/*
 * Misc utility routines for accessing chip-specific features
 * of Broadcom HNBU SiliconBackplane-based chips.
 *
 * Copyright 2004, Broadcom Corporation
 * All Rights Reserved.
 * 
 * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
 * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
 * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
 *
 * $Id$
 */

#ifndef	_sbutils_h_
#define	_sbutils_h_

/* Board styles (bustype) */
#define	BOARDSTYLE_SOC		0		/* Silicon Backplane */
#define	BOARDSTYLE_PCI		1		/* PCI/MiniPCI board */
#define	BOARDSTYLE_PCMCIA	2		/* PCMCIA board */
#define	BOARDSTYLE_CARDBUS	3		/* Cardbus board */

/*
 * Many of the routines below take an 'sbh' handle as their first arg.
 * Allocate this by calling sb_attach().  Free it by calling sb_detach().
 * At any one time, the sbh is logically focused on one particular sb core
 * (the "current core").
 * Use sb_setcore() or sb_setcoreidx() to change the association to another core.
 */

/* exported externs */
extern void *sb_attach(uint pcidev, void *osh, void *regs, uint bustype, void *sdh, char **vars, int *varsz);
extern void *sb_kattach(void);
extern void sb_detach(void *sbh);
extern uint sb_chip(void *sbh);
extern uint sb_chiprev(void *sbh);
extern uint sb_chipcrev(void *sbh);
extern uint sb_chippkg(void *sbh);
extern uint sb_pcirev(void *sbh);
extern uint sb_pcmciarev(void *sbh);
extern uint sb_boardvendor(void *sbh);
extern uint sb_boardtype(void *sbh);
extern uint sb_boardstyle(void *sbh);
extern uint sb_bus(void *sbh);
extern uint sb_corelist(void *sbh, uint coreid[]);
extern uint sb_coreid(void *sbh);
extern uint sb_coreidx(void *sbh);
extern uint sb_coreunit(void *sbh);
extern uint sb_corevendor(void *sbh);
extern uint sb_corerev(void *sbh);
extern void *sb_coreregs(void *sbh);
extern uint32 sb_coreflags(void *sbh, uint32 mask, uint32 val);
extern uint32 sb_coreflagshi(void *sbh, uint32 mask, uint32 val);
extern bool sb_iscoreup(void *sbh);
extern void *sb_setcoreidx(void *sbh, uint coreidx);
extern void *sb_setcore(void *sbh, uint coreid, uint coreunit);
extern void sb_commit(void *sbh);
extern uint32 sb_base(uint32 admatch);
extern uint32 sb_size(uint32 admatch);
extern void sb_core_reset(void *sbh, uint32 bits);
extern void sb_core_tofixup(void *sbh);
extern void sb_core_disable(void *sbh, uint32 bits);
extern uint32 sb_clock_rate(uint32 pll_type, uint32 n, uint32 m);
extern uint32 sb_clock(void *sbh);
extern void sb_pci_setup(void *sbh, uint32 *dmaoffset, uint coremask);
extern void sb_pcmcia_init(void *sbh);
extern void sb_watchdog(void *sbh, uint ticks);
extern void *sb_gpiosetcore(void *sbh);
extern uint32 sb_gpiocontrol(void *sbh, uint32 mask, uint32 val);
extern uint32 sb_gpioouten(void *sbh, uint32 mask, uint32 val);
extern uint32 sb_gpioout(void *sbh, uint32 mask, uint32 val);
extern uint32 sb_gpioin(void *sbh);
extern uint32 sb_gpiointpolarity(void *sbh, uint32 mask, uint32 val);
extern uint32 sb_gpiointmask(void *sbh, uint32 mask, uint32 val);
extern bool sb_taclear(void *sbh);
extern void sb_pwrctl_init(void *sbh);
extern uint16 sb_pwrctl_fast_pwrup_delay(void *sbh);
extern bool sb_pwrctl_clk(void *sbh, uint mode);
extern int sb_pwrctl_xtal(void *sbh, uint what, bool on);
extern int sb_pwrctl_slowclk(void *sbh, bool set, uint *div);
extern void sb_register_intr_callback(void *sbh, void *intrsoff_fn, void *intrsrestore_fn, void *intrsenabled_fn, void *intr_arg);

/* pwrctl xtal what flags */
#define	XTAL		0x1			/* primary crystal oscillator (2050) */
#define	PLL		0x2			/* main chip pll */

/* pwrctl clk mode */
#define	CLK_FAST	0			/* force fast (pll) clock */
#define	CLK_SLOW	1			/* force slow clock */
#define	CLK_DYNAMIC	2			/* enable dynamic power control */

#endif	/* _sbutils_h_ */