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, 644 deletions

diff --git a/chips/dtop_hdw.c b/chips/dtop_hdw.c
deleted file mode 100644
index 6962d70..0000000
--- a/chips/dtop_hdw.c
+++ /dev/null
@@ -1,644 +0,0 @@
-/* 
- * Mach Operating System
- * Copyright (c) 1993,1992 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: dtop_hdw.c
- * 	Author: Alessandro Forin, Carnegie Mellon University
- *	Date:	1/92
- *
- *	Hardware-level operations for the Desktop serial line
- *	bus (i2c aka ACCESS).
- */
-
-#include <dtop.h>
-#if	NDTOP > 0
-#include <bm.h>
-#include <platforms.h>
-
-#include <machine/machspl.h>		/* spl definitions */
-#include <mach/std_types.h>
-#include <device/io_req.h>
-#include <device/tty.h>
-
-#include <chips/busses.h>
-#include <chips/serial_defs.h>
-#include <chips/screen_defs.h>
-#include <chips/lk201.h>
-#include <mips/PMAX/tc.h>
-
-#include <chips/dtop.h>
-
-#define	DTOP_MAX_POLL	0x7fff		/* about half a sec */
-
-#ifdef	MAXINE
-
-typedef volatile unsigned int	*data_reg_t;	/* uC  */
-#define	DTOP_GET_BYTE(data)	(((*(data)) >> 8) & 0xff)
-#define	DTOP_PUT_BYTE(data,c)	{ *(data) = (c) << 8; }
-
-typedef volatile unsigned int	*poll_reg_t;	/* SIR */
-#define	DTOP_RX_AVAIL(poll)	(*(poll) & 1)
-#define	DTOP_TX_AVAIL(poll)	(*(poll) & 2)
-
-#else
-
-define how to get/put DTOP packets on this box
-
-#endif
-
-/*
- * Driver status
- */
-
-struct dtop_softc {
-	data_reg_t	data;
-	poll_reg_t	poll;
-	char		polling_mode;
-	char		probed_once;
-	short		bad_pkts;
-
-	struct dtop_ds {
-		int		(*handler)(dtop_device_t,
-					   dtop_message_t, 
-					   int, 
-					   unsigned char);
-		dtop_device	status;
-	} device[(DTOP_ADDR_DEFAULT - DTOP_ADDR_FIRST) >> 1];
-
-#	define	DTOP_DEVICE_NO(address)	(((address)-DTOP_ADDR_FIRST)>>1)
-
-} dtop_softc_data[NDTOP];
-
-typedef struct dtop_softc *dtop_softc_t;
-
-dtop_softc_t	dtop_softc[NDTOP];
-
-/*
- * Definition of the driver for the auto-configuration program.
- */
-
-int	dtop_probe(), dtop_intr();
-static void	dtop_attach();
-
-vm_offset_t	dtop_std[NDTOP] = { 0 };
-struct	bus_device *dtop_info[NDTOP];
-struct	bus_driver dtop_driver = 
-        { dtop_probe, 0, dtop_attach, 0, dtop_std, "dtop", dtop_info,};
-
-
-int dtop_print_debug = 0;
-
-/*
- * Adapt/Probe/Attach functions
- */
-
-set_dtop_address( dtopunit, poll_reg)
-	data_reg_t	poll_reg;
-{
-	int i;
-
-	extern int	dtop_probe(), dtop_param(), dtop_start(),
-			dtop_putc(), dtop_getc(),
-			dtop_pollc(), dtop_mctl(), dtop_softCAR();
-
-	dtop_std[dtopunit] = (vm_offset_t)poll_reg;
-
-	/* Do this here */
-	console_probe		= dtop_probe;
-	console_param		= dtop_param;
