xref: /kernel/linux/linux-5.10/sound/isa/es18xx.c (revision 8c2ecf20)
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#define PFX "es18xx: "
86
87struct snd_es18xx {
88	unsigned long port;		/* port of ESS chip */
89	unsigned long ctrl_port;	/* Control port of ESS chip */
90	struct resource *res_port;
91	struct resource *res_mpu_port;
92	struct resource *res_ctrl_port;
93	int irq;			/* IRQ number of ESS chip */
94	int dma1;			/* DMA1 */
95	int dma2;			/* DMA2 */
96	unsigned short version;		/* version of ESS chip */
97	int caps;			/* Chip capabilities */
98	unsigned short audio2_vol;	/* volume level of audio2 */
99
100	unsigned short active;		/* active channel mask */
101	unsigned int dma1_shift;
102	unsigned int dma2_shift;
103
104	struct snd_pcm *pcm;
105	struct snd_pcm_substream *playback_a_substream;
106	struct snd_pcm_substream *capture_a_substream;
107	struct snd_pcm_substream *playback_b_substream;
108
109	struct snd_rawmidi *rmidi;
110
111	struct snd_kcontrol *hw_volume;
112	struct snd_kcontrol *hw_switch;
113	struct snd_kcontrol *master_volume;
114	struct snd_kcontrol *master_switch;
115
116	spinlock_t reg_lock;
117	spinlock_t mixer_lock;
118#ifdef CONFIG_PM
119	unsigned char pm_reg;
120#endif
121#ifdef CONFIG_PNP
122	struct pnp_dev *dev;
123	struct pnp_dev *devc;
124#endif
125};
126
127#define AUDIO1_IRQ	0x01
128#define AUDIO2_IRQ	0x02
129#define HWV_IRQ		0x04
130#define MPU_IRQ		0x08
131
132#define ES18XX_PCM2	0x0001	/* Has two useable PCM */
133#define ES18XX_SPATIALIZER 0x0002	/* Has 3D Spatializer */
134#define ES18XX_RECMIX	0x0004	/* Has record mixer */
135#define ES18XX_DUPLEX_MONO 0x0008	/* Has mono duplex only */
136#define ES18XX_DUPLEX_SAME 0x0010	/* Playback and record must share the same rate */
137#define ES18XX_NEW_RATE	0x0020	/* More precise rate setting */
138#define ES18XX_AUXB	0x0040	/* AuxB mixer control */
139#define ES18XX_HWV	0x0080	/* Has separate hardware volume mixer controls*/
140#define ES18XX_MONO	0x0100	/* Mono_in mixer control */
141#define ES18XX_I2S	0x0200	/* I2S mixer control */
142#define ES18XX_MUTEREC	0x0400	/* Record source can be muted */
143#define ES18XX_CONTROL	0x0800	/* Has control ports */
144#define ES18XX_GPO_2BIT	0x1000	/* GPO0,1 controlled by PM port */
145
146/* Power Management */
147#define ES18XX_PM	0x07
148#define ES18XX_PM_GPO0	0x01
149#define ES18XX_PM_GPO1	0x02
150#define ES18XX_PM_PDR	0x04
151#define ES18XX_PM_ANA	0x08
152#define ES18XX_PM_FM	0x020
153#define ES18XX_PM_SUS	0x080
154
155/* Lowlevel */
156
157#define DAC1 0x01
158#define ADC1 0x02
159#define DAC2 0x04
160#define MILLISECOND 10000
161
162static int snd_es18xx_dsp_command(struct snd_es18xx *chip, unsigned char val)
163{
164        int i;
165
166        for(i = MILLISECOND; i; i--)
167                if ((inb(chip->port + 0x0C) & 0x80) == 0) {
168                        outb(val, chip->port + 0x0C);
169                        return 0;
170                }
171	snd_printk(KERN_ERR "dsp_command: timeout (0x%x)\n", val);
172        return -EINVAL;
173}
174
175static int snd_es18xx_dsp_get_byte(struct snd_es18xx *chip)
176{
177        int i;
178
179        for(i = MILLISECOND/10; i; i--)
180                if (inb(chip->port + 0x0C) & 0x40)
181                        return inb(chip->port + 0x0A);
182	snd_printk(KERN_ERR "dsp_get_byte failed: 0x%lx = 0x%x!!!\n",
183		   chip->port + 0x0A, inb(chip->port + 0x0A));
184        return -ENODEV;
185}
186
187#undef REG_DEBUG
188
189static int snd_es18xx_write(struct snd_es18xx *chip,
190			    unsigned char reg, unsigned char data)
191{
192	unsigned long flags;
193	int ret;
194
195        spin_lock_irqsave(&chip->reg_lock, flags);
196	ret = snd_es18xx_dsp_command(chip, reg);
197	if (ret < 0)
198		goto end;
199        ret = snd_es18xx_dsp_command(chip, data);
200 end:
201        spin_unlock_irqrestore(&chip->reg_lock, flags);
202#ifdef REG_DEBUG
203	snd_printk(KERN_DEBUG "Reg %02x set to %02x\n", reg, data);
204#endif
205	return ret;
206}
207
208static int snd_es18xx_read(struct snd_es18xx *chip, unsigned char reg)
209{
210	unsigned long flags;
211	int ret, data;
212        spin_lock_irqsave(&chip->reg_lock, flags);
213	ret = snd_es18xx_dsp_command(chip, 0xC0);
214	if (ret < 0)
215		goto end;
216        ret = snd_es18xx_dsp_command(chip, reg);
217	if (ret < 0)
218		goto end;
219	data = snd_es18xx_dsp_get_byte(chip);
220	ret = data;
221#ifdef REG_DEBUG
222	snd_printk(KERN_DEBUG "Reg %02x now is %02x (%d)\n", reg, data, ret);
223#endif
224 end:
225        spin_unlock_irqrestore(&chip->reg_lock, flags);
226	return ret;
227}
228
229/* Return old value */
230static int snd_es18xx_bits(struct snd_es18xx *chip, unsigned char reg,
231			   unsigned char mask, unsigned char val)
232{
233        int ret;
234	unsigned char old, new, oval;
235	unsigned long flags;
236        spin_lock_irqsave(&chip->reg_lock, flags);
237        ret = snd_es18xx_dsp_command(chip, 0xC0);
238	if (ret < 0)
239		goto end;
240        ret = snd_es18xx_dsp_command(chip, reg);
241	if (ret < 0)
242		goto end;
243	ret = snd_es18xx_dsp_get_byte(chip);
244	if (ret < 0) {
245		goto end;
246	}
247	old = ret;
248	oval = old & mask;
249	if (val != oval) {
250		ret = snd_es18xx_dsp_command(chip, reg);
251		if (ret < 0)
252			goto end;
253		new = (old & ~mask) | (val & mask);
254		ret = snd_es18xx_dsp_command(chip, new);
255		if (ret < 0)
256			goto end;
257#ifdef REG_DEBUG
258		snd_printk(KERN_DEBUG "Reg %02x was %02x, set to %02x (%d)\n",
259			   reg, old, new, ret);
260#endif
261	}
262	ret = oval;
263 end:
264        spin_unlock_irqrestore(&chip->reg_lock, flags);
265	return ret;
266}
267
268static inline void snd_es18xx_mixer_write(struct snd_es18xx *chip,
269			    unsigned char reg, unsigned char data)
270{
271	unsigned long flags;
272        spin_lock_irqsave(&chip->mixer_lock, flags);
273        outb(reg, chip->port + 0x04);
274        outb(data, chip->port + 0x05);
275        spin_unlock_irqrestore(&chip->mixer_lock, flags);
276#ifdef REG_DEBUG
277	snd_printk(KERN_DEBUG "Mixer reg %02x set to %02x\n", reg, data);
278#endif
279}
280
281static inline int snd_es18xx_mixer_read(struct snd_es18xx *chip, unsigned char reg)
282{
283	unsigned long flags;
284	int data;
285        spin_lock_irqsave(&chip->mixer_lock, flags);
286        outb(reg, chip->port + 0x04);
287	data = inb(chip->port + 0x05);
288        spin_unlock_irqrestore(&chip->mixer_lock, flags);
289#ifdef REG_DEBUG
290	snd_printk(KERN_DEBUG "Mixer reg %02x now is %02x\n", reg, data);
291#endif
292        return data;
293}
294
295/* Return old value */
296static inline int snd_es18xx_mixer_bits(struct snd_es18xx *chip, unsigned char reg,
297					unsigned char mask, unsigned char val)
298{
299	unsigned char old, new, oval;
300	unsigned long flags;
301        spin_lock_irqsave(&chip->mixer_lock, flags);
302        outb(reg, chip->port + 0x04);
303	old = inb(chip->port + 0x05);
304	oval = old & mask;
305	if (val != oval) {
306		new = (old & ~mask) | (val & mask);
307		outb(new, chip->port + 0x05);
308#ifdef REG_DEBUG
309		snd_printk(KERN_DEBUG "Mixer reg %02x was %02x, set to %02x\n",
310			   reg, old, new);
311#endif
312	}
313        spin_unlock_irqrestore(&chip->mixer_lock, flags);
314	return oval;
315}
316
317static inline int snd_es18xx_mixer_writable(struct snd_es18xx *chip, unsigned char reg,
318					    unsigned char mask)
319{
320	int old, expected, new;
321	unsigned long flags;
322        spin_lock_irqsave(&chip->mixer_lock, flags);
323        outb(reg, chip->port + 0x04);
324	old = inb(chip->port + 0x05);
325	expected = old ^ mask;
326	outb(expected, chip->port + 0x05);
327	new = inb(chip->port + 0x05);
328        spin_unlock_irqrestore(&chip->mixer_lock, flags);
329#ifdef REG_DEBUG
330	snd_printk(KERN_DEBUG "Mixer reg %02x was %02x, set to %02x, now is %02x\n",
331		   reg, old, expected, new);
332#endif
333	return expected == new;
334}
335
336
337static int snd_es18xx_reset(struct snd_es18xx *chip)
338{
339	int i;
340        outb(0x03, chip->port + 0x06);
341        inb(chip->port + 0x06);
342        outb(0x00, chip->port + 0x06);
343        for(i = 0; i < MILLISECOND && !(inb(chip->port + 0x0E) & 0x80); i++);
344        if (inb(chip->port + 0x0A) != 0xAA)
345                return -1;
346	return 0;
347}
348
349static int snd_es18xx_reset_fifo(struct snd_es18xx *chip)
350{
351        outb(0x02, chip->port + 0x06);
352        inb(chip->port + 0x06);
353        outb(0x00, chip->port + 0x06);
354	return 0;
355}
356
357static const struct snd_ratnum new_clocks[2] = {
358	{
359		.num = 793800,
360		.den_min = 1,
361		.den_max = 128,
362		.den_step = 1,
363	},
364	{
365		.num = 768000,
366		.den_min = 1,
367		.den_max = 128,
368		.den_step = 1,
369	}
370};
371
372static const struct snd_pcm_hw_constraint_ratnums new_hw_constraints_clocks = {
373	.nrats = 2,
374	.rats = new_clocks,
375};
376
377static const struct snd_ratnum old_clocks[2] = {
378	{
379		.num = 795444,
380		.den_min = 1,
381		.den_max = 128,
382		.den_step = 1,
383	},
384	{
385		.num = 397722,
386		.den_min = 1,
387		.den_max = 128,
388		.den_step = 1,
389	}
390};
391
392static const struct snd_pcm_hw_constraint_ratnums old_hw_constraints_clocks  = {
393	.nrats = 2,
394	.rats = old_clocks,
395};
396
397
398static void snd_es18xx_rate_set(struct snd_es18xx *chip,
399				struct snd_pcm_substream *substream,
400				int mode)
401{
402	unsigned int bits, div0;
403	struct snd_pcm_runtime *runtime = substream->runtime;
404	if (chip->caps & ES18XX_NEW_RATE) {
405		if (runtime->rate_num == new_clocks[0].num)
406			bits = 128 - runtime->rate_den;
407		else
408			bits = 256 - runtime->rate_den;
409	} else {
410		if (runtime->rate_num == old_clocks[0].num)
411			bits = 256 - runtime->rate_den;
412		else
413			bits = 128 - runtime->rate_den;
414	}
415
416	/* set filter register */
417	div0 = 256 - 7160000*20/(8*82*runtime->rate);
418
419	if ((chip->caps & ES18XX_PCM2) && mode == DAC2) {
420		snd_es18xx_mixer_write(chip, 0x70, bits);
421		/*
422		 * Comment from kernel oss driver:
423		 * FKS: fascinating: 0x72 doesn't seem to work.
