scheduled OSS driver removal

This patch contains the scheduled removal of OSS drivers whose config
options have been removed in 2.6.23.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

6 files changed, 0 insertions, 9230 deletions

diff --git a/sound/oss/Makefile b/sound/oss/Makefile
index f883c4b676a..1f86299fae4 100644
--- a/sound/oss/Makefile
+++ b/sound/oss/Makefile
@@ -6,7 +6,6 @@
 # Each configuration option enables a list of files.
 
 obj-$(CONFIG_SOUND_OSS)		+= sound.o
-obj-$(CONFIG_SOUND_CS4232)	+= cs4232.o ad1848.o 
 
 # Please leave it as is, cause the link order is significant !
 
@@ -16,7 +15,6 @@ obj-$(CONFIG_SOUND_AEDSP16)	+= aedsp16.o
 obj-$(CONFIG_SOUND_PSS)		+= pss.o ad1848.o mpu401.o
 obj-$(CONFIG_SOUND_TRIX)	+= trix.o ad1848.o sb_lib.o uart401.o
 obj-$(CONFIG_SOUND_SSCAPE)	+= sscape.o ad1848.o mpu401.o
-obj-$(CONFIG_SOUND_CS4232)	+= cs4232.o uart401.o
 obj-$(CONFIG_SOUND_MSS)		+= ad1848.o
 obj-$(CONFIG_SOUND_PAS)		+= pas2.o sb.o sb_lib.o uart401.o
 obj-$(CONFIG_SOUND_SB)		+= sb.o sb_lib.o uart401.o
@@ -27,19 +25,12 @@ obj-$(CONFIG_SOUND_YM3812)	+= opl3.o
 obj-$(CONFIG_SOUND_VMIDI)	+= v_midi.o
 obj-$(CONFIG_SOUND_VIDC)	+= vidc_mod.o
 obj-$(CONFIG_SOUND_WAVEARTIST)	+= waveartist.o
-
-obj-$(CONFIG_SOUND_VIA82CXXX)	+= via82cxxx_audio.o ac97_codec.o
-ifeq ($(CONFIG_MIDI_VIA82CXXX),y)
-  obj-$(CONFIG_SOUND_VIA82CXXX) += sound.o uart401.o
-endif
 obj-$(CONFIG_SOUND_MSNDCLAS)	+= msnd.o msnd_classic.o
 obj-$(CONFIG_SOUND_MSNDPIN)	+= msnd.o msnd_pinnacle.o
 obj-$(CONFIG_SOUND_VWSND)	+= vwsnd.o
-obj-$(CONFIG_SOUND_ICH)		+= i810_audio.o ac97_codec.o
 obj-$(CONFIG_SOUND_AU1550_AC97)	+= au1550_ac97.o ac97_codec.o
 obj-$(CONFIG_SOUND_TRIDENT)	+= trident.o ac97_codec.o
 obj-$(CONFIG_SOUND_BCM_CS4297A)	+= swarm_cs4297a.o
-obj-$(CONFIG_SOUND_BT878)	+= btaudio.o
 
 obj-$(CONFIG_SOUND_WM97XX)	+= ac97_plugin_wm97xx.o
 
diff --git a/sound/oss/ac97_codec.c b/sound/oss/ac97_codec.c
index fef56cac06c..87a67268076 100644
--- a/sound/oss/ac97_codec.c
+++ b/sound/oss/ac97_codec.c
@@ -189,42 +189,6 @@ static const struct {
 	{0x57454301, "Winbond 83971D",		&null_ops},
 };
 
-static const char *ac97_stereo_enhancements[] =
-{
-	/*   0 */ "No 3D Stereo Enhancement",
-	/*   1 */ "Analog Devices Phat Stereo",
-	/*   2 */ "Creative Stereo Enhancement",
-	/*   3 */ "National Semi 3D Stereo Enhancement",
-	/*   4 */ "YAMAHA Ymersion",
-	/*   5 */ "BBE 3D Stereo Enhancement",
-	/*   6 */ "Crystal Semi 3D Stereo Enhancement",
-	/*   7 */ "Qsound QXpander",
-	/*   8 */ "Spatializer 3D Stereo Enhancement",
-	/*   9 */ "SRS 3D Stereo Enhancement",
-	/*  10 */ "Platform Tech 3D Stereo Enhancement",
-	/*  11 */ "AKM 3D Audio",
-	/*  12 */ "Aureal Stereo Enhancement",
-	/*  13 */ "Aztech 3D Enhancement",
-	/*  14 */ "Binaura 3D Audio Enhancement",
-	/*  15 */ "ESS Technology Stereo Enhancement",
-	/*  16 */ "Harman International VMAx",
-	/*  17 */ "Nvidea 3D Stereo Enhancement",
-	/*  18 */ "Philips Incredible Sound",
-	/*  19 */ "Texas Instruments 3D Stereo Enhancement",
-	/*  20 */ "VLSI Technology 3D Stereo Enhancement",
-	/*  21 */ "TriTech 3D Stereo Enhancement",
-	/*  22 */ "Realtek 3D Stereo Enhancement",
-	/*  23 */ "Samsung 3D Stereo Enhancement",
-	/*  24 */ "Wolfson Microelectronics 3D Enhancement",
-	/*  25 */ "Delta Integration 3D Enhancement",
-	/*  26 */ "SigmaTel 3D Enhancement",
-	/*  27 */ "Winbond 3D Stereo Enhancement",
-	/*  28 */ "Rockwell 3D Stereo Enhancement",
-	/*  29 */ "Reserved 29",
-	/*  30 */ "Reserved 30",
-	/*  31 */ "Reserved 31"
-};
-
