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staging: rtl8192u: remove redundant assignment to pointer crypt
[linux/fpc-iii.git] / sound / isa / es1688 / es1688_lib.c
bloba28dabaae0d3399f6587b010613c9352dd69fd93
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
4 * Routines for control of ESS ES1688/688/488 chip
5 */
6
7 #include <linux/init.h>
8 #include <linux/interrupt.h>
9 #include <linux/delay.h>
10 #include <linux/slab.h>
11 #include <linux/ioport.h>
12 #include <linux/module.h>
13 #include <linux/io.h>
14 #include <sound/core.h>
15 #include <sound/es1688.h>
16 #include <sound/initval.h>
17
18 #include <asm/dma.h>
19
20 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
21 MODULE_DESCRIPTION("ESS ESx688 lowlevel module");
22 MODULE_LICENSE("GPL");
23
24 static int snd_es1688_dsp_command(struct snd_es1688 *chip, unsigned char val)
25 {
26 int i;
27
28 for (i = 10000; i; i--)
29 if ((inb(ES1688P(chip, STATUS)) & 0x80) == 0) {
30 outb(val, ES1688P(chip, COMMAND));
31 return 1;
32 }
33 #ifdef CONFIG_SND_DEBUG
34 printk(KERN_DEBUG "snd_es1688_dsp_command: timeout (0x%x)\n", val);
35 #endif
36 return 0;
37 }
38
39 static int snd_es1688_dsp_get_byte(struct snd_es1688 *chip)
40 {
41 int i;
42
43 for (i = 1000; i; i--)
44 if (inb(ES1688P(chip, DATA_AVAIL)) & 0x80)
45 return inb(ES1688P(chip, READ));
46 snd_printd("es1688 get byte failed: 0x%lx = 0x%x!!!\n", ES1688P(chip, DATA_AVAIL), inb(ES1688P(chip, DATA_AVAIL)));
47 return -ENODEV;
48 }
49
50 static int snd_es1688_write(struct snd_es1688 *chip,
51 unsigned char reg, unsigned char data)
52 {
53 if (!snd_es1688_dsp_command(chip, reg))
54 return 0;
55 return snd_es1688_dsp_command(chip, data);
56 }
57
58 static int snd_es1688_read(struct snd_es1688 *chip, unsigned char reg)
59 {
60 /* Read a byte from an extended mode register of ES1688 */
61 if (!snd_es1688_dsp_command(chip, 0xc0))
62 return -1;
63 if (!snd_es1688_dsp_command(chip, reg))
64 return -1;
65 return snd_es1688_dsp_get_byte(chip);
66 }
67
68 void snd_es1688_mixer_write(struct snd_es1688 *chip,
69 unsigned char reg, unsigned char data)
70 {
71 outb(reg, ES1688P(chip, MIXER_ADDR));
72 udelay(10);
73 outb(data, ES1688P(chip, MIXER_DATA));
74 udelay(10);
75 }
76
77 static unsigned char snd_es1688_mixer_read(struct snd_es1688 *chip, unsigned char reg)
78 {
79 unsigned char result;
80
81 outb(reg, ES1688P(chip, MIXER_ADDR));
82 udelay(10);
83 result = inb(ES1688P(chip, MIXER_DATA));
84 udelay(10);
85 return result;
86 }
87
88 int snd_es1688_reset(struct snd_es1688 *chip)
89 {
90 int i;
91
92 outb(3, ES1688P(chip, RESET)); /* valid only for ESS chips, SB -> 1 */
93 udelay(10);
94 outb(0, ES1688P(chip, RESET));
95 udelay(30);
96 for (i = 0; i < 1000 && !(inb(ES1688P(chip, DATA_AVAIL)) & 0x80); i++);
97 if (inb(ES1688P(chip, READ)) != 0xaa) {
98 snd_printd("ess_reset at 0x%lx: failed!!!\n", chip->port);
99 return -ENODEV;
100 }
101 snd_es1688_dsp_command(chip, 0xc6); /* enable extended mode */
102 return 0;
103 }
104 EXPORT_SYMBOL(snd_es1688_reset);
105
106 static int snd_es1688_probe(struct snd_es1688 *chip)
107 {
108 unsigned long flags;
109 unsigned short major, minor;
110 int i;
111
112 /*
113 * initialization sequence
114 */
115
116 spin_lock_irqsave(&chip->reg_lock, flags); /* Some ESS1688 cards need this */
117 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */
118 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */
119 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */
120 inb(ES1688P(chip, ENABLE2)); /* ENABLE2 */
121 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */
122 inb(ES1688P(chip, ENABLE2)); /* ENABLE2 */
123 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */
124 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */
125 inb(ES1688P(chip, ENABLE2)); /* ENABLE2 */
126 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */
127 inb(ES1688P(chip, ENABLE0)); /* ENABLE0 */
128
129 if (snd_es1688_reset(chip) < 0) {
