/*
   *  Driver for S3 SonicVibes soundcard
   *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>
   *
   *  BUGS:
   *    It looks like 86c617 rev 3 doesn't supports DDMA buffers above 16MB?
   *    Driver sometimes hangs... Nobody knows why at this moment...
   *
   *   This program is free software; you can redistribute it and/or modify
   *   it under the terms of the GNU General Public License as published by
   *   the Free Software Foundation; either version 2 of the License, or
   *   (at your option) any later version.
   *
   *   This program is distributed in the hope that it will be useful,
   *   but WITHOUT ANY WARRANTY; without even the implied warranty of
   *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   *   GNU General Public License for more details.
   *
   *   You should have received a copy of the GNU General Public License
   *   along with this program; if not, write to the Free Software
   *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
   *
   */
  
  #include <sound/driver.h>
  #include <linux/delay.h>
  #include <linux/init.h>
  #include <linux/interrupt.h>
  #include <linux/pci.h>
  #include <linux/slab.h>
  #include <linux/gameport.h>
  #include <linux/moduleparam.h>

  #include <linux/dma-mapping.h>

  
  #include <sound/core.h>
  #include <sound/pcm.h>
  #include <sound/info.h>
  #include <sound/control.h>
  #include <sound/mpu401.h>
  #include <sound/opl3.h>
  #include <sound/initval.h>
  
  #include <asm/io.h>
  
  MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
  MODULE_DESCRIPTION("S3 SonicVibes PCI");
  MODULE_LICENSE("GPL");
  MODULE_SUPPORTED_DEVICE("{{S3,SonicVibes PCI}}");
  
  #if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE))
  #define SUPPORT_JOYSTICK 1
  #endif

  static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
  static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
  static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;	/* Enable this card */

  static int reverb[SNDRV_CARDS];
  static int mge[SNDRV_CARDS];

  static unsigned int dmaio = 0x7a00;	/* DDMA i/o address */
  
  module_param_array(index, int, NULL, 0444);
  MODULE_PARM_DESC(index, "Index value for S3 SonicVibes soundcard.");
  module_param_array(id, charp, NULL, 0444);
  MODULE_PARM_DESC(id, "ID string for S3 SonicVibes soundcard.");
  module_param_array(enable, bool, NULL, 0444);
  MODULE_PARM_DESC(enable, "Enable S3 SonicVibes soundcard.");
  module_param_array(reverb, bool, NULL, 0444);
  MODULE_PARM_DESC(reverb, "Enable reverb (SRAM is present) for S3 SonicVibes soundcard.");
  module_param_array(mge, bool, NULL, 0444);
  MODULE_PARM_DESC(mge, "MIC Gain Enable for S3 SonicVibes soundcard.");
  module_param(dmaio, uint, 0444);
  MODULE_PARM_DESC(dmaio, "DDMA i/o base address for S3 SonicVibes soundcard.");
  
  /*
   * Enhanced port direct registers
   */
  
  #define SV_REG(sonic, x) ((sonic)->enh_port + SV_REG_##x)
  
  #define SV_REG_CONTROL	0x00	/* R/W: CODEC/Mixer control register */
  #define   SV_ENHANCED	  0x01	/* audio mode select - enhanced mode */
  #define   SV_TEST	  0x02	/* test bit */
  #define   SV_REVERB	  0x04	/* reverb enable */
  #define   SV_WAVETABLE	  0x08	/* wavetable active / FM active if not set */
  #define   SV_INTA	  0x20	/* INTA driving - should be always 1 */
  #define   SV_RESET	  0x80	/* reset chip */
  #define SV_REG_IRQMASK	0x01	/* R/W: CODEC/Mixer interrupt mask register */
  #define   SV_DMAA_MASK	  0x01	/* mask DMA-A interrupt */
  #define   SV_DMAC_MASK	  0x04	/* mask DMA-C interrupt */
  #define   SV_SPEC_MASK	  0x08	/* special interrupt mask - should be always masked */
  #define   SV_UD_MASK	  0x40	/* Up/Down button interrupt mask */
  #define   SV_MIDI_MASK	  0x80	/* mask MIDI interrupt */
  #define SV_REG_STATUS	0x02	/* R/O: CODEC/Mixer status register */
  #define   SV_DMAA_IRQ	  0x01	/* DMA-A interrupt */
  #define   SV_DMAC_IRQ	  0x04	/* DMA-C interrupt */
  #define   SV_SPEC_IRQ	  0x08	/* special interrupt */
  #define   SV_UD_IRQ	  0x40	/* Up/Down interrupt */
  #define   SV_MIDI_IRQ	  0x80	/* MIDI interrupt */
  #define SV_REG_INDEX	0x04	/* R/W: CODEC/Mixer index address register */
  #define   SV_MCE          0x40	/* mode change enable */
  #define   SV_TRD	  0x80	/* DMA transfer request disabled */
  #define SV_REG_DATA	0x05	/* R/W: CODEC/Mixer index data register */
  
  /*
   * Enhanced port indirect registers
   */
  
  #define SV_IREG_LEFT_ADC	0x00	/* Left ADC Input Control */
  #define SV_IREG_RIGHT_ADC	0x01	/* Right ADC Input Control */
  #define SV_IREG_LEFT_AUX1	0x02	/* Left AUX1 Input Control */
  #define SV_IREG_RIGHT_AUX1	0x03	/* Right AUX1 Input Control */
  #define SV_IREG_LEFT_CD		0x04	/* Left CD Input Control */
  #define SV_IREG_RIGHT_CD	0x05	/* Right CD Input Control */
  #define SV_IREG_LEFT_LINE	0x06	/* Left Line Input Control */
  #define SV_IREG_RIGHT_LINE	0x07	/* Right Line Input Control */
  #define SV_IREG_MIC		0x08	/* MIC Input Control */
  #define SV_IREG_GAME_PORT	0x09	/* Game Port Control */
  #define SV_IREG_LEFT_SYNTH	0x0a	/* Left Synth Input Control */
  #define SV_IREG_RIGHT_SYNTH	0x0b	/* Right Synth Input Control */
  #define SV_IREG_LEFT_AUX2	0x0c	/* Left AUX2 Input Control */
  #define SV_IREG_RIGHT_AUX2	0x0d	/* Right AUX2 Input Control */
  #define SV_IREG_LEFT_ANALOG	0x0e	/* Left Analog Mixer Output Control */
  #define SV_IREG_RIGHT_ANALOG	0x0f	/* Right Analog Mixer Output Control */
  #define SV_IREG_LEFT_PCM	0x10	/* Left PCM Input Control */
  #define SV_IREG_RIGHT_PCM	0x11	/* Right PCM Input Control */
  #define SV_IREG_DMA_DATA_FMT	0x12	/* DMA Data Format */
  #define SV_IREG_PC_ENABLE	0x13	/* Playback/Capture Enable Register */
  #define SV_IREG_UD_BUTTON	0x14	/* Up/Down Button Register */
  #define SV_IREG_REVISION	0x15	/* Revision */
  #define SV_IREG_ADC_OUTPUT_CTRL	0x16	/* ADC Output Control */
  #define SV_IREG_DMA_A_UPPER	0x18	/* DMA A Upper Base Count */
  #define SV_IREG_DMA_A_LOWER	0x19	/* DMA A Lower Base Count */
  #define SV_IREG_DMA_C_UPPER	0x1c	/* DMA C Upper Base Count */
  #define SV_IREG_DMA_C_LOWER	0x1d	/* DMA C Lower Base Count */
  #define SV_IREG_PCM_RATE_LOW	0x1e	/* PCM Sampling Rate Low Byte */
  #define SV_IREG_PCM_RATE_HIGH	0x1f	/* PCM Sampling Rate High Byte */
  #define SV_IREG_SYNTH_RATE_LOW	0x20	/* Synthesizer Sampling Rate Low Byte */
  #define SV_IREG_SYNTH_RATE_HIGH 0x21	/* Synthesizer Sampling Rate High Byte */
  #define SV_IREG_ADC_CLOCK	0x22	/* ADC Clock Source Selection */
  #define SV_IREG_ADC_ALT_RATE	0x23	/* ADC Alternative Sampling Rate Selection */
  #define SV_IREG_ADC_PLL_M	0x24	/* ADC PLL M Register */
  #define SV_IREG_ADC_PLL_N	0x25	/* ADC PLL N Register */
  #define SV_IREG_SYNTH_PLL_M	0x26	/* Synthesizer PLL M Register */
  #define SV_IREG_SYNTH_PLL_N	0x27	/* Synthesizer PLL N Register */
  #define SV_IREG_MPU401		0x2a	/* MPU-401 UART Operation */
  #define SV_IREG_DRIVE_CTRL	0x2b	/* Drive Control */
  #define SV_IREG_SRS_SPACE	0x2c	/* SRS Space Control */
  #define SV_IREG_SRS_CENTER	0x2d	/* SRS Center Control */
  #define SV_IREG_WAVE_SOURCE	0x2e	/* Wavetable Sample Source Select */
  #define SV_IREG_ANALOG_POWER	0x30	/* Analog Power Down Control */
  #define SV_IREG_DIGITAL_POWER	0x31	/* Digital Power Down Control */
  
