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	int irq;			/* IRQ number of ESS chip */
  91	int dma1;			/* DMA1 */
  92	int dma2;			/* DMA2 */
  93	unsigned short version;		/* version of ESS chip */
  94	int caps;			/* Chip capabilities */
  95	unsigned short audio2_vol;	/* volume level of audio2 */
  96
  97	unsigned short active;		/* active channel mask */
  98	unsigned int dma1_shift;
  99	unsigned int dma2_shift;
 100
 101	struct snd_pcm *pcm;
 102	struct snd_pcm_substream *playback_a_substream;
 103	struct snd_pcm_substream *capture_a_substream;
 104	struct snd_pcm_substream *playback_b_substream;
 105
 106	struct snd_rawmidi *rmidi;
 107
 108	struct snd_kcontrol *hw_volume;
 109	struct snd_kcontrol *hw_switch;
 110	struct snd_kcontrol *master_volume;
 111	struct snd_kcontrol *master_switch;
 112
 113	spinlock_t reg_lock;
 114	spinlock_t mixer_lock;
 115#ifdef CONFIG_PM
 116	unsigned char pm_reg;
 117#endif
 118#ifdef CONFIG_PNP
 119	struct pnp_dev *dev;
 120	struct pnp_dev *devc;
 121#endif
 122};
 123
 124#define AUDIO1_IRQ	0x01
 125#define AUDIO2_IRQ	0x02
 126#define HWV_IRQ		0x04
 127#define MPU_IRQ		0x08
 128
 129#define ES18XX_PCM2	0x0001	/* Has two useable PCM */
 130#define ES18XX_SPATIALIZER 0x0002	/* Has 3D Spatializer */
 131#define ES18XX_RECMIX	0x0004	/* Has record mixer */
 132#define ES18XX_DUPLEX_MONO 0x0008	/* Has mono duplex only */
 133#define ES18XX_DUPLEX_SAME 0x0010	/* Playback and record must share the same rate */
 134#define ES18XX_NEW_RATE	0x0020	/* More precise rate setting */
 135#define ES18XX_AUXB	0x0040	/* AuxB mixer control */
 136#define ES18XX_HWV	0x0080	/* Has separate hardware volume mixer controls*/
 137#define ES18XX_MONO	0x0100	/* Mono_in mixer control */
 138#define ES18XX_I2S	0x0200	/* I2S mixer control */
 139#define ES18XX_MUTEREC	0x0400	/* Record source can be muted */
 140#define ES18XX_CONTROL	0x0800	/* Has control ports */
 141#define ES18XX_GPO_2BIT	0x1000	/* GPO0,1 controlled by PM port */
 142
 143/* Power Management */
 144#define ES18XX_PM	0x07
 145#define ES18XX_PM_GPO0	0x01
 146#define ES18XX_PM_GPO1	0x02
 147#define ES18XX_PM_PDR	0x04
 148#define ES18XX_PM_ANA	0x08
 149#define ES18XX_PM_FM	0x020
 150#define ES18XX_PM_SUS	0x080
 151
 152/* Lowlevel */
 153
 154#define DAC1 0x01
 155#define ADC1 0x02
 156#define DAC2 0x04
 157#define MILLISECOND 10000
 158
 159static int snd_es18xx_dsp_command(struct snd_es18xx *chip, unsigned char val)
 160{
 161        int i;
 162
 163        for(i = MILLISECOND; i; i--)
 164                if ((inb(chip->port + 0x0C) & 0x80) == 0) {
 165                        outb(val, chip->port + 0x0C);
 166                        return 0;
 167                }
 168	snd_printk(KERN_ERR "dsp_command: timeout (0x%x)\n", val);
 169        return -EINVAL;
 170}
 171
 172static int snd_es18xx_dsp_get_byte(struct snd_es18xx *chip)
 173{
 174        int i;
 175
 176        for(i = MILLISECOND/10; i; i--)
 177                if (inb(chip->port + 0x0C) & 0x40)
 178                        return inb(chip->port + 0x0A);
 179	snd_printk(KERN_ERR "dsp_get_byte failed: 0x%lx = 0x%x!!!\n",
 180		   chip->port + 0x0A, inb(chip->port + 0x0A));
 181        return -ENODEV;
 182}
 183
 184#undef REG_DEBUG
 185
 186static int snd_es18xx_write(struct snd_es18xx *chip,
 187			    unsigned char reg, unsigned char data)
 188{
 189	unsigned long flags;
 190	int ret;
 191	
 192        spin_lock_irqsave(&chip->reg_lock, flags);
 193	ret = snd_es18xx_dsp_command(chip, reg);
 194	if (ret < 0)
 195		goto end;
 196        ret = snd_es18xx_dsp_command(chip, data);
 197 end:
 198        spin_unlock_irqrestore(&chip->reg_lock, flags);
 199#ifdef REG_DEBUG
 200	snd_printk(KERN_DEBUG "Reg %02x set to %02x\n", reg, data);
 201#endif
 202	return ret;
 203}
 204
 205static int snd_es18xx_read(struct snd_es18xx *chip, unsigned char reg)
 206{
 207	unsigned long flags;
 208	int ret, data;
 209        spin_lock_irqsave(&chip->reg_lock, flags);
 210	ret = snd_es18xx_dsp_command(chip, 0xC0);
 211	if (ret < 0)
 212		goto end;
 213        ret = snd_es18xx_dsp_command(chip, reg);
 214	if (ret < 0)
 215		goto end;
 216	data = snd_es18xx_dsp_get_byte(chip);
 217	ret = data;
 218#ifdef REG_DEBUG
 219	snd_printk(KERN_DEBUG "Reg %02x now is %02x (%d)\n", reg, data, ret);
 220#endif
 221 end:
 222        spin_unlock_irqrestore(&chip->reg_lock, flags);
 223	return ret;
 224}
 225
 226/* Return old value */
 227static int snd_es18xx_bits(struct snd_es18xx *chip, unsigned char reg,
 228			   unsigned char mask, unsigned char val)
 229{
 230        int ret;
 231	unsigned char old, new, oval;
 232	unsigned long flags;
 233        spin_lock_irqsave(&chip->reg_lock, flags);
 234        ret = snd_es18xx_dsp_command(chip, 0xC0);
 235	if (ret < 0)
 236		goto end;
 237        ret = snd_es18xx_dsp_command(chip, reg);
 238	if (ret < 0)
 239		goto end;
 240	ret = snd_es18xx_dsp_get_byte(chip);
 241	if (ret < 0) {
 242		goto end;
 243	}
 244	old = ret;
 245	oval = old & mask;
 246	if (val != oval) {
 247		ret = snd_es18xx_dsp_command(chip, reg);
 248		if (ret < 0)
 249			goto end;
 250		new = (old & ~mask) | (val & mask);
 251		ret = snd_es18xx_dsp_command(chip, new);
 252		if (ret < 0)
 253			goto end;
 254#ifdef REG_DEBUG
 255		snd_printk(KERN_DEBUG "Reg %02x was %02x, set to %02x (%d)\n",
 256			   reg, old, new, ret);
 257#endif
 258	}
 259	ret = oval;
 260 end:
 261        spin_unlock_irqrestore(&chip->reg_lock, flags);
 262	return ret;
 263}
 264
 265static inline void snd_es18xx_mixer_write(struct snd_es18xx *chip,
 266			    unsigned char reg, unsigned char data)
 267{
 268	unsigned long flags;
 269        spin_lock_irqsave(&chip->mixer_lock, flags);
 270        outb(reg, chip->port + 0x04);
 271        outb(data, chip->port + 0x05);
 272        spin_unlock_irqrestore(&chip->mixer_lock, flags);
 273#ifdef REG_DEBUG
 274	snd_printk(KERN_DEBUG "Mixer reg %02x set to %02x\n", reg, data);
 275#endif
 276}
 277
 278static inline int snd_es18xx_mixer_read(struct snd_es18xx *chip, unsigned char reg)
 279{
 280	unsigned long flags;
 281	int data;
 282        spin_lock_irqsave(&chip->mixer_lock, flags);
 283        outb(reg, chip->port + 0x04);
 284	data = inb(chip->port + 0x05);
 285        spin_unlock_irqrestore(&chip->mixer_lock, flags);
 286#ifdef REG_DEBUG
 287	snd_printk(KERN_DEBUG "Mixer reg %02x now is %02x\n", reg, data);
 288#endif
 289        return data;
 290}
 291
 292/* Return old value */
 293static inline int snd_es18xx_mixer_bits(struct snd_es18xx *chip, unsigned char reg,
 294					unsigned char mask, unsigned char val)
 295{
 296	unsigned char old, new, oval;
 297	unsigned long flags;
 298        spin_lock_irqsave(&chip->mixer_lock, flags);
 299        outb(reg, chip->port + 0x04);
 300	old = inb(chip->port + 0x05);
 301	oval = old & mask;
 302	if (val != oval) {
 303		new = (old & ~mask) | (val & mask);
 304		outb(new, chip->port + 0x05);
 305#ifdef REG_DEBUG
 306		snd_printk(KERN_DEBUG "Mixer reg %02x was %02x, set to %02x\n",
 307			   reg, old, new);
 308#endif
 309	}
 310        spin_unlock_irqrestore(&chip->mixer_lock, flags);
 311	return oval;
 312}
 313
 314static inline int snd_es18xx_mixer_writable(struct snd_es18xx *chip, unsigned char reg,
 315					    unsigned char mask)
 316{
 317	int old, expected, new;
 318	unsigned long flags;
 319        spin_lock_irqsave(&chip->mixer_lock, flags);
 320        outb(reg, chip->port + 0x04);
 321	old = inb(chip->port + 0x05);
 322	expected = old ^ mask;
 323	outb(expected, chip->port + 0x05);
 324	new = inb(chip->port + 0x05);
 325        spin_unlock_irqrestore(&chip->mixer_lock, flags);
 326#ifdef REG_DEBUG
 327	snd_printk(KERN_DEBUG "Mixer reg %02x was %02x, set to %02x, now is %02x\n",
 328		   reg, old, expected, new);
 329#endif
 330	return expected == new;
 331}
 332
 333
 334static int snd_es18xx_reset(struct snd_es18xx *chip)
 335{
 336	int i;
 337        outb(0x03, chip->port + 0x06);
 338        inb(chip->port + 0x06);
 339        outb(0x00, chip->port + 0x06);
 340        for(i = 0; i < MILLISECOND && !(inb(chip->port + 0x0E) & 0x80); i++);
 341        if (inb(chip->port + 0x0A) != 0xAA)
 342                return -1;
 343	return 0;
 344}
 345
 346static int snd_es18xx_reset_fifo(struct snd_es18xx *chip)
 347{
 348        outb(0x02, chip->port + 0x06);
 349        inb(chip->port + 0x06);
 350        outb(0x00, chip->port + 0x06);
 351	return 0;
 352}
 353
 354static const struct snd_ratnum new_clocks[2] = {
 355	{
 356		.num = 793800,
 357		.den_min = 1,
 358		.den_max = 128,
 359		.den_step = 1,
 360	},
 361	{
 362		.num = 768000,
 363		.den_min = 1,
 364		.den_max = 128,
 365		.den_step = 1,
 366	}
 367};
 368
 369static const struct snd_pcm_hw_constraint_ratnums new_hw_constraints_clocks = {
 370	.nrats = 2,
 371	.rats = new_clocks,
 372};
 373
 374static const struct snd_ratnum old_clocks[2] = {
 375	{
 376		.num = 795444,
 377		.den_min = 1,
 378		.den_max = 128,
 379		.den_step = 1,
 380	},
 381	{
 382		.num = 397722,
 383		.den_min = 1,
 384		.den_max = 128,
 385		.den_step = 1,
 386	}
 387};
 388
 389static const struct snd_pcm_hw_constraint_ratnums old_hw_constraints_clocks  = {
 390	.nrats = 2,
 391	.rats = old_clocks,
 392};
 393
 394
 395static void snd_es18xx_rate_set(struct snd_es18xx *chip, 
 396				struct snd_pcm_substream *substream,
 397				int mode)
 398{
 399	unsigned int bits, div0;
 400	struct snd_pcm_runtime *runtime = substream->runtime;
 401	if (chip->caps & ES18XX_NEW_RATE) {
 402		if (runtime->rate_num == new_clocks[0].num)
 403			bits = 128 - runtime->rate_den;
 404		else
 405			bits = 256 - runtime->rate_den;
 406	} else {
 407		if (runtime->rate_num == old_clocks[0].num)
 408			bits = 256 - runtime->rate_den;
 409		else
 410			bits = 128 - runtime->rate_den;
 411	}
 412
 413	/* set filter register */
 414	div0 = 256 - 7160000*20/(8*82*runtime->rate);
 415		
 416	if ((chip->caps & ES18XX_PCM2) && mode == DAC2) {
 417		snd_es18xx_mixer_write(chip, 0x70, bits);
 418		/*
 419		 * Comment from kernel oss driver:
 420		 * FKS: fascinating: 0x72 doesn't seem to work.