130 snd_printdd("ESS: [0x%lx] reset failed... 0x%x\n", chip->port, inb(ES1688P(chip, READ)));
131 spin_unlock_irqrestore(&chip->reg_lock, flags);
132 return -ENODEV;
133 }
134 snd_es1688_dsp_command(chip, 0xe7); /* return identification */
135
136 for (i = 1000, major = minor = 0; i; i--) {
137 if (inb(ES1688P(chip, DATA_AVAIL)) & 0x80) {
138 if (major == 0) {
139 major = inb(ES1688P(chip, READ));
140 } else {
141 minor = inb(ES1688P(chip, READ));
142 }
143 }
144 }
145
146 spin_unlock_irqrestore(&chip->reg_lock, flags);
147
148 snd_printdd("ESS: [0x%lx] found.. major = 0x%x, minor = 0x%x\n", chip->port, major, minor);
149
150 chip->version = (major << 8) | minor;
151 if (!chip->version)
152 return -ENODEV; /* probably SB */
153
154 switch (chip->version & 0xfff0) {
155 case 0x4880:
156 snd_printk(KERN_ERR "[0x%lx] ESS: AudioDrive ES488 detected, "
157 "but driver is in another place\n", chip->port);
158 return -ENODEV;
159 case 0x6880:
160 break;
161 default:
162 snd_printk(KERN_ERR "[0x%lx] ESS: unknown AudioDrive chip "
163 "with version 0x%x (Jazz16 soundcard?)\n",
164 chip->port, chip->version);
165 return -ENODEV;
166 }
167
168 spin_lock_irqsave(&chip->reg_lock, flags);
169 snd_es1688_write(chip, 0xb1, 0x10); /* disable IRQ */
170 snd_es1688_write(chip, 0xb2, 0x00); /* disable DMA */
171 spin_unlock_irqrestore(&chip->reg_lock, flags);
172
173 /* enable joystick, but disable OPL3 */
174 spin_lock_irqsave(&chip->mixer_lock, flags);
175 snd_es1688_mixer_write(chip, 0x40, 0x01);
176 spin_unlock_irqrestore(&chip->mixer_lock, flags);
177
178 return 0;
179 }
180
181 static int snd_es1688_init(struct snd_es1688 * chip, int enable)
182 {
183 static int irqs[16] = {-1, -1, 0, -1, -1, 1, -1, 2, -1, 0, 3, -1, -1, -1, -1, -1};
184 unsigned long flags;
185 int cfg, irq_bits, dma, dma_bits, tmp, tmp1;
186
187 /* ok.. setup MPU-401 port and joystick and OPL3 */
188 cfg = 0x01; /* enable joystick, but disable OPL3 */
189 if (enable && chip->mpu_port >= 0x300 && chip->mpu_irq > 0 && chip->hardware != ES1688_HW_688) {
190 tmp = (chip->mpu_port & 0x0f0) >> 4;
191 if (tmp <= 3) {
192 switch (chip->mpu_irq) {
193 case 9:
194 tmp1 = 4;
195 break;
196 case 5:
197 tmp1 = 5;
198 break;
199 case 7:
200 tmp1 = 6;
201 break;
202 case 10:
203 tmp1 = 7;
204 break;
205 default:
206 tmp1 = 0;
207 }
208 if (tmp1) {
209 cfg |= (tmp << 3) | (tmp1 << 5);
210 }
211 }
212 }
213 #if 0
214 snd_printk(KERN_DEBUG "mpu cfg = 0x%x\n", cfg);
215 #endif
216 spin_lock_irqsave(&chip->reg_lock, flags);
217 snd_es1688_mixer_write(chip, 0x40, cfg);
218 spin_unlock_irqrestore(&chip->reg_lock, flags);
219 /* --- */
220 spin_lock_irqsave(&chip->reg_lock, flags);
221 snd_es1688_read(chip, 0xb1);
222 snd_es1688_read(chip, 0xb2);
223 spin_unlock_irqrestore(&chip->reg_lock, flags);
224 if (enable) {
225 cfg = 0xf0; /* enable only DMA counter interrupt */
226 irq_bits = irqs[chip->irq & 0x0f];
227 if (irq_bits < 0) {
228 snd_printk(KERN_ERR "[0x%lx] ESS: bad IRQ %d "
229 "for ES1688 chip!!\n",
230 chip->port, chip->irq);
231 #if 0
232 irq_bits = 0;
233 cfg = 0x10;
234 #endif
235 return -EINVAL;
236 }
237 spin_lock_irqsave(&chip->reg_lock, flags);
238 snd_es1688_write(chip, 0xb1, cfg | (irq_bits << 2));
239 spin_unlock_irqrestore(&chip->reg_lock, flags);
240 cfg = 0xf0; /* extended mode DMA enable */
241 dma = chip->dma8;
242 if (dma > 3 || dma == 2) {
243 snd_printk(KERN_ERR "[0x%lx] ESS: bad DMA channel %d "
244 "for ES1688 chip!!\n", chip->port, dma);
245 #if 0
246 dma_bits = 0;
247 cfg = 0x00; /* disable all DMA */
248 #endif
249 return -EINVAL;
250 } else {
251 dma_bits = dma;
252 if (dma != 3)
253 dma_bits++;
254 }
255 spin_lock_irqsave(&chip->reg_lock, flags);
256 snd_es1688_write(chip, 0xb2, cfg | (dma_bits << 2));
257 spin_unlock_irqrestore(&chip->reg_lock, flags);
258 } else {
259 spin_lock_irqsave(&chip->reg_lock, flags);
260 snd_es1688_write(chip, 0xb1, 0x10); /* disable IRQ */
261 snd_es1688_write(chip, 0xb2, 0x00); /* disable DMA */
262 spin_unlock_irqrestore(&chip->reg_lock, flags);
