2006-02-20 Thomas Schwinge <tschwinge@gnu.org>

Remove unused and unsupported code.  Consult the file
	`DEVELOPMENT' for details.  Partly based on suggestions by
	Gianluca Guida <glguida@gmail.com>.

	* chips/atm.c: Remove file.
	* chips/atmreg.h: Likewise.
	* chips/audio.c: Likewise.
	* chips/audio_config.h: Likewise.
	* chips/audio_defs.h: Likewise.
	* chips/bt431.c: Likewise.
	* chips/bt431.h: Likewise.
	* chips/bt455.c: Likewise.
	* chips/bt455.h: Likewise.
	* chips/bt459.c: Likewise.
	* chips/bt459.h: Likewise.
	* chips/bt478.c: Likewise.
	* chips/bt478.h: Likewise.
	* chips/build_font.c: Likewise.
	* chips/cfb_hdw.c: Likewise.
	* chips/cfb_misc.c: Likewise.
	* chips/dc503.c: Likewise.
	* chips/dc503.h: Likewise.
	* chips/dtop.h: Likewise.
	* chips/dtop_handlers.c: Likewise.
	* chips/dtop_hdw.c: Likewise.
	* chips/dz_7085.h: Likewise.
	* chips/dz_defs.h: Likewise.
	* chips/dz_hdw.c: Likewise.
	* chips/eccreg.h: Likewise.
	* chips/fb_hdw.c: Likewise.
	* chips/fb_misc.c: Likewise.
	* chips/fdc_82077.h: Likewise.
	* chips/fdc_82077_hdw.c: Likewise.
	* chips/frc.c: Likewise.
	* chips/ims332.c: Likewise.
	* chips/ims332.h: Likewise.
	* chips/isdn_79c30.h: Likewise.
	* chips/isdn_79c30_hdw.c: Likewise.
	* chips/kernel_font.c: Likewise.
	* chips/kernel_font.data: Likewise.
	* chips/lance.c: Likewise.
	* chips/lance.h: Likewise.
	* chips/lance_mapped.c: Likewise.
	* chips/lk201.c: Likewise.
	* chips/lk201.h: Likewise.
	* chips/mc_clock.c: Likewise.
	* chips/mc_clock.h: Likewise.
	* chips/mouse.c: Likewise.
	* chips/nc.c: Likewise.
	* chips/nc.h: Likewise.
	* chips/nw.h: Likewise.
	* chips/nw_mk.c: Likewise.
	* chips/nw_mk.h: Likewise.
	* chips/pm_defs.h: Likewise.
	* chips/pm_hdw.c: Likewise.
	* chips/pm_misc.c: Likewise.
	* chips/scc_8530.h: Likewise.
	* chips/scc_8530_hdw.c: Likewise.
	* chips/screen.c: Likewise.
	* chips/screen.h: Likewise.
	* chips/screen_defs.h: Likewise.
	* chips/screen_switch.c: Likewise.
	* chips/screen_switch.h: Likewise.
	* chips/serial_console.c: Likewise.
	* chips/serial_defs.h: Likewise.
	* chips/sfb_hdw.c: Likewise.
	* chips/sfb_misc.c: Likewise.
	* chips/spans.c: Likewise.
	* chips/spans.h: Likewise.
	* chips/tca100.c: Likewise.
	* chips/tca100.h: Likewise.
	* chips/tca100_if.c: Likewise.
	* chips/tca100_if.h: Likewise.
	* chips/vs42x_rb.h: Likewise.
	* chips/xcfb_hdw.c: Likewise.
	* chips/xcfb_misc.c: Likewise.
	* chips/xcfb_monitor.h: Likewise.
	* Makefile.in (chips-files): Only contain `busses.c' and `busses.h'.
	* kern/syscall_sw.c: Don't include <chips/nw_mk.h> anymore.

1 files changed, 0 insertions, 602 deletions

diff --git a/chips/isdn_79c30_hdw.c b/chips/isdn_79c30_hdw.c
deleted file mode 100644
index 769d1cb..0000000
--- a/chips/isdn_79c30_hdw.c
+++ /dev/null
@@ -1,602 +0,0 @@
-/* 
- * Mach Operating System
- * Copyright (c) 1992 Carnegie Mellon University
- * All Rights Reserved.
