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   1/*
   2 *  The driver for the ForteMedia FM801 based soundcards
   3 *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
   4 *
   5 *  Support FM only card by Andy Shevchenko <andy@smile.org.ua>
   6 *
   7 *   This program is free software; you can redistribute it and/or modify
   8 *   it under the terms of the GNU General Public License as published by
   9 *   the Free Software Foundation; either version 2 of the License, or
  10 *   (at your option) any later version.
  11 *
  12 *   This program is distributed in the hope that it will be useful,
  13 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 *   GNU General Public License for more details.
  16 *
  17 *   You should have received a copy of the GNU General Public License
  18 *   along with this program; if not, write to the Free Software
  19 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  20 *
  21 */
  22
  23#include <linux/delay.h>
  24#include <linux/init.h>
  25#include <linux/interrupt.h>
  26#include <linux/pci.h>
  27#include <linux/slab.h>
  28#include <linux/module.h>
  29#include <sound/core.h>
  30#include <sound/pcm.h>
  31#include <sound/tlv.h>
  32#include <sound/ac97_codec.h>
  33#include <sound/mpu401.h>
  34#include <sound/opl3.h>
  35#include <sound/initval.h>
  36
  37#include <asm/io.h>
  38
  39#ifdef CONFIG_SND_FM801_TEA575X_BOOL
  40#include <sound/tea575x-tuner.h>
  41#endif
  42
  43MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
  44MODULE_DESCRIPTION("ForteMedia FM801");
  45MODULE_LICENSE("GPL");
  46MODULE_SUPPORTED_DEVICE("{{ForteMedia,FM801},"
  47		"{Genius,SoundMaker Live 5.1}}");
  48
  49static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
  50static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
  51static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;	/* Enable this card */
  52/*
  53 *  Enable TEA575x tuner
  54 *    1 = MediaForte 256-PCS
  55 *    2 = MediaForte 256-PCP
  56 *    3 = MediaForte 64-PCR
  57 *   16 = setup tuner only (this is additional bit), i.e. SF64-PCR FM card
  58 *  High 16-bits are video (radio) device number + 1
  59 */
  60static int tea575x_tuner[SNDRV_CARDS];
  61static int radio_nr[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
  62
  63module_param_array(index, int, NULL, 0444);
  64MODULE_PARM_DESC(index, "Index value for the FM801 soundcard.");
  65module_param_array(id, charp, NULL, 0444);
  66MODULE_PARM_DESC(id, "ID string for the FM801 soundcard.");
  67module_param_array(enable, bool, NULL, 0444);
  68MODULE_PARM_DESC(enable, "Enable FM801 soundcard.");
  69module_param_array(tea575x_tuner, int, NULL, 0444);
  70MODULE_PARM_DESC(tea575x_tuner, "TEA575x tuner access method (0 = auto, 1 = SF256-PCS, 2=SF256-PCP, 3=SF64-PCR, 8=disable, +16=tuner-only).");
  71module_param_array(radio_nr, int, NULL, 0444);
  72MODULE_PARM_DESC(radio_nr, "Radio device numbers");
  73
  74
  75#define TUNER_DISABLED		(1<<3)
  76#define TUNER_ONLY		(1<<4)
  77#define TUNER_TYPE_MASK		(~TUNER_ONLY & 0xFFFF)
  78
  79/*
  80 *  Direct registers
  81 */
  82
  83#define FM801_REG(chip, reg)	(chip->port + FM801_##reg)
  84
  85#define FM801_PCM_VOL		0x00	/* PCM Output Volume */
  86#define FM801_FM_VOL		0x02	/* FM Output Volume */
  87#define FM801_I2S_VOL		0x04	/* I2S Volume */
  88#define FM801_REC_SRC		0x06	/* Record Source */
  89#define FM801_PLY_CTRL		0x08	/* Playback Control */
  90#define FM801_PLY_COUNT		0x0a	/* Playback Count */
  91#define FM801_PLY_BUF1		0x0c	/* Playback Bufer I */
  92#define FM801_PLY_BUF2		0x10	/* Playback Buffer II */
  93#define FM801_CAP_CTRL		0x14	/* Capture Control */
  94#define FM801_CAP_COUNT		0x16	/* Capture Count */
  95#define FM801_CAP_BUF1		0x18	/* Capture Buffer I */
  96#define FM801_CAP_BUF2		0x1c	/* Capture Buffer II */
  97#define FM801_CODEC_CTRL	0x22	/* Codec Control */
  98#define FM801_I2S_MODE		0x24	/* I2S Mode Control */
  99#define FM801_VOLUME		0x26	/* Volume Up/Down/Mute Status */
 100#define FM801_I2C_CTRL		0x29	/* I2C Control */
 101#define FM801_AC97_CMD		0x2a	/* AC'97 Command */
 102#define FM801_AC97_DATA		0x2c	/* AC'97 Data */
 103#define FM801_MPU401_DATA	0x30	/* MPU401 Data */
 104#define FM801_MPU401_CMD	0x31	/* MPU401 Command */
 105#define FM801_GPIO_CTRL		0x52	/* General Purpose I/O Control */
 106#define FM801_GEN_CTRL		0x54	/* General Control */
 107#define FM801_IRQ_MASK		0x56	/* Interrupt Mask */
 108#define FM801_IRQ_STATUS	0x5a	/* Interrupt Status */
 109#define FM801_OPL3_BANK0	0x68	/* OPL3 Status Read / Bank 0 Write */
 110#define FM801_OPL3_DATA0	0x69	/* OPL3 Data 0 Write */
 111#define FM801_OPL3_BANK1	0x6a	/* OPL3 Bank 1 Write */
 112#define FM801_OPL3_DATA1	0x6b	/* OPL3 Bank 1 Write */
 113#define FM801_POWERDOWN		0x70	/* Blocks Power Down Control */
 114
 115/* codec access */
 116#define FM801_AC97_READ		(1<<7)	/* read=1, write=0 */
 117#define FM801_AC97_VALID	(1<<8)	/* port valid=1 */
 118#define FM801_AC97_BUSY		(1<<9)	/* busy=1 */
