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 #include "leds.h"
20
21 #define RTL8187_EEPROM_TXPWR_BASE 0x05
22 #define RTL8187_EEPROM_MAC_ADDR 0x07
23 #define RTL8187_EEPROM_TXPWR_CHAN_1 0x16 /* 3 channels */
24 #define RTL8187_EEPROM_TXPWR_CHAN_6 0x1B /* 2 channels */
25 #define RTL8187_EEPROM_TXPWR_CHAN_4 0x3D /* 2 channels */
26 #define RTL8187_EEPROM_SELECT_GPIO 0x3B
27
28 #define RTL8187_REQT_READ 0xC0
29 #define RTL8187_REQT_WRITE 0x40
30 #define RTL8187_REQ_GET_REG 0x05
31 #define RTL8187_REQ_SET_REG 0x05
32
33 #define RTL8187_MAX_RX 0x9C4
34
35 #define RFKILL_MASK_8187_89_97 0x2
36 #define RFKILL_MASK_8198 0x4
37
38 #define RETRY_COUNT 7
39
40 struct rtl8187_rx_info {
41 struct urb *urb;
42 struct ieee80211_hw *dev;
43 };
44
45 struct rtl8187_rx_hdr {
46 __le32 flags;
47 u8 noise;
48 u8 signal;
49 u8 agc;
50 u8 reserved;
51 __le64 mac_time;
52 } __packed;
53
54 struct rtl8187b_rx_hdr {
55 __le32 flags;
56 __le64 mac_time;
57 u8 sq;
58 u8 rssi;
59 u8 agc;
60 u8 flags2;
61 __le16 snr_long2end;
62 s8 pwdb_g12;
63 u8 fot;
64 } __packed;
65
66 /* {rtl8187,rtl8187b}_tx_info is in skb */
67
68 struct rtl8187_tx_hdr {
69 __le32 flags;
70 __le16 rts_duration;
71 __le16 len;
72 __le32 retry;
73 } __packed;
74
75 struct rtl8187b_tx_hdr {
76 __le32 flags;
77 __le16 rts_duration;
78 __le16 len;
79 __le32 unused_1;
80 __le16 unused_2;
81 __le16 tx_duration;
82 __le32 unused_3;
83 __le32 retry;
84 __le32 unused_4[2];
85 } __packed;
86
87 enum {
88 DEVICE_RTL8187,
89 DEVICE_RTL8187B
90 };
91
92 struct rtl8187_vif {
93 struct ieee80211_hw *dev;
94
95 /* beaconing */
96 struct delayed_work beacon_work;
97 bool enable_beacon;
98 };
99
100 struct rtl8187_priv {
101 /* common between rtl818x drivers */
102 struct rtl818x_csr *map;
103 const struct rtl818x_rf_ops *rf;
104 struct ieee80211_vif *vif;
105
106 /* The mutex protects the TX loopback state.
107 * Any attempt to set channels concurrently locks the device.
108 */
109 struct mutex conf_mutex;
110
111 /* rtl8187 specific */
112 struct ieee80211_channel channels[14];
113 struct ieee80211_rate rates[12];
114 struct ieee80211_supported_band band;
115 struct usb_device *udev;
116 u32 rx_conf;
117 struct usb_anchor anchored;
118 struct delayed_work work;
119 struct ieee80211_hw *dev;
120 #ifdef CONFIG_RTL8187_LEDS
121 struct rtl8187_led led_radio;
122 struct rtl8187_led led_tx;
123 struct rtl8187_led led_rx;
124 struct delayed_work led_on;
125 struct delayed_work led_off;
126 #endif
127 u16 txpwr_base;
128 u8 asic_rev;
129 u8 is_rtl8187b;
130 enum {
131 RTL8187BvB,
132 RTL8187BvD,
133 RTL8187BvE
134 } hw_rev;
135 struct sk_buff_head rx_queue;
136 u8 signal;
137 u8 noise;
138 u8 slot_time;
139 u8 aifsn[4];
140 u8 rfkill_mask;
141 struct {
142 __le64 buf;
143 struct sk_buff_head queue;
144 } b_tx_status; /* This queue is used by both -b and non-b devices */
145 struct mutex io_mutex;
146 union {
147 u8 bits8;
148 __le16 bits16;
149 __le32 bits32;
150 } *io_dmabuf;
151 bool rfkill_off;
152 u16 seqno;
153 };
154
155 void rtl8187_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data);
156
rtl818x_ioread8_idx(struct rtl8187_priv * priv,u8 * addr,u8 idx)157 static inline u8 rtl818x_ioread8_idx(struct rtl8187_priv *priv,
158 u8 *addr, u8 idx)
159 {
160 u8 val;
161
162 mutex_lock(&priv->io_mutex);
163 usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
164 RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
165 (unsigned long)addr, idx & 0x03,
166 &priv->io_dmabuf->bits8, sizeof(val), HZ / 2);
167
168 val = priv->io_dmabuf->bits8;
169 mutex_unlock(&priv->io_mutex);
170
171 return val;
172 }
173
rtl818x_ioread8(struct rtl8187_priv * priv,u8 * addr)174 static inline u8 rtl818x_ioread8(struct rtl8187_priv *priv, u8 *addr)
175 {
176 return rtl818x_ioread8_idx(priv, addr, 0);