 /* this table has default mixer values for all OSS mixers. */
 static struct mixer_defaults {
 	int mixer;
@@ -614,83 +578,6 @@ static int ac97_mixer_ioctl(struct ac97_codec *codec, unsigned int cmd, unsigned
 	return -EINVAL;
 }
 
-/* entry point for /proc/driver/controller_vendor/ac97/%d */
-int ac97_read_proc (char *page, char **start, off_t off,
-		    int count, int *eof, void *data)
-{
-	int len = 0, cap, extid, val, id1, id2;
-	struct ac97_codec *codec;
-	int is_ac97_20 = 0;
-
-	if ((codec = data) == NULL)
-		return -ENODEV;
-
-	id1 = codec->codec_read(codec, AC97_VENDOR_ID1);
-	id2 = codec->codec_read(codec, AC97_VENDOR_ID2);
-	len += sprintf (page+len, "Vendor name      : %s\n", codec->name);
-	len += sprintf (page+len, "Vendor id        : %04X %04X\n", id1, id2);
-
-	extid = codec->codec_read(codec, AC97_EXTENDED_ID);
-	extid &= ~((1<<2)|(1<<4)|(1<<5)|(1<<10)|(1<<11)|(1<<12)|(1<<13));
-	len += sprintf (page+len, "AC97 Version     : %s\n",
-			extid ? "2.0 or later" : "1.0");
-	if (extid) is_ac97_20 = 1;
-
-	cap = codec->codec_read(codec, AC97_RESET);
-	len += sprintf (page+len, "Capabilities     :%s%s%s%s%s%s\n",
-			cap & 0x0001 ? " -dedicated MIC PCM IN channel-" : "",
-			cap & 0x0002 ? " -reserved1-" : "",
-			cap & 0x0004 ? " -bass & treble-" : "",
-			cap & 0x0008 ? " -simulated stereo-" : "",
-			cap & 0x0010 ? " -headphone out-" : "",
-			cap & 0x0020 ? " -loudness-" : "");
-	val = cap & 0x00c0;
-	len += sprintf (page+len, "DAC resolutions  :%s%s%s\n",
-			" -16-bit-",
-			val & 0x0040 ? " -18-bit-" : "",
-			val & 0x0080 ? " -20-bit-" : "");
-	val = cap & 0x0300;
-	len += sprintf (page+len, "ADC resolutions  :%s%s%s\n",
-			" -16-bit-",
-			val & 0x0100 ? " -18-bit-" : "",
-			val & 0x0200 ? " -20-bit-" : "");
-	len += sprintf (page+len, "3D enhancement   : %s\n",
-			ac97_stereo_enhancements[(cap >> 10) & 0x1f]);
-
-	val = codec->codec_read(codec, AC97_GENERAL_PURPOSE);
-	len += sprintf (page+len, "POP path         : %s 3D\n"
-			"Sim. stereo      : %s\n"
-			"3D enhancement   : %s\n"
-			"Loudness         : %s\n"
-			"Mono output      : %s\n"
-			"MIC select       : %s\n"
-			"ADC/DAC loopback : %s\n",
-			val & 0x8000 ? "post" : "pre",
-			val & 0x4000 ? "on" : "off",
-			val & 0x2000 ? "on" : "off",
-			val & 0x1000 ? "on" : "off",
-			val & 0x0200 ? "MIC" : "MIX",
-			val & 0x0100 ? "MIC2" : "MIC1",
-			val & 0x0080 ? "on" : "off");
-
-	extid = codec->codec_read(codec, AC97_EXTENDED_ID);
-	cap = extid;
-	len += sprintf (page+len, "Ext Capabilities :%s%s%s%s%s%s%s\n",
-			cap & 0x0001 ? " -var rate PCM audio-" : "",
-			cap & 0x0002 ? " -2x PCM audio out-" : "",
-			cap & 0x0008 ? " -var rate MIC in-" : "",
-			cap & 0x0040 ? " -PCM center DAC-" : "",
-			cap & 0x0080 ? " -PCM surround DAC-" : "",
-			cap & 0x0100 ? " -PCM LFE DAC-" : "",
-			cap & 0x0200 ? " -slot/DAC mappings-" : "");
-	if (is_ac97_20) {
-		len += sprintf (page+len, "Front DAC rate   : %d\n",
-				codec->codec_read(codec, AC97_PCM_FRONT_DAC_RATE));
-	}
-
-	return len;
-}
-
 /**
  *	codec_id	-  Turn id1/id2 into a PnP string
  *	@id1: Vendor ID1
@@ -1313,176 +1200,5 @@ static int pt101_init(struct ac97_codec * codec)
 #endif
 	
 
-EXPORT_SYMBOL(ac97_read_proc);
 EXPORT_SYMBOL(ac97_probe_codec);
 
-/*
- *	AC97 library support routines
- */	
- 
-/**
- *	ac97_set_dac_rate	-	set codec rate adaption
- *	@codec: ac97 code
- *	@rate: rate in hertz
- *
- *	Set the DAC rate. Assumes the codec supports VRA. The caller is
- *	expected to have checked this little detail.