 421		 */
 422		snd_es18xx_write(chip, 0xA2, div0);
 423		snd_es18xx_mixer_write(chip, 0x72, div0);
 424	} else {
 425		snd_es18xx_write(chip, 0xA1, bits);
 426		snd_es18xx_write(chip, 0xA2, div0);
 427	}
 428}
 429
 430static int snd_es18xx_playback_hw_params(struct snd_pcm_substream *substream,
 431					 struct snd_pcm_hw_params *hw_params)
 432{
 433	struct snd_es18xx *chip = snd_pcm_substream_chip(substream);
 434	int shift;
 435
 436	shift = 0;
 437	if (params_channels(hw_params) == 2)
 438		shift++;
 439	if (snd_pcm_format_width(params_format(hw_params)) == 16)
 440		shift++;
 441
 442	if (substream->number == 0 && (chip->caps & ES18XX_PCM2)) {
 443		if ((chip->caps & ES18XX_DUPLEX_MONO) &&
 444		    (chip->capture_a_substream) &&
 445		    params_channels(hw_params) != 1) {
 446			_snd_pcm_hw_param_setempty(hw_params, SNDRV_PCM_HW_PARAM_CHANNELS);
 447			return -EBUSY;
 448		}
 449		chip->dma2_shift = shift;
 450	} else {
 451		chip->dma1_shift = shift;
 452	}
 453	return 0;
 454}
 455
 456static int snd_es18xx_playback1_prepare(struct snd_es18xx *chip,
 457					struct snd_pcm_substream *substream)
 458{
 459	struct snd_pcm_runtime *runtime = substream->runtime;
 460	unsigned int size = snd_pcm_lib_buffer_bytes(substream);
 461	unsigned int count = snd_pcm_lib_period_bytes(substream);
 462
 463        snd_es18xx_rate_set(chip, substream, DAC2);
 464
 465        /* Transfer Count Reload */
 466        count = 0x10000 - count;
 467        snd_es18xx_mixer_write(chip, 0x74, count & 0xff);
 468        snd_es18xx_mixer_write(chip, 0x76, count >> 8);
 469
 470	/* Set format */
 471        snd_es18xx_mixer_bits(chip, 0x7A, 0x07,
 472			      ((runtime->channels == 1) ? 0x00 : 0x02) |
 473			      (snd_pcm_format_width(runtime->format) == 16 ? 0x01 : 0x00) |
 474			      (snd_pcm_format_unsigned(runtime->format) ? 0x00 : 0x04));
 475
 476        /* Set DMA controller */
 477        snd_dma_program(chip->dma2, runtime->dma_addr, size, DMA_MODE_WRITE | DMA_AUTOINIT);
 478
 479	return 0;
 480}
 481
 482static int snd_es18xx_playback1_trigger(struct snd_es18xx *chip,
 483					struct snd_pcm_substream *substream,
 484					int cmd)
 485{
 486	switch (cmd) {
 487	case SNDRV_PCM_TRIGGER_START:
 488	case SNDRV_PCM_TRIGGER_RESUME:
 489		if (chip->active & DAC2)
 490			return 0;
 491		chip->active |= DAC2;
 492                /* Start DMA */
 493		if (chip->dma2 >= 4)
 494			snd_es18xx_mixer_write(chip, 0x78, 0xb3);
 495		else
 496			snd_es18xx_mixer_write(chip, 0x78, 0x93);
 497#ifdef AVOID_POPS
 498		/* Avoid pops */
 499		mdelay(100);
 500		if (chip->caps & ES18XX_PCM2)
 501			/* Restore Audio 2 volume */
 502			snd_es18xx_mixer_write(chip, 0x7C, chip->audio2_vol);
 503		else
 504			/* Enable PCM output */
 505			snd_es18xx_dsp_command(chip, 0xD1);
 506#endif
 507		break;
 508	case SNDRV_PCM_TRIGGER_STOP:
 509	case SNDRV_PCM_TRIGGER_SUSPEND:
 510		if (!(chip->active & DAC2))
 511			return 0;
 512		chip->active &= ~DAC2;
 513                /* Stop DMA */
 514                snd_es18xx_mixer_write(chip, 0x78, 0x00);
 515#ifdef AVOID_POPS
 516		mdelay(25);
 517		if (chip->caps & ES18XX_PCM2)
 518			/* Set Audio 2 volume to 0 */
 519			snd_es18xx_mixer_write(chip, 0x7C, 0);
 520		else
 521			/* Disable PCM output */
 522			snd_es18xx_dsp_command(chip, 0xD3);
 523#endif
 524		break;
 525	default:
 526		return -EINVAL;
 527	}
 528
 529	return 0;
 530}
 531
 532static int snd_es18xx_capture_hw_params(struct snd_pcm_substream *substream,
 533					struct snd_pcm_hw_params *hw_params)
 534{
 535	struct snd_es18xx *chip = snd_pcm_substream_chip(substream);
 536	int shift;
 537
 538	shift = 0;
 539	if ((chip->caps & ES18XX_DUPLEX_MONO) &&
 540	    chip->playback_a_substream &&
 541	    params_channels(hw_params) != 1) {
 542		_snd_pcm_hw_param_setempty(hw_params, SNDRV_PCM_HW_PARAM_CHANNELS);
 543		return -EBUSY;
 544	}
 545	if (params_channels(hw_params) == 2)
 546		shift++;
 547	if (snd_pcm_format_width(params_format(hw_params)) == 16)
 548		shift++;
 549	chip->dma1_shift = shift;
 550	return 0;
 551}
 552
 553static int snd_es18xx_capture_prepare(struct snd_pcm_substream *substream)
 554{
 555        struct snd_es18xx *chip = snd_pcm_substream_chip(substream);
 556	struct snd_pcm_runtime *runtime = substream->runtime;
 557	unsigned int size = snd_pcm_lib_buffer_bytes(substream);
 558	unsigned int count = snd_pcm_lib_period_bytes(substream);
 559
 560	snd_es18xx_reset_fifo(chip);
 561
 562        /* Set stereo/mono */
 563        snd_es18xx_bits(chip, 0xA8, 0x03, runtime->channels == 1 ? 0x02 : 0x01);
 564
 565        snd_es18xx_rate_set(chip, substream, ADC1);
 566
 567        /* Transfer Count Reload */
 568	count = 0x10000 - count;
 569	snd_es18xx_write(chip, 0xA4, count & 0xff);
 570	snd_es18xx_write(chip, 0xA5, count >> 8);
 571
 572#ifdef AVOID_POPS
 573	mdelay(100);
 574#endif
 575
 576        /* Set format */
 577        snd_es18xx_write(chip, 0xB7, 
 578                         snd_pcm_format_unsigned(runtime->format) ? 0x51 : 0x71);
 579        snd_es18xx_write(chip, 0xB7, 0x90 |
 580                         ((runtime->channels == 1) ? 0x40 : 0x08) |
 581                         (snd_pcm_format_width(runtime->format) == 16 ? 0x04 : 0x00) |
 582                         (snd_pcm_format_unsigned(runtime->format) ? 0x00 : 0x20));
 583
 584        /* Set DMA controller */
 585        snd_dma_program(chip->dma1, runtime->dma_addr, size, DMA_MODE_READ | DMA_AUTOINIT);
 586
 587	return 0;
 588}
 589
 590static int snd_es18xx_capture_trigger(struct snd_pcm_substream *substream,
 591				      int cmd)
 592{
 593        struct snd_es18xx *chip = snd_pcm_substream_chip(substream);
 594
 595	switch (cmd) {
 596	case SNDRV_PCM_TRIGGER_START:
 597	case SNDRV_PCM_TRIGGER_RESUME:
 598		if (chip->active & ADC1)
 599			return 0;
 600		chip->active |= ADC1;
 601                /* Start DMA */
 602                snd_es18xx_write(chip, 0xB8, 0x0f);
 603		break;
 604	case SNDRV_PCM_TRIGGER_STOP:
 605	case SNDRV_PCM_TRIGGER_SUSPEND:
 606		if (!(chip->active & ADC1))
 607			return 0;
 608		chip->active &= ~ADC1;
 609                /* Stop DMA */
 610                snd_es18xx_write(chip, 0xB8, 0x00);
 611		break;
 612	default:
 613		return -EINVAL;
 614	}
 615
 616	return 0;
 617}
 618
 619static int snd_es18xx_playback2_prepare(struct snd_es18xx *chip,
 620					struct snd_pcm_substream *substream)
 621{
 622	struct snd_pcm_runtime *runtime = substream->runtime;
 623	unsigned int size = snd_pcm_lib_buffer_bytes(substream);
 624	unsigned int count = snd_pcm_lib_period_bytes(substream);
 625
 626	snd_es18xx_reset_fifo(chip);
 627
 628        /* Set stereo/mono */
 629        snd_es18xx_bits(chip, 0xA8, 0x03, runtime->channels == 1 ? 0x02 : 0x01);
 630
 631        snd_es18xx_rate_set(chip, substream, DAC1);
 632
 633        /* Transfer Count Reload */
 634	count = 0x10000 - count;
 635	snd_es18xx_write(chip, 0xA4, count & 0xff);
 636	snd_es18xx_write(chip, 0xA5, count >> 8);
 637
 638        /* Set format */
 639        snd_es18xx_write(chip, 0xB6,
 640                         snd_pcm_format_unsigned(runtime->format) ? 0x80 : 0x00);
 641        snd_es18xx_write(chip, 0xB7, 
 642                         snd_pcm_format_unsigned(runtime->format) ? 0x51 : 0x71);
 643        snd_es18xx_write(chip, 0xB7, 0x90 |
 644                         (runtime->channels == 1 ? 0x40 : 0x08) |
 645                         (snd_pcm_format_width(runtime->format) == 16 ? 0x04 : 0x00) |
 646                         (snd_pcm_format_unsigned(runtime->format) ? 0x00 : 0x20));
 647
 648        /* Set DMA controller */
 649        snd_dma_program(chip->dma1, runtime->dma_addr, size, DMA_MODE_WRITE | DMA_AUTOINIT);
 650
 651	return 0;
 652}
 653
 654static int snd_es18xx_playback2_trigger(struct snd_es18xx *chip,
 655					struct snd_pcm_substream *substream,
 656					int cmd)
 657{
 658	switch (cmd) {
 659	case SNDRV_PCM_TRIGGER_START:
 660	case SNDRV_PCM_TRIGGER_RESUME:
 661		if (chip->active & DAC1)
 662			return 0;
 663		chip->active |= DAC1;
 664                /* Start DMA */
 665                snd_es18xx_write(chip, 0xB8, 0x05);
 666#ifdef AVOID_POPS
 667		/* Avoid pops */
 668		mdelay(100);
 669                /* Enable Audio 1 */
 670                snd_es18xx_dsp_command(chip, 0xD1);
 671#endif
 672		break;
 673	case SNDRV_PCM_TRIGGER_STOP:
 674	case SNDRV_PCM_TRIGGER_SUSPEND:
 675		if (!(chip->active & DAC1))
 676			return 0;
 677		chip->active &= ~DAC1;
 678                /* Stop DMA */
 679                snd_es18xx_write(chip, 0xB8, 0x00);
 680#ifdef AVOID_POPS
