Commit | Line | Data |
---|---|---|
a9b3a9f7 | 1 | /* |
96481b20 | 2 | Copyright (C) 2009 - 2010 Ivo van Doorn <IvDoorn@gmail.com> |
9c9a0d14 GW |
3 | Copyright (C) 2009 Alban Browaeys <prahal@yahoo.com> |
4 | Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org> | |
5 | Copyright (C) 2009 Luis Correia <luis.f.correia@gmail.com> | |
6 | Copyright (C) 2009 Mattias Nissler <mattias.nissler@gmx.de> | |
7 | Copyright (C) 2009 Mark Asselstine <asselsm@gmail.com> | |
8 | Copyright (C) 2009 Xose Vazquez Perez <xose.vazquez@gmail.com> | |
9 | Copyright (C) 2009 Bart Zolnierkiewicz <bzolnier@gmail.com> | |
a9b3a9f7 ID |
10 | <http://rt2x00.serialmonkey.com> |
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 as published by | |
14 | the Free Software Foundation; either version 2 of the License, or | |
15 | (at your option) any later version. | |
16 | ||
17 | This program is distributed in the hope that it will be useful, | |
18 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | GNU General Public License for more details. | |
21 | ||
22 | You should have received a copy of the GNU General Public License | |
23 | along with this program; if not, write to the | |
24 | Free Software Foundation, Inc., | |
25 | 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
26 | */ | |
27 | ||
28 | /* | |
29 | Module: rt2800pci | |
30 | Abstract: rt2800pci device specific routines. | |
31 | Supported chipsets: RT2800E & RT2800ED. | |
32 | */ | |
33 | ||
a9b3a9f7 ID |
34 | #include <linux/delay.h> |
35 | #include <linux/etherdevice.h> | |
36 | #include <linux/init.h> | |
37 | #include <linux/kernel.h> | |
38 | #include <linux/module.h> | |
39 | #include <linux/pci.h> | |
40 | #include <linux/platform_device.h> | |
41 | #include <linux/eeprom_93cx6.h> | |
42 | ||
43 | #include "rt2x00.h" | |
44 | #include "rt2x00pci.h" | |
45 | #include "rt2x00soc.h" | |
7ef5cc92 | 46 | #include "rt2800lib.h" |
b54f78a8 | 47 | #include "rt2800.h" |
a9b3a9f7 ID |
48 | #include "rt2800pci.h" |
49 | ||
a9b3a9f7 ID |
50 | /* |
51 | * Allow hardware encryption to be disabled. | |
52 | */ | |
04f1e34d | 53 | static int modparam_nohwcrypt = 0; |
a9b3a9f7 ID |
54 | module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO); |
55 | MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption."); | |
56 | ||
a9b3a9f7 ID |
57 | static void rt2800pci_mcu_status(struct rt2x00_dev *rt2x00dev, const u8 token) |
58 | { | |
59 | unsigned int i; | |
60 | u32 reg; | |
61 | ||
f18d4463 LC |
62 | /* |
63 | * SOC devices don't support MCU requests. | |
64 | */ | |
65 | if (rt2x00_is_soc(rt2x00dev)) | |
66 | return; | |
67 | ||
a9b3a9f7 | 68 | for (i = 0; i < 200; i++) { |
9ca21eb7 | 69 | rt2800_register_read(rt2x00dev, H2M_MAILBOX_CID, ®); |
a9b3a9f7 ID |
70 | |
71 | if ((rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD0) == token) || | |
72 | (rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD1) == token) || | |
73 | (rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD2) == token) || | |
74 | (rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD3) == token)) | |
75 | break; | |
76 | ||
77 | udelay(REGISTER_BUSY_DELAY); | |
78 | } | |
79 | ||
80 | if (i == 200) | |
81 | ERROR(rt2x00dev, "MCU request failed, no response from hardware\n"); | |
82 | ||
9ca21eb7 BZ |
83 | rt2800_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0); |
84 | rt2800_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0); | |
a9b3a9f7 ID |
85 | } |
86 | ||
72c7296e | 87 | #if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X) |
a9b3a9f7 ID |
88 | static void rt2800pci_read_eeprom_soc(struct rt2x00_dev *rt2x00dev) |
89 | { | |
ef8397cf | 90 | void __iomem *base_addr = ioremap(0x1F040000, EEPROM_SIZE); |
a9b3a9f7 ID |
91 | |
92 | memcpy_fromio(rt2x00dev->eeprom, base_addr, EEPROM_SIZE); | |
ef8397cf GW |
93 | |
94 | iounmap(base_addr); | |
a9b3a9f7 ID |
95 | } |
96 | #else | |
97 | static inline void rt2800pci_read_eeprom_soc(struct rt2x00_dev *rt2x00dev) | |
98 | { | |
99 | } | |
72c7296e | 100 | #endif /* CONFIG_RALINK_RT288X || CONFIG_RALINK_RT305X */ |
a9b3a9f7 | 101 | |
72c7296e | 102 | #ifdef CONFIG_PCI |
a9b3a9f7 ID |
103 | static void rt2800pci_eepromregister_read(struct eeprom_93cx6 *eeprom) |
104 | { | |
105 | struct rt2x00_dev *rt2x00dev = eeprom->data; | |
106 | u32 reg; | |
107 | ||
9ca21eb7 | 108 | rt2800_register_read(rt2x00dev, E2PROM_CSR, ®); |
a9b3a9f7 ID |
109 | |
110 | eeprom->reg_data_in = !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_IN); | |
111 | eeprom->reg_data_out = !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_OUT); | |
112 | eeprom->reg_data_clock = | |
113 | !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_CLOCK); | |
114 | eeprom->reg_chip_select = | |
115 | !!rt2x00_get_field32(reg, E2PROM_CSR_CHIP_SELECT); | |
116 | } | |
117 | ||
118 | static void rt2800pci_eepromregister_write(struct eeprom_93cx6 *eeprom) | |
119 | { | |
120 | struct rt2x00_dev *rt2x00dev = eeprom->data; | |
121 | u32 reg = 0; | |
122 | ||
123 | rt2x00_set_field32(®, E2PROM_CSR_DATA_IN, !!eeprom->reg_data_in); | |
124 | rt2x00_set_field32(®, E2PROM_CSR_DATA_OUT, !!eeprom->reg_data_out); | |
125 | rt2x00_set_field32(®, E2PROM_CSR_DATA_CLOCK, | |
126 | !!eeprom->reg_data_clock); | |
127 | rt2x00_set_field32(®, E2PROM_CSR_CHIP_SELECT, | |
128 | !!eeprom->reg_chip_select); | |
129 | ||
9ca21eb7 | 130 | rt2800_register_write(rt2x00dev, E2PROM_CSR, reg); |
a9b3a9f7 ID |
131 | } |
132 | ||
133 | static void rt2800pci_read_eeprom_pci(struct rt2x00_dev *rt2x00dev) | |
134 | { | |
135 | struct eeprom_93cx6 eeprom; | |
136 | u32 reg; | |
137 | ||
9ca21eb7 | 138 | rt2800_register_read(rt2x00dev, E2PROM_CSR, ®); |
a9b3a9f7 ID |
139 | |
140 | eeprom.data = rt2x00dev; | |
141 | eeprom.register_read = rt2800pci_eepromregister_read; | |
142 | eeprom.register_write = rt2800pci_eepromregister_write; | |
20f8b139 GW |
143 | switch (rt2x00_get_field32(reg, E2PROM_CSR_TYPE)) |
144 | { | |
145 | case 0: | |
146 | eeprom.width = PCI_EEPROM_WIDTH_93C46; | |
147 | break; | |
148 | case 1: | |
149 | eeprom.width = PCI_EEPROM_WIDTH_93C66; | |
150 | break; | |
151 | default: | |
152 | eeprom.width = PCI_EEPROM_WIDTH_93C86; | |
153 | break; | |
154 | } | |
a9b3a9f7 ID |
155 | eeprom.reg_data_in = 0; |
156 | eeprom.reg_data_out = 0; | |
157 | eeprom.reg_data_clock = 0; | |
158 | eeprom.reg_chip_select = 0; | |
159 | ||
160 | eeprom_93cx6_multiread(&eeprom, EEPROM_BASE, rt2x00dev->eeprom, | |
161 | EEPROM_SIZE / sizeof(u16)); | |
162 | } | |