- */
- 
-unsigned int ac97_set_dac_rate(struct ac97_codec *codec, unsigned int rate)
-{
-	unsigned int new_rate = rate;
-	u32 dacp;
-	u32 mast_vol, phone_vol, mono_vol, pcm_vol;
-	u32 mute_vol = 0x8000;	/* The mute volume? */
-
-	if(rate != codec->codec_read(codec, AC97_PCM_FRONT_DAC_RATE))
-	{
-		/* Mute several registers */
-		mast_vol = codec->codec_read(codec, AC97_MASTER_VOL_STEREO);
-		mono_vol = codec->codec_read(codec, AC97_MASTER_VOL_MONO);
-		phone_vol = codec->codec_read(codec, AC97_HEADPHONE_VOL);
-		pcm_vol = codec->codec_read(codec, AC97_PCMOUT_VOL);
-		codec->codec_write(codec, AC97_MASTER_VOL_STEREO, mute_vol);
-		codec->codec_write(codec, AC97_MASTER_VOL_MONO, mute_vol);
-		codec->codec_write(codec, AC97_HEADPHONE_VOL, mute_vol);
-		codec->codec_write(codec, AC97_PCMOUT_VOL, mute_vol);
-		
-		/* Power down the DAC */
-		dacp=codec->codec_read(codec, AC97_POWER_CONTROL);
-		codec->codec_write(codec, AC97_POWER_CONTROL, dacp|0x0200);
-		/* Load the rate and read the effective rate */
-		codec->codec_write(codec, AC97_PCM_FRONT_DAC_RATE, rate);
-		new_rate=codec->codec_read(codec, AC97_PCM_FRONT_DAC_RATE);
-		/* Power it back up */
-		codec->codec_write(codec, AC97_POWER_CONTROL, dacp);
-
-		/* Restore volumes */
-		codec->codec_write(codec, AC97_MASTER_VOL_STEREO, mast_vol);
-		codec->codec_write(codec, AC97_MASTER_VOL_MONO, mono_vol);
-		codec->codec_write(codec, AC97_HEADPHONE_VOL, phone_vol);
-		codec->codec_write(codec, AC97_PCMOUT_VOL, pcm_vol);
-	}
-	return new_rate;
-}
-
-EXPORT_SYMBOL(ac97_set_dac_rate);
-
-/**
- *	ac97_set_adc_rate	-	set codec rate adaption
- *	@codec: ac97 code
- *	@rate: rate in hertz
- *
- *	Set the ADC rate. Assumes the codec supports VRA. The caller is
- *	expected to have checked this little detail.
- */
-
-unsigned int ac97_set_adc_rate(struct ac97_codec *codec, unsigned int rate)
-{
-	unsigned int new_rate = rate;
-	u32 dacp;
-
-	if(rate != codec->codec_read(codec, AC97_PCM_LR_ADC_RATE))
-	{
-		/* Power down the ADC */
-		dacp=codec->codec_read(codec, AC97_POWER_CONTROL);
-		codec->codec_write(codec, AC97_POWER_CONTROL, dacp|0x0100);
-		/* Load the rate and read the effective rate */
-		codec->codec_write(codec, AC97_PCM_LR_ADC_RATE, rate);
-		new_rate=codec->codec_read(codec, AC97_PCM_LR_ADC_RATE);
-		/* Power it back up */
-		codec->codec_write(codec, AC97_POWER_CONTROL, dacp);
-	}
-	return new_rate;
-}
-
-EXPORT_SYMBOL(ac97_set_adc_rate);
-
-static int swap_headphone(int remove_master)
-{
-	struct list_head *l;
-	struct ac97_codec *c;
-	
-	if (remove_master) {
-		mutex_lock(&codec_mutex);
-		list_for_each(l, &codecs)
-		{
-			c = list_entry(l, struct ac97_codec, list);
-			if (supported_mixer(c, SOUND_MIXER_PHONEOUT))
-				c->supported_mixers &= ~SOUND_MASK_PHONEOUT;
-		}
-		mutex_unlock(&codec_mutex);
-	} else
-		ac97_hw[SOUND_MIXER_PHONEOUT].offset = AC97_MASTER_VOL_STEREO;
-
-	/* Scale values already match */
-	ac97_hw[SOUND_MIXER_VOLUME].offset = AC97_MASTER_VOL_MONO;
-	return 0;
-}
-
-static int apply_quirk(int quirk)
-{
-	switch (quirk) {
-	case AC97_TUNE_NONE:
-		return 0;
-	case AC97_TUNE_HP_ONLY:
-		return swap_headphone(1);
-	case AC97_TUNE_SWAP_HP:
-		return swap_headphone(0);
-	case AC97_TUNE_SWAP_SURROUND:
-		return -ENOSYS; /* not yet implemented */
-	case AC97_TUNE_AD_SHARING:
-		return -ENOSYS; /* not yet implemented */
-	case AC97_TUNE_ALC_JACK:
-		return -ENOSYS; /* not yet implemented */
-	}
-	return -EINVAL;
-}
-
-/**
- *	ac97_tune_hardware - tune up the hardware
- *	@pdev: pci_dev pointer
- *	@quirk: quirk list
- *	@override: explicit quirk value (overrides if not AC97_TUNE_DEFAULT)
- *
- *	Do some workaround for each pci device, such as renaming of the
- *	headphone (true line-out) control as "Master".
- *	The quirk-list must be terminated with a zero-filled entry.
- *
- *	Returns zero if successful, or a negative error code on failure.
