1 /******************************************************************************
2  *
3  * Copyright(c) 2009-2010  Realtek Corporation.
4  *
5  * This program is free software; you can redistribute it and/or modify it
6  * under the terms of version 2 of the GNU General Public License as
7  * published by the Free Software Foundation.
8  *
9  * This program is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
12  * more details.
13  *
14  * You should have received a copy of the GNU General Public License along with
15  * this program; if not, write to the Free Software Foundation, Inc.,
16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
17  *
18  * The full GNU General Public License is included in this distribution in the
19  * file called LICENSE.
20  *
21  * Contact Information:
22  * wlanfae <wlanfae@realtek.com>
23  * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
24  * Hsinchu 300, Taiwan.
25  *
26  * Larry Finger <Larry.Finger@lwfinger.net>
27  *
28  *****************************************************************************/
29 
30 #ifndef __RTL_EFUSE_H_
31 #define __RTL_EFUSE_H_
32 
33 #define EFUSE_REAL_CONTENT_LEN		512
34 #define EFUSE_MAP_LEN			128
35 #define EFUSE_MAX_SECTION		16
36 #define EFUSE_MAX_WORD_UNIT		4
37 
38 #define EFUSE_INIT_MAP			0
39 #define EFUSE_MODIFY_MAP		1
40 
41 #define PG_STATE_HEADER			0x01
42 #define PG_STATE_WORD_0			0x02
43 #define PG_STATE_WORD_1			0x04
44 #define PG_STATE_WORD_2			0x08
45 #define PG_STATE_WORD_3			0x10
46 #define PG_STATE_DATA			0x20
47 
48 #define PG_SWBYTE_H			0x01
49 #define PG_SWBYTE_L			0x02
50 
51 #define _POWERON_DELAY_
52 #define _PRE_EXECUTE_READ_CMD_
53 
54 #define EFUSE_REPEAT_THRESHOLD_		3
55 
56 struct efuse_map {
57 	u8 offset;
58 	u8 word_start;
59 	u8 byte_start;
60 	u8 byte_cnts;
61 };
62 
63 struct pgpkt_struct {
64 	u8 offset;
65 	u8 word_en;
66 	u8 data[8];
67 };
68 
69 enum efuse_data_item {
70 	EFUSE_CHIP_ID = 0,
71 	EFUSE_LDO_SETTING,
72 	EFUSE_CLK_SETTING,
73 	EFUSE_SDIO_SETTING,
74 	EFUSE_CCCR,
75 	EFUSE_SDIO_MODE,
76 	EFUSE_OCR,
77 	EFUSE_F0CIS,
78 	EFUSE_F1CIS,
79 	EFUSE_MAC_ADDR,
80 	EFUSE_EEPROM_VER,
81 	EFUSE_CHAN_PLAN,
82 	EFUSE_TXPW_TAB
83 };
84 
85 enum {
86 	VOLTAGE_V25 = 0x03,
87 	LDOE25_SHIFT = 28,
88 };
89 
90 struct efuse_priv {
91 	u8 id[2];
92 	u8 ldo_setting[2];
93 	u8 clk_setting[2];
94 	u8 cccr;
95 	u8 sdio_mode;
96 	u8 ocr[3];
97 	u8 cis0[17];
98 	u8 cis1[48];
99 	u8 mac_addr[6];
100 	u8 eeprom_verno;
101 	u8 channel_plan;
102 	u8 tx_power_b[14];
103 	u8 tx_power_g[14];
104 };
105 
106 extern void efuse_initialize(struct ieee80211_hw *hw);
107 extern u8 efuse_read_1byte(struct ieee80211_hw *hw, u16 address);
108 extern void efuse_write_1byte(struct ieee80211_hw *hw, u16 address, u8 value);
109 extern void read_efuse(struct ieee80211_hw *hw, u16 _offset,
110 		       u16 _size_byte, u8 *pbuf);
111 extern void efuse_shadow_read(struct ieee80211_hw *hw, u8 type,
112 			      u16 offset, u32 *value);
113 extern void efuse_shadow_write(struct ieee80211_hw *hw, u8 type,
114 			       u16 offset, u32 value);
115 extern bool efuse_shadow_update(struct ieee80211_hw *hw);
116 extern bool efuse_shadow_update_chk(struct ieee80211_hw *hw);
117 extern void rtl_efuse_shadow_map_update(struct ieee80211_hw *hw);
118 extern void efuse_force_write_vendor_Id(struct ieee80211_hw *hw);
119 extern void efuse_re_pg_section(struct ieee80211_hw *hw, u8 section_idx);
120 
121 #endif
122