  #define SV_IREG_ADC_PLL		SV_IREG_ADC_PLL_M
  #define SV_IREG_SYNTH_PLL	SV_IREG_SYNTH_PLL_M
  
  /*
   *  DMA registers
   */
  
  #define SV_DMA_ADDR0		0x00
  #define SV_DMA_ADDR1		0x01
  #define SV_DMA_ADDR2		0x02
  #define SV_DMA_ADDR3		0x03
  #define SV_DMA_COUNT0		0x04
  #define SV_DMA_COUNT1		0x05
  #define SV_DMA_COUNT2		0x06
  #define SV_DMA_MODE		0x0b
  #define SV_DMA_RESET		0x0d
  #define SV_DMA_MASK		0x0f
  
  /*
   *  Record sources
   */
  
  #define SV_RECSRC_RESERVED	(0x00<<5)
  #define SV_RECSRC_CD		(0x01<<5)
  #define SV_RECSRC_DAC		(0x02<<5)
  #define SV_RECSRC_AUX2		(0x03<<5)
  #define SV_RECSRC_LINE		(0x04<<5)
  #define SV_RECSRC_AUX1		(0x05<<5)
  #define SV_RECSRC_MIC		(0x06<<5)
  #define SV_RECSRC_OUT		(0x07<<5)
  
  /*
   *  constants
   */
  
  #define SV_FULLRATE		48000
  #define SV_REFFREQUENCY		24576000
  #define SV_ADCMULT		512
  
  #define SV_MODE_PLAY		1
  #define SV_MODE_CAPTURE		2
  
  /*
  
   */

  struct sonicvibes {

  	unsigned long dma1size;
  	unsigned long dma2size;
  	int irq;
  
  	unsigned long sb_port;
  	unsigned long enh_port;
  	unsigned long synth_port;
  	unsigned long midi_port;
  	unsigned long game_port;
  	unsigned int dmaa_port;
  	struct resource *res_dmaa;
  	unsigned int dmac_port;
  	struct resource *res_dmac;
  
  	unsigned char enable;
  	unsigned char irqmask;
  	unsigned char revision;
  	unsigned char format;
  	unsigned char srs_space;
  	unsigned char srs_center;
  	unsigned char mpu_switch;
  	unsigned char wave_source;
  
  	unsigned int mode;
  
  	struct pci_dev *pci;

  	struct snd_card *card;
  	struct snd_pcm *pcm;
  	struct snd_pcm_substream *playback_substream;
  	struct snd_pcm_substream *capture_substream;
  	struct snd_rawmidi *rmidi;
  	struct snd_hwdep *fmsynth;	/* S3FM */

  
  	spinlock_t reg_lock;
  
  	unsigned int p_dma_size;
  	unsigned int c_dma_size;

  	struct snd_kcontrol *master_mute;
  	struct snd_kcontrol *master_volume;

  
  #ifdef SUPPORT_JOYSTICK
  	struct gameport *gameport;
  #endif
  };

  static struct pci_device_id snd_sonic_ids[] = {

  	{ 0x5333, 0xca00, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, },
          { 0, }
  };
  
  MODULE_DEVICE_TABLE(pci, snd_sonic_ids);

  static struct snd_ratden sonicvibes_adc_clock = {

  	.num_min = 4000 * 65536,
  	.num_max = 48000UL * 65536,
  	.num_step = 1,
  	.den = 65536,
  };

  static struct snd_pcm_hw_constraint_ratdens snd_sonicvibes_hw_constraints_adc_clock = {

  	.nrats = 1,
  	.rats = &sonicvibes_adc_clock,
  };
  
  /*
   *  common I/O routines
   */

  static inline void snd_sonicvibes_setdmaa(struct sonicvibes * sonic,

  					  unsigned int addr,
  					  unsigned int count)
  {
  	count--;
  	outl(addr, sonic->dmaa_port + SV_DMA_ADDR0);
  	outl(count, sonic->dmaa_port + SV_DMA_COUNT0);
  	outb(0x18, sonic->dmaa_port + SV_DMA_MODE);
  #if 0
  	printk("program dmaa: addr = 0x%x, paddr = 0x%x
  ", addr, inl(sonic->dmaa_port + SV_DMA_ADDR0));
  #endif
  }

  static inline void snd_sonicvibes_setdmac(struct sonicvibes * sonic,

  					  unsigned int addr,
  					  unsigned int count)
  {
  	/* note: dmac is working in word mode!!! */
  	count >>= 1;
  	count--;
  	outl(addr, sonic->dmac_port + SV_DMA_ADDR0);
  	outl(count, sonic->dmac_port + SV_DMA_COUNT0);
  	outb(0x14, sonic->dmac_port + SV_DMA_MODE);
  #if 0
  	printk("program dmac: addr = 0x%x, paddr = 0x%x
  ", addr, inl(sonic->dmac_port + SV_DMA_ADDR0));
  #endif
  }

  static inline unsigned int snd_sonicvibes_getdmaa(struct sonicvibes * sonic)

  {
  	return (inl(sonic->dmaa_port + SV_DMA_COUNT0) & 0xffffff) + 1;
  }

  static inline unsigned int snd_sonicvibes_getdmac(struct sonicvibes * sonic)

  {
  	/* note: dmac is working in word mode!!! */
  	return ((inl(sonic->dmac_port + SV_DMA_COUNT0) & 0xffffff) + 1) << 1;
  }

  static void snd_sonicvibes_out1(struct sonicvibes * sonic,

  				unsigned char reg,
  				unsigned char value)
  {
  	outb(reg, SV_REG(sonic, INDEX));
  	udelay(10);
  	outb(value, SV_REG(sonic, DATA));
  	udelay(10);
  }

  static void snd_sonicvibes_out(struct sonicvibes * sonic,

  			       unsigned char reg,
  			       unsigned char value)
  {
  	unsigned long flags;
  
  	spin_lock_irqsave(&sonic->reg_lock, flags);
  	outb(reg, SV_REG(sonic, INDEX));
  	udelay(10);
  	outb(value, SV_REG(sonic, DATA));
  	udelay(10);
  	spin_unlock_irqrestore(&sonic->reg_lock, flags);
  }

  static unsigned char snd_sonicvibes_in1(struct sonicvibes * sonic, unsigned char reg)

  {
  	unsigned char value;
  
  	outb(reg, SV_REG(sonic, INDEX));
  	udelay(10);
  	value = inb(SV_REG(sonic, DATA));
  	udelay(10);
  	return value;
  }

  static unsigned char snd_sonicvibes_in(struct sonicvibes * sonic, unsigned char reg)

  {
  	unsigned long flags;
  	unsigned char value;
  
  	spin_lock_irqsave(&sonic->reg_lock, flags);
  	outb(reg, SV_REG(sonic, INDEX));
  	udelay(10);
  	value = inb(SV_REG(sonic, DATA));
  	udelay(10);
  	spin_unlock_irqrestore(&sonic->reg_lock, flags);
  	return value;
  }
  
  #if 0

  static void snd_sonicvibes_debug(struct sonicvibes * sonic)