424		 */
425		snd_es18xx_write(chip, 0xA2, div0);
426		snd_es18xx_mixer_write(chip, 0x72, div0);
427	} else {
428		snd_es18xx_write(chip, 0xA1, bits);
429		snd_es18xx_write(chip, 0xA2, div0);
430	}
431}
432
433static int snd_es18xx_playback_hw_params(struct snd_pcm_substream *substream,
434					 struct snd_pcm_hw_params *hw_params)
435{
436	struct snd_es18xx *chip = snd_pcm_substream_chip(substream);
437	int shift;
438
439	shift = 0;
440	if (params_channels(hw_params) == 2)
441		shift++;
442	if (snd_pcm_format_width(params_format(hw_params)) == 16)
443		shift++;
444
445	if (substream->number == 0 && (chip->caps & ES18XX_PCM2)) {
446		if ((chip->caps & ES18XX_DUPLEX_MONO) &&
447		    (chip->capture_a_substream) &&
448		    params_channels(hw_params) != 1) {
449			_snd_pcm_hw_param_setempty(hw_params, SNDRV_PCM_HW_PARAM_CHANNELS);
450			return -EBUSY;
451		}
452		chip->dma2_shift = shift;
453	} else {
454		chip->dma1_shift = shift;
455	}
456	return 0;
457}
458
459static int snd_es18xx_playback1_prepare(struct snd_es18xx *chip,
460					struct snd_pcm_substream *substream)
461{
462	struct snd_pcm_runtime *runtime = substream->runtime;
463	unsigned int size = snd_pcm_lib_buffer_bytes(substream);
464	unsigned int count = snd_pcm_lib_period_bytes(substream);
465
466        snd_es18xx_rate_set(chip, substream, DAC2);
467
468        /* Transfer Count Reload */
469        count = 0x10000 - count;
470        snd_es18xx_mixer_write(chip, 0x74, count & 0xff);
471        snd_es18xx_mixer_write(chip, 0x76, count >> 8);
472
473	/* Set format */
474        snd_es18xx_mixer_bits(chip, 0x7A, 0x07,
475			      ((runtime->channels == 1) ? 0x00 : 0x02) |
476			      (snd_pcm_format_width(runtime->format) == 16 ? 0x01 : 0x00) |
477			      (snd_pcm_format_unsigned(runtime->format) ? 0x00 : 0x04));
478
479        /* Set DMA controller */
480        snd_dma_program(chip->dma2, runtime->dma_addr, size, DMA_MODE_WRITE | DMA_AUTOINIT);
481
482	return 0;
483}
484
485static int snd_es18xx_playback1_trigger(struct snd_es18xx *chip,
486					struct snd_pcm_substream *substream,
487					int cmd)
488{
489	switch (cmd) {
490	case SNDRV_PCM_TRIGGER_START:
491	case SNDRV_PCM_TRIGGER_RESUME:
492		if (chip->active & DAC2)
493			return 0;
494		chip->active |= DAC2;
495                /* Start DMA */
496		if (chip->dma2 >= 4)
497			snd_es18xx_mixer_write(chip, 0x78, 0xb3);
498		else
499			snd_es18xx_mixer_write(chip, 0x78, 0x93);
500#ifdef AVOID_POPS
501		/* Avoid pops */
502		mdelay(100);
503		if (chip->caps & ES18XX_PCM2)
504			/* Restore Audio 2 volume */
505			snd_es18xx_mixer_write(chip, 0x7C, chip->audio2_vol);
506		else
507			/* Enable PCM output */
508			snd_es18xx_dsp_command(chip, 0xD1);
509#endif
510		break;
511	case SNDRV_PCM_TRIGGER_STOP:
512	case SNDRV_PCM_TRIGGER_SUSPEND:
513		if (!(chip->active & DAC2))
514			return 0;
515		chip->active &= ~DAC2;
516                /* Stop DMA */
517                snd_es18xx_mixer_write(chip, 0x78, 0x00);
518#ifdef AVOID_POPS
519		mdelay(25);
520		if (chip->caps & ES18XX_PCM2)
521			/* Set Audio 2 volume to 0 */
522			snd_es18xx_mixer_write(chip, 0x7C, 0);
523		else
524			/* Disable PCM output */
525			snd_es18xx_dsp_command(chip, 0xD3);
526#endif
527		break;
528	default:
529		return -EINVAL;
530	}
531
532	return 0;
533}
534
535static int snd_es18xx_capture_hw_params(struct snd_pcm_substream *substream,
536					struct snd_pcm_hw_params *hw_params)
537{
538	struct snd_es18xx *chip = snd_pcm_substream_chip(substream);
539	int shift;
540
541	shift = 0;
542	if ((chip->caps & ES18XX_DUPLEX_MONO) &&
543	    chip->playback_a_substream &&
544	    params_channels(hw_params) != 1) {
545		_snd_pcm_hw_param_setempty(hw_params, SNDRV_PCM_HW_PARAM_CHANNELS);
546		return -EBUSY;
547	}
548	if (params_channels(hw_params) == 2)
549		shift++;
550	if (snd_pcm_format_width(params_format(hw_params)) == 16)
551		shift++;
552	chip->dma1_shift = shift;
553	return 0;
554}
555
556static int snd_es18xx_capture_prepare(struct snd_pcm_substream *substream)
557{
558        struct snd_es18xx *chip = snd_pcm_substream_chip(substream);
559	struct snd_pcm_runtime *runtime = substream->runtime;
560	unsigned int size = snd_pcm_lib_buffer_bytes(substream);
561	unsigned int count = snd_pcm_lib_period_bytes(substream);
562
563	snd_es18xx_reset_fifo(chip);
564
565        /* Set stereo/mono */
566        snd_es18xx_bits(chip, 0xA8, 0x03, runtime->channels == 1 ? 0x02 : 0x01);
567
568        snd_es18xx_rate_set(chip, substream, ADC1);
569
570        /* Transfer Count Reload */
571	count = 0x10000 - count;
572	snd_es18xx_write(chip, 0xA4, count & 0xff);
573	snd_es18xx_write(chip, 0xA5, count >> 8);
574
575#ifdef AVOID_POPS
576	mdelay(100);
577#endif
578
579        /* Set format */
580        snd_es18xx_write(chip, 0xB7,
581                         snd_pcm_format_unsigned(runtime->format) ? 0x51 : 0x71);
582        snd_es18xx_write(chip, 0xB7, 0x90 |
583                         ((runtime->channels == 1) ? 0x40 : 0x08) |
584                         (snd_pcm_format_width(runtime->format) == 16 ? 0x04 : 0x00) |
585                         (snd_pcm_format_unsigned(runtime->format) ? 0x00 : 0x20));
586
587        /* Set DMA controller */
588        snd_dma_program(chip->dma1, runtime->dma_addr, size, DMA_MODE_READ | DMA_AUTOINIT);
589
590	return 0;
591}
592
593static int snd_es18xx_capture_trigger(struct snd_pcm_substream *substream,
594				      int cmd)
595{
596        struct snd_es18xx *chip = snd_pcm_substream_chip(substream);
597
598	switch (cmd) {
599	case SNDRV_PCM_TRIGGER_START:
600	case SNDRV_PCM_TRIGGER_RESUME:
601		if (chip->active & ADC1)
602			return 0;
603		chip->active |= ADC1;
604                /* Start DMA */
605                snd_es18xx_write(chip, 0xB8, 0x0f);
606		break;
607	case SNDRV_PCM_TRIGGER_STOP:
608	case SNDRV_PCM_TRIGGER_SUSPEND:
609		if (!(chip->active & ADC1))
610			return 0;
611		chip->active &= ~ADC1;
612                /* Stop DMA */
613                snd_es18xx_write(chip, 0xB8, 0x00);
614		break;
615	default:
616		return -EINVAL;
617	}
618
619	return 0;
620}
621
622static int snd_es18xx_playback2_prepare(struct snd_es18xx *chip,
623					struct snd_pcm_substream *substream)
624{
625	struct snd_pcm_runtime *runtime = substream->runtime;
626	unsigned int size = snd_pcm_lib_buffer_bytes(substream);
627	unsigned int count = snd_pcm_lib_period_bytes(substream);
628
629	snd_es18xx_reset_fifo(chip);
630
631        /* Set stereo/mono */
632        snd_es18xx_bits(chip, 0xA8, 0x03, runtime->channels == 1 ? 0x02 : 0x01);
633
634        snd_es18xx_rate_set(chip, substream, DAC1);
635
636        /* Transfer Count Reload */
637	count = 0x10000 - count;
638	snd_es18xx_write(chip, 0xA4, count & 0xff);
639	snd_es18xx_write(chip, 0xA5, count >> 8);
640
641        /* Set format */
642        snd_es18xx_write(chip, 0xB6,
643                         snd_pcm_format_unsigned(runtime->format) ? 0x80 : 0x00);
644        snd_es18xx_write(chip, 0xB7,
645                         snd_pcm_format_unsigned(runtime->format) ? 0x51 : 0x71);
646        snd_es18xx_write(chip, 0xB7, 0x90 |
647                         (runtime->channels == 1 ? 0x40 : 0x08) |
648                         (snd_pcm_format_width(runtime->format) == 16 ? 0x04 : 0x00) |
649                         (snd_pcm_format_unsigned(runtime->format) ? 0x00 : 0x20));
650
651        /* Set DMA controller */
652        snd_dma_program(chip->dma1, runtime->dma_addr, size, DMA_MODE_WRITE | DMA_AUTOINIT);
653
654	return 0;
655}
656
657static int snd_es18xx_playback2_trigger(struct snd_es18xx *chip,
658					struct snd_pcm_substream *substream,
659					int cmd)
660{
661	switch (cmd) {
662	case SNDRV_PCM_TRIGGER_START:
663	case SNDRV_PCM_TRIGGER_RESUME:
664		if (chip->active & DAC1)
665			return 0;
666		chip->active |= DAC1;
667                /* Start DMA */
668                snd_es18xx_write(chip, 0xB8, 0x05);
669#ifdef AVOID_POPS
670		/* Avoid pops */
671		mdelay(100);
672                /* Enable Audio 1 */
673                snd_es18xx_dsp_command(chip, 0xD1);
674#endif
675		break;
676	case SNDRV_PCM_TRIGGER_STOP:
677	case SNDRV_PCM_TRIGGER_SUSPEND:
678		if (!(chip->active & DAC1))
679			return 0;
680		chip->active &= ~DAC1;
681                /* Stop DMA */
682                snd_es18xx_write(chip, 0xB8, 0x00);
683#ifdef AVOID_POPS
684		/* Avoid pops */
685		mdelay(25);
686                /* Disable Audio 1 */
687                snd_es18xx_dsp_command(chip, 0xD3);
688#endif
689		break;
690	default:
691		return -EINVAL;
692	}
693
694	return 0;
695}
696
697static int snd_es18xx_playback_prepare(struct snd_pcm_substream *substream)
698{
699        struct snd_es18xx *chip = snd_pcm_substream_chip(substream);
700	if (substream->number == 0 && (chip->caps & ES18XX_PCM2))
701		return snd_es18xx_playback1_prepare(chip, substream);
702	else
703		return snd_es18xx_playback2_prepare(chip, substream);
704}
705
706static int snd_es18xx_playback_trigger(struct snd_pcm_substream *substream,
707				       int cmd)
708{
709        struct snd_es18xx *chip = snd_pcm_substream_chip(substream);
