int snd_es1688_reset(struct snd_es1688 *chip)
104 {
105 int i;
106
107 outb(3, ES1688P(chip, RESET)); /* valid only for ESS chips, SB -> 1 */
108 udelay(10);
109 outb(0, ES1688P(chip, RESET));
110 udelay(30);
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);
114 return -ENODEV;
115 }
116 snd_es1688_dsp_command(chip, 0xc6); /* enable extended mode */
117 return 0;
118 }
119 EXPORT_SYMBOL(snd_es1688_reset);
120
121 static int snd_es1688_probe(struct snd_es1688 *chip)
122 {
123 unsigned long flags;
124 unsigned short major, minor, hw;
125 int i;
126
127 /*
128 * initialization sequence
129 */
130
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 */
143
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);
147 return -ENODEV;
148 }
149 snd_es1688_dsp_command(chip, 0xe7); /* return identification */
150
151 for (i = 1000, major = minor = 0; i; i--) {
152 if (inb(ES1688P(chip, DATA_AVAIL)) & 0x80) {
153 if (major == 0) {
154 major = inb(ES1688P(chip, READ));
155 } else {
156 minor = inb(ES1688P(chip, READ));
157 }
158 }
159 }
160
161 spin_unlock_irqrestore(&chip->reg_lock, flags);
162
163 snd_printdd("ESS: [0x%lx] found.. major = 0x%x, minor = 0x%x\n", chip->port, major, minor);
164
165 chip->version = (major << 8) | minor;
166 if (!chip->version)
167 return -ENODEV; /* probably SB */
168
169 hw = ES1688_HW_AUTO;
170 switch (chip->version & 0xfff0) {
171 case 0x4880:
172 snd_printk(KERN_ERR "[0x%lx] ESS: AudioDrive ES488 detected, "
173 "but driver is in another place\n", chip->port);
174 return -ENODEV;
175 case 0x6880:
176 hw = (chip->version & 0x0f) >= 8 ? ES1688_HW_1688 : ES1688_HW_688;
177 break;
178 default:
179 snd_printk(KERN_ERR "[0x%lx] ESS: unknown AudioDrive chip "
180 "with version 0x%x (Jazz16 soundcard?)\n",
181 chip->port, chip->version);
182 return -ENODEV;
183 }
184
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);
189
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);
194
195 return 0;
196 }
197
198 static int snd_es1688_init(struct snd_es1688 * chip, int enable)
199 {
200 static int irqs[16] = {-1, -1, 0, -1, -1, 1, -1, 2, -1, 0, 3, -1, -1, -1, -1, -1};
201 unsigned long flags;
202 int cfg, irq_bits, dma, dma_bits, tmp, tmp1;
203
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;
208 if (tmp <= 3) {
209 switch (chip->mpu_irq) {
210 case 9:
211 tmp1 = 4;
212 break;
213 case 5:
214 tmp1 = 5;
215 break;
216 case 7:
217 tmp1 = 6;
218 break;
219 case 10:
220 tmp1 = 7;
221 break;
222 default:
223 tmp1 = 0;
224 }
225 if (tmp1) {
226 cfg |= (tmp << 3) | (tmp1 << 5);
227 }
228 }
229 }
230 #if 0
231 snd_printk(KERN_DEBUG "mpu cfg = 0x%x\n", cfg);
232 #endif
233 spin_lock_irqsave(&chip->reg_lock, flags);
234 snd_es1688_mixer_write(chip, 0x40, cfg);
235 spin_unlock_irqrestore(&chip->reg_lock, flags);
236 /* --- */
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);
241 if (enable) {
242 cfg = 0xf0; /* enable only DMA counter interrupt */
243 irq_bits = irqs[chip->irq & 0x0f];
244 if (irq_bits < 0) {
245 snd_printk(KERN_ERR "[0x%lx] ESS: bad IRQ %d "
246 "for ES1688 chip!!\n",
247 chip->port, chip->irq);
248 #if 0
249 irq_bits = 0;
250 cfg = 0x10;
251 #endif
252 return -EINVAL;
253 }
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 */
258 dma = chip->dma8;
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);
262 #if 0
263 dma_bits = 0;
264 cfg = 0x00; /* disable all DMA */
265 #endif
266 return -EINVAL;
267 } else {
268 dma_bits = dma;
269 if (dma != 3)
270 dma_bits++;
271 }
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);
275 } else {
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);
280 }
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);
286 return 0;
287 }
288
289 /*
290
291 */
292
293 static const struct snd_ratnum clocks[2] = {
294 {
295 .num = 795444,
296 .den_min = 1,
297 .den_max = 128,
298 .den_step = 1,
299 },
300 {
301 .num = 397722,
302 .den_min = 1,
303 .den_max = 128,
304 .den_step = 1,
305 }
306 };
307
308 static const struct snd_pcm_hw_constraint_ratnums hw_constraints_clocks = {
