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/drivers/net/wireless/rtl818x/rtl8187/rtl8187.h

http://github.com/mirrors/linux
C++ Header | 282 lines | 214 code | 48 blank | 20 comment | 0 complexity | 146c3a6d38db0b3adae9a1785705879b MD5 | raw file
  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 "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
 40struct rtl8187_rx_info {
 41	struct urb *urb;
 42	struct ieee80211_hw *dev;
 43};
 44
 45struct 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
 54struct 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
 68struct rtl8187_tx_hdr {
 69	__le32 flags;
 70	__le16 rts_duration;
 71	__le16 len;
 72	__le32 retry;
 73} __packed;
 74
 75struct 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
 87enum {
 88	DEVICE_RTL8187,
 89	DEVICE_RTL8187B
 90};
 91
 92struct rtl8187_vif {
 93	struct ieee80211_hw *dev;
 94
 95	/* beaconing */
 96	struct delayed_work beacon_work;
 97	bool enable_beacon;
 98};
 99
100struct 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
155void rtl8187_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data);
156
157static 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
174static inline u8 rtl818x_ioread8(struct rtl8187_priv *priv, u8 *addr)
175{
176	return rtl818x_ioread8_idx(priv, addr, 0);
177}
178
179static 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
196static inline u16 rtl818x_ioread16(struct rtl8187_priv *priv, __le16 *addr)
197{
198	return rtl818x_ioread16_idx(priv, addr, 0);
199}
200
201static 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
218static inline u32 rtl818x_ioread32(struct rtl8187_priv *priv, __le32 *addr)
219{
220	return rtl818x_ioread32_idx(priv, addr, 0);
221}
222
223static 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
237static inline void rtl818x_iowrite8(struct rtl8187_priv *priv, u8 *addr, u8 val)
238{
239	rtl818x_iowrite8_idx(priv, addr, val, 0);
240}
241
242static 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
256static inline void rtl818x_iowrite16(struct rtl8187_priv *priv, __le16 *addr,
257				     u16 val)
258{
259	rtl818x_iowrite16_idx(priv, addr, val, 0);
260}
261
262static 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
276static 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 */