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Linux 2.6.31.8
[linux/fpc-iii.git] / sound / isa / es1688 / es1688_lib.c
blob4c6e14f87f2d816c4f843bed883aec20c1bd732e
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 <sound/core.h>
28 #include <sound/es1688.h>
29 #include <sound/initval.h>
30
31 #include <asm/io.h>
32 #include <asm/dma.h>
33
34 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
35 MODULE_DESCRIPTION("ESS ESx688 lowlevel module");
36 MODULE_LICENSE("GPL");
37
38 static int snd_es1688_dsp_command(struct snd_es1688 *chip, unsigned char val)
39 {
40 int i;
41
42 for (i = 10000; i; i--)
43 if ((inb(ES1688P(chip, STATUS)) & 0x80) == 0) {
44 outb(val, ES1688P(chip, COMMAND));
45 return 1;
46 }
47 #ifdef CONFIG_SND_DEBUG
48 printk(KERN_DEBUG "snd_es1688_dsp_command: timeout (0x%x)\n", val);
49 #endif
50 return 0;
51 }
52
53 static int snd_es1688_dsp_get_byte(struct snd_es1688 *chip)
54 {
55 int i;
56
57 for (i = 1000; i; i--)
58 if (inb(ES1688P(chip, DATA_AVAIL)) & 0x80)
59 return inb(ES1688P(chip, READ));
60 snd_printd("es1688 get byte failed: 0x%lx = 0x%x!!!\n", ES1688P(chip, DATA_AVAIL), inb(ES1688P(chip, DATA_AVAIL)));
61 return -ENODEV;
62 }
63
64 static int snd_es1688_write(struct snd_es1688 *chip,
65 unsigned char reg, unsigned char data)
66 {
67 if (!snd_es1688_dsp_command(chip, reg))
68 return 0;
69 return snd_es1688_dsp_command(chip, data);
70 }
71
72 static int snd_es1688_read(struct snd_es1688 *chip, unsigned char reg)
73 {
74 /* Read a byte from an extended mode register of ES1688 */
75 if (!snd_es1688_dsp_command(chip, 0xc0))
76 return -1;
77 if (!snd_es1688_dsp_command(chip, reg))
78 return -1;
79 return snd_es1688_dsp_get_byte(chip);
80 }
81
82 void snd_es1688_mixer_write(struct snd_es1688 *chip,
83 unsigned char reg, unsigned char data)
84 {
85 outb(reg, ES1688P(chip, MIXER_ADDR));
86 udelay(10);
87 outb(data, ES1688P(chip, MIXER_DATA));
88 udelay(10);
89 }
90
91 static unsigned char snd_es1688_mixer_read(struct snd_es1688 *chip, unsigned char reg)
92 {
93 unsigned char result;
94
95 outb(reg, ES1688P(chip, MIXER_ADDR));
96 udelay(10);
97 result = inb(ES1688P(chip, MIXER_DATA));
98 udelay(10);
99 return result;
100 }
101
102 static int snd_es1688_reset(struct snd_es1688 *chip)
103 {
104 int i;
105
106 outb(3, ES1688P(chip, RESET)); /* valid only for ESS chips, SB -> 1 */
107 udelay(10);
108 outb(0, ES1688P(chip, RESET));
109 udelay(30);
110 for (i = 0; i < 1000 && !(inb(ES1688P(chip, DATA_AVAIL)) & 0x80); i++);
111 if (inb(ES1688P(chip, READ)) != 0xaa) {
112 snd_printd("ess_reset at 0x%lx: failed!!!\n", chip->port);
113 return -ENODEV;
114 }
115 snd_es1688_dsp_command(chip, 0xc6); /* enable extended mode */
116 return 0;
117 }
118
119 static int snd_es1688_probe(struct snd_es1688 *chip)
120 {
121 unsigned long flags;
122 unsigned short major, minor, hw;
123 int i;
124
125 /*
126 * initialization sequence
127 */
128
129 spin_lock_irqsave(&chip->reg_lock, flags); /* Some ESS1688 cards need this */
130 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */
131 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */
132 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */
133 inb(ES1688P(chip, ENABLE2)); /* ENABLE2 */
134 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */
135 inb(ES1688P(chip, ENABLE2)); /* ENABLE2 */
136 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */
137 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */
138 inb(ES1688P(chip, ENABLE2)); /* ENABLE2 */
139 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */
140 inb(ES1688P(chip, ENABLE0)); /* ENABLE0 */
141
142 if (snd_es1688_reset(chip) < 0) {
143 snd_printdd("ESS: [0x%lx] reset failed... 0x%x\n", chip->port, inb(ES1688P(chip, READ)));
144 spin_unlock_irqrestore(&chip->reg_lock, flags);
145 return -ENODEV;
146 }
147 snd_es1688_dsp_command(chip, 0xe7); /* return identification */
148
149 for (i = 1000, major = minor = 0; i; i--) {
150 if (inb(ES1688P(chip, DATA_AVAIL)) & 0x80) {
151 if (major == 0) {
152 major = inb(ES1688P(chip, READ));