309 .nrats = 2,
310 .rats = clocks,
311 };
312
313 static void snd_es1688_set_rate(struct snd_es1688 *chip, struct snd_pcm_substream *substream)
314 {
315 struct snd_pcm_runtime *runtime = substream->runtime;
316 unsigned int bits, divider;
317
318 if (runtime->rate_num == clocks[0].num)
319 bits = 256 - runtime->rate_den;
320 else
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);
327 }
328
329 static int snd_es1688_ioctl(struct snd_pcm_substream *substream,
330 unsigned int cmd, void *arg)
331 {
332 return snd_pcm_lib_ioctl(substream, cmd, arg);
333 }
334
335 static int snd_es1688_trigger(struct snd_es1688 *chip, int cmd, unsigned char value)
336 {
337 int val;
338
339 if (cmd == SNDRV_PCM_TRIGGER_STOP) {
340 value = 0x00;
341 } else if (cmd != SNDRV_PCM_TRIGGER_START) {
342 return -EINVAL;
343 }
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 */
350 }
351 #if 0
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));
355 #endif
356 snd_es1688_write(chip, 0xb8, (val & 0xf0) | value);
357 spin_unlock(&chip->reg_lock);
358 return 0;
359 }
360
361 static int snd_es1688_hw_params(struct snd_pcm_substream *substream,
362 struct snd_pcm_hw_params *hw_params)
363 {
364 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
365 }
366
367 static int snd_es1688_hw_free(struct snd_pcm_substream *substream)
368 {
369 return snd_pcm_lib_free_pages(substream);
370 }
371
372 static int snd_es1688_playback_prepare(struct snd_pcm_substream *substream)
373 {
374 unsigned long flags;
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);
379
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) {
389 /* 8. bit mono */
390 snd_es1688_write(chip, 0xb6, 0x80);
391 snd_es1688_write(chip, 0xb7, 0x51);
392 snd_es1688_write(chip, 0xb7, 0xd0);
393 } else {
394 /* 16. bit mono */
395 snd_es1688_write(chip, 0xb6, 0x00);
396 snd_es1688_write(chip, 0xb7, 0x71);
397 snd_es1688_write(chip, 0xb7, 0xf4);
398 }
399 } else {
400 if (snd_pcm_format_width(runtime->format) == 8) {
401 /* 8. bit stereo */
402 snd_es1688_write(chip, 0xb6, 0x80);
403 snd_es1688_write(chip, 0xb7, 0x51);
404 snd_es1688_write(chip, 0xb7, 0x98);
405 } else {
406 /* 16. bit stereo */
407 snd_es1688_write(chip, 0xb6, 0x00);
408 snd_es1688_write(chip, 0xb7, 0x71);
409 snd_es1688_write(chip, 0xb7, 0xbc);
410 }
411 }
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);
416 /* --- */
417 count = -count;
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);
423 return 0;
424 }
425
426 static int snd_es1688_playback_trigger(struct snd_pcm_substream *substream,
427 int cmd)
428 {
429 struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
430 return snd_es1688_trigger(chip, cmd, 0x05);
431 }
432
433 static int snd_es1688_capture_prepare(struct snd_pcm_substream *substream)
434 {
435 unsigned long flags;
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);
440
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) {
451 /* 8. bit mono */
452 snd_es1688_write(chip, 0xb7, 0x51);
453 snd_es1688_write(chip, 0xb7, 0xd0);
454 } else {
455 /* 16. bit mono */
456 snd_es1688_write(chip, 0xb7, 0x71);
457 snd_es1688_write(chip, 0xb7, 0xf4);
458 }
459 } else {
460 if (snd_pcm_format_width(runtime->format) == 8) {
461 /* 8. bit stereo */
462 snd_es1688_write(chip, 0xb7, 0x51);
463 snd_es1688_write(chip, 0xb7, 0x98);
464 } else {
465 /* 16. bit stereo */
466 snd_es1688_write(chip, 0xb7, 0x71);
467 snd_es1688_write(chip, 0xb7, 0xbc);
468 }
469 }
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);
473 /* --- */
474 count = -count;
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);
480 return 0;
481 }
482
483 static int snd_es1688_capture_trigger(struct snd_pcm_substream *substream,
484 int cmd)
485 {
486 struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
487 return snd_es1688_trigger(chip, cmd, 0x0f);
488 }
489
490 static irqreturn_t snd_es1688_interrupt(int irq, void *dev_id)
491 {
492 struct snd_es1688 *chip = dev_id;
493
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);
498
