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f6532111 MW |
1 | |
2 | /* | |
3 | * Linux device driver for RTL8180 / RTL8185 | |
4 | * | |
5 | * Copyright 2007 Michael Wu <flamingice@sourmilk.net> | |
6 | * Copyright 2007 Andrea Merello <andreamrl@tiscali.it> | |
7 | * | |
8 | * Based on the r8180 driver, which is: | |
9 | * Copyright 2004-2005 Andrea Merello <andreamrl@tiscali.it>, et al. | |
10 | * | |
11 | * Thanks to Realtek for their support! | |
12 | * | |
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. | |
16 | */ | |
17 | ||
18 | #include <linux/init.h> | |
19 | #include <linux/pci.h> | |
20 | #include <linux/delay.h> | |
21 | #include <linux/etherdevice.h> | |
22 | #include <linux/eeprom_93cx6.h> | |
23 | #include <net/mac80211.h> | |
24 | ||
25 | #include "rtl8180.h" | |
26 | #include "rtl8180_rtl8225.h" | |
27 | #include "rtl8180_sa2400.h" | |
28 | #include "rtl8180_max2820.h" | |
29 | #include "rtl8180_grf5101.h" | |
30 | ||
31 | MODULE_AUTHOR("Michael Wu <flamingice@sourmilk.net>"); | |
32 | MODULE_AUTHOR("Andrea Merello <andreamrl@tiscali.it>"); | |
33 | MODULE_DESCRIPTION("RTL8180 / RTL8185 PCI wireless driver"); | |
34 | MODULE_LICENSE("GPL"); | |
35 | ||
36 | static struct pci_device_id rtl8180_table[] __devinitdata = { | |
37 | /* rtl8185 */ | |
38 | { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8185) }, | |
39 | { PCI_DEVICE(PCI_VENDOR_ID_BELKIN, 0x701f) }, | |
40 | ||
41 | /* rtl8180 */ | |
42 | { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8180) }, | |
43 | { PCI_DEVICE(0x1799, 0x6001) }, | |
44 | { PCI_DEVICE(0x1799, 0x6020) }, | |
45 | { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x3300) }, | |
46 | { } | |
47 | }; | |
48 | ||
49 | MODULE_DEVICE_TABLE(pci, rtl8180_table); | |
50 | ||
51 | void rtl8180_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data) | |
52 | { | |
53 | struct rtl8180_priv *priv = dev->priv; | |
54 | int i = 10; | |
55 | u32 buf; | |
56 | ||
57 | buf = (data << 8) | addr; | |
58 | ||
59 | rtl818x_iowrite32(priv, (__le32 __iomem *)&priv->map->PHY[0], buf | 0x80); | |
60 | while (i--) { | |
61 | rtl818x_iowrite32(priv, (__le32 __iomem *)&priv->map->PHY[0], buf); | |
62 | if (rtl818x_ioread8(priv, &priv->map->PHY[2]) == (data & 0xFF)) | |
63 | return; | |
64 | } | |
65 | } | |
66 | ||
67 | static void rtl8180_handle_rx(struct ieee80211_hw *dev) | |
68 | { | |
69 | struct rtl8180_priv *priv = dev->priv; | |
70 | unsigned int count = 32; | |
71 | ||
72 | while (count--) { | |
73 | struct rtl8180_rx_desc *entry = &priv->rx_ring[priv->rx_idx]; | |
74 | struct sk_buff *skb = priv->rx_buf[priv->rx_idx]; | |
75 | u32 flags = le32_to_cpu(entry->flags); | |
76 | ||
77 | if (flags & RTL8180_RX_DESC_FLAG_OWN) | |
78 | return; | |
79 | ||
80 | if (unlikely(flags & (RTL8180_RX_DESC_FLAG_DMA_FAIL | | |
81 | RTL8180_RX_DESC_FLAG_FOF | | |
82 | RTL8180_RX_DESC_FLAG_RX_ERR))) | |
83 | goto done; | |
84 | else { | |
85 | u32 flags2 = le32_to_cpu(entry->flags2); | |
86 | struct ieee80211_rx_status rx_status = {0}; | |
87 | struct sk_buff *new_skb = dev_alloc_skb(MAX_RX_SIZE); | |
88 | ||
89 | if (unlikely(!new_skb)) | |
90 | goto done; | |
91 | ||
92 | pci_unmap_single(priv->pdev, | |
93 | *((dma_addr_t *)skb->cb), | |
94 | MAX_RX_SIZE, PCI_DMA_FROMDEVICE); | |
95 | skb_put(skb, flags & 0xFFF); | |
96 | ||
97 | rx_status.antenna = (flags2 >> 15) & 1; | |
98 | /* TODO: improve signal/rssi reporting */ | |
99 | rx_status.signal = flags2 & 0xFF; | |
100 | rx_status.ssi = (flags2 >> 8) & 0x7F; | |
101 | rx_status.rate = (flags >> 20) & 0xF; | |
102 | rx_status.freq = dev->conf.freq; | |
103 | rx_status.channel = dev->conf.channel; | |
104 | rx_status.phymode = dev->conf.phymode; | |
105 | rx_status.mactime = le64_to_cpu(entry->tsft); | |
106 | rx_status.flag |= RX_FLAG_TSFT; | |
107 | if (flags & RTL8180_RX_DESC_FLAG_CRC32_ERR) | |
108 | rx_status.flag |= RX_FLAG_FAILED_FCS_CRC; | |
109 | ||
110 | ieee80211_rx_irqsafe(dev, skb, &rx_status); | |
111 | ||
112 | skb = new_skb; | |
113 | priv->rx_buf[priv->rx_idx] = skb; | |
114 | *((dma_addr_t *) skb->cb) = | |
115 | pci_map_single(priv->pdev, skb_tail_pointer(skb), | |
116 | MAX_RX_SIZE, PCI_DMA_FROMDEVICE); | |
117 | } | |
118 | ||
119 | done: | |
120 | entry->rx_buf = cpu_to_le32(*((dma_addr_t *)skb->cb)); | |
121 | entry->flags = cpu_to_le32(RTL8180_RX_DESC_FLAG_OWN | | |
122 | MAX_RX_SIZE); | |
123 | if (priv->rx_idx == 31) | |
124 | entry->flags |= cpu_to_le32(RTL8180_RX_DESC_FLAG_EOR); | |
125 | priv->rx_idx = (priv->rx_idx + 1) % 32; | |
126 | } | |
127 | } | |
128 | ||
129 | static void rtl8180_handle_tx(struct ieee80211_hw *dev, unsigned int prio) | |
130 | { | |
131 | struct rtl8180_priv *priv = dev->priv; | |