263 }
264 spin_lock_irqsave(&chip->reg_lock, flags);
265 snd_es1688_read(chip, 0xb1);
266 snd_es1688_read(chip, 0xb2);
267 snd_es1688_reset(chip);
268 spin_unlock_irqrestore(&chip->reg_lock, flags);
269 return 0;
270 }
271
272 /*
273
274 */
275
276 static const struct snd_ratnum clocks[2] = {
277 {
278 .num = 795444,
279 .den_min = 1,
280 .den_max = 128,
281 .den_step = 1,
282 },
283 {
284 .num = 397722,
285 .den_min = 1,
286 .den_max = 128,
287 .den_step = 1,
288 }
289 };
290
291 static const struct snd_pcm_hw_constraint_ratnums hw_constraints_clocks = {
292 .nrats = 2,
293 .rats = clocks,
294 };
295
296 static void snd_es1688_set_rate(struct snd_es1688 *chip, struct snd_pcm_substream *substream)
297 {
298 struct snd_pcm_runtime *runtime = substream->runtime;
299 unsigned int bits, divider;
300
301 if (runtime->rate_num == clocks[0].num)
302 bits = 256 - runtime->rate_den;
303 else
304 bits = 128 - runtime->rate_den;
305 /* set filter register */
306 divider = 256 - 7160000*20/(8*82*runtime->rate);
307 /* write result to hardware */
308 snd_es1688_write(chip, 0xa1, bits);
309 snd_es1688_write(chip, 0xa2, divider);
310 }
311
312 static int snd_es1688_ioctl(struct snd_pcm_substream *substream,
313 unsigned int cmd, void *arg)
314 {
315 return snd_pcm_lib_ioctl(substream, cmd, arg);
316 }
317
318 static int snd_es1688_trigger(struct snd_es1688 *chip, int cmd, unsigned char value)
319 {
320 int val;
321
322 if (cmd == SNDRV_PCM_TRIGGER_STOP) {
323 value = 0x00;
324 } else if (cmd != SNDRV_PCM_TRIGGER_START) {
325 return -EINVAL;
326 }
327 spin_lock(&chip->reg_lock);
328 chip->trigger_value = value;
329 val = snd_es1688_read(chip, 0xb8);
330 if ((val < 0) || (val & 0x0f) == value) {
331 spin_unlock(&chip->reg_lock);
332 return -EINVAL; /* something is wrong */
333 }
334 #if 0
335 printk(KERN_DEBUG "trigger: val = 0x%x, value = 0x%x\n", val, value);
336 printk(KERN_DEBUG "trigger: pointer = 0x%x\n",
337 snd_dma_pointer(chip->dma8, chip->dma_size));
338 #endif
339 snd_es1688_write(chip, 0xb8, (val & 0xf0) | value);
340 spin_unlock(&chip->reg_lock);
341 return 0;
342 }
343
344 static int snd_es1688_hw_params(struct snd_pcm_substream *substream,
345 struct snd_pcm_hw_params *hw_params)
346 {
347 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
348 }
349
350 static int snd_es1688_hw_free(struct snd_pcm_substream *substream)
351 {
352 return snd_pcm_lib_free_pages(substream);
353 }
354
355 static int snd_es1688_playback_prepare(struct snd_pcm_substream *substream)
356 {
357 unsigned long flags;
358 struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
359 struct snd_pcm_runtime *runtime = substream->runtime;
360 unsigned int size = snd_pcm_lib_buffer_bytes(substream);
361 unsigned int count = snd_pcm_lib_period_bytes(substream);
362
363 chip->dma_size = size;
364 spin_lock_irqsave(&chip->reg_lock, flags);
365 snd_es1688_reset(chip);
366 snd_es1688_set_rate(chip, substream);
367 snd_es1688_write(chip, 0xb8, 4); /* auto init DMA mode */
368 snd_es1688_write(chip, 0xa8, (snd_es1688_read(chip, 0xa8) & ~0x03) | (3 - runtime->channels));
369 snd_es1688_write(chip, 0xb9, 2); /* demand mode (4 bytes/request) */
370 if (runtime->channels == 1) {
371 if (snd_pcm_format_width(runtime->format) == 8) {
372 /* 8. bit mono */
373 snd_es1688_write(chip, 0xb6, 0x80);
374 snd_es1688_write(chip, 0xb7, 0x51);
375 snd_es1688_write(chip, 0xb7, 0xd0);
376 } else {
377 /* 16. bit mono */
378 snd_es1688_write(chip, 0xb6, 0x00);
379 snd_es1688_write(chip, 0xb7, 0x71);
380 snd_es1688_write(chip, 0xb7, 0xf4);
381 }
382 } else {
383 if (snd_pcm_format_width(runtime->format) == 8) {
384 /* 8. bit stereo */
385 snd_es1688_write(chip, 0xb6, 0x80);
386 snd_es1688_write(chip, 0xb7, 0x51);
387 snd_es1688_write(chip, 0xb7, 0x98);
388 } else {
389 /* 16. bit stereo */
390 snd_es1688_write(chip, 0xb6, 0x00);
391 snd_es1688_write(chip, 0xb7, 0x71);
392 snd_es1688_write(chip, 0xb7, 0xbc);
393 }
394 }
