1 files changed, 0 insertions, 412 deletions
diff --git a/sys/pci/bt848_i2c.c b/sys/pci/bt848_i2c.c
deleted file mode 100644
index 176d069a837fb..0000000000000
--- a/sys/pci/bt848_i2c.c
+++ /dev/null
@@ -1,412 +0,0 @@
-/*-
- * Copyright (c) 1998 Nicolas Souchu
- * 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.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
- *
- *	$Id: bt848_i2c.c,v 1.1 1998/10/31 11:26:38 nsouch Exp $
- *
- */
-
-/*
- * I2C support for the bti2c chipset.
- *
- * From brooktree848.c <fsmp@freefall.org>
- */
-
-#include <sys/param.h>
-#include <sys/kernel.h>
-#include <sys/systm.h>
-#include <sys/module.h>
-#include <sys/bus.h>
-#include <sys/conf.h>
-#include <sys/buf.h>
-#include <sys/uio.h>
-#include <sys/malloc.h>
-
-#include <machine/clock.h>
-
-#include <pci/pcivar.h>
-#include <pci/pcireg.h>
-#include <machine/ioctl_meteor.h>
-#include <machine/ioctl_bt848.h>	/* extensions to ioctl_meteor.h */
-#include <pci/brktree_reg.h>
-
-#include <pci/bt848_i2c.h>
-
-#include <dev/iicbus/iiconf.h>
-#include <dev/iicbus/iicbus.h>
-
-#include <dev/smbus/smbconf.h>
-
-#include "iicbb_if.h"
-#include "smbus_if.h"
-
-#include "pci.h"
-#include "bktr.h"
-
-#if (NBKTR > 0 && NPCI > 0)
-
-#define I2C_DELAY	40
-
-#define BTI2C_DEBUG(x)	if (bti2c_debug) (x)
-static int bti2c_debug = 0;
-
-struct bti2c_softc {
-
-	bt848_ptr_t base;
-
-	int iic_owned;			/* 1 if we own the iicbus */
-	int smb_owned;			/* 1 if we own the smbbus */
-
-	device_t smbus;
-	device_t iicbus;
-};
-
-struct bt_data {
-	bt848_ptr_t base;
-};
-struct bt_data btdata[NBKTR];
-
-static int bti2c_probe(device_t);
-static int bti2c_attach(device_t);
-static void bti2c_print_child(device_t, device_t);
-
-static int bti2c_iic_callback(device_t, int, caddr_t *);
-static void bti2c_iic_setlines(device_t, int, int);
-static int bti2c_iic_getdataline(device_t);
-static int bti2c_iic_reset(device_t, u_char, u_char, u_char *);
-
-static int bti2c_smb_callback(device_t, int, caddr_t *);
-static int bti2c_smb_writeb(device_t dev, u_char slave, char cmd, char byte);
-static int bti2c_smb_writew(device_t dev, u_char slave, char cmd, short word);
-static int bti2c_smb_readb(device_t dev, u_char slave, char cmd, char *byte);
-
-static devclass_t bti2c_devclass;
-
-static device_method_t bti2c_methods[] = {
-	/* device interface */
-	DEVMETHOD(device_probe,		bti2c_probe),
-	DEVMETHOD(device_attach,	bti2c_attach),
-
-	/* bus interface */
-	DEVMETHOD(bus_print_child,	bti2c_print_child),
-
-	/* iicbb interface */
-	DEVMETHOD(iicbb_callback,	bti2c_iic_callback),
-	DEVMETHOD(iicbb_setlines,	bti2c_iic_setlines),
-	DEVMETHOD(iicbb_getdataline,	bti2c_iic_getdataline),
-	DEVMETHOD(iicbb_reset,		bti2c_iic_reset),
-	
-	/* smbus interface */
-	DEVMETHOD(smbus_callback,	bti2c_smb_callback),
-	DEVMETHOD(smbus_writeb,		bti2c_smb_writeb),
-	DEVMETHOD(smbus_writew,		bti2c_smb_writew),
-	DEVMETHOD(smbus_readb,		bti2c_smb_readb),
-	
-	{ 0, 0 }
-};
-
-static driver_t bti2c_driver = {
-	"bti2c",
-	bti2c_methods,
-	DRIVER_TYPE_MISC,
-	sizeof(struct bti2c_softc),
-};
-
-/*
- * Call this to pass the base address of the bktr device to the
- * bti2c_i2c layer and initialize all the I2C bus architecture