-	console_start		= dtop_start;
-	console_putc		= dtop_putc;
-	console_getc		= dtop_getc;
-	console_pollc		= dtop_pollc;
-	console_mctl		= dtop_mctl;
-	console_softCAR		= dtop_softCAR;
-
-}
-
-dtop_probe( data_reg, ui)
-	data_reg_t		data_reg;
-	struct bus_device	*ui;
-{
-	int		dtopunit = ui->unit, i;
-	dtop_softc_t    dtop;
-
-	dtop = &dtop_softc_data[dtopunit];
-	dtop_softc[dtopunit] = dtop;
-
-	dtop->poll = (poll_reg_t)dtop_std[dtopunit];
-	dtop->data = data_reg;
-
-	for (i = 0; i < DTOP_MAX_DEVICES; i++)
-		dtop->device[i].handler = dtop_null_device_handler;
-
-	/* a lot more needed here, fornow: */
-	dtop->device[DTOP_DEVICE_NO(0x6a)].handler = dtop_locator_handler;
-	dtop->device[DTOP_DEVICE_NO(0x6a)].status.locator.type =
-		DEV_MOUSE;
-	dtop->device[DTOP_DEVICE_NO(0x6a)].status.locator.relative =
-		1;
-	dtop->device[DTOP_DEVICE_NO(0x6a)].status.locator.button_code[0] =
-		KEY_LEFT_BUTTON;
-	dtop->device[DTOP_DEVICE_NO(0x6a)].status.locator.button_code[1] =
-		KEY_RIGHT_BUTTON;
-	dtop->device[DTOP_DEVICE_NO(0x6a)].status.locator.button_code[2] =
-		KEY_MIDDLE_BUTTON;
-	dtop->device[DTOP_DEVICE_NO(0x6a)].status.locator.n_coords =
-		2;
-
-	dtop->device[DTOP_DEVICE_NO(0x6c)].handler = dtop_keyboard_handler;
-	dtop->device[DTOP_DEVICE_NO(0x6c)].status.keyboard.poll_frequency =
-		(hz * 5) / 100; /* x0.01 secs */
-	dtop->device[DTOP_DEVICE_NO(0x6c)].status.keyboard.bell_volume =
-		DTOP_CLICK_VOLUME_MAX;
-
-	return 1;
-}
-
-static void
-dtop_attach(ui)
-	struct bus_device	*ui;
-{
-	int             i;
-
-	/* Initialize all the console ttys */
-	for (i = 0; i < 4; i++)
-		ttychars(console_tty[i]);
-	/* Mark keyboard and mouse present */
-	for (i = 0; i < 2; i++)
-		console_tty[i]->t_addr = (char*)1;
-}
-
-/*
- * Polled I/O (debugger)
- */
-dtop_pollc(unit, on)
-	boolean_t		on;
-{
-	dtop_softc_t		dtop;
-
-	dtop = dtop_softc[unit];
-	if (on) {
-		dtop->polling_mode++;
-#if	NBM > 0
-		screen_on_off(unit, TRUE);
-#endif	NBM > 0
-	} else
-		dtop->polling_mode--;
-}
-
-/*
- * Interrupt routine
- */
-dtop_intr (unit, spllevel, recvd)
-	spl_t		spllevel;
-	boolean_t	recvd;
-{
-
-	if (recvd) {
-		dtop_message	msg;
-		int		devno;
-		dtop_softc_t	dtop;
-
-		ssaver_bump(unit);
-
-#ifdef	mips
-		splx(spllevel);
-#endif
-
-		dtop = dtop_softc[unit];
-		if (dtop_get_packet(dtop, &msg) < 0) {
-		  if (dtop_print_debug)
-		    printf("%s", "dtop: overrun (or stray)\n");
-		  return;
-		}
-
-		devno = DTOP_DEVICE_NO(msg.src_address);
-		if (devno < 0 || devno > 15) return;	/* sanity */
-
-		(void) (*dtop->device[devno].handler)
-				(&dtop->device[devno].status, &msg,
-				 DTOP_EVENT_RECEIVE_PACKET, 0);
-
-	} else {
