target/linux/ar71xx/files/arch/mips/ath79/routerboot.h

   1 /*
   2  *  RouterBoot definitions
   3  *
   4  *  Copyright (C) 2012 Gabor Juhos <juhosg@openwrt.org>
   5  *
   6  *  This program is free software; you can redistribute it and/or modify it
   7  *  under the terms of the GNU General Public License version 2 as published
   8  *  by the Free Software Foundation.
   9  */
  10
  11 #ifndef _ATH79_ROUTERBOOT_H_
  12 #define _ATH79_ROUTERBOOT_H_
  13
  14 struct rb_info {
  15         unsigned int hard_cfg_offs;
  16         unsigned int hard_cfg_size;
  17         void *hard_cfg_data;
  18         unsigned int soft_cfg_offs;
  19
  20         const char *board_name;
  21         u32 hw_options;
  22 };
  23
  24 /* Bit definitions for hardware options */
  25 #define RB_HW_OPT_UART_ABSENT           BIT(0)
  26 #define RB_HW_OPT_HAS_VOLTAGE           BIT(1)
  27 #define RB_HW_OPT_HAS_USB               BIT(2)
  28 #define RB_HW_OPT_HAS_ATTINY            BIT(3)
  29 #define RB_HW_OPT_NO_NAND               BIT(14)
  30 #define RB_HW_OPT_HAS_LCD               BIT(15)
  31 #define RB_HW_OPT_HAS_POE_OUT           BIT(16)
  32 #define RB_HW_OPT_HAS_uSD               BIT(17)
  33 #define RB_HW_OPT_HAS_SFP               BIT(20)
  34 #define RB_HW_OPT_HAS_WIFI              BIT(21)
  35 #define RB_HW_OPT_HAS_TS_FOR_ADC        BIT(22)
  36 #define RB_HW_OPT_HAS_PLC               BIT(29)
  37
  38 static inline bool
  39 rb_hw_option_match(const struct rb_info *info, u32 mask, u32 val)
  40 {
  41         return (info->hw_options & (val | mask)) == val;
  42 }
  43
  44 static inline bool
  45 rb_has_hw_option(const struct rb_info *info, u32 mask)
  46 {
  47         return rb_hw_option_match(info, mask, mask);
  48 }
  49
  50 #ifdef CONFIG_ATH79_ROUTERBOOT
  51 const struct rb_info *rb_init_info(void *data, unsigned int size);
  52 void *rb_get_wlan_data(void);
  53 void *rb_get_ext_wlan_data(u16 id);
  54
  55 int routerboot_find_tag(u8 *buf, unsigned int buflen, u16 tag_id,
  56                         u8 **tag_data, u16 *tag_len);
  57 int routerboot_find_magic(u8 *buf, unsigned int buflen, u32 *offset, bool hard);
  58 #else
  59 static inline const struct rb_info *
  60 rb_init_info(void *data, unsigned int size)
  61 {
  62         return NULL;
  63 }
  64
  65 static inline void *rb_get_wlan_data(void)
  66 {
  67         return NULL;
  68 }
  69
  70 static inline void *rb_get_wlan_data(u16 id)
  71 {
  72         return NULL;
  73 }
  74
  75 static inline int
  76 routerboot_find_tag(u8 *buf, unsigned int buflen, u16 tag_id,
  77                     u8 **tag_data, u16 *tag_len)
  78 {
  79         return -ENOENT;
  80 }
  81
  82 static inline int
  83 routerboot_find_magic(u8 *buf, unsigned int buflen, u32 *offset, bool hard)
  84 {
  85         return -ENOENT;
  86 }
  87 #endif
  88
  89 #endif /* _ATH79_ROUTERBOOT_H_ */