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_priv {
93 /* common between rtl818x drivers */
94 struct rtl818x_csr *map;
95 const struct rtl818x_rf_ops *rf;
96 struct ieee80211_vif *vif;
97
98 /* The mutex protects the TX loopback state.
99 * Any attempt to set channels concurrently locks the device.
100 */
101 struct mutex conf_mutex;
102
103 /* rtl8187 specific */
104 struct ieee80211_channel channels[14];
105 struct ieee80211_rate rates[12];
106 struct ieee80211_supported_band band;
107 struct usb_device *udev;
108 u32 rx_conf;
109 struct usb_anchor anchored;
110 struct delayed_work work;
111 struct ieee80211_hw *dev;
112 #ifdef CONFIG_RTL8187_LEDS
113 struct rtl8187_led led_radio;
114 struct rtl8187_led led_tx;
115 struct rtl8187_led led_rx;
116 struct delayed_work led_on;
117 struct delayed_work led_off;
118 #endif
119 u16 txpwr_base;
120 u8 asic_rev;
121 u8 is_rtl8187b;
122 enum {
123 RTL8187BvB,
124 RTL8187BvD,
125 RTL8187BvE
126 } hw_rev;
127 struct sk_buff_head rx_queue;
128 u8 signal;
129 u8 noise;
130 u8 slot_time;
131 u8 aifsn[4];
132 u8 rfkill_mask;
133 struct {
134 __le64 buf;
135 struct sk_buff_head queue;
136 } b_tx_status; /* This queue is used by both -b and non-b devices */
137 struct mutex io_mutex;
138 union {
139 u8 bits8;
140 __le16 bits16;
141 __le32 bits32;
142 } *io_dmabuf;
143 bool rfkill_off;
144 };
145
146 void rtl8187_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data);
147
rtl818x_ioread8_idx(struct rtl8187_priv * priv,u8 * addr,u8 idx)148 static inline u8 rtl818x_ioread8_idx(struct rtl8187_priv *priv,
149 u8 *addr, u8 idx)
150 {
151 u8 val;
152
153 mutex_lock(&priv->io_mutex);
154 usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
155 RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
156 (unsigned long)addr, idx & 0x03,
157 &priv->io_dmabuf->bits8, sizeof(val), HZ / 2);
158
159 val = priv->io_dmabuf->bits8;
160 mutex_unlock(&priv->io_mutex);
161
162 return val;
163 }
164
rtl818x_ioread8(struct rtl8187_priv * priv,u8 * addr)165 static inline u8 rtl818x_ioread8(struct rtl8187_priv *priv, u8 *addr)
166 {
167 return rtl818x_ioread8_idx(priv, addr, 0);
168 }
169
rtl818x_ioread16_idx(struct rtl8187_priv * priv,__le16 * addr,u8 idx)170 static inline u16 rtl818x_ioread16_idx(struct rtl8187_priv *priv,
171 __le16 *addr, u8 idx)
172 {
173 __le16 val;
174
175 mutex_lock(&priv->io_mutex);
176 usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
177 RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
178 (unsigned long)addr, idx & 0x03,
179 &priv->io_dmabuf->bits16, sizeof(val), HZ / 2);
180
181 val = priv->io_dmabuf->bits16;
182 mutex_unlock(&priv->io_mutex);
183
184 return le16_to_cpu(val);
185 }
186
rtl818x_ioread16(struct rtl8187_priv * priv,__le16 * addr)187 static inline u16 rtl818x_ioread16(struct rtl8187_priv *priv, __le16 *addr)
188 {
189 return rtl818x_ioread16_idx(priv, addr, 0);
190 }
191
rtl818x_ioread32_idx(struct rtl8187_priv * priv,__le32 * addr,u8 idx)192 static inline u32 rtl818x_ioread32_idx(struct rtl8187_priv *priv,
193 __le32 *addr, u8 idx)
194 {
195 __le32 val;
196
197 mutex_lock(&priv->io_mutex);
198 usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
199 RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
200 (unsigned long)addr, idx & 0x03,
201 &priv->io_dmabuf->bits32, sizeof(val), HZ / 2);
202
203 val = priv->io_dmabuf->bits32;
204 mutex_unlock(&priv->io_mutex);
205
206 return le32_to_cpu(val);
207 }
208
rtl818x_ioread32(struct rtl8187_priv * priv,__le32 * addr)209 static inline u32 rtl818x_ioread32(struct rtl8187_priv *priv, __le32 *addr)
210 {
211 return rtl818x_ioread32_idx(priv, addr, 0);
212 }
213
rtl818x_iowrite8_idx(struct rtl8187_priv * priv,u8 * addr,u8 val,u8 idx)214 static inline void rtl818x_iowrite8_idx(struct rtl8187_priv *priv,
215 u8 *addr, u8 val, u8 idx)
216 {
217 mutex_lock(&priv->io_mutex);
218
219 priv->io_dmabuf->bits8 = val;
220 usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
221 RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
222 (unsigned long)addr, idx & 0x03,
223 &priv->io_dmabuf->bits8, sizeof(val), HZ / 2);
224
225 mutex_unlock(&priv->io_mutex);
226 }
227
rtl818x_iowrite8(struct rtl8187_priv * priv,u8 * addr,u8 val)228 static inline void rtl818x_iowrite8(struct rtl8187_priv *priv, u8 *addr, u8 val)
229 {
230 rtl818x_iowrite8_idx(priv, addr, val, 0);
231 }
232
rtl818x_iowrite16_idx(struct rtl8187_priv * priv,__le16 * addr,u16 val,u8 idx)233 static inline void rtl818x_iowrite16_idx(struct rtl8187_priv *priv,
234 __le16 *addr, u16 val, u8 idx)
235 {
236 mutex_lock(&priv->io_mutex);
237
238 priv->io_dmabuf->bits16 = cpu_to_le16(val);
239 usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
240 RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
241 (unsigned long)addr, idx & 0x03,
242 &priv->io_dmabuf->bits16, sizeof(val), HZ / 2);
243
244 mutex_unlock(&priv->io_mutex);
245 }
246
rtl818x_iowrite16(struct rtl8187_priv * priv,__le16 * addr,u16 val)247 static inline void rtl818x_iowrite16(struct rtl8187_priv *priv, __le16 *addr,
248 u16 val)
249 {
250 rtl818x_iowrite16_idx(priv, addr, val, 0);
251 }
252
rtl818x_iowrite32_idx(struct rtl8187_priv * priv,__le32 * addr,u32 val,u8 idx)253 static inline void rtl818x_iowrite32_idx(struct rtl8187_priv *priv,
254 __le32 *addr, u32 val, u8 idx)
255 {
256 mutex_lock(&priv->io_mutex);
257
258 priv->io_dmabuf->bits32 = cpu_to_le32(val);
259 usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
260 RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
261 (unsigned long)addr, idx & 0x03,
262 &priv->io_dmabuf->bits32, sizeof(val), HZ / 2);
263
264 mutex_unlock(&priv->io_mutex);
265 }
266
rtl818x_iowrite32(struct rtl8187_priv * priv,__le32 * addr,u32 val)267 static inline void rtl818x_iowrite32(struct rtl8187_priv *priv, __le32 *addr,
268 u32 val)
269 {
270 rtl818x_iowrite32_idx(priv, addr, val, 0);
271 }
272
273 #endif /* RTL8187_H */
274