 119#define FM801_AC97_ADDR_SHIFT	10	/* codec id (2bit) */
 120
 121/* playback and record control register bits */
 122#define FM801_BUF1_LAST		(1<<1)
 123#define FM801_BUF2_LAST		(1<<2)
 124#define FM801_START		(1<<5)
 125#define FM801_PAUSE		(1<<6)
 126#define FM801_IMMED_STOP	(1<<7)
 127#define FM801_RATE_SHIFT	8
 128#define FM801_RATE_MASK		(15 << FM801_RATE_SHIFT)
 129#define FM801_CHANNELS_4	(1<<12)	/* playback only */
 130#define FM801_CHANNELS_6	(2<<12)	/* playback only */
 131#define FM801_CHANNELS_6MS	(3<<12)	/* playback only */
 132#define FM801_CHANNELS_MASK	(3<<12)
 133#define FM801_16BIT		(1<<14)
 134#define FM801_STEREO		(1<<15)
 135
 136/* IRQ status bits */
 137#define FM801_IRQ_PLAYBACK	(1<<8)
 138#define FM801_IRQ_CAPTURE	(1<<9)
 139#define FM801_IRQ_VOLUME	(1<<14)
 140#define FM801_IRQ_MPU		(1<<15)
 141
 142/* GPIO control register */
 143#define FM801_GPIO_GP0		(1<<0)	/* read/write */
 144#define FM801_GPIO_GP1		(1<<1)
 145#define FM801_GPIO_GP2		(1<<2)
 146#define FM801_GPIO_GP3		(1<<3)
 147#define FM801_GPIO_GP(x)	(1<<(0+(x)))
 148#define FM801_GPIO_GD0		(1<<8)	/* directions: 1 = input, 0 = output*/
 149#define FM801_GPIO_GD1		(1<<9)
 150#define FM801_GPIO_GD2		(1<<10)
 151#define FM801_GPIO_GD3		(1<<11)
 152#define FM801_GPIO_GD(x)	(1<<(8+(x)))
 153#define FM801_GPIO_GS0		(1<<12)	/* function select: */
 154#define FM801_GPIO_GS1		(1<<13)	/*    1 = GPIO */
 155#define FM801_GPIO_GS2		(1<<14)	/*    0 = other (S/PDIF, VOL) */
 156#define FM801_GPIO_GS3		(1<<15)
 157#define FM801_GPIO_GS(x)	(1<<(12+(x)))
 158	
 159/*
 160
 161 */
 162
 163struct fm801 {
 164	int irq;
 165
 166	unsigned long port;	/* I/O port number */
 167	unsigned int multichannel: 1,	/* multichannel support */
 168		     secondary: 1;	/* secondary codec */
 169	unsigned char secondary_addr;	/* address of the secondary codec */
 170	unsigned int tea575x_tuner;	/* tuner access method & flags */
 171
 172	unsigned short ply_ctrl; /* playback control */
 173	unsigned short cap_ctrl; /* capture control */
 174
 175	unsigned long ply_buffer;
 176	unsigned int ply_buf;
 177	unsigned int ply_count;
 178	unsigned int ply_size;
 179	unsigned int ply_pos;
 180
 181	unsigned long cap_buffer;
 182	unsigned int cap_buf;
 183	unsigned int cap_count;
 184	unsigned int cap_size;
 185	unsigned int cap_pos;
 186
 187	struct snd_ac97_bus *ac97_bus;
 188	struct snd_ac97 *ac97;
 189	struct snd_ac97 *ac97_sec;
 190
 191	struct pci_dev *pci;
 192	struct snd_card *card;
 193	struct snd_pcm *pcm;
 194	struct snd_rawmidi *rmidi;
 195	struct snd_pcm_substream *playback_substream;
 196	struct snd_pcm_substream *capture_substream;
 197	unsigned int p_dma_size;
 198	unsigned int c_dma_size;
 199
 200	spinlock_t reg_lock;
 201	struct snd_info_entry *proc_entry;
 202
 203#ifdef CONFIG_SND_FM801_TEA575X_BOOL
 204	struct v4l2_device v4l2_dev;
 205	struct snd_tea575x tea;
 206#endif
 207
 208#ifdef CONFIG_PM
 209	u16 saved_regs[0x20];
 210#endif
 211};
 212
 213static DEFINE_PCI_DEVICE_TABLE(snd_fm801_ids) = {
 214	{ 0x1319, 0x0801, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, },   /* FM801 */
 215	{ 0x5213, 0x0510, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, },   /* Gallant Odyssey Sound 4 */
 216	{ 0, }
 217};
 218
 219MODULE_DEVICE_TABLE(pci, snd_fm801_ids);
 220
 221/*
 222 *  common I/O routines
 223 */
 224
 225static int snd_fm801_update_bits(struct fm801 *chip, unsigned short reg,
 226				 unsigned short mask, unsigned short value)
 227{
 228	int change;
 229	unsigned long flags;
 230	unsigned short old, new;
 231
 232	spin_lock_irqsave(&chip->reg_lock, flags);
 233	old = inw(chip->port + reg);
 234	new = (old & ~mask) | value;
 235	change = old != new;
 236	if (change)
 237		outw(new, chip->port + reg);
 238	spin_unlock_irqrestore(&chip->reg_lock, flags);
 239	return change;
 240}
 241
 242static void snd_fm801_codec_write(struct snd_ac97 *ac97,
 243				  unsigned short reg,
 244				  unsigned short val)
 245{
 246	struct fm801 *chip = ac97->private_data;
 247	int idx;
 248
 249	/*
 250	 *  Wait until the codec interface is not ready..
 251	 */
 252	for (idx = 0; idx < 100; idx++) {
 253		if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
 254			goto ok1;
 255		udelay(10);
 256	}
 257	snd_printk(KERN_ERR "AC'97 interface is busy (1)\n");
 258	return;
 259
 260 ok1:
 261	/* write data and address */
 262	outw(val, FM801_REG(chip, AC97_DATA));
 263	outw(reg | (ac97->addr << FM801_AC97_ADDR_SHIFT), FM801_REG(chip, AC97_CMD));
 264	/*
 265	 *  Wait until the write command is not completed..
 266         */
 267	for (idx = 0; idx < 1000; idx++) {
 268		if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
 269			return;
 270		udelay(10);
 271	}
 272	snd_printk(KERN_ERR "AC'97 interface #%d is busy (2)\n", ac97->num);
 273}
 274
 275static unsigned short snd_fm801_codec_read(struct snd_ac97 *ac97, unsigned short reg)
 276{
 277	struct fm801 *chip = ac97->private_data;
 278	int idx;
 279
 280	/*
 281	 *  Wait until the codec interface is not ready..
