[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, 2139 deletions

diff --git a/sound/oss/forte.c b/sound/oss/forte.c
deleted file mode 100644
index ea1c0207aef2..000000000000
--- a/sound/oss/forte.c
+++ /dev/null
@@ -1,2139 +0,0 @@
-/*
- * forte.c - ForteMedia FM801 OSS Driver
- *
- * Written by Martin K. Petersen <mkp@mkp.net>
- * Copyright (C) 2002 Hewlett-Packard Company
- * Portions Copyright (C) 2003 Martin K. Petersen
- *
- * Latest version: http://mkp.net/forte/
- *
- * Based upon the ALSA FM801 driver by Jaroslav Kysela and OSS drivers
- * by Thomas Sailer, Alan Cox, Zach Brown, and Jeff Garzik.  Thanks
- * guys!
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License version
- * 2 as published by the Free Software Foundation.
- *
- * 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 <linux/config.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-
-#include <linux/init.h>
-#include <linux/spinlock.h>
-#include <linux/pci.h>
-
-#include <linux/delay.h>
-#include <linux/poll.h>
-
-#include <linux/sound.h>
-#include <linux/ac97_codec.h>
-#include <linux/interrupt.h>
-
-#include <linux/proc_fs.h>
-#include <linux/mutex.h>
-
-#include <asm/uaccess.h>
-#include <asm/io.h>
-
-#define DRIVER_NAME	"forte"
-#define DRIVER_VERSION 	"$Id: forte.c,v 1.63 2003/03/01 05:32:42 mkp Exp $"
-#define PFX 		DRIVER_NAME ": "
-
-#undef M_DEBUG
-
-#ifdef M_DEBUG
-#define DPRINTK(args...) printk(KERN_WARNING args)
-#else
-#define DPRINTK(args...)
-#endif
-
-/* Card capabilities */
-#define FORTE_CAPS              (DSP_CAP_MMAP | DSP_CAP_TRIGGER)
-
-/* Supported audio formats */
-#define FORTE_FMTS		(AFMT_U8 | AFMT_S16_LE)
-
-/* Buffers */
-#define FORTE_MIN_FRAG_SIZE     256
-#define FORTE_MAX_FRAG_SIZE     PAGE_SIZE
-#define FORTE_DEF_FRAG_SIZE     256
-#define FORTE_MIN_FRAGMENTS     2
-#define FORTE_MAX_FRAGMENTS     256
-#define FORTE_DEF_FRAGMENTS     2
-#define FORTE_MIN_BUF_MSECS     500
-#define FORTE_MAX_BUF_MSECS     1000
-
-/* PCI BARs */
-#define FORTE_PCM_VOL           0x00    /* PCM Output Volume */
-#define FORTE_FM_VOL            0x02    /* FM Output Volume */
-#define FORTE_I2S_VOL           0x04    /* I2S Volume */
-#define FORTE_REC_SRC           0x06    /* Record Source */
-#define FORTE_PLY_CTRL          0x08    /* Playback Control */
-#define FORTE_PLY_COUNT         0x0a    /* Playback Count */
-#define FORTE_PLY_BUF1          0x0c    /* Playback Buffer I */
-#define FORTE_PLY_BUF2          0x10    /* Playback Buffer II */
-#define FORTE_CAP_CTRL          0x14    /* Capture Control */
-#define FORTE_CAP_COUNT         0x16    /* Capture Count */
-#define FORTE_CAP_BUF1          0x18    /* Capture Buffer I */
-#define FORTE_CAP_BUF2          0x1c    /* Capture Buffer II */
-#define FORTE_CODEC_CTRL        0x22    /* Codec Control */
-#define FORTE_I2S_MODE          0x24    /* I2S Mode Control */
-#define FORTE_VOLUME            0x26    /* Volume Up/Down/Mute Status */
-#define FORTE_I2C_CTRL          0x29    /* I2C Control */
-#define FORTE_AC97_CMD          0x2a    /* AC'97 Command */
-#define FORTE_AC97_DATA         0x2c    /* AC'97 Data */
-#define FORTE_MPU401_DATA       0x30    /* MPU401 Data */
-#define FORTE_MPU401_CMD        0x31    /* MPU401 Command */
-#define FORTE_GPIO_CTRL         0x52    /* General Purpose I/O Control */
-#define FORTE_GEN_CTRL          0x54    /* General Control */
-#define FORTE_IRQ_MASK          0x56    /* Interrupt Mask */
-#define FORTE_IRQ_STATUS        0x5a    /* Interrupt Status */
-#define FORTE_OPL3_BANK0        0x68    /* OPL3 Status Read / Bank 0 Write */
-#define FORTE_OPL3_DATA0        0x69    /* OPL3 Data 0 Write */
-#define FORTE_OPL3_BANK1        0x6a    /* OPL3 Bank 1 Write */
-#define FORTE_OPL3_DATA1        0x6b    /* OPL3 Bank 1 Write */
-#define FORTE_POWERDOWN         0x70    /* Blocks Power Down Control */
-
-#define FORTE_CAP_OFFSET        FORTE_CAP_CTRL - FORTE_PLY_CTRL
-
-#define FORTE_AC97_ADDR_SHIFT   10
-
-/* Playback and record control register bits */
-#define FORTE_BUF1_LAST         (1<<1)
-#define FORTE_BUF2_LAST         (1<<2)
-#define FORTE_START             (1<<5)
-#define FORTE_PAUSE             (1<<6)
-#define FORTE_IMMED_STOP        (1<<7)
-#define FORTE_RATE_SHIFT        8
-#define FORTE_RATE_MASK         (15 << FORTE_RATE_SHIFT)
-#define FORTE_CHANNELS_4        (1<<12) /* Playback only */
-#define FORTE_CHANNELS_6        (2<<12) /* Playback only */
-#define FORTE_CHANNELS_6MS      (3<<12) /* Playback only */
-#define FORTE_CHANNELS_MASK     (3<<12)
-#define FORTE_16BIT             (1<<14)
-#define FORTE_STEREO            (1<<15)
-
-/* IRQ status bits */
-#define FORTE_IRQ_PLAYBACK      (1<<8)
-#define FORTE_IRQ_CAPTURE       (1<<9)
-#define FORTE_IRQ_VOLUME        (1<<14)
-#define FORTE_IRQ_MPU           (1<<15)
-
-/* CODEC control */
-#define FORTE_CC_CODEC_RESET    (1<<5)
-#define FORTE_CC_AC97_RESET     (1<<6)
-
-/* AC97 cmd */
-#define FORTE_AC97_WRITE        (0<<7)
-#define FORTE_AC97_READ         (1<<7)
-#define FORTE_AC97_DP_INVALID   (0<<8)
-#define FORTE_AC97_DP_VALID     (1<<8)
-#define FORTE_AC97_PORT_RDY     (0<<9)
-#define FORTE_AC97_PORT_BSY     (1<<9)
-
-
-struct forte_channel {
-        const char 		*name;
-
-	unsigned short		ctrl; 		/* Ctrl BAR contents */
-	unsigned long 		iobase;		/* Ctrl BAR address */
-
-	wait_queue_head_t	wait;
-
-	void 			*buf; 		/* Buffer */
-	dma_addr_t		buf_handle; 	/* Buffer handle */
-
-        unsigned int 		record;
-	unsigned int		format;
-        unsigned int		rate;
-	unsigned int		stereo;
-
-	unsigned int		frag_sz; 	/* Current fragment size */
-	unsigned int		frag_num; 	/* Current # of fragments */
-	unsigned int		frag_msecs;     /* Milliseconds per frag */
-	unsigned int		buf_sz;		/* Current buffer size */
-
-	unsigned int		hwptr;		/* Tail */
-	unsigned int		swptr; 		/* Head */
-	unsigned int		filled_frags; 	/* Fragments currently full */
-	unsigned int		next_buf;	/* Index of next buffer */
-
-	unsigned int		active;		/* Channel currently in use */
-	unsigned int		mapped;		/* mmap */
-
-	unsigned int		buf_pages;	/* Real size of buffer */
-	unsigned int		nr_irqs;	/* Number of interrupts */
-	unsigned int		bytes;		/* Total bytes */
-	unsigned int		residue;	/* Partial fragment */
-};
-
-
-struct forte_chip {
-	struct pci_dev		*pci_dev;
-	unsigned long		iobase;
-	int			irq;
-
-	struct mutex		open_mutex; 	/* Device access */
-	spinlock_t		lock;		/* State */
-
-	spinlock_t		ac97_lock;
-	struct ac97_codec	*ac97;
-
-	int			multichannel;
-	int			dsp; 		/* OSS handle */
-	int                     trigger;	/* mmap I/O trigger */
-
-	struct forte_channel	play;
-	struct forte_channel	rec;
-};
-
-
-static int channels[] = { 2, 4, 6, };
-static int rates[]    = { 5500, 8000, 9600, 11025, 16000, 19200, 