710	if (substream->number == 0 && (chip->caps & ES18XX_PCM2))
711		return snd_es18xx_playback1_trigger(chip, substream, cmd);
712	else
713		return snd_es18xx_playback2_trigger(chip, substream, cmd);
714}
715
716static irqreturn_t snd_es18xx_interrupt(int irq, void *dev_id)
717{
718	struct snd_card *card = dev_id;
719	struct snd_es18xx *chip = card->private_data;
720	unsigned char status;
721
722	if (chip->caps & ES18XX_CONTROL) {
723		/* Read Interrupt status */
724		status = inb(chip->ctrl_port + 6);
725	} else {
726		/* Read Interrupt status */
727		status = snd_es18xx_mixer_read(chip, 0x7f) >> 4;
728	}
729#if 0
730	else {
731		status = 0;
732		if (inb(chip->port + 0x0C) & 0x01)
733			status |= AUDIO1_IRQ;
734		if (snd_es18xx_mixer_read(chip, 0x7A) & 0x80)
735			status |= AUDIO2_IRQ;
736		if ((chip->caps & ES18XX_HWV) &&
737		    snd_es18xx_mixer_read(chip, 0x64) & 0x10)
738			status |= HWV_IRQ;
739	}
740#endif
741
742	/* Audio 1 & Audio 2 */
743        if (status & AUDIO2_IRQ) {
744                if (chip->active & DAC2)
745                	snd_pcm_period_elapsed(chip->playback_a_substream);
746		/* ack interrupt */
747                snd_es18xx_mixer_bits(chip, 0x7A, 0x80, 0x00);
748        }
749        if (status & AUDIO1_IRQ) {
750                /* ok.. capture is active */
751                if (chip->active & ADC1)
752                	snd_pcm_period_elapsed(chip->capture_a_substream);
753                /* ok.. playback2 is active */
754                else if (chip->active & DAC1)
755                	snd_pcm_period_elapsed(chip->playback_b_substream);
756		/* ack interrupt */
757		inb(chip->port + 0x0E);
758        }
759
760	/* MPU */
761	if ((status & MPU_IRQ) && chip->rmidi)
762		snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data);
763
764	/* Hardware volume */
765	if (status & HWV_IRQ) {
766		int split = 0;
767		if (chip->caps & ES18XX_HWV) {
768			split = snd_es18xx_mixer_read(chip, 0x64) & 0x80;
769			snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE,
770					&chip->hw_switch->id);
771			snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE,
772					&chip->hw_volume->id);
773		}
774		if (!split) {
775			snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE,
776					&chip->master_switch->id);
777			snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE,
778					&chip->master_volume->id);
779		}
780		/* ack interrupt */
781		snd_es18xx_mixer_write(chip, 0x66, 0x00);
782	}
783	return IRQ_HANDLED;
784}
785
786static snd_pcm_uframes_t snd_es18xx_playback_pointer(struct snd_pcm_substream *substream)
787{
788        struct snd_es18xx *chip = snd_pcm_substream_chip(substream);
789	unsigned int size = snd_pcm_lib_buffer_bytes(substream);
790	int pos;
791
792	if (substream->number == 0 && (chip->caps & ES18XX_PCM2)) {
793		if (!(chip->active & DAC2))
794			return 0;
795		pos = snd_dma_pointer(chip->dma2, size);
796		return pos >> chip->dma2_shift;
797	} else {
798		if (!(chip->active & DAC1))
799			return 0;
800		pos = snd_dma_pointer(chip->dma1, size);
801		return pos >> chip->dma1_shift;
802	}
803}
804
805static snd_pcm_uframes_t snd_es18xx_capture_pointer(struct snd_pcm_substream *substream)
806{
807        struct snd_es18xx *chip = snd_pcm_substream_chip(substream);
808	unsigned int size = snd_pcm_lib_buffer_bytes(substream);
809	int pos;
810
811        if (!(chip->active & ADC1))
812                return 0;
813	pos = snd_dma_pointer(chip->dma1, size);
814	return pos >> chip->dma1_shift;
815}
816
817static const struct snd_pcm_hardware snd_es18xx_playback =
818{
819	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
820				 SNDRV_PCM_INFO_RESUME |
821				 SNDRV_PCM_INFO_MMAP_VALID),
822	.formats =		(SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S8 |
823				 SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_U16_LE),
824	.rates =		SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
825	.rate_min =		4000,
826	.rate_max =		48000,
827	.channels_min =		1,
828	.channels_max =		2,
829	.buffer_bytes_max =	65536,
830	.period_bytes_min =	64,
831	.period_bytes_max =	65536,
832	.periods_min =		1,
833	.periods_max =		1024,
834	.fifo_size =		0,
835};
836
837static const struct snd_pcm_hardware snd_es18xx_capture =
838{
839	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
840				 SNDRV_PCM_INFO_RESUME |
841				 SNDRV_PCM_INFO_MMAP_VALID),
842	.formats =		(SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S8 |
843				 SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_U16_LE),
844	.rates =		SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
845	.rate_min =		4000,
846	.rate_max =		48000,
847	.channels_min =		1,
848	.channels_max =		2,
849	.buffer_bytes_max =	65536,
850	.period_bytes_min =	64,
851	.period_bytes_max =	65536,
852	.periods_min =		1,
853	.periods_max =		1024,
854	.fifo_size =		0,
855};
856
857static int snd_es18xx_playback_open(struct snd_pcm_substream *substream)
858{
859	struct snd_pcm_runtime *runtime = substream->runtime;
860        struct snd_es18xx *chip = snd_pcm_substream_chip(substream);
861
862	if (substream->number == 0 && (chip->caps & ES18XX_PCM2)) {
863		if ((chip->caps & ES18XX_DUPLEX_MONO) &&
864		    chip->capture_a_substream &&
865		    chip->capture_a_substream->runtime->channels != 1)
866			return -EAGAIN;
867		chip->playback_a_substream = substream;
868	} else if (substream->number <= 1) {
869		if (chip->capture_a_substream)
870			return -EAGAIN;
871		chip->playback_b_substream = substream;
872	} else {
873		snd_BUG();
874		return -EINVAL;
875	}
876	substream->runtime->hw = snd_es18xx_playback;
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
882static int snd_es18xx_capture_open(struct snd_pcm_substream *substream)
883{
884	struct snd_pcm_runtime *runtime = substream->runtime;
885        struct snd_es18xx *chip = snd_pcm_substream_chip(substream);
886
887        if (chip->playback_b_substream)
888                return -EAGAIN;
889	if ((chip->caps & ES18XX_DUPLEX_MONO) &&
890	    chip->playback_a_substream &&
891	    chip->playback_a_substream->runtime->channels != 1)
892		return -EAGAIN;
893        chip->capture_a_substream = substream;
894	substream->runtime->hw = snd_es18xx_capture;
895	snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
896				      (chip->caps & ES18XX_NEW_RATE) ? &new_hw_constraints_clocks : &old_hw_constraints_clocks);
897        return 0;
898}
899
900static int snd_es18xx_playback_close(struct snd_pcm_substream *substream)
901{
902        struct snd_es18xx *chip = snd_pcm_substream_chip(substream);
903
904	if (substream->number == 0 && (chip->caps & ES18XX_PCM2))
905		chip->playback_a_substream = NULL;
906	else
907		chip->playback_b_substream = NULL;
908
909	return 0;
910}
911
912static int snd_es18xx_capture_close(struct snd_pcm_substream *substream)
913{
914        struct snd_es18xx *chip = snd_pcm_substream_chip(substream);
915
916        chip->capture_a_substream = NULL;
917        return 0;
918}
919
920/*
921 *  MIXER part
922 */
923
924/* Record source mux routines:
925 * Depending on the chipset this mux switches between 4, 5, or 8 possible inputs.
926 * bit table for the 4/5 source mux:
927 * reg 1C:
928 *  b2 b1 b0   muxSource
929 *   x  0  x   microphone
930 *   0  1  x   CD
931 *   1  1  0   line
932 *   1  1  1   mixer
933 * if it's "mixer" and it's a 5 source mux chipset then reg 7A bit 3 determines
934 * either the play mixer or the capture mixer.
935 *
936 * "map4Source" translates from source number to reg bit pattern
937 * "invMap4Source" translates from reg bit pattern to source number
938 */
939
940static int snd_es18xx_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
941{
942	static const char * const texts5Source[5] = {
943		"Mic", "CD", "Line", "Master", "Mix"
944	};
945	static const char * const texts8Source[8] = {
946		"Mic", "Mic Master", "CD", "AOUT",
947		"Mic1", "Mix", "Line", "Master"
948	};
949	struct snd_es18xx *chip = snd_kcontrol_chip(kcontrol);
950
951	switch (chip->version) {
952	case 0x1868:
953	case 0x1878:
954		return snd_ctl_enum_info(uinfo, 1, 4, texts5Source);
955	case 0x1887:
956	case 0x1888:
957		return snd_ctl_enum_info(uinfo, 1, 5, texts5Source);
958	case 0x1869: /* DS somewhat contradictory for 1869: could be 5 or 8 */
959	case 0x1879:
960		return snd_ctl_enum_info(uinfo, 1, 8, texts8Source);
961	default:
962		return -EINVAL;
963	}
964}
965
966static int snd_es18xx_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
967{
968	static const unsigned char invMap4Source[8] = {0, 0, 1, 1, 0, 0, 2, 3};
969	struct snd_es18xx *chip = snd_kcontrol_chip(kcontrol);
970	int muxSource = snd_es18xx_mixer_read(chip, 0x1c) & 0x07;
971	if (!(chip->version == 0x1869 || chip->version == 0x1879)) {
972		muxSource = invMap4Source[muxSource];
973		if (muxSource==3 &&
974		    (chip->version == 0x1887 || chip->version == 0x1888) &&
975		    (snd_es18xx_mixer_read(chip, 0x7a) & 0x08)
976		)
977			muxSource = 4;
978	}
979	ucontrol->value.enumerated.item[0] = muxSource;
980	return 0;
981}
982
983static int snd_es18xx_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
984{
