Commit | Line | Data |
---|---|---|
d2912cb1 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
605bebe2 MW |
2 | /* |
3 | * Linux device driver for RTL8187 | |
4 | * | |
5 | * Copyright 2007 Michael Wu <flamingice@sourmilk.net> | |
93ba2a85 | 6 | * Copyright 2007 Andrea Merello <andrea.merello@gmail.com> |
605bebe2 MW |
7 | * |
8 | * Based on the r8187 driver, which is: | |
93ba2a85 | 9 | * Copyright 2005 Andrea Merello <andrea.merello@gmail.com>, et al. |
605bebe2 | 10 | * |
3461fc12 | 11 | * The driver was extended to the RTL8187B in 2008 by: |
41b58f18 | 12 | * Herton Ronaldo Krzesinski <herton@mandriva.com.br> |
3461fc12 LF |
13 | * Hin-Tak Leung <htl10@users.sourceforge.net> |
14 | * Larry Finger <Larry.Finger@lwfinger.net> | |
15 | * | |
0aec00ae JL |
16 | * Magic delays and register offsets below are taken from the original |
17 | * r8187 driver sources. Thanks to Realtek for their support! | |
605bebe2 MW |
18 | */ |
19 | ||
605bebe2 | 20 | #include <linux/usb.h> |
5a0e3ad6 | 21 | #include <linux/slab.h> |
605bebe2 MW |
22 | #include <linux/delay.h> |
23 | #include <linux/etherdevice.h> | |
24 | #include <linux/eeprom_93cx6.h> | |
9d9779e7 | 25 | #include <linux/module.h> |
605bebe2 MW |
26 | #include <net/mac80211.h> |
27 | ||
28 | #include "rtl8187.h" | |
3cfeb0c3 | 29 | #include "rtl8225.h" |
a027087a | 30 | #ifdef CONFIG_RTL8187_LEDS |
3cfeb0c3 | 31 | #include "leds.h" |
a027087a | 32 | #endif |
3cfeb0c3 | 33 | #include "rfkill.h" |
605bebe2 MW |
34 | |
35 | MODULE_AUTHOR("Michael Wu <flamingice@sourmilk.net>"); | |
93ba2a85 | 36 | MODULE_AUTHOR("Andrea Merello <andrea.merello@gmail.com>"); |
3461fc12 LF |
37 | MODULE_AUTHOR("Herton Ronaldo Krzesinski <herton@mandriva.com.br>"); |
38 | MODULE_AUTHOR("Hin-Tak Leung <htl10@users.sourceforge.net>"); | |
39 | MODULE_AUTHOR("Larry Finger <Larry.Finger@lwfinger.net>"); | |
f8a08c34 | 40 | MODULE_DESCRIPTION("RTL8187/RTL8187B USB wireless driver"); |
605bebe2 MW |
41 | MODULE_LICENSE("GPL"); |
42 | ||
e0b081b2 | 43 | static const struct usb_device_id rtl8187_table[] = { |
7c7e6af3 AM |
44 | /* Asus */ |
45 | {USB_DEVICE(0x0b05, 0x171d), .driver_info = DEVICE_RTL8187}, | |
eaca90da FF |
46 | /* Belkin */ |
47 | {USB_DEVICE(0x050d, 0x705e), .driver_info = DEVICE_RTL8187B}, | |
605bebe2 | 48 | /* Realtek */ |
f8a08c34 HTL |
49 | {USB_DEVICE(0x0bda, 0x8187), .driver_info = DEVICE_RTL8187}, |
50 | {USB_DEVICE(0x0bda, 0x8189), .driver_info = DEVICE_RTL8187B}, | |
51 | {USB_DEVICE(0x0bda, 0x8197), .driver_info = DEVICE_RTL8187B}, | |
746db510 | 52 | {USB_DEVICE(0x0bda, 0x8198), .driver_info = DEVICE_RTL8187B}, |
046ee5d2 LF |
53 | /* Surecom */ |
54 | {USB_DEVICE(0x0769, 0x11F2), .driver_info = DEVICE_RTL8187}, | |
55 | /* Logitech */ | |
56 | {USB_DEVICE(0x0789, 0x010C), .driver_info = DEVICE_RTL8187}, | |
605bebe2 | 57 | /* Netgear */ |
f8a08c34 HTL |
58 | {USB_DEVICE(0x0846, 0x6100), .driver_info = DEVICE_RTL8187}, |
59 | {USB_DEVICE(0x0846, 0x6a00), .driver_info = DEVICE_RTL8187}, | |
fcd7cc14 | 60 | {USB_DEVICE(0x0846, 0x4260), .driver_info = DEVICE_RTL8187B}, |
c3cf60a9 | 61 | /* HP */ |
f8a08c34 | 62 | {USB_DEVICE(0x03f0, 0xca02), .driver_info = DEVICE_RTL8187}, |
9934550d | 63 | /* Sitecom */ |
f8a08c34 | 64 | {USB_DEVICE(0x0df6, 0x000d), .driver_info = DEVICE_RTL8187}, |
f3c76918 | 65 | {USB_DEVICE(0x0df6, 0x0028), .driver_info = DEVICE_RTL8187B}, |
174b2496 | 66 | {USB_DEVICE(0x0df6, 0x0029), .driver_info = DEVICE_RTL8187B}, |
046ee5d2 LF |
67 | /* Sphairon Access Systems GmbH */ |
68 | {USB_DEVICE(0x114B, 0x0150), .driver_info = DEVICE_RTL8187}, | |
69 | /* Dick Smith Electronics */ | |
70 | {USB_DEVICE(0x1371, 0x9401), .driver_info = DEVICE_RTL8187}, | |
8f7c41d4 IK |
71 | /* Abocom */ |
72 | {USB_DEVICE(0x13d1, 0xabe6), .driver_info = DEVICE_RTL8187}, | |
046ee5d2 LF |
73 | /* Qcom */ |
74 | {USB_DEVICE(0x18E8, 0x6232), .driver_info = DEVICE_RTL8187}, | |
75 | /* AirLive */ | |
76 | {USB_DEVICE(0x1b75, 0x8187), .driver_info = DEVICE_RTL8187}, | |
aeeab4ff JL |
77 | /* Linksys */ |
78 | {USB_DEVICE(0x1737, 0x0073), .driver_info = DEVICE_RTL8187B}, | |
605bebe2 MW |
79 | {} |
80 | }; | |
81 | ||
82 | MODULE_DEVICE_TABLE(usb, rtl8187_table); | |
83 | ||
8318d78a JB |
84 | static const struct ieee80211_rate rtl818x_rates[] = { |
85 | { .bitrate = 10, .hw_value = 0, }, | |
86 | { .bitrate = 20, .hw_value = 1, }, | |
87 | { .bitrate = 55, .hw_value = 2, }, | |
88 | { .bitrate = 110, .hw_value = 3, }, | |
89 | { .bitrate = 60, .hw_value = 4, }, | |
90 | { .bitrate = 90, .hw_value = 5, }, | |
91 | { .bitrate = 120, .hw_value = 6, }, | |
92 | { .bitrate = 180, .hw_value = 7, }, | |
93 | { .bitrate = 240, .hw_value = 8, }, | |
94 | { .bitrate = 360, .hw_value = 9, }, | |
95 | { .bitrate = 480, .hw_value = 10, }, | |
96 | { .bitrate = 540, .hw_value = 11, }, | |
97 | }; | |
98 | ||
99 | static const struct ieee80211_channel rtl818x_channels[] = { | |
100 | { .center_freq = 2412 }, | |
101 | { .center_freq = 2417 }, | |
102 | { .center_freq = 2422 }, | |
103 | { .center_freq = 2427 }, | |
104 | { .center_freq = 2432 }, | |
105 | { .center_freq = 2437 }, | |
106 | { .center_freq = 2442 }, | |
107 | { .center_freq = 2447 }, | |
108 | { .center_freq = 2452 }, | |
109 | { .center_freq = 2457 }, | |
110 | { .center_freq = 2462 }, | |
111 | { .center_freq = 2467 }, | |
112 | { .center_freq = 2472 }, | |
113 | { .center_freq = 2484 }, | |
114 | }; | |
115 | ||
4150c572 JB |
116 | static void rtl8187_iowrite_async_cb(struct urb *urb) |
117 | { | |
118 | kfree(urb->context); | |
4150c572 JB |
119 | } |
120 | ||
121 | static void rtl8187_iowrite_async(struct rtl8187_priv *priv, __le16 addr, | |
122 | void *data, u16 len) | |
123 | { | |
124 | struct usb_ctrlrequest *dr; | |
125 | struct urb *urb; | |
126 | struct rtl8187_async_write_data { | |
127 | u8 data[4]; | |
128 | struct usb_ctrlrequest dr; | |
129 | } *buf; | |
ea8ee240 | 130 | int rc; |
4150c572 JB |
131 | |
132 | buf = kmalloc(sizeof(*buf), GFP_ATOMIC); | |
133 | if (!buf) | |
134 | return; | |
135 | ||
136 | urb = usb_alloc_urb(0, GFP_ATOMIC); | |
137 | if (!urb) { | |
138 | kfree(buf); | |
139 | return; | |
140 | } | |
141 | ||
142 | dr = &buf->dr; | |
143 | ||
144 | dr->bRequestType = RTL8187_REQT_WRITE; | |
145 | dr->bRequest = RTL8187_REQ_SET_REG; | |
146 | dr->wValue = addr; | |
147 | dr->wIndex = 0; | |
148 | dr->wLength = cpu_to_le16(len); | |
149 | ||
150 | memcpy(buf, data, len); | |
151 | ||
152 | usb_fill_control_urb(urb, priv->udev, usb_sndctrlpipe(priv->udev, 0), | |
153 | (unsigned char *)dr, buf, len, | |
154 | rtl8187_iowrite_async_cb, buf); | |
c1db52b9 | 155 | usb_anchor_urb(urb, &priv->anchored); |
ea8ee240 ON |
156 | rc = usb_submit_urb(urb, GFP_ATOMIC); |
157 | if (rc < 0) { | |
158 | kfree(buf); | |
c1db52b9 | 159 | usb_unanchor_urb(urb); |
ea8ee240 | 160 | } |
c1db52b9 | 161 | usb_free_urb(urb); |
4150c572 JB |
162 | } |
163 | ||
164 | static inline void rtl818x_iowrite32_async(struct rtl8187_priv *priv, | |
165 | __le32 *addr, u32 val) | |
166 | { | |
167 | __le32 buf = cpu_to_le32(val); | |
168 | ||
169 | rtl8187_iowrite_async(priv, cpu_to_le16((unsigned long)addr), | |
170 | &buf, sizeof(buf)); | |
171 | } | |
172 | ||
605bebe2 MW |
173 | void rtl8187_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data) |
174 | { | |
175 | struct rtl8187_priv *priv = dev->priv; | |
176 | ||
177 | data <<= 8; | |
178 | data |= addr | 0x80; | |
179 | ||
180 | rtl818x_iowrite8(priv, &priv->map->PHY[3], (data >> 24) & 0xFF); | |
181 | rtl818x_iowrite8(priv, &priv->map->PHY[2], (data >> 16) & 0xFF); | |
182 | rtl818x_iowrite8(priv, &priv->map->PHY[1], (data >> 8) & 0xFF); | |
183 | rtl818x_iowrite8(priv, &priv->map->PHY[0], data & 0xFF); | |
605bebe2 MW |
184 | } |
185 | ||
186 | static void rtl8187_tx_cb(struct urb *urb) | |
187 | { | |
605bebe2 | 188 | struct sk_buff *skb = (struct sk_buff *)urb->context; |
e039fa4a | 189 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); |
e6a9854b | 190 | struct ieee80211_hw *hw = info->rate_driver_data[0]; |
6f7853f3 | 191 | struct rtl8187_priv *priv = hw->priv; |
605bebe2 | 192 | |
6f7853f3 HTL |
193 | skb_pull(skb, priv->is_rtl8187b ? sizeof(struct rtl8187b_tx_hdr) : |
194 | sizeof(struct rtl8187_tx_hdr)); | |
e6a9854b | 195 | ieee80211_tx_info_clear_status(info); |
3517afde | 196 | |
2f47690e LF |
197 | if (!(urb->status) && !(info->flags & IEEE80211_TX_CTL_NO_ACK)) { |
198 | if (priv->is_rtl8187b) { | |
199 | skb_queue_tail(&priv->b_tx_status.queue, skb); | |
200 | ||
201 | /* queue is "full", discard last items */ | |
202 | while (skb_queue_len(&priv->b_tx_status.queue) > 5) { | |
203 | struct sk_buff *old_skb; | |
204 | ||
205 | dev_dbg(&priv->udev->dev, | |
206 | "transmit status queue full\n"); | |