153 } else {
154 minor = inb(ES1688P(chip, READ));
155 }
156 }
157 }
158
159 spin_unlock_irqrestore(&chip->reg_lock, flags);
160
161 snd_printdd("ESS: [0x%lx] found.. major = 0x%x, minor = 0x%x\n", chip->port, major, minor);
162
163 chip->version = (major << 8) | minor;
164 if (!chip->version)
165 return -ENODEV; /* probably SB */
166
167 hw = ES1688_HW_AUTO;
168 switch (chip->version & 0xfff0) {
169 case 0x4880:
170 snd_printk(KERN_ERR "[0x%lx] ESS: AudioDrive ES488 detected, "
171 "but driver is in another place\n", chip->port);
172 return -ENODEV;
173 case 0x6880:
174 hw = (chip->version & 0x0f) >= 8 ? ES1688_HW_1688 : ES1688_HW_688;
175 break;
176 default:
177 snd_printk(KERN_ERR "[0x%lx] ESS: unknown AudioDrive chip "
178 "with version 0x%x (Jazz16 soundcard?)\n",
179 chip->port, chip->version);
180 return -ENODEV;
181 }
182
183 spin_lock_irqsave(&chip->reg_lock, flags);
184 snd_es1688_write(chip, 0xb1, 0x10); /* disable IRQ */
185 snd_es1688_write(chip, 0xb2, 0x00); /* disable DMA */
186 spin_unlock_irqrestore(&chip->reg_lock, flags);
187
188 /* enable joystick, but disable OPL3 */
189 spin_lock_irqsave(&chip->mixer_lock, flags);
190 snd_es1688_mixer_write(chip, 0x40, 0x01);
191 spin_unlock_irqrestore(&chip->mixer_lock, flags);
192
193 return 0;
194 }
195
196 static int snd_es1688_init(struct snd_es1688 * chip, int enable)
197 {
198 static int irqs[16] = {-1, -1, 0, -1, -1, 1, -1, 2, -1, 0, 3, -1, -1, -1, -1, -1};
199 unsigned long flags;
200 int cfg, irq_bits, dma, dma_bits, tmp, tmp1;
201
202 /* ok.. setup MPU-401 port and joystick and OPL3 */
203 cfg = 0x01; /* enable joystick, but disable OPL3 */
204 if (enable && chip->mpu_port >= 0x300 && chip->mpu_irq > 0 && chip->hardware != ES1688_HW_688) {
205 tmp = (chip->mpu_port & 0x0f0) >> 4;
206 if (tmp <= 3) {
207 switch (chip->mpu_irq) {
208 case 9:
209 tmp1 = 4;
210 break;
211 case 5:
212 tmp1 = 5;
213 break;
214 case 7:
215 tmp1 = 6;
216 break;
217 case 10:
218 tmp1 = 7;
219 break;
220 default:
221 tmp1 = 0;
222 }
223 if (tmp1) {
224 cfg |= (tmp << 3) | (tmp1 << 5);
225 }
226 }
227 }
228 #if 0
229 snd_printk(KERN_DEBUG "mpu cfg = 0x%x\n", cfg);
230 #endif
231 spin_lock_irqsave(&chip->reg_lock, flags);
232 snd_es1688_mixer_write(chip, 0x40, cfg);
233 spin_unlock_irqrestore(&chip->reg_lock, flags);
234 /* --- */
235 spin_lock_irqsave(&chip->reg_lock, flags);
236 snd_es1688_read(chip, 0xb1);
237 snd_es1688_read(chip, 0xb2);
238 spin_unlock_irqrestore(&chip->reg_lock, flags);
239 if (enable) {
240 cfg = 0xf0; /* enable only DMA counter interrupt */
241 irq_bits = irqs[chip->irq & 0x0f];
242 if (irq_bits < 0) {
243 snd_printk(KERN_ERR "[0x%lx] ESS: bad IRQ %d "
244 "for ES1688 chip!!\n",
245 chip->port, chip->irq);
246 #if 0
247 irq_bits = 0;
248 cfg = 0x10;
249 #endif
250 return -EINVAL;
251 }
252 spin_lock_irqsave(&chip->reg_lock, flags);
253 snd_es1688_write(chip, 0xb1, cfg | (irq_bits << 2));
254 spin_unlock_irqrestore(&chip->reg_lock, flags);
255 cfg = 0xf0; /* extended mode DMA enable */
256 dma = chip->dma8;
257 if (dma > 3 || dma == 2) {
258 snd_printk(KERN_ERR "[0x%lx] ESS: bad DMA channel %d "
259 "for ES1688 chip!!\n", chip->port, dma);
260 #if 0
261 dma_bits = 0;
262 cfg = 0x00; /* disable all DMA */
263 #endif
264 return -EINVAL;
265 } else {
266 dma_bits = dma;
267 if (dma != 3)
268 dma_bits++;
269 }
270 spin_lock_irqsave(&chip->reg_lock, flags);
271 snd_es1688_write(chip, 0xb2, cfg | (dma_bits << 2));
272 spin_unlock_irqrestore(&chip->reg_lock, flags);
273 } else {
274 spin_lock_irqsave(&chip->reg_lock, flags);
275 snd_es1688_write(chip, 0xb1, 0x10); /* disable IRQ */
276 snd_es1688_write(chip, 0xb2, 0x00); /* disable DMA */
277 spin_unlock_irqrestore(&chip->reg_lock, flags);
278 }
279 spin_lock_irqsave(&chip->reg_lock, flags);
280 snd_es1688_read(chip, 0xb1);
281 snd_es1688_read(chip, 0xb2);
282 snd_es1688_reset(chip);
283 spin_unlock_irqrestore(&chip->reg_lock, flags);
284 return 0;
285 }
286
287 /*
288
289 */
290
291 static struct snd_ratnum clocks[2] = {
292 {
293 .num = 795444,
