/* Copyright (C) 2004 - 2006 rt2x00 SourceForge Project <http://rt2x00.serialmonkey.com> 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. */ /* Module: eeprom_93cx6 Abstract: EEPROM reader datastructures for 93cx6 chipsets. Supported chipsets: 93c46, 93c56 and 93c66. */ /* * EEPROM operation defines. */ #define PCI_EEPROM_WIDTH_93C46 6 #define PCI_EEPROM_WIDTH_93C56 8 #define PCI_EEPROM_WIDTH_93C66 8 #define PCI_EEPROM_WIDTH_OPCODE 3 #define PCI_EEPROM_WRITE_OPCODE 0x05 #define PCI_EEPROM_READ_OPCODE 0x06 #define PCI_EEPROM_EWDS_OPCODE 0x10 #define PCI_EEPROM_EWEN_OPCODE 0x13 /** * 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 * @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 { void *data; void (*register_read)(struct eeprom_93cx6 *eeprom); void (*register_write)(struct eeprom_93cx6 *eeprom); int width; char reg_data_in; char reg_data_out; char reg_data_clock; char reg_chip_select; }; 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);