xref: /linux/sound/isa/es18xx.c (revision 05a54fa773284d1a7923cdfdd8f0c8dabb98bd26)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  *  Driver for generic ESS AudioDrive ES18xx soundcards
4  *  Copyright (c) by Christian Fischbach <fishbach@pool.informatik.rwth-aachen.de>
5  *  Copyright (c) by Abramo Bagnara <abramo@alsa-project.org>
6  */
7 /* GENERAL NOTES:
8  *
9  * BUGS:
10  * - There are pops (we can't delay in trigger function, cause midlevel
11  *   often need to trigger down and then up very quickly).
12  *   Any ideas?
13  * - Support for 16 bit DMA seems to be broken. I've no hardware to tune it.
14  */
15 
16 /*
17  * ES1868  NOTES:
18  * - The chip has one half duplex pcm (with very limited full duplex support).
19  *
20  * - Duplex stereophonic sound is impossible.
21  * - Record and playback must share the same frequency rate.
22  *
23  * - The driver use dma2 for playback and dma1 for capture.
24  */
25 
26 /*
27  * ES1869 NOTES:
28  *
29  * - there are a first full duplex pcm and a second playback only pcm
30  *   (incompatible with first pcm capture)
31  *
32  * - there is support for the capture volume and ESS Spatializer 3D effect.
33  *
34  * - contrarily to some pages in DS_1869.PDF the rates can be set
35  *   independently.
36  *
37  * - Zoom Video is implemented by sharing the FM DAC, thus the user can
38  *   have either FM playback or Video playback but not both simultaneously.
39  *   The Video Playback Switch mixer control toggles this choice.
40  *
41  * BUGS:
42  *
43  * - There is a major trouble I noted:
44  *
45  *   using both channel for playback stereo 16 bit samples at 44100 Hz
46  *   the second pcm (Audio1) DMA slows down irregularly and sound is garbled.
47  *
48  *   The same happens using Audio1 for captureing.
49  *
50  *   The Windows driver does not suffer of this (although it use Audio1
51  *   only for captureing). I'm unable to discover why.
52  *
53  */
54 
55 /*
56  * ES1879 NOTES:
57  * - When Zoom Video is enabled (reg 0x71 bit 6 toggled on) the PCM playback
58  *   seems to be effected (speaker_test plays a lower frequency). Can't find
59  *   anything in the datasheet to account for this, so a Video Playback Switch
60  *   control has been included to allow ZV to be enabled only when necessary.
61  *   Then again on at least one test system the 0x71 bit 6 enable bit is not
62  *   needed for ZV, so maybe the datasheet is entirely wrong here.
63  */
64 
65 #include <linux/init.h>
66 #include <linux/err.h>
67 #include <linux/isa.h>
68 #include <linux/pnp.h>
69 #include <linux/isapnp.h>
70 #include <linux/module.h>
71 #include <linux/delay.h>
72 #include <linux/io.h>
73 
74 #include <asm/dma.h>
75 #include <sound/core.h>
76 #include <sound/control.h>
77 #include <sound/pcm.h>
78 #include <sound/pcm_params.h>
79 #include <sound/mpu401.h>
80 #include <sound/opl3.h>
81 #define SNDRV_LEGACY_FIND_FREE_IRQ
82 #define SNDRV_LEGACY_FIND_FREE_DMA
83 #include <sound/initval.h>
84 
85 struct snd_es18xx {
86 	struct snd_card *card;
87 	unsigned long port;		/* port of ESS chip */
88 	unsigned long ctrl_port;	/* Control port of ESS chip */
89 	int irq;			/* IRQ number of ESS chip */
90 	int dma1;			/* DMA1 */
91 	int dma2;			/* DMA2 */
92 	unsigned short version;		/* version of ESS chip */
93 	int caps;			/* Chip capabilities */
94 	unsigned short audio2_vol;	/* volume level of audio2 */
95 
96 	unsigned short active;		/* active channel mask */
97 	unsigned int dma1_shift;
98 	unsigned int dma2_shift;
99 
100 	struct snd_pcm *pcm;
101 	struct snd_pcm_substream *playback_a_substream;
102 	struct snd_pcm_substream *capture_a_substream;
103 	struct snd_pcm_substream *playback_b_substream;
104 
105 	struct snd_rawmidi *rmidi;
106 
107 	struct snd_kcontrol *hw_volume;
108 	struct snd_kcontrol *hw_switch;
109 	struct snd_kcontrol *master_volume;
110 	struct snd_kcontrol *master_switch;
111 
112 	spinlock_t reg_lock;
113 	spinlock_t mixer_lock;
114 #ifdef CONFIG_PM
115 	unsigned char pm_reg;
116 #endif
117 #ifdef CONFIG_PNP
118 	struct pnp_dev *dev;
119 	struct pnp_dev *devc;
120 #endif
121 };
122 
123 #define AUDIO1_IRQ	0x01
124 #define AUDIO2_IRQ	0x02
125 #define HWV_IRQ		0x04
126 #define MPU_IRQ		0x08
127 
128 #define ES18XX_PCM2	0x0001	/* Has two useable PCM */
129 #define ES18XX_SPATIALIZER 0x0002	/* Has 3D Spatializer */
130 #define ES18XX_RECMIX	0x0004	/* Has record mixer */
131 #define ES18XX_DUPLEX_MONO 0x0008	/* Has mono duplex only */
132 #define ES18XX_DUPLEX_SAME 0x0010	/* Playback and record must share the same rate */
133 #define ES18XX_NEW_RATE	0x0020	/* More precise rate setting */
134 #define ES18XX_AUXB	0x0040	/* AuxB mixer control */
135 #define ES18XX_HWV	0x0080	/* Has separate hardware volume mixer controls*/
136 #define ES18XX_MONO	0x0100	/* Mono_in mixer control */
137 #define ES18XX_I2S	0x0200	/* I2S mixer control */
138 #define ES18XX_MUTEREC	0x0400	/* Record source can be muted */
139 #define ES18XX_CONTROL	0x0800	/* Has control ports */
140 #define ES18XX_GPO_2BIT	0x1000	/* GPO0,1 controlled by PM port */
141 
142 /* Power Management */
143 #define ES18XX_PM	0x07
144 #define ES18XX_PM_GPO0	0x01
145 #define ES18XX_PM_GPO1	0x02
146 #define ES18XX_PM_PDR	0x04
147 #define ES18XX_PM_ANA	0x08
148 #define ES18XX_PM_FM	0x020
149 #define ES18XX_PM_SUS	0x080
150 
151 /* Lowlevel */
152 
153 #define DAC1 0x01
154 #define ADC1 0x02
155 #define DAC2 0x04
156 #define MILLISECOND 10000
157 
158 static int snd_es18xx_dsp_command(struct snd_es18xx *chip, unsigned char val)
159 {
160         int i;
161 
162         for(i = MILLISECOND; i; i--)
163                 if ((inb(chip->port + 0x0C) & 0x80) == 0) {
164                         outb(val, chip->port + 0x0C);
165                         return 0;
166                 }
167 	dev_err(chip->card->dev, "dsp_command: timeout (0x%x)\n", val);
168         return -EINVAL;
169 }
170 
171 static int snd_es18xx_dsp_get_byte(struct snd_es18xx *chip)
172 {
173         int i;
174 
175         for(i = MILLISECOND/10; i; i--)
176                 if (inb(chip->port + 0x0C) & 0x40)
177                         return inb(chip->port + 0x0A);
178 	dev_err(chip->card->dev, "dsp_get_byte failed: 0x%lx = 0x%x!!!\n",
179 		chip->port + 0x0A, inb(chip->port + 0x0A));
180         return -ENODEV;
181 }
182 
183 #undef REG_DEBUG
184 
185 static int snd_es18xx_write(struct snd_es18xx *chip,
186 			    unsigned char reg, unsigned char data)
187 {
188 	int ret;
189 
190 	guard(spinlock_irqsave)(&chip->reg_lock);
191 	ret = snd_es18xx_dsp_command(chip, reg);
192 	if (ret < 0)
193 		return ret;
194         ret = snd_es18xx_dsp_command(chip, data);
195 #ifdef REG_DEBUG
196 	dev_dbg(chip->card->dev, "Reg %02x set to %02x\n", reg, data);
197 #endif
198 	return ret;
199 }
200 
201 static int snd_es18xx_read(struct snd_es18xx *chip, unsigned char reg)
202 {
203 	int ret, data;
204 
205 	guard(spinlock_irqsave)(&chip->reg_lock);
206 	ret = snd_es18xx_dsp_command(chip, 0xC0);
207 	if (ret < 0)
208 		return ret;
209         ret = snd_es18xx_dsp_command(chip, reg);
210 	if (ret < 0)
211 		return ret;
212 	data = snd_es18xx_dsp_get_byte(chip);
213 	ret = data;
214 #ifdef REG_DEBUG
215 	dev_dbg(chip->card->dev, "Reg %02x now is %02x (%d)\n", reg, data, ret);
216 #endif
217 	return ret;
218 }
219 
220 /* Return old value */
221 static int snd_es18xx_bits(struct snd_es18xx *chip, unsigned char reg,
222 			   unsigned char mask, unsigned char val)
223 {
224         int ret;
225 	unsigned char old, new, oval;
226 
227 	guard(spinlock_irqsave)(&chip->reg_lock);
228         ret = snd_es18xx_dsp_command(chip, 0xC0);
229 	if (ret < 0)
230 		return ret;
231         ret = snd_es18xx_dsp_command(chip, reg);
232 	if (ret < 0)
233 		return ret;
234 	ret = snd_es18xx_dsp_get_byte(chip);
235 	if (ret < 0)
236 		return ret;
237 	old = ret;
238 	oval = old & mask;
239 	if (val != oval) {
240 		ret = snd_es18xx_dsp_command(chip, reg);
241 		if (ret < 0)
242 			return ret;
243 		new = (old & ~mask) | (val & mask);
244 		ret = snd_es18xx_dsp_command(chip, new);
245 		if (ret < 0)
246 			return ret;
247 #ifdef REG_DEBUG
248 		dev_dbg(chip->card->dev, "Reg %02x was %02x, set to %02x (%d)\n",
249 			reg, old, new, ret);
250 #endif
251 	}
252 	return oval;
253 }
254 
255 static inline void snd_es18xx_mixer_write(struct snd_es18xx *chip,
256 			    unsigned char reg, unsigned char data)
257 {
258 	guard(spinlock_irqsave)(&chip->mixer_lock);
259         outb(reg, chip->port + 0x04);
260         outb(data, chip->port + 0x05);
261 #ifdef REG_DEBUG
262 	dev_dbg(chip->card->dev, "Mixer reg %02x set to %02x\n", reg, data);
263 #endif
264 }
265 
266 static inline int snd_es18xx_mixer_read(struct snd_es18xx *chip, unsigned char reg)
267 {
268 	int data;
269 
270 	guard(spinlock_irqsave)(&chip->mixer_lock);
271         outb(reg, chip->port + 0x04);
272 	data = inb(chip->port + 0x05);
273 #ifdef REG_DEBUG
274 	dev_dbg(chip->card->dev, "Mixer reg %02x now is %02x\n", reg, data);
275 #endif
276         return data;
277 }
278 
279 /* Return old value */
280 static inline int snd_es18xx_mixer_bits(struct snd_es18xx *chip, unsigned char reg,
281 					unsigned char mask, unsigned char val)
282 {
283 	unsigned char old, new, oval;
284 
285 	guard(spinlock_irqsave)(&chip->mixer_lock);
286         outb(reg, chip->port + 0x04);
287 	old = inb(chip->port + 0x05);
288 	oval = old & mask;
289 	if (val != oval) {
290 		new = (old & ~mask) | (val & mask);
291 		outb(new, chip->port + 0x05);
292 #ifdef REG_DEBUG
293 		dev_dbg(chip->card->dev, "Mixer reg %02x was %02x, set to %02x\n",
294 			reg, old, new);
295 #endif
296 	}
297 	return oval;
298 }
299 
300 static inline int snd_es18xx_mixer_writable(struct snd_es18xx *chip, unsigned char reg,
301 					    unsigned char mask)
302 {
303 	int old, expected, new;
304 
305 	guard(spinlock_irqsave)(&chip->mixer_lock);
306         outb(reg, chip->port + 0x04);
307 	old = inb(chip->port + 0x05);
308 	expected = old ^ mask;
309 	outb(expected, chip->port + 0x05);
310 	new = inb(chip->port + 0x05);
311 #ifdef REG_DEBUG
312 	dev_dbg(chip->card->dev, "Mixer reg %02x was %02x, set to %02x, now is %02x\n",
313 		reg, old, expected, new);
314 #endif
315 	return expected == new;
316 }
317 
318 
319 static int snd_es18xx_reset(struct snd_es18xx *chip)
320 {
321 	int i;
322         outb(0x03, chip->port + 0x06);
323         inb(chip->port + 0x06);
324         outb(0x00, chip->port + 0x06);
325         for(i = 0; i < MILLISECOND && !(inb(chip->port + 0x0E) & 0x80); i++);
326         if (inb(chip->port + 0x0A) != 0xAA)
327                 return -1;
328 	return 0;
329 }
330 
331 static int snd_es18xx_reset_fifo(struct snd_es18xx *chip)
332 {
333         outb(0x02, chip->port + 0x06);
334         inb(chip->port + 0x06);
335         outb(0x00, chip->port + 0x06);
336 	return 0;
337 }
338 
339 static const struct snd_ratnum new_clocks[2] = {
340 	{
341 		.num = 793800,
342 		.den_min = 1,
343 		.den_max = 128,
344 		.den_step = 1,
345 	},
346 	{
347 		.num = 768000,
348 		.den_min = 1,
349 		.den_max = 128,
350 		.den_step = 1,
351 	}
352 };
353 
354 static const struct snd_pcm_hw_constraint_ratnums new_hw_constraints_clocks = {
355 	.nrats = 2,
356 	.rats = new_clocks,
357 };
358 
359 static const struct snd_ratnum old_clocks[2] = {
360 	{
361 		.num = 795444,
362 		.den_min = 1,
363 		.den_max = 128,
364 		.den_step = 1,
365 	},
366 	{
367 		.num = 397722,
368 		.den_min = 1,
369 		.den_max = 128,
370 		.den_step = 1,
371 	}
372 };
373 
374 static const struct snd_pcm_hw_constraint_ratnums old_hw_constraints_clocks  = {
375 	.nrats = 2,
376 	.rats = old_clocks,
377 };
378 
379 
380 static void snd_es18xx_rate_set(struct snd_es18xx *chip,
381 				struct snd_pcm_substream *substream,
382 				int mode)
383 {
384 	unsigned int bits, div0;
385 	struct snd_pcm_runtime *runtime = substream->runtime;
386 	if (chip->caps & ES18XX_NEW_RATE) {
387 		if (runtime->rate_num == new_clocks[0].num)
388 			bits = 128 - runtime->rate_den;
389 		else
390 			bits = 256 - runtime->rate_den;
391 	} else {
392 		if (runtime->rate_num == old_clocks[0].num)
393 			bits = 256 - runtime->rate_den;
394 		else
395 			bits = 128 - runtime->rate_den;
396 	}
397 
398 	/* set filter register */
399 	div0 = 256 - 7160000*20/(8*82*runtime->rate);
400 
401 	if ((chip->caps & ES18XX_PCM2) && mode == DAC2) {
402 		snd_es18xx_mixer_write(chip, 0x70, bits);
403 		/*
404 		 * Comment from kernel oss driver:
405 		 * FKS: fascinating: 0x72 doesn't seem to work.
