Commit | Line | Data |
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cc0b88cf MW |
1 | |
2 | /* | |
3 | * Linux device driver for ADMtek ADM8211 (IEEE 802.11b MAC/BBP) | |
4 | * | |
5 | * Copyright (c) 2003, Jouni Malinen <j@w1.fi> | |
6 | * Copyright (c) 2004-2007, Michael Wu <flamingice@sourmilk.net> | |
7 | * Some parts copyright (c) 2003 by David Young <dyoung@pobox.com> | |
8 | * and used with permission. | |
9 | * | |
10 | * Much thanks to Infineon-ADMtek for their support of this driver. | |
11 | * | |
12 | * This program is free software; you can redistribute it and/or modify | |
13 | * it under the terms of the GNU General Public License version 2 as | |
14 | * published by the Free Software Foundation. See README and COPYING for | |
15 | * more details. | |
16 | */ | |
17 | ||
a6b7a407 | 18 | #include <linux/interrupt.h> |
cc0b88cf MW |
19 | #include <linux/if.h> |
20 | #include <linux/skbuff.h> | |
5a0e3ad6 | 21 | #include <linux/slab.h> |
cc0b88cf MW |
22 | #include <linux/etherdevice.h> |
23 | #include <linux/pci.h> | |
24 | #include <linux/delay.h> | |
25 | #include <linux/crc32.h> | |
26 | #include <linux/eeprom_93cx6.h> | |
9d9779e7 | 27 | #include <linux/module.h> |
cc0b88cf MW |
28 | #include <net/mac80211.h> |
29 | ||
30 | #include "adm8211.h" | |
31 | ||
32 | MODULE_AUTHOR("Michael Wu <flamingice@sourmilk.net>"); | |
33 | MODULE_AUTHOR("Jouni Malinen <j@w1.fi>"); | |
34 | MODULE_DESCRIPTION("Driver for IEEE 802.11b wireless cards based on ADMtek ADM8211"); | |
35 | MODULE_SUPPORTED_DEVICE("ADM8211"); | |
36 | MODULE_LICENSE("GPL"); | |
37 | ||
38 | static unsigned int tx_ring_size __read_mostly = 16; | |
39 | static unsigned int rx_ring_size __read_mostly = 16; | |
40 | ||
41 | module_param(tx_ring_size, uint, 0); | |
42 | module_param(rx_ring_size, uint, 0); | |
43 | ||
9baa3c34 | 44 | static const struct pci_device_id adm8211_pci_id_table[] = { |
cc0b88cf MW |
45 | /* ADMtek ADM8211 */ |
46 | { PCI_DEVICE(0x10B7, 0x6000) }, /* 3Com 3CRSHPW796 */ | |
47 | { PCI_DEVICE(0x1200, 0x8201) }, /* ? */ | |
48 | { PCI_DEVICE(0x1317, 0x8201) }, /* ADM8211A */ | |
49 | { PCI_DEVICE(0x1317, 0x8211) }, /* ADM8211B/C */ | |
50 | { 0 } | |
51 | }; | |
52 | ||
8318d78a JB |
53 | static struct ieee80211_rate adm8211_rates[] = { |
54 | { .bitrate = 10, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, | |
55 | { .bitrate = 20, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, | |
56 | { .bitrate = 55, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, | |
57 | { .bitrate = 110, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, | |
58 | { .bitrate = 220, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, /* XX ?? */ | |
59 | }; | |
60 | ||
61 | static const struct ieee80211_channel adm8211_channels[] = { | |
62 | { .center_freq = 2412}, | |
63 | { .center_freq = 2417}, | |
64 | { .center_freq = 2422}, | |
65 | { .center_freq = 2427}, | |
66 | { .center_freq = 2432}, | |
67 | { .center_freq = 2437}, | |
68 | { .center_freq = 2442}, | |
69 | { .center_freq = 2447}, | |
70 | { .center_freq = 2452}, | |
71 | { .center_freq = 2457}, | |
72 | { .center_freq = 2462}, | |
73 | { .center_freq = 2467}, | |
74 | { .center_freq = 2472}, | |
75 | { .center_freq = 2484}, | |
76 | }; | |
77 | ||
78 | ||
cc0b88cf MW |
79 | static void adm8211_eeprom_register_read(struct eeprom_93cx6 *eeprom) |
80 | { | |
81 | struct adm8211_priv *priv = eeprom->data; | |
82 | u32 reg = ADM8211_CSR_READ(SPR); | |
83 | ||
84 | eeprom->reg_data_in = reg & ADM8211_SPR_SDI; | |
85 | eeprom->reg_data_out = reg & ADM8211_SPR_SDO; | |
86 | eeprom->reg_data_clock = reg & ADM8211_SPR_SCLK; | |
87 | eeprom->reg_chip_select = reg & ADM8211_SPR_SCS; | |
88 | } | |
89 | ||
90 | static void adm8211_eeprom_register_write(struct eeprom_93cx6 *eeprom) | |
91 | { | |
92 | struct adm8211_priv *priv = eeprom->data; | |
93 | u32 reg = 0x4000 | ADM8211_SPR_SRS; | |
94 | ||
95 | if (eeprom->reg_data_in) | |
96 | reg |= ADM8211_SPR_SDI; | |
97 | if (eeprom->reg_data_out) | |
98 | reg |= ADM8211_SPR_SDO; | |
99 | if (eeprom->reg_data_clock) | |
100 | reg |= ADM8211_SPR_SCLK; | |
101 | if (eeprom->reg_chip_select) | |
102 | reg |= ADM8211_SPR_SCS; | |
103 | ||
104 | ADM8211_CSR_WRITE(SPR, reg); | |
105 | ADM8211_CSR_READ(SPR); /* eeprom_delay */ | |
106 | } | |
107 | ||
108 | static int adm8211_read_eeprom(struct ieee80211_hw *dev) | |
109 | { | |
110 | struct adm8211_priv *priv = dev->priv; | |
111 | unsigned int words, i; | |
112 | struct ieee80211_chan_range chan_range; | |
113 | u16 cr49; | |
114 | struct eeprom_93cx6 eeprom = { | |
115 | .data = priv, | |
116 | .register_read = adm8211_eeprom_register_read, | |
117 | .register_write = adm8211_eeprom_register_write | |
118 | }; | |
119 | ||
120 | if (ADM8211_CSR_READ(CSR_TEST0) & ADM8211_CSR_TEST0_EPTYP) { | |
121 | /* 256 * 16-bit = 512 bytes */ | |
122 | eeprom.width = PCI_EEPROM_WIDTH_93C66; | |
123 | words = 256; | |
124 | } else { | |
125 | /* 64 * 16-bit = 128 bytes */ | |
126 | eeprom.width = PCI_EEPROM_WIDTH_93C46; | |
127 | words = 64; | |
128 | } | |
129 | ||
130 | priv->eeprom_len = words * 2; | |
131 | priv->eeprom = kmalloc(priv->eeprom_len, GFP_KERNEL); | |
132 | if (!priv->eeprom) | |
133 | return -ENOMEM; | |
134 | ||
0e5ce1f3 | 135 | eeprom_93cx6_multiread(&eeprom, 0, (__le16 *)priv->eeprom, words); |
cc0b88cf MW |
136 | |
137 | cr49 = le16_to_cpu(priv->eeprom->cr49); | |
138 | priv->rf_type = (cr49 >> 3) & 0x7; | |
139 | switch (priv->rf_type) { | |
140 | case ADM8211_TYPE_INTERSIL: | |
141 | case ADM8211_TYPE_RFMD: | |
142 | case ADM8211_TYPE_MARVEL: | |
143 | case ADM8211_TYPE_AIROHA: | |
144 | case ADM8211_TYPE_ADMTEK: | |
145 | break; | |
146 | ||
147 | default: | |
f6ac0adf | 148 | if (priv->pdev->revision < ADM8211_REV_CA) |
cc0b88cf MW |
149 | priv->rf_type = ADM8211_TYPE_RFMD; |
150 | else | |
151 | priv->rf_type = ADM8211_TYPE_AIROHA; | |
152 | ||
153 | printk(KERN_WARNING "%s (adm8211): Unknown RFtype %d\n", | |
154 | pci_name(priv->pdev), (cr49 >> 3) & 0x7); | |
155 | } | |
156 | ||
157 | priv->bbp_type = cr49 & 0x7; | |
158 | switch (priv->bbp_type) { | |
159 | case ADM8211_TYPE_INTERSIL: | |
160 | case ADM8211_TYPE_RFMD: | |
161 | case ADM8211_TYPE_MARVEL: | |
162 | case ADM8211_TYPE_AIROHA: | |
163 | case ADM8211_TYPE_ADMTEK: | |
164 | break; | |
165 | default: | |
f6ac0adf | 166 | if (priv->pdev->revision < ADM8211_REV_CA) |
cc0b88cf MW |
167 | priv->bbp_type = ADM8211_TYPE_RFMD; |
168 | else | |
169 | priv->bbp_type = ADM8211_TYPE_ADMTEK; | |
170 | ||
171 | printk(KERN_WARNING "%s (adm8211): Unknown BBPtype: %d\n", | |
172 | pci_name(priv->pdev), cr49 >> 3); | |
173 | } | |
174 | ||
175 | if (priv->eeprom->country_code >= ARRAY_SIZE(cranges)) { | |
176 | printk(KERN_WARNING "%s (adm8211): Invalid country code (%d)\n", | |
177 | pci_name(priv->pdev), priv->eeprom->country_code); | |
178 | ||
179 | chan_range = cranges[2]; | |
180 | } else | |
181 | chan_range = cranges[priv->eeprom->country_code]; | |
182 | ||
183 | printk(KERN_DEBUG "%s (adm8211): Channel range: %d - %d\n", | |
184 | pci_name(priv->pdev), (int)chan_range.min, (int)chan_range.max); | |
185 | ||
8318d78a | 186 | BUILD_BUG_ON(sizeof(priv->channels) != sizeof(adm8211_channels)); |
cc0b88cf | 187 | |
8318d78a JB |
188 | memcpy(priv->channels, adm8211_channels, sizeof(priv->channels)); |
189 | priv->band.channels = priv->channels; | |
190 | priv->band.n_channels = ARRAY_SIZE(adm8211_channels); | |
191 | priv->band.bitrates = adm8211_rates; | |
192 | priv->band.n_bitrates = ARRAY_SIZE(adm8211_rates); | |
cc0b88cf MW |
193 | |
194 | for (i = 1; i <= ARRAY_SIZE(adm8211_channels); i++) | |
8318d78a JB |
195 | if (i < chan_range.min || i > chan_range.max) |
196 | priv->channels[i - 1].flags |= IEEE80211_CHAN_DISABLED; | |
cc0b88cf MW |
197 | |
198 | switch (priv->eeprom->specific_bbptype) { | |
199 | case ADM8211_BBP_RFMD3000: | |
200 | case ADM8211_BBP_RFMD3002: | |
201 | case ADM8211_BBP_ADM8011: | |
202 | priv->specific_bbptype = priv->eeprom->specific_bbptype; | |
203 | break; | |
204 | ||
205 | default: | |
f6ac0adf | 206 | if (priv->pdev->revision < ADM8211_REV_CA) |
cc0b88cf MW |
207 | priv->specific_bbptype = ADM8211_BBP_RFMD3000; |
208 | else | |
209 | priv->specific_bbptype = ADM8211_BBP_ADM8011; | |
210 | ||
211 | printk(KERN_WARNING "%s (adm8211): Unknown specific BBP: %d\n", | |
212 | pci_name(priv->pdev), priv->eeprom->specific_bbptype); | |
213 | } | |
214 | ||
215 | switch (priv->eeprom->specific_rftype) { | |
216 | case ADM8211_RFMD2948: | |
217 | case ADM8211_RFMD2958: | |
218 | case ADM8211_RFMD2958_RF3000_CONTROL_POWER: | |
219 | case ADM8211_MAX2820: | |
220 | case ADM8211_AL2210L: | |
221 | priv->transceiver_type = priv->eeprom->specific_rftype; | |
222 | break; | |
223 | ||
224 | default: | |
f6ac0adf | 225 | if (priv->pdev->revision == ADM8211_REV_BA) |
cc0b88cf | 226 | priv->transceiver_type = ADM8211_RFMD2958_RF3000_CONTROL_POWER; |
f6ac0adf | 227 | else if (priv->pdev->revision == ADM8211_REV_CA) |
cc0b88cf | 228 | priv->transceiver_type = ADM8211_AL2210L; |
f6ac0adf | 229 | else if (priv->pdev->revision == ADM8211_REV_AB) |
cc0b88cf MW |
230 | priv->transceiver_type = ADM8211_RFMD2948; |
231 | ||
232 | printk(KERN_WARNING "%s (adm8211): Unknown transceiver: %d\n", | |
233 | pci_name(priv->pdev), priv->eeprom->specific_rftype); | |
