[PATCH] The scheduled removal of some OSS drivers

This patch contains the scheduled removal of OSS drivers that:
- have ALSA drivers for the same hardware without known regressions and
- whose Kconfig options have been removed in 2.6.17.

[michal.k.k.piotrowski@gmail.com: build fix]
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Michal Piotrowski <michal.k.k.piotrowski@gmail.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 0 insertions, 3464 deletions

diff --git a/sound/oss/gus_wave.c b/sound/oss/gus_wave.c
deleted file mode 100644
index 597db7aee63..00000000000
--- a/sound/oss/gus_wave.c
+++ /dev/null
@@ -1,3464 +0,0 @@
-/*
- * sound/oss/gus_wave.c
- *
- * Driver for the Gravis UltraSound wave table synth.
- *
- *
- * Copyright (C) by Hannu Savolainen 1993-1997
- *
- * OSS/Free for Linux is distributed under the GNU GENERAL PUBLIC LICENSE (GPL)
- * Version 2 (June 1991). See the "COPYING" file distributed with this software
- * for more info.
- *
- *
- * Thomas Sailer    : ioctl code reworked (vmalloc/vfree removed)
- * Frank van de Pol : Fixed GUS MAX interrupt handling. Enabled simultanious
- *                    usage of CS4231A codec, GUS wave and MIDI for GUS MAX.
- * Bartlomiej Zolnierkiewicz : added some __init/__exit
- */
- 
-#include <linux/init.h> 
-#include <linux/config.h>
-#include <linux/spinlock.h>
-
-#define GUSPNP_AUTODETECT
-
-#include "sound_config.h"
-#include <linux/ultrasound.h>
-
-#include "gus.h"
-#include "gus_hw.h"
-
-#define GUS_BANK_SIZE (((iw_mode) ? 256*1024*1024 : 256*1024))
-
-#define MAX_SAMPLE	150
-#define MAX_PATCH	256
-
-#define NOT_SAMPLE	0xffff
-
-struct voice_info
-{
-	unsigned long   orig_freq;
-	unsigned long   current_freq;
-	unsigned long   mode;
-	int             fixed_pitch;
-	int             bender;
-	int             bender_range;
-	int             panning;
-	int             midi_volume;
-	unsigned int    initial_volume;
-	unsigned int    current_volume;
-	int             loop_irq_mode, loop_irq_parm;
-#define LMODE_FINISH		1
-#define LMODE_PCM		2
-#define LMODE_PCM_STOP		3
-	int             volume_irq_mode, volume_irq_parm;
-#define VMODE_HALT		1
-#define VMODE_ENVELOPE		2
-#define VMODE_START_NOTE	3
-
-	int             env_phase;
-	unsigned char   env_rate[6];
-	unsigned char   env_offset[6];
-
-	/*
-	 * Volume computation parameters for gus_adagio_vol()
-	 */
-	int		main_vol, expression_vol, patch_vol;
-
-	/* Variables for "Ultraclick" removal */
-	int             dev_pending, note_pending, volume_pending,
-	                sample_pending;
-	char            kill_pending;
-	long            offset_pending;
-
-};
-
-static struct voice_alloc_info *voice_alloc;
-static struct address_info *gus_hw_config;
-extern int      gus_base;
-extern int      gus_irq, gus_dma;
-extern int      gus_pnp_flag;
-extern int      gus_no_wave_dma;
-static int      gus_dma2 = -1;
-static int      dual_dma_mode;
-static long     gus_mem_size;
-static long     free_mem_ptr;
-static int      gus_busy;
-static int      gus_no_dma;
-static int      nr_voices;
-static int      gus_devnum;
-static int      volume_base, volume_scale, volume_method;
-static int      gus_recmask = SOUND_MASK_MIC;
-static int      recording_active;
-static int      only_read_access;
-static int      only_8_bits;
-
-static int      iw_mode = 0;
-int             gus_wave_volume = 60;
-int             gus_pcm_volume = 80;
-int             have_gus_max = 0;
-static int      gus_line_vol = 100, gus_mic_vol;
-static unsigned char mix_image = 0x00;
-
-int             gus_timer_enabled = 0;
-
-/*
- * Current version of this driver doesn't allow synth and PCM functions
- * at the same time. The active_device specifies the active driver
- */
-
-static int      active_device;
-
-#define GUS_DEV_WAVE		1	/* Wave table synth */
-#define GUS_DEV_PCM_DONE	2	/* PCM device, transfer done */
-#define GUS_DEV_PCM_CONTINUE	3	/* PCM device, transfer done ch. 1/2 */
-
-static int      gus_audio_speed;
-static int      gus_audio_channels;
-static int      gus_audio_bits;
-static int      gus_audio_bsize;
-static char     bounce_buf[8 * 1024];	/* Must match value set to max_fragment */
-
-static DECLARE_WAIT_QUEUE_HEAD(dram_sleeper);
-
-/*
- * Variables and buffers for PCM output
- */
-
-#define MAX_PCM_BUFFERS		(128*MAX_REALTIME_FACTOR)	/* Don't change */
-
-static int      pcm_bsize, pcm_nblk, pcm_banksize;
-static int      pcm_datasize[MAX_PCM_BUFFERS];
-static volatile int pcm_head, pcm_tail, pcm_qlen;
-static volatile int pcm_active;
-static volatile int dma_active;
-static int      pcm_opened;
-static int      pcm_current_dev;
-static int      pcm_current_block;
-static unsigned long pcm_current_buf;
-static int      pcm_current_count;
-static int      pcm_current_intrflag;
-DEFINE_SPINLOCK(gus_lock);
-
-extern int     *gus_osp;
-
-static struct voice_info voices[32];
-
-static int      freq_div_table[] =
-{
-	44100,			/* 14 */
-	41160,			/* 15 */
-	38587,			/* 16 */
-	36317,			/* 17 */
-	34300,			/* 18 */
-	32494,			/* 19 */
-	30870,			/* 20 */
-	29400,			/* 21 */
-	28063,			/* 22 */
-	26843,			/* 23 */
-	25725,			/* 24 */
-	24696,			/* 25 */
-	23746,			/* 26 */
-	22866,			/* 27 */
-	22050,			/* 28 */
-	21289,			/* 29 */
-	20580,			/* 30 */
-	19916,			/* 31 */
-	19293			/* 32 */
-};
-
-static struct patch_info *samples;
-static long     sample_ptrs[MAX_SAMPLE + 1];
-static int      sample_map[32];
-static int      free_sample;
-static int      mixer_type;
-
-
-static int      patch_table[MAX_PATCH];
-static int      patch_map[32];
-
-static struct synth_info gus_info = {
-	"Gravis UltraSound", 0, SYNTH_TYPE_SAMPLE, SAMPLE_TYPE_GUS, 
-	0, 16, 0, MAX_PATCH
-};
-
-static void     gus_poke(long addr, unsigned char data);
-static void     compute_and_set_volume(int voice, int volume, int ramp_time);
-extern unsigned short gus_adagio_vol(int vel, int mainv, int xpn, int voicev);
-extern unsigned short gus_linear_vol(int vol, int mainvol);
-static void     compute_volume(int voice, int volume);
-static void     do_volume_irq(int voice);
-static void     set_input_volumes(void);
-static void     gus_tmr_install(int io_base);
-
-#define	INSTANT_RAMP		-1	/* Instant change. No ramping */
-#define FAST_RAMP		0	/* Fastest possible ramp */
-
-static void reset_sample_memory(void)
-{
-	int i;
-
-	for (i = 0; i <= MAX_SAMPLE; i++)
-		sample_ptrs[i] = -1;
-	for (i = 0; i < 32; i++)
-		sample_map[i] = -1;
-	for (i = 0; i < 32; i++)
-		patch_map[i] = -1;
-
-	gus_poke(0, 0);		/* Put a silent sample to the beginning */
-	gus_poke(1, 0);
-	free_mem_ptr = 2;
-
-	free_sample = 0;
-
-	for (i = 0; i < MAX_PATCH; i++)
-		patch_table[i] = NOT_SAMPLE;
-}
-
-void gus_delay(void)
-{
-	int i;
-
-	for (i = 0; i < 7; i++)
-		inb(u_DRAMIO);
-}
-
-static void gus_poke(long addr, unsigned char data)
-{				/* Writes a byte to the DRAM */
-	outb((0x43), u_Command);
-	outb((addr & 0xff), u_DataLo);
-	outb(((addr >> 8) & 0xff), u_DataHi);
-
-	outb((0x44), u_Command);
-	outb(((addr >> 16) & 0xff), u_DataHi);
-	outb((data), u_DRAMIO);
-}
-
-static unsigned char gus_peek(long addr)
-{				/* Reads a byte from the DRAM */
-	unsigned char   tmp;
-
-	outb((0x43), u_Command);
-	outb((addr & 0xff), u_DataLo);
-	outb(((addr >> 8) & 0xff), u_DataHi);
-
-	outb((0x44), u_Command);
-	outb(((addr >> 16) & 0xff), u_DataHi);
-	tmp = inb(u_DRAMIO);
-
-	return tmp;
-}
-
-void gus_write8(int reg, unsigned int data)
-{				/* Writes to an indirect register (8 bit) */
-	outb((reg), u_Command);
-	outb(((unsigned char) (data & 0xff)), u_DataHi);
-}
-
-static unsigned char gus_read8(int reg)
-{				
-	/* Reads from an indirect register (8 bit). Offset 0x80. */
-	unsigned char   val;
-
-	outb((reg | 0x80), u_Command);
-	val = inb(u_DataHi);
-
-	return val;
-}
-
-static unsigned char gus_look8(int reg)
-{
-	/* Reads from an indirect register (8 bit). No additional offset. */
-	unsigned char   val;
-
-	outb((reg), u_Command);
-	val = inb(u_DataHi);
-
-	return val;
-}
-
-static void gus_write16(int reg, unsigned int data)
-{
-	/* Writes to an indirect register (16 bit) */
-	outb((reg), u_Command);
-
-	outb(((unsigned char) (data & 0xff)), u_DataLo);
-	outb(((unsigned char) ((data >> 8) & 0xff)), u_DataHi);
-}
-
-static unsigned short gus_read16(int reg)
-{
-	/* Reads from an indirect register (16 bit). Offset 0x80. */
-	unsigned char   hi, lo;
-
-	outb((reg | 0x80), u_Command);
-
-	lo = inb(u_DataLo);
-	hi = inb(u_DataHi);
-
-	return ((hi << 8) & 0xff00) | lo;
-}
-
-static unsigned short gus_look16(int reg)
-{		
-	/* Reads from an indirect register (16 bit). No additional offset. */
-	unsigned char   hi, lo;
-
-	outb((reg), u_Command);
-
-	lo = inb(u_DataLo);
-	hi = inb(u_DataHi);
-
-	return ((hi << 8) & 0xff00) | lo;
-}
-
-static void gus_write_addr(int reg, unsigned long address, int frac, int is16bit)
-{
-	/* Writes an 24 bit memory address */
-	unsigned long   hold_address;
-
-	if (is16bit)
-	{
-		if (iw_mode)
-		{
-			/* Interwave spesific address translations */
-			address >>= 1;
-		}
-		else
-		{
-			/*
-			 * Special processing required for 16 bit patches
-			 */
-
-			hold_address = address;
-			address = address >> 1;
-			address &= 0x0001ffffL;
-			address |= (hold_address & 0x000c0000L);
-		}
-	}
-	gus_write16(reg, (unsigned short) ((address >> 7) & 0xffff));
-	gus_write16(reg + 1, (unsigned short) ((address << 9) & 0xffff)
-		    + (frac << 5));
-	/* Could writing twice fix problems with GUS_VOICE_POS()? Let's try. */
-	gus_delay();
-	gus_write16(reg, (unsigned short) ((address >> 7) & 0xffff));
-	gus_write16(reg + 1, (unsigned short) ((address << 9) & 0xffff)
-		    + (frac << 5));
-}
-
-static void gus_select_voice(int voice)
-{
-	if (voice < 0 || voice > 31)
-		return;
-	outb((voice), u_Voice);
-}
-
-static void gus_select_max_voices(int nvoices)
-{
-	if (iw_mode)
-		nvoices = 32;
-	if (nvoices < 14)
-		nvoices = 14;
-	if (nvoices > 32)
-		nvoices = 32;
-
-	voice_alloc->max_voice = nr_voices = nvoices;
-	gus_write8(0x0e, (nvoices - 1) | 0xc0);
-}
-
-static void gus_voice_on(unsigned int mode)
-{
-	gus_write8(0x00, (unsigned char) (mode & 0xfc));
-	gus_delay();
-	gus_write8(0x00, (unsigned char) (mode & 0xfc));
-}
-
-static void gus_voice_off(void)
-{
-	gus_write8(0x00, gus_read8(0x00) | 0x03);
-}
-
-static void gus_voice_mode(unsigned int m)
-{
-	unsigned char   mode = (unsigned char) (m & 0xff);
-
-	gus_write8(0x00, (gus_read8(0x00) & 0x03) |
-		   (mode & 0xfc));	/* Don't touch last two bits */
-	gus_delay();
-	gus_write8(0x00, (gus_read8(0x00) & 0x03) | (mode & 0xfc));
-}
-
-static void gus_voice_freq(unsigned long freq)
-{
-	unsigned long   divisor = freq_div_table[nr_voices - 14];
-	unsigned short  fc;
-
-	/* Interwave plays at 44100 Hz with any number of voices */
-	if (iw_mode)
-		fc = (unsigned short) (((freq << 9) + (44100 >> 1)) / 44100);
-	else
-		fc = (unsigned short) (((freq << 9) + (divisor >> 1)) / divisor);
-	fc = fc << 1;
-
-	gus_write16(0x01, fc);
-}
-
-static void gus_voice_volume(unsigned int vol)
-{
-	gus_write8(0x0d, 0x03);	/* Stop ramp before setting volume */
-	gus_write16(0x09, (unsigned short) (vol << 4));
-}
-
-static void gus_voice_balance(unsigned int balance)
-{
-	gus_write8(0x0c, (unsigned char) (balance & 0xff));
-}
-
-static void gus_ramp_range(unsigned int low, unsigned int high)
-{
-	gus_write8(0x07, (unsigned char) ((low >> 4) & 0xff));
-	gus_write8(0x08, (unsigned char) ((high >> 4) & 0xff));
-}
-
-static void gus_ramp_rate(unsigned int scale, unsigned int rate)
-{
-	gus_write8(0x06, (unsigned char) (((scale & 0x03) << 6) | (rate & 0x3f)));
-}
-
-static void gus_rampon(unsigned int m)
-{
-	unsigned char   mode = (unsigned char) (m & 0xff);
-
-	gus_write8(0x0d, mode & 0xfc);
-	gus_delay();
-	gus_write8(0x0d, mode & 0xfc);
-}
-
-static void gus_ramp_mode(unsigned int m)
-{
-	unsigned char mode = (unsigned char) (m & 0xff);
-
-	gus_write8(0x0d, (gus_read8(0x0d) & 0x03) |
-		   (mode & 0xfc));	/* Leave the last 2 bits alone */
-	gus_delay();
-	gus_write8(0x0d, (gus_read8(0x0d) & 0x03) | (mode & 0xfc));
-}
-
-static void gus_rampoff(void)
-{
-	gus_write8(0x0d, 0x03);
-}
-
-static void gus_set_voice_pos(int voice, long position)
-{
-	int sample_no;
-
-	if ((sample_no = sample_map[voice]) != -1) {
-		if (position < samples[sample_no].len) {
-			if (voices[voice].volume_irq_mode == VMODE_START_NOTE)
-				voices[voice].offset_pending = position;
-			else
-				gus_write_addr(0x0a, sample_ptrs[sample_no] + position, 0,
-				 samples[sample_no].mode & WAVE_16_BITS);
-		}
-	}
-}
-
-static void gus_voice_init(int voice)
-{
-	unsigned long   flags;
-
-	spin_lock_irqsave(&gus_lock,flags);
-	gus_select_voice(voice);
-	gus_voice_volume(0);
-	gus_voice_off();
-	gus_write_addr(0x0a, 0, 0, 0);	/* Set current position to 0 */
-	gus_write8(0x00, 0x03);	/* Voice off */
-	gus_write8(0x0d, 0x03);	/* Ramping off */
-	voice_alloc->map[voice] = 0;
-	voice_alloc->alloc_times[voice] = 0;
-	spin_unlock_irqrestore(&gus_lock,flags);
-
-}
-
-static void gus_voice_init2(int voice)
-{
-	voices[voice].panning = 0;
-	voices[voice].mode = 0;
-	voices[voice].orig_freq = 20000;
-	voices[voice].current_freq = 20000;
-	voices[voice].bender = 0;
-	voices[voice].bender_range = 200;
-	voices[voice].initial_volume = 0;
-	voices[voice].current_volume = 0;
-	voices[voice].loop_irq_mode = 0;
-	voices[voice].loop_irq_parm = 0;
-	voices[voice].volume_irq_mode = 0;
-	voices[voice].volume_irq_parm = 0;
-	voices[voice].env_phase = 0;
-	voices[voice].main_vol = 127;
-	voices[voice].patch_vol = 127;
-	voices[voice].expression_vol = 127;
-	voices[voice].sample_pending = -1;
-	voices[voice].fixed_pitch = 0;
-}
-
-static void step_envelope(int voice)
-{
-	unsigned        vol, prev_vol, phase;
-	unsigned char   rate;
-	unsigned long flags;
-
-	if (voices[voice].mode & WAVE_SUSTAIN_ON && voices[voice].env_phase == 2)
-	{
-		spin_lock_irqsave(&gus_lock,flags);
-		gus_select_voice(voice);
-		gus_rampoff();
-		spin_unlock_irqrestore(&gus_lock,flags);
-		return;
-		/*
-		 * Sustain phase begins. Continue envelope after receiving note off.