  {
  	printk("SV REGS:          INDEX = 0x%02x  ", inb(SV_REG(sonic, INDEX)));
  	printk("                 STATUS = 0x%02x
  ", inb(SV_REG(sonic, STATUS)));
  	printk("  0x00: left input      = 0x%02x  ", snd_sonicvibes_in(sonic, 0x00));
  	printk("  0x20: synth rate low  = 0x%02x
  ", snd_sonicvibes_in(sonic, 0x20));
  	printk("  0x01: right input     = 0x%02x  ", snd_sonicvibes_in(sonic, 0x01));
  	printk("  0x21: synth rate high = 0x%02x
  ", snd_sonicvibes_in(sonic, 0x21));
  	printk("  0x02: left AUX1       = 0x%02x  ", snd_sonicvibes_in(sonic, 0x02));
  	printk("  0x22: ADC clock       = 0x%02x
  ", snd_sonicvibes_in(sonic, 0x22));
  	printk("  0x03: right AUX1      = 0x%02x  ", snd_sonicvibes_in(sonic, 0x03));
  	printk("  0x23: ADC alt rate    = 0x%02x
  ", snd_sonicvibes_in(sonic, 0x23));
  	printk("  0x04: left CD         = 0x%02x  ", snd_sonicvibes_in(sonic, 0x04));
  	printk("  0x24: ADC pll M       = 0x%02x
  ", snd_sonicvibes_in(sonic, 0x24));
  	printk("  0x05: right CD        = 0x%02x  ", snd_sonicvibes_in(sonic, 0x05));
  	printk("  0x25: ADC pll N       = 0x%02x
  ", snd_sonicvibes_in(sonic, 0x25));
  	printk("  0x06: left line       = 0x%02x  ", snd_sonicvibes_in(sonic, 0x06));
  	printk("  0x26: Synth pll M     = 0x%02x
  ", snd_sonicvibes_in(sonic, 0x26));
  	printk("  0x07: right line      = 0x%02x  ", snd_sonicvibes_in(sonic, 0x07));
  	printk("  0x27: Synth pll N     = 0x%02x
  ", snd_sonicvibes_in(sonic, 0x27));
  	printk("  0x08: MIC             = 0x%02x  ", snd_sonicvibes_in(sonic, 0x08));
  	printk("  0x28: ---             = 0x%02x
  ", snd_sonicvibes_in(sonic, 0x28));
  	printk("  0x09: Game port       = 0x%02x  ", snd_sonicvibes_in(sonic, 0x09));
  	printk("  0x29: ---             = 0x%02x
  ", snd_sonicvibes_in(sonic, 0x29));
  	printk("  0x0a: left synth      = 0x%02x  ", snd_sonicvibes_in(sonic, 0x0a));
  	printk("  0x2a: MPU401          = 0x%02x
  ", snd_sonicvibes_in(sonic, 0x2a));
  	printk("  0x0b: right synth     = 0x%02x  ", snd_sonicvibes_in(sonic, 0x0b));
  	printk("  0x2b: drive ctrl      = 0x%02x
  ", snd_sonicvibes_in(sonic, 0x2b));
  	printk("  0x0c: left AUX2       = 0x%02x  ", snd_sonicvibes_in(sonic, 0x0c));
  	printk("  0x2c: SRS space       = 0x%02x
  ", snd_sonicvibes_in(sonic, 0x2c));
  	printk("  0x0d: right AUX2      = 0x%02x  ", snd_sonicvibes_in(sonic, 0x0d));
  	printk("  0x2d: SRS center      = 0x%02x
  ", snd_sonicvibes_in(sonic, 0x2d));
  	printk("  0x0e: left analog     = 0x%02x  ", snd_sonicvibes_in(sonic, 0x0e));
  	printk("  0x2e: wave source     = 0x%02x
  ", snd_sonicvibes_in(sonic, 0x2e));
  	printk("  0x0f: right analog    = 0x%02x  ", snd_sonicvibes_in(sonic, 0x0f));
  	printk("  0x2f: ---             = 0x%02x
  ", snd_sonicvibes_in(sonic, 0x2f));
  	printk("  0x10: left PCM        = 0x%02x  ", snd_sonicvibes_in(sonic, 0x10));
  	printk("  0x30: analog power    = 0x%02x
  ", snd_sonicvibes_in(sonic, 0x30));
  	printk("  0x11: right PCM       = 0x%02x  ", snd_sonicvibes_in(sonic, 0x11));
  	printk("  0x31: analog power    = 0x%02x
  ", snd_sonicvibes_in(sonic, 0x31));
  	printk("  0x12: DMA data format = 0x%02x  ", snd_sonicvibes_in(sonic, 0x12));
  	printk("  0x32: ---             = 0x%02x
  ", snd_sonicvibes_in(sonic, 0x32));
  	printk("  0x13: P/C enable      = 0x%02x  ", snd_sonicvibes_in(sonic, 0x13));
  	printk("  0x33: ---             = 0x%02x
  ", snd_sonicvibes_in(sonic, 0x33));
  	printk("  0x14: U/D button      = 0x%02x  ", snd_sonicvibes_in(sonic, 0x14));
  	printk("  0x34: ---             = 0x%02x
  ", snd_sonicvibes_in(sonic, 0x34));
  	printk("  0x15: revision        = 0x%02x  ", snd_sonicvibes_in(sonic, 0x15));
  	printk("  0x35: ---             = 0x%02x
  ", snd_sonicvibes_in(sonic, 0x35));
  	printk("  0x16: ADC output ctrl = 0x%02x  ", snd_sonicvibes_in(sonic, 0x16));
  	printk("  0x36: ---             = 0x%02x
  ", snd_sonicvibes_in(sonic, 0x36));
  	printk("  0x17: ---             = 0x%02x  ", snd_sonicvibes_in(sonic, 0x17));
  	printk("  0x37: ---             = 0x%02x
  ", snd_sonicvibes_in(sonic, 0x37));
  	printk("  0x18: DMA A upper cnt = 0x%02x  ", snd_sonicvibes_in(sonic, 0x18));
  	printk("  0x38: ---             = 0x%02x
  ", snd_sonicvibes_in(sonic, 0x38));
  	printk("  0x19: DMA A lower cnt = 0x%02x  ", snd_sonicvibes_in(sonic, 0x19));
  	printk("  0x39: ---             = 0x%02x
  ", snd_sonicvibes_in(sonic, 0x39));
  	printk("  0x1a: ---             = 0x%02x  ", snd_sonicvibes_in(sonic, 0x1a));
  	printk("  0x3a: ---             = 0x%02x
  ", snd_sonicvibes_in(sonic, 0x3a));
  	printk("  0x1b: ---             = 0x%02x  ", snd_sonicvibes_in(sonic, 0x1b));
  	printk("  0x3b: ---             = 0x%02x
  ", snd_sonicvibes_in(sonic, 0x3b));
  	printk("  0x1c: DMA C upper cnt = 0x%02x  ", snd_sonicvibes_in(sonic, 0x1c));
  	printk("  0x3c: ---             = 0x%02x
  ", snd_sonicvibes_in(sonic, 0x3c));
  	printk("  0x1d: DMA C upper cnt = 0x%02x  ", snd_sonicvibes_in(sonic, 0x1d));
  	printk("  0x3d: ---             = 0x%02x
  ", snd_sonicvibes_in(sonic, 0x3d));
  	printk("  0x1e: PCM rate low    = 0x%02x  ", snd_sonicvibes_in(sonic, 0x1e));
  	printk("  0x3e: ---             = 0x%02x
  ", snd_sonicvibes_in(sonic, 0x3e));
  	printk("  0x1f: PCM rate high   = 0x%02x  ", snd_sonicvibes_in(sonic, 0x1f));
  	printk("  0x3f: ---             = 0x%02x
  ", snd_sonicvibes_in(sonic, 0x3f));
  }
  
  #endif

  static void snd_sonicvibes_setfmt(struct sonicvibes * sonic,

                                    unsigned char mask,
                                    unsigned char value)
  {
  	unsigned long flags;
  
  	spin_lock_irqsave(&sonic->reg_lock, flags);
  	outb(SV_MCE | SV_IREG_DMA_DATA_FMT, SV_REG(sonic, INDEX));
  	if (mask) {
  		sonic->format = inb(SV_REG(sonic, DATA));
  		udelay(10);
  	}
  	sonic->format = (sonic->format & mask) | value;
  	outb(sonic->format, SV_REG(sonic, DATA));
  	udelay(10);
  	outb(0, SV_REG(sonic, INDEX));
  	udelay(10);
  	spin_unlock_irqrestore(&sonic->reg_lock, flags);
  }
  
  static void snd_sonicvibes_pll(unsigned int rate,
  			       unsigned int *res_r,
  			       unsigned int *res_m,
  			       unsigned int *res_n)
  {
  	unsigned int r, m = 0, n = 0;
  	unsigned int xm, xn, xr, xd, metric = ~0U;
  
  	if (rate < 625000 / SV_ADCMULT)
  		rate = 625000 / SV_ADCMULT;
  	if (rate > 150000000 / SV_ADCMULT)
  		rate = 150000000 / SV_ADCMULT;
  	/* slight violation of specs, needed for continuous sampling rates */
  	for (r = 0; rate < 75000000 / SV_ADCMULT; r += 0x20, rate <<= 1);
  	for (xn = 3; xn < 33; xn++)	/* 35 */
  		for (xm = 3; xm < 257; xm++) {
  			xr = ((SV_REFFREQUENCY / SV_ADCMULT) * xm) / xn;
  			if (xr >= rate)
  				xd = xr - rate;
  			else
  				xd = rate - xr;
  			if (xd < metric) {
  				metric = xd;
  				m = xm - 2;
  				n = xn - 2;
  			}
  		}
  	*res_r = r;
  	*res_m = m;
  	*res_n = n;
  #if 0
  	printk("metric = %i, xm = %i, xn = %i
  ", metric, xm, xn);
  	printk("pll: m = 0x%x, r = 0x%x, n = 0x%x
  ", reg, m, r, n);
  #endif
  }

  static void snd_sonicvibes_setpll(struct sonicvibes * sonic,

                                    unsigned char reg,
                                    unsigned int rate)
  {
  	unsigned long flags;
  	unsigned int r, m, n;
  
  	snd_sonicvibes_pll(rate, &r, &m, &n);
  	if (sonic != NULL) {
  		spin_lock_irqsave(&sonic->reg_lock, flags);
  		snd_sonicvibes_out1(sonic, reg, m);
  		snd_sonicvibes_out1(sonic, reg + 1, r | n);
  		spin_unlock_irqrestore(&sonic->reg_lock, flags);
  	}
  }

  static void snd_sonicvibes_set_adc_rate(struct sonicvibes * sonic, unsigned int rate)

  {
  	unsigned long flags;
  	unsigned int div;
  	unsigned char clock;
  
  	div = 48000 / rate;
  	if (div > 8)
  		div = 8;
  	if ((48000 / div) == rate) {	/* use the alternate clock */
  		clock = 0x10;
  	} else {			/* use the PLL source */
  		clock = 0x00;
  		snd_sonicvibes_setpll(sonic, SV_IREG_ADC_PLL, rate);
  	}
  	spin_lock_irqsave(&sonic->reg_lock, flags);
  	snd_sonicvibes_out1(sonic, SV_IREG_ADC_ALT_RATE, (div - 1) << 4);
  	snd_sonicvibes_out1(sonic, SV_IREG_ADC_CLOCK, clock);
  	spin_unlock_irqrestore(&sonic->reg_lock, flags);
  }

  static int snd_sonicvibes_hw_constraint_dac_rate(struct snd_pcm_hw_params *params,
  						 struct snd_pcm_hw_rule *rule)