234 | ||
235 | break; | |
236 | } | |
237 | ||
238 | printk(KERN_DEBUG "%s (adm8211): RFtype=%d BBPtype=%d Specific BBP=%d " | |
239 | "Transceiver=%d\n", pci_name(priv->pdev), priv->rf_type, | |
240 | priv->bbp_type, priv->specific_bbptype, priv->transceiver_type); | |
241 | ||
242 | return 0; | |
243 | } | |
244 | ||
245 | static inline void adm8211_write_sram(struct ieee80211_hw *dev, | |
246 | u32 addr, u32 data) | |
247 | { | |
248 | struct adm8211_priv *priv = dev->priv; | |
249 | ||
250 | ADM8211_CSR_WRITE(WEPCTL, addr | ADM8211_WEPCTL_TABLE_WR | | |
f6ac0adf | 251 | (priv->pdev->revision < ADM8211_REV_BA ? |
cc0b88cf MW |
252 | 0 : ADM8211_WEPCTL_SEL_WEPTABLE )); |
253 | ADM8211_CSR_READ(WEPCTL); | |
254 | msleep(1); | |
255 | ||
256 | ADM8211_CSR_WRITE(WESK, data); | |
257 | ADM8211_CSR_READ(WESK); | |
258 | msleep(1); | |
259 | } | |
260 | ||
261 | static void adm8211_write_sram_bytes(struct ieee80211_hw *dev, | |
262 | unsigned int addr, u8 *buf, | |
263 | unsigned int len) | |
264 | { | |
265 | struct adm8211_priv *priv = dev->priv; | |
266 | u32 reg = ADM8211_CSR_READ(WEPCTL); | |
267 | unsigned int i; | |
268 | ||
f6ac0adf | 269 | if (priv->pdev->revision < ADM8211_REV_BA) { |
cc0b88cf MW |
270 | for (i = 0; i < len; i += 2) { |
271 | u16 val = buf[i] | (buf[i + 1] << 8); | |
272 | adm8211_write_sram(dev, addr + i / 2, val); | |
273 | } | |
274 | } else { | |
275 | for (i = 0; i < len; i += 4) { | |
276 | u32 val = (buf[i + 0] << 0 ) | (buf[i + 1] << 8 ) | | |
277 | (buf[i + 2] << 16) | (buf[i + 3] << 24); | |
278 | adm8211_write_sram(dev, addr + i / 4, val); | |
279 | } | |
280 | } | |
281 | ||
282 | ADM8211_CSR_WRITE(WEPCTL, reg); | |
283 | } | |
284 | ||
285 | static void adm8211_clear_sram(struct ieee80211_hw *dev) | |
286 | { | |
287 | struct adm8211_priv *priv = dev->priv; | |
288 | u32 reg = ADM8211_CSR_READ(WEPCTL); | |
289 | unsigned int addr; | |
290 | ||
291 | for (addr = 0; addr < ADM8211_SRAM_SIZE; addr++) | |
292 | adm8211_write_sram(dev, addr, 0); | |
293 | ||
294 | ADM8211_CSR_WRITE(WEPCTL, reg); | |
295 | } | |
296 | ||
297 | static int adm8211_get_stats(struct ieee80211_hw *dev, | |
298 | struct ieee80211_low_level_stats *stats) | |
299 | { | |
300 | struct adm8211_priv *priv = dev->priv; | |
301 | ||
302 | memcpy(stats, &priv->stats, sizeof(*stats)); | |
303 | ||
304 | return 0; | |
305 | } | |
306 | ||
cc0b88cf MW |
307 | static void adm8211_interrupt_tci(struct ieee80211_hw *dev) |
308 | { | |
309 | struct adm8211_priv *priv = dev->priv; | |
310 | unsigned int dirty_tx; | |
311 | ||
312 | spin_lock(&priv->lock); | |
313 | ||
314 | for (dirty_tx = priv->dirty_tx; priv->cur_tx - dirty_tx; dirty_tx++) { | |
315 | unsigned int entry = dirty_tx % priv->tx_ring_size; | |
316 | u32 status = le32_to_cpu(priv->tx_ring[entry].status); | |
e039fa4a | 317 | struct ieee80211_tx_info *txi; |
cc0b88cf MW |
318 | struct adm8211_tx_ring_info *info; |
319 | struct sk_buff *skb; | |
320 | ||
321 | if (status & TDES0_CONTROL_OWN || | |
322 | !(status & TDES0_CONTROL_DONE)) | |
323 | break; | |
324 | ||
325 | info = &priv->tx_buffers[entry]; | |
326 | skb = info->skb; | |
e039fa4a | 327 | txi = IEEE80211_SKB_CB(skb); |
cc0b88cf MW |
328 | |
329 | /* TODO: check TDES0_STATUS_TUF and TDES0_STATUS_TRO */ | |
330 | ||
331 | pci_unmap_single(priv->pdev, info->mapping, | |
332 | info->skb->len, PCI_DMA_TODEVICE); | |
333 | ||
e6a9854b JB |
334 | ieee80211_tx_info_clear_status(txi); |
335 | ||
d703e29a MW |
336 | skb_pull(skb, sizeof(struct adm8211_tx_hdr)); |
337 | memcpy(skb_push(skb, info->hdrlen), skb->cb, info->hdrlen); | |
e6a9854b JB |
338 | if (!(txi->flags & IEEE80211_TX_CTL_NO_ACK) && |
339 | !(status & TDES0_STATUS_ES)) | |
340 | txi->flags |= IEEE80211_TX_STAT_ACK; | |
341 | ||
e039fa4a | 342 | ieee80211_tx_status_irqsafe(dev, skb); |
d703e29a | 343 | |
cc0b88cf MW |
344 | info->skb = NULL; |
345 | } | |
346 | ||
347 | if (priv->cur_tx - dirty_tx < priv->tx_ring_size - 2) | |
348 | ieee80211_wake_queue(dev, 0); | |
349 | ||
350 | priv->dirty_tx = dirty_tx; | |
351 | spin_unlock(&priv->lock); | |
352 | } | |
353 | ||
354 | ||
355 | static void adm8211_interrupt_rci(struct ieee80211_hw *dev) | |
356 | { | |
357 | struct adm8211_priv *priv = dev->priv; | |
358 | unsigned int entry = priv->cur_rx % priv->rx_ring_size; | |
359 | u32 status; | |
360 | unsigned int pktlen; | |
361 | struct sk_buff *skb, *newskb; | |
362 | unsigned int limit = priv->rx_ring_size; | |
cc0b88cf MW |
363 | u8 rssi, rate; |
364 | ||
365 | while (!(priv->rx_ring[entry].status & cpu_to_le32(RDES0_STATUS_OWN))) { | |
366 | if (!limit--) | |
367 | break; | |
368 | ||
369 | status = le32_to_cpu(priv->rx_ring[entry].status); | |
370 | rate = (status & RDES0_STATUS_RXDR) >> 12; | |
371 | rssi = le32_to_cpu(priv->rx_ring[entry].length) & | |
372 | RDES1_STATUS_RSSI; | |
373 | ||
374 | pktlen = status & RDES0_STATUS_FL; | |
375 | if (pktlen > RX_PKT_SIZE) { | |
376 | if (net_ratelimit()) | |
c96c31e4 JP |
377 | wiphy_debug(dev->wiphy, "frame too long (%d)\n", |
378 | pktlen); | |
cc0b88cf MW |
379 | pktlen = RX_PKT_SIZE; |
380 | } | |
381 | ||
382 | if (!priv->soft_rx_crc && status & RDES0_STATUS_ES) { | |
383 | skb = NULL; /* old buffer will be reused */ | |
384 | /* TODO: update RX error stats */ | |
385 | /* TODO: check RDES0_STATUS_CRC*E */ | |
386 | } else if (pktlen < RX_COPY_BREAK) { | |
387 | skb = dev_alloc_skb(pktlen); | |
388 | if (skb) { | |
389 | pci_dma_sync_single_for_cpu( | |
390 | priv->pdev, | |
391 | priv->rx_buffers[entry].mapping, | |
392 | pktlen, PCI_DMA_FROMDEVICE); | |
393 | memcpy(skb_put(skb, pktlen), | |
394 | skb_tail_pointer(priv->rx_buffers[entry].skb), | |
395 | pktlen); | |
396 | pci_dma_sync_single_for_device( | |
397 | priv->pdev, | |
398 | priv->rx_buffers[entry].mapping, | |
399 | RX_PKT_SIZE, PCI_DMA_FROMDEVICE); | |
400 | } | |
401 | } else { | |
402 | newskb = dev_alloc_skb(RX_PKT_SIZE); | |
403 | if (newskb) { | |
404 | skb = priv->rx_buffers[entry].skb; | |
405 | skb_put(skb, pktlen); | |
406 | pci_unmap_single( | |
407 | priv->pdev, | |
408 | priv->rx_buffers[entry].mapping, | |
409 | RX_PKT_SIZE, PCI_DMA_FROMDEVICE); | |
410 | priv->rx_buffers[entry].skb = newskb; | |
411 | priv->rx_buffers[entry].mapping = | |
412 | pci_map_single(priv->pdev, | |
413 | skb_tail_pointer(newskb), | |
414 | RX_PKT_SIZE, | |
415 | PCI_DMA_FROMDEVICE); | |
416 | } else { | |
417 | skb = NULL; | |
418 | /* TODO: update rx dropped stats */ | |
419 | } | |
420 | ||
421 | priv->rx_ring[entry].buffer1 = | |
422 | cpu_to_le32(priv->rx_buffers[entry].mapping); | |
423 | } | |
424 | ||
425 | priv->rx_ring[entry].status = cpu_to_le32(RDES0_STATUS_OWN | | |
426 | RDES0_STATUS_SQL); | |
427 | priv->rx_ring[entry].length = | |
428 | cpu_to_le32(RX_PKT_SIZE | | |
429 | (entry == priv->rx_ring_size - 1 ? | |
430 | RDES1_CONTROL_RER : 0)); | |
431 | ||
432 | if (skb) { | |
433 | struct ieee80211_rx_status rx_status = {0}; | |
434 | ||
f6ac0adf | 435 | if (priv->pdev->revision < ADM8211_REV_CA) |
566bfe5a | 436 | rx_status.signal = rssi; |
cc0b88cf | 437 | else |
566bfe5a | 438 | rx_status.signal = 100 - rssi; |
cc0b88cf | 439 | |
8318d78a | 440 | rx_status.rate_idx = rate; |
cc0b88cf | 441 | |
8318d78a JB |
442 | rx_status.freq = adm8211_channels[priv->channel - 1].center_freq; |
443 | rx_status.band = IEEE80211_BAND_2GHZ; | |
cc0b88cf | 444 | |
f1d58c25 JB |
445 | memcpy(IEEE80211_SKB_RXCB(skb), &rx_status, sizeof(rx_status)); |
446 | ieee80211_rx_irqsafe(dev, skb); | |
cc0b88cf MW |
447 | } |
448 | ||
449 | entry = (++priv->cur_rx) % priv->rx_ring_size; | |
450 | } | |
451 | ||
452 | /* TODO: check LPC and update stats? */ | |
453 | } | |
454 | ||
455 | ||
456 | static irqreturn_t adm8211_interrupt(int irq, void *dev_id) | |
457 | { | |
c96c31e4 JP |
458 | #define ADM8211_INT(x) \ |
459 | do { \ | |
460 | if (unlikely(stsr & ADM8211_STSR_ ## x)) \ | |
461 | wiphy_debug(dev->wiphy, "%s\n", #x); \ | |
cc0b88cf MW |
462 | } while (0) |
463 | ||
464 | struct ieee80211_hw *dev = dev_id; | |
465 | struct adm8211_priv *priv = dev->priv; | |
2e08ac7e MW |
466 | u32 stsr = ADM8211_CSR_READ(STSR); |
467 | ADM8211_CSR_WRITE(STSR, stsr); | |
468 | if (stsr == 0xffffffff) | |
469 | return IRQ_HANDLED; | |
470 | ||
471 | if (!(stsr & (ADM8211_STSR_NISS | ADM8211_STSR_AISS))) | |
472 | return IRQ_HANDLED; | |
473 | ||
474 | if (stsr & ADM8211_STSR_RCI) | |
475 | adm8211_interrupt_rci(dev); | |
476 | if (stsr & ADM8211_STSR_TCI) | |
477 | adm8211_interrupt_tci(dev); | |
478 | ||
2e08ac7e MW |
479 | ADM8211_INT(PCF); |
480 | ADM8211_INT(BCNTC); | |
481 | ADM8211_INT(GPINT); | |
482 | ADM8211_INT(ATIMTC); | |
483 | ADM8211_INT(TSFTF); | |
484 | ADM8211_INT(TSCZ); | |
485 | ADM8211_INT(SQL); | |
486 | ADM8211_INT(WEPTD); | |
487 | ADM8211_INT(ATIME); | |
2e08ac7e MW |
488 | ADM8211_INT(TEIS); |
489 | ADM8211_INT(FBE); | |
490 | ADM8211_INT(REIS); | |
491 | ADM8211_INT(GPTT); | |
492 | ADM8211_INT(RPS); | |
493 | ADM8211_INT(RDU); | |
494 | ADM8211_INT(TUF); | |
2e08ac7e MW |
495 | ADM8211_INT(TPS); |
496 | ||
497 | return IRQ_HANDLED; | |
cc0b88cf MW |
498 | |
499 | #undef ADM8211_INT | |
500 | } | |
501 | ||
502 | #define WRITE_SYN(name,v_mask,v_shift,a_mask,a_shift,bits,prewrite,postwrite)\ | |
503 | static void adm8211_rf_write_syn_ ## name (struct ieee80211_hw *dev, \ | |