406 		 */
407 		snd_es18xx_write(chip, 0xA2, div0);
408 		snd_es18xx_mixer_write(chip, 0x72, div0);
409 	} else {
410 		snd_es18xx_write(chip, 0xA1, bits);
411 		snd_es18xx_write(chip, 0xA2, div0);
412 	}
413 }
414 
415 static int snd_es18xx_playback_hw_params(struct snd_pcm_substream *substream,
416 					 struct snd_pcm_hw_params *hw_params)
417 {
418 	struct snd_es18xx *chip = snd_pcm_substream_chip(substream);
419 	int shift;
420 
421 	shift = 0;
422 	if (params_channels(hw_params) == 2)
423 		shift++;
424 	if (snd_pcm_format_width(params_format(hw_params)) == 16)
425 		shift++;
426 
427 	if (substream->number == 0 && (chip->caps & ES18XX_PCM2)) {
428 		if ((chip->caps & ES18XX_DUPLEX_MONO) &&
429 		    (chip->capture_a_substream) &&
430 		    params_channels(hw_params) != 1) {
431 			_snd_pcm_hw_param_setempty(hw_params, SNDRV_PCM_HW_PARAM_CHANNELS);
432 			return -EBUSY;
433 		}
434 		chip->dma2_shift = shift;
435 	} else {
436 		chip->dma1_shift = shift;
437 	}
438 	return 0;
439 }
440 
441 static int snd_es18xx_playback1_prepare(struct snd_es18xx *chip,
442 					struct snd_pcm_substream *substream)
443 {
444 	struct snd_pcm_runtime *runtime = substream->runtime;
445 	unsigned int size = snd_pcm_lib_buffer_bytes(substream);
446 	unsigned int count = snd_pcm_lib_period_bytes(substream);
447 
448         snd_es18xx_rate_set(chip, substream, DAC2);
449 
450         /* Transfer Count Reload */
451         count = 0x10000 - count;
452         snd_es18xx_mixer_write(chip, 0x74, count & 0xff);
453         snd_es18xx_mixer_write(chip, 0x76, count >> 8);
454 
455 	/* Set format */
456         snd_es18xx_mixer_bits(chip, 0x7A, 0x07,
457 			      ((runtime->channels == 1) ? 0x00 : 0x02) |
458 			      (snd_pcm_format_width(runtime->format) == 16 ? 0x01 : 0x00) |
459 			      (snd_pcm_format_unsigned(runtime->format) ? 0x00 : 0x04));
460 
461         /* Set DMA controller */
462         snd_dma_program(chip->dma2, runtime->dma_addr, size, DMA_MODE_WRITE | DMA_AUTOINIT);
463 
464 	return 0;
465 }
466 
467 static int snd_es18xx_playback1_trigger(struct snd_es18xx *chip,
468 					struct snd_pcm_substream *substream,
469 					int cmd)
470 {
471 	switch (cmd) {
472 	case SNDRV_PCM_TRIGGER_START:
473 	case SNDRV_PCM_TRIGGER_RESUME:
474 		if (chip->active & DAC2)
475 			return 0;
476 		chip->active |= DAC2;
477                 /* Start DMA */
478 		if (chip->dma2 >= 4)
479 			snd_es18xx_mixer_write(chip, 0x78, 0xb3);
480 		else
481 			snd_es18xx_mixer_write(chip, 0x78, 0x93);
482 #ifdef AVOID_POPS
483 		/* Avoid pops */
484 		mdelay(100);
485 		if (chip->caps & ES18XX_PCM2)
486 			/* Restore Audio 2 volume */
487 			snd_es18xx_mixer_write(chip, 0x7C, chip->audio2_vol);
488 		else
489 			/* Enable PCM output */
490 			snd_es18xx_dsp_command(chip, 0xD1);
491 #endif
492 		break;
493 	case SNDRV_PCM_TRIGGER_STOP:
494 	case SNDRV_PCM_TRIGGER_SUSPEND:
495 		if (!(chip->active & DAC2))
496 			return 0;
497 		chip->active &= ~DAC2;
498                 /* Stop DMA */
499                 snd_es18xx_mixer_write(chip, 0x78, 0x00);
500 #ifdef AVOID_POPS
501 		mdelay(25);
502 		if (chip->caps & ES18XX_PCM2)
503 			/* Set Audio 2 volume to 0 */
504 			snd_es18xx_mixer_write(chip, 0x7C, 0);
505 		else
506 			/* Disable PCM output */
507 			snd_es18xx_dsp_command(chip, 0xD3);
508 #endif
509 		break;
510 	default:
511 		return -EINVAL;
512 	}
513 
514 	return 0;
515 }
516 
517 static int snd_es18xx_capture_hw_params(struct snd_pcm_substream *substream,
518 					struct snd_pcm_hw_params *hw_params)
519 {
520 	struct snd_es18xx *chip = snd_pcm_substream_chip(substream);
521 	int shift;
522 
523 	shift = 0;
524 	if ((chip->caps & ES18XX_DUPLEX_MONO) &&
525 	    chip->playback_a_substream &&
526 	    params_channels(hw_params) != 1) {
527 		_snd_pcm_hw_param_setempty(hw_params, SNDRV_PCM_HW_PARAM_CHANNELS);
528 		return -EBUSY;
529 	}
530 	if (params_channels(hw_params) == 2)
531 		shift++;
532 	if (snd_pcm_format_width(params_format(hw_params)) == 16)
533 		shift++;
534 	chip->dma1_shift = shift;
535 	return 0;
536 }
537 
538 static int snd_es18xx_capture_prepare(struct snd_pcm_substream *substream)
539 {
540         struct snd_es18xx *chip = snd_pcm_substream_chip(substream);
541 	struct snd_pcm_runtime *runtime = substream->runtime;
542 	unsigned int size = snd_pcm_lib_buffer_bytes(substream);
543 	unsigned int count = snd_pcm_lib_period_bytes(substream);
544 
545 	snd_es18xx_reset_fifo(chip);
546 
547         /* Set stereo/mono */
548         snd_es18xx_bits(chip, 0xA8, 0x03, runtime->channels == 1 ? 0x02 : 0x01);
549 
550         snd_es18xx_rate_set(chip, substream, ADC1);
551 
552         /* Transfer Count Reload */
553 	count = 0x10000 - count;
554 	snd_es18xx_write(chip, 0xA4, count & 0xff);
555 	snd_es18xx_write(chip, 0xA5, count >> 8);
556 
557 #ifdef AVOID_POPS
558 	mdelay(100);
559 #endif
560 
561         /* Set format */
562         snd_es18xx_write(chip, 0xB7,
563                          snd_pcm_format_unsigned(runtime->format) ? 0x51 : 0x71);
564         snd_es18xx_write(chip, 0xB7, 0x90 |
565                          ((runtime->channels == 1) ? 0x40 : 0x08) |
566                          (snd_pcm_format_width(runtime->format) == 16 ? 0x04 : 0x00) |
567                          (snd_pcm_format_unsigned(runtime->format) ? 0x00 : 0x20));
568 
569         /* Set DMA controller */
570         snd_dma_program(chip->dma1, runtime->dma_addr, size, DMA_MODE_READ | DMA_AUTOINIT);
571 
572 	return 0;
573 }
574 
575 static int snd_es18xx_capture_trigger(struct snd_pcm_substream *substream,
576 				      int cmd)
577 {
578         struct snd_es18xx *chip = snd_pcm_substream_chip(substream);
579 
580 	switch (cmd) {
581 	case SNDRV_PCM_TRIGGER_START:
582 	case SNDRV_PCM_TRIGGER_RESUME:
583 		if (chip->active & ADC1)
584 			return 0;
585 		chip->active |= ADC1;
586                 /* Start DMA */
587                 snd_es18xx_write(chip, 0xB8, 0x0f);
588 		break;
589 	case SNDRV_PCM_TRIGGER_STOP:
590 	case SNDRV_PCM_TRIGGER_SUSPEND:
591 		if (!(chip->active & ADC1))
592 			return 0;
593 		chip->active &= ~ADC1;
594                 /* Stop DMA */
595                 snd_es18xx_write(chip, 0xB8, 0x00);
596 		break;
597 	default:
598 		return -EINVAL;
599 	}
600 
601 	return 0;
602 }
603 
604 static int snd_es18xx_playback2_prepare(struct snd_es18xx *chip,
605 					struct snd_pcm_substream *substream)
606 {
607 	struct snd_pcm_runtime *runtime = substream->runtime;
608 	unsigned int size = snd_pcm_lib_buffer_bytes(substream);
609 	unsigned int count = snd_pcm_lib_period_bytes(substream);
610 
611 	snd_es18xx_reset_fifo(chip);
612 
613         /* Set stereo/mono */
614         snd_es18xx_bits(chip, 0xA8, 0x03, runtime->channels == 1 ? 0x02 : 0x01);
615 
616         snd_es18xx_rate_set(chip, substream, DAC1);
617 
618         /* Transfer Count Reload */
619 	count = 0x10000 - count;
620 	snd_es18xx_write(chip, 0xA4, count & 0xff);
621 	snd_es18xx_write(chip, 0xA5, count >> 8);
622 
623         /* Set format */
624         snd_es18xx_write(chip, 0xB6,
625                          snd_pcm_format_unsigned(runtime->format) ? 0x80 : 0x00);
626         snd_es18xx_write(chip, 0xB7,
627                          snd_pcm_format_unsigned(runtime->format) ? 0x51 : 0x71);
628         snd_es18xx_write(chip, 0xB7, 0x90 |
629                          (runtime->channels == 1 ? 0x40 : 0x08) |
630                          (snd_pcm_format_width(runtime->format) == 16 ? 0x04 : 0x00) |
631                          (snd_pcm_format_unsigned(runtime->format) ? 0x00 : 0x20));
632 
633         /* Set DMA controller */
634         snd_dma_program(chip->dma1, runtime->dma_addr, size, DMA_MODE_WRITE | DMA_AUTOINIT);
635 
636 	return 0;
637 }
638 
639 static int snd_es18xx_playback2_trigger(struct snd_es18xx *chip,
640 					struct snd_pcm_substream *substream,
641 					int cmd)
642 {
643 	switch (cmd) {
644 	case SNDRV_PCM_TRIGGER_START:
645 	case SNDRV_PCM_TRIGGER_RESUME:
646 		if (chip->active & DAC1)
647 			return 0;
648 		chip->active |= DAC1;
649                 /* Start DMA */
650                 snd_es18xx_write(chip, 0xB8, 0x05);
651 #ifdef AVOID_POPS
652 		/* Avoid pops */
653 		mdelay(100);
654                 /* Enable Audio 1 */
655                 snd_es18xx_dsp_command(chip, 0xD1);
656 #endif
657 		break;
658 	case SNDRV_PCM_TRIGGER_STOP:
659 	case SNDRV_PCM_TRIGGER_SUSPEND:
660 		if (!(chip->active & DAC1))
661 			return 0;
662 		chip->active &= ~DAC1;
663                 /* Stop DMA */
664                 snd_es18xx_write(chip, 0xB8, 0x00);
665 #ifdef AVOID_POPS