499 inb(ES1688P(chip, DATA_AVAIL)); /* ack interrupt */
500 return IRQ_HANDLED;
501 }
502
503 static snd_pcm_uframes_t snd_es1688_playback_pointer(struct snd_pcm_substream *substream)
504 {
505 struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
506 size_t ptr;
507
508 if (chip->trigger_value != 0x05)
509 return 0;
510 ptr = snd_dma_pointer(chip->dma8, chip->dma_size);
511 return bytes_to_frames(substream->runtime, ptr);
512 }
513
514 static snd_pcm_uframes_t snd_es1688_capture_pointer(struct snd_pcm_substream *substream)
515 {
516 struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
517 size_t ptr;
518
519 if (chip->trigger_value != 0x0f)
520 return 0;
521 ptr = snd_dma_pointer(chip->dma8, chip->dma_size);
522 return bytes_to_frames(substream->runtime, ptr);
523 }
524
525 /*
526
527 */
528
529 static const struct snd_pcm_hardware snd_es1688_playback =
530 {
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,
535 .rate_min = 4000,
536 .rate_max = 48000,
537 .channels_min = 1,
538 .channels_max = 2,
539 .buffer_bytes_max = 65536,
540 .period_bytes_min = 64,
541 .period_bytes_max = 65536,
542 .periods_min = 1,
543 .periods_max = 1024,
544 .fifo_size = 0,
545 };
546
547 static const struct snd_pcm_hardware snd_es1688_capture =
548 {
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,
553 .rate_min = 4000,
554 .rate_max = 48000,
555 .channels_min = 1,
556 .channels_max = 2,
557 .buffer_bytes_max = 65536,
558 .period_bytes_min = 64,
559 .period_bytes_max = 65536,
560 .periods_min = 1,
561 .periods_max = 1024,
562 .fifo_size = 0,
563 };
564
565 /*
566
567 */
568
569 static int snd_es1688_playback_open(struct snd_pcm_substream *substream)
570 {
571 struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
572 struct snd_pcm_runtime *runtime = substream->runtime;
573
574 if (chip->capture_substream != NULL)
575 return -EAGAIN;
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);
580 return 0;
581 }
582
583 static int snd_es1688_capture_open(struct snd_pcm_substream *substream)
584 {
585 struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
586 struct snd_pcm_runtime *runtime = substream->runtime;
587
588 if (chip->playback_substream != NULL)
589 return -EAGAIN;
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);
594 return 0;
595 }
596
597 static int snd_es1688_playback_close(struct snd_pcm_substream *substream)
598 {
599 struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
600
601 chip->playback_substream = NULL;
602 return 0;
603 }
604
605 static int snd_es1688_capture_close(struct snd_pcm_substream *substream)
606 {
607 struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
608
609 chip->capture_substream = NULL;
610 return 0;
611 }
612
613 static int snd_es1688_free(struct snd_es1688 *chip)
614 {
615 if (chip->hardware != ES1688_HW_UNDEF)
616 snd_es1688_init(chip, 0);
617 release_and_free_resource(chip->res_port);
618 if (chip->irq >= 0)
619 free_irq(chip->irq, (void *) chip);
620 if (chip->dma8 >= 0) {
621 disable_dma(chip->dma8);
622 free_dma(chip->dma8);
623 }
624 return 0;
625 }
626
627 static int snd_es1688_dev_free(struct snd_device *device)
628 {
629 struct snd_es1688 *chip = device->device_data;
630 return snd_es1688_free(chip);
631 }
632
633 static const char *snd_es1688_chip_id(struct snd_es1688 *chip)
634 {
635 static char tmp[16];
636 sprintf(tmp, "ES%s688 rev %i", chip->hardware == ES1688_HW_688 ? "" : "1", chip->version & 0x0f);
637 return tmp;
638 }
639
640 int snd_es1688_create(struct snd_card *card,
641 struct snd_es1688 *chip,
642 unsigned long port,
643 unsigned long mpu_port,
644 int irq,
645 int mpu_irq,
646 int dma8,
647 unsigned short hardware)
648 {
649 static struct snd_device_ops ops = {
650 .dev_free = snd_es1688_dev_free,
651 };
652
653 int err;
654
655 if (chip == NULL)
656 return -ENOMEM;
657 chip->irq = -1;
658 chip->dma8 = -1;
659 chip->hardware = ES1688_HW_UNDEF;
660
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);
664 err = -EBUSY;
665 goto exit;
666 }
667