- */
-
-int ac97_tune_hardware(struct pci_dev *pdev, struct ac97_quirk *quirk, int override)
-{
-	int result;
-
-	if (!quirk)
-		return -EINVAL;
-
-	if (override != AC97_TUNE_DEFAULT) {
-		result = apply_quirk(override);
-		if (result < 0)
-			printk(KERN_ERR "applying quirk type %d failed (%d)\n", override, result);
-		return result;
-	}
-
-	for (; quirk->vendor; quirk++) {
-		if (quirk->vendor != pdev->subsystem_vendor)
-			continue;
-		if ((! quirk->mask && quirk->device == pdev->subsystem_device) ||
-		    quirk->device == (quirk->mask & pdev->subsystem_device)) {
-#ifdef DEBUG
-			printk("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, pdev->subsystem_device);
-#endif
-			result = apply_quirk(quirk->type);
-			if (result < 0)
-				printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result);
-			return result;
-		}
-	}
-	return 0;
-}
-
-EXPORT_SYMBOL_GPL(ac97_tune_hardware);
-
-MODULE_LICENSE("GPL");
diff --git a/sound/oss/btaudio.c b/sound/oss/btaudio.c
deleted file mode 100644
index 4d5cf05b892..00000000000
--- a/sound/oss/btaudio.c
+++ /dev/null
@@ -1,1139 +0,0 @@
-/*
-    btaudio - bt878 audio dma driver for linux 2.4.x
-
-    (c) 2000-2002 Gerd Knorr <kraxel@bytesex.org>
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-*/
-
-#include <linux/module.h>
-#include <linux/errno.h>
-#include <linux/pci.h>
-#include <linux/sched.h>
-#include <linux/signal.h>
-#include <linux/types.h>
-#include <linux/interrupt.h>
-#include <linux/init.h>
-#include <linux/poll.h>
-#include <linux/sound.h>
-#include <linux/soundcard.h>
-#include <linux/slab.h>
-#include <linux/kdev_t.h>
-#include <linux/mutex.h>
-
-#include <asm/uaccess.h>
-#include <asm/io.h>
-
-
-/* mmio access */
-#define btwrite(dat,adr)    writel((dat), (bta->mmio+(adr)))
-#define btread(adr)         readl(bta->mmio+(adr))
-
-#define btand(dat,adr)      btwrite((dat) & btread(adr), adr)
-#define btor(dat,adr)       btwrite((dat) | btread(adr), adr)
-#define btaor(dat,mask,adr) btwrite((dat) | ((mask) & btread(adr)), adr)
-
-/* registers (shifted because bta->mmio is long) */
-#define REG_INT_STAT      (0x100 >> 2)
-#define REG_INT_MASK      (0x104 >> 2)
-#define REG_GPIO_DMA_CTL  (0x10c >> 2)
-#define REG_PACKET_LEN    (0x110 >> 2)
-#define REG_RISC_STRT_ADD (0x114 >> 2)
-#define REG_RISC_COUNT    (0x120 >> 2)
-
-/* IRQ bits - REG_INT_(STAT|MASK) */
-#define IRQ_SCERR         (1 << 19)
-#define IRQ_OCERR         (1 << 18)
-#define IRQ_PABORT        (1 << 17)
-#define IRQ_RIPERR        (1 << 16)
-#define IRQ_PPERR         (1 << 15)
-#define IRQ_FDSR          (1 << 14)
-#define IRQ_FTRGT         (1 << 13)
-#define IRQ_FBUS          (1 << 12)
-#define IRQ_RISCI         (1 << 11)
-#define IRQ_OFLOW         (1 <<  3)
-
-#define IRQ_BTAUDIO       (IRQ_SCERR | IRQ_OCERR | IRQ_PABORT | IRQ_RIPERR |\
-			   IRQ_PPERR | IRQ_FDSR  | IRQ_FTRGT  | IRQ_FBUS   |\
-			   IRQ_RISCI)
-
-/* REG_GPIO_DMA_CTL bits */
-#define DMA_CTL_A_PWRDN   (1 << 26)
-#define DMA_CTL_DA_SBR    (1 << 14)
-#define DMA_CTL_DA_ES2    (1 << 13)
-#define DMA_CTL_ACAP_EN   (1 <<  4)
-#define DMA_CTL_RISC_EN   (1 <<  1)
-#define DMA_CTL_FIFO_EN   (1 <<  0)
-
-/* RISC instructions */
-#define RISC_WRITE        (0x01 << 28)
-#define RISC_JUMP         (0x07 << 28)
-#define RISC_SYNC         (0x08 << 28)
-
-/* RISC bits */
-#define RISC_WR_SOL       (1 << 27)
-#define RISC_WR_EOL       (1 << 26)
-#define RISC_IRQ          (1 << 24)
-#define RISC_SYNC_RESYNC  (1 << 15)
-#define RISC_SYNC_FM1     0x06
-#define RISC_SYNC_VRO     0x0c
-
-#define HWBASE_AD (448000)
-
-/* -------------------------------------------------------------- */
-
-struct btaudio {
-	/* linked list */
-	struct btaudio *next;
-
-	/* device info */
-	int            dsp_digital;
-	int            dsp_analog;
-	int            mixer_dev;
-	struct pci_dev *pci;
-	unsigned int   irq;
-	unsigned long  mem;
-	unsigned long  __iomem *mmio;
-
-	/* locking */
-	int            users;
-	struct mutex lock;
-
-	/* risc instructions */