- * 
- * Permission to use, copy, modify and distribute this software and its
- * documentation is hereby granted, provided that both the copyright
- * notice and this permission notice appear in all copies of the
- * software, derivative works or modified versions, and any portions
- * thereof, and that both notices appear in supporting documentation.
- * 
- * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
- * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
- * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
- * 
- * Carnegie Mellon requests users of this software to return to
- * 
- *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
- *  School of Computer Science
- *  Carnegie Mellon University
- *  Pittsburgh PA 15213-3890
- * 
- * any improvements or extensions that they make and grant Carnegie Mellon
- * the rights to redistribute these changes.
- */
-/*
- *	File: isdn_79c30_hdw.c
- * 	Author: Alessandro Forin, Carnegie Mellon University
- *	Date:	1/92
- *
- *	Driver for the AMD 79c30 ISDN (Integrated Speech and
- *	Data Network) controller chip.
- */
-
-/*-
- * Copyright (c) 1991, 1992 The Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by the Computer Systems
- * 	Engineering Group at Lawrence Berkeley Laboratory.
- * 4. The name of the Laboratory may not be used to endorse or promote 
- *    products derived from this software without specific prior written 
- *    permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <isdn.h>
-#if	NISDN > 0
-
-#include <platforms.h>
-
-#include <mach/std_types.h>
-#include <machine/machspl.h>
-#include <sys/ioctl.h>	/* for Sun compat */
-#include <chips/busses.h>
-
-#include <device/device_types.h>
-#include <device/io_req.h>
-#include <device/audio_status.h>
-#include <chips/audio_defs.h>
-
-#include <chips/isdn_79c30.h>
-
-#include <chips/audio_config.h>		/* machdep config */
-
-#define private static
-
-/*
- * Autoconf info
- */
-private int isdn_probe (vm_offset_t reg, struct bus_ctlr *ui);
-private void isdn_attach ( struct bus_device *ui);
-
-private vm_offset_t isdn_std[NISDN] = { 0 };
-private struct bus_device *isdn_info[NISDN];
-
-struct bus_driver isdn_driver =
-       { isdn_probe, 0, isdn_attach, 0, isdn_std, "isdn", isdn_info, };
-
-
-/*
- * Externally visible functions and data
- */
-int	isdn_intr();
-
-
-/*
- * Status bookeeping and globals
- */
-typedef struct {
-	amd79c30_padded_regs_t *regs;
-	void		*audio_status;	/* for upcalls */
-	struct mapreg	sc_map;		/* MAP status */
-	/*
-	 * keep track of levels so we don't have to convert back from
-	 * MAP gain constants
-	 */
-	int	sc_rlevel;		/* record level */
-	int	sc_plevel;		/* play level */
-	int	sc_mlevel;		/* monitor level */
-} isdn_softc_t;
-
-isdn_softc_t	isdn_softc_data[NISDN];
-isdn_softc_t	*isdn_softc[NISDN];
-
-private int audio_default_level = 150;
-
-
-/*
- * Forward decls
- */
-audio_switch_t isdn_ops;
-
-private void isdn_init( isdn_softc_t *sc );
-
-private void isdn_set_mmr2(
-		register amd79c30_padded_regs_t	*regs,
-		register int			mmr2);
-
-private void isdn_setgains(
-		isdn_softc_t	*sc,
-		int		pgain,
-		int		rgain,
-		int		mgain);
-
-/*
- * Probe chip to see if it is there
- */
-private isdn_probe(
-	vm_offset_t	reg,
-	struct bus_ctlr *ui)
-{
-	isdn_softc_t	*sc = &isdn_softc_data[ui->unit];
-
-	isdn_softc[ui->unit] = sc;
-	sc->regs = (amd79c30_padded_regs_t *)reg;
-
-	return 1;
-}
-
-/*
- * Attach device to chip-indep driver(s)
- */
-private void
-isdn_attach(
-	struct bus_device *ui)
-{
-	register isdn_softc_t	*sc = isdn_softc[ui->unit];
-	register amd79c30_padded_regs_t *regs = sc->regs;
-
-	/* disable interrupts */
-	write_reg(regs->cr, AMDR_INIT);
-	write_reg(regs->dr, AMD_INIT_PMS_ACTIVE | AMD_INIT_INT_DISABLE);
-
-	/*
-	 * Initialize the mux unit.  We use MCR3 to route audio (MAP)
-	 * through channel Bb.  MCR1 and MCR2 are unused.