- */
-int
-bt848_i2c_attach(int unit, bt848_ptr_t base, struct bktr_i2c_softc *i2c_sc)
-{
-	device_t interface;
-	device_t bitbang;
-
-	btdata[unit].base = base;
-
-	/* XXX add the I2C interface to the root_bus until pcibus is ready */
-	interface = device_add_child(root_bus, "bti2c", unit, NULL);
-
-	/* add bit-banging generic code onto bti2c interface */
-	bitbang = device_add_child(interface, "iicbb", -1, NULL);
-
-	/* probe and attach the interface, we need it NOW
-	 * bit-banging code is also probed and attached */
-	device_probe_and_attach(interface);
-	device_probe_and_attach(bitbang);
-
-	/* smb and i2c interfaces are available for the bt848 chip
-	 * connect bit-banging generic code to an iicbus */
-	if ((i2c_sc->iicbus = iicbus_alloc_bus(bitbang)))
-		device_probe_and_attach(i2c_sc->iicbus);
-
-	/* hardware i2c is actually smb over the bti2c interface */
-	if ((i2c_sc->smbus = smbus_alloc_bus(interface)))
-		device_probe_and_attach(i2c_sc->smbus);
-
-	return (0);
-};
-
-/*
- * Not a real probe, we know the device exists since the device has
- * been added after the successfull pci probe.
- */
-static int
-bti2c_probe(device_t dev)
-{
-	device_set_desc(dev, "bt848 Hard/Soft I2C controller");
-
-	return (0);
-}
-
-static int
-bti2c_attach(device_t dev)
-{
-	struct bti2c_softc *sc = (struct bti2c_softc *)device_get_softc(dev);
-
-	/* XXX should use ivars with pcibus or pcibus methods to access
-	 * onboard memory */
-	sc->base = btdata[device_get_unit(dev)].base;
-
-	return (0);
-}
-
-static void
-bti2c_print_child(device_t bus, device_t dev)
-{
-	printf(" on %s%d", device_get_name(bus), device_get_unit(bus));
-
-	return;
-}
-
-static int
-bti2c_smb_callback(device_t dev, int index, caddr_t *data)
-{
-	struct bti2c_softc *sc = (struct bti2c_softc *)device_get_softc(dev);
-	int error = 0;
-	int how;
-
-	/* test each time if we already have/haven't the iicbus
-	 * to avoid deadlocks
-	 */
-	switch (index) {
-	case SMB_REQUEST_BUS:
-		if (!sc->iic_owned) {
-			/* request the iicbus */
-			how = *(int *)data;
-			error = iicbus_request_bus(sc->iicbus, dev, how);
-			if (!error)
-				sc->iic_owned = 1;
-		}
-		break;
-
-	case SMB_RELEASE_BUS:
-		if (sc->iic_owned) {
-			/* release the iicbus */
-			error = iicbus_release_bus(sc->iicbus, dev);
-			if (!error)
-				sc->iic_owned = 0;
-		}
-		break;
-
-	default:
-		error = EINVAL;
-	}
-
-	return (error);
-}
-
-static int
-bti2c_iic_callback(device_t dev, int index, caddr_t *data)
-{
-	struct bti2c_softc *sc = (struct bti2c_softc *)device_get_softc(dev);
-	int error = 0;
-	int how;
-
-	/* test each time if we already have/haven't the smbus
-	 * to avoid deadlocks
-	 */
-	switch (index) {
-	case IIC_REQUEST_BUS:
-		if (!sc->smb_owned) {
-			/* request the smbus */
-			how = *(int *)data;
-			error = smbus_request_bus(sc->smbus, dev, how);
-			if (!error)
-				sc->smb_owned = 1;
-		}
-		break;
-
-	case IIC_RELEASE_BUS:
-		if (sc->smb_owned) {
-			/* release the smbus */
-			error = smbus_release_bus(sc->smbus, dev);
-			if (!error)
-				sc->smb_owned = 0;
-		}
-		break;
-
-	default:
-		error = EINVAL;
-	}
-
-	return (error);
-}
-