985	static const unsigned char map4Source[4] = {0, 2, 6, 7};
986	struct snd_es18xx *chip = snd_kcontrol_chip(kcontrol);
987	unsigned char val = ucontrol->value.enumerated.item[0];
988	unsigned char retVal = 0;
989
990	switch (chip->version) {
991 /* 5 source chips */
992	case 0x1887:
993	case 0x1888:
994		if (val > 4)
995			return -EINVAL;
996		if (val == 4) {
997			retVal = snd_es18xx_mixer_bits(chip, 0x7a, 0x08, 0x08) != 0x08;
998			val = 3;
999		} else
1000			retVal = snd_es18xx_mixer_bits(chip, 0x7a, 0x08, 0x00) != 0x00;
1001		fallthrough;
1002 /* 4 source chips */
1003	case 0x1868:
1004	case 0x1878:
1005		if (val > 3)
1006			return -EINVAL;
1007		val = map4Source[val];
1008		break;
1009 /* 8 source chips */
1010	case 0x1869:
1011	case 0x1879:
1012		if (val > 7)
1013			return -EINVAL;
1014		break;
1015	default:
1016		return -EINVAL;
1017	}
1018	return (snd_es18xx_mixer_bits(chip, 0x1c, 0x07, val) != val) || retVal;
1019}
1020
1021#define snd_es18xx_info_spatializer_enable	snd_ctl_boolean_mono_info
1022
1023static int snd_es18xx_get_spatializer_enable(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1024{
1025	struct snd_es18xx *chip = snd_kcontrol_chip(kcontrol);
1026	unsigned char val = snd_es18xx_mixer_read(chip, 0x50);
1027	ucontrol->value.integer.value[0] = !!(val & 8);
1028	return 0;
1029}
1030
1031static int snd_es18xx_put_spatializer_enable(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1032{
1033	struct snd_es18xx *chip = snd_kcontrol_chip(kcontrol);
1034	unsigned char oval, nval;
1035	int change;
1036	nval = ucontrol->value.integer.value[0] ? 0x0c : 0x04;
1037	oval = snd_es18xx_mixer_read(chip, 0x50) & 0x0c;
1038	change = nval != oval;
1039	if (change) {
1040		snd_es18xx_mixer_write(chip, 0x50, nval & ~0x04);
1041		snd_es18xx_mixer_write(chip, 0x50, nval);
1042	}
1043	return change;
1044}
1045
1046static int snd_es18xx_info_hw_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1047{
1048	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1049	uinfo->count = 2;
1050	uinfo->value.integer.min = 0;
1051	uinfo->value.integer.max = 63;
1052	return 0;
1053}
1054
1055static int snd_es18xx_get_hw_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1056{
1057	struct snd_es18xx *chip = snd_kcontrol_chip(kcontrol);
1058	ucontrol->value.integer.value[0] = snd_es18xx_mixer_read(chip, 0x61) & 0x3f;
1059	ucontrol->value.integer.value[1] = snd_es18xx_mixer_read(chip, 0x63) & 0x3f;
1060	return 0;
1061}
1062
1063#define snd_es18xx_info_hw_switch	snd_ctl_boolean_stereo_info
1064
1065static int snd_es18xx_get_hw_switch(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1066{
1067	struct snd_es18xx *chip = snd_kcontrol_chip(kcontrol);
1068	ucontrol->value.integer.value[0] = !(snd_es18xx_mixer_read(chip, 0x61) & 0x40);
1069	ucontrol->value.integer.value[1] = !(snd_es18xx_mixer_read(chip, 0x63) & 0x40);
1070	return 0;
1071}
1072
1073static void snd_es18xx_hwv_free(struct snd_kcontrol *kcontrol)
1074{
1075	struct snd_es18xx *chip = snd_kcontrol_chip(kcontrol);
1076	chip->master_volume = NULL;
1077	chip->master_switch = NULL;
1078	chip->hw_volume = NULL;
1079	chip->hw_switch = NULL;
1080}
1081
1082static int snd_es18xx_reg_bits(struct snd_es18xx *chip, unsigned char reg,
1083			       unsigned char mask, unsigned char val)
1084{
1085	if (reg < 0xa0)
1086		return snd_es18xx_mixer_bits(chip, reg, mask, val);
1087	else
1088		return snd_es18xx_bits(chip, reg, mask, val);
1089}
1090
1091static int snd_es18xx_reg_read(struct snd_es18xx *chip, unsigned char reg)
1092{
1093	if (reg < 0xa0)
1094		return snd_es18xx_mixer_read(chip, reg);
1095	else
1096		return snd_es18xx_read(chip, reg);
1097}
1098
1099#define ES18XX_SINGLE(xname, xindex, reg, shift, mask, flags) \
1100{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1101  .info = snd_es18xx_info_single, \
1102  .get = snd_es18xx_get_single, .put = snd_es18xx_put_single, \
1103  .private_value = reg | (shift << 8) | (mask << 16) | (flags << 24) }
1104
1105#define ES18XX_FL_INVERT	(1 << 0)
1106#define ES18XX_FL_PMPORT	(1 << 1)
1107
1108static int snd_es18xx_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1109{
1110	int mask = (kcontrol->private_value >> 16) & 0xff;
1111
1112	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
1113	uinfo->count = 1;
1114	uinfo->value.integer.min = 0;
1115	uinfo->value.integer.max = mask;
1116	return 0;
1117}
1118
1119static int snd_es18xx_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1120{
1121	struct snd_es18xx *chip = snd_kcontrol_chip(kcontrol);
1122	int reg = kcontrol->private_value & 0xff;
1123	int shift = (kcontrol->private_value >> 8) & 0xff;
1124	int mask = (kcontrol->private_value >> 16) & 0xff;
1125	int invert = (kcontrol->private_value >> 24) & ES18XX_FL_INVERT;
1126	int pm_port = (kcontrol->private_value >> 24) & ES18XX_FL_PMPORT;
1127	int val;
1128
1129	if (pm_port)
1130		val = inb(chip->port + ES18XX_PM);
1131	else
1132		val = snd_es18xx_reg_read(chip, reg);
1133	ucontrol->value.integer.value[0] = (val >> shift) & mask;
1134	if (invert)
1135		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
1136	return 0;
1137}
1138
1139static int snd_es18xx_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1140{
1141	struct snd_es18xx *chip = snd_kcontrol_chip(kcontrol);
1142	int reg = kcontrol->private_value & 0xff;
1143	int shift = (kcontrol->private_value >> 8) & 0xff;
1144	int mask = (kcontrol->private_value >> 16) & 0xff;
1145	int invert = (kcontrol->private_value >> 24) & ES18XX_FL_INVERT;
1146	int pm_port = (kcontrol->private_value >> 24) & ES18XX_FL_PMPORT;
1147	unsigned char val;
1148
1149	val = (ucontrol->value.integer.value[0] & mask);
1150	if (invert)
1151		val = mask - val;
1152	mask <<= shift;
1153	val <<= shift;
1154	if (pm_port) {
1155		unsigned char cur = inb(chip->port + ES18XX_PM);
1156
1157		if ((cur & mask) == val)
1158			return 0;
1159		outb((cur & ~mask) | val, chip->port + ES18XX_PM);
1160		return 1;
1161	}
1162
1163	return snd_es18xx_reg_bits(chip, reg, mask, val) != val;
1164}
1165
1166#define ES18XX_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \
1167{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1168  .info = snd_es18xx_info_double, \
1169  .get = snd_es18xx_get_double, .put = snd_es18xx_put_double, \
1170  .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) }
1171
1172static int snd_es18xx_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1173{
1174	int mask = (kcontrol->private_value >> 24) & 0xff;
1175
1176	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
1177	uinfo->count = 2;
1178	uinfo->value.integer.min = 0;
1179	uinfo->value.integer.max = mask;
1180	return 0;
1181}
1182
1183static int snd_es18xx_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1184{
1185	struct snd_es18xx *chip = snd_kcontrol_chip(kcontrol);
1186	int left_reg = kcontrol->private_value & 0xff;
1187	int right_reg = (kcontrol->private_value >> 8) & 0xff;
1188	int shift_left = (kcontrol->private_value >> 16) & 0x07;
1189	int shift_right = (kcontrol->private_value >> 19) & 0x07;
1190	int mask = (kcontrol->private_value >> 24) & 0xff;
1191	int invert = (kcontrol->private_value >> 22) & 1;
1192	unsigned char left, right;
1193
1194	left = snd_es18xx_reg_read(chip, left_reg);
1195	if (left_reg != right_reg)
1196		right = snd_es18xx_reg_read(chip, right_reg);
1197	else
1198		right = left;
1199	ucontrol->value.integer.value[0] = (left >> shift_left) & mask;
1200	ucontrol->value.integer.value[1] = (right >> shift_right) & mask;
1201	if (invert) {
1202		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
1203		ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
1204	}
1205	return 0;
1206}
1207
1208static int snd_es18xx_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1209{
1210	struct snd_es18xx *chip = snd_kcontrol_chip(kcontrol);
1211	int left_reg = kcontrol->private_value & 0xff;
1212	int right_reg = (kcontrol->private_value >> 8) & 0xff;
1213	int shift_left = (kcontrol->private_value >> 16) & 0x07;
1214	int shift_right = (kcontrol->private_value >> 19) & 0x07;
1215	int mask = (kcontrol->private_value >> 24) & 0xff;
1216	int invert = (kcontrol->private_value >> 22) & 1;
1217	int change;
1218	unsigned char val1, val2, mask1, mask2;
1219
1220	val1 = ucontrol->value.integer.value[0] & mask;
1221	val2 = ucontrol->value.integer.value[1] & mask;
1222	if (invert) {
1223		val1 = mask - val1;
1224		val2 = mask - val2;
1225	}
1226	val1 <<= shift_left;
1227	val2 <<= shift_right;
1228	mask1 = mask << shift_left;
1229	mask2 = mask << shift_right;
1230	if (left_reg != right_reg) {
1231		change = 0;
1232		if (snd_es18xx_reg_bits(chip, left_reg, mask1, val1) != val1)
1233			change = 1;
1234		if (snd_es18xx_reg_bits(chip, right_reg, mask2, val2) != val2)
1235			change = 1;
1236	} else {
1237		change = (snd_es18xx_reg_bits(chip, left_reg, mask1 | mask2,
1238					      val1 | val2) != (val1 | val2));
1239	}
1240	return change;
1241}
1242
1243/* Mixer controls
1244 * These arrays contain setup data for mixer controls.
1245 *
1246 * The controls that are universal to all chipsets are fully initialized
1247 * here.