666 		/* Avoid pops */
667 		mdelay(25);
668                 /* Disable Audio 1 */
669                 snd_es18xx_dsp_command(chip, 0xD3);
670 #endif
671 		break;
672 	default:
673 		return -EINVAL;
674 	}
675 
676 	return 0;
677 }
678 
679 static int snd_es18xx_playback_prepare(struct snd_pcm_substream *substream)
680 {
681         struct snd_es18xx *chip = snd_pcm_substream_chip(substream);
682 	if (substream->number == 0 && (chip->caps & ES18XX_PCM2))
683 		return snd_es18xx_playback1_prepare(chip, substream);
684 	else
685 		return snd_es18xx_playback2_prepare(chip, substream);
686 }
687 
688 static int snd_es18xx_playback_trigger(struct snd_pcm_substream *substream,
689 				       int cmd)
690 {
691         struct snd_es18xx *chip = snd_pcm_substream_chip(substream);
692 	if (substream->number == 0 && (chip->caps & ES18XX_PCM2))
693 		return snd_es18xx_playback1_trigger(chip, substream, cmd);
694 	else
695 		return snd_es18xx_playback2_trigger(chip, substream, cmd);
696 }
697 
698 static irqreturn_t snd_es18xx_interrupt(int irq, void *dev_id)
699 {
700 	struct snd_card *card = dev_id;
701 	struct snd_es18xx *chip = card->private_data;
702 	unsigned char status;
703 
704 	if (chip->caps & ES18XX_CONTROL) {
705 		/* Read Interrupt status */
706 		status = inb(chip->ctrl_port + 6);
707 	} else {
708 		/* Read Interrupt status */
709 		status = snd_es18xx_mixer_read(chip, 0x7f) >> 4;
710 	}
711 #if 0
712 	else {
713 		status = 0;
714 		if (inb(chip->port + 0x0C) & 0x01)
715 			status |= AUDIO1_IRQ;
716 		if (snd_es18xx_mixer_read(chip, 0x7A) & 0x80)
717 			status |= AUDIO2_IRQ;
718 		if ((chip->caps & ES18XX_HWV) &&
719 		    snd_es18xx_mixer_read(chip, 0x64) & 0x10)
720 			status |= HWV_IRQ;
721 	}
722 #endif
723 
724 	/* Audio 1 & Audio 2 */
725         if (status & AUDIO2_IRQ) {
726                 if (chip->active & DAC2)
727                 	snd_pcm_period_elapsed(chip->playback_a_substream);
728 		/* ack interrupt */
729                 snd_es18xx_mixer_bits(chip, 0x7A, 0x80, 0x00);
730         }
731         if (status & AUDIO1_IRQ) {
732                 /* ok.. capture is active */
733                 if (chip->active & ADC1)
734                 	snd_pcm_period_elapsed(chip->capture_a_substream);
735                 /* ok.. playback2 is active */
736                 else if (chip->active & DAC1)
737                 	snd_pcm_period_elapsed(chip->playback_b_substream);
738 		/* ack interrupt */
739 		inb(chip->port + 0x0E);
740         }
741 
742 	/* MPU */
743 	if ((status & MPU_IRQ) && chip->rmidi)
744 		snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data);
745 
746 	/* Hardware volume */
747 	if (status & HWV_IRQ) {
748 		int split = 0;
749 		if (chip->caps & ES18XX_HWV) {
750 			split = snd_es18xx_mixer_read(chip, 0x64) & 0x80;
751 			snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE,
752 					&chip->hw_switch->id);
753 			snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE,
754 					&chip->hw_volume->id);
755 		}
756 		if (!split) {
757 			snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE,
758 					&chip->master_switch->id);
759 			snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE,
760 					&chip->master_volume->id);
761 		}
762 		/* ack interrupt */
763 		snd_es18xx_mixer_write(chip, 0x66, 0x00);
764 	}
765 	return IRQ_HANDLED;
766 }
767 
768 static snd_pcm_uframes_t snd_es18xx_playback_pointer(struct snd_pcm_substream *substream)
769 {
770         struct snd_es18xx *chip = snd_pcm_substream_chip(substream);
771 	unsigned int size = snd_pcm_lib_buffer_bytes(substream);
772 	int pos;
773 
774 	if (substream->number == 0 && (chip->caps & ES18XX_PCM2)) {
775 		if (!(chip->active & DAC2))
776 			return 0;
777 		pos = snd_dma_pointer(chip->dma2, size);
778 		return pos >> chip->dma2_shift;
779 	} else {
780 		if (!(chip->active & DAC1))
781 			return 0;
782 		pos = snd_dma_pointer(chip->dma1, size);
783 		return pos >> chip->dma1_shift;
784 	}
785 }
786 
787 static snd_pcm_uframes_t snd_es18xx_capture_pointer(struct snd_pcm_substream *substream)
788 {
789         struct snd_es18xx *chip = snd_pcm_substream_chip(substream);
790 	unsigned int size = snd_pcm_lib_buffer_bytes(substream);
791 	int pos;
792 
793         if (!(chip->active & ADC1))
794                 return 0;
795 	pos = snd_dma_pointer(chip->dma1, size);
796 	return pos >> chip->dma1_shift;
797 }
798 
799 static const struct snd_pcm_hardware snd_es18xx_playback =
800 {
801 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
802 				 SNDRV_PCM_INFO_RESUME |
803 				 SNDRV_PCM_INFO_MMAP_VALID),
804 	.formats =		(SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S8 |
805 				 SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_U16_LE),
806 	.rates =		SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
807 	.rate_min =		4000,
808 	.rate_max =		48000,
809 	.channels_min =		1,
810 	.channels_max =		2,
811 	.buffer_bytes_max =	65536,
812 	.period_bytes_min =	64,
813 	.period_bytes_max =	65536,
814 	.periods_min =		1,
815 	.periods_max =		1024,
816 	.fifo_size =		0,
817 };
818 
819 static const struct snd_pcm_hardware snd_es18xx_capture =
820 {
821 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
822 				 SNDRV_PCM_INFO_RESUME |
823 				 SNDRV_PCM_INFO_MMAP_VALID),
824 	.formats =		(SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S8 |
825 				 SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_U16_LE),
826 	.rates =		SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
827 	.rate_min =		4000,
828 	.rate_max =		48000,
829 	.channels_min =		1,
830 	.channels_max =		2,
831 	.buffer_bytes_max =	65536,
832 	.period_bytes_min =	64,
833 	.period_bytes_max =	65536,
834 	.periods_min =		1,
835 	.periods_max =		1024,
836 	.fifo_size =		0,
837 };
838 
839 static int snd_es18xx_playback_open(struct snd_pcm_substream *substream)
840 {
841 	struct snd_pcm_runtime *runtime = substream->runtime;
842         struct snd_es18xx *chip = snd_pcm_substream_chip(substream);
843 
844 	if (substream->number == 0 && (chip->caps & ES18XX_PCM2)) {
845 		if ((chip->caps & ES18XX_DUPLEX_MONO) &&
846 		    chip->capture_a_substream &&
847 		    chip->capture_a_substream->runtime->channels != 1)
848 			return -EAGAIN;
849 		chip->playback_a_substream = substream;
850 	} else if (substream->number <= 1) {
851 		if (chip->capture_a_substream)
852 			return -EAGAIN;
853 		chip->playback_b_substream = substream;
854 	} else {
855 		snd_BUG();
856 		return -EINVAL;
857 	}
858 	substream->runtime->hw = snd_es18xx_playback;
859 	snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
860 				      (chip->caps & ES18XX_NEW_RATE) ? &new_hw_constraints_clocks : &old_hw_constraints_clocks);
861         return 0;
862 }
863 
864 static int snd_es18xx_capture_open(struct snd_pcm_substream *substream)
865 {
866 	struct snd_pcm_runtime *runtime = substream->runtime;
867         struct snd_es18xx *chip = snd_pcm_substream_chip(substream);
868 
869         if (chip->playback_b_substream)
870                 return -EAGAIN;
871 	if ((chip->caps & ES18XX_DUPLEX_MONO) &&
872 	    chip->playback_a_substream &&
873 	    chip->playback_a_substream->runtime->channels != 1)
874 		return -EAGAIN;
875         chip->capture_a_substream = substream;
876 	substream->runtime->hw = snd_es18xx_capture;
877 	snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
878 				      (chip->caps & ES18XX_NEW_RATE) ? &new_hw_constraints_clocks : &old_hw_constraints_clocks);
879         return 0;
880 }
881 
882 static int snd_es18xx_playback_close(struct snd_pcm_substream *substream)
883 {
884         struct snd_es18xx *chip = snd_pcm_substream_chip(substream);
885 
886 	if (substream->number == 0 && (chip->caps & ES18XX_PCM2))
887 		chip->playback_a_substream = NULL;
888 	else
889 		chip->playback_b_substream = NULL;
890 
891 	return 0;
892 }
893 
894 static int snd_es18xx_capture_close(struct snd_pcm_substream *substream)
895 {
896         struct snd_es18xx *chip = snd_pcm_substream_chip(substream);
897 
898         chip->capture_a_substream = NULL;
899         return 0;
900 }
901 
902 /*
903  *  MIXER part
904  */
905 
906 /* Record source mux routines:
907  * Depending on the chipset this mux switches between 4, 5, or 8 possible inputs.
908  * bit table for the 4/5 source mux:
909  * reg 1C:
910  *  b2 b1 b0   muxSource
911  *   x  0  x   microphone
912  *   0  1  x   CD
913  *   1  1  0   line
914  *   1  1  1   mixer
915  * if it's "mixer" and it's a 5 source mux chipset then reg 7A bit 3 determines
916  * either the play mixer or the capture mixer.