132 | struct rtl8180_tx_ring *ring = &priv->tx_ring[prio]; | |
133 | ||
134 | while (skb_queue_len(&ring->queue)) { | |
135 | struct rtl8180_tx_desc *entry = &ring->desc[ring->idx]; | |
136 | struct sk_buff *skb; | |
137 | struct ieee80211_tx_status status = { {0} }; | |
138 | struct ieee80211_tx_control *control; | |
139 | u32 flags = le32_to_cpu(entry->flags); | |
140 | ||
141 | if (flags & RTL8180_TX_DESC_FLAG_OWN) | |
142 | return; | |
143 | ||
144 | ring->idx = (ring->idx + 1) % ring->entries; | |
145 | skb = __skb_dequeue(&ring->queue); | |
146 | pci_unmap_single(priv->pdev, le32_to_cpu(entry->tx_buf), | |
147 | skb->len, PCI_DMA_TODEVICE); | |
148 | ||
149 | control = *((struct ieee80211_tx_control **)skb->cb); | |
150 | if (control) | |
151 | memcpy(&status.control, control, sizeof(*control)); | |
152 | kfree(control); | |
153 | ||
154 | if (!(status.control.flags & IEEE80211_TXCTL_NO_ACK)) { | |
155 | if (flags & RTL8180_TX_DESC_FLAG_TX_OK) | |
156 | status.flags = IEEE80211_TX_STATUS_ACK; | |
157 | else | |
158 | status.excessive_retries = 1; | |
159 | } | |
160 | status.retry_count = flags & 0xFF; | |
161 | ||
162 | ieee80211_tx_status_irqsafe(dev, skb, &status); | |
163 | if (ring->entries - skb_queue_len(&ring->queue) == 2) | |
164 | ieee80211_wake_queue(dev, prio); | |
165 | } | |
166 | } | |
167 | ||
168 | static irqreturn_t rtl8180_interrupt(int irq, void *dev_id) | |
169 | { | |
170 | struct ieee80211_hw *dev = dev_id; | |
171 | struct rtl8180_priv *priv = dev->priv; | |
172 | u16 reg; | |
173 | ||
174 | spin_lock(&priv->lock); | |
175 | reg = rtl818x_ioread16(priv, &priv->map->INT_STATUS); | |
176 | if (unlikely(reg == 0xFFFF)) { | |
177 | spin_unlock(&priv->lock); | |
178 | return IRQ_HANDLED; | |
179 | } | |
180 | ||
181 | rtl818x_iowrite16(priv, &priv->map->INT_STATUS, reg); | |
182 | ||
183 | if (reg & (RTL818X_INT_TXB_OK | RTL818X_INT_TXB_ERR)) | |
184 | rtl8180_handle_tx(dev, 3); | |
185 | ||
186 | if (reg & (RTL818X_INT_TXH_OK | RTL818X_INT_TXH_ERR)) | |
187 | rtl8180_handle_tx(dev, 2); | |
188 | ||
189 | if (reg & (RTL818X_INT_TXN_OK | RTL818X_INT_TXN_ERR)) | |
190 | rtl8180_handle_tx(dev, 1); | |
191 | ||
192 | if (reg & (RTL818X_INT_TXL_OK | RTL818X_INT_TXL_ERR)) | |
193 | rtl8180_handle_tx(dev, 0); | |
194 | ||
195 | if (reg & (RTL818X_INT_RX_OK | RTL818X_INT_RX_ERR)) | |
196 | rtl8180_handle_rx(dev); | |
197 | ||
198 | spin_unlock(&priv->lock); | |
199 | ||
200 | return IRQ_HANDLED; | |
201 | } | |
202 | ||
203 | static int rtl8180_tx(struct ieee80211_hw *dev, struct sk_buff *skb, | |
204 | struct ieee80211_tx_control *control) | |
205 | { | |
206 | struct rtl8180_priv *priv = dev->priv; | |
207 | struct rtl8180_tx_ring *ring; | |
208 | struct rtl8180_tx_desc *entry; | |
209 | unsigned long flags; | |
210 | unsigned int idx, prio; | |
211 | dma_addr_t mapping; | |
212 | u32 tx_flags; | |
213 | u16 plcp_len = 0; | |
214 | __le16 rts_duration = 0; | |
215 | ||
216 | prio = control->queue; | |
217 | ring = &priv->tx_ring[prio]; | |
218 | ||
219 | mapping = pci_map_single(priv->pdev, skb->data, | |
220 | skb->len, PCI_DMA_TODEVICE); | |
221 | ||
222 | tx_flags = RTL8180_TX_DESC_FLAG_OWN | RTL8180_TX_DESC_FLAG_FS | | |
223 | RTL8180_TX_DESC_FLAG_LS | (control->tx_rate << 24) | | |
224 | (control->rts_cts_rate << 19) | skb->len; | |
225 | ||
226 | if (priv->r8185) | |
227 | tx_flags |= RTL8180_TX_DESC_FLAG_DMA | | |
228 | RTL8180_TX_DESC_FLAG_NO_ENC; | |
229 | ||
230 | if (control->flags & IEEE80211_TXCTL_USE_RTS_CTS) | |
231 | tx_flags |= RTL8180_TX_DESC_FLAG_RTS; | |
232 | else if (control->flags & IEEE80211_TXCTL_USE_CTS_PROTECT) | |
233 | tx_flags |= RTL8180_TX_DESC_FLAG_CTS; | |
234 | ||
235 | *((struct ieee80211_tx_control **) skb->cb) = | |
236 | kmemdup(control, sizeof(*control), GFP_ATOMIC); | |
237 | ||
238 | if (control->flags & IEEE80211_TXCTL_USE_RTS_CTS) | |
239 | rts_duration = ieee80211_rts_duration(dev, priv->if_id, skb->len, control); | |
240 | ||
241 | if (!priv->r8185) { | |
242 | unsigned int remainder; | |
243 | ||
244 | plcp_len = DIV_ROUND_UP(16 * (skb->len + 4), | |
245 | (control->rate->rate * 2) / 10); | |
246 | remainder = (16 * (skb->len + 4)) % | |
247 | ((control->rate->rate * 2) / 10); | |
248 | if (remainder > 0 && remainder <= 6) | |
249 | plcp_len |= 1 << 15; | |
250 | } | |
251 | ||
252 | spin_lock_irqsave(&priv->lock, flags); | |
253 | idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries; | |
254 | entry = &ring->desc[idx]; | |
255 | ||
256 | entry->rts_duration = rts_duration; | |
257 | entry->plcp_len = cpu_to_le16(plcp_len); | |
258 | entry->tx_buf = cpu_to_le32(mapping); | |
259 | entry->frame_len = cpu_to_le32(skb->len); | |
260 | entry->flags2 = control->alt_retry_rate != -1 ? | |
