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 <linux/cache.h> 19 20#include "rtl818x.h" 21#include "leds.h" 22 23#define RTL8187_EEPROM_TXPWR_BASE 0x05 24#define RTL8187_EEPROM_MAC_ADDR 0x07 25#define RTL8187_EEPROM_TXPWR_CHAN_1 0x16 /* 3 channels */ 26#define RTL8187_EEPROM_TXPWR_CHAN_6 0x1B /* 2 channels */ 27#define RTL8187_EEPROM_TXPWR_CHAN_4 0x3D /* 2 channels */ 28#define RTL8187_EEPROM_SELECT_GPIO 0x3B 29 30#define RTL8187_REQT_READ 0xC0 31#define RTL8187_REQT_WRITE 0x40 32#define RTL8187_REQ_GET_REG 0x05 33#define RTL8187_REQ_SET_REG 0x05 34 35#define RTL8187_MAX_RX 0x9C4 36 37#define RFKILL_MASK_8187_89_97 0x2 38#define RFKILL_MASK_8198 0x4 39 40#define RETRY_COUNT 7 41 42struct rtl8187_rx_info { 43 struct urb *urb; 44 struct ieee80211_hw *dev; 45}; 46 47struct rtl8187_rx_hdr { 48 __le32 flags; 49 u8 noise; 50 u8 signal; 51 u8 agc; 52 u8 reserved; 53 __le64 mac_time; 54} __packed; 55 56struct rtl8187b_rx_hdr { 57 __le32 flags; 58 __le64 mac_time; 59 u8 sq; 60 u8 rssi; 61 u8 agc; 62 u8 flags2; 63 __le16 snr_long2end; 64 s8 pwdb_g12; 65 u8 fot; 66} __packed; 67 68/* {rtl8187,rtl8187b}_tx_info is in skb */ 69 70struct rtl8187_tx_hdr { 71 __le32 flags; 72 __le16 rts_duration; 73 __le16 len; 74 __le32 retry; 75} __packed; 76 77struct rtl8187b_tx_hdr { 78 __le32 flags; 79 __le16 rts_duration; 80 __le16 len; 81 __le32 unused_1; 82 __le16 unused_2; 83 __le16 tx_duration; 84 __le32 unused_3; 85 __le32 retry; 86 __le32 unused_4[2]; 87} __packed; 88 89enum { 90 DEVICE_RTL8187, 91 DEVICE_RTL8187B 92}; 93 94struct rtl8187_vif { 95 struct ieee80211_hw *dev; 96 97 /* beaconing */ 98 struct delayed_work beacon_work; 99 bool enable_beacon; 100}; 101 102struct rtl8187_priv { 103 /* common between rtl818x drivers */ 104 struct rtl818x_csr *map; 105 const struct rtl818x_rf_ops *rf; 106 struct ieee80211_vif *vif; 107 108 /* The mutex protects the TX loopback state. 109 * Any attempt to set channels concurrently locks the device. 110 */ 111 struct mutex conf_mutex; 112 113 /* rtl8187 specific */ 114 struct ieee80211_channel channels[14]; 115 struct ieee80211_rate rates[12]; 116 struct ieee80211_supported_band band; 117 struct usb_device *udev; 118 u32 rx_conf; 119 struct usb_anchor anchored; 120 struct delayed_work work; 121 struct ieee80211_hw *dev; 122#ifdef CONFIG_RTL8187_LEDS 123 struct rtl8187_led led_radio; 124 struct rtl8187_led led_tx; 125 struct rtl8187_led led_rx; 126 struct delayed_work led_on; 127 struct delayed_work led_off; 128#endif 129 u16 txpwr_base; 130 u8 asic_rev; 131 u8 is_rtl8187b; 132 enum { 133 RTL8187BvB, 134 RTL8187BvD, 135 RTL8187BvE 136 } hw_rev; 137 struct sk_buff_head rx_queue; 138 u8 signal; 139 u8 noise; 140 u8 slot_time; 141 u8 aifsn[4]; 142 u8 rfkill_mask; 143 struct { 144 union { 145 __le64 buf; 146 u8 dummy1[L1_CACHE_BYTES]; 147 } ____cacheline_aligned; 148 struct sk_buff_head queue; 149 } b_tx_status; /* This queue is used by both -b and non-b devices */ 150 struct mutex io_mutex; 151 union { 152 u8 bits8; 153 __le16 bits16; 154 __le32 bits32; 155 u8 dummy2[L1_CACHE_BYTES]; 156 } *io_dmabuf ____cacheline_aligned; 157 bool rfkill_off; 158 u16 seqno; 159}; 160 161void rtl8187_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data); 162 163static inline u8 rtl818x_ioread8_idx(struct rtl8187_priv *priv, 164 u8 *addr, u8 idx) 165{ 166 u8 val; 167 168 mutex_lock(&priv->io_mutex); 169 usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0), 