-			  22050, 32000, 38400, 44100, 48000, };
-
-static struct forte_chip *forte;
-static int found;
-
-
-/* AC97 Codec -------------------------------------------------------------- */
-
-
-/** 
- * forte_ac97_wait:
- * @chip:	fm801 instance whose AC97 codec to wait on
- *
- * FIXME:
- *		Stop busy-waiting
- */
-
-static inline int
-forte_ac97_wait (struct forte_chip *chip)
-{
-	int i = 10000;
-
-	while ( (inw (chip->iobase + FORTE_AC97_CMD) & FORTE_AC97_PORT_BSY) 
-		&& i-- )
-		cpu_relax();
-
-	return i == 0;
-}
-
-
-/**
- * forte_ac97_read:
- * @codec:	AC97 codec to read from
- * @reg:	register to read
- */
-
-static u16
-forte_ac97_read (struct ac97_codec *codec, u8 reg)
-{
-	u16 ret = 0;
-	struct forte_chip *chip = codec->private_data;
-
-	spin_lock (&chip->ac97_lock);
-
-	/* Knock, knock */
-	if (forte_ac97_wait (chip)) {
-		printk (KERN_ERR PFX "ac97_read: Serial bus busy\n");
-		goto out;
-	}
-
-	/* Send read command */
-	outw (reg | (1<<7), chip->iobase + FORTE_AC97_CMD);
-
-	if (forte_ac97_wait (chip)) {
-		printk (KERN_ERR PFX "ac97_read: Bus busy reading reg 0x%x\n",
-			reg);
-		goto out;
-	}
-	
-	/* Sanity checking */
-	if (inw (chip->iobase + FORTE_AC97_CMD) & FORTE_AC97_DP_INVALID) {
-		printk (KERN_ERR PFX "ac97_read: Invalid data port");
-		goto out;
-	}
-
-	/* Fetch result */
-	ret = inw (chip->iobase + FORTE_AC97_DATA);
-
- out:
-	spin_unlock (&chip->ac97_lock);
-	return ret;
-}
-
-
-/**
- * forte_ac97_write:
- * @codec:	AC97 codec to send command to
- * @reg:	register to write
- * @val:	value to write
- */
-
-static void
-forte_ac97_write (struct ac97_codec *codec, u8 reg, u16 val)
-{
-	struct forte_chip *chip = codec->private_data;
-
-	spin_lock (&chip->ac97_lock);
-
-	/* Knock, knock */
-	if (forte_ac97_wait (chip)) {
-		printk (KERN_ERR PFX "ac97_write: Serial bus busy\n");
-		goto out;
-	}
-
-	outw (val, chip->iobase + FORTE_AC97_DATA);
-	outb (reg | FORTE_AC97_WRITE, chip->iobase + FORTE_AC97_CMD);
-
-	/* Wait for completion */
-	if (forte_ac97_wait (chip)) {
-		printk (KERN_ERR PFX "ac97_write: Bus busy after write\n");
-		goto out;
-	}
-
- out:
-	spin_unlock (&chip->ac97_lock);
-}
-
-
-/* Mixer ------------------------------------------------------------------- */
-
-
-/**
- * forte_mixer_open:
- * @inode:		
- * @file:		
- */
-
-static int
-forte_mixer_open (struct inode *inode, struct file *file)
-{
-	struct forte_chip *chip = forte;
-	file->private_data = chip->ac97;
-	return 0;
-}
-
-
-/**
- * forte_mixer_release:
- * @inode:		
- * @file:		
- */
-
-static int
-forte_mixer_release (struct inode *inode, struct file *file)
-{
-	/* We will welease Wodewick */
-	return 0;
-}
-
-
-/**
- * forte_mixer_ioctl:
- * @inode:		
- * @file:		
- */
-
-static int
-forte_mixer_ioctl (struct inode *inode, struct file *file, 
-		   unsigned int cmd, unsigned long arg)
-{
-	struct ac97_codec *codec = (struct ac97_codec *) file->private_data;
-
-	return codec->mixer_ioctl (codec, cmd, arg);
-}
-
-
-static struct file_operations forte_mixer_fops = {
-	.owner			= THIS_MODULE,
-	.llseek         	= no_llseek,
-	.ioctl          	= forte_mixer_ioctl,
-	.open           	= forte_mixer_open,
-	.release        	= forte_mixer_release,
-};
-
-
-/* Channel ----------------------------------------------------------------- */
-
-/** 
- * forte_channel_reset:
- * @channel:	Channel to reset
- * 
- * Locking:	Must be called with lock held.
- */
-
-static void
-forte_channel_reset (struct forte_channel *channel)
-{
-	if (!channel || !channel->iobase)
-		return;
-
-	DPRINTK ("%s: channel = %s\n", __FUNCTION__, channel->name);
-
-	channel->ctrl &= ~FORTE_START;
-	outw (channel->ctrl, channel->iobase + FORTE_PLY_CTRL);
-	
-	/* We always play at least two fragments, hence these defaults */
- 	channel->hwptr = channel->frag_sz;
-	channel->next_buf = 1;
-	channel->swptr = 0;
-	channel->filled_frags = 0;
-	channel->active = 0;
-	channel->bytes = 0;
-	channel->nr_irqs = 0;
-	channel->mapped = 0;
-	channel->residue = 0;
-}
-
-
-/** 
- * forte_channel_start:
- * @channel: 	Channel to start (record/playback)
- *
- * Locking:	Must be called with lock held.
- */
-
-static void inline
-forte_channel_start (struct forte_channel *channel)
-{
-	if (!channel || !channel->iobase || channel->active) 
-		return;
-
-	channel->ctrl &= ~(FORTE_PAUSE | FORTE_BUF1_LAST | FORTE_BUF2_LAST
-			   | FORTE_IMMED_STOP);
-	channel->ctrl |= FORTE_START;
-	channel->active = 1;
-	outw (channel->ctrl, channel->iobase + FORTE_PLY_CTRL);
-}
-
-
-/** 
- * forte_channel_stop:
- * @channel: 	Channel to stop
- *
- * Locking:	Must be called with lock held.
- */
-
-static void inline
-forte_channel_stop (struct forte_channel *channel)
-{
-	if (!channel || !channel->iobase) 
-		return;
-
-	channel->ctrl &= ~(FORTE_START | FORTE_PAUSE);	
-	channel->ctrl |= FORTE_IMMED_STOP;
-
-	channel->active = 0;
-	outw (channel->ctrl, channel->iobase + FORTE_PLY_CTRL);
-}
-
-
-/** 
- * forte_channel_pause:
- * @channel: 	Channel to pause
- *
- * Locking:	Must be called with lock held.
- */
-
-static void inline
-forte_channel_pause (struct forte_channel *channel)
-{
-	if (!channel || !channel->iobase) 
-		return;
-
-	channel->ctrl |= FORTE_PAUSE;
-
-	channel->active = 0;
-	outw (channel->ctrl, channel->iobase + FORTE_PLY_CTRL);
-}
-
-
-/** 
- * forte_channel_rate:
- * @channel: 	Channel whose rate to set.  Playback and record are
- *           	independent.
- * @rate:    	Channel rate in Hz
- *
- * Locking:	Must be called with lock held.
- */
-
-static int
-forte_channel_rate (struct forte_channel *channel, unsigned int rate)
-{
-	int new_rate;
-
-	if (!channel || !channel->iobase) 
-		return -EINVAL;
-
-	/* The FM801 only supports a handful of fixed frequencies.
-	 * We find the value closest to what userland requested.
-	 */
-	if      (rate <= 6250)  { rate = 5500;  new_rate =  0; }
-	else if (rate <= 8800)  { rate = 8000;  new_rate =  1; }
-	else if (rate <= 10312) { rate = 9600;  new_rate =  2; }
-	else if (rate <= 13512) { rate = 11025; new_rate =  3; }
-	else if (rate <= 17600) { rate = 16000; new_rate =  4; }
-	else if (rate <= 20625) { rate = 19200; new_rate =  5; }
-	else if (rate <= 27025) { rate = 22050; new_rate =  6; }
-	else if (rate <= 35200) { rate = 32000; new_rate =  7; }
-	else if (rate <= 41250) { rate = 38400; new_rate =  8; }
-	else if (rate <= 46050) { rate = 44100; new_rate =  9; }
-	else                    { rate = 48000; new_rate = 10; }
-
-	channel->ctrl &= ~FORTE_RATE_MASK;
-	channel->ctrl |= new_rate << FORTE_RATE_SHIFT;
-	channel->rate = rate;
-
-	DPRINTK ("%s: %s rate = %d\n", __FUNCTION__, channel->name, rate);
-
-	return rate;
-}
-
-
-/** 
- * forte_channel_format:
- * @channel: 	Channel whose audio format to set
- * @format:  	OSS format ID
- *
- * Locking:	Must be called with lock held.
