Implement prism2 detection from NetBSD. This mostly obsoletes the

prism2 flag in pccard.conf, but I'm leaving it place for the moment in
case the small sample of PrismII cards that I've tried is not
representative.

MFC After: 30 days
Obtained from: NetBSD

2 files changed, 107 insertions, 27 deletions

diff --git a/sys/dev/wi/if_wi.c b/sys/dev/wi/if_wi.c
index a0a2414..1573f85 100644
--- a/sys/dev/wi/if_wi.c
+++ b/sys/dev/wi/if_wi.c
@@ -124,6 +124,13 @@ static const char rcsid[] =
 static u_int8_t	wi_mcast_addr[6] = { 0x01, 0x60, 0x1D, 0x00, 0x01, 0x00 };
 #endif
 
+/*
+ * The following is for compatibility with NetBSD, but should really be
+ * brought in from NetBSD en toto.
+ */
+#define le16toh(a)	(a)
+#define LE16TOH(a)
+
 static void wi_intr		__P((void *));
 static void wi_reset		__P((struct wi_softc *));
 static int wi_ioctl		__P((struct ifnet *, u_long, caddr_t));
@@ -170,6 +177,7 @@ static int wi_alloc		__P((device_t, int));
 static void wi_free		__P((device_t));
 
 static int wi_get_cur_ssid	__P((struct wi_softc *, char *, int *));
+static void wi_get_id		__P((struct wi_softc *, device_t));
 static int wi_media_change	__P((struct ifnet *));
 static void wi_media_status	__P((struct ifnet *, struct ifmediareq *));
 
@@ -350,33 +358,9 @@ static int wi_pccard_attach(device_t dev)
 {
 	struct wi_softc		*sc;
 	int			error;
-	u_int32_t		flags;
 
 	sc = device_get_softc(dev);
 
-	/*
-	 *	XXX: quick hack to support Prism II chip.
-	 *	Currently, we need to set a flags in pccard.conf to specify
-	 *	which type chip is used.
-	 *
-	 *	We need to replace this code in a future.
-	 *	It is better to use CIS than using a flag.
-	 */
-	flags = device_get_flags(dev);
-#define	WI_FLAGS_PRISM2	0x10000
-	if (flags & WI_FLAGS_PRISM2) {
-		sc->wi_prism2 = 1;
-		if (bootverbose) {
-			device_printf(dev, "found PrismII chip\n");
-		}
-	}
-	else {
-		sc->wi_prism2 = 0;
-		if (bootverbose) {
-			device_printf(dev, "found Lucent chip\n");
-		}
-	}
-
 	error = wi_alloc(dev, 0);
 	if (error) {
 		device_printf(dev, "wi_alloc() failed! (%d)\n", error);
@@ -510,8 +494,9 @@ wi_generic_attach(device_t dev)
 	bcopy((char *)&mac.wi_mac_addr,
 	   (char *)&sc->arpcom.ac_enaddr, ETHER_ADDR_LEN);
 
-	device_printf(dev, "Ethernet address: %6D\n",
-	    sc->arpcom.ac_enaddr, ":");
+	device_printf(dev, "802.11 address: %6D\n", sc->arpcom.ac_enaddr, ":");
+
+	wi_get_id(sc, dev);
 
 	ifp->if_softc = sc;
 	ifp->if_unit = sc->wi_unit;
@@ -611,6 +596,80 @@ wi_generic_attach(device_t dev)
 	return(0);
 }
 