170 RTL8187_REQ_GET_REG, RTL8187_REQT_READ, 171 (unsigned long)addr, idx & 0x03, 172 &priv->io_dmabuf->bits8, sizeof(val), HZ / 2); 173 174 val = priv->io_dmabuf->bits8; 175 mutex_unlock(&priv->io_mutex); 176 177 return val; 178} 179 180static inline u8 rtl818x_ioread8(struct rtl8187_priv *priv, u8 *addr) 181{ 182 return rtl818x_ioread8_idx(priv, addr, 0); 183} 184 185static inline u16 rtl818x_ioread16_idx(struct rtl8187_priv *priv, 186 __le16 *addr, u8 idx) 187{ 188 __le16 val; 189 190 mutex_lock(&priv->io_mutex); 191 usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0), 192 RTL8187_REQ_GET_REG, RTL8187_REQT_READ, 193 (unsigned long)addr, idx & 0x03, 194 &priv->io_dmabuf->bits16, sizeof(val), HZ / 2); 195 196 val = priv->io_dmabuf->bits16; 197 mutex_unlock(&priv->io_mutex); 198 199 return le16_to_cpu(val); 200} 201 202static inline u16 rtl818x_ioread16(struct rtl8187_priv *priv, __le16 *addr) 203{ 204 return rtl818x_ioread16_idx(priv, addr, 0); 205} 206 207static inline u32 rtl818x_ioread32_idx(struct rtl8187_priv *priv, 208 __le32 *addr, u8 idx) 209{ 210 __le32 val; 211 212 mutex_lock(&priv->io_mutex); 213 usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0), 214 RTL8187_REQ_GET_REG, RTL8187_REQT_READ, 215 (unsigned long)addr, idx & 0x03, 216 &priv->io_dmabuf->bits32, sizeof(val), HZ / 2); 217 218 val = priv->io_dmabuf->bits32; 219 mutex_unlock(&priv->io_mutex); 220 221 return le32_to_cpu(val); 222} 223 224static inline u32 rtl818x_ioread32(struct rtl8187_priv *priv, __le32 *addr) 225{ 226 return rtl818x_ioread32_idx(priv, addr, 0); 227} 228 229static inline void rtl818x_iowrite8_idx(struct rtl8187_priv *priv, 230 u8 *addr, u8 val, u8 idx) 231{ 232 mutex_lock(&priv->io_mutex); 233 234 priv->io_dmabuf->bits8 = val; 235 usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0), 236 RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE, 237 (unsigned long)addr, idx & 0x03, 238 &priv->io_dmabuf->bits8, sizeof(val), HZ / 2); 239 240 mutex_unlock(&priv->io_mutex); 241} 242 243static inline void rtl818x_iowrite8(struct rtl8187_priv *priv, u8 *addr, u8 val) 244{ 245 rtl818x_iowrite8_idx(priv, addr, val, 0); 246} 247 248static inline void rtl818x_iowrite16_idx(struct rtl8187_priv *priv, 249 __le16 *addr, u16 val, u8 idx) 250{ 251 mutex_lock(&priv->io_mutex); 252 253 priv->io_dmabuf->bits16 = cpu_to_le16(val); 254 usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0), 255 RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE, 256 (unsigned long)addr, idx & 0x03, 257 &priv->io_dmabuf->bits16, sizeof(val), HZ / 2); 258 259 mutex_unlock(&priv->io_mutex); 260} 261 262static inline void rtl818x_iowrite16(struct rtl8187_priv *priv, __le16 *addr, 263 u16 val) 264{ 265 rtl818x_iowrite16_idx(priv, addr, val, 0); 266} 267 268static inline void rtl818x_iowrite32_idx(struct rtl8187_priv *priv, 269 __le32 *addr, u32 val, u8 idx) 270{ 271 mutex_lock(&priv->io_mutex); 272 273 priv->io_dmabuf->bits32 = cpu_to_le32(val); 274 usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0), 275 RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE, 276 (unsigned long)addr, idx & 0x03, 277 &priv->io_dmabuf->bits32, sizeof(val), HZ / 2); 278 279 mutex_unlock(&priv->io_mutex); 280} 281 282static inline void rtl818x_iowrite32(struct rtl8187_priv *priv, __le32 *addr, 283 u32 val) 284{ 285 rtl818x_iowrite32_idx(priv, addr, val, 0); 286} 287 288#endif /* RTL8187_H */ 289