2 * Linux device driver for RTL8187
4 * Copyright 2007 Michael Wu <flamingice@sourmilk.net>
5 * Copyright 2007 Andrea Merello <andreamrl@tiscali.it>
7 * Based on the r8187 driver, which is:
8 * Copyright 2005 Andrea Merello <andreamrl@tiscali.it>, et al.
10 * Magic delays and register offsets below are taken from the original
11 * r8187 driver sources. Thanks to Realtek for their support!
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License version 2 as
15 * published by the Free Software Foundation.
18 #include <linux/init.h>
19 #include <linux/usb.h>
20 #include <linux/delay.h>
21 #include <linux/etherdevice.h>
22 #include <linux/eeprom_93cx6.h>
23 #include <net/mac80211.h>
26 #include "rtl8187_rtl8225.h"
28 MODULE_AUTHOR("Michael Wu <flamingice@sourmilk.net>");
29 MODULE_AUTHOR("Andrea Merello <andreamrl@tiscali.it>");
30 MODULE_DESCRIPTION("RTL8187 USB wireless driver");
31 MODULE_LICENSE("GPL");
33 static struct usb_device_id rtl8187_table
[] __devinitdata
= {
35 {USB_DEVICE(0x0bda, 0x8187)},
37 {USB_DEVICE(0x0846, 0x6100)},
38 {USB_DEVICE(0x0846, 0x6a00)},
40 {USB_DEVICE(0x03f0, 0xca02)},
42 {USB_DEVICE(0x0df6, 0x000d)},
46 MODULE_DEVICE_TABLE(usb
, rtl8187_table
);
48 static const struct ieee80211_rate rtl818x_rates
[] = {
49 { .bitrate
= 10, .hw_value
= 0, },
50 { .bitrate
= 20, .hw_value
= 1, },
51 { .bitrate
= 55, .hw_value
= 2, },
52 { .bitrate
= 110, .hw_value
= 3, },
53 { .bitrate
= 60, .hw_value
= 4, },
54 { .bitrate
= 90, .hw_value
= 5, },
55 { .bitrate
= 120, .hw_value
= 6, },
56 { .bitrate
= 180, .hw_value
= 7, },
57 { .bitrate
= 240, .hw_value
= 8, },
58 { .bitrate
= 360, .hw_value
= 9, },
59 { .bitrate
= 480, .hw_value
= 10, },
60 { .bitrate
= 540, .hw_value
= 11, },
63 static const struct ieee80211_channel rtl818x_channels
[] = {
64 { .center_freq
= 2412 },
65 { .center_freq
= 2417 },
66 { .center_freq
= 2422 },
67 { .center_freq
= 2427 },
68 { .center_freq
= 2432 },
69 { .center_freq
= 2437 },
70 { .center_freq
= 2442 },
71 { .center_freq
= 2447 },
72 { .center_freq
= 2452 },
73 { .center_freq
= 2457 },
74 { .center_freq
= 2462 },
75 { .center_freq
= 2467 },
76 { .center_freq
= 2472 },
77 { .center_freq
= 2484 },
80 static void rtl8187_iowrite_async_cb(struct urb
*urb
)
86 static void rtl8187_iowrite_async(struct rtl8187_priv
*priv
, __le16 addr
,
89 struct usb_ctrlrequest
*dr
;
91 struct rtl8187_async_write_data
{
93 struct usb_ctrlrequest dr
;
96 buf
= kmalloc(sizeof(*buf
), GFP_ATOMIC
);
100 urb
= usb_alloc_urb(0, GFP_ATOMIC
);
108 dr
->bRequestType
= RTL8187_REQT_WRITE
;
109 dr
->bRequest
= RTL8187_REQ_SET_REG
;
112 dr
->wLength
= cpu_to_le16(len
);
114 memcpy(buf
, data
, len
);
116 usb_fill_control_urb(urb
, priv
->udev
, usb_sndctrlpipe(priv
->udev
, 0),
117 (unsigned char *)dr
, buf
, len
,
118 rtl8187_iowrite_async_cb
, buf
);
119 usb_submit_urb(urb
, GFP_ATOMIC
);
122 static inline void rtl818x_iowrite32_async(struct rtl8187_priv
*priv
,
123 __le32
*addr
, u32 val
)
125 __le32 buf
= cpu_to_le32(val