- */
-
-static int
-forte_channel_format (struct forte_channel *channel, int format)
-{
-	if (!channel || !channel->iobase) 
-		return -EINVAL;
-
-	switch (format) {
-
-	case AFMT_QUERY:
-		break;
-	
-	case AFMT_U8:
-		channel->ctrl &= ~FORTE_16BIT;
-		channel->format = AFMT_U8;
-		break;
-
-	case AFMT_S16_LE:
-	default:
-		channel->ctrl |= FORTE_16BIT;
-		channel->format = AFMT_S16_LE;
-		break;
-	}
-
-	DPRINTK ("%s: %s want %d format, got %d\n", __FUNCTION__, channel->name, 
-		 format, channel->format);
-
-	return channel->format;
-}
-
-
-/** 
- * forte_channel_stereo:
- * @channel: 	Channel to toggle
- * @stereo:  	0 for Mono, 1 for Stereo
- *
- * Locking:	Must be called with lock held.
- */
-
-static int
-forte_channel_stereo (struct forte_channel *channel, unsigned int stereo)
-{
-	int ret;
-
-	if (!channel || !channel->iobase)
-		return -EINVAL;
-
-	DPRINTK ("%s: %s stereo = %d\n", __FUNCTION__, channel->name, stereo);
-
-	switch (stereo) {
-
-	case 0:
-		channel->ctrl &= ~(FORTE_STEREO | FORTE_CHANNELS_MASK);
-		channel-> stereo = stereo;
-		ret = stereo;
-		break;
-
-	case 1:
-		channel->ctrl &= ~FORTE_CHANNELS_MASK;
-		channel->ctrl |= FORTE_STEREO;
-		channel-> stereo = stereo;
-		ret = stereo;
-		break;
-
-	default:
-		DPRINTK ("Unsupported channel format");
-		ret = -EINVAL;
-		break;
-	}
-
-	return ret;
-}
-
-
-/** 
- * forte_channel_buffer:
- * @channel:	Channel whose buffer to set up
- *
- * Locking:	Must be called with lock held.
- */
-
-static void
-forte_channel_buffer (struct forte_channel *channel, int sz, int num)
-{
-	unsigned int msecs, shift;
-
-	/* Go away, I'm busy */
-	if (channel->filled_frags || channel->bytes)
-		return;
-
-	/* Fragment size must be a power of 2 */
-	shift = 0; sz++;
-	while (sz >>= 1)
-		shift++;
-	channel->frag_sz = 1 << shift;
-
-	/* Round fragment size to something reasonable */
-	if (channel->frag_sz < FORTE_MIN_FRAG_SIZE)
-		channel->frag_sz = FORTE_MIN_FRAG_SIZE;
-
-	if (channel->frag_sz > FORTE_MAX_FRAG_SIZE)
-		channel->frag_sz = FORTE_MAX_FRAG_SIZE;
-
-	/* Find fragment length in milliseconds */
-	msecs = channel->frag_sz /
-		(channel->format == AFMT_S16_LE ? 2 : 1) /
-		(channel->stereo ? 2 : 1) /
-		(channel->rate / 1000);
-
-	channel->frag_msecs = msecs;
-
-	/* Pick a suitable number of fragments */
-	if (msecs * num < FORTE_MIN_BUF_MSECS)
-	     num = FORTE_MIN_BUF_MSECS / msecs;
-
-	if (msecs * num > FORTE_MAX_BUF_MSECS)
-	     num = FORTE_MAX_BUF_MSECS / msecs;
-
-	/* Fragment number must be a power of 2 */
-	shift = 0;	
-	while (num >>= 1)
-		shift++;
-	channel->frag_num = 1 << (shift + 1);
-
-	/* Round fragment number to something reasonable */
-	if (channel->frag_num < FORTE_MIN_FRAGMENTS)
-		channel->frag_num = FORTE_MIN_FRAGMENTS;
-
-	if (channel->frag_num > FORTE_MAX_FRAGMENTS)
-		channel->frag_num = FORTE_MAX_FRAGMENTS;
-
-	channel->buf_sz = channel->frag_sz * channel->frag_num;
-
-	DPRINTK ("%s: %s frag_sz = %d, frag_num = %d, buf_sz = %d\n",
-		 __FUNCTION__, channel->name, channel->frag_sz, 
-		 channel->frag_num, channel->buf_sz);
-}
-
-
-/** 
- * forte_channel_prep:
- * @channel:	Channel whose buffer to prepare
- *
- * Locking:	Lock held.
- */
-
-static void
-forte_channel_prep (struct forte_channel *channel)
-{
-	struct page *page;
-	int i;
-	
-	if (channel->buf)
-		return;
-
-	forte_channel_buffer (channel, channel->frag_sz, channel->frag_num);
-	channel->buf_pages = channel->buf_sz >> PAGE_SHIFT;
-
-	if (channel->buf_sz % PAGE_SIZE)
-		channel->buf_pages++;
-
-	DPRINTK ("%s: %s frag_sz = %d, frag_num = %d, buf_sz = %d, pg = %d\n", 
-		 __FUNCTION__, channel->name, channel->frag_sz, 
-		 channel->frag_num, channel->buf_sz, channel->buf_pages);
-
-	/* DMA buffer */
-	channel->buf = pci_alloc_consistent (forte->pci_dev, 
-					     channel->buf_pages * PAGE_SIZE,
-					     &channel->buf_handle);
-
-	if (!channel->buf || !channel->buf_handle)
-		BUG();
-
-	page = virt_to_page (channel->buf);
-	
-	/* FIXME: can this go away ? */
-	for (i = 0 ; i < channel->buf_pages ; i++)
-		SetPageReserved(page++);
-
-	/* Prep buffer registers */
-	outw (channel->frag_sz - 1, channel->iobase + FORTE_PLY_COUNT);
-	outl (channel->buf_handle, channel->iobase + FORTE_PLY_BUF1);
-	outl (channel->buf_handle + channel->frag_sz, 
-	      channel->iobase + FORTE_PLY_BUF2);
-
-	/* Reset hwptr */
- 	channel->hwptr = channel->frag_sz;
-	channel->next_buf = 1;
-
-	DPRINTK ("%s: %s buffer @ %p (%p)\n", __FUNCTION__, channel->name, 
-		 channel->buf, channel->buf_handle);
-}
-
-
-/** 
- * forte_channel_drain:
- * @chip:	
- * @channel:	
- *
- * Locking:	Don't hold the lock.
- */
-
-static inline int
-forte_channel_drain (struct forte_channel *channel)
-{
-	DECLARE_WAITQUEUE (wait, current);
-	unsigned long flags;
-
-	DPRINTK ("%s\n", __FUNCTION__);
-
-	if (channel->mapped) {
-		spin_lock_irqsave (&forte->lock, flags);
-		forte_channel_stop (channel);
-		spin_unlock_irqrestore (&forte->lock, flags);
-		return 0;
-	}
-
-	spin_lock_irqsave (&forte->lock, flags);
-	add_wait_queue (&channel->wait, &wait);
-
-	for (;;) {
-		if (channel->active == 0 || channel->filled_frags == 1)
-			break;
-
-		spin_unlock_irqrestore (&forte->lock, flags);
-
-		__set_current_state (TASK_INTERRUPTIBLE);
-		schedule();
-
-		spin_lock_irqsave (&forte->lock, flags);
-	}
-
-	forte_channel_stop (channel);
-	forte_channel_reset (channel);
-	set_current_state (TASK_RUNNING);
-	remove_wait_queue (&channel->wait, &wait);
-	spin_unlock_irqrestore (&forte->lock, flags);
-
-	return 0;
-}
-
-
-/** 
- * forte_channel_init:
- * @chip: 	Forte chip instance the channel hangs off
- * @channel: 	Channel to initialize
- *
- * Description:
- *	        Initializes a channel, sets defaults, and allocates
- *	        buffers.
- *
- * Locking:	No lock held.
