/*
 * Copyright (c) 2011 Broadcom Corporation
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef _BRCMFMAC_SDIO_CHIP_H_
#define _BRCMFMAC_SDIO_CHIP_H_

/*
 * Core reg address translation.
 * Both macro's returns a 32 bits byte address on the backplane bus.
 */
#define CORE_CC_REG(base, field) \
		(base + offsetof(struct chipcregs, field))
#define CORE_BUS_REG(base, field) \
		(base + offsetof(struct sdpcmd_regs, field))
#define CORE_SB(base, field) \
		(base + SBCONFIGOFF + offsetof(struct sbconfig, field))

/* SDIO function 1 register CHIPCLKCSR */
/* Force ALP request to backplane */
#define SBSDIO_FORCE_ALP		0x01
/* Force HT request to backplane */
#define SBSDIO_FORCE_HT			0x02
/* Force ILP request to backplane */
#define SBSDIO_FORCE_ILP		0x04
/* Make ALP ready (power up xtal) */
#define SBSDIO_ALP_AVAIL_REQ		0x08
/* Make HT ready (power up PLL) */
#define SBSDIO_HT_AVAIL_REQ		0x10
/* Squelch clock requests from HW */
#define SBSDIO_FORCE_HW_CLKREQ_OFF	0x20
/* Status: ALP is ready */
#define SBSDIO_ALP_AVAIL		0x40
/* Status: HT is ready */
#define SBSDIO_HT_AVAIL			0x80
#define SBSDIO_AVBITS		(SBSDIO_HT_AVAIL | SBSDIO_ALP_AVAIL)
#define SBSDIO_ALPAV(regval)	((regval) & SBSDIO_AVBITS)
#define SBSDIO_HTAV(regval)	(((regval) & SBSDIO_AVBITS) == SBSDIO_AVBITS)
#define SBSDIO_ALPONLY(regval)	(SBSDIO_ALPAV(regval) && !SBSDIO_HTAV(regval))
#define SBSDIO_CLKAV(regval, alponly) \
	(SBSDIO_ALPAV(regval) && (alponly ? 1 : SBSDIO_HTAV(regval)))

/* sbimstate */
#define	SBIM_IBE		0x20000	/* inbanderror */
#define	SBIM_TO			0x40000	/* timeout */
#define	SBIM_BY			0x01800000	/* busy (sonics >= 2.3) */
#define	SBIM_RJ			0x02000000	/* reject (sonics >= 2.3) */

/* sbtmstatelow */
#define	SBTML_RESET		0x0001	/* reset */
#define	SBTML_REJ_MASK		0x0006	/* reject field */
#define	SBTML_REJ		0x0002	/* reject */
#define	SBTML_TMPREJ		0x0004	/* temporary reject(error recovery) */
/* Shift to locate the SI control flags in sbtml */
#define	SBTML_SICF_SHIFT	16

/* sbtmstatehigh */
#define	SBTMH_SERR		0x0001	/* serror */
#define	SBTMH_INT		0x0002	/* interrupt */
#define	SBTMH_BUSY		0x0004	/* busy */
#define	SBTMH_TO		0x0020	/* timeout (sonics >= 2.3) */
/* Shift to locate the SI status flags in sbtmh */
#define	SBTMH_SISF_SHIFT	16

/* sbidlow */
#define	SBIDL_INIT		0x80	/* initiator */

struct chip_info {
	u32 chip;
	u32 chiprev;
	u32 cccorebase;
	u32 ccrev;
	u32 cccaps;
	u32 buscorebase; /* 32 bits backplane bus address */
	u32 buscorerev;
	u32 buscoretype;
	u32 ramcorebase;
	u32 armcorebase;
	u32 pmurev;
	u32 pmucaps;
	u32 ramsize;
};

struct sbconfig {
	u32 PAD[2];
	u32 sbipsflag;	/* initiator port ocp slave flag */
	u32 PAD[3];
	u32 sbtpsflag;	/* target port ocp slave flag */
	u32 PAD[11];
	u32 sbtmerrloga;	/* (sonics >= 2.3) */
	u32 PAD;
	u32 sbtmerrlog;	/* (sonics >= 2.3) */
	u32 PAD[3];
	u32 sbadmatch3;	/* address match3 */
	u32 PAD;
	u32 sbadmatch2;	/* address match2 */
	u32 PAD;
	u32 sbadmatch1;	/* address match1 */
	u32 PAD[7];
	u32 sbimstate;	/* initiator agent state */
	u32 sbintvec;	/* interrupt mask */
	u32 sbtmstatelow;	/* target state */
	u32 sbtmstatehigh;	/* target state */
	u32 sbbwa0;		/* bandwidth allocation table0 */
	u32 PAD;
	u32 sbimconfiglow;	/* initiator configuration */
	u32 sbimconfighigh;	/* initiator configuration */
	u32 sbadmatch0;	/* address match0 */
	u32 PAD;
	u32 sbtmconfiglow;	/* target configuration */
	u32 sbtmconfighigh;	/* target configuration */
	u32 sbbconfig;	/* broadcast configuration */
	u32 PAD;
	u32 sbbstate;	/* broadcast state */
	u32 PAD[3];
	u32 sbactcnfg;	/* activate configuration */
	u32 PAD[3];
	u32 sbflagst;	/* current sbflags */
	u32 PAD[3];
	u32 sbidlow;		/* identification */
	u32 sbidhigh;	/* identification */
};

extern bool brcmf_sdio_chip_iscoreup(struct brcmf_sdio_dev *sdiodev,
				     u32 corebase);
extern void brcmf_sdio_chip_coredisable(struct brcmf_sdio_dev *sdiodev,
					u32 corebase);
extern int brcmf_sdio_chip_attach(struct brcmf_sdio_dev *sdiodev,
				  struct chip_info **ci_ptr, u32 regs);

#endif		/* _BRCMFMAC_SDIO_CHIP_H_ */