);
127 rtl8187_iowrite_async(priv
, cpu_to_le16((unsigned long)addr
),
131 void rtl8187_write_phy(struct ieee80211_hw
*dev
, u8 addr
, u32 data
)
133 struct rtl8187_priv
*priv
= dev
->priv
;
138 rtl818x_iowrite8(priv
, &priv
->map
->PHY
[3], (data
>> 24) & 0xFF);
139 rtl818x_iowrite8(priv
, &priv
->map
->PHY
[2], (data
>> 16) & 0xFF);
140 rtl818x_iowrite8(priv
, &priv
->map
->PHY
[1], (data
>> 8) & 0xFF);
141 rtl818x_iowrite8(priv
, &priv
->map
->PHY
[0], data
& 0xFF);
146 static void rtl8187_tx_cb(struct urb
*urb
)
148 struct sk_buff
*skb
= (struct sk_buff
*)urb
->context
;
149 struct ieee80211_tx_info
*info
= IEEE80211_SKB_CB(skb
);
150 struct ieee80211_hw
*hw
= info
->driver_data
[0];
152 usb_free_urb(info
->driver_data
[1]);
153 skb_pull(skb
, sizeof(struct rtl8187_tx_hdr
));
154 memset(&info
->status
, 0, sizeof(info
->status
));
155 info
->flags
|= IEEE80211_TX_STAT_ACK
;
156 ieee80211_tx_status_irqsafe(hw
, skb
);
159 static int rtl8187_tx(struct ieee80211_hw
*dev
, struct sk_buff
*skb
)
161 struct rtl8187_priv
*priv
= dev
->priv
;
162 struct ieee80211_tx_info
*info
= IEEE80211_SKB_CB(skb
);
163 struct rtl8187_tx_hdr
*hdr
;
168 urb
= usb_alloc_urb(0, GFP_ATOMIC
);
175 flags
|= RTL8187_TX_FLAG_NO_ENCRYPT
;
177 flags
|= ieee80211_get_tx_rate(dev
, info
)->hw_value
<< 24;
178 if (ieee80211_get_morefrag((struct ieee80211_hdr
*)skb
->data
))
179 flags
|= RTL8187_TX_FLAG_MORE_FRAG
;
180 if (info
->flags
& IEEE80211_TX_CTL_USE_RTS_CTS
) {
181 flags
|= RTL8187_TX_FLAG_RTS
;
182 flags
|= ieee80211_get_rts_cts_rate(dev
, info
)->hw_value
<< 19;
183 rts_dur
= ieee80211_rts_duration(dev
, priv
->vif
,
185 } else if (info
->flags
& IEEE80211_TX_CTL_USE_CTS_PROTECT
) {
186 flags
|= RTL8187_TX_FLAG_CTS
;
187 flags
|= ieee80211_get_rts_cts_rate(dev
, info
)->hw_value
<< 19;
190 hdr
= (struct rtl8187_tx_hdr
*)skb_push(skb
, sizeof(*hdr
));
191 hdr
->flags
= cpu_to_le32(flags
);
193 hdr
->rts_duration
= rts_dur
;
194 hdr
->retry
= cpu_to_le32(info
->control
.retry_limit
<< 8);
196 info
->driver_data
[0] = dev
;
197 info
->driver_data
[1] = urb
;
198 usb_fill_bulk_urb(urb
, priv
->udev
, usb_sndbulkpipe(priv
->udev
, 2),
199 hdr
, skb
->len
, rtl8187_tx_cb
, skb
);
200 usb_submit_urb(urb
, GFP_ATOMIC
);
205 static void rtl8187_rx_cb(struct urb
*urb
)
207 struct sk_buff
*skb
= (struct sk_buff
*)urb
->context
;
208 struct rtl8187_rx_info
*info
= (struct rtl8187_rx_info
*)skb
->cb
;
209 struct ieee80211_hw
*dev
= info
->dev
;
210 struct rtl8187_priv
*priv
= dev
->priv
;
211 struct rtl8187_rx_hdr
*hdr
;
212 struct ieee80211_rx_status rx_status
= { 0 };
216 spin_lock(&priv
->rx_queue
.lock
);
218 __skb_unlink(skb
, &priv
->rx_queue
);
220 spin_unlock(&priv
->rx_queue
.lock
);
223 spin_unlock(&priv
->rx_queue
.lock
);
225 if (unlikely(urb
->status
)) {
227 dev_kfree_skb_irq(skb
);
231 skb_put(skb
, urb
->actual_length
);
232 hdr
= (struct rtl8187_rx_hdr
*)(skb_tail_pointer(skb
) - sizeof(*hdr
));
233 flags
= le32_to_cpu(hdr
->flags
);
234 skb_trim(skb