294 .den_min = 1,
295 .den_max = 128,
296 .den_step = 1,
297 },
298 {
299 .num = 397722,
300 .den_min = 1,
301 .den_max = 128,
302 .den_step = 1,
303 }
304 };
305
306 static struct snd_pcm_hw_constraint_ratnums hw_constraints_clocks = {
307 .nrats = 2,
308 .rats = clocks,
309 };
310
311 static void snd_es1688_set_rate(struct snd_es1688 *chip, struct snd_pcm_substream *substream)
312 {
313 struct snd_pcm_runtime *runtime = substream->runtime;
314 unsigned int bits, divider;
315
316 if (runtime->rate_num == clocks[0].num)
317 bits = 256 - runtime->rate_den;
318 else
319 bits = 128 - runtime->rate_den;
320 /* set filter register */
321 divider = 256 - 7160000*20/(8*82*runtime->rate);
322 /* write result to hardware */
323 snd_es1688_write(chip, 0xa1, bits);
324 snd_es1688_write(chip, 0xa2, divider);
325 }
326
327 static int snd_es1688_ioctl(struct snd_pcm_substream *substream,
328 unsigned int cmd, void *arg)
329 {
330 return snd_pcm_lib_ioctl(substream, cmd, arg);
331 }
332
333 static int snd_es1688_trigger(struct snd_es1688 *chip, int cmd, unsigned char value)
334 {
335 int val;
336
337 if (cmd == SNDRV_PCM_TRIGGER_STOP) {
338 value = 0x00;
339 } else if (cmd != SNDRV_PCM_TRIGGER_START) {
340 return -EINVAL;
341 }
342 spin_lock(&chip->reg_lock);
343 chip->trigger_value = value;
344 val = snd_es1688_read(chip, 0xb8);
345 if ((val < 0) || (val & 0x0f) == value) {
346 spin_unlock(&chip->reg_lock);
347 return -EINVAL; /* something is wrong */
348 }
349 #if 0
350 printk(KERN_DEBUG "trigger: val = 0x%x, value = 0x%x\n", val, value);
351 printk(KERN_DEBUG "trigger: pointer = 0x%x\n",
352 snd_dma_pointer(chip->dma8, chip->dma_size));
353 #endif
354 snd_es1688_write(chip, 0xb8, (val & 0xf0) | value);
355 spin_unlock(&chip->reg_lock);
356 return 0;
357 }
358
359 static int snd_es1688_hw_params(struct snd_pcm_substream *substream,
360 struct snd_pcm_hw_params *hw_params)
361 {
362 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
363 }
364
365 static int snd_es1688_hw_free(struct snd_pcm_substream *substream)
366 {
367 return snd_pcm_lib_free_pages(substream);
368 }
369
370 static int snd_es1688_playback_prepare(struct snd_pcm_substream *substream)
371 {
372 unsigned long flags;
373 struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
374 struct snd_pcm_runtime *runtime = substream->runtime;
375 unsigned int size = snd_pcm_lib_buffer_bytes(substream);
376 unsigned int count = snd_pcm_lib_period_bytes(substream);
377
378 chip->dma_size = size;
379 spin_lock_irqsave(&chip->reg_lock, flags);
380 snd_es1688_reset(chip);
381 snd_es1688_set_rate(chip, substream);
382 snd_es1688_write(chip, 0xb8, 4); /* auto init DMA mode */
383 snd_es1688_write(chip, 0xa8, (snd_es1688_read(chip, 0xa8) & ~0x03) | (3 - runtime->channels));
384 snd_es1688_write(chip, 0xb9, 2); /* demand mode (4 bytes/request) */
385 if (runtime->channels == 1) {
386 if (snd_pcm_format_width(runtime->format) == 8) {
387 /* 8. bit mono */
388 snd_es1688_write(chip, 0xb6, 0x80);
389 snd_es1688_write(chip, 0xb7, 0x51);
390 snd_es1688_write(chip, 0xb7, 0xd0);
391 } else {
392 /* 16. bit mono */
393 snd_es1688_write(chip, 0xb6, 0x00);
394 snd_es1688_write(chip, 0xb7, 0x71);
395 snd_es1688_write(chip, 0xb7, 0xf4);
396 }
397 } else {
398 if (snd_pcm_format_width(runtime->format) == 8) {
399 /* 8. bit stereo */
400 snd_es1688_write(chip, 0xb6, 0x80);
401 snd_es1688_write(chip, 0xb7, 0x51);
402 snd_es1688_write(chip, 0xb7, 0x98);
403 } else {
404 /* 16. bit stereo */
405 snd_es1688_write(chip, 0xb6, 0x00);
406 snd_es1688_write(chip, 0xb7, 0x71);
407 snd_es1688_write(chip, 0xb7, 0xbc);
408 }
409 }
410 snd_es1688_write(chip, 0xb1, (snd_es1688_read(chip, 0xb1) & 0x0f) | 0x50);
411 snd_es1688_write(chip, 0xb2, (snd_es1688_read(chip, 0xb2) & 0x0f) | 0x50);
412 snd_es1688_dsp_command(chip, ES1688_DSP_CMD_SPKON);
413 spin_unlock_irqrestore(&chip->reg_lock, flags);
414 /* --- */
415 count = -count;
416 snd_dma_program(chip->dma8, runtime->dma_addr, size, DMA_MODE_WRITE | DMA_AUTOINIT);
417 spin_lock_irqsave(&chip->reg_lock, flags);
