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Diffstat (limited to 'sys/dev/pccard/if_xereg.h')
-rw-r--r--sys/dev/pccard/if_xereg.h146
1 files changed, 78 insertions, 68 deletions
diff --git a/sys/dev/pccard/if_xereg.h b/sys/dev/pccard/if_xereg.h
index 9dcdf31b15fd..07cb0b1bbb59 100644
--- a/sys/dev/pccard/if_xereg.h
+++ b/sys/dev/pccard/if_xereg.h
@@ -23,13 +23,13 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
- * $Id: if_xereg.h,v 1.2 1999/01/24 22:15:30 root Exp $
+ * $Id: if_xereg.h,v 1.3 1999/02/22 14:00:53 root Exp $
*/
/*
* Register definitions for Xircom CreditCard Ethernet adapters. See if_xe.c
* for details of supported hardware. Adapted from Werner Koch's 'xirc2ps'
- * driver for Linux.
+ * driver for Linux and the FreeBSD 'xl' driver (for the MII support).
*/
#include "xe.h"
@@ -199,88 +199,98 @@
*/
+
/*
- * MII/PHY defines adapted from the xl driver. These need cleaning up a
- * little if we end up using them.
+ * Definitions for the Micro Linear ML6692 100Base-TX PHY, which handles the
+ * 100Mbit functionality of CE3 type cards, including media autonegotiation.
+ * It appears to be mostly compatible with the National Semiconductor
+ * DP83840A, but with a much smaller register set. Please refer to the data
+ * sheets for these devices for the definitive word on what all this stuff
+ * means :)
+ *
+ * Note that the ML6692 has no 10Mbit capability -- that is handled by another
+ * chip that we don't know anything about.
+ *
+ * Most of these definitions were adapted from the xl driver.
+ */
+
+/*
+ * Masks for the MII-related bits in GPR2. For some reason read and write
+ * data are on separate bits.
*/
#define XE_MII_CLK 0x01
#define XE_MII_DIR 0x08
#define XE_MII_WRD 0x02
#define XE_MII_RDD 0x20
+
+/*
+ * MII command (etc) bit strings.
+ */
#define XE_MII_STARTDELIM 0x01
#define XE_MII_READOP 0x02
#define XE_MII_WRITEOP 0x01
#define XE_MII_TURNAROUND 0x02
-#define XE_MII_SET(x) XE_OUTB(XE_GPR2, (XE_INB(XE_GPR2) | 0x04) | (x))
-#define XE_MII_CLR(x) XE_OUTB(XE_GPR2, (XE_INB(XE_GPR2) | 0x04) & ~(x))
-
-#define XL_PHY_GENCTL 0x00
-#define XL_PHY_GENSTS 0x01
-#define XL_PHY_VENID 0x02
-#define XL_PHY_DEVID 0x03
-#define XL_PHY_ANAR 0x04
-#define XL_PHY_LPAR 0x05
-#define XL_PHY_ANER 0x06
-
-#define PHY_ANAR_NEXTPAGE 0x8000
-#define PHY_ANAR_RSVD0 0x4000
-#define PHY_ANAR_TLRFLT 0x2000
-#define PHY_ANAR_RSVD1 0x1000
-#define PHY_ANAR_RSVD2 0x0800
-#define PHY_ANAR_RSVD3 0x0400
-#define PHY_ANAR_100BT4 0x0200
-#define PHY_ANAR_100BTXFULL 0x0100
-#define PHY_ANAR_100BTXHALF 0x0080
-#define PHY_ANAR_10BTFULL 0x0040
-#define PHY_ANAR_10BTHALF 0x0020
-#define PHY_ANAR_PROTO4 0x0010
+/*
+ * PHY registers.
+ */
+#define PHY_BMCR 0x00 /* Basic Mode Control Register */
+#define PHY_BMSR 0x01 /* Basic Mode Status Register */
+#define PHY_ANAR 0x04 /* Auto-Negotiation Advertisment Register */
+#define PHY_LPAR 0x05 /* Auto-Negotiation Link Partner Ability Register */
+#define PHY_ANER 0x06 /* Auto-Negotiation Expansion Register */
+
+#define PHY_BMCR_RESET 0x8000 /* Soft reset PHY. Self-clearing */
+#define PHY_BMCR_LOOPBK 0x4000 /* Enable loopback */
+#define PHY_BMCR_SPEEDSEL 0x2000 /* 1=100Mbps, 0=10Mbps */
+#define PHY_BMCR_AUTONEGENBL 0x1000 /* Auto-negotiation enabled */
+#define PHY_BMCR_ISOLATE 0x0400 /* Isolate ML6692 from MII */
+#define PHY_BMCR_AUTONEGRSTR 0x0200 /* Restart auto-negotiation. Self-clearing */
+#define PHY_BMCR_DUPLEX 0x0100 /* Full duplex operation */
+#define PHY_BMCR_COLLTEST 0x0080 /* Enable collision test */
+
+#define PHY_BMSR_100BT4 0x8000 /* 100Base-T4 capable */
+#define PHY_BMSR_100BTXFULL 0x4000 /* 100Base-TX full duplex capable */
+#define PHY_BMSR_100BTXHALF 0x2000 /* 100Base-TX half duplex capable */
