From a61a81967f57cb657dea9289a1b0810c668bf9ae Mon Sep 17 00:00:00 2001 From: Reinhard Meyer Date: Sun, 12 Sep 2010 16:23:49 +0200 Subject: NET: add ENC28J60 driver using SPI framework V3: further refinements: - use priv member instead of container method - allow setting of MAC address by write_hwaddr method - avoid shutting down link between commands Signed-off-by: Reinhard Meyer Signed-off-by: Ben Warren --- drivers/net/enc28j60.h | 251 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 251 insertions(+) create mode 100644 drivers/net/enc28j60.h (limited to 'drivers/net/enc28j60.h') diff --git a/drivers/net/enc28j60.h b/drivers/net/enc28j60.h new file mode 100644 index 00000000000..888c59903df --- /dev/null +++ b/drivers/net/enc28j60.h @@ -0,0 +1,251 @@ +/* + * (X) extracted from enc28j60.c + * Reinhard Meyer, EMK Elektronik, reinhard.meyer@emk-elektronik.de + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef _enc28j60_h +#define _enc28j60_h + +/* + * SPI Commands + * + * Bits 7-5: Command + * Bits 4-0: Register + */ +#define CMD_RCR(x) (0x00+((x)&0x1f)) /* Read Control Register */ +#define CMD_RBM 0x3a /* Read Buffer Memory */ +#define CMD_WCR(x) (0x40+((x)&0x1f)) /* Write Control Register */ +#define CMD_WBM 0x7a /* Write Buffer Memory */ +#define CMD_BFS(x) (0x80+((x)&0x1f)) /* Bit Field Set */ +#define CMD_BFC(x) (0xa0+((x)&0x1f)) /* Bit Field Clear */ +#define CMD_SRC 0xff /* System Reset Command */ + +/* NEW: encode (bank number+1) in upper byte */ + +/* Common Control Registers accessible in all Banks */ +#define CTL_REG_EIE 0x01B +#define CTL_REG_EIR 0x01C +#define CTL_REG_ESTAT 0x01D +#define CTL_REG_ECON2 0x01E +#define CTL_REG_ECON1 0x01F + +/* Control Registers accessible in Bank 0 */ +#define CTL_REG_ERDPTL 0x100 +#define CTL_REG_ERDPTH 0x101 +#define CTL_REG_EWRPTL 0x102 +#define CTL_REG_EWRPTH 0x103 +#define CTL_REG_ETXSTL 0x104 +#define CTL_REG_ETXSTH 0x105 +#define CTL_REG_ETXNDL 0x106 +#define CTL_REG_ETXNDH 0x107 +#define CTL_REG_ERXSTL 0x108 +#define CTL_REG_ERXSTH 0x109 +#define CTL_REG_ERXNDL 0x10A +#define CTL_REG_ERXNDH 0x10B +#define CTL_REG_ERXRDPTL 0x10C +#define CTL_REG_ERXRDPTH 0x10D +#define CTL_REG_ERXWRPTL 0x10E +#define CTL_REG_ERXWRPTH 0x10F +#define CTL_REG_EDMASTL 0x110 +#define CTL_REG_EDMASTH 0x111 +#define CTL_REG_EDMANDL 0x112 +#define CTL_REG_EDMANDH 0x113 +#define CTL_REG_EDMADSTL 0x114 +#define CTL_REG_EDMADSTH 0x115 +#define CTL_REG_EDMACSL 