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v5.14.15
   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 *  The driver for the ForteMedia FM801 based soundcards
   4 *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
 
 
 
 
 
 
 
 
 
 
 
   5 */
   6
   7#include <linux/delay.h>
   8#include <linux/init.h>
   9#include <linux/interrupt.h>
  10#include <linux/io.h>
  11#include <linux/pci.h>
  12#include <linux/slab.h>
  13#include <linux/module.h>
  14#include <sound/core.h>
  15#include <sound/pcm.h>
  16#include <sound/tlv.h>
  17#include <sound/ac97_codec.h>
  18#include <sound/mpu401.h>
  19#include <sound/opl3.h>
  20#include <sound/initval.h>
  21
  22#ifdef CONFIG_SND_FM801_TEA575X_BOOL
  23#include <media/drv-intf/tea575x.h>
  24#endif
  25
  26MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
  27MODULE_DESCRIPTION("ForteMedia FM801");
  28MODULE_LICENSE("GPL");
 
 
  29
  30static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
  31static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
  32static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;	/* Enable this card */
  33/*
  34 *  Enable TEA575x tuner
  35 *    1 = MediaForte 256-PCS
  36 *    2 = MediaForte 256-PCP
  37 *    3 = MediaForte 64-PCR
  38 *   16 = setup tuner only (this is additional bit), i.e. SF64-PCR FM card
  39 *  High 16-bits are video (radio) device number + 1
  40 */
  41static int tea575x_tuner[SNDRV_CARDS];
  42static int radio_nr[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
  43
  44module_param_array(index, int, NULL, 0444);
  45MODULE_PARM_DESC(index, "Index value for the FM801 soundcard.");
  46module_param_array(id, charp, NULL, 0444);
  47MODULE_PARM_DESC(id, "ID string for the FM801 soundcard.");
  48module_param_array(enable, bool, NULL, 0444);
  49MODULE_PARM_DESC(enable, "Enable FM801 soundcard.");
  50module_param_array(tea575x_tuner, int, NULL, 0444);
  51MODULE_PARM_DESC(tea575x_tuner, "TEA575x tuner access method (0 = auto, 1 = SF256-PCS, 2=SF256-PCP, 3=SF64-PCR, 8=disable, +16=tuner-only).");
  52module_param_array(radio_nr, int, NULL, 0444);
  53MODULE_PARM_DESC(radio_nr, "Radio device numbers");
  54
  55
  56#define TUNER_DISABLED		(1<<3)
  57#define TUNER_ONLY		(1<<4)
  58#define TUNER_TYPE_MASK		(~TUNER_ONLY & 0xFFFF)
  59
  60/*
  61 *  Direct registers
  62 */
  63
  64#define fm801_writew(chip,reg,value)	outw((value), chip->port + FM801_##reg)
  65#define fm801_readw(chip,reg)		inw(chip->port + FM801_##reg)
  66
  67#define fm801_writel(chip,reg,value)	outl((value), chip->port + FM801_##reg)
  68
  69#define FM801_PCM_VOL		0x00	/* PCM Output Volume */
  70#define FM801_FM_VOL		0x02	/* FM Output Volume */
  71#define FM801_I2S_VOL		0x04	/* I2S Volume */
  72#define FM801_REC_SRC		0x06	/* Record Source */
  73#define FM801_PLY_CTRL		0x08	/* Playback Control */
  74#define FM801_PLY_COUNT		0x0a	/* Playback Count */
  75#define FM801_PLY_BUF1		0x0c	/* Playback Bufer I */
  76#define FM801_PLY_BUF2		0x10	/* Playback Buffer II */
  77#define FM801_CAP_CTRL		0x14	/* Capture Control */
  78#define FM801_CAP_COUNT		0x16	/* Capture Count */
  79#define FM801_CAP_BUF1		0x18	/* Capture Buffer I */
  80#define FM801_CAP_BUF2		0x1c	/* Capture Buffer II */
  81#define FM801_CODEC_CTRL	0x22	/* Codec Control */
  82#define FM801_I2S_MODE		0x24	/* I2S Mode Control */
  83#define FM801_VOLUME		0x26	/* Volume Up/Down/Mute Status */
  84#define FM801_I2C_CTRL		0x29	/* I2C Control */
  85#define FM801_AC97_CMD		0x2a	/* AC'97 Command */
  86#define FM801_AC97_DATA		0x2c	/* AC'97 Data */
  87#define FM801_MPU401_DATA	0x30	/* MPU401 Data */
  88#define FM801_MPU401_CMD	0x31	/* MPU401 Command */
  89#define FM801_GPIO_CTRL		0x52	/* General Purpose I/O Control */
  90#define FM801_GEN_CTRL		0x54	/* General Control */
  91#define FM801_IRQ_MASK		0x56	/* Interrupt Mask */
  92#define FM801_IRQ_STATUS	0x5a	/* Interrupt Status */
  93#define FM801_OPL3_BANK0	0x68	/* OPL3 Status Read / Bank 0 Write */
  94#define FM801_OPL3_DATA0	0x69	/* OPL3 Data 0 Write */
  95#define FM801_OPL3_BANK1	0x6a	/* OPL3 Bank 1 Write */
  96#define FM801_OPL3_DATA1	0x6b	/* OPL3 Bank 1 Write */
  97#define FM801_POWERDOWN		0x70	/* Blocks Power Down Control */
  98
  99/* codec access */
 100#define FM801_AC97_READ		(1<<7)	/* read=1, write=0 */
 101#define FM801_AC97_VALID	(1<<8)	/* port valid=1 */
 102#define FM801_AC97_BUSY		(1<<9)	/* busy=1 */
 103#define FM801_AC97_ADDR_SHIFT	10	/* codec id (2bit) */
 104
 105/* playback and record control register bits */
 106#define FM801_BUF1_LAST		(1<<1)
 107#define FM801_BUF2_LAST		(1<<2)
 108#define FM801_START		(1<<5)
 109#define FM801_PAUSE		(1<<6)
 110#define FM801_IMMED_STOP	(1<<7)
 111#define FM801_RATE_SHIFT	8
 112#define FM801_RATE_MASK		(15 << FM801_RATE_SHIFT)
 113#define FM801_CHANNELS_4	(1<<12)	/* playback only */
 114#define FM801_CHANNELS_6	(2<<12)	/* playback only */
 115#define FM801_CHANNELS_6MS	(3<<12)	/* playback only */
 116#define FM801_CHANNELS_MASK	(3<<12)
 117#define FM801_16BIT		(1<<14)
 118#define FM801_STEREO		(1<<15)
 119
 120/* IRQ status bits */
 121#define FM801_IRQ_PLAYBACK	(1<<8)
 122#define FM801_IRQ_CAPTURE	(1<<9)
 123#define FM801_IRQ_VOLUME	(1<<14)
 124#define FM801_IRQ_MPU		(1<<15)
 125
 126/* GPIO control register */
 127#define FM801_GPIO_GP0		(1<<0)	/* read/write */
 128#define FM801_GPIO_GP1		(1<<1)
 129#define FM801_GPIO_GP2		(1<<2)
 130#define FM801_GPIO_GP3		(1<<3)
 131#define FM801_GPIO_GP(x)	(1<<(0+(x)))
 132#define FM801_GPIO_GD0		(1<<8)	/* directions: 1 = input, 0 = output*/
 133#define FM801_GPIO_GD1		(1<<9)
 134#define FM801_GPIO_GD2		(1<<10)
 135#define FM801_GPIO_GD3		(1<<11)
 136#define FM801_GPIO_GD(x)	(1<<(8+(x)))
 137#define FM801_GPIO_GS0		(1<<12)	/* function select: */
 138#define FM801_GPIO_GS1		(1<<13)	/*    1 = GPIO */
 139#define FM801_GPIO_GS2		(1<<14)	/*    0 = other (S/PDIF, VOL) */
 140#define FM801_GPIO_GS3		(1<<15)
 141#define FM801_GPIO_GS(x)	(1<<(12+(x)))
 142	
 143/**
 144 * struct fm801 - describes FM801 chip
 145 * @dev:		device for this chio
 146 * @irq:		irq number
 147 * @port:		I/O port number
 148 * @multichannel:	multichannel support
 149 * @secondary:		secondary codec
 150 * @secondary_addr:	address of the secondary codec
 151 * @tea575x_tuner:	tuner access method & flags
 152 * @ply_ctrl:		playback control
 153 * @cap_ctrl:		capture control
 154 * @ply_buffer:		playback buffer
 155 * @ply_buf:		playback buffer index
 156 * @ply_count:		playback buffer count
 157 * @ply_size:		playback buffer size
 158 * @ply_pos:		playback position
 159 * @cap_buffer:		capture buffer
 160 * @cap_buf:		capture buffer index
 161 * @cap_count:		capture buffer count
 162 * @cap_size:		capture buffer size
 163 * @cap_pos:		capture position
 164 * @ac97_bus:		ac97 bus handle
 165 * @ac97:		ac97 handle
 166 * @ac97_sec:		ac97 secondary handle
 167 * @card:		ALSA card
 168 * @pcm:		PCM devices
 169 * @rmidi:		rmidi device
 170 * @playback_substream:	substream for playback
 171 * @capture_substream:	substream for capture
 172 * @p_dma_size:		playback DMA size
 173 * @c_dma_size:		capture DMA size
 174 * @reg_lock:		lock
 175 * @proc_entry:		/proc entry
 176 * @v4l2_dev:		v4l2 device
 177 * @tea:		tea575a structure
 178 * @saved_regs:		context saved during suspend
 179 */
 180struct fm801 {
 181	struct device *dev;
 182	int irq;
 183
 184	unsigned long port;
 185	unsigned int multichannel: 1,
 186		     secondary: 1;
 187	unsigned char secondary_addr;
 188	unsigned int tea575x_tuner;
 189
 190	unsigned short ply_ctrl;
 191	unsigned short cap_ctrl;
 192
 193	unsigned long ply_buffer;
 194	unsigned int ply_buf;
 195	unsigned int ply_count;
 196	unsigned int ply_size;
 197	unsigned int ply_pos;
 198
 199	unsigned long cap_buffer;
 200	unsigned int cap_buf;
 201	unsigned int cap_count;
 202	unsigned int cap_size;
 203	unsigned int cap_pos;
 204
 205	struct snd_ac97_bus *ac97_bus;
 206	struct snd_ac97 *ac97;
 207	struct snd_ac97 *ac97_sec;
 208
 209	struct snd_card *card;
 210	struct snd_pcm *pcm;
 211	struct snd_rawmidi *rmidi;
 212	struct snd_pcm_substream *playback_substream;
 213	struct snd_pcm_substream *capture_substream;
 214	unsigned int p_dma_size;
 215	unsigned int c_dma_size;
 216
 217	spinlock_t reg_lock;
 218	struct snd_info_entry *proc_entry;
 219
 220#ifdef CONFIG_SND_FM801_TEA575X_BOOL
 221	struct v4l2_device v4l2_dev;
 222	struct snd_tea575x tea;
 223#endif
 224
 225#ifdef CONFIG_PM_SLEEP
 226	u16 saved_regs[0x20];
 227#endif
 228};
 229
 230/*
 231 * IO accessors
 232 */
 233
 234static inline void fm801_iowrite16(struct fm801 *chip, unsigned short offset, u16 value)
 235{
 236	outw(value, chip->port + offset);
 237}
 238
 239static inline u16 fm801_ioread16(struct fm801 *chip, unsigned short offset)
 240{
 241	return inw(chip->port + offset);
 242}
 243
 244static const struct pci_device_id snd_fm801_ids[] = {
 245	{ 0x1319, 0x0801, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, },   /* FM801 */
 246	{ 0x5213, 0x0510, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, },   /* Gallant Odyssey Sound 4 */
 247	{ 0, }
 248};
 249
 250MODULE_DEVICE_TABLE(pci, snd_fm801_ids);
 251
 252/*
 253 *  common I/O routines
 254 */
 255
 256static bool fm801_ac97_is_ready(struct fm801 *chip, unsigned int iterations)
 257{
 258	unsigned int idx;
 259
 260	for (idx = 0; idx < iterations; idx++) {
 261		if (!(fm801_readw(chip, AC97_CMD) & FM801_AC97_BUSY))
 262			return true;
 263		udelay(10);
 264	}
 265	return false;
 266}
 267
 268static bool fm801_ac97_is_valid(struct fm801 *chip, unsigned int iterations)
 269{
 270	unsigned int idx;
 271
 272	for (idx = 0; idx < iterations; idx++) {
 273		if (fm801_readw(chip, AC97_CMD) & FM801_AC97_VALID)
 274			return true;
 275		udelay(10);
 276	}
 277	return false;
 278}
 279
 280static int snd_fm801_update_bits(struct fm801 *chip, unsigned short reg,
 281				 unsigned short mask, unsigned short value)
 282{
 283	int change;
 284	unsigned long flags;
 285	unsigned short old, new;
 286
 287	spin_lock_irqsave(&chip->reg_lock, flags);
 288	old = fm801_ioread16(chip, reg);
 289	new = (old & ~mask) | value;
 290	change = old != new;
 291	if (change)
 292		fm801_iowrite16(chip, reg, new);
 293	spin_unlock_irqrestore(&chip->reg_lock, flags);
 294	return change;
 295}
 296
 297static void snd_fm801_codec_write(struct snd_ac97 *ac97,
 298				  unsigned short reg,
 299				  unsigned short val)
 300{
 301	struct fm801 *chip = ac97->private_data;
 302
 303	/*
 304	 *  Wait until the codec interface is not ready..
 305	 */
 306	if (!fm801_ac97_is_ready(chip, 100)) {
 307		dev_err(chip->card->dev, "AC'97 interface is busy (1)\n");
 308		return;
 309	}
 310
 311	/* write data and address */
 312	fm801_writew(chip, AC97_DATA, val);
 313	fm801_writew(chip, AC97_CMD, reg | (ac97->addr << FM801_AC97_ADDR_SHIFT));
 314	/*
 315	 *  Wait until the write command is not completed..
 316	 */
 317	if (!fm801_ac97_is_ready(chip, 1000))
 318		dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n",
 319		ac97->num);
 320}
 321
 322static unsigned short snd_fm801_codec_read(struct snd_ac97 *ac97, unsigned short reg)
 323{
 324	struct fm801 *chip = ac97->private_data;
 325
 326	/*
 327	 *  Wait until the codec interface is not ready..
 328	 */
 329	if (!fm801_ac97_is_ready(chip, 100)) {
 330		dev_err(chip->card->dev, "AC'97 interface is busy (1)\n");
 331		return 0;
 332	}
 333
 334	/* read command */
 335	fm801_writew(chip, AC97_CMD,
 336		     reg | (ac97->addr << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ);
 337	if (!fm801_ac97_is_ready(chip, 100)) {
 338		dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n",
 339			ac97->num);
 340		return 0;
 341	}
 342
 343	if (!fm801_ac97_is_valid(chip, 1000)) {
 344		dev_err(chip->card->dev,
 345			"AC'97 interface #%d is not valid (2)\n", ac97->num);
 346		return 0;
 347	}
 348
 349	return fm801_readw(chip, AC97_DATA);
 350}
 351
 352static const unsigned int rates[] = {
 353  5500,  8000,  9600, 11025,
 354  16000, 19200, 22050, 32000,
 355  38400, 44100, 48000
 356};
 357
 358static const struct snd_pcm_hw_constraint_list hw_constraints_rates = {
 359	.count = ARRAY_SIZE(rates),
 360	.list = rates,
 361	.mask = 0,
 362};
 363
 364static const unsigned int channels[] = {
 365  2, 4, 6
 366};
 367
 368static const struct snd_pcm_hw_constraint_list hw_constraints_channels = {
 369	.count = ARRAY_SIZE(channels),
 370	.list = channels,
 371	.mask = 0,
 372};
 373
 374/*
 375 *  Sample rate routines
 376 */
 377
 378static unsigned short snd_fm801_rate_bits(unsigned int rate)
 379{
 380	unsigned int idx;
 381
 382	for (idx = 0; idx < ARRAY_SIZE(rates); idx++)
 383		if (rates[idx] == rate)
 384			return idx;
 385	snd_BUG();
 386	return ARRAY_SIZE(rates) - 1;
 387}
 388
 389/*
 390 *  PCM part
 391 */
 392
 393static int snd_fm801_playback_trigger(struct snd_pcm_substream *substream,
 394				      int cmd)
 395{
 396	struct fm801 *chip = snd_pcm_substream_chip(substream);
 397
 398	spin_lock(&chip->reg_lock);
 399	switch (cmd) {
 400	case SNDRV_PCM_TRIGGER_START:
 401		chip->ply_ctrl &= ~(FM801_BUF1_LAST |
 402				     FM801_BUF2_LAST |
 403				     FM801_PAUSE);
 404		chip->ply_ctrl |= FM801_START |
 405				   FM801_IMMED_STOP;
 406		break;
 407	case SNDRV_PCM_TRIGGER_STOP:
 408		chip->ply_ctrl &= ~(FM801_START | FM801_PAUSE);
 409		break;
 410	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 411	case SNDRV_PCM_TRIGGER_SUSPEND:
 412		chip->ply_ctrl |= FM801_PAUSE;
 413		break;
 414	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 415	case SNDRV_PCM_TRIGGER_RESUME:
 416		chip->ply_ctrl &= ~FM801_PAUSE;
 417		break;
 418	default:
 419		spin_unlock(&chip->reg_lock);
 420		snd_BUG();
 421		return -EINVAL;
 422	}
 423	fm801_writew(chip, PLY_CTRL, chip->ply_ctrl);
 424	spin_unlock(&chip->reg_lock);
 425	return 0;
 426}
 427
 428static int snd_fm801_capture_trigger(struct snd_pcm_substream *substream,
 429				     int cmd)
 430{
 431	struct fm801 *chip = snd_pcm_substream_chip(substream);
 432
 433	spin_lock(&chip->reg_lock);
 434	switch (cmd) {
 435	case SNDRV_PCM_TRIGGER_START:
 436		chip->cap_ctrl &= ~(FM801_BUF1_LAST |
 437				     FM801_BUF2_LAST |
 438				     FM801_PAUSE);
 439		chip->cap_ctrl |= FM801_START |
 440				   FM801_IMMED_STOP;
 441		break;
 442	case SNDRV_PCM_TRIGGER_STOP:
 443		chip->cap_ctrl &= ~(FM801_START | FM801_PAUSE);
 444		break;
 445	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 446	case SNDRV_PCM_TRIGGER_SUSPEND:
 447		chip->cap_ctrl |= FM801_PAUSE;
 448		break;
 449	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 450	case SNDRV_PCM_TRIGGER_RESUME:
 451		chip->cap_ctrl &= ~FM801_PAUSE;
 452		break;
 453	default:
 454		spin_unlock(&chip->reg_lock);
 455		snd_BUG();
 456		return -EINVAL;
 457	}
 458	fm801_writew(chip, CAP_CTRL, chip->cap_ctrl);
 459	spin_unlock(&chip->reg_lock);
 460	return 0;
 461}
 462
 
