1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Driver for Realtek PCI-Express card reader
4  *
5  * Copyright(c) 2009-2013 Realtek Semiconductor Corp. All rights reserved.
6  *
7  * Author:
8  *   Wei WANG (wei_wang@realsil.com.cn)
9  *   Micky Ching (micky_ching@realsil.com.cn)
10  */
11 
12 #ifndef __REALTEK_RTSX_SPI_H
13 #define __REALTEK_RTSX_SPI_H
14 
15 /* SPI operation error */
16 #define SPI_NO_ERR		0x00
17 #define SPI_HW_ERR		0x01
18 #define SPI_INVALID_COMMAND	0x02
19 #define SPI_READ_ERR		0x03
20 #define SPI_WRITE_ERR		0x04
21 #define SPI_ERASE_ERR		0x05
22 #define SPI_BUSY_ERR		0x06
23 
24 /* Serial flash instruction */
25 #define SPI_READ		0x03
26 #define SPI_FAST_READ		0x0B
27 #define SPI_WREN		0x06
28 #define SPI_WRDI		0x04
29 #define SPI_RDSR		0x05
30 
31 #define SF_PAGE_LEN		256
32 
33 #define BYTE_PROGRAM		0
34 #define AAI_PROGRAM		1
35 #define PAGE_PROGRAM		2
36 
37 #define PAGE_ERASE		0
38 #define CHIP_ERASE		1
39 
40 int spi_erase_eeprom_chip(struct rtsx_chip *chip);
41 int spi_erase_eeprom_byte(struct rtsx_chip *chip, u16 addr);
42 int spi_read_eeprom(struct rtsx_chip *chip, u16 addr, u8 *val);
43 int spi_write_eeprom(struct rtsx_chip *chip, u16 addr, u8 val);
44 int spi_get_status(struct scsi_cmnd *srb, struct rtsx_chip *chip);
45 int spi_set_parameter(struct scsi_cmnd *srb, struct rtsx_chip *chip);
46 int spi_read_flash_id(struct scsi_cmnd *srb, struct rtsx_chip *chip);
47 int spi_read_flash(struct scsi_cmnd *srb, struct rtsx_chip *chip);
48 int spi_write_flash(struct scsi_cmnd *srb, struct rtsx_chip *chip);
49 int spi_erase_flash(struct scsi_cmnd *srb, struct rtsx_chip *chip);
50 int spi_write_flash_status(struct scsi_cmnd *srb, struct rtsx_chip *chip);
51 
52 #endif  /* __REALTEK_RTSX_SPI_H */
53