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/*
 * 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)))

#define BRCMF_MAX_CORENUM	6

/* SDIO device ID */
#define SDIO_DEVICE_ID_BROADCOM_43143		43143
#define SDIO_DEVICE_ID_BROADCOM_43241		0x4324
#define SDIO_DEVICE_ID_BROADCOM_4329		0x4329
#define SDIO_DEVICE_ID_BROADCOM_4330		0x4330
#define SDIO_DEVICE_ID_BROADCOM_4334		0x4334
#define SDIO_DEVICE_ID_BROADCOM_4335_4339	0x4335

struct chip_core_info {
	u16 id;
	u16 rev;
	u32 base;
	u32 wrapbase;
	u32 caps;
	u32 cib;
};

struct chip_info {
	u32 chip;
	u32 chiprev;
	u32 socitype;
	/* core info */
	/* always put chipcommon core at 0, bus core at 1 */
	struct chip_core_info c_inf[BRCMF_MAX_CORENUM];
	u32 pmurev;
	u32 pmucaps;
	u32 ramsize;
	u32 rambase;
	u32 rst_vec;	/* reset vertor for ARM CR4 core */

	bool (*iscoreup)(struct brcmf_sdio_dev *sdiodev, struct chip_info *ci,
			 u16 coreid);
	u32 (*corerev)(struct brcmf_sdio_dev *sdiodev, struct chip_info *ci,
			 u16 coreid);
	void (*coredisable)(struct brcmf_sdio_dev *sdiodev,
			struct chip_info *ci, u16 coreid, u32 core_bits);
	void (*resetcore)(struct brcmf_sdio_dev *sdiodev,
			struct chip_info *ci, u16 coreid, u32 core_bits);
};

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 */
};

/* sdio core registers */
struct sdpcmd_regs {
	u32 corecontrol;		/* 0x00, rev8 */
	u32 corestatus;			/* rev8 */
	u32 PAD[1];
	u32 biststatus;			/* rev8 */

	/* PCMCIA access */
	u16 pcmciamesportaladdr;	/* 0x010, rev8 */
	u16 PAD[1];
	u16 pcmciamesportalmask;	/* rev8 */
	u16 PAD[1];
	u16 pcmciawrframebc;		/* rev8 */
	u16 PAD[1];
	u16 pcmciaunderflowtimer;	/* rev8 */
	u16 PAD[1];

	/* interrupt */
	u32 intstatus;			/* 0x020, rev8 */
	u32 hostintmask;		/* rev8 */
	u32 intmask;			/* rev8 */
	u32 sbintstatus;		/* rev8 */
	u32 sbintmask;			/* rev8 */
	u32 funcintmask;		/* rev4 */
	u32 PAD[2];
	u32 tosbmailbox;		/* 0x040, rev8 */
	u32 tohostmailbox;		/* rev8 */
	u32 tosbmailboxdata;		/* rev8 */
	u32 tohostmailboxdata;		/* rev8 */

	/* synchronized access to registers in SDIO clock domain */
	u32 sdioaccess;			/* 0x050, rev8 */
	u32 PAD[3];

	/* PCMCIA frame control */
	u8 pcmciaframectrl;		/* 0x060, rev8 */
	u8 PAD[3];
	u8 pcmciawatermark;		/* rev8 */
	u8 PAD[155];

	/* interrupt batching control */
	u32 intrcvlazy;			/* 0x100, rev8 */
	u32 PAD[3];

	/* counters */
	u32 cmd52rd;			/* 0x110, rev8 */
	u32 cmd52wr;			/* rev8 */
	u32 cmd53rd;			/* rev8 */
	u32 cmd53wr;			/* rev8 */
	u32 abort;			/* rev8 */
	u32 datacrcerror;		/* rev8 */
	u32 rdoutofsync;		/* rev8 */
	u32 wroutofsync;		/* rev8 */
	u32 writebusy;			/* rev8 */
	u32 readwait;			/* rev8 */
	u32 readterm;			/* rev8 */
	u32 writeterm;			/* rev8 */
	u32 PAD[40];
	u32 clockctlstatus;		/* rev8 */
	u32 PAD[7];

	u32 PAD[128];			/* DMA engines */

	/* SDIO/PCMCIA CIS region */
	char cis[512];			/* 0x400-0x5ff, rev6 */

	/* PCMCIA function control registers */
	char pcmciafcr[256];		/* 0x600-6ff, rev6 */
	u16 PAD[55];

	/* PCMCIA backplane access */
	u16 backplanecsr;		/* 0x76E, rev6 */
	u16 backplaneaddr0;		/* rev6 */
	u16 backplaneaddr1;		/* rev6 */
	u16 backplaneaddr2;		/* rev6 */
	u16 backplaneaddr3;		/* rev6 */
	u16 backplanedata0;		/* rev6 */
	u16 backplanedata1;		/* rev6 */
	u16 backplanedata2;		/* rev6 */
	u16 backplanedata3;		/* rev6 */
	u16 PAD[31];

	/* sprom "size" & "blank" info */
	u16 spromstatus;		/* 0x7BE, rev2 */
	u32 PAD[464];

	u16 PAD[0x80];
};

int brcmf_sdio_chip_attach(struct brcmf_sdio_dev *sdiodev,
			   struct chip_info **ci_ptr, u32 regs);
void brcmf_sdio_chip_detach(struct chip_info **ci_ptr);
void brcmf_sdio_chip_drivestrengthinit(struct brcmf_sdio_dev *sdiodev,
				       struct chip_info *ci, u32 drivestrength);
u8 brcmf_sdio_chip_getinfidx(struct chip_info *ci, u16 coreid);
void brcmf_sdio_chip_enter_download(struct brcmf_sdio_dev *sdiodev,
				    struct chip_info *ci);
bool brcmf_sdio_chip_exit_download(struct brcmf_sdio_dev *sdiodev,
				   struct chip_info *ci, char *nvram_dat,
				   uint nvram_sz);

#endif		/* _BRCMFMAC_SDIO_CHIP_H_ */