 
 
 
 
 
 
 
 
 
 
 463static int snd_fm801_playback_prepare(struct snd_pcm_substream *substream)
 464{
 465	struct fm801 *chip = snd_pcm_substream_chip(substream);
 466	struct snd_pcm_runtime *runtime = substream->runtime;
 467
 468	chip->ply_size = snd_pcm_lib_buffer_bytes(substream);
 469	chip->ply_count = snd_pcm_lib_period_bytes(substream);
 470	spin_lock_irq(&chip->reg_lock);
 471	chip->ply_ctrl &= ~(FM801_START | FM801_16BIT |
 472			     FM801_STEREO | FM801_RATE_MASK |
 473			     FM801_CHANNELS_MASK);
 474	if (snd_pcm_format_width(runtime->format) == 16)
 475		chip->ply_ctrl |= FM801_16BIT;
 476	if (runtime->channels > 1) {
 477		chip->ply_ctrl |= FM801_STEREO;
 478		if (runtime->channels == 4)
 479			chip->ply_ctrl |= FM801_CHANNELS_4;
 480		else if (runtime->channels == 6)
 481			chip->ply_ctrl |= FM801_CHANNELS_6;
 482	}
 483	chip->ply_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
 484	chip->ply_buf = 0;
 485	fm801_writew(chip, PLY_CTRL, chip->ply_ctrl);
 486	fm801_writew(chip, PLY_COUNT, chip->ply_count - 1);
 487	chip->ply_buffer = runtime->dma_addr;
 488	chip->ply_pos = 0;
 489	fm801_writel(chip, PLY_BUF1, chip->ply_buffer);
 490	fm801_writel(chip, PLY_BUF2,
 491		     chip->ply_buffer + (chip->ply_count % chip->ply_size));
 492	spin_unlock_irq(&chip->reg_lock);
 493	return 0;
 494}
 495
 496static int snd_fm801_capture_prepare(struct snd_pcm_substream *substream)
 497{
 498	struct fm801 *chip = snd_pcm_substream_chip(substream);
 499	struct snd_pcm_runtime *runtime = substream->runtime;
 500
 501	chip->cap_size = snd_pcm_lib_buffer_bytes(substream);
 502	chip->cap_count = snd_pcm_lib_period_bytes(substream);
 503	spin_lock_irq(&chip->reg_lock);
 504	chip->cap_ctrl &= ~(FM801_START | FM801_16BIT |
 505			     FM801_STEREO | FM801_RATE_MASK);
 506	if (snd_pcm_format_width(runtime->format) == 16)
 507		chip->cap_ctrl |= FM801_16BIT;
 508	if (runtime->channels > 1)
 509		chip->cap_ctrl |= FM801_STEREO;
 510	chip->cap_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
 511	chip->cap_buf = 0;
 512	fm801_writew(chip, CAP_CTRL, chip->cap_ctrl);
 513	fm801_writew(chip, CAP_COUNT, chip->cap_count - 1);
 514	chip->cap_buffer = runtime->dma_addr;
 515	chip->cap_pos = 0;
 516	fm801_writel(chip, CAP_BUF1, chip->cap_buffer);
 517	fm801_writel(chip, CAP_BUF2,
 518		     chip->cap_buffer + (chip->cap_count % chip->cap_size));
 519	spin_unlock_irq(&chip->reg_lock);
 520	return 0;
 521}
 522
 523static snd_pcm_uframes_t snd_fm801_playback_pointer(struct snd_pcm_substream *substream)
 524{
 525	struct fm801 *chip = snd_pcm_substream_chip(substream);
 526	size_t ptr;
 527
 528	if (!(chip->ply_ctrl & FM801_START))
 529		return 0;
 530	spin_lock(&chip->reg_lock);
 531	ptr = chip->ply_pos + (chip->ply_count - 1) - fm801_readw(chip, PLY_COUNT);
 532	if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_PLAYBACK) {
 533		ptr += chip->ply_count;
 534		ptr %= chip->ply_size;
 535	}
 536	spin_unlock(&chip->reg_lock);
 537	return bytes_to_frames(substream->runtime, ptr);
 538}
 539
 540static snd_pcm_uframes_t snd_fm801_capture_pointer(struct snd_pcm_substream *substream)
 541{
 542	struct fm801 *chip = snd_pcm_substream_chip(substream);
 543	size_t ptr;
 544
 545	if (!(chip->cap_ctrl & FM801_START))
 546		return 0;
 547	spin_lock(&chip->reg_lock);
 548	ptr = chip->cap_pos + (chip->cap_count - 1) - fm801_readw(chip, CAP_COUNT);
 549	if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_CAPTURE) {
 550		ptr += chip->cap_count;
 551		ptr %= chip->cap_size;
 552	}
 553	spin_unlock(&chip->reg_lock);
 554	return bytes_to_frames(substream->runtime, ptr);
 555}
 556
 557static irqreturn_t snd_fm801_interrupt(int irq, void *dev_id)
 558{
 559	struct fm801 *chip = dev_id;
 560	unsigned short status;
 561	unsigned int tmp;
 562
 563	status = fm801_readw(chip, IRQ_STATUS);
 564	status &= FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU|FM801_IRQ_VOLUME;
 565	if (! status)
 566		return IRQ_NONE;
 567	/* ack first */
 568	fm801_writew(chip, IRQ_STATUS, status);
 569	if (chip->pcm && (status & FM801_IRQ_PLAYBACK) && chip->playback_substream) {
 570		spin_lock(&chip->reg_lock);
 571		chip->ply_buf++;
 572		chip->ply_pos += chip->ply_count;
 573		chip->ply_pos %= chip->ply_size;
 574		tmp = chip->ply_pos + chip->ply_count;
 575		tmp %= chip->ply_size;
 576		if (chip->ply_buf & 1)
 577			fm801_writel(chip, PLY_BUF1, chip->ply_buffer + tmp);
 578		else
 579			fm801_writel(chip, PLY_BUF2, chip->ply_buffer + tmp);
 580		spin_unlock(&chip->reg_lock);
 581		snd_pcm_period_elapsed(chip->playback_substream);
 582	}
 583	if (chip->pcm && (status & FM801_IRQ_CAPTURE) && chip->capture_substream) {
 584		spin_lock(&chip->reg_lock);
 585		chip->cap_buf++;
 586		chip->cap_pos += chip->cap_count;
 587		chip->cap_pos %= chip->cap_size;
 588		tmp = chip->cap_pos + chip->cap_count;
 589		tmp %= chip->cap_size;
 590		if (chip->cap_buf & 1)
 591			fm801_writel(chip, CAP_BUF1, chip->cap_buffer + tmp);
 592		else
 593			fm801_writel(chip, CAP_BUF2, chip->cap_buffer + tmp);
 594		spin_unlock(&chip->reg_lock);
 595		snd_pcm_period_elapsed(chip->capture_substream);
 596	}
 597	if (chip->rmidi && (status & FM801_IRQ_MPU))
 598		snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data);
 599	if (status & FM801_IRQ_VOLUME) {
 600		/* TODO */
 601	}
 602
 603	return IRQ_HANDLED;
 604}
 605
 606static const struct snd_pcm_hardware snd_fm801_playback =
 607{
 608	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 609				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
 610				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
 611				 SNDRV_PCM_INFO_MMAP_VALID),
 612	.formats =		SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
 613	.rates =		SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
 614	.rate_min =		5500,
 615	.rate_max =		48000,
 616	.channels_min =		1,
 617	.channels_max =		2,
 618	.buffer_bytes_max =	(128*1024),
 619	.period_bytes_min =	64,
 620	.period_bytes_max =	(128*1024),
 621	.periods_min =		1,
 622	.periods_max =		1024,
 623	.fifo_size =		0,
 624};
 625
 626static const struct snd_pcm_hardware snd_fm801_capture =
 627{
 628	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 629				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
 630				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
 631				 SNDRV_PCM_INFO_MMAP_VALID),
 632	.formats =		SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
 633	.rates =		SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
 634	.rate_min =		5500,
 635	.rate_max =		48000,
 636	.channels_min =		1,
 637	.channels_max =		2,
 638	.buffer_bytes_max =	(128*1024),
 639	.period_bytes_min =	64,
 640	.period_bytes_max =	(128*1024),
 641	.periods_min =		1,
 642	.periods_max =		1024,
 643	.fifo_size =		0,
 644};
 645
 646static int snd_fm801_playback_open(struct snd_pcm_substream *substream)
 647{
 648	struct fm801 *chip = snd_pcm_substream_chip(substream);
 649	struct snd_pcm_runtime *runtime = substream->runtime;
 650	int err;
 651
 652	chip->playback_substream = substream;
 653	runtime->hw = snd_fm801_playback;
 654	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 655				   &hw_constraints_rates);
 656	if (chip->multichannel) {
 657		runtime->hw.channels_max = 6;
 658		snd_pcm_hw_constraint_list(runtime, 0,
 659					   SNDRV_PCM_HW_PARAM_CHANNELS,
 660					   &hw_constraints_channels);
 661	}
 662	err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
 663	if (err < 0)
 664		return err;
 665	return 0;
 666}
 667
 668static int snd_fm801_capture_open(struct snd_pcm_substream *substream)
 669{
 670	struct fm801 *chip = snd_pcm_substream_chip(substream);
 671	struct snd_pcm_runtime *runtime = substream->runtime;
 672	int err;
 673
 674	chip->capture_substream = substream;
 675	runtime->hw = snd_fm801_capture;
 676	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 677				   &hw_constraints_rates);
 678	err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
 679	if (err < 0)
 680		return err;
 681	return 0;
 682}
 683
 684static int snd_fm801_playback_close(struct snd_pcm_substream *substream)
 685{
 686	struct fm801 *chip = snd_pcm_substream_chip(substream);
 687
 688	chip->playback_substream = NULL;
 689	return 0;
 690}
 691
 692static int snd_fm801_capture_close(struct snd_pcm_substream *substream)
 693{
 694	struct fm801 *chip = snd_pcm_substream_chip(substream);
 695
 696	chip->capture_substream = NULL;
 697	return 0;
 698}
 699
 700static const struct snd_pcm_ops snd_fm801_playback_ops = {
 701	.open =		snd_fm801_playback_open,
 702	.close =	snd_fm801_playback_close,
 
 
 
 703	.prepare =	snd_fm801_playback_prepare,
 704	.trigger =	snd_fm801_playback_trigger,
 705	.pointer =	snd_fm801_playback_pointer,
 706};
 707
 708static const struct snd_pcm_ops snd_fm801_capture_ops = {
 709	.open =		snd_fm801_capture_open,
 710	.close =	snd_fm801_capture_close,
 
 
 