 681		/* Avoid pops */
 682		mdelay(25);
 683                /* Disable Audio 1 */
 684                snd_es18xx_dsp_command(chip, 0xD3);
 685#endif
 686		break;
 687	default:
 688		return -EINVAL;
 689	}
 690
 691	return 0;
 692}
 693
 694static int snd_es18xx_playback_prepare(struct snd_pcm_substream *substream)
 695{
 696        struct snd_es18xx *chip = snd_pcm_substream_chip(substream);
 697	if (substream->number == 0 && (chip->caps & ES18XX_PCM2))
 698		return snd_es18xx_playback1_prepare(chip, substream);
 699	else
 700		return snd_es18xx_playback2_prepare(chip, substream);
 701}
 702
 703static int snd_es18xx_playback_trigger(struct snd_pcm_substream *substream,
 704				       int cmd)
 705{
 706        struct snd_es18xx *chip = snd_pcm_substream_chip(substream);
 707	if (substream->number == 0 && (chip->caps & ES18XX_PCM2))
 708		return snd_es18xx_playback1_trigger(chip, substream, cmd);
 709	else
 710		return snd_es18xx_playback2_trigger(chip, substream, cmd);
 711}
 712
 713static irqreturn_t snd_es18xx_interrupt(int irq, void *dev_id)
 714{
 715	struct snd_card *card = dev_id;
 716	struct snd_es18xx *chip = card->private_data;
 717	unsigned char status;
 718
 719	if (chip->caps & ES18XX_CONTROL) {
 720		/* Read Interrupt status */
 721		status = inb(chip->ctrl_port + 6);
 722	} else {
 723		/* Read Interrupt status */
 724		status = snd_es18xx_mixer_read(chip, 0x7f) >> 4;
 725	}
 726#if 0
 727	else {
 728		status = 0;
 729		if (inb(chip->port + 0x0C) & 0x01)
 730			status |= AUDIO1_IRQ;
 731		if (snd_es18xx_mixer_read(chip, 0x7A) & 0x80)
 732			status |= AUDIO2_IRQ;
 733		if ((chip->caps & ES18XX_HWV) &&
 734		    snd_es18xx_mixer_read(chip, 0x64) & 0x10)
 735			status |= HWV_IRQ;
 736	}
 737#endif
 738
 739	/* Audio 1 & Audio 2 */
 740        if (status & AUDIO2_IRQ) {
 741                if (chip->active & DAC2)
 742                	snd_pcm_period_elapsed(chip->playback_a_substream);
 743		/* ack interrupt */
 744                snd_es18xx_mixer_bits(chip, 0x7A, 0x80, 0x00);
 745        }
 746        if (status & AUDIO1_IRQ) {
 747                /* ok.. capture is active */
 748                if (chip->active & ADC1)
 749                	snd_pcm_period_elapsed(chip->capture_a_substream);
 750                /* ok.. playback2 is active */
 751                else if (chip->active & DAC1)
 752                	snd_pcm_period_elapsed(chip->playback_b_substream);
 753		/* ack interrupt */
 754		inb(chip->port + 0x0E);
 755        }
 756
 757	/* MPU */
 758	if ((status & MPU_IRQ) && chip->rmidi)
 759		snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data);
 760
 761	/* Hardware volume */
 762	if (status & HWV_IRQ) {
 763		int split = 0;
 764		if (chip->caps & ES18XX_HWV) {
 765			split = snd_es18xx_mixer_read(chip, 0x64) & 0x80;
 766			snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE,
 767					&chip->hw_switch->id);
 768			snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE,
 769					&chip->hw_volume->id);
 770		}
 771		if (!split) {
 772			snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE,
 773					&chip->master_switch->id);
 774			snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE,
 775					&chip->master_volume->id);
 776		}
 777		/* ack interrupt */
 778		snd_es18xx_mixer_write(chip, 0x66, 0x00);
 779	}
 780	return IRQ_HANDLED;
 781}
 782
 783static snd_pcm_uframes_t snd_es18xx_playback_pointer(struct snd_pcm_substream *substream)
 784{
 785        struct snd_es18xx *chip = snd_pcm_substream_chip(substream);
 786	unsigned int size = snd_pcm_lib_buffer_bytes(substream);
 787	int pos;
 788
 789	if (substream->number == 0 && (chip->caps & ES18XX_PCM2)) {
 790		if (!(chip->active & DAC2))
 791			return 0;
 792		pos = snd_dma_pointer(chip->dma2, size);
 793		return pos >> chip->dma2_shift;
 794	} else {
 795		if (!(chip->active & DAC1))
 796			return 0;
 797		pos = snd_dma_pointer(chip->dma1, size);
 798		return pos >> chip->dma1_shift;
 799	}
 800}
 801
 802static snd_pcm_uframes_t snd_es18xx_capture_pointer(struct snd_pcm_substream *substream)
 803{
 804        struct snd_es18xx *chip = snd_pcm_substream_chip(substream);
 805	unsigned int size = snd_pcm_lib_buffer_bytes(substream);
 806	int pos;
 807
 808        if (!(chip->active & ADC1))
 809                return 0;
 810	pos = snd_dma_pointer(chip->dma1, size);
 811	return pos >> chip->dma1_shift;
 812}
 813
 814static const struct snd_pcm_hardware snd_es18xx_playback =
 815{
 816	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 817				 SNDRV_PCM_INFO_RESUME |
 818				 SNDRV_PCM_INFO_MMAP_VALID),
 819	.formats =		(SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S8 | 
 820				 SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_U16_LE),
 821	.rates =		SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
 822	.rate_min =		4000,
 823	.rate_max =		48000,
 824	.channels_min =		1,
 825	.channels_max =		2,
 826	.buffer_bytes_max =	65536,
 827	.period_bytes_min =	64,
 828	.period_bytes_max =	65536,
 829	.periods_min =		1,
 830	.periods_max =		1024,
 831	.fifo_size =		0,
 832};
 833
 834static const struct snd_pcm_hardware snd_es18xx_capture =
 835{
 836	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 837				 SNDRV_PCM_INFO_RESUME |
 838				 SNDRV_PCM_INFO_MMAP_VALID),
 839	.formats =		(SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S8 | 
 840				 SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_U16_LE),
 841	.rates =		SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
 842	.rate_min =		4000,
 843	.rate_max =		48000,
 844	.channels_min =		1,
 845	.channels_max =		2,
 846	.buffer_bytes_max =	65536,
 847	.period_bytes_min =	64,
 848	.period_bytes_max =	65536,
 849	.periods_min =		1,
 850	.periods_max =		1024,
 851	.fifo_size =		0,
 852};
 853
 854static int snd_es18xx_playback_open(struct snd_pcm_substream *substream)
 855{
 856	struct snd_pcm_runtime *runtime = substream->runtime;
 857        struct snd_es18xx *chip = snd_pcm_substream_chip(substream);
 858
 859	if (substream->number == 0 && (chip->caps & ES18XX_PCM2)) {
 860		if ((chip->caps & ES18XX_DUPLEX_MONO) &&
 861		    chip->capture_a_substream && 
 862		    chip->capture_a_substream->runtime->channels != 1)
 863			return -EAGAIN;
 864		chip->playback_a_substream = substream;
 865	} else if (substream->number <= 1) {
 866		if (chip->capture_a_substream)
 867			return -EAGAIN;
 868		chip->playback_b_substream = substream;
 869	} else {
 870		snd_BUG();
 871		return -EINVAL;
 872	}
 873	substream->runtime->hw = snd_es18xx_playback;
 874	snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 875				      (chip->caps & ES18XX_NEW_RATE) ? &new_hw_constraints_clocks : &old_hw_constraints_clocks);
 876        return 0;
 877}
 878
 879static int snd_es18xx_capture_open(struct snd_pcm_substream *substream)
 880{
 881	struct snd_pcm_runtime *runtime = substream->runtime;
 882        struct snd_es18xx *chip = snd_pcm_substream_chip(substream);
 883
 884        if (chip->playback_b_substream)
 885                return -EAGAIN;
 886	if ((chip->caps & ES18XX_DUPLEX_MONO) &&
 887	    chip->playback_a_substream &&
 888	    chip->playback_a_substream->runtime->channels != 1)
 889		return -EAGAIN;
 890        chip->capture_a_substream = substream;
 891	substream->runtime->hw = snd_es18xx_capture;
 892	snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 893				      (chip->caps & ES18XX_NEW_RATE) ? &new_hw_constraints_clocks : &old_hw_constraints_clocks);
 894        return 0;
 895}
 896
 897static int snd_es18xx_playback_close(struct snd_pcm_substream *substream)
 898{
 899        struct snd_es18xx *chip = snd_pcm_substream_chip(substream);
 900
 901	if (substream->number == 0 && (chip->caps & ES18XX_PCM2))
 902		chip->playback_a_substream = NULL;
 903	else
 904		chip->playback_b_substream = NULL;
 905	
 906	return 0;
 907}
 908
 909static int snd_es18xx_capture_close(struct snd_pcm_substream *substream)
 910{
 911        struct snd_es18xx *chip = snd_pcm_substream_chip(substream);
 912
 913        chip->capture_a_substream = NULL;
 914        return 0;
 915}
 916
 917/*
 918 *  MIXER part
 919 */
 920
 921/* Record source mux routines:
 922 * Depending on the chipset this mux switches between 4, 5, or 8 possible inputs.
 923 * bit table for the 4/5 source mux:
 924 * reg 1C:
 925 *  b2 b1 b0   muxSource
 926 *   x  0  x   microphone
 927 *   0  1  x   CD
 928 *   1  1  0   line
 929 *   1  1  1   mixer
 930 * if it's "mixer" and it's a 5 source mux chipset then reg 7A bit 3 determines
 931 * either the play mixer or the capture mixer.