418 snd_es1688_write(chip, 0xa4, (unsigned char) count);
419 snd_es1688_write(chip, 0xa5, (unsigned char) (count >> 8));
420 spin_unlock_irqrestore(&chip->reg_lock, flags);
421 return 0;
422 }
423
424 static int snd_es1688_playback_trigger(struct snd_pcm_substream *substream,
425 int cmd)
426 {
427 struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
428 return snd_es1688_trigger(chip, cmd, 0x05);
429 }
430
431 static int snd_es1688_capture_prepare(struct snd_pcm_substream *substream)
432 {
433 unsigned long flags;
434 struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
435 struct snd_pcm_runtime *runtime = substream->runtime;
436 unsigned int size = snd_pcm_lib_buffer_bytes(substream);
437 unsigned int count = snd_pcm_lib_period_bytes(substream);
438
439 chip->dma_size = size;
440 spin_lock_irqsave(&chip->reg_lock, flags);
441 snd_es1688_reset(chip);
442 snd_es1688_set_rate(chip, substream);
443 snd_es1688_dsp_command(chip, ES1688_DSP_CMD_SPKOFF);
444 snd_es1688_write(chip, 0xb8, 0x0e); /* auto init DMA mode */
445 snd_es1688_write(chip, 0xa8, (snd_es1688_read(chip, 0xa8) & ~0x03) | (3 - runtime->channels));
446 snd_es1688_write(chip, 0xb9, 2); /* demand mode (4 bytes/request) */
447 if (runtime->channels == 1) {
448 if (snd_pcm_format_width(runtime->format) == 8) {
449 /* 8. bit mono */
450 snd_es1688_write(chip, 0xb7, 0x51);
451 snd_es1688_write(chip, 0xb7, 0xd0);
452 } else {
453 /* 16. bit mono */
454 snd_es1688_write(chip, 0xb7, 0x71);
455 snd_es1688_write(chip, 0xb7, 0xf4);
456 }
457 } else {
458 if (snd_pcm_format_width(runtime->format) == 8) {
459 /* 8. bit stereo */
460 snd_es1688_write(chip, 0xb7, 0x51);
461 snd_es1688_write(chip, 0xb7, 0x98);
462 } else {
463 /* 16. bit stereo */
464 snd_es1688_write(chip, 0xb7, 0x71);
465 snd_es1688_write(chip, 0xb7, 0xbc);
466 }
467 }
468 snd_es1688_write(chip, 0xb1, (snd_es1688_read(chip, 0xb1) & 0x0f) | 0x50);
469 snd_es1688_write(chip, 0xb2, (snd_es1688_read(chip, 0xb2) & 0x0f) | 0x50);
470 spin_unlock_irqrestore(&chip->reg_lock, flags);
471 /* --- */
472 count = -count;
473 snd_dma_program(chip->dma8, runtime->dma_addr, size, DMA_MODE_READ | DMA_AUTOINIT);
474 spin_lock_irqsave(&chip->reg_lock, flags);
475 snd_es1688_write(chip, 0xa4, (unsigned char) count);
476 snd_es1688_write(chip, 0xa5, (unsigned char) (count >> 8));
477 spin_unlock_irqrestore(&chip->reg_lock, flags);
478 return 0;
479 }
480
481 static int snd_es1688_capture_trigger(struct snd_pcm_substream *substream,
482 int cmd)
483 {
484 struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
485 return snd_es1688_trigger(chip, cmd, 0x0f);
486 }
487
488 static irqreturn_t snd_es1688_interrupt(int irq, void *dev_id)
489 {
490 struct snd_es1688 *chip = dev_id;
491
492 if (chip->trigger_value == 0x05) /* ok.. playback is active */
493 snd_pcm_period_elapsed(chip->playback_substream);
494 if (chip->trigger_value == 0x0f) /* ok.. capture is active */
495 snd_pcm_period_elapsed(chip->capture_substream);
496
497 inb(ES1688P(chip, DATA_AVAIL)); /* ack interrupt */
498 return IRQ_HANDLED;
499 }
500
501 static snd_pcm_uframes_t snd_es1688_playback_pointer(struct snd_pcm_substream *substream)
502 {
503 struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
504 size_t ptr;
505
506 if (chip->trigger_value != 0x05)
507 return 0;
508 ptr = snd_dma_pointer(chip->dma8, chip->dma_size);
509 return bytes_to_frames(substream->runtime, ptr);
510 }
511
512 static snd_pcm_uframes_t snd_es1688_capture_pointer(struct snd_pcm_substream *substream)
513 {
514 struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
515 size_t ptr;
516
517 if (chip->trigger_value != 0x0f)
518 return 0;
519 ptr = snd_dma_pointer(chip->dma8, chip->dma_size);
520 return bytes_to_frames(substream->runtime, ptr);
521 }
522
523 /*
524
525 */
526
527 static struct snd_pcm_hardware snd_es1688_playback =
528 {
529 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
530 SNDRV_PCM_INFO_MMAP_VALID),
531 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
