From a1b8555a256d86e34f41f9829dc7a4f2397a7fc8 Mon Sep 17 00:00:00 2001
From: Mark Kettenis <kettenis@cvs.openbsd.org>
Date: Sun, 15 Jan 2006 22:03:18 +0000
Subject: Commit missing bits too:

If we attach an lm(4) to isa(4) that is already attached to iic(4), disable
the one attached to iic(4).
idea from deraadt@
---
 sys/dev/i2c/lm_i2c.c |  5 ++++-
 sys/dev/ic/lm78.c    | 12 ++++++------
 sys/dev/ic/lm78var.h |  7 +++++--
 3 files changed, 15 insertions(+), 9 deletions(-)

(limited to 'sys/dev')

diff --git a/sys/dev/i2c/lm_i2c.c b/sys/dev/i2c/lm_i2c.c
index bf826a5556d..8cf2b4a1071 100644
--- a/sys/dev/i2c/lm_i2c.c
+++ b/sys/dev/i2c/lm_i2c.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: lm_i2c.c,v 1.7 2006/01/14 15:14:33 kettenis Exp $	*/
+/*	$OpenBSD: lm_i2c.c,v 1.8 2006/01/15 22:03:17 kettenis Exp $	*/
 
 /*
  * Copyright (c) 2005 Mark Kettenis
@@ -80,6 +80,9 @@ lm_i2c_attach(struct device *parent, struct device *self, void *aux)
 	sc->sc_lmsc.lm_readreg = lm_i2c_readreg;
 	lm_attach(&sc->sc_lmsc);
 
+	/* Remember we attached to iic(4). */
+	sc->sc_lmsc.sbusaddr = ia->ia_addr;
+
 	iic_acquire_bus(sc->sc_tag, 0);
 
 	cmd = 0x4a;
diff --git a/sys/dev/ic/lm78.c b/sys/dev/ic/lm78.c
index 344aaae4f89..816a58216de 100644
--- a/sys/dev/ic/lm78.c
+++ b/sys/dev/ic/lm78.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: lm78.c,v 1.1 2006/01/14 15:14:33 kettenis Exp $	*/
+/*	$OpenBSD: lm78.c,v 1.2 2006/01/15 22:03:17 kettenis Exp $	*/
 
 /*
  * Copyright (c) 2005, 2006 Mark Kettenis
@@ -375,7 +375,7 @@ def_match(struct lm_softc *sc)
 int
 wb_match(struct lm_softc *sc)
 {
-	int banksel, vendid, chipid, devid;
+	int banksel, vendid, devid;
 
 	/* Read vendor ID */
 	banksel = sc->lm_readreg(sc, WB_BANKSEL);
@@ -391,10 +391,10 @@ wb_match(struct lm_softc *sc)
 	/* Read device/chip ID */
 	sc->lm_writereg(sc, WB_BANKSEL, WB_BANKSEL_B0);
 	devid = sc->lm_readreg(sc, LM_CHIPID);
-	chipid = sc->lm_readreg(sc, WB_BANK0_CHIPID);
+	sc->chipid = sc->lm_readreg(sc, WB_BANK0_CHIPID);
 	sc->lm_writereg(sc, WB_BANKSEL, banksel);
-	DPRINTF(("winbond chip id 0x%x\n", chipid));
-	switch(chipid) {
+	DPRINTF(("winbond chip id 0x%x\n", sc->chipid));
+	switch(sc->chipid) {
 	case WB_CHIPID_W83627HF:
 		printf(": W83627HF\n");
 		lm_setup_sensors(sc, w83627hf_sensors);
@@ -446,7 +446,7 @@ wb_match(struct lm_softc *sc)
 		}
 		break;
 	default:
-		printf(": unknown Winbond chip (ID 0x%x)\n", chipid);
+		printf(": unknown Winbond chip (ID 0x%x)\n", sc->chipid);
 		/* Handle as a standard LM78. */
 		lm_setup_sensors(sc, lm78_sensors);
 		sc->refresh_sensor_data = lm_refresh_sensor_data;
diff --git a/sys/dev/ic/lm78var.h b/sys/dev/ic/lm78var.h
index 862e7444e64..3eda4b42fb8 100644
--- a/sys/dev/ic/lm78var.h
+++ b/sys/dev/ic/lm78var.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: lm78var.h,v 1.2 2006/01/14 20:05:06 kettenis Exp $	*/
+/*	$OpenBSD: lm78var.h,v 1.3 2006/01/15 22:03:17 kettenis Exp $	*/
 
 /*
  * Copyright (c) 2005, 2006 Mark Kettenis
@@ -128,7 +128,7 @@ struct lm_sensor {
 };
 
 struct lm_softc {
-	struct	device sc_dev;
+	struct device sc_dev;
 
 	struct sensor sensors[WB_MAX_SENSORS];
 	struct lm_sensor *lm_sensors;
@@ -137,6 +137,9 @@ struct lm_softc {
 
 	u_int8_t (*lm_readreg)(struct lm_softc *, int);
 	void (*lm_writereg)(struct lm_softc *, int, int);
+
+	u_int8_t sbusaddr;
+	u_int8_t chipid;
 };
 
 void lm_attach(struct lm_softc *);
-- 
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