tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
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
61/* Tx flags are common between rtl8187 and rtl8187b */
62#define RTL8187_TX_FLAG_NO_ENCRYPT (1 << 15)
63#define RTL8187_TX_FLAG_MORE_FRAG (1 << 17)
64#define RTL8187_TX_FLAG_CTS (1 << 18)
65#define RTL8187_TX_FLAG_RTS (1 << 23)
66
67struct rtl8187_tx_hdr {
68 __le32 flags;
69 __le16 rts_duration;
70 __le16 len;
71 __le32 retry;
72} __attribute__((packed));
73
74struct rtl8187b_tx_hdr {
75 __le32 flags;
76 __le16 rts_duration;
77 __le16 len;
78 __le32 unused_1;
79 __le16 unused_2;
80 __le16 tx_duration;
81 __le32 unused_3;
82 __le32 retry;
83 __le32 unused_4[2];
84} __attribute__((packed));
85
86enum {
87 DEVICE_RTL8187,
88 DEVICE_RTL8187B
89};
90
91struct rtl8187_priv {
92 /* common between rtl818x drivers */
93 struct rtl818x_csr *map;
94 const struct rtl818x_rf_ops *rf;
95 struct ieee80211_vif *vif;
96 int mode;
97 /* The mutex protects the TX loopback state.
98 * Any attempt to set channels concurrently locks the device.
99 */
100 struct mutex conf_mutex;
101
102 /* rtl8187 specific */
103 struct ieee80211_channel channels[14];
104 struct ieee80211_rate rates[12];
105 struct ieee80211_supported_band band;
106 struct usb_device *udev;
107 u32 rx_conf;
108 u16 txpwr_base;
109 u16 seqno;
110 u8 asic_rev;
111 u8 is_rtl8187b;
112 enum {
113 RTL8187BvB,
114 RTL8187BvD,
115 RTL8187BvE
116 } hw_rev;
117 struct sk_buff_head rx_queue;
118 u8 signal;
119 u8 quality;
120 u8 noise;
121};
122
123void rtl8187_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data);
124
125static inline u8 rtl818x_ioread8_idx(struct rtl8187_priv *priv,
126 u8 *addr, u8 idx)
127{
128 u8 val;
129
130 usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
131 RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
132 (unsigned long)addr, idx & 0x03, &val,
133 sizeof(val), HZ / 2);
134
135 return val;
136}
137
138static inline u8 rtl818x_ioread8(struct rtl8187_priv *priv, u8 *addr)
139{
140 return rtl818x_ioread8_idx(priv, addr, 0);
141}
142
143static inline u16 rtl818x_ioread16_idx(struct rtl8187_priv *priv,
144 __le16 *addr, u8 idx)
145{
146 __le16 val;
147
148 usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
149 RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
150 (unsigned long)addr, idx & 0x03, &val,
151 sizeof(val), HZ / 2);
152
153 return le16_to_cpu(val);
154}
155
156static inline u16 rtl818x_ioread16(struct rtl8187_priv *priv, __le16 *addr)
157{
158 return rtl818x_ioread16_idx(priv, addr, 0);
159}
160
161static inline u32 rtl818x_ioread32_idx(struct rtl8187_priv *priv,
162 __le32 *addr, u8 idx)
163{
164 __le32 val;
165
166 usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
167 RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
168 (unsigned long)addr, idx & 0x03, &val,
169 sizeof(val), HZ / 2);
170
171 return le32_to_cpu(val);
172}
173
174static inline u32 rtl818x_ioread32(struct rtl8187_priv *priv, __le32 *addr)
175{
176 return rtl818x_ioread32_idx(priv, addr, 0);
177}
178
179static inline void rtl818x_iowrite8_idx(struct rtl8187_priv *priv,
180 u8 *addr, u8 val, u8 idx)
181{
182 usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
183 RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
184 (unsigned long)addr, idx & 0x03, &val,
185 sizeof(val), HZ / 2);
186}
187
188static inline void rtl818x_iowrite8(struct rtl8187_priv *priv, u8 *addr, u8 val)
189{
190 rtl818x_iowrite8_idx(priv, addr, val, 0);
191}
192
193static inline void rtl818x_iowrite16_idx(struct rtl8187_priv *priv,
194 __le16 *addr, u16 val, u8 idx)
195{
196 __le16 buf = cpu_to_le16(val);
197
198 usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
199 RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
200 (unsigned long)addr, idx & 0x03, &buf, sizeof(buf),
201 HZ / 2);
202}
203
204static inline void rtl818x_iowrite16(struct rtl8187_priv *priv, __le16 *addr,
205 u16 val)
206{
207 rtl818x_iowrite16_idx(priv, addr, val, 0);
208}
209
210static inline void rtl818x_iowrite32_idx(struct rtl8187_priv *priv,
211 __le32 *addr, u32 val, u8 idx)
212{
213 __le32 buf = cpu_to_le32(val);
214
215 usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
216 RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
217 (unsigned long)addr, idx & 0x03, &buf, sizeof(buf),
218 HZ / 2);
219}
220
221static inline void rtl818x_iowrite32(struct rtl8187_priv *priv, __le32 *addr,
222 u32 val)
223{
224 rtl818x_iowrite32_idx(priv, addr, val, 0);
225}
226
227#endif /* RTL8187_H */