-	unsigned int   risc_size;
-	unsigned long  *risc_cpu;
-	dma_addr_t     risc_dma;
-
-	/* audio data */
-	unsigned int   buf_size;
-	unsigned char  *buf_cpu;
-	dma_addr_t     buf_dma;
-
-	/* buffer setup */
-	int line_bytes;
-	int line_count;
-	int block_bytes;
-	int block_count;
-
-	/* read fifo management */
-	int recording;
-	int dma_block;
-	int read_offset;
-	int read_count;
-	wait_queue_head_t readq;
-
-	/* settings */
-	int gain[3];
-	int source;
-	int bits;
-	int decimation;
-	int mixcount;
-	int sampleshift;
-	int channels;
-	int analog;
-	int rate;
-};
-
-struct cardinfo {
-	char *name;
-	int rate;
-};
-
-static struct btaudio *btaudios;
-static unsigned int debug;
-static unsigned int irq_debug;
-
-/* -------------------------------------------------------------- */
-
-#define BUF_DEFAULT 128*1024
-#define BUF_MIN         8192
-
-static int alloc_buffer(struct btaudio *bta)
-{
-	if (NULL == bta->buf_cpu) {
-		for (bta->buf_size = BUF_DEFAULT; bta->buf_size >= BUF_MIN;
-		     bta->buf_size = bta->buf_size >> 1) {
-			bta->buf_cpu = pci_alloc_consistent
-				(bta->pci, bta->buf_size, &bta->buf_dma);
-			if (NULL != bta->buf_cpu)
-				break;
-		}
-		if (NULL == bta->buf_cpu)
-			return -ENOMEM;
-		memset(bta->buf_cpu,0,bta->buf_size);
-	}
-	if (NULL == bta->risc_cpu) {
-		bta->risc_size = PAGE_SIZE;
-		bta->risc_cpu = pci_alloc_consistent
-			(bta->pci, bta->risc_size, &bta->risc_dma);
-		if (NULL == bta->risc_cpu) {
-			pci_free_consistent(bta->pci, bta->buf_size, bta->buf_cpu, bta->buf_dma);
-			bta->buf_cpu = NULL;
-			return -ENOMEM;
-		}
-	}
-	return 0;
-}
-
-static void free_buffer(struct btaudio *bta)
-{
-	if (NULL != bta->buf_cpu) {
-		pci_free_consistent(bta->pci, bta->buf_size,
-				    bta->buf_cpu, bta->buf_dma);
-		bta->buf_cpu = NULL;
-	}
-	if (NULL != bta->risc_cpu) {
-		pci_free_consistent(bta->pci, bta->risc_size,
-				    bta->risc_cpu, bta->risc_dma);
-		bta->risc_cpu = NULL;
-	}
-}
-
-static int make_risc(struct btaudio *bta)
-{
-	int rp, bp, line, block;
-	unsigned long risc;
-
-	bta->block_bytes = bta->buf_size >> 4;
-	bta->block_count = 1 << 4;
-	bta->line_bytes  = bta->block_bytes;
-	bta->line_count  = bta->block_count;
-	while (bta->line_bytes > 4095) {
-		bta->line_bytes >>= 1;
-		bta->line_count <<= 1;
-	}
-	if (bta->line_count > 255)
-		return -EINVAL;
-	if (debug)
-		printk(KERN_DEBUG
-		       "btaudio: bufsize=%d - bs=%d bc=%d - ls=%d, lc=%d\n",
-		       bta->buf_size,bta->block_bytes,bta->block_count,
-		       bta->line_bytes,bta->line_count);
-        rp = 0; bp = 0;
-	block = 0;
-	bta->risc_cpu[rp++] = cpu_to_le32(RISC_SYNC|RISC_SYNC_FM1);
-	bta->risc_cpu[rp++] = cpu_to_le32(0);
-	for (line = 0; line < bta->line_count; line++) {
-		risc  = RISC_WRITE | RISC_WR_SOL | RISC_WR_EOL;
-		risc |= bta->line_bytes;
-		if (0 == (bp & (bta->block_bytes-1))) {
-			risc |= RISC_IRQ;
-			risc |= (block  & 0x0f) << 16;
-			risc |= (~block & 0x0f) << 20;
-			block++;
-		}
-		bta->risc_cpu[rp++] = cpu_to_le32(risc);
-		bta->risc_cpu[rp++] = cpu_to_le32(bta->buf_dma + bp);
-		bp += bta->line_bytes;
-	}
-	bta->risc_cpu[rp++] = cpu_to_le32(RISC_SYNC|RISC_SYNC_VRO);
-	bta->risc_cpu[rp++] = cpu_to_le32(0);
-	bta->risc_cpu[rp++] = cpu_to_le32(RISC_JUMP); 
-	bta->risc_cpu[rp++] = cpu_to_le32(bta->risc_dma);
-	return 0;
-}
-
-static int start_recording(struct btaudio *bta)
-{
-	int ret;
-
-	if (0 != (ret = alloc_buffer(bta)))
-		return ret;
-	if (0 != (ret = make_risc(bta)))
-		return ret;
-
-	btwrite(bta->risc_dma, REG_RISC_STRT_ADD);
-	btwrite((bta->line_count << 16) | bta->line_bytes,
-		REG_PACKET_LEN);
-	btwrite(IRQ_BTAUDIO, REG_INT_MASK);
-	if (bta->analog) {
-		btwrite(DMA_CTL_ACAP_EN |
-			DMA_CTL_RISC_EN |
-			DMA_CTL_FIFO_EN |
-			DMA_CTL_DA_ES2  |
-			((bta->bits == 8) ? DMA_CTL_DA_SBR : 0) |
-			(bta->gain[bta->source] << 28) |
-			(bta->source            << 24) |
-			(bta->decimation        <<  8),
-			REG_GPIO_DMA_CTL);
-	} else {
-		btwrite(DMA_CTL_ACAP_EN |