917  *
918  * "map4Source" translates from source number to reg bit pattern
919  * "invMap4Source" translates from reg bit pattern to source number
920  */
921 
922 static int snd_es18xx_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
923 {
924 	static const char * const texts5Source[5] = {
925 		"Mic", "CD", "Line", "Master", "Mix"
926 	};
927 	static const char * const texts8Source[8] = {
928 		"Mic", "Mic Master", "CD", "AOUT",
929 		"Mic1", "Mix", "Line", "Master"
930 	};
931 	struct snd_es18xx *chip = snd_kcontrol_chip(kcontrol);
932 
933 	switch (chip->version) {
934 	case 0x1868:
935 	case 0x1878:
936 		return snd_ctl_enum_info(uinfo, 1, 4, texts5Source);
937 	case 0x1887:
938 	case 0x1888:
939 		return snd_ctl_enum_info(uinfo, 1, 5, texts5Source);
940 	case 0x1869: /* DS somewhat contradictory for 1869: could be 5 or 8 */
941 	case 0x1879:
942 		return snd_ctl_enum_info(uinfo, 1, 8, texts8Source);
943 	default:
944 		return -EINVAL;
945 	}
946 }
947 
948 static int snd_es18xx_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
949 {
950 	static const unsigned char invMap4Source[8] = {0, 0, 1, 1, 0, 0, 2, 3};
951 	struct snd_es18xx *chip = snd_kcontrol_chip(kcontrol);
952 	int muxSource = snd_es18xx_mixer_read(chip, 0x1c) & 0x07;
953 	if (!(chip->version == 0x1869 || chip->version == 0x1879)) {
954 		muxSource = invMap4Source[muxSource];
955 		if (muxSource==3 &&
956 		    (chip->version == 0x1887 || chip->version == 0x1888) &&
957 		    (snd_es18xx_mixer_read(chip, 0x7a) & 0x08)
958 		)
959 			muxSource = 4;
960 	}
961 	ucontrol->value.enumerated.item[0] = muxSource;
962 	return 0;
963 }
964 
965 static int snd_es18xx_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
966 {
967 	static const unsigned char map4Source[4] = {0, 2, 6, 7};
968 	struct snd_es18xx *chip = snd_kcontrol_chip(kcontrol);
969 	unsigned char val = ucontrol->value.enumerated.item[0];
970 	unsigned char retVal = 0;
971 
972 	switch (chip->version) {
973  /* 5 source chips */
974 	case 0x1887:
975 	case 0x1888:
976 		if (val > 4)
977 			return -EINVAL;
978 		if (val == 4) {
979 			retVal = snd_es18xx_mixer_bits(chip, 0x7a, 0x08, 0x08) != 0x08;
980 			val = 3;
981 		} else
982 			retVal = snd_es18xx_mixer_bits(chip, 0x7a, 0x08, 0x00) != 0x00;
983 		fallthrough;
984  /* 4 source chips */
985 	case 0x1868:
986 	case 0x1878:
987 		if (val > 3)
988 			return -EINVAL;
989 		val = map4Source[val];
990 		break;
991  /* 8 source chips */
992 	case 0x1869:
993 	case 0x1879:
994 		if (val > 7)
995 			return -EINVAL;
996 		break;
997 	default:
998 		return -EINVAL;
999 	}
1000 	return (snd_es18xx_mixer_bits(chip, 0x1c, 0x07, val) != val) || retVal;
1001 }
1002 
1003 #define snd_es18xx_info_spatializer_enable	snd_ctl_boolean_mono_info
1004 
1005 static int snd_es18xx_get_spatializer_enable(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1006 {
1007 	struct snd_es18xx *chip = snd_kcontrol_chip(kcontrol);
1008 	unsigned char val = snd_es18xx_mixer_read(chip, 0x50);
1009 	ucontrol->value.integer.value[0] = !!(val & 8);
1010 	return 0;
1011 }
1012 
1013 static int snd_es18xx_put_spatializer_enable(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1014 {
1015 	struct snd_es18xx *chip = snd_kcontrol_chip(kcontrol);
1016 	unsigned char oval, nval;
1017 	int change;
1018 	nval = ucontrol->value.integer.value[0] ? 0x0c : 0x04;
1019 	oval = snd_es18xx_mixer_read(chip, 0x50) & 0x0c;
1020 	change = nval != oval;
1021 	if (change) {
1022 		snd_es18xx_mixer_write(chip, 0x50, nval & ~0x04);
1023 		snd_es18xx_mixer_write(chip, 0x50, nval);
1024 	}
1025 	return change;
1026 }
1027 
1028 static int snd_es18xx_info_hw_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1029 {
1030 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1031 	uinfo->count = 2;
1032 	uinfo->value.integer.min = 0;
1033 	uinfo->value.integer.max = 63;
1034 	return 0;
1035 }
1036 
1037 static int snd_es18xx_get_hw_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1038 {
1039 	struct snd_es18xx *chip = snd_kcontrol_chip(kcontrol);
1040 	ucontrol->value.integer.value[0] = snd_es18xx_mixer_read(chip, 0x61) & 0x3f;
1041 	ucontrol->value.integer.value[1] = snd_es18xx_mixer_read(chip, 0x63) & 0x3f;
1042 	return 0;
1043 }
1044 
1045 #define snd_es18xx_info_hw_switch	snd_ctl_boolean_stereo_info
1046 
1047 static int snd_es18xx_get_hw_switch(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1048 {
1049 	struct snd_es18xx *chip = snd_kcontrol_chip(kcontrol);
1050 	ucontrol->value.integer.value[0] = !(snd_es18xx_mixer_read(chip, 0x61) & 0x40);
1051 	ucontrol->value.integer.value[1] = !(snd_es18xx_mixer_read(chip, 0x63) & 0x40);
1052 	return 0;
1053 }
1054 
1055 static void snd_es18xx_hwv_free(struct snd_kcontrol *kcontrol)
1056 {
1057 	struct snd_es18xx *chip = snd_kcontrol_chip(kcontrol);
1058 	chip->master_volume = NULL;
1059 	chip->master_switch = NULL;
1060 	chip->hw_volume = NULL;
1061 	chip->hw_switch = NULL;
1062 }
1063 
1064 static int snd_es18xx_reg_bits(struct snd_es18xx *chip, unsigned char reg,
1065 			       unsigned char mask, unsigned char val)
1066 {
1067 	if (reg < 0xa0)
1068 		return snd_es18xx_mixer_bits(chip, reg, mask, val);
1069 	else
1070 		return snd_es18xx_bits(chip, reg, mask, val);
1071 }
1072 
1073 static int snd_es18xx_reg_read(struct snd_es18xx *chip, unsigned char reg)
1074 {
1075 	if (reg < 0xa0)
1076 		return snd_es18xx_mixer_read(chip, reg);
1077 	else
1078 		return snd_es18xx_read(chip, reg);
1079 }
1080 
1081 #define ES18XX_SINGLE(xname, xindex, reg, shift, mask, flags) \
1082 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1083   .info = snd_es18xx_info_single, \
1084   .get = snd_es18xx_get_single, .put = snd_es18xx_put_single, \
1085   .private_value = reg | (shift << 8) | (mask << 16) | (flags << 24) }
1086 
1087 #define ES18XX_FL_INVERT	(1 << 0)
1088 #define ES18XX_FL_PMPORT	(1 << 1)
1089 
1090 static int snd_es18xx_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1091 {
1092 	int mask = (kcontrol->private_value >> 16) & 0xff;
1093 
1094 	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
1095 	uinfo->count = 1;
1096 	uinfo->value.integer.min = 0;
1097 	uinfo->value.integer.max = mask;
1098 	return 0;
1099 }
1100 
1101 static int snd_es18xx_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1102 {
1103 	struct snd_es18xx *chip = snd_kcontrol_chip(kcontrol);
1104 	int reg = kcontrol->private_value & 0xff;
1105 	int shift = (kcontrol->private_value >> 8) & 0xff;
1106 	int mask = (kcontrol->private_value >> 16) & 0xff;
1107 	int invert = (kcontrol->private_value >> 24) & ES18XX_FL_INVERT;
1108 	int pm_port = (kcontrol->private_value >> 24) & ES18XX_FL_PMPORT;
1109 	int val;
1110 
1111 	if (pm_port)
1112 		val = inb(chip->port + ES18XX_PM);
1113 	else
1114 		val = snd_es18xx_reg_read(chip, reg);
1115 	ucontrol->value.integer.value[0] = (val >> shift) & mask;
1116 	if (invert)
1117 		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
1118 	return 0;
1119 }
1120 
1121 static int snd_es18xx_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1122 {
1123 	struct snd_es18xx *chip = snd_kcontrol_chip(kcontrol);
1124 	int reg = kcontrol->private_value & 0xff;
1125 	int shift = (kcontrol->private_value >> 8) & 0xff;
1126 	int mask = (kcontrol->private_value >> 16) & 0xff;
1127 	int invert = (kcontrol->private_value >> 24) & ES18XX_FL_INVERT;
1128 	int pm_port = (kcontrol->private_value >> 24) & ES18XX_FL_PMPORT;
1129 	unsigned char val;
1130 
1131 	val = (ucontrol->value.integer.value[0] & mask);
1132 	if (invert)
1133 		val = mask - val;
1134 	mask <<= shift;
1135 	val <<= shift;
1136 	if (pm_port) {
1137 		unsigned char cur = inb(chip->port + ES18XX_PM);
1138 
1139 		if ((cur & mask) == val)
1140 			return 0;
1141 		outb((cur & ~mask) | val, chip->port + ES18XX_PM);
1142 		return 1;
1143 	}
1144 
1145 	return snd_es18xx_reg_bits(chip, reg, mask, val) != val;
1146 }
1147 
1148 #define ES18XX_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \
1149 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1150   .info = snd_es18xx_info_double, \
1151   .get = snd_es18xx_get_double, .put = snd_es18xx_put_double, \
1152   .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) }
1153 
1154 static int snd_es18xx_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1155 {
1156 	int mask = (kcontrol->private_value >> 24) & 0xff;
1157 
1158 	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
1159 	uinfo->count = 2;
1160 	uinfo->value.integer.min = 0;
1161 	uinfo->value.integer.max = mask;
1162 	return 0;
1163 }
1164 
1165 static int snd_es18xx_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1166 {
1167 	struct snd_es18xx *chip = snd_kcontrol_chip(kcontrol);
1168 	int left_reg = kcontrol->private_value & 0xff;
1169 	int right_reg = (kcontrol->private_value >> 8) & 0xff;
1170 	int shift_left = (kcontrol->private_value >> 16) & 0x07;
1171 	int shift_right = (kcontrol->private_value >> 19) & 0x07;
1172 	int mask = (kcontrol->private_value >> 24) & 0xff;
1173 	int invert = (kcontrol->private_value >> 22) & 1;
1174 	unsigned char left, right;
1175 
1176 	left = snd_es18xx_reg_read(chip, left_reg);
1177 	if (left_reg != right_reg)
1178 		right = snd_es18xx_reg_read(chip, right_reg);
1179 	else
1180 		right = left;
1181 	ucontrol->value.integer.value[0] = (left >> shift_left) & mask;
1182 	ucontrol->value.integer.value[1] = (right >> shift_right) & mask;
1183 	if (invert) {
1184 		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
1185 		ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
1186 	}
1187 	return 0;
1188 }
1189 
1190 static int snd_es18xx_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1191 {
1192 	struct snd_es18xx *chip = snd_kcontrol_chip(kcontrol);
1193 	int left_reg = kcontrol->private_value & 0xff;
1194 	int right_reg = (kcontrol->private_value >> 8) & 0xff;
1195 	int shift_left = (kcontrol->private_value >> 16) & 0x07;
1196 	int shift_right = (kcontrol->private_value >> 19) & 0x07;
1197 	int mask = (kcontrol->private_value >> 24) & 0xff;
1198 	int invert = (kcontrol->private_value >> 22) & 1;
1199 	int change;
1200 	unsigned char val1, val2, mask1, mask2;
1201 
1202 	val1 = ucontrol->value.integer.value[0] & mask;
1203 	val2 = ucontrol->value.integer.value[1] & mask;
1204 	if (invert) {
1205 		val1 = mask - val1;
1206 		val2 = mask - val2;
1207 	}
1208 	val1 <<= shift_left;
1209 	val2 <<= shift_right;
1210 	mask1 = mask << shift_left;
1211 	mask2 = mask << shift_right;
1212 	if (left_reg != right_reg) {
1213 		change = 0;
1214 		if (snd_es18xx_reg_bits(chip, left_reg, mask1, val1) != val1)
1215 			change = 1;
1216 		if (snd_es18xx_reg_bits(chip, right_reg, mask2, val2) != val2)
1217 			change = 1;
1218 	} else {
1219 		change = (snd_es18xx_reg_bits(chip, left_reg, mask1 | mask2,
1220 					      val1 | val2) != (val1 | val2));
1221 	}
1222 	return change;
1223 }
1224 
1225 /* Mixer controls
1226  * These arrays contain setup data for mixer controls.
1227  *
1228  * The controls that are universal to all chipsets are fully initialized
1229  * here.