-		/* fornow xmit is not intr based */
-		(*tc_enable_interrupt)( dtop_info[unit]->adaptor, FALSE, TRUE);
-	}
-}
-
-boolean_t
-dtop_start(tp)
-	struct tty *tp;
-{
-	register int		line, temp;
-
-	/* no, we do not need a char out first */
-	return FALSE;
-}
-
-dtop_w_test(n, a,b,c,d,e,f,g,h)
-{
-	int *p = (int*)0xbc2a0000;
-
-	if (n <= 0) return;
-
-	a <<= 8; *p = a;
-	if (--n == 0) goto out;
-	delay(20);
-	b <<= 8; *p = b;
-	if (--n == 0) goto out;
-	delay(20);
-	c <<= 8; *p = c;
-	if (--n == 0) goto out;
-	delay(20);
-	d <<= 8; *p = d;
-	if (--n == 0) goto out;
-	delay(20);
-	e <<= 8; *p = e;
-	if (--n == 0) goto out;
-	delay(20);
-	f <<= 8; *p = f;
-	if (--n == 0) goto out;
-	delay(20);
-	g <<= 8; *p = g;
-	if (--n == 0) goto out;
-	delay(20);
-	h <<= 8; *p = h;
-out:
-	delay(10000);
-	{
-		int buf[100];
-
-		delay(20);
-		a = *p;
-		buf[0] = a;
-		c = 1;
-		for (n = 0; n < 100; n++) {
-			delay(20);
-			b = *p;
-			if (b != a) {
-				buf[c++] = b;
-				b = a;
-			}
-		}
-		for (n = 0; n < c; n++)
-			db_printf("%x ", ((buf[n])>>8)&0xff);
-	}
-	return c;
-}
-
-/*
- * Take a packet off dtop interface
- * A packet MUST be there, this is not checked for.
- */
-#define	DTOP_ESC_CHAR		0xf8
-dtop_escape(c)
-{
-	/* I donno much about this stuff.. */
-	switch (c) {
-	case 0xe8:	return 0xf8;
-	case 0xe9:	return 0xf9;
-	case 0xea:	return 0xfa;
-	case 0xeb:	return 0xfb;
-	default:	/* printf("{esc %x}", c); */
-			return c;
-	}
-}
-
-dtop_get_packet(dtop, pkt)
-	dtop_softc_t	dtop;
-	dtop_message_t	pkt;
-{
-	register poll_reg_t	poll;
-	register data_reg_t	data;
-	register int		max, i, len;
-	register unsigned char	c;
-
-	poll = dtop->poll;
-	data = dtop->data;
-
-	/*
-	 * The interface does not handle us the first byte,
-	 * which is our address and cannot ever be anything
-	 * else but 0x50.  This is a good thing, it makes
-	 * the average packet exactly one word long, too.
-	 */
-	pkt->src_address = DTOP_GET_BYTE(data);
-
-	for (max = 0; (max < DTOP_MAX_POLL) && !DTOP_RX_AVAIL(poll); max++)
-		delay(16);
-	if (max == DTOP_MAX_POLL) goto bad;
-	pkt->code.bits = DTOP_GET_BYTE(data);
-
-	/*
-	 * Now get data and checksum
-	 */
-	len = pkt->code.val.len + 1;
-	c = 0;
-	for (i = 0; i < len; i++) {
-
-again:		for (max = 0; (max < DTOP_MAX_POLL) && !DTOP_RX_AVAIL(poll); max++)
-			delay(16);
-		if (max == DTOP_MAX_POLL) goto bad;
-		if (c == DTOP_ESC_CHAR) {
-			c = dtop_escape(DTOP_GET_BYTE(data) & 0xff);
-		} else {
-			c = DTOP_GET_BYTE(data);
-			if (c == DTOP_ESC_CHAR)
-				goto again;
-		}
-
-		pkt->body[i] = c;
-	}
-	return len;
-bad:
-	dtop->bad_pkts++;
-	return -1;
-}
-
-/* Conversely... */