 282	 */
 283	for (idx = 0; idx < 100; idx++) {
 284		if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
 285			goto ok1;
 286		udelay(10);
 287	}
 288	snd_printk(KERN_ERR "AC'97 interface is busy (1)\n");
 289	return 0;
 290
 291 ok1:
 292	/* read command */
 293	outw(reg | (ac97->addr << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ,
 294	     FM801_REG(chip, AC97_CMD));
 295	for (idx = 0; idx < 100; idx++) {
 296		if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
 297			goto ok2;
 298		udelay(10);
 299	}
 300	snd_printk(KERN_ERR "AC'97 interface #%d is busy (2)\n", ac97->num);
 301	return 0;
 302
 303 ok2:
 304	for (idx = 0; idx < 1000; idx++) {
 305		if (inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_VALID)
 306			goto ok3;
 307		udelay(10);
 308	}
 309	snd_printk(KERN_ERR "AC'97 interface #%d is not valid (2)\n", ac97->num);
 310	return 0;
 311
 312 ok3:
 313	return inw(FM801_REG(chip, AC97_DATA));
 314}
 315
 316static unsigned int rates[] = {
 317  5500,  8000,  9600, 11025,
 318  16000, 19200, 22050, 32000,
 319  38400, 44100, 48000
 320};
 321
 322static struct snd_pcm_hw_constraint_list hw_constraints_rates = {
 323	.count = ARRAY_SIZE(rates),
 324	.list = rates,
 325	.mask = 0,
 326};
 327
 328static unsigned int channels[] = {
 329  2, 4, 6
 330};
 331
 332static struct snd_pcm_hw_constraint_list hw_constraints_channels = {
 333	.count = ARRAY_SIZE(channels),
 334	.list = channels,
 335	.mask = 0,
 336};
 337
 338/*
 339 *  Sample rate routines
 340 */
 341
 342static unsigned short snd_fm801_rate_bits(unsigned int rate)
 343{
 344	unsigned int idx;
 345
 346	for (idx = 0; idx < ARRAY_SIZE(rates); idx++)
 347		if (rates[idx] == rate)
 348			return idx;
 349	snd_BUG();
 350	return ARRAY_SIZE(rates) - 1;
 351}
 352
 353/*
 354 *  PCM part
 355 */
 356
 357static int snd_fm801_playback_trigger(struct snd_pcm_substream *substream,
 358				      int cmd)
 359{
 360	struct fm801 *chip = snd_pcm_substream_chip(substream);
 361
 362	spin_lock(&chip->reg_lock);
 363	switch (cmd) {
 364	case SNDRV_PCM_TRIGGER_START:
 365		chip->ply_ctrl &= ~(FM801_BUF1_LAST |
 366				     FM801_BUF2_LAST |
 367				     FM801_PAUSE);
 368		chip->ply_ctrl |= FM801_START |
 369				   FM801_IMMED_STOP;
 370		break;
 371	case SNDRV_PCM_TRIGGER_STOP:
 372		chip->ply_ctrl &= ~(FM801_START | FM801_PAUSE);
 373		break;
 374	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 375	case SNDRV_PCM_TRIGGER_SUSPEND:
 376		chip->ply_ctrl |= FM801_PAUSE;
 377		break;
 378	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 379	case SNDRV_PCM_TRIGGER_RESUME:
 380		chip->ply_ctrl &= ~FM801_PAUSE;
 381		break;
 382	default:
 383		spin_unlock(&chip->reg_lock);
 384		snd_BUG();
 385		return -EINVAL;
 386	}
 387	outw(chip->ply_ctrl, FM801_REG(chip, PLY_CTRL));
 388	spin_unlock(&chip->reg_lock);
 389	return 0;
 390}
 391
 392static int snd_fm801_capture_trigger(struct snd_pcm_substream *substream,
 393				     int cmd)
 394{
 395	struct fm801 *chip = snd_pcm_substream_chip(substream);
 396
 397	spin_lock(&chip->reg_lock);
 398	switch (cmd) {
 399	case SNDRV_PCM_TRIGGER_START:
 400		chip->cap_ctrl &= ~(FM801_BUF1_LAST |
 401				     FM801_BUF2_LAST |
 402				     FM801_PAUSE);
 403		chip->cap_ctrl |= FM801_START |
 404				   FM801_IMMED_STOP;
 405		break;
 406	case SNDRV_PCM_TRIGGER_STOP:
 407		chip->cap_ctrl &= ~(FM801_START | FM801_PAUSE);
 408		break;
 409	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 410	case SNDRV_PCM_TRIGGER_SUSPEND:
 411		chip->cap_ctrl |= FM801_PAUSE;
 412		break;
 413	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 414	case SNDRV_PCM_TRIGGER_RESUME:
 415		chip->cap_ctrl &= ~FM801_PAUSE;
 416		break;
 417	default:
 418		spin_unlock(&chip->reg_lock);
 419		snd_BUG();
 420		return -EINVAL;
 421	}
 422	outw(chip->cap_ctrl, FM801_REG(chip, CAP_CTRL));
 423	spin_unlock(&chip->reg_lock);
 424	return 0;
 425}
 426
 427static int snd_fm801_hw_params(struct snd_pcm_substream *substream,
 428			       struct snd_pcm_hw_params *hw_params)
 429{
 430	return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
 431}
 432
 433static int snd_fm801_hw_free(struct snd_pcm_substream *substream)
 434{
 435	return snd_pcm_lib_free_pages(substream);
 436}
 437
 438static int snd_fm801_playback_prepare(struct snd_pcm_substream *substream)
 439{
 440	struct fm801 *chip = snd_pcm_substream_chip(substream);
 441	struct snd_pcm_runtime *runtime = substream->runtime;
 442
 443	chip->ply_size = snd_pcm_lib_buffer_bytes(substream);
 444	chip->ply_count = snd_pcm_lib_period_bytes(substream);
 445	spin_lock_irq(&chip->reg_lock);
 446	chip->ply_ctrl &= ~(FM801_START | FM801_16BIT |
 447			     FM801_STEREO | FM801_RATE_MASK |
 448			     FM801_CHANNELS_MASK);
 449	if (snd_pcm_format_width(runtime->format) == 16)
 450		chip->ply_ctrl |= FM801_16BIT;
 451	if (runtime->channels > 1) {
 452		chip->ply_ctrl |= FM801_STEREO;
 453		if (runtime->channels == 4)
 454			chip->ply_ctrl |= FM801_CHANNELS_4;
 455		else if (runtime->channels == 6)
 456			chip->ply_ctrl |= FM801_CHANNELS_6;
 457	}
 458	chip->ply_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
 459	chip->ply_buf = 0;
 460	outw(chip->ply_ctrl, FM801_REG(chip, PLY_CTRL));
 461	outw(chip->ply_count - 1, FM801_REG(chip, PLY_COUNT));
 462	chip->ply_buffer = runtime->dma_addr;
 463	chip->ply_pos = 0;
 464	outl(chip->ply_buffer, FM801_REG(chip, PLY_BUF1));
 465	outl(chip->ply_buffer + (chip->ply_count % chip->ply_size), FM801_REG(chip, PLY_BUF2));
 466	spin_unlock_irq(&chip->reg_lock);
 467	return 0;
 468}
 469
 470static int snd_fm801_capture_prepare(struct snd_pcm_substream *substream)
 471{
 472	struct fm801 *chip = snd_pcm_substream_chip(substream);
 473	struct snd_pcm_runtime *runtime = substream->runtime;
 474
 475	chip->cap_size = snd_pcm_lib_buffer_bytes(substream);
 476	chip->cap_count = snd_pcm_lib_period_bytes(substream);
 477	spin_lock_irq(&chip->reg_lock);
 478	chip->cap_ctrl &= ~(FM801_START | FM801_16BIT |
 479			     FM801_STEREO | FM801_RATE_MASK);
 480	if (snd_pcm_format_width(runtime->format) == 16)
 481		chip->cap_ctrl |= FM801_16BIT;
 482	if (runtime->channels > 1)
 483		chip->cap_ctrl |= FM801_STEREO;
 484	chip->cap_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
 485	chip->cap_buf = 0;
 486	outw(chip->cap_ctrl, FM801_REG(chip, CAP_CTRL));
 487	outw(chip->cap_count - 1, FM801_REG(chip, CAP_COUNT));
 488	chip->cap_buffer = runtime->dma_addr;
 489	chip->cap_pos = 0;
 490	outl(chip->cap_buffer, FM801_REG(chip, CAP_BUF1));
 491	outl(chip->cap_buffer + (chip->cap_count % chip->cap_size), FM801_REG(chip, CAP_BUF2));
 492	spin_unlock_irq(&chip->reg_lock);
 493	return 0;
 494}
 495
 496static snd_pcm_uframes_t snd_fm801_playback_pointer(struct snd_pcm_substream *substream)
 497{
 498	struct fm801 *chip = snd_pcm_substream_chip(substream);
 499	size_t ptr;
 500
 501	if (!(chip->ply_ctrl & FM801_START))
 502		return 0;
 503	spin_lock(&chip->reg_lock);
 504	ptr = chip->ply_pos + (chip->ply_count - 1) - inw(FM801_REG(chip, PLY_COUNT));
 505	if (inw(FM801_REG(chip, IRQ_STATUS)) & FM801_IRQ_PLAYBACK) {
 506		ptr += chip->ply_count;
 507		ptr %= chip->ply_size;
 508	}
 509	spin_unlock(&chip->reg_lock);
 510	return bytes_to_frames(substream->runtime, ptr);
 511}
 512
 513static snd_pcm_uframes_t snd_fm801_capture_pointer(struct snd_pcm_substream *substream)
 514{
 515	struct fm801 *chip = snd_pcm_substream_chip(substream);
 516	size_t ptr;
 517
 518	if (!(chip->cap_ctrl & FM801_START))
 519		return 0;
 520	spin_lock(&chip->reg_lock);
 521	ptr = chip->cap_pos + (chip->cap_count - 1) - inw(FM801_REG(chip, CAP_COUNT));
 522	if (inw(FM801_REG(chip, IRQ_STATUS)) & FM801_IRQ_CAPTURE) {
 523		ptr += chip->cap_count;
 524		ptr %= chip->cap_size;
 525	}
 526	spin_unlock(&chip->reg_lock);
 527	return bytes_to_frames(substream->runtime, ptr);
 528}
 529
 530static irqreturn_t snd_fm801_interrupt(int irq, void *dev_id)
 531{
 532	struct fm801 *chip = dev_id;
 533	unsigned short status;
 534	unsigned int tmp;
 535
 536	status = inw(FM801_REG(chip, IRQ_STATUS));
 537	status &= FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU|FM801_IRQ_VOLUME;
 538	if (! status)
 539		return IRQ_NONE;
 540	/* ack first */
 541	outw(status, FM801_REG(chip, IRQ_STATUS));
 542	if (chip->pcm && (status & FM801_IRQ_PLAYBACK) && chip->playback_substream) {
 543		spin_lock(&chip->reg_lock);
 544		chip->ply_buf++;
 545		chip->ply_pos += chip->ply_count;
 546		chip->ply_pos %= chip->ply_size;
 547		tmp = chip->ply_pos + chip->ply_count;
 548		tmp %= chip->ply_size;
 549		outl(chip->ply_buffer + tmp,
 550				(chip->ply_buf & 1) ?