504 | u16 addr, u32 value) { \ | |
505 | struct adm8211_priv *priv = dev->priv; \ | |
506 | unsigned int i; \ | |
507 | u32 reg, bitbuf; \ | |
508 | \ | |
509 | value &= v_mask; \ | |
510 | addr &= a_mask; \ | |
511 | bitbuf = (value << v_shift) | (addr << a_shift); \ | |
512 | \ | |
513 | ADM8211_CSR_WRITE(SYNRF, ADM8211_SYNRF_IF_SELECT_1); \ | |
514 | ADM8211_CSR_READ(SYNRF); \ | |
515 | ADM8211_CSR_WRITE(SYNRF, ADM8211_SYNRF_IF_SELECT_0); \ | |
516 | ADM8211_CSR_READ(SYNRF); \ | |
517 | \ | |
518 | if (prewrite) { \ | |
519 | ADM8211_CSR_WRITE(SYNRF, ADM8211_SYNRF_WRITE_SYNDATA_0); \ | |
520 | ADM8211_CSR_READ(SYNRF); \ | |
521 | } \ | |
522 | \ | |
523 | for (i = 0; i <= bits; i++) { \ | |
524 | if (bitbuf & (1 << (bits - i))) \ | |
525 | reg = ADM8211_SYNRF_WRITE_SYNDATA_1; \ | |
526 | else \ | |
527 | reg = ADM8211_SYNRF_WRITE_SYNDATA_0; \ | |
528 | \ | |
529 | ADM8211_CSR_WRITE(SYNRF, reg); \ | |
530 | ADM8211_CSR_READ(SYNRF); \ | |
531 | \ | |
532 | ADM8211_CSR_WRITE(SYNRF, reg | ADM8211_SYNRF_WRITE_CLOCK_1); \ | |
533 | ADM8211_CSR_READ(SYNRF); \ | |
534 | ADM8211_CSR_WRITE(SYNRF, reg | ADM8211_SYNRF_WRITE_CLOCK_0); \ | |
535 | ADM8211_CSR_READ(SYNRF); \ | |
536 | } \ | |
537 | \ | |
538 | if (postwrite == 1) { \ | |
539 | ADM8211_CSR_WRITE(SYNRF, reg | ADM8211_SYNRF_IF_SELECT_0); \ | |
540 | ADM8211_CSR_READ(SYNRF); \ | |
541 | } \ | |
542 | if (postwrite == 2) { \ | |
543 | ADM8211_CSR_WRITE(SYNRF, reg | ADM8211_SYNRF_IF_SELECT_1); \ | |
544 | ADM8211_CSR_READ(SYNRF); \ | |
545 | } \ | |
546 | \ | |
547 | ADM8211_CSR_WRITE(SYNRF, 0); \ | |
548 | ADM8211_CSR_READ(SYNRF); \ | |
549 | } | |
550 | ||
551 | WRITE_SYN(max2820, 0x00FFF, 0, 0x0F, 12, 15, 1, 1) | |
552 | WRITE_SYN(al2210l, 0xFFFFF, 4, 0x0F, 0, 23, 1, 1) | |
553 | WRITE_SYN(rfmd2958, 0x3FFFF, 0, 0x1F, 18, 23, 0, 1) | |
554 | WRITE_SYN(rfmd2948, 0x0FFFF, 4, 0x0F, 0, 21, 0, 2) | |
555 | ||
556 | #undef WRITE_SYN | |
557 | ||
558 | static int adm8211_write_bbp(struct ieee80211_hw *dev, u8 addr, u8 data) | |
559 | { | |
560 | struct adm8211_priv *priv = dev->priv; | |
561 | unsigned int timeout; | |
562 | u32 reg; | |
563 | ||
564 | timeout = 10; | |
565 | while (timeout > 0) { | |
566 | reg = ADM8211_CSR_READ(BBPCTL); | |
567 | if (!(reg & (ADM8211_BBPCTL_WR | ADM8211_BBPCTL_RD))) | |
568 | break; | |
569 | timeout--; | |
570 | msleep(2); | |
571 | } | |
572 | ||
573 | if (timeout == 0) { | |
c96c31e4 JP |
574 | wiphy_debug(dev->wiphy, |
575 | "adm8211_write_bbp(%d,%d) failed prewrite (reg=0x%08x)\n", | |
576 | addr, data, reg); | |
cc0b88cf MW |
577 | return -ETIMEDOUT; |
578 | } | |
579 | ||
580 | switch (priv->bbp_type) { | |
581 | case ADM8211_TYPE_INTERSIL: | |
582 | reg = ADM8211_BBPCTL_MMISEL; /* three wire interface */ | |
583 | break; | |
584 | case ADM8211_TYPE_RFMD: | |
585 | reg = (0x20 << 24) | ADM8211_BBPCTL_TXCE | ADM8211_BBPCTL_CCAP | | |
586 | (0x01 << 18); | |
587 | break; | |
588 | case ADM8211_TYPE_ADMTEK: | |
589 | reg = (0x20 << 24) | ADM8211_BBPCTL_TXCE | ADM8211_BBPCTL_CCAP | | |
590 | (0x05 << 18); | |
591 | break; | |
592 | } | |
593 | reg |= ADM8211_BBPCTL_WR | (addr << 8) | data; | |
594 | ||
595 | ADM8211_CSR_WRITE(BBPCTL, reg); | |
596 | ||
597 | timeout = 10; | |
598 | while (timeout > 0) { | |
599 | reg = ADM8211_CSR_READ(BBPCTL); | |
600 | if (!(reg & ADM8211_BBPCTL_WR)) | |
601 | break; | |
602 | timeout--; | |
603 | msleep(2); | |
604 | } | |
605 | ||
606 | if (timeout == 0) { | |
607 | ADM8211_CSR_WRITE(BBPCTL, ADM8211_CSR_READ(BBPCTL) & | |
608 | ~ADM8211_BBPCTL_WR); | |
c96c31e4 JP |
609 | wiphy_debug(dev->wiphy, |
610 | "adm8211_write_bbp(%d,%d) failed postwrite (reg=0x%08x)\n", | |
611 | addr, data, reg); | |
cc0b88cf MW |
612 | return -ETIMEDOUT; |
613 | } | |
614 | ||
615 | return 0; | |
616 | } | |
617 | ||
618 | static int adm8211_rf_set_channel(struct ieee80211_hw *dev, unsigned int chan) | |
619 | { | |
620 | static const u32 adm8211_rfmd2958_reg5[] = | |
621 | {0x22BD, 0x22D2, 0x22E8, 0x22FE, 0x2314, 0x232A, 0x2340, | |
622 | 0x2355, 0x236B, 0x2381, 0x2397, 0x23AD, 0x23C2, 0x23F7}; | |
623 | static const u32 adm8211_rfmd2958_reg6[] = | |
624 | {0x05D17, 0x3A2E8, 0x2E8BA, 0x22E8B, 0x1745D, 0x0BA2E, 0x00000, | |
625 | 0x345D1, 0x28BA2, 0x1D174, 0x11745, 0x05D17, 0x3A2E8, 0x11745}; | |
626 | ||
627 | struct adm8211_priv *priv = dev->priv; | |
628 | u8 ant_power = priv->ant_power > 0x3F ? | |
629 | priv->eeprom->antenna_power[chan - 1] : priv->ant_power; | |
630 | u8 tx_power = priv->tx_power > 0x3F ? | |
631 | priv->eeprom->tx_power[chan - 1] : priv->tx_power; | |
632 | u8 lpf_cutoff = priv->lpf_cutoff == 0xFF ? | |
633 | priv->eeprom->lpf_cutoff[chan - 1] : priv->lpf_cutoff; | |
634 | u8 lnags_thresh = priv->lnags_threshold == 0xFF ? | |
635 | priv->eeprom->lnags_threshold[chan - 1] : priv->lnags_threshold; | |
636 | u32 reg; | |
637 | ||
638 | ADM8211_IDLE(); | |
639 | ||
640 | /* Program synthesizer to new channel */ | |
641 | switch (priv->transceiver_type) { | |
642 | case ADM8211_RFMD2958: | |
643 | case ADM8211_RFMD2958_RF3000_CONTROL_POWER: | |
644 | adm8211_rf_write_syn_rfmd2958(dev, 0x00, 0x04007); | |
645 | adm8211_rf_write_syn_rfmd2958(dev, 0x02, 0x00033); | |
646 | ||
647 | adm8211_rf_write_syn_rfmd2958(dev, 0x05, | |
648 | adm8211_rfmd2958_reg5[chan - 1]); | |
649 | adm8211_rf_write_syn_rfmd2958(dev, 0x06, | |
650 | adm8211_rfmd2958_reg6[chan - 1]); | |
651 | break; | |
652 | ||
653 | case ADM8211_RFMD2948: | |
654 | adm8211_rf_write_syn_rfmd2948(dev, SI4126_MAIN_CONF, | |
655 | SI4126_MAIN_XINDIV2); | |
656 | adm8211_rf_write_syn_rfmd2948(dev, SI4126_POWERDOWN, | |
657 | SI4126_POWERDOWN_PDIB | | |
658 | SI4126_POWERDOWN_PDRB); | |
659 | adm8211_rf_write_syn_rfmd2948(dev, SI4126_PHASE_DET_GAIN, 0); | |
660 | adm8211_rf_write_syn_rfmd2948(dev, SI4126_RF2_N_DIV, | |
661 | (chan == 14 ? | |
662 | 2110 : (2033 + (chan * 5)))); | |
663 | adm8211_rf_write_syn_rfmd2948(dev, SI4126_IF_N_DIV, 1496); | |
664 | adm8211_rf_write_syn_rfmd2948(dev, SI4126_RF2_R_DIV, 44); | |
665 | adm8211_rf_write_syn_rfmd2948(dev, SI4126_IF_R_DIV, 44); | |
666 | break; | |
667 | ||
668 | case ADM8211_MAX2820: | |
669 | adm8211_rf_write_syn_max2820(dev, 0x3, | |
670 | (chan == 14 ? 0x054 : (0x7 + (chan * 5)))); | |
671 | break; | |
672 | ||
673 | case ADM8211_AL2210L: | |
674 | adm8211_rf_write_syn_al2210l(dev, 0x0, | |
675 | (chan == 14 ? 0x229B4 : (0x22967 + (chan * 5)))); | |
676 | break; | |
677 | ||
678 | default: | |
c96c31e4 JP |
679 | wiphy_debug(dev->wiphy, "unsupported transceiver type %d\n", |
680 | priv->transceiver_type); | |
cc0b88cf MW |
681 | break; |
682 | } | |
683 | ||
684 | /* write BBP regs */ | |
685 | if (priv->bbp_type == ADM8211_TYPE_RFMD) { | |
686 | ||
687 | /* SMC 2635W specific? adm8211b doesn't use the 2948 though.. */ | |
688 | /* TODO: remove if SMC 2635W doesn't need this */ | |
689 | if (priv->transceiver_type == ADM8211_RFMD2948) { | |
690 | reg = ADM8211_CSR_READ(GPIO); | |
691 | reg &= 0xfffc0000; | |
692 | reg |= ADM8211_CSR_GPIO_EN0; | |
693 | if (chan != 14) | |
694 | reg |= ADM8211_CSR_GPIO_O0; | |
695 | ADM8211_CSR_WRITE(GPIO, reg); | |
696 | } | |
697 | ||
698 | if (priv->transceiver_type == ADM8211_RFMD2958) { | |
699 | /* set PCNT2 */ | |
700 | adm8211_rf_write_syn_rfmd2958(dev, 0x0B, 0x07100); | |
701 | /* set PCNT1 P_DESIRED/MID_BIAS */ | |
702 | reg = le16_to_cpu(priv->eeprom->cr49); | |
703 | reg >>= 13; | |
704 | reg <<= 15; | |
705 | reg |= ant_power << 9; | |
706 | adm8211_rf_write_syn_rfmd2958(dev, 0x0A, reg); | |
707 | /* set TXRX TX_GAIN */ | |
708 | adm8211_rf_write_syn_rfmd2958(dev, 0x09, 0x00050 | | |
f6ac0adf | 709 | (priv->pdev->revision < ADM8211_REV_CA ? tx_power : 0)); |
cc0b88cf MW |
710 | } else { |
711 | reg = ADM8211_CSR_READ(PLCPHD); | |
712 | reg &= 0xff00ffff; | |
713 | reg |= tx_power << 18; | |
714 | ADM8211_CSR_WRITE(PLCPHD, reg); | |
715 | } | |
716 | ||
717 | ADM8211_CSR_WRITE(SYNRF, ADM8211_SYNRF_SELRF | | |
718 | ADM8211_SYNRF_PE1 | ADM8211_SYNRF_PHYRST); | |
719 | ADM8211_CSR_READ(SYNRF); | |
720 | msleep(30); | |
721 | ||
722 | /* RF3000 BBP */ | |
723 | if (priv->transceiver_type != ADM8211_RFMD2958) | |
724 | adm8211_write_bbp(dev, RF3000_TX_VAR_GAIN__TX_LEN_EXT, | |
725 | tx_power<<2); | |
726 | adm8211_write_bbp(dev, RF3000_LOW_GAIN_CALIB, lpf_cutoff); | |
727 | adm8211_write_bbp(dev, RF3000_HIGH_GAIN_CALIB, lnags_thresh); | |
f6ac0adf | 728 | adm8211_write_bbp(dev, 0x1c, priv->pdev->revision == ADM8211_REV_BA ? |
cc0b88cf MW |
729 | priv->eeprom->cr28 : 0); |
730 | adm8211_write_bbp(dev, 0x1d, priv->eeprom->cr29); | |
731 | ||
732 | ADM8211_CSR_WRITE(SYNRF, 0); | |
733 | ||
734 | /* Nothing to do for ADMtek BBP */ | |
735 | } else if (priv->bbp_type != ADM8211_TYPE_ADMTEK) | |
5db55844 | 736 | wiphy_debug(dev->wiphy, "unsupported BBP type %d\n", |
c96c31e4 | 737 | priv->bbp_type); |
cc0b88cf MW |
738 | |
739 | ADM8211_RESTORE(); | |
740 | ||
741 | /* update current channel for adhoc (and maybe AP mode) */ | |
742 | reg = ADM8211_CSR_READ(CAP0); | |
743 | reg &= ~0xF; | |
744 | reg |= chan; | |
745 | ADM8211_CSR_WRITE(CAP0, reg); | |
746 | ||
747 | return 0; | |
748 | } | |
749 | ||
750 | static void adm8211_update_mode(struct ieee80211_hw *dev) | |
751 | { | |
752 | struct adm8211_priv *priv = dev->priv; | |
753 | ||
754 | ADM8211_IDLE(); | |