395 snd_es1688_write(chip, 0xb1, (snd_es1688_read(chip, 0xb1) & 0x0f) | 0x50);
396 snd_es1688_write(chip, 0xb2, (snd_es1688_read(chip, 0xb2) & 0x0f) | 0x50);
397 snd_es1688_dsp_command(chip, ES1688_DSP_CMD_SPKON);
398 spin_unlock_irqrestore(&chip->reg_lock, flags);
399 /* --- */
400 count = -count;
401 snd_dma_program(chip->dma8, runtime->dma_addr, size, DMA_MODE_WRITE | DMA_AUTOINIT);
402 spin_lock_irqsave(&chip->reg_lock, flags);
403 snd_es1688_write(chip, 0xa4, (unsigned char) count);
404 snd_es1688_write(chip, 0xa5, (unsigned char) (count >> 8));
405 spin_unlock_irqrestore(&chip->reg_lock, flags);
406 return 0;
407 }
408
409 static int snd_es1688_playback_trigger(struct snd_pcm_substream *substream,
410 int cmd)
411 {
412 struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
413 return snd_es1688_trigger(chip, cmd, 0x05);
414 }
415
416 static int snd_es1688_capture_prepare(struct snd_pcm_substream *substream)
417 {
418 unsigned long flags;
419 struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
420 struct snd_pcm_runtime *runtime = substream->runtime;
421 unsigned int size = snd_pcm_lib_buffer_bytes(substream);
422 unsigned int count = snd_pcm_lib_period_bytes(substream);
423
424 chip->dma_size = size;
425 spin_lock_irqsave(&chip->reg_lock, flags);
426 snd_es1688_reset(chip);
427 snd_es1688_set_rate(chip, substream);
428 snd_es1688_dsp_command(chip, ES1688_DSP_CMD_SPKOFF);
429 snd_es1688_write(chip, 0xb8, 0x0e); /* auto init DMA mode */
430 snd_es1688_write(chip, 0xa8, (snd_es1688_read(chip, 0xa8) & ~0x03) | (3 - runtime->channels));
431 snd_es1688_write(chip, 0xb9, 2); /* demand mode (4 bytes/request) */
432 if (runtime->channels == 1) {
433 if (snd_pcm_format_width(runtime->format) == 8) {
434 /* 8. bit mono */
435 snd_es1688_write(chip, 0xb7, 0x51);
436 snd_es1688_write(chip, 0xb7, 0xd0);
437 } else {
438 /* 16. bit mono */
439 snd_es1688_write(chip, 0xb7, 0x71);
440 snd_es1688_write(chip, 0xb7, 0xf4);
441 }
442 } else {
443 if (snd_pcm_format_width(runtime->format) == 8) {
444 /* 8. bit stereo */
445 snd_es1688_write(chip, 0xb7, 0x51);
446 snd_es1688_write(chip, 0xb7, 0x98);
447 } else {
448 /* 16. bit stereo */
449 snd_es1688_write(chip, 0xb7, 0x71);
450 snd_es1688_write(chip, 0xb7, 0xbc);
451 }
452 }
453 snd_es1688_write(chip, 0xb1, (snd_es1688_read(chip, 0xb1) & 0x0f) | 0x50);
454 snd_es1688_write(chip, 0xb2, (snd_es1688_read(chip, 0xb2) & 0x0f) | 0x50);
455 spin_unlock_irqrestore(&chip->reg_lock, flags);
456 /* --- */
457 count = -count;
458 snd_dma_program(chip->dma8, runtime->dma_addr, size, DMA_MODE_READ | DMA_AUTOINIT);
459 spin_lock_irqsave(&chip->reg_lock, flags);
460 snd_es1688_write(chip, 0xa4, (unsigned char) count);
461 snd_es1688_write(chip, 0xa5, (unsigned char) (count >> 8));
462 spin_unlock_irqrestore(&chip->reg_lock, flags);
463 return 0;
464 }
465
466 static int snd_es1688_capture_trigger(struct snd_pcm_substream *substream,
467 int cmd)
468 {
469 struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
470 return snd_es1688_trigger(chip, cmd, 0x0f);
471 }
472
473 static irqreturn_t snd_es1688_interrupt(int irq, void *dev_id)
474 {
475 struct snd_es1688 *chip = dev_id;
476
477 if (chip->trigger_value == 0x05) /* ok.. playback is active */
478 snd_pcm_period_elapsed(chip->playback_substream);
479 if (chip->trigger_value == 0x0f) /* ok.. capture is active */
480 snd_pcm_period_elapsed(chip->capture_substream);
481
482 inb(ES1688P(chip, DATA_AVAIL)); /* ack interrupt */
483 return IRQ_HANDLED;
484 }
485
486 static snd_pcm_uframes_t snd_es1688_playback_pointer(struct snd_pcm_substream *substream)
487 {
488 struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
489 size_t ptr;
490
491 if (chip->trigger_value != 0x05)
492 return 0;
493 ptr = snd_dma_pointer(chip->dma8, chip->dma_size);
494 return bytes_to_frames(substream->runtime, ptr);
495 }
496
497 static snd_pcm_uframes_t snd_es1688_capture_pointer(struct snd_pcm_substream *substream)
498 {
499 struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