1248 */
1249static const struct snd_kcontrol_new snd_es18xx_base_controls[] = {
1250ES18XX_DOUBLE("Master Playback Volume", 0, 0x60, 0x62, 0, 0, 63, 0),
1251ES18XX_DOUBLE("Master Playback Switch", 0, 0x60, 0x62, 6, 6, 1, 1),
1252ES18XX_DOUBLE("Line Playback Volume", 0, 0x3e, 0x3e, 4, 0, 15, 0),
1253ES18XX_DOUBLE("CD Playback Volume", 0, 0x38, 0x38, 4, 0, 15, 0),
1254ES18XX_DOUBLE("FM Playback Volume", 0, 0x36, 0x36, 4, 0, 15, 0),
1255ES18XX_DOUBLE("Mic Playback Volume", 0, 0x1a, 0x1a, 4, 0, 15, 0),
1256ES18XX_DOUBLE("Aux Playback Volume", 0, 0x3a, 0x3a, 4, 0, 15, 0),
1257ES18XX_SINGLE("Record Monitor", 0, 0xa8, 3, 1, 0),
1258ES18XX_DOUBLE("Capture Volume", 0, 0xb4, 0xb4, 4, 0, 15, 0),
1259{
1260	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1261	.name = "Capture Source",
1262	.info = snd_es18xx_info_mux,
1263	.get = snd_es18xx_get_mux,
1264	.put = snd_es18xx_put_mux,
1265}
1266};
1267
1268static const struct snd_kcontrol_new snd_es18xx_recmix_controls[] = {
1269ES18XX_DOUBLE("PCM Capture Volume", 0, 0x69, 0x69, 4, 0, 15, 0),
1270ES18XX_DOUBLE("Mic Capture Volume", 0, 0x68, 0x68, 4, 0, 15, 0),
1271ES18XX_DOUBLE("Line Capture Volume", 0, 0x6e, 0x6e, 4, 0, 15, 0),
1272ES18XX_DOUBLE("FM Capture Volume", 0, 0x6b, 0x6b, 4, 0, 15, 0),
1273ES18XX_DOUBLE("CD Capture Volume", 0, 0x6a, 0x6a, 4, 0, 15, 0),
1274ES18XX_DOUBLE("Aux Capture Volume", 0, 0x6c, 0x6c, 4, 0, 15, 0)
1275};
1276
1277/*
1278 * The chipset specific mixer controls
1279 */
1280static const struct snd_kcontrol_new snd_es18xx_opt_speaker =
1281	ES18XX_SINGLE("Beep Playback Volume", 0, 0x3c, 0, 7, 0);
1282
1283static const struct snd_kcontrol_new snd_es18xx_opt_1869[] = {
1284ES18XX_SINGLE("Capture Switch", 0, 0x1c, 4, 1, ES18XX_FL_INVERT),
1285ES18XX_SINGLE("Video Playback Switch", 0, 0x7f, 0, 1, 0),
1286ES18XX_DOUBLE("Mono Playback Volume", 0, 0x6d, 0x6d, 4, 0, 15, 0),
1287ES18XX_DOUBLE("Mono Capture Volume", 0, 0x6f, 0x6f, 4, 0, 15, 0)
1288};
1289
1290static const struct snd_kcontrol_new snd_es18xx_opt_1878 =
1291	ES18XX_DOUBLE("Video Playback Volume", 0, 0x68, 0x68, 4, 0, 15, 0);
1292
1293static const struct snd_kcontrol_new snd_es18xx_opt_1879[] = {
1294ES18XX_SINGLE("Video Playback Switch", 0, 0x71, 6, 1, 0),
1295ES18XX_DOUBLE("Video Playback Volume", 0, 0x6d, 0x6d, 4, 0, 15, 0),
1296ES18XX_DOUBLE("Video Capture Volume", 0, 0x6f, 0x6f, 4, 0, 15, 0)
1297};
1298
1299static const struct snd_kcontrol_new snd_es18xx_pcm1_controls[] = {
1300ES18XX_DOUBLE("PCM Playback Volume", 0, 0x14, 0x14, 4, 0, 15, 0),
1301};
1302
1303static const struct snd_kcontrol_new snd_es18xx_pcm2_controls[] = {
1304ES18XX_DOUBLE("PCM Playback Volume", 0, 0x7c, 0x7c, 4, 0, 15, 0),
1305ES18XX_DOUBLE("PCM Playback Volume", 1, 0x14, 0x14, 4, 0, 15, 0)
1306};
1307
1308static const struct snd_kcontrol_new snd_es18xx_spatializer_controls[] = {
1309ES18XX_SINGLE("3D Control - Level", 0, 0x52, 0, 63, 0),
1310{
1311	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1312	.name = "3D Control - Switch",
1313	.info = snd_es18xx_info_spatializer_enable,
1314	.get = snd_es18xx_get_spatializer_enable,
1315	.put = snd_es18xx_put_spatializer_enable,
1316}
1317};
1318
1319static const struct snd_kcontrol_new snd_es18xx_micpre1_control =
1320ES18XX_SINGLE("Mic Boost (+26dB)", 0, 0xa9, 2, 1, 0);
1321
1322static const struct snd_kcontrol_new snd_es18xx_micpre2_control =
1323ES18XX_SINGLE("Mic Boost (+26dB)", 0, 0x7d, 3, 1, 0);
1324
1325static const struct snd_kcontrol_new snd_es18xx_hw_volume_controls[] = {
1326{
1327	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1328	.name = "Hardware Master Playback Volume",
1329	.access = SNDRV_CTL_ELEM_ACCESS_READ,
1330	.info = snd_es18xx_info_hw_volume,
1331	.get = snd_es18xx_get_hw_volume,
1332},
1333{
1334	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1335	.name = "Hardware Master Playback Switch",
1336	.access = SNDRV_CTL_ELEM_ACCESS_READ,
1337	.info = snd_es18xx_info_hw_switch,
1338	.get = snd_es18xx_get_hw_switch,
1339},
1340ES18XX_SINGLE("Hardware Master Volume Split", 0, 0x64, 7, 1, 0),
1341};
1342
1343static const struct snd_kcontrol_new snd_es18xx_opt_gpo_2bit[] = {
1344ES18XX_SINGLE("GPO0 Switch", 0, ES18XX_PM, 0, 1, ES18XX_FL_PMPORT),
1345ES18XX_SINGLE("GPO1 Switch", 0, ES18XX_PM, 1, 1, ES18XX_FL_PMPORT),
1346};
1347
1348static int snd_es18xx_config_read(struct snd_es18xx *chip, unsigned char reg)
1349{
1350	int data;
1351
1352	outb(reg, chip->ctrl_port);
1353	data = inb(chip->ctrl_port + 1);
1354	return data;
1355}
1356
1357static void snd_es18xx_config_write(struct snd_es18xx *chip,
1358				    unsigned char reg, unsigned char data)
1359{
1360	/* No need for spinlocks, this function is used only in
1361	   otherwise protected init code */
1362	outb(reg, chip->ctrl_port);
1363	outb(data, chip->ctrl_port + 1);
1364#ifdef REG_DEBUG
1365	snd_printk(KERN_DEBUG "Config reg %02x set to %02x\n", reg, data);
1366#endif
1367}
1368
1369static int snd_es18xx_initialize(struct snd_es18xx *chip,
1370				 unsigned long mpu_port,
1371				 unsigned long fm_port)
1372{
1373	int mask = 0;
1374
1375        /* enable extended mode */
1376        snd_es18xx_dsp_command(chip, 0xC6);
1377	/* Reset mixer registers */
1378	snd_es18xx_mixer_write(chip, 0x00, 0x00);
1379
1380        /* Audio 1 DMA demand mode (4 bytes/request) */
1381        snd_es18xx_write(chip, 0xB9, 2);
1382	if (chip->caps & ES18XX_CONTROL) {
1383		/* Hardware volume IRQ */
1384		snd_es18xx_config_write(chip, 0x27, chip->irq);
1385		if (fm_port > 0 && fm_port != SNDRV_AUTO_PORT) {
1386			/* FM I/O */
1387			snd_es18xx_config_write(chip, 0x62, fm_port >> 8);
1388			snd_es18xx_config_write(chip, 0x63, fm_port & 0xff);
1389		}
1390		if (mpu_port > 0 && mpu_port != SNDRV_AUTO_PORT) {
1391			/* MPU-401 I/O */
1392			snd_es18xx_config_write(chip, 0x64, mpu_port >> 8);
1393			snd_es18xx_config_write(chip, 0x65, mpu_port & 0xff);
1394			/* MPU-401 IRQ */
1395			snd_es18xx_config_write(chip, 0x28, chip->irq);
1396		}
1397		/* Audio1 IRQ */
1398		snd_es18xx_config_write(chip, 0x70, chip->irq);
1399		/* Audio2 IRQ */
1400		snd_es18xx_config_write(chip, 0x72, chip->irq);
1401		/* Audio1 DMA */
1402		snd_es18xx_config_write(chip, 0x74, chip->dma1);
1403		/* Audio2 DMA */
1404		snd_es18xx_config_write(chip, 0x75, chip->dma2);
1405
1406		/* Enable Audio 1 IRQ */
1407		snd_es18xx_write(chip, 0xB1, 0x50);
1408		/* Enable Audio 2 IRQ */
1409		snd_es18xx_mixer_write(chip, 0x7A, 0x40);
1410		/* Enable Audio 1 DMA */
1411		snd_es18xx_write(chip, 0xB2, 0x50);
1412		/* Enable MPU and hardware volume interrupt */
1413		snd_es18xx_mixer_write(chip, 0x64, 0x42);
1414		/* Enable ESS wavetable input */
1415		snd_es18xx_mixer_bits(chip, 0x48, 0x10, 0x10);
1416	}
1417	else {
1418		int irqmask, dma1mask, dma2mask;
1419		switch (chip->irq) {
1420		case 2:
1421		case 9:
1422			irqmask = 0;
1423			break;
1424		case 5:
1425			irqmask = 1;
1426			break;
1427		case 7:
1428			irqmask = 2;
1429			break;
1430		case 10:
1431			irqmask = 3;
1432			break;
1433		default:
1434			snd_printk(KERN_ERR "invalid irq %d\n", chip->irq);
1435			return -ENODEV;
1436		}
1437		switch (chip->dma1) {
1438		case 0:
1439			dma1mask = 1;
1440			break;
1441		case 1:
1442			dma1mask = 2;
1443			break;
1444		case 3:
1445			dma1mask = 3;
1446			break;
1447		default:
1448			snd_printk(KERN_ERR "invalid dma1 %d\n", chip->dma1);
1449			return -ENODEV;
1450		}
1451		switch (chip->dma2) {
1452		case 0:
1453			dma2mask = 0;
1454			break;
1455		case 1:
1456			dma2mask = 1;
1457			break;
1458		case 3:
1459			dma2mask = 2;
1460			break;
1461		case 5:
1462			dma2mask = 3;
1463			break;
1464		default:
1465			snd_printk(KERN_ERR "invalid dma2 %d\n", chip->dma2);
1466			return -ENODEV;
1467		}
1468
1469		/* Enable and set Audio 1 IRQ */
1470		snd_es18xx_write(chip, 0xB1, 0x50 | (irqmask << 2));
1471		/* Enable and set Audio 1 DMA */
1472		snd_es18xx_write(chip, 0xB2, 0x50 | (dma1mask << 2));
1473		/* Set Audio 2 DMA */
1474		snd_es18xx_mixer_bits(chip, 0x7d, 0x07, 0x04 | dma2mask);
1475		/* Enable Audio 2 IRQ and DMA
1476		   Set capture mixer input */
1477		snd_es18xx_mixer_write(chip, 0x7A, 0x68);
1478		/* Enable and set hardware volume interrupt */
1479		snd_es18xx_mixer_write(chip, 0x64, 0x06);
1480		if (mpu_port > 0 && mpu_port != SNDRV_AUTO_PORT) {
1481			/* MPU401 share irq with audio
1482			   Joystick enabled
1483			   FM enabled */
1484			snd_es18xx_mixer_write(chip, 0x40,
1485					       0x43 | (mpu_port & 0xf0) >> 1);
1486		}
1487		snd_es18xx_mixer_write(chip, 0x7f, ((irqmask + 1) << 1) | 0x01);
1488	}
1489	if (chip->caps & ES18XX_NEW_RATE) {
1490		/* Change behaviour of register A1
1491		   4x oversampling
1492		   2nd channel DAC asynchronous */
1493		snd_es18xx_mixer_write(chip, 0x71, 0x32);
1494	}
1495	if (!(chip->caps & ES18XX_PCM2)) {
1496		/* Enable DMA FIFO */
1497		snd_es18xx_write(chip, 0xB7, 0x80);
1498	}
1499	if (chip->caps & ES18XX_SPATIALIZER) {
1500		/* Set spatializer parameters to recommended values */
1501		snd_es18xx_mixer_write(chip, 0x54, 0x8f);
1502		snd_es18xx_mixer_write(chip, 0x56, 0x95);
1503		snd_es18xx_mixer_write(chip, 0x58, 0x94);
1504		snd_es18xx_mixer_write(chip, 0x5a, 0x80);
1505	}
1506	/* Flip the "enable I2S" bits for those chipsets that need it */
1507	switch (chip->version) {
1508	case 0x1879:
1509		//Leaving I2S enabled on the 1879 screws up the PCM playback (rate effected somehow)
1510		//so a Switch control has been added to toggle this 0x71 bit on/off:
1511		//snd_es18xx_mixer_bits(chip, 0x71, 0x40, 0x40);