-	 * Setting the INT enable bit in MCR4 will generate an interrupt
-	 * on each converted audio sample.
-	 */
-	write_reg(regs->cr, AMDR_MUX_1_4);
- 	write_reg(regs->dr, 0);
-	write_reg(regs->dr, 0);
-	write_reg(regs->dr, (AMD_MCRCHAN_BB << 4) | AMD_MCRCHAN_BA);
-	write_reg(regs->dr, AMD_MCR4_INT_ENABLE);
-
-	printf(" AMD 79C30A/79C32A");
-
-	audio_attach( sc, &isdn_ops, &sc->audio_status );
-}
-
-/*
- * Chip re-initialization
- */
-private void
-isdn_init(
-	isdn_softc_t	*sc)
-{
-	register amd79c30_padded_regs_t *regs;
-	
-	bzero((char *)&sc->sc_map, sizeof sc->sc_map);
-	/* default to speaker */
-	sc->sc_map.mr_mmr2 = AMD_MMR2_AINB | AMD_MMR2_LS;
-	
-	/* enable interrupts and set parameters established above */
-	regs = sc->regs;
-	isdn_set_mmr2 (regs, sc->sc_map.mr_mmr2);
-	isdn_setgains (sc, audio_default_level, audio_default_level, 0);
-	write_reg(regs->cr, AMDR_INIT);
-	write_reg(regs->dr, AMD_INIT_PMS_ACTIVE);
-}
-
-/*
- * Chip shutdown
- */
-private void
-isdn_close(
-	isdn_softc_t	*sc)
-{
-	register amd79c30_padded_regs_t *regs;
-
-	regs = sc->regs;
-	write_reg(regs->cr, AMDR_INIT);
-	write_reg(regs->dr, AMD_INIT_PMS_ACTIVE | AMD_INIT_INT_DISABLE);
-}
-
-/*
- * Audio port selection
- */
-private void
-isdn_setport(
-	isdn_softc_t	*sc,
-	int		port)
-{
-	if (port == AUDIO_SPEAKER) {
-		sc->sc_map.mr_mmr2 |= AMD_MMR2_LS;
-		isdn_set_mmr2(sc->regs, sc->sc_map.mr_mmr2);
-	} else if (port == AUDIO_HEADPHONE) {
-		sc->sc_map.mr_mmr2 &=~ AMD_MMR2_LS;
-		isdn_set_mmr2(sc->regs, sc->sc_map.mr_mmr2);
-	}
-}
-
-private int
-isdn_getport(
-	isdn_softc_t	*sc)
-{
-	return (sc->sc_map.mr_mmr2 & AMD_MMR2_LS) ?
-		AUDIO_SPEAKER : AUDIO_HEADPHONE;
-}
-
-/*
- * Volume control
- */
-private void
-isdn_setgains(
-	isdn_softc_t	*sc,
-	int		pgain,
-	int		rgain,
-	int		mgain)
-{
-	private void isdn_set_pgain(), isdn_set_rgain(), isdn_set_mgain();
-
-	if (pgain != ~0)
-		isdn_set_pgain(sc, pgain);
-	if (rgain != ~0)
-		isdn_set_rgain(sc, rgain);
-	if (mgain != ~0)
-		isdn_set_mgain(sc, mgain);
-
-}
-
-private void
-isdn_getgains(
-	isdn_softc_t	*sc,
-	int		*pgain,
-	int		*rgain,
-	int		*mgain)
-{
-	*mgain = sc->sc_mlevel;
-	*rgain = sc->sc_rlevel;
-	*pgain = sc->sc_plevel;
-}
-
-
-/*
- * User control over MAP processor
- */
-private io_return_t
-isdn_setstate(
-	isdn_softc_t	*sc,
-	dev_flavor_t	flavor,
-	register struct mapreg *map,
-	natural_t	n_ints)
-{
-	register amd79c30_padded_regs_t *regs = sc->regs;
-	register int i, v;
-	spl_t s;
-
-	/* Sun compat */
-	if (flavor == AUDIOSETREG) {
-		register struct audio_ioctl *a = (struct audio_ioctl *)map;
-		s = splaudio();