, flags
& 0x0FFF);
236 signal
= hdr
->agc
>> 1;
237 rate
= (flags
>> 20) & 0xF;
238 if (rate
> 3) { /* OFDM rate */
241 else if (signal
< 25)
243 signal
= 90 - signal
;
244 } else { /* CCK rate */
247 else if (signal
< 30)
249 signal
= 95 - signal
;
252 rx_status
.antenna
= (hdr
->signal
>> 7) & 1;
253 rx_status
.qual
= 64 - min(hdr
->noise
, (u8
)64);
254 rx_status
.signal
= signal
;
255 rx_status
.rate_idx
= rate
;
256 rx_status
.freq
= dev
->conf
.channel
->center_freq
;
257 rx_status
.band
= dev
->conf
.channel
->band
;
258 rx_status
.mactime
= le64_to_cpu(hdr
->mac_time
);
259 rx_status
.flag
|= RX_FLAG_TSFT
;
260 if (flags
& (1 << 13))
261 rx_status
.flag
|= RX_FLAG_FAILED_FCS_CRC
;
262 ieee80211_rx_irqsafe(dev
, skb
, &rx_status
);
264 skb
= dev_alloc_skb(RTL8187_MAX_RX
);
265 if (unlikely(!skb
)) {
267 /* TODO check rx queue length and refill *somewhere* */
271 info
= (struct rtl8187_rx_info
*)skb
->cb
;
274 urb
->transfer_buffer
= skb_tail_pointer(skb
);
276 skb_queue_tail(&priv
->rx_queue
, skb
);
278 usb_submit_urb(urb
, GFP_ATOMIC
);
281 static int rtl8187_init_urbs(struct ieee80211_hw
*dev
)
283 struct rtl8187_priv
*priv
= dev
->priv
;
286 struct rtl8187_rx_info
*info
;
288 while (skb_queue_len(&priv
->rx_queue
) < 8) {
289 skb
= __dev_alloc_skb(RTL8187_MAX_RX
, GFP_KERNEL
);
292 entry
= usb_alloc_urb(0, GFP_KERNEL
);
297 usb_fill_bulk_urb(entry
, priv
->udev
,
298 usb_rcvbulkpipe(priv
->udev
, 1),
299 skb_tail_pointer(skb
),
300 RTL8187_MAX_RX
, rtl8187_rx_cb
, skb
);
301 info
= (struct rtl8187_rx_info
*)skb
->cb
;
304 skb_queue_tail(&priv
->rx_queue
, skb
);
305 usb_submit_urb(entry
, GFP_KERNEL
);
311 static int rtl8187_init_hw(struct ieee80211_hw
*dev
)
313 struct rtl8187_priv
*priv
= dev
->priv
;
318 rtl818x_iowrite8(priv
, &priv
->map
->EEPROM_CMD
, RTL818X_EEPROM_CMD_CONFIG
);
319 reg
= rtl818x_ioread8(priv
, &priv
->map
->CONFIG3
);
320 rtl818x_iowrite8(priv
, &priv
->map
->CONFIG3
, reg
| RTL818X_CONFIG3_ANAPARAM_WRITE
);
321 rtl818x_iowrite32(priv
, &priv
->map
->ANAPARAM
, RTL8225_ANAPARAM_ON
);
322 rtl818x_iowrite32(priv
, &priv
->map
->ANAPARAM2
, RTL8225_ANAPARAM2_ON
);
323 rtl818x_iowrite8(priv
, &priv
->map
->CONFIG3
, reg
& ~RTL818X_CONFIG3_ANAPARAM_WRITE
);
324 rtl818x_iowrite8(priv
, &priv
->map
->EEPROM_CMD
, RTL818X_EEPROM_CMD_NORMAL
);
326 rtl818x_iowrite16(priv
, &priv
->map
->INT_MASK
, 0);
329 rtl818x_iowrite8(priv
, (u8
*)0xFE18, 0x10);
330 rtl818x_iowrite8(priv
, (u8
*)0xFE18, 0x11);
331 rtl818x_iowrite8(priv
, (u8
*)0xFE18, 0x00);
334 reg
= rtl818x_ioread8(priv
, &priv
->map
->CMD
);
336 reg
|= RTL818X_CMD_RESET
;
337 rtl818x_iowrite8(priv
, &priv
->map
->CMD
, reg
);
342 if (!(rtl818x_ioread8(priv
, &priv
->map
->CMD
) &
348 printk(KERN_ERR
"%s: Reset timeout!\n", wiphy_name(dev
->wiphy
));
352 /* reload registers from eeprom */
353 rtl818x_iowrite8(priv
, &priv
->map
->EEPROM_CMD
, RTL818X_EEPROM_CMD_LOAD
);
358 if (!(rtl818x_ioread8(priv
, &priv
->map
->EEPROM_CMD
) &
359 RTL818X_EEPROM_CMD_CONFIG
