openwrt/target/linux/brcm-2.4/files/arch/mips/bcm947xx/include/sbutils.h

212 lines
8.2 KiB
C

/*
* Misc utility routines for accessing chip-specific features
* of Broadcom HNBU SiliconBackplane-based chips.
*
* Copyright 2007, 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.
*
*/
#ifndef _sbutils_h_
#define _sbutils_h_
/*
* Data structure to export all chip specific common variables
* public (read-only) portion of sbutils handle returned by
* sb_attach()/sb_kattach()
*/
struct sb_pub {
uint bustype; /* SB_BUS, PCI_BUS */
uint buscoretype; /* SB_PCI, SB_PCMCIA, SB_PCIE */
uint buscorerev; /* buscore rev */
uint buscoreidx; /* buscore index */
int ccrev; /* chip common core rev */
uint32 cccaps; /* chip common capabilities */
int pmurev; /* pmu core rev */
uint32 pmucaps; /* pmu capabilities */
uint boardtype; /* board type */
uint boardvendor; /* board vendor */
uint boardflags; /* board flags */
uint chip; /* chip number */
uint chiprev; /* chip revision */
uint chippkg; /* chip package option */
uint32 chipst; /* chip status */
uint sonicsrev; /* sonics backplane rev */
bool pr42780; /* whether PCIE 42780 WAR applies to this chip */
bool pr32414; /* whether 432414 WAR applis to the chip */
};
typedef const struct sb_pub sb_t;
/*
* 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.
*/
#define SB_OSH NULL /* Use for sb_kattach when no osh is available */
/* exported externs */
extern sb_t *sb_attach(uint pcidev, osl_t *osh, void *regs, uint bustype,
void *sdh, char **vars, uint *varsz);
extern sb_t *sb_kattach(osl_t *osh);
extern void sb_detach(sb_t *sbh);
extern uint sb_chip(sb_t *sbh);
extern uint sb_chiprev(sb_t *sbh);
extern uint sb_chipcrev(sb_t *sbh);
extern uint sb_chippkg(sb_t *sbh);
extern uint sb_pcirev(sb_t *sbh);
extern bool sb_war16165(sb_t *sbh);
extern uint sb_pcmciarev(sb_t *sbh);
extern uint sb_boardvendor(sb_t *sbh);
extern uint sb_boardtype(sb_t *sbh);
extern uint sb_bus(sb_t *sbh);
extern uint sb_buscoretype(sb_t *sbh);
extern uint sb_buscorerev(sb_t *sbh);
extern uint sb_corelist(sb_t *sbh, uint coreid[]);
extern uint sb_coreid(sb_t *sbh);
extern uint sb_flag(sb_t *sbh);
extern uint sb_coreidx(sb_t *sbh);
extern uint sb_coreunit(sb_t *sbh);
extern uint sb_corevendor(sb_t *sbh);
extern uint sb_corerev(sb_t *sbh);
extern void *sb_osh(sb_t *sbh);
extern void sb_setosh(sb_t *sbh, osl_t *osh);
extern uint sb_corereg(sb_t *sbh, uint coreidx, uint regoff, uint mask, uint val);
extern void *sb_coreregs(sb_t *sbh);
extern uint32 sb_coreflags(sb_t *sbh, uint32 mask, uint32 val);
extern void sb_coreflags_wo(sb_t *sbh, uint32 mask, uint32 val);
extern uint32 sb_coreflagshi(sb_t *sbh, uint32 mask, uint32 val);
extern bool sb_iscoreup(sb_t *sbh);
extern uint sb_findcoreidx(sb_t *sbh, uint coreid, uint coreunit);
extern void *sb_setcoreidx(sb_t *sbh, uint coreidx);
extern void *sb_setcore(sb_t *sbh, uint coreid, uint coreunit);
extern int sb_corebist(sb_t *sbh);
extern void sb_commit(sb_t *sbh);
extern uint32 sb_base(uint32 admatch);
extern uint32 sb_size(uint32 admatch);
extern void sb_core_reset(sb_t *sbh, uint32 bits, uint32 resetbits);
extern void sb_core_tofixup(sb_t *sbh);
extern void sb_core_disable(sb_t *sbh, uint32 bits);
extern uint32 sb_clock_rate(uint32 pll_type, uint32 n, uint32 m);
extern uint32 sb_clock(sb_t *sbh);
extern uint32 sb_alp_clock(sb_t *sbh);
extern void sb_pci_setup(sb_t *sbh, uint coremask);
extern void sb_pcmcia_init(sb_t *sbh);
extern void sb_watchdog(sb_t *sbh, uint ticks);
extern void *sb_gpiosetcore(sb_t *sbh);
extern uint32 sb_gpiocontrol(sb_t *sbh, uint32 mask, uint32 val, uint8 priority);
extern uint32 sb_gpioouten(sb_t *sbh, uint32 mask, uint32 val, uint8 priority);
extern uint32 sb_gpioout(sb_t *sbh, uint32 mask, uint32 val, uint8 priority);
extern uint32 sb_gpioin(sb_t *sbh);
extern uint32 sb_gpiointpolarity(sb_t *sbh, uint32 mask, uint32 val, uint8 priority);