-		write_reg(regs->cr, (a->control >> 8) & 0xff);
-		for (i = 0; i < (a->control & 0xff); i++) {
-		    write_reg(regs->dr, a->data[i]);
-		}
-		splx(s);
-		return D_SUCCESS;
-	}
-
-	if (flavor != AUDIO_SETMAP)
-		return D_INVALID_OPERATION;
-
-	if ((n_ints * sizeof(int)) < sizeof(*map))
-		return D_INVALID_SIZE;
-
-	bcopy(map, &sc->sc_map, sizeof(sc->sc_map));
-	sc->sc_map.mr_mmr2 &= 0x7f;
-
-	s = splaudio();
-	write_reg(regs->cr, AMDR_MAP_1_10);
-	for (i = 0; i < 8; i++) {
-		v = map->mr_x[i];
-		WAMD16(regs, v);
-	}
-	for (i = 0; i < 8; ++i) {
-		v = map->mr_r[i];
-		WAMD16(regs, v);
-	}
-	v = map->mr_gx; WAMD16(regs, v);
-	v = map->mr_gr; WAMD16(regs, v);
-	v = map->mr_ger; WAMD16(regs, v);
-	v = map->mr_stgr; WAMD16(regs, v);
-	v = map->mr_ftgr; WAMD16(regs, v);
-	v = map->mr_atgr; WAMD16(regs, v);
-	write_reg(regs->dr, map->mr_mmr1);
-	write_reg(regs->dr, map->mr_mmr2);
-	splx(s);
-	return D_SUCCESS;
-}
-
-private io_return_t
-isdn_getstate(
-	isdn_softc_t	*sc,
-	dev_flavor_t	flavor,
-	register struct mapreg *map,
-	natural_t	*count)
-{
-	register amd79c30_padded_regs_t *regs = sc->regs;
-	spl_t s;
-	int i;
-
-	/* Sun compat */
-	if (flavor == AUDIOGETREG) {
-		register struct audio_ioctl *a = (struct audio_ioctl *)map;
-		s = splaudio();
-		write_reg(regs->cr, (a->control >> 8) & 0xff);
-		for (i = 0; i < (a->control & 0xff); i++) {
-		    read_reg(regs->dr,a->data[i]);
-		}
-		splx(s);
-		*count = sizeof(*a) / sizeof(int);
-		return D_SUCCESS;
-	}
-
-	if ( (*count * sizeof(int)) < sizeof(*map))
-		return D_INVALID_SIZE;
-	bcopy(&sc->sc_map, map, sizeof(sc->sc_map));
-	*count = sizeof(*map) / sizeof(int);
-	return D_SUCCESS;
-}
-
-
-
-/*
- * Set the mmr1 register and one other 16 bit register in the audio chip.
- * The other register is indicated by op and val.
- */
-private void
-isdn_set_mmr1(
-	register amd79c30_padded_regs_t *regs,
-	register int mmr1,
-	register int op,
-	register int val)
-{
-	register int s = splaudio();
-
-	write_reg(regs->cr, AMDR_MAP_MMR1);
-	write_reg(regs->dr, mmr1);
-	write_reg(regs->cr, op);
-	WAMD16(regs, val);
-	splx(s);
-}
-
-/*
- * Set the mmr2 register.
- */
-private void
-isdn_set_mmr2(
-	register amd79c30_padded_regs_t	*regs,
-	register int			mmr2)
-{
-	register int s = splaudio();
-
-	write_reg(regs->cr, AMDR_MAP_MMR2);
-	write_reg(regs->dr, mmr2);
-	splx(s);
-}
-
-/*
- * gx, gr & stg gains.  this table must contain 256 elements with
- * the 0th being "infinity" (the magic value 9008).  The remaining
- * elements match sun's gain curve (but with higher resolution):
- * -18 to 0dB in .16dB steps then 0 to 12dB in .08dB steps.