207 | ||
208 | old_skb = skb_dequeue(&priv->b_tx_status.queue); | |
209 | ieee80211_tx_status_irqsafe(hw, old_skb); | |
210 | } | |
211 | return; | |
212 | } else { | |
3517afde | 213 | info->flags |= IEEE80211_TX_STAT_ACK; |
2f47690e LF |
214 | } |
215 | } | |
216 | if (priv->is_rtl8187b) | |
3517afde | 217 | ieee80211_tx_status_irqsafe(hw, skb); |
2f47690e LF |
218 | else { |
219 | /* Retry information for the RTI8187 is only available by | |
220 | * reading a register in the device. We are in interrupt mode | |
221 | * here, thus queue the skb and finish on a work queue. */ | |
222 | skb_queue_tail(&priv->b_tx_status.queue, skb); | |
42935eca | 223 | ieee80211_queue_delayed_work(hw, &priv->work, 0); |
3517afde | 224 | } |
605bebe2 MW |
225 | } |
226 | ||
36323f81 TH |
227 | static void rtl8187_tx(struct ieee80211_hw *dev, |
228 | struct ieee80211_tx_control *control, | |
229 | struct sk_buff *skb) | |
605bebe2 MW |
230 | { |
231 | struct rtl8187_priv *priv = dev->priv; | |
e039fa4a | 232 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); |
41b58f18 | 233 | struct ieee80211_hdr *tx_hdr = (struct ieee80211_hdr *)(skb->data); |
6f7853f3 HTL |
234 | unsigned int ep; |
235 | void *buf; | |
605bebe2 | 236 | struct urb *urb; |
98798f48 MW |
237 | __le16 rts_dur = 0; |
238 | u32 flags; | |
ea8ee240 | 239 | int rc; |
605bebe2 MW |
240 | |
241 | urb = usb_alloc_urb(0, GFP_ATOMIC); | |
242 | if (!urb) { | |
243 | kfree_skb(skb); | |
7bb45683 | 244 | return; |
605bebe2 MW |
245 | } |
246 | ||
98798f48 | 247 | flags = skb->len; |
38e3b0d8 | 248 | flags |= RTL818X_TX_DESC_FLAG_NO_ENC; |
aa68cbfb | 249 | |
e039fa4a | 250 | flags |= ieee80211_get_tx_rate(dev, info)->hw_value << 24; |
41b58f18 | 251 | if (ieee80211_has_morefrags(tx_hdr->frame_control)) |
38e3b0d8 | 252 | flags |= RTL818X_TX_DESC_FLAG_MOREFRAG; |
d294d028 AM |
253 | |
254 | /* HW will perform RTS-CTS when only RTS flags is set. | |
255 | * HW will perform CTS-to-self when both RTS and CTS flags are set. | |
256 | * RTS rate and RTS duration will be used also for CTS-to-self. | |
257 | */ | |
e6a9854b | 258 | if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) { |
38e3b0d8 | 259 | flags |= RTL818X_TX_DESC_FLAG_RTS; |
e039fa4a | 260 | flags |= ieee80211_get_rts_cts_rate(dev, info)->hw_value << 19; |
32bfd35d | 261 | rts_dur = ieee80211_rts_duration(dev, priv->vif, |
e039fa4a | 262 | skb->len, info); |
e6a9854b | 263 | } else if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT) { |
d294d028 | 264 | flags |= RTL818X_TX_DESC_FLAG_RTS | RTL818X_TX_DESC_FLAG_CTS; |
e039fa4a | 265 | flags |= ieee80211_get_rts_cts_rate(dev, info)->hw_value << 19; |
d294d028 AM |
266 | rts_dur = ieee80211_ctstoself_duration(dev, priv->vif, |
267 | skb->len, info); | |
aa68cbfb | 268 | } |
98798f48 | 269 | |
41b58f18 AF |
270 | if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) { |
271 | if (info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT) | |
272 | priv->seqno += 0x10; | |
273 | tx_hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG); | |
274 | tx_hdr->seq_ctrl |= cpu_to_le16(priv->seqno); | |
275 | } | |
276 | ||
6f7853f3 | 277 | if (!priv->is_rtl8187b) { |
d58ff351 | 278 | struct rtl8187_tx_hdr *hdr = skb_push(skb, sizeof(*hdr)); |
6f7853f3 HTL |
279 | hdr->flags = cpu_to_le32(flags); |
280 | hdr->len = 0; | |
281 | hdr->rts_duration = rts_dur; | |
d9a1f486 | 282 | hdr->retry = cpu_to_le32((info->control.rates[0].count - 1) << 8); |
6f7853f3 HTL |
283 | buf = hdr; |
284 | ||
285 | ep = 2; | |
286 | } else { | |
287 | /* fc needs to be calculated before skb_push() */ | |
288 | unsigned int epmap[4] = { 6, 7, 5, 4 }; | |
6f7853f3 HTL |
289 | u16 fc = le16_to_cpu(tx_hdr->frame_control); |
290 | ||
d58ff351 | 291 | struct rtl8187b_tx_hdr *hdr = skb_push(skb, sizeof(*hdr)); |
6f7853f3 HTL |
292 | struct ieee80211_rate *txrate = |
293 | ieee80211_get_tx_rate(dev, info); | |
294 | memset(hdr, 0, sizeof(*hdr)); | |
295 | hdr->flags = cpu_to_le32(flags); | |
296 | hdr->rts_duration = rts_dur; | |
d9a1f486 | 297 | hdr->retry = cpu_to_le32((info->control.rates[0].count - 1) << 8); |
6f7853f3 HTL |
298 | hdr->tx_duration = |
299 | ieee80211_generic_frame_duration(dev, priv->vif, | |
4ee73f33 | 300 | info->band, |
6f7853f3 HTL |
301 | skb->len, txrate); |
302 | buf = hdr; | |
303 | ||
304 | if ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT) | |
305 | ep = 12; | |
306 | else | |
307 | ep = epmap[skb_get_queue_mapping(skb)]; | |
308 | } | |
605bebe2 | 309 | |
e6a9854b JB |
310 | info->rate_driver_data[0] = dev; |
311 | info->rate_driver_data[1] = urb; | |
6f7853f3 HTL |
312 | |
313 | usb_fill_bulk_urb(urb, priv->udev, usb_sndbulkpipe(priv->udev, ep), | |
314 | buf, skb->len, rtl8187_tx_cb, skb); | |
2fcbab04 | 315 | urb->transfer_flags |= URB_ZERO_PACKET; |
c1db52b9 | 316 | usb_anchor_urb(urb, &priv->anchored); |
ea8ee240 ON |
317 | rc = usb_submit_urb(urb, GFP_ATOMIC); |
318 | if (rc < 0) { | |
c1db52b9 | 319 | usb_unanchor_urb(urb); |
ea8ee240 ON |
320 | kfree_skb(skb); |
321 | } | |
c1db52b9 | 322 | usb_free_urb(urb); |
605bebe2 MW |
323 | } |
324 | ||
325 | static void rtl8187_rx_cb(struct urb *urb) | |
326 | { | |
327 | struct sk_buff *skb = (struct sk_buff *)urb->context; | |
328 | struct rtl8187_rx_info *info = (struct rtl8187_rx_info *)skb->cb; | |
329 | struct ieee80211_hw *dev = info->dev; | |
330 | struct rtl8187_priv *priv = dev->priv; | |
605bebe2 MW |
331 | struct ieee80211_rx_status rx_status = { 0 }; |
332 | int rate, signal; | |
4150c572 | 333 | u32 flags; |
d8588227 | 334 | unsigned long f; |
605bebe2 | 335 | |
d8588227 | 336 | spin_lock_irqsave(&priv->rx_queue.lock, f); |
46c37672 | 337 | __skb_unlink(skb, &priv->rx_queue); |
d8588227 | 338 | spin_unlock_irqrestore(&priv->rx_queue.lock, f); |
c1db52b9 | 339 | skb_put(skb, urb->actual_length); |
605bebe2 MW |
340 | |
341 | if (unlikely(urb->status)) { | |
605bebe2 MW |
342 | dev_kfree_skb_irq(skb); |
343 | return; | |
344 | } | |
345 | ||
6f7853f3 HTL |
346 | if (!priv->is_rtl8187b) { |
347 | struct rtl8187_rx_hdr *hdr = | |
348 | (typeof(hdr))(skb_tail_pointer(skb) - sizeof(*hdr)); | |
349 | flags = le32_to_cpu(hdr->flags); | |
a7db74f4 | 350 | /* As with the RTL8187B below, the AGC is used to calculate |
70d9f405 | 351 | * signal strength. In this case, the scaling |
a7db74f4 LF |
352 | * constants are derived from the output of p54usb. |
353 | */ | |
a7db74f4 | 354 | signal = -4 - ((27 * hdr->agc) >> 6); |
6f7853f3 | 355 | rx_status.antenna = (hdr->signal >> 7) & 1; |
6f7853f3 | 356 | rx_status.mactime = le64_to_cpu(hdr->mac_time); |
6f7853f3 HTL |
357 | } else { |
358 | struct rtl8187b_rx_hdr *hdr = | |
359 | (typeof(hdr))(skb_tail_pointer(skb) - sizeof(*hdr)); | |
0ccd58fc LF |
360 | /* The Realtek datasheet for the RTL8187B shows that the RX |
361 | * header contains the following quantities: signal quality, | |
362 | * RSSI, AGC, the received power in dB, and the measured SNR. | |
363 | * In testing, none of these quantities show qualitative | |
364 | * agreement with AP signal strength, except for the AGC, | |
365 | * which is inversely proportional to the strength of the | |
70d9f405 LF |
366 | * signal. In the following, the signal strength |
367 | * is derived from the AGC. The arbitrary scaling constants | |
0ccd58fc LF |
368 | * are chosen to make the results close to the values obtained |
369 | * for a BCM4312 using b43 as the driver. The noise is ignored | |
370 | * for now. | |
371 | */ | |
6f7853f3 | 372 | flags = le32_to_cpu(hdr->flags); |
0ccd58fc | 373 | signal = 14 - hdr->agc / 2; |
0ccd58fc | 374 | rx_status.antenna = (hdr->rssi >> 7) & 1; |
6f7853f3 | 375 | rx_status.mactime = le64_to_cpu(hdr->mac_time); |
6f7853f3 | 376 | } |
605bebe2 | 377 | |
a7db74f4 LF |
378 | rx_status.signal = signal; |
379 | priv->signal = signal; | |
380 | rate = (flags >> 20) & 0xF; | |
6f7853f3 | 381 | skb_trim(skb, flags & 0x0FFF); |
8318d78a | 382 | rx_status.rate_idx = rate; |
675a0b04 KB |
383 | rx_status.freq = dev->conf.chandef.chan->center_freq; |
384 | rx_status.band = dev->conf.chandef.chan->band; | |
f4bda337 | 385 | rx_status.flag |= RX_FLAG_MACTIME_START; |
97bd8c79 | 386 | if (flags & RTL818X_RX_DESC_FLAG_SPLCP) |
7fdd69c5 | 387 | rx_status.enc_flags |= RX_ENC_FLAG_SHORTPRE; |
38e3b0d8 | 388 | if (flags & RTL818X_RX_DESC_FLAG_CRC32_ERR) |
4150c572 | 389 | rx_status.flag |= RX_FLAG_FAILED_FCS_CRC; |
f1d58c25 JB |
390 | memcpy(IEEE80211_SKB_RXCB(skb), &rx_status, sizeof(rx_status)); |
391 | ieee80211_rx_irqsafe(dev, skb); | |
605bebe2 MW |
392 | |
393 | skb = dev_alloc_skb(RTL8187_MAX_RX); | |
394 | if (unlikely(!skb)) { | |
605bebe2 MW |
395 | /* TODO check rx queue length and refill *somewhere* */ |
396 | return; | |
397 | } | |