- */
-
-static int
-forte_channel_init (struct forte_chip *chip, struct forte_channel *channel)
-{
-	DPRINTK ("%s: chip iobase @ %p\n", __FUNCTION__, (void *)chip->iobase);
-
-	spin_lock_irq (&chip->lock);
-	memset (channel, 0x0, sizeof (*channel));
-
-	if (channel == &chip->play) {
-		channel->name = "PCM_OUT";
-		channel->iobase = chip->iobase;
-		DPRINTK ("%s: PCM-OUT iobase @ %p\n", __FUNCTION__,
-			 (void *) channel->iobase);
-	}
-	else if (channel == &chip->rec) {
-		channel->name = "PCM_IN";
-		channel->iobase = chip->iobase + FORTE_CAP_OFFSET;
-		channel->record = 1;
-		DPRINTK ("%s: PCM-IN iobase @ %p\n", __FUNCTION__, 
-			 (void *) channel->iobase);
-	}
-	else
-		BUG();
-
-	init_waitqueue_head (&channel->wait);
-
-	/* Defaults: 48kHz, 16-bit, stereo */
-	channel->ctrl = inw (channel->iobase + FORTE_PLY_CTRL);
-	forte_channel_reset (channel);
-	forte_channel_stereo (channel, 1);
-	forte_channel_format (channel, AFMT_S16_LE);
-	forte_channel_rate (channel, 48000);
-	channel->frag_sz = FORTE_DEF_FRAG_SIZE;
-	channel->frag_num = FORTE_DEF_FRAGMENTS;
-
-	chip->trigger = 0;
-	spin_unlock_irq (&chip->lock);
-
-	return 0;
-}
-
-
-/** 
- * forte_channel_free:
- * @chip:	Chip this channel hangs off
- * @channel:	Channel to nuke 
- *
- * Description:
- * 		Resets channel and frees buffers.
- *
- * Locking:	Hold your horses.
- */
-
-static void
-forte_channel_free (struct forte_chip *chip, struct forte_channel *channel)
-{
-	DPRINTK ("%s: %s\n", __FUNCTION__, channel->name);
-
-	if (!channel->buf_handle)
-		return;
-
-	pci_free_consistent (chip->pci_dev, channel->buf_pages * PAGE_SIZE, 
-			     channel->buf, channel->buf_handle);
-	
-	memset (channel, 0x0, sizeof (*channel));
-}
-
-
-/* DSP --------------------------------------------------------------------- */
-
-
-/**
- * forte_dsp_ioctl:
- */
-
-static int
-forte_dsp_ioctl (struct inode *inode, struct file *file, unsigned int cmd,
-		 unsigned long arg)
-{
-	int ival=0, ret, rval=0, rd, wr, count;
-	struct forte_chip *chip;
-	struct audio_buf_info abi;
-	struct count_info cinfo;
-	void __user *argp = (void __user *)arg;
-	int __user *p = argp;
-
-	chip = file->private_data;
-	
-	if (file->f_mode & FMODE_WRITE)
-		wr = 1;
-	else 
-		wr = 0;
-
-	if (file->f_mode & FMODE_READ)
-		rd = 1;
-	else
-		rd = 0;
-
-	switch (cmd) {
-
-	case OSS_GETVERSION:
-		return put_user (SOUND_VERSION, p);
-
-	case SNDCTL_DSP_GETCAPS:
-		DPRINTK ("%s: GETCAPS\n", __FUNCTION__);
-
-		ival = FORTE_CAPS; /* DUPLEX */
-		return put_user (ival, p);
-
-	case SNDCTL_DSP_GETFMTS:
-		DPRINTK ("%s: GETFMTS\n", __FUNCTION__);
-
-		ival = FORTE_FMTS; /* U8, 16LE */
-		return put_user (ival, p);
-
-	case SNDCTL_DSP_SETFMT:	/* U8, 16LE */
-		DPRINTK ("%s: SETFMT\n", __FUNCTION__);
-
-		if (get_user (ival, p))
-			return -EFAULT;
-
-		spin_lock_irq (&chip->lock);
-
-		if (rd) {
-			forte_channel_stop (&chip->rec);
-			rval = forte_channel_format (&chip->rec, ival);
-		}
-
-		if (wr) {
-			forte_channel_stop (&chip->rec);
-			rval = forte_channel_format (&chip->play, ival);
-		}
-
-		spin_unlock_irq (&chip->lock);
-	
-		return put_user (rval, p);
-
-	case SNDCTL_DSP_STEREO:	/* 0 - mono, 1 - stereo */
-		DPRINTK ("%s: STEREO\n", __FUNCTION__);
-
-		if (get_user (ival, p))
-			return -EFAULT;
-
-		spin_lock_irq (&chip->lock);
-
-		if (rd) {
-			forte_channel_stop (&chip->rec);
-			rval = forte_channel_stereo (&chip->rec, ival);
-		}
-
-		if (wr) {
-			forte_channel_stop (&chip->rec);
-			rval = forte_channel_stereo (&chip->play, ival);
-		}
-
-		spin_unlock_irq (&chip->lock);
-
-                return put_user (rval, p);
-
-	case SNDCTL_DSP_CHANNELS: /* 1 - mono, 2 - stereo */
-		DPRINTK ("%s: CHANNELS\n", __FUNCTION__);
-
-		if (get_user (ival, p))
-			return -EFAULT;
-
-		spin_lock_irq (&chip->lock);
-
-		if (rd) {
-			forte_channel_stop (&chip->rec);
-			rval = forte_channel_stereo (&chip->rec, ival-1) + 1;
-		}
-
-		if (wr) {
-			forte_channel_stop (&chip->play);
-			rval = forte_channel_stereo (&chip->play, ival-1) + 1;
-		}
-
-		spin_unlock_irq (&chip->lock);
-
-                return put_user (rval, p);
-
-	case SNDCTL_DSP_SPEED:
-		DPRINTK ("%s: SPEED\n", __FUNCTION__);
-
-		if (get_user (ival, p))
-                        return -EFAULT;
-
-		spin_lock_irq (&chip->lock);
-
-		if (rd) {
-			forte_channel_stop (&chip->rec);
-			rval = forte_channel_rate (&chip->rec, ival);
-		}
-
-		if (wr) {
-			forte_channel_stop (&chip->play);
-			rval = forte_channel_rate (&chip->play, ival);
-		}
-
-		spin_unlock_irq (&chip->lock);
-
-                return put_user(rval, p);
-
-	case SNDCTL_DSP_GETBLKSIZE:
-		DPRINTK ("%s: GETBLKSIZE\n", __FUNCTION__);
-
-		spin_lock_irq (&chip->lock);
-
-		if (rd)
-			ival = chip->rec.frag_sz;
-
-		if (wr)
-			ival = chip->play.frag_sz;
-
-		spin_unlock_irq (&chip->lock);
-
-                return put_user (ival, p);
-
-	case SNDCTL_DSP_RESET:
-		DPRINTK ("%s: RESET\n", __FUNCTION__);
-
-		spin_lock_irq (&chip->lock);
-
-		if (rd)
-			forte_channel_reset (&chip->rec);
-
-		if (wr)
-			forte_channel_reset (&chip->play);
-
-		spin_unlock_irq (&chip->lock);
-
-                return 0;
-
-	case SNDCTL_DSP_SYNC:
-		DPRINTK ("%s: SYNC\n", __FUNCTION__);
-
-		if (wr)
-			ret = forte_channel_drain (&chip->play);
-
-		return 0;
-
-	case SNDCTL_DSP_POST:
-		DPRINTK ("%s: POST\n", __FUNCTION__);
-
-		if (wr) {
-			spin_lock_irq (&chip->lock);
-
-			if (chip->play.filled_frags)
-				forte_channel_start (&chip->play);
-
-			spin_unlock_irq (&chip->lock);
-		}
-
-                return 0;
-
-	case SNDCTL_DSP_SETFRAGMENT:
-		DPRINTK ("%s: SETFRAGMENT\n", __FUNCTION__);
-
-		if (get_user (ival, p))
-			return -EFAULT;
-
-		spin_lock_irq (&chip->lock);
-
-		if (rd) {
-			forte_channel_buffer (&chip->rec, ival & 0xffff, 
-					      (ival >> 16) & 0xffff);
-			ival = (chip->rec.frag_num << 16) + chip->rec.frag_sz;
-		}
-
-		if (wr) {
-			forte_channel_buffer (&chip->play, ival & 0xffff, 
-					      (ival >> 16) & 0xffff);
-			ival = (chip->play.frag_num << 16) +chip->play.frag_sz;
-		}
-
-		spin_unlock_irq (&chip->lock);
-
-		return put_user (ival, p);
-                
-        case SNDCTL_DSP_GETISPACE:
-		DPRINTK ("%s: GETISPACE\n", __FUNCTION__);
-
-		if (!rd)
-			return -EINVAL;
-
-		spin_lock_irq (&chip->lock);
-
-		abi.fragstotal = chip->rec.frag_num;
-		abi.fragsize = chip->rec.frag_sz;
-			
-		if (chip->rec.mapped) {
-			abi.fragments = chip->rec.frag_num - 2;
-			abi.bytes = abi.fragments * abi.fragsize;
-		}
-		else {
-			abi.fragments = chip->rec.filled_frags;
-			abi.bytes = abi.fragments * abi.fragsize;
-		}
-
-		spin_unlock_irq (&chip->lock);
-
-		return copy_to_user (argp, &abi, sizeof (abi)) ? -EFAULT : 0;