))
364 printk(KERN_ERR
"%s: eeprom reset timeout!\n",
365 wiphy_name(dev
->wiphy
));
369 rtl818x_iowrite8(priv
, &priv
->map
->EEPROM_CMD
, RTL818X_EEPROM_CMD_CONFIG
);
370 reg
= rtl818x_ioread8(priv
, &priv
->map
->CONFIG3
);
371 rtl818x_iowrite8(priv
, &priv
->map
->CONFIG3
, reg
| RTL818X_CONFIG3_ANAPARAM_WRITE
);
372 rtl818x_iowrite32(priv
, &priv
->map
->ANAPARAM
, RTL8225_ANAPARAM_ON
);
373 rtl818x_iowrite32(priv
, &priv
->map
->ANAPARAM2
, RTL8225_ANAPARAM2_ON
);
374 rtl818x_iowrite8(priv
, &priv
->map
->CONFIG3
, reg
& ~RTL818X_CONFIG3_ANAPARAM_WRITE
);
375 rtl818x_iowrite8(priv
, &priv
->map
->EEPROM_CMD
, RTL818X_EEPROM_CMD_NORMAL
);
378 rtl818x_iowrite16(priv
, &priv
->map
->RFPinsSelect
, 0);
379 rtl818x_iowrite8(priv
, &priv
->map
->GPIO
, 0);
381 rtl818x_iowrite16(priv
, &priv
->map
->RFPinsSelect
, (4 << 8));
382 rtl818x_iowrite8(priv
, &priv
->map
->GPIO
, 1);
383 rtl818x_iowrite8(priv
, &priv
->map
->GP_ENABLE
, 0);
385 rtl818x_iowrite8(priv
, &priv
->map
->EEPROM_CMD
, RTL818X_EEPROM_CMD_CONFIG
);
387 rtl818x_iowrite16(priv
, (__le16
*)0xFFF4, 0xFFFF);
388 reg
= rtl818x_ioread8(priv
, &priv
->map
->CONFIG1
);
391 rtl818x_iowrite8(priv
, &priv
->map
->CONFIG1
, reg
);
393 rtl818x_iowrite8(priv
, &priv
->map
->EEPROM_CMD
, RTL818X_EEPROM_CMD_NORMAL
);
395 rtl818x_iowrite32(priv
, &priv
->map
->INT_TIMEOUT
, 0);
396 rtl818x_iowrite8(priv
, &priv
->map
->WPA_CONF
, 0);
397 rtl818x_iowrite8(priv
, &priv
->map
->RATE_FALLBACK
, 0x81);
399 // TODO: set RESP_RATE and BRSR properly
400 rtl818x_iowrite8(priv
, &priv
->map
->RESP_RATE
, (8 << 4) | 0);
401 rtl818x_iowrite16(priv
, &priv
->map
->BRSR
, 0x01F3);
404 rtl818x_iowrite16(priv
, &priv
->map
->RFPinsSelect
, 0);
405 rtl818x_iowrite8(priv
, &priv
->map
->GPIO
, 0);
406 reg
= rtl818x_ioread8(priv
, (u8
*)0xFE53);
407 rtl818x_iowrite8(priv
, (u8
*)0xFE53, reg
| (1 << 7));
408 rtl818x_iowrite16(priv
, &priv
->map
->RFPinsSelect
, (4 << 8));
409 rtl818x_iowrite8(priv
, &priv
->map
->GPIO
, 0x20);
410 rtl818x_iowrite8(priv
, &priv
->map
->GP_ENABLE
, 0);
411 rtl818x_iowrite16(priv
, &priv
->map
->RFPinsOutput
, 0x80);
412 rtl818x_iowrite16(priv
, &priv
->map
->RFPinsSelect
, 0x80);
413 rtl818x_iowrite16(priv
, &priv
->map
->RFPinsEnable
, 0x80);
416 rtl818x_iowrite32(priv
, &priv
->map
->RF_TIMING
, 0x000a8008);
417 rtl818x_iowrite16(priv
, &priv
->map
->BRSR
, 0xFFFF);
418 rtl818x_iowrite32(priv
, &priv
->map
->RF_PARA
, 0x00100044);
419 rtl818x_iowrite8(priv
, &priv
->map
->EEPROM_CMD
, RTL818X_EEPROM_CMD_CONFIG
);
420 rtl818x_iowrite8(priv
, &priv
->map
->CONFIG3
, 0x44);
421 rtl818x_iowrite8(priv
, &priv
->map
->EEPROM_CMD
, RTL818X_EEPROM_CMD_NORMAL
);
422 rtl818x_iowrite16(priv
, &priv
->map
->RFPinsEnable
, 0x1FF7);
427 rtl818x_iowrite16(priv
, &priv
->map
->BRSR
, 0x01F3);
428 reg
= rtl818x_ioread8(priv
, &priv
->map
->PGSELECT
) & ~1;
429 rtl818x_iowrite8(priv
, &priv
->map
->PGSELECT
, reg
| 1);
430 rtl818x_iowrite16(priv
, (__le16
*)0xFFFE, 0x10);