 711	.prepare =	snd_fm801_capture_prepare,
 712	.trigger =	snd_fm801_capture_trigger,
 713	.pointer =	snd_fm801_capture_pointer,
 714};
 715
 716static int snd_fm801_pcm(struct fm801 *chip, int device)
 717{
 718	struct pci_dev *pdev = to_pci_dev(chip->dev);
 719	struct snd_pcm *pcm;
 720	int err;
 721
 722	err = snd_pcm_new(chip->card, "FM801", device, 1, 1, &pcm);
 723	if (err < 0)
 724		return err;
 725
 726	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_fm801_playback_ops);
 727	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_fm801_capture_ops);
 728
 729	pcm->private_data = chip;
 730	pcm->info_flags = 0;
 731	strcpy(pcm->name, "FM801");
 732	chip->pcm = pcm;
 733
 734	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, &pdev->dev,
 735				       chip->multichannel ? 128*1024 : 64*1024, 128*1024);
 
 736
 737	return snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
 738				     snd_pcm_alt_chmaps,
 739				     chip->multichannel ? 6 : 2, 0,
 740				     NULL);
 741}
 742
 743/*
 744 *  TEA5757 radio
 745 */
 746
 747#ifdef CONFIG_SND_FM801_TEA575X_BOOL
 748
 749/* GPIO to TEA575x maps */
 750struct snd_fm801_tea575x_gpio {
 751	u8 data, clk, wren, most;
 752	char *name;
 753};
 754
 755static const struct snd_fm801_tea575x_gpio snd_fm801_tea575x_gpios[] = {
 756	{ .data = 1, .clk = 3, .wren = 2, .most = 0, .name = "SF256-PCS" },
 757	{ .data = 1, .clk = 0, .wren = 2, .most = 3, .name = "SF256-PCP" },
 758	{ .data = 2, .clk = 0, .wren = 1, .most = 3, .name = "SF64-PCR" },
 759};
 760
 761#define get_tea575x_gpio(chip) \
 762	(&snd_fm801_tea575x_gpios[((chip)->tea575x_tuner & TUNER_TYPE_MASK) - 1])
 763
 764static void snd_fm801_tea575x_set_pins(struct snd_tea575x *tea, u8 pins)
 765{
 766	struct fm801 *chip = tea->private_data;
 767	unsigned short reg = fm801_readw(chip, GPIO_CTRL);
 768	struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
 769
 770	reg &= ~(FM801_GPIO_GP(gpio.data) |
 771		 FM801_GPIO_GP(gpio.clk) |
 772		 FM801_GPIO_GP(gpio.wren));
 773
 774	reg |= (pins & TEA575X_DATA) ? FM801_GPIO_GP(gpio.data) : 0;
 775	reg |= (pins & TEA575X_CLK)  ? FM801_GPIO_GP(gpio.clk) : 0;
 776	/* WRITE_ENABLE is inverted */
 777	reg |= (pins & TEA575X_WREN) ? 0 : FM801_GPIO_GP(gpio.wren);
 778
 779	fm801_writew(chip, GPIO_CTRL, reg);
 780}
 781
 782static u8 snd_fm801_tea575x_get_pins(struct snd_tea575x *tea)
 783{
 784	struct fm801 *chip = tea->private_data;
 785	unsigned short reg = fm801_readw(chip, GPIO_CTRL);
 786	struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
 787	u8 ret;
 788
 789	ret = 0;
 790	if (reg & FM801_GPIO_GP(gpio.data))
 791		ret |= TEA575X_DATA;
 792	if (reg & FM801_GPIO_GP(gpio.most))
 793		ret |= TEA575X_MOST;
 794	return ret;
 795}
 796
 797static void snd_fm801_tea575x_set_direction(struct snd_tea575x *tea, bool output)
 798{
 799	struct fm801 *chip = tea->private_data;
 800	unsigned short reg = fm801_readw(chip, GPIO_CTRL);
 801	struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
 802
 803	/* use GPIO lines and set write enable bit */
 804	reg |= FM801_GPIO_GS(gpio.data) |
 805	       FM801_GPIO_GS(gpio.wren) |
 806	       FM801_GPIO_GS(gpio.clk) |
 807	       FM801_GPIO_GS(gpio.most);
 808	if (output) {
 809		/* all of lines are in the write direction */
 810		/* clear data and clock lines */
 811		reg &= ~(FM801_GPIO_GD(gpio.data) |
 812			 FM801_GPIO_GD(gpio.wren) |
 813			 FM801_GPIO_GD(gpio.clk) |
 814			 FM801_GPIO_GP(gpio.data) |
 815			 FM801_GPIO_GP(gpio.clk) |
 816			 FM801_GPIO_GP(gpio.wren));
 817	} else {
 818		/* use GPIO lines, set data direction to input */
 819		reg |= FM801_GPIO_GD(gpio.data) |
 820		       FM801_GPIO_GD(gpio.most) |
 821		       FM801_GPIO_GP(gpio.data) |
 822		       FM801_GPIO_GP(gpio.most) |
 823		       FM801_GPIO_GP(gpio.wren);
 824		/* all of lines are in the write direction, except data */
 825		/* clear data, write enable and clock lines */
 826		reg &= ~(FM801_GPIO_GD(gpio.wren) |
 827			 FM801_GPIO_GD(gpio.clk) |
 828			 FM801_GPIO_GP(gpio.clk));
 829	}
 830
 831	fm801_writew(chip, GPIO_CTRL, reg);
 832}
 833
 834static const struct snd_tea575x_ops snd_fm801_tea_ops = {
 835	.set_pins = snd_fm801_tea575x_set_pins,
 836	.get_pins = snd_fm801_tea575x_get_pins,
 837	.set_direction = snd_fm801_tea575x_set_direction,
 838};
 839#endif
 840
 841/*
 842 *  Mixer routines
 843 */
 844
 845#define FM801_SINGLE(xname, reg, shift, mask, invert) \
 846{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_single, \
 847  .get = snd_fm801_get_single, .put = snd_fm801_put_single, \
 848  .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
 849
 850static int snd_fm801_info_single(struct snd_kcontrol *kcontrol,
 851				 struct snd_ctl_elem_info *uinfo)
 852{
 853	int mask = (kcontrol->private_value >> 16) & 0xff;
 854
 855	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 856	uinfo->count = 1;
 857	uinfo->value.integer.min = 0;
 858	uinfo->value.integer.max = mask;
 859	return 0;
 860}
 861
 862static int snd_fm801_get_single(struct snd_kcontrol *kcontrol,
 863				struct snd_ctl_elem_value *ucontrol)
 864{
 865	struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 866	int reg = kcontrol->private_value & 0xff;
 867	int shift = (kcontrol->private_value >> 8) & 0xff;
 868	int mask = (kcontrol->private_value >> 16) & 0xff;
 869	int invert = (kcontrol->private_value >> 24) & 0xff;
 870	long *value = ucontrol->value.integer.value;
 871
 872	value[0] = (fm801_ioread16(chip, reg) >> shift) & mask;
 873	if (invert)
 874		value[0] = mask - value[0];
 875	return 0;
 876}
 877
 878static int snd_fm801_put_single(struct snd_kcontrol *kcontrol,
 879				struct snd_ctl_elem_value *ucontrol)
 880{
 881	struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 882	int reg = kcontrol->private_value & 0xff;
 883	int shift = (kcontrol->private_value >> 8) & 0xff;
 884	int mask = (kcontrol->private_value >> 16) & 0xff;
 885	int invert = (kcontrol->private_value >> 24) & 0xff;
 886	unsigned short val;
 887
 888	val = (ucontrol->value.integer.value[0] & mask);
 889	if (invert)
 890		val = mask - val;
 891	return snd_fm801_update_bits(chip, reg, mask << shift, val << shift);
 892}
 893
 894#define FM801_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
 895{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_double, \
 896  .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
 897  .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) }
 898#define FM801_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \
 899{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 900  .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
 901  .name = xname, .info = snd_fm801_info_double, \
 902  .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
 903  .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \
 904  .tlv = { .p = (xtlv) } }
 905
 906static int snd_fm801_info_double(struct snd_kcontrol *kcontrol,
 907				 struct snd_ctl_elem_info *uinfo)
 908{
 909	int mask = (kcontrol->private_value >> 16) & 0xff;
 910
 911	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 912	uinfo->count = 2;
 913	uinfo->value.integer.min = 0;
 914	uinfo->value.integer.max = mask;
 915	return 0;
 916}
 917
 918static int snd_fm801_get_double(struct snd_kcontrol *kcontrol,
 919				struct snd_ctl_elem_value *ucontrol)
 920{
 921	struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 922        int reg = kcontrol->private_value & 0xff;
 923	int shift_left = (kcontrol->private_value >> 8) & 0x0f;
 924	int shift_right = (kcontrol->private_value >> 12) & 0x0f;
 925	int mask = (kcontrol->private_value >> 16) & 0xff;
 926	int invert = (kcontrol->private_value >> 24) & 0xff;
 927	long *value = ucontrol->value.integer.value;
 928
 929	spin_lock_irq(&chip->reg_lock);
 930	value[0] = (fm801_ioread16(chip, reg) >> shift_left) & mask;
 931	value[1] = (fm801_ioread16(chip, reg) >> shift_right) & mask;
 932	spin_unlock_irq(&chip->reg_lock);
 933	if (invert) {
 934		value[0] = mask - value[0];
 935		value[1] = mask - value[1];
 936	}
 937	return 0;
 938}
 939
 940static int snd_fm801_put_double(struct snd_kcontrol *kcontrol,
 941				struct snd_ctl_elem_value *ucontrol)
 942{
 943	struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 944	int reg = kcontrol->private_value & 0xff;
 945	int shift_left = (kcontrol->private_value >> 8) & 0x0f;
 946	int shift_right = (kcontrol->private_value >> 12) & 0x0f;
 947	int mask = (kcontrol->private_value >> 16) & 0xff;
 948	int invert = (kcontrol->private_value >> 24) & 0xff;
 949	unsigned short val1, val2;
 950 
 951	val1 = ucontrol->value.integer.value[0] & mask;
 952	val2 = ucontrol->value.integer.value[1] & mask;
 953	if (invert) {
 954		val1 = mask - val1;
 955		val2 = mask - val2;
 956	}
 957	return snd_fm801_update_bits(chip, reg,
 958				     (mask << shift_left) | (mask << shift_right),
 959				     (val1 << shift_left ) | (val2 << shift_right));
 960}
 961
 962static int snd_fm801_info_mux(struct snd_kcontrol *kcontrol,
 963			      struct snd_ctl_elem_info *uinfo)
 964{
 965	static const char * const texts[5] = {
 966		"AC97 Primary", "FM", "I2S", "PCM", "AC97 Secondary"
 967	};
 968 
 969	return snd_ctl_enum_info(uinfo, 1, 5, texts);
 970}
 971
 972static int snd_fm801_get_mux(struct snd_kcontrol *kcontrol,
 973			     struct snd_ctl_elem_value *ucontrol)
 974{
 975	struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 976        unsigned short val;
 977 
 978	val = fm801_readw(chip, REC_SRC) & 7;
 979	if (val > 4)
 980		val = 4;
 981        ucontrol->value.enumerated.item[0] = val;
 982        return 0;
 983}
 984
 985static int snd_fm801_put_mux(struct snd_kcontrol *kcontrol,
 986			     struct snd_ctl_elem_value *ucontrol)
 987{
 988	struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 989        unsigned short val;
 990 
 991	val = ucontrol->value.enumerated.item[0];
 992	if (val > 4)
 993                return -EINVAL;
 994	return snd_fm801_update_bits(chip, FM801_REC_SRC, 7, val);
 995}
 996
 997static const DECLARE_TLV_DB_SCALE(db_scale_dsp, -3450, 150, 0);
 998
 999#define FM801_CONTROLS ARRAY_SIZE(snd_fm801_controls)
1000
1001static const struct snd_kcontrol_new snd_fm801_controls[] = {
1002FM801_DOUBLE_TLV("Wave Playback Volume", FM801_PCM_VOL, 0, 8, 31, 1,
1003		 db_scale_dsp),
1004FM801_SINGLE("Wave Playback Switch", FM801_PCM_VOL, 15, 1, 1),
1005FM801_DOUBLE_TLV("I2S Playback Volume", FM801_I2S_VOL, 0, 8, 31, 1,
1006		 db_scale_dsp),
1007FM801_SINGLE("I2S Playback Switch", FM801_I2S_VOL, 15, 1, 1),
1008FM801_DOUBLE_TLV("FM Playback Volume", FM801_FM_VOL, 0, 8, 31, 1,
1009		 db_scale_dsp),
1010FM801_SINGLE("FM Playback Switch", FM801_FM_VOL, 15, 1, 1),
1011{
1012	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1013	.name = "Digital Capture Source",
1014	.info = snd_fm801_info_mux,
1015	.get = snd_fm801_get_mux,
1016	.put = snd_fm801_put_mux,
1017}
1018};
1019
1020#define FM801_CONTROLS_MULTI ARRAY_SIZE(snd_fm801_controls_multi)
1021
1022static const struct snd_kcontrol_new snd_fm801_controls_multi[] = {
1023FM801_SINGLE("AC97 2ch->4ch Copy Switch", FM801_CODEC_CTRL, 7, 1, 0),
1024FM801_SINGLE("AC97 18-bit Switch", FM801_CODEC_CTRL, 10, 1, 0),
1025FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), FM801_I2S_MODE, 8, 1, 0),
1026FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",PLAYBACK,SWITCH), FM801_I2S_MODE, 9, 1, 0),
1027FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",CAPTURE,SWITCH), FM801_I2S_MODE, 10, 1, 0),
1028FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), FM801_GEN_CTRL, 2, 1, 0),
1029};
1030
1031static void snd_fm801_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
1032{
1033	struct fm801 *chip = bus->private_data;
1034	chip->ac97_bus = NULL;
1035}
1036
1037static void snd_fm801_mixer_free_ac97(struct snd_ac97 *ac97)
1038{
1039	struct fm801 *chip = ac97->private_data;
1040	if (ac97->num == 0) {
1041		chip->ac97 = NULL;
1042	} else {
1043		chip->ac97_sec = NULL;
1044	}
1045}
1046
1047static int snd_fm801_mixer(struct fm801 *chip)
1048{
1049	struct snd_ac97_template ac97;
1050	unsigned int i;
1051	int err;
1052	static const struct snd_ac97_bus_ops ops = {
1053		.write = snd_fm801_codec_write,
1054		.read = snd_fm801_codec_read,
1055	};
1056
1057	err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus);
1058	if (err < 0)
1059		return err;
1060	chip->ac97_bus->private_free = snd_fm801_mixer_free_ac97_bus;
1061
1062	memset(&ac97, 0, sizeof(ac97));
1063	ac97.private_data = chip;
1064	ac97.private_free = snd_fm801_mixer_free_ac97;
1065	err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97);
1066	if (err < 0)
1067		return err;
1068	if (chip->secondary) {
1069		ac97.num = 1;
1070		ac97.addr = chip->secondary_addr;
1071		err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_sec);
1072		if (err < 0)
1073			return err;
1074	}
1075	for (i = 0; i < FM801_CONTROLS; i++) {
1076		err = snd_ctl_add(chip->card,
1077			snd_ctl_new1(&snd_fm801_controls[i], chip));
1078		if (err < 0)
1079			return err;
1080	}
 
