xref: /openbmc/linux/drivers/net/wireless/ti/wl1251/spi.h (revision 7f877908)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * This file is part of wl1251
4  *
5  * Copyright (c) 1998-2007 Texas Instruments Incorporated
6  * Copyright (C) 2008 Nokia Corporation
7  */
8 
9 #ifndef __WL1251_SPI_H__
10 #define __WL1251_SPI_H__
11 
12 #include "cmd.h"
13 #include "acx.h"
14 #include "reg.h"
15 
16 #define WSPI_CMD_READ                 0x40000000
17 #define WSPI_CMD_WRITE                0x00000000
18 #define WSPI_CMD_FIXED                0x20000000
19 #define WSPI_CMD_BYTE_LENGTH          0x1FFE0000
20 #define WSPI_CMD_BYTE_LENGTH_OFFSET   17
21 #define WSPI_CMD_BYTE_ADDR            0x0001FFFF
22 
23 #define WSPI_INIT_CMD_CRC_LEN       5
24 
25 #define WSPI_INIT_CMD_START         0x00
26 #define WSPI_INIT_CMD_TX            0x40
27 /* the extra bypass bit is sampled by the TNET as '1' */
28 #define WSPI_INIT_CMD_BYPASS_BIT    0x80
29 #define WSPI_INIT_CMD_FIXEDBUSY_LEN 0x07
30 #define WSPI_INIT_CMD_EN_FIXEDBUSY  0x80
31 #define WSPI_INIT_CMD_DIS_FIXEDBUSY 0x00
32 #define WSPI_INIT_CMD_IOD           0x40
33 #define WSPI_INIT_CMD_IP            0x20
34 #define WSPI_INIT_CMD_CS            0x10
35 #define WSPI_INIT_CMD_WS            0x08
36 #define WSPI_INIT_CMD_WSPI          0x01
37 #define WSPI_INIT_CMD_END           0x01
38 
39 #define WSPI_INIT_CMD_LEN           8
40 
41 #define HW_ACCESS_WSPI_FIXED_BUSY_LEN \
42 		((WL1251_BUSY_WORD_LEN - 4) / sizeof(u32))
43 #define HW_ACCESS_WSPI_INIT_CMD_MASK  0
44 
45 #endif /* __WL1251_SPI_H__ */
46