+static void
+wi_get_id(sc, dev)
+	struct wi_softc *sc;
+	device_t dev;
+{
+	struct wi_ltv_ver       ver;
+
+	/* getting chip identity */
+	memset(&ver, 0, sizeof(ver));
+	ver.wi_type = WI_RID_CARDID;
+	ver.wi_len = 5;
+	wi_read_record(sc, (struct wi_ltv_gen *)&ver);
+	device_printf(dev, "using ");
+	switch (le16toh(ver.wi_ver[0])) {
+	case WI_NIC_EVB2:
+		printf("RF:PRISM2 MAC:HFA3841");
+		sc->wi_prism2 = 1;
+		break;
+	case WI_NIC_HWB3763:
+		printf("RF:PRISM2 MAC:HFA3841 CARD:HWB3763 rev.B");
+		sc->wi_prism2 = 1;
+		break;
+	case WI_NIC_HWB3163:
+		printf("RF:PRISM2 MAC:HFA3841 CARD:HWB3163 rev.A");
+		sc->wi_prism2 = 1;
+		break;
+	case WI_NIC_HWB3163B:
+		printf("RF:PRISM2 MAC:HFA3841 CARD:HWB3163 rev.B");
+		sc->wi_prism2 = 1;
+		break;
+	case WI_NIC_EVB3:
+		printf("RF:PRISM2 MAC:HFA3842");
+		sc->wi_prism2 = 1;
+		break;
+	case WI_NIC_HWB1153:
+		printf("RF:PRISM1 MAC:HFA3841 CARD:HWB1153");
+		sc->wi_prism2 = 1;
+		break;
+	case WI_NIC_P2_SST:
+		printf("RF:PRISM2 MAC:HFA3841 CARD:HWB3163-SST-flash");
+		sc->wi_prism2 = 1;
+		break;
+	case WI_NIC_PRISM2_5:
+		printf("RF:PRISM2.5 MAC:ISL3873");
+		sc->wi_prism2 = 1;
+		break;
+	case WI_NIC_3874A:
+		printf("RF:PRISM2.5 MAC:ISL3874A(PCI)");
+		sc->wi_prism2 = 1;
+		break;
+	default:
+		printf("Lucent chip or unknown chip\n");
+		sc->wi_prism2 = 0;
+		break;
+	}
+
+	if (sc->wi_prism2) {
+		/* try to get prism2 firm version */
+		memset(&ver, 0, sizeof(ver));
+		ver.wi_type = WI_RID_IDENT;
+		ver.wi_len = 5;
+		wi_read_record(sc, (struct wi_ltv_gen *)&ver);
+		LE16TOH(ver.wi_ver[1]);
+		LE16TOH(ver.wi_ver[2]);
+		LE16TOH(ver.wi_ver[3]);
+		printf(", Firmware: %i.%i variant %i\n", ver.wi_ver[2],
+		       ver.wi_ver[3], ver.wi_ver[1]);
+		sc->wi_prism2_ver = ver.wi_ver[2] * 100 +
+				    ver.wi_ver[3] *  10 + ver.wi_ver[1];
+	}
+
+	return;
+}
+
 static void wi_rxeof(sc)
 	struct wi_softc		*sc;
 {
diff --git a/sys/dev/wi/if_wireg.h b/sys/dev/wi/if_wireg.h
index 7602f69..bcb7368 100644
--- a/sys/dev/wi/if_wireg.h
+++ b/sys/dev/wi/if_wireg.h
@@ -135,7 +135,8 @@ struct wi_softc	{
 #endif
 	struct callout_handle	wi_stat_ch;
 	struct mtx		wi_mtx;
-	int			wi_prism2;	/* set to 1 if it uses a Prism II chip */
+	int			wi_prism2;
+	int			wi_prism2_ver;
 };
 
 #define	WI_LOCK(_sc)
@@ -444,6 +445,26 @@ struct wi_ltv_memsz {
 };
 
 /*
+ * NIC Identification (0xFD0B)
+ */
+#define WI_RID_CARDID		0xFD0B
+#define WI_RID_IDENT		0xFD20
+struct wi_ltv_ver {
+	u_int16_t		wi_len;
+	u_int16_t		wi_type;
+	u_int16_t		wi_ver[4];
+#define WI_NIC_EVB2	0x8000
+#define WI_NIC_HWB3763	0x8001
+#define WI_NIC_HWB3163	0x8002
+#define WI_NIC_HWB3163B	0x8003
+#define WI_NIC_EVB3	0x8004
+#define WI_NIC_HWB1153	0x8007
+#define WI_NIC_P2_SST	0x8008	/* Prism2 with SST flush */
+#define WI_NIC_PRISM2_5	0x800C
+#define WI_NIC_3874A	0x8013	/* Prism2.5 Mini-PCI */
+};
+
+/*
  * List of intended regulatory domains (0xFD11).
  */
 #define WI_RID_DOMAINS		0xFD11