755 | ||
756 | priv->soft_rx_crc = 0; | |
757 | switch (priv->mode) { | |
05c914fe | 758 | case NL80211_IFTYPE_STATION: |
cc0b88cf MW |
759 | priv->nar &= ~(ADM8211_NAR_PR | ADM8211_NAR_EA); |
760 | priv->nar |= ADM8211_NAR_ST | ADM8211_NAR_SR; | |
761 | break; | |
05c914fe | 762 | case NL80211_IFTYPE_ADHOC: |
cc0b88cf MW |
763 | priv->nar &= ~ADM8211_NAR_PR; |
764 | priv->nar |= ADM8211_NAR_EA | ADM8211_NAR_ST | ADM8211_NAR_SR; | |
765 | ||
766 | /* don't trust the error bits on rev 0x20 and up in adhoc */ | |
f6ac0adf | 767 | if (priv->pdev->revision >= ADM8211_REV_BA) |
cc0b88cf MW |
768 | priv->soft_rx_crc = 1; |
769 | break; | |
05c914fe | 770 | case NL80211_IFTYPE_MONITOR: |
cc0b88cf MW |
771 | priv->nar &= ~(ADM8211_NAR_EA | ADM8211_NAR_ST); |
772 | priv->nar |= ADM8211_NAR_PR | ADM8211_NAR_SR; | |
773 | break; | |
774 | } | |
775 | ||
776 | ADM8211_RESTORE(); | |
777 | } | |
778 | ||
779 | static void adm8211_hw_init_syn(struct ieee80211_hw *dev) | |
780 | { | |
781 | struct adm8211_priv *priv = dev->priv; | |
782 | ||
783 | switch (priv->transceiver_type) { | |
784 | case ADM8211_RFMD2958: | |
785 | case ADM8211_RFMD2958_RF3000_CONTROL_POWER: | |
786 | /* comments taken from ADMtek vendor driver */ | |
787 | ||
788 | /* Reset RF2958 after power on */ | |
789 | adm8211_rf_write_syn_rfmd2958(dev, 0x1F, 0x00000); | |
790 | /* Initialize RF VCO Core Bias to maximum */ | |
791 | adm8211_rf_write_syn_rfmd2958(dev, 0x0C, 0x3001F); | |
792 | /* Initialize IF PLL */ | |
793 | adm8211_rf_write_syn_rfmd2958(dev, 0x01, 0x29C03); | |
794 | /* Initialize IF PLL Coarse Tuning */ | |
795 | adm8211_rf_write_syn_rfmd2958(dev, 0x03, 0x1FF6F); | |
796 | /* Initialize RF PLL */ | |
797 | adm8211_rf_write_syn_rfmd2958(dev, 0x04, 0x29403); | |
798 | /* Initialize RF PLL Coarse Tuning */ | |
799 | adm8211_rf_write_syn_rfmd2958(dev, 0x07, 0x1456F); | |
800 | /* Initialize TX gain and filter BW (R9) */ | |
801 | adm8211_rf_write_syn_rfmd2958(dev, 0x09, | |
802 | (priv->transceiver_type == ADM8211_RFMD2958 ? | |
803 | 0x10050 : 0x00050)); | |
804 | /* Initialize CAL register */ | |
805 | adm8211_rf_write_syn_rfmd2958(dev, 0x08, 0x3FFF8); | |
806 | break; | |
807 | ||
808 | case ADM8211_MAX2820: | |
809 | adm8211_rf_write_syn_max2820(dev, 0x1, 0x01E); | |
810 | adm8211_rf_write_syn_max2820(dev, 0x2, 0x001); | |
811 | adm8211_rf_write_syn_max2820(dev, 0x3, 0x054); | |
812 | adm8211_rf_write_syn_max2820(dev, 0x4, 0x310); | |
813 | adm8211_rf_write_syn_max2820(dev, 0x5, 0x000); | |
814 | break; | |
815 | ||
816 | case ADM8211_AL2210L: | |
817 | adm8211_rf_write_syn_al2210l(dev, 0x0, 0x0196C); | |
818 | adm8211_rf_write_syn_al2210l(dev, 0x1, 0x007CB); | |
819 | adm8211_rf_write_syn_al2210l(dev, 0x2, 0x3582F); | |
820 | adm8211_rf_write_syn_al2210l(dev, 0x3, 0x010A9); | |
821 | adm8211_rf_write_syn_al2210l(dev, 0x4, 0x77280); | |
822 | adm8211_rf_write_syn_al2210l(dev, 0x5, 0x45641); | |
823 | adm8211_rf_write_syn_al2210l(dev, 0x6, 0xEA130); | |
824 | adm8211_rf_write_syn_al2210l(dev, 0x7, 0x80000); | |
825 | adm8211_rf_write_syn_al2210l(dev, 0x8, 0x7850F); | |
826 | adm8211_rf_write_syn_al2210l(dev, 0x9, 0xF900C); | |
827 | adm8211_rf_write_syn_al2210l(dev, 0xA, 0x00000); | |
828 | adm8211_rf_write_syn_al2210l(dev, 0xB, 0x00000); | |
829 | break; | |
830 | ||
831 | case ADM8211_RFMD2948: | |
832 | default: | |
833 | break; | |
834 | } | |
835 | } | |
836 | ||
837 | static int adm8211_hw_init_bbp(struct ieee80211_hw *dev) | |
838 | { | |
839 | struct adm8211_priv *priv = dev->priv; | |
840 | u32 reg; | |
841 | ||
842 | /* write addresses */ | |
843 | if (priv->bbp_type == ADM8211_TYPE_INTERSIL) { | |
844 | ADM8211_CSR_WRITE(MMIWA, 0x100E0C0A); | |
845 | ADM8211_CSR_WRITE(MMIRD0, 0x00007C7E); | |
846 | ADM8211_CSR_WRITE(MMIRD1, 0x00100000); | |
847 | } else if (priv->bbp_type == ADM8211_TYPE_RFMD || | |
848 | priv->bbp_type == ADM8211_TYPE_ADMTEK) { | |
849 | /* check specific BBP type */ | |
850 | switch (priv->specific_bbptype) { | |
851 | case ADM8211_BBP_RFMD3000: | |
852 | case ADM8211_BBP_RFMD3002: | |
853 | ADM8211_CSR_WRITE(MMIWA, 0x00009101); | |
854 | ADM8211_CSR_WRITE(MMIRD0, 0x00000301); | |
855 | break; | |
856 | ||
857 | case ADM8211_BBP_ADM8011: | |
858 | ADM8211_CSR_WRITE(MMIWA, 0x00008903); | |
859 | ADM8211_CSR_WRITE(MMIRD0, 0x00001716); | |
860 | ||
861 | reg = ADM8211_CSR_READ(BBPCTL); | |
862 | reg &= ~ADM8211_BBPCTL_TYPE; | |
863 | reg |= 0x5 << 18; | |
864 | ADM8211_CSR_WRITE(BBPCTL, reg); | |
865 | break; | |
866 | } | |
867 | ||
f6ac0adf | 868 | switch (priv->pdev->revision) { |
cc0b88cf MW |
869 | case ADM8211_REV_CA: |
870 | if (priv->transceiver_type == ADM8211_RFMD2958 || | |
871 | priv->transceiver_type == ADM8211_RFMD2958_RF3000_CONTROL_POWER || | |
872 | priv->transceiver_type == ADM8211_RFMD2948) | |
873 | ADM8211_CSR_WRITE(SYNCTL, 0x1 << 22); | |
874 | else if (priv->transceiver_type == ADM8211_MAX2820 || | |
875 | priv->transceiver_type == ADM8211_AL2210L) | |
876 | ADM8211_CSR_WRITE(SYNCTL, 0x3 << 22); | |
877 | break; | |
878 | ||
879 | case ADM8211_REV_BA: | |
880 | reg = ADM8211_CSR_READ(MMIRD1); | |
881 | reg &= 0x0000FFFF; | |
882 | reg |= 0x7e100000; | |
883 | ADM8211_CSR_WRITE(MMIRD1, reg); | |
884 | break; | |
885 | ||
886 | case ADM8211_REV_AB: | |
887 | case ADM8211_REV_AF: | |
888 | default: | |
889 | ADM8211_CSR_WRITE(MMIRD1, 0x7e100000); | |
890 | break; | |
891 | } | |
892 | ||
893 | /* For RFMD */ | |
894 | ADM8211_CSR_WRITE(MACTEST, 0x800); | |
895 | } | |
896 | ||
897 | adm8211_hw_init_syn(dev); | |
898 | ||
899 | /* Set RF Power control IF pin to PE1+PHYRST# */ | |
900 | ADM8211_CSR_WRITE(SYNRF, ADM8211_SYNRF_SELRF | | |
901 | ADM8211_SYNRF_PE1 | ADM8211_SYNRF_PHYRST); | |
902 | ADM8211_CSR_READ(SYNRF); | |
903 | msleep(20); | |
904 | ||
905 | /* write BBP regs */ | |
906 | if (priv->bbp_type == ADM8211_TYPE_RFMD) { | |
907 | /* RF3000 BBP */ | |
908 | /* another set: | |
909 | * 11: c8 | |
910 | * 14: 14 | |
911 | * 15: 50 (chan 1..13; chan 14: d0) | |
912 | * 1c: 00 | |
913 | * 1d: 84 | |
914 | */ | |
915 | adm8211_write_bbp(dev, RF3000_CCA_CTRL, 0x80); | |
916 | /* antenna selection: diversity */ | |
917 | adm8211_write_bbp(dev, RF3000_DIVERSITY__RSSI, 0x80); | |
918 | adm8211_write_bbp(dev, RF3000_TX_VAR_GAIN__TX_LEN_EXT, 0x74); | |
919 | adm8211_write_bbp(dev, RF3000_LOW_GAIN_CALIB, 0x38); | |
920 | adm8211_write_bbp(dev, RF3000_HIGH_GAIN_CALIB, 0x40); | |
921 | ||
922 | if (priv->eeprom->major_version < 2) { | |
923 | adm8211_write_bbp(dev, 0x1c, 0x00); | |
924 | adm8211_write_bbp(dev, 0x1d, 0x80); | |
925 | } else { | |
f6ac0adf | 926 | if (priv->pdev->revision == ADM8211_REV_BA) |
cc0b88cf MW |
927 | adm8211_write_bbp(dev, 0x1c, priv->eeprom->cr28); |
928 | else | |
929 | adm8211_write_bbp(dev, 0x1c, 0x00); | |
930 | ||
931 | adm8211_write_bbp(dev, 0x1d, priv->eeprom->cr29); | |
932 | } | |
933 | } else if (priv->bbp_type == ADM8211_TYPE_ADMTEK) { | |
934 | /* reset baseband */ | |
935 | adm8211_write_bbp(dev, 0x00, 0xFF); | |
936 | /* antenna selection: diversity */ | |
937 | adm8211_write_bbp(dev, 0x07, 0x0A); | |
938 | ||
939 | /* TODO: find documentation for this */ | |
940 | switch (priv->transceiver_type) { | |
941 | case ADM8211_RFMD2958: | |
942 | case ADM8211_RFMD2958_RF3000_CONTROL_POWER: | |
943 | adm8211_write_bbp(dev, 0x00, 0x00); | |
944 | adm8211_write_bbp(dev, 0x01, 0x00); | |
945 | adm8211_write_bbp(dev, 0x02, 0x00); | |
946 | adm8211_write_bbp(dev, 0x03, 0x00); | |
947 | adm8211_write_bbp(dev, 0x06, 0x0f); | |
948 | adm8211_write_bbp(dev, 0x09, 0x00); | |
949 | adm8211_write_bbp(dev, 0x0a, 0x00); | |
950 | adm8211_write_bbp(dev, 0x0b, 0x00); | |
951 | adm8211_write_bbp(dev, 0x0c, 0x00); | |
952 | adm8211_write_bbp(dev, 0x0f, 0xAA); | |
953 | adm8211_write_bbp(dev, 0x10, 0x8c); | |
954 | adm8211_write_bbp(dev, 0x11, 0x43); | |
955 | adm8211_write_bbp(dev, 0x18, 0x40); | |
956 | adm8211_write_bbp(dev, 0x20, 0x23); | |
957 | adm8211_write_bbp(dev, 0x21, 0x02); | |
958 | adm8211_write_bbp(dev, 0x22, 0x28); | |
959 | adm8211_write_bbp(dev, 0x23, 0x30); | |
960 | adm8211_write_bbp(dev, 0x24, 0x2d); | |
961 | adm8211_write_bbp(dev, 0x28, 0x35); | |
962 | adm8211_write_bbp(dev, 0x2a, 0x8c); | |
963 | adm8211_write_bbp(dev, 0x2b, 0x81); | |
964 | adm8211_write_bbp(dev, 0x2c, 0x44); | |
965 | adm8211_write_bbp(dev, 0x2d, 0x0A); | |
966 | adm8211_write_bbp(dev, 0x29, 0x40); | |
967 | adm8211_write_bbp(dev, 0x60, 0x08); | |
968 | adm8211_write_bbp(dev, 0x64, 0x01); | |
969 | break; | |
970 | ||
971 | case ADM8211_MAX2820: | |
972 | adm8211_write_bbp(dev, 0x00, 0x00); | |
973 | adm8211_write_bbp(dev, 0x01, 0x00); | |
974 | adm8211_write_bbp(dev, 0x02, 0x00); | |
975 | adm8211_write_bbp(dev, 0x03, 0x00); | |
976 | adm8211_write_bbp(dev, 0x06, 0x0f); | |
977 | adm8211_write_bbp(dev, 0x09, 0x05); | |
978 | adm8211_write_bbp(dev, 0x0a, 0x02); | |
979 | adm8211_write_bbp(dev, 0x0b, 0x00); | |
980 | adm8211_write_bbp(dev, 0x0c, 0x0f); | |
981 | adm8211_write_bbp(dev, 0x0f, 0x55); | |
982 | adm8211_write_bbp(dev, 0x10, 0x8d); | |
983 | adm8211_write_bbp(dev, 0x11, 0x43); | |
984 | adm8211_write_bbp(dev, 0x18, 0x4a); | |
985 | adm8211_write_bbp(dev, 0x20, 0x20); | |
986 | adm8211_write_bbp(dev, 0x21, 0x02); | |
987 | adm8211_write_bbp(dev, 0x22, 0x23); | |
988 | adm8211_write_bbp(dev, 0x23, 0x30); | |