 551					FM801_REG(chip, PLY_BUF1) :
 552					FM801_REG(chip, PLY_BUF2));
 553		spin_unlock(&chip->reg_lock);
 554		snd_pcm_period_elapsed(chip->playback_substream);
 555	}
 556	if (chip->pcm && (status & FM801_IRQ_CAPTURE) && chip->capture_substream) {
 557		spin_lock(&chip->reg_lock);
 558		chip->cap_buf++;
 559		chip->cap_pos += chip->cap_count;
 560		chip->cap_pos %= chip->cap_size;
 561		tmp = chip->cap_pos + chip->cap_count;
 562		tmp %= chip->cap_size;
 563		outl(chip->cap_buffer + tmp,
 564				(chip->cap_buf & 1) ?
 565					FM801_REG(chip, CAP_BUF1) :
 566					FM801_REG(chip, CAP_BUF2));
 567		spin_unlock(&chip->reg_lock);
 568		snd_pcm_period_elapsed(chip->capture_substream);
 569	}
 570	if (chip->rmidi && (status & FM801_IRQ_MPU))
 571		snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data);
 572	if (status & FM801_IRQ_VOLUME)
 573		;/* TODO */
 574
 575	return IRQ_HANDLED;
 576}
 577
 578static struct snd_pcm_hardware snd_fm801_playback =
 579{
 580	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 581				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
 582				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
 583				 SNDRV_PCM_INFO_MMAP_VALID),
 584	.formats =		SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
 585	.rates =		SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
 586	.rate_min =		5500,
 587	.rate_max =		48000,
 588	.channels_min =		1,
 589	.channels_max =		2,
 590	.buffer_bytes_max =	(128*1024),
 591	.period_bytes_min =	64,
 592	.period_bytes_max =	(128*1024),
 593	.periods_min =		1,
 594	.periods_max =		1024,
 595	.fifo_size =		0,
 596};
 597
 598static struct snd_pcm_hardware snd_fm801_capture =
 599{
 600	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 601				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
 602				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
 603				 SNDRV_PCM_INFO_MMAP_VALID),
 604	.formats =		SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
 605	.rates =		SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
 606	.rate_min =		5500,
 607	.rate_max =		48000,
 608	.channels_min =		1,
 609	.channels_max =		2,
 610	.buffer_bytes_max =	(128*1024),
 611	.period_bytes_min =	64,
 612	.period_bytes_max =	(128*1024),
 613	.periods_min =		1,
 614	.periods_max =		1024,
 615	.fifo_size =		0,
 616};
 617
 618static int snd_fm801_playback_open(struct snd_pcm_substream *substream)
 619{
 620	struct fm801 *chip = snd_pcm_substream_chip(substream);
 621	struct snd_pcm_runtime *runtime = substream->runtime;
 622	int err;
 623
 624	chip->playback_substream = substream;
 625	runtime->hw = snd_fm801_playback;
 626	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 627				   &hw_constraints_rates);
 628	if (chip->multichannel) {
 629		runtime->hw.channels_max = 6;
 630		snd_pcm_hw_constraint_list(runtime, 0,
 631					   SNDRV_PCM_HW_PARAM_CHANNELS,
 632					   &hw_constraints_channels);
 633	}
 634	if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
 635		return err;
 636	return 0;
 637}
 638
 639static int snd_fm801_capture_open(struct snd_pcm_substream *substream)
 640{
 641	struct fm801 *chip = snd_pcm_substream_chip(substream);
 642	struct snd_pcm_runtime *runtime = substream->runtime;
 643	int err;
 644
 645	chip->capture_substream = substream;
 646	runtime->hw = snd_fm801_capture;
 647	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 648				   &hw_constraints_rates);
 649	if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
 650		return err;
 651	return 0;
 652}
 653
 654static int snd_fm801_playback_close(struct snd_pcm_substream *substream)
 655{
 656	struct fm801 *chip = snd_pcm_substream_chip(substream);
 657
 658	chip->playback_substream = NULL;
 659	return 0;
 660}
 661
 662static int snd_fm801_capture_close(struct snd_pcm_substream *substream)
 663{
 664	struct fm801 *chip = snd_pcm_substream_chip(substream);
 665
 666	chip->capture_substream = NULL;
 667	return 0;
 668}
 669
 670static struct snd_pcm_ops snd_fm801_playback_ops = {
 671	.open =		snd_fm801_playback_open,
 672	.close =	snd_fm801_playback_close,
 673	.ioctl =	snd_pcm_lib_ioctl,
 674	.hw_params =	snd_fm801_hw_params,
 675	.hw_free =	snd_fm801_hw_free,
 676	.prepare =	snd_fm801_playback_prepare,
 677	.trigger =	snd_fm801_playback_trigger,
 678	.pointer =	snd_fm801_playback_pointer,
 679};
 680
 681static struct snd_pcm_ops snd_fm801_capture_ops = {
 682	.open =		snd_fm801_capture_open,
 683	.close =	snd_fm801_capture_close,
 684	.ioctl =	snd_pcm_lib_ioctl,
 685	.hw_params =	snd_fm801_hw_params,
 686	.hw_free =	snd_fm801_hw_free,
 687	.prepare =	snd_fm801_capture_prepare,
 688	.trigger =	snd_fm801_capture_trigger,
 689	.pointer =	snd_fm801_capture_pointer,
 690};
 691
 692static int __devinit snd_fm801_pcm(struct fm801 *chip, int device, struct snd_pcm ** rpcm)
 693{
 694	struct snd_pcm *pcm;
 695	int err;
 696
 697	if (rpcm)
 698		*rpcm = NULL;
 699	if ((err = snd_pcm_new(chip->card, "FM801", device, 1, 1, &pcm)) < 0)
 700		return err;
 701
 702	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_fm801_playback_ops);
 703	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_fm801_capture_ops);
 704
 705	pcm->private_data = chip;
 706	pcm->info_flags = 0;
 707	strcpy(pcm->name, "FM801");
 708	chip->pcm = pcm;
 709
 710	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
 711					      snd_dma_pci_data(chip->pci),
 712					      chip->multichannel ? 128*1024 : 64*1024, 128*1024);
 713
 714	if (rpcm)
 715		*rpcm = pcm;
 716	return 0;
 717}
 718
 719/*
 720 *  TEA5757 radio
 721 */
 722
 723#ifdef CONFIG_SND_FM801_TEA575X_BOOL
 724
 725/* GPIO to TEA575x maps */
 726struct snd_fm801_tea575x_gpio {
 727	u8 data, clk, wren, most;
 728	char *name;
 729};
 730
 731static struct snd_fm801_tea575x_gpio snd_fm801_tea575x_gpios[] = {
