/* SPDX-License-Identifier: GPL-2.0 */ /* Linux header file for the ATP pocket ethernet adapter. */ /* v1.09 8/9/2000 [email protected]. */ #include <linux/if_ether.h> #include <linux/types.h> /* The header prepended to received packets. */ struct rx_header { … }; #define PAR_DATA … #define PAR_STATUS … #define PAR_CONTROL … #define Ctrl_LNibRead … #define Ctrl_HNibRead … #define Ctrl_LNibWrite … #define Ctrl_HNibWrite … #define Ctrl_SelData … #define Ctrl_IRQEN … #define EOW … #define EOC … #define WrAddr … #define RdAddr … #define HNib … enum page0_regs { … }; enum eepage_regs { … }; #define ISR_TxOK … #define ISR_RxOK … #define ISR_TxErr … #define ISRh_RxErr … #define CMR1h_MUX … #define CMR1h_RESET … #define CMR1h_RxENABLE … #define CMR1h_TxENABLE … #define CMR1h_TxRxOFF … #define CMR1_ReXmit … #define CMR1_Xmit … #define CMR1_IRQ … #define CMR1_BufEnb … #define CMR1_NextPkt … #define CMR2_NULL … #define CMR2_IRQOUT … #define CMR2_RAMTEST … #define CMR2_EEPROM … #define CMR2h_OFF … #define CMR2h_Physical … #define CMR2h_Normal … #define CMR2h_PROMISC … /* An inline function used below: it differs from inb() by explicitly * return an unsigned char, saving a truncation. */ static inline unsigned char inbyte(unsigned short port) { … } /* Read register OFFSET. * This command should always be terminated with read_end(). */ static inline unsigned char read_nibble(short port, unsigned char offset) { … } /* Functions for bulk data read. The interrupt line is always disabled. */ /* Get a byte using read mode 0, reading data from the control lines. */ static inline unsigned char read_byte_mode0(short ioaddr) { … } /* The same as read_byte_mode0(), but does multiple inb()s for stability. */ static inline unsigned char read_byte_mode2(short ioaddr) { … } /* Read a byte through the data register. */ static inline unsigned char read_byte_mode4(short ioaddr) { … } /* Read a byte through the data register, double reading to allow settling. */ static inline unsigned char read_byte_mode6(short ioaddr) { … } static inline void write_reg(short port, unsigned char reg, unsigned char value) { … } static inline void write_reg_high(short port, unsigned char reg, unsigned char value) { … } /* Write a byte out using nibble mode. The low nibble is written first. */ static inline void write_reg_byte(short port, unsigned char reg, unsigned char value) { … } /* Bulk data writes to the packet buffer. The interrupt line remains enabled. * The first, faster method uses only the dataport (data modes 0, 2 & 4). * The second (backup) method uses data and control regs (modes 1, 3 & 5). * It should only be needed when there is skew between the individual data * lines. */ static inline void write_byte_mode0(short ioaddr, unsigned char value) { … } static inline void write_byte_mode1(short ioaddr, unsigned char value) { … } /* Write 16bit VALUE to the packet buffer: the same as above just doubled. */ static inline void write_word_mode0(short ioaddr, unsigned short value) { … } /* EEPROM_Ctrl bits. */ #define EE_SHIFT_CLK … #define EE_CS … #define EE_CLK_HIGH … #define EE_CLK_LOW … #define EE_DATA_WRITE … #define EE_DATA_READ … /* The EEPROM commands include the alway-set leading bit. */ #define EE_WRITE_CMD(offset) … #define EE_READ(offset) … #define EE_ERASE(offset) … #define EE_CMD_SIZE …
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