989 | adm8211_write_bbp(dev, 0x24, 0x2d); | |
990 | adm8211_write_bbp(dev, 0x2a, 0x8c); | |
991 | adm8211_write_bbp(dev, 0x2b, 0x81); | |
992 | adm8211_write_bbp(dev, 0x2c, 0x44); | |
993 | adm8211_write_bbp(dev, 0x29, 0x4a); | |
994 | adm8211_write_bbp(dev, 0x60, 0x2b); | |
995 | adm8211_write_bbp(dev, 0x64, 0x01); | |
996 | break; | |
997 | ||
998 | case ADM8211_AL2210L: | |
999 | adm8211_write_bbp(dev, 0x00, 0x00); | |
1000 | adm8211_write_bbp(dev, 0x01, 0x00); | |
1001 | adm8211_write_bbp(dev, 0x02, 0x00); | |
1002 | adm8211_write_bbp(dev, 0x03, 0x00); | |
1003 | adm8211_write_bbp(dev, 0x06, 0x0f); | |
1004 | adm8211_write_bbp(dev, 0x07, 0x05); | |
1005 | adm8211_write_bbp(dev, 0x08, 0x03); | |
1006 | adm8211_write_bbp(dev, 0x09, 0x00); | |
1007 | adm8211_write_bbp(dev, 0x0a, 0x00); | |
1008 | adm8211_write_bbp(dev, 0x0b, 0x00); | |
1009 | adm8211_write_bbp(dev, 0x0c, 0x10); | |
1010 | adm8211_write_bbp(dev, 0x0f, 0x55); | |
1011 | adm8211_write_bbp(dev, 0x10, 0x8d); | |
1012 | adm8211_write_bbp(dev, 0x11, 0x43); | |
1013 | adm8211_write_bbp(dev, 0x18, 0x4a); | |
1014 | adm8211_write_bbp(dev, 0x20, 0x20); | |
1015 | adm8211_write_bbp(dev, 0x21, 0x02); | |
1016 | adm8211_write_bbp(dev, 0x22, 0x23); | |
1017 | adm8211_write_bbp(dev, 0x23, 0x30); | |
1018 | adm8211_write_bbp(dev, 0x24, 0x2d); | |
1019 | adm8211_write_bbp(dev, 0x2a, 0xaa); | |
1020 | adm8211_write_bbp(dev, 0x2b, 0x81); | |
1021 | adm8211_write_bbp(dev, 0x2c, 0x44); | |
1022 | adm8211_write_bbp(dev, 0x29, 0xfa); | |
1023 | adm8211_write_bbp(dev, 0x60, 0x2d); | |
1024 | adm8211_write_bbp(dev, 0x64, 0x01); | |
1025 | break; | |
1026 | ||
1027 | case ADM8211_RFMD2948: | |
1028 | break; | |
1029 | ||
1030 | default: | |
c96c31e4 JP |
1031 | wiphy_debug(dev->wiphy, "unsupported transceiver %d\n", |
1032 | priv->transceiver_type); | |
cc0b88cf MW |
1033 | break; |
1034 | } | |
1035 | } else | |
5db55844 | 1036 | wiphy_debug(dev->wiphy, "unsupported BBP %d\n", priv->bbp_type); |
cc0b88cf MW |
1037 | |
1038 | ADM8211_CSR_WRITE(SYNRF, 0); | |
1039 | ||
1040 | /* Set RF CAL control source to MAC control */ | |
1041 | reg = ADM8211_CSR_READ(SYNCTL); | |
1042 | reg |= ADM8211_SYNCTL_SELCAL; | |
1043 | ADM8211_CSR_WRITE(SYNCTL, reg); | |
1044 | ||
1045 | return 0; | |
1046 | } | |
1047 | ||
1048 | /* configures hw beacons/probe responses */ | |
1049 | static int adm8211_set_rate(struct ieee80211_hw *dev) | |
1050 | { | |
1051 | struct adm8211_priv *priv = dev->priv; | |
1052 | u32 reg; | |
1053 | int i = 0; | |
1054 | u8 rate_buf[12] = {0}; | |
1055 | ||
1056 | /* write supported rates */ | |
f6ac0adf | 1057 | if (priv->pdev->revision != ADM8211_REV_BA) { |
cc0b88cf MW |
1058 | rate_buf[0] = ARRAY_SIZE(adm8211_rates); |
1059 | for (i = 0; i < ARRAY_SIZE(adm8211_rates); i++) | |
8318d78a | 1060 | rate_buf[i + 1] = (adm8211_rates[i].bitrate / 5) | 0x80; |
cc0b88cf MW |
1061 | } else { |
1062 | /* workaround for rev BA specific bug */ | |
1063 | rate_buf[0] = 0x04; | |
1064 | rate_buf[1] = 0x82; | |
1065 | rate_buf[2] = 0x04; | |
1066 | rate_buf[3] = 0x0b; | |
1067 | rate_buf[4] = 0x16; | |
1068 | } | |
1069 | ||
1070 | adm8211_write_sram_bytes(dev, ADM8211_SRAM_SUPP_RATE, rate_buf, | |
1071 | ARRAY_SIZE(adm8211_rates) + 1); | |
1072 | ||
1073 | reg = ADM8211_CSR_READ(PLCPHD) & 0x00FFFFFF; /* keep bits 0-23 */ | |
1074 | reg |= 1 << 15; /* short preamble */ | |
1075 | reg |= 110 << 24; | |
1076 | ADM8211_CSR_WRITE(PLCPHD, reg); | |
1077 | ||
1078 | /* MTMLT = 512 TU (max TX MSDU lifetime) | |
1079 | * BCNTSIG = plcp_signal (beacon, probe resp, and atim TX rate) | |
1080 | * SRTYLIM = 224 (short retry limit, TX header value is default) */ | |
1081 | ADM8211_CSR_WRITE(TXLMT, (512 << 16) | (110 << 8) | (224 << 0)); | |
1082 | ||
1083 | return 0; | |
1084 | } | |
1085 | ||
1086 | static void adm8211_hw_init(struct ieee80211_hw *dev) | |
1087 | { | |
1088 | struct adm8211_priv *priv = dev->priv; | |
1089 | u32 reg; | |
1090 | u8 cline; | |
1091 | ||
e63e3fa7 | 1092 | reg = ADM8211_CSR_READ(PAR); |
cc0b88cf MW |
1093 | reg |= ADM8211_PAR_MRLE | ADM8211_PAR_MRME; |
1094 | reg &= ~(ADM8211_PAR_BAR | ADM8211_PAR_CAL); | |
1095 | ||
1096 | if (!pci_set_mwi(priv->pdev)) { | |
1097 | reg |= 0x1 << 24; | |
1098 | pci_read_config_byte(priv->pdev, PCI_CACHE_LINE_SIZE, &cline); | |
1099 | ||
1100 | switch (cline) { | |
f5c65f38 OK |
1101 | case 0x8: |
1102 | reg |= (0x1 << 14); | |
1103 | break; | |
fe0a483e | 1104 | case 0x10: |
f5c65f38 OK |
1105 | reg |= (0x2 << 14); |
1106 | break; | |
fe0a483e | 1107 | case 0x20: |
f5c65f38 OK |
1108 | reg |= (0x3 << 14); |
1109 | break; | |
1110 | default: | |
1111 | reg |= (0x0 << 14); | |
1112 | break; | |
cc0b88cf MW |
1113 | } |
1114 | } | |
1115 | ||
1116 | ADM8211_CSR_WRITE(PAR, reg); | |
1117 | ||
1118 | reg = ADM8211_CSR_READ(CSR_TEST1); | |
1119 | reg &= ~(0xF << 28); | |
1120 | reg |= (1 << 28) | (1 << 31); | |
1121 | ADM8211_CSR_WRITE(CSR_TEST1, reg); | |
1122 | ||
1123 | /* lose link after 4 lost beacons */ | |
1124 | reg = (0x04 << 21) | ADM8211_WCSR_TSFTWE | ADM8211_WCSR_LSOE; | |
1125 | ADM8211_CSR_WRITE(WCSR, reg); | |
1126 | ||
1127 | /* Disable APM, enable receive FIFO threshold, and set drain receive | |
1128 | * threshold to store-and-forward */ | |
1129 | reg = ADM8211_CSR_READ(CMDR); | |
1130 | reg &= ~(ADM8211_CMDR_APM | ADM8211_CMDR_DRT); | |
1131 | reg |= ADM8211_CMDR_RTE | ADM8211_CMDR_DRT_SF; | |
1132 | ADM8211_CSR_WRITE(CMDR, reg); | |
1133 | ||
1134 | adm8211_set_rate(dev); | |
1135 | ||
1136 | /* 4-bit values: | |
1137 | * PWR1UP = 8 * 2 ms | |
1138 | * PWR0PAPE = 8 us or 5 us | |
1139 | * PWR1PAPE = 1 us or 3 us | |
1140 | * PWR0TRSW = 5 us | |
1141 | * PWR1TRSW = 12 us | |
1142 | * PWR0PE2 = 13 us | |
1143 | * PWR1PE2 = 1 us | |
1144 | * PWR0TXPE = 8 or 6 */ | |
f6ac0adf | 1145 | if (priv->pdev->revision < ADM8211_REV_CA) |
cc0b88cf MW |
1146 | ADM8211_CSR_WRITE(TOFS2, 0x8815cd18); |
1147 | else | |
1148 | ADM8211_CSR_WRITE(TOFS2, 0x8535cd16); | |
1149 | ||
1150 | /* Enable store and forward for transmit */ | |
1151 | priv->nar = ADM8211_NAR_SF | ADM8211_NAR_PB; | |
1152 | ADM8211_CSR_WRITE(NAR, priv->nar); | |
1153 | ||
1154 | /* Reset RF */ | |
1155 | ADM8211_CSR_WRITE(SYNRF, ADM8211_SYNRF_RADIO); | |
1156 | ADM8211_CSR_READ(SYNRF); | |
1157 | msleep(10); | |
1158 | ADM8211_CSR_WRITE(SYNRF, 0); | |
1159 | ADM8211_CSR_READ(SYNRF); | |
1160 | msleep(5); | |
1161 | ||
1162 | /* Set CFP Max Duration to 0x10 TU */ | |
1163 | reg = ADM8211_CSR_READ(CFPP); | |
1164 | reg &= ~(0xffff << 8); | |
1165 | reg |= 0x0010 << 8; | |
1166 | ADM8211_CSR_WRITE(CFPP, reg); | |
1167 | ||
1168 | /* USCNT = 0x16 (number of system clocks, 22 MHz, in 1us | |
1169 | * TUCNT = 0x3ff - Tu counter 1024 us */ | |
1170 | ADM8211_CSR_WRITE(TOFS0, (0x16 << 24) | 0x3ff); | |
1171 | ||
1172 | /* SLOT=20 us, SIFS=110 cycles of 22 MHz (5 us), | |
1173 | * DIFS=50 us, EIFS=100 us */ | |
f6ac0adf | 1174 | if (priv->pdev->revision < ADM8211_REV_CA) |
cc0b88cf MW |
1175 | ADM8211_CSR_WRITE(IFST, (20 << 23) | (110 << 15) | |
1176 | (50 << 9) | 100); | |
1177 | else | |
1178 | ADM8211_CSR_WRITE(IFST, (20 << 23) | (24 << 15) | | |
1179 | (50 << 9) | 100); | |
1180 | ||
1181 | /* PCNT = 1 (MAC idle time awake/sleep, unit S) | |
1182 | * RMRD = 2346 * 8 + 1 us (max RX duration) */ | |
1183 | ADM8211_CSR_WRITE(RMD, (1 << 16) | 18769); | |
1184 | ||
1185 | /* MART=65535 us, MIRT=256 us, TSFTOFST=0 us */ | |
1186 | ADM8211_CSR_WRITE(RSPT, 0xffffff00); | |
1187 | ||
1188 | /* Initialize BBP (and SYN) */ | |
1189 | adm8211_hw_init_bbp(dev); | |
1190 | ||
1191 | /* make sure interrupts are off */ | |
1192 | ADM8211_CSR_WRITE(IER, 0); | |
1193 | ||
1194 | /* ACK interrupts */ | |
1195 | ADM8211_CSR_WRITE(STSR, ADM8211_CSR_READ(STSR)); | |
1196 | ||
1197 | /* Setup WEP (turns it off for now) */ | |
1198 | reg = ADM8211_CSR_READ(MACTEST); | |
1199 | reg &= ~(7 << 20); | |
1200 | ADM8211_CSR_WRITE(MACTEST, reg); | |
1201 | ||
1202 | reg = ADM8211_CSR_READ(WEPCTL); | |
1203 | reg &= ~ADM8211_WEPCTL_WEPENABLE; | |
1204 | reg |= ADM8211_WEPCTL_WEPRXBYP; | |
1205 | ADM8211_CSR_WRITE(WEPCTL, reg); | |
1206 | ||
1207 | /* Clear the missed-packet counter. */ | |
1208 | ADM8211_CSR_READ(LPC); | |
cc0b88cf MW |
1209 | } |
1210 | ||
1211 | static int adm8211_hw_reset(struct ieee80211_hw *dev) | |
1212 | { | |
1213 | struct adm8211_priv *priv = dev->priv; | |
1214 | u32 reg, tmp; | |
1215 | int timeout = 100; | |
1216 | ||
1217 | /* Power-on issue */ | |
1218 | /* TODO: check if this is necessary */ | |
1219 | ADM8211_CSR_WRITE(FRCTL, 0); | |
1220 | ||
1221 | /* Reset the chip */ | |
1222 | tmp = ADM8211_CSR_READ(PAR); | |
1223 | ADM8211_CSR_WRITE(PAR, ADM8211_PAR_SWR); | |
1224 | ||
1225 | while ((ADM8211_CSR_READ(PAR) & ADM8211_PAR_SWR) && timeout--) | |
1226 | msleep(50); | |
1227 | ||
1228 | if (timeout <= 0) | |
1229 | return -ETIMEDOUT; | |
1230 | ||
1231 | ADM8211_CSR_WRITE(PAR, tmp); | |
1232 | ||
f6ac0adf | 1233 | if (priv->pdev->revision == ADM8211_REV_BA && |
cc0b88cf MW |
1234 | (priv->transceiver_type == ADM8211_RFMD2958_RF3000_CONTROL_POWER || |
1235 | priv->transceiver_type == ADM8211_RFMD2958)) { | |
1236 | reg = ADM8211_CSR_READ(CSR_TEST1); | |
1237 | reg |= (1 << 4) | (1 << 5); | |
1238 | ADM8211_CSR_WRITE(CSR_TEST1, reg); | |
f6ac0adf | 1239 | } else if (priv->pdev->revision == ADM8211_REV_CA) { |