261 | control->alt_retry_rate << 4 : 0; | |
262 | entry->retry_limit = control->retry_limit; | |
263 | entry->flags = cpu_to_le32(tx_flags); | |
264 | __skb_queue_tail(&ring->queue, skb); | |
265 | if (ring->entries - skb_queue_len(&ring->queue) < 2) | |
266 | ieee80211_stop_queue(dev, control->queue); | |
267 | spin_unlock_irqrestore(&priv->lock, flags); | |
268 | ||
269 | rtl818x_iowrite8(priv, &priv->map->TX_DMA_POLLING, (1 << (prio + 4))); | |
270 | ||
271 | return 0; | |
272 | } | |
273 | ||
274 | void rtl8180_set_anaparam(struct rtl8180_priv *priv, u32 anaparam) | |
275 | { | |
276 | u8 reg; | |
277 | ||
278 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_CONFIG); | |
279 | reg = rtl818x_ioread8(priv, &priv->map->CONFIG3); | |
280 | rtl818x_iowrite8(priv, &priv->map->CONFIG3, | |
281 | reg | RTL818X_CONFIG3_ANAPARAM_WRITE); | |
282 | rtl818x_iowrite32(priv, &priv->map->ANAPARAM, anaparam); | |
283 | rtl818x_iowrite8(priv, &priv->map->CONFIG3, | |
284 | reg & ~RTL818X_CONFIG3_ANAPARAM_WRITE); | |
285 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL); | |
286 | } | |
287 | ||
288 | static int rtl8180_init_hw(struct ieee80211_hw *dev) | |
289 | { | |
290 | struct rtl8180_priv *priv = dev->priv; | |
291 | u16 reg; | |
292 | ||
293 | rtl818x_iowrite8(priv, &priv->map->CMD, 0); | |
294 | rtl818x_ioread8(priv, &priv->map->CMD); | |
295 | msleep(10); | |
296 | ||
297 | /* reset */ | |
298 | rtl818x_iowrite16(priv, &priv->map->INT_MASK, 0); | |
299 | rtl818x_ioread8(priv, &priv->map->CMD); | |
300 | ||
301 | reg = rtl818x_ioread8(priv, &priv->map->CMD); | |
302 | reg &= (1 << 1); | |
303 | reg |= RTL818X_CMD_RESET; | |
304 | rtl818x_iowrite8(priv, &priv->map->CMD, RTL818X_CMD_RESET); | |
305 | rtl818x_ioread8(priv, &priv->map->CMD); | |
306 | msleep(200); | |
307 | ||
308 | /* check success of reset */ | |
309 | if (rtl818x_ioread8(priv, &priv->map->CMD) & RTL818X_CMD_RESET) { | |
310 | printk(KERN_ERR "%s: reset timeout!\n", wiphy_name(dev->wiphy)); | |
311 | return -ETIMEDOUT; | |
312 | } | |
313 | ||
314 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_LOAD); | |
315 | rtl818x_ioread8(priv, &priv->map->CMD); | |
316 | msleep(200); | |
317 | ||
318 | if (rtl818x_ioread8(priv, &priv->map->CONFIG3) & (1 << 3)) { | |
319 | /* For cardbus */ | |
320 | reg = rtl818x_ioread8(priv, &priv->map->CONFIG3); | |
321 | reg |= 1 << 1; | |
322 | rtl818x_iowrite8(priv, &priv->map->CONFIG3, reg); | |
323 | reg = rtl818x_ioread16(priv, &priv->map->FEMR); | |
324 | reg |= (1 << 15) | (1 << 14) | (1 << 4); | |
325 | rtl818x_iowrite16(priv, &priv->map->FEMR, reg); | |
326 | } | |
327 | ||
328 | rtl818x_iowrite8(priv, &priv->map->MSR, 0); | |
329 | ||
330 | if (!priv->r8185) | |
331 | rtl8180_set_anaparam(priv, priv->anaparam); | |
332 | ||
333 | rtl818x_iowrite32(priv, &priv->map->RDSAR, priv->rx_ring_dma); | |
334 | rtl818x_iowrite32(priv, &priv->map->TBDA, priv->tx_ring[3].dma); | |
335 | rtl818x_iowrite32(priv, &priv->map->THPDA, priv->tx_ring[2].dma); | |
336 | rtl818x_iowrite32(priv, &priv->map->TNPDA, priv->tx_ring[1].dma); | |
337 | rtl818x_iowrite32(priv, &priv->map->TLPDA, priv->tx_ring[0].dma); | |
338 | ||
339 | /* TODO: necessary? specs indicate not */ | |
340 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_CONFIG); | |
341 | reg = rtl818x_ioread8(priv, &priv->map->CONFIG2); | |
342 | rtl818x_iowrite8(priv, &priv->map->CONFIG2, reg & ~(1 << 3)); | |
343 | if (priv->r8185) { | |
344 | reg = rtl818x_ioread8(priv, &priv->map->CONFIG2); | |
345 | rtl818x_iowrite8(priv, &priv->map->CONFIG2, reg | (1 << 4)); | |
346 | } | |
347 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL); | |
348 | ||
349 | /* TODO: set CONFIG5 for calibrating AGC on rtl8180 + philips radio? */ | |
350 | ||
351 | /* TODO: turn off hw wep on rtl8180 */ | |
352 | ||
353 | rtl818x_iowrite32(priv, &priv->map->INT_TIMEOUT, 0); | |
354 | ||
355 | if (priv->r8185) { | |
356 | rtl818x_iowrite8(priv, &priv->map->WPA_CONF, 0); | |
357 | rtl818x_iowrite8(priv, &priv->map->RATE_FALLBACK, 0x81); | |
358 | rtl818x_iowrite8(priv, &priv->map->RESP_RATE, (8 << 4) | 0); | |
359 | ||
360 | rtl818x_iowrite16(priv, &priv->map->BRSR, 0x01F3); | |
361 | ||
362 | /* TODO: set ClkRun enable? necessary? */ | |
363 | reg = rtl818x_ioread8(priv, &priv->map->GP_ENABLE); | |
364 | rtl818x_iowrite8(priv, &priv->map->GP_ENABLE, reg & ~(1 << 6)); | |
365 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_CONFIG); | |
366 | reg = rtl818x_ioread8(priv, &priv->map->CONFIG3); | |
367 | rtl818x_iowrite8(priv, &priv->map->CONFIG3, reg | (1 << 2)); | |
368 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL); | |
369 | } else { | |
370 | rtl818x_iowrite16(priv, &priv->map->BRSR, 0x1); | |