  {
  	unsigned int rate, div, r, m, n;
  
  	if (hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE)->min == 
  	    hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE)->max) {
  		rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE)->min;
  		div = 48000 / rate;
  		if (div > 8)
  			div = 8;
  		if ((48000 / div) == rate) {
  			params->rate_num = rate;
  			params->rate_den = 1;
  		} else {
  			snd_sonicvibes_pll(rate, &r, &m, &n);
  			snd_assert((SV_REFFREQUENCY % 16) == 0, return -EINVAL);
  			snd_assert((SV_ADCMULT % 512) == 0, return -EINVAL);
  			params->rate_num = (SV_REFFREQUENCY/16) * (n+2) * r;
  			params->rate_den = (SV_ADCMULT/512) * (m+2);
  		}
  	}
  	return 0;
  }

  static void snd_sonicvibes_set_dac_rate(struct sonicvibes * sonic, unsigned int rate)

  {
  	unsigned int div;
  	unsigned long flags;
  
  	div = (rate * 65536 + SV_FULLRATE / 2) / SV_FULLRATE;
  	if (div > 65535)
  		div = 65535;
  	spin_lock_irqsave(&sonic->reg_lock, flags);
  	snd_sonicvibes_out1(sonic, SV_IREG_PCM_RATE_HIGH, div >> 8);
  	snd_sonicvibes_out1(sonic, SV_IREG_PCM_RATE_LOW, div);
  	spin_unlock_irqrestore(&sonic->reg_lock, flags);
  }

  static int snd_sonicvibes_trigger(struct sonicvibes * sonic, int what, int cmd)

  {
  	int result = 0;
  
  	spin_lock(&sonic->reg_lock);
  	if (cmd == SNDRV_PCM_TRIGGER_START) {
  		if (!(sonic->enable & what)) {
  			sonic->enable |= what;
  			snd_sonicvibes_out1(sonic, SV_IREG_PC_ENABLE, sonic->enable);
  		}
  	} else if (cmd == SNDRV_PCM_TRIGGER_STOP) {
  		if (sonic->enable & what) {
  			sonic->enable &= ~what;
  			snd_sonicvibes_out1(sonic, SV_IREG_PC_ENABLE, sonic->enable);
  		}
  	} else {
  		result = -EINVAL;
  	}
  	spin_unlock(&sonic->reg_lock);
  	return result;
  }

  static irqreturn_t snd_sonicvibes_interrupt(int irq, void *dev_id)

  {

  	struct sonicvibes *sonic = dev_id;

  	unsigned char status;
  
  	status = inb(SV_REG(sonic, STATUS));
  	if (!(status & (SV_DMAA_IRQ | SV_DMAC_IRQ | SV_MIDI_IRQ)))
  		return IRQ_NONE;
  	if (status == 0xff) {	/* failure */
  		outb(sonic->irqmask = ~0, SV_REG(sonic, IRQMASK));

  		snd_printk(KERN_ERR "IRQ failure - interrupts disabled!!
  ");

  		return IRQ_HANDLED;
  	}
  	if (sonic->pcm) {
  		if (status & SV_DMAA_IRQ)
  			snd_pcm_period_elapsed(sonic->playback_substream);
  		if (status & SV_DMAC_IRQ)
  			snd_pcm_period_elapsed(sonic->capture_substream);
  	}
  	if (sonic->rmidi) {
  		if (status & SV_MIDI_IRQ)

  			snd_mpu401_uart_interrupt(irq, sonic->rmidi->private_data);

  	}
  	if (status & SV_UD_IRQ) {
  		unsigned char udreg;
  		int vol, oleft, oright, mleft, mright;
  
  		spin_lock(&sonic->reg_lock);
  		udreg = snd_sonicvibes_in1(sonic, SV_IREG_UD_BUTTON);
  		vol = udreg & 0x3f;
  		if (!(udreg & 0x40))
  			vol = -vol;
  		oleft = mleft = snd_sonicvibes_in1(sonic, SV_IREG_LEFT_ANALOG);
  		oright = mright = snd_sonicvibes_in1(sonic, SV_IREG_RIGHT_ANALOG);
  		oleft &= 0x1f;
  		oright &= 0x1f;
  		oleft += vol;
  		if (oleft < 0)
  			oleft = 0;
  		if (oleft > 0x1f)
  			oleft = 0x1f;
  		oright += vol;
  		if (oright < 0)
  			oright = 0;
  		if (oright > 0x1f)
  			oright = 0x1f;
  		if (udreg & 0x80) {
  			mleft ^= 0x80;
  			mright ^= 0x80;
  		}
  		oleft |= mleft & 0x80;
  		oright |= mright & 0x80;
  		snd_sonicvibes_out1(sonic, SV_IREG_LEFT_ANALOG, oleft);
  		snd_sonicvibes_out1(sonic, SV_IREG_RIGHT_ANALOG, oright);
  		spin_unlock(&sonic->reg_lock);
  		snd_ctl_notify(sonic->card, SNDRV_CTL_EVENT_MASK_VALUE, &sonic->master_mute->id);
  		snd_ctl_notify(sonic->card, SNDRV_CTL_EVENT_MASK_VALUE, &sonic->master_volume->id);
  	}
  	return IRQ_HANDLED;
  }
  
  /*
   *  PCM part
   */

  static int snd_sonicvibes_playback_trigger(struct snd_pcm_substream *substream,

  					   int cmd)
  {

  	struct sonicvibes *sonic = snd_pcm_substream_chip(substream);

  	return snd_sonicvibes_trigger(sonic, 1, cmd);
  }

  static int snd_sonicvibes_capture_trigger(struct snd_pcm_substream *substream,

  					  int cmd)
  {

  	struct sonicvibes *sonic = snd_pcm_substream_chip(substream);

  	return snd_sonicvibes_trigger(sonic, 2, cmd);
  }

  static int snd_sonicvibes_hw_params(struct snd_pcm_substream *substream,
  				    struct snd_pcm_hw_params *hw_params)

  {
  	return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
  }

  static int snd_sonicvibes_hw_free(struct snd_pcm_substream *substream)

  {
  	return snd_pcm_lib_free_pages(substream);
  }

  static int snd_sonicvibes_playback_prepare(struct snd_pcm_substream *substream)

  {

  	struct sonicvibes *sonic = snd_pcm_substream_chip(substream);
  	struct snd_pcm_runtime *runtime = substream->runtime;

  	unsigned char fmt = 0;
  	unsigned int size = snd_pcm_lib_buffer_bytes(substream);
  	unsigned int count = snd_pcm_lib_period_bytes(substream);
  
  	sonic->p_dma_size = size;
  	count--;
  	if (runtime->channels > 1)
  		fmt |= 1;
  	if (snd_pcm_format_width(runtime->format) == 16)
  		fmt |= 2;
  	snd_sonicvibes_setfmt(sonic, ~3, fmt);
  	snd_sonicvibes_set_dac_rate(sonic, runtime->rate);
  	spin_lock_irq(&sonic->reg_lock);
  	snd_sonicvibes_setdmaa(sonic, runtime->dma_addr, size);
  	snd_sonicvibes_out1(sonic, SV_IREG_DMA_A_UPPER, count >> 8);
  	snd_sonicvibes_out1(sonic, SV_IREG_DMA_A_LOWER, count);
  	spin_unlock_irq(&sonic->reg_lock);
  	return 0;
  }

  static int snd_sonicvibes_capture_prepare(struct snd_pcm_substream *substream)

  {

  	struct sonicvibes *sonic = snd_pcm_substream_chip(substream);
  	struct snd_pcm_runtime *runtime = substream->runtime;

  	unsigned char fmt = 0;
  	unsigned int size = snd_pcm_lib_buffer_bytes(substream);
  	unsigned int count = snd_pcm_lib_period_bytes(substream);
  
  	sonic->c_dma_size = size;
  	count >>= 1;
  	count--;
  	if (runtime->channels > 1)
  		fmt |= 0x10;
  	if (snd_pcm_format_width(runtime->format) == 16)
  		fmt |= 0x20;
  	snd_sonicvibes_setfmt(sonic, ~0x30, fmt);
  	snd_sonicvibes_set_adc_rate(sonic, runtime->rate);
  	spin_lock_irq(&sonic->reg_lock);
  	snd_sonicvibes_setdmac(sonic, runtime->dma_addr, size);
  	snd_sonicvibes_out1(sonic, SV_IREG_DMA_C_UPPER, count >> 8);
  	snd_sonicvibes_out1(sonic, SV_IREG_DMA_C_LOWER, count);
  	spin_unlock_irq(&sonic->reg_lock);
  	return 0;
  }

  static snd_pcm_uframes_t snd_sonicvibes_playback_pointer(struct snd_pcm_substream *substream)

  {

  	struct sonicvibes *sonic = snd_pcm_substream_chip(substream);

  	size_t ptr;
  
  	if (!(sonic->enable & 1))
  		return 0;
  	ptr = sonic->p_dma_size - snd_sonicvibes_getdmaa(sonic);
  	return bytes_to_frames(substream->runtime, ptr);
  }

  static snd_pcm_uframes_t snd_sonicvibes_capture_pointer(struct snd_pcm_substream *substream)