cc0b88cf MW |
1240 | reg = ADM8211_CSR_READ(CSR_TEST1); |
1241 | reg &= ~((1 << 4) | (1 << 5)); | |
1242 | ADM8211_CSR_WRITE(CSR_TEST1, reg); | |
1243 | } | |
1244 | ||
1245 | ADM8211_CSR_WRITE(FRCTL, 0); | |
1246 | ||
1247 | reg = ADM8211_CSR_READ(CSR_TEST0); | |
1248 | reg |= ADM8211_CSR_TEST0_EPRLD; /* EEPROM Recall */ | |
1249 | ADM8211_CSR_WRITE(CSR_TEST0, reg); | |
1250 | ||
1251 | adm8211_clear_sram(dev); | |
1252 | ||
1253 | return 0; | |
1254 | } | |
1255 | ||
37a41b4a EP |
1256 | static u64 adm8211_get_tsft(struct ieee80211_hw *dev, |
1257 | struct ieee80211_vif *vif) | |
cc0b88cf MW |
1258 | { |
1259 | struct adm8211_priv *priv = dev->priv; | |
1260 | u32 tsftl; | |
1261 | u64 tsft; | |
1262 | ||
1263 | tsftl = ADM8211_CSR_READ(TSFTL); | |
1264 | tsft = ADM8211_CSR_READ(TSFTH); | |
1265 | tsft <<= 32; | |
1266 | tsft |= tsftl; | |
1267 | ||
1268 | return tsft; | |
1269 | } | |
1270 | ||
1271 | static void adm8211_set_interval(struct ieee80211_hw *dev, | |
1272 | unsigned short bi, unsigned short li) | |
1273 | { | |
1274 | struct adm8211_priv *priv = dev->priv; | |
1275 | u32 reg; | |
1276 | ||
1277 | /* BP (beacon interval) = data->beacon_interval | |
1278 | * LI (listen interval) = data->listen_interval (in beacon intervals) */ | |
1279 | reg = (bi << 16) | li; | |
1280 | ADM8211_CSR_WRITE(BPLI, reg); | |
1281 | } | |
1282 | ||
4150c572 | 1283 | static void adm8211_set_bssid(struct ieee80211_hw *dev, const u8 *bssid) |
cc0b88cf MW |
1284 | { |
1285 | struct adm8211_priv *priv = dev->priv; | |
1286 | u32 reg; | |
1287 | ||
fb9bc28f | 1288 | ADM8211_CSR_WRITE(BSSID0, le32_to_cpu(*(__le32 *)bssid)); |
cc0b88cf MW |
1289 | reg = ADM8211_CSR_READ(ABDA1); |
1290 | reg &= 0x0000ffff; | |
1291 | reg |= (bssid[4] << 16) | (bssid[5] << 24); | |
1292 | ADM8211_CSR_WRITE(ABDA1, reg); | |
1293 | } | |
1294 | ||
e8975581 | 1295 | static int adm8211_config(struct ieee80211_hw *dev, u32 changed) |
cc0b88cf MW |
1296 | { |
1297 | struct adm8211_priv *priv = dev->priv; | |
e8975581 | 1298 | struct ieee80211_conf *conf = &dev->conf; |
675a0b04 KB |
1299 | int channel = |
1300 | ieee80211_frequency_to_channel(conf->chandef.chan->center_freq); | |
cc0b88cf | 1301 | |
8318d78a JB |
1302 | if (channel != priv->channel) { |
1303 | priv->channel = channel; | |
cc0b88cf MW |
1304 | adm8211_rf_set_channel(dev, priv->channel); |
1305 | } | |
1306 | ||
1307 | return 0; | |
1308 | } | |
1309 | ||
2d0ddec5 JB |
1310 | static void adm8211_bss_info_changed(struct ieee80211_hw *dev, |
1311 | struct ieee80211_vif *vif, | |
1312 | struct ieee80211_bss_conf *conf, | |
1313 | u32 changes) | |
cc0b88cf MW |
1314 | { |
1315 | struct adm8211_priv *priv = dev->priv; | |
1316 | ||
2d0ddec5 JB |
1317 | if (!(changes & BSS_CHANGED_BSSID)) |
1318 | return; | |
1319 | ||
692e5167 | 1320 | if (!ether_addr_equal(conf->bssid, priv->bssid)) { |
cc0b88cf MW |
1321 | adm8211_set_bssid(dev, conf->bssid); |
1322 | memcpy(priv->bssid, conf->bssid, ETH_ALEN); | |
1323 | } | |
cc0b88cf MW |
1324 | } |
1325 | ||
3ac64bee | 1326 | static u64 adm8211_prepare_multicast(struct ieee80211_hw *hw, |
22bedad3 | 1327 | struct netdev_hw_addr_list *mc_list) |
3ac64bee | 1328 | { |
22bedad3 | 1329 | unsigned int bit_nr; |
3ac64bee | 1330 | u32 mc_filter[2]; |
22bedad3 | 1331 | struct netdev_hw_addr *ha; |
3ac64bee JB |
1332 | |
1333 | mc_filter[1] = mc_filter[0] = 0; | |
1334 | ||
22bedad3 JP |
1335 | netdev_hw_addr_list_for_each(ha, mc_list) { |
1336 | bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26; | |
3ac64bee JB |
1337 | |
1338 | bit_nr &= 0x3F; | |
1339 | mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31); | |
3ac64bee JB |
1340 | } |
1341 | ||
1342 | return mc_filter[0] | ((u64)(mc_filter[1]) << 32); | |
1343 | } | |
1344 | ||
4150c572 JB |
1345 | static void adm8211_configure_filter(struct ieee80211_hw *dev, |
1346 | unsigned int changed_flags, | |
1347 | unsigned int *total_flags, | |
3ac64bee | 1348 | u64 multicast) |
4150c572 JB |
1349 | { |
1350 | static const u8 bcast[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; | |
1351 | struct adm8211_priv *priv = dev->priv; | |
3ac64bee | 1352 | unsigned int new_flags; |
4150c572 | 1353 | u32 mc_filter[2]; |
3ac64bee JB |
1354 | |
1355 | mc_filter[0] = multicast; | |
1356 | mc_filter[1] = multicast >> 32; | |
4150c572 JB |
1357 | |
1358 | new_flags = 0; | |
1359 | ||
df140465 | 1360 | if (*total_flags & FIF_ALLMULTI || multicast == ~(0ULL)) { |
4150c572 JB |
1361 | new_flags |= FIF_ALLMULTI; |
1362 | priv->nar &= ~ADM8211_NAR_PR; | |
1363 | priv->nar |= ADM8211_NAR_MM; | |
1364 | mc_filter[1] = mc_filter[0] = ~0; | |
1365 | } else { | |
1366 | priv->nar &= ~(ADM8211_NAR_MM | ADM8211_NAR_PR); | |
4150c572 JB |
1367 | } |
1368 | ||
1369 | ADM8211_IDLE_RX(); | |
1370 | ||
1371 | ADM8211_CSR_WRITE(MAR0, mc_filter[0]); | |
1372 | ADM8211_CSR_WRITE(MAR1, mc_filter[1]); | |
1373 | ADM8211_CSR_READ(NAR); | |
1374 | ||
1375 | if (priv->nar & ADM8211_NAR_PR) | |
30686bf7 | 1376 | ieee80211_hw_set(dev, RX_INCLUDES_FCS); |
4150c572 | 1377 | else |
30686bf7 | 1378 | __clear_bit(IEEE80211_HW_RX_INCLUDES_FCS, dev->flags); |
4150c572 JB |
1379 | |
1380 | if (*total_flags & FIF_BCN_PRBRESP_PROMISC) | |
1381 | adm8211_set_bssid(dev, bcast); | |
1382 | else | |
1383 | adm8211_set_bssid(dev, priv->bssid); | |
1384 | ||
1385 | ADM8211_RESTORE(); | |
1386 | ||
1387 | *total_flags = new_flags; | |
1388 | } | |
1389 | ||
cc0b88cf | 1390 | static int adm8211_add_interface(struct ieee80211_hw *dev, |
1ed32e4f | 1391 | struct ieee80211_vif *vif) |
cc0b88cf MW |
1392 | { |
1393 | struct adm8211_priv *priv = dev->priv; | |
05c914fe | 1394 | if (priv->mode != NL80211_IFTYPE_MONITOR) |
4150c572 | 1395 | return -EOPNOTSUPP; |
cc0b88cf | 1396 | |
1ed32e4f | 1397 | switch (vif->type) { |
05c914fe | 1398 | case NL80211_IFTYPE_STATION: |
1ed32e4f | 1399 | priv->mode = vif->type; |
cc0b88cf MW |
1400 | break; |
1401 | default: | |
1402 | return -EOPNOTSUPP; | |
1403 | } | |
1404 | ||
4150c572 JB |
1405 | ADM8211_IDLE(); |
1406 | ||
1ed32e4f JB |
1407 | ADM8211_CSR_WRITE(PAR0, le32_to_cpu(*(__le32 *)vif->addr)); |
1408 | ADM8211_CSR_WRITE(PAR1, le16_to_cpu(*(__le16 *)(vif->addr + 4))); | |
4150c572 JB |
1409 | |
1410 | adm8211_update_mode(dev); | |
1411 | ||
1412 | ADM8211_RESTORE(); | |
cc0b88cf MW |
1413 | |
1414 | return 0; | |
1415 | } | |
1416 | ||
1417 | static void adm8211_remove_interface(struct ieee80211_hw *dev, | |
1ed32e4f | 1418 | struct ieee80211_vif *vif) |
cc0b88cf MW |
1419 | { |
1420 | struct adm8211_priv *priv = dev->priv; | |
05c914fe | 1421 | priv->mode = NL80211_IFTYPE_MONITOR; |
cc0b88cf MW |
1422 | } |
1423 | ||
1424 | static int adm8211_init_rings(struct ieee80211_hw *dev) | |
1425 | { | |
1426 | struct adm8211_priv *priv = dev->priv; | |
1427 | struct adm8211_desc *desc = NULL; | |
1428 | struct adm8211_rx_ring_info *rx_info; | |
1429 | struct adm8211_tx_ring_info *tx_info; | |
1430 | unsigned int i; | |
1431 | ||
1432 | for (i = 0; i < priv->rx_ring_size; i++) { | |
1433 | desc = &priv->rx_ring[i]; | |
1434 | desc->status = 0; | |
1435 | desc->length = cpu_to_le32(RX_PKT_SIZE); | |
1436 | priv->rx_buffers[i].skb = NULL; | |
1437 | } | |
1438 | /* Mark the end of RX ring; hw returns to base address after this | |
1439 | * descriptor */ | |
1440 | desc->length |= cpu_to_le32(RDES1_CONTROL_RER); | |
1441 | ||
1442 | for (i = 0; i < priv->rx_ring_size; i++) { | |
1443 | desc = &priv->rx_ring[i]; | |
1444 | rx_info = &priv->rx_buffers[i]; | |
1445 | ||
1446 | rx_info->skb = dev_alloc_skb(RX_PKT_SIZE); | |
1447 | if (rx_info->skb == NULL) | |
1448 | break; | |
1449 | rx_info->mapping = pci_map_single(priv->pdev, | |
1450 | skb_tail_pointer(rx_info->skb), | |
1451 | RX_PKT_SIZE, | |
1452 | PCI_DMA_FROMDEVICE); | |
1453 | desc->buffer1 = cpu_to_le32(rx_info->mapping); | |
1454 | desc->status = cpu_to_le32(RDES0_STATUS_OWN | RDES0_STATUS_SQL); | |
1455 | } | |
1456 | ||
1457 | /* Setup TX ring. TX buffers descriptors will be filled in as needed */ | |
1458 | for (i = 0; i < priv->tx_ring_size; i++) { | |
1459 | desc = &priv->tx_ring[i]; | |
1460 | tx_info = &priv->tx_buffers[i]; | |
1461 | ||
1462 | tx_info->skb = NULL; | |
1463 | tx_info->mapping = 0; | |
1464 | desc->status = 0; | |
1465 | } | |
1466 | desc->length = cpu_to_le32(TDES1_CONTROL_TER); | |
1467 | ||
1468 | priv->cur_rx = priv->cur_tx = priv->dirty_tx = 0; | |
1469 | ADM8211_CSR_WRITE(RDB, priv->rx_ring_dma); | |
1470 | ADM8211_CSR_WRITE(TDBD, priv->tx_ring_dma); | |
1471 | ||
1472 | return 0; | |
1473 | } | |
1474 | ||
1475 | static void adm8211_free_rings(struct ieee80211_hw *dev) | |
1476 | { | |
1477 | struct adm8211_priv *priv = dev->priv; | |
1478 | unsigned int i; | |
1479 | ||
1480 | for (i = 0; i < priv->rx_ring_size; i++) { | |
1481 | if (!priv->rx_buffers[i].skb) | |
1482 | continue; | |
1483 | ||
1484 | pci_unmap_single( | |
1485 | priv->pdev, | |
1486 | priv->rx_buffers[i].mapping, | |
1487 | RX_PKT_SIZE, PCI_DMA_FROMDEVICE); | |
1488 | ||
1489 | dev_kfree_skb(priv->rx_buffers[i].skb); | |
1490 | } | |
1491 | ||
1492 | for (i = 0; i < priv->tx_ring_size; i++) { | |
1493 | if (!priv->tx_buffers[i].skb) | |
1494 | continue; | |
1495 | ||
1496 | pci_unmap_single(priv->pdev, | |
1497 | priv->tx_buffers[i].mapping, | |
1498 | priv->tx_buffers[i].skb->len, | |