- */
-private const unsigned short gx_coeff[256] = {
-	0x9008, 0x8b7c, 0x8b51, 0x8b45, 0x8b42, 0x8b3b, 0x8b36, 0x8b33,
-	0x8b32, 0x8b2a, 0x8b2b, 0x8b2c, 0x8b25, 0x8b23, 0x8b22, 0x8b22,
-	0x9122, 0x8b1a, 0x8aa3, 0x8aa3, 0x8b1c, 0x8aa6, 0x912d, 0x912b,
-	0x8aab, 0x8b12, 0x8aaa, 0x8ab2, 0x9132, 0x8ab4, 0x913c, 0x8abb,
-	0x9142, 0x9144, 0x9151, 0x8ad5, 0x8aeb, 0x8a79, 0x8a5a, 0x8a4a,
-	0x8b03, 0x91c2, 0x91bb, 0x8a3f, 0x8a33, 0x91b2, 0x9212, 0x9213,
-	0x8a2c, 0x921d, 0x8a23, 0x921a, 0x9222, 0x9223, 0x922d, 0x9231,
-	0x9234, 0x9242, 0x925b, 0x92dd, 0x92c1, 0x92b3, 0x92ab, 0x92a4,
-	0x92a2, 0x932b, 0x9341, 0x93d3, 0x93b2, 0x93a2, 0x943c, 0x94b2,
-	0x953a, 0x9653, 0x9782, 0x9e21, 0x9d23, 0x9cd2, 0x9c23, 0x9baa,
-	0x9bde, 0x9b33, 0x9b22, 0x9b1d, 0x9ab2, 0xa142, 0xa1e5, 0x9a3b,
-	0xa213, 0xa1a2, 0xa231, 0xa2eb, 0xa313, 0xa334, 0xa421, 0xa54b,
-	0xada4, 0xac23, 0xab3b, 0xaaab, 0xaa5c, 0xb1a3, 0xb2ca, 0xb3bd,
-	0xbe24, 0xbb2b, 0xba33, 0xc32b, 0xcb5a, 0xd2a2, 0xe31d, 0x0808,
-	0x72ba, 0x62c2, 0x5c32, 0x52db, 0x513e, 0x4cce, 0x43b2, 0x4243,
-	0x41b4, 0x3b12, 0x3bc3, 0x3df2, 0x34bd, 0x3334, 0x32c2, 0x3224,
-	0x31aa, 0x2a7b, 0x2aaa, 0x2b23, 0x2bba, 0x2c42, 0x2e23, 0x25bb,
-	0x242b, 0x240f, 0x231a, 0x22bb, 0x2241, 0x2223, 0x221f, 0x1a33,
-	0x1a4a, 0x1acd, 0x2132, 0x1b1b, 0x1b2c, 0x1b62, 0x1c12, 0x1c32,
-	0x1d1b, 0x1e71, 0x16b1, 0x1522, 0x1434, 0x1412, 0x1352, 0x1323,
-	0x1315, 0x12bc, 0x127a, 0x1235, 0x1226, 0x11a2, 0x1216, 0x0a2a,
-	0x11bc, 0x11d1, 0x1163, 0x0ac2, 0x0ab2, 0x0aab, 0x0b1b, 0x0b23,
-	0x0b33, 0x0c0f, 0x0bb3, 0x0c1b, 0x0c3e, 0x0cb1, 0x0d4c, 0x0ec1,
-	0x079a, 0x0614, 0x0521, 0x047c, 0x0422, 0x03b1, 0x03e3, 0x0333,
-	0x0322, 0x031c, 0x02aa, 0x02ba, 0x02f2, 0x0242, 0x0232, 0x0227,
-	0x0222, 0x021b, 0x01ad, 0x0212, 0x01b2, 0x01bb, 0x01cb, 0x01f6,
-	0x0152, 0x013a, 0x0133, 0x0131, 0x012c, 0x0123, 0x0122, 0x00a2,
-	0x011b, 0x011e, 0x0114, 0x00b1, 0x00aa, 0x00b3, 0x00bd, 0x00ba,
-	0x00c5, 0x00d3, 0x00f3, 0x0062, 0x0051, 0x0042, 0x003b, 0x0033,
-	0x0032, 0x002a, 0x002c, 0x0025, 0x0023, 0x0022, 0x001a, 0x0021,
-	0x001b, 0x001b, 0x001d, 0x0015, 0x0013, 0x0013, 0x0012, 0x0012,
-	0x000a, 0x000a, 0x0011, 0x0011, 0x000b, 0x000b, 0x000c, 0x000e,
-};
-
-/*
- * second stage play gain.