 932 *
 933 * "map4Source" translates from source number to reg bit pattern
 934 * "invMap4Source" translates from reg bit pattern to source number
 935 */
 936
 937static int snd_es18xx_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 938{
 939	static const char * const texts5Source[5] = {
 940		"Mic", "CD", "Line", "Master", "Mix"
 941	};
 942	static const char * const texts8Source[8] = {
 943		"Mic", "Mic Master", "CD", "AOUT",
 944		"Mic1", "Mix", "Line", "Master"
 945	};
 946	struct snd_es18xx *chip = snd_kcontrol_chip(kcontrol);
 947
 948	switch (chip->version) {
 949	case 0x1868:
 950	case 0x1878:
 951		return snd_ctl_enum_info(uinfo, 1, 4, texts5Source);
 952	case 0x1887:
 953	case 0x1888:
 954		return snd_ctl_enum_info(uinfo, 1, 5, texts5Source);
 955	case 0x1869: /* DS somewhat contradictory for 1869: could be 5 or 8 */
 956	case 0x1879:
 957		return snd_ctl_enum_info(uinfo, 1, 8, texts8Source);
 958	default:
 959		return -EINVAL;
 960	}
 961}
 962
 963static int snd_es18xx_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 964{
 965	static const unsigned char invMap4Source[8] = {0, 0, 1, 1, 0, 0, 2, 3};
 966	struct snd_es18xx *chip = snd_kcontrol_chip(kcontrol);
 967	int muxSource = snd_es18xx_mixer_read(chip, 0x1c) & 0x07;
 968	if (!(chip->version == 0x1869 || chip->version == 0x1879)) {
 969		muxSource = invMap4Source[muxSource];
 970		if (muxSource==3 && 
 971		    (chip->version == 0x1887 || chip->version == 0x1888) &&
 972		    (snd_es18xx_mixer_read(chip, 0x7a) & 0x08)
 973		) 
 974			muxSource = 4;
 975	}
 976	ucontrol->value.enumerated.item[0] = muxSource;
 977	return 0;
 978}
 979
 980static int snd_es18xx_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 981{
 982	static const unsigned char map4Source[4] = {0, 2, 6, 7};
 983	struct snd_es18xx *chip = snd_kcontrol_chip(kcontrol);
 984	unsigned char val = ucontrol->value.enumerated.item[0];
 985	unsigned char retVal = 0;
 986
 987	switch (chip->version) {
 988 /* 5 source chips */
 989	case 0x1887:
 990	case 0x1888:
 991		if (val > 4)
 992			return -EINVAL;
 993		if (val == 4) {
 994			retVal = snd_es18xx_mixer_bits(chip, 0x7a, 0x08, 0x08) != 0x08;
 995			val = 3;
 996		} else
 997			retVal = snd_es18xx_mixer_bits(chip, 0x7a, 0x08, 0x00) != 0x00;
 998		fallthrough;
 999 /* 4 source chips */
1000	case 0x1868:
1001	case 0x1878:
1002		if (val > 3)
1003			return -EINVAL;
1004		val = map4Source[val];
1005		break;
1006 /* 8 source chips */
1007	case 0x1869:
1008	case 0x1879:
1009		if (val > 7)
1010			return -EINVAL;
1011		break;
1012	default:
1013		return -EINVAL;
1014	}
1015	return (snd_es18xx_mixer_bits(chip, 0x1c, 0x07, val) != val) || retVal;
1016}
1017
1018#define snd_es18xx_info_spatializer_enable	snd_ctl_boolean_mono_info
1019
1020static int snd_es18xx_get_spatializer_enable(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1021{
1022	struct snd_es18xx *chip = snd_kcontrol_chip(kcontrol);
1023	unsigned char val = snd_es18xx_mixer_read(chip, 0x50);
1024	ucontrol->value.integer.value[0] = !!(val & 8);
1025	return 0;
1026}
1027
1028static int snd_es18xx_put_spatializer_enable(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1029{
1030	struct snd_es18xx *chip = snd_kcontrol_chip(kcontrol);
1031	unsigned char oval, nval;
1032	int change;
1033	nval = ucontrol->value.integer.value[0] ? 0x0c : 0x04;
1034	oval = snd_es18xx_mixer_read(chip, 0x50) & 0x0c;
1035	change = nval != oval;
1036	if (change) {
1037		snd_es18xx_mixer_write(chip, 0x50, nval & ~0x04);
1038		snd_es18xx_mixer_write(chip, 0x50, nval);
1039	}
1040	return change;
1041}
1042
1043static int snd_es18xx_info_hw_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1044{
1045	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1046	uinfo->count = 2;
1047	uinfo->value.integer.min = 0;
1048	uinfo->value.integer.max = 63;
1049	return 0;
1050}
1051
1052static int snd_es18xx_get_hw_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1053{
1054	struct snd_es18xx *chip = snd_kcontrol_chip(kcontrol);
1055	ucontrol->value.integer.value[0] = snd_es18xx_mixer_read(chip, 0x61) & 0x3f;
1056	ucontrol->value.integer.value[1] = snd_es18xx_mixer_read(chip, 0x63) & 0x3f;
1057	return 0;
1058}
1059
1060#define snd_es18xx_info_hw_switch	snd_ctl_boolean_stereo_info
1061
1062static int snd_es18xx_get_hw_switch(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1063{
1064	struct snd_es18xx *chip = snd_kcontrol_chip(kcontrol);
1065	ucontrol->value.integer.value[0] = !(snd_es18xx_mixer_read(chip, 0x61) & 0x40);
1066	ucontrol->value.integer.value[1] = !(snd_es18xx_mixer_read(chip, 0x63) & 0x40);
1067	return 0;
1068}
1069
1070static void snd_es18xx_hwv_free(struct snd_kcontrol *kcontrol)
1071{
1072	struct snd_es18xx *chip = snd_kcontrol_chip(kcontrol);
1073	chip->master_volume = NULL;
1074	chip->master_switch = NULL;
1075	chip->hw_volume = NULL;
1076	chip->hw_switch = NULL;
1077}
1078
1079static int snd_es18xx_reg_bits(struct snd_es18xx *chip, unsigned char reg,
1080			       unsigned char mask, unsigned char val)
1081{
1082	if (reg < 0xa0)
1083		return snd_es18xx_mixer_bits(chip, reg, mask, val);
1084	else
1085		return snd_es18xx_bits(chip, reg, mask, val);
1086}
1087
1088static int snd_es18xx_reg_read(struct snd_es18xx *chip, unsigned char reg)
1089{
1090	if (reg < 0xa0)
1091		return snd_es18xx_mixer_read(chip, reg);
1092	else
1093		return snd_es18xx_read(chip, reg);
1094}
1095
1096#define ES18XX_SINGLE(xname, xindex, reg, shift, mask, flags) \
1097{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1098  .info = snd_es18xx_info_single, \
1099  .get = snd_es18xx_get_single, .put = snd_es18xx_put_single, \
1100  .private_value = reg | (shift << 8) | (mask << 16) | (flags << 24) }
1101
1102#define ES18XX_FL_INVERT	(1 << 0)
1103#define ES18XX_FL_PMPORT	(1 << 1)
1104
1105static int snd_es18xx_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1106{
1107	int mask = (kcontrol->private_value >> 16) & 0xff;
1108
1109	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
1110	uinfo->count = 1;
1111	uinfo->value.integer.min = 0;
1112	uinfo->value.integer.max = mask;
1113	return 0;
1114}
1115
1116static int snd_es18xx_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1117{
1118	struct snd_es18xx *chip = snd_kcontrol_chip(kcontrol);
1119	int reg = kcontrol->private_value & 0xff;
1120	int shift = (kcontrol->private_value >> 8) & 0xff;
1121	int mask = (kcontrol->private_value >> 16) & 0xff;
1122	int invert = (kcontrol->private_value >> 24) & ES18XX_FL_INVERT;
1123	int pm_port = (kcontrol->private_value >> 24) & ES18XX_FL_PMPORT;
1124	int val;
1125
1126	if (pm_port)
1127		val = inb(chip->port + ES18XX_PM);
1128	else
1129		val = snd_es18xx_reg_read(chip, reg);
1130	ucontrol->value.integer.value[0] = (val >> shift) & mask;
1131	if (invert)
1132		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
1133	return 0;
1134}
1135
1136static int snd_es18xx_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1137{
1138	struct snd_es18xx *chip = snd_kcontrol_chip(kcontrol);
1139	int reg = kcontrol->private_value & 0xff;
1140	int shift = (kcontrol->private_value >> 8) & 0xff;
1141	int mask = (kcontrol->private_value >> 16) & 0xff;
1142	int invert = (kcontrol->private_value >> 24) & ES18XX_FL_INVERT;
1143	int pm_port = (kcontrol->private_value >> 24) & ES18XX_FL_PMPORT;
1144	unsigned char val;
1145	
1146	val = (ucontrol->value.integer.value[0] & mask);
1147	if (invert)
1148		val = mask - val;
1149	mask <<= shift;
1150	val <<= shift;
1151	if (pm_port) {
1152		unsigned char cur = inb(chip->port + ES18XX_PM);
1153
1154		if ((cur & mask) == val)
1155			return 0;
1156		outb((cur & ~mask) | val, chip->port + ES18XX_PM);
1157		return 1;
1158	}
1159
1160	return snd_es18xx_reg_bits(chip, reg, mask, val) != val;
1161}
1162
1163#define ES18XX_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \
1164{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1165  .info = snd_es18xx_info_double, \
1166  .get = snd_es18xx_get_double, .put = snd_es18xx_put_double, \
1167  .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) }
1168
1169static int snd_es18xx_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1170{
1171	int mask = (kcontrol->private_value >> 24) & 0xff;
1172
1173	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
1174	uinfo->count = 2;
1175	uinfo->value.integer.min = 0;
1176	uinfo->value.integer.max = mask;
1177	return 0;
1178}
1179
1180static int snd_es18xx_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1181{
1182	struct snd_es18xx *chip = snd_kcontrol_chip(kcontrol);
1183	int left_reg = kcontrol->private_value & 0xff;
1184	int right_reg = (kcontrol->private_value >> 8) & 0xff;
1185	int shift_left = (kcontrol->private_value >> 16) & 0x07;
1186	int shift_right = (kcontrol->private_value >> 19) & 0x07;
1187	int mask = (kcontrol->private_value >> 24) & 0xff;
1188	int invert = (kcontrol->private_value >> 22) & 1;
1189	unsigned char left, right;
1190	
1191	left = snd_es18xx_reg_read(chip, left_reg);
1192	if (left_reg != right_reg)
1193		right = snd_es18xx_reg_read(chip, right_reg);
1194	else
1195		right = left;
1196	ucontrol->value.integer.value[0] = (left >> shift_left) & mask;
1197	ucontrol->value.integer.value[1] = (right >> shift_right) & mask;
1198	if (invert) {
1199		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
1200		ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
1201	}
1202	return 0;
1203}
1204
1205static int snd_es18xx_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1206{
1207	struct snd_es18xx *chip = snd_kcontrol_chip(kcontrol);
1208	int left_reg = kcontrol->private_value & 0xff;
1209	int right_reg = (kcontrol->private_value >> 8) & 0xff;
1210	int shift_left = (kcontrol->private_value >> 16) & 0x07;
1211	int shift_right = (kcontrol->private_value >> 19) & 0x07;
1212	int mask = (kcontrol->private_value >> 24) & 0xff;
1213	int invert = (kcontrol->private_value >> 22) & 1;
1214	int change;
1215	unsigned char val1, val2, mask1, mask2;
1216	
1217	val1 = ucontrol->value.integer.value[0] & mask;
1218	val2 = ucontrol->value.integer.value[1] & mask;
1219	if (invert) {
1220		val1 = mask - val1;
1221		val2 = mask - val2;
1222	}
1223	val1 <<= shift_left;
1224	val2 <<= shift_right;
1225	mask1 = mask << shift_left;
1226	mask2 = mask << shift_right;
1227	if (left_reg != right_reg) {
1228		change = 0;
1229		if (snd_es18xx_reg_bits(chip, left_reg, mask1, val1) != val1)
1230			change = 1;
1231		if (snd_es18xx_reg_bits(chip, right_reg, mask2, val2) != val2)
1232			change = 1;
1233	} else {
1234		change = (snd_es18xx_reg_bits(chip, left_reg, mask1 | mask2, 
1235					      val1 | val2) != (val1 | val2));
1236	}
1237	return change;
1238}
1239
1240/* Mixer controls
1241 * These arrays contain setup data for mixer controls.
1242 * 
1243 * The controls that are universal to all chipsets are fully initialized
1244 * here.