371 | rtl818x_iowrite8(priv, &priv->map->SECURITY, 0); | |
372 | ||
373 | rtl818x_iowrite8(priv, &priv->map->PHY_DELAY, 0x6); | |
374 | rtl818x_iowrite8(priv, &priv->map->CARRIER_SENSE_COUNTER, 0x4C); | |
375 | } | |
376 | ||
377 | priv->rf->init(dev); | |
378 | if (priv->r8185) | |
379 | rtl818x_iowrite16(priv, &priv->map->BRSR, 0x01F3); | |
380 | return 0; | |
381 | } | |
382 | ||
383 | static int rtl8180_init_rx_ring(struct ieee80211_hw *dev) | |
384 | { | |
385 | struct rtl8180_priv *priv = dev->priv; | |
386 | struct rtl8180_rx_desc *entry; | |
387 | int i; | |
388 | ||
389 | priv->rx_ring = pci_alloc_consistent(priv->pdev, | |
390 | sizeof(*priv->rx_ring) * 32, | |
391 | &priv->rx_ring_dma); | |
392 | ||
393 | if (!priv->rx_ring || (unsigned long)priv->rx_ring & 0xFF) { | |
394 | printk(KERN_ERR "%s: Cannot allocate RX ring\n", | |
395 | wiphy_name(dev->wiphy)); | |
396 | return -ENOMEM; | |
397 | } | |
398 | ||
399 | memset(priv->rx_ring, 0, sizeof(*priv->rx_ring) * 32); | |
400 | priv->rx_idx = 0; | |
401 | ||
402 | for (i = 0; i < 32; i++) { | |
403 | struct sk_buff *skb = dev_alloc_skb(MAX_RX_SIZE); | |
404 | dma_addr_t *mapping; | |
405 | entry = &priv->rx_ring[i]; | |
406 | if (!skb) | |
407 | return 0; | |
408 | ||
409 | priv->rx_buf[i] = skb; | |
410 | mapping = (dma_addr_t *)skb->cb; | |
411 | *mapping = pci_map_single(priv->pdev, skb_tail_pointer(skb), | |
412 | MAX_RX_SIZE, PCI_DMA_FROMDEVICE); | |
413 | entry->rx_buf = cpu_to_le32(*mapping); | |
414 | entry->flags = cpu_to_le32(RTL8180_RX_DESC_FLAG_OWN | | |
415 | MAX_RX_SIZE); | |
416 | } | |
417 | entry->flags |= cpu_to_le32(RTL8180_RX_DESC_FLAG_EOR); | |
418 | return 0; | |
419 | } | |
420 | ||
421 | static void rtl8180_free_rx_ring(struct ieee80211_hw *dev) | |
422 | { | |
423 | struct rtl8180_priv *priv = dev->priv; | |
424 | int i; | |
425 | ||
426 | for (i = 0; i < 32; i++) { | |
427 | struct sk_buff *skb = priv->rx_buf[i]; | |
428 | if (!skb) | |
429 | continue; | |
430 | ||
431 | pci_unmap_single(priv->pdev, | |
432 | *((dma_addr_t *)skb->cb), | |
433 | MAX_RX_SIZE, PCI_DMA_FROMDEVICE); | |
434 | kfree_skb(skb); | |
435 | } | |
436 | ||
437 | pci_free_consistent(priv->pdev, sizeof(*priv->rx_ring) * 32, | |
438 | priv->rx_ring, priv->rx_ring_dma); | |
439 | priv->rx_ring = NULL; | |
440 | } | |
441 | ||
442 | static int rtl8180_init_tx_ring(struct ieee80211_hw *dev, | |
443 | unsigned int prio, unsigned int entries) | |
444 | { | |
445 | struct rtl8180_priv *priv = dev->priv; | |
446 | struct rtl8180_tx_desc *ring; | |
447 | dma_addr_t dma; | |
448 | int i; | |
449 | ||
450 | ring = pci_alloc_consistent(priv->pdev, sizeof(*ring) * entries, &dma); | |
451 | if (!ring || (unsigned long)ring & 0xFF) { | |
452 | printk(KERN_ERR "%s: Cannot allocate TX ring (prio = %d)\n", | |
453 | wiphy_name(dev->wiphy), prio); | |
454 | return -ENOMEM; | |
455 | } | |
456 | ||
457 | memset(ring, 0, sizeof(*ring)*entries); | |
458 | priv->tx_ring[prio].desc = ring; | |
459 | priv->tx_ring[prio].dma = dma; | |
460 | priv->tx_ring[prio].idx = 0; | |
461 | priv->tx_ring[prio].entries = entries; | |
462 | skb_queue_head_init(&priv->tx_ring[prio].queue); | |
463 | ||
464 | for (i = 0; i < entries; i++) | |
465 | ring[i].next_tx_desc = | |
466 | cpu_to_le32((u32)dma + ((i + 1) % entries) * sizeof(*ring)); | |
467 | ||
468 | return 0; | |
469 | } | |
470 | ||
471 | static void rtl8180_free_tx_ring(struct ieee80211_hw *dev, unsigned int prio) | |
472 | { | |
473 | struct rtl8180_priv *priv = dev->priv; | |
474 | struct rtl8180_tx_ring *ring = &priv->tx_ring[prio]; | |
475 | ||
476 | while (skb_queue_len(&ring->queue)) { | |
477 | struct rtl8180_tx_desc *entry = &ring->desc[ring->idx]; | |
478 | struct sk_buff *skb = __skb_dequeue(&ring->queue); | |
479 | ||
480 | pci_unmap_single(priv->pdev, le32_to_cpu(entry->tx_buf), | |
481 | skb->len, PCI_DMA_TODEVICE); | |
482 | kfree(*((struct ieee80211_tx_control **) skb->cb)); | |
483 | kfree_skb(skb); | |
484 | ring->idx = (ring->idx + 1) % ring->entries; | |
485 | } | |
486 | ||
487 | pci_free_consistent(priv->pdev, sizeof(*ring->desc)*ring->entries, | |
488 | ring->desc, ring->dma); | |
489 | ring->desc = NULL; | |
490 | } | |
491 | ||
492 | static int rtl8180_start(struct ieee80211_hw *dev) | |
493 | { | |
494 | struct rtl8180_priv *priv = dev->priv; | |
495 | int ret, i; | |
496 | u32 reg; | |
497 | ||
498 | ret = rtl8180_init_rx_ring(dev); | |
499 | if (ret) | |
500 | return ret; | |
501 | ||
502 | for (i = 0; i < 4; i++) | |
503 | if ((ret = rtl8180_init_tx_ring(dev, i, 16))) | |
504 | goto err_free_rings; | |
505 | ||
506 | ret = rtl8180_init_hw(dev); | |
507 | if (ret) | |
508 | goto err_free_rings; | |
509 | ||