+#define PHY_BMSR_10BTFULL 0x1000 /* 10Base-T full duplex capable */
+#define PHY_BMSR_10BTHALF 0x0800 /* 10Base-T half duplex capable */
+#define PHY_BMSR_AUTONEGCOMP 0x0020 /* Auto-negotiation complete */
+#define PHY_BMSR_CANAUTONEG 0x0008 /* Auto-negotiation supported */
+#define PHY_BMSR_LINKSTAT 0x0004 /* Link is up */
+#define PHY_BMSR_EXTENDED 0x0001 /* Extended register capabilities */
+
+#define PHY_ANAR_NEXTPAGE 0x8000 /* Additional link code word pages */
+#define PHY_ANAR_TLRFLT 0x2000 /* Remote wire fault detected */
+#define PHY_ANAR_100BT4 0x0200 /* 100Base-T4 capable */
+#define PHY_ANAR_100BTXFULL 0x0100 /* 100Base-TX full duplex capable */
+#define PHY_ANAR_100BTXHALF 0x0080 /* 100Base-TX half duplex capable */
+#define PHY_ANAR_10BTFULL 0x0040 /* 10Base-T full duplex capable */
+#define PHY_ANAR_10BTHALF 0x0020 /* 10Base-T half duplex capable */
+#define PHY_ANAR_PROTO4 0x0010 /* Protocol selection (00001 = 802.3) */
#define PHY_ANAR_PROTO3 0x0008
#define PHY_ANAR_PROTO2 0x0004
#define PHY_ANAR_PROTO1 0x0002
#define PHY_ANAR_PROTO0 0x0001
-/*
- * PHY BMCR Basic Mode Control Register
- */
-#define PHY_BMCR 0x00
-#define PHY_BMCR_RESET 0x8000
-#define PHY_BMCR_LOOPBK 0x4000
-#define PHY_BMCR_SPEEDSEL 0x2000
-#define PHY_BMCR_AUTONEGENBL 0x1000
-#define PHY_BMCR_RSVD0 0x0800 /* write as zero */
-#define PHY_BMCR_ISOLATE 0x0400
-#define PHY_BMCR_AUTONEGRSTR 0x0200
-#define PHY_BMCR_DUPLEX 0x0100
-#define PHY_BMCR_COLLTEST 0x0080
-#define PHY_BMCR_RSVD1 0x0040 /* write as zero, don't care */
-#define PHY_BMCR_RSVD2 0x0020 /* write as zero, don't care */
-#define PHY_BMCR_RSVD3 0x0010 /* write as zero, don't care */
-#define PHY_BMCR_RSVD4 0x0008 /* write as zero, don't care */
-#define PHY_BMCR_RSVD5 0x0004 /* write as zero, don't care */
-#define PHY_BMCR_RSVD6 0x0002 /* write as zero, don't care */
-#define PHY_BMCR_RSVD7 0x0001 /* write as zero, don't care */
-
-/*
- * PHY, BMSR Basic Mode Status Register
- */
-#define PHY_BMSR 0x01
-#define PHY_BMSR_100BT4 0x8000
-#define PHY_BMSR_100BTXFULL 0x4000
-#define PHY_BMSR_100BTXHALF 0x2000
-#define PHY_BMSR_10BTFULL 0x1000
-#define PHY_BMSR_10BTHALF 0x0800
-#define PHY_BMSR_RSVD1 0x0400 /* write as zero, don't care */
-#define PHY_BMSR_RSVD2 0x0200 /* write as zero, don't care */
-#define PHY_BMSR_RSVD3 0x0100 /* write as zero, don't care */
-#define PHY_BMSR_RSVD4 0x0080 /* write as zero, don't care */
-#define PHY_BMSR_MFPRESUP 0x0040
-#define PHY_BMSR_AUTONEGCOMP 0x0020
-#define PHY_BMSR_REMFAULT 0x0010
-#define PHY_BMSR_CANAUTONEG 0x0008
-#define PHY_BMSR_LINKSTAT 0x0004
-#define PHY_BMSR_JABBER 0x0002
-#define PHY_BMSR_EXTENDED 0x0001
+#define PHY_LPAR_NEXTPAGE 0x8000 /* Additional link code word pages */
+#define PHY_LPAR_LPACK 0x4000 /* Link partner acknowledged receipt */
+#define PHY_LPAR_TLRFLT 0x2000 /* Remote wire fault detected */
+#define PHY_LPAR_100BT4 0x0200 /* 100Base-T4 capable */
+#define PHY_LPAR_100BTXFULL 0x0100 /* 100Base-TX full duplex capable */
+#define PHY_LPAR_100BTXHALF 0x0080 /* 100Base-TX half duplex capable */
+#define PHY_LPAR_10BTFULL 0x0040 /* 10Base-T full duplex capable */
+#define PHY_LPAR_10BTHALF 0x0020 /* 10Base-T half duplex capable */
+#define PHY_LPAR_PROTO4 0x0010 /* Protocol selection (00001 = 802.3) */
+#define PHY_LPAR_PROTO3 0x0008
+#define PHY_LPAR_PROTO2 0x0004
+#define PHY_LPAR_PROTO1 0x0002
+#define PHY_LPAR_PROTO0 0x0001
+
+#define PHY_ANER_MLFAULT 0x0010 /* More than one link is up! */
+#define PHY_ANER_LPNPABLE 0x0008 /* Link partner supports next page */
+#define PHY_ANER_NPABLE 0x0004 /* Local port supports next page */
+#define PHY_ANER_PAGERX 0x0002 /* Page received */
+#define PHY_ANER_LPAUTONEG 0x0001 /* Link partner can auto-negotiate */
#endif /* NXE > 0 */