1245 */
1246static const struct snd_kcontrol_new snd_es18xx_base_controls[] = {
1247ES18XX_DOUBLE("Master Playback Volume", 0, 0x60, 0x62, 0, 0, 63, 0),
1248ES18XX_DOUBLE("Master Playback Switch", 0, 0x60, 0x62, 6, 6, 1, 1),
1249ES18XX_DOUBLE("Line Playback Volume", 0, 0x3e, 0x3e, 4, 0, 15, 0),
1250ES18XX_DOUBLE("CD Playback Volume", 0, 0x38, 0x38, 4, 0, 15, 0),
1251ES18XX_DOUBLE("FM Playback Volume", 0, 0x36, 0x36, 4, 0, 15, 0),
1252ES18XX_DOUBLE("Mic Playback Volume", 0, 0x1a, 0x1a, 4, 0, 15, 0),
1253ES18XX_DOUBLE("Aux Playback Volume", 0, 0x3a, 0x3a, 4, 0, 15, 0),
1254ES18XX_SINGLE("Record Monitor", 0, 0xa8, 3, 1, 0),
1255ES18XX_DOUBLE("Capture Volume", 0, 0xb4, 0xb4, 4, 0, 15, 0),
1256{
1257	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1258	.name = "Capture Source",
1259	.info = snd_es18xx_info_mux,
1260	.get = snd_es18xx_get_mux,
1261	.put = snd_es18xx_put_mux,
1262}
1263};
1264
1265static const struct snd_kcontrol_new snd_es18xx_recmix_controls[] = {
1266ES18XX_DOUBLE("PCM Capture Volume", 0, 0x69, 0x69, 4, 0, 15, 0),
1267ES18XX_DOUBLE("Mic Capture Volume", 0, 0x68, 0x68, 4, 0, 15, 0),
1268ES18XX_DOUBLE("Line Capture Volume", 0, 0x6e, 0x6e, 4, 0, 15, 0),
1269ES18XX_DOUBLE("FM Capture Volume", 0, 0x6b, 0x6b, 4, 0, 15, 0),
1270ES18XX_DOUBLE("CD Capture Volume", 0, 0x6a, 0x6a, 4, 0, 15, 0),
1271ES18XX_DOUBLE("Aux Capture Volume", 0, 0x6c, 0x6c, 4, 0, 15, 0)
1272};
1273
1274/*
1275 * The chipset specific mixer controls
1276 */
1277static const struct snd_kcontrol_new snd_es18xx_opt_speaker =
1278	ES18XX_SINGLE("Beep Playback Volume", 0, 0x3c, 0, 7, 0);
1279
1280static const struct snd_kcontrol_new snd_es18xx_opt_1869[] = {
1281ES18XX_SINGLE("Capture Switch", 0, 0x1c, 4, 1, ES18XX_FL_INVERT),
1282ES18XX_SINGLE("Video Playback Switch", 0, 0x7f, 0, 1, 0),
1283ES18XX_DOUBLE("Mono Playback Volume", 0, 0x6d, 0x6d, 4, 0, 15, 0),
1284ES18XX_DOUBLE("Mono Capture Volume", 0, 0x6f, 0x6f, 4, 0, 15, 0)
1285};
1286
1287static const struct snd_kcontrol_new snd_es18xx_opt_1878 =
1288	ES18XX_DOUBLE("Video Playback Volume", 0, 0x68, 0x68, 4, 0, 15, 0);
1289
1290static const struct snd_kcontrol_new snd_es18xx_opt_1879[] = {
1291ES18XX_SINGLE("Video Playback Switch", 0, 0x71, 6, 1, 0),
1292ES18XX_DOUBLE("Video Playback Volume", 0, 0x6d, 0x6d, 4, 0, 15, 0),
1293ES18XX_DOUBLE("Video Capture Volume", 0, 0x6f, 0x6f, 4, 0, 15, 0)
1294};
1295
1296static const struct snd_kcontrol_new snd_es18xx_pcm1_controls[] = {
1297ES18XX_DOUBLE("PCM Playback Volume", 0, 0x14, 0x14, 4, 0, 15, 0),
1298};
1299
1300static const struct snd_kcontrol_new snd_es18xx_pcm2_controls[] = {
1301ES18XX_DOUBLE("PCM Playback Volume", 0, 0x7c, 0x7c, 4, 0, 15, 0),
1302ES18XX_DOUBLE("PCM Playback Volume", 1, 0x14, 0x14, 4, 0, 15, 0)
1303};
1304
1305static const struct snd_kcontrol_new snd_es18xx_spatializer_controls[] = {
1306ES18XX_SINGLE("3D Control - Level", 0, 0x52, 0, 63, 0),
1307{
1308	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1309	.name = "3D Control - Switch",
1310	.info = snd_es18xx_info_spatializer_enable,
1311	.get = snd_es18xx_get_spatializer_enable,
1312	.put = snd_es18xx_put_spatializer_enable,
1313}
1314};
1315
1316static const struct snd_kcontrol_new snd_es18xx_micpre1_control =
1317ES18XX_SINGLE("Mic Boost (+26dB)", 0, 0xa9, 2, 1, 0);
1318
1319static const struct snd_kcontrol_new snd_es18xx_micpre2_control =
1320ES18XX_SINGLE("Mic Boost (+26dB)", 0, 0x7d, 3, 1, 0);
1321
1322static const struct snd_kcontrol_new snd_es18xx_hw_volume_controls[] = {
1323{
1324	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1325	.name = "Hardware Master Playback Volume",
1326	.access = SNDRV_CTL_ELEM_ACCESS_READ,
1327	.info = snd_es18xx_info_hw_volume,
1328	.get = snd_es18xx_get_hw_volume,
1329},
1330{
1331	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1332	.name = "Hardware Master Playback Switch",
1333	.access = SNDRV_CTL_ELEM_ACCESS_READ,
1334	.info = snd_es18xx_info_hw_switch,
1335	.get = snd_es18xx_get_hw_switch,
1336},
1337ES18XX_SINGLE("Hardware Master Volume Split", 0, 0x64, 7, 1, 0),
1338};
1339
1340static const struct snd_kcontrol_new snd_es18xx_opt_gpo_2bit[] = {
1341ES18XX_SINGLE("GPO0 Switch", 0, ES18XX_PM, 0, 1, ES18XX_FL_PMPORT),
1342ES18XX_SINGLE("GPO1 Switch", 0, ES18XX_PM, 1, 1, ES18XX_FL_PMPORT),
1343};
1344
1345static int snd_es18xx_config_read(struct snd_es18xx *chip, unsigned char reg)
1346{
1347	outb(reg, chip->ctrl_port);
1348	return inb(chip->ctrl_port + 1);
1349}
1350
1351static void snd_es18xx_config_write(struct snd_es18xx *chip,
1352				    unsigned char reg, unsigned char data)
1353{
1354	/* No need for spinlocks, this function is used only in
1355	   otherwise protected init code */
1356	outb(reg, chip->ctrl_port);
1357	outb(data, chip->ctrl_port + 1);
1358#ifdef REG_DEBUG
1359	snd_printk(KERN_DEBUG "Config reg %02x set to %02x\n", reg, data);
1360#endif
1361}
1362
1363static int snd_es18xx_initialize(struct snd_es18xx *chip,
1364				 unsigned long mpu_port,
1365				 unsigned long fm_port)
1366{
1367	int mask = 0;
1368
1369        /* enable extended mode */
1370        snd_es18xx_dsp_command(chip, 0xC6);
1371	/* Reset mixer registers */
1372	snd_es18xx_mixer_write(chip, 0x00, 0x00);
1373
1374        /* Audio 1 DMA demand mode (4 bytes/request) */
1375        snd_es18xx_write(chip, 0xB9, 2);
1376	if (chip->caps & ES18XX_CONTROL) {
1377		/* Hardware volume IRQ */
1378		snd_es18xx_config_write(chip, 0x27, chip->irq);
1379		if (fm_port > 0 && fm_port != SNDRV_AUTO_PORT) {
1380			/* FM I/O */
1381			snd_es18xx_config_write(chip, 0x62, fm_port >> 8);
1382			snd_es18xx_config_write(chip, 0x63, fm_port & 0xff);
1383		}
1384		if (mpu_port > 0 && mpu_port != SNDRV_AUTO_PORT) {
1385			/* MPU-401 I/O */
1386			snd_es18xx_config_write(chip, 0x64, mpu_port >> 8);
1387			snd_es18xx_config_write(chip, 0x65, mpu_port & 0xff);
1388			/* MPU-401 IRQ */
1389			snd_es18xx_config_write(chip, 0x28, chip->irq);
1390		}
1391		/* Audio1 IRQ */
1392		snd_es18xx_config_write(chip, 0x70, chip->irq);
1393		/* Audio2 IRQ */
1394		snd_es18xx_config_write(chip, 0x72, chip->irq);
1395		/* Audio1 DMA */
1396		snd_es18xx_config_write(chip, 0x74, chip->dma1);
1397		/* Audio2 DMA */
1398		snd_es18xx_config_write(chip, 0x75, chip->dma2);
1399
1400		/* Enable Audio 1 IRQ */
1401		snd_es18xx_write(chip, 0xB1, 0x50);
1402		/* Enable Audio 2 IRQ */
1403		snd_es18xx_mixer_write(chip, 0x7A, 0x40);
1404		/* Enable Audio 1 DMA */
1405		snd_es18xx_write(chip, 0xB2, 0x50);
1406		/* Enable MPU and hardware volume interrupt */
1407		snd_es18xx_mixer_write(chip, 0x64, 0x42);
1408		/* Enable ESS wavetable input */
1409		snd_es18xx_mixer_bits(chip, 0x48, 0x10, 0x10);
1410	}
1411	else {
1412		int irqmask, dma1mask, dma2mask;
1413		switch (chip->irq) {
1414		case 2:
1415		case 9:
1416			irqmask = 0;
1417			break;
1418		case 5:
1419			irqmask = 1;
1420			break;
1421		case 7:
1422			irqmask = 2;
1423			break;
1424		case 10:
1425			irqmask = 3;
1426			break;
1427		default:
1428			snd_printk(KERN_ERR "invalid irq %d\n", chip->irq);
1429			return -ENODEV;
1430		}
1431		switch (chip->dma1) {
1432		case 0:
1433			dma1mask = 1;
1434			break;
1435		case 1:
1436			dma1mask = 2;
1437			break;
1438		case 3:
1439			dma1mask = 3;
1440			break;
1441		default:
1442			snd_printk(KERN_ERR "invalid dma1 %d\n", chip->dma1);
1443			return -ENODEV;
1444		}
1445		switch (chip->dma2) {
1446		case 0:
1447			dma2mask = 0;
1448			break;
1449		case 1:
1450			dma2mask = 1;
1451			break;
1452		case 3:
1453			dma2mask = 2;
1454			break;
1455		case 5:
1456			dma2mask = 3;
1457			break;
1458		default:
1459			snd_printk(KERN_ERR "invalid dma2 %d\n", chip->dma2);
1460			return -ENODEV;
1461		}
1462
1463		/* Enable and set Audio 1 IRQ */
1464		snd_es18xx_write(chip, 0xB1, 0x50 | (irqmask << 2));
1465		/* Enable and set Audio 1 DMA */
1466		snd_es18xx_write(chip, 0xB2, 0x50 | (dma1mask << 2));
1467		/* Set Audio 2 DMA */
1468		snd_es18xx_mixer_bits(chip, 0x7d, 0x07, 0x04 | dma2mask);
1469		/* Enable Audio 2 IRQ and DMA
1470		   Set capture mixer input */
1471		snd_es18xx_mixer_write(chip, 0x7A, 0x68);
1472		/* Enable and set hardware volume interrupt */
1473		snd_es18xx_mixer_write(chip, 0x64, 0x06);
1474		if (mpu_port > 0 && mpu_port != SNDRV_AUTO_PORT) {
1475			/* MPU401 share irq with audio
1476			   Joystick enabled
1477			   FM enabled */
1478			snd_es18xx_mixer_write(chip, 0x40,
1479					       0x43 | (mpu_port & 0xf0) >> 1);
1480		}
1481		snd_es18xx_mixer_write(chip, 0x7f, ((irqmask + 1) << 1) | 0x01);
1482	}
1483	if (chip->caps & ES18XX_NEW_RATE) {
1484		/* Change behaviour of register A1
1485		   4x oversampling
1486		   2nd channel DAC asynchronous */
1487		snd_es18xx_mixer_write(chip, 0x71, 0x32);
1488	}
1489	if (!(chip->caps & ES18XX_PCM2)) {
1490		/* Enable DMA FIFO */
1491		snd_es18xx_write(chip, 0xB7, 0x80);
1492	}
1493	if (chip->caps & ES18XX_SPATIALIZER) {
1494		/* Set spatializer parameters to recommended values */
1495		snd_es18xx_mixer_write(chip, 0x54, 0x8f);
1496		snd_es18xx_mixer_write(chip, 0x56, 0x95);