-
-	case SNDCTL_DSP_GETIPTR:
-		DPRINTK ("%s: GETIPTR\n", __FUNCTION__);
-
-		if (!rd)
-			return -EINVAL;
-
-		spin_lock_irq (&chip->lock);
-
-		if (chip->rec.active) 
-			cinfo.ptr = chip->rec.hwptr;
-		else
-			cinfo.ptr = 0;
-
-		cinfo.bytes = chip->rec.bytes;
-		cinfo.blocks = chip->rec.nr_irqs;
-		chip->rec.nr_irqs = 0;
-
-		spin_unlock_irq (&chip->lock);
-
-		return copy_to_user (argp, &cinfo, sizeof (cinfo)) ? -EFAULT : 0;
-
-        case SNDCTL_DSP_GETOSPACE:
-		if (!wr)
-			return -EINVAL;
-		
-		spin_lock_irq (&chip->lock);
-
-		abi.fragstotal = chip->play.frag_num;
-		abi.fragsize = chip->play.frag_sz;
-
-		if (chip->play.mapped) {
-			abi.fragments = chip->play.frag_num - 2;
-			abi.bytes = chip->play.buf_sz;
-		}
-		else {
-			abi.fragments = chip->play.frag_num - 
-				chip->play.filled_frags;
-
-			if (chip->play.residue)
-				abi.fragments--;
-
-			abi.bytes = abi.fragments * abi.fragsize +
-				chip->play.residue;
-		}
-
-		spin_unlock_irq (&chip->lock);
-		
-		return copy_to_user (argp, &abi, sizeof (abi)) ? -EFAULT : 0;
-
-	case SNDCTL_DSP_GETOPTR:
-		if (!wr)
-			return -EINVAL;
-
-		spin_lock_irq (&chip->lock);
-
-		if (chip->play.active) 
-			cinfo.ptr = chip->play.hwptr;
-		else
-			cinfo.ptr = 0;
-
-		cinfo.bytes = chip->play.bytes;
-		cinfo.blocks = chip->play.nr_irqs;
-		chip->play.nr_irqs = 0;
-
-		spin_unlock_irq (&chip->lock);
-
-		return copy_to_user (argp, &cinfo, sizeof (cinfo)) ? -EFAULT : 0;
-
-	case SNDCTL_DSP_GETODELAY:
-		if (!wr)
-			return -EINVAL;
-
-		spin_lock_irq (&chip->lock);
-
-		if (!chip->play.active) {
-			ival = 0;
-		}
-		else if (chip->play.mapped) {
-			count = inw (chip->play.iobase + FORTE_PLY_COUNT) + 1;
-			ival = chip->play.frag_sz - count;
-		}
-		else {
-			ival = chip->play.filled_frags * chip->play.frag_sz;
-
-			if (chip->play.residue)
-				ival += chip->play.frag_sz - chip->play.residue;
-		}
-
-		spin_unlock_irq (&chip->lock);
-
-		return put_user (ival, p);
-
-	case SNDCTL_DSP_SETDUPLEX:
-		DPRINTK ("%s: SETDUPLEX\n", __FUNCTION__);
-
-		return -EINVAL;
-
-	case SNDCTL_DSP_GETTRIGGER:
-		DPRINTK ("%s: GETTRIGGER\n", __FUNCTION__);
-		
-		return put_user (chip->trigger, p);
-		
-	case SNDCTL_DSP_SETTRIGGER:
-
-		if (get_user (ival, p))
-			return -EFAULT;
-
-		DPRINTK ("%s: SETTRIGGER %d\n", __FUNCTION__, ival);
-
-		if (wr) {
-			spin_lock_irq (&chip->lock);
-
-			if (ival & PCM_ENABLE_OUTPUT)
-				forte_channel_start (&chip->play);
-			else {		
-				chip->trigger = 1;
-				forte_channel_prep (&chip->play);
-				forte_channel_stop (&chip->play);
-			}
-
-			spin_unlock_irq (&chip->lock);
-		}
-		else if (rd) {
-			spin_lock_irq (&chip->lock);
-
-			if (ival & PCM_ENABLE_INPUT)
-				forte_channel_start (&chip->rec);
-			else {		
-				chip->trigger = 1;
-				forte_channel_prep (&chip->rec);
-				forte_channel_stop (&chip->rec);
-			}
-
-			spin_unlock_irq (&chip->lock);
-		}
-
-		return 0;
-		
-	case SOUND_PCM_READ_RATE:
-		DPRINTK ("%s: PCM_READ_RATE\n", __FUNCTION__);		
-		return put_user (chip->play.rate, p);
-
-	case SOUND_PCM_READ_CHANNELS:
-		DPRINTK ("%s: PCM_READ_CHANNELS\n", __FUNCTION__);
-		return put_user (chip->play.stereo, p);
-
-	case SOUND_PCM_READ_BITS:
-		DPRINTK ("%s: PCM_READ_BITS\n", __FUNCTION__);		
-		return put_user (chip->play.format, p);
-
-	case SNDCTL_DSP_NONBLOCK:
-		DPRINTK ("%s: DSP_NONBLOCK\n", __FUNCTION__);		
-                file->f_flags |= O_NONBLOCK;
-		return 0;
-
-	default:
-		DPRINTK ("Unsupported ioctl: %x (%p)\n", cmd, argp);
-		break;
-	}
-
-	return -EINVAL;
-}
-
-
-/**
- * forte_dsp_open:
- */
-
-static int 
-forte_dsp_open (struct inode *inode, struct file *file)
-{
-	struct forte_chip *chip = forte; /* FIXME: HACK FROM HELL! */
-
-	if (file->f_flags & O_NONBLOCK) {
-		if (!mutex_trylock(&chip->open_mutex)) {
-			DPRINTK ("%s: returning -EAGAIN\n", __FUNCTION__);
-			return -EAGAIN;
-		}
-	}
-	else {
-		if (mutex_lock_interruptible(&chip->open_mutex)) {
-			DPRINTK ("%s: returning -ERESTARTSYS\n", __FUNCTION__);
-			return -ERESTARTSYS;
-		}
-	}
-
-	file->private_data = forte;
-
-	DPRINTK ("%s: dsp opened by %d\n", __FUNCTION__, current->pid);
-
-	if (file->f_mode & FMODE_WRITE)
-		forte_channel_init (forte, &forte->play);
-
-	if (file->f_mode & FMODE_READ)
-		forte_channel_init (forte, &forte->rec);
-
-	return nonseekable_open(inode, file);
-}
-
-
-/**
- * forte_dsp_release:
- */
-
-static int 
-forte_dsp_release (struct inode *inode, struct file *file)
-{
-	struct forte_chip *chip = file->private_data;
-	int ret = 0;
-
-	DPRINTK ("%s: chip @ %p\n", __FUNCTION__, chip);
-
-	if (file->f_mode & FMODE_WRITE) {
-		forte_channel_drain (&chip->play);
-
-		spin_lock_irq (&chip->lock);
-
- 		forte_channel_free (chip, &chip->play);
-
-		spin_unlock_irq (&chip->lock);
-        }
-
-	if (file->f_mode & FMODE_READ) {
-		while (chip->rec.filled_frags > 0)
-			interruptible_sleep_on (&chip->rec.wait);
-
-		spin_lock_irq (&chip->lock);
-
-		forte_channel_stop (&chip->rec);
-		forte_channel_free (chip, &chip->rec);
-
-		spin_unlock_irq (&chip->lock);
-	}
-
-	mutex_unlock(&chip->open_mutex);
-
-	return ret;
-}
-
-
-/**
- * forte_dsp_poll:
- *
- */
-
-static unsigned int 
-forte_dsp_poll (struct file *file, struct poll_table_struct *wait)
-{
-	struct forte_chip *chip;
-	struct forte_channel *channel;
-	unsigned int mask = 0;
-
-	chip = file->private_data;
-
-	if (file->f_mode & FMODE_WRITE) {
-		channel = &chip->play;
-
-		if (channel->active)
-			poll_wait (file, &channel->wait, wait);
-
-		spin_lock_irq (&chip->lock);
-
-		if (channel->frag_num - channel->filled_frags > 0)
-			mask |= POLLOUT | POLLWRNORM;
-
-		spin_unlock_irq (&chip->lock);
-	}
-
-	if (file->f_mode & FMODE_READ) {
-		channel = &chip->rec;
-
-		if (channel->active)
-			poll_wait (file, &channel->wait, wait);
-
-		spin_lock_irq (&chip->lock);
-
-		if (channel->filled_frags > 0)
-			mask |= POLLIN | POLLRDNORM;
-
-		spin_unlock_irq (&chip->lock);
-	}
-
-	return mask;
-}
-
-
-/**
- * forte_dsp_mmap:
- */
-
-static int
-forte_dsp_mmap (struct file *file, struct vm_area_struct *vma)
-{
-	struct forte_chip *chip;
-	struct forte_channel *channel;
-	unsigned long size;
-	int ret;
-
-	chip = file->private_data;
-
-	DPRINTK ("%s: start %lXh, size %ld, pgoff %ld\n", __FUNCTION__,
-                 vma->vm_start, vma->vm_end - vma->vm_start, vma->vm_pgoff);
-
-	spin_lock_irq (&chip->lock);
-
-	if (vma->vm_flags & VM_WRITE && chip->play.active) {
-		ret = -EBUSY;
-		goto out;
-	}
-
-        if (vma->vm_flags & VM_READ && chip->rec.active) {
-		ret = -EBUSY;
-		goto out;
-        }
-
-	if (file->f_mode & FMODE_WRITE)
-		channel = &chip->play;
-	else if (file->f_mode & FMODE_READ)