 
1081	if (chip->multichannel) {
1082		for (i = 0; i < FM801_CONTROLS_MULTI; i++) {
1083			err = snd_ctl_add(chip->card,
1084				snd_ctl_new1(&snd_fm801_controls_multi[i], chip));
1085			if (err < 0)
1086				return err;
1087		}
1088	}
1089	return 0;
1090}
1091
1092/*
1093 *  initialization routines
1094 */
1095
1096static int wait_for_codec(struct fm801 *chip, unsigned int codec_id,
1097			  unsigned short reg, unsigned long waits)
1098{
1099	unsigned long timeout = jiffies + waits;
1100
1101	fm801_writew(chip, AC97_CMD,
1102		     reg | (codec_id << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ);
1103	udelay(5);
1104	do {
1105		if ((fm801_readw(chip, AC97_CMD) &
1106		     (FM801_AC97_VALID | FM801_AC97_BUSY)) == FM801_AC97_VALID)
1107			return 0;
1108		schedule_timeout_uninterruptible(1);
1109	} while (time_after(timeout, jiffies));
1110	return -EIO;
1111}
1112
1113static int reset_codec(struct fm801 *chip)
1114{
1115	/* codec cold reset + AC'97 warm reset */
1116	fm801_writew(chip, CODEC_CTRL, (1 << 5) | (1 << 6));
1117	fm801_readw(chip, CODEC_CTRL); /* flush posting data */
1118	udelay(100);
1119	fm801_writew(chip, CODEC_CTRL, 0);
1120
1121	return wait_for_codec(chip, 0, AC97_RESET, msecs_to_jiffies(750));
1122}
1123
1124static void snd_fm801_chip_multichannel_init(struct fm801 *chip)
1125{
1126	unsigned short cmdw;
1127
1128	if (chip->multichannel) {
1129		if (chip->secondary_addr) {
1130			wait_for_codec(chip, chip->secondary_addr,
1131				       AC97_VENDOR_ID1, msecs_to_jiffies(50));
1132		} else {
1133			/* my card has the secondary codec */
1134			/* at address #3, so the loop is inverted */
1135			int i;
1136			for (i = 3; i > 0; i--) {
1137				if (!wait_for_codec(chip, i, AC97_VENDOR_ID1,
1138						     msecs_to_jiffies(50))) {
1139					cmdw = fm801_readw(chip, AC97_DATA);
1140					if (cmdw != 0xffff && cmdw != 0) {
1141						chip->secondary = 1;
1142						chip->secondary_addr = i;
1143						break;
1144					}
1145				}
1146			}
1147		}
1148
1149		/* the recovery phase, it seems that probing for non-existing codec might */
1150		/* cause timeout problems */
1151		wait_for_codec(chip, 0, AC97_VENDOR_ID1, msecs_to_jiffies(750));
1152	}
1153}
1154
1155static void snd_fm801_chip_init(struct fm801 *chip)
1156{
1157	unsigned short cmdw;
1158
1159	/* init volume */
1160	fm801_writew(chip, PCM_VOL, 0x0808);
1161	fm801_writew(chip, FM_VOL, 0x9f1f);
1162	fm801_writew(chip, I2S_VOL, 0x8808);
1163
1164	/* I2S control - I2S mode */
1165	fm801_writew(chip, I2S_MODE, 0x0003);
1166
1167	/* interrupt setup */
1168	cmdw = fm801_readw(chip, IRQ_MASK);
1169	if (chip->irq < 0)
1170		cmdw |= 0x00c3;		/* mask everything, no PCM nor MPU */
1171	else
1172		cmdw &= ~0x0083;	/* unmask MPU, PLAYBACK & CAPTURE */
1173	fm801_writew(chip, IRQ_MASK, cmdw);
1174
1175	/* interrupt clear */
1176	fm801_writew(chip, IRQ_STATUS,
1177		     FM801_IRQ_PLAYBACK | FM801_IRQ_CAPTURE | FM801_IRQ_MPU);
1178}
1179
1180static int snd_fm801_free(struct fm801 *chip)
1181{
1182	unsigned short cmdw;
1183
1184	if (chip->irq < 0)
1185		goto __end_hw;
1186
1187	/* interrupt setup - mask everything */
1188	cmdw = fm801_readw(chip, IRQ_MASK);
1189	cmdw |= 0x00c3;
1190	fm801_writew(chip, IRQ_MASK, cmdw);
1191
1192	devm_free_irq(chip->dev, chip->irq, chip);
1193
1194      __end_hw:
1195#ifdef CONFIG_SND_FM801_TEA575X_BOOL
1196	if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1197		snd_tea575x_exit(&chip->tea);
1198		v4l2_device_unregister(&chip->v4l2_dev);
1199	}
1200#endif
1201	return 0;
1202}
1203
1204static int snd_fm801_dev_free(struct snd_device *device)
1205{
1206	struct fm801 *chip = device->device_data;
1207	return snd_fm801_free(chip);
1208}
1209
1210static int snd_fm801_create(struct snd_card *card,
1211			    struct pci_dev *pci,
1212			    int tea575x_tuner,
1213			    int radio_nr,
1214			    struct fm801 **rchip)
1215{
1216	struct fm801 *chip;
1217	int err;
1218	static const struct snd_device_ops ops = {
1219		.dev_free =	snd_fm801_dev_free,
1220	};
1221
1222	*rchip = NULL;
1223	err = pcim_enable_device(pci);
1224	if (err < 0)
1225		return err;
1226	chip = devm_kzalloc(&pci->dev, sizeof(*chip), GFP_KERNEL);
1227	if (chip == NULL)
1228		return -ENOMEM;
1229	spin_lock_init(&chip->reg_lock);
1230	chip->card = card;
1231	chip->dev = &pci->dev;
1232	chip->irq = -1;
1233	chip->tea575x_tuner = tea575x_tuner;
1234	err = pci_request_regions(pci, "FM801");
1235	if (err < 0)
1236		return err;
1237	chip->port = pci_resource_start(pci, 0);
1238
1239	if (pci->revision >= 0xb1)	/* FM801-AU */
1240		chip->multichannel = 1;
1241
1242	if (!(chip->tea575x_tuner & TUNER_ONLY)) {
1243		if (reset_codec(chip) < 0) {
1244			dev_info(chip->card->dev,
1245				 "Primary AC'97 codec not found, assume SF64-PCR (tuner-only)\n");
1246			chip->tea575x_tuner = 3 | TUNER_ONLY;
1247		} else {
1248			snd_fm801_chip_multichannel_init(chip);
1249		}
1250	}
1251
 
 
1252	if ((chip->tea575x_tuner & TUNER_ONLY) == 0) {
1253		if (devm_request_irq(&pci->dev, pci->irq, snd_fm801_interrupt,
1254				IRQF_SHARED, KBUILD_MODNAME, chip)) {
1255			dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
1256			snd_fm801_free(chip);
1257			return -EBUSY;
1258		}
1259		chip->irq = pci->irq;
1260		card->sync_irq = chip->irq;
1261		pci_set_master(pci);
1262	}
1263
1264	snd_fm801_chip_init(chip);
1265
1266	err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
1267	if (err < 0) {
1268		snd_fm801_free(chip);
1269		return err;
1270	}
1271
1272#ifdef CONFIG_SND_FM801_TEA575X_BOOL
1273	err = v4l2_device_register(&pci->dev, &chip->v4l2_dev);
1274	if (err < 0) {
1275		snd_fm801_free(chip);
1276		return err;
1277	}
1278	chip->tea.v4l2_dev = &chip->v4l2_dev;
1279	chip->tea.radio_nr = radio_nr;
1280	chip->tea.private_data = chip;
1281	chip->tea.ops = &snd_fm801_tea_ops;
1282	sprintf(chip->tea.bus_info, "PCI:%s", pci_name(pci));
1283	if ((chip->tea575x_tuner & TUNER_TYPE_MASK) > 0 &&
1284	    (chip->tea575x_tuner & TUNER_TYPE_MASK) < 4) {
1285		if (snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1286			dev_err(card->dev, "TEA575x radio not found\n");
1287			snd_fm801_free(chip);
1288			return -ENODEV;
1289		}
1290	} else if ((chip->tea575x_tuner & TUNER_TYPE_MASK) == 0) {
1291		unsigned int tuner_only = chip->tea575x_tuner & TUNER_ONLY;
1292
1293		/* autodetect tuner connection */
1294		for (tea575x_tuner = 1; tea575x_tuner <= 3; tea575x_tuner++) {
1295			chip->tea575x_tuner = tea575x_tuner;
1296			if (!snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1297				dev_info(card->dev,
1298					 "detected TEA575x radio type %s\n",
1299					   get_tea575x_gpio(chip)->name);
1300				break;
1301			}
1302		}
1303		if (tea575x_tuner == 4) {
1304			dev_err(card->dev, "TEA575x radio not found\n");
1305			chip->tea575x_tuner = TUNER_DISABLED;
1306		}
1307
1308		chip->tea575x_tuner |= tuner_only;
1309	}
1310	if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1311		strscpy(chip->tea.card, get_tea575x_gpio(chip)->name,
1312			sizeof(chip->tea.card));
1313	}
1314#endif
1315
1316	*rchip = chip;
1317	return 0;
1318}
1319
1320static int snd_card_fm801_probe(struct pci_dev *pci,
1321				const struct pci_device_id *pci_id)
1322{
1323	static int dev;
1324	struct snd_card *card;
1325	struct fm801 *chip;
1326	struct snd_opl3 *opl3;
1327	int err;
1328
1329        if (dev >= SNDRV_CARDS)
1330                return -ENODEV;
1331	if (!enable[dev]) {
1332		dev++;
1333		return -ENOENT;
1334	}
1335
1336	err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
1337			   0, &card);
1338	if (err < 0)
1339		return err;
1340	err = snd_fm801_create(card, pci, tea575x_tuner[dev], radio_nr[dev], &chip);
1341	if (err < 0) {
1342		snd_card_free(card);
1343		return err;
1344	}
1345	card->private_data = chip;
1346
1347	strcpy(card->driver, "FM801");
1348	strcpy(card->shortname, "ForteMedia FM801-");
1349	strcat(card->shortname, chip->multichannel ? "AU" : "AS");
1350	sprintf(card->longname, "%s at 0x%lx, irq %i",
1351		card->shortname, chip->port, chip->irq);
1352
1353	if (chip->tea575x_tuner & TUNER_ONLY)
1354		goto __fm801_tuner_only;
1355
1356	err = snd_fm801_pcm(chip, 0);
1357	if (err < 0) {
1358		snd_card_free(card);
1359		return err;
1360	}
1361	err = snd_fm801_mixer(chip);
1362	if (err < 0) {
1363		snd_card_free(card);
1364		return err;
1365	}
1366	err = snd_mpu401_uart_new(card, 0, MPU401_HW_FM801,
1367				  chip->port + FM801_MPU401_DATA,
1368				  MPU401_INFO_INTEGRATED |
1369				  MPU401_INFO_IRQ_HOOK,
1370				  -1, &chip->rmidi);
1371	if (err < 0) {
1372		snd_card_free(card);
1373		return err;
1374	}
1375	err = snd_opl3_create(card, chip->port + FM801_OPL3_BANK0,
1376			      chip->port + FM801_OPL3_BANK1,
1377			      OPL3_HW_OPL3_FM801, 1, &opl3);
1378	if (err < 0) {
1379		snd_card_free(card);
1380		return err;
1381	}
1382	err = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
1383	if (err < 0) {
1384		snd_card_free(card);
1385		return err;
1386	}
1387
1388      __fm801_tuner_only:
1389	err = snd_card_register(card);
1390	if (err < 0) {
1391		snd_card_free(card);
1392		return err;
1393	}
1394	pci_set_drvdata(pci, card);
1395	dev++;
1396	return 0;
1397}
1398
1399static void snd_card_fm801_remove(struct pci_dev *pci)
1400{
1401	snd_card_free(pci_get_drvdata(pci));
1402}
1403
1404#ifdef CONFIG_PM_SLEEP
1405static const unsigned char saved_regs[] = {
1406	FM801_PCM_VOL, FM801_I2S_VOL, FM801_FM_VOL, FM801_REC_SRC,
1407	FM801_PLY_CTRL, FM801_PLY_COUNT, FM801_PLY_BUF1, FM801_PLY_BUF2,
1408	FM801_CAP_CTRL, FM801_CAP_COUNT, FM801_CAP_BUF1, FM801_CAP_BUF2,
1409	FM801_CODEC_CTRL, FM801_I2S_MODE, FM801_VOLUME, FM801_GEN_CTRL,
1410};
1411
1412static int snd_fm801_suspend(struct device *dev)
1413{
1414	struct snd_card *card = dev_get_drvdata(dev);
1415	struct fm801 *chip = card->private_data;
1416	int i;
1417
1418	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1419
1420	for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1421		chip->saved_regs[i] = fm801_ioread16(chip, saved_regs[i]);
1422
1423	if (chip->tea575x_tuner & TUNER_ONLY) {
1424		/* FIXME: tea575x suspend */
1425	} else {
 
1426		snd_ac97_suspend(chip->ac97);
1427		snd_ac97_suspend(chip->ac97_sec);
1428	}
1429
1430	return 0;
1431}
1432
1433static int snd_fm801_resume(struct device *dev)
1434{
1435	struct snd_card *card = dev_get_drvdata(dev);
1436	struct fm801 *chip = card->private_data;
1437	int i;
1438
1439	if (chip->tea575x_tuner & TUNER_ONLY) {
1440		snd_fm801_chip_init(chip);
1441	} else {
1442		reset_codec(chip);
1443		snd_fm801_chip_multichannel_init(chip);
1444		snd_fm801_chip_init(chip);
1445		snd_ac97_resume(chip->ac97);
1446		snd_ac97_resume(chip->ac97_sec);
1447	}
1448
1449	for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1450		fm801_iowrite16(chip, saved_regs[i], chip->saved_regs[i]);
1451
1452#ifdef CONFIG_SND_FM801_TEA575X_BOOL
1453	if (!(chip->tea575x_tuner & TUNER_DISABLED))
1454		snd_tea575x_set_freq(&chip->tea);
1455#endif
1456
1457	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1458	return 0;
1459}
1460
1461static SIMPLE_DEV_PM_OPS(snd_fm801_pm, snd_fm801_suspend, snd_fm801_resume);
1462#define SND_FM801_PM_OPS	&snd_fm801_pm
1463#else
1464#define SND_FM801_PM_OPS	NULL
1465#endif /* CONFIG_PM_SLEEP */
1466
1467static struct pci_driver fm801_driver = {
1468	.name = KBUILD_MODNAME,
1469	.id_table = snd_fm801_ids,
1470	.probe = snd_card_fm801_probe,
1471	.remove = snd_card_fm801_remove,
1472	.driver = {
1473		.pm = SND_FM801_PM_OPS,
1474	},
1475};
1476
1477module_pci_driver(fm801_driver);
v4.10.11
 