431 rtl818x_iowrite8(priv
, &priv
->map
->TALLY_SEL
, 0x80);
432 rtl818x_iowrite8(priv
, (u8
*)0xFFFF, 0x60);
433 rtl818x_iowrite8(priv
, &priv
->map
->PGSELECT
, reg
);
438 static int rtl8187_start(struct ieee80211_hw
*dev
)
440 struct rtl8187_priv
*priv
= dev
->priv
;
444 ret
= rtl8187_init_hw(dev
);
448 rtl818x_iowrite16(priv
, &priv
->map
->INT_MASK
, 0xFFFF);
450 rtl818x_iowrite32(priv
, &priv
->map
->MAR
[0], ~0);
451 rtl818x_iowrite32(priv
, &priv
->map
->MAR
[1], ~0);
453 rtl8187_init_urbs(dev
);
455 reg
= RTL818X_RX_CONF_ONLYERLPKT
|
456 RTL818X_RX_CONF_RX_AUTORESETPHY
|
457 RTL818X_RX_CONF_BSSID
|
458 RTL818X_RX_CONF_MGMT
|
459 RTL818X_RX_CONF_DATA
|
460 (7 << 13 /* RX FIFO threshold NONE */) |
461 (7 << 10 /* MAX RX DMA */) |
462 RTL818X_RX_CONF_BROADCAST
|
463 RTL818X_RX_CONF_NICMAC
;
466 rtl818x_iowrite32(priv
, &priv
->map
->RX_CONF
, reg
);
468 reg
= rtl818x_ioread8(priv
, &priv
->map
->CW_CONF
);
469 reg
&= ~RTL818X_CW_CONF_PERPACKET_CW_SHIFT
;
470 reg
|= RTL818X_CW_CONF_PERPACKET_RETRY_SHIFT
;
471 rtl818x_iowrite8(priv
, &priv
->map
->CW_CONF
, reg
);
473 reg
= rtl818x_ioread8(priv
, &priv
->map
->TX_AGC_CTL
);
474 reg
&= ~RTL818X_TX_AGC_CTL_PERPACKET_GAIN_SHIFT
;
475 reg
&= ~RTL818X_TX_AGC_CTL_PERPACKET_ANTSEL_SHIFT
;
476 reg
&= ~RTL818X_TX_AGC_CTL_FEEDBACK_ANT
;
477 rtl818x_iowrite8(priv
, &priv
->map
->TX_AGC_CTL
, reg
);
479 reg
= RTL818X_TX_CONF_CW_MIN
|
480 (7 << 21 /* MAX TX DMA */) |
481 RTL818X_TX_CONF_NO_ICV
;
482 rtl818x_iowrite32(priv
, &priv
->map
->TX_CONF
, reg
);
484 reg
= rtl818x_ioread8(priv
, &priv
->map
->CMD
);
485 reg
|= RTL818X_CMD_TX_ENABLE
;
486 reg
|= RTL818X_CMD_RX_ENABLE
;
487 rtl818x_iowrite8(priv
, &priv
->map
->CMD
, reg
);
492 static void rtl8187_stop(struct ieee80211_hw
*dev
)
494 struct rtl8187_priv
*priv
= dev
->priv
;
495 struct rtl8187_rx_info
*info
;
499 rtl818x_iowrite16(priv
, &priv
->map
->INT_MASK
, 0);
501 reg
= rtl818x_ioread8(priv
, &priv
->map
->CMD
);
502 reg
&= ~RTL818X_CMD_TX_ENABLE
;
503 reg
&= ~RTL818X_CMD_RX_ENABLE
;
504 rtl818x_iowrite8(priv
, &priv
->map
->CMD
, reg
);
508 rtl818x_iowrite8(priv
, &priv
->map
->EEPROM_CMD
, RTL818X_EEPROM_CMD_CONFIG
);
509 reg
= rtl818x_ioread8(priv
, &priv
->map
->CONFIG4
);
510 rtl818x_iowrite8(priv
, &priv
->map
->CONFIG4
, reg
| RTL818X_CONFIG4_VCOOFF
);
511 rtl818x_iowrite8(priv
, &priv
->map
->EEPROM_CMD
, RTL818X_EEPROM_CMD_NORMAL
);
513 while ((skb
= skb_dequeue(&priv
->rx_queue
))) {
514 info
= (struct rtl8187_rx_info
*)skb
->cb
;
515 usb_kill_urb(info
->urb
);
521 static int rtl8187_add_interface(struct ieee80211_hw
*dev
,
522 struct ieee80211_if_init_conf
*conf
)
524 struct rtl8187_priv
*priv
= dev
->priv
;
527 if (priv
->mode
!= IEEE80211_IF_TYPE_MNTR
)
530 switch (conf
->type
) {
531 case IEEE80211_IF_TYPE_STA
:
532 priv
->mode
= conf
->type
;
538 priv
->vif
= conf
->vif
;
540 rtl818x_iowrite8(priv
, &priv
->map
->EEPROM_CMD
, RTL818X_EEPROM_CMD_CONFIG
);
541 for (i
= 0; i
< ETH_ALEN
; i
++)
542 rtl818x_iowrite8(priv
, &priv
->map
