1 /*
2 * Definitions for RTL8187 hardware
3 *
4 * Copyright 2007 Michael Wu <flamingice@sourmilk.net>
5 * Copyright 2007 Andrea Merello <andrea.merello@gmail.com>
6 *
7 * Based on the r8187 driver, which is:
8 * Copyright 2005 Andrea Merello <andrea.merello@gmail.com>, et al.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13 */
14
15 #ifndef RTL8187_H
16 #define RTL8187_H
17
18 #include <linux/cache.h>
19
20 #include "rtl818x.h"
21 #include "leds.h"
22
23 #define RTL8187_EEPROM_TXPWR_BASE 0x05
24 #define RTL8187_EEPROM_MAC_ADDR 0x07
25 #define RTL8187_EEPROM_TXPWR_CHAN_1 0x16 /* 3 channels */
26 #define RTL8187_EEPROM_TXPWR_CHAN_6 0x1B /* 2 channels */
27 #define RTL8187_EEPROM_TXPWR_CHAN_4 0x3D /* 2 channels */
28 #define RTL8187_EEPROM_SELECT_GPIO 0x3B
29
30 #define RTL8187_REQT_READ 0xC0
31 #define RTL8187_REQT_WRITE 0x40
32 #define RTL8187_REQ_GET_REG 0x05
33 #define RTL8187_REQ_SET_REG 0x05
34
35 #define RTL8187_MAX_RX 0x9C4
36
37 #define RFKILL_MASK_8187_89_97 0x2
38 #define RFKILL_MASK_8198 0x4
39
40 #define RETRY_COUNT 7
41
42 struct rtl8187_rx_info {
43 struct urb *urb;
44 struct ieee80211_hw *dev;
45 };
46
47 struct rtl8187_rx_hdr {
48 __le32 flags;
49 u8 noise;
50 u8 signal;
51 u8 agc;
52 u8 reserved;
53 __le64 mac_time;
54 } __packed;
55
56 struct rtl8187b_rx_hdr {
57 __le32 flags;
58 __le64 mac_time;
59 u8 sq;
60 u8 rssi;
61 u8 agc;
62 u8 flags2;
63 __le16 snr_long2end;
64 s8 pwdb_g12;
65 u8 fot;
66 } __packed;
67
68 /* {rtl8187,rtl8187b}_tx_info is in skb */
69
70 struct rtl8187_tx_hdr {
71 __le32 flags;
72 __le16 rts_duration;
73 __le16 len;
74 __le32 retry;
75 } __packed;
76
77 struct rtl8187b_tx_hdr {
78 __le32 flags;
79 __le16 rts_duration;
80 __le16 len;
81 __le32 unused_1;
82 __le16 unused_2;
83 __le16 tx_duration;
84 __le32 unused_3;
85 __le32 retry;
86 __le32 unused_4[2];
87 } __packed;
88
89 enum {
90 DEVICE_RTL8187,
91 DEVICE_RTL8187B
92 };
93
94 struct rtl8187_vif {
95 struct ieee80211_hw *dev;
96
97 /* beaconing */
98 struct delayed_work beacon_work;
99 bool enable_beacon;
100 };
101
102 struct rtl8187_priv {
103 /* common between rtl818x drivers */
104 struct rtl818x_csr *map;
105 const struct rtl818x_rf_ops *rf;
106 struct ieee80211_vif *vif;
107
108 /* The mutex protects the TX loopback state.
109 * Any attempt to set channels concurrently locks the device.