 732	{ .data = 1, .clk = 3, .wren = 2, .most = 0, .name = "SF256-PCS" },
 733	{ .data = 1, .clk = 0, .wren = 2, .most = 3, .name = "SF256-PCP" },
 734	{ .data = 2, .clk = 0, .wren = 1, .most = 3, .name = "SF64-PCR" },
 735};
 736
 737#define get_tea575x_gpio(chip) \
 738	(&snd_fm801_tea575x_gpios[((chip)->tea575x_tuner & TUNER_TYPE_MASK) - 1])
 739
 740static void snd_fm801_tea575x_set_pins(struct snd_tea575x *tea, u8 pins)
 741{
 742	struct fm801 *chip = tea->private_data;
 743	unsigned short reg = inw(FM801_REG(chip, GPIO_CTRL));
 744	struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
 745
 746	reg &= ~(FM801_GPIO_GP(gpio.data) |
 747		 FM801_GPIO_GP(gpio.clk) |
 748		 FM801_GPIO_GP(gpio.wren));
 749
 750	reg |= (pins & TEA575X_DATA) ? FM801_GPIO_GP(gpio.data) : 0;
 751	reg |= (pins & TEA575X_CLK)  ? FM801_GPIO_GP(gpio.clk) : 0;
 752	/* WRITE_ENABLE is inverted */
 753	reg |= (pins & TEA575X_WREN) ? 0 : FM801_GPIO_GP(gpio.wren);
 754
 755	outw(reg, FM801_REG(chip, GPIO_CTRL));
 756}
 757
 758static u8 snd_fm801_tea575x_get_pins(struct snd_tea575x *tea)
 759{
 760	struct fm801 *chip = tea->private_data;
 761	unsigned short reg = inw(FM801_REG(chip, GPIO_CTRL));
 762	struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
 763
 764	return  (reg & FM801_GPIO_GP(gpio.data)) ? TEA575X_DATA : 0 |
 765		(reg & FM801_GPIO_GP(gpio.most)) ? TEA575X_MOST : 0;
 766}
 767
 768static void snd_fm801_tea575x_set_direction(struct snd_tea575x *tea, bool output)
 769{
 770	struct fm801 *chip = tea->private_data;
 771	unsigned short reg = inw(FM801_REG(chip, GPIO_CTRL));
 772	struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
 773
 774	/* use GPIO lines and set write enable bit */
 775	reg |= FM801_GPIO_GS(gpio.data) |
 776	       FM801_GPIO_GS(gpio.wren) |
 777	       FM801_GPIO_GS(gpio.clk) |
 778	       FM801_GPIO_GS(gpio.most);
 779	if (output) {
 780		/* all of lines are in the write direction */
 781		/* clear data and clock lines */
 782		reg &= ~(FM801_GPIO_GD(gpio.data) |
 783			 FM801_GPIO_GD(gpio.wren) |
 784			 FM801_GPIO_GD(gpio.clk) |
 785			 FM801_GPIO_GP(gpio.data) |
 786			 FM801_GPIO_GP(gpio.clk) |
 787			 FM801_GPIO_GP(gpio.wren));
 788	} else {
 789		/* use GPIO lines, set data direction to input */
 790		reg |= FM801_GPIO_GD(gpio.data) |
 791		       FM801_GPIO_GD(gpio.most) |
 792		       FM801_GPIO_GP(gpio.data) |
 793		       FM801_GPIO_GP(gpio.most) |
 794		       FM801_GPIO_GP(gpio.wren);
 795		/* all of lines are in the write direction, except data */
 796		/* clear data, write enable and clock lines */
 797		reg &= ~(FM801_GPIO_GD(gpio.wren) |
 798			 FM801_GPIO_GD(gpio.clk) |
 799			 FM801_GPIO_GP(gpio.clk));
 800	}
 801
 802	outw(reg, FM801_REG(chip, GPIO_CTRL));
 803}
 804
 805static struct snd_tea575x_ops snd_fm801_tea_ops = {
 806	.set_pins = snd_fm801_tea575x_set_pins,
 807	.get_pins = snd_fm801_tea575x_get_pins,
 808	.set_direction = snd_fm801_tea575x_set_direction,
 809};
 810#endif
 811
 812/*
 813 *  Mixer routines
 814 */
 815
 816#define FM801_SINGLE(xname, reg, shift, mask, invert) \
 817{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_single, \
 818  .get = snd_fm801_get_single, .put = snd_fm801_put_single, \
 819  .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
 820
 821static int snd_fm801_info_single(struct snd_kcontrol *kcontrol,
 822				 struct snd_ctl_elem_info *uinfo)
 823{
 824	int mask = (kcontrol->private_value >> 16) & 0xff;
 825
 826	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 827	uinfo->count = 1;
 828	uinfo->value.integer.min = 0;
 829	uinfo->value.integer.max = mask;
 830	return 0;
 831}
 832
 833static int snd_fm801_get_single(struct snd_kcontrol *kcontrol,
 834				struct snd_ctl_elem_value *ucontrol)
 835{
 836	struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 837	int reg = kcontrol->private_value & 0xff;
 838	int shift = (kcontrol->private_value >> 8) & 0xff;
 839	int mask = (kcontrol->private_value >> 16) & 0xff;
 840	int invert = (kcontrol->private_value >> 24) & 0xff;
 841
 842	ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift) & mask;
 843	if (invert)
 844		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
 845	return 0;
 846}
 847
 848static int snd_fm801_put_single(struct snd_kcontrol *kcontrol,
 849				struct snd_ctl_elem_value *ucontrol)
 850{
 851	struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 852	int reg = kcontrol->private_value & 0xff;
 853	int shift = (kcontrol->private_value >> 8) & 0xff;
 854	int mask = (kcontrol->private_value >> 16) & 0xff;
 855	int invert = (kcontrol->private_value >> 24) & 0xff;
 856	unsigned short val;
 857
 858	val = (ucontrol->value.integer.value[0] & mask);
 859	if (invert)
 860		val = mask - val;
 861	return snd_fm801_update_bits(chip, reg, mask << shift, val << shift);
 862}
 863
 864#define FM801_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
 865{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_double, \
 866  .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
 867  .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) }
 868#define FM801_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \
 869{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 870  .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
 871  .name = xname, .info = snd_fm801_info_double, \
 872  .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
 873  .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \
 874  .tlv = { .p = (xtlv) } }
 875
 876static int snd_fm801_info_double(struct snd_kcontrol *kcontrol,
 877				 struct snd_ctl_elem_info *uinfo)
 878{
 879	int mask = (kcontrol->private_value >> 16) & 0xff;
 880
 881	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 882	uinfo->count = 2;
 883	uinfo->value.integer.min = 0;
 884	uinfo->value.integer.max = mask;