163 | ||
a6598682 GW |
164 | static int rt2800pci_efuse_detect(struct rt2x00_dev *rt2x00dev) |
165 | { | |
30e84034 | 166 | return rt2800_efuse_detect(rt2x00dev); |
a9b3a9f7 ID |
167 | } |
168 | ||
30e84034 | 169 | static inline void rt2800pci_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev) |
a9b3a9f7 | 170 | { |
30e84034 | 171 | rt2800_read_eeprom_efuse(rt2x00dev); |
a9b3a9f7 ID |
172 | } |
173 | #else | |
174 | static inline void rt2800pci_read_eeprom_pci(struct rt2x00_dev *rt2x00dev) | |
175 | { | |
176 | } | |
177 | ||
a6598682 GW |
178 | static inline int rt2800pci_efuse_detect(struct rt2x00_dev *rt2x00dev) |
179 | { | |
180 | return 0; | |
181 | } | |
182 | ||
a9b3a9f7 ID |
183 | static inline void rt2800pci_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev) |
184 | { | |
185 | } | |
72c7296e | 186 | #endif /* CONFIG_PCI */ |
a9b3a9f7 | 187 | |
5450b7e2 ID |
188 | /* |
189 | * Queue handlers. | |
190 | */ | |
191 | static void rt2800pci_start_queue(struct data_queue *queue) | |
192 | { | |
193 | struct rt2x00_dev *rt2x00dev = queue->rt2x00dev; | |
194 | u32 reg; | |
195 | ||
196 | switch (queue->qid) { | |
197 | case QID_RX: | |
198 | rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, ®); | |
199 | rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_RX, 1); | |
200 | rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg); | |
201 | break; | |
202 | case QID_BEACON: | |
a9d61e9e HS |
203 | /* |
204 | * Allow beacon tasklets to be scheduled for periodic | |
205 | * beacon updates. | |
206 | */ | |
207 | tasklet_enable(&rt2x00dev->tbtt_tasklet); | |
208 | tasklet_enable(&rt2x00dev->pretbtt_tasklet); | |
209 | ||
5450b7e2 ID |
210 | rt2800_register_read(rt2x00dev, BCN_TIME_CFG, ®); |
211 | rt2x00_set_field32(®, BCN_TIME_CFG_TSF_TICKING, 1); | |
212 | rt2x00_set_field32(®, BCN_TIME_CFG_TBTT_ENABLE, 1); | |
213 | rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 1); | |
214 | rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg); | |
69cf36a4 HS |
215 | |
216 | rt2800_register_read(rt2x00dev, INT_TIMER_EN, ®); | |
217 | rt2x00_set_field32(®, INT_TIMER_EN_PRE_TBTT_TIMER, 1); | |
218 | rt2800_register_write(rt2x00dev, INT_TIMER_EN, reg); | |
5450b7e2 ID |
219 | break; |
220 | default: | |
221 | break; | |
222 | }; | |
223 | } | |
224 | ||
225 | static void rt2800pci_kick_queue(struct data_queue *queue) | |
226 | { | |
227 | struct rt2x00_dev *rt2x00dev = queue->rt2x00dev; | |
228 | struct queue_entry *entry; | |
229 | ||
230 | switch (queue->qid) { | |
f615e9a3 ID |
231 | case QID_AC_VO: |
232 | case QID_AC_VI: | |
5450b7e2 ID |
233 | case QID_AC_BE: |
234 | case QID_AC_BK: | |
5450b7e2 ID |
235 | entry = rt2x00queue_get_entry(queue, Q_INDEX); |
236 | rt2800_register_write(rt2x00dev, TX_CTX_IDX(queue->qid), entry->entry_idx); | |
237 | break; | |
238 | case QID_MGMT: | |
239 | entry = rt2x00queue_get_entry(queue, Q_INDEX); | |
240 | rt2800_register_write(rt2x00dev, TX_CTX_IDX(5), entry->entry_idx); | |
241 | break; | |
242 | default: | |
243 | break; | |
244 | } | |
245 | } | |
246 | ||
247 | static void rt2800pci_stop_queue(struct data_queue *queue) | |
248 | { | |
249 | struct rt2x00_dev *rt2x00dev = queue->rt2x00dev; | |
250 | u32 reg; | |
251 | ||
252 | switch (queue->qid) { | |
253 | case QID_RX: | |
254 | rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, ®); | |
255 | rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_RX, 0); | |
256 | rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg); | |
257 | break; | |
258 | case QID_BEACON: | |
259 | rt2800_register_read(rt2x00dev, BCN_TIME_CFG, ®); | |
260 | rt2x00_set_field32(®, BCN_TIME_CFG_TSF_TICKING, 0); | |
261 | rt2x00_set_field32(®, BCN_TIME_CFG_TBTT_ENABLE, 0); | |
262 | rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 0); | |
263 | rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg); | |
69cf36a4 HS |
264 | |
265 | rt2800_register_read(rt2x00dev, INT_TIMER_EN, ®); | |
266 | rt2x00_set_field32(®, INT_TIMER_EN_PRE_TBTT_TIMER, 0); | |
267 | rt2800_register_write(rt2x00dev, INT_TIMER_EN, reg); | |
a9d61e9e HS |
268 | |
269 | /* | |
270 | * Wait for tbtt tasklets to finish. | |
271 | */ | |
272 | tasklet_disable(&rt2x00dev->tbtt_tasklet); | |
273 | tasklet_disable(&rt2x00dev->pretbtt_tasklet); | |
5450b7e2 ID |
274 | break; |
275 | default: | |
276 | break; | |
277 | } | |
278 | } | |
279 | ||
a9b3a9f7 ID |
280 | /* |
281 | * Firmware functions | |
282 | */ | |
283 | static char *rt2800pci_get_firmware_name(struct rt2x00_dev *rt2x00dev) | |
284 | { | |
285 | return FIRMWARE_RT2860; | |
286 | } | |
287 | ||
f31c9a8c | 288 | static int rt2800pci_write_firmware(struct rt2x00_dev *rt2x00dev, |
a9b3a9f7 ID |
289 | const u8 *data, const size_t len) |
290 | { | |
a9b3a9f7 ID |
291 | u32 reg; |
292 | ||
a9b3a9f7 ID |
293 | /* |
294 | * enable Host program ram write selection | |
295 | */ | |
296 | reg = 0; | |
297 | rt2x00_set_field32(®, PBF_SYS_CTRL_HOST_RAM_WRITE, 1); | |
9ca21eb7 | 298 | rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, reg); |
a9b3a9f7 ID |
299 | |
300 | /* | |
301 | * Write firmware to device. | |
302 | */ | |
4f2732ce | 303 | rt2800_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE, |
f31c9a8c | 304 | data, len); |
a9b3a9f7 | 305 | |
9ca21eb7 BZ |
306 | rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000); |
307 | rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00001); | |
a9b3a9f7 | 308 | |
9ca21eb7 BZ |
309 | rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0); |
310 | rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0); | |
a9b3a9f7 ID |
311 | |
312 | return 0; | |
313 | } | |
314 | ||
315 | /* | |
316 | * Initialization functions. | |
317 | */ | |
318 | static bool rt2800pci_get_entry_state(struct queue_entry *entry) | |
319 | { | |
320 | struct queue_entry_priv_pci *entry_priv = entry->priv_data; | |
321 | u32 word; | |
322 | ||
323 | if (entry->queue->qid == QID_RX) { | |
324 | rt2x00_desc_read(entry_priv->desc, 1, &word); | |
325 | ||
326 | return (!rt2x00_get_field32(word, RXD_W1_DMA_DONE)); | |
327 | } else { | |
328 | rt2x00_desc_read(entry_priv->desc, 1, &word); | |
329 | ||
330 | return (!rt2x00_get_field32(word, TXD_W1_DMA_DONE)); | |
331 | } | |
332 | } | |
333 | ||
334 | static void rt2800pci_clear_entry(struct queue_entry *entry) | |
335 | { | |
336 | struct queue_entry_priv_pci *entry_priv = entry->priv_data; | |
337 | struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); | |