532 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
533 .rate_min = 4000,
534 .rate_max = 48000,
535 .channels_min = 1,
536 .channels_max = 2,
537 .buffer_bytes_max = 65536,
538 .period_bytes_min = 64,
539 .period_bytes_max = 65536,
540 .periods_min = 1,
541 .periods_max = 1024,
542 .fifo_size = 0,
543 };
544
545 static struct snd_pcm_hardware snd_es1688_capture =
546 {
547 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
548 SNDRV_PCM_INFO_MMAP_VALID),
549 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
550 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
551 .rate_min = 4000,
552 .rate_max = 48000,
553 .channels_min = 1,
554 .channels_max = 2,
555 .buffer_bytes_max = 65536,
556 .period_bytes_min = 64,
557 .period_bytes_max = 65536,
558 .periods_min = 1,
559 .periods_max = 1024,
560 .fifo_size = 0,
561 };
562
563 /*
564
565 */
566
567 static int snd_es1688_playback_open(struct snd_pcm_substream *substream)
568 {
569 struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
570 struct snd_pcm_runtime *runtime = substream->runtime;
571
572 if (chip->capture_substream != NULL)
573 return -EAGAIN;
574 chip->playback_substream = substream;
575 runtime->hw = snd_es1688_playback;
576 snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
577 &hw_constraints_clocks);
578 return 0;
579 }
580
581 static int snd_es1688_capture_open(struct snd_pcm_substream *substream)
582 {
583 struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
584 struct snd_pcm_runtime *runtime = substream->runtime;
585
586 if (chip->playback_substream != NULL)
587 return -EAGAIN;
588 chip->capture_substream = substream;
589 runtime->hw = snd_es1688_capture;
590 snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
591 &hw_constraints_clocks);
592 return 0;
593 }
594
595 static int snd_es1688_playback_close(struct snd_pcm_substream *substream)
596 {
597 struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
598
599 chip->playback_substream = NULL;
600 return 0;
601 }
602
603 static int snd_es1688_capture_close(struct snd_pcm_substream *substream)
604 {
605 struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
606
607 chip->capture_substream = NULL;
608 return 0;
609 }
610
611 static int snd_es1688_free(struct snd_es1688 *chip)
612 {
613 if (chip->res_port) {
614 snd_es1688_init(chip, 0);
615 release_and_free_resource(chip->res_port);
616 }
617 if (chip->irq >= 0)
618 free_irq(chip->irq, (void *) chip);
619 if (chip->dma8 >= 0) {
620 disable_dma(chip->dma8);
621 free_dma(chip->dma8);
622 }
623 kfree(chip);
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 unsigned long port,
642 unsigned long mpu_port,
643 int irq,
644 int mpu_irq,
645 int dma8,
646 unsigned short hardware,
647 struct snd_es1688 **rchip)
648 {
649 static struct snd_device_ops ops = {
650 .dev_free = snd_es1688_dev_free,
651 };
652
653 struct snd_es1688 *chip;
654 int err;
655
656 *rchip = NULL;
657 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
658 if (chip == NULL)
659 return -ENOMEM;
660 chip->irq = -1;
661 chip->dma8 = -1;
662
663 if ((chip->res_port = request_region(port + 4, 12, "ES1688")) == NULL) {
664 snd_printk(KERN_ERR "es1688: can't grab port 0x%lx\n", port + 4);
665 snd_es1688_free(chip);
666 return -EBUSY;
667 }
668 if (request_irq(irq, snd_es1688_interrupt, IRQF_DISABLED, "ES1688", (void *) chip)) {
669 snd_printk(KERN_ERR "es1688: can't grab IRQ %d\n", irq);
670 snd_es1688_free(chip);
671 return -EBUSY;
672 }
673 chip->irq = irq;
674 if (request_dma(dma8, "ES1688")) {
675 snd_printk(KERN_ERR "es1688: can't grab DMA8 %d\n", dma8);
676 snd_es1688_free(chip);
677 return -EBUSY;
678 }
679 chip->dma8 = dma8;
680
681 spin_lock_init(&chip->reg_lock);
682 spin_lock_init(&chip->mixer_lock);
683 chip->card = card;
684 chip->port = port;
685 mpu_port &= ~0x000f;
686 if (mpu_port < 0x300 || mpu_port > 0x330)
687 mpu_port = 0;
688 chip->mpu_port = mpu_port;
689 chip->mpu_irq = mpu_irq;
690 chip->hardware = hardware;
691
692 if ((err = snd_es1688_probe(chip)) < 0) {
693 snd_es1688_free(chip);
694 return err;
695 }
