diff options
Diffstat (limited to 'drivers/net/ethernet/davicom/dm9051.h')
| -rw-r--r-- | drivers/net/ethernet/davicom/dm9051.h | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/drivers/net/ethernet/davicom/dm9051.h b/drivers/net/ethernet/davicom/dm9051.h new file mode 100644 index 000000000..fef3120ed --- /dev/null +++ b/drivers/net/ethernet/davicom/dm9051.h @@ -0,0 +1,162 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2022 Davicom Semiconductor,Inc. + * Davicom DM9051 SPI Fast Ethernet Linux driver + */ + +#ifndef _DM9051_H_ +#define _DM9051_H_ + +#include <linux/bits.h> +#include <linux/netdevice.h> +#include <linux/types.h> + +#define DM9051_ID 0x9051 + +#define DM9051_NCR 0x00 +#define DM9051_NSR 0x01 +#define DM9051_TCR 0x02 +#define DM9051_RCR 0x05 +#define DM9051_BPTR 0x08 +#define DM9051_FCR 0x0A +#define DM9051_EPCR 0x0B +#define DM9051_EPAR 0x0C +#define DM9051_EPDRL 0x0D +#define DM9051_EPDRH 0x0E +#define DM9051_PAR 0x10 +#define DM9051_MAR 0x16 +#define DM9051_GPCR 0x1E +#define DM9051_GPR 0x1F + +#define DM9051_VIDL 0x28 +#define DM9051_VIDH 0x29 +#define DM9051_PIDL 0x2A +#define DM9051_PIDH 0x2B +#define DM9051_SMCR 0x2F +#define DM9051_ATCR 0x30 +#define DM9051_SPIBCR 0x38 +#define DM9051_INTCR 0x39 +#define DM9051_PPCR 0x3D + +#define DM9051_MPCR 0x55 +#define DM9051_LMCR 0x57 +#define DM9051_MBNDRY 0x5E + +#define DM9051_MRRL 0x74 +#define DM9051_MRRH 0x75 +#define DM9051_MWRL 0x7A +#define DM9051_MWRH 0x7B +#define DM9051_TXPLL 0x7C +#define DM9051_TXPLH 0x7D +#define DM9051_ISR 0x7E +#define DM9051_IMR 0x7F + +#define DM_SPI_MRCMDX 0x70 +#define DM_SPI_MRCMD 0x72 +#define DM_SPI_MWCMD 0x78 + +#define DM_SPI_WR 0x80 + +/* dm9051 Ethernet controller registers bits + */ +/* 0x00 */ +#define NCR_WAKEEN BIT(6) +#define NCR_FDX BIT(3) +#define NCR_RST BIT(0) +/* 0x01 */ +#define NSR_SPEED BIT(7) +#define NSR_LINKST BIT(6) +#define NSR_WAKEST BIT(5) +#define NSR_TX2END BIT(3) +#define NSR_TX1END BIT(2) +/* 0x02 */ +#define TCR_DIS_JABBER_TIMER BIT(6) /* for Jabber Packet support */ +#define TCR_TXREQ BIT(0) +/* 0x05 */ +#define RCR_DIS_WATCHDOG_TIMER BIT(6) /* for Jabber Packet support */ +#define RCR_DIS_LONG BIT(5) +#define RCR_DIS_CRC BIT(4) +#define RCR_ALL BIT(3) +#define RCR_PRMSC BIT(1) +#define RCR_RXEN BIT(0) +#define RCR_RX_DISABLE (RCR_DIS_LONG | RCR_DIS_CRC) +/* 0x06 */ +#define RSR_RF BIT(7) +#define RSR_MF BIT(6) +#define RSR_LCS BIT(5) +#define RSR_RWTO BIT(4) +#define RSR_PLE BIT(3) +#define RSR_AE BIT(2) +#define RSR_CE BIT(1) +#define RSR_FOE BIT(0) +#define RSR_ERR_BITS (RSR_RF | RSR_LCS | RSR_RWTO | RSR_PLE | \ + RSR_AE | RSR_CE | RSR_FOE) +/* 0x0A */ +#define FCR_TXPEN BIT(5) +#define FCR_BKPM BIT(3) +#define FCR_FLCE BIT(0) +#define FCR_RXTX_BITS (FCR_TXPEN | FCR_BKPM | FCR_FLCE) +/* 0x0B */ +#define EPCR_WEP BIT(4) +#define EPCR_EPOS BIT(3) +#define EPCR_ERPRR BIT(2) +#define EPCR_ERPRW BIT(1) +#define EPCR_ERRE BIT(0) +/* 0x1E */ +#define GPCR_GEP_CNTL BIT(0) +/* 0x1F */ +#define GPR_PHY_OFF BIT(0) +/* 0x30 */ +#define ATCR_AUTO_TX BIT(7) +/* 0x39 */ +#define INTCR_POL_LOW (1 << 0) +#define INTCR_POL_HIGH (0 << 0) +/* 0x3D */ +/* Pause Packet Control Register - default = 1 */ +#define PPCR_PAUSE_COUNT 0x08 +/* 0x55 */ +#define MPCR_RSTTX BIT(1) +#define MPCR_RSTRX BIT(0) +/* 0x57 */ +/* LEDMode Control Register - LEDMode1 */ +/* Value 0x81 : bit[7] = 1, bit[2] = 0, bit[1:0] = 01b */ +#define LMCR_NEWMOD BIT(7) +#define LMCR_TYPED1 BIT(1) +#define LMCR_TYPED0 BIT(0) +#define LMCR_MODE1 (LMCR_NEWMOD | LMCR_TYPED0) +/* 0x5E */ +#define MBNDRY_BYTE BIT(7) +/* 0xFE */ +#define ISR_MBS BIT(7) +#define ISR_LNKCHG BIT(5) +#define ISR_ROOS BIT(3) +#define ISR_ROS BIT(2) +#define ISR_PTS BIT(1) +#define ISR_PRS BIT(0) +#define ISR_CLR_INT (ISR_LNKCHG | ISR_ROOS | ISR_ROS | \ + ISR_PTS | ISR_PRS) +#define ISR_STOP_MRCMD (ISR_MBS) +/* 0xFF */ +#define IMR_PAR BIT(7) +#define IMR_LNKCHGI BIT(5) +#define IMR_PTM BIT(1) +#define IMR_PRM BIT(0) + +/* Const + */ +#define DM9051_PHY_ADDR 1 /* PHY id */ +#define DM9051_PHY 0x40 /* PHY address 0x01 */ +#define DM9051_PKT_RDY 0x01 /* Packet ready to receive */ +#define DM9051_PKT_MAX 1536 /* Received packet max size */ +#define DM9051_TX_QUE_HI_WATER 50 +#define DM9051_TX_QUE_LO_WATER 25 +#define DM_EEPROM_MAGIC 0x9051 + +#define DM_RXHDR_SIZE sizeof(struct dm9051_rxhdr) + +static inline struct board_info *to_dm9051_board(struct net_device *ndev) +{ + return netdev_priv(ndev); +} + +#endif /* _DM9051_H_ */ |