95192339 | 338 | struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; |
a9b3a9f7 ID |
339 | u32 word; |
340 | ||
341 | if (entry->queue->qid == QID_RX) { | |
342 | rt2x00_desc_read(entry_priv->desc, 0, &word); | |
343 | rt2x00_set_field32(&word, RXD_W0_SDP0, skbdesc->skb_dma); | |
344 | rt2x00_desc_write(entry_priv->desc, 0, word); | |
345 | ||
346 | rt2x00_desc_read(entry_priv->desc, 1, &word); | |
347 | rt2x00_set_field32(&word, RXD_W1_DMA_DONE, 0); | |
348 | rt2x00_desc_write(entry_priv->desc, 1, word); | |
95192339 HS |
349 | |
350 | /* | |
351 | * Set RX IDX in register to inform hardware that we have | |
352 | * handled this entry and it is available for reuse again. | |
353 | */ | |
354 | rt2800_register_write(rt2x00dev, RX_CRX_IDX, | |
355 | entry->entry_idx); | |
a9b3a9f7 ID |
356 | } else { |
357 | rt2x00_desc_read(entry_priv->desc, 1, &word); | |
358 | rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 1); | |
359 | rt2x00_desc_write(entry_priv->desc, 1, word); | |
360 | } | |
361 | } | |
362 | ||
363 | static int rt2800pci_init_queues(struct rt2x00_dev *rt2x00dev) | |
364 | { | |
365 | struct queue_entry_priv_pci *entry_priv; | |
366 | u32 reg; | |
367 | ||
a9b3a9f7 ID |
368 | /* |
369 | * Initialize registers. | |
370 | */ | |
371 | entry_priv = rt2x00dev->tx[0].entries[0].priv_data; | |
9ca21eb7 BZ |
372 | rt2800_register_write(rt2x00dev, TX_BASE_PTR0, entry_priv->desc_dma); |
373 | rt2800_register_write(rt2x00dev, TX_MAX_CNT0, rt2x00dev->tx[0].limit); | |
374 | rt2800_register_write(rt2x00dev, TX_CTX_IDX0, 0); | |
375 | rt2800_register_write(rt2x00dev, TX_DTX_IDX0, 0); | |
a9b3a9f7 ID |
376 | |
377 | entry_priv = rt2x00dev->tx[1].entries[0].priv_data; | |
9ca21eb7 BZ |
378 | rt2800_register_write(rt2x00dev, TX_BASE_PTR1, entry_priv->desc_dma); |
379 | rt2800_register_write(rt2x00dev, TX_MAX_CNT1, rt2x00dev->tx[1].limit); | |
380 | rt2800_register_write(rt2x00dev, TX_CTX_IDX1, 0); | |
381 | rt2800_register_write(rt2x00dev, TX_DTX_IDX1, 0); | |
a9b3a9f7 ID |
382 | |
383 | entry_priv = rt2x00dev->tx[2].entries[0].priv_data; | |
9ca21eb7 BZ |
384 | rt2800_register_write(rt2x00dev, TX_BASE_PTR2, entry_priv->desc_dma); |
385 | rt2800_register_write(rt2x00dev, TX_MAX_CNT2, rt2x00dev->tx[2].limit); | |
386 | rt2800_register_write(rt2x00dev, TX_CTX_IDX2, 0); | |
387 | rt2800_register_write(rt2x00dev, TX_DTX_IDX2, 0); | |
a9b3a9f7 ID |
388 | |
389 | entry_priv = rt2x00dev->tx[3].entries[0].priv_data; | |
9ca21eb7 BZ |
390 | rt2800_register_write(rt2x00dev, TX_BASE_PTR3, entry_priv->desc_dma); |
391 | rt2800_register_write(rt2x00dev, TX_MAX_CNT3, rt2x00dev->tx[3].limit); | |
392 | rt2800_register_write(rt2x00dev, TX_CTX_IDX3, 0); | |
393 | rt2800_register_write(rt2x00dev, TX_DTX_IDX3, 0); | |
a9b3a9f7 ID |
394 | |
395 | entry_priv = rt2x00dev->rx->entries[0].priv_data; | |
9ca21eb7 BZ |
396 | rt2800_register_write(rt2x00dev, RX_BASE_PTR, entry_priv->desc_dma); |
397 | rt2800_register_write(rt2x00dev, RX_MAX_CNT, rt2x00dev->rx[0].limit); | |
398 | rt2800_register_write(rt2x00dev, RX_CRX_IDX, rt2x00dev->rx[0].limit - 1); | |
399 | rt2800_register_write(rt2x00dev, RX_DRX_IDX, 0); | |
a9b3a9f7 ID |
400 | |
401 | /* | |
402 | * Enable global DMA configuration | |
403 | */ | |
9ca21eb7 | 404 | rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, ®); |
a9b3a9f7 ID |
405 | rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0); |
406 | rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0); | |
407 | rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1); | |
9ca21eb7 | 408 | rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg); |
a9b3a9f7 | 409 | |
9ca21eb7 | 410 | rt2800_register_write(rt2x00dev, DELAY_INT_CFG, 0); |
a9b3a9f7 ID |
411 | |
412 | return 0; | |
413 | } | |
414 | ||
a9b3a9f7 ID |
415 | /* |
416 | * Device state switch handlers. | |
417 | */ | |
a9b3a9f7 ID |
418 | static void rt2800pci_toggle_irq(struct rt2x00_dev *rt2x00dev, |
419 | enum dev_state state) | |
420 | { | |
b550911a | 421 | int mask = (state == STATE_RADIO_IRQ_ON); |
a9b3a9f7 | 422 | u32 reg; |
a9d61e9e | 423 | unsigned long flags; |
a9b3a9f7 ID |
424 | |
425 | /* | |
426 | * When interrupts are being enabled, the interrupt registers | |
427 | * should clear the register to assure a clean state. | |
428 | */ | |
429 | if (state == STATE_RADIO_IRQ_ON) { | |
9ca21eb7 BZ |
430 | rt2800_register_read(rt2x00dev, INT_SOURCE_CSR, ®); |
431 | rt2800_register_write(rt2x00dev, INT_SOURCE_CSR, reg); | |
c8e15a1e | 432 | |
a9d61e9e HS |
433 | /* |
434 | * Enable tasklets. The beacon related tasklets are | |
435 | * enabled when the beacon queue is started. | |
436 | */ | |
c8e15a1e | 437 | tasklet_enable(&rt2x00dev->txstatus_tasklet); |
a9d61e9e HS |
438 | tasklet_enable(&rt2x00dev->rxdone_tasklet); |
439 | tasklet_enable(&rt2x00dev->autowake_tasklet); | |
440 | } | |
a9b3a9f7 | 441 | |
a9d61e9e | 442 | spin_lock_irqsave(&rt2x00dev->irqmask_lock, flags); |
9ca21eb7 | 443 | rt2800_register_read(rt2x00dev, INT_MASK_CSR, ®); |
93149cf8 HS |
444 | rt2x00_set_field32(®, INT_MASK_CSR_RXDELAYINT, 0); |
445 | rt2x00_set_field32(®, INT_MASK_CSR_TXDELAYINT, 0); | |
a9b3a9f7 | 446 | rt2x00_set_field32(®, INT_MASK_CSR_RX_DONE, mask); |
93149cf8 HS |
447 | rt2x00_set_field32(®, INT_MASK_CSR_AC0_DMA_DONE, 0); |
448 | rt2x00_set_field32(®, INT_MASK_CSR_AC1_DMA_DONE, 0); | |
449 | rt2x00_set_field32(®, INT_MASK_CSR_AC2_DMA_DONE, 0); | |
450 | rt2x00_set_field32(®, INT_MASK_CSR_AC3_DMA_DONE, 0); | |
451 | rt2x00_set_field32(®, INT_MASK_CSR_HCCA_DMA_DONE, 0); | |
452 | rt2x00_set_field32(®, INT_MASK_CSR_MGMT_DMA_DONE, 0); | |
453 | rt2x00_set_field32(®, INT_MASK_CSR_MCU_COMMAND, 0); | |
454 | rt2x00_set_field32(®, INT_MASK_CSR_RXTX_COHERENT, 0); | |
a9b3a9f7 ID |
455 | rt2x00_set_field32(®, INT_MASK_CSR_TBTT, mask); |
456 | rt2x00_set_field32(®, INT_MASK_CSR_PRE_TBTT, mask); | |
457 | rt2x00_set_field32(®, INT_MASK_CSR_TX_FIFO_STATUS, mask); | |
458 | rt2x00_set_field32(®, INT_MASK_CSR_AUTO_WAKEUP, mask); | |
93149cf8 HS |
459 | rt2x00_set_field32(®, INT_MASK_CSR_GPTIMER, 0); |
460 | rt2x00_set_field32(®, INT_MASK_CSR_RX_COHERENT, 0); | |
461 | rt2x00_set_field32(®, INT_MASK_CSR_TX_COHERENT, 0); | |
9ca21eb7 | 462 | rt2800_register_write(rt2x00dev, INT_MASK_CSR, reg); |
a9d61e9e HS |
463 | spin_unlock_irqrestore(&rt2x00dev->irqmask_lock, flags); |
464 | ||
465 | if (state == STATE_RADIO_IRQ_OFF) { | |
466 | /* | |
467 | * Ensure that all tasklets are finished before | |
468 | * disabling the interrupts. | |
469 | */ | |