1499 | PCI_DMA_TODEVICE); | |
1500 | ||
1501 | dev_kfree_skb(priv->tx_buffers[i].skb); | |
1502 | } | |
1503 | } | |
1504 | ||
4150c572 | 1505 | static int adm8211_start(struct ieee80211_hw *dev) |
cc0b88cf MW |
1506 | { |
1507 | struct adm8211_priv *priv = dev->priv; | |
1508 | int retval; | |
1509 | ||
1510 | /* Power up MAC and RF chips */ | |
1511 | retval = adm8211_hw_reset(dev); | |
1512 | if (retval) { | |
c96c31e4 | 1513 | wiphy_err(dev->wiphy, "hardware reset failed\n"); |
cc0b88cf MW |
1514 | goto fail; |
1515 | } | |
1516 | ||
1517 | retval = adm8211_init_rings(dev); | |
1518 | if (retval) { | |
c96c31e4 | 1519 | wiphy_err(dev->wiphy, "failed to initialize rings\n"); |
cc0b88cf MW |
1520 | goto fail; |
1521 | } | |
1522 | ||
1523 | /* Init hardware */ | |
1524 | adm8211_hw_init(dev); | |
1525 | adm8211_rf_set_channel(dev, priv->channel); | |
1526 | ||
fe4eb548 | 1527 | retval = request_irq(priv->pdev->irq, adm8211_interrupt, |
cc0b88cf MW |
1528 | IRQF_SHARED, "adm8211", dev); |
1529 | if (retval) { | |
5db55844 | 1530 | wiphy_err(dev->wiphy, "failed to register IRQ handler\n"); |
cc0b88cf MW |
1531 | goto fail; |
1532 | } | |
1533 | ||
1534 | ADM8211_CSR_WRITE(IER, ADM8211_IER_NIE | ADM8211_IER_AIE | | |
1535 | ADM8211_IER_RCIE | ADM8211_IER_TCIE | | |
1536 | ADM8211_IER_TDUIE | ADM8211_IER_GPTIE); | |
05c914fe | 1537 | priv->mode = NL80211_IFTYPE_MONITOR; |
cc0b88cf MW |
1538 | adm8211_update_mode(dev); |
1539 | ADM8211_CSR_WRITE(RDR, 0); | |
1540 | ||
1541 | adm8211_set_interval(dev, 100, 10); | |
1542 | return 0; | |
1543 | ||
1544 | fail: | |
1545 | return retval; | |
1546 | } | |
1547 | ||
4150c572 | 1548 | static void adm8211_stop(struct ieee80211_hw *dev) |
cc0b88cf MW |
1549 | { |
1550 | struct adm8211_priv *priv = dev->priv; | |
1551 | ||
05c914fe | 1552 | priv->mode = NL80211_IFTYPE_UNSPECIFIED; |
cc0b88cf MW |
1553 | priv->nar = 0; |
1554 | ADM8211_CSR_WRITE(NAR, 0); | |
1555 | ADM8211_CSR_WRITE(IER, 0); | |
1556 | ADM8211_CSR_READ(NAR); | |
1557 | ||
1558 | free_irq(priv->pdev->irq, dev); | |
1559 | ||
1560 | adm8211_free_rings(dev); | |
cc0b88cf MW |
1561 | } |
1562 | ||
1563 | static void adm8211_calc_durations(int *dur, int *plcp, size_t payload_len, int len, | |
1564 | int plcp_signal, int short_preamble) | |
1565 | { | |
1566 | /* Alternative calculation from NetBSD: */ | |
1567 | ||
1568 | /* IEEE 802.11b durations for DSSS PHY in microseconds */ | |
1569 | #define IEEE80211_DUR_DS_LONG_PREAMBLE 144 | |
1570 | #define IEEE80211_DUR_DS_SHORT_PREAMBLE 72 | |
1571 | #define IEEE80211_DUR_DS_FAST_PLCPHDR 24 | |
1572 | #define IEEE80211_DUR_DS_SLOW_PLCPHDR 48 | |
1573 | #define IEEE80211_DUR_DS_SLOW_ACK 112 | |
1574 | #define IEEE80211_DUR_DS_FAST_ACK 56 | |
1575 | #define IEEE80211_DUR_DS_SLOW_CTS 112 | |
1576 | #define IEEE80211_DUR_DS_FAST_CTS 56 | |
1577 | #define IEEE80211_DUR_DS_SLOT 20 | |
1578 | #define IEEE80211_DUR_DS_SIFS 10 | |
1579 | ||
1580 | int remainder; | |
1581 | ||
1582 | *dur = (80 * (24 + payload_len) + plcp_signal - 1) | |
1583 | / plcp_signal; | |
1584 | ||
1585 | if (plcp_signal <= PLCP_SIGNAL_2M) | |
1586 | /* 1-2Mbps WLAN: send ACK/CTS at 1Mbps */ | |
1587 | *dur += 3 * (IEEE80211_DUR_DS_SIFS + | |
1588 | IEEE80211_DUR_DS_SHORT_PREAMBLE + | |
1589 | IEEE80211_DUR_DS_FAST_PLCPHDR) + | |
1590 | IEEE80211_DUR_DS_SLOW_CTS + IEEE80211_DUR_DS_SLOW_ACK; | |
1591 | else | |
1592 | /* 5-11Mbps WLAN: send ACK/CTS at 2Mbps */ | |
1593 | *dur += 3 * (IEEE80211_DUR_DS_SIFS + | |
1594 | IEEE80211_DUR_DS_SHORT_PREAMBLE + | |
1595 | IEEE80211_DUR_DS_FAST_PLCPHDR) + | |
1596 | IEEE80211_DUR_DS_FAST_CTS + IEEE80211_DUR_DS_FAST_ACK; | |
1597 | ||
1598 | /* lengthen duration if long preamble */ | |
1599 | if (!short_preamble) | |
1600 | *dur += 3 * (IEEE80211_DUR_DS_LONG_PREAMBLE - | |
1601 | IEEE80211_DUR_DS_SHORT_PREAMBLE) + | |
1602 | 3 * (IEEE80211_DUR_DS_SLOW_PLCPHDR - | |
1603 | IEEE80211_DUR_DS_FAST_PLCPHDR); | |
1604 | ||
1605 | ||
1606 | *plcp = (80 * len) / plcp_signal; | |
1607 | remainder = (80 * len) % plcp_signal; | |
1608 | if (plcp_signal == PLCP_SIGNAL_11M && | |
1609 | remainder <= 30 && remainder > 0) | |
1610 | *plcp = (*plcp | 0x8000) + 1; | |
1611 | else if (remainder) | |
1612 | (*plcp)++; | |
1613 | } | |
1614 | ||
1615 | /* Transmit skb w/adm8211_tx_hdr (802.11 header created by hardware) */ | |
1616 | static void adm8211_tx_raw(struct ieee80211_hw *dev, struct sk_buff *skb, | |
1617 | u16 plcp_signal, | |
cc0b88cf MW |
1618 | size_t hdrlen) |
1619 | { | |
1620 | struct adm8211_priv *priv = dev->priv; | |
1621 | unsigned long flags; | |
1622 | dma_addr_t mapping; | |
1623 | unsigned int entry; | |
1624 | u32 flag; | |
1625 | ||
1626 | mapping = pci_map_single(priv->pdev, skb->data, skb->len, | |
1627 | PCI_DMA_TODEVICE); | |
1628 | ||
1629 | spin_lock_irqsave(&priv->lock, flags); | |
1630 | ||
1631 | if (priv->cur_tx - priv->dirty_tx == priv->tx_ring_size / 2) | |
1632 | flag = TDES1_CONTROL_IC | TDES1_CONTROL_LS | TDES1_CONTROL_FS; | |
1633 | else | |
1634 | flag = TDES1_CONTROL_LS | TDES1_CONTROL_FS; | |
1635 | ||
1636 | if (priv->cur_tx - priv->dirty_tx == priv->tx_ring_size - 2) | |
1637 | ieee80211_stop_queue(dev, 0); | |
1638 | ||
1639 | entry = priv->cur_tx % priv->tx_ring_size; | |
1640 | ||
1641 | priv->tx_buffers[entry].skb = skb; | |
1642 | priv->tx_buffers[entry].mapping = mapping; | |
cc0b88cf MW |
1643 | priv->tx_buffers[entry].hdrlen = hdrlen; |
1644 | priv->tx_ring[entry].buffer1 = cpu_to_le32(mapping); | |
1645 | ||
1646 | if (entry == priv->tx_ring_size - 1) | |
1647 | flag |= TDES1_CONTROL_TER; | |
1648 | priv->tx_ring[entry].length = cpu_to_le32(flag | skb->len); | |
1649 | ||
1650 | /* Set TX rate (SIGNAL field in PLCP PPDU format) */ | |
1651 | flag = TDES0_CONTROL_OWN | (plcp_signal << 20) | 8 /* ? */; | |
1652 | priv->tx_ring[entry].status = cpu_to_le32(flag); | |
1653 | ||
1654 | priv->cur_tx++; | |
1655 | ||
1656 | spin_unlock_irqrestore(&priv->lock, flags); | |
1657 | ||
1658 | /* Trigger transmit poll */ | |
1659 | ADM8211_CSR_WRITE(TDR, 0); | |
1660 | } | |
1661 | ||
1662 | /* Put adm8211_tx_hdr on skb and transmit */ | |
36323f81 TH |
1663 | static void adm8211_tx(struct ieee80211_hw *dev, |
1664 | struct ieee80211_tx_control *control, | |
1665 | struct sk_buff *skb) | |
cc0b88cf MW |
1666 | { |
1667 | struct adm8211_tx_hdr *txhdr; | |
cc0b88cf MW |
1668 | size_t payload_len, hdrlen; |
1669 | int plcp, dur, len, plcp_signal, short_preamble; | |
1670 | struct ieee80211_hdr *hdr; | |
e039fa4a JB |
1671 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); |
1672 | struct ieee80211_rate *txrate = ieee80211_get_tx_rate(dev, info); | |
e6a9854b | 1673 | u8 rc_flags; |
cc0b88cf | 1674 | |
e6a9854b JB |
1675 | rc_flags = info->control.rates[0].flags; |
1676 | short_preamble = !!(rc_flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE); | |
2e92e6f2 | 1677 | plcp_signal = txrate->bitrate; |
cc0b88cf MW |
1678 | |
1679 | hdr = (struct ieee80211_hdr *)skb->data; | |
316af76f | 1680 | hdrlen = ieee80211_hdrlen(hdr->frame_control); |
cc0b88cf MW |
1681 | memcpy(skb->cb, skb->data, hdrlen); |
1682 | hdr = (struct ieee80211_hdr *)skb->cb; | |
1683 | skb_pull(skb, hdrlen); | |
1684 | payload_len = skb->len; | |
1685 | ||
1686 | txhdr = (struct adm8211_tx_hdr *) skb_push(skb, sizeof(*txhdr)); | |
1687 | memset(txhdr, 0, sizeof(*txhdr)); | |
1688 | memcpy(txhdr->da, ieee80211_get_DA(hdr), ETH_ALEN); | |
1689 | txhdr->signal = plcp_signal; | |
1690 | txhdr->frame_body_size = cpu_to_le16(payload_len); | |
1691 | txhdr->frame_control = hdr->frame_control; | |
1692 | ||
1693 | len = hdrlen + payload_len + FCS_LEN; | |
cc0b88cf MW |
1694 | |
1695 | txhdr->frag = cpu_to_le16(0x0FFF); | |
1696 | adm8211_calc_durations(&dur, &plcp, payload_len, | |
1697 | len, plcp_signal, short_preamble); | |
1698 | txhdr->plcp_frag_head_len = cpu_to_le16(plcp); | |
1699 | txhdr->plcp_frag_tail_len = cpu_to_le16(plcp); | |
1700 | txhdr->dur_frag_head = cpu_to_le16(dur); | |
1701 | txhdr->dur_frag_tail = cpu_to_le16(dur); | |
1702 | ||
1703 | txhdr->header_control = cpu_to_le16(ADM8211_TXHDRCTL_ENABLE_EXTEND_HEADER); | |
1704 | ||
1705 | if (short_preamble) | |
1706 | txhdr->header_control |= cpu_to_le16(ADM8211_TXHDRCTL_SHORT_PREAMBLE); | |
1707 | ||
e6a9854b | 1708 | if (rc_flags & IEEE80211_TX_RC_USE_RTS_CTS) |
cc0b88cf MW |
1709 | txhdr->header_control |= cpu_to_le16(ADM8211_TXHDRCTL_ENABLE_RTS); |
1710 | ||
e6a9854b | 1711 | txhdr->retry_limit = info->control.rates[0].count; |
cc0b88cf | 1712 | |
e039fa4a | 1713 | adm8211_tx_raw(dev, skb, plcp_signal, hdrlen); |
cc0b88cf MW |
1714 | } |
1715 | ||
1716 | static int adm8211_alloc_rings(struct ieee80211_hw *dev) | |
1717 | { | |
1718 | struct adm8211_priv *priv = dev->priv; | |
1719 | unsigned int ring_size; | |
1720 | ||
1721 | priv->rx_buffers = kmalloc(sizeof(*priv->rx_buffers) * priv->rx_ring_size + | |
1722 | sizeof(*priv->tx_buffers) * priv->tx_ring_size, GFP_KERNEL); | |
1723 | if (!priv->rx_buffers) | |
1724 | return -ENOMEM; | |
1725 | ||
1726 | priv->tx_buffers = (void *)priv->rx_buffers + | |
1727 | sizeof(*priv->rx_buffers) * priv->rx_ring_size; | |
1728 | ||
1729 | /* Allocate TX/RX descriptors */ | |
1730 | ring_size = sizeof(struct adm8211_desc) * priv->rx_ring_size + | |
1731 | sizeof(struct adm8211_desc) * priv->tx_ring_size; | |