   1/*
   2 *  The driver for the ForteMedia FM801 based soundcards
   3 *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
   4 *
   5 *   This program is free software; you can redistribute it and/or modify
   6 *   it under the terms of the GNU General Public License as published by
   7 *   the Free Software Foundation; either version 2 of the License, or
   8 *   (at your option) any later version.
   9 *
  10 *   This program is distributed in the hope that it will be useful,
  11 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 *   GNU General Public License for more details.
  14 *
  15 */
  16
  17#include <linux/delay.h>
  18#include <linux/init.h>
  19#include <linux/interrupt.h>
  20#include <linux/io.h>
  21#include <linux/pci.h>
  22#include <linux/slab.h>
  23#include <linux/module.h>
  24#include <sound/core.h>
  25#include <sound/pcm.h>
  26#include <sound/tlv.h>
  27#include <sound/ac97_codec.h>
  28#include <sound/mpu401.h>
  29#include <sound/opl3.h>
  30#include <sound/initval.h>
  31
  32#ifdef CONFIG_SND_FM801_TEA575X_BOOL
  33#include <media/drv-intf/tea575x.h>
  34#endif
  35
  36MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
  37MODULE_DESCRIPTION("ForteMedia FM801");
  38MODULE_LICENSE("GPL");
  39MODULE_SUPPORTED_DEVICE("{{ForteMedia,FM801},"
  40		"{Genius,SoundMaker Live 5.1}}");
  41
  42static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
  43static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
  44static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;	/* Enable this card */
  45/*
  46 *  Enable TEA575x tuner
  47 *    1 = MediaForte 256-PCS
  48 *    2 = MediaForte 256-PCP
  49 *    3 = MediaForte 64-PCR
  50 *   16 = setup tuner only (this is additional bit), i.e. SF64-PCR FM card
  51 *  High 16-bits are video (radio) device number + 1
  52 */
  53static int tea575x_tuner[SNDRV_CARDS];
  54static int radio_nr[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
  55
  56module_param_array(index, int, NULL, 0444);
  57MODULE_PARM_DESC(index, "Index value for the FM801 soundcard.");
  58module_param_array(id, charp, NULL, 0444);
  59MODULE_PARM_DESC(id, "ID string for the FM801 soundcard.");
  60module_param_array(enable, bool, NULL, 0444);
  61MODULE_PARM_DESC(enable, "Enable FM801 soundcard.");
  62module_param_array(tea575x_tuner, int, NULL, 0444);
  63MODULE_PARM_DESC(tea575x_tuner, "TEA575x tuner access method (0 = auto, 1 = SF256-PCS, 2=SF256-PCP, 3=SF64-PCR, 8=disable, +16=tuner-only).");
  64module_param_array(radio_nr, int, NULL, 0444);
  65MODULE_PARM_DESC(radio_nr, "Radio device numbers");
  66
  67
  68#define TUNER_DISABLED		(1<<3)
  69#define TUNER_ONLY		(1<<4)
  70#define TUNER_TYPE_MASK		(~TUNER_ONLY & 0xFFFF)
  71
  72/*
  73 *  Direct registers
  74 */
  75
  76#define fm801_writew(chip,reg,value)	outw((value), chip->port + FM801_##reg)
  77#define fm801_readw(chip,reg)		inw(chip->port + FM801_##reg)
  78
  79#define fm801_writel(chip,reg,value)	outl((value), chip->port + FM801_##reg)
  80
  81#define FM801_PCM_VOL		0x00	/* PCM Output Volume */
  82#define FM801_FM_VOL		0x02	/* FM Output Volume */
  83#define FM801_I2S_VOL		0x04	/* I2S Volume */
  84#define FM801_REC_SRC		0x06	/* Record Source */
  85#define FM801_PLY_CTRL		0x08	/* Playback Control */
  86#define FM801_PLY_COUNT		0x0a	/* Playback Count */
  87#define FM801_PLY_BUF1		0x0c	/* Playback Bufer I */
  88#define FM801_PLY_BUF2		0x10	/* Playback Buffer II */
  89#define FM801_CAP_CTRL		0x14	/* Capture Control */
  90#define FM801_CAP_COUNT		0x16	/* Capture Count */
  91#define FM801_CAP_BUF1		0x18	/* Capture Buffer I */
  92#define FM801_CAP_BUF2		0x1c	/* Capture Buffer II */
  93#define FM801_CODEC_CTRL	0x22	/* Codec Control */
  94#define FM801_I2S_MODE		0x24	/* I2S Mode Control */
  95#define FM801_VOLUME		0x26	/* Volume Up/Down/Mute Status */
  96#define FM801_I2C_CTRL		0x29	/* I2C Control */
  97#define FM801_AC97_CMD		0x2a	/* AC'97 Command */
  98#define FM801_AC97_DATA		0x2c	/* AC'97 Data */
  99#define FM801_MPU401_DATA	0x30	/* MPU401 Data */
 100#define FM801_MPU401_CMD	0x31	/* MPU401 Command */
 101#define FM801_GPIO_CTRL		0x52	/* General Purpose I/O Control */
 102#define FM801_GEN_CTRL		0x54	/* General Control */
 103#define FM801_IRQ_MASK		0x56	/* Interrupt Mask */
 104#define FM801_IRQ_STATUS	0x5a	/* Interrupt Status */
 105#define FM801_OPL3_BANK0	0x68	/* OPL3 Status Read / Bank 0 Write */
 106#define FM801_OPL3_DATA0	0x69	/* OPL3 Data 0 Write */
 107#define FM801_OPL3_BANK1	0x6a	/* OPL3 Bank 1 Write */
 108#define FM801_OPL3_DATA1	0x6b	/* OPL3 Bank 1 Write */
 109#define FM801_POWERDOWN		0x70	/* Blocks Power Down Control */
 110
 111/* codec access */
 112#define FM801_AC97_READ		(1<<7)	/* read=1, write=0 */
 113#define FM801_AC97_VALID	(1<<8)	/* port valid=1 */
 114#define FM801_AC97_BUSY		(1<<9)	/* busy=1 */
 115#define FM801_AC97_ADDR_SHIFT	10	/* codec id (2bit) */
 116
 117/* playback and record control register bits */
 118#define FM801_BUF1_LAST		(1<<1)
 119#define FM801_BUF2_LAST		(1<<2)
 120#define FM801_START		(1<<5)
 121#define FM801_PAUSE		(1<<6)
 122#define FM801_IMMED_STOP	(1<<7)
 123#define FM801_RATE_SHIFT	8
 124#define FM801_RATE_MASK		(15 << FM801_RATE_SHIFT)
 125#define FM801_CHANNELS_4	(1<<12)	/* playback only */
 126#define FM801_CHANNELS_6	(2<<12)	/* playback only */
 127#define FM801_CHANNELS_6MS	(3<<12)	/* playback only */
 128#define FM801_CHANNELS_MASK	(3<<12)
 129#define FM801_16BIT		(1<<14)
 130#define FM801_STEREO		(1<<15)
 131
 132/* IRQ status bits */
 133#define FM801_IRQ_PLAYBACK	(1<<8)
 134#define FM801_IRQ_CAPTURE	(1<<9)
 135#define FM801_IRQ_VOLUME	(1<<14)
 136#define FM801_IRQ_MPU		(1<<15)
 137
 138/* GPIO control register */
 139#define FM801_GPIO_GP0		(1<<0)	/* read/write */
 140#define FM801_GPIO_GP1		(1<<1)
 141#define FM801_GPIO_GP2		(1<<2)
 142#define FM801_GPIO_GP3		(1<<3)
 143#define FM801_GPIO_GP(x)	(1<<(0+(x)))
 144#define FM801_GPIO_GD0		(1<<8)	/* directions: 1 = input, 0 = output*/
 145#define FM801_GPIO_GD1		(1<<9)
 146#define FM801_GPIO_GD2		(1<<10)
 147#define FM801_GPIO_GD3		(1<<11)
 148#define FM801_GPIO_GD(x)	(1<<(8+(x)))
 149#define FM801_GPIO_GS0		(1<<12)	/* function select: */
 150#define FM801_GPIO_GS1		(1<<13)	/*    1 = GPIO */
 151#define FM801_GPIO_GS2		(1<<14)	/*    0 = other (S/PDIF, VOL) */
 152#define FM801_GPIO_GS3		(1<<15)
 153#define FM801_GPIO_GS(x)	(1<<(12+(x)))
 154	
 155/**
 156 * struct fm801 - describes FM801 chip
 
