xref: /openbmc/linux/drivers/net/wireless/ti/wl1251/spi.h (revision 95e9fd10)
1 /*
2  * This file is part of wl1251
3  *
4  * Copyright (c) 1998-2007 Texas Instruments Incorporated
5  * Copyright (C) 2008 Nokia Corporation
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License
9  * version 2 as published by the Free Software Foundation.
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
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
19  * 02110-1301 USA
20  *
21  */
22 
23 #ifndef __WL1251_SPI_H__
24 #define __WL1251_SPI_H__
25 
26 #include "cmd.h"
27 #include "acx.h"
28 #include "reg.h"
29 
30 #define WSPI_CMD_READ                 0x40000000
31 #define WSPI_CMD_WRITE                0x00000000
32 #define WSPI_CMD_FIXED                0x20000000
33 #define WSPI_CMD_BYTE_LENGTH          0x1FFE0000
34 #define WSPI_CMD_BYTE_LENGTH_OFFSET   17
35 #define WSPI_CMD_BYTE_ADDR            0x0001FFFF
36 
37 #define WSPI_INIT_CMD_CRC_LEN       5
38 
39 #define WSPI_INIT_CMD_START         0x00
40 #define WSPI_INIT_CMD_TX            0x40
41 /* the extra bypass bit is sampled by the TNET as '1' */
42 #define WSPI_INIT_CMD_BYPASS_BIT    0x80
43 #define WSPI_INIT_CMD_FIXEDBUSY_LEN 0x07
44 #define WSPI_INIT_CMD_EN_FIXEDBUSY  0x80
45 #define WSPI_INIT_CMD_DIS_FIXEDBUSY 0x00
46 #define WSPI_INIT_CMD_IOD           0x40
47 #define WSPI_INIT_CMD_IP            0x20
48 #define WSPI_INIT_CMD_CS            0x10
49 #define WSPI_INIT_CMD_WS            0x08
50 #define WSPI_INIT_CMD_WSPI          0x01
51 #define WSPI_INIT_CMD_END           0x01
52 
53 #define WSPI_INIT_CMD_LEN           8
54 
55 #define HW_ACCESS_WSPI_FIXED_BUSY_LEN \
56 		((WL1251_BUSY_WORD_LEN - 4) / sizeof(u32))
57 #define HW_ACCESS_WSPI_INIT_CMD_MASK  0
58 
59 #endif /* __WL1251_SPI_H__ */
60