696 if ((err = snd_es1688_init(chip, 1)) < 0) {
697 snd_es1688_free(chip);
698 return err;
699 }
700
701 /* Register device */
702 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
703 snd_es1688_free(chip);
704 return err;
705 }
706
707 *rchip = chip;
708 return 0;
709 }
710
711 static struct snd_pcm_ops snd_es1688_playback_ops = {
712 .open = snd_es1688_playback_open,
713 .close = snd_es1688_playback_close,
714 .ioctl = snd_es1688_ioctl,
715 .hw_params = snd_es1688_hw_params,
716 .hw_free = snd_es1688_hw_free,
717 .prepare = snd_es1688_playback_prepare,
718 .trigger = snd_es1688_playback_trigger,
719 .pointer = snd_es1688_playback_pointer,
720 };
721
722 static struct snd_pcm_ops snd_es1688_capture_ops = {
723 .open = snd_es1688_capture_open,
724 .close = snd_es1688_capture_close,
725 .ioctl = snd_es1688_ioctl,
726 .hw_params = snd_es1688_hw_params,
727 .hw_free = snd_es1688_hw_free,
728 .prepare = snd_es1688_capture_prepare,
729 .trigger = snd_es1688_capture_trigger,
730 .pointer = snd_es1688_capture_pointer,
731 };
732
733 int snd_es1688_pcm(struct snd_es1688 * chip, int device, struct snd_pcm ** rpcm)
734 {
735 struct snd_pcm *pcm;
736 int err;
737
738 if ((err = snd_pcm_new(chip->card, "ESx688", device, 1, 1, &pcm)) < 0)
739 return err;
740
741 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_es1688_playback_ops);
742 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_es1688_capture_ops);
743
744 pcm->private_data = chip;
745 pcm->info_flags = SNDRV_PCM_INFO_HALF_DUPLEX;
746 sprintf(pcm->name, snd_es1688_chip_id(chip));
747 chip->pcm = pcm;
748
749 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
750 snd_dma_isa_data(),
751 64*1024, 64*1024);
752
753 if (rpcm)
754 *rpcm = pcm;
755 return 0;
756 }
757
758 /*
759 * MIXER part
760 */
761
762 static int snd_es1688_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
763 {
764 static char *texts[9] = {
765 "Mic", "Mic Master", "CD", "AOUT",
766 "Mic1", "Mix", "Line", "Master"
767 };
768
769 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
770 uinfo->count = 1;
771 uinfo->value.enumerated.items = 8;
772 if (uinfo->value.enumerated.item > 7)
773 uinfo->value.enumerated.item = 7;
774 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
775 return 0;
776 }
777
778 static int snd_es1688_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
779 {
780 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol);
781 ucontrol->value.enumerated.item[0] = snd_es1688_mixer_read(chip, ES1688_REC_DEV) & 7;
782 return 0;
783 }
784
785 static int snd_es1688_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
786 {
787 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol);
788 unsigned long flags;
789 unsigned char oval, nval;
790 int change;
791
792 if (ucontrol->value.enumerated.item[0] > 8)
793 return -EINVAL;
794 spin_lock_irqsave(&chip->reg_lock, flags);
795 oval = snd_es1688_mixer_read(chip, ES1688_REC_DEV);
796 nval = (ucontrol->value.enumerated.item[0] & 7) | (oval & ~15);
797 change = nval != oval;
798 if (change)
799 snd_es1688_mixer_write(chip, ES1688_REC_DEV, nval);
800 spin_unlock_irqrestore(&chip->reg_lock, flags);
801 return change;
802 }
803
804 #define ES1688_SINGLE(xname, xindex, reg, shift, mask, invert) \
805 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
806 .info = snd_es1688_info_single, \
807 .get = snd_es1688_get_single, .put = snd_es1688_put_single, \
808 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
809
810 static int snd_es1688_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
811 {
812 int mask = (kcontrol->private_value >> 16) & 0xff;
813
814 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
815 uinfo->count = 1;
816 uinfo->value.integer.min = 0;
817 uinfo->value.integer.max = mask;
818 return 0;
819 }
820
821 static int snd_es1688_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
822 {
823 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol);
824 unsigned long flags;
825 int reg = kcontrol->private_value & 0xff;