1497		snd_es18xx_mixer_write(chip, 0x58, 0x94);
1498		snd_es18xx_mixer_write(chip, 0x5a, 0x80);
1499	}
1500	/* Flip the "enable I2S" bits for those chipsets that need it */
1501	switch (chip->version) {
1502	case 0x1879:
1503		//Leaving I2S enabled on the 1879 screws up the PCM playback (rate effected somehow)
1504		//so a Switch control has been added to toggle this 0x71 bit on/off:
1505		//snd_es18xx_mixer_bits(chip, 0x71, 0x40, 0x40);
1506		/* Note: we fall through on purpose here. */
1507	case 0x1878:
1508		snd_es18xx_config_write(chip, 0x29, snd_es18xx_config_read(chip, 0x29) | 0x40);
1509		break;
1510	}
1511	/* Mute input source */
1512	if (chip->caps & ES18XX_MUTEREC)
1513		mask = 0x10;
1514	if (chip->caps & ES18XX_RECMIX)
1515		snd_es18xx_mixer_write(chip, 0x1c, 0x05 | mask);
1516	else {
1517		snd_es18xx_mixer_write(chip, 0x1c, 0x00 | mask);
1518		snd_es18xx_write(chip, 0xb4, 0x00);
1519	}
1520#ifndef AVOID_POPS
1521	/* Enable PCM output */
1522	snd_es18xx_dsp_command(chip, 0xD1);
1523#endif
1524
1525        return 0;
1526}
1527
1528static int snd_es18xx_identify(struct snd_card *card, struct snd_es18xx *chip)
1529{
1530	int hi,lo;
1531
1532	/* reset */
1533	if (snd_es18xx_reset(chip) < 0) {
1534		snd_printk(KERN_ERR "reset at 0x%lx failed!!!\n", chip->port);
1535		return -ENODEV;
1536	}
1537
1538	snd_es18xx_dsp_command(chip, 0xe7);
1539	hi = snd_es18xx_dsp_get_byte(chip);
1540	if (hi < 0) {
1541		return hi;
1542	}
1543	lo = snd_es18xx_dsp_get_byte(chip);
1544	if ((lo & 0xf0) != 0x80) {
1545		return -ENODEV;
1546	}
1547	if (hi == 0x48) {
1548		chip->version = 0x488;
1549		return 0;
1550	}
1551	if (hi != 0x68) {
1552		return -ENODEV;
1553	}
1554	if ((lo & 0x0f) < 8) {
1555		chip->version = 0x688;
1556		return 0;
1557	}
1558			
1559        outb(0x40, chip->port + 0x04);
1560	udelay(10);
1561	hi = inb(chip->port + 0x05);
1562	udelay(10);
1563	lo = inb(chip->port + 0x05);
1564	if (hi != lo) {
1565		chip->version = hi << 8 | lo;
1566		chip->ctrl_port = inb(chip->port + 0x05) << 8;
1567		udelay(10);
1568		chip->ctrl_port += inb(chip->port + 0x05);
1569
1570		if (!devm_request_region(card->dev, chip->ctrl_port, 8,
1571					 "ES18xx - CTRL")) {
1572			snd_printk(KERN_ERR PFX "unable go grab port 0x%lx\n", chip->ctrl_port);
1573			return -EBUSY;
1574		}
1575
1576		return 0;
1577	}
1578
1579	/* If has Hardware volume */
1580	if (snd_es18xx_mixer_writable(chip, 0x64, 0x04)) {
1581		/* If has Audio2 */
1582		if (snd_es18xx_mixer_writable(chip, 0x70, 0x7f)) {
1583			/* If has volume count */
1584			if (snd_es18xx_mixer_writable(chip, 0x64, 0x20)) {
1585				chip->version = 0x1887;
1586			} else {
1587				chip->version = 0x1888;
1588			}
1589		} else {
1590			chip->version = 0x1788;
1591		}
1592	}
1593	else
1594		chip->version = 0x1688;
1595	return 0;
1596}
1597
1598static int snd_es18xx_probe(struct snd_card *card,
1599			    struct snd_es18xx *chip,
1600			    unsigned long mpu_port,
1601			    unsigned long fm_port)
1602{
1603	if (snd_es18xx_identify(card, chip) < 0) {
1604		snd_printk(KERN_ERR PFX "[0x%lx] ESS chip not found\n", chip->port);
1605                return -ENODEV;
1606	}
1607
1608	switch (chip->version) {
1609	case 0x1868:
1610		chip->caps = ES18XX_DUPLEX_MONO | ES18XX_DUPLEX_SAME | ES18XX_CONTROL | ES18XX_GPO_2BIT;
1611		break;
1612	case 0x1869:
1613		chip->caps = ES18XX_PCM2 | ES18XX_SPATIALIZER | ES18XX_RECMIX | ES18XX_NEW_RATE | ES18XX_AUXB | ES18XX_MONO | ES18XX_MUTEREC | ES18XX_CONTROL | ES18XX_HWV | ES18XX_GPO_2BIT;
1614		break;
1615	case 0x1878:
1616		chip->caps = ES18XX_DUPLEX_MONO | ES18XX_DUPLEX_SAME | ES18XX_I2S | ES18XX_CONTROL;
1617		break;
1618	case 0x1879:
1619		chip->caps = ES18XX_PCM2 | ES18XX_SPATIALIZER | ES18XX_RECMIX | ES18XX_NEW_RATE | ES18XX_AUXB | ES18XX_I2S | ES18XX_CONTROL | ES18XX_HWV;
1620		break;
1621	case 0x1887:
1622	case 0x1888:
1623		chip->caps = ES18XX_PCM2 | ES18XX_RECMIX | ES18XX_AUXB | ES18XX_DUPLEX_SAME | ES18XX_GPO_2BIT;
1624		break;
1625	default:
1626		snd_printk(KERN_ERR "[0x%lx] unsupported chip ES%x\n",
1627                           chip->port, chip->version);
1628                return -ENODEV;
1629        }
1630
1631        snd_printd("[0x%lx] ESS%x chip found\n", chip->port, chip->version);
1632
1633	if (chip->dma1 == chip->dma2)
1634		chip->caps &= ~(ES18XX_PCM2 | ES18XX_DUPLEX_SAME);
1635
1636	return snd_es18xx_initialize(chip, mpu_port, fm_port);
1637}
1638
1639static const struct snd_pcm_ops snd_es18xx_playback_ops = {
1640	.open =		snd_es18xx_playback_open,
1641	.close =	snd_es18xx_playback_close,
1642	.hw_params =	snd_es18xx_playback_hw_params,
1643	.prepare =	snd_es18xx_playback_prepare,
1644	.trigger =	snd_es18xx_playback_trigger,
1645	.pointer =	snd_es18xx_playback_pointer,
1646};
1647
1648static const struct snd_pcm_ops snd_es18xx_capture_ops = {
1649	.open =		snd_es18xx_capture_open,
1650	.close =	snd_es18xx_capture_close,
1651	.hw_params =	snd_es18xx_capture_hw_params,
1652	.prepare =	snd_es18xx_capture_prepare,
1653	.trigger =	snd_es18xx_capture_trigger,
1654	.pointer =	snd_es18xx_capture_pointer,
1655};
1656
1657static int snd_es18xx_pcm(struct snd_card *card, int device)
1658{
1659	struct snd_es18xx *chip = card->private_data;
1660        struct snd_pcm *pcm;
1661	char str[16];
1662	int err;
1663
1664	sprintf(str, "ES%x", chip->version);
1665	if (chip->caps & ES18XX_PCM2)
1666		err = snd_pcm_new(card, str, device, 2, 1, &pcm);
1667	else
1668		err = snd_pcm_new(card, str, device, 1, 1, &pcm);
1669        if (err < 0)
1670                return err;
1671
1672	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_es18xx_playback_ops);
1673	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_es18xx_capture_ops);
1674
1675	/* global setup */
1676        pcm->private_data = chip;
1677        pcm->info_flags = 0;
1678	if (chip->caps & ES18XX_DUPLEX_SAME)
1679		pcm->info_flags |= SNDRV_PCM_INFO_JOINT_DUPLEX;
1680	if (! (chip->caps & ES18XX_PCM2))
1681		pcm->info_flags |= SNDRV_PCM_INFO_HALF_DUPLEX;
1682	sprintf(pcm->name, "ESS AudioDrive ES%x", chip->version);
1683        chip->pcm = pcm;
1684
1685	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, card->dev,
1686				       64*1024,
1687				       chip->dma1 > 3 || chip->dma2 > 3 ? 128*1024 : 64*1024);
1688	return 0;
1689}
1690
1691/* Power Management support functions */
1692#ifdef CONFIG_PM
1693static int snd_es18xx_suspend(struct snd_card *card, pm_message_t state)
1694{
1695	struct snd_es18xx *chip = card->private_data;
1696
1697	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1698
1699	/* power down */
1700	chip->pm_reg = (unsigned char)snd_es18xx_read(chip, ES18XX_PM);
1701	chip->pm_reg |= (ES18XX_PM_FM | ES18XX_PM_SUS);
1702	snd_es18xx_write(chip, ES18XX_PM, chip->pm_reg);
1703	snd_es18xx_write(chip, ES18XX_PM, chip->pm_reg ^= ES18XX_PM_SUS);
1704
1705	return 0;
1706}
1707
1708static int snd_es18xx_resume(struct snd_card *card)
1709{
1710	struct snd_es18xx *chip = card->private_data;
1711
1712	/* restore PM register, we won't wake till (not 0x07) i/o activity though */
1713	snd_es18xx_write(chip, ES18XX_PM, chip->pm_reg ^= ES18XX_PM_FM);
1714
1715	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1716	return 0;
1717}
1718#endif /* CONFIG_PM */
1719
1720static int snd_es18xx_new_device(struct snd_card *card,
1721				 unsigned long port,
1722				 unsigned long mpu_port,
1723				 unsigned long fm_port,
1724				 int irq, int dma1, int dma2)
1725{
1726	struct snd_es18xx *chip = card->private_data;
1727
 
1728	spin_lock_init(&chip->reg_lock);
1729 	spin_lock_init(&chip->mixer_lock);
1730        chip->port = port;
1731        chip->irq = -1;
1732        chip->dma1 = -1;
1733        chip->dma2 = -1;
1734        chip->audio2_vol = 0x00;
1735	chip->active = 0;
1736
1737	if (!devm_request_region(card->dev, port, 16, "ES18xx")) {
1738		snd_printk(KERN_ERR PFX "unable to grap ports 0x%lx-0x%lx\n", port, port + 16 - 1);
1739		return -EBUSY;
1740	}
1741
1742	if (devm_request_irq(card->dev, irq, snd_es18xx_interrupt, 0, "ES18xx",
1743			     (void *) card)) {
1744		snd_printk(KERN_ERR PFX "unable to grap IRQ %d\n", irq);
1745		return -EBUSY;
1746	}
1747	chip->irq = irq;
1748	card->sync_irq = chip->irq;
1749
1750	if (snd_devm_request_dma(card->dev, dma1, "ES18xx DMA 1")) {
1751		snd_printk(KERN_ERR PFX "unable to grap DMA1 %d\n", dma1);
1752		return -EBUSY;
1753	}
1754	chip->dma1 = dma1;
1755
1756	if (dma2 != dma1 &&
1757	    snd_devm_request_dma(card->dev, dma2, "ES18xx DMA 2")) {
1758		snd_printk(KERN_ERR PFX "unable to grap DMA2 %d\n", dma2);
1759		return -EBUSY;
1760	}
1761	chip->dma2 = dma2;
1762
1763	if (snd_es18xx_probe(card, chip, mpu_port, fm_port) < 0)
1764		return -ENODEV;
1765        return 0;
1766}
1767
1768static int snd_es18xx_mixer(struct snd_card *card)
1769{
1770	struct snd_es18xx *chip = card->private_data;
1771	int err;
1772	unsigned int idx;
1773
1774	strcpy(card->mixername, chip->pcm->name);
1775
1776	for (idx = 0; idx < ARRAY_SIZE(snd_es18xx_base_controls); idx++) {
1777		struct snd_kcontrol *kctl;