398 | ||
399 | info = (struct rtl8187_rx_info *)skb->cb; | |
400 | info->urb = urb; | |
401 | info->dev = dev; | |
402 | urb->transfer_buffer = skb_tail_pointer(skb); | |
403 | urb->context = skb; | |
404 | skb_queue_tail(&priv->rx_queue, skb); | |
405 | ||
c1db52b9 LF |
406 | usb_anchor_urb(urb, &priv->anchored); |
407 | if (usb_submit_urb(urb, GFP_ATOMIC)) { | |
408 | usb_unanchor_urb(urb); | |
409 | skb_unlink(skb, &priv->rx_queue); | |
410 | dev_kfree_skb_irq(skb); | |
411 | } | |
605bebe2 MW |
412 | } |
413 | ||
414 | static int rtl8187_init_urbs(struct ieee80211_hw *dev) | |
415 | { | |
416 | struct rtl8187_priv *priv = dev->priv; | |
c1db52b9 | 417 | struct urb *entry = NULL; |
605bebe2 MW |
418 | struct sk_buff *skb; |
419 | struct rtl8187_rx_info *info; | |
c1db52b9 | 420 | int ret = 0; |
605bebe2 | 421 | |
9b0fa73d | 422 | while (skb_queue_len(&priv->rx_queue) < 32) { |
605bebe2 | 423 | skb = __dev_alloc_skb(RTL8187_MAX_RX, GFP_KERNEL); |
c1db52b9 LF |
424 | if (!skb) { |
425 | ret = -ENOMEM; | |
426 | goto err; | |
427 | } | |
605bebe2 MW |
428 | entry = usb_alloc_urb(0, GFP_KERNEL); |
429 | if (!entry) { | |
c1db52b9 LF |
430 | ret = -ENOMEM; |
431 | goto err; | |
605bebe2 MW |
432 | } |
433 | usb_fill_bulk_urb(entry, priv->udev, | |
6f7853f3 HTL |
434 | usb_rcvbulkpipe(priv->udev, |
435 | priv->is_rtl8187b ? 3 : 1), | |
605bebe2 MW |
436 | skb_tail_pointer(skb), |
437 | RTL8187_MAX_RX, rtl8187_rx_cb, skb); | |
438 | info = (struct rtl8187_rx_info *)skb->cb; | |
439 | info->urb = entry; | |
440 | info->dev = dev; | |
441 | skb_queue_tail(&priv->rx_queue, skb); | |
c1db52b9 LF |
442 | usb_anchor_urb(entry, &priv->anchored); |
443 | ret = usb_submit_urb(entry, GFP_KERNEL); | |
444 | if (ret) { | |
445 | skb_unlink(skb, &priv->rx_queue); | |
446 | usb_unanchor_urb(entry); | |
afbb1947 | 447 | usb_put_urb(entry); |
c1db52b9 LF |
448 | goto err; |
449 | } | |
afbb1947 | 450 | usb_put_urb(entry); |
605bebe2 | 451 | } |
c1db52b9 | 452 | return ret; |
605bebe2 | 453 | |
c1db52b9 | 454 | err: |
c1db52b9 LF |
455 | kfree_skb(skb); |
456 | usb_kill_anchored_urbs(&priv->anchored); | |
457 | return ret; | |
605bebe2 MW |
458 | } |
459 | ||
3517afde HRK |
460 | static void rtl8187b_status_cb(struct urb *urb) |
461 | { | |
462 | struct ieee80211_hw *hw = (struct ieee80211_hw *)urb->context; | |
463 | struct rtl8187_priv *priv = hw->priv; | |
464 | u64 val; | |
465 | unsigned int cmd_type; | |
466 | ||
c1db52b9 | 467 | if (unlikely(urb->status)) |
3517afde | 468 | return; |
3517afde HRK |
469 | |
470 | /* | |
471 | * Read from status buffer: | |
472 | * | |
473 | * bits [30:31] = cmd type: | |
474 | * - 0 indicates tx beacon interrupt | |
475 | * - 1 indicates tx close descriptor | |
476 | * | |
477 | * In the case of tx beacon interrupt: | |
478 | * [0:9] = Last Beacon CW | |
479 | * [10:29] = reserved | |
480 | * [30:31] = 00b | |
481 | * [32:63] = Last Beacon TSF | |
482 | * | |
483 | * If it's tx close descriptor: | |
484 | * [0:7] = Packet Retry Count | |
485 | * [8:14] = RTS Retry Count | |
486 | * [15] = TOK | |
487 | * [16:27] = Sequence No | |
488 | * [28] = LS | |
489 | * [29] = FS | |
490 | * [30:31] = 01b | |
491 | * [32:47] = unused (reserved?) | |
492 | * [48:63] = MAC Used Time | |
493 | */ | |
494 | val = le64_to_cpu(priv->b_tx_status.buf); | |
495 | ||
496 | cmd_type = (val >> 30) & 0x3; | |
497 | if (cmd_type == 1) { | |
498 | unsigned int pkt_rc, seq_no; | |
499 | bool tok; | |
8b9db0d0 | 500 | struct sk_buff *skb, *iter; |
3517afde HRK |
501 | struct ieee80211_hdr *ieee80211hdr; |
502 | unsigned long flags; | |
503 | ||
504 | pkt_rc = val & 0xFF; | |
505 | tok = val & (1 << 15); | |
506 | seq_no = (val >> 16) & 0xFFF; | |
507 | ||
508 | spin_lock_irqsave(&priv->b_tx_status.queue.lock, flags); | |
8b9db0d0 DM |
509 | skb = NULL; |
510 | skb_queue_reverse_walk(&priv->b_tx_status.queue, iter) { | |
511 | ieee80211hdr = (struct ieee80211_hdr *)iter->data; | |
3517afde HRK |
512 | |
513 | /* | |
514 | * While testing, it was discovered that the seq_no | |
515 | * doesn't actually contains the sequence number. | |
516 | * Instead of returning just the 12 bits of sequence | |
517 | * number, hardware is returning entire sequence control | |
518 | * (fragment number plus sequence number) in a 12 bit | |
519 | * only field overflowing after some time. As a | |
520 | * workaround, just consider the lower bits, and expect | |
521 | * it's unlikely we wrongly ack some sent data | |
522 | */ | |
523 | if ((le16_to_cpu(ieee80211hdr->seq_ctrl) | |
8b9db0d0 DM |
524 | & 0xFFF) == seq_no) { |
525 | skb = iter; | |
3517afde | 526 | break; |
8b9db0d0 | 527 | } |
3517afde | 528 | } |
8b9db0d0 | 529 | if (skb) { |
3517afde HRK |
530 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); |
531 | ||
532 | __skb_unlink(skb, &priv->b_tx_status.queue); | |
533 | if (tok) | |
534 | info->flags |= IEEE80211_TX_STAT_ACK; | |
1548c86a | 535 | info->status.rates[0].count = pkt_rc + 1; |
3517afde HRK |
536 | |
537 | ieee80211_tx_status_irqsafe(hw, skb); | |
538 | } | |
539 | spin_unlock_irqrestore(&priv->b_tx_status.queue.lock, flags); | |
540 | } | |
541 | ||
c1db52b9 LF |
542 | usb_anchor_urb(urb, &priv->anchored); |
543 | if (usb_submit_urb(urb, GFP_ATOMIC)) | |
544 | usb_unanchor_urb(urb); | |
3517afde HRK |
545 | } |
546 | ||
547 | static int rtl8187b_init_status_urb(struct ieee80211_hw *dev) | |
548 | { | |
549 | struct rtl8187_priv *priv = dev->priv; | |
550 | struct urb *entry; | |
c1db52b9 | 551 | int ret = 0; |
3517afde HRK |
552 | |
553 | entry = usb_alloc_urb(0, GFP_KERNEL); | |
554 | if (!entry) | |
555 | return -ENOMEM; | |
3517afde HRK |
556 | |
557 | usb_fill_bulk_urb(entry, priv->udev, usb_rcvbulkpipe(priv->udev, 9), | |
558 | &priv->b_tx_status.buf, sizeof(priv->b_tx_status.buf), | |
559 | rtl8187b_status_cb, dev); | |
560 | ||
c1db52b9 LF |
561 | usb_anchor_urb(entry, &priv->anchored); |
562 | ret = usb_submit_urb(entry, GFP_KERNEL); | |
563 | if (ret) | |
564 | usb_unanchor_urb(entry); | |
565 | usb_free_urb(entry); | |
3517afde | 566 | |
c1db52b9 | 567 | return ret; |
3517afde HRK |
568 | } |
569 | ||
0bf198eb HRK |
570 | static void rtl8187_set_anaparam(struct rtl8187_priv *priv, bool rfon) |
571 | { | |
572 | u32 anaparam, anaparam2; | |
573 | u8 anaparam3, reg; | |
574 | ||
575 | if (!priv->is_rtl8187b) { | |
576 | if (rfon) { | |
577 | anaparam = RTL8187_RTL8225_ANAPARAM_ON; | |
578 | anaparam2 = RTL8187_RTL8225_ANAPARAM2_ON; | |
579 | } else { | |
580 | anaparam = RTL8187_RTL8225_ANAPARAM_OFF; | |
581 | anaparam2 = RTL8187_RTL8225_ANAPARAM2_OFF; | |
582 | } | |
583 | } else { | |
584 | if (rfon) { | |
585 | anaparam = RTL8187B_RTL8225_ANAPARAM_ON; | |
586 | anaparam2 = RTL8187B_RTL8225_ANAPARAM2_ON; | |
587 | anaparam3 = RTL8187B_RTL8225_ANAPARAM3_ON; | |
588 | } else { | |
589 | anaparam = RTL8187B_RTL8225_ANAPARAM_OFF; | |
590 | anaparam2 = RTL8187B_RTL8225_ANAPARAM2_OFF; | |
591 | anaparam3 = RTL8187B_RTL8225_ANAPARAM3_OFF; | |
592 | } | |
593 | } | |
594 | ||
595 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, | |
596 | RTL818X_EEPROM_CMD_CONFIG); | |
597 | reg = rtl818x_ioread8(priv, &priv->map->CONFIG3); | |
598 | reg |= RTL818X_CONFIG3_ANAPARAM_WRITE; | |
599 | rtl818x_iowrite8(priv, &priv->map->CONFIG3, reg); | |
600 | rtl818x_iowrite32(priv, &priv->map->ANAPARAM, anaparam); | |
601 | rtl818x_iowrite32(priv, &priv->map->ANAPARAM2, anaparam2); | |
602 | if (priv->is_rtl8187b) | |
aabcaa8b | 603 | rtl818x_iowrite8(priv, &priv->map->ANAPARAM3A, anaparam3); |
0bf198eb HRK |
604 | reg &= ~RTL818X_CONFIG3_ANAPARAM_WRITE; |
605 | rtl818x_iowrite8(priv, &priv->map->CONFIG3, reg); | |
606 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, | |
607 | RTL818X_EEPROM_CMD_NORMAL); | |
608 | } | |
609 | ||
f8a08c34 | 610 | static int rtl8187_cmd_reset(struct ieee80211_hw *dev) |
605bebe2 MW |
611 | { |
612 | struct rtl8187_priv *priv = dev->priv; | |
613 | u8 reg; | |
614 | int i; | |
615 | ||
605bebe2 MW |
616 | reg = rtl818x_ioread8(priv, &priv->map->CMD); |
617 | reg &= (1 << 1); | |
618 | reg |= RTL818X_CMD_RESET; | |
619 | rtl818x_iowrite8(priv, &priv->map->CMD, reg); | |
620 | ||
621 | i = 10; | |
622 | do { | |
623 | msleep(2); | |
624 | if (!(rtl818x_ioread8(priv, &priv->map->CMD) & | |
625 | RTL818X_CMD_RESET)) | |
626 | break; | |
627 | } while (--i); | |
628 | ||
629 | if (!i) { | |
5db55844 | 630 | wiphy_err(dev->wiphy, "Reset timeout!\n"); |
605bebe2 MW |
631 | return -ETIMEDOUT; |
632 | } | |
633 | ||
634 | /* reload registers from eeprom */ | |
635 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_LOAD); | |
636 | ||
637 | i = 10; | |
638 | do { | |
639 | msleep(4); | |
640 | if (!(rtl818x_ioread8(priv, &priv->map->EEPROM_CMD) & | |