510 | rtl818x_iowrite32(priv, &priv->map->RDSAR, priv->rx_ring_dma); | |
511 | rtl818x_iowrite32(priv, &priv->map->TBDA, priv->tx_ring[3].dma); | |
512 | rtl818x_iowrite32(priv, &priv->map->THPDA, priv->tx_ring[2].dma); | |
513 | rtl818x_iowrite32(priv, &priv->map->TNPDA, priv->tx_ring[1].dma); | |
514 | rtl818x_iowrite32(priv, &priv->map->TLPDA, priv->tx_ring[0].dma); | |
515 | ||
516 | ret = request_irq(priv->pdev->irq, &rtl8180_interrupt, | |
517 | IRQF_SHARED, KBUILD_MODNAME, dev); | |
518 | if (ret) { | |
519 | printk(KERN_ERR "%s: failed to register IRQ handler\n", | |
520 | wiphy_name(dev->wiphy)); | |
521 | goto err_free_rings; | |
522 | } | |
523 | ||
524 | rtl818x_iowrite16(priv, &priv->map->INT_MASK, 0xFFFF); | |
525 | ||
526 | rtl818x_iowrite32(priv, &priv->map->MAR[0], ~0); | |
527 | rtl818x_iowrite32(priv, &priv->map->MAR[1], ~0); | |
528 | ||
529 | reg = RTL818X_RX_CONF_ONLYERLPKT | | |
530 | RTL818X_RX_CONF_RX_AUTORESETPHY | | |
531 | RTL818X_RX_CONF_MGMT | | |
532 | RTL818X_RX_CONF_DATA | | |
533 | (7 << 8 /* MAX RX DMA */) | | |
534 | RTL818X_RX_CONF_BROADCAST | | |
535 | RTL818X_RX_CONF_NICMAC; | |
536 | ||
537 | if (priv->r8185) | |
538 | reg |= RTL818X_RX_CONF_CSDM1 | RTL818X_RX_CONF_CSDM2; | |
539 | else { | |
540 | reg |= (priv->rfparam & RF_PARAM_CARRIERSENSE1) | |
541 | ? RTL818X_RX_CONF_CSDM1 : 0; | |
542 | reg |= (priv->rfparam & RF_PARAM_CARRIERSENSE2) | |
543 | ? RTL818X_RX_CONF_CSDM2 : 0; | |
544 | } | |
545 | ||
546 | priv->rx_conf = reg; | |
547 | rtl818x_iowrite32(priv, &priv->map->RX_CONF, reg); | |
548 | ||
549 | if (priv->r8185) { | |
550 | reg = rtl818x_ioread8(priv, &priv->map->CW_CONF); | |
551 | reg &= ~RTL818X_CW_CONF_PERPACKET_CW_SHIFT; | |
552 | reg |= RTL818X_CW_CONF_PERPACKET_RETRY_SHIFT; | |
553 | rtl818x_iowrite8(priv, &priv->map->CW_CONF, reg); | |
554 | ||
555 | reg = rtl818x_ioread8(priv, &priv->map->TX_AGC_CTL); | |
556 | reg &= ~RTL818X_TX_AGC_CTL_PERPACKET_GAIN_SHIFT; | |
557 | reg &= ~RTL818X_TX_AGC_CTL_PERPACKET_ANTSEL_SHIFT; | |
558 | reg |= RTL818X_TX_AGC_CTL_FEEDBACK_ANT; | |
559 | rtl818x_iowrite8(priv, &priv->map->TX_AGC_CTL, reg); | |
560 | ||
561 | /* disable early TX */ | |
562 | rtl818x_iowrite8(priv, (u8 __iomem *)priv->map + 0xec, 0x3f); | |
563 | } | |
564 | ||
565 | reg = rtl818x_ioread32(priv, &priv->map->TX_CONF); | |
566 | reg |= (6 << 21 /* MAX TX DMA */) | | |
567 | RTL818X_TX_CONF_NO_ICV; | |
568 | ||
569 | if (priv->r8185) | |
570 | reg &= ~RTL818X_TX_CONF_PROBE_DTS; | |
571 | else | |
572 | reg &= ~RTL818X_TX_CONF_HW_SEQNUM; | |
573 | ||
574 | /* different meaning, same value on both rtl8185 and rtl8180 */ | |
575 | reg &= ~RTL818X_TX_CONF_SAT_HWPLCP; | |
576 | ||
577 | rtl818x_iowrite32(priv, &priv->map->TX_CONF, reg); | |
578 | ||
579 | reg = rtl818x_ioread8(priv, &priv->map->CMD); | |
580 | reg |= RTL818X_CMD_RX_ENABLE; | |
581 | reg |= RTL818X_CMD_TX_ENABLE; | |
582 | rtl818x_iowrite8(priv, &priv->map->CMD, reg); | |
583 | ||
584 | priv->mode = IEEE80211_IF_TYPE_MNTR; | |
585 | return 0; | |
586 | ||
587 | err_free_rings: | |
588 | rtl8180_free_rx_ring(dev); | |
589 | for (i = 0; i < 4; i++) | |
590 | if (priv->tx_ring[i].desc) | |
591 | rtl8180_free_tx_ring(dev, i); | |
592 | ||
593 | return ret; | |
594 | } | |
595 | ||
596 | static void rtl8180_stop(struct ieee80211_hw *dev) | |
597 | { | |
598 | struct rtl8180_priv *priv = dev->priv; | |
599 | u8 reg; | |
600 | int i; | |
601 | ||
602 | priv->mode = IEEE80211_IF_TYPE_INVALID; | |
603 | ||
604 | rtl818x_iowrite16(priv, &priv->map->INT_MASK, 0); | |
605 | ||
606 | reg = rtl818x_ioread8(priv, &priv->map->CMD); | |
607 | reg &= ~RTL818X_CMD_TX_ENABLE; | |
608 | reg &= ~RTL818X_CMD_RX_ENABLE; | |
609 | rtl818x_iowrite8(priv, &priv->map->CMD, reg); | |
610 | ||
611 | priv->rf->stop(dev); | |
612 | ||
613 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_CONFIG); | |
614 | reg = rtl818x_ioread8(priv, &priv->map->CONFIG4); | |
615 | rtl818x_iowrite8(priv, &priv->map->CONFIG4, reg | RTL818X_CONFIG4_VCOOFF); | |
616 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL); | |
617 | ||
618 | free_irq(priv->pdev->irq, dev); | |
619 | ||
620 | rtl8180_free_rx_ring(dev); | |
621 | for (i = 0; i < 4; i++) | |
622 | rtl8180_free_tx_ring(dev, i); | |
623 | } | |
624 | ||
625 | static int rtl8180_add_interface(struct ieee80211_hw *dev, | |
626 | struct ieee80211_if_init_conf *conf) | |
627 | { | |
628 | struct rtl8180_priv *priv = dev->priv; | |
629 | ||
630 | if (priv->mode != IEEE80211_IF_TYPE_MNTR) | |
631 | return -EOPNOTSUPP; | |
632 | ||
633 | switch (conf->type) { | |
634 | case IEEE80211_IF_TYPE_STA: | |
635 | priv->mode = conf->type; | |
636 | break; | |
637 | default: | |
638 | return -EOPNOTSUPP; | |
639 | } | |
640 | ||