668 err = request_irq(irq, snd_es1688_interrupt, 0, "ES1688", (void *) chip);
669 if (err < 0) {
670 snd_printk(KERN_ERR "es1688: can't grab IRQ %d\n", irq);
671 goto exit;
672 }
673
674 chip->irq = irq;
675 err = request_dma(dma8, "ES1688");
676
677 if (err < 0) {
678 snd_printk(KERN_ERR "es1688: can't grab DMA8 %d\n", dma8);
679 goto exit;
680 }
681 chip->dma8 = dma8;
682
683 spin_lock_init(&chip->reg_lock);
684 spin_lock_init(&chip->mixer_lock);
685 chip->port = port;
686 mpu_port &= ~0x000f;
687 if (mpu_port < 0x300 || mpu_port > 0x330)
688 mpu_port = 0;
689 chip->mpu_port = mpu_port;
690 chip->mpu_irq = mpu_irq;
691 chip->hardware = hardware;
692
693 err = snd_es1688_probe(chip);
694 if (err < 0)
695 goto exit;
696
697 err = snd_es1688_init(chip, 1);
698 if (err < 0)
699 goto exit;
700
701 /* Register device */
702 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
703 exit:
704 if (err)
705 snd_es1688_free(chip);
706 return err;
707 }
708
709 static const 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,
718 };
719
720 static const 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,
729 };
730
731 int snd_es1688_pcm(struct snd_card *card, struct snd_es1688 *chip, int device)
732 {
733 struct snd_pcm *pcm;
734 int err;
735
736 err = snd_pcm_new(card, "ESx688", device, 1, 1, &pcm);
737 if (err < 0)
738 return err;
739
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);
742
743 pcm->private_data = chip;
744 pcm->info_flags = SNDRV_PCM_INFO_HALF_DUPLEX;
745 strcpy(pcm->name, snd_es1688_chip_id(chip));
746 chip->pcm = pcm;
747
748 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
749 snd_dma_isa_data(),
750 64*1024, 64*1024);
751 return 0;
752 }
753
754 /*
755 * MIXER part
756 */
757
758 static int snd_es1688_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
759 {
760 static const char * const texts[8] = {
761 "Mic", "Mic Master", "CD", "AOUT",
762 "Mic1", "Mix", "Line", "Master"
763 };
764
765 return snd_ctl_enum_info(uinfo, 1, 8, texts);
766 }
767
768 static int snd_es1688_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
769 {
770 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol);
771 ucontrol->value.enumerated.item[0] = snd_es1688_mixer_read(chip, ES1688_REC_DEV) & 7;
772 return 0;
773 }
774
775 static int snd_es1688_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
776 {
777 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol);
778 unsigned long flags;
779 unsigned char oval, nval;
780 int change;
781
782 if (ucontrol->value.enumerated.item[0] > 8)
783 return -EINVAL;
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;
788 if (change)
789 snd_es1688_mixer_write(chip, ES1688_REC_DEV, nval);
790 spin_unlock_irqrestore(&chip->reg_lock, flags);
791 return change;
792 }
793
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) }
799
800 static int snd_es1688_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
801 {
802 int mask = (kcontrol->private_value >> 16) & 0xff;
803
804 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
805 uinfo->count = 1;
806 uinfo->value.integer.min = 0;
807 uinfo->value.integer.max = mask;
808 return 0;
809 }
810
811 static int snd_es1688_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
812 {
813 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol);
814 unsigned long flags;
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;
819
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);
823 if (invert)
824 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
825 return 0;
826 }
827
828 static int snd_es1688_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
829 {
830 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol);
831 unsigned long flags;
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;
836 int change;
837 unsigned char oval, nval;
838
839 nval = (ucontrol->value.integer.value[0] & mask);
840 if (invert)
841 nval = mask - nval;
842 nval <<= shift;
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;
847 if (change)
848 snd_es1688_mixer_write(chip, reg, nval);
