diff options
Diffstat (limited to 'target/linux/brcm-2.4/files/arch/mips/bcm947xx/include/bcmutils.h')
-rw-r--r-- | target/linux/brcm-2.4/files/arch/mips/bcm947xx/include/bcmutils.h | 433 |
1 files changed, 433 insertions, 0 deletions
diff --git a/target/linux/brcm-2.4/files/arch/mips/bcm947xx/include/bcmutils.h b/target/linux/brcm-2.4/files/arch/mips/bcm947xx/include/bcmutils.h new file mode 100644 index 000000000..b200f6236 --- /dev/null +++ b/target/linux/brcm-2.4/files/arch/mips/bcm947xx/include/bcmutils.h @@ -0,0 +1,433 @@ +/* + * Misc useful os-independent macros and functions. + * + * Copyright 2006, 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: bcmutils.h,v 1.1.1.16 2006/04/08 06:13:39 honor Exp $ + */ + +#ifndef _bcmutils_h_ +#define _bcmutils_h_ + +/* ** driver-only section ** */ +#ifdef BCMDRIVER + +#define _BCM_U 0x01 /* upper */ +#define _BCM_L 0x02 /* lower */ +#define _BCM_D 0x04 /* digit */ +#define _BCM_C 0x08 /* cntrl */ +#define _BCM_P 0x10 /* punct */ +#define _BCM_S 0x20 /* white space (space/lf/tab) */ +#define _BCM_X 0x40 /* hex digit */ +#define _BCM_SP 0x80 /* hard space (0x20) */ + +#define GPIO_PIN_NOTDEFINED 0x20 /* Pin not defined */ + +extern unsigned char bcm_ctype[]; +#define bcm_ismask(x) (bcm_ctype[(int)(unsigned char)(x)]) + +#define bcm_isalnum(c) ((bcm_ismask(c)&(_BCM_U|_BCM_L|_BCM_D)) != 0) +#define bcm_isalpha(c) ((bcm_ismask(c)&(_BCM_U|_BCM_L)) != 0) +#define bcm_iscntrl(c) ((bcm_ismask(c)&(_BCM_C)) != 0) +#define bcm_isdigit(c) ((bcm_ismask(c)&(_BCM_D)) != 0) +#define bcm_isgraph(c) ((bcm_ismask(c)&(_BCM_P|_BCM_U|_BCM_L|_BCM_D)) != 0) +#define bcm_islower(c) ((bcm_ismask(c)&(_BCM_L)) != 0) +#define bcm_isprint(c) ((bcm_ismask(c)&(_BCM_P|_BCM_U|_BCM_L|_BCM_D|_BCM_SP)) != 0) +#define bcm_ispunct(c) ((bcm_ismask(c)&(_BCM_P)) != 0) +#define bcm_isspace(c) ((bcm_ismask(c)&(_BCM_S)) != 0) +#define bcm_isupper(c) ((bcm_ismask(c)&(_BCM_U)) != 0) +#define bcm_isxdigit(c) ((bcm_ismask(c)&(_BCM_D|_BCM_X)) != 0) + +/* + * Spin at most 'us' microseconds while 'exp' is true. + * Caller should explicitly test 'exp' when this completes + * and take appropriate error action if 'exp' is still true. + */ +#define SPINWAIT(exp, us) { \ + uint countdown = (us) + 9; \ + while ((exp) && (countdown >= 10)) {\ + OSL_DELAY(10); \ + countdown -= 10; \ + } \ +} + +struct ether_addr { + uint8 octet[6]; +} __attribute__((packed)); + +/* string */ +extern uchar bcm_toupper(uchar c); +extern ulong bcm_strtoul(char *cp, char **endp, uint base); +extern char *bcmstrstr(char *haystack, char *needle); +extern char *bcmstrcat(char *dest, const char *src); +extern ulong wchar2ascii(char *abuf, ushort *wbuf, ushort wbuflen, ulong abuflen); +/* ethernet address */ +extern char *bcm_ether_ntoa(struct ether_addr *ea, char *buf); +/* variable access */ +extern char *getvar(char *vars, char *name); +extern int getintvar(char *vars, char *name); +extern uint getgpiopin(char *vars, char *pin_name, uint def_pin); +#ifdef BCMPERFSTATS +extern void bcm_perf_enable(void); +extern void bcmstats(char *fmt); +extern void bcmlog(char *fmt, uint a1, uint a2); +extern void bcmdumplog(char *buf, int size); +extern int bcmdumplogent(char *buf, uint idx); +#else +#define bcm_perf_enable() +#define bcmstats(fmt) +#define bcmlog(fmt, a1, a2) +#define bcmdumplog(buf, size) *buf = '\0' +#define bcmdumplogent(buf, idx) -1 +#endif /* BCMPERFSTATS */ +extern char *bcm_nvram_vars(uint *length); +extern int bcm_nvram_cache(void *sbh); + +/* Support for sharing code across in-driver iovar implementations. + * The intent is that a driver use this structure to map iovar names + * to its (private) iovar identifiers, and the lookup function to + * find the entry. Macros are provided to map ids and get/set actions + * into a single number space for a switch statement. + */ + +/* iovar structure */ +typedef struct bcm_iovar { + const char *name; /* name for lookup and display */ + uint16 varid; /* id for switch */ + uint16 flags; /* driver-specific flag bits */ + uint16 type; /* base type of argument */ + uint16 minlen; /* min length for buffer vars */ +} bcm_iovar_t; + +/* varid definitions are per-driver, may use these get/set bits */ + +/* IOVar action bits for id mapping */ +#define IOV_GET 0 /* Get an iovar */ +#define IOV_SET 1 /* Set an iovar */ + +/* Varid to actionid mapping */ +#define IOV_GVAL(id) ((id)*2) +#define IOV_SVAL(id) (((id)*2)+IOV_SET) +#define IOV_ISSET(actionid) ((actionid & IOV_SET) == IOV_SET) + +/* flags are per-driver based on driver attributes */ + +/* Base type definitions */ +#define IOVT_VOID 0 /* no value (implictly set only) */ +#define IOVT_BOOL 1 /* any value ok (zero/nonzero) */ +#define IOVT_INT8 2 /* integer values are range-checked */ +#define IOVT_UINT8 3 /* unsigned int 8 bits */ +#define IOVT_INT16 4 /* int 16 bits */ +#define IOVT_UINT16 5 /* unsigned int 16 bits */ +#define IOVT_INT32 6 /* int 32 bits */ +#define IOVT_UINT32 7 /* unsigned int 32 bits */ +#define IOVT_BUFFER 8 /* buffer is size-checked as per minlen */ + +extern const bcm_iovar_t *bcm_iovar_lookup(const bcm_iovar_t *table, const char *name); +extern int bcm_iovar_lencheck(const bcm_iovar_t *table, void *arg, int len, bool set); + +#endif /* #ifdef BCMDRIVER */ + +/* ** driver/apps-shared section ** */ + +#define BCME_STRLEN 64 /* Max string length for BCM errors */ +#define VALID_BCMERROR(e) ((e <= 0) && (e >= BCME_LAST)) + + +/* + * error codes could be added but the defined ones shouldn't be changed/deleted + * these error codes are exposed to the user code + * when ever a new error code is added to this list + * please update errorstring table with the related error string and + * update osl files with os specific errorcode map +*/ + +#define BCME_OK 0 /* Success */ +#define BCME_ERROR -1 /* Error generic */ +#define BCME_BADARG -2 /* Bad Argument */ +#define BCME_BADOPTION -3 /* Bad option */ +#define BCME_NOTUP -4 /* Not up */ +#define BCME_NOTDOWN -5 /* Not down */ +#define BCME_NOTAP -6 /* Not AP */ +#define BCME_NOTSTA -7 /* Not STA */ +#define BCME_BADKEYIDX -8 /* BAD Key Index */ +#define BCME_RADIOOFF -9 /* Radio Off */ +#define BCME_NOTBANDLOCKED -10 /* Not band locked */ +#define BCME_NOCLK -11 /* No Clock */ +#define BCME_BADRATESET -12 /* BAD Rate valueset */ +#define BCME_BADBAND -13 /* BAD Band */ +#define BCME_BUFTOOSHORT -14 /* Buffer too short */ +#define BCME_BUFTOOLONG -15 /* Buffer too long */ +#define BCME_BUSY -16 /* Busy */ +#define BCME_NOTASSOCIATED -17 /* Not Associated */ +#define BCME_BADSSIDLEN -18 /* Bad SSID len */ +#define BCME_OUTOFRANGECHAN -19 /* Out of Range Channel */ +#define BCME_BADCHAN -20 /* Bad Channel */ +#define BCME_BADADDR -21 /* Bad Address */ +#define BCME_NORESOURCE -22 /* Not Enough Resources */ +#define BCME_UNSUPPORTED -23 /* Unsupported */ +#define BCME_BADLEN -24 /* Bad length */ +#define BCME_NOTREADY -25 /* Not Ready */ +#define BCME_EPERM -26 /* Not Permitted */ +#define BCME_NOMEM -27 /* No Memory */ +#define BCME_ASSOCIATED -28 /* Associated */ +#define BCME_RANGE -29 /* Not In Range */ +#define BCME_NOTFOUND -30 /* Not Found */ +#define BCME_WME_NOT_ENABLED -31 /* WME Not Enabled */ +#define BCME_TSPEC_NOTFOUND -32 /* TSPEC Not Found */ +#define BCME_ACM_NOTSUPPORTED -33 /* ACM Not Supported */ +#define BCME_NOT_WME_ASSOCIATION -34 /* Not WME Association */ +#define BCME_SDIO_ERROR -35 /* SDIO Bus Error */ +#define BCME_DONGLE_DOWN -36 /* Dongle Not Accessible */ +#define BCME_LAST BCME_DONGLE_DOWN + +/* These are collection of BCME Error strings */ +#define BCMERRSTRINGTABLE { \ + "OK", \ + "Undefined error", \ + "Bad Argument", \ + "Bad Option", \ + "Not up", \ + "Not down", \ + "Not AP", \ + "Not STA", \ + "Bad Key Index", \ + "Radio Off", \ + "Not band locked", \ + "No clock", \ + "Bad Rate valueset", \ + "Bad Band", \ + "Buffer too short", \ + "Buffer too long", \ + "Busy", \ + "Not Associated", \ + "Bad SSID len", \ + "Out of Range Channel", \ + "Bad Channel", \ + "Bad Address", \ + "Not Enough Resources", \ + "Unsupported", \ + "Bad length", \ + "Not Ready", \ + "Not Permitted", \ + "No Memory", \ + "Associated", \ + "Not In Range", \ + "Not Found", \ + "WME Not Enabled", \ + "TSPEC Not Found", \ + "ACM Not Supported", \ + "Not WME Association", \ + "SDIO Bus Error", \ + "Dongle Not Accessible" \ +} + +#ifndef ABS +#define ABS(a) (((a) < 0)?-(a):(a)) +#endif /* ABS */ + +#ifndef MIN +#define MIN(a, b) (((a) < (b))?(a):(b)) +#endif /* MIN */ + +#ifndef MAX +#define MAX(a, b) (((a) > (b))?(a):(b)) +#endif /* MAX */ + +#define CEIL(x, y) (((x) + ((y)-1)) / (y)) +#define ROUNDUP(x, y) ((((x)+((y)-1))/(y))*(y)) +#define ISALIGNED(a, x) (((a) & ((x)-1)) == 0) +#define ISPOWEROF2(x) ((((x)-1)&(x)) == 0) +#define VALID_MASK(mask) !