  {

  	struct sonicvibes *sonic = snd_pcm_substream_chip(substream);

  	size_t ptr;
  	if (!(sonic->enable & 2))
  		return 0;
  	ptr = sonic->c_dma_size - snd_sonicvibes_getdmac(sonic);
  	return bytes_to_frames(substream->runtime, ptr);
  }

  static struct snd_pcm_hardware snd_sonicvibes_playback =

  {
  	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
  				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
  				 SNDRV_PCM_INFO_MMAP_VALID),
  	.formats =		SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
  	.rates =		SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
  	.rate_min =		4000,
  	.rate_max =		48000,
  	.channels_min =		1,
  	.channels_max =		2,
  	.buffer_bytes_max =	(128*1024),
  	.period_bytes_min =	32,
  	.period_bytes_max =	(128*1024),
  	.periods_min =		1,
  	.periods_max =		1024,
  	.fifo_size =		0,
  };

  static struct snd_pcm_hardware snd_sonicvibes_capture =

  {
  	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
  				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
  				 SNDRV_PCM_INFO_MMAP_VALID),
  	.formats =		SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
  	.rates =		SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
  	.rate_min =		4000,
  	.rate_max =		48000,
  	.channels_min =		1,
  	.channels_max =		2,
  	.buffer_bytes_max =	(128*1024),
  	.period_bytes_min =	32,
  	.period_bytes_max =	(128*1024),
  	.periods_min =		1,
  	.periods_max =		1024,
  	.fifo_size =		0,
  };

  static int snd_sonicvibes_playback_open(struct snd_pcm_substream *substream)

  {

  	struct sonicvibes *sonic = snd_pcm_substream_chip(substream);
  	struct snd_pcm_runtime *runtime = substream->runtime;

  
  	sonic->mode |= SV_MODE_PLAY;
  	sonic->playback_substream = substream;
  	runtime->hw = snd_sonicvibes_playback;
  	snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, snd_sonicvibes_hw_constraint_dac_rate, NULL, SNDRV_PCM_HW_PARAM_RATE, -1);
  	return 0;
  }

  static int snd_sonicvibes_capture_open(struct snd_pcm_substream *substream)

  {

  	struct sonicvibes *sonic = snd_pcm_substream_chip(substream);
  	struct snd_pcm_runtime *runtime = substream->runtime;

  
  	sonic->mode |= SV_MODE_CAPTURE;
  	sonic->capture_substream = substream;
  	runtime->hw = snd_sonicvibes_capture;
  	snd_pcm_hw_constraint_ratdens(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
  				      &snd_sonicvibes_hw_constraints_adc_clock);
  	return 0;
  }

  static int snd_sonicvibes_playback_close(struct snd_pcm_substream *substream)

  {

  	struct sonicvibes *sonic = snd_pcm_substream_chip(substream);

  
  	sonic->playback_substream = NULL;
  	sonic->mode &= ~SV_MODE_PLAY;
  	return 0;
  }

  static int snd_sonicvibes_capture_close(struct snd_pcm_substream *substream)

  {

  	struct sonicvibes *sonic = snd_pcm_substream_chip(substream);

  
  	sonic->capture_substream = NULL;
  	sonic->mode &= ~SV_MODE_CAPTURE;
  	return 0;
  }

  static struct snd_pcm_ops snd_sonicvibes_playback_ops = {

  	.open =		snd_sonicvibes_playback_open,
  	.close =	snd_sonicvibes_playback_close,
  	.ioctl =	snd_pcm_lib_ioctl,
  	.hw_params =	snd_sonicvibes_hw_params,
  	.hw_free =	snd_sonicvibes_hw_free,
  	.prepare =	snd_sonicvibes_playback_prepare,
  	.trigger =	snd_sonicvibes_playback_trigger,
  	.pointer =	snd_sonicvibes_playback_pointer,
  };

  static struct snd_pcm_ops snd_sonicvibes_capture_ops = {

  	.open =		snd_sonicvibes_capture_open,
  	.close =	snd_sonicvibes_capture_close,
  	.ioctl =	snd_pcm_lib_ioctl,
  	.hw_params =	snd_sonicvibes_hw_params,
  	.hw_free =	snd_sonicvibes_hw_free,
  	.prepare =	snd_sonicvibes_capture_prepare,
  	.trigger =	snd_sonicvibes_capture_trigger,
  	.pointer =	snd_sonicvibes_capture_pointer,
  };

  static int __devinit snd_sonicvibes_pcm(struct sonicvibes * sonic, int device, struct snd_pcm ** rpcm)

  {

  	struct snd_pcm *pcm;

  	int err;
  
  	if ((err = snd_pcm_new(sonic->card, "s3_86c617", device, 1, 1, &pcm)) < 0)
  		return err;
  	snd_assert(pcm != NULL, return -EINVAL);
  
  	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_sonicvibes_playback_ops);
  	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_sonicvibes_capture_ops);
  
  	pcm->private_data = sonic;

  	pcm->info_flags = 0;
  	strcpy(pcm->name, "S3 SonicVibes");
  	sonic->pcm = pcm;
  
  	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
  					      snd_dma_pci_data(sonic->pci), 64*1024, 128*1024);
  
  	if (rpcm)
  		*rpcm = pcm;
  	return 0;
  }
  
  /*
   *  Mixer part
   */
  
  #define SONICVIBES_MUX(xname, xindex) \
  { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
    .info = snd_sonicvibes_info_mux, \
    .get = snd_sonicvibes_get_mux, .put = snd_sonicvibes_put_mux }

  static int snd_sonicvibes_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)

  {
  	static char *texts[7] = {
  		"CD", "PCM", "Aux1", "Line", "Aux0", "Mic", "Mix"
  	};
  
  	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
  	uinfo->count = 2;
  	uinfo->value.enumerated.items = 7;
  	if (uinfo->value.enumerated.item >= 7)
  		uinfo->value.enumerated.item = 6;
  	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
  	return 0;
  }

  static int snd_sonicvibes_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)

  {

  	struct sonicvibes *sonic = snd_kcontrol_chip(kcontrol);

  	
  	spin_lock_irq(&sonic->reg_lock);
  	ucontrol->value.enumerated.item[0] = ((snd_sonicvibes_in1(sonic, SV_IREG_LEFT_ADC) & SV_RECSRC_OUT) >> 5) - 1;
  	ucontrol->value.enumerated.item[1] = ((snd_sonicvibes_in1(sonic, SV_IREG_RIGHT_ADC) & SV_RECSRC_OUT) >> 5) - 1;
  	spin_unlock_irq(&sonic->reg_lock);
  	return 0;
  }

  static int snd_sonicvibes_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)

  {

  	struct sonicvibes *sonic = snd_kcontrol_chip(kcontrol);

  	unsigned short left, right, oval1, oval2;
  	int change;
  	
  	if (ucontrol->value.enumerated.item[0] >= 7 ||
  	    ucontrol->value.enumerated.item[1] >= 7)
  		return -EINVAL;
  	left = (ucontrol->value.enumerated.item[0] + 1) << 5;
  	right = (ucontrol->value.enumerated.item[1] + 1) << 5;
  	spin_lock_irq(&sonic->reg_lock);
  	oval1 = snd_sonicvibes_in1(sonic, SV_IREG_LEFT_ADC);
  	oval2 = snd_sonicvibes_in1(sonic, SV_IREG_RIGHT_ADC);
  	left = (oval1 & ~SV_RECSRC_OUT) | left;
  	right = (oval2 & ~SV_RECSRC_OUT) | right;
  	change = left != oval1 || right != oval2;
  	snd_sonicvibes_out1(sonic, SV_IREG_LEFT_ADC, left);
  	snd_sonicvibes_out1(sonic, SV_IREG_RIGHT_ADC, right);
  	spin_unlock_irq(&sonic->reg_lock);
  	return change;
  }
  
  #define SONICVIBES_SINGLE(xname, xindex, reg, shift, mask, invert) \
  { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
    .info = snd_sonicvibes_info_single, \
    .get = snd_sonicvibes_get_single, .put = snd_sonicvibes_put_single, \
    .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }

  static int snd_sonicvibes_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)

  {
  	int mask = (kcontrol->private_value >> 16) & 0xff;
  
  	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
  	uinfo->count = 1;
  	uinfo->value.integer.min = 0;
  	uinfo->value.integer.max = mask;
  	return 0;
  }

  static int snd_sonicvibes_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)

  {

  	struct sonicvibes *sonic = snd_kcontrol_chip(kcontrol);

  	int reg = kcontrol->private_value & 0xff;
  	int shift = (kcontrol->private_value >> 8) & 0xff;
  	int mask = (kcontrol->private_value >> 16) & 0xff;
  	int invert = (kcontrol->private_value >> 24) & 0xff;
  	
  	spin_lock_irq(&sonic->reg_lock);
  	ucontrol->value.integer.value[0] = (snd_sonicvibes_in1(sonic, reg)>> shift) & mask;
  	spin_unlock_irq(&sonic->reg_lock);
  	if (invert)
  		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
  	return 0;
  }

  static int snd_sonicvibes_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)