-		 */
-	}
-	if (voices[voice].env_phase >= 5)
-	{
-		/* Envelope finished. Shoot the voice down */
-		gus_voice_init(voice);
-		return;
-	}
-	prev_vol = voices[voice].current_volume;
-	phase = ++voices[voice].env_phase;
-	compute_volume(voice, voices[voice].midi_volume);
-	vol = voices[voice].initial_volume * voices[voice].env_offset[phase] / 255;
-	rate = voices[voice].env_rate[phase];
-
-	spin_lock_irqsave(&gus_lock,flags);
-	gus_select_voice(voice);
-
-	gus_voice_volume(prev_vol);
-
-
-	gus_write8(0x06, rate);	/* Ramping rate */
-
-	voices[voice].volume_irq_mode = VMODE_ENVELOPE;
-
-	if (((vol - prev_vol) / 64) == 0)	/* No significant volume change */
-	{
-		spin_unlock_irqrestore(&gus_lock,flags);
-		step_envelope(voice);		/* Continue the envelope on the next step */
-		return;
-	}
-	if (vol > prev_vol)
-	{
-		if (vol >= (4096 - 64))
-			vol = 4096 - 65;
-		gus_ramp_range(0, vol);
-		gus_rampon(0x20);	/* Increasing volume, with IRQ */
-	}
-	else
-	{
-		if (vol <= 64)
-			vol = 65;
-		gus_ramp_range(vol, 4030);
-		gus_rampon(0x60);	/* Decreasing volume, with IRQ */
-	}
-	voices[voice].current_volume = vol;
-	spin_unlock_irqrestore(&gus_lock,flags);
-}
-
-static void init_envelope(int voice)
-{
-	voices[voice].env_phase = -1;
-	voices[voice].current_volume = 64;
-
-	step_envelope(voice);
-}
-
-static void start_release(int voice)
-{
-	if (gus_read8(0x00) & 0x03)
-		return;		/* Voice already stopped */
-
-	voices[voice].env_phase = 2;	/* Will be incremented by step_envelope */
-
-	voices[voice].current_volume = voices[voice].initial_volume =
-						gus_read16(0x09) >> 4;	/* Get current volume */
-
-	voices[voice].mode &= ~WAVE_SUSTAIN_ON;
-	gus_rampoff();
-	step_envelope(voice);
-}
-
-static void gus_voice_fade(int voice)
-{
-	int instr_no = sample_map[voice], is16bits;
-	unsigned long flags;
-
-	spin_lock_irqsave(&gus_lock,flags);
-	gus_select_voice(voice);
-
-	if (instr_no < 0 || instr_no > MAX_SAMPLE)
-	{
-		gus_write8(0x00, 0x03);	/* Hard stop */
-		voice_alloc->map[voice] = 0;
-		spin_unlock_irqrestore(&gus_lock,flags);
-		return;
-	}
-	is16bits = (samples[instr_no].mode & WAVE_16_BITS) ? 1 : 0;	/* 8 or 16 bits */
-
-	if (voices[voice].mode & WAVE_ENVELOPES)
-	{
-		start_release(voice);
-		spin_unlock_irqrestore(&gus_lock,flags);
-		return;
-	}
-	/*
-	 * Ramp the volume down but not too quickly.
-	 */
-	if ((int) (gus_read16(0x09) >> 4) < 100)	/* Get current volume */
-	{
-		gus_voice_off();
-		gus_rampoff();
-		gus_voice_init(voice);
-		spin_unlock_irqrestore(&gus_lock,flags);
-		return;
-	}
-	gus_ramp_range(65, 4030);
-	gus_ramp_rate(2, 4);
-	gus_rampon(0x40 | 0x20);	/* Down, once, with IRQ */
-	voices[voice].volume_irq_mode = VMODE_HALT;
-	spin_unlock_irqrestore(&gus_lock,flags);
-}
-
-static void gus_reset(void)
-{
-	int i;
-
-	gus_select_max_voices(24);
-	volume_base = 3071;
-	volume_scale = 4;
-	volume_method = VOL_METHOD_ADAGIO;
-
-	for (i = 0; i < 32; i++)
-	{
-		gus_voice_init(i);	/* Turn voice off */
-		gus_voice_init2(i);
-	}
-}
-
-static void gus_initialize(void)
-{
-	unsigned long flags;
-	unsigned char dma_image, irq_image, tmp;
-
-	static unsigned char gus_irq_map[16] = 	{
-		0, 0, 0, 3, 0, 2, 0, 4, 0, 1, 0, 5, 6, 0, 0, 7
-	};
-
-	static unsigned char gus_dma_map[8] = {
-		0, 1, 0, 2, 0, 3, 4, 5
-	};
-
-	spin_lock_irqsave(&gus_lock,flags);
-	gus_write8(0x4c, 0);	/* Reset GF1 */
-	gus_delay();
-	gus_delay();
-
-	gus_write8(0x4c, 1);	/* Release Reset */
-	gus_delay();
-	gus_delay();
-
-	/*
-	 * Clear all interrupts
-	 */
-
-	gus_write8(0x41, 0);	/* DMA control */
-	gus_write8(0x45, 0);	/* Timer control */
-	gus_write8(0x49, 0);	/* Sample control */
-
-	gus_select_max_voices(24);
-
-	inb(u_Status);		/* Touch the status register */
-
-	gus_look8(0x41);	/* Clear any pending DMA IRQs */
-	gus_look8(0x49);	/* Clear any pending sample IRQs */
-	gus_read8(0x0f);	/* Clear pending IRQs */
-
-	gus_reset();		/* Resets all voices */
-
-	gus_look8(0x41);	/* Clear any pending DMA IRQs */
-	gus_look8(0x49);	/* Clear any pending sample IRQs */
-	gus_read8(0x0f);	/* Clear pending IRQs */
-
-	gus_write8(0x4c, 7);	/* Master reset | DAC enable | IRQ enable */
-
-	/*
-	 * Set up for Digital ASIC
-	 */
-
-	outb((0x05), gus_base + 0x0f);
-
-	mix_image |= 0x02;	/* Disable line out (for a moment) */
-	outb((mix_image), u_Mixer);
-
-	outb((0x00), u_IRQDMAControl);
-
-	outb((0x00), gus_base + 0x0f);
-
-	/*
-	 * Now set up the DMA and IRQ interface
-	 *
-	 * The GUS supports two IRQs and two DMAs.
-	 *
-	 * Just one DMA channel is used. This prevents simultaneous ADC and DAC.
-	 * Adding this support requires significant changes to the dmabuf.c, dsp.c
-	 * and audio.c also.
-	 */
-
-	irq_image = 0;
-	tmp = gus_irq_map[gus_irq];
-	if (!gus_pnp_flag && !tmp)
-		printk(KERN_WARNING "Warning! GUS IRQ not selected\n");
-	irq_image |= tmp;
-	irq_image |= 0x40;	/* Combine IRQ1 (GF1) and IRQ2 (Midi) */
-
-	dual_dma_mode = 1;
-	if (gus_dma2 == gus_dma || gus_dma2 == -1)
-	{
-		dual_dma_mode = 0;
-		dma_image = 0x40;	/* Combine DMA1 (DRAM) and IRQ2 (ADC) */
-
-		tmp = gus_dma_map[gus_dma];
-		if (!tmp)
-			printk(KERN_WARNING "Warning! GUS DMA not selected\n");
-
-		dma_image |= tmp;
-	}
-	else
-	{
-		/* Setup dual DMA channel mode for GUS MAX */
-
-		dma_image = gus_dma_map[gus_dma];
-		if (!dma_image)
-			printk(KERN_WARNING "Warning! GUS DMA not selected\n");
-
-		tmp = gus_dma_map[gus_dma2] << 3;
-		if (!tmp)
-		{
-			printk(KERN_WARNING "Warning! Invalid GUS MAX DMA\n");
-			tmp = 0x40;		/* Combine DMA channels */
-			    dual_dma_mode = 0;
-		}
-		dma_image |= tmp;
-	}
-
-	/*
-	 * For some reason the IRQ and DMA addresses must be written twice
-	 */
-
-	/*
-	 * Doing it first time
-	 */
-
-	outb((mix_image), u_Mixer);	/* Select DMA control */
-	outb((dma_image | 0x80), u_IRQDMAControl);	/* Set DMA address */
-
-	outb((mix_image | 0x40), u_Mixer);	/* Select IRQ control */
-	outb((irq_image), u_IRQDMAControl);	/* Set IRQ address */
-
-	/*
-	 * Doing it second time
-	 */
-
-	outb((mix_image), u_Mixer);	/* Select DMA control */
-	outb((dma_image), u_IRQDMAControl);	/* Set DMA address */
-
-	outb((mix_image | 0x40), u_Mixer);	/* Select IRQ control */
-	outb((irq_image), u_IRQDMAControl);	/* Set IRQ address */
-
-	gus_select_voice(0);	/* This disables writes to IRQ/DMA reg */
-
-	mix_image &= ~0x02;	/* Enable line out */
-	mix_image |= 0x08;	/* Enable IRQ */
-	outb((mix_image), u_Mixer);	/*
-					 * Turn mixer channels on
-					 * Note! Mic in is left off.
-					 */
-
-	gus_select_voice(0);	/* This disables writes to IRQ/DMA reg */
-
-	gusintr(gus_irq, (void *)gus_hw_config, NULL);	/* Serve pending interrupts */
-
-	inb(u_Status);		/* Touch the status register */
-
-	gus_look8(0x41);	/* Clear any pending DMA IRQs */
-	gus_look8(0x49);	/* Clear any pending sample IRQs */
-
-	gus_read8(0x0f);	/* Clear pending IRQs */
-
-	if (iw_mode)
-		gus_write8(0x19, gus_read8(0x19) | 0x01);
-	spin_unlock_irqrestore(&gus_lock,flags);
-}
-
-
-static void __init pnp_mem_init(void)
-{
-#include "iwmem.h"
-#define CHUNK_SIZE (256*1024)
-#define BANK_SIZE (4*1024*1024)
-#define CHUNKS_PER_BANK (BANK_SIZE/CHUNK_SIZE)
-
-	int bank, chunk, addr, total = 0;
-	int bank_sizes[4];
-	int i, j, bits = -1, testbits = -1, nbanks = 0;
-
-	/*
-	 * This routine determines what kind of RAM is installed in each of the four
-	 * SIMM banks and configures the DRAM address decode logic accordingly.
-	 */
-
-	/*
-	 *    Place the chip into enhanced mode
-	 */
-	gus_write8(0x19, gus_read8(0x19) | 0x01);
-	gus_write8(0x53, gus_look8(0x53) & ~0x02);	/* Select DRAM I/O access */
-
-	/*
-	 * Set memory configuration to 4 DRAM banks of 4M in each (16M total).
-	 */
-
-	gus_write16(0x52, (gus_look16(0x52) & 0xfff0) | 0x000c);
-
-	/*
-	 * Perform the DRAM size detection for each bank individually.