641 | RTL818X_EEPROM_CMD_CONFIG)) | |
642 | break; | |
643 | } while (--i); | |
644 | ||
645 | if (!i) { | |
c96c31e4 | 646 | wiphy_err(dev->wiphy, "eeprom reset timeout!\n"); |
605bebe2 MW |
647 | return -ETIMEDOUT; |
648 | } | |
649 | ||
f8a08c34 HTL |
650 | return 0; |
651 | } | |
652 | ||
653 | static int rtl8187_init_hw(struct ieee80211_hw *dev) | |
654 | { | |
655 | struct rtl8187_priv *priv = dev->priv; | |
656 | u8 reg; | |
657 | int res; | |
658 | ||
659 | /* reset */ | |
0bf198eb | 660 | rtl8187_set_anaparam(priv, true); |
f8a08c34 HTL |
661 | |
662 | rtl818x_iowrite16(priv, &priv->map->INT_MASK, 0); | |
663 | ||
664 | msleep(200); | |
665 | rtl818x_iowrite8(priv, (u8 *)0xFE18, 0x10); | |
666 | rtl818x_iowrite8(priv, (u8 *)0xFE18, 0x11); | |
667 | rtl818x_iowrite8(priv, (u8 *)0xFE18, 0x00); | |
668 | msleep(200); | |
669 | ||
670 | res = rtl8187_cmd_reset(dev); | |
671 | if (res) | |
672 | return res; | |
673 | ||
0bf198eb | 674 | rtl8187_set_anaparam(priv, true); |
605bebe2 MW |
675 | |
676 | /* setup card */ | |
677 | rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, 0); | |
ca9152e3 | 678 | rtl818x_iowrite8(priv, &priv->map->GPIO0, 0); |
605bebe2 MW |
679 | |
680 | rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, (4 << 8)); | |
ca9152e3 | 681 | rtl818x_iowrite8(priv, &priv->map->GPIO0, 1); |
605bebe2 MW |
682 | rtl818x_iowrite8(priv, &priv->map->GP_ENABLE, 0); |
683 | ||
684 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_CONFIG); | |
605bebe2 MW |
685 | |
686 | rtl818x_iowrite16(priv, (__le16 *)0xFFF4, 0xFFFF); | |
687 | reg = rtl818x_ioread8(priv, &priv->map->CONFIG1); | |
688 | reg &= 0x3F; | |
689 | reg |= 0x80; | |
690 | rtl818x_iowrite8(priv, &priv->map->CONFIG1, reg); | |
691 | ||
692 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL); | |
693 | ||
694 | rtl818x_iowrite32(priv, &priv->map->INT_TIMEOUT, 0); | |
695 | rtl818x_iowrite8(priv, &priv->map->WPA_CONF, 0); | |
2f47690e | 696 | rtl818x_iowrite8(priv, &priv->map->RATE_FALLBACK, 0); |
605bebe2 MW |
697 | |
698 | // TODO: set RESP_RATE and BRSR properly | |
699 | rtl818x_iowrite8(priv, &priv->map->RESP_RATE, (8 << 4) | 0); | |
700 | rtl818x_iowrite16(priv, &priv->map->BRSR, 0x01F3); | |
701 | ||
702 | /* host_usb_init */ | |
703 | rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, 0); | |
ca9152e3 | 704 | rtl818x_iowrite8(priv, &priv->map->GPIO0, 0); |
605bebe2 MW |
705 | reg = rtl818x_ioread8(priv, (u8 *)0xFE53); |
706 | rtl818x_iowrite8(priv, (u8 *)0xFE53, reg | (1 << 7)); | |
707 | rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, (4 << 8)); | |
ca9152e3 | 708 | rtl818x_iowrite8(priv, &priv->map->GPIO0, 0x20); |
605bebe2 MW |
709 | rtl818x_iowrite8(priv, &priv->map->GP_ENABLE, 0); |
710 | rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, 0x80); | |
711 | rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, 0x80); | |
712 | rtl818x_iowrite16(priv, &priv->map->RFPinsEnable, 0x80); | |
713 | msleep(100); | |
714 | ||
715 | rtl818x_iowrite32(priv, &priv->map->RF_TIMING, 0x000a8008); | |
716 | rtl818x_iowrite16(priv, &priv->map->BRSR, 0xFFFF); | |
717 | rtl818x_iowrite32(priv, &priv->map->RF_PARA, 0x00100044); | |
f8a08c34 HTL |
718 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, |
719 | RTL818X_EEPROM_CMD_CONFIG); | |
605bebe2 | 720 | rtl818x_iowrite8(priv, &priv->map->CONFIG3, 0x44); |
f8a08c34 HTL |
721 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, |
722 | RTL818X_EEPROM_CMD_NORMAL); | |
605bebe2 MW |
723 | rtl818x_iowrite16(priv, &priv->map->RFPinsEnable, 0x1FF7); |
724 | msleep(100); | |
725 | ||
f6532111 | 726 | priv->rf->init(dev); |
605bebe2 MW |
727 | |
728 | rtl818x_iowrite16(priv, &priv->map->BRSR, 0x01F3); | |
f6532111 MW |
729 | reg = rtl818x_ioread8(priv, &priv->map->PGSELECT) & ~1; |
730 | rtl818x_iowrite8(priv, &priv->map->PGSELECT, reg | 1); | |
605bebe2 MW |
731 | rtl818x_iowrite16(priv, (__le16 *)0xFFFE, 0x10); |
732 | rtl818x_iowrite8(priv, &priv->map->TALLY_SEL, 0x80); | |
733 | rtl818x_iowrite8(priv, (u8 *)0xFFFF, 0x60); | |
f6532111 | 734 | rtl818x_iowrite8(priv, &priv->map->PGSELECT, reg); |
605bebe2 MW |
735 | |
736 | return 0; | |
737 | } | |
738 | ||
f8a08c34 HTL |
739 | static const u8 rtl8187b_reg_table[][3] = { |
740 | {0xF0, 0x32, 0}, {0xF1, 0x32, 0}, {0xF2, 0x00, 0}, {0xF3, 0x00, 0}, | |
741 | {0xF4, 0x32, 0}, {0xF5, 0x43, 0}, {0xF6, 0x00, 0}, {0xF7, 0x00, 0}, | |
742 | {0xF8, 0x46, 0}, {0xF9, 0xA4, 0}, {0xFA, 0x00, 0}, {0xFB, 0x00, 0}, | |
743 | {0xFC, 0x96, 0}, {0xFD, 0xA4, 0}, {0xFE, 0x00, 0}, {0xFF, 0x00, 0}, | |
744 | ||
745 | {0x58, 0x4B, 1}, {0x59, 0x00, 1}, {0x5A, 0x4B, 1}, {0x5B, 0x00, 1}, | |
746 | {0x60, 0x4B, 1}, {0x61, 0x09, 1}, {0x62, 0x4B, 1}, {0x63, 0x09, 1}, | |
327571ea HRK |
747 | {0xCE, 0x0F, 1}, {0xCF, 0x00, 1}, {0xF0, 0x4E, 1}, {0xF1, 0x01, 1}, |
748 | {0xF2, 0x02, 1}, {0xF3, 0x03, 1}, {0xF4, 0x04, 1}, {0xF5, 0x05, 1}, | |
749 | {0xF6, 0x06, 1}, {0xF7, 0x07, 1}, {0xF8, 0x08, 1}, | |
f8a08c34 HTL |
750 | |
751 | {0x4E, 0x00, 2}, {0x0C, 0x04, 2}, {0x21, 0x61, 2}, {0x22, 0x68, 2}, | |
752 | {0x23, 0x6F, 2}, {0x24, 0x76, 2}, {0x25, 0x7D, 2}, {0x26, 0x84, 2}, | |
753 | {0x27, 0x8D, 2}, {0x4D, 0x08, 2}, {0x50, 0x05, 2}, {0x51, 0xF5, 2}, | |
754 | {0x52, 0x04, 2}, {0x53, 0xA0, 2}, {0x54, 0x1F, 2}, {0x55, 0x23, 2}, | |
755 | {0x56, 0x45, 2}, {0x57, 0x67, 2}, {0x58, 0x08, 2}, {0x59, 0x08, 2}, | |
756 | {0x5A, 0x08, 2}, {0x5B, 0x08, 2}, {0x60, 0x08, 2}, {0x61, 0x08, 2}, | |
a8ff34e3 | 757 | {0x62, 0x08, 2}, {0x63, 0x08, 2}, {0x64, 0xCF, 2}, |
f8a08c34 | 758 | |
60f58914 HRK |
759 | {0x5B, 0x40, 0}, {0x84, 0x88, 0}, {0x85, 0x24, 0}, {0x88, 0x54, 0}, |
760 | {0x8B, 0xB8, 0}, {0x8C, 0x07, 0}, {0x8D, 0x00, 0}, {0x94, 0x1B, 0}, | |
761 | {0x95, 0x12, 0}, {0x96, 0x00, 0}, {0x97, 0x06, 0}, {0x9D, 0x1A, 0}, | |
762 | {0x9F, 0x10, 0}, {0xB4, 0x22, 0}, {0xBE, 0x80, 0}, {0xDB, 0x00, 0}, | |
763 | {0xEE, 0x00, 0}, {0x4C, 0x00, 2}, | |
f8a08c34 | 764 | |
a027087a LF |
765 | {0x9F, 0x00, 3}, {0x8C, 0x01, 0}, {0x8D, 0x10, 0}, {0x8E, 0x08, 0}, |
766 | {0x8F, 0x00, 0} | |
f8a08c34 HTL |
767 | }; |
768 | ||
769 | static int rtl8187b_init_hw(struct ieee80211_hw *dev) | |
770 | { | |
771 | struct rtl8187_priv *priv = dev->priv; | |
772 | int res, i; | |
773 | u8 reg; | |
774 | ||
0bf198eb | 775 | rtl8187_set_anaparam(priv, true); |
f8a08c34 | 776 | |
896cae65 HRK |
777 | /* Reset PLL sequence on 8187B. Realtek note: reduces power |
778 | * consumption about 30 mA */ | |
779 | rtl818x_iowrite8(priv, (u8 *)0xFF61, 0x10); | |
780 | reg = rtl818x_ioread8(priv, (u8 *)0xFF62); | |
781 | rtl818x_iowrite8(priv, (u8 *)0xFF62, reg & ~(1 << 5)); | |
782 | rtl818x_iowrite8(priv, (u8 *)0xFF62, reg | (1 << 5)); | |
783 | ||
f8a08c34 HTL |
784 | res = rtl8187_cmd_reset(dev); |
785 | if (res) | |
786 | return res; | |
787 | ||
daeeb074 HRK |
788 | rtl8187_set_anaparam(priv, true); |
789 | ||
60f58914 HRK |
790 | /* BRSR (Basic Rate Set Register) on 8187B looks to be the same as |
791 | * RESP_RATE on 8187L in Realtek sources: each bit should be each | |
792 | * one of the 12 rates, all are enabled */ | |
793 | rtl818x_iowrite16(priv, (__le16 *)0xFF34, 0x0FFF); | |
794 | ||
f8a08c34 | 795 | reg = rtl818x_ioread8(priv, &priv->map->CW_CONF); |
6f7343d4 | 796 | reg |= RTL818X_CW_CONF_PERPACKET_RETRY; |
f8a08c34 | 797 | rtl818x_iowrite8(priv, &priv->map->CW_CONF, reg); |
f8a08c34 | 798 | |
327571ea | 799 | /* Auto Rate Fallback Register (ARFR): 1M-54M setting */ |
f8a08c34 | 800 | rtl818x_iowrite16_idx(priv, (__le16 *)0xFFE0, 0x0FFF, 1); |
327571ea | 801 | rtl818x_iowrite8_idx(priv, (u8 *)0xFFE2, 0x00, 1); |
f8a08c34 | 802 | |
f8a08c34 HTL |
803 | rtl818x_iowrite16_idx(priv, (__le16 *)0xFFD4, 0xFFFF, 1); |
804 | ||
805 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, | |
806 | RTL818X_EEPROM_CMD_CONFIG); | |
807 | reg = rtl818x_ioread8(priv, &priv->map->CONFIG1); | |
808 | rtl818x_iowrite8(priv, &priv->map->CONFIG1, (reg & 0x3F) | 0x80); | |
809 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, | |
810 | RTL818X_EEPROM_CMD_NORMAL); | |
811 | ||
812 | rtl818x_iowrite8(priv, &priv->map->WPA_CONF, 0); | |
813 | for (i = 0; i < ARRAY_SIZE(rtl8187b_reg_table); i++) { | |
814 | rtl818x_iowrite8_idx(priv, | |
815 | (u8 *)(uintptr_t) | |
816 | (rtl8187b_reg_table[i][0] | 0xFF00), | |
817 | rtl8187b_reg_table[i][1], | |
818 | rtl8187b_reg_table[i][2]); | |
819 | } | |
820 | ||
821 | rtl818x_iowrite16(priv, &priv->map->TID_AC_MAP, 0xFA50); | |
822 | rtl818x_iowrite16(priv, &priv->map->INT_MIG, 0); | |
823 | ||
824 | rtl818x_iowrite32_idx(priv, (__le32 *)0xFFF0, 0, 1); | |
825 | rtl818x_iowrite32_idx(priv, (__le32 *)0xFFF4, 0, 1); | |
826 | rtl818x_iowrite8_idx(priv, (u8 *)0xFFF8, 0, 1); | |
827 | ||