- */
-private const unsigned short ger_coeff[] = {
-	0x431f, /* 5. dB */
-	0x331f, /* 5.5 dB */
-	0x40dd, /* 6. dB */
-	0x11dd, /* 6.5 dB */
-	0x440f, /* 7. dB */
-	0x411f, /* 7.5 dB */
-	0x311f, /* 8. dB */
-	0x5520, /* 8.5 dB */
-	0x10dd, /* 9. dB */
-	0x4211, /* 9.5 dB */
-	0x410f, /* 10. dB */
-	0x111f, /* 10.5 dB */
-	0x600b, /* 11. dB */
-	0x00dd, /* 11.5 dB */
-	0x4210, /* 12. dB */
-	0x110f, /* 13. dB */
-	0x7200, /* 14. dB */
-	0x2110, /* 15. dB */
-	0x2200, /* 15.9 dB */
-	0x000b, /* 16.9 dB */
-	0x000f  /* 18. dB */
-#define NGER (sizeof(ger_coeff) / sizeof(ger_coeff[0]))
-};
-
-private void
-isdn_set_rgain(
-	register isdn_softc_t	*sc,
-	register int		level)
-{
-	level &= 0xff;
-	sc->sc_rlevel = level;
-	sc->sc_map.mr_mmr1 |= AMD_MMR1_GX;
-	sc->sc_map.mr_gx = gx_coeff[level];
-	isdn_set_mmr1(sc->regs, sc->sc_map.mr_mmr1,
-		      AMDR_MAP_GX, sc->sc_map.mr_gx);
-}
-
-private void
-isdn_set_pgain(
-	register isdn_softc_t	*sc,
-	register int		level)
-{
-	register int gi, s;
-	register amd79c30_padded_regs_t *regs;
-
-	level &= 0xff;
-	sc->sc_plevel = level;
-	sc->sc_map.mr_mmr1 |= AMD_MMR1_GER|AMD_MMR1_GR;
-	level *= 256 + NGER;
-	level >>= 8;
-	if (level >= 256) {
-		gi = level - 256;
-		level = 255;
-	} else
-		gi = 0;
-	sc->sc_map.mr_ger = ger_coeff[gi];
-	sc->sc_map.mr_gr = gx_coeff[level];
-
-	regs = sc->regs;
-	s = splaudio();
-	write_reg(regs->cr, AMDR_MAP_MMR1);
-	write_reg(regs->dr, sc->sc_map.mr_mmr1);
-	write_reg(regs->cr, AMDR_MAP_GR);
-	gi =  sc->sc_map.mr_gr;
-	WAMD16(regs, gi);
-	write_reg(regs->cr, AMDR_MAP_GER);
-	gi =  sc->sc_map.mr_ger;
-	WAMD16(regs, gi);
-	splx(s);
-}
-
-private void
-isdn_set_mgain(
-	register isdn_softc_t	*sc,
-	register int		level)
-{
-	level &= 0xff;
-	sc->sc_mlevel = level;
-	sc->sc_map.mr_mmr1 |= AMD_MMR1_STG;
-	sc->sc_map.mr_stgr = gx_coeff[level];
-	isdn_set_mmr1(sc->regs, sc->sc_map.mr_mmr1,
-		      AMDR_MAP_STG, sc->sc_map.mr_stgr);
-}
-
-/*
- * Interrupt routine
- */
-#if	old
-isdn_intr (unit, spllevel)
-	spl_t	spllevel;
-{
-#ifdef	MAXINE
-	xine_enable_interrupt(7, 0, 0);
-#endif
-#ifdef	FLAMINGO
-	kn15aa_enable_interrupt(12, 0, 0);
-#endif
-	printf("ISDN interrupt");
-}
-#else
-isdn_intr (unit, spllevel)
-	spl_t	spllevel;
-{
-	isdn_softc_t	*sc = isdn_softc[unit];
-	amd79c30_padded_regs_t *regs = sc->regs;
-	register int i;
-	unsigned int c;
-
-	read_reg(regs->ir, i); mb();	/* clear interrupt, now */
-#if mips
-	splx(spllevel);		/* drop priority */
-#endif
-
-#if 0
-	if (..this is an audio interrupt..)
-#endif
-	{
-		read_reg(regs->bbrb, c);
-		if (audio_hwintr(sc->audio_status, c, &c))
-			write_reg(regs->bbtb, c);
-	}
-}
-#endif
-
-
-
-/*
- *  Standard operations vector
- */
-audio_switch_t isdn_ops = {
-	isdn_init,
-	isdn_close,
-	isdn_setport,
-	isdn_getport,
-	isdn_setgains,
-	isdn_getgains,
-	isdn_setstate,
-	isdn_getstate
-};
-
-#if 1
-write_an_int(int *where, int what) { *where = what;}
-read_an_int(int *where) { return *where;}
-#endif
-
-#endif