-	 */
-	for (bank = 0; bank < 4; bank++)
-	{
-		int size = 0;
-
-		addr = bank * BANK_SIZE;
-
-		/* Clean check points of each chunk */
-		for (chunk = 0; chunk < CHUNKS_PER_BANK; chunk++)
-		{
-			gus_poke(addr + chunk * CHUNK_SIZE + 0L, 0x00);
-			gus_poke(addr + chunk * CHUNK_SIZE + 1L, 0x00);
-		}
-
-		/* Write a value to each chunk point and verify the result */
-		for (chunk = 0; chunk < CHUNKS_PER_BANK; chunk++)
-		{
-			gus_poke(addr + chunk * CHUNK_SIZE + 0L, 0x55);
-			gus_poke(addr + chunk * CHUNK_SIZE + 1L, 0xAA);
-
-			if (gus_peek(addr + chunk * CHUNK_SIZE + 0L) == 0x55 &&
-				gus_peek(addr + chunk * CHUNK_SIZE + 1L) == 0xAA)
-			{
-				/* OK. There is RAM. Now check for possible shadows */
-				int ok = 1, chunk2;
-
-				for (chunk2 = 0; ok && chunk2 < chunk; chunk2++)
-					if (gus_peek(addr + chunk2 * CHUNK_SIZE + 0L) ||
-							gus_peek(addr + chunk2 * CHUNK_SIZE + 1L))
-						ok = 0;	/* Addressing wraps */
-
-				if (ok)
-					size = (chunk + 1) * CHUNK_SIZE;
-			}
-			gus_poke(addr + chunk * CHUNK_SIZE + 0L, 0x00);
-			gus_poke(addr + chunk * CHUNK_SIZE + 1L, 0x00);
-		}
-		bank_sizes[bank] = size;
-		if (size)
-			nbanks = bank + 1;
-		DDB(printk("Interwave: Bank %d, size=%dk\n", bank, size / 1024));
-	}
-
-	if (nbanks == 0)	/* No RAM - Give up */
-	{
-		printk(KERN_ERR "Sound: An Interwave audio chip detected but no DRAM\n");
-		printk(KERN_ERR "Sound: Unable to work with this card.\n");
-		gus_write8(0x19, gus_read8(0x19) & ~0x01);
-		gus_mem_size = 0;
-		return;
-	}
-
-	/*
-	 * Now we know how much DRAM there is in each bank. The next step is
-	 * to find a DRAM size encoding (0 to 12) which is best for the combination
-	 * we have.
-	 *
-	 * First try if any of the possible alternatives matches exactly the amount
-	 * of memory we have.
-	 */
-
-	for (i = 0; bits == -1 && i < 13; i++)
-	{
-		bits = i;
-
-		for (j = 0; bits != -1 && j < 4; j++)
-			if (mem_decode[i][j] != bank_sizes[j])
-				bits = -1;	/* No hit */
-	}
-
-	/*
-	 * If necessary, try to find a combination where other than the last
-	 * bank matches our configuration and the last bank is left oversized.
-	 * In this way we don't leave holes in the middle of memory.
-	 */
-
-	if (bits == -1)		/* No luck yet */
-	{
-		for (i = 0; bits == -1 && i < 13; i++)
-		{
-			bits = i;
-
-			for (j = 0; bits != -1 && j < nbanks - 1; j++)
-				if (mem_decode[i][j] != bank_sizes[j])
-					bits = -1;	/* No hit */
-			if (mem_decode[i][nbanks - 1] < bank_sizes[nbanks - 1])
-				bits = -1;	/* The last bank is too small */
-		}
-	}
-	/*
- 	 * The last resort is to search for a combination where the banks are
- 	 * smaller than the actual SIMMs. This leaves some memory in the banks
- 	 * unused but doesn't leave holes in the DRAM address space.
- 	 */
- 	if (bits == -1)		/* No luck yet */
- 	{
- 		for (i = 0; i < 13; i++)
- 		{
- 			testbits = i;
- 			for (j = 0; testbits != -1 && j < nbanks - 1; j++)
- 				if (mem_decode[i][j] > bank_sizes[j]) {
- 					testbits = -1;
- 				}
- 			if(testbits > bits) bits = testbits;
- 		}
- 		if (bits != -1)
- 		{
-			printk(KERN_INFO "Interwave: Can't use all installed RAM.\n");
-			printk(KERN_INFO "Interwave: Try reordering SIMMS.\n");
-		}
-		printk(KERN_INFO "Interwave: Can't find working DRAM encoding.\n");
-		printk(KERN_INFO "Interwave: Defaulting to 256k. Try reordering SIMMS.\n");
-		bits = 0;
-	}
-	DDB(printk("Interwave: Selecting DRAM addressing mode %d\n", bits));
-
-	for (bank = 0; bank < 4; bank++)
-	{
-		DDB(printk("  Bank %d, mem=%dk (limit %dk)\n", bank, bank_sizes[bank] / 1024, mem_decode[bits][bank] / 1024));
-
-		if (bank_sizes[bank] > mem_decode[bits][bank])
-			total += mem_decode[bits][bank];
-		else
-			total += bank_sizes[bank];
-	}
-
-	DDB(printk("Total %dk of DRAM (enhanced mode)\n", total / 1024));
-
-	/*
-	 *    Set the memory addressing mode.
-	 */
-	gus_write16(0x52, (gus_look16(0x52) & 0xfff0) | bits);
-
-/*      Leave the chip into enhanced mode. Disable LFO  */
-	gus_mem_size = total;
-	iw_mode = 1;
-	gus_write8(0x19, (gus_read8(0x19) | 0x01) & ~0x02);
-}
-
-int __init gus_wave_detect(int baseaddr)
-{
-	unsigned long   i, max_mem = 1024L;
-	unsigned long   loc;
-	unsigned char   val;
-
-	if (!request_region(baseaddr, 16, "GUS"))
-		return 0;
-	if (!request_region(baseaddr + 0x100, 12, "GUS")) { /* 0x10c-> is MAX */
-		release_region(baseaddr, 16);
-		return 0;
-	}
-
-	gus_base = baseaddr;
-
-	gus_write8(0x4c, 0);	/* Reset GF1 */
-	gus_delay();
-	gus_delay();
-
-	gus_write8(0x4c, 1);	/* Release Reset */
-	gus_delay();
-	gus_delay();
-
-#ifdef GUSPNP_AUTODETECT
-	val = gus_look8(0x5b);	/* Version number register */
-	gus_write8(0x5b, ~val);	/* Invert all bits */
-
-	if ((gus_look8(0x5b) & 0xf0) == (val & 0xf0))	/* No change */
-	{
-		if ((gus_look8(0x5b) & 0x0f) == ((~val) & 0x0f))	/* Change */
-		{
-			DDB(printk("Interwave chip version %d detected\n", (val & 0xf0) >> 4));
-			gus_pnp_flag = 1;
-		}
-		else
-		{
-			DDB(printk("Not an Interwave chip (%x)\n", gus_look8(0x5b)));
-			gus_pnp_flag = 0;
-		}
-	}
-	gus_write8(0x5b, val);	/* Restore all bits */
-#endif
-
-	if (gus_pnp_flag)
-		pnp_mem_init();
-	if (iw_mode)
-		return 1;
-
-	/* See if there is first block there.... */
-	gus_poke(0L, 0xaa);
-	if (gus_peek(0L) != 0xaa) {
-		release_region(baseaddr + 0x100, 12);
-		release_region(baseaddr, 16);
-		return 0;
-	}
-
-	/* Now zero it out so that I can check for mirroring .. */
-	gus_poke(0L, 0x00);
-	for (i = 1L; i < max_mem; i++)
-	{
-		int n, failed;
-
-		/* check for mirroring ... */
-		if (gus_peek(0L) != 0)
-			break;
-		loc = i << 10;
-
-		for (n = loc - 1, failed = 0; n <= loc; n++)
-		{
-			gus_poke(loc, 0xaa);
-			if (gus_peek(loc) != 0xaa)
-				failed = 1;
-			gus_poke(loc, 0x55);
-			if (gus_peek(loc) != 0x55)
-				failed = 1;
-		}
-		if (failed)
-			break;
-	}
-	gus_mem_size = i << 10;
-	return 1;
-}
-
-static int guswave_ioctl(int dev, unsigned int cmd, void __user *arg)
-{
-
-	switch (cmd) 
-	{
-		case SNDCTL_SYNTH_INFO:
-			gus_info.nr_voices = nr_voices;
-			if (copy_to_user(arg, &gus_info, sizeof(gus_info)))
-				return -EFAULT;
-			return 0;
-
-		case SNDCTL_SEQ_RESETSAMPLES:
-			reset_sample_memory();
-			return 0;
-
-		case SNDCTL_SEQ_PERCMODE:
-			return 0;
-
-		case SNDCTL_SYNTH_MEMAVL:
-			return (gus_mem_size == 0) ? 0 : gus_mem_size - free_mem_ptr - 32;
-
-		default:
-			return -EINVAL;
-	}
-}
-
-static int guswave_set_instr(int dev, int voice, int instr_no)
-{
-	int sample_no;
-
-	if (instr_no < 0 || instr_no > MAX_PATCH)
-		instr_no = 0;	/* Default to acoustic piano */
-
-	if (voice < 0 || voice > 31)
-		return -EINVAL;
-
-	if (voices[voice].volume_irq_mode == VMODE_START_NOTE)
-	{
-		voices[voice].sample_pending = instr_no;
-		return 0;
-	}
-	sample_no = patch_table[instr_no];
-	patch_map[voice] = -1;
-
-	if (sample_no == NOT_SAMPLE)
-	{
-/*		printk("GUS: Undefined patch %d for voice %d\n", instr_no, voice);*/
-		return -EINVAL;	/* Patch not defined */
-	}
-	if (sample_ptrs[sample_no] == -1)	/* Sample not loaded */
-	{
-/*		printk("GUS: Sample #%d not loaded for patch %d (voice %d)\n", sample_no, instr_no, voice);*/
-		return -EINVAL;
-	}
-	sample_map[voice] = sample_no;
-	patch_map[voice] = instr_no;
-	return 0;
-}
-
-static int guswave_kill_note(int dev, int voice, int note, int velocity)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&gus_lock,flags);
-	/* voice_alloc->map[voice] = 0xffff; */
-	if (voices[voice].volume_irq_mode == VMODE_START_NOTE)
-	{
-		voices[voice].kill_pending = 1;
-		spin_unlock_irqrestore(&gus_lock,flags);
-	}
-	else
-	{
-		spin_unlock_irqrestore(&gus_lock,flags);
-		gus_voice_fade(voice);
-	}
-
-	return 0;
-}
-
-static void guswave_aftertouch(int dev, int voice, int pressure)
-{
-}
-
-static void guswave_panning(int dev, int voice, int value)
-{
-	if (voice >= 0 || voice < 32)
-		voices[voice].panning = value;
-}
-
-static void guswave_volume_method(int dev, int mode)
-{
-	if (mode == VOL_METHOD_LINEAR || mode == VOL_METHOD_ADAGIO)
-		volume_method = mode;
-}
-
-static void compute_volume(int voice, int volume)
-{
-	if (volume < 128)
-		voices[voice].midi_volume = volume;
-
-	switch (volume_method)
-	{
-		case VOL_METHOD_ADAGIO:
-			voices[voice].initial_volume =
-				gus_adagio_vol(voices[voice].midi_volume, voices[voice].main_vol,
-					voices[voice].expression_vol,
-					voices[voice].patch_vol);
-			break;
-
-		case VOL_METHOD_LINEAR:	/* Totally ignores patch-volume and expression */
-			voices[voice].initial_volume = gus_linear_vol(volume, voices[voice].main_vol);
-			break;
-
-		default:
-			voices[voice].initial_volume = volume_base +
-				(voices[voice].midi_volume * volume_scale);
-	}
-
-	if (voices[voice].initial_volume > 4030)
-		voices[voice].initial_volume = 4030;
-}
-
-static void compute_and_set_volume(int voice, int volume, int ramp_time)
-{
-	int curr, target, rate;
-	unsigned long flags;
-
-	compute_volume(voice, volume);
-	voices[voice].current_volume = voices[voice].initial_volume;
-
-	spin_lock_irqsave(&gus_lock,flags);
-	/*
-	 * CAUTION! Interrupts disabled. Enable them before returning
-	 */
-
-	gus_select_voice(voice);
-
-	curr = gus_read16(0x09) >> 4;
-	target = voices[voice].initial_volume;
-
-	if (ramp_time == INSTANT_RAMP)
-	{
-		gus_rampoff();
-		gus_voice_volume(target);
-		spin_unlock_irqrestore(&gus_lock,flags);
-		return;
-	}
-	if (ramp_time == FAST_RAMP)
-		rate = 63;
-	else
-		rate = 16;
-	gus_ramp_rate(0, rate);
-
-	if ((target - curr) / 64 == 0)	/* Close enough to target. */
-	{
-		gus_rampoff();
-		gus_voice_volume(target);
-		spin_unlock_irqrestore(&gus_lock,flags);
-		return;
-	}
-	if (target > curr)
-	{
-		if (target > (4095 - 65))
-			target = 4095 - 65;
-		gus_ramp_range(curr, target);
-		gus_rampon(0x00);	/* Ramp up, once, no IRQ */
-	}
-	else
-	{
-		if (target < 65)
-			target = 65;
-
-		gus_ramp_range(target, curr);
-		gus_rampon(0x40);	/* Ramp down, once, no irq */
-	}
-	spin_unlock_irqrestore(&gus_lock,flags);
-}
-
-static void dynamic_volume_change(int voice)
-{
-	unsigned char status;
-	unsigned long flags;
-
-	spin_lock_irqsave(&gus_lock,flags);
-	gus_select_voice(voice);
-	status = gus_read8(0x00);	/* Get voice status */
-	spin_unlock_irqrestore(&gus_lock,flags);
-
-	if (status & 0x03)
-		return;		/* Voice was not running */
-
-	if (!(voices[voice].mode & WAVE_ENVELOPES))
-	{
-		compute_and_set_volume(voice, voices[voice].midi_volume, 1);
-		return;
-	}
-	
-	/*
-	 * Voice is running and has envelopes.