500 size_t ptr;
501
502 if (chip->trigger_value != 0x0f)
503 return 0;
504 ptr = snd_dma_pointer(chip->dma8, chip->dma_size);
505 return bytes_to_frames(substream->runtime, ptr);
506 }
507
508 /*
509
510 */
511
512 static const struct snd_pcm_hardware snd_es1688_playback =
513 {
514 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
515 SNDRV_PCM_INFO_MMAP_VALID),
516 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
517 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
518 .rate_min = 4000,
519 .rate_max = 48000,
520 .channels_min = 1,
521 .channels_max = 2,
522 .buffer_bytes_max = 65536,
523 .period_bytes_min = 64,
524 .period_bytes_max = 65536,
525 .periods_min = 1,
526 .periods_max = 1024,
527 .fifo_size = 0,
528 };
529
530 static const struct snd_pcm_hardware snd_es1688_capture =
531 {
532 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
533 SNDRV_PCM_INFO_MMAP_VALID),
534 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
535 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
536 .rate_min = 4000,
537 .rate_max = 48000,
538 .channels_min = 1,
539 .channels_max = 2,
540 .buffer_bytes_max = 65536,
541 .period_bytes_min = 64,
542 .period_bytes_max = 65536,
543 .periods_min = 1,
544 .periods_max = 1024,
545 .fifo_size = 0,
546 };
547
548 /*
549
550 */
551
552 static int snd_es1688_playback_open(struct snd_pcm_substream *substream)
553 {
554 struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
555 struct snd_pcm_runtime *runtime = substream->runtime;
556
557 if (chip->capture_substream != NULL)
558 return -EAGAIN;
559 chip->playback_substream = substream;
560 runtime->hw = snd_es1688_playback;
561 snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
562 &hw_constraints_clocks);
563 return 0;
564 }
565
566 static int snd_es1688_capture_open(struct snd_pcm_substream *substream)
567 {
568 struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
569 struct snd_pcm_runtime *runtime = substream->runtime;
570
571 if (chip->playback_substream != NULL)
572 return -EAGAIN;
573 chip->capture_substream = substream;
574 runtime->hw = snd_es1688_capture;
575 snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
576 &hw_constraints_clocks);
577 return 0;
578 }
579
580 static int snd_es1688_playback_close(struct snd_pcm_substream *substream)
581 {
582 struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
583
584 chip->playback_substream = NULL;
585 return 0;
586 }
587
588 static int snd_es1688_capture_close(struct snd_pcm_substream *substream)
589 {
590 struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
591
592 chip->capture_substream = NULL;
593 return 0;
594 }
595
596 static int snd_es1688_free(struct snd_es1688 *chip)
597 {
598 if (chip->hardware != ES1688_HW_UNDEF)
599 snd_es1688_init(chip, 0);
600 release_and_free_resource(chip->res_port);
601 if (chip->irq >= 0)
602 free_irq(chip->irq, (void *) chip);
603 if (chip->dma8 >= 0) {
604 disable_dma(chip->dma8);
605 free_dma(chip->dma8);
606 }
607 return 0;
608 }
609
610 static int snd_es1688_dev_free(struct snd_device *device)
611 {
612 struct snd_es1688 *chip = device->device_data;
613 return snd_es1688_free(chip);
614 }
615
616 static const char *snd_es1688_chip_id(struct snd_es1688 *chip)
617 {
618 static char tmp[16];
619 sprintf(tmp, "ES%s688 rev %i", chip->hardware == ES1688_HW_688 ? "" : "1", chip->version & 0x0f);
620 return tmp;
621 }
622
623 int snd_es1688_create(struct snd_card *card,
624 struct snd_es1688 *chip,
625 unsigned long port,
626 unsigned long mpu_port,
627 int irq,
628 int mpu_irq,
629 int dma8,
630 unsigned short hardware)
631 {
632 static struct snd_device_ops ops = {
633 .dev_free = snd_es1688_dev_free,
634 };
635
636 int err;
637
638 if (chip == NULL)
639 return -ENOMEM;
640 chip->irq = -1;
641 chip->dma8 = -1;
642 chip->hardware = ES1688_HW_UNDEF;
643
644 chip->res_port = request_region(port + 4, 12, "ES1688");
645 if (chip->res_port == NULL) {