828 | rtl818x_iowrite32(priv, &priv->map->RF_TIMING, 0x00004001); | |
829 | ||
a8ff34e3 | 830 | /* RFSW_CTRL register */ |
f8a08c34 HTL |
831 | rtl818x_iowrite16_idx(priv, (__le16 *)0xFF72, 0x569A, 2); |
832 | ||
f8a08c34 HTL |
833 | rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, 0x0480); |
834 | rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, 0x2488); | |
835 | rtl818x_iowrite16(priv, &priv->map->RFPinsEnable, 0x1FFF); | |
2f20596b | 836 | msleep(100); |
f8a08c34 HTL |
837 | |
838 | priv->rf->init(dev); | |
839 | ||
840 | reg = RTL818X_CMD_TX_ENABLE | RTL818X_CMD_RX_ENABLE; | |
841 | rtl818x_iowrite8(priv, &priv->map->CMD, reg); | |
842 | rtl818x_iowrite16(priv, &priv->map->INT_MASK, 0xFFFF); | |
843 | ||
844 | rtl818x_iowrite8(priv, (u8 *)0xFE41, 0xF4); | |
845 | rtl818x_iowrite8(priv, (u8 *)0xFE40, 0x00); | |
846 | rtl818x_iowrite8(priv, (u8 *)0xFE42, 0x00); | |
847 | rtl818x_iowrite8(priv, (u8 *)0xFE42, 0x01); | |
848 | rtl818x_iowrite8(priv, (u8 *)0xFE40, 0x0F); | |
849 | rtl818x_iowrite8(priv, (u8 *)0xFE42, 0x00); | |
850 | rtl818x_iowrite8(priv, (u8 *)0xFE42, 0x01); | |
851 | ||
852 | reg = rtl818x_ioread8(priv, (u8 *)0xFFDB); | |
853 | rtl818x_iowrite8(priv, (u8 *)0xFFDB, reg | (1 << 2)); | |
854 | rtl818x_iowrite16_idx(priv, (__le16 *)0xFF72, 0x59FA, 3); | |
855 | rtl818x_iowrite16_idx(priv, (__le16 *)0xFF74, 0x59D2, 3); | |
856 | rtl818x_iowrite16_idx(priv, (__le16 *)0xFF76, 0x59D2, 3); | |
857 | rtl818x_iowrite16_idx(priv, (__le16 *)0xFF78, 0x19FA, 3); | |
858 | rtl818x_iowrite16_idx(priv, (__le16 *)0xFF7A, 0x19FA, 3); | |
859 | rtl818x_iowrite16_idx(priv, (__le16 *)0xFF7C, 0x00D0, 3); | |
860 | rtl818x_iowrite8(priv, (u8 *)0xFF61, 0); | |
861 | rtl818x_iowrite8_idx(priv, (u8 *)0xFF80, 0x0F, 1); | |
862 | rtl818x_iowrite8_idx(priv, (u8 *)0xFF83, 0x03, 1); | |
863 | rtl818x_iowrite8(priv, (u8 *)0xFFDA, 0x10); | |
864 | rtl818x_iowrite8_idx(priv, (u8 *)0xFF4D, 0x08, 2); | |
865 | ||
866 | rtl818x_iowrite32(priv, &priv->map->HSSI_PARA, 0x0600321B); | |
867 | ||
868 | rtl818x_iowrite16_idx(priv, (__le16 *)0xFFEC, 0x0800, 1); | |
869 | ||
b4572a92 HRK |
870 | priv->slot_time = 0x9; |
871 | priv->aifsn[0] = 2; /* AIFSN[AC_VO] */ | |
872 | priv->aifsn[1] = 2; /* AIFSN[AC_VI] */ | |
873 | priv->aifsn[2] = 7; /* AIFSN[AC_BK] */ | |
874 | priv->aifsn[3] = 3; /* AIFSN[AC_BE] */ | |
875 | rtl818x_iowrite8(priv, &priv->map->ACM_CONTROL, 0); | |
876 | ||
1a9937b7 HRK |
877 | /* ENEDCA flag must always be set, transmit issues? */ |
878 | rtl818x_iowrite8(priv, &priv->map->MSR, RTL818X_MSR_ENEDCA); | |
879 | ||
f8a08c34 HTL |
880 | return 0; |
881 | } | |
882 | ||
2f47690e LF |
883 | static void rtl8187_work(struct work_struct *work) |
884 | { | |
885 | /* The RTL8187 returns the retry count through register 0xFFFA. In | |
886 | * addition, it appears to be a cumulative retry count, not the | |
887 | * value for the current TX packet. When multiple TX entries are | |
6410db59 LF |
888 | * waiting in the queue, the retry count will be the total for all. |
889 | * The "error" may matter for purposes of rate setting, but there is | |
890 | * no other choice with this hardware. | |
891 | */ | |
2f47690e LF |
892 | struct rtl8187_priv *priv = container_of(work, struct rtl8187_priv, |
893 | work.work); | |
894 | struct ieee80211_tx_info *info; | |
895 | struct ieee80211_hw *dev = priv->dev; | |
896 | static u16 retry; | |
897 | u16 tmp; | |
6410db59 LF |
898 | u16 avg_retry; |
899 | int length; | |
2f47690e LF |
900 | |
901 | mutex_lock(&priv->conf_mutex); | |
902 | tmp = rtl818x_ioread16(priv, (__le16 *)0xFFFA); | |
6410db59 LF |
903 | length = skb_queue_len(&priv->b_tx_status.queue); |
904 | if (unlikely(!length)) | |
905 | length = 1; | |
906 | if (unlikely(tmp < retry)) | |
907 | tmp = retry; | |
908 | avg_retry = (tmp - retry) / length; | |
2f47690e LF |
909 | while (skb_queue_len(&priv->b_tx_status.queue) > 0) { |
910 | struct sk_buff *old_skb; | |
911 | ||
912 | old_skb = skb_dequeue(&priv->b_tx_status.queue); | |
913 | info = IEEE80211_SKB_CB(old_skb); | |
6410db59 LF |
914 | info->status.rates[0].count = avg_retry + 1; |
915 | if (info->status.rates[0].count > RETRY_COUNT) | |
916 | info->flags &= ~IEEE80211_TX_STAT_ACK; | |
2f47690e LF |
917 | ieee80211_tx_status_irqsafe(dev, old_skb); |
918 | } | |
919 | retry = tmp; | |
920 | mutex_unlock(&priv->conf_mutex); | |
921 | } | |
922 | ||
4150c572 | 923 | static int rtl8187_start(struct ieee80211_hw *dev) |
605bebe2 MW |
924 | { |
925 | struct rtl8187_priv *priv = dev->priv; | |
926 | u32 reg; | |
927 | int ret; | |
928 | ||
ca9152e3 HRK |
929 | mutex_lock(&priv->conf_mutex); |
930 | ||
f8a08c34 HTL |
931 | ret = (!priv->is_rtl8187b) ? rtl8187_init_hw(dev) : |
932 | rtl8187b_init_hw(dev); | |
605bebe2 | 933 | if (ret) |
ca9152e3 | 934 | goto rtl8187_start_exit; |
c1db52b9 LF |
935 | |
936 | init_usb_anchor(&priv->anchored); | |
2f47690e | 937 | priv->dev = dev; |
c1db52b9 | 938 | |
f8a08c34 HTL |
939 | if (priv->is_rtl8187b) { |
940 | reg = RTL818X_RX_CONF_MGMT | | |
941 | RTL818X_RX_CONF_DATA | | |
942 | RTL818X_RX_CONF_BROADCAST | | |
943 | RTL818X_RX_CONF_NICMAC | | |
944 | RTL818X_RX_CONF_BSSID | | |
945 | (7 << 13 /* RX FIFO threshold NONE */) | | |
946 | (7 << 10 /* MAX RX DMA */) | | |
947 | RTL818X_RX_CONF_RX_AUTORESETPHY | | |
3beb2702 | 948 | RTL818X_RX_CONF_ONLYERLPKT; |
f8a08c34 HTL |
949 | priv->rx_conf = reg; |
950 | rtl818x_iowrite32(priv, &priv->map->RX_CONF, reg); | |
951 | ||
19999792 | 952 | reg = rtl818x_ioread8(priv, &priv->map->TX_AGC_CTL); |
6f7343d4 | 953 | reg &= ~RTL818X_TX_AGC_CTL_PERPACKET_GAIN; |
954 | reg &= ~RTL818X_TX_AGC_CTL_PERPACKET_ANTSEL; | |
19999792 TLSC |
955 | reg &= ~RTL818X_TX_AGC_CTL_FEEDBACK_ANT; |
956 | rtl818x_iowrite8(priv, &priv->map->TX_AGC_CTL, reg); | |
957 | ||
f8a08c34 HTL |
958 | rtl818x_iowrite32(priv, &priv->map->TX_CONF, |
959 | RTL818X_TX_CONF_HW_SEQNUM | | |
960 | RTL818X_TX_CONF_DISREQQSIZE | | |
6410db59 LF |
961 | (RETRY_COUNT << 8 /* short retry limit */) | |
962 | (RETRY_COUNT << 0 /* long retry limit */) | | |
f8a08c34 | 963 | (7 << 21 /* MAX TX DMA */)); |
8a10da26 AK |
964 | ret = rtl8187_init_urbs(dev); |
965 | if (ret) | |
966 | goto rtl8187_start_exit; | |
967 | ret = rtl8187b_init_status_urb(dev); | |
968 | if (ret) | |
969 | usb_kill_anchored_urbs(&priv->anchored); | |
ca9152e3 | 970 | goto rtl8187_start_exit; |
f8a08c34 HTL |
971 | } |
972 | ||
605bebe2 MW |
973 | rtl818x_iowrite16(priv, &priv->map->INT_MASK, 0xFFFF); |
974 | ||
2fe14263 MW |
975 | rtl818x_iowrite32(priv, &priv->map->MAR[0], ~0); |
976 | rtl818x_iowrite32(priv, &priv->map->MAR[1], ~0); | |
977 | ||
8a10da26 AK |
978 | ret = rtl8187_init_urbs(dev); |
979 | if (ret) | |
980 | goto rtl8187_start_exit; | |
605bebe2 MW |
981 | |
982 | reg = RTL818X_RX_CONF_ONLYERLPKT | | |
983 | RTL818X_RX_CONF_RX_AUTORESETPHY | | |
984 | RTL818X_RX_CONF_BSSID | | |
985 | RTL818X_RX_CONF_MGMT | | |
605bebe2 MW |
986 | RTL818X_RX_CONF_DATA | |
987 | (7 << 13 /* RX FIFO threshold NONE */) | | |
988 | (7 << 10 /* MAX RX DMA */) | | |
989 | RTL818X_RX_CONF_BROADCAST | | |
605bebe2 | 990 | RTL818X_RX_CONF_NICMAC; |
605bebe2 | 991 | |
4150c572 | 992 | priv->rx_conf = reg; |
605bebe2 MW |
993 | rtl818x_iowrite32(priv, &priv->map->RX_CONF, reg); |
994 | ||
995 | reg = rtl818x_ioread8(priv, &priv->map->CW_CONF); | |
6f7343d4 | 996 | reg &= ~RTL818X_CW_CONF_PERPACKET_CW; |
997 | reg |= RTL818X_CW_CONF_PERPACKET_RETRY; | |
605bebe2 MW |
998 | rtl818x_iowrite8(priv, &priv->map->CW_CONF, reg); |
999 | ||
1000 | reg = rtl818x_ioread8(priv, &priv->map->TX_AGC_CTL); | |
6f7343d4 | 1001 | reg &= ~RTL818X_TX_AGC_CTL_PERPACKET_GAIN; |
1002 | reg &= ~RTL818X_TX_AGC_CTL_PERPACKET_ANTSEL; | |
605bebe2 MW |
1003 | reg &= ~RTL818X_TX_AGC_CTL_FEEDBACK_ANT; |
1004 | rtl818x_iowrite8(priv, &priv->map->TX_AGC_CTL, reg); | |
1005 | ||
1006 | reg = RTL818X_TX_CONF_CW_MIN | | |
1007 | (7 << 21 /* MAX TX DMA */) | | |
1008 | RTL818X_TX_CONF_NO_ICV; | |
1009 | rtl818x_iowrite32(priv, &priv->map->TX_CONF, reg); | |
1010 | ||
1011 | reg = rtl818x_ioread8(priv, &priv->map->CMD); | |
1012 | reg |= RTL818X_CMD_TX_ENABLE; | |
1013 | reg |= RTL818X_CMD_RX_ENABLE; | |
1014 | rtl818x_iowrite8(priv, &priv->map->CMD, reg); | |
2f47690e | 1015 | INIT_DELAYED_WORK(&priv->work, rtl8187_work); |
605bebe2 | 1016 | |
ca9152e3 HRK |
1017 | rtl8187_start_exit: |
1018 | mutex_unlock(&priv->conf_mutex); | |
1019 | return ret; | |
605bebe2 MW |
1020 | } |
1021 | ||
4150c572 | 1022 | static void rtl8187_stop(struct ieee80211_hw *dev) |
605bebe2 MW |
1023 | { |
1024 | struct rtl8187_priv *priv = dev->priv; | |
605bebe2 MW |
1025 | struct sk_buff *skb; |
1026 | u32 reg; | |
1027 | ||
7dcdd073 | 1028 | mutex_lock(&priv->conf_mutex); |
605bebe2 MW |
