/drivers/net/wireless/bcm4329/include/sbsdio.h

  1/*
  2 * SDIO device core hardware definitions.
  3 * sdio is a portion of the pcmcia core in core rev 3 - rev 8
  4 *
  5 * SDIO core support 1bit, 4 bit SDIO mode as well as SPI mode.
  6 *
  7 * Copyright (C) 1999-2010, Broadcom Corporation
  8 * 
  9 *      Unless you and Broadcom execute a separate written software license
 10 * agreement governing use of this software, this software is licensed to you
 11 * under the terms of the GNU General Public License version 2 (the "GPL"),
 12 * available at http://www.broadcom.com/licenses/GPLv2.php, with the
 13 * following added to such license:
 14 * 
 15 *      As a special exception, the copyright holders of this software give you
 16 * permission to link this software with independent modules, and to copy and
 17 * distribute the resulting executable under terms of your choice, provided that
 18 * you also meet, for each linked independent module, the terms and conditions of
 19 * the license of that module.  An independent module is a module which is not
 20 * derived from this software.  The special exception does not apply to any
 21 * modifications of the software.
 22 * 
 23 *      Notwithstanding the above, under no circumstances may you combine this
 24 * software in any way with any other Broadcom software provided under a license
 25 * other than the GPL, without Broadcom's express prior written consent.
 26 *
 27 * $Id: sbsdio.h,v 13.29.4.1.22.3 2009/03/11 20:26:57 Exp $
 28 */
 29
 30#ifndef	_SBSDIO_H
 31#define	_SBSDIO_H
 32
 33#define SBSDIO_NUM_FUNCTION		3	/* as of sdiod rev 0, supports 3 functions */
 34
 35/* function 1 miscellaneous registers */
 36#define SBSDIO_SPROM_CS			0x10000		/* sprom command and status */
 37#define SBSDIO_SPROM_INFO		0x10001		/* sprom info register */
 38#define SBSDIO_SPROM_DATA_LOW		0x10002		/* sprom indirect access data byte 0 */
 39#define SBSDIO_SPROM_DATA_HIGH		0x10003 	/* sprom indirect access data byte 1 */
 40#define SBSDIO_SPROM_ADDR_LOW		0x10004		/* sprom indirect access addr byte 0 */
 41#define SBSDIO_SPROM_ADDR_HIGH		0x10005		/* sprom indirect access addr byte 0 */
 42#define SBSDIO_CHIP_CTRL_DATA		0x10006		/* xtal_pu (gpio) output */
 43#define SBSDIO_CHIP_CTRL_EN		0x10007		/* xtal_pu (gpio) enable */
 44#define SBSDIO_WATERMARK		0x10008		/* rev < 7, watermark for sdio device */
 45#define SBSDIO_DEVICE_CTL		0x10009		/* control busy signal generation */
 46
 47/* registers introduced in rev 8, some content (mask/bits) defs in sbsdpcmdev.h */
 48#define SBSDIO_FUNC1_SBADDRLOW		0x1000A		/* SB Address Window Low (b15) */
 49#define SBSDIO_FUNC1_SBADDRMID		0x1000B		/* SB Address Window Mid (b23:b16) */
 50#define SBSDIO_FUNC1_SBADDRHIGH		0x1000C		/* SB Address Window High (b31:b24)    */
 51#define SBSDIO_FUNC1_FRAMECTRL		0x1000D		/* Frame Control (frame term/abort) */
 52#define SBSDIO_FUNC1_CHIPCLKCSR		0x1000E		/* ChipClockCSR (ALP/HT ctl/status) */
 53#define SBSDIO_FUNC1_SDIOPULLUP 	0x1000F		/* SdioPullUp (on cmd, d0-d2) */
 54#define SBSDIO_FUNC1_WFRAMEBCLO		0x10019		/* Write Frame Byte Count Low */
 55#define SBSDIO_FUNC1_WFRAMEBCHI		0x1001A		/* Write Frame Byte Count High */
 56#define SBSDIO_FUNC1_RFRAMEBCLO		0x1001B		/* Read Frame Byte Count Low */
 57#define SBSDIO_FUNC1_RFRAMEBCHI		0x1001C		/* Read Frame Byte Count High */
 58
 59#define SBSDIO_FUNC1_MISC_REG_START	0x10000 	/* f1 misc register start */
 60#define SBSDIO_FUNC1_MISC_REG_LIMIT	0x1001C 	/* f1 misc register end */
 61
 62/* SBSDIO_SPROM_CS */
 63#define SBSDIO_SPROM_IDLE		0
 64#define SBSDIO_SPROM_WRITE		1
 65#define SBSDIO_SPROM_READ		2
 66#define SBSDIO_SPROM_WEN		4
 67#define SBSDIO_SPROM_WDS		7
 68#define SBSDIO_SPROM_DONE		8
 69
 70/* SBSDIO_SPROM_INFO */
 71#define SROM_SZ_MASK			0x03		/* SROM size, 1: 4k, 2: 16k */
 72#define SROM_BLANK			0x04		/* depreciated in corerev 6 */
 73#define	SROM_OTP			0x80		/* OTP present */
 74
 75/* SBSDIO_CHIP_CTRL */
 76#define SBSDIO_CHIP_CTRL_XTAL		0x01		/* or'd with onchip xtal_pu,
 77							 * 1: power on oscillator
 78							 * (for 4318 only)
 79							 */
 80/* SBSDIO_WATERMARK */