-static int
-bti2c_iic_reset(device_t dev, u_char speed, u_char addr, u_char * oldaddr)
-{
-	if (oldaddr)
-		*oldaddr = 0;			/* XXX */
-
-	return (IIC_ENOADDR);
-}
-
-static void
-bti2c_iic_setlines(device_t dev, int ctrl, int data)
-{
-	struct bti2c_softc *sc = (struct bti2c_softc *)device_get_softc(dev);
-	bt848_ptr_t bti2c;
-
-	bti2c = sc->base;
-
-	bti2c->i2c_data_ctl = (ctrl << 1) | data;
-	DELAY(I2C_DELAY);
-
-	return;
-}
-
-static int
-bti2c_iic_getdataline(device_t dev)
-{
-	struct bti2c_softc *sc = (struct bti2c_softc *)device_get_softc(dev);
-	bt848_ptr_t bti2c;
-
-	bti2c = sc->base;
-
-	return (bti2c->i2c_data_ctl & 0x1);
-}
-
-static int
-bti2c_write(bt848_ptr_t bti2c, u_long data)
-{
-	u_long		x;
-
-	/* clear status bits */
-	bti2c->int_stat = (BT848_INT_RACK | BT848_INT_I2CDONE);
-
-	BTI2C_DEBUG(printf("w%lx", data));
-
-	/* write the address and data */
-	bti2c->i2c_data_ctl = data;
-
-	/* wait for completion */
-	for ( x = 0x7fffffff; x; --x ) {	/* safety valve */
-		if ( bti2c->int_stat & BT848_INT_I2CDONE )
-			break;
-	}
-
-	/* check for ACK */
-	if ( !x || !(bti2c->int_stat & BT848_INT_RACK) ) {
-		BTI2C_DEBUG(printf("%c%c", (!x)?'+':'-',
-			(!(bti2c->int_stat & BT848_INT_RACK))?'+':'-'));
-		return (SMB_ENOACK);
-	}
-	BTI2C_DEBUG(printf("+"));
-
-	/* return OK */
-	return( 0 );
-}
-
-static int
-bti2c_smb_writeb(device_t dev, u_char slave, char cmd, char byte)
-{
-	struct bti2c_softc *sc = (struct bti2c_softc *)device_get_softc(dev);
-	u_long data;
-
-	data = ((slave & 0xff) << 24) | ((byte & 0xff) << 16) | (u_char)cmd;
-
-	return (bti2c_write(sc->base, data));
-}
-
-/*
- * byte1 becomes low byte of word
- * byte2 becomes high byte of word
- */
-static int
-bti2c_smb_writew(device_t dev, u_char slave, char cmd, short word)
-{
-	struct bti2c_softc *sc = (struct bti2c_softc *)device_get_softc(dev);
-	u_long data;
-	char low, high;
-
-	low = (char)(word & 0xff);
-	high = (char)((word & 0xff00) >> 8);
-
-	data = ((slave & 0xff) << 24) | ((low & 0xff) << 16) |
-		((high & 0xff) << 8) | BT848_DATA_CTL_I2CW3B | (u_char)cmd;
-
-	return (bti2c_write(sc->base, data));
-}
-
-/*
- * The Bt878 and Bt879 differed on the treatment of i2c commands
- */
-static int
-bti2c_smb_readb(device_t dev, u_char slave, char cmd, char *byte)
-{
-	struct bti2c_softc *sc = (struct bti2c_softc *)device_get_softc(dev);
-	bt848_ptr_t	bti2c;
-	u_long		x;
-
-	bti2c = sc->base;
-
-	/* clear status bits */
-	bti2c->int_stat = (BT848_INT_RACK | BT848_INT_I2CDONE);
-
-	bti2c->i2c_data_ctl = ((slave & 0xff) << 24) | (u_char)cmd;
-
-	BTI2C_DEBUG(printf("r%lx/", (u_long)(((slave & 0xff) << 24) | (u_char)cmd)));
-
-	/* wait for completion */
-	for ( x = 0x7fffffff; x; --x ) {	/* safety valve */
-		if ( bti2c->int_stat & BT848_INT_I2CDONE )
-			break;
-	}
-
-	/* check for ACK */
-	if ( !x || !(bti2c->int_stat & BT848_INT_RACK) ) {
-		BTI2C_DEBUG(printf("r%c%c", (!x)?'+':'-',
-			(!(bti2c->int_stat & BT848_INT_RACK))?'+':'-'));
-		return (SMB_ENOACK);
-	}
-
-	*byte = (char)((bti2c->i2c_data_ctl >> 8) & 0xff);
-	BTI2C_DEBUG(printf("r%x+", *byte));
-
-	return (0);
-}
-
-DRIVER_MODULE(bti2c, root, bti2c_driver, bti2c_devclass, 0, 0);
-#endif