-	 */
-
-	spin_lock_irqsave(&gus_lock,flags);
-	gus_select_voice(voice);
-	status = gus_read8(0x0d);	/* Ramping status */
-	spin_unlock_irqrestore(&gus_lock,flags);
-
-	if (status & 0x03)	/* Sustain phase? */
-	{
-		compute_and_set_volume(voice, voices[voice].midi_volume, 1);
-		return;
-	}
-	if (voices[voice].env_phase < 0)
-		return;
-
-	compute_volume(voice, voices[voice].midi_volume);
-
-}
-
-static void guswave_controller(int dev, int voice, int ctrl_num, int value)
-{
-	unsigned long   flags;
-	unsigned long   freq;
-
-	if (voice < 0 || voice > 31)
-		return;
-
-	switch (ctrl_num)
-	{
-		case CTRL_PITCH_BENDER:
-			voices[voice].bender = value;
-
-			if (voices[voice].volume_irq_mode != VMODE_START_NOTE)
-			{
-				freq = compute_finetune(voices[voice].orig_freq, value, voices[voice].bender_range, 0);
-				voices[voice].current_freq = freq;
-
-				spin_lock_irqsave(&gus_lock,flags);
-				gus_select_voice(voice);
-				gus_voice_freq(freq);
-				spin_unlock_irqrestore(&gus_lock,flags);
-			}
-			break;
-
-		case CTRL_PITCH_BENDER_RANGE:
-			voices[voice].bender_range = value;
-			break;
-		case CTL_EXPRESSION:
-			value /= 128;
-		case CTRL_EXPRESSION:
-			if (volume_method == VOL_METHOD_ADAGIO)
-			{
-				voices[voice].expression_vol = value;
-				if (voices[voice].volume_irq_mode != VMODE_START_NOTE)
-					dynamic_volume_change(voice);
-			}
-			break;
-
-		case CTL_PAN:
-			voices[voice].panning = (value * 2) - 128;
-			break;
-
-		case CTL_MAIN_VOLUME:
-			value = (value * 100) / 16383;
-
-		case CTRL_MAIN_VOLUME:
-			voices[voice].main_vol = value;
-			if (voices[voice].volume_irq_mode != VMODE_START_NOTE)
-				dynamic_volume_change(voice);
-			break;
-
-		default:
-			break;
-	}
-}
-
-static int guswave_start_note2(int dev, int voice, int note_num, int volume)
-{
-	int sample, best_sample, best_delta, delta_freq;
-	int is16bits, samplep, patch, pan;
-	unsigned long   note_freq, base_note, freq, flags;
-	unsigned char   mode = 0;
-
-	if (voice < 0 || voice > 31)
-	{
-/*		printk("GUS: Invalid voice\n");*/
-		return -EINVAL;
-	}
-	if (note_num == 255)
-	{
-		if (voices[voice].mode & WAVE_ENVELOPES)
-		{
-			voices[voice].midi_volume = volume;
-			dynamic_volume_change(voice);
-			return 0;
-		}
-		compute_and_set_volume(voice, volume, 1);
-		return 0;
-	}
-	if ((patch = patch_map[voice]) == -1)
-		return -EINVAL;
-	if ((samplep = patch_table[patch]) == NOT_SAMPLE)
-	{
-		return -EINVAL;
-	}
-	note_freq = note_to_freq(note_num);
-
-	/*
-	 * Find a sample within a patch so that the note_freq is between low_note
-	 * and high_note.
-	 */
-	sample = -1;
-
-	best_sample = samplep;
-	best_delta = 1000000;
-	while (samplep != 0 && samplep != NOT_SAMPLE && sample == -1)
-	{
-		delta_freq = note_freq - samples[samplep].base_note;
-		if (delta_freq < 0)
-			delta_freq = -delta_freq;
-		if (delta_freq < best_delta)
-		{
-			best_sample = samplep;
-			best_delta = delta_freq;
-		}
-		if (samples[samplep].low_note <= note_freq &&
-			note_freq <= samples[samplep].high_note)
-		{
-			sample = samplep;
-		}
-		else
-			samplep = samples[samplep].key;	/* Link to next sample */
-	  }
-	if (sample == -1)
-		sample = best_sample;
-
-	if (sample == -1)
-	{
-/*		printk("GUS: Patch %d not defined for note %d\n", patch, note_num);*/
-		return 0;	/* Should play default patch ??? */
-	}
-	is16bits = (samples[sample].mode & WAVE_16_BITS) ? 1 : 0;
-	voices[voice].mode = samples[sample].mode;
-	voices[voice].patch_vol = samples[sample].volume;
-
-	if (iw_mode)
-		gus_write8(0x15, 0x00);		/* RAM, Reset voice deactivate bit of SMSI */
-
-	if (voices[voice].mode & WAVE_ENVELOPES)
-	{
-		int i;
-
-		for (i = 0; i < 6; i++)
-		{
-			voices[voice].env_rate[i] = samples[sample].env_rate[i];
-			voices[voice].env_offset[i] = samples[sample].env_offset[i];
-		}
-	}
-	sample_map[voice] = sample;
-
-	if (voices[voice].fixed_pitch)	/* Fixed pitch */
-	{
-		  freq = samples[sample].base_freq;
-	}
-	else
-	{
-		base_note = samples[sample].base_note / 100;
-		note_freq /= 100;
-
-		freq = samples[sample].base_freq * note_freq / base_note;
-	}
-
-	voices[voice].orig_freq = freq;
-
-	/*
-	 * Since the pitch bender may have been set before playing the note, we
-	 * have to calculate the bending now.
-	 */
-
-	freq = compute_finetune(voices[voice].orig_freq, voices[voice].bender,
-				voices[voice].bender_range, 0);
-	voices[voice].current_freq = freq;
-
-	pan = (samples[sample].panning + voices[voice].panning) / 32;
-	pan += 7;
-	if (pan < 0)
-		pan = 0;
-	if (pan > 15)
-		pan = 15;
-
-	if (samples[sample].mode & WAVE_16_BITS)
-	{
-		mode |= 0x04;	/* 16 bits */
-		if ((sample_ptrs[sample] / GUS_BANK_SIZE) !=
-			((sample_ptrs[sample] + samples[sample].len) / GUS_BANK_SIZE))
-				printk(KERN_ERR "GUS: Sample address error\n");
-	}
-	spin_lock_irqsave(&gus_lock,flags);
-	gus_select_voice(voice);
-	gus_voice_off();
-	gus_rampoff();
-
-	spin_unlock_irqrestore(&gus_lock,flags);
-
-	if (voices[voice].mode & WAVE_ENVELOPES)
-	{
-		compute_volume(voice, volume);
-		init_envelope(voice);
-	}
-	else
-	{
-		compute_and_set_volume(voice, volume, 0);
-	}
-
-	spin_lock_irqsave(&gus_lock,flags);
-	gus_select_voice(voice);
-
-	if (samples[sample].mode & WAVE_LOOP_BACK)
-		gus_write_addr(0x0a, sample_ptrs[sample] + samples[sample].len -
-			voices[voice].offset_pending, 0, is16bits);	/* start=end */
-	else
-		gus_write_addr(0x0a, sample_ptrs[sample] + voices[voice].offset_pending, 0, is16bits);	/* Sample start=begin */
-
-	if (samples[sample].mode & WAVE_LOOPING)
-	{
-		mode |= 0x08;
-
-		if (samples[sample].mode & WAVE_BIDIR_LOOP)
-			mode |= 0x10;
-
-		if (samples[sample].mode & WAVE_LOOP_BACK)
-		{
-			gus_write_addr(0x0a, sample_ptrs[sample] + samples[sample].loop_end -
-					   voices[voice].offset_pending,
-					   (samples[sample].fractions >> 4) & 0x0f, is16bits);
-			mode |= 0x40;
-		}
-		gus_write_addr(0x02, sample_ptrs[sample] + samples[sample].loop_start,
-			samples[sample].fractions & 0x0f, is16bits);	/* Loop start location */
-		gus_write_addr(0x04, sample_ptrs[sample] + samples[sample].loop_end,
-			(samples[sample].fractions >> 4) & 0x0f, is16bits);	/* Loop end location */
-	}
-	else
-	{
-		mode |= 0x20;	/* Loop IRQ at the end */
-		voices[voice].loop_irq_mode = LMODE_FINISH;	/* Ramp down at the end */
-		voices[voice].loop_irq_parm = 1;
-		gus_write_addr(0x02, sample_ptrs[sample], 0, is16bits);	/* Loop start location */
-		gus_write_addr(0x04, sample_ptrs[sample] + samples[sample].len - 1,
-			(samples[sample].fractions >> 4) & 0x0f, is16bits);	/* Loop end location */
-	}
-	gus_voice_freq(freq);
-	gus_voice_balance(pan);
-	gus_voice_on(mode);
-	spin_unlock_irqrestore(&gus_lock,flags);
-
-	return 0;
-}
-
-/*
- * New guswave_start_note by Andrew J. Robinson attempts to minimize clicking
- * when the note playing on the voice is changed.  It uses volume
- * ramping.
- */
-
-static int guswave_start_note(int dev, int voice, int note_num, int volume)
-{
-	unsigned long flags;
-	int mode;
-	int ret_val = 0;
-
-	spin_lock_irqsave(&gus_lock,flags);
-	if (note_num == 255)
-	{
-		if (voices[voice].volume_irq_mode == VMODE_START_NOTE)
-		{
-			voices[voice].volume_pending = volume;
-		}
-		else
-		{
-			ret_val = guswave_start_note2(dev, voice, note_num, volume);
-		}
-	}
-	else
-	{
-		gus_select_voice(voice);
-		mode = gus_read8(0x00);
-		if (mode & 0x20)
-			gus_write8(0x00, mode & 0xdf);	/* No interrupt! */
-
-		voices[voice].offset_pending = 0;
-		voices[voice].kill_pending = 0;
-		voices[voice].volume_irq_mode = 0;
-		voices[voice].loop_irq_mode = 0;
-
-		if (voices[voice].sample_pending >= 0)
-		{
-			spin_unlock_irqrestore(&gus_lock,flags);	/* Run temporarily with interrupts enabled */
-			guswave_set_instr(voices[voice].dev_pending, voice, voices[voice].sample_pending);
-			voices[voice].sample_pending = -1;
-			spin_lock_irqsave(&gus_lock,flags);
-			gus_select_voice(voice);	/* Reselect the voice (just to be sure) */
-		}
-		if ((mode & 0x01) || (int) ((gus_read16(0x09) >> 4) < (unsigned) 2065))
-		{
-			ret_val = guswave_start_note2(dev, voice, note_num, volume);
-		}
-		else
-		{
-			voices[voice].dev_pending = dev;
-			voices[voice].note_pending = note_num;
-			voices[voice].volume_pending = volume;
-			voices[voice].volume_irq_mode = VMODE_START_NOTE;
-
-			gus_rampoff();
-			gus_ramp_range(2000, 4065);
-			gus_ramp_rate(0, 63);	/* Fastest possible rate */
-			gus_rampon(0x20 | 0x40);	/* Ramp down, once, irq */
-		}
-	}
-	spin_unlock_irqrestore(&gus_lock,flags);
-	return ret_val;
-}
-
-static void guswave_reset(int dev)
-{
-	int i;
-
-	for (i = 0; i < 32; i++)
-	{
-		gus_voice_init(i);
-		gus_voice_init2(i);
-	}
-}
-
-static int guswave_open(int dev, int mode)
-{
-	int err;
-
-	if (gus_busy)
-		return -EBUSY;
-
-	voice_alloc->timestamp = 0;
-
-	if (gus_no_wave_dma) {
-		gus_no_dma = 1;
-	} else {
-		if ((err = DMAbuf_open_dma(gus_devnum)) < 0)
-		{
-			/* printk( "GUS: Loading samples without DMA\n"); */
-			gus_no_dma = 1;	/* Upload samples using PIO */
-		}
-		else
-			gus_no_dma = 0;
-	}
-
-	init_waitqueue_head(&dram_sleeper);
-	gus_busy = 1;
-	active_device = GUS_DEV_WAVE;
-
-	gusintr(gus_irq, (void *)gus_hw_config, NULL);	/* Serve pending interrupts */
-	gus_initialize();
-	gus_reset();
-	gusintr(gus_irq, (void *)gus_hw_config, NULL);	/* Serve pending interrupts */
-
-	return 0;
-}
-
-static void guswave_close(int dev)
-{
-	gus_busy = 0;
-	active_device = 0;
-	gus_reset();
-
-	if (!gus_no_dma)
-		DMAbuf_close_dma(gus_devnum);
-}
-
-static int guswave_load_patch(int dev, int format, const char __user *addr,
-		   int offs, int count, int pmgr_flag)
-{
-	struct patch_info patch;
-	int instr;
-	long sizeof_patch;
-
-	unsigned long blk_sz, blk_end, left, src_offs, target;
-
-	sizeof_patch = (long) &patch.data[0] - (long) &patch;	/* Header size */
-
-	if (format != GUS_PATCH)
-	{
-/*		printk("GUS Error: Invalid patch format (key) 0x%x\n", format);*/
-		return -EINVAL;
-	}
-	if (count < sizeof_patch)
-	{
-/*		  printk("GUS Error: Patch header too short\n");*/
-		  return -EINVAL;
-	}
-	count -= sizeof_patch;
-
-	if (free_sample >= MAX_SAMPLE)
-	{
-/*		  printk("GUS: Sample table full\n");*/
-		  return -ENOSPC;
-	}
-	/*
-	 * Copy the header from user space but ignore the first bytes which have
-	 * been transferred already.
-	 */
-
-	if (copy_from_user(&((char *) &patch)[offs], &(addr)[offs],
-			   sizeof_patch - offs))
-		return -EFAULT;
-
-	if (patch.mode & WAVE_ROM)
-		return -EINVAL;
-	if (gus_mem_size == 0)
-		return -ENOSPC;
-
-	instr = patch.instr_no;
-
-	if (instr < 0 || instr > MAX_PATCH)
-	{
-/*		printk(KERN_ERR "GUS: Invalid patch number %d\n", instr);*/
-		return -EINVAL;
-	}
-	if (count < patch.len)
-	{
-/*		printk(KERN_ERR "GUS Warning: Patch record too short (%d<%d)\n", count, (int) patch.len);*/
-		patch.len = count;
-	}
-	if (patch.len <= 0 || patch.len > gus_mem_size)
-	{
-/*		printk(KERN_ERR "GUS: Invalid sample length %d\n", (int) patch.len);*/
-		return -EINVAL;
-	}
-	if (patch.mode & WAVE_LOOPING)
-	{
-		if (patch.loop_start < 0 || patch.loop_start >= patch.len)
-		{
-/*			printk(KERN_ERR "GUS: Invalid loop start\n");*/
-			return -EINVAL;
-		}
-		if (patch.loop_end < patch.loop_start || patch.loop_end > patch.len)
-		{
-/*			printk(KERN_ERR "GUS: Invalid loop end\n");*/
-			return -EINVAL;
-		}
-	}
-	free_mem_ptr = (free_mem_ptr + 31) & ~31;	/* 32 byte alignment */
-
-	if (patch.mode & WAVE_16_BITS)
-	{
-		/*
-		 * 16 bit samples must fit one 256k bank.