641 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_CONFIG); | |
642 | rtl818x_iowrite32(priv, (__le32 __iomem *)&priv->map->MAC[0], | |
643 | cpu_to_le32(*(u32 *)conf->mac_addr)); | |
644 | rtl818x_iowrite16(priv, (__le16 __iomem *)&priv->map->MAC[4], | |
645 | cpu_to_le16(*(u16 *)(conf->mac_addr + 4))); | |
646 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL); | |
647 | ||
648 | return 0; | |
649 | } | |
650 | ||
651 | static void rtl8180_remove_interface(struct ieee80211_hw *dev, | |
652 | struct ieee80211_if_init_conf *conf) | |
653 | { | |
654 | struct rtl8180_priv *priv = dev->priv; | |
655 | priv->mode = IEEE80211_IF_TYPE_MNTR; | |
656 | } | |
657 | ||
658 | static int rtl8180_config(struct ieee80211_hw *dev, struct ieee80211_conf *conf) | |
659 | { | |
660 | struct rtl8180_priv *priv = dev->priv; | |
661 | ||
662 | priv->rf->set_chan(dev, conf); | |
663 | ||
664 | return 0; | |
665 | } | |
666 | ||
667 | static int rtl8180_config_interface(struct ieee80211_hw *dev, int if_id, | |
668 | struct ieee80211_if_conf *conf) | |
669 | { | |
670 | struct rtl8180_priv *priv = dev->priv; | |
671 | int i; | |
672 | ||
673 | priv->if_id = if_id; | |
674 | ||
675 | for (i = 0; i < ETH_ALEN; i++) | |
676 | rtl818x_iowrite8(priv, &priv->map->BSSID[i], conf->bssid[i]); | |
677 | ||
678 | if (is_valid_ether_addr(conf->bssid)) | |
679 | rtl818x_iowrite8(priv, &priv->map->MSR, RTL818X_MSR_INFRA); | |
680 | else | |
681 | rtl818x_iowrite8(priv, &priv->map->MSR, RTL818X_MSR_NO_LINK); | |
682 | ||
683 | return 0; | |
684 | } | |
685 | ||
686 | static void rtl8180_configure_filter(struct ieee80211_hw *dev, | |
687 | unsigned int changed_flags, | |
688 | unsigned int *total_flags, | |
689 | int mc_count, struct dev_addr_list *mclist) | |
690 | { | |
691 | struct rtl8180_priv *priv = dev->priv; | |
692 | ||
693 | if (changed_flags & FIF_FCSFAIL) | |
694 | priv->rx_conf ^= RTL818X_RX_CONF_FCS; | |
695 | if (changed_flags & FIF_CONTROL) | |
696 | priv->rx_conf ^= RTL818X_RX_CONF_CTRL; | |
697 | if (changed_flags & FIF_OTHER_BSS) | |
698 | priv->rx_conf ^= RTL818X_RX_CONF_MONITOR; | |
699 | if (*total_flags & FIF_ALLMULTI || mc_count > 0) | |
700 | priv->rx_conf |= RTL818X_RX_CONF_MULTICAST; | |
701 | else | |
702 | priv->rx_conf &= ~RTL818X_RX_CONF_MULTICAST; | |
703 | ||
704 | *total_flags = 0; | |
705 | ||
706 | if (priv->rx_conf & RTL818X_RX_CONF_FCS) | |
707 | *total_flags |= FIF_FCSFAIL; | |
708 | if (priv->rx_conf & RTL818X_RX_CONF_CTRL) | |
709 | *total_flags |= FIF_CONTROL; | |
710 | if (priv->rx_conf & RTL818X_RX_CONF_MONITOR) | |
711 | *total_flags |= FIF_OTHER_BSS; | |
712 | if (priv->rx_conf & RTL818X_RX_CONF_MULTICAST) | |
713 | *total_flags |= FIF_ALLMULTI; | |
714 | ||
715 | rtl818x_iowrite32(priv, &priv->map->RX_CONF, priv->rx_conf); | |
716 | } | |
717 | ||
718 | static const struct ieee80211_ops rtl8180_ops = { | |
719 | .tx = rtl8180_tx, | |
720 | .start = rtl8180_start, | |
721 | .stop = rtl8180_stop, | |
722 | .add_interface = rtl8180_add_interface, | |
723 | .remove_interface = rtl8180_remove_interface, | |
724 | .config = rtl8180_config, | |
725 | .config_interface = rtl8180_config_interface, | |
726 | .configure_filter = rtl8180_configure_filter, | |
727 | }; | |
728 | ||
729 | static void rtl8180_eeprom_register_read(struct eeprom_93cx6 *eeprom) | |
730 | { | |
731 | struct ieee80211_hw *dev = eeprom->data; | |
732 | struct rtl8180_priv *priv = dev->priv; | |
733 | u8 reg = rtl818x_ioread8(priv, &priv->map->EEPROM_CMD); | |
734 | ||
735 | eeprom->reg_data_in = reg & RTL818X_EEPROM_CMD_WRITE; | |
736 | eeprom->reg_data_out = reg & RTL818X_EEPROM_CMD_READ; | |
737 | eeprom->reg_data_clock = reg & RTL818X_EEPROM_CMD_CK; | |
738 | eeprom->reg_chip_select = reg & RTL818X_EEPROM_CMD_CS; | |
739 | } | |
740 | ||
741 | static void rtl8180_eeprom_register_write(struct eeprom_93cx6 *eeprom) | |
742 | { | |
743 | struct ieee80211_hw *dev = eeprom->data; | |
744 | struct rtl8180_priv *priv = dev->priv; | |
745 | u8 reg = 2 << 6; | |
746 | ||
747 | if (eeprom->reg_data_in) | |
748 | reg |= RTL818X_EEPROM_CMD_WRITE; | |
749 | if (eeprom->reg_data_out) | |
750 | reg |= RTL818X_EEPROM_CMD_READ; | |
751 | if (eeprom->reg_data_clock) | |
752 | reg |= RTL818X_EEPROM_CMD_CK; | |
753 | if (eeprom->reg_chip_select) | |
754 | reg |= RTL818X_EEPROM_CMD_CS; | |
755 | ||
756 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, reg); | |
757 | rtl818x_ioread8(priv, &priv->map->EEPROM_CMD); | |
758 | udelay(10); | |
759 | } | |
760 | ||
761 | static int __devinit rtl8180_probe(struct pci_dev *pdev, | |
762 | const struct pci_device_id *id) | |
763 | { | |
764 | struct ieee80211_hw *dev; | |
765 | struct rtl8180_priv *priv; | |
766 | unsigned long mem_addr, mem_len; | |