1230  */
1231 static const struct snd_kcontrol_new snd_es18xx_base_controls[] = {
1232 ES18XX_DOUBLE("Master Playback Volume", 0, 0x60, 0x62, 0, 0, 63, 0),
1233 ES18XX_DOUBLE("Master Playback Switch", 0, 0x60, 0x62, 6, 6, 1, 1),
1234 ES18XX_DOUBLE("Line Playback Volume", 0, 0x3e, 0x3e, 4, 0, 15, 0),
1235 ES18XX_DOUBLE("CD Playback Volume", 0, 0x38, 0x38, 4, 0, 15, 0),
1236 ES18XX_DOUBLE("FM Playback Volume", 0, 0x36, 0x36, 4, 0, 15, 0),
1237 ES18XX_DOUBLE("Mic Playback Volume", 0, 0x1a, 0x1a, 4, 0, 15, 0),
1238 ES18XX_DOUBLE("Aux Playback Volume", 0, 0x3a, 0x3a, 4, 0, 15, 0),
1239 ES18XX_SINGLE("Record Monitor", 0, 0xa8, 3, 1, 0),
1240 ES18XX_DOUBLE("Capture Volume", 0, 0xb4, 0xb4, 4, 0, 15, 0),
1241 {
1242 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1243 	.name = "Capture Source",
1244 	.info = snd_es18xx_info_mux,
1245 	.get = snd_es18xx_get_mux,
1246 	.put = snd_es18xx_put_mux,
1247 }
1248 };
1249 
1250 static const struct snd_kcontrol_new snd_es18xx_recmix_controls[] = {
1251 ES18XX_DOUBLE("PCM Capture Volume", 0, 0x69, 0x69, 4, 0, 15, 0),
1252 ES18XX_DOUBLE("Mic Capture Volume", 0, 0x68, 0x68, 4, 0, 15, 0),
1253 ES18XX_DOUBLE("Line Capture Volume", 0, 0x6e, 0x6e, 4, 0, 15, 0),
1254 ES18XX_DOUBLE("FM Capture Volume", 0, 0x6b, 0x6b, 4, 0, 15, 0),
1255 ES18XX_DOUBLE("CD Capture Volume", 0, 0x6a, 0x6a, 4, 0, 15, 0),
1256 ES18XX_DOUBLE("Aux Capture Volume", 0, 0x6c, 0x6c, 4, 0, 15, 0)
1257 };
1258 
1259 /*
1260  * The chipset specific mixer controls
1261  */
1262 static const struct snd_kcontrol_new snd_es18xx_opt_speaker =
1263 	ES18XX_SINGLE("Beep Playback Volume", 0, 0x3c, 0, 7, 0);
1264 
1265 static const struct snd_kcontrol_new snd_es18xx_opt_1869[] = {
1266 ES18XX_SINGLE("Capture Switch", 0, 0x1c, 4, 1, ES18XX_FL_INVERT),
1267 ES18XX_SINGLE("Video Playback Switch", 0, 0x7f, 0, 1, 0),
1268 ES18XX_DOUBLE("Mono Playback Volume", 0, 0x6d, 0x6d, 4, 0, 15, 0),
1269 ES18XX_DOUBLE("Mono Capture Volume", 0, 0x6f, 0x6f, 4, 0, 15, 0)
1270 };
1271 
1272 static const struct snd_kcontrol_new snd_es18xx_opt_1878 =
1273 	ES18XX_DOUBLE("Video Playback Volume", 0, 0x68, 0x68, 4, 0, 15, 0);
1274 
1275 static const struct snd_kcontrol_new snd_es18xx_opt_1879[] = {
1276 ES18XX_SINGLE("Video Playback Switch", 0, 0x71, 6, 1, 0),
1277 ES18XX_DOUBLE("Video Playback Volume", 0, 0x6d, 0x6d, 4, 0, 15, 0),
1278 ES18XX_DOUBLE("Video Capture Volume", 0, 0x6f, 0x6f, 4, 0, 15, 0)
1279 };
1280 
1281 static const struct snd_kcontrol_new snd_es18xx_pcm1_controls[] = {
1282 ES18XX_DOUBLE("PCM Playback Volume", 0, 0x14, 0x14, 4, 0, 15, 0),
1283 };
1284 
1285 static const struct snd_kcontrol_new snd_es18xx_pcm2_controls[] = {
1286 ES18XX_DOUBLE("PCM Playback Volume", 0, 0x7c, 0x7c, 4, 0, 15, 0),
1287 ES18XX_DOUBLE("PCM Playback Volume", 1, 0x14, 0x14, 4, 0, 15, 0)
1288 };
1289 
1290 static const struct snd_kcontrol_new snd_es18xx_spatializer_controls[] = {
1291 ES18XX_SINGLE("3D Control - Level", 0, 0x52, 0, 63, 0),
1292 {
1293 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1294 	.name = "3D Control - Switch",
1295 	.info = snd_es18xx_info_spatializer_enable,
1296 	.get = snd_es18xx_get_spatializer_enable,
1297 	.put = snd_es18xx_put_spatializer_enable,
1298 }
1299 };
1300 
1301 static const struct snd_kcontrol_new snd_es18xx_micpre1_control =
1302 ES18XX_SINGLE("Mic Boost (+26dB)", 0, 0xa9, 2, 1, 0);
1303 
1304 static const struct snd_kcontrol_new snd_es18xx_micpre2_control =
1305 ES18XX_SINGLE("Mic Boost (+26dB)", 0, 0x7d, 3, 1, 0);
1306 
1307 static const struct snd_kcontrol_new snd_es18xx_hw_volume_controls[] = {
1308 {
1309 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1310 	.name = "Hardware Master Playback Volume",
1311 	.access = SNDRV_CTL_ELEM_ACCESS_READ,
1312 	.info = snd_es18xx_info_hw_volume,
1313 	.get = snd_es18xx_get_hw_volume,
1314 },
1315 {
1316 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1317 	.name = "Hardware Master Playback Switch",
1318 	.access = SNDRV_CTL_ELEM_ACCESS_READ,
1319 	.info = snd_es18xx_info_hw_switch,
1320 	.get = snd_es18xx_get_hw_switch,
1321 },
1322 ES18XX_SINGLE("Hardware Master Volume Split", 0, 0x64, 7, 1, 0),
1323 };
1324 
1325 static const struct snd_kcontrol_new snd_es18xx_opt_gpo_2bit[] = {
1326 ES18XX_SINGLE("GPO0 Switch", 0, ES18XX_PM, 0, 1, ES18XX_FL_PMPORT),
1327 ES18XX_SINGLE("GPO1 Switch", 0, ES18XX_PM, 1, 1, ES18XX_FL_PMPORT),
1328 };
1329 
1330 static int snd_es18xx_config_read(struct snd_es18xx *chip, unsigned char reg)
1331 {
1332 	outb(reg, chip->ctrl_port);
1333 	return inb(chip->ctrl_port + 1);
1334 }
1335 
1336 static void snd_es18xx_config_write(struct snd_es18xx *chip,
1337 				    unsigned char reg, unsigned char data)
1338 {
1339 	/* No need for spinlocks, this function is used only in
1340 	   otherwise protected init code */
1341 	outb(reg, chip->ctrl_port);
1342 	outb(data, chip->ctrl_port + 1);
1343 #ifdef REG_DEBUG
1344 	dev_dbg(chip->card->dev, "Config reg %02x set to %02x\n", reg, data);
1345 #endif
1346 }
1347 
1348 static int snd_es18xx_initialize(struct snd_es18xx *chip,
1349 				 unsigned long mpu_port,
1350 				 unsigned long fm_port)
1351 {
1352 	int mask = 0;
1353 
1354         /* enable extended mode */
1355         snd_es18xx_dsp_command(chip, 0xC6);
1356 	/* Reset mixer registers */
1357 	snd_es18xx_mixer_write(chip, 0x00, 0x00);
1358 
1359         /* Audio 1 DMA demand mode (4 bytes/request) */
1360         snd_es18xx_write(chip, 0xB9, 2);
1361 	if (chip->caps & ES18XX_CONTROL) {
1362 		/* Hardware volume IRQ */
1363 		snd_es18xx_config_write(chip, 0x27, chip->irq);
1364 		if (fm_port > 0 && fm_port != SNDRV_AUTO_PORT) {
1365 			/* FM I/O */
1366 			snd_es18xx_config_write(chip, 0x62, fm_port >> 8);
1367 			snd_es18xx_config_write(chip, 0x63, fm_port & 0xff);
1368 		}
1369 		if (mpu_port > 0 && mpu_port != SNDRV_AUTO_PORT) {
1370 			/* MPU-401 I/O */
1371 			snd_es18xx_config_write(chip, 0x64, mpu_port >> 8);
1372 			snd_es18xx_config_write(chip, 0x65, mpu_port & 0xff);
1373 			/* MPU-401 IRQ */
1374 			snd_es18xx_config_write(chip, 0x28, chip->irq);
1375 		}
1376 		/* Audio1 IRQ */
1377 		snd_es18xx_config_write(chip, 0x70, chip->irq);
1378 		/* Audio2 IRQ */
1379 		snd_es18xx_config_write(chip, 0x72, chip->irq);
1380 		/* Audio1 DMA */
1381 		snd_es18xx_config_write(chip, 0x74, chip->dma1);
1382 		/* Audio2 DMA */
1383 		snd_es18xx_config_write(chip, 0x75, chip->dma2);
1384 
1385 		/* Enable Audio 1 IRQ */
1386 		snd_es18xx_write(chip, 0xB1, 0x50);
1387 		/* Enable Audio 2 IRQ */
1388 		snd_es18xx_mixer_write(chip, 0x7A, 0x40);
1389 		/* Enable Audio 1 DMA */
1390 		snd_es18xx_write(chip, 0xB2, 0x50);
1391 		/* Enable MPU and hardware volume interrupt */
1392 		snd_es18xx_mixer_write(chip, 0x64, 0x42);
1393 		/* Enable ESS wavetable input */
1394 		snd_es18xx_mixer_bits(chip, 0x48, 0x10, 0x10);
1395 	}
1396 	else {
1397 		int irqmask, dma1mask, dma2mask;
1398 		switch (chip->irq) {
1399 		case 2:
1400 		case 9:
1401 			irqmask = 0;
1402 			break;
1403 		case 5:
1404 			irqmask = 1;
1405 			break;
1406 		case 7:
1407 			irqmask = 2;
1408 			break;
1409 		case 10:
1410 			irqmask = 3;
1411 			break;
1412 		default:
1413 			dev_err(chip->card->dev, "invalid irq %d\n", chip->irq);
1414 			return -ENODEV;
1415 		}
1416 		switch (chip->dma1) {
1417 		case 0:
1418 			dma1mask = 1;
1419 			break;
1420 		case 1:
1421 			dma1mask = 2;
1422 			break;
1423 		case 3:
1424 			dma1mask = 3;
1425 			break;
1426 		default:
1427 			dev_err(chip->card->dev, "invalid dma1 %d\n", chip->dma1);
1428 			return -ENODEV;
1429 		}
1430 		switch (chip->dma2) {
1431 		case 0:
1432 			dma2mask = 0;
1433 			break;
1434 		case 1:
1435 			dma2mask = 1;
1436 			break;
1437 		case 3:
1438 			dma2mask = 2;
1439 			break;
1440 		case 5:
1441 			dma2mask = 3;
1442 			break;
1443 		default:
1444 			dev_err(chip->card->dev, "invalid dma2 %d\n", chip->dma2);
1445 			return -ENODEV;
1446 		}
1447 
1448 		/* Enable and set Audio 1 IRQ */
1449 		snd_es18xx_write(chip, 0xB1, 0x50 | (irqmask << 2));
1450 		/* Enable and set Audio 1 DMA */
1451 		snd_es18xx_write(chip, 0xB2, 0x50 | (dma1mask << 2));
1452 		/* Set Audio 2 DMA */
1453 		snd_es18xx_mixer_bits(chip, 0x7d, 0x07, 0x04 | dma2mask);
1454 		/* Enable Audio 2 IRQ and DMA
1455 		   Set capture mixer input */
1456 		snd_es18xx_mixer_write(chip, 0x7A, 0x68);
1457 		/* Enable and set hardware volume interrupt */
1458 		snd_es18xx_mixer_write(chip, 0x64, 0x06);
1459 		if (mpu_port > 0 && mpu_port != SNDRV_AUTO_PORT) {
1460 			/* MPU401 share irq with audio
1461 			   Joystick enabled
1462 			   FM enabled */
1463 			snd_es18xx_mixer_write(chip, 0x40,
1464 					       0x43 | (mpu_port & 0xf0) >> 1);
1465 		}
1466 		snd_es18xx_mixer_write(chip, 0x7f, ((irqmask + 1) << 1) | 0x01);
1467 	}
1468 	if (chip->caps & ES18XX_NEW_RATE) {
1469 		/* Change behaviour of register A1
1470 		   4x oversampling
1471 		   2nd channel DAC asynchronous */
1472 		snd_es18xx_mixer_write(chip, 0x71, 0x32);
1473 	}
1474 	if (!(chip->caps & ES18XX_PCM2)) {
1475 		/* Enable DMA FIFO */
1476 		snd_es18xx_write(chip, 0xB7, 0x80);
1477 	}
1478 	if (chip->caps & ES18XX_SPATIALIZER) {
1479 		/* Set spatializer parameters to recommended values */
1480 		snd_es18xx_mixer_write(chip, 0x54, 0x8f);
1481 		snd_es18xx_mixer_write(chip, 0x56, 0x95);