 
 157 * @port:		I/O port number
 158 * @multichannel:	multichannel support
 159 * @secondary:		secondary codec
 160 * @secondary_addr:	address of the secondary codec
 161 * @tea575x_tuner:	tuner access method & flags
 162 * @ply_ctrl:		playback control
 163 * @cap_ctrl:		capture control
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 164 */
 165struct fm801 {
 166	struct device *dev;
 167	int irq;
 168
 169	unsigned long port;
 170	unsigned int multichannel: 1,
 171		     secondary: 1;
 172	unsigned char secondary_addr;
 173	unsigned int tea575x_tuner;
 174
 175	unsigned short ply_ctrl;
 176	unsigned short cap_ctrl;
 177
 178	unsigned long ply_buffer;
 179	unsigned int ply_buf;
 180	unsigned int ply_count;
 181	unsigned int ply_size;
 182	unsigned int ply_pos;
 183
 184	unsigned long cap_buffer;
 185	unsigned int cap_buf;
 186	unsigned int cap_count;
 187	unsigned int cap_size;
 188	unsigned int cap_pos;
 189
 190	struct snd_ac97_bus *ac97_bus;
 191	struct snd_ac97 *ac97;
 192	struct snd_ac97 *ac97_sec;
 193
 194	struct snd_card *card;
 195	struct snd_pcm *pcm;
 196	struct snd_rawmidi *rmidi;
 197	struct snd_pcm_substream *playback_substream;
 198	struct snd_pcm_substream *capture_substream;
 199	unsigned int p_dma_size;
 200	unsigned int c_dma_size;
 201
 202	spinlock_t reg_lock;
 203	struct snd_info_entry *proc_entry;
 204
 205#ifdef CONFIG_SND_FM801_TEA575X_BOOL
 206	struct v4l2_device v4l2_dev;
 207	struct snd_tea575x tea;
 208#endif
 209
 210#ifdef CONFIG_PM_SLEEP
 211	u16 saved_regs[0x20];
 212#endif
 213};
 214
 215/*
 216 * IO accessors
 217 */
 218
 219static inline void fm801_iowrite16(struct fm801 *chip, unsigned short offset, u16 value)
 220{
 221	outw(value, chip->port + offset);
 222}
 223
 224static inline u16 fm801_ioread16(struct fm801 *chip, unsigned short offset)
 225{
 226	return inw(chip->port + offset);
 227}
 228
 229static const struct pci_device_id snd_fm801_ids[] = {
 230	{ 0x1319, 0x0801, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, },   /* FM801 */
 231	{ 0x5213, 0x0510, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, },   /* Gallant Odyssey Sound 4 */
 232	{ 0, }
 233};
 234
 235MODULE_DEVICE_TABLE(pci, snd_fm801_ids);
 236
 237/*
 238 *  common I/O routines
 239 */
 240
 241static bool fm801_ac97_is_ready(struct fm801 *chip, unsigned int iterations)
 242{
 243	unsigned int idx;
 244
 245	for (idx = 0; idx < iterations; idx++) {
 246		if (!(fm801_readw(chip, AC97_CMD) & FM801_AC97_BUSY))
 247			return true;
 248		udelay(10);
 249	}
 250	return false;
 251}
 252
 253static bool fm801_ac97_is_valid(struct fm801 *chip, unsigned int iterations)
 254{
 255	unsigned int idx;
 256
 257	for (idx = 0; idx < iterations; idx++) {
 258		if (fm801_readw(chip, AC97_CMD) & FM801_AC97_VALID)
 259			return true;
 260		udelay(10);
 261	}
 262	return false;
 263}
 264
 265static int snd_fm801_update_bits(struct fm801 *chip, unsigned short reg,
 266				 unsigned short mask, unsigned short value)
 267{
 268	int change;
 269	unsigned long flags;
 270	unsigned short old, new;
 271
 272	spin_lock_irqsave(&chip->reg_lock, flags);
 273	old = fm801_ioread16(chip, reg);
 274	new = (old & ~mask) | value;
 275	change = old != new;
 276	if (change)
 277		fm801_iowrite16(chip, reg, new);
 278	spin_unlock_irqrestore(&chip->reg_lock, flags);
 279	return change;
 280}
 281
 282static void snd_fm801_codec_write(struct snd_ac97 *ac97,
 283				  unsigned short reg,
 284				  unsigned short val)
 285{
 286	struct fm801 *chip = ac97->private_data;
 287
 288	/*
 289	 *  Wait until the codec interface is not ready..
 290	 */
 291	if (!fm801_ac97_is_ready(chip, 100)) {
 292		dev_err(chip->card->dev, "AC'97 interface is busy (1)\n");
 293		return;
 294	}
 295
 296	/* write data and address */
 297	fm801_writew(chip, AC97_DATA, val);
 298	fm801_writew(chip, AC97_CMD, reg | (ac97->addr << FM801_AC97_ADDR_SHIFT));
 299	/*
 300	 *  Wait until the write command is not completed..
 301	 */
 302	if (!fm801_ac97_is_ready(chip, 1000))
 303		dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n",
 304		ac97->num);
 305}
 306
 307static unsigned short snd_fm801_codec_read(struct snd_ac97 *ac97, unsigned short reg)
 308{
 309	struct fm801 *chip = ac97->private_data;
 310
 311	/*
 312	 *  Wait until the codec interface is not ready..
 313	 */
 314	if (!fm801_ac97_is_ready(chip, 100)) {
 315		dev_err(chip->card->dev, "AC'97 interface is busy (1)\n");
 316		return 0;
 317	}
 318
 319	/* read command */
 320	fm801_writew(chip, AC97_CMD,
 321		     reg | (ac97->addr << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ);
 322	if (!fm801_ac97_is_ready(chip, 100)) {
 323		dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n",
 324			ac97->num);
 325		return 0;
 326	}
 327
 328	if (!fm801_ac97_is_valid(chip, 1000)) {
 329		dev_err(chip->card->dev,
 330			"AC'97 interface #%d is not valid (2)\n", ac97->num);
 331		return 0;
 332	}
 333
 334	return fm801_readw(chip, AC97_DATA);
 335}
 336
 337static unsigned int rates[] = {
 338  5500,  8000,  9600, 11025,
 339  16000, 19200, 22050, 32000,
 340  38400, 44100, 48000
 341};
 342
 343static struct snd_pcm_hw_constraint_list hw_constraints_rates = {
 344	.count = ARRAY_SIZE(rates),
 345	.list = rates,
 346	.mask = 0,
 347};
 348
 349static unsigned int channels[] = {
 350  2, 4, 6
 351};
 352
 353static struct snd_pcm_hw_constraint_list hw_constraints_channels = {
 354	.count = ARRAY_SIZE(channels),
 355	.list = channels,
 356	.mask = 0,
 357};
 358
 359/*
 360 *  Sample rate routines
 361 */
 362
 363static unsigned short snd_fm801_rate_bits(unsigned int rate)
 364{
 365	unsigned int idx;
 366
 367	for (idx = 0; idx < ARRAY_SIZE(rates); idx++)
 368		if (rates[idx] == rate)
 369			return idx;
 370	snd_BUG();
 371	return ARRAY_SIZE(rates) - 1;
 372}
 373
 374/*
 375 *  PCM part
 376 */
 377
 378static int snd_fm801_playback_trigger(struct snd_pcm_substream *substream,
 379				      int cmd)
 380{
 381	struct fm801 *chip = snd_pcm_substream_chip(substream);
 382
 383	spin_lock(&chip->reg_lock);
 384	switch (cmd) {
 385	case SNDRV_PCM_TRIGGER_START:
 386		chip->ply_ctrl &= ~(FM801_BUF1_LAST |
 387				     FM801_BUF2_LAST |
 388				     FM801_PAUSE);
 389		chip->ply_ctrl |= FM801_START |
 390				   FM801_IMMED_STOP;
 391		break;
 392	case SNDRV_PCM_TRIGGER_STOP:
 393		chip->ply_ctrl &= ~(FM801_START | FM801_PAUSE);
 394		break;
 395	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 396	case SNDRV_PCM_TRIGGER_SUSPEND:
 397		chip->ply_ctrl |= FM801_PAUSE;
 398		break;
 399	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 400	case SNDRV_PCM_TRIGGER_RESUME:
 401		chip->ply_ctrl &= ~FM801_PAUSE;
 402		break;
 403	default:
 404		spin_unlock(&chip->reg_lock);
 405		snd_BUG();
 406		return -EINVAL;
 407	}
 408	fm801_writew(chip, PLY_CTRL, chip->ply_ctrl);
 409	spin_unlock(&chip->reg_lock);
 410	return 0;
 411}
 412
 413static int snd_fm801_capture_trigger(struct snd_pcm_substream *substream,
 414				     int cmd)
 415{
 416	struct fm801 *chip = snd_pcm_substream_chip(substream);
 417
 418	spin_lock(&chip->reg_lock);
 419	switch (cmd) {
 420	case SNDRV_PCM_TRIGGER_START:
 421		chip->cap_ctrl &= ~(FM801_BUF1_LAST |
 422				     FM801_BUF2_LAST |
 423				     FM801_PAUSE);
 424		chip->cap_ctrl |= FM801_START |
 425				   FM801_IMMED_STOP;
 426		break;
 427	case SNDRV_PCM_TRIGGER_STOP:
 428		chip->cap_ctrl &= ~(FM801_START | FM801_PAUSE);
 429		break;
 430	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 431	case SNDRV_PCM_TRIGGER_SUSPEND:
 432		chip->cap_ctrl |= FM801_PAUSE;
 433		break;
 434	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 435	case SNDRV_PCM_TRIGGER_RESUME:
 436		chip->cap_ctrl &= ~FM801_PAUSE;
 437		break;
 438	default:
 439		spin_unlock(&chip->reg_lock);
 440		snd_BUG();
 441		return -EINVAL;
 442	}
 443	fm801_writew(chip, CAP_CTRL, chip->cap_ctrl);
 444	spin_unlock(&chip->reg_lock);
 445	return 0;
 446}
 447
 448static int snd_fm801_hw_params(struct snd_pcm_substream *substream,
 449			       struct snd_pcm_hw_params *hw_params)
 450{
 451	return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
 452}
 453
 454static int snd_fm801_hw_free(struct snd_pcm_substream *substream)
 455{
 456	return snd_pcm_lib_free_pages(substream);
 457}
 458
 459static int snd_fm801_playback_prepare(struct snd_pcm_substream *substream)
 460{
 461	struct fm801 *chip = snd_pcm_substream_chip(substream);
 462	struct snd_pcm_runtime *runtime = substream->runtime;
 463
 464	chip->ply_size = snd_pcm_lib_buffer_bytes(substream);
 465	chip->ply_count = snd_pcm_lib_period_bytes(substream);
 466	spin_lock_irq(&chip->reg_lock);
 467	chip->ply_ctrl &= ~(FM801_START | FM801_16BIT |
 468			     FM801_STEREO | FM801_RATE_MASK |
 469			     FM801_CHANNELS_MASK);
 470	if (snd_pcm_format_width(runtime->format) == 16)
 471		chip->ply_ctrl |= FM801_16BIT;
 472	if (runtime->channels > 1) {
 473		chip->ply_ctrl |= FM801_STEREO;
 474		if (runtime->channels == 4)
 475			chip->ply_ctrl |= FM801_CHANNELS_4;
 476		else if (runtime->channels == 6)
 477			chip->ply_ctrl |= FM801_CHANNELS_6;
 478	}
 479	chip->ply_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
 480	chip->ply_buf = 0;
 481	fm801_writew(chip, PLY_CTRL, chip->ply_ctrl);
 482	fm801_writew(chip, PLY_COUNT, chip->ply_count - 1);
 483	chip->ply_buffer = runtime->dma_addr;
 484	chip->ply_pos = 0;
 485	fm801_writel(chip, PLY_BUF1, chip->ply_buffer);
 486	fm801_writel(chip, PLY_BUF2,
 487		     chip->ply_buffer + (chip->ply_count % chip->ply_size));
 488	spin_unlock_irq(&chip->reg_lock);
 489	return 0;
 490}
 491
 492static int snd_fm801_capture_prepare(struct snd_pcm_substream *substream)
 493{
 494	struct fm801 *chip = snd_pcm_substream_chip(substream);
 495	struct snd_pcm_runtime *runtime = substream->runtime;
 496
 497	chip->cap_size = snd_pcm_lib_buffer_bytes(substream);
 498	chip->cap_count = snd_pcm_lib_period_bytes(substream);
 499	spin_lock_irq(&chip->reg_lock);
 500	chip->cap_ctrl &= ~(FM801_START | FM801_16BIT |
 501			     FM801_STEREO | FM801_RATE_MASK);
 502	if (snd_pcm_format_width(runtime->format) == 16)
 503		chip->cap_ctrl |= FM801_16BIT;
 504	if (runtime->channels > 1)
 505		chip->cap_ctrl |= FM801_STEREO;
 506	chip->cap_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
 507	chip->cap_buf = 0;
 508	fm801_writew(chip, CAP_CTRL, chip->cap_ctrl);
 509	fm801_writew(chip, CAP_COUNT, chip->cap_count - 1);
 510	chip->cap_buffer = runtime->dma_addr;
 511	chip->cap_pos = 0;
 512	fm801_writel(chip, CAP_BUF1, chip->cap_buffer);
 513	fm801_writel(chip, CAP_BUF2,
 514		     chip->cap_buffer + (chip->cap_count % chip->cap_size));
 515	spin_unlock_irq(&chip->reg_lock);
 516	return 0;
 517}
 518
 519static snd_pcm_uframes_t snd_fm801_playback_pointer(struct snd_pcm_substream *substream)
 520{
 521	struct fm801 *chip = snd_pcm_substream_chip(substream);
 522	size_t ptr;
 523
 524	if (!(chip->ply_ctrl & FM801_START))
 525		return 0;
 526	spin_lock(&chip->reg_lock);
 527	ptr = chip->ply_pos + (chip->ply_count - 1) - fm801_readw(chip, PLY_COUNT);
 528	if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_PLAYBACK) {
 529		ptr += chip->ply_count;
 530		ptr %= chip->ply_size;
 531	}
 532	spin_unlock(&chip->reg_lock);
 533	return bytes_to_frames(substream->runtime, ptr);
 534}
 535
 536static snd_pcm_uframes_t snd_fm801_capture_pointer(struct snd_pcm_substream *substream)
 537{
 538	struct fm801 *chip = snd_pcm_substream_chip(substream);
 539	size_t ptr;
 540
 541	if (!(chip->cap_ctrl & FM801_START))
 542		return 0;
 543	spin_lock(&chip->reg_lock);
 544	ptr = chip->cap_pos + (chip->cap_count - 1) - fm801_readw(chip, CAP_COUNT);
 545	if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_CAPTURE) {
 546		ptr += chip->cap_count;
 547		ptr %= chip->cap_size;
 548	}
 549	spin_unlock(&chip->reg_lock);
 550	return bytes_to_frames(substream->runtime, ptr);
 551}
 552
 553static irqreturn_t snd_fm801_interrupt(int irq, void *dev_id)
 554{
 555	struct fm801 *chip = dev_id;
 556	unsigned short status;
 557	unsigned int tmp;
 558
 559	status = fm801_readw(chip, IRQ_STATUS);
 560	status &= FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU|FM801_IRQ_VOLUME;
 561	if (! status)
 562		return IRQ_NONE;
 563	/* ack first */
 564	fm801_writew(chip, IRQ_STATUS, status);
 565	if (chip->pcm && (status & FM801_IRQ_PLAYBACK) && chip->playback_substream) {
 566		spin_lock(&chip->reg_lock);
 567		chip->ply_buf++;
 568		chip->ply_pos += chip->ply_count;
 569		chip->ply_pos %= chip->ply_size;
 570		tmp = chip->ply_pos + chip->ply_count;
 571		tmp %= chip->ply_size;
 572		if (chip->ply_buf & 1)
 573			fm801_writel(chip, PLY_BUF1, chip->ply_buffer + tmp);
 574		else
 575			fm801_writel(chip, PLY_BUF2, chip->ply_buffer + tmp);
 576		spin_unlock(&chip->reg_lock);
 577		snd_pcm_period_elapsed(chip->playback_substream);
 578	}
 579	if (chip->pcm && (status & FM801_IRQ_CAPTURE) && chip->capture_substream) {
 580		spin_lock(&chip->reg_lock);
 581		chip->cap_buf++;
 582		chip->cap_pos += chip->cap_count;
 583		chip->cap_pos %= chip->cap_size;
 584		tmp = chip->cap_pos + chip->cap_count;
 585		tmp %= chip->cap_size;
 586		if (chip->cap_buf & 1)
 587			fm801_writel(chip, CAP_BUF1, chip->cap_buffer + tmp);
 588		else
 589			fm801_writel(chip, CAP_BUF2, chip->cap_buffer + tmp);
 590		spin_unlock(&chip->reg_lock);
 591		snd_pcm_period_elapsed(chip->capture_substream);
 592	}
 593	if (chip->rmidi && (status & FM801_IRQ_MPU))
 594		snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data);
 595	if (status & FM801_IRQ_VOLUME) {
 596		/* TODO */
 597	}
 598
 599	return IRQ_HANDLED;
 600}
 601
 602static struct snd_pcm_hardware snd_fm801_playback =
 603{
 604	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 605				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
 606				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
 607				 SNDRV_PCM_INFO_MMAP_VALID),
 608	.formats =		SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
 609	.rates =		SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
 610	.rate_min =		5500,
 611	.rate_max =		48000,
 612	.channels_min =		1,
 613	.channels_max =		2,
 614	.buffer_bytes_max =	(128*1024),
 615	.period_bytes_min =	64,
 616	.period_bytes_max =	(128*1024),
 617	.periods_min =		1,
 618	.periods_max =		1024,
 619	.fifo_size =		0,
 620};
 621
 622static struct snd_pcm_hardware snd_fm801_capture =
 623{
 624	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 625				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
 626				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
 627				 SNDRV_PCM_INFO_MMAP_VALID),
 628	.formats =		SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
 629	.rates =		SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
 630	.rate_min =		5500,
 631	.rate_max =		48000,
 632	.channels_min =		1,
 633	.channels_max =		2,
 634	.buffer_bytes_max =	(128*1024),
 635	.period_bytes_min =	64,
 636	.period_bytes_max =	(128*1024),
 637	.periods_min =		1,
 638	.periods_max =		1024,
 639	.fifo_size =		0,
 640};
 641
 642static int snd_fm801_playback_open(struct snd_pcm_substream *substream)
 643{
 644	struct fm801 *chip = snd_pcm_substream_chip(substream);
 645	struct snd_pcm_runtime *runtime = substream->runtime;
 646	int err;
 647
 648	chip->playback_substream = substream;
 649	runtime->hw = snd_fm801_playback;
 650	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 651				   &hw_constraints_rates);
 652	if (chip->multichannel) {
 653		runtime->hw.channels_max = 6;
 654		snd_pcm_hw_constraint_list(runtime, 0,
 655					   SNDRV_PCM_HW_PARAM_CHANNELS,
 656					   &hw_constraints_channels);
 657	}
 658	if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
 
 659		return err;
 660	return 0;
 661}
 662
 663static int snd_fm801_capture_open(struct snd_pcm_substream *substream)
 664{
 665	struct fm801 *chip = snd_pcm_substream_chip(substream);
 666	struct snd_pcm_runtime *runtime = substream->runtime;
 667	int err;
 668
 669	chip->capture_substream = substream;
 670	runtime->hw = snd_fm801_capture;
 671	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 672				   &hw_constraints_rates);
 673	if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
 
 674		return err;
 675	return 0;
 676}
 677
 678static int snd_fm801_playback_close(struct snd_pcm_substream *substream)
 679{
 680	struct fm801 *chip = snd_pcm_substream_chip(substream);
 681
 682	chip->playback_substream = NULL;
 683	return 0;
 684}
 685
 686static int snd_fm801_capture_close(struct snd_pcm_substream *substream)
 687{
 688	struct fm801 *chip = snd_pcm_substream_chip(substream);
 689
 690	chip->capture_substream = NULL;
 691	return 0;
 692}
 693
 694static const struct snd_pcm_ops snd_fm801_playback_ops = {
 695	.open =		snd_fm801_playback_open,
 696	.close =	snd_fm801_playback_close,
 697	.ioctl =	snd_pcm_lib_ioctl,
 698	.hw_params =	snd_fm801_hw_params,
 699	.hw_free =	snd_fm801_hw_free,
 700	.prepare =	snd_fm801_playback_prepare,
 701	.trigger =	snd_fm801_playback_trigger,
 702	.pointer =	snd_fm801_playback_pointer,
 703};
 704
 705static const struct snd_pcm_ops snd_fm801_capture_ops = {
 706	.open =		snd_fm801_capture_open,
 707	.close =	snd_fm801_capture_close,
 708	.ioctl =	snd_pcm_lib_ioctl,
 709	.hw_params =	snd_fm801_hw_params,
 710	.hw_free =	snd_fm801_hw_free,
 711	.prepare =	snd_fm801_capture_prepare,
 712	.trigger =	snd_fm801_capture_trigger,
 713	.pointer =	snd_fm801_capture_pointer,
 714};
 715
 716static int snd_fm801_pcm(struct fm801 *chip, int device)
 717{
 718	struct pci_dev *pdev = to_pci_dev(chip->dev);
 719	struct snd_pcm *pcm;
 720	int err;
 721
 722	if ((err = snd_pcm_new(chip->card, "FM801", device, 1, 1, &pcm)) < 0)
 