->MAC
[i
],
543 ((u8
*)conf
->mac_addr
)[i
]);
544 rtl818x_iowrite8(priv
, &priv
->map
->EEPROM_CMD
, RTL818X_EEPROM_CMD_NORMAL
);
549 static void rtl8187_remove_interface(struct ieee80211_hw
*dev
,
550 struct ieee80211_if_init_conf
*conf
)
552 struct rtl8187_priv
*priv
= dev
->priv
;
553 priv
->mode
= IEEE80211_IF_TYPE_MNTR
;
557 static int rtl8187_config(struct ieee80211_hw
*dev
, struct ieee80211_conf
*conf
)
559 struct rtl8187_priv
*priv
= dev
->priv
;
562 reg
= rtl818x_ioread32(priv
, &priv
->map
->TX_CONF
);
563 /* Enable TX loopback on MAC level to avoid TX during channel
564 * changes, as this has be seen to causes problems and the
565 * card will stop work until next reset
567 rtl818x_iowrite32(priv
, &priv
->map
->TX_CONF
,
568 reg
| RTL818X_TX_CONF_LOOPBACK_MAC
);
570 priv
->rf
->set_chan(dev
, conf
);
572 rtl818x_iowrite32(priv
, &priv
->map
->TX_CONF
, reg
);
574 rtl818x_iowrite8(priv
, &priv
->map
->SIFS
, 0x22);
576 if (conf
->flags
& IEEE80211_CONF_SHORT_SLOT_TIME
) {
577 rtl818x_iowrite8(priv
, &priv
->map
->SLOT
, 0x9);
578 rtl818x_iowrite8(priv
, &priv
->map
->DIFS
, 0x14);
579 rtl818x_iowrite8(priv
, &priv
->map
->EIFS
, 91 - 0x14);
580 rtl818x_iowrite8(priv
, &priv
->map
->CW_VAL
, 0x73);
582 rtl818x_iowrite8(priv
, &priv
->map
->SLOT
, 0x14);
583 rtl818x_iowrite8(priv
, &priv
->map
->DIFS
, 0x24);
584 rtl818x_iowrite8(priv
, &priv
->map
->EIFS
, 91 - 0x24);
585 rtl818x_iowrite8(priv
, &priv
->map
->CW_VAL
, 0xa5);
588 rtl818x_iowrite16(priv
, &priv
->map
->ATIM_WND
, 2);
589 rtl818x_iowrite16(priv
, &priv
->map
->ATIMTR_INTERVAL
, 100);
590 rtl818x_iowrite16(priv
, &priv
->map
->BEACON_INTERVAL
, 100);
591 rtl818x_iowrite16(priv
, &priv
->map
->BEACON_INTERVAL_TIME
, 100);
595 static int rtl8187_config_interface(struct ieee80211_hw
*dev
,
596 struct ieee80211_vif
*vif
,
597 struct ieee80211_if_conf
*conf
)
599 struct rtl8187_priv
*priv
= dev
->priv
;
602 for (i
= 0; i
< ETH_ALEN
; i
++)
603 rtl818x_iowrite8(priv
, &priv
->map
->BSSID
[i
], conf
->bssid
[i
]);
605 if (is_valid_ether_addr(conf
->bssid
))
606 rtl818x_iowrite8(priv
, &priv
->map
->MSR
, RTL818X_MSR_INFRA
);
608 rtl818x_iowrite8(priv
, &priv
->map
->MSR
, RTL818X_MSR_NO_LINK
);
613 static void rtl8187_configure_filter(struct ieee80211_hw
*dev
,
614 unsigned int changed_flags
,
615 unsigned int *total_flags
,
616 int mc_count
, struct dev_addr_list
*mclist
)
618 struct rtl8187_priv
*priv
= dev
->priv
;
620 if (changed_flags
& FIF_FCSFAIL
)
621 priv
->rx_conf
^= RTL818X_RX_CONF_FCS
;
622 if (changed_flags
& FIF_CONTROL
)
623 priv
->rx_conf
^= RTL818X_RX_CONF_CTRL
;
624 if (changed_flags
& FIF_OTHER_BSS
)
625 priv
->rx_conf
^= RTL818X_RX_CONF_MONITOR
;
626 if (*total_flags
& FIF_ALLMULTI
|| mc_count
> 0)
627 priv
->rx_conf
|= RTL818X_RX_CONF_MULTICAST
;
629 priv
->rx_conf
&= ~RTL818X_RX_CONF_MULTICAST
;
633 if (priv
->rx_conf
& RTL818X_RX_CONF_FCS
)
634 *total_flags
|= FIF_FCSFAIL
;
635 if (priv
->rx_conf
& RTL818X_RX_CONF_CTRL
)
636 *total_flags
|= FIF_CONTROL
