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+/*
+ * NOTE: DAVICOM ethernet Physical layer
+ *
+ * Version: @(#)DM9161.h 1.0.0 01/10/2001
+ *
+ * Authors: ATMEL Rousset
+ *
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+
+// DAVICOM PHYSICAL LAYER TRANSCEIVER DM9161
+
+#define DM9161_BMCR 0 // Basic Mode Control Register
+#define DM9161_BMSR 1 // Basic Mode Status Register
+#define DM9161_PHYID1 2 // PHY Idendifier Register 1
+#define DM9161_PHYID2 3 // PHY Idendifier Register 2
+#define DM9161_ANAR 4 // Auto_Negotiation Advertisement Register
+#define DM9161_ANLPAR 5 // Auto_negotiation Link Partner Ability Register
+#define DM9161_ANER 6 // Auto-negotiation Expansion Register
+#define DM9161_DSCR 16 // Specified Configuration Register
+#define DM9161_DSCSR 17 // Specified Configuration and Status Register
+#define DM9161_10BTCSR 18 // 10BASE-T Configuration and Satus Register
+#define DM9161_MDINTR 21 // Specified Interrupt Register
+#define DM9161_RECR 22 // Specified Receive Error Counter Register
+#define DM9161_DISCR 23 // Specified Disconnect Counter Register
+#define DM9161_RLSR 24 // Hardware Reset Latch State Register
+
+
+// --Bit definitions: DM9161_BMCR
+#define DM9161_RESET (1 << 15) // 1= Software Reset; 0=Normal Operation
+#define DM9161_LOOPBACK (1 << 14) // 1=loopback Enabled; 0=Normal Operation
+#define DM9161_SPEED_SELECT (1 << 13) // 1=100Mbps; 0=10Mbps
+#define DM9161_AUTONEG (1 << 12)
+#define DM9161_POWER_DOWN (1 << 11)
+#define DM9161_ISOLATE (1 << 10)
+#define DM9161_RESTART_AUTONEG (1 << 9)
+#define DM9161_DUPLEX_MODE (1 << 8)
+#define DM9161_COLLISION_TEST (1 << 7)
+
+//--Bit definitions: DM9161_BMSR
+#define DM9161_100BASE_T4 (1 << 15)
+#define DM9161_100BASE_TX_FD (1 << 14)
+#define DM9161_100BASE_T4_HD (1 << 13)
+#define DM9161_10BASE_T_FD (1 << 12)
+#define DM9161_10BASE_T_HD (1 << 11)
+#define DM9161_MF_PREAMB_SUPPR (1 << 6)
+#define DM9161_AUTONEG_COMP (1 << 5)
+#define DM9161_REMOTE_FAULT (1 << 4)
+#define DM9161_AUTONEG_ABILITY (1 << 3)
+#define DM9161_LINK_STATUS (1 << 2)
+#define DM9161_JABBER_DETECT (1 << 1)
+#define DM9161_EXTEND_CAPAB (1 << 0)
+
+//--definitions: DM9161_PHYID1
+#define DM9161_PHYID1_OUI 0x606E
+#define DM9161_LSB_MASK 0x3F
+
+//--Bit definitions: DM9161_ANAR, DM9161_ANLPAR
+#define DM9161_NP (1 << 15)
+#define DM9161_ACK (1 << 14)
+#define DM9161_RF (1 << 13)
+#define DM9161_FCS (1 << 10)
+#define DM9161_T4 (1 << 9)
+#define DM9161_TX_FDX (1 << 8)
+#define DM9161_TX_HDX (1 << 7)
+#define DM9161_10_FDX (1 << 6)
+#define DM9161_10_HDX (1 << 5)
+#define DM9161_AN_IEEE_802_3 0x0001
+
+//--Bit definitions: DM9161_ANER
+#define DM9161_PDF (1 << 4)
+#define DM9161_LP_NP_ABLE (1 << 3)
+#define DM9161_NP_ABLE (1 << 2)
+#define DM9161_PAGE_RX (1 << 1)
+#define DM9161_LP_AN_ABLE (1 << 0)
+
+//--Bit definitions: DM9161_DSCR
+#define DM9161_BP4B5B (1 << 15)
+#define DM9161_BP_SCR (1 << 14)
+#define DM9161_BP_ALIGN (1 << 13)
+#define DM9161_BP_ADPOK (1 << 12)
+#define DM9161_REPEATER (1 << 11)
+#define DM9161_TX (1 << 10)
+#define DM9161_RMII_ENABLE (1 << 8)
+#define DM9161_F_LINK_100 (1 << 7)
+#define DM9161_SPLED_CTL (1 << 6)
+#define DM9161_COLLED_CTL (1 << 5)
+#define DM9161_RPDCTR_EN (1 << 4)
+#define DM9161_SM_RST (1 << 3)
+#define DM9161_MFP SC (1 << 2)
+#define DM9161_SLEEP (1 << 1)
+#define DM9161_RLOUT (1 << 0)
+
+//--Bit definitions: DM9161_DSCSR
+#define DM9161_100FDX (1 << 15)
+#define DM9161_100HDX (1 << 14)
+#define DM9161_10FDX (1 << 13)
+#define DM9161_10HDX (1 << 12)
+
+//--Bit definitions: DM9161_10BTCSR
+#define DM9161_LP_EN (1 << 14)
+#define DM9161_HBE (1 << 13)
+#define DM9161_SQUELCH (1 << 12)
+#define DM9161_JABEN (1 << 11)
+#define DM9161_10BT_SER (1 << 10)
+#define DM9161_POLR (1 << 0)
+
+
+//--Bit definitions: DM9161_MDINTR
+#define DM9161_INTR_PEND (1 << 15)
+#define DM9161_FDX_MASK (1 << 11)
+#define DM9161_SPD_MASK (1 << 10)
+#define DM9161_LINK_MASK (1 << 9)
+#define DM9161_INTR_MASK (1 << 8)
+#define DM9161_FDX_CHANGE (1 << 4)
+#define DM9161_SPD_CHANGE (1 << 3)
+#define DM9161_LINK_CHANGE (1 << 2)
+#define DM9161_INTR_STATUS (1 << 0)
+
+
+/****************** function prototypes **********************/
+static unsigned int dm9161_IsPhyConnected(AT91PS_EMAC p_mac);
+static unsigned char dm9161_GetLinkSpeed(AT91PS_EMAC p_mac);
+static unsigned char dm9161_AutoNegotiate(AT91PS_EMAC p_mac, int *status);
+static unsigned char dm9161_InitPhy(AT91PS_EMAC p_mac);