  {

  	struct sonicvibes *sonic = snd_kcontrol_chip(kcontrol);

  	int reg = kcontrol->private_value & 0xff;
  	int shift = (kcontrol->private_value >> 8) & 0xff;
  	int mask = (kcontrol->private_value >> 16) & 0xff;
  	int invert = (kcontrol->private_value >> 24) & 0xff;
  	int change;
  	unsigned short val, oval;
  	
  	val = (ucontrol->value.integer.value[0] & mask);
  	if (invert)
  		val = mask - val;
  	val <<= shift;
  	spin_lock_irq(&sonic->reg_lock);
  	oval = snd_sonicvibes_in1(sonic, reg);
  	val = (oval & ~(mask << shift)) | val;
  	change = val != oval;
  	snd_sonicvibes_out1(sonic, reg, val);
  	spin_unlock_irq(&sonic->reg_lock);
  	return change;
  }
  
  #define SONICVIBES_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \
  { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
    .info = snd_sonicvibes_info_double, \
    .get = snd_sonicvibes_get_double, .put = snd_sonicvibes_put_double, \
    .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) }

  static int snd_sonicvibes_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)

  {
  	int mask = (kcontrol->private_value >> 24) & 0xff;
  
  	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
  	uinfo->count = 2;
  	uinfo->value.integer.min = 0;
  	uinfo->value.integer.max = mask;
  	return 0;
  }

  static int snd_sonicvibes_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)

  {

  	struct sonicvibes *sonic = snd_kcontrol_chip(kcontrol);

  	int left_reg = kcontrol->private_value & 0xff;
  	int right_reg = (kcontrol->private_value >> 8) & 0xff;
  	int shift_left = (kcontrol->private_value >> 16) & 0x07;
  	int shift_right = (kcontrol->private_value >> 19) & 0x07;
  	int mask = (kcontrol->private_value >> 24) & 0xff;
  	int invert = (kcontrol->private_value >> 22) & 1;
  	
  	spin_lock_irq(&sonic->reg_lock);
  	ucontrol->value.integer.value[0] = (snd_sonicvibes_in1(sonic, left_reg) >> shift_left) & mask;
  	ucontrol->value.integer.value[1] = (snd_sonicvibes_in1(sonic, right_reg) >> shift_right) & mask;
  	spin_unlock_irq(&sonic->reg_lock);
  	if (invert) {
  		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
  		ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
  	}
  	return 0;
  }

  static int snd_sonicvibes_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)

  {

  	struct sonicvibes *sonic = snd_kcontrol_chip(kcontrol);

  	int left_reg = kcontrol->private_value & 0xff;
  	int right_reg = (kcontrol->private_value >> 8) & 0xff;
  	int shift_left = (kcontrol->private_value >> 16) & 0x07;
  	int shift_right = (kcontrol->private_value >> 19) & 0x07;
  	int mask = (kcontrol->private_value >> 24) & 0xff;
  	int invert = (kcontrol->private_value >> 22) & 1;
  	int change;
  	unsigned short val1, val2, oval1, oval2;
  	
  	val1 = ucontrol->value.integer.value[0] & mask;
  	val2 = ucontrol->value.integer.value[1] & mask;
  	if (invert) {
  		val1 = mask - val1;
  		val2 = mask - val2;
  	}
  	val1 <<= shift_left;
  	val2 <<= shift_right;
  	spin_lock_irq(&sonic->reg_lock);
  	oval1 = snd_sonicvibes_in1(sonic, left_reg);
  	oval2 = snd_sonicvibes_in1(sonic, right_reg);
  	val1 = (oval1 & ~(mask << shift_left)) | val1;
  	val2 = (oval2 & ~(mask << shift_right)) | val2;
  	change = val1 != oval1 || val2 != oval2;
  	snd_sonicvibes_out1(sonic, left_reg, val1);
  	snd_sonicvibes_out1(sonic, right_reg, val2);
  	spin_unlock_irq(&sonic->reg_lock);
  	return change;
  }

  static struct snd_kcontrol_new snd_sonicvibes_controls[] __devinitdata = {

  SONICVIBES_DOUBLE("Capture Volume", 0, SV_IREG_LEFT_ADC, SV_IREG_RIGHT_ADC, 0, 0, 15, 0),
  SONICVIBES_DOUBLE("Aux Playback Switch", 0, SV_IREG_LEFT_AUX1, SV_IREG_RIGHT_AUX1, 7, 7, 1, 1),
  SONICVIBES_DOUBLE("Aux Playback Volume", 0, SV_IREG_LEFT_AUX1, SV_IREG_RIGHT_AUX1, 0, 0, 31, 1),
  SONICVIBES_DOUBLE("CD Playback Switch", 0, SV_IREG_LEFT_CD, SV_IREG_RIGHT_CD, 7, 7, 1, 1),
  SONICVIBES_DOUBLE("CD Playback Volume", 0, SV_IREG_LEFT_CD, SV_IREG_RIGHT_CD, 0, 0, 31, 1),
  SONICVIBES_DOUBLE("Line Playback Switch", 0, SV_IREG_LEFT_LINE, SV_IREG_RIGHT_LINE, 7, 7, 1, 1),
  SONICVIBES_DOUBLE("Line Playback Volume", 0, SV_IREG_LEFT_LINE, SV_IREG_RIGHT_LINE, 0, 0, 31, 1),
  SONICVIBES_SINGLE("Mic Playback Switch", 0, SV_IREG_MIC, 7, 1, 1),
  SONICVIBES_SINGLE("Mic Playback Volume", 0, SV_IREG_MIC, 0, 15, 1),
  SONICVIBES_SINGLE("Mic Boost", 0, SV_IREG_LEFT_ADC, 4, 1, 0),
  SONICVIBES_DOUBLE("Synth Playback Switch", 0, SV_IREG_LEFT_SYNTH, SV_IREG_RIGHT_SYNTH, 7, 7, 1, 1),
  SONICVIBES_DOUBLE("Synth Playback Volume", 0, SV_IREG_LEFT_SYNTH, SV_IREG_RIGHT_SYNTH, 0, 0, 31, 1),
  SONICVIBES_DOUBLE("Aux Playback Switch", 1, SV_IREG_LEFT_AUX2, SV_IREG_RIGHT_AUX2, 7, 7, 1, 1),
  SONICVIBES_DOUBLE("Aux Playback Volume", 1, SV_IREG_LEFT_AUX2, SV_IREG_RIGHT_AUX2, 0, 0, 31, 1),
  SONICVIBES_DOUBLE("Master Playback Switch", 0, SV_IREG_LEFT_ANALOG, SV_IREG_RIGHT_ANALOG, 7, 7, 1, 1),
  SONICVIBES_DOUBLE("Master Playback Volume", 0, SV_IREG_LEFT_ANALOG, SV_IREG_RIGHT_ANALOG, 0, 0, 31, 1),
  SONICVIBES_DOUBLE("PCM Playback Switch", 0, SV_IREG_LEFT_PCM, SV_IREG_RIGHT_PCM, 7, 7, 1, 1),
  SONICVIBES_DOUBLE("PCM Playback Volume", 0, SV_IREG_LEFT_PCM, SV_IREG_RIGHT_PCM, 0, 0, 63, 1),
  SONICVIBES_SINGLE("Loopback Capture Switch", 0, SV_IREG_ADC_OUTPUT_CTRL, 0, 1, 0),
  SONICVIBES_SINGLE("Loopback Capture Volume", 0, SV_IREG_ADC_OUTPUT_CTRL, 2, 63, 1),
  SONICVIBES_MUX("Capture Source", 0)
  };

  static void snd_sonicvibes_master_free(struct snd_kcontrol *kcontrol)

  {

  	struct sonicvibes *sonic = snd_kcontrol_chip(kcontrol);

  	sonic->master_mute = NULL;
  	sonic->master_volume = NULL;
  }

  static int __devinit snd_sonicvibes_mixer(struct sonicvibes * sonic)

  {

  	struct snd_card *card;
  	struct snd_kcontrol *kctl;

  	unsigned int idx;
  	int err;
  
  	snd_assert(sonic != NULL && sonic->card != NULL, return -EINVAL);
  	card = sonic->card;
  	strcpy(card->mixername, "S3 SonicVibes");
  
  	for (idx = 0; idx < ARRAY_SIZE(snd_sonicvibes_controls); idx++) {
  		if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_sonicvibes_controls[idx], sonic))) < 0)
  			return err;
  		switch (idx) {
  		case 0:
  		case 1: kctl->private_free = snd_sonicvibes_master_free; break;
  		}
  	}
  	return 0;
  }
  
  /*
  
   */

  static void snd_sonicvibes_proc_read(struct snd_info_entry *entry, 
  				     struct snd_info_buffer *buffer)

