drivers/staging/rts_pstor/spi.h

   1 /* Driver for Realtek PCI-Express card reader
   2  * Header file
   3  *
   4  * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by the
   8  * Free Software Foundation; either version 2, or (at your option) any
   9  * later version.
  10  *
  11  * This program is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, see <http://www.gnu.org/licenses/>.
  18  *
  19  * Author:
  20  *   wwang (wei_wang@realsil.com.cn)
  21  *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
  22  */
  23
  24 #ifndef __REALTEK_RTSX_SPI_H
  25 #define __REALTEK_RTSX_SPI_H
  26
  27 /* SPI operation error */
  28 #define SPI_NO_ERR              0x00
  29 #define SPI_HW_ERR              0x01
  30 #define SPI_INVALID_COMMAND     0x02
  31 #define SPI_READ_ERR            0x03
  32 #define SPI_WRITE_ERR           0x04
  33 #define SPI_ERASE_ERR           0x05
  34 #define SPI_BUSY_ERR            0x06
  35
  36 /* Serial flash instruction */
  37 #define SPI_READ                0x03
  38 #define SPI_FAST_READ           0x0B
  39 #define SPI_WREN                0x06
  40 #define SPI_WRDI                0x04
  41 #define SPI_RDSR                0x05
  42
  43 #define SF_PAGE_LEN             256
  44
  45 #define BYTE_PROGRAM            0
  46 #define AAI_PROGRAM             1
  47 #define PAGE_PROGRAM            2
  48
  49 #define PAGE_ERASE              0
  50 #define CHIP_ERASE              1
  51
  52 int spi_erase_eeprom_chip(struct rtsx_chip *chip);
  53 int spi_erase_eeprom_byte(struct rtsx_chip *chip, u16 addr);
  54 int spi_read_eeprom(struct rtsx_chip *chip, u16 addr, u8 *val);
  55 int spi_write_eeprom(struct rtsx_chip *chip, u16 addr, u8 val);
  56 int spi_get_status(struct scsi_cmnd *srb, struct rtsx_chip *chip);
  57 int spi_set_parameter(struct scsi_cmnd *srb, struct rtsx_chip *chip);
  58 int spi_read_flash_id(struct scsi_cmnd *srb, struct rtsx_chip *chip);
  59 int spi_read_flash(struct scsi_cmnd *srb, struct rtsx_chip *chip);
  60 int spi_write_flash(struct scsi_cmnd *srb, struct rtsx_chip *chip);
  61 int spi_erase_flash(struct scsi_cmnd *srb, struct rtsx_chip *chip);
  62 int spi_write_flash_status(struct scsi_cmnd *srb, struct rtsx_chip *chip);
  63
  64
  65 #endif  /* __REALTEK_RTSX_SPI_H */