 723		return err;
 724
 725	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_fm801_playback_ops);
 726	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_fm801_capture_ops);
 727
 728	pcm->private_data = chip;
 729	pcm->info_flags = 0;
 730	strcpy(pcm->name, "FM801");
 731	chip->pcm = pcm;
 732
 733	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
 734					      snd_dma_pci_data(pdev),
 735					      chip->multichannel ? 128*1024 : 64*1024, 128*1024);
 736
 737	return snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
 738				     snd_pcm_alt_chmaps,
 739				     chip->multichannel ? 6 : 2, 0,
 740				     NULL);
 741}
 742
 743/*
 744 *  TEA5757 radio
 745 */
 746
 747#ifdef CONFIG_SND_FM801_TEA575X_BOOL
 748
 749/* GPIO to TEA575x maps */
 750struct snd_fm801_tea575x_gpio {
 751	u8 data, clk, wren, most;
 752	char *name;
 753};
 754
 755static struct snd_fm801_tea575x_gpio snd_fm801_tea575x_gpios[] = {
 756	{ .data = 1, .clk = 3, .wren = 2, .most = 0, .name = "SF256-PCS" },
 757	{ .data = 1, .clk = 0, .wren = 2, .most = 3, .name = "SF256-PCP" },
 758	{ .data = 2, .clk = 0, .wren = 1, .most = 3, .name = "SF64-PCR" },
 759};
 760
 761#define get_tea575x_gpio(chip) \
 762	(&snd_fm801_tea575x_gpios[((chip)->tea575x_tuner & TUNER_TYPE_MASK) - 1])
 763
 764static void snd_fm801_tea575x_set_pins(struct snd_tea575x *tea, u8 pins)
 765{
 766	struct fm801 *chip = tea->private_data;
 767	unsigned short reg = fm801_readw(chip, GPIO_CTRL);
 768	struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
 769
 770	reg &= ~(FM801_GPIO_GP(gpio.data) |
 771		 FM801_GPIO_GP(gpio.clk) |
 772		 FM801_GPIO_GP(gpio.wren));
 773
 774	reg |= (pins & TEA575X_DATA) ? FM801_GPIO_GP(gpio.data) : 0;
 775	reg |= (pins & TEA575X_CLK)  ? FM801_GPIO_GP(gpio.clk) : 0;
 776	/* WRITE_ENABLE is inverted */
 777	reg |= (pins & TEA575X_WREN) ? 0 : FM801_GPIO_GP(gpio.wren);
 778
 779	fm801_writew(chip, GPIO_CTRL, reg);
 780}
 781
 782static u8 snd_fm801_tea575x_get_pins(struct snd_tea575x *tea)
 783{
 784	struct fm801 *chip = tea->private_data;
 785	unsigned short reg = fm801_readw(chip, GPIO_CTRL);
 786	struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
 787	u8 ret;
 788
 789	ret = 0;
 790	if (reg & FM801_GPIO_GP(gpio.data))
 791		ret |= TEA575X_DATA;
 792	if (reg & FM801_GPIO_GP(gpio.most))
 793		ret |= TEA575X_MOST;
 794	return ret;
 795}
 796
 797static void snd_fm801_tea575x_set_direction(struct snd_tea575x *tea, bool output)
 798{
 799	struct fm801 *chip = tea->private_data;
 800	unsigned short reg = fm801_readw(chip, GPIO_CTRL);
 801	struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
 802
 803	/* use GPIO lines and set write enable bit */
 804	reg |= FM801_GPIO_GS(gpio.data) |
 805	       FM801_GPIO_GS(gpio.wren) |
 806	       FM801_GPIO_GS(gpio.clk) |
 807	       FM801_GPIO_GS(gpio.most);
 808	if (output) {
 809		/* all of lines are in the write direction */
 810		/* clear data and clock lines */
 811		reg &= ~(FM801_GPIO_GD(gpio.data) |
 812			 FM801_GPIO_GD(gpio.wren) |
 813			 FM801_GPIO_GD(gpio.clk) |
 814			 FM801_GPIO_GP(gpio.data) |
 815			 FM801_GPIO_GP(gpio.clk) |
 816			 FM801_GPIO_GP(gpio.wren));
 817	} else {
 818		/* use GPIO lines, set data direction to input */
 819		reg |= FM801_GPIO_GD(gpio.data) |
 820		       FM801_GPIO_GD(gpio.most) |
 821		       FM801_GPIO_GP(gpio.data) |
 822		       FM801_GPIO_GP(gpio.most) |
 823		       FM801_GPIO_GP(gpio.wren);
 824		/* all of lines are in the write direction, except data */
 825		/* clear data, write enable and clock lines */
 826		reg &= ~(FM801_GPIO_GD(gpio.wren) |
 827			 FM801_GPIO_GD(gpio.clk) |
 828			 FM801_GPIO_GP(gpio.clk));
 829	}
 830
 831	fm801_writew(chip, GPIO_CTRL, reg);
 832}
 833
 834static const struct snd_tea575x_ops snd_fm801_tea_ops = {
 835	.set_pins = snd_fm801_tea575x_set_pins,
 836	.get_pins = snd_fm801_tea575x_get_pins,
 837	.set_direction = snd_fm801_tea575x_set_direction,
 838};
 839#endif
 840
 841/*
 842 *  Mixer routines
 843 */
 844
 845#define FM801_SINGLE(xname, reg, shift, mask, invert) \
 846{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_single, \
 847  .get = snd_fm801_get_single, .put = snd_fm801_put_single, \
 848  .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
 849
 850static int snd_fm801_info_single(struct snd_kcontrol *kcontrol,
 851				 struct snd_ctl_elem_info *uinfo)
 852{
 853	int mask = (kcontrol->private_value >> 16) & 0xff;
 854
 855	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 856	uinfo->count = 1;
 857	uinfo->value.integer.min = 0;
 858	uinfo->value.integer.max = mask;
 859	return 0;
 860}
 861
 862static int snd_fm801_get_single(struct snd_kcontrol *kcontrol,
 863				struct snd_ctl_elem_value *ucontrol)
 864{
 865	struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 866	int reg = kcontrol->private_value & 0xff;
 867	int shift = (kcontrol->private_value >> 8) & 0xff;
 868	int mask = (kcontrol->private_value >> 16) & 0xff;
 869	int invert = (kcontrol->private_value >> 24) & 0xff;
 870	long *value = ucontrol->value.integer.value;
 871
 872	value[0] = (fm801_ioread16(chip, reg) >> shift) & mask;
 873	if (invert)
 874		value[0] = mask - value[0];
 875	return 0;
 876}
 877
 878static int snd_fm801_put_single(struct snd_kcontrol *kcontrol,
 879				struct snd_ctl_elem_value *ucontrol)
 880{
 881	struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 882	int reg = kcontrol->private_value & 0xff;
 883	int shift = (kcontrol->private_value >> 8) & 0xff;
 884	int mask = (kcontrol->private_value >> 16) & 0xff;
 885	int invert = (kcontrol->private_value >> 24) & 0xff;
 886	unsigned short val;
 887
 888	val = (ucontrol->value.integer.value[0] & mask);
 889	if (invert)
 890		val = mask - val;
 891	return snd_fm801_update_bits(chip, reg, mask << shift, val << shift);
 892}
 893
 894#define FM801_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
 895{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_double, \
 896  .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
 897  .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) }
 898#define FM801_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \
 899{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 900  .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
 901  .name = xname, .info = snd_fm801_info_double, \
 902  .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
 903  .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \
 904  .tlv = { .p = (xtlv) } }
 905
 906static int snd_fm801_info_double(struct snd_kcontrol *kcontrol,
 907				 struct snd_ctl_elem_info *uinfo)
 908{
 909	int mask = (kcontrol->private_value >> 16) & 0xff;
 910
 911	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 912	uinfo->count = 2;
 913	uinfo->value.integer.min = 0;
 914	uinfo->value.integer.max = mask;
 915	return 0;
 916}
 917
 918static int snd_fm801_get_double(struct snd_kcontrol *kcontrol,
 919				struct snd_ctl_elem_value *ucontrol)
 920{
 921	struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 922        int reg = kcontrol->private_value & 0xff;
 923	int shift_left = (kcontrol->private_value >> 8) & 0x0f;
 924	int shift_right = (kcontrol->private_value >> 12) & 0x0f;
 925	int mask = (kcontrol->private_value >> 16) & 0xff;
 926	int invert = (kcontrol->private_value >> 24) & 0xff;
 927	long *value = ucontrol->value.integer.value;
 928
 929	spin_lock_irq(&chip->reg_lock);
 930	value[0] = (fm801_ioread16(chip, reg) >> shift_left) & mask;
 931	value[1] = (fm801_ioread16(chip, reg) >> shift_right) & mask;
 932	spin_unlock_irq(&chip->reg_lock);
 933	if (invert) {
 934		value[0] = mask - value[0];
 935		value[1] = mask - value[1];
 936	}
 937	return 0;
 938}
 939
 940static int snd_fm801_put_double(struct snd_kcontrol *kcontrol,
 941				struct snd_ctl_elem_value *ucontrol)
 942{
 943	struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 944	int reg = kcontrol->private_value & 0xff;
 945	int shift_left = (kcontrol->private_value >> 8) & 0x0f;
 946	int shift_right = (kcontrol->private_value >> 12) & 0x0f;
 947	int mask = (kcontrol->private_value >> 16) & 0xff;
 948	int invert = (kcontrol->private_value >> 24) & 0xff;
 949	unsigned short val1, val2;
 950 
 951	val1 = ucontrol->value.integer.value[0] & mask;
 952	val2 = ucontrol->value.integer.value[1] & mask;
 953	if (invert) {
 954		val1 = mask - val1;
 955		val2 = mask - val2;
 956	}
 957	return snd_fm801_update_bits(chip, reg,
 958				     (mask << shift_left) | (mask << shift_right),
 959				     (val1 << shift_left ) | (val2 << shift_right));
 960}
 961
 962static int snd_fm801_info_mux(struct snd_kcontrol *kcontrol,
 963			      struct snd_ctl_elem_info *uinfo)
 964{
 965	static const char * const texts[5] = {
 966		"AC97 Primary", "FM", "I2S", "PCM", "AC97 Secondary"
 967	};
 968 
 969	return snd_ctl_enum_info(uinfo, 1, 5, texts);
 970}
 971
 972static int snd_fm801_get_mux(struct snd_kcontrol *kcontrol,
 973			     struct snd_ctl_elem_value *ucontrol)
 974{
 975	struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 976        unsigned short val;
 977 
 978	val = fm801_readw(chip, REC_SRC) & 7;
 979	if (val > 4)
 980		val = 4;
 981        ucontrol->value.enumerated.item[0] = val;
 982        return 0;
 983}
 984
 985static int snd_fm801_put_mux(struct snd_kcontrol *kcontrol,
 986			     struct snd_ctl_elem_value *ucontrol)
 987{
 988	struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 989        unsigned short val;
 990 
 991        if ((val = ucontrol->value.enumerated.item[0]) > 4)
 
 992                return -EINVAL;
 993	return snd_fm801_update_bits(chip, FM801_REC_SRC, 7, val);
 994}
 995
 996static const DECLARE_TLV_DB_SCALE(db_scale_dsp, -3450, 150, 0);
 997
 998#define FM801_CONTROLS ARRAY_SIZE(snd_fm801_controls)
 999
1000static struct snd_kcontrol_new snd_fm801_controls[] = {
1001FM801_DOUBLE_TLV("Wave Playback Volume", FM801_PCM_VOL, 0, 8, 31, 1,
1002		 db_scale_dsp),
1003FM801_SINGLE("Wave Playback Switch", FM801_PCM_VOL, 15, 1, 1),
1004FM801_DOUBLE_TLV("I2S Playback Volume", FM801_I2S_VOL, 0, 8, 31, 1,
1005		 db_scale_dsp),
1006FM801_SINGLE("I2S Playback Switch", FM801_I2S_VOL, 15, 1, 1),
1007FM801_DOUBLE_TLV("FM Playback Volume", FM801_FM_VOL, 0, 8, 31, 1,
1008		 db_scale_dsp),
1009FM801_SINGLE("FM Playback Switch", FM801_FM_VOL, 15, 1, 1),
1010{
1011	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1012	.name = "Digital Capture Source",
1013	.info = snd_fm801_info_mux,
1014	.get = snd_fm801_get_mux,
1015	.put = snd_fm801_put_mux,
1016}
1017};
1018
1019#define FM801_CONTROLS_MULTI ARRAY_SIZE(snd_fm801_controls_multi)
1020
1021static struct snd_kcontrol_new snd_fm801_controls_multi[] = {
1022FM801_SINGLE("AC97 2ch->4ch Copy Switch", FM801_CODEC_CTRL, 7, 1, 0),
1023FM801_SINGLE("AC97 18-bit Switch", FM801_CODEC_CTRL, 10, 1, 0),
1024FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), FM801_I2S_MODE, 8, 1, 0),
1025FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",PLAYBACK,SWITCH), FM801_I2S_MODE, 9, 1, 0),
1026FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",CAPTURE,SWITCH), FM801_I2S_MODE, 10, 1, 0),
1027FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), FM801_GEN_CTRL, 2, 1, 0),
1028};
1029
1030static void snd_fm801_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
1031{
1032	struct fm801 *chip = bus->private_data;
1033	chip->ac97_bus = NULL;
1034}
1035
1036static void snd_fm801_mixer_free_ac97(struct snd_ac97 *ac97)
1037{
1038	struct fm801 *chip = ac97->private_data;
1039	if (ac97->num == 0) {
1040		chip->ac97 = NULL;
1041	} else {
1042		chip->ac97_sec = NULL;
1043	}
1044}
1045
1046static int snd_fm801_mixer(struct fm801 *chip)
1047{
1048	struct snd_ac97_template ac97;
1049	unsigned int i;
1050	int err;
1051	static struct snd_ac97_bus_ops ops = {
1052		.write = snd_fm801_codec_write,
1053		.read = snd_fm801_codec_read,
1054	};
1055
1056	if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0)
 
1057		return err;
1058	chip->ac97_bus->private_free = snd_fm801_mixer_free_ac97_bus;
1059
1060	memset(&ac97, 0, sizeof(ac97));
1061	ac97.private_data = chip;
1062	ac97.private_free = snd_fm801_mixer_free_ac97;
1063	if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0)
 