1778		kctl = snd_ctl_new1(&snd_es18xx_base_controls[idx], chip);
1779		if (chip->caps & ES18XX_HWV) {
1780			switch (idx) {
1781			case 0:
1782				chip->master_volume = kctl;
1783				kctl->private_free = snd_es18xx_hwv_free;
1784				break;
1785			case 1:
1786				chip->master_switch = kctl;
1787				kctl->private_free = snd_es18xx_hwv_free;
1788				break;
1789			}
1790		}
1791		err = snd_ctl_add(card, kctl);
1792		if (err < 0)
1793			return err;
1794	}
1795	if (chip->caps & ES18XX_PCM2) {
1796		for (idx = 0; idx < ARRAY_SIZE(snd_es18xx_pcm2_controls); idx++) {
1797			err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_pcm2_controls[idx], chip));
1798			if (err < 0)
1799				return err;
1800		} 
1801	} else {
1802		for (idx = 0; idx < ARRAY_SIZE(snd_es18xx_pcm1_controls); idx++) {
1803			err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_pcm1_controls[idx], chip));
1804			if (err < 0)
1805				return err;
1806		}
1807	}
1808
1809	if (chip->caps & ES18XX_RECMIX) {
1810		for (idx = 0; idx < ARRAY_SIZE(snd_es18xx_recmix_controls); idx++) {
1811			err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_recmix_controls[idx], chip));
1812			if (err < 0)
1813				return err;
1814		}
1815	}
1816	switch (chip->version) {
1817	default:
1818		err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_micpre1_control, chip));
1819		if (err < 0)
1820			return err;
1821		break;
1822	case 0x1869:
1823	case 0x1879:
1824		err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_micpre2_control, chip));
1825		if (err < 0)
1826			return err;
1827		break;
1828	}
1829	if (chip->caps & ES18XX_SPATIALIZER) {
1830		for (idx = 0; idx < ARRAY_SIZE(snd_es18xx_spatializer_controls); idx++) {
1831			err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_spatializer_controls[idx], chip));
1832			if (err < 0)
1833				return err;
1834		}
1835	}
1836	if (chip->caps & ES18XX_HWV) {
1837		for (idx = 0; idx < ARRAY_SIZE(snd_es18xx_hw_volume_controls); idx++) {
1838			struct snd_kcontrol *kctl;
1839			kctl = snd_ctl_new1(&snd_es18xx_hw_volume_controls[idx], chip);
1840			if (idx == 0)
1841				chip->hw_volume = kctl;
1842			else
1843				chip->hw_switch = kctl;
1844			kctl->private_free = snd_es18xx_hwv_free;
1845			err = snd_ctl_add(card, kctl);
1846			if (err < 0)
1847				return err;
1848			
1849		}
1850	}
1851	/* finish initializing other chipset specific controls
1852	 */
1853	if (chip->version != 0x1868) {
1854		err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_opt_speaker,
1855						     chip));
1856		if (err < 0)
1857			return err;
1858	}
1859	if (chip->version == 0x1869) {
1860		for (idx = 0; idx < ARRAY_SIZE(snd_es18xx_opt_1869); idx++) {
1861			err = snd_ctl_add(card,
1862					  snd_ctl_new1(&snd_es18xx_opt_1869[idx],
1863						       chip));
1864			if (err < 0)
1865				return err;
1866		}
1867	} else if (chip->version == 0x1878) {
1868		err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_opt_1878,
1869						     chip));
1870		if (err < 0)
1871			return err;
1872	} else if (chip->version == 0x1879) {
1873		for (idx = 0; idx < ARRAY_SIZE(snd_es18xx_opt_1879); idx++) {
1874			err = snd_ctl_add(card,
1875					  snd_ctl_new1(&snd_es18xx_opt_1879[idx],
1876						       chip));
1877			if (err < 0)
1878				return err;
1879		}
1880	}
1881	if (chip->caps & ES18XX_GPO_2BIT) {
1882		for (idx = 0; idx < ARRAY_SIZE(snd_es18xx_opt_gpo_2bit); idx++) {
1883			err = snd_ctl_add(card,
1884					  snd_ctl_new1(&snd_es18xx_opt_gpo_2bit[idx],
1885						       chip));
1886			if (err < 0)
1887				return err;
1888		}
1889	}
1890	return 0;
1891}
1892       
1893
1894/* Card level */
1895
1896MODULE_AUTHOR("Christian Fischbach <fishbach@pool.informatik.rwth-aachen.de>, Abramo Bagnara <abramo@alsa-project.org>");
1897MODULE_DESCRIPTION("ESS ES18xx AudioDrive");
1898MODULE_LICENSE("GPL");
1899
1900static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
1901static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
1902static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; /* Enable this card */
1903#ifdef CONFIG_PNP
1904static bool isapnp[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP;
1905#endif
1906static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* 0x220,0x240,0x260,0x280 */
1907#ifndef CONFIG_PNP
1908static long mpu_port[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
1909#else
1910static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
1911#endif
1912static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
1913static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 5,7,9,10 */
1914static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 0,1,3 */
1915static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 0,1,3 */
1916
1917module_param_array(index, int, NULL, 0444);
1918MODULE_PARM_DESC(index, "Index value for ES18xx soundcard.");
1919module_param_array(id, charp, NULL, 0444);
1920MODULE_PARM_DESC(id, "ID string for ES18xx soundcard.");
1921module_param_array(enable, bool, NULL, 0444);
1922MODULE_PARM_DESC(enable, "Enable ES18xx soundcard.");
1923#ifdef CONFIG_PNP
1924module_param_array(isapnp, bool, NULL, 0444);
1925MODULE_PARM_DESC(isapnp, "PnP detection for specified soundcard.");
1926#endif
1927module_param_hw_array(port, long, ioport, NULL, 0444);
1928MODULE_PARM_DESC(port, "Port # for ES18xx driver.");
1929module_param_hw_array(mpu_port, long, ioport, NULL, 0444);
1930MODULE_PARM_DESC(mpu_port, "MPU-401 port # for ES18xx driver.");
1931module_param_hw_array(fm_port, long, ioport, NULL, 0444);
1932MODULE_PARM_DESC(fm_port, "FM port # for ES18xx driver.");
1933module_param_hw_array(irq, int, irq, NULL, 0444);
1934MODULE_PARM_DESC(irq, "IRQ # for ES18xx driver.");
1935module_param_hw_array(dma1, int, dma, NULL, 0444);
1936MODULE_PARM_DESC(dma1, "DMA 1 # for ES18xx driver.");
1937module_param_hw_array(dma2, int, dma, NULL, 0444);
1938MODULE_PARM_DESC(dma2, "DMA 2 # for ES18xx driver.");
1939
1940#ifdef CONFIG_PNP
1941static int isa_registered;
1942static int pnp_registered;
1943static int pnpc_registered;
1944
1945static const struct pnp_device_id snd_audiodrive_pnpbiosids[] = {
1946	{ .id = "ESS1869" },
1947	{ .id = "ESS1879" },
1948	{ .id = "" }		/* end */
1949};
1950
1951MODULE_DEVICE_TABLE(pnp, snd_audiodrive_pnpbiosids);
1952
1953/* PnP main device initialization */
1954static int snd_audiodrive_pnp_init_main(int dev, struct pnp_dev *pdev)
1955{
1956	if (pnp_activate_dev(pdev) < 0) {
1957		snd_printk(KERN_ERR PFX "PnP configure failure (out of resources?)\n");
1958		return -EBUSY;
1959	}
1960	/* ok. hack using Vendor-Defined Card-Level registers */
1961	/* skip csn and logdev initialization - already done in isapnp_configure */
1962	if (pnp_device_is_isapnp(pdev)) {
1963		isapnp_cfg_begin(isapnp_card_number(pdev), isapnp_csn_number(pdev));
1964		isapnp_write_byte(0x27, pnp_irq(pdev, 0));	/* Hardware Volume IRQ Number */
1965		if (mpu_port[dev] != SNDRV_AUTO_PORT)
1966			isapnp_write_byte(0x28, pnp_irq(pdev, 0)); /* MPU-401 IRQ Number */
1967		isapnp_write_byte(0x72, pnp_irq(pdev, 0));	/* second IRQ */
1968		isapnp_cfg_end();
1969	}
1970	port[dev] = pnp_port_start(pdev, 0);
1971	fm_port[dev] = pnp_port_start(pdev, 1);
1972	mpu_port[dev] = pnp_port_start(pdev, 2);
1973	dma1[dev] = pnp_dma(pdev, 0);
1974	dma2[dev] = pnp_dma(pdev, 1);
1975	irq[dev] = pnp_irq(pdev, 0);
1976	snd_printdd("PnP ES18xx: port=0x%lx, fm port=0x%lx, mpu port=0x%lx\n", port[dev], fm_port[dev], mpu_port[dev]);
1977	snd_printdd("PnP ES18xx: dma1=%i, dma2=%i, irq=%i\n", dma1[dev], dma2[dev], irq[dev]);
 
 
 
 
1978	return 0;
1979}
1980
1981static int snd_audiodrive_pnp(int dev, struct snd_es18xx *chip,
1982			      struct pnp_dev *pdev)
1983{
1984	chip->dev = pdev;
1985	if (snd_audiodrive_pnp_init_main(dev, chip->dev) < 0)
1986		return -EBUSY;
1987	return 0;
1988}
1989
1990static const struct pnp_card_device_id snd_audiodrive_pnpids[] = {
1991	/* ESS 1868 (integrated on Compaq dual P-Pro motherboard and Genius 18PnP 3D) */
1992	{ .id = "ESS1868", .devs = { { "ESS1868" }, { "ESS0000" } } },
1993	/* ESS 1868 (integrated on Maxisound Cards) */
1994	{ .id = "ESS1868", .devs = { { "ESS8601" }, { "ESS8600" } } },
1995	/* ESS 1868 (integrated on Maxisound Cards) */
1996	{ .id = "ESS1868", .devs = { { "ESS8611" }, { "ESS8610" } } },
1997	/* ESS ES1869 Plug and Play AudioDrive */
1998	{ .id = "ESS0003", .devs = { { "ESS1869" }, { "ESS0006" } } },
1999	/* ESS 1869 */
2000	{ .id = "ESS1869", .devs = { { "ESS1869" }, { "ESS0006" } } },
2001	/* ESS 1878 */
2002	{ .id = "ESS1878", .devs = { { "ESS1878" }, { "ESS0004" } } },
2003	/* ESS 1879 */
2004	{ .id = "ESS1879", .devs = { { "ESS1879" }, { "ESS0009" } } },
2005	/* --- */
2006	{ .id = "" } /* end */
2007};
2008
2009MODULE_DEVICE_TABLE(pnp_card, snd_audiodrive_pnpids);
2010
2011static int snd_audiodrive_pnpc(int dev, struct snd_es18xx *chip,
2012			       struct pnp_card_link *card,
2013			       const struct pnp_card_device_id *id)
2014{
2015	chip->dev = pnp_request_card_device(card, id->devs[0].id, NULL);