-dtop_put_packet(dtop, pkt)
-	dtop_softc_t	dtop;
-	dtop_message_t	pkt;
-{
-	register int i, max;
-	register unsigned char *cp;
-	register unsigned int spl;
-	register unsigned char c;
-	
-	spl = spltty();
-	pkt->src_address = pkt->dest_address;
-	i = 0;
-	cp = (unsigned char *)&pkt->src_address;
-	while (i < pkt->code.val.len + 2) {
-		for (max = 0; max < DTOP_MAX_POLL && !DTOP_TX_AVAIL(dtop->poll);
-		     max++);
-		if (max == DTOP_MAX_POLL)
-			goto bad;
-		DTOP_PUT_BYTE(dtop->data, *cp);
-		cp++;
-		i++;
-	}
-	for (max = 0; (max < DTOP_MAX_POLL) && !DTOP_RX_AVAIL(dtop->poll); max++)
-		delay(16);
-	if (max == DTOP_MAX_POLL)
-		goto bad;
-	c = DTOP_GET_BYTE(dtop->data);
-	if (c == DTOP_ESC_CHAR) {
-		for (max = 0; (max < DTOP_MAX_POLL)
-		     && !DTOP_RX_AVAIL(dtop->poll); max++)
-			delay(16);
-		if (max == DTOP_MAX_POLL)
-			goto bad;
-		c = DTOP_GET_BYTE(dtop->data);
-	}
-	splx(spl);
-	switch (c) {
-	case 0xfb:		/* XMT, ok */
-		break;
-	default:
-		return 0;
-	}
-	return 1;
- bad:
-	splx(spl);
-	return 0;
-}
-
-
-/*
- * Get a char from a specific DTOP line
- * [this is only used for console&screen purposes]
- */
-dtop_getc( unit, line, wait, raw )
-	boolean_t	wait;
-	boolean_t	raw;
-{
-	register int c;
-	dtop_softc_t	dtop;
-
-	dtop = dtop_softc[unit];
-again:
-	c = -1;
-
-	/*
-	 * Try rconsole first
-	 */
-	if (rcline && line == SCREEN_LINE_KEYBOARD) {
-		c = scc_getc( 0, rcline, FALSE, raw);
-		if (c != -1) return c;
-	}
-
-	/*
-	 * Now check keyboard
-	 */
-	if (DTOP_RX_AVAIL(dtop->poll)) {
-
-		dtop_message	msg;
-		struct dtop_ds	*ds;
-
-		if (dtop_get_packet(dtop, &msg) >= 0) {
-
-		    ds = &dtop->device[DTOP_DEVICE_NO(msg.src_address)];
-		    if (ds->handler == dtop_keyboard_handler) {
-
-			c = dtop_keyboard_handler(
-					&ds->status, &msg,
-					DTOP_EVENT_RECEIVE_PACKET, -1);
-
-			if (c > 0) return c;
-
-			c = -1;
-		    }
-		}
-	}
-
-	if (wait && (c == -1)) {
-		delay(100);
-		goto again;
-	}
-
-	return c;
-}
-
-/*
- * Put a char on a specific DTOP line
- */
-dtop_putc( unit, line, c )
-{
-	if (rcline && line == rcline) {
-		scc_putc(0, rcline, c);
-	}
-/*	dprintf("%c", c); */
-}
-
-dtop_param(tp, line)
-	struct tty	*tp;
-{
-	if (tp->t_ispeed == 0)
-		ttymodem(tp, 0);
-	else
-		/* called too early to invoke ttymodem, sigh */
-		tp->t_state |= TS_CARR_ON;
-}
- 
-/*
- * Modem control functions, we don't need 'em
- */
-dtop_mctl(dev, bits, how)
-	int dev;
-	int bits, how;
-{
-	return 0;
-}
-
-dtop_softCAR(unit, line, on)
-{
-}
-
-/* Some keyboard specific stuff, probably belongs elsewhere */
-
-dtop_kbd_probe(unit)
-{
-	if (dtop_std[unit]) {
-		lk201_probe(unit);