-		 */
-		if (patch.len >= GUS_BANK_SIZE)
-		{
-/*			 printk("GUS: Sample (16 bit) too long %d\n", (int) patch.len);*/
-			return -ENOSPC;
-		}
-		if ((free_mem_ptr / GUS_BANK_SIZE) !=
-			((free_mem_ptr + patch.len) / GUS_BANK_SIZE))
-		{
-			unsigned long   tmp_mem =	
-				/* Align to 256K */
-					((free_mem_ptr / GUS_BANK_SIZE) + 1) * GUS_BANK_SIZE;
-
-			if ((tmp_mem + patch.len) > gus_mem_size)
-				return -ENOSPC;
-
-			free_mem_ptr = tmp_mem;		/* This leaves unusable memory */
-		}
-	}
-	if ((free_mem_ptr + patch.len) > gus_mem_size)
-		return -ENOSPC;
-
-	sample_ptrs[free_sample] = free_mem_ptr;
-
-	/*
-	 * Tremolo is not possible with envelopes
-	 */
-
-	if (patch.mode & WAVE_ENVELOPES)
-		patch.mode &= ~WAVE_TREMOLO;
-
-	if (!(patch.mode & WAVE_FRACTIONS))
-	{
-		  patch.fractions = 0;
-	}
-	memcpy((char *) &samples[free_sample], &patch, sizeof_patch);
-
-	/*
-	 * Link this_one sample to the list of samples for patch 'instr'.
-	 */
-
-	samples[free_sample].key = patch_table[instr];
-	patch_table[instr] = free_sample;
-
-	/*
-	 * Use DMA to transfer the wave data to the DRAM
-	 */
-
-	left = patch.len;
-	src_offs = 0;
-	target = free_mem_ptr;
-
-	while (left)		/* Not completely transferred yet */
-	{
-		blk_sz = audio_devs[gus_devnum]->dmap_out->bytes_in_use;
-		if (blk_sz > left)
-			blk_sz = left;
-
-		/*
-		 * DMA cannot cross bank (256k) boundaries. Check for that.
-		 */
-		 
-		blk_end = target + blk_sz;
-
-		if ((target / GUS_BANK_SIZE) != (blk_end / GUS_BANK_SIZE))
-		{
-			/* Split the block */
-			blk_end &= ~(GUS_BANK_SIZE - 1);
-			blk_sz = blk_end - target;
-		}
-		if (gus_no_dma)
-		{
-			/*
-			 * For some reason the DMA is not possible. We have to use PIO.
-			 */
-			long i;
-			unsigned char data;
-
-			for (i = 0; i < blk_sz; i++)
-			{
-				get_user(*(unsigned char *) &data, (unsigned char __user *) &((addr)[sizeof_patch + i]));
-				if (patch.mode & WAVE_UNSIGNED)
-					if (!(patch.mode & WAVE_16_BITS) || (i & 0x01))
-						data ^= 0x80;	/* Convert to signed */
-				gus_poke(target + i, data);
-			}
-		}
-		else
-		{
-			unsigned long address, hold_address;
-			unsigned char dma_command;
-			unsigned long flags;
-
-			if (audio_devs[gus_devnum]->dmap_out->raw_buf == NULL)
-			{
-				printk(KERN_ERR "GUS: DMA buffer == NULL\n");
-				return -ENOSPC;
-			}
-			/*
-			 * OK, move now. First in and then out.
-			 */
-
-			if (copy_from_user(audio_devs[gus_devnum]->dmap_out->raw_buf,
-					   &(addr)[sizeof_patch + src_offs],
-					   blk_sz))
-				return -EFAULT;
-
-			spin_lock_irqsave(&gus_lock,flags);
-			gus_write8(0x41, 0);	/* Disable GF1 DMA */
-			DMAbuf_start_dma(gus_devnum, audio_devs[gus_devnum]->dmap_out->raw_buf_phys,
-				blk_sz, DMA_MODE_WRITE);
-
-			/*
-			 * Set the DRAM address for the wave data
-			 */
-
-			if (iw_mode)
-			{
-				/* Different address translation in enhanced mode */
-
-				unsigned char   hi;
-
-				if (gus_dma > 4)
-					address = target >> 1;	/* Convert to 16 bit word address */
-				else
-					address = target;
-
-				hi = (unsigned char) ((address >> 16) & 0xf0);
-				hi += (unsigned char) (address & 0x0f);
-
-				gus_write16(0x42, (address >> 4) & 0xffff);	/* DMA address (low) */
-				gus_write8(0x50, hi);
-			}
-			else
-			{
-				address = target;
-				if (audio_devs[gus_devnum]->dmap_out->dma > 3)
-				{
-					hold_address = address;
-					address = address >> 1;
-					address &= 0x0001ffffL;
-					address |= (hold_address & 0x000c0000L);
-				}
-				gus_write16(0x42, (address >> 4) & 0xffff);	/* DRAM DMA address */
-			}
-
-			/*
-			 * Start the DMA transfer
-			 */
-
-			dma_command = 0x21;		/* IRQ enable, DMA start */
-			if (patch.mode & WAVE_UNSIGNED)
-				dma_command |= 0x80;	/* Invert MSB */
-			if (patch.mode & WAVE_16_BITS)
-				dma_command |= 0x40;	/* 16 bit _DATA_ */
-			if (audio_devs[gus_devnum]->dmap_out->dma > 3)
-				dma_command |= 0x04;	/* 16 bit DMA _channel_ */
-			
-			/*
-			 * Sleep here until the DRAM DMA done interrupt is served
-			 */
-			active_device = GUS_DEV_WAVE;
-			gus_write8(0x41, dma_command);	/* Lets go luteet (=bugs) */
-
-			spin_unlock_irqrestore(&gus_lock,flags); /* opens a race */
-			if (!interruptible_sleep_on_timeout(&dram_sleeper, HZ))
-				printk("GUS: DMA Transfer timed out\n");
-		}
-
-		/*
-		 * Now the next part
-		 */
-
-		left -= blk_sz;
-		src_offs += blk_sz;
-		target += blk_sz;
-
-		gus_write8(0x41, 0);	/* Stop DMA */
-	}
-
-	free_mem_ptr += patch.len;
-	free_sample++;
-	return 0;
-}
-
-static void guswave_hw_control(int dev, unsigned char *event_rec)
-{
-	int voice, cmd;
-	unsigned short p1, p2;
-	unsigned int plong;
-	unsigned long flags;
-
-	cmd = event_rec[2];
-	voice = event_rec[3];
-	p1 = *(unsigned short *) &event_rec[4];
-	p2 = *(unsigned short *) &event_rec[6];
-	plong = *(unsigned int *) &event_rec[4];
-
-	if ((voices[voice].volume_irq_mode == VMODE_START_NOTE) &&
-		(cmd != _GUS_VOICESAMPLE) && (cmd != _GUS_VOICE_POS))
-		do_volume_irq(voice);
-
-	switch (cmd)
-	{
-		case _GUS_NUMVOICES:
-			spin_lock_irqsave(&gus_lock,flags);
-			gus_select_voice(voice);
-			gus_select_max_voices(p1);
-			spin_unlock_irqrestore(&gus_lock,flags);
-			break;
-
-		case _GUS_VOICESAMPLE:
-			guswave_set_instr(dev, voice, p1);
-			break;
-
-		case _GUS_VOICEON:
-			spin_lock_irqsave(&gus_lock,flags);
-			gus_select_voice(voice);
-			p1 &= ~0x20;	/* Don't allow interrupts */
-			gus_voice_on(p1);
-			spin_unlock_irqrestore(&gus_lock,flags);
-			break;
-
-		case _GUS_VOICEOFF:
-			spin_lock_irqsave(&gus_lock,flags);
-			gus_select_voice(voice);
-			gus_voice_off();
-			spin_unlock_irqrestore(&gus_lock,flags);
-			break;
-
-		case _GUS_VOICEFADE:
-			gus_voice_fade(voice);
-			break;
-
-		case _GUS_VOICEMODE:
-			spin_lock_irqsave(&gus_lock,flags);
-			gus_select_voice(voice);
-			p1 &= ~0x20;	/* Don't allow interrupts */
-			gus_voice_mode(p1);
-			spin_unlock_irqrestore(&gus_lock,flags);
-			break;
-
-		case _GUS_VOICEBALA:
-			spin_lock_irqsave(&gus_lock,flags);
-			gus_select_voice(voice);
-			gus_voice_balance(p1);
-			spin_unlock_irqrestore(&gus_lock,flags);
-			break;
-
-		case _GUS_VOICEFREQ:
-			spin_lock_irqsave(&gus_lock,flags);
-			gus_select_voice(voice);
-			gus_voice_freq(plong);
-			spin_unlock_irqrestore(&gus_lock,flags);
-			break;
-
-		case _GUS_VOICEVOL:
-			spin_lock_irqsave(&gus_lock,flags);
-			gus_select_voice(voice);
-			gus_voice_volume(p1);
-			spin_unlock_irqrestore(&gus_lock,flags);
-			break;
-
-		case _GUS_VOICEVOL2:	/* Just update the software voice level */
-			voices[voice].initial_volume = voices[voice].current_volume = p1;
-			break;
-
-		case _GUS_RAMPRANGE:
-			if (voices[voice].mode & WAVE_ENVELOPES)
-				break;	/* NO-NO */
-			spin_lock_irqsave(&gus_lock,flags);
-			gus_select_voice(voice);
-			gus_ramp_range(p1, p2);
-			spin_unlock_irqrestore(&gus_lock,flags);
-			break;
-
-		case _GUS_RAMPRATE:
-			if (voices[voice].mode & WAVE_ENVELOPES)
-				break;	/* NJET-NJET */
-			spin_lock_irqsave(&gus_lock,flags);
-			gus_select_voice(voice);
-			gus_ramp_rate(p1, p2);
-			spin_unlock_irqrestore(&gus_lock,flags);
-			break;
-
-		case _GUS_RAMPMODE:
-			if (voices[voice].mode & WAVE_ENVELOPES)
-				break;	/* NO-NO */
-			spin_lock_irqsave(&gus_lock,flags);
-			gus_select_voice(voice);
-			p1 &= ~0x20;	/* Don't allow interrupts */
-			gus_ramp_mode(p1);
-			spin_unlock_irqrestore(&gus_lock,flags);
-			break;
-
-		case _GUS_RAMPON:
-			if (voices[voice].mode & WAVE_ENVELOPES)
-				break;	/* EI-EI */
-			spin_lock_irqsave(&gus_lock,flags);
-			gus_select_voice(voice);
-			p1 &= ~0x20;	/* Don't allow interrupts */
-			gus_rampon(p1);
-			spin_unlock_irqrestore(&gus_lock,flags);
-			break;
-
-		case _GUS_RAMPOFF:
-			if (voices[voice].mode & WAVE_ENVELOPES)
-				break;	/* NEJ-NEJ */
-			spin_lock_irqsave(&gus_lock,flags);
-			gus_select_voice(voice);
-			gus_rampoff();
-			spin_unlock_irqrestore(&gus_lock,flags);
-			break;
-
-		case _GUS_VOLUME_SCALE:
-			volume_base = p1;
-			volume_scale = p2;
-			break;
-
-		case _GUS_VOICE_POS:
-			spin_lock_irqsave(&gus_lock,flags);
-			gus_select_voice(voice);
-			gus_set_voice_pos(voice, plong);
-			spin_unlock_irqrestore(&gus_lock,flags);
-			break;
-
-		default:
-			break;
-	}
-}
-
-static int gus_audio_set_speed(int speed)
-{
-	if (speed <= 0)
-		speed = gus_audio_speed;
-
-	if (speed < 4000)
-		speed = 4000;
-
-	if (speed > 44100)
-		speed = 44100;
-
-	gus_audio_speed = speed;
-
-	if (only_read_access)
-	{
-		/* Compute nearest valid recording speed  and return it */
-
-		/* speed = (9878400 / (gus_audio_speed + 2)) / 16; */
-		speed = (((9878400 + gus_audio_speed / 2) / (gus_audio_speed + 2)) + 8) / 16;
-		speed = (9878400 / (speed * 16)) - 2;
-	}
-	return speed;
-}
-
-static int gus_audio_set_channels(int channels)
-{
-	if (!channels)
-		return gus_audio_channels;
-	if (channels > 2)
-		channels = 2;
-	if (channels < 1)
-		channels = 1;
-	gus_audio_channels = channels;
-	return channels;
-}
-
-static int gus_audio_set_bits(int bits)
-{
-	if (!bits)
-		return gus_audio_bits;
-
-	if (bits != 8 && bits != 16)
-		bits = 8;
-
-	if (only_8_bits)
-		bits = 8;
-
-	gus_audio_bits = bits;
-	return bits;
-}
-
-static int gus_audio_ioctl(int dev, unsigned int cmd, void __user *arg)
-{
-	int val;
-
-	switch (cmd) 
-	{
-		case SOUND_PCM_WRITE_RATE:
-			if (get_user(val, (int __user*)arg))
-				return -EFAULT;
-			val = gus_audio_set_speed(val);
-			break;
-
-		case SOUND_PCM_READ_RATE:
-			val = gus_audio_speed;
-			break;
-
-		case SNDCTL_DSP_STEREO:
-			if (get_user(val, (int __user *)arg))
-				return -EFAULT;
-			val = gus_audio_set_channels(val + 1) - 1;
-			break;
-
-		case SOUND_PCM_WRITE_CHANNELS:
-			if (get_user(val, (int __user *)arg))
-				return -EFAULT;
-			val = gus_audio_set_channels(val);
-			break;
-
-		case SOUND_PCM_READ_CHANNELS:
-			val = gus_audio_channels;
-			break;
-		
-		case SNDCTL_DSP_SETFMT:
-			if (get_user(val, (int __user *)arg))
-				return -EFAULT;
-			val = gus_audio_set_bits(val);
-			break;
-		
-		case SOUND_PCM_READ_BITS:
-			val = gus_audio_bits;
-			break;
-		
-		case SOUND_PCM_WRITE_FILTER:		/* NOT POSSIBLE */
-		case SOUND_PCM_READ_FILTER:
-			val = -EINVAL;
-			break;
-		default:
-			return -EINVAL;
-	}
-	return put_user(val, (int __user *)arg);
-}
-
-static void gus_audio_reset(int dev)
-{
-	if (recording_active)
-	{
-		gus_write8(0x49, 0x00);	/* Halt recording */
-		set_input_volumes();
-	}
-}
-
-static int saved_iw_mode;	/* A hack hack hack */
-
-static int gus_audio_open(int dev, int mode)
-{
-	if (gus_busy)
-		return -EBUSY;
-
-	if (gus_pnp_flag && mode & OPEN_READ)
-	{
-/*		printk(KERN_ERR "GUS: Audio device #%d is playback only.\n", dev);*/
-		return -EIO;
-	}
-	gus_initialize();
-
-	gus_busy = 1;
-	active_device = 0;
-
-	saved_iw_mode = iw_mode;
-	if (iw_mode)
-	{
-		/* There are some problems with audio in enhanced mode so disable it */
-		gus_write8(0x19, gus_read8(0x19) & ~0x01);	/* Disable enhanced mode */
-		iw_mode = 0;
-	}
-
-	gus_reset();
-	reset_sample_memory();
-	gus_select_max_voices(14);
-
-	pcm_active = 0;
-	dma_active = 0;
-	pcm_opened = 1;
-	if (mode & OPEN_READ)
-	{
-		recording_active = 1;
-		set_input_volumes();
-	}
-	only_read_access = !(mode & OPEN_WRITE);
-	only_8_bits = mode & OPEN_READ;
-	if (only_8_bits)
-		audio_devs[dev]->format_mask = AFMT_U8;
-	else
-		audio_devs[dev]->format_mask = AFMT_U8 | AFMT_S16_LE;
-
-	return 0;
-}
-
-static void gus_audio_close(int dev)
-{
-	iw_mode = saved_iw_mode;
-	gus_reset();
-	gus_busy = 0;
-	pcm_opened = 0;
-	active_device = 0;
-
-	if (recording_active)
-	{
-		gus_write8(0x49, 0x00);	/* Halt recording */
-		set_input_volumes();
-	}
-	recording_active = 0;
-}