-			DMA_CTL_RISC_EN |
-			DMA_CTL_FIFO_EN |
-			DMA_CTL_DA_ES2  |
-			DMA_CTL_A_PWRDN |
-			(1 << 6)   |
-			((bta->bits == 8) ? DMA_CTL_DA_SBR : 0) |
-			(bta->gain[bta->source] << 28) |
-			(bta->source            << 24) |
-			(bta->decimation        <<  8),
-			REG_GPIO_DMA_CTL);
-	}
-	bta->dma_block = 0;
-	bta->read_offset = 0;
-	bta->read_count = 0;
-	bta->recording = 1;
-	if (debug)
-		printk(KERN_DEBUG "btaudio: recording started\n");
-	return 0;
-}
-
-static void stop_recording(struct btaudio *bta)
-{
-        btand(~15, REG_GPIO_DMA_CTL);
-	bta->recording = 0;
-	if (debug)
-		printk(KERN_DEBUG "btaudio: recording stopped\n");
-}
-
-
-/* -------------------------------------------------------------- */
-
-static int btaudio_mixer_open(struct inode *inode, struct file *file)
-{
-	int minor = iminor(inode);
-	struct btaudio *bta;
-
-	for (bta = btaudios; bta != NULL; bta = bta->next)
-		if (bta->mixer_dev == minor)
-			break;
-	if (NULL == bta)
-		return -ENODEV;
-
-	if (debug)
-		printk("btaudio: open mixer [%d]\n",minor);
-	file->private_data = bta;
-	return 0;
-}
-
-static int btaudio_mixer_release(struct inode *inode, struct file *file)
-{
-	return 0;
-}
-
-static int btaudio_mixer_ioctl(struct inode *inode, struct file *file,
-			       unsigned int cmd, unsigned long arg)
-{
-	struct btaudio *bta = file->private_data;
-	int ret,val=0,i=0;
-	void __user *argp = (void __user *)arg;
-
-	if (cmd == SOUND_MIXER_INFO) {
-		mixer_info info;
-		memset(&info,0,sizeof(info));
-                strlcpy(info.id,"bt878",sizeof(info.id));
-                strlcpy(info.name,"Brooktree Bt878 audio",sizeof(info.name));
-                info.modify_counter = bta->mixcount;
-                if (copy_to_user(argp, &info, sizeof(info)))
-                        return -EFAULT;
-		return 0;
-	}
-	if (cmd == SOUND_OLD_MIXER_INFO) {
-		_old_mixer_info info;
-		memset(&info,0,sizeof(info));
-                strlcpy(info.id, "bt878", sizeof(info.id));
-                strlcpy(info.name,"Brooktree Bt878 audio",sizeof(info.name));
-                if (copy_to_user(argp, &info, sizeof(info)))
-                        return -EFAULT;
-		return 0;
-	}
-	if (cmd == OSS_GETVERSION)
-		return put_user(SOUND_VERSION, (int __user *)argp);
-
-	/* read */
-	if (_SIOC_DIR(cmd) & _SIOC_WRITE)
-		if (get_user(val, (int __user *)argp))
-			return -EFAULT;
-
-	switch (cmd) {
-	case MIXER_READ(SOUND_MIXER_CAPS):
-		ret = SOUND_CAP_EXCL_INPUT;
-		break;
-	case MIXER_READ(SOUND_MIXER_STEREODEVS):
-		ret = 0;
-		break;
-	case MIXER_READ(SOUND_MIXER_RECMASK):
-	case MIXER_READ(SOUND_MIXER_DEVMASK):
-		ret = SOUND_MASK_LINE1|SOUND_MASK_LINE2|SOUND_MASK_LINE3;
-		break;
-
-	case MIXER_WRITE(SOUND_MIXER_RECSRC):
-		if (val & SOUND_MASK_LINE1 && bta->source != 0)
-			bta->source = 0;
-		else if (val & SOUND_MASK_LINE2 && bta->source != 1)
-			bta->source = 1;
-		else if (val & SOUND_MASK_LINE3 && bta->source != 2)
-			bta->source = 2;
-		btaor((bta->gain[bta->source] << 28) |
-		      (bta->source            << 24),
-		      0x0cffffff, REG_GPIO_DMA_CTL);
-	case MIXER_READ(SOUND_MIXER_RECSRC):
-		switch (bta->source) {
-		case 0:  ret = SOUND_MASK_LINE1; break;
-		case 1:  ret = SOUND_MASK_LINE2; break;
-		case 2:  ret = SOUND_MASK_LINE3; break;
-		default: ret = 0;
-		}
-		break;
-
-	case MIXER_WRITE(SOUND_MIXER_LINE1):
-	case MIXER_WRITE(SOUND_MIXER_LINE2):
-	case MIXER_WRITE(SOUND_MIXER_LINE3):
-		if (MIXER_WRITE(SOUND_MIXER_LINE1) == cmd)
-			i = 0;
-		if (MIXER_WRITE(SOUND_MIXER_LINE2) == cmd)
-			i = 1;
-		if (MIXER_WRITE(SOUND_MIXER_LINE3) == cmd)
-			i = 2;
-		bta->gain[i] = (val & 0xff) * 15 / 100;
-		if (bta->gain[i] > 15) bta->gain[i] = 15;
-		if (bta->gain[i] <  0) bta->gain[i] =  0;
-		if (i == bta->source)
-			btaor((bta->gain[bta->source]<<28),
-			      0x0fffffff, REG_GPIO_DMA_CTL);
-		ret  = bta->gain[i] * 100 / 15;
-		ret |= ret << 8;
-		break;
-
-	case MIXER_READ(SOUND_MIXER_LINE1):
-	case MIXER_READ(SOUND_MIXER_LINE2):