1064		return err;
1065	if (chip->secondary) {
1066		ac97.num = 1;
1067		ac97.addr = chip->secondary_addr;
1068		if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_sec)) < 0)
 
 
 
 
 
 
 
1069			return err;
1070	}
1071	for (i = 0; i < FM801_CONTROLS; i++)
1072		snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls[i], chip));
1073	if (chip->multichannel) {
1074		for (i = 0; i < FM801_CONTROLS_MULTI; i++)
1075			snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls_multi[i], chip));
 
 
 
 
1076	}
1077	return 0;
1078}
1079
1080/*
1081 *  initialization routines
1082 */
1083
1084static int wait_for_codec(struct fm801 *chip, unsigned int codec_id,
1085			  unsigned short reg, unsigned long waits)
1086{
1087	unsigned long timeout = jiffies + waits;
1088
1089	fm801_writew(chip, AC97_CMD,
1090		     reg | (codec_id << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ);
1091	udelay(5);
1092	do {
1093		if ((fm801_readw(chip, AC97_CMD) &
1094		     (FM801_AC97_VALID | FM801_AC97_BUSY)) == FM801_AC97_VALID)
1095			return 0;
1096		schedule_timeout_uninterruptible(1);
1097	} while (time_after(timeout, jiffies));
1098	return -EIO;
1099}
1100
1101static int reset_codec(struct fm801 *chip)
1102{
1103	/* codec cold reset + AC'97 warm reset */
1104	fm801_writew(chip, CODEC_CTRL, (1 << 5) | (1 << 6));
1105	fm801_readw(chip, CODEC_CTRL); /* flush posting data */
1106	udelay(100);
1107	fm801_writew(chip, CODEC_CTRL, 0);
1108
1109	return wait_for_codec(chip, 0, AC97_RESET, msecs_to_jiffies(750));
1110}
1111
1112static void snd_fm801_chip_multichannel_init(struct fm801 *chip)
1113{
1114	unsigned short cmdw;
1115
1116	if (chip->multichannel) {
1117		if (chip->secondary_addr) {
1118			wait_for_codec(chip, chip->secondary_addr,
1119				       AC97_VENDOR_ID1, msecs_to_jiffies(50));
1120		} else {
1121			/* my card has the secondary codec */
1122			/* at address #3, so the loop is inverted */
1123			int i;
1124			for (i = 3; i > 0; i--) {
1125				if (!wait_for_codec(chip, i, AC97_VENDOR_ID1,
1126						     msecs_to_jiffies(50))) {
1127					cmdw = fm801_readw(chip, AC97_DATA);
1128					if (cmdw != 0xffff && cmdw != 0) {
1129						chip->secondary = 1;
1130						chip->secondary_addr = i;
1131						break;
1132					}
1133				}
1134			}
1135		}
1136
1137		/* the recovery phase, it seems that probing for non-existing codec might */
1138		/* cause timeout problems */
1139		wait_for_codec(chip, 0, AC97_VENDOR_ID1, msecs_to_jiffies(750));
1140	}
1141}
1142
1143static void snd_fm801_chip_init(struct fm801 *chip)
1144{
1145	unsigned short cmdw;
1146
1147	/* init volume */
1148	fm801_writew(chip, PCM_VOL, 0x0808);
1149	fm801_writew(chip, FM_VOL, 0x9f1f);
1150	fm801_writew(chip, I2S_VOL, 0x8808);
1151
1152	/* I2S control - I2S mode */
1153	fm801_writew(chip, I2S_MODE, 0x0003);
1154
1155	/* interrupt setup */
1156	cmdw = fm801_readw(chip, IRQ_MASK);
1157	if (chip->irq < 0)
1158		cmdw |= 0x00c3;		/* mask everything, no PCM nor MPU */
1159	else
1160		cmdw &= ~0x0083;	/* unmask MPU, PLAYBACK & CAPTURE */
1161	fm801_writew(chip, IRQ_MASK, cmdw);
1162
1163	/* interrupt clear */
1164	fm801_writew(chip, IRQ_STATUS,
1165		     FM801_IRQ_PLAYBACK | FM801_IRQ_CAPTURE | FM801_IRQ_MPU);
1166}
1167
1168static int snd_fm801_free(struct fm801 *chip)
1169{
1170	unsigned short cmdw;
1171
1172	if (chip->irq < 0)
1173		goto __end_hw;
1174
1175	/* interrupt setup - mask everything */
1176	cmdw = fm801_readw(chip, IRQ_MASK);
1177	cmdw |= 0x00c3;
1178	fm801_writew(chip, IRQ_MASK, cmdw);
1179
1180	devm_free_irq(chip->dev, chip->irq, chip);
1181
1182      __end_hw:
1183#ifdef CONFIG_SND_FM801_TEA575X_BOOL
1184	if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1185		snd_tea575x_exit(&chip->tea);
1186		v4l2_device_unregister(&chip->v4l2_dev);
1187	}
1188#endif
1189	return 0;
1190}
1191
1192static int snd_fm801_dev_free(struct snd_device *device)
1193{
1194	struct fm801 *chip = device->device_data;
1195	return snd_fm801_free(chip);
1196}
1197
1198static int snd_fm801_create(struct snd_card *card,
1199			    struct pci_dev *pci,
1200			    int tea575x_tuner,
1201			    int radio_nr,
1202			    struct fm801 **rchip)
1203{
1204	struct fm801 *chip;
1205	int err;
1206	static struct snd_device_ops ops = {
1207		.dev_free =	snd_fm801_dev_free,
1208	};
1209
1210	*rchip = NULL;
1211	if ((err = pcim_enable_device(pci)) < 0)
 
1212		return err;
1213	chip = devm_kzalloc(&pci->dev, sizeof(*chip), GFP_KERNEL);
1214	if (chip == NULL)
1215		return -ENOMEM;
1216	spin_lock_init(&chip->reg_lock);
1217	chip->card = card;
1218	chip->dev = &pci->dev;
1219	chip->irq = -1;
1220	chip->tea575x_tuner = tea575x_tuner;
1221	if ((err = pci_request_regions(pci, "FM801")) < 0)
 
1222		return err;
1223	chip->port = pci_resource_start(pci, 0);
1224
1225	if (pci->revision >= 0xb1)	/* FM801-AU */
1226		chip->multichannel = 1;
1227
1228	if (!(chip->tea575x_tuner & TUNER_ONLY)) {
1229		if (reset_codec(chip) < 0) {
1230			dev_info(chip->card->dev,
1231				 "Primary AC'97 codec not found, assume SF64-PCR (tuner-only)\n");
1232			chip->tea575x_tuner = 3 | TUNER_ONLY;
1233		} else {
1234			snd_fm801_chip_multichannel_init(chip);
1235		}
1236	}
1237
1238	snd_fm801_chip_init(chip);
1239
1240	if ((chip->tea575x_tuner & TUNER_ONLY) == 0) {
1241		if (devm_request_irq(&pci->dev, pci->irq, snd_fm801_interrupt,
1242				IRQF_SHARED, KBUILD_MODNAME, chip)) {
1243			dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
1244			snd_fm801_free(chip);
1245			return -EBUSY;
1246		}
1247		chip->irq = pci->irq;
 
1248		pci_set_master(pci);
1249	}
1250
1251	if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
 
 
 
1252		snd_fm801_free(chip);
1253		return err;
1254	}
1255
1256#ifdef CONFIG_SND_FM801_TEA575X_BOOL
1257	err = v4l2_device_register(&pci->dev, &chip->v4l2_dev);
1258	if (err < 0) {
1259		snd_fm801_free(chip);
1260		return err;
1261	}
1262	chip->tea.v4l2_dev = &chip->v4l2_dev;
1263	chip->tea.radio_nr = radio_nr;
1264	chip->tea.private_data = chip;
1265	chip->tea.ops = &snd_fm801_tea_ops;
1266	sprintf(chip->tea.bus_info, "PCI:%s", pci_name(pci));
1267	if ((chip->tea575x_tuner & TUNER_TYPE_MASK) > 0 &&
1268	    (chip->tea575x_tuner & TUNER_TYPE_MASK) < 4) {
1269		if (snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1270			dev_err(card->dev, "TEA575x radio not found\n");
1271			snd_fm801_free(chip);
1272			return -ENODEV;
1273		}
1274	} else if ((chip->tea575x_tuner & TUNER_TYPE_MASK) == 0) {
1275		unsigned int tuner_only = chip->tea575x_tuner & TUNER_ONLY;
1276
1277		/* autodetect tuner connection */
1278		for (tea575x_tuner = 1; tea575x_tuner <= 3; tea575x_tuner++) {
1279			chip->tea575x_tuner = tea575x_tuner;
1280			if (!snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1281				dev_info(card->dev,
1282					 "detected TEA575x radio type %s\n",
1283					   get_tea575x_gpio(chip)->name);
1284				break;
1285			}
1286		}
1287		if (tea575x_tuner == 4) {
1288			dev_err(card->dev, "TEA575x radio not found\n");
1289			chip->tea575x_tuner = TUNER_DISABLED;
1290		}
1291
1292		chip->tea575x_tuner |= tuner_only;
1293	}
1294	if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1295		strlcpy(chip->tea.card, get_tea575x_gpio(chip)->name,
1296			sizeof(chip->tea.card));
1297	}
1298#endif
1299
1300	*rchip = chip;
1301	return 0;
1302}
1303
1304static int snd_card_fm801_probe(struct pci_dev *pci,
1305				const struct pci_device_id *pci_id)
1306{
1307	static int dev;
1308	struct snd_card *card;
1309	struct fm801 *chip;
1310	struct snd_opl3 *opl3;
1311	int err;
1312
1313        if (dev >= SNDRV_CARDS)
1314                return -ENODEV;
1315	if (!enable[dev]) {
1316		dev++;
1317		return -ENOENT;
1318	}
1319
1320	err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
1321			   0, &card);
1322	if (err < 0)
1323		return err;
1324	if ((err = snd_fm801_create(card, pci, tea575x_tuner[dev], radio_nr[dev], &chip)) < 0) {
 
1325		snd_card_free(card);
1326		return err;
1327	}
1328	card->private_data = chip;
1329
1330	strcpy(card->driver, "FM801");
1331	strcpy(card->shortname, "ForteMedia FM801-");
1332	strcat(card->shortname, chip->multichannel ? "AU" : "AS");
1333	sprintf(card->longname, "%s at 0x%lx, irq %i",
1334		card->shortname, chip->port, chip->irq);
1335
1336	if (chip->tea575x_tuner & TUNER_ONLY)
1337		goto __fm801_tuner_only;
1338
1339	if ((err = snd_fm801_pcm(chip, 0)) < 0) {
 
1340		snd_card_free(card);
1341		return err;
1342	}
1343	if ((err = snd_fm801_mixer(chip)) < 0) {
 
1344		snd_card_free(card);
1345		return err;
1346	}
1347	if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_FM801,
1348				       chip->port + FM801_MPU401_DATA,
1349				       MPU401_INFO_INTEGRATED |
1350				       MPU401_INFO_IRQ_HOOK,
1351				       -1, &chip->rmidi)) < 0) {
 
1352		snd_card_free(card);
1353		return err;
1354	}
1355	if ((err = snd_opl3_create(card, chip->port + FM801_OPL3_BANK0,
1356				   chip->port + FM801_OPL3_BANK1,
1357				   OPL3_HW_OPL3_FM801, 1, &opl3)) < 0) {
 
1358		snd_card_free(card);
1359		return err;
1360	}
1361	if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
 
1362		snd_card_free(card);
1363		return err;
1364	}
1365
1366      __fm801_tuner_only:
1367	if ((err = snd_card_register(card)) < 0) {
 
1368		snd_card_free(card);
1369		return err;
1370	}
1371	pci_set_drvdata(pci, card);
1372	dev++;
1373	return 0;
1374}
1375
1376static void snd_card_fm801_remove(struct pci_dev *pci)
1377{
1378	snd_card_free(pci_get_drvdata(pci));
1379}
1380
1381#ifdef CONFIG_PM_SLEEP
1382static unsigned char saved_regs[] = {
1383	FM801_PCM_VOL, FM801_I2S_VOL, FM801_FM_VOL, FM801_REC_SRC,
1384	FM801_PLY_CTRL, FM801_PLY_COUNT, FM801_PLY_BUF1, FM801_PLY_BUF2,
1385	FM801_CAP_CTRL, FM801_CAP_COUNT, FM801_CAP_BUF1, FM801_CAP_BUF2,
1386	FM801_CODEC_CTRL, FM801_I2S_MODE, FM801_VOLUME, FM801_GEN_CTRL,
1387};
1388
1389static int snd_fm801_suspend(struct device *dev)
1390{
1391	struct snd_card *card = dev_get_drvdata(dev);
1392	struct fm801 *chip = card->private_data;
1393	int i;
1394
1395	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1396
1397	for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1398		chip->saved_regs[i] = fm801_ioread16(chip, saved_regs[i]);
1399
1400	if (chip->tea575x_tuner & TUNER_ONLY) {
1401		/* FIXME: tea575x suspend */
1402	} else {
1403		snd_pcm_suspend_all(chip->pcm);
1404		snd_ac97_suspend(chip->ac97);
1405		snd_ac97_suspend(chip->ac97_sec);
1406	}
1407
1408	return 0;
1409}
1410
1411static int snd_fm801_resume(struct device *dev)
1412{
1413	struct snd_card *card = dev_get_drvdata(dev);
1414	struct fm801 *chip = card->private_data;
1415	int i;
1416
1417	if (chip->tea575x_tuner & TUNER_ONLY) {
1418		snd_fm801_chip_init(chip);
1419	} else {
1420		reset_codec(chip);
1421		snd_fm801_chip_multichannel_init(chip);
1422		snd_fm801_chip_init(chip);
1423		snd_ac97_resume(chip->ac97);
1424		snd_ac97_resume(chip->ac97_sec);
1425	}
1426
1427	for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1428		fm801_iowrite16(chip, saved_regs[i], chip->saved_regs[i]);
1429
1430#ifdef CONFIG_SND_FM801_TEA575X_BOOL
1431	if (!(chip->tea575x_tuner & TUNER_DISABLED))
1432		snd_tea575x_set_freq(&chip->tea);
1433#endif
1434
1435	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1436	return 0;
1437}
1438
1439static SIMPLE_DEV_PM_OPS(snd_fm801_pm, snd_fm801_suspend, snd_fm801_resume);
1440#define SND_FM801_PM_OPS	&snd_fm801_pm
1441#else
1442#define SND_FM801_PM_OPS	NULL
1443#endif /* CONFIG_PM_SLEEP */
1444
1445static struct pci_driver fm801_driver = {
1446	.name = KBUILD_MODNAME,
1447	.id_table = snd_fm801_ids,
1448	.probe = snd_card_fm801_probe,
1449	.remove = snd_card_fm801_remove,
1450	.driver = {
1451		.pm = SND_FM801_PM_OPS,
1452	},
1453};
1454
1455module_pci_driver(fm801_driver);