826 int shift = (kcontrol->private_value >> 8) & 0xff;
827 int mask = (kcontrol->private_value >> 16) & 0xff;
828 int invert = (kcontrol->private_value >> 24) & 0xff;
829
830 spin_lock_irqsave(&chip->reg_lock, flags);
831 ucontrol->value.integer.value[0] = (snd_es1688_mixer_read(chip, reg) >> shift) & mask;
832 spin_unlock_irqrestore(&chip->reg_lock, flags);
833 if (invert)
834 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
835 return 0;
836 }
837
838 static int snd_es1688_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
839 {
840 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol);
841 unsigned long flags;
842 int reg = kcontrol->private_value & 0xff;
843 int shift = (kcontrol->private_value >> 8) & 0xff;
844 int mask = (kcontrol->private_value >> 16) & 0xff;
845 int invert = (kcontrol->private_value >> 24) & 0xff;
846 int change;
847 unsigned char oval, nval;
848
849 nval = (ucontrol->value.integer.value[0] & mask);
850 if (invert)
851 nval = mask - nval;
852 nval <<= shift;
853 spin_lock_irqsave(&chip->reg_lock, flags);
854 oval = snd_es1688_mixer_read(chip, reg);
855 nval = (oval & ~(mask << shift)) | nval;
856 change = nval != oval;
857 if (change)
858 snd_es1688_mixer_write(chip, reg, nval);
859 spin_unlock_irqrestore(&chip->reg_lock, flags);
860 return change;
861 }
862
863 #define ES1688_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \
864 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
865 .info = snd_es1688_info_double, \
866 .get = snd_es1688_get_double, .put = snd_es1688_put_double, \
867 .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) }
868
869 static int snd_es1688_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
870 {
871 int mask = (kcontrol->private_value >> 24) & 0xff;
872
873 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
874 uinfo->count = 2;
875 uinfo->value.integer.min = 0;
876 uinfo->value.integer.max = mask;
877 return 0;
878 }
879
880 static int snd_es1688_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
881 {
882 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol);
883 unsigned long flags;
884 int left_reg = kcontrol->private_value & 0xff;
885 int right_reg = (kcontrol->private_value >> 8) & 0xff;
886 int shift_left = (kcontrol->private_value >> 16) & 0x07;
887 int shift_right = (kcontrol->private_value >> 19) & 0x07;
888 int mask = (kcontrol->private_value >> 24) & 0xff;
889 int invert = (kcontrol->private_value >> 22) & 1;
890 unsigned char left, right;
891
892 spin_lock_irqsave(&chip->reg_lock, flags);
893 if (left_reg < 0xa0)
894 left = snd_es1688_mixer_read(chip, left_reg);
895 else
896 left = snd_es1688_read(chip, left_reg);
897 if (left_reg != right_reg) {
898 if (right_reg < 0xa0)
899 right = snd_es1688_mixer_read(chip, right_reg);
900 else
901 right = snd_es1688_read(chip, right_reg);
902 } else
903 right = left;
904 spin_unlock_irqrestore(&chip->reg_lock, flags);
905 ucontrol->value.integer.value[0] = (left >> shift_left) & mask;
906 ucontrol->value.integer.value[1] = (right >> shift_right) & mask;
907 if (invert) {
908 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
909 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
910 }
911 return 0;
912 }
913
914 static int snd_es1688_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
915 {
916 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol);
917 unsigned long flags;
918 int left_reg = kcontrol->private_value & 0xff;
919 int right_reg = (kcontrol->private_value >> 8) & 0xff;
920 int shift_left = (kcontrol->private_value >> 16) & 0x07;
921 int shift_right = (kcontrol->private_value >> 19) & 0x07;
922 int mask = (kcontrol->private_value >> 24) & 0xff;
923 int invert = (kcontrol->private_value >> 22) & 1;
924 int change;
925 unsigned char val1, val2, oval1, oval2;
926
927 val1 = ucontrol->value.integer.value[0] & mask;
928 val2 = ucontrol->value.integer.value[1] & mask;
929 if (invert) {
930 val1 = mask - val1;
931 val2 = mask - val2;
932 }
933 val1 <<= shift_left;
934 val2 <<= shift_right;
935 spin_lock_irqsave(&chip->reg_lock, flags);