470 | tasklet_disable(&rt2x00dev->txstatus_tasklet); | |
471 | tasklet_disable(&rt2x00dev->rxdone_tasklet); | |
472 | tasklet_disable(&rt2x00dev->autowake_tasklet); | |
473 | } | |
a9b3a9f7 ID |
474 | } |
475 | ||
e3a896b9 GW |
476 | static int rt2800pci_init_registers(struct rt2x00_dev *rt2x00dev) |
477 | { | |
478 | u32 reg; | |
479 | ||
480 | /* | |
481 | * Reset DMA indexes | |
482 | */ | |
483 | rt2800_register_read(rt2x00dev, WPDMA_RST_IDX, ®); | |
484 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX0, 1); | |
485 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX1, 1); | |
486 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX2, 1); | |
487 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX3, 1); | |
488 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX4, 1); | |
489 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX5, 1); | |
490 | rt2x00_set_field32(®, WPDMA_RST_IDX_DRX_IDX0, 1); | |
491 | rt2800_register_write(rt2x00dev, WPDMA_RST_IDX, reg); | |
492 | ||
493 | rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e1f); | |
494 | rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e00); | |
495 | ||
adde5882 GJ |
496 | if (rt2x00_rt(rt2x00dev, RT5390)) { |
497 | rt2800_register_read(rt2x00dev, AUX_CTRL, ®); | |
498 | rt2x00_set_field32(®, AUX_CTRL_FORCE_PCIE_CLK, 1); | |
499 | rt2x00_set_field32(®, AUX_CTRL_WAKE_PCIE_EN, 1); | |
500 | rt2800_register_write(rt2x00dev, AUX_CTRL, reg); | |
501 | } | |
60687ba7 | 502 | |
e3a896b9 GW |
503 | rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003); |
504 | ||
505 | rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, ®); | |
506 | rt2x00_set_field32(®, MAC_SYS_CTRL_RESET_CSR, 1); | |
507 | rt2x00_set_field32(®, MAC_SYS_CTRL_RESET_BBP, 1); | |
508 | rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg); | |
509 | ||
510 | rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000); | |
511 | ||
512 | return 0; | |
513 | } | |
514 | ||
a9b3a9f7 ID |
515 | static int rt2800pci_enable_radio(struct rt2x00_dev *rt2x00dev) |
516 | { | |
67a4c1e2 | 517 | if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev) || |
b9a07ae9 | 518 | rt2800pci_init_queues(rt2x00dev))) |
a9b3a9f7 ID |
519 | return -EIO; |
520 | ||
b9a07ae9 | 521 | return rt2800_enable_radio(rt2x00dev); |
a9b3a9f7 ID |
522 | } |
523 | ||
524 | static void rt2800pci_disable_radio(struct rt2x00_dev *rt2x00dev) | |
525 | { | |
7f6e144f RJH |
526 | if (rt2x00_is_soc(rt2x00dev)) { |
527 | rt2800_disable_radio(rt2x00dev); | |
528 | rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0); | |
529 | rt2800_register_write(rt2x00dev, TX_PIN_CFG, 0); | |
530 | } | |
a9b3a9f7 ID |
531 | } |
532 | ||
533 | static int rt2800pci_set_state(struct rt2x00_dev *rt2x00dev, | |
534 | enum dev_state state) | |
535 | { | |
a9b3a9f7 | 536 | if (state == STATE_AWAKE) { |
7f6e144f | 537 | rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, TOKEN_WAKUP, 0, 0x02); |
a9b3a9f7 | 538 | rt2800pci_mcu_status(rt2x00dev, TOKEN_WAKUP); |
7f6e144f RJH |
539 | } else if (state == STATE_SLEEP) { |
540 | rt2800_register_write(rt2x00dev, H2M_MAILBOX_STATUS, 0xffffffff); | |
541 | rt2800_register_write(rt2x00dev, H2M_MAILBOX_CID, 0xffffffff); | |
542 | rt2800_mcu_request(rt2x00dev, MCU_SLEEP, 0x01, 0xff, 0x01); | |
a9b3a9f7 ID |
543 | } |
544 | ||
545 | return 0; | |
546 | } | |
547 | ||
548 | static int rt2800pci_set_device_state(struct rt2x00_dev *rt2x00dev, | |
549 | enum dev_state state) | |
550 | { | |
551 | int retval = 0; | |
552 | ||
553 | switch (state) { | |
554 | case STATE_RADIO_ON: | |
555 | /* | |
556 | * Before the radio can be enabled, the device first has | |
557 | * to be woken up. After that it needs a bit of time | |
558 | * to be fully awake and then the radio can be enabled. | |
559 | */ | |
560 | rt2800pci_set_state(rt2x00dev, STATE_AWAKE); | |
561 | msleep(1); | |
562 | retval = rt2800pci_enable_radio(rt2x00dev); | |
563 | break; | |
564 | case STATE_RADIO_OFF: | |
565 | /* | |
566 | * After the radio has been disabled, the device should | |
567 | * be put to sleep for powersaving. | |
568 | */ | |
569 | rt2800pci_disable_radio(rt2x00dev); | |
570 | rt2800pci_set_state(rt2x00dev, STATE_SLEEP); | |
571 | break; | |
a9b3a9f7 ID |
572 | case STATE_RADIO_IRQ_ON: |
573 | case STATE_RADIO_IRQ_OFF: | |
574 | rt2800pci_toggle_irq(rt2x00dev, state); | |
575 | break; | |
576 | case STATE_DEEP_SLEEP: | |
577 | case STATE_SLEEP: | |
578 | case STATE_STANDBY: | |
579 | case STATE_AWAKE: | |
580 | retval = rt2800pci_set_state(rt2x00dev, state); | |
581 | break; | |
582 | default: | |
583 | retval = -ENOTSUPP; | |
584 | break; | |
585 | } | |
586 | ||
587 | if (unlikely(retval)) | |
588 | ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n", | |
589 | state, retval); | |
590 | ||
591 | return retval; | |
592 | } | |
593 | ||
594 | /* | |
595 | * TX descriptor initialization | |
596 | */ | |
0c5879bc | 597 | static __le32 *rt2800pci_get_txwi(struct queue_entry *entry) |
a9b3a9f7 | 598 | { |
0c5879bc | 599 | return (__le32 *) entry->skb->data; |
745b1ae3 HS |
600 | } |
601 | ||
93331458 | 602 | static void rt2800pci_write_tx_desc(struct queue_entry *entry, |
745b1ae3 HS |
603 | struct txentry_desc *txdesc) |
604 | { | |
93331458 ID |
605 | struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); |
606 | struct queue_entry_priv_pci *entry_priv = entry->priv_data; | |
85b7a8b3 | 607 | __le32 *txd = entry_priv->desc; |
745b1ae3 HS |
608 | u32 word; |
609 | ||
a9b3a9f7 ID |
610 | /* |
611 | * The buffers pointed by SD_PTR0/SD_LEN0 and SD_PTR1/SD_LEN1 | |
612 | * must contains a TXWI structure + 802.11 header + padding + 802.11 | |
613 | * data. We choose to have SD_PTR0/SD_LEN0 only contains TXWI and | |
614 | * SD_PTR1/SD_LEN1 contains 802.11 header + padding + 802.11 | |
615 | * data. It means that LAST_SEC0 is always 0. | |
616 | */ | |
617 | ||
618 | /* | |
619 | * Initialize TX descriptor | |
620 | */ | |
621 | rt2x00_desc_read(txd, 0, &word); | |
622 | rt2x00_set_field32(&word, TXD_W0_SD_PTR0, skbdesc->skb_dma); | |
623 | rt2x00_desc_write(txd, 0, word); | |
624 | ||
625 | rt2x00_desc_read(txd, 1, &word); | |
93331458 | 626 | rt2x00_set_field32(&word, TXD_W1_SD_LEN1, entry->skb->len); |
a9b3a9f7 ID |
627 | rt2x00_set_field32(&word, TXD_W1_LAST_SEC1, |
628 | !test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags)); | |
629 | rt2x00_set_field32(&word, TXD_W1_BURST, | |
630 | test_bit(ENTRY_TXD_BURST, &txdesc->flags)); | |
85b7a8b3 | 631 | rt2x00_set_field32(&word, TXD_W1_SD_LEN0, TXWI_DESC_SIZE); |