((mask) & ((mask) + 1)) +#define OFFSETOF(type, member) ((uint)(uintptr)&((type *)0)->member) +#define ARRAYSIZE(a) (sizeof(a)/sizeof(a[0])) + +/* bit map related macros */ +#ifndef setbit +#ifndef NBBY /* the BSD family defines NBBY */ +#define NBBY 8 /* 8 bits per byte */ +#endif /* #ifndef NBBY */ +#define setbit(a, i) (((uint8 *)a)[(i)/NBBY] |= 1<<((i)%NBBY)) +#define clrbit(a, i) (((uint8 *)a)[(i)/NBBY] &= ~(1<<((i)%NBBY))) +#define isset(a, i) (((uint8 *)a)[(i)/NBBY] & (1<<((i)%NBBY))) +#define isclr(a, i) ((((uint8 *)a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0) +#endif /* setbit */ + +#define NBITS(type) (sizeof(type) * 8) +#define NBITVAL(nbits) (1 << (nbits)) +#define MAXBITVAL(nbits) ((1 << (nbits)) - 1) +#define NBITMASK(nbits) MAXBITVAL(nbits) +#define MAXNBVAL(nbyte) MAXBITVAL((nbyte) * 8) + +/* basic mux operation - can be optimized on several architectures */ +#define MUX(pred, true, false) ((pred) ? (true) : (false)) + +/* modulo inc/dec - assumes x E [0, bound - 1] */ +#define MODDEC(x, bound) MUX((x) == 0, (bound) - 1, (x) - 1) +#define MODINC(x, bound) MUX((x) == (bound) - 1, 0, (x) + 1) + +/* modulo inc/dec, bound = 2^k */ +#define MODDEC_POW2(x, bound) (((x) - 1) & ((bound) - 1)) +#define MODINC_POW2(x, bound) (((x) + 1) & ((bound) - 1)) + +/* modulo add/sub - assumes x, y E [0, bound - 1] */ +#define MODADD(x, y, bound) \ + MUX((x) + (y) >= (bound), (x) + (y) - (bound), (x) + (y)) +#define MODSUB(x, y, bound) \ + MUX(((int)(x)) - ((int)(y)) < 0, (x) - (y) + (bound), (x) - (y)) + +/* module add/sub, bound = 2^k */ +#define MODADD_POW2(x, y, bound) (((x) + (y)) & ((bound) - 1)) +#define MODSUB_POW2(x, y, bound) (((x) - (y)) & ((bound) - 1)) + +/* crc defines */ +#define CRC8_INIT_VALUE 0xff /* Initial CRC8 checksum value */ +#define CRC8_GOOD_VALUE 0x9f /* Good final CRC8 checksum value */ +#define CRC16_INIT_VALUE 0xffff /* Initial CRC16 checksum value */ +#define CRC16_GOOD_VALUE 0xf0b8 /* Good final CRC16 checksum value */ +#define CRC32_INIT_VALUE 0xffffffff /* Initial CRC32 checksum value */ +#define CRC32_GOOD_VALUE 0xdebb20e3 /* Good final CRC32 checksum value */ + +/* bcm_format_flags() bit description structure */ +typedef struct bcm_bit_desc { + uint32 bit; + char* name; +} bcm_bit_desc_t; + +/* tag_ID/length/value_buffer tuple */ +typedef struct bcm_tlv { + uint8 id; + uint8 len; + uint8 data[1]; +} bcm_tlv_t; + +/* Check that bcm_tlv_t fits into the given buflen */ +#define bcm_valid_tlv(elt, buflen) ((buflen) >= 2 && (int)(buflen) >= (int)(2 + (elt)->len)) + +/* buffer length for ethernet address from bcm_ether_ntoa() */ +#define ETHER_ADDR_STR_LEN 18 /* 18-bytes of Ethernet address buffer length */ + +/* unaligned load and store macros */ +#ifdef IL_BIGENDIAN +static INLINE uint32 +load32_ua(uint8 *a) +{ + return ((a[0] << 24) | (a[1] << 16) | (a[2] << 