  {

  	struct sonicvibes *sonic = entry->private_data;

  	unsigned char tmp;
  
  	tmp = sonic->srs_space & 0x0f;
  	snd_iprintf(buffer, "SRS 3D           : %s
  ",
  		    sonic->srs_space & 0x80 ? "off" : "on");
  	snd_iprintf(buffer, "SRS Space        : %s
  ",
  		    tmp == 0x00 ? "100%" :
  		    tmp == 0x01 ? "75%" :
  		    tmp == 0x02 ? "50%" :
  		    tmp == 0x03 ? "25%" : "0%");
  	tmp = sonic->srs_center & 0x0f;
  	snd_iprintf(buffer, "SRS Center       : %s
  ",
  		    tmp == 0x00 ? "100%" :
  		    tmp == 0x01 ? "75%" :
  		    tmp == 0x02 ? "50%" :
  		    tmp == 0x03 ? "25%" : "0%");
  	tmp = sonic->wave_source & 0x03;
  	snd_iprintf(buffer, "WaveTable Source : %s
  ",
  		    tmp == 0x00 ? "on-board ROM" :
  		    tmp == 0x01 ? "PCI bus" : "on-board ROM + PCI bus");
  	tmp = sonic->mpu_switch;
  	snd_iprintf(buffer, "Onboard synth    : %s
  ", tmp & 0x01 ? "on" : "off");
  	snd_iprintf(buffer, "Ext. Rx to synth : %s
  ", tmp & 0x02 ? "on" : "off");
  	snd_iprintf(buffer, "MIDI to ext. Tx  : %s
  ", tmp & 0x04 ? "on" : "off");
  }

  static void __devinit snd_sonicvibes_proc_init(struct sonicvibes * sonic)

  {

  	struct snd_info_entry *entry;

  
  	if (! snd_card_proc_new(sonic->card, "sonicvibes", &entry))

  		snd_info_set_text_ops(entry, sonic, snd_sonicvibes_proc_read);

  }
  
  /*
  
   */
  
  #ifdef SUPPORT_JOYSTICK

  static struct snd_kcontrol_new snd_sonicvibes_game_control __devinitdata =

  SONICVIBES_SINGLE("Joystick Speed", 0, SV_IREG_GAME_PORT, 1, 15, 0);

  static int __devinit snd_sonicvibes_create_gameport(struct sonicvibes *sonic)

  {
  	struct gameport *gp;
  
  	sonic->gameport = gp = gameport_allocate_port();
  	if (!gp) {
  		printk(KERN_ERR "sonicvibes: cannot allocate memory for gameport
  ");
  		return -ENOMEM;
  	}
  
  	gameport_set_name(gp, "SonicVibes Gameport");
  	gameport_set_phys(gp, "pci%s/gameport0", pci_name(sonic->pci));
  	gameport_set_dev_parent(gp, &sonic->pci->dev);
  	gp->io = sonic->game_port;
  
  	gameport_register_port(gp);
  
  	snd_ctl_add(sonic->card, snd_ctl_new1(&snd_sonicvibes_game_control, sonic));
  
  	return 0;
  }

  static void snd_sonicvibes_free_gameport(struct sonicvibes *sonic)

  {
  	if (sonic->gameport) {
  		gameport_unregister_port(sonic->gameport);
  		sonic->gameport = NULL;
  	}
  }
  #else

  static inline int snd_sonicvibes_create_gameport(struct sonicvibes *sonic) { return -ENOSYS; }
  static inline void snd_sonicvibes_free_gameport(struct sonicvibes *sonic) { }

  #endif

  static int snd_sonicvibes_free(struct sonicvibes *sonic)

  {
  	snd_sonicvibes_free_gameport(sonic);
  	pci_write_config_dword(sonic->pci, 0x40, sonic->dmaa_port);
  	pci_write_config_dword(sonic->pci, 0x48, sonic->dmac_port);
  	if (sonic->irq >= 0)

  		free_irq(sonic->irq, sonic);

  	release_and_free_resource(sonic->res_dmaa);
  	release_and_free_resource(sonic->res_dmac);

  	pci_release_regions(sonic->pci);
  	pci_disable_device(sonic->pci);
  	kfree(sonic);
  	return 0;
  }

  static int snd_sonicvibes_dev_free(struct snd_device *device)

  {

  	struct sonicvibes *sonic = device->device_data;

  	return snd_sonicvibes_free(sonic);
  }

  static int __devinit snd_sonicvibes_create(struct snd_card *card,

  					struct pci_dev *pci,
  					int reverb,
  					int mge,

  					struct sonicvibes ** rsonic)

  {

  	struct sonicvibes *sonic;

  	unsigned int dmaa, dmac;
  	int err;

  	static struct snd_device_ops ops = {

  		.dev_free =	snd_sonicvibes_dev_free,
  	};
  
  	*rsonic = NULL;
  	/* enable PCI device */
  	if ((err = pci_enable_device(pci)) < 0)
  		return err;
  	/* check, if we can restrict PCI DMA transfers to 24 bits */

          if (pci_set_dma_mask(pci, DMA_24BIT_MASK) < 0 ||
  	    pci_set_consistent_dma_mask(pci, DMA_24BIT_MASK) < 0) {

  		snd_printk(KERN_ERR "architecture does not support 24bit PCI busmaster DMA
  ");

  		pci_disable_device(pci);
                  return -ENXIO;
          }

  	sonic = kzalloc(sizeof(*sonic), GFP_KERNEL);

  	if (sonic == NULL) {
  		pci_disable_device(pci);
  		return -ENOMEM;
  	}
  	spin_lock_init(&sonic->reg_lock);
  	sonic->card = card;
  	sonic->pci = pci;
  	sonic->irq = -1;
  
  	if ((err = pci_request_regions(pci, "S3 SonicVibes")) < 0) {
  		kfree(sonic);
  		pci_disable_device(pci);
  		return err;
  	}
  
  	sonic->sb_port = pci_resource_start(pci, 0);
  	sonic->enh_port = pci_resource_start(pci, 1);
  	sonic->synth_port = pci_resource_start(pci, 2);
  	sonic->midi_port = pci_resource_start(pci, 3);
  	sonic->game_port = pci_resource_start(pci, 4);

  	if (request_irq(pci->irq, snd_sonicvibes_interrupt, IRQF_SHARED,
  			"S3 SonicVibes", sonic)) {

  		snd_printk(KERN_ERR "unable to grab IRQ %d
  ", pci->irq);

  		snd_sonicvibes_free(sonic);
  		return -EBUSY;
  	}
  	sonic->irq = pci->irq;
  
  	pci_read_config_dword(pci, 0x40, &dmaa);
  	pci_read_config_dword(pci, 0x48, &dmac);
  	dmaio &= ~0x0f;
  	dmaa &= ~0x0f;
  	dmac &= ~0x0f;
  	if (!dmaa) {
  		dmaa = dmaio;
  		dmaio += 0x10;

  		snd_printk(KERN_INFO "BIOS did not allocate DDMA channel A i/o, allocated at 0x%x
  ", dmaa);

  	}
  	if (!dmac) {
  		dmac = dmaio;
  		dmaio += 0x10;

  		snd_printk(KERN_INFO "BIOS did not allocate DDMA channel C i/o, allocated at 0x%x
  ", dmac);

  	}
  	pci_write_config_dword(pci, 0x40, dmaa);
  	pci_write_config_dword(pci, 0x48, dmac);
  
  	if ((sonic->res_dmaa = request_region(dmaa, 0x10, "S3 SonicVibes DDMA-A")) == NULL) {
  		snd_sonicvibes_free(sonic);

  		snd_printk(KERN_ERR "unable to grab DDMA-A port at 0x%x-0x%x
  ", dmaa, dmaa + 0x10 - 1);

  		return -EBUSY;
  	}
  	if ((sonic->res_dmac = request_region(dmac, 0x10, "S3 SonicVibes DDMA-C")) == NULL) {
  		snd_sonicvibes_free(sonic);

  		snd_printk(KERN_ERR "unable to grab DDMA-C port at 0x%x-0x%x
  ", dmac, dmac + 0x10 - 1);