a9b3a9f7 ID |
632 | rt2x00_set_field32(&word, TXD_W1_LAST_SEC0, 0); |
633 | rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 0); | |
634 | rt2x00_desc_write(txd, 1, word); | |
635 | ||
636 | rt2x00_desc_read(txd, 2, &word); | |
637 | rt2x00_set_field32(&word, TXD_W2_SD_PTR1, | |
85b7a8b3 | 638 | skbdesc->skb_dma + TXWI_DESC_SIZE); |
a9b3a9f7 ID |
639 | rt2x00_desc_write(txd, 2, word); |
640 | ||
641 | rt2x00_desc_read(txd, 3, &word); | |
642 | rt2x00_set_field32(&word, TXD_W3_WIV, | |
643 | !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags)); | |
644 | rt2x00_set_field32(&word, TXD_W3_QSEL, 2); | |
645 | rt2x00_desc_write(txd, 3, word); | |
85b7a8b3 GW |
646 | |
647 | /* | |
648 | * Register descriptor details in skb frame descriptor. | |
649 | */ | |
650 | skbdesc->desc = txd; | |
651 | skbdesc->desc_len = TXD_DESC_SIZE; | |
a9b3a9f7 ID |
652 | } |
653 | ||
a9b3a9f7 ID |
654 | /* |
655 | * RX control handlers | |
656 | */ | |
657 | static void rt2800pci_fill_rxdone(struct queue_entry *entry, | |
658 | struct rxdone_entry_desc *rxdesc) | |
659 | { | |
a9b3a9f7 ID |
660 | struct queue_entry_priv_pci *entry_priv = entry->priv_data; |
661 | __le32 *rxd = entry_priv->desc; | |
2de64dd2 GW |
662 | u32 word; |
663 | ||
664 | rt2x00_desc_read(rxd, 3, &word); | |
665 | ||
666 | if (rt2x00_get_field32(word, RXD_W3_CRC_ERROR)) | |
a9b3a9f7 ID |
667 | rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC; |
668 | ||
78b8f3b0 GW |
669 | /* |
670 | * Unfortunately we don't know the cipher type used during | |
671 | * decryption. This prevents us from correct providing | |
672 | * correct statistics through debugfs. | |
673 | */ | |
2de64dd2 | 674 | rxdesc->cipher_status = rt2x00_get_field32(word, RXD_W3_CIPHER_ERROR); |
a9b3a9f7 | 675 | |
2de64dd2 | 676 | if (rt2x00_get_field32(word, RXD_W3_DECRYPTED)) { |
a9b3a9f7 ID |
677 | /* |
678 | * Hardware has stripped IV/EIV data from 802.11 frame during | |
679 | * decryption. Unfortunately the descriptor doesn't contain | |
680 | * any fields with the EIV/IV data either, so they can't | |
681 | * be restored by rt2x00lib. | |
682 | */ | |
683 | rxdesc->flags |= RX_FLAG_IV_STRIPPED; | |
684 | ||
a45f369d GW |
685 | /* |
686 | * The hardware has already checked the Michael Mic and has | |
687 | * stripped it from the frame. Signal this to mac80211. | |
688 | */ | |
689 | rxdesc->flags |= RX_FLAG_MMIC_STRIPPED; | |
690 | ||
a9b3a9f7 ID |
691 | if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS) |
692 | rxdesc->flags |= RX_FLAG_DECRYPTED; | |
693 | else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC) | |
694 | rxdesc->flags |= RX_FLAG_MMIC_ERROR; | |
695 | } | |
696 | ||
2de64dd2 | 697 | if (rt2x00_get_field32(word, RXD_W3_MY_BSS)) |
a9b3a9f7 ID |
698 | rxdesc->dev_flags |= RXDONE_MY_BSS; |
699 | ||
2de64dd2 | 700 | if (rt2x00_get_field32(word, RXD_W3_L2PAD)) |
a9b3a9f7 | 701 | rxdesc->dev_flags |= RXDONE_L2PAD; |
a9b3a9f7 | 702 | |
a9b3a9f7 | 703 | /* |
2de64dd2 | 704 | * Process the RXWI structure that is at the start of the buffer. |
a9b3a9f7 | 705 | */ |
74861922 | 706 | rt2800_process_rxwi(entry, rxdesc); |
a9b3a9f7 ID |
707 | } |
708 | ||
709 | /* | |
710 | * Interrupt functions. | |
711 | */ | |
4d66edc8 GW |
712 | static void rt2800pci_wakeup(struct rt2x00_dev *rt2x00dev) |
713 | { | |
714 | struct ieee80211_conf conf = { .flags = 0 }; | |
715 | struct rt2x00lib_conf libconf = { .conf = &conf }; | |
716 | ||
717 | rt2800_config(rt2x00dev, &libconf, IEEE80211_CONF_CHANGE_PS); | |
718 | } | |
719 | ||
2e7798b7 | 720 | static bool rt2800pci_txdone(struct rt2x00_dev *rt2x00dev) |
96c3da7d HS |
721 | { |
722 | struct data_queue *queue; | |
723 | struct queue_entry *entry; | |
724 | u32 status; | |
725 | u8 qid; | |
2e7798b7 | 726 | int max_tx_done = 16; |
96c3da7d | 727 | |
c4d63244 | 728 | while (kfifo_get(&rt2x00dev->txstatus_fifo, &status)) { |
12eec2cc | 729 | qid = rt2x00_get_field32(status, TX_STA_FIFO_PID_QUEUE); |
87443e87 | 730 | if (unlikely(qid >= QID_RX)) { |
96c3da7d HS |
731 | /* |
732 | * Unknown queue, this shouldn't happen. Just drop | |
733 | * this tx status. | |
734 | */ | |
735 | WARNING(rt2x00dev, "Got TX status report with " | |
094a1d92 | 736 | "unexpected pid %u, dropping\n", qid); |
96c3da7d HS |
737 | break; |
738 | } | |
739 | ||
11f818e0 | 740 | queue = rt2x00queue_get_tx_queue(rt2x00dev, qid); |
96c3da7d HS |
741 | if (unlikely(queue == NULL)) { |
742 | /* | |
743 | * The queue is NULL, this shouldn't happen. Stop | |
744 | * processing here and drop the tx status | |
745 | */ | |
746 | WARNING(rt2x00dev, "Got TX status for an unavailable " | |
094a1d92 | 747 | "queue %u, dropping\n", qid); |
96c3da7d HS |
748 | break; |
749 | } | |
750 | ||
87443e87 | 751 | if (unlikely(rt2x00queue_empty(queue))) { |
96c3da7d HS |
752 | /* |
753 | * The queue is empty. Stop processing here | |
754 | * and drop the tx status. | |
755 | */ | |
756 | WARNING(rt2x00dev, "Got TX status for an empty " | |
094a1d92 | 757 | "queue %u, dropping\n", qid); |
96c3da7d HS |
758 | break; |
759 | } | |
760 | ||
761 | entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE); | |
762 | rt2800_txdone_entry(entry, status); | |
2e7798b7 HS |
763 | |
764 | if (--max_tx_done == 0) | |
765 | break; | |
96c3da7d | 766 | } |
2e7798b7 HS |
767 | |
768 | return !max_tx_done; | |
96c3da7d HS |
769 | } |
770 | ||
7a5a681a HS |
771 | static inline void rt2800pci_enable_interrupt(struct rt2x00_dev *rt2x00dev, |
772 | struct rt2x00_field32 irq_field) | |
a9b3a9f7 | 773 | { |
a9d61e9e | 774 | u32 reg; |
a9b3a9f7 ID |
775 | |
776 | /* | |
a9d61e9e HS |
777 | * Enable a single interrupt. The interrupt mask register |
778 | * access needs locking. | |
9f926fb5 | 779 | */ |
0aa13b2e | 780 | spin_lock_irq(&rt2x00dev->irqmask_lock); |
a9d61e9e HS |
781 | rt2800_register_read(rt2x00dev, INT_MASK_CSR, ®); |
782 | rt2x00_set_field32(®, irq_field, 1); | |
783 | rt2800_register_write(rt2x00dev, INT_MASK_CSR, reg); | |
0aa13b2e | 784 | spin_unlock_irq(&rt2x00dev->irqmask_lock); |
a9d61e9e | 785 | } |
9f926fb5 | 786 | |
a9d61e9e HS |
787 | static void rt2800pci_txstatus_tasklet(unsigned long data) |
788 | { | |
2e7798b7 HS |
789 | struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data; |
790 | if (rt2800pci_txdone(rt2x00dev)) | |
791 | tasklet_schedule(&rt2x00dev->txstatus_tasklet); | |
9f926fb5 HS |
792 | |
793 | /* | |
a9d61e9e HS |
794 | * No need to enable the tx status interrupt here as we always |