1732 | priv->rx_ring = pci_alloc_consistent(priv->pdev, ring_size, | |
1733 | &priv->rx_ring_dma); | |
1734 | ||
1735 | if (!priv->rx_ring) { | |
1736 | kfree(priv->rx_buffers); | |
1737 | priv->rx_buffers = NULL; | |
1738 | priv->tx_buffers = NULL; | |
1739 | return -ENOMEM; | |
1740 | } | |
1741 | ||
2c208890 | 1742 | priv->tx_ring = priv->rx_ring + priv->rx_ring_size; |
cc0b88cf MW |
1743 | priv->tx_ring_dma = priv->rx_ring_dma + |
1744 | sizeof(struct adm8211_desc) * priv->rx_ring_size; | |
1745 | ||
1746 | return 0; | |
1747 | } | |
1748 | ||
1749 | static const struct ieee80211_ops adm8211_ops = { | |
1750 | .tx = adm8211_tx, | |
4150c572 | 1751 | .start = adm8211_start, |
cc0b88cf MW |
1752 | .stop = adm8211_stop, |
1753 | .add_interface = adm8211_add_interface, | |
1754 | .remove_interface = adm8211_remove_interface, | |
1755 | .config = adm8211_config, | |
2d0ddec5 | 1756 | .bss_info_changed = adm8211_bss_info_changed, |
3ac64bee | 1757 | .prepare_multicast = adm8211_prepare_multicast, |
4150c572 | 1758 | .configure_filter = adm8211_configure_filter, |
cc0b88cf | 1759 | .get_stats = adm8211_get_stats, |
cc0b88cf MW |
1760 | .get_tsf = adm8211_get_tsft |
1761 | }; | |
1762 | ||
04bfffb8 | 1763 | static int adm8211_probe(struct pci_dev *pdev, |
cc0b88cf MW |
1764 | const struct pci_device_id *id) |
1765 | { | |
1766 | struct ieee80211_hw *dev; | |
1767 | struct adm8211_priv *priv; | |
1768 | unsigned long mem_addr, mem_len; | |
1769 | unsigned int io_addr, io_len; | |
1770 | int err; | |
1771 | u32 reg; | |
1772 | u8 perm_addr[ETH_ALEN]; | |
1773 | ||
cc0b88cf MW |
1774 | err = pci_enable_device(pdev); |
1775 | if (err) { | |
1776 | printk(KERN_ERR "%s (adm8211): Cannot enable new PCI device\n", | |
1777 | pci_name(pdev)); | |
1778 | return err; | |
1779 | } | |
1780 | ||
1781 | io_addr = pci_resource_start(pdev, 0); | |
1782 | io_len = pci_resource_len(pdev, 0); | |
1783 | mem_addr = pci_resource_start(pdev, 1); | |
1784 | mem_len = pci_resource_len(pdev, 1); | |
1785 | if (io_len < 256 || mem_len < 1024) { | |
1786 | printk(KERN_ERR "%s (adm8211): Too short PCI resources\n", | |
1787 | pci_name(pdev)); | |
1788 | goto err_disable_pdev; | |
1789 | } | |
1790 | ||
1791 | ||
1792 | /* check signature */ | |
1793 | pci_read_config_dword(pdev, 0x80 /* CR32 */, ®); | |
1794 | if (reg != ADM8211_SIG1 && reg != ADM8211_SIG2) { | |
1795 | printk(KERN_ERR "%s (adm8211): Invalid signature (0x%x)\n", | |
1796 | pci_name(pdev), reg); | |
1797 | goto err_disable_pdev; | |
1798 | } | |
1799 | ||
1800 | err = pci_request_regions(pdev, "adm8211"); | |
1801 | if (err) { | |
1802 | printk(KERN_ERR "%s (adm8211): Cannot obtain PCI resources\n", | |
1803 | pci_name(pdev)); | |
1804 | return err; /* someone else grabbed it? don't disable it */ | |
1805 | } | |
1806 | ||
284901a9 YH |
1807 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) || |
1808 | pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) { | |
cc0b88cf MW |
1809 | printk(KERN_ERR "%s (adm8211): No suitable DMA available\n", |
1810 | pci_name(pdev)); | |
1811 | goto err_free_reg; | |
1812 | } | |
1813 | ||
1814 | pci_set_master(pdev); | |
1815 | ||
1816 | dev = ieee80211_alloc_hw(sizeof(*priv), &adm8211_ops); | |
1817 | if (!dev) { | |
1818 | printk(KERN_ERR "%s (adm8211): ieee80211 alloc failed\n", | |
1819 | pci_name(pdev)); | |
1820 | err = -ENOMEM; | |
1821 | goto err_free_reg; | |
1822 | } | |
1823 | priv = dev->priv; | |
1824 | priv->pdev = pdev; | |
1825 | ||
1826 | spin_lock_init(&priv->lock); | |
1827 | ||
1828 | SET_IEEE80211_DEV(dev, &pdev->dev); | |
1829 | ||
1830 | pci_set_drvdata(pdev, dev); | |
1831 | ||
1832 | priv->map = pci_iomap(pdev, 1, mem_len); | |
1833 | if (!priv->map) | |
1834 | priv->map = pci_iomap(pdev, 0, io_len); | |
1835 | ||
1836 | if (!priv->map) { | |
1837 | printk(KERN_ERR "%s (adm8211): Cannot map device memory\n", | |
1838 | pci_name(pdev)); | |
72e12119 | 1839 | err = -ENOMEM; |
cc0b88cf MW |
1840 | goto err_free_dev; |
1841 | } | |
1842 | ||
1843 | priv->rx_ring_size = rx_ring_size; | |
1844 | priv->tx_ring_size = tx_ring_size; | |
1845 | ||
1846 | if (adm8211_alloc_rings(dev)) { | |
1847 | printk(KERN_ERR "%s (adm8211): Cannot allocate TX/RX ring\n", | |
1848 | pci_name(pdev)); | |
1849 | goto err_iounmap; | |
1850 | } | |
1851 | ||
0e5ce1f3 AV |
1852 | *(__le32 *)perm_addr = cpu_to_le32(ADM8211_CSR_READ(PAR0)); |
1853 | *(__le16 *)&perm_addr[4] = | |
1854 | cpu_to_le16(ADM8211_CSR_READ(PAR1) & 0xFFFF); | |
cc0b88cf MW |
1855 | |
1856 | if (!is_valid_ether_addr(perm_addr)) { | |
1857 | printk(KERN_WARNING "%s (adm8211): Invalid hwaddr in EEPROM!\n", | |
1858 | pci_name(pdev)); | |
f4f7f414 | 1859 | eth_random_addr(perm_addr); |
cc0b88cf MW |
1860 | } |
1861 | SET_IEEE80211_PERM_ADDR(dev, perm_addr); | |
1862 | ||
1863 | dev->extra_tx_headroom = sizeof(struct adm8211_tx_hdr); | |
30686bf7 JB |
1864 | /* dev->flags = RX_INCLUDES_FCS in promisc mode */ |
1865 | ieee80211_hw_set(dev, SIGNAL_UNSPEC); | |
f59ac048 | 1866 | dev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION); |
cc0b88cf | 1867 | |
566bfe5a | 1868 | dev->max_signal = 100; /* FIXME: find better value */ |
cc0b88cf | 1869 | |
cc0b88cf MW |
1870 | dev->queues = 1; /* ADM8211C supports more, maybe ADM8211B too */ |
1871 | ||
1872 | priv->retry_limit = 3; | |
1873 | priv->ant_power = 0x40; | |
1874 | priv->tx_power = 0x40; | |
1875 | priv->lpf_cutoff = 0xFF; | |
1876 | priv->lnags_threshold = 0xFF; | |
05c914fe | 1877 | priv->mode = NL80211_IFTYPE_UNSPECIFIED; |
cc0b88cf MW |
1878 | |
1879 | /* Power-on issue. EEPROM won't read correctly without */ | |
f6ac0adf | 1880 | if (pdev->revision >= ADM8211_REV_BA) { |
cc0b88cf MW |
1881 | ADM8211_CSR_WRITE(FRCTL, 0); |
1882 | ADM8211_CSR_READ(FRCTL); | |
1883 | ADM8211_CSR_WRITE(FRCTL, 1); | |
1884 | ADM8211_CSR_READ(FRCTL); | |
1885 | msleep(100); | |
1886 | } | |
1887 | ||
1888 | err = adm8211_read_eeprom(dev); | |
1889 | if (err) { | |
1890 | printk(KERN_ERR "%s (adm8211): Can't alloc eeprom buffer\n", | |
1891 | pci_name(pdev)); | |
1892 | goto err_free_desc; | |
1893 | } | |
1894 | ||
8318d78a | 1895 | priv->channel = 1; |
cc0b88cf | 1896 | |
9a89c839 JB |
1897 | dev->wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band; |
1898 | ||
cc0b88cf MW |
1899 | err = ieee80211_register_hw(dev); |
1900 | if (err) { | |
1901 | printk(KERN_ERR "%s (adm8211): Cannot register device\n", | |
1902 | pci_name(pdev)); | |
b85aeb51 | 1903 | goto err_free_eeprom; |
cc0b88cf MW |
1904 | } |
1905 | ||
5db55844 | 1906 | wiphy_info(dev->wiphy, "hwaddr %pM, Rev 0x%02x\n", |
c96c31e4 | 1907 | dev->wiphy->perm_addr, pdev->revision); |
cc0b88cf MW |
1908 | |
1909 | return 0; | |
1910 | ||
b85aeb51 KV |
1911 | err_free_eeprom: |
1912 | kfree(priv->eeprom); | |
1913 | ||
cc0b88cf MW |
1914 | err_free_desc: |
1915 | pci_free_consistent(pdev, | |
1916 | sizeof(struct adm8211_desc) * priv->rx_ring_size + | |
1917 | sizeof(struct adm8211_desc) * priv->tx_ring_size, | |
1918 | priv->rx_ring, priv->rx_ring_dma); | |
1919 | kfree(priv->rx_buffers); | |
1920 | ||
1921 | err_iounmap: | |
1922 | pci_iounmap(pdev, priv->map); | |
1923 | ||
1924 | err_free_dev: | |
cc0b88cf MW |
1925 | ieee80211_free_hw(dev); |
1926 | ||
1927 | err_free_reg: | |
1928 | pci_release_regions(pdev); | |
1929 | ||
1930 | err_disable_pdev: | |
1931 | pci_disable_device(pdev); | |
1932 | return err; | |
1933 | } | |
1934 | ||
1935 | ||
04bfffb8 | 1936 | static void adm8211_remove(struct pci_dev *pdev) |
cc0b88cf MW |
1937 | { |
1938 | struct ieee80211_hw *dev = pci_get_drvdata(pdev); | |
1939 | struct adm8211_priv *priv; | |
1940 | ||
1941 | if (!dev) | |
1942 | return; | |
1943 | ||
1944 | ieee80211_unregister_hw(dev); | |
1945 | ||
1946 | priv = dev->priv; | |
1947 | ||
1948 | pci_free_consistent(pdev, | |
1949 | sizeof(struct adm8211_desc) * priv->rx_ring_size + | |
1950 | sizeof(struct adm8211_desc) * priv->tx_ring_size, | |
1951 | priv->rx_ring, priv->rx_ring_dma); | |
1952 | ||
1953 | kfree(priv->rx_buffers); | |
1954 | kfree(priv->eeprom); | |
1955 | pci_iounmap(pdev, priv->map); | |
1956 | pci_release_regions(pdev); | |
1957 | pci_disable_device(pdev); | |
1958 | ieee80211_free_hw(dev); | |
1959 | } | |
1960 | ||
1961 | ||
1962 | #ifdef CONFIG_PM | |
1963 | static int adm8211_suspend(struct pci_dev *pdev, pm_message_t state) | |
1964 | { | |
cc0b88cf MW |
1965 | pci_save_state(pdev); |
1966 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); | |
1967 | return 0; | |
1968 | } | |
1969 | ||
1970 | static int adm8211_resume(struct pci_dev *pdev) | |
1971 | { | |
cc0b88cf MW |
1972 | pci_set_power_state(pdev, PCI_D0); |
1973 | pci_restore_state(pdev); | |
cc0b88cf MW |
1974 | return 0; |
1975 | } | |
1976 | #endif /* CONFIG_PM */ | |
1977 | ||
1978 | ||
1979 | MODULE_DEVICE_TABLE(pci, adm8211_pci_id_table); | |
1980 | ||
1981 | /* TODO: implement enable_wake */ | |
1982 | static struct pci_driver adm8211_driver = { | |
1983 | .name = "adm8211", | |
1984 | .id_table = adm8211_pci_id_table, | |
1985 | .probe = adm8211_probe, | |
04bfffb8 | 1986 | .remove = adm8211_remove, |
cc0b88cf MW |
1987 | #ifdef CONFIG_PM |
1988 | .suspend = adm8211_suspend, | |
1989 | .resume = adm8211_resume, | |
1990 | #endif /* CONFIG_PM */ | |
1991 | }; | |
1992 | ||
5b0a3b7e | 1993 | module_pci_driver(adm8211_driver); |