  		return -EBUSY;
  	}
  
  	pci_read_config_dword(pci, 0x40, &sonic->dmaa_port);
  	pci_read_config_dword(pci, 0x48, &sonic->dmac_port);
  	sonic->dmaa_port &= ~0x0f;
  	sonic->dmac_port &= ~0x0f;
  	pci_write_config_dword(pci, 0x40, sonic->dmaa_port | 9);	/* enable + enhanced */
  	pci_write_config_dword(pci, 0x48, sonic->dmac_port | 9);	/* enable */
  	/* ok.. initialize S3 SonicVibes chip */
  	outb(SV_RESET, SV_REG(sonic, CONTROL));		/* reset chip */
  	udelay(100);
  	outb(0, SV_REG(sonic, CONTROL));	/* release reset */
  	udelay(100);
  	outb(SV_ENHANCED | SV_INTA | (reverb ? SV_REVERB : 0), SV_REG(sonic, CONTROL));
  	inb(SV_REG(sonic, STATUS));	/* clear IRQs */
  #if 1
  	snd_sonicvibes_out(sonic, SV_IREG_DRIVE_CTRL, 0);	/* drive current 16mA */
  #else
  	snd_sonicvibes_out(sonic, SV_IREG_DRIVE_CTRL, 0x40);	/* drive current 8mA */
  #endif
  	snd_sonicvibes_out(sonic, SV_IREG_PC_ENABLE, sonic->enable = 0);	/* disable playback & capture */
  	outb(sonic->irqmask = ~(SV_DMAA_MASK | SV_DMAC_MASK | SV_UD_MASK), SV_REG(sonic, IRQMASK));
  	inb(SV_REG(sonic, STATUS));	/* clear IRQs */
  	snd_sonicvibes_out(sonic, SV_IREG_ADC_CLOCK, 0);	/* use PLL as clock source */
  	snd_sonicvibes_out(sonic, SV_IREG_ANALOG_POWER, 0);	/* power up analog parts */
  	snd_sonicvibes_out(sonic, SV_IREG_DIGITAL_POWER, 0);	/* power up digital parts */
  	snd_sonicvibes_setpll(sonic, SV_IREG_ADC_PLL, 8000);
  	snd_sonicvibes_out(sonic, SV_IREG_SRS_SPACE, sonic->srs_space = 0x80);	/* SRS space off */
  	snd_sonicvibes_out(sonic, SV_IREG_SRS_CENTER, sonic->srs_center = 0x00);/* SRS center off */
  	snd_sonicvibes_out(sonic, SV_IREG_MPU401, sonic->mpu_switch = 0x05);	/* MPU-401 switch */
  	snd_sonicvibes_out(sonic, SV_IREG_WAVE_SOURCE, sonic->wave_source = 0x00);	/* onboard ROM */
  	snd_sonicvibes_out(sonic, SV_IREG_PCM_RATE_LOW, (8000 * 65536 / SV_FULLRATE) & 0xff);
  	snd_sonicvibes_out(sonic, SV_IREG_PCM_RATE_HIGH, ((8000 * 65536 / SV_FULLRATE) >> 8) & 0xff);
  	snd_sonicvibes_out(sonic, SV_IREG_LEFT_ADC, mge ? 0xd0 : 0xc0);
  	snd_sonicvibes_out(sonic, SV_IREG_RIGHT_ADC, 0xc0);
  	snd_sonicvibes_out(sonic, SV_IREG_LEFT_AUX1, 0x9f);
  	snd_sonicvibes_out(sonic, SV_IREG_RIGHT_AUX1, 0x9f);
  	snd_sonicvibes_out(sonic, SV_IREG_LEFT_CD, 0x9f);
  	snd_sonicvibes_out(sonic, SV_IREG_RIGHT_CD, 0x9f);
  	snd_sonicvibes_out(sonic, SV_IREG_LEFT_LINE, 0x9f);
  	snd_sonicvibes_out(sonic, SV_IREG_RIGHT_LINE, 0x9f);
  	snd_sonicvibes_out(sonic, SV_IREG_MIC, 0x8f);
  	snd_sonicvibes_out(sonic, SV_IREG_LEFT_SYNTH, 0x9f);
  	snd_sonicvibes_out(sonic, SV_IREG_RIGHT_SYNTH, 0x9f);
  	snd_sonicvibes_out(sonic, SV_IREG_LEFT_AUX2, 0x9f);
  	snd_sonicvibes_out(sonic, SV_IREG_RIGHT_AUX2, 0x9f);
  	snd_sonicvibes_out(sonic, SV_IREG_LEFT_ANALOG, 0x9f);
  	snd_sonicvibes_out(sonic, SV_IREG_RIGHT_ANALOG, 0x9f);
  	snd_sonicvibes_out(sonic, SV_IREG_LEFT_PCM, 0xbf);
  	snd_sonicvibes_out(sonic, SV_IREG_RIGHT_PCM, 0xbf);
  	snd_sonicvibes_out(sonic, SV_IREG_ADC_OUTPUT_CTRL, 0xfc);
  #if 0
  	snd_sonicvibes_debug(sonic);
  #endif
  	sonic->revision = snd_sonicvibes_in(sonic, SV_IREG_REVISION);
  
  	if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, sonic, &ops)) < 0) {
  		snd_sonicvibes_free(sonic);
  		return err;
  	}
  
  	snd_sonicvibes_proc_init(sonic);
  
  	snd_card_set_dev(card, &pci->dev);
  
  	*rsonic = sonic;
  	return 0;
  }
  
  /*
   *  MIDI section
   */

  static struct snd_kcontrol_new snd_sonicvibes_midi_controls[] __devinitdata = {

  SONICVIBES_SINGLE("SonicVibes Wave Source RAM", 0, SV_IREG_WAVE_SOURCE, 0, 1, 0),
  SONICVIBES_SINGLE("SonicVibes Wave Source RAM+ROM", 0, SV_IREG_WAVE_SOURCE, 1, 1, 0),
  SONICVIBES_SINGLE("SonicVibes Onboard Synth", 0, SV_IREG_MPU401, 0, 1, 0),
  SONICVIBES_SINGLE("SonicVibes External Rx to Synth", 0, SV_IREG_MPU401, 1, 1, 0),
  SONICVIBES_SINGLE("SonicVibes External Tx", 0, SV_IREG_MPU401, 2, 1, 0)
  };

  static int snd_sonicvibes_midi_input_open(struct snd_mpu401 * mpu)

  {

  	struct sonicvibes *sonic = mpu->private_data;

  	outb(sonic->irqmask &= ~SV_MIDI_MASK, SV_REG(sonic, IRQMASK));
  	return 0;
  }

  static void snd_sonicvibes_midi_input_close(struct snd_mpu401 * mpu)

  {

  	struct sonicvibes *sonic = mpu->private_data;

  	outb(sonic->irqmask |= SV_MIDI_MASK, SV_REG(sonic, IRQMASK));
  }

  static int __devinit snd_sonicvibes_midi(struct sonicvibes * sonic,
  					 struct snd_rawmidi *rmidi)

  {

  	struct snd_mpu401 * mpu = rmidi->private_data;
  	struct snd_card *card = sonic->card;
  	struct snd_rawmidi_str *dir;

  	unsigned int idx;
  	int err;
  
  	mpu->private_data = sonic;
  	mpu->open_input = snd_sonicvibes_midi_input_open;
  	mpu->close_input = snd_sonicvibes_midi_input_close;
  	dir = &rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT];
  	for (idx = 0; idx < ARRAY_SIZE(snd_sonicvibes_midi_controls); idx++)
  		if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_sonicvibes_midi_controls[idx], sonic))) < 0)
  			return err;
  	return 0;
  }
  
  static int __devinit snd_sonic_probe(struct pci_dev *pci,
  				     const struct pci_device_id *pci_id)
  {
  	static int dev;

  	struct snd_card *card;
  	struct sonicvibes *sonic;
  	struct snd_rawmidi *midi_uart;
  	struct snd_opl3 *opl3;

  	int idx, err;
  
  	if (dev >= SNDRV_CARDS)
  		return -ENODEV;
  	if (!enable[dev]) {
  		dev++;
  		return -ENOENT;
  	}
   
  	card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
  	if (card == NULL)
  		return -ENOMEM;
  	for (idx = 0; idx < 5; idx++) {
  		if (pci_resource_start(pci, idx) == 0 ||
  		    !(pci_resource_flags(pci, idx) & IORESOURCE_IO)) {
  			snd_card_free(card);
  			return -ENODEV;
  		}
  	}
  	if ((err = snd_sonicvibes_create(card, pci,
  					 reverb[dev] ? 1 : 0,
  					 mge[dev] ? 1 : 0,
  					 &sonic)) < 0) {
  		snd_card_free(card);
  		return err;
  	}
  
  	strcpy(card->driver, "SonicVibes");
  	strcpy(card->shortname, "S3 SonicVibes");

  	sprintf(card->longname, "%s rev %i at 0x%llx, irq %i",

  		card->shortname,
  		sonic->revision,

  		(unsigned long long)pci_resource_start(pci, 1),

  		sonic->irq);
  
  	if ((err = snd_sonicvibes_pcm(sonic, 0, NULL)) < 0) {
  		snd_card_free(card);
  		return err;
  	}
  	if ((err = snd_sonicvibes_mixer(sonic)) < 0) {
  		snd_card_free(card);
  		return err;
  	}
  	if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_SONICVIBES,

  				       sonic->midi_port, MPU401_INFO_INTEGRATED,

  				       sonic->irq, 0,
  				       &midi_uart)) < 0) {
  		snd_card_free(card);
  		return err;
  	}
  	snd_sonicvibes_midi(sonic, midi_uart);
  	if ((err = snd_opl3_create(card, sonic->synth_port,
  				   sonic->synth_port + 2,
  				   OPL3_HW_OPL3_SV, 1, &opl3)) < 0) {
  		snd_card_free(card);
  		return err;
  	}
  	if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
  		snd_card_free(card);
  		return err;
  	}
  
  	snd_sonicvibes_create_gameport(sonic);
  
  	if ((err = snd_card_register(card)) < 0) {
  		snd_card_free(card);
  		return err;
  	}
  	
  	pci_set_drvdata(pci, card);
  	dev++;
  	return 0;
  }
  
  static void __devexit snd_sonic_remove(struct pci_dev *pci)
  {
  	snd_card_free(pci_get_drvdata(pci));
  	pci_set_drvdata(pci, NULL);
  }
  
  static struct pci_driver driver = {
  	.name = "S3 SonicVibes",
  	.id_table = snd_sonic_ids,
  	.probe = snd_sonic_probe,
  	.remove = __devexit_p(snd_sonic_remove),
  };
  
  static int __init alsa_card_sonicvibes_init(void)
  {

  	return pci_register_driver(&driver);

  }
  
  static void __exit alsa_card_sonicvibes_exit(void)
  {
  	pci_unregister_driver(&driver);
  }
  
  module_init(alsa_card_sonicvibes_init)
  module_exit(alsa_card_sonicvibes_exit)