0x116 +#define CTL_REG_EDMACSH 0x117 + +/* Control Registers accessible in Bank 1 */ +#define CTL_REG_EHT0 0x200 +#define CTL_REG_EHT1 0x201 +#define CTL_REG_EHT2 0x202 +#define CTL_REG_EHT3 0x203 +#define CTL_REG_EHT4 0x204 +#define CTL_REG_EHT5 0x205 +#define CTL_REG_EHT6 0x206 +#define CTL_REG_EHT7 0x207 +#define CTL_REG_EPMM0 0x208 +#define CTL_REG_EPMM1 0x209 +#define CTL_REG_EPMM2 0x20A +#define CTL_REG_EPMM3 0x20B +#define CTL_REG_EPMM4 0x20C +#define CTL_REG_EPMM5 0x20D +#define CTL_REG_EPMM6 0x20E +#define CTL_REG_EPMM7 0x20F +#define CTL_REG_EPMCSL 0x210 +#define CTL_REG_EPMCSH 0x211 +#define CTL_REG_EPMOL 0x214 +#define CTL_REG_EPMOH 0x215 +#define CTL_REG_EWOLIE 0x216 +#define CTL_REG_EWOLIR 0x217 +#define CTL_REG_ERXFCON 0x218 +#define CTL_REG_EPKTCNT 0x219 + +/* Control Registers accessible in Bank 2 */ +#define CTL_REG_MACON1 0x300 +#define CTL_REG_MACON2 0x301 +#define CTL_REG_MACON3 0x302 +#define CTL_REG_MACON4 0x303 +#define CTL_REG_MABBIPG 0x304 +#define CTL_REG_MAIPGL 0x306 +#define CTL_REG_MAIPGH 0x307 +#define CTL_REG_MACLCON1 0x308 +#define CTL_REG_MACLCON2 0x309 +#define CTL_REG_MAMXFLL 0x30A +#define CTL_REG_MAMXFLH 0x30B +#define CTL_REG_MAPHSUP 0x30D +#define CTL_REG_MICON 0x311 +#define CTL_REG_MICMD 0x312 +#define CTL_REG_MIREGADR 0x314 +#define CTL_REG_MIWRL 0x316 +#define CTL_REG_MIWRH 0x317 +#define CTL_REG_MIRDL 0x318 +#define CTL_REG_MIRDH 0x319 + +/* Control Registers accessible in Bank 3 */ +#define CTL_REG_MAADR1 0x400 +#define CTL_REG_MAADR0 0x401 +#define CTL_REG_MAADR3 0x402 +#define CTL_REG_MAADR2 0x403 +#define CTL_REG_MAADR5 0x404 +#define CTL_REG_MAADR4 0x405 +#define CTL_REG_EBSTSD 0x406 +#define CTL_REG_EBSTCON 0x407 +#define CTL_REG_EBSTCSL 0x408 +#define CTL_REG_EBSTCSH 0x409 +#define CTL_REG_MISTAT 0x40A +#define CTL_REG_EREVID 0x412 +#define CTL_REG_ECOCON 0x415 +#define CTL_REG_EFLOCON 0x417 +#define CTL_REG_EPAUSL 0x418 +#define CTL_REG_EPAUSH 0x419 + +/* PHY Register */ +#define PHY_REG_PHCON1 0x00 +#define PHY_REG_PHSTAT1 0x01 +#define PHY_REG_PHID1 0x02 +#define PHY_REG_PHID2 0x03 +#define PHY_REG_PHCON2 0x10 +#define PHY_REG_PHSTAT2 0x11 +#define PHY_REG_PHLCON 0x14 + +/* Receive Filter Register (ERXFCON) bits */ +#define ENC_RFR_UCEN 0x80 +#define ENC_RFR_ANDOR 0x40 +#define ENC_RFR_CRCEN 0x20 +#define ENC_RFR_PMEN 0x10 +#define ENC_RFR_MPEN 0x08 +#define ENC_RFR_HTEN 0x04 +#define ENC_RFR_MCEN 0x02 +#define ENC_RFR_BCEN 