646 snd_printk(KERN_ERR "es1688: can't grab port 0x%lx\n", port + 4);
647 err = -EBUSY;
648 goto exit;
649 }
650
651 err = request_irq(irq, snd_es1688_interrupt, 0, "ES1688", (void *) chip);
652 if (err < 0) {
653 snd_printk(KERN_ERR "es1688: can't grab IRQ %d\n", irq);
654 goto exit;
655 }
656
657 chip->irq = irq;
658 err = request_dma(dma8, "ES1688");
659
660 if (err < 0) {
661 snd_printk(KERN_ERR "es1688: can't grab DMA8 %d\n", dma8);
662 goto exit;
663 }
664 chip->dma8 = dma8;
665
666 spin_lock_init(&chip->reg_lock);
667 spin_lock_init(&chip->mixer_lock);
668 chip->port = port;
669 mpu_port &= ~0x000f;
670 if (mpu_port < 0x300 || mpu_port > 0x330)
671 mpu_port = 0;
672 chip->mpu_port = mpu_port;
673 chip->mpu_irq = mpu_irq;
674 chip->hardware = hardware;
675
676 err = snd_es1688_probe(chip);
677 if (err < 0)
678 goto exit;
679
680 err = snd_es1688_init(chip, 1);
681 if (err < 0)
682 goto exit;
683
684 /* Register device */
685 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
686 exit:
687 if (err)
688 snd_es1688_free(chip);
689 return err;
690 }
691
692 static const struct snd_pcm_ops snd_es1688_playback_ops = {
693 .open = snd_es1688_playback_open,
694 .close = snd_es1688_playback_close,
695 .ioctl = snd_es1688_ioctl,
696 .hw_params = snd_es1688_hw_params,
697 .hw_free = snd_es1688_hw_free,
698 .prepare = snd_es1688_playback_prepare,
699 .trigger = snd_es1688_playback_trigger,
700 .pointer = snd_es1688_playback_pointer,
701 };
702
703 static const struct snd_pcm_ops snd_es1688_capture_ops = {
704 .open = snd_es1688_capture_open,
705 .close = snd_es1688_capture_close,
706 .ioctl = snd_es1688_ioctl,
707 .hw_params = snd_es1688_hw_params,
708 .hw_free = snd_es1688_hw_free,
709 .prepare = snd_es1688_capture_prepare,
710 .trigger = snd_es1688_capture_trigger,
711 .pointer = snd_es1688_capture_pointer,
712 };
713
714 int snd_es1688_pcm(struct snd_card *card, struct snd_es1688 *chip, int device)
715 {
716 struct snd_pcm *pcm;
717 int err;
718
719 err = snd_pcm_new(card, "ESx688", device, 1, 1, &pcm);
720 if (err < 0)
721 return err;
722
723 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_es1688_playback_ops);
724 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_es1688_capture_ops);
725
726 pcm->private_data = chip;
727 pcm->info_flags = SNDRV_PCM_INFO_HALF_DUPLEX;
728 strcpy(pcm->name, snd_es1688_chip_id(chip));
729 chip->pcm = pcm;
730
731 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
732 card->dev,
733 64*1024, 64*1024);
734 return 0;
735 }
736
737 /*
738 * MIXER part
739 */
740
741 static int snd_es1688_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
742 {
743 static const char * const texts[8] = {
744 "Mic", "Mic Master", "CD", "AOUT",
745 "Mic1", "Mix", "Line", "Master"
746 };
747
748 return snd_ctl_enum_info(uinfo, 1, 8, texts);
749 }
750
751 static int snd_es1688_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
752 {
753 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol);
754 ucontrol->value.enumerated.item[0] = snd_es1688_mixer_read(chip, ES1688_REC_DEV) & 7;
755 return 0;
756 }
757
758 static int snd_es1688_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
759 {
760 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol);
761 unsigned long flags;
762 unsigned char oval, nval;
763 int change;
764
765 if (ucontrol->value.enumerated.item[0] > 8)
766 return -EINVAL;
767 spin_lock_irqsave(&chip->reg_lock, flags);
768 oval = snd_es1688_mixer_read(chip, ES1688_REC_DEV);
769 nval = (ucontrol->value.enumerated.item[0] & 7) | (oval & ~15);
770 change = nval != oval;
771 if (change)
772 snd_es1688_mixer_write(chip, ES1688_REC_DEV, nval);
773 spin_unlock_irqrestore(&chip->reg_lock, flags);
774 return change;
775 }
776
777 #define ES1688_SINGLE(xname, xindex, reg, shift, mask, invert) \
778 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
779 .info = snd_es1688_info_single, \
780 .get = snd_es1688_get_single, .put = snd_es1688_put_single, \