1029 | rtl818x_iowrite16(priv, &priv->map->INT_MASK, 0); |
1030 | ||
1031 | reg = rtl818x_ioread8(priv, &priv->map->CMD); | |
1032 | reg &= ~RTL818X_CMD_TX_ENABLE; | |
1033 | reg &= ~RTL818X_CMD_RX_ENABLE; | |
1034 | rtl818x_iowrite8(priv, &priv->map->CMD, reg); | |
1035 | ||
f6532111 | 1036 | priv->rf->stop(dev); |
0bf198eb | 1037 | rtl8187_set_anaparam(priv, false); |
605bebe2 MW |
1038 | |
1039 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_CONFIG); | |
1040 | reg = rtl818x_ioread8(priv, &priv->map->CONFIG4); | |
1041 | rtl818x_iowrite8(priv, &priv->map->CONFIG4, reg | RTL818X_CONFIG4_VCOOFF); | |
1042 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL); | |
1043 | ||
3517afde HRK |
1044 | while ((skb = skb_dequeue(&priv->b_tx_status.queue))) |
1045 | dev_kfree_skb_any(skb); | |
c1db52b9 LF |
1046 | |
1047 | usb_kill_anchored_urbs(&priv->anchored); | |
6a8171f2 HRK |
1048 | mutex_unlock(&priv->conf_mutex); |
1049 | ||
2f47690e LF |
1050 | if (!priv->is_rtl8187b) |
1051 | cancel_delayed_work_sync(&priv->work); | |
605bebe2 MW |
1052 | } |
1053 | ||
41b58f18 AF |
1054 | static u64 rtl8187_get_tsf(struct ieee80211_hw *dev, struct ieee80211_vif *vif) |
1055 | { | |
1056 | struct rtl8187_priv *priv = dev->priv; | |
1057 | ||
1058 | return rtl818x_ioread32(priv, &priv->map->TSFT[0]) | | |
1059 | (u64)(rtl818x_ioread32(priv, &priv->map->TSFT[1])) << 32; | |
1060 | } | |
1061 | ||
1062 | ||
1063 | static void rtl8187_beacon_work(struct work_struct *work) | |
1064 | { | |
1065 | struct rtl8187_vif *vif_priv = | |
1066 | container_of(work, struct rtl8187_vif, beacon_work.work); | |
1067 | struct ieee80211_vif *vif = | |
1068 | container_of((void *)vif_priv, struct ieee80211_vif, drv_priv); | |
1069 | struct ieee80211_hw *dev = vif_priv->dev; | |
1070 | struct ieee80211_mgmt *mgmt; | |
1071 | struct sk_buff *skb; | |
1072 | ||
1073 | /* don't overflow the tx ring */ | |
1074 | if (ieee80211_queue_stopped(dev, 0)) | |
1075 | goto resched; | |
1076 | ||
1077 | /* grab a fresh beacon */ | |
1078 | skb = ieee80211_beacon_get(dev, vif); | |
1079 | if (!skb) | |
1080 | goto resched; | |
1081 | ||
1082 | /* | |
1083 | * update beacon timestamp w/ TSF value | |
1084 | * TODO: make hardware update beacon timestamp | |
1085 | */ | |
1086 | mgmt = (struct ieee80211_mgmt *)skb->data; | |
1087 | mgmt->u.beacon.timestamp = cpu_to_le64(rtl8187_get_tsf(dev, vif)); | |
1088 | ||
1089 | /* TODO: use actual beacon queue */ | |
1090 | skb_set_queue_mapping(skb, 0); | |
1091 | ||
36323f81 | 1092 | rtl8187_tx(dev, NULL, skb); |
41b58f18 AF |
1093 | |
1094 | resched: | |
1095 | /* | |
1096 | * schedule next beacon | |
1097 | * TODO: use hardware support for beacon timing | |
1098 | */ | |
1099 | schedule_delayed_work(&vif_priv->beacon_work, | |
1100 | usecs_to_jiffies(1024 * vif->bss_conf.beacon_int)); | |
1101 | } | |
1102 | ||
1103 | ||
605bebe2 | 1104 | static int rtl8187_add_interface(struct ieee80211_hw *dev, |
1ed32e4f | 1105 | struct ieee80211_vif *vif) |
605bebe2 MW |
1106 | { |
1107 | struct rtl8187_priv *priv = dev->priv; | |
41b58f18 | 1108 | struct rtl8187_vif *vif_priv; |
4150c572 | 1109 | int i; |
66aafd9a | 1110 | int ret = -EOPNOTSUPP; |
605bebe2 | 1111 | |
66aafd9a | 1112 | mutex_lock(&priv->conf_mutex); |
d30506e0 | 1113 | if (priv->vif) |
66aafd9a | 1114 | goto exit; |
605bebe2 | 1115 | |
1ed32e4f | 1116 | switch (vif->type) { |
05c914fe | 1117 | case NL80211_IFTYPE_STATION: |
41b58f18 | 1118 | case NL80211_IFTYPE_ADHOC: |
605bebe2 MW |
1119 | break; |
1120 | default: | |
66aafd9a | 1121 | goto exit; |
605bebe2 MW |
1122 | } |
1123 | ||
66aafd9a | 1124 | ret = 0; |
1ed32e4f | 1125 | priv->vif = vif; |
aa979a6a | 1126 | |
41b58f18 AF |
1127 | /* Initialize driver private area */ |
1128 | vif_priv = (struct rtl8187_vif *)&vif->drv_priv; | |
1129 | vif_priv->dev = dev; | |
1130 | INIT_DELAYED_WORK(&vif_priv->beacon_work, rtl8187_beacon_work); | |
1131 | vif_priv->enable_beacon = false; | |
1132 | ||
1133 | ||
4150c572 JB |
1134 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_CONFIG); |
1135 | for (i = 0; i < ETH_ALEN; i++) | |
1136 | rtl818x_iowrite8(priv, &priv->map->MAC[i], | |
1ed32e4f | 1137 | ((u8 *)vif->addr)[i]); |
4150c572 | 1138 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL); |
605bebe2 | 1139 | |
66aafd9a | 1140 | exit: |
7dcdd073 | 1141 | mutex_unlock(&priv->conf_mutex); |
66aafd9a | 1142 | return ret; |
605bebe2 MW |
1143 | } |
1144 | ||
1145 | static void rtl8187_remove_interface(struct ieee80211_hw *dev, | |
1ed32e4f | 1146 | struct ieee80211_vif *vif) |
605bebe2 MW |
1147 | { |
1148 | struct rtl8187_priv *priv = dev->priv; | |
7dcdd073 | 1149 | mutex_lock(&priv->conf_mutex); |
aa979a6a | 1150 | priv->vif = NULL; |
7dcdd073 | 1151 | mutex_unlock(&priv->conf_mutex); |
605bebe2 MW |
1152 | } |
1153 | ||
e8975581 | 1154 | static int rtl8187_config(struct ieee80211_hw *dev, u32 changed) |
605bebe2 MW |
1155 | { |
1156 | struct rtl8187_priv *priv = dev->priv; | |
e8975581 | 1157 | struct ieee80211_conf *conf = &dev->conf; |
f6532111 MW |
1158 | u32 reg; |
1159 | ||
7dcdd073 | 1160 | mutex_lock(&priv->conf_mutex); |
f6532111 MW |
1161 | reg = rtl818x_ioread32(priv, &priv->map->TX_CONF); |
1162 | /* Enable TX loopback on MAC level to avoid TX during channel | |
1163 | * changes, as this has be seen to causes problems and the | |
1164 | * card will stop work until next reset | |
1165 | */ | |
1166 | rtl818x_iowrite32(priv, &priv->map->TX_CONF, | |
1167 | reg | RTL818X_TX_CONF_LOOPBACK_MAC); | |
f6532111 MW |
1168 | priv->rf->set_chan(dev, conf); |
1169 | msleep(10); | |
1170 | rtl818x_iowrite32(priv, &priv->map->TX_CONF, reg); | |
605bebe2 | 1171 | |
605bebe2 MW |
1172 | rtl818x_iowrite16(priv, &priv->map->ATIM_WND, 2); |
1173 | rtl818x_iowrite16(priv, &priv->map->ATIMTR_INTERVAL, 100); | |
1174 | rtl818x_iowrite16(priv, &priv->map->BEACON_INTERVAL, 100); | |
1175 | rtl818x_iowrite16(priv, &priv->map->BEACON_INTERVAL_TIME, 100); | |
7dcdd073 | 1176 | mutex_unlock(&priv->conf_mutex); |
605bebe2 MW |
1177 | return 0; |
1178 | } | |
1179 | ||
b4572a92 HRK |
1180 | /* |
1181 | * With 8187B, AC_*_PARAM clashes with FEMR definition in struct rtl818x_csr for | |
1182 | * example. Thus we have to use raw values for AC_*_PARAM register addresses. | |
1183 | */ | |
1184 | static __le32 *rtl8187b_ac_addr[4] = { | |
1185 | (__le32 *) 0xFFF0, /* AC_VO */ | |
1186 | (__le32 *) 0xFFF4, /* AC_VI */ | |
1187 | (__le32 *) 0xFFFC, /* AC_BK */ | |
1188 | (__le32 *) 0xFFF8, /* AC_BE */ | |
1189 | }; | |
1190 | ||
1191 | #define SIFS_TIME 0xa | |
1192 | ||
f8288317 HRK |
1193 | static void rtl8187_conf_erp(struct rtl8187_priv *priv, bool use_short_slot, |
1194 | bool use_short_preamble) | |
64761077 | 1195 | { |
f8288317 | 1196 | if (priv->is_rtl8187b) { |
b4572a92 | 1197 | u8 difs, eifs; |
f8288317 | 1198 | u16 ack_timeout; |
b4572a92 | 1199 | int queue; |
f8288317 HRK |
1200 | |
1201 | if (use_short_slot) { | |
b4572a92 | 1202 | priv->slot_time = 0x9; |
f8288317 HRK |
1203 | difs = 0x1c; |
1204 | eifs = 0x53; | |
1205 | } else { | |
b4572a92 | 1206 | priv->slot_time = 0x14; |
f8288317 HRK |
1207 | difs = 0x32; |
1208 | eifs = 0x5b; | |
1209 | } | |
54ac218a | 1210 | rtl818x_iowrite8(priv, &priv->map->SIFS, 0x22); |
b4572a92 | 1211 | rtl818x_iowrite8(priv, &priv->map->SLOT, priv->slot_time); |
f8288317 HRK |
1212 | rtl818x_iowrite8(priv, &priv->map->DIFS, difs); |
1213 | ||
1214 | /* | |
1215 | * BRSR+1 on 8187B is in fact EIFS register | |
1216 | * Value in units of 4 us | |
1217 | */ | |
1218 | rtl818x_iowrite8(priv, (u8 *)&priv->map->BRSR + 1, eifs); | |
1219 | ||
1220 | /* | |
1221 | * For 8187B, CARRIER_SENSE_COUNTER is in fact ack timeout | |
1222 | * register. In units of 4 us like eifs register | |
1223 | * ack_timeout = ack duration + plcp + difs + preamble | |
1224 | */ | |
1225 | ack_timeout = 112 + 48 + difs; | |
1226 | if (use_short_preamble) | |
1227 | ack_timeout += 72; | |
1228 | else | |
1229 | ack_timeout += 144; | |
1230 | rtl818x_iowrite8(priv, &priv->map->CARRIER_SENSE_COUNTER, | |
1231 | DIV_ROUND_UP(ack_timeout, 4)); | |
b4572a92 HRK |
1232 | |
1233 | for (queue = 0; queue < 4; queue++) | |
1234 | rtl818x_iowrite8(priv, (u8 *) rtl8187b_ac_addr[queue], | |
1235 | priv->aifsn[queue] * priv->slot_time + | |
1236 | SIFS_TIME); | |
f8288317 | 1237 | } else { |
64761077 HRK |
1238 | rtl818x_iowrite8(priv, &priv->map->SIFS, 0x22); |
1239 | if (use_short_slot) { | |
1240 | rtl818x_iowrite8(priv, &priv->map->SLOT, 0x9); | |
1241 | rtl818x_iowrite8(priv, &priv->map->DIFS, 0x14); | |
1242 | rtl818x_iowrite8(priv, &priv->map->EIFS, 91 - 0x14); | |
64761077 HRK |
1243 | } else { |
1244 | rtl818x_iowrite8(priv, &priv->map->SLOT, 0x14); | |
1245 | rtl818x_iowrite8(priv, &priv->map->DIFS, 0x24); | |
