/drivers/net/wireless/bcmdhd/include/proto/sdspi.h

 1/*
 2 * SD-SPI Protocol Standard
 3 *
 4 * Copyright (C) 1999-2011, Broadcom Corporation
 5 * 
 6 *         Unless you and Broadcom execute a separate written software license
 7 * agreement governing use of this software, this software is licensed to you
 8 * under the terms of the GNU General Public License version 2 (the "GPL"),
 9 * available at http://www.broadcom.com/licenses/GPLv2.php, with the
10 * following added to such license:
11 * 
12 *      As a special exception, the copyright holders of this software give you
13 * permission to link this software with independent modules, and to copy and
14 * distribute the resulting executable under terms of your choice, provided that
15 * you also meet, for each linked independent module, the terms and conditions of
16 * the license of that module.  An independent module is a module which is not
17 * derived from this software.  The special exception does not apply to any
18 * modifications of the software.
19 * 
20 *      Notwithstanding the above, under no circumstances may you combine this
21 * software in any way with any other Broadcom software provided under a license
22 * other than the GPL, without Broadcom's express prior written consent.
23 *
24 * $Id: sdspi.h 277737 2011-08-16 17:54:59Z $
25 */
26
27#ifndef	_SD_SPI_H
28#define	_SD_SPI_H
29
30#define SPI_START_M		BITFIELD_MASK(1)	/* Bit [31] 	- Start Bit */
31#define SPI_START_S		31
32#define SPI_DIR_M		BITFIELD_MASK(1)	/* Bit [30] 	- Direction */
33#define SPI_DIR_S		30
34#define SPI_CMD_INDEX_M		BITFIELD_MASK(6)	/* Bits [29:24] - Command number */
35#define SPI_CMD_INDEX_S		24
36#define SPI_RW_M		BITFIELD_MASK(1)	/* Bit [23] 	- Read=0, Write=1 */
37#define SPI_RW_S		23
38#define SPI_FUNC_M		BITFIELD_MASK(3)	/* Bits [22:20]	- Function Number */
39#define SPI_FUNC_S		20
40#define SPI_RAW_M		BITFIELD_MASK(1)	/* Bit [19] 	- Read After Wr */
41#define SPI_RAW_S		19
42#define SPI_STUFF_M		BITFIELD_MASK(1)	/* Bit [18] 	- Stuff bit */
43#define SPI_STUFF_S		18
44#define SPI_BLKMODE_M		BITFIELD_MASK(1)	/* Bit [19] 	- Blockmode 1=blk */
45#define SPI_BLKMODE_S		19
46#define SPI_OPCODE_M		BITFIELD_MASK(1)	/* Bit [18] 	- OP Code */
47#define SPI_OPCODE_S		18
48#define SPI_ADDR_M		BITFIELD_MASK(17)	/* Bits [17:1] 	- Address */
49#define SPI_ADDR_S		1
50#define SPI_STUFF0_M		BITFIELD_MASK(1)	/* Bit [0] 	- Stuff bit */
51#define SPI_STUFF0_S		0
52
53#define SPI_RSP_START_M		BITFIELD_MASK(1)	/* Bit [7] 	- Start Bit (always 0) */
54#define SPI_RSP_START_S		7
55#define SPI_RSP_PARAM_ERR_M	BITFIELD_MASK(1)	/* Bit [6] 	- Parameter Error */
56#define SPI_RSP_PARAM_ERR_S	6
57#define SPI_RSP_RFU5_M		BITFIELD_MASK(1)	/* Bit [5] 	- RFU (Always 0) */
58#define SPI_RSP_RFU5_S		5
59#define SPI_RSP_FUNC_ERR_M	BITFIELD_MASK(1)	/* Bit [4] 	- Function number error */
60#define SPI_RSP_FUNC_ERR_S	4
61#define SPI_RSP_CRC_ERR_M	BITFIELD_MASK(1)	/* Bit [3] 	- COM CRC Error */
62#define SPI_RSP_CRC_ERR_S	3
63#define SPI_RSP_ILL_CMD_M	BITFIELD_MASK(1)	/* Bit [2] 	- Illegal Command error */
64#define SPI_RSP_ILL_CMD_S	2
65#define SPI_RSP_RFU1_M		BITFIELD_MASK(1)	/* Bit [1] 	- RFU (Always 0) */
66#define SPI_RSP_RFU1_S		1
67#define SPI_RSP_IDLE_M		BITFIELD_MASK(1)	/* Bit [0] 	- In idle state */
68#define SPI_RSP_IDLE_S		0
69
70/* SD-SPI Protocol Definitions */
71#define SDSPI_COMMAND_LEN	6	/* Number of bytes in an SD command */
72#define SDSPI_START_BLOCK	0xFE	/* SD Start Block Token */
73#define SDSPI_IDLE_PAD		0xFF	/* SD-SPI idle value for MOSI */
74#define SDSPI_START_BIT_MASK	0x80
75
76#endif /* _SD_SPI_H */