849 spin_unlock_irqrestore(&chip->reg_lock, flags);
850 return change;
851 }
852
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) }
858
859 static int snd_es1688_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
860 {
861 int mask = (kcontrol->private_value >> 24) & 0xff;
862
863 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
864 uinfo->count = 2;
865 uinfo->value.integer.min = 0;
866 uinfo->value.integer.max = mask;
867 return 0;
868 }
869
870 static int snd_es1688_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
871 {
872 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol);
873 unsigned long flags;
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;
881
882 spin_lock_irqsave(&chip->reg_lock, flags);
883 if (left_reg < 0xa0)
884 left = snd_es1688_mixer_read(chip, left_reg);
885 else
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);
890 else
891 right = snd_es1688_read(chip, right_reg);
892 } else
893 right = left;
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;
897 if (invert) {
898 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
899 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
900 }
901 return 0;
902 }
903
904 static int snd_es1688_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
905 {
906 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol);
907 unsigned long flags;
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;
914 int change;
915 unsigned char val1, val2, oval1, oval2;
916
917 val1 = ucontrol->value.integer.value[0] & mask;
918 val2 = ucontrol->value.integer.value[1] & mask;
919 if (invert) {
920 val1 = mask - val1;
921 val2 = mask - val2;
922 }
923 val1 <<= shift_left;
924 val2 <<= shift_right;
925 spin_lock_irqsave(&chip->reg_lock, flags);
926 if (left_reg != right_reg) {
927 if (left_reg < 0xa0)
928 oval1 = snd_es1688_mixer_read(chip, left_reg);
929 else
930 oval1 = snd_es1688_read(chip, left_reg);
931 if (right_reg < 0xa0)
932 oval2 = snd_es1688_mixer_read(chip, right_reg);
933 else
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;
938 if (change) {
939 if (left_reg < 0xa0)
940 snd_es1688_mixer_write(chip, left_reg, val1);
941 else
942 snd_es1688_write(chip, left_reg, val1);
943 if (right_reg < 0xa0)
944 snd_es1688_mixer_write(chip, right_reg, val1);
945 else
946 snd_es1688_write(chip, right_reg, val1);
947 }
948 } else {
949 if (left_reg < 0xa0)
950 oval1 = snd_es1688_mixer_read(chip, left_reg);
951 else
952 oval1 = snd_es1688_read(chip, left_reg);
953 val1 = (oval1 & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2;
954 change = val1 != oval1;
955 if (change) {
956 if (left_reg < 0xa0)
957 snd_es1688_mixer_write(chip, left_reg, val1);
958 else
959 snd_es1688_write(chip, left_reg, val1);
960 }
961
962 }
963 spin_unlock_irqrestore(&chip->reg_lock, flags);
964 return change;
965 }
966
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),
978 {
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,
984 },
985 };
986
987 #define ES1688_INIT_TABLE_SIZE (sizeof(snd_es1688_init_table)/2)
988
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 }
1000 };
1001
1002 int snd_es1688_mixer(struct snd_card *card, struct snd_es1688 *chip)
1003 {
1004 unsigned int idx;
1005 int err;
1006 unsigned char reg, val;
1007
1008 if (snd_BUG_ON(!chip || !card))
1009 return -EINVAL;
1010
1011 strcpy(card->mixername, snd_es1688_chip_id(chip));
1012
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)
1015 return err;
1016 }
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];
1020 if (reg < 0xa0)
1021 snd_es1688_mixer_write(chip, reg, val);
1022 else
1023 snd_es1688_write(chip, reg, val);
1024 }
1025 return 0;
1026 }
1027
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);
1032
1033 /*
1034 * INIT part
1035 */
1036
1037 static int __init alsa_es1688_init(void)
1038 {
1039 return 0;
1040 }
1041
1042 static void __exit alsa_es1688_exit(void)
1043 {
1044 }
1045
1046 module_init(alsa_es1688_init)
1047 module_exit(alsa_es1688_exit)
Linux with added FPC-III support