-
-static void gus_audio_update_volume(void)
-{
-	unsigned long flags;
-	int voice;
-
-	if (pcm_active && pcm_opened)
-		for (voice = 0; voice < gus_audio_channels; voice++)
-		{
-			spin_lock_irqsave(&gus_lock,flags);
-			gus_select_voice(voice);
-			gus_rampoff();
-			gus_voice_volume(1530 + (25 * gus_pcm_volume));
-			gus_ramp_range(65, 1530 + (25 * gus_pcm_volume));
-			spin_unlock_irqrestore(&gus_lock,flags);
-		}
-}
-
-static void play_next_pcm_block(void)
-{
-	unsigned long flags;
-	int speed = gus_audio_speed;
-	int this_one, is16bits, chn;
-	unsigned long dram_loc;
-	unsigned char mode[2], ramp_mode[2];
-
-	if (!pcm_qlen)
-		return;
-
-	this_one = pcm_head;
-
-	for (chn = 0; chn < gus_audio_channels; chn++)
-	{
-		mode[chn] = 0x00;
-		ramp_mode[chn] = 0x03;	/* Ramping and rollover off */
-
-		if (chn == 0)
-		{
-			mode[chn] |= 0x20;	/* Loop IRQ */
-			voices[chn].loop_irq_mode = LMODE_PCM;
-		}
-		if (gus_audio_bits != 8)
-		{
-			is16bits = 1;
-			mode[chn] |= 0x04;	/* 16 bit data */
-		}
-		else
-			is16bits = 0;
-
-		dram_loc = this_one * pcm_bsize;
-		dram_loc += chn * pcm_banksize;
-
-		if (this_one == (pcm_nblk - 1))	/* Last fragment of the DRAM buffer */
-		{
-			mode[chn] |= 0x08;	/* Enable loop */
-			ramp_mode[chn] = 0x03;	/* Disable rollover bit */
-		}
-		else
-		{
-			if (chn == 0)
-				ramp_mode[chn] = 0x04;	/* Enable rollover bit */
-		}
-		spin_lock_irqsave(&gus_lock,flags);
-		gus_select_voice(chn);
-		gus_voice_freq(speed);
-
-		if (gus_audio_channels == 1)
-			gus_voice_balance(7);		/* mono */
-		else if (chn == 0)
-			gus_voice_balance(0);		/* left */
-		else
-			gus_voice_balance(15);		/* right */
-
-		if (!pcm_active)	/* Playback not already active */
-		{
-			/*
-			 * The playback was not started yet (or there has been a pause).
-			 * Start the voice (again) and ask for a rollover irq at the end of
-			 * this_one block. If this_one one is last of the buffers, use just
-			 * the normal loop with irq.
-			 */
-
-			gus_voice_off();
-			gus_rampoff();
-			gus_voice_volume(1530 + (25 * gus_pcm_volume));
-			gus_ramp_range(65, 1530 + (25 * gus_pcm_volume));
-
-			gus_write_addr(0x0a, chn * pcm_banksize, 0, is16bits);	/* Starting position */
-			gus_write_addr(0x02, chn * pcm_banksize, 0, is16bits);	/* Loop start */
-
-			if (chn != 0)
-				gus_write_addr(0x04, pcm_banksize + (pcm_bsize * pcm_nblk) - 1,
-						   0, is16bits);	/* Loop end location */
-		}
-		if (chn == 0)
-			gus_write_addr(0x04, dram_loc + pcm_bsize - 1,
-					 0, is16bits);	/* Loop end location */
-		else
-			mode[chn] |= 0x08;	/* Enable looping */
-		spin_unlock_irqrestore(&gus_lock,flags);
-	}
-	for (chn = 0; chn < gus_audio_channels; chn++)
-	{
-		spin_lock_irqsave(&gus_lock,flags);
-		gus_select_voice(chn);
-		gus_write8(0x0d, ramp_mode[chn]);
-		if (iw_mode)
-			gus_write8(0x15, 0x00);	/* Reset voice deactivate bit of SMSI */
-		gus_voice_on(mode[chn]);
-		spin_unlock_irqrestore(&gus_lock,flags);
-	}
-	pcm_active = 1;
-}
-
-static void gus_transfer_output_block(int dev, unsigned long buf,
-			  int total_count, int intrflag, int chn)
-{
-	/*
-	 * This routine transfers one block of audio data to the DRAM. In mono mode
-	 * it's called just once. When in stereo mode, this_one routine is called
-	 * once for both channels.
-	 *
-	 * The left/mono channel data is transferred to the beginning of dram and the
-	 * right data to the area pointed by gus_page_size.
-	 */
-
-	int this_one, count;
-	unsigned long flags;
-	unsigned char dma_command;
-	unsigned long address, hold_address;
-
-	spin_lock_irqsave(&gus_lock,flags);
-
-	count = total_count / gus_audio_channels;
-
-	if (chn == 0)
-	{
-		if (pcm_qlen >= pcm_nblk)
-			printk(KERN_WARNING "GUS Warning: PCM buffers out of sync\n");
-
-		this_one = pcm_current_block = pcm_tail;
-		pcm_qlen++;
-		pcm_tail = (pcm_tail + 1) % pcm_nblk;
-		pcm_datasize[this_one] = count;
-	}
-	else
-		this_one = pcm_current_block;
-
-	gus_write8(0x41, 0);	/* Disable GF1 DMA */
-	DMAbuf_start_dma(dev, buf + (chn * count), count, DMA_MODE_WRITE);
-
-	address = this_one * pcm_bsize;
-	address += chn * pcm_banksize;
-
-	if (audio_devs[dev]->dmap_out->dma > 3)
-	{
-		hold_address = address;
-		address = address >> 1;
-		address &= 0x0001ffffL;
-		address |= (hold_address & 0x000c0000L);
-	}
-	gus_write16(0x42, (address >> 4) & 0xffff);	/* DRAM DMA address */
-
-	dma_command = 0x21;	/* IRQ enable, DMA start */
-
-	if (gus_audio_bits != 8)
-		dma_command |= 0x40;	/* 16 bit _DATA_ */
-	else
-		dma_command |= 0x80;	/* Invert MSB */
-
-	if (audio_devs[dev]->dmap_out->dma > 3)
-		dma_command |= 0x04;	/* 16 bit DMA channel */
-
-	gus_write8(0x41, dma_command);	/* Kick start */
-
-	if (chn == (gus_audio_channels - 1))	/* Last channel */
-	{
-		/*
-		 * Last (right or mono) channel data
-		 */
-		dma_active = 1;	/* DMA started. There is a unacknowledged buffer */
-		active_device = GUS_DEV_PCM_DONE;
-		if (!pcm_active && (pcm_qlen > 1 || count < pcm_bsize))
-		{
-			play_next_pcm_block();
-		}
-	}
-	else
-	{
-		/*
-		 * Left channel data. The right channel
-		 * is transferred after DMA interrupt
-		 */
-		active_device = GUS_DEV_PCM_CONTINUE;
-	}
-
-	spin_unlock_irqrestore(&gus_lock,flags);
-}
-
-static void gus_uninterleave8(char *buf, int l)
-{
-/* This routine uninterleaves 8 bit stereo output (LRLRLR->LLLRRR) */
-	int i, p = 0, halfsize = l / 2;
-	char *buf2 = buf + halfsize, *src = bounce_buf;
-
-	memcpy(bounce_buf, buf, l);
-
-	for (i = 0; i < halfsize; i++)
-	{
-		buf[i] = src[p++];	/* Left channel */
-		buf2[i] = src[p++];	/* Right channel */
-	}
-}
-
-static void gus_uninterleave16(short *buf, int l)
-{
-/* This routine uninterleaves 16 bit stereo output (LRLRLR->LLLRRR) */
-	int i, p = 0, halfsize = l / 2;
-	short *buf2 = buf + halfsize, *src = (short *) bounce_buf;
-
-	memcpy(bounce_buf, (char *) buf, l * 2);
-
-	for (i = 0; i < halfsize; i++)
-	{
-		buf[i] = src[p++];	/* Left channel */
-		buf2[i] = src[p++];	/* Right channel */
-	}
-}
-
-static void gus_audio_output_block(int dev, unsigned long buf, int total_count,
-		       int intrflag)
-{
-	struct dma_buffparms *dmap = audio_devs[dev]->dmap_out;
-
-	dmap->flags |= DMA_NODMA | DMA_NOTIMEOUT;
-
-	pcm_current_buf = buf;
-	pcm_current_count = total_count;
-	pcm_current_intrflag = intrflag;
-	pcm_current_dev = dev;
-	if (gus_audio_channels == 2)
-	{
-		char *b = dmap->raw_buf + (buf - dmap->raw_buf_phys);
-
-		if (gus_audio_bits == 8)
-			gus_uninterleave8(b, total_count);
-		else
-			gus_uninterleave16((short *) b, total_count / 2);
-	}
-	gus_transfer_output_block(dev, buf, total_count, intrflag, 0);
-}
-
-static void gus_audio_start_input(int dev, unsigned long buf, int count,
-		      int intrflag)
-{
-	unsigned long flags;
-	unsigned char mode;
-
-	spin_lock_irqsave(&gus_lock,flags);
-
-	DMAbuf_start_dma(dev, buf, count, DMA_MODE_READ);
-	mode = 0xa0;		/* DMA IRQ enabled, invert MSB */
-
-	if (audio_devs[dev]->dmap_in->dma > 3)
-		mode |= 0x04;	/* 16 bit DMA channel */
-	if (gus_audio_channels > 1)
-		mode |= 0x02;	/* Stereo */
-	mode |= 0x01;		/* DMA enable */
-
-	gus_write8(0x49, mode);
-	spin_unlock_irqrestore(&gus_lock,flags);
-}
-
-static int gus_audio_prepare_for_input(int dev, int bsize, int bcount)
-{
-	unsigned int rate;
-
-	gus_audio_bsize = bsize;
-	audio_devs[dev]->dmap_in->flags |= DMA_NODMA;
-	rate = (((9878400 + gus_audio_speed / 2) / (gus_audio_speed + 2)) + 8) / 16;
-
-	gus_write8(0x48, rate & 0xff);	/* Set sampling rate */
-
-	if (gus_audio_bits != 8)
-	{
-/*		printk("GUS Error: 16 bit recording not supported\n");*/
-		return -EINVAL;
-	}
-	return 0;
-}
-
-static int gus_audio_prepare_for_output(int dev, int bsize, int bcount)
-{
-	int i;
-
-	long mem_ptr, mem_size;
-
-	audio_devs[dev]->dmap_out->flags |= DMA_NODMA | DMA_NOTIMEOUT;
-	mem_ptr = 0;
-	mem_size = gus_mem_size / gus_audio_channels;
-
-	if (mem_size > (256 * 1024))
-		mem_size = 256 * 1024;
-
-	pcm_bsize = bsize / gus_audio_channels;
-	pcm_head = pcm_tail = pcm_qlen = 0;
-
-	pcm_nblk = 2;		/* MAX_PCM_BUFFERS; */
-	if ((pcm_bsize * pcm_nblk) > mem_size)
-		pcm_nblk = mem_size / pcm_bsize;
-
-	for (i = 0; i < pcm_nblk; i++)
-		pcm_datasize[i] = 0;
-
-	pcm_banksize = pcm_nblk * pcm_bsize;
-
-	if (gus_audio_bits != 8 && pcm_banksize == (256 * 1024))
-		pcm_nblk--;
-	gus_write8(0x41, 0);	/* Disable GF1 DMA */
-	return 0;
-}
-
-static int gus_local_qlen(int dev)
-{
-	return pcm_qlen;
-}
-
-
-static struct audio_driver gus_audio_driver =
-{
-	.owner			= THIS_MODULE,
-	.open			= gus_audio_open,
-	.close			= gus_audio_close,
-	.output_block		= gus_audio_output_block,
-	.start_input		= gus_audio_start_input,
-	.ioctl			= gus_audio_ioctl,
-	.prepare_for_input	= gus_audio_prepare_for_input,
-	.prepare_for_output	= gus_audio_prepare_for_output,
-	.halt_io		= gus_audio_reset,
-	.local_qlen		= gus_local_qlen,
-};
-
-static void guswave_setup_voice(int dev, int voice, int chn)
-{
-	struct channel_info *info = &synth_devs[dev]->chn_info[chn];
-
-	guswave_set_instr(dev, voice, info->pgm_num);
-	voices[voice].expression_vol = info->controllers[CTL_EXPRESSION];	/* Just MSB */
-	voices[voice].main_vol = (info->controllers[CTL_MAIN_VOLUME] * 100) / (unsigned) 128;
-	voices[voice].panning = (info->controllers[CTL_PAN] * 2) - 128;
-	voices[voice].bender = 0;
-	voices[voice].bender_range = info->bender_range;
-
-	if (chn == 9)
-		voices[voice].fixed_pitch = 1;
-}
-
-static void guswave_bender(int dev, int voice, int value)
-{
-	int freq;
-	unsigned long   flags;
-
-	voices[voice].bender = value - 8192;
-	freq = compute_finetune(voices[voice].orig_freq, value - 8192, voices[voice].bender_range, 0);
-	voices[voice].current_freq = freq;
-
-	spin_lock_irqsave(&gus_lock,flags);
-	gus_select_voice(voice);
-	gus_voice_freq(freq);
-	spin_unlock_irqrestore(&gus_lock,flags);
-}
-
-static int guswave_alloc(int dev, int chn, int note, struct voice_alloc_info *alloc)
-{
-	int i, p, best = -1, best_time = 0x7fffffff;
-
-	p = alloc->ptr;
-	/*
-	 * First look for a completely stopped voice
-	 */
-
-	for (i = 0; i < alloc->max_voice; i++)
-	{
-		if (alloc->map[p] == 0)
-		{
-			alloc->ptr = p;
-			return p;
-		}
-		if (alloc->alloc_times[p] < best_time)
-		{
-			best = p;
-			best_time = alloc->alloc_times[p];
-		}
-		p = (p + 1) % alloc->max_voice;
-	}
-
-	/*
-	 * Then look for a releasing voice
-	 */
-
-	for (i = 0; i < alloc->max_voice; i++)
-	{
-		if (alloc->map[p] == 0xffff)
-		{
-			alloc->ptr = p;
-			return p;
-		}
-		p = (p + 1) % alloc->max_voice;
-	}
-	if (best >= 0)
-		p = best;
-
-	alloc->ptr = p;
-	return p;
-}
-
-static struct synth_operations guswave_operations =
-{
-	.owner		= THIS_MODULE,
-	.id		= "GUS",
-	.info		= &gus_info,
-	.midi_dev	= 0,
-	.synth_type	= SYNTH_TYPE_SAMPLE,
-	.synth_subtype	= SAMPLE_TYPE_GUS,
-	.open		= guswave_open,
-	.close		= guswave_close,
-	.ioctl		= guswave_ioctl,
-	.kill_note	= guswave_kill_note,
-	.start_note	= guswave_start_note,
-	.set_instr	= guswave_set_instr,
-	.reset		= guswave_reset,
-	.hw_control	= guswave_hw_control,
-	.load_patch	= guswave_load_patch,
-	.aftertouch	= guswave_aftertouch,
-	.controller	= guswave_controller,
-	.panning	= guswave_panning,
-	.volume_method	= guswave_volume_method,
-	.bender		= guswave_bender,
-	.alloc_voice	= guswave_alloc,
-	.setup_voice	= guswave_setup_voice
-};
-
-static void set_input_volumes(void)
-{
-	unsigned long flags;
-	unsigned char mask = 0xff & ~0x06;	/* Just line out enabled */
-
-	if (have_gus_max)	/* Don't disturb GUS MAX */
-		return;
-
-	spin_lock_irqsave(&gus_lock,flags);
-
-	/*
-	 *    Enable channels having vol > 10%
-	 *      Note! bit 0x01 means the line in DISABLED while 0x04 means
-	 *            the mic in ENABLED.