1246 | rtl818x_iowrite8(priv, &priv->map->EIFS, 91 - 0x24); | |
64761077 HRK |
1247 | } |
1248 | } | |
1249 | } | |
1250 | ||
1251 | static void rtl8187_bss_info_changed(struct ieee80211_hw *dev, | |
1252 | struct ieee80211_vif *vif, | |
1253 | struct ieee80211_bss_conf *info, | |
1254 | u32 changed) | |
1255 | { | |
1256 | struct rtl8187_priv *priv = dev->priv; | |
41b58f18 | 1257 | struct rtl8187_vif *vif_priv; |
2d0ddec5 JB |
1258 | int i; |
1259 | u8 reg; | |
1260 | ||
41b58f18 AF |
1261 | vif_priv = (struct rtl8187_vif *)&vif->drv_priv; |
1262 | ||
2d0ddec5 JB |
1263 | if (changed & BSS_CHANGED_BSSID) { |
1264 | mutex_lock(&priv->conf_mutex); | |
1265 | for (i = 0; i < ETH_ALEN; i++) | |
1266 | rtl818x_iowrite8(priv, &priv->map->BSSID[i], | |
1267 | info->bssid[i]); | |
1268 | ||
1a9937b7 HRK |
1269 | if (priv->is_rtl8187b) |
1270 | reg = RTL818X_MSR_ENEDCA; | |
1271 | else | |
1272 | reg = 0; | |
1273 | ||
41b58f18 AF |
1274 | if (is_valid_ether_addr(info->bssid)) { |
1275 | if (vif->type == NL80211_IFTYPE_ADHOC) | |
1276 | reg |= RTL818X_MSR_ADHOC; | |
1277 | else | |
1278 | reg |= RTL818X_MSR_INFRA; | |
1279 | } | |
31a5cdda | 1280 | else |
1a9937b7 | 1281 | reg |= RTL818X_MSR_NO_LINK; |
31a5cdda JL |
1282 | |
1283 | rtl818x_iowrite8(priv, &priv->map->MSR, reg); | |
2d0ddec5 JB |
1284 | |
1285 | mutex_unlock(&priv->conf_mutex); | |
1286 | } | |
64761077 | 1287 | |
f8288317 HRK |
1288 | if (changed & (BSS_CHANGED_ERP_SLOT | BSS_CHANGED_ERP_PREAMBLE)) |
1289 | rtl8187_conf_erp(priv, info->use_short_slot, | |
1290 | info->use_short_preamble); | |
41b58f18 AF |
1291 | |
1292 | if (changed & BSS_CHANGED_BEACON_ENABLED) | |
1293 | vif_priv->enable_beacon = info->enable_beacon; | |
1294 | ||
1295 | if (changed & (BSS_CHANGED_BEACON_ENABLED | BSS_CHANGED_BEACON)) { | |
1296 | cancel_delayed_work_sync(&vif_priv->beacon_work); | |
1297 | if (vif_priv->enable_beacon) | |
1298 | schedule_work(&vif_priv->beacon_work.work); | |
1299 | } | |
1300 | ||
64761077 HRK |
1301 | } |
1302 | ||
3ac64bee | 1303 | static u64 rtl8187_prepare_multicast(struct ieee80211_hw *dev, |
22bedad3 | 1304 | struct netdev_hw_addr_list *mc_list) |
3ac64bee | 1305 | { |
22bedad3 | 1306 | return netdev_hw_addr_list_count(mc_list); |
3ac64bee JB |
1307 | } |
1308 | ||
4150c572 JB |
1309 | static void rtl8187_configure_filter(struct ieee80211_hw *dev, |
1310 | unsigned int changed_flags, | |
1311 | unsigned int *total_flags, | |
3ac64bee | 1312 | u64 multicast) |
4150c572 JB |
1313 | { |
1314 | struct rtl8187_priv *priv = dev->priv; | |
1315 | ||
4150c572 JB |
1316 | if (changed_flags & FIF_FCSFAIL) |
1317 | priv->rx_conf ^= RTL818X_RX_CONF_FCS; | |
1318 | if (changed_flags & FIF_CONTROL) | |
1319 | priv->rx_conf ^= RTL818X_RX_CONF_CTRL; | |
3beb2702 NH |
1320 | if (*total_flags & FIF_OTHER_BSS || |
1321 | *total_flags & FIF_ALLMULTI || multicast > 0) | |
1322 | priv->rx_conf |= RTL818X_RX_CONF_MONITOR; | |
2fe14263 | 1323 | else |
3beb2702 | 1324 | priv->rx_conf &= ~RTL818X_RX_CONF_MONITOR; |
2fe14263 MW |
1325 | |
1326 | *total_flags = 0; | |
4150c572 | 1327 | |
4150c572 JB |
1328 | if (priv->rx_conf & RTL818X_RX_CONF_FCS) |
1329 | *total_flags |= FIF_FCSFAIL; | |
1330 | if (priv->rx_conf & RTL818X_RX_CONF_CTRL) | |
1331 | *total_flags |= FIF_CONTROL; | |
3beb2702 | 1332 | if (priv->rx_conf & RTL818X_RX_CONF_MONITOR) { |
4150c572 | 1333 | *total_flags |= FIF_OTHER_BSS; |
2fe14263 | 1334 | *total_flags |= FIF_ALLMULTI; |
3beb2702 | 1335 | } |
4150c572 JB |
1336 | |
1337 | rtl818x_iowrite32_async(priv, &priv->map->RX_CONF, priv->rx_conf); | |
1338 | } | |
1339 | ||
8a3a3c85 EP |
1340 | static int rtl8187_conf_tx(struct ieee80211_hw *dev, |
1341 | struct ieee80211_vif *vif, u16 queue, | |
b4572a92 HRK |
1342 | const struct ieee80211_tx_queue_params *params) |
1343 | { | |
1344 | struct rtl8187_priv *priv = dev->priv; | |
1345 | u8 cw_min, cw_max; | |
1346 | ||
1347 | if (queue > 3) | |
1348 | return -EINVAL; | |
1349 | ||
1350 | cw_min = fls(params->cw_min); | |
1351 | cw_max = fls(params->cw_max); | |
1352 | ||
1353 | if (priv->is_rtl8187b) { | |
1354 | priv->aifsn[queue] = params->aifs; | |
1355 | ||
1356 | /* | |
1357 | * This is the structure of AC_*_PARAM registers in 8187B: | |
1358 | * - TXOP limit field, bit offset = 16 | |
1359 | * - ECWmax, bit offset = 12 | |
1360 | * - ECWmin, bit offset = 8 | |
1361 | * - AIFS, bit offset = 0 | |
1362 | */ | |
1363 | rtl818x_iowrite32(priv, rtl8187b_ac_addr[queue], | |
1364 | (params->txop << 16) | (cw_max << 12) | | |
1365 | (cw_min << 8) | (params->aifs * | |
1366 | priv->slot_time + SIFS_TIME)); | |
1367 | } else { | |
1368 | if (queue != 0) | |
1369 | return -EINVAL; | |
1370 | ||
1371 | rtl818x_iowrite8(priv, &priv->map->CW_VAL, | |
1372 | cw_min | (cw_max << 4)); | |
1373 | } | |
1374 | return 0; | |
1375 | } | |
1376 | ||
22e16e55 | 1377 | |
605bebe2 MW |
1378 | static const struct ieee80211_ops rtl8187_ops = { |
1379 | .tx = rtl8187_tx, | |
4150c572 | 1380 | .start = rtl8187_start, |
605bebe2 MW |
1381 | .stop = rtl8187_stop, |
1382 | .add_interface = rtl8187_add_interface, | |
1383 | .remove_interface = rtl8187_remove_interface, | |
1384 | .config = rtl8187_config, | |
64761077 | 1385 | .bss_info_changed = rtl8187_bss_info_changed, |
3ac64bee | 1386 | .prepare_multicast = rtl8187_prepare_multicast, |
4150c572 | 1387 | .configure_filter = rtl8187_configure_filter, |
ca9152e3 | 1388 | .conf_tx = rtl8187_conf_tx, |
22e16e55 LF |
1389 | .rfkill_poll = rtl8187_rfkill_poll, |
1390 | .get_tsf = rtl8187_get_tsf, | |
605bebe2 MW |
1391 | }; |
1392 | ||
1393 | static void rtl8187_eeprom_register_read(struct eeprom_93cx6 *eeprom) | |
1394 | { | |
1395 | struct ieee80211_hw *dev = eeprom->data; | |
1396 | struct rtl8187_priv *priv = dev->priv; | |
1397 | u8 reg = rtl818x_ioread8(priv, &priv->map->EEPROM_CMD); | |
1398 | ||
1399 | eeprom->reg_data_in = reg & RTL818X_EEPROM_CMD_WRITE; | |
1400 | eeprom->reg_data_out = reg & RTL818X_EEPROM_CMD_READ; | |
1401 | eeprom->reg_data_clock = reg & RTL818X_EEPROM_CMD_CK; | |
1402 | eeprom->reg_chip_select = reg & RTL818X_EEPROM_CMD_CS; | |
1403 | } | |
1404 | ||
1405 | static void rtl8187_eeprom_register_write(struct eeprom_93cx6 *eeprom) | |
1406 | { | |
1407 | struct ieee80211_hw *dev = eeprom->data; | |
1408 | struct rtl8187_priv *priv = dev->priv; | |
1409 | u8 reg = RTL818X_EEPROM_CMD_PROGRAM; | |
1410 | ||
1411 | if (eeprom->reg_data_in) | |
1412 | reg |= RTL818X_EEPROM_CMD_WRITE; | |
1413 | if (eeprom->reg_data_out) | |
1414 | reg |= RTL818X_EEPROM_CMD_READ; | |
1415 | if (eeprom->reg_data_clock) | |
1416 | reg |= RTL818X_EEPROM_CMD_CK; | |
1417 | if (eeprom->reg_chip_select) | |
1418 | reg |= RTL818X_EEPROM_CMD_CS; | |
1419 | ||
1420 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, reg); | |
1421 | udelay(10); | |
1422 | } | |
1423 | ||
fd549f13 | 1424 | static int rtl8187_probe(struct usb_interface *intf, |
605bebe2 MW |
1425 | const struct usb_device_id *id) |
1426 | { | |
1427 | struct usb_device *udev = interface_to_usbdev(intf); | |
1428 | struct ieee80211_hw *dev; | |
1429 | struct rtl8187_priv *priv; | |
1430 | struct eeprom_93cx6 eeprom; | |
1431 | struct ieee80211_channel *channel; | |
6f7853f3 | 1432 | const char *chip_name; |
605bebe2 | 1433 | u16 txpwr, reg; |
70d57139 | 1434 | u16 product_id = le16_to_cpu(udev->descriptor.idProduct); |
605bebe2 | 1435 | int err, i; |
f2c98382 | 1436 | u8 mac_addr[ETH_ALEN]; |
605bebe2 MW |
1437 | |
1438 | dev = ieee80211_alloc_hw(sizeof(*priv), &rtl8187_ops); | |
1439 | if (!dev) { | |
1440 | printk(KERN_ERR "rtl8187: ieee80211 alloc failed\n"); | |
1441 | return -ENOMEM; | |
1442 | } | |
1443 | ||
1444 | priv = dev->priv; | |
0e25b4ef | 1445 | priv->is_rtl8187b = (id->driver_info == DEVICE_RTL8187B); |
605bebe2 | 1446 | |
9be6f0d4 JL |
1447 | /* allocate "DMA aware" buffer for register accesses */ |
1448 | priv->io_dmabuf = kmalloc(sizeof(*priv->io_dmabuf), GFP_KERNEL); | |
1449 | if (!priv->io_dmabuf) { | |
1450 | err = -ENOMEM; | |
1451 | goto err_free_dev; | |
1452 | } | |
1453 | mutex_init(&priv->io_mutex); | |
7972326a | 1454 | mutex_init(&priv->conf_mutex); |
9be6f0d4 | 1455 | |
605bebe2 MW |
1456 | SET_IEEE80211_DEV(dev, &intf->dev); |
1457 | usb_set_intfdata(intf, dev); | |
1458 | priv->udev = udev; | |
1459 | ||
1460 | usb_get_dev(udev); | |
1461 | ||
1462 | skb_queue_head_init(&priv->rx_queue); | |
8318d78a JB |
1463 | |
1464 | BUILD_BUG_ON(sizeof(priv->channels) != sizeof(rtl818x_channels)); | |
1465 | BUILD_BUG_ON(sizeof(priv->rates) != sizeof(rtl818x_rates)); | |
1466 | ||
605bebe2 MW |
1467 | memcpy(priv->channels, rtl818x_channels, sizeof(rtl818x_channels)); |
1468 | memcpy(priv->rates, rtl818x_rates, sizeof(rtl818x_rates)); | |