1512		/* Note: we fall through on purpose here. */
1513	case 0x1878:
1514		snd_es18xx_config_write(chip, 0x29, snd_es18xx_config_read(chip, 0x29) | 0x40);
1515		break;
1516	}
1517	/* Mute input source */
1518	if (chip->caps & ES18XX_MUTEREC)
1519		mask = 0x10;
1520	if (chip->caps & ES18XX_RECMIX)
1521		snd_es18xx_mixer_write(chip, 0x1c, 0x05 | mask);
1522	else {
1523		snd_es18xx_mixer_write(chip, 0x1c, 0x00 | mask);
1524		snd_es18xx_write(chip, 0xb4, 0x00);
1525	}
1526#ifndef AVOID_POPS
1527	/* Enable PCM output */
1528	snd_es18xx_dsp_command(chip, 0xD1);
1529#endif
1530
1531        return 0;
1532}
1533
1534static int snd_es18xx_identify(struct snd_es18xx *chip)
1535{
1536	int hi,lo;
1537
1538	/* reset */
1539	if (snd_es18xx_reset(chip) < 0) {
1540		snd_printk(KERN_ERR "reset at 0x%lx failed!!!\n", chip->port);
1541		return -ENODEV;
1542	}
1543
1544	snd_es18xx_dsp_command(chip, 0xe7);
1545	hi = snd_es18xx_dsp_get_byte(chip);
1546	if (hi < 0) {
1547		return hi;
1548	}
1549	lo = snd_es18xx_dsp_get_byte(chip);
1550	if ((lo & 0xf0) != 0x80) {
1551		return -ENODEV;
1552	}
1553	if (hi == 0x48) {
1554		chip->version = 0x488;
1555		return 0;
1556	}
1557	if (hi != 0x68) {
1558		return -ENODEV;
1559	}
1560	if ((lo & 0x0f) < 8) {
1561		chip->version = 0x688;
1562		return 0;
1563	}
1564
1565        outb(0x40, chip->port + 0x04);
1566	udelay(10);
1567	hi = inb(chip->port + 0x05);
1568	udelay(10);
1569	lo = inb(chip->port + 0x05);
1570	if (hi != lo) {
1571		chip->version = hi << 8 | lo;
1572		chip->ctrl_port = inb(chip->port + 0x05) << 8;
1573		udelay(10);
1574		chip->ctrl_port += inb(chip->port + 0x05);
1575
1576		if ((chip->res_ctrl_port = request_region(chip->ctrl_port, 8, "ES18xx - CTRL")) == NULL) {
1577			snd_printk(KERN_ERR PFX "unable go grab port 0x%lx\n", chip->ctrl_port);
1578			return -EBUSY;
1579		}
1580
1581		return 0;
1582	}
1583
1584	/* If has Hardware volume */
1585	if (snd_es18xx_mixer_writable(chip, 0x64, 0x04)) {
1586		/* If has Audio2 */
1587		if (snd_es18xx_mixer_writable(chip, 0x70, 0x7f)) {
1588			/* If has volume count */
1589			if (snd_es18xx_mixer_writable(chip, 0x64, 0x20)) {
1590				chip->version = 0x1887;
1591			} else {
1592				chip->version = 0x1888;
1593			}
1594		} else {
1595			chip->version = 0x1788;
1596		}
1597	}
1598	else
1599		chip->version = 0x1688;
1600	return 0;
1601}
1602
1603static int snd_es18xx_probe(struct snd_es18xx *chip,
1604			    unsigned long mpu_port,
1605			    unsigned long fm_port)
1606{
1607	if (snd_es18xx_identify(chip) < 0) {
1608		snd_printk(KERN_ERR PFX "[0x%lx] ESS chip not found\n", chip->port);
1609                return -ENODEV;
1610	}
1611
1612	switch (chip->version) {
1613	case 0x1868:
1614		chip->caps = ES18XX_DUPLEX_MONO | ES18XX_DUPLEX_SAME | ES18XX_CONTROL | ES18XX_GPO_2BIT;
1615		break;
1616	case 0x1869:
1617		chip->caps = ES18XX_PCM2 | ES18XX_SPATIALIZER | ES18XX_RECMIX | ES18XX_NEW_RATE | ES18XX_AUXB | ES18XX_MONO | ES18XX_MUTEREC | ES18XX_CONTROL | ES18XX_HWV | ES18XX_GPO_2BIT;
1618		break;
1619	case 0x1878:
1620		chip->caps = ES18XX_DUPLEX_MONO | ES18XX_DUPLEX_SAME | ES18XX_I2S | ES18XX_CONTROL;
1621		break;
1622	case 0x1879:
1623		chip->caps = ES18XX_PCM2 | ES18XX_SPATIALIZER | ES18XX_RECMIX | ES18XX_NEW_RATE | ES18XX_AUXB | ES18XX_I2S | ES18XX_CONTROL | ES18XX_HWV;
1624		break;
1625	case 0x1887:
1626	case 0x1888:
1627		chip->caps = ES18XX_PCM2 | ES18XX_RECMIX | ES18XX_AUXB | ES18XX_DUPLEX_SAME | ES18XX_GPO_2BIT;
1628		break;
1629	default:
1630		snd_printk(KERN_ERR "[0x%lx] unsupported chip ES%x\n",
1631                           chip->port, chip->version);
1632                return -ENODEV;
1633        }
1634
1635        snd_printd("[0x%lx] ESS%x chip found\n", chip->port, chip->version);
1636
1637	if (chip->dma1 == chip->dma2)
1638		chip->caps &= ~(ES18XX_PCM2 | ES18XX_DUPLEX_SAME);
1639
1640	return snd_es18xx_initialize(chip, mpu_port, fm_port);
1641}
1642
1643static const struct snd_pcm_ops snd_es18xx_playback_ops = {
1644	.open =		snd_es18xx_playback_open,
1645	.close =	snd_es18xx_playback_close,
1646	.hw_params =	snd_es18xx_playback_hw_params,
1647	.prepare =	snd_es18xx_playback_prepare,
1648	.trigger =	snd_es18xx_playback_trigger,
1649	.pointer =	snd_es18xx_playback_pointer,
1650};
1651
1652static const struct snd_pcm_ops snd_es18xx_capture_ops = {
1653	.open =		snd_es18xx_capture_open,
1654	.close =	snd_es18xx_capture_close,
1655	.hw_params =	snd_es18xx_capture_hw_params,
1656	.prepare =	snd_es18xx_capture_prepare,
1657	.trigger =	snd_es18xx_capture_trigger,
1658	.pointer =	snd_es18xx_capture_pointer,
1659};
1660
1661static int snd_es18xx_pcm(struct snd_card *card, int device)
1662{
1663	struct snd_es18xx *chip = card->private_data;
1664        struct snd_pcm *pcm;
1665	char str[16];
1666	int err;
1667
1668	sprintf(str, "ES%x", chip->version);
1669	if (chip->caps & ES18XX_PCM2)
1670		err = snd_pcm_new(card, str, device, 2, 1, &pcm);
1671	else
1672		err = snd_pcm_new(card, str, device, 1, 1, &pcm);
1673        if (err < 0)
1674                return err;
1675
1676	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_es18xx_playback_ops);
1677	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_es18xx_capture_ops);
1678
1679	/* global setup */
1680        pcm->private_data = chip;
1681        pcm->info_flags = 0;
1682	if (chip->caps & ES18XX_DUPLEX_SAME)
1683		pcm->info_flags |= SNDRV_PCM_INFO_JOINT_DUPLEX;
1684	if (! (chip->caps & ES18XX_PCM2))
1685		pcm->info_flags |= SNDRV_PCM_INFO_HALF_DUPLEX;
1686	sprintf(pcm->name, "ESS AudioDrive ES%x", chip->version);
1687        chip->pcm = pcm;
1688
1689	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, card->dev,
1690				       64*1024,
1691				       chip->dma1 > 3 || chip->dma2 > 3 ? 128*1024 : 64*1024);
1692	return 0;
1693}
1694
1695/* Power Management support functions */
1696#ifdef CONFIG_PM
1697static int snd_es18xx_suspend(struct snd_card *card, pm_message_t state)
1698{
1699	struct snd_es18xx *chip = card->private_data;
1700
1701	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1702
1703	/* power down */
1704	chip->pm_reg = (unsigned char)snd_es18xx_read(chip, ES18XX_PM);
1705	chip->pm_reg |= (ES18XX_PM_FM | ES18XX_PM_SUS);
1706	snd_es18xx_write(chip, ES18XX_PM, chip->pm_reg);
1707	snd_es18xx_write(chip, ES18XX_PM, chip->pm_reg ^= ES18XX_PM_SUS);
1708
1709	return 0;
1710}
1711
1712static int snd_es18xx_resume(struct snd_card *card)
1713{
1714	struct snd_es18xx *chip = card->private_data;
1715
1716	/* restore PM register, we won't wake till (not 0x07) i/o activity though */
1717	snd_es18xx_write(chip, ES18XX_PM, chip->pm_reg ^= ES18XX_PM_FM);
1718
1719	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1720	return 0;
1721}
1722#endif /* CONFIG_PM */
1723
1724static int snd_es18xx_free(struct snd_card *card)
1725{
1726	struct snd_es18xx *chip = card->private_data;
1727
1728	release_and_free_resource(chip->res_port);
1729	release_and_free_resource(chip->res_ctrl_port);
1730	release_and_free_resource(chip->res_mpu_port);
1731	if (chip->irq >= 0)
1732		free_irq(chip->irq, (void *) card);
1733	if (chip->dma1 >= 0) {
1734		disable_dma(chip->dma1);
1735		free_dma(chip->dma1);
1736	}
1737	if (chip->dma2 >= 0 && chip->dma1 != chip->dma2) {
1738		disable_dma(chip->dma2);
1739		free_dma(chip->dma2);
1740	}
1741	return 0;
1742}
1743
1744static int snd_es18xx_dev_free(struct snd_device *device)
1745{
1746	return snd_es18xx_free(device->card);
1747}
1748
1749static int snd_es18xx_new_device(struct snd_card *card,
1750				 unsigned long port,
1751				 unsigned long mpu_port,
1752				 unsigned long fm_port,
1753				 int irq, int dma1, int dma2)
1754{
1755	struct snd_es18xx *chip = card->private_data;
1756	static const struct snd_device_ops ops = {
1757		.dev_free =	snd_es18xx_dev_free,
1758        };
1759	int err;
1760
1761	spin_lock_init(&chip->reg_lock);
1762 	spin_lock_init(&chip->mixer_lock);
1763        chip->port = port;
1764        chip->irq = -1;
1765        chip->dma1 = -1;
1766        chip->dma2 = -1;
1767        chip->audio2_vol = 0x00;
1768	chip->active = 0;
1769
1770	chip->res_port = request_region(port, 16, "ES18xx");
1771	if (chip->res_port == NULL) {
1772		snd_es18xx_free(card);
1773		snd_printk(KERN_ERR PFX "unable to grap ports 0x%lx-0x%lx\n", port, port + 16 - 1);
1774		return -EBUSY;
1775	}
1776
1777	if (request_irq(irq, snd_es18xx_interrupt, 0, "ES18xx",
1778			(void *) card)) {
1779		snd_es18xx_free(card);
1780		snd_printk(KERN_ERR PFX "unable to grap IRQ %d\n", irq);
1781		return -EBUSY;
1782	}
1783	chip->irq = irq;
1784	card->sync_irq = chip->irq;
1785
1786	if (request_dma(dma1, "ES18xx DMA 1")) {
1787		snd_es18xx_free(card);
1788		snd_printk(KERN_ERR PFX "unable to grap DMA1 %d\n", dma1);
1789		return -EBUSY;
1790	}
1791	chip->dma1 = dma1;
1792
1793	if (dma2 != dma1 && request_dma(dma2, "ES18xx DMA 2")) {
1794		snd_es18xx_free(card);
1795		snd_printk(KERN_ERR PFX "unable to grap DMA2 %d\n", dma2);
1796		return -EBUSY;
1797	}
1798	chip->dma2 = dma2;
1799
1800	if (snd_es18xx_probe(chip, mpu_port, fm_port) < 0) {
1801		snd_es18xx_free(card);
1802		return -ENODEV;
1803	}
1804	err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
1805	if (err < 0) {
1806		snd_es18xx_free(card);
1807		return err;
1808	}
1809        return 0;
1810}
1811
1812static int snd_es18xx_mixer(struct snd_card *card)
1813{
1814	struct snd_es18xx *chip = card->private_data;
1815	int err;
1816	unsigned int idx;
1817
1818	strcpy(card->mixername, chip->pcm->name);
1819