795 | * leave it enabled to minimize the possibility of a tx status | |
796 | * register overflow. See comment in interrupt handler. | |
a9b3a9f7 | 797 | */ |
a9d61e9e | 798 | } |
a9b3a9f7 | 799 | |
a9d61e9e HS |
800 | static void rt2800pci_pretbtt_tasklet(unsigned long data) |
801 | { | |
802 | struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data; | |
803 | rt2x00lib_pretbtt(rt2x00dev); | |
804 | rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_PRE_TBTT); | |
805 | } | |
4d66edc8 | 806 | |
a9d61e9e HS |
807 | static void rt2800pci_tbtt_tasklet(unsigned long data) |
808 | { | |
809 | struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data; | |
810 | rt2x00lib_beacondone(rt2x00dev); | |
811 | rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_TBTT); | |
812 | } | |
78e256c9 | 813 | |
a9d61e9e HS |
814 | static void rt2800pci_rxdone_tasklet(unsigned long data) |
815 | { | |
816 | struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data; | |
16638937 HS |
817 | if (rt2x00pci_rxdone(rt2x00dev)) |
818 | tasklet_schedule(&rt2x00dev->rxdone_tasklet); | |
819 | else | |
820 | rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_RX_DONE); | |
a9d61e9e HS |
821 | } |
822 | ||
823 | static void rt2800pci_autowake_tasklet(unsigned long data) | |
824 | { | |
825 | struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data; | |
826 | rt2800pci_wakeup(rt2x00dev); | |
827 | rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_AUTO_WAKEUP); | |
a9b3a9f7 ID |
828 | } |
829 | ||
96c3da7d HS |
830 | static void rt2800pci_txstatus_interrupt(struct rt2x00_dev *rt2x00dev) |
831 | { | |
832 | u32 status; | |
833 | int i; | |
834 | ||
835 | /* | |
836 | * The TX_FIFO_STATUS interrupt needs special care. We should | |
837 | * read TX_STA_FIFO but we should do it immediately as otherwise | |
838 | * the register can overflow and we would lose status reports. | |
839 | * | |
840 | * Hence, read the TX_STA_FIFO register and copy all tx status | |
841 | * reports into a kernel FIFO which is handled in the txstatus | |
842 | * tasklet. We use a tasklet to process the tx status reports | |
843 | * because we can schedule the tasklet multiple times (when the | |
844 | * interrupt fires again during tx status processing). | |
845 | * | |
846 | * Furthermore we don't disable the TX_FIFO_STATUS | |
847 | * interrupt here but leave it enabled so that the TX_STA_FIFO | |
3736fe58 | 848 | * can also be read while the tx status tasklet gets executed. |
96c3da7d HS |
849 | * |
850 | * Since we have only one producer and one consumer we don't | |
851 | * need to lock the kfifo. | |
852 | */ | |
efd2f271 | 853 | for (i = 0; i < rt2x00dev->ops->tx->entry_num; i++) { |
96c3da7d HS |
854 | rt2800_register_read(rt2x00dev, TX_STA_FIFO, &status); |
855 | ||
856 | if (!rt2x00_get_field32(status, TX_STA_FIFO_VALID)) | |
857 | break; | |
858 | ||
c4d63244 | 859 | if (!kfifo_put(&rt2x00dev->txstatus_fifo, &status)) { |
96c3da7d HS |
860 | WARNING(rt2x00dev, "TX status FIFO overrun," |
861 | "drop tx status report.\n"); | |
862 | break; | |
863 | } | |
864 | } | |
865 | ||
866 | /* Schedule the tasklet for processing the tx status. */ | |
867 | tasklet_schedule(&rt2x00dev->txstatus_tasklet); | |
868 | } | |
869 | ||
78e256c9 HS |
870 | static irqreturn_t rt2800pci_interrupt(int irq, void *dev_instance) |
871 | { | |
872 | struct rt2x00_dev *rt2x00dev = dev_instance; | |
a9d61e9e | 873 | u32 reg, mask; |
78e256c9 HS |
874 | |
875 | /* Read status and ACK all interrupts */ | |
876 | rt2800_register_read(rt2x00dev, INT_SOURCE_CSR, ®); | |
877 | rt2800_register_write(rt2x00dev, INT_SOURCE_CSR, reg); | |
878 | ||
879 | if (!reg) | |
880 | return IRQ_NONE; | |
881 | ||
882 | if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) | |
883 | return IRQ_HANDLED; | |
884 | ||
a9d61e9e HS |
885 | /* |
886 | * Since INT_MASK_CSR and INT_SOURCE_CSR use the same bits | |
887 | * for interrupts and interrupt masks we can just use the value of | |
888 | * INT_SOURCE_CSR to create the interrupt mask. | |
889 | */ | |
890 | mask = ~reg; | |
78e256c9 | 891 | |
a9d61e9e HS |
892 | if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TX_FIFO_STATUS)) { |
893 | rt2800pci_txstatus_interrupt(rt2x00dev); | |
96c3da7d | 894 | /* |
a9d61e9e | 895 | * Never disable the TX_FIFO_STATUS interrupt. |
96c3da7d | 896 | */ |
a9d61e9e HS |
897 | rt2x00_set_field32(&mask, INT_MASK_CSR_TX_FIFO_STATUS, 1); |
898 | } | |
96c3da7d | 899 | |
a9d61e9e HS |
900 | if (rt2x00_get_field32(reg, INT_SOURCE_CSR_PRE_TBTT)) |
901 | tasklet_hi_schedule(&rt2x00dev->pretbtt_tasklet); | |
78e256c9 | 902 | |
a9d61e9e HS |
903 | if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TBTT)) |
904 | tasklet_hi_schedule(&rt2x00dev->tbtt_tasklet); | |
96c3da7d | 905 | |
a9d61e9e HS |
906 | if (rt2x00_get_field32(reg, INT_SOURCE_CSR_RX_DONE)) |
907 | tasklet_schedule(&rt2x00dev->rxdone_tasklet); | |
78e256c9 | 908 | |
a9d61e9e HS |
909 | if (rt2x00_get_field32(reg, INT_SOURCE_CSR_AUTO_WAKEUP)) |
910 | tasklet_schedule(&rt2x00dev->autowake_tasklet); | |
911 | ||
912 | /* | |
913 | * Disable all interrupts for which a tasklet was scheduled right now, | |
914 | * the tasklet will reenable the appropriate interrupts. | |
915 | */ | |
0aa13b2e | 916 | spin_lock(&rt2x00dev->irqmask_lock); |
a9d61e9e HS |
917 | rt2800_register_read(rt2x00dev, INT_MASK_CSR, ®); |
918 | reg &= mask; | |
919 | rt2800_register_write(rt2x00dev, INT_MASK_CSR, reg); | |
0aa13b2e | 920 | spin_unlock(&rt2x00dev->irqmask_lock); |
a9d61e9e HS |
921 | |
922 | return IRQ_HANDLED; | |
78e256c9 HS |
923 | } |
924 | ||
a9b3a9f7 ID |
925 | /* |
926 | * Device probe functions. | |
927 | */ | |
7ab71325 BZ |
928 | static int rt2800pci_validate_eeprom(struct rt2x00_dev *rt2x00dev) |
929 | { | |
930 | /* | |
931 | * Read EEPROM into buffer | |
932 | */ | |
cea90e55 | 933 | if (rt2x00_is_soc(rt2x00dev)) |
7ab71325 | 934 | rt2800pci_read_eeprom_soc(rt2x00dev); |
cea90e55 GW |
935 | else if (rt2800pci_efuse_detect(rt2x00dev)) |
936 | rt2800pci_read_eeprom_efuse(rt2x00dev); | |
937 | else | |
938 | rt2800pci_read_eeprom_pci(rt2x00dev); | |
7ab71325 BZ |
939 | |
940 | return rt2800_validate_eeprom(rt2x00dev); | |
941 | } | |
942 | ||
a9b3a9f7 ID |
943 | static int rt2800pci_probe_hw(struct rt2x00_dev *rt2x00dev) |
944 | { | |
945 | int retval; | |
946 | ||
947 | /* | |
948 | * Allocate eeprom data. | |
949 | */ | |
950 | retval = rt2800pci_validate_eeprom(rt2x00dev); | |
951 | if (retval) | |
952 | return retval; | |