936 if (left_reg != right_reg) {
937 if (left_reg < 0xa0)
938 oval1 = snd_es1688_mixer_read(chip, left_reg);
939 else
940 oval1 = snd_es1688_read(chip, left_reg);
941 if (right_reg < 0xa0)
942 oval2 = snd_es1688_mixer_read(chip, right_reg);
943 else
944 oval2 = snd_es1688_read(chip, right_reg);
945 val1 = (oval1 & ~(mask << shift_left)) | val1;
946 val2 = (oval2 & ~(mask << shift_right)) | val2;
947 change = val1 != oval1 || val2 != oval2;
948 if (change) {
949 if (left_reg < 0xa0)
950 snd_es1688_mixer_write(chip, left_reg, val1);
951 else
952 snd_es1688_write(chip, left_reg, val1);
953 if (right_reg < 0xa0)
954 snd_es1688_mixer_write(chip, right_reg, val1);
955 else
956 snd_es1688_write(chip, right_reg, val1);
957 }
958 } else {
959 if (left_reg < 0xa0)
960 oval1 = snd_es1688_mixer_read(chip, left_reg);
961 else
962 oval1 = snd_es1688_read(chip, left_reg);
963 val1 = (oval1 & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2;
964 change = val1 != oval1;
965 if (change) {
966 if (left_reg < 0xa0)
967 snd_es1688_mixer_write(chip, left_reg, val1);
968 else
969 snd_es1688_write(chip, left_reg, val1);
970 }
971
972 }
973 spin_unlock_irqrestore(&chip->reg_lock, flags);
974 return change;
975 }
976
977 static struct snd_kcontrol_new snd_es1688_controls[] = {
978 ES1688_DOUBLE("Master Playback Volume", 0, ES1688_MASTER_DEV, ES1688_MASTER_DEV, 4, 0, 15, 0),
979 ES1688_DOUBLE("PCM Playback Volume", 0, ES1688_PCM_DEV, ES1688_PCM_DEV, 4, 0, 15, 0),
980 ES1688_DOUBLE("Line Playback Volume", 0, ES1688_LINE_DEV, ES1688_LINE_DEV, 4, 0, 15, 0),
981 ES1688_DOUBLE("CD Playback Volume", 0, ES1688_CD_DEV, ES1688_CD_DEV, 4, 0, 15, 0),
982 ES1688_DOUBLE("FM Playback Volume", 0, ES1688_FM_DEV, ES1688_FM_DEV, 4, 0, 15, 0),
983 ES1688_DOUBLE("Mic Playback Volume", 0, ES1688_MIC_DEV, ES1688_MIC_DEV, 4, 0, 15, 0),
984 ES1688_DOUBLE("Aux Playback Volume", 0, ES1688_AUX_DEV, ES1688_AUX_DEV, 4, 0, 15, 0),
985 ES1688_SINGLE("PC Speaker Playback Volume", 0, ES1688_SPEAKER_DEV, 0, 7, 0),
986 ES1688_DOUBLE("Capture Volume", 0, ES1688_RECLEV_DEV, ES1688_RECLEV_DEV, 4, 0, 15, 0),
987 ES1688_SINGLE("Capture Switch", 0, ES1688_REC_DEV, 4, 1, 1),
988 {
989 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
990 .name = "Capture Source",
991 .info = snd_es1688_info_mux,
992 .get = snd_es1688_get_mux,
993 .put = snd_es1688_put_mux,
994 },
995 };
996
997 #define ES1688_INIT_TABLE_SIZE (sizeof(snd_es1688_init_table)/2)
998
999 static unsigned char snd_es1688_init_table[][2] = {
1000 { ES1688_MASTER_DEV, 0 },
1001 { ES1688_PCM_DEV, 0 },
1002 { ES1688_LINE_DEV, 0 },
1003 { ES1688_CD_DEV, 0 },
1004 { ES1688_FM_DEV, 0 },
1005 { ES1688_MIC_DEV, 0 },
1006 { ES1688_AUX_DEV, 0 },
1007 { ES1688_SPEAKER_DEV, 0 },
1008 { ES1688_RECLEV_DEV, 0 },
1009 { ES1688_REC_DEV, 0x17 }
1010 };
1011
1012 int snd_es1688_mixer(struct snd_es1688 *chip)
1013 {
1014 struct snd_card *card;
1015 unsigned int idx;
1016 int err;
1017 unsigned char reg, val;
1018
1019 if (snd_BUG_ON(!chip || !chip->card))
1020 return -EINVAL;
1021
1022 card = chip->card;
1023
1024 strcpy(card->mixername, snd_es1688_chip_id(chip));
1025
1026 for (idx = 0; idx < ARRAY_SIZE(snd_es1688_controls); idx++) {
1027 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_es1688_controls[idx], chip))) < 0)
1028 return err;
1029 }
1030 for (idx = 0; idx < ES1688_INIT_TABLE_SIZE; idx++) {
1031 reg = snd_es1688_init_table[idx][0];
1032 val = snd_es1688_init_table[idx][1];
1033 if (reg < 0xa0)
1034 snd_es1688_mixer_write(chip, reg, val);
1035 else
1036 snd_es1688_write(chip, reg, val);
1037 }
1038 return 0;
1039 }
1040
1041 EXPORT_SYMBOL(snd_es1688_mixer_write);
1042 EXPORT_SYMBOL(snd_es1688_create);
1043 EXPORT_SYMBOL(snd_es1688_pcm);
1044 EXPORT_SYMBOL(snd_es1688_mixer);
1045
1046 /*
1047 * INIT part
1048 */
1049
1050 static int __init alsa_es1688_init(void)
1051 {
1052 return 0;
1053 }
1054
1055 static void __exit alsa_es1688_exit(void)
1056 {
1057 }
1058
1059 module_init(alsa_es1688_init)
1060 module_exit(alsa_es1688_exit)
Linux with added FPC-III support