781 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
782
783 static int snd_es1688_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
784 {
785 int mask = (kcontrol->private_value >> 16) & 0xff;
786
787 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
788 uinfo->count = 1;
789 uinfo->value.integer.min = 0;
790 uinfo->value.integer.max = mask;
791 return 0;
792 }
793
794 static int snd_es1688_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
795 {
796 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol);
797 unsigned long flags;
798 int reg = kcontrol->private_value & 0xff;
799 int shift = (kcontrol->private_value >> 8) & 0xff;
800 int mask = (kcontrol->private_value >> 16) & 0xff;
801 int invert = (kcontrol->private_value >> 24) & 0xff;
802
803 spin_lock_irqsave(&chip->reg_lock, flags);
804 ucontrol->value.integer.value[0] = (snd_es1688_mixer_read(chip, reg) >> shift) & mask;
805 spin_unlock_irqrestore(&chip->reg_lock, flags);
806 if (invert)
807 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
808 return 0;
809 }
810
811 static int snd_es1688_put_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 int change;
820 unsigned char oval, nval;
821
822 nval = (ucontrol->value.integer.value[0] & mask);
823 if (invert)
824 nval = mask - nval;
825 nval <<= shift;
826 spin_lock_irqsave(&chip->reg_lock, flags);
827 oval = snd_es1688_mixer_read(chip, reg);
828 nval = (oval & ~(mask << shift)) | nval;
829 change = nval != oval;
830 if (change)
831 snd_es1688_mixer_write(chip, reg, nval);
832 spin_unlock_irqrestore(&chip->reg_lock, flags);
833 return change;
834 }
835
836 #define ES1688_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \
837 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
838 .info = snd_es1688_info_double, \
839 .get = snd_es1688_get_double, .put = snd_es1688_put_double, \
840 .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) }
841
842 static int snd_es1688_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
843 {
844 int mask = (kcontrol->private_value >> 24) & 0xff;
845
846 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
847 uinfo->count = 2;
848 uinfo->value.integer.min = 0;
849 uinfo->value.integer.max = mask;
850 return 0;
851 }
852
853 static int snd_es1688_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
854 {
855 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol);
856 unsigned long flags;
857 int left_reg = kcontrol->private_value & 0xff;
858 int right_reg = (kcontrol->private_value >> 8) & 0xff;
859 int shift_left = (kcontrol->private_value >> 16) & 0x07;
860 int shift_right = (kcontrol->private_value >> 19) & 0x07;
861 int mask = (kcontrol->private_value >> 24) & 0xff;
862 int invert = (kcontrol->private_value >> 22) & 1;
863 unsigned char left, right;
864
865 spin_lock_irqsave(&chip->reg_lock, flags);
866 if (left_reg < 0xa0)
867 left = snd_es1688_mixer_read(chip, left_reg);
868 else
869 left = snd_es1688_read(chip, left_reg);
870 if (left_reg != right_reg) {
871 if (right_reg < 0xa0)
872 right = snd_es1688_mixer_read(chip, right_reg);
873 else
874 right = snd_es1688_read(chip, right_reg);
875 } else
876 right = left;
877 spin_unlock_irqrestore(&chip->reg_lock, flags);
878 ucontrol->value.integer.value[0] = (left >> shift_left) & mask;
879 ucontrol->value.integer.value[1] = (right >> shift_right) & mask;
880 if (invert) {
881 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
882 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
883 }
884 return 0;
885 }
886
887 static int snd_es1688_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
888 {
889 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol);
890 unsigned long flags;
891 int left_reg = kcontrol->private_value & 0xff;
892 int right_reg = (kcontrol->private_value >> 8) & 0xff;
893 int shift_left = (kcontrol->private_value >> 16) & 0x07;
894 int shift_right = (kcontrol->private_value >> 19) & 0x07;
895 int mask = (kcontrol->private_value >> 24) & 0xff;