-	case MIXER_READ(SOUND_MIXER_LINE3):
-		if (MIXER_READ(SOUND_MIXER_LINE1) == cmd)
-			i = 0;
-		if (MIXER_READ(SOUND_MIXER_LINE2) == cmd)
-			i = 1;
-		if (MIXER_READ(SOUND_MIXER_LINE3) == cmd)
-			i = 2;
-		ret  = bta->gain[i] * 100 / 15;
-		ret |= ret << 8;
-		break;
-
-	default:
-		return -EINVAL;
-	}
-	if (put_user(ret, (int __user *)argp))
-		return -EFAULT;
-	return 0;
-}
-
-static const struct file_operations btaudio_mixer_fops = {
-	.owner		= THIS_MODULE,
-	.llseek		= no_llseek,
-	.open		= btaudio_mixer_open,
-	.release	= btaudio_mixer_release,
-	.ioctl		= btaudio_mixer_ioctl,
-};
-
-/* -------------------------------------------------------------- */
-
-static int btaudio_dsp_open(struct inode *inode, struct file *file,
-			    struct btaudio *bta, int analog)
-{
-	mutex_lock(&bta->lock);
-	if (bta->users)
-		goto busy;
-	bta->users++;
-	file->private_data = bta;
-
-	bta->analog = analog;
-	bta->dma_block = 0;
-	bta->read_offset = 0;
-	bta->read_count = 0;
-	bta->sampleshift = 0;
-
-	mutex_unlock(&bta->lock);
-	return 0;
-
- busy:
-	mutex_unlock(&bta->lock);
-	return -EBUSY;
-}
-
-static int btaudio_dsp_open_digital(struct inode *inode, struct file *file)
-{
-	int minor = iminor(inode);
-	struct btaudio *bta;
-
-	for (bta = btaudios; bta != NULL; bta = bta->next)
-		if (bta->dsp_digital == minor)
-			break;
-	if (NULL == bta)
-		return -ENODEV;
-	
-	if (debug)
-		printk("btaudio: open digital dsp [%d]\n",minor);
-	return btaudio_dsp_open(inode,file,bta,0);
-}
-
-static int btaudio_dsp_open_analog(struct inode *inode, struct file *file)
-{
-	int minor = iminor(inode);
-	struct btaudio *bta;
-
-	for (bta = btaudios; bta != NULL; bta = bta->next)
-		if (bta->dsp_analog == minor)
-			break;
-	if (NULL == bta)
-		return -ENODEV;
-
-	if (debug)
-		printk("btaudio: open analog dsp [%d]\n",minor);
-	return btaudio_dsp_open(inode,file,bta,1);
-}
-
-static int btaudio_dsp_release(struct inode *inode, struct file *file)
-{
-	struct btaudio *bta = file->private_data;
-
-	mutex_lock(&bta->lock);
-	if (bta->recording)
-		stop_recording(bta);
-	bta->users--;
-	mutex_unlock(&bta->lock);
-	return 0;
-}
-
-static ssize_t btaudio_dsp_read(struct file *file, char __user *buffer,
-				size_t swcount, loff_t *ppos)
-{
-	struct btaudio *bta = file->private_data;
-	int hwcount = swcount << bta->sampleshift;
-	int nsrc, ndst, err, ret = 0;
-	DECLARE_WAITQUEUE(wait, current);
-
-	add_wait_queue(&bta->readq, &wait);
-	mutex_lock(&bta->lock);
-	while (swcount > 0) {
-		if (0 == bta->read_count) {
-			if (!bta->recording) {
-				if (0 != (err = start_recording(bta))) {
-					if (0 == ret)
-						ret = err;
-					break;
-				}
-			}
-			if (file->f_flags & O_NONBLOCK) {
-				if (0 == ret)
-					ret = -EAGAIN;
-				break;
-			}
-			mutex_unlock(&bta->lock);
-			current->state = TASK_INTERRUPTIBLE;
-			schedule();
-			mutex_lock(&bta->lock);
-			if(signal_pending(current)) {
-				if (0 == ret)
-					ret = -EINTR;
-				break;
-			}
-		}
-		nsrc = (bta->read_count < hwcount) ? bta->read_count : hwcount;
-		if (nsrc > bta->buf_size - bta->read_offset)
-			nsrc = bta->buf_size - bta->read_offset;
-		ndst = nsrc >> bta->sampleshift;
-		
-		if ((bta->analog  && 0 == bta->sampleshift) ||
-		    (!bta->analog && 2 == bta->channels)) {
-			/* just copy */
-			if (copy_to_user(buffer + ret, bta->buf_cpu + bta->read_offset, nsrc)) {
-				if (0 == ret)
-					ret = -EFAULT;
-				break;
-			}
-
-		} else if (!bta->analog) {
-			/* stereo => mono (digital audio) */
-			__s16 *src = (__s16*)(bta->buf_cpu + bta->read_offset);
-			__s16 __user *dst = (__s16 __user *)(buffer + ret);
-			__s16 avg;
-			int n = ndst>>1;
-			if (!access_ok(VERIFY_WRITE, dst, ndst)) {
-				if (0 == ret)
-					ret = -EFAULT;
-				break;
-			}
-			for (; n; n--, dst++) {
-				avg  = (__s16)le16_to_cpu(*src) / 2; src++;
-				avg += (__s16)le16_to_cpu(*src) / 2; src++;
-				__put_user(cpu_to_le16(avg),dst);
-			}
-
-		} else if (8 == bta->bits) {
-			/* copy + byte downsampling (audio A/D) */