-		channel = &chip->rec;
-	else {
-		ret = -EINVAL;
-		goto out;
-	}
-
-	forte_channel_prep (channel);
-	channel->mapped = 1;
-
-        if (vma->vm_pgoff != 0) {
-		ret = -EINVAL;
-                goto out;
-	}
-
-        size = vma->vm_end - vma->vm_start;
-
-        if (size > channel->buf_pages * PAGE_SIZE) {
-		DPRINTK ("%s: size (%ld) > buf_sz (%d) \n", __FUNCTION__,
-			 size, channel->buf_sz);
-		ret = -EINVAL;
-                goto out;
-	}
-
-        if (remap_pfn_range(vma, vma->vm_start,
-			      virt_to_phys(channel->buf) >> PAGE_SHIFT,
-			      size, vma->vm_page_prot)) {
-		DPRINTK ("%s: remap el a no worko\n", __FUNCTION__);
-		ret = -EAGAIN;
-                goto out;
-	}
-
-        ret = 0;
-
- out:
-	spin_unlock_irq (&chip->lock);
-        return ret;
-}
-
-
-/**
- * forte_dsp_write:
- */
-
-static ssize_t 
-forte_dsp_write (struct file *file, const char __user *buffer, size_t bytes, 
-		 loff_t *ppos)
-{
-	struct forte_chip *chip;
-	struct forte_channel *channel;
-	unsigned int i = bytes, sz = 0;
-	unsigned long flags;
-
-	if (!access_ok (VERIFY_READ, buffer, bytes))
-		return -EFAULT;
-
-	chip = (struct forte_chip *) file->private_data;
-
-	if (!chip)
-		BUG();
-
-	channel = &chip->play;
-
-	if (!channel)
-		BUG();
-
-	spin_lock_irqsave (&chip->lock, flags);
-
-	/* Set up buffers with the right fragment size */
-	forte_channel_prep (channel);
-
-	while (i) {
-		/* All fragment buffers in use -> wait */
-		if (channel->frag_num - channel->filled_frags == 0) {
-			DECLARE_WAITQUEUE (wait, current);
-
-			/* For trigger or non-blocking operation, get out */
-			if (chip->trigger || file->f_flags & O_NONBLOCK) {
-				spin_unlock_irqrestore (&chip->lock, flags);
-				return -EAGAIN;
-			}
-
-			/* Otherwise wait for buffers */
-			add_wait_queue (&channel->wait, &wait);
-
-			for (;;) {
-				spin_unlock_irqrestore (&chip->lock, flags);
-
-				set_current_state (TASK_INTERRUPTIBLE);
-				schedule();
-
-				spin_lock_irqsave (&chip->lock, flags);
-
-				if (channel->frag_num - channel->filled_frags)
-					break;
-			}
-
-			remove_wait_queue (&channel->wait, &wait);
-			set_current_state (TASK_RUNNING);
-
-			if (signal_pending (current)) {
-				spin_unlock_irqrestore (&chip->lock, flags);
-				return -ERESTARTSYS;
-			}
-		}
-
-		if (channel->residue)
-			sz = channel->residue;
-		else if (i > channel->frag_sz)
-			sz = channel->frag_sz;
-		else
-			sz = i;
-
-		spin_unlock_irqrestore (&chip->lock, flags);
-
-		if (copy_from_user ((void *) channel->buf + channel->swptr, buffer, sz))
-			return -EFAULT;
-
-		spin_lock_irqsave (&chip->lock, flags);
-
-		/* Advance software pointer */
-		buffer += sz;
-		channel->swptr += sz;
-		channel->swptr %= channel->buf_sz;
-		i -= sz;
-
-		/* Only bump filled_frags if a full fragment has been written */
-		if (channel->swptr % channel->frag_sz == 0) {
-			channel->filled_frags++;
-			channel->residue = 0;
-		}
-		else
-			channel->residue = channel->frag_sz - sz;
-
-		/* If playback isn't active, start it */
-		if (channel->active == 0 && chip->trigger == 0)
-			forte_channel_start (channel);
-	}
-
-	spin_unlock_irqrestore (&chip->lock, flags);
-
-	return bytes - i;
-}
-
-
-/**
- * forte_dsp_read:
- */
-
-static ssize_t 
-forte_dsp_read (struct file *file, char __user *buffer, size_t bytes, 
-		loff_t *ppos)
-{
-	struct forte_chip *chip;
-	struct forte_channel *channel;
-	unsigned int i = bytes, sz;
-	unsigned long flags;
-
-	if (!access_ok (VERIFY_WRITE, buffer, bytes))
-		return -EFAULT;
-
-	chip = (struct forte_chip *) file->private_data;
-
-	if (!chip)
-		BUG();
-
-	channel = &chip->rec;
-
-	if (!channel)
-		BUG();
-
-	spin_lock_irqsave (&chip->lock, flags);
-
-	/* Set up buffers with the right fragment size */
-	forte_channel_prep (channel);
-
-	/* Start recording */
-	if (!chip->trigger)
-		forte_channel_start (channel);
-
-	while (i) {
-		/* No fragment buffers in use -> wait */
-		if (channel->filled_frags == 0) {
-			DECLARE_WAITQUEUE (wait, current);
-
-			/* For trigger mode operation, get out */
-			if (chip->trigger) {
-				spin_unlock_irqrestore (&chip->lock, flags);
-				return -EAGAIN;
-			}
-
-			add_wait_queue (&channel->wait, &wait);
-
-			for (;;) {
-				if (channel->active == 0)
-					break;
-
-				if (channel->filled_frags)
-					break;
-						
-				spin_unlock_irqrestore (&chip->lock, flags);
-
-				set_current_state (TASK_INTERRUPTIBLE);
-				schedule();
-
-				spin_lock_irqsave (&chip->lock, flags);
-			}
-
-			set_current_state (TASK_RUNNING);
-			remove_wait_queue (&channel->wait, &wait);
-		}
-
-		if (i > channel->frag_sz)
-			sz = channel->frag_sz;
-		else
-			sz = i;
-
-		spin_unlock_irqrestore (&chip->lock, flags);
-
-		if (copy_to_user (buffer, (void *)channel->buf+channel->swptr, sz)) {
-			DPRINTK ("%s: copy_to_user failed\n", __FUNCTION__);
-			return -EFAULT;
-		}
-
-		spin_lock_irqsave (&chip->lock, flags);
-
-		/* Advance software pointer */
-		buffer += sz;
-		if (channel->filled_frags > 0)
-			channel->filled_frags--;
-		channel->swptr += channel->frag_sz;
-		channel->swptr %= channel->buf_sz;
-		i -= sz;
-	}
-
-	spin_unlock_irqrestore (&chip->lock, flags);
-
-	return bytes - i;
-}
-
-
-static struct file_operations forte_dsp_fops = {
-	.owner			= THIS_MODULE,
-	.llseek     		= &no_llseek,
-	.read       		= &forte_dsp_read,
-	.write      		= &forte_dsp_write,
-	.poll       		= &forte_dsp_poll,
-	.ioctl      		= &forte_dsp_ioctl,
-	.open       		= &forte_dsp_open,
-	.release    		= &forte_dsp_release,
-	.mmap			= &forte_dsp_mmap,
-};
-
-
-/* Common ------------------------------------------------------------------ */
-
-
-/**
- * forte_interrupt:
- */
-
-static irqreturn_t
-forte_interrupt (int irq, void *dev_id, struct pt_regs *regs)
-{
-	struct forte_chip *chip = dev_id;
-	struct forte_channel *channel = NULL;
-	u16 status, count; 
-
-	status = inw (chip->iobase + FORTE_IRQ_STATUS);
-
-	/* If this is not for us, get outta here ASAP */
-	if ((status & (FORTE_IRQ_PLAYBACK | FORTE_IRQ_CAPTURE)) == 0)
-		return IRQ_NONE;
-	
-	if (status & FORTE_IRQ_PLAYBACK) {
-		channel = &chip->play;
-
-		spin_lock (&chip->lock);
-
-		if (channel->frag_sz == 0)
-			goto pack;
-
-		/* Declare a fragment done */
-		if (channel->filled_frags > 0)
-			channel->filled_frags--;
-		channel->bytes += channel->frag_sz;
-		channel->nr_irqs++;
-		
-		/* Flip-flop between buffer I and II */
-		channel->next_buf ^= 1;
-
-		/* Advance hardware pointer by fragment size and wrap around */
-		channel->hwptr += channel->frag_sz;
-		channel->hwptr %= channel->buf_sz;
-
-		/* Buffer I or buffer II BAR */
-                outl (channel->buf_handle + channel->hwptr, 
-		      channel->next_buf == 0 ?