896 int invert = (kcontrol->private_value >> 22) & 1;
897 int change;
898 unsigned char val1, val2, oval1, oval2;
899
900 val1 = ucontrol->value.integer.value[0] & mask;
901 val2 = ucontrol->value.integer.value[1] & mask;
902 if (invert) {
903 val1 = mask - val1;
904 val2 = mask - val2;
905 }
906 val1 <<= shift_left;
907 val2 <<= shift_right;
908 spin_lock_irqsave(&chip->reg_lock, flags);
909 if (left_reg != right_reg) {
910 if (left_reg < 0xa0)
911 oval1 = snd_es1688_mixer_read(chip, left_reg);
912 else
913 oval1 = snd_es1688_read(chip, left_reg);
914 if (right_reg < 0xa0)
915 oval2 = snd_es1688_mixer_read(chip, right_reg);
916 else
917 oval2 = snd_es1688_read(chip, right_reg);
918 val1 = (oval1 & ~(mask << shift_left)) | val1;
919 val2 = (oval2 & ~(mask << shift_right)) | val2;
920 change = val1 != oval1 || val2 != oval2;
921 if (change) {
922 if (left_reg < 0xa0)
923 snd_es1688_mixer_write(chip, left_reg, val1);
924 else
925 snd_es1688_write(chip, left_reg, val1);
926 if (right_reg < 0xa0)
927 snd_es1688_mixer_write(chip, right_reg, val1);
928 else
929 snd_es1688_write(chip, right_reg, val1);
930 }
931 } else {
932 if (left_reg < 0xa0)
933 oval1 = snd_es1688_mixer_read(chip, left_reg);
934 else
935 oval1 = snd_es1688_read(chip, left_reg);
936 val1 = (oval1 & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2;
937 change = val1 != oval1;
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 }
944
945 }
946 spin_unlock_irqrestore(&chip->reg_lock, flags);
947 return change;
948 }
949
950 static struct snd_kcontrol_new snd_es1688_controls[] = {
951 ES1688_DOUBLE("Master Playback Volume", 0, ES1688_MASTER_DEV, ES1688_MASTER_DEV, 4, 0, 15, 0),
952 ES1688_DOUBLE("PCM Playback Volume", 0, ES1688_PCM_DEV, ES1688_PCM_DEV, 4, 0, 15, 0),
953 ES1688_DOUBLE("Line Playback Volume", 0, ES1688_LINE_DEV, ES1688_LINE_DEV, 4, 0, 15, 0),
954 ES1688_DOUBLE("CD Playback Volume", 0, ES1688_CD_DEV, ES1688_CD_DEV, 4, 0, 15, 0),
955 ES1688_DOUBLE("FM Playback Volume", 0, ES1688_FM_DEV, ES1688_FM_DEV, 4, 0, 15, 0),
956 ES1688_DOUBLE("Mic Playback Volume", 0, ES1688_MIC_DEV, ES1688_MIC_DEV, 4, 0, 15, 0),
957 ES1688_DOUBLE("Aux Playback Volume", 0, ES1688_AUX_DEV, ES1688_AUX_DEV, 4, 0, 15, 0),
958 ES1688_SINGLE("Beep Playback Volume", 0, ES1688_SPEAKER_DEV, 0, 7, 0),
959 ES1688_DOUBLE("Capture Volume", 0, ES1688_RECLEV_DEV, ES1688_RECLEV_DEV, 4, 0, 15, 0),
960 ES1688_SINGLE("Capture Switch", 0, ES1688_REC_DEV, 4, 1, 1),
961 {
962 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
963 .name = "Capture Source",
964 .info = snd_es1688_info_mux,
965 .get = snd_es1688_get_mux,
966 .put = snd_es1688_put_mux,
967 },
968 };
969
970 #define ES1688_INIT_TABLE_SIZE (sizeof(snd_es1688_init_table)/2)
971
972 static unsigned char snd_es1688_init_table[][2] = {
973 { ES1688_MASTER_DEV, 0 },
974 { ES1688_PCM_DEV, 0 },
975 { ES1688_LINE_DEV, 0 },
976 { ES1688_CD_DEV, 0 },
977 { ES1688_FM_DEV, 0 },
978 { ES1688_MIC_DEV, 0 },
979 { ES1688_AUX_DEV, 0 },
980 { ES1688_SPEAKER_DEV, 0 },
981 { ES1688_RECLEV_DEV, 0 },
982 { ES1688_REC_DEV, 0x17 }
983 };
984
985 int snd_es1688_mixer(struct snd_card *card, struct snd_es1688 *chip)
986 {
987 unsigned int idx;
988 int err;
989 unsigned char reg, val;
990
991 if (snd_BUG_ON(!chip || !card))
992 return -EINVAL;
993
994 strcpy(card->mixername, snd_es1688_chip_id(chip));
995
996 for (idx = 0; idx < ARRAY_SIZE(snd_es1688_controls); idx++) {
997 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_es1688_controls[idx], chip))) < 0)
998 return err;
999 }
1000 for (idx = 0; idx < ES1688_INIT_TABLE_SIZE; idx++) {
1001 reg = snd_es1688_init_table[idx][0];
1002 val = snd_es1688_init_table[idx][1];
1003 if (reg < 0xa0)
1004 snd_es1688_mixer_write(chip, reg, val);
1005 else
1006 snd_es1688_write(chip, reg, val);
1007 }
1008 return 0;
1009 }
1010
1011 EXPORT_SYMBOL(snd_es1688_mixer_write);
1012 EXPORT_SYMBOL(snd_es1688_create);
1013 EXPORT_SYMBOL(snd_es1688_pcm);
1014 EXPORT_SYMBOL(snd_es1688_mixer);
Linux with added FPC-III support