 885	return 0;
 886}
 887
 888static int snd_fm801_get_double(struct snd_kcontrol *kcontrol,
 889				struct snd_ctl_elem_value *ucontrol)
 890{
 891	struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 892        int reg = kcontrol->private_value & 0xff;
 893	int shift_left = (kcontrol->private_value >> 8) & 0x0f;
 894	int shift_right = (kcontrol->private_value >> 12) & 0x0f;
 895	int mask = (kcontrol->private_value >> 16) & 0xff;
 896	int invert = (kcontrol->private_value >> 24) & 0xff;
 897
 898	spin_lock_irq(&chip->reg_lock);
 899	ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift_left) & mask;
 900	ucontrol->value.integer.value[1] = (inw(chip->port + reg) >> shift_right) & mask;
 901	spin_unlock_irq(&chip->reg_lock);
 902	if (invert) {
 903		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
 904		ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
 905	}
 906	return 0;
 907}
 908
 909static int snd_fm801_put_double(struct snd_kcontrol *kcontrol,
 910				struct snd_ctl_elem_value *ucontrol)
 911{
 912	struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 913	int reg = kcontrol->private_value & 0xff;
 914	int shift_left = (kcontrol->private_value >> 8) & 0x0f;
 915	int shift_right = (kcontrol->private_value >> 12) & 0x0f;
 916	int mask = (kcontrol->private_value >> 16) & 0xff;
 917	int invert = (kcontrol->private_value >> 24) & 0xff;
 918	unsigned short val1, val2;
 919 
 920	val1 = ucontrol->value.integer.value[0] & mask;
 921	val2 = ucontrol->value.integer.value[1] & mask;
 922	if (invert) {
 923		val1 = mask - val1;
 924		val2 = mask - val2;
 925	}
 926	return snd_fm801_update_bits(chip, reg,
 927				     (mask << shift_left) | (mask << shift_right),
 928				     (val1 << shift_left ) | (val2 << shift_right));
 929}
 930
 931static int snd_fm801_info_mux(struct snd_kcontrol *kcontrol,
 932			      struct snd_ctl_elem_info *uinfo)
 933{
 934	static char *texts[5] = {
 935		"AC97 Primary", "FM", "I2S", "PCM", "AC97 Secondary"
 936	};
 937 
 938	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 939	uinfo->count = 1;
 940	uinfo->value.enumerated.items = 5;
 941	if (uinfo->value.enumerated.item > 4)
 942		uinfo->value.enumerated.item = 4;
 943	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
 944	return 0;
 945}
 946
 947static int snd_fm801_get_mux(struct snd_kcontrol *kcontrol,
 948			     struct snd_ctl_elem_value *ucontrol)
 949{
 950	struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 951        unsigned short val;
 952 
 953	val = inw(FM801_REG(chip, REC_SRC)) & 7;
 954	if (val > 4)
 955		val = 4;
 956        ucontrol->value.enumerated.item[0] = val;
 957        return 0;
 958}
 959
 960static int snd_fm801_put_mux(struct snd_kcontrol *kcontrol,
 961			     struct snd_ctl_elem_value *ucontrol)
 962{
 963	struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 964        unsigned short val;
 965 
 966        if ((val = ucontrol->value.enumerated.item[0]) > 4)
 967                return -EINVAL;
 968	return snd_fm801_update_bits(chip, FM801_REC_SRC, 7, val);
 969}
 970
 971static const DECLARE_TLV_DB_SCALE(db_scale_dsp, -3450, 150, 0);
 972
 973#define FM801_CONTROLS ARRAY_SIZE(snd_fm801_controls)
 974
 975static struct snd_kcontrol_new snd_fm801_controls[] __devinitdata = {
 976FM801_DOUBLE_TLV("Wave Playback Volume", FM801_PCM_VOL, 0, 8, 31, 1,
 977		 db_scale_dsp),
 978FM801_SINGLE("Wave Playback Switch", FM801_PCM_VOL, 15, 1, 1),
 979FM801_DOUBLE_TLV("I2S Playback Volume", FM801_I2S_VOL, 0, 8, 31, 1,
 980		 db_scale_dsp),
 981FM801_SINGLE("I2S Playback Switch", FM801_I2S_VOL, 15, 1, 1),
 982FM801_DOUBLE_TLV("FM Playback Volume", FM801_FM_VOL, 0, 8, 31, 1,
 983		 db_scale_dsp),
 984FM801_SINGLE("FM Playback Switch", FM801_FM_VOL, 15, 1, 1),
 985{
 986	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 987	.name = "Digital Capture Source",
 988	.info = snd_fm801_info_mux,
 989	.get = snd_fm801_get_mux,
 990	.put = snd_fm801_put_mux,
 991}
 992};
 993
 994#define FM801_CONTROLS_MULTI ARRAY_SIZE(snd_fm801_controls_multi)
 995
 996static struct snd_kcontrol_new snd_fm801_controls_multi[] __devinitdata = {
 997FM801_SINGLE("AC97 2ch->4ch Copy Switch", FM801_CODEC_CTRL, 7, 1, 0),
 998FM801_SINGLE("AC97 18-bit Switch", FM801_CODEC_CTRL, 10, 1, 0),
 999FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), FM801_I2S_MODE, 8, 1, 0),
1000FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",PLAYBACK,SWITCH), FM801_I2S_MODE, 9, 1, 0),
1001FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",CAPTURE,SWITCH), FM801_I2S_MODE, 10, 1, 0),
1002FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), FM801_GEN_CTRL, 2, 1, 0),
1003};
1004
1005static void snd_fm801_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
1006{
1007	struct fm801 *chip = bus->private_data;
1008	chip->ac97_bus = NULL;
1009}
1010
1011static void snd_fm801_mixer_free_ac97(struct snd_ac97 *ac97)
1012{
1013	struct fm801 *chip = ac97->private_data;
1014	if (ac97->num == 0) {
1015		chip->ac97 = NULL;
1016	} else {
1017		chip->ac97_sec = NULL;
1018	}
1019}
1020
1021static int __devinit snd_fm801_mixer(struct fm801 *chip)
1022{
1023	struct snd_ac97_template ac97;
1024	unsigned int i;
1025	int err;
1026	static struct snd_ac97_bus_ops ops = {
1027		.write = snd_fm801_codec_write,
1028		.read = snd_fm801_codec_read,
1029	};
1030
1031	if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0)
1032		return err;
1033	chip->ac97_bus->private_free = snd_fm801_mixer_free_ac97_bus;
1034
1035	memset(&ac97, 0, sizeof(ac97));
1036	ac97.private_data = chip;
1037	ac97.private_free = snd_fm801_mixer_free_ac97;
1038	if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0)
1039		return err;
1040	if (chip->secondary) {
1041		ac97.num = 1;
1042		ac97.addr = chip->secondary_addr;