;
637 if (priv
->rx_conf
& RTL818X_RX_CONF_MONITOR
)
638 *total_flags
|= FIF_OTHER_BSS
;
639 if (priv
->rx_conf
& RTL818X_RX_CONF_MULTICAST
)
640 *total_flags
|= FIF_ALLMULTI
;
642 rtl818x_iowrite32_async(priv
, &priv
->map
->RX_CONF
, priv
->rx_conf
);
645 static const struct ieee80211_ops rtl8187_ops
= {
647 .start
= rtl8187_start
,
648 .stop
= rtl8187_stop
,
649 .add_interface
= rtl8187_add_interface
,
650 .remove_interface
= rtl8187_remove_interface
,
651 .config
= rtl8187_config
,
652 .config_interface
= rtl8187_config_interface
,
653 .configure_filter
= rtl8187_configure_filter
,
656 static void rtl8187_eeprom_register_read(struct eeprom_93cx6
*eeprom
)
658 struct ieee80211_hw
*dev
= eeprom
->data
;
659 struct rtl8187_priv
*priv
= dev
->priv
;
660 u8 reg
= rtl818x_ioread8(priv
, &priv
->map
->EEPROM_CMD
);
662 eeprom
->reg_data_in
= reg
& RTL818X_EEPROM_CMD_WRITE
;
663 eeprom
->reg_data_out
= reg
& RTL818X_EEPROM_CMD_READ
;
664 eeprom
->reg_data_clock
= reg
& RTL818X_EEPROM_CMD_CK
;
665 eeprom
->reg_chip_select
= reg
& RTL818X_EEPROM_CMD_CS
;
668 static void rtl8187_eeprom_register_write(struct eeprom_93cx6
*eeprom
)
670 struct ieee80211_hw
*dev
= eeprom
->data
;
671 struct rtl8187_priv
*priv
= dev
->priv
;
672 u8 reg
= RTL818X_EEPROM_CMD_PROGRAM
;
674 if (eeprom
->reg_data_in
)
675 reg
|= RTL818X_EEPROM_CMD_WRITE
;
676 if (eeprom
->reg_data_out
)
677 reg
|= RTL818X_EEPROM_CMD_READ
;
678 if (eeprom
->reg_data_clock
)
679 reg
|= RTL818X_EEPROM_CMD_CK
;
680 if (eeprom
->reg_chip_select
)
681 reg
|= RTL818X_EEPROM_CMD_CS
;
683 rtl818x_iowrite8(priv
, &priv
->map
->EEPROM_CMD
, reg
);
687 static int __devinit
rtl8187_probe(struct usb_interface
*intf
,
688 const struct usb_device_id
*id
)
690 struct usb_device
*udev
= interface_to_usbdev(intf
);
691 struct ieee80211_hw
*dev
;
692 struct rtl8187_priv
*priv
;
693 struct eeprom_93cx6 eeprom
;
694 struct ieee80211_channel
*channel
;
697 DECLARE_MAC_BUF(mac
);
699 dev
= ieee80211_alloc_hw(sizeof(*priv
), &rtl8187_ops
);
701 printk(KERN_ERR
"rtl8187: ieee80211 alloc failed\n");
707 SET_IEEE80211_DEV(dev
, &intf
->dev
);
708 usb_set_intfdata(intf
, dev
);
713 skb_queue_head_init(&priv
->rx_queue
);
715 BUILD_BUG_ON(sizeof(priv
->channels
) != sizeof(rtl818x_channels
));
716 BUILD_BUG_ON(sizeof(priv
->rates
) != sizeof(rtl818x_rates
));
718 memcpy(priv
->channels
, rtl818x_channels
, sizeof(rtl818x_channels
));
719 memcpy(priv
->rates
, rtl818x_rates
, sizeof(rtl818x_rates
));
720 priv
->map
= (struct rtl818x_csr
*)0xFF00;
722 priv
->band
.band
= IEEE80211_BAND_2GHZ
;
723 priv
->band
.channels
= priv
->channels
;
724 priv
->band
.n_channels
= ARRAY_SIZE(rtl818x_channels
);
725 priv
->band
.bitrates
= priv
->rates
;
726 priv
->band
.n_bitrates
= ARRAY_SIZE(rtl818x_rates
);
727 dev
->wiphy
->bands
[IEEE80211_BAND_2GHZ
] = &priv
->band
;
730 priv
->mode
= IEEE80211_IF_TYPE_MNTR
;
731 dev
->flags
= IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING
|
732 IEEE80211_HW_RX_INCLUDES_FCS
|