 81#define SBSDIO_WATERMARK_MASK		0x7f		/* number of words - 1 for sd device
 82							 * to wait before sending data to host
 83							 */
 84
 85/* SBSDIO_DEVICE_CTL */
 86#define SBSDIO_DEVCTL_SETBUSY		0x01		/* 1: device will assert busy signal when
 87							 * receiving CMD53
 88							 */
 89#define SBSDIO_DEVCTL_SPI_INTR_SYNC	0x02		/* 1: assertion of sdio interrupt is
 90							 * synchronous to the sdio clock
 91							 */
 92#define SBSDIO_DEVCTL_CA_INT_ONLY	0x04		/* 1: mask all interrupts to host
 93							 * except the chipActive (rev 8)
 94							 */
 95#define SBSDIO_DEVCTL_PADS_ISO		0x08		/* 1: isolate internal sdio signals, put
 96							 * external pads in tri-state; requires
 97							 * sdio bus power cycle to clear (rev 9)
 98							 */
 99#define SBSDIO_DEVCTL_SB_RST_CTL	0x30		/* Force SD->SB reset mapping (rev 11) */
100#define SBSDIO_DEVCTL_RST_CORECTL	0x00		/*   Determined by CoreControl bit */
101#define SBSDIO_DEVCTL_RST_BPRESET	0x10		/*   Force backplane reset */
102#define SBSDIO_DEVCTL_RST_NOBPRESET	0x20		/*   Force no backplane reset */
103
104
105/* SBSDIO_FUNC1_CHIPCLKCSR */
106#define SBSDIO_FORCE_ALP		0x01		/* Force ALP request to backplane */
107#define SBSDIO_FORCE_HT			0x02		/* Force HT request to backplane */
108#define SBSDIO_FORCE_ILP		0x04		/* Force ILP request to backplane */
109#define SBSDIO_ALP_AVAIL_REQ		0x08		/* Make ALP ready (power up xtal) */
110#define SBSDIO_HT_AVAIL_REQ		0x10		/* Make HT ready (power up PLL) */
111#define SBSDIO_FORCE_HW_CLKREQ_OFF	0x20		/* Squelch clock requests from HW */
112#define SBSDIO_ALP_AVAIL		0x40		/* Status: ALP is ready */
113#define SBSDIO_HT_AVAIL			0x80		/* Status: HT is ready */
114/* In rev8, actual avail bits followed original docs */
115#define SBSDIO_Rev8_HT_AVAIL		0x40
116#define SBSDIO_Rev8_ALP_AVAIL		0x80
117
118#define SBSDIO_AVBITS			(SBSDIO_HT_AVAIL | SBSDIO_ALP_AVAIL)
119#define SBSDIO_ALPAV(regval)		((regval) & SBSDIO_AVBITS)
120#define SBSDIO_HTAV(regval)		(((regval) & SBSDIO_AVBITS) == SBSDIO_AVBITS)
121#define SBSDIO_ALPONLY(regval)		(SBSDIO_ALPAV(regval) && !SBSDIO_HTAV(regval))
122#define SBSDIO_CLKAV(regval, alponly)	(SBSDIO_ALPAV(regval) && \
123					(alponly ? 1 : SBSDIO_HTAV(regval)))
124
125/* SBSDIO_FUNC1_SDIOPULLUP */
126#define SBSDIO_PULLUP_D0		0x01		/* Enable D0/MISO pullup */
127#define SBSDIO_PULLUP_D1		0x02		/* Enable D1/INT# pullup */
128#define SBSDIO_PULLUP_D2		0x04		/* Enable D2 pullup */
129#define SBSDIO_PULLUP_CMD		0x08		/* Enable CMD/MOSI pullup */
130#define SBSDIO_PULLUP_ALL		0x0f		/* All valid bits */
131
132/* function 1 OCP space */
133#define SBSDIO_SB_OFT_ADDR_MASK		0x07FFF		/* sb offset addr is <= 15 bits, 32k */
134#define SBSDIO_SB_OFT_ADDR_LIMIT	0x08000
135#define SBSDIO_SB_ACCESS_2_4B_FLAG	0x08000		/* with b15, maps to 32-bit SB access */
136
137/* some duplication with sbsdpcmdev.h here */
138/* valid bits in SBSDIO_FUNC1_SBADDRxxx regs */
139#define SBSDIO_SBADDRLOW_MASK		0x80		/* Valid bits in SBADDRLOW */
140#define SBSDIO_SBADDRMID_MASK		0xff		/* Valid bits in SBADDRMID */
141#define SBSDIO_SBADDRHIGH_MASK		0xffU		/* Valid bits in SBADDRHIGH */
142#define SBSDIO_SBWINDOW_MASK		0xffff8000	/* Address bits from SBADDR regs */
143
144/* direct(mapped) cis space */
145#define SBSDIO_CIS_BASE_COMMON		0x1000		/* MAPPED common CIS address */
146#define SBSDIO_CIS_SIZE_LIMIT		0x200		/* maximum bytes in one CIS */
147#define SBSDIO_OTP_CIS_SIZE_LIMIT       0x078           /* maximum bytes OTP CIS */
148
149#define SBSDIO_CIS_OFT_ADDR_MASK	0x1FFFF		/* cis offset addr is < 17 bits */
150
151#define SBSDIO_CIS_MANFID_TUPLE_LEN	6		/* manfid tuple length, include tuple,
152							 * link bytes
153							 */
154
155/* indirect cis access (in sprom) */
156#define SBSDIO_SPROM_CIS_OFFSET		0x8		/* 8 control bytes first, CIS starts from
157							 * 8th byte
158							 */
159
160#define SBSDIO_BYTEMODE_DATALEN_MAX	64		/* sdio byte mode: maximum length of one
161							 * data comamnd
162							 */
163
164#define SBSDIO_CORE_ADDR_MASK		0x1FFFF		/* sdio core function one address mask */
165
166#endif	/* _SBSDIO_H */