-			__u8 *src = bta->buf_cpu + bta->read_offset;
-			__u8 __user *dst = buffer + ret;
-			int n = ndst;
-			if (!access_ok(VERIFY_WRITE, dst, ndst)) {
-				if (0 == ret)
-					ret = -EFAULT;
-				break;
-			}
-			for (; n; n--, src += (1 << bta->sampleshift), dst++)
-				__put_user(*src, dst);
-
-		} else {
-			/* copy + word downsampling (audio A/D) */
-			__u16 *src = (__u16*)(bta->buf_cpu + bta->read_offset);
-			__u16 __user *dst = (__u16 __user *)(buffer + ret);
-			int n = ndst>>1;
-			if (!access_ok(VERIFY_WRITE,dst,ndst)) {
-				if (0 == ret)
-					ret = -EFAULT;
-				break;
-			}
-			for (; n; n--, src += (1 << bta->sampleshift), dst++)
-				__put_user(*src, dst);
-		}
-
-		ret     += ndst;
-		swcount -= ndst;
-		hwcount -= nsrc;
-		bta->read_count  -= nsrc;
-		bta->read_offset += nsrc;
-		if (bta->read_offset == bta->buf_size)
-			bta->read_offset = 0;
-	}
-	mutex_unlock(&bta->lock);
-	remove_wait_queue(&bta->readq, &wait);
-	current->state = TASK_RUNNING;
-	return ret;
-}
-
-static ssize_t btaudio_dsp_write(struct file *file, const char __user *buffer,
-				 size_t count, loff_t *ppos)
-{
-	return -EINVAL;
-}
-
-static int btaudio_dsp_ioctl(struct inode *inode, struct file *file,
-			     unsigned int cmd, unsigned long arg)
-{
-	struct btaudio *bta = file->private_data;
-	int s, i, ret, val = 0;
-	void __user *argp = (void __user *)arg;
-	int __user *p = argp;
-	
-        switch (cmd) {
-        case OSS_GETVERSION:
-                return put_user(SOUND_VERSION, p);
-        case SNDCTL_DSP_GETCAPS:
-		return 0;
-
-        case SNDCTL_DSP_SPEED:
-		if (get_user(val, p))
-			return -EFAULT;
-		if (bta->analog) {
-			for (s = 0; s < 16; s++)
-				if (val << s >= HWBASE_AD*4/15)
-					break;
-			for (i = 15; i >= 5; i--)
-				if (val << s <= HWBASE_AD*4/i)
-					break;
-			bta->sampleshift = s;
-			bta->decimation  = i;
-			if (debug)
-				printk(KERN_DEBUG "btaudio: rate: req=%d  "
-				       "dec=%d shift=%d hwrate=%d swrate=%d\n",
-				       val,i,s,(HWBASE_AD*4/i),(HWBASE_AD*4/i)>>s);
-		} else {
-			bta->sampleshift = (bta->channels == 2) ? 0 : 1;
-			bta->decimation  = 0;
-		}
-		if (bta->recording) {
-			mutex_lock(&bta->lock);
-			stop_recording(bta);
-			start_recording(bta);
-			mutex_unlock(&bta->lock);
-		}
-		/* fall through */
-        case SOUND_PCM_READ_RATE:
-		if (bta->analog) {
-			return put_user(HWBASE_AD*4/bta->decimation>>bta->sampleshift, p);
-		} else {
-			return put_user(bta->rate, p);
-		}
-
-        case SNDCTL_DSP_STEREO:
-		if (!bta->analog) {
-			if (get_user(val, p))
-				return -EFAULT;
-			bta->channels    = (val > 0) ? 2 : 1;
-			bta->sampleshift = (bta->channels == 2) ? 0 : 1;
-			if (debug)
-				printk(KERN_INFO
-				       "btaudio: stereo=%d channels=%d\n",
-				       val,bta->channels);
-		} else {
-			if (val == 1)
-				return -EFAULT;
-			else {
-				bta->channels = 1;
-				if (debug)
-					printk(KERN_INFO
-					       "btaudio: stereo=0 channels=1\n");
-			}
-		}
-		return put_user((bta->channels)-1, p);
-
-        case SNDCTL_DSP_CHANNELS:
-		if (!bta->analog) {
-			if (get_user(val, p))
-				return -EFAULT;
-			bta->channels    = (val > 1) ? 2 : 1;
-			bta->sampleshift = (bta->channels == 2) ? 0 : 1;
-			if (debug)
-				printk(KERN_DEBUG
-				       "btaudio: val=%d channels=%d\n",
-				       val,bta->channels);
-		}
-		/* fall through */
-        case SOUND_PCM_READ_CHANNELS:
-		return put_user(bta->channels, p);
-		
-        case SNDCTL_DSP_GETFMTS: /* Returns a mask */
-		if (bta->analog)
-			return put_user(AFMT_S16_LE|AFMT_S8, p);
-		else
-			return put_user(AFMT_S16_LE, p);
-
-        case SNDCTL_DSP_SETFMT: /* Selects ONE fmt*/
-		if (get_user(val, p))
-			return -EFAULT;
-                if (val != AFMT_QUERY) {
-			if (bta->analog)
-				bta->bits = (val == AFMT_S8) ? 8 : 16;
-			else
-				bta->bits = 16;
-			if (bta->recording) {
-				mutex_lock(&bta->lock);
-				stop_recording(bta);
-				start_recording(bta);</