-		      channel->iobase + FORTE_PLY_BUF1 :
-		      channel->iobase + FORTE_PLY_BUF2);
-
-		/* If the currently playing fragment is last, schedule pause */
-		if (channel->filled_frags == 1) 
-			forte_channel_pause (channel);
-
-	pack:
-		/* Acknowledge interrupt */
-                outw (FORTE_IRQ_PLAYBACK, chip->iobase + FORTE_IRQ_STATUS);
-
-		if (waitqueue_active (&channel->wait)) 
-			wake_up_all (&channel->wait);
-
-		spin_unlock (&chip->lock);
-	}
-
-	if (status & FORTE_IRQ_CAPTURE) {
-		channel = &chip->rec;
-		spin_lock (&chip->lock);
-
-		/* One fragment filled */
-		channel->filled_frags++;
-
-		/* Get # of completed bytes */
-		count = inw (channel->iobase + FORTE_PLY_COUNT) + 1;
-
-		if (count == 0) {
-			DPRINTK ("%s: last, filled_frags = %d\n", __FUNCTION__,
-				 channel->filled_frags);
-			channel->filled_frags = 0;
-			goto rack;
-		}
-
-		/* Buffer I or buffer II BAR */
-                outl (channel->buf_handle + channel->hwptr, 
-		      channel->next_buf == 0 ?
-		      channel->iobase + FORTE_PLY_BUF1 :
-		      channel->iobase + FORTE_PLY_BUF2);
-
-		/* Flip-flop between buffer I and II */
-		channel->next_buf ^= 1;
-
-		/* Advance hardware pointer by fragment size and wrap around */
-		channel->hwptr += channel->frag_sz;
-		channel->hwptr %= channel->buf_sz;
-
-		/* Out of buffers */
-		if (channel->filled_frags == channel->frag_num - 1)
-			forte_channel_stop (channel);
-	rack:
-		/* Acknowledge interrupt */
-                outw (FORTE_IRQ_CAPTURE, chip->iobase + FORTE_IRQ_STATUS);
-
-		spin_unlock (&chip->lock);
-
-		if (waitqueue_active (&channel->wait))
-			wake_up_all (&channel->wait);		
-	}
-
-	return IRQ_HANDLED;
-}
-
-
-/**
- * forte_proc_read:
- */
-
-static int
-forte_proc_read (char *page, char **start, off_t off, int count, 
-		 int *eof, void *data)
-{
-	int i = 0, p_rate, p_chan, r_rate;
-	unsigned short p_reg, r_reg;
-
-	i += sprintf (page, "ForteMedia FM801 OSS Lite driver\n%s\n \n", 
-		      DRIVER_VERSION);
-
-	if (!forte->iobase)
-		return i;
-
-	p_rate = p_chan = -1;
-	p_reg  = inw (forte->iobase + FORTE_PLY_CTRL);
-	p_rate = (p_reg >> 8) & 15;
-	p_chan = (p_reg >> 12) & 3;
-
- 	if (p_rate >= 0 || p_rate <= 10)
-		p_rate = rates[p_rate];
-
-	if (p_chan >= 0 || p_chan <= 2)
-		p_chan = channels[p_chan];
-
-	r_rate = -1;
-	r_reg  = inw (forte->iobase + FORTE_CAP_CTRL);
-	r_rate = (r_reg >> 8) & 15;
-
- 	if (r_rate >= 0 || r_rate <= 10)
-		r_rate = rates[r_rate]; 
-
-	i += sprintf (page + i,
-		      "             Playback  Capture\n"
-		      "FIFO empty : %-3s       %-3s\n"
-		      "Buf1 Last  : %-3s       %-3s\n"
-		      "Buf2 Last  : %-3s       %-3s\n"
-		      "Started    : %-3s       %-3s\n"
-		      "Paused     : %-3s       %-3s\n"
-		      "Immed Stop : %-3s       %-3s\n"
-		      "Rate       : %-5d     %-5d\n"
-		      "Channels   : %-5d     -\n"
-		      "16-bit     : %-3s       %-3s\n"
-		      "Stereo     : %-3s       %-3s\n"
-		      " \n"
-		      "Buffer Sz  : %-6d    %-6d\n"
-		      "Frag Sz    : %-6d    %-6d\n"
-		      "Frag Num   : %-6d    %-6d\n"
-		      "Frag msecs : %-6d    %-6d\n"
-		      "Used Frags : %-6d    %-6d\n"
-		      "Mapped     : %-3s       %-3s\n",
-		      p_reg & 1<<0  ? "yes" : "no",
-		      r_reg & 1<<0  ? "yes" : "no",
-		      p_reg & 1<<1  ? "yes" : "no",
-		      r_reg & 1<<1  ? "yes" : "no",
-		      p_reg & 1<<2  ? "yes" : "no",
-		      r_reg & 1<<2  ? "yes" : "no",
-		      p_reg & 1<<5  ? "yes" : "no",
-		      r_reg & 1<<5  ? "yes" : "no",
-		      p_reg & 1<<6  ? "yes" : "no",
-		      r_reg & 1<<6  ? "yes" : "no",
-		      p_reg & 1<<7  ? "yes" : "no",
-		      r_reg & 1<<7  ? "yes" : "no",
-		      p_rate, r_rate,
-		      p_chan,
-		      p_reg & 1<<14 ? "yes" : "no",
-		      r_reg & 1<<14 ? "yes" : "no",
-		      p_reg & 1<<15 ? "yes" : "no",
-		      r_reg & 1<<15 ? "yes" : "no",
-		      forte->play.buf_sz,       forte->rec.buf_sz,
-		      forte->play.frag_sz,      forte->rec.frag_sz,
-		      forte->play.frag_num,     forte->rec.frag_num,
-		      forte->play.frag_msecs,   forte->rec.frag_msecs,
-		      forte->play.filled_frags, forte->rec.filled_frags,
-		      forte->play.mapped ? "yes" : "no",
-		      forte->rec.mapped ? "yes" : "no"
-		);
-
-	return i;
-}
-
-
-/**
- * forte_proc_init:
- *
- * Creates driver info entries in /proc
- */
-
-static int __init 
-forte_proc_init (void)
-{
-	if (!proc_mkdir ("driver/forte", NULL))
-		return -EIO;
-
-	if (!create_proc_read_entry ("driver/forte/chip", 0, NULL, forte_proc_read, forte)) {
-		remove_proc_entry ("driver/forte", NULL);
-		return -EIO;
-	}
-
-	if (!create_proc_read_entry("driver/forte/ac97", 0, NULL, ac97_read_proc, forte->ac97)) {
-		remove_proc_entry ("driver/forte/chip", NULL);
-		remove_proc_entry ("driver/forte", NULL);
-		return -EIO;
-	}
-
-	return 0;
-}
-
-
-/**
- * forte_proc_remove:
- *
- * Removes driver info entries in /proc
- */
-
-static void
-forte_proc_remove (void)
-{
-	remove_proc_entry ("driver/forte/ac97", NULL);
-	remove_proc_entry ("driver/forte/chip", NULL);
-	remove_proc_entry ("driver/forte", NULL);	
-}
-
-
-/**
- * forte_chip_init:
- * @chip:	Chip instance to initialize
- *
- * Description:
- * 		Resets chip, configures codec and registers the driver with
- * 		the sound subsystem.