-		return 1;
-	}
-	return 0;
-}
-
-io_return_t 
-dtop_set_status(unit, flavor, status, status_count)
-	int		unit;
-	int		flavor;
-	dev_status_t	status;
-	unsigned int	status_count;
-{
-	dtop_device_t dev;
-
-	dev = &dtop_softc[unit]->device[DTOP_DEVICE_NO(0x6c)].status;
-
-	switch (flavor) {
-	case LK201_SEND_CMD: {
-		register lk201_cmd_t	*cmd = (lk201_cmd_t *)status;
-		unsigned int		cnt;
-		
-		if ((status_count < (sizeof(*cmd)/sizeof(int))) ||
-		    ((cnt = cmd->len) > 2))
-			return D_INVALID_SIZE;
-		switch (cmd->command) {
-		case LK_CMD_ENB_BELL:
-			cmd->params[0] ^= 0x7;
-			if (dtop_print_debug)
-				printf("LK_CMD_ENB_BELL %d\n", cmd->params[0]);
-			dev->keyboard.bell_volume = cmd->params[0] & 0x7;
-			break;
-		case LK_CMD_DIS_BELL:
-			dev->keyboard.bell_volume = 0;
-			break;
-		case LK_CMD_BELL:
-			dtop_ring_bell(unit);
-			break;
-		case LK_CMD_LEDS_ON:
-			cmd->params[0] &= ~0x80;
-			if (dtop_print_debug)
-				printf("LK_CMD_LEDS_ON %d %x\n",
-				       cmd->params[0], cmd->params[0]);
-			dev->keyboard.led_status |= cmd->params[0];
-			dtop_leds(unit, dev->keyboard.led_status);
-			break;
-		case LK_CMD_LEDS_OFF:
-			cmd->params[0] &= ~0x80;
-			dev->keyboard.led_status &= ~cmd->params[0];
-			dtop_leds(unit, dev->keyboard.led_status);
-			break;
-		case LK_CMD_ENB_KEYCLK:
-		case LK_CMD_DIS_KEYCLK:
-		case LK_CMD_SOUND_CLK:
-		case LK_CMD_DIS_CTLCLK:
-		case LK_CMD_ENB_CTLCLK:
-			break;
-		default:
-			break;
-		}
-		break;
-	}
-	default:
-		break;
-	}
-	return lk201_set_status(unit, flavor, status, status_count);
-}
-
-dtop_kbd_reset(unit)
-{
-	return lk201_reset(unit);
-}
-
-#define DTOP_BITS(p, len)	(((p) << 7) | (len))
-
-dtop_ring_bell(unit)
-{
-	dtop_message msg;
-	dtop_device_t dev;
-	int vol;
-
-	dev = &dtop_softc[unit]->device[DTOP_DEVICE_NO(0x6c)].status;
-	vol = dev->keyboard.bell_volume;
-
-	if (dtop_print_debug)
-		printf("dtop_ring_bell: %d\n", vol);
-	msg.dest_address = DTOP_ADDR_KBD;
-	msg.code.bits = DTOP_BITS(1, 2);
-	msg.body[0] = DTOP_KMSG_BELL;
-	msg.body[1] = vol;
-	if (!dtop_put_packet(dtop_softc[unit], &msg)) {
-	  if (dtop_print_debug)
-	    printf("dtop_ring_bell: dtop_put_packet failed\n");
-	  return -1;
-	}
-	return 0;
-}
-
-dtop_leds(unit, mask)
-{
-	dtop_message msg;
-
-	if (dtop_print_debug)
-		printf("dtop_leds %x\n", mask);
-	msg.dest_address = DTOP_ADDR_KBD;
-	msg.code.bits = DTOP_BITS(1, 2);
-	msg.body[0] = DTOP_KMSG_LED;
-	msg.body[1] = mask;
-	if (!dtop_put_packet(dtop_softc[unit], &msg)) {
-	  if (dtop_print_debug)
-	    printf("dtop_leds: dtop_put_packet failed\n");
-	  return -1;
-	}
-	return 0;
-}
-
-
-
-#endif	NDTOP > 0