/* SPDX-License-Identifier: GPL-2.0-or-later */ /* Copyright (C) 2004 - 2006 rt2x00 SourceForge Project <http://rt2x00.serialmonkey.com> */ /* Module: eeprom_93cx6 Abstract: EEPROM reader datastructures for 93cx6 chipsets. Supported chipsets: 93c46, 93c56 and 93c66. */ /* * EEPROM operation defines. */ #define PCI_EEPROM_WIDTH_93C46 … #define PCI_EEPROM_WIDTH_93C56 … #define PCI_EEPROM_WIDTH_93C66 … #define PCI_EEPROM_WIDTH_93C86 … #define PCI_EEPROM_WIDTH_OPCODE … #define PCI_EEPROM_WRITE_OPCODE … #define PCI_EEPROM_ERASE_OPCODE … #define PCI_EEPROM_READ_OPCODE … #define PCI_EEPROM_EWDS_OPCODE … #define PCI_EEPROM_EWEN_OPCODE … /** * struct eeprom_93cx6 - control structure for setting the commands * for reading the eeprom data. * @data: private pointer for the driver. * @register_read(struct eeprom_93cx6 *eeprom): handler to * read the eeprom register, this function should set all reg_* fields. * @register_write(struct eeprom_93cx6 *eeprom): handler to * write to the eeprom register by using all reg_* fields. * @width: eeprom width, should be one of the PCI_EEPROM_WIDTH_* defines * @drive_data: Set if we're driving the data line. * @reg_data_in: register field to indicate data input * @reg_data_out: register field to indicate data output * @reg_data_clock: register field to set the data clock * @reg_chip_select: register field to set the chip select * * This structure is used for the communication between the driver * and the eeprom_93cx6 handlers for reading the eeprom. */ struct eeprom_93cx6 { … }; extern void eeprom_93cx6_read(struct eeprom_93cx6 *eeprom, const u8 word, u16 *data); extern void eeprom_93cx6_multiread(struct eeprom_93cx6 *eeprom, const u8 word, __le16 *data, const u16 words); extern void eeprom_93cx6_readb(struct eeprom_93cx6 *eeprom, const u8 byte, u8 *data); extern void eeprom_93cx6_multireadb(struct eeprom_93cx6 *eeprom, const u8 byte, u8 *data, const u16 bytes); extern void eeprom_93cx6_wren(struct eeprom_93cx6 *eeprom, bool enable); extern void eeprom_93cx6_write(struct eeprom_93cx6 *eeprom, u8 addr, u16 data);
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