767 | unsigned int io_addr, io_len; | |
768 | int err, i; | |
769 | struct eeprom_93cx6 eeprom; | |
770 | const char *chip_name, *rf_name = NULL; | |
771 | u32 reg; | |
772 | u16 eeprom_val; | |
773 | DECLARE_MAC_BUF(mac); | |
774 | ||
775 | err = pci_enable_device(pdev); | |
776 | if (err) { | |
777 | printk(KERN_ERR "%s (rtl8180): Cannot enable new PCI device\n", | |
778 | pci_name(pdev)); | |
779 | return err; | |
780 | } | |
781 | ||
782 | err = pci_request_regions(pdev, KBUILD_MODNAME); | |
783 | if (err) { | |
784 | printk(KERN_ERR "%s (rtl8180): Cannot obtain PCI resources\n", | |
785 | pci_name(pdev)); | |
786 | return err; | |
787 | } | |
788 | ||
789 | io_addr = pci_resource_start(pdev, 0); | |
790 | io_len = pci_resource_len(pdev, 0); | |
791 | mem_addr = pci_resource_start(pdev, 1); | |
792 | mem_len = pci_resource_len(pdev, 1); | |
793 | ||
794 | if (mem_len < sizeof(struct rtl818x_csr) || | |
795 | io_len < sizeof(struct rtl818x_csr)) { | |
796 | printk(KERN_ERR "%s (rtl8180): Too short PCI resources\n", | |
797 | pci_name(pdev)); | |
798 | err = -ENOMEM; | |
799 | goto err_free_reg; | |
800 | } | |
801 | ||
802 | if ((err = pci_set_dma_mask(pdev, 0xFFFFFF00ULL)) || | |
803 | (err = pci_set_consistent_dma_mask(pdev, 0xFFFFFF00ULL))) { | |
804 | printk(KERN_ERR "%s (rtl8180): No suitable DMA available\n", | |
805 | pci_name(pdev)); | |
806 | goto err_free_reg; | |
807 | } | |
808 | ||
809 | pci_set_master(pdev); | |
810 | ||
811 | dev = ieee80211_alloc_hw(sizeof(*priv), &rtl8180_ops); | |
812 | if (!dev) { | |
813 | printk(KERN_ERR "%s (rtl8180): ieee80211 alloc failed\n", | |
814 | pci_name(pdev)); | |
815 | err = -ENOMEM; | |
816 | goto err_free_reg; | |
817 | } | |
818 | ||
819 | priv = dev->priv; | |
820 | priv->pdev = pdev; | |
821 | ||
822 | SET_IEEE80211_DEV(dev, &pdev->dev); | |
823 | pci_set_drvdata(pdev, dev); | |
824 | ||
825 | priv->map = pci_iomap(pdev, 1, mem_len); | |
826 | if (!priv->map) | |
827 | priv->map = pci_iomap(pdev, 0, io_len); | |
828 | ||
829 | if (!priv->map) { | |
830 | printk(KERN_ERR "%s (rtl8180): Cannot map device memory\n", | |
831 | pci_name(pdev)); | |
832 | goto err_free_dev; | |
833 | } | |
834 | ||
835 | memcpy(priv->channels, rtl818x_channels, sizeof(rtl818x_channels)); | |
836 | memcpy(priv->rates, rtl818x_rates, sizeof(rtl818x_rates)); | |
837 | priv->modes[0].mode = MODE_IEEE80211G; | |
838 | priv->modes[0].num_rates = ARRAY_SIZE(rtl818x_rates); | |
839 | priv->modes[0].rates = priv->rates; | |
840 | priv->modes[0].num_channels = ARRAY_SIZE(rtl818x_channels); | |
841 | priv->modes[0].channels = priv->channels; | |
842 | priv->modes[1].mode = MODE_IEEE80211B; | |
843 | priv->modes[1].num_rates = 4; | |
844 | priv->modes[1].rates = priv->rates; | |
845 | priv->modes[1].num_channels = ARRAY_SIZE(rtl818x_channels); | |
846 | priv->modes[1].channels = priv->channels; | |
847 | priv->mode = IEEE80211_IF_TYPE_INVALID; | |
848 | dev->flags = IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING | | |
849 | IEEE80211_HW_RX_INCLUDES_FCS; | |
850 | dev->queues = 1; | |
851 | dev->max_rssi = 65; | |
852 | ||
853 | reg = rtl818x_ioread32(priv, &priv->map->TX_CONF); | |
854 | reg &= RTL818X_TX_CONF_HWVER_MASK; | |
855 | switch (reg) { | |
856 | case RTL818X_TX_CONF_R8180_ABCD: | |
857 | chip_name = "RTL8180"; | |
858 | break; | |
859 | case RTL818X_TX_CONF_R8180_F: | |
860 | chip_name = "RTL8180vF"; | |
861 | break; | |
862 | case RTL818X_TX_CONF_R8185_ABC: | |
863 | chip_name = "RTL8185"; | |
864 | break; | |
865 | case RTL818X_TX_CONF_R8185_D: | |
866 | chip_name = "RTL8185vD"; | |
867 | break; | |
868 | default: | |
869 | printk(KERN_ERR "%s (rtl8180): Unknown chip! (0x%x)\n", | |
870 | pci_name(pdev), reg >> 25); | |
871 | goto err_iounmap; | |
872 | } | |
873 | ||
874 | priv->r8185 = reg & RTL818X_TX_CONF_R8185_ABC; | |
875 | if (priv->r8185) { | |
876 | if ((err = ieee80211_register_hwmode(dev, &priv->modes[0]))) | |
877 | goto err_iounmap; | |
878 | ||
879 | pci_try_set_mwi(pdev); | |
880 | } | |
881 | ||
882 | if ((err = ieee80211_register_hwmode(dev, &priv->modes[1]))) | |
883 | goto err_iounmap; | |
884 | ||
885 | eeprom.data = dev; | |
886 | eeprom.register_read = rtl8180_eeprom_register_read; | |
887 | eeprom.register_write = rtl8180_eeprom_register_write; | |
888 | if (rtl818x_ioread32(priv, &priv->map->RX_CONF) & (1 << 6)) | |
889 | eeprom.width = PCI_EEPROM_WIDTH_93C66; | |
890 | else | |
891 | eeprom.width = PCI_EEPROM_WIDTH_93C46; | |
892 | ||
893 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_PROGRAM); | |
894 | rtl818x_ioread8(priv, &priv->map->EEPROM_CMD); | |
895 | udelay(10); | |
896 | ||
897 | eeprom_93cx6_read(&eeprom, 0x06, &eeprom_val); | |