1043		if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_sec)) < 0)
1044			return err;
1045	}
1046	for (i = 0; i < FM801_CONTROLS; i++)
1047		snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls[i], chip));
1048	if (chip->multichannel) {
1049		for (i = 0; i < FM801_CONTROLS_MULTI; i++)
1050			snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls_multi[i], chip));
1051	}
1052	return 0;
1053}
1054
1055/*
1056 *  initialization routines
1057 */
1058
1059static int wait_for_codec(struct fm801 *chip, unsigned int codec_id,
1060			  unsigned short reg, unsigned long waits)
1061{
1062	unsigned long timeout = jiffies + waits;
1063
1064	outw(FM801_AC97_READ | (codec_id << FM801_AC97_ADDR_SHIFT) | reg,
1065	     FM801_REG(chip, AC97_CMD));
1066	udelay(5);
1067	do {
1068		if ((inw(FM801_REG(chip, AC97_CMD)) & (FM801_AC97_VALID|FM801_AC97_BUSY))
1069		    == FM801_AC97_VALID)
1070			return 0;
1071		schedule_timeout_uninterruptible(1);
1072	} while (time_after(timeout, jiffies));
1073	return -EIO;
1074}
1075
1076static int snd_fm801_chip_init(struct fm801 *chip, int resume)
1077{
1078	unsigned short cmdw;
1079
1080	if (chip->tea575x_tuner & TUNER_ONLY)
1081		goto __ac97_ok;
1082
1083	/* codec cold reset + AC'97 warm reset */
1084	outw((1<<5) | (1<<6), FM801_REG(chip, CODEC_CTRL));
1085	inw(FM801_REG(chip, CODEC_CTRL)); /* flush posting data */
1086	udelay(100);
1087	outw(0, FM801_REG(chip, CODEC_CTRL));
1088
1089	if (wait_for_codec(chip, 0, AC97_RESET, msecs_to_jiffies(750)) < 0)
1090		if (!resume) {
1091			snd_printk(KERN_INFO "Primary AC'97 codec not found, "
1092					    "assume SF64-PCR (tuner-only)\n");
1093			chip->tea575x_tuner = 3 | TUNER_ONLY;
1094			goto __ac97_ok;
1095		}
1096
1097	if (chip->multichannel) {
1098		if (chip->secondary_addr) {
1099			wait_for_codec(chip, chip->secondary_addr,
1100				       AC97_VENDOR_ID1, msecs_to_jiffies(50));
1101		} else {
1102			/* my card has the secondary codec */
1103			/* at address #3, so the loop is inverted */
1104			int i;
1105			for (i = 3; i > 0; i--) {
1106				if (!wait_for_codec(chip, i, AC97_VENDOR_ID1,
1107						     msecs_to_jiffies(50))) {
1108					cmdw = inw(FM801_REG(chip, AC97_DATA));
1109					if (cmdw != 0xffff && cmdw != 0) {
1110						chip->secondary = 1;
1111						chip->secondary_addr = i;
1112						break;
1113					}
1114				}
1115			}
1116		}
1117
1118		/* the recovery phase, it seems that probing for non-existing codec might */
1119		/* cause timeout problems */
1120		wait_for_codec(chip, 0, AC97_VENDOR_ID1, msecs_to_jiffies(750));
1121	}
1122
1123      __ac97_ok:
1124
1125	/* init volume */
1126	outw(0x0808, FM801_REG(chip, PCM_VOL));
1127	outw(0x9f1f, FM801_REG(chip, FM_VOL));
1128	outw(0x8808, FM801_REG(chip, I2S_VOL));
1129
1130	/* I2S control - I2S mode */
1131	outw(0x0003, FM801_REG(chip, I2S_MODE));
1132
1133	/* interrupt setup */
1134	cmdw = inw(FM801_REG(chip, IRQ_MASK));
1135	if (chip->irq < 0)
1136		cmdw |= 0x00c3;		/* mask everything, no PCM nor MPU */
1137	else
1138		cmdw &= ~0x0083;	/* unmask MPU, PLAYBACK & CAPTURE */
1139	outw(cmdw, FM801_REG(chip, IRQ_MASK));
1140
1141	/* interrupt clear */
1142	outw(FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU, FM801_REG(chip, IRQ_STATUS));
1143
1144	return 0;
1145}
1146
1147
1148static int snd_fm801_free(struct fm801 *chip)
1149{
1150	unsigned short cmdw;
1151
1152	if (chip->irq < 0)
1153		goto __end_hw;
1154
1155	/* interrupt setup - mask everything */
1156	cmdw = inw(FM801_REG(chip, IRQ_MASK));
1157	cmdw |= 0x00c3;
1158	outw(cmdw, FM801_REG(chip, IRQ_MASK));
1159
1160      __end_hw:
1161#ifdef CONFIG_SND_FM801_TEA575X_BOOL
1162	if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1163		snd_tea575x_exit(&chip->tea);
1164		v4l2_device_unregister(&chip->v4l2_dev);
1165	}
1166#endif
1167	if (chip->irq >= 0)
1168		free_irq(chip->irq, chip);
1169	pci_release_regions(chip->pci);
1170	pci_disable_device(chip->pci);
1171
1172	kfree(chip);
1173	return 0;
1174}
1175
1176static int snd_fm801_dev_free(struct snd_device *device)
1177{
1178	struct fm801 *chip = device->device_data;
1179	return snd_fm801_free(chip);
1180}
1181
1182static int __devinit snd_fm801_create(struct snd_card *card,
1183				      struct pci_dev * pci,
1184				      int tea575x_tuner,
1185				      int radio_nr,
1186				      struct fm801 ** rchip)
1187{
1188	struct fm801 *chip;
1189	int err;
1190	static struct snd_device_ops ops = {
1191		.dev_free =	snd_fm801_dev_free,
1192	};
1193
1194	*rchip = NULL;
1195	if ((err = pci_enable_device(pci)) < 0)
1196		return err;
1197	chip = kzalloc(sizeof(*chip), GFP_KERNEL);
1198	if (chip == NULL) {
1199		pci_disable_device(pci);
1200		return -ENOMEM;
1201	}
1202	spin_lock_init(&chip->reg_lock);
1203	chip->card = card;
1204	chip->pci = pci;
1205	chip->irq = -1;
1206	chip->tea575x_tuner = tea575x_tuner;
1207	if ((err = pci_request_regions(pci, "FM801")) < 0) {
1208		kfree(chip);
1209		pci_disable_device(pci);
1210		return err;
1211	}
1212	chip->port = pci_resource_start(pci, 0);
1213	if ((tea575x_tuner & TUNER_ONLY) == 0) {
1214		if (request_irq(pci->irq, snd_fm801_interrupt, IRQF_SHARED,
1215				KBUILD_MODNAME, chip)) {
1216			snd_printk(KERN_ERR "unable to grab IRQ %d\n", chip->irq);
1217			snd_fm801_free(chip);
1218			return -EBUSY;
1219		}
1220		chip->irq = pci->irq;
1221		pci_set_master(pci);
1222	}
1223
1224	if (pci->revision >= 0xb1)	/* FM801-AU */
1225		chip->multichannel = 1;
1226
1227	snd_fm801_chip_init(chip, 0);
1228	/* init might set tuner access method */
1229	tea575x_tuner = chip->tea575x_tuner;
1230
1231	if (chip->irq >= 0 && (tea575x_tuner & TUNER_ONLY)) {
1232		pci_clear_master(pci);
1233		free_irq(chip->irq, chip);
1234		chip->irq = -1;
1235	}
1236
1237	if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1238		snd_fm801_free(chip);
1239		return err;
1240	}
1241
