release/src-rt/include/bcmotp.h

   1 /*
   2  * OTP support.
   3  *
   4  * Copyright (C) 2010, Broadcom Corporation. All Rights Reserved.
   5  *
   6  * Permission to use, copy, modify, and/or distribute this software for any
   7  * purpose with or without fee is hereby granted, provided that the above
   8  * copyright notice and this permission notice appear in all copies.
   9  *
  10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  13  * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
  15  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
  16  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  17  *
  18  * $Id: bcmotp.h,v 13.32.18.4 2011-01-17 10:33:12 Exp $
  19  */
  20
  21 #ifndef _bcmotp_h_
  22 #define _bcmotp_h_
  23
  24 /* OTP regions */
  25 #define OTP_HW_RGN      1
  26 #define OTP_SW_RGN      2
  27 #define OTP_CI_RGN      4
  28 #define OTP_FUSE_RGN    8
  29 #define OTP_ALL_RGN     0xf     /* From h/w region to end of OTP including checksum */
  30
  31 /* OTP Size */
  32 #define OTP_SZ_MAX              (6144/8)        /* maximum bytes in one CIS */
  33
  34 /* Fixed size subregions sizes in words */
  35 #define OTPGU_CI_SZ             2
  36
  37 /* OTP usage */
  38 #define OTP4325_FM_DISABLED_OFFSET      188
  39
  40
  41 /* Exported functions */
  42 extern int      otp_status(void *oh);
  43 extern int      otp_size(void *oh);
  44 extern uint16   otp_read_bit(void *oh, uint offset);
  45 extern void*    otp_init(si_t *sih);
  46 extern int      otp_read_region(si_t *sih, int region, uint16 *data, uint *wlen);
  47 extern int      otp_read_word(si_t *sih, uint wn, uint16 *data);
  48 extern int      otp_nvread(void *oh, char *data, uint *len);
  49 #ifdef BCMNVRAMW
  50 extern int      otp_write_region(si_t *sih, int region, uint16 *data, uint wlen);
  51 extern int      otp_write_word(si_t *sih, uint wn, uint16 data);
  52 extern int      otp_cis_append_region(si_t *sih, int region, char *vars, int count);
  53 extern int      otp_lock(si_t *sih);
  54 extern int      otp_nvwrite(void *oh, uint16 *data, uint wlen);
  55 #endif /* BCMNVRAMW */
  56
  57 #if defined(WLTEST)
  58 extern int      otp_dump(void *oh, int arg, char *buf, uint size);
  59 extern int      otp_dumpstats(void *oh, int arg, char *buf, uint size);
  60 #endif
  61
  62 #if defined(BCMNVRAMW)
  63 #define otp_write_rde(oh, rde, bit, val)        ipxotp_write_rde(oh, rde, bit, val)
  64 extern int      ipxotp_write_rde(void *oh, int rde, uint bit, uint val);
  65 #endif
  66
  67 #endif /* _bcmotp_h_ */