1469 | priv->map = (struct rtl818x_csr *)0xFF00; | |
8318d78a | 1470 | |
57fbcce3 | 1471 | priv->band.band = NL80211_BAND_2GHZ; |
8318d78a JB |
1472 | priv->band.channels = priv->channels; |
1473 | priv->band.n_channels = ARRAY_SIZE(rtl818x_channels); | |
1474 | priv->band.bitrates = priv->rates; | |
1475 | priv->band.n_bitrates = ARRAY_SIZE(rtl818x_rates); | |
57fbcce3 | 1476 | dev->wiphy->bands[NL80211_BAND_2GHZ] = &priv->band; |
8318d78a JB |
1477 | |
1478 | ||
30686bf7 JB |
1479 | ieee80211_hw_set(dev, RX_INCLUDES_FCS); |
1480 | ieee80211_hw_set(dev, HOST_BROADCAST_PS_BUFFERING); | |
1481 | ieee80211_hw_set(dev, SIGNAL_DBM); | |
6410db59 LF |
1482 | /* Initialize rate-control variables */ |
1483 | dev->max_rates = 1; | |
1484 | dev->max_rate_tries = RETRY_COUNT; | |
605bebe2 | 1485 | |
605bebe2 MW |
1486 | eeprom.data = dev; |
1487 | eeprom.register_read = rtl8187_eeprom_register_read; | |
1488 | eeprom.register_write = rtl8187_eeprom_register_write; | |
1489 | if (rtl818x_ioread32(priv, &priv->map->RX_CONF) & (1 << 6)) | |
1490 | eeprom.width = PCI_EEPROM_WIDTH_93C66; | |
1491 | else | |
1492 | eeprom.width = PCI_EEPROM_WIDTH_93C46; | |
1493 | ||
1494 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_CONFIG); | |
1495 | udelay(10); | |
1496 | ||
1497 | eeprom_93cx6_multiread(&eeprom, RTL8187_EEPROM_MAC_ADDR, | |
f2c98382 JL |
1498 | (__le16 __force *)mac_addr, 3); |
1499 | if (!is_valid_ether_addr(mac_addr)) { | |
605bebe2 MW |
1500 | printk(KERN_WARNING "rtl8187: Invalid hwaddr! Using randomly " |
1501 | "generated MAC address\n"); | |
f4f7f414 | 1502 | eth_random_addr(mac_addr); |
605bebe2 | 1503 | } |
f2c98382 | 1504 | SET_IEEE80211_PERM_ADDR(dev, mac_addr); |
605bebe2 MW |
1505 | |
1506 | channel = priv->channels; | |
1507 | for (i = 0; i < 3; i++) { | |
1508 | eeprom_93cx6_read(&eeprom, RTL8187_EEPROM_TXPWR_CHAN_1 + i, | |
1509 | &txpwr); | |
8318d78a JB |
1510 | (*channel++).hw_value = txpwr & 0xFF; |
1511 | (*channel++).hw_value = txpwr >> 8; | |
605bebe2 MW |
1512 | } |
1513 | for (i = 0; i < 2; i++) { | |
1514 | eeprom_93cx6_read(&eeprom, RTL8187_EEPROM_TXPWR_CHAN_4 + i, | |
1515 | &txpwr); | |
8318d78a JB |
1516 | (*channel++).hw_value = txpwr & 0xFF; |
1517 | (*channel++).hw_value = txpwr >> 8; | |
605bebe2 | 1518 | } |
605bebe2 MW |
1519 | |
1520 | eeprom_93cx6_read(&eeprom, RTL8187_EEPROM_TXPWR_BASE, | |
1521 | &priv->txpwr_base); | |
1522 | ||
f6532111 MW |
1523 | reg = rtl818x_ioread8(priv, &priv->map->PGSELECT) & ~1; |
1524 | rtl818x_iowrite8(priv, &priv->map->PGSELECT, reg | 1); | |
605bebe2 MW |
1525 | /* 0 means asic B-cut, we should use SW 3 wire |
1526 | * bit-by-bit banging for radio. 1 means we can use | |
1527 | * USB specific request to write radio registers */ | |
1528 | priv->asic_rev = rtl818x_ioread8(priv, (u8 *)0xFFFE) & 0x3; | |
f6532111 | 1529 | rtl818x_iowrite8(priv, &priv->map->PGSELECT, reg); |
605bebe2 MW |
1530 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL); |
1531 | ||
6f7853f3 HTL |
1532 | if (!priv->is_rtl8187b) { |
1533 | u32 reg32; | |
1534 | reg32 = rtl818x_ioread32(priv, &priv->map->TX_CONF); | |
1535 | reg32 &= RTL818X_TX_CONF_HWVER_MASK; | |
1536 | switch (reg32) { | |
0e25b4ef LF |
1537 | case RTL818X_TX_CONF_R8187vD_B: |
1538 | /* Some RTL8187B devices have a USB ID of 0x8187 | |
1539 | * detect them here */ | |
1540 | chip_name = "RTL8187BvB(early)"; | |
1541 | priv->is_rtl8187b = 1; | |
1542 | priv->hw_rev = RTL8187BvB; | |
1543 | break; | |
1544 | case RTL818X_TX_CONF_R8187vD: | |
6f7853f3 HTL |
1545 | chip_name = "RTL8187vD"; |
1546 | break; | |
1547 | default: | |
1548 | chip_name = "RTL8187vB (default)"; | |
1549 | } | |
1550 | } else { | |
6f7853f3 HTL |
1551 | /* |
1552 | * Force USB request to write radio registers for 8187B, Realtek | |
1553 | * only uses it in their sources | |
1554 | */ | |
1555 | /*if (priv->asic_rev == 0) { | |
1556 | printk(KERN_WARNING "rtl8187: Forcing use of USB " | |
1557 | "requests to write to radio registers\n"); | |
1558 | priv->asic_rev = 1; | |
1559 | }*/ | |
1560 | switch (rtl818x_ioread8(priv, (u8 *)0xFFE1)) { | |
1561 | case RTL818X_R8187B_B: | |
1562 | chip_name = "RTL8187BvB"; | |
1563 | priv->hw_rev = RTL8187BvB; | |
1564 | break; | |
1565 | case RTL818X_R8187B_D: | |
1566 | chip_name = "RTL8187BvD"; | |
1567 | priv->hw_rev = RTL8187BvD; | |
1568 | break; | |
1569 | case RTL818X_R8187B_E: | |
1570 | chip_name = "RTL8187BvE"; | |
1571 | priv->hw_rev = RTL8187BvE; | |
1572 | break; | |
1573 | default: | |
1574 | chip_name = "RTL8187BvB (default)"; | |
1575 | priv->hw_rev = RTL8187BvB; | |
1576 | } | |
1577 | } | |
1578 | ||
0e25b4ef LF |
1579 | if (!priv->is_rtl8187b) { |
1580 | for (i = 0; i < 2; i++) { | |
1581 | eeprom_93cx6_read(&eeprom, | |
1582 | RTL8187_EEPROM_TXPWR_CHAN_6 + i, | |
1583 | &txpwr); | |
1584 | (*channel++).hw_value = txpwr & 0xFF; | |
1585 | (*channel++).hw_value = txpwr >> 8; | |
1586 | } | |
1587 | } else { | |
1588 | eeprom_93cx6_read(&eeprom, RTL8187_EEPROM_TXPWR_CHAN_6, | |
1589 | &txpwr); | |
1590 | (*channel++).hw_value = txpwr & 0xFF; | |
1591 | ||
1592 | eeprom_93cx6_read(&eeprom, 0x0A, &txpwr); | |
1593 | (*channel++).hw_value = txpwr & 0xFF; | |
1594 | ||
1595 | eeprom_93cx6_read(&eeprom, 0x1C, &txpwr); | |
1596 | (*channel++).hw_value = txpwr & 0xFF; | |
1597 | (*channel++).hw_value = txpwr >> 8; | |
1598 | } | |
70d57139 LF |
1599 | /* Handle the differing rfkill GPIO bit in different models */ |
1600 | priv->rfkill_mask = RFKILL_MASK_8187_89_97; | |
1601 | if (product_id == 0x8197 || product_id == 0x8198) { | |
1602 | eeprom_93cx6_read(&eeprom, RTL8187_EEPROM_SELECT_GPIO, ®); | |
1603 | if (reg & 0xFF00) | |
1604 | priv->rfkill_mask = RFKILL_MASK_8198; | |
1605 | } | |
41b58f18 AF |
1606 | dev->vif_data_size = sizeof(struct rtl8187_vif); |
1607 | dev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | | |
1608 | BIT(NL80211_IFTYPE_ADHOC) ; | |
f59ac048 | 1609 | |
ae44b502 AZ |
1610 | wiphy_ext_feature_set(dev->wiphy, NL80211_EXT_FEATURE_CQM_RSSI_LIST); |
1611 | ||
0e25b4ef LF |
1612 | if ((id->driver_info == DEVICE_RTL8187) && priv->is_rtl8187b) |
1613 | printk(KERN_INFO "rtl8187: inconsistency between id with OEM" | |
1614 | " info!\n"); | |
1615 | ||
f6532111 | 1616 | priv->rf = rtl8187_detect_rf(dev); |
0e25b4ef LF |
1617 | dev->extra_tx_headroom = (!priv->is_rtl8187b) ? |
1618 | sizeof(struct rtl8187_tx_hdr) : | |
1619 | sizeof(struct rtl8187b_tx_hdr); | |
1620 | if (!priv->is_rtl8187b) | |
1621 | dev->queues = 1; | |
1622 | else | |
1623 | dev->queues = 4; | |
605bebe2 MW |
1624 | |
1625 | err = ieee80211_register_hw(dev); | |
1626 | if (err) { | |
1627 | printk(KERN_ERR "rtl8187: Cannot register device\n"); | |
9be6f0d4 | 1628 | goto err_free_dmabuf; |
605bebe2 | 1629 | } |
3517afde | 1630 | skb_queue_head_init(&priv->b_tx_status.queue); |
605bebe2 | 1631 | |
5db55844 | 1632 | wiphy_info(dev->wiphy, "hwaddr %pM, %s V%d + %s, rfkill mask %d\n", |
c96c31e4 JP |
1633 | mac_addr, chip_name, priv->asic_rev, priv->rf->name, |
1634 | priv->rfkill_mask); | |
605bebe2 | 1635 | |
a027087a LF |
1636 | #ifdef CONFIG_RTL8187_LEDS |
1637 | eeprom_93cx6_read(&eeprom, 0x3F, ®); | |
1638 | reg &= 0xFF; | |
1639 | rtl8187_leds_init(dev, reg); | |
1640 | #endif | |
ca9152e3 | 1641 | rtl8187_rfkill_init(dev); |
a027087a | 1642 | |
605bebe2 MW |
1643 | return 0; |
1644 | ||
9be6f0d4 JL |
1645 | err_free_dmabuf: |
1646 | kfree(priv->io_dmabuf); | |
605bebe2 MW |
1647 | usb_set_intfdata(intf, NULL); |
1648 | usb_put_dev(udev); | |
a31267c3 AK |
1649 | err_free_dev: |
1650 | ieee80211_free_hw(dev); | |
605bebe2 MW |
1651 | return err; |
1652 | } | |
1653 | ||
fd549f13 | 1654 | static void rtl8187_disconnect(struct usb_interface *intf) |
605bebe2 MW |
1655 | { |
1656 | struct ieee80211_hw *dev = usb_get_intfdata(intf); | |
1657 | struct rtl8187_priv *priv; | |
1658 | ||
1659 | if (!dev) | |
1660 | return; | |
1661 | ||
a027087a LF |
1662 | #ifdef CONFIG_RTL8187_LEDS |
1663 | rtl8187_leds_exit(dev); | |
1664 | #endif | |
ca9152e3 | 1665 | rtl8187_rfkill_exit(dev); |
605bebe2 MW |
1666 | ieee80211_unregister_hw(dev); |
1667 | ||
1668 | priv = dev->priv; | |
d6e2be98 | 1669 | usb_reset_device(priv->udev); |
605bebe2 | 1670 | usb_put_dev(interface_to_usbdev(intf)); |
9be6f0d4 | 1671 | kfree(priv->io_dmabuf); |
605bebe2 MW |
1672 | ieee80211_free_hw(dev); |
1673 | } | |
1674 | ||
1675 | static struct usb_driver rtl8187_driver = { | |
1676 | .name = KBUILD_MODNAME, | |
1677 | .id_table = rtl8187_table, | |
1678 | .probe = rtl8187_probe, | |
fd549f13 | 1679 | .disconnect = rtl8187_disconnect, |
e1f12eb6 | 1680 | .disable_hub_initiated_lpm = 1, |
605bebe2 MW |
1681 | }; |
1682 | ||
d632eb1b | 1683 | module_usb_driver(rtl8187_driver); |