953 | ||
38bd7b8a | 954 | retval = rt2800_init_eeprom(rt2x00dev); |
a9b3a9f7 ID |
955 | if (retval) |
956 | return retval; | |
957 | ||
958 | /* | |
959 | * Initialize hw specifications. | |
960 | */ | |
4da2933f | 961 | retval = rt2800_probe_hw_mode(rt2x00dev); |
a9b3a9f7 ID |
962 | if (retval) |
963 | return retval; | |
964 | ||
965 | /* | |
966 | * This device has multiple filters for control frames | |
967 | * and has a separate filter for PS Poll frames. | |
968 | */ | |
7dab73b3 ID |
969 | __set_bit(CAPABILITY_CONTROL_FILTERS, &rt2x00dev->cap_flags); |
970 | __set_bit(CAPABILITY_CONTROL_FILTER_PSPOLL, &rt2x00dev->cap_flags); | |
a9b3a9f7 | 971 | |
9f926fb5 HS |
972 | /* |
973 | * This device has a pre tbtt interrupt and thus fetches | |
974 | * a new beacon directly prior to transmission. | |
975 | */ | |
7dab73b3 | 976 | __set_bit(CAPABILITY_PRE_TBTT_INTERRUPT, &rt2x00dev->cap_flags); |
9f926fb5 | 977 | |
a9b3a9f7 ID |
978 | /* |
979 | * This device requires firmware. | |
980 | */ | |
cea90e55 | 981 | if (!rt2x00_is_soc(rt2x00dev)) |
7dab73b3 ID |
982 | __set_bit(REQUIRE_FIRMWARE, &rt2x00dev->cap_flags); |
983 | __set_bit(REQUIRE_DMA, &rt2x00dev->cap_flags); | |
984 | __set_bit(REQUIRE_L2PAD, &rt2x00dev->cap_flags); | |
985 | __set_bit(REQUIRE_TXSTATUS_FIFO, &rt2x00dev->cap_flags); | |
986 | __set_bit(REQUIRE_TASKLET_CONTEXT, &rt2x00dev->cap_flags); | |
a9b3a9f7 | 987 | if (!modparam_nohwcrypt) |
7dab73b3 ID |
988 | __set_bit(CAPABILITY_HW_CRYPTO, &rt2x00dev->cap_flags); |
989 | __set_bit(CAPABILITY_LINK_TUNING, &rt2x00dev->cap_flags); | |
990 | __set_bit(REQUIRE_HT_TX_DESC, &rt2x00dev->cap_flags); | |
a9b3a9f7 ID |
991 | |
992 | /* | |
993 | * Set the rssi offset. | |
994 | */ | |
995 | rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET; | |
996 | ||
997 | return 0; | |
998 | } | |
999 | ||
e783619e HS |
1000 | static const struct ieee80211_ops rt2800pci_mac80211_ops = { |
1001 | .tx = rt2x00mac_tx, | |
1002 | .start = rt2x00mac_start, | |
1003 | .stop = rt2x00mac_stop, | |
1004 | .add_interface = rt2x00mac_add_interface, | |
1005 | .remove_interface = rt2x00mac_remove_interface, | |
1006 | .config = rt2x00mac_config, | |
1007 | .configure_filter = rt2x00mac_configure_filter, | |
e783619e HS |
1008 | .set_key = rt2x00mac_set_key, |
1009 | .sw_scan_start = rt2x00mac_sw_scan_start, | |
1010 | .sw_scan_complete = rt2x00mac_sw_scan_complete, | |
1011 | .get_stats = rt2x00mac_get_stats, | |
1012 | .get_tkip_seq = rt2800_get_tkip_seq, | |
1013 | .set_rts_threshold = rt2800_set_rts_threshold, | |
1014 | .bss_info_changed = rt2x00mac_bss_info_changed, | |
1015 | .conf_tx = rt2800_conf_tx, | |
1016 | .get_tsf = rt2800_get_tsf, | |
1017 | .rfkill_poll = rt2x00mac_rfkill_poll, | |
1018 | .ampdu_action = rt2800_ampdu_action, | |
f44df18c | 1019 | .flush = rt2x00mac_flush, |
977206d7 | 1020 | .get_survey = rt2800_get_survey, |
e783619e HS |
1021 | }; |
1022 | ||
e796643e ID |
1023 | static const struct rt2800_ops rt2800pci_rt2800_ops = { |
1024 | .register_read = rt2x00pci_register_read, | |
1025 | .register_read_lock = rt2x00pci_register_read, /* same for PCI */ | |
1026 | .register_write = rt2x00pci_register_write, | |
1027 | .register_write_lock = rt2x00pci_register_write, /* same for PCI */ | |
1028 | .register_multiread = rt2x00pci_register_multiread, | |
1029 | .register_multiwrite = rt2x00pci_register_multiwrite, | |
1030 | .regbusy_read = rt2x00pci_regbusy_read, | |
1031 | .drv_write_firmware = rt2800pci_write_firmware, | |
1032 | .drv_init_registers = rt2800pci_init_registers, | |
0c5879bc | 1033 | .drv_get_txwi = rt2800pci_get_txwi, |
e796643e ID |
1034 | }; |
1035 | ||
a9b3a9f7 ID |
1036 | static const struct rt2x00lib_ops rt2800pci_rt2x00_ops = { |
1037 | .irq_handler = rt2800pci_interrupt, | |
a9d61e9e HS |
1038 | .txstatus_tasklet = rt2800pci_txstatus_tasklet, |
1039 | .pretbtt_tasklet = rt2800pci_pretbtt_tasklet, | |
1040 | .tbtt_tasklet = rt2800pci_tbtt_tasklet, | |
1041 | .rxdone_tasklet = rt2800pci_rxdone_tasklet, | |
1042 | .autowake_tasklet = rt2800pci_autowake_tasklet, | |
a9b3a9f7 ID |
1043 | .probe_hw = rt2800pci_probe_hw, |
1044 | .get_firmware_name = rt2800pci_get_firmware_name, | |
f31c9a8c ID |
1045 | .check_firmware = rt2800_check_firmware, |
1046 | .load_firmware = rt2800_load_firmware, | |
a9b3a9f7 ID |
1047 | .initialize = rt2x00pci_initialize, |
1048 | .uninitialize = rt2x00pci_uninitialize, | |
1049 | .get_entry_state = rt2800pci_get_entry_state, | |
1050 | .clear_entry = rt2800pci_clear_entry, | |
1051 | .set_device_state = rt2800pci_set_device_state, | |
f4450616 BZ |
1052 | .rfkill_poll = rt2800_rfkill_poll, |
1053 | .link_stats = rt2800_link_stats, | |
1054 | .reset_tuner = rt2800_reset_tuner, | |
1055 | .link_tuner = rt2800_link_tuner, | |
9e33a355 | 1056 | .gain_calibration = rt2800_gain_calibration, |
dbba306f ID |
1057 | .start_queue = rt2800pci_start_queue, |
1058 | .kick_queue = rt2800pci_kick_queue, | |
1059 | .stop_queue = rt2800pci_stop_queue, | |
152a5992 | 1060 | .flush_queue = rt2x00pci_flush_queue, |
a9b3a9f7 | 1061 | .write_tx_desc = rt2800pci_write_tx_desc, |
0c5879bc | 1062 | .write_tx_data = rt2800_write_tx_data, |
f0194b2d | 1063 | .write_beacon = rt2800_write_beacon, |
69cf36a4 | 1064 | .clear_beacon = rt2800_clear_beacon, |
a9b3a9f7 | 1065 | .fill_rxdone = rt2800pci_fill_rxdone, |
f4450616 BZ |
1066 | .config_shared_key = rt2800_config_shared_key, |
1067 | .config_pairwise_key = rt2800_config_pairwise_key, | |
1068 | .config_filter = rt2800_config_filter, | |
1069 | .config_intf = rt2800_config_intf, | |
1070 | .config_erp = rt2800_config_erp, | |
1071 | .config_ant = rt2800_config_ant, | |
1072 | .config = rt2800_config, | |
a9b3a9f7 ID |
1073 | }; |
1074 | ||
1075 | static const struct data_queue_desc rt2800pci_queue_rx = { | |
efd2f271 | 1076 | .entry_num = 128, |
a9b3a9f7 ID |
1077 | .data_size = AGGREGATION_SIZE, |
1078 | .desc_size = RXD_DESC_SIZE, | |
1079 | .priv_size = sizeof(struct queue_entry_priv_pci), | |
1080 | }; | |
1081 | ||
1082 | static const struct data_queue_desc rt2800pci_queue_tx = { | |
efd2f271 | 1083 | .entry_num = 64, |
a9b3a9f7 ID |
1084 | .data_size = AGGREGATION_SIZE, |
1085 | .desc_size = TXD_DESC_SIZE, | |
1086 | .priv_size = sizeof(struct queue_entry_priv_pci), | |
1087 | }; | |
1088 | ||
1089 | static const struct data_queue_desc rt2800pci_queue_bcn = { | |
efd2f271 | 1090 | .entry_num = 8, |
a9b3a9f7 ID |
1091 | .data_size = 0, /* No DMA required for beacons */ |
1092 | .desc_size = TXWI_DESC_SIZE, | |