1482 		snd_es18xx_mixer_write(chip, 0x58, 0x94);
1483 		snd_es18xx_mixer_write(chip, 0x5a, 0x80);
1484 	}
1485 	/* Flip the "enable I2S" bits for those chipsets that need it */
1486 	switch (chip->version) {
1487 	case 0x1879:
1488 		//Leaving I2S enabled on the 1879 screws up the PCM playback (rate effected somehow)
1489 		//so a Switch control has been added to toggle this 0x71 bit on/off:
1490 		//snd_es18xx_mixer_bits(chip, 0x71, 0x40, 0x40);
1491 		/* Note: we fall through on purpose here. */
1492 	case 0x1878:
1493 		snd_es18xx_config_write(chip, 0x29, snd_es18xx_config_read(chip, 0x29) | 0x40);
1494 		break;
1495 	}
1496 	/* Mute input source */
1497 	if (chip->caps & ES18XX_MUTEREC)
1498 		mask = 0x10;
1499 	if (chip->caps & ES18XX_RECMIX)
1500 		snd_es18xx_mixer_write(chip, 0x1c, 0x05 | mask);
1501 	else {
1502 		snd_es18xx_mixer_write(chip, 0x1c, 0x00 | mask);
1503 		snd_es18xx_write(chip, 0xb4, 0x00);
1504 	}
1505 #ifndef AVOID_POPS
1506 	/* Enable PCM output */
1507 	snd_es18xx_dsp_command(chip, 0xD1);
1508 #endif
1509 
1510         return 0;
1511 }
1512 
1513 static int snd_es18xx_identify(struct snd_card *card, struct snd_es18xx *chip)
1514 {
1515 	int hi,lo;
1516 
1517 	/* reset */
1518 	if (snd_es18xx_reset(chip) < 0) {
1519 		dev_err(card->dev, "reset at 0x%lx failed!!!\n", chip->port);
1520 		return -ENODEV;
1521 	}
1522 
1523 	snd_es18xx_dsp_command(chip, 0xe7);
1524 	hi = snd_es18xx_dsp_get_byte(chip);
1525 	if (hi < 0) {
1526 		return hi;
1527 	}
1528 	lo = snd_es18xx_dsp_get_byte(chip);
1529 	if ((lo & 0xf0) != 0x80) {
1530 		return -ENODEV;
1531 	}
1532 	if (hi == 0x48) {
1533 		chip->version = 0x488;
1534 		return 0;
1535 	}
1536 	if (hi != 0x68) {
1537 		return -ENODEV;
1538 	}
1539 	if ((lo & 0x0f) < 8) {
1540 		chip->version = 0x688;
1541 		return 0;
1542 	}
1543 
1544         outb(0x40, chip->port + 0x04);
1545 	udelay(10);
1546 	hi = inb(chip->port + 0x05);
1547 	udelay(10);
1548 	lo = inb(chip->port + 0x05);
1549 	if (hi != lo) {
1550 		chip->version = hi << 8 | lo;
1551 		chip->ctrl_port = inb(chip->port + 0x05) << 8;
1552 		udelay(10);
1553 		chip->ctrl_port += inb(chip->port + 0x05);
1554 
1555 		if (!devm_request_region(card->dev, chip->ctrl_port, 8,
1556 					 "ES18xx - CTRL")) {
1557 			dev_err(card->dev, "unable go grab port 0x%lx\n", chip->ctrl_port);
1558 			return -EBUSY;
1559 		}
1560 
1561 		return 0;
1562 	}
1563 
1564 	/* If has Hardware volume */
1565 	if (snd_es18xx_mixer_writable(chip, 0x64, 0x04)) {
1566 		/* If has Audio2 */
1567 		if (snd_es18xx_mixer_writable(chip, 0x70, 0x7f)) {
1568 			/* If has volume count */
1569 			if (snd_es18xx_mixer_writable(chip, 0x64, 0x20)) {
1570 				chip->version = 0x1887;
1571 			} else {
1572 				chip->version = 0x1888;
1573 			}
1574 		} else {
1575 			chip->version = 0x1788;
1576 		}
1577 	}
1578 	else
1579 		chip->version = 0x1688;
1580 	return 0;
1581 }
1582 
1583 static int snd_es18xx_probe(struct snd_card *card,
1584 			    struct snd_es18xx *chip,
1585 			    unsigned long mpu_port,
1586 			    unsigned long fm_port)
1587 {
1588 	if (snd_es18xx_identify(card, chip) < 0) {
1589 		dev_err(card->dev, "[0x%lx] ESS chip not found\n", chip->port);
1590                 return -ENODEV;
1591 	}
1592 
1593 	switch (chip->version) {
1594 	case 0x1868:
1595 		chip->caps = ES18XX_DUPLEX_MONO | ES18XX_DUPLEX_SAME | ES18XX_CONTROL | ES18XX_GPO_2BIT;
1596 		break;
1597 	case 0x1869:
1598 		chip->caps = ES18XX_PCM2 | ES18XX_SPATIALIZER | ES18XX_RECMIX | ES18XX_NEW_RATE | ES18XX_AUXB | ES18XX_MONO | ES18XX_MUTEREC | ES18XX_CONTROL | ES18XX_HWV | ES18XX_GPO_2BIT;
1599 		break;
1600 	case 0x1878:
1601 		chip->caps = ES18XX_DUPLEX_MONO | ES18XX_DUPLEX_SAME | ES18XX_I2S | ES18XX_CONTROL;
1602 		break;
1603 	case 0x1879:
1604 		chip->caps = ES18XX_PCM2 | ES18XX_SPATIALIZER | ES18XX_RECMIX | ES18XX_NEW_RATE | ES18XX_AUXB | ES18XX_I2S | ES18XX_CONTROL | ES18XX_HWV;
1605 		break;
1606 	case 0x1887:
1607 	case 0x1888:
1608 		chip->caps = ES18XX_PCM2 | ES18XX_RECMIX | ES18XX_AUXB | ES18XX_DUPLEX_SAME | ES18XX_GPO_2BIT;
1609 		break;
1610 	default:
1611 		dev_err(card->dev, "[0x%lx] unsupported chip ES%x\n",
1612 			chip->port, chip->version);
1613                 return -ENODEV;
1614         }
1615 
1616 	dev_dbg(card->dev, "[0x%lx] ESS%x chip found\n", chip->port, chip->version);
1617 
1618 	if (chip->dma1 == chip->dma2)
1619 		chip->caps &= ~(ES18XX_PCM2 | ES18XX_DUPLEX_SAME);
1620 
1621 	return snd_es18xx_initialize(chip, mpu_port, fm_port);
1622 }
1623 
1624 static const struct snd_pcm_ops snd_es18xx_playback_ops = {
1625 	.open =		snd_es18xx_playback_open,
1626 	.close =	snd_es18xx_playback_close,
1627 	.hw_params =	snd_es18xx_playback_hw_params,
1628 	.prepare =	snd_es18xx_playback_prepare,
1629 	.trigger =	snd_es18xx_playback_trigger,
1630 	.pointer =	snd_es18xx_playback_pointer,
1631 };
1632 
1633 static const struct snd_pcm_ops snd_es18xx_capture_ops = {
1634 	.open =		snd_es18xx_capture_open,
1635 	.close =	snd_es18xx_capture_close,
1636 	.hw_params =	snd_es18xx_capture_hw_params,
1637 	.prepare =	snd_es18xx_capture_prepare,
1638 	.trigger =	snd_es18xx_capture_trigger,
1639 	.pointer =	snd_es18xx_capture_pointer,
1640 };
1641 
1642 static int snd_es18xx_pcm(struct snd_card *card, int device)
1643 {
1644 	struct snd_es18xx *chip = card->private_data;
1645         struct snd_pcm *pcm;
1646 	char str[16];
1647 	int err;
1648 
1649 	sprintf(str, "ES%x", chip->version);
1650 	if (chip->caps & ES18XX_PCM2)
1651 		err = snd_pcm_new(card, str, device, 2, 1, &pcm);
1652 	else
1653 		err = snd_pcm_new(card, str, device, 1, 1, &pcm);
1654         if (err < 0)
1655                 return err;
1656 
1657 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_es18xx_playback_ops);
1658 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_es18xx_capture_ops);
1659 
1660 	/* global setup */
1661         pcm->private_data = chip;
1662         pcm->info_flags = 0;
1663 	if (chip->caps & ES18XX_DUPLEX_SAME)
1664 		pcm->info_flags |= SNDRV_PCM_INFO_JOINT_DUPLEX;
1665 	if (! (chip->caps & ES18XX_PCM2))
1666 		pcm->info_flags |= SNDRV_PCM_INFO_HALF_DUPLEX;
1667 	sprintf(pcm->name, "ESS AudioDrive ES%x", chip->version);
1668         chip->pcm = pcm;
1669 
1670 	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, card->dev,
1671 				       64*1024,
1672 				       chip->dma1 > 3 || chip->dma2 > 3 ? 128*1024 : 64*1024);
1673 	return 0;
1674 }
1675 
1676 /* Power Management support functions */
1677 #ifdef CONFIG_PM
1678 static int snd_es18xx_suspend(struct snd_card *card, pm_message_t state)
1679 {
1680 	struct snd_es18xx *chip = card->private_data;
1681 
1682 	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1683 
1684 	/* power down */
1685 	chip->pm_reg = (unsigned char)snd_es18xx_read(chip, ES18XX_PM);
1686 	chip->pm_reg |= (ES18XX_PM_FM | ES18XX_PM_SUS);
1687 	snd_es18xx_write(chip, ES18XX_PM, chip->pm_reg);
1688 	snd_es18xx_write(chip, ES18XX_PM, chip->pm_reg ^= ES18XX_PM_SUS);
1689 
1690 	return 0;
1691 }
1692 
1693 static int snd_es18xx_resume(struct snd_card *card)
1694 {
1695 	struct snd_es18xx *chip = card->private_data;
1696 
1697 	/* restore PM register, we won't wake till (not 0x07) i/o activity though */
1698 	snd_es18xx_write(chip, ES18XX_PM, chip->pm_reg ^= ES18XX_PM_FM);
1699 
1700 	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1701 	return 0;
1702 }
1703 #endif /* CONFIG_PM */
1704 
1705 static int snd_es18xx_new_device(struct snd_card *card,
1706 				 unsigned long port,
1707 				 unsigned long mpu_port,
1708 				 unsigned long fm_port,
1709 				 int irq, int dma1, int dma2)
1710 {
1711 	struct snd_es18xx *chip = card->private_data;
1712 
1713 	chip->card = card;
1714 	spin_lock_init(&chip->reg_lock);
1715  	spin_lock_init(&chip->mixer_lock);
1716         chip->port = port;
1717         chip->irq = -1;
1718         chip->dma1 = -1;
1719         chip->dma2 = -1;
1720         chip->audio2_vol = 0x00;
1721 	chip->active = 0;
1722 
1723 	if (!devm_request_region(card->dev, port, 16, "ES18xx")) {
1724 		dev_err(card->dev, "unable to grab ports 0x%lx-0x%lx\n", port, port + 16 - 1);
1725 		return -EBUSY;
1726 	}
1727 
1728 	if (devm_request_irq(card->dev, irq, snd_es18xx_interrupt, 0, "ES18xx",
1729 			     (void *) card)) {
1730 		dev_err(card->dev, "unable to grab IRQ %d\n", irq);
1731 		return -EBUSY;
1732 	}
1733 	chip->irq = irq;
1734 	card->sync_irq = chip->irq;
1735 
1736 	if (snd_devm_request_dma(card->dev, dma1, "ES18xx DMA 1")) {
1737 		dev_err(card->dev, "unable to grab DMA1 %d\n", dma1);
1738 		return -EBUSY;
1739 	}
1740 	chip->dma1 = dma1;
1741 
1742 	if (dma2 != dma1 &&
1743 	    snd_devm_request_dma(card->dev, dma2, "ES18xx DMA 2")) {
1744 		dev_err(card->dev, "unable to grab DMA2 %d\n", dma2);
1745 		return -EBUSY;
1746 	}
1747 	chip->dma2 = dma2;
1748 
1749 	if (snd_es18xx_probe(card, chip, mpu_port, fm_port) < 0)
1750 		return -ENODEV;
1751         return 0;
1752 }
1753 
1754 static int snd_es18xx_mixer(struct snd_card *card)
1755 {
1756 	struct snd_es18xx *chip = card->private_data;
1757 	int err;
1758 	unsigned int idx;
1759 
1760 	strscpy(card->mixername, chip->pcm->name);
1761 
1762 	for (idx = 0; idx < ARRAY_SIZE(snd_es18xx_base_controls); idx++) {
1763 		struct snd_kcontrol *kctl;