extern uint32 sb_gpiointmask(sb_t *sbh, uint32 mask, uint32 val, uint8 priority);
extern uint32 sb_gpioled(sb_t *sbh, uint32 mask, uint32 val);
extern uint32 sb_gpioreserve(sb_t *sbh, uint32 gpio_num, uint8 priority);
extern uint32 sb_gpiorelease(sb_t *sbh, uint32 gpio_num, uint8 priority);
extern uint32 sb_gpiopull(sb_t *sbh, bool updown, uint32 mask, uint32 val);
extern uint32 sb_gpioevent(sb_t *sbh, uint regtype, uint32 mask, uint32 val);
extern uint32 sb_gpio_int_enable(sb_t *sbh, bool enable);
/* GPIO event handlers */
typedef void (*gpio_handler_t)(uint32 stat, void *arg);
extern void *sb_gpio_handler_register(sb_t *sbh, uint32 event,
bool level, gpio_handler_t cb, void *arg);
extern void sb_gpio_handler_unregister(sb_t *sbh, void* gpioh);
extern void sb_gpio_handler_process(sb_t *sbh);
extern void sb_clkctl_init(sb_t *sbh);
extern uint16 sb_clkctl_fast_pwrup_delay(sb_t *sbh);
extern bool sb_clkctl_clk(sb_t *sbh, uint mode);
extern int sb_clkctl_xtal(sb_t *sbh, uint what, bool on);
extern void sb_register_intr_callback(sb_t *sbh, void *intrsoff_fn, void *intrsrestore_fn,
void *intrsenabled_fn, void *intr_arg);
extern void sb_deregister_intr_callback(sb_t *sbh);
extern uint32 sb_set_initiator_to(sb_t *sbh, uint32 to, uint idx);
extern uint16 sb_d11_devid(sb_t *sbh);
extern int sb_corepciid(sb_t *sbh, uint func, uint16 *pcivendor, uint16 *pcidevice,
uint8 *pciclass, uint8 *pcisubclass, uint8 *pciprogif,
uint8 *pciheader);
extern uint sb_pcie_readreg(void *sbh, void* arg1, uint offset);
extern uint sb_pcie_writereg(sb_t *sbh, void *arg1, uint offset, uint val);
extern uint32 sb_gpiotimerval(sb_t *sbh, uint32 mask, uint32 val);
extern bool sb_backplane64(sb_t *sbh);
extern void sb_btcgpiowar(sb_t *sbh);
#if defined(BCMDBG_ASSERT)
extern bool sb_taclear(sb_t *sbh);
#endif
#ifdef BCMDBG
extern void sb_dump(sb_t *sbh, struct bcmstrbuf *b);
extern void sb_dumpregs(sb_t *sbh, struct bcmstrbuf *b);
extern void sb_view(sb_t *sbh);
extern void sb_viewall(sb_t *sbh);
extern void sb_clkctl_dump(sb_t *sbh, struct bcmstrbuf *b);
extern uint8 sb_pcieL1plldown(sb_t *sbh);
extern uint32 sb_pcielcreg(sb_t *sbh, uint32 mask, uint32 val);
#endif
extern bool sb_deviceremoved(sb_t *sbh);
extern uint32 sb_socram_size(sb_t *sbh);
/*
* Build device path. Path size must be >= SB_DEVPATH_BUFSZ.
* The returned path is NULL terminated and has trailing '/'.
* Return 0 on success, nonzero otherwise.
*/
extern int sb_devpath(sb_t *sbh, char *path, int size);
/* Read variable with prepending the devpath to the name */
extern char *sb_getdevpathvar(sb_t *sbh, const char *name);
extern int sb_getdevpathintvar(sb_t *sbh, const char *name);
extern uint8 sb_pcieclkreq(sb_t *sbh, uint32 mask, uint32 val);
extern void sb_war42780_clkreq(sb_t *sbh, bool clkreq);
extern void sb_pci_sleep(sb_t *sbh);
extern void sb_pci_down(sb_t *sbh);
extern void sb_pci_up(sb_t *sbh);
/* Wake-on-wireless-LAN (WOWL) */
extern bool sb_pci_pmecap(sb_t *sbh);
extern bool sb_pci_pmeclr(sb_t *sbh);
extern void sb_pci_pmeen(sb_t *sbh);
/* clkctl xtal what flags */
#define XTAL 0x1 /* primary crystal oscillator (2050) */
#define PLL 0x2 /* main chip pll */
/* clkctl clk mode */
#define CLK_FAST 0 /* force fast (pll) clock */
#define CLK_DYNAMIC 2 /* enable dynamic clock control */
/* GPIO usage priorities */
#define GPIO_DRV_PRIORITY 0 /* Driver */
#define GPIO_APP_PRIORITY 1 /* Application */
#define GPIO_HI_PRIORITY 2 /* Highest priority. Ignore GPIO reservation */
/* GPIO pull up/down */
#define GPIO_PULLUP 0
#define GPIO_PULLDN 1
/* GPIO event regtype */
#define GPIO_REGEVT 0 /* GPIO register event */
#define GPIO_REGEVT_INTMSK 1 /* GPIO register event int mask */
#define GPIO_REGEVT_INTPOL 2 /* GPIO register event int polarity */
/* device path */
#define SB_DEVPATH_BUFSZ 16 /* min buffer size in bytes */
#endif /* _sbutils_h_ */