177 }
178
rtl818x_ioread16_idx(struct rtl8187_priv * priv,__le16 * addr,u8 idx)179 static inline u16 rtl818x_ioread16_idx(struct rtl8187_priv *priv,
180 __le16 *addr, u8 idx)
181 {
182 __le16 val;
183
184 mutex_lock(&priv->io_mutex);
185 usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
186 RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
187 (unsigned long)addr, idx & 0x03,
188 &priv->io_dmabuf->bits16, sizeof(val), HZ / 2);
189
190 val = priv->io_dmabuf->bits16;
191 mutex_unlock(&priv->io_mutex);
192
193 return le16_to_cpu(val);
194 }
195
rtl818x_ioread16(struct rtl8187_priv * priv,__le16 * addr)196 static inline u16 rtl818x_ioread16(struct rtl8187_priv *priv, __le16 *addr)
197 {
198 return rtl818x_ioread16_idx(priv, addr, 0);
199 }
200
rtl818x_ioread32_idx(struct rtl8187_priv * priv,__le32 * addr,u8 idx)201 static inline u32 rtl818x_ioread32_idx(struct rtl8187_priv *priv,
202 __le32 *addr, u8 idx)
203 {
204 __le32 val;
205
206 mutex_lock(&priv->io_mutex);
207 usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
208 RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
209 (unsigned long)addr, idx & 0x03,
210 &priv->io_dmabuf->bits32, sizeof(val), HZ / 2);
211
212 val = priv->io_dmabuf->bits32;
213 mutex_unlock(&priv->io_mutex);
214
215 return le32_to_cpu(val);
216 }
217
rtl818x_ioread32(struct rtl8187_priv * priv,__le32 * addr)218 static inline u32 rtl818x_ioread32(struct rtl8187_priv *priv, __le32 *addr)
219 {
220 return rtl818x_ioread32_idx(priv, addr, 0);
221 }
222
rtl818x_iowrite8_idx(struct rtl8187_priv * priv,u8 * addr,u8 val,u8 idx)223 static inline void rtl818x_iowrite8_idx(struct rtl8187_priv *priv,
224 u8 *addr, u8 val, u8 idx)
225 {
226 mutex_lock(&priv->io_mutex);
227
228 priv->io_dmabuf->bits8 = val;
229 usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
230 RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
231 (unsigned long)addr, idx & 0x03,
232 &priv->io_dmabuf->bits8, sizeof(val), HZ / 2);
233
234 mutex_unlock(&priv->io_mutex);
235 }
236
rtl818x_iowrite8(struct rtl8187_priv * priv,u8 * addr,u8 val)237 static inline void rtl818x_iowrite8(struct rtl8187_priv *priv, u8 *addr, u8 val)
238 {
239 rtl818x_iowrite8_idx(priv, addr, val, 0);
240 }
241
rtl818x_iowrite16_idx(struct rtl8187_priv * priv,__le16 * addr,u16 val,u8 idx)242 static inline void rtl818x_iowrite16_idx(struct rtl8187_priv *priv,
243 __le16 *addr, u16 val, u8 idx)
244 {
245 mutex_lock(&priv->io_mutex);
246
247 priv->io_dmabuf->bits16 = cpu_to_le16(val);
248 usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
249 RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
250 (unsigned long)addr, idx & 0x03,
251 &priv->io_dmabuf->bits16, sizeof(val), HZ / 2);
252
253 mutex_unlock(&priv->io_mutex);
254 }
255
rtl818x_iowrite16(struct rtl8187_priv * priv,__le16 * addr,u16 val)256 static inline void rtl818x_iowrite16(struct rtl8187_priv *priv, __le16 *addr,
257 u16 val)
258 {
259 rtl818x_iowrite16_idx(priv, addr, val, 0);
260 }
261
rtl818x_iowrite32_idx(struct rtl8187_priv * priv,__le32 * addr,u32 val,u8 idx)262 static inline void rtl818x_iowrite32_idx(struct rtl8187_priv *priv,
263 __le32 *addr, u32 val, u8 idx)
264 {
265 mutex_lock(&priv->io_mutex);
266
267 priv->io_dmabuf->bits32 = cpu_to_le32(val);
268 usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
269 RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
270 (unsigned long)addr, idx & 0x03,
271 &priv->io_dmabuf->bits32, sizeof(val), HZ / 2);
272
273 mutex_unlock(&priv->io_mutex);
274 }
275
rtl818x_iowrite32(struct rtl8187_priv * priv,__le32 * addr,u32 val)276 static inline void rtl818x_iowrite32(struct rtl8187_priv *priv, __le32 *addr,
277 u32 val)
278 {
279 rtl818x_iowrite32_idx(priv, addr, val, 0);
280 }
281
282 #endif /* RTL8187_H */
283