tjh.dev
Linux kernel mirror (for testing)
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linux
1/*
2 * Definitions for RTL8187 hardware
3 *
4 * Copyright 2007 Michael Wu <flamingice@sourmilk.net>
5 * Copyright 2007 Andrea Merello <andreamrl@tiscali.it>
6 *
7 * Based on the r8187 driver, which is:
8 * Copyright 2005 Andrea Merello <andreamrl@tiscali.it>, 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 "rtl818x.h"
19
20#define RTL8187_EEPROM_TXPWR_BASE 0x05
21#define RTL8187_EEPROM_MAC_ADDR 0x07
22#define RTL8187_EEPROM_TXPWR_CHAN_1 0x16 /* 3 channels */
23#define RTL8187_EEPROM_TXPWR_CHAN_6 0x1B /* 2 channels */
24#define RTL8187_EEPROM_TXPWR_CHAN_4 0x3D /* 2 channels */
25
26#define RTL8187_REQT_READ 0xC0
27#define RTL8187_REQT_WRITE 0x40
28#define RTL8187_REQ_GET_REG 0x05
29#define RTL8187_REQ_SET_REG 0x05
30
31#define RTL8187_MAX_RX 0x9C4
32
33struct rtl8187_rx_info {
34 struct urb *urb;
35 struct ieee80211_hw *dev;
36};
37
38struct rtl8187_rx_hdr {
39 __le32 flags;
40 u8 noise;
41 u8 signal;
42 u8 agc;
43 u8 reserved;
44 __le64 mac_time;
45} __attribute__((packed));
46
47struct rtl8187b_rx_hdr {
48 __le32 flags;
49 __le64 mac_time;
50 u8 sq;
51 u8 rssi;
52 u8 agc;
53 u8 flags2;
54 __le16 snr_long2end;
55 s8 pwdb_g12;
56 u8 fot;
57} __attribute__((packed));
58
59/* {rtl8187,rtl8187b}_tx_info is in skb */
60
61struct rtl8187_tx_hdr {
62 __le32 flags;
63 __le16 rts_duration;
64 __le16 len;
65 __le32 retry;
66} __attribute__((packed));
67
68struct rtl8187b_tx_hdr {
69 __le32 flags;
70 __le16 rts_duration;
71 __le16 len;
72 __le32 unused_1;
73 __le16 unused_2;
74 __le16 tx_duration;
75 __le32 unused_3;
76 __le32 retry;
77 __le32 unused_4[2];
78} __attribute__((packed));
79
80enum {
81 DEVICE_RTL8187,
82 DEVICE_RTL8187B
83};
84
85struct rtl8187_priv {
86 /* common between rtl818x drivers */
87 struct rtl818x_csr *map;
88 const struct rtl818x_rf_ops *rf;
89 struct ieee80211_vif *vif;
90 int mode;
91 /* The mutex protects the TX loopback state.
92 * Any attempt to set channels concurrently locks the device.
93 */
94 struct mutex conf_mutex;
95
96 /* rtl8187 specific */
97 struct ieee80211_channel channels[14];
98 struct ieee80211_rate rates[12];
99 struct ieee80211_supported_band band;
100 struct usb_device *udev;
101 u32 rx_conf;
102 u16 txpwr_base;
103 u16 seqno;
104 u8 asic_rev;
105 u8 is_rtl8187b;
106 enum {
107 RTL8187BvB,
108 RTL8187BvD,
109 RTL8187BvE
110 } hw_rev;
111 struct sk_buff_head rx_queue;
112 u8 signal;
113 u8 quality;
114 u8 noise;
115};
116
117void rtl8187_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data);
118
119static inline u8 rtl818x_ioread8_idx(struct rtl8187_priv *priv,
120 u8 *addr, u8 idx)
121{
122 u8 val;
123
124 usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
125 RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
126 (unsigned long)addr, idx & 0x03, &val,
127 sizeof(val), HZ / 2);
128
129 return val;
130}
131
132static inline u8 rtl818x_ioread8(struct rtl8187_priv *priv, u8 *addr)
133{
134 return rtl818x_ioread8_idx(priv, addr, 0);
135}
136
137static inline u16 rtl818x_ioread16_idx(struct rtl8187_priv *priv,
138 __le16 *addr, u8 idx)
139{
140 __le16 val;
141
142 usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
143 RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
144 (unsigned long)addr, idx & 0x03, &val,
145 sizeof(val), HZ / 2);
146
147 return le16_to_cpu(val);
148}
149
150static inline u16 rtl818x_ioread16(struct rtl8187_priv *priv, __le16 *addr)
151{
152 return rtl818x_ioread16_idx(priv, addr, 0);
153}
154
155static inline u32 rtl818x_ioread32_idx(struct rtl8187_priv *priv,
156 __le32 *addr, u8 idx)
157{
158 __le32 val;
159
160 usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
161 RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
162 (unsigned long)addr, idx & 0x03, &val,
163 sizeof(val), HZ / 2);
164
165 return le32_to_cpu(val);
166}
167
168static inline u32 rtl818x_ioread32(struct rtl8187_priv *priv, __le32 *addr)
169{
170 return rtl818x_ioread32_idx(priv, addr, 0);
171}
172
173static inline void rtl818x_iowrite8_idx(struct rtl8187_priv *priv,
174 u8 *addr, u8 val, u8 idx)
175{
176 usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
177 RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
178 (unsigned long)addr, idx & 0x03, &val,
179 sizeof(val), HZ / 2);
180}
181
182static inline void rtl818x_iowrite8(struct rtl8187_priv *priv, u8 *addr, u8 val)
183{
184 rtl818x_iowrite8_idx(priv, addr, val, 0);
185}
186
187static inline void rtl818x_iowrite16_idx(struct rtl8187_priv *priv,
188 __le16 *addr, u16 val, u8 idx)
189{
190 __le16 buf = cpu_to_le16(val);
191
192 usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
193 RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
194 (unsigned long)addr, idx & 0x03, &buf, sizeof(buf),
195 HZ / 2);
196}
197
198static inline void rtl818x_iowrite16(struct rtl8187_priv *priv, __le16 *addr,
199 u16 val)
200{
201 rtl818x_iowrite16_idx(priv, addr, val, 0);
202}
203
204static inline void rtl818x_iowrite32_idx(struct rtl8187_priv *priv,
205 __le32 *addr, u32 val, u8 idx)
206{
207 __le32 buf = cpu_to_le32(val);
208
209 usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
210 RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
211 (unsigned long)addr, idx & 0x03, &buf, sizeof(buf),
212 HZ / 2);
213}
214
215static inline void rtl818x_iowrite32(struct rtl8187_priv *priv, __le32 *addr,
216 u32 val)
217{
218 rtl818x_iowrite32_idx(priv, addr, val, 0);
219}
220
221#endif /* RTL8187_H */