1820	for (idx = 0; idx < ARRAY_SIZE(snd_es18xx_base_controls); idx++) {
1821		struct snd_kcontrol *kctl;
1822		kctl = snd_ctl_new1(&snd_es18xx_base_controls[idx], chip);
1823		if (chip->caps & ES18XX_HWV) {
1824			switch (idx) {
1825			case 0:
1826				chip->master_volume = kctl;
1827				kctl->private_free = snd_es18xx_hwv_free;
1828				break;
1829			case 1:
1830				chip->master_switch = kctl;
1831				kctl->private_free = snd_es18xx_hwv_free;
1832				break;
1833			}
1834		}
1835		if ((err = snd_ctl_add(card, kctl)) < 0)
1836			return err;
1837	}
1838	if (chip->caps & ES18XX_PCM2) {
1839		for (idx = 0; idx < ARRAY_SIZE(snd_es18xx_pcm2_controls); idx++) {
1840			if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_pcm2_controls[idx], chip))) < 0)
1841				return err;
1842		}
1843	} else {
1844		for (idx = 0; idx < ARRAY_SIZE(snd_es18xx_pcm1_controls); idx++) {
1845			if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_pcm1_controls[idx], chip))) < 0)
1846				return err;
1847		}
1848	}
1849
1850	if (chip->caps & ES18XX_RECMIX) {
1851		for (idx = 0; idx < ARRAY_SIZE(snd_es18xx_recmix_controls); idx++) {
1852			if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_recmix_controls[idx], chip))) < 0)
1853				return err;
1854		}
1855	}
1856	switch (chip->version) {
1857	default:
1858		if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_micpre1_control, chip))) < 0)
1859			return err;
1860		break;
1861	case 0x1869:
1862	case 0x1879:
1863		if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_micpre2_control, chip))) < 0)
1864			return err;
1865		break;
1866	}
1867	if (chip->caps & ES18XX_SPATIALIZER) {
1868		for (idx = 0; idx < ARRAY_SIZE(snd_es18xx_spatializer_controls); idx++) {
1869			if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_spatializer_controls[idx], chip))) < 0)
1870				return err;
1871		}
1872	}
1873	if (chip->caps & ES18XX_HWV) {
1874		for (idx = 0; idx < ARRAY_SIZE(snd_es18xx_hw_volume_controls); idx++) {
1875			struct snd_kcontrol *kctl;
1876			kctl = snd_ctl_new1(&snd_es18xx_hw_volume_controls[idx], chip);
1877			if (idx == 0)
1878				chip->hw_volume = kctl;
1879			else
1880				chip->hw_switch = kctl;
1881			kctl->private_free = snd_es18xx_hwv_free;
1882			if ((err = snd_ctl_add(card, kctl)) < 0)
1883				return err;
1884
1885		}
1886	}
1887	/* finish initializing other chipset specific controls
1888	 */
1889	if (chip->version != 0x1868) {
1890		err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_opt_speaker,
1891						     chip));
1892		if (err < 0)
1893			return err;
1894	}
1895	if (chip->version == 0x1869) {
1896		for (idx = 0; idx < ARRAY_SIZE(snd_es18xx_opt_1869); idx++) {
1897			err = snd_ctl_add(card,
1898					  snd_ctl_new1(&snd_es18xx_opt_1869[idx],
1899						       chip));
1900			if (err < 0)
1901				return err;
1902		}
1903	} else if (chip->version == 0x1878) {
1904		err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_opt_1878,
1905						     chip));
1906		if (err < 0)
1907			return err;
1908	} else if (chip->version == 0x1879) {
1909		for (idx = 0; idx < ARRAY_SIZE(snd_es18xx_opt_1879); idx++) {
1910			err = snd_ctl_add(card,
1911					  snd_ctl_new1(&snd_es18xx_opt_1879[idx],
1912						       chip));
1913			if (err < 0)
1914				return err;
1915		}
1916	}
1917	if (chip->caps & ES18XX_GPO_2BIT) {
1918		for (idx = 0; idx < ARRAY_SIZE(snd_es18xx_opt_gpo_2bit); idx++) {
1919			err = snd_ctl_add(card,
1920					  snd_ctl_new1(&snd_es18xx_opt_gpo_2bit[idx],
1921						       chip));
1922			if (err < 0)
1923				return err;
1924		}
1925	}
1926	return 0;
1927}
1928
1929
1930/* Card level */
1931
1932MODULE_AUTHOR("Christian Fischbach <fishbach@pool.informatik.rwth-aachen.de>, Abramo Bagnara <abramo@alsa-project.org>");
1933MODULE_DESCRIPTION("ESS ES18xx AudioDrive");
1934MODULE_LICENSE("GPL");
1935MODULE_SUPPORTED_DEVICE("{{ESS,ES1868 PnP AudioDrive},"
1936		"{ESS,ES1869 PnP AudioDrive},"
1937		"{ESS,ES1878 PnP AudioDrive},"
1938		"{ESS,ES1879 PnP AudioDrive},"
1939		"{ESS,ES1887 PnP AudioDrive},"
1940		"{ESS,ES1888 PnP AudioDrive},"
1941		"{ESS,ES1887 AudioDrive},"
1942		"{ESS,ES1888 AudioDrive}}");
1943
1944static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
1945static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
1946static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; /* Enable this card */
1947#ifdef CONFIG_PNP
1948static bool isapnp[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP;
1949#endif
1950static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* 0x220,0x240,0x260,0x280 */
1951#ifndef CONFIG_PNP
1952static long mpu_port[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
1953#else
1954static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
1955#endif
1956static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
1957static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 5,7,9,10 */
1958static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 0,1,3 */
1959static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 0,1,3 */
1960
1961module_param_array(index, int, NULL, 0444);
1962MODULE_PARM_DESC(index, "Index value for ES18xx soundcard.");
1963module_param_array(id, charp, NULL, 0444);
1964MODULE_PARM_DESC(id, "ID string for ES18xx soundcard.");
1965module_param_array(enable, bool, NULL, 0444);
1966MODULE_PARM_DESC(enable, "Enable ES18xx soundcard.");
1967#ifdef CONFIG_PNP
1968module_param_array(isapnp, bool, NULL, 0444);
1969MODULE_PARM_DESC(isapnp, "PnP detection for specified soundcard.");
1970#endif
1971module_param_hw_array(port, long, ioport, NULL, 0444);
1972MODULE_PARM_DESC(port, "Port # for ES18xx driver.");
1973module_param_hw_array(mpu_port, long, ioport, NULL, 0444);
1974MODULE_PARM_DESC(mpu_port, "MPU-401 port # for ES18xx driver.");
1975module_param_hw_array(fm_port, long, ioport, NULL, 0444);
1976MODULE_PARM_DESC(fm_port, "FM port # for ES18xx driver.");
1977module_param_hw_array(irq, int, irq, NULL, 0444);
1978MODULE_PARM_DESC(irq, "IRQ # for ES18xx driver.");
1979module_param_hw_array(dma1, int, dma, NULL, 0444);
1980MODULE_PARM_DESC(dma1, "DMA 1 # for ES18xx driver.");
1981module_param_hw_array(dma2, int, dma, NULL, 0444);
1982MODULE_PARM_DESC(dma2, "DMA 2 # for ES18xx driver.");
1983
1984#ifdef CONFIG_PNP
1985static int isa_registered;
1986static int pnp_registered;
1987static int pnpc_registered;
1988
1989static const struct pnp_device_id snd_audiodrive_pnpbiosids[] = {
1990	{ .id = "ESS1869" },
1991	{ .id = "ESS1879" },
1992	{ .id = "" }		/* end */
1993};
1994
1995MODULE_DEVICE_TABLE(pnp, snd_audiodrive_pnpbiosids);
1996
1997/* PnP main device initialization */
1998static int snd_audiodrive_pnp_init_main(int dev, struct pnp_dev *pdev)
1999{
2000	if (pnp_activate_dev(pdev) < 0) {
2001		snd_printk(KERN_ERR PFX "PnP configure failure (out of resources?)\n");
2002		return -EBUSY;
2003	}
2004	/* ok. hack using Vendor-Defined Card-Level registers */
2005	/* skip csn and logdev initialization - already done in isapnp_configure */
2006	if (pnp_device_is_isapnp(pdev)) {
2007		isapnp_cfg_begin(isapnp_card_number(pdev), isapnp_csn_number(pdev));
2008		isapnp_write_byte(0x27, pnp_irq(pdev, 0));	/* Hardware Volume IRQ Number */
2009		if (mpu_port[dev] != SNDRV_AUTO_PORT)
2010			isapnp_write_byte(0x28, pnp_irq(pdev, 0)); /* MPU-401 IRQ Number */
2011		isapnp_write_byte(0x72, pnp_irq(pdev, 0));	/* second IRQ */
2012		isapnp_cfg_end();
2013	}
2014	port[dev] = pnp_port_start(pdev, 0);
2015	fm_port[dev] = pnp_port_start(pdev, 1);
2016	mpu_port[dev] = pnp_port_start(pdev, 2);
2017	dma1[dev] = pnp_dma(pdev, 0);
2018	dma2[dev] = pnp_dma(pdev, 1);
2019	irq[dev] = pnp_irq(pdev, 0);
2020	snd_printdd("PnP ES18xx: port=0x%lx, fm port=0x%lx, mpu port=0x%lx\n", port[dev], fm_port[dev], mpu_port[dev]);
2021	snd_printdd("PnP ES18xx: dma1=%i, dma2=%i, irq=%i\n", dma1[dev], dma2[dev], irq[dev]);
2022	return 0;
2023}
2024
2025static int snd_audiodrive_pnp(int dev, struct snd_es18xx *chip,
2026			      struct pnp_dev *pdev)
2027{
2028	chip->dev = pdev;
2029	if (snd_audiodrive_pnp_init_main(dev, chip->dev) < 0)
2030		return -EBUSY;
2031	return 0;
2032}
2033
2034static const struct pnp_card_device_id snd_audiodrive_pnpids[] = {
2035	/* ESS 1868 (integrated on Compaq dual P-Pro motherboard and Genius 18PnP 3D) */
2036	{ .id = "ESS1868", .devs = { { "ESS1868" }, { "ESS0000" } } },
2037	/* ESS 1868 (integrated on Maxisound Cards) */
2038	{ .id = "ESS1868", .devs = { { "ESS8601" }, { "ESS8600" } } },
2039	/* ESS 1868 (integrated on Maxisound Cards) */
2040	{ .id = "ESS1868", .devs = { { "ESS8611" }, { "ESS8610" } } },
2041	/* ESS ES1869 Plug and Play AudioDrive */
2042	{ .id = "ESS0003", .devs = { { "ESS1869" }, { "ESS0006" } } },
2043	/* ESS 1869 */
2044	{ .id = "ESS1869", .devs = { { "ESS1869" }, { "ESS0006" } } },
2045	/* ESS 1878 */
2046	{ .id = "ESS1878", .devs = { { "ESS1878" }, { "ESS0004" } } },
2047	/* ESS 1879 */
2048	{ .id = "ESS1879", .devs = { { "ESS1879" }, { "ESS0009" } } },
2049	/* --- */
2050	{ .id = "" } /* end */
2051};
2052
2053MODULE_DEVICE_TABLE(pnp_card, snd_audiodrive_pnpids);
2054
2055static int snd_audiodrive_pnpc(int dev, struct snd_es18xx *chip,
2056			       struct pnp_card_link *card,
2057			       const struct pnp_card_device_id *id)
2058{
2059	chip->dev = pnp_request_card_device(card, id->devs[0].id, NULL);
2060	if (chip->dev == NULL)
2061		return -EBUSY;
2062
2063	chip->devc = pnp_request_card_device(card, id->devs[1].id, NULL);
2064	if (chip->devc == NULL)
2065		return -EBUSY;
2066