8) | a[3]); +} + +static INLINE void +store32_ua(uint8 *a, uint32 v) +{ + a[0] = (v >> 24) & 0xff; + a[1] = (v >> 16) & 0xff; + a[2] = (v >> 8) & 0xff; + a[3] = v & 0xff; +} + +static INLINE uint16 +load16_ua(uint8 *a) +{ + return ((a[0] << 8) | a[1]); +} + +static INLINE void +store16_ua(uint8 *a, uint16 v) +{ + a[0] = (v >> 8) & 0xff; + a[1] = v & 0xff; +} + +#else + +static INLINE uint32 +load32_ua(uint8 *a) +{ + return ((a[3] << 24) | (a[2] << 16) | (a[1] << 8) | a[0]); +} + +static INLINE void +store32_ua(uint8 *a, uint32 v) +{ + a[3] = (v >> 24) & 0xff; + a[2] = (v >> 16) & 0xff; + a[1] = (v >> 8) & 0xff; + a[0] = v & 0xff; +} + +static INLINE uint16 +load16_ua(uint8 *a) +{ + return ((a[1] << 8) | a[0]); +} + +static INLINE void +store16_ua(uint8 *a, uint16 v) +{ + a[1] = (v >> 8) & 0xff; + a[0] = v & 0xff; +} + +#endif /* IL_BIGENDIAN */ + +/* externs */ +/* crc */ +extern uint8 hndcrc8(uint8 *p, uint nbytes, uint8 crc); +extern uint16 hndcrc16(uint8 *p, uint nbytes, uint16 crc); +extern uint32 hndcrc32(uint8 *p, uint nbytes, uint32 crc); +/* format/print */ +extern void printfbig(char *buf); + +/* IE parsing */ +extern bcm_tlv_t *bcm_next_tlv(bcm_tlv_t *elt, int *buflen); +extern bcm_tlv_t *bcm_parse_tlvs(void *buf, int buflen, uint key); +extern bcm_tlv_t *bcm_parse_ordered_tlvs(void *buf, int buflen, uint key); + +/* bcmerror */ +extern const char *bcmerrorstr(int bcmerror); + +/* multi-bool data type: set of bools, mbool is true if any is set */ +typedef uint32 mbool; +#define mboolset(mb, bit) (mb |= bit) /* set one bool */ +#define mboolclr(mb, bit) (mb &= ~bit) /* clear one bool */ +#define mboolisset(mb, bit) ((mb & bit) != 0) /* TRUE if one bool is set */ +#define mboolmaskset(mb, mask, val) ((mb) = (((mb) & ~(mask)) | (val))) + +/* power conversion */ +extern uint16 bcm_qdbm_to_mw(uint8 qdbm); +extern uint8 bcm_mw_to_qdbm(uint16 mw); + +/* generic datastruct to help dump routines */ +struct fielddesc { + char *nameandfmt; + uint32 offset; + uint32 len; +}; + +/* Buffer structure for collecting string-formatted data +* using bcm_bprintf() API. +* Use bcm_binit() to initialize before use +*/ +struct bcmstrbuf +{ + char *buf; /* pointer to current position in origbuf */ + uint size; /* current (residual) size in bytes */ + char *origbuf; /* unmodified pointer to orignal buffer */ + uint origsize; /* unmodified orignal buffer size in bytes */ +}; + +extern void bcm_binit(struct bcmstrbuf *b, char *buf, uint size); +extern int bcm_bprintf(struct bcmstrbuf *b, const char *fmt, ...); + +typedef uint32 (*readreg_rtn)(void *arg0, void *arg1, uint32 offset); +extern uint bcmdumpfields(readreg_rtn func_ptr, void *arg0, void *arg1, struct fielddesc *str, + char *buf, uint32 bufsize); + +extern uint bcm_mkiovar(char *name, char *data, uint datalen, char *buf, uint len); +extern uint bcm_bitcount(uint8 *bitmap, uint bytelength); + +#endif /* _bcmutils_h_ */ |