1764 		kctl = snd_ctl_new1(&snd_es18xx_base_controls[idx], chip);
1765 		if (chip->caps & ES18XX_HWV) {
1766 			switch (idx) {
1767 			case 0:
1768 				chip->master_volume = kctl;
1769 				kctl->private_free = snd_es18xx_hwv_free;
1770 				break;
1771 			case 1:
1772 				chip->master_switch = kctl;
1773 				kctl->private_free = snd_es18xx_hwv_free;
1774 				break;
1775 			}
1776 		}
1777 		err = snd_ctl_add(card, kctl);
1778 		if (err < 0)
1779 			return err;
1780 	}
1781 	if (chip->caps & ES18XX_PCM2) {
1782 		for (idx = 0; idx < ARRAY_SIZE(snd_es18xx_pcm2_controls); idx++) {
1783 			err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_pcm2_controls[idx], chip));
1784 			if (err < 0)
1785 				return err;
1786 		}
1787 	} else {
1788 		for (idx = 0; idx < ARRAY_SIZE(snd_es18xx_pcm1_controls); idx++) {
1789 			err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_pcm1_controls[idx], chip));
1790 			if (err < 0)
1791 				return err;
1792 		}
1793 	}
1794 
1795 	if (chip->caps & ES18XX_RECMIX) {
1796 		for (idx = 0; idx < ARRAY_SIZE(snd_es18xx_recmix_controls); idx++) {
1797 			err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_recmix_controls[idx], chip));
1798 			if (err < 0)
1799 				return err;
1800 		}
1801 	}
1802 	switch (chip->version) {
1803 	default:
1804 		err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_micpre1_control, chip));
1805 		if (err < 0)
1806 			return err;
1807 		break;
1808 	case 0x1869:
1809 	case 0x1879:
1810 		err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_micpre2_control, chip));
1811 		if (err < 0)
1812 			return err;
1813 		break;
1814 	}
1815 	if (chip->caps & ES18XX_SPATIALIZER) {
1816 		for (idx = 0; idx < ARRAY_SIZE(snd_es18xx_spatializer_controls); idx++) {
1817 			err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_spatializer_controls[idx], chip));
1818 			if (err < 0)
1819 				return err;
1820 		}
1821 	}
1822 	if (chip->caps & ES18XX_HWV) {
1823 		for (idx = 0; idx < ARRAY_SIZE(snd_es18xx_hw_volume_controls); idx++) {
1824 			struct snd_kcontrol *kctl;
1825 			kctl = snd_ctl_new1(&snd_es18xx_hw_volume_controls[idx], chip);
1826 			if (idx == 0)
1827 				chip->hw_volume = kctl;
1828 			else
1829 				chip->hw_switch = kctl;
1830 			kctl->private_free = snd_es18xx_hwv_free;
1831 			err = snd_ctl_add(card, kctl);
1832 			if (err < 0)
1833 				return err;
1834 
1835 		}
1836 	}
1837 	/* finish initializing other chipset specific controls
1838 	 */
1839 	if (chip->version != 0x1868) {
1840 		err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_opt_speaker,
1841 						     chip));
1842 		if (err < 0)
1843 			return err;
1844 	}
1845 	if (chip->version == 0x1869) {
1846 		for (idx = 0; idx < ARRAY_SIZE(snd_es18xx_opt_1869); idx++) {
1847 			err = snd_ctl_add(card,
1848 					  snd_ctl_new1(&snd_es18xx_opt_1869[idx],
1849 						       chip));
1850 			if (err < 0)
1851 				return err;
1852 		}
1853 	} else if (chip->version == 0x1878) {
1854 		err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_opt_1878,
1855 						     chip));
1856 		if (err < 0)
1857 			return err;
1858 	} else if (chip->version == 0x1879) {
1859 		for (idx = 0; idx < ARRAY_SIZE(snd_es18xx_opt_1879); idx++) {
1860 			err = snd_ctl_add(card,
1861 					  snd_ctl_new1(&snd_es18xx_opt_1879[idx],
1862 						       chip));
1863 			if (err < 0)
1864 				return err;
1865 		}
1866 	}
1867 	if (chip->caps & ES18XX_GPO_2BIT) {
1868 		for (idx = 0; idx < ARRAY_SIZE(snd_es18xx_opt_gpo_2bit); idx++) {
1869 			err = snd_ctl_add(card,
1870 					  snd_ctl_new1(&snd_es18xx_opt_gpo_2bit[idx],
1871 						       chip));
1872 			if (err < 0)
1873 				return err;
1874 		}
1875 	}
1876 	return 0;
1877 }
1878 
1879 
1880 /* Card level */
1881 
1882 MODULE_AUTHOR("Christian Fischbach <fishbach@pool.informatik.rwth-aachen.de>, Abramo Bagnara <abramo@alsa-project.org>");
1883 MODULE_DESCRIPTION("ESS ES18xx AudioDrive");
1884 MODULE_LICENSE("GPL");
1885 
1886 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
1887 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
1888 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; /* Enable this card */
1889 #ifdef CONFIG_PNP
1890 static bool isapnp[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP;
1891 #endif
1892 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* 0x220,0x240,0x260,0x280 */
1893 #ifndef CONFIG_PNP
1894 static long mpu_port[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
1895 #else
1896 static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
1897 #endif
1898 static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
1899 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 5,7,9,10 */
1900 static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 0,1,3 */
1901 static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 0,1,3 */
1902 
1903 module_param_array(index, int, NULL, 0444);
1904 MODULE_PARM_DESC(index, "Index value for ES18xx soundcard.");
1905 module_param_array(id, charp, NULL, 0444);
1906 MODULE_PARM_DESC(id, "ID string for ES18xx soundcard.");
1907 module_param_array(enable, bool, NULL, 0444);
1908 MODULE_PARM_DESC(enable, "Enable ES18xx soundcard.");
1909 #ifdef CONFIG_PNP
1910 module_param_array(isapnp, bool, NULL, 0444);
1911 MODULE_PARM_DESC(isapnp, "PnP detection for specified soundcard.");
1912 #endif
1913 module_param_hw_array(port, long, ioport, NULL, 0444);
1914 MODULE_PARM_DESC(port, "Port # for ES18xx driver.");
1915 module_param_hw_array(mpu_port, long, ioport, NULL, 0444);
1916 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for ES18xx driver.");
1917 module_param_hw_array(fm_port, long, ioport, NULL, 0444);
1918 MODULE_PARM_DESC(fm_port, "FM port # for ES18xx driver.");
1919 module_param_hw_array(irq, int, irq, NULL, 0444);
1920 MODULE_PARM_DESC(irq, "IRQ # for ES18xx driver.");
1921 module_param_hw_array(dma1, int, dma, NULL, 0444);
1922 MODULE_PARM_DESC(dma1, "DMA 1 # for ES18xx driver.");
1923 module_param_hw_array(dma2, int, dma, NULL, 0444);
1924 MODULE_PARM_DESC(dma2, "DMA 2 # for ES18xx driver.");
1925 
1926 #ifdef CONFIG_PNP
1927 static int isa_registered;
1928 static int pnp_registered;
1929 static int pnpc_registered;
1930 
1931 static const struct pnp_device_id snd_audiodrive_pnpbiosids[] = {
1932 	{ .id = "ESS1869" },
1933 	{ .id = "ESS1879" },
1934 	{ .id = "" }		/* end */
1935 };
1936 
1937 MODULE_DEVICE_TABLE(pnp, snd_audiodrive_pnpbiosids);
1938 
1939 /* PnP main device initialization */
1940 static int snd_audiodrive_pnp_init_main(int dev, struct pnp_dev *pdev)
1941 {
1942 	if (pnp_activate_dev(pdev) < 0) {
1943 		dev_err(&pdev->dev, "PnP configure failure (out of resources?)\n");
1944 		return -EBUSY;
1945 	}
1946 	/* ok. hack using Vendor-Defined Card-Level registers */
1947 	/* skip csn and logdev initialization - already done in isapnp_configure */
1948 	if (pnp_device_is_isapnp(pdev)) {
1949 		isapnp_cfg_begin(isapnp_card_number(pdev), isapnp_csn_number(pdev));
1950 		isapnp_write_byte(0x27, pnp_irq(pdev, 0));	/* Hardware Volume IRQ Number */
1951 		if (mpu_port[dev] != SNDRV_AUTO_PORT)
1952 			isapnp_write_byte(0x28, pnp_irq(pdev, 0)); /* MPU-401 IRQ Number */
1953 		isapnp_write_byte(0x72, pnp_irq(pdev, 0));	/* second IRQ */
1954 		isapnp_cfg_end();
1955 	}
1956 	port[dev] = pnp_port_start(pdev, 0);
1957 	fm_port[dev] = pnp_port_start(pdev, 1);
1958 	mpu_port[dev] = pnp_port_start(pdev, 2);
1959 	dma1[dev] = pnp_dma(pdev, 0);
1960 	dma2[dev] = pnp_dma(pdev, 1);
1961 	irq[dev] = pnp_irq(pdev, 0);
1962 	dev_dbg(&pdev->dev,
1963 		"PnP ES18xx: port=0x%lx, fm port=0x%lx, mpu port=0x%lx\n",
1964 		port[dev], fm_port[dev], mpu_port[dev]);
1965 	dev_dbg(&pdev->dev,
1966 		"PnP ES18xx: dma1=%i, dma2=%i, irq=%i\n",
1967 		dma1[dev], dma2[dev], irq[dev]);
1968 	return 0;
1969 }
1970 
1971 static int snd_audiodrive_pnp(int dev, struct snd_es18xx *chip,
1972 			      struct pnp_dev *pdev)
1973 {
1974 	chip->dev = pdev;
1975 	if (snd_audiodrive_pnp_init_main(dev, chip->dev) < 0)
1976 		return -EBUSY;
1977 	return 0;
1978 }
1979 
1980 static const struct pnp_card_device_id snd_audiodrive_pnpids[] = {
1981 	/* ESS 1868 (integrated on Compaq dual P-Pro motherboard and Genius 18PnP 3D) */
1982 	{ .id = "ESS1868", .devs = { { "ESS1868" }, { "ESS0000" } } },
1983 	/* ESS 1868 (integrated on Maxisound Cards) */
1984 	{ .id = "ESS1868", .devs = { { "ESS8601" }, { "ESS8600" } } },
1985 	/* ESS 1868 (integrated on Maxisound Cards) */
1986 	{ .id = "ESS1868", .devs = { { "ESS8611" }, { "ESS8610" } } },
1987 	/* ESS ES1869 Plug and Play AudioDrive */
1988 	{ .id = "ESS0003", .devs = { { "ESS1869" }, { "ESS0006" } } },
1989 	/* ESS 1869 */
1990 	{ .id = "ESS1869", .devs = { { "ESS1869" }, { "ESS0006" } } },
1991 	/* ESS 1878 */
1992 	{ .id = "ESS1878", .devs = { { "ESS1878" }, { "ESS0004" } } },
1993 	/* ESS 1879 */
1994 	{ .id = "ESS1879", .devs = { { "ESS1879" }, { "ESS0009" } } },
1995 	/* --- */
1996 	{ .id = "" } /* end */
1997 };
1998 
1999 MODULE_DEVICE_TABLE(pnp_card, snd_audiodrive_pnpids);
2000 
2001 static int snd_audiodrive_pnpc(int dev, struct snd_es18xx *chip,
2002 			       struct pnp_card_link *card,
2003 			       const struct pnp_card_device_id *id)
2004 {
2005 	chip->dev = pnp_request_card_device(card, id->devs[0].id, NULL);
2006 	if (chip->dev == NULL)