2067	/* Control port initialization */
2068	if (pnp_activate_dev(chip->devc) < 0) {
2069		snd_printk(KERN_ERR PFX "PnP control configure failure (out of resources?)\n");
2070		return -EAGAIN;
2071	}
2072	snd_printdd("pnp: port=0x%llx\n",
2073			(unsigned long long)pnp_port_start(chip->devc, 0));
2074	if (snd_audiodrive_pnp_init_main(dev, chip->dev) < 0)
2075		return -EBUSY;
2076
2077	return 0;
2078}
2079#endif /* CONFIG_PNP */
2080
2081#ifdef CONFIG_PNP
2082#define is_isapnp_selected(dev)		isapnp[dev]
2083#else
2084#define is_isapnp_selected(dev)		0
2085#endif
2086
2087static int snd_es18xx_card_new(struct device *pdev, int dev,
2088			       struct snd_card **cardp)
2089{
2090	return snd_card_new(pdev, index[dev], id[dev], THIS_MODULE,
2091			    sizeof(struct snd_es18xx), cardp);
2092}
2093
2094static int snd_audiodrive_probe(struct snd_card *card, int dev)
2095{
2096	struct snd_es18xx *chip = card->private_data;
2097	struct snd_opl3 *opl3;
2098	int err;
2099
2100	err = snd_es18xx_new_device(card,
2101				    port[dev], mpu_port[dev], fm_port[dev],
2102				    irq[dev], dma1[dev], dma2[dev]);
2103	if (err < 0)
2104		return err;
2105
2106	sprintf(card->driver, "ES%x", chip->version);
2107
2108	sprintf(card->shortname, "ESS AudioDrive ES%x", chip->version);
2109	if (dma1[dev] != dma2[dev])
2110		sprintf(card->longname, "%s at 0x%lx, irq %d, dma1 %d, dma2 %d",
2111			card->shortname,
2112			chip->port,
2113			irq[dev], dma1[dev], dma2[dev]);
2114	else
2115		sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d",
2116			card->shortname,
2117			chip->port,
2118			irq[dev], dma1[dev]);
2119
2120	err = snd_es18xx_pcm(card, 0);
2121	if (err < 0)
2122		return err;
2123
2124	err = snd_es18xx_mixer(card);
2125	if (err < 0)
2126		return err;
2127
2128	if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) {
2129		if (snd_opl3_create(card, fm_port[dev], fm_port[dev] + 2,
2130				    OPL3_HW_OPL3, 0, &opl3) < 0) {
2131			snd_printk(KERN_WARNING PFX
2132				   "opl3 not detected at 0x%lx\n",
2133				   fm_port[dev]);
2134		} else {
2135			err = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
2136			if (err < 0)
2137				return err;
2138		}
2139	}
2140
2141	if (mpu_port[dev] > 0 && mpu_port[dev] != SNDRV_AUTO_PORT) {
2142		err = snd_mpu401_uart_new(card, 0, MPU401_HW_ES18XX,
2143					  mpu_port[dev], MPU401_INFO_IRQ_HOOK,
2144					  -1, &chip->rmidi);
2145		if (err < 0)
2146			return err;
2147	}
2148
2149	return snd_card_register(card);
2150}
2151
2152static int snd_es18xx_isa_match(struct device *pdev, unsigned int dev)
2153{
2154	return enable[dev] && !is_isapnp_selected(dev);
2155}
2156
2157static int snd_es18xx_isa_probe1(int dev, struct device *devptr)
2158{
2159	struct snd_card *card;
2160	int err;
2161
2162	err = snd_es18xx_card_new(devptr, dev, &card);
2163	if (err < 0)
2164		return err;
2165	if ((err = snd_audiodrive_probe(card, dev)) < 0) {
2166		snd_card_free(card);
2167		return err;
2168	}
2169	dev_set_drvdata(devptr, card);
2170	return 0;
2171}
2172
2173static int snd_es18xx_isa_probe(struct device *pdev, unsigned int dev)
2174{
2175	int err;
2176	static const int possible_irqs[] = {5, 9, 10, 7, 11, 12, -1};
2177	static const int possible_dmas[] = {1, 0, 3, 5, -1};
2178
2179	if (irq[dev] == SNDRV_AUTO_IRQ) {
2180		if ((irq[dev] = snd_legacy_find_free_irq(possible_irqs)) < 0) {
2181			snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
2182			return -EBUSY;
2183		}
2184	}
2185	if (dma1[dev] == SNDRV_AUTO_DMA) {
2186		if ((dma1[dev] = snd_legacy_find_free_dma(possible_dmas)) < 0) {
2187			snd_printk(KERN_ERR PFX "unable to find a free DMA1\n");
2188			return -EBUSY;
2189		}
2190	}
2191	if (dma2[dev] == SNDRV_AUTO_DMA) {
2192		if ((dma2[dev] = snd_legacy_find_free_dma(possible_dmas)) < 0) {
2193			snd_printk(KERN_ERR PFX "unable to find a free DMA2\n");
2194			return -EBUSY;
2195		}
2196	}
2197
2198	if (port[dev] != SNDRV_AUTO_PORT) {
2199		return snd_es18xx_isa_probe1(dev, pdev);
2200	} else {
2201		static const unsigned long possible_ports[] = {0x220, 0x240, 0x260, 0x280};
2202		int i;
2203		for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
2204			port[dev] = possible_ports[i];
2205			err = snd_es18xx_isa_probe1(dev, pdev);
2206			if (! err)
2207				return 0;
2208		}
2209		return err;
2210	}
2211}
2212
2213static int snd_es18xx_isa_remove(struct device *devptr,
2214				 unsigned int dev)
2215{
2216	snd_card_free(dev_get_drvdata(devptr));
2217	return 0;
2218}
2219
2220#ifdef CONFIG_PM
2221static int snd_es18xx_isa_suspend(struct device *dev, unsigned int n,
2222				  pm_message_t state)
2223{
2224	return snd_es18xx_suspend(dev_get_drvdata(dev), state);
2225}
2226
2227static int snd_es18xx_isa_resume(struct device *dev, unsigned int n)
2228{
2229	return snd_es18xx_resume(dev_get_drvdata(dev));
2230}
2231#endif
2232
2233#define DEV_NAME "es18xx"
2234
2235static struct isa_driver snd_es18xx_isa_driver = {
2236	.match		= snd_es18xx_isa_match,
2237	.probe		= snd_es18xx_isa_probe,
2238	.remove		= snd_es18xx_isa_remove,
2239#ifdef CONFIG_PM
2240	.suspend	= snd_es18xx_isa_suspend,
2241	.resume		= snd_es18xx_isa_resume,
2242#endif
2243	.driver		= {
2244		.name	= DEV_NAME
2245	},
2246};
2247
2248
2249#ifdef CONFIG_PNP
2250static int snd_audiodrive_pnp_detect(struct pnp_dev *pdev,
2251				     const struct pnp_device_id *id)
2252{
2253	static int dev;
2254	int err;
2255	struct snd_card *card;
2256
2257	if (pnp_device_is_isapnp(pdev))
2258		return -ENOENT;	/* we have another procedure - card */
2259	for (; dev < SNDRV_CARDS; dev++) {
2260		if (enable[dev] && isapnp[dev])
2261			break;
2262	}
2263	if (dev >= SNDRV_CARDS)
2264		return -ENODEV;
2265
2266	err = snd_es18xx_card_new(&pdev->dev, dev, &card);
2267	if (err < 0)
2268		return err;
2269	if ((err = snd_audiodrive_pnp(dev, card->private_data, pdev)) < 0) {
2270		snd_card_free(card);
2271		return err;
2272	}
2273	if ((err = snd_audiodrive_probe(card, dev)) < 0) {
2274		snd_card_free(card);
2275		return err;
2276	}
2277	pnp_set_drvdata(pdev, card);
2278	dev++;
2279	return 0;
2280}
2281
2282static void snd_audiodrive_pnp_remove(struct pnp_dev *pdev)
2283{
2284	snd_card_free(pnp_get_drvdata(pdev));
2285}
2286
2287#ifdef CONFIG_PM
2288static int snd_audiodrive_pnp_suspend(struct pnp_dev *pdev, pm_message_t state)
2289{
2290	return snd_es18xx_suspend(pnp_get_drvdata(pdev), state);
2291}
2292static int snd_audiodrive_pnp_resume(struct pnp_dev *pdev)
2293{
2294	return snd_es18xx_resume(pnp_get_drvdata(pdev));
2295}
2296#endif
2297
2298static struct pnp_driver es18xx_pnp_driver = {
2299	.name = "es18xx-pnpbios",
2300	.id_table = snd_audiodrive_pnpbiosids,
2301	.probe = snd_audiodrive_pnp_detect,
2302	.remove = snd_audiodrive_pnp_remove,
2303#ifdef CONFIG_PM
2304	.suspend = snd_audiodrive_pnp_suspend,
2305	.resume = snd_audiodrive_pnp_resume,
2306#endif
2307};
2308
2309static int snd_audiodrive_pnpc_detect(struct pnp_card_link *pcard,
2310				      const struct pnp_card_device_id *pid)
2311{
2312	static int dev;
2313	struct snd_card *card;
2314	int res;
2315
2316	for ( ; dev < SNDRV_CARDS; dev++) {
2317		if (enable[dev] && isapnp[dev])
2318			break;
2319	}
2320	if (dev >= SNDRV_CARDS)
2321		return -ENODEV;
2322
2323	res = snd_es18xx_card_new(&pcard->card->dev, dev, &card);
2324	if (res < 0)
2325		return res;
2326
2327	if ((res = snd_audiodrive_pnpc(dev, card->private_data, pcard, pid)) < 0) {
2328		snd_card_free(card);
2329		return res;
2330	}
2331	if ((res = snd_audiodrive_probe(card, dev)) < 0) {
2332		snd_card_free(card);
2333		return res;
2334	}
2335
2336	pnp_set_card_drvdata(pcard, card);
2337	dev++;
2338	return 0;
2339}
2340
2341static void snd_audiodrive_pnpc_remove(struct pnp_card_link *pcard)
2342{
2343	snd_card_free(pnp_get_card_drvdata(pcard));
2344	pnp_set_card_drvdata(pcard, NULL);
2345}
2346
2347#ifdef CONFIG_PM
2348static int snd_audiodrive_pnpc_suspend(struct pnp_card_link *pcard, pm_message_t state)
2349{
2350	return snd_es18xx_suspend(pnp_get_card_drvdata(pcard), state);
2351}
2352
2353static int snd_audiodrive_pnpc_resume(struct pnp_card_link *pcard)
2354{
2355	return snd_es18xx_resume(pnp_get_card_drvdata(pcard));
2356}
2357
2358#endif
2359
2360static struct pnp_card_driver es18xx_pnpc_driver = {
2361	.flags = PNP_DRIVER_RES_DISABLE,
2362	.name = "es18xx",
2363	.id_table = snd_audiodrive_pnpids,
2364	.probe = snd_audiodrive_pnpc_detect,
2365	.remove = snd_audiodrive_pnpc_remove,
2366#ifdef CONFIG_PM
2367	.suspend	= snd_audiodrive_pnpc_suspend,
2368	.resume		= snd_audiodrive_pnpc_resume,
2369#endif
2370};
2371#endif /* CONFIG_PNP */
2372
2373static int __init alsa_card_es18xx_init(void)
2374{
2375	int err;
2376
2377	err = isa_register_driver(&snd_es18xx_isa_driver, SNDRV_CARDS);
2378#ifdef CONFIG_PNP
2379	if (!err)
2380		isa_registered = 1;
2381
2382	err = pnp_register_driver(&es18xx_pnp_driver);
2383	if (!err)
2384		pnp_registered = 1;
2385
2386	err = pnp_register_card_driver(&es18xx_pnpc_driver);
2387	if (!err)
2388		pnpc_registered = 1;
2389
2390	if (isa_registered || pnp_registered)
2391		err = 0;
2392#endif
2393	return err;
2394}
2395
2396static void __exit alsa_card_es18xx_exit(void)
2397{
2398#ifdef CONFIG_PNP
2399	if (pnpc_registered)
2400		pnp_unregister_card_driver(&es18xx_pnpc_driver);
2401	if (pnp_registered)
2402		pnp_unregister_driver(&es18xx_pnp_driver);
2403	if (isa_registered)
2404#endif
2405		isa_unregister_driver(&snd_es18xx_isa_driver);
2406}
2407
2408module_init(alsa_card_es18xx_init)
2409module_exit(alsa_card_es18xx_exit)
2410