110 */
111 struct mutex conf_mutex;
112
113 /* rtl8187 specific */
114 struct ieee80211_channel channels[14];
115 struct ieee80211_rate rates[12];
116 struct ieee80211_supported_band band;
117 struct usb_device *udev;
118 u32 rx_conf;
119 struct usb_anchor anchored;
120 struct delayed_work work;
121 struct ieee80211_hw *dev;
122 #ifdef CONFIG_RTL8187_LEDS
123 struct rtl8187_led led_radio;
124 struct rtl8187_led led_tx;
125 struct rtl8187_led led_rx;
126 struct delayed_work led_on;
127 struct delayed_work led_off;
128 #endif
129 u16 txpwr_base;
130 u8 asic_rev;
131 u8 is_rtl8187b;
132 enum {
133 RTL8187BvB,
134 RTL8187BvD,
135 RTL8187BvE
136 } hw_rev;
137 struct sk_buff_head rx_queue;
138 u8 signal;
139 u8 noise;
140 u8 slot_time;
141 u8 aifsn[4];
142 u8 rfkill_mask;
143 struct {
144 union {
145 __le64 buf;
146 u8 dummy1[L1_CACHE_BYTES];
147 } ____cacheline_aligned;
148 struct sk_buff_head queue;
149 } b_tx_status; /* This queue is used by both -b and non-b devices */
150 struct mutex io_mutex;
151 union {
152 u8 bits8;
153 __le16 bits16;
154 __le32 bits32;
155 u8 dummy2[L1_CACHE_BYTES];
156 } *io_dmabuf ____cacheline_aligned;
157 bool rfkill_off;
158 u16 seqno;
159 };
160
161 void rtl8187_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data);
162
163 u8 rtl818x_ioread8_idx(struct rtl8187_priv *priv,
164 u8 *addr, u8 idx);
165
rtl818x_ioread8(struct rtl8187_priv * priv,u8 * addr)166 static inline u8 rtl818x_ioread8(struct rtl8187_priv *priv, u8 *addr)
167 {
168 return rtl818x_ioread8_idx(priv, addr, 0);
169 }
170
171 u16 rtl818x_ioread16_idx(struct rtl8187_priv *priv,
172 __le16 *addr, u8 idx);
173
rtl818x_ioread16(struct rtl8187_priv * priv,__le16 * addr)174 static inline u16 rtl818x_ioread16(struct rtl8187_priv *priv, __le16 *addr)
175 {
176 return rtl818x_ioread16_idx(priv, addr, 0);
177 }
178
179 u32 rtl818x_ioread32_idx(struct rtl8187_priv *priv,
180 __le32 *addr, u8 idx);
181
rtl818x_ioread32(struct rtl8187_priv * priv,__le32 * addr)182 static inline u32 rtl818x_ioread32(struct rtl8187_priv *priv, __le32 *addr)
183 {
184 return rtl818x_ioread32_idx(priv, addr, 0);
185 }
186
187 void rtl818x_iowrite8_idx(struct rtl8187_priv *priv,
188 u8 *addr, u8 val, u8 idx);
189
rtl818x_iowrite8(struct rtl8187_priv * priv,u8 * addr,u8 val)190 static inline void rtl818x_iowrite8(struct rtl8187_priv *priv, u8 *addr, u8 val)
191 {
192 rtl818x_iowrite8_idx(priv, addr, val, 0);
193 }
194
195 void rtl818x_iowrite16_idx(struct rtl8187_priv *priv,
196 __le16 *addr, u16 val, u8 idx);
197
rtl818x_iowrite16(struct rtl8187_priv * priv,__le16 * addr,u16 val)198 static inline void rtl818x_iowrite16(struct rtl8187_priv *priv, __le16 *addr,
199 u16 val)
200 {
201 rtl818x_iowrite16_idx(priv, addr, val, 0);
202 }
203
204 void rtl818x_iowrite32_idx(struct rtl8187_priv *priv,
205 __le32 *addr, u32 val, u8 idx);
206
rtl818x_iowrite32(struct rtl8187_priv * priv,__le32 * addr,u32 val)207 static inline void rtl818x_iowrite32(struct rtl8187_priv *priv, __le32 *addr,
208 u32 val)
209 {
210 rtl818x_iowrite32_idx(priv, addr, val, 0);
211 }
212
213 #endif /* RTL8187_H */
214