733 IEEE80211_HW_SIGNAL_UNSPEC
;
734 dev
->extra_tx_headroom
= sizeof(struct rtl8187_tx_hdr
);
736 dev
->max_signal
= 65;
739 eeprom
.register_read
= rtl8187_eeprom_register_read
;
740 eeprom
.register_write
= rtl8187_eeprom_register_write
;
741 if (rtl818x_ioread32(priv
, &priv
->map
->RX_CONF
) & (1 << 6))
742 eeprom
.width
= PCI_EEPROM_WIDTH_93C66
;
744 eeprom
.width
= PCI_EEPROM_WIDTH_93C46
;
746 rtl818x_iowrite8(priv
, &priv
->map
->EEPROM_CMD
, RTL818X_EEPROM_CMD_CONFIG
);
749 eeprom_93cx6_multiread(&eeprom
, RTL8187_EEPROM_MAC_ADDR
,
750 (__le16 __force
*)dev
->wiphy
->perm_addr
, 3);
751 if (!is_valid_ether_addr(dev
->wiphy
->perm_addr
)) {
752 printk(KERN_WARNING
"rtl8187: Invalid hwaddr! Using randomly "
753 "generated MAC address\n");
754 random_ether_addr(dev
->wiphy
->perm_addr
);
757 channel
= priv
->channels
;
758 for (i
= 0; i
< 3; i
++) {
759 eeprom_93cx6_read(&eeprom
, RTL8187_EEPROM_TXPWR_CHAN_1
+ i
,
761 (*channel
++).hw_value
= txpwr
& 0xFF;
762 (*channel
++).hw_value
= txpwr
>> 8;
764 for (i
= 0; i
< 2; i
++) {
765 eeprom_93cx6_read(&eeprom
, RTL8187_EEPROM_TXPWR_CHAN_4
+ i
,
767 (*channel
++).hw_value
= txpwr
& 0xFF;
768 (*channel
++).hw_value
= txpwr
>> 8;
770 for (i
= 0; i
< 2; i
++) {
771 eeprom_93cx6_read(&eeprom
, RTL8187_EEPROM_TXPWR_CHAN_6
+ i
,
773 (*channel
++).hw_value
= txpwr
& 0xFF;
774 (*channel
++).hw_value
= txpwr
>> 8;
777 eeprom_93cx6_read(&eeprom
, RTL8187_EEPROM_TXPWR_BASE
,
780 reg
= rtl818x_ioread8(priv
, &priv
->map
->PGSELECT
) & ~1;
781 rtl818x_iowrite8(priv
, &priv
->map
->PGSELECT
, reg
| 1);
782 /* 0 means asic B-cut, we should use SW 3 wire
783 * bit-by-bit banging for radio. 1 means we can use
784 * USB specific request to write radio registers */
785 priv
->asic_rev
= rtl818x_ioread8(priv
, (u8
*)0xFFFE) & 0x3;
786 rtl818x_iowrite8(priv
, &priv
->map
->PGSELECT
, reg
);
787 rtl818x_iowrite8(priv
, &priv
->map
->EEPROM_CMD
, RTL818X_EEPROM_CMD_NORMAL
);
789 priv
->rf
= rtl8187_detect_rf(dev
);
791 err
= ieee80211_register_hw(dev
);
793 printk(KERN_ERR
"rtl8187: Cannot register device\n");
797 printk(KERN_INFO
"%s: hwaddr %s, rtl8187 V%d + %s\n",
798 wiphy_name(dev
->wiphy
), print_mac(mac
, dev
->wiphy
->perm_addr
),
799 priv
->asic_rev
, priv
->rf
->name
);
804 ieee80211_free_hw(dev
);
805 usb_set_intfdata(intf
, NULL
);
810 static void __devexit
rtl8187_disconnect(struct usb_interface
*intf
)
812 struct ieee80211_hw
*dev
= usb_get_intfdata(intf
);
813 struct rtl8187_priv
*priv
;
818 ieee80211_unregister_hw(dev
);
821 usb_put_dev(interface_to_usbdev(intf
));
822 ieee80211_free_hw(dev
);
825 static struct usb_driver rtl8187_driver
= {
826 .name
= KBUILD_MODNAME
,
827 .id_table
= rtl8187_table
,
828 .probe
= rtl8187_probe
,
829 .disconnect
= rtl8187_disconnect
,
832 static int __init
rtl8187_init(void)
834 return usb_register(&rtl8187_driver
);
837 static void __exit
rtl8187_exit(void)
839 usb_deregister(&rtl8187_driver
);
842 module_init(rtl8187_init
);
843 module_exit(rtl8187_exit
);