1093 | .priv_size = sizeof(struct queue_entry_priv_pci), | |
1094 | }; | |
1095 | ||
1096 | static const struct rt2x00_ops rt2800pci_ops = { | |
04d0362e GW |
1097 | .name = KBUILD_MODNAME, |
1098 | .max_sta_intf = 1, | |
1099 | .max_ap_intf = 8, | |
1100 | .eeprom_size = EEPROM_SIZE, | |
1101 | .rf_size = RF_SIZE, | |
1102 | .tx_queues = NUM_TX_QUEUES, | |
e6218cc4 | 1103 | .extra_tx_headroom = TXWI_DESC_SIZE, |
04d0362e GW |
1104 | .rx = &rt2800pci_queue_rx, |
1105 | .tx = &rt2800pci_queue_tx, | |
1106 | .bcn = &rt2800pci_queue_bcn, | |
1107 | .lib = &rt2800pci_rt2x00_ops, | |
e796643e | 1108 | .drv = &rt2800pci_rt2800_ops, |
e783619e | 1109 | .hw = &rt2800pci_mac80211_ops, |
a9b3a9f7 | 1110 | #ifdef CONFIG_RT2X00_LIB_DEBUGFS |
04d0362e | 1111 | .debugfs = &rt2800_rt2x00debug, |
a9b3a9f7 ID |
1112 | #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ |
1113 | }; | |
1114 | ||
1115 | /* | |
1116 | * RT2800pci module information. | |
1117 | */ | |
72c7296e | 1118 | #ifdef CONFIG_PCI |
a3aa1884 | 1119 | static DEFINE_PCI_DEVICE_TABLE(rt2800pci_device_table) = { |
de1ebdce GW |
1120 | { PCI_DEVICE(0x1814, 0x0601), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
1121 | { PCI_DEVICE(0x1814, 0x0681), PCI_DEVICE_DATA(&rt2800pci_ops) }, | |
1122 | { PCI_DEVICE(0x1814, 0x0701), PCI_DEVICE_DATA(&rt2800pci_ops) }, | |
1123 | { PCI_DEVICE(0x1814, 0x0781), PCI_DEVICE_DATA(&rt2800pci_ops) }, | |
a6a8d66e GW |
1124 | { PCI_DEVICE(0x1814, 0x3090), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
1125 | { PCI_DEVICE(0x1814, 0x3091), PCI_DEVICE_DATA(&rt2800pci_ops) }, | |
1126 | { PCI_DEVICE(0x1814, 0x3092), PCI_DEVICE_DATA(&rt2800pci_ops) }, | |
a9b3a9f7 ID |
1127 | { PCI_DEVICE(0x1432, 0x7708), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
1128 | { PCI_DEVICE(0x1432, 0x7727), PCI_DEVICE_DATA(&rt2800pci_ops) }, | |
1129 | { PCI_DEVICE(0x1432, 0x7728), PCI_DEVICE_DATA(&rt2800pci_ops) }, | |
1130 | { PCI_DEVICE(0x1432, 0x7738), PCI_DEVICE_DATA(&rt2800pci_ops) }, | |
1131 | { PCI_DEVICE(0x1432, 0x7748), PCI_DEVICE_DATA(&rt2800pci_ops) }, | |
1132 | { PCI_DEVICE(0x1432, 0x7758), PCI_DEVICE_DATA(&rt2800pci_ops) }, | |
1133 | { PCI_DEVICE(0x1432, 0x7768), PCI_DEVICE_DATA(&rt2800pci_ops) }, | |
de1ebdce | 1134 | { PCI_DEVICE(0x1462, 0x891a), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
a6a8d66e | 1135 | { PCI_DEVICE(0x1a3b, 0x1059), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
f93bc9b3 GW |
1136 | #ifdef CONFIG_RT2800PCI_RT33XX |
1137 | { PCI_DEVICE(0x1814, 0x3390), PCI_DEVICE_DATA(&rt2800pci_ops) }, | |
1138 | #endif | |
de1ebdce | 1139 | #ifdef CONFIG_RT2800PCI_RT35XX |
00781a74 XVP |
1140 | { PCI_DEVICE(0x1432, 0x7711), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
1141 | { PCI_DEVICE(0x1432, 0x7722), PCI_DEVICE_DATA(&rt2800pci_ops) }, | |
de1ebdce GW |
1142 | { PCI_DEVICE(0x1814, 0x3060), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
1143 | { PCI_DEVICE(0x1814, 0x3062), PCI_DEVICE_DATA(&rt2800pci_ops) }, | |
a9b3a9f7 ID |
1144 | { PCI_DEVICE(0x1814, 0x3562), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
1145 | { PCI_DEVICE(0x1814, 0x3592), PCI_DEVICE_DATA(&rt2800pci_ops) }, | |
6424bf70 | 1146 | { PCI_DEVICE(0x1814, 0x3593), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
60687ba7 RST |
1147 | #endif |
1148 | #ifdef CONFIG_RT2800PCI_RT53XX | |
adde5882 | 1149 | { PCI_DEVICE(0x1814, 0x5390), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
de1ebdce | 1150 | #endif |
a9b3a9f7 ID |
1151 | { 0, } |
1152 | }; | |
72c7296e | 1153 | #endif /* CONFIG_PCI */ |
a9b3a9f7 ID |
1154 | |
1155 | MODULE_AUTHOR(DRV_PROJECT); | |
1156 | MODULE_VERSION(DRV_VERSION); | |
1157 | MODULE_DESCRIPTION("Ralink RT2800 PCI & PCMCIA Wireless LAN driver."); | |
1158 | MODULE_SUPPORTED_DEVICE("Ralink RT2860 PCI & PCMCIA chipset based cards"); | |
72c7296e | 1159 | #ifdef CONFIG_PCI |
a9b3a9f7 ID |
1160 | MODULE_FIRMWARE(FIRMWARE_RT2860); |
1161 | MODULE_DEVICE_TABLE(pci, rt2800pci_device_table); | |
72c7296e | 1162 | #endif /* CONFIG_PCI */ |
a9b3a9f7 ID |
1163 | MODULE_LICENSE("GPL"); |
1164 | ||
72c7296e | 1165 | #if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X) |
714fa663 GW |
1166 | static int rt2800soc_probe(struct platform_device *pdev) |
1167 | { | |
6e93d719 | 1168 | return rt2x00soc_probe(pdev, &rt2800pci_ops); |
714fa663 | 1169 | } |
a9b3a9f7 ID |
1170 | |
1171 | static struct platform_driver rt2800soc_driver = { | |
1172 | .driver = { | |
1173 | .name = "rt2800_wmac", | |
1174 | .owner = THIS_MODULE, | |
1175 | .mod_name = KBUILD_MODNAME, | |
1176 | }, | |
714fa663 | 1177 | .probe = rt2800soc_probe, |
a9b3a9f7 ID |
1178 | .remove = __devexit_p(rt2x00soc_remove), |
1179 | .suspend = rt2x00soc_suspend, | |
1180 | .resume = rt2x00soc_resume, | |
1181 | }; | |
72c7296e | 1182 | #endif /* CONFIG_RALINK_RT288X || CONFIG_RALINK_RT305X */ |
a9b3a9f7 | 1183 | |
72c7296e | 1184 | #ifdef CONFIG_PCI |
a9b3a9f7 ID |
1185 | static struct pci_driver rt2800pci_driver = { |
1186 | .name = KBUILD_MODNAME, | |
1187 | .id_table = rt2800pci_device_table, | |
1188 | .probe = rt2x00pci_probe, | |
1189 | .remove = __devexit_p(rt2x00pci_remove), | |
1190 | .suspend = rt2x00pci_suspend, | |
1191 | .resume = rt2x00pci_resume, | |
1192 | }; | |
72c7296e | 1193 | #endif /* CONFIG_PCI */ |
a9b3a9f7 ID |
1194 | |
1195 | static int __init rt2800pci_init(void) | |
1196 | { | |
1197 | int ret = 0; | |
1198 | ||
72c7296e | 1199 | #if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X) |
a9b3a9f7 ID |
1200 | ret = platform_driver_register(&rt2800soc_driver); |
1201 | if (ret) | |
1202 | return ret; | |
1203 | #endif | |
72c7296e | 1204 | #ifdef CONFIG_PCI |
a9b3a9f7 ID |
1205 | ret = pci_register_driver(&rt2800pci_driver); |
1206 | if (ret) { | |
72c7296e | 1207 | #if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X) |
a9b3a9f7 ID |
1208 | platform_driver_unregister(&rt2800soc_driver); |
1209 | #endif | |
1210 | return ret; | |
1211 | } | |
1212 | #endif | |
1213 | ||
1214 | return ret; | |
1215 | } | |
1216 | ||
1217 | static void __exit rt2800pci_exit(void) | |
1218 | { | |
72c7296e | 1219 | #ifdef CONFIG_PCI |
a9b3a9f7 ID |
1220 | pci_unregister_driver(&rt2800pci_driver); |
1221 | #endif | |
72c7296e | 1222 | #if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X) |
a9b3a9f7 ID |
1223 | platform_driver_unregister(&rt2800soc_driver); |
1224 | #endif | |
1225 | } | |
1226 | ||
1227 | module_init(rt2800pci_init); | |
1228 | module_exit(rt2800pci_exit); |