- *
- * 		Press and hold Start for 8 secs, then switch on Run
- * 		and hold for 4 seconds.  Let go of Start.  Numbers
- * 		assume a properly oiled TWG.
- */
-
-static int __devinit
-forte_chip_init (struct forte_chip *chip)
-{
-	u8 revision;
-	u16 cmdw;
-	struct ac97_codec *codec;
-
-	pci_read_config_byte (chip->pci_dev, PCI_REVISION_ID, &revision);
-
-	if (revision >= 0xB1) {
-		chip->multichannel = 1;
-		printk (KERN_INFO PFX "Multi-channel device detected.\n");
-	}
-
-	/* Reset chip */
-	outw (FORTE_CC_CODEC_RESET | FORTE_CC_AC97_RESET, 
-	      chip->iobase + FORTE_CODEC_CTRL);
-	udelay(100);
-	outw (0, chip->iobase + FORTE_CODEC_CTRL);
-
-	/* Request read from AC97 */
-	outw (FORTE_AC97_READ | (0 << FORTE_AC97_ADDR_SHIFT), 
-	      chip->iobase + FORTE_AC97_CMD);
-	mdelay(750);
-
-	if ((inw (chip->iobase + FORTE_AC97_CMD) & (3<<8)) != (1<<8)) {
-		printk (KERN_INFO PFX "AC97 codec not responding");
-		return -EIO;
-	}
-
-	/* Init volume */
-	outw (0x0808, chip->iobase + FORTE_PCM_VOL);
-	outw (0x9f1f, chip->iobase + FORTE_FM_VOL);
-	outw (0x8808, chip->iobase + FORTE_I2S_VOL);
-
-	/* I2S control - I2S mode */
-	outw (0x0003, chip->iobase + FORTE_I2S_MODE);
-
-	/* Interrupt setup - unmask PLAYBACK & CAPTURE */
-	cmdw = inw (chip->iobase + FORTE_IRQ_MASK);
-	cmdw &= ~0x0003;
-	outw (cmdw, chip->iobase + FORTE_IRQ_MASK);
-
-	/* Interrupt clear */
-	outw (FORTE_IRQ_PLAYBACK|FORTE_IRQ_CAPTURE, 
-	      chip->iobase + FORTE_IRQ_STATUS);
-
-	/* Set up the AC97 codec */
-	if ((codec = ac97_alloc_codec()) == NULL)
-		return -ENOMEM;
-	codec->private_data = chip;
-	codec->codec_read = forte_ac97_read;
-	codec->codec_write = forte_ac97_write;
-	codec->id = 0;
-
-	if (ac97_probe_codec (codec) == 0) {
-		printk (KERN_ERR PFX "codec probe failed\n");
-		ac97_release_codec(codec);
-		return -1;
-	}
-
-	/* Register mixer */
-	if ((codec->dev_mixer = 
-	     register_sound_mixer (&forte_mixer_fops, -1)) < 0) {
-		printk (KERN_ERR PFX "couldn't register mixer!\n");
-		ac97_release_codec(codec);
-		return -1;
-	}
-
-	chip->ac97 = codec;
-
-	/* Register DSP */
-	if ((chip->dsp = register_sound_dsp (&forte_dsp_fops, -1) ) < 0) {
-		printk (KERN_ERR PFX "couldn't register dsp!\n");
-		return -1;
-	}
-
-	/* Register with /proc */
-	if (forte_proc_init()) {
-		printk (KERN_ERR PFX "couldn't add entries to /proc!\n");
-		return -1;
-	}
-
-	return 0;
-}
-
-
-/**
- * forte_probe:
- * @pci_dev:	PCI struct for probed device
- * @pci_id:	
- *
- * Description:
- *		Allocates chip instance, I/O region, and IRQ
- */
-static int __init 
-forte_probe (struct pci_dev *pci_dev, const struct pci_device_id *pci_id)
-{
-	struct forte_chip *chip;
-	int ret = 0;
-
-	/* FIXME: Support more than one chip */
-	if (found++)
-		return -EIO;
-
-	/* Ignition */
-	if (pci_enable_device (pci_dev))
-		return -EIO;
-
-	pci_set_master (pci_dev);
-
-	/* Allocate chip instance and configure */
-	forte = (struct forte_chip *) 
-		kmalloc (sizeof (struct forte_chip), GFP_KERNEL);
-	chip = forte;
-
-	if (chip == NULL) {
-		printk (KERN_WARNING PFX "Out of memory");
-		return -ENOMEM;
-	}
-
-	memset (chip, 0, sizeof (struct forte_chip));
-	chip->pci_dev = pci_dev;
-
-	mutex_init(&chip->open_mutex);
-	spin_lock_init (&chip->lock);
-	spin_lock_init (&chip->ac97_lock);
-
-	if (! request_region (pci_resource_start (pci_dev, 0),
-			      pci_resource_len (pci_dev, 0), DRIVER_NAME)) {
-		printk (KERN_WARNING PFX "Unable to reserve I/O space");
-		ret = -ENOMEM;
-		goto error;
-	}
-
-	chip->iobase = pci_resource_start (pci_dev, 0);
-	chip->irq = pci_dev->irq;
-
-	if (request_irq (chip->irq, forte_interrupt, IRQF_SHARED, DRIVER_NAME,
-			 chip)) {
-		printk (KERN_WARNING PFX "Unable to reserve IRQ");
-		ret = -EIO;
-		goto error;
-	}		
-	
-	pci_set_drvdata (pci_dev, chip);
-
-	printk (KERN_INFO PFX "FM801 chip found at 0x%04lX-0x%16llX IRQ %u\n",
-		chip->iobase, (unsigned long long)pci_resource_end (pci_dev, 0),
-		chip->irq);
-
-	/* Power it up */
-	if ((ret = forte_chip_init (chip)) == 0)
-		return 0;
-
- error:
-	if (chip->irq)
-		free_irq (chip->irq, chip);
-
-	if (chip->iobase) 
-		release_region (pci_resource_start (pci_dev, 0),
-				pci_resource_len (pci_dev, 0));
-		
-	kfree (chip);
-
-	return ret;
-}
-
-
-/**
- * forte_remove:
- * @pci_dev:	PCI device to unclaim
- *
- */
-
-static void 
-forte_remove (struct pci_dev *pci_dev)
-{
-	struct forte_chip *chip = pci_get_drvdata (pci_dev);
-
-	if (chip == NULL)
-		return;
-
-	/* Turn volume down to avoid popping */
-	outw (0x1f1f, chip->iobase + FORTE_PCM_VOL);
-	outw (0x1f1f, chip->iobase + FORTE_FM_VOL);
-	outw (0x1f1f, chip->iobase + FORTE_I2S_VOL);
-
-	forte_proc_remove();
-	free_irq (chip->irq, chip);
-	release_region (chip->iobase, pci_resource_len (pci_dev, 0));
-
-	unregister_sound_dsp (chip->dsp);
-	unregister_sound_mixer (chip->ac97->dev_mixer);
-	ac97_release_codec(chip->ac97);
-	kfree (chip);
-
-	printk (KERN_INFO PFX "driver released\n");
-}
-
-
-static struct pci_device_id forte_pci_ids[] = {
-	{ 0x1319, 0x0801, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, },
-	{ 0, }
-};
-
-
-static struct pci_driver forte_pci_driver = {
-	.name			= DRIVER_NAME,
-	.id_table		= forte_pci_ids,
-	.probe	 		= forte_probe,
-	.remove			= forte_remove,
-
-};
-
-
-/**
- * forte_init_module:
- *
- */
-
-static int __init
-forte_init_module (void)
-{
-	printk (KERN_INFO PFX DRIVER_VERSION "\n");
-
-	return pci_register_driver (&forte_pci_driver);
-}
-
-
-/**
- * forte_cleanup_module:
- *
- */
-
-static void __exit 
-forte_cleanup_module (void)
-{
-	pci_unregister_driver (&forte_pci_driver);
-}
-
-
-module_init(forte_init_module);
-module_exit(forte_cleanup_module);
-
-MODULE_AUTHOR("Martin K. Petersen <mkp@mkp.net>");
-MODULE_DESCRIPTION("ForteMedia FM801 OSS Driver");
-MODULE_LICENSE("GPL");
-MODULE_DEVICE_TABLE (pci, forte_pci_ids);