0x01 + +/* ECON1 Register Bits */ +#define ENC_ECON1_TXRST 0x80 +#define ENC_ECON1_RXRST 0x40 +#define ENC_ECON1_DMAST 0x20 +#define ENC_ECON1_CSUMEN 0x10 +#define ENC_ECON1_TXRTS 0x08 +#define ENC_ECON1_RXEN 0x04 +#define ENC_ECON1_BSEL1 0x02 +#define ENC_ECON1_BSEL0 0x01 + +/* ECON2 Register Bits */ +#define ENC_ECON2_AUTOINC 0x80 +#define ENC_ECON2_PKTDEC 0x40 +#define ENC_ECON2_PWRSV 0x20 +#define ENC_ECON2_VRPS 0x08 + +/* EIR Register Bits */ +#define ENC_EIR_PKTIF 0x40 +#define ENC_EIR_DMAIF 0x20 +#define ENC_EIR_LINKIF 0x10 +#define ENC_EIR_TXIF 0x08 +#define ENC_EIR_WOLIF 0x04 +#define ENC_EIR_TXERIF 0x02 +#define ENC_EIR_RXERIF 0x01 + +/* ESTAT Register Bits */ +#define ENC_ESTAT_INT 0x80 +#define ENC_ESTAT_LATECOL 0x10 +#define ENC_ESTAT_RXBUSY 0x04 +#define ENC_ESTAT_TXABRT 0x02 +#define ENC_ESTAT_CLKRDY 0x01 + +/* EIE Register Bits */ +#define ENC_EIE_INTIE 0x80 +#define ENC_EIE_PKTIE 0x40 +#define ENC_EIE_DMAIE 0x20 +#define ENC_EIE_LINKIE 0x10 +#define ENC_EIE_TXIE 0x08 +#define ENC_EIE_WOLIE 0x04 +#define ENC_EIE_TXERIE 0x02 +#define ENC_EIE_RXERIE 0x01 + +/* MACON1 Register Bits */ +#define ENC_MACON1_LOOPBK 0x10 +#define ENC_MACON1_TXPAUS 0x08 +#define ENC_MACON1_RXPAUS 0x04 +#define ENC_MACON1_PASSALL 0x02 +#define ENC_MACON1_MARXEN 0x01 + +/* MACON2 Register Bits */ +#define ENC_MACON2_MARST 0x80 +#define ENC_MACON2_RNDRST 0x40 +#define ENC_MACON2_MARXRST 0x08 +#define ENC_MACON2_RFUNRST 0x04 +#define ENC_MACON2_MATXRST 0x02 +#define ENC_MACON2_TFUNRST 0x01 + +/* MACON3 Register Bits */ +#define ENC_MACON3_PADCFG2 0x80 +#define ENC_MACON3_PADCFG1 0x40 +#define ENC_MACON3_PADCFG0 0x20 +#define ENC_MACON3_TXCRCEN 0x10 +#define ENC_MACON3_PHDRLEN 0x08 +#define ENC_MACON3_HFRMEN 0x04 +#define ENC_MACON3_FRMLNEN 0x02 +#define ENC_MACON3_FULDPX 0x01 + +/* MACON4 Register Bits */ +#define ENC_MACON4_DEFER 0x40 + +/* MICMD Register Bits */ +#define ENC_MICMD_MIISCAN 0x02 +#define ENC_MICMD_MIIRD 0x01 + +/* MISTAT Register Bits */ +#define ENC_MISTAT_NVALID 0x04 +#define ENC_MISTAT_SCAN 0x02 +#define ENC_MISTAT_BUSY 0x01 + +/* PHID1 and PHID2 values */ +#define ENC_PHID1_VALUE 0x0083 +#define ENC_PHID2_VALUE 0x1400 +#define ENC_PHID2_MASK 0xFC00 + +/* PHCON1 values */ +#define ENC_PHCON1_PDPXMD 0x0100 + +/* PHSTAT1 values */ +#define ENC_PHSTAT1_LLSTAT 0x0004 + +/* PHSTAT2 values */ +#define ENC_PHSTAT2_LSTAT 0x0400 +#define ENC_PHSTAT2_DPXSTAT 0x0200 + +#endif -- cgit v1.2.3