2016	if (chip->dev == NULL)
2017		return -EBUSY;
2018
2019	chip->devc = pnp_request_card_device(card, id->devs[1].id, NULL);
2020	if (chip->devc == NULL)
2021		return -EBUSY;
2022
2023	/* Control port initialization */
2024	if (pnp_activate_dev(chip->devc) < 0) {
2025		snd_printk(KERN_ERR PFX "PnP control configure failure (out of resources?)\n");
 
2026		return -EAGAIN;
2027	}
2028	snd_printdd("pnp: port=0x%llx\n",
2029			(unsigned long long)pnp_port_start(chip->devc, 0));
2030	if (snd_audiodrive_pnp_init_main(dev, chip->dev) < 0)
2031		return -EBUSY;
2032
2033	return 0;
2034}
2035#endif /* CONFIG_PNP */
2036
2037#ifdef CONFIG_PNP
2038#define is_isapnp_selected(dev)		isapnp[dev]
2039#else
2040#define is_isapnp_selected(dev)		0
2041#endif
2042
2043static int snd_es18xx_card_new(struct device *pdev, int dev,
2044			       struct snd_card **cardp)
2045{
2046	return snd_devm_card_new(pdev, index[dev], id[dev], THIS_MODULE,
2047				 sizeof(struct snd_es18xx), cardp);
2048}
2049
2050static int snd_audiodrive_probe(struct snd_card *card, int dev)
2051{
2052	struct snd_es18xx *chip = card->private_data;
2053	struct snd_opl3 *opl3;
2054	int err;
2055
2056	err = snd_es18xx_new_device(card,
2057				    port[dev], mpu_port[dev], fm_port[dev],
2058				    irq[dev], dma1[dev], dma2[dev]);
2059	if (err < 0)
2060		return err;
2061
2062	sprintf(card->driver, "ES%x", chip->version);
2063	
2064	sprintf(card->shortname, "ESS AudioDrive ES%x", chip->version);
2065	if (dma1[dev] != dma2[dev])
2066		sprintf(card->longname, "%s at 0x%lx, irq %d, dma1 %d, dma2 %d",
2067			card->shortname,
2068			chip->port,
2069			irq[dev], dma1[dev], dma2[dev]);
2070	else
2071		sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d",
2072			card->shortname,
2073			chip->port,
2074			irq[dev], dma1[dev]);
2075
2076	err = snd_es18xx_pcm(card, 0);
2077	if (err < 0)
2078		return err;
2079
2080	err = snd_es18xx_mixer(card);
2081	if (err < 0)
2082		return err;
2083
2084	if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) {
2085		if (snd_opl3_create(card, fm_port[dev], fm_port[dev] + 2,
2086				    OPL3_HW_OPL3, 0, &opl3) < 0) {
2087			snd_printk(KERN_WARNING PFX
2088				   "opl3 not detected at 0x%lx\n",
2089				   fm_port[dev]);
2090		} else {
2091			err = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
2092			if (err < 0)
2093				return err;
2094		}
2095	}
2096
2097	if (mpu_port[dev] > 0 && mpu_port[dev] != SNDRV_AUTO_PORT) {
2098		err = snd_mpu401_uart_new(card, 0, MPU401_HW_ES18XX,
2099					  mpu_port[dev], MPU401_INFO_IRQ_HOOK,
2100					  -1, &chip->rmidi);
2101		if (err < 0)
2102			return err;
2103	}
2104
2105	return snd_card_register(card);
2106}
2107
2108static int snd_es18xx_isa_match(struct device *pdev, unsigned int dev)
2109{
2110	return enable[dev] && !is_isapnp_selected(dev);
2111}
2112
2113static int snd_es18xx_isa_probe1(int dev, struct device *devptr)
2114{
2115	struct snd_card *card;
2116	int err;
2117
2118	err = snd_es18xx_card_new(devptr, dev, &card);
2119	if (err < 0)
2120		return err;
2121	err = snd_audiodrive_probe(card, dev);
2122	if (err < 0)
2123		return err;
2124	dev_set_drvdata(devptr, card);
2125	return 0;
2126}
2127
2128static int snd_es18xx_isa_probe(struct device *pdev, unsigned int dev)
2129{
2130	int err;
2131	static const int possible_irqs[] = {5, 9, 10, 7, 11, 12, -1};
2132	static const int possible_dmas[] = {1, 0, 3, 5, -1};
2133
2134	if (irq[dev] == SNDRV_AUTO_IRQ) {
2135		irq[dev] = snd_legacy_find_free_irq(possible_irqs);
2136		if (irq[dev] < 0) {
2137			snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
2138			return -EBUSY;
2139		}
2140	}
2141	if (dma1[dev] == SNDRV_AUTO_DMA) {
2142		dma1[dev] = snd_legacy_find_free_dma(possible_dmas);
2143		if (dma1[dev] < 0) {
2144			snd_printk(KERN_ERR PFX "unable to find a free DMA1\n");
2145			return -EBUSY;
2146		}
2147	}
2148	if (dma2[dev] == SNDRV_AUTO_DMA) {
2149		dma2[dev] = snd_legacy_find_free_dma(possible_dmas);
2150		if (dma2[dev] < 0) {
2151			snd_printk(KERN_ERR PFX "unable to find a free DMA2\n");
2152			return -EBUSY;
2153		}
2154	}
2155
2156	if (port[dev] != SNDRV_AUTO_PORT) {
2157		return snd_es18xx_isa_probe1(dev, pdev);
2158	} else {
2159		static const unsigned long possible_ports[] = {0x220, 0x240, 0x260, 0x280};
2160		int i;
2161		for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
2162			port[dev] = possible_ports[i];
2163			err = snd_es18xx_isa_probe1(dev, pdev);
2164			if (! err)
2165				return 0;
2166		}
2167		return err;
2168	}
2169}
2170
2171#ifdef CONFIG_PM
2172static int snd_es18xx_isa_suspend(struct device *dev, unsigned int n,
2173				  pm_message_t state)
2174{
2175	return snd_es18xx_suspend(dev_get_drvdata(dev), state);
2176}
2177
2178static int snd_es18xx_isa_resume(struct device *dev, unsigned int n)
2179{
2180	return snd_es18xx_resume(dev_get_drvdata(dev));
2181}
2182#endif
2183
2184#define DEV_NAME "es18xx"
2185
2186static struct isa_driver snd_es18xx_isa_driver = {
2187	.match		= snd_es18xx_isa_match,
2188	.probe		= snd_es18xx_isa_probe,
2189#ifdef CONFIG_PM
2190	.suspend	= snd_es18xx_isa_suspend,
2191	.resume		= snd_es18xx_isa_resume,
2192#endif
2193	.driver		= {
2194		.name	= DEV_NAME
2195	},
2196};
2197
2198
2199#ifdef CONFIG_PNP
2200static int snd_audiodrive_pnp_detect(struct pnp_dev *pdev,
2201				     const struct pnp_device_id *id)
2202{
2203	static int dev;
2204	int err;
2205	struct snd_card *card;
2206
2207	if (pnp_device_is_isapnp(pdev))
2208		return -ENOENT;	/* we have another procedure - card */
2209	for (; dev < SNDRV_CARDS; dev++) {
2210		if (enable[dev] && isapnp[dev])
2211			break;
2212	}
2213	if (dev >= SNDRV_CARDS)
2214		return -ENODEV;
2215
2216	err = snd_es18xx_card_new(&pdev->dev, dev, &card);
2217	if (err < 0)
2218		return err;
2219	err = snd_audiodrive_pnp(dev, card->private_data, pdev);
2220	if (err < 0)
2221		return err;
2222	err = snd_audiodrive_probe(card, dev);
2223	if (err < 0)
2224		return err;
2225	pnp_set_drvdata(pdev, card);
2226	dev++;
2227	return 0;
2228}
2229
2230#ifdef CONFIG_PM
2231static int snd_audiodrive_pnp_suspend(struct pnp_dev *pdev, pm_message_t state)
2232{
2233	return snd_es18xx_suspend(pnp_get_drvdata(pdev), state);
2234}
2235static int snd_audiodrive_pnp_resume(struct pnp_dev *pdev)
2236{
2237	return snd_es18xx_resume(pnp_get_drvdata(pdev));
2238}
2239#endif
2240
2241static struct pnp_driver es18xx_pnp_driver = {
2242	.name = "es18xx-pnpbios",
2243	.id_table = snd_audiodrive_pnpbiosids,
2244	.probe = snd_audiodrive_pnp_detect,
2245#ifdef CONFIG_PM
2246	.suspend = snd_audiodrive_pnp_suspend,
2247	.resume = snd_audiodrive_pnp_resume,
2248#endif
2249};
2250
2251static int snd_audiodrive_pnpc_detect(struct pnp_card_link *pcard,
2252				      const struct pnp_card_device_id *pid)
2253{
2254	static int dev;
2255	struct snd_card *card;
2256	int res;
2257
2258	for ( ; dev < SNDRV_CARDS; dev++) {
2259		if (enable[dev] && isapnp[dev])
2260			break;
2261	}
2262	if (dev >= SNDRV_CARDS)
2263		return -ENODEV;
2264
2265	res = snd_es18xx_card_new(&pcard->card->dev, dev, &card);
2266	if (res < 0)
2267		return res;
2268
2269	res = snd_audiodrive_pnpc(dev, card->private_data, pcard, pid);
2270	if (res < 0)
2271		return res;
2272	res = snd_audiodrive_probe(card, dev);
2273	if (res < 0)
2274		return res;
2275
2276	pnp_set_card_drvdata(pcard, card);
2277	dev++;
2278	return 0;
2279}
2280
2281#ifdef CONFIG_PM
2282static int snd_audiodrive_pnpc_suspend(struct pnp_card_link *pcard, pm_message_t state)
2283{
2284	return snd_es18xx_suspend(pnp_get_card_drvdata(pcard), state);
2285}
2286
2287static int snd_audiodrive_pnpc_resume(struct pnp_card_link *pcard)
2288{
2289	return snd_es18xx_resume(pnp_get_card_drvdata(pcard));
2290}
2291
2292#endif
2293
2294static struct pnp_card_driver es18xx_pnpc_driver = {
2295	.flags = PNP_DRIVER_RES_DISABLE,
2296	.name = "es18xx",
2297	.id_table = snd_audiodrive_pnpids,
2298	.probe = snd_audiodrive_pnpc_detect,
2299#ifdef CONFIG_PM
2300	.suspend	= snd_audiodrive_pnpc_suspend,
2301	.resume		= snd_audiodrive_pnpc_resume,
2302#endif
2303};
2304#endif /* CONFIG_PNP */
2305
2306static int __init alsa_card_es18xx_init(void)
2307{
2308	int err;
2309
2310	err = isa_register_driver(&snd_es18xx_isa_driver, SNDRV_CARDS);
2311#ifdef CONFIG_PNP
2312	if (!err)
2313		isa_registered = 1;
2314
2315	err = pnp_register_driver(&es18xx_pnp_driver);
2316	if (!err)
2317		pnp_registered = 1;
2318
2319	err = pnp_register_card_driver(&es18xx_pnpc_driver);
2320	if (!err)
2321		pnpc_registered = 1;
2322
2323	if (isa_registered || pnp_registered)
2324		err = 0;
2325#endif
2326	return err;
2327}
2328
2329static void __exit alsa_card_es18xx_exit(void)
2330{
2331#ifdef CONFIG_PNP
2332	if (pnpc_registered)
2333		pnp_unregister_card_driver(&es18xx_pnpc_driver);
2334	if (pnp_registered)
2335		pnp_unregister_driver(&es18xx_pnp_driver);
2336	if (isa_registered)
2337#endif
2338		isa_unregister_driver(&snd_es18xx_isa_driver);
2339}
2340
2341module_init(alsa_card_es18xx_init)
2342module_exit(alsa_card_es18xx_exit)