1242	snd_card_set_dev(card, &pci->dev);
1243
1244#ifdef CONFIG_SND_FM801_TEA575X_BOOL
1245	err = v4l2_device_register(&pci->dev, &chip->v4l2_dev);
1246	if (err < 0) {
1247		snd_fm801_free(chip);
1248		return err;
1249	}
1250	chip->tea.v4l2_dev = &chip->v4l2_dev;
1251	chip->tea.radio_nr = radio_nr;
1252	chip->tea.private_data = chip;
1253	chip->tea.ops = &snd_fm801_tea_ops;
1254	sprintf(chip->tea.bus_info, "PCI:%s", pci_name(pci));
1255	if ((tea575x_tuner & TUNER_TYPE_MASK) > 0 &&
1256	    (tea575x_tuner & TUNER_TYPE_MASK) < 4) {
1257		if (snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1258			snd_printk(KERN_ERR "TEA575x radio not found\n");
1259			snd_fm801_free(chip);
1260			return -ENODEV;
1261		}
1262	} else if ((tea575x_tuner & TUNER_TYPE_MASK) == 0) {
1263		/* autodetect tuner connection */
1264		for (tea575x_tuner = 1; tea575x_tuner <= 3; tea575x_tuner++) {
1265			chip->tea575x_tuner = tea575x_tuner;
1266			if (!snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1267				snd_printk(KERN_INFO "detected TEA575x radio type %s\n",
1268					   get_tea575x_gpio(chip)->name);
1269				break;
1270			}
1271		}
1272		if (tea575x_tuner == 4) {
1273			snd_printk(KERN_ERR "TEA575x radio not found\n");
1274			chip->tea575x_tuner = TUNER_DISABLED;
1275		}
1276	}
1277	if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1278		strlcpy(chip->tea.card, get_tea575x_gpio(chip)->name,
1279			sizeof(chip->tea.card));
1280	}
1281#endif
1282
1283	*rchip = chip;
1284	return 0;
1285}
1286
1287static int __devinit snd_card_fm801_probe(struct pci_dev *pci,
1288					  const struct pci_device_id *pci_id)
1289{
1290	static int dev;
1291	struct snd_card *card;
1292	struct fm801 *chip;
1293	struct snd_opl3 *opl3;
1294	int err;
1295
1296        if (dev >= SNDRV_CARDS)
1297                return -ENODEV;
1298	if (!enable[dev]) {
1299		dev++;
1300		return -ENOENT;
1301	}
1302
1303	err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
1304	if (err < 0)
1305		return err;
1306	if ((err = snd_fm801_create(card, pci, tea575x_tuner[dev], radio_nr[dev], &chip)) < 0) {
1307		snd_card_free(card);
1308		return err;
1309	}
1310	card->private_data = chip;
1311
1312	strcpy(card->driver, "FM801");
1313	strcpy(card->shortname, "ForteMedia FM801-");
1314	strcat(card->shortname, chip->multichannel ? "AU" : "AS");
1315	sprintf(card->longname, "%s at 0x%lx, irq %i",
1316		card->shortname, chip->port, chip->irq);
1317
1318	if (chip->tea575x_tuner & TUNER_ONLY)
1319		goto __fm801_tuner_only;
1320
1321	if ((err = snd_fm801_pcm(chip, 0, NULL)) < 0) {
1322		snd_card_free(card);
1323		return err;
1324	}
1325	if ((err = snd_fm801_mixer(chip)) < 0) {
1326		snd_card_free(card);
1327		return err;
1328	}
1329	if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_FM801,
1330				       FM801_REG(chip, MPU401_DATA),
1331				       MPU401_INFO_INTEGRATED |
1332				       MPU401_INFO_IRQ_HOOK,
1333				       -1, &chip->rmidi)) < 0) {
1334		snd_card_free(card);
1335		return err;
1336	}
1337	if ((err = snd_opl3_create(card, FM801_REG(chip, OPL3_BANK0),
1338				   FM801_REG(chip, OPL3_BANK1),
1339				   OPL3_HW_OPL3_FM801, 1, &opl3)) < 0) {
1340		snd_card_free(card);
1341		return err;
1342	}
1343	if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
1344		snd_card_free(card);
1345		return err;
1346	}
1347
1348      __fm801_tuner_only:
1349	if ((err = snd_card_register(card)) < 0) {
1350		snd_card_free(card);
1351		return err;
1352	}
1353	pci_set_drvdata(pci, card);
1354	dev++;
1355	return 0;
1356}
1357
1358static void __devexit snd_card_fm801_remove(struct pci_dev *pci)
1359{
1360	snd_card_free(pci_get_drvdata(pci));
1361	pci_set_drvdata(pci, NULL);
1362}
1363
1364#ifdef CONFIG_PM
1365static unsigned char saved_regs[] = {
1366	FM801_PCM_VOL, FM801_I2S_VOL, FM801_FM_VOL, FM801_REC_SRC,
1367	FM801_PLY_CTRL, FM801_PLY_COUNT, FM801_PLY_BUF1, FM801_PLY_BUF2,
1368	FM801_CAP_CTRL, FM801_CAP_COUNT, FM801_CAP_BUF1, FM801_CAP_BUF2,
1369	FM801_CODEC_CTRL, FM801_I2S_MODE, FM801_VOLUME, FM801_GEN_CTRL,
1370};
1371
1372static int snd_fm801_suspend(struct pci_dev *pci, pm_message_t state)
1373{
1374	struct snd_card *card = pci_get_drvdata(pci);
1375	struct fm801 *chip = card->private_data;
1376	int i;
1377
1378	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1379	snd_pcm_suspend_all(chip->pcm);
1380	snd_ac97_suspend(chip->ac97);
1381	snd_ac97_suspend(chip->ac97_sec);
1382	for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1383		chip->saved_regs[i] = inw(chip->port + saved_regs[i]);
1384	/* FIXME: tea575x suspend */
1385
1386	pci_disable_device(pci);
1387	pci_save_state(pci);
1388	pci_set_power_state(pci, pci_choose_state(pci, state));
1389	return 0;
1390}
1391
1392static int snd_fm801_resume(struct pci_dev *pci)
1393{
1394	struct snd_card *card = pci_get_drvdata(pci);
1395	struct fm801 *chip = card->private_data;
1396	int i;
1397
1398	pci_set_power_state(pci, PCI_D0);
1399	pci_restore_state(pci);
1400	if (pci_enable_device(pci) < 0) {
1401		printk(KERN_ERR "fm801: pci_enable_device failed, "
1402		       "disabling device\n");
1403		snd_card_disconnect(card);
1404		return -EIO;
1405	}
1406	pci_set_master(pci);
1407
1408	snd_fm801_chip_init(chip, 1);
1409	snd_ac97_resume(chip->ac97);
1410	snd_ac97_resume(chip->ac97_sec);
1411	for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1412		outw(chip->saved_regs[i], chip->port + saved_regs[i]);
1413
1414	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1415	return 0;
1416}
1417#endif
1418
1419static struct pci_driver fm801_driver = {
1420	.name = KBUILD_MODNAME,
1421	.id_table = snd_fm801_ids,
1422	.probe = snd_card_fm801_probe,
1423	.remove = __devexit_p(snd_card_fm801_remove),
1424#ifdef CONFIG_PM
1425	.suspend = snd_fm801_suspend,
1426	.resume = snd_fm801_resume,
1427#endif
1428};
1429
1430module_pci_driver(fm801_driver);