898 | eeprom_val &= 0xFF; | |
899 | switch (eeprom_val) { | |
900 | case 1: rf_name = "Intersil"; | |
901 | break; | |
902 | case 2: rf_name = "RFMD"; | |
903 | break; | |
904 | case 3: priv->rf = &sa2400_rf_ops; | |
905 | break; | |
906 | case 4: priv->rf = &max2820_rf_ops; | |
907 | break; | |
908 | case 5: priv->rf = &grf5101_rf_ops; | |
909 | break; | |
910 | case 9: priv->rf = rtl8180_detect_rf(dev); | |
911 | break; | |
912 | case 10: | |
913 | rf_name = "RTL8255"; | |
914 | break; | |
915 | default: | |
916 | printk(KERN_ERR "%s (rtl8180): Unknown RF! (0x%x)\n", | |
917 | pci_name(pdev), eeprom_val); | |
918 | goto err_iounmap; | |
919 | } | |
920 | ||
921 | if (!priv->rf) { | |
922 | printk(KERN_ERR "%s (rtl8180): %s RF frontend not supported!\n", | |
923 | pci_name(pdev), rf_name); | |
924 | goto err_iounmap; | |
925 | } | |
926 | ||
927 | eeprom_93cx6_read(&eeprom, 0x17, &eeprom_val); | |
928 | priv->csthreshold = eeprom_val >> 8; | |
929 | if (!priv->r8185) { | |
930 | __le32 anaparam; | |
931 | eeprom_93cx6_multiread(&eeprom, 0xD, (__le16 *)&anaparam, 2); | |
932 | priv->anaparam = le32_to_cpu(anaparam); | |
933 | eeprom_93cx6_read(&eeprom, 0x19, &priv->rfparam); | |
934 | } | |
935 | ||
936 | eeprom_93cx6_multiread(&eeprom, 0x7, (__le16 *)dev->wiphy->perm_addr, 3); | |
937 | if (!is_valid_ether_addr(dev->wiphy->perm_addr)) { | |
938 | printk(KERN_WARNING "%s (rtl8180): Invalid hwaddr! Using" | |
939 | " randomly generated MAC addr\n", pci_name(pdev)); | |
940 | random_ether_addr(dev->wiphy->perm_addr); | |
941 | } | |
942 | ||
943 | /* CCK TX power */ | |
944 | for (i = 0; i < 14; i += 2) { | |
945 | u16 txpwr; | |
946 | eeprom_93cx6_read(&eeprom, 0x10 + (i >> 1), &txpwr); | |
947 | priv->channels[i].val = txpwr & 0xFF; | |
948 | priv->channels[i + 1].val = txpwr >> 8; | |
949 | } | |
950 | ||
951 | /* OFDM TX power */ | |
952 | if (priv->r8185) { | |
953 | for (i = 0; i < 14; i += 2) { | |
954 | u16 txpwr; | |
955 | eeprom_93cx6_read(&eeprom, 0x20 + (i >> 1), &txpwr); | |
956 | priv->channels[i].val |= (txpwr & 0xFF) << 8; | |
957 | priv->channels[i + 1].val |= txpwr & 0xFF00; | |
958 | } | |
959 | } | |
960 | ||
961 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL); | |
962 | ||
963 | spin_lock_init(&priv->lock); | |
964 | ||
965 | err = ieee80211_register_hw(dev); | |
966 | if (err) { | |
967 | printk(KERN_ERR "%s (rtl8180): Cannot register device\n", | |
968 | pci_name(pdev)); | |
969 | goto err_iounmap; | |
970 | } | |
971 | ||
972 | printk(KERN_INFO "%s: hwaddr %s, %s + %s\n", | |
973 | wiphy_name(dev->wiphy), print_mac(mac, dev->wiphy->perm_addr), | |
974 | chip_name, priv->rf->name); | |
975 | ||
976 | return 0; | |
977 | ||
978 | err_iounmap: | |
979 | iounmap(priv->map); | |
980 | ||
981 | err_free_dev: | |
982 | pci_set_drvdata(pdev, NULL); | |
983 | ieee80211_free_hw(dev); | |
984 | ||
985 | err_free_reg: | |
986 | pci_release_regions(pdev); | |
987 | pci_disable_device(pdev); | |
988 | return err; | |
989 | } | |
990 | ||
991 | static void __devexit rtl8180_remove(struct pci_dev *pdev) | |
992 | { | |
993 | struct ieee80211_hw *dev = pci_get_drvdata(pdev); | |
994 | struct rtl8180_priv *priv; | |
995 | ||
996 | if (!dev) | |
997 | return; | |
998 | ||
999 | ieee80211_unregister_hw(dev); | |
1000 | ||
1001 | priv = dev->priv; | |
1002 | ||
1003 | pci_iounmap(pdev, priv->map); | |
1004 | pci_release_regions(pdev); | |
1005 | pci_disable_device(pdev); | |
1006 | ieee80211_free_hw(dev); | |
1007 | } | |
1008 | ||
1009 | #ifdef CONFIG_PM | |
1010 | static int rtl8180_suspend(struct pci_dev *pdev, pm_message_t state) | |
1011 | { | |
1012 | pci_save_state(pdev); | |
1013 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); | |
1014 | return 0; | |
1015 | } | |
1016 | ||
1017 | static int rtl8180_resume(struct pci_dev *pdev) | |
1018 | { | |
1019 | pci_set_power_state(pdev, PCI_D0); | |
1020 | pci_restore_state(pdev); | |
1021 | return 0; | |
1022 | } | |
1023 | ||
1024 | #endif /* CONFIG_PM */ | |
1025 | ||
1026 | static struct pci_driver rtl8180_driver = { | |
1027 | .name = KBUILD_MODNAME, | |
1028 | .id_table = rtl8180_table, | |
1029 | .probe = rtl8180_probe, | |
1030 | .remove = __devexit_p(rtl8180_remove), | |
1031 | #ifdef CONFIG_PM | |
1032 | .suspend = rtl8180_suspend, | |
1033 | .resume = rtl8180_resume, | |
1034 | #endif /* CONFIG_PM */ | |
1035 | }; | |
1036 | ||
1037 | static int __init rtl8180_init(void) | |
1038 | { | |
1039 | return pci_register_driver(&rtl8180_driver); | |
1040 | } | |
1041 | ||
1042 | static void __exit rtl8180_exit(void) | |
1043 | { | |
1044 | pci_unregister_driver(&rtl8180_driver); | |
1045 | } | |
1046 | ||
1047 | module_init(rtl8180_init); | |
1048 | module_exit(rtl8180_exit); |