-	 */
-	if (gus_line_vol > 10)
-		mask &= ~0x01;
-	if (gus_mic_vol > 10)
-		mask |= 0x04;
-
-	if (recording_active)
-	{
-		/*
-		 *    Disable channel, if not selected for recording
-		 */
-		if (!(gus_recmask & SOUND_MASK_LINE))
-			mask |= 0x01;
-		if (!(gus_recmask & SOUND_MASK_MIC))
-			mask &= ~0x04;
-	}
-	mix_image &= ~0x07;
-	mix_image |= mask & 0x07;
-	outb((mix_image), u_Mixer);
-
-	spin_unlock_irqrestore(&gus_lock,flags);
-}
-
-#define MIX_DEVS	(SOUND_MASK_MIC|SOUND_MASK_LINE| \
-			 SOUND_MASK_SYNTH|SOUND_MASK_PCM)
-
-int gus_default_mixer_ioctl(int dev, unsigned int cmd, void __user *arg)
-{
-	int vol, val;
-
-	if (((cmd >> 8) & 0xff) != 'M')
-		return -EINVAL;
-
-	if (!access_ok(VERIFY_WRITE, arg, sizeof(int)))
-		return -EFAULT;
-
-	if (_SIOC_DIR(cmd) & _SIOC_WRITE) 
-	{
-		if (__get_user(val, (int __user *) arg))
-			return -EFAULT;
-
-		switch (cmd & 0xff) 
-		{
-			case SOUND_MIXER_RECSRC:
-				gus_recmask = val & MIX_DEVS;
-				if (!(gus_recmask & (SOUND_MASK_MIC | SOUND_MASK_LINE)))
-					gus_recmask = SOUND_MASK_MIC;
-				/* Note! Input volumes are updated during next open for recording */
-				val = gus_recmask;
-				break;
-
-			case SOUND_MIXER_MIC:
-				vol = val & 0xff;
-				if (vol < 0)
-					vol = 0;
-				if (vol > 100)
-					vol = 100;
-				gus_mic_vol = vol;
-				set_input_volumes();
-				val = vol | (vol << 8);
-				break;
-				
-			case SOUND_MIXER_LINE:
-				vol = val & 0xff;
-				if (vol < 0)
-					vol = 0;
-				if (vol > 100)
-					vol = 100;
-				gus_line_vol = vol;
-				set_input_volumes();
-				val = vol | (vol << 8);
-				break;
-
-			case SOUND_MIXER_PCM:
-				gus_pcm_volume = val & 0xff;
-				if (gus_pcm_volume < 0)
-					gus_pcm_volume = 0;
-				if (gus_pcm_volume > 100)
-					gus_pcm_volume = 100;
-				gus_audio_update_volume();
-				val = gus_pcm_volume | (gus_pcm_volume << 8);
-				break;
-
-			case SOUND_MIXER_SYNTH:
-				gus_wave_volume = val & 0xff;
-				if (gus_wave_volume < 0)
-					gus_wave_volume = 0;
-				if (gus_wave_volume > 100)
-					gus_wave_volume = 100;
-				if (active_device == GUS_DEV_WAVE) 
-				{
-					int voice;
-					for (voice = 0; voice < nr_voices; voice++)
-					dynamic_volume_change(voice);	/* Apply the new vol */
-				}
-				val = gus_wave_volume | (gus_wave_volume << 8);
-				break;
-
-			default:
-				return -EINVAL;
-		}
-	}
-	else
-	{
-		switch (cmd & 0xff) 
-		{
-			/*
-			 * Return parameters
-			 */
-			case SOUND_MIXER_RECSRC:
-				val = gus_recmask;
-				break;
-					
-			case SOUND_MIXER_DEVMASK:
-				val = MIX_DEVS;
-				break;
-
-			case SOUND_MIXER_STEREODEVS:
-				val = 0;
-				break;
-
-			case SOUND_MIXER_RECMASK:
-				val = SOUND_MASK_MIC | SOUND_MASK_LINE;
-				break;
-
-			case SOUND_MIXER_CAPS:
-				val = 0;
-				break;
-
-			case SOUND_MIXER_MIC:
-				val = gus_mic_vol | (gus_mic_vol << 8);
-				break;
-
-			case SOUND_MIXER_LINE:
-				val = gus_line_vol | (gus_line_vol << 8);
-				break;
-
-			case SOUND_MIXER_PCM:
-				val = gus_pcm_volume | (gus_pcm_volume << 8);
-				break;
-
-			case SOUND_MIXER_SYNTH:
-				val = gus_wave_volume | (gus_wave_volume << 8);
-				break;
-
-			default:
-				return -EINVAL;
-		}
-	}
-	return __put_user(val, (int __user *)arg);
-}
-
-static struct mixer_operations gus_mixer_operations =
-{
-	.owner	= THIS_MODULE,
-	.id	= "GUS",
-	.name	= "Gravis Ultrasound",
-	.ioctl	= gus_default_mixer_ioctl
-};
-
-static int __init gus_default_mixer_init(void)
-{
-	int n;
-
-	if ((n = sound_alloc_mixerdev()) != -1)
-	{	
-		/*
-		 * Don't install if there is another
-		 * mixer
-		 */
-		mixer_devs[n] = &gus_mixer_operations;
-	}
-	if (have_gus_max)
-	{
-		/*
-		 *  Enable all mixer channels on the GF1 side. Otherwise recording will
-		 *  not be possible using GUS MAX.
-		 */
-		mix_image &= ~0x07;
-		mix_image |= 0x04;	/* All channels enabled */
-		outb((mix_image), u_Mixer);
-	}
-	return n;
-}
-
-void __init gus_wave_init(struct address_info *hw_config)
-{
-	unsigned long flags;
-	unsigned char val;
-	char *model_num = "2.4";
-	char tmp[64];
-	int gus_type = 0x24;	/* 2.4 */
-
-	int irq = hw_config->irq, dma = hw_config->dma, dma2 = hw_config->dma2;
-	int sdev;
-
-	hw_config->slots[0] = -1;	/* No wave */
-	hw_config->slots[1] = -1;	/* No ad1848 */
-	hw_config->slots[4] = -1;	/* No audio */
-	hw_config->slots[5] = -1;	/* No mixer */
-
-	if (!gus_pnp_flag)
-	{
-		if (irq < 0 || irq > 15)
-		{
-			printk(KERN_ERR "ERROR! Invalid IRQ#%d. GUS Disabled", irq);
-			return;
-		}
-	}
-	
-	if (dma < 0 || dma > 7 || dma == 4)
-	{
-		printk(KERN_ERR "ERROR! Invalid DMA#%d. GUS Disabled", dma);
-		return;
-	}
-	gus_irq = irq;
-	gus_dma = dma;
-	gus_dma2 = dma2;
-	gus_hw_config = hw_config;
-
-	if (gus_dma2 == -1)
-		gus_dma2 = dma;
-
-	/*
-	 * Try to identify the GUS model.
-	 *
-	 *  Versions < 3.6 don't have the digital ASIC. Try to probe it first.
-	 */
-
-	spin_lock_irqsave(&gus_lock,flags);
-	outb((0x20), gus_base + 0x0f);
-	val = inb(gus_base + 0x0f);
-	spin_unlock_irqrestore(&gus_lock,flags);
-
-	if (gus_pnp_flag || (val != 0xff && (val & 0x06)))	/* Should be 0x02?? */
-	{
-		int             ad_flags = 0;
-
-		if (gus_pnp_flag)
-			ad_flags = 0x12345678;	/* Interwave "magic" */
-		/*
-		 * It has the digital ASIC so the card is at least v3.4.
-		 * Next try to detect the true model.
-		 */
-
-		if (gus_pnp_flag)	/* Hack hack hack */
-			val = 10;
-		else
-			val = inb(u_MixSelect);
-
-		/*
-		 * Value 255 means pre-3.7 which don't have mixer.
-		 * Values 5 thru 9 mean v3.7 which has a ICS2101 mixer.
-		 * 10 and above is GUS MAX which has the CS4231 codec/mixer.
-		 *
-		 */
-
-		if (val == 255 || val < 5)
-		{
-			model_num = "3.4";
-			gus_type = 0x34;
-		}
-		else if (val < 10)
-		{
-			model_num = "3.7";
-			gus_type = 0x37;
-			mixer_type = ICS2101;
-			request_region(u_MixSelect, 1, "GUS mixer");
-		}
-		else
-		{
-			struct resource *ports;
-			ports = request_region(gus_base + 0x10c, 4, "ad1848");
-			model_num = "MAX";
-			gus_type = 0x40;
-			mixer_type = CS4231;
-#ifdef CONFIG_SOUND_GUSMAX
-			{
-				unsigned char   max_config = 0x40;	/* Codec enable */
-
-				if (gus_dma2 == -1)
-					gus_dma2 = gus_dma;
-
-				if (gus_dma > 3)
-					max_config |= 0x10;		/* 16 bit capture DMA */
-
-				if (gus_dma2 > 3)
-					max_config |= 0x20;		/* 16 bit playback DMA */
-
-				max_config |= (gus_base >> 4) & 0x0f;	/* Extract the X from 2X0 */
-
-				outb((max_config), gus_base + 0x106);	/* UltraMax control */
-			}
-
-			if (!ports)
-				goto no_cs4231;
-
-			if (ad1848_detect(ports, &ad_flags, hw_config->osp))
-			{
-				char           *name = "GUS MAX";
-				int             old_num_mixers = num_mixers;
-
-				if (gus_pnp_flag)
-					name = "GUS PnP";
-
-				gus_mic_vol = gus_line_vol = gus_pcm_volume = 100;
-				gus_wave_volume = 90;
-				have_gus_max = 1;
-				if (hw_config->name)
-					name = hw_config->name;
-
-				hw_config->slots[1] = ad1848_init(name, ports,
-							-irq, gus_dma2,	/* Playback DMA */
-							gus_dma,	/* Capture DMA */
-							1,		/* Share DMA channels with GF1 */
-							hw_config->osp,
-							THIS_MODULE);
-
-				if (num_mixers > old_num_mixers)
-				{
-					/* GUS has it's own mixer map */
-					AD1848_REROUTE(SOUND_MIXER_LINE1, SOUND_MIXER_SYNTH);
-					AD1848_REROUTE(SOUND_MIXER_LINE2, SOUND_MIXER_CD);
-					AD1848_REROUTE(SOUND_MIXER_LINE3, SOUND_MIXER_LINE);
-				}
-			}
-			else {
-				release_region(gus_base + 0x10c, 4);
-			no_cs4231:
-				printk(KERN_WARNING "GUS: No CS4231 ??");
-			}
-#else
-			printk(KERN_ERR "GUS MAX found, but not compiled in\n");
-#endif
-		}
-	}
-	else
-	{
-		/*
-		 * ASIC not detected so the card must be 2.2 or 2.4.