2007 		return -EBUSY;
2008 
2009 	chip->devc = pnp_request_card_device(card, id->devs[1].id, NULL);
2010 	if (chip->devc == NULL)
2011 		return -EBUSY;
2012 
2013 	/* Control port initialization */
2014 	if (pnp_activate_dev(chip->devc) < 0) {
2015 		dev_err(chip->card->dev,
2016 			"PnP control configure failure (out of resources?)\n");
2017 		return -EAGAIN;
2018 	}
2019 	dev_dbg(chip->card->dev, "pnp: port=0x%llx\n",
2020 		(unsigned long long)pnp_port_start(chip->devc, 0));
2021 	if (snd_audiodrive_pnp_init_main(dev, chip->dev) < 0)
2022 		return -EBUSY;
2023 
2024 	return 0;
2025 }
2026 #endif /* CONFIG_PNP */
2027 
2028 #ifdef CONFIG_PNP
2029 #define is_isapnp_selected(dev)		isapnp[dev]
2030 #else
2031 #define is_isapnp_selected(dev)		0
2032 #endif
2033 
2034 static int snd_es18xx_card_new(struct device *pdev, int dev,
2035 			       struct snd_card **cardp)
2036 {
2037 	return snd_devm_card_new(pdev, index[dev], id[dev], THIS_MODULE,
2038 				 sizeof(struct snd_es18xx), cardp);
2039 }
2040 
2041 static int snd_audiodrive_probe(struct snd_card *card, int dev)
2042 {
2043 	struct snd_es18xx *chip = card->private_data;
2044 	struct snd_opl3 *opl3;
2045 	int err;
2046 
2047 	err = snd_es18xx_new_device(card,
2048 				    port[dev], mpu_port[dev], fm_port[dev],
2049 				    irq[dev], dma1[dev], dma2[dev]);
2050 	if (err < 0)
2051 		return err;
2052 
2053 	sprintf(card->driver, "ES%x", chip->version);
2054 
2055 	sprintf(card->shortname, "ESS AudioDrive ES%x", chip->version);
2056 	if (dma1[dev] != dma2[dev])
2057 		sprintf(card->longname, "%s at 0x%lx, irq %d, dma1 %d, dma2 %d",
2058 			card->shortname,
2059 			chip->port,
2060 			irq[dev], dma1[dev], dma2[dev]);
2061 	else
2062 		sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d",
2063 			card->shortname,
2064 			chip->port,
2065 			irq[dev], dma1[dev]);
2066 
2067 	err = snd_es18xx_pcm(card, 0);
2068 	if (err < 0)
2069 		return err;
2070 
2071 	err = snd_es18xx_mixer(card);
2072 	if (err < 0)
2073 		return err;
2074 
2075 	if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) {
2076 		if (snd_opl3_create(card, fm_port[dev], fm_port[dev] + 2,
2077 				    OPL3_HW_OPL3, 0, &opl3) < 0) {
2078 			dev_warn(card->dev,
2079 				 "opl3 not detected at 0x%lx\n",
2080 				 fm_port[dev]);
2081 		} else {
2082 			err = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
2083 			if (err < 0)
2084 				return err;
2085 		}
2086 	}
2087 
2088 	if (mpu_port[dev] > 0 && mpu_port[dev] != SNDRV_AUTO_PORT) {
2089 		err = snd_mpu401_uart_new(card, 0, MPU401_HW_ES18XX,
2090 					  mpu_port[dev], MPU401_INFO_IRQ_HOOK,
2091 					  -1, &chip->rmidi);
2092 		if (err < 0)
2093 			return err;
2094 	}
2095 
2096 	return snd_card_register(card);
2097 }
2098 
2099 static int snd_es18xx_isa_match(struct device *pdev, unsigned int dev)
2100 {
2101 	return enable[dev] && !is_isapnp_selected(dev);
2102 }
2103 
2104 static int snd_es18xx_isa_probe1(int dev, struct device *devptr)
2105 {
2106 	struct snd_card *card;
2107 	int err;
2108 
2109 	err = snd_es18xx_card_new(devptr, dev, &card);
2110 	if (err < 0)
2111 		return err;
2112 	err = snd_audiodrive_probe(card, dev);
2113 	if (err < 0)
2114 		return err;
2115 	dev_set_drvdata(devptr, card);
2116 	return 0;
2117 }
2118 
2119 static int snd_es18xx_isa_probe(struct device *pdev, unsigned int dev)
2120 {
2121 	int err;
2122 	static const int possible_irqs[] = {5, 9, 10, 7, 11, 12, -1};
2123 	static const int possible_dmas[] = {1, 0, 3, 5, -1};
2124 
2125 	if (irq[dev] == SNDRV_AUTO_IRQ) {
2126 		irq[dev] = snd_legacy_find_free_irq(possible_irqs);
2127 		if (irq[dev] < 0) {
2128 			dev_err(pdev, "unable to find a free IRQ\n");
2129 			return -EBUSY;
2130 		}
2131 	}
2132 	if (dma1[dev] == SNDRV_AUTO_DMA) {
2133 		dma1[dev] = snd_legacy_find_free_dma(possible_dmas);
2134 		if (dma1[dev] < 0) {
2135 			dev_err(pdev, "unable to find a free DMA1\n");
2136 			return -EBUSY;
2137 		}
2138 	}
2139 	if (dma2[dev] == SNDRV_AUTO_DMA) {
2140 		dma2[dev] = snd_legacy_find_free_dma(possible_dmas);
2141 		if (dma2[dev] < 0) {
2142 			dev_err(pdev, "unable to find a free DMA2\n");
2143 			return -EBUSY;
2144 		}
2145 	}
2146 
2147 	if (port[dev] != SNDRV_AUTO_PORT) {
2148 		return snd_es18xx_isa_probe1(dev, pdev);
2149 	} else {
2150 		static const unsigned long possible_ports[] = {0x220, 0x240, 0x260, 0x280};
2151 		int i;
2152 		for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
2153 			port[dev] = possible_ports[i];
2154 			err = snd_es18xx_isa_probe1(dev, pdev);
2155 			if (! err)
2156 				return 0;
2157 		}
2158 		return err;
2159 	}
2160 }
2161 
2162 #ifdef CONFIG_PM
2163 static int snd_es18xx_isa_suspend(struct device *dev, unsigned int n,
2164 				  pm_message_t state)
2165 {
2166 	return snd_es18xx_suspend(dev_get_drvdata(dev), state);
2167 }
2168 
2169 static int snd_es18xx_isa_resume(struct device *dev, unsigned int n)
2170 {
2171 	return snd_es18xx_resume(dev_get_drvdata(dev));
2172 }
2173 #endif
2174 
2175 #define DEV_NAME "es18xx"
2176 
2177 static struct isa_driver snd_es18xx_isa_driver = {
2178 	.match		= snd_es18xx_isa_match,
2179 	.probe		= snd_es18xx_isa_probe,
2180 #ifdef CONFIG_PM
2181 	.suspend	= snd_es18xx_isa_suspend,
2182 	.resume		= snd_es18xx_isa_resume,
2183 #endif
2184 	.driver		= {
2185 		.name	= DEV_NAME
2186 	},
2187 };
2188 
2189 
2190 #ifdef CONFIG_PNP
2191 static int snd_audiodrive_pnp_detect(struct pnp_dev *pdev,
2192 				     const struct pnp_device_id *id)
2193 {
2194 	static int dev;
2195 	int err;
2196 	struct snd_card *card;
2197 
2198 	if (pnp_device_is_isapnp(pdev))
2199 		return -ENOENT;	/* we have another procedure - card */
2200 	for (; dev < SNDRV_CARDS; dev++) {
2201 		if (enable[dev] && isapnp[dev])
2202 			break;
2203 	}
2204 	if (dev >= SNDRV_CARDS)
2205 		return -ENODEV;
2206 
2207 	err = snd_es18xx_card_new(&pdev->dev, dev, &card);
2208 	if (err < 0)
2209 		return err;
2210 	err = snd_audiodrive_pnp(dev, card->private_data, pdev);
2211 	if (err < 0)
2212 		return err;
2213 	err = snd_audiodrive_probe(card, dev);
2214 	if (err < 0)
2215 		return err;
2216 	pnp_set_drvdata(pdev, card);
2217 	dev++;
2218 	return 0;
2219 }
2220 
2221 #ifdef CONFIG_PM
2222 static int snd_audiodrive_pnp_suspend(struct pnp_dev *pdev, pm_message_t state)
2223 {
2224 	return snd_es18xx_suspend(pnp_get_drvdata(pdev), state);
2225 }
2226 static int snd_audiodrive_pnp_resume(struct pnp_dev *pdev)
2227 {
2228 	return snd_es18xx_resume(pnp_get_drvdata(pdev));
2229 }
2230 #endif
2231 
2232 static struct pnp_driver es18xx_pnp_driver = {
2233 	.name = "es18xx-pnpbios",
2234 	.id_table = snd_audiodrive_pnpbiosids,
2235 	.probe = snd_audiodrive_pnp_detect,
2236 #ifdef CONFIG_PM
2237 	.suspend = snd_audiodrive_pnp_suspend,
2238 	.resume = snd_audiodrive_pnp_resume,
2239 #endif
2240 };
2241 
2242 static int snd_audiodrive_pnpc_detect(struct pnp_card_link *pcard,
2243 				      const struct pnp_card_device_id *pid)
2244 {
2245 	static int dev;
2246 	struct snd_card *card;
2247 	int res;
2248 
2249 	for ( ; dev < SNDRV_CARDS; dev++) {
2250 		if (enable[dev] && isapnp[dev])
2251 			break;
2252 	}
2253 	if (dev >= SNDRV_CARDS)
2254 		return -ENODEV;
2255 
2256 	res = snd_es18xx_card_new(&pcard->card->dev, dev, &card);
2257 	if (res < 0)
2258 		return res;
2259 
2260 	res = snd_audiodrive_pnpc(dev, card->private_data, pcard, pid);
2261 	if (res < 0)
2262 		return res;
2263 	res = snd_audiodrive_probe(card, dev);
2264 	if (res < 0)
2265 		return res;
2266 
2267 	pnp_set_card_drvdata(pcard, card);
2268 	dev++;
2269 	return 0;
2270 }
2271 
2272 #ifdef CONFIG_PM
2273 static int snd_audiodrive_pnpc_suspend(struct pnp_card_link *pcard, pm_message_t state)
2274 {
2275 	return snd_es18xx_suspend(pnp_get_card_drvdata(pcard), state);
2276 }
2277 
2278 static int snd_audiodrive_pnpc_resume(struct pnp_card_link *pcard)
2279 {
2280 	return snd_es18xx_resume(pnp_get_card_drvdata(pcard));
2281 }
2282 
2283 #endif
2284 
2285 static struct pnp_card_driver es18xx_pnpc_driver = {
2286 	.flags = PNP_DRIVER_RES_DISABLE,
2287 	.name = "es18xx",
2288 	.id_table = snd_audiodrive_pnpids,
2289 	.probe = snd_audiodrive_pnpc_detect,
2290 #ifdef CONFIG_PM
2291 	.suspend	= snd_audiodrive_pnpc_suspend,
2292 	.resume		= snd_audiodrive_pnpc_resume,
2293 #endif
2294 };
2295 #endif /* CONFIG_PNP */
2296 
2297 static int __init alsa_card_es18xx_init(void)
2298 {
2299 	int err;
2300 
2301 	err = isa_register_driver(&snd_es18xx_isa_driver, SNDRV_CARDS);
2302 #ifdef CONFIG_PNP
2303 	if (!err)
2304 		isa_registered = 1;
2305 
2306 	err = pnp_register_driver(&es18xx_pnp_driver);
2307 	if (!err)
2308 		pnp_registered = 1;
2309 
2310 	err = pnp_register_card_driver(&es18xx_pnpc_driver);
2311 	if (!err)
2312 		pnpc_registered = 1;
2313 
2314 	if (isa_registered || pnp_registered)
2315 		err = 0;
2316 #endif
2317 	return err;
2318 }
2319 
2320 static void __exit alsa_card_es18xx_exit(void)
2321 {
2322 #ifdef CONFIG_PNP
2323 	if (pnpc_registered)
2324 		pnp_unregister_card_driver(&es18xx_pnpc_driver);
2325 	if (pnp_registered)
2326 		pnp_unregister_driver(&es18xx_pnp_driver);
2327 	if (isa_registered)
2328 #endif
2329 		isa_unregister_driver(&snd_es18xx_isa_driver);
2330 }
2331 
2332 module_init(alsa_card_es18xx_init)
2333 module_exit(alsa_card_es18xx_exit)
2334