/drivers/net/wireless/bcmdhd/include/proto/sdspi.h
C Header | 76 lines | 45 code | 5 blank | 26 comment | 0 complexity | 29bd29d68649b40fd2a82930e80c484f MD5 | raw file
Possible License(s): LGPL-2.0, AGPL-1.0, GPL-2.0
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 */