-		 * There could still be the 16-bit/mixer daughter card.
-		 */
-	}
-
-	if (hw_config->name)
-		snprintf(tmp, sizeof(tmp), "%s (%dk)", hw_config->name,
-			 (int) gus_mem_size / 1024);
-	else if (gus_pnp_flag)
-		snprintf(tmp, sizeof(tmp), "Gravis UltraSound PnP (%dk)",
-			 (int) gus_mem_size / 1024);
-	else
-		snprintf(tmp, sizeof(tmp), "Gravis UltraSound %s (%dk)", model_num,
-			 (int) gus_mem_size / 1024);
-
-
-	samples = (struct patch_info *)vmalloc((MAX_SAMPLE + 1) * sizeof(*samples));
-	if (samples == NULL)
-	{
-		printk(KERN_WARNING "gus_init: Cant allocate memory for instrument tables\n");
-		return;
-	}
-	conf_printf(tmp, hw_config);
-	strlcpy(gus_info.name, tmp, sizeof(gus_info.name));
-
-	if ((sdev = sound_alloc_synthdev()) == -1)
-		printk(KERN_WARNING "gus_init: Too many synthesizers\n");
-	else
-	{
-		voice_alloc = &guswave_operations.alloc;
-		if (iw_mode)
-			guswave_operations.id = "IWAVE";
-		hw_config->slots[0] = sdev;
-		synth_devs[sdev] = &guswave_operations;
-		sequencer_init();
-		gus_tmr_install(gus_base + 8);
-	}
-
-	reset_sample_memory();
-
-	gus_initialize();
-	
-	if ((gus_mem_size > 0) && !gus_no_wave_dma)
-	{
-		hw_config->slots[4] = -1;
-		if ((gus_devnum = sound_install_audiodrv(AUDIO_DRIVER_VERSION,
-					"Ultrasound",
-					&gus_audio_driver,
-					sizeof(struct audio_driver),
-					NEEDS_RESTART |
-		                   	((!iw_mode && dma2 != dma && dma2 != -1) ?
-						DMA_DUPLEX : 0),
-					AFMT_U8 | AFMT_S16_LE,
-					NULL, dma, dma2)) < 0)
-		{
-			return;
-		}
-
-		hw_config->slots[4] = gus_devnum;
-		audio_devs[gus_devnum]->min_fragment = 9;	/* 512k */
-		audio_devs[gus_devnum]->max_fragment = 11;	/* 8k (must match size of bounce_buf */
-		audio_devs[gus_devnum]->mixer_dev = -1;	/* Next mixer# */
-		audio_devs[gus_devnum]->flags |= DMA_HARDSTOP;
-	}
-	
-	/*
-	 *  Mixer dependent initialization.
-	 */
-
-	switch (mixer_type)
-	{
-		case ICS2101:
-			gus_mic_vol = gus_line_vol = gus_pcm_volume = 100;
-			gus_wave_volume = 90;
-			request_region(u_MixSelect, 1, "GUS mixer");
-			hw_config->slots[5] = ics2101_mixer_init();
-			audio_devs[gus_devnum]->mixer_dev = hw_config->slots[5];	/* Next mixer# */
-			return;
-
-		case CS4231:
-			/* Initialized elsewhere (ad1848.c) */
-		default:
-			hw_config->slots[5] = gus_default_mixer_init();
-			audio_devs[gus_devnum]->mixer_dev = hw_config->slots[5];	/* Next mixer# */
-			return;
-	}
-}
-
-void __exit gus_wave_unload(struct address_info *hw_config)
-{
-#ifdef CONFIG_SOUND_GUSMAX
-	if (have_gus_max)
-	{
-		ad1848_unload(gus_base + 0x10c,
-				-gus_irq,
-				gus_dma2,	/* Playback DMA */
-				gus_dma,	/* Capture DMA */
-				1);	/* Share DMA channels with GF1 */
-	}
-#endif
-
-	if (mixer_type == ICS2101)
-	{
-		release_region(u_MixSelect, 1);
-	}
-	if (hw_config->slots[0] != -1)
-		sound_unload_synthdev(hw_config->slots[0]);
-	if (hw_config->slots[1] != -1)
-		sound_unload_audiodev(hw_config->slots[1]);
-	if (hw_config->slots[2] != -1)
-		sound_unload_mididev(hw_config->slots[2]);
-	if (hw_config->slots[4] != -1)
-		sound_unload_audiodev(hw_config->slots[4]);
-	if (hw_config->slots[5] != -1)
-		sound_unload_mixerdev(hw_config->slots[5]);
-	
-	vfree(samples);
-	samples=NULL;
-}
-/* called in interrupt context */
-static void do_loop_irq(int voice)
-{
-	unsigned char   tmp;
-	int             mode, parm;
-
-	spin_lock(&gus_lock);
-	gus_select_voice(voice);
-
-	tmp = gus_read8(0x00);
-	tmp &= ~0x20;		/*
-				 * Disable wave IRQ for this_one voice
-				 */
-	gus_write8(0x00, tmp);
-
-	if (tmp & 0x03)		/* Voice stopped */
-		voice_alloc->map[voice] = 0;
-
-	mode = voices[voice].loop_irq_mode;
-	voices[voice].loop_irq_mode = 0;
-	parm = voices[voice].loop_irq_parm;
-
-	switch (mode)
-	{
-		case LMODE_FINISH:	/*
-					 * Final loop finished, shoot volume down
-					 */
-
-			if ((int) (gus_read16(0x09) >> 4) < 100)	/*
-									 * Get current volume
-									 */
-			{
-				gus_voice_off();
-				gus_rampoff();
-				gus_voice_init(voice);
-				break;
-			}
-			gus_ramp_range(65, 4065);
-			gus_ramp_rate(0, 63);		/*
-							 * Fastest possible rate
-							 */
-			gus_rampon(0x20 | 0x40);	/*
-							 * Ramp down, once, irq
-							 */
-			voices[voice].volume_irq_mode = VMODE_HALT;
-			break;
-
-		case LMODE_PCM_STOP:
-			pcm_active = 0;	/* Signal to the play_next_pcm_block routine */
-		case LMODE_PCM:
-		{
-			pcm_qlen--;
-			pcm_head = (pcm_head + 1) % pcm_nblk;
-			if (pcm_qlen && pcm_active)
-			{
-				play_next_pcm_block();
-			}
-			else
-			{
-				/* Underrun. Just stop the voice */
-				gus_select_voice(0);	/* Left channel */
-				gus_voice_off();
-				gus_rampoff();
-				gus_select_voice(1);	/* Right channel */
-				gus_voice_off();
-				gus_rampoff();
-				pcm_active = 0;
-			}
-
-			/*
-			 * If the queue was full before this interrupt, the DMA transfer was
-			 * suspended. Let it continue now.
-			 */
-			
-			if (audio_devs[gus_devnum]->dmap_out->qlen > 0)
-				DMAbuf_outputintr(gus_devnum, 0);
-		}
-		break;
-
-		default:
-			break;
-	}
-	spin_unlock(&gus_lock);
-}
-
-static void do_volume_irq(int voice)
-{
-	unsigned char tmp;
-	int mode, parm;
-	unsigned long flags;
-
-	spin_lock_irqsave(&gus_lock,flags);
-
-	gus_select_voice(voice);
-	tmp = gus_read8(0x0d);
-	tmp &= ~0x20;		/*
-				 * Disable volume ramp IRQ
-				 */
-	gus_write8(0x0d, tmp);
-
-	mode = voices[voice].volume_irq_mode;
-	voices[voice].volume_irq_mode = 0;
-	parm = voices[voice].volume_irq_parm;
-
-	switch (mode)
-	{
-		case VMODE_HALT:	/* Decay phase finished */
-			if (iw_mode)
-				gus_write8(0x15, 0x02);	/* Set voice deactivate bit of SMSI */
-			spin_unlock_irqrestore(&gus_lock,flags);
-			gus_voice_init(voice);
-			break;
-
-		case VMODE_ENVELOPE:
-			gus_rampoff();
-			spin_unlock_irqrestore(&gus_lock,flags);
-			step_envelope(voice);
-			break;
-
-		case VMODE_START_NOTE:
-			spin_unlock_irqrestore(&gus_lock,flags);
-			guswave_start_note2(voices[voice].dev_pending, voice,
-				      voices[voice].note_pending, voices[voice].volume_pending);
-			if (voices[voice].kill_pending)
-				guswave_kill_note(voices[voice].dev_pending, voice,
-					  voices[voice].note_pending, 0);
-
-			if (voices[voice].sample_pending >= 0)
-			{
-				guswave_set_instr(voices[voice].dev_pending, voice,
-					voices[voice].sample_pending);
-				voices[voice].sample_pending = -1;
-			}
-			break;
-
-		default:
-			spin_unlock_irqrestore(&gus_lock,flags);
-	}
-}
-/* called in irq context */
-void gus_voice_irq(void)
-{
-	unsigned long wave_ignore = 0, volume_ignore = 0;
-	unsigned long voice_bit;
-
-	unsigned char src, voice;
-
-	while (1)
-	{
-		src = gus_read8(0x0f);	/*
-					 * Get source info
-					 */
-		voice = src & 0x1f;
-		src &= 0xc0;
-
-		if (src == (0x80 | 0x40))
-			return;	/*
-				 * No interrupt
-				 */
-
-		voice_bit = 1 << voice;
-
-		if (!(src & 0x80))	/*
-					 * Wave IRQ pending
-					 */
-			if (!(wave_ignore & voice_bit) && (int) voice < nr_voices)	/*
-											 * Not done
-											 * yet
-											 */
-			{
-				wave_ignore |= voice_bit;
-				do_loop_irq(voice);
-			}
-		if (!(src & 0x40))	/*
-					 * Volume IRQ pending
-					 */
-			if (!(volume_ignore & voice_bit) && (int) voice < nr_voices)	/*
-											   * Not done
-											   * yet
-											 */
-			{
-				volume_ignore |= voice_bit;
-				do_volume_irq(voice);
-			}
-	}
-}
-
-void guswave_dma_irq(void)
-{
-	unsigned char   status;
-
-	status = gus_look8(0x41);	/* Get DMA IRQ Status */
-	if (status & 0x40)	/* DMA interrupt pending */
-		switch (active_device)
-		{
-			case GUS_DEV_WAVE:
-				wake_up(&dram_sleeper);
-				break;
-
-			case GUS_DEV_PCM_CONTINUE:	/* Left channel data transferred */
-				gus_write8(0x41, 0);	/* Disable GF1 DMA */
-				gus_transfer_output_block(pcm_current_dev, pcm_current_buf,
-						pcm_current_count,
-						pcm_current_intrflag, 1);
-				break;
-
-			case GUS_DEV_PCM_DONE:	/* Right or mono channel data transferred */
-				gus_write8(0x41, 0);	/* Disable GF1 DMA */
-				if (pcm_qlen < pcm_nblk)
-				{
-					dma_active = 0;
-					if (gus_busy)
-					{
-						if (audio_devs[gus_devnum]->dmap_out->qlen > 0)
-							DMAbuf_outputintr(gus_devnum, 0);
-					}
-				}
-				break;
-
-			default:
-				break;
-	}
-	status = gus_look8(0x49);	/*
-					 * Get Sampling IRQ Status
-					 */
-	if (status & 0x40)	/*
-				 * Sampling Irq pending
-				 */
-	{
-		DMAbuf_inputintr(gus_devnum);
-	}
-}
-
-/*
- * Timer stuff
- */
-
-static volatile int select_addr, data_addr;
-static volatile int curr_timer;
-
-void gus_timer_command(unsigned int addr, unsigned int val)
-{
-	int i;
-
-	outb(((unsigned char) (addr & 0xff)), select_addr);
-
-	for (i = 0; i < 2; i++)
-		inb(select_addr);
-
-	outb(((unsigned char) (val & 0xff)), data_addr);
-
-	for (i = 0; i < 2; i++)
-		inb(select_addr);
-}
-
-static void arm_timer(int timer, unsigned int interval)
-{
-	curr_timer = timer;
-
-	if (timer == 1)
-	{
-		gus_write8(0x46, 256 - interval);	/* Set counter for timer 1 */
-		gus_write8(0x45, 0x04);			/* Enable timer 1 IRQ */
-		gus_timer_command(0x04, 0x01);		/* Start timer 1 */
-	}
-	else
-	{
-		gus_write8(0x47, 256 - interval);	/* Set counter for timer 2 */
-		gus_write8(0x45, 0x08);			/* Enable timer 2 IRQ */
-		gus_timer_command(0x04, 0x02);		/* Start timer 2 */
-	}
-
-	gus_timer_enabled = 1;
-}
-
-static unsigned int gus_tmr_start(int dev, unsigned int usecs_per_tick)
-{
-	int timer_no, resolution;
-	int divisor;
-
-	if (usecs_per_tick > (256 * 80))
-	{
-		timer_no = 2;
-		resolution = 320;	/* usec */
-	}
-	else
-	{
-		timer_no = 1;
-		resolution = 80;	/* usec */
-	}
-	divisor = (usecs_per_tick + (resolution / 2)) / resolution;
-	arm_timer(timer_no, divisor);
-
-	return divisor * resolution;
-}
-
-static void gus_tmr_disable(int dev)
-{
-	gus_write8(0x45, 0);	/* Disable both timers */
-	gus_timer_enabled = 0;
-}
-
-static void gus_tmr_restart(int dev)
-{
-	if (curr_timer == 1)
-		gus_write8(0x45, 0x04);		/* Start timer 1 again */
-	else
-		gus_write8(0x45, 0x08);		/* Start timer 2 again */
-	gus_timer_enabled = 1;
-}
-
-static struct sound_lowlev_timer gus_tmr =
-{
-	0,
-	1,
-	gus_tmr_start,
-	gus_tmr_disable,
-	gus_tmr_restart
-};
-
-static void gus_tmr_install(int io_base)
-{
-	struct sound_lowlev_timer *tmr;
-
-	select_addr = io_base;
-	data_addr = io_base + 1;
-
-	tmr = &gus_tmr;
-
-#ifdef